Fuse resistance test explosion-proof box and fuse resistance test equipment

CN224720092UActive Publication Date: 2026-09-04SHIMENG ELECTRONIC (HUIZHOU) CO LTD
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Patent Information

Application Number
CN202521976598.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-15
Publication Date
2026-09-04
Estimated Expiration
2035-09-15

AI Technical Summary

Technical Problem

[0003]在现有技术中,现有的保险电阻试验采用鳄鱼夹具进行试验,被试验的保险电阻暴露于外侧,在试验过程中发生爆开和火花飞溅,导致现有的保险电阻试验的安全性较差

Benefits of technology

本实用新型提供一种保险电阻试验防爆箱和保险电阻试验设备,控制箱体内置有试验电路板;控制箱体外表面设有多个控制键,多个控制键电连接试验电路板,多个控制键暴露于控制箱体外表面,并分布于控制箱体的不同位置;控制箱体设有第一侧防爆板;防爆箱体设置于控制箱体的一侧,并连接于第一侧防爆板;防爆箱体设有防爆空间,该防爆空间用于容纳被试验的保险电阻;防爆箱体包括多个第二侧防爆板,多个第二侧防爆板分布于第一侧防爆板的多个方向,并与第一侧防爆板围合形成防爆空间;测试夹头通过导电线连接于试验电路板,该导电线穿设第一侧防爆板,测试夹头的测试端夹紧被试验的保险电阻,并对被试验的保险电阻进行电测试,实现了被试验的保险电阻的防爆管控,并充分利用了控制箱体和防爆箱体,避免了被试验的保险电阻暴露于外部环境,提高了保险电阻试验防爆箱对被试验的保险电阻的试验安全性。

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Abstract

The application provides a fuse resistance test explosion-proof box and a fuse resistance test device. The fuse resistance test explosion-proof box comprises a control box body, an explosion-proof box body and a test chuck. The control box body is internally provided with a test circuit board. The outer surface of the control box body is provided with a plurality of control keys which are electrically connected to the test circuit board. The explosion-proof box body is connected to a first side explosion-proof plate. The explosion-proof box body is provided with an explosion-proof space for accommodating a fuse resistance to be tested. The explosion-proof box body comprises a plurality of second side explosion-proof plates which form the explosion-proof space together with the first side explosion-proof plate. The test chuck is connected to the test circuit board through a conductive wire. The test end of the test chuck clamps the fuse resistance to be tested and performs electrical testing on the fuse resistance to be tested, realizes explosion-proof control of the fuse resistance to be tested, fully utilizes the control box body and the explosion-proof box body, and improves the test safety of the fuse resistance test explosion-proof box on the fuse resistance to be tested.
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Description

Technical Field

[0001] This utility model relates to the technical field of explosion-proof test chambers for fuse resistors, and in particular to an explosion-proof test chamber for fuse resistors and a fuse resistor testing device. Background Technology

[0002] With the development of technology, fusible resistors are electronic components that combine the functions of resistors and fuses. When working normally, fusible resistors perform conventional resistor functions such as current limiting and voltage division. When the circuit current exceeds the rated power, they can melt within seconds to minutes to protect other components.

[0003] In the existing technology, the existing fuse resistor test uses an alligator clamp, which exposes the fuse resistor under test to the outside. During the test, it may explode and sparks may fly, resulting in poor safety of the existing fuse resistor test. Utility Model Content

[0004] The purpose of this utility model is to provide an explosion-proof enclosure and testing equipment for fuse resistors. The control enclosure houses a test circuit board. Multiple control keys are located on the outer surface of the control enclosure, electrically connected to the test circuit board. These control keys are exposed on the outer surface of the control enclosure and distributed at different positions within the control enclosure. The control enclosure has a first-side explosion-proof plate. An explosion-proof enclosure is located on one side of the control enclosure and connected to the first-side explosion-proof plate. The explosion-proof enclosure has an explosion-proof space for accommodating the fuse resistor under test. The explosion-proof enclosure includes multiple second-side explosion-proof plates. Multiple second-side explosion-proof plates are distributed in multiple directions of the first-side explosion-proof plate, forming an explosion-proof space together with the first-side explosion-proof plate. The test clamp is connected to the test circuit board via a conductive wire that passes through the first-side explosion-proof plate. The test end of the test clamp clamps the fuse resistor under test and performs an electrical test on the fuse resistor under test. This achieves explosion-proof control of the fuse resistor under test and makes full use of the control box and explosion-proof box, avoiding the fuse resistor under test from being exposed to the external environment and improving the test safety of the fuse resistor under test in the explosion-proof test box.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an explosion-proof test chamber for fusible resistors, applied to fusible resistor testing equipment, the explosion-proof test chamber comprising: The control box contains a test circuit board; multiple control keys are provided on the outer surface of the control box, and the multiple control keys are electrically connected to the test circuit board. The multiple control keys are exposed on the outer surface of the control box and distributed in different positions of the control box; the control box is provided with a first side explosion-proof plate. An explosion-proof enclosure is disposed on one side of the control enclosure and connected to the first side explosion-proof plate; the explosion-proof enclosure is provided with an explosion-proof space for accommodating the fuse resistor under test; the explosion-proof enclosure includes multiple second side explosion-proof plates, which are distributed in multiple directions of the first side explosion-proof plate and enclose the first side explosion-proof plate to form an explosion-proof space. The test clamp is connected to the test circuit board via a conductive wire that passes through the first side explosion-proof plate. The test end of the test clamp clamps the fuse resistor under test and performs an electrical test on the fuse resistor under test.

