CN214847094U - Control circuit of Wi-Fi module for heat pump water heater host and PCB thereof - Google Patents
Control circuit of Wi-Fi module for heat pump water heater host and PCB thereof Download PDFInfo
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- CN214847094U CN214847094U CN202121122982.3U CN202121122982U CN214847094U CN 214847094 U CN214847094 U CN 214847094U CN 202121122982 U CN202121122982 U CN 202121122982U CN 214847094 U CN214847094 U CN 214847094U
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Abstract
The utility model discloses a control circuit of Wi-Fi module for heat pump water heater host and PCB board thereof, the heat pump water heater host includes the mainboard, the control circuit of Wi-Fi module for heat pump water heater host include main control unit, Wi-Fi administrative unit and communication unit, the main control unit respectively with Wi-Fi administrative unit with communication unit electric connection, communication unit with the mainboard communication connection, Wi-Fi administrative unit is used for carrying out data communication with external transceiver; the main board of the heat pump water heater is in communication connection with the external receiving and sending equipment of a user through the Wi-Fi management unit, so that software of the heat pump water heater is updated and burnt more conveniently, and the remote work control of the user on the heat pump water heater is facilitated.
Description
Technical Field
The utility model relates to a heat pump water heater technical field, in particular to control circuit and PCB board of Wi-Fi module for heat pump water heater host computer.
Background
The heat pump water heater host computer then has different control software demands according to different customer's demands, and the heat pump water heater host computer generally sets up outdoors, and technical staff is difficult to go to outdoor to maintain the host computer, leads to the customer later stage to the degree of difficulty of software update maintenance great, and in addition, the heat pump water heater adopts controller or control panel to control work usually, and control flexibility is relatively poor.
It is seen that improvements and enhancements to the prior art are needed.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing shortcomings in the prior art, an object of the present invention is to provide a control circuit of Wi-Fi module for heat pump water heater host, which is convenient for software update burning of heat pump water heater and is convenient for work control of heat pump water heater.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a control circuit of Wi-Fi module for heat pump water heater host computer, heat pump water heater host computer includes the mainboard, the control circuit of Wi-Fi module for heat pump water heater host computer include main control unit, Wi-Fi administrative unit and communication unit, the main control unit respectively with Wi-Fi administrative unit with communication unit electric connection, the communication unit with mainboard communication connection, Wi-Fi administrative unit is used for carrying out data communication with outside transceiver.
In the control circuit of the Wi-Fi module for the heat pump water heater main machine, the main control unit comprises a first control chip U1, the communication unit is respectively connected with a pin 1, a pin 2 and a pin 3 of the first control chip U1, and the Wi-Fi management unit is respectively connected with a pin 23, a pin 24 and a pin 25 of the first control chip U1.
In the control circuit of the Wi-Fi module for the heat pump water heater main body, the control circuit of the Wi-Fi module for the heat pump water heater main body further comprises an indicating unit, and the indicating unit is respectively connected with the pin 43 and the pin 44 of the first control chip U1.
In the control circuit of the Wi-Fi module for the heat pump water heater host, the Wi-Fi management unit comprises a second control chip U2, a pin 1 of the second control chip U2 is connected with a pin 23 of a first control chip U1, a pin 15 of the second control chip U2 is connected with a pin 25 of the first control chip U1, and a pin 16 of the second control chip U2 is connected with a pin 24 of the first control chip U1.
In the control circuit of Wi-Fi module for heat pump water heater host computer, the communication unit includes third control chip U3, pin 1 of third control chip U3 with pin 1 of first control chip U1 is connected, pin 2 and pin 3 of third control chip U3 respectively with pin 3 of first control chip U1 is connected, pin 4 of third control chip U3 with pin 2 of first control chip U1 is connected.
In the control circuit of the Wi-Fi module for the heat pump water heater main machine, the control circuit of the Wi-Fi module for the heat pump water heater main machine further comprises an input unit, and the input unit is electrically connected with the main control unit, the Wi-Fi management unit, the communication unit and the indication unit respectively; the input unit is used for supplying power to the main control unit, the Wi-Fi management unit, the communication unit and the indication unit.
In the control circuit of the Wi-Fi module for the heat pump water heater main body, the indicating unit comprises a first light-emitting part and a second light-emitting part, a negative electrode of the first light-emitting part is connected with the pin 43 of the first control chip U1, a positive electrode of the first light-emitting part is connected with the input unit, a negative electrode of the second light-emitting part is connected with the pin 44 of the first control chip U1, and a positive electrode of the second light-emitting part is connected with the input unit.
In the control circuit of the Wi-Fi module for the heat pump water heater host, the input unit comprises a rectifying part, a voltage reduction part and a voltage stabilization part which are sequentially connected; the voltage reduction unit is electrically connected with the communication unit and the indication unit respectively, and the voltage stabilizing unit is electrically connected with the main control unit and the Wi-Fi management unit.
The application also provides a PCB board printed with the control circuit of the Wi-Fi module for the heat pump water heater host machine.
Has the advantages that:
the utility model provides a control circuit of Wi-Fi module for heat pump water heater host computer, through Wi-Fi administrative unit makes heat pump water heater's mainboard and user's outside transceiver communication be connected to it is more convenient to make heat pump water heater's software update burn record, and also be convenient for the user to heat pump water heater's teleworking control.
Drawings
FIG. 1 is a circuit block diagram of a Wi-Fi module control circuit for a heat pump water heater host provided by the present invention;
fig. 2 is a circuit structure diagram of the main control unit and the indicating unit in the control circuit of the Wi-Fi module for the main machine of the heat pump water heater provided by the present invention;
FIG. 3 is a circuit structure diagram of the Wi-Fi management unit in the control circuit of the Wi-Fi module for the heat pump water heater main unit provided by the utility model;
fig. 4 is a circuit structure diagram of the communication unit in the control circuit of the Wi-Fi module for the heat pump water heater main unit provided by the present invention;
fig. 5 is a circuit structure diagram of the input unit in the control circuit of the Wi-Fi module for the heat pump water heater main unit provided by the present invention.
Description of the main element symbols: the system comprises a main control unit 1, a 2-Wi-Fi management unit, a 3-communication unit, a 4-indication unit and a 5-input unit.
Detailed Description
The utility model provides a control circuit of Wi-Fi module and PCB board for heat pump water heater host computer, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following refers to the drawing and the embodiment of lifting the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit indication of the number of technical features indicated.
Please refer to fig. 1 to 5, the utility model provides a control circuit of Wi-Fi module for heat pump water heater host computer, heat pump water heater host computer includes the mainboard, heat pump water heater host computer Wi-Fi module's for control circuit include main control unit 1, Wi-Fi administrative unit 2 and communication unit 3, main control unit 1 respectively with Wi-Fi administrative unit 2 with communication unit 3 electric connection, communication unit 3 with mainboard communication connection, Wi-Fi administrative unit 2 is used for carrying out data communication with outside transceiver.
The working principle of the application is as follows: the external transceiver can be a mobile terminal, namely a mobile phone, a tablet computer, a laptop and the like, the main board is wirelessly connected with an external route through the Wi-Fi management unit 2, the external transceiver of a user is also wirelessly connected with the external route, an update instruction or a control instruction is sent to the Wi-Fi management unit 2 through the external transceiver, the Wi-Fi management unit 2 sends the update instruction or the control instruction to the main control unit 1, the main control unit 1 sends the update instruction or the control instruction to the main board through the communication unit 3, and the main board performs corresponding actions according to the received instruction, so that software update or work control of the heat pump water heater is controlled; the main board of the heat pump water heater is in communication connection with the external receiving and sending equipment of a user through the Wi-Fi management unit 2, so that software of the heat pump water heater is updated and burnt more conveniently, and the user can conveniently control the remote work of the heat pump water heater.
As shown in fig. 1 to 5, further, the main control unit 1 includes a first control chip U1, the communication unit 3 is connected to the pin 1, the pin 2, and the pin 3 of the first control chip U1, respectively, and the Wi-Fi management unit 2 is connected to the pin 23, the pin 24, and the pin 25 of the first control chip U1, respectively; the first control chip U1 performs data transmission with the communication unit 3 through a pin 1, a pin 2 and a pin 3, and the pin 23, the pin 24 and the pin 25 of the first control chip U1 perform data transmission with the Wi-Fi management unit 2; in this embodiment, the first control chip U1 may be a single chip microcomputer with model number STC8A4K16S2a 12.
As shown in fig. 1 and fig. 2, further, the control circuit of the Wi-Fi module for a heat pump water heater main unit further includes an indication unit 4, and the indication unit 4 is connected to the pin 43 and the pin 44 of the first control chip U1, respectively; the instruction unit 4 is used for indicating whether the communication between the Wi-Fi management unit 2 and the external transceiving equipment is successful or not and indicating whether the communication between the communication unit 3 and the mainboard is successful or not.
As shown in fig. 1 to 3, further, the Wi-Fi management unit 2 includes a second control chip U2, the pin 1 of the second control chip U2 is connected to the pin 23 of the first control chip U1, the pin 15 of the second control chip U2 is connected to the pin 25 of the first control chip U1, and the pin 16 of the second control chip U2 is connected to the pin 24 of the first control chip U1; pin 1 of the second control chip is used for resetting the Wi-Fi management unit 2, but Wi-Fi distribution network information is not cleared, and pin 15 and pin 16 of the second control chip U2 are used for data transmission; in this embodiment, the second control chip U2 may be a Wi-Fi management chip with model number TYWE 3S.
As shown in fig. 1, 2 and 4, the communication unit 3 further includes a third control chip U3, pin 1 of the third control chip U3 is connected to pin 1 of the first control chip U1, pin 2 and pin 3 of the third control chip U3 are respectively connected to pin 3 of the first control chip U1, and pin 4 of the third control chip U3 is connected to pin 2 of the first control chip U1; in this embodiment, the third control chip U3 may be a communication chip with a model MAX 485.
As shown in fig. 1 to 5, further, the control circuit of the Wi-Fi module for the heat pump water heater main unit further includes an input unit 5, and the input unit 5 is electrically connected to the main control unit 1, the Wi-Fi management unit 2, the communication unit 3, and the indication unit 4, respectively; the input unit 5 is used for supplying power to the main control unit 1, the Wi-Fi management unit 2, the communication unit 3 and the indication unit 4.
As shown in fig. 1, 2 and 5, the indicating unit 4 further includes a first light emitting part and a second light emitting part, wherein a negative electrode of the first light emitting part is connected to the pin 43 of the first control chip U1, a positive electrode of the first light emitting part is connected to the input unit 5, a negative electrode of the second light emitting part is connected to the pin 44 of the first control chip U1, and a positive electrode of the second light emitting part is connected to the input unit 5; if the communication between the Wi-Fi management unit 2 and the external transceiver is successful, the first light-emitting part is normally on, and if the communication between the Wi-Fi management unit 2 and the external transceiver is failed, the first light-emitting part is normally off; if the communication between the communication unit 3 and the mainboard is successful, the second light-emitting part is normally on, and if the communication between the communication unit 3 and the mainboard is failed, the second light-emitting part is normally off.
In this embodiment, the first light emitting unit includes a first light emitting diode LED1 and a second resistor R2, a negative electrode of the first light emitting diode LED1 is connected to the pin 43 of the first control chip U1, a positive electrode of the first light emitting diode LED1 is connected to one end of the second resistor R2, and the other end of the second resistor R2 is connected to the input unit 5; the current input by the input unit 5 is limited by the second resistor R2 to drive the first light emitting diode LED1 to emit light.
In this embodiment, the second light emitting unit includes a second light emitting diode LED2 and a third resistor R3, a negative electrode of the second light emitting diode LED2 is connected to the pin 44 of the first control chip U1, a positive electrode of the second light emitting diode LED2 is connected to one end of the third resistor R3, and the other end of the third resistor R3 is connected to the input unit 5; the current input by the input unit 5 is limited by the third resistor R3 and then drives the second light emitting diode LED2 to emit light.
As shown in fig. 1 to 5, further, the input unit 5 includes a rectifying part, a voltage reducing part and a voltage stabilizing part which are connected in sequence; the voltage reduction part is electrically connected with the communication unit 3 and the indication unit 4 respectively, and the voltage stabilization part is electrically connected with the main control unit 1 and the Wi-Fi management unit 2; the rectifying part is connected with an external 220V alternating current power supply and outputs a 12V power supply, the 12V power supply outputs a 5V power supply after being input to the voltage reduction part, and the 5V power supply outputs a 3.3V power supply after being input to the voltage stabilization part; the power supply requirements of the main control unit 1, the Wi-Fi management unit 2, the communication unit 3 and the indication unit 4 are met through the rectification part, the voltage reduction part and the voltage stabilization part.
In this embodiment, the voltage dropping unit includes a fourth control chip U4, pin 1 of the fourth control chip U4 is connected to a 12V power supply, pin 2 of the fourth control chip U4 is grounded, and pin 3 of the fourth control chip U4 outputs a 5V power supply; in this embodiment, the fourth control chip U4 may be a buck chip with a model number of 78M 05.
In this embodiment, the voltage stabilizer includes a fifth control chip U5, pin 1 of the fifth control chip U5 is connected to a 5V power supply, pin 3 of the fifth control chip U5 is grounded, and pin 3 of the fifth control chip U5 outputs a 3.3V power supply; in this embodiment, the fifth control chip U5 may be a voltage regulator chip with model number LM 1117.
The application also provides a PCB board printed with the control circuit of the Wi-Fi module for the heat pump water heater host machine.
In summary, the Wi-Fi management unit 2 enables the mainboard of the heat pump water heater to be in communication connection with the external transceiver of the user, so that software of the heat pump water heater can be updated and burned more conveniently, and the user can control the heat pump water heater to work remotely.
It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.
Claims (9)
1. The utility model provides a control circuit of Wi-Fi module for heat pump water heater host computer, heat pump water heater host computer includes the mainboard, its characterized in that, heat pump water heater host computer include main control unit, Wi-Fi administrative unit and communication unit with Wi-Fi module's control circuit, main control unit respectively with Wi-Fi administrative unit with communication unit electric connection, communication unit with mainboard communication connection, Wi-Fi administrative unit is used for carrying out data communication with outside transceiver.
2. The Wi-Fi module control circuit for the heat pump water heater main unit according to claim 1, wherein the main control unit comprises a first control chip U1, the communication unit is respectively connected with pin 1, pin 2 and pin 3 of the first control chip U1, and the Wi-Fi management unit is respectively connected with pin 23, pin 24 and pin 25 of the first control chip U1.
3. The Wi-Fi module control circuit for the heat pump water heater main body according to claim 2, further comprising an indication unit, wherein the indication unit is respectively connected to the pin 43 and the pin 44 of the first control chip U1.
4. The Wi-Fi module control circuit for the heat pump water heater host machine of claim 2, wherein the Wi-Fi management unit comprises a second control chip U2, pin 1 of the second control chip U2 is connected to pin 23 of the first control chip U1, pin 15 of the second control chip U2 is connected to pin 25 of the first control chip U1, and pin 16 of the second control chip U2 is connected to pin 24 of the first control chip U1.
5. The Wi-Fi module control circuit for the heat pump water heater main unit according to claim 2, wherein the communication unit comprises a third control chip U3, pin 1 of the third control chip U3 is connected to pin 1 of the first control chip U1, pin 2 and pin 3 of the third control chip U3 are respectively connected to pin 3 of the first control chip U1, and pin 4 of the third control chip U3 is connected to pin 2 of the first control chip U1.
6. The Wi-Fi module control circuit for the heat pump water heater main body according to claim 3, further comprising an input unit, wherein the input unit is electrically connected to the main control unit, the Wi-Fi management unit, the communication unit and the indication unit respectively; the input unit is used for supplying power to the main control unit, the Wi-Fi management unit, the communication unit and the indication unit.
7. The Wi-Fi module control circuit for the heat pump water heater main body according to claim 6, wherein the indication unit comprises a first light emitting part and a second light emitting part, a negative electrode of the first light emitting part is connected to the pin 43 of the first control chip U1, a positive electrode of the first light emitting part is connected to the input unit, a negative electrode of the second light emitting part is connected to the pin 44 of the first control chip U1, and a positive electrode of the second light emitting part is connected to the input unit.
8. The Wi-Fi module control circuit for the heat pump water heater main unit according to claim 6, wherein the input unit comprises a rectifying part, a voltage reducing part and a voltage stabilizing part which are connected in sequence; the voltage reduction unit is electrically connected with the communication unit and the indication unit respectively, and the voltage stabilizing unit is electrically connected with the main control unit and the Wi-Fi management unit.
9. A PCB board is characterized in that the control circuit of the Wi-Fi module for the heat pump water heater main machine as claimed in any one of claims 1-8 is printed on the PCB board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121122982.3U CN214847094U (en) | 2021-05-24 | 2021-05-24 | Control circuit of Wi-Fi module for heat pump water heater host and PCB thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121122982.3U CN214847094U (en) | 2021-05-24 | 2021-05-24 | Control circuit of Wi-Fi module for heat pump water heater host and PCB thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214847094U true CN214847094U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121122982.3U Active CN214847094U (en) | 2021-05-24 | 2021-05-24 | Control circuit of Wi-Fi module for heat pump water heater host and PCB thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214847094U (en) |
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2021
- 2021-05-24 CN CN202121122982.3U patent/CN214847094U/en active Active
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