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CN205666776U - But motor soft starter of pressure regulating - Google Patents

But motor soft starter of pressure regulating Download PDF

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Publication number
CN205666776U
CN205666776U CN201620539053.5U CN201620539053U CN205666776U CN 205666776 U CN205666776 U CN 205666776U CN 201620539053 U CN201620539053 U CN 201620539053U CN 205666776 U CN205666776 U CN 205666776U
Authority
CN
China
Prior art keywords
motor
mutual
soft starter
inductor
interface
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
Application number
CN201620539053.5U
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Chinese (zh)
Inventor
庄建军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xing Li Technology Development Co Ltd
Original Assignee
Beijing Xing Li Technology Development Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Xing Li Technology Development Co Ltd filed Critical Beijing Xing Li Technology Development Co Ltd
Priority to CN201620539053.5U priority Critical patent/CN205666776U/en
Application granted granted Critical
Publication of CN205666776U publication Critical patent/CN205666776U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Control Of Ac Motors In General (AREA)

Abstract

The utility model discloses a but motor soft starter of pressure regulating, through three input copper bar connection three phase current, through three output copper bar connection motor, three phase current with it has controllable silicon assembly to establish ties in the middle of the motor, and motor soft starter includes a control panel, the control panel includes that treater, source transformation synchronous detection device, current detection device, trigger impulse produce device and external interface, motor soft starter connects normally open contact through the bypass copper bar, bypass copper bar establish ties respectively first interchange mutual -inductor, second interchange mutual -inductor and third interchange mutual -inductor, through exchange the input of connecting normally open contact behind the mutual -inductor, normally open contact's output is established ties respectively and is connected the motor behind the three electrothermal relay.

