Standby control device and air conditioner

Mode of execution

To make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme of the utility model will be clearly and completely described below in connection with the specific embodiments of the utility model and the corresponding drawings. It is obvious that the described embodiments are only part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present disclosure, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present disclosure.

To the embodiment of the utility model, a standby control device is provided. To 1, a schematic view of one embodiment of an apparatus of the present invention is shown. The standby control device may include an acquisition unit and a control unit. For example, the acquisition unit may be a temperature sensor provided at the outdoor unit.

, The acquisition unit can be arranged at the outdoor unit of the air conditioner and can be used for collecting the outdoor environment temperature of the environment where the air conditioner is located.

, When the air conditioner receives the shutdown instruction, the control unit can determine the relationship between the collected outdoor environment temperature and the set temperature range; and the outdoor unit of the air conditioner is in standby control according to the collected outdoor environment temperature and the set temperature range.

For example, by adjusting the control logic of the air conditioner according to different external environments, the reliability of the air conditioner standby condition and the standby power can be further improved. When the air conditioner is in the low power consumption standby state, the external environment temperature is judged, the air conditioning system is determined to be operated by the external environment temperature, and the reliability of starting operation of the system is protected under the condition that low power consumption standby is met. Thus, the influence of the ambient temperature on the outdoor unit of the air conditioner is fully considered, and the low-power-consumption standby mode is changed according to the external environment temperature.

, When the air conditioner receives the shutdown instruction, the outdoor unit of the air conditioner is subjected to standby control according to the relationship between the acquired outdoor environment temperature and the set temperature range to realize low power consumption standby control under the condition of ensuring the reliability of the outdoor unit of the air conditioner.

In an alternative example, the control unit may include an outdoor unit controller module, an outdoor unit first power supply branch, and an outdoor unit second power supply branch.

, The outdoor unit first power supply branch is arranged between the live wire of the AC power supply and the outdoor unit controller module, and can be used for controlling the connection or disconnection between the live wire of the AC power supply and the outdoor unit control module according first control modes.

, The outdoor unit second is provided with a power supply branch and is also arranged between the live wire of the AC power supply and the outdoor unit controller module, namely parallel to the outdoor unit first power supply branch and used for controlling the connection or disconnection between the live wire of the AC power supply and the outdoor unit control module according second control modes. The first control mode and second control mode may be preset control modes, or may be implemented under the control of the outdoor unit controller module.

The outdoor unit controller module may be provided with a switching power supply and an outdoor unit controller. The first When the DC bus voltage of the power supply of the air conditioner reaches the set voltage and the outdoor unit first supplies the DC bus voltage of the power supply of the air conditioner to the set voltage, the control mode may control the power supply branch of the outdoor unit second to be turned on, first second 2nd.

For example, the outdoor unit relay K is turned on after the external unit switching power supply has electricity.₂ After the voltage to be direct current bus reaches a certain voltage, the relay K is turned on.₃ Re-cut-off relay K₂ Because K is turned on directly after the switching power supply has electricity₃ , The impact current is too large to damage the switching power supply, and the relay K is turned on first.₂ R is due to R R_PTC Resistor buffer action, after being stabilized, re-conducting K₃ R is protected from both the switching power supply and the switching power supply._PTC Resistance to power loss.

The outdoor unit first is connected with the power supply branch of the outdoor unit second the outdoor unit first is controlled to be switched on after the DC bus voltage is stabilized, the power supply branch of the outdoor unit second is controlled to be disconnected, and the charging safety of first the outdoor unit and the standby reliability of low power consumption are ensured.

Alternatively, first outdoor control switch and temperature acquisition module can be arranged on the power supply branch of the outdoor unit first and the temperature acquisition module can be used for acquiring the outdoor environment temperature of the environment where the air conditioner is located. For example, first outdoor control switch may be a relay K.₂ The temperature acquisition module may be a thermistor R._PTC .

The outdoor unit second may be provided with second outdoor control switches. For example, second outdoor control switch may be a relay K.₃ The relay corresponds to the function of a switch, and the power of the controller is cut off.

, Through arranging first outdoor control switch and temperature acquisition module on outdoor unit first power supply branch, can realize reliable charging, set up second outdoor control switch on outdoor unit second power supply branch, can realize low power consumption control after the charge is stable, reliable and safety.

Alternatively, in a case where the control unit may include, the control unit performs standby control on the outdoor unit of the air conditioner, and may include the following three control situations.

