CN204707059U - A kind of elevator high pressure vacuum matrix commutation cabinet - Google Patents
A kind of elevator high pressure vacuum matrix commutation cabinet Download PDFInfo
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- CN204707059U CN204707059U CN201520418828.9U CN201520418828U CN204707059U CN 204707059 U CN204707059 U CN 204707059U CN 201520418828 U CN201520418828 U CN 201520418828U CN 204707059 U CN204707059 U CN 204707059U
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- pressure vacuum
- vacuum contactor
- commutation
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Abstract
The utility model discloses a kind of elevator high pressure vacuum matrix commutation cabinet, comprise the main circuit, control circuit, conversion switch circuit and the display circuit that are made up of matrix commutating circuit, brake control circuit and excess voltage protection.The utility model is by adopting high-pressure vacuum contactor; by matrix form circuit connection structure; existing electric-control system technology is upgraded; the utility model is enable to adapt to substituting of the high pressure vacuum commutation cabinet of the various models that national different manufacturer produces; and pass through excess voltage protection; reduce the failure rate of equipment, improve the fail safe of coal production environment.
Description
Technical field
The utility model relates to a kind of commutation cabinet, particularly relates to a kind of elevator high pressure vacuum matrix commutation cabinet.
Background technology
Old-fashioned mine hoist many employings industrial frequency AC drags, the mode of speed regulation of electronics convert resistance, and the cut-out of high-voltage alternating motor drive hoist, connection and commutation use high pressure directional contactor mostly.The use of China to high pressure vacuum commutation cabinet has 20 years, and the control system of elevator is made up of high-tension switch cabinet, high pressure commutation cabinet, braking power cabinet, main control cubicle, rotor control cubicle, operating desk, the resistance box etc. of making.Whole electric-control system with the main control cubicle that makes of PLC for control core, main shaft hoisting system power supply takes from main shaft primary Ioops and the secondary circuit of ore deposit 35KV/6KV transformer station, through high-tension switch cabinet access high pressure commutation cabinet, another road inlet wire of high pressure commutation cabinet takes from low-frequency power cabinet, the outlet access motor stator of high pressure commutation cabinet, changes with braking for the startup of motor and the operation of commutation and control motor.Main make control cubicle record according to transducer semaphore and operate the control signal sent control each contactor of high pressure commutation cabinet point, close, realize the operations such as the commutation of motor, speed governing, braking.Now because manufacturer is too many, model is complicated, and the failure rate of equipment is high, directly affects the fail safe of coal production environment.
Summary of the invention
The purpose of this utility model overcomes the deficiencies in the prior art, designs a kind of elevator high pressure vacuum matrix commutation cabinet, solve the technical problem improving coal mine lifting equipment safety operation.
For achieving the above object, the technical scheme that the utility model adopts is:
A kind of elevator high pressure vacuum matrix commutation cabinet, comprise by matrix commutating circuit, the main circuit of brake control circuit and excess voltage protection composition, control circuit, lead-out terminal (the U of matrix commutating circuit, W) with the output (U of brake control circuit, W) connect, lead-out terminal (the U of matrix commutating circuit, V, W) be connected with the output of excess voltage protection, described matrix commutating circuit comprises circuit high-pressure vacuum contactor LC1, load high-pressure vacuum contactor LC2, commutation high-pressure vacuum contactor ZC and FC, three phase mains terminal (A, B, C) input of connection line high-pressure vacuum contactor LC1, lead-out terminal (the A1 of circuit high-pressure vacuum contactor LC1, C1) input of commutation high-pressure vacuum contactor ZC and FC is connected respectively, output (the A2 of commutation high-pressure vacuum contactor ZC and FC, C2) be connected respectively, its tie point (A2, C2) input terminal (A2 of load high-pressure vacuum contactor LC2 is connected, C2), the lead-out terminal (B1) of circuit high-pressure vacuum contactor LC1 connects the input terminal (B1) of load high-pressure vacuum contactor LC2.
Described brake control circuit comprises direct current air contactor DZ1 and high-pressure vacuum contactor DZ2, the input of direct current air contactor DZ1 connects DC power supply, output connects the input of high-pressure vacuum contactor DZ2, and the output of described high-pressure vacuum contactor DZ2 is the output of brake control circuit.
Described excess voltage protection comprises three-phase capacitor, the symmetrical silicon of high pressure, and three-phase capacitor is in parallel with the symmetrical silicon of high pressure, and its tie point is the output of excess voltage protection.
The power supply N of described control circuit holds and connects with the coil of commutation high-pressure vacuum contactor ZC, the normally-closed contact of high-pressure vacuum contactor FC that commutates, the normally opened contact of relay J ZC, and another termination power L of the normally opened contact of relay J ZC holds; The coil of circuit high-pressure vacuum contactor LC1 and the coils from parallel connection of coils of load high-pressure vacuum contactor LC2, its tie point one end connects power supply N end, the other end connects the normally-closed contact of direct current air contactor DZ1, the other end of the normally-closed contact of direct current air contactor DZ1 connects the normally opened contact of commutation high-pressure vacuum contactor ZC, and the other end of the normally opened contact of commutation high-pressure vacuum contactor ZC connects power supply L end; One end of the coil of commutation high-pressure vacuum contactor FC connects power supply N end, the other end is connected with the normally-closed contact of commutation high-pressure vacuum contactor ZC, the normally opened contact of relay J FC, the other end of the normally opened contact of relay J FC connects power supply L end, and the normally opened contact of commutation high-pressure vacuum contactor FC is in parallel with the normally opened contact of commutation high-pressure vacuum contactor ZC; One end that D.C. contactor DZ1 coil controls rectifier connects power supply N end, the normally-closed contact of the other end and commutation high-pressure vacuum contactor ZC, the normally-closed contact of the high-pressure vacuum contactor FC that commutate, the normally-closed contact of circuit high-pressure vacuum contactor LC1, the normally-closed contact of load high-pressure vacuum contactor LC2, the normally opened contact of relay J DZ1 connects, and the other end connection power supply L of the normally opened contact of relay J DZ1 holds; One end of high-pressure vacuum contactor DZ2 coil connects power supply N end, and the other end is connected with the normally opened contact of relay J DZ2, and the other end of the normally opened contact of relay J DZ2 connects power supply L end.
Also comprise and control by change over switch KH1 and KH2 the conversion switch circuit that the old and new's electric-control system changes mutually.
Also comprise the display circuit being shown new electric-control system operation conditions by indicator light.
Positive beneficial effect of the present utility model: the utility model is by adopting high-pressure vacuum contactor; by matrix form circuit connection structure; existing electric-control system technology is upgraded; the utility model is enable to adapt to substituting of the high pressure vacuum commutation cabinet of the various models that national different manufacturer produces; and pass through excess voltage protection; reduce the failure rate of equipment, improve the fail safe of coal production environment.
Accompanying drawing explanation
Fig. 1 is main circuit schematic diagram of the present utility model
Fig. 2 is the utility model main circuit control circuit figure
Fig. 3 is one of conversion switch circuit of the present utility model
Fig. 4 is conversion switch circuit two of the present utility model
Fig. 5 is display circuit figure of the present utility model
Embodiment
See Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5; Fig. 2 is main circuit diagram of the present utility model; main circuit is made up of matrix commutating circuit, brake control circuit and excess voltage protection; lead-out terminal (the U of matrix commutating circuit; W) be connected with the output of brake control circuit; the lead-out terminal (U, V, W) of matrix commutating circuit is connected with the output of excess voltage protection.Matrix commutating circuit comprises circuit high-pressure vacuum contactor LC1, load high-pressure vacuum contactor LC2, commutation high-pressure vacuum contactor ZC and FC, three phase mains terminal (A, B, C) input of connection line high-pressure vacuum contactor LC1, lead-out terminal (the A1 of circuit high-pressure vacuum contactor LC1, C1) input of commutation high-pressure vacuum contactor ZC and FC is connected respectively, output (the A2 of commutation high-pressure vacuum contactor ZC, and the output (A2 of FC C2), C2) corresponding connection, its tie point (A2, C2) input terminal (A2 of load high-pressure vacuum contactor LC2 is connected, C2), the lead-out terminal (B1) of circuit high-pressure vacuum contactor LC1 connects the input terminal (B1) of load high-pressure vacuum contactor LC2.When elevator normally works, forward high-pressure vacuum contactor ZC adhesive, circuit high-pressure vacuum contactor LC1 adhesive, three phase mains is connected, load high-pressure vacuum contactor LC2 adhesive, and motor forward runs.After operation stops, high back voltage vacuum contactor FC adhesive, circuit high-pressure vacuum contactor LC1 adhesive, three phase mains is connected, load high-pressure vacuum contactor LC2 adhesive, motor inverted running.
Described brake control circuit comprises direct current air contactor DZ1 and high-pressure vacuum contactor DZ2, the input of direct current air contactor DZ1 connects DC power supply, output (D+, D-) input of high-pressure vacuum contactor DZ2 is connected, the output that the output (U, W) of described high-pressure vacuum contactor DZ2 is brake control circuit.
Described excess voltage protection comprises three-phase capacitor C, high pressure symmetrical DSA, three-phase capacitor C are in parallel with the symmetrical silicon DSA of high pressure, and its tie point is the output of excess voltage protection.Three-phase capacitor C coordinates with the symmetrical silicon DSA of high pressure, and will suppress the overvoltage of alternate generation, the overvoltage prevented damages instrument and equipment.
The power supply N of described control circuit holds the coil connecting forward high-pressure vacuum contactor ZC, the tail end 01 of the coil of forward high-pressure vacuum contactor ZC is connected on the normally-closed contact of FC high-pressure vacuum contactor, tip side 02 is connected to the normally opened contact of relay and control relay J ZC, normally opened contact connects power supply L end, forms elevator forward and runs control power circuit.The coil of circuit high-pressure vacuum contactor LC1 and the coils from parallel connection of coils of load high-pressure vacuum contactor LC2, its tie point one end connects power supply N end, the other end 00 end connects the normally-closed contact of direct current air contactor DZ1, tip side 03 connects the normally opened contact of forward high-pressure vacuum contactor ZC, and the other end of the normally opened contact of forward high-pressure vacuum contactor ZC connects power supply L end.One end of the coil of high back voltage vacuum contactor FC connects power supply N end, the other end 04 connects the normally-closed contact of forward high-pressure vacuum contactor ZC, tip side 05 connects the normally opened contact of relay and control relay J FC, the other end of the normally opened contact of relay J FC connects power supply L end, and the normally opened contact of high back voltage vacuum contactor FC is in parallel with the normally opened contact of forward high-pressure vacuum contactor ZC.One end that D.C. contactor DZ1 coil controls rectifier connects power supply N end, the other end 08 connects the normally-closed contact of forward high-pressure vacuum contactor ZC, tip side 09 connects the normally-closed contact of high back voltage vacuum contactor FC, the normally-closed contact of tip side 10 connection line high-pressure vacuum contactor LC1, tip side 11 connects the normally-closed contact of load high-pressure vacuum contactor LC2, tip side 12 connects the normally opened contact series connection of relay and control relay J DZ1, and the other end of the normally opened contact of relay and control relay J DZ1 connects power supply L end.One end of high-pressure vacuum contactor DZ2 coil connects power supply N end, and the other end 13 connects the normally opened contact of relay and control relay J DZ2, and the other end of the normally opened contact of relay J DZ2 connects power supply L end.Whole control circuit power supply N, L are 220V alternating voltage.
Conversion switch circuit controls the mutual conversion of the old and new's electric-control system by change over switch KH1 and KH2.One end of relay J ZC coil connects power supply, and the other end 378 connects the normally-closed contact of relay J FC, tip side 376 connecting terminal.One end of relay J FC coil connects power supply, and the other end 388 connects the normally-closed contact of relay J ZC, tip side 386 connecting terminal.Relay J DZ1 one end connects power supply, the other end 393 splicing ear.Relay J DZ2 mono-termination power, the other end 302 connects the normally-closed contact of relay J ZC, and tip side 303 connects the normally-closed contact of relay J FC, tip side 396 connecting terminal.Change over switch KH1 shares 4 transit points, and the terminal that these 4 transit points are connected with tip side 376,386,393,396 respectively docks, and K7, K8, K9, K10 connect new electric-control system terminal, and X7, X8, X9, X10 connect old electric-control system terminal.Change over switch KH2 shares 6 transit points, the terminal that these 6 transit points are connected with tip side D2, D4, D6, D8, D10, D12 respectively docks, K1, K2, K3, K4, K5, K6 connect new electric-control system terminal, X1, X2, X3, X4, X5, X6 connect new electric-control system terminal, transfer point D1 one end connecting terminal, the other end connects the normally opened contact of JZC relay, and tip side D2 connects change over switch KH2.Transfer point D3 one end connecting terminal, the other end connects the normally-closed contact of JZC relay, and tip side D4 connects change over switch KH2.Transfer point D5 one end connecting terminal, the other end connects the normally opened contact of JFC relay, and tip side D6 connects change over switch KH2.Transfer point D7 one end connecting terminal, the other end connects the normally-closed contact of JFC relay, and tip side D8 connects change over switch KH2.Transfer point D9 one end connecting terminal, the other end connects the normally opened contact of JDZ1 relay, and tip side D10 connects change over switch KH2.Transfer point D11 one end connecting terminal, the other end connects the normally-closed contact of JDZ1 relay, and tip side D12 connects change over switch KH2.
Display circuit comprises forward, reverse, matrix 1, matrix 2, brake indicator lamp, and power supply N holds and connects forward indicator light one end, and the forward indicator light other end 001 connects the normally opened contact of forward high-pressure vacuum contactor ZC, and tip side connects power supply L end.Reverse indicator light one end connects power supply N end, and the other end 002 connects the normally opened contact of high back voltage vacuum contactor FC, and tip side connects power supply L end.Matrix 1 indicator light one end connects power supply N end, the normally opened contact of the other end 003 connection line high-pressure vacuum contactor LC1, and tip side connects power supply L end.Matrix 2 indicator light one end connects power supply N end, and the other end 004 connects the normally opened contact of load high-pressure vacuum contactor LC2, and tip side connects power supply L end.Brake indicator lamp one end connects power supply N end, and the other end 0035 connects the normally opened contact of D.C. contactor, and tip side connects power supply L end.
When elevator normally works, forward high-pressure vacuum contactor ZC adhesive, circuit high-pressure vacuum contactor LC1 adhesive, the normally opened contact of forward high-pressure vacuum contactor ZC is closed, normally-closed contact disconnects, the normally opened contact of relay J ZC closes, pin the control loop of FC, the normally-closed contact of circuit high-pressure vacuum contactor LC1 disconnects, three phase mains is connected, load high-pressure vacuum contactor LC2 adhesive, and its normally-closed contact disconnects, motor forward runs, and forward, oppositely, matrix 1 indicator light is bright.After operation stops, high back voltage vacuum contactor FC adhesive, circuit high-pressure vacuum contactor LC1 adhesive, the normally opened contact of high back voltage vacuum contactor FC is closed, normally-closed contact disconnects, the normally opened contact of relay J FC closes,, pin the control loop of ZC, the normally-closed contact of circuit high-pressure vacuum contactor LC1 disconnects, three phase mains is connected, load high-pressure vacuum contactor LC2 adhesive, its normally-closed contact disconnects, motor inverted running.When D.C. contactor DZ1 and DZ2 adhesive, the normally opened contact of relay and control relay J DZ1 closes, and D.C. contactor DZ1 normally opened contact closes, and brake indicator lamp is bright, motor stop motion.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that; Still can modify to embodiment of the present utility model or equivalent replacement is carried out to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (6)
1. an elevator high pressure vacuum matrix commutation cabinet, comprise by matrix commutating circuit, the main circuit of brake control circuit and excess voltage protection composition, control circuit, lead-out terminal (the U of matrix commutating circuit, W) with the output (U of brake control circuit, W) connect, lead-out terminal (the U of matrix commutating circuit, V, W) be connected with the output of excess voltage protection, described matrix commutating circuit comprises circuit high-pressure vacuum contactor LC1, load high-pressure vacuum contactor LC2, commutation high-pressure vacuum contactor ZC and FC, three phase mains terminal (A, B, C) input of connection line high-pressure vacuum contactor LC1, it is characterized in that: the lead-out terminal (A1 of circuit high-pressure vacuum contactor LC1, C1) input of commutation high-pressure vacuum contactor ZC and FC is connected respectively, output (the A2 of commutation high-pressure vacuum contactor ZC and FC, C2) be connected respectively, its tie point (A2, C2) input terminal (A2 of load high-pressure vacuum contactor LC2 is connected, C2), the lead-out terminal (B1) of circuit high-pressure vacuum contactor LC1 connects the input terminal (B1) of load high-pressure vacuum contactor LC2.
2. elevator high pressure vacuum matrix commutation cabinet according to claim 1, it is characterized in that: described brake control circuit comprises direct current air contactor DZ1 and high-pressure vacuum contactor DZ2, the input of direct current air contactor DZ1 connects DC power supply, output connects the input of high-pressure vacuum contactor DZ2, and the output of described high-pressure vacuum contactor DZ2 is the output of brake control circuit.
3. elevator high pressure vacuum matrix commutation cabinet according to claim 1; it is characterized in that: described excess voltage protection comprises three-phase capacitor, the symmetrical silicon of high pressure; three-phase capacitor is in parallel with the symmetrical silicon of high pressure, and its tie point is the output of excess voltage protection.
4. elevator high pressure vacuum matrix commutation cabinet according to claim 1 and 2, it is characterized in that: the power supply N of described control circuit holds and connects with the coil of commutation high-pressure vacuum contactor ZC, the normally-closed contact of high-pressure vacuum contactor FC that commutates, the normally opened contact of relay J ZC, and another termination power L of the normally opened contact of relay J ZC holds; The coil of circuit high-pressure vacuum contactor LC1 and the coils from parallel connection of coils of load high-pressure vacuum contactor LC2, its tie point one end connects power supply N end, the other end connects the normally-closed contact of direct current air contactor DZ1, the other end of the normally-closed contact of direct current air contactor DZ1 connects the normally opened contact of commutation high-pressure vacuum contactor ZC, and the other end of the normally opened contact of commutation high-pressure vacuum contactor ZC connects power supply L end; One end of the coil of commutation high-pressure vacuum contactor FC connects power supply N end, the other end is connected with the normally-closed contact of commutation high-pressure vacuum contactor ZC, the normally opened contact of relay J FC, the other end of the normally opened contact of relay J FC connects power supply L end, and the normally opened contact of commutation high-pressure vacuum contactor FC is in parallel with the normally opened contact of commutation high-pressure vacuum contactor ZC; One end that D.C. contactor DZ1 coil controls rectifier connects power supply N end, the normally-closed contact of the other end and commutation high-pressure vacuum contactor ZC, the normally-closed contact of the high-pressure vacuum contactor FC that commutate, the normally-closed contact of circuit high-pressure vacuum contactor LC1, the normally-closed contact of load high-pressure vacuum contactor LC2, the normally opened contact of relay J DZ1 connects, and the other end connection power supply L of the normally opened contact of relay J DZ1 holds; One end of high-pressure vacuum contactor DZ2 coil connects power supply N end, and the other end is connected with the normally opened contact of relay J DZ2, and the other end of the normally opened contact of relay J DZ2 connects power supply L end.
5. elevator high pressure vacuum matrix according to claim 1 commutation cabinet, is characterized in that: also comprise and control by change over switch KH1 and KH2 the conversion switch circuit that the old and new's electric-control system changes mutually.
6. elevator high pressure vacuum matrix commutation cabinet according to claim 1, be is characterized in that: also comprise the display circuit being shown new electric-control system operation conditions by indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520418828.9U CN204707059U (en) | 2015-06-16 | 2015-06-16 | A kind of elevator high pressure vacuum matrix commutation cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520418828.9U CN204707059U (en) | 2015-06-16 | 2015-06-16 | A kind of elevator high pressure vacuum matrix commutation cabinet |
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| CN204707059U true CN204707059U (en) | 2015-10-14 |
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| CN201520418828.9U Active CN204707059U (en) | 2015-06-16 | 2015-06-16 | A kind of elevator high pressure vacuum matrix commutation cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374756A (en) * | 2016-10-13 | 2017-02-01 | 开封市中南电器技术有限公司 | AC composite type high-voltage variable-frequency electric control equipment of lifting machine |
-
2015
- 2015-06-16 CN CN201520418828.9U patent/CN204707059U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374756A (en) * | 2016-10-13 | 2017-02-01 | 开封市中南电器技术有限公司 | AC composite type high-voltage variable-frequency electric control equipment of lifting machine |
| CN106374756B (en) * | 2016-10-13 | 2019-03-19 | 开封市中南电器技术有限公司 | Elevator exchanges compound high-pressure frequency-conversion control panel |
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