Air conditioner micro-jet energy-saving device and air conditioner energy-saving system

Abstract

The utility model discloses an air conditioner micro-spraying energy-saving device and an air conditioner energy-saving system, belongs to the technical field of energy conservation and consumption reduction of air conditioners, and aims to solve the problems that in the prior art, single environment temperature detection is prone to causing mistaken water spraying, water resources are wasted, and the detection and control precision is low. The energy-saving device comprises a controller, an electromagnetic valve and a spray head, the controller is connected with a temperature sensor used for detecting the environment temperature through a signal line, and the controller is connected with the electromagnetic valve through a signal line; the other end of the electromagnetic valve is communicated with the spray head through a connecting water pipe; the current transformer is used for detecting the current of the air conditioner outdoor unit or the compressor and is connected with the controller through a signal line. By detecting the environment temperature and the working current at the same time, the situation that the air conditioner outdoor unit sprays water when the environment temperature reaches the water spraying condition under the condition that the air conditioner outdoor unit does not work can be effectively avoided, wrong water spraying caused by wrong detection of the environment temperature can also be effectively avoided, and water resources are saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of air-conditioning energy saving, and relates to an air-conditioning micro-spraying energy-saving device, in particular to an air-conditioning micro-spraying energy-saving device and an air-conditioning energy-saving system. Background Art

[0002] As the greenhouse effect of the earth's atmosphere continues to intensify, the outdoor temperature in summer is getting higher and higher, and the use of air conditioners is becoming more and more extensive and the frequency of use is also increasing.

[0003] When the air conditioner is cooling, the condenser in the air conditioner outdoor unit exchanges heat between the high-temperature and high-pressure liquid Freon and the air outdoors, turning it into low-temperature and high-pressure liquid Freon. However, when the outdoor temperature is too high, the energy required for the heat exchange between the air and the condenser will be greater, which will affect the cooling effect of the air conditioner and increase the energy consumption of the air conditioner, shortening the service life of the air conditioner. Therefore, it is necessary to lower the ambient temperature of the outdoor unit to reduce the energy consumed in the heat exchange between the air and the condenser, which has a greater effect on energy saving and consumption reduction.

[0004] The utility model patent with application number 202321811056.6 discloses an air-conditioning outdoor unit cooling device, which includes an outdoor unit, a water storage component and a spray cooling component; the water storage component includes a water tank, a tap water inlet pipe and a water level detector; the spray cooling component includes a high-pressure water pump, a multi-way water pipe and a spray head; the temperature and humidity of the radiator are detected by a temperature and humidity sensor, and then the water transported through the tap water inlet pipe and the indoor unit condensation water pipe is stored in the water tank, and then the high-pressure water pump pumps the water to the spray head to spray on the radiator surface. The water vaporization cooling is faster than the air convection cooling speed, which reduces the energy consumption of the air-conditioning outdoor unit when it is working. When the humidity in the box is too high, stop spraying and rely on the outdoor unit cooling fan to dehumidify. Wait until the humidity in the outdoor unit box is reduced before spraying to prevent excessive humidity.

[0005] Like the utility model patent mentioned above, when reducing the energy consumed by heat exchange between air and condenser by lowering the ambient temperature, the existing technology mostly detects the ambient temperature, turns on the nozzle after the ambient temperature reaches the threshold, and sprays water on the air conditioner outdoor unit and radiator to cool down. Although this method can reduce the energy consumed by heat exchange by lowering the ambient temperature. However, when the air conditioner is not running, if the ambient temperature exceeds the preset value, the nozzle will also spray water, resulting in a waste of water resources; and there is only one detection item, the ambient temperature, which is very easy to start the water spraying operation due to special circumstances such as false detection, and the detection and control accuracy of the water spraying and cooling operation is low, and it is easy to fail to start. Utility Model Content

[0006] The purpose of the utility model is to provide an air-conditioning micro-spraying energy-saving device and an air-conditioning energy-saving system in order to solve the problems in the prior art that single ambient temperature detection easily causes erroneous water spraying, wastes water resources, and has low detection and control accuracy.

[0007] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0008] An air conditioner micro-spray energy-saving device comprises a controller, a solenoid valve and a nozzle, wherein the controller is connected to a temperature sensor for detecting ambient temperature via a signal line, and the controller is connected to the solenoid valve via a signal line; one end of the solenoid valve is connected to a water inlet pipe, and the other end of the solenoid valve is connected to the nozzle via a connecting water pipe; the device is characterized in that it also comprises a current transformer for detecting the current of an air conditioner outdoor unit or a compressor, and the current transformer is connected to the controller via a signal line.

[0009] Furthermore, the nozzle comprises a nozzle, and a spray hole with a diameter of 0.3-0.8 mm is formed at the top of the nozzle.

[0010] Furthermore, the nozzle comprises a nozzle, and a plurality of notches are formed on an outer conical surface at the end of the nozzle along the circumference of the nozzle.

[0011] Furthermore, the depth of the notch increases successively along the direction approaching the nozzle hole of the nozzle.

[0012] Further, the control circuit of the controller includes an AC / DC conversion module and a ULN2003APG chip;

[0013] Pin 1 of the AC / DC conversion module is connected to ground through resistors R4 and R3 in sequence, and resistor R4 is a thermistor of the temperature sensor; Pin 2 of the AC / DC conversion module is directly connected to ground, Pin 3 of the AC / DC conversion module is connected to the power neutral line N, and Pin 4 of the AC / DC conversion module is connected to the power live line M through a safety switch K, and a connector A is provided on the power neutral line N, and a connector B is provided on the power live line M;

[0014] Pin 1 and pin 2 of the ULN2003APG chip are grounded through resistor R3; pin 6 and pin 7 of the ULN2003APG chip are grounded through voltage stabilizing diode D6; pin 8 of the ULN2003APG chip is grounded; pin 9 of the ULN2003APG chip is connected to pin 1 of the AC / DC conversion module; pin 10 of the ULN2003APG chip is connected to pin 1 of the AC / DC conversion module through light emitting diode D2 and resistor R2 in sequence; pin 11 of the ULN2003APG chip is connected to pin 1 of the AC / DC conversion module through relay J2, and relay J2 The coil of the relay J1 is connected in parallel with a diode D4, one end of the switch side of the relay J2 is connected to the switch side of the relay J1, and the other end is connected to the solenoid valve connector M; the pin 15 of the ULN2003APG chip is connected to the pin 1 of the AC / DC conversion module through the relay J1, the coil in the relay J1 is connected in parallel with a diode D3, one end of the switch side of the relay J1 is connected to the switch side of the relay J2, and the other end is connected to the connector B, and the connector B is connected to the connector B on the power live wire M through a flying wire; the pin 16 of the ULN2003APG chip is connected to the pin 1 of the AC / DC conversion module through the light-emitting diode D1 and the resistor R1 in sequence;

[0015] The two ends of the mutual inductance coil L of the current transformer are respectively connected to the upper and lower ends of the rectifier bridge D5. The left end of the rectifier bridge D5 is grounded, and the right end of the rectifier bridge D5 is grounded through the electrolytic capacitor C1. The right end of the rectifier bridge D5 is also grounded through the resistor R6 and the resistor R5 in turn. The connecting line between the resistor R6 and the resistor R5 is also grounded through the voltage regulator diode D6.

[0016] An air conditioning energy-saving system comprises a water inlet main line, a water outlet main line, and a plurality of main units; the water inlet main line is connected to a plurality of water inlet branch lines, the water inlet branch lines are connected to a plurality of water inlet branch pipes, and each water inlet branch pipe is arranged corresponding to a main unit; a water receiving pan is arranged under each air conditioning main unit, and the water receiving pan under the air conditioning main unit corresponding to each water inlet branch pipe is connected to the same water outlet branch pipe; a plurality of water outlet branch pipes are connected to the water outlet branch pipes, and the plurality of water outlet branch pipes are all connected to the water outlet main line;

[0017] The main water outlet line is connected to the water tank, the other side of the water tank is connected to the filter, and the other side of the filter is connected to the main water inlet line through the return line;

[0018] Each air-conditioning main unit is correspondingly provided with the above-mentioned air-conditioning micro-spray energy-saving device, and the water inlet pipe on the air-conditioning micro-spray energy-saving device is connected with the corresponding water inlet branch pipe.

[0019] Furthermore, the angle between the water outlet direction of the nozzle and the back side of the corresponding air conditioner host is 10°-20°.

[0020] The beneficial effects of the utility model are as follows:

[0021] 1. In the utility model, the controller is electrically connected with a temperature sensor and a current transformer, the temperature sensor is used to detect the ambient temperature, and the current transformer is used to detect the current of the air conditioner outdoor unit or the air conditioner compressor; when the detected ambient temperature and the current of the air conditioner outdoor unit or the air conditioner compressor are greater than the threshold value, the controller controls the solenoid valve to open, and the nozzle sprays water / water mist to the air conditioner outdoor unit to reduce the ambient temperature when the air conditioner outdoor unit is working; by simultaneously detecting the ambient temperature and the working current, it can effectively avoid the air conditioner outdoor unit from spraying water when the ambient temperature reaches the water spraying condition when it is not working, effectively reducing the waste of water resources. Secondly, dual threshold judgment can effectively avoid false water spraying caused by false detection of ambient temperature, save water resources, and the water spraying and cooling treatment can only be started after both sets of data meet the threshold requirements. Therefore, the detection accuracy of water spraying start is higher, and the control accuracy of water spraying by the nozzle is higher; in addition, by effectively spraying water and cooling the air-conditioning outdoor unit, the working environment of the air-conditioning outdoor unit in a high temperature environment can be effectively improved. Since the working temperature of the air-conditioning outdoor unit is effectively reduced, the electric energy consumed by the air-conditioning outdoor unit is reduced, thereby playing a role in energy saving and consumption reduction, and the energy saving and consumption reduction effect of the air conditioner is better.

[0022] 2. In the utility model, the diameter of the spray hole of the nozzle in the nozzle is set to 0.3-0.8mm, which can effectively increase the sprayed water mist, produce more micro water droplets / water mist, and the diffusion angle of the micro water droplets / water mist is increased, so that the air conditioner outdoor unit in a larger area can be sprayed and cooled, which significantly improves the working environment of the air conditioner outdoor unit in a high temperature environment, and the energy-saving and consumption-reducing effects of the air conditioner are better.

[0023] 3. In the utility model, a plurality of notches are provided on the nozzle, and under the action of the notches, the micro-spray water can be diffused into a larger range based on the ejection principle.

[0024] 4. In the utility model, the angle between the water outlet direction of the nozzle and the back of the air conditioner main unit is 10-20 degrees, and the sprayed water mist spreads out in a trumpet shape. The water mist on the condenser side close to the air conditioner main unit is sucked into the fins by the negative pressure at the condenser to cool the fins; part of the water mist on the other side is sucked into the fins by the condenser, and the other part bounces to the fins farther laterally, so as to fully utilize the water mist to absorb the high-pressure heat of the refrigerant, and further improve the energy-saving and consumption-reducing effects of the air conditioner. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the air-conditioning micro-spray energy-saving device in the utility model;

[0026] Figure 2 It is a schematic diagram of the structure of the nozzle in the air-conditioning micro-spray energy-saving device;

[0027] Figure 3It is the control circuit diagram of the controller in the air-conditioning micro-spray energy-saving device;

[0028] Figure 4 It is a structural schematic diagram of the air conditioning energy-saving system in the utility model;

[0029] Among them, the figure markings are: 1-controller, 2-power cord, 3-temperature sensor, 4-current transformer, 5-water inlet pipe, 6-solenoid valve, 7-connecting water pipe, 8-sprinkler, 9-air conditioner main unit, 10-water receiving tray, 11-water inlet branch pipeline, 12-water branch pipeline, 13-return pipeline, 14-water tank, 15-filter, 81-nozzle, 82-spray hole, 83-gap. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments.

[0031] Therefore, based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present utility model.

[0032] Example 1

[0033] The present embodiment provides an air-conditioning micro-spray energy-saving device, which is used in conjunction with an air-conditioning outdoor unit. By spraying the air-conditioning outdoor unit, the working environment temperature of the air-conditioning outdoor unit under high temperature conditions is lowered, thereby reducing the electric energy consumed by the air-conditioning outdoor unit during heat exchange, thereby achieving energy saving and consumption reduction.