1st: If the collected outdoor environment temperature is greater than the upper limit of the set temperature range, the outdoor unit second is controlled to disconnect the power supply branch after the air conditioner receives the set time of the shutdown command. For example, when a shutdown instruction is received by the air conditioner, the low-power standby mode judging logic is entered, and when T is turned off._{External environment temperature} >T₁ When the external unit receives the shutdown command N minutes, the relay K is cut off.₃ Due to the external environment temperature T at this time_{External environment temperature} Greater T₁ , The requirements of the chassis electric heating belt and the compressor electromechanical heating belt are not required to be opened at this time, so that the relay K is cut off directly.₃ There is no influence on the external unit.

2nd: If the collected outdoor environment temperature is greater than the lower limit of the set temperature range, and is less than or equal to the upper limit of the set temperature range, the outdoor unit second is controlled to remain switched on after the air conditioner receives the set time of the shutdown command. For example, when a shutdown instruction is received by the air conditioner, the low-power standby mode judging logic is entered, and when T is turned off.₂ _AOMARKENCODTX0AO_T_{External environment temperature} _AOMARKENCODELTA AO_ ＝ T₁ When the external unit receives the shutdown command N minutes, the relay K is used.₃ Is not done. The external environment temperature interval is in T at this time₂ T-T₁ Between the chassis electric heating belt and the compressor electromechanical heating belt needs to be opened between the outdoor unit and the outdoor unit, so that the relay K is not used at this time.₃ Is made.

3rd: If the collected outdoor environment temperature is less than or equal to the lower limit of the set temperature range, the power supply branch of the outdoor unit second is controlled to remain switched on after the air conditioner receives the set time of the shutdown command. For example, when a shutdown instruction is received by the air conditioner, the low-power standby mode judging logic is entered, and when T is turned off._{External environment temperature} _AOMARKENCODELTA AO_ ＝ T₂ When the external unit receives the shutdown command N minutes, the relay K is not cut off.₃ At this time T_{External environment temperature} _AOMARKENCODELTA AO_ ＝ T₂ , The K is turned off under the severe working condition at this time.₃ When the external unit is started again, the external fan can not run to the set frequency, the compressor frequency cannot run to the set frequency, and the service life of the outdoor unit of the air conditioner can not be greatly shortened.

, When the air conditioner receives the shutdown instruction, the outdoor first power supply branch and the outdoor second power supply branch are controlled to be switched on or off in relation to the relationship between the outdoor environment temperature and the set temperature range.

And an optional embodiment, the control unit may further include: a control unit configured to control the indoor unit of the air conditioner to emit a wake-up signal that can be used to wake up the outdoor unit of the air conditioner and control the indoor unit to charge the switching power supply in the outdoor unit controller module of the outdoor unit.

, By using the indoor unit to wake up the outdoor unit and charge the switching power supply in the outdoor unit controller module, power consumption can be saved, and energy saving is facilitated.

In an alternative example, the control unit may further include an indoor unit controller module and an indoor unit power supply branch. For example, in the indoor unit control module, an indoor unit controller and a switching power supply may be provided.

The indoor unit power supply branch is arranged between the communication line of the indoor unit controller module of the air conditioner and the live wire of the AC power supply, and can be used for controlling the connection or disconnection between the live wire of the AC power supply and the indoor unit controller module under the control of the indoor unit controller module of the air conditioner.

Optionally, the control unit controls the switching power supply in the outdoor unit controller module of the indoor unit to charge the switch power supply in the outdoor unit controller module of the outdoor unit.

Optionally, the control unit controls the charging path of the indoor unit to charge the switching power supply in the outdoor unit controller module, and may include controlling the indoor unit power supply branch to be disconnected under the condition that the switching power supply in the outdoor unit controller module is electrified.

For example, when the air conditioner receives the power-on command, a wake-up signal is sent by the internal machine while the internal machine passes through the internal machine relay K.₁ To the way that the communication line is powered on, the external unit switch power supply is charged; after the main chip to be external has electricity, the internal machine relay K is disconnected.₁ , The subsequent communication is ensured to be normal.

, By arranging the indoor unit power supply branch between the live wire of the AC power supply and the indoor unit controller module, the switch power supply in the outdoor unit controller module can be charged by controlling the indoor unit power supply branch circuit.

More optionally, an indoor control switch is arranged on the indoor unit power supply branch. For example, the indoor unit relay may be a relay K.₁ .

, The indoor control switch is arranged on the power supply branch of the indoor unit, the structure is simple, and the control mode is simple and reliable.

