CN216133093U - Overhauling device for power distribution cabinet - Google Patents

Overhauling device for power distribution cabinet Download PDF

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Publication number
CN216133093U
CN216133093U CN202120920968.1U CN202120920968U CN216133093U CN 216133093 U CN216133093 U CN 216133093U CN 202120920968 U CN202120920968 U CN 202120920968U CN 216133093 U CN216133093 U CN 216133093U
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China
Prior art keywords
power distribution
distribution cabinet
cable
limiting
wire
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CN202120920968.1U
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Chinese (zh)
Inventor
赖文
范杰
樊晓雷
许春军
刘辉
窦雪生
王文钊
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China Nuclear Engineering Consulting Co Ltd
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China Nuclear Engineering Consulting Co Ltd
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Abstract

The utility model provides an overhauling device for a power distribution cabinet, which comprises a shell, an induction component, a limiting component and a reminding component, wherein the induction component is arranged on the shell; the induction assembly is detachably connected to a cable of the power distribution cabinet, and the limiting piece is used for limiting the cable in the accommodating space; the reminding component is electrically connected with the current transformer and used for sending reminding prompts. In the maintenance device for switch board of this embodiment, through setting up with response subassembly matched with locating part, can fix the cable to guarantee current transformer's response precision, when the mistake power transmission appears in the switch board, remind the subassembly and can send and remind the suggestion, thereby remind the operation personnel, with the security of guaranteeing to overhaul the operation, excellent in use effect.

Description

Overhauling device for power distribution cabinet
Technical Field
The utility model relates to the technical field of power distribution cabinets, in particular to an overhauling device for a power distribution cabinet.
Background
The switch board is the final stage equipment among the distribution system, and its mainly used holds a large amount of low-voltage electrical equipment, in order to guarantee electrical equipment's normal operating, needs to arrange the operation personnel and regularly overhauls the operation to the switch board. At the maintenance in-process of switch board, the operation personnel adopt the work order form to maintain the operation usually, because electrical system's particularity, the risk of maintenance in-process has characteristics such as invisibility, disguise, danger great usually, is difficult to prevent the emergence of electric shock accident in daily maintenance operation, and personnel's operation security can't obtain effective assurance.
When overhauing the switch board, the operation personnel need carry out the outage operation to the switch board, but discovery in actual operation, when the switch board took place the mistake power transmission, because the electric current is invisible, so the operation personnel can't effectively be reminded, very easily causes the incident, and the operation security is lower.
Therefore, it is necessary to design a new type of detection device to change the current situation.
SUMMERY OF THE UTILITY MODEL
The utility model provides an overhauling device for a power distribution cabinet, which is used for solving the problem that in the traditional overhauling operation of the power distribution cabinet, when power is transmitted by mistake, an operator cannot be effectively reminded, so that the operation safety is affected.
The utility model provides an overhauling device for a power distribution cabinet, which comprises:
a housing;
the induction assembly is detachably connected to the cable of the power distribution cabinet; the induction assembly comprises a first clamping piece, a second clamping piece and a current transformer, the first clamping piece is movably connected to the second clamping piece and used for enclosing with the second clamping piece to form an accommodating space for accommodating a cable of the power distribution cabinet, and the second clamping piece is connected to the shell; the current transformer is electrically connected with the first clamping piece and the second clamping piece and is used for inducing current passing through the cable;
the limiting part is connected to the induction assembly and at least partially accommodated in the accommodating space, and the limiting part is used for limiting the cable in the accommodating space; and
and the reminding assembly is electrically connected with the current transformer and used for sending reminding prompts.
According to one embodiment of the utility model, the reminding assembly comprises a reminding piece and a protection circuit, the protection circuit is electrically connected with the reminding piece and the current transformer respectively, and the reminding piece is used for sounding and/or emitting light.
According to an embodiment of the utility model, the service device further comprises a grounding wire detachably connected to the housing, the grounding wire is used for connecting the cable, and the other end of the grounding wire is grounded.
According to one embodiment of the present invention, the ground wire includes a first connecting clip, a second connecting clip, and a connecting wire electrically connected to the first connecting clip and the second connecting clip, respectively, the first connecting clip being detachably connected to the cable, the second connecting clip being used for grounding;
first mounting groove, second mounting groove and wire casing have been seted up to the casing, the wire casing communicate respectively in first mounting groove with the second mounting groove, first mounting groove is used for holding first connecting clamp, the second mounting groove is used for holding the second connecting clamp, the wire casing is used for holding connecting wire.
According to one embodiment of the utility model, the wire groove is helically arranged along the housing.
According to one embodiment of the utility model, the first mounting groove and the second mounting groove are arranged along the axial direction of the shell, and the first mounting groove is positioned in the shell; the orthographic projection of the first connecting clip on the second connecting clip is positioned in the second connecting clip.
According to an embodiment of the present invention, the limiting members at least include a first limiting member and a second limiting member, one end of the first limiting member is connected to the second clamping member, and the other end of the first limiting member is connected to the first clamping member; the opposite ends of the second limiting part are respectively connected to the second limiting part, and the first limiting part and the second limiting part are used for abutting against the outer walls of the opposite two sides of the cable.
According to one embodiment of the utility model, the stopper is a flexible member.
According to an embodiment of the present invention, the sensing assembly further includes a handle connected to the first clamping member and a reset member respectively connected to the first clamping member and the housing for driving the first clamping member to move toward the second clamping member.
According to an embodiment of the present invention, the housing defines a first positioning slot, the handle defines a second positioning slot opposite to the first positioning slot, and two opposite ends of the reset member are respectively at least partially received in the first positioning slot and the second positioning slot.
The embodiment of the utility model has the following beneficial effects:
when the maintenance device of the embodiment is used for maintenance operation of the power distribution cabinet, the first clamping piece and the second clamping piece are firstly separated, the cable of the power distribution cabinet is placed into the accommodating space between the first clamping piece and the second clamping piece, then the first clamping piece and the second clamping piece are closed, the limiting piece can fix the cable in the accommodating space, so that relative movement between the cable and the maintenance device in a large range is avoided, the current transformer can sense the current passing through the cable, and the influence on the sensing precision of the current transformer due to shaking of the cable can be avoided through the limiting action of the limiting piece;
