CN204810180U - starting device - Google Patents
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- CN204810180U CN204810180U CN201520531017.XU CN201520531017U CN204810180U CN 204810180 U CN204810180 U CN 204810180U CN 201520531017 U CN201520531017 U CN 201520531017U CN 204810180 U CN204810180 U CN 204810180U
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- contactor
- motor
- soft initiator
- control module
- power supply
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- 239000007858 starting material Substances 0.000 claims abstract description 20
- 239000003999 initiator Substances 0.000 claims description 90
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 230000037361 pathway Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 241000931705 Cicada Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Control Of Electric Motors In General (AREA)
Abstract
The utility model discloses a starting drive, include: a power source; the soft starter is connected between the power supply and the motor, and is started after the soft starter receives a starting instruction; the contactor is connected between the soft starter and the motor and is connected with a power supply; after the soft starter is started, the soft starter sends a bypass signal to the contactor so as to enable the contactor to be closed, and the power supply supplies power to the motor through the contactor so as to enable the motor to reach a rated rotating speed; after the soft starter is started, the contactor sends a stop signal to the soft starter so that the soft starter enters a running stop state. The utility model provides a device is used for solving and uses soft starter to come the starter motor among the prior art, and after motor normal operating, soft starter still is in online running state, and the soft starter life-span that leads to is short, the technical problem that the fault rate is high. The technical effects of prolonging the service life of the soft starter and improving the reliability of the device are achieved.
Description
Technical field
The utility model relates to Industry Control equipment technology field, particularly relates to a kind of starting drive.
Background technology
Current, in iron and steel enterprise, occur overcurrent tripping in order to avoid during electric motor starting, the low voltage motor major part of more than 90KW can use soft initiator to reduce starting current, to protect motor.
But, treat that motor runs and reach rated revolution, after start-up course terminates, soft initiator is also in online running status, and soft initiator inside is electronic devices and components, electronic devices and components, as being in running status for a long time, can cause equipment on-line shorter for useful life, general at about 3 years, spare part costly.And long-term on-line operation can cause soft initiator performance that faint change occurs, and easily occurs the problems such as mistaking signal, and then affects the normal operation of equipment, there is potential safety hazard.
That is, use soft initiator to carry out starter motor in prior art, after motor normally runs, soft initiator is also in online running status, causes the soft initiator life-span short, the technical problem that failure rate is high.
Utility model content
The utility model, by providing a kind of starting drive, solves in prior art and uses soft initiator to carry out starter motor, and after motor normally runs, soft initiator is also in online running status, and the soft initiator life-span caused is short, the technical problem that failure rate is high.
The embodiment of the present application provides following technical scheme:
A kind of starting drive, for starter motor, comprising:
Power supply;
Soft initiator, is connected between described power supply and described motor, and after described soft initiator receives enabled instruction, described soft initiator starts;
Contactor, be connected between described soft initiator and described motor, described contactor is connected with described power supply;
Wherein, after described soft initiator has started, described soft initiator has sent by-passing signal to described contactor, and to make described contactor adhesive, described power supply is described feeding electric motors by described contactor, makes described motor reach rated speed;
Wherein, after described soft initiator has started, described contactor has sent stop signal to described soft initiator, enters run-stopping status to make described soft initiator.
Optionally, described starting drive also comprises: control module, and described control module is connected with described soft initiator, when starting triggering signal to receive in described control module, sends described enabled instruction to described soft initiator.
Optionally, described control module is connected with described contactor, when stopping triggering signal to receive in described control module, sends halt instruction to described contactor, disconnects, and then make described motor stalls to control described contactor.
Optionally, described control module is specially control button or control lever; When described control module is specially control button, described startup triggering signal is that user presses the triggering signal produced by described control module; When described control module is specially control lever, described startup triggering signal is the triggering signal that user moves the generation of described control module.
Optionally, described control module is specially programmable logic controller (PLC); Described startup triggering signal is the triggering signal generated according to the control routine of user's input.
Optionally, described contactor comprises: often make war, and described normal battle is preset as off-state, when described contactor receives described by-passing signal, described normal battle enters closure state, to make power supply be described feeding electric motors by described contactor, and then makes described motor reach rated speed.
Optionally, described contactor comprises: normally closed point, described normally closed point is preset as closure state, when described contactor receives the halt instruction for controlling the disconnection of described contactor, described normally closed point enters off-state, stopping by described contactor to make power supply is described feeding electric motors, and then makes described motor enter run-stopping status.
Optionally, described starting drive also comprises: motor protecter, is connected between described contactor and described motor; With when the parameter of described motor exceeds preset range, cut off the electric pathway between described contactor and described motor.
The one or more technical schemes provided in the embodiment of the present application, at least have following technique effect or advantage:
1, the starting drive that the embodiment of the present application provides, arranging contactor is connected between soft initiator and motor, and contactor is connected with power supply, with after soft initiator has started, power supply transfers to provide rated voltage by contactor for motor runs well, and after soft initiator has started, control soft initiator and enter run-stopping status, to reduce the operation duration of electronic devices and components in soft initiator, and then extend the useful life of soft initiator, reduce the fault that soft initiator occurs because of performance degradation, improve device reliability, and soft initiator is automatically out of service, need not manually close, save labour.
2, the starting drive that provides of the embodiment of the present application, can manual unlatching be carried out by control button or control lever and stop motor running, also can by programmable logic controller (PLC) prelist code control motor stop or run, achieve the diversity of Electric Machine Control mode.
3, the starting drive that provides of the embodiment of the present application, arranges motor protecter in described motor operation course, with when the parameter of described motor exceeds preset range, cuts off the electric pathway between described contactor and described motor, to improve the reliability of device.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the structure chart of starting drive in the embodiment of the present application;
Fig. 2 is the detailed circuit diagram of starting drive in the embodiment of the present application.
Embodiment
The embodiment of the present application, by providing a kind of starting drive, solves in prior art and uses soft initiator to carry out starter motor, and after motor normally runs, soft initiator is also in online running status, and the soft initiator life-span caused is short, the technical problem that failure rate is high.Achieve the useful life extending soft initiator, improve the technique effect of device reliability.
For solving the problems of the technologies described above, the embodiment of the present application provides the general thought of technical scheme as follows:
The application provides a kind of starting drive, for starter motor, comprising:
Power supply;
Soft initiator, is connected between described power supply and described motor, and after described soft initiator receives enabled instruction, described soft initiator starts;
Contactor, be connected between described soft initiator and described motor, described contactor is connected with described power supply;
Wherein, after described soft initiator has started, described soft initiator has sent by-passing signal to described contactor, and to make described contactor adhesive, described power supply is described feeding electric motors by described contactor, makes described motor reach rated speed;
Wherein, after described soft initiator has started, described contactor has sent stop signal to described soft initiator, enters run-stopping status to make described soft initiator.
Can be found out by foregoing, be connected between soft initiator and motor by arranging contactor, and contactor is connected with power supply, with after soft initiator has started, power supply transfers to provide rated voltage by contactor for motor runs well, and after soft initiator has started, control soft initiator and enter run-stopping status, to reduce the operation duration of electronic devices and components in soft initiator, and then extend the useful life of soft initiator, reduce the fault that soft initiator occurs because of performance degradation, improve device reliability.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete execution mode, technique scheme is described in detail, the specific features being to be understood that in the utility model embodiment and embodiment is the detailed description to technical scheme, instead of the restriction to technical scheme, when not conflicting, the technical characteristic in the embodiment of the present application and embodiment can combine mutually.
In the present embodiment, provide a kind of starting drive, for starter motor, please refer to Fig. 1, Fig. 1 is the structure chart of starting drive in the embodiment of the present application, and as shown in Figure 1, described device comprises:
Power supply 1;
Soft initiator 2, is connected between described power supply 1 and described motor 3, and after described soft initiator 2 receives enabled instruction, described soft initiator 2 starts;
Contactor 4, be connected between described soft initiator 2 and described motor 3, described contactor 4 is connected with described power supply 1;
Wherein, after described soft initiator 2 has started, described soft initiator 2 has sent by-passing signal to described contactor 4, and to make the adhesive of described contactor 4, described power supply 1 is powered for described motor 3 by described contactor 4, makes described motor 3 reach rated speed;
Wherein, after described soft initiator 2 has started, described contactor 4 has sent stop signal to described soft initiator 2, enters run-stopping status to make described soft initiator 2.
Below, the structure of described starting drive and the operation of described starting drive is introduced in detail.
First, the structure of described starting drive is introduced.
In the embodiment of the present application, occur overcurrent tripping in order to avoid during electric motor starting, described power supply 1 is low-tension supply, and described soft initiator 2 is low pressure soft initiator.
