CN216600431U - Positive pressure type explosion-proof electrical cabinet with automatic fire extinguishing function - Google Patents
Positive pressure type explosion-proof electrical cabinet with automatic fire extinguishing function Download PDFInfo
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- CN216600431U CN216600431U CN202123274653.3U CN202123274653U CN216600431U CN 216600431 U CN216600431 U CN 216600431U CN 202123274653 U CN202123274653 U CN 202123274653U CN 216600431 U CN216600431 U CN 216600431U
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Abstract
The utility model discloses a positive pressure type explosion-proof electrical cabinet with automatic function of putting out a fire relates to positive pressure type explosion-proof electrical cabinet technical field, and when the air supply for solving current positive pressure explosion-proof electrical control cabinet broke down, pressure low or decompression situation crossed can appear in inside, makes explosion-proof cabinet be in dangerous condition, the problem of the internal combustion phenomenon easily takes place when serious. Install sealed cabinet door on the preceding terminal surface of malleation explosion-proof regulator cubicle main part, audible-visual annunciator is installed to the upper end of malleation explosion-proof regulator cubicle main part, extreme value relief valve is installed to one side of malleation explosion-proof regulator cubicle main part upper end, the opposite side of malleation explosion-proof regulator cubicle main part upper end is installed and is advanced gas pressure-compensating valve, install component installation crossbearer on the inner wall of malleation explosion-proof regulator cubicle main part, and component installation crossbearer is provided with five, smoke transducer is installed to the inside upper end of malleation explosion-proof regulator cubicle main part, one side of smoke transducer is provided with the temperature-sensing ware.
Description
Technical Field
The utility model relates to an explosion-proof regulator cubicle technical field of positive pressure type specifically is an explosion-proof regulator cubicle of positive pressure type with automatic function of putting out a fire.
Background
The positive pressure explosion-proof electrical control cabinet refers to the principle that the pressure of protective gas in a positive pressure shell is higher than the external atmospheric pressure, and can effectively prevent external explosive gas from entering the shell or dilute the concentration of the explosive gas released by the shell below the explosion limit. The method mainly comprises a positive pressure ventilation type and a positive pressure compensation type. The principle of the positive pressure ventilation type is that protective gas permanently flows through the positive pressure shell and always keeps the same flow, so that the pressure of the positive pressure shell is kept in a normal pressure range. However, the positive pressure compensation type does not require continuous ventilation, the pressure of the positive pressure housing is detected by the control system at variable times, and the inflow and outflow of the protective gas are effectively controlled by the electromagnetic valve.
However, when the air source of the existing positive-pressure explosion-proof electrical control cabinet fails, the internal part of the cabinet can be in a state of over-low pressure or no pressure, so that the explosion-proof cabinet is in a dangerous state, and the internal combustion phenomenon is easy to occur in serious cases.
We propose a positive pressure type explosion-proof electrical cabinet with an automatic fire extinguishing function so as to solve the problems proposed in the above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an explosion-proof regulator cubicle of positive pressure type with automatic function of putting out a fire to when solving the air supply of the explosion-proof electrical control cabinet of current malleation that proposes in the above-mentioned background art and breaking down, pressure low or decompression situation excessively can appear in inside, makes explosion-proof cabinet be in dangerous condition, the problem of the internal combustion phenomenon easily takes place when serious.
In order to achieve the above purpose, the utility model provides a following technical scheme: a positive pressure type explosion-proof electrical cabinet with an automatic fire extinguishing function comprises a main body of the positive pressure explosion-proof electrical cabinet, a sealing cabinet door is arranged on the front end face of the main body of the positive pressure explosion-proof electrical cabinet, an audible and visual alarm is arranged at the upper end of the main body of the positive pressure explosion-proof electrical cabinet, an extreme value relief valve is installed on one side of the upper end of the positive pressure explosion-proof electrical cabinet main body, an air inlet pressure supplementing valve is installed on the other side of the upper end of the positive pressure explosion-proof electrical cabinet main body, an element installation cross frame is installed on the inner wall of the positive pressure explosion-proof electrical cabinet main body, and five element mounting cross frames are arranged, the upper end in the main body of the positive pressure explosion-proof electrical cabinet is provided with a smoke sensor, a temperature sensor is arranged on one side of the smoke sensor, a central air exhaust hole is arranged at the rear end of the main body of the positive pressure explosion-proof electrical cabinet, the rear end of the central air suction hole is provided with a central communicating seat, and the rear end of the central communicating seat is provided with a vacuum pump connecting pipe.
Preferably, flame sensors are mounted at four corners inside the main body of the positive-pressure explosion-proof electrical cabinet.
Preferably, four shunting exhaust holes are formed in the periphery of the rear end face of the main body of the positive-pressure explosion-proof electrical cabinet and communicated with the center communicating seat through communicating pipes.
Preferably, one side of the sealing cabinet door is rotatably connected with the positive-pressure explosion-proof electrical cabinet main body through a hinge, and the other side of the sealing cabinet door is in locking connection with the positive-pressure explosion-proof electrical cabinet main body through a bounce lock.
Preferably, the positive pressure controller is installed to the front end of sealed cabinet door, the below of positive pressure controller is provided with explosion-proof button, and explosion-proof button is provided with a plurality ofly.
Preferably, the two sides of the positive-pressure explosion-proof electrical cabinet main body are both provided with lifting handles, and the lifting handles are connected with the positive-pressure explosion-proof electrical cabinet main body in a welding manner.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a set up smoke transducer, temperature-sensing ware and four groups flame sensor in the explosion-proof regulator cubicle of malleation, simultaneously at cabinet rear end face installation evacuation subassembly, when the air supply of the cabinet body breaks down, lead to the internal component to break off, when the spontaneous combustion phenomenon takes place, temperature-sensing ware can respond to the temperature variation in the cabinet, flame sensor can detect to the fire source production site, smoke transducer can detect the burning flue gas, any one of the three is in normal operating condition, all can detect the cabinet body is unusual, simultaneously send the detected signal to the controller, drive the operation of evacuation pump, by central aspirating hole and reposition of redundant personnel aspirating hole all around, make the interior anaerobic environment that becomes rapidly of cabinet, reach the effect of extinguishing the fire source, triple insurance, the security that the apparent promotion cabinet body used, when having solved the air supply of the explosion-proof electrical control cubicle of malleation and has broken down, the internal part can appear the pressure and hang down or the decompression situation, makes explosion-proof cabinet be in dangerous state, easily takes place the problem of internal combustion phenomenon when serious.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the back structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
in the figure: 1. a positive pressure explosion-proof electrical cabinet main body; 2. lifting the handle; 3. sealing the cabinet door; 4. a bounce lock; 5. a positive pressure controller; 6. a hinge; 7. an explosion-proof button; 8. an audible and visual alarm; 9. an air inlet pressure compensating valve; 10. an extreme value pressure relief valve; 11. a central communicating base; 12. a communicating pipe; 13. a flow dividing exhaust hole; 14. a central air extraction hole; 15. a component mounting cross frame; 16. a temperature sensor; 17. a smoke sensor; 18. a flame sensor; 19. and a vacuum pump connecting pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the present invention provides an embodiment: a positive pressure type explosion-proof electrical cabinet with an automatic fire extinguishing function comprises a positive pressure explosion-proof electrical cabinet main body 1, a sealing cabinet door 3 is arranged on the front end face of the positive pressure explosion-proof electrical cabinet main body 1, an audible and visual alarm 8 is arranged at the upper end of the positive pressure explosion-proof electrical cabinet main body 1, an extreme value relief valve 10 is arranged at one side of the upper end of the positive pressure explosion-proof electrical cabinet main body 1, an air inlet pressure supplementing valve 9 is arranged at the other side of the upper end of the positive pressure explosion-proof electrical cabinet main body 1, an element mounting cross frame 15 is arranged on the inner wall of the positive pressure explosion-proof electrical cabinet main body 1, and the number of the element mounting cross frames 15 is five, a smoke sensor 17 is mounted at the upper end inside the positive-pressure explosion-proof electrical cabinet main body 1, a temperature sensor 16 is arranged on one side of the smoke sensor 17, a central air suction hole 14 is formed in the rear end of the positive-pressure explosion-proof electrical cabinet main body 1, a central communicating base 11 is mounted at the rear end of the central air suction hole 14, and a vacuum pump connecting pipe 19 is mounted at the rear end of the central communicating base 11.
Further, flame sensor 18 is all installed in the inside four corners of malleation explosion-proof regulator cubicle main part 1, and when spontaneous combustion produced flame in the cabinet, flame sensor 18 can discover the burning things which may cause a fire disaster fast, and the while sends signal to cabinet body control ware, drives audible-visual annunciator 8 and evacuation pump operation, makes to become the anaerobic environment in the cabinet rapidly, reaches the effect of extinguishing the burning things which may cause a fire disaster.
Further, the shunting exhaust holes 13 are formed in the periphery of the rear end face of the positive-pressure explosion-proof electric cabinet main body 1, the shunting exhaust holes 13 are four, the four shunting exhaust holes 13 are communicated with the central communicating seat 11 through communicating pipes 12, the shunting exhaust holes 13 are arranged, air in the cabinet can be sucked from multiple regions simultaneously, and the vacuumizing efficiency is improved.
Further, one side of the sealing cabinet door 3 is rotatably connected with the positive-pressure explosion-proof electric cabinet main body 1 through a hinge 6, the other side of the sealing cabinet door 3 is connected with the positive-pressure explosion-proof electric cabinet main body 1 through a bounce lock 4 in a locking mode, and the sealing cabinet door 3 is opened and closed in a hinge 6 mode, so that the sealing cabinet door is convenient and fast to use.
Further, a positive pressure controller 5 is installed at the front end of the sealing cabinet door 3, an explosion-proof button 7 is arranged below the positive pressure controller 5, the explosion-proof buttons 7 are arranged in a plurality of numbers, and the positive pressure controller 5 can complete wiring work of a positive pressure system of the cabinet body.
Further, the lifting handles 2 are installed on two sides of the positive-pressure explosion-proof electrical cabinet main body 1, the lifting handles 2 are connected with the positive-pressure explosion-proof electrical cabinet main body 1 in a welded mode, and the lifting handles 2 can improve the moving performance of the positive-pressure explosion-proof electrical cabinet main body 1.
The working principle is as follows: when in use, the cabinet body is controlled by the positive pressure controller 5 to operate the positive pressure system, the air inlet pressure supplementing valve 9 and the extreme value pressure relief valve 10 are matched with an external pipeline system to cooperate with a pressure sensor on the pipeline system to realize the detection control of the pressure in the cabinet, the cabinet is internally provided with a smoke sensor 17, a temperature sensor 16 and four groups of flame sensors 18, when the air source of the cabinet body has a fault, the interior of the cabinet body is in a dangerous environment, elements are easy to break and can generate a spontaneous combustion phenomenon seriously, the temperature sensor 16 can sense the temperature change in the cabinet, the flame sensors 18 can detect the fire source generation sites, the smoke sensor 17 can detect the combustion smoke, any one of the three is in a normal working state, the abnormal state of the cabinet body can be detected, meanwhile, a detection signal is sent to the controller to drive the vacuum pump to operate, and the central air exhaust hole 14 and the peripheral air exhaust shunting holes 13, the interior of the cabinet is rapidly changed into an anaerobic environment, and the effect of extinguishing the fire source is achieved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a positive pressure type explosion-proof regulator cubicle with automatic function of putting out a fire, includes explosion-proof regulator cubicle main part of positive pressure (1), its characterized in that: the explosion-proof electrical cabinet is characterized in that a sealing cabinet door (3) is installed on the front end face of the positive-pressure explosion-proof electrical cabinet main body (1), an audible and visual alarm (8) is installed at the upper end of the positive-pressure explosion-proof electrical cabinet main body (1), an extreme pressure relief valve (10) is installed on one side of the upper end of the positive-pressure explosion-proof electrical cabinet main body (1), an air inlet pressure supplementing valve (9) is installed on the other side of the upper end of the positive-pressure explosion-proof electrical cabinet main body (1), element installation cross frames (15) are installed on the inner wall of the positive-pressure explosion-proof electrical cabinet main body (1), five element installation cross frames (15) are arranged on the element installation cross frames (15), a smoke sensor (17) is installed at the upper end inside the positive-pressure explosion-proof electrical cabinet main body (1), a temperature sensor (16) is arranged on one side of the smoke sensor (17), a central air exhaust hole (14) is arranged at the rear end of the positive-pressure explosion-proof electrical cabinet main body (1), a central communicating seat (11) is installed at the rear end of the central air exhaust hole (14), and a vacuum pump connecting pipe (19) is arranged at the rear end of the central communicating seat (11).
2. The positive pressure type explosion-proof electrical cabinet with automatic fire extinguishing function according to claim 1, characterized in that: flame sensors (18) are arranged at four corners inside the positive-pressure explosion-proof electrical cabinet main body (1).
3. The positive pressure type explosion-proof electrical cabinet with automatic fire extinguishing function according to claim 1, characterized in that: the periphery of the rear end face of the positive-pressure explosion-proof electrical cabinet main body (1) is provided with four shunting air exhaust holes (13), and the four shunting air exhaust holes (13) are communicated with a central communication seat (11) through communication pipes (12).
4. The positive pressure type explosion-proof electrical cabinet with the automatic fire extinguishing function according to claim 1, characterized in that: one side of the sealing cabinet door (3) is rotatably connected with the positive-pressure explosion-proof electric cabinet main body (1) through a hinge (6), and the other side of the sealing cabinet door (3) is in locking connection with the positive-pressure explosion-proof electric cabinet main body (1) through a bounce lock (4).
5. The positive pressure type explosion-proof electrical cabinet with the automatic fire extinguishing function according to claim 1, characterized in that: malleation controller (5) are installed to the front end of sealed cabinet door (3), the below of malleation controller (5) is provided with explosion-proof button (7), and explosion-proof button (7) are provided with a plurality ofly.
6. The positive pressure type explosion-proof electrical cabinet with the automatic fire extinguishing function according to claim 1, characterized in that: the positive pressure explosion-proof electrical cabinet is characterized in that lifting handles (2) are mounted on two sides of the positive pressure explosion-proof electrical cabinet main body (1), and the lifting handles (2) are connected with the positive pressure explosion-proof electrical cabinet main body (1) in a welded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123274653.3U CN216600431U (en) | 2021-12-23 | 2021-12-23 | Positive pressure type explosion-proof electrical cabinet with automatic fire extinguishing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123274653.3U CN216600431U (en) | 2021-12-23 | 2021-12-23 | Positive pressure type explosion-proof electrical cabinet with automatic fire extinguishing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216600431U true CN216600431U (en) | 2022-05-24 |
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ID=81617416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123274653.3U Active CN216600431U (en) | 2021-12-23 | 2021-12-23 | Positive pressure type explosion-proof electrical cabinet with automatic fire extinguishing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216600431U (en) |
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2021
- 2021-12-23 CN CN202123274653.3U patent/CN216600431U/en active Active
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