CN218473727U - Air conditioner controller capable of reducing electromagnetic interference - Google Patents
Air conditioner controller capable of reducing electromagnetic interference Download PDFInfo
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- CN218473727U CN218473727U CN202222514124.4U CN202222514124U CN218473727U CN 218473727 U CN218473727 U CN 218473727U CN 202222514124 U CN202222514124 U CN 202222514124U CN 218473727 U CN218473727 U CN 218473727U
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Abstract
The application is suitable for the field of special equipment for air conditioners, and discloses an air conditioner controller capable of reducing electromagnetic interference, which comprises a shell, wherein a circuit board and a socket are arranged in the shell; the socket is used for being connected with an air conditioner to be controlled; the circuit board distributes and has high-voltage area and low-voltage area, and the high-voltage area is provided with circuit module, and the low-voltage area is provided with MCU main control chip and communication module, MCU main control chip and communication module communication connection, and communication module includes 4G communication board, and 4G communication board's top is provided with the metal sheet. The circuit board is distributed into a high-voltage area and a low-voltage area, so that the element layout is reasonable, elements in the high-voltage area and elements in the low-voltage area are prevented from being mutually staggered, and creepage, high-voltage breakdown and electromagnetic interference can be reduced; set up the metal sheet at the top of 4G communication board, utilize the metal sheet to reduce electromagnetic interference, avoid the communication to break, the metal sheet at top can cover the component in the 4G communication board, further improves anti-electromagnetic interference's effect.
Description
Technical Field
The application relates to the field of special equipment for air conditioners, in particular to an air conditioner controller capable of reducing electromagnetic interference.
Background
In order to realize intelligent control of traditional air conditioning equipment, the air conditioning controller applied to the air conditioning equipment is developed, the product can control the state of the air conditioner through terminal equipment, and can feed back information such as the field temperature environment, the air conditioning state and the like to a user. However, in the conventional air conditioner controller, the high-voltage elements and the low-voltage elements in the circuit board are arranged in a staggered manner, so that a creepage phenomenon and electromagnetic interference occur, and the service life of the air conditioner controller is influenced; in addition, due to electromagnetic interference, communication interruption occurs in a communication module in the air conditioner controller.
Disclosure of Invention
The present application is directed to solve at least one of the technical problems of the prior art, and to this end, the present application provides an air conditioner controller capable of reducing electromagnetic interference.
An air conditioner controller capable of reducing electromagnetic interference comprises a shell, wherein a circuit board and a socket are arranged in the shell;
the socket is used for being connected with an air conditioner to be controlled;
the circuit board is provided with a high-voltage area and a low-voltage area, the high-voltage area is provided with a circuit module, the low-voltage area is provided with an MCU main control chip and a communication module, the MCU main control chip is in communication connection with the communication module, the communication module comprises a 4G communication board, and a metal plate is arranged at the top of the 4G communication board.
Further specifically, among the above-mentioned technical scheme, the circuit module includes current sampling circuit, voltage detection circuit, power supply circuit and electric energy measurement circuit, the socket pass through the wire respectively with current sampling circuit voltage detection circuit's input is connected, current sampling circuit with voltage detection circuit's output all connect in electric energy measurement circuit, electric energy measurement circuit with MCU main control chip connects.
Further specifically, in the above technical solution, the housing includes an upper housing and a lower housing, the socket is disposed in the upper housing, the circuit board is disposed in the lower housing, the high-voltage region is provided with a first through hole, and the socket can pass through the first through hole.
More specifically, in the above technical solution, the current sampling circuit, the voltage detection circuit, the power supply circuit, and the electric energy metering circuit are distributed around the first through hole.
More specifically, in the above technical scheme, four corners in the lower casing are provided with first mounting columns, four corners of the circuit board are correspondingly provided with notches, four corners in the upper casing are provided with second mounting columns, and second through holes matched with the second mounting columns are formed in the first mounting columns.
More specifically, in the above technical solution, the high voltage region further includes a relay, and the relay is connected with the MCU main control chip.
More specifically, in the above technical solution, the low-voltage area is further provided with a buzzer, and an input end of the buzzer is connected to an output end of the MCU main control chip.
Further specifically speaking, in the above technical scheme, the low-pressure area is further provided with a temperature detection module, the temperature detection module is connected to the MCU main control chip, and the temperature detection module is used for detecting the temperature in the casing.
More specifically, in the above technical solution, the electric energy metering circuit adopts a single-phase mutual inductance type large current metering chip HLW8032.
More specifically, in the foregoing technical solution, the communication module further includes a 433MHz communication module.
Compared with the prior art, the embodiment of the application has the following beneficial effects:
in the air conditioner controller, the circuit board is distributed into the high-voltage area and the low-voltage area, so that the element layout is reasonable, elements in the high-voltage area and elements in the low-voltage area are prevented from being mutually staggered, and creepage, high-voltage breakdown and electromagnetic interference can be reduced;
set up the metal sheet at the top of 4G communication board, utilize the metal sheet to reduce electromagnetic interference, the metal sheet setting is compared in setting up in its bottom at the top of 4G communication board, can cover the component in the 4G communication board, further improves anti-electromagnetic interference's effect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of an air conditioner controller according to the present application;
FIG. 2 is a schematic diagram of a circuit board according to the present application;
fig. 3 is a circuit diagram of the current detection circuit, the voltage detection circuit and the electric energy metering circuit of the present application.
In the figure: 1. an upper housing; 2. a lower housing; 3. a circuit board; 301. a high pressure region; 302. a low-pressure region; 4. a current sampling circuit; 5. a voltage detection circuit; 6. an electric energy metering circuit; 7. the MCU main control chip; 8. 4G communication board; 801. a metal plate; 9. a socket; 10. a wire; 11. a first through hole; 12. a first mounting post; 1201. a second through hole; 13. a second mounting post; 14. a relay; 15. a buzzer; 16. a temperature detection module; 17. a 433MHz communication module; 18. a power supply circuit; 19. and (6) setting a safety capacitor.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
Furthermore, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used for distinguishing between descriptions and not necessarily for describing or implying relative importance.
Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.
Referring to fig. 1-2, the present application provides an air conditioner controller capable of reducing electromagnetic interference, which includes a housing, a circuit board 3 and a socket 9 are disposed in the housing; the socket 9 is used for connecting with an air conditioner to be controlled; the circuit board 3 distributes and has high-voltage region 301 and low-voltage area 302, and high-voltage region 301 is provided with circuit module, and low-voltage area 302 is provided with MCU main control chip 7 and communication module, and MCU main control chip 7 and communication module communication connection, communication module include 4G communication board 8,4G communication board 8's top is provided with metal sheet 801.
The MCU main control chip 7 can be connected with terminal equipment through a communication module, and it can be understood that the terminal equipment comprises a remote control or a mobile phone and the like, so that a user can conveniently acquire information such as a field temperature environment, an air conditioner state and the like through the terminal equipment and control the air conditioner.
In the air conditioner controller, the circuit board 3 is distributed into the high-voltage area 301 and the low-voltage area 302, so that the element layout is reasonable, elements in the high-voltage area 301 and elements in the low-voltage area 302 are prevented from being mutually staggered, and creepage, high-voltage breakdown and electromagnetic interference can be reduced;
the metal plate 801 is arranged on the top of the 4G communication board 8, electromagnetic interference is reduced by the metal plate 801, communication interruption is avoided, and compared with the metal plate 801 arranged on the bottom of the 4G communication board 8, the metal plate 801 arranged on the top of the 4G communication board 8 can cover elements in the 4G communication board 8, and the effect of resisting electromagnetic interference is further improved.
In some embodiments, the circuit module includes a current sampling circuit 4, a voltage detection circuit 5, a power supply circuit 18 and an electric energy metering circuit 6, the socket 9 is connected to the input terminals of the current sampling circuit 4 and the voltage detection circuit 5 through wires 10, the output terminals of the current sampling circuit 4 and the voltage detection circuit 5 are both connected to the electric energy metering circuit 6, and the electric energy metering circuit 6 is connected to the MCU main control chip 7.
The current detection circuit comprises a current detection resistor, the voltage detection circuit 5 comprises a voltage detection resistor, the power supply circuit 18 comprises a safety capacitor 19, and the power supply circuit 18 is used for supplying power to all circuits.
