CN206908321U - The battery charging and discharging road of two-in-one high-tension apparatus with DC/DC converters and charger - Google Patents
The battery charging and discharging road of two-in-one high-tension apparatus with DC/DC converters and charger Download PDFInfo
- Publication number
- CN206908321U CN206908321U CN201720500939.3U CN201720500939U CN206908321U CN 206908321 U CN206908321 U CN 206908321U CN 201720500939 U CN201720500939 U CN 201720500939U CN 206908321 U CN206908321 U CN 206908321U
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- Prior art keywords
- tension apparatus
- controlling switch
- controlling
- battery
- preliminary filling
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses the battery charging and discharging road with DC/DC converters and the two-in-one high-tension apparatus of charger, including for controlling the first controlling switch of battery main circuit break-make；The positive and negative output interface of high-tension apparatus, and for controlling the second controlling switch of its break-make；The resistance in parallel with the second controlling switch, and the preliminary filling controlling switch of control resistance break-make；For controlling the 3rd controlling switch of two-in-one high-tension apparatus break-make；Battery management system is used to control above-mentioned everything component working；The electrode input end of wherein two-in-one high-tension apparatus is also electrically connected in the circuit between the second controlling switch and the positive and negative output interface of high-tension apparatus by a counnter attack diode.The utility model is realized before charge first to the high-tension apparatus preliminary filling of unlatching, while avoid loading high pressure as the positive and negative output interface of high-tension apparatus mainly exported to what is do not worked in the charging stage again only with the preliminary filling loop of one-level.
Description
Technical field
It the utility model is related to battery system technical field, two conjunctions more particularly to DC/DC converters and charger
The battery charging and discharging road of one high-tension apparatus.
Background technology
Energy shortage and environmental degradation problem getting worse, the exploitation of new energy vehicle is increasingly by the extensive pass of all circles
Note, in this case, pollute small, zero-emission pure electric automobile necessarily one of following most important vehicles.
At present, the electrokinetic cell of electric automobile is usually a few hectovolt high pressures, and the high-tension apparatus of automobile（Such as air-conditioning, drive
Dynamic motor）Upper generally all to carry high-voltage capacitance, electric capacity is short-circuit in charging zero-time, and now battery bag may produce up to count
The high current of kilo-ampere.To avoid producing high current, main flow uses charges to peace to electric capacity in advance in loop increase preliminary filling electrical circuit
Full voltage is closed again major loop relay, avoids the occurrence of safety problem.
With market development, the two-in-one high-tension apparatus that DC/DC converters integrate with charger is more and more applied
Electric automobile industry, the DC/DC converters connect on Vehicular direct-current power supply are the direct current that the DC power conversion of high pressure is low pressure
Electricity, to be powered to low-voltage equipment.Ensure discharge process can high pressure on normal pre-charge, to two-in-one height when ensureing charging again
Equipment preliminary filling is pressed, generally uses multistage preliminary filling loop at present.And if designing the preliminary filling loop of multistage on circuit, then increase greatly
BMS is added（Battery management system）The complexity of preliminary filling management.Therefore a kind of preliminary filling loop of only one-level is invented, before charge
First to high-tension apparatus preliminary filling, while avoid other not being opened in the charging stage preliminary filling loop design of equipment loading high pressure again,
Development to promoting electric automobile, plays the role of very positive.
Utility model content
The battery charging and discharging of two-in-one high-tension apparatus provided by the utility model with DC/DC converters and charger
Road, only with the preliminary filling loop of one-level, realize before charge first to the high-tension apparatus preliminary filling of unlatching again, while avoid charging
Stage loads high pressure to what is do not worked as the positive and negative output interface of high-tension apparatus mainly exported.
To achieve these goals, the technical solution of the utility model is as follows：
The battery charging and discharging road of two-in-one high pressure with DC/DC converters and charger, including：
For controlling the first controlling switch of battery main circuit break-make；
It is connected to the positive and negative output interface of high-tension apparatus with the first electric capacity of battery plus-negative plate；
For controlling the second controlling switch of the positive and negative output interface break-make of the high-tension apparatus；
The resistance in parallel with second controlling switch；
For controlling the preliminary filling controlling switch of the resistance break-make；
It is connected to the two-in-one high-tension apparatus with the second electric capacity of battery plus-negative plate；
For controlling the 3rd controlling switch of the two-in-one high-tension apparatus break-make；And
For controlling first controlling switch, second controlling switch, the 3rd controlling switch and described two to close
The battery management system of one high-tension apparatus work；
The electrode input end of wherein described two-in-one high-tension apparatus is also electrically connected to described second by a counnter attack diode
In circuit between controlling switch and the positive and negative output interface of the high-tension apparatus, the counnter attack diode is used to prevent electric current from institute
The electrode input end for stating two-in-one high-tension apparatus flows backwards.
As a further improvement, the voltage that the battery management system is additionally operable to gather the first controlling switch both ends is big
The voltage swing at small and described second controlling switch both ends；The battery management system detects the first controlling switch both ends
Judge that preliminary filling terminates when voltage and stable the second controlling switch both end voltage.
As a further improvement, the battery management system is used for after judging that preliminary filling terminates and by presetting one section
After time, the preliminary filling controlling switch is controlled to disconnect.
As a further improvement, the counnter attack diode is serially connected with fuse.
After such scheme, the utility model only has the preliminary filling loop of one-level, and battery discharge procedure is：Battery management system
The first controlling switch of system control is connected with preliminary filling controlling switch, and now counnter attack diode current flow, gives the first electric capacity and second in advance
Electric capacity charges, and then controls the second controlling switch to connect, and disconnects preliminary filling controlling switch.
Charging process is：Battery management system controls two-in-one high-tension apparatus, controls the first controlling switch and preliminary filling control
Switch connection, now counnter attack diode current flow, charges to the first electric capacity and the second electric capacity in advance, and then battery management system controls
Two-in-one high-tension apparatus work, the 3rd controlling switch of control is connected, and disconnects preliminary filling controlling switch, now two-in-one high-tension apparatus
Battery charging is given, while as the input power of DC/DC converters.It is as long as the second controlling switch access failure, i.e., high during charging
The pressure positive and negative output interface of equipment is not used, then because the reverse cut-off of counnter attack diode acts on, two-in-one high-tension apparatus will not
Act on the positive and negative output interface of high-tension apparatus；And during the connection of the second controlling switch, two-in-one high-tension apparatus can then pass through the second control
Switch processed gives high-tension apparatus positive and negative output interface power supply.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment.
Label declaration
Preliminary filling controlling switch 1, the second controlling switch 2, the 3rd controlling switch 3, the first controlling switch 4, battery management system
5, resistance 6, counnter attack diode 7, battery 8, two-in-one high-tension apparatus 9, the positive and negative output interface 10 of high-tension apparatus, the first electric capacity 11,
Second electric capacity 12.
Embodiment
In order to which the technical solution of the utility model is explained further, the utility model is entered below by specific embodiment
Row elaborates.
As shown in figure 1, it is the two-in-one high-tension apparatus with DC/DC converters and charger that the utility model discloses
Battery charging and discharging road, mainly include preliminary filling controlling switch 1, the first controlling switch 4, the positive and negative output interface 10, second of high-tension apparatus
Controlling switch 2, resistance 6, two-in-one high-tension apparatus 9, the 3rd controlling switch 3, battery management system 5 and counnter attack diode 7.
First controlling switch 4 is used to control the main circuit break-make of battery 8, is preferably attached at the negative pole end of battery 8；
The positive and negative output interface 10 of high-tension apparatus has the first electric capacity 11 of protection, and the positive and negative output interface 10 of high-tension apparatus connects
It is connected to the both positive and negative polarity of battery 8.High-tension apparatus as described herein refer to without decompression processing and directly and the setting of being connected of Vehicular battery 8
It is standby, 300-340V is generally for electric vehicle.
Second controlling switch 2 is used for the break-make for controlling the positive and negative output interface 10 of high-tension apparatus.
Resistance 6 is in parallel with the second controlling switch 2.
Preliminary filling controlling switch 1 is used for the break-make for controlling resistance 6.
Above-mentioned two-in-one high-tension apparatus 9 has the second electric capacity 12 of protection, and two-in-one high-tension apparatus 9 is connected to battery 8
Both positive and negative polarity.
3rd controlling switch 3 is used to control the break-make of two-in-one high-tension apparatus 9.
Battery management system 5 is used to control the first controlling switch 4, the second controlling switch 2, the 3rd controlling switch 3 and two to close
One high-tension apparatus 9 works；
The electrode input end of wherein two-in-one high-tension apparatus 9 is also electrically connected to the second control by a counnter attack diode 7 and opened
Close in the circuit between 2 and the positive and negative output interface 10 of high-tension apparatus, counnter attack diode 7 is used to prevent electric current from the two-in-one height
The electrode input end of equipment 9 is pressed to flow backwards.
The discharge process of battery 8 is：Battery management system 5 controls the first controlling switch 4 to be connected with preliminary filling controlling switch 1, this
When counnter attack diode 7 turn on, charged in advance to the first electric capacity 11 and the second electric capacity 12, then control the second controlling switch 2 to connect,
Disconnect preliminary filling controlling switch 1.
Charging process is：Battery management system 5 controls two-in-one high-tension apparatus 9, controls the first controlling switch 4 and preliminary filling control
System switch 1 is connected, and now counnter attack diode 7 turns on, and is charged in advance to the first electric capacity 11 and the second electric capacity 12, then controls two to close
One high-tension apparatus 9 is worked, and the 3rd controlling switch 3 of control is connected, and disconnects preliminary filling controlling switch 1, now two-in-one high-tension apparatus 9
Battery 8 is given to charge, while as the input power of DC/DC converters.During charging, as long as the access failure of the second controlling switch 2, i.e.,
The positive and negative output interface 10 of high-tension apparatus is not used, then because the reverse cut-off of counnter attack diode 7 acts on, two-in-one high-tension apparatus
9 will not act on the positive and negative output interface 10 of high-tension apparatus；And during the connection of the second controlling switch 2, two-in-one high-tension apparatus 9 can then lead to
Cross the second controlling switch 2 and give the positive and negative output interface 10 of high-tension apparatus and power.
As another preferred embodiment, battery management system 5 is additionally operable to gather the voltage swing at the both ends of the first controlling switch 4
With the voltage swing at the both ends of the second controlling switch 2.Battery management system 5 detects the both end voltage of the first controlling switch 4 and second
When the both end voltage of controlling switch 2 is stable, judge that preliminary filling terminates.
As another preferred embodiment, battery management system 5 is judging that preliminary filling terminates and pass through presetting a period of time
Afterwards, then preliminary filling controlling switch 1 is controlled to disconnect, presetting a period of time can set as needed, preferably may be set to
500ms。
As another preferred embodiment, counnter attack diode 7 is also serially connected with fuse.
Preferred embodiment of the present utility model is these are only, not to the restriction of the scope of protection of the utility model.It is all according to
The equivalent variations that the mentality of designing of this case is done, each fall within the protection domain of this case.
Claims (4)
1. the battery charging and discharging road of the two-in-one high-tension apparatus with DC/DC converters and charger, it is characterised in that including：
For controlling the first controlling switch of battery main circuit break-make；
It is connected to the positive and negative output interface of high-tension apparatus with the first electric capacity of battery plus-negative plate；
For controlling the second controlling switch of the positive and negative output interface break-make of the high-tension apparatus；
The resistance in parallel with second controlling switch；
For controlling the preliminary filling controlling switch of the resistance break-make；
It is connected to the two-in-one high-tension apparatus with the second electric capacity of battery plus-negative plate；
For controlling the 3rd controlling switch of the two-in-one high-tension apparatus break-make；And
For controlling first controlling switch, second controlling switch, the 3rd controlling switch and the two-in-one height
Press the battery management system of equipment work；
The electrode input end of wherein described two-in-one high-tension apparatus is also electrically connected to second control by a counnter attack diode
In circuit between switch and the positive and negative output interface of the high-tension apparatus, the counnter attack diode is used to prevent electric current from described two
The electrode input end for unifying high-tension apparatus flows backwards.
2. the battery charging and discharging road of the two-in-one high-tension apparatus as claimed in claim 1 with DC/DC converters and charger,
It is characterized in that：
The battery management system is additionally operable to gather the voltage swing at the first controlling switch both ends and second control is opened
Close the voltage swing at both ends；
The battery management system detects the first controlling switch both end voltage and the second controlling switch both end voltage
Judge that preliminary filling terminates when stable.
3. the battery charging and discharging road of the two-in-one high-tension apparatus as claimed in claim 2 with DC/DC converters and charger,
It is characterized in that：
The battery management system is used for after judging that preliminary filling terminates and after presetting a period of time, controls the preliminary filling
Controlling switch disconnects.
4. the battery charging and discharging road of the two-in-one high-tension apparatus as claimed in claim 1 with DC/DC converters and charger,
It is characterized in that：The counnter attack diode is serially connected with fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720500939.3U CN206908321U (en) | 2017-05-08 | 2017-05-08 | The battery charging and discharging road of two-in-one high-tension apparatus with DC/DC converters and charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720500939.3U CN206908321U (en) | 2017-05-08 | 2017-05-08 | The battery charging and discharging road of two-in-one high-tension apparatus with DC/DC converters and charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206908321U true CN206908321U (en) | 2018-01-19 |
Family
ID=61288449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720500939.3U Expired - Fee Related CN206908321U (en) | 2017-05-08 | 2017-05-08 | The battery charging and discharging road of two-in-one high-tension apparatus with DC/DC converters and charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206908321U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265734A (en) * | 2019-06-14 | 2019-09-20 | 湖南科霸汽车动力电池有限责任公司 | 48V track battery voltage monitor |
-
2017
- 2017-05-08 CN CN201720500939.3U patent/CN206908321U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265734A (en) * | 2019-06-14 | 2019-09-20 | 湖南科霸汽车动力电池有限责任公司 | 48V track battery voltage monitor |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 Termination date: 20200508 |
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| CF01 | Termination of patent right due to non-payment of annual fee |