CN207010540U - The driving control system and its draw-out power supply of electric and electronic power module - Google Patents
The driving control system and its draw-out power supply of electric and electronic power module Download PDFInfo
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- CN207010540U CN207010540U CN201721007687.7U CN201721007687U CN207010540U CN 207010540 U CN207010540 U CN 207010540U CN 201721007687 U CN201721007687 U CN 201721007687U CN 207010540 U CN207010540 U CN 207010540U
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Abstract
The utility model provides a kind of driving control system and its draw-out power supply of electric and electronic power module, the draw-out power supply includes Switching Power Supply and busbar voltage sampling apparatus, Switching Power Supply is used to obtain first voltage signal from bus, the first voltage signal of acquisition is converted into second voltage signal, and gives the second voltage signal output to the drive device of the electric and electronic power module and the busbar voltage sampling apparatus；The busbar voltage sampling apparatus is used for the voltage signal for gathering the bus, the voltage signal of collection is converted into square-wave signal, and the square-wave signal is transferred into the drive device.According to the driving control system and its draw-out power supply of the electric and electronic power module of embodiment of the present utility model, the space of circuit board occupancy can be reduced, and bus is saved to the distribution of busbar voltage sampling plate, and the voltage signal of collection is converted into square-wave signal, temperature drift is small, sampling precision is higher, cost-effective.
Description
Technical field
It the utility model is related to electric and electronic technical field.More particularly, it is related to a kind of electric and electronic power module
Driving control system and its draw-out power supply.
Background technology
In the prior art, for high-power electric and electronic module, such as static reacance generator (Static Var
Generator, SVG), wind electric converter, Modular multilevel converter (Modular Multilevel Converter,
MMC) etc., the main of its power model is included by igbt (Insulated Gate Bipolar
Transistor, IGBT) composition half-bridge, two-phase full-bridge or three phase full bridge, and be furnished with bus Support Capacitor.The control of power model
System processed includes：Switching Power Supply, voltage sample plate, drive device and master controller.Switching Power Supply is from the bus of power model
Power taking, high-tension electricity is converted into low pressure and supplies electricity to drive device power supply, drive device is responsible for receiving the order of master controller, to power
Module sends control command, while module information is uploaded into master controller.Voltage sample plate samples to busbar voltage, and
Send sampled signal to drive control plate.
Voltage sample plate is used for voltage sample from bus introducing distribution at present, directly exports voltage sample result to driving
Device, acquisition precision be not high.
Utility model content
The purpose of this utility model is to provide a kind of driving of the electric and electronic power module including voltage sample function
Control system and its draw-out power supply, to improve sampling precision.
The utility model provides a kind of draw-out power supply of electric and electronic power module, and the draw-out power supply includes Switching Power Supply
With busbar voltage sampling apparatus, wherein, the Switching Power Supply, for from bus obtain first voltage signal, by the first of acquisition
Voltage signal is converted to second voltage signal, and by the second voltage signal output to the electric and electronic power module
Drive device and the busbar voltage sampling apparatus, the value of the first voltage signal are more than the value of second voltage signal；It is described
Busbar voltage sampling apparatus, for gathering the voltage signal of the bus, the voltage signal of collection is converted into square-wave signal, and
The square-wave signal is transferred to the drive device, the square-wave signal is used for the electricity that the drive device determines the bus
Pressure value.
Alternatively, the busbar voltage sampling apparatus includes voltage-frequency conversion circuit.
Alternatively, the busbar voltage sampling apparatus also includes optical-electrical converter, and the optical-electrical converter is by the voltage-frequency
The square-wave signal of converter output is converted to optical signal by electric signal, and the optical signal is output into the driving and filled
Put.
Alternatively, the Switching Power Supply and the busbar voltage sampling apparatus are integrally disposed on same circuit board.
Alternatively, in addition to external input terminals, the external input terminals are connected with the bus, the Switching Power Supply and
The busbar voltage sampling apparatus is connected by the external input terminals with the bus.
Alternatively, the second voltage signal includes tertiary voltage signal and the 4th voltage signal, the tertiary voltage letter
Number be used for for the drive device power, the 4th voltage signal be used for for the busbar voltage sampling apparatus power, it is described
The value of tertiary voltage signal is more than the value of the 4th voltage signal.
Alternatively, the Switching Power Supply includes DC/DC converters, and the first electricity that the Switching Power Supply obtains from bus
It is direct current to press signal；Or the Switching Power Supply includes AC/DC converters, and the Switching Power Supply obtains from bus
First voltage signal is alternating current.
Another aspect of the present utility model provides a kind of drive device of electric and electronic power module, the drive device with
Above-mentioned draw-out power supply connection, the drive device include：Power subsystem, it is defeated for receiving Switching Power Supply in the draw-out power supply
The second voltage signal gone out；Signal input unit, for receiving the draw-out power supply median generatrix voltage sampling apparatus output
Square-wave signal；Processing unit, the frequency of the square-wave signal for being received according to the signal input unit calculate the bus
Magnitude of voltage.
Another aspect of the present utility model provides a kind of driving control system of electric and electronic power module, the drive control
System includes draw-out power supply as described above and drive device as described above, and the draw-out power supply connects with the drive device
Connect.
Another aspect of the present utility model provides a kind of driving control system of current transformator power module, the drive control
System includes draw-out power supply as described above and drive device as described above, the draw-out power supply and the current transformer power
The dc bus of module and drive device connection, the drive device are connected with the current transformator power module.
Can according to the driving control system of the electric and electronic power module of embodiment of the present utility model and its draw-out power supply
The space that circuit board takes is reduced, and saves bus to the distribution of busbar voltage sampling plate, and by the voltage signal of collection
Square-wave signal is converted to, temperature drift is small, and sampling precision is higher, cost-effective.
By in terms of partly illustrating that the utility model is other in following description and/or advantage, some is logical
Cross description will be apparent, or implementation of the present utility model can be passed through and learnt.
Brief description of the drawings
By the detailed description carried out below in conjunction with the accompanying drawings, wherein：
Fig. 1 is the structure for the driving control system for showing the electric and electronic power module according to embodiment of the present utility model
Block diagram；
Fig. 2 is the structured flowchart for showing the draw-out power supply according to embodiment of the present utility model.
Embodiment
Embodiment of the present utility model is described in detail with reference to the accompanying drawings.
Fig. 1 is the structure for the driving control system for showing the electric and electronic power module according to embodiment of the present utility model
Block diagram.Can be various device for high-power power electronic (examples according to the electric and electronic power module of embodiment of the present utility model
Such as SVG, current transformer, MMC) power model.
Draw-out power supply may include according to the driving control system of the electric and electronic power module of embodiment of the present utility model
20 and drive device 30.Draw-out power supply 20 is connected 30 connections with the drive device.Drive device 30 and electric and electronic power mould
Block (i.e. IGBT module 10) connects.In the case where above-mentioned electric and electronic power module is current transformator power module, current transformer work(
The driving control system of rate module includes draw-out power supply 10 and drive device 30, and draw-out power supply 20 is straight with current transformator power module
Stream bus and drive device 30 are connected, and drive device 30 is connected with current transformator power module (i.e. IGBT module 10).
Particularly, draw-out power supply 20 includes Switching Power Supply 21 and busbar voltage sampling apparatus 22.
Switching Power Supply 21 is used to obtain first voltage signal from the bus of the rear end of IGBT module 10, by the first voltage of acquisition
Signal is converted to second voltage signal, and by second voltage signal output to drive device 30 and busbar voltage sampling apparatus
22, to provide power supply to drive device 30 and busbar voltage sampling apparatus 22.
Particularly, the input of Switching Power Supply 21 is connected with bus so as to obtain first voltage signal from bus.Switch
Multiple output ends of power supply 21 are defeated with the power input of drive device 30 and the power supply of busbar voltage sampling apparatus 22 respectively
Enter end connection, so as to be powered to drive device 30 and busbar voltage sampling apparatus 22.
Further, since the supply voltage of drive device 30 and busbar voltage sampling apparatus 22 may be different, therefore, described the
Two voltage signals include tertiary voltage signal and the 4th voltage signal, and the tertiary voltage signal is used to supply for the drive device
Electricity, the 4th voltage signal are used to power for the busbar voltage sampling apparatus, and the value of the tertiary voltage signal is more than institute
State the value of the 4th voltage signal.It is that is, different with the supply voltage of busbar voltage sampling apparatus 22 in drive device 30
In the case of, the first voltage signal of acquisition is converted to the different tertiary voltage signals and the 4th voltage of voltage by Switching Power Supply 21
Signal, to be powered to the different drive device 30 of supply voltage and busbar voltage sampling apparatus 22.
Busbar voltage sampling apparatus 22 gathers the voltage signal of bus, and the voltage signal of collection is converted into square-wave signal,
And square-wave signal is transferred to drive device 30, the square-wave signal is used for the magnitude of voltage that drive device 30 determines bus, so as to
Drive device 30 can drive IGBT module 10 according to the magnitude of voltage of bus.Due to the frequency of square-wave signal and the magnitude of voltage of bus into
Direct ratio, drive device 30 can be by measuring the frequency of square-wave signal, to determine the magnitude of voltage of bus.
Particularly, because the input of Switching Power Supply 21 is connected with bus, therefore, busbar voltage sampling apparatus
22 input can be connected to gather the voltage signal of bus by the input for the Switching Power Supply 21 being connected with bus.In addition,
The also settable external input terminals for being connected to bus of draw-out power supply 20, Switching Power Supply 21 and busbar voltage sampling apparatus 22 can lead to
External input terminals are crossed to be connected with bus.That is, the input and busbar voltage sampling apparatus 22 of Switching Power Supply 21
The external input terminals of input and draw-out power supply 20.So, busbar voltage sampling apparatus 22 can be by defeated with Switching Power Supply 21
The external input terminals for entering end or draw-out power supply 20 are connected to obtain the voltage signal of bus, are eliminated bus and are sampled to busbar voltage
The distribution of device 22, simplify system distribution.
Busbar voltage sampling apparatus 22 is transmitted square-wave signal to drive device 30 by signal output part, so as to drive dress
Put 30 magnitudes of voltage that bus is determined according to square-wave signal.
Because Switching Power Supply 21 and busbar voltage sampling apparatus 22 are arranged in draw-out power supply 20, Switching Power Supply 21 and mother
Line voltage sampling apparatus 22 can be incorporated on same circuit board, need list with busbar voltage sampling apparatus 22 in the prior art
It is exclusive to be compared with one piece of circuit board, reduce the space of circuit board occupancy, and busbar voltage sampling apparatus 22 can be by with opening
The input in powered-down source 21 or the external input terminals of draw-out power supply 20 are connected to obtain the voltage signal of bus, eliminate bus
To the distribution of busbar voltage sampling apparatus 22, system distribution is simplified.
In addition, the voltage signal of collection is converted to square-wave signal by busbar voltage sampling apparatus 22, and square-wave signal is several
Word amount, voltage signal is converted into analog signal sample mode (for example, Hall sampling, linear light compared to of the prior art
Coupling samples and the sampling of power supply assists winding), temperature drift is small, and acquisition precision is high, cost-effective, and it is remote that optical fiber can be used to carry out
Transmission.And because the square-wave signal sent to drive device 30 is digital quantity, the mould all the way that can be saved in drive device 30
Analog quantity turns the passage of digital quantity.
Voltage signal can be converted to square-wave signal by busbar voltage sampling apparatus 22 by various modes.Preferably, it is
Raising sampling precision and reduce and use cost, busbar voltage sampling apparatus 22 can be by way of voltage-frequency be changed by voltage
Signal is converted to square-wave signal.Correspondingly, busbar voltage sampling apparatus 22 may include voltage-frequency conversion circuit.Voltage-frequency conversion circuit
It may include the voltage-frequency converter and sampling resistor for exporting square-wave signal.
Sampling resistor includes the first sampling resistor and the second sampling resistor being connected in series, the both ends point of sampling resistor
The both positive and negative polarity of bus is not connected to, and the signal input part of voltage-frequency converter is connected to the first sampling resistor and the second sampling resistor
Node between device.So, voltage-frequency converter collection voltage be the second sampling resistor both ends voltage, the first sampling resistor
Partial pressure can be carried out to the high voltage of bus, that is to say, that reduce the electricity of the voltage signal of the input reception of voltage-frequency converter
Pressure, it is ensured that the safety of device.Correspondingly, drive device 30 it is determined that bus magnitude of voltage when also need to consider second sampling electricity
The partial pressure situation of the high pressure of the bus of resistance pair, specific computational methods can refer to following equation (1).
In addition, other ports of voltage-frequency converter also need to connect some peripheral components, its specific annexation and pressure
The model of frequency converter is relevant, will hereinafter be illustrated by taking AD654 chips as an example.
Distance between drive device 30 and busbar voltage sampling apparatus 22 farther out in the case of, it is remote in order to realize
Transmission, busbar voltage sampling apparatus 22 may also include optical-electrical converter, the square wave that optical-electrical converter exports voltage-frequency conversion circuit
Signal is converted to optical signal by electric signal, and the optical signal being converted to is output into drive device 30 by optical fiber.
The concrete structure of busbar voltage sampling apparatus 22 is described hereinafter with reference to Fig. 2.
Fig. 2 is the structured flowchart for showing the draw-out power supply according to embodiment of the present utility model.Voltage-frequency converter can be
The various chips that voltage signal can be converted to frequency signal (i.e. square-wave signal), describe to press by taking AD654 chips as an example in Fig. 2
Annexation between frequency converter and other devices.
As shown in Fig. 2 Switching Power Supply 21 by the first voltage signal obtained from bus be converted to voltage (such as 24V, 15V,
5V) different second voltage signal, and other devices will be respectively supplied to by a variety of second voltage signals being converted to
Power supply, for example, being supplied to drive device 30 to power 24V low-voltage DC, it is supplied to voltage-frequency to turn 15V low-voltage DC
The power input 8 of parallel operation (AD654 chips) 221, is supplied to optical-electrical converter 222 to power 5V low-voltage DC.
First sampling resistor R1 one end and the positive pole of bus connect, and one end of the other end and second resistance device R2 connects
Connect, the second resistance device R2 other end and the negative pole of bus connect, and the signal input part 4 and first of AD654 chips 221 samples
Node connection between resistor R1 and second resistance device R2.Filter condenser C1 is connected between node and ground.First sampling
Resistor R1 can be the resistor of mega-ohms, and second resistance device R2 can be the resistor of kilo-ohm level.
The logic ground terminal 2 and earth terminal 5 of AD654 chips 221 are connected with the negative pole of bus.
The timing resistor leads ends 3 of AD654 chips 221 are connected with timing resistor R4 one end, timing resistor R4's
The negative pole of the other end and bus connects.Timing resistor R4 can be the resistor of kilo-ohm level.
Time capacitor C2 is connected between two timing capacitor leads ends 6 and 7 of AD654 chips 221.Time capacitor C2
It can be the capacitor of nanofarad range.
The signal output part 1 of AD654 chips 221 and pullup resistor R3 one end and the signal of optical-electrical converter 222
Input is connected, and the pullup resistor R3 other end is connected with the port of the output 5V of Switching Power Supply 21 low-voltage DC.Light
The square-wave signal that AD654 chips 221 export is converted to optical signal, and the light that will be converted to by electric transducer 222 by electric signal
Signal is sent to drive device 30.Pullup resistor R3 is one kilo-ohm or so of resistor.
Drive device 30 determines the frequency of square-wave signal according to the optical signal received, and determines bus according to frequency
Magnitude of voltage.
Drive device 30 can determine the magnitude of voltage U of bus by below equation (1) according to the frequency f of square-wave signal.
It is appreciated that Fig. 2 is not limited to according to the concrete structure of the busbar voltage sampling apparatus of embodiment of the present utility model
Shown in concrete structure, for example, voltage-frequency converter can also be the chip of other models, each port of voltage-frequency converter and
Other forms are can also be with the annexation of other devices.In addition, determine that the method for the magnitude of voltage of bus is not limited to equation
(1) mode, the magnitude of voltage of bus can also be determined by other means.
In addition, DC voltage can be gathered according to the draw-out power supply of embodiment of the present utility model, exchange can also be gathered
Voltage.That is, the first voltage signal of above-mentioned bus can be direct current, Switching Power Supply 21 obtains direct current from bus.
In this case, Switching Power Supply 21 may include DC/DC converters, and the direct current of high voltage is converted into low voltage
Direct current.The first voltage signal of above-mentioned bus can also be alternating current, and Switching Power Supply 21 obtains alternating current from bus.This
In the case of, Switching Power Supply 21 may include AC/DC converters, and the alternating current of high voltage is converted to the direct current of low voltage
Electricity.
Embodiment of the present utility model also provides a kind of drive device of electric and electronic power module.The drive device with it is upper
The draw-out power supply connection stated.The drive device includes power subsystem, signal input unit and processing unit.Power subsystem is used for
Receive the second voltage signal that Switching Power Supply exports in draw-out power supply.Signal input unit is used to receive draw-out power supply median generatrix electricity
Press the square-wave signal of sampling apparatus output.The frequency that processing unit is used for the square-wave signal received according to signal input unit calculates
The magnitude of voltage of bus.
Can according to the driving control system of the electric and electronic power module of embodiment of the present utility model and its draw-out power supply
The space that circuit board takes is reduced, and saves bus to the distribution of busbar voltage sampling plate, and by the voltage signal of collection
Square-wave signal is converted to, temperature drift is small, and sampling precision is higher, cost-effective.
Although being particularly shown and describing the utility model with reference to its exemplary embodiment, the technology of this area
Personnel, can be to it should be understood that in the case where not departing from the spirit and scope of the present utility model that claim is limited
Various changes in carry out form and details.
