CN203747495U - Novel mining even-power-supply time-delay switching controller - Google Patents
Novel mining even-power-supply time-delay switching controller Download PDFInfo
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- CN203747495U CN203747495U CN201420036283.0U CN201420036283U CN203747495U CN 203747495 U CN203747495 U CN 203747495U CN 201420036283 U CN201420036283 U CN 201420036283U CN 203747495 U CN203747495 U CN 203747495U
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Abstract
The utility model discloses a novel mining even-power-supply time-delay 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 a normally-open contact of a second contactor and the protector. A time-delay switching control circuit is also included. The time-delay switching control circuit is formed by a first-contactor time-delay switching control circuit connected to a second secondary output terminal of the main transformer and a second-contactor time-delay switching control circuit connected to a second secondary output terminal of the auxiliary transformer. An output terminal of the first-contactor time-delay switching control circuit is connected to a first contactor coil. An output terminal of the second-contactor time-delay switching control circuit is connected to a second contactor coil. By using the controller of the utility model, reliable and stable automatic time-delay 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 supply time-delay switch 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 guarantee 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 surpasses more than 2 hours, Monitor Sub-Station of Less storage battery discharges completely and causes supervisory control system locking to quit work with regard to there will be, 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 shortened 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.
Utility model content
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 automatic time delay and switch, and overcomes the drawback of existing equipment.
The utility model adopts following technical proposals:
The even power supply time-delay switch 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 second contactor normally opened contact with protector; Also comprise time delay control switching circuit, the first contactor time delay control switching circuit that time delay control switching circuit is connected by the second subprime output with main transformer forms with the second contactor time delay control switching circuit that the second subprime output with teaser transformer is connected, the output of the first contactor time delay control switching circuit connects the first contactor coil, and the output of the second contactor time delay 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 by main fuse, the first contactor time delay control switching circuit and the first contactor coil successively; The first described contactor time delay control switching circuit comprises the series circuit being comprised of very first time relay normally open contact, the second contactor normally-closed contact; The series circuit two ends that very first time relay the first normally opened contact, the second contactor normally-closed contact and the first contactor coil form are parallel with the series circuit being comprised of the first relay normally open contact, 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 first normally opened contact; The series circuit two ends that main power source start button normally opened contact, auxiliary power start button normally-closed contact and the second relay coil form are parallel with the series circuit being comprised of the 3rd relay the first normally-closed contact, very first time relay coil, and the first relay normally open contact and the 3rd relay the first normally-closed 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 series circuit that the first end of teaser transformer second subprime output also consists of secondary fuse, second time relay the first normally opened contact, the first contactor normally-closed contact successively; Second time relay the first normally opened contact two ends are parallel with the series circuit being comprised of the 4th relay normally open contact, first relay the first normally-closed contact, the 3rd relay the second normally-closed contact, second time relay the second normally opened contact; The series circuit two ends that second time relay the first normally opened contact, the first contactor normally-closed contact and the second contactor coil form are parallel with the series circuit being comprised of the 4th relay normally open contact, auxiliary power start button normally opened contact, main power source start button normally-closed contact and the 3rd relay coil, and auxiliary power start button normally opened contact two ends are parallel with the 3rd relay the first normally opened contact; The series circuit two ends that second time relay the first normally opened contact, the first contactor normally-closed contact and the second contactor coil form are parallel with the series circuit being comprised of the 3rd relay the second normally opened contact and the second time relay coil, the first end of the second time relay coil is also by the first end of first relay the first normally-closed contact, the 4th relay normally open contact auxiliary connection transformer second subprime output, the second end of the second end auxiliary connection transformer second subprime output of the second time relay coil.
In the first described contactor time delay control switching circuit, between main fuse and the first relay normally open contact, be in series with main power source stop button; In the second described contactor time delay control switching circuit, between secondary fuse and the 4th relay normally open contact, be in series with auxiliary power stop button.
In the first described contactor time delay 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 time delay 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 time delay control switching circuit, the first contactor coil two ends are parallel with main power source run indicator; In the second described contactor time delay control switching circuit, the second contactor coil two ends are parallel with auxiliary power run indicator.
In the first described contactor time delay control switching circuit, the series circuit being comprised 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 is controlled the time delay power on/off of the first contactor coil by the first contactor time delay control switching circuit in time delay control switching circuit, to realize, the time delay break-make of circuit between main transformer the first secondary output end and load is controlled; Utilize the second contactor time delay control switching circuit to control the time delay power on/off of the second contactor coil simultaneously, to realize, the time delay 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 a plurality of relays, the time relay; and the interlock function of first, second contactor is set; and the interlock function between a plurality of relays; 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 reach reliable and stable duplicate supply automatic time delay and switch, realize down-hole power consumption equipment dual power supply.
Accompanying drawing explanation
Fig. 1 is circuit diagram of the present utility model.
Embodiment
As shown in Figure 1, the utility model comprises main transformer and the teaser transformer that connects 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 second contactor normally opened contact KM21 with protector F3; Also comprise time delay control switching circuit, the first contactor time delay control switching circuit that time delay control switching circuit is connected by the second subprime output with main transformer forms with the second contactor time delay control switching circuit that the second subprime output with teaser transformer is connected, the output of the first contactor time delay control switching circuit connects the first contactor coil KM1, realizes the time delay break-make of circuit between main transformer the first secondary output end and load by controlling the time delay power on/off of the first contactor coil KM1; The output of the second contactor time delay control switching circuit connects the second contactor coil KM2, realizes the time delay break-make of circuit between teaser transformer the first secondary output end and load by controlling the time delay power on/off of the second contactor coil KM2.
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 by main fuse FU1, the first contactor time delay control switching circuit and the first contactor coil KM1 successively; The first described contactor time delay control switching circuit comprises the series circuit being comprised of very first time relay normally open contact KT11, the second contactor normally-closed contact KM22; The series circuit two ends that very first time relay normally open contact KT11, the second contactor normally-closed contact KM22 and the first contactor coil KM1 form are parallel with the series circuit being comprised of the first relay normally open contact KA11, 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 first normally opened contact KA21; The series circuit two ends that main power source start button normally opened contact K1, auxiliary power start button normally-closed contact K4 and the second relay coil KA2 form are parallel with the series circuit being comprised of the 3rd relay the first normally-closed contact KA31, very first time relay coil KT1, and the first relay normally open contact KA11 and the 3rd relay the first normally-closed contact KA31 two ends are parallel with second relay the second normally opened contact KA22; 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 series circuit that the first end of teaser transformer second subprime output also consists of secondary fuse FU2, second time relay the first normally opened contact KT21, the first contactor normally-closed contact KM12 successively; Second time relay the first normally opened contact KT21 two ends are parallel with the series circuit being comprised of the 4th relay normally open contact KA41, first relay the first normally-closed contact KA12, the 3rd relay the second normally-closed contact KA32, second time relay the second normally opened contact KT22; The series circuit two ends that second time relay the first normally opened contact KT21, the first contactor normally-closed contact KM12 and the second contactor coil KM2 form are parallel with the series circuit being comprised of the 4th relay normally open contact KA41, auxiliary power start button normally opened contact K2, main power source start button normally-closed contact K3 and the 3rd relay coil KA3, and auxiliary power start button normally opened contact K2 two ends are parallel with the 3rd relay the first normally opened contact KA33; The series circuit two ends that second time relay the first normally opened contact KT21, the first contactor normally-closed contact KM12 and the second contactor coil KM2 form are parallel with the series circuit being comprised of the 3rd relay the second normally opened contact KA34 and the second time relay coil KT2, and the first end of the second time relay coil KT2 is also by the first end of first relay the first normally-closed contact KA12, the 4th relay normally open contact KA41 auxiliary connection transformer second subprime output; The second end of the second end auxiliary connection transformer second subprime output of the second time relay coil KT2.
In order to realize in the course of the work manual hold function, in the first contactor time delay control switching circuit, between main fuse FU1 and the first relay normally open contact KA11, be in series with main power source stop button SB1; In the second described contactor time delay control switching circuit, between secondary fuse FU2 and the 4th relay normally open 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, after pressing this power supply stop button, main power source and negative supply are all in off position.
In the first described contactor time delay control switching circuit, the first contactor coil KM1 two ends are parallel with main power source run indicator L1; In the second described contactor time delay 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 time delay control switching circuit, the series circuit being comprised 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 when 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 is closed, and 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, it is electric that 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, the second relay coil KA2 and the 3rd relay coil KA3 power-off.Now, in the second contactor time delay control switching circuit, because first relay the first normally-closed contact KA12 disconnects, thereby the second time relay coil KT2 power-off, second time relay the first normally opened contact KT21 disconnects, the second contactor coil KM2 power-off.And in the first contactor time delay control switching circuit, the first relay normally open contact KA11 is closed, the 3rd relay the first normally-closed contact KA31 is closed, very first time relay coil KT1 energising, after time delay, very first time relay normally open contact KT11 is closed, because second contactor the first normally-closed contact is closed, so the first contactor coil KM1 obtains electric, the first contactor normally opened contact KM11 is closed, the first secondary output end of main transformer, the first contactor normally opened contact KM11, the circuit turn-on that protector F3 and load form, load obtains electric, main power source run indicator L1 obtains electric work simultaneously.
The startup stage of main power source, when main power source start button normally opened contact K1 closed moment, because auxiliary power start button normally-closed contact K4 is closed, the second relay coil KA2 obtains electric, the second relay first normally opened contact KA21 in parallel with main power source start button normally opened contact K1 is closed, realize the self-locking of the second relay, make the lasting energising of the second relay coil KA2 after main power source start button normally opened contact K1 disconnects again.Simultaneously; because very first time relay normally open contact KT11 is closed; the first contactor coil KM1 continues energising; the first contactor normally opened contact KM11 is closed all the time; the circuit turn-on that the first secondary output end of main transformer, the first contactor normally opened contact KM11, protector F3 and load form; load obtains electric, and 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 auxiliary power start button normally opened contact K2 closed moment, the 3rd relay coil KA3 in the second contactor time delay control switching circuit obtains electric, the three relay first normally opened contact KA33 in parallel with auxiliary power start button normally opened contact K2 is closed, realize the self-locking of the 3rd relay, make the lasting energising of the 3rd relay coil KA3 after auxiliary power start button normally opened contact K2 disconnects again, because the 3rd relay the second normally opened contact KA34 after the 3rd relay coil KA3 energising is closed, the second time relay coil KT2 obtains electric, after time delay, second time relay the first normally opened contact KT21 is closed, because auxiliary power start button normally-closed contact K3 moment the auxiliary power startup stage disconnects, the second relay coil KA2 power-off, now second relay the second normally opened contact KA22 disconnects, and the 3rd relay the first normally-closed contact KA31 disconnects, very first time relay K T1 power-off, very first time relay normally open contact KT11 disconnects, the first contactor coil KM1 power-off, the first contactor normally-closed contact KM12 is closed, main power source quits work.Because second time relay the first normally opened contact KT21 is closed, the first contactor normally-closed contact KM12 is closed; now the second contactor coil KM2 obtains electric; the second contactor normally opened contact KM21 is closed; the circuit turn-on that the first secondary output end of teaser transformer, the second contactor normally opened contact KM21, protector F3 and load form; load continues electricly; auxiliary power run indicator L2 continuous firing, vice power supply is in normal operating conditions.
When needs are stopped power supply, only need to press corresponding main power source stop button SB1 and auxiliary power stop button SB2.In order to prevent that the power supply of normal work from switching to trouble power, in the first contactor time delay 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 time delay 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; When 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, guarantees 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; When 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, guarantees 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 power supply time delay automatic switching control equipment, according to the voltage class of monitoring equipment under existing well, can contain the voltage within the scope of the V of AC18 V-36, 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, guarantee 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 and time relay control mode, does not need complicated programming process, when guaranteeing system stable operation, has greatly simplified the control mode of equipment.The utility model can, by the judgement of major and minor two-way on/off and analysis, be realized the time delay automatic switchover between major-minor power supply.Simultaneously; in the utility model, between first, second contactor, be provided with interlock function; a plurality of 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 supply time-delay switch controller of a 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 second contactor normally opened contact with protector; Also comprise time delay control switching circuit, the first contactor time delay control switching circuit that time delay control switching circuit is connected by the second subprime output with main transformer forms with the second contactor time delay control switching circuit that the second subprime output with teaser transformer is connected, the output of the first contactor time delay control switching circuit connects the first contactor coil, and the output of the second contactor time delay control switching circuit connects the second contactor coil.
2. the even power supply time-delay switch 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 by main fuse, the first contactor time delay control switching circuit and the first contactor coil successively; The first described contactor time delay control switching circuit comprises the series circuit being comprised of very first time relay normally open contact, the second contactor normally-closed contact; The series circuit two ends that very first time relay the first normally opened contact, the second contactor normally-closed contact and the first contactor coil form are parallel with the series circuit being comprised of the first relay normally open contact, 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 first normally opened contact; The series circuit two ends that main power source start button normally opened contact, auxiliary power start button normally-closed contact and the second relay coil form are parallel with the series circuit being comprised of the 3rd relay the first normally-closed contact, very first time relay coil, and the first relay normally open contact and the 3rd relay the first normally-closed 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 series circuit that the first end of teaser transformer second subprime output also consists of secondary fuse, second time relay the first normally opened contact, the first contactor normally-closed contact successively; Second time relay the first normally opened contact two ends are parallel with the series circuit being comprised of the 4th relay normally open contact, first relay the first normally-closed contact, the 3rd relay the second normally-closed contact, second time relay the second normally opened contact; The series circuit two ends that second time relay the first normally opened contact, the first contactor normally-closed contact and the second contactor coil form are parallel with the series circuit being comprised of the 4th relay normally open contact, auxiliary power start button normally opened contact, main power source start button normally-closed contact and the 3rd relay coil, and auxiliary power start button normally opened contact two ends are parallel with the 3rd relay the first normally opened contact; The series circuit two ends that second time relay the first normally opened contact, the first contactor normally-closed contact and the second contactor coil form are parallel with the series circuit being comprised of the 3rd relay the second normally opened contact and the second time relay coil, the first end of the second time relay coil is also by the first end of first relay the first normally-closed contact, the 4th relay normally open contact auxiliary connection transformer second subprime output, the second end of the second end auxiliary connection transformer second subprime output of the second time relay coil.
3. the even power supply time-delay switch controller of new type mining according to claim 2, is characterized in that: in the first described contactor time delay control switching circuit, between main fuse and the first relay normally open contact, be in series with main power source stop button; In the second described contactor time delay control switching circuit, between secondary fuse and the 4th relay normally open contact, be in series with auxiliary power stop button.
4. the even power supply time-delay switch controller of new type mining according to claim 3, is characterized in that: in the first described contactor time delay 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 time delay 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 supply time-delay switch controller of new type mining according to claim 4, is characterized in that: in the first described contactor time delay control switching circuit, the first contactor coil two ends are parallel with main power source run indicator; In the second described contactor time delay control switching circuit, the second contactor coil two ends are parallel with auxiliary power run indicator.
6. the even power supply time-delay switch controller of new type mining according to claim 5, it is characterized in that: in the first described contactor time delay control switching circuit, the series circuit being comprised 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 |
|---|---|---|---|
| CN201420036283.0U CN203747495U (en) | 2014-01-21 | 2014-01-21 | Novel mining even-power-supply time-delay switching controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420036283.0U CN203747495U (en) | 2014-01-21 | 2014-01-21 | Novel mining even-power-supply time-delay switching controller |
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| CN203747495U true CN203747495U (en) | 2014-07-30 |
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| CN201420036283.0U Expired - Fee Related CN203747495U (en) | 2014-01-21 | 2014-01-21 | Novel mining even-power-supply time-delay switching controller |
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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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2014
- 2014-01-21 CN CN201420036283.0U patent/CN203747495U/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 | ||
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| 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 |