Through the technical scheme of the utility model, by adopting the technical scheme of the utility model, by adjusting the control logic of the air conditioner according to different external environments, the standby power can be dynamically reduced under the condition of ensuring the standby reliability of the air conditioner.

To the embodiment of the utility model, an air conditioner corresponding to the standby control device is also provided. The air conditioner may include: the standby control device described above.

The indoor unit controller is connected with an indoor unit controller power supply, and the outdoor machine controller can include an outdoor unit controller, first second two-way relays and second first communication modules. The power consumption of the indoor unit control circuit is reduced to the minimum by reducing the output voltage of the power supply of the indoor unit controller so as to effectively reduce the power consumption of the air conditioner in the standby state. When the internal machine gives a wake-up signal, the external unit is forcibly turned on, the environment of the external unit is not judged, and the external machine can not be damaged.

To the scheme, the low-power-consumption standby control method and device are provided, the control logic of the air conditioner is adjusted according to different external environments, the reliability of the air conditioner standby condition is further improved, and the standby power is dynamically reduced. Thus, the influence of the ambient temperature on the outdoor unit of the air conditioner is fully considered, and the low-power-consumption standby mode is changed according to the external environment temperature.

, In view of regional temperature relation, the air conditioner in the low-temperature area is usually provided with a chassis electric heating belt and a compressor electromechanical heating belt. During long-time standby of the low-temperature environment, the external fan and the chassis are frozen, the refrigerant in the compressor is liquefied, the load of the starting phase of the outdoor unit is increased, and the module current protection is easily caused. The utility model discloses a scheme aims at solving the air conditioner when low-power consumption waits, only relies on the signal that the internal unit sent to carry out and does not judge the interference that external environment brought, causes the problem of outer fan and chassis icing of air conditioner external unit. , When the air conditioner is in a low-power-consumption standby state, the external environment temperature is judged, the operation of the air-conditioning system is determined by the external environment temperature, and the reliability of starting operation of the system is protected under the condition that low-power-consumption standby is met.

In an alternative embodiment, referring to the example shown 2 through 5, in the scheme of the present invention, the low power consumption standby control process may include the following steps.

In step 1, when the air conditioner receives the power-on command, the internal machine sends a wake-up signal while the internal machine passes through the internal-machine relay K.₁ To the way that the communication line is powered on, the external unit switch power supply is charged; after the main chip to be external has electricity, the internal machine relay K is disconnected.₁ , The subsequent communication is ensured to be normal.

Step 2: After the external unit switch power supply has electricity, the outdoor unit relay K is turned on.₂ After the voltage to be direct current bus reaches a certain voltage, the relay K is turned on.₃ Re-cut-off relay K₂ Because K is turned on directly after the switching power supply has electricity₃ , The impact current is too large to damage the switching power supply, and the relay K is turned on first.₂ R is due to R R_PTC Resistor buffer action, after being stabilized, re-conducting K₃ R is protected from both the switching power supply and the switching power supply._PTC Resistance to power loss.

After the current is increased, the resistance value is increased, so that the resistor cannot be selected as a common resistor due to excessive current, and the current is limited.

In step 3, when the air conditioner outdoor unit receives the shutdown instruction, the low power consumption standby mode judging logic is entered, and when T is shortened_{External environment temperature} >T₁ When the external unit receives the shutdown command N minutes, the relay K is cut off.₃ .

, Due to the external environment temperature T at this time_{External environment temperature} Greater T₁ , The requirements of the chassis electric heating belt and the compressor electromechanical heating belt are not required to be opened at this time, so that the relay K is cut off directly.₃ There is no influence on the external unit.

Optionally, when T is equal to T₂ _AOMARKENCODTX0AO_T_{External environment temperature} _AOMARKENCODELTA AO_ ＝ T₁ When the external unit receives the shutdown command N minutes, the relay K is used.₃ Is not done.

, The external environment temperature interval is in T at this time.₂ T-T₁ Between the chassis electric heating belt and the compressor electromechanical heating belt needs to be opened between the outdoor unit and the outdoor unit, so that the relay K is not used at this time.₃ Is made.

Optionally, when T is equal to T_{External environment temperature} _AOMARKENCODELTA AO_ ＝ T₂ When the external unit receives the shutdown command N minutes, the relay K is not cut off.₃ .

, T now follows T_{External environment temperature} _AOMARKENCODELTA AO_ ＝ T₂ , The K is turned off under the severe working condition at this time.₃ When the external unit is started again, the external fan can not run to the set frequency, the compressor frequency cannot run to the set frequency, and the service life of the outdoor unit of the air conditioner can not be greatly shortened.

Wherein, the relay corresponds to a switch's effect, cuts off the power of controller.

Since the processes and functions implemented by the air conditioner of the present embodiment substantially correspond to the embodiments, principles, and examples of the apparatus shown in FIG. 1, detailed descriptions of the foregoing embodiments may be made to the descriptions of the foregoing embodiments, which are not repeated herein.

To the technical scheme of the utility model, by adopting the technical scheme of the utility model, by changing the mode of low power consumption standby according to the external environment temperature, the reliability of low power consumption standby under the abominable working condition of the air conditioner is improved, and dynamic energy saving is realized.

To the embodiment of the utility model, the standby control method of the air conditioner corresponding to the air conditioner is further provided, and the flow diagram of one embodiment of the method is shown 6. The standby control method of the air conditioner may include: Step S110 and Step S120.

At step S110, the outdoor environment temperature of the environment where the air conditioner is located is acquired by an acquisition unit that may be provided at the outdoor unit of the air conditioner.

And according to S120 the relationship between the acquired outdoor environment temperature and the set temperature range, the outdoor unit of the air conditioner is in standby control so as to realize low power consumption standby control under the condition of ensuring the reliability of the outdoor unit of the air conditioner.

For example, by adjusting the control logic of the air conditioner according to different external environments, the reliability of the air conditioner standby condition and the standby power can be further improved. When the air conditioner is in the low power consumption standby state, the external environment temperature is judged, the air conditioning system is determined to be operated by the external environment temperature, and the reliability of starting operation of the system is protected under the condition that low power consumption standby is met. Thus, the influence of the ambient temperature on the outdoor unit of the air conditioner is fully considered, and the low-power-consumption standby mode is changed according to the external environment temperature.

, When the air conditioner receives the shutdown instruction, the outdoor unit of the air conditioner is subjected to standby control according to the relationship between the acquired outdoor environment temperature and the set temperature range to realize low power consumption standby control under the condition of ensuring the reliability of the outdoor unit of the air conditioner.

In an alternative example, the control unit may include an outdoor unit controller module, an outdoor unit first power supply branch, and an outdoor unit second power supply branch.

, The outdoor unit first power supply branch is arranged between the live wire of the AC power supply and the outdoor unit controller module, and can be used for controlling the connection or disconnection between the live wire of the AC power supply and the outdoor unit control module according first control modes.

, The outdoor unit second is provided with a power supply branch and is also arranged between the live wire of the AC power supply and the outdoor unit controller module, namely parallel to the outdoor unit first power supply branch and used for controlling the connection or disconnection between the live wire of the AC power supply and the outdoor unit control module according second control modes. The first control mode and second control mode may be preset control modes, or may be implemented under the control of the outdoor unit controller module.

The outdoor unit controller module may be provided with a switching power supply and an outdoor unit controller. The first When the DC bus voltage of the power supply of the air conditioner reaches the set voltage and the outdoor unit first supplies the DC bus voltage of the power supply of the air conditioner to the set voltage, the control mode may control the power supply branch of the outdoor unit second to be turned on, first second 2nd.

For example, the outdoor unit relay K is turned on after the external unit switching power supply has electricity.₂ After the voltage to be direct current bus reaches a certain voltage, the relay K is turned on.₃ Re-cut-off relay K₂ Because K is turned on directly after the switching power supply has electricity₃ , The impact current is too large to damage the switching power supply, and the relay K is turned on first.₂ R is due to R R_PTC Resistor buffer action, after being stabilized, re-conducting K₃ R is protected from both the switching power supply and the switching power supply._PTC Resistance to power loss.

The outdoor unit first is connected with the power supply branch of the outdoor unit second the outdoor unit first is controlled to be switched on after the DC bus voltage is stabilized, the power supply branch of the outdoor unit second is controlled to be disconnected, and the charging safety of first the outdoor unit and the standby reliability of low power consumption are ensured.

Alternatively, in a case where the control unit may include, the control unit performs standby control on the outdoor unit of the air conditioner, and may include any of the following control situations.

1st: If the collected outdoor environment temperature is greater than the upper limit of the set temperature range, the outdoor unit second is controlled to disconnect the power supply branch after the air conditioner receives the set time of the shutdown command. For example, when a shutdown instruction is received by the air conditioner, the low-power standby mode judging logic is entered, and when T is turned off._{External environment temperature} >T₁ When the external unit receives the shutdown command N minutes, the relay K is cut off.₃ Due to the external environment temperature T at this time_{External environment temperature} Greater T₁ , The requirements of the chassis electric heating belt and the compressor electromechanical heating belt are not required to be opened at this time, so that the relay K is cut off directly.₃ There is no influence on the external unit.