In the embodiment of the present application, contactor 4 is specially permanent magnet contactor, its energy-saving effect is remarkable, simultaneously permanent magnet contactor is also applicable to system and occurs voltage drop " shake electricity ", common contact device voltage drops to rated value less than 75%, contactor is threaded off, and permanent magnet contactor standard release voltage value of dispatching from the factory is rated value about 40%.
In the embodiment of the present application, as shown in Figure 1, described starting drive, also comprises:
Control module 5, described control module 5 is connected with described soft initiator 2, when starting triggering signal to receive in described control module 5, sends described enabled instruction to described soft initiator 2.
In specific implementation process, described control module 5 not only starts to control soft initiator 2 for sending enabled instruction, also stop operating for controlling motor 3, namely described control module 5 is connected with described contactor 4, when stopping triggering signal to receive in described control module 5, send halt instruction to described contactor 4, disconnect to control described contactor 4, and then described motor 3 is stopped operating.
Specifically, described control module 5 can be manually operated control lever, control button or control rotating disk, and can be also control circuit or control chip, such as programmable logic controller (PLC), this is not restricted.
Certainly, described starting drive can comprise multiple control module 5, such as: as shown in Figure 1, comprises manually operated control button 501 simultaneously and programmes in advance with the programmable logic controller (PLC) 502 of Long-distance Control.
When described control module 5 is specially control button 501, described startup triggering signal is that user presses the triggering signal produced by described control module;
When described control module 5 is specially control lever, described startup triggering signal is the triggering signal that user moves the generation of described control module.
When described control module 5 is specially programmable logic controller (PLC) 502; Described startup triggering signal is the triggering signal generated according to the control routine of user's input.
In the embodiment of the present application, described contactor 4 comprises:
Normal battle, described normal battle is preset as off-state, when described contactor receives described by-passing signal, described normal battle enters closure state, to make power supply be described feeding electric motors by described contactor, and then make described motor reach rated speed, enter stable operation stage.
Further, described contactor 4 comprises:
Normally closed point, described normally closed point is preset as closure state, when described contactor receives the halt instruction for controlling the disconnection of described contactor, described normally closed point enters off-state, stopping by described contactor to make power supply is described feeding electric motors, and then makes described motor enter run-stopping status.
In the embodiment of the present application, described starting drive, also comprises:
Motor protecter 6, is connected between described contactor 4 and described motor 3; With when the parameter of described motor 3 exceeds preset range, cut off the electric pathway between described contactor and described motor.
Specifically; consider startup complete and soft initiator 2 out of service after; former soft initiator 2 carries protection and quits work; therefore the additional motor protecter 6 of the present embodiment; motor 3 occur overcurrent, overvoltage or overload situation time; cut off the electric pathway between contactor 4 and motor 3, disconnect the power supply to motor 3 in time, realize the protection work in motor 3 running.
After the concrete structure understanding the starting drive that the present embodiment provides, provide Fig. 2 below, Fig. 2 is the physical circuit connection layout of starting drive.
Next, the operation of described starting drive is introduced.
In the embodiment of the present application, the startup of described starting drive and stopping can being divided into the other manual and automatic two kinds of modes of operation of machine, and be control button below with manual control module, automatic control module is programmable logic controller (PLC) is example, is described respectively:
Machine is other to manually boot: field control button is selected in regard to position, after soft initiator has started, by-passing signal sends, the adhesive of external contact device, motor normally runs, often battle, coil KM closed the external contact device being simultaneously serially connected in soft initiator, realized motor and normally ran rear soft initiator and automatically stop.
Machine is other manually to be stopped: directly pressing case stop button by machine, contactor often battle coil KM dead electricity, motor is out of service.
Programmable logic controller (PLC) starts automatically: field control button is selected in concentrated position, host computer starts, after soft initiator has started, by-passing signal sends, the adhesive of external contact device, motor normally runs, and often battle, KM closed the external contact device being simultaneously serially connected in soft initiator, realizes motor and normally runs rear soft initiator and automatically stop.
Programmable logic controller (PLC) stops automatically: in centralized control loop, be connected in series the normally closed point of an auxiliary relay KA, when programmable logic controller (PLC) send out cease and desist order time normal close point KA disconnect, contactor coil often battle KM dead electricity, motor stops.
Technical scheme in above-mentioned the embodiment of the present application, at least has following technique effect or advantage:
1, the starting drive that the embodiment of the present application provides, arranging contactor is connected between soft initiator and motor, and contactor is connected with power supply, with after soft initiator has started, power supply transfers to provide rated voltage by contactor for motor runs well, and after soft initiator has started, control soft initiator and enter run-stopping status, to reduce the operation duration of electronic devices and components in soft initiator, and then extend the useful life of soft initiator, reduce the fault that soft initiator occurs because of performance degradation, improve device reliability, and soft initiator is automatically out of service, need not manually close, save labour.
2, the starting drive that provides of the embodiment of the present application, can manual unlatching be carried out by control button or control lever and stop motor running, also can by programmable logic controller (PLC) prelist code control motor stop or run, achieve the diversity of Electric Machine Control mode.
3, the starting drive that provides of the embodiment of the present application, arranges motor protecter when the parameter of described motor exceeds preset range, cuts off the electric pathway between described contactor and described motor, to improve the reliability of device.
Although described preferred embodiment of the present utility model, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (8)
1. a starting drive, for starter motor, is characterized in that, comprising:
Power supply;
Soft initiator, is connected between described power supply and described motor, and after described soft initiator receives enabled instruction, described soft initiator starts;
Contactor, be connected between described soft initiator and described motor, described contactor is connected with described power supply;
Wherein, after described soft initiator has started, described soft initiator has sent by-passing signal to described contactor, and to make described contactor adhesive, described power supply is described feeding electric motors by described contactor, makes described motor reach rated speed;
Wherein, after described soft initiator has started, described contactor has sent stop signal to described soft initiator, enters run-stopping status to make described soft initiator.
2. starting drive as claimed in claim 1, is characterized in that, also comprise:
Control module, described control module is connected with described soft initiator, when starting triggering signal to receive in described control module, sends described enabled instruction to described soft initiator.
3. starting drive as claimed in claim 2, is characterized in that:
Described control module is connected with described contactor, when stopping triggering signal to receive in described control module, sends halt instruction to described contactor, disconnects, and then make described motor stalls to control described contactor.
4. starting drive as claimed in claim 2, is characterized in that:
Described control module is specially control button or control lever;
When described control module is specially control button, described startup triggering signal is that user presses the triggering signal produced by described control module;
When described control module is specially control lever, described startup triggering signal is the triggering signal that user moves the generation of described control module.
5. starting drive as claimed in claim 2, is characterized in that:
Described control module is specially programmable logic controller (PLC); Described startup triggering signal is the triggering signal generated according to the control routine of user's input.
6. starting drive as claimed in claim 1, it is characterized in that, described contactor comprises:
Normal battle, described normal battle is preset as off-state, and when described contactor receives described by-passing signal, described normal battle enters closure state, to make described power supply be described feeding electric motors by described contactor, and then makes described motor reach rated speed.
7. starting drive as claimed in claim 1, it is characterized in that, described contactor comprises:
Normally closed point, described normally closed point is preset as closure state, when described contactor receives the halt instruction for controlling the disconnection of described contactor, described normally closed point enters off-state, stopping by described contactor to make described power supply is described feeding electric motors, and then makes described motor enter run-stopping status.
8. starting drive as claimed in claim 1, is characterized in that, also comprise:
Motor protecter, is connected between described contactor and described motor; With when the parameter of described motor exceeds preset range, cut off the electric pathway between described contactor and described motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520531017.XU CN204810180U (en) | 2015-07-21 | 2015-07-21 | starting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520531017.XU CN204810180U (en) | 2015-07-21 | 2015-07-21 | starting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204810180U true CN204810180U (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520531017.XU Active CN204810180U (en) | 2015-07-21 | 2015-07-21 | starting device |
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| CN (1) | CN204810180U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017184393A (en) * | 2016-03-29 | 2017-10-05 | アイシン・エィ・ダブリュ株式会社 | Inverter controller |
| CN109565250A (en) * | 2016-08-04 | 2019-04-02 | 西门子股份公司 | Soft activator, operation method and switching system |
-
2015
- 2015-07-21 CN CN201520531017.XU patent/CN204810180U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017184393A (en) * | 2016-03-29 | 2017-10-05 | アイシン・エィ・ダブリュ株式会社 | Inverter controller |
| CN109565250A (en) * | 2016-08-04 | 2019-04-02 | 西门子股份公司 | Soft activator, operation method and switching system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |