CN209981876U

CN209981876U - Electric power cabinet

Info

Publication number: CN209981876U
Application number: CN201920770108.7U
Authority: CN
Inventors: 樊帆; 冯敬裕; 钟炜锋
Original assignee: Zhuhai Unitech Power Technology Co Ltd
Current assignee: Zhuhai Unitech Power Technology Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-01-21
Anticipated expiration: 2029-05-24

Abstract

The utility model provides an electric power cabinet, include: a cabinet body; the driving shaft is in driving connection with the disconnecting link, can be rotatably arranged in the cabinet body and can drive the disconnecting link to rotate so as to enable the disconnecting link to be switched between a first position and a second position; the indicating assembly is movably connected with the cabinet body and is provided with an indicating position extending out of the cabinet body and a retracting position retracting into the cabinet body; and the transmission mechanism is connected with the driving shaft and the indicating assembly, and the driving shaft drives the indicating assembly to switch between the indicating position and the withdrawing position through the transmission mechanism. The utility model provides an among the prior art ground connection cabinet electrified state show insecure problem.

Description

Electric power cabinet

Technical Field

The utility model relates to an electric power system technical field particularly, relates to an electric power cabinet.

Background

At present, the electricity testing state of a grounding cabinet in rail transit is displayed mainly by an LED screen (displaying electricity or no electricity). The display process of the LED screen mainly comprises the steps that a contact switch (magnetic blow switch) is touched through a movement mechanism of the disconnecting link, the mechanical action of the disconnecting link of the grounding cabinet is converted into an electric signal through the contact switch, and the electric signal is transmitted to the LED display screen. When the grounding knife switch is switched on, the state of no electricity is displayed. When the grounding knife switch is opened, the power state is displayed. However, if a signal transmission failure occurs in the magnetic blow switch or the display screen during this process, the display screen may erroneously display the charged or non-charged state. Once the problem occurs, certain potential safety hazard exists for the maintainers.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide an electric power cabinet adopts mechanical motion's mode to ground connection cabinet electrified state shows insecure problem among the solution prior art.

In order to achieve the above object, the utility model provides an electric power cabinet, include: a cabinet body; the driving shaft is in driving connection with the disconnecting link, can be rotatably arranged in the cabinet body and can drive the disconnecting link to rotate so as to enable the disconnecting link to be switched between a first position and a second position; the indicating assembly is movably connected with the cabinet body and is provided with an indicating position extending out of the cabinet body and a retracting position retracting into the cabinet body; and the transmission mechanism is connected with the driving shaft and the indicating assembly, and the driving shaft drives the indicating assembly to switch between the indicating position and the withdrawing position through the transmission mechanism.

Further, the transmission mechanism is a connecting rod transmission mechanism.

Further, the transmission mechanism includes: the first connecting rod is in driving connection with the driving shaft; one end of the second connecting rod is rotatably connected with the first connecting rod, and the other end of the second connecting rod is rotatably connected with the indicating assembly.

Furthermore, the transmission mechanism further comprises a connecting sleeve, two ends of the connecting sleeve are respectively in driving connection with the driving shaft and the first connecting rod, and the driving shaft drives the first connecting rod to synchronously rotate through the connecting sleeve.

Further, the transmission mechanism further comprises a sealing cover, the sealing cover is connected with the cabinet body and is provided with a through hole for the connecting sleeve to penetrate through.

Further, the cabinet includes: a housing; the driving shaft is arranged on the mounting plate, the mounting plate is arranged in the shell, and at least one part of the transmission mechanism extends out of the shell; the back plate is positioned outside the shell and connected with the shell, a space is formed between the back plate and the shell, and the indicating assembly can be accommodated in the space.

Furthermore, the back plate is provided with slide ways towards the two sides of the end face of the shell, and at least one part of the indicating assembly is arranged in the slide ways in a sliding mode and slides along the guide direction of the slide ways.

Further, the top end of the compartment is open, and at least a portion of the indicating assembly can extend from the top end of the compartment.

Further, the indication assembly includes: the bracket is connected with the transmission mechanism; and the indicating piece is connected with the bracket and moves synchronously with the bracket.

Further, the electric power cabinet is a grounding cabinet.

Use the technical scheme of the utility model, adopt mechanical transmission's mode control to instruct the subassembly to switch between indicating position and withdrawing the position, the action of instructing the subassembly is through drive shaft control, the drive shaft can drive the switch simultaneously and instruct the subassembly motion, thereby make to form only definite relation between the break-make state of switch and the position of instructing the subassembly, when drive shaft drive switch moves to the primary importance, the driving piece passes through drive mechanism and drives and instruct subassembly synchronous motion, make to instruct the subassembly to move to indicating position or withdrawing the position, thereby state when suggestion relevant personnel electric power cabinet this moment, when drive shaft drive switch moves to the second place, the drive shaft drives through drive mechanism and instructs the subassembly to move to withdrawing the position or instruct the position, thereby state when suggestion relevant personnel electric power cabinet this moment. The setting mode carries out mechanical linkage on the indicating component and the movement of the disconnecting link in a mechanical transmission mode, so that potential safety hazards caused by faults occurring in the magnetic blow switch or the electric signal transmission process are eliminated, and the indicating reliability and accuracy of the indicating component are ensured.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural diagram of the electric power cabinet of the present invention when the indicating assembly is located at the indicating position;

fig. 2 shows a schematic structural view of the power cabinet of the present invention when the indicating assembly is in the retracted position;

FIG. 3 is a schematic diagram of the internal structure of the power cabinet of FIG. 1 with the indicating assembly in the indicating position;

FIG. 4 shows an enlarged view at P in FIG. 3;

FIG. 5 shows a side view of FIG. 4;

FIG. 6 shows an enlarged view at Q of FIG. 5;

FIG. 7 is a schematic diagram showing the internal structure of the power cabinet of FIG. 2 with the indicating assembly in a retracted position;

FIG. 8 is a schematic view of the electrical cabinet of FIG. 1 shown in another orientation with the indicating assembly in the indicating position;

FIG. 9 shows an enlarged view at M in FIG. 8; and

figure 10 shows a schematic view of the power cabinet of figure 2 in another orientation with the indicating assembly in the retracted position.

Wherein the figures include the following reference numerals:

10. a cabinet body; 11. a housing; 12. mounting a plate; 13. a back plate; 131. a slideway; 20. a disconnecting link; 30. a drive shaft; 40. an indicating component; 41. a support; 42. an indicator; 50. a transmission mechanism; 51. a first link; 52. a second link; 53. a connecting sleeve; 54. and (7) sealing the cover.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

In order to solve the unreliable problem of ground connection cabinet electrified state display among the prior art, the utility model provides an electric power cabinet.

An electric cabinet as shown in fig. 1 to 9 comprises a cabinet body 10, a driving shaft 30 in driving connection with a knife switch 20, an indicating assembly 40 and a transmission mechanism 50, wherein the driving shaft 30 is rotatably arranged in the cabinet body 10 and can drive the knife switch 20 to rotate so as to switch the knife switch 20 between a first position and a second position; the indicating assembly 40 is movably connected with the cabinet 10, and the indicating assembly 40 has an indicating position extending out of the cabinet 10 and a retracted position retracting into the cabinet 10; the transmission mechanism 50 is connected with both the driving shaft 30 and the indicating assembly 40, and the driving shaft 30 drives the indicating assembly 40 to switch between the indicating position and the retracting position through the transmission mechanism 50.

In the embodiment, the indication assembly 40 is controlled to switch between the indication position and the retracted position by adopting a mechanical transmission manner, the action of the indication assembly 40 is controlled by the driving shaft 30, the driving shaft 30 can drive the disconnecting link 20 and the indication assembly 40 to move simultaneously, so that a uniquely determined relationship is formed between the on-off state of the disconnecting link 20 and the position of the indication assembly 40, when the driving shaft 30 drives the disconnecting link 20 to move to the first position, the driving member drives the indication assembly 40 to move synchronously by the transmission mechanism 50, so that the indication assembly 40 moves to the indication position or the retracted position, thereby prompting the current state of the power cabinet of a relevant person, and when the driving shaft 30 drives the disconnecting link 20 to move to the second position, the driving shaft 30 drives the indication assembly 40 to move to the retracted position or the indication position by the transmission mechanism 50, thereby prompting the current state of the power cabinet of the. The arrangement mode carries out mechanical linkage on the movement of the indicating component 40 and the disconnecting link 20 in a mechanical transmission mode, so that the potential safety hazard caused by the failure of a magnetic blow switch or an electric signal transmission process is eliminated, and the reliability and the accuracy of the indication of the indicating component 40 are ensured.

In the embodiment, the power cabinet is taken as a grounding cabinet for example, and accordingly, when the disconnecting link 20 is turned on, it is located at the first position, and at this time, the relevant equipment is grounded and is in a non-power state, as shown in fig. 2 and fig. 7; the knife switch 20 is in a second position when open, in which the associated equipment is not grounded, in a charged state, as shown in fig. 1 and 3. Write "have the electricity" word on the instruction subassembly 40 of this embodiment, when the switch 20 was located the second position, instruct subassembly 40 to stretch out the cabinet body 10 and be located the instruction position to indicate relevant personal device electrified, can not overhaul, when switch 20 was located the first position, instruct subassembly 40 to retract cabinet body 10 and be located the position of withdrawing, thereby indicate relevant personal device not electrified, can overhaul. Of course, other characters may be written on the indication component 40 or the indication may be performed by sound, lighting, etc., and accordingly, the matching relationship with the knife switch 20 may be changed according to the content and manner of the indication component 40.

The preferred drive mechanism 50 of this embodiment is a link drive mechanism. The connecting rod transmission mechanism is simple in structure, stable and reliable in transmission, and capable of further guaranteeing accuracy and stability of indication.

Specifically, as shown in fig. 3, the link transmission mechanism includes a first link 51 and a second link 52, the first link 51 being drivingly connected to the drive shaft 30; one end of the second link 52 is rotatably connected to the first link 51, and the other end of the second link 52 is rotatably connected to the indicating assembly 40. When the driving shaft 30 rotates, the driving shaft 30 drives the first connecting rod 51 to synchronously rotate, the first connecting rod 51 drives the second connecting rod 52 to rotate and/or translate, and the second connecting rod 52 drives the indicating assembly 40 to move, so that the position of the indicating assembly 40 is switched.

As shown in fig. 4 to 6, the transmission mechanism 50 further includes a connecting sleeve 53, two ends of the connecting sleeve 53 are respectively connected to the driving shaft 30 and the first link 51 in a driving manner, and the driving shaft 30 drives the first link 51 to rotate synchronously through the connecting sleeve 53. The connecting sleeve 53 is in driving connection with the driving shaft 30 through a screw, a groove is formed in the side wall of the connecting sleeve 53, the groove is communicated with the end face of the connecting sleeve 53 along the axial direction of the connecting sleeve 53, a protrusion extending out in the radial direction is arranged on the circumferential surface of the first connecting rod 51, when the first connecting rod 51 is inserted into the connecting sleeve 53, the protrusion extends into the groove and is abutted against the inner wall of the groove, and therefore the rotating force of the connecting sleeve 53 is transmitted to the first connecting rod 51 through the extrusion of the groove and the protrusion, and the first connecting rod 51 rotates. The shape of the first link 51 may be set according to the condition of the power cabinet, for example, the shape is set to be a straight line shape or a bent shape.

Optionally, the transmission mechanism 50 further includes a sealing cover 54, the sealing cover 54 is connected to the cabinet 10 and has a through hole for the connection sleeve 53 to pass through, and the sealing cover 54 enables the connection sleeve 53 to be reliably connected to the cabinet 10. In addition, a sealing ring and other components can be added to match with the sealing cover 54 to realize the sealing function.

As shown in fig. 3 and 8 to 10, the cabinet 10 includes a housing 11, a mounting plate 12 and a back plate 13, the mounting plate 12 is vertically disposed in the housing 11, the driving shaft 30 is disposed on the mounting plate 12, a connecting sleeve 53 is also disposed on the mounting plate 12 in a penetrating manner, and one end of the transmission mechanism 50 is inserted into the connecting sleeve 53 and then extends to the outside of the housing 11 through the housing 11; the back plate 13 is located outside the housing 11 and connected to the housing 11, the back plate 13 is preferably disposed on a side of the housing 11 away from the cabinet door, a space is formed between the back plate 13 and the housing 11, and the indicating assembly 40 can be accommodated in the space, when the indicating assembly 40 is located at the retracted position, the indicating assembly 40 is accommodated in the space, and when the indicating assembly 40 is located at the indicating position, the indicating assembly 40 extends out of the space to perform an indicating function. The back plate 13 is disposed to hide the indication assembly 40 and protect the indication assembly 40.

In the present embodiment, the back plate 13 has slide ways 131 on both sides facing the end face of the housing 11, and at least a portion of the indicating assembly 40 is slidably disposed in the slide ways 131 and slides along the guiding direction of the slide ways 131. The slide 131 can position and guide the movement of the indicating assembly 40, so that the indicating assembly 40 moves according to a preset mode, and the reliability of the indicating assembly 40 is ensured.

Alternatively, the top end of the compartment is open, and at least a portion of the indicator assembly 40 can extend from the top end of the compartment. Accordingly, the slide 131 is opened in a vertical direction, thereby guiding the up and down movement of the indication assembly 40. Other devices may be provided on both sides of the power cabinet, so that the indication assembly 40 can be set to move up and down, and the idle area on the upper part of the power cabinet is used as the space for the indication assembly 40 to extend out, thereby reducing the occupation of the useful space around the power cabinet by the indication assembly 40. Of course, the direction of movement of the indicating assembly 40 may also be set as desired.

As shown in fig. 3, the indicating assembly 40 includes a bracket 41 and an indicating member 42, the bracket 41 is connected to the top end of the second link 52, the indicating member 42 is connected to the bracket 41 and moves synchronously with the bracket 41, and two ends of the bracket 41 extend into the slide 131 and move up and down along the slide 131, so as to drive the indicating member 42 to extend out or retract into the space between the housing 11 and the back plate 13, thereby achieving the indicating function. The indicator 42 of this embodiment is the sign that has the typeface for write to can avoid the LED display screen to damage and cause the unsafe problem of instruction, guarantee indicating action's reliable and stable.

It should be noted that, a plurality in the above embodiments means at least two.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

1. the problem that the display of the electrified state of the grounding cabinet in the prior art is unreliable is solved;

2. the indicating assembly is mechanically linked with the movement of the disconnecting link in a mechanical transmission mode, so that potential safety hazards caused by faults in the process of transmitting signals by the magnetic blow switch are eliminated;

3. overall structure is simple, and the instruction subassembly is instructed accurately reliably.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric power cabinet, comprising:

a cabinet body (10);

the driving shaft (30) is in driving connection with the disconnecting link (20), the driving shaft (30) is rotatably arranged in the cabinet body (10) and can drive the disconnecting link (20) to rotate so as to switch the disconnecting link (20) between a first position and a second position;

the indicating assembly (40), the indicating assembly (40) is movably connected with the cabinet body (10), and the indicating assembly (40) has an indicating position extending out of the cabinet body (10) and a retracting position retracting into the cabinet body (10);

a transmission mechanism (50), wherein the transmission mechanism (50) is connected with both the driving shaft (30) and the indicating assembly (40), and the driving shaft (30) drives the indicating assembly (40) to switch between the indicating position and the retracting position through the transmission mechanism (50).

2. The electrical cabinet according to claim 1, characterized in that the transmission mechanism (50) is a link transmission mechanism.

3. The electric cabinet according to claim 2, characterized in that the transmission mechanism (50) comprises:

a first link (51), the first link (51) being in driving connection with the drive shaft (30);

a second link (52), one end of the second link (52) is rotatably connected with the first link (51), and the other end of the second link (52) is rotatably connected with the indicating component (40).

4. The electric cabinet according to claim 3, characterized in that the transmission mechanism (50) further comprises a connecting sleeve (53), both ends of the connecting sleeve (53) are respectively in driving connection with the driving shaft (30) and the first connecting rod (51), and the driving shaft (30) drives the first connecting rod (51) to rotate synchronously through the connecting sleeve (53).

5. The electric cabinet according to claim 4, characterized in that the transmission mechanism (50) further comprises a sealing cover (54), the sealing cover (54) is connected with the cabinet body (10) and has a through hole for the connection sleeve (53) to pass through.

6. Electric cabinet according to claim 1, characterized in that said cabinet body (10) comprises:

a housing (11);

a mounting plate (12), the drive shaft (30) being disposed on the mounting plate (12), the mounting plate (12) being disposed within the housing (11), and at least a portion of the transmission mechanism (50) extending out of the housing (11);

a back plate (13), the back plate (13) is located outside the housing (11) and connected with the housing (11), a space is formed between the back plate (13) and the housing (11), and the indicating component (40) can be accommodated in the space.

7. The electric cabinet according to claim 6, characterized in that the back plate (13) has a slide (131) towards both sides of the end face of the housing (11), and at least a part of the indicating assembly (40) is slidably arranged in the slide (131) and slides along the guiding direction of the slide (131).

8. The electrical cabinet according to claim 6, wherein the compartment is open-topped, at least a portion of the indicator assembly (40) being extendable from a top end of the compartment.

9. The electric cabinet according to claim 1, characterized in that the indicating assembly (40) comprises:

a bracket (41), wherein the bracket (41) is connected with the transmission mechanism (50);

an indicator (42), the indicator (42) being connected to the bracket (41) and moving synchronously with the bracket (41).

10. The electrical cabinet according to claim 1, wherein the electrical cabinet is a grounded cabinet.