2nd: If the collected outdoor environment temperature is greater than the lower limit of the set temperature range, and is less than or equal to the upper limit of the set temperature range, the outdoor unit second is controlled to remain switched on after the air conditioner receives the set time of the shutdown command. For example, when a shutdown instruction is received by the air conditioner, the low-power standby mode judging logic is entered, and when T is turned off.₂ _AOMARKENCODTX0AO_T_{External environment temperature} _AOMARKENCODELTA AO_ ＝ T₁ When the external unit receives the shutdown command N minutes, the relay K is used.₃ Is not done. The external environment temperature interval is in T at this time₂ T-T₁ Between the chassis electric heating belt and the compressor electromechanical heating belt needs to be opened between the outdoor unit and the outdoor unit, so that the relay K is not used at this time.₃ Is made.

3rd: If the collected outdoor environment temperature is less than or equal to the lower limit of the set temperature range, the power supply branch of the outdoor unit second is controlled to remain switched on after the air conditioner receives the set time of the shutdown command. For example, when a shutdown instruction is received by the air conditioner, the low-power standby mode judging logic is entered, and when T is turned off._{External environment temperature} _AOMARKENCODELTA AO_ ＝ T₂ When the external unit receives the shutdown command N minutes, the relay K is not cut off.₃ At this time T_{External environment temperature} _AOMARKENCODELTA AO_ ＝ T₂ , The K is turned off under the severe working condition at this time.₃ When the external unit is started again, the external fan can not run to the set frequency, the compressor frequency cannot run to the set frequency, and the service life of the outdoor unit of the air conditioner can not be greatly shortened.

, When the air conditioner receives the shutdown instruction, the outdoor first power supply branch and the outdoor second power supply branch are controlled to be switched on or off in relation to the relationship between the outdoor environment temperature and the set temperature range.

And after the switching power supply in the outdoor unit controller module has electricity, the control unit controls the indoor unit of the outdoor unit controller module to charge the switch power supply in the outdoor unit controller module of the outdoor unit.

, By using the indoor unit to wake up the outdoor unit and charge the switching power supply in the outdoor unit controller module, power consumption can be saved, and energy saving is facilitated.

In an alternative example, the control unit may further include an indoor unit controller module and an indoor unit power supply branch. For example, in the indoor unit control module, an indoor unit controller and a switching power supply may be provided.

The indoor unit power supply branch is arranged between the communication line of the indoor unit controller module of the air conditioner and the live wire of the AC power supply, and can be used for controlling the connection or disconnection between the live wire of the AC power supply and the indoor unit controller module under the control of the indoor unit controller module of the air conditioner.

Optionally, the control unit controls the switching power supply in the outdoor unit controller module of the indoor unit to charge the switch power supply in the outdoor unit controller module of the outdoor unit.

Optionally, the control unit controls the charging path of the indoor unit to charge the switching power supply in the outdoor unit controller module, and may include controlling the indoor unit power supply branch to be disconnected under the condition that the switching power supply in the outdoor unit controller module is electrified.

For example, when the air conditioner receives the power-on command, a wake-up signal is sent by the internal machine while the internal machine passes through the internal machine relay K.₁ To the way that the communication line is powered on, the external unit switch power supply is charged; after the main chip to be external has electricity, the internal machine relay K is disconnected.₁ , The subsequent communication is ensured to be normal.

, By arranging the indoor unit power supply branch between the live wire of the AC power supply and the indoor unit controller module, the switch power supply in the outdoor unit controller module can be charged by controlling the indoor unit power supply branch circuit.

Since the processes and functions implemented by the method of the present embodiment substantially correspond to the aforementioned embodiments, principles, and examples of the air conditioner shown 1 to 5, reference may be made to the related description in the foregoing embodiments, which is not repeated herein.

By adopting the technical scheme of the embodiment, the external environment temperature is determined when the air conditioner is in the low-power-consumption standby state, and the external environment temperature determines how to operate the air-conditioning system.

In conclusion, it will be readily understood by those skilled in the art that the above-described advantageous embodiments may be freely combined and superimposed on the premise of no conflict.

The above description is merely illustrative of the embodiments of the present invention, and is not intended to limit the present disclosure, and various modifications and changes may be made to those skilled in the art. Any modifications, equivalent substitutions, improvements, etc, made within the spirit and principle of the present invention should be included within the scope of the claims of the present invention.