Water-cooled liquid chiller

By designing a water-cooled liquid chiller, a plate heat exchanger and a pump are used to achieve efficient heat exchange between the motor and the water tower, solving the problem of excessive volume in existing cooling structures and achieving motor heat dissipation within a compact space.

CN224684045UActive Publication Date: 2026-08-25GUANGDONG YINGWEI FLUID CONTROL TECH CO LTD +1
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Patent Information

Application Number
CN202522094572.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-28
Publication Date
2026-08-25
Estimated Expiration
2035-09-28

AI Technical Summary

Technical Problem

Existing cooling structures are too bulky to be used in compact spaces, making it difficult to dissipate heat from the motors of injection molding or compression molding machines.

Method used

The water-cooled liquid chiller includes a housing, a plate heat exchanger, and a pump. The plate heat exchanger extends vertically. The first liquid inlet and the first liquid outlet are located on the side wall of the housing. The second liquid inlet and the second liquid outlet are connected to the water tower through pipes. The pump is located on the pipes, realizing efficient heat exchange between the motor and the water tower.

Benefits of technology

It achieves efficient motor heat dissipation in a compact space, reduces equipment size, and is suitable for space-constrained scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a water -cooled liquid cooling machine, including box, plate heat exchanger and pump, the plate heat exchanger along the up and down direction extension is installed in the box, and the plate heat exchanger has first liquid inlet, first liquid outlet, second liquid inlet and second liquid outlet, and the first liquid inlet and first liquid outlet are connected with motor, and the second liquid inlet and second liquid outlet are connected with water tower through pipeline assembly, the pump is located in the box, and the pump is arranged on the pipeline assembly, the utility model discloses using plate heat exchanger makes the water of water tower and the cooling oil of motor heat exchange, and the plate heat exchanger adopts the mode design along the up and down direction extension, can guarantee to give the motor cooling, can also occupy smaller space in the front -back direction, thereby making water -cooled liquid cooling machine volume smaller, more suitable for the scene of compact space.
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Description

Technical Field

[0001] This utility model relates to the field of motor heat dissipation, and in particular to a water-cooled liquid cooler. Background Technology

[0002] Injection molding machine motors and compression molding machine motors have relatively high power and generate a lot of heat during operation. To ensure the normal operation of the motors, a cooling structure is required to dissipate heat. Existing cooling structures are connected to external water towers, using water from the towers to cool the motors. However, these existing cooling structures are bulky, making them unsuitable for use in space-constrained environments. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a water-cooled liquid chiller.

[0004] The technical solution of this utility model is as follows: it includes a housing, a plate heat exchanger, and a pump; the plate heat exchanger, extending vertically, is installed in the housing, and the plate heat exchanger has a first liquid inlet, a first liquid outlet, a second liquid inlet, and a second liquid outlet. The plate heat exchanger has a first heat exchange channel and a second heat exchange channel spaced apart. The two ends of the first heat exchange channel are respectively connected to the first liquid inlet and the first liquid outlet, and the second heat exchange channel is respectively connected to the second liquid inlet and the second liquid outlet. The first liquid inlet and the first liquid outlet are connected to the motor, and the second liquid inlet and the second liquid outlet are connected to the water tower through a pipe assembly; the pump is located in the housing and is mounted on the pipe assembly.

[0005] Furthermore, the side wall of the tank has an inlet and an outlet connected to the water tower. The pipeline assembly includes a first pipeline and a second pipeline located inside the tank. The inlet is connected to the second inlet through the first pipeline, and the outlet is connected to the second outlet through the second pipeline. The pump is mounted on the first pipeline.

[0006] Furthermore, the first liquid inlet and the first liquid outlet are located on the side wall of the box.

[0007] Furthermore, the outer side wall of the housing includes a first side wall and a second side wall, the first liquid inlet and the first liquid outlet are installed on the first side wall, and the liquid inlet connection port and the liquid outlet connection port are installed on the second side wall.

[0008] Furthermore, the housing is rectangular, with two first sidewalls and two second sidewalls. The two first sidewalls are arranged opposite each other in the left-right direction, and the two second sidewalls are arranged opposite each other in the front-back direction. The two second sidewalls are located between the two first sidewalls. The first liquid inlet and the first liquid outlet are installed on one of the first sidewalls, and the liquid inlet connection port and the liquid outlet connection port are installed on one of the second sidewalls.

