CN217360153U

CN217360153U - Insulation monitoring and detecting equipment of metal-enclosed switchgear

Info

Publication number: CN217360153U
Application number: CN202221851470.5U
Authority: CN
Inventors: 张伟华
Original assignee: ZHUHAI YINGYUAN ELECTRIC CO Ltd
Current assignee: ZHUHAI YINGYUAN ELECTRIC CO Ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-09-02
Anticipated expiration: 2032-07-19

Abstract

The utility model provides an insulation monitoring and detecting device of metal enclosed switchgear, which comprises a cabinet body, the inner wall of the cabinet body is fixed with an annular support frame, the annular support frame is provided with an annular chute along the direction of the frame body, the annular chute is provided with a driving mechanism, the driving mechanism comprises a sliding frame arranged in the annular chute, a detecting unit is arranged at the outer end of the sliding frame, the middle part of the sliding frame is provided with a motor, the output end of the motor passes through an elastic slider and is provided with a walking gear, the inner side of the annular chute is provided with an annular rack along the direction of the notch, and the walking gear is meshed with the annular rack; the utility model discloses a drive assembly on the ring carrier makes detecting element can follow ring carrier support body direction and be cyclic motion, can progressively detect the internal distribution equipment of cabinet with the full coverage, has reduced figure and requirement to the check point setting to reduce the cost that detects, improved the device's practicality.

Description

Insulation monitoring and detecting equipment of metal-enclosed switchgear

Technical Field

The utility model relates to a check out test set technical field, concretely relates to metal enclosed switchgear's insulating check out test set of keeping watch on.

Background

The metal enclosed switchgear (switch cabinet for short) is a complete set of electric appliances composed of primary elements such as a main switch (such as a circuit breaker), an isolating switch (or an isolating contact), a mutual inductor, a lightning arrester, a bus and the like, and a control measurement and protection device, which are enclosed in a grounded metal shell; when the switch cabinet is used, common faults are partial insulation discharge, and the inert gas in the switch cabinet can be expanded due to the long-time discharge of power distribution equipment in the switch cabinet, so that the switch cabinet is burst and serious safety accidents occur.

At present, for the security that improves the cubical switchboard, need add in the cubical switchboard and establish the insulation discharge detection module, but this type of detection module is fixed a certain department in the cubical switchboard mostly, need set up a plurality of check points, and the detection cost of increase has reduced the practicality.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

To the above-mentioned shortcoming that prior art exists, the utility model provides a metal enclosed switchgear's insulating monitoring check out test set can solve in the prior art metal enclosed switchgear effectively that detection module fixes a certain department in the cubical switchboard mostly, need set up a plurality of check points, and the detection cost of increase has reduced the problem of practicality.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides an insulation monitoring and detecting device of metal-enclosed switchgear, which comprises a cabinet body, wherein a detecting unit is movably arranged in the cabinet body, an annular supporting frame is fixed on the inner wall of the cabinet body, an annular chute along the direction of the frame body is arranged on the annular supporting frame, the annular chute is provided with a driving mechanism, and the detecting unit is arranged on the driving mechanism and does a circulating motion along the annular chute; actuating mechanism is including setting up the balladeur train in annular spout, detecting element sets up the outer end at the balladeur train, the mid-mounting of balladeur train has the motor, the inner of balladeur train is equipped with a plurality of elastic sliding blocks with annular spout looks adaptation, the output of motor is through elastic sliding block and install the walking gear, the inboard of annular spout is equipped with the annular rack along its notch direction, the walking gear meshes with the annular rack mutually.

Further, the ring support frame includes the mounting panel, one side of mounting panel is provided with first annular strip and second annular strip from inside to outside equidistance, distance between first annular strip and the second annular strip forms annular spout, the guide way has all been seted up along its condition direction in the both sides of first annular strip and second annular strip.

Further, the sliding frame comprises a positioning plate, the motor is installed on the positioning plate, a T-shaped block is arranged in the middle of the inner side of the positioning plate, arch blocks are arranged on two sides of the positioning plate, and the inner ends of the T-shaped block and the inner ends of the arch blocks are arranged in corresponding guide grooves.

