Water cooling unit for central air conditioner

Abstract

The utility model relates to the technical field of refrigeration, in particular to a water cooling unit for a central air conditioner, which comprises a main frame body and an auxiliary frame body, a condenser body, an evaporator body and an expansion water tank are sequentially mounted at the top of the main frame body, a compressor body is mounted at the top of the condenser body, and a heater body is mounted at the top of the auxiliary frame body; a bottom plate is installed below the main rack body, and a first variable-frequency water pump and a second variable-frequency water pump are sequentially installed at the top of the bottom plate. The size of the device is reduced, the optimized appearance is attractive, meanwhile, the compressor body, the condenser body, the liquid storage tank body, the drying filter body, the evaporator body and the gas-liquid separator body are sequentially welded through copper pipes to form a refrigerant loop, and the refrigerating speed and the cooling speed of the device are increased.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigeration technology, in particular to a water cooling unit for a central air conditioner. Background Art

[0002] Chillers are widely used in construction, industrial production and other fields. They can provide cooling capacity, reduce indoor temperature to a comfortable level, and control indoor humidity, improving people's work efficiency and living comfort. In addition, chillers can also be used in industrial production to control process temperature, reduce the operating temperature of equipment, and improve efficiency and quality.

[0003] Existing chillers consume a lot of electricity during operation. At the same time, some chillers generate noise during operation, which may interfere with the surrounding environment. In addition, as complex refrigeration equipment, chillers require regular maintenance and servicing, with high maintenance costs. At the same time, some old or poorly designed chillers may have low cooling efficiency. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a water cooling unit for a central air conditioner.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A water-cooling unit for a central air conditioner comprises a main frame and a sub-frame, wherein a condenser body, an evaporator body and an expansion water tank are sequentially mounted on the top of the main frame, a compressor body is mounted on the top of the condenser body, and a heater body is mounted on the top of the sub-frame;

[0007] A bottom plate is installed below the main frame body, and a first variable frequency water pump and a second variable frequency water pump are installed in sequence on the top of the bottom plate.

[0008] In addition, a preferred structure is that a first water outlet is provided on one side of the first variable frequency water pump, and a second water outlet is provided on one side of the second variable frequency water pump.

[0009] In addition, a preferred structure is that a third water inlet is provided on one side of the bottom of the heater body, and one end of the third water outlet is connected to the first water delivery pipe, and the other end of the first water delivery pipe is connected to the second variable frequency water pump.

[0010] In addition, a preferred structure is that a third water outlet is provided at the other end of the bottom of the heater body, one end of the third water outlet is connected to a second water delivery pipe, and the other end of the second water delivery pipe is connected to the evaporator body.

[0011] In addition, a preferred structure is that a first water inlet is provided on one side of the condenser body, one end of the first water inlet is connected to a third water delivery pipe, and one end of the third water delivery pipe is connected to the first water outlet of the first variable frequency water pump.

[0012] In addition, a preferred structure is that a second water inlet is provided on one side of the evaporator body, one end of the second water inlet is connected to a fourth water delivery pipe, the other end of the fourth water delivery pipe is provided with a three-way valve body, and two fifth water delivery pipes are connected through the three-way valve body, and the fifth water delivery pipes are respectively connected to the second water outlet of the second variable frequency water pump and the expansion water tank.

[0013] The beneficial effects of the utility model are:

[0014] In the utility model, the device reduces the volume and optimizes the appearance. At the same time, a refrigerant circuit is formed by welding copper tubes in sequence between the compressor body, condenser body, liquid storage tank body, dry filter body, evaporator body, and gas-liquid separator body, thereby improving its refrigeration speed and cooling speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a side view structural diagram of a central air-conditioning water cooling unit proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the main structure of a water cooling unit for a central air conditioner proposed by the utility model;

[0017] Figure 3 The utility model is a schematic diagram of the structure of a central air-conditioning water cooling unit from a top view.

[0018] In the figure: 1. compressor body; 2. condenser body; 3. evaporator body; 4. expansion water tank; 5-1. first variable frequency water pump; 5-2. second variable frequency water pump; 6. heater body; 7. first water outlet; 8. first water inlet; 9. second water outlet; 10. second water inlet; 11. liquid storage tank body; 12. drying filter body; 13. gas-liquid separator body; 14. third water inlet; 15. third water outlet; 16. main frame body; 17. auxiliary frame body. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-3A water-cooling unit for a central air conditioner comprises 1, a main frame body 16, and an auxiliary frame body 17, wherein a condenser body 2, an evaporator body 3, and an expansion water tank 4 are sequentially mounted on the top of the main frame body 16, and a compressor body 1 is mounted on the top of the condenser body 2, and a liquid storage tank body 11, a drying filter body 12, and a gas-liquid separator body 13 are sequentially mounted on the top of the condenser body 2 and located outside the compressor body 1.

[0021] At the same time, a heater body 6 is installed on the top of the auxiliary frame body 17, and a base plate is installed under the main frame body 16. The first variable frequency water pump 5-1 and the second variable frequency water pump 5-2 are installed on the top of the base plate in sequence, and universal wheels are installed around the bottom of the base plate and the bottom of the auxiliary frame body 17, and the universal wheels have a self-locking mechanism, wherein the universal wheels facilitate the movement of the equipment and increase practicality.

[0022] The condenser body 2, the evaporator body 3, the expansion water tank 4, the compressor body 1, the liquid storage tank body 11, the drying filter body 12, and the gas-liquid separator body 13 are all existing structures and technologies, so they are not elaborated in this article.

[0023] At the same time, a first water outlet 7 is provided on one side of the first variable frequency water pump 5-1, and a second water outlet 9 is provided on one side of the second variable frequency water pump 5-2. The first variable frequency water pump 5-1 and the second variable frequency water pump 5-2 are both existing structures and technologies, so this article will not go into details. The first variable frequency water pump 5-1 and the second variable frequency water pump 5-2 can adjust the running speed of the water pump according to actual needs to avoid excessive flow and water pressure, and can realize gradual start and stop to reduce the mechanical impact of the water pump.

[0024] At the same time, a third water inlet 14 is provided on one side of the bottom of the heater body 6, and one end of the third water outlet 15 is connected to the first water delivery pipe, and the other end of the first water delivery pipe is connected to the second variable frequency water pump 5-2.

[0025] In addition, a third water outlet 15 is provided at the other end of the bottom of the heater body 6, one end of the third water outlet 15 is connected to a second water delivery pipe, and the other end of the second water delivery pipe is connected to the evaporator body 3, wherein the heater body 6 can utilize electrical energy to achieve a heating effect.

[0026] In addition, a first water inlet 8 is provided on one side of the condenser body 2, one end of the first water inlet 8 is connected to a third water delivery pipe, one end of the third water delivery pipe is connected to the first water outlet 7 of the first variable frequency water pump 5-1, wherein the high-temperature and high-pressure refrigerant is converted into a low-temperature and low-pressure state through the condenser body 2, and its condenser body 2 is a shell and tube heat exchanger.

[0027] In addition, a second water inlet 10 is provided on one side of the evaporator body 3, one end of the second water inlet 10 is connected to a fourth water delivery pipe, the other end of the fourth water delivery pipe is provided with a three-way valve body, and two fifth water delivery pipes are connected through the three-way valve body, and the fifth water delivery pipes are respectively connected to the second water outlet 9 of the second variable frequency water pump 5-2 and the expansion water tank 4, wherein the main function of the evaporator body 3 is to utilize liquid substances to be converted into gaseous state under low pressure conditions, and absorb surrounding heat in the process, so as to achieve the effect of refrigeration or cooling, and at the same time, the main function of the expansion water tank 4 is to accommodate the increased amount of water in the heating system or HVAC system due to thermal expansion and contraction, so as to reduce water pressure fluctuations and maintain stable operation of the system, and the evaporator body 3 is a shell and tube heat exchanger.

[0028] In addition, the compressor body 1 and the condenser body 2 are welded by copper tubes, the condenser body 2 and the liquid storage tank body 11 are welded by copper tubes, the liquid storage tank body 11 and the drying filter body 12 are welded by copper tubes, the drying filter body 12 and the evaporator body 3 are welded by copper tubes, the evaporator body 3 and the gas-liquid separator body 13 are welded by copper tubes, and the gas-liquid separator body 13 and the compressor body 1 are welded by copper tubes, thereby forming a refrigerant circuit.

[0029] In the utility model, the device reduces the volume and optimizes the appearance. At the same time, the compressor body 1, the condenser body 2, the liquid storage tank body 11, the drying filter body 12, the evaporator body 3, and the gas-liquid separator body 13 are welded in sequence through copper pipes to form a refrigerant circuit, thereby improving its

[0030] Refrigeration speed and temperature reduction speed.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A water cooling unit for a central air conditioner, comprising a main frame (16) and a sub-frame (17), characterized in that: The top of the main frame body (16) is sequentially mounted with a condenser body (2), an evaporator body (3), and an expansion water tank (4), the top of the condenser body (2) is mounted with a compressor body (1), and the top of the auxiliary frame body (17) is mounted with a heater body (6); A bottom plate is installed below the main frame body (16), and a first variable frequency water pump (5-1) and a second variable frequency water pump (5-2) are installed in sequence on the top of the bottom plate.

2. A central air-conditioning water cooling unit according to claim 1, characterized in that: A first water outlet (7) is provided on one side of the first variable frequency water pump (5-1), and a second water outlet (9) is provided on one side of the second variable frequency water pump (5-2).

3. A central air-conditioning water cooling unit according to claim 1, characterized in that: A third water inlet (14) is provided on one side of the bottom of the heater body (6), and one end of the third water outlet (15) is connected to a first water delivery pipe, and the other end of the first water delivery pipe is connected to a second variable frequency water pump (5-2).

4. A central air-conditioning water cooling unit according to claim 3, characterized in that: A third water outlet (15) is provided at the other end of the bottom of the heater body (6), one end of the third water outlet (15) is connected to a second water delivery pipe, and the other end of the second water delivery pipe is connected to the evaporator body (3).

5. A central air-conditioning water cooling unit according to claim 1, characterized in that: A first water inlet (8) is provided on one side of the condenser body (2), one end of the first water inlet (8) is connected to a third water delivery pipe, and one end of the third water delivery pipe is connected to a first water outlet (7) of the first variable frequency water pump (5-1).

6. A central air-conditioning water cooling unit according to claim 1, characterized in that: A second water inlet (10) is provided on one side of the evaporator body (3); one end of the second water inlet (10) is connected to a fourth water delivery pipe; the other end of the fourth water delivery pipe is provided with a three-way valve body, and two fifth water delivery pipes are connected via the three-way valve body; the fifth water delivery pipes are respectively connected to a second water outlet (9) of the second variable frequency water pump (5-2) and an expansion water tank (4).

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