CN213402570U

CN213402570U - Intelligent remote air conditioner controller with current monitoring function for Internet of things

Info

Publication number: CN213402570U
Application number: CN202022392157.7U
Authority: CN
Inventors: 陈桐伟; 杨志鹏
Original assignee: Guangdong Yunshan Energy Technology Co ltd
Current assignee: Guangdong Yunshan Energy Technology Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-06-08
Anticipated expiration: 2030-10-23

Abstract

The utility model discloses a take thing networking intelligent remote air conditioner controller of current monitoring function, including main control MCU and with main control MCU electric connection's external button, supply circuit, three-phase major loop input and relay control output circuit, board-mounted humiture acquisition circuit and 433 modules, air conditioner controller still includes current acquisition circuit, current acquisition circuit with main control MCU electric connection, and current acquisition circuit comprises current transformer SN1, current transformer SN2, current transformer SN3, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, resistance R14, resistance R15, electric capacity C15, electric capacity C16 and electric capacity C17. The utility model discloses simple structure, the electric current of accurate, real-time supervision air conditioner of ability lets the more clear understanding air conditioner of customer power consumptive and the behavior, reduces base station room operation cost, is worth popularizing and applying.

Description

Intelligent remote air conditioner controller with current monitoring function for Internet of things

Technical Field

The utility model relates to an air conditioner controller specifically is a thing networking intelligent remote air conditioner controller of electrified current monitoring function.

Background

Air conditioning equipment is the necessary equipment of base station computer lab, in order to guarantee the normal of the operational environment (temperature and humidity) of the important communication equipment of base station computer lab, need use the air conditioner to cool down, but the air conditioner belongs to local control device, can only open and close at the scene, once the air conditioner has opened, the people has also left, the air conditioner just is in the work that does not stop for 24 hours always, open throughout the year of air conditioner, when the room temperature does not reach the early warning value, the air conditioner is idle running always, produce unnecessary power consumptions, the cost of base station computer lab operation has been increased.

The utility model provides an whether foretell problem has been solved in appearance of thing networking intelligent remote air conditioner controller, it can intelligent judgement site work environment good, and then intelligent open and close the air conditioner, has solved the problem of 24 hours incessant work of air conditioner, greatly reduced the power consumptive of air conditioner to base station computer lab operation cost has been reduced. However, the existing intelligent remote air conditioner controller for the internet of things generally does not have a current monitoring function, and cannot accurately monitor the current of the air conditioner in real time, so that a client cannot know the power consumption and the working condition of the air conditioner more clearly. Therefore, it is necessary to design an intelligent remote air conditioner controller with a current monitoring function based on the internet of things.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take intelligent remote air conditioner controller of thing networking of current monitoring function possesses simple structure, can be accurate, the electric current of real-time supervision air conditioner, lets the more clear understanding air conditioner of customer power consumptive and the behavior, reduces the advantage of base station room operation cost, has solved the problem that above-mentioned technical background proposed.

In order to achieve the above object, the utility model provides a following technical scheme: an Internet of things intelligent remote air conditioner controller with a current monitoring function comprises a main control MCU, an external key, a power supply circuit, a three-phase main loop input and relay control output circuit, an on-board temperature and humidity acquisition circuit and a 433 module, wherein the external key is electrically connected with the main control MCU, the current acquisition circuit is electrically connected with the main control MCU and comprises a current transformer SN1, a current transformer SN2, a current transformer SN3, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a resistor R15, a capacitor C15, a capacitor C16 and a capacitor C17, wherein the current transformer SN1, the resistor R7, the resistor R8, the resistor R12 and the capacitor C15 form a first current acquisition circuit, and the current transformer SN2, the resistor R9, the resistor R11, the resistor R13 and the capacitor C17 form a second current acquisition circuit, the current transformer SN3, resistance R10, resistance R14, resistance R15 and electric capacity C16 constitute No. three current acquisition circuits, No. one current acquisition circuit, No. two current acquisition circuit and No. three current acquisition circuit are connected with master control MCU's No. 43, No. 44 and No. 45 pin respectively.

