TWM477600U - Output power adjustable motorcycle voltage regulator - Google Patents

Description

Locomotive voltage regulator with adjustable output power

This creation is a locomotive voltage regulator, especially a locomotive voltage regulator that can adjust the output power of the generator according to the voltage of the load terminal.

The general locomotive system generates electricity by the engine synchronously driving the generator to continue to operate. The power generated by the generator can be used to charge the battery and supply other loads, thereby ensuring that the locomotive can continue to operate normally.

In the circuit design, a power supply circuit is arranged between the generator of the locomotive and the load, and the conventional power supply circuit is provided with a voltage regulator connected in parallel with the load and a plurality of rectifier diodes, the voltage regulator comprising a plurality of SCRs (controlled rectifiers) And a control circuit capable of controlling the full-on or non-conduction of the complex SCR; as shown in the first figure, the waveform representing the half-cycle current of the generator is from 0° to 180°, and the SCR is half-cycled when fully-conducting The current flows through the SCR and the rectifying diode, causing the heating temperature of the part to rise.

Generally, when the generator continuously outputs fixed power, the SCR of the voltage regulator is used to control the voltage input to the load terminal to be maintained within the value that the load can withstand, and the excess power is converted into heat energy consumption through the voltage regulator. Under the use of time, not only the waste of energy is formed, but also the components of the voltage regulator are often deteriorated due to high temperature, and the power output of the generator is reduced.

Especially when a high-power load is turned on, or when a large number of loads are turned on at the same time, the SCR shortens the non-conduction time and presents a long-term short-circuit state, thereby increasing the power supply to the load terminal, and the SCR and rectification in the voltage regulator at this time. The diode will withstand the full-phase output current, which will cause the temperature of the part to rise. In the long-term use, the SCR temperature may eventually be exceeded. High and inability to open the circuit will also cause damage to the load-side components due to continuous input of excessive voltage.

In view of this, the creator has accumulated many years of research and practical experience in related fields, and created a locomotive regulator with adjustable output power to solve the problem that the conventional technology uses SCR to consume excess power, resulting in SCR heating and regulator. The circuit is unstable, which affects the lack of generator output power.

The purpose of this creation is to provide a locomotive regulator with adjustable output power, which can adjust the output power of the generator according to the voltage of the load end, so as to reduce the situation that the regulator consumes excess power, so that the regulator parts It can extend the service life due to the temperature drop, and avoid the high-power load, the SCR temperature is too high to be disconnected under long-term use, causing the load-end component to be damaged due to continuous input of excessive voltage. In addition, after the regulator adjusts the output power of the generator according to the voltage of the load terminal, the engine power output can be completely supplied to the rotational speed, and the unnecessary heat energy consumption is reduced, thereby achieving the purpose of fuel economy.

In order to achieve the above objectives, the locomotive voltage regulator with adjustable output power is disposed between the generator and the load, including: a controlled rectifier circuit composed of a plurality of SCRs, and an SCR capable of controlling the controlled rectifier circuit. a control circuit for performing phase modulation, and a rectifying diode circuit composed of a plurality of rectifying diodes, wherein the generator output AC is rectified by a rectifying diode circuit, and outputs a positive voltage to the load terminal and the control circuit The positive terminal is then returned to the generator via the negative terminal of the control circuit to form a closed loop.

The control circuit can detect the voltage input to the load end to perform phase modulation on the SCR of the controlled rectifier circuit; when the output voltage of the generator through the voltage regulator is lower than the set voltage of the load terminal, the control circuit can control the rectifier The opening angle of the SCR of the loop moves from the 180° phase toward the 0° direction, raising the voltage supplied to the load terminal and increasing the output power; when the output voltage of the generator through the regulator is higher than the set voltage of the load terminal, the control circuit can make The opening angle of the SCR of the controlled rectifier circuit is moved from 0° phase to 180° to reduce the voltage supplied to the load terminal and reduce the output power. When the SCR opening angle of the controlled rectifier circuit is closer to 180° phase, the generator The lower the output power, the lower the engine load and the fuel-saving effect.

With the above configuration, the regulator can be adjusted according to the voltage required at the load end. The output power of the generator allows the engine power output to be fully supplied to the speed and reduce unnecessary heat energy consumption. The regulator parts can also be extended for years due to temperature reduction, while avoiding the control of the rectifier circuit in the prior art. If the SCR temperature is too high, the circuit cannot be disconnected, causing the load terminal to continuously input excessive voltage and be damaged. In addition, the set voltage of the load end can be preset according to the power consumption of various load components on the locomotive, and can be adjusted to be higher or lower in accordance with the needs of the vehicle manufacturer, so as to expand the scope of application.

The following further describes the implementation of each component: when implemented, the control circuit further includes a thermistor for detecting the temperature of each component of the voltage regulator, the thermistor detecting that the temperature of each component of the voltage regulator is higher than a set temperature Through the control circuit, the SCR of the controlled rectifier circuit is lowered to reduce the conduction angle, and the current is reduced to a safe value, thereby preventing the temperature of each component of the voltage regulator from being too high and being damaged.

In implementation, the generator is a single-phase generator, the 矽 control rectifier circuit has two SCRs, and the rectifier diode circuit has two rectifying diodes; the single-phase generator is respectively connected to two SCRs The positive electrode is electrically connected, and the negative electrodes of the two SCRs are respectively electrically connected to the control circuit and the load, and the control circuit and the load are respectively electrically connected to the positive poles of the two rectifying diodes, and each of the rectifying diode negative electrodes is respectively electrically connected to an SCR positive electrode. connection.

In implementation, the generator is a three-phase generator, the controlled rectifier circuit has three SCRs, and the rectifier diode circuit has three rectifier diodes; the three-phase generators are respectively associated with three SCRs The positive electrode is electrically connected, and the negative electrodes of the three SCRs are respectively electrically connected to the control circuit and the load, and the control circuit and the load are respectively electrically connected to the positive electrodes of the three rectifying diodes, and each of the rectifying diode negative electrodes is respectively electrically connected to an SCR positive electrode. connection.

Compared with the prior art, this creation has the following advantages:

1. The SCR of the voltage controlled rectifier circuit can adjust the phase according to the load voltage, adjust the output power of the generator, reduce the excess power consumed by the SCR of the controlled rectifier circuit, and extend the service life of the regulator parts.

2. The regulator allows the engine's power output to be fully supplied at the speed, reducing unnecessary heat consumption and achieving fuel economy.

3. It can avoid the high-power load, so that the SCR temperature is too high to be disconnected under long-term use, causing the load-end component to be damaged due to continuous input of excessive voltage.

4. The set voltage of the load end can be preset according to the power consumption of various load components on the locomotive, and can be adjusted up or down according to the needs of the vehicle manufacturer to achieve the purpose of expanding the scope of application.

In the following, according to the technical means of the creation, the implementation method suitable for the creation is listed, and the description is as follows:

100‧‧‧ Voltage Regulator

200‧‧‧ generator

300‧‧‧load

10‧‧‧Controlled rectifier circuit

20‧‧‧Control circuit

21‧‧‧Thermistor

30‧‧‧Rected Diode Circuit

D1, D2, D3‧‧‧ Rectifier

SCR1, SCR2, SCR3‧‧‧SCR (controlled rectifier)

The first picture: the waveform diagram of the generator half-cycle current.

Second figure: Schematic diagram of the composition of the first embodiment of the present creation.

The third picture: the trigger position map of the SCR of the artificially controlled rectifier circuit in the generator output waveform close to 0° phase.

The fourth picture: The waveform of the load end after the SCR of the original control rectifier circuit is triggered near the 0° phase.

The fifth picture: the trigger position map of the SCR of the artificially controlled rectifier circuit in the generator output waveform close to the 180° phase.

Figure 6: Schematic diagram of the waveform of the load terminal after the SCR of the artificially controlled rectifier circuit is triggered near the 180° phase.

