POWER SUPPLY DEVICE AND AIR CONDITIONER INCLUDING SAME

Hereinafter, with reference to the attached drawing specification detailed disclosure to the embodiment is one example, drawing code is independent components to impart the same reference number or similar local description dispensed the on-sensors other. Hereinafter "module" and "part" suffix for components which are used in the description is only given the ease of creating specification into consideration or as mixed, semantic or itself serves not the having distinguished from each other. In addition, the specification disclosure to the example embodiment described specifically in publicly known techniques related to the subject matter of the disclosure description is a specification description example embodiment uses the analogy if can be decided to be supplied from a substrate. In addition, the attached drawing specification for example embodiment to easily understand the disclosure to only, by the attached drawing specification disclosure to event number not one technical scheme, all changing range of idea and techniques of the present invention, including the water to replacement should understood to evenly.

Number 1, number 2 including various components such as ordinal number signifies a describes an can be used but the term, defined by said terms of said components are not. Components are mounted to one of said terms are used only distinguished from other components of the object.

Any component and other components "connected" or folder "connected" when referred to that, or the other components connected directly or may be connected, other components might lead to intermediate is present it will will be. While, any component and other components referred to as "directly connected" or folder that when "directly connected to", should be understood to does not exist in the middle of other components will.

It is apparent that a single representation of the differently in order not providing language translators, comprising plurality of representation.

In the application, the term "comprising" or "having disclosed" specification of articles feature, number, step, operation, components, parts or specify a combination not present included, another aspect of one or more moveable number, step, operation, component, component or a combination of these is understood to presence of or additionally pre-times those possibility should not number.

The present invention according to Figure 1 shows a block configuration degrees and also to account for device power supply, Figure 2 the present invention according to power supply device to account for circuit are disclosed.

The reference also 1 and 2 also, the power device, power conversion device (1000) on power supply device (3000) can be a.

Power conversion device (1000) AC power input (100) a rectifier unit (1100), the rectifying section (1100) or rectified DC voltage up/down converter unit plower number in power factor (1200), comprises a converter unit (1200) number plower converter a number control unit (1300), a three-phase AC converter receives the output of the inverter section (1400), inverter part (1400) water level a number plower inverter number (1500) on, the switching unit (1200) on inverter part (1400) DC stage between a capacitor (C) can be.

The inverter part (1400) is a three-phase AC current and outputs, the output current motor (2000) supplied to. Wherein, motor (2000) be a an air conditioner compressor motor is driving. Hereinafter, motor (2000) is an air conditioner compressor motor and driving, power conversion device (1000) and receives the compressor motor in size in motor drive device described substrate.

However motor (2000) is not one number in the compressor motor, a variable frequency AC voltage to various applications number article, for example, refrigerator, washing machine, electric motor car, vehicle, cleaner can be used such as AC motor.

On the other hand, power conversion device (1000) is, for driving the compressor motor, DC stage voltage detector (B), (A) input voltage, input current detector (D), output current detector further comprises (E) can be.

Power conversion device (1000) is, from lines receives alternating current power supply, power conversion to, motor (2000) converted object is power supplied.

A converter unit (1200) is, input AC power (100) AC power into DC power converter. This comprises a converter unit (1200) factor number control unit (PFC (power factor control) unit) is operating on DC - DC (DC-a DC) converter can be using. In addition, the DC - DC (DC-a DC) converter boosts (boost converter) can be using. If necessary, a converter unit (1200) is the rectifying section (1100) including general outline a implementation being. Hereinafter, a converter unit (1200) a boosting converter-assisted example of each other.

The rectifying unit (1100) is, single-phase AC power supply (100) receives and rectifies, the rectified power converter unit (1200) side outputs. To this end, the rectifying section (1100) can be using using full wave rectifying circuit comprises a bridge diode.

Thus, a converter unit (1200) is the rectifying section (1100) in the rectified voltage boosting and smooth operations be factor in the process.

This comprises a converter unit (1200) is, the rectifying section (1100) which is connected to the inductor (L1), an inductor (L1) (Q1) connected to the switching element, the switching element (Q1) connected in parallel with capacitor (C), and a switching element (Q1) comprising a diode (D1) connected between on capacitor (C) can be.

A converter unit (1200) output voltage boosting converter input voltages higher than can be obtained, while when the diode (D1) connected to a switching element (Q1) is blocked energy stored in inductor (L1), capacitor (C) output voltage output while discharge to Image stored CLK3.

In addition, the inductor (L1) is blocked when switching element (Q1) switching element (Q1) previously stored in lower conduction energy transferred to the output.

Wherein, PWM (pulse width modulation) signal switching element (Q1) is a separate user's fingers can. I.e., number converter control section (130) transmitted from the PWM signal, switching element (Q1) base (base; or gate) applied to the stage, the PWM signal to the switching device (Q1) capable of driving the switching operation.

This switching element (Q1) is, using power transistor can be, for example, lateral insulated gate bipolar transistor (insulated gate bipolar mode transistor; IGBT) can be using.

IGBT power MOSFET (metal oxide semi-a conductor field effect transistor) is a bipolar transistor (bipolar transitor) switching (switching) element having a structure, which has a small driving power, high-speed switching, internal pressure, which enables high current density is are disclosed.

As such, converter number control unit (1300) is a converter unit (1200) in timing of turning on the switching element (Q1) be number. The, switching element (Q1) turn on timing for number converter outputs a signal (Sc) can be.

To this end, converter number control unit (1300) the input from each of the current detecting input voltage detector (A) (B), input voltage (Vs) and, receiving input current (Is) can be.

And, the rectifying section (1100) through an output voltage, the DC stage capacitor (C) charged or inverter part (1400) can be driving.

(A) input voltage detector input AC power (100) from input voltage (Vs) can be detected. For example, the rectifying section (1100) can be chucking.

(A) voltage from the input voltage detector for detection, resistance element, including OP AMP can be. The detected input voltage (Vs), as pulse forms discrete signal (discrete signal), a signal (Sc) for generation of a number converter, converter number control unit (1300) can be applied to disclosed.

Then, the current detecting input AC power input (D) (100) (Is) can be detecting input current from. Specifically, the rectifying section (1100) can be chucking.

(D) input current detector comprises a current for detection, current sensor, CT (current transformer), shunt resistor or the like can be. The inputs detected voltage (Is), as pulse forms discrete signal (discrete signal), a signal (Sc) number converter for generation of a converter control section number (1300) can be applied to disclosed.

DC voltage detector includes a DC stage capacitor (C) (B) (Vdc) voltage reduction detecting substrate. Such power supply for detection, resistance element, is used as the OP AMP can be. The detected DC stage capacitor (C) (1600) voltage (Vdc) is, as pulse forms discrete signal (discrete signal), inverter control section number (1500) can be applied to, DC stage capacitor (C) (1600) (Vdc) (Si) is generated DC voltage of the inverter based on the number can be hu when it freezes.

On the other hand, unlike drawing, DC voltage is detected, converter number control unit (1300) applied to the, converter number hu when it freezes (Sc) used to generate the disapproval.

Inverter part (1400) is, a plurality of inverter switching element (Qa, Qb, Qc, Qa ', Qb', Qc ') with, on/off operation of the switching element by the predetermined frequency three-phase into AC power to DC power obtained by rectifying the AC (Vdc), three-phase motor (2000) can be outputs.

Specifically, inverter part (1400) (Qa, Qb, Qc) is used in an upper switching element connected in series to each other and lower switching element pair (Qa ', Qb', Qc ') as well, a pair of total cells, lower switching element can be connected in parallel each other.

A converter unit (1200) in the same manner as on, switching element (Qa, Qb, Qc, Qa ', Qb', Qc ') is holding, using power transistor can be, for example, lateral insulated gate bipolar transistor (insulated gate bipolar mode transistor; IGBT) can be using.

Inverter number control unit (1500) is, inverter part (1400) number for the switching operation, inverter inverter part number hu when it freezes (Si) (1400) can be outputs. Pulse width modulation (PWM) inverter number hu when it freezes (Si) is switching number as hu when it freezes, motor (2000) (io) output current flowing in the DC stage voltage across capacitor (C) and DC stage based on (Vdc) can be generated and output. Where the output current (io) is, output can be detected from the current detecting component (E), the DC stage voltage DC stage voltage detector (Vdc) (B) can be detected from.

