CN210772670U - Air conditioner remote controller chip circuit and remote controller - Google Patents
Air conditioner remote controller chip circuit and remote controller Download PDFInfo
- Publication number
- CN210772670U CN210772670U CN201921600519.8U CN201921600519U CN210772670U CN 210772670 U CN210772670 U CN 210772670U CN 201921600519 U CN201921600519 U CN 201921600519U CN 210772670 U CN210772670 U CN 210772670U
- Authority
- CN
- China
- Prior art keywords
- unit
- resistor
- central control
- remote controller
- control unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Selective Calling Equipment (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The utility model provides an air conditioner remote controller chip circuit and remote controller, it is connected with singlechip crystal oscillator on central control unit, infrared drive unit is connected with central control unit, be provided with infrared output interface on the infrared drive unit, key drive unit connects on central control unit, be provided with the button input interface on the key drive unit, the temperature matching unit is connected on central control unit, be provided with the temperature input interface on the temperature matching unit, the RF unit is connected with central control unit, be connected with the RF crystal oscillator on the RF unit, the RF unit is provided with the antenna interface that is used for being connected with the RF antenna, be equipped with the power input interface that is used for being connected with external power supply on the power supply unit. The utility model discloses an air conditioner remote controller detects the temperature and transmits for the air conditioner through RF transmission unit, adjusts the air conditioner temperature, because the remote controller is usually at the user's side, it detects the temperature and comparatively is close with user's body temperature, lets the result of use better.
Description
Technical Field
The utility model discloses a remote controller chip, especially an air conditioner remote controller chip circuit and remote controller.
Background
Air conditioners (Air conditioners) are Air conditioners. The device is used for manually regulating and controlling parameters such as temperature, humidity, flow rate and the like of ambient air in a building or a structure.
Most of air conditioners in the prior art adopt a remote controller to control the air conditioners, and the remote controller can control the on-off, working mode, temperature setting and the like of the air conditioners. The existing air conditioner has higher intelligent degree, when the temperature detected by the air conditioner reaches the set temperature, the air conditioner can automatically stop and shift to a standby working state, so as to achieve the purpose of saving electricity. However, the existing air conditioner detects the temperature by means of body detection, that is, a temperature sensor is arranged in the air conditioner body, that is, the temperature detected by the air conditioner is the temperature near the air conditioner body, and a user is usually far away from the air conditioner body, so that the difference between the sensible temperature and the air conditioner detected temperature is large, and a lot of troubles are brought to the use.
Disclosure of Invention
The air conditioner among the prior art who mentions to the aforesaid detects the shortcoming that temperature and user's experience have very big difference, the utility model provides an air conditioner remote controller chip circuit and remote controller, it can adopt the air conditioner remote controller piece to detect the temperature and transmit for the air conditioner through RF transmission unit, adjusts the air conditioner temperature.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an air conditioner remote controller chip circuit, the circuit includes central control unit, infrared drive unit, the button drive unit, the temperature matching unit, RF unit and electrical unit, be connected with singlechip crystal oscillator on the central control unit, infrared drive unit is connected with the central control unit, be provided with infrared output interface on the infrared drive unit, the button drive unit is connected on the central control unit, be provided with button input interface on the button drive unit, the temperature matching unit is connected on the central control unit, be provided with temperature input interface on the temperature matching unit, the RF unit is connected with the central control unit, be connected with the RF crystal oscillator on the RF unit, the RF unit is provided with the antenna interface that is used for being connected with the RF antenna, be equipped with the power input interface that is used for being connected with external power supply on the electrical unit.
A remote controller comprises an air conditioner remote controller chip, a battery, keys, an infrared LED, a thermistor and an RF antenna, wherein the battery is connected to a power input interface of the remote controller chip, the keys are connected to a key input interface of the remote controller chip, the infrared LED is connected to an infrared output interface, the thermistor is connected to a temperature input interface of the remote controller chip, and the RF antenna is connected to an antenna interface of an RF unit.
