Liquid cooling plate leakage detection device

By combining an infrared temperature sensor and a thermal cycling component, the high cost and low accuracy of liquid cooling plate leak detection are solved, achieving low-cost, high-precision leak detection and ensuring the accuracy and safety of the detection results.

CN223470753UActive Publication Date: 2025-10-24XINSUWANGHUA MEASUREMENT & CONTROL TECH (SUZHOU) CO LTD
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Patent Information

Application Number
CN202423097965.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-10-24
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Existing methods for detecting leaks in liquid cooling plates suffer from high costs, insufficient accuracy, and strong subjectivity in the test results.

Method used

An infrared temperature sensor combined with a thermal circulation component is used to detect the temperature of the liquid cooling plate. The leak point is determined by detecting the temperature change at the weld edge. Magnets and limiting components are used to ensure the accuracy and safety of the detection.

Benefits of technology

It enables low-cost and accurate detection of liquid cooling plate leaks, reduces environmental and human health risks, and improves the objectivity of detection results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of liquid cooling plate detection, in particular to a liquid cooling plate leakage detection device which comprises a base, the upper end face of the base is fixedly connected with a connecting frame, the outer side of the connecting frame is provided with a shell fixedly connected with the base, one side of the shell is provided with a display screen, and one side of the connecting frame is provided with a side notch in a penetrating mode. Sliding grooves are formed in the two sides of the connecting frame, a fixing assembly capable of being pulled in a sliding mode is arranged between the sliding grooves in the two sides, the liquid cooling plate is placed on the fixing assembly to be detected, limiting pieces are arranged at the two ends of the side notch to limit the fixing assembly, and a thermal circulation assembly is arranged at one end of the connecting frame. Compared with a plurality of detection modes commonly used at present, the device has the advantages that the detection cost is low, the detection result is accurate, the infrared temperature sensor is used for detection, and the accuracy of the detection result is ensured compared with a physical phenomenon observation method of human eye observation.
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Description

TECHNICAL FIELD

[0001] The utility model relates to liquid cooling plate detection technical field, concretely is a kind of liquid cooling plate leakage detection device. BACKGROUND

[0002] Liquid cooling plate is the important component of new energy automobile battery cooling system, its main role is through water cooling system and takes away the heat generated by battery, since liquid cooling plate working medium is water, and battery works very abhorrent water, therefore, liquid cooling plate must be strictly detected.

[0003] At present, there are various detection methods for liquid cooling plate, including tracer gas method, pressure difference method and physical phenomenon observation method, but these methods have the following disadvantages:

[0004] 1, tracer gas method needs to use specific gas (such as helium) as tracer medium, the cost of these gases is higher, if tracer gas leaks into the environment, it may cause potential risk to the environment and human health;

[0005] 2, pressure difference method may not be accurate when detecting small leakage, because pressure change may be affected by many factors, such as temperature fluctuation, environmental pressure change, etc.;

[0006] 3, physical phenomenon observation method depends on the visual and tactile judgment of operator, which may lead to strong subjectivity of detection result, and accuracy is difficult to guarantee.

[0007] Therefore, a liquid cooling plate leakage detection device is needed to improve the above problems. UTILITY MODEL CONTENT

[0008] The utility model aims at providing a kind of liquid cooling plate leakage detection device to solve the problems raised in the above background.

[0009] To achieve the above object, the utility model provides the following technical scheme:

[0010] A kind of liquid cooling plate leakage detection device, including base, the upper end surface of the base is fixedly connected with connecting frame, the outer side of the connecting frame is provided with the shell fixedly connected with base, display screen is installed in one side of shell, side notch is passed through and established in one side of connecting frame, and sliding slot is established in the both sides of connecting frame, and the both sides sliding slot are provided with the fixed assembly of slidable pull-out, liquid cooling plate is placed on fixed assembly and is detected, the both ends of side notch are provided with limiting piece and limit fixed assembly, one end of connecting frame is provided with thermal cycle component, and the connecting end that cooperates with liquid cooling plate is provided on thermal cycle component;

[0011] The upper end of the base is fixedly connected with a mounting frame a on both sides through connecting rods, a plurality of infrared temperature sensors for temperature detection are arranged at equal intervals on the mounting frame a, mounting frames b are fixedly connected between the plurality of infrared temperature sensors, a controller is fixedly connected to the middle of the mounting frame a, and the controller is electrically connected with the plurality of infrared temperature sensors.

[0012] As a preferred scheme of the utility model, the fixing assembly comprises a plurality of slide rods slidingly arranged in the slide grooves on both sides, and a fixing rod is fixedly connected between the two ends of the slide rods on both sides, a supporting convex part is fixedly connected to one side of each slide rod, and a magnet is embedded on the upper end of the supporting convex part.