[0034] The air conditioner micro-spray energy-saving device includes a controller 1-1, a current transformer 4-1, a temperature sensor 3, a solenoid valve 6-1 and a nozzle 8. The water inlet side of the solenoid valve 6-1 is connected to an external water source through a water inlet pipe 5, and the water source can be a water reservoir or a tap water pipe; the water outlet side of the solenoid valve 6-1 is connected to the nozzle 8 through a connecting water pipe 7-1. Water from the water source can be transported to the solenoid valve 6-1 through the water inlet pipe 5; when the solenoid valve 6-1 is opened, water can be sprayed to the condenser position of the air conditioner outdoor unit through the connecting water pipe 7-1 and the nozzle 8 to cool down the working environment of the air conditioner outdoor unit. The connecting water pipe 7-1 can be a pipe with a certain deflection and stiffness, and the position and direction of the nozzle 8 can be adjusted at will, so that the water mist / water droplets sprayed by the nozzle 8 can be directly sprayed onto the air conditioner outdoor unit. A power line 2 is provided on the controller 1-1, and power is supplied through the power line 2. The controller 1-1 is also connected to the current transformer 4-1, the temperature sensor 3, and the solenoid valve 6-1 through a signal line. The temperature sensor 3 is used to detect the ambient temperature of the air conditioner outdoor unit or the compressor, and transmit the temperature information to the controller 1-1; the current transformer 4-1 is connected in series with the live wire of the outdoor unit, or in series with the power line of the compressor, and is used to detect the current of the air conditioner outdoor unit or the compressor, and transmit the current information to the controller 1-1; the controller 1-1 compares the detected temperature information and current information with the preset threshold value. When the spraying conditions are met, the controller 1-1 outputs a control signal to the solenoid valve 6-1, the solenoid valve 6-1 is opened, and the nozzle 8 performs the spraying operation.

[0035] The air conditioner micro-spray energy-saving device can be used to detect the ambient temperature of the air conditioner outdoor unit and the working current of the air conditioner outdoor unit or the compressor. Only when both meet the preset spraying conditions (such as ambient temperature ≥ 30°C and working current greater than 3A), the solenoid valve 6-1 will be opened, and the nozzle 8 will spray water mist / water droplets to the air conditioner outdoor unit, gradually reducing the ambient temperature of the air conditioner outdoor unit. When the ambient temperature is reduced, the power consumed by the air conditioner outdoor unit during heat exchange is also reduced, and the current of the air conditioner outdoor unit or the compressor is also reduced accordingly; when any one of the ambient temperature and the working current does not meet the preset spraying conditions, the solenoid valve 6-1 is closed, the nozzle 8 stops spraying, and the ambient temperature of the air conditioner outdoor unit is likely to gradually increase. When the ambient temperature increases, the power consumed by the air conditioner outdoor unit during heat exchange is also increased, and the current of the air conditioner outdoor unit or the compressor is also increased accordingly. Repeating the above process continuously, the ambient temperature of the air conditioner outdoor unit is effectively reduced, and the energy-saving and consumption-reducing effect is obvious.

[0036] Example 2

[0037] On the basis of Example 1, this example provides an innovative nozzle structure, which can effectively increase the diffusion angle of the sprayed water mist / water droplets and effectively increase the sprayed water mist.

[0038] The nozzle 8 includes a nozzle 81, and a nozzle hole 82 with a diameter of 0.3-0.8mm is opened at the top of the nozzle 81. The nozzle 8 is obtained by modifying a nozzle with a nozzle hole diameter of 1mm provided on the market. The original nozzle 8 is sealed with solder, and a nozzle hole with a diameter of 0.3-0.8mm is re-drilled according to the size of the external unit. For 1.0P and 1.5P hanging units, a nozzle with a nozzle hole diameter of 0.3-0.4mm is used; for 2P air-conditioning external units, a nozzle with a nozzle hole diameter of 0.5mm is used; for 3P air-conditioning external units, a nozzle with a nozzle hole diameter of 0.6-0.7mm is used; for 5P air conditioners, two nozzles are used, the upper nozzle with a nozzle hole diameter of 0.8mm and the lower nozzle with a nozzle hole diameter of 0.6-0.7mm, and the upper and lower nozzles share a solenoid valve 6-1.

[0039] In addition, a plurality of notches 83 are formed on the outer conical surface at the end of the nozzle 81 , and the plurality of notches 83 are evenly arranged along the circumference of the nozzle 81 .

[0040] Preferably, the depth of the notch 83 increases gradually in a direction approaching the spray hole 82 .

[0041] The nozzle 81 in the nozzle 8 has a spray hole diameter of 0.3-0.8 mm, which can effectively increase the sprayed water mist and produce more micro-water droplets / water mist. The diffusion angle of the micro-water droplets / water mist is increased, and the condenser of the air-conditioning outdoor unit in a larger area can be sprayed and cooled, which significantly improves the working environment of the air-conditioning outdoor unit in a high temperature environment, and the energy-saving and consumption-reducing effects of the air conditioner are better. A plurality of notches 83 are provided on the nozzle 81. Under the action of the notches 83, the micro-spray water can be diffused into a larger range based on the injection principle.

[0042] Example 3

[0043] The controller 1-1 may adopt an existing controller or a controller with an innovative circuit structure. That is:

[0044] Based on Example 1 or Example 2, this embodiment provides a controller with an innovative structural control circuit.

[0045] The control circuit of the controller 1-1 includes an AC / DC conversion module and a ULN2003APG chip;

[0046] Pin 1 of the AC / DC conversion module is connected to ground through resistors R4 and R3 in sequence, and resistor R4 is a thermistor of the temperature sensor 3; Pin 2 of the AC / DC conversion module is directly connected to ground, Pin 3 of the AC / DC conversion module is connected to the power neutral line N, and Pin 4 of the AC / DC conversion module is connected to the power live line M through a safety switch K, and a connector A is provided on the power neutral line N, and a connector B is provided on the power live line M;

[0047] Pin 1 and pin 2 of the ULN2003APG chip are grounded through resistor R3; pin 6 and pin 7 of the ULN2003APG chip are grounded through voltage stabilizing diode D6; pin 8 of the ULN2003APG chip is grounded; pin 9 of the ULN2003APG chip is connected to pin 1 of the AC / DC conversion module; pin 10 of the ULN2003APG chip is connected to pin 1 of the AC / DC conversion module through light emitting diode D2 and resistor R2 in sequence; pin 11 of the ULN2003APG chip is connected to pin 1 of the AC / DC conversion module through relay J2, and relay J2 The coil of the relay J1 is connected in parallel with a diode D4, one end of the switch side of the relay J2 is connected to the switch side of the relay J1, and the other end is connected to the solenoid valve connector M; the pin 15 of the ULN2003APG chip is connected to the pin 1 of the AC / DC conversion module through the relay J1, the coil in the relay J1 is connected in parallel with a diode D3, one end of the switch side of the relay J1 is connected to the switch side of the relay J2, and the other end is connected to the connector B, and the connector B is connected to the connector B on the power live wire M through a flying wire; the pin 16 of the ULN2003APG chip is connected to the pin 1 of the AC / DC conversion module through the light-emitting diode D1 and the resistor R1 in sequence;

[0048] The two ends of the mutual inductance coil L of the current transformer 4-1 are respectively connected to the upper and lower ends of the rectifier bridge D5. The left end of the rectifier bridge D5 is grounded, and the right end of the rectifier bridge D5 is grounded through the electrolytic capacitor C1. The right end of the rectifier bridge D5 is also grounded through the resistor R6 and the resistor R5 in turn. The connecting line between the resistor R6 and the resistor R5 is also grounded through the voltage regulator diode D6.

[0049] Example 4

[0050] This embodiment provides an air conditioning energy-saving system, which can be adapted to multiple air conditioning outdoor units at the same time, and each air conditioning outdoor unit is equipped with a set of the above-mentioned air conditioning micro-spray energy-saving device, and the sprayed water can be recycled.

[0051] The air conditioning energy-saving system comprises a water inlet main line, a water outlet main line, and a plurality of main units 9; a plurality of water inlet branch lines 11 are connected to the water inlet main line, a plurality of water inlet branch pipes are connected to the water inlet branch pipes 11, and each water inlet branch pipe is arranged corresponding to a main unit 9; a water receiving pan 10 is arranged under each air conditioning main unit 9, and the water receiving pan 10 under the air conditioning main unit 9 corresponding to each water inlet branch pipe 11 is connected to the same water outlet branch pipe; a plurality of water outlet branch pipes are connected to a water outlet branch pipe 12, and a plurality of water outlet branch pipes 12 are all connected to the water outlet main line;

[0052] The water outlet main line is connected to the water tank 14, the other side of the water tank 14 is connected to the filter 15, and the other side of the filter 15 is connected to the water inlet main line through the return line 13;

[0053] Each air-conditioning main unit 9 is correspondingly provided with the above-mentioned air-conditioning micro-spray energy-saving device, and the water inlet pipe 5 on the air-conditioning micro-spray energy-saving device is connected to the corresponding water inlet branch pipe.

[0054] Each air-conditioning host 9 is equipped with a set of air-conditioning micro-spraying energy-saving devices, and the air-conditioning micro-spraying energy-saving devices of each air-conditioning host 9 are independently controlled.

[0055] The angle between the water outlet direction of the nozzle 8 and the back side of the corresponding air conditioner main unit 9 is 10°-20°.

[0056] The angle between the water outlet direction of the nozzle 8 and the back of the air-conditioning main unit is 10-20°, and the sprayed water mist spreads out in a trumpet shape. The water mist on the condenser side close to the air-conditioning main unit is sucked into the fins by the negative pressure at the condenser to cool the fins; part of the water mist on the other side is sucked into the fins by the condenser, and the other part bounces to the fins that are farther laterally, so as to make full use of the water mist to absorb the high-pressure heat of the refrigerant, thereby further improving the energy-saving and consumption-reducing effects of the air-conditioning.

[0057] Test example:

[0058] 1. A Gree 3P air conditioner is working in an environment with an outside temperature of 40°C. After testing, the current of the compressor is 18~19A. After installing the air conditioner micro-spray energy-saving device, the current of the compressor can be reduced to 10~11A, effectively reducing the energy consumption of the air conditioner.

[0059] 2. A Midea 3P ceiling-mounted air conditioner, when the outside temperature is 42°C, is tested to have a compressor current of 15.0A. After the air conditioner micro-spray energy-saving device is installed, the compressor current can be reduced to 9.0A.

[0060] 3. A set of Midea 2P wall-mounted air conditioner with the air conditioner micro-spray energy-saving device installed. When the ambient temperature is 32°C, after turning on the air conditioner micro-spray energy-saving device, the compressor current is 6.8~7.0A. After starting the air conditioner micro-spray energy-saving device, the compressor current can be reduced to 5.6~5.8A.

[0061] After many tests, it was found that the air conditioner micro-spray energy-saving device can atomize the water in the tap water pipe into very tiny water droplets, spread it to a larger range and spray it on the condenser fins of the air conditioner. Since the heat transfer speed of water is faster than that of air, the water droplets can absorb a large amount of heat dissipated by the refrigerant on the condenser, which greatly reduces the current of the compressor. At the same time, it also reduces the pressure and temperature of the high-pressure refrigerant at the outlet of the air-conditioning compressor, and increases the circulation rate of the refrigerant in the refrigeration circuit, which not only reduces the energy consumption of the air conditioner, but also can further increase the cooling capacity of the air conditioner and extend the service life of the air-conditioning compressor.

[0062] In addition, when the air conditioner micro-spray energy-saving device is in use, the effect of micro-water droplets / mist absorbing heat on the condenser of the air conditioner outdoor unit will be affected to a certain extent due to the changes in ambient temperature and tap water temperature, but the energy-saving effect is still obvious. In addition, due to the different hardness of tap water, a thin layer of scale will form on the condenser of the air conditioner outdoor unit after long-term use of this energy-saving device, and acetic acid can be mixed with a certain proportion of hydrochloric acid and sprayed on the fins of the outdoor unit condenser regularly, and rinsed with clean water after a few minutes, which can also remove the dust attached to the condenser.

Claims

1. An air-conditioning micro-spraying energy-saving device, comprising a controller (1-1), a solenoid valve (6-1) and a spray head (8), wherein the controller (1-1) is connected to a temperature sensor (3) for detecting ambient temperature via a signal line, and the controller (1-1) is connected to the solenoid valve (6-1) via a signal line; one end of the solenoid valve (6-1) is connected to a water inlet pipe (5), and the other end of the solenoid valve (6-1) is connected to the spray head (8) via a connecting water pipe (7-1); characterized in that: It also includes a current transformer (4-1) for detecting the current of the air conditioner outdoor unit or the compressor. The current transformer (4-1) is connected to the controller (1-1) via a signal line.

2. An air-conditioning micro-spray energy-saving device as claimed in claim 1, characterized in that: The nozzle (8) comprises a nozzle (81), and a spray hole (82) having a diameter of 0.3-0.8 mm is formed at the top of the nozzle (81).

3. An air-conditioning micro-spray energy-saving device as claimed in claim 1, characterized in that: The spray head (8) comprises a nozzle (81), and a plurality of notches (83) are provided on an outer conical surface at the end of the nozzle (81) along the circumference of the nozzle (81).

4. An air-conditioning micro-spray energy-saving device as claimed in claim 3, characterized in that: The depth of the notch (83) increases gradually in a direction approaching the spray hole (82) of the spray head (8).

5. The air-conditioning micro-spray energy-saving device according to claim 1, characterized in that: The control circuit of the controller (1-1) includes an AC / DC conversion module and a ULN2003APG chip; Pin 1 of the AC / DC conversion module is connected to ground through resistors R4 and R3 in sequence, and resistor R4 is a thermistor of the temperature sensor (3); pin 2 of the AC / DC conversion module is directly connected to ground, pin 3 of the AC / DC conversion module is connected to the power neutral line N, and pin 4 of the AC / DC conversion module is connected to the power live line M through a safety switch K, and a connector A is provided on the power neutral line N, and a connector B is provided on the power live line M; Pin 1 and pin 2 of the ULN2003APG chip are grounded through resistor R3; pin 6 and pin 7 of the ULN2003APG chip are grounded through voltage stabilizing diode D6; pin 8 of the ULN2003APG chip is grounded; pin 9 of the ULN2003APG chip is connected to pin 1 of the AC / DC conversion module; pin 10 of the ULN2003APG chip is connected to pin 1 of the AC / DC conversion module through light emitting diode D2 and resistor R2 in sequence; pin 11 of the ULN2003APG chip is connected to pin 1 of the AC / DC conversion module through relay J2, and relay J2 The coil of the relay J1 is connected in parallel with a diode D4, one end of the switch side of the relay J2 is connected to the switch side of the relay J1, and the other end is connected to the solenoid valve connector M; the pin 15 of the ULN2003APG chip is connected to the pin 1 of the AC / DC conversion module through the relay J1, the coil in the relay J1 is connected in parallel with a diode D3, one end of the switch side of the relay J1 is connected to the switch side of the relay J2, and the other end is connected to the connector B, and the connector B is connected to the connector B on the power live wire M through a flying wire; the pin 16 of the ULN2003APG chip is connected to the pin 1 of the AC / DC conversion module through the light-emitting diode D1 and the resistor R1 in turn; The two ends of the mutual inductance coil L of the current transformer (4-1) are respectively connected to the upper and lower ends of the rectifier bridge D5. The left end of the rectifier bridge D5 is grounded, and the right end of the rectifier bridge D5 is grounded through the electrolytic capacitor C1. The right end of the rectifier bridge D5 is also grounded through the resistor R6 and the resistor R5 in sequence. The connecting line between the resistor R6 and the resistor R5 is also grounded through the voltage regulator diode D6.

6. An air conditioning energy-saving system, characterized in that: The invention comprises a water inlet main line, a water outlet main line, and a plurality of main units (9); a plurality of water inlet branch lines (11) are connected to the water inlet main line, a plurality of water inlet branch pipes are connected to the water inlet branch lines (11), and each water inlet branch pipe is provided corresponding to a main unit (9); a water receiving pan (10) is provided below each air-conditioning main unit (9), and the water receiving pan (10) below the air-conditioning main unit (9) corresponding to each water inlet branch line (11) is connected to the same water outlet branch pipe; a plurality of water outlet branch pipes are connected to a water outlet branch line (12), and a plurality of water outlet branch pipes (12) are connected to the water outlet main line; The water outlet main line is connected to the water tank (14), the other side of the water tank (14) is connected to the filter (15), and the other side of the filter (15) is connected to the water inlet main line through the return line (13); Each air-conditioning main unit (9) is provided with an air-conditioning micro-spraying energy-saving device according to any one of claims 1 to 5, and a water inlet pipe (5) on the air-conditioning micro-spraying energy-saving device is connected to a corresponding water inlet branch pipe.

7. An air conditioning energy-saving system as claimed in claim 6, characterized in that: The angle between the water outlet direction of the nozzle (8) and the back side of the corresponding air conditioner main unit (9) is 10°-20°.

Images