The utility model provides a technical scheme that its technical problem adopted further still includes:
the data input and output interfaces of the RF unit are respectively connected with the central control unit, the channel selection interface of the RF unit is connected with the central control unit, the transmitting/receiving control interface of the RF unit is connected with the central control unit, and the power-saving mode interface of the RF unit is connected with the central control unit.
The temperature matching unit comprises an amplifier U3, a matching resistor R12, a resistor R13 and a resistor R14, wherein the resistor R13 and the resistor R14 are connected between a positive power supply and the ground in series, the common end of the resistor R13 and the resistor R14 is connected to the inverting input end of the amplifier U3, the matching resistor R12 and the temperature input interface are connected between the positive power supply and the ground in series, the common end of the matching resistor R12 and the temperature input interface is connected to the non-inverting input end of the amplifier U3, and the output end of the amplifier U3 is connected to a data interface of the MCU.
The key driving unit is provided with 4 driving input lines and 8 driving output lines, and the 4 driving input lines are respectively connected with a positive power supply through pull-up resistors.
The infrared driving unit comprises a triode Q1, a current-limiting resistor R5 and a current-limiting resistor R6, the base electrode of the triode Q1 is connected with a data pin of the MCU through the current-limiting resistor R5, the emitting electrode of the triode Q1 is grounded, the collector electrode of the triode Q1 is used as an infrared output interface of the infrared driving unit, and the current-limiting resistor R6 is connected between the collector electrode of the triode Q1 and the infrared output interface in series.
The central control unit is connected with a reset unit, the reset unit comprises a key reset unit and a watchdog unit, the key reset unit comprises a reset key interface and a resistor R11, the reset key interface and the resistor R11 are connected between a positive power supply and the ground in series, a capacitor C5 is connected with the reset key interface in parallel, a resistor R12 is connected with the resistor R11 in parallel, a capacitor C5 and a resistor R12 form a power-on reset unit, a GND port of the watchdog unit is grounded, an MR port and a WDO port of the watchdog chip are in short circuit, a RST end of the watchdog chip is connected with a RST port of the central control unit, a WDI port of the watchdog chip is connected with an I/O port of the central control unit, a PFO port of the watchdog chip is connected with an external interrupt interface of the central control unit, a PFI port of the watchdog chip is connected with a voltage dividing resistor network, the voltage dividing resistor network comprises a resistor R13 and a resistor R14 which are connected between the positive power supply and the ground, the PFI port of the watchdog chip is connected to the common terminal of resistor R13 and resistor R14.
The central control unit is connected with a liquid crystal driving module which is used for being connected with an external liquid crystal screen.
The display driving unit is connected to the central control unit and comprises a triode Q2, a current-limiting resistor R7 and a current-limiting resistor R8, the base electrode of the triode Q2 is connected with one data pin of the central control unit through the current-limiting resistor R7, the emitting electrode of the triode Q2 is grounded, the collector electrode of the triode Q2 serves as an LED output interface of the display driving unit, and the collector electrode of the triode Q2 and the LED output interface are connected with the current-limiting resistor R8 in series.
The central control unit is connected with a buzzer driving unit, the buzzer driving unit comprises a triode Q3, a current-limiting resistor R9 and a current-limiting resistor R10, the base electrode of the triode Q3 is connected with a data pin of the MCU through the current-limiting resistor R9, the emitting electrode of the triode Q3 is grounded, the collector electrode of the triode Q3 serves as a buzzer output interface of the buzzer driving unit, and the current-limiting resistor R10 is connected between the collector electrode of the triode Q3 and the buzzer output interface in series.
The utility model has the advantages that: the utility model discloses an air conditioner remote controller detects the temperature and transmits for the air conditioner through RF transmission unit, adjusts the air conditioner temperature, because the remote controller is usually at the user's side, it detects the temperature and comparatively is close with user's body temperature, lets the result of use better.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
Fig. 1 is a block diagram of the circuit of the present invention.
Fig. 2 is a schematic circuit diagram of a part of the central control unit of the present invention.
