CN110391471A - Electric box self-distribution circuit control system and method, electric box and delivery vehicle - Google Patents
Electric box self-distribution circuit control system and method, electric box and delivery vehicle Download PDFInfo
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- CN110391471A CN110391471A CN201810346957.XA CN201810346957A CN110391471A CN 110391471 A CN110391471 A CN 110391471A CN 201810346957 A CN201810346957 A CN 201810346957A CN 110391471 A CN110391471 A CN 110391471A
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- control switch
- control
- switch
- power supply
- processor
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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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/64—Constructional details of batteries specially adapted for electric vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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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- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sustainable Energy (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the invention provides a control system and method for a self-configuration circuit of an electric box, the electric box and a delivery vehicle, relates to the technical field of batteries, and solves the safety problem caused by high voltage of a replaced electric box in the replacement process of the electric box by disconnecting a main loop of a battery module which supplies power outwards. The system comprises: the first control switch and the second control switch are respectively connected to the positive pole and the negative pole of the battery module; the first control switch and the second control switch are both arranged in a main loop of the battery module and are used for controlling the battery module to supply power outwards; and the processor is used for regulating and controlling the on or off states of the first control switch and the second control switch. The method comprises the following steps: when an electronic box replacing instruction is received, the first control switch and the second control switch are disconnected; and sending a mode change command to a control center of the vehicle so as to enable the vehicle to enter a box change mode. The technical scheme provided by the embodiment of the invention is suitable for the preparation working process before the replacement of the electric box.
Description
[technical field]
The present invention relates to battery technology field more particularly to a kind of electronic box autogamy circuit control system, method and electronic box and
Delivery vehicle.
[background technique]
With popularizing for electric vehicle, the battery charge time problem of electric vehicle also increasingly becomes focus concerned by people.Mesh
Before, in order to solve the problems, such as that the electric vehicle charging time is too long, propose the theoretical method of electronic box quick change.
During electronic box quick change, for the safety of safeguard work personnel, in normally closed vehicle major loop it is positive and negative after
Electric appliance.But after disconnecting vehicle major loop, the battery modules in each electronic box are not isolated, therefore the battery modules in electronic box
It still is possible to power outward
In realizing process of the present invention, at least there are the following problems in the prior art for inventor's discovery:
In electronic box replacement process, the battery modules in each electronic box still are possible to power outward, therefore are changed electronic box
High pressure itself can bring very big safety problem, and the security performance of electronic box is low.
[summary of the invention]
In view of this, the embodiment of the invention provides a kind of electronic box autogamy circuit control system, method and electronic box and deliveries
Tool can be to avoid battery modules by the way that the first control switch and the second control switch are arranged on the major loop of battery modules
Itself powers outward, and then avoids being changed electronic box high pressure bring safety problem itself in electronic box replacement process, improves electronic box
Security performance.
In a first aspect, the embodiment of the present invention provides a kind of electronic box autogamy circuit control system, comprising:
First control switch is connected to the anode of battery modules；
Second control switch is connected to the cathode of the battery modules；Wherein, first control switch and described second
Control switch is all set in the major loop of the battery modules, is powered outward for controlling the battery modules itself；
Processor opens or closes state for regulate and control first control switch and second control switch.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, further includes:
First safe unit opens or closes state for detect first control switch；And/or
Second safe unit opens or closes state for detect second control switch.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, first peace
Unit includes: entirely
The positive and negative anodes of first detection power supply, the first detection power supply pass through the first level detection module and first resistor point
It is not connected to the input/output terminal of first control switch；
First level detection module, is also connected to the processor, for the level to first control switch
It measures, and obtains measurement result；
The first resistor, the safety for circuit where ensureing the first resistor；
First electrical isolation module, for first level detection module to be isolated；
Wherein, the processor is also used to judge opening or closing for first control switch according to the measurement result
State.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, second peace
Unit includes: entirely
The positive and negative anodes of second detection power supply, the second detection power supply pass through second electrical level detection module and second resistance point
It is not connected to the input/output terminal of second control switch；
The second electrical level detection module, is also connected to the processor, for the level to second control switch
It measures, and obtains measurement result；
The second resistance, the safety for circuit where ensureing the second resistance；
Second electrical isolation module, for the second electrical level detection module to be isolated；
Wherein, the processor is also used to judge opening or closing for second control switch according to the measurement result
State.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the processor
First end be connected to the control terminal of first control switch, the second end of the processor is connected to second control and opens
The control terminal of pass.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, further includes:
First power switch, the processor regulate and control the unlatching of first control switch by first power switch
Or closed state；And/or
Second power switch, the processor regulate and control the unlatching of second control switch by second power switch
Or closed state.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation,
First power switch includes grid, source electrode and drain electrode, and the control terminal of first control switch includes contact
Device coil；Wherein, grid is connected to the first end of the processor, and drain electrode is connected to the anode of the first accessory power supply, and source electrode connects
It is connected to the anode of contactor coil, the cathode of contactor coil is connected to the cathode of first accessory power supply；And/or
Second power switch includes grid, source electrode and drain electrode, and the control terminal of second control switch includes contact
Device coil；Wherein, grid is connected to the second end of the processor, and drain electrode is connected to the anode of the second accessory power supply, and source electrode connects
It is connected to the anode of contactor coil, the cathode of contactor coil is connected to the cathode of second accessory power supply.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, further includes:
First instruction device is connected between the first end of the processor and the control terminal of first control switch,
Be used to indicate first control switch opens or closes state；And/or
Second instruction device is connected between the second end of the processor and the control terminal of second control switch,
Be used to indicate second control switch opens or closes state.
Second aspect, the embodiment of the present invention provide a kind of electronic box, comprising: either side as above and any possible realization side
Electronic box autogamy circuit control system described in formula.
The third aspect, the embodiment of the present invention provide a kind of delivery vehicle, comprising: either side as above and any possible reality
Electronic box described in existing mode.
Fourth aspect, the embodiment of the present invention provide a kind of electronic box autogamy circuit control method, are suitable for either side as above
And electronic box autogamy circuit control system described in any possible implementation, it is implemented in processor, comprising:
When receiving electronic box replacement instruction, the first control switch and the second control switch are disconnected；
It replaces and instructs to control centre's sending mode of delivery vehicle, so that the delivery vehicle enters replacement electronic box mould
Formula.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the electronic box is certainly
Further include the first safe unit and the second safe unit with circuit control system, is then sent out described to the control centre of delivery vehicle
Before sending mode replacement instruction, the method also includes:
That detects first control switch opens or closes opening or closing for state and second control switch
State；
Wherein, described to detect first control switch to the replacement instruction of control centre's sending mode of delivery vehicle
And second control switch execution when being off-state.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation,
First safe unit includes that the first detection power supply, the first level detection module, first resistor and first are electrical
Isolation module, detection first control switch open or close state, comprising: obtain the first level detection mould
Level measurements of the block to first control switch；When the level measurements are low level, described first is determined
Control switch is in an off state, wherein first level detection module is connected to the cathode of the first detection power supply；When
When the level measurements are high level, determine that first control switch is in an off state；Wherein, first level
Detection module is connected to the anode of the first detection power supply；
Second safe unit includes that the second detection power supply, second electrical level detection module, second resistance and second are electrical
Isolation module, detection second control switch open or close state, comprising: obtain the second electrical level detection mould
Level measurements of the block to second control switch；When the level measurements are low level, described second is determined
Control switch is in an off state, wherein the second electrical level detection module is connected to the cathode of the second detection power supply；When
When the level measurements are high level, determine that second control switch is in an off state, wherein the second electrical level
Detection module is connected to the anode of the second detection power supply.
The embodiment of the invention provides a kind of electronic box autogamy circuit control system, method and electronic box and delivery vehicles, in electricity
First control switch and the second control switch are set on the major loop in case, by the first control switch and the second control switch come
Battery modules itself are controlled to power outward.Technical solution provided in an embodiment of the present invention passes through processing before carrying out electronic box replacement
Device disconnects the first control switch and the second control switch, and then cuts off and changed the master time that battery modules itself are powered outward in electronic box
Road prevents battery modules itself from powering outward, can be safe to avoid electronic box high pressure bring itself is changed in electronic box replacement process
Problem improves the security performance of electronic box.
[Detailed description of the invention]
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without creative efforts, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of schematic diagram of electronic box autogamy circuit control system provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of another electronic box autogamy circuit control system provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of another electronic box autogamy circuit control system provided in an embodiment of the present invention；
Fig. 4 is a kind of structural block diagram of electronic box provided in an embodiment of the present invention；
Fig. 5 is a kind of structural block diagram of delivery vehicle provided in an embodiment of the present invention；
Fig. 6 is a kind of flow chart of electronic box autogamy circuit control method provided in an embodiment of the present invention；
Fig. 7 is the flow chart of another electronic box autogamy circuit control method provided in an embodiment of the present invention.
[specific embodiment]
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention with reference to the accompanying drawing
It states.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " described " and "the"
It is also intended to including most forms, unless the context clearly indicates other meaning.
It will be appreciated that though control switch, safety may be described using term first, second in embodiments of the present invention
Unit etc., but these switches, unit should not necessarily be limited by these terms.These terms are only used to switch or unit is distinguished from each other out.
For example, the first control switch can also be referred to as the second control switch, class in the case where not departing from range of embodiment of the invention
As, the second control switch can also be referred to as the first control switch.
Depending on context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determination " or " in response to detection ".Similarly, depend on context, phrase " if it is determined that " or " if detection
(condition or event of statement) " can be construed to " when determining " or " in response to determination " or " when the detection (condition of statement
Or event) when " or " in response to detection (condition or event of statement) ".
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate: individualism A, exist simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
The embodiment of the invention provides a kind of electronic box autogamy circuit control systems, suitable for the preparation work before electronic box replacement
In the process, as shown in Figure 1, the electronic box autogamy circuit control system includes:
First control switch 11, is connected to the anode of battery modules.
Wherein, the battery modules are made of several battery cores, are set in the electronic box.
Second control switch 12, is connected to the cathode of the battery modules.
Wherein, the master that first control switch 11 and second control switch 12 are all set in the battery modules returns
Lu Zhong powers outward for controlling the battery modules itself.
Specifically, the first control switch 11 and the second control switch 12 can be relay.
Processor 13 opens or closes shape for regulate and control first control switch 11 and second control switch 12
State.
About the connection relationship of processor 13 and the first control switch 11 and the second control switch 12, in specific implementation process
In, the first end 131 that can be processor 13 is connected to the control terminal of the first control switch 11, the second end of the processor 13
132 are connected to the control terminal of second control switch 12.
In one possible implementation, the processor 13 can be single case administrative unit (Cell
Supervision Circuit, CSC), i.e. the function of processor 13 is integrated in CSC.
Specifically, electronic box autogamy circuit control system provided in an embodiment of the present invention, the can be controlled by processor 13
One control switch 11 and the second control switch 12 open or close, to control the logical of the outside main circuit power supply of battery modules itself
It is disconnected, and then achieve the purpose that control battery modules itself powers outward.
Optionally, the electronic box autogamy circuit control system further include:
First safe unit opens or closes state for detect first control switch 11.
Specifically, the setting of the first safe unit, for when carrying out electronic box replacement, it is ensured that the first control switch 11 is in
Off-state, to further increase the safety guarantee in electronic box replacement process.
In one possible implementation, as shown in Figure 1, first safe unit includes:
Positive (+) negative (-) pole of first detection power supply 21, the first detection power supply 21 passes through the first level detection module 22
The input/output terminal of first control switch 11 is respectively connected to first resistor 23.
Wherein, the first detection power supply 21 and the first level detection module 22, first resistor 23 and the first control switch 11
Connection relationship can have six kinds of different modes: first way, anode connection the first level inspection of the first detection power supply 21
Module 22 is surveyed, the first level detection module 22 connects first resistor 23, and first resistor 23 connects the input of the first control switch 11
End, the cathode of output end connection the first detection power supply 21 of the first control switch 11；The second way is shown in first way, only
Change the sequence of the first level detection module 22 and first resistor 23, i.e., the anode connection first resistor of the first detection power supply 21
23, first resistor 23 connects the first level detection module 22；The third mode is shown in first way, only exchanges the first detection electricity
The cathode of the positive and negative anodes in source 21, i.e., the first detection power supply 21 connects the first level detection module 22, the first level detection module 22
First resistor 23 is connected, first resistor 23 connects the output end of the first control switch 11, and the input terminal of the first control switch 11 connects
Connect the anode of the first detection power supply 21；4th kind of mode, is shown in the second way, similarly, is only exchanging the first detection power supply 21 just
Cathode；Fifth procedure, anode the first level detection module 22 of connection of the first detection power supply 21, the first level detection module 22
The input terminal of the first control switch 11 is connected, the output end of the first control switch 11 connects first resistor 23, and first resistor 23 connects
Connect the cathode of the first detection power supply 21；6th kind of mode, is shown in fifth procedure, only changes the first level detection module 22 and first
The cathode of the position of resistance 23, i.e. the first level detection module 22 connection the first detection power supply 21, the connection of first resistor 23 first
Detect the anode of power supply 21.In Fig. 1, only illustrated with fifth procedure.
Wherein, the first detection power supply 21 is usually 12 volts or 24 volts of low-tension supply, and the first detection power supply 21 can be
Power supply in CSC.
First level detection module 22, also connect with the processor 13 and (is not shown in connection line Fig. 1).
Specifically, the first level detection module 22 is used to measure the level of first control switch 11, and
To measurement result.The processor 13 is then for judging unlatching or the pass of first control switch 11 according to the measurement result
Closed state.
Specifically, also can connect because the first level detection module 22 can connect to the anode of the first detection power supply 21
In the cathode of the first detection power supply 21.So different from the first detection connection type of power supply 21 in the first level detection module 22
When, processor 13 judges that the first control switch 11 opens or closes the regular also different of state according to measurement result, specific visible
Description in following step 602.
The first resistor 23, specific effect are the safety of circuit where protection, prevent short circuit.
First electrical isolation module 24, for first level detection module 22 to be isolated.
Voltage influence at first control switch 11 (electric field breakdown or other radiation) the first level detection mould in order to prevent
The voltage at 22 end of block needs to do insulation blocking to the first level detection module 22, usually right by the first electrical isolation module 24
First level detection module 22 carries out light-coupled isolation.
And it should be noted that first detection power supply 21 and the first level detection module 22 level mismatch when,
Level conversion can also be carried out by level switch module.
Optionally, the electronic box autogamy circuit control system further include:
Second safe unit opens or closes state for detect second control switch 12.
Specifically, the setting of the second safe unit, for when carrying out electronic box replacement, it is ensured that the second control switch 12 is in
Off-state, to further increase the safety guarantee in electronic box replacement process.
In one possible implementation, as shown in Figure 1, second safe unit includes:
Positive (+) negative (-) pole of second detection power supply 31, the second detection power supply 31 passes through second electrical level detection module 32
The input/output terminal of second control switch 12 is respectively connected to second resistance 33.
Wherein, power supply 21 and the first level detection module 22, first resistor 23 and the first control switch are detected with first
11 connection relationship similarly, open with second electrical level detection module 32, second resistance 33 and the second control by the second detection power supply 31
Closing 12 connection relationship also has six kinds, no longer repeats one by one here.
Wherein, the second detection power supply 31 is usually 12 volts or 24 volts of low-tension supply, and the second detection power supply 31 can be
Power supply in CSC.
The second electrical level detection module 32, also connect with the processor 13 and (is not shown in connection line Fig. 1).
Specifically, second electrical level detection module 32 is used to measure the level of second control switch 12, and
To measurement result.The processor 13 is then for judging unlatching or the pass of second control switch 12 according to the measurement result
Closed state.
Specifically, also can connect because second electrical level detection module 32 can connect to the anode of the second detection power supply 31
In the cathode of the second detection power supply 31.So different from the second detection connection type of power supply 31 in second electrical level detection module 32
When, processor 13 judges that the second control switch 12 opens or closes the regular also different of state according to measurement result, specific visible
The description of following step 602.
The second resistance 33, specific effect are the safety of circuit where protection, prevent short circuit.
Second electrical isolation module 34, for the second electrical level detection module 32 to be isolated.
The voltage at 32 end of voltage influence second electrical level detection module at the second control switch 12 in order to prevent is needed to
Two level detection modules 32 do insulation blocking, are usually carried out by the second electrical isolation module 34 to second electrical level detection module 32
Light-coupled isolation.
And similarly, it can also lead to when the level of the second detection power supply 31 and second electrical level detection module 32 mismatches
Over level conversion module carries out level conversion.
Optionally, as shown in Figure 1, the processor 13 is also connect with the battery modules, to acquire the battery mould
The voltage or temperature of group.
Optionally, in order to implement control of the processor 13 to first control switch 11, such as Fig. 2 institute
Show, the electronic box autogamy circuit control system further include:
First power switch 14, the processor 13 regulate and control first control switch by first power switch 14
11 open or close state.
Specifically, the first power switch 14 can be power switch component, for example mos manages (i.e. metal (metal)-oxygen
Compound (oxide)-semiconductor (semiconductor) field effect transistor)；First power switch 14 includes grid, source
The control terminal of pole and drain electrode, first control switch 11 includes contactor coil；Wherein, the first power switch 14 and processor
13 and first control switch 11 a kind of possible connection type it is as follows: the grid of the first power switch 14 is connected to the processing
The first end 131 of device 13, drain electrode are connected to the anode of the first accessory power supply, and source electrode is connected to the anode of contactor coil, contact
The cathode of device coil is connected to the cathode of first accessory power supply.
Wherein, the first accessory power supply can be the low-side power under vehicle mode, be also possible to filling under single box mode
The accessory power supply of electric rifle or charging equipment.
The original of the closure or openness state of the first control switch 11 is controlled by the first power switch 14 for processor 13
Manage as follows: the first power switch 14 is internally integrated booster circuit, and grid connects the first end 131 of processor 13, when first end 131
When level is high, the first power switch 14 closure；When 131 level of first end is low, the first power switch 14 is disconnected.First
When power switch 14 is closed, the first accessory power supply makes the contactor coil of the first control switch 11 generate electromagnetic force, and electromagnetic force is driven
The movable contact and stationary contact point contact of dynamic contactor, so that the first control switch 11 be made to be closed；Conversely, the first control switch 11 is disconnected
It opens.
Optionally, as shown in Fig. 2, the electronic box autogamy circuit control system further include:
First instruction device 15 is connected on the control of the first end 131 and first control switch 11 of the processor 13
Between end processed；Wherein, what first instruction device 15 was used to refer to first control switch 11 opens or closes state.
First instruction device 15 can be indicator light, and the light on and off of indicator light can open or close shape with indicating control switch
State can open or close state in this way with manual identified control switch, and electronic box replacement is only just carried out when indicator light extinguishes, into
One step reinforces protection.
It should be noted that as shown in Fig. 2, if the first instruction device 15 is connected on the first end 131 of the processor 13
Between the control terminal of first control switch 11, then the source electrode of the first power switch 14 is connected to the first instruction device 15,
First instruction device 15 connects the anode of the contactor coil of the first control switch 11, and the cathode of contactor coil is connected to described
The cathode of first accessory power supply.
Optionally, as shown in figure 3, the electronic box autogamy circuit control system further include:
Second power switch 16, the processor regulate and control second control switch 12 by second power switch 16
Open or close state.
Specifically, the second power switch 16 can be power switch component, such as mos pipe；Second power switch
16 include grid, source electrode and drain electrode, and the control terminal of second control switch 12 includes contactor coil；Wherein, the second power
Switch 16 and a kind of possible connection type of processor 13 and the second control switch 12 are as follows: the grid of the second power switch 16
It is connected to the second end 132 of the processor 13, drain electrode is connected to the anode of the second accessory power supply, and source electrode is connected to contactor line
The anode of circle, the cathode of contactor coil are connected to the cathode of second accessory power supply.
Wherein, the second accessory power supply can be the low-side power under vehicle mode, be also possible to filling under single box mode
The accessory power supply of electric rifle or charging equipment.
Processor 13 controls the closure or openness state of the second control switch 12 by the second power switch 16, and passes through the
The principle that one power switch 14 controls the first control switch 11 is identical, and details are not described herein again.
Optionally, as shown in figure 3, the electronic box autogamy circuit control system further include:
Second instruction device 17 is connected on the control of the second end 132 and second control switch 12 of the processor 13
Between end processed；Wherein, what second instruction device 17 was used to refer to second control switch 12 opens or closes state.
It should be noted that as shown in figure 3, if the second instruction device 17 is connected on the second end 132 of the processor 13
Between the control terminal of second control switch 12, then the source electrode of the second power switch 16 is connected to the second instruction device 17,
Second instruction device 17 connects the anode of the contactor coil of the second control switch 12, and the cathode of contactor coil is connected to described
The cathode of second accessory power supply.
Specifically, the second instruction device 17 can be indicator light.
The electronic box autogamy circuit control system that foregoing invention embodiment provides, in the first control of setting on the major loop in electronic box
Switch 11 and the second control switch 12 are made, battery modules itself are controlled by the first control switch 11 and the second control switch 12
Power supply outward.Before carrying out electronic box replacement, the first control switch 11 and the second control switch 12 are disconnected by processor 13, in turn
The major loop powered outward by the battery modules itself changed in electronic box is disconnected, can isolate the battery modules in each electronic box, is prevented
Only battery modules itself are powered outward, are asked safely so as to avoid being changed electronic box high pressure bring itself in electronic box replacement process
Topic, improves the security performance of electronic box.
The embodiment of the present invention provides a kind of electronic box 40, as shown in Figure 4, comprising: described in any possible implementation as above
Electronic box autogamy circuit control system 10.
The embodiment of the present invention provides a kind of delivery vehicle 50, as shown in Figure 5, comprising: any possible implementation as above
The electronic box 40.
The embodiment of the present invention provides a kind of electronic box autogamy circuit control method, is suitable for any possible implementation as above
The electronic box autogamy circuit control system, applied to the preparation work process before electronic box replacement, the method is implemented in processing
Device, as shown in Figure 6, comprising:
601, when receiving electronic box replacement instruction, the first control switch and the second control switch are disconnected.
It should be noted that electronic box replacement instruction can be issued by user；It can also be sent out by the control centre of delivery vehicle
Out, when control centre detects that delivery vehicle needs replacing electronic box, lower electricity usually is carried out to the high pressure of entire delivery vehicle, i.e.,
The positive and negative relay in entire delivery vehicle major loop is disconnected, and sends electronic box replacement instruction to processor.When processor receives
When replacing instruction to electronic box, the first control switch and the second control switch are disconnected first.
603, it replaces and instructs to control centre's sending mode of delivery vehicle, so that the delivery vehicle enters replacement electronic box
Mode.
After disconnecting the first control switch and the second control switch, the major loop that battery modules itself are powered outward is cut
Disconnected, processor is replaced to control centre's sending mode of delivery vehicle and is instructed at this time, to confirm that delivery vehicle can enter replacement
Electronic box mode, namely electronic box replacement can be carried out in next step.
The electronic box autogamy circuit control method that foregoing invention embodiment provides, in the first control of setting on the major loop in electronic box
System switch and the second control switch disconnect the first control switch and second when processor receives electronic box replacement instruction first
Control switch, then delivery vehicle just enters replacement electronic box mode.Technical solution provided in an embodiment of the present invention can carry out
Before electronic box replacement, the major loop powered outward by the battery modules itself changed in electronic box is cut off, that is, the battery in electronic box has been isolated
Mould group prevents battery modules itself from powering outward, so as to avoid being changed electronic box high pressure belt itself in electronic box replacement process
Safety problem, improve the security performance of electronic box.
Furthermore, it is understood that, in order to improve the safety guarantee in electronic box replacement process, needing to pass through in conjunction with preceding method process
The first safe unit and the second safe unit in control system ensure the battery in electronic box replacement process in electronic box respectively
The major loop of mould group and external connection is still off-state (i.e. the first control switch and the second control switch are in an off state),
Alternatively possible implementation based on this embodiment of the present invention additionally provides following methods process, execute step 603 it
Before, as shown in fig. 7, the method also includes:
602, detect first control switch the unlatching for opening or closing state and second control switch or
Closed state.
Wherein, described to detect first control switch to the replacement instruction of control centre's sending mode of delivery vehicle
And second control switch execution when being off-state.
In step 602, processor pass through respectively the first safe unit and the second safe unit detect the first control switch and
Second control switch opens or closes state, specific confirmation method, it is seen that following step.
Furthermore, it is understood that in conjunction with preceding method process, the alternatively possible implementation of the embodiment of the present invention, difference needle
The possible realization of following two is additionally provided to the determination for opening or closing state of the first control switch and the second control switch
Mode.
The first implementation, when for the first control switch, first safe unit includes the first detection power supply, the
One level detection module, first resistor and the first electrical isolation module detect the unlatching of first control switch in step 602
Or closed state, comprising:
Step 1 obtains first level detection module to the level measurements of first control switch.
When the first level detection module is connected to Different electrodes (positive or negative pole) of the first detection power supply, processor root
Determine that the first control switch opens or closes the regular also different of state according to measurement result, specific as follows:
(1) first level detection module is connected to the cathode of the first detection power supply:
Step 2A, when the level measurements are low level, determine that first control switch is in an off state.
Step 2B, when the level measurements are high level, it is determined that first control switch is in closed form
State.
(2) first level detection module is connected to the anode of the first detection power supply:
Step 2C, when the level measurements are high level, determine that first control switch is in an off state.
Step 2D, when the level measurements are low level, it is determined that first control switch is in closed form
State.
Second of implementation, when for the second control switch, second safe unit includes the second detection power supply, the
Two level detection modules, second resistance and the second electrical isolation module detect the unlatching of second control switch in step 602
Or closed state, comprising:
Step 1 obtains the second electrical level detection module to the level measurements of second control switch.
When second electrical level detection module is connected to Different electrodes (positive or negative pole) of the second detection power supply, processor root
Determine that the second control switch opens or closes the regular also different of state according to measurement result, specific as follows:
(1) the second electrical level detection module is connected to the cathode of the second detection power supply:
Step 2A, when the level measurements are low level, determine that second control switch is in an off state.
Step 2B, when the level measurements are high level, it is determined that second control switch is in closed form
State.
(2) the second electrical level detection module is connected to the anode of the second detection power supply:
Step 2C, when the level measurements are high level, determine that second control switch is in an off state.
Step 2D, when the level measurements are low level, it is determined that second control switch is in closed form
State.
Furthermore, it is understood that in conjunction with preceding method process, the alternatively possible implementation of the embodiment of the present invention, with electronic
Vehicle, and for the function of processor is integrated in CSC, provide realization process in detail below.When full-vehicle control Spot detection
To when needing replacing electronic box, lower electricity can be carried out to vehicle high pressure first, and issue electronic box replacement instruction to CSC, to disconnect first
Control switch and the second control switch；What then CSC detected the first control switch and the second control switch opens or closes state,
If confirmation disconnect, note that full-vehicle control center enter replacement electronic box mode, if detect the first control switch and/or
Second control switch is still within closed state, just responds once more to electronic box replacement instruction, disconnects the first control switch and second
Control switch, until confirming that two control switches disconnect.It is exactly the lower ray mode for entering lower electricity into replacement electronic box mode,
At this moment need whether the instruction device (can be indicator light) in manual confirmation electronic box is extinguished, if extinguished, so that it may start more
Electronic box is changed, if do not extinguished, just restarts the workflow of primary replacement electronic box.Electronic box after replacement enters back into vehicle
When operational mode, CSC can be received by controller local area network (Controller Area Network, CAN) and be come from vehicle
The closing control switch of control centre instructs, and is closed the first control switch and the second control switch, constitutes vehicle high tension loop.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (13)
1. a kind of electronic box autogamy circuit control system characterized by comprising
First control switch is connected to the anode of battery modules；
Second control switch is connected to the cathode of the battery modules；Wherein, first control switch and second control
Switch is all set in the major loop of the battery modules, is powered outward for controlling the battery modules itself；
Processor opens or closes state for regulate and control first control switch and second control switch.
2. system according to claim 1, which is characterized in that further include:
First safe unit opens or closes state for detect first control switch；And/or
Second safe unit opens or closes state for detect second control switch.
3. system according to claim 2, which is characterized in that first safe unit includes:
The positive and negative anodes of first detection power supply, the first detection power supply are connected respectively by the first level detection module and first resistor
It is connected to the input/output terminal of first control switch；
First level detection module, is also connected to the processor, and carries out for the level to first control switch
Measurement, and obtain measurement result；
The first resistor, the safety for circuit where ensureing the first resistor；
First electrical isolation module, for first level detection module to be isolated；
Wherein, what the processor was also used to judge according to the measurement result first control switch opens or closes shape
State.
4. system according to claim 2, which is characterized in that second safe unit includes:
The positive and negative anodes of second detection power supply, the second detection power supply are connected respectively by second electrical level detection module and second resistance
It is connected to the input/output terminal of second control switch；
The second electrical level detection module, is also connected to the processor, and carries out for the level to second control switch
Measurement, and obtain measurement result；
The second resistance, the safety for circuit where ensureing the second resistance；
Second electrical isolation module, for the second electrical level detection module to be isolated；
Wherein, what the processor was also used to judge according to the measurement result second control switch opens or closes shape
State.
5. system according to claim 1, which is characterized in that the first end of the processor is connected to first control
The control terminal of switch, the second end of the processor are connected to the control terminal of second control switch.
6. system according to claim 5, which is characterized in that further include:
First power switch, the processor regulate and control unlatching or the pass of first control switch by first power switch
Closed state；And/or
Second power switch, the processor regulate and control unlatching or the pass of second control switch by second power switch
Closed state.
7. system according to claim 6, which is characterized in that
First power switch includes grid, source electrode and drain electrode, and the control terminal of first control switch includes contactor line
Circle；Wherein, grid is connected to the first end of the processor, and drain electrode is connected to the anode of the first accessory power supply, and source electrode is connected to
The anode of contactor coil, the cathode of contactor coil are connected to the cathode of first accessory power supply；And/or
Second power switch includes grid, source electrode and drain electrode, and the control terminal of second control switch includes contactor line
Circle；Wherein, grid is connected to the second end of the processor, and drain electrode is connected to the anode of the second accessory power supply, and source electrode is connected to
The anode of contactor coil, the cathode of contactor coil are connected to the cathode of second accessory power supply.
8. system according to claim 5, which is characterized in that further include:
First instruction device is connected between the first end of the processor and the control terminal of first control switch, is used for
Indicate first control switch opens or closes state；And/or
Second instruction device is connected between the second end of the processor and the control terminal of second control switch, is used for
Indicate second control switch opens or closes state.
9. a kind of electronic box characterized by comprising electronic box autogamy circuit control system as claimed in any one of claims 1 to 8
System.
10. a kind of delivery vehicle characterized by comprising electronic box as claimed in claim 9.
11. a kind of electronic box autogamy circuit control method, which is characterized in that be suitable for electricity as claimed in any one of claims 1 to 8
Case autogamy circuit control system, is implemented in processor, comprising:
When receiving electronic box replacement instruction, the first control switch and the second control switch are disconnected；
It replaces and instructs to control centre's sending mode of delivery vehicle, so that the delivery vehicle enters replacement electronic box mode.
12. according to the method for claim 11, which is characterized in that the electronic box autogamy circuit control system further includes first
Safe unit and the second safe unit, then it is described before the replacement instruction to control centre's sending mode of delivery vehicle
Method further include:
Detect first control switch open or close state and second control switch open or close state；
Wherein, it is described to control centre's sending mode of delivery vehicle replacement instruction detect first control switch and
Execution when second control switch is off-state.
13. according to the method for claim 12, which is characterized in that
First safe unit includes the first detection power supply, the first level detection module, first resistor and the first electrical isolation
Module, detection first control switch open or close state, comprising: obtain first level detection module pair
The level measurements of first control switch；When the level measurements are low level, first control is determined
Switch is in an off state, wherein first level detection module is connected to the cathode of the first detection power supply；When described
When level measurements are high level, determine that first control switch is in an off state；Wherein, first level detection
Module is connected to the anode of the first detection power supply；
Second safe unit includes the second detection power supply, second electrical level detection module, second resistance and the second electrical isolation
Module, detection second control switch open or close state, comprising: obtain the second electrical level detection module pair
The level measurements of second control switch；When the level measurements are low level, second control is determined
Switch is in an off state, wherein the second electrical level detection module is connected to the cathode of the second detection power supply；When described
When level measurements are high level, determine that second control switch is in an off state, wherein the second electrical level detection
Module is connected to the anode of the second detection power supply.
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| CN201810346957.XA CN110391471B (en) | 2018-04-18 | 2018-04-18 | Electric box self-distribution circuit control system and method, electric box and delivery vehicle |
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|---|---|---|---|
| CN201810346957.XA CN110391471B (en) | 2018-04-18 | 2018-04-18 | Electric box self-distribution circuit control system and method, electric box and delivery vehicle |
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| CN110391471B CN110391471B (en) | 2021-12-21 |
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