CN2179664Y - Analogue automobile generator voltage regulator - Google Patents
Analogue automobile generator voltage regulator Download PDFInfo
- Publication number
- CN2179664Y CN2179664Y CN 93246850 CN93246850U CN2179664Y CN 2179664 Y CN2179664 Y CN 2179664Y CN 93246850 CN93246850 CN 93246850 CN 93246850 U CN93246850 U CN 93246850U CN 2179664 Y CN2179664 Y CN 2179664Y
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- voltage
- output
- controlled oscillator
- frequency transformer
- resistance
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Abstract
The utility model relates to an analogue automobile generator voltage regulator. The purpose is that the analogue automobile generator voltage regulator is designed to stabilize generating capacity and improve voltage quality. The utility model is composed of a power supply voltage detection device, a controlled oscillator, a driver, a switch transistor T, a high-frequency transformer B, a capacitor C, and a residual magnetism detection circuit. The controlled oscillator is controlled by the residual magnetism detection circuit and the power supply voltage detection device. The fixed broad pulse is output. The high-frequency transformer is connected by the mode of the inverse-excitation type switch power supply. When the switch transistor T is switched on, the high-frequency transformer B is magnetized. When the switch transistor T is cut off, the magnetism can charge for the capacitor C and store energy. The end voltage V< M > of the capacitor C is sent to a generator excitation winding.
Description
The utility model relates to a kind of control device of generator, relates to a kind of voltage regulator of automobile current generator or rather.
Automobile current generator is supplied with automobile each several part electricity consumption by motor driven and to the storage battery charging, constantly changes the energy output of generator according to the situation needs of automobile electrical and charging, keeps the constant magnitude of voltage of output with the Control of Automobile power-supply system.The control of generator power output is to finish by the exciting current that control excitation intensity is promptly controlled the excitation rotor coil, and adjuster is exactly a kind of by detecting the control device that vehicle power supply voltage changes exciting current.
Automobile current generator voltage regulator commonly used, its voltage-regulation pattern is pressed the switching mode design, comprise mechanical type and electronic type two major types, the mechanical type voltage regulator is made of relay and the relay contact that is connected in series with excitation winding, the variation of supply voltage drives this relay to voltage-sensitive, its contact is controlled the break-make of exciting current again, and then changes the size of exciting current mean value, reaches the constant purpose of control supply voltage.
Electronic voltage regulator is made up of the voltage detecting circuit of high-power switching transistor that is connected in series with excitation winding and control switch pipe break-make, and its operation principle and mechanical governor are identical, but performance is better than the former.
Above-mentioned voltage regulator with switch mode operation, maximum shortcoming is the electric weight instability that causes generator to send, the not high and engine jitter problem when causing idling of quality of voltage.
The purpose of this utility model is a kind of analogue type automobile current generator voltage regulator of design, fundamentally changes traditional technology with the switching mode regulation voltage, and providing aanalogvoltage by voltage detecting circuit control to magnet exciting coil is exciting voltage V
M, the purpose of generator power output is controlled in realization with the size of this voltage.
This analogue type automobile current generator voltage regulator adopts switch power technology to produce exciting voltage V
M, make V
MCan constantly carry out feedback regulation with the minor variations of supply voltage, thus the control energy output, stabilized supply voltage.
Analogue type automobile current generator voltage regulator of the present utility model, its power supply termination vehicle power supply voltage end, termination automobile power source ground, ground, exciting voltage V
MTermination generator excitation winding one end, it is characterized in that: described adjuster is by power voltage detecter, controlled oscillator, driver, switching transistor, high frequency transformer, remanent magnetism testing circuit and capacitor are formed, power voltage detecter output and the output of remanent magnetism testing circuit are attempted by the control end of controlled oscillator, the controlled oscillator output connects driver input end, driver output end connects the switching transistor base stage, the switching transistor grounded emitter, the switching transistor collector electrode is connected with elementary winding one end of high frequency transformer, another termination supply voltage of elementary winding, high frequency transformer secondary winding one end output exciting voltage V
MAnd the connection capacitor anode, capacitor anode ground connection, another termination remanent magnetism testing circuit input of secondary winding.
The high frequency transformer of this adjuster is connected into the inverse-excitation type switch power-supply circuit pattern, but has increased remanent magnetism testing circuit and controlled oscillator, and controlled oscillator produces the Fixed width pulse and high frequency transformer magnetized all reach maximum at every turn, to adapt at different V
MCan both export maximum exciting power under the condition, improve V
MStrain rate, and the inverse-excitation type switch power-supply in the conventional art is to adopt the pwm pulse width modulator, is the exciting voltage V that is unsuitable for being used as to changing
MControl, thereby the employing of remanent magnetism testing circuit and controlled oscillator avoided high frequency transformer at V effectively
MChange the saturated danger of burning switching tube that brings of magnetic core down.
Describe the utility model in detail below in conjunction with the embodiment accompanying drawing
Fig. 1. analogue type automobile current generator voltage regulator frame principle figure
Fig. 2. the enforcement circuit diagram of square frame principle shown in Figure 1
Referring to Fig. 1. 1 is voltage detection circuit among the figure, and EC is the vehicle power supply voltage of automobile current generator M output, and voltage detection circuit is only finished the overvoltage controlled function to EC.2 is controlled oscillator, and controlled oscillator 2 is subjected to the dual control of remanent magnetism testing circuit 3 and voltage detection circuit 1, the pulse signal of output Fixed width.3 is driver, and 4 is switching transistor T, and 5 is high frequency transformer B, and 6 is capacitor C, the anodal output of capacitor C exciting voltage V
MThe excitation winding L of sending and receiving motor M.During crystal switch pipe T conducting high frequency transformer is magnetized the output state no change of remanent magnetism testing circuit; When crystal switch pipe T ended, magnetic energy was closed controlled oscillator to the capacitor C charging and by the variation of remanent magnetism testing circuit output state among the high frequency transformer B, discharged until magnetic energy to finish.
