Liquid cooling air conditioner

Abstract

The liquid cooling air conditioner comprises a cabinet body, a heat exchange mechanism arranged in the cabinet body and a control cabinet, the heat exchange mechanism comprises a plate heat exchanger, a primary side heat exchange assembly and a secondary side heat exchange assembly, and the plate heat exchanger is arranged on the front side of the lower portion of the cabinet body; the primary side heat exchange assembly is arranged at the lower part of the cabinet body and at the rear side of the plate heat exchanger; the secondary side heat exchange assembly is arranged on the upper portion of the cabinet body and above the primary side heat exchange assembly, and the primary side heat exchange assembly and the secondary side heat exchange assembly are connected with the plate heat exchanger at the same time for heat exchange. The plate heat exchanger is adopted, the heat exchange amount design is maximized, and the device is efficient, energy-saving, low-carbon and environment-friendly; the heat exchanger is reasonable in layout and compact in structure, flux is improved, resistance of the whole heat exchanger is reduced, energy consumption is reduced, heat exchange efficiency is greatly improved, and the heat exchanger plays a certain role in reducing energy consumption. The convenience and possibility of online maintenance are fully considered, the maintenance time is shortened, and the advantages of high efficiency and energy conservation in structural design are fully embodied.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigeration, and particularly relates to a liquid-cooled air conditioner. Background Art

[0002] Existing cooling devices applied to, for example, computer room servers generally adopt an air-cooling mechanism, which is not low-carbon and environmentally friendly and has high energy consumption; the design of the outer frame structure is not modular, and it is difficult to install cabinets in parallel, and low space utilization is also a major problem of air-cooled air conditioners; the overall resistance of the whole machine is not considered from the structural design, such as the overall layout design of pipelines, so as to achieve the purpose of low energy consumption and energy saving, which is another major problem of air-cooled air conditioners; moreover, the overall internal layout does not fully consider the convenience of ergonomic operation and maintenance, and the operation and maintenance are not convenient and difficult to maintain. Summary of the Invention

[0003] The purpose of the utility model is to provide a liquid-cooled air conditioner, which can be applied to, for example, computer room servers.

[0004] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0005] A liquid-cooled air conditioner includes a cabinet body, a heat exchange mechanism and a control cabinet. The heat exchange mechanism and the control cabinet are both arranged inside the cabinet body. The heat exchange mechanism includes:

[0006] A plate heat exchanger, which is arranged on the front side of the lower part of the cabinet body;

[0007] A primary side heat exchange assembly, which is arranged at the lower part of the cabinet body and behind the plate heat exchanger;

[0008] A secondary side heat exchange assembly, which is arranged at the upper part of the cabinet body and above the primary side heat exchange assembly,

[0009] The primary side heat exchange assembly and the secondary side heat exchange assembly are both connected to the plate heat exchanger for heat exchange.

[0010] Preferably, the primary side heat exchange assembly includes:

[0011] A primary side inlet water pipe connected to the primary water inlet side of the plate heat exchanger, and a primary side filter arranged on the primary side inlet water pipe. Shut-off valves are arranged on the primary side inlet water pipe upstream and downstream of the primary side filter;

[0012] A primary side outlet water pipe connected to the primary water outlet side of the plate heat exchanger, and a drain valve arranged on the primary side outlet water pipe;

[0013] A first connecting pipe directly connected to the primary side inlet pipe and the primary side outlet pipe, and a shut-off valve is provided on the first connecting pipe.

[0014] Further preferably, the primary side heat exchange assembly further includes a second connecting pipe with both ends connected to the primary side inlet pipe upstream and downstream of the shut-off valve, and a shut-off valve is provided on the second connecting pipe.

[0015] Further preferably, the primary side heat exchange assembly further includes one or more of a temperature sensor, a pressure sensor, and a flow meter. The temperature sensor is connected to the primary side inlet pipe and / or the primary side outlet pipe; the pressure sensor is connected to the primary side inlet pipe; the flow meter is connected to the side outlet pipe.

[0016] Preferably, the above technical solution, the secondary side heat exchange assembly includes:

[0017] A secondary side inlet pipe connected to the secondary water inlet side of the plate heat exchanger, and a drain valve provided on the secondary side inlet pipe;

[0018] A secondary side outlet pipe connected to the secondary water outlet side of the plate heat exchanger, an expansion tank connected to the secondary side outlet pipe, a water pump provided on the secondary side outlet pipe, and a secondary side filter provided on the secondary side outlet pipe. The expansion tank, the water pump, and the secondary side filter are arranged in sequence along the water outlet direction. Shut-off valves are provided on the secondary side outlet pipe upstream of the water pump and downstream of the secondary side filter. The secondary side filter is arranged at the rear of the cabinet.

[0019] Further preferably, there are two sets of the water pump and the secondary side filter, and the two sets of the water pump and the secondary side filter are arranged in parallel and side by side in the left-right direction. The secondary side filter is located above the water pump. Since the secondary side filter needs to be cleaned and maintained during use, the left-right arrangement and sufficient maintenance space are fully considered for the rationality of ergonomics, reducing the difficulty of maintenance and ensuring the personal safety of personnel during the maintenance process.

[0020] Further preferably, there are two expansion tanks, and the two expansion tanks are arranged in parallel and side by side in the left-right direction. The expansion tanks are located above the secondary side filter.

[0021] Further preferably, the water pump is connected to the secondary side outlet pipe through a hose. Considering the negative impact caused by the vibration of the water pump during operation, the connection between the water pump and the secondary side outlet pipe is made in a flexible connection manner to reduce the vibration caused by operation and ensure the structural stability and operation reliability.

[0022] Further preferably, the secondary side heat exchange assembly further includes one or more of a temperature sensor, a pressure sensor, a flow meter, a liquid replenishing assembly, and a water level gauge. The temperature sensor and the pressure sensor are connected to the secondary side inlet pipe and / or the secondary side outlet pipe; the flow meter and the liquid replenishing assembly are connected to the secondary side inlet pipe; the water level gauge is connected to the secondary side outlet pipe.

[0023] Further preferably, each component is connected to the pipeline through a quick-release chuck.

[0024] In the above technical solution preferably, the cabinet body includes a frame, a front side cover plate, a rear side cover plate, a left side cover plate, a right side cover plate, a top side cover plate, and a bottom side cover plate. The operation panel of the control cabinet is exposed from the front side cover plate.

[0025] In the above technical solution preferably, at least the front side cover plate and / or the rear side cover plate can be opened relative to the frame.

[0026] In the above technical solution preferably, the frame is a nine-fold profile. The modular structure of the nine-fold profile is efficient and convenient to install, and it is easier to achieve parallel cabinet connection through the nine-fold profile. At the same time, the space utilization rate is increased; and the structural appearance is regular and beautiful.

[0027] In the above technical solution preferably, the control cabinet is arranged on the front side of the upper part of the cabinet body, and the secondary side heat exchange assembly is located at the rear side of the control cabinet.

[0028] Due to the application of the above technical solution, the present utility model has the following advantages compared with the prior art:

[0029] 1. Adopting a plate heat exchanger, with a maximized heat exchange capacity design, high efficiency, energy saving, low carbon and environmental protection;

[0030] 2. In the structural design, the reasonable layout of the internal pipeline structure is considered. The structure is compact, the flux is increased, the resistance of the whole machine is reduced, thereby reducing energy consumption and greatly improving the heat exchange efficiency, which also plays a certain role in reducing energy consumption;

[0031] 3. The convenience and possibility of on-line maintenance are fully considered, the maintenance time is shortened, and the advantages of high efficiency and energy saving in the structural design are fully reflected. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] AppendixFigure 1 This is the external view schematic diagram of the present utility model;

[0033] Attached Figure 2 This is the front view schematic diagram of the frame of the present utility model;

[0034] Attached Figure 3 This is the three-dimensional schematic diagram of the heat exchange mechanism of the present utility model;

[0035] Attached Figure 4 This is the front view schematic diagram of the heat exchange mechanism of the present utility model;

[0036] Attached Figure 5 This is the rear view schematic diagram of the heat exchange mechanism of the present utility model;

[0037] Attached Figure 6 This is the left view schematic diagram of the heat exchange mechanism of the present utility model;

[0038] Attached Figure 7 This is the right view schematic diagram of the heat exchange mechanism of the present utility model;

[0039] Attached Figure 8 This is the schematic diagram of the pipeline connection of the present utility model.

[0040] In the above drawings:

[0041] 1. Cabinet; 10. Frame; 11. Front side cover plate; 12. Right side cover plate; 13. Top side cover plate; 14. Ventilation opening;

[0042] 2. Control cabinet; 20. Operation panel;

[0043] 30. Plate heat exchanger;

[0044] 310. Primary side inlet water pipe; 311. Primary side filter; 312. Primary side outlet water pipe; 313. Drain valve; 314. First connecting pipe; 315. Second connecting pipe;

[0045] 320. Secondary side inlet water pipe; 321. Drain valve; 322. Secondary side outlet water pipe; 323. Expansion tank; 324. Water pump; 325. Secondary side filter; 326. Hose;

[0046] 330. Shut-off valve; 331. Temperature sensor; 332. Pressure sensor; 333. Flowmeter; 334. Liquid replenishment bag or water tank; 335. Water level gauge; 336. Quick-release chuck. Detailed implementation manners

[0047] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative work belong to the scope of protection of the present utility model.

[0048] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0049] As Figure 1 、 2 shown, a liquid-cooled air conditioner includes a cabinet 1, a control cabinet 2, and a heat exchange mechanism. The control cabinet 2 and the heat exchange mechanism are both arranged inside the cabinet 1, and the control cabinet 2 is connected to the heat exchange mechanism to control it.

[0050] The cabinet 1 includes a frame 10, a front cover plate 11, a rear cover plate, a left cover plate, a right cover plate 12, a top cover plate 13, and a bottom cover plate. Among them: The frame 10 uses a nine-fold profile. The modular structure of the nine-fold profile is efficient and convenient to install, and it is easier to achieve parallel cabinet connection through the nine-fold profile. At the same time, the space utilization rate is increased; and the structural shape is regular and beautiful. The front cover plate 11, the rear cover plate, the left cover plate, the right cover plate 12, the top cover plate 13, and the bottom cover plate respectively cover the front and rear, left and right, and upper and lower parts of the frame 10, enclosing the control cabinet 2 and the heat exchange mechanism in the cabinet 1. Ventilation openings 14 can be opened at some positions of the cabinet 1. In this embodiment: At least the front cover plate 11 and / or the rear cover plate can be opened relative to the frame 10, which is convenient for installing, maintaining, and replacing the internal heat exchange mechanism after opening.

[0051] The control cabinet 2 is arranged on the front side of the upper part of the cabinet 1. Preferably, the operation panel 20 of the control cabinet 2 is exposed from the front cover plate 11, which is convenient for personnel to operate.

[0052] As Figures 3 - 8 shown: The heat exchange mechanism includes a plate heat exchanger 30, a primary side heat exchange component, and a secondary side heat exchange component. The plate heat exchanger 30, the primary side heat exchange component, and the secondary side heat exchange component are modularly distributed, with a compact structure and a reasonable layout. Among them:

[0053] The plate heat exchanger 30 is arranged at the front side of the lower part of the cabinet body 1. The front side cover plate 11 can be opened to install, repair and replace the plate heat exchanger 30. By adopting the plate heat exchanger 30, the heat exchange amount is maximally designed, which is energy-efficient, low-carbon and environmentally friendly.

[0054] The primary heat exchange assembly is arranged at the lower part of the cabinet body 1 and at the rear side of the plate heat exchanger 30. The primary heat exchange assembly is connected to the plate heat exchanger 30, and the primary side is the cold source side. In this embodiment:

[0055] The primary heat exchange assembly includes:

[0056] The primary side inlet pipe 310 connected to the primary water inlet side of the plate heat exchanger 30 and the primary side filter 311 arranged on the primary side inlet pipe 310. The primary side filter 311 is equipped with a drain valve by itself. Shut-off valves 330 are arranged on the primary side inlet pipe 310 upstream and downstream of the primary side filter 311. The shut-off valves 330 can be closed to repair, replace, etc. the primary side filter 311;

[0057] The primary side outlet pipe 312 connected to the primary water outlet side of the plate heat exchanger 30 and the drain valve 313 arranged on the primary side outlet pipe 312. The drain valve 313 is located at the lower position of the primary side outlet pipe 312;

[0058] The first connecting pipe 314 directly connected to the primary side inlet pipe 310 and the primary side outlet pipe 311, and a shut-off valve 330 is arranged on the first connecting pipe 314. When the plate heat exchanger 30 is repaired or replaced, the shut-off valve 330 can be directly opened to directly connect the primary side inlet pipe 310, the first connecting pipe 314 and the primary side outlet pipe 312.

[0059] In a preferred embodiment of this embodiment: The primary heat exchange assembly further includes a second connecting pipe 315 with both ends connected to the primary side inlet pipe 310 upstream and downstream of the shut-off valve 330, and a shut-off valve 330 is also arranged on the second connecting pipe 315. After the shut-off valves 330 upstream and downstream of the primary side filter 311 are closed, opening the shut-off valve 330 of the second connecting pipe 315 can ensure the passage of the primary side inlet pipe 310.

[0060] In a preferred embodiment of this embodiment: The primary heat exchange assembly further includes one or more of a temperature sensor 331, a pressure sensor 332, and a flow meter 333. As shown in the figure: The temperature sensor 331 is respectively connected to the primary side inlet pipe 310 and the primary side outlet pipe 312; The pressure sensor 332 is connected to the primary side inlet pipe 310, upstream and downstream of the primary side filter 311; The flow meter 333 is connected to the side outlet pipe 312.

[0061] The secondary heat exchange component is arranged above the upper part of the cabinet 1, above the primary heat exchange component, and at the rear side of the control cabinet 2. The secondary heat exchange component is also connected to the plate heat exchanger 30. The secondary side is the usage side and the load side. In this embodiment:

[0062] The secondary heat exchange component includes:

[0063] A secondary side water inlet pipe 320 connected to the secondary water inlet side of the plate heat exchanger 30, and a drain valve 321 arranged on the secondary side water inlet pipe 320. The drain valve 321 is located at the lower part of the secondary side water inlet pipe 320;

[0064] A secondary side water outlet pipe 322 connected to the secondary water outlet side of the plate heat exchanger 30, an expansion tank 323 connected to the secondary side water outlet pipe 322, a water pump 324 arranged on the secondary side water outlet pipe 322, and a secondary side filter 325 arranged on the secondary side water outlet pipe 324. The expansion tank 323, the water pump 324, and the secondary side filter 325 are arranged in sequence along the water outlet order. The secondary side filter 325 is equipped with its own drain valve and air release valve. Shut-off valves 330 are arranged on the secondary side water outlet pipe 322 upstream of the water pump 324 and downstream of the secondary side filter 325. Closing the shut-off valve 330 can perform maintenance, replacement, etc. on the water pump 324 and the secondary side filter 325. In addition, the selection of the secondary side filter 325 also fully considers its processing capacity to ensure large flux and efficient cooling.

[0065] In an implementation manner of this embodiment: There are two sets of the water pump 324 and the secondary side filter 325. The two sets of the water pump 324 and the secondary side filter 325 are arranged in parallel, and can work simultaneously or one can be used as a standby to meet the flexibility of use. The two sets of the water pump 324 and the secondary side filter 325 are arranged side by side in the left-right direction. The secondary side filter 325 is located above the water pump 324. Since the secondary side filter 325 needs to be cleaned and maintained during use, the left-right arrangement and the reserved sufficient maintenance space fully consider the rationality of ergonomics, reduce the difficulty of maintenance, and ensure the personal safety of personnel during the maintenance process. In addition, the secondary side filter 325 can be replaced by opening the rear cover plate.

[0066] In an implementation manner of this embodiment: There are two expansion tanks 323. The two expansion tanks 323 are arranged in parallel, and the two expansion tanks 323 are arranged side by side in the left-right direction. The expansion tank 323 is located above the secondary side filter 325.

[0067] In an implementation manner of this embodiment: The water pump 325 is connected to the secondary side water outlet pipe 322 through a hose 326. Considering the negative impact caused by the vibration of the water pump 325 during operation, the connection between the water pump 325 and the secondary side water outlet pipe 322 adopts a flexible connection method to reduce the vibration caused by operation and ensure the structural stability and operation reliability.

[0068] In an embodiment of this embodiment: The secondary heat exchange assembly further includes one or more of a temperature sensor 331, a pressure sensor 332, a flow meter 333, a liquid replenishing assembly, and a water level gauge 335. As shown in the figure: The temperature sensor 331 and the pressure sensor 332 are connected to the secondary water inlet pipe 320 and the secondary water outlet pipe 322; the flow meter 333 and the liquid replenishing assembly are connected to the secondary water inlet pipe 320, where: The liquid replenishing assembly can adopt a liquid replenishing bag or a water tank 334 for on-line liquid replenishment; the water level gauge 335 is connected to the secondary water outlet pipe 322.

[0069] In this embodiment: Each component and the pipeline are connected by a quick-release chuck 336. The components can specifically include, for example, a primary side filter 311, an expansion tank 323, a water pump 324, a secondary side filter 325, etc. The pipelines can include a primary side water inlet pipe 310, a primary side water outlet pipe 312, a secondary side water inlet pipe 320, a secondary side water outlet pipe 322, etc., which are convenient to disassemble. In addition, all pipelines adopt sanitary-grade stainless steel pipelines, with excellent quality, ensuring the stability of the system operation.

[0070] The above embodiments are only used to illustrate the technical concept and features of the present invention, and their purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it accordingly, and cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A liquid cooling air conditioner, characterized in that: It includes a cabinet, a heat exchange mechanism and a control cabinet. The heat exchange mechanism and the control cabinet are both arranged inside the cabinet. The heat exchange mechanism includes: A plate heat exchanger, wherein the plate heat exchanger is arranged at the front side of the lower part of the cabinet; A primary side heat exchange component, wherein the primary side heat exchange component is arranged at the lower part of the cabinet and at the rear side of the plate heat exchanger; The secondary side heat exchange component is arranged on the upper part of the cabinet and above the primary side heat exchange component. The primary side heat exchange component and the secondary side heat exchange component are simultaneously connected to the plate heat exchanger for heat exchange.

2. The liquid cooling air conditioner according to claim 1, characterized in that: The primary side heat exchange component comprises: A primary water inlet pipe connected to the primary water inlet side of the plate heat exchanger, a primary filter arranged on the primary water inlet pipe, and shut-off valves are arranged on the primary water inlet pipes upstream and downstream of the primary filter; A primary water outlet pipe connected to the primary water outlet side of the plate heat exchanger, and a drain valve arranged on the primary water outlet pipe; A first connecting pipe is directly connected to the primary side water inlet pipe and the primary side water outlet pipe, and a shut-off valve is arranged on the first connecting pipe.

3. The liquid cooling air conditioner according to claim 2, characterized in that: The primary side heat exchange component also includes a second connecting pipe with both ends connected to the primary side water inlet pipe upstream and downstream of the shut-off valve, and the shut-off valve is arranged on the second connecting pipe.

4. The liquid cooling air conditioner according to claim 2, characterized in that: The primary side heat exchange component also includes one or more of a temperature sensor, a pressure sensor, and a flow meter. The temperature sensor is connected to the primary side water inlet pipe and / or the primary side water outlet pipe; the pressure sensor is connected to the primary side water inlet pipe; and the flow meter is connected to one side water outlet pipe.

5. The liquid cooling air conditioner according to claim 1, characterized in that: The secondary side heat exchange component comprises: A secondary water inlet pipe connected to the secondary water inlet side of the plate heat exchanger, and a drain valve arranged on the secondary water inlet pipe; A secondary water outlet pipe connected to the secondary water outlet side of the plate heat exchanger, an expansion tank connected to the secondary water outlet pipe, a water pump arranged on the secondary water outlet pipe, and a secondary filter arranged on the secondary water outlet pipe. The expansion tank, the water pump and the secondary filter are arranged in sequence along the water outlet sequence. Shut-off valves are arranged on the secondary water outlet pipe upstream of the water pump and downstream of the secondary filter. The secondary filter is arranged at the rear of the cabinet.

6. The liquid cooling air conditioner according to claim 5, characterized in that: The water pump and the secondary filter are provided in two groups, the two groups of water pumps and the secondary filter are arranged in parallel, the two groups of water pumps and the secondary filter are arranged side by side in the left and right directions, the secondary filter is located above the water pump, and / or The expansion tank is provided with two, the two expansion tanks are arranged in parallel, the two expansion tanks are arranged side by side in the left and right directions, the expansion tank is located above the secondary side filter, and / or The water pump is connected to the secondary water outlet pipe via a hose.

7. The liquid cooling air conditioner according to claim 5, characterized in that: The secondary side heat exchange component also includes one or more of a temperature sensor, a pressure sensor, a flow meter, a fluid replenishment component, and a water level gauge. The temperature sensor and pressure sensor are connected to the secondary side water inlet pipe and / or the secondary side water outlet pipe; the flow meter and fluid replenishment component are connected to the secondary side water inlet pipe; and the water level gauge is connected to the secondary side water outlet pipe.

8. The liquid cooling air conditioner according to any one of claims 2 to 7, characterized in that: Each component and pipeline is connected through a quick-release chuck.

9. The liquid cooling air conditioner according to claim 1, characterized in that: The cabinet body comprises a frame, a front cover plate, a rear cover plate, a left cover plate, a right cover plate, a top cover plate and a bottom cover plate, and the operation panel of the control cabinet is exposed from the front cover plate, and / or At least the front cover and / or the rear cover can be opened relative to the frame, and / or The frame is a nine-fold profile.

10. The liquid cooling air conditioner according to claim 1 or 9, characterized in that: The control cabinet is arranged on the front side of the upper part of the cabinet body, and the secondary side heat exchange component is located on the rear side of the control cabinet.

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