[0013] As a preferred scheme of the utility model, the limiting piece comprises a limiting block, one end of the limiting block is rotatably connected with the connecting frame through a hinge shaft, and a fixing screw is rotatably connected to the middle of the limiting block.

[0014] As a preferred scheme of the utility model, the heat cycle assembly comprises a shell, a plurality of heating nets are arranged at one end in the shell, and circulating fans are installed at both ends in the shell.

[0015] As a preferred scheme of the utility model, a connecting channel is formed at a position corresponding to the connecting frame and the circulating fan, and a docking end is fixedly connected to the other end of each connecting channel.

[0016] As a preferred scheme of the utility model, a docking sealing ring is arranged in each docking end, so as to seal the connection when the liquid cooling plate is docked.

[0017] As a preferred scheme of the utility model, an entering notch is formed at a position corresponding to the side notch of the shell, and a baffle is rotatably connected to the upper end of the entering notch.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] The heat cycle assembly is cooperatively docked with the liquid cooling plate, the plurality of infrared temperature sensors are arranged, the temperature of the welding edge of the liquid cooling plate is detected, whether the liquid cooling plate has a leakage point is judged, and compared with several detection methods commonly used at present, the utility model has low detection cost, accurate detection result, and relies on the infrared temperature sensor for detection, compared with the physical phenomenon observation method of human eye observation, and the accuracy of the detection result is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole perspective view of the utility model;

[0021] Figure 2 It is a first perspective view of the internal structure of the utility model;

[0022] Figure 3 It is the second perspective view of internal structure of the utility model;

[0023] Figure 4 It is the third perspective view of internal structure of the utility model;

[0024] Figure 5 It is the sectional view of internal structure of the utility model;

[0025] Figure 6 It is the utility model Figure 3 It is the enlarged view of A in the utility model;

[0026] Figure 7 It is the utility model Figure 5 It is the enlarged view of B in the utility model.

[0027] In the drawing: base 1, shell 2, access notch 3, baffle 4, connecting frame 5, mounting frame a 6, mounting frame b 7, infrared temperature sensor 8, controller 9, connecting rod 10, support convex part 11, sliding rod 12, fixed rod 13, sliding groove 14, limit block 15, fixed screw rod 16, side notch 17, butt joint end 18, connecting channel 19, circulating fan 20, heating net 21. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be apparently and completely described below in conjunction with the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] In order to facilitate the understanding of the utility model, the utility model will be comprehensively described below in conjunction with the related description. Several embodiments of the utility model are given. However, the utility model can be realized in many different forms, and is not limited to the embodiments described in the text. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0030] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. The use herein of the terms "and / or" includes a set of one or more associated listed items.

[0032] Referring to Figures 1-7 , the application provides a technical scheme:

[0033] Embodiments, please refer to Figure 1 , 2 , 3, 4, 5, 6 and 7, a liquid cooling plate leakage detection device, comprising a base 1, the upper end surface of the base 1 is fixedly connected with a connecting frame 5, the outer side of the connecting frame 5 is provided with an outer shell 2 fixedly connected with the base 1, a display screen is installed on one side of the outer shell 2, a side notch 17 is provided on one side of the connecting frame 5, an entering notch 3 is provided on the side corresponding to the side notch 17 of the outer shell 2, and a baffle 4 is rotatably connected to the upper end of the entering notch 3, and a sliding groove 14 is provided on both sides of the connecting frame 5, a fixed assembly slidably pulled between the two sliding grooves 14 is provided, the liquid cooling plate is placed on the fixed assembly for detection, the two ends of the side notch 17 are provided with limiting pieces for limiting the fixed assembly, one end of the connecting frame 5 is provided with a thermal cycle assembly, and a connecting end for cooperating with the liquid cooling plate is provided on the thermal cycle assembly; the upper end of the base 1 is fixedly connected with a mounting frame a 6 through a connecting rod 10, a plurality of infrared temperature sensors 8 for temperature detection are arranged at equal intervals on the mounting frame a 6, and a mounting frame b 7 is fixedly connected between the plurality of infrared temperature sensors 8, a controller 9 is fixedly connected to the middle of the mounting frame a 6, and the controller 9 is electrically connected between the plurality of infrared temperature sensors 8.

[0034] The fixed assembly is used for placing the liquid cooling plate, the fixed assembly is limited and fixed by the limiting pieces after the liquid cooling plate is placed, the liquid inlet and outlet end of the liquid cooling plate cooperates with the thermal cycle assembly, the heated air is injected into the liquid cooling plate through the thermal cycle assembly, and the temperature of the welded side of the liquid cooling plate is detected through the plurality of infrared temperature sensors 8, when the temperature changes, it indicates that there is a leakage point, and the controller processes the generated signal.

[0035] Referring to Figure 1 , 2 and 3, the fixed assembly comprises a group of slide rods 12 slidably arranged in the two sliding grooves 14, and a fixed rod 13 is fixedly connected between the two ends of the two slide rods 12, a support protruding part 11 is fixedly connected to one side of each slide rod 12, and a magnet is embedded on the upper end of the support protruding part 11.

[0036] The liquid cooling plate is supported by the supporting convex part 11, and the support is magnetically fixed to the liquid cooling plate by a magnet, the whole slide rod 12 and the fixing rod 13 can be pulled out, and the liquid cooling plate is convenient to place and take out.

[0037] Please refer to Figure 1 , 2 and 3, the limiting piece includes a limiting block 15, one end of the limiting block 15 is rotationally connected with the connecting frame 5 through a hinge shaft, and a fixed screw rod 16 is rotationally connected with the middle part of the limiting block 15.

[0038] The thermal cycle assembly includes a shell, a plurality of heating nets 21 are arranged at one end inside the shell, and circulating fans 20 are installed at both ends inside the shell, a connecting channel 19 is arranged at a position corresponding to the connecting frame 5 and the circulating fan 20, and a butt joint end 18 is fixedly connected to the other end of each connecting channel 19, and a butt joint sealing ring is arranged inside each butt joint end 18, for sealing the connecting part when the liquid cooling plate is butt jointed.

[0039] The heating net 21 is used for heating air, and the heated air is injected into the inside of the liquid cooling plate through the circulating fan 20, and the arrangement of the butt joint sealing ring can avoid leakage at the butt joint part.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A liquid cooling plate leakage detection device, comprising a base (1), wherein the upper end surface of the base (1) is fixedly connected to a connection frame (5), an outer shell (2) fixedly connected to the base (1) is provided on the outer side of the connection frame (5), and a display screen is installed on one side of the outer shell (2), characterized in that: One side of the connecting frame (5) is provided with a side notch (17), and both sides of the connecting frame (5) are provided with a sliding groove (14), and a slidable fixing assembly is arranged between the two sliding grooves (14), the liquid cooling plate is placed on the fixing assembly for detection, and the two ends of the side notch (17) are provided with limiting pieces for limiting the fixing assembly, one end of the connecting frame (5) is provided with a thermal cycle assembly, and the thermal cycle assembly is provided with a connecting end matched with the liquid cooling plate. The upper end of the base (1) is fixedly connected with a mounting frame a (6) on both sides through a connecting rod (10), a plurality of infrared temperature sensors (8) for temperature detection are arranged at equal intervals on the mounting frame a (6), and a mounting frame b (7) is fixedly connected between the plurality of infrared temperature sensors (8), and a controller (9) is fixedly connected to the middle of the mounting frame a (6), and the controller (9) is electrically connected with the plurality of infrared temperature sensors (8).

2. The liquid cold plate leak detection apparatus of claim 1, wherein: The fixing assembly comprises a plurality of slide rods (12) slidably arranged in the sliding grooves (14) on both sides, and the two ends of the slide rods (12) on both sides are fixedly connected with a fixing rod (13), and one side of each slide rod (12) is fixedly connected with a supporting convex part (11), and a magnet is embedded on the upper end of the supporting convex part (11).

3. The liquid cold plate leak detection apparatus of claim 2, wherein: The limiting piece comprises a limiting block (15), and one end of the limiting block (15) is rotatably connected with the connecting frame (5) through a hinge shaft, and a fixing screw (16) is rotatably connected to the middle of the limiting block (15).

4. The liquid cold plate leak detection apparatus of any of claims 1-3, wherein: The thermal cycle assembly comprises a shell, and a plurality of heating nets (21) are arranged at one end of the shell, and circulating fans (20) are mounted at both ends of the shell.

5. The liquid cold plate leak detection apparatus of claim 4, wherein: The connecting frame (5) is provided with a connecting channel (19) corresponding to the position of the circulating fan (20), and the other end of each connecting channel (19) is fixedly connected with a docking end (18).

6. The liquid cold plate leak detection apparatus of claim 5, wherein: The inner part of each docking end (18) is provided with a docking sealing ring, which is used for sealing the connection when the liquid cooling plate is docked.

7. The liquid cold plate leak detection apparatus of claim 5, wherein: The shell (2) is provided with an entering notch (3) corresponding to the position of the side notch (17) on one side, and the upper end of the entering notch (3) is rotatably connected with a baffle (4).