CN200985802Y - Vacuum duplicate supply wind electric mash gas electric closedown switch - Google Patents
Vacuum duplicate supply wind electric mash gas electric closedown switch Download PDFInfo
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- CN200985802Y CN200985802Y CNU200620020520XU CN200620020520U CN200985802Y CN 200985802 Y CN200985802 Y CN 200985802Y CN U200620020520X U CNU200620020520X U CN U200620020520XU CN 200620020520 U CN200620020520 U CN 200620020520U CN 200985802 Y CN200985802 Y CN 200985802Y
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy
Abstract
A vacuum double power wind electricity gas electricity locking switch comprising an anti explosion casing and electrical components, whose principal characteristic is one machine but multiple use, that is to say using one switch, A and B electricity supply lines can be set up under the coal mine to realize automatic conversion electricity supply between two electricity powers, and in no special circumstance, output electricity is always available; at the advancing surface, wind electricity locking and gas electricity locking are realized; when in automatic or man made delay, the requirement of first wind then electricity can be reached; when the gas of the advancing surface is beyond the standard, the gas powerdown implements cutting the electricity power of the feeder work device, and meantime sends out acoustooptical alarm; in the mine of high gas content, when the rotating fan is broken down, the spare fan will be soon started ventilation; when the feeder work device and the line have trouble, the protection line will cut off the power and manual locking is needed, thereby ensuring safely maintaining the devices, change and arranging the lines. The utility model has the advantages of simple structure, complete functions, reliable performance and easy operation, and has high technological content, conforming to the policy for the mine safe industry.
Description
Affiliated technical field:
The utility model relates to the mine ventilation safety control, especially solves the automatic control switch of coal mine evacuation working face ventilation system and electric power system.
Background technology:
According to stipulating that the downhole production scope of operation must be set up first, second production supply line in " safety regulations in coal mine " " electromechanics " clause, when guarantee was broken down on the A-wire road, the second circuit should come into operation immediately, guaranteed to produce and continued; In the 128th, 129,158,160 of " one logical, three anti-" clauses, require booster should adopt dedicated transformer, special switch, special circuit, the driving face of ventilation fan air-supply must not blowing-out; Highly gassy mine, coal (rock) and gas projecting mine must be equipped with methane fan stoppage breaker or methane monitor breaker and fan stoppage breaker, and require to be provided with standby ventilation fan.When gas exceeds standard, should cut off the power supply immediately, stop sending driving face all power supplys, and special circuit can make ventilation fan normal operation air-supply, and the while sound and light alarm, the prompting staff in time spreads out the hazardous area; When the driving face circuit, when electric equipment breaks down, should cut off the power supply automatically, to cut off the electricity supply, ventilation fan runs well and blows, and guarantees that circuit, equipment overhaul smoothly, change; When ventilation fan breaks down, standby fan starting operation immediately air-supply.
At present, the switch that occupies of market all is simple function or connects by external device (ED) with many switches and instrument and to reach the safety in production requirement.This control formal cause needs many switches and instrument, not only increases installation, maintenance workload and increase cost of ton coal.Multiple switch of particularly this usefulness and instrument are by the outside control type that connects, even good again interlocked control, production is badly in need of and is not had under the standby condition at the scene, can arbitrarily take one, be directed at interlocked control by artificial destruction, the driving face safety measure does not have reliable technique to guarantee.
Summary of the invention:
For overcoming above-mentioned deficiency, the utility model provides a kind of vacuum dual power supply wind-powered electricity generation gas electric locking switch, can be in first, use in the second two-supply circuit, when A power supply breaks down or have a power failure, b power supply is realized the automatic interlock conversion, the assurance b power supply is in time carried, in operation can the manually-operated locking, control ventilation fan and to the work plane feed, and realize wind-powered electricity generation automatic blocking, send the state of electricity or power failure not by artificial destruction to work plane, power supply automatic delayed and manually time-delay at the appointed time, are blown earlier and are afterwards sent, can realize the gas electric locking, ventilate and do not miss overhaul of the equipments, the realization standby fan is changed automatically, and no standby electric power battery can be realized gas monitor, outage, it is uninterrupted to report to the police, can realize and aboveground monitor networking, in time transmit this switch operating condition and gas information.
The technical scheme that a kind of its technical solution problem of vacuum dual power supply wind-powered electricity generation gas electric locking switch is taked is made up of shell and circuit; shell adopts the square design; steel plate is through shearing; crimping; be welded; junction box and case top lid contact surface; reach national explosive-proof grade requirement; shell is provided with two power supply A; the B connection jaws; respectively with wiring terminal Xa1; Xa2; Xa3; Xb1; Xb2; Xb3 joins; two the load connection jaws respectively with blower fan loop integrated protector for electric motor JDB1 wiring terminal D11; D12; D13 and feeding circuit integrated protector for electric motor JDB2 wiring terminal D21; D22; D23 joins; shell junction box front is provided with five connection jaws; two gas probe A/B interface; the standby fan interface; signal output and spare interface; casing cover is provided with the duty indication window and gas density shows and acoustic-optic alarm; shell is provided with A; B-source conversion and control button; respectively with button QTa; button QTb links to each other; and be provided with a locking screw; be provided with blower fan vacuum contactor CKJ1 and feed vacuum contactor CKJ2 control button simultaneously; link to each other with stop button TA1 with the starting button QA1 in the blower fan vacuum contactor CKJ1 control loop; link with starting button QA2 and stop button TA2 in the feed vacuum contactor CKJ2 control loop; and starting button QA2 one side in feed vacuum contactor CKJ2 control loop is provided with the locking screw
Circuit by the vacuum dual power supply change loop, power loop and lock between air and electricity control loop, lock between air and electricity control loop, gas electric locking work loop automatically, two blower fan automatic switching circuit is formed,
The vacuum dual power supply is changed the loop automatically and is made up of the vacuum contactor CKJa in the A circuit, stop button QTa, control transformer KB, fuse RD; The vacuum dual power supply is changed vacuum contactor CKJb in the standby electric power B circuit of loop automatically, has been stopped button QTb, control transformer KB1, fuse RD forms, control loop in the A circuit is connected in series by normal battle of the ZJa1-1 of the power end of the control coil QIa1-QIa2 of vacuum contactor CKJa and intermediate relay ZJ a, with the output 4,9 of control transformer KB1 and connect; Control loop in the B circuit is connected in series with the normal opened contact ZJb1-1 of intermediate relay ZJ b by the power end of the control coil QIb1-QIb2 of vacuum contactor CKJb, with the output 4,9 of control transformer KB1 and connect; In the dual-power automatic switching device starting control loop, the A circuit is introduced power supply by Xa3 and is joined through 7 end points of button QTa and control transformer KB1, be serially connected with integrated protector for electric motor JDB1 constant close contact 3-4 through 8 end points, be serially connected on the normally closed contact of vacuum contactor CKJb with fuse RD, insert power supply Xa2 through QTa again; In the dual-power automatic switching device starting control loop, the B circuit is introduced power supply by Xb3 and is joined through 7 end points of button QTb and control transformer KB1, be serially connected with integrated protector for electric motor JDB1 constant close contact 3-4 through 8 end points, be serially connected on the normally closed contact of vacuum contactor CKJa with fuse RD, insert power supply Xb2 through stopping button QTb again; The output load loop is made up of reversing switch HGK and the blower fan vacuum contactor JDB1 that is connected in series with it,
Power loop and lock between air and electricity control loop: the integrated protector for electric motor JDB2 that the integrated protector for electric motor JDB1 that power loop is connected in series by blower fan vacuum contactor CKJ1 and load side thereof is connected in series with feed vacuum contactor CKJ2 and load side thereof is in parallel each other; the lock between air and electricity control loop comprises control transformer KB1 and blower fan vacuum contactor CKJ1 control loop and feed vacuum contactor CKJ2 control loop; blower fan vacuum contactor CKJ1 control loop is by starting button QA1; stop button TA1; the normal opened contact serial connection of intermediate relay ZJ 1 and integrated protector for electric motor JDB1; feed vacuum contactor CKJ2 control loop is by starting button QA2; stop button TA2; intermediate relay ZJ 2; the normal opened contact ZJ1-2 of intermediate relay ZJ 1 and the normal opened contact of integrated protector for electric motor JDB2 serial connection; the end points of two control loops all links with control transformer KB1; be serially connected with the normal opened contact ZJ1-1 of relay ZJ1 in the dc coil QI1 loop of blower fan vacuum contactor CKJ1; be connected to the normal opened contact ZJ2---1. of relay ZJ2 in the dc coil QI2 loop of feed vacuum contactor CKJ2
In the lock between air and electricity control loop, being provided with a time-delay relay SJ is connected in series with the normal opened contact of blower fan vacuum contactor CKJ1, its end points and control transformer KB1 link, and are serially connected with the normal opened contact of time-delay relay SJ in feed vacuum contactor CKJ2 control loop
Gas electric locking work loop is by power transformer KB2, intrinsicallysafecircuit BADY, gas outage executive circuit relay WSJ, sound light alarming circuit SGBJ, gas monitor circuit WSJC and gas probe A, B parallel connection, the normally closed contact of gas outage executive circuit relay WSJ is connected in series with the control loop of feed vacuum contactor CKJ2
Two blower fan automatic switching circuits are by power loop blower fan vacuum contactor CKJ3 load side and the integrated protector for electric motor JDB3 serial connection that is connected in series, and control loop is connected in series with the dc coil loop of blower fan vacuum contactor CKJ3 by the normal opened contact of blower fan vacuum contactor CKJ1.
