CN217817319U - Lora wireless intelligent air conditioner controller - Google Patents
Lora wireless intelligent air conditioner controller Download PDFInfo
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- CN217817319U CN217817319U CN202221208601.8U CN202221208601U CN217817319U CN 217817319 U CN217817319 U CN 217817319U CN 202221208601 U CN202221208601 U CN 202221208601U CN 217817319 U CN217817319 U CN 217817319U
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Abstract
The utility model discloses a Lora wireless intelligent air conditioner controller, which comprises an MCU unit, a power management unit, an infrared receiving and transmitting unit, a Lora wireless communication unit and a frequency point and mode selection unit; the infrared receiving and sending unit is not connected with an I/O port of the MCU, and the infrared receiving and sending unit is not used for communicating with the air conditioner; the Lora wireless communication unit is connected with an I/O port of the MCU unit and is communicated with the gateway; and the frequency point and mode selection module is connected with an I/O port of the MCU and is used for modifying the frequency point of the Lora wireless communication unit or switching the working mode of the air conditioner controller. The utility model provides a wireless intelligent air conditioner controller of Lora for the application efficiency that improves current station room air conditioning equipment, reduces the inconvenient part and numerous and diverse fortune dimension work scheduling problem that the air conditioner used, to high-efficient, the instant application of air conditioner in the room of standing, realizes the convenient effective control to ambient temperature.
Description
Technical Field
The utility model relates to a Lora wireless intelligent air conditioner controller.
Background
At present, along with the expansion of population and cities, the development of electric power utilities is also steadily promoted, the electricity consumption of cities is increased year by year, the demand of urban power grid transformation is continuously expanded, and more transformer substations and distribution rooms are built in each large city.
The temperature plays an important role in the operation of the equipment, and the equipment has higher temperature due to internal loss during the operation of the power, so that the indoor environment temperature is greatly increased. If the ambient temperature is too high or the air mobility is poor, the heat of the equipment cannot be dispersed in time, and the equipment can be tripped due to overheating and even burnt out. Some electrical equipment such as electronic products like residual current operated protective devices, electronic type strapping table etc. receive temperature to influence greatly, can seriously influence the life of product when operation under high temperature, still can influence the stability of protector performance and the reliability of action and the accuracy of measurement, and reactive compensation capacitor, the fuse that operate under high temperature also can shorten the life-span, therefore the air conditioner is one of the facilities that relevant places such as distribution must be equipped with promptly.
The air conditioner control system has two modes, one is a body control mode, the other is a remote control mode, and the two modes of controlling the air conditioner can be operated by personnel on site, so that the operation and maintenance workload is greater.
Disclosure of Invention
The utility model aims to solve the technical problem that, overcome prior art's not enough, provide a wireless intelligent air conditioner controller of Lora, in order to improve current station room air conditioning equipment's application efficiency, reduce the inconvenient part and numerous and diverse fortune dimension work scheduling problem that the air conditioner used, to high-efficient, the instant application of air conditioner in the station room, realize the convenient effective control to ambient temperature.
In order to solve the technical problem, the technical scheme of the utility model is that:
a Lora wireless intelligent air conditioner controller comprises an MCU unit, a power management unit, an infrared receiving and transmitting unit, a Lora wireless communication unit and a frequency point and mode selection unit;
the infrared receiving and sending unit is not connected with an I/O port of the MCU, and the infrared receiving and sending unit is not used for communicating with the air conditioner;
the Lora wireless communication unit is connected with an I/O port of the MCU unit and is communicated with the gateway;
the frequency point and mode selection module is connected with an I/O port of the MCU and used for modifying the frequency point of the Lora wireless communication unit or switching the working mode of the air conditioner controller;
and the power management unit is used for supplying power to the Lora wireless intelligent air conditioner controller.
Further, the Lora wireless intelligent air conditioner controller further comprises a state indicating unit, wherein the state indicating unit is connected with an I/O port of the MCU unit and is used for indicating the running states of the power supply and the controller.
Further, the MCU unit comprises a microprocessor U2, and the model of the microprocessor U2 is STM32F103C8T6.
Further, the infrared receiving and sending unit comprises an infrared transmitting tube DL1, an infrared transmitting tube DL2, a triode Q101, an infrared receiving unit P2, a resistor R8, a resistor R25 and a resistor R26, wherein a pin 2 of the infrared receiving unit P2 is connected with a power VCC through the resistors R25 and R26, a pin 3 of the infrared receiving unit P2 is connected with GND, and a pin 1 of the infrared receiving unit P2 is connected with a pin 10 of the microprocessor U2;
the positive pole of infrared transmitting tube DL1 passes through resistance R101 and connects the power VCC, infrared transmitting tube DL 2's positive pole passes through resistance R102 and connects the power VCC, infrared transmitting tube DL 1's negative pole and infrared transmitting tube DL 2's negative pole all are connected to triode Q101's collecting electrode, microprocessor U2's 32 feet are connected to triode Q101's base, triode Q101's projecting pole ground connection.
Further, lora wireless communication unit includes Lora wireless chip U1, microprocessor U2's 30 feet are connected to Lora wireless chip U1's 5 feet, microprocessor U2's 31 feet are connected to Lora wireless chip U1's 6 feet, GND is connected to Lora wireless chip U1's 9 feet, the power VCC is connected to Lora wireless chip U1's 10 feet.
Further, the frequency point and mode selection unit comprises a dial switch S1, a resistor exclusion RP1 and a resistor exclusion RP2, pins 9-16 of the dial switch S1 are all connected with GND, pins 1-8 of the dial switch S1 are respectively connected with a microprocessor U2, pins 5-8 of the dial switch S1 are all connected with VCC through the resistor exclusion RP1, and pins 1-4 of the dial switch S1 are all connected with VCC through the resistor exclusion RP 1.
By adopting the technical scheme, the utility model discloses utilize Lora wireless communication technique, with the distribution auxiliary control system communicate, after receiving remote control command, through the realization of the corresponding function of infrared microwave control air conditioner; and simultaneously the utility model discloses can feed back the current running state of air conditioner to the system, the managers of being convenient for masters the real-time of on-the-spot air conditioner current situation. And simultaneously, the utility model discloses have coordinated control's function, according to the ambient temperature information of other equipment feedbacks of system, open the air conditioner through the automatic linkage of Lora wireless communication, realize the most genuine autonomous operation, unmanned on duty.
The brand and the model of the air conditioner for the configuration of different places are different, the utility model discloses possess the automatic learning function, through studying, can realize matcing the infrared remote control instruction of this air conditioner, be applicable to most air conditioning equipment in the market. The control instruction of the air conditioner is an instruction of a combined mode, namely parameters such as starting, refrigerating, heating, temperature, wind direction and wind power are configured in one instruction, so that the air conditioner has rich functions and is simple to operate. The utility model discloses a wireless communication unit has made things convenient for the site erection construction, has reduced use cost, the utility model discloses powerful can easily satisfy user's demand.
Drawings
Fig. 1 is a schematic block diagram of the Lora wireless intelligent air conditioner controller of the present invention;
fig. 2 is a schematic circuit diagram of the microprocessor of the present invention;
fig. 3 is a schematic circuit diagram of the power management unit of the present invention;
fig. 4 is a schematic circuit diagram of the status indication unit of the present invention;
fig. 5 is a schematic circuit diagram of the Lora wireless communication unit of the present invention;
fig. 6 is a schematic circuit diagram of the infrared receiving and transmitting unit of the present invention;
fig. 7 is a schematic circuit diagram of the frequency point and mode selection unit of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1, the present embodiment provides a Lora wireless intelligent air conditioner controller, which includes an MCU unit, a power management unit, an infrared receiving and transmitting unit, a Lora wireless communication unit, a frequency point and mode selection unit, and a status indication unit.
The infrared receiving and transmitting unit is not connected with an I/O port of the MCU unit, and the infrared receiving and transmitting unit is not used for communicating with the air conditioner and can carry out infrared remote control on the air conditioner.
The Lora wireless communication unit is connected with the I/O port of the MCU, the Lora wireless communication unit is connected with the MCU, the Lora wireless communication unit is communicated with the gateway through 470M frequency band wireless signals, a frequency hopping mode is supported, and wireless communication in a station is achieved.