Figure 7 is a schematic diagram showing the composition of the second embodiment of the present invention.

As shown in the second figure, the locomotive voltage regulator 100 of the present invention can adjust the output power between the generator 200 and the load 300, including: a controlled rectifier circuit 10 composed of a plurality of SCRs, and a controllable The control circuit 20 for controlling the phase modulation of the SCR of the rectifier circuit 10, and a rectifying diode circuit 30 composed of a plurality of rectifier diodes, the output current of the generator 200 is rectified by the rectifying diode circuit 30 Thereafter, a positive voltage is output to the positive terminal of the load 300 and the control circuit 20, and then returned to the generator 200 via the negative terminal of the control circuit 20 to form a closed loop.

In implementation, the generator 200 is a three-phase generator, and the voltage-controlled rectifier circuit 10 has three SCRs, which are respectively SCR1, SCR2, and SCR3, and the rectifier diode circuit 30 has There are three rectifying diodes, which are D1, D2, and D3.

As shown, the W, V, and U outputs of the three-phase generator 200 are electrically coupled to the positive terminals of the SCR1, SCR2, and SCR3, respectively, and to the negative terminals of the rectifier diodes D1, D2, and D3. The negative electrodes of the SCR1, the SCR2, and the SCR3 are electrically connected to the control circuit 20 and the load 300, respectively, and the control circuit 20 and the load 300 are electrically connected to the positive electrodes of the rectifying diodes D1, D2, and D3, respectively, and the rectifying diode The negative electrodes of D1, D2, and D3 are electrically connected to the positive electrodes of SCR1, SCR2, and SCR3, respectively.

The control circuit 20 can detect the voltage input to the load 300 to perform phase modulation on the SCR of the controlled rectifier circuit 10; as shown in the third figure, the output voltage of the generator 200 through the regulator 100 is lower than the load. When the voltage is set at the end of 300, the control circuit 20 can make the opening angle of the SCR of the controlled rectifier circuit 10 move from the 180° phase toward the 0° direction, and trigger the SCR of the controlled rectifier circuit 10 to be close to the 0° phase. The voltage supplied to the load 300 is high and the output power is increased to form a waveform of the load 300 as shown in the fourth figure.

As shown in the fifth figure, when the output voltage of the generator 200 through the regulator 100 is higher than the set voltage of the load 300, the control circuit 20 can make the opening angle of the SCR of the controlled rectifier circuit 10 from 0° to 180°. The direction is shifted and the SCR of the controlled rectification loop 10 is triggered at a position near the 180° phase, reducing the voltage supplied to the load 300 and reducing the output power, forming a waveform of the load 300 as shown in the sixth figure. When the opening angle of the SCR of the controlled rectifier circuit 10 is closer to the 180° phase, the lower the output power of the generator 200, the lower the engine load 300, and the fuel saving effect is achieved.

In implementation, the set voltage of the above-mentioned load 300 terminal can be preset according to the power consumption of various load components on the locomotive, and can be adjusted to be higher or lower in accordance with the needs of the vehicle manufacturer, so as to expand the scope of application. In addition, the control circuit 20 further includes a thermistor 21 for detecting the temperature of each component of the voltage regulator 100. The thermistor 21 detects that the temperature of each component of the voltage regulator 100 is higher than a set temperature, and passes through the control circuit 20 The SCR of the controlled rectifier circuit 10 reduces the conduction angle, and reduces the current to lower the temperature to a safe value, thereby preventing the temperature of each component of the regulator 100 from being too high and being damaged.

As shown in the seventh figure, the generator 200 is a single-phase generator 200, and the voltage-controlled rectifier circuit 10 has two SCRs, which are SCR1 and SCR2, respectively, and the rectifier diode circuit. 30 has two rectifying diodes, respectively D1, D2; the single-phase generator 200 is electrically connected to the positive poles of SCR1 and SCR2, respectively, and the negative poles of the SCR1 and SCR2 are electrically connected to the control circuit 20 and the load 300, respectively. The control circuit 20 and the load 300 are electrically connected to the positive electrodes of the two rectifying diodes D1 and D2, respectively, and the negative electrodes of the rectifying diodes D1 and D2 are electrically connected to the positive electrodes of the SCR1 and SCR2, respectively.

With the above configuration, the regulator 100 can adjust the output power of the generator 200 according to the voltage required by the load 300, so that the engine power output can be completely supplied to the rotational speed and reduce unnecessary heat energy consumption, the regulator The 100 parts can also be extended in service life due to the temperature drop, and at the same time avoiding the problem that the SCR temperature of the control rectifier circuit 10 in the prior art is too high to be broken, causing the load 300 to continuously input excessive voltage and be damaged.

However, the above description of the embodiments and the drawings are illustrative of the preferred embodiments of the present invention and are not intended to limit the present invention. Therefore, any similarity or similarity to the structure, installation, characteristics, etc. of this creation shall be within the creation purpose of the creation and the scope of patent application.

100‧‧‧ Voltage Regulator

200‧‧‧ generator

300‧‧‧load

10‧‧‧Controlled rectifier circuit

20‧‧‧Control circuit

21‧‧‧Thermistor

30‧‧‧Rected Diode Circuit

D1, D2, D3‧‧‧ Rectifier

SCR1, SCR2, SCR3‧‧‧SCR (controlled rectifier)

Claims (4)

A locomotive regulator capable of regulating output power, the regulator being disposed between the generator and the load, comprising: a controlled rectifier circuit composed of a plurality of SCRs, and an SCR capable of controlling the controlled rectifier circuit to perform phase a modulation control circuit, and a rectifying diode circuit composed of a plurality of rectifying diodes, wherein the output current of the generator is rectified by a rectifying diode circuit, and a positive voltage is outputted to the load terminal and the control circuit Extremely, returning to the generator via the negative terminal of the control circuit to form a closed loop; the control circuit can detect the voltage input to the load terminal and then phase-modulate the SCR of the controlled rectifier circuit; When the output voltage is lower than the set voltage of the load terminal, the control circuit can make the opening angle of the SCR of the controlled rectifier circuit move from the 180° phase toward the 0° direction, increase the voltage supplied to the load terminal and increase the output power; When the output voltage of the voltage regulator is higher than the set voltage of the load terminal, the control circuit can make the opening angle of the SCR of the controlled rectifier circuit shift from 0° phase to 180° direction. Move to reduce the voltage supplied to the load and reduce the output power. The locomotive voltage regulator of the adjustable output power according to claim 1, wherein the control circuit further comprises a thermistor for detecting the temperature of each component of the voltage regulator, the thermistor detecting stable When the temperature of each component of the press is higher than the set temperature, the SCR of the controlled rectifier circuit is lowered by the control circuit, and the current is reduced to a safe value. The locomotive voltage regulator of the adjustable output power according to any one of claims 1 to 2, wherein the generator is a single-phase generator, and the 矽 control rectifier circuit has two SCRs. The rectifying diode circuit has two rectifying diodes; the single-phase generator is electrically connected to the positive poles of the two SCRs, and the negative poles of the two SCRs are respectively electrically connected to the control circuit and the load, and the control circuit and the load are respectively respectively The positive poles of the two rectifier diodes are electrically connected, and each of the rectifier diode anodes is electrically connected to an SCR anode. The locomotive voltage regulator of the adjustable output power according to any one of claims 1 to 2, wherein the generator is a three-phase generator, and the 矽 control rectifier circuit has three SCRs, The rectifying diode circuit has three rectifying diodes; the three-phase generators are respectively electrically connected to the positive poles of the three SCRs, and the negative poles of the three SCRs are respectively electrically connected to the control circuit and the load, and the control circuit and the load are respectively respectively The positive poles of the three rectifier diodes are electrically connected, and each of the rectifier diode anodes is electrically connected to an SCR anode.