Beneficial effect:
The utility model is saved many switches and instrument and meter, reduces cost, and has reduced carrying, installation and maintenance load.A tractor serves several purposes sets up under coal mine in first, the second supply line and to realize that dual power supply changes power supply automatically, not in particular cases, electricity output is arranged all the time; Realize lock between air and electricity and gas electric locking at driving face; Realize automatic or manual time-delay, reaching blows earlier afterwards send the time difference requirement of electricity; When driving face gas exceeded standard, gas outage executive circuit cut off feed implement power supply, and the while sound and light alarm; Highly gassy mine, when the running blower fan broke down, standby fan starting operation was immediately ventilated; When the feed implement, when circuit breaks down, the holding circuit action power dump through manual block, can carry out safely that overhaul of the equipments, replacing and circuit are auxilliary to be established.
Description of drawings:
Fig. 1, vacuum dual power supply wind-powered electricity generation gas electric locking switch housing front schematic view.
Fig. 2, vacuum dual power supply wind-powered electricity generation gas electric locking switch housing side schematic view.
Fig. 3, junction box's structural representation.
Fig. 4, vacuum dual power supply wind-powered electricity generation gas electric locking on-off circuit schematic diagram.
Fig. 5, have lock between air and electricity, send the vacuum dual power supply wind-powered electricity generation gas electric locking on-off circuit schematic diagram of electric Automatic Time Lag Function.
Fig. 6, vacuum dual power supply wind-powered electricity generation gas electric locking on-off principle figure with gas electric locking, outage sound and light alarm, state deixis.
Fig. 7, has the vacuum dual power supply wind-powered electricity generation gas electric locking on-off principle figure of standby fan auto-conversion function.
Embodiment:
With reference to Fig. 1, Fig. 2, shell of the present utility model adopts flame-proof type.Mainly by junction box 1, housing 2, cap 3, cap handle 4, carriage 5, A/B circuit button 6, feed control button 7, blower fan control button 8 is isolated reversing switch handle 9, A/B circuit button locking screw 10, feed button locking screw 11, locking screw bracket 12, the locking screw rod constitutes 13.
With reference to Fig. 3, the junction box has nine connection jaws, two connection jaws a-power supply line mouths 14 and B-source connection jaws 15 are promptly arranged, two load connection jaws 16 and 17, connection jaws 18 comprises two gas probe connection jaws, a standby fan connection jaws and a signal output connection mouth, another is standby connection jaws.
With reference to Fig. 3, Fig. 4; conversion output loop of the present utility model is to be joined with vacuum contactor CKJa input by the Xa1/Xa2/Xa3 introducing of a-power supply wiring terminal 19; the Xb1/Xb2/Xb3 of B-source wiring terminal 20 introduces with vacuum contactor CKJb input and joins; the output of two contactors is connected in series with reversing switch HGK input mutually and after connecing; its output is with after the input of integrated protector for electric motor JDB1 is connected in series, and drawn and the output wiring terminal D11/D12/D13 that loads joins and forms by output.Its control loop is inserted the input of start-stop button QTa by the Xa2/Xa3 of the power supply terminal 19 of A, the normally closed contact 4---3 serial connection of one side of output and the normally closed contact of vacuum contactor CKJb, fuse RD, integrated protector for electric motor JDB1, input common with opposite side and control transformer KB1 joins; Insert the input of start-stop button QTb by the Xb2/Xb3 of B-source wiring terminal 20; the normally closed contact 4---3 serial connection of one side of output and the normally closed contact of vacuum contactor CKJa, fuse RD, electronic comprehensive motor protector JDB1, input common with opposite side and control transformer KB1 joins.The output of control transformer KB1 is connected in series afterwards and connects with the closing point a of start-stop button QTa with intermediate relay ZJ a, one side is connected in series with the normal opened contact ZJa1--1 of intermediate relay ZJ a, be attempted by the input of power rectifier ZLQa with opposite side, its output and control coil QIa also connect.The output of control transformer KB1 is connected in series afterwards and connects with the closing point b of start-stop button QTb with intermediate relay ZJ b, one side is connected in series with the normal opened contact ZJb1--1 of intermediate relay ZJ b, be attempted by the input of power rectifier ZJQb with opposite side, its output and control coil QIb also connect.This circuit can be made the vacuum double power supply automatic transfer switch,
With reference to Fig. 5; reversing switch load output at Fig. 4 is connected in series two inputs blower fan vacuum contactor CKJ1 and the feed vacuum contactor CKJ2 connected with each other that sets up; the output of blower fan vacuum contactor CKJ1 is connected in series with the input of integrated protector for electric motor JDB1, and its output and 21 blower fan wiring terminal D11/D12/D13 join.The output of feed vacuum contactor CKJ2 is connected in series with the input of integrated protector for electric motor JDB2, and its output and 22 feed connection terminal D21/D22/D23 join.Control loop provides power supply by the output of KB1: the normal opened contact of output 4 and blower fan vacuum contactor CKJ1 and time-delay relay SJ is connected in series and join with output 9; Output 4 is connected in series with normally closed contact 4---3, intermediate relay ZJ 1, stop button QT1 and the starting button QA1 of integrated protector for electric motor JDB1 and joins with output 9; Output 4 is connected in series with the normal opened contact of integrated protector for electric motor JDB2 normally closed contact 4---3, intermediate relay ZJ 2, intermediate relay ZJ 1-2, stop button TA2, starting button QA2 and time-delay relay SJ and joins with output 9; Output 4 is connected in series with the normal opened contact of intermediate relay ZJ 1-1 and output 9 joins with the input with power rectifier ZLQ1, and the control coil QI1 of its output and blower fan vacuum contactor CKJ1 also connects; Output 4 is connected in series with the normal opened contact of intermediate relay ZJ 2-1 and output 9 joins with the input with power rectifier ZQL2, and the control coil QI2 of its output and feed vacuum contactor CKJ2 also connects.
With reference to Fig. 6, on the basis of Fig. 5, set up gas monitor, outage, warning system circuit, carried out road WSJ, acoustic-optic alarm SGBJ, gas-monitoring device WSJC and external gas probe A/B by power transformer KB2 (its power input is identical with the input connection of power transformer KB1), essential safety source circuit BADY, gas outage and form.The normally closed contact of gas outage executive circuit relay WSJ is serially connected in the loop of control button TA2/QA2 of feed vacuum contactor CKJ2.This circuit can be realized wind-powered electricity generation gas electric locking and function for monitoring.
With reference to Fig. 7, standby fan vacuum contactor CKJ3 and integrated protector for electric motor JDB3 and duty indicating circuit on the basis of Fig. 6, have been set up.The input of blower fan vacuum contactor CKJ3 and the output of reversing switch HGK join, and output is connected in series with the input of integrated protector for electric motor JDB3, and its output and standby fan load wiring terminal D31/D32/D33 join.
The utility model operating principle is as follows:
With reference to Fig. 4; work as A; B-source inserts all just often; reversing switch HGK handle is turned to closure by 0; press the QTa in the 6A/B circuit button on the lower casing; the energising of control transformer KB1 input, output produces power supply, and closing point a connects; the intermediate relay ZJ a conduction adhesive that makes and connect; be serially connected in the normal opened contact ZJa1--1 closure of ZQLa in the rectifier, control coil QIa action at this moment, vacuum contactor CKJa main contact adhesive conduction; send to load side D11/D12/D13 through integrated protector for electric motor JDB1; the normally closed contact that is serially connected in vacuum contactor CKJa in the B-source control loop is opened, and press the button QTb this moment, and B-source is in treats duty.10 lockings of locking screw, has only professional's ability unlocking.When the A circuit breaks down or has a power failure; closing point b connects; the intermediate relay ZJ b conduction adhesive that makes and connect; be serially connected in the normal opened contact ZJb1--1 closure of ZQLb in the rectification; at this moment control coil QIb action, vacuum contactor CKJb main contact adhesive conduction is sent to load side D11/D12/D13 through integrated protector for electric motor JDB1; the normally closed contact that is serially connected in vacuum contactor CKJb in the a-power supply control loop is opened, and a-power supply is in treats duty.When load circuit or device fails, integrated protector for electric motor JDB1 action, normally closed contact 4,3 disconnects, the output of control transformer KB1 non-transformer, vacuum contactor CKJa does not work, no-output voltage,
With reference to Fig. 5; under the normal operating conditions of Fig. 4; press the starting button QA1 in the lower casing fan control button 8; be connected in series the intermediate relay ZJ 1 conduction adhesive in its loop; be serially connected in the intermediate relay ZJ 1-1 normal opened contact closure in power rectifier ZLQ1 loop; control coil QI1 action, blower fan vacuum contactor CKJ1 main contact adhesive conduction, the blower fan that inserts through the output of integrated protector for electric motor JDB1 can run well work.The blower fan vacuum contactor CKJ1 that is connected in series with the time-delay relay SJ closure of often making war makes time-delay relay SJ energising work.Press the starting button QA2 in the feed button 7 on the lower casing this moment; the normal opened contact that is connected in series the time-delay relay SJ in its loop reaches the stipulated time closure; normal battle of the ZJ1-2 closure of intermediate relay ZJ 1; at this moment intermediate relay ZJ 2 conduction adhesives; be serially connected in the intermediate relay ZJ 2-1 normal opened contact closure in power rectifier ZLQ2 loop; control coil QI2 action; feed vacuum contactor CKJ2 main contact adhesive conduction, but through the output access device operate as normal of integrated protector for electric motor JDB2.When break down in the blower fan loop; integrated protector for electric motor JDB1 action; the normally closed contact that is connected in series the integrated protector for electric motor JDB1 in its control loop disconnects; intermediate relay ZJ 1 outage; ZJ1-1 discharges and opens contact; control coil QI1 outage, blower fan vacuum contactor CKJ1 main contact is opened and is stopped power supply.Contact is opened in the ZJ1-2 release that is serially connected in simultaneously in the feed control loop, makes intermediate relay ZJ 2 outages, and ZJ2-1 discharges and opens contact, control coil QI2 outage, and feed vacuum contactor CKJ2 main contact is opened and is stopped power supply.Realized that blowing-out must have a power failure.When the feed load loop broke down, the integrated protector for electric motor JDB2 normally closed contact that is connected in series in its control loop disconnected, and made intermediate relay ZJ 2 outages, and feeding circuit is stopped power supply, and ventilation fan normal operation air-supply.At this moment available feed button locking screw 11 is with starting button QA2 locking, and its state is not by artificial destruction, and the staff can carry out maintenance of equipment and replacing relievedly.
With reference to Fig. 6, under Fig. 5 normal operating conditions, the power transformer KB2 energising work in the gas electric locking operating circuit, its principle belongs to prior art, no longer states.When gas probe A or B detect face gas when overproof, gas monitor circuit WSJC sends information to sound light alarming circuit SGBJ and gas outage executive circuit WSJ, at this moment being serially connected in gas outage in the feed control loop holds relay WSJ normally closed contact and disconnects immediately, intermediate relay ZJ 2 outages, ZJ2-1 discharges and opens contact, control coil QI2 outage, feed vacuum contactor CKJ2 main contact is opened and is stopped power supply, and ventilation fan runs well and blows.Have only when gas amount is got rid of certain standard, could start the feeding circuit power supply.Gas electric locking and sound and light of alarm have been realized.
With reference to Fig. 7; under Fig. 6 normal operating conditions; when break down in running blower fan loop; integrated protector for electric motor JDB1 contact disconnects; intermediate relay ZJ 1 outage; ZJ1-1 discharges and opens contact; control coil QI1 outage; blower fan vacuum contactor CKJ1 main contact is opened and is stopped power supply; the running blower fan vacuum contactor CKJ1 contact that is serially connected in power rectifier ZLQ3 simultaneously discharges closed; the control coil QI3 adhesive of switching on, the closed conduction of blower fan vacuum contactor CKJ3 main contact, standby fan starting operation immediately air-supply.The two blower fan auto-conversion functions of highly gassy mine have been realized.
Claims (1)
1. vacuum dual power supply wind-powered electricity generation gas electric locking switch; form by shell and circuit; it is characterized in that: shell is provided with two power supply A; the B connection jaws; respectively with wiring terminal Xa1; Xa2; Xa3; Xb1; Xb2; Xb3 joins; two the load connection jaws respectively with blower fan loop integrated protector for electric motor JDB1 wiring terminal D11; D12; D13 and feeding circuit integrated protector for electric motor JDB2 wiring terminal D21; D22; D23 joins; shell junction box front is provided with five connection jaws; two gas probe A/B interface; the standby fan interface; signal output and spare interface; casing cover is provided with the duty indication window and gas density shows and acoustic-optic alarm; shell is provided with A; B-source conversion and control button; respectively with button QTa; button QTb links to each other; and be provided with a locking screw; be provided with blower fan vacuum contactor CKJ1 and feed vacuum contactor CKJ2 control button simultaneously; link to each other with stop button TA1 with the starting button QA1 in the blower fan vacuum contactor CKJ1 control loop; link with starting button QA2 and stop button TA2 in the feed vacuum contactor CKJ2 control loop; and starting button QA2 one side in feed vacuum contactor CKJ2 control loop is provided with the locking screw
The control loop that the vacuum dual power supply is changed in the A circuit of loop automatically is connected in series by normal battle of the ZJa1-1 of the power end of the control coil QIa1-QIa2 of vacuum contactor CKJa and intermediate relay ZJ a, with output (4), (9) of control transformer KB1 and connect; Control loop in the B circuit is connected in series with the normal opened contact ZJb1-1 of intermediate relay ZJ b by the power end of the control coil QIb1-QIb2 of vacuum contactor CKJb, with output (4), (9) of control transformer KB1 and connect; In the dual-power automatic switching device starting control loop, the A circuit is introduced power supply by Xa3 and is joined through 7 end points of button QTa and control transformer KB1, be serially connected with integrated protector for electric motor JDB1 constant close contact 3-4 through (8) end points, be serially connected on the normally closed contact of vacuum contactor CKJb with fuse RD, insert power supply Xa2 through button QTa again; In the dual-power automatic switching device starting control loop, the B circuit is introduced power supply by Xb3 and is joined through 7 end points of button QTb and control transformer KB1, be serially connected with integrated protector for electric motor JDB1 constant close contact 3-4 through 8 end points, be serially connected on the normally closed contact of vacuum contactor CKJa with fuse RD, insert power supply Xb2 through QTb again; The output load loop is made up of reversing switch HGK and the integrated protector for electric motor JDB1 that is connected in series with it,
It is in parallel each other that the general motor that the integrated protector for electric motor JDB1 that power loop is connected in series by blower fan vacuum contactor CKJ1 and load side thereof is connected in series with feed vacuum contactor CKJ2 and load side thereof protects device JDB2; the lock between air and electricity control loop comprises control transformer KB1 and blower fan vacuum contactor CKJ1 control loop and feed vacuum contactor CKJ2 control loop; blower fan vacuum contactor CKJ1 control loop is by starting button QA1; stop button TA1; the normal opened contact serial connection of intermediate relay ZJ 1 and integrated protector for electric motor JDB1; feed vacuum contactor CKJ2 control loop is by starting button QA2; stop button TA2; intermediate relay ZJ 2; the normal opened contact ZJ1-2 of intermediate relay ZJ 1 and the normal opened contact of integrated protector for electric motor JDB2 serial connection; the end points of two control loops all links with control transformer KB1; be serially connected with the normal opened contact ZJ1-1 of relay ZJ1 in the dc coil QI1 loop of blower fan vacuum contactor CKJ1; be connected to the normal opened contact ZJ2---1 of relay ZJ2 in the dc coil QI2 loop of vacuum contactor CKJ2