The frequency point and mode selection module is connected with an I/O port of the MCU and used for modifying the frequency point of the Lora wireless communication unit or switching the working mode of the air conditioner controller;
and the power management unit is used for supplying power to the Lora wireless intelligent air conditioner controller.
As shown in fig. 2, the MCU unit includes a microprocessor U2, a crystal oscillator and a reset circuit, the microprocessor U2 selects an STM32F103 series, adopts 3.3V power supply, is equipped with 37I/O interfaces, is externally provided with a crystal oscillator and a reset circuit, an independent watchdog, etc., and is easier to implement in function expansion, and the I/O interface of the microprocessor U1 is respectively connected with an infrared receiving and transmitting unit, a Lora wireless communication unit, a frequency point and mode selection unit, and a status indication unit.
As shown in fig. 1, the status indication unit is connected to the I/O port of the MCU unit, and the status indication unit is used to indicate the power supply and the controller operating status. As shown in fig. 4, the indicator light D1 is a power indicator light, and the indicator light D2 is a controller operation indicator light.
Specifically, in this embodiment, the microprocessor U2 is used as an infrared transmitting encoding and receiving decoding chip, as shown in fig. 6, the infrared receiving and transmitting unit includes an infrared transmitting tube DL1, an infrared transmitting tube DL2, a triode Q101, an infrared receiving unit P2, a resistor R8, a resistor R25, and a resistor R26, pin 2 of the infrared receiving unit P2 is connected to the power VCC through resistors R25 and R26, pin 3 of the infrared receiving unit P2 is connected to GND, power interference is reduced through 330 Ω resistors R25 and R26, and pin 1 of the infrared receiving unit P2 is connected to pin 10 of the microprocessor U2;
the positive pole of infrared emission tube DL1 passes through 10k resistance R101 and connects the power VCC, and the positive pole of infrared emission tube DL2 passes through 10k resistance R102 and connects the power VCC, and the negative pole of infrared emission tube DL1 and the negative pole of infrared emission tube DL2 all connect the collecting electrode of receiving triode Q101, and the 32 feet of microprocessor U2 are connected to the base of triode Q101, and the projecting pole of triode Q101 is ground. Microprocessor U2 sends the code signal, through triode Q101 amplification back, is sent the signal by infrared emitting diode DL1 and DL2, sets up two infrared emitting diodes, increases the induction area, and a plurality of light paths prevent the dead angle.
Specifically, as shown in fig. 5, the Lora wireless communication unit of the embodiment includes a Lora wireless chip U1, the Lora wireless chip U1 adopts an M-G20 module, a pin 5 of the Lora wireless chip U1 is connected to a pin 30 of the microprocessor U2, a pin 6 of the Lora wireless chip U1 is connected to a pin 31 of the microprocessor U2, a pin 9 of the Lora wireless chip U1 is connected to GND, and a pin 10 of the Lora wireless chip U1 is connected to the power VCC.
Specifically, as shown in fig. 7, the frequency point and mode selection unit of this embodiment includes a dial switch S1, a resistor RP1, and a resistor RP2, pins 9 to 16 of the dial switch S1 are all connected to GND, pins 1 to 8 of the dial switch S1 are respectively connected to a microprocessor U2, pins 5 to 8 of the dial switch S1 are all connected to VCC through the resistor RP1, and pins 1 to 4 of the dial switch S1 are all connected to VCC through the resistor RP 1. By dialing the dial switch, the frequency point of the Lora wireless communication unit can be modified or the working mode of the air conditioner controller can be switched. For example: the automatic learning mode of the air conditioner controller can be opened by dialing the first bit 1 of the dial switch. And when the second bit 2 of the dial switch is turned on, the learning command test mode of the air conditioner controller can be started. When the third position 3, the fourth position 4, the fifth position 5 of dial switch are stirred, can adjust the frequency point that Lora wireless communication unit corresponds, and Lora wireless communication unit communicates through 470M frequency channel radio signal and gateway in this embodiment, through the setting to the frequency point, realizes a pair of no error communication connection between Lora wireless communication unit and the gateway.
