CN204993121U - Bi -motor star triangle start control device - Google Patents
Bi -motor star triangle start control device Download PDFInfo
- Publication number
- CN204993121U CN204993121U CN201520562612.XU CN201520562612U CN204993121U CN 204993121 U CN204993121 U CN 204993121U CN 201520562612 U CN201520562612 U CN 201520562612U CN 204993121 U CN204993121 U CN 204993121U
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- China
- Prior art keywords
- motor
- star
- contactor
- button
- angle controller
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Abstract
The utility model discloses a bi -motor star triangle start control device, including control box and control main circuit, be provided with control panel on the control box casing, be provided with star triangle controller in the control box, control panel is last be provided with a motor the trouble, stop, move, start the pilot lamp, the trouble of no. Two motors, stop, moving, start the pilot lamp, press the button manual push button, automatic pilot lamp, manual pilot lamp, delay time charactron, the stopping of the stopping an of motor, start button and no. Two motors, start button automatically. The utility model provides a bi -motor star triangle start control device need not adorn power transformer, time relay, auxiliary relay, change over switch, button, pilot lamp, alarm etc. The simple clarity of control scheme, the maintenance of being convenient for, the fault point is few, and the reliability is high, save power transformer, practiced thrift the energy, the device is few, and is with low costs, time relay shows the delay time with the charactron replacement, uses convenience directly perceived.
Description
Technical field
The utility model relates to a kind of bi-motor star triangle start control device.
Background technology
The star triangle start circuit of motor is commonly employed in productive life at ordinary times; its role is to can low voltage starting, high-voltage operation; have very huge effect to the protection of motor, the star triangle start control device of motor is generally control cubicle or control cabinet.
Originally power transformer will be filled, the time relay, auxiliary relay, change over switch, button, indicator light, alarm etc. in star triangle start control cabinet (cabinet); Control cabinet (cabinet) interior device is many, and volume is large, controls wiring many, and control wiring complicated, fault point is many, poor reliability, inconvenience maintenance;
More than one time relay at least will be filled in star triangle control cabinet (cabinet) originally, and the time relay not displaying time, only represent with scale.
And sometimes have more than a star triangle start circuit afterwards to need to control, necessaryly provide a kind of bi-motor star triangle start control device.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and provide a kind of bi-motor star triangle start control device, control device inside need not fill power transformer, the time relay, auxiliary relay, change over switch, button, indicator light, alarm etc.; Control circuit is simply clear, is convenient to maintenance; Reduce the fault point, improve reliability; Eliminate power transformer, save the energy; Reduce device, connect about cost; Replace the time relay display delayed time with charactron, use intuitive and convenient.
The purpose of this utility model is achieved through the following technical solutions: bi-motor star triangle start control device, comprise control box and control main circuit, control box housing is provided with control panel, star three angle controller is provided with in control box, described control panel is provided with an electrical fault indicator light, a motor stops indicator light, a motor run indicator, an electric motor starting indicator light, No. two electrical fault indicator lights, No. two motors stop indicator light, No. two motor run indicator, No. two electric motor starting indicator lights, automatic button, hand push button, automatic pilot lamp, manual indicator light, delay time charactron, a motor stop button, an electric motor starting button, No. two motor stop buttons and No. two electric motor starting buttons,
Described control main circuit comprises circuit breaker, the first reduced-voltage starting circuit, the second reduced-voltage starting circuit, a motor external control valve and No. two motor external control valves; The input of described circuit breaker is connected with power supply, and the output of circuit breaker is connected with the first reduced-voltage starting circuit and the second reduced-voltage starting circuit respectively, and the output of circuit breaker is also connected with star three angle controller by controller protective tube; A described motor external control valve is connected with star three angle controller respectively with the output of No. two motor external control valves; Described star three angle controller is connected with the first reduced-voltage starting circuit and the second reduced-voltage starting circuit respectively;
The first described reduced-voltage starting circuit and the second reduced-voltage starting circuit are two identical star triangle start circuit;
Described star three angle controller also stops indicator light, motor run indicator, an electric motor starting indicator light with on control panel No. one electrical fault indicator light, a motor respectively, No. two electrical fault indicator lights, No. two motors stop indicator light, No. two motor run indicator, No. two electric motor starting indicator lights, automatic button, hand push button, automatic pilot lamp, manual indicator light, delay time charactron, motor stop button, electric motor starting button, No. two motor stop buttons are connected with No. two electric motor starting buttons.
Described star triangle start circuit comprises the first contactor, thermal relay FR, motor, the second contactor and the 3rd contactor; The input of the first described contactor is connected with circuit breaker, the output of the first contactor is connected with motor by thermal relay FR, the output of described motor carries out star-star connection by the second contactor, and the output of described motor carries out delta connection by the 3rd contactor.
Described power supply is three phase mains, and described circuit breaker is three-phase breaker, and described thermal relay FR is three-phase electrical relay, and the first described contactor, the second contactor and the 3rd contactor are three-phase contactor, and described motor is three phase electric machine.
The first described contactor comprises often opens the auxiliary contact D1 of main contacts A1, contactor coil B1 and Chang Kai;
The second described contactor comprises often opens main contacts A2, contactor coil B2 and normally closed auxiliary contact C2;
The 3rd described contactor comprises often opens main contacts A3, contactor coil B3, the auxiliary contact D3 of normally closed auxiliary contact C3 and Chang Kai;
One end of one end of described contactor coil B1, one end of contactor coil B2 and contactor coil B3 is connected on same common point, and described common point is connected on circuit breaker by protective tube FU1; The other end of contactor coil B1 is connected with star three angle controller; The other end of contactor coil B2 is connected with star three angle controller by normally closed auxiliary contact C3; The other end of contactor coil B3 is connected with star three angle controller by normally closed auxiliary contact C2; The one end of often opening auxiliary contact D1 is connected with star three angle controller, and the other end is connected with star three angle controller by often opening auxiliary contact D3;
Described one end of often opening main contacts A1 is connected with circuit breaker, and the other end is connected with the input of motor by thermal relay, and the output of motor carries out star-star connection by often opening main contacts A2; The output of motor carries out delta connection by often opening main contacts A3.
Described thermal relay FR also comprises an auxiliary contact of thermal relay, and the two ends of the auxiliary contact of described thermal relay are connected with star three angle controller respectively.
Described control panel also comprises a mute button, described mute button is connected with star three angle controller.
Described control panel also comprises a sound alarm subsystem, described sound alarm subsystem is connected with star three angle controller.
The beneficial effects of the utility model are: (1) control device inside need not fill control power transformer, the time relay, auxiliary relay, change over switch, button, indicator light, alarm, has saved space and cost, reduce volume.
(2) control circuit is simply clear, is convenient to maintenance.
(3) reduce the fault point, improve reliability.
(4) eliminate power transformer, save the energy.
(5) time relay display delayed time is replaced, intuitive and convenient when observing and arrange with charactron.
Accompanying drawing explanation
Fig. 1 is the utility model control panel schematic diagram;
Fig. 2 is the theory diagram that the utility model controls main circuit;
Fig. 3 is the coil of three contactors in star triangle start circuit and auxiliary contact wiring schematic diagram;
Fig. 4 is the wiring schematic diagram between the main contact of three contactors in star delta starter and motor, thermal relay.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail, but protection range of the present utility model is not limited to the following stated.
As shown in Figure 1, bi-motor star triangle start control device, comprise control box and control main circuit, control box housing is provided with control panel, star three angle controller is provided with in control box, described control panel is provided with an electrical fault indicator light, a motor stops indicator light, a motor run indicator, an electric motor starting indicator light, No. two electrical fault indicator lights, No. two motors stop indicator light, No. two motor run indicator, No. two electric motor starting indicator lights, automatic button, hand push button, automatic pilot lamp, manual indicator light, delay time charactron, a motor stop button, an electric motor starting button, No. two motor stop buttons and No. two electric motor starting buttons, words identification in Fig. 1 is the writing that control panel inherently has, or can regard the pictograph on control panel as, is not artificial annotation,
As shown in Figure 2, described control main circuit comprises circuit breaker, the first reduced-voltage starting circuit, the second reduced-voltage starting circuit, a motor external control valve and No. two motor external control valves; The input of described circuit breaker is connected with power supply, and the output of circuit breaker is connected with the first reduced-voltage starting circuit and the second reduced-voltage starting circuit respectively, and the output of circuit breaker is also connected with star three angle controller by controller protective tube; A described motor external control valve is connected with star three angle controller respectively with the output of No. two motor external control valves; Described star three angle controller is connected with the first reduced-voltage starting circuit and the second reduced-voltage starting circuit respectively;
The first described reduced-voltage starting circuit and the second reduced-voltage starting circuit are two identical star triangle start circuit;
Described star three angle controller also stops indicator light, motor run indicator, an electric motor starting indicator light with on control panel No. one electrical fault indicator light, a motor respectively, No. two electrical fault indicator lights, No. two motors stop indicator light, No. two motor run indicator, No. two electric motor starting indicator lights, automatic button, hand push button, automatic pilot lamp, manual indicator light, delay time charactron, motor stop button, electric motor starting button, No. two motor stop buttons are connected with No. two electric motor starting buttons.
Described star triangle start circuit comprises the first contactor, thermal relay FR, motor, the second contactor and the 3rd contactor; The input of the first described contactor is connected with circuit breaker, the output of the first contactor is connected with motor by thermal relay FR, the output of described motor carries out star-star connection by the second contactor, and the output of described motor carries out delta connection by the 3rd contactor.
Described power supply is three phase mains, and described circuit breaker is three-phase breaker, and described thermal relay FR is three-phase electrical relay, and the first described contactor, the second contactor and the 3rd contactor are three-phase contactor, and described motor is three phase electric machine.
As shown in Fig. 3 ~ Fig. 4, the first described contactor comprises often opens the auxiliary contact D1 of main contacts A1, contactor coil B1 and Chang Kai;
The second described contactor comprises often opens main contacts A2, contactor coil B2 and normally closed auxiliary contact C2;
The 3rd described contactor comprises often opens main contacts A3, contactor coil B3, the auxiliary contact D3 of normally closed auxiliary contact C3 and Chang Kai;
One end of one end of described contactor coil B1, one end of contactor coil B2 and contactor coil B3 is connected on same common point, and described common point is connected on circuit breaker by protective tube FU1; The other end of contactor coil B1 is connected with star three angle controller (MU in Fig. 3 represents star three angle controller); The other end of contactor coil B2 is connected with star three angle controller (MU in Fig. 3) by normally closed auxiliary contact C3; The other end of contactor coil B3 is connected with star three angle controller (MU in Fig. 3) by normally closed auxiliary contact C2; The one end of often opening auxiliary contact D1 is connected with star three angle controller (MU in Fig. 3), and the other end is connected with star three angle controller (MU in Fig. 3) by often opening auxiliary contact D3;
Described one end of often opening main contacts A1 is connected with circuit breaker, and the other end is connected with the input of motor by thermal relay, and the output of motor carries out star-star connection by often opening main contacts A2; The output of motor carries out delta connection by often opening main contacts A3.
Existing composition graphs 4 illustrates that the output of motor carries out the output of star-star connection and motor by often opening the concrete mode of connection that main contacts A3 carries out delta connection by often opening main contacts A2:
As shown in Figure 4, the input of motor is connected with thermal relay FR, the input of motor has three Wiring ports 1U, 1V and 1W, the output of motor also has three Wiring ports 2U, 2V and 2W, wherein motor internal 1U port is corresponding with 2U port connects, 1V port is corresponding with 2V port to be connected, and 1W port is corresponding with 2W port to be connected; Three ports of motor output end by the second contactor often open main contacts A2 after connect together, be exactly described star-star connection; Three ports of the output of motor by the 3rd contactor often open main contacts A3 after, the wiring corresponding to 2U in main contacts A3 is connected on the Wiring port 1V of input end of motor, the wiring corresponding to 2V in main contacts A3 is connected on the Wiring port 1W of input end of motor, the wiring corresponding to 2W in main contacts A3 is connected on the Wiring port 1U of input end of motor, the delta connection of the motor described in Here it is.
Described thermal relay FR also comprises an auxiliary contact of thermal relay, and the two ends of the auxiliary contact of described thermal relay are connected with star three angle controller respectively.
Also comprise a mute button, described mute button is connected with star three angle controller.
Described control panel also comprises a sound alarm subsystem, described sound alarm subsystem is connected with star three angle controller.
In the course of work, when pressing automatic button, by the start and stop of a motor external control valve and No. two motor external control valve control motors, when pressing hand push button, controlled the start and stop of motor by the stopping of the stopping of on control panel No. one motor, start button and No. two motors, start button.
Claims (7)
1. bi-motor star triangle start control device, it is characterized in that: comprise control box and control main circuit, control box housing is provided with control panel, star three angle controller is provided with in control box, described control panel is provided with an electrical fault indicator light, a motor stops indicator light, a motor run indicator, an electric motor starting indicator light, No. two electrical fault indicator lights, No. two motors stop indicator light, No. two motor run indicator, No. two electric motor starting indicator lights, automatic button, hand push button, automatic pilot lamp, manual indicator light, delay time charactron, a motor stop button, an electric motor starting button, No. two motor stop buttons and No. two electric motor starting buttons,
Described control main circuit comprises circuit breaker, the first reduced-voltage starting circuit, the second reduced-voltage starting circuit, a motor external control valve and No. two motor external control valves; The input of described circuit breaker is connected with power supply, and the output of circuit breaker is connected with the first reduced-voltage starting circuit and the second reduced-voltage starting circuit respectively, and the output of circuit breaker is also connected with star three angle controller by controller protective tube; A described motor external control valve is connected with star three angle controller respectively with the output of No. two motor external control valves; Described star three angle controller is connected with the first reduced-voltage starting circuit and the second reduced-voltage starting circuit respectively;
The first described reduced-voltage starting circuit and the second reduced-voltage starting circuit are two identical star triangle start circuit;
Described star three angle controller also stops indicator light, motor run indicator, an electric motor starting indicator light with on control panel No. one electrical fault indicator light, a motor respectively, No. two electrical fault indicator lights, No. two motors stop indicator light, No. two motor run indicator, No. two electric motor starting indicator lights, automatic button, hand push button, automatic pilot lamp, manual indicator light, delay time charactron, motor stop button, electric motor starting button, No. two motor stop buttons are connected with No. two electric motor starting buttons.
2. bi-motor star triangle start control device according to claim 1, is characterized in that: described star triangle start circuit comprises the first contactor, thermal relay FR, motor, the second contactor and the 3rd contactor; The input of the first described contactor is connected with circuit breaker, the output of the first contactor is connected with motor by thermal relay FR, the output of described motor carries out star-star connection by the second contactor, and the output of described motor carries out delta connection by the 3rd contactor.
3. bi-motor star triangle start control device according to claim 2, it is characterized in that: described power supply is three phase mains, described circuit breaker is three-phase breaker, described thermal relay FR is three-phase electrical relay, the first described contactor, the second contactor and the 3rd contactor are three-phase contactor, and described motor is three phase electric machine.
4. bi-motor star triangle start control device according to claim 3, is characterized in that: the first described contactor comprises often opens the auxiliary contact D1 of main contacts A1, contactor coil B1 and Chang Kai;
The second described contactor comprises often opens main contacts A2, contactor coil B2 and normally closed auxiliary contact C2;
The 3rd described contactor comprises often opens main contacts A3, contactor coil B3, the auxiliary contact D3 of normally closed auxiliary contact C3 and Chang Kai;
One end of one end of described contactor coil B1, one end of contactor coil B2 and contactor coil B3 is connected on same common point, and described common point is connected on circuit breaker by protective tube FU1; The other end of contactor coil B1 is connected with star three angle controller; The other end of contactor coil B2 is connected with star three angle controller by normally closed auxiliary contact C3; The other end of contactor coil B3 is connected with star three angle controller by normally closed auxiliary contact C2; The one end of often opening auxiliary contact D1 is connected with star three angle controller, and the other end is connected with star three angle controller by often opening auxiliary contact D3;
Described one end of often opening main contacts A1 is connected with circuit breaker, and the other end is connected with the input of motor by thermal relay, and the output of motor carries out star-star connection by often opening main contacts A2; The output of motor carries out delta connection by often opening main contacts A3.
5. bi-motor star triangle start control device according to claim 2, it is characterized in that: described thermal relay FR also comprises an auxiliary contact of thermal relay, the two ends of the auxiliary contact of described thermal relay are connected with star three angle controller respectively.
6. bi-motor star triangle start control device according to claim 2, it is characterized in that: described control panel also comprises a mute button, described mute button is connected with star three angle controller.
7. bi-motor star triangle start control device according to claim 2, it is characterized in that: described control panel also comprises a sound alarm subsystem, described sound alarm subsystem is connected with star three angle controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520562612.XU CN204993121U (en) | 2015-07-30 | 2015-07-30 | Bi -motor star triangle start control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520562612.XU CN204993121U (en) | 2015-07-30 | 2015-07-30 | Bi -motor star triangle start control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204993121U true CN204993121U (en) | 2016-01-20 |
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ID=55127443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520562612.XU Expired - Fee Related CN204993121U (en) | 2015-07-30 | 2015-07-30 | Bi -motor star triangle start control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204993121U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519361A (en) * | 2018-06-27 | 2019-03-26 | 成都富强电子电器科技有限公司 | A kind of controller of the using and the reserved star triangle fire pump |
-
2015
- 2015-07-30 CN CN201520562612.XU patent/CN204993121U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519361A (en) * | 2018-06-27 | 2019-03-26 | 成都富强电子电器科技有限公司 | A kind of controller of the using and the reserved star triangle fire pump |
| CN109519361B (en) * | 2018-06-27 | 2023-11-14 | 成都富强电子电器科技有限公司 | Controller of one-star triangle fire-fighting water pump |
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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: 20160120 Termination date: 20190730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |