CN110707553B

CN110707553B - Automatic pressure release high voltage distribution cabinet

Info

Publication number: CN110707553B
Application number: CN201911107363.4A
Authority: CN
Inventors: 赵剑平; 汪传志; 王孝林
Original assignee: ANHUI ZHUOYUE ELECTRIC POWER EQUIPMENT CO LTD
Current assignee: ANHUI ZHUOYUE ELECTRIC POWER EQUIPMENT CO LTD
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-11-10
Anticipated expiration: 2039-11-13
Also published as: CN110707553A

Abstract

The invention discloses an automatic pressure relief high-voltage power distribution cabinet, and relates to the technical field of power distribution cabinets. The cabinet comprises a cabinet body, a cabinet door, a buckling device and a buffering device, wherein the front of the cabinet body is hinged with the cabinet door, the upper surface of the cabinet body is fixedly provided with the buckling device and the buffering device, and the cabinet body comprises a first cover plate, a second cover plate, a movable hole, a fixed plate, an arc-shaped plate, a first latch, a connecting plate and a photoelectric sensor. Through setting up first apron, the second apron, arc and buckle device, high-pressure gas makes second latch and first latch reverse meshing make first apron and the stable upset of second apron, reach the purpose of release high-pressure high-temperature gas, make first apron and second apron steadily fix the surface at the arc through second latch and first latch forward meshing, the condition of avoiding follow-up slow high hot gas to block up appears, the problem of conventional pressure release roof resilience reclosing after overturning easily has been solved, the usability of the device has been increased.

Description

Automatic pressure release high voltage distribution cabinet

Technical Field

The invention relates to the technical field of power distribution cabinets, in particular to an automatic pressure relief high-voltage power distribution cabinet.

Background

High voltage distribution cabinet is used for power system electricity generation, transmission of electricity, distribution, play break-make in electric energy conversion and consumption, effects such as control or protection, the voltage class is at the electrical apparatus product of 3.6kV ~ 550kV, high voltage switch manufacturing is the important component part of power transmission and transformation equipment manufacturing, high voltage distribution cabinet causes a return circuit short-circuit fault to take place because of short circuit, insulating ageing and artificial misoperation in the operation process, can produce high temperature high-pressure gas, can not release in the short time and can cause the switch board to explode and split, so the top of switch board is provided with pressure relief device usually, but current pressure relief device still has following not enoughly:

among the prior art, conventional pressure relief device is mostly a rectangle metal roof, iron screw fixation is used to one side, nylon screw fixation is used to the opposite side, when breaking down in the cabinet, the roof warp and opens, release pressure and exhaust gas, the roof is scrapped after the pressure release, the result of use is unsatisfactory, pressure relief device's mode is hinge on one side of the roof in addition, nylon screw fixation is used to the opposite side, during the pressure release, the roof is opened completely like the door, pressure release channel is big, nevertheless can not destroy the roof, but easy kick-back reclosing after the roof upset, it is difficult to discharge to cause follow-up slow gas, the roof upset that the roof overturns can influence adjacent switch board completely, the result of use is unsatisfactory.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an automatic pressure relief high-voltage power distribution cabinet to solve the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an automatic pressure relief high-voltage power distribution cabinet comprises a cabinet body, cabinet doors, a buckling device and a buffering device, wherein the front face of the cabinet body is hinged with the cabinet doors, the buckling device and the buffering device are fixedly installed on the upper surface of the cabinet body, the cabinet body comprises a first cover plate, a second cover plate, movable holes, fixing plates, arc plates, first clamping teeth, a connecting plate and a photoelectric sensor, the upper surfaces of the first cover plate and the second cover plate are hinged with the upper surface of the cabinet body, the opposite faces of the first cover plate and the second cover plate are in lap joint, the specifications of the first cover plate and the second cover plate are consistent, the movable holes are respectively formed in the first cover plate and the second cover plate, the left side face and the right side face of the inner wall of the cabinet body are respectively and fixedly provided with the fixing plates, the opposite faces of the two fixing plates are respectively and fixedly provided with the arc plates, the opposite faces, one end of the arc-shaped plate, which is far away from the fixed plate, penetrates through the inside of the movable hole and extends to the upper surface of the cabinet body, and the upper surfaces of the first cover plate and the second cover plate are fixedly provided with buckle devices;