Fig. 3 is a schematic diagram of a part of the RF unit circuit according to the present invention.
Fig. 4 is a schematic diagram of the interface part circuit according to the present invention.
Detailed Description
The embodiment is a preferred embodiment of the present invention, and other principles and basic structures are the same as or similar to those of the embodiment, and are within the protection scope of the present invention.
Please refer to fig. 1 to 4 in combination, the present invention is a chip circuit of an air conditioner remote controller, which is an equivalent circuit inside a remote controller chip, and the circuit mainly includes a central control unit, an infrared driving unit, a key driving unit, a temperature matching unit, an RF unit and a power supply unit, wherein the central control unit is connected with a single chip crystal oscillator, the infrared driving unit is connected with the central control unit for receiving an infrared remote control signal output by the central control unit, the infrared driving unit is provided with an infrared output interface for connecting an infrared LED, the key driving unit is connected with the central control unit, the key driving unit is provided with a key input interface for connecting with a keyboard for performing key input and inputting key information to the central control unit, the temperature matching unit is connected with the central control unit, and the temperature matching unit is provided with a temperature input interface, the utility model is used for connecting thermistor, carry out the temperature information input through thermistor, the RF unit is connected with the central control unit, carries out data communication, is connected with the RF crystal oscillator on the RF unit, is connected with the RF antenna on the antenna interface of RF unit, is equipped with power input interface on the electrical unit for be connected with external power supply, external power supply passes through the electrical unit and gives the utility model discloses the power supply.
In this embodiment, the central control unit is an MCU, and in this embodiment, a well-known 51-series MCU is taken as an example for description, and during specific implementation, an MCU with another structure may be used as the central control unit according to actual needs. The key drive unit adopts 4 the netted key layout mode of 8, 4 drive input lines promptly, 8 drive output lines, is connected with positive power supply through pull-up resistance on 4 drive input lines respectively, through the utility model discloses direct drive keyboard, drive output line are 4 the 8 network structure with the drive input line and distribute, and every node sets up a button.
In this embodiment, the infrared driving unit includes a transistor Q1, a current limiting resistor R5, and a current limiting resistor R6, a base of the transistor Q1 is connected to a data pin of the MCU through the current limiting resistor R5, an emitter of the transistor Q1 is grounded, a collector of the transistor Q1 is used as an infrared output interface of the infrared driving unit, and is connected to the infrared LED, and the current limiting resistor R6 is connected in series between the collector of the transistor Q1 and the infrared output interface.
In this embodiment, the temperature matching unit includes an amplifier U3, a matching resistor R12, a resistor R13 and a resistor R14, the resistor R13 and the resistor R14 are connected in series between the positive power supply and the ground, a common terminal of the resistor R13 and the resistor R14 is connected to an inverting input terminal of the amplifier U3, the matching resistor R12 is connected in series with the temperature input interface between the positive power supply and the ground, that is, the matching resistor R12 is connected in series with a thermistor PT connected to the temperature input interface between the positive power supply and the ground, a common terminal of the matching resistor R12 and the temperature input interface is connected to a non-inverting input terminal of the amplifier U3, an output terminal of the amplifying region U3 is connected to one data interface of the MCU, and the data interface of the MCU has an ADC conversion function, and can directly convert an output signal of the amplifier U3 into.
In this embodiment, the RF unit is an RF chip of nRF401, a data input/output interface of the RF unit is respectively connected to the central control unit for data communication, a channel selection interface of the RF unit is connected to the central control unit, the central control unit controls the RF unit to perform channel selection, a transmission/reception control interface of the RF unit is connected to the central control unit, the central control unit controls the RF unit to perform operation mode configuration, and a power saving mode interface of the RF unit is connected to the central control unit, and the central control unit controls the RF unit to perform power saving operation mode control.
