CN204633645U - The explosion-proof vacuum starter of a kind of explosion-proof vacuum starter and Multistage Control - Google Patents
The explosion-proof vacuum starter of a kind of explosion-proof vacuum starter and Multistage Control Download PDFInfo
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- CN204633645U CN204633645U CN201520342846.3U CN201520342846U CN204633645U CN 204633645 U CN204633645 U CN 204633645U CN 201520342846 U CN201520342846 U CN 201520342846U CN 204633645 U CN204633645 U CN 204633645U
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Abstract
The explosion-proof vacuum starter of a kind of explosion-proof vacuum starter and Multistage Control, the utility model belongs to mine power supply circuit and technical field of electric equipment, the purpose of this utility model is to solve the reliability of existing mine power supply circuit and the low technical problem of fail safe, it comprises isolation reversing switch (QS), vacuum A. C. contactor (KM), comprehensive protector of motor (ZB), first fuse (FU1), transformer (TC), rectifier (VC), second fuse (FU2), relay (K), starting switch (SB1), shutdown switch (SB2), far and near toggle switch (SA), indicator light (HL), electric capacity (C) and diode (D), wherein: it also comprises breakdown far away and closes (SB3), guard's valve far away (SB4) and emergency stop switch (SB5), it is simple, safe and reliable that the utility model has structure, and can realize the advantage of multistage interlocking sequential control.
Description
Technical field
The utility model belongs to mine power supply circuit and technical field of electric equipment, is specifically related to the explosion-proof vacuum starter of a kind of explosion-proof vacuum starter and Multistage Control.
Background technology
Dripping below mine, roof fall accident, gas and coal dust are gathered, and the dielectric strength of phenomenon can the reduce electric equipment such as operating mode is unstable and load fluctuation is large; Sometimes the improper or operating mistake of the maintenance of personnel very easily causes transmission line to damage fracture, occurs electric leakage and earth fault, causes burning and the blast of gas and coal dust, jeopardize personal safety and equipment life.Along with the increase of production capacity, the continuous extension of coal mine excavation working face, the increasing of device for electric capacity, the reliability of the lifting of power supply voltage level and underground power supply system, fail safe and economy are had higher requirement, so the security reliability improving control switch vacuum starter electrical structure is most important.
Summary of the invention
The purpose of this utility model is to solve the reliability of existing mine power supply circuit and the low technical problem of fail safe, provides the explosion-proof vacuum starter of a kind of explosion-proof vacuum starter and Multistage Control.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
A kind of explosion-proof vacuum starter, it comprises isolation reversing switch (QS), vacuum A. C. contactor (KM), comprehensive protector of motor (ZB), the first fuse (FU1), transformer (TC), rectifier (VC), the second fuse (FU2), relay (K), starting switch (SB1), shutdown switch (SB2), far and near toggle switch (SA), indicator lamp (HL), electric capacity (C) and diode (D), wherein: it also comprises breakdown far away and closes (SB3), guard's valve (SB4) far away and emergency stop switch (SB5), the input of described isolation reversing switch (QS) is connected with power supply, the output of isolation reversing switch (QS) is connected with the stiff end of vacuum A. C. contactor (KM) main contacts, the movable end of vacuum A. C. contactor (KM) main contacts is connected with the input of comprehensive protector of motor (ZB), the output of comprehensive protector of motor (ZB) is connected with motor, one end first fuse (FU1) of transformer (TC) primary coil is connected with an end points of isolation reversing switch (QS) output, the other end of transformer (TC) primary coil is connected with any one end points in other two end points of isolation reversing switch (QS) output, one end ground connection of transformer (TC) secondary coil, the other end of transformer (TC) secondary coil is connected with one end of the second fuse (FU2), the other end of the second fuse (FU2) and one end of emergency stop switch (SB5), No. 4 end points of comprehensive protector of motor (ZB) are connected with one end of the 3rd normally-closed contact (K-7) of relay (K), the other end of emergency stop switch (SB5) is connected with one end of first normally opened contact (K-1) of relay (K), the other end of first normally opened contact (K-1) of relay (K) is connected with a rectification input of rectifier (VC), another rectification input end grounding of rectifier (VC), the coil of vacuum A. C. contactor (KM) is divided into four parts i.e. the first coil (KMI), the second coil (KMII), tertiary coil (KMIII) and the 4th coil (KMIV), the negative pole that rectifier (VC) rectification exports is connected with one end of first coil (KMI) of vacuum A. C. contactor (KM) through the 3rd normally opened contact (K-3) of relay (K), the other end of first coil (KMI) of vacuum A. C. contactor (KM) respectively with one end of first normally-closed contact (KM1) of vacuum A. C. contactor (KM), one end of electric capacity (C) is connected with one end of second coil (KMII) of vacuum A. C. contactor (KM), the other end of second coil (KMII) of vacuum A. C. contactor (KM) is connected with the positive pole of diode (D), the negative pole of diode (D) is connected with one end of the tertiary coil (KMIII) of vacuum A. C. contactor (KM), the other end of the tertiary coil (KMIII) of vacuum A. C. contactor (KM) respectively with the other end of first normally-closed contact (KM1) of vacuum A. C. contactor (KM), the other end of electric capacity (C) is connected with one end of the 4th coil (KMIV) of vacuum A. C. contactor (KM)The other end of the 4th coil (KMIV) of vacuum A. C. contactor (KM) is connected with the positive pole that rectifier (VC) rectification exports, the other end of the 3rd normally-closed contact (K-7) of relay (K) is connected with one end of starting switch (SB1) normally-closed contact, the other end of starting switch (SB1) normally-closed contact ground connection after indicator lamp (HL), one end of relay (K) coil is connected with No. 3 end points of comprehensive protector of motor (ZB), the other end of relay (K) coil is connected with one end of shutdown switch (SB2) first normally-closed contact, one end of the other end of shutdown switch (SB2) first normally-closed contact and the 4th normally opened contact (K-4) of relay (K), one end that breakdown far away closes (SB3) is connected with one end of starting switch (SB1) normally opened contact, the other end of starting switch (SB1) normally opened contact is connected with one end of far and near toggle switch (SA), the other end of far and near toggle switch (SA) and one end of guard's valve far away (SB4), one end that breakdown far away closes the other end of (SB3) and second normally opened contact (KM-4) of vacuum A. C. contactor (KM) is connected, the other end ground connection of guard's valve (SB4) far away, the other end of second normally opened contact (KM-4) of vacuum A. C. contactor (KM) is connected with the other end of the 4th normally opened contact (K-4) of relay (K), second normally-closed contact (K-6) of relay (K), first normally-closed contact (K-5) of relay (K) and the series connection of second normally-closed contact (KM-3) of vacuum A. C. contactor (KM), one end of second normally-closed contact (K-6) of the relay (K) after series connection is connected with No. 33 end points of comprehensive protector of motor (ZB), one end of second normally-closed contact (KM-3) of the vacuum A. C. contactor (KM) after series connection is connected with any one end points of comprehensive protector of motor (ZB) output, No. 9 end points ground connection of comprehensive protector of motor (ZB), second normally opened contact (K-2) of relay (K), the second normally opened contact (KM-2) and the series connection of shutdown switch (SB2) second normally-closed contact of vacuum A. C. contactor (KM), one end ground connection of second normally opened contact (KM-2) of the vacuum A. C. contactor (KM) after series connection, one end of shutdown switch (SB2) second normally-closed contact after series connection is spare interface (PP).
Described explosion-proof vacuum starter, also comprise resistance-capacitance absorption device, described resistance-capacitance absorption device is made up of 6 resistance and 3 electric capacity, first resistance (R1) and the first electric capacity (C1) parallel connection, one end of the first resistance (R1) after parallel connection is connected with one end of the second resistance (R2), 3rd resistance (R3) and the second electric capacity (C2) parallel connection, one end of the 3rd resistance (R3) after parallel connection is connected with one end of the 4th resistance (R4), 5th resistance (R5) and the parallel connection of the 3rd electric capacity (C3), one end of the 5th resistance (R5) after parallel connection is connected with one end of the 6th resistance (R6), the other end of the first resistance (R1) after parallel connection, the other end of the 3rd resistance (R3) is connected with three end points of comprehensive protector of motor (ZB) output respectively with the other end of the 5th resistance (R5), the other end of the second resistance (R2) is connected with the other end of the other end of the 4th resistance (R4) and the 6th resistance (R6).
The explosion-proof vacuum starter of the Multistage Control utilizing described explosion-proof vacuum starter to form, wherein: it is made up of several explosion-proof vacuum starter, spare interface (PP) in previous stage explosion-proof vacuum starter is connected with No. 9 end points of comprehensive protector of motor (ZB) in rear stage explosion-proof vacuum starter, and No. 9 end points of comprehensive protector of motor (ZB) in rear stage explosion-proof vacuum starter, one end of transformer (TC) secondary coil, another rectification input of rectifier (VC) and one end of indicator light (HL) are by spare interface (PP) ground connection of previous stage, so that the sequential control of at least two-stage can be realized.
Because the utility model have employed technique scheme, solve the reliability of existing mine power supply circuit and the low technical problem of fail safe, compared with background technology, it is simple, safe and reliable that the utility model has structure, and can realize the advantage of multistage interlocking sequential control.
Accompanying drawing explanation
Fig. 1 is the electrical principle structure chart of explosion-proof type vacuum starter;
Fig. 2 is the electrical principle structure chart of secondary explosion-proof type vacuum starter.
Embodiment
Below in conjunction with drawings and Examples, the utility model is elaborated:
Embodiment 1
Explosion-proof vacuum starter as shown in Figure 1 in the present embodiment, it comprises isolation reversing switch QS, vacuum A. C. contactor KM, comprehensive protector of motor ZB, the first fuse FU1, transformer TC, rectifier VC, the second fuse FU2, relay K, starting switch SB1, shutdown switch SB2, far and near toggle switch SA, indicator light HL, electric capacity C and diode D, wherein: it also comprises breakdown far away and closes SB3, guard's valve SB4 and emergency stop switch SB5 far away, the input of described isolation reversing switch QS is connected with power supply, the output of isolation reversing switch QS is connected with the stiff end of vacuum A. C. contactor KM main contacts, the movable end of vacuum A. C. contactor KM main contacts is connected with the input of comprehensive protector of motor ZB, the output of comprehensive protector of motor ZB is connected with motor, one end first fuse FU1 of transformer TC primary coil is connected with an end points of isolation reversing switch QS output, the other end of transformer TC primary coil is connected with any one end points in other two end points of isolation reversing switch QS output, one end ground connection of transformer TC secondary coil, the other end of transformer TC secondary coil is connected with one end of the second fuse FU2, the other end of the second fuse FU2 and one end of emergency stop switch SB5, No. 4 end points of comprehensive protector of motor ZB are connected with one end of the 3rd normally-closed contact K-7 of relay K, the other end of emergency stop switch SB5 is connected with one end of the first normally opened contact K-1 of relay K, the other end of the first normally opened contact K-1 of relay K is connected with a rectification input of rectifier VC, another rectification input end grounding of rectifier VC, the coil of vacuum A. C. contactor KM is divided into four parts i.e. the first coil KMI, second coil KMII, tertiary coil KMIII and the 4th coil KMIV, the negative pole that rectifier VC rectification exports is connected with one end of the first coil KMI of vacuum A. C. contactor KM through the 3rd normally opened contact K-3 of relay K, the other end of the first coil KMI of vacuum A. C. contactor KM respectively with one end of the first normally-closed contact KM1 of vacuum A. C. contactor KM, one end of electric capacity C is connected with one end of the second coil KMII of vacuum A. C. contactor KM, the other end of the second coil KMII of vacuum A. C. contactor KM is connected with the positive pole of diode D, the negative pole of diode D is connected with one end of the tertiary coil KMIII of vacuum A. C. contactor KM, the other end of the tertiary coil KMIII of vacuum A. C. contactor KM respectively with the other end of the first normally-closed contact KM1 of vacuum A. C. contactor KM, the other end of electric capacity C is connected with one end of the 4th coil KMIV of vacuum A. C. contactor KM, the positive pole that the other end and the rectifier VC rectification of the 4th coil KMIV of vacuum A. C. contactor KM export is connected, the other end of the 3rd normally-closed contact K-7 of relay K is connected with one end of starting switch SB1 normally-closed contact, other end ground connection after indicator light HL of starting switch SB1 normally-closed contact, one end of relay K coil is connected with No. 3 end points of comprehensive protector of motor ZB, the other end of relay K coil is connected with one end of shutdown switch SB2 first normally-closed contact, one end of the other end of shutdown switch SB2 first normally-closed contact and the 4th normally opened contact K-4 of relay K, one end that breakdown far away closes SB3 is connected with one end of starting switch SB1 normally opened contact, the other end of starting switch SB1 normally opened contact is connected with one end of far and near toggle switch SA, the far and near other end of toggle switch SA and one end of guard's valve SB4 far away, breakdown far away closes the other end of SB3 and is connected with one end of the second normally opened contact KM-4 of vacuum A. C. contactor KM, the other end ground connection of guard's valve SB4 far away, the other end of the second normally opened contact KM-4 of vacuum A. C. contactor KM is connected with the other end of the 4th normally opened contact K-4 of relay K, second normally-closed contact K-6 of relay K, first normally-closed contact K-5 of relay K and the second normally-closed contact KM-3 of vacuum A. C. contactor KM connects, one end of second normally-closed contact K-6 of the relay K after series connection is connected with No. 33 end points of comprehensive protector of motor ZB, one end of the second normally-closed contact KM-3 of the vacuum A. C. contactor KM after series connection is connected with any one end points of comprehensive protector of motor ZB output, No. 9 end points ground connection of comprehensive protector of motor ZB, second normally opened contact K-2 of relay K, the second normally opened contact KM-2 of vacuum A. C. contactor KM and the series connection of shutdown switch SB2 second normally-closed contact, one end ground connection of the second normally opened contact KM-2 of the vacuum A. C. contactor KM after series connection, one end of shutdown switch SB2 second normally-closed contact after series connection is spare interface PP, the present invention it also comprise resistance-capacitance absorption device, described resistance-capacitance absorption device is by 6 resistance R1, R2, R3, R4, R5, R6 and 3 electric capacity C1, C2, C3 forms, first resistance R1 and the first electric capacity C1 is in parallel, the one end of the first resistance R1 after parallel connection is connected with one end of the second resistance R2, 3rd resistance R3 and the second electric capacity C2 is in parallel, the one end of the 3rd resistance R3 after parallel connection is connected with one end of the 4th resistance R4, 5th resistance R5 and the 3rd electric capacity C3 is in parallel, the one end of the 5th resistance R5 after parallel connection is connected with one end of the 6th resistance R6, the other end of the first resistance R1 after parallel connection, the other end of the 3rd resistance R3 is connected with three end points of comprehensive protector of motor ZB output respectively with the other end of the 5th resistance R5, the other end of the second resistance R2 is connected with the other end of the other end of the 4th resistance R4 and the 6th resistance R6.
Embodiment 2
As shown in Figure 2, secondary explosion-proof vacuum starter in the present embodiment, be made up of the explosion-proof type vacuum starter in two embodiments 1, spare interface PP in first order explosion-proof vacuum starter I is connected with No. 9 end points of comprehensive protector of motor ZB in the explosion-proof vacuum starter II of the second level, and No. 9 end points of comprehensive protector of motor ZB in the explosion-proof vacuum starter II of the second level, one end of transformer TC secondary coil, another rectification input of rectifier VC and one end of indicator light HL are all by the spare interface PP ground connection of the first order, so that the sequential control of two-stage can be realized.
Claims (3)
1. an explosion-proof vacuum starter, it comprises isolation reversing switch (QS), vacuum A. C. contactor (KM), comprehensive protector of motor (ZB), the first fuse (FU1), transformer (TC), rectifier (VC), the second fuse (FU2), relay (K), starting switch (SB1), shutdown switch (SB2), far and near toggle switch (SA), indicator lamp (HL), electric capacity (C) and diode (D), it is characterized in that: further comprising breakdown far away and close (SB3), guard's valve (SB4) far away and emergency stop switch (SB5), the input of described isolation reversing switch (QS) is connected with power supply, the output of isolation reversing switch (QS) is connected with the stiff end of vacuum A. C. contactor (KM) main contacts, the movable end of vacuum A. C. contactor (KM) main contacts is connected with the input of comprehensive protector of motor (ZB), the output of comprehensive protector of motor (ZB) is connected with motor, one end first fuse (FU1) of transformer (TC) primary coil is connected with an end points of isolation reversing switch (QS) output, the other end of transformer (TC) primary coil is connected with any one end points in other two end points of isolation reversing switch (QS) output, one end ground connection of transformer (TC) secondary coil, the other end of transformer (TC) secondary coil is connected with one end of the second fuse (FU2), the other end of the second fuse (FU2) and one end of emergency stop switch (SB5), No. 4 end points of comprehensive protector of motor (ZB) are connected with one end of the 3rd normally-closed contact (K-7) of relay (K), the other end of emergency stop switch (SB5) is connected with one end of first normally opened contact (K-1) of relay (K), the other end of first normally opened contact (K-1) of relay (K) is connected with a rectification input of rectifier (VC), another rectification input end grounding of rectifier (VC), the coil of vacuum A. C. contactor (KM) is divided into four parts i.e. the first coil (KMI), the second coil (KMII), tertiary coil (KMIII) and the 4th coil (KMIV), the negative pole that rectifier (VC) rectification exports is connected with one end of first coil (KMI) of vacuum A. C. contactor (KM) through the 3rd normally opened contact (K-3) of relay (K), the other end of first coil (KMI) of vacuum A. C. contactor (KM) respectively with one end of first normally-closed contact (KM1) of vacuum A. C. contactor (KM), one end of electric capacity (C) is connected with one end of second coil (KMII) of vacuum A. C. contactor (KM), the other end of second coil (KMII) of vacuum A. C. contactor (KM) is connected with the positive pole of diode (D), the negative pole of diode (D) is connected with one end of the tertiary coil (KMIII) of vacuum A. C. contactor (KM), the other end of the tertiary coil (KMIII) of vacuum A. C. contactor (KM) respectively with the other end of first normally-closed contact (KM1) of vacuum A. C. contactor (KM),The other end of electric capacity (C) is connected with one end of the 4th coil (KMIV) of vacuum A. C. contactor (KM), the other end of the 4th coil (KMIV) of vacuum A. C. contactor (KM) is connected with the positive pole that rectifier (VC) rectification exports, the other end of the 3rd normally-closed contact (K-7) of relay (K) is connected with one end of starting switch (SB1) normally-closed contact, the other end of starting switch (SB1) normally-closed contact ground connection after indicator lamp (HL), one end of relay (K) coil is connected with No. 3 end points of comprehensive protector of motor (ZB), the other end of relay (K) coil is connected with one end of shutdown switch (SB2) first normally-closed contact, one end of the other end of shutdown switch (SB2) first normally-closed contact and the 4th normally opened contact (K-4) of relay (K), one end that breakdown far away closes (SB3) is connected with one end of starting switch (SB1) normally opened contact, the other end of starting switch (SB1) normally opened contact is connected with one end of far and near toggle switch (SA), the other end of far and near toggle switch (SA) and one end of guard's valve far away (SB4), one end that breakdown far away closes the other end of (SB3) and second normally opened contact (KM-4) of vacuum A. C. contactor (KM) is connected, the other end ground connection of guard's valve (SB4) far away, the other end of second normally opened contact (KM-4) of vacuum A. C. contactor (KM) is connected with the other end of the 4th normally opened contact (K-4) of relay (K), second normally-closed contact (K-6) of relay (K), first normally-closed contact (K-5) of relay (K) and the series connection of second normally-closed contact (KM-3) of vacuum A. C. contactor (KM), one end of second normally-closed contact (K-6) of the relay (K) after series connection is connected with No. 33 end points of comprehensive protector of motor (ZB), one end of second normally-closed contact (KM-3) of the vacuum A. C. contactor (KM) after series connection is connected with any one end points of comprehensive protector of motor (ZB) output, No. 9 end points ground connection of comprehensive protector of motor (ZB), second normally opened contact (K-2) of relay (K), the second normally opened contact (KM-2) and the series connection of shutdown switch (SB2) second normally-closed contact of vacuum A. C. contactor (KM), one end ground connection of second normally opened contact (KM-2) of the vacuum A. C. contactor (KM) after series connection, one end of shutdown switch (SB2) second normally-closed contact after series connection is spare interface (PP).
2. explosion-proof vacuum starter according to claim 1, it is characterized in that: it also comprises resistance-capacitance absorption device, described resistance-capacitance absorption device is made up of 6 resistance and 3 electric capacity, first resistance (R1) and the first electric capacity (C1) parallel connection, one end of the first resistance (R1) after parallel connection is connected with one end of the second resistance (R2), 3rd resistance (R3) and the second electric capacity (C2) parallel connection, one end of the 3rd resistance (R3) after parallel connection is connected with one end of the 4th resistance (R4), 5th resistance (R5) and the parallel connection of the 3rd electric capacity (C3), one end of the 5th resistance (R5) after parallel connection is connected with one end of the 6th resistance (R6), the other end of the first resistance (R1) after parallel connection, the other end of the 3rd resistance (R3) is connected with three end points of comprehensive protector of motor (ZB) output respectively with the other end of the 5th resistance (R5), the other end of the second resistance (R2) is connected with the other end of the other end of the 4th resistance (R4) and the 6th resistance (R6).
3. the explosion-proof vacuum starter of the Multistage Control utilizing explosion-proof vacuum starter described in claim 1 or 2 to form, it is characterized in that: it is made up of several explosion-proof vacuum starter, spare interface (PP) in previous stage explosion-proof vacuum starter is connected with No. 9 end points of comprehensive protector of motor (ZB) in rear stage explosion-proof vacuum starter, and No. 9 end points of comprehensive protector of motor (ZB) in rear stage explosion-proof vacuum starter, one end of transformer (TC) secondary coil, another rectification input of rectifier (VC) and one end of indicator light (HL) are by spare interface (PP) ground connection of previous stage, so that the sequential control of at least two-stage can be realized.
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CN201520342846.3U CN204633645U (en) | 2015-05-25 | 2015-05-25 | The explosion-proof vacuum starter of a kind of explosion-proof vacuum starter and Multistage Control |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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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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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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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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