(E) is output current detector, inverter part (1400) and motor (2000) that flows between the output current (io) can be detected. I.e., motor (2000) detected by a current flowing in. (E) output current (ia, ib, ic) on respective output current detector detecting both can be, or using two three-phase equilibrium for detecting output current on disapproval.

(E) output current detector comprises an inverter portion (1400) and motor section (2000) can be positioned between the, current for detection, CT (current transformer), is used as the shunt resistor can be.

On the other hand, power supply device (300) is, SMPS (Switched Mode Power Supply) the rectifying section (3100), SMPS capacitor (3200), detected (3300), SMPS switching unit (3400), SMPS output (3500), the current cut off switch (3600) can be a.

Wherein, SMPS input AC power of the rectifying part (100) can be rectifies.

And, SMPS capacitor (3200) SMPS is full-wave rectifying sections (3100) on the SMPS output (3500) can be connected between the voltage charges or discharges.

Next, detected (3300) is SMPS capacitor (3200) capacitor is connected to the SMPS (3200) can be of the voltage across the sensing.

Wherein, detected (3300) is SMPS capacitor (3200) connected in parallel, series-connected resistor can dispensing number 1 number 2 resistance resistance.

Ear, SMPS switching unit (3400) voltage from the sensing unit (3300) on the SMPS output (3500) connected to detected (3300) greater than a reference voltage sensed from the SMPS output off (off) if an overvoltage (3500) and current block retransmission, detected (3300) that is identical to or smaller than the reference voltage and the voltage sensed from on (on) the SMPS voltage output (3500) can be transmitting current.

Wherein, SMPS switching unit (3400) reference voltage can be in the range of about 5V - 6V voltage.

In addition, SMPS switching unit (3400) reference voltage is detected (3300) can be determined according to a resistance value.

And, current cut off switch (3600) SMPS is full-wave rectifying sections (3100) switching unit is connected to the SMPS (3400) rectifier is powered on when the SMPS (3100) that are input to the current and to, SMPS switching unit (3400) is connected between the rectifier SMPS (3100) can be that are input to the current concentration.

Wherein, current cut off switch (3600) SMPS is full-wave rectifying sections (3100) alternating current rectifier power supply unit number to SMPS (3100) can be disposed between.

In one example, current cut off switch (3600) includes a relay switch which may be, but not limited to.

Wherein, about 13 about 9V - relay switch driving voltage. 5V implementation being.

Next, SMPS output (3500) switching the SMPS (3400) the charging electric current to be conducted where on (on), SMPS switching unit (3400) is in an off state (off) rectifies and smooth the charging current can be output.

In one example, SMPS output (3500) is transformer, rectifier, and generator generates the smoothed voltage can be.

Wherein, SMPS transformer switching (3400) 1 1 (on) that a current induced in the secondary coil when charging a charging current can be induced in the secondary coil to the primary coil 2, the SMPS switching unit is in an off state (off) be not intended to perform a current output operation.

And, primary coil and rectifier 2 rectifies current sent connected units, is coupled to the rectifying portion smooth voltage generating part provides an obtained by rectifying the AC voltage can be output from the rectified current to smooth.

The power supply device includes the first and second of the present invention, detected (3300) through, SMPS capacitor (3200) can be of the voltage across the sensing.

And, SMPS switching unit (3400) is greater than the reference voltage and the voltage sensed overvoltage OVP (Over Voltage Protection) function can be activated off (off).

Ear, light-emitting device is powered on when the SMPS, SMPS output (3500) includes a current outputting operation generate a first, relay switch current cut off switch (3600) input is off can be detected.

Since, in the case of relay switch current cut off switch, the driving voltage of at least about 9V, overvoltage when excited by SMPS switching unit is in an off state, current cut off switch (3600) also off, can be opened and closed space are disclosed.

Thus, the present invention refers to OVP (Over Voltage Protection) to off (off) if excess sensed voltage SMPS switching and activating function, SMPS input rectifier of the switching operation from an SMPS according interval of the current switch to, 3 as well as an eccentric state even by normal disconnection state of overvoltage and interrupting the inflow of sensing, parts can be second subsidiary unit.

Figure 3 shows a block configuration of the present invention according to power supply device to account for detected also are disclosed.

As shown in fig. 3, detected (3300) is SMPS capacitor (3200) capacitor is connected to the SMPS (3200) can be of the voltage across the sensing.