[0009] Furthermore, the first liquid inlet and the first liquid outlet are located on the upper right side of the plate heat exchanger and are spaced apart in the vertical direction, the second liquid inlet and the second liquid outlet are located on the upper left side of the plate heat exchanger and are spaced apart in the vertical direction, and the pump is located on the left side of the plate heat exchanger.

[0010] Furthermore, a water tank is installed inside the box, one end of the first pipe is connected to the second liquid inlet, the other end of the first pipe is connected to the bottom surface of the water tank, and the liquid inlet is connected to the interior of the water tank and located above the bottom surface.

[0011] Furthermore, a water inlet is installed on the side wall of the tank, and the water inlet is connected to the interior of the water tank.

[0012] Furthermore, an observation window is installed on the side wall of the water tank, and the observation window protrudes from the outside of the tank.

[0013] Furthermore, the side wall of the enclosure has multiple heat dissipation holes.

[0014] The water-cooled liquid chiller according to this utility model has at least the following technical effects:

[0015] 1. A plate heat exchanger is used to exchange heat between the water in the water tower and the cooling oil of the motor. The plate heat exchanger is designed to extend in the vertical direction, which can not only ensure the cooling of the motor, but also occupy less space in the front and back directions. This makes the water-cooled liquid chiller smaller and more suitable for compact scenarios.

[0016] 2. The first liquid inlet and the first liquid outlet of the plate heat exchanger are directly located on the side wall of the box, so there is no need to install pipes between the plate heat exchanger and the side wall of the box, making full use of the internal space of the box, making the internal structure of the box compact and the box volume smaller.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] Additional aspects and advantages of this utility model will become apparent and readily understood from the description of the technical solution in conjunction with the following drawings, wherein:

[0019] Figure 1 This is a schematic diagram of the internal structure of a water-cooled liquid chiller.

[0020] Figure 2 This is a schematic diagram showing the connection between a water-cooled liquid chiller, a water tower, and a motor.

[0021] Figure 3 A schematic diagram of a water-cooled liquid chiller from a certain perspective;

[0022] Figure 4 This is a schematic diagram of a water-cooled liquid chiller from another perspective.

[0023] Reference numerals: Water tower 100, motor 200, housing 300, liquid inlet connection 310, liquid outlet connection 320, first side wall 330, second side wall 340, water inlet 350, heat dissipation hole 360, plate heat exchanger 400, first liquid inlet 410, first liquid outlet 420, second liquid inlet 430, second liquid outlet 440, pipe assembly 450, first pipe 451, second pipe 452, pump 500, water tank 600, water tank observation window 610. Detailed Implementation

[0024] The technical solution of this utility model is described in detail below. Examples of the technical solution are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The technical solution described below with reference to the accompanying drawings is exemplary and is only used to explain this utility model, and should not be construed as limiting this utility model.

[0025] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0027] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0028] Reference Figure 1 , 2 As shown, the water-cooled liquid chiller provided in the embodiment of this utility model is used to connect the water tower 100 and the motor 200. The water-cooled liquid chiller includes a housing 300, a plate heat exchanger 400 extending in the vertical direction, and a pump 500. The plate heat exchanger 400 is installed inside the housing 300 and has a first liquid inlet 410, a first liquid outlet 420, a second liquid inlet 430, and a second liquid outlet 440. The plate heat exchanger 400 has first heat exchange channels (not shown in the figure) arranged at intervals inside. The first heat exchange channel is connected to the first liquid inlet 410 and the first liquid outlet 420 at its two ends, and the second heat exchange channel is connected to the second liquid inlet 430 and the second liquid outlet 440. The first liquid inlet 410 and the first liquid outlet 420 are connected to the motor 200, and the second liquid inlet 430 and the second liquid outlet 440 are connected to the water tower 100 through the pipe assembly 450. The pump 500 is located inside the housing 300 and is mounted on the pipe assembly 450.

[0029] Plate heat exchanger 400 is used to exchange heat between the water in water tower 100 and the cooling oil in motor 200. The plate heat exchanger 400 is designed to extend in the vertical direction, which can not only ensure the cooling of motor 200, but also occupy less space in the front and back direction, thus making the water-cooled liquid chiller smaller and more suitable for compact scenarios.

[0030] like Figure 2 As shown, during operation, the first inlet 410 and the first outlet 420 are connected to the motor 200. The cooling oil on the motor 200 circulates into the first heat exchange channel in the plate heat exchanger 400 through the first inlet 410 and the first outlet 420. Since the second inlet 430 and the second outlet 440 are connected to the water tower 100 through the pipe assembly 450, and the pump 500 is installed on the pipe assembly 450, the pump 500 can circulate and pump the water in the water tower 100 to the second heat exchange channel in the plate heat exchanger 400. The cooling oil in the first heat exchange channel exchanges heat with the water in the second heat exchange channel. After the heat exchange, the temperature of the cooling oil drops, thereby cooling the motor 200.

[0031] Furthermore, such as Figure 1 , 3As shown, the side wall of the housing 300 has an inlet 310 and an outlet 320 connected to the water tower 100. The pipe assembly 450 includes a first pipe 451 and a second pipe 452 located inside the housing 300. The inlet 310 is connected to the second inlet 430 through the first pipe 451, and the outlet 320 is connected to the second outlet 440 through the second pipe 452. The pump 500 is mounted on the first pipe 451.

[0032] The side wall of the housing 300 is provided with an inlet 310 and an outlet 320, which facilitates connection with the water tower 100 without disassembling the first pipe 451 and the second pipe 452.

[0033] During installation, the water-cooled liquid chiller is placed on one side of the compression molding machine or injection molding machine. The water outlet and inlet of the water tower 100 are connected to the liquid inlet connection 310 and the liquid outlet connection 320, respectively. The first liquid inlet 410 and the first liquid outlet 420 are connected to the motor 200. Figure 2 As shown, during operation, pump 500 starts, and water in water tower 100 is discharged from the outlet and enters the first pipe 451 through the inlet connection 310. The water in the first pipe 451 then enters the plate heat exchanger 400 through the second inlet 430 and exchanges heat with the cooling oil of motor 200. After heat exchange, it is discharged from the second outlet 440 and enters the second pipe 452. The water in the second pipe 452 enters the water tower 100 through the outlet connection 320 and the inlet.

[0034] Furthermore, such as Figure 1 As shown, the first liquid inlet 410 and the first liquid outlet 420 are located on the side wall of the housing 300.

[0035] The first liquid inlet 410 and the first liquid outlet 420 of the plate heat exchanger 400 are directly located on the side wall of the housing 300. Therefore, there is no need to install pipes between the plate heat exchanger 400 and the side wall of the housing 300, making full use of the internal space of the housing 300, making the internal structure of the housing 300 compact and the volume of the housing 300 smaller.

[0036] Furthermore, such as Figure 3 As shown, the outer side wall of the housing 300 includes a first side wall 330 and a second side wall 340. A first liquid inlet 410 and a first liquid outlet 420 are installed on the first side wall 330, and a liquid inlet connection 310 and a liquid outlet connection 320 are installed on the second side wall 340.

[0037] The first liquid inlet 410 and the first liquid outlet 420 are installed on different side walls, which facilitates the connection of the water-cooled liquid chiller with the motor 200 and the water tower 100.

[0038] Furthermore, such as Figure 3As shown, the housing 300 is rectangular, with two first sidewalls 330 and two second sidewalls 340. The two first sidewalls 330 are arranged opposite each other in the left-right direction, and the two second sidewalls 340 are arranged opposite each other in the front-back direction. The two second sidewalls 340 are located between the two first sidewalls 330. The first liquid inlet 410 and the first liquid outlet 420 are installed on one of the first sidewalls 330, and the liquid inlet connection port 310 and the liquid outlet connection port 320 are installed on one of the second sidewalls 340.

[0039] The housing 300 is rectangular, which makes the structure of the housing 300 compact and facilitates the connection of the water-cooled liquid chiller with the motor 200 and the water tower 100.

[0040] Furthermore, such as Figure 1 , 2 As shown, the first liquid inlet 410 and the first liquid outlet 420 are located on the upper right side of the plate heat exchanger 400 and are spaced apart in the vertical direction. The second liquid inlet 430 and the second liquid outlet 440 are located on the upper left side of the plate heat exchanger 400 and are spaced apart in the vertical direction. The pump 500 is located on the left side of the plate heat exchanger 400.

[0041] The plate heat exchanger 400 adopts the above-mentioned design for its inlet and outlet ports, which facilitates the first inlet port 410 and the first outlet port 420 to extend out of the housing 300, facilitates the connection of the second inlet port 430 to the first pipe 451, facilitates the connection of the second outlet port 440 to the second pipe 452, and also facilitates the setting of the inlet connection port 310 and the outlet connection port 320, thereby making full use of the internal space of the housing 300.

[0042] Furthermore, such as Figure 1 , 2 As shown, a water tank 600 is installed inside the housing 300. One end of the first pipe 451 is connected to the second liquid inlet 430, and the other end of the first pipe 451 is connected to the bottom surface of the water tank 600. The liquid inlet connection port 310 is connected to the interior of the water tank 600 and is located above the bottom surface.

[0043] A water tank 600 is provided between the liquid inlet connection 310 and the first pipe 451, so that the water tank 600 can store a certain amount of water, thereby preventing the pump 500 from running dry and improving the service life of the pump 500.

[0044] Furthermore, such as Figure 2 , 4 As shown, a water inlet 350 is installed on the side wall of the tank 300. The water inlet 350 is connected to the inside of the water tank 600. When there is no water inside the tank 300, water can be added to the water tank 600 through the water inlet 350.

[0045] Furthermore, such as Figure 4As shown, a water tank observation window 610 is installed on the side wall of the water tank 600. The water tank observation window 610 protrudes outside the tank body 300. By setting the water tank observation window 610, it is convenient for workers to observe the water level in the water tank 600 in real time.

[0046] Furthermore, such as Figure 4 As shown, the side wall of the enclosure 300 has multiple heat dissipation holes 360 to dissipate heat from the interior of the enclosure 300.

[0047] Although the technical solutions of this utility model have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these technical solutions without departing from the principles and spirit of this utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A water-cooled liquid chiller for connection to a water tower and a motor, characterized in that, include: Box; A plate heat exchanger extending vertically is installed inside a housing. The plate heat exchanger has a first liquid inlet, a first liquid outlet, a second liquid inlet, and a second liquid outlet. The plate heat exchanger has a first heat exchange channel and a second heat exchange channel spaced apart. The two ends of the first heat exchange channel are respectively connected to the first liquid inlet and the first liquid outlet. The second heat exchange channel is respectively connected to the second liquid inlet and the second liquid outlet. The first liquid inlet and the first liquid outlet are connected to the motor. The second liquid inlet and the second liquid outlet are connected to the water tower through a pipe assembly. A pump is located inside the housing and is mounted on the piping assembly.

2. The water-cooled liquid chiller according to claim 1, characterized in that: The side wall of the tank has an inlet and an outlet connected to the water tower. The pipeline assembly includes a first pipeline and a second pipeline located inside the tank. The inlet is connected to the second inlet through the first pipeline, and the outlet is connected to the second outlet through the second pipeline. The pump is mounted on the first pipeline.

3. The water-cooled liquid chiller according to claim 2, characterized in that: The first liquid inlet and the first liquid outlet are located on the side wall of the box.

4. The water-cooled liquid chiller according to claim 3, characterized in that: The outer side wall of the housing includes a first side wall and a second side wall. The first liquid inlet and the first liquid outlet are installed on the first side wall, and the liquid inlet connection port and the liquid outlet connection port are installed on the second side wall.

5. The water-cooled liquid chiller according to claim 4, characterized in that: The box is rectangular, with two first sidewalls and two second sidewalls. The two first sidewalls are arranged opposite each other in the left-right direction, and the two second sidewalls are arranged opposite each other in the front-back direction. The two second sidewalls are located between the two first sidewalls. The first liquid inlet and the first liquid outlet are installed on one of the first sidewalls, and the liquid inlet connection port and the liquid outlet connection port are installed on one of the second sidewalls.

6. The water-cooled liquid chiller according to any one of claims 1 to 5, characterized in that: The first liquid inlet and the first liquid outlet are located on the upper right side of the plate heat exchanger and are spaced apart in the vertical direction. The second liquid inlet and the second liquid outlet are located on the upper left side of the plate heat exchanger and are spaced apart in the vertical direction. The pump is located on the left side of the plate heat exchanger.

7. The water-cooled liquid chiller according to claim 2, characterized in that: A water tank is installed inside the box. One end of the first pipe is connected to the second liquid inlet, and the other end of the first pipe is connected to the bottom surface of the water tank. The liquid inlet is connected to the interior of the water tank and is located above the bottom surface.

8. The water-cooled liquid chiller according to claim 7, characterized in that: A water inlet is installed on the side wall of the tank, and the water inlet is connected to the interior of the water tank.

9. The water-cooled liquid chiller according to claim 7, characterized in that: The water tank has an observation window installed on its side wall, and the observation window protrudes from the outside of the tank.

10. The water-cooled liquid chiller according to claim 1, characterized in that: The side wall of the enclosure has multiple heat dissipation holes.