CN102923556A - Control device and control system for safety gate - Google Patents
Control device and control system for safety gate Download PDFInfo
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- CN102923556A CN102923556A CN2012104503759A CN201210450375A CN102923556A CN 102923556 A CN102923556 A CN 102923556A CN 2012104503759 A CN2012104503759 A CN 2012104503759A CN 201210450375 A CN201210450375 A CN 201210450375A CN 102923556 A CN102923556 A CN 102923556A
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- closed switch
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Abstract
The invention provides a control device and a control system for a safety gate; the control device comprises a PLC (programmed logic controller) control board, a gate-opening relay, a first normally closed switch, a gate-closing relay, an unlocking relay, and a second normally closed switch, wherein the gate-opening relay is electrically connected with the PLC control board,; the first normally closed switch is electrically connected with the PLC control board and is corelated with the gate-opening relay; the gate-closing relay is electrically connected with the PLC control board and is connected with the first normally closed switch in series; the unlicking relay is electrically connected with the PLC control board; and the second normally closed switch is electrically connected with the PLC control board and connected with the gate-opening relay in series. When the gate-opening relay is electrified, the first normally closed switch is switched off, and when the unlocking relay is electrified, the second normally closed switch is switched off. The device can achieve the opening, closing and unlocking functions of the safety gate by the associated coordination of the unlocking relay, the first and the second normally closed switches and the gate-opening and gate-closing relays, so that people or equipment coming in or going out from the safety gate caused by misoperation due to mislistening or blocked sight of an operator are avoided, and the control safety of the safety gate is improved.
Description
Technical field
The present invention relates to mechanical technique, relate in particular to a kind of well head safe controlling device for doors and system.
Background technology
In the coal production, often elevator system is carried out various lifting operations under the need use coal mine.Elevator system comprises for the cage that is arranged on vertical under the coal mine, cooperate with cage to guarantee material in the cage or personal security safety door, promote car puller and control setup that material enters cage.Control setup and safety door and cage are electrically connected.The unlatching of safety door or close relevant with the position of cage.The unlatching of safety door or close determining positions by cage, cage arrives assigned address, treats that cage chair falls behind, and control setup sends the instruction of opening the door, and safety door is opened.Control setup sends the instruction of closing the door, and after safety door is closed, cage chair rises, sends signal by the signalman, and cage can rise or descend.
Existing control setup comprises programmable logic controller (PLC) (Programmable Logic Controller, be called for short PLC) control desk, the relay that opens the door, the normally closed switch and the closed relay that are associated with the relay that opens the door.Wherein, the relay that opens the door, normally closed switch and closed relay all are electrically connected with the PLC control desk, and normally closed switch is connected with closed relay.The relay that opens the door gets electric, and normally closed switch disconnects, and closed relay place branch road disconnects, and at this moment, the relay that opens the door sends control command, opens with the control safety door.The relay electric-loss that opens the door, normally closed switch is closed, and closed relay place branch road is communicated with, and at this moment, closed relay sends control command, closes with the control safety door.Herein, open the door relay get electric or dead electricity by the operating personal manual control.
There is following problem at least in prior art: the operating personal control relay that opens the door gets electric or dead electricity and is based on the signal of hearing that other staff inform around the cage, or judge according to the cage location information that range estimation is arrived.The coal production environment is noisy, and number of devices is numerous, occurs very easily that operating personal mistake is listened or the situation that sight line is kept off, and this maloperation that all can cause operating personal that safety gate is carried out.As seen, in the prior art, the safety in utilization of control setup is not high.
Summary of the invention
The invention provides a kind of well head safe controlling device for doors and system, be used for optimizing existing well head safe door latch apparatus.
The invention provides a kind of well head safe controlling device for doors, be used for controlling the unlatching of safety door or closing, wherein, comprising:
The PLC control desk;
The relay that opens the door is electrically connected with described PLC control desk;
The first normally closed switch is electrically connected with described PLC control desk, and is associated with the described relay 2 that opens the door;
Closed relay is electrically connected with described PLC control desk, and connects with described the first normally closed switch;
The release relay is electrically connected with described PLC control desk;
The second normally closed switch is electrically connected with described PLC control desk, and connects with the described relay 2 that opens the door;
Wherein, the described relay that opens the door gets electric, and described the first normally closed switch disconnects; Described release relay gets electric, and described the second normally closed switch disconnects.
