CN219868383U - LCD display circuit of air conditioner - Google Patents
LCD display circuit of air conditioner Download PDFInfo
- Publication number
- CN219868383U CN219868383U CN202321344372.7U CN202321344372U CN219868383U CN 219868383 U CN219868383 U CN 219868383U CN 202321344372 U CN202321344372 U CN 202321344372U CN 219868383 U CN219868383 U CN 219868383U
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- circuit
- microcontroller
- lcd display
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- resistance
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- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 230000000007 visual effect Effects 0.000 claims abstract description 6
- 230000005669 field effect Effects 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 210000000056 organ Anatomy 0.000 claims 2
- 230000005856 abnormality Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000001413 cellular effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses an air conditioner LCD display circuit, which comprises an LCD display unit and a microcontroller, wherein the LCD display unit comprises an LCD driver, an LCD display screen chip and an LCD backlight driving circuit, the microcontroller is electrically connected with the LCD display unit, and further comprises a Bluetooth WIFI transmission circuit which is in communication connection with the microcontroller through UART (universal asynchronous receiver/transmitter) and an infrared communication and alarm circuit which is electrically connected with the microcontroller, the Bluetooth WIFI transmission circuit is used for uploading equipment data to a mobile phone APP to realize APP remote control, meanwhile, when WIFI is connected, the mobile phone APP can realize wireless data transmission, and the infrared communication and alarm circuit comprises an infrared receiver which is in signal remote control connection with an external infrared remote controller and an audible and visual alarm circuit which is used for prompting system abnormality. The circuit realizes data transmission with the mobile phone.
Description
Technical Field
The utility model relates to the technical field of air conditioner display, in particular to an air conditioner LCD display circuit.
Background
An Air Conditioner (Air Conditioner), which is an Air Conditioner, is an apparatus for adjusting and controlling parameters such as temperature, humidity, flow rate, etc. of Air in a building or structure by manual means, and is generally provided with an Air Conditioner display circuit for displaying time and temperature of the Air Conditioner, but the current Air Conditioner display circuit has a complicated structure, cannot realize data transmission with a mobile phone, and thus has poor practicality, and thus needs improvement.
Disclosure of Invention
The utility model aims to provide an air conditioner LCD display circuit to solve the problems that the prior air conditioner display circuit provided in the background art is complex in structure, cannot realize data transmission with a mobile phone and is poor in practicability.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an air conditioner LCD display circuit, includes LCD display element and microcontroller, LCD display element include LCD driver, LCD display screen chip and LCD backlight drive circuit, microcontroller and LCD display element electricity be connected, its characterized in that: the Bluetooth WIFI wireless remote control system is characterized by further comprising a Bluetooth WIFI transmission circuit which is in communication connection with the microcontroller and an infrared communication and alarm circuit which is electrically connected with the microcontroller, wherein the Bluetooth WIFI transmission circuit is used for uploading equipment data to a mobile phone APP, so that APP remote control is realized, meanwhile, when WIFI is connected, the mobile phone APP can realize non-range data transmission, and the infrared communication and alarm circuit comprises an infrared receiver which is in signal remote control connection with an external infrared remote controller and an audible and visual alarm circuit which is used for prompting system abnormality.
Preferably, the microcontroller is UM321x, the LCD driver is TM1621_c41326, and the LCD Display screen chip is XF0911_display.
Preferably, the bluetooth WIFI transmission circuit include bluetooth WIFI chip U1 and first field effect transistor Q1 that the model is WIFI_BLE_WBR3, bluetooth WIFI chip U1 ' S8 feet are connected to first field effect transistor Q1 ' S D foot, and +3.3V supply voltage is connected to first field effect transistor Q1 ' S S foot, microcontroller ' S I/0 mouth is connected through fifth resistance R5 to first field effect transistor Q1 ' S G foot, is connected with third resistance R3 between first field effect transistor Q1 ' S S foot and the D foot, and first field effect transistor Q1 ' S S foot and G foot are connected fourth resistance R4, and microcontroller ' S TXD and RXD foot are connected through a resistance respectively to bluetooth WIFI chip U1 ' S TXD and RXD foot.
Preferably, the audible and visual alarm circuit includes a third NPN triode Q3, a twentieth resistor R20, a twenty-third resistor R23, a second diode D2, and a buzzer B1, wherein a base electrode of the third NPN triode Q3 is connected with an I/0 port of the microcontroller through the twentieth resistor R20, a collector electrode of the third NPN triode Q3 is connected with an anode of the second diode D2, a cathode of the second diode D2 is connected with +3.3v power supply voltage, the buzzer B1 is connected in parallel with the second diode D2, an emitter electrode of the third NPN triode Q3 is connected with a ground terminal GND, and the twenty-third resistor R23 is connected between the base electrode and the emitter electrode of the third NPN triode Q3.
Preferably, the temperature detecting circuit and the reset circuit are electrically connected with the microcontroller.