In this embodiment, the central control unit is connected with a reset unit, the reset unit includes a key reset unit and a watchdog unit, in this embodiment, the key reset unit includes a reset key interface and a resistor R11, the reset key interface and the resistor R11 are connected in series between the positive power supply and the ground, a capacitor C5 is connected in parallel with the reset key interface, a resistor R12 is connected in parallel with the resistor R11, and the capacitor C5 and the resistor R12 form a power-on reset unit to perform power-on reset. In this embodiment, the watchdog unit is equivalent to a watchdog chip with a model MAX813L, and in a specific implementation, the watchdog unit may also be equivalent to other models of watchdog chips, a VCC port of the watchdog chip is connected to the positive power supply, a GND port of the watchdog chip is connected to a GND port, an MR port and a WDO port of the watchdog chip are shorted, a RST end of the watchdog chip is connected to a RST port of the central control unit, a WDI port of the watchdog chip is connected to an I/O port of the central control unit, in this embodiment, a WDI port of the watchdog chip is connected to a P2.4 port of the central control unit, a PFO port of the watchdog chip is connected to an external interrupt interface of the central control unit, in this embodiment, a PFO port of the watchdog chip is connected to an INT0 port of the central control unit, a PFI port of the watchdog chip is connected to a divider resistor network, and the divider resistor network includes a resistor R13 and a resistor R14 connected in series between the positive power supply and ground, the PFI port of the watchdog chip is connected to the common terminal of resistor R13 and resistor R14.
In this embodiment, the power supply unit employs a filter capacitor C5, and the filter capacitor C5 is connected between the positive power supply and the ground to filter spikes and the like of the input power supply.
In this embodiment, the central control unit is connected with a liquid crystal driving module, the liquid crystal driving module is equivalent to a liquid crystal driving chip with a 12864S model, and during specific implementation, the liquid crystal driving module can also be equivalent to liquid crystal driving chips with other models, and the liquid crystal driving module is provided with a liquid crystal interface for being connected with an external liquid crystal screen.
In this embodiment, the central control unit is connected to a display driving unit, the display driving unit includes a transistor Q2, a current limiting resistor R7, and a current limiting resistor R8, a base of the transistor Q2 is connected to a data pin of the MCU through the current limiting resistor R7, an emitter of the transistor Q2 is grounded, a collector of the transistor Q2 is used as an LED output interface of the display driving unit and is connected to the indication LED, and a collector of the transistor Q2 is connected to the LED output interface in series through the current limiting resistor R8.
In this embodiment, the central control unit is connected with a buzzer driving unit, the buzzer driving unit includes a triode Q3, a current limiting resistor R9 and a current limiting resistor R10, the base of the triode Q3 is connected with a data pin of the MCU through the current limiting resistor R9, the emitter of the triode Q3 is grounded, the collector of the triode Q3 is used as the buzzer output interface of the buzzer driving unit, and is used for being connected with an external buzzer, and the current limiting resistor R10 is connected in series between the collector of the triode Q3 and the buzzer output interface.
The utility model discloses protect a remote controller simultaneously, the remote controller includes above-mentioned air conditioner remote controller chip, a battery, the button, infrared LED, thermistor and RF antenna, the battery is connected on the power input interface of remote controller chip, the key-press connection is on the button input interface of remote controller chip, infrared LED connects on infrared output interface, thermistor connects on the temperature input interface of remote controller chip, RF antenna connection is on the antenna interface of RF unit.
In this embodiment, a liquid crystal screen is connected to a liquid crystal interface of the remote controller chip, an LED output interface of the remote controller chip is connected to an LED for indication, and a buzzer is connected to a buzzer output interface of the remote controller chip.
The utility model discloses an air conditioner remote controller detects the temperature and transmits for the air conditioner through RF transmission unit, adjusts the air conditioner temperature, because the remote controller is usually at the user's side, it detects the temperature and comparatively is close with user's body temperature, lets the result of use better.
Claims (10)
1. A chip circuit of an air conditioner remote controller is characterized in that: the circuit include central control unit, infrared drive unit, button drive unit, temperature matching unit, RF unit and electrical unit, the last singlechip crystal oscillator that is connected with of central control unit, infrared drive unit is connected with central control unit, be provided with infrared output interface on the infrared drive unit, button drive unit connects on central control unit, be provided with the button input interface on the button drive unit, the temperature matching unit is connected on central control unit, be provided with the temperature input interface on the temperature matching unit, the RF unit is connected with central control unit, be connected with the RF crystal oscillator on the RF unit, the RF unit is provided with the antenna interface that is used for being connected with the RF antenna, be equipped with the power input interface that is used for being connected with external power supply on the electrical unit.
2. The chip circuit of the air conditioner remote controller as claimed in claim 1, wherein: the data input and output interfaces of the RF unit are respectively connected with the central control unit, the channel selection interface of the RF unit is connected with the central control unit, the transmitting/receiving control interface of the RF unit is connected with the central control unit, and the power-saving mode interface of the RF unit is connected with the central control unit.
3. The chip circuit of the air conditioner remote controller as claimed in claim 1, wherein: the temperature matching unit comprises an amplifier U3, a matching resistor R12, a resistor R13 and a resistor R14, wherein the resistor R13 and the resistor R14 are connected between a positive power supply and the ground in series, the common end of the resistor R13 and the resistor R14 is connected to the inverting input end of the amplifier U3, the matching resistor R12 and the temperature input interface are connected between the positive power supply and the ground in series, the common end of the matching resistor R12 and the temperature input interface is connected to the non-inverting input end of the amplifier U3, and the output end of the amplifier U3 is connected to a data interface of the MCU.
4. The chip circuit of the air conditioner remote controller as claimed in claim 1, wherein: the key driving unit is provided with 4 driving input lines and 8 driving output lines, and the 4 driving input lines are respectively connected with a positive power supply through pull-up resistors.
5. The chip circuit of the air conditioner remote controller as claimed in claim 1, wherein: the infrared driving unit comprises a triode Q1, a current-limiting resistor R5 and a current-limiting resistor R6, the base electrode of the triode Q1 is connected with a data pin of the MCU through the current-limiting resistor R5, the emitting electrode of the triode Q1 is grounded, the collector electrode of the triode Q1 is used as an infrared output interface of the infrared driving unit, and the current-limiting resistor R6 is connected between the collector electrode of the triode Q1 and the infrared output interface in series.
6. The chip circuit of the air conditioner remote controller as claimed in claim 1, wherein: the central control unit is connected with a reset unit, the reset unit comprises a key reset unit and a watchdog unit, the key reset unit comprises a reset key interface and a resistor R11, the reset key interface and the resistor R11 are connected between a positive power supply and the ground in series, a capacitor C5 is connected with the reset key interface in parallel, a resistor R12 is connected with the resistor R11 in parallel, a capacitor C5 and a resistor R12 form a power-on reset unit, a GND port of the watchdog unit is grounded, an MR port and a WDO port of the watchdog chip are in short circuit, a RST end of the watchdog chip is connected with a RST port of the central control unit, a WDI port of the watchdog chip is connected with an I/O port of the central control unit, a PFO port of the watchdog chip is connected with an external interrupt interface of the central control unit, a PFI port of the watchdog chip is connected with a voltage dividing resistor network, the voltage dividing resistor network comprises a resistor R13 and a resistor R14 which are connected between the positive power supply and the ground, the PFI port of the watchdog chip is connected to the common terminal of resistor R13 and resistor R14.
7. The chip circuit of the air conditioner remote controller as claimed in claim 1, wherein: the central control unit is connected with a liquid crystal driving module which is used for being connected with an external liquid crystal screen.
8. The chip circuit of the air conditioner remote controller as claimed in claim 1, wherein: the display driving unit is connected to the central control unit and comprises a triode Q2, a current-limiting resistor R7 and a current-limiting resistor R8, the base electrode of the triode Q2 is connected with one data pin of the central control unit through the current-limiting resistor R7, the emitting electrode of the triode Q2 is grounded, the collector electrode of the triode Q2 serves as an LED output interface of the display driving unit, and the collector electrode of the triode Q2 and the LED output interface are connected with the current-limiting resistor R8 in series.