Aforesaid well head safe controlling device for doors preferably, also comprises: the locking indicator lamp, connect with the described relay that opens the door.
Aforesaid well head safe controlling device for doors preferably, also comprises: door open button, be electrically connected with described PLC control desk, and be used for controlling the described relay that opens the door and get electric or dead electricity.
Aforesaid well head safe controlling device for doors preferably, also comprises: unlock button, be electrically connected with described PLC control desk, and be used for controlling described release relay and get electric or dead electricity.
Aforesaid well head safe controlling device for doors preferably, also comprises: door close button, be electrically connected with described PLC control desk, and be used for controlling described closed relay and get electric or dead electricity.
The present invention also provides a kind of well head safe accelerator control system, wherein, comprises the arbitrary safety door control setup that provides of the present invention.
The well head safe controlling device for doors that the embodiment of the invention provides, cooperate with the interrelated of relay and closed relay that open the door by release relay and first, second normally closed switch, can realize the locking after the opening, open of safety door, and closing after the release, can prevent that operating personal from listening because of mistake or sight line is kept off the maloperation that causes to people or the equipment injury of the safety door of coming in and going out, improve safety and the standardization of safety door control, thereby effectively guaranteed staff's safety.
Description of drawings
Fig. 1 is the circuit connection diagram of well head safe controlling device for doors of the present invention.
Description of reference numerals:
The 1-PLC control desk; The 2-relay that opens the door;
3-the first normally closed switch; The 4-closed relay;
5-release relay; 6-the second normally closed switch;
7-locking indicator lamp; The 8-door open button;
The 9-unlock button; The 10-door close button.
The specific embodiment
Fig. 1 is the circuit connection diagram of well head safe controlling device for doors of the present invention.As shown in Figure 1, the well head safe controlling device for doors that the embodiment of the invention provides can be used for the unlatching of control safety door or close, and this well head safe controlling device for doors can comprise: PLC control desk 1, the relay 2 that opens the door, the first normally closed switch 3, closed relay 4, release relay 5 and the second normally closed switch 6.
Wherein, open the door relay 2, closed relay 4, release relay 5, the first normally closed switch 3 and the second normally closed switch 6 all is electrically connected with PLC control desk 1, closed relay 4 is connected with the first normally closed switch 3, and open the door relay 2 and the second normally closed switch 6 are in series.Wherein, the first normally closed switch 3 is associated with the relay 2 that opens the door, and the second normally closed switch 6 is associated with release relay 5.
Particularly, PLC control desk 1 is the core of whole well head safe controlling device for doors.Because PLC control desk 1 is connected with relay and the switch of control safety door switch, these relays are then directly opened with the promotion safety door with switch, closed power system is connected.Under the control of PLC control desk 1, the actuating of relay that directly links to each other with the PLC control desk, simultaneously, the action of these relays can drive power system and move accordingly to promote safety door and come switch or closure.Therefore, PLC control desk 1 is to control its external hardware circuit in by the realization to the internal software program, thereby realizes switch, closure and the locking of safety door.
Particularly, the first normally closed switch 3 is associated with the relay 2 that opens the door, namely the relay 2 of opening the door when electric, the first normally closed switch 3 disconnects; Relay 2 dead electricity of opening the door, the first normally closed switch 3 closures.The second normally closed switch 6 is associated with release relay 5, namely release relay 5 when electric, the second normally closed switch 6 disconnects; Release relay 5 dead electricity, the second normally closed switch 6 closures.
Particularly, the whole implementation procedure of well head safe controlling device for doors is as follows: under the control of PLC control desk 1, when the relay 2 of opening the door when electric, can control safety door opens, and the first normally closed switch 3 that is associated with the relay 2 that opens the door disconnects, closed relay 4 place branch currents can't pass through, and can't close after then safety door is opened, and have namely realized the pass locking of safety door.When confirming safety, when needing the closed safe door, by 1 control of PLC control desk, release relay 5 gets electric, and the second normally closed switch 6 that then is associated with release relay 5 disconnects, the relay 2 place branch roads outages of opening the door, relay 2 dead electricity of opening the door, the first normally closed switch 3 closures, closed relay 4 place branch roads are communicated with, and have namely realized the release that safety door closes.When PLC control desk 1 control closed relay 4 electric the time, closed relay 4 place branch road conductings can be controlled the closure that realizes safety door.
The well head safe controlling device for doors that the embodiment of the invention provides, cooperate with the interrelated of relay and closed relay that open the door by release relay and first, second normally closed switch, can realize closing after locking after the opening, open of safety door and the release, prevented that operating personal from listening because of mistake or sight line is kept off the maloperation that causes to people or the equipment injury of the safety door of coming in and going out, improve safety and the standardization of safety door control, thereby effectively guaranteed staff's safety.
On the basis of said structure, the well head safe controlling device for doors that the embodiment of the invention provides can also comprise: locking indicator lamp 7.Locking indicator lamp 7 can be indicated the pass locking situation of safety door.When safety door closed locking, locking indicator lamp 7 was bright; When safety door closed release, locking indicator lamp 7 went out.
Particularly, locking indicator lamp 7 can be in series with the relay 2 that opens the door.Must be electric when the relay 2 that opens the door, safety door is opened, and the first normally closed switch 3 that is associated with the relay 2 that opens the door disconnects, and closed relay 4 place branch currents can't pass through, and safety door can't be closed, and has namely realized the pass locking of safety door.At this moment, because of the 7 place branch road conductings of locking indicator lamp, so locking indicator lamp 7 is bright.Controlling release relay 5 when PLC control desk 1 must be electric, 6 disconnections of the second normally closed switch, the relay 2 place branch roads outages of opening the door, relay 2 dead electricity of opening the door, the first normally closed switch 3 closures, closed relay 4 place branch roads are communicated with, and safety door closes release, and safety door can be closed.At this moment, the 7 place branch road outages of locking indicator lamp, locking indicator lamp 7 goes out.
On the basis of said structure, the well head safe controlling device for doors that the embodiment of the invention provides can also comprise: door open button 8.Particularly, door open button 8 is electrically connected with PLC control desk 1, gets electric or dead electricity for controlling the relay 2 that opens the door.When door open button 8 actions, PLC control desk 1 is controlled the relay 2 that opens the door and is got electric.In the situation of relay 2 place branch road conductings of opening the door, safety door can be opened.
On the basis of said structure, the well head safe controlling device for doors that the embodiment of the invention provides can also comprise: unlock button 9.Particularly, unlock button 9 is electrically connected with PLC control desk 1, is used for control release relay 5 and gets electric or dead electricity, and finally control the pass release of safety door.When unlock button 9 actions, PLC control desk 1 control release relay 5 gets electric, the second normally closed switch 6 that is associated with release relay 5 disconnects, the relay 2 place branch roads that open the door cut off the power supply, relay 2 dead electricity of opening the door, the first normally closed switch 3 closures, closed relay 4 place branch roads are communicated with, and have namely realized the release that safety door closes.
On the basis of said structure, the well head safe controlling device for doors that the embodiment of the invention provides can also comprise: door close button 10.Particularly, door close button 10 is electrically connected with PLC control desk 1, is used for control closed relay 4 and gets electric or dead electricity.When door close button 10 actions, PLC control desk 1 control closed relay 4 gets electric.In the situation of closed relay 4 place branch road conductings, safety door can be closed.
The well head safe controlling device for doors that the embodiment of the invention provides, pass through door open button, door close button and unlock button are controlled the electric and dead electricity that gets of corresponding relay, the relay so that open the door, closed relay and release relay and first, the interrelated cooperation of the second normally closed switch, can realize opening of safety door, locking after opening, and closing after the release, thereby prevented that operating personal from listening because of mistake or sight line is kept off the maloperation that causes to people or the equipment injury of the safety door of coming in and going out, improve safety and the standardization of safety door control, and effectively guaranteed staff's safety.
The embodiment of the invention also provides a kind of well head safe accelerator control system, comprises the safety door control setup that above-mentioned any embodiment provides.Particularly, this device can link to each other with the power system that promotes the safety door switch closure.The control of this well head safe accelerator control system and course of action can referring to the associated description among the embodiment shown in Figure 1, not repeat them here.
The well head safe accelerator control system that the embodiment of the invention provides, cooperate with the interrelated of switch by well head safe controlling device for doors repeat circuit, and under the operation control of corresponding button, realization is to the control of the power system of promotion safety door switch closure, can realize switch, locking and the release of safety door, thereby prevented that operating personal from listening because of mistake or sight line is kept off the maloperation that causes to people or the equipment injury of the safety door of coming in and going out, improve safety and the standardization of safety door control, and effectively guaranteed staff's safety.
It should be noted that at last: above each embodiment is not intended to limit only in order to technical scheme of the present invention to be described; Although with reference to aforementioned each embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a well head safe controlling device for doors is used for controlling the unlatching of safety door or closing, and it is characterized in that, comprising:
The PLC control desk;
The relay that opens the door is electrically connected with described PLC control desk;
The first normally closed switch is electrically connected with described PLC control desk, and is associated with the described relay that opens the door;
Closed relay is electrically connected with described PLC control desk, and connects with described the first normally closed switch;
The release relay is electrically connected with described PLC control desk;
The second normally closed switch is electrically connected with described PLC control desk, and connects with the described relay that opens the door;
Wherein, the described relay that opens the door gets electric, and described the first normally closed switch disconnects; Described release relay gets electric, and described the second normally closed switch disconnects.
2. well head safe controlling device for doors according to claim 1 is characterized in that, also comprises:
The locking indicator lamp is connected with the described relay that opens the door.
3. well head safe controlling device for doors according to claim 1 is characterized in that, also comprises:
Door open button is electrically connected with described PLC control desk, is used for controlling the described relay that opens the door and gets electric or dead electricity.
4. well head safe controlling device for doors according to claim 1 is characterized in that, also comprises:
Unlock button is electrically connected with described PLC control desk, is used for controlling described release relay and gets electric or dead electricity.
5. well head safe controlling device for doors according to claim 1 is characterized in that, also comprises:
Door close button is electrically connected with described PLC control desk, is used for controlling described closed relay and gets electric or dead electricity.
6. a well head safe accelerator control system is characterized in that, comprises arbitrary described safety door control setup in the claim 1 ~ 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210450375.9A CN102923556B (en) | 2012-11-12 | 2012-11-12 | Well head safe controlling device for doors and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210450375.9A CN102923556B (en) | 2012-11-12 | 2012-11-12 | Well head safe controlling device for doors and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102923556A true CN102923556A (en) | 2013-02-13 |
| CN102923556B CN102923556B (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210450375.9A Active CN102923556B (en) | 2012-11-12 | 2012-11-12 | Well head safe controlling device for doors and system |
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| Country | Link |
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| CN (1) | CN102923556B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259862A (en) * | 2015-10-27 | 2016-01-20 | 神华集团有限责任公司 | Shaft operation control system and control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54132340A (en) * | 1978-04-04 | 1979-10-15 | Mitsubishi Electric Corp | Controller for motor-driven door |
| CN201176780Y (en) * | 2008-04-14 | 2009-01-07 | 赵中庆 | Medical automatic intelligent X ray shooting protection door controller |
| CN102454329A (en) * | 2010-10-22 | 2012-05-16 | 中国船舶重工集团公司第七一三研究所 | Improved interface circuit of shielding door system and signal system |
| CN203095374U (en) * | 2012-11-12 | 2013-07-31 | 淮南矿业(集团)有限责任公司 | Wellhead safety gate control device and system |
-
2012
- 2012-11-12 CN CN201210450375.9A patent/CN102923556B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54132340A (en) * | 1978-04-04 | 1979-10-15 | Mitsubishi Electric Corp | Controller for motor-driven door |
| CN201176780Y (en) * | 2008-04-14 | 2009-01-07 | 赵中庆 | Medical automatic intelligent X ray shooting protection door controller |
| CN102454329A (en) * | 2010-10-22 | 2012-05-16 | 中国船舶重工集团公司第七一三研究所 | Improved interface circuit of shielding door system and signal system |
| CN203095374U (en) * | 2012-11-12 | 2013-07-31 | 淮南矿业(集团)有限责任公司 | Wellhead safety gate control device and system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259862A (en) * | 2015-10-27 | 2016-01-20 | 神华集团有限责任公司 | Shaft operation control system and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN102923556B (en) | 2015-08-19 |
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