Preferably, the touch key circuit is electrically connected with the microcontroller, and comprises an SC09B key chip U4 and a peripheral circuit.
Compared with the prior art, the utility model has the beneficial effects that: adopt finished product module i.e. bluetooth WIFI transmission circuit in this circuit, this bluetooth WIFI transmission circuit adopts UART communication with microcontroller, upload the cell-phone APP with the equipment data, APP is uploading the server through cellular data, just so can realize APP remote control, this bluetooth WIFI transmission circuit still supports WIFI function simultaneously, as long as available WIFI has been connected to the equipment, cell-phone APP can realize the transmission of no distance, BL_PWR_EN pin is connected with microcontroller and is used for controlling bluetooth WIFI transmission circuit's power simultaneously, mainly realize low-power consumption control, whole circuit simple structure moreover, the circuit output is stable.
Drawings
FIG. 1 is a schematic circuit diagram of a microcontroller according to the present utility model;
FIG. 2 is a schematic circuit diagram of an LCD display unit;
fig. 3 is a schematic circuit diagram of a bluetooth WIFI transmission circuit;
FIG. 4 is a schematic circuit diagram of an infrared communication and alarm circuit;
FIG. 5 is a schematic circuit diagram of a temperature sensing circuit;
FIG. 6 is a schematic circuit diagram of a reset circuit;
FIG. 7 is a schematic circuit diagram of a touch key circuit;
fig. 8 is a schematic circuit diagram of a power supply circuit.
In the figure: the device comprises an LCD display unit 1, a microcontroller 2, an LCD driver 3, an LCD display screen chip 4, an LCD backlight driving circuit 5, a Bluetooth WIFI transmission circuit 6, an infrared communication and alarm circuit 7, an infrared receiver 8, an audible and visual alarm circuit 9, a temperature detection circuit 10, a reset circuit 11 and a touch key circuit 12.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
Referring to fig. 1-8, an embodiment of the present utility model is provided: the utility model provides an air conditioner LCD display circuit, includes LCD display element 1 and microcontroller 2, LCD display element 1 include LCD driver 3, LCD display screen chip 4 and LCD backlight drive circuit 5, microcontroller 2 and LCD display element 1 electricity be connected, its characterized in that: still include with microcontroller 2 adopt UART communication connection's bluetooth WIFI transmission circuit 6 and with microcontroller 2 electrically connected's infrared ray communication and alarm circuit 7, bluetooth WIFI transmission circuit 6 is used for uploading the equipment data to cell-phone APP, realizes APP remote control, when connecting WIFI simultaneously, cell-phone APP can realize the data transmission of no distance, infrared ray communication and alarm circuit 7 include the infrared receiver 8 and be used for prompting system unusual audible-visual alarm circuit 9 of infrared ray remote controller signal remote control connection with external.
Adopt finished product module i.e. bluetooth WIFI transmission circuit 6 in this circuit, this bluetooth WIFI transmission circuit 6 adopts UART communication with microcontroller 2, upload the cell-phone APP with equipment data, APP is uploading the server through cellular data, just so can realize APP remote control, this bluetooth WIFI transmission circuit 6 still supports WIFI function simultaneously, as long as available WIFI has been connected to the equipment, cell-phone APP can realize the transmission of no distance, BL_PWR_EN pin is connected with microcontroller 2 and is used for controlling bluetooth WIFI transmission circuit's power simultaneously, mainly realize low-power consumption control, whole circuit structure is simple moreover, the circuit output is stable.
As shown in fig. 8, the latter stage is equipped with a power supply circuit for providing the power supply system of the device, since the microcontroller supplies 3.3V, the input voltage +12v needs to be converted to 3.3V.
Preferably, the type of the microcontroller 2 is UM321x, the type of the LCD driver 3 is TM1621_c41326, and the type of the LCD Display screen chip 4 is XF0911_display.
Preferably, the bluetooth WIFI transmission circuit 6 includes bluetooth WIFI chip U1 and first field effect tube Q1 that the model is wifi_ble_wbr3, bluetooth WIFI chip U1 ' S8 feet are connected to first field effect tube Q1 ' S D foot, and +3.3v supply voltage is connected to first field effect tube Q1 ' S S foot, microcontroller 2 ' S I/0 mouth is connected through fifth resistance R5 to first field effect tube Q1 ' S G foot, is connected with third resistance R3 between first field effect tube Q1 ' S S foot and the D foot, and fourth resistance R4 is connected to first field effect tube Q1 ' S S foot and G foot, and microcontroller 2 ' S TXD and RXD foot are connected through a resistance respectively to bluetooth WIFI chip U1 ' S TXD and RXD foot.
Preferably, the audible and visual alarm circuit 9 includes a third NPN triode Q3, a twentieth resistor R20, a twenty-third resistor R23, a second diode D2, and a buzzer B1, where a base of the third NPN triode Q3 is connected to an I/0 port of the microcontroller 2 through the twentieth resistor R20, a collector of the third NPN triode Q3 is connected to an anode of the second diode D2, a negative electrode of the second diode D2 is connected to +3.3v supply voltage, the buzzer B1 is connected in parallel to the second diode D2, an emitter of the third NPN triode Q3 is connected to a ground terminal GND, and the base and the emitter of the third NPN triode Q3 are connected to the twenty-third resistor R23, in this circuit, the HS0038 device is an infrared receiver, and an external infrared remote controller is also configured, so that remote control in 30m can be realized, and in addition, the alarm system is formed by prompting that the third triode Q3 with the signal MBB5551 and the buzzer HYE-03 is a fault prompting system.
Preferably, the temperature detecting circuit 10 and the reset circuit 11 are further electrically connected with the microcontroller 2, the temperature detecting circuit 10 is arranged to monitor the surrounding temperature, and the reset circuit 11 is arranged to reset data when faults occur.
Preferably, the touch key circuit 12 is electrically connected with the microcontroller 2, the touch key circuit 12 comprises an SC09B key chip U4 and a peripheral circuit, touch operation is realized by arranging the touch key circuit 12, 9 paths of touch keys are supported on the LCD display unit 1, and functions of equipment state adjustment, on-off key, air quantity adjustment key, working mode switching and the like can be realized.
Claims (6)
1. The utility model provides an air conditioner LCD display circuit, includes LCD display element (1) and microcontroller (2), LCD display element (1) include LCD driver (3), LCD display screen chip (4) and LCD backlight drive circuit (5), microcontroller (2) be connected its characterized in that with LCD display element (1) electricity: still include with microcontroller (2) adopt UART communication connection's bluetooth WIFI transmission circuit (6) and with microcontroller (2) electrically connected's infrared ray communication and alarm circuit (7), bluetooth WIFI transmission circuit (6) are used for uploading the equipment data to cell-phone APP, realize APP remote control, when connecting WIFI simultaneously, cell-phone APP can realize the data transmission of no distance, infrared ray communication and alarm circuit (7) include infrared receiver (8) and be used for prompting system unusual audible-visual alarm circuit (9) with external infrared remote control signal remote control connection.
2. The LCD display circuit of claim 1, wherein: the model of the microcontroller (2) is UM321x, the model of the LCD driver (3) is TM1621_C41326, and the model of the LCD Display screen chip (4) is XF0911_Display.
3. The LCD display circuit of claim 2, wherein: bluetooth WIFI transmission circuit (6) including model be bluetooth WIFI chip (U1) and first field effect tube (Q1) of WIFI_BLE_WBR3, 8 feet of bluetooth WIFI chip (U1) are connected to the D foot of first field effect tube (Q1), +3.3V supply voltage is connected to the S foot of first field effect tube (Q1), the I/0 mouth of microcontroller (2) is connected through fifth resistance (R5) to the G foot of first field effect tube (Q1), is connected with third resistance (R3) between the S foot and the D foot of first field effect tube (Q1), and fourth resistance (R4) are connected to the S foot and the G foot of first field effect tube (Q1), and TXD and RXD foot of bluetooth WIFI chip (U1) are respectively through TXD and RXD foot of a resistance connection microcontroller (2).
4. An air conditioner LCD display circuit according to claim 3, wherein: the audible and visual alarm circuit (9) include third NPN triode (Q3), twentieth resistance (R20), twenty-third resistance (R23), second diode (D2) and bee calling organ (B1), the I/0 mouth of microcontroller (2) is connected through twentieth resistance (R20) to the base of third NPN triode (Q3), the positive pole of second diode (D2) is connected to the collecting electrode of third NPN triode (Q3), +3.3V supply voltage is connected to the negative pole of second diode (D2), bee calling organ (B1) is parallelly connected on second diode (D2), ground connection GND is connected to the projecting pole of third NPN triode (Q3), be connected with between base and the projecting pole of third NPN triode (Q3) twenty-third resistance (R23).
5. The LCD display circuit of claim 4, wherein: the temperature detecting circuit (10) and the reset circuit (11) are electrically connected with the microcontroller (2).
6. The LCD display circuit of claim 5, wherein: the touch key circuit (12) is electrically connected with the microcontroller (2), and the touch key circuit (12) comprises an SC09B key chip (U4) and a peripheral circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321344372.7U CN219868383U (en) | 2023-05-29 | 2023-05-29 | LCD display circuit of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321344372.7U CN219868383U (en) | 2023-05-29 | 2023-05-29 | LCD display circuit of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219868383U true CN219868383U (en) | 2023-10-20 |
Family
ID=88341367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321344372.7U Active CN219868383U (en) | 2023-05-29 | 2023-05-29 | LCD display circuit of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219868383U (en) |
-
2023
- 2023-05-29 CN CN202321344372.7U patent/CN219868383U/en active Active
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