Temperature rise test tool for energy storage high-voltage wiring harness
By designing a temperature rise testing fixture for high-voltage energy storage harnesses, using brackets, liners, and adjustment components to straighten the harness, and combining guide limits and clamping parts, the problem of thermocouples easily falling off and getting tangled was solved, achieving more accurate and safer temperature rise testing.
Patent Information
- Application Number
- CN202520701577.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-04-14
AI Technical Summary
During temperature rise testing, thermocouples are prone to detachment and wire entanglement in energy storage high-voltage wiring harnesses, leading to inaccurate test results.
A temperature rise testing fixture for high-voltage energy storage harnesses was designed. Through the combination of brackets, liners, guide rods and adjustment components, the moving block clamps and straightens the harness using an electric cylinder and traction rope. The thermocouple wires are guided and limited in the vertical groove to avoid tangling. The clamping part and the isolation part are combined to improve the test stability.
It effectively prevents thermocouples from falling off and tangling, improves the accuracy and safety of temperature rise testing, and extends the service life of thermocouple wires.
Smart Images

Figure CN223807987U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of wiring harness test, concretely is energy storage high voltage wiring harness temperature rise test frock. BACKGROUND
[0002] Energy storage high voltage wiring harness is the key component for connecting high voltage equipment (such as battery pack, inverter, motor etc.) in energy storage system, is responsible for the safe, efficient transmission high voltage and large current.
[0003] Energy storage high voltage wiring harness temperature rises continuously when using, to guarantee the safety and reliability of use, need to carry out temperature rise test, need to arrange multiple thermocouples on the surface of wiring harness at present when temperature rise test, but in the arrangement process, wiring harness can be bent when taking, therefore, will lead to the situation that thermocouple appears to fall off, simultaneously, the lead of multiple thermocouples is also easy to appear the situation of mutual entanglement, for this purpose, the utility model provides energy storage high voltage wiring harness temperature rise test frock that can solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing energy storage high voltage wiring harness temperature rise test frock to solve the problems in the background art.
[0005] To achieve the above object, the utility model provides the following technical scheme: energy storage high voltage wiring harness temperature rise test frock, including:
[0006] The bracket is provided with a bearing plate at the upper end;
[0007] The lining plate is fixedly connected to the bearing plate, and a guide rod is arranged on the lining plate;The first moving block and the second moving block are movably sleeved on the guide rod, and clamping portions for clamping the wiring harness are arranged on the first moving block and the second moving block respectively;
[0008] The adjusting assembly includes a first electric cylinder body and a pulley mounted on the lining plate, the movable end of the first electric cylinder body is connected with the first moving block, the pulley is wound with a traction rope, one end of the traction rope is connected with the first moving block, and the other end is connected with the second moving block;
[0009] The frame plate is fixedly connected to the front side of the lining plate, a plurality of vertical grooves are formed in the frame plate, and thermocouple leads are arranged in each vertical groove, and an isolation part is arranged on the frame plate.
[0010] As a preferred technical scheme, a spring is wound on the guide rod, one end of the spring is connected with the second moving block, and the other end is connected with the lining plate.
[0011] As a preferred technical scheme, the clamping part comprises a pad, a clamping groove is formed in the pad, a movable rod is screwed on the pad, a pressing block is rotatably connected to the lower end of the movable rod, and a straight rod is arranged on the pressing block and penetrates the pad.
[0012] As a preferred technical scheme, the clamping groove and the pad are both provided with a rubber contact layer.
[0013] As a preferred technical scheme, the isolation part comprises a second electric cylinder body mounted on the frame plate and a partition plate rotatably connected to the frame plate, and the movable end of the second electric cylinder body is hingedly connected to the partition plate.
[0014] As a preferred technical scheme, the partition plate is provided with a transparent observation window.
[0015] As a preferred technical scheme, two groups of roller columns are arranged in each vertical groove, and the thermocouple wires pass between the two groups of roller columns.
[0016] Compared with the prior art, the utility model has the advantages that:
[0017] The first electric cylinder body drives the first moving block to move away from the second moving block, the second moving block is driven to move on the guide rod through the traction of the traction rope, the first moving block and the second moving block move away from each other to straighten the wire harness, and the thermocouples are adhered to different positions on the surface of the wire harness by sequentially pulling a plurality of groups of thermocouple wires, so that the thermocouples are not easy to fall off, and the accuracy of the wire harness temperature rise test result is improved.
[0018] Each group of thermocouple wires is guided and limited by the vertical groove, and the corresponding thermocouples will not be staggered when adhered to the wire harness, effectively avoiding the mutual entanglement of the thermocouple wires. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 It is a schematic diagram of the first moving block and the second moving block movably sleeved on the guide rod of the utility model;
[0021] Figure 3 It is a schematic diagram of the adjusting assembly structure of the utility model;
[0022] Figure 4 It is a schematic diagram of the isolation part structure of the utility model;
[0023] Figure 5 It is a schematic diagram of the clamping part structure of the utility model;
[0024] Figure 6 It is a schematic diagram of the thermocouple wire passing through the vertical groove of the utility model;
[0025] In the figure: 10, bracket; 11, bearing plate; 20, backing plate; 21, guide rod; 22, first moving block; 23, second moving block; 24, clamping part; 241, cushion block; 242, clamping groove; 243, movable rod; 244, pressing block; 245, straight rod; 25, adjusting assembly; 251, first electric cylinder; 252, pulley; 253, traction rope; 254, spring; 30, frame plate; 31, isolation part; 311, partition; 312, transparent observation window; 32, vertical slot; 33, thermocouple wire; 34, roller. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0027] Please refer to Figures 1-6
[0028] Embodiment 1 provides a kind of energy storage high-voltage harness temperature rise test tool:
[0029] Bracket 10 upper end is provided with bearing plate 11, and bearing plate 11 is used to temporarily place the energy storage high-voltage harness to be tested.
[0030] Backing plate 20 is fixedly connected on bearing plate 11, and backing plate 20 is provided with guide rod 21, first moving block 22 and second moving block 23 are movably sleeved on guide rod 21, first moving block 22 and second moving block 23 are respectively provided with clamping part 24 that can clamp harness, after energy storage high-voltage harness is placed on bearing plate 11, the position close to two ends of harness is clamped by two groups of clamping parts 24 respectively, so that the harness is lifted.
[0031] Adjusting assembly 25 includes first electric cylinder 251 and pulley 252 installed on backing plate 20, the movable end of first electric cylinder 251 is connected with first moving block 22, pulley 252 is wound with traction rope 253, one end of traction rope 253 is connected with first moving block 22, and the other end is connected with second moving block 23, first electric cylinder 251 is controlled to drive first moving block 22 to move away from second moving block 23, and first moving block 22 and second moving block 23 are away from each other to straighten the harness by the traction of traction rope 253 to drive second moving block 23 to move synchronously on guide rod 21.
[0032] The frame plate 30 is fixed to the front side of the lining plate 20, a plurality of vertical grooves 32 are formed on the frame plate 30, and a thermocouple lead 33 is arranged in each vertical groove 32. The plurality of thermocouple leads 33 are connected to a temperature data acquisition instrument. After the wire harness part between the first moving block 22 and the second moving block 23 is straightened, the thermocouples are bonded to different positions on the surface of the wire harness by sequentially pulling a plurality of thermocouple leads 33, so that the thermocouples are not easy to fall off, and each thermocouple lead 33 is guided and limited by the vertical groove 32, so that the corresponding thermocouples will not be staggered when bonded to the wire harness, effectively avoiding the mutual entanglement of the thermocouple leads 33.
[0033] In embodiment 2, a high-voltage wire harness temperature rise test tool is provided.
[0034] The guide rod 21 is wound with a spring 254, one end of the spring 254 is connected with the second moving block 23, the other end is connected with the lining plate 20, when the first moving block 22 and the second moving block 23 are away from each other, the second moving block 23 compresses the spring 254, and when the first electric cylinder 251 drives the first moving block 22 to reset, the second moving block 23 can also be reset under the action of the elastic force of the spring 254, which is convenient to operate.
[0035] The clamping part 24 includes a pad 241, a clamping groove 242 is formed in the pad 241, and a movable rod 243 is screwed on the pad 241, a pressing block 244 is rotatably connected to the lower end of the movable rod 243, a straight rod 245 is provided on the pressing block 244 and penetrates the pad, and a rubber contact layer is provided on the clamping groove 242 and the pad. One end of the wire harness is located outside the clamping groove 242, the wire harness is crimped on the clamping groove 242 by rotating the movable rod 243 to drive the pressing block 244, and the rubber contact layer can be contacted with the outside of the wire harness to avoid damaging the wire harness.
[0036] The frame plate 30 is provided with an isolation part 31, the isolation part 31 includes a second electric cylinder mounted on the frame plate 30 and a partition plate 311 rotatably connected with the frame plate 30, the second electric cylinder is not shown in the figure, the movable end of the second electric cylinder is hinged with the partition plate 311, and a transparent observation window 312 is provided on the partition plate 311. When the wire harness is tested for temperature rise, the second electric cylinder drives the partition plate 311 to pivot to the opening of the frame plate 30 to form an isolation, improving the safety of the test, and the transparent observation window 312 is convenient for observation.
[0037] Two groups of roller columns 34 are arranged in each vertical groove 32, the thermocouple lead 33 passes between the two groups of roller columns 34, the thermocouple lead 33 is in contact with the roller column 34 when being pulled, the roller column 34 can rotate to reduce the resistance, so that the thermocouple lead 33 is not easy to be damaged, prolonging the service life.
[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An energy storage high-voltage harness temperature rise test tool, characterized in that, The utility model provides a kind of wire harness fixing device, including: Bracket (10), upper end is provided with bearing plate (11); Backing plate (20), fixedly connected on the bearing plate (11), the backing plate (20) is provided with guide rod (21), the first moving block (22) and second moving block (23) are movably sleeved on the guide rod (21), the first moving block (22) and the second moving block (23) are respectively provided with the clamping portion (24) of wire harness can be clamped; Adjusting assembly (25), including first electric cylinder (251) and pulley (252) installed on the backing plate (20), the movable end of the first electric cylinder (251) is connected with the first moving block (22), the pulley (252) is wound with traction rope (253), one end of the traction rope (253) is connected with first moving block (22), the other end is connected with second moving block (23); Frame plate (30), fixedly connected on the front side of the backing plate (20), the frame plate (30) is opened multiple groups of vertical slot (32), every group of the vertical slot (32) is penetrated with thermocouple wire (33), and the frame plate (30) is configured with isolation part (31).
2. The energy storage high-voltage harness temperature rise test tooling of claim 1, wherein, The guide rod (21) is wound with spring (254), one end of the spring (254) is connected with the second moving block (23), the other end is connected with the backing plate (20).
3. The energy storage high-voltage harness temperature rise test tooling of claim 1, wherein, The clamping portion (24) includes cushion block (241), the clamping groove (242) is opened in the cushion block (241), and the movable rod (243) is screwed on the cushion block, the lower end of the movable rod (243) is rotatably connected with pressing block (244), the pressing block (244) is provided with straight rod (245) that is penetrated in the cushion block (241).
4. The energy storage high-voltage harness temperature rise test tooling of claim 3, wherein, The clamping groove (242) and the cushion block (241) are both provided with rubber contact layer.
5. The energy storage high-voltage harness temperature rise test tooling of claim 1, wherein, The isolation part (31) includes second electric cylinder and partition plate (311) rotatably connected with frame plate (30) installed on the frame plate (30), the movable end of the second electric cylinder is hingedly connected with the partition plate (311).
6. The energy storage high-voltage harness temperature rise test tooling of claim 5, wherein, The partition plate (311) is provided with transparent observation window (312).
7. The energy storage high-voltage harness temperature rise test tooling of claim 1, wherein, Two groups of roller columns (34) are arranged in every group of the vertical slot (32), and the thermocouple wire (33) passes between the two groups of roller columns (34).