CN205015655U - A fuel detonation suppressant system for low pressure regulator cubicle - Google Patents
A fuel detonation suppressant system for low pressure regulator cubicle Download PDFInfo
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- CN205015655U CN205015655U CN201520514551.XU CN201520514551U CN205015655U CN 205015655 U CN205015655 U CN 205015655U CN 201520514551 U CN201520514551 U CN 201520514551U CN 205015655 U CN205015655 U CN 205015655U
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- pressure electric
- way throttle
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Abstract
The utility model discloses a fuel detonation suppressant system for low pressure regulator cubicle, a serial communication port, including controller, power, the electric group of low pressure, electromagnetism air bleeding valve, electromagnetism scavenging valve, gas accuse air bleeding valve, shuttle valve, the controller pass through the cable with the power is connected, the controller respectively through the cable with the electric group of low pressure the electromagnetism air bleeding valve the electromagnetism scavenging valve is connected, the electromagnetism air bleeding valve with gas accuse air bleeding valve is linked together, gas accuse air bleeding valve with the electric group of low pressure is linked together, the electric group of low pressure with the shuttle valve is linked together, the shuttle valve with the electromagnetism scavenging valve is linked together. The utility model discloses a power break -make of control low pressure regulator cubicle lets in protective gas to the low pressure regulator cubicle, and electrical equipment's safe operation is protected effectively to discharge hazardous gas, has simple structure, safe and reliable, advantage that the practicality is strong.
Description
Technical field
The utility model relates to a kind of explosion protection system for low-pressure electric cabinet, belongs to technical field of electric automation.
Background technology
China's industrialization development is swift and violent, demand for the energy, mineral products is increasingly vigorous, but still can frequently run into a large amount of inflammable gass in Machine automated mining process, once mishandling generation spontaneous combustion, safety hazard for electrical control equipment is very big, is therefore necessary to provide a kind of safe and reliable Explosion-proof Design to prevent trouble before it happens.
Utility model content
The purpose of this utility model is the defect overcoming prior art existence, provides a kind of explosion protection system for low-pressure electric cabinet.
The utility model adopts following technical scheme: a kind of explosion protection system for low-pressure electric cabinet, it is characterized in that, comprise controller, power supply, low-voltage electrical group, electromagnetic exhaust valve, electromagnetism scavenging air valve, gas control vent valve, shuttle valve, described controller is connected with described power supply by cable, described controller is respectively by cable and described low-voltage electrical group, described electromagnetic exhaust valve, described electromagnetism scavenging air valve is connected, described electromagnetic exhaust valve is connected with described gas control vent valve, described gas control vent valve is connected with described low-voltage electrical group, described low-voltage electrical group is connected with described shuttle valve, described shuttle valve is connected with described electromagnetism scavenging air valve.
Preferably; low-voltage electrical group comprises the first low-pressure electric cabinet, the second low-pressure electric cabinet, the 3rd low-pressure electric cabinet; shuttle valve comprises the first shuttle valve, the second shuttle valve, the 3rd shuttle valve; first shuttle valve is connected with the first low-pressure electric cabinet; second shuttle valve is connected with the second low-pressure electric cabinet; 3rd shuttle valve is connected with the 3rd low-pressure electric cabinet, and shuttle valve is used for low-voltage electrical group input protection gas.
Preferably, gas control vent valve is connected with the first low-pressure electric cabinet, the second low-pressure electric cabinet, the 3rd low-pressure electric cabinet respectively, is used for the hazardous gas in low-voltage electrical group to discharge.
Preferably, the external one-way throttle valve of shuttle valve, be used for the hypotony in low-pressure electric cabinet time, then inflated to low-pressure electric cabinet by one-way throttle valve, compensate leak blanket gas.
Preferably, one-way throttle valve comprises the first one-way throttle valve, the second one-way throttle valve, the 3rd one-way throttle valve, first one-way throttle valve is connected with the first shuttle valve, and the second one-way throttle valve is connected with the second shuttle valve, and the first one-way throttle valve is connected with the second shuttle valve.
Preferably, one-way throttle valve is connected with electromagnetic exhaust valve, and electromagnetic exhaust valve controls the opening and closing of one-way throttle valve.
Preferably, between one-way throttle valve and electromagnetic exhaust valve, be also provided with filtering pressure reducing valve, be used for control be filled with in one-way throttle valve blanket gas number.
The beneficial effect that the utility model reaches: the utility model is by controlling the on/off of low-pressure electric cabinet; blanket gas is passed into low-pressure electric cabinet; discharge hazardous gas, effectively protect the safe operation of electrical equipment, there is the advantage that structure is simple, safe and reliable, practical.
Accompanying drawing explanation
Fig. 1 is connection schematic diagram of the present utility model.
The implication marked in figure: 1-controller, 2-power supply, 3-low-voltage electrical group, 31-first low-pressure electric cabinet, 32-second low-pressure electric cabinet, 33-the 3rd low-pressure electric cabinet, 4-electromagnetic exhaust valve, 5-gas control vent valve, 61-first shuttle valve, 62-second shuttle valve, 63-the 3rd shuttle valve, 71-first one-way throttle valve, 72-second one-way throttle valve, 73-the 3rd one-way throttle valve, 8-filtering pressure reducing valve, 9-electromagnetism scavenging air valve.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
Fig. 1 is connection schematic diagram of the present utility model, the utility model proposes a kind of explosion protection system for low-pressure electric cabinet, comprise controller 1, power supply 2, low-voltage electrical group 3, electromagnetic exhaust valve 4, electromagnetism scavenging air valve 9, gas control vent valve 5, shuttle valve, controller 1 is connected with power supply 2 by cable, controller 1 is respectively by cable and low-voltage electrical group 3, electromagnetic exhaust valve 4, electromagnetism scavenging air valve 9 is connected, electromagnetic exhaust valve 4 is connected with gas control vent valve 5, gas control vent valve is connected with low-voltage electrical group 3, low-voltage electrical group 3 is connected with shuttle valve, shuttle valve is connected with electromagnetism scavenging air valve 9.
Low-voltage electrical group 3 comprises the first low-pressure electric cabinet 31, second low-pressure electric cabinet 32, the 3rd low-pressure electric cabinet 33, shuttle valve comprises the first shuttle valve 61, second shuttle valve 62, the 3rd shuttle valve 63, first shuttle valve 61 is connected with the first low-pressure electric cabinet 31, second shuttle valve 62 is connected with the second low-pressure electric cabinet 32,3rd shuttle valve 63 is connected with the 3rd low-pressure electric cabinet 33, and shuttle valve is used for low-voltage electrical group 3 input protection gas; Gas control vent valve 5 is connected with the first low-pressure electric cabinet 31, second low-pressure electric cabinet 32, the 3rd low-pressure electric cabinet 33 respectively, is used for the hazardous gas in low-voltage electrical group 3 to discharge.
The external one-way throttle valve of shuttle valve, be used for the hypotony in low-pressure electric cabinet time, then inflated to low-pressure electric cabinet by one-way throttle valve, compensate leak blanket gas.
One-way throttle valve comprises the first one-way throttle valve 71, second one-way throttle valve 72, the 3rd one-way throttle valve 73, first one-way throttle valve 71 is connected with the first shuttle valve 61, second one-way throttle valve 72 is connected with the second shuttle valve 62, and the 3rd one-way throttle valve 73 is connected with the 3rd shuttle valve 63.
One-way throttle valve is connected with electromagnetic exhaust valve 4, and electromagnetic exhaust valve 4 controls the opening and closing of one-way throttle valve.
Also be provided with filtering pressure reducing valve 8 between one-way throttle valve and electromagnetic exhaust valve 4, be used for control be filled with in one-way throttle valve blanket gas number.
Principle of work of the present utility model: start explosion protection system, controller 1 sets presets working time, low-voltage electrical group 3 power-off, opens electromagnetism scavenging air valve 9 and the electromagnetic exhaust valve 4 of purging, is controlled the gas displacement of gas control vent valve 5 by electromagnetic exhaust valve 4 simultaneously; After electromagnetism scavenging air valve 9 is opened, blanket gas enters low-voltage electrical group 3 by shuttle valve, and hazardous gas is got rid of from gas control vent valve 5, thus the hazardous gas that may exist in dilution low-pressure electric cabinet; Preset after working time, electromagnetism scavenging air valve 9 and electromagnetic exhaust valve 4 are closed, and gas control vent valve 5 is closed, and controller 1 controls low-voltage electrical group 3 and to be automatically energized operation; If the hypotony in low-pressure electric cabinet, then inflated to low-pressure electric cabinet by one-way throttle valve, compensate the blanket gas leaked.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and distortion, these improve and distortion also should be considered as protection domain of the present utility model.
Claims (7)
1. the explosion protection system for low-pressure electric cabinet, it is characterized in that, comprise controller (1), power supply (2), low-voltage electrical group (3), electromagnetic exhaust valve (4), electromagnetism scavenging air valve (9), gas control vent valve (5), shuttle valve, described controller (1) is connected with described power supply (2) by cable, described controller (1) is respectively by cable and described low-voltage electrical group (3), described electromagnetic exhaust valve (4), described electromagnetism scavenging air valve (9) is connected, described electromagnetic exhaust valve (4) is connected with described gas control vent valve (5), described gas control vent valve (5) is connected with described low-voltage electrical group (3), described low-voltage electrical group (3) is connected with described shuttle valve, described shuttle valve is connected with described electromagnetism scavenging air valve (9).
2. a kind of explosion protection system for low-pressure electric cabinet according to claim 1, it is characterized in that, described low-voltage electrical group (3) comprises the first low-pressure electric cabinet (31), second low-pressure electric cabinet (32), 3rd low-pressure electric cabinet (33), described shuttle valve comprises the first shuttle valve (61), second shuttle valve (62), 3rd shuttle valve (63), described first shuttle valve (61) is connected with described first low-pressure electric cabinet (31), described second shuttle valve (62) is connected with described second low-pressure electric cabinet (32), described 3rd shuttle valve (63) is connected with described 3rd low-pressure electric cabinet (33), described shuttle valve is used for low-voltage electrical group (3) input protection gas.
3. a kind of explosion protection system for low-pressure electric cabinet according to claim 2, it is characterized in that, described gas control vent valve (5) is connected with described first low-pressure electric cabinet (31), described second low-pressure electric cabinet (32), described 3rd low-pressure electric cabinet (33) respectively, is used for the hazardous gas in low-voltage electrical group (3) to discharge.
4. a kind of explosion protection system for low-pressure electric cabinet according to claim 3; it is characterized in that, the external one-way throttle valve of described shuttle valve, be used for the hypotony in low-pressure electric cabinet time; then inflated to low-pressure electric cabinet by one-way throttle valve, compensate the blanket gas leaked.
5. a kind of explosion protection system for low-pressure electric cabinet according to claim 4, it is characterized in that, described one-way throttle valve comprises the first one-way throttle valve (71), the second one-way throttle valve (72), the 3rd one-way throttle valve (73), described first one-way throttle valve (71) is connected with described first shuttle valve (61), described second one-way throttle valve (72) is connected with described second shuttle valve (62), and described 3rd one-way throttle valve (73) is connected with described 3rd shuttle valve (63).
6. a kind of explosion protection system for low-pressure electric cabinet according to claim 5, is characterized in that, described one-way throttle valve is connected with described electromagnetic exhaust valve (4), and described electromagnetic exhaust valve (4) controls the opening and closing of one-way throttle valve.
7. a kind of explosion protection system for low-pressure electric cabinet according to claim 6; it is characterized in that; also be provided with filtering pressure reducing valve (8) between described one-way throttle valve and described electromagnetic exhaust valve (4), be used for control be filled with in one-way throttle valve blanket gas number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520514551.XU CN205015655U (en) | 2015-07-15 | 2015-07-15 | A fuel detonation suppressant system for low pressure regulator cubicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520514551.XU CN205015655U (en) | 2015-07-15 | 2015-07-15 | A fuel detonation suppressant system for low pressure regulator cubicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205015655U true CN205015655U (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520514551.XU Active CN205015655U (en) | 2015-07-15 | 2015-07-15 | A fuel detonation suppressant system for low pressure regulator cubicle |
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| Country | Link |
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| CN (1) | CN205015655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758344A (en) * | 2018-05-31 | 2018-11-06 | 二工防爆科技股份有限公司 | A kind of exhaust apparatus for explosion-proof positive pressure cabinet |
-
2015
- 2015-07-15 CN CN201520514551.XU patent/CN205015655U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758344A (en) * | 2018-05-31 | 2018-11-06 | 二工防爆科技股份有限公司 | A kind of exhaust apparatus for explosion-proof positive pressure cabinet |
| CN108758344B (en) * | 2018-05-31 | 2020-03-27 | 二工防爆科技股份有限公司 | Exhaust device for explosion-proof positive pressure cabinet |
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