In the lock between air and electricity control loop, being provided with a time-delay relay SJ is connected in series with the normal opened contact of blower fan vacuum contactor CKJ1, its end points and control transformer KB1 link, and are serially connected with the normal opened contact of time-delay relay SJ in feed vacuum contactor CKJ2 control loop
Gas electric locking work loop is by power transformer KB2, intrinsicallysafecircuit BADY, gas outage executive circuit relay WSJ, sound light alarming circuit SGBJ, gas monitor circuit WSJC and gas probe A, the B parallel connection, the normally closed contact of gas outage executive circuit relay WSJ is connected in series with the control loop of feed contactor CKJ2, two blower fan automatic switching circuits protect device JDB3 by power loop blower fan vacuum contactor CKJ3 load side with general motor and are connected in series, and control loop is connected in series with the dc coil loop of blower fan vacuum contactor CKJ3 by the normal opened contact of blower fan vacuum contactor CKJ1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620020520XU CN200985802Y (en) | 2006-03-31 | 2006-03-31 | Vacuum duplicate supply wind electric mash gas electric closedown switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620020520XU CN200985802Y (en) | 2006-03-31 | 2006-03-31 | Vacuum duplicate supply wind electric mash gas electric closedown switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200985802Y true CN200985802Y (en) | 2007-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200620020520XU Expired - Fee Related CN200985802Y (en) | 2006-03-31 | 2006-03-31 | Vacuum duplicate supply wind electric mash gas electric closedown switch |
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| Country | Link |
|---|---|
| CN (1) | CN200985802Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886549A (en) * | 2010-08-02 | 2010-11-17 | 淮南润成科技有限公司 | Control device for automatic dust suppression device by water spray |
| CN102738768A (en) * | 2012-07-17 | 2012-10-17 | 吴增明 | Gas uninterrupted monitoring protection circuit on basis of coal mining machine |
| CN102953758A (en) * | 2012-11-20 | 2013-03-06 | 山西潞安环保能源开发股份有限公司王庄煤矿 | High voltage frequency conversion system of mine ventilator with high reliability |
| CN103187904A (en) * | 2013-03-20 | 2013-07-03 | 枣庄矿业(集团)有限责任公司供电工程处 | Explosion-proof type vacuum wind power locking magnetic starter used for mine |
| CN106205258A (en) * | 2016-07-13 | 2016-12-07 | 太原煤炭气化（集团）有限责任公司技工学校 | Coal mine safety monitoring monitoring " three lockings " demonstration checking system and operational approach thereof |
| CN107780969A (en) * | 2017-10-16 | 2018-03-09 | 镇江市南方工矿器材有限公司 | A kind of methane gas monitoring power-off device of easy access |
| CN109802360A (en) * | 2019-02-22 | 2019-05-24 | 天津润和绿能科技有限公司 | Anti-error closing controller for wind-driven generator |
| CN110541838A (en) * | 2019-10-10 | 2019-12-06 | 淮北矿业股份有限公司 | intelligent fan control device |
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2006
- 2006-03-31 CN CNU200620020520XU patent/CN200985802Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886549A (en) * | 2010-08-02 | 2010-11-17 | 淮南润成科技有限公司 | Control device for automatic dust suppression device by water spray |
| CN102738768A (en) * | 2012-07-17 | 2012-10-17 | 吴增明 | Gas uninterrupted monitoring protection circuit on basis of coal mining machine |
| CN102953758A (en) * | 2012-11-20 | 2013-03-06 | 山西潞安环保能源开发股份有限公司王庄煤矿 | High voltage frequency conversion system of mine ventilator with high reliability |
| CN103187904A (en) * | 2013-03-20 | 2013-07-03 | 枣庄矿业(集团)有限责任公司供电工程处 | Explosion-proof type vacuum wind power locking magnetic starter used for mine |
| CN106205258A (en) * | 2016-07-13 | 2016-12-07 | 太原煤炭气化（集团）有限责任公司技工学校 | Coal mine safety monitoring monitoring " three lockings " demonstration checking system and operational approach thereof |
| CN106205258B (en) * | 2016-07-13 | 2019-02-01 | 太原煤炭气化（集团）有限责任公司技工学校 | Coal mine safety monitoring monitoring " three lockings " demonstration checking system and its operating method |
| CN107780969A (en) * | 2017-10-16 | 2018-03-09 | 镇江市南方工矿器材有限公司 | A kind of methane gas monitoring power-off device of easy access |
| CN109802360A (en) * | 2019-02-22 | 2019-05-24 | 天津润和绿能科技有限公司 | Anti-error closing controller for wind-driven generator |
| CN109802360B (en) * | 2019-02-22 | 2024-04-26 | 天津润和绿能科技有限公司 | Error-closing prevention controller for wind driven generator |
| CN110541838A (en) * | 2019-10-10 | 2019-12-06 | 淮北矿业股份有限公司 | intelligent fan control device |
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