CN219801668U - Explosion-proof high-voltage switch cabinet that fires - Google Patents
Explosion-proof high-voltage switch cabinet that fires Download PDFInfo
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- CN219801668U CN219801668U CN202321173047.9U CN202321173047U CN219801668U CN 219801668 U CN219801668 U CN 219801668U CN 202321173047 U CN202321173047 U CN 202321173047U CN 219801668 U CN219801668 U CN 219801668U
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- 238000001514 detection method Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 238000004880 explosion Methods 0.000 abstract description 25
- 230000007613 environmental effect Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
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Abstract
The utility model discloses an explosion-proof high-voltage switch cabinet, which relates to the technical field of explosion-proof cabinets and comprises a cabinet body and a cabinet door, wherein the cabinet door is rotatably arranged on the cabinet body, the top of the cabinet body is provided with a pressure relief mechanism, the pressure relief mechanism comprises a slide bar, a cover plate and an elastic component, the top of the cabinet body is provided with a gas release hole, the periphery of the gas release hole is provided with a plurality of slide bars, and the slide bars are fixedly connected with the top of the cabinet body; the cover plate is positioned right above the air leakage hole. This explosion-proof high tension switchgear, through relief mechanism, elevating system, reciprocating mechanism, controller, position sensor, alarm and temperature sensor's cooperation setting, not only can detect the temperature of every component in the switchgear in daily work, prevent that the temperature of component from being too high from leading to the short circuit explosion, can carry out the pressure release to the high-pressure gas in the switchgear after the explosion takes place moreover to prevent the cabinet body and explode, harm staff's personal safety.
Description
Technical Field
The utility model relates to the technical field of explosion-proof cabinets, in particular to an explosion-proof high-voltage switch cabinet.
Background
The explosion-proof switch cabinet is also called an explosion-proof control box, is one of the main types of explosion-proof electric appliances, and mainly comprises an illumination distribution box for controlling an illumination system and a power box for controlling a power system, and the inside of the explosion-proof switch cabinet is mainly provided with a circuit breaker, a contactor, a thermal relay, a change-over switch, a signal lamp, a button and other elements.
In China, patent application number: CN202220096867.1 discloses an explosion-proof switch cabinet and an explosion-proof device thereof, the structure comprises a cabinet body, a cabinet door is installed on one side of the front end of the cabinet body, a hinge seat is fixed below the inner wall of the cabinet door, a support plate is rotationally connected with the hinge seat, sliding grooves are formed in the two ends of the support plate, and fixing seats are arranged below the two sides of the hinge seat. The explosion-proof switch cabinet and the explosion-proof device thereof detect whether the environmental temperature in the cabinet body exceeds a preset value to prevent the explosion of the switch cabinet by utilizing the temperature detector, but the explosion of the switch cabinet is usually caused by the explosion of a single element, so that the whole temperature in the cabinet body is detected, and the explosion cannot be effectively prevented.
Therefore, it is necessary to provide an anti-explosion high-voltage switch cabinet to solve the above problems.
Disclosure of Invention
The utility model aims to provide an explosion-proof high-voltage switch cabinet, which solves the problems that the prior explosion-proof switch cabinet and an explosion-proof device thereof in the prior art detect whether the environmental temperature in the cabinet body exceeds a preset value to prevent the explosion of the switch cabinet by utilizing a temperature detector, but the explosion of the switch cabinet is usually caused by the explosion of a single element, so that the whole temperature in the cabinet body is detected, and the explosion cannot be effectively prevented.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the explosion-proof high-voltage switch cabinet comprises a cabinet body and a cabinet door, wherein the cabinet door is rotatably arranged on the cabinet body, the top of the cabinet body is provided with a pressure relief mechanism, the pressure relief mechanism comprises a sliding rod, a cover plate and an elastic component, the top of the cabinet body is provided with a gas leakage hole, the periphery of the gas leakage hole is provided with a plurality of sliding rods, and the sliding rods are fixedly connected with the top of the cabinet body; the cover plate is positioned right above the air leakage hole and is matched with the air leakage hole; the top end of the sliding rod penetrates through the cover plate and is fixedly provided with a stop block, an elastic component is sleeved on the sliding rod between the stop block and the cover plate, and in an initial state, the cover plate is attached to the air leakage hole under the action of the elastic component; the cabinet is characterized in that a movable plate is transversely arranged in the cabinet body, the movable plate is in transmission connection with a lifting mechanism, a reciprocating mechanism is arranged on the inner side face of the movable plate, an alarm is fixedly installed at the output end of the reciprocating mechanism, a temperature sensor is fixedly installed above the alarm, the detection end of the temperature sensor is far away from the cabinet door, a controller is fixedly installed on the outer side face of the movable plate, position sensors are fixedly installed at the upper end and the lower end of the controller, the controller is respectively connected with the position sensors and the lifting mechanism, and the alarm is connected with the temperature sensor.
Preferably, the lifting mechanism comprises a screw, a driving mechanism and a limiting rod, the screw and the limiting rod are arranged in the cabinet body along the transverse interval, the screw is rotatably arranged on one side of the cabinet body, the limiting rod is fixedly arranged on the other side of the cabinet body, two ends of the moving plate are respectively sleeved on the screw and the limiting rod, the moving plate is in threaded connection with the screw, the moving plate is in sliding connection with the limiting rod, and two ends of the screw are in transmission connection with the driving mechanism.
Preferably, the driving mechanism comprises a first belt pulley, a V-shaped belt, a second belt pulley and a motor, wherein the first belt pulleys in the two driving mechanisms are respectively and fixedly arranged at two ends of a screw rod, the motors in the two driving mechanisms are respectively and fixedly arranged on the upper inner wall and the lower inner wall of the cabinet body, the end part of an output shaft of each motor is fixedly provided with the second belt pulley, and the first belt pulley and the second belt pulley which are positioned at the same side are in transmission connection through the V-shaped belt.
Preferably, the reciprocating mechanism comprises two motors, two rotating wheels and a conveyor belt, the two rotating wheels are symmetrically and rotatably arranged at two ends of the moving plate in the transverse direction, the two rotating wheels are in transmission connection through the conveyor belt, the motors are fixedly arranged on the outer side face of the moving plate, the end parts of output shafts of the motors penetrate through the moving plate and are fixedly connected with one rotating wheel, and the alarm is fixedly arranged on the conveyor belt.
Preferably, the cabinet door is fixedly provided with an observation window, the observation window is made of explosion-proof glass, and the cabinet door is fixedly provided with a handle.
Preferably, the air inlets are symmetrically arranged on two sides of the cabinet body, the filter screens are symmetrically arranged in the cabinet body, and are respectively and fixedly arranged on the two air inlets and cover the air inlets, and the exhaust fan is fixedly arranged at the bottom of the cabinet body.
Preferably, the impact force generated when the inside of the cabinet body explodes is greater than the downward pressure of the elastic component to the cover plate.
Advantageous effects
Compared with the prior art, the utility model provides the explosion-proof high-voltage switch cabinet which is unique in structure and convenient to use, and comprises a cabinet body and a cabinet door, wherein the cabinet door is rotatably arranged on the cabinet body, the top of the cabinet body is provided with a pressure release mechanism, the pressure release mechanism comprises a slide bar, a cover plate and an elastic component, the top of the cabinet body is provided with a gas release hole, the periphery of the gas release hole is provided with a plurality of slide bars, and the slide bars are fixedly connected with the top of the cabinet body; the cover plate is positioned right above the air leakage hole and is matched with the air leakage hole; the top end of the sliding rod penetrates through the cover plate and is fixedly provided with a stop block, an elastic component is sleeved on the sliding rod between the stop block and the cover plate, and in an initial state, the cover plate is attached to the air leakage hole under the action of the elastic component; the cabinet is internally provided with a movable plate along the transverse direction, the movable plate is in transmission connection with a lifting mechanism, the inner side surface of the movable plate is provided with a reciprocating mechanism, the output end of the reciprocating mechanism is fixedly provided with an alarm, a temperature sensor is fixedly arranged above the alarm, the detection end of the temperature sensor is far away from a cabinet door, the outer side surface of the movable plate is fixedly provided with a controller, the upper end and the lower end of the controller are fixedly provided with position sensors, the controller is respectively connected with the position sensors and the lifting mechanism, the alarm is connected with the temperature sensors, and the temperature of each element in the switch cabinet can be detected in daily work through the cooperation of the pressure release mechanism, the lifting mechanism, the reciprocating mechanism, the controller, the position sensors, the alarm and the temperature sensors, so that the temperature of the element is prevented from being too high to cause short-circuit explosion.