Furthermore, the number of the elastic sliding blocks is four, slots are formed in opposite ends of the T-shaped block and the arch-shaped block, and the elastic sliding blocks are arranged in the slots.

Further, the elastic sliding block comprises a sliding block, the inner end of the sliding block is connected with the inserting groove in a penetrating mode, a group of elastic pieces are arranged between the inner end of the inserting groove and the inner wall of the inserting groove, and a group of balls are movably arranged at the outer end of the sliding block.

Further, still including setting up the seat of rotating at the locating plate middle part, the output that rotates the seat is equipped with the power module for the independent power supply of motor and detecting element, through the electric wire electricity between power module and motor and the detecting element.

Further, the both ends of rotating the seat all are equipped with pressure switch, pressure switch fixes on the mounting panel, is close to the bow-shaped piece tip of rotating the seat is equipped with the feeler lever corresponding with pressure switch, detecting element is through when rotating the seat, and the feeler lever starts pressure switch, makes to rotate seat control power module and rotates the half-turn for electric wire that links between power module and motor and the detecting element is towards detecting element.

Advantageous effects

The utility model provides a technical scheme compares with known public technique, has following beneficial effect:

the utility model discloses a set up the ring carrier in the cabinet body, set up the detecting element activity on the ring carrier, make detecting element can follow ring carrier support body direction and be cyclic motion through the drive assembly on the ring carrier, can progressively detect the internal distribution equipment of cabinet with the full coverage, reduced figure and the requirement that sets up the check point to reduce the cost that detects, improved the device's practicality.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic structural view of an insulation monitoring and detecting device of a metal enclosed switchgear according to the present invention;

FIG. 2 is a schematic structural view of the ring-shaped supporting frame of the present invention;

FIG. 3 is an enlarged view of the present invention at A in FIG. 2;

fig. 4 is a partial structural schematic diagram of the carriage of the present invention;

fig. 5 is a partial cross-sectional view of the carriage of the present invention;

fig. 6 is a diagram of the motion trace of the detecting unit of the present invention.

The reference numerals in the drawings denote: 1. a cabinet body; 2. a detection unit; 3. an annular support frame; 4. an annular chute; 5. a carriage; 6. a motor; 7. an elastic slider; 8. a traveling gear; 9. an annular rack; 10. mounting a plate; 11. a first annular strip; 12. a second annular strip; 13. a guide groove; 14. positioning a plate; 15. a T-shaped block; 16. a bow-shaped block; 17. inserting slots; 18. a slider; 19. an elastic member; 20. a ball bearing; 21. a rotating seat; 22. a power supply module; 23. a pressure switch; 24. a feeler lever.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described 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 belong to the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

The embodiment is as follows: an insulation monitoring and detecting device of a metal enclosed switchgear, comprising a cabinet body 1 (i.e. the metal enclosed switchgear), wherein the power distribution equipment (not shown in the figure) in the cabinet body 1 is uniformly installed on the inner wall of the cabinet body 1, a detecting unit 2 is movably arranged in the cabinet body 1, the detecting unit 2 faces the power distribution equipment, the detecting unit 2 selected here mainly comprises a gas detector, the inert gas in the switchgear can expand due to the long-time discharge of the power distribution equipment in the cabinet body 1, the local content and mutation rate of the inert gas in the cabinet body 1 can be detected by the gas detector, thereby detecting whether the switchgear has discharge phenomenon and specific discharge position, and sending warning signals to the working personnel, and it needs to be noted that some data collecting, processing and analyzing modules and alarm modules and other technologies related in the detecting unit 2 are the existing mature technologies, the specific structure and working principle of the detecting unit 2 can be known by those skilled in the art by referring to the related technical manuals, and details are not repeated here, and the scheme mainly performs dynamic setting on the detecting unit 2, and specifically introduces the structure of the movement and the movement process thereof below.

Specifically, referring to fig. 1 to 5, a circular support frame 3 is fixed on the inner wall of the cabinet 1, the circular support frame 3 includes a mounting plate 10, the mounting plate 10 is fixed on the inner wall of the cabinet 1 through bolts, a first circular strip 11 and a second circular strip 12 are equidistantly arranged on one side of the mounting plate 10 from inside to outside, a distance between the first circular strip 11 and the second circular strip 12 forms a circular chute 4, a driving mechanism is arranged in the circular chute 4, the detecting unit 2 is driven by the driving mechanism, here, the detecting unit 2 is horizontally arranged and has a length half of the width of the cabinet 1, the detecting unit 2 can circularly move along the circular chute 4 under the driving of the driving mechanism, so as to gradually detect the power distribution equipment in the cabinet 1 in a full coverage manner (as shown in fig. 6), the number and requirements for the detection points are reduced, and the detection cost is reduced, the practicability of the device is improved.

Specifically, referring to fig. 1 to 5, the driving mechanism includes a carriage 5 disposed in an annular sliding groove 4, the detecting unit 2 is disposed at an outer end of the carriage 5, the carriage 5 includes a positioning plate 14, a motor 6 is mounted on the positioning plate 14, a T-shaped block 15 is disposed at a middle portion of an inner side of the positioning plate 14, two sides of the positioning plate 14 are each provided with an arcuate block 16, the positioning plate 14, the T-shaped block 15 and the two arcuate blocks 16 are integrated, two sides of a first annular bar 11 and a second annular bar 12 are each provided with a guide groove 13 along a bar body direction thereof, an inner end of the T-shaped block 15 and an inner end of the arcuate block 16 are disposed in the corresponding guide grooves 13, so as to improve a sliding stability of the carriage 5 along the annular sliding groove 4, an output end of the motor 6 passes through the positioning plate 14 and the T-shaped block 15 and is provided with a traveling gear 8, an inner side of the annular sliding groove 4 is provided with an annular rack 9 along a slot opening direction thereof, (the annular rack 9 is disposed at an inner side of one of the annular bar and is integrally formed with the one of the annular bar), the walking gear 8 meshes with the annular rack 9 mutually, and in the working process, the motor 6 drives the walking gear 8 to rotate, and is fixed because of the annular rack 9, so that the walking gear 8 can move along the direction of the annular rack 9, and then the sliding frame 5 can move along the annular sliding groove 4, so that the detection unit 2 can gradually detect the power distribution equipment in the cabinet body 1.

Specifically, referring to fig. 1 to 5, the inner end of the carriage 5 is provided with a plurality of elastic sliding blocks 7 adapted to the annular sliding groove 4, preferably four elastic sliding blocks 7, the opposite ends of the T-shaped block 15 and the bow-shaped block 16 are both provided with slots 17, the elastic sliding blocks 7 are slidably disposed in the slots 17, specifically, the elastic sliding blocks 7 include sliding blocks 18, the inner ends of the sliding blocks 18 are inserted into the slots 17, and a set of elastic members 19 is provided between the inner end of the slot 17 and the inner wall of the slot 17, as shown in fig. 5, the elastic members 19 are a set of springs horizontally provided between the inner end of the slot 17 and the inner wall of the slot 17, the outer end of the sliding block 18 is movably provided with a set of balls 20, and by the elasticity of the springs and the rolling balls 20, the friction force applied to the sliding frame 5 in the process of moving along the annular sliding chute 4 can be reduced, and the running stability of the detection unit 2 in the detection and monitoring process can be improved.

Specifically, referring to fig. 1-2, in order to enable the detecting unit 2 and the motor 6 to normally move along the annular supporting frame 3, the detecting device further includes a rotating base 21 disposed in the middle of the positioning plate 14, a power supply module 22 for independently supplying power to the motor 6 and the detecting unit 2 is disposed at an output end of the rotating base 21, the power supply module 22 is electrically connected to the motor 6 and the detecting unit 2 through a wire (not shown in the drawings), pressure switches 23 are disposed at both ends of the rotating base 21, the pressure switches 23 are fixed on the mounting plate 10, where the pressure switches 23 control a half rotation of the rotating base 21, i.e., 180 degrees, a contact rod 24 corresponding to the pressure switch 23 is disposed at an end of the arch block 16 close to the rotating base 21, when the detecting unit 2 passes through the rotating base 21, the contact rod 24 touches the pressure switches 23, so that the rotating base 21 controls the power supply module 22 to rotate by a half rotation, and the wire electrically connected between the power supply module 22 and the motor 6 and the detecting unit 2 rotates by a half rotation along with the power supply module 22, the wires on the power supply module 22 can face the detection unit 2 timely along with the movement positions of the detection unit 2 (mainly at the upper half part and the lower half part of the circular support frame 3), so that the wires are prevented from being twisted and affecting use.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The insulation monitoring detection device of the metal enclosed switchgear comprises a cabinet body (1), wherein a detection unit (2) is movably arranged in the cabinet body (1), and is characterized in that an annular support frame (3) is fixed on the inner wall of the cabinet body (1), an annular chute (4) along the direction of a frame body of the annular support frame (3) is arranged on the annular support frame (3), a driving mechanism is arranged on the annular chute (4), and the detection unit (2) is arranged on the driving mechanism and moves circularly along the annular chute (4);

actuating mechanism is including setting up balladeur train (5) in annular spout (4), detecting element (2) set up the outer end at balladeur train (5), the mid-mounting of balladeur train (5) has motor (6), the inner of balladeur train (5) is equipped with a plurality of elastic sliding blocks (7) with annular spout (4) looks adaptation, the output of motor (6) is through elastic sliding blocks (7) and install walking gear (8), the inboard of annular spout (4) is equipped with annular rack (9) along its notch direction, walking gear (8) and annular rack (9) mesh mutually.

2. The insulation monitoring and detecting device of the metal-enclosed switchgear equipment according to claim 1, wherein the annular supporting frame (3) comprises a mounting plate (10), one side of the mounting plate (10) is provided with a first annular strip (11) and a second annular strip (12) from inside to outside at equal intervals, the distance between the first annular strip (11) and the second annular strip (12) forms an annular sliding groove (4), and both sides of the first annular strip (11) and the second annular strip (12) are provided with guide grooves (13) along the strip body direction.

3. The insulation monitoring and detecting device of the metal enclosed switchgear according to claim 2, wherein the carriage (5) comprises a positioning plate (14), the motor (6) is mounted on the positioning plate (14), a T-shaped block (15) is arranged in the middle of the inner side of the positioning plate (14), two sides of the positioning plate (14) are provided with bow-shaped blocks (16), and the inner ends of the T-shaped block (15) and the bow-shaped blocks (16) are arranged in the corresponding guide grooves (13).

4. The insulation monitoring and detecting device of the metal enclosed switchgear as claimed in claim 3, wherein said elastic sliding block (7) is provided with four, the opposite ends of said T-shaped block (15) and said arched block (16) are provided with slots (17), and said elastic sliding block (7) is arranged in said slots (17).

5. The insulation monitoring and detecting device of the metal-enclosed switchgear as claimed in claim 4, wherein the elastic sliding block (7) comprises a sliding block (18), the inner end of the sliding block (18) is connected with the slot (17) in an inserting manner, a set of elastic members (19) is arranged between the inner end of the slot (17) and the inner wall of the slot (17), and a set of balls (20) is movably arranged at the outer end of the sliding block (18).

6. The insulation monitoring and detecting device of the metal enclosed switchgear is characterized by further comprising a rotating seat (21) arranged in the middle of the positioning plate (14), wherein a power supply module (22) for independently supplying power to the motor (6) and the detecting unit (2) is arranged at the output end of the rotating seat (21), and the power supply module (22) is electrically connected with the motor (6) and the detecting unit (2) through wires.

7. The insulation monitoring detection device of the metal-enclosed switchgear as claimed in claim 6, wherein the two ends of the rotating base (21) are provided with pressure switches (23), the pressure switches (23) are fixed on the mounting plate (10), the end of the bow-shaped block (16) close to the rotating base (21) is provided with a contact rod (24) corresponding to the pressure switches (23), when the detection unit (2) passes through the rotating base (21), the contact rod (24) starts the pressure switches (23), so that the rotating base (21) controls the power supply module (22) to rotate for a half circle, and the electric wires electrically connected between the power supply module (22) and the motor (6) and the detection unit (2) face the detection unit (2).