Preferably, the model of the master control MCU is M058 LDN.

Preferably, the power supply circuit comprises an AC-DC power supply circuit, a first DC-DC power supply circuit and a second DC-DC power supply circuit, the AC-DC power supply circuit is electrically connected to the first DC-DC power supply circuit and the second DC-DC power supply circuit, the AC-DC power supply circuit converts 220V alternating current into 12V direct current, the first DC-DC power supply circuit converts the 12V direct current into 5V direct current and supplies power to a relay on the three-phase main loop input and relay control output circuit, and the second DC-DC power supply circuit converts the 12V direct current into 3.3V direct current and supplies power to the main control, on-board temperature and humidity acquisition circuit, 433 module and the current acquisition circuit.

Preferably, the AC-DC power supply circuit includes an AC-DC power management chip U1, a fuse F1, a potentiometer RP1, an adjustable resistor RV1, an inductor L1, an inductor L2, a capacitor CX1, a capacitor CY1, a capacitor CY2, a capacitor C1, a capacitor C2, and a capacitor C3, wherein one end of the fuse F1 is connected to a live wire of an input alternating current, the other end of the fuse F1 is connected to a pin No. 2 of an inductor L1, one end of the potentiometer RP1 is connected to a neutral wire of the input alternating current, the other end of the potentiometer RP1 is connected to a pin No. 1 of the inductor L1, a pin No. 3 and a pin No. 4 of the inductor L1 are connected to a pin No. 1 and a pin No. 2 of the AC-DC power management chip U1, the adjustable resistor RV1 and the capacitor CX1 are connected in parallel, and both ends of the adjustable resistor RV1 and the capacitor CX1 are connected to a pin No. 1 and a pin No. 2 of the inductor L1, the capacitor, the inductor L2 is connected in series with a capacitor C1, one end of the capacitor CY1 is connected with the pin No. 1 of the AC-DC power management chip U1, and the other end of the capacitor CY2 is connected with the pin No. 2 of the AC-DC power management chip U1.

Preferably, the first DC-DC power supply circuit includes a DC-DC power management chip U3, an inductor L3, a diode D1, a resistor R1, a resistor R2, a resistor R3, a capacitor C4, a capacitor C5, a capacitor C6 and a capacitor C7, wherein two ends of the resistor R1 are respectively connected to pin No. 4 and pin No. 5 of the DC-DC power management chip U3, pin No. 5 of the DC-DC power management chip U3 is further connected with a 12V direct current, the capacitors C5, C6 and C7 are connected in parallel, one ends of the capacitors C5, C6 and C7 are grounded, the other ends are respectively connected to a power output terminal VCC50, a resistor R2 and an inductor L3, one end of the diode D1 is grounded, the other end of the diode D1 is connected to pin No. 6 of the DC-DC power management chip U3, one end of the resistor R3 is grounded, and the other end of the resistor R3 and the other end of the diode is respectively connected to pin No. U3, and two ends of the capacitor C4 are respectively connected with the No. 1 pin and the No. 6 pin of the DC-DC power management chip U3.

Preferably, the second DC-DC power supply circuit is composed of a DC-DC power management chip U4, a fuse F4, a resistor R4, a diode D4, a capacitor C4 and an inductor L4, wherein one end of the fuse F4 is connected to an input 12V DC voltage, the other end is connected to pin No. 5 of the DC-DC power management chip U4, the diode D4, the capacitor C4 and the capacitor C4 are connected in parallel, one end of the diode D4, one end of the capacitor C4 and the capacitor C4 are grounded, the other end is connected to pin No. 5 of the DC-DC power management chip U4, two ends of the resistor R4 are respectively connected to pin No. 4 and pin No. 5 of the DC-DC power management chip U4, the capacitor C4 and the other end of the capacitor C4 are respectively connected to ground, two ends of the capacitor C8 are respectively connected with a pin No. 1 and a pin No. 6 of the DC-DC power management chip U4, one end of the diode D2 is grounded, the other end of the diode D2 is connected with a pin No. 6 of the DC-DC power management chip U4, one end of the resistor R6 is connected with a pin No. 3 of the DC-DC power management chip U4, and the other end of the resistor R6 is grounded.

Preferably, the three-phase main circuit input and relay control output circuit is composed of an adjustable resistor RV2, an adjustable resistor RV3, an adjustable resistor RV4, an adjustable resistor RV5, an adjustable resistor RV6, an adjustable resistor RV7, a discharge tube GDT1, a discharge tube GDT2, a relay control output switch K1, a relay control output switch K2 and a relay control output switch K3, the adjustable resistor RV2 and the adjustable resistor RV3 are connected in parallel, one end of the adjustable resistor RV2 and the adjustable resistor 695rv 2 is connected with a zero line, the other end of the adjustable resistor RV2 and the adjustable resistor 695rv 2 is connected with a first phase power AC-L1, the adjustable resistor RV4 and the adjustable resistor RV5 are connected in parallel, the zero line of the adjustable resistor RV4 and the adjustable resistor RV5 is connected with a zero line, the other end of the adjustable resistor RV5 is connected with a second phase power AC-L2, the adjustable resistor RV6 and one end of the adjustable resistor RV6 is connected, the other end of the discharge tube GDT1 is connected with a zero line, one ends of the discharge tube GDT2 are grounded, the other ends of the discharge tube GDT1 and the discharge tube GDT2 are connected with the zero line, and the relay control output switch K1, the relay control output switch K2 and the relay control output switch K3 are respectively connected with the input end and the output end of the first phase power AC-L1, the second phase power AC-L2 and the third phase power AC-L3.

Preferably, on-board temperature and humidity acquisition circuit comprises temperature and humidity sensor U5, electric capacity C18, resistance R16 and resistance R17, and wherein resistance R16 and resistance R17 one end are connected with temperature and humidity sensor U5's No. 1 pin, and the other end is connected with temperature and humidity sensor U5's No. 4 pin and No. 2 pin respectively, temperature and humidity sensor U5's No. 1 pin still is connected with supply terminal and electric capacity C18, and temperature and humidity sensor U5's No. 2 pin and No. 4 pin are connected with main control MCU's No. 10 pin and No. 11 pin respectively.

Preferably, the 433 module is a 433 communication module, and the 433 communication module is composed of 19 communication ports, wherein the No. 3 communication port and the No. 4 communication port are connected to the No. 40 pin and the No. 39 pin of the main control MCU, the No. 11 communication port is connected to the 3.3V dc voltage, and the No. 19 communication port is grounded.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a pair of take thing networking intelligent remote air conditioner controller of current monitoring function, this air conditioner controller are three-phase four-wire system air conditioner controller, have two tunnel independent control functions, are fit for the use of base station computer lab, it include main control MCU and with main control MCU electric connection's external button, supply circuit, three-phase major loop input and relay control output circuit, board year humiture acquisition circuit and 433 modules, simple structure, the utility model provides an air conditioner controller still includes current acquisition circuit, and this current acquisition circuit passes through current transformer acquisition current, calculates the electric current of air conditioner in-service, reaches the accuracy, the current of real-time supervision air conditioner, lets the more clear understanding air conditioner power consumptive and the behavior of customer, reduces base station computer lab operation cost.

2. The utility model provides a supply circuit is by AC-DC supply circuit, first DC-DC supply circuit and second DC-DC supply circuit constitute, wherein AC-DC supply circuit converts 220V's alternating current into 12V's direct current, first DC-DC supply circuit converts 12V's direct current into 5V's direct current and gives the relay use on three-phase main loop input and the relay control output circuit, second DC-DC supply circuit converts 12V's direct current into 3.3V direct current and gives master control MCU, board year humiture acquisition circuit, 433 module and current acquisition circuit use, need not the multichannel switch-on power supply, therefore, the clothes hanger is strong in practicability.

Drawings

FIG. 1 is a schematic block diagram of the present invention;

FIG. 2 is a schematic circuit diagram of the main control MCU of the present invention;

FIG. 3 is a schematic circuit diagram of the AC-DC power supply circuit of the present invention;

fig. 4 is a schematic circuit diagram of a first DC-DC power supply circuit of the present invention;

fig. 5 is a schematic circuit diagram of a second DC-DC power supply circuit of the present invention;

FIG. 6 is a schematic circuit diagram of the three-phase main loop input and relay control output circuit of the present invention;

FIG. 7 is a schematic circuit diagram of the onboard temperature and humidity acquisition circuit of the present invention;

fig. 8 is a schematic circuit diagram of the 433 module of the present invention;

fig. 9 is a schematic circuit diagram of the current collecting circuit of the present invention.

The reference numerals and names in the figures are as follows:

1. a main control MCU; 2. connecting a key externally; 3. a power supply circuit; 31. an AC-DC power supply circuit; 32. a first DC-DC power supply circuit; 33. a second DC-DC power supply circuit; 4. a three-phase main loop input and relay control output circuit; 5. an onboard temperature and humidity acquisition circuit; 6. 433, a module; 7. and a current acquisition circuit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides an embodiment: an Internet of things intelligent remote air conditioner controller with a current monitoring function comprises a main control MCU1, an external key 2 electrically connected with a main control MCU1, a power supply circuit 3, a three-phase main loop input and relay control output circuit 4, and an on-board temperature and humidity acquisition circuit 5 and 433 module 6, the air conditioner controller further comprises a current acquisition circuit 7, the current acquisition circuit 7 is electrically connected with the main control MCU1, in the embodiment, the power supply circuit 3 comprises an AC-DC power supply circuit 31, a first DC-DC power supply circuit 32 and a second DC-DC power supply circuit 33, the AC-DC power supply circuit 31 is respectively electrically connected with the first DC-DC power supply circuit 32 and the second DC-DC power supply circuit 33, the AC-DC power supply circuit 31 converts 220V alternating current into 12V direct current, the first DC-DC power supply circuit 32 converts the 12V direct current into 5V direct current, the power supply circuit supplies power to a relay on a three-phase main loop input and relay control output circuit 4, the second DC-DC power supply circuit 33 converts 12V direct current into 3.3V direct current, and supplies power to the main control MCU1, the onboard temperature and humidity acquisition circuits 5 and 433 modules 6 and the current acquisition circuit 7.

Referring to fig. 3, the AC-DC power supply circuit 31 in the figure includes an AC-DC power management chip U1, a fuse F1, a potentiometer RP1, an adjustable resistor RV1, an inductor L1, an inductor L2, a capacitor CX1, a capacitor CY1, a capacitor CY2, a capacitor C1, a capacitor C2, and a capacitor C3, wherein one end of the fuse F1 is connected to a live wire of an input alternating current, the other end of the fuse F1 is connected to a pin No. 2 of an inductor L1, one end of the potentiometer RP1 is connected to a neutral wire of the input alternating current, the other end of the potentiometer RP1 is connected to a pin No. 1 of the inductor L1, a pin No. 3 and a pin No. 4 of the inductor L1 are connected to a pin No. 1 and a pin No. 2 of the AC-DC power management chip U1, the adjustable resistor RV1 and the capacitor CX 7 are connected in parallel, both ends of the adjustable resistor RV1 and the capacitor CX1 are connected to a pin No. 1 and a pin No. 2 of the inductor L1, the, the inductor L2 is connected in series with a capacitor C1, one end of the capacitor CY1 is connected to pin 1 of the AC-DC power management chip U1, and the other end of the capacitor CY2 is connected to pin 2 of the AC-DC power management chip U1, in this embodiment, the model of the AC-DC power management chip U1 is HQ12P12L RN.

Referring to fig. 4, the first DC-DC power supply circuit 32 in the figure includes a DC-DC power management chip U3, an inductor L3, a diode D1, a resistor R1, a resistor R2, a resistor R3, a capacitor C4, a capacitor C5, a capacitor C6, and a capacitor C7, wherein two ends of the resistor R1 are respectively connected to pin No. 4 and pin No. 5 of the DC-DC power management chip U3, pin No. 5 of the DC-DC power management chip U3 is further connected with a 12V direct current, a capacitor C5, a capacitor C6, and a capacitor C7 are connected in parallel, and one ends of the capacitor C5, the capacitor C6, and the capacitor C7 are grounded, the other ends of the capacitor C5, the capacitor C6, and the capacitor C7 are respectively connected to a power output terminal VCC 7, the resistor R7, and the inductor L7, one end of the diode D7 is grounded, the other end of the diode D7 is connected to pin No. 6 of the DC-DC power management chip U7, two ends of the capacitor C4 are respectively connected with pin 1 and pin 6 of the DC-DC power management chip U3, and the model of the DC-DC power management chip U3 in this embodiment is MP2359 DJ.

Referring to fig. 5, the second DC-DC power supply circuit 33 in the figure is composed of a DC-DC power management chip U4, a fuse F4, a resistor R4, a diode D4, a capacitor C4, and an inductor L4, wherein one end of the fuse F4 is connected to an input 12V DC voltage, the other end of the fuse F4 is connected to pin No. 5 of the DC-DC power management chip U4, the diode D4, the capacitor C4, and the capacitor L4 are connected in parallel, one end of the diode D4, the capacitor C4, and the capacitor C4 are grounded, the other end of the diode D4 is connected to pin No. 5 of the DC-DC power management chip U4, two ends of the resistor R4 are connected to pin No. 4 and pin No. 5 of the DC-DC power management chip U4, the capacitor C4, the other end of the capacitor C4 is connected to the capacitor C4, the capacitor C4, two ends of the capacitor C8 are respectively connected with pin 1 and pin 6 of the DC-DC power management chip U4, one end of the diode D2 is grounded, the other end is connected with pin 6 of the DC-DC power management chip U4, one end of the resistor R6 is connected with pin 3 of the DC-DC power management chip U4, and the other end is grounded, in this embodiment, the model of the DC-DC power management chip U4 is MP2359 DJ.

Referring to fig. 6, the three-phase main loop input and relay control output circuit 4 in the figure is composed of an adjustable resistor RV2, an adjustable resistor RV3, an adjustable resistor RV4, an adjustable resistor RV5, an adjustable resistor RV6, an adjustable resistor RV7, a discharge tube GDT1, a discharge tube GDT2, a relay control output switch K1, a relay control output switch K2 and a relay control output switch K3, the adjustable resistor RV2 and the adjustable resistor RV3 are connected in parallel, one end of the adjustable resistor 2 and the adjustable resistor RV3 is connected with a zero line, the other end of the adjustable resistor 2 and the adjustable resistor RV3 is connected with a first phase AC-L1, the adjustable resistor RV4 and the adjustable resistor RV5 are connected in parallel, one end of the adjustable resistor RV4 and the adjustable resistor RV5 is connected with the zero line, the other end of the adjustable resistor RV2 is connected with a second phase AC-L2, the adjustable resistor RV6 and one end of the adjustable resistor RV6 and the adjustable resistor RV6 is connected with a, the other end of the discharge tube GDT1 is connected with a zero line, one ends of the discharge tube GDT2 are grounded, the other ends of the discharge tube GDT1 and the discharge tube GDT2 are connected with the zero line, and the relay control output switch K1, the relay control output switch K2 and the relay control output switch K3 are respectively connected with the input end and the output end of the first phase power AC-L1, the second phase power AC-L2 and the third phase power AC-L3.

Referring to fig. 2 and 7, the main control MCU1 in fig. 2 is M058LDN, the on-board temperature and humidity acquisition circuit 5 in fig. 7 is composed of a temperature and humidity sensor U5, a capacitor C18, a resistor R16 and a resistor R17, wherein one end of the resistor R16 and the resistor R17 is connected to the pin 1 of the temperature and humidity sensor U5, the other end of the resistor R16 and the resistor R17 is connected to the pin 4 and the pin 2 of the temperature and humidity sensor U5, the pin 1 of the temperature and humidity sensor U5 is further connected to a power supply terminal and the capacitor C18, the pin 2 and the pin 4 of the temperature and humidity sensor U5 are connected to the pin 10 and the pin 11 of the main control MCU1, respectively, and the temperature and humidity sensor U5 in this embodiment is AM 2320.

Referring to fig. 2 and 8, a 433 module 6 in the drawings is a 433 communication module, and the 433 communication module is composed of 19 communication ports, where a No. 3 communication port and a No. 4 communication port are connected to a No. 40 pin and a No. 39 pin of the main control MCU1, a No. 11 communication port is connected to a 3.3V dc voltage, and a No. 19 communication port is grounded.

Referring to fig. 2 and 9, a current collecting circuit 7 in the drawings is composed of a current transformer SN1, a current transformer SN2, a current transformer SN3, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a capacitor C10 and a capacitor C10, wherein the current transformer SN 10, the resistor R10 and the capacitor C10 form a first current collecting circuit, the current transformer SN 10, the resistor R10 and the capacitor C10 form a second current collecting circuit, the current transformer SN 10, the resistor R10 and the capacitor C10 form a third current collecting circuit, and the first current collecting circuit, the second current collecting circuit and the third current collecting circuit are respectively connected with

pins

43, 44 and pins of a main control MCU 3645.

The working principle is as follows: in the operation of the utility model, the power supply part of the air conditioner controller is supplied by the AC-DC power supply circuit 31, the first DC-DC power supply circuit 32 and the second DC-DC power supply circuit 33, the main loop incoming line is accessed from the three-phase main loop input of the air conditioner controller and the input end of the relay output control circuit 4, the main loop outgoing line is controlled and output by the relay control output switch K1 on the three-phase main loop input and the relay output control circuit 4, the relay control output switch K2 and the relay control output switch K3, when the user sets the environmental temperature to be controlled at the background, the main control MCU1 collects the environmental temperature and humidity of the air conditioner through the temperature and humidity sensor U5 on the board temperature and humidity collecting circuit 5, and reports to the 433 module 6, the 433 module 6 reports to the 4G gateway, the 4G gateway reports to the background again, the background is intelligently analyzed and judged by the background, therefore, the air conditioner is automatically turned on and off, so that customers can know the power consumption and the working condition of the air conditioner more clearly, and the operation cost of a base station machine room is reduced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a take intelligent remote air conditioner controller of thing networking of current monitoring function which characterized in that: the air conditioner controller comprises a main control MCU (1), an external key (2) electrically connected with the main control MCU (1), a power supply circuit (3), a three-phase main loop input and relay control output circuit (4), an on-board temperature and humidity acquisition circuit (5) and a 433 module (6), and further comprises a current acquisition circuit (7), wherein the current acquisition circuit (7) is electrically connected with the main control MCU (1), and the current acquisition circuit (7) is composed of a current transformer SN1, a current transformer SN2, a current transformer SN3, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a resistor R15, a capacitor C15, a capacitor C16 and a capacitor C17, wherein the current transformer SN1, the resistor R7, the resistor R8, the resistor R12 and the capacitor C15 form a current acquisition circuit, and the current transformer SN2, the resistor R9 and the capacitor C493 4 form a current acquisition, The resistor R11, the resistor R13 and the capacitor C17 form a second current acquisition circuit, the current transformer SN3, the resistor R10, the resistor R14, the resistor R15 and the capacitor C16 form a third current acquisition circuit, and the first current acquisition circuit, the second current acquisition circuit and the third current acquisition circuit are respectively connected with No. 43, No. 44 and No. 45 pins of the main control MCU (1).

2. The intelligent remote air conditioner controller of the internet of things with the current monitoring function according to claim 1, characterized in that: the type of the master control MCU (1) is M058 LDN.

3. The intelligent remote air conditioner controller of the internet of things with the current monitoring function according to claim 1, characterized in that: the supply circuit (3) comprises an AC-DC supply circuit (31), a first DC-DC supply circuit (32) and a second DC-DC supply circuit (33), the AC-DC power supply circuit (31) is respectively electrically connected with the first DC-DC power supply circuit (32) and the second DC-DC power supply circuit (33), and the AC-DC power supply circuit (31) converts the 220V alternating current into 12V direct current, the first DC-DC supply circuit (32) converts a 12V direct current into a 5V direct current, and supplies power to the relay on the three-phase main loop input and relay control output circuit (4), the second DC-DC power supply circuit (33) converts the 12V direct current into 3.3V direct current, and power is supplied to the main control MCU (1), the onboard temperature and humidity acquisition circuit (5), the 433 module (6) and the current acquisition circuit (7).

4. The intelligent remote air conditioner controller of the internet of things with the current monitoring function according to claim 3, characterized in that: the AC-DC power supply circuit (31) comprises an AC-DC power management chip U1, a fuse F1, a potentiometer RP1, an adjustable resistor RV1, an inductor L1, an inductor L2, a capacitor CX1, a capacitor CY1, a capacitor CY2, a capacitor C1, a capacitor C2 and a capacitor C3, wherein one end of the fuse F1 is connected with a live wire of input alternating current, the other end of the fuse F1 is connected with a pin No. 2 of an inductor L1, one end of a potentiometer RP1 is connected with a neutral wire of input alternating current, the other end of the potentiometer RP1 is connected with a pin No. 1 of an inductor L1, a pin No. 3 and a pin No. 4 of an inductor L1 are respectively connected with a pin No. 1 and a pin No. 2 of the AC-DC power management chip U1, the adjustable resistor RV1 and the capacitor CX1 are connected in parallel, two ends of the adjustable resistor RV1 and the capacitor CX1 are connected with a pin No. 1 and a pin No. 2 of the inductor L, the inductor L2 is connected in series with a capacitor C1, one end of the capacitor CY1 is connected with the pin No. 1 of the AC-DC power management chip U1, and the other end of the capacitor CY2 is connected with the pin No. 2 of the AC-DC power management chip U1.

5. The intelligent remote air conditioner controller of the internet of things with the current monitoring function according to claim 3, characterized in that: the first DC-DC power supply circuit (32) comprises a DC-DC power management chip U3, an inductor L3, a diode D1, a resistor R1, a resistor R2, a resistor R3, a capacitor C4, a capacitor C5, a capacitor C6 and a capacitor C7, wherein two ends of the resistor R1 are respectively connected with a pin No. 4 and a pin No. 5 of the DC-DC power management chip U3, the pin No. 5 of the DC-DC power management chip U3 is also connected with 12V direct current, a capacitor C5, a capacitor C6 and a capacitor C7 are connected in parallel, one ends of the capacitor C5, the capacitor C6 and the capacitor C7 are grounded, the other ends of the capacitor C6 and the capacitor C7 are respectively connected with a power output terminal VCC 7, a resistor R7 and an inductor L7, one end of the diode D7 is grounded, the other end of the diode D7 is connected with a pin No. 6 of the DC-DC power management chip U7, one end of the resistor R7 is grounded, the other end of the, and two ends of the capacitor C4 are respectively connected with the No. 1 pin and the No. 6 pin of the DC-DC power management chip U3.

6. The intelligent remote air conditioner controller of the internet of things with the current monitoring function according to claim 3, characterized in that: the second DC-DC power supply circuit (33) is composed of a DC-DC power management chip U4, a fuse F2, a resistor R4, a resistor R5, a resistor R6, a diode D2, a diode D3, a capacitor C3 and an inductor L3, wherein one end of the fuse F3 is connected with an input 12V direct current voltage, the other end of the fuse F3 is connected with a No. 5 pin of the DC-DC power management chip U3, the diode D3, the capacitor C3 and the capacitor C3 are connected in parallel, one ends of the diode D3, the capacitor C3 and the capacitor C3 are grounded, the other ends of the diode D3, the capacitor C3 and the capacitor C3 are connected with a No. 5 pin of the DC-DC power management chip U3, two ends of the resistor R3 are respectively connected with a No. 4 pin and a No. 5 pin of the DC-DC power management chip U3, the capacitor C3 is, the other end of the capacitor C8 is connected with a resistor R5 and an inductor L3 respectively, the two ends of the capacitor C8 are connected with a pin 1 and a pin 6 of a DC-DC power management chip U4 respectively, one end of a diode D2 is grounded, the other end of the diode D2 is connected with a pin 6 of a DC-DC power management chip U4, one end of a resistor R6 is connected with a pin 3 of a DC-DC power management chip U4, and the other end of the resistor R6 is grounded.

7. The intelligent remote air conditioner controller of the internet of things with the current monitoring function according to claim 1, characterized in that: the three-phase main loop input and relay control output circuit (4) is composed of an adjustable resistor RV2, an adjustable resistor RV3, an adjustable resistor RV4, an adjustable resistor RV5, an adjustable resistor RV6, an adjustable resistor RV7, a discharge tube GDT1, a discharge tube GDT2, a relay control output switch K1, a relay control output switch K2 and a relay control output switch K3, wherein the adjustable resistor RV2 and the adjustable resistor RV3 are connected in parallel, one end of the adjustable resistor RV2 and the adjustable resistor 695RV 2 is connected with a zero line, the other end of the adjustable resistor RV2 and the adjustable resistor 695RV 2 is connected with a first phase AC-L1, the adjustable resistor RV4 and the adjustable resistor RV5 are connected in parallel, the adjustable resistor RV4 and the adjustable resistor RV5 are connected with the zero line, the other end of the second phase AC-L2, the adjustable resistor RV6 and the adjustable resistor RV6 are connected with a third phase AC, the other end of the discharge tube GDT1 is connected with a zero line, one ends of the discharge tube GDT2 are grounded, the other ends of the discharge tube GDT1 and the discharge tube GDT2 are connected with the zero line, and the relay control output switch K1, the relay control output switch K2 and the relay control output switch K3 are respectively connected with the input end and the output end of the first phase power AC-L1, the second phase power AC-L2 and the third phase power AC-L3.

8. The intelligent remote air conditioner controller of the internet of things with the current monitoring function according to claim 1, characterized in that: onboard temperature and humidity acquisition circuit (5) is composed of temperature and humidity sensor U5, electric capacity C18, resistance R16 and resistance R17, wherein resistance R16 and resistance R17 one end are connected with temperature and humidity sensor U5's No. 1 pin, and the other end is connected with temperature and humidity sensor U5's No. 4 pin and No. 2 pin respectively, temperature and humidity sensor U5's No. 1 pin still is connected with supply terminal and electric capacity C18, and temperature and humidity sensor U5's No. 2 pin and No. 4 pin are connected with main control MCU (1) No. 10 pin and No. 11 pin respectively.

9. The intelligent remote air conditioner controller of the internet of things with the current monitoring function according to claim 1, characterized in that: module 433 (6) is 433 communication module, and this 433 communication module comprises 19 communication ports, and wherein No. 3 communication port and No. 4 communication port are connected with No. 40 pin and No. 39 pin of master control MCU (1), and No. 11 communication port is connected 3.3V's direct current voltage, and No. 19 communication port ground connection.