CN203747496U - Novel mining even-power-supply switching controller - Google Patents
Novel mining even-power-supply switching controller Download PDFInfo
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- CN203747496U CN203747496U CN201420036347.7U CN201420036347U CN203747496U CN 203747496 U CN203747496 U CN 203747496U CN 201420036347 U CN201420036347 U CN 201420036347U CN 203747496 U CN203747496 U CN 203747496U
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Abstract
The utility model discloses a novel mining even-power-supply switching controller. The controller comprises a main transformer and an auxiliary transformer which are connected to a main power supply and an auxiliary power supply respectively. A first secondary output terminal of the main transformer is connected to a load through a normally-open contact of a first contactor and a protector successively. A first secondary output terminal of the auxiliary transformer is connected to the load through the normally-open contact of the first contactor and the protector. A linkage switch control circuit is also included. The linkage switch control circuit is formed by a first contactor switching control circuit connected to a second secondary output terminal of the main transformer and a second contactor switching control circuit connected to a second secondary output terminal of the auxiliary transformer. An output terminal of the first contactor switching control circuit is connected to a first contactor coil. An output terminal of the second contactor switching control circuit is connected to a second contactor coil. By using the controller of the utility model, reliable and stable automatic switching of the main and auxiliary power supplies can be realized and disadvantages of current equipment are overcome.
Description
Technical field
The utility model relates to a kind of mineral electrical apparatus, relates in particular to a kind of mining even power source switching controller.
Background technology
At present, underground substation formula safety monitoring system substation all adopts single circuit power supply system power supply, although substation storage battery can ensure more than 2 hours self discharge power supplies after electric power system has a power failure, but substation power is many and digging power supply shares, affected by digging power supply large, once mining system interruption duration exceedes more than 2 hours, Monitor Sub-Station of Less storage battery just there will be and discharges completely and cause supervisory control system locking to quit work, and substation service lifetime of accumulator is with to discharge and recharge number of times relevant, discharge and recharge frequently the capacity that can shorten storage battery, correspondingly shorten the storage battery self-powered time, totally unfavorable to safety.
Domestic have two kinds to the supply power mode of supervisory control system at present, a kind of mode is special circuit power supply, which need to be laid private cable toward down-hole from ground, although avoided the impact of down-hole mining power supply, but laying-out is long, wire diameter is larger, and voltage drop is large, still be single circuit power supply, power down phenomenon is not still resolved.Another kind of mode is exactly the underground substation single circuit power supply generally adopting at present, affected by digging power supply larger, and supervisory control system power down is frequent.More external coal mining Country Monitor systems adopt bus type more, and dedicated transformer and special circuit power supply, power more stable, and supervisory control system power down phenomenon is relatively less.
Summary of the invention
The purpose of this utility model is to provide a kind of mining even power source switching controller, can realize reliable and stable major-minor power supply and automatically switch, and overcomes the drawback of existing equipment.
The utility model adopts following technical proposals:
The even power source switching controller of a kind of new type mining, comprise the main transformer and the teaser transformer that connect respectively main power source and auxiliary power, the first secondary output end of main transformer is connected load by the first contactor normally opened contact with protector successively, and the first secondary output end of teaser transformer is connected load by the first contactor normally opened contact with protector; Also comprise interlock control switching circuit, the second contactor control switching circuit that interlock control switching circuit is connected by the first contactor control switching circuit being connected with the second subprime output of main transformer with the second subprime output of teaser transformer forms, the output of the first contactor control switching circuit connects the first contactor coil, and the output of the second contactor control switching circuit connects the second contactor coil.
The first end of described main transformer second subprime output is connected with the second end of main transformer second subprime output by main fuse, the first relay coil; The first end of main transformer second subprime output is also connected with the second end of main transformer second subprime output with the first contactor coil by main fuse, the first contactor control switching circuit successively; The first described contactor control switching circuit comprises the series circuit being made up of first relay the first normally opened contact, the 3rd relay the first normally-closed contact, second relay the first normally-closed contact, the first contactor normally-closed contact; The series circuit two ends of the 3rd relay the first normally-closed contact and second relay the first normally-closed contact composition are also parallel with second relay the first normally opened contact; The series circuit two ends of the 3rd relay the first normally-closed contact, second relay the first normally-closed contact, the first contactor normally-closed contact and the first contactor coil composition are parallel with the series circuit being made up of main power source start button normally opened contact, auxiliary power start button normally-closed contact and the second relay coil; Main power source start button normally opened contact two ends are parallel with second relay the second normally opened contact; The first end of described teaser transformer second subprime output is connected with the second end of teaser transformer second subprime output by secondary fuse, the 4th relay coil; The first end of teaser transformer second subprime output is also connected with the second end of teaser transformer second subprime output with the second contactor coil by secondary fuse, the second contactor control switching circuit successively; The second described contactor control switching circuit comprises the series circuit being made up of the 4th relay the first normally opened contact, the 3rd relay the second normally-closed contact, first relay the first normally-closed contact, second relay the second normally-closed contact, the first contactor normally-closed contact; The series circuit two ends of the 3rd relay the second normally-closed contact, first relay the first normally-closed contact and second relay the second normally-closed contact composition are also parallel with the 3rd relay the first normally opened contact; The series circuit two ends of the 3rd relay the second normally-closed contact, first relay the first normally-closed contact, second relay the second normally-closed contact, the first contactor normally-closed contact and the second contactor coil composition are parallel with the series circuit being made up of auxiliary power start button normally opened contact, main power source start button normally-closed contact and the 3rd relay coil; Auxiliary power start button normally opened contact two ends are parallel with the 3rd relay the second normally opened contact.
In the first described contactor control switching circuit, between main fuse and first relay the first normally opened contact, be in series with main power source stop button; In the second described contactor control switching circuit, between secondary fuse and the 4th relay the first normally opened contact, be in series with auxiliary power stop button.
In the first described contactor control switching circuit, auxiliary power start button normally-closed contact two ends are parallel with the 4th relay the first normally-closed contact; In the second described contactor control switching circuit, main power source start button normally-closed contact two ends are parallel with first relay the second normally-closed contact.
In the first described contactor control switching circuit, the first contactor coil two ends are parallel with main power source run indicator; In the second described contactor control switching circuit, the second contactor coil two ends are parallel with auxiliary power run indicator.
In the first described contactor control switching circuit, the series circuit being made up of auxiliary power malfunction indicator lamp and the 4th relay the second normally-closed contact is connected in parallel on the first relay coil two ends.
The utility model, by first contactor control switching circuit control the first contactor coil power on/off in interlock control switching circuit, is controlled the break-make of circuit between main transformer the first secondary output end and load to realize; Utilize the power on/off of second contactor control switching circuit control the second contactor coil simultaneously, to realize, the break-make of circuit between teaser transformer the first secondary output end and load is controlled.The utility model is simple to operate, safe and reliable.Further; the utility model is also by the achieve a butt joint control of tentaculum coil of multiple relays; and the interlock function of first, second contactor is set; and interlock function between multiple relays; can effectively prevent that two-way power supply from connecting the short circuit phenomenon causing simultaneously, meanwhile, the utility model also prevents from switching to trouble power from normal power source by special protective circuit; finally reach reliable and stable Dual-power automatic switching, realize down-hole power consumption equipment dual power supply.
Brief description of the drawings
Fig. 1 is circuit diagram of the present utility model.
Embodiment
As shown in Figure 1, the utility model comprises the main transformer and the teaser transformer that connect respectively main power source and auxiliary power, the first secondary output end of main transformer is connected load by the first contactor normally opened contact KM11 with protector F3 successively, and the first secondary output end of teaser transformer is connected load by the first contactor normally opened contact KM21 with protector F3; Also comprise interlock control switching circuit, the second contactor control switching circuit that interlock control switching circuit is connected by the first contactor control switching circuit being connected with the second subprime output of main transformer with the second subprime output of teaser transformer forms, the output of the first contactor control switching circuit connects the first contactor coil KM1, realizes the break-make of circuit between main transformer the first secondary output end and load by controlling the first contactor coil KM1 power on/off; The output of the second contactor control switching circuit connects the second contactor coil KM2, realizes the break-make of circuit between teaser transformer the first secondary output end and load by controlling the second contactor coil KM2 power on/off.
The first end of described main transformer second subprime output is connected with the second end of main transformer second subprime output by main fuse FU1, the first relay coil KA1; The first end of main transformer second subprime output is also connected with the second end of main transformer second subprime output with the first contactor coil KM1 by main fuse FU1, the first contactor control switching circuit successively; The first described contactor control switching circuit comprises the series circuit being made up of first relay the first normally opened contact KA11, the 3rd relay the first normally-closed contact KA31, second relay the first normally-closed contact KA21, the first contactor normally-closed contact KM22; The series circuit two ends of the 3rd relay the first normally-closed contact KA31 and second relay the first normally-closed contact KA21 composition are also parallel with second relay the first normally opened contact KA22; The series circuit two ends of the 3rd relay the first normally-closed contact KA31, second relay the first normally-closed contact KA21, the first contactor normally-closed contact KM22 and the first contactor coil KM1 composition are parallel with the series circuit being made up of main power source start button normally opened contact K1, auxiliary power start button normally-closed contact K4 and the second relay coil KA2; Main power source start button normally opened contact K1 two ends are parallel with second relay the second normally opened contact KA23; The first end of described teaser transformer second subprime output is connected with the second end of teaser transformer second subprime output by secondary fuse FU2, the 4th relay coil KA4; The first end of teaser transformer second subprime output is also connected with the second end of teaser transformer second subprime output with the second contactor coil KM2 by secondary fuse FU2, the second contactor control switching circuit successively; The second described contactor control switching circuit comprises the series circuit being made up of the 4th relay the first normally opened contact KA41, the 3rd relay the second normally-closed contact KA32, first relay the first normally-closed contact KA12, second relay the second normally-closed contact KA24, the first contactor normally-closed contact KM12; The series circuit two ends of the 3rd relay the second normally-closed contact KA32, first relay the first normally-closed contact KA12 and second relay the second normally-closed contact KA24 composition are also parallel with the 3rd relay the first normally opened contact KA33; The series circuit two ends of the 3rd relay the second normally-closed contact KA32, first relay the first normally-closed contact KA12, second relay the second normally-closed contact KA24, the first contactor normally-closed contact KM12 and the second contactor coil KM2 composition are parallel with the series circuit being made up of auxiliary power start button normally opened contact K2, main power source start button normally-closed contact K3 and the 3rd relay coil KA3; Auxiliary power start button normally opened contact K2 two ends are parallel with the 3rd relay the second normally opened contact KA34.
In order to realize in the course of the work manual hold function, in the first described contactor control switching circuit, between main fuse FU1 and first relay the first normally opened contact KA11, be in series with main power source stop button SB1; In the second described contactor control switching circuit, between secondary fuse FU2 and the 4th relay the first normally opened contact KA41, be in series with auxiliary power stop button SB2.Also can main power source stop button SB1 in the present embodiment and auxiliary power stop button SB2 be set to same power supply stop button, when pressing after this power supply stop button, main power source and auxiliary power are all in off position.
In the first described contactor control switching circuit, the first contactor coil KM1 two ends are parallel with main power source run indicator L1; In the second described contactor control switching circuit, the second contactor coil KM2 two ends are parallel with auxiliary power run indicator L2.Main power source run indicator L1 and auxiliary power run indicator L2 are for indicating respectively the operating state of main power source and auxiliary power.In the first contactor control switching circuit, the series circuit being made up of auxiliary power malfunction indicator lamp L3 and the 4th relay the second normally-closed contact KA42 is connected in parallel on the first relay coil KA1 two ends.Auxiliary power malfunction indicator lamp L3 for reporting to the police in the time that auxiliary power breaks down power-off.The power-off if auxiliary power breaks down, the 4th relay coil KA4 power-off, the 4th relay the second normally-closed contact KA42 closure, auxiliary power malfunction indicator lamp L3 continuous firing is reported to the police.
The utility model in use, when main transformer and teaser transformer energising incipient stage, the the first relay coil KA1 being connected with main transformer second subprime output and the 4th relay coil KA4 being connected with teaser transformer second subprime output obtain electric, the second relay coil KA2 and the 3rd relay coil KA3 power-off.Now, in the second contactor control switching circuit, the 4th relay the first normally opened contact KA41 closure, the 3rd relay the second normally-closed contact KA32 closure, first relay the first normally-closed contact KA12 disconnection, second relay the second normally-closed contact KA24 closure, the first contactor normally-closed contact KM12 disconnect, now the second contactor coil KM2 power-off.In the first contactor control switching circuit; the first normally opened contact KA11 closure of the first relay, the 3rd relay the first normally-closed contact KA31 closure, second relay the first normally-closed contact KA21 closure, the first contactor normally-closed contact KM22 closure; the first contactor coil KM1 energising; now the first contactor normally opened contact KM11 closure; the circuit turn-on that the first secondary output end, the first contactor normally opened contact KM11, protector F3 and the load of main transformer forms; load obtains electric, and main power source run indicator L1 obtains electric work simultaneously.
The startup stage of main power source, when closed moment of main power source start button normally opened contact K1, the second relay coil KA2 obtains electric, the second relay second normally opened contact KA23 closure in parallel with main power source start button normally opened contact K1, realize the self-locking of the second relay, make the lasting energising of the second relay after main power source start button normally opened contact K1 disconnects again.Simultaneously; due to second relay the first normally opened contact KA22 closure, the first contactor normally-closed contact KM22 closure; the circuit turn-on that the first secondary output end, the first contactor normally opened contact KM11, protector F3 and the load of main transformer forms; load continues electricly; main power source run indicator L1 continuous firing, represents that main power source is in normal operating conditions.Now, due to the second contactor coil KM2 power-off, auxiliary power is in off position, and auxiliary power run indicator L2 does not work simultaneously.
The startup stage of auxiliary power, when closed moment of auxiliary power start button normally opened contact K2, the normally-closed contact of the auxiliary power start button in the first contactor control switching circuit disconnects, the first contactor coil KM1 and the second relay coil KA2 power-off, and the 3rd relay coil KA3 in the second contactor control switching circuit obtains electric, the three relay second normally opened contact KA34 closure in parallel with auxiliary power start button normally opened contact K2, realize the self-locking of the 3rd relay, make the lasting energising of the 3rd relay after auxiliary power start button normally opened contact K2 disconnects again; Due to the 4th relay the first normally opened contact KA41 closure, the 3rd relay the first normally opened contact KA33 closure, the first contactor normally-closed contact KM12 closure; now the second contactor coil KM2 obtains electric; the first contactor normally opened contact KM21 closure; the circuit turn-on that the first secondary output end, the first contactor normally opened contact KM21, protector F3 and the load of teaser transformer forms, load continues electricly.Meanwhile, auxiliary power run indicator L2 continuous firing, vice power supply is in normal operating conditions.
In the time that needs are stopped power supply, only need to press corresponding main power source stop button SB1 and auxiliary power stop button SB2.For the power supply that prevents normal work switches to trouble power, in the first described contactor control switching circuit, auxiliary power start button normally-closed contact K4 two ends are parallel with the 4th relay the first normally-closed contact KA43; In the second described contactor control switching circuit, main power source start button normally-closed contact K3 two ends are parallel with first relay the second normally-closed contact KA13.When the normal work of main power source and auxiliary power during in malfunction, the four relay first normally-closed contact KA43 in parallel with auxiliary power start button normally-closed contact K4 two ends is all the time in closure state; In the time that user presses auxiliary power start button, even if auxiliary power start button normally-closed contact K4 disconnects, the second relay also can be realized self-locking, ensures the normal work of main power source.In like manner, when the normal work of auxiliary power and main power source during in malfunction, the first relay second normally-closed contact KA13 in parallel with main power source start button normally-closed contact K3 two ends is all the time in closure state; In the time that user presses main power source start button, even if main power source start button normally-closed contact K3 disconnects, the 3rd relay also can be realized self-locking, ensures the normal work of auxiliary power.
The utility model is for the frequent power down of underground monitoring substation and the material impact producing is set out, make full use of the existing double-cricuit supply in down-hole, utilize modern Electrical Control Technology to design automatic power-supply switch, can contain the voltage within the scope of the V of AC18 V-36 according to the voltage class of monitoring equipment under existing well, for providing reliablely and stablely power supply, downhole monitoring device end supplies with, thereby overcome the impact that frequent power down causes supervisory control system, ensure the even running of supervisory control system.The utility model not only has reliable power supply guarantee to the stable operation of safety monitoring system, can also press observation system, personnel location system and the main continuous power supply of elevator system to have reliable guarantee to Underground.The utility model, by traditional relay control mode, does not need complicated programming process, in ensureing system stable operation, has greatly simplified the control mode of equipment.The utility model can pass through judgement and analysis to major and minor two-way on/off, realizes the automatic switchover between major-minor power supply.Simultaneously; in the utility model, between first, second contactor, be provided with interlock function; multiple relays are also designed with interlock function; can effectively prevent that two-way power supply from connecting the short circuit phenomenon causing simultaneously; simultaneously; the utility model also prevents from switching to trouble power from normal power source by special protective circuit, finally reaches reliable and stable Dual-power automatic switching, realizes down-hole power consumption equipment dual power supply.
Claims (6)
1. the even power source switching controller of new type mining, it is characterized in that: comprise the main transformer and the teaser transformer that connect respectively main power source and auxiliary power, the first secondary output end of main transformer is connected load by the first contactor normally opened contact with protector successively, and the first secondary output end of teaser transformer is connected load by the first contactor normally opened contact with protector; Also comprise interlock control switching circuit, the second contactor control switching circuit that interlock control switching circuit is connected by the first contactor control switching circuit being connected with the second subprime output of main transformer with the second subprime output of teaser transformer forms, the output of the first contactor control switching circuit connects the first contactor coil, and the output of the second contactor control switching circuit connects the second contactor coil.
2. the even power source switching controller of new type mining according to claim 1, is characterized in that: the first end of described main transformer second subprime output is connected with the second end of main transformer second subprime output by main fuse, the first relay coil; The first end of main transformer second subprime output is also connected with the second end of main transformer second subprime output with the first contactor coil by main fuse, the first contactor control switching circuit successively; The first described contactor control switching circuit comprises the series circuit being made up of first relay the first normally opened contact, the 3rd relay the first normally-closed contact, second relay the first normally-closed contact, the first contactor normally-closed contact; The series circuit two ends of the 3rd relay the first normally-closed contact and second relay the first normally-closed contact composition are also parallel with second relay the first normally opened contact; The series circuit two ends of the 3rd relay the first normally-closed contact, second relay the first normally-closed contact, the first contactor normally-closed contact and the first contactor coil composition are parallel with the series circuit being made up of main power source start button normally opened contact, auxiliary power start button normally-closed contact and the second relay coil; Main power source start button normally opened contact two ends are parallel with second relay the second normally opened contact; The first end of described teaser transformer second subprime output is connected with the second end of teaser transformer second subprime output by secondary fuse, the 4th relay coil; The first end of teaser transformer second subprime output is also connected with the second end of teaser transformer second subprime output with the second contactor coil by secondary fuse, the second contactor control switching circuit successively; The second described contactor control switching circuit comprises the series circuit being made up of the 4th relay the first normally opened contact, the 3rd relay the second normally-closed contact, first relay the first normally-closed contact, second relay the second normally-closed contact, the first contactor normally-closed contact; The series circuit two ends of the 3rd relay the second normally-closed contact, first relay the first normally-closed contact and second relay the second normally-closed contact composition are also parallel with the 3rd relay the first normally opened contact; The series circuit two ends of the 3rd relay the second normally-closed contact, first relay the first normally-closed contact, second relay the second normally-closed contact, the first contactor normally-closed contact and the second contactor coil composition are parallel with the series circuit being made up of auxiliary power start button normally opened contact, main power source start button normally-closed contact and the 3rd relay coil; Auxiliary power start button normally opened contact two ends are parallel with the 3rd relay the second normally opened contact.
3. the even power source switching controller of new type mining according to claim 2, is characterized in that: in the first described contactor control switching circuit, between main fuse and first relay the first normally opened contact, be in series with main power source stop button; In the second described contactor control switching circuit, between secondary fuse and the 4th relay the first normally opened contact, be in series with auxiliary power stop button.
4. the even power source switching controller of new type mining according to claim 3, is characterized in that: in the first described contactor control switching circuit, auxiliary power start button normally-closed contact two ends are parallel with the 4th relay the first normally-closed contact; In the second described contactor control switching circuit, main power source start button normally-closed contact two ends are parallel with first relay the second normally-closed contact.
5. the even power source switching controller of new type mining according to claim 4, is characterized in that: in the first described contactor control switching circuit, the first contactor coil two ends are parallel with main power source run indicator; In the second described contactor control switching circuit, the second contactor coil two ends are parallel with auxiliary power run indicator.
6. the even power source switching controller of new type mining according to claim 5, it is characterized in that: in the first described contactor control switching circuit, the series circuit being made up of auxiliary power malfunction indicator lamp and the 4th relay the second normally-closed contact is connected in parallel on the first relay coil two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420036347.7U CN203747496U (en) | 2014-01-21 | 2014-01-21 | Novel mining even-power-supply switching controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420036347.7U CN203747496U (en) | 2014-01-21 | 2014-01-21 | Novel mining even-power-supply switching controller |
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| Publication Number | Publication Date |
|---|---|
| CN203747496U true CN203747496U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420036347.7U Expired - Fee Related CN203747496U (en) | 2014-01-21 | 2014-01-21 | Novel mining even-power-supply switching controller |
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| CN (1) | CN203747496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111498427A (en) * | 2020-06-01 | 2020-08-07 | 淮南矿业(集团)有限责任公司 | Chain plate machine delayed start control circuit and control method |
-
2014
- 2014-01-21 CN CN201420036347.7U patent/CN203747496U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111498427A (en) * | 2020-06-01 | 2020-08-07 | 淮南矿业(集团)有限责任公司 | Chain plate machine delayed start control circuit and control method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20170121 |