Specifically, as shown in fig. 3, the power management circuit of this embodiment employs a power module DCDC1 with model number WRA2405CS-3W, the input terminal is wide voltage input, the front end uses a TVS diode with model number sa5.0a for input protection, and uses an electrolytic capacitor with model number 100uF/25V and a 4.7uH power inductor as preliminary filtering.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a wireless intelligent air conditioner controller of Lora which characterized in that: the device comprises an MCU unit, a power management unit, an infrared receiving and transmitting unit, a Lora wireless communication unit and a frequency point and mode selection unit;
the infrared receiving and sending unit is not connected with an I/O port of the MCU, and the infrared receiving and sending unit is not used for communicating with the air conditioner;
the Lora wireless communication unit is connected with an I/O port of the MCU, and communicates with the gateway;
the frequency point and mode selection module is connected with an I/O port of the MCU and used for modifying the frequency point of the Lora wireless communication unit or switching the working mode of the air conditioner controller;
and the power management unit is used for supplying power to the Lora wireless intelligent air conditioner controller.
2. The Lora wireless intelligent air conditioner controller of claim 1, wherein: the power supply controller further comprises a state indicating unit, wherein the state indicating unit is connected with the I/O port of the MCU and is used for indicating the running states of the power supply and the controller.
3. The Lora wireless intelligent air conditioner controller according to claim 1, wherein: the MCU unit comprises a microprocessor U2, and the model of the microprocessor U2 is STM32F103C8T6.
4. The Lora wireless intelligent air conditioner controller according to claim 3, wherein: the infrared receiving and sending unit comprises an infrared transmitting tube DL1, an infrared transmitting tube DL2, a triode Q101, an infrared receiving unit P2, a resistor R8, a resistor R25 and a resistor R26, wherein a pin 2 of the infrared receiving unit P2 is connected with a power supply VCC through the resistors R25 and R26, a pin 3 of the infrared receiving unit P2 is connected with GND, and a pin 1 of the infrared receiving unit P2 is connected with a pin 10 of a microprocessor U2;
the positive pole of infrared emission tube DL1 passes through resistance R101 and connects the power VCC, the positive pole of infrared emission tube DL2 passes through resistance R102 and connects the power VCC, the negative pole of infrared emission tube DL1 and infrared emission tube DL 2's negative pole all are connected to triode Q101's collecting electrode, microprocessor U2's 32 feet are connected to triode Q101's base, triode Q101's projecting pole ground connection.
5. The Lora wireless intelligent air conditioner controller of claim 3, wherein: the Lora wireless communication unit includes the Lora wireless chip U1, microprocessor U2's 30 feet are connected to the 5 feet of the Lora wireless chip U1, microprocessor U2's 31 feet are connected to the 6 feet of the Lora wireless chip U1, GND is connected to the 9 feet of the Lora wireless chip U1, the power VCC is connected to the 10 feet of the Lora wireless chip U1.
6. The Lora wireless intelligent air conditioner controller of claim 3, wherein: the frequency point and mode selection unit comprises a dial switch S1, an exclusion RP1 and an exclusion RP2, wherein 9-pin to 16-pin of the dial switch S1 are connected with GND, 1-pin to 8-pin of the dial switch S1 are connected with a microprocessor U2 respectively, 5-pin to 8-pin of the dial switch S1 are connected with VCC through the exclusion RP1, and 1-pin to 4-pin of the dial switch S1 are connected with VCC through the exclusion RP 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221208601.8U CN217817319U (en) | 2022-05-18 | 2022-05-18 | Lora wireless intelligent air conditioner controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221208601.8U CN217817319U (en) | 2022-05-18 | 2022-05-18 | Lora wireless intelligent air conditioner controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217817319U true CN217817319U (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221208601.8U Active CN217817319U (en) | 2022-05-18 | 2022-05-18 | Lora wireless intelligent air conditioner controller |
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| Country | Link |
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| CN (1) | CN217817319U (en) |
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2022
- 2022-05-18 CN CN202221208601.8U patent/CN217817319U/en active Active
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