[0006] Optionally, multiple second-side explosion-proof plates are connected in sequence and fixedly connected to the first-side explosion-proof plate; The explosion-proof enclosure also includes an explosion-proof cover plate, which is swayably connected to the first side explosion-proof plate to cover or open the opening of the explosion-proof space, through which the fuse resistor under test enters or leaves the explosion-proof space.

[0007] Optionally, the explosion-proof cover has a transparent area for testing personnel to view the fuse resistor under test within the explosion-proof space; Alternatively, the explosion-proof cover can be a transparent plate.

[0008] Optionally, a hinge is provided between the explosion-proof cover and the first side explosion-proof plate. The hinge includes a first hinge end and a second hinge end. The first hinge end is fixedly connected to the first side explosion-proof plate, and the second hinge end is fixedly connected to the explosion-proof cover. The first hinge end and the second hinge end are in a swingable connection structure and are hinged to each other.

[0009] Optionally, the explosion-proof space is a square space, and the control box has a receiving space, which is arranged at intervals with the explosion-proof space.

[0010] Optionally, the first explosion-proof plate is located between the receiving space and the explosion-proof space; The accommodating space and the explosion-proof space are separated by the first side explosion-proof plate.

[0011] Optionally, the accommodating space is used to accommodate the test circuit board, and the accommodating space is an directional space; The first explosion-proof plate is provided with a wire passage hole for passing a conductive wire through, and the wire passage hole connects the accommodating space and the explosion-proof space.

[0012] Optionally, the explosion-proof cover has a handle on the side wall facing away from the explosion-proof space for the user to grip.

[0013] Optionally, the explosion-proof space has a built-in micro switch, which is installed on the first side explosion-proof plate and electrically connected to the test circuit board via a conductive wire.

[0014] To achieve the above objectives, this utility model provides the following technical solution: a fuse resistor testing device, including the aforementioned fuse resistor testing explosion-proof box.

[0015] Compared with the prior art, the beneficial effects of this utility model are: This utility model provides an explosion-proof enclosure and testing equipment for fuse resistors. The control enclosure houses a test circuit board. Multiple control keys are located on the outer surface of the control enclosure, electrically connected to the test circuit board. These control keys are exposed on the outer surface of the control enclosure and distributed at different positions within the enclosure. The control enclosure has a first-side explosion-proof plate. An explosion-proof enclosure is located on one side of the control enclosure and connected to the first-side explosion-proof plate. The explosion-proof enclosure has an explosion-proof space for accommodating the fuse resistor under test. The explosion-proof enclosure includes multiple second-side explosion-proof plates. Two second-side explosion-proof plates are distributed in multiple directions around the first-side explosion-proof plate, forming an explosion-proof space together. The test clamp is connected to the test circuit board via a conductive wire that passes through the first-side explosion-proof plate. The test end of the test clamp clamps the fuse resistor under test and performs an electrical test on the fuse resistor. This achieves explosion-proof control of the fuse resistor under test and makes full use of the control box and explosion-proof box, avoiding the fuse resistor under test from being exposed to the external environment and improving the test safety of the fuse resistor under test in the explosion-proof test box. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application, and those skilled in the art can obtain other drawings based on these drawings without creative effort.

[0017] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings. In the following description, the same reference numerals denote the same parts.

[0018] Figure 1 A schematic diagram of an explosion-proof test chamber for fuse resistors according to an embodiment of this application is shown.

[0019] Figure 2 A cross-sectional view of an explosion-proof enclosure for fuse resistance testing according to an embodiment of this application is shown.

[0020] Figure 3 A schematic diagram of the internal structure of an explosion-proof test chamber for fuse resistance according to an embodiment of this application is shown.

[0021] Figure Labels 100. Explosion-proof test chamber for fusible resistors; 10. Control enclosure; 10a. Accommodation space; 11. Test circuit board; 12. Control keys; 13. First side explosion-proof plate; 13a. Wiring hole; 20. Explosion-proof enclosure; 20a. Explosion-proof space; 21. Second side explosion-proof plate; 22. Explosion-proof cover; 221. Handle; 30. Test the chuck; 40. Hinge; 41. First hinge end; 42. Second hinge end; 50. Micro switch. Detailed Implementation

[0022] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0023] Please refer to the attached document. Figures 1-3 This application provides an explosion-proof test chamber 100 for fuse resistors. The explosion-proof test chamber 100 is applied to fuse resistor testing equipment and is used for explosion-proof control of the fuse resistors being tested.

[0024] Please refer to the attached document. Figures 1-3In this embodiment, the explosion-proof test chamber 100 for fuse resistors includes a control box 10, an explosion-proof chamber 20, and a test clamp 30. The control box 10 houses a test circuit board 11. Multiple control keys 12 are provided on the outer surface of the control box 10, electrically connected to the test circuit board 11. These control keys 12 are exposed on the outer surface of the control box 10 and distributed at different locations within the control box 10. The control box 10 has a first-side explosion-proof plate 13. The explosion-proof chamber 20 is located on one side of the control box 10 and connected to the first-side explosion-proof plate 13. The explosion-proof chamber 20 has an explosion-proof space 20a for accommodating the fuse resistor under test. The 20 includes multiple second-side explosion-proof plates 21, which are distributed in multiple directions of the first-side explosion-proof plate 13 and together with the first-side explosion-proof plate 13 to form an explosion-proof space 20a. The test clamp 30 is connected to the test circuit board 11 through a conductive wire, which passes through the first-side explosion-proof plate 13. The test end of the test clamp 30 clamps the fuse resistor under test and performs an electrical test on the fuse resistor under test, thereby realizing the explosion-proof control of the fuse resistor under test. It also makes full use of the control box 10 and the explosion-proof box 20 to avoid the fuse resistor under test being exposed to the external environment and improves the test safety of the fuse resistor under test by the explosion-proof box 100.

[0025] Please refer to the attached document. Figures 1-3 In this embodiment, the control box 10 has a built-in test circuit board 11 for storing the test circuit board 11. The outer surface of the control box 10 is provided with a plurality of control keys 12, which are electrically connected to the test circuit board 11. The plurality of control keys 12 are exposed on the outer surface of the control box 10 and are distributed in different positions of the control box 10, so that the user can operate the test circuit board 11 in the external environment by means of the plurality of control keys 12. The control box 10 is provided with a first side explosion-proof plate 13, which is located on the right side of the control box 10.

[0026] The explosion-proof enclosure 20 is located on the right side of the control enclosure 10 and connected to the first explosion-proof plate 13. The explosion-proof enclosure 20 has an explosion-proof space 20a, which is used to accommodate the fuse resistor under test. The explosion-proof enclosure 20 includes multiple second explosion-proof plates 21, which are distributed in multiple directions of the first explosion-proof plate 13 and enclose the first explosion-proof plate 13 to form the explosion-proof space 20a. This achieves explosion-proof control of the fuse resistor under test and makes full use of the control enclosure 10 and the explosion-proof enclosure 20, avoiding the fuse resistor under test from being exposed to the external environment and improving the test safety of the fuse resistor under test by the explosion-proof enclosure 100.

[0027] The test clamp 30 is connected to the test circuit board 11 via a conductive wire, which passes through the first side explosion-proof plate 13. The test end of the test clamp 30 clamps the fuse resistor under test and performs an electrical test on the fuse resistor under test, ensuring the side view effect of the fuse resistor under test.

[0028] Please refer to the attached document. Figures 1-3 In this embodiment, multiple second-side explosion-proof plates 21 are connected sequentially and fixedly connected to the first-side explosion-proof plate 13; this ensures the connection stability between the multiple second-side explosion-proof plates 21 and the first-side explosion-proof plate 13, and improves the explosion-proof strength of the explosion-proof space 20a. The explosion-proof enclosure 20 also includes an explosion-proof cover plate 22, which is disposed on the upper side of the first-side explosion-proof plate 13. The explosion-proof cover plate 22 is swayably connected to the first-side explosion-proof plate 13 to cover or open the opening of the explosion-proof space 20a, so as to adjust the position of the explosion-proof cover plate 22 relative to the first-side explosion-proof plate 13. The fuse resistor under test enters or leaves the explosion-proof space 20a through the opening, improving the convenience of taking out and putting in the fuse resistor under test. When the explosion-proof cover plate 22 covers the opening of the explosion-proof space 20a, it ensures that the fuse resistor under test is blocked on all sides, so that the explosion-proof enclosure 20 is compatible with both explosion-proof effect and take-out effect.

[0029] Please refer to the attached document. Figures 1-3 In this embodiment of the application, the explosion-proof cover 22 is provided with a transparent area, which is used for the test personnel to view the fuse resistor under test in the explosion-proof space 20a; or, the explosion-proof cover 22 is a transparent plate so that the test personnel can directly view the fuse resistor under test during the test process.

[0030] Please refer to the attached document. Figures 1-3 In this embodiment of the application, a hinge 40 is provided between the explosion-proof cover plate 22 and the first side explosion-proof plate 13. The hinge 40 includes a first hinge end 41 and a second hinge end 42. The first hinge end 41 is fixedly connected to the first side explosion-proof plate 13, and the second hinge end 42 is fixedly connected to the explosion-proof cover plate 22. The first hinge end 41 and the second hinge end 42 are connected in a swingable connection structure and are hinged to each other, so that the explosion-proof cover plate 22 can swing relative to the first side explosion-proof plate 13 through the hinge 40, thereby facilitating the swing of the explosion-proof cover plate 22 under human action and improving the swing convenience of the explosion-proof cover plate 22.

[0031] Please refer to the attached document. Figures 1-3 In this embodiment of the application, the explosion-proof space 20a is a square space, and the control box 10 is provided with a receiving space 10a. The receiving space 10a and the explosion-proof space 20a are arranged at intervals so that the receiving space 10a and the explosion-proof space 20a can be arranged separately to prevent sparks from the explosion-proof space 20a from splashing into the receiving space 10a.

[0032] Please refer to the attached document. Figures 1-3 In this embodiment, the first explosion-proof plate 13 is located between the accommodating space 10a and the explosion-proof space 20a; the accommodating space 10a and the explosion-proof space 20a are separated by the first explosion-proof plate 13, so that the accommodating space 10a can be arranged separately from the explosion-proof space 20a through the first explosion-proof plate 13, thereby facilitating the first explosion-proof plate 13 to block the sparks from the explosion-proof space 20a from splashing into the accommodating space 10a.

[0033] Please refer to the attached document. Figures 1-3 In this embodiment, the accommodating space 10a is used to accommodate the test circuit board 11, and the accommodating space 10a is a directional space; so that the control box 10 can accommodate the test circuit board 11 through the accommodating space 10a, thereby facilitating the storage of the test circuit board 11 inside the control box 10. The first side explosion-proof plate 13 is provided with a wire-passing hole 13a, which is used for conductive wires to pass through. The wire-passing hole 13a connects the accommodating space 10a and the explosion-proof space 20a, so that the conductive wires can extend from the accommodating space 10a through the wire-passing hole 13a to the explosion-proof space 20a, avoiding the conductive wires from being exposed to the external environment.

[0034] Please refer to the attached document. Figures 1-3 In this embodiment of the application, a handle 221 is provided on the side wall of the explosion-proof cover 22 facing away from the explosion-proof space 20a. The handle 221 is used for the user to grasp, so that the user can swing the explosion-proof cover 22 by grasping the handle 221, thereby improving the swinging convenience of the explosion-proof cover 22.

[0035] Please refer to the attached document. Figures 1-3 In this embodiment of the application, the explosion-proof space 20a is equipped with a micro switch 50, which is installed on the first side explosion-proof plate 13 and electrically connected to the test circuit board 11 through a conductive wire so that the micro switch 50 can automatically cut off the power after being turned on.

[0036] In the second embodiment of the application, a fuse resistor testing device includes a fuse resistor testing explosion-proof box 100, which is part of the fuse resistor testing device, and the fuse resistor testing device is used to test the fuse resistor to be tested.

[0037] Compared with the prior art, the beneficial effects of this utility model are: This utility model provides an explosion-proof test chamber 100 for fuse resistors and a fuse resistor testing device. The control chamber 10 houses a test circuit board 11. Multiple control keys 12 are provided on the outer surface of the control chamber 10, electrically connected to the test circuit board 11. These control keys 12 are exposed on the outer surface of the control chamber 10 and distributed at different positions within the control chamber 10. The control chamber 10 has a first side explosion-proof plate 13. An explosion-proof chamber 20 is located on one side of the control chamber 10 and connected to the first side explosion-proof plate 13. The explosion-proof chamber 20 has an explosion-proof space 20a for accommodating the fuse resistor under test. The explosion-proof chamber 20 includes multiple... Two explosion-proof plates 21 are distributed in multiple directions of the first explosion-proof plate 13, forming an explosion-proof space 20a. A test clamp 30 is connected to the test circuit board 11 via a conductive wire that passes through the first explosion-proof plate 13. The test end of the test clamp 30 clamps the fuse resistor under test and performs an electrical test on the fuse resistor under test. This achieves explosion-proof control of the fuse resistor under test and makes full use of the control box 10 and the explosion-proof box 20, avoiding the fuse resistor under test from being exposed to the external environment and improving the test safety of the fuse resistor under test in the explosion-proof box 100.

[0038] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0039] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more features.

[0040] This document uses specific examples to illustrate the principles and implementation methods of this application. The descriptions of the above embodiments are only for the purpose of helping to understand the methods and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. An explosion-proof test chamber for fusible resistors, characterized in that, The explosion-proof test chamber for fuse resistors, used in fuse resistor testing equipment, comprises: The control box contains a test circuit board; multiple control keys are provided on the outer surface of the control box, and the multiple control keys are electrically connected to the test circuit board. The multiple control keys are exposed on the outer surface of the control box and distributed in different positions of the control box; the control box is provided with a first side explosion-proof plate. An explosion-proof enclosure is disposed on one side of the control enclosure and connected to the first side explosion-proof plate; the explosion-proof enclosure is provided with an explosion-proof space for accommodating the fuse resistor under test; the explosion-proof enclosure includes multiple second side explosion-proof plates, which are distributed in multiple directions of the first side explosion-proof plate and enclose the first side explosion-proof plate to form an explosion-proof space. The test clamp is connected to the test circuit board via a conductive wire that passes through the first side explosion-proof plate. The test end of the test clamp clamps the fuse resistor under test and performs an electrical test on the fuse resistor under test.

2. The explosion-proof test chamber for fusible resistors according to claim 1, characterized in that, Multiple second-side explosion-proof plates are connected in sequence and fixedly connected to the first-side explosion-proof plate; The explosion-proof enclosure also includes an explosion-proof cover plate, which is swayably connected to the first side explosion-proof plate to cover or open the opening of the explosion-proof space, through which the fuse resistor under test enters or leaves the explosion-proof space.

3. The explosion-proof test chamber for fusible resistors according to claim 2, characterized in that, The explosion-proof cover has a transparent area, which is used for test personnel to view the fuse resistor being tested in the explosion-proof space; Alternatively, the explosion-proof cover can be a transparent plate.

4. The explosion-proof test chamber for fuse resistors according to claim 3, characterized in that, A hinge is provided between the explosion-proof cover and the first side explosion-proof plate. The hinge includes a first hinge end and a second hinge end. The first hinge end is fixedly connected to the first side explosion-proof plate, and the second hinge end is fixedly connected to the explosion-proof cover. The first hinge end and the second hinge end are in a swingable connection structure and are hinged to each other.

5. The explosion-proof test chamber for fusible resistors according to claim 4, characterized in that, The explosion-proof space is a square space, and the control box has a receiving space, which is arranged at intervals with the explosion-proof space.

6. The explosion-proof test chamber for fusible resistors according to claim 5, characterized in that, The first explosion-proof plate is located between the accommodating space and the explosion-proof space; The accommodating space and the explosion-proof space are separated by the first side explosion-proof plate.

7. The explosion-proof test chamber for fusible resistors according to claim 5, characterized in that, The accommodating space is used to accommodate the test circuit board, and the accommodating space is an directional space; The first explosion-proof plate is provided with a wire passage hole for passing a conductive wire through, and the wire passage hole connects the accommodating space and the explosion-proof space.

8. The explosion-proof test chamber for fuse resistors according to claim 5, characterized in that, The explosion-proof cover has a handle on the side wall facing away from the explosion-proof space, which is used by the user to grip it.

9. The explosion-proof test chamber for fusible resistors according to claim 8, characterized in that, The explosion-proof space has a built-in micro switch, which is installed on the first side explosion-proof plate and electrically connected to the test circuit board via a conductive wire.

10. A fuse resistor testing device, characterized in that, Includes the explosion-proof test chamber for fuse resistors as described in any one of claims 1 to 9.