CN212726554U - High-voltage platform power supply system based on laser power supply - Google Patents
High-voltage platform power supply system based on laser power supply Download PDFInfo
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- CN212726554U CN212726554U CN202021503387.XU CN202021503387U CN212726554U CN 212726554 U CN212726554 U CN 212726554U CN 202021503387 U CN202021503387 U CN 202021503387U CN 212726554 U CN212726554 U CN 212726554U
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Abstract
The utility model relates to a high-voltage platform power supply, concretely relates to high-voltage platform power supply system based on laser power supply, including the laser power supply unit, the traditional power supply unit for the load power supply, be connected with dual power supply switching system between laser power supply unit, the traditional power supply unit and the load, dual power supply switching system is including the first bidirectional thyristor who connects between laser power supply unit and load, the second bidirectional thyristor who connects between traditional power supply unit and load to and be used for driving first bidirectional thyristor, the first drive circuit of second bidirectional thyristor, second drive circuit respectively; the utility model provides a technical scheme can effectively overcome the defect that can't satisfy instantaneous maximum power demand that prior art exists.
Description
Technical Field
The utility model relates to a high-voltage platform power supply, concretely relates to high-voltage platform power supply system based on laser power supply.
Background
Along with the development of economy, the electric load is increased rapidly, the capacity of a power grid is increased continuously, the grade of high voltage for power transmission is improved continuously, and meanwhile, the impact of the increased short-circuit current on a power system and electrical equipment is increased more and more. High-voltage circuit breakers are required to be installed in high-voltage transmission lines to isolate faults of the power system or limit the intensity of short-circuit current in the power system. The high-voltage electric platform adopts the insulation support rod to improve the insulation degree of the platform to the ground, and in order to meet the requirement of the insulation degree, the power-on mode of the traditional low-voltage system must be abandoned, and a new power supply mode is redesigned.
In addition, the problem that the instantaneous maximum power demand cannot be met in the power supply process of the existing high-voltage platform also needs a new power supply mode to replace the original power supply mode.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To the above-mentioned shortcoming that prior art exists, the utility model provides a high-pressure platform power supply system based on laser power supply can effectively overcome the unable defect that satisfies instantaneous maximum power consumption demand that prior art exists.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a high-voltage platform power supply system based on laser power supply comprises a laser power supply device and a traditional power supply device, wherein the laser power supply device and the traditional power supply device supply power to a load, and a dual-power switching system is connected between the laser power supply device and the load and comprises a first bidirectional thyristor connected between the laser power supply device and the load, a second bidirectional thyristor connected between the traditional power supply device and the load, and a first driving circuit and a second driving circuit which are respectively used for driving the first bidirectional thyristor and the second bidirectional thyristor;
the first driving circuit and the second driving circuit respectively comprise a switching tube Q10, an isolation transformer T10, a rectifier diode D31 and a false-triggering prevention circuit, the switching tube Q10 is connected to the primary side of the isolation transformer T10, and the secondary side of the isolation transformer T10 is connected with a first bidirectional thyristor and a second bidirectional thyristor through the rectifier diode D31 and the false-triggering prevention circuit;
laser power supply unit is including the laser generator, photoelectric conversion device, voltage manager and the inverter that connect gradually, the voltage manager includes switch tube M1, inductance L1, electric capacity C1, inductance L2, diode D2, electric capacity Co, diode D1, diode D3, controller, insert photoelectric conversion device between inductance L1 and the diode D2, it has electric capacity C1, inductance L2 to establish ties between inductance L1 and diode D2, be equipped with diode D3 between electric capacity C1, the two ways of switch tube M1 and diode D1 and connect in parallel, switch tube M1 inserts the controller, be connected with inverter Z on the electric capacity Co.
Preferably, the first and second driving circuits further include a protection resistor R11 connected to the switching tube Q10, and a control limit current resistor R12 connected between the false triggering prevention circuit and the first and second triacs.
Preferably, the switching tube Q10 is a P-channel mos tube, the gate G of the switching tube Q10 is connected to the INPUT signal INPUT, the source S of the switching tube Q10 is connected to the primary side of the isolation transformer T10, and the drain D of the switching tube Q10 is grounded.
Preferably, the false triggering prevention circuit comprises a false triggering prevention resistor R10 and a false triggering prevention capacitor C10 which are connected in parallel.
Preferably, the gate S of the first triac and the gate S of the second triac are connected to a gate current-limiting resistor R12, the T1 pole and the T2 pole of the first triac are respectively connected to a conventional power supply device and a load, and the T1 pole and the T2 pole of the second triac are respectively connected to a laser power supply device and the load.
Preferably, the inductor L1 is connected to the anode of the photoelectric conversion device, and the diode D2 is connected to the cathode of the photoelectric conversion device.
Preferably, the photoelectric conversion device comprises a receiving lens for receiving laser emitted by the laser generator and a photocell plate, and a spectroscope for dispersing the laser received by the receiving lens onto the photocell plate is arranged behind the receiving lens.
Preferably, the switching tube M1 is an N-channel mos tube, the drain of the switching tube M1 is connected to the diode D3, the source of the switching tube M1 is connected to the capacitor Co, the gate of the switching tube M1 is connected to the controller, and the controller is a pulse modulation chip.
Preferably, the positive pole of the inverter Z is connected to the source of the switching tube M1, and the negative pole of the inverter Z is connected to the diode D2.
(III) advantageous effects
Compared with the prior art, the utility model provides a high-pressure platform power supply system based on laser power supply can utilize teletransmission laser, and turn into the electric energy with laser and supply power on incorporating high-voltage electrical platform to can satisfy instantaneous maximum power consumption demand, and because laser can transmit in optic fibre, compare and can effectively reduce heat energy loss in traditional power transmission.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic diagram of the laser power supply apparatus of FIG. 1 according to the present invention;
fig. 3 is a schematic diagram of a first driving circuit and a second driving circuit of the present invention;
fig. 4 is a schematic diagram of the medium voltage manager circuit according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A high-voltage platform power supply system based on laser power supply is disclosed, as shown in fig. 1 to 4, and comprises a laser power supply device and a traditional power supply device which supply power for a load, wherein a double-power switching system is connected between the laser power supply device and the traditional power supply device and the load, the double-power switching system comprises a first bidirectional thyristor connected between the laser power supply device and the load, a second bidirectional thyristor connected between the traditional power supply device and the load, and a first driving circuit and a second driving circuit which are respectively used for driving the first bidirectional thyristor and the second bidirectional thyristor.
The first driving circuit and the second driving circuit respectively comprise a switching tube Q10, an isolation transformer T10, a rectifier diode D31 and a false triggering prevention circuit, the switching tube Q10 is connected to the primary side of the isolation transformer T10, and the secondary side of the isolation transformer T10 is connected with a first bidirectional controllable silicon and a second bidirectional controllable silicon through the rectifier diode D31 and the false triggering prevention circuit.
The first drive circuit and the second drive circuit further comprise a protection resistor R11 connected with the switching tube Q10, and a control limit current resistor R12 connected between the false triggering prevention circuit and the first bidirectional controllable silicon and the second bidirectional controllable silicon.
The switching tube Q10 is a P-channel mos tube, the gate G of the switching tube Q10 is connected to the INPUT signal INPUT, the source S of the switching tube Q10 is connected to the primary side of the isolation transformer T10, and the drain D of the switching tube Q10 is grounded.
The false triggering prevention circuit comprises a false triggering prevention resistor R10 and a false triggering prevention capacitor C10 which are connected in parallel.
The gate S of the first bidirectional controllable silicon and the gate S of the second bidirectional controllable silicon are connected with a control electrode current-limiting resistor R12, the T1 electrode and the T2 electrode of the first bidirectional controllable silicon are respectively connected with a traditional power supply device and a load, and the T1 electrode and the T2 electrode of the second bidirectional controllable silicon are respectively connected with a laser power supply device and the load.
As shown in fig. 4, when no INPUT signal INPUT is INPUT, the switching tube Q10 is turned off, the isolation transformer T10 has no output at the secondary side, the voltage across the false triggering prevention capacitor C10 is zero, no current flows through the gate S of the triac, and the triac is turned off.
When an INPUT signal INPUT of a high-frequency PWM (pulse-width modulation) modulation wave exists, the switching tube Q10 is conducted, the isolation transformer T10 absorbs the energy of VCC and transmits the energy to the secondary side, the rectifier diode D31 and the anti-false-triggering capacitor C10 form a rectifier filter circuit, a group of voltages are output at two ends of the anti-false-triggering capacitor C10, part of the energy is discharged through the anti-false-triggering resistor R10, and most of other energy flows through the gate S of the bidirectional thyristor by controlling the limit current resistor R12, so that the T1 pole and the T2 pole of the bidirectional thyristor are conducted.