The utility model provides an explosion-proof high-voltage switch cabinet, which has a unique structure and convenient use, effectively solves the problems that the prior explosion-proof switch cabinet and an explosion-proof device thereof can not effectively prevent explosion by detecting whether the environmental temperature in the cabinet body exceeds a preset value or not by utilizing a temperature detector, but the explosion of the switch cabinet is usually caused by the explosion of a single element, so the whole temperature in the cabinet body is detected, and the explosion cannot be effectively prevented.
Drawings
FIG. 1 is a schematic perspective right view of the structure of the present utility model;
FIG. 2 is a schematic perspective left view of the structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of the structure of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of the area A in FIG. 1;
FIG. 5 is an enlarged schematic view of the structure of the area B in FIG. 1;
FIG. 6 is an enlarged schematic view of the structure of the region C in FIG. 2;
fig. 7 is an enlarged schematic view of the D-zone structure of fig. 3.
In the figure: 1. a cabinet body; 2. a cabinet door; 3. an observation window; 4. a handle; 5. an air inlet; 6. a filter screen; 7. an exhaust fan; 8. a slide bar; 9. a cover plate; 10. an elastic component; 11. a moving plate; 12. a controller; 13. a position sensor; 14. a screw; 15. a first pulley; 16. a V-belt; 17. a second pulley; 18. a motor; 19. a motor; 20. a rotating wheel; 21. a conveyor belt; 22. an alarm; 23. a temperature sensor; 24. and a limit rod.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
Examples
The embodiment 1 provides an anti-explosion high-voltage switch cabinet, which is directly improved on the existing high-voltage switch cabinet and has unique structure, as shown in fig. 1-7, and comprises a cabinet body 1 and a cabinet door 2, wherein the cabinet door 2 is rotatably arranged on the cabinet body 1, an observation window 3 is fixedly arranged on the cabinet door 2, the observation window 3 is made of anti-explosion glass, a handle 4 is fixedly arranged on the cabinet door 2, a pressure release mechanism is arranged at the top of the cabinet body 1 and comprises a slide bar 8, a cover plate 9 and an elastic component 10, a vent hole is formed in the top of the cabinet body 1, a plurality of slide bars 8 are arranged on the periphery of the vent hole, and the slide bars 8 are fixedly connected with the top of the cabinet body 1; the cover plate 9 is positioned right above the air leakage hole and is matched with the air leakage hole; the top end of the sliding rod 8 penetrates through the cover plate 9 and is fixedly provided with a stop block, an elastic component 10 is sleeved on the sliding rod 8 between the stop block and the cover plate 9, and in an initial state, the cover plate 9 is attached to the air leakage hole under the action of the elastic component 10; the impact force generated when the inside of the cabinet body 1 explodes is greater than the downward pressure of the elastic component 10 to the cover plate 9, so that high-pressure gas generated by explosion is discharged from the air leakage hole, a movable plate 11 is transversely arranged in the cabinet body 1, and the movable plate 11 is in transmission connection with a lifting mechanism.
The lifting mechanism comprises a screw 14, a driving mechanism and a limiting rod 24, the screw 14 and the limiting rod 24 are arranged in the cabinet body 1 at intervals along the transverse direction, the screw 14 is rotatably arranged on one side of the cabinet body 1, the limiting rod 24 is fixedly arranged on the other side of the cabinet body 1, two ends of the moving plate 11 are respectively sleeved on the screw 14 and the limiting rod 24, the moving plate 11 is in threaded connection with the screw 14, the moving plate 11 is in sliding connection with the limiting rod 24, the two ends of the screw 14 are in transmission connection with the driving mechanism, the driving mechanism comprises a first belt pulley 15, a V-shaped belt 16, a second belt pulley 17 and a motor 18, the first belt pulley 15 in the two driving mechanisms is respectively fixedly arranged on two ends of the screw 14, the motors 18 in the two driving mechanisms are respectively fixedly arranged on the upper inner wall and the lower inner wall of the cabinet body 1, the end part of an output shaft of the motor 18 is fixedly provided with a second belt pulley 17, and the first belt pulley 15 and the second belt pulley 17 on the same side are in transmission connection through the V-shaped belt 16.
The inner side of the movable plate 11 is provided with a reciprocating mechanism, an alarm 22 is fixedly arranged at the output end of the reciprocating mechanism, the reciprocating mechanism comprises two motors 19, two rotating wheels 20 and a conveyor belt 21, the two rotating wheels 20 are rotationally arranged at two ends of the movable plate 11 along the transverse symmetry, the two rotating wheels 20 are in transmission connection through the conveyor belt 21, the motors 19 are fixedly arranged on the outer side of the movable plate 11, the end part of an output shaft of each motor 19 penetrates through the movable plate 11 and is fixedly connected with one rotating wheel 20, and various mounting positions of the alarm 22 are provided, for example: the alarm 22 is fixedly arranged on the conveyor belt 21, a temperature sensor 23 is fixedly arranged above the alarm 22, the detection end of the temperature sensor 23 is far away from the cabinet door 2, the temperature sensor 23 is an infrared temperature sensor, a controller 12 is fixedly arranged on the outer side face of the movable plate 11, position sensors 13 are fixedly arranged at the upper end and the lower end of the controller 12, the controller 12 is respectively connected with the position sensors 13 and the lifting mechanism, and the alarm 22 is connected with the temperature sensor 23.
In the use process of the anti-explosion high-voltage switch cabinet, the motor 19 is started firstly, then the movable plate 11 is moved to a proper position, when the position sensor 13 below the controller 12 detects an object, the motor 18 at the bottom of the cabinet body 1 is controlled by the controller 12, the output shaft of the motor 18 rotates, thereby driving the second belt pulley 17 to rotate, and driving the first belt pulley 15 to rotate through the V-shaped belt 16, thereby rotating the screw 14, after the screw 14 rotates, the movable plate 11 moves upwards along the limiting rod 24 under the combined action of the screw 14 and the limiting rod 24, and when the position sensor 13 above the controller 12 detects the object, the motor 18 at the bottom of the cabinet body 1 is controlled by the controller 12 to stop moving, and meanwhile, the motor 18 at the top of the cabinet body 1 is controlled to move reversely, thereby enabling the movable plate 11 to reciprocate up and down.
Meanwhile, the output shaft of the motor 19 rotates, thereby driving the conveyor belt 21 to rotate, the alarm 22 and the temperature sensor 23 rotate in a reciprocating way along with the conveyor belt 21 in a circumferential direction, so that the temperature sensor 23 can detect each element in the switch cabinet, when the temperature of one element exceeds a rated value, the alarm 22 automatically alarms, in addition, when the element in the switch cabinet explodes due to aging short circuit, the cover plate 9 is jacked up by high-pressure gas generated by the explosion and is discharged from the air leakage hole, so that the cabinet body 1 is prevented from being exploded by the high-pressure gas generated by the explosion, the personal safety of staff is endangered, after the air pressure in the switch cabinet is recovered to be normal, the cover plate 9 returns to the initial position under the action of the elastic component 10, and through the cooperation of the pressure release mechanism, the lifting mechanism, the reciprocating mechanism, the controller 12, the position sensor 13, the alarm 22 and the temperature sensor 23, the temperature of each element in the switch cabinet can be detected in daily work, the short circuit explosion caused by the overtemperature of the element is prevented, and the high-pressure gas generated by the explosion is prevented from endangering the high-pressure gas in the switch cabinet after the explosion, so that the personal safety of the personnel is prevented from being exploded.
Examples
Embodiment 2 is different from embodiment 1 in that, as shown in fig. 1 and 3, air inlets 5 are symmetrically formed on two sides of the cabinet body 1, filter screens 6 are symmetrically arranged in the cabinet body 1, the filter screens 6 are respectively and fixedly installed on the two air inlets 5 and cover the air inlets 5, an exhaust fan 7 is fixedly installed at the bottom of the cabinet body 1, and through the cooperation of the air inlets 5, the filter screens 6 and the exhaust fan 7, the ventilation in the cabinet body 1 can be increased, the temperature in the cabinet body 1 is reduced, and the air flowing into the cabinet body 1 can be dedusted to prevent dust from entering the cabinet body 1.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an explosion-proof high tension switchgear, includes cabinet body (1) and cabinet door (2), its characterized in that: the cabinet door (2) is rotatably arranged on the cabinet body (1), a pressure relief mechanism is arranged at the top of the cabinet body (1), the pressure relief mechanism comprises a sliding rod (8), a cover plate (9) and an elastic component (10), a gas leakage hole is formed in the top of the cabinet body (1), a plurality of sliding rods (8) are arranged on the periphery of the gas leakage hole, and the sliding rods (8) are fixedly connected with the top of the cabinet body (1); the cover plate (9) is positioned right above the air leakage hole and is matched with the air leakage hole; the top end of the sliding rod (8) penetrates through the cover plate (9) and is fixedly provided with a stop block, an elastic component (10) is sleeved on the sliding rod (8) between the stop block and the cover plate (9), and in an initial state, the cover plate (9) is attached to the air leakage hole under the action of the elastic component (10); the cabinet is characterized in that a movable plate (11) is transversely arranged in the cabinet body (1), the movable plate (11) is in transmission connection with a lifting mechanism, a reciprocating mechanism is arranged on the inner side face of the movable plate (11), an alarm (22) is fixedly arranged at the output end of the reciprocating mechanism, a temperature sensor (23) is fixedly arranged above the alarm (22), the detection end of the temperature sensor (23) is far away from the cabinet door (2), a controller (12) is fixedly arranged on the outer side face of the movable plate (11), position sensors (13) are fixedly arranged at the upper end and the lower end of the controller (12), the controller (12) is respectively connected with the position sensors (13) and the lifting mechanism, and the alarm (22) is connected with the temperature sensor (23).
2. An explosion-proof high voltage switchgear as claimed in claim 1, wherein: elevating system includes screw rod (14), actuating mechanism and gag lever post (24), be equipped with screw rod (14) and gag lever post (24) along horizontal interval in cabinet body (1), and screw rod (14) rotate and install in one side of cabinet body (1), gag lever post (24) fixed mounting is on the opposite side of cabinet body (1), the both ends of movable plate (11) are respectively the suit on screw rod (14) and gag lever post (24), and movable plate (11) and screw rod (14) threaded connection, movable plate (11) and gag lever post (24) sliding connection, the both ends transmission of screw rod (14) is connected with actuating mechanism.
3. An explosion-proof high voltage switchgear as claimed in claim 2, wherein: the driving mechanism comprises a first belt pulley (15), a V-shaped belt (16), a second belt pulley (17) and a motor (18), wherein the first belt pulley (15) in the driving mechanism is respectively and fixedly installed at two ends of a screw (14), the motor (18) in the driving mechanism is respectively and fixedly installed on the upper inner wall and the lower inner wall of the cabinet body (1), the end part of an output shaft of the motor (18) is fixedly provided with the second belt pulley (17), and the first belt pulley (15) and the second belt pulley (17) which are positioned at the same side are in transmission connection through the V-shaped belt (16).
4. An explosion-proof high voltage switchgear as claimed in claim 1, wherein: the reciprocating mechanism comprises a motor (19), two rotating wheels (20) and a conveyor belt (21), wherein the rotating wheels (20) are symmetrically arranged at two ends of the moving plate (11) in a transverse rotating mode, the two rotating wheels (20) are connected through the conveyor belt (21) in a transmission mode, the motor (19) is fixedly arranged on the outer side face of the moving plate (11), the end portion of an output shaft of the motor (19) penetrates through the moving plate (11) and is fixedly connected with one of the rotating wheels (20), and the alarm (22) is fixedly arranged on the conveyor belt (21).
5. An explosion-proof high voltage switchgear as claimed in claim 1, wherein: the cabinet door (2) is fixedly provided with an observation window (3), the observation window (3) is made of explosion-proof glass, and the cabinet door (2) is fixedly provided with a handle (4).
6. An explosion-proof high voltage switchgear as claimed in claim 1, wherein: air inlets (5) are symmetrically formed in two sides of the cabinet body (1), filter screens (6) are symmetrically arranged in the cabinet body (1), the filter screens (6) are respectively and fixedly arranged on the two air inlets (5) and cover the air inlets (5), and an exhaust fan (7) is fixedly arranged at the bottom of the cabinet body (1).
7. An explosion-proof high voltage switchgear as claimed in claim 1, wherein: the impact force generated when the inside of the cabinet body (1) explodes is larger than the downward pressure of the elastic component (10) to the cover plate (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321173047.9U CN219801668U (en) | 2023-05-16 | 2023-05-16 | Explosion-proof high-voltage switch cabinet that fires |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321173047.9U CN219801668U (en) | 2023-05-16 | 2023-05-16 | Explosion-proof high-voltage switch cabinet that fires |
Publications (1)
Publication Number | Publication Date |
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CN219801668U true CN219801668U (en) | 2023-10-03 |
Family
ID=88186331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321173047.9U Active CN219801668U (en) | 2023-05-16 | 2023-05-16 | Explosion-proof high-voltage switch cabinet that fires |
Country Status (1)
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CN (1) | CN219801668U (en) |
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2023
- 2023-05-16 CN CN202321173047.9U patent/CN219801668U/en active Active
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