CN208530317U - On-board charging system and electrical equipment - Google Patents
On-board charging system and electrical equipment Download PDFInfo
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- CN208530317U CN208530317U CN201820913521.XU CN201820913521U CN208530317U CN 208530317 U CN208530317 U CN 208530317U CN 201820913521 U CN201820913521 U CN 201820913521U CN 208530317 U CN208530317 U CN 208530317U
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- 238000007600 charging Methods 0.000 title claims abstract description 51
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims abstract description 20
- 239000003990 capacitor Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
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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
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T10/72—Electric energy management in electromobility
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of on-board charging system and electrical equipment, on-board charging system include: to connect with battery pack, the voltage conversion circuit for being depressured, boosting；It is connect with voltage conversion circuit, the rectification circuit for DC-AC two-way changing；And the three-phase contactor with three groups of contact switch, three movable contacts are connect with three ac terminals of the rectification circuit respectively, three normally-closed contacts connect three coils of three phase alternating current motor respectively, three normally opened contacts connect three power supply terminals of three-phase alternating-current supply respectively, the one termination three-phase alternating-current supply zero curve contact of the coil of the three-phase contactor, another termination of the coil of three-phase contactor three-phase alternating-current supply firewire contact.Add a two-way voltage conversion circuit between power battery pack and motor driven systems；Charge function is realized with the rectification circuit for carrying out DC-AC two-way changing to charging/discharging voltage, so that an individual charger system is omitted, so that the volume and cost of system can reduce.
Description
Technical field
The utility model belongs to charging circuit technical field more particularly to a kind of on-board charging system and electrical equipment.
Background technique
Currently, on-board charging system generally uses two kinds of forms:
1, using universal isolated Vehicular charger, maximum power is recommended as 6.6KW (220VAC/32A), this is individual event
Isolated charger system, power expansion will account for larger space and volume, this is for passenger car and light-duty logistics passenger train
It is relatively difficult, in addition, will cause three-phase imbalance when more simultaneously chargings；
2, charger control mode complexity, higher cost are done using electric machine controller merely；
As it can be seen that several big problems existing for charging system at this stage: off-board DC charging system power can be done greatly, but at
This height needs to establish charging station system；The current maximum power level of on-board charging system is 6.6KW (220VAC/32A), can be expanded
It is charged to 40KW (380VAC/63A), power is excessive to occupy vehicle larger space, this is to the more sensitive vehicle system of envelope-bulk to weight ratio
It is unacceptable for system.
Utility model content
The utility model provides a kind of on-board charging system and electrical equipment, it is intended to solve in traditional on-board charging system
Existing volume is big, problem at high cost.
A kind of on-board charging system, comprising:
It is connect with battery pack, for being depressured to charging voltage, to the voltage conversion circuit of discharge voltage boosting；
It is connect with voltage conversion circuit, for carrying out the rectification circuit of DC-AC two-way changing to charging/discharging voltage；With
And
Three-phase contactor with three groups of contact switch, the movable contact of three contact switch respectively with the rectified current
Three ac terminals on road connect, and the normally-closed contact of three contact switch connects three coils of three phase alternating current motor respectively,
The normally opened contact of three contact switch connects three power supply terminals of three-phase alternating-current supply, the line of the three-phase contactor respectively
The one termination three-phase alternating-current supply zero curve contact of circle, another termination three-phase alternating current of the coil of the three-phase contactor
Power firestreak contact.
In a wherein embodiment, the rectification circuit is the three phase full wave rectification bridge being made of power switch tube.
In a wherein embodiment, the rectification circuit includes the first power switch tube, the second power switch tube, the
Three power switch tubes, the 4th power switch tube, the 5th power switch tube, the 6th power switch tube, the first power diode, second
Power diode, third power diode, the 4th power diode, the 5th power diode and the 6th power diode, in which:
The hot end of first power switch tube, the hot end of second power switch tube, the third function
The hot end of rate switching tube, the cathode of first power diode, the cathode of second power diode and described
The cathode of three power diodes connects altogether and connect with the plus end of the voltage conversion circuit, the 4th power switch tube it is low
Potential end, the cold end of the 5th power switch tube, the 6th power switch tube cold end, the 4th power
The anode of the anode of diode, the anode of the 5th power diode and the 6th power diode connect altogether and with the electricity
Press the negative terminal connection of translation circuit；The cold end of first power switch tube, first power diode anode,
The hot end of 4th power switch tube and the cathode of the 4th power diode connect altogether and draw A phase ac terminal, described
The cold end of second power switch tube, the anode of second power diode, the 5th power switch tube high potential
The cathode of end and the 5th power diode connects altogether and draws B phase ac terminal, the cold end of the third power switch tube, institute
The anode, the hot end of the 6th power switch tube and the cathode of the 6th power diode for stating third power diode connect altogether
And C phase ac terminal is drawn, it is the control terminal of first power switch tube, the control terminal of second power switch tube, described
The control terminal of third power switch tube, the control terminal of the 4th power switch tube, the control terminal of the 5th power switch tube
And the control terminal of the 6th power switch tube is controlled by switching signal.
In a wherein embodiment, first power switch tube, second power switch tube, the third function
Rate switching tube, the 4th power switch tube, the 5th power switch tube and the 6th power switch tube are IGBT.
In a wherein embodiment, the voltage conversion circuit include current sensor, BOOST-BUCK circuit and
Charging-discharging controller, the input/output terminal of the BOOST-BUCK circuit connected the current sensor and are connecing the battery pack just
Pole, the plus end of the BOOST-BUCK circuit connect the rectification circuit, and the negative terminal of the BOOST-BUCK circuit connects described
The detection of battery electrode, the charging-discharging controller terminates the current sensor, the driving end of the charging-discharging controller
Connect the power switch tube of the BOOST-BUCK circuit.
In a wherein embodiment, the BOOST-BUCK circuit and charging-discharging controller include inductor, the 7th
Power switch tube, the 8th power switch tube, the 7th power diode, the 8th power diode and filter capacitor, in which:
One end of the inductor terminates the current sensor, the electricity as the input and output of BOOST-BUCK circuit
The cold end of another termination of sensor the 7th power switch tube, the anode of the 7th power diode, the described 8th
The cathode of the hot end of power switch tube and the 8th power diode, the 7th power switch tube high potential termination described in
The cathode of 7th power diode and plus end as BOOST-BUCK circuit, the low potential of the 8th power switch tube
It terminates the anode of the 8th power diode and the negative terminal as BOOST-BUCK circuit, the filter capacitor is connected to
Between the plus end and negative terminal of BOOST-BUCK circuit, the control terminal of the 7th power switch tube and the 8th power are opened
The control terminal for closing pipe connects two driving ends of the charging-discharging controller respectively.
It further include a fuse in a wherein embodiment, the fuse is connected to one end of the inductor
Between the battery anode.
In a wherein embodiment, the 7th power switch tube, the 8th power switch tube are IGBT.
In addition, a kind of electrical equipment is additionally provided, including alternating current generator, battery pack and above-mentioned on-board charging system.
Above-mentioned on-board charging system adds a two-way voltage conversion electricity between power battery pack and motor driven systems
Road；Ac-dc conversion function is realized by the rectification circuit of AC-DC two-way changing, is realized by two-way voltage conversion circuit
In addition charging/discharging function also increases to omit an individual charger system so that the volume and cost of system can reduce
Power of motor is added, and energy feedback efficiency can be promoted.
Detailed description of the invention
Fig. 1 is on-board charging system structural schematic diagram provided by the embodiment of the utility model；
Fig. 2 is the exemplary circuit schematic diagram of on-board charging system provided by the embodiment of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Referring to Fig. 1, the on-board charging system in the utility model embodiment includes voltage conversion circuit 11, rectification circuit
12 and three-phase contactor 13.
Voltage conversion circuit 11 is connect with battery pack 10, for being depressured to charging voltage, boosting to discharge voltage；Rectified current
Road 12 is connect with voltage conversion circuit 11, for carrying out DC-AC two-way changing to charging/discharging voltage；Three-phase contactor 13 has
There are three groups of contact switch KM1, KM2, KM3, movable contact KM1-1, KM2-1, KM3- of three described contact switch KM1, KM2, KM3
1 connect with three ac terminals A, B, C of the rectification circuit 12 respectively, and three described contact switch KM1, KM2, KM3's is normal
Closed contact KM1-2, KM2-2, KM3-2 meet three coils M1-1, M1-2, M1-3 of three phase alternating current motor 20 respectively, described in three
Normally opened contact KM1-3, KM2-3, KM3-3 of contact switch KM1, KM2, KM3 connect three power supplys of three-phase alternating-current supply 30 respectively
Terminal L1, L2, L3, the one of the coil KM of the three-phase contactor 13 terminates the three-phase alternating-current supply zero curve contact N, described
Another termination of the coil of three-phase contactor 13 three-phase alternating-current supply firewire contact L1/L2/L3.
Referring to Fig. 2, the rectification circuit 12 is the three-phase being made of power switch tube in a wherein embodiment
Full-wave rectification bridge.It specifically include the power diode composition of three phase full bridge motor driver and its each IGBT driving parallel connection.
Rectification circuit 12 includes the first power switch tube G1, the second power switch tube G2, third power switch tube G3, the 4th
Power switch tube G4, the 5th power switch tube G5, the 6th power switch tube G6, the first power diode D1, two pole of the second power
Pipe D2, third power diode D3, the 4th power diode D4, the 5th power diode D5 and the 6th power diode D6.
The hot end of the first power switch tube G1, the hot end of the second power switch tube G2, described
The hot end of three power switch tube G3, the cathode of the first power diode D1, the second power diode D2 yin
The cathode of pole and the third power diode D3 connect altogether and connect with the plus end of the voltage conversion circuit 11, the described 4th
The cold end of power switch tube G4, the cold end of the 5th power switch tube G5, the 6th power switch tube G6
Cold end, the anode of the 4th power diode D4, the 5th power diode D5 anode and the 6th power
The anode of diode D6 connects altogether and connect with the negative terminal of the voltage conversion circuit 11；The first power switch tube G1's is low
Potential end, the anode of the first power diode D1, the 4th power switch tube G4 hot end and the 4th power two
The cathode of pole pipe D4 connects altogether and draws A phase ac terminal A, cold end, second function of the second power switch tube G2
The cathode of the anode of rate diode D2, the hot end of the 5th power switch tube G5 and the 5th power diode D5 connects altogether
And draw B phase ac terminal B, the cold end of the third power switch tube G3, the third power diode D3 anode,
The hot end of the 6th power switch tube G6 and the cathode of the 6th power diode D6 meet altogether and draw C phase ac terminal C,
The control terminal of the first power switch tube G1, the control terminal of the second power switch tube G2, the third power switch tube
The control terminal of G3, the control terminal of the 4th power switch tube G4, the control terminal of the 5th power switch tube G5 and described
The control terminal of six power switch tube G6 is controlled by switching signal g1, g2, g3, g4, g5, g6.
First power switch tube G1, the second power switch tube G2, the third power switch tube G3, the 4th function
Rate switching tube G4, the 5th power switch tube G5 and the 6th power switch tube G6 are IGBT (Insulated Gate
Bipolar Transistor, insulated gate bipolar transistor), in other embodiments, it can be replaced with metal-oxide-semiconductor, triode
It changes.
In a wherein embodiment, the voltage conversion circuit 11 includes current sensor HL, BOOST-BUCK electricity
Road 111 and charging-discharging controller OBC, the input/output terminal of the BOOST-BUCK circuit 111 connected the current sensor
HL meets the 10 anode P+ of battery pack, and the plus end of the BOOST-BUCK circuit 111 connects the rectification circuit 12, described
The negative terminal of BOOST-BUCK circuit 111 connects the 10 cathode P- of battery pack, the test side of the charging-discharging controller OBC
OBC-1/OBC-2 meets the current sensor HL, and driving end g7, g8 of the charging-discharging controller OBC meets the BOOST-
The power switch tube of BUCK circuit 111.
In a wherein embodiment, the BOOST-BUCK circuit 111 and charging-discharging controller OBC include inductance
Device L, the 7th power switch tube G7, the 8th power switch tube G8, the 7th power diode D7, the 8th power diode D8 and filtering
Capacitor C1.
One end of the inductor L terminates the current sensor HL as the input and output of BOOST-BUCK circuit 111,
The sun of the cold end of another termination of the inductor L the 7th power switch tube G7, the 7th power diode D7
The cathode of pole, the hot end of the 8th power switch tube G8 and the 8th power diode D8, the 7th power switch tube
The high potential of G7 terminates the cathode of the 7th power diode D7 and the plus end as BOOST-BUCK circuit 111, described
The low potential of 8th power switch tube G8 terminates the anode of the 8th power diode D8 and as BOOST-BUCK circuit
111 negative terminal, the filter capacitor C1 are connected between the plus end and negative terminal of BOOST-BUCK circuit 111, and described
The control terminal of seven power switch tube G7 and the control terminal of the 8th power switch tube G8 meet the charging-discharging controller OBC respectively
Two driving ends g7, g8.
It further include a fuse in a wherein embodiment, the fuse is connected to the one of the inductor L
Between end and 10 anode P+ of the battery pack.
In a wherein embodiment, the 7th power switch tube G7, the 8th power switch tube G8 are IGBT.?
In other embodiments, it can be replaced with metal-oxide-semiconductor, triode.
Referring to Fig. 2, working principle describes:
Before not powering on, movable contact KM1-1, KM2-1, KM3-1 of three-phase contactor 13 by normally-closed contact KM1-2,
KM2-2, KM3-2 are connected with three coils M1-1, M1-2, M1-3 of three phase alternating current motor；
When three-phase alternating-current supply 30 powers on, 220V alternating current fire wire L1 and zero curve N are logical to 13 coil KM of three-phase contactor
Electricity, three-phase contactor 13 are attracted, and normally-closed contact KM1-2, KM2-2, KM3-2 and three phase alternating current motor 20 disconnect；Three-phase alternating current
The 380V alternating current in source 30 by three power supply terminals L1, L2, L3 to normally opened contact KM1-3, KM2-3, KM3-3 be applied to by
The three-phase rectification bridge of power diode D1, D2, D3, D4, D5, D6 composition forms Rectified alternating current, then passes through filter capacitor C1
Filtering, DC voltage are applied to two-way DC/DC (BOOST-BUCK) circuit 111, pass through what is be made of two-way DC/DC circuit 111
BUCK decompression charging main circuit (being made of power switch tube G7, power diode D8, inductor L etc.) is filled to power battery pack 10
Electricity, it is general charging modes that BUCK, which is depressured charge control strategy, and the CAN communication agreement that charges is electrokinetic cell system BMS standard rule
It is fixed, it does not do excessively repeat herein.
Above-mentioned on-board charging system adds a two-way voltage conversion between power battery pack 10 and motor driven systems
Circuit 11；Ac-dc conversion function is realized by the rectification circuit 12 of AC-DC two-way changing, passes through two-way voltage conversion electricity
Charging/discharging function is realized on road 11, so that an individual charger system is omitted, so that the volume and cost of system can reduce,
In addition power of motor is also added, and energy feedback efficiency can be promoted.
In addition, a kind of electrical equipment is additionally provided, including alternating current generator, battery pack 10 and above-mentioned on-board charging system.
Compared with traditional technical solution, advantages and beneficial effects possessed by the utility model are as follows:
Due to using two-way DC/DC system module, charging modes can be made more simple, charge efficiency greatly improves；
Alternating-current charging pile power is increased into 40KW by 7KW, almost six times of power increase, and cost only increases by 1/3；
40KW or less DC charging motor is omitted, can be substituted with alternating-current charging pile, since cost is greatly reduced, exchange can be made to fill
Electric system is largely popularized, and the promotion and popularization of electric car are more advantageous to.
The increase of 40KW AC charging system can make to carry the charging 50% in 1 hour of 80 degree of electric electric cars below, and 2 is small
When charging 90% or more, greatly improve the charging time, the charging system have quick charge capability.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (9)
1. a kind of on-board charging system characterized by comprising
It is connect with battery pack, for being depressured to charging voltage, to the voltage conversion circuit of discharge voltage boosting；
It is connect with voltage conversion circuit, for carrying out the rectification circuit of DC-AC two-way changing to charging/discharging voltage；And
Three-phase contactor with three groups of contact switch, the movable contact of three contact switch respectively with the rectification circuit
The connection of three ac terminals, the normally-closed contact of three contact switch connect three coils of three phase alternating current motor respectively, and three
The normally opened contact of the contact switch connects three power supply terminals of three-phase alternating-current supply respectively, the coil of the three-phase contactor
The one termination three-phase alternating-current supply zero curve contact, another termination three-phase alternating-current supply of the coil of the three-phase contactor
Firewire contact.
2. on-board charging system as described in claim 1, which is characterized in that the rectification circuit is by power switch tube, function
The three phase full wave rectification bridge that rate diode is constituted.
3. on-board charging system as claimed in claim 2, which is characterized in that the rectification circuit includes the first power switch
Pipe, the second power switch tube, third power switch tube, the 4th power switch tube, the 5th power switch tube, the 6th power switch
Pipe, the first power diode, the second power diode, third power diode, the 4th power diode, the 5th power diode
And the 6th power diode, in which:
The hot end of first power switch tube, the hot end of second power switch tube, the third power are opened
Close the cathode and the third function of the hot end of pipe, the cathode of first power diode, second power diode
The cathode of rate diode connects altogether and connect with the plus end of the voltage conversion circuit, the low potential of the 4th power switch tube
End, the cold end of the 5th power switch tube, the cold end of the 6th power switch tube, two pole of the 4th power
The anode of the anode of pipe, the anode of the 5th power diode and the 6th power diode connects altogether and becomes with the voltage
Change the negative terminal connection of circuit；The anode, described of the cold end of first power switch tube, first power diode
The hot end of 4th power switch tube and the cathode of the 4th power diode connect altogether and draw A phase ac terminal, and described second
The cold end of power switch tube, the anode of second power diode, the 5th power switch tube hot end and
The cathode of 5th power diode connects altogether and draws B phase ac terminal, the cold end of the third power switch tube, described
The cathode of the anode of three power diodes, the hot end of the 6th power switch tube and the 6th power diode connects and draws altogether
C phase ac terminal out, the control terminal of first power switch tube, the control terminal of second power switch tube, the third
The control terminal of power switch tube, the control terminal of the 4th power switch tube, the control terminal of the 5th power switch tube and institute
The control terminal for stating the 6th power switch tube is controlled by switching signal.
4. on-board charging system as claimed in claim 3, which is characterized in that first power switch tube, second function
Rate switching tube, the third power switch tube, the 4th power switch tube, the 5th power switch tube and the 6th function
Rate switching tube is IGBT.
5. such as the described in any item on-board charging systems of Claims 1-4, which is characterized in that the voltage conversion circuit includes
The input/output terminal of current sensor, BOOST-BUCK circuit and charging-discharging controller, the BOOST-BUCK circuit was connected
The current sensor connects the battery anode, and the plus end of the BOOST-BUCK circuit connects the rectification circuit, described
The negative terminal of BOOST-BUCK circuit connects the battery electrode, and the detection of the charging-discharging controller terminates the current sense
Device, the driving of the charging-discharging controller terminate the power switch tube of the BOOST-BUCK circuit.
6. on-board charging system as claimed in claim 5, which is characterized in that the BOOST-BUCK circuit and charge and discharge control
Device includes inductor, the 7th power switch tube, the 8th power switch tube, the 7th power diode, the 8th power diode and filter
Wave capacitor, in which:
One end of the inductor terminates the current sensor, the inductor as the input and output of BOOST-BUCK circuit
The cold end of another termination the 7th power switch tube, the 7th power diode anode, the 8th power
The cathode of the hot end of switching tube and the 8th power diode, the high potential termination the described 7th of the 7th power switch tube
The low potential of the cathode of power diode and plus end as BOOST-BUCK circuit, the 8th power switch tube terminates institute
The anode of the 8th power diode and the negative terminal as BOOST-BUCK circuit are stated, the filter capacitor is connected to BOOST-
Between the plus end and negative terminal of BUCK circuit, the control terminal of the 7th power switch tube and the 8th power switch tube
Control terminal connects two driving ends of the charging-discharging controller respectively.
7. on-board charging system as claimed in claim 6, which is characterized in that it further include a fuse, the fuse connection
Between one end and the battery anode of the inductor.
8. on-board charging system as claimed in claim 6, which is characterized in that the 7th power switch tube, the 8th power are opened
Closing pipe is IGBT.
9. a kind of electrical equipment, including alternating current generator and battery pack, which is characterized in that further include any one of claim 1 to 8 institute
The on-board charging system stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820913521.XU CN208530317U (en) | 2018-06-13 | 2018-06-13 | On-board charging system and electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820913521.XU CN208530317U (en) | 2018-06-13 | 2018-06-13 | On-board charging system and electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208530317U true CN208530317U (en) | 2019-02-22 |
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ID=65390636
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820913521.XU Active CN208530317U (en) | 2018-06-13 | 2018-06-13 | On-board charging system and electrical equipment |
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| CN (1) | CN208530317U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112389227A (en) * | 2019-08-15 | 2021-02-23 | 比亚迪股份有限公司 | Energy conversion device and vehicle |
-
2018
- 2018-06-13 CN CN201820913521.XU patent/CN208530317U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112389227A (en) * | 2019-08-15 | 2021-02-23 | 比亚迪股份有限公司 | Energy conversion device and vehicle |
| CN112389227B (en) * | 2019-08-15 | 2022-03-18 | 比亚迪股份有限公司 | Energy conversion device and vehicle |
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