The above-mentioned content is the process of controlling the conduction and the closing of the bidirectional controllable silicon by using the INPUT signal INPUT. In this application technical scheme, first drive circuit, second drive circuit's circuit structure are the same, are the circuit structure shown in fig. 4, and before the period that probably appears the biggest power consumption demand comes, to the high frequency PWM modulation wave of first drive circuit input for first bidirectional thyristor switches on, and opens laser power supply unit, merges laser power supply unit into high-voltage electrical platform and supplies power, thereby can satisfy the instantaneous biggest power consumption demand.
In the technical scheme, the INPUT signals INPUT of different combinations are formed by adjusting the frequency, duty ratio and pulse duration of the high-frequency PWM modulation waves, and the high-frequency PWM modulation waves can be generated by a PWM signal generator.
In the technical scheme, the dual-power switching system is mainly used for switching between two power supply modes of independent power supply of the traditional power supply device and combined power supply of the laser power supply device and the traditional power supply device. Of course, when the power supply voltage of the conventional power supply device fluctuates and the normal operation of the load is seriously affected, the INPUT signal INPUT of the second driving circuit can be cut off, and the high-frequency PWM modulation wave is INPUT to the first driving circuit, so that the second bidirectional thyristor is cut off and the first bidirectional thyristor is switched on, and by switching to the laser power supply device, the uninterrupted power supply to the load is realized, and the continuous operation of the load is ensured.
In the technical scheme of the application, the traditional power supply device refers to a high-voltage platform for supplying power, and the first bidirectional thyristor is connected between the inverter and the load.
The laser power supply device comprises a laser generator, a photoelectric conversion device, a voltage manager and an inverter which are sequentially connected, wherein the voltage manager comprises a switch tube M1, an inductor L1, a capacitor C1, an inductor L2, a diode D2, a capacitor Co, a diode D1, a diode D3 and a controller, the photoelectric conversion device is connected between the inductor L1 and the diode D2 in an access mode, a capacitor C1 and an inductor L2 are connected between the inductor L1 and the diode D2 in series, the diode D3 is arranged between the capacitor C1 and the capacitor Co, two paths of the switch tube M1 and the diode D1 are connected in parallel, the switch tube M1 is connected into the controller, and the inverter Z is connected to the capacitor Co.
The inductor L1 is connected to the anode of the photoelectric conversion device, and the diode D2 is connected to the cathode of the photoelectric conversion device.
The photoelectric conversion device comprises a receiving lens and a photoelectric cell plate, wherein the receiving lens is used for receiving laser emitted by the laser generator, and a spectroscope used for dispersing the laser received by the receiving lens onto the photoelectric cell plate is arranged behind the receiving lens.
The switch tube M1 is an N-channel mos tube, the drain of the switch tube M1 is connected to the diode D3, the source of the switch tube M1 is connected to the capacitor Co, the gate of the switch tube M1 is connected to the controller, and the controller is a pulse modulation chip.
The positive electrode of the inverter Z is connected to the source of the switching tube M1, and the negative electrode of the inverter Z is connected to the diode D2.
As shown in fig. 3, when the switching tube M1 is turned off, the diode D1 is turned on, and the photoelectric conversion device, the inductor L1, the capacitor C1, the diode D1, the capacitor Co, and the inverter Z form one circuit, and the diode D2, the inductor L2, the diode D1, the capacitor Co, and the inverter Z form another circuit. At this time, the capacitor C1 stores energy, and the input current ii, the inductor current iL2 and the output current io all decrease linearly.
When the switching tube M1 is turned on, the diode D1 is turned off, the photoelectric conversion device, the inductor L1, the diode D3, the switching tube M1, the capacitor Co, and the inverter Z form one circuit, and the diode D2, the inductor L2, the capacitor C1, the diode D3, the switching tube M1, the capacitor Co, and the inverter Z form another circuit. At this time, the capacitor C1 releases energy, and the input current ii, the inductor current iL2, and the output current io all rise linearly.
The receiving lens receives laser transmitted by the optical fiber, the laser is dispersed to the photoelectric cell plate through the spectroscope, the photoelectric cell plate converts light energy into electric energy, the electric energy is input into the voltage manager, the voltage manager can convert input voltage Vi of the photoelectric conversion device into output voltage Vo which has the same polarity and is smaller than the input voltage Vi, and then the inverter Z is used for converting direct current voltage into alternating current voltage and supplying power to the high-voltage electric platform.
Among this application technical scheme, can produce laser at remote utilization laser generator to carry to the regional conversion of power consumption through optic fibre and become the electric energy. Because the laser can be transmitted in the optical fiber, the heat energy loss can be effectively reduced compared with the traditional electric energy transmission. In the usual high-power laser test, the system can also utilize the generated laser to be merged into a high-voltage electrical platform for supplying power.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. The utility model provides a high-voltage platform power supply system based on laser power supply which characterized in that: the dual-power-supply switching system comprises a first bidirectional controllable silicon connected between the laser power supply device and the load, a second bidirectional controllable silicon connected between the traditional power supply device and the load, and a first driving circuit and a second driving circuit which are respectively used for driving the first bidirectional controllable silicon and the second bidirectional controllable silicon;
the first driving circuit and the second driving circuit respectively comprise a switching tube Q10, an isolation transformer T10, a rectifier diode D31 and a false-triggering prevention circuit, the switching tube Q10 is connected to the primary side of the isolation transformer T10, and the secondary side of the isolation transformer T10 is connected with a first bidirectional thyristor and a second bidirectional thyristor through the rectifier diode D31 and the false-triggering prevention circuit;
laser power supply unit is including the laser generator, photoelectric conversion device, voltage manager and the inverter that connect gradually, the voltage manager includes switch tube M1, inductance L1, electric capacity C1, inductance L2, diode D2, electric capacity Co, diode D1, diode D3, controller, insert photoelectric conversion device between inductance L1 and the diode D2, it has electric capacity C1, inductance L2 to establish ties between inductance L1 and diode D2, be equipped with diode D3 between electric capacity C1, the two ways of switch tube M1 and diode D1 and connect in parallel, switch tube M1 inserts the controller, be connected with inverter Z on the electric capacity Co.
2. The laser power supply based high voltage platform power supply system of claim 1, wherein: the first drive circuit and the second drive circuit further comprise a protection resistor R11 connected with the switching tube Q10, and a control limit current resistor R12 connected between the false triggering prevention circuit and the first bidirectional controllable silicon and the second bidirectional controllable silicon.
3. The laser power supply based high voltage platform power supply system of claim 2, wherein: the switching tube Q10 is a P-channel mos tube, the gate G of the switching tube Q10 is connected to an INPUT signal INPUT, the source S of the switching tube Q10 is connected to the primary side of the isolation transformer T10, and the drain D of the switching tube Q10 is grounded.
4. The laser power supply based high voltage platform power supply system of claim 2, wherein: the false triggering prevention circuit comprises a false triggering prevention resistor R10 and a false triggering prevention capacitor C10 which are connected in parallel.
5. The laser power supply based high voltage platform power supply system of claim 2, wherein: the gate electrodes S of the first bidirectional controllable silicon and the second bidirectional controllable silicon are connected to a control electrode current-limiting resistor R12, the T1 electrode and the T2 electrode of the first bidirectional controllable silicon are respectively connected with a traditional power supply device and a load, and the T1 electrode and the T2 electrode of the second bidirectional controllable silicon are respectively connected with a laser power supply device and the load.
6. The laser power supply based high voltage platform power supply system of claim 1, wherein: the inductor L1 is connected to the anode of the photoelectric conversion device, and the diode D2 is connected to the cathode of the photoelectric conversion device.
7. The laser power supply based high voltage platform power supply system of claim 6, wherein: the photoelectric conversion device comprises a receiving lens and a photoelectric cell plate, wherein the receiving lens is used for receiving laser emitted by the laser generator, and a spectroscope used for dispersing the laser received by the receiving lens onto the photoelectric cell plate is arranged behind the receiving lens.
8. The laser power supply based high voltage platform power supply system of claim 1, wherein: the switch tube M1 is an N-channel mos tube, the drain of the switch tube M1 is connected to a diode D3, the source of the switch tube M1 is connected to a capacitor Co, the gate of the switch tube M1 is connected to a controller, and the controller is a pulse modulation chip.
9. The laser power supply based high voltage platform power supply system of claim 1, wherein: the positive pole of the inverter Z is connected with the source electrode of the switching tube M1, and the negative pole of the inverter Z is connected with the diode D2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021503387.XU CN212726554U (en) | 2020-07-27 | 2020-07-27 | High-voltage platform power supply system based on laser power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021503387.XU CN212726554U (en) | 2020-07-27 | 2020-07-27 | High-voltage platform power supply system based on laser power supply |
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| CN212726554U true CN212726554U (en) | 2021-03-16 |
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|---|---|---|---|
| CN202021503387.XU Expired - Fee Related CN212726554U (en) | 2020-07-27 | 2020-07-27 | High-voltage platform power supply system based on laser power supply |
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| CN (1) | CN212726554U (en) |
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- 2020-07-27 CN CN202021503387.XU patent/CN212726554U/en not_active Expired - Fee Related
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