CN218750184U - Air conditioner control module - Google Patents
Air conditioner control module Download PDFInfo
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- CN218750184U CN218750184U CN202222497029.8U CN202222497029U CN218750184U CN 218750184 U CN218750184 U CN 218750184U CN 202222497029 U CN202222497029 U CN 202222497029U CN 218750184 U CN218750184 U CN 218750184U
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- air conditioner
- control module
- conditioner control
- heat dissipation
- circuit
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Abstract
The utility model discloses an air conditioner control module, including shell, control panel, heat dissipation base plate, the control unit and power unit set up in the shell, the control unit sets up on the control panel, the power unit sets up on the heat dissipation base plate, control panel and heat dissipation base plate connect from top to bottom; the air conditioner control module is arranged on the low-temperature side of the compressor. The utility model discloses set up the power unit on the heat dissipation base plate, and set up air conditioner control module in compressor low temperature side, with the help of the supplementary heat dissipation of compressor low temperature side, increased the radiating effect of module. On the other hand the utility model discloses the control unit and power unit set up on the control panel and the heat dissipation base plate of connecting from top to bottom, and the integrated level is high.
Description
Technical Field
The utility model belongs to the technical field of automatically controlled, specifically speaking relates to an air conditioner control module.
Background
The automobile air conditioner compressor controller is generally a large-current variable frequency controller, a power device used by the controller is distributed on a Printed Circuit Board (PCB), the thermal resistance of the power device is large, the temperature is increased, and when the controller is used in an environment with poor heat dissipation conditions, the controller can be disabled or a fire disaster can be caused due to overhigh temperature; on the other hand, the air conditioner control function and the compressor driving function of the existing automobile air conditioner compressor controller cannot be effectively integrated, the size is large, and the universality is poor.
In view of this, the present invention is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art not enough, provide an air conditioner control module, can be integrated in the module with preventing reverse-connection function, air conditioner control function, overcurrent protection function, compressor drive function and fan drive function, the integrated level is high, and power density is big.
In order to solve the technical problem, the utility model discloses a following technical scheme:
an air conditioner control module comprises a shell, a control panel, a heat dissipation substrate, a control unit and a power unit, wherein the control panel, the heat dissipation substrate, the control unit and the power unit are arranged in the shell;
the air conditioner control module is arranged on the low-temperature side of the compressor.
Further, the heat dissipation substrate is an aluminum substrate or a copper substrate.
Furthermore, the power unit comprises an anti-reverse connection circuit, an overcurrent protection circuit, a compressor driving circuit and a fan driving circuit.
Further, the control unit comprises a control chip, and the control chip is used for driving the compressor driving circuit and the fan driving circuit and performing overcurrent protection.
Furthermore, the power unit further comprises a first MOS transistor, a gate of the first MOS transistor is connected with the fan driving circuit, a drain of the first MOS transistor is connected with the fan, and a source of the first MOS transistor is connected with the input cathode.
Furthermore, the heat dissipation device also comprises a thermistor, wherein the thermistor is arranged on the heat dissipation substrate and is electrically connected with the control chip.
Furthermore, the output end of the control chip is connected with an upper computer through a current limiting circuit.
Furthermore, the device also comprises an alarm unit which is electrically connected with the control chip.
Furthermore, the air conditioner control module also comprises a TVS tube, and the TVS tube is connected with the input end of the air conditioner control module in parallel.
Further, the reverse connection preventing circuit comprises a second MOS tube, the second MOS tube is connected in series to the input cathode, and the gate of the second MOS tube is connected to the input anode of the air conditioner control module.
After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has:
1. the utility model discloses set up the power unit on the heat dissipation base plate, and set up air conditioner control module in compressor low temperature side, with the help of the supplementary heat dissipation of compressor low temperature side, increased the radiating effect of module.
2. The utility model discloses the control unit and power unit set up on the control panel and the radiating basal plate of connecting from top to bottom, and the integrated level is high.
3. The utility model discloses can realize energy-conserving effect through compressor current regulation fan rotational speed.
The following describes embodiments of the present invention in further detail with reference to the attached drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 is a schematic view of the present invention;
FIG. 2 is an external view of the present invention;
fig. 3 is a top view of the control panel of the present invention;
fig. 4 is a top view of the heat dissipation substrate of the present invention;
fig. 5 is a relative position diagram of the control board and the heat dissipation substrate of the present invention;
fig. 6 is a schematic connection diagram of the anti-reverse connection circuit of the present invention.
In the figure: 1. a housing;
2. a control panel; 201. a control unit; 202. a control chip; 203. a power supply circuit;
3. a heat-dissipating substrate; 301. a power unit; 302. a compressor drive circuit; 303. a fan drive circuit; 304. an anti-reverse connection circuit;
4. and (4) insulating filler.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-6, the utility model provides an air conditioner control module, including shell 1, control panel 2, heat dissipation base plate 3, the control unit 201 and power unit 301 set up in shell 1.
The power unit 301 is arranged on the heat dissipation substrate 3, and the power unit 301 comprises an anti-reverse connection circuit 304, a compressor driving circuit 302, a fan driving circuit 303 and an overcurrent protection circuit, wherein the overcurrent protection circuit is used for avoiding overload of the power unit 301; the control unit 201 is disposed on the control board 2, the control unit 201 includes a control chip 202, and the control chip 202 is configured to drive the compressor driving circuit 302 and the fan driving circuit 303 and perform overcurrent protection. Preferably, the present invention further comprises a power circuit 203 for adjusting the input voltage to the voltage required by the control unit 201.
The control board 2 and the heat dissipating substrate 3 are connected vertically. The utility model discloses to prevent reverse function, air conditioner control function, overcurrent protection function, compressor drive function and fan drive function integration in air conditioner control module, realize high integrated level, high power density.
For increasing electrical insulation performance, the utility model discloses still set up insulating filler 4 between control panel 2 and radiating basal plate 3, simultaneously, insulating filler 4 still can provide sealed water proof and dustproof protect function, guarantees air conditioner control module's normal operating.
The air conditioner control module is arranged on the low-temperature side of the compressor, and the heat dissipation effect of the module is greatly enhanced by means of auxiliary heat dissipation of the low-temperature side of the compressor.
For reinforcing radiating basal plate 3's radiating effect, the utility model discloses a radiating basal plate 3 adopts aluminium base board or copper base board, and aluminium base board or copper base board's thermal resistance is little, and heat transfer rate is fast, can further increase air conditioner control module's radiating effect and reliability.
The power unit 301 further includes a first MOS transistor, i.e., a metal-oxide-semiconductor (semiconductor) field effect transistor. The first MOS transistor gate is connected to the fan driving circuit 303, and then the control chip 202 outputs a signal to the first MOS transistor gate through the fan driving circuit 303, for the first MOS transistor, the voltage between the gate and the source is greater than a certain set value, and the drain and the source can be turned on, so that the control chip 202 can control the on/off of the first MOS transistor, thereby controlling the duty ratio of the output voltage. The drain electrode of the first MOS tube is connected with the fan, the source electrode of the first MOS tube is connected with the input cathode, and the control chip 202 controls the duty ratio of the output voltage by controlling the on-off of the first MOS tube, so that the rotating speed of the fan is further controlled.
The control chip 202 controls the static pressure rotating speed of the fan, meanwhile, the control chip 202 can detect the actual output current of the compressor, and the control chip 202 after running for a period of time further adjusts the rotating speed of the fan by comparing the relationship between the rotating speed of the compressor and the current, so that the purpose of energy conservation is achieved.
Preferably, the utility model discloses a control chip 202 detects the three-phase current of output, voltage to realize the motor vector control of sine wave or square wave, realize dynamic high-speed response.
The utility model discloses still including setting up in heat dissipation base plate 3's thermistor. The thermistor is directly placed on the heat dissipation substrate 3, and the resistance value of the thermistor can be changed in real time according to the temperature of the heat dissipation substrate 3 due to the heat conduction capability of the heat dissipation substrate 3. The thermistor is electrically connected to the control chip 202, and preferably, the thermistor is connected to the control chip 202 through a voltage division comparison circuit, so that a temperature signal can be transmitted to the control chip 202, and a temperature protection function of the air conditioner control module is realized.
The utility model discloses still include alarm unit, it is preferred, the utility model discloses an alarm unit adopts the LED lamp form, but the LED lamp does not constitute the injecing of the utility model discloses alarm unit form.
The LED lamp is electrically connected with the control chip 202, in the operation process, the control chip 202 monitors input and output parameters of the air conditioner control module, and if faults are monitored, the control chip 202 controls the LED lamp to flash to display the faults to a user. Meanwhile, the control chip 202 is connected with an upper computer through a current limiting circuit to upload faults. Preferably, the utility model discloses a trouble upload signal adopts pulse signal's form, need not pass through code conversion to can satisfy the use of different model host computers.
As shown in fig. 6, the reverse connection preventing circuit 304 realizes the reverse connection preventing function through the second MOS transistor. The second MOS tube is connected with an input cathode in series, the drain electrode of the second MOS tube is arranged on the input side, the grid electrode of the second MOS tube is connected with the input anode of the air-conditioning control module, when the input is normal, the voltage between the grid electrode and the source electrode is larger than a certain set value, the drain electrode and the source electrode are conducted to form a loop, and the air-conditioning control module can normally work; when the positive electrode and the negative electrode are reversely connected, the second MOS tube cannot be conducted, so that a loop cannot be formed, and the air conditioner control module cannot normally work.
The utility model discloses still include the TVS pipe (transient Voltage supressor, transient diode) for realize the overvoltage protection function, the TVS pipe is parallelly connected with air conditioner control module's input, and when inputing excessive pressure, the TVS pipe switches on in the twinkling of an eye, makes voltage restriction at safety range, prevents the damage of follow-up device, thereby realizes the overvoltage protection function.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above embodiments, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments by utilizing the above technical contents without departing from the technical scope of the present invention, and the embodiments in the above embodiments can be further combined or replaced, but any simple modification, equivalent change and modification made to the above embodiments by the technical essence of the present invention still fall within the scope of the present invention.
Claims (10)
1. An air conditioner control module, its characterized in that: the control panel, the heat dissipation substrate, the control unit and the power unit are arranged in the shell, the control unit is arranged on the control panel, the power unit is arranged on the heat dissipation substrate, and the control panel and the heat dissipation substrate are connected up and down;
the air conditioner control module is arranged on the low-temperature side of the compressor.
2. The air conditioner control module as claimed in claim 1, wherein the heat dissipation substrate is an aluminum substrate or a copper substrate.
3. The air conditioner control module of claim 1, wherein the power unit comprises an anti-reverse connection circuit, an over-current protection circuit, a compressor drive circuit and a fan drive circuit.
4. The air conditioner control module of claim 3, wherein the control unit comprises a control chip, and the control chip is used for driving the compressor driving circuit and the fan driving circuit and performing overcurrent protection.
5. The air conditioner control module according to claim 3, wherein the power unit further comprises a first MOS transistor, a grid of the first MOS transistor is connected with the fan driving circuit, a drain of the first MOS transistor is connected with the fan, and a source of the first MOS transistor is connected with the input cathode.
6. The air conditioner control module as claimed in claim 4, further comprising a thermistor disposed on the heat dissipation substrate and electrically connected to the control chip.
7. The air conditioner control module as claimed in claim 4, wherein the output end of the control chip is connected to the upper computer through a current limiting circuit.
8. The air conditioner control module as claimed in claim 7, further comprising an alarm unit, wherein the alarm unit is electrically connected with the control chip.
9. The air conditioner control module as claimed in claim 1, further comprising a TVS tube connected in parallel with an input of the air conditioner control module.
10. The air conditioner control module as claimed in claim 3, wherein the reverse connection preventing circuit comprises a second MOS tube, the second MOS tube is connected into the input cathode in series, and the grid electrode of the second MOS tube is connected with the input anode of the air conditioner control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222497029.8U CN218750184U (en) | 2022-09-21 | 2022-09-21 | Air conditioner control module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222497029.8U CN218750184U (en) | 2022-09-21 | 2022-09-21 | Air conditioner control module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218750184U true CN218750184U (en) | 2023-03-28 |
Family
ID=85694737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222497029.8U Active CN218750184U (en) | 2022-09-21 | 2022-09-21 | Air conditioner control module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218750184U (en) |
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2022
- 2022-09-21 CN CN202222497029.8U patent/CN218750184U/en active Active
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