Central air conditioner self-control energy-saving water cooling device

Abstract

The application provides a central air conditioner self-control energy-saving water cooling device, and relates to the technical field of air cooling. The central air conditioner self-control energy-saving water cooling device comprises a frame, a cold-heat medium circulation system and a water tank assembly fixedly installed on the frame, the cold-heat medium circulation system is two groups, and is connected with upper and lower ends of the water tank assembly respectively; and a heating assembly and a refrigeration assembly are installed on the water tank assembly. The central air conditioner self-control energy-saving water cooling device has the effects of energy saving and cooling by setting the cold-heat medium circulation system and the water tank assembly, does not need to supply water source additionally, and has lower pollution of condensate water to pipelines, so that the existing central air conditioner outdoor unit can still be used without additional heat dissipation fans, wind power can be used twice, the effects of energy saving and cooling are achieved, and the refrigeration assembly can keep the central air conditioner operating all the time by using small energy.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of air conditioning cooling technology, in particular to a central air conditioner self-control energy-saving water cooling device. BACKGROUND

[0002] The central air conditioner refers to a large air conditioning system, which is composed of a main machine and a terminal. The main machine is divided into a water-cooled unit and an air-cooled unit. The terminal equipment is mainly composed of an air conditioning unit and a fan coil. Unlike ordinary household air conditioners, central air conditioners can be used in large-scale buildings. Unlike traditional refrigerant air conditioners, the system centrally processes air to meet comfort requirements, uses the principle of liquid gasification refrigeration to provide the required cold quantity for the air conditioning system to offset the heat load of the indoor environment. The heating system provides the required heat for the air conditioning system to offset the heating and cooling load of the indoor environment.

[0003] Since the power device of the central air conditioner control module generates a large amount of heat, in order to ensure its normal operation, the control module must be effectively cooled. The existing air conditioning cooling system generally uses air cooling or water cooling for heat dissipation. However, the single heat dissipation effect of air cooling or water cooling is not good, and it is difficult to ensure that the heat of the control module is dissipated in time. The control module is prone to overheating, unstable operation, and reduced performance, which affects the normal operation of the central air conditioner.

[0004] The existing water cooling uses refrigerant, which is too high in cost and not suitable for large-scale central air conditioners. The second is to use normal cooling water, but using ordinary cooling water has many disadvantages:

[0005] 1. The circulating cooling water will gradually decrease over time and needs to be replenished regularly, so a water pump and water level monitoring device need to be set up, which is suitable for large central air conditioners but not for single main machine central air conditioners.

[0006] 2. Ordinary cooling water is hard water, which will produce scale in the flow guide pipe or water tank during heat transfer, affecting use over time.

[0007] 3. The cold and heat energy of the air conditioner outdoor unit cannot be reasonably utilized, resulting in the need for additional cooling or refrigeration equipment, which increases energy consumption while cooling the central air conditioner equipment. The actual use effect is very small, and it is difficult to achieve the effect of cooling while saving central air conditioner energy, which is not suitable for large-scale promotion. SUMMARY

[0008] In view of the deficiencies of the prior art, the present application provides a central air conditioner self-control energy-saving water cooling device to solve the problems raised in the above background art.

[0009] In order to achieve the above object, the present application is realized by the following technical scheme: a central air conditioner self-control energy-saving water cooling device, comprising a frame, further comprising a cold and hot medium circulating system and a water tank assembly fixedly installed on the frame, the cold and hot medium circulating system is two groups, and is connected with upper and lower ends of the water tank assembly respectively; further comprising a heating assembly and a refrigeration assembly installed on the water tank assembly;

[0010] The water tank assembly comprises a water storage tank and a conical filter screen, and the conical filter screen is fixed to the inner bottom end of the water storage tank.

[0011] The cold and hot medium circulating system comprises a water pump A, a water pump B, a heat-conducting copper pipe A, a fin A and a fan A, wherein the water pump A and the water pump B contained in one cold and hot medium circulating system are both installed on the upper part of the water storage tank, the water outlet end of the water pump A extends to the bottom of the water storage tank and is above the conical filter screen, the water inlet end of the water pump B extends to the upper part of the water storage tank, the water pump A and the water pump B contained in the other cold and hot medium circulating system are both installed on the bottom end side of the water storage tank and are in communication with the area below the conical filter screen of the water storage tank, the heat-conducting copper pipe A is provided with a plurality of ends, which are respectively communicated with the water pump A and the water pump B, the fin A is provided with a plurality of ends, which are fixed on the plurality of heat-conducting copper pipes A, and the fan A is on one side of the fin A and is used for blowing air to the fin A, and the fan A and the fin A are both fixed on the frame.

[0012] Preferably, the water tank assembly further comprises a drain pipe and a flushing valve, the drain pipe is fixed to the bottom of the water storage tank and is in communication with the inside of the water storage tank below the conical filter screen, the bottom end center of the conical filter screen is provided with a residue discharge port, and the flushing valve is connected with the residue discharge port.

[0013] Preferably, the water tank assembly further comprises a water supplement pipe, the water supplement pipe is fixed and communicated with the upper end of the water storage tank, and the water supplement pipe is connected with a central air conditioner condensate water discharge pipe.

[0014] Preferably, the cold and hot medium circulating system further comprises a mounting bracket for fixing the fan A, the mounting bracket is also used for fixing the heat-conducting copper pipe A, and the outer side of the mounting bracket is fixed with the frame.

[0015] Preferably, the cold and hot medium circulating system further comprises two water distributors, the two ends of any heat-conducting copper pipe A are respectively communicated with the two water distributors, and the two water distributors are respectively used for connecting the water inlet end of the water pump A and the water outlet end of the water pump B.

[0016] Preferably, the heating assembly comprises fins B, a heat-conducting copper pipe B and a connector A, the fins B are provided in multiple and longitudinally distributed, the multiple fins B are equidistantly arranged around and fixed on the side wall of the water storage tank and located at the middle and lower section of the water storage tank, the heat-conducting copper pipe B is spirally sleeved outside the water storage tank and uniformly penetrates all the fins B, the fins B are used for transferring the heat of the heat-conducting copper pipe B to the water storage tank, and the connector A is located at one side arm of the water storage tank and connected to both ends of the heat-conducting copper pipe B, and the connector A is connected to the high-temperature evaporator pipeline of the central air conditioner.

[0017] Preferably, the refrigeration assembly comprises a heat-conducting copper pipe C, fins C and a connector B, the heat-conducting copper pipe C is inserted into the water storage tank in a curved shape and above the heat-conducting copper pipe B, the fins C are provided in multiple, the curved part of the heat-conducting copper pipe C penetrates the fins C, the fins C absorb the heat inside the water storage tank and transfer it to the heat-conducting copper pipe C, both ends of the heat-conducting copper pipe C are outside the water storage tank, and the connector B is connected to both ends of the heat-conducting copper pipe C, and the connector B is connected to the low-temperature evaporator pipeline of the central air conditioner.

[0018] Preferably, a fan B is further fixedly installed in the frame, and the fan B is located below the water storage tank and used for blowing air to all the fins B.

[0019] Preferably, an electrical cabinet is further fixedly installed in the frame.

[0020] Compared with the prior art, the present application has the following beneficial effects:

[0021] 1. The central air conditioner self-control energy-saving water cooling device, by setting the cold and hot medium circulation system and the water tank assembly, the water storage tank stores the condensate water of the central air conditioner daily, maintains the appropriate liquid level, supplements the water in time when the water is insufficient, the water quality is clean and is not easy to form water scale, the upper cold and hot medium circulation system is used for circulating the condensate water inside the water storage tank and cooling it, the lower cold and hot medium circulation system outputs the condensate water which has been cooled to the outside, and thus the fan A is used for blowing the cold air to the central air conditioner control module, so that the existing condensate water can be used to cool the control module, the heat-conducting copper pipe A can be inserted between the circuit boards of the control module, and the heat-conducting silicone grease is used, so that the cooled condensate water can participate in water cooling, the effect of energy-saving and cooling central air conditioner is realized, no additional water source is needed, and the pollution of the condensate water to the pipeline is lower.

[0022] 2. The central air conditioner self-control energy-saving water cooling device, generally, the fins A used for heat dissipation on the upper side can be cooled by using the original cooling fan of the central air conditioner, when the circulating air cannot be used, the fan A is used again, so that the cooled water flows to the bottom of the water storage tank, the condensate water on the upper side is cooled, the existing central air conditioner outdoor unit can still be used without additional heat dissipation fan, the secondary use of wind power can be realized, and the effect of energy-saving and cooling is achieved.

[0023] 3、 the central air conditioning automatic control energy-saving water cooling device, through setting refrigeration assembly, utilize the central air conditioning refrigeration evaporator extra cold air to make the heat conduction copper pipe C cooling, for the condensate water inside the water storage tank is further cooled and handled, then the cooling water for the cooling control module is lower temperature, in combination with the refrigeration capacity of air conditioner, reasonable use of cold air, can realize the effect of using smaller energy to keep the central air conditioner always operating.

[0024] 4、 the central air conditioning automatic control energy-saving water cooling device, through setting heating assembly, heat conduction copper pipe B is used for regularly heating the water storage tank, avoid the inside of the water storage tank to breed mould and cause blockage, after high temperature treatment of the water storage tank, the scale on the inner wall can also be stripped when supplying cold water, and is discharged through the deslagging port and the flushing valve, guarantee the inside of the water storage tank clean, the effect of smooth pipeline.

[0025] 5、 the central air conditioning automatic control energy-saving water cooling device, through setting fan B, fan B regularly operates, for cooling the outside of the water storage tank. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is structure schematic view of the present application;

[0027] Figure 2 It is structure top view of the present application;

[0028] Figure 3 It is structure front view of the present application;

[0029] Figure 4 It is part structure schematic view of the present application;

[0030] Figure 5 It is structure view of cold and hot medium circulation system and water tank assembly of the present application;

[0031] Figure 6 It is structure view of water tank assembly of the present application;

[0032] Figure 7 It is internal structure view of water tank assembly of the present application;

[0033] Figure 8 It is another side internal structure view of water tank assembly of the present application;

[0034] Figure 9 It is structure sectional view of water tank assembly of the present application.

[0035] In the figure: 1, frame; 2, cold and hot medium circulation system; 201, water pump A; 202, water pump B; 203, heat-conducting copper pipe A; 204, fin A; 205, fan A; 206, mounting rack; 207, water distributor; 3, water tank assembly; 301, water storage tank; 302, conical filter screen; 303, drain pipe; 304, flushing valve; 305, slag discharge port; 306, water replenishment pipe; 4, heating assembly; 401, fin B; 402, heat-conducting copper pipe B; 403, connector A; 5, refrigeration assembly; 501, heat-conducting copper pipe C; 502, fin C; 503, connector B; 6, fan B; 7, electrical cabinet. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0037] It should be noted that all directional indications in the embodiments of the present application are only used to explain the relative position relationship, movement condition and the like between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0038] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixation" and the like should be understood in a broad sense, for example, "fixation" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through an intermediate medium; can be internal connection of two elements or interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] In addition, the description such as "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the fact that the technical solutions can be realized by those skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection claimed by the present application.

[0040] As Figures 1-9As shown, a central air conditioning automatic control energy-saving water cooling device, including frame 1, different from the existing is: still including fixedly installed on the frame 1's cold and hot medium circulation system 2 and water tank assembly 3, cold and hot medium circulation system 2 is two groups, is connected with the upper and lower ends of water tank assembly 3 respectively;Still including the heating assembly 4 and refrigeration assembly 5 installed on the water tank assembly 3.

[0041] Water tank assembly 3 includes water storage tank 301 and conical filter screen 302, conical filter screen 302 is fixed in the inside bottom end of water storage tank 301.

[0042] Cold and hot medium circulation system 2 includes water pump A 201, water pump B 202, heat-conducting copper pipe A 203, fin A 204 and fan A 205, wherein one cold and hot medium circulation system 2 contains water pump A 201 and water pump B 202 are installed in the upper part of water storage tank 301, the water outlet end of water pump A 201 extends to the bottom of water storage tank 301 and is above conical filter screen 302, the water inlet end of water pump B 202 extends to the upper part of water storage tank 301, the other cold and hot medium circulation system 2 contains water pump A 201 and water pump B 202 are installed in the bottom end side of water storage tank 301, and are communicated with the area below conical filter screen 302 of water storage tank 301, heat-conducting copper pipe A 203 is provided with multiple, both ends are communicated with water pump A 201 and water pump B 202 respectively, fin A 204 is provided with multiple, and is fixed on multiple heat-conducting copper pipe A 203, fan A 205 is at one side of fin A 204, for blowing wind to fin A 204, fan A 205 and fin A 204 are fixed on frame 1.

[0043] Frame 1 is installed in the central air conditioning outdoor unit as a whole, the structure shape of frame 1 can be adjusted according to the actual space, and frame 1 is connected by angle steel, which can be customized according to the actual site.

[0044] Water storage tank 301 adopts stainless steel tank body, conical filter screen 302 is welded in the inner wall thereof, and both form an integral whole, and the conical filter screen 302 is provided with mesh holes for draining water.

[0045] Water pump A 201 and water pump B 202 are controlled to operate by a central intelligent controller, and water pump A 201 and water pump B 202 are both low-power water pumps, which are operated with low power consumption in daily life, heat-conducting copper pipe A 203 can be bent and customized according to the actual installation position, and the length specification can also be changed, and the longest one should not exceed 2 m.

[0046] Water tank assembly 3 further includes drain pipe 303 and flushing valve 304, drain pipe 303 is fixed at the bottom of water storage tank 301 and is communicated with the inside of water storage tank 301 below the lower side of conical filter screen 302, the bottom end center of conical filter screen 302 is provided with a residue discharge port 305, and the flushing valve 304 is connected with the residue discharge port 305.

[0047] The drain pipe 303 is connected with the electromagnetic valve for periodically replacing the cooling water in the water storage tank 301, and can also be used to control the liquid level in the water storage tank 301. The flushing valve 304 is a ball valve, which can discharge large-diameter particulate matter. When the flushing of the water storage tank 301 is implemented, the particulate matter can flow out of the deslagging port 305 and be discharged through the flushing valve 304.

[0048] The water tank assembly 3 further comprises a water replenishing pipe 306 fixedly connected with the upper end of the water storage tank 301 and in communication with the water storage tank 301. The water replenishing pipe 306 is connected with the condensate water discharge pipe of the central air conditioner.

[0049] The electromagnetic valve is installed on the water replenishing pipe 306 and can be remotely controlled to open and close. When the water storage tank 301 needs to be replenished, the water replenishing pipe 306 can use the condensate water generated by the central air conditioner, which is relatively clean and not easy to contaminate the water storage tank 301.

[0050] The cold and hot medium circulation system 2 further comprises a mounting bracket 206 for fixing the fan A 205. The mounting bracket 206 is also used to fix the heat-conducting copper pipe A 203. The outer side of the mounting bracket 206 is fixed with the frame 1.

[0051] The cold and hot medium circulation system 2 further comprises two water distributors 207. The two ends of any one heat-conducting copper pipe A 203 are respectively in communication with the two water distributors 207. The two water distributors 207 are respectively used to connect the water inlet end of the water pump A 201 and the water outlet end of the water pump B 202.

[0052] The water distributor 207 can divide the water in one main pipeline to multiple heat-conducting copper pipes A 203.

[0053] The heating assembly 4 comprises fins B 401, heat-conducting copper pipes B 402 and a connector A 403. The fins B 401 are provided in multiple numbers and longitudinally distributed. The multiple fins B 401 are equidistantly arranged around and fixed to the side wall of the water storage tank 301 and located at the middle and lower sections of the water storage tank 301. The heat-conducting copper pipes B 402 are spirally sleeved outside the water storage tank 301 and uniformly pass through all the fins B 401. The fins B 401 are used to transfer the heat of the heat-conducting copper pipes B 402 to the water storage tank 301. The connector A 403 is located at one side of the water storage tank 301 and connected with the two ends of the heat-conducting copper pipes B 402. The connector A 403 is connected with the high-temperature evaporator pipeline of the central air conditioner.

[0054] After being compressed, the refrigerant of the central air conditioner generates high-temperature and high-pressure steam, which is then cooled by the evaporator. At this time, a part of the high temperature can be divided by the electromagnetic valve to the connector A 403, which is used to heat the fins B 401, so as to heat the inner wall of the water storage tank 301. The dirt on the inner wall can be stripped at high temperature. The better stripping effect can be achieved by instant addition of cold water. The scale and stains can be treated.

[0055] The refrigeration assembly 5 comprises a heat-conducting copper pipe C501, fins C502 and a connector B503. The heat-conducting copper pipe C501 is inserted into the water storage tank 301 in a curved shape and is above the heat-conducting copper pipe B402. The fins C502 are provided in plurality. The curved portion of the heat-conducting copper pipe C501 penetrates through the fins C502. The fins C502 absorb the heat inside the water storage tank 301 and transfer it to the heat-conducting copper pipe C501. The two end portions of the heat-conducting copper pipe C501 are outside the water storage tank 301. The connector B503 connects the two end portions of the heat-conducting copper pipe C501. The connector B503 is connected to the low-temperature evaporator pipeline of the central air conditioner.

[0056] After the refrigerant of the central air conditioner is released, the temperature is sharply reduced. A part of the refrigerant is used to cool the condensed water inside the water storage tank 301 through the heat-conducting copper pipe C501. A temperature sensor is installed inside the water storage tank 301. Whether the outside refrigerant is used for cooling can be selected according to the water temperature inside.

[0057] A fan B6 is also fixedly installed in the frame 1. The fan B6 is below the water storage tank 301 and is used to blow air to all the fins B401.

[0058] An electrical cabinet 7 is also fixedly installed in the frame 1.

[0059] The electrical cabinet 7 is used to install the circuit boards of all control devices and various control modules.

[0060] In use, the water supplement pipe 306 is connected to the air conditioner condenser pipe, the water storage tank 301 stores the central air conditioner condensing water, the electromagnetic valve is used to maintain the appropriate liquid level, the water is supplemented in time when the water is insufficient, the water quality is clean and not easy to scale, in general, the fins A204 on the top for heat dissipation can be cooled by the original cooling fan of the central air conditioner, and when there is no circulating air available, the fan A205 is used again, so that the cooled cooling water flows to the bottom of the water storage tank 301, and the condensate water on the top is cooled to ensure that the existing central air conditioner outdoor unit can still be used without additional cooling fans, realizing the secondary use of wind power, using the additional cold air of the central air conditioner evaporator to cool the heat-conducting copper pipe C501, which is used for further cooling treatment of the condensate water in the water storage tank 301, and the cooling water used for cooling control module has a lower temperature, combined with the refrigeration capacity of the air conditioner, the cold air is reasonably used, the upper cold heat medium circulation system 2 is used to circulate the condensate water in the water storage tank 301 and cool it, and the lower cold heat medium circulation system 2 outputs the cooled condensate water to the outside, so that the fan A205 on the lower side is used to blow the cold air to the central air conditioner control module, so that the existing condensate water can be used to cool the air conditioner control module, or the heat-conducting copper pipe A203 can be inserted between the circuit boards of the control module, and the heat-conducting silicone grease is used, so that the cooled condensate water can participate in water cooling, the heat-conducting copper pipe B402 is used to periodically heat the water storage tank 301 to avoid the growth of mold in the water storage tank 301, which causes blockage, and after high-temperature treatment of the water storage tank 301, the scale on the inner wall can be stripped off when supplying cold water and discharged through the slag discharge port 305 and the flushing valve 304, ensuring that the inside of the water storage tank 301 is clean and the pipeline is smooth.

[0061] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present specification.

[0062] In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the present application.

[0063] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A central air conditioning automatic control energy-saving water cooling device, comprising a frame, characterized in that: The cold and hot medium circulation system and the water tank assembly are fixedly installed on the frame, the cold and hot medium circulation system is two groups, and is connected with upper and lower ends of the water tank assembly respectively. The water tank assembly comprises a water storage tank and a conical filter screen, and the conical filter screen is fixed to the inner bottom end of the water storage tank. The cold and hot medium circulation system comprises a water pump A, a water pump B, a heat-conducting copper pipe A, a fin A and a fan A, wherein the water pump A and the water pump B contained in one cold and hot medium circulation system are both installed on the upper portion of the water storage tank, the water outlet end of the water pump A extends to the bottom portion of the water storage tank and is above the conical filter screen, the water inlet end of the water pump B extends to the upper portion of the water storage tank, the water pump A and the water pump B contained in the other cold and hot medium circulation system are both installed on the bottom end side of the water storage tank and are in communication with the area below the conical filter screen of the water storage tank, the heat-conducting copper pipe A is provided with a plurality of ends, and the two ends are respectively communicated with the water pump A and the water pump B, the fin A is provided with a plurality of fins, and the plurality of fins are fixed on the plurality of heat-conducting copper pipes A, the fan A is on one side of the fin A and is used for blowing air to the fin A, and the fan A and the fin A are both fixed on the frame, and the fin A above the frame is used for heat dissipation and can be cooled by the original cooling fan of the central air conditioner. The heating assembly comprises a fin B, a heat-conducting copper pipe B and a connector A, the fin B is provided with a plurality of fins and is longitudinally distributed, the plurality of fins are equidistantly surrounded and fixed on the side wall of the water storage tank and are located in the middle and lower section of the water storage tank, the heat-conducting copper pipe B is spirally sleeved outside the water storage tank and uniformly penetrates all the fins B, the fin B is used for transmitting the heat of the heat-conducting copper pipe B to the water storage tank, and the connector A is located on one side wall of the water storage tank and connects the two ends of the heat-conducting copper pipe B, the connector A is connected with the high-temperature evaporator pipeline of the central air conditioner, the refrigerant generates high-temperature and high-pressure steam after being compressed, is divided into a part of the connector A through the electromagnetic valve and is used for heating the fin B, so that the inner wall of the water storage tank is heated. The fan B is also fixedly installed in the frame and is below the water storage tank and is used for blowing air to all the fins B. The water tank assembly further comprises a water supplement pipe, the water supplement pipe is fixed and communicated with the upper end of the water storage tank, and the water supplement pipe is connected with the condensate water discharge pipe of the central air conditioner.

2. The central air conditioner self-control energy-saving water cooling device according to claim 1, characterized in that: The water tank assembly further comprises a drain pipe and a flushing valve, the drain pipe is fixed on the bottom of the water storage tank and is communicated with the inside of the water storage tank below the conical filter screen, a residue discharge port is arranged at the bottom center of the conical filter screen, and the flushing valve is connected with the residue discharge port.

3. The central air conditioner self-control energy-saving water cooling device according to claim 2, characterized in that: The cold and hot medium circulation system further comprises a mounting bracket for fixing the fan A, the mounting bracket is also used for fixing the heat-conducting copper pipe A, and the outer side of the mounting bracket is fixed with the frame.

4. The central air conditioner self-control energy-saving water cooling device according to claim 3, characterized in that: The cold and hot medium circulation system further comprises two water distributors, the two ends of any heat-conducting copper pipe A are respectively communicated with the two water distributors, and the two water distributors are respectively used for connecting the water inlet end of the water pump A and the water outlet end of the water pump B.

5. The central air conditioner self-control energy-saving water cooling device according to claim 4, characterized in that: The refrigeration assembly comprises heat-conducting copper pipes C, fins C and connectors B, the heat-conducting copper pipes C are inserted into the water storage tank in a curved shape and are above the heat-conducting copper pipes B, the fins C are provided in plurality, the curved portions of the heat-conducting copper pipes C pass through the fins C, the fins C absorb the heat inside the water storage tank and transfer to the heat-conducting copper pipes C, the two end portions of the heat-conducting copper pipes C are outside the water storage tank, the connectors B connect the two end portions of the heat-conducting copper pipes C, and the connectors B are connected with the low-temperature evaporator pipeline of the central air conditioner.

6. The central air conditioner self-control energy-saving water cooling device according to claim 5, characterized in that: An electrical cabinet is fixedly installed in the frame.

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