CN108808774A - On-board high-voltage switching device, method, electronic equipment, storage medium - Google Patents
On-board high-voltage switching device, method, electronic equipment, storage medium Download PDFInfo
- Publication number
- CN108808774A CN108808774A CN201810587317.8A CN201810587317A CN108808774A CN 108808774 A CN108808774 A CN 108808774A CN 201810587317 A CN201810587317 A CN 201810587317A CN 108808774 A CN108808774 A CN 108808774A
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- Prior art keywords
- voltage
- controlling brancher
- supply convertor
- relay
- board high
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 239000003990 capacitor Substances 0.000 claims description 8
- 238000004590 computer program Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0034—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting circuits
-
- H02J7/027—
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides on-board high-voltage switching device, including charger, supply convertor, control circuit, charger is connect with supply convertor, the output end of supply convertor is connect by control circuit with load one end, the input terminal of supply convertor is connect with the load other end, load includes vehicle mounted dynamic battery and heating element, control circuit includes the first controlling brancher and the second controlling brancher, first controlling brancher is in parallel with the second controlling brancher, first controlling brancher is used to adjust the voltage of the second controlling brancher when vehicle mounted dynamic battery just connects, second controlling brancher is used to control the break-make of supply convertor and load connection, charger is used to detect the output end voltage of supply convertor, control the voltage that the first controlling brancher adjusts the second controlling brancher, control the break-make of the second controlling brancher.The invention further relates to on-board high-voltage switching method, electronic equipment, storage mediums.The present invention by low-voltage relay realize on-board high-voltage switching, it is at low cost, small, loss it is small.
Description
Technical field
The present invention relates to technical field of automotive electronics more particularly to on-board high-voltage switching device, method, electronic equipment, deposit
Storage media.
Background technology
Currently, new-energy automobile becomes future automobile industrial expansion direction increasingly, new-energy automobile is by the more than ten years
Development of globalization, battery boosting technology have rapid progress, people gradually to reach to the electric energy supply mode of pure electric automobile
Common recognition.In the prior art, Vehicular charger mostly uses greatly single-phase 220V and inputs, battery reversal connection in order to prevent, in actual use
Through frequently with to top metal-oxide-semiconductor or relay do switch control, making switch using the metal-oxide-semiconductor to top, there are of high cost, loss is big
Defect, most of charger producers not use this scheme, using relay do switch control when exporting high pressure, it would be desirable to be able to
The relay of break-make high pressure, of high cost, volume is big, and therefore, there is an urgent need for a kind of on-board high-voltages at low cost, small, that loss is small to cut
Changing device and method.
Invention content
The present invention is based at least one above-mentioned technical problem, it is proposed that on-board high-voltage switching device, method, electronics are set
Standby, storage medium controls the break-make of pressure common relay by the combination of hardware and software so that the conducting of relay and pass
The disconnected switching for not being related to high pressure realizes the purpose using common low-voltage relay switching high pressure to protective relay.
In order to achieve the above objectives, the present invention provides on-board high-voltage switching device, including charger, supply convertor, control
Circuit, the charger are connect with the supply convertor, the output end of the supply convertor by the control circuit with
One end connection is loaded, the input terminal of the supply convertor is connect with the load other end, and the load includes onboard power
Battery and heating element, the control circuit include the first controlling brancher and the second controlling brancher, first controlling brancher with
Second controlling brancher is in parallel, and first controlling brancher is for adjusting described second when the vehicle mounted dynamic battery just connects
The voltage of controlling brancher, second controlling brancher are used to control the break-make of the supply convertor and the load connection, institute
State output end voltage, the control first controlling brancher adjusting second control of the charger for detecting the supply convertor
The voltage of branch processed, the break-make of control second controlling brancher.
Further, the first reversal connection branch includes diode and resistance, and the resistance connects with the diode cathode
It connects, the diode cathode is connected with the load, and the resistance is connect with the output end of the supply convertor.
Further, second controlling brancher includes relay, and control coil one end of the relay is born with described
Connection is carried, the control coil other end of the relay is connect with the output end of the supply convertor.
Further, further include filter circuit, one end of the filter circuit and the output end of the supply convertor connect
It connects, the other end of the filter circuit is connect with the input terminal of the supply convertor.
Further, the relay is specially low-voltage relay, and the filter circuit includes filter capacitor, the filtering
The anode of capacitance is connect with the output end of the supply convertor, and the cathode of the filter capacitor is defeated with the supply convertor
Enter end connection.
On-board high-voltage switching method is applied in on-board high-voltage switching device, and the on-board high-voltage switching device includes filling
Motor, supply convertor, control circuit, the described method comprises the following steps：
Voltage is detected, the voltage for the machine testing supply convertor output end that charges is controlled if the output end voltage is negative pressure
The disconnection of the second controlling brancher is made, if the output end voltage is positive pressure, gos to step and adjusts voltage；
It adjusts voltage and passes through supply convertor tune when the charger detects the voltage at the first controlling brancher both ends
It is equal to save the first controlling brancher both end voltage, controls the second controlling brancher conducting；
Charging detection, when vehicle mounted dynamic battery charging complete, the charger is controlled according to the shutdown command received
The supply convertor shutdown, controls second controlling brancher and disconnects.
Further, it further includes when charger detects the diode of first controlling brancher that the step, which adjusts voltage,
When with there is voltage on resistance, the supply convertor rises to the voltage of the resistance equal with the voltage of the diode.
Further, it further includes the relay that the charger controls second controlling brancher that the step, which adjusts voltage,
Coil is attracted with contact；The step charging detection further includes the relay line that the charger controls second controlling brancher
Circle is disconnected with contact；Further include step computer heating control, when the charger receives heating mode instruction, according to what is received
Power-on instruction is switched on, and the relay coil and contact for controlling second controlling brancher are attracted, and are controlled the supply convertor and are opened
It opens, is shut down according to the shutdown command received, control the supply convertor and close, control the relay of second controlling brancher
Device coil is disconnected with contact.
A kind of electronic equipment, including memory, processor and storage are on a memory and the meter that can run on a processor
The step of calculation machine program, the processor realizes above-mentioned on-board high-voltage switching method when executing described program.
A kind of computer readable storage medium, is stored thereon with computer program, and the computer program is held by processor
The step of above-mentioned on-board high-voltage switching method is realized when row.
Compared with prior art, advantage of the invention is that：The present invention provides on-board high-voltage switching device, including charging
Mechanical, electrical source converter, control circuit, charger are connect with supply convertor, and the output end of supply convertor passes through control circuit
It is connect with load one end, the input terminal of supply convertor is connect with the load other end, and load includes vehicle mounted dynamic battery and heating
Element, control circuit include the first controlling brancher and the second controlling brancher, and the first controlling brancher is in parallel with the second controlling brancher, the
One controlling brancher is used to adjust the voltage of the second controlling brancher when vehicle mounted dynamic battery just connects, and the second controlling brancher is for controlling
The break-make of supply convertor and load connection, charger are used to detect the output end voltage of supply convertor, the first control of control
Branch adjusts the voltage of the second controlling brancher, controls the break-make of the second controlling brancher.The invention further relates to on-board high-voltage switching sides
Method, electronic equipment, storage medium.The present invention controls the break-make of pressure common relay by the combination of hardware and software so that
The turn-on and turn-off of relay are not related to the switching of high pressure, to protective relay, realize and use common low pressure relay
Device switch high pressure purpose, it is at low cost, small, loss it is small.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after coordinating attached drawing to be described in detail such as.
The specific implementation mode of the present invention is shown in detail by following embodiment and its attached drawing.
Description of the drawings
It is described in further detail below in conjunction with the accompanying drawings with embodiments of the present invention.
Fig. 1 is the on-board high-voltage switching device structural schematic diagram of the present invention；
Fig. 2 is the on-board high-voltage switching device circuit diagram of the embodiment of the present invention；
Fig. 3 is the on-board high-voltage switching method flow chart of the present invention.
In figure：1, diode；2, resistance；3, relay；4, filter capacitor.
Specific implementation mode
Understand to make the objectives, technical solutions, and advantages of the present invention more remove, it is with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the present invention, not
For limiting the present invention.
On-board high-voltage switching device, as shown in Figure 1, including:Charger, supply convertor, control circuit, charger and electricity
Source converter connects, and the output end of supply convertor is connect by control circuit with load one end, the input terminal of supply convertor
Connect with the load other end, load includes vehicle mounted dynamic battery and heating element, and control circuit includes the first controlling brancher and the
Two controlling branchers, the first controlling brancher is in parallel with the second controlling brancher, and the first controlling brancher is used to just connect when vehicle mounted dynamic battery
When adjust the voltage of the second controlling brancher, the second controlling brancher is used to control the break-make of supply convertor and load connection, charging
Machine is used to detect the output end voltage of supply convertor, the first controlling brancher of control adjusts the voltage of the second controlling brancher, control
The break-make of second controlling brancher.
In one embodiment, as shown in Figure 2, it is preferred that the first reversal connection branch includes diode 1 and resistance 2, the present embodiment
In, diode 1 is soft start diode, and resistance 2 is soft start resistance, and resistance 2 is connect with 1 cathode of diode, 1 anode of diode
It is connected with load, resistance 2 is connect with the output end of supply convertor.
In one embodiment, it is preferred that the second controlling brancher includes relay 3, control coil one end of relay 3 with it is negative
Connection is carried, the control coil other end of relay 3 and the output end of supply convertor connect.
In one embodiment, it is preferred that further include filter circuit, one end of filter circuit and the output end of supply convertor
Connection, the other end of filter circuit and the input terminal of supply convertor connect.
In one embodiment, it is preferred that relay is specially low-voltage relay, and filter circuit includes filter capacitor 4, filtering
The anode of capacitance 4 is connect with the output end of supply convertor, and the cathode of filter capacitor 4 and the input terminal of supply convertor connect.
In one embodiment, the on-board high-voltage switching device course of work is as follows：
When load is vehicle mounted dynamic battery, if vehicle mounted dynamic battery reversal connection, the negative pressure of vehicle mounted dynamic battery is added in first
On the diode 1 of reversal connection branch, diode 1 is closed, and charger detects the negative pressure of output end, and control relay 3 is not attracted, real
The battery reverse connecting protection of existing charger；
If vehicle mounted dynamic battery connection is normal, the voltage of vehicle mounted dynamic battery is loaded by B points by diode 1, resistance 2
A points；After charger detects that A points and B points have voltage, control supply convertor work rises to A point voltages and B point voltages
It is equal, i.e., so that the voltage difference on relay 3 is 0, then the actuation of relay 3 is controlled, realizes that the no-voltage of relay 3 is attracted, make
The turn-on and turn-off for obtaining relay 3 are not related to the switching of high pressure, to protective relay 3, realize and use common low pressure
Relay switches the purpose of high pressure.
If vehicle mounted dynamic battery charging complete, charger receives shutdown command, and control supply convertor shuts down, at this time A points
Pressure difference between B points is 0, electric current 0, then controls relay 3 and disconnects, and realizes that the no-voltage of relay 3, zero current are disconnected
It opens；
If load is heating element, in the present embodiment, heating element is specially resistance, does not hang battery in its heating mode,
Resistance is hung, after charger receives power-on instruction, relay 3 is first controlled and is attracted, relay 3 is inhaled under no-voltage, zero current at this time
It closes, then controls supply convertor and open；After charger receives shutdown command, power supply changeover device, output voltage electric current are first closed
0 is all quickly dropped to, relay 3 is then controlled and disconnects, realizes that the no-voltage of relay 3, zero current disconnect；Pass through software and hardware group
It closes, realizes that the protection to relay 3, realization switch the purpose of 400V high pressures with low-voltage relay.
On-board high-voltage switching method, be applied to on-board high-voltage switching device in, on-board high-voltage switching device include charger,
Supply convertor, control circuit, method include the following steps：
As shown in figure 3, including the following steps：
Voltage is detected, the voltage for the machine testing supply convertor output end that charges controls the if output end voltage is negative pressure
Two controlling branchers disconnect, if output end voltage is positive pressure, gos to step and adjust voltage；
Voltage is adjusted, when charger detects the voltage at the first controlling brancher both ends, supply convertor adjusts the first control
Branch both end voltage processed is equal, control the second controlling brancher conducting；
Charging detection, when vehicle mounted dynamic battery charging complete, charger controls power supply according to the shutdown command received
Inverter off, the second controlling brancher of control disconnect.
In one embodiment, it is preferred that it further includes when charger detects the two of the first controlling brancher that step, which adjusts voltage,
When having voltage on pole pipe and resistance, supply convertor rises to the voltage of resistance equal with the voltage of diode.
In one embodiment, it is preferred that it further includes the relay that charger controls the second controlling brancher that step, which adjusts voltage,
Coil is attracted with contact；Step charging detection further includes that the relay coil of charger the second controlling brancher of control breaks with contact
It opens；Further include step computer heating control, when charger receives heating mode instruction, be switched on according to the power-on instruction received,
The relay coil and contact for controlling the second controlling brancher are attracted, and control supply convertor is opened, and is referred to according to the shutdown received
Shutdown, control supply convertor is enabled to close, the relay coil and contact for controlling the second controlling brancher disconnect.
A kind of electronic equipment, including memory, processor and storage are on a memory and the meter that can run on a processor
The step of calculation machine program, processor realizes above-mentioned on-board high-voltage switching method when executing program.
A kind of computer readable storage medium is stored thereon with computer program, when computer program is executed by processor
The step of realizing above-mentioned on-board high-voltage switching method.
The present invention provides on-board high-voltage switching device, including charger, supply convertor, control circuit, charger and electricity
Source converter connects, and the output end of supply convertor is connect by control circuit with load one end, the input terminal of supply convertor
Connect with the load other end, load includes vehicle mounted dynamic battery and heating element, and control circuit includes the first controlling brancher and the
Two controlling branchers, the first controlling brancher is in parallel with the second controlling brancher, and the first controlling brancher is used to just connect when vehicle mounted dynamic battery
When adjust the voltage of the second controlling brancher, the second controlling brancher is used to control the break-make of supply convertor and load connection, charging
Machine is used to detect the output end voltage of supply convertor, the first controlling brancher of control adjusts the voltage of the second controlling brancher, control
The break-make of second controlling brancher.The invention further relates to on-board high-voltage switching method, electronic equipment, storage mediums.The present invention passes through
The break-make of the combination control pressure common relay of hardware and software so that the turn-on and turn-off of relay are not related to high pressure
Switching realizes the purpose using common low-voltage relay switching high pressure, at low cost, small, damage to protective relay
It consumes small.
Each technical characteristic of above example can be combined arbitrarily, to keep description succinct, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield is all considered to be the range of this specification record.
Only several embodiments of the present invention are expressed for above example, the description thereof is more specific and detailed, but can not
Therefore it is construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art,
Under the premise of not departing from present inventive concept, various modifications and improvements can be made, these are all within the scope of protection of the present invention.
Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. on-board high-voltage switching device, it is characterised in that：Including charger, supply convertor, control circuit, the charger with
The output end of the supply convertor connection, the supply convertor is connect by the control circuit with load one end, described
The input terminal of supply convertor is connect with the load other end, and the load includes vehicle mounted dynamic battery and heating element, institute
It includes the first controlling brancher and the second controlling brancher to state control circuit, and first controlling brancher and second controlling brancher are simultaneously
Connection, first controlling brancher are used to adjust the voltage of second controlling brancher, institute when the vehicle mounted dynamic battery just connects
Break-make of second controlling brancher for controlling the supply convertor and the load connection is stated, the charger is for detecting institute
State the output end voltage of supply convertor, control first controlling brancher adjusts the voltage of second controlling brancher, control
The break-make of second controlling brancher.
2. on-board high-voltage switching device as described in claim 1, it is characterised in that：The first reversal connection branch includes diode
And resistance, the resistance are connect with the diode cathode, the diode cathode is connected with the load, the resistance and institute
State the output end connection of supply convertor.
3. on-board high-voltage switching device as claimed in claim 2, it is characterised in that：Second controlling brancher includes relay
Device, control coil one end of the relay are connected with the load, the control coil other end of the relay and institute
State the output end connection of supply convertor.
4. on-board high-voltage switching device as claimed in claim 3, it is characterised in that：Further include filter circuit, the filtered electrical
The one end on road is connect with the output end of the supply convertor, and the other end of the filter circuit is defeated with the supply convertor
Enter end connection.
5. on-board high-voltage switching device as claimed in claim 4, it is characterised in that：The relay is specially low pressure relay
Device, the filter circuit include filter capacitor, and the anode of the filter capacitor is connect with the output end of the supply convertor, institute
The cathode for stating filter capacitor is connect with the input terminal of the supply convertor.
6. on-board high-voltage switching method is applied in on-board high-voltage switching device, the on-board high-voltage switching device includes charging
Mechanical, electrical source converter, control circuit, which is characterized in that the described method comprises the following steps：
Voltage is detected, the voltage for the machine testing supply convertor output end that charges controls the if the output end voltage is negative pressure
Two controlling branchers disconnect, if the output end voltage is positive pressure, gos to step and adjust voltage；
It adjusts voltage and institute is adjusted by supply convertor when the charger detects the voltage at the first controlling brancher both ends
It is equal to state the first controlling brancher both end voltage, controls the second controlling brancher conducting；
Charging detection, when vehicle mounted dynamic battery charging complete, the charger is according to described in the shutdown command control received
Supply convertor shuts down, and controls second controlling brancher and disconnects.
7. on-board high-voltage switching method as claimed in claim 6, it is characterised in that：It further includes working as to fill that the step, which adjusts voltage,
When having voltage on electric machines test to the diode and resistance of first controlling brancher, the supply convertor is by the resistance
Voltage rises to equal with the voltage of the diode.
8. on-board high-voltage switching method as claimed in claim 7, it is characterised in that：It further includes described that the step, which adjusts voltage,
Charger controls the relay coil of second controlling brancher and contact is attracted；The step charging detection further includes described fills
Motor controls the relay coil of second controlling brancher and contact disconnects；Further include step computer heating control, when the charging
It when machine receives heating mode instruction, is switched on according to the power-on instruction received, controls the relay of second controlling brancher
Coil is attracted with contact, is controlled the supply convertor and is opened, is shut down according to the shutdown command received, is controlled the power supply and is become
Parallel operation is closed, and the relay coil and contact for controlling second controlling brancher disconnect.
9. a kind of electronic equipment, including memory, processor and storage are on a memory and the calculating that can run on a processor
Machine program, which is characterized in that the processor realizes the step of any one of claim 6-8 methods when executing described program.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of any one of claim 6-8 methods are realized when being executed by processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810587317.8A CN108808774A (en) | 2018-06-08 | 2018-06-08 | On-board high-voltage switching device, method, electronic equipment, storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810587317.8A CN108808774A (en) | 2018-06-08 | 2018-06-08 | On-board high-voltage switching device, method, electronic equipment, storage medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108808774A true CN108808774A (en) | 2018-11-13 |
Family
ID=64087918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810587317.8A Pending CN108808774A (en) | 2018-06-08 | 2018-06-08 | On-board high-voltage switching device, method, electronic equipment, storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108808774A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113071319A (en) * | 2021-04-29 | 2021-07-06 | 东风汽车集团股份有限公司 | High-voltage switching control method for power battery of new energy automobile |
| CN113629654A (en) * | 2021-08-04 | 2021-11-09 | 深圳市英锐恩科技有限公司 | Power supply control method, circuit, device and readable storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203774783U (en) * | 2013-12-31 | 2014-08-13 | 江苏嘉钰新能源技术有限公司 | Vehicle-mounted charger rear-stage output reverse connection preventing circuit |
| CN104052133A (en) * | 2014-07-15 | 2014-09-17 | 中国兵器工业第二〇八研究所 | Output protection circuit of charger of electric vehicle |
| CN204316088U (en) * | 2014-12-16 | 2015-05-06 | 广东易事特电源股份有限公司 | UPS and reverse battery protection circuit thereof |
| CN108189694A (en) * | 2018-01-09 | 2018-06-22 | 苏州舜唐新能源电控设备有限公司 | A kind of control device and control method for Vehicular charger |
-
2018
- 2018-06-08 CN CN201810587317.8A patent/CN108808774A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203774783U (en) * | 2013-12-31 | 2014-08-13 | 江苏嘉钰新能源技术有限公司 | Vehicle-mounted charger rear-stage output reverse connection preventing circuit |
| CN104052133A (en) * | 2014-07-15 | 2014-09-17 | 中国兵器工业第二〇八研究所 | Output protection circuit of charger of electric vehicle |
| CN204316088U (en) * | 2014-12-16 | 2015-05-06 | 广东易事特电源股份有限公司 | UPS and reverse battery protection circuit thereof |
| CN108189694A (en) * | 2018-01-09 | 2018-06-22 | 苏州舜唐新能源电控设备有限公司 | A kind of control device and control method for Vehicular charger |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113071319A (en) * | 2021-04-29 | 2021-07-06 | 东风汽车集团股份有限公司 | High-voltage switching control method for power battery of new energy automobile |
| CN113071319B (en) * | 2021-04-29 | 2022-12-23 | 东风汽车集团股份有限公司 | High-voltage switching control method for power battery of new energy automobile |
| CN113629654A (en) * | 2021-08-04 | 2021-11-09 | 深圳市英锐恩科技有限公司 | Power supply control method, circuit, device and readable storage medium |
| CN113629654B (en) * | 2021-08-04 | 2023-09-15 | 深圳市英锐恩科技有限公司 | Power supply control method, circuit, device and readable storage medium |
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Application publication date: 20181113 |