CN213151300U - Pressure release protection mechanism and switch cabinet - Google Patents
Pressure release protection mechanism and switch cabinet Download PDFInfo
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- CN213151300U CN213151300U CN202021397704.4U CN202021397704U CN213151300U CN 213151300 U CN213151300 U CN 213151300U CN 202021397704 U CN202021397704 U CN 202021397704U CN 213151300 U CN213151300 U CN 213151300U
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- protection mechanism
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Abstract
The utility model discloses a pressure relief protection mechanism and a switch cabinet, wherein the pressure relief protection mechanism comprises a group of first pressure relief protection devices and two groups of second pressure relief protection devices which are arranged on a switch cabinet top plate; when the pressure in the switch cabinet is not particularly high, only the first pressure relief protection device plays a pressure relief role, the movable plate is pushed outwards by internal high pressure, and gas is released from the first pressure relief opening; when the position detection device detects that the movable plate is pushed to the middle position or the outer end of the first pressure relief opening, the locking plate of the locking mechanism rotates, the pressure relief plate can be pushed open at any time, and the first pressure relief protection device and the second pressure relief protection device play a role in pressure relief protection at the same time; when the position detection device detects that the movable plate returns to the half side in the first pressure relief opening, the locking plate of the locking mechanism rotates, and the pressure relief plate is locked.
Description
Technical Field
The utility model relates to a cubical switchboard technical field, concretely relates to pressure release protection machanism and cubical switchboard.
Background
The switch cabinet is an electrical device, the components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like, and the switch cabinet is mainly used for opening, closing, controlling and protecting the electrical device in the power generation, power transmission, power distribution and electric energy conversion processes of an electric power system. Because the cubical switchboard is insulating ageing in service, the maloperation, reasons such as foreign matter and overvoltage lead to inside trouble electric arc accident to take place occasionally, electric arc burning releases huge energy in the short time, cause the internal portion gaseous inflation of cabinet, pressure surge, can cause the cabinet body to appear bursting under powerful pressure, cause the conflagration even, current cubical switchboard is through setting up the pressure release board, the pressure release board bounces when cubical switchboard inside short circuit produces high temperature high-pressure gas, release the cubical switchboard with high temperature high pressure gas in, prevent that the cubical switchboard from exploding, pressure release board one end is fixed with metal screw, the other end is fixed with the nylon screw, when the intensity of nylon bolt is too high, the pressure release board can't be opened immediately, cause the accumulation of pressure easily, produce great influence to the cabinet body.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a pressure release protection machanism and cubical switchboard.
The utility model provides a technical scheme of above-mentioned problem does: a pressure relief protection mechanism comprises a group of first pressure relief protection devices and two groups of second pressure relief protection devices, wherein the first pressure relief protection devices and the second pressure relief protection devices are arranged on a top plate of a switch cabinet;
the first pressure relief protection device comprises a T-shaped pressure relief cover connected to a top plate through a bolt, a T-shaped pressure relief channel is arranged in the T-shaped pressure relief cover, a first pressure relief window communicated with the T-shaped pressure relief channel is arranged on the top plate, two movable plates are arranged in the T-shaped pressure relief channel, the inner end faces of the movable plates are attached to a sealing plate when the movable plates are located at the innermost ends, the sealing plate is a rectangular frame arranged in the T-shaped pressure relief channel, sealing rings are arranged on the inner end faces of the movable plates, the two movable plates are respectively connected to two ends of the T-shaped pressure relief channel in a sliding mode through sliding connection mechanisms, and first pressure relief ports are; a reset plate is fixedly arranged in the middle of the upper wall of the T-shaped pressure relief channel, and the reset plate is connected with the movable plates at the two ends through reset telescopic devices respectively;
the second pressure relief protection device comprises a rectangular pressure relief cover connected onto the top plate through a bolt, two pressure relief plates respectively connected onto the top plate in a hinged mode, and a locking mechanism.
Furthermore, the sliding connection mechanism comprises four sliding rails and four pulleys connected to the outer end face of the movable plate, the four sliding rails are respectively arranged at two ends of the upper wall and two ends of the lower wall of the T-shaped pressure relief channel, the four pulleys are respectively arranged in the four sliding rails in a sliding manner, and the two sliding rails on the lower wall of the T-shaped pressure relief channel are respectively arranged at two ends of the first pressure relief opening.
Further, the telescoping device that resets includes that telescopic link and cover establish the outside reset spring of telescopic link, telescopic link both ends, reset spring both ends fixed connection are on fly leaf and the board that resets.
Furthermore, locking mechanical system includes and rotates the locking plate of connection in the baffle center through the pivot, and the coaxial coupling is at epaxial driven gear, fixes the drive electric putter on the baffle, connects at the flexible end of drive electric putter and with driven gear engagement's drive rack.
Further, the cross section of the locking plate is isosceles trapezoid.
Furthermore, the pressure relief protection mechanism further comprises a controller, the first pressure relief protection device further comprises two groups of position detection devices, the two groups of position detection devices are connected to the controller, and the locking mechanism is controlled by the controller.
Furthermore, two sets of position detection devices are respectively arranged at two ends of the T-shaped pressure relief channel, each set of position detection device comprises an emitting unit fixedly connected to the center of the inner end face of the movable plate and a receiving unit fixedly connected to the upper wall of the T-shaped pressure relief channel, and the receiving unit is arranged right above the center of the first pressure relief opening.
Furthermore, two groups of second pressure relief protection devices are respectively arranged on two sides of the first pressure relief protection device.
A switch cabinet comprises a cabinet body, wherein the pressure relief protection mechanism is arranged on a top plate of the cabinet body.
The utility model discloses beneficial effect has:
the utility model provides a pressure relief protection mechanism and a switch cabinet, when the pressure in the switch cabinet is not particularly large, only a first pressure relief protection device plays a pressure relief role, the movable plate is pushed outwards by the internal high pressure, and the gas is released from a first pressure relief opening; when the position detection device detects that the movable plate is pushed to the middle position or the outer end of the first pressure relief opening, the locking plate of the locking mechanism rotates, the pressure relief plate can be pushed open at any time, and the first pressure relief protection device and the second pressure relief protection device play a role in pressure relief protection at the same time; when the position detection device detects that the movable plate returns to the half side in the first pressure relief opening, the locking plate of the locking mechanism rotates, and the pressure relief plate is locked.
Drawings
FIG. 1 is a schematic structural view of a pressure relief protection mechanism;
FIG. 2 is a schematic view of a first pressure relief device;
FIG. 3 is a schematic view of a second pressure relief vent;
FIG. 4 is a schematic structural view of an upper wall of a T-shaped pressure relief cover;
FIG. 5 is a schematic structural view of the locking mechanism;
FIG. 6 is an electrical schematic of the controller;
in the figure: 1-top plate, 2-first pressure relief protection device, 3-second pressure relief protection device, 4-T type pressure relief cover, 5-T type pressure relief channel, 6-first pressure relief window, 7-movable plate, 8-sealing plate, 9-sealing ring, 10-first pressure relief opening, 11-reset plate, 12-rectangular pressure relief cover, 13-pressure relief plate, 14-second pressure relief window, 15-partition plate, 16-sliding rail, 17-pulley, 18-telescopic rod, 19-reset spring, 20-locking plate, 21-rotating shaft, 22-driven gear, 23-driving electric push rod, 24-driving rack, 25-controller, 26-transmitting unit and 27-receiving unit.
Detailed Description
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1, a switch cabinet comprises a cabinet body, wherein a top plate 1 of the cabinet body is provided with a pressure relief protection mechanism, and the pressure relief protection mechanism comprises a group of first pressure relief protection devices 2 and two groups of second pressure relief protection devices 3 which are arranged on the top plate 1 of the switch cabinet; the two groups of second pressure relief protection devices 3 are respectively arranged at two sides of the first pressure relief protection device 2;
as shown in fig. 2 and 4, the first pressure relief protection device 2 includes a T-shaped pressure relief cover 4 connected to a top plate 1 through a bolt, a T-shaped pressure relief channel 5 is arranged in the T-shaped pressure relief cover 4, a first pressure relief window 6 communicated with the T-shaped pressure relief channel 5 is arranged on the top plate 1, two movable plates 7 are arranged in the T-shaped pressure relief channel 5, inner end surfaces of the movable plates 7 are attached to a sealing plate 8 when the movable plates 7 are at the innermost end, the sealing plate 8 is a rectangular frame arranged in the T-shaped pressure relief channel 5, sealing rings 9 are arranged on the inner end surfaces of the movable plates 7, the two movable plates 7 are respectively connected to two ends of the T-shaped pressure relief channel 5 in a sliding manner through a sliding connection mechanism, and first pressure relief openings 10; the sliding connection mechanism comprises four sliding rails 16 and four pulleys 17 connected to the outer end face of the movable plate 7, the four sliding rails 16 are respectively arranged at two ends of the upper wall and two ends of the lower wall of the T-shaped pressure relief channel 5, the four pulleys 17 are respectively arranged in the four sliding rails 16 in a sliding manner, the two sliding rails 16 on the lower wall of the T-shaped pressure relief channel 5 are respectively arranged at two ends of the first pressure relief opening 10, the middle part of the upper wall of the T-shaped pressure relief channel 5 is fixedly provided with a reset plate 11, the reset plate 11 is respectively connected with the movable plates 7 at two ends through reset telescoping devices, each reset telescoping device comprises a telescopic rod 18 and a reset spring 19 sleeved outside the telescopic rod 18, and two ends of the telescopic rod 18 and two ends of the reset spring 19 are fixedly connected to the movable;
as shown in fig. 3 and 5, the second pressure relief protection device 3 includes a rectangular pressure relief cover 12 connected to the top plate 1 by bolts, two pressure relief plates 13 respectively hinged to the top plate 1, and a locking mechanism, wherein a second pressure relief window 14 is provided on the top plate 1 below each pressure relief plate 13, a partition plate 15 is provided between the two second pressure relief windows 14, the two pressure relief plates 13 are symmetrically installed with respect to the partition plate 15, the locking mechanism is rotatably installed on the partition plate 15, the locking mechanism includes a locking plate 20 rotatably connected to the center of the partition plate 15 by a rotating shaft 21, a driven gear 22 coaxially connected to the rotating shaft 21, a driving electric push rod 23 fixed to the partition plate 15, a driving rack 24 connected to a telescopic end of the driving electric push rod 23 and engaged with the driven gear 22, and the cross section of the locking plate 20 is;
as shown in fig. 6, the pressure relief protection mechanism further includes a controller 25, the controller 25 is disposed outside, and can be installed on a wall or placed on the ground, two sets of position detection devices and two driving electric push rods 23 are respectively connected to the controller 25, the first pressure relief protection mechanism 2 further includes two sets of position detection devices, the two sets of position detection devices are respectively disposed at two ends of the T-shaped pressure relief channel 5, each set of position detection device includes an emitting unit 26 fixedly connected to the center of the inner end surface of the movable plate 7 and a receiving unit 27 fixedly connected to the upper wall of the T-shaped pressure relief channel 5, and the receiving unit 27 is disposed right above the center of the first pressure relief opening 10.
The utility model discloses a theory of operation does: when the pressure in the switch cabinet is not particularly high, only the first pressure relief protection device 2 plays a pressure relief role, the movable plate 7 is pushed outwards by the internal high pressure, and the gas is released from the first pressure relief opening 10; when the position detection device detects that the movable plate 7 is pushed to the middle position or the outer end of the first pressure relief opening 10, the locking plate of the locking mechanism rotates, the pressure relief plate 13 can be pushed open at any time, and the first pressure relief protection device 2 and the second pressure relief protection device 3 play a role in pressure relief protection at the same time; when the position detection device detects that the movable plate 7 returns to the inner half side of the first pressure relief opening 10, the locking plate of the locking mechanism rotates, and the pressure relief plate 13 is locked;
the two groups of position detection units respectively control the operation of one of the driving electric push rods 23 correspondingly, when only one side position detection device detects that the movable plate 7 is pushed to the middle position or the outer end of the first pressure relief opening 10, only one second pressure relief protection device 3 is started, and when the two sides are detected simultaneously, the two second pressure relief protection devices 3 are started and started simultaneously.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (9)
1. The utility model provides a pressure release protection machanism which characterized in that: the pressure relief protection device comprises a group of first pressure relief protection devices (2) and two groups of second pressure relief protection devices (3) which are arranged on a top plate (1) of the switch cabinet;
the first pressure relief protection device (2) comprises a T-shaped pressure relief cover (4) connected to a top plate (1) through bolts, a T-shaped pressure relief channel (5) is arranged in the T-shaped pressure relief cover (4), a first pressure relief window (6) communicated with the T-shaped pressure relief channel (5) is arranged on the top plate (1), two movable plates (7) are arranged in the T-shaped pressure relief channel (5), the inner end faces of the movable plates (7) are attached to sealing plates (8) when the movable plates (7) are located at the innermost ends, the sealing plates (8) are rectangular frames arranged in the T-shaped pressure relief channel (5), sealing rings (9) are arranged on the inner end faces of the movable plates (7), the two movable plates (7) are respectively connected to two ends of the T-shaped pressure relief channel (5) through sliding connection mechanisms in a sliding mode, and first pressure relief openings (10) are respectively arranged on the; a reset plate (11) is fixedly arranged in the middle of the upper wall of the T-shaped pressure relief channel (5), and the reset plate (11) is connected with the movable plates (7) at the two ends through reset telescopic devices respectively;
second pressure release protector (3) include through bolted connection rectangle pressure release cover (12) on roof (1), two pressure release boards (13) of articulated connection on roof (1) respectively to and locking mechanical system, be equipped with second pressure release window (14) on roof (1) of every pressure release board (13) below, be equipped with between two second pressure release windows (14) baffle (15), two pressure release boards (13) are installed about baffle (15) symmetry, locking mechanical system rotates and installs on baffle (15).
2. The pressure relief protection mechanism of claim 1, wherein: the sliding connection mechanism comprises four sliding rails (16) and four pulleys (17) connected to the outer end face of the movable plate (7), the four sliding rails (16) are arranged at two ends of the upper wall and two ends of the lower wall of the T-shaped pressure relief channel (5) respectively, the four pulleys (17) are arranged in the four sliding rails (16) in a sliding mode respectively, and the two sliding rails (16) on the lower wall of the T-shaped pressure relief channel (5) are arranged at two ends of the first pressure relief opening (10) respectively.
3. The pressure relief protection mechanism of claim 1, wherein: the reset telescopic device comprises a telescopic rod (18) and a reset spring (19) sleeved outside the telescopic rod (18), and two ends of the telescopic rod (18) and two ends of the reset spring (19) are fixedly connected to the movable plate (7) and the reset plate (11).
4. The pressure relief protection mechanism of claim 1, wherein: the locking mechanism comprises a locking plate (20) which is rotatably connected to the center of the partition plate (15) through a rotating shaft (21), a driven gear (22) which is coaxially connected to the rotating shaft (21), a driving electric push rod (23) which is fixed on the partition plate (15), and a driving rack (24) which is connected to the telescopic end of the driving electric push rod (23) and is meshed with the driven gear (22).
5. The pressure relief protection mechanism of claim 4, wherein: the cross section of the locking plate (20) is isosceles trapezoid.
6. The pressure relief protection mechanism of claim 1, wherein: the pressure relief protection mechanism further comprises a controller (25), the first pressure relief protection device (2) further comprises two groups of position detection devices, the two groups of position detection devices are connected to the controller (25), and the locking mechanism is controlled by the controller (25).
7. The pressure relief protection mechanism of claim 6, wherein: two sets of position detection device set up respectively at T type pressure release passageway (5) both ends, and every position detection device of group includes emission unit (26) of fixed connection at fly leaf (7) inner end face center, and fixed connection is receiving element (27) on T type pressure release passageway (5) upper wall, receiving element (27) set up directly over first pressure release mouth (10) center.
8. The pressure relief protection mechanism of claim 1, wherein: the two groups of second pressure relief protection devices (3) are respectively arranged at two sides of the first pressure relief protection device (2).
9. A kind of switch cabinet, its characterized in that: the pressure relief protection mechanism comprises a cabinet body, wherein the top plate of the cabinet body is provided with the pressure relief protection mechanism as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021397704.4U CN213151300U (en) | 2020-07-16 | 2020-07-16 | Pressure release protection mechanism and switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021397704.4U CN213151300U (en) | 2020-07-16 | 2020-07-16 | Pressure release protection mechanism and switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213151300U true CN213151300U (en) | 2021-05-07 |
Family
ID=75731656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021397704.4U Active CN213151300U (en) | 2020-07-16 | 2020-07-16 | Pressure release protection mechanism and switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213151300U (en) |
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2020
- 2020-07-16 CN CN202021397704.4U patent/CN213151300U/en active Active
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