Detected (3300) is SMPS capacitor (3200) connected in parallel, number 1 resistance (3310) and number 2 resistance (3320) dispensing the controller resistor can.

And, detected (3300) is number 1 resistance (3310) and number 2 resistance (3320) connected to a node between the SMPS switching unit installed (3400) connected to an output wiring lam (3330) can be comprising.

Wherein, output wiring (3330) SMPS through switching unit (3400) (Vbr) is output to the output voltage, Vbr=X * {R2/(R1 + R2)} (where, X dispensing resistance output terminals, the resistance value R1 number 1, number 2 is the resistance value R2) can be calculated by equation determined unequivocally.

For example, SMPS switching unit (3400) reference voltage of about 6V voltage in the range of about 5V - when, input voltage switching in about 310V hereinafter SMPS (3400) but the second signal selection, input voltage protective circuit switching in about 310V SMPS (3400) is in an off state can be designed.

The, SMPS switching unit (3400) reference voltage is detected (3300) can be determined according to a resistance value.

In one example, SMPS switching unit (3400) about 5. 34V OVP (Over Voltage Protection) above when designed to implement function operation, the protective circuit is applied to the power supply device AC input supply reference about 310V, detected (3300) shunt (Shunt) is a current switching voltage divider to SMPS (3400) Vbr input port of about 5. 34V or more voltage is applied, SMPS switching unit (3400) about 5. 34V or more voltage is applied to the stops off switching operation is designed to be coated.

Ear, SMPS switching unit (3400) is powered on when the, about 9V or more voltages the current cut off switch is driven in the relay switch, the driving voltage is prevented from being applied (off) by the introduction and off-opened, circuit can be second subsidiary unit.

Wherein, detected (3300) number 1 resistance R1 resistance of about 7. 4M Ω and, number 2 resistance R2 resistance when about 91K Ω, 310V input AC voltage back, SMPS switching unit (3400) that are input to the voltage Vbr is about 5. 34V can be calculated.

I.e., AC voltage is, 5. 34 * [(7. 4M + 91K)/91K]/ 1. 414=AC 310V can be calculated.

The, on 3 , Vbr voltage is about 6. 53V is so, SMPS switching unit (3400) is off, switch off can be voltage into a current.

And, when normal wiring, Vbr voltage is about 3. 77V is so, SMPS switching unit (3400) and is on, current blocking switch rocker be normal input is powered on.

In one example, during normal wiring, normal voltage AC 220V is inputted, the input power supply rectifier the SMPS (3100) applied via DC 310V, again detected (3300) through about 3. 77V and voltage of Vbr, about 3. 77V Vbr of SMPS voltage switching (3400) switching unit receives the SMPS (3400) is can be driven normally.

Wherein, when normal wiring, Vbr=310V * [(7. 4M + 91k)/91K]=3. 77V implementation being.

However, on 3, of circuit rectifies AC 380V, the rectifier input power supply SMPS (3100) applied via DC 537V, again detected (3300) about 6 via. 53V and voltage of Vbr, about 6. 53V Vbr of SMPS voltage switching (3400) switching unit receives the SMPS (3400) is can be driven normally.

Wherein, on 3 , Vbr=537V * [(7. 4M + 91k)/91K]=6. 53V implementation being.

Also the present invention according to Figure 4 shows a power supply device to explain off process voting circuit are disclosed.

As shown in fig. 4, the power supply device, SMPS (Switched Mode Power Supply) the rectifying section (3100), SMPS capacitor (3200), detected (3300), SMPS switching unit (3400), SMPS output (3500), the current cut off switch (3600) can be a.

Wherein, SMPS input AC power of the rectifying part (100) can be rectifies.

And, SMPS capacitor (3200) SMPS is full-wave rectifying sections (3100) on the SMPS output (3500) can be connected between the voltage charges or discharges.

Next, detected (3300) is SMPS capacitor (3200) capacitor is connected to the SMPS (3200) can be of the voltage across the sensing.

Wherein, detected (3300) is SMPS capacitor (3200) connected in parallel, number 1 resistance (3310) and number 2 resistance (3320) dispensing the controller resistor can.

In addition, detected (3300) is number 1 resistance (3310) and number 2 resistance (3320) connected to a node between the SMPS switching unit installed (3400) lam output can be connected to the lower line.

