Energy storage NTC wire harness test clamp
By designing a test fixture for energy storage NTC harnesses, the instability problem of harnesses was solved by using clamping and fixing components, achieving stable fixing and convenient testing of harnesses, and adapting to the needs of harnesses of different specifications.
Patent Information
- Application Number
- CN202423207529.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-25
AI Technical Summary
In existing technologies, the NTC wiring harness is difficult to fix in energy storage tests, resulting in poor stability and easy detachment from the interface of the heating aluminum block, which affects the convenience of testing.
A test fixture for energy storage NTC wiring harnesses was designed, including a top plate, a bottom plate, a clamping assembly, and a fixing assembly. The wiring harness is clamped by the upper and lower clamping plates of the clamping assembly, and the lifting plate is driven by a cylinder to descend to achieve stable fixing of the wiring harness. The fixing assembly facilitates the installation and replacement of clamping plates of different specifications.
It improves the testing stability of energy storage NTC harnesses, prevents harnesses from detaching from the testing instrument interface, enhances testing convenience, and supports the adaptable installation of harnesses of different specifications.
Smart Images

Figure CN223857243U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a harness test technical field, concretely is a kind of energy storage NTC harness test fixture. BACKGROUND
[0002] Energy storage NTC harness is a kind of harness containing negative temperature coefficient thermistor (NTC thermistor), and NTC thermistor is a kind of temperature sensor, and its resistance value decreases with the increase of temperature, and energy storage NTC harness is usually composed of NTC thermistor, wire and connector, for measuring and monitoring the temperature change of environment or equipment;
[0003] When testing energy storage NTC harness, the wire of energy storage NTC harness usually needs to be connected to the interface of the heating aluminum block, and then the aluminum block temperature controller is connected to the heating aluminum block, the heating aluminum block is raised in temperature by temperature sensor, and when the temperature of aluminum block temperature controller reaches the set temperature, thermostat starts control circuit, controls temperature, so that the device keeps the current temperature, according to the number of energy storage NTC harness, different temperatures are set by using aluminum block temperature controller, so that the resistance value of NTC changes, so as to monitor whether there is sequence error in NTC parallel connection line;
[0004] However, the existing technology is not convenient for fixing energy storage NTC harness during testing, so that the stability of energy storage NTC harness is poor, and energy storage NTC harness is easy to be separated from the interface of heating aluminum block during operation, so that the test of energy storage NTC harness is more inconvenient. UTILITY MODEL CONTENTS
[0005] In order to solve the above problems, the utility model aims at providing a kind of energy storage NTC harness test fixture.
[0006] To solve the above technical problems, the utility model adopts the following technical scheme: a kind of energy storage NTC harness test fixture, including top plate and bottom plate, the top plate is set in the top of bottom plate, clamping assembly is equipped between the top plate and bottom plate, fixed assembly is equipped on the bottom plate and clamping assembly;
[0007] The clamping assembly includes lifting plate, the lifting plate is arranged between the top plate and the bottom plate, the lower surface of the lifting plate is detachably installed with upper clamping plate, the upper surface of the bottom plate is detachably installed with lower clamping plate, the upper clamping plate and lower clamping plate vertically correspond, the lower surface of the upper clamping plate and the upper surface of the lower clamping plate are all equipped with evenly distributed several insertion slots, the middle part of the top plate is fixedly installed with air cylinder, the piston end of the air cylinder and the middle part of the lifting plate are fixedly connected.
[0008] Preferably, the fixing assembly comprises ear blocks, a plurality of which are arranged, wherein four adjacent ear blocks are fixed on the side plates of the upper clamping plate, and another four adjacent ear blocks are fixed on the side edges of the lower clamping plate, a fixing screw is threadedly rotatably arranged on the ear blocks, the lower surface of the lifting plate and the upper surface of the bottom plate are both provided with a plurality of uniformly distributed threaded holes, and one end of the fixing screw is threadedly rotatably connected with the inner wall of the threaded hole.
[0009] Preferably, the other end of the fixing screw is threadedly rotatably arranged with a nut.
[0010] Compared with the prior art, the utility model has the beneficial effects that:
[0011] 1、 the utility model discloses, when multiple energy storage NTC wire harnesses pass through the insertion slot, through the action of the upper clamping plate and the lower clamping plate in the clamping assembly, multiple energy storage NTC wire harnesses can be clamped, and the energy storage NTC wire harness is used for testing, thereby improving the stability of the energy storage NTC wire harness in the subsequent test process, avoiding the situation that the interface of the wire harness and the detection instrument falls off, and improving the convenience of energy storage NTC wire harness testing.
[0012] 2、 the utility model discloses, through the action of the fixing assembly, the upper clamping plate and the lower clamping plate of different numbers of insertion slots can be conveniently fixed on the lower surface of the lifting plate and the upper surface of the bottom plate, so that the fixing installation of different specifications of the upper clamping plate and the lower clamping plate is conveniently realized, and then the replacement of different specifications of the upper clamping plate and the lower clamping plate is facilitated, so as to meet different test requirements. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0014] Fig. 1 It is a whole structure schematic view of the utility model kind energy storage NTC wire harness test fixture.
