CN201282428Y

CN201282428Y - Control device for electrically-operated mechanism

Info

Publication number: CN201282428Y
Application number: CNU2008201601496U
Authority: CN
Inventors: 褚文; 唐伟; 张志刚
Original assignee: Changshu Switchgear Manufacturing Co Ltd
Current assignee: Changshu Switchgear Manufacturing Co Ltd
Priority date: 2008-09-27
Filing date: 2008-09-27
Publication date: 2009-07-29
Anticipated expiration: 2018-09-27

Abstract

The utility model provides a control device for an electric actuating mechanism, which is characterized in that a power supply phase line is connected with one terminal of a first button, one terminal of a second button, the contact point 3 and the contact point 6 of a first relay and the contact point 3 and the contact point 6 of a second relay; the other terminal of the first button is connected with one terminal of a first relay coil and the contact point 4 of the first relay; the other terminal of the second button is connected with one terminal of a second relay coil and the contact point 4 of the second relay; a power supply zero line is connected with the 1 terminal of a travel switch and the 2 terminal of a transformer; the 3 terminal of the travel switch is connected with the other terminal of the first relay coil; the 2 terminal of the travel switch is connected with the other terminal of the second relay coil; the contact point 1 of the first relay and the contact point 1 of the second relay are connected with the 1 terminal of the transformer; the 3 terminal and the 4 terminal of the transformer are connected with the 1 terminal and the 2 terminal of bridge rectifiers; the 3 terminal of the bridge rectifiers is connected with the collector electrode of a triode and one terminal of a resistance; the other terminal of the resistance is connected with the base electrode of the triode and the cathode of the voltage stabilizing tube; the emitting electrode of the triode and one terminal of a motor are connected to a direct current source; and the 4 terminal of the bridge rectifiers, the anode of the diode and the other terminal of the motor are earthed. The power is switched on only during operation, and switched off as soon as the operation is finished. Therefore, the device has the advantages of simple circuit, low cost, high reliability, low electromagnetic interference and low power consumption.

Description

Control apparatus for electrically-operated mechanism

Technical field

The utility model relates to a kind of control apparatus for electrically-operated mechanism, realizes converting the ac high voltage that obtains on the line to DC low-voltage, thus the running of drive motors.

Background technology

Motor-operating mechanism is that a kind of application is installed very widely in the low-voltage distribution system.What the control device of motor-operating mechanism mainly used at present is switching power circuit.

A kind of motor-operating mechanism switch power controller is disclosed among the Chinese patent literature CN 2699452Y (authorizing day is on May 11st, 2005), it is characterized in that comprising current rectifying and wave filtering circuit, one termination civil power, the other end is connected with chip U1 rectifier filter circuit, chip U1 is connected with high-frequency rectification circuit with sampling feedback circuit, rectifier filter circuit and sampling feedback circuit, button AN1, AN2 is connected with the relay J contact, button AN1, AN2 and travel switch K3, the controllable silicon turning circuit connects, the controllable silicon turning circuit is connected with travel switch K2, travel switch K2 is connected with manual change over switch K1, manual change over switch K1 is connected with the relay J coil, and the relay J contact is connected with motor D.

This kind motor-operating mechanism is in the standby "on" position for a long time with switch power controller, exists shortcomings such as circuit complexity, cost height, electromagnetic interference and power consumption are bigger.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of only ability energized when commence operation is provided, outage immediately after the release, circuit is simple, with low cost, reliability height, the control apparatus for electrically-operated mechanism that electromagnetic interference is little, power consumption is little.

The purpose of this utility model is finished like this, a kind of control apparatus for electrically-operated mechanism, it is characterized in that: it comprises the first button AN1, the second button AN2, the first relay K A1, the second relay K A2, travel switch K1, transformer T1, bridge heap B1, triode Q1, voltage-stabiliser tube D1 and resistance R 1, the power supply phase line L and the first button AN1, the end of the second button AN2, the first relay K A1 contact 3, the contact 6 and the second relay K A2 contact 3, contact 6 connects, the other end of the first button AN1 is connected with an end of the first relay K A1 coil and the contact 4 of the first relay K A1, the other end of the second button AN2 is connected with an end of the second relay K A2 coil and the contact 4 of the second relay K A2, zero-power line is connected with 1 end of travel switch K1 and 2 ends of transformer T1,3 ends of travel switch K1 are connected with the other end of the first relay coil KA1,2 ends of travel switch K1 are connected with the other end of the second relay K A2 coil, the contact 1 of the first relay K A1 is connected with 1 end of transformer T1 with the contact 1 of the second relay K A2,3 ends of transformer T1 are connected with 2 ends with 1 end of bridge heap B1 respectively with 4 ends, 3 ends of bridge heap B1 are connected with the collector electrode of triode Q1 and an end of resistance R 1, the other end of resistance R 1 is connected with the base stage of triode Q1 and the negative electrode of voltage-stabiliser tube D1, one termination DC power supply VCC of the emitter of triode Q1 and motor D, 4 ends of bridge heap B1, the other end ground connection of the anode of diode D1 and motor D.

The no-load voltage ratio of transformer T1 described in the utility model is 8: 1.

After the utility model is operated by the first button AN1, the second button AN2 working power of input is carried out converting ac high voltage to DC low-voltage again after the logical transition, thus the drive motors running.The control apparatus for electrically-operated mechanism formed of circuit thus, energized just when operating only, outage immediately after the release; And it is simple, with low cost to have demonstrated fully circuit of the present utility model, reliability height, advantage such as electromagnetic interference is little, power consumption is little.

Description of drawings

Accompanying drawing is the schematic diagram of a kind of control apparatus for electrically-operated mechanism of the utility model.

Concrete enforcement

By the description of applicant, will help to understand the utility model more, and good effect of the present utility model is embodied more, but embodiment should not be considered as the restriction to some extent to the utility model scheme embodiment.

See also accompanying drawing circuit theory diagrams of the present utility model.Control apparatus for electrically-operated mechanism, this control device convert ac high voltage to DC low-voltage after working power is changed again, and last drive motors carries out work.Adopt the travel switch K1 and the first button AN1 and the second button AN2 to carry out the method that the logic determines rear drive first relay K A1 and the second relay K A2 switch and carry out logical transition.Carry out step-down through single-phase transformer T1, again after bridge heap B1 rectification, after obtain the driving power drive motors running of needs behind the voltage stabilizing circuit that resistance R 1, voltage-stabiliser tube D1 and triode Q1 form.

The utility model operating process is as follows: when travel switch K1 contact 1 and contact 3 conductings, have only the first button AN1 that effect is arranged, press the first button AN1 this moment, the first relay K A1 gets electric and adhesive, the first relay K A1 contact 4, the contact 6 and the first relay K A1 contact 1, contact 3 conductings, decontrol the first button AN1, because locking is formed in the first relay K A1 contact 4 and contact 6, the first relay K A1 continues adhesive, transformer T1 gets electric carrying out and sends into bridge heap B1 rectification after the step-down, the drives triode Q1 conducting of forming through current-limiting resistance R1 and voltage-stabiliser tube D1 again, motor D starts, when motor D runs to travel switch K1 contact 1, when contact 3 disconnects, the first relay K A1 dead electricity, the first relay K A1 contact 4, contact 6 and contact 1, contact 3 disconnects, and motor D is stopped.

When travel switch K1 contact 1 and contact 2 conductings, have only the second button AN2 that effect is arranged, press the second button AN2 this moment, the second relay K A2 gets electric and adhesive, the second relay K A2 contact 4, contact 6 and contact 1, contact 3 conductings, decontrol the second button AN2, because locking is formed in the second relay K A2 contact 4 and contact 6, the second relay K A2 continues adhesive, transformer T1 gets electric carrying out and sends into bridge heap B1 rectification after the step-down, the drives triode Q1 conducting of forming through current-limiting resistance R1 and voltage-stabiliser tube D1 again, motor D starts, when motor D runs to travel switch K1 contact 1 and contact 2 disconnections, and the second relay K A2 dead electricity, the second relay K A2 contact 4, contact 6 and contact 1, contact 3 disconnects, and motor D is stopped.

The utility model is because the control device that has adopted foregoing circuit to form, only ability when operating Plugged, immediately outage after the release; Circuit is simple, with low cost, and reliability height, electromagnetism are done Disturb the advantages such as little, that power consumption is little.

Claims

1, a kind of control apparatus for electrically-operated mechanism, it is characterized in that it comprises first button (AN1), second button (AN2), first relay (KA1), second relay (KA2), travel switch (K1), transformer (T1), bridge heap (B1), triode (Q1), voltage-stabiliser tube (D1) and resistance (R1), power supply phase line (L) and first button (AN1), one end of second button (AN2), first relay (KA1) contact 3, contact 6 and second relay (KA2) contact 3, contact 6 connects, the other end of first button (AN1) is connected with an end of first relay (KA1) coil and the contact 4 of first relay (KA1), the other end of second button (AN2) is connected with an end of second relay (KA2) coil and the contact 4 of second relay (KA2), zero-power line is connected with 1 end of travel switch (K1) and 2 ends of transformer (T1), 3 ends of travel switch (K1) are connected with the other end of first relay coil (KA1), 2 ends of travel switch (K1) are connected with the other end of second relay (KA2) coil, the contact 1 of the contact 1 of first relay (KA1) and second relay (KA2) is connected with 1 end of transformer (T1), 3 ends of transformer (T1) are connected with 2 ends with 1 end of bridge heap (B1) respectively with 4 ends, 3 ends of bridge heap (B1) are connected with the collector electrode of triode (Q1) and an end of resistance (R1), the other end of resistance (R1) is connected with the base stage of triode (Q1) and the negative electrode of voltage-stabiliser tube (D1), one termination DC power supply (VCC) of the emitter of triode (Q1) and motor (D), 4 ends of bridge heap (B1), the other end ground connection of the anode of diode (D1) and motor (D).

2, control apparatus for electrically-operated mechanism according to claim 1, the no-load voltage ratio that it is characterized in that described transformer (T1) is 8: 1.