CN109435765A - Battery pack contactless control system and working method - Google Patents
Battery pack contactless control system and working method Download PDFInfo
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- CN109435765A CN109435765A CN201910062722.2A CN201910062722A CN109435765A CN 109435765 A CN109435765 A CN 109435765A CN 201910062722 A CN201910062722 A CN 201910062722A CN 109435765 A CN109435765 A CN 109435765A
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- controlling device
- contact controlling
- insulated gate
- gate bipolar
- bipolar transistor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The invention discloses a kind of battery pack contactless control system, including BMS battery management system and non-contact controlling device, the sample port of the BMS battery management system is connected with battery pack；The input terminal of the non-contact controlling device is connected with the positive output end of battery pack and negative output terminal, and the control terminal of the non-contact controlling device is connected with the control terminal of BMS battery management system, and the output end of the non-contact controlling device connects load.The present invention provides a kind of battery pack contactless control system and working method, it passes through the cooperation of BMS battery management system and two non-contact controlling devices, the on-off of control battery pack output.
Description
Technical field
The present invention relates to a kind of battery pack contactless control system and working methods, belong to electric car field.
Background technique
Currently, battery pack electrical control has contact using what the elements such as relay, controller and other electric appliances formed
Control system drives electricity by controlling the actuation of relay and disconnecting reaching voltage, the electric current output of control battery pack
Electrical automobile.The defect and deficiency of contactor control technology: 1, the contact of relay especially disconnects wink in connecting and disconnecting
Between, unavoidably to there is arcing phenomena, main contacts is made to burn；2, relay contact must have spring when being attracted, this
The contact service life is greatly shortened, while big electrical noise can be generated；3, the contact mechanical action low-response of relay, anti-vibration and
Impact property difference and electrical noise are big；4, battery pack maintenance is made troubles, while also bringing relevant increased costs and whole
The decline of body performance.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a kind of contactless control of battery pack
System and working method processed, it passes through the cooperation of BMS battery management system and two non-contact controlling devices, and control battery pack is defeated
On-off out.
In order to solve the above-mentioned technical problem, the technical scheme is that
A kind of battery pack contactless control system, comprising:
The sample port of BMS battery management system, the BMS battery management system is connected with battery pack；
Non-contact controlling device, the input terminal of the non-contact controlling device and the positive output end of battery pack and negative output terminal phase
Even, the control terminal of the non-contact controlling device is connected with the control terminal of BMS battery management system, the non-contact controlling device
Output end connect load.
Further, the non-contact controlling device includes insulated gate bipolar transistor Q1, photoelectrical coupler U1 and three poles
Pipe Q2, the collector of the insulated gate bipolar transistor Q1 are connected with the input terminal IN of non-contact controlling device, the insulation
The emitter of grid bipolar junction transistor Q1 is connected with the output end OUT of non-contact controlling device, the insulated gate bipolar crystal
Diode D1 and capacitor C1,2 ends of the photoelectrical coupler U1 and insulated gate are parallel between the collector and emitter of pipe Q1
The grid of bipolar junction transistor Q1 is connected, and 3 ends of the photoelectrical coupler U1 are connected with+5V voltage source, the photoelectrical coupler
The end K of U1 is connected with the collector of triode Q2, and the end A of the photoelectrical coupler U1 is connected by resistance R3 with+5V voltage source,
The emitter of the triode Q2 is grounded, and the collector of the triode Q2 is connected by resistance R1 with+5V voltage source, and described three
The base stage of pole pipe Q2 is connected by resistance R2 with the control terminal J of non-contact controlling device.
The present invention also provides a kind of working methods of battery pack contactless control system, it is comprised the following steps:
The control terminal of BMS battery management system outputs control signals to the control terminal J of non-contact controlling device, makes system without deaerator
The control terminal J of device obtains voltage；
According to the voltage that the control terminal J of non-contact controlling device is obtained, conducting and the pass of insulated gate bipolar transistor Q1 are controlled
It is disconnected；
By the turn-on and turn-off of insulated gate bipolar transistor Q1, come control non-contact controlling device output end OUT it is defeated
Out；Wherein,
The voltage obtained according to the control terminal J of the non-contact controlling device, control insulated gate bipolar transistor Q1's
The step of turn-on and turn-off are as follows:
When the control terminal J of non-contact controlling device is high potential, triode Q2 conducting controls photoelectric coupling after triode Q2 conducting
The end K of device U1 becomes low potential by high potential, and 2 ends of photoelectrical coupler U1 export effective enable signal, and insulated gate bipolar is brilliant
Body pipe Q1 is connected after receiving effective enable signal that photoelectrical coupler U1 is exported；When the control terminal J of non-contact controlling device is low
Current potential, triode Q2 shutdown, the end K of photoelectrical coupler U1 are high potential, 2 ends of photoelectrical coupler U1 not output signal, insulation
Grid bipolar junction transistor Q1 shutdown；
The turn-on and turn-off by insulated gate bipolar transistor Q1, to control the output end OUT of non-contact controlling device
Output the step of are as follows:
When insulated gate bipolar transistor Q1 is connected, the battery pack DC voltage of the input terminal IN of non-contact controlling device passes through
Insulated gate bipolar transistor Q1 is exported from the output end OUT of non-contact controlling device；When insulated gate bipolar transistor Q1 is closed
Disconnected, the output end OUT of non-contact controlling device is not exported.
Using above-mentioned technical proposal, the present invention is by BMS battery management system come the control terminal J of non-contact controlling device
Voltage, the on-off of insulated gate bipolar transistor Q1 is controlled according to the height of the voltage, to control the logical of battery pack output
It is disconnected；The present invention has vibration resistance, impact resistance, service life length, no-spark interference, noiseless, switch response fast a little, and work can
It leans on, maintenance is simple.
Detailed description of the invention
Fig. 1 is the functional block diagram of battery pack contactless control system of the invention；
Fig. 2 is the equivalent circuit diagram of Fig. 1；
Fig. 3 is the circuit diagram of non-contact controlling device of the invention.
Specific embodiment
In order that the present invention can be more clearly and readily understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail.
Embodiment one
As shown in Figures 1 to 3, a kind of battery pack contactless control system, comprising:
The sample port of BMS battery management system, the BMS battery management system is connected with battery pack by sampling line, is monitored
The working condition of every piece of battery, the model DKX917-42T10N4 of the BMS battery management system, the battery pack is by 96 pieces
Ternary lithium battery group is at battery pack voltage is 350V；
Non-contact controlling device, the input terminal of the non-contact controlling device and the positive output end of battery pack and negative output terminal phase
Even, the control terminal of the non-contact controlling device is connected with the control terminal of BMS battery management system, the non-contact controlling device
Output end connect load, the electric current of battery pack enters from the input terminal IN of non-contact controlling device, by control from contactless
The output end OUT of control device flows out, and the control terminal J of non-contact controlling device is controlled by BMS battery management system, according to whole
The demand of vehicle controls whether the electric current of battery pack exports, to reach the external system without deaerator output of control battery pack, such as
Shown in Fig. 2, this non-contact controlling device is equivalent to a switch, and the control terminal J of non-contact controlling device is used to control switch
It turns on and off.
As shown in figure 3, the non-contact controlling device includes insulated gate bipolar transistor Q1, photoelectrical coupler U1 and three
Pole pipe Q2, triode Q2 model 9013, photoelectrical coupler U1 model H11D1S-TA1, the insulated gate bipolar transistor
The collector of Q1 is connected with the input terminal IN of non-contact controlling device, the emitter and nothing of the insulated gate bipolar transistor Q1
The output end OUT of contact control device is connected, in parallel between the collector and emitter of the insulated gate bipolar transistor Q1
There are diode D1 and capacitor C1,2 ends of the photoelectrical coupler U1 are connected with the grid of insulated gate bipolar transistor Q1, described
3 ends of photoelectrical coupler U1 are connected with+5V voltage source, and+5V the voltage source is provided by BMS battery management system, the photoelectricity
The end K of coupler U1 is connected with the collector of triode Q2, and the end A of the photoelectrical coupler U1 passes through resistance R3 and+5V voltage
Source is connected, and the emitter ground connection of the triode Q2, the collector of the triode Q2 passes through resistance R1 and+5V voltage source phase
Even, the base stage of the triode Q2 is connected by resistance R2 with the control terminal J of non-contact controlling device.
Embodiment two
As shown in Figures 1 to 3, a kind of working method of battery pack contactless control system, it is comprised the following steps:
The control terminal of BMS battery management system outputs control signals to the control terminal J of non-contact controlling device, makes system without deaerator
The control terminal J of device obtains voltage；
According to the voltage that the control terminal J of non-contact controlling device is obtained, conducting and the pass of insulated gate bipolar transistor Q1 are controlled
It is disconnected；
By the turn-on and turn-off of insulated gate bipolar transistor Q1, come control non-contact controlling device output end OUT it is defeated
Out；Wherein,
The voltage obtained according to the control terminal J of the non-contact controlling device, control insulated gate bipolar transistor Q1's
The step of turn-on and turn-off are as follows:
When the control terminal J of non-contact controlling device is high potential, triode Q2 conducting controls photoelectric coupling after triode Q2 conducting
The end K of device U1 becomes low potential by high potential, and 2 ends of photoelectrical coupler U1 export effective enable signal, and insulated gate bipolar is brilliant
Body pipe Q1 is connected after receiving effective enable signal that photoelectrical coupler U1 is exported；When the control terminal J of non-contact controlling device is low
Current potential, triode Q2 shutdown, the end K of photoelectrical coupler U1 are high potential, 2 ends of photoelectrical coupler U1 not output signal, insulation
Grid bipolar junction transistor Q1 shutdown；
The turn-on and turn-off by insulated gate bipolar transistor Q1, to control the output end OUT of non-contact controlling device
Output the step of are as follows:
When insulated gate bipolar transistor Q1 is connected, the battery pack DC voltage of the input terminal IN of non-contact controlling device passes through
Insulated gate bipolar transistor Q1 is exported from the output end OUT of non-contact controlling device；When insulated gate bipolar transistor Q1 is closed
Disconnected, the output end OUT of non-contact controlling device is not exported.
Particular embodiments described above, pair present invention solves the technical problem that, technical scheme and beneficial effects carry out
It is further described, it should be understood that the above is only a specific embodiment of the present invention, is not limited to this
Invention, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this hair
Within bright protection scope.
Claims (3)
1. a kind of battery pack contactless control system characterized by comprising
The sample port of BMS battery management system, the BMS battery management system is connected with battery pack；
Non-contact controlling device, the input terminal of the non-contact controlling device and the positive output end of battery pack and negative output terminal phase
Even, the control terminal of the non-contact controlling device is connected with the control terminal of BMS battery management system, the non-contact controlling device
Output end connect load.
2. battery pack contactless control system according to claim 1, it is characterised in that: the non-contact controlling device packet
Include insulated gate bipolar transistor Q1, photoelectrical coupler U1 and triode Q2, the current collection of the insulated gate bipolar transistor Q1
Pole is connected with the input terminal IN of non-contact controlling device, the emitter and system without deaerator of the insulated gate bipolar transistor Q1
The output end OUT of device is connected, and is parallel with diode between the collector and emitter of the insulated gate bipolar transistor Q1
D1 and capacitor C1,2 ends of the photoelectrical coupler U1 are connected with the grid of insulated gate bipolar transistor Q1, the photoelectric coupling
3 ends of device U1 are connected with+5V voltage source, and the end K of the photoelectrical coupler U1 is connected with the collector of triode Q2, the photoelectricity
The end A of coupler U1 is connected by resistance R3 with+5V voltage source, the emitter ground connection of the triode Q2, the triode Q2
Collector be connected with+5V voltage source by resistance R1, the base stage of the triode Q2 passes through resistance R2 and system without deaerator dress
The control terminal J set is connected.
3. a kind of working method of the battery pack contactless control system as described in any one of claims 1 to 2, feature exist
In it is comprised the following steps:
The control terminal of BMS battery management system outputs control signals to the control terminal J of non-contact controlling device, makes system without deaerator
The control terminal J of device obtains voltage；
According to the voltage that the control terminal J of non-contact controlling device is obtained, conducting and the pass of insulated gate bipolar transistor Q1 are controlled
It is disconnected；
By the turn-on and turn-off of insulated gate bipolar transistor Q1, come control non-contact controlling device output end OUT it is defeated
Out；Wherein,
The voltage obtained according to the control terminal J of the non-contact controlling device, control insulated gate bipolar transistor Q1's
The step of turn-on and turn-off are as follows:
When the control terminal J of non-contact controlling device is high potential, triode Q2 conducting controls photoelectric coupling after triode Q2 conducting
The end K of device U1 becomes low potential by high potential, and 2 ends of photoelectrical coupler U1 export effective enable signal, and insulated gate bipolar is brilliant
Body pipe Q1 is connected after receiving effective enable signal that photoelectrical coupler U1 is exported；When the control terminal J of non-contact controlling device is low
Current potential, triode Q2 shutdown, the end K of photoelectrical coupler U1 are high potential, 2 ends of photoelectrical coupler U1 not output signal, insulation
Grid bipolar junction transistor Q1 shutdown；
The turn-on and turn-off by insulated gate bipolar transistor Q1, to control the output end OUT of non-contact controlling device
Output the step of are as follows:
When insulated gate bipolar transistor Q1 is connected, the battery pack DC voltage of the input terminal IN of non-contact controlling device passes through
Insulated gate bipolar transistor Q1 is exported from the output end OUT of non-contact controlling device；When insulated gate bipolar transistor Q1 is closed
Disconnected, the output end OUT of non-contact controlling device is not exported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910062722.2A CN109435765A (en) | 2019-01-23 | 2019-01-23 | Battery pack contactless control system and working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910062722.2A CN109435765A (en) | 2019-01-23 | 2019-01-23 | Battery pack contactless control system and working method |
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| Publication Number | Publication Date |
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| CN109435765A true CN109435765A (en) | 2019-03-08 |
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ID=65544194
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910062722.2A Pending CN109435765A (en) | 2019-01-23 | 2019-01-23 | Battery pack contactless control system and working method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0720270A2 (en) * | 1994-12-30 | 1996-07-03 | SILICONIX Incorporated | Low-side bidirectional battery disconnect switch |
| CN1725640A (en) * | 2004-07-21 | 2006-01-25 | 夏普株式会社 | Power control photocoupler and electronic device in which the power control photocoupler is used |
| CN201821145U (en) * | 2010-10-20 | 2011-05-04 | 合肥华耀电子工业有限公司 | Non-contact output control protection circuit of electric vehicle charging machine |
| CN102455658A (en) * | 2010-11-01 | 2012-05-16 | 西安众擎电子科技有限公司 | Solid-state controller |
| EP3190680A1 (en) * | 2016-01-07 | 2017-07-12 | Samsung SDI Co., Ltd | Battery protection circuit |
| CN207516805U (en) * | 2017-12-19 | 2018-06-19 | 惠州市爱博智控设备有限公司 | A kind of magnetic powder driving circuit based on PWM outputs |
-
2019
- 2019-01-23 CN CN201910062722.2A patent/CN109435765A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0720270A2 (en) * | 1994-12-30 | 1996-07-03 | SILICONIX Incorporated | Low-side bidirectional battery disconnect switch |
| CN1725640A (en) * | 2004-07-21 | 2006-01-25 | 夏普株式会社 | Power control photocoupler and electronic device in which the power control photocoupler is used |
| CN201821145U (en) * | 2010-10-20 | 2011-05-04 | 合肥华耀电子工业有限公司 | Non-contact output control protection circuit of electric vehicle charging machine |
| CN102455658A (en) * | 2010-11-01 | 2012-05-16 | 西安众擎电子科技有限公司 | Solid-state controller |
| EP3190680A1 (en) * | 2016-01-07 | 2017-07-12 | Samsung SDI Co., Ltd | Battery protection circuit |
| CN207516805U (en) * | 2017-12-19 | 2018-06-19 | 惠州市爱博智控设备有限公司 | A kind of magnetic powder driving circuit based on PWM outputs |
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Application publication date: 20190308 |