Low-voltage switch cabinet testing device
By designing a low-voltage switch cabinet test device including brackets, partitions and guides, the problem of long testing time in the existing test device is solved, and the rapid positioning and connection of the drawer unit is achieved, and the testing efficiency and safety are improved.
Patent Information
- Application Number
- CN202421607899.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-09
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-09
AI Technical Summary
Due to the large number of drawer units and the large weight of the existing low-voltage switch cabinet test equipment, the testers need to frequently climb up and down the ladders, which consumes a lot of time to test one by one.
A low-voltage switch cabinet testing device is designed, including a bracket and several partitions. The partitions are arranged at the upper and lower intervals to separate several independent compartments, and the drawer unit can be slidably placed in the compartment. There are tracks on both sides of the partition plate to adapt to the rollers of the drawer unit; adjustment parts and guides are provided on the partition plate to facilitate the positioning and opening circuit of the drawer unit.
The device is simple in structure and convenient in operation, which can greatly save the working time of the inspectors, reduce labor costs, and improve the efficiency and safety of the test.
Smart Images

Figure CN222838140U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of switch cabinets, in particular to a low-voltage switch cabinet testing device. Background Art
[0002] The switchgear is an electrical equipment, whose main function is to open, close, control and protect electrical equipment in the process of power generation, transmission, distribution and power conversion in the power system. The switchgear contains a variety of components and has a large overall weight. The low-voltage switchgear includes a withdrawable low-voltage switchgear. This type of low-voltage switchgear has the characteristics of small size, compact structure, convenient transportation and installation, high protection performance and service life, and is widely used in various power systems. The withdrawable low-voltage switchgear includes a fixed cabinet and a removable device part equipped with switches and other main electrical components. The removable device part is the drawer structure. This kind of drawer-type switchgear needs to be tested one by one to see if it can work normally when it leaves the factory. Due to the large number of drawer units and their heavy weight, the drawers installed in the switchgear are stacked layer by layer. The drawers located at high places need to be reached with the help of ladders. The testers need to climb up and down, and testing one by one takes a lot of time. Utility Model Content
[0003] The utility model aims to provide a low-voltage switch cabinet testing device with simple structure and convenient operation, which comprises: a bracket and a plurality of partitions, wherein the partitions are arranged in the bracket at intervals in the upper and lower parts, and the partitions divide the bracket into a plurality of independent compartments, and the compartments can be used to place drawer units, and the drawer units can be slidably placed in the compartments; tracks are provided near the edges on both sides of the partitions, and the tracks can be adapted to the rollers of the drawer units for sliding; an adjusting member is provided on the partition near the entrance of the compartment, and the adjusting member includes a plurality of strip holes, and the strip holes can be adapted to the screws below the drawer unit to rotate in the holes thereof; a guide member is also provided on the partition near the entrance of the compartment, and the guide member includes a slide groove extending into the compartment, and the slide groove can be adapted to the connecting member below the drawer unit to slide in its groove.
[0004] Furthermore, a through hole is provided on the partition corresponding to the adjusting member, and the strip-shaped hole of the adjusting member passes through the through hole and protrudes toward the inside of the compartment.
[0005] Furthermore, the plurality of strip-shaped holes are arranged in parallel and at intervals.
[0006] Furthermore, the guide member is a Z-shaped member, including a first plate located at a higher position and a second plate located at a lower position, the first plate is arranged in parallel with the second plate, the second plate is connected to the partition, and the slide groove is provided on the lower surface of the first plate.
[0007] Furthermore, a guide opening is provided at the opening of the slide groove, and the guide opening is recessed toward the upper surface of the first plate relative to the slide groove.
[0008] Furthermore, it also includes an electric control unit, which can be electrically connected to the drawer unit.
[0009] Furthermore, the adjusting member is an integrally formed plastic member, and the adjusting member is connected to the partition plate via bolts.
[0010] Furthermore, a boss is provided on the track near the compartment entrance.
