CN107933340A - The cold high power charging device of liquid and its monitoring method - Google Patents
The cold high power charging device of liquid and its monitoring method Download PDFInfo
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- CN107933340A CN107933340A CN201711082923.6A CN201711082923A CN107933340A CN 107933340 A CN107933340 A CN 107933340A CN 201711082923 A CN201711082923 A CN 201711082923A CN 107933340 A CN107933340 A CN 107933340A
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- 239000007788 liquid Substances 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000012544 monitoring process Methods 0.000 title claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 71
- 239000002828 fuel tank Substances 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 8
- 239000000110 cooling liquid Substances 0.000 claims description 7
- 239000004020 conductor Substances 0.000 description 19
- 230000004888 barrier function Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 208000033999 Device damage Diseases 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
-
- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
-
- H02J7/0088—
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20927—Liquid coolant without phase change
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention discloses the monitoring method of a kind of cold high power charging device of liquid and the cold high power charging device of liquid, wherein the cold high power charging device of liquid includes charging cable, charge controller and cooling system, one end of charging cable is connected with charging gun, charging gun is equipped with heat sensor, cooling system includes fuel tank, oil pump and radiator, fuel tank, oil pump and radiator are connected by pipeline with charging cable, form cooling circuit；Heat sensor is connected with charge controller；Heat sensor, detects the operating temperature of charging gun two-terminal；Charge controller judges whether operating temperature is more than the first preset temperature threshold value；If so, turn down in the range of charging current to predetermined current or stop charging.Technical solution of the present invention can improve the reliability of the cold high power charging device of liquid.
Description
Technical field
The present invention relates to the cold high-power charging technique field of liquid, the monitoring of more particularly to a kind of cold high power charging device of liquid
Method and the cold high power charging device of liquid.
Background technology
With the maturation of electric vehicle engineering, the occupancy of electric automobile is gradually being lifted.When the battery electricity of electric automobile
, it is necessary to charge to special power station during amount deficiency.
Two main power cables of charging station are docked with automobile during charging, are started to charge up after powering on.Automobile charges
During electric current it is very big, easily so that cable or charging equipment fever.For this reason, the prior art by setting liquid in the cable
Cold loop, if absorbing the heat in charging process, reduces the temperature rise in charging process, in time heat dissipation.Conductor passes through liquid cooling system
Radiate and more times of electric current can be overloaded, but the cold high power charging device operation irregularity of liquid can not but detect in time, can lead
Itself current capacity of reason conductor not enough burns out the cold high power charging device of liquid.
The content of the invention
The main object of the present invention is to provide a kind of cold high power charging device of liquid, it is intended to improves the cold high-power charging dress of liquid
The reliability put.
To achieve the above object, the cold high power charging device of liquid proposed by the present invention, including charging cable, charge controller
And cooling system, one end of the charging cable are connected with charging gun, the charging gun is equipped with heat sensor, the cooling system
Including fuel tank, oil pump and radiator, the fuel tank, oil pump and radiator are connected by pipeline with the charging cable, are formed cold
But circuit；The heat sensor is connected with the charge controller；Wherein
The heat sensor, detects the operating temperature of charging gun two-terminal；
The charge controller judges whether the operating temperature is more than the first preset temperature threshold value；If so, turn charging down
In the range of electric current to predetermined current or stop charging.
Preferably, the cooling system further includes flowmeter, and the flowmeter is arranged at the cooling circuit；
The flow of cooling liquid in the flowmeter detection liquid cooling system pipeline；
The charge controller judges whether the flow is less than preset flow threshold value, if so, turning charging current down to pre-
If in current range or stop charging.
Preferably, the cooling system further includes temperature sensor, and the temperature sensor is arranged at the cooling circuit；
Chilled liquid temperature in the temperature sensor detection liquid cooling system pipeline；
Whether chilled liquid temperature described in the charge controller interpretation is more than the second preset temperature value；Filled if so, turning down
In the range of electric current to predetermined current or stop charging.
Preferably, the cold high power charging device of the liquid includes current sensor；
Electric current in the current sensor detection charging cable；
The charge controller judges whether the electric current is more than predetermined current threshold；If so, charging current is turned down to pre-
If in current range or stop charging.
Preferably, the predetermined current scope is configured according to itself current capacity of the charging cable.
The present invention also proposes a kind of monitoring method of the cold high power charging device of liquid, and the cold high power charging device of the liquid includes
Charging cable, one end of the charging cable are provided with charging gun, which is provided with liquid cooling system, and this method includes：
Detect the operating temperature of charging gun two-terminal；
Judge whether the operating temperature is more than the first preset temperature threshold value；
If so, turn down in the range of charging current to predetermined current or stop charging.
Preferably, the method further includes：
Detect the flow of the cooling liquid in liquid cooling system pipeline；
Judge whether the flow is less than preset flow threshold value；
If so, turn down in the range of charging current to predetermined current or stop charging.
Preferably, the chilled liquid temperature in liquid cooling system pipeline is detected；
Whether chilled liquid temperature described in interpretation is more than the second preset temperature value；
If so, turn down in the range of charging current to predetermined current or stop charging.
Preferably, the method further includes：
Detect the electric current in charging cable；
Judge whether the electric current is more than predetermined current threshold；
If so, turn down in the range of charging current to predetermined current or stop charging.
It is cold big to form a kind of liquid by setting charging cable, charge controller and cooling system for technical solution of the present invention
Power charging unit.Be provided with heat sensor in a cooling system, the temperature of charging gun be detected, when charging system because
When faults itself causes output current excessive, the temperature rise abnormity of charging gun, the work temperature that heat sensor will detect at this time
Degree is transmitted to charge controller, and controller confirms the cold high power charging device of liquid there are failure, by charging current tune after judgement
As low as default current range, ensures that the cold high power charging device of liquid is in a safe condition.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Structure according to these attached drawings obtains other attached drawings.
Fig. 1 is the structure diagram of cold one embodiment of high power charging device of liquid of the present invention；
Fig. 2 is the first pass figure of one embodiment of monitoring method of the cold high power charging device of liquid of the present invention；
Fig. 3 is the second flow chart of one embodiment of monitoring method of the cold high power charging device of liquid of the present invention；
Fig. 4 is the 3rd flow chart of one embodiment of monitoring method of the cold high power charging device of liquid of the present invention；
Fig. 5 is the 4th flow chart of one embodiment of monitoring method of the cold high power charging device of liquid of the present invention.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 10 | Charging cable | 21 | Fuel tank |
| 11 | Charging gun | 22 | Oil pump |
| 12 | Main power terminal | 23 | Flowmeter |
| 13 | Heat sensor | 24 | Radiator |
| 20 | Pipeline |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining the relative position relation under a certain particular pose (as shown in drawings) between each component, motion conditions etc., if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is only used for description purpose, and it is not intended that referring to
Show or imply its relative importance or imply the quantity of the technical characteristic indicated by indicating.Thus, " first ", " are defined
At least one this feature can be expressed or be implicitly included to two " feature.In addition, the technical solution between each embodiment can
To be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical solution occurs
It is conflicting or when can not realize should people think that the combination of this technical solution is not present, also not in the protection of application claims
Within the scope of.
The present invention proposes a kind of cold high power charging device of liquid.
Reference Fig. 1, in embodiments of the present invention, the cold high power charging device of the liquid, including charging cable 10, charge control
Device (not shown) and cooling system (not indicating), one end of the charging cable 10 are connected with charging gun 11, the charging gun 11
Equipped with heat sensor 13.The cooling system includes fuel tank 21, oil pump 22 and radiator 24, the fuel tank 21, oil pump 22 and dissipates
Hot device 24 is connected by pipeline 20 with the charging cable 10, forms cooling circuit, and 20 part of pipeline is arranged at described fill
Electrical cables 10；The heat sensor 13 is connected with the charge controller.Radiator 24 and oil pump are respectively connected with plug, the plug
Include fire line terminal L, zero terminal N and ground terminal GND.
The heat sensor 13, detects the operating temperature of charging gun two-terminal；The charge controller judges the work
Whether temperature is more than the first preset temperature threshold value；If so, turn down in the range of charging current to predetermined current or stop charging；If
It is no, then continue to detect the operating temperature of charging gun two-terminal.
High-power charging process, high current is by 10 two main lines of charging cable, then passes through two main 12 Hes of power terminal
Vehicle socket connects, and the electric current passed through in the conductor of charging cable 10 may be up to hundreds of amperes, can produce substantial amounts of heat.
Cooling oil is flowed by 22 driving cycle of oil pump, and cooling oil enters oil pump 22 from fuel tank 21, after the outflow of oil pump 22
Radiator 24 (to a cooling oil cooling and heat dissipation) outflow is flowed through, the liquid cooling pipe road of charging cable 10 is entered after outflow, from liquid cooling pipe
Road flows through the main power terminal 12 of charging gun and is flowed out again from liquid cooling pipe road, and the cooling oil after outflow is returned to fuel tank 21, so circulation
Flowing.The pin terminal of the conductor of charging cable 10 and charging gun 11 in charging process is taken away by cooling oil flowing contact to produce
Heat, then heat is discharged to by outside by radiator 24.
The operating temperature detected is converted to electric signal by heat sensor 13, is sent to charge controller.Charge controller
In be stored with the maximum operating temperature of charging gun 11, be the first preset temperature threshold value.When the operating temperature detected is higher than the
, it is necessary to which charging current is reduced during one preset temperature threshold value, damaged to avoid charging gun 11.It can determine whether at this time as liquid cooling system event
Charging current can be dropped within the scope of conductor itself current capacity or stopped charging, conductor itself by barrier, charge controller
Current capacity can be determined according to the requirement of each relevant criterion.
It is cold to form a kind of liquid by setting charging cable 10, charge controller and cooling system for technical solution of the present invention
High power charging device.Heat sensor 13 is provided with a cooling system, and the temperature of charging gun is detected, works as charging system
Because when faults itself causes output current excessive, the temperature rise abnormity of charging gun, at this time heat sensor 13 will detect
Operating temperature is transmitted to charge controller, and controller confirms that the cold high power charging device of liquid there are failure, will charge after judgement
Electric current is turned down to default current range, ensures that the cold high power charging device of liquid is in a safe condition.
Further, the cooling system further includes flowmeter 23, and the flowmeter 23 is arranged at the cooling circuit；Institute
State the flow for the cooling liquid that flowmeter 23 is detected in liquid cooling system pipeline；The charge controller judges whether the flow is small
In preset flow threshold value, if so, turning down in the range of charging current to predetermined current or stopping charging.
It should be noted that when oil pump 22 breaks down, 22 spin down of oil pump or stop operating, cooling oil flow becomes
Small or stopping flowing, flowmeter 23 detects that data on flows diminishes at this time, when flow number is less than preset flow threshold value, can sentence
Breaking can drop within the scope of conductor itself current capacity or stop by charging current for liquid cooling system malfunction, charge controller
Only charge, conductor itself current capacity can be determined according to the requirement of each relevant criterion.
When liquid cooling pipe road leaks, cooling oil leakage quantity reaches a timing, and oil can gradually reduce in fuel tank 21 and pipeline,
Last flow can be progressively smaller until do not have, and same flowmeter 23 detects that data on flows diminishes, when data are less than preset flow
It during threshold value, can determine whether that charging current can be dropped to the scope of conductor itself current capacity for liquid cold fault state, charge controller
Within or stop charging, conductor itself current capacity can be determined according to the requirement of each relevant criterion.
In addition, when liquid cooling pipe road runs into bending or blocks, cooling oil can stop flowing or flow is too small, and flowmeter 23 is examined
Data on flows is measured to diminish.When flow number is less than preset flow threshold value, can determine whether as liquid cooling system malfunction, charging control
Charging current can be dropped within the scope of conductor itself current capacity or stopped charging by device processed, and conductor itself current capacity can
Determined according to the requirement of each relevant criterion.
Further, the cooling system further includes temperature sensor (not indicating), and the temperature sensor is arranged at institute
State cooling circuit；In the present embodiment, temperature sensor is integral