The current, the voltage, the power and the electricity consumption of the air conditioner can be obtained through the current sampling circuit 4, the voltage detection circuit 5 and the electric energy metering circuit 6, as shown in fig. 3, the electric energy metering circuit 6 carries out operation through a U8, the current, the voltage, the power and the electricity consumption are measured in real time, information is sent to the MCU main control chip 7, the MCU main control chip 7 transmits the information to the communication module, the information is transmitted to terminal equipment or cloud end in a wireless mode, and real-time monitoring is achieved. In the figure, L is connected to the live wire of the input mains for detecting the voltage signal, and I + is used for detecting the current signal of the input mains. The output end RXD3_ MCU in fig. 3 is connected to the input end of the MCU main control chip 7, and transmits the data related to the electric quantity to the MCU main control chip 7.
In some embodiments, the housing includes an upper housing 1 and a lower housing 2, the socket 9 is disposed in the upper housing 1, the circuit board 3 is disposed in the lower housing 2, the high voltage region 301 is provided with a first through hole 11, and the socket 9 can pass through the first through hole 11; the current sampling circuit 4, the voltage detection circuit 5, the power supply circuit 18 and the electric energy metering circuit 6 are distributed around the first through hole 11. The layout of each element in the air conditioner controller is further optimized, and each element of the air conditioner controller is integrated in a certain space.
In some embodiments, four corners in the lower housing 2 are provided with first mounting columns 12, four corners of the circuit board 3 are correspondingly formed with notches, four corners in the upper housing 1 are provided with second mounting columns 13, second through holes 1201 matched with the second mounting columns 13 are arranged in the first mounting columns 12, and the second mounting columns 13 are connected with the second through holes 1201 in the first mounting columns 12 to realize the dismounting and mounting functions of the upper housing 1 and the lower housing 2; in addition, the four corners of circuit board 3 are formed with the breach, the inside four corners of lower casing 2 is provided with first erection column 12, the inside four corners of upper casing 1 is provided with second erection column 13, further optimizes the spatial layout of casing, makes circuit board 3 in the casing can set up more components.
In some embodiments, the high voltage region 301 further comprises a relay 14, and the relay 14 is connected with the MCU main control chip 7. The relay 14 is input into a power supply path of the commercial power and is used for switching on or off the input commercial power. The electric energy metering circuit 6 outputs data obtained by metering to the MCU main control chip 7, for example, the power consumption is output to the MCU main control chip 7, the MCU main control chip 7 compares the power consumption with a first preset electric quantity, when the power consumption exceeds the first preset electric quantity, the MCU main control chip 7 sends an invalid relay 14 control signal to the relay 14, the relay 14 is disconnected and powered on, the air conditioner stops supplying power, and the air conditioner can be automatically disconnected when the balance of a user is insufficient.
In some embodiments, the low voltage region 302 is further provided with a buzzer 15, and an input terminal of the buzzer 15 is connected to an output terminal of the MCU main control chip 7.
The input end of the buzzer 15 is connected with the output end of the MCU main control chip 7. The energy metering module can transmit signals to the MCU main control chip 7, when the MCU main control chip 7 judges that the power consumption in the electric energy metering circuit 6 exceeds the second preset electric quantity, the second preset electric quantity is smaller than the first preset electric quantity, the MCU main control chip 7 transmits signals to the buzzer 15 again, and the buzzer 15 starts working after receiving signals to prompt a user that the power consumption exceeds the first preset electric quantity.
In some embodiments, the low voltage region 302 is further provided with a temperature detection module 16, the temperature detection module 16 is connected to the MCU main control chip 7, and the temperature detection module 16 is used for detecting the temperature in the housing. The temperature detection module 16 is used for detecting the temperature in the shell and transmitting the temperature to the MCU main control chip 7, when the MCU main control chip 7 judges that the detected temperature exceeds a first preset temperature, a signal is transmitted to the buzzer 15, and the buzzer 15 starts to work after receiving the signal so as to prompt a user that the air conditioner controller needs to stop running due to overhigh temperature.
It can be understood that the MCU main control chip 7 compares the power consumption information and the temperature information with the preset value to output the control signal to control the buzzer 15, and the comparison with the preset value is not essential to the invention of the present application and can be implemented by the related art. For example, the comparison function may be implemented using an MCU chip; a comparison circuit, such as an analog comparison circuit formed by an operational amplifier and its peripheral circuits, may be used, where two input terminals of the comparison circuit are respectively connected to the detection signal and the preset value signal, and an output terminal outputs a comparison result, and the comparison result is used as a control signal to control the buzzer 15.
In some embodiments, the electric energy metering circuit 6 adopts a single-phase mutual inductance type large-current metering chip HLW8032.
In some embodiments, the communications module further comprises a 433MHz communications module 17.
In some embodiments, the relay 14 may be remotely controlled using a cloud server. In this embodiment, data transmission between the cloud server and the MCU main control chip 7 is realized through the communication module. The cloud server sends a relay 14 control signal, the MCU main control chip 7 receives the relay 14 control signal through the communication module, and outputs the relay 14 control signal to the relay 14 to realize remote control of the relay 14. The cloud server can also obtain the power consumption information from the MCU main control chip 7, and when the power consumption exceeds a third preset power, the cloud server can send an invalid relay 14 control signal to the MCU main control chip 7. The cloud server can also obtain recharging information of the user, and when the user recharges again, or the recharging amount exceeds the preset amount, the cloud server can send an effective relay 14 control signal to the MCU main control chip 7.
The above-mentioned embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (10)
1. An air conditioner controller capable of reducing electromagnetic interference is characterized by comprising a shell, wherein a circuit board and a socket are arranged in the shell;
the socket is used for being connected with an air conditioner to be controlled;
the circuit board is provided with a high-voltage area and a low-voltage area, the high-voltage area is provided with a circuit module, the low-voltage area is provided with an MCU main control chip and a communication module, the MCU main control chip is in communication connection with the communication module, the communication module comprises a 4G communication board, and a metal plate is arranged at the top of the 4G communication board.
2. The air conditioner controller capable of reducing electromagnetic interference according to claim 1, wherein the circuit module comprises a current sampling circuit, a voltage detection circuit, a power supply circuit and an electric energy metering circuit, the socket is respectively connected with the input ends of the current sampling circuit and the voltage detection circuit through wires, the output ends of the current sampling circuit and the voltage detection circuit are both connected to the electric energy metering circuit, and the electric energy metering circuit is connected with the MCU main control chip.
3. An air conditioner controller capable of reducing electromagnetic interference as set forth in claim 2 wherein said housing includes an upper housing and a lower housing, said socket being disposed in said upper housing, said circuit board being disposed in said lower housing, said high voltage region being provided with a first through hole through which said socket can pass.
4. The air conditioner controller capable of reducing electromagnetic interference according to claim 3, wherein the current sampling circuit, the voltage detection circuit, the power supply circuit and the electric energy metering circuit are distributed around the first through hole.
5. The air conditioner controller capable of reducing electromagnetic interference according to claim 4, wherein four corners of the lower casing are provided with first mounting columns, four corners of the circuit board are correspondingly provided with notches, four corners of the upper casing are provided with second mounting columns, and second through holes matched with the second mounting columns are arranged in the first mounting columns.
6. The air conditioner controller capable of reducing electromagnetic interference according to claim 2, wherein the high voltage region further comprises a relay, and the relay is connected with the MCU main control chip.
7. The air conditioner controller capable of reducing electromagnetic interference according to claim 6, wherein the low-voltage region is further provided with a buzzer, and an input end of the buzzer is connected to an output end of the MCU main control chip.
8. The air conditioner controller capable of reducing electromagnetic interference according to claim 7, wherein the low-pressure area is further provided with a temperature detection module, the temperature detection module is connected to the MCU main control chip, and the temperature detection module is used for detecting the temperature in the shell.
9. An air conditioner controller capable of reducing electromagnetic interference according to any one of claims 2-8, characterized in that the electric energy metering circuit adopts a single-phase mutual inductance type large current metering chip HLW8032.
10. An air conditioner controller capable of reducing electromagnetic interference as set forth in any one of claims 1-8 wherein said communication module further includes a 433MHz communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222514124.4U CN218473727U (en) | 2022-09-22 | 2022-09-22 | Air conditioner controller capable of reducing electromagnetic interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222514124.4U CN218473727U (en) | 2022-09-22 | 2022-09-22 | Air conditioner controller capable of reducing electromagnetic interference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218473727U true CN218473727U (en) | 2023-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222514124.4U Active CN218473727U (en) | 2022-09-22 | 2022-09-22 | Air conditioner controller capable of reducing electromagnetic interference |
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| Country | Link |
|---|---|
| CN (1) | CN218473727U (en) |
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- 2022-09-22 CN CN202222514124.4U patent/CN218473727U/en active Active
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