Claims (10)
1. a kind of draw-out power supply of electric and electronic power module, it is characterised in that including Switching Power Supply and busbar voltage sampling cartridge
Put, wherein,
The Switching Power Supply, for obtaining first voltage signal from bus, the first voltage signal of acquisition is converted into the second electricity
Signal is pressed, and by the second voltage signal output to the drive device of the electric and electronic power module and bus electricity
Sampling apparatus is pressed, the value of the first voltage signal is more than the value of second voltage signal；
The busbar voltage sampling apparatus, for gathering the voltage signal of the bus, by the voltage signal side of being converted to of collection
Ripple signal, and the square-wave signal is transferred to the drive device, the square-wave signal determines institute for the drive device
State the magnitude of voltage of bus.
2. draw-out power supply according to claim 1, it is characterised in that the busbar voltage sampling apparatus is changed including voltage-frequency
Circuit.
3. draw-out power supply according to claim 2, it is characterised in that the busbar voltage sampling apparatus also turns including photoelectricity
Parallel operation, the square-wave signal that the optical-electrical converter exports the voltage-frequency converter are converted to optical signal by electric signal, and
The optical signal is output to the drive device.
4. according to the draw-out power supply any one of claim 1-3, it is characterised in that the Switching Power Supply and the bus
Voltage sampling apparatus is integrally disposed on same circuit board.
5. draw-out power supply according to claim 4, it is characterised in that also including external input terminals, the external input terminals
It is connected with the bus, the Switching Power Supply and the busbar voltage sampling apparatus pass through the external input terminals and the mother
Line connects.
6. draw-out power supply according to claim 5, it is characterised in that the second voltage signal includes tertiary voltage signal
With the 4th voltage signal, the tertiary voltage signal is used to power for the drive device, and the 4th voltage signal is for being
The busbar voltage sampling apparatus power supply, the value of the tertiary voltage signal are more than the value of the 4th voltage signal.
7. draw-out power supply according to claim 6, it is characterised in that the Switching Power Supply includes DC/DC converters, and
The first voltage signal that the Switching Power Supply obtains from bus is direct current；Or the Switching Power Supply is changed including AC/DC
Device, and the first voltage signal that the Switching Power Supply obtains from bus is alternating current.
8. a kind of drive device of electric and electronic power module, it is characterised in that the drive device and such as claim 1 to 7
Any described draw-out power supply connection, the drive device include：
Power subsystem, for receiving the second voltage signal that Switching Power Supply exports in the draw-out power supply；
Signal input unit, for receiving the square-wave signal of the draw-out power supply median generatrix voltage sampling apparatus output；
Processing unit, the frequency of the square-wave signal for being received according to the signal input unit calculate the voltage of the bus
Value.
9. a kind of driving control system of electric and electronic power module, it is characterised in that including appointing in such as claim 1 to 7
Draw-out power supply described in meaning one and the drive device described in claim 8, the draw-out power supply connect with the drive device
Connect.
10. a kind of driving control system of current transformator power module, it is characterised in that including any in such as claim 1 to 7
The drive device described in draw-out power supply and claim 8 described in one, the draw-out power supply and the current transformer power mould
The dc bus of block and drive device connection, the drive device are connected with the current transformator power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721007687.7U CN207010540U (en) | 2017-08-08 | 2017-08-08 | The driving control system and its draw-out power supply of electric and electronic power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721007687.7U CN207010540U (en) | 2017-08-08 | 2017-08-08 | The driving control system and its draw-out power supply of electric and electronic power module |
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| CN207010540U true CN207010540U (en) | 2018-02-13 |
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| CN201721007687.7U Active CN207010540U (en) | 2017-08-08 | 2017-08-08 | The driving control system and its draw-out power supply of electric and electronic power module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107317467A (en) * | 2017-08-08 | 2017-11-03 | 北京金风科创风电设备有限公司 | Drive control system of power electronic power module and energy-taking power supply thereof |
| TWI693779B (en) * | 2018-12-07 | 2020-05-11 | 大陸商昂寶電子（上海）有限公司 | Switch mode power converter using Hall effect sensor and its method |
-
2017
- 2017-08-08 CN CN201721007687.7U patent/CN207010540U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107317467A (en) * | 2017-08-08 | 2017-11-03 | 北京金风科创风电设备有限公司 | Drive control system of power electronic power module and energy-taking power supply thereof |
| TWI693779B (en) * | 2018-12-07 | 2020-05-11 | 大陸商昂寶電子（上海）有限公司 | Switch mode power converter using Hall effect sensor and its method |
| US11316442B2 (en) | 2018-12-07 | 2022-04-26 | On-Bright Electronics (Shanghai) Co., Ltd. | Switch-mode power converters using hall effect sensors and methods thereof |
| US11581819B2 (en) | 2018-12-07 | 2023-02-14 | On-Bright Electronics (Shanghai) Co., Ltd. | Switch-mode power converters using hall effect sensors and methods thereof |
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