CN202150818U - Control device for motor - Google Patents
Control device for motor Download PDFInfo
- Publication number
- CN202150818U CN202150818U CN201120275956U CN201120275956U CN202150818U CN 202150818 U CN202150818 U CN 202150818U CN 201120275956 U CN201120275956 U CN 201120275956U CN 201120275956 U CN201120275956 U CN 201120275956U CN 202150818 U CN202150818 U CN 202150818U
- Authority
- CN
- China
- Prior art keywords
- automatic switch
- motor
- switch
- relay
- kzx
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012423 maintenance Methods 0.000 abstract description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 3
- 230000006870 function Effects 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 abstract 1
- 230000008450 motivation Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
Images
Landscapes
- Control Of Ac Motors In General (AREA)
- Stopping Of Electric Motors (AREA)
- Motor And Converter Starters (AREA)
Abstract
The utility model discloses a control device for a motor, which comprises a main circuit and a control circuit. The main circuit comprises an automatic switch QM. The input terminal of the automatic switch QM is connected with the live wire L1, the live wire L2 and the live wire L3 of a 380V three-phase AC power supply, and the output terminal of the automatic switch QM is connected with a controlled motor M via three leads. According to the utility model, based on the characteristic that a decomposer agitator motor in an alumina factory is running for a long period of time, a contactor and an electrothermal relay, which are liable to break, are avoided, thereby minimizing potential line fault hidden troubles, enlarging the heat radiation space in an electric box and improving operation environment for electrical elements; the engineering cost is reduced and the workload of operation and maintenance for users is reduced; and the automatic switch itself has functions of under-voltage, overload, short circuit and single-phase grounding protection for the protection of a motor and distribution lines, such that the contactor and the electrothermal relay need not to be mounted. The control device for a motor is safe, reliable, simple and practical.
Description
Technical field
the utility model relates to a kind of control device of motor, belongs to the electric machines control technology field.
Background technology
, generally are furnished with (overcurrent or short-circuit protection are used) automatic switch at present at the motor major loop, (connecting and the excision major loop) contactor, and (overload protection is used) thermal relay reaches (measure and use) current transformer.Be suitable for for frequent starting or the motor that stops.But, the part motor is arranged in the factory.Like alumina producer decomposer stirring motor, operate as normal is long-time running.Be motor once start, except that cause specifics such as fault or maintenance, ordinary circumstance is long-time running.So existing electromotor control circuit failure rate is high, maintenance workload is also bigger, and the operation of electric element environment is poor, and cost is high.
Summary of the invention
The purpose of
the utility model is, a kind of control device of motor is provided.Can reduce the potential potential faults of circuit, improve the operation of electric element environment, reduce engineering cost, reduce user's operation maintenance workload.
The technical scheme of the utility model
The control device of
a kind of motor comprises main circuit and control circuit; Main circuit comprises automatic switch QM, and the input of automatic switch QM is connected with three live wire L1, L2 and L3 of 380V three-phase alternating-current supply, and the output of automatic switch QM is connected with controlled motor M through three leads.
In the control device of
aforementioned electric motivation, said control circuit comprises the other control cabinet KZX of machine, is provided with emergency stop switch SB, selector switch SA, start button SB1 and X button SB2 in the other control cabinet KZX of machine; Selector switch SA comprises the remote control switch YK and the hand switch SK of interlock; The end of emergency stop switch SB, remote control switch YK and hand switch SK is connected with No. 1 terminal of the other control cabinet KZX of machine; The other end of emergency stop switch SB is connected with No. 2 terminals of the other control cabinet KZX of machine; Hand switch SK is connected with the end of start button SB1 and X button SB2, and the other end of start button SB1 and X button SB2 is connected with No. 4 terminals with No. 3 of the other control cabinet KZX of machine respectively; The other end of remote control switch YK is connected with No. 5 terminals of the other control cabinet KZX of machine.
In the control device of
aforementioned electric motivation, No. 1 terminal of the other control cabinet KZX of said machine all is connected with the live wire of 220V AC power through fuse F U.
In the control device of
aforementioned electric motivation, the output of said automatic switch QM is connected with controlled motor M through three leads; A lead wherein is connected with collecting and distributing control/programmable control system DCS/PLC through current transformer TA2, and another root lead wherein is connected with the current inductor PA1 of actuating motor D through current transformer TA1.
In the control device of
aforementioned electric motivation, said automatic switch QM is provided with sensitive switch S3, device for under-voltage releasing equipment TK, automatic switch motor-operating mechanism CD and Chang Kai auxiliary contact.
In the control device of
aforementioned electric motivation, said automatic switch motor-operating mechanism CD comprises actuating motor D and automatic switch separating brake relay K 1 and automatic switch closing relay K2.
In the control device of
aforementioned electric motivation; Said collecting and distributing control/programmable control system DCS/PLC comprises the DCS chip, the input of DCS chip respectively with selector switch SA in remote control switch YK on normally opened contact be connected with the auxiliary contact of often opening on the automatic switch QM; The input of DCS chip is connected with the coil of auxiliary relay KA2 with auxiliary relay KA1 respectively.
In the control device of
aforementioned electric motivation, said actuating motor D is connected with 220V AC power live wire through the normally opened contact of automatic switch closing relay K1 and the normally opened contact of automatic switch separating brake relay K 2; Coil one end of automatic switch closing relay K1 is connected with the normally opened contact of sensitive switch S3, and coil one end of automatic switch separating brake relay K 2 is connected with the normally-closed contact of sensitive switch S3, and the other end of sensitive switch S3 is connected with the zero line of 220V AC power; The coil other end of automatic switch closing relay K1 is connected with No. 4 terminals, the normally opened contact of auxiliary relay KA1 and the normally opened contact of automatic switch closing relay K1 of the other control cabinet KZX of machine respectively; The coil other end of automatic switch separating brake relay K 2 is connected with No. 3 terminals, the normally opened contact of auxiliary relay KA2 and the normally opened contact of automatic switch separating brake relay K 2 of the other control cabinet KZX of machine respectively; The other end of two normally opened contact on two normally opened contact on the automatic switch closing relay K1 and the automatic switch separating brake relay K 2 all is connected with the live wire of 220V AC power through fuse F U.
In the control device of
aforementioned electric motivation, said device for under-voltage releasing equipment TK is connected with No. 2 terminals of the other control cabinet KZX of machine.
In the control device of
aforementioned electric motivation, No. 5 terminals of the other control cabinet KZX of said machine are connected with the normally opened contact of auxiliary relay KA1 and normally opened contact one end of auxiliary relay KA2; No. 4 terminals of the other control cabinet KZX of the normally opened contact of auxiliary relay KA1 and machine and the coil of automatic switch closing relay K1 are connected; No. 3 terminals of the other control cabinet KZX of the normally opened contact of auxiliary relay KA2 and machine and the coil of automatic switch closing relay K2 are connected.
compared with prior art, the utility model is according to the long-time running of alumina producer decomposer stirring motor, general non-stop-machine characteristics.Cancelled than being easier to out of order contactor and thermal relay, enlarged the heat-dissipating space in the electric box, improved the operation of electric element environment.Also reduce engineering cost, reduced user's operation maintenance workload.The most important thing is to reduce potential line fault hidden danger.Select suitable automatic switch, the under voltage of utilizing automatic switch itself to have, overload, short circuit and one-phase ground protection function are done the protection of motor and distribution line, and contactor and thermal relay need be installed.The motor control assembly that the utility model provides, not only safe and reliable but also simply suitable.
Description of drawings
Fig. 1 is the main circuit diagram of the utility model;
Fig. 2 is the control circuit figure of the utility model;
Fig. 3 is the circuit diagram of the collecting and distributing control/programmable control system of the utility model.
Embodiment
are done further to specify to the utility model below in conjunction with accompanying drawing and embodiment.But not as any restriction foundation to the utility model.
embodiment.A kind of control device of motor comprises main circuit as shown in Figure 1 and control circuit as shown in Figure 2; Main circuit comprises automatic switch QM, and the input of automatic switch QM is connected with three live wire L1, L2 and L3 of 380V three-phase alternating-current supply, and the output of automatic switch QM is connected with controlled motor M through three leads.Control circuit comprises the other control cabinet KZX of machine, is provided with emergency stop switch SB, selector switch SA, start button SB1 and X button SB2 in the other control cabinet KZX of machine; Selector switch SA comprises the remote control switch YK and the hand switch SK of interlock; The end of emergency stop switch SB, remote control switch YK and hand switch SK is connected with No. 1 terminal of the other control cabinet KZX of machine; The other end of emergency stop switch SB is connected with No. 2 terminals of the other control cabinet KZX of machine; Hand switch SK is connected with the end of start button SB1 and X button SB2, and the other end of start button SB1 and X button SB2 is connected with No. 4 terminals with No. 3 of the other control cabinet KZX of machine respectively; The other end of remote control switch YK is connected with No. 5 terminals of the other control cabinet KZX of machine.No. 1 terminal of the other control cabinet KZX of machine all is connected with the live wire of 220V AC power through fuse F U.
The output of
said automatic switch QM is connected with controlled motor M through three leads; A lead wherein is connected with collecting and distributing control/programmable control system DCS/PLC through current transformer TA2, and another root lead wherein is connected with the current inductor PA1 of actuating motor D through current transformer TA1.Automatic switch QM is provided with sensitive switch S3, device for under-voltage releasing equipment TK, automatic switch motor-operating mechanism CD and Chang Kai auxiliary contact.Automatic switch motor-operating mechanism CD comprises actuating motor D and automatic switch separating brake relay K 1 and automatic switch closing relay K2.Said collecting and distributing control/programmable control system DCS/PLC comprises the DCS chip, the input of DCS chip respectively with selector switch SA in remote control switch YK on normally opened contact be connected with the auxiliary contact of often opening on the automatic switch QM; The input of DCS chip is connected with the coil of auxiliary relay KA2 with auxiliary relay KA1 respectively.Said actuating motor D is connected with 220V AC power live wire through the normally opened contact of automatic switch closing relay K1 and the normally opened contact of automatic switch separating brake relay K 2; Coil one end of automatic switch closing relay K1 is connected with the normally opened contact of sensitive switch S3, and coil one end of automatic switch separating brake relay K 2 is connected with the normally-closed contact of sensitive switch S3, and the other end of sensitive switch S3 is connected with the zero line of 220V AC power; The coil other end of automatic switch closing relay K1 is connected with No. 4 terminals, the normally opened contact of auxiliary relay KA1 and the normally opened contact of automatic switch closing relay K1 of the other control cabinet KZX of machine respectively; The coil other end of automatic switch separating brake relay K 2 is connected with No. 3 terminals, the normally opened contact of auxiliary relay KA2 and the normally opened contact of automatic switch separating brake relay K 2 of the other control cabinet KZX of machine respectively; The other end of two normally opened contact on two normally opened contact on the automatic switch closing relay K1 and the automatic switch separating brake relay K 2 all is connected with the live wire of 220V AC power through fuse F U.Device for under-voltage releasing equipment TK is connected with No. 2 terminals of the other control cabinet KZX of machine.No. 5 terminals of the other control cabinet KZX of said machine are connected with the normally opened contact of auxiliary relay KA1 and normally opened contact one end of auxiliary relay KA2; No. 4 terminals of the other control cabinet KZX of the normally opened contact of auxiliary relay KA1 and machine and the coil of automatic switch closing relay K1 are connected; No. 3 terminals of the other control cabinet KZX of the normally opened contact of auxiliary relay KA2 and machine and the coil of automatic switch closing relay K2 are connected.
Claims (10)
1. the control device of a motor comprises main circuit and control circuit; It is characterized in that: main circuit comprises automatic switch QM, and the input of automatic switch QM is connected with three live wire L1, L2 and L3 of 380V three-phase alternating-current supply, and the output of automatic switch QM is connected with controlled motor M through three leads.
2. according to the control device of the said motor of claim 1, it is characterized in that: said control circuit comprises the other control cabinet KZX of machine, is provided with emergency stop switch SB, selector switch SA, start button SB1 and X button SB2 in the other control cabinet KZX of machine; Selector switch SA comprises the remote control switch YK and the hand switch SK of interlock; The end of emergency stop switch SB, remote control switch YK and hand switch SK is connected with No. 1 terminal of the other control cabinet KZX of machine; The other end of emergency stop switch SB is connected with No. 2 terminals of the other control cabinet KZX of machine; Hand switch SK is connected with the end of start button SB1 and X button SB2, and the other end of start button SB1 and X button SB2 is connected with No. 4 terminals with No. 3 of the other control cabinet KZX of machine respectively; The other end of remote control switch YK is connected with No. 5 terminals of the other control cabinet KZX of machine.
3. according to the control device of the said motor of claim 2, it is characterized in that: No. 1 terminal of the other control cabinet KZX of said machine all is connected with the live wire of 220V AC power through fuse F U.
4. according to the control device of the said motor of claim 3, it is characterized in that: the output of said automatic switch QM is connected with controlled motor M through three leads; A lead wherein is connected with collecting and distributing control/programmable control system DCS/PLC through current transformer TA2, and another root lead wherein is connected with the current inductor PA1 of actuating motor D through current transformer TA1.
5. according to the control device of the said motor of claim 4, it is characterized in that: said automatic switch QM is provided with sensitive switch S3, device for under-voltage releasing equipment TK, automatic switch motor-operating mechanism CD and Chang Kai auxiliary contact.
6. according to the control device of the said motor of claim 5, it is characterized in that: said automatic switch motor-operating mechanism CD comprises actuating motor D and automatic switch separating brake relay K 1 and automatic switch closing relay K2.
7. according to the control device of the said motor of claim 6; It is characterized in that: said collecting and distributing control/programmable control system DCS/PLC comprises the DCS chip, the input of DCS chip respectively with selector switch SA in remote control switch YK on normally opened contact be connected with the auxiliary contact of often opening on the automatic switch QM; The input of DCS chip is connected with the coil of auxiliary relay KA2 with auxiliary relay KA1 respectively.
8. according to the control device of the said motor of claim 7, it is characterized in that: said actuating motor D is connected with 220V AC power live wire through the normally opened contact of automatic switch closing relay K1 and the normally opened contact of automatic switch separating brake relay K 2; Coil one end of automatic switch closing relay K1 is connected with the normally opened contact of sensitive switch S3, and coil one end of automatic switch separating brake relay K 2 is connected with the normally-closed contact of sensitive switch S3, and the other end of sensitive switch S3 is connected with the zero line of 220V AC power; The coil other end of automatic switch closing relay K1 is connected with No. 4 terminals, the normally opened contact of auxiliary relay KA1 and the normally opened contact of automatic switch closing relay K1 of the other control cabinet KZX of machine respectively; The coil other end of automatic switch separating brake relay K 2 is connected with No. 3 terminals, the normally opened contact of auxiliary relay KA2 and the normally opened contact of automatic switch separating brake relay K 2 of the other control cabinet KZX of machine respectively; The other end of two normally opened contact on two normally opened contact on the automatic switch closing relay K1 and the automatic switch separating brake relay K 2 all is connected with the live wire of 220V AC power through fuse F U.
9. the control device of said motor according to Claim 8, it is characterized in that: said device for under-voltage releasing equipment TK is connected with No. 2 terminals of the other control cabinet KZX of machine.
10. according to the control device of the said motor of claim 9, it is characterized in that: No. 5 terminals of the other control cabinet KZX of said machine are connected with the normally opened contact of auxiliary relay KA1 and normally opened contact one end of auxiliary relay KA2; No. 4 terminals of the other control cabinet KZX of the normally opened contact of auxiliary relay KA1 and machine and the coil of automatic switch closing relay K1 are connected; No. 3 terminals of the other control cabinet KZX of the normally opened contact of auxiliary relay KA2 and machine and the coil of automatic switch closing relay K2 are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120275956U CN202150818U (en) | 2011-08-01 | 2011-08-01 | Control device for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120275956U CN202150818U (en) | 2011-08-01 | 2011-08-01 | Control device for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202150818U true CN202150818U (en) | 2012-02-22 |
Family
ID=45591868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120275956U Expired - Fee Related CN202150818U (en) | 2011-08-01 | 2011-08-01 | Control device for motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202150818U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867953A (en) * | 2019-12-20 | 2020-03-06 | 贵阳铝镁设计研究院有限公司 | Arrangement method of remote network structure of double-power in-place box of stirring motor of decomposition tank |
-
2011
- 2011-08-01 CN CN201120275956U patent/CN202150818U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867953A (en) * | 2019-12-20 | 2020-03-06 | 贵阳铝镁设计研究院有限公司 | Arrangement method of remote network structure of double-power in-place box of stirring motor of decomposition tank |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201608534U (en) | Microcomputer-controlled voltage-regulating reactive power automatic compensation device for electrified railway | |
| US11017967B2 (en) | Distribution grounding switch to support distributed energy resources | |
| CN204089346U (en) | The rig net electricity electric power system that a kind of voltage regulates automatically | |
| CN201629502U (en) | Low-voltage distribution transformer reactive power compensation integrated box | |
| CN103515956A (en) | Voltage switching automatic paralleling device | |
| CN204361791U (en) | A kind of circuit structure of intelligent low-pressure distribution terminal | |
| CN202150818U (en) | Control device for motor | |
| CN205984829U (en) | Continuously adjustable three -phase breaker with function recloses | |
| CN209044774U (en) | A kind of prepaid low-voltage broken circuit control device | |
| CN103580007A (en) | Intelligent frame controller | |
| CN204086340U (en) | A kind of switch external intelligent electric energy meter stops repeating installation | |
| CN201584666U (en) | Low-voltage comprehensive power distribution box | |
| CN202513106U (en) | Dedicated molded case circuit breaker for prepayment type electric energy meter | |
| CN204578107U (en) | A kind of multi-functional combining inverter | |
| CN204947719U (en) | A kind of automatic low-voltage circuit breaker control device with remote monitoring function | |
| CN203761036U (en) | Line protection device | |
| CN209313424U (en) | A kind of zero-sequence current protection circuit | |
| CN203261125U (en) | Self-powered digital relay | |
| CN201584672U (en) | Novel power distribution and transformation device | |
| CN207691414U (en) | A kind of high pressure protector | |
| CN205826775U (en) | A kind of electric load comprehensive protector | |
| CN108063596A (en) | A kind of photovoltaic generating system and its control method | |
| CN202018930U (en) | Multifunctional three-phase digital display circuit breaker | |
| CN213783271U (en) | Switching-on inrush current control device of no-load transformer | |
| CN202996684U (en) | Permanent magnet vacuum feeder switch used in mining explosion suppression type mobile transformer station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120222 Termination date: 20150801 |
|
| EXPY | Termination of patent right or utility model |