CN109245504A - A kind of new energy electromechanical testing energy bleeder - Google Patents
A kind of new energy electromechanical testing energy bleeder Download PDFInfo
- Publication number
- CN109245504A CN109245504A CN201811112432.6A CN201811112432A CN109245504A CN 109245504 A CN109245504 A CN 109245504A CN 201811112432 A CN201811112432 A CN 201811112432A CN 109245504 A CN109245504 A CN 109245504A
- Authority
- CN
- China
- Prior art keywords
- energy
- control unit
- power
- resistance
- bleeder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 238000005070 sampling Methods 0.000 claims abstract description 19
- 239000003990 capacitor Substances 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
- H02M1/322—Means for rapidly discharging a capacitor of the converter for protecting electrical components or for preventing electrical shock
Abstract
A kind of new energy electromechanical testing energy bleeder, is related to a kind of energy leadage circuit.It releases power cell including control unit and the power supply unit, voltage sampling unit, energy that are connected in parallel on motor DC bus both ends, the output end of said supply unit and the power end of control unit connect, the voltage sampling unit is connected to the input terminal of control unit, and energy power cell of releasing is connected to the output end of control unit.The present invention can be directly mounted at power battery analog power output end, can also use directly as separate modular, and effective energy bleed-off circuit is provided when power battery analog power is powered off or damaged suddenly, electric machine controller is protected not to be damaged.
Description
Technical field
The present invention relates to a kind of energy leadage circuit, specially a kind of new energy electromechanical testing energy bleeder.
Background technique
The laboratory of the new energy motor of mainstream and production test use power battery analog power, power electric at present
Pond analog power largely improves testing efficiency, but there is also its own emergencies to burn out motor and controller
Deficiency, power battery analog power is in the nature bi-directional power, both can for test motor or electric machine controller operation be provided
Required energy, and can be the feedback electromotive force feedback grid in test process.This power battery analog power is normal
In the case of test there is no problem, once but power off (tripping), protection suddenly in power supply or to damage be that will lead to the anti-of motor
To electromotive force without bleed-off circuit, steeply rising until burning out controller for DC bus-bar voltage is caused, there are security risks, and make
At a large amount of economic loss.
Summary of the invention
The object of the present invention is to provide a kind of new energy electromechanical testing energy bleeder, when use, is mounted on power battery
Analog power output end can also be used directly as separate modular, powered off or damaged suddenly in power battery analog power
When effective energy bleed-off circuit is provided, protect electric machine controller not to be damaged.
Realizing the technical solution of above-mentioned purpose is: a kind of new energy electromechanical testing energy bleeder, it is characterised in that: packet
The power supply unit, voltage sampling unit, energy for including control unit and being connected in parallel on motor DC bus both ends are released power cell,
The output end of said supply unit and the power end of control unit connect, and the voltage sampling unit is connected to the defeated of control unit
Enter end, energy power cell of releasing is connected to the output end of control unit.
Further, said supply unit includes current-limiting resistance, zener diode D1, diode D2, super capacitor C1, institute
It states current-limiting resistance, diode D2, super capacitor C1 to be sequentially connected in series, zener diode D1 is attempted by the both ends, simultaneously of super capacitor C1
It is connect with the power end of control unit.
Further, the voltage sampling unit includes the sampling resistor mutually concatenated and divider resistance R9.
Further, energy power cell of releasing includes bleeder resistance, resistance R10 and connect with control unit
The pole c of I GBT module Q1, the bleeder resistance and IGBT module connects, resistance R10 be connected to IGBT module the pole g and the pole e it
Between.
Further, described control unit uses single-chip microcontroller, and the input terminal of control unit is connected by analog-to-digital conversion module
Voltage sampling unit.
Beneficial effects of the present invention:
1, power supply unit of the invention takes electricity, super capacitor energy-storage mode using motor DC bus, it is ensured that total in power supply
Device itself will not power down at once after input power-off, it can continues to play protective effect.
2, present invention design has individual sampling control circuit part, according to setting protection value independent operating and can protect
Shield, is not influenced by equipment operating condition itself.
3, the present invention can be directly mounted at power battery analog power output end, can also make directly as separate modular
With providing effective energy bleed-off circuit when power battery analog power is powered off or damaged suddenly, protect electric machine controller
It is not damaged.
Detailed description of the invention
Fig. 1 is systematic schematic diagram of the invention.
Specific embodiment
As shown in Figure 1, the present invention includes control unit 1 and the power supply unit 2 for being connected in parallel on motor DC bus both ends, electricity
Pressure sampling unit 3, energy are released power cell 4, and control unit 1 described in the present embodiment uses single-chip microcontroller.
Power supply unit 1 includes current-limiting resistance 5, zener diode D1, diode D2, super capacitor C1, current-limiting resistance 5, two
Pole pipe D2, super capacitor C1 are sequentially connected in series, and 5 main function of current-limiting resistance guarantees that power supply charging process will not influence main power
Part can be made of the resistance of one or more concatenations, the current-limiting resistance 5 of the present embodiment uses resistance R1, R2, R3, R4 tandem
Composition, zener diode D1 are attempted by the both ends of super capacitor C1 and connect with the power end of control unit 1, single as control
The power supply of member 1, voltage-stabiliser tube D1 are arranged according to the voltage requirements of control unit 1.
Voltage sampling unit includes the sampling resistor 6 and divider resistance R9 mutually concatenated, and sampling resistor 6 can use 1
Or the resistance of multiple concatenations forms, the sampling resistor 6 of the present embodiment is formed using resistance R5, R6, R7, R8 tandem, control unit 1
Input terminal be connected between sampling resistor 6 and divider resistance R9 by analog-to-digital conversion module 7, realize the acquisition of voltage signal.
Energy power cell 4 of releasing includes bleeder resistance 8, IGBT module Q1 and resistance R10, and bleeder resistance 8 can adopt
It is formed with the bleeder resistance 8 of the resistance composition of one or more concatenations, the present embodiment using resistance R11, R12, R13, R14 tandem,
Bleeder resistance 8 is connect with the pole c of IGBT module Q1, and resistance R10 is connected between the pole g of IGBT module and the pole e, control unit 1
Output end connect with IGBT module Q1.
Energy bleeder of the invention pressure resistance and electric current upper limit value by IGBT module Q1 pressure resistance and electric current determine,
The resistance value size of bleeder resistance 8 is according to test motor or the 1/5-1/10 type selecting of test electric machine controller mean power.
The course of work of the invention:
1) the super capacitor C1 of power supply unit 2 starts energy storage after DC bus powered, and diode D2 is for guaranteeing super electricity
Circuit electric discharge will not be electrically charged by holding the electric energy stored by C1.
2) control unit 1 it is electric after, the voltage sample value of voltage sampling unit 3 can be sent to control unit 1, realize pair
Busbar voltage real-time monitoring, and with control unit 1 set by compared with protection threshold voltage, device when lower than protection threshold voltage
Do not start, device starts when being higher than setting threshold values, and the conducting (PWM mode) that control unit 1 controls IGBT module Q1 reaches inhibition
The purpose that DC bus rises.
Claims (5)
1. a kind of new energy electromechanical testing energy bleeder, it is characterised in that: including control unit and to be connected in parallel on motor straight
Power supply unit, voltage sampling unit, the energy at stream bus both ends are released power cell, the output end of said supply unit and control
The power end of unit connects, and the voltage sampling unit is connected to the input terminal of control unit, and energy is released power cell connection
In the output end of control unit.
2. a kind of new energy electromechanical testing energy bleeder according to claim 1, it is characterised in that: the power supply is single
Member includes current-limiting resistance, zener diode D1, diode D2, super capacitor C1, the current-limiting resistance, diode D2, super electricity
Hold C1 to be sequentially connected in series, zener diode D1 is attempted by the both ends of super capacitor C1 and connect with the power end of control unit.
3. a kind of new energy electromechanical testing energy bleeder according to claim 1, it is characterised in that: the voltage is adopted
Sample unit includes the sampling resistor mutually concatenated and divider resistance R9.
4. a kind of new energy electromechanical testing energy bleeder according to claim 1, it is characterised in that: the energy is let out
Putting power cell includes bleeder resistance, resistance R10 and the IGBT module Q1 connecting with control unit, the bleeder resistance with
The pole c of IGBT module connects, and resistance R10 is connected between the pole g of IGBT module and the pole e.
5. a kind of new energy electromechanical testing energy bleeder according to claim 1, it is characterised in that: the control is single
Member uses single-chip microcontroller, and the input terminal of control unit connects voltage sampling unit by analog-to-digital conversion module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811112432.6A CN109245504A (en) | 2018-09-25 | 2018-09-25 | A kind of new energy electromechanical testing energy bleeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811112432.6A CN109245504A (en) | 2018-09-25 | 2018-09-25 | A kind of new energy electromechanical testing energy bleeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109245504A true CN109245504A (en) | 2019-01-18 |
Family
ID=65056599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811112432.6A Pending CN109245504A (en) | 2018-09-25 | 2018-09-25 | A kind of new energy electromechanical testing energy bleeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109245504A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202010005578U1 (en) * | 2010-04-26 | 2010-08-19 | Abb Oy | Arrangement in connection with a power supply unit and frequency converter with the arrangement |
| CN203193496U (en) * | 2013-03-17 | 2013-09-11 | 江苏宝丰新能源科技有限公司 | Large-capacitance self-discharge controller without external power supply |
| CN203884059U (en) * | 2014-06-13 | 2014-10-15 | 成都芯源系统有限公司 | LED driving device and controller thereof |
| CN104467004A (en) * | 2013-09-22 | 2015-03-25 | 青岛鸿森重工有限公司 | Motor test power supply for new energy automobile |
| CN205725474U (en) * | 2016-04-26 | 2016-11-23 | 浙江正泰电器股份有限公司 | Converter circuit |
| CN107742896A (en) * | 2017-10-31 | 2018-02-27 | 国充充电科技江苏股份有限公司 | Energy storage type electrokinetic cell analog power structure |
| CN208890635U (en) * | 2018-09-25 | 2019-05-21 | 国充充电科技江苏股份有限公司 | A kind of new energy electromechanical testing energy bleeder |
-
2018
- 2018-09-25 CN CN201811112432.6A patent/CN109245504A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202010005578U1 (en) * | 2010-04-26 | 2010-08-19 | Abb Oy | Arrangement in connection with a power supply unit and frequency converter with the arrangement |
| CN203193496U (en) * | 2013-03-17 | 2013-09-11 | 江苏宝丰新能源科技有限公司 | Large-capacitance self-discharge controller without external power supply |
| CN104467004A (en) * | 2013-09-22 | 2015-03-25 | 青岛鸿森重工有限公司 | Motor test power supply for new energy automobile |
| CN203884059U (en) * | 2014-06-13 | 2014-10-15 | 成都芯源系统有限公司 | LED driving device and controller thereof |
| CN205725474U (en) * | 2016-04-26 | 2016-11-23 | 浙江正泰电器股份有限公司 | Converter circuit |
| CN107742896A (en) * | 2017-10-31 | 2018-02-27 | 国充充电科技江苏股份有限公司 | Energy storage type electrokinetic cell analog power structure |
| CN208890635U (en) * | 2018-09-25 | 2019-05-21 | 国充充电科技江苏股份有限公司 | A kind of new energy electromechanical testing energy bleeder |
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