9. The chip circuit of the air conditioner remote controller as claimed in claim 1, wherein: the central control unit is connected with a buzzer driving unit, the buzzer driving unit comprises a triode Q3, a current-limiting resistor R9 and a current-limiting resistor R10, the base electrode of the triode Q3 is connected with a data pin of the MCU through the current-limiting resistor R9, the emitting electrode of the triode Q3 is grounded, the collector electrode of the triode Q3 serves as a buzzer output interface of the buzzer driving unit, and the current-limiting resistor R10 is connected between the collector electrode of the triode Q3 and the buzzer output interface in series.
10. A remote controller is characterized in that: the remote controller comprises the air conditioner remote controller chip as claimed in any one of claims 1 to 9, a battery, a key, an infrared LED, a thermistor and an RF antenna, wherein the battery is connected to the power input interface of the remote controller chip, the key is connected to the key input interface of the remote controller chip, the infrared LED is connected to the infrared output interface, the thermistor is connected to the temperature input interface of the remote controller chip, and the RF antenna is connected to the antenna interface of the RF unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921600519.8U CN210772670U (en) | 2019-09-25 | 2019-09-25 | Air conditioner remote controller chip circuit and remote controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921600519.8U CN210772670U (en) | 2019-09-25 | 2019-09-25 | Air conditioner remote controller chip circuit and remote controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210772670U true CN210772670U (en) | 2020-06-16 |
Family
ID=71045277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921600519.8U Active CN210772670U (en) | 2019-09-25 | 2019-09-25 | Air conditioner remote controller chip circuit and remote controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210772670U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112885067A (en) * | 2021-01-21 | 2021-06-01 | 广东蓝水花智能电子有限公司 | Method and device for displaying number of paired remote controllers of automatic door |
-
2019
- 2019-09-25 CN CN201921600519.8U patent/CN210772670U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112885067A (en) * | 2021-01-21 | 2021-06-01 | 广东蓝水花智能电子有限公司 | Method and device for displaying number of paired remote controllers of automatic door |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8502414B2 (en) | Power saving apparatus and power saving method thereof | |
| CN210772670U (en) | Air conditioner remote controller chip circuit and remote controller | |
| CN104007672A (en) | Vibration rod with pressure control and control system thereof | |
| CN201222185Y (en) | Time type control fare register for central air conditioner | |
| CN208141374U (en) | A kind of intelligent switch function circuit device | |
| CN207019238U (en) | A kind of intelligent air condition monitoring device based on ZigBee mechanicss of communication | |
| CN210428809U (en) | Remote controller chip circuit with temperature detection function and remote controller | |
| CN212847692U (en) | Testing device for verifying eMMC and SD card | |
| CN106549273A (en) | A kind of smart jack | |
| CN205402937U (en) | Remote control's environmental conditioning system | |
| CN103307703A (en) | Temperature monitoring air-conditioning remote controller | |
| CN210891888U (en) | Warmer with frequency conversion control function | |
| CN211243312U (en) | Low-power consumption standby circuit and interpupillary distance meter | |
| CN210072020U (en) | Bluetooth device | |
| CN210777110U (en) | Multifunctional remote controller chip circuit and remote controller | |
| CN210320505U (en) | Air conditioner remote controller and air conditioner | |
| CN206401653U (en) | A kind of smart jack | |
| CN207270171U (en) | A kind of safety monitoring mattress based on pressure sensor | |
| CN208753676U (en) | A kind of wireless connection type wiring board with USB interface | |
| CN210428810U (en) | Remote controller chip circuit with key reset circuit and remote controller | |
| CN206819515U (en) | A kind of testing chamber for medicine stability warning device | |
| CN210777124U (en) | Remote controller chip circuit with internal boosting function and remote controller | |
| CN110836416A (en) | Temperature control device | |
| CN219868383U (en) | LCD display circuit of air conditioner | |
| CN102252365A (en) | Temperature auto-controlled electric heater with touch sensing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |