Modular self-cleaning liquid cooling heat dissipation device

Abstract

The invention is suitable for the technical field of energy storage liquid cooling devices, and provides a modular self-cleaning liquid cooling constant temperature device which comprises an electric control assembly, a water pump unit, a heat pump unit and an air heat exchanger assembly, the electric control assembly is connected with the peripheries of the water pump unit, the heat pump unit and the air heat exchanger assembly, and the electric control assembly and the water pump unit are arranged in parallel. And the air heat exchanger assembly is arranged beside the water pump unit. According to the scheme, the defects and deficiencies of an existing energy storage liquid cooling device system are overcome, a traditional liquid cooling device is changed into a modular product, occupied space is greatly reduced, split modularization has the advantages of being small in size, light in weight, convenient to install and maintain and the like, and due to the fact that each module is small in size, cost is low. When the device breaks down, a fault module can be taken down and a new module can be directly installed, the closing time of the energy storage system is shortened, the efficiency is guaranteed, the device is additionally provided with the automatic cleaning assembly, and the automatic cleaning function is achieved, so that the labor input is reduced, and the fault rate is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of energy storage liquid cooling devices, and in particular relates to a modular self-cleaning liquid cooling constant temperature device. Background Art

[0002] A liquid-cooled constant temperature device is a system that uses liquid as a cooling medium and removes heat generated by the equipment through a circulating flow. Its main function is to ensure the stable operation of core equipment such as batteries and to improve energy efficiency. Liquid cooling technology is one of the mainstream technical routes for thermal management of energy storage. Temperature control is crucial to the safety of electrochemical energy storage systems and the life of the system. With the continuous development of my country's energy storage industry and the increasing density of batteries, the heat dissipation requirements for temperature control products are also increasing. Liquid cooling technology continues to expand in the terminal market due to its stronger heat dissipation effect and energy-saving performance.

[0003] However, although there are various types of liquid-cooled thermostatic devices, the liquid-cooled thermostatic devices currently sold on the market still have obvious defects, such as large size, difficult installation, complicated maintenance and difficult cleaning. In addition, during the maintenance process, the energy storage system needs to be shut down until the maintenance is completed, which affects the operating efficiency of the energy storage system. Summary of the invention

[0004] The present invention provides a modular self-cleaning liquid-cooled constant temperature device, aiming to solve the current problems of large size, difficult installation, complicated maintenance and difficulty in cleaning, and the problem that during the maintenance process, the energy storage system needs to be shut down until the maintenance is completed, which affects the operating efficiency of the energy storage system.

[0005] The present invention is implemented as follows: a modular self-cleaning liquid-cooled constant temperature device comprises: an electric control assembly, a water pump unit, a heat pump unit and an air heat exchanger assembly, wherein the electric control assembly is respectively connected to the periphery of the water pump unit, the heat pump unit and the air heat exchanger assembly, the electric control assembly and the water pump unit are arranged in parallel, the air heat exchanger assembly is arranged next to the water pump unit, and the electric control assembly, the water pump unit, the heat pump unit and the air heat exchanger assembly adopt a modular design and can be freely combined;

[0006] The water pump unit and the heat pump unit are connected through a liquid cooling pipeline to form a loop, the heat pump unit 3 and the air heat exchanger assembly are connected through a refrigerant pipeline to form a loop, and the water pump unit is provided with a first water pump and a second water pump, the heat pump unit is provided with a compressor, and the air heat exchanger assembly is provided with a condenser, a dust screen and a cleaning component;

[0007] The first water pump is connected to the buffer water tank and the evaporator through a pipeline to form a first liquid cooling circuit, and a heat exchange medium is arranged in the first liquid cooling circuit. The second water pump is connected to the load through a pipeline to form a second liquid cooling circuit, and a heat transfer medium is arranged to circulate in the second liquid cooling circuit.

[0008] The dustproof net is arranged on the air heat exchanger assembly, the cleaning component is arranged on one side of the air heat exchanger assembly, and the dustproof net is located on one side of the cleaning component and the air heat exchanger assembly.

[0009] Preferably, a circuit control system is provided inside the electric control assembly, and the water pump unit, the heat pump unit and the air heat exchanger assembly are electrically connected to the circuit control system via wires, respectively.

[0010] Preferably, the cleaning component includes a guide rail, a supporting seat, a slot, a cleaning disc and cleaning bristles. The guide rail is fixed on the side wall of the air heat exchanger assembly and two are symmetrically arranged. The slot is arranged through both sides of the supporting seat, and the supporting seat is slidably connected to the guide rail through the slot. The cleaning disc is rotatably connected to the supporting seat on one side close to the dustproof net. The cleaning bristles are arranged on the cleaning disc and partially abut against the dustproof net.

[0011] Preferably, a gear ring is coaxially fixed to the outside of the cleaning disc, a plurality of cleaning discs are equidistantly arranged on the supporting seat, and the gear rings of the plurality of cleaning discs are meshed with each other.

[0012] Preferably, a rack is provided on one side of the cleaning disk, the rack is fixed on the inner side wall of the air heat exchanger assembly, and the rack is meshed with a gear ring of one of the cleaning disks.

[0013] Preferably, the cleaning assembly also includes a screw and a servo motor, the screw is rotatably connected to one side of the outside of the air heat exchanger assembly, and a screw hole is penetrated through the support seat, the screw is threadedly engaged with the screw hole, the servo motor is fixed on the top of the air heat exchanger assembly, and the output shaft of the servo motor is coaxially fixed to the screw.

[0014] Preferably, the toothed ring and the toothed rack on the outside of the cleaning disc are both helical tooth structures.

[0015] Preferably, an expansion tank is further provided in the water pump unit, and the expansion tank is connected to the first refrigeration circuit.

[0016] Preferably, a gas-liquid separator is further provided in the heat pump unit, and the gas-liquid separator is connected in series in the first refrigeration circuit.

[0017] Preferably, a liquid injection ball valve is further provided in the water pump unit, and a liquid injection port is provided on the water pump unit, one end of the liquid injection ball valve is connected to the first water pump, and the other end is connected to the liquid outlet provided on the water pump unit.

[0018] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0019] This solution overcomes the defects and shortcomings of the current energy storage liquid cooling system, and converts the traditional liquid cooling device into a modular product, which greatly reduces space occupancy. In addition, the split modularization has the advantages of small size, light weight, easy installation and maintenance, and because each module is small in size, when a device fails, the faulty module can be removed and a new module can be directly installed, reducing the shutdown time of the energy storage system and ensuring efficiency. In addition, this device adds an automatic cleaning component, which reduces labor input and reduces the failure rate by realizing the self-cleaning function. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the external integral connection structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the internal equipment connection structure of the device of the present invention;

[0022] Figure 3 It is a schematic diagram of the cleaning component structure of the present invention;

[0023] Figure 4 It is a schematic diagram of the rack and its connection structure of the present invention;

[0024] Figure 5 It is a schematic diagram of the overall connection structure of the supporting seat of the present invention;

[0025] In the figure: 1. electronic control assembly; 2. water pump unit; 3. heat pump unit; 4. air heat exchanger assembly; 5. first water pump; 6. second water pump; 7. compressor; 8. buffer water tank; 9. dust screen; 10. cleaning component; 11. evaporator; 101. guide rail; 102. support seat; 103. slot; 104. cleaning disc; 105. cleaning brush; 106. rack; 107. screw; 108. servo motor, 109 condenser. DETAILED DESCRIPTION

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0027] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0028] The embodiment of the present invention provides a modular self-cleaning liquid cooling constant temperature device, such as Figure 1-5 As shown, it includes: an electric control assembly 1, a water pump unit 2, a heat pump unit 3 and an air heat exchanger assembly 4, the electric control assembly 1 is connected to the peripheries of the water pump unit 2, the heat pump unit 3 and the air heat exchanger assembly 4 respectively, the electric control assembly 1 and the water pump unit 2 are arranged in parallel, the air heat exchanger assembly 4 is arranged next to the water pump unit 2, and the electric control assembly 1, the water pump unit 2, the heat pump unit 3 and the air heat exchanger assembly 4 adopt a modular design and can be freely combined;

[0029] The water pump unit 2 and the heat pump unit 3 are connected through a liquid cooling pipeline to form a loop, the heat pump unit 3 and the air heat exchanger assembly 4 are connected through a refrigerant pipeline to form a loop, and the water pump unit 2 is provided with a first water pump 5 and a second water pump 6, the heat pump unit 3 is provided with a compressor 7, and the air heat exchanger assembly 4 is provided with a condenser 109, a dustproof net 9 and a cleaning component 10;

[0030] The first water pump 5 is connected to the buffer water tank 8 and the evaporator 11 through a pipeline to form a first liquid cooling circuit, and a heat exchange medium is arranged in the first liquid cooling circuit. The second water pump 6 is connected to the load through a pipeline to form a second liquid cooling circuit, and a heat transfer medium is arranged to circulate in the second liquid cooling circuit.

[0031] The dustproof net 9 is arranged on the air heat exchanger assembly 4, the cleaning component 10 is arranged on one side of the air heat exchanger assembly 4, and the dustproof net 9 is located on one side of the cleaning component 10 and the air heat exchanger assembly 4;

[0032] The cleaning component 10 includes a guide rail 101, a supporting seat 102, a slot 103, a cleaning disc 104 and cleaning bristles 105. The guide rail 101 is fixed on the side wall of the air heat exchanger assembly 4 and is symmetrically arranged with two slots 103 penetrating through both sides of the supporting seat 102, and the supporting seat 102 is slidably connected to the guide rail 101 through the slot 103. The cleaning disc 104 is rotatably connected to the side of the supporting seat 102 close to the dustproof net 9, and the cleaning bristles 105 are arranged on the cleaning disc 104, and partially abut against the dustproof net 9.

[0033] It should be noted that the liquid cooling thermostatic devices currently sold on the market still have obvious defects, such as large size, difficult installation, complex maintenance and difficult cleaning. In addition, the energy storage system needs to be shut down during the maintenance process until the maintenance is completed, which affects the operating efficiency of the energy storage system. In order to solve this problem, this solution is based on the defects and shortcomings of the current liquid cooling thermostatic system. The traditional liquid cooling thermostatic integrated machine is changed into a modular product, which greatly reduces the space occupancy. Moreover, the split modularization has the advantages of small size, light weight and easy installation. Moreover, because each module is small in size, when the equipment fails, the faulty module can be removed and a new module can be directly installed, which reduces the shutdown time of the energy storage system and ensures efficiency. In addition, the device adds a cleaning component 10, and the guide rail 101 in the cleaning component 10 limits and guides the support seat 102, so that the support seat 102 can slide directionally on the air heat exchanger assembly 4, and clean the dustproof net 9 through the cleaning bristles 105 while sliding, thereby realizing the self-cleaning function, thereby reducing labor input and reducing the failure rate.

[0034] Specifically, in this embodiment, this scheme mainly includes an electronic control assembly 1, a water pump unit 2, a heat pump unit 3 and an air heat exchanger assembly 4. When in use, the water pump unit 2, the heat pump unit 3 and the air heat exchanger assembly 4 are centrally controlled by the electronic control assembly 1, and the external energy storage device is quickly cooled down by the first refrigeration circuit and the second refrigeration circuit. When cooling down, the servo motor 108 drives the screw rod 107 to rotate, so that the supporting seat 102 is threadedly linked and slides on the guide rail 101. While sliding, the toothed ring of the cleaning disk 104 is meshed and linked on the rack 106. At the same time, the toothed rings on the multiple cleaning disks 104 are meshed and linked with each other, thereby driving the multiple cleaning disks 104 to rotate synchronously, and the dustproof net 9 can be cleaned by the cleaning brush 105.

[0035] In a further preferred embodiment of the present invention, Figure 1-2 As shown, a circuit control system is provided inside the electric control assembly 1, and the water pump unit 2, the heat pump unit 3 and the air heat exchanger assembly 4 are electrically connected to the circuit control system through wires.

[0036] In this embodiment, accurate and centralized control of the water pump unit 2, the heat pump unit 3 and the air heat exchanger assembly 4 is achieved through an electronic control system.

[0037] In a further preferred embodiment of the present invention, Figure 3-5 As shown, a toothed ring is coaxially fixed to the outside of the cleaning disc 104 , and a plurality of cleaning discs 104 are arranged equidistantly on the supporting seat 102 , and the toothed rings of the plurality of cleaning discs 104 are meshed with each other.

[0038] In this embodiment, the multiple cleaning discs 104 can mesh and link with each other through the provision of the toothed ring, and drive the cleaning bristles 105 to rotate as a whole, thereby improving the cleaning effect.

[0039] In a further preferred embodiment of the present invention, Figure 4 As shown, a rack 106 is provided on one side of the cleaning disc 104 , the rack 106 is fixed on the inner side wall of the air heat exchanger assembly 4 , and the rack 106 is meshed with a gear ring of one of the cleaning discs 104 .

[0040] In this embodiment, the rack 106 is provided so that the toothed ring on the cleaning disc 104 can mesh and move in conjunction with the supporting seat 102 when the supporting seat 102 slides.

[0041] In a further preferred embodiment of the present invention, Figure 1-5 As shown, the cleaning component 10 also includes a screw rod 107 and a servo motor 108. The screw rod 107 is rotatably connected to the outer side of the air heat exchanger assembly 4, and a screw hole is penetrated on the support seat 102. The screw rod 107 is threadedly matched with the screw hole. The servo motor 108 is fixed on the top of the air heat exchanger assembly 4, and the output shaft of the servo motor 108 is coaxially fixed with the screw rod 107.

[0042] In this embodiment, the servo motor 108 drives the lead screw 107 to rotate, thereby causing the support seat 102 to be threadedly linked, thereby allowing the support seat 102 to slide on the guide rail 101 .

[0043] In a further preferred embodiment of the present invention, Figure 4 As shown, the toothed ring outside the cleaning disc 104 and the rack 106 are both helical tooth structures.

[0044] In this embodiment, the stability of the gear ring transmission is improved by using the helical gear structure.

[0045] In a further preferred embodiment of the present invention, Figure 1-2 As shown, an expansion tank is also provided in the water pump unit 2, and the expansion tank is connected to the first refrigeration circuit.

[0046] In this embodiment, the expansion tank is provided to absorb or release the refrigerant, thereby preventing the system pressure from being too high and buffering the system pressure fluctuation.

[0047] In a further preferred embodiment of the present invention, Figure 1-2 As shown, a gas-liquid separator is also provided in the heat pump unit 3, and the gas-liquid separator is connected in series in the first refrigeration circuit.

[0048] In this embodiment, the gas-liquid separator can prevent the refrigerant liquid from entering the system when the compressor 7 is started or running, thereby avoiding the liquid from impacting the compressor 7 and protecting the normal operation of the compressor 7.

[0049] In a further preferred embodiment of the present invention, Figure 1-2 As shown, a liquid injection ball valve is also provided in the water pump unit 2 , and a liquid injection port is provided on the water pump unit 2 , one end of the liquid injection ball valve is connected to the first water pump 5 , and the other end is connected to the liquid outlet provided on the water pump unit 2 .

[0050] In this embodiment, the flow of the coolant is controlled by a liquid injection ball valve.

[0051] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the present invention is not limited by the described order of actions, because according to the present invention, some steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

[0052] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0053] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0054] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also belong to the scope of protection of the present invention.

Claims

1. Modular self-cleaning liquid cooling constant temperature device, characterized in that: include: An electric control assembly (1), a water pump unit (2), a heat pump unit (3) and an air heat exchanger assembly (4), wherein the electric control assembly (1) is connected to the peripheries of the water pump unit (2), the heat pump unit (3) and the air heat exchanger assembly (4) respectively, the electric control assembly (1) and the water pump unit (2) are arranged in parallel, the air heat exchanger assembly (4) is arranged next to the water pump unit (2), and the electric control assembly (1), the water pump unit (2), the heat pump unit (3) and the air heat exchanger assembly (4) adopt a modular design and can be freely combined; The water pump unit (2) and the heat pump unit (3) are connected via a liquid cooling pipeline to form a loop, the heat pump unit 3 and the air heat exchanger assembly (4) are connected via a refrigerant pipeline to form a loop, and the water pump unit (2) is provided with a first water pump (5) and a second water pump (6), the heat pump unit (3) is provided with a compressor (7), and the air heat exchanger assembly (4) is provided with a condenser (109), a dust screen (9) and a cleaning component (10); The first water pump (5) is connected to the buffer water tank (8) and the evaporator (11) through a pipeline to form a first liquid cooling circuit, and a heat exchange medium is arranged in the first liquid cooling circuit. The second water pump (6) is connected to the load through a pipeline to form a second liquid cooling circuit, and a heat transfer medium is arranged to circulate in the second liquid cooling circuit. The dustproof net (9) is arranged on the air heat exchanger assembly (4), the cleaning component (10) is arranged on one side of the air heat exchanger assembly (4), and the dustproof net (9) is located on one side of the cleaning component (10) and the air heat exchanger assembly (4).

2. The modular self-cleaning liquid cooling constant temperature device according to claim 1, characterized in that: A circuit control system is provided inside the electric control assembly (1), and the water pump unit (2), the heat pump unit (3) and the air heat exchanger assembly (4) are respectively electrically connected to the circuit control system via wires.

3. The modular self-cleaning liquid cooling constant temperature device according to claim 1, characterized in that: The cleaning component (10) comprises a guide rail (101), a supporting seat (102), a slot (103), a cleaning disc (104) and cleaning bristles (105); the guide rail (101) is fixed on the side wall of the air heat exchanger assembly (4) and is symmetrically arranged with two of them; the slot (103) is arranged through both sides of the supporting seat (102), and the supporting seat (102) is slidably engaged with the guide rail (101) through the slot (103); the cleaning disc (104) is rotatably connected to a side of the supporting seat (102) close to the dustproof net (9); the cleaning bristles (105) are arranged on the cleaning disc (104) and partially abut against the dustproof net (9).

4. The modular self-cleaning liquid cooling constant temperature device according to claim 3, characterized in that: A toothed ring is coaxially fixed to the outside of the cleaning disc (104), and a plurality of cleaning discs (104) are arranged at equal intervals on the supporting seat (102), and the toothed rings of the plurality of cleaning discs (104) are meshed with each other.

5. The modular self-cleaning liquid cooling constant temperature device according to claim 4, characterized in that: A rack (106) is provided on one side of the cleaning disk (104), the rack (106) is fixed on the inner side wall of the air heat exchanger assembly (4), and the rack (106) is meshed with a toothed ring of one of the cleaning disks (104).

6. The modular self-cleaning liquid cooling constant temperature device according to claim 3, characterized in that: The cleaning assembly (10) further comprises a screw rod (107) and a servo motor (108); the screw rod (107) is rotatably connected to one side of the outside of the air heat exchanger assembly (4), and a screw hole is provided through the support seat (102); the screw rod (107) is threadedly engaged with the screw hole; the servo motor (108) is fixed to the top of the air heat exchanger assembly (4), and the output shaft of the servo motor (108) is coaxially fixed to the screw rod (107).

7. The modular self-cleaning liquid cooling constant temperature device according to claim 5, characterized in that: The toothed ring and the rack (106) outside the cleaning disc (104) are both helical tooth structures.

8. The modular self-cleaning liquid cooling constant temperature device according to claim 1, characterized in that: An expansion tank is also provided in the water pump unit (2), and the expansion tank is connected to the first refrigeration circuit.

9. The modular self-cleaning liquid cooling constant temperature device according to claim 1, characterized in that: A gas-liquid separator is also provided in the heat pump unit (3), and the gas-liquid separator is connected in series in the first refrigeration circuit.

10. The modular self-cleaning liquid cooling constant temperature device according to claim 1, characterized in that: A liquid injection ball valve is also provided in the water pump unit (2), and a liquid injection port is provided on the water pump unit (2); one end of the liquid injection ball valve is connected to the first water pump (5), and the other end is connected to a liquid outlet provided on the water pump unit (2).

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