CN211289543U - Intelligent positive pressure explosion-proof system - Google Patents
Intelligent positive pressure explosion-proof system Download PDFInfo
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- CN211289543U CN211289543U CN201921992772.2U CN201921992772U CN211289543U CN 211289543 U CN211289543 U CN 211289543U CN 201921992772 U CN201921992772 U CN 201921992772U CN 211289543 U CN211289543 U CN 211289543U
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Abstract
The utility model provides an intelligent positive pressure explosion-proof system, which comprises a box body, a main switch, a sealing door, a door lock, a control computer, an electric control cabinet, an air pressure detector, an air supply mechanism, an exhaust box, a check valve, an exhaust fan, an alarm, a pressure relief valve and an observation window, wherein the air supply mechanism, the check valve, the exhaust fan and the air pressure detector are arranged, the air pump is used as a power source to continuously convey helium to the inside of the control cabinet, effectively control the air input of the helium and the secondary use of the helium, the check valve and the exhaust fan are opened, the exhaust amount of the exhaust fan is slightly smaller than the air input of the air supply system, so that positive pressure is formed in the box body, the original gas of the box body is exhausted, new gas helium is replaced, the mixed gas in the box body is effectively emptied, the normal pressure is between 50Pa and 100Pa, the accident caused by the change of air pressure and the entrance of air is avoided, and the safety of the equipment is effectively improved.
Description
Technical Field
The utility model belongs to the technical field of the malleation is explosion-proof, especially, relate to an intelligent malleation explosion-proof system.
Background
The explosion-proof principle of the positive pressure type explosion-proof power distribution cabinet mainly adopts an explosion-proof measure of a medium isolation ignition source to install all electrical components of a user in a pressure relief shell filled with a pressure clean medium, so that flammable and explosive mixed gas in the external environment cannot contact electric sparks or dangerous temperatures generated when the electrical components normally work, and the aim of explosion prevention of the electrical equipment is fulfilled.
The prior art lacks intelligent malleation explosion-proof system, can not strictly control the air input of inert gas helium, leads to extravagant easily, increases the running cost, and the gas mixture exhaust effect is poor in the box, lacks real-time detection device, reduces the problem of equipment security.
Therefore, it is very necessary to invent an intelligent positive pressure explosion-proof system.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an explosion-proof system of intelligent malleation to solve prior art and lack the explosion-proof system of intelligent malleation, the air input of inert gas helium can not the close check leads to extravagantly easily, increases the running cost, and the gas mixture discharge effect is poor in the box, lacks real-time detection device, reduces the problem of equipment security. An intelligent positive-pressure explosion-proof system comprises a box body, a main switch, a sealing door, a door lock, a control computer, an electric control cabinet, an air pressure detector, an air supply mechanism, an exhaust box, a check valve, an exhaust fan, an alarm, a pressure release valve and an observation window, wherein the main switch is fixed below the left side of the box body through a bolt; the sealing door is fixed in front of the box body through a hinge; the door lock is fixed in the middle of the right side of the sealing door through a bolt; the control computer is fixed in the middle of the right side of the box body through a bolt; the electric control cabinet is fixed on the right side of the box body through a bolt and is positioned above the control computer; the air pressure detector is fixed on the right side of the box body through bolts, penetrates into the box body and is positioned above the electric control cabinet; the gas supply mechanism is fixed above the left side of the box body through a bolt; the exhaust box is fixed on the left side in the box body through a bolt; the check valve is fixed above the right side of the box body through bolts and penetrates into the box body; the exhaust fan is fixed on the right side of the check valve through threads; the alarm is fixed above the box body through bolts; the pressure release valve is fixed above the box body through a bolt and is positioned on the left side of the alarm; the observation window is arranged above the sealing door and penetrates through the sealing door.
The gas supply mechanism comprises a helium tank, a gas pump, a first pipeline, a control valve, an overflow valve and a second pipeline, and the gas pump is fixed above the helium tank through bolts; one end of the first pipeline is fixed at the air outlet of the air pump through a hoop, and the other end of the first pipeline is fixed at the air inlet of the exhaust box through the hoop; the control valve is fixed on the first pipeline through threads; the overflow valve is fixed at the air outlet of the air pump through threads; and one end of the second pipeline is fixed with the overflow valve through a hoop, and the other end of the second pipeline is connected with an air inlet of the helium tank through the hoop.
The door lock is MS307 type; the air pressure detector is connected with the electric control cabinet and the control computer through wires and adopts a YZ1301 type; the check valve is connected with the electric control cabinet and the control computer through a lead and is D1029 type; the exhaust fan is connected with the electric control cabinet and the control computer through wires and is in a DPT10-20A type; the alarm is connected with the electric control cabinet and the control computer through wires, and is in an LTE-1101J type; the pressure release valve is of an AFR2000 type.
The helium tank is made of tinplate; the air pump is connected with the electric control cabinet and the control computer through a lead, and an FUJ-PCV type is selected; the overflow valve is of a DG-02 type.
The exhaust box is rectangular and made of stainless steel with the thickness of 2-3mm, a plurality of vent holes are formed in the right side of the exhaust box, and an air inlet is formed in the left side of the exhaust box; the observation window adopts transparent ya keli material.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a setting of air feed mechanism, helium tank are used for loading the helium, and the air pump is continuous to the inside transport of switch board with the helium as the power supply, and gets into the quantity of box through the control valve control helium, and the overflow valve carries the helium of unnecessary output again to helium tank continuation use, and the air input of effectual control helium and the secondary use of helium practice thrift certain cost.
2. The utility model discloses a setting of check valve and air discharge fan, equipment make air feed mechanism move, and check valve and air discharge fan are opened, and the air discharge fan discharge amount slightly is less than air supply system's air input, make the internal malleation that forms of box, because air feed mechanism carries out the air feed from one side of box, the air discharge fan setting is at the object, compels the effect in pressure, with the original gas outgoing of box, changes new gaseous helium, the effectual mixed gas evacuation in with the box.
3. The utility model discloses a setting of atmospheric pressure detector detects the inside pressure of box and atmospheric pressure, belongs to normal pressure when pressure between 50Pa-100Pa, and equipment adjusts through the control computer when atmospheric pressure changes, closes master switch through the control computer when surpassing the range of variation, avoids atmospheric pressure to change gaseous entering emergence accident, the effectual security that improves equipment.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a schematic structural diagram of the air supply mechanism of the present invention.
In the figure:
1-box body, 2-main switch, 3-sealing door, 4-door lock, 5-control computer, 6-electric control cabinet, 7-air pressure detector, 8-air supply mechanism, 81-helium tank, 82-air pump, 83-first pipeline, 84-control valve, 85-overflow valve, 86-second pipeline, 9-exhaust tank, 10-check valve, 11-exhaust fan, 12-alarm, 13-relief valve and 14-observation window.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1 to 3
The utility model provides an intelligent positive pressure explosion-proof system, which comprises a box body 1, a main switch 2, a sealing door 3, a door lock 4, a control computer 5, an electric control cabinet 6, an air pressure detector 7, an air supply mechanism 8, an exhaust box 9, a check valve 10, an exhaust fan 11, an alarm 12, a relief valve 13 and an observation window 14, wherein the main switch 2 is fixed below the left side of the box body 1 through bolts; the sealing door 3 is fixed in front of the box body 1 through hinge; the door lock 4 is fixed in the middle of the right side of the sealing door 3 through a bolt; the control computer 5 is fixed in the middle of the right side of the box body 1 through a bolt; the electric control cabinet 6 is fixed on the right side of the box body 1 through bolts and is positioned above the control computer 5; the air pressure detector 7 is fixed on the right side of the box body 1 through bolts, penetrates into the box body 1 and is positioned above the electric control cabinet 6; the gas supply mechanism 8 is fixed above the left side of the box body 1 through bolts; the exhaust box 9 is fixed on the left side inside the box body 1 through a bolt; the check valve 10 is fixed above the right side of the box body 1 through bolts and penetrates into the box body 1; the exhaust fan 11 is fixed on the right side of the check valve 10 through threads; the alarm 12 is fixed above the box body 1 through bolts; the pressure release valve 13 is fixed above the box body 1 through a bolt and is positioned on the left side of the alarm 12; the observation window 14 is arranged above the sealing door 3 and penetrates through the sealing door 3.
The gas supply mechanism 8 comprises a helium tank 81, a gas pump 82, a first pipeline 83, a control valve 84, an overflow valve 85 and a second pipeline 86, wherein the gas pump 82 is fixed above the helium tank 81 through bolts; one end of the first pipeline 83 is fixed at the air outlet of the air pump 82 through a hoop, and the other end of the first pipeline is fixed at the air inlet of the exhaust box 9 through a hoop; the control valve 84 is fixed to the first pipe 83 by a screw; the overflow valve 85 is fixed at the air outlet of the air pump 82 through threads; one end of the second pipeline 86 is fixed with the overflow valve 85 through a hoop, and the other end of the second pipeline is connected with an air inlet of the helium tank 81 through the hoop.
The door lock 4 is MS307 type; the air pressure detector 7 is connected with the electric control cabinet 6 and the control computer 5 through wires and is of a YZ1301 type; the check valve 10 is connected with the electric control cabinet 6 and the control computer 5 through leads and adopts a D1029 type; the exhaust fan 11 is connected with the electric control cabinet 6 and the control computer 5 through wires and is of DPT10-20A type; the alarm 12 is connected with the electric control cabinet 6 and the control computer 5 through wires and is in an LTE-1101J type; the pressure release valve 13 is of an AFR2000 type.
The helium tank 81 is made of tinplate; the air pump 82 is connected with the electric control cabinet 6 and the control computer 5 through leads, and is of an FUJ-PCV type; the overflow valve 85 is of a DG-02 type.
The exhaust box 9 is rectangular and made of stainless steel with the thickness of 2-3mm, a plurality of vent holes are formed in the right side of the exhaust box, and an air inlet is formed in the left side of the exhaust box; the observation window 14 is made of transparent acrylic material.
Principle of operation
In the utility model, helium tank 81 is used for loading helium, air pump 82 is as the power supply with continuous to the inside transport of switch board with helium, and the quantity that the helium got into box 1 is controlled through control valve 84, overflow valve 85 transports the helium of unnecessary output to helium tank 81 again and continues the use, the air input of effectual control helium and the secondary use of helium, practice thrift certain cost, equipment makes air supply mechanism 8 move, check valve 10 and exhaust fan 11 open, and the exhaust fan 11 discharge capacity is slightly less than the air input of gas supply system, make the interior malleation of box 1 formation, because air supply mechanism 8 supplies air from one side of box 1, exhaust fan 11 sets up at the object, compel the effect of pressure, discharge the original gas of box 1, change new gaseous helium, the effectual gas mixture evacuation in box 1, detect the pressure and the atmospheric pressure inside box 1, when the pressure is between 50Pa and 100Pa, the equipment is regulated by the control computer 5 when the atmospheric pressure is changed, and the main switch is closed by the control computer 5 when the atmospheric pressure exceeds the change range, so that the accident caused by the change of the atmospheric pressure and the entering of gas is avoided, and the safety of the equipment is effectively improved.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (5)
1. An intelligent positive pressure explosion-proof system is characterized in that: the air pressure monitoring device comprises a box body (1), a main switch (2), a sealing door (3), a door lock (4), a control computer (5), an electric control cabinet (6), an air pressure detector (7), an air supply mechanism (8), an exhaust box (9), a check valve (10), an exhaust fan (11), an alarm (12), a pressure release valve (13) and an observation window (14), wherein the main switch (2) is fixed below the left side of the box body (1) through bolts; the sealing door (3) is fixed in front of the box body (1) through a hinge; the door lock (4) is fixed in the middle of the right side of the sealing door (3) through a bolt; the control computer (5) is fixed in the middle of the right side of the box body (1) through a bolt; the electric control cabinet (6) is fixed on the right side of the box body (1) through a bolt and is positioned above the control computer (5); the air pressure detector (7) is fixed on the right side of the box body (1) through bolts, penetrates into the box body (1), and is positioned above the electric control cabinet (6); the gas supply mechanism (8) is fixed above the left side of the box body (1) through bolts; the exhaust box (9) is fixed on the left side inside the box body (1) through a bolt; the check valve (10) is fixed above the right side of the box body (1) through bolts and penetrates into the box body (1); the exhaust fan (11) is fixed on the right side of the check valve (10) through threads; the alarm (12) is fixed above the box body (1) through bolts; the pressure release valve (13) is fixed above the box body (1) through a bolt and is positioned on the left side of the alarm (12); the observation window (14) is arranged above the sealing door (3) and penetrates through the sealing door (3).
2. The intelligent positive pressure explosion-proof system of claim 1, wherein: the gas supply mechanism (8) comprises a helium tank (81), a gas pump (82), a first pipeline (83), a control valve (84), an overflow valve (85) and a second pipeline (86), and the gas pump (82) is fixed above the helium tank (81) through bolts; one end of the first pipeline (83) is fixed at the air outlet of the air pump (82) through a hoop, and the other end of the first pipeline is fixed at the air inlet of the exhaust box (9) through the hoop; the control valve (84) is fixed on the first pipeline (83) through threads; the overflow valve (85) is fixed at the air outlet of the air pump (82) through threads; one end of the second pipeline (86) is fixed with the overflow valve (85) through a hoop, and the other end of the second pipeline is connected with an air inlet of the helium tank (81) through the hoop.
3. The intelligent positive pressure explosion-proof system of claim 1, wherein: the door lock (4) is MS307 type; the air pressure detector (7) is connected with the electric control cabinet (6) and the control computer (5) through wires, and is of a YZ1301 type; the check valve (10) is connected with the electric control cabinet (6) and the control computer (5) through wires and is D1029 type; the exhaust fan (11) is connected with the electric control cabinet (6) and the control computer (5) through wires and is of DPT10-20A type; the alarm (12) is connected with the electric control cabinet (6) and the control computer (5) through wires and is in an LTE-1101J type; the pressure release valve (13) is of an AFR2000 type.
4. The intelligent positive pressure explosion-proof system of claim 2, wherein: the helium tank (81) is made of tinplate; the air pump (82) is connected with the electric control cabinet (6) and the control computer (5) through leads, and an FUJ-PCV type is selected; the overflow valve (85) is of a DG-02 type.
5. The intelligent positive pressure explosion-proof system of claim 1, wherein: the exhaust box (9) is rectangular and made of stainless steel with the thickness of 2-3mm, a plurality of vent holes are formed in the right side of the exhaust box, and an air inlet is formed in the left side of the exhaust box; the observation window (14) is made of transparent acrylic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921992772.2U CN211289543U (en) | 2019-11-18 | 2019-11-18 | Intelligent positive pressure explosion-proof system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921992772.2U CN211289543U (en) | 2019-11-18 | 2019-11-18 | Intelligent positive pressure explosion-proof system |
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| CN211289543U true CN211289543U (en) | 2020-08-18 |
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| CN201921992772.2U Active CN211289543U (en) | 2019-11-18 | 2019-11-18 | Intelligent positive pressure explosion-proof system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929211A (en) * | 2020-09-21 | 2020-11-13 | 佛山绿色发展创新研究院 | Method for measuring content of particulate matters in high-pressure hydrogen based on beta rays |
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2019
- 2019-11-18 CN CN201921992772.2U patent/CN211289543U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929211A (en) * | 2020-09-21 | 2020-11-13 | 佛山绿色发展创新研究院 | Method for measuring content of particulate matters in high-pressure hydrogen based on beta rays |
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