CN203095374U - Wellhead safety gate control device and system - Google Patents
Wellhead safety gate control device and system Download PDFInfo
- Publication number
- CN203095374U CN203095374U CN 201220593442 CN201220593442U CN203095374U CN 203095374 U CN203095374 U CN 203095374U CN 201220593442 CN201220593442 CN 201220593442 CN 201220593442 U CN201220593442 U CN 201220593442U CN 203095374 U CN203095374 U CN 203095374U
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- relay
- door
- closed switch
- plc control
- safety
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Abstract
The utility model provides a wellhead safety gate control device and a wellhead safety gate control system. The wellhead safety gate control device comprises a PLC (Programmable Logic Controller) control panel, 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 panel; the first normally-closed switch is electrically connected with the PLC control panel and is connected in parallel with the gate opening relay; the gate closing relay is electrically connected with the PLC control panel and is connected in series with the first normally-closed switch; the unlocking relay is electrically connected with the PLC control panel; the second normally-closed switch is electrically connected with the PLC control panel and is connected in series with the gate opening relay; when the gate opening relay is powered on, the first normally-closed switch is switched off; and when the unlocking relay is powered on, the second normally-closed switch is switched off. By associated matching of the unlocking relay, the first and second normally-closed switches and the gate opening and gate closing relays, the device can implement functions of opening, closing, locking and unlocking a safety gate, so that misoperation generated by an operator due to the mishearing condition or the case that the sight is blocked is prevented, and damage to people or equipment entering and exiting the safety gate is avoided, and safety of controlling the safety gate is improved.
Description
Technical field
The utility model relates to mechanical technique, relates 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 liftings operations under the need use coal mine.Elevator system comprises the cage that is used for being arranged on vertical under the coal mine, cooperates the safety door with material or personal security in the assurance cage, car puller and the control setup that the promotion material enters cage with cage.Control setup and safety door and cage electrically connect.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, the safety door unlatching.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 electrically connect 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, the normally closed switch closure, 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 of estimating.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.
The utility model content
The utility model provides a kind of well head safe controlling device for doors and system, is used to optimize existing well head safe door latch apparatus.
The utility model provides a kind of well head safe controlling device for doors, is used to control the unlatching of safety door or close, and wherein, comprising:
The PLC control desk;
The relay that opens the door electrically connects with described PLC control desk;
First normally closed switch electrically connects with described PLC control desk, and is associated with the described relay 2 that opens the door;
Closed relay electrically connects with described PLC control desk, and connects with described first normally closed switch;
The release relay electrically connects with described PLC control desk;
Second normally closed switch electrically connects 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 first normally closed switch disconnects; Described release relay gets electric, and described 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, electrically connect with described PLC control desk, and be used to control 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, electrically connect with described PLC control desk, and be used to control described release relay and get electric or dead electricity.
Aforesaid well head safe controlling device for doors preferably, also comprises: door close button, electrically connect with described PLC control desk, and be used to control described closed relay and get electric or dead electricity.
The utility model also provides a kind of safety gate control system, wherein, comprises the arbitrary well head safe controlling device for doors that provides of the utility model.
The well head safe controlling device for doors that the utility model embodiment 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 maloperation that sight line is caused by retaining causes damage to the people or the equipment of the safety door of coming in and going out, improve the 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 utility model.
Description of reference numerals:
The 1-PLC control desk; The 2-relay that opens the door;
3-first normally closed switch; The 4-closed relay;
5-release relay; 6-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 utility model.As shown in Figure 1, the well head safe controlling device for doors that the utility model embodiment provides can be used to control the unlatching of safety door or close, and this well head safe controlling device for doors can comprise: PLC control desk 1, relay 2, first normally closed switch 3, closed relay 4, release relay 5 and second normally closed switch 6 open the door.
Wherein, open the door relay 2, closed relay 4, release relay 5, first normally closed switch 3 and second normally closed switch 6 all electrically connects with PLC control desk 1, closed relay 4 is connected with first normally closed switch 3, and the open the door relay 2 and second normally closed switch 6 are in series.Wherein, first normally closed switch 3 is associated with the relay 2 that opens the door, and 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 the 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 carry out corresponding action and 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, first normally closed switch 3 is associated with the relay 2 that opens the door, promptly the relay 2 of opening the door when electric, first normally closed switch 3 disconnects; Relay 2 dead electricity of opening the door, first normally closed switch, 3 closures.Second normally closed switch 6 is associated with release relay 5, promptly release relay 5 when electric, second normally closed switch 6 disconnects; Release relay 5 dead electricity, second normally closed switch, 6 closures.