[0015] Fig. 2 It is another whole structure schematic view of the utility model kind energy storage NTC wire harness test fixture.
[0016] Fig. 3 It is the structure schematic view of the fixing assembly and the lower clamping plate of the utility model.
[0017] In the diagram: 1. Top plate; 11. Handle; 2. Bottom plate; 21. Anti-slip seat; 3. Clamping assembly; 31. Lifting plate; 32. Upper clamping plate; 321. Lower clamping plate; 33. Through slot; 34. Anti-slip pad; 35. Cylinder; 36. Guide rod; 4. Fixing assembly; 41. Ear block; 42. Fixing screw; 43. Threaded hole; 44. Nut. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0019] Example: Figs. 1-3 As shown, this utility model provides a test fixture for energy storage NTC harnesses, including a top plate 1 and a bottom plate 2. The top plate 1 is positioned above the bottom plate 2, and a clamping assembly 3 is provided between the top plate 1 and the bottom plate 2. By providing the clamping assembly 3, multiple energy storage NTC harnesses can be clamped, thereby improving the stability of the energy storage NTC harnesses during subsequent testing and preventing the harnesses from falling off the interface with the testing instrument. This also improves the convenience of testing the energy storage NTC harnesses. A fixing assembly 4 is provided on the bottom plate 2 and the clamping assembly 3. By providing the fixing assembly 4, the clamping assembly 3 can be easily installed and removed, making it convenient for testers to replace the clamping assembly 3 to achieve clamping of different numbers of energy storage NTC harnesses.
[0020] The clamping assembly 3 comprises a lifting plate 31 arranged between the top plate 1 and the bottom plate 2, the lower surface of the lifting plate 31 is detachably provided with an upper clamping plate 32, the upper surface of the bottom plate 2 is detachably provided with a lower clamping plate 321, the upper clamping plate 32 vertically corresponds to the lower clamping plate 321, the lifting plate 31 can make the upper clamping plate 32 vertically descend by driving the lifting plate 31 to vertically descend, when the lower surface of the upper clamping plate 32 and the upper surface of the lower clamping plate 321 are fitted, the energy storage NTC wire harness can be clamped, the lower surface of the upper clamping plate 32 and the upper surface of the lower clamping plate 321 are both provided with a plurality of evenly distributed insertion grooves 33, the inner wall of the insertion groove 33 is fixedly provided with an anti-skid pad 34, the insertion groove 33 and the anti-skid pad 34 are semicircular, by arranging the insertion groove 33 and the anti-skid pad 34, when the energy storage NTC wire harness passes through the insertion groove 33, the outer skin of the energy storage NTC wire harness contacts with the inner wall of the anti-skid pad 34, the anti-skid pad 34 can improve the stability of the energy storage NTC wire harness, and meanwhile avoids that the outer skin of the energy storage NTC wire harness is abraded, the middle part of the top plate 1 is fixedly provided with a gas cylinder 35, the piston end of the gas cylinder 35 is fixedly connected with the middle part of the lifting plate 31, by opening the gas cylinder 35, the piston end of the gas cylinder 35 can push the lifting plate 31 to vertically ascend and descend.
[0021] The upper surface of the top plate 1 is fixedly provided with a handle 11, by arranging the handle 11, the test personnel can conveniently carry the test fixture.
[0022] The lower surface of the bottom plate 2 is fixedly provided with four evenly distributed anti-skid seats 21, by arranging the anti-skid seat 21, the anti-skid seat 21 can improve the stability of the test fixture placed on the workbench.
[0023] Four evenly distributed guide rods 36 are fixedly arranged between the top plate 1 and the bottom plate 2, the lifting plate 31 is slidingly connected with the four guide rods 36, by arranging the guide rod 36, the guide rod 36 can guide the lifting plate 31 in the vertical direction, so that the lifting plate 31 keeps vertical ascending and descending, thereby improving the stability of the lifting plate 31.
[0024] The fixing assembly 4 comprises lug blocks 41, the lug blocks 41 are arranged in several groups, four adjacent lug blocks 41 are fixed on the side plates of the upper clamping plate 32, and four adjacent lug blocks 41 are fixed on the side edges of the lower clamping plate 321; a fixing screw rod 42 is threadedly rotatably arranged on the lug block 41; the lower surface of the lifting plate 31 and the upper surface of the bottom plate 2 are both provided with a plurality of uniformly distributed threaded holes 43; one end of the fixing screw rod 42 is threadedly rotatably connected with the inner wall of the threaded hole 43; and the other end of the fixing screw rod 42 is threadedly rotatably provided with a nut 44; through the arrangement of the lug block 41, the fixing screw rod 42, the plurality of threaded holes 43 and the nut 44, when the fixing screw rod 42 is threadedly rotated into the interior of the threaded hole 43, the lug block 41 is fixed through the nut 44, so that the upper clamping plate 32 and the lower clamping plate 321 can be fixed, and the plurality of threaded holes 43 can be used for fixing upper clamping plates 32 and lower clamping plates 321 of different specifications on the lifting plate 31 and the bottom plate 2 (the upper clamping plate 32 and the lower clamping plate 321 of different specifications refer to the upper clamping plate 32 and the lower clamping plate 321 with different numbers of penetrating grooves 33).
[0025] Working principle: when the energy storage NTC wire harness needs to be tested, the test personnel first place the upper clamping plate 32 and the lower clamping plate 321 of different specifications on the lower surface of the lifting plate 31 and the upper surface of the bottom plate 2 according to the single test requirement (the number of energy storage NTC wire harnesses for each test is different), then threadedly rotate the plurality of fixing screw rods 42 into the corresponding threaded holes 43, and lock the plurality of lug blocks 41 through the plurality of nuts 44, so that the upper clamping plate 32 and the lower clamping plate 321 are fixed on the lower surface of the lifting plate 31 and the upper surface of the bottom plate 2, thereby conveniently realizing the fixed installation of the upper clamping plate 32 and the lower clamping plate 321 of different specifications, and facilitating the replacement of the upper clamping plate 32 and the lower clamping plate 321 of different specifications to meet different test requirements.
[0026] Subsequently, the test personnel place the plurality of energy storage NTC wire harnesses in the plurality of penetrating grooves 33 on the lower clamping plate 321 one by one, then start the air cylinder 35, the piston end of the air cylinder 35 is stretched, the lifting plate 31 is vertically lowered, the lifting plate 31 slides downward on the plurality of guide rods 36, and the upper clamping plate 32 is lowered synchronously until the lower surface of the upper clamping plate 32 and the upper surface of the lower clamping plate 321 are in contact, at this time, the upper clamping plate 32 and the lower clamping plate 321 clamp the plurality of energy storage NTC wire harnesses for the test of the energy storage NTC wire harnesses, thereby improving the stability of the energy storage NTC wire harnesses in the subsequent test process, avoiding the separation of the wire harness and the interface of the detection instrument, and improving the convenience of the energy storage NTC wire harness test.
[0027] Obviously, those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model belong to the scope of the utility model claims and equivalent technologies, the utility model also intends to include these modifications and variations.
Claims
1. An energy storage NTC wire harness test fixture comprising a top plate (1) and a bottom plate (2), characterized in that: The top plate (1) is arranged above the bottom plate (2), a clamping assembly (3) is arranged between the top plate (1) and the bottom plate (2), and a fixing assembly (4) is arranged on the bottom plate (2) and the clamping assembly (3); The clamping assembly (3) comprises a lifting plate (31), the lifting plate (31) is arranged between the top plate (1) and the bottom plate (2), the lower surface of the lifting plate (31) is detachably provided with an upper clamping plate (32), the upper surface of the bottom plate (2) is detachably provided with a lower clamping plate (321), the upper clamping plate (32) vertically corresponds to the lower clamping plate (321), the lower surface of the upper clamping plate (32) and the upper surface of the lower clamping plate (321) are both provided with a plurality of evenly distributed insertion grooves (33), and the middle portion of the top plate (1) is fixedly provided with a gas cylinder (35), and the piston end of the gas cylinder (35) is fixedly connected with the middle portion of the lifting plate (31).
2. An energy-storing NTC wire harness test fixture as claimed in claim 1, wherein, The upper surface of the top plate (1) is fixedly provided with a handle (11).
3. An energy-storing NTC wire harness test fixture as claimed in claim 1, wherein, The lower surface of the bottom plate (2) is fixedly provided with four evenly distributed anti-skid seats (21).
4. An energy-storing NTC wire harness test fixture as defined in claim 1, wherein, The inner wall of the insertion groove (33) is fixedly provided with an anti-skid pad (34).
5. An energy-storing NTC wire harness test fixture as claimed in claim 1, wherein, Four guide rods (36) are fixedly arranged between the top plate (1) and the bottom plate (2), and the lifting plate (31) and the four guide rods (36) are in sliding connection.
6. An energy-storing NTC wire harness test fixture as defined in claim 1, wherein, The fixing assembly (4) comprises an ear block (41), a plurality of ear blocks (41) are arranged, four adjacent ear blocks (41) are fixed on the side plate of the upper clamping plate (32), and four adjacent ear blocks (41) are fixed on the side edge of the lower clamping plate (321), a fixing screw (42) is threadedly rotatably arranged on the ear block (41), a plurality of threaded holes (43) are arranged on the lower surface of the lifting plate (31) and the upper surface of the bottom plate (2), and one end of the fixing screw (42) is in threaded rotary connection with the inner wall of the threaded hole (43).
7. An energy-storing NTC wire harness test fixture as claimed in claim 6, wherein, The other end of the fixing screw (42) is threadedly rotatably provided with a nut (44).