CN2416525Y - Electronic voltage regulator for torque electric machine - Google Patents

Electronic voltage regulator for torque electric machine Download PDF

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Publication number
CN2416525Y
CN2416525Y CN 00210732 CN00210732U CN2416525Y CN 2416525 Y CN2416525 Y CN 2416525Y CN 00210732 CN00210732 CN 00210732 CN 00210732 U CN00210732 U CN 00210732U CN 2416525 Y CN2416525 Y CN 2416525Y
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China
Prior art keywords
resistance
bidirectional thyristor
capacitor
bidirectional
voltage regulator
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Expired - Fee Related
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CN 00210732
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Chinese (zh)
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张凌飞
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Individual
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Individual
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Abstract

The utility model relates to an electronic voltage regulator for a torque motor, which comprises a voltage regulator casing, a circuit board, and a voltage regulating control circuit. The utility model is characterized in that the voltage regulating control circuit comprises three main control circuits which presents a Y shape for wiring, and a Y point is connected with a neutral wire N; the main control circuits which form secondary phase shifting network by resistors R1, R2, capacitors C1, C2, and a bidirectional trigger diode DB1 are connected to the positive electrode, the trigger electrode, and the negative electrode of a bidirectional thyristor BCR1; R which is connected in series with C is connected between the positive electrode and the negative electrode of the bidirectional thyristor BCR1 in a bridge connection mode after connected in parallel with Rv, forming an overvoltage protection circuit. The electrical apparatus elements are arranged on the circuit board which is fixed in the casing. The utility model has the advantages of loading short circuit resistance, high reliability, and wide range of regulation.

Description

The torque motor electronic pressure controller
The utility model belongs to the technological improvement of three-phase torque motor electronic pressure controller.
At present, three-phase regulator has two types, first three-phase contact automatic coupling voltage regulator, and it two is three-phase electronic pressure regulators.The big thing of the former body is heavy.The latter adopts the bidirectional thyristor phase control, though overcome the heavy shortcoming of the big thing of body, but still exists range of regulation wide inadequately, and the pressure regulation linearity is bad, poor synchronization, three alternate mutual interference, vibration, and circuit is than problems such as complexity.In case particularly short circuit, its main performer--bidirectional thyristor damages immediately, is its unsurmountable shortcoming.In addition, in order to enlarge the low pressure end range of regulation, and adopted three above high-power resistances of 30W to be connected into the bifurcation type, the bifurcation point meets N.This measure can be started to control after also range of regulation can only being expanded to 60 °, and high-power resistance heating power consumption, causes the waste on the energy.
The purpose of this utility model provides that a kind of range of regulation is wide, reliability is high, and energy-conservation torque motor electronic pressure controller.
The purpose of this utility model realizes by following technical proposals, that is:
The torque motor electronic pressure controller comprises pressure regulator housing, circuit board and voltage regulator control circuit.Voltage regulator control circuit is by in motor three-phase winding L A, L B, L CConnecting respectively is connected into the bifurcation type behind the governor circuit, and bifurcation point is connected to form with neutral line N.Governor circuit comprises voltage regulator control circuit and overvoltage crowbar.Voltage regulator control circuit is by resistance R 1And R 2, potentiometer W A, capacitor C 1, C 2With bidirectional trigger diode DB 1Form the two-stage phase shift network.Resistance R 1, potentiometer W A, resistance R 2Series connection back and bidirectional trigger diode DB 1Connect DB 1Another termination bidirectional thyristor BCR 1Trigger electrode, C 1A termination R 2With DB 1P on the line 1Point, C 1Another termination BCR 1Negative electrode, C 2A termination W AWith R 2P on the line 2Point, C 2Another termination BCR 1Negative electrode.Resistance R is connected with capacitor C afterwards and resistance R VBack cross-over connection in parallel is in bidirectional thyristor BCR 1Anode and negative electrode between.Above-mentioned electric elements are arranged on the circuit board, and circuit board is fixed in the pressure regulator housing.
Another kind of embodiment of the present utility model is:
The torque motor electronic pressure controller comprises pressure regulator housing, circuit board and voltage regulator control circuit.Voltage regulator control circuit is the governor circuit of connecting with three-phase alternating-current supply by respectively, and three governor circuits connect motor load more respectively, by resistance R 1, potentiometer W A, capacitor C 2And resistance R 2, capacitor C 1, bidirectional trigger diode DB 1Form the two-stage phase shift network, be connected to bidirectional thyristor BCR 1The rear end of anode, trigger electrode and perceptual decoupling device L, constitute control loop.R, C series connection constitute to absorb circuit again with R VFormation overvoltage protection in parallel loop, cross-over connection is in BCR 1Anode and the rear end of L.The output terminal of A, B, C three-phase major loop is connecting resistance R respectively A, R B, R C, and be connected into the bifurcation type, the bifurcation point N that connects to neutral.
The utlity model has following advantage:
1, anti-load short circuits, the reliability height;
2, because of leather removes high-power resistance, heating alleviates, energy savings;
3, enlarged range of regulation, the pressure regulating performance when having improved little conduction angle.
The characteristics of embodiment two are:
1, because of in the thyristor loop, having met perceptual decoupling device L,, three alternate interactions lack and being reduced to;
Pressure regulating performance when 2, having improved little conduction angle has enlarged range of regulation;
3, high-power resistance reduces to below the 25W, and heating alleviates to some extent.
Fig. 1 is the structural representation of a kind of embodiment of the present utility model, and Fig. 2 is the upward view of Fig. 1, and Fig. 3 is the voltage regulator control circuit schematic diagram, and Fig. 4 is the voltage regulator control circuit schematic diagram of second kind of embodiment.The utility model is described in further detail below in conjunction with the embodiment accompanying drawing.
Embodiment one:
The torque motor electronic pressure controller comprises pressure regulator housing 1, circuit board 2 and voltage regulator control circuit.Voltage regulator control circuit is the three-phase winding L of three-phase alternating-current supply through motor A, L B, L CAfter be connected into the bifurcation type respectively with after three governor circuits are connected in series, bifurcation point and neutral line N are connected to form.Governor circuit is by resistance R 1, resistance R 2, potentiometer W A, capacitor C 1, capacitor C 2With bidirectional trigger diode DB 1Form the secondary phase shift network.Resistance R 1, potentiometer W A, resistance R 2Series connection back and bidirectional trigger diode DB 1Connect DB 1Another termination bidirectional thyristor BCR 1Trigger electrode, R 1Meet bidirectional thyristor BCR 1Anode.Capacitor C 1One terminating resistor R 2With bidirectional trigger diode DB 1P on the line 1Point, C 1Another termination bidirectional thyristor BCR 1Negative electrode, C 2A termination potentiometer W AWith resistance R 2P on the line 2Point, C 2Another termination bidirectional thyristor BCR 1Negative electrode.Resistance R and capacitor C are composed in series the absorption circuit, and resistance R is connected with capacitor C afterwards and resistance R VBack cross-over connection in parallel is in bidirectional thyristor BCR 1Anode and negative electrode between, constitute overvoltage crowbar.Potentiometer W ABe arranged on the pressure regulator housing 1, all the other electric elements are arranged on the circuit board 2, and circuit board 2 is fixed in the pressure regulator housing 1.
Embodiment two:
The torque motor electronic pressure controller comprises pressure regulator housing 1, circuit board 2 and voltage regulator control circuit.Voltage regulator control circuit is to be made up of three governor circuits that are connected with the load of motor 3 respectively.Governor circuit is by resistance R 1, resistance R 2, potentiometer W A, capacitor C 1, C 2, bidirectional thyristor BCR 1, perceptual decoupling device L and bidirectional trigger diode DB 1Form.Itself and embodiment one difference are bidirectional thyristor BCR 1The major loop of connecting and constituting with perceptual decoupling device L connects motor load again.By resistance R 1, R 2, potentiometer W A, capacitor C 1, C 2With bidirectional trigger diode DB 1Form the two-stage phase shift network, be connected to bidirectional thyristor BCR 1The rear end of anode, trigger electrode and perceptual decoupling device L, constitute control loop, resistance R, capacitor C series connection back and resistance R vFormation overvoltage crowbar in parallel, cross-over connection is in BCR 1Anode and the rear end of perceptual decoupling device L.At the output terminal of A, B, C three-phase major loop connecting resistance RA, RB, RC respectively, and be connected into the bifurcation type, the bifurcation point N that connects to neutral.Potentiometer W ABe arranged on the pressure regulator housing 1, other electric elements are arranged on the circuit board 2, and circuit board 2 is fixed in the pressure regulator housing l.