Particularly, the whole implement process 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, the may command safety door is opened, and 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 promptly 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 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, first normally closed switch, 3 closures, closed relay 4 place branch roads are communicated with, and have promptly 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, promptly may command realizes the closure of safety door.
The well head safe controlling device for doors that the utility model embodiment 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 maloperation that sight line is caused by retaining causes damage to people or the equipment of the safety door of coming in and going out, improve the 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 utility model embodiment 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 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 promptly 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 second normally closed switch, the relay 2 place branch roads outages of opening the door, relay 2 dead electricity of opening the door, 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 utility model embodiment provides can also comprise: door open button 8.Particularly, door open button 8 electrically connects with PLC control desk 1, be used for control open the door relay 2 electric or dead electricity.When door open button 8 actions, PLC control desk 1 is controlled the relay 2 that opens the door and is got.Under 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 utility model embodiment provides can also comprise: unlock button 9.Particularly, unlock button 9 electrically connects with PLC control desk 1, is used to 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, 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, first normally closed switch, 3 closures, closed relay 4 place branch roads are communicated with, and have promptly realized the release that safety door closes.
On the basis of said structure, the well head safe controlling device for doors that the utility model embodiment provides can also comprise: door close button 10.Particularly, door close button 10 electrically connects with PLC control desk 1, is used to control closed relay 4 and gets electric or dead electricity.When door close button 10 actions, PLC control desk 1 control closed relay 4.Under 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 utility model embodiment 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 feasible relay that opens the door, closed relay and release relay and first, the interrelated cooperation of 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 maloperation that sight line is caused by retaining causes damage to people or the equipment of the safety door of coming in and going out, improve the safety and the standardization of safety door control, and effectively guaranteed staff's safety.
The utility model embodiment also provides a kind of safety gate control system, comprises the well head safe controlling device for doors 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 safety gate control system and course of action can not repeat them here referring to the associated description among the embodiment shown in Figure 1.
The safety gate control system that the utility model embodiment 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 maloperation that sight line is caused by retaining causes damage to people or the equipment of the safety door of coming in and going out, improve the safety and the standardization of safety door control, and effectively guaranteed staff's safety.
It should be noted that at last: above each embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to aforementioned each embodiment, 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 put 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 each embodiment technical scheme of the utility model.
Claims (6)
1. a well head safe controlling device for doors is used to control the unlatching of safety door or close, and it is characterized in that, comprising:
The PLC control desk;
The relay that opens the door electrically connects with described PLC control desk;
First normally closed switch electrically connects with described PLC control desk, and is associated with the described relay that opens the door;
Closed relay electrically connects with described PLC control desk, and connects with described first normally closed switch;
The release relay electrically connects with described PLC control desk;
Second normally closed switch electrically connects 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 first normally closed switch disconnects; Described release relay gets electric, and described 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 electrically connects with described PLC control desk, is used to control 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 electrically connects with described PLC control desk, is used to control 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 electrically connects with described PLC control desk, is used to control described closed relay and gets electric or dead electricity.
6. a safety gate control system is characterized in that, comprises arbitrary described well head safe controlling device for doors in the claim 1～5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220593442 CN203095374U (en) | 2012-11-12 | 2012-11-12 | Wellhead safety gate control device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220593442 CN203095374U (en) | 2012-11-12 | 2012-11-12 | Wellhead safety gate control device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203095374U true CN203095374U (en) | 2013-07-31 |
Family
ID=48846795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220593442 Withdrawn - After Issue CN203095374U (en) | 2012-11-12 | 2012-11-12 | Wellhead safety gate control device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203095374U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923556A (en) * | 2012-11-12 | 2013-02-13 | 淮南矿业(集团)有限责任公司 | Control device and control system for safety gate |
| CN103588076A (en) * | 2013-11-19 | 2014-02-19 | 赤峰华泰矿业有限责任公司 | Vertical shaft safety gate self-controlled lock |
-
2012
- 2012-11-12 CN CN 201220593442 patent/CN203095374U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923556A (en) * | 2012-11-12 | 2013-02-13 | 淮南矿业(集团)有限责任公司 | Control device and control system for safety gate |
| CN102923556B (en) * | 2012-11-12 | 2015-08-19 | 淮南矿业(集团)有限责任公司 | Well head safe controlling device for doors and system |
| CN103588076A (en) * | 2013-11-19 | 2014-02-19 | 赤峰华泰矿业有限责任公司 | Vertical shaft safety gate self-controlled lock |
| CN103588076B (en) * | 2013-11-19 | 2016-02-03 | 赤峰华泰矿业有限责任公司 | Safety door for vertical shaft self-control lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130731 Effective date of abandoning: 20150819 |
|
| RGAV | Abandon patent right to avoid regrant |