the buckle device comprises a buckle box, a movable rod, a second latch, a second spring, a sleeve and a sleeve rod, wherein the movable rod is movably arranged in the buckle box, the second latch is fixedly arranged at one end of the movable rod, the other end of the movable rod penetrates through the inner wall of the buckle box and extends to the outside of the buckle box, the first spring is sleeved on the surface of the movable rod, one end of the first spring is fixedly connected with the inner wall of the buckle box, one end of the first spring, far away from the inner wall of the buckle box, is fixedly connected with the right side face of the first latch, the first latch is matched and opposite to the second latch in specification, the first latch is meshed with the second latch, the sleeve is fixedly arranged at one end, far away from the second latch, of the first latch, the sleeve rod is movably sleeved in the sleeve, one end, far away from the sleeve, of the sleeve rod is fixedly connected with the inner wall of the buckle box, the two opposite sides of the buckle boxes are arc-shaped surfaces.

As a preferred technical scheme of the present invention, a photoelectric sensor is fixedly mounted on an upper surface of the cabinet, a connecting plate is fixedly mounted on an upper surface of the first cover plate, and grooves are formed in opposite surfaces of the first cover plate and the second cover plate.

As a preferred technical scheme of the present invention, a controller is fixedly installed inside the cabinet door, a buzzer is fixedly installed on the front surface of the cabinet door, a handle is installed on the front surface of the cabinet door, an output end of the controller is electrically connected with an input end of the buzzer, and the controller is electrically connected with the photoelectric sensor in a bidirectional manner.

As a preferred technical scheme of the invention, the number of the buffer devices is two, each buffer device comprises a stabilizing block, a buffer block, a second spring, a connecting block and a rubber pad, the bottom of the stabilizing block is fixedly connected with the upper surface of the cabinet body, the buffer block is fixedly arranged on the upper surface of the stabilizing block, the second spring is fixedly arranged on the inner wall of the buffer block, the connecting block is fixedly arranged at one end of the second spring, which is far away from the inner wall of the buffer block, and one end of the connecting block, which is far away from the second spring, extends to the outside of the buffer block and is fixedly provided with the rubber pad.

(III) advantageous effects

Compared with the prior art, the invention provides an automatic pressure relief high-voltage power distribution cabinet, which has the following beneficial effects:

1. this automatic pressure release high voltage power distribution cabinet, through setting up first apron, the second apron, arc and buckle device, high-pressure gas makes second latch and first latch reverse toothing make first apron and the stable upset of second apron, reach the purpose of release high-pressure high-temperature gas, make first apron and the stable surface of fixing at the arc of second apron through second latch and first latch forward meshing, the condition of avoiding follow-up slow high hot gas to block up appears, the problem of conventional pressure release roof resilience reclosing after overturning easily has been solved, the usability of the device has been increased.

2. This automatic pressure release high voltage distribution cabinet, through setting up first apron, second apron and buffer, when first apron and second apron upset are to the quick perpendicular to cabinet body upper surface, first apron and second apron are striking rubber pad compression second spring respectively, make first apron and second apron receive the rigidity injury reduction of gas shock, increase the device's life, photoelectric sensor detects connecting plate feedback signal and gives the controller, the controller restarts bee calling organ and sends the police dispatch newspaper, the staff of being convenient for in time overhauls, user's use has been made things convenient for.

Drawings

Fig. 1 is a schematic structural diagram of an automatic pressure relief high-voltage power distribution cabinet according to the present invention;

fig. 2 is a schematic structural diagram of an automatic pressure relief high-voltage power distribution cabinet according to the present invention;

fig. 3 is a structural cross-sectional view of an automatic pressure relief high voltage power distribution cabinet according to the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

fig. 5 is a sectional view of a buffer device of an automatic pressure relief high voltage power distribution cabinet according to the present invention.

In the figure: 1. a cabinet body; 11. a first cover plate; 12. a second cover plate; 13. a movable hole; 14. a fixing plate; 15. an arc-shaped plate; 16. a first latch; 17. a connecting plate; 18. a photosensor; 2. a cabinet door; 21. a controller; 22. a buzzer; 23. a handle; 3. a buckle device; 31. a buckle box; 32. a movable rod; 33. a second latch; 34. a first spring; 35. a sleeve; 36. a loop bar; 4. a buffer device; 41. a stabilizing block; 42. a buffer block; 43. a second spring; 44. connecting blocks; 45. and (7) a rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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. 1-5, an automatic pressure relief high voltage power distribution cabinet comprises a cabinet body 1, a cabinet door 2, a fastening device 3 and a buffer device 4, wherein the front of the cabinet body 1 is hinged with the cabinet door 2, the upper surface of the cabinet body 1 is fixedly provided with the fastening device 3 and the buffer device 4, the cabinet body 1 comprises a first cover plate 11, a second cover plate 12, a movable hole 13, a fixed plate 14, an arc plate 15, a first latch 16, a connecting plate 17 and a photoelectric sensor 18, the upper surfaces of the first cover plate 11 and the second cover plate 12 are hinged with the upper surface of the cabinet body 1, the opposite surfaces of the first cover plate 11 and the second cover plate 12 are overlapped, the specifications of the first cover plate 11 and the second cover plate 12 are consistent, the movable hole 13 is respectively arranged inside the first cover plate 11 and the second cover plate 12, the fixed plate 14 is fixedly arranged on the left side surface and the right side surface of the inner wall of the cabinet body 1, the arc plates 15 are fixedly arranged on the opposite surfaces, the opposite surfaces of the two arc-shaped plates 15 are fixedly provided with first clamping teeth 16, one end of each arc-shaped plate 15, which is far away from the fixed plate 14, penetrates through the inside of the movable hole 13 and extends to the upper surface of the cabinet body 1, and the upper surfaces of the first cover plate 11 and the second cover plate 12 are fixedly provided with the buckle devices 3;

the buckling device 3 comprises a buckling box 31, a movable rod 32, a second latch 33, a second spring 43, a sleeve 35 and a sleeve rod 36, wherein the movable rod 32 is movably arranged in the buckling box 31, the second latch 33 is fixedly arranged at one end of the movable rod 32, the other end of the movable rod 32 penetrates through the inner wall of the buckling box 31 and extends to the outside of the buckling box 31, the first spring 34 is sleeved on the surface of the movable rod 32, one end of the first spring 34 is fixedly connected with the inner wall of the buckling box 31, one end, far away from the inner wall of the buckling box 31, of the first spring 34 is fixedly connected with the right side face of the first latch 16, and through the arrangement of the first cover plate 11, the second cover plate 12, the arc-shaped plate 15 and the buckling device 3, high-pressure gas enables the second latch 33 and the first latch 16 to be reversely meshed so that the first cover plate 11 and the second cover plate 12 can be stably overturned to release the high-pressure high-temperature gas, through

second latch

33 and 16 forward meshes of first latch make first apron 11 and second apron 12 steadily fix on the surface of arc 15, avoid the condition of follow-up slow high hot gas jam to appear, solved the easy back of upset of conventional pressure release roof and kick-backed reclosing's problem, increased the usability of the device.

As a specific technical solution of this embodiment, the specifications of the first latch 16 and the second latch 33 are matched and the directions are opposite, and the first latch 16 and the second latch 33 are engaged.

In this embodiment, the high-pressure gas that produces when the inside of switch board takes place short-circuit fault, high-pressure gas is with the jack-up of first apron 11 with second apron 12, first apron 11 drives buckle box 31 with second apron 12 and takes place the upset, second latch 33 and the reverse meshing of first latch 16 for first latch 16 promotes the first spring 34 of second latch 33 backset compression, thereby make first apron 11 and the stable upset of second apron 12, reach the purpose of release high-pressure high-temperature gas, user's use has been made things convenient for.

As a specific technical scheme of this embodiment, the last fixed surface of the cabinet body 1 is equipped with photoelectric sensor 18, and photoelectric sensor 18 is fluted type photoelectric sensor, and photoelectric sensor 18's model is E3Z-G61, the last fixed surface of first apron 11 installs connecting plate 17, the opposite face of first apron 11 and second apron 12 is all seted up flutedly, the inside fixed mounting of cabinet door 2 has controller 21, and controller 21's model is AFP7FCA21, the front fixed mounting of cabinet door 2 has bee calling organ 22, handle 23 is installed in the front of cabinet door 2, the output of controller 21 is connected with bee calling organ 22's input electricity, controller 21 is two-way electricity with photoelectric sensor 18.

In this embodiment, the recess of first apron 11 and second apron 12 opposite face makes first apron 11 and the convenient jack-up of second apron 12, and frictional force reduces, and when first apron 11 drove the upset of connecting plate 17, make connecting plate 17 remove to photoelectric sensor 18 in the recess, make photoelectric sensor 18 detect connecting plate 17 feedback signal and give controller 21, and controller 21 restarts bee calling organ 22 and sends out the police dispatch newspaper, and the staff of being convenient for overhauls in time, has increased the usability of the device.

As a specific technical scheme of this embodiment, buffer 4's quantity is two, buffer 4 includes stabilizer 41, buffer 42, second spring 43, connecting block 44 and rubber pad 45, the bottom of stabilizer 41 and the last fixed surface of the cabinet body 1 are connected, the last fixed surface of stabilizer 41 installs buffer 42, the fixed mounting of buffer 42 inner wall has second spring 43, the one end fixed mounting that buffer 42 inner wall was kept away from to second spring 43 has connecting block 44, the one end that second spring 43 was kept away from to connecting block 44 extends to buffer 42's outside and fixed mounting has rubber pad 45.

In this embodiment, when the first cover plate 11 and the second cover plate 12 are turned over to be perpendicular to the upper surface of the cabinet body 1, the first cover plate 11 and the second cover plate 12 respectively strike the rubber pad 45, so that the rubber drives the connecting block 44 to compress the second spring 43, the rigidity damage of the first cover plate 11 and the second cover plate 12 caused by the gas impact is reduced, the service life of the device is prolonged, and the use of a user is facilitated.

As a specific technical scheme of this embodiment, a sleeve 35 is fixedly installed at one end of the first latch 16, which is far away from the second latch 33, a loop bar 36 is movably sleeved inside the sleeve 35, one end of the loop bar 36, which is far away from the sleeve 35, is fixedly connected with an inner wall of the buckle box 31, and the back surface of the buckle box 31 is an arc surface.

In this embodiment, the cooperation of sleeve pipe 35 and loop bar 36 makes the activity of second latch 33 more stable, avoid producing the skew, after first apron 11 and second apron 12 received gaseous impact in the twinkling of an eye, second latch 33 and the meshing of first latch 16 forward, make first apron 11 and second apron 12 steadily fix on the surface of arc 15, the condition of avoiding follow-up slow high hot gas to block up appears, pulling movable rod 32 drives second latch 33 and first latch 16 disengagement, the arcwall face of two buckle boxes 31 is unanimous with the radian of arc 15, make the meshing effect of first latch 16 and second latch 33 increase, made things convenient for the user to use.

The working principle and the using process of the invention are as follows: when the high-pressure gas is generated when a short-circuit fault occurs in the power distribution cabinet, the high-pressure gas jacks up the first cover plate 11 and the second cover plate 12, the first cover plate 11 and the second cover plate 12 drive the buckle box 31 to overturn, the second latch 33 is reversely meshed with the first latch 16, so that the first latch 16 pushes the second latch 33 to retreat and compress the first spring 34, the first cover plate 11 and the second cover plate 12 stably overturn, the purpose of releasing high-pressure high-temperature gas is achieved, when the first cover plate 11 and the second cover plate 12 are overturned to be vertical to the upper surface of the cabinet body 1, the first cover plate 11 and the second cover plate 12 respectively impact the rubber gasket 45, the rubber drives the connecting block 44 to compress the second spring 43, the rigid damage of the first cover plate 11 and the second cover plate 12 due to gas impact is reduced, and after the first cover plate 11 and the second cover plate 12 are instantaneously impacted by the gas, second latch 33 and 16 forward meshes with first latch, make first apron 11 and the steady surface of fixing at arc 15 of second apron 12, the condition of avoiding follow-up slow high hot gas to block up appears, pulling movable rod 32 drives second latch 33 and 16 disengagements of first latch, when first apron 11 drives connecting plate 17 upset simultaneously, make connecting plate 17 remove to photoelectric sensor 18 in the recess, make photoelectric sensor 18 detect connecting plate 17 feedback signal and give controller 21, controller 21 restarts bee calling organ 22 and sends the police dispatch newspaper, the staff of being convenient for in time overhauls, accomplish the operation to the device through the aforesaid.

To sum up, this automatic pressure release high voltage distribution cabinet, through setting up first apron 11, second apron 12, arc 15 and buckle device 3, high-pressure gas makes

second latch

33 and 16 reverse meshing of first latch make

first apron

11 and 12 stable upsets of second apron, reach the purpose of release high-pressure high-temperature gas, make

first apron

11 and 12 steady fixed on the surface of arc 15 of second apron through

second latch

33 and 16 forward meshing of first latch, avoid the condition of follow-up slow high hot gas jam to appear, the problem of conventional pressure release roof kick-back reclosing after overturning easily has been solved, the usability of the device has been increased.

It should be noted that, in this document, terms such as "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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic pressure release high voltage distribution cabinet, includes the cabinet body (1), cabinet door (2), buckle device (3) and buffer (4), its characterized in that: the front of the cabinet body (1) is hinged with a cabinet door (2), the upper surface of the cabinet body (1) is fixedly provided with a buckle device (3) and a buffer device (4), the cabinet body (1) comprises a first cover plate (11), a second cover plate (12), a movable hole (13), a fixed plate (14), an arc-shaped plate (15), a first latch (16), a connecting plate (17) and a photoelectric sensor (18), the upper surfaces of the first cover plate (11) and the second cover plate (12) are hinged with the upper surface of the cabinet body (1), the opposite surfaces of the first cover plate (11) and the second cover plate (12) are lapped, the specifications of the first cover plate (11) and the second cover plate (12) are consistent, the movable hole (13) is formed in the first cover plate (11) and the second cover plate (12), the fixed plate (14) is fixedly arranged on the left side surface and the right side surface of the inner wall of the cabinet body (1), the opposite surfaces of the two fixing plates (14) are fixedly provided with arc-shaped plates (15), the opposite surfaces of the two arc-shaped plates (15) are fixedly provided with first clamping teeth (16), one ends, far away from the fixing plates (14), of the arc-shaped plates (15) penetrate through the inside of the movable holes (13) and extend to the upper surface of the cabinet body (1), and the upper surfaces of the first cover plate (11) and the second cover plate (12) are fixedly provided with clamping devices (3);

the buckle device (3) comprises a buckle box (31), a movable rod (32), a second latch (33), a second spring (43), a sleeve (35) and a sleeve rod (36), wherein the movable rod (32) is movably arranged in the buckle box (31), the second latch (33) is fixedly arranged at one end of the movable rod (32), the other end of the movable rod (32) penetrates through the inner wall of the buckle box (31) and extends to the outside of the buckle box (31), a first spring (34) is sleeved on the surface of the movable rod (32), one end of the first spring (34) is fixedly connected with the inner wall of the buckle box (31), one end, far away from the inner wall of the buckle box (31), of the first spring (34) is fixedly connected with the right side face of the first latch (16), the first latch (16) is matched with and opposite to the specification of the second latch (33), and the first latch (16) is meshed with the second latch (33), one end fixed mounting that second latch (33) were kept away from in first latch (16) has sleeve pipe (35), loop bar (36) have been cup jointed in the inside activity of sleeve pipe (35), the one end that sleeve pipe (35) were kept away from in loop bar (36) and the inner wall fixed connection of buckle box (31), two the back of the body of buckle box (31) is the arcwall face.

2. The automatic pressure relief high-voltage power distribution cabinet according to claim 1, characterized in that: the utility model discloses a cabinet body, including the cabinet body, the upper surface fixed mounting of the cabinet body (1) has photoelectric sensor (18), the upper surface fixed mounting of first apron (11) has connecting plate (17), the opposite face of first apron (11) and second apron (12) all is seted up flutedly.

3. The automatic pressure relief high-voltage power distribution cabinet according to claim 1, characterized in that: the inside fixed mounting of cabinet door (2) has controller (21), the positive fixed mounting of cabinet door (2) has bee calling organ (22), handle (23) are installed in the front of cabinet door (2), the output of controller (21) is connected with the input electricity of bee calling organ (22), controller (21) is two-way electricity with photoelectric sensor (18).

4. The automatic pressure relief high-voltage power distribution cabinet according to claim 1, characterized in that: the quantity of buffer (4) is two, buffer (4) are including stabilizing block (41), buffer block (42), second spring (43), connecting block (44) and rubber pad (45), the bottom of stabilizing block (41) is connected with the last fixed surface of the cabinet body (1), the last fixed surface of stabilizing block (41) installs buffer block (42), the fixed mounting of buffer block (42) inner wall has second spring (43), the one end fixed mounting that buffer block (42) inner wall was kept away from in second spring (43) has connecting block (44), the one end that second spring (43) were kept away from in connecting block (44) extends to the outside and the fixed mounting of buffer block (42) has rubber pad (45).