Wherein, SMPS output in the first switching unit (3400) (Vbr) is output to the output voltage, Vbr=X * {R2/(R1 + R2)} (where, X dispensing resistance output terminals, the resistance value R1 number 1, number 2 is the resistance value R2) can be calculated by equation determined unequivocally.

Ear, SMPS switching unit (3400) voltage from the sensing unit (3300) on the SMPS output (3500) connected to detected (3300) greater than a reference voltage sensed from the SMPS output off (off) if an overvoltage (3500) and current block retransmission, detected (3300) that is identical to or smaller than the reference voltage and the voltage sensed from on (on) the SMPS voltage output (3500) can be transmitting current.

Wherein, SMPS switching unit (3400) reference voltage can be in the range of about 5V - 6V voltage.

In addition, SMPS switching unit (3400) reference voltage is detected (3300) can be determined according to a resistance value.

In one example, SMPS switching unit (3400) reference voltage is about 5. 34V OVP (Over Voltage Protection) above when designed to implement function operation, the protective circuit is applied to the power supply device AC input supply reference about 310V, detected (3300) shunt (Shunt) is a current switching voltage divider to SMPS (3400) Vbr input port of about 5. 34V or more voltage is applied, SMPS switching unit (3400) about 5. 34V or more voltage is applied to the stops off switching operation is designed to be coated.

Wherein, detected (3300) number 1 resistance R1 resistance of about 7. 4M Ω and, number 2 resistance R2 resistance when about 91K Ω, 310V input AC voltage back, SMPS switching unit (3400) that are input to the voltage Vbr is about 5. 34V can be calculated.

I.e., AC voltage is, 5. 34 * [(7. 4M + 91K)/91K]/ 1. 414=AC 310V can be calculated.

As one example, on 3 , Vbr voltage is about 6. 53V is so, SMPS switching unit (3400) is off, switch off can be voltage into a current.

3 on, of circuit rectifies AC 380V, the rectifier input power supply SMPS (3100) applied via DC 537V, again detected (3300) about 6 via. 53V and voltage of Vbr, about 6. 53V Vbr of SMPS voltage switching (3400) switching unit receives the SMPS (3400) is can be driven normally.

Wherein, on 3 , Vbr=537V * [(7. 4M + 91k)/91K]=6. 53V implementation being.

In one example, during normal wiring, Vbr voltage is about 3. 77V is so, SMPS switching unit (3400) and is on, current blocking switch rocker be normal input is powered on.

In normal wiring, normal voltage AC 220V is inputted, the input power supply rectifier the SMPS (3100) applied via DC 310V, again detected (3300) through about 3. 77V and voltage of Vbr, about 3. 77V Vbr of SMPS voltage switching (3400) switching unit receives the SMPS (3400) is can be driven normally.

Wherein, when normal wiring, Vbr=310V * [(7. 4M + 91k)/91K]=3. 77V implementation being.

And, SMPS switching unit (3400) includes a power source unit (3600) thereof can supply coupled to the power supply.

Wherein, the power supply (3600) is, SMPS switching unit (3400) operation on the power supply terminal Vcc of a diode (3610), diode (3610) connected in series to an input terminal of the resistance (3620), resistance (3620) a look-up table connected coil (3630), and coil (3630) installed on the other side of connected diode (3610) capacitor connected to the output end of the lam (3640) can be a.

The, power (3600) coil (3630) and the cap (3640) between nodes, SMPS capacitor (3200) can be connected.

And, power (3600) coil (3630) is, SMPS output (3500) of transformers 2 primary coil (3520) facing the light can be arranged.

Next, the power supply device SMPS rectification (3100) part number alternating power supply (3700) can be a.

Wherein, power supply (3700) can be the fuse.

And, current cut off switch (3600) is power supply (3700) SMPS on full-wave rectifying sections (3100) can be disposed between.

Current cut off switch (3600) SMPS is full-wave rectifying sections (3100) switching unit is connected to the SMPS (3400) rectifier is powered on when the SMPS (3100) that are input to the current and to, SMPS switching unit (3400) is connected between the rectifier SMPS (3100) can be that are input to the current concentration.

In one example, current cut off switch (3600) includes a relay switch which may be, but not limited to.

Wherein, about 13 about 9V - relay switch driving voltage. 5V implementation being.

The, relay switch current cut off switch (3600) is, is driven at about 9V or more voltages the, SMPS switching unit (3400) is powered on when the, relay switch (off) and off-driving voltage is prevented from being applied by the overcurrent introduction, circuit can be second subsidiary unit.

Next, SMPS output (3500) switching the SMPS (3400) the charging electric current to be conducted where on (on), SMPS switching unit (3400) is in an off state (off) rectifies and smooth the charging current can be output.

In one example, SMPS output (3500) is transformer, rectifier, and generator generates the smoothed voltage can be.

Wherein, SMPS transformer switching (3400) 1 (on) that a the primary coil (3510) charging a primary coil current 1 (3510) charged current primary coil 2 (3520) can be sent to, SMPS switching unit is in an off state (off) are not intended to perform be the current output operation.

And, rectifying unit connected transformer primary coil 2 (3520) and rectifies current sent, is coupled to the rectifying portion smooth voltage generating part provides an obtained by rectifying the AC voltage can be output from the rectified current to smooth.

In one example, primary coil of transformer rectifier 2 (3520) the input connected to a diode (3530) can be a.

And, smooth voltage generating unit generates a diode (3530) connected to one of the output end of the transformer primary coil 2 (3520) connected to capacitor lam (3540) can be a.

Wherein, capacitor (3540) 2 of the transformer primary coil (3520) can be parallel connected.

The power supply device includes the first and second of the present invention, detected (3300) through, SMPS capacitor (3200) can be of the voltage across the sensing.

And, SMPS switching unit (3400) is greater than the reference voltage and the voltage sensed overvoltage OVP (Over Voltage Protection) function can be activated off (off).

Ear, SMPS switching unit (3400) is powered on when the, SMPS output (3500) includes a current outputting operation generate a first, relay switch current cut off switch (3600) input is off can be detected.

Since, relay switch current cut off switch (3600) of, the driving voltage at least about 9V, overvoltage by SMPS switching unit (3400) is in an off state when excited, current cut off switch (3600) also off, can be opened and closed space are disclosed.

Also the present invention according to Figure 5 shows a voting power supply device off process to explain flow are disclosed.

As shown in fig. 5, the power supply device of the present invention, AC power is inputted, rectifies the AC power to a DC power source voltage of the DC power supply and smooth making identifying other. (S10)

Wherein, the power supply device, voltage sensing unit, sensing the voltage across the capacitor can be SMPS.

Next, the power supply device, power supply is at least about 310V checks to see if a substrate. (S20)

Then, the power supply device, SMPS switching connection, reference sensed voltage greater than a overvoltage switching off (off) if (Over Voltage Protection) function SMPS OVP by activating the base. (S30)

And, the power supply device, light-emitting device is powered on when the SMPS, the hook unit scans a relay switch current cut off switch (open) can be detected. (S40)

However, the power supply device, SMPS switching connection, sensed voltage is smaller than the reference voltage by activating SMPS OVP normal voltage (Over Voltage Protection) functionality capable of switching on (on). (S50)

And, the power supply device, when the SMPS switching section is, relay switch current cut off switch is close (close) introducing current can be. (S60)

Thus, the present invention refers to, if off (off) (Over Voltage Protection) OVP excess sensed voltage to activating function SMPS switching unit, SMPS input rectifier of the switching operation from an SMPS according interval of the current switch to, 3 as well as an eccentric state even by normal disconnection state of overvoltage and interrupting the inflow of sensing, parts can be second subsidiary unit.

In the embodiment above are described features, structure, in the embodiment of the present invention effect is at least one included, in the embodiment of specific confined only to are not correct. Further, in the embodiment each exemplified feature, structure, in the embodiment having the usual knowledge field effect belong in the embodiment that has been modified by other embodiment combination even for pivotably. The range of the present invention related to content is translated strain this combination will be interpreted.

In addition, in the embodiment described above the present invention is but only about only example defining but is, in the embodiment of the present invention if a person with skill in the art and flawless biosensors properties inputted from deviating from a not illustrated or more deflection of the various applications may be know are disclosed. For example, each component can be deformed embodiment specifically in the embodiment shown are disclosed. Such distortion and applications and related appended in the claims of the present invention defining the differences range will be interpreted.