CN211715159U - Novel intelligent control system for underground air door - Google Patents
Novel intelligent control system for underground air door Download PDFInfo
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- CN211715159U CN211715159U CN202020257603.0U CN202020257603U CN211715159U CN 211715159 U CN211715159 U CN 211715159U CN 202020257603 U CN202020257603 U CN 202020257603U CN 211715159 U CN211715159 U CN 211715159U
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Abstract
The utility model discloses a novel air door intelligence control system in pit belongs to air door intelligent control technical field in the pit. The utility model discloses air door intelligence control system in pit includes the air door body, main control box, electric control box, pneumatic control box, infrared correlation switch, and the air door includes air door A and air door B, air door A and air door B mainly by the door frame, the door-hinge, the door leaf is constituteed. The pneumatic control locking system comprises an air path a and an air path b, the air path a and the air path b are identical in structure, and the air path a and the air path b respectively comprise an air cylinder, a two-position five-way double-air control scavenging valve, a two-position five-way electromagnetic valve, a two-position three-way single-air control valve, a two-position three-way electromagnetic valve, a shuttle valve and a pneumatic button. The utility model discloses realize that the air door crosses people's automation in the pit, the reliability and the security of electricity-gas dual mode reinforcing air door effectively stop the air door and press from both sides the people, hit the accident of people.
Description
The technical field is as follows:
the utility model belongs to the technical field of air door intelligent control in the pit, especially, relate to a novel air door intelligent control system in pit.
Background art:
air doors are common ventilation devices in mine ventilation systems and are used primarily in tunnels that cut off the flow of air and allow passage of vehicles and personnel. The following are specifically stipulated in the coal mine safety regulations: in some roadways downhole, at least two normally closed dampers must be installed, and when pedestrians and vehicles pass through, the dampers should be opened and closed to some extent, and the dampers should be prohibited from being opened at the same time, so as not to cause short circuit of wind flow. When mine disasters occur, such as gas outburst, the air door is easy to damage, in addition, the air door can be opened due to misoperation or poor management, and the conditions can cause airflow flowing disorder in a mine ventilation system, so that the mine disasters or secondary disasters can be caused. Therefore, the underground air regulating device represented by the air door needs to have remote intelligent control capability, and is convenient for the ventilation system to carry out joint regulation and joint control. At present, the air door mostly adopts a striking rod type air door or a striking type air door. When the pedestrian passes through the air door, because the negative pressure is very big, need take very big power gas just can open the air door, seriously influence staff's work efficiency in the pit. In order to further improve the automation degree of the air door, an intelligent air door capable of being automatically opened and closed is designed. When personnel pass through the air door monitoring area, the air door is opened, no person is detected within a period of time, the intelligent delay is carried out for a period of time, and the air door is automatically closed. In order to enhance the reliability of the device, the air door can be started by matching with a pneumatic button to achieve the required air door control effect, but the priority is lower than that of automatic control.
The utility model has the following contents:
the utility model discloses a solve the problem that current method exists, provide a novel air door intelligence control system in pit, have simple structure, safe and reliable, characteristics that degree of automation is high.
In order to solve the technical problem, the utility model provides a following technical scheme: a novel underground air door intelligent control system comprises an air door body, a main control box, an electric control box, a pneumatic control box and an infrared correlation switch; the air door comprises an air door A and an air door B, and the air door A and the air door B mainly comprise a door frame, a door shaft and a door leaf; the main control box comprises an explosion-proof shell, a PLC (programmable logic controller), a photoelectric converter and a wiring terminal block;
the electric control box comprises an intrinsically safe shell, a two-position five-way electromagnetic valve, a two-position three-way electromagnetic valve, a shuttle valve and a pneumatic button; the pneumatic control box comprises an intrinsically safe shell, a two-position five-way bidirectional scavenging valve, a two-position five-way single control valve, a shuttle valve and a pneumatic button.
Infrared correlation switch is all installed to air door A and air door B's the business turn over side, infrared correlation switch links to each other with the PLC signal, air door A and air door B's exit side forms infrared detection area A, infrared detection area B respectively and prevents pressing from both sides infrared detection area C, install connecting rod A and connecting rod B on two door leafs of air door respectively, install the power cylinder between connecting rod A and the connecting rod B for provide the air door power that opens and shuts, the cylinder pass through the solenoid valve with PLC signal connection.
And the connecting rod A is connected with a power cylinder, one end of the power cylinder is connected to the screw rod connecting piece A, and the other end of the power cylinder is connected with the connecting rod B and the connecting rod C through the screw rod connecting piece.
The main control box is installed on a connecting frame of the air door A and the air door B, and an internal PLC module of the main control box is responsible for controlling input of red and red switch signals and signal output of an air door switch electromagnetic valve. The PLC in the main control box is electrically connected with the photoelectric converter, and the photoelectric converter uploads the signal state of the PLC in real time. PLC and binding post row are electric connection, carry out signal connection through terminal row with the external world, and input signal is passed through binding post row by infrared correlation switch and is inserted, and output signal passes through binding post control solenoid valve output.
The electric control box is arranged on the outer sides of the air door A and the air door B, two pneumatic buttons are arranged on the outer side of the control box body and can be used for opening and closing the air door on the side, the two-position five-way electromagnetic valve and the two-position three-way electromagnetic valve are controlled by a PLC output signal end, the electromagnetic valves are electrically connected with the PLC, and the electromagnetic valves are opened or not to control the on-off of a system air path.
The pneumatic control box is arranged on the inner sides of the air door A and the air door B, two pneumatic buttons are arranged on the outer side of the control box body and can be used for opening and closing the air door on the side, a two-position five-way bidirectional scavenging valve, a two-position five-way single control valve, a shuttle valve and the pneumatic buttons form a gas path system for controlling the opening and closing of the air door, and the power cylinder is controlled through the gas path to open and close the air door.
The novel intelligent control system for the underground air door comprises an air path a and an air path b, wherein the air path a and the air path b are identical in structure, and the air path a and the air path b respectively consist of an air cylinder, a two-position five-way double-air control scavenging valve, a two-position five-way electromagnetic valve, a two-position three-way single control valve, a two-position three-way electromagnetic valve, a shuttle valve and a pneumatic button; two ports of an air circuit cylinder a are respectively connected with an A, B port of a two-position five-way double-air control scavenging valve a1 through an air pipe, two air control ends of a two-position five-way double-air control scavenging valve a1 are respectively connected with a shuttle valve a2 and a shuttle valve a10, each shuttle valve is respectively connected with two switch pneumatic buttons, two air control ends of a two-position five-way double-air control scavenging valve a1 are connected with ports A and B of a two-position five-way electromagnetic valve a1 through a K1 interface and a K3 interface, a port P of a two-position five-way electromagnetic valve a5 is connected with a port A of a two-position three-way electromagnetic valve a6, an air inlet end P of the two-position three-way electromagnetic valve a6 and air inlet ends P of two groups of four switch pneumatic buttons are connected to a port A of the two-position three-way single control valve a9 through air pipes in parallel, and an air control end of a9 is connected to a port A of a two-; in a similar way, two ports of the b air channel cylinder are respectively connected with A of a two-position five-way double-air control scavenging valve b1 through an air pipe, on the port B, two pneumatic control ends of a two-position five-way double-pneumatic control scavenging valve B1 are respectively connected with a shuttle valve B2 and a shuttle valve B10, each shuttle valve is respectively connected with two switch pneumatic buttons, two pneumatic control ends of a two-position five-way double-pneumatic control scavenging valve B1 are connected with ports A and B of a two-position five-way electromagnetic valve B1 through a K5 interface and a K6 interface, a port P of the two-position five-way electromagnetic valve B5 is connected with a port A of a two-position three-way electromagnetic valve B6, an air inlet end P of the two-position three-way electromagnetic valve B6 and air inlet ends P of two groups of four switch pneumatic buttons are connected to the port A of the two-position three-way single control valve B9 in parallel through pneumatic pipes, and an air pipe of a pneumatic control end of the two-position three-way single control valve B9 is connected to a port A; and the air inlet pipes of the two-position five-way double-air control scavenging valve a1, the two-position three-way single control valve a9, the two-position five-way double-air control scavenging valve b1 and the two-position three-way single control valve b9 are connected to an air source C in parallel through air pipes.
The utility model has the advantages that:
1, the utility model discloses utilize the signal that a plurality of infrared correlation switches detected, detect people, the car in air door region, then control air door automatic switch, improve the degree of automation of air door control, practice thrift manufacturing cost, bring considerable economic benefits for the enterprise.
2, the utility model discloses an electricity-two kinds of modes of opening the door of gas, it is nimble reliable, to the whole automation that realize of start-up and shutting of air door, PLC control reliability is strong, has very big promotion and promotion effect to improving personnel's safety work in the pit.
Description of the drawings:
the accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the layout structure of the tunnel air doors of the present invention;
FIG. 2 is a schematic view of the structure of the damper of the present invention;
FIG. 3 is a schematic view of the opening direction of the door leaf of the present invention;
fig. 4 is a pneumatic schematic diagram of the electro-pneumatic control interlocking system of the present invention.
In the figure: 1. an air door A; 2. a master control box; 3. an air door B; 4. an infrared correlation switch is arranged on the outer side of the air door A; 5. the air door A prevents the infrared correlation switch from being clamped; 6. an infrared correlation switch is arranged on the inner side of the air door A; 7. an infrared correlation switch is arranged at the inner side of the air door B; 8. the air door B prevents the infrared correlation switch from being clamped; 9. the infrared correlation switch is arranged at the outer side of the air door B; 10. a door shaft; 11. A door frame; 12. a hinge; 13. a connecting rod A; 14. a power cylinder; 15. a connecting rod B; 16. a screw rod connecting piece A; 17. a screw rod connecting piece B; 18. a connecting rod C; 19. a door leaf; 20. an electric control box of the air door A; 21. a pneumatic control box of an air door A; 22. a pneumatic control box of an air door B; 23. an electric control box of the air door B; 24. an audible and visual alarm.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clear and fully described below with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment is shown in fig. 1, the utility model provides a high technical scheme: a novel underground air door intelligent control system comprises an air door A and an air door B which are installed in a roadway, wherein the air door mainly comprises a door frame 11, a door shaft 10 and a door leaf 19, infrared correlation switches are installed on the inlet and outlet sides of the air door A and the air door B, the air door A comprises an infrared correlation switch 4 on the outer side of the air door A, an anti-pinch infrared correlation switch 5 of the air door A, an infrared correlation switch 6 on the inner side of the air door A, an infrared correlation switch 7 on the inner side of the air door B, an anti-pinch infrared correlation switch 8 of the air door B and an infrared correlation switch 9 on the outer side of the air door B, each infrared correlation switch is connected with a PLC signal, the inlet and outlet sides of the air door A and the air door B respectively form an inlet and outlet infrared detection zone and an anti-pinch detection zone, a connecting rod A and a connecting rod B are respectively installed on, and the two door leaves 19 are opposite in rotation direction, and the PLC is in signal connection with the power cylinder 14 through an electromagnetic valve.
The system uses the PLC as a control core, the infrared correlation switch is used as a detection sensor for detecting whether personnel pass through or not, the infrared correlation switch is connected to a signal input end of the PLC through a wiring terminal block, and meanwhile, the PLC outputs signals to control the pneumatic electromagnetic valve to control whether the power cylinder acts or not. And an electromagnetic valve action locking program is arranged in the PLC, and the two electromagnetic valves are forbidden to act simultaneously. As shown in figure 1, when someone passes through, the infrared correlation switch detects someone and passes through, triggers the action, and PLC control solenoid valve moves, opens the gas circuit, and control cylinder moves, and the air door is opened, and at this moment, personnel pass through after, open the door through infrared correlation, prevent that the clamping area detects nobody and pass through, wait for a period of time after, PLC control solenoid valve moves, closes the air door. If at the air door closing process, someone triggers infrared correlation and prevents pressing from both sides infrared correlation switch that opens the door, then the air door is reopened, makes personnel pass through, avoids appearing the accident that personnel were pressed from both sides.
As shown in fig. 4, the novel intelligent control system for the underground air door comprises an air path a and an air path b, wherein the air path a and the air path b have the same structure, and the air path a and the air path b respectively comprise an air cylinder, a two-position five-way double-air control scavenging valve, a two-position five-way electromagnetic valve, a two-position three-way single control valve, a two-position three-way electromagnetic valve, a shuttle valve and a pneumatic button; two ports of an a air path cylinder are respectively connected with A, B ports of a two-position five-way double-air control scavenging valve a1 through air pipes, two air control ends of a two-position five-way double-air control scavenging valve a1 are respectively connected with a shuttle valve a2 and a shuttle valve a10, each shuttle valve is respectively connected with two switch pneumatic buttons, the shuttle valve a2 is connected with a pneumatic button a3 (control on) and a4 (control off), the shuttle valve a10 is connected with a pneumatic button a7 (control on) and a8 (control off), two air control ends of a1 of the two-position five-way double-air control scavenging valve a1 are connected with ports A and B of a1 of the two-position five-way solenoid valve a5 through a K1 interface and a K3 interface, a port P of the two-position five-way solenoid valve a5 is connected with a port A of the two-position three-way solenoid valve a6, air inlet ends P of the two-position three-way solenoid valve a6 and four switch pneumatic button air inlet ends P of the two-position three-way solenoid valve are connected with air control valve a9 a port A through air Port a of scavenging valve b 1; similarly, two ports of the B air path cylinder are respectively connected with A, B ports of a two-position five-way double-air control scavenging valve B1 through air pipes, two air control ends of the two-position five-way double-air control scavenging valve B1 are respectively connected with a shuttle valve B2 and a shuttle valve B10, each shuttle valve is respectively connected with two switch pneumatic buttons, the shuttle valve B2 is connected with a pneumatic button B3 (control on) and a shuttle valve B4 (control off), the shuttle valve B10 is connected with a pneumatic button B7 (control on) and a shuttle valve B8 (control off), two air control ends of the two-position five-way double-air control scavenging valve B1 are connected with ports a and B of a two-position five-way electromagnetic valve B1 through a K5 interface and a K6 interface, a port P of the two-position five-way electromagnetic valve B5 is connected with a port A of a two-position three-way electromagnetic valve B6, an air inlet end P of the three-way electromagnetic valve B6 and two sets of switch pneumatic buttons are connected with air control ends P of a single-position three-way electromagnetic valve B2 through air control valve B2 and air control Port a of the control scavenging valve a 1; and the air inlet pipes of the two-position five-way double-air control scavenging valve a1, the two-position three-way single control valve a9, the two-position five-way double-air control scavenging valve b1 and the two-position three-way single control valve b9 are connected to an air source C in parallel through air pipes.
The utility model discloses a theory of operation is, use fig. 2, fig. 3 and fig. 4 are examples, when someone needs to pass through the air door, use someone business turn over air door A as an example, infrared correlation switch 4 in the air door A outside detects someone through, signal transmission to PLC, PLC control output solenoid valve moves, port P and two three-way solenoid valve a6 actions of two five-way solenoid valve a5, the a gas circuit is opened, atmospheric pressure promotes power cylinder 14 and makes air door A open, another way atmospheric pressure of a1 promotes b9 two-bit three-way single gas control normally open valve case through the trachea simultaneously and removes, cut off the air supply of all pneumatic button (b3 in the b gas circuit, b4, b7, b 8). The air door B cannot be opened, the air passage of the air door B is reset after the air door A is closed, the air door B can be opened, the air door A and the air door B are interlocked, and the related requirements that two air doors of an underground roadway cannot be opened simultaneously according to the regulation of coal mine safety regulations are met. In order to meet the requirement of the reliability of the air door switch in the coal mine safety regulation, pneumatic control boxes are arranged on two sides of the air door and used for manually opening the air door, so that the flexibility of the air door switch is further improved. The principle of manual opening and closing of the air door is as follows: when a person needs to pass through the air door, the pneumatic button a3 is pressed, air pressure passes through an air pipe and is output to the P end of the shuttle valve a2 to the A end of the shuttle valve a2, the valve core of the two-position five-way double-air control scavenging valve a1 is pushed to move, the cylinder piston rod of the air door A extends out to drive the connecting rod, as shown in fig. 3, the door leaf opens in the reverse direction according to the direction of a dotted line in the figure, the air door A is opened, meanwhile, the other path of air pressure of a1 pushes the valve core of the b9 two-position three-way single-air control normally open valve to move through the air pipe, and the air sources of all the pneumatic buttons (b 3. Air door B can't open, waits for air door A to close the back, and air door B gas circuit resets, and air door B just can open, realizes air door A and air door B interlocking.
The utility model discloses a function:
1. when the pedestrian passes through the infrared correlation switch detection area of air door, the air door is automatic to be opened, treats the pedestrian and passes through the back, air door self-closing.
2. When a pedestrian passes through the air door and the automatic door opening function fails, the air door can be opened or closed by pressing a pneumatic button on the pneumatic control box.
3. And pneumatic locking and PLC program locking are carried out between the air doors (when the air door A is opened firstly, the air door B cannot be opened, and only when the air door A is closed, the air door B can be opened).
Claims (5)
1. A novel underground air door intelligent control system is characterized by comprising an air door body (1), a main control box (2), an electric control box (20), a pneumatic control box (21) and an infrared correlation switch (4), wherein the infrared correlation switch (4) comprises an air door A and an air door B which are installed in a roadway, the air door mainly comprises a door frame (11), a door shaft (10) and a door leaf (19), the inlet and outlet sides of the air door A and the air door B are respectively provided with the infrared correlation switch, the infrared correlation switch (4) on the outer side of the air door A is included, the infrared correlation switch (5) is prevented from being clamped by the air door A, the infrared correlation switch (6) on the inner side of the air door A, the infrared correlation switch (7) on the inner side of the air door B, the infrared correlation switch (8) is prevented from being clamped by the air door B and the infrared correlation switch (9) on the outer side of the air door B, each infrared correlation switch is connected with a PLC signals, the inlet and, a connecting rod A and a connecting rod B are respectively installed on the two door leaves (19), the connecting rod A and the connecting rod are connected with the power cylinder (14) through a screw rod connecting piece, the steering directions of the two door leaves (19) are opposite, and the PLC is connected with the power cylinder (14) through an electromagnetic valve in a signal mode.
2. The novel intelligent downhole damper control system of claim 1, wherein: infrared correlation switch is all installed to air door A and air door B's the business turn over side, infrared correlation switch links to each other with the PLC signal, air door A and air door B's exit side forms infrared detection area A, infrared detection area B respectively and prevents pressing from both sides infrared detection area C, install connecting rod A and connecting rod B on two door leafs of air door respectively, install the power cylinder between connecting rod A and the connecting rod B for provide the air door power that opens and shuts, the cylinder pass through the solenoid valve with PLC signal connection.
3. The novel intelligent downhole damper control system of claim 1, wherein: the electric control box is arranged on the outer sides of the air door A and the air door B, two pneumatic buttons are arranged on the outer side of the control box body and can be used for opening and closing the air door on the side, the two-position five-way electromagnetic valve and the two-position three-way electromagnetic valve are controlled by a PLC output signal end, the electromagnetic valves are electrically connected with the PLC, and the electromagnetic valves are opened or not to control the on-off of a system air path.
4. The novel intelligent downhole damper control system of claim 1, wherein: the pneumatic control box is arranged on the inner sides of the air door A and the air door B, two pneumatic buttons are arranged on the outer side of the control box body and can be used for opening and closing the air door on the side, a two-position five-way bidirectional scavenging valve, a two-position five-way single control valve, a shuttle valve and the pneumatic buttons form a gas path system for controlling the opening and closing of the air door, and the power cylinder is controlled through the gas path to open and close the air door.
5. The novel intelligent downhole damper control system of claim 1, wherein: the air circuit a and the air circuit b are respectively composed of an air cylinder, a two-position five-way double-air control scavenging valve, a two-position five-way electromagnetic valve, a two-position three-way single air control valve, a two-position three-way electromagnetic valve, a shuttle valve and a pneumatic button; two ports of an air circuit cylinder a are respectively connected with an A, B port of a two-position five-way double-air control scavenging valve a1 through an air pipe, two air control ends of a two-position five-way double-air control scavenging valve a1 are respectively connected with a shuttle valve a2 and a shuttle valve a10, each shuttle valve is respectively connected with two switch pneumatic buttons, two air control ends of a two-position five-way double-air control scavenging valve a1 are connected with ports A and B of a two-position five-way electromagnetic valve a1 through a K1 interface and a K3 interface, a port P of a two-position five-way electromagnetic valve a5 is connected with a port A of a two-position three-way electromagnetic valve a6, an air inlet end P of the two-position three-way electromagnetic valve a6 and air inlet ends P of two groups of four switch pneumatic buttons are connected to a port A of the two-position three-way single control valve a9 through air pipes in parallel, and an air control end of a9 is connected to a port A of a two-; similarly, two ports of the B air path cylinder are respectively connected with the A, B port of the two-position five-way two-air control scavenging valve B1 through an air tube, two air control ends of the two-position five-way two-air control scavenging valve B1 are respectively connected with the shuttle valve B2 and the shuttle valve B10, two air control ends of the two-position five-way two-air control scavenging valve B1 are connected with the ports a and B of the two-position five-way electromagnetic valve B1 through a K5 interface and a K6 interface, the port P of the two-position five-way electromagnetic valve B5 is connected with the port a of the two-position three-way electromagnetic valve B6, the air inlet end P of the two-position three-way electromagnetic valve B6 and the two groups of four-switch air button air inlet ends P are connected in parallel to the port a of the two-position three-way single control valve B9 through air tubes, and the air control end of the two-position three-way single control valve B9 is; and the air inlet pipes of the two-position five-way double-air control scavenging valve a1, the two-position three-way single control valve a9, the two-position five-way double-air control scavenging valve b1 and the two-position three-way single control valve b9 are connected to an air source C in parallel through air pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020257603.0U CN211715159U (en) | 2020-03-04 | 2020-03-04 | Novel intelligent control system for underground air door |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020257603.0U CN211715159U (en) | 2020-03-04 | 2020-03-04 | Novel intelligent control system for underground air door |
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| CN211715159U true CN211715159U (en) | 2020-10-20 |
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| CN202020257603.0U Expired - Fee Related CN211715159U (en) | 2020-03-04 | 2020-03-04 | Novel intelligent control system for underground air door |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502732A (en) * | 2020-05-06 | 2020-08-07 | 安徽理工大学 | Novel intelligent control system for underground air door |
| CN113513355A (en) * | 2021-04-16 | 2021-10-19 | 大同煤矿集团衡安装备股份有限公司 | Full-servo safety interlocking air door and control method |
| CN113586135A (en) * | 2021-09-07 | 2021-11-02 | 中煤科工集团重庆研究院有限公司 | Mining disaster area sealing and unsealing device and using method thereof |
-
2020
- 2020-03-04 CN CN202020257603.0U patent/CN211715159U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502732A (en) * | 2020-05-06 | 2020-08-07 | 安徽理工大学 | Novel intelligent control system for underground air door |
| CN113513355A (en) * | 2021-04-16 | 2021-10-19 | 大同煤矿集团衡安装备股份有限公司 | Full-servo safety interlocking air door and control method |
| CN113513355B (en) * | 2021-04-16 | 2023-09-19 | 大同煤矿集团衡安装备股份有限公司 | Full-servo safety interlocking air door and control method |
| CN113586135A (en) * | 2021-09-07 | 2021-11-02 | 中煤科工集团重庆研究院有限公司 | Mining disaster area sealing and unsealing device and using method thereof |
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