when the condition of mistaken power transmission occurs, the reminding assembly can send out a reminding prompt to an operator by receiving a current signal of the current transformer.
In the maintenance device for switch board of this embodiment, through setting up with response subassembly matched with locating part, can fix the cable to guarantee current transformer's response precision, when the mistake power transmission appears in the switch board, remind the subassembly and can send and remind the suggestion, thereby remind the operation personnel, with the security of guaranteeing to overhaul the operation, excellent in use effect.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Wherein:
FIG. 1 is a schematic view of an embodiment of the present invention showing the service device in use;
FIG. 2 is an isometric view of an access device in an embodiment of the utility model;
FIG. 3 is an enlarged partial cross-sectional view of an access device in an embodiment of the utility model;
FIG. 4 is an exploded view of a service device in an embodiment of the utility model;
fig. 5 is a schematic view of a state in which a first clamp and a second clamp are separated in the service apparatus of the embodiment of the present invention;
in the figure:
10. overhauling the device;
100. a housing; 110. a wire slot; 120. a first mounting groove; 130. a second mounting groove; 140. a first positioning groove;
200. an inductive component; 201. an accommodating space; 210. a first clamping member; 211. a plug-in part; 220. a second clamping member; 221. inserting grooves; 230. a current transformer; 231. a first connection end; 232. a second connection end; 240. a handle; 241. a second positioning groove; 250. a reset member;
300. a limiting member; 310. a first limit piece; 320. a second limiting member;
400. a ground line; 410. a first connecting clip; 420. a second connecting clip; 430. connecting a lead;
500. a reminder component; 510. a reminder; 520. a protection circuit; 521. a main resistor; 522. a current limiting resistor; 530. a first conductive line; 540. a second conductive line;
20. a cable; 30. a power distribution cabinet; 40. a circuit breaker.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and fig. 2, an embodiment of the present invention provides an overhaul apparatus 10 for overhaul operations of a power distribution cabinet 30, specifically, the overhaul apparatus 10 includes a housing 100, an induction component 200, a limiting component 300, and a reminder component 500; the induction assembly 200 is detachably connected to the cable 20 of the power distribution cabinet 30; the induction assembly 200 comprises a first clamping member 210, a second clamping member 220 and a current transformer 230, wherein the first clamping member 210 is movably connected to the second clamping member 220 and used for enclosing with the second clamping member 220 to form an accommodating space 201 for accommodating the cable 20 of the power distribution cabinet 30, and the second clamping member 220 is connected to the housing 100; the current transformer 230 is electrically connected to the first and second holders 210 and 220, and senses a current passing through the cable 20; the limiting member 300 is connected to the sensing assembly 200 and at least partially accommodated in the accommodating space 201, and the limiting member 300 is used for limiting the cable 20 in the accommodating space 201; the reminder assembly 500 is electrically coupled to the current transformer 230 and is configured to issue a reminder alert.
When the maintenance device 10 of the embodiment is used for performing maintenance operation on the power distribution cabinet 30, the first clamping piece 210 and the second clamping piece 220 are firstly separated, the cable 20 of the power distribution cabinet is placed in the accommodating space 201 between the first clamping piece 210 and the second clamping piece 220, then the first clamping piece 210 and the second clamping piece 220 are closed, the limiting piece 300 can fix the cable 20 in the accommodating space 201, so that relative movement between the cable 20 and the maintenance device 10 in a large range is avoided, at the moment, the current transformer 230 can induce current passing through the cable 20, and the induction accuracy of the current transformer 230 can be prevented from being influenced by shaking of the cable 20 through the limiting action of the limiting piece 300;
when the power is erroneously transmitted, the reminding assembly 500 can send a prompt to remind the operator by receiving the current signal of the current transformer 230.
In the maintenance device 10 for the power distribution cabinet 30 of the embodiment, the limiting part 300 matched with the sensing component 200 is arranged, so that the cable 20 can be fixed, the sensing precision of the current transformer 230 is guaranteed, when the power distribution cabinet 30 is mistakenly powered on, the reminding component 500 can send out reminding prompts, so that an operator is reminded, the safety of maintenance operation is guaranteed, and the using effect is good.
Specifically, referring to fig. 2 and 5, the position-limiting member 300 at least includes a first position-limiting member 310 and a second position-limiting member 320, one end of the first position-limiting member 310 is connected to the second clamping member 220, and the other end of the first position-limiting member 310 is connected to the first clamping member 210; the two opposite ends of the second limiting member 320 are respectively connected to the second limiting member 320, and the first limiting member 310 and the second limiting member 320 are used for abutting against the outer walls of the two opposite sides of the cable 20.
As shown in fig. 5, when the first clamping member 210 is separated from the second clamping member 220, the first limiting member 310 and the second limiting member 320 are disposed in a staggered manner, and form a limiting space with an opening facing the outside of the accommodating space 201, after the cable 20 enters the accommodating space 201 from the opening of the limiting space, the first clamping member 210 is moved in a reverse direction to close the accommodating space 201, and at this time, the first limiting member 310 and the second limiting member 320 may respectively abut against different portions of the cable 20, so as to fix the cable 20, thereby preventing the induction accuracy of the current transformer 230 from being affected due to the shaking of the cable 20.
In the present embodiment, the limiting member 300 is a flexible member.
Referring to fig. 2 and 5, when the limiting member 300 contacts the cable 20, the first limiting member 310 and the second limiting member 320 may deform to tighten the cable 20 in the accommodating space 201, and the cable 20 may be prevented from being damaged, so that the use effect is good. Specifically, the limiting member 300 may be a rubber member, a silicone member, or the like.
Referring to fig. 5, further, the first clamping member 210 has a plug portion 211, and the second clamping member 220 has a plug slot 221 matching with the plug portion 211.
Specifically, one end of the first limiting member 310 may be connected to the inserting portion 211, the other end of the first limiting member 310 is connected to the inner side of the second clamping member 220, the two opposite ends of the second limiting member 320 are respectively connected to different positions of the inner side of the second clamping member 220, when the first clamping member 210 and the second clamping member 220 are closed, the first limiting member 310 and the second limiting member 320 are staggered and symmetrically arranged, so as to provide a balanced limiting acting force for the cable 20; by providing the mating insertion portion 211 and the insertion groove 221, the first limiting member 310 can be moved toward the other side of the cable 20 abutting against the second limiting member 320 as much as possible to tighten the cable 20.
Further, as shown in fig. 1, 2 and 4, the service device 10 further includes a ground wire 400, the ground wire 400 is detachably connected to the housing 100, the ground wire 400 is used for connecting the cable 20, and the other end of the ground wire 400 is grounded.
Referring to fig. 1 and 4, when the maintenance device 10 of the present embodiment is used, the grounding wire 400 is firstly separated from the housing 100, the grounding wire 400 is connected to the cable 20 of the power distribution cabinet 30, the other end of the grounding wire 400 is grounded, and then the first clamping member 210 and the second clamping member 220 of the maintenance device 10 are correspondingly connected to the cable 20, so that the grounding of the cable 20 can be realized; as shown in fig. 1, in this embodiment, when the power distribution cabinet 30 transmits power by mistake, the circuit breaker 40 of the power distribution cabinet 30 can perform a circuit breaking operation on the cable 20, and in a very short time when current is transmitted in the cable 20, the current transformer 230 can induce current and make the reminding assembly 500 send out a reminding prompt, and through the cooperation of the reminding assembly 500, the grounding wire 400 and the circuit breaker 40, the operation safety of an operator can be ensured, and the use effect is good.
Specifically, referring to fig. 4, the ground wire 400 includes a first connecting clip 410, a second connecting clip 420 and a connecting wire 430, the connecting wire 430 is electrically connected to the first connecting clip 410 and the second connecting clip 420 respectively, the first connecting clip 410 is detachably connected to the cable 20, and the second connecting clip 420 is used for grounding; the housing 100 is provided with a first mounting groove 120, a second mounting groove 130 and a wire groove 110, the wire groove 110 is respectively communicated with the first mounting groove 120 and the second mounting groove 130, the first mounting groove 120 is used for accommodating a first connecting clip 410, the second mounting groove 130 is used for accommodating a second connecting clip 420, and the wire groove 110 is used for accommodating a connecting wire 430.
With this arrangement, when the earth wire 400 is connected to the housing 100, it is possible to make the inspection device 10 as a whole have a more compact structure and facilitate the fixation of the earth wire 400.
Further, referring to fig. 4, the wire groove 110 is spirally arranged along the housing 100.
When the inspection device 10 of the present embodiment is used, the connection wire 430 can be wound around the housing 100 along the spiral wire groove 110, so that the ground wire 400 can be provided with a long connection wire 430 for facilitating the inspection work.
In the present embodiment, the first mounting groove 120 and the second mounting groove 130 are arranged along the axial direction of the housing 100, and the first mounting groove 120 is located in the housing 100; the orthographic projection of the first joining clip 410 on the second joining clip 420 is located within the second joining clip 420.
When the grounding wire 400 of the present embodiment is assembled, the first connecting clip 410 is first placed in the first mounting groove 120 inside the casing 100, the connecting wire 430 is wound in the wire slot 110 on the casing 100, and finally the second connecting clip 420 is inserted into the second mounting groove 130, so that the mounting of the grounding wire 400 on the casing 100 can be completed, and the maintenance device 10 has a compact overall structure and is convenient to carry; because the orthographic projection of the first connecting clip 410 on the second connecting clip 420 is positioned in the second connecting clip 420, the first mounting groove 120 and the second mounting groove 130 can be coaxially arranged, and the first mounting groove 120 and the second mounting groove 130 can be axially arranged along the shell 100 by adjusting the sizes of the first mounting groove 120 and the second mounting groove 130, so that the inner space of the shell 100 is utilized to improve the portability of the overhauling device 10, the structure is simple, and the using effect is good.
Referring to fig. 2 and 3, the sensing assembly 200 further includes a handle 240 and a reset member 250, the handle 240 is connected to the first clamping member 210, and the reset member 250 is respectively connected to the first clamping member 210 and the housing 100 and is used for driving the first clamping member 210 to move toward the second clamping member 220. Specifically, the reset member 250 may be a coil spring, a spring plate, a rubber column, or other elastic elements, which are not limited herein.
Specifically, referring to fig. 3, the housing 100 defines a first positioning slot 140, the handle 240 defines a second positioning slot 241 opposite to the first positioning slot 140, and two opposite ends of the reset element 250 are respectively at least partially received in the first positioning slot 140 and the second positioning slot 241.
In this embodiment, when first holder 210 and second holder 220 were closed, first constant head tank 140 and second constant head tank 241 were coaxial state, reset piece 250 this moment and are in the original length state to can fix a position through first constant head tank 140 and second constant head tank 241, compact structure also can avoid simultaneously that reset piece 250 receives and collides with, excellent in use effect.
Referring specifically to fig. 1, the reminder assembly 500 includes a reminder 510 and a protection circuit 520, the protection circuit 520 is electrically connected to the reminder 510 and the current transformer 230, respectively, and the reminder 510 is configured to sound and/or illuminate.
In this embodiment, the protection circuit 520 includes a main resistor 521 and a current limiting resistor 522, the reminder assembly 500 includes a first wire 530 and a second wire 540, the current transformer 230 has a first connection end 231 and a second connection end 232, the first wire 530 is connected to the reminder 510 and the first connection end 231, the second wire 540 is connected to the other end of the reminder 510 and the second connection end 232, the main resistor 521 is connected between the first wire 530 and the second wire 540 and connected in parallel with the reminder 510, and the current limiting resistor 522 is disposed on the first wire 530 and located between the main resistor 521 and the current limiting resistor 522. In other embodiments, the protection circuit 520 may also be configured with corresponding basic electronic components according to actual requirements, and the layout of the protection circuit 520 is not limited herein.
Specifically, in the present embodiment, the reminding member 510 is a light emitting diode to provide a light-emitting warning, in other embodiments, the reminding member 510 may also be a bell to provide a sound reminding, or a combination of the two, and provide both a sound and a light reminding.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. An overhaul device for a power distribution cabinet, comprising:
a housing;
the induction assembly is detachably connected to the cable of the power distribution cabinet; the induction assembly comprises a first clamping piece, a second clamping piece and a current transformer, the first clamping piece is movably connected to the second clamping piece and used for enclosing with the second clamping piece to form an accommodating space for accommodating a cable of the power distribution cabinet, and the second clamping piece is connected to the shell; the current transformer is electrically connected with the first clamping piece and the second clamping piece and is used for inducing current passing through the cable;
the limiting part is connected to the induction assembly and at least partially accommodated in the accommodating space, and the limiting part is used for limiting the cable in the accommodating space; and
and the reminding assembly is electrically connected with the current transformer and used for sending reminding prompts.
2. The overhaul device for a power distribution cabinet according to claim 1, wherein the reminding assembly comprises a reminding piece and a protection circuit, the protection circuit is electrically connected to the reminding piece and the current transformer respectively, and the reminding piece is used for sounding and/or emitting light.
3. The maintenance device for the power distribution cabinet according to claim 1, further comprising a grounding wire detachably connected to the housing, wherein the grounding wire is used for connecting the cable, and the other end of the grounding wire is grounded.
4. The overhaul device for a power distribution cabinet according to claim 3, wherein the ground wire comprises a first connecting clip, a second connecting clip and a connecting wire, the connecting wire is electrically connected to the first connecting clip and the second connecting clip respectively, the first connecting clip is detachably connected to the cable, and the second connecting clip is used for grounding;
first mounting groove, second mounting groove and wire casing have been seted up to the casing, the wire casing communicate respectively in first mounting groove with the second mounting groove, first mounting groove is used for holding first connecting clamp, the second mounting groove is used for holding the second connecting clamp, the wire casing is used for holding connecting wire.
5. The service device for the power distribution cabinet according to claim 4, wherein the wire groove is spirally arranged along the housing.
6. The overhaul device for a power distribution cabinet according to claim 4, wherein the first mounting groove and the second mounting groove are arranged along the axial direction of the shell, and the first mounting groove is located in the shell; the orthographic projection of the first connecting clip on the second connecting clip is positioned in the second connecting clip.
7. The overhaul device for a power distribution cabinet according to claim 1, wherein the limiting member at least comprises a first limiting member and a second limiting member, one end of the first limiting member is connected to the second clamping member, and the other end of the first limiting member is connected to the first clamping member; the opposite ends of the second limiting part are respectively connected to the second limiting part, and the first limiting part and the second limiting part are used for abutting against the outer walls of the opposite two sides of the cable.
8. The service device for the power distribution cabinet according to claim 1 or 7, wherein the limiting member is a flexible member.
9. The servicing device for distribution cabinets of claim 1, characterized in that said induction assembly further comprises a handle and a reset member, said handle being connected to said first clamping member, said reset member being connected to said first clamping member and said housing, respectively, and being configured to actuate said first clamping member towards said second clamping member.
10. The maintenance device for the power distribution cabinet according to claim 9, wherein the housing defines a first positioning groove, the handle defines a second positioning groove opposite to the first positioning groove, and opposite ends of the reset member are respectively at least partially received in the first positioning groove and the second positioning groove.
CN202120920968.1U 2021-04-29 2021-04-29 Overhauling device for power distribution cabinet Active CN216133093U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120920968.1U CN216133093U (en) 2021-04-29 2021-04-29 Overhauling device for power distribution cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120920968.1U CN216133093U (en) 2021-04-29 2021-04-29 Overhauling device for power distribution cabinet

Publications (1)

Publication Number Publication Date
CN216133093U true CN216133093U (en) 2022-03-25

Family

ID=80765449

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120920968.1U Active CN216133093U (en) 2021-04-29 2021-04-29 Overhauling device for power distribution cabinet

Country Status (1)

Country Link
CN (1) CN216133093U (en)

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