Remote load control terminal of air conditioner

Abstract

The utility model discloses a remote load control terminal of an air conditioner, and belongs to the technical field of air conditioner control. Comprising a filter, a power supply input end of the filter is connected with commercial power, a power supply output end of the filter is connected with a power supply input end of an AC-DC isolation power supply module, and a power supply output end of the AC-DC isolation power supply module is connected with a charge pump and a power supply input end of an MCU power supply module. The power supply output end of the MCU power supply module is simultaneously connected with the single chip microcomputer U1, the temperature and humidity acquisition unit, the human body infrared acquisition unit, the infrared signal transmitting unit and the off-line voice recognition unit, and the signal output end of the single chip microcomputer U1 is connected with the main control unit. According to the distance between the human body and the air conditioner, the air conditioner is controlled to be automatically turned on or turned off, energy is saved, environmental protection is achieved, the comfort level of a user is improved, and manual operation errors can be reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of air-conditioning control, and in particular relates to an air-conditioning remote load control terminal. Background Art

[0002] Air conditioning is a household appliance or industrial equipment used to control the temperature, humidity, cleanliness and air flow of indoor environment. Air conditioning can provide cooling, heating, ventilation and dehumidification functions to maintain a comfortable indoor environment.

[0003] Various models of household air conditioners currently sold on the market mostly require remote control or panel control when they need to be started. Even if they are combined with some automatic control modes such as mobile phones or voice, no matter which of the above control methods is used, additional operations are required to control the operating status of the air conditioner, which not only increases the operating steps, but also causes a waste of electricity resources if you forget to turn off the air conditioner when you leave. Utility Model Content

[0004] Purpose of the utility model: to provide an air conditioner remote load control terminal to solve the above problems existing in the prior art.

[0005] Technical solution: An air conditioner remote load control terminal comprises a filter, wherein a power supply input end of the filter is connected to the mains, a power supply output end of the filter is connected to a power supply input end of an AC-DC isolation power supply module, a power supply output end of the AC-DC isolation power supply module is connected to a charge pump and a power supply input end of an MCU power supply module, and a power supply output end of the MCU power supply module is simultaneously connected to a single-chip microcomputer U1, a temperature and humidity acquisition unit, a human infrared acquisition unit, an infrared signal transmitting unit and an offline voice recognition unit, a signal output end of the temperature and humidity acquisition unit is connected to a signal input end of the single-chip microcomputer U1, a signal output end of the human infrared acquisition unit is connected to a signal input end of the single-chip microcomputer U1, a signal output end of the infrared signal transmitting unit is connected to a signal input end of the single-chip microcomputer U1, a signal output end of the offline voice recognition unit is connected to a signal input end of the single-chip microcomputer U1, and a signal output end of the single-chip microcomputer U1 is connected to a main control unit. After the signals of the temperature and humidity acquisition unit, the human infrared acquisition unit, the infrared signal transmitting unit and the offline voice recognition unit are obtained by the single-chip microcomputer, the start and stop of the control unit are controlled by the single-chip microcomputer U1.

[0006] Preferably, the human body infrared acquisition unit includes an infrared sensor IR, a chip U2, an output delay subunit, a repeat trigger subunit, a peripheral protection subunit, a resistor R1, a resistor R2, a resistor R3, a resistor R8, a capacitor C4 and a capacitor C5, one end of the resistor R1 is connected to the power supply output end of the MCU power module, the other end of the R1 is simultaneously connected to one end of the capacitor C4 and the pin 1 of the infrared sensor IR, the other end of the capacitor C4 is grounded, one end of the resistor R2 is simultaneously connected to the pin 2 of the infrared sensor IR, the resistor R3 and the capacitor C5, the other end of the resistor R2 is simultaneously connected to the Pin 3 and capacitor C5 are grounded, the other end of the resistor R3 is connected to pin 14 of chip U2, the input end of the peripheral protection subunit is connected to pin 13 and pin 15 of chip U2, the output end of the peripheral protection subunit is connected to pin 12 and pin 16 of chip U2, the input end of the output delay subunit is connected to pin 4 of chip U2, the output end of the output delay subunit is connected to pin 3 of chip U2, the input end of the repeat trigger subunit is connected to pin 5 of chip U2, the output end of the repeat trigger subunit is connected to pin 5 of chip U2, and pin 1 of chip U2 is connected to microcontroller U1.

[0007] Preferably, the output delay subunit includes a resistor R11 and an adjustment resistor RW1, one end of the resistor R11 is connected to pin 3 of chip U2, the other end of the resistor R11 is connected to the adjustment resistor RW11, and the other end of the adjustment resistor RW11 is connected to pin 4 of chip U2.

[0008] Preferably, the repeated trigger subunit includes a resistor R12, a capacitor C12 and a capacitor C13, one end of the resistor R12 is connected to pin 6 of the chip U2, the other end of the resistor R12 is simultaneously connected to pin 5 of the chip U2 and the capacitor C13, the other end of the capacitor C13 is simultaneously connected to capacitor C12, pin 7 of the chip U2 and grounded, and the other end of the capacitor C12 is connected to the adjustment resistor RW1.

[0009] Preferably, the peripheral protection subunit includes resistor R4, resistor R5, resistor R6, resistor R7, thermistor NTC, capacitor C7, capacitor C8, capacitor C9 and capacitor C10, one end of the resistor R4 is connected to pin 16 of chip U2, and the other end is connected to pin 15 of chip U2, one end of capacitor C7 is connected to resistor R4 and resistor R6 at the same time, the other end of capacitor C7 is connected to resistor R4 and resistor R5 at the same time, one end of the thermistor NTC is connected to resistor R6, and the other end is connected to capacitor C10, the other end of capacitor C10 is connected to resistor R7 and pin 13 of chip U2 at the same time, the other end of the resistor R7 is connected to pin 12 of chip U2, one end of capacitor C9 is connected to capacitor R5 and capacitor C8 at the same time, and the other end of capacitor C9 is connected to capacitor C8 and grounded.

[0010] Preferably, the human body infrared collection unit also includes a voltage stabilizing subunit, which includes a connector CON1, a diode D1, a chip U3, a capacitor C1, a capacitor C2 and a capacitor C3. Pin 2 of the connector CON1 is connected to pin 2 of the chip U2, pin 1 of the connector CON1 is simultaneously the positive electrode of the diode D1 and the capacitor C1, the negative electrode of the diode D1 is connected to pin 1 of the chip U3, pin 2 of the chip U3 is simultaneously connected to capacitors C1, C2, and C3 and grounded, and pin 3 of the chip U3 is simultaneously connected to capacitors C2 and C3.

[0011] Beneficial effect: The utility model relates to an air-conditioning remote control terminal, which utilizes a human infrared acquisition unit to obtain mobile personnel around the air-conditioning. When the mobile personnel are within a predetermined distance range, the control unit is started with the cooperation of the human infrared acquisition unit and the chip U1, and when the mobile personnel always remain within the predetermined distance, the control unit always remains started. When the mobile personnel moves out of the predetermined distance, the control unit suspends operation within a predetermined time. In the absence of remote control or other operations, the air-conditioning is automatically turned on or off according to the distance between the human body and the air-conditioning. This not only saves energy, protects the environment, and improves user comfort, but also can reduce human operational errors. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a system block diagram of the utility model;

[0013] Figure 2 This is a partial circuit diagram of the human body infrared acquisition unit of the utility model

[0014] Figure 3 This is a circuit diagram of a voltage stabilizing subunit in a human body infrared acquisition unit of the utility model. DETAILED DESCRIPTION

[0015] like Figures 1 to 3As shown, the utility model provides a technical solution: an air conditioner remote load control terminal, including a filter, wherein the power supply input end of the filter is connected to the mains, and the power supply output end of the filter is connected to the power supply input end of the AC-DC isolation power supply module. Under the cooperation of the filter and the AC-DC isolation power supply module, three power supply modes of +5V / 500mA, -5V / 500mA and 3.3V are output, wherein the AC-DC isolation power supply module is connected to the charge pump to output +5V / 500mA, and the AC-DC isolation power supply module is connected to the MCU power supply module to output 3.3V voltage. The power supply output end of the MCU power supply module is simultaneously connected to the single-chip microcomputer U1, the temperature and humidity acquisition unit, the human infrared acquisition unit, the infrared signal transmission unit and the offline voice recognition unit. The signal output end of the temperature and humidity acquisition unit is connected to the signal input end of the single-chip microcomputer U1, the chip U1 adopts the ESP32 model chip, and the AI ​​voice module in the offline voice recognition unit adopts ASRPRO-CORE The voice processor as the core is connected to the chip U1 through the TTL serial port, and multiple words and sentences are configured in the AI ​​voice module to improve the recognition rate, so as to ensure the smooth use of the voice recognition function of the offline voice recognition unit. The signal output end of the human infrared acquisition unit is connected to the signal input end of the single-chip computer U1, the signal output end of the infrared signal transmitting unit is connected to the signal input end of the single-chip computer U1, the signal output end of the offline voice recognition unit is connected to the signal input end of the single-chip computer U1, and the signal output end of the single-chip computer U1 is connected to the main control unit. The temperature and humidity acquisition unit, the human infrared acquisition unit, and the infrared After receiving the signals from the signal transmitting unit and the offline voice recognition unit, the start and stop of the control unit is controlled by the single-chip computer U1. When a moving person appears within the preset distance, the control unit is started with the cooperation of the human infrared acquisition unit and the chip U1, and when the moving person always remains within the preset distance, the control unit always remains started. When the moving person moves out of the preset distance, the control unit suspends operation within the preset time. In the absence of remote control or other operations, the air conditioner is automatically turned on or off according to the distance between the human body and the air conditioner. This not only saves energy, is environmentally friendly, and improves user comfort, but also reduces human operational errors.

[0016] In a further embodiment, the human body infrared acquisition unit includes an infrared sensor IR, a chip U2, an output delay subunit, a repeat trigger subunit, a peripheral protection subunit, a voltage stabilization subunit, a resistor R1, a resistor R2, a resistor R3, a resistor R8, a capacitor C4 and a capacitor C5. The infrared sensor IR adopts a KP506B infrared sensor, and the chip U2 adopts a BISS0001 chip. One end of the resistor R1 is connected to the power supply output end of the MCU power module, and the other end of R1 is simultaneously connected to one end of the capacitor C4 and the pin 1 of the infrared sensor IR. The other end of the capacitor C4 is grounded, and one end of the resistor R2 is simultaneously connected to the pin 2 of the infrared sensor IR, the resistor R3 and the capacitor C5, the other end of the resistor R2 is connected to the pin 3 of the infrared sensor IR, the capacitor C5 and grounded, the other end of the resistor R3 is connected to the pin 14 of the chip U2, the input end of the peripheral protection subunit is connected to the pin 13 and pin 15 of the chip U2, the output end of the peripheral protection subunit is connected to the pin 12 and pin 16 of the chip U2, the input end of the output delay subunit is connected to the pin 4 of the chip U2, the output end of the output delay subunit is connected to the pin 3 of the chip U2, the input end of the repeat trigger subunit is connected to the pin 5 of the chip U2, the output end of the repeat trigger subunit is connected to the pin 5 of the chip U2, and the pin 1 of the chip U2 is connected to the single-chip computer U1, wherein the output delay subunit includes Resistor R11 and regulating resistor RW1, one end of the resistor R11 is connected to pin 3 of chip U2, the other end of the resistor R11 is connected to regulating resistor RW11, the other end of the regulating resistor RW11 is connected to pin 4 of chip U2, the repeated triggering subunit includes resistor R12, capacitor C12 and capacitor C13, one end of the resistor R12 is connected to pin 6 of chip U2, the other end of the resistor R12 is simultaneously connected to pin 5 of chip U2 and capacitor C13, the other end of the capacitor C13 is simultaneously connected to capacitor C12 and pin 7 of chip U2 and grounded, the other end of the capacitor C12 is connected to regulating resistor RW1, the peripheral protection subunit includes resistor R4, resistor R5, resistor R6, resistor R 7. Thermistor NTC, capacitor C7, capacitor C8, capacitor C9 and capacitor C10, one end of the resistor R4 is connected to pin 16 of chip U2, and the other end is connected to pin 15 of chip U2, one end of capacitor C7 is connected to resistor R4 and resistor R6 at the same time, the other end of capacitor C7 is connected to resistor R4 and resistor R5 at the same time, one end of thermistor NTC is connected to resistor R6, and the other end is connected to capacitor C10, the other end of capacitor C10 is connected to resistor R7 and pin 13 of chip U2 at the same time, the other end of resistor R7 is connected to pin 12 of chip U2, one end of capacitor C9 is connected to capacitor R5 and capacitor C8 at the same time, the other end of capacitor C9 is connected to capacitor C8 and grounded, the voltage stabilizing subunit includes connector CON1,, diode D1, chip U3, capacitor C1, capacitor C2 and capacitor C3, pin 2 of the connector CON1 is connected to pin 2 of chip U2, pin 1 of the connector CON1 is connected to the positive electrode of diode D1 and capacitor C1, the negative electrode of diode D1 is connected to pin 1 of chip U3, pin 2 of chip U3 is connected to capacitor C1, capacitor C2, capacitor C3 and grounded, and pin 3 of chip U3 is connected to capacitor C2 and capacitor C3. ,

[0017] Through the above technical solution, the utility model can achieve the following working process:

[0018] When a person moves within the detection range of the infrared sensor, the human infrared acquisition unit is triggered. At this time, the start and stop of the air conditioner are controlled by chip U2 in conjunction with the output delay subunit or the repeated trigger subunit. When the infrared sensor detects that the human body is always within the detection range, chip U2 cooperates with the repeated trigger subunit to control the air conditioner to keep running in the started state. When the infrared sensor does not detect that the human body is within the detection range, chip U2 cooperates with the output delay subunit to control the air conditioner to run for a period of time and then turn it off. There is no need to perform additional power on and off operations on the air conditioner. The air conditioner itself controls the air conditioner to automatically turn on or off according to the distance between the human body and the air conditioner. This not only saves energy, is environmentally friendly, and improves user comfort, but also reduces human operational errors.

[0019] The preferred embodiments of the present invention are described in detail above. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, various equivalent transformations can be made to the technical scheme of the present invention, and these equivalent transformations all belong to the protection scope of the present invention.

Claims

1. An air conditioner remote load control terminal, characterized in that: It includes a filter, wherein the power supply input end of the filter is connected to the mains, the power supply output end of the filter is connected to the power supply input end of the AC-DC isolation power supply module, the power supply output end of the AC-DC isolation power supply module is connected to the power supply input end of the charge pump and the MCU power supply module, the power supply output end of the MCU power supply module is simultaneously connected to the single-chip microcomputer U1, the temperature and humidity acquisition unit, the human infrared acquisition unit, the infrared signal transmitting unit and the offline voice recognition unit, the signal output end of the temperature and humidity acquisition unit is connected to the signal input end of the single-chip microcomputer U1, the signal output end of the human infrared acquisition unit is connected to the signal input end of the single-chip microcomputer U1, the signal output end of the infrared signal transmitting unit is connected to the signal input end of the single-chip microcomputer U1, the signal output end of the offline voice recognition unit is connected to the signal input end of the single-chip microcomputer U1, and the signal output end of the single-chip microcomputer U1 is connected to the main control unit.

2. The air conditioner remote load control terminal according to claim 1, characterized in that: The human infrared acquisition unit includes an infrared sensor IR, a chip U2, an output delay subunit, a repeat trigger subunit, a peripheral protection subunit, a resistor R1, a resistor R2, a resistor R3, a resistor R8, a capacitor C4 and a capacitor C5, one end of the resistor R1 is connected to the power supply output end of the MCU power module, the other end of R1 is simultaneously connected to one end of the capacitor C4 and the pin 1 of the infrared sensor IR, the other end of the capacitor C4 is grounded, one end of the resistor R2 is simultaneously connected to the pin 2 of the infrared sensor IR, the resistor R3 and the capacitor C5, and the other end of the resistor R2 is simultaneously connected to the pin 1 of the infrared sensor IR 3. Capacitor C5 is grounded, the other end of the resistor R3 is connected to pin 14 of chip U2, the input end of the peripheral protection subunit is connected to pin 13 and pin 15 of chip U2, the output end of the peripheral protection subunit is connected to pin 12 and pin 16 of chip U2, the input end of the output delay subunit is connected to pin 4 of chip U2, the output end of the output delay subunit is connected to pin 3 of chip U2, the input end of the repeat trigger subunit is connected to pin 5 of chip U2, the output end of the repeat trigger subunit is connected to pin 5 of chip U2, and pin 1 of chip U2 is connected to microcontroller U1.

3. The air conditioner remote load control terminal according to claim 2, characterized in that: The output delay subunit includes a resistor R11 and an adjustment resistor RW1, one end of the resistor R11 is connected to pin 3 of the chip U2, the other end of the resistor R11 is connected to the adjustment resistor RW11, and the other end of the adjustment resistor RW11 is connected to pin 4 of the chip U2.

4. The air conditioner remote load control terminal according to claim 3, characterized in that: The repeated trigger subunit includes a resistor R12, a capacitor C12 and a capacitor C13, one end of the resistor R12 is connected to pin 6 of the chip U2, the other end of the resistor R12 is simultaneously connected to pin 5 of the chip U2 and the capacitor C13, the other end of the capacitor C13 is simultaneously connected to the capacitor C12, the pin 7 of the chip U2 and grounded, and the other end of the capacitor C12 is connected to the adjustment resistor RW1.

5. The air conditioner remote load control terminal according to claim 2, characterized in that: The peripheral protection subunit includes resistor R4, resistor R5, resistor R6, resistor R7, thermistor NTC, capacitor C7, capacitor C8, capacitor C9 and capacitor C10. One end of the resistor R4 is connected to pin 16 of chip U2, and the other end is connected to pin 15 of chip U2. One end of capacitor C7 is connected to resistor R4 and resistor R6 at the same time, and the other end of capacitor C7 is connected to resistor R4 and resistor R5 at the same time. One end of the thermistor NTC is connected to resistor R6, and the other end is connected to capacitor C10. The other end of capacitor C10 is connected to resistor R7 and pin 13 of chip U2 at the same time. The other end of the resistor R7 is connected to pin 12 of chip U2. One end of capacitor C9 is connected to capacitor R5 and capacitor C8 at the same time, and the other end of capacitor C9 is connected to capacitor C8 and grounded.

6. The air conditioner remote load control terminal according to claim 2, characterized in that: The human body infrared acquisition unit also includes a voltage stabilizing subunit, which includes a connector CON1, a diode D1, a chip U3, a capacitor C1, a capacitor C2 and a capacitor C3. Pin 2 of the connector CON1 is connected to pin 2 of the chip U2, pin 1 of the connector CON1 is simultaneously the positive electrode of the diode D1 and the capacitor C1, the negative electrode of the diode D1 is connected to pin 1 of the chip U3, pin 2 of the chip U3 is simultaneously connected to capacitors C1, C2, and C3 and grounded, and pin 3 of the chip U3 is simultaneously connected to capacitors C2 and C3.

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