CN208890635U - A kind of new energy electromechanical testing energy bleeder - Google Patents
A kind of new energy electromechanical testing energy bleeder Download PDFInfo
- Publication number
- CN208890635U CN208890635U CN201821556183.5U CN201821556183U CN208890635U CN 208890635 U CN208890635 U CN 208890635U CN 201821556183 U CN201821556183 U CN 201821556183U CN 208890635 U CN208890635 U CN 208890635U
- 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.)
- Active
Links
Landscapes
- Direct Current Feeding And Distribution (AREA)
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 utility model 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 utility model 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.
Utility model content
The purpose of the utility model 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 suddenly in power battery analog power or
Effective energy bleed-off circuit is provided when damage, electric machine controller is protected 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.
The utility model has the beneficial effects that
1, the power supply unit of the utility model takes electricity, super capacitor energy-storage mode using motor DC bus, it is ensured that
Device itself will not power down at once after power supply always inputs power-off, it can continues to play protective effect.
2, the utility model design has individual sampling control circuit part, can be according to setting protection value independent operating simultaneously
Protection, is not influenced by equipment operating condition itself.
3, the utility model can be directly mounted at power battery analog power output end, can also be directly as separate modular
It uses, effective energy bleed-off circuit is provided when power battery analog power is powered off or damaged suddenly, protect motor control
Device is not damaged.
Detailed description of the invention
Fig. 1 is the systematic schematic diagram of the utility model.
Specific embodiment
As shown in Figure 1, the utility model includes control unit 1 and the power supply unit for being connected in parallel on motor DC bus both ends
2, voltage 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.
The pressure resistance and electric current of the pressure resistance of the energy bleeder of the utility model and the upper limit value of electric current by IGBT module Q1
It determines, 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 utility model:
1) the super capacitor C1 of power supply unit 2 starts energy storage after DC bus powered, and diode D2 is for guaranteeing to surpass
Electric energy stored by grade capacitor C1 will not be electrically charged circuit electric discharge.
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 |
|---|---|---|---|
| CN201821556183.5U CN208890635U (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 |
|---|---|---|---|
| CN201821556183.5U CN208890635U (en) | 2018-09-25 | 2018-09-25 | A kind of new energy electromechanical testing energy bleeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208890635U true CN208890635U (en) | 2019-05-21 |
Family
ID=66513667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821556183.5U Active CN208890635U (en) | 2018-09-25 | 2018-09-25 | A kind of new energy electromechanical testing energy bleeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208890635U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245504A (en) * | 2018-09-25 | 2019-01-18 | 国充充电科技江苏股份有限公司 | A kind of new energy electromechanical testing energy bleeder |
| CN111443288A (en) * | 2020-04-27 | 2020-07-24 | 山东沃森电源设备有限公司 | Low-cost new energy automobile motor test power supply |
| WO2024082132A1 (en) * | 2022-10-18 | 2024-04-25 | Siemens Aktiengesellschaft | Discharge device for dc bus capacitor and method thereof, electrical device and storage medium |
-
2018
- 2018-09-25 CN CN201821556183.5U patent/CN208890635U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245504A (en) * | 2018-09-25 | 2019-01-18 | 国充充电科技江苏股份有限公司 | A kind of new energy electromechanical testing energy bleeder |
| CN111443288A (en) * | 2020-04-27 | 2020-07-24 | 山东沃森电源设备有限公司 | Low-cost new energy automobile motor test power supply |
| WO2024082132A1 (en) * | 2022-10-18 | 2024-04-25 | Siemens Aktiengesellschaft | Discharge device for dc bus capacitor and method thereof, electrical device and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208890635U (en) | A kind of new energy electromechanical testing energy bleeder | |
| CN201750190U (en) | Power supplying, surge preventing and pre-unloading device of power battery pack | |
| CN104348214A (en) | Charger with overvoltage and overcurrent protection and protection method thereof | |
| CN103312010A (en) | Electromobile charger with storage battery overheating protecting function | |
| CN203984066U (en) | Intelligent charger circuit | |
| CN201975754U (en) | Electric leakage overcurrent protection circuit | |
| CN205051933U (en) | LED driving power supply | |
| CN202340033U (en) | Current overload alarm socket | |
| CN204559108U (en) | There is in cell management system of electric automobile the outlet structure of short-circuit protection function | |
| CN204012667U (en) | A kind of motor driver protection circuit | |
| CN109245504A (en) | A kind of new energy electromechanical testing energy bleeder | |
| CN105871045B (en) | A kind of charging circuit being used in solar control system | |
| CN202121367U (en) | Lithium battery pack charger of wind-power pitch control system | |
| CN212258401U (en) | Overvoltage protection circuit for storage battery | |
| CN209313470U (en) | A kind of protection circuit that car emergency startup power supply is docked with automobile starting battery | |
| CN206962431U (en) | A kind of wiring protector of dc generator | |
| CN204205632U (en) | A kind of storage battery reverse connection prevention protection circuit being applied to solar power generation controller | |
| CN202059624U (en) | Structure of LED tube protective circuit | |
| CN204905373U (en) | A solar charging ware for having cross and to fill and not to have a short -circuit protection lithium ion battery | |
| CN204408297U (en) | A kind of pulse socket | |
| CN204144921U (en) | A kind of easy Storage battery protecting device | |
| CN203456852U (en) | Fee-control intelligent ammeter tripping loop protection circuit | |
| CN203911744U (en) | Cold start-up circuit | |
| CN2836308Y (en) | Safety charger | |
| CN203326557U (en) | Under-voltage and over-voltage safety protection circuit of modem |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |