CN107234969B - Electric car and its high pressure protector - Google Patents
Electric car and its high pressure protector Download PDFInfo
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- CN107234969B CN107234969B CN201610188138.8A CN201610188138A CN107234969B CN 107234969 B CN107234969 B CN 107234969B CN 201610188138 A CN201610188138 A CN 201610188138A CN 107234969 B CN107234969 B CN 107234969B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/04—Cutting off the power supply under fault conditions
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a kind of electric car and its high pressure protector, device includes: high voltage distribution box, and high voltage distribution box has multiple branches, and multiple branches are connected with power battery and at least one high-voltage load respectively；At least one arc sensor in multiple branches is set, and each arc sensor of at least one arc sensor is for generating arcing fault signal when arc fault occurs in corresponding branch；The controllable switch being correspondingly arranged with each arc sensor；Control unit, control unit are connected at least one arc sensor and controllable switch respectively, and control unit is used for after receiving arcing fault signal, are controlled controllable switch according to arcing fault signal to cut off corresponding branch.Arc fault can be effectively detected as a result, and can cut off the branch in time when arc fault occurs in respective branch, prevents the branch from safety problem occurring because of arc fault, promote vehicle security, reliability.
Description
Technical field
The present invention relates to technical field of electric appliances, in particular to the high pressure protector and one kind of a kind of electric car have
The electric car of the protective device.
Background technique
With the rapid development of electric car industry, the safety problem of electric car is increasingly paid attention to by people.In phase
In the technology of pass, the active designs in terms of following two high-voltage safety are generallyd use: one is insurance is arranged in high voltage distribution box
Silk is to carry out short-circuit protection, so that short-circuit current be made reliably to be cut off, solves the safety problem that short trouble causes；Its
Second is that electricity leakage sensor is arranged in high voltage distribution box to carry out earth leakage protective, when leak current fault occurs for vehicle, electric leakage is sensed
Device issues electric leakage signal and disconnects power supply with the contactor in cutoff high circuit, solves the safety problem that leak current fault causes.
But the relevant technologies there are the shortcomings that, in such a way that fuse and electricity leakage sensor is arranged in high voltage distribution box,
All safety problems are not can solve.Therefore, the relevant technologies needs improve.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose that a kind of high pressure protector of electric car, the device can detect arc fault, and solves electric arc event
Hinder the safety problem caused.
It is another object of the present invention to propose a kind of electric car.
In order to achieve the above objectives, one aspect of the present invention embodiment proposes a kind of high pressure protector of electric car, packet
Include: high voltage distribution box, the high voltage distribution box have multiple branches, the multiple branch respectively with power battery and at least one
High-voltage load is connected；At least one arc sensor in the multiple branch, at least one described arc sensor are set
Each arc sensor for generating arcing fault signal when arc fault occurs in corresponding branch；With each electric arc
The controllable switch that sensor is correspondingly arranged；Control unit, described control unit respectively at least one described arc sensor and
The controllable switch is connected, and described control unit is used for after receiving the arcing fault signal, according to the electric arc event
Barrier signal controls the controllable switch to cut off corresponding branch.
The high pressure protector of the electric car proposed according to embodiments of the present invention, in multiple branches of high voltage distribution box
At least one arc sensor is set, and is correspondingly arranged controllable switch with each arc sensor, each arc sensor is in phase
The branch answered occurs generating arcing fault signal when arc fault, control unit after receiving arcing fault signal, according to
Arcing fault signal controls controllable switch to cut off corresponding branch.The device can effectively detect arc fault as a result,
And the branch can be cut off in time when arc fault occurs in respective branch, prevent the branch from occurring to ask safely because of arc fault
Topic promotes vehicle security, reliability.
In order to achieve the above objectives, another aspect of the present invention embodiment proposes a kind of electric car, including described electronic
The high pressure protector of automobile.
The electric car proposed according to embodiments of the present invention can effectively detect electricity by the high pressure protector of electric car
Arc failure, and the branch can be cut off in time when arc fault occurs in respective branch, prevent the branch from sending out because of arc fault
Raw safety problem, promotes vehicle security, reliability.
Detailed description of the invention
Fig. 1 is the block diagram of the high pressure protector of electric car according to an embodiment of the present invention；
Fig. 2 is the block diagram of the high pressure protector of electric car according to an embodiment of the invention；
Fig. 3 is the block diagram of the high pressure protector of electric car in accordance with another embodiment of the present invention；
Fig. 4 is the working principle diagram of the high-pressure system of electric car according to an embodiment of the invention；
Fig. 5 is the circuit diagram of the high pressure protector of electric car accord to a specific embodiment of that present invention；With
And
Fig. 6 is the circuit diagram of the high pressure protector of the electric car of another specific embodiment according to the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Firstly, present inventor has found and recognizes: with the use of electric car, electric car will will appear high pressure
The oxidation of aging circuit or high pressure tie point, phenomena such as loosening, and aging or high pressure connection because of electric car mesohigh route
The oxidation of point loosens, and at runtime it is possible that electric arc, serious electric arc may ignite the flammable of surrounding electric car
Object, and then lead to electric car there are security risks.And fuse in the related technology is different when arc fault occurs in circuit
Surely can fuse, thus cannot in time cut-off loop, knock out electric arc.
Based on this, the invention proposes a kind of high pressure protector of electric car and with its electric car.
Below with reference to the accompanying drawings to describe the high pressure protector for the electric car that the embodiment of the present invention proposes and with it
Electric car.
Fig. 1 is the block diagram of the high pressure protector of electric car according to an embodiment of the present invention.As Fig. 1-3 institute
Show, which includes: high voltage distribution box 10, at least one arc sensor 40, controllable switch 50 and control unit
60。
Wherein, high voltage distribution box 10 have multiple branches, multiple branches respectively with power battery 20 and at least one high pressure
Load 30 be connected, high voltage distribution box 10 is additionally provided with fuse and earth leakage protective device, wherein high voltage distribution box 10 refer to for pair
Electric automobile high-voltage system charged, transmitted electricity, distribution, control or protection etc. equipment, power battery refers to for electric car
The power supply of power resources is provided, high-voltage load can refer to the high power load in electric automobile high-voltage system, such as motor, air-conditioning
Device, DC/DC converter etc..
At least one arc sensor 40 is arranged in multiple branches, and each electric arc of at least one arc sensor 40 passes
Sensor is used to generate arcing fault signal when arc fault occurs in corresponding branch, such as i-th of arc sensor setting exists
In i-th of branch, when arc fault occurs in i-th of branch, i-th of arc sensor will generate arcing fault signal；Controllably
Switch 50 is correspondingly arranged with each arc sensor, and in other words, each arc sensor can correspond to a controllable switch 50.
Control unit 60 is connected at least one arc sensor 40 and controllable switch 50 respectively, and control unit 60 is used for
After receiving arcing fault signal, controllable switch is controlled according to arcing fault signal to cut off corresponding branch.
Specifically, the working principle of the high-pressure system of electric car can be as shown in figure 4, when high-pressure system works normally
When, current direction is as shown by the arrows in Figure 4, and when arc fault occurs in any bar branch in high-pressure system, the electricity of the branch
Stream will mutate, and the electric current of total branch can also mutate.
The high pressure protector of the embodiment of the present invention is by being arranged at least one in multiple branches of high voltage distribution box 10
Arc sensor 40 carries out arc fault detection, and when arc fault occurs, control unit 60 can be according at least one electricity
The branch of arc fault occurs for the signal judgement that arc sensor 40 is sent, and controls the shutdown of the controllable switch in the branch to cut off
The branch prevents from for example catching fire because safety accident occurs for electric arc to extinguish electric arc by cut-off loop.
More specifically, settable current transformer and main control chip, arc sensor 40 can pass through in arc sensor 40
Current transformer carries out real-time monitoring to the electric current of place branch, and the current signal monitored is improved, amplify after send out
Main control chip is given, the main control chip of arc sensor 40 carries out software analysis to the current signal, and judges whether electricity occur
Arc failure, when arc fault occurs in judgement, it is single to control that the main control chip of arc sensor 40 just sends arcing fault signal
Member 60.Control unit 60 controls controllable switch corresponding with arc sensor 40 after receiving arcing fault signal and disconnects,
Prevent high-pressure system from safety accident occur because of electric arc to extinguish electric arc with the branch where breaking arc sensor 40.
Further, according to one embodiment of present invention, as shown in Figure 5 and Figure 6, control unit 60 is also used to electric arc
Fault-signal is uploaded to the CAN bus 70 of electric car, to issue failure warning information.Also, control unit 60 is also used to
Arc fault is each controllably opened after excluding by the reception troubleshooting signal of CAN bus 70, and according to the control of troubleshooting signal
It closes and closes.
That is, control unit 60 is additionally attached in the CAN bus 70 of electric car, to carry out CAN communication, work as control
After unit 60 receives arcing fault signal, control unit 60 sends arcing fault signal by CAN bus 70 and gives vehicle control
Device processed, to debug in time, for example, entire car controller can issue the user with warning message by reminding unit to prompt user
Breakdown maintenance is carried out, for another example, arcing fault signal can also be transmitted to battery manager, battery manager control by entire car controller
Power battery 20 stops being that high voltage distribution box 10 is powered.After troubleshooting, entire car controller sends event by CAN bus again
Barrier excludes signal to control unit 60, and control unit 60 controls controllable switch 50 and re-closes, so that corresponding branch is again just
Often work.
Arc sensor and controllable switch are set at least one branch road of high voltage distribution box 10 as a result, and controllably opened
Pass is controlled by control unit 60, and whether branch arc fault occurs also and to pass through the judgement of main control chip, so as to
To avoid erroneous judgement in many cases.In addition, control unit 60 is also connect by CAN bus with entire car controller, vehicle control
Device processed can control high pressure branch road in time when arc fault excludes and work normally.
Specific structure, the work of the high pressure protector of the embodiment of the present invention are described below with reference to the embodiment of Fig. 5 and Fig. 6
Make principle.
According to one embodiment of present invention, as shown in figure 5, at least one arc sensor 40 includes the first arc sensing
Device 401, the first arc sensor 401 are arranged on the first branch L1 being connected with power battery 20, wherein as first branch L1
When there is arc fault, the first arc sensor 401 generates arcing fault signal, and control unit 60 is according to the electric arc event received
Barrier signal pair controllable switch 501 corresponding with the first arc sensor 401 is controlled to cut off first branch L1.
Specifically, one end of the first arc sensor 401 is connected with one end of the input port of high voltage distribution box 10, and first
The other end of arc sensor 401 is connected with one end of corresponding controllable switch 501, the other end of corresponding controllable switch 501
It is connected with the anode of power battery 20, the control terminal of corresponding controllable switch 501 is connected with control unit 60, wherein high pressure is matched
The other end of the input port of electric box 10 is connected with the cathode of power battery 20.
Specifically, when multiple branches of high voltage distribution box 10 operate normally, there is not electric arc in each branch, can
Control switch 501 is in closed state.When there is electric arc in the contactor movement in high voltage distribution box 10, the first arc sensor
401 and control unit 60 can determine whether as normal arc phenomenon (duration of normal arc is shorter), to will not cause controllable
The malfunction of switch 501.
When the first arc sensor 401 judges to occur serious electric arc (duration of serious electric arc is longer), the first electricity
Arc sensor 401 judges that arc fault occurs at least one branch, and sends arcing fault signal to control unit 60, and control is single
Member 60 controls controllable switch 501 and disconnects, and cuts off first branch L1, and store arc fault information, prevents in unresolved failure
In the case of electric car re-power after be attracted controllable switch 501.Finally, control unit 60 sends arcing fault signal to
It is single to control to send troubleshooting signal by CAN bus to notify vehicle to debug, and after debugging for CAN network
Member 60 to control the closure of controllable switch 501 multiple branches of high voltage distribution box 10 can be worked normally again.
According to another embodiment of the invention, at least one arc sensor 40 further includes the second arc sensor to
N arc sensor, N are integer greater than 2, the second arc sensor to N arc sensor be correspondingly arranged at (N-1) it is a with it is high
In the connected second branch of pressure load, wherein when there is arc fault in any of (N-1) a second branch second branch,
Arc sensor in first arc sensor 401 and any one second branch generates arcing fault signal, control unit 60
It is carried out according to the arcing fault signal pair received controllable switch corresponding with the arc sensor in any one second branch
Control is to cut off any one second branch；When arc fault or first branch L1 appearance occurs in (N-1) a second branch
When arc fault, arc sensor of second arc sensor into N arc sensor generates arcing fault signal, control
Unit 60 is controlled according to the arcing fault signal pair received controllable switch 501 corresponding with the first arc sensor 401
To cut off first branch L1.
Specifically, high voltage distribution box has (N-1) output port, and the second arc sensor is into N arc sensor
One end of each arc sensor is connected with one end of corresponding output port, the second arc sensor to N arc sensor
In the other end and one end of corresponding controllable switch of each arc sensor be connected, the other end of corresponding controllable switch with
One end of corresponding high-voltage load is connected, and the control terminal of corresponding controllable switch is connected with control unit 60, wherein corresponding defeated
The other end of exit port is connected with the other end of corresponding high-voltage load.
By taking N=4 as an example, as shown in fig. 6, at least one arc sensor 40 further includes the second arc sensor 402, third
First to be connected with high-voltage load 1 is arranged in 403 to the 4th arc sensor 404 of arc sensor, the second arc sensor 402
On a second branch L2, third arc sensor 403 is arranged on second second branch L3 being connected with high-voltage load 2, the
Three arc sensors 404 are arranged on the third second branch L4 being connected with high-voltage load 3, and in first second branch
It is provided with controllable switch 502 corresponding with the second arc sensor 402 on L2, is provided on second second branch L3 and the
The corresponding controllable switch 503 of three arc sensor 403, is provided with and the 4th arc sensor on third second branch L4
404 corresponding controllable switches 504.
When there is arc fault in first second branch L2 where high-voltage load 1, the first arc sensor 401 and the
Two arc sensors 402 detect arc fault, and send arcing fault signal to control unit 60, control unit 60
There is arc fault in first second branch L2 where determining high-voltage load 1, and it is disconnected that control unit 60 controls controllable switch 502
It opens, cuts off first second branch L2 in time, extinguish electric arc, and control unit 60 can also notify first second branch of vehicle
There is arc fault in L2, and control controllable switch 502 is closed again again after debugging.Similarly, in other high-voltage load institutes
Branch there is fault when, the branch that arc fault occurs can also be judged using identical principle, and is cut in time
It is disconnected the branch of arc fault occur, extinguish electric arc.
If the first arc sensor 401 and the second arc sensor 402,403 to the 4th electricity of third arc sensor
Arc sensor 404 all detects arc fault, and control unit 60 then can determine that the first branch L1 appearance where power battery 20
Arc fault determines that arc fault occurs in first second branch L2 to third second branch L4, at this time control unit 60
It controls controllable switch 501 to disconnect, cuts off first branch L1, extinguish electric arc.And control unit 60 can also be after debugging
It controls controllable switch 501 to be closed, so that high-pressure system works normally.
The branch that arc fault occurs can be thus oriented, and can be cut in the case where not influencing other branches
The branch of existing arc fault.
In addition, at least one arc sensor 40 can also be arranged at the branch being connected in multiple branches with high-voltage load
On.
To sum up, the high pressure protector of the electric car proposed according to embodiments of the present invention, in the multiple of high voltage distribution box
At least one arc sensor is set in branch, and is correspondingly arranged controllable switch, each arc sensing with each arc sensor
Device generates arcing fault signal when arc fault occurs in corresponding branch, control unit receive arcing fault signal it
Afterwards, controllable switch is controlled according to arcing fault signal to cut off corresponding branch.The device can effectively detect electricity as a result,
Arc failure, and the branch can be cut off in time when arc fault occurs in respective branch, prevent the branch from sending out because of arc fault
Raw safety problem, promotes vehicle security, reliability.
Finally, the high voltage protective of the electric car including above-described embodiment fills the invention also provides a kind of electric car
It sets.
The electric car proposed according to embodiments of the present invention can effectively detect electricity by the high pressure protector of electric car
Arc failure, and the branch can be cut off in time when arc fault occurs in respective branch, prevent the branch from sending out because of arc fault
Raw safety problem, promotes vehicle security, reliability.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (8)
1. a kind of high pressure protector of electric car characterized by comprising
High voltage distribution box, the high voltage distribution box have multiple branches, the multiple branch respectively with power battery and at least one
A high-voltage load is connected；
At least one arc sensor in the multiple branch, each electricity at least one described arc sensor are set
Arc sensor is for generating arcing fault signal when arc fault occurs in corresponding branch, wherein at least one described electric arc
Sensor includes the first arc sensor, and the first branch being connected with the power battery is arranged in first arc sensor
On, at least one described arc sensor further includes the second arc sensor to N arc sensor, and N is the integer greater than 2,
Second arc sensor to N arc sensor is correspondingly arranged at (N-1) a second to be connected with the high-voltage load
On the road；
The controllable switch being correspondingly arranged with each arc sensor；
Control unit, described control unit is connected at least one described arc sensor and the controllable switch respectively, described
Control unit be used for after receiving the arcing fault signal, according to the arcing fault signal to the controllable switch into
Row control is to cut off corresponding branch.
2. the high pressure protector of electric car according to claim 1, which is characterized in that wherein,
When arc fault occurs in the first branch, first arc sensor generates the arcing fault signal, described
Control unit is carried out according to the arcing fault signal pair received controllable switch corresponding with first arc sensor
Control is to cut off the first branch.
3. the high pressure protector of electric car according to claim 2, which is characterized in that first arc sensor
One end be connected with one end of the input port of the high voltage distribution box, the other end of first arc sensor with it is corresponding
One end of controllable switch is connected, and the other end of corresponding controllable switch is connected with the anode of the power battery, corresponding controllable
The control terminal of switch is connected with described control unit, wherein the other end of the input port of the high voltage distribution box is moved with described
The cathode of power battery is connected.
4. the high pressure protector of electric car according to claim 2, which is characterized in that wherein,
When there is arc fault in any of (N-1) a second branch second branch, first arc sensor and
Arc sensor in any one described second branch generates the arcing fault signal, and described control unit is according to receiving
The arcing fault signal pair controllable switch corresponding with the arc sensor in any one described second branch controlled with
Cut off any one described second branch；
When there is arc fault in (N-1) a second branch or arc fault occurs in the first branch, described
Arc sensor in one arc sensor and (N-1) second branch generates the arcing fault signal, the control
Unit is controlled according to the arcing fault signal pair received controllable switch corresponding with first arc sensor
To cut off the first branch.
5. the high pressure protector of electric car according to claim 4, which is characterized in that the high voltage distribution box has
(N-1) output port, one end of each arc sensor of second arc sensor into N arc sensor with it is corresponding
Output port one end be connected, each arc sensor of second arc sensor into N arc sensor it is another
One end is connected with one end of corresponding controllable switch, one end phase of the other end of corresponding controllable switch and corresponding high-voltage load
Even, the control terminal of corresponding controllable switch is connected with control unit, wherein the other end of corresponding output port and corresponding height
The other end of pressure load is connected.
6. the high pressure protector of electric car according to any one of claims 1-5, which is characterized in that the control
Unit is also used to for the arcing fault signal being uploaded to the CAN bus of the electric car, to issue failure warning information.
7. the high pressure protector of electric car according to claim 6, which is characterized in that described control unit is also used to
Troubleshooting signal is received by the CAN bus after arc fault exclusion, and according to the troubleshooting signal control
Make each controllable switch closure.
8. a kind of electric car, which is characterized in that the high voltage protective including electric car of any of claims 1-7
Device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610188138.8A CN107234969B (en) | 2016-03-29 | 2016-03-29 | Electric car and its high pressure protector |
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|---|---|---|---|
| CN201610188138.8A CN107234969B (en) | 2016-03-29 | 2016-03-29 | Electric car and its high pressure protector |
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| CN107234969B true CN107234969B (en) | 2019-10-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109986966B (en) * | 2017-12-28 | 2021-02-23 | 长沙市比亚迪汽车有限公司 | Electric automobile and monitoring system and monitoring method of high-voltage distribution box of electric automobile |
| CN110962603B (en) * | 2019-04-30 | 2021-03-23 | 宁德时代新能源科技股份有限公司 | Control module, battery management system, circuit detection and control method |
| CN112109552A (en) * | 2019-06-21 | 2020-12-22 | 天津艾康尼克新能源汽车有限公司 | Automobile high-voltage power supply circuit, automobile and automobile power supply control method |
| CN110266096B (en) * | 2019-07-02 | 2020-11-24 | 华人运通(上海)自动驾驶科技有限公司 | Power supply network system of automobile and control method of electronic relay |
| CN111086398A (en) * | 2019-12-31 | 2020-05-01 | 浙江合众新能源汽车有限公司 | Power domain controller system |
| CN111791720B (en) * | 2020-07-16 | 2021-05-14 | 东莞市高标软件科技有限公司 | Electric vehicle control system |
| CN112242731B (en) * | 2020-10-14 | 2022-10-25 | 华人运通(江苏)技术有限公司 | Overcurrent protection device for electric automobile, battery system and electric automobile |
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| CN103802763A (en) * | 2014-02-20 | 2014-05-21 | 中国北方车辆研究所 | Direct-current high-voltage large current combination power distribution protection device of armored vehicle |
| CN103847526A (en) * | 2014-03-20 | 2014-06-11 | 东风汽车公司 | Electric automobile high-voltage distributing system with high-voltage interlocking functions |
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| CN107234969A (en) | 2017-10-10 |
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