[0011] Compared with the prior art, the low-voltage switch cabinet test device of the utility model has the following advantages:
[0012] 1. The test device of the utility model has a simple structure and low production cost. The drawer unit can be directly placed on the device for testing to test whether the drawer unit has a fault, which can greatly save the working time of the inspectors and reduce labor costs.
[0013] 2. The utility model provides rails on both sides of the partition near the edge, and the rails can be adapted to the rollers of the drawer unit to slide, so that the drawer unit can enter the compartment with ease and smoothly. In addition, a guide is provided on the partition near the entrance of the compartment, and the guide includes a slide groove extending into the compartment, and the slide groove can be adapted to the connection piece under the drawer unit to slide in its groove, so that the drawer unit can be conveniently and accurately positioned to the required position when installed on the test device.
[0014] 3. The utility model has an adjusting piece on the partition near the entrance of the compartment. The adjusting piece includes a plurality of strip holes, and the strip holes can be adapted to the screw under the drawer unit to rotate in the holes. When the drawer unit is basically completely inserted into the compartment, a wrench is inserted into the door lock of the drawer, and the wrench is turned so that the screw under the drawer also rotates. The screw rotates in the strip hole, so that the drawer unit moves forward slightly until the drawer is connected to the circuit behind the test device, thereby connecting the circuit. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the structure of the low-voltage switch cabinet test device of the utility model;
[0016] Figure 2 It is a schematic diagram of the structure of the drawer unit 10 and the partition 2 of the utility model;
[0017] Figure 3 It is a structural schematic diagram of the guide member 23 of the utility model;
[0018] Figure 4 It is a schematic structural diagram of the adjusting member 22 of the utility model. DETAILED DESCRIPTION
[0019] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0020] See attached Figures 1 to 4 The utility model of the low-voltage switch cabinet testing device comprises: a bracket 1 and a plurality of partitions 2, wherein the bracket comprises four partitions 2 arranged vertically, and the partitions 2 are arranged in the bracket 1 at intervals up and down, and the partitions 2 separate the bracket 1 into a plurality of independent compartments 20, and the compartments 20 can be used to place the drawer unit 10.
[0021] The drawer unit 10 includes a roller, and the drawer unit 10 is slidably placed in the compartment 20 through the roller. The drawer unit 10 includes a door lock 11, and the door lock 11 has a hexagonal opening. The door lock 11 is connected to a screw rod 12. A hexagonal wrench is inserted into the hexagonal opening of the door lock 11, and the screw rod 12 can be rotated by rotating the wrench. A connecting member 13 is also provided below the drawer unit 10, and the connecting member is fixed to the bottom plate of the drawer unit 10 by bolts.
[0022] Tracks 21 are provided near the edges on both sides of the partition 2, and the tracks 21 can slide with the rollers of the drawer unit 10. Bosses 24 are provided on the tracks 21 near the entrance of the compartment, so that the drawer unit 10 is not easy to slide out of the compartment 10 after entering the compartment, thereby improving safety.
[0023] An adjusting member 22 is provided on the partition 2 near the entrance of the compartment. The adjusting member 22 includes a plurality of strip holes 23. The strip holes 23 can be adapted to rotate in the hole of the screw 12 below the drawer unit 10. A through hole is provided on the partition 2 corresponding to the adjusting member 22. The strip hole 23 of the adjusting member 22 protrudes into the compartment through the through hole. The plurality of strip holes 23 are arranged in parallel and spaced apart. In this embodiment, the adjusting member 22 is an integrally formed plastic member. The adjusting member 22 includes a body 220. The body 220 is a sheet-like structure. A protrusion 221 is provided on the body 220. The strip holes 23 are between the different protrusions 221. Four bolt holes 222 are provided on the corners of the body 220. The body 220 can be locked to the partition 2 by bolts.
[0024] A guide member 23 is also provided on the partition 2 near the entrance of the compartment. The guide member 23 includes a slide groove 231 extending into the compartment. The slide groove 231 can adapt to the connection member 13 below the drawer unit to slide in its groove. In this embodiment, the guide member 23 is a Z-shaped member, including a first plate 232 located at a higher position and a second plate 233 located at a lower position. The first plate 232 and the second plate 233 are arranged in parallel. The second plate 233 is connected to the partition 2. The lower surface of the first plate 232 is provided with the slide groove 231. In this embodiment, after the second plate 233 is fixed to the partition 2, the space between the first plate 232 and the partition 2 is the slide groove 231. In this embodiment, a guide opening 234 is provided at the opening of the slide groove 231. The guide opening 234 is concave toward the upper surface of the first plate 232 relative to the slide groove 231. In this embodiment, the connecting member 13 and the guide member 23 below the drawer unit 10 have the same shape. The first plate of the connecting member 13 located at a higher position is connected to the bottom plate of the drawer unit 10, and there is a space between the second plate located at a lower position and the bottom plate of the drawer unit 10, so that the connecting member 13 can slide in the slide groove 231.
[0025] In this embodiment, the testing device further includes an electric control unit 100 , and the electric control unit 100 can be electrically connected to the drawer unit.
[0026] In actual operation, the drawer unit 10 is pushed so that the roller of the drawer unit 10 enters the track 21 of the partition 2, and the drawer unit 10 is continued to be pushed so that the roller slides on the track 21, thereby allowing the drawer unit 10 to enter the compartment. When the drawer unit 10 is basically completely entered into the compartment 20, a wrench is inserted into the door lock 11 of the drawer unit, and the wrench is turned so that the screw 12 under the drawer unit 10 also rotates, and the screw 12 rotates in the bar hole 23 so that the drawer unit 10 moves forward slightly until the drawer unit 10 is connected to the circuit at the rear of the test device, thereby connecting the circuit and performing the detection operation. The structure is simple and the operation is convenient.
[0027] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0028] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0029] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0030] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0031] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms should not be understood as necessarily being directed to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification.
[0032] In summary, the above are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A low voltage switch cabinet testing device, characterized in that: include: A bracket and a plurality of partitions, wherein the partitions are arranged in the bracket at intervals up and down, and the partitions divide the bracket into a plurality of independent compartments, and the compartments can be used to place drawer units, and the drawer units can be slidably placed in the compartments; tracks are provided at both sides of the partitions near the edges, and the tracks can be adapted to the rollers of the drawer units for sliding; an adjusting piece is provided on the partition near the entrance of the compartment, and the adjusting piece includes a plurality of strip holes, and the strip holes can be adapted to the screws under the drawer unit to rotate in the holes thereof; a guide piece is also provided on the partition near the entrance of the compartment, and the guide piece includes a slide groove extending into the compartment, and the slide groove can be adapted to the connecting piece under the drawer unit to slide in its groove.
2. A low-voltage switch cabinet testing device according to claim 1, characterized in that: A through hole is arranged on the partition corresponding to the adjusting member, and the strip hole of the adjusting member passes through the through hole and protrudes toward the inside of the compartment.
3. A low-voltage switch cabinet testing device according to claim 1, characterized in that: The plurality of strip-shaped holes are arranged in parallel and at intervals.
4. A low voltage switch cabinet testing device according to claim 1, characterized in that: The guide member is a Z-shaped member, including a first plate located at a higher position and a second plate located at a lower position, the first plate is arranged in parallel with the second plate, the second plate is connected to the partition, and the lower surface of the first plate is provided with the slide groove.
5. A low-voltage switch cabinet testing device according to claim 1 or 4, characterized in that: A guide opening is provided at the opening of the slide slot, and the guide opening is concavely arranged toward the upper surface of the first plate relative to the slide slot.
6. A low voltage switch cabinet testing device according to claim 1, characterized in that: It also includes an electric control unit, which can be electrically connected to the drawer unit.
7. A low voltage switch cabinet testing device according to claim 1, characterized in that: The adjusting member is an integrally formed plastic member, and the adjusting member is connected to the partition plate via bolts.
8. A low voltage switch cabinet testing device according to claim 1, characterized in that: A boss is arranged on the track near the compartment entrance.