Description

A kind of motor soft starter of pressure-adjustable
Technical field
This utility model belongs to the starting control field of motor, is specifically related to the motor starter to a kind of pressure-adjustable.
Background technology
Playing an important role in motor vehicle operation, such as, some vehicles can include starter, along with user's closing point Fire switch, this starter can cause the starting of the engine components of vehicle.Soft starter be the soft start of a kind of collection, soft stop, Light-load energy saving and multifunction protection control equipment in the motor of one, can regulate starting process according to the characteristic of motor load In various parameters, such as cut-off current, starting time etc..But, along with the in-depth of collective and distributive type control system, soft starter is not only wanted The function of complete realization itself, more, need to extend various interface and pass on the duty of self to host computer, and With other protection device co-ordinations in system.
Existing soft starter, when system designs, was the most systematically planned ECP Extended Capabilities Port, was not only soft starter The waste of internal resource, be also unprofitable to the synchronous coordination work of whole system, and current soft starter generally have and do not has Overload, under-voltage, the function of power phase shortage protection, therefore can not effectively play the effect of detection protection motor safety.
Utility model content
The purpose of this utility model is to overcome that the planning of prior art soft starter port is unreasonable causes internal resource wave Expense and the defect of detection protection motor safety can not be effectively played, it is provided that a kind of can monitor startup situation the most in real time Pressure-adjustable motor soft starter, and space utilization is reasonable, applied widely and port planning is reasonable, and whole system can be made to synchronize Co-ordination runs.
Concrete, this utility model provides following technical scheme:
The motor soft starter of a kind of pressure-adjustable, connects three phase mains by three input copper bars, by three output copper Row connects motor, is in series with silicon controlled component between described three phase mains and described motor, and motor soft starter includes a control Plate, described panel include processor, power conversion sync detection device, current sensing means, triggering pulse generating device and External interface, described motor soft starter connects normally opened contact by bypass copper bar, and described bypass copper bar is connected the first friendship respectively Current transformer, the second D.C mutual-inductor and the 3rd D.C mutual-inductor, and by described first D.C mutual-inductor, the second AC mutual induction Device and the 3rd D.C mutual-inductor connect the input of normally opened contact, and the outfan of normally opened contact is connected after three thermorelays respectively It is connected with motor;
Described three phase mains connects the input copper bar of motor soft starter by chopper, in chopper outfan and input Any one phase power line between copper bar connects the 4th D.C mutual-inductor, the 4th D.C mutual-inductor one end ground connection, the 4th exchange Ground connection after the other end two ammeters of series connection of transformer;
Described power conversion sync detection device connects three phase mains, obtains described first D.C mutual-inductor, the second exchange Transformer and the current signal of the 3rd D.C mutual-inductor are also transferred to processor;
Described current sensing means connects motor, gathers motor soft starter and exports the current signal of motor, and will adopt The current signal transfer that collection arrives is to processor;
Described processor receives the electric current letter of described power conversion sync detection device and the transmission of described current sensing means Number and output display signal to external interface.
Preferably, external interface includes connecting the input/output interface of input/output unit, running status instruction interface, event One or more in barrier instruction interface, control signal interface, analog signal output interface and power output interface.
Preferably, the bypass interface of panel connects bypass circuit, described normally opened contact and bypass circuit structure Become bypass contactor.
Preferably, control signal interface provide stop in wink, soft stop and soft three function signal ends and a common port.
Preferably, the one or many during input/output unit includes keyboard, button, optical diode and/or light-emitting diode display Kind.
Compared with prior art, the motor soft starter of a kind of pressure-adjustable that this utility model provides, have following useful Effect:
1) motor soft starter of pressure-adjustable of the present utility model makes ECP Extended Capabilities Port planning rationally, and space utilization is rationally saved Internal resource, can make the work of whole system synchronous coordination run.
2) motor soft starter of pressure-adjustable of the present utility model can monitor the adjustable piezoelectricity of startup situation the most in real time Machine soft starter, can effectively play detection protection motor safety.
3) motor soft starter of pressure-adjustable of the present utility model includes that analog signal output interface, sample motor play stoppage in transit The size of electric current during row, uses analog current signal to be available for control centre's monitoring motor operating current, has current overload, power supply The online defencive function such as phase shortage, and wiring is simple and convenient.
Accompanying drawing explanation
Fig. 1 is the control principle drawing of the motor soft starter of this utility model embodiment.
Fig. 2 is the panel structure principle chart of the motor soft starter of this utility model embodiment.
Fig. 3 is the major loop connection figure of the motor soft starter of this utility model embodiment.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that retouched The embodiment stated is a part of embodiment of this utility model rather than whole embodiments.Generally described in the accompanying drawing herein and The assembly of this utility model embodiment illustrated can be arranged with various different configurations and design.Therefore, below to attached The detailed description of the embodiment of the present utility model provided in figure is not intended to limit claimed scope of the present utility model, But it is merely representative of selected embodiment of the present utility model.Based on the embodiment in this utility model, ordinary skill people The every other embodiment that member is obtained under not making creative work premise, broadly falls into the model of this utility model protection Enclose.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets Put ", should be interpreted broadly " installation ", " connection ", connect for example, it may be fixing, it is also possible to be to removably connect, or integratedly Connect;Can be to be mechanically connected, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, on can understanding as the case may be State term concrete meaning in this utility model.
Embodiment 1
The motor soft starter of the pressure-adjustable that this utility model provides connects three phase mains by three input copper bars, passes through Three output copper bars connect motor, are in series with silicon controlled component in the middle of three phase mains and described motor, and motor soft starter includes One panel, described panel includes processor, power conversion sync detection device, current sensing means, triggering pulses generation Device and external interface, external interface includes connecting the input/output interface of input/output unit, running status instruction interface, event Barrier instruction interface, control signal interface, analog signal output interface and power output interface.
Fig. 1 is the control principle drawing of the motor soft starter of this utility model embodiment, and motor soft starter 100 is connected to Between motor M and motor power, three phase mains input interface 102 is connected to three inputs copper bar R, T and S and is respectively turned on three-phase Alternating current L1, L2 and L3, motor power output interface 104 is connected to three outputs copper bar U, V and W and three-phase electricity is exported respectively U1, V1 and W1 end of motor, three phase mains connects the input copper bar of motor soft starter by circuit breaker Q F, defeated in circuit breaker Q F Go out to hold to be connected with any one phase power line inputted between copper bar and have the 4th D.C mutual-inductor 14, the one of the 4th D.C mutual-inductor 14 End ground connection, ground connection after the other end two ammeter A1 and A2 of series connection, found that by current detecting overload, under-voltage or power supply lack in time Equal abnormal conditions, detect and protect the safe operation of motor;Control signal interface 116 provides wink to stop, soft stop and soft three Function signal and a common port, the working power of soft starter 100 is provided by power interface 118;Running status instruction interface 106 panels connecting motor soft starters, can represent the running status of motor by external status indicator lamp, and running status indicates Interface 106 and soft signal end synchronizing relay of control signal interface 116;Indicating fault interface 108 connects motor soft starter Panel, can represent whether motor breaks down by external status indicator lamp;
Motor soft starter also includes bypassing copper bar R1, S1 and T1, and normally opened contact 112 is by bypass copper bar R1, S1 and T1 Connecting three phase mains alternating current L11, L12 and L13, panel connects bypass circuit 110 by bypass contact 103, bypass Operating circuit 110 and normally opened contact 112 constitute bypass contactor, and one end N of bypass circuit 110 connects 220V Voltage On state Working power, normally opened contact 112 is in normally open, and working power is connected to motor by soft starter, when bypass contact is normal Opening contact 112 when closing, motor working power is not joined directly together by soft starter 100 and motor;Soft start is passed through at motor After device 100 starts, bypass circuit 110 makes normally opened contact 112 close, and electric motor starting completes.
Motor soft starter connects normally opened contact 112 by bypass copper bar R1, S1 and T1, and copper bar R1, S1 and T1 are defeated in bypass Outlet is connected respectively and is connected normally opened contact after first D.C mutual-inductor the 11, second D.C mutual-inductor 12 and the 3rd D.C mutual-inductor 13 The input of 112, the outfan of normally opened contact 112 is connected respectively and is connected motor after three thermorelay KH.
Also include analog signal output interface 119, the size of electric current when sample motor plays constantly running, use the mould of 0-20mA The online defencive functions such as plan current signal, is available for control centre's monitoring motor operating current, has current overload, power phase shortage, And use upper three to enter three and go out, times three go out the line modes of wiring, make wiring simple and convenient.
Fig. 2 is the panel structure principle chart of the motor soft starter of this utility model embodiment, including: control and process The processor 201 of signal, power conversion sync detection device 202, triggering pulser 203, current detecting generator 204 and Input/output unit 205, wherein silicon controlled component 120 is connected between three phase mains and motor;
Fig. 3 is that the major loop of the panel control principle of the motor soft starter of this utility model embodiment in Fig. 2 connects Figure;
Panel 200 is connected to three phase mains by power conversion sync detection device 202, and described power conversion synchronizes inspection Survey device 202 and connect three phase mains, obtain described first D.C mutual-inductor the 11, second D.C mutual-inductor 12 and the 3rd AC mutual induction The current signal of device 13 is also transferred to processor 201;
Panel 200 connects motor by current sensing means 204, the electric current letter of acquisition controlling plate 200 output to motor Number, and collection signal is input to processor 201;
Trigger pulse generating device 204 and connect processor 201 generation triggering pulse;
Input/output unit 205 includes keyboard, button, light emitting diode and/or light-emitting diode display, input/output unit 205 Connect processor 201 and carry out input and the output display of signal;
Processor 201 receives the signal of described power conversion sync detection device 202 and described current sensing means 204 also Output display signal is to input/output unit 205, and controls the starting of motor.
This utility model simple in construction, can control voltage when starting by silicon-controlled voltage regulation, make startup voltage stabilization Intended change rises, and detects starting process by current transformer by detection input current simultaneously, can find different in time Often situation, it is ensured that the clean boot of motor.
These are only this utility model preferred embodiment, be not used to limit to this utility model, all of the present utility model Amendment, equivalent and the improvement etc. made within spirit and principle, be required to be included in protection domain of the present utility model it In.

Claims (5)

1. a motor soft starter for pressure-adjustable, connects three phase mains by three input copper bars, by three output copper bars Connecting motor, be in series with silicon controlled component between described three phase mains and described motor, motor soft starter includes a panel, Described panel includes processor, power conversion sync detection device, current sensing means, triggering pulse generating device and external Interface, it is characterised in that;
Described motor soft starter connects normally opened contact by bypass copper bar, and described bypass copper bar is connected the first AC mutual induction respectively Device, the second D.C mutual-inductor and the 3rd D.C mutual-inductor, and by described first D.C mutual-inductor, the second D.C mutual-inductor and the Three D.C mutual-inductors connect the input of normally opened contacts, the outfan of normally opened contact connect respectively after three thermorelays with motor It is connected;
Described three phase mains connects the input copper bar of motor soft starter by chopper, at chopper outfan and input copper bar Between any one phase power line connect have the 4th D.C mutual-inductor, the 4th D.C mutual-inductor one end ground connection, the 4th AC mutual induction Ground connection after the other end two ammeters of series connection of device;
Described power conversion sync detection device connects three phase mains, obtains described first D.C mutual-inductor, the second AC mutual induction Device and the current signal of the 3rd D.C mutual-inductor are also transferred to processor;
Described current sensing means connects motor, gathers motor soft starter and exports the current signal of motor, and will collect Current signal transfer to processor;
Described processor receives the current signal of described power conversion sync detection device and the transmission of described current sensing means also Output display signal is to external interface.
The motor soft starter of pressure-adjustable the most according to claim 1, it is characterised in that described external interface includes connecting The input/output interface of input/output unit, running status instruction interface, indicating fault interface, control signal interface, simulation letter One or more in number output interface and power output interface.
The motor soft starter of pressure-adjustable the most according to claim 1, it is characterised in that the bypass interface of described panel Connect bypass circuit, described normally opened contact and bypass circuit and constitute bypass contactor.
The motor soft starter of pressure-adjustable the most according to claim 1, it is characterised in that described control signal interface provides Stop in wink, soft stop and soft three function signal ends and a common port.
The motor soft starter of pressure-adjustable the most according to claim 2, it is characterised in that described input/output unit includes One or more in keyboard, button, optical diode and/or light-emitting diode display.
CN201620539053.5U 2016-06-06 2016-06-06 But motor soft starter of pressure regulating Expired - Fee Related CN205666776U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620539053.5U CN205666776U (en) 2016-06-06 2016-06-06 But motor soft starter of pressure regulating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620539053.5U CN205666776U (en) 2016-06-06 2016-06-06 But motor soft starter of pressure regulating

Publications (1)

Publication Number Publication Date
CN205666776U true CN205666776U (en) 2016-10-26

Family

ID=57156232

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620539053.5U Expired - Fee Related CN205666776U (en) 2016-06-06 2016-06-06 But motor soft starter of pressure regulating

Country Status (1)

Country Link
CN (1) CN205666776U (en)

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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: 20161026

Termination date: 20180606

CF01 Termination of patent right due to non-payment of annual fee