A wireless locking system for tank curtain doors

Abstract

The present invention relates to a wireless locking system for a tank curtain door in place, belonging to the technical field of mine wireless communication and automation technology. It includes a cage side induction transmitting end and a dotting room receiving control end; the cage side induction transmitting end includes a cage in place switch, a cage control box, a tank curtain door counter and a cage end wireless transceiver, and the dotting room receiving control end includes a dotting room wireless transceiver, a dotting room PLC processor, a relay JA dotting lock, a dotting room operating table, a dotting signal system, and a relay JB dotting recovery; the cage side induction transmitting end and the dotting room receiving control end transmit signals through a wireless transceiver; the beneficial effects of the present invention are: the present invention adopts a non-contact type, and interlocks a wireless locking dotting signal system through mechanical and electrical functions; it realizes unattended safe lifting of mines, and achieves the purpose of safe production.

Description

Technical Field

[0001] The invention relates to a wireless locking system for a tank curtain door in place, belonging to the technical field of mine wireless communication and automation technology. Background Art

[0002] At present, the manual curtain doors are gradually being replaced by automatic curtain doors in the mining industry, and more and more modern mines are using automatic curtain doors. Since the curtain door of the cage moves up and down with the cage, according to the requirements of the Coal Safety Regulations, the door is not allowed to be hoisted if it is not closed or not closed in place. At present, no manufacturer has interlocked or locked the wellhead signal system through the curtain door closing in place. In order to achieve safe production, a wireless locking system combining mechanical and electrical is required. It can realize unattended control at the normal parking position at the wellhead. Summary of the invention

[0003] In order to overcome the deficiencies of the above-mentioned prior art, the present invention provides a wireless locking system for a tank curtain door in place, which adopts a non-contact counting in place signal and locks the wellhead marking signal system by wirelessly transmitting the tank curtain door in place signal.

[0004] The present invention is realized by the following technical scheme: a wireless locking system for a tank curtain door in position, characterized in that: it comprises a tank cage side induction transmitting end and a dotting room receiving control end; the tank cage side induction transmitting end comprises a tank cage in position switch, a tank cage control box, a tank curtain door counter and a tank cage end wireless transceiver, the dotting room receiving control end comprises a dotting room wireless transceiver, a dotting room PLC processor, a relay JA dotting locking, a dotting room operating table, a dotting signal system and a relay JB dotting recovery; the tank cage side induction transmitting end and the dotting room receiving control end transmit signals through a wireless transceiver;

[0005] The cage control box is respectively connected with the cage in-place switch, the cage curtain door counter and the cage end wireless transceiver, the cage in-place switch sends a cage in-place signal to the cage control box, the cage curtain door counter sends a cage curtain door counting signal to the cage control box, and the cage control box sends the received cage in-place signal and the cage curtain door counting signal to the marking room wireless transceiver at the marking room receiving control end through the cage end wireless transceiver;

[0006] The wireless transceiver in the dotting room is connected to the PLC processor in the dotting room, the PLC processor in the dotting room is connected to the input circuit of the dotting lock of the relay JA and the dotting room operating table, the dotting room operating table is connected to the dotting signal system, and the dotting signal system is connected to the input circuit of the dotting recovery relay JB; the output circuit of the dotting lock of the relay JA and the output circuit of the dotting recovery relay JB are connected in parallel and in series to the dotting signal of the dotting signal system; the output circuit of the dotting lock of the relay JA is a normally open contact, and the output circuit of the dotting recovery relay JB is a normally closed contact.

[0007] The tank cage control box includes a tank cage PLC processor, the tank curtain door counter is installed on the tank curtain door motor, the tank curtain door motor controls the lifting of the tank curtain door, and the tank cage control box is also connected to a battery to power the equipment in the tank cage side induction sending end.

[0008] The cage PLC processor contains an internal calculation processing program for counting, closing and reaching the position of the tank curtain door.

[0009] The PLC processor of the dotting room includes a calculation processing program for wirelessly receiving the tank door closing position.

[0010] The output circuit of the relay JA dotting lock and the output circuit of the relay JB dotting recovery are connected in parallel to the upper end and the lower end of the dotting signal of the dotting signal system. When the upper end and the lower end of the dotting signal are connected in series, the dotting signal system can complete the dotting.

[0011] When the tank cage is in place, the dotting signal system controls the relay JB to resume dotting, and the output circuit contact of the relay JB to resume dotting is disconnected, so that the upper end of the dotting signal and the lower end of the dotting signal are disconnected; the tank cage in place switch starts the tank cage PLC processor, the tank curtain door count starts counting, and the wireless signal is sent through the wireless transceiver at the tank cage end; the wireless transceiver in the dotting room receives the wireless signal and transmits it to the PLC processor in the dotting room to determine whether the tank curtain door is closed and in place, and controls the relay JA to dotting lock. After the tank curtain door counter is in place, the contact of the relay JA dotting lock is closed, and the dotting signal system can complete the dotting. If the tank curtain door counter is not in place, the contact of the relay JA dotting lock cannot be closed, and the signal system of the wellhead dotting room cannot send a dotting signal; when the tank cage leaves the normal parking space, the tank in place switch is released, and the tank cage PLC processor is not started to release the relay JA dotting lock, and the JA contact is disconnected; the dotting signal system releases the relay JB to resume dotting, and the JB contact is closed; the JA contact and the JB contact are connected in parallel to realize the wireless interlocking dotting signal system.

[0012] The beneficial effects of the present invention are as follows: the present invention adopts a non-contact wireless locking and dot signaling system through mechanical and electrical function interlocking; it realizes unattended safe lifting of mines and achieves the purpose of safe production. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention is further described below with reference to the accompanying drawings and embodiments.

[0014] Figure 1 It is a structural principle block diagram of the present invention;

[0015] Figure 2 It is a structural schematic diagram of the cage side induction transmitting end of the present invention.

[0016] In the figure: 1. Cage in-place switch, 2. Cage control box, 3. Cage PLC processor, 4. Cage curtain door counter, 5. Cage end wireless transceiver, 6. Dotting room wireless transceiver, 7. Dotting room PLC processor, 8. Relay JA dotting lock, 9. Dotting room operating table, 10. Dotting signal system, 11. Relay JB resumes dotting, 12. Upper end of dotting signal, 13. Lower end of dotting signal 14. Battery, 15. Cage curtain door motor, 16. Cage curtain door. DETAILED DESCRIPTION

[0017] like Figure 1 and Figure 2 The tank curtain door in-place wireless locking system shown in the figure is characterized in that it includes a tank cage side induction transmitting end and a dotting room receiving control end; the tank cage side induction transmitting end includes a tank cage in-place switch 1, a tank cage control box 2, a tank curtain door counter 4 and a tank cage end wireless transceiver 5, and the dotting room receiving control end includes a dotting room wireless transceiver 6, a dotting room PLC processor 7, a relay JA dotting locking 8, a dotting room operating table 9, a dotting signal system 10, and a relay JB dotting recovery 11; the tank cage side induction transmitting end and the dotting room receiving control end transmit signals through a wireless transceiver;

[0018] The cage control box 2 is respectively connected with the cage in-place switch 1, the cage curtain door counter 4 and the cage end wireless transceiver 5, the cage in-place switch 1 sends a cage in-place signal to the cage control box 2, the cage curtain door counter 4 sends a cage curtain door counting signal to the cage control box 2, and the cage control box 2 sends the received cage in-place signal and the cage curtain door counting signal to the marking room wireless transceiver 6 at the marking room receiving control end through the cage end wireless transceiver 5;

[0019] The wireless transceiver 6 in the dotting room is connected to the PLC processor 7 in the dotting room, the PLC processor 7 in the dotting room is connected to the input circuit of the relay JA dotting lock 8 and the dotting room operating table 9, the dotting room operating table 9 is connected to the dotting signal system 10, and the dotting signal system 10 is connected to the input circuit of the relay JB dotting recovery 11; the output circuit of the relay JA dotting lock 8 and the output circuit of the relay JB dotting recovery 11 are connected in parallel and in series to the dotting signal of the dotting signal system 10; the output circuit of the relay JA dotting lock 8 is a normally open contact, and the output circuit of the relay JB dotting recovery 11 is a normally closed contact.

[0020] The tank cage control box 2 includes a tank cage PLC processor 3, the tank curtain door counter 4 is installed on the tank curtain door motor 15, the tank curtain door motor 15 controls the lifting of the tank curtain door 16, and the tank cage control box 2 is also connected to a battery 14 to power the equipment in the tank cage side induction sending end.

[0021] The cage PLC processor 3 contains an internal calculation processing program for counting, closing and reaching the tank curtain door.

[0022] The PLC processor 7 of the dotting room includes a calculation program for wirelessly receiving the tank door closing position.

[0023] The output circuit of the relay JA dot locking 8 and the output circuit of the relay JB dot recovery 11 are connected in parallel to the upper end 12 and the lower end 13 of the dot signal of the dot signal system 10. When the upper end 12 and the lower end 13 of the dot signal are connected in series, the dot signal system 10 can complete the dot.

[0024] Tank door closing: After the tank cage is in place, the tank curtain door 16 is closed, the tank curtain door motor 15 drives the lead screw, the tank curtain door counter 4 starts counting, the lead screw drives the tank curtain door crossbar to be lowered, the bottom crossbar of the tank curtain door 16 is in place, and the counting is completed; the marking signal system 10 controls the relay JB to resume the marking 11, and the output circuit contact of the relay JB to resume the marking 11 is disconnected, so that the upper end 12 of the marking signal and the lower end 13 of the marking signal are disconnected; the tank cage in place switch 1 starts the tank cage PLC processor 3, the tank curtain door counter 4 starts counting, and a wireless signal is sent through the tank cage end wireless transceiver 5; the marking room wireless transceiver 6 receives the wireless signal and transmits it to the marking room PLC processor 7 to determine whether the tank cage is processed. Whether the curtain door 16 is closed and in place, the control relay JA dotting lock 8 is controlled. After the tank curtain door counter 4 is in place, the contact of the relay JA dotting lock 8 is closed, and the dotting signal system 10 can complete the dotting. If the tank curtain door counter 4 is not in place, the contact of the relay JA dotting lock 8 cannot be closed, and the wellhead dotting room signal system 10 cannot send a dotting signal; when the tank cage leaves the normal parking position, the tank in place switch 1 is released, and the tank cage PLC processor 3 is not started to release the relay JA dotting lock 8, and the JA contact is disconnected; the dotting signal system 10 releases the relay JB to resume dotting 11, and the JB contact is closed; the JA contact and the JB contact are connected in parallel to realize a wireless interlocking dotting signal system.

Claims

1. A wireless locking system for a tank curtain door in place, characterized by: It comprises a cage side induction transmitting end and a marking room receiving control end; the cage side induction transmitting end comprises a cage in-position switch (1), a cage control box (2), a tank curtain door counter (4) and a cage end wireless transceiver (5); the marking room receiving control end comprises a marking room wireless transceiver (6), a marking room PLC processor (7), a relay JA marking lock (8), a marking room operating table (9), a marking signal system (10), and a relay JB marking recovery (11); the cage side induction transmitting end and the marking room receiving control end transmit signals via a wireless transceiver; The cage control box (2) is respectively connected to the cage in-position switch (1), the cage curtain door counter (4) and the cage end wireless transceiver (5); the cage in-position switch (1) sends a cage in-position signal to the cage control box (2); the cage curtain door counter (4) sends a cage curtain door count signal to the cage control box (2); the cage control box (2) sends the received cage in-position signal and the cage curtain door count signal to the marking room wireless transceiver (6) at the marking room receiving control end via the cage end wireless transceiver (5); The wireless transceiver (6) of the dotting room is connected to the PLC processor (7) of the dotting room, the PLC processor (7) of the dotting room is connected to the input circuit of the relay JA dotting lock (8) and the dotting room operation table (9), the dotting room operation table (9) is connected to the dotting signal system (10), and the dotting signal system (10) is connected to the input circuit of the relay JB dotting recovery (11); the output circuit of the relay JA dotting lock (8) and the output circuit of the relay JB dotting recovery (11) are connected in parallel to the dotting signal of the dotting signal system (10); the relay JA The output circuit of the dot lock (8) is a normally open contact, and the output circuit of the relay JB restoring the dot lock (11) is a normally closed contact; the tank cage control box (2) includes a tank cage PLC processor (3), the tank curtain door counter (4) is installed on the tank curtain door motor (15), the tank curtain door motor (15) controls the lifting of the tank curtain door (16), and the tank cage control box (2) is also connected to a battery (14) to power the equipment in the induction sending end on the tank cage side; when the tank cage is in place, the dot signal system (10) controls the relay JB to restore the dot lock (11), and the relay JB restores the dot lock (11). The output circuit contact of the dot (11) is disconnected, so that the upper end (12) of the dot signal and the lower end (13) of the dot signal are disconnected; the cage in-place switch (1) starts the cage PLC processor (3), the tank curtain door counter (4) starts counting, and a wireless signal is sent through the cage end wireless transceiver (5); the dot room wireless transceiver (6) receives the wireless signal and transmits it to the dot room PLC processor (7), determines whether the tank curtain door (16) is closed and receives the in-place signal, controls the relay JA dot lock (8), and after the tank curtain door counter (4) is in place, the relay JA dot lock (8) is triggered. The point is closed, the marking signal system (10) can complete the marking, the tank curtain door counter (4) is not in place, the contact of the relay JA marking lock (8) cannot be closed, and the wellhead marking signal system (10) cannot send a marking signal; when the tank cage leaves the normal parking position, the tank in place switch (1) is released, and the tank cage PLC processor (3) is not started to release the relay JA marking lock (8), and the JA contact is disconnected; the marking signal system (10) releases the relay JB to resume the marking (11), and the JB contact is closed; the JA contact and the JB contact are connected in parallel to realize a wireless interlocking marking signal system.

2. According to claim 1, a wireless locking system for a tank curtain door in place is characterized in that: The cage PLC processor (3) contains an internal calculation processing program for counting, closing and positioning of the tank curtain door.

3. The wireless locking system for tank curtain door in position according to claim 1 is characterized in that: The dotting room PLC processor (7) contains a calculation processing program for wirelessly receiving the tank door closing position.

4. The wireless locking system for tank curtain door in position according to claim 1 is characterized in that: The output circuit of the relay JA dotting lock (8) and the output circuit of the relay JB dotting recovery (11) are connected in parallel to the upper end (12) and the lower end (13) of the dotting signal system (10). When the upper end (12) and the lower end (13) of the dotting signal are connected in series, the dotting signal system (10) can complete the dotting.

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