Referring to Fig. 2, inverter U1 is a driver 3, and transistor T is a switching transistor 4, high frequency transformer B(5) be connected into the inverse-excitation type switch power-supply voltage mode.
Controlled oscillator 2 connects multivibrator by inverter U4 and constitutes, and inverter U2, R7, C1 and NAND gate U3 are connected into the standard multivibrator, and the pulse duration that adjustment R7, C1 can adjust output is magnetizing the time of high frequency transformer B.
Linear amplifier U5 and bleeder circuit constitute voltage detection circuit 1, the dividing point of resistance R 1 serial connection R2 bleeder circuit connects the negative terminal of U5, the dividing point of the bleeder circuit of resistance R 3 serial connection voltage-stabiliser tube DW connects the anode of U5, when EC voltage surpasses a certain limit value, the U5 output state changes, and transfers " 0 " to by " 1 " and closes controlled oscillator 2.
Diode D1, resistance R 6, R5, R4, linear amplifier U6 constitute remanent magnetism testing circuit 7.
Between the C1 of oscillator, R7 charge period, the T1 conducting, electric current magnetizes through the ce of the elementary winding of B and the T1 high frequency transformer B that becomes a partner, and this moment, diode D1 negative terminal was a high potential, and D1 ends, and the output state of U6 is a high potential.
When T1 ended, the D1 negative terminal voltage reduced, the D1 conducting, and magnetic energy charges to capacitor C among the high frequency transformer B, V
MVoltage raises, and the output state of U6 became electronegative potential and closed controlled oscillator this moment, and magnetic energy discharges to finish and opens controlled oscillator by the variation of remanent magnetism testing circuit output state again in B, repeats said process again.So V
MMagnitude of voltage is an analog quantity of fluctuation within the specific limits, rather than by the switching tube conducting, by and the average magnitude that obtains.
The utility model has changed automobile current generator is made voltage-regulation with switching mode traditional mode, the electric weight that generator is sent is stable, quality of voltage improves, can prolong the storage battery life-span, guarantee the safe handling of electrical equipment, generator is improved greatly, the jitter problem of engine and the stability of vehicle lamplight brightness when improving low speed when eliminating idling to the resistance stability of engine.
Claims (4)
1, a kind of analogue type automobile current generator voltage regulator; Its power supply termination vehicle power supply voltage end, termination automobile power source ground, ground, exciting voltage V
MTermination generator excitation winding one end, it is characterized in that: described adjuster is by power voltage detecter, controlled oscillator, driver, switching transistor, high frequency transformer, remanent magnetism testing circuit and capacitor are formed, power voltage detecter output and the output of remanent magnetism testing circuit are attempted by the control end of controlled oscillator, the controlled oscillator output connects driver input end, driver output end connects the switching transistor base stage, the switching transistor grounded emitter, the switching transistor collector electrode is connected with elementary winding one end of high frequency transformer, another termination supply voltage of elementary winding, high frequency transformer secondary winding one end output exciting voltage V
MAnd the connection capacitor anode, capacitor anode ground connection, another termination remanent magnetism testing circuit input of secondary winding.
2, analogue type automobile current generator voltage regulator according to claim 1 is characterized in that described controlled oscillator connects multivibrator by inverter and constitutes.
3, analogue type automobile current generator voltage regulator according to claim 1, it is characterized in that described remanent magnetism testing circuit comprises the diode D1 of plus earth, the resistance R 6 that is connected with described diode D1 negative pole, resistance R 5 that is connected with resistance R 6 and linear amplifier U6, the resistance R 4 that is connected with linear amplifier U6 output, resistance R 4, another termination supply voltage of R5, the negativing ending grounding of linear amplifier U6.
4, analogue type automobile current generator voltage regulator according to claim 1, it is characterized in that described voltage detection circuit is to connect the voltage comparator that the power supply bleeder circuit constitutes by linear amplifier, the negative terminal of the dividing point wiring amplifier of resitstance voltage divider, the dividing point wiring amplifier anode of resistance serial connection voltage-stabiliser tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93246850 CN2179664Y (en) | 1993-12-09 | 1993-12-09 | Analogue automobile generator voltage regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93246850 CN2179664Y (en) | 1993-12-09 | 1993-12-09 | Analogue automobile generator voltage regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2179664Y true CN2179664Y (en) | 1994-10-12 |
Family
ID=33819407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93246850 Expired - Fee Related CN2179664Y (en) | 1993-12-09 | 1993-12-09 | Analogue automobile generator voltage regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2179664Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107110904A (en) * | 2014-12-18 | 2017-08-29 | 康奈可关精株式会社 | Vehicle ground detection device |
-
1993
- 1993-12-09 CN CN 93246850 patent/CN2179664Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107110904A (en) * | 2014-12-18 | 2017-08-29 | 康奈可关精株式会社 | Vehicle ground detection device |
| CN107110904B (en) * | 2014-12-18 | 2021-12-10 | 康奈可关精株式会社 | Grounding detection device for vehicle |
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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 |