CN2279033Y - Single-phase motor by applying dc to brake - Google Patents

Single-phase motor by applying dc to brake Download PDF

Info

Publication number
CN2279033Y
CN2279033Y CN 96223623 CN96223623U CN2279033Y CN 2279033 Y CN2279033 Y CN 2279033Y CN 96223623 CN96223623 CN 96223623 CN 96223623 U CN96223623 U CN 96223623U CN 2279033 Y CN2279033 Y CN 2279033Y
Authority
CN
China
Prior art keywords
motor
control device
diode
scr
circuit
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
CN 96223623
Other languages
Chinese (zh)
Inventor
胡晓宁
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN 96223623 priority Critical patent/CN2279033Y/en
Application granted granted Critical
Publication of CN2279033Y publication Critical patent/CN2279033Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The utility model relates to an energy-consumption brake single-phase motor which utilizes a thyristor to control. A control device is arranged in a junction box of the motor. When the motor stops, the control device works, and provides the direct current for the motor, and the motor is braked. When the rotation speed of the motor is zero, the power supply of the motor is cut off. The control device is composed of a thyristor half-wave rectifying circuit, an RC time-delay triggering circuit and a triggering circuit power supply which is controlled by the switch of the motor. The utility model has the advantages of simple structure, low cost, contactless control, and integration of the motor and the control device.

Description

The dynamic braking single-phase motor
The utility model is about the dynamic braking motor, refers to a kind of incorporate dynamic braking single-phase motor of SCR control, control device and motor that utilizes especially.
Many plant equipment, household electrical appliance, all requirement can be shut down rapidly and accurately be located, and this will brake motor, force its hard stop, and often the electrical braking modes of using is dynamic braking.Typical prior art is: form control circuit with time relay, braking contactor and bridge rectifier element.This mode control device separates with motor, and the user also will mix control device after purchasing motor.This control device volume is big, cost is high, install to be contactor control, thereby failure rate height, poor reliability, many special occasions are difficult to adapt to requirement.
The purpose of this utility model then is the problem at above-mentioned existence, and a kind of thyristor controlled motor and incorporate dynamic braking single-phase motor of control device of utilizing is provided.
The purpose of this utility model can reach by following measure:
A kind of dynamic braking single-phase motor is characterized in that a control device module 2 is installed in the terminal box 1 of motor, in the control device: controllable silicon SCR 1With rectifier diode D 4, D 5The half-wave rectifying circuit of forming is paid winding with the master of motor respectively and is connected; Controllable silicon SCR 1Trigger electrode G and capacitor C 2, resistance R 2The RC delay trigger circuit of forming connects, B point connecting resistance R in the circuit 3, the C point meets diode D 3Negative pole, R 3, D 3Form capacitor C 2Discharge loop; The power supply of circuits for triggering is by diode D 1, resistance R 1, diode D 2Be composed in series, be attempted by electric power switch K 1Two ends.
Advantage of the present utility model:
The utility model is simple in structure, low price, and contactless control, motor and control device are integrated.
Fig. 1 is the structural representation of dynamic braking single-phase motor of the present utility model.
Fig. 2 is the circuit theory diagrams of dynamic braking single-phase motor of the present utility model.
Below in conjunction with accompanying drawing the utility model is further described:
As shown in Figure 2, the master of motor pay winding respectively with diode D 4, D 5Anodal connection, D 4, D 5Negative pole is with being connected to single-phase silicon-controlled SCR 1Anode A, SCR 1Negative electrode K connects power supply.Controllable silicon SCR like this 1Diode D 4, D 5Form and be subjected to thyristor controlled DC power supply.
In the circuit, resistance R 2, capacitor C 2Form delay trigger circuit, with the control controllable silicon SCR 1Operating state.
In the circuit, resistance R 3, diode D 3Form capacitor C 2Discharge loop.
In the circuit, diode D 1, resistance R 1, diode D 2Form rectification circuit, the circuits for triggering power supply is provided.
The course of work of circuit is as follows: connect motor switch K 1, the MN point is by K switch 1Short circuit, circuits for triggering do not have voltage, do not work controllable silicon SCR 1End, at this moment capacitor C 2Pass through R 3, D 3Discharge.On the other hand, connect motor switch K 1Electrical power, the motor normal rotation.
When shutting down, cut-off switch K 1, cut off the motor AC power, at this moment D 1, R 1, D 2The rectification circuit of forming is by main winding and power connection, capacitor C 2Pass through R 2Press the index law charging, because the capacitor terminal voltage can not be suddenlyd change, the C point is a high potential, and controllable silicon SCR is provided 1Triggering signal, controllable silicon SCR 1Conducting, the motor master pays winding through D 4, D 5, SCR 1With power connection, motor is braked by direct current.
After time-delay, motor speed is zero, capacitor C 2Charging finishes, and circuits for triggering provide the controllable silicon electronegative potential, and controllable silicon ends, and cuts off the motor DC power supply.

Claims (2)

1. a dynamic braking single-phase motor is characterized in that a control device module (2) is installed in the terminal box (1) at motor, in the control device: controllable silicon SCR 1With rectifier diode D 4, D 5The half-wave rectifying circuit of forming is paid winding with the master of motor respectively and is connected; Controllable silicon SCR 1Trigger electrode G and capacitor C 2, resistance R 2The RC delay trigger circuit of forming connects, B point connecting resistance R in the circuit 3, the C point meets diode D 3Negative pole, R 3, D 3Form capacitor C 2Discharge loop; The power supply of circuits for triggering is by diode D 1, resistance R 1, diode D 2Be composed in series, be attempted by electric power switch K 1Two ends.
2. dynamic braking single-phase motor according to claim 1, the master who it is characterized in that motor pay winding respectively with diode D 4, D 5Anodal connection, D 4, D 5Negative pole is with being connected to single-phase silicon-controlled SCR 1Anode A, SCR 1Negative electrode K connects power supply.
CN 96223623 1996-09-09 1996-09-09 Single-phase motor by applying dc to brake Expired - Fee Related CN2279033Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 96223623 CN2279033Y (en) 1996-09-09 1996-09-09 Single-phase motor by applying dc to brake

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 96223623 CN2279033Y (en) 1996-09-09 1996-09-09 Single-phase motor by applying dc to brake

Publications (1)

Publication Number Publication Date
CN2279033Y true CN2279033Y (en) 1998-04-15

Family

ID=33902792

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 96223623 Expired - Fee Related CN2279033Y (en) 1996-09-09 1996-09-09 Single-phase motor by applying dc to brake

Country Status (1)

Country Link
CN (1) CN2279033Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101277093B (en) * 2007-03-26 2010-10-13 三洋电机株式会社 Motor drive integrated circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101277093B (en) * 2007-03-26 2010-10-13 三洋电机株式会社 Motor drive integrated circuit
TWI405399B (en) * 2007-03-26 2013-08-11 Sanyo Electric Co Motor driving integrated circuit

Similar Documents

Publication Publication Date Title
CN2279033Y (en) Single-phase motor by applying dc to brake
CN2472386Y (en) Energy saving motor protector
CN107068506A (en) The anti-power transmission automatic disconnecting device of power distribution network low pressure
CN2171620Y (en) Dissipation braking device for dewtering motor of household washing machine
CN2879200Y (en) Anti-theft leakage-proof device for electricity meter
CN2036726U (en) Single-phase ac motor starter
CN2144362Y (en) Integrated protector for ac motor
CN2195826Y (en) Contactless automatic star/delta starter
CN2289265Y (en) Water level inductive controller
CN2230064Y (en) Energy-saving control device for ac asynchronous motor
CN2398713Y (en) A. C.-D. C. two-purpose D. C. electromagnet controller
CN2834013Y (en) Oil extractor motor control cabinet
CN2152334Y (en) Double loop motor protector
CN209525702U (en) The dedicated buckle releaser circuit of pre-paying kilowatt-hour meter
CN2387648Y (en) Phase loss protector for three-phase power source
CN2241938Y (en) Automatic protecting electricity economizer for three phase electric motor
CN2313320Y (en) Electronic over-current protector
CN204905843U (en) Motor protector circuit
CN2153165Y (en) Multifunctional electicity-saving protector for motor
CN2310412Y (en) Phase loss protector for three-phase asynchronous motor
CN2381053Y (en) Three-phase ac. protective relay device
CN2117662U (en) Energy saving protector of motor
CN2195149Y (en) Solid phase failure protector
CN2164605Y (en) Phase-loose protector
CN2469599Y (en) Multipurpose protector for low-voltage distribution system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee