Paging device with intelligent control

The utility model relates to the field of medical paging, in particular to a paging device with intelligent control, which comprises a medical paging host, a medical paging bus and a circuit terminal controller. Signals for controlling a power supply are sent to a central processing unit (CPU) of the circuit terminal controller through the medial paging host, the CPU of the circuit terminal controller sends signals to a control circuit of the circuit terminal controller at once after receiving the signals, and the control circuit of the circuit terminal controller directly controls the power supply of an electric appliance. Power supply opening of wards is controlled through a host in a nurse room, and the medical paging line bus is used effectively.

Algae cell counting method and system based on chromaticity and Hough transform and medium

The invention discloses an algae cell counting method and system based on chromaticity and Hough transform and a medium, the algae cell counting method based on chromaticity and Hough transform comprises the following steps: removing impurities in water based on chromaticity of a microscopic image to obtain the microscopic image after the impurities in the water are removed; graying and binarizing the microscopic image of which the impurities in the water are removed to obtain a binary image of the microscopic image; carrying out edge detection on the binary image of the microscopic image; performing circle-like detection on the edge detection image by adopting Hough transform, performing circle center counting on the basis of a circle-like detection result to obtain a counting result of the algae cells, removing impurities in water based on chromaticity of a microscopic image, and performing circle-like detection by adopting Hough transform, so that the number of the algae cells can be ...

Mixed direct-current power system for large LED display screen

The invention discloses a mixed direct-current power system for a large light-emitting diode (LED) display screen. The system comprises a multi-power input module (101) in which a solar photovoltaic power supply, a storage battery and an alternating-current direct-current (AC-DC) power supply are arranged, a modulating module (102) which is connected with the multi-power input module (101) and used for converting input voltages into the same voltage class, an intelligent switching control module (103) connected with the modulating module (102), an expandable output module array (104) which has the same number as that of LED display screen modules and used for outputting a required total current, and a general packet radio service (GPRS) remote monitoring module (105) used for acquiring system parameters in real time and transmitting the system parameters to a monitoring management center. The system performs equivalent modular design and expansion on the power output according to the number ...

Medical paging device with point to point language communication function

The utility model relates to the field of medical paging, in particular to a medial paging device with a point to point language communication function. The medial paging device is characterized in that patients use medial paging extensions to dial to a medical paging host through a dialing system, if no person is in a nurse room at present, calling time of the medial paging host exceeds set time of a system, a time judgment module of the medical paging host sends signals to all the medical paging extensions, and all the medial paging extensions in a calling line start a nurse detection circuit through a central processing unit (CPU). If a nurse is detected in a certain ward, a voice circuit is started through the CPU of the medical paging extensions, a loudspeaker in the voice circuit can give out alarm sound, and the nurse can answer the phone, thereby achieving point to point communication of all the medial paging extensions. The medial paging device can achieve the point to point communication ...

Multi-beater head electric tank tamping tool

The invention relates to the field of electrolytic aluminum equipment, in particular to a multi-hammer electrolytic cell tamping machine, which solves the problems that the carbon blocks at the bottom of the existing electrolytic aluminum cell are usually tamped manually and the tamping effect is poor while the labor intensity and consumption are great and the operation period is comparatively long, etc. and comprises a large cart traveling mechanism and a small cart traveling mechanism; the small cart traveling mechanism is provided with a feeding mechanism, a discharging cylinder is connected with two rows of pneumatic tamping machines through four parallel link rod mechanisms, the inner sides of the two pneumatic tamping machines are respectively provided with a tilting and rotating cylinder, a bending and folding cylinder is arranged on the pneumatic tamping machine at the longitudinal short side at the two ends of the electrolytic cell and a small cart frame is fixed with liftingcylinders ...

Heating furnace for preparing foamed aluminum materials

Method for manufacturing foam aluminum alloy

The invention which relates to a method for manufacturing foam magnesium alloy with soluble porous gypsum models belongs to the technical field of manufacturing foam magnesium alloy and is characterized in that gypsum slurry is made into a foam-shaped gypsum model and the solution of magnesium alloy is cast into pores of the gypsum model after the gypsum model is hardened so as to form a complex body of the gypsum and the magnesium alloy, and the gypsum in the complex body is cleared to obtain the foam magnesium alloy after the complex body is cooled and solidified.

Method for manufacturing foam aluminum alloy

The invention which relates to a method for manufacturing foamed aluminum alloy belongs to the technical field of manufacturing foamed aluminum alloy and is characterized in that aluminum powders are mixed with elemental powders and foaming agent powders which can have thermal chemical reaction with the aluminum powders and all the powders are stirred uniformly to be compacted into a columned front body, and one end of the front body is ignited and heated and imposed with air pressure to cause the elemental powders which have thermal chemical reaction in the front body to generate consecutive chemical reaction, and the heat produced in the reacting process can lead the foaming agent powders to be decomposed and lead the front body to be foamed gradually and then form the foamed aluminum alloy after being cooled.

Multi-beater head electric tank tamping tool

The invention relates to the field of electrolytic aluminum equipment, in particular to a multi-hammer electrolytic cell tamping machine, which solves the problems that the carbon blocks at the bottom of the existing electrolytic aluminum cell are usually tamped manually and the tamping effect is poor while the labor intensity and consumption are great and the operation period is comparatively long, etc. and comprises a large cart traveling mechanism and a small cart traveling mechanism; the small cart traveling mechanism is provided with a feeding mechanism, a discharging cylinder is connected with two rows of pneumatic tamping machines through four parallel link rod mechanisms, the inner sides of the two pneumatic tamping machines are respectively provided with a tilting and rotating cylinder, a bending and folding cylinder is arranged on the pneumatic tamping machine at the longitudinal short side at the two ends of the electrolytic cell and a small cart frame is fixed with lifting cylinders ...

Method for manufacturing foam aluminum alloy

The invention which relates to a method for manufacturing foamed aluminum alloy belongs to the technical field of manufacturing foamed aluminum alloy and is characterized in that aluminum powders aremixed with elemental powders and foaming agent powders which can have thermal chemical reaction with the aluminum powders and all the powders are stirred uniformly to be compacted into a columned frontbody, and one end of the front body is ignited and heated and imposed with air pressure to cause the elemental powders which have thermal chemical reaction in the front body to generate consecutivech emical reaction, and the heat produced in the reacting process can lead the foaming agent powders to be decomposed and lead the front body to be foamed gradually and then form the foamed aluminum alloy after being cooled.

Medical paging device capable of being connected with GSM cell phone or fixed line telephone

The utility model relates to the field of medical paging, in particular to a medical paging device capable of being connected with a GSM cell phone or a fixed line telephone. The medical paging device capable of being connected with a GSM cell phone or a fixed line telephone comprises a medical paging device body, a GSM cell phone, a fixed line telephone and a medical paging bedside extension set. Specific embodiment of the utility model is that when the patient uses the medical paging bedside extension set to dial the medical paging device body, a time judging circuit module judges time; if the time exceeds the regulated value, an inner chip of the medical paging device body drives a telephone communication circuit module to work which switches over a calling signal to a GSM cell phone or a fixed line telephone. The utility model provides a medical paging device capable of being connected with a GSM cell phone or a fixed line telephone which has high efficiency, good processing effect ...

High-altitude descent control device

The invention relates to a high-altitude descent control device. By the gear graduation principle and the cooperation of a ratchet-and-pawl mechanism as well as a blocking wheel and a blocking fork designed by the inventor, a rope winding disc rotates at almost constant average rotating speed, so as to control the speed for a rope which is wound on the rope winding disc to leave the rope winding disc. The device can be applied to occasions of high-altitude operation or escape and the like, and high-altitude workers or escapers and the like can be descended at constant speed. The device has constant and moderate descending speed, and probable fall motion is avoided, thus the control device is and reliable, is simple and convenient in operation, and can be used when needed.

Multifunctional wireless paging device

The utility model relates to the field of medical paging system devices, in particular to a multifunctional wireless paging device, which is formed by a medical paging wireless extension and a medical paging host. The medical paging wireless extension mainly comprises a music circuit module, a liquid crystal display, a touch recognition chip, a game chip and a voice call circuit module. The music circuit module, the game chip and the voice call circuit module are all operated through the touch recognition chip. The wireless medical paging device is multifunctional and convenient to carry.

Method for manufacturing foam aluminum alloy

The invention which relates to a method for manufacturing foam magnesium alloy with soluble porous gypsum models belongs to the technical field of manufacturing foam magnesium alloy and is characterized in that gypsum slurry is made into a foam-shaped gypsum model and the solution of magnesium alloy is cast into pores of the gypsum model after the gypsum model is hardened so as to form a complex body of the gypsum and the magnesium alloy, and the gypsum in the complex body is cleared to obtain the foam magnesium alloy after the complex body is cooled and solidified.

Digital ward information display device

The invention discloses a digital ward information display device, wherein the digital ward information display device comprises a central processing unit, a three-primary-colour door lamp and a control system, a touch colour liquid crystal display screen, a handwritten identification circuit, a data converter, a CAN (Control Area Network) bus control circuit and a power transformation circuit; the three-primary-colour door lamp and the control system are installed at the back of the touch colour liquid crystal display screen; the touch colour liquid crystal display screen is connected with the handwritten identification circuit; a data conversion module is used for realizing mutual conversion of a digital signal and an analogue signal; the touch colour liquid crystal display screen is used for feeling outside touch; the handwritten identification circuit is used for converting an outside touch signal into display information; the traditional room number plate can be replaced by the device ...

Medical paging device with handwriting and touching function

The utility model relates to the medical paging device, in particular to a medical paging device with handwriting and touching function, comprising a medical paging device body, a medical paging bedside extension set and a medical paging line bus. Nurse can change information of patient on the screen of the medical paging bedside extension set by a handwriting pen. At first, a handwriting identification circuit works with a touching identification circuit to identify information changed by the nurse, and the information is displayed on the display screen of the medical paging bedside extension set by a display circuit. Secondly, changed information is uploaded to the medical paging device body of a paging system through a data transmission line so as to change the information of patient on the medical paging device body of the paging system. The utility model can change information of patient by the medical paging bedside extension set and the changed information is uploaded to the medical ...

Filler grain for producing foaming aluminum-alloy and its production

A filler particle for producing foam-aluminum alloy by extruding seepage process and its production are disclosed. The process is carried out by mixing bentonite with sodium chloride, agitating, spraying saturated sodium chloride solution into mixture, oriented shaking to form into spherical grain, heating to 120degree, keeping temperature for 1hr, screening and utilizing. It has homogeneous porestructure and better porosity.

Voice frequency and data synthesis and bus arbitration medical calling connection device

The utility model relates to the field of a medical calling device, in particular to a voice frequency and data synthesis and bus arbitration medical calling connection device, which comprises a medical calling main machine, a medical calling bus and medical calling bedside extension machines. The medical calling connection device is characterized in that the medical calling main machine is connected with a plurality of medical calling bedside extension machines through the medical calling bus. Each medical calling bedside extension machine is mainly composed of a central processing unit (CPU), a code sending circuit, a code receiving circuit, a data synthesis circuit, a voice circuit and a dialing system. The voice frequency and data synthesis and bus arbitration medical calling connection device can not have a busy line caused by simultaneous dialing of the plurality of branches of the medical calling bedside extension machines and can obtain synthesis of audio signals and voice signals ...

Novel capillary heating device

The utility model discloses a novel capillary heating device. Its characterized in that: thread bush upper end cover and thread bush bottom end cover and screw thread overcoat are connected fixedly through the screw, the screw thread inner core inserts the screw thread overcoat, and the heating rod imbeds the through -hole in the screw thread inner core. The smooth internal surface of screw overcoat agrees with into the pipeline with the interior core outside surface's of screw screw, and the capillary twines in even screw pipeline to fill the pipeline gap with the heat conduction silicone grease, temperature sensor embedding screw thread overcoat surface grooves. During the heating, on the screw inner core through -hole evenly arrange with the high heat conducting characteristic of aluminium system thread bush, can guarantee the even conduction of temperature, realize heating temperature accurate control. During the cooling, the through -hole drives rapid flow of external cold wind and ...

Medical calling device with function of multi-channel talking

The utility model relates to the field of medical calling, in particular to a medical calling device with a function of multi-channel talking, which comprises a medical calling main machine connected with medical calling bedside auxiliary machines through a plurality of lines. When a patient dials the medical calling machine, first a busy line determining circuit detects busy lines among the plurality of lines. If the busy line determining circuit detects that the line the patient dials is busy, the busy line determining circuit enters a next line immediately and repeats this operation until an available line is found, and the busy line determining circuit of the medical calling bedside auxiliary machine stops detection. The medical calling device with the function of multi-channel talking is highly efficient and good in processing effect.

Portable solar seawater distillation device

The utility model relates to a portable solar seawater distillation device. The utility model relates to the technical field of solar seawater desalination. The solar water heater comprises a body with a sealed cavity inside, a light absorption part, a water delivery mechanism and a water collection mechanism, wherein the body comprises a distillation cover and a floating seat; the distillation cover and the floating seat are both of a double-layer structure; a sealed inflation cavity is formed between the distillation cover and the double-layer structure of the floating seat; an anti-backflowcover is arranged on the inner layer of the floating seat; a cavity in the body is divided into a condensation cavity and a distillation cavity by the anti-backflow cover; a water collection groove is formed between the root of the backflow prevention cover and the root of the distillation cover; the water collecting groove is connected with a water collecting mechanism arranged outside the body;a ...

Method for testing melamine in raw milk and dairy products and preprocessing device

The invention discloses a method for testing melamine in raw milk and dairy products. The high-efficient liquid phase chromatography is adopted for testing, the samples of raw milk and dairy product are preprocessed by way of hollow fiber membrane liquid-liquid-liquid phase microextraction, the organic phase is adsorbed on the pore wall of the fiber membrane, the aqueous phase as the receiving phase exists in the fiber membrane, and after being soaked in the sample solution to be detected and is extracted, the fiber membrane is directly tested by HPLC. Meanwhile, the invention also discloses a sample preprocessing device for the method and a preparation method thereof. The method is sensitive and reliable, the operation of the testing method is simple and convenient, the cost is saved, and the method is environment-friendly.

Foam aluminum alloy strengthened by ceramic balls and preparing method thereof

A foam aluminum alloy strengthened by ceramic balls and a preparing method thereof belong to the technical field of foam aluminum alloy material and are characterized in that the foam aluminum alloy is formed by the ceramic balls and the foam aluminum alloy which are compounded into one. The preparing method is as follows: (1) granular salt and ceramic balls of a certain amount are mixed with saturated brine, stirred uniformly, held in a mold to be pressed, heated to 100 to 200 DEG C and dried for 1 to 2 hours, and the granular salt and the ceramic balls combine to form a porous body with a certain shape and strength; (2) the mold which holds the porous body is put into a heating furnace to be preheated, the preheating temperature is 400 to 500 DEG C, and the preheating time is 1 to 2 hours; (3) liquid aluminum alloy is poured into the mold, negative pressure of 0.04 to 0.06MPa is applied to a lower end surface of the mold to ensure aluminum alloy solution to flow into voids of the porous ...

Foam aluminum alloy strengthened by ceramic balls and preparing method thereof

A foam aluminum alloy strengthened by ceramic balls and a preparing method thereof belong to the technical field of foam aluminum alloy material and are characterized in that the foam aluminum alloy is formed by the ceramic balls and the foam aluminum alloy which are compounded into one. The preparing method is as follows: (1) granular salt and ceramic balls of a certain amount are mixed with saturated brine, stirred uniformly, held in a mold to be pressed, heated to 100 to 200 DEG C and dried for 1 to 2 hours, and the granular salt and the ceramic balls combine to form a porous body with a certain shape and strength; (2) the mold which holds the porous body is put into a heating furnace to be preheated, the preheating temperature is 400 to 500 DEG C, and the preheating time is 1 to 2 hours; (3) liquid aluminum alloy is poured into the mold, negative pressure of 0.04 to 0.06MPa is applied to a lower end surface of the mold to ensure aluminum alloy solution to flow into voids of the porous ...

Medical calling device with automatic failure detection function

The utility model relates to communication line failure detection, in particular to a medical calling device with an automatic failure detection function. An automatic failure detection device is arranged between a medical calling main machine and a terminal device. When a calling system works normally, various electrical parameters in a calling line keep stable, and the failure detection device does not send alarming signals to the medical calling main machine under the condition that the electrical parameters are stable. When the calling system does not work normally, the various electrical parameters in the calling line change, a chip in the automatic failure detection device analyzes electrical parameter data to obtain possible results, and then the data are sent to the medical calling main machine. The medical calling device can monitor whether lines in the calling system are normal or not timely and accurately, can send reports to the medical calling main machine under the condition ...