Claims (2)

1, torque motor electronic pressure controller comprises pressure regulator housing (1), circuit board (2) and voltage regulator control circuit, it is characterized in that described voltage regulator control circuit, is the three-phase winding L of three-phase alternating-current supply through motor A, L B, L CBe connected into the bifurcation type respectively with after three governor circuits are connected in series, the bifurcation point composition that is connected with neutral line N; Governor circuit is by resistance R 1, resistance R 2, potentiometer W A, capacitor C 1, capacitor C 2With bidirectional trigger diode DB 1Form the secondary phase shift network, resistance R 1, potentiometer W A, resistance R 2Series connection back and bidirectional trigger diode DB 1Connect DB 1Another termination bidirectional thyristor BCR 1Trigger electrode, R 1Meet bidirectional thyristor BCR 1Anode, capacitor C 1One terminating resistor R 2With bidirectional trigger diode DB 1P on the line 1Point, C 1Another termination bidirectional thyristor BCR 1Negative electrode, C 2A termination potentiometer W AWith resistance R 2P on the line 2Point, C 2Another termination bidirectional thyristor BCR 1Negative electrode, resistance R and capacitor C are composed in series the absorption circuit, resistance R connect with capacitor C the back and resistance R VBack cross-over connection in parallel is in bidirectional thyristor BCR 1Anode and negative electrode between, constitute overvoltage crowbar, potentiometer W ABe arranged on the pressure regulator housing (1), all the other electric elements are arranged on the circuit board (2), and circuit board (2) is fixed in the pressure regulator housing (1).
2, torque motor electronic pressure controller according to claim 1 is characterized in that described bidirectional thyristor BCR 1With the load that connects motor (3) after perceptual decoupling device L connects, the output terminal of described A, B, C three-phase major loop is connecting resistance R respectively A, R B, R C, and be connected into the bifurcation type, the bifurcation point N that connects to neutral.
CN 00210732 2000-01-31 2000-01-31 Electronic voltage regulator for torque electric machine Expired - Fee Related CN2416525Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 00210732 CN2416525Y (en) 2000-01-31 2000-01-31 Electronic voltage regulator for torque electric machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 00210732 CN2416525Y (en) 2000-01-31 2000-01-31 Electronic voltage regulator for torque electric machine

Publications (1)

Publication Number Publication Date
CN2416525Y true CN2416525Y (en) 2001-01-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 00210732 Expired - Fee Related CN2416525Y (en) 2000-01-31 2000-01-31 Electronic voltage regulator for torque electric machine

Country Status (1)

Country Link
CN (1) CN2416525Y (en)

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