CN210744494U - Cover plate with inspection window and high-safety low-voltage cabinet using cover plate - Google Patents
Cover plate with inspection window and high-safety low-voltage cabinet using cover plate Download PDFInfo
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- CN210744494U CN210744494U CN201922157998.7U CN201922157998U CN210744494U CN 210744494 U CN210744494 U CN 210744494U CN 201922157998 U CN201922157998 U CN 201922157998U CN 210744494 U CN210744494 U CN 210744494U
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- cabinet
- circuit breaker
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- knife switch
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Abstract
The utility model discloses a high safe type low-voltage cabinet of cover plate and applied this cover plate of area inspection window, be provided with the inspection fenestra on the cover plate, the embedded inspection glass window that is equipped with of inspection fenestra, the cover plate passes through cover plate support mounting on low-voltage cabinet side cross beam, utilize the cover plate to seal the business turn over line end of moulded case circuit breaker and knife switch in with the low-voltage cabinet, can play safety protection's effect, the condition of incoming line end and leading-out terminal is observed to the inspection glass window that can set up on the cover plate again, it is convenient for observe again when the combination that utilizes the cover plate to observe glass window with observing realizes safety protection, and the environmental protection is cheap.
Description
Technical Field
The utility model relates to a power transmission and transformation technical field, concretely relates to high safe type low-voltage cabinet of cover plate and applied this cover plate of area inspection window.
Background
The low-voltage cabinet is important power equipment in the field of power transmission and transformation at present, mainly performs electric energy conversion and control, and is internally provided with a plurality of components such as a current transformer, a voltage transformer, various switches and a relay for controlling the on-off of a circuit.
The moulded case circuit breaker and the knife switch are used as important circuit control elements in the switch cabinet, the voltage at two ends of the moulded case circuit breaker and the knife switch is higher, but because the incoming line end connector and the outgoing line end connector of the moulded case circuit breaker and the knife switch are both directly exposed in the low-voltage cabinet, an operator is easy to have electric shock danger, and the safety is higher.
The prior art generally applies two methods for protection:
(1) adopt monoblock metal iron plate to cover the joint, though can reach safety protection's effect, nevertheless the condition of joint can't be observed, can not inspect, can't judge in advance whether can the accident appear.
(2) Adopt monoblock transparent organic glass as protection cover plate sealing cover joint, nevertheless because organic glass's intensity is less, does not resist high temperature, easy burning easily releases harmful gas, and the cost is higher, and practical application effect is unsatisfactory.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned technical problem, proposed following technical scheme:
in a first aspect, the embodiment of the utility model provides a cover plate of area inspection window, be provided with the inspection fenestra on the cover plate, it looks embedded being equipped with of inspection fenestra to look at the fenestra and looks at the glass window, the cover plate passes through cover plate support fixed mounting on low-voltage cabinet side cross beam, the business turn over terminal area that the observation area of looking at the glass window corresponds moulded case circuit breaker and knife switch.
With reference to the first aspect, in a first possible implementation manner of the first aspect, the cover plate is provided with a plurality of observation window holes, the observation window holes are uniformly distributed on the cover plate, and different observation window holes correspond to different wire inlet and outlet regions of the molded case circuit breaker and the knife switch.
With reference to the first aspect, in a second possible implementation manner of the first aspect, the cover plate bracket includes a first bracket and a second bracket, the first bracket and the second bracket are both provided with fixing holes, the first bracket is movably connected with the cover plate through the fixing holes, and the second bracket is movably connected with the side beam of the low-voltage cabinet through the fixing holes.
With reference to the second possible implementation manner of the first aspect, in a third possible implementation manner of the first aspect, the first bracket and the second bracket are fixedly connected by welding or are integrally formed.
With reference to the third possible implementation manner of the first aspect, in a fourth possible implementation manner of the first aspect, an included angle formed by the first bracket and the second bracket is 90 degrees.
With reference to the first aspect, in a fifth possible implementation manner of the first aspect, the cover plate is an aluminum-zinc-coated plate formed by punching and bending.
With reference to the first aspect, in a sixth possible implementation manner of the first aspect, warning signs are further disposed on the front cover plate and the rear cover plate, and the warning signs are fixedly connected to the cover plate.
In a second aspect, an embodiment of the present invention provides a high-safety low-voltage cabinet, including a front plastic-shell circuit breaker, a rear plastic-shell circuit breaker, a front knife switch and a rear knife switch, wherein the front plastic-shell circuit breaker and the rear plastic-shell circuit breaker are respectively fixed in the low-voltage cabinet through a first circuit breaker mounting plate and a second circuit breaker mounting plate, the front knife switch and the rear knife switch are respectively fixed in the low-voltage cabinet through a first knife switch mounting beam and a second knife switch mounting beam, the low-voltage cabinet further includes a plurality of cover plates with inspection windows of the first aspect, the inlet end and the outlet end of the front plastic-shell circuit breaker are respectively fixed with the cover plates with the inspection windows, the inlet end and the outlet end of the rear plastic-shell circuit breaker are respectively fixed with the cover plates with the inspection windows, the inlet end and the outlet end of the front knife switch are respectively fixed with the cover plates with the inspection windows, and the cover plate with the observation window is respectively fixed at the wire inlet end and the wire outlet end of the rear knife switch of the cabinet.
With reference to the second aspect, in a first possible implementation manner of the second aspect, the low-voltage cabinet further includes a front cabinet busbar and a rear cabinet busbar, where the front cabinet busbar and the rear cabinet busbar are fixed in the low-voltage cabinet by a first busbar mounting beam and a second busbar mounting beam, respectively.
With reference to the first possible implementation manner of the second aspect, in a second possible implementation manner of the second aspect, the first busbar mounting beam is disposed between the first knife switch mounting beam and the first breaker mounting plate, and the second busbar mounting beam is disposed between the second knife switch mounting beam and the second breaker mounting plate.
With reference to the first possible implementation manner of the second aspect, in a third possible implementation manner of the second aspect, the front cabinet busbar is disposed inside the first busbar mounting beam, and the rear cabinet busbar is disposed inside the second busbar mounting beam.
With reference to the second aspect, in a fourth possible implementation manner of the second aspect, the front bus bar of the cabinet is electrically connected to the front knife switch and the front molded case circuit breaker of the cabinet through a copper bar, and the rear bus bar of the cabinet is electrically connected to the rear knife switch and the rear molded case circuit breaker of the cabinet through a copper bar.
By adopting the implementation mode, the cover plate with the inspection window is respectively arranged on the wire inlet end and the wire outlet end of the molded case circuit breaker and the wire inlet end and the wire outlet end of the knife switch through the cover plate bracket in the low-voltage cabinet, so that the wire inlet end connector and the wire outlet end connector of the molded case circuit breaker, and the wire inlet end connector and the wire outlet end connector of the knife switch are covered, an operator is prevented from electric shock, safety protection is realized, the inspection glass window is arranged on the cover plate, and the conditions of the wire inlet end connector and the wire outlet end connector of the molded case circuit breaker and the knife switch can be conveniently observed. Still move the busbar from busbar installation roof beam outside to busbar installation roof beam inboard, the distance from the operator increases, and the security further promotes.
In a third aspect, an embodiment of the present invention provides a cover plate installation method for installing the cover plate with a viewing window of the first aspect and in the high-safety low-voltage cabinet of the second aspect, the method includes:
(1) determining the number, the size and the installation positions of the molded case circuit breakers and the knife switches in the low-voltage cabinet according to an electrical drawing;
(2) determining the sizes of the wire inlet and outlet cover plate of the molded case circuit breaker and the wire inlet and outlet cover plate of the knife switch according to the determined number, size and mounting position of the molded case circuit breaker and the knife switch, and simultaneously determining the position and size of the opening of the observation window hole on the cover plate, so that an observer can observe the conditions of the wire inlet and outlet terminals of the molded case circuit breaker and the knife switch from different angles;
(3) determining the size of a cover plate bracket and the number and the positions of holes according to the sizes of a wire inlet and outlet cover plate of the molded case circuit breaker and a wire inlet and outlet cover plate of a knife switch;
(4) the cover plates are correspondingly arranged at the wire inlet and outlet ends of the molded case circuit breaker and the knife switch through the cover plate bracket respectively, so that the cover plates cover the wire inlet and outlet ends of the molded case circuit breaker and the knife switch.
Drawings
Fig. 1 is a schematic view of a cover plate with a viewing window according to an embodiment of the present invention;
fig. 2 is a schematic view of a cover plate bracket according to an embodiment of the present invention;
fig. 3 is a schematic front side structural diagram of a high-safety low-voltage cabinet according to an embodiment of the present invention;
fig. 4 is a schematic rear side structural view of a high-safety low-voltage cabinet according to an embodiment of the present invention;
fig. 5 is a method for mounting a cover plate according to an embodiment of the present invention.
In FIGS. 1-5: 1-cover plate, 2-sight glass window, 3-cover plate bracket, 4-warning sign plate, 5-first bracket, 6-second bracket, 7-fixing hole, 8-low-voltage cabinet, 9-first knife switch mounting beam, 10-cabinet front knife switch, 11-first cover plate, 12-second cover plate, 13-cabinet front busbar, 14-first busbar mounting beam, 15-first moulded case circuit breaker mounting plate, 16-250A moulded case circuit breaker, 17-third cover plate, 18-fourth cover plate, 19-copper bar, 20-second knife switch mounting beam, 21-fifth cover plate, 22-sixth cover plate, 23-cabinet rear busbar, 24-second busbar mounting beam, 25-second moulded case circuit breaker mounting plate, 26-400A moulded case circuit breaker, 27-seventh panel, 28-eighth panel.
Detailed Description
The present invention will be described with reference to the accompanying drawings and embodiments.
Fig. 1 is a cover plate of area inspection window that the embodiment of the utility model provides a evenly set up a plurality of squares inspection window holes on cover plate 1, every inspection window hole inlays and is equipped with inspection glass window 2, and cover plate 1 is installed on the side crossbeam of low-voltage cabinet to the observation area of inspection glass window corresponds the business turn over terminal area of moulded case circuit breaker and knife switch, can follow the condition of different angles observation incoming line end and leading-out terminal through inspecting glass window 2. The location and number of openings in the viewing aperture can be determined based on the location and number of devices mounted on the mounting plate.
Further, in order to facilitate the installation of the cover plate 1 of the present embodiment in the low voltage cabinet 8, the present embodiment is provided with a cover plate bracket 3, such as the cover plate bracket shown in fig. 2, the cover plate bracket 3 includes a first bracket 5 and a second bracket 6, the first bracket 5 and the second bracket 6 are connected into a whole by welding, an included angle formed by the first bracket 5 and the second bracket 6 is 90 °, and the cover plate bracket 3 formed by the first bracket 5 and the second bracket 6 is in an "L" shape. A plurality of fixing holes 7 are formed in the first support 5 and the second support 6, when the cover plate fixing device is used, the first support 5 is connected with the cover plate 1 through bolts, the second support 6 is connected with a side cross beam in the low-voltage cabinet 8 through bolts, and therefore the cover plate 1 is fixed in the low-voltage cabinet 8. In this embodiment, the first bracket 5 and the second bracket 6 may be integrally connected to form the cover plate bracket 3 having an included angle of 90 ° and an "L" shape, which is not described herein again.
Fig. 3 and 4 are views of a high-safety low-voltage cabinet applying the cover plate according to this embodiment, and the low-voltage cabinet 8 of this embodiment is provided with two circuit control systems, which are respectively arranged on the front side of the low-voltage cabinet 8 and the rear side of the low-voltage cabinet 8. As shown in fig. 3, a front structure diagram of a low voltage cabinet 8 of the present embodiment is that a first knife switch mounting beam 9 is arranged on an upper portion of the low voltage cabinet 8, 2 1000A knife switches 10 are fixed on the first knife switch mounting beam 9, an upper end of the knife switch 10 is a wire inlet end of the knife switch 10, a lower end of the knife switch 10 is a wire outlet end of the knife switch 10, a first cover plate 11 is arranged on an upper end of the knife switch 10, a second cover plate 12 is arranged on a lower end of the knife switch 10, and a viewing glass window 2 is arranged on a cover plate corresponding to each wire inlet end and each wire outlet end of the knife switch 10. The cover plate is used for covering the wire inlet end connector and the wire outlet end connector of the knife switch 10, and the connector condition can be observed by observing the glass window 2.
Further, the front side of the low-voltage cabinet 8 of the embodiment is provided with the front cabinet bus bar 13, the front cabinet bus bar 13 is disposed below the second cover plate 12 through the first bus bar mounting beam 14, and for enhancing safety, the front cabinet bus bar 13 of the embodiment is mounted on the inner side of the first bus bar mounting beam 12, so that the safety distance can be increased, and an operator does not touch the bus bar during operation.
A first molded case circuit breaker mounting plate 15 is arranged below the cabinet front bus bar 13, a 3-way 250A molded case circuit breaker 16 is mounted on the first molded case circuit breaker mounting plate 15, the upper end of the 250A molded case circuit breaker 16 is an incoming line end of the 250A molded case circuit breaker 16, the lower end of the 250A molded case circuit breaker 16 is an outgoing line end of the 250A molded case circuit breaker 16, a third cover plate 17 and a fourth cover plate 18 are respectively mounted at the upper end and the lower end of the 250A molded case circuit breaker 16, and each incoming line end connector and each outgoing line end connector of the 250A molded case circuit breaker 16 correspond to one viewing glass window 2 on the cover plate. The incoming terminal connector and the outgoing terminal connector of the 250A molded case circuit breaker 16 are sealed by the cover plate, and the connector condition can be observed by observing the glass window 2.
Further, in order to enhance the safety and the aesthetic property, the front bus bar of the cabinet of the embodiment is connected with the wire outlet end of the knife switch 10 and the wire inlet end of the 250A molded case circuit breaker 16 through the copper bar 19, so that a messy connecting wire cannot be generated, and the cabinet is reliable, safe and beautiful.
As shown in fig. 4, the rear structure diagram of the low voltage cabinet of the embodiment is that a second knife switch mounting beam 20 is arranged on the upper portion of the low voltage cabinet, 2 1000A knife switches 10 are arranged on the second knife switch mounting beam 20, a fifth cover plate 21 is arranged on the upper end of the knife switch 10, a sixth cover plate 22 is arranged on the lower end of the knife switch 10, and each incoming end connector and each outgoing end connector of the knife switch 10 corresponds to one viewing glass window 2 on the cover plate.
Below the sixth cover plate 22, a rear cabinet busbar 23 is fixed in the low-voltage cabinet 8 by a second busbar mounting beam 24, and the rear cabinet busbar 23 is also disposed inside the second busbar mounting beam 24.
A second molded case circuit breaker mounting plate 25 is arranged below the rear bus bar 23, a 2-way 400A molded case circuit breaker 26 is mounted on the second molded case circuit breaker mounting plate 25, a seventh cover plate 27 and an eighth cover plate 28 are respectively mounted at the upper end and the lower end of the 400A molded case circuit breaker 26, and each inlet terminal connector and each outlet terminal connector of the 400A molded case circuit breaker 26 correspond to one inspection glass window 2 on the cover plate.
Similarly, the rear cabinet bus bar 23 of the present embodiment is also connected to the outlet terminal of the knife switch 10 and the inlet terminal of the 400A molded case circuit breaker 26 through the copper bar 19.
According to the embodiment, the cover plate with the observation window and the high-safety low-voltage cabinet applying the cover plate are provided. In the embodiment, the cover plate is utilized to cover the inlet end and the outlet end of the molded case circuit breaker and the knife switch in the low-voltage cabinet, so that the effect of safety protection can be achieved; and the condition of the wire inlet end and the wire outlet end can be observed by the observation glass window arranged on the cover plate, the combination of the cover plate and the observation glass window is utilized to realize safety protection, meanwhile, the observation is convenient, and the environment is protected, and the cost is low.
The embodiment of the utility model also provides a cover plate installation method for install above-mentioned cover plate in above-mentioned high safe type low-voltage cabinet, the method includes;
(1) and determining the number, the size and the mounting positions of the molded case circuit breakers and the knife switches in the low-voltage cabinet according to an electrical drawing.
(2) According to the quantity, the size and the installation position of the determined molded case circuit breaker and the knife switch, the size of the molded case circuit breaker wire inlet and outlet cover plate and the size of the knife switch wire inlet and outlet cover plate are determined, and meanwhile, the opening position and the size of the window hole are determined, so that an observer can observe the conditions of the molded case circuit breaker and the knife switch wire inlet and outlet wiring terminal from different angles.
(3) And determining the size of the cover plate bracket and the number and the positions of the holes according to the sizes of the wire inlet and outlet cover plate of the molded case circuit breaker and the wire inlet and outlet cover plate of the knife switch.
(4) The cover plates are correspondingly arranged at the wire inlet and outlet ends of the molded case circuit breaker and the knife switch through the cover plate bracket respectively, so that the cover plates cover the wire inlet and outlet ends of the molded case circuit breaker and the knife switch.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and if it is replaced, the present invention is only combined with and described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (9)
1. The utility model provides a cover plate of area inspection window which characterized in that: the low-voltage cabinet is characterized in that a viewing window hole is formed in the cover plate, a viewing glass window is embedded in the viewing window hole, the cover plate is fixedly mounted on a side cross beam of the low-voltage cabinet through a cover plate bracket, and the viewing area of the viewing glass window corresponds to the wire inlet and outlet area of the molded case circuit breaker and the knife switch.
2. The cover plate with a viewing window according to claim 1, wherein: the cover plate is provided with a plurality of observation window holes, the observation window holes are uniformly distributed on the cover plate, and different observation window holes correspond to different wire inlet and outlet areas of the molded case circuit breaker and the knife switch.
3. The cover plate with a viewing window according to claim 1, wherein: the cover plate support comprises a first support and a second support, fixing holes are formed in the first support and the second support, the first support is movably connected with the cover plate through the fixing holes, and the second support is movably connected with the side cross beam of the low-voltage cabinet through the fixing holes.
4. The cover plate with a viewing window according to claim 3, wherein: the first support and the second support are fixedly connected or integrally formed through welding.
5. The cover plate with a viewing window according to claim 1, wherein: still be provided with the warning sign tablet on the cover plate, warning sign tablet and cover plate fixed connection.
6. The utility model provides a high safe type low-voltage cabinet, moulded case circuit breaker, cabinet front knife switch and cabinet back knife switch behind moulded case circuit breaker, the cabinet front guard and the cabinet back moulded case circuit breaker are fixed in the low-voltage cabinet through first circuit breaker mounting panel and second circuit breaker mounting panel respectively, cabinet front guard and cabinet back knife switch are fixed in through first sword switch mounting roof beam and second sword switch mounting roof beam respectively in the low-voltage cabinet, its characterized in that: the low-voltage cabinet further comprises a plurality of cover plates with observation windows according to any one of claims 1 to 5, wherein the cover plates with the observation windows are respectively fixed at the wire inlet end and the wire outlet end of the front plastic shell circuit breaker, the cover plates with the observation windows are respectively fixed at the wire inlet end and the wire outlet end of the rear plastic shell circuit breaker, the cover plates with the observation windows are respectively fixed at the wire inlet end and the wire outlet end of the front knife switch, and the cover plates with the observation windows are respectively fixed at the wire inlet end and the wire outlet end of the rear knife switch.
7. The high safety type low-voltage cabinet according to claim 6, wherein: the low-voltage cabinet comprises a cabinet front busbar and a cabinet rear busbar, wherein the cabinet front busbar and the cabinet rear busbar are fixed in the low-voltage cabinet through a first busbar mounting beam and a second busbar mounting beam respectively.
8. The high safety type low-voltage cabinet according to claim 7, wherein: the front busbar of the cabinet is arranged on the inner side of the first busbar mounting beam, and the rear busbar of the cabinet is arranged on the inner side of the second busbar mounting beam.
9. The high safety type low-voltage cabinet according to claim 7, wherein: the busbar is connected with the front knife switch and the front molded case circuit breaker of the cabinet through copper bars, and the rear busbar is connected with the rear knife switch and the rear molded case circuit breaker of the cabinet through copper bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922157998.7U CN210744494U (en) | 2019-12-05 | 2019-12-05 | Cover plate with inspection window and high-safety low-voltage cabinet using cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922157998.7U CN210744494U (en) | 2019-12-05 | 2019-12-05 | Cover plate with inspection window and high-safety low-voltage cabinet using cover plate |
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| Publication Number | Publication Date |
|---|---|
| CN210744494U true CN210744494U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922157998.7U Active CN210744494U (en) | 2019-12-05 | 2019-12-05 | Cover plate with inspection window and high-safety low-voltage cabinet using cover plate |
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| CN (1) | CN210744494U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829215A (en) * | 2019-12-05 | 2020-02-21 | 山东泰开成套电器有限公司 | Cover plate with inspection window, high-safety low-voltage cabinet and cover plate installation method |
-
2019
- 2019-12-05 CN CN201922157998.7U patent/CN210744494U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829215A (en) * | 2019-12-05 | 2020-02-21 | 山东泰开成套电器有限公司 | Cover plate with inspection window, high-safety low-voltage cabinet and cover plate installation method |
| CN110829215B (en) * | 2019-12-05 | 2024-02-02 | 山东泰开成套电器有限公司 | Cover plate with inspection window, high-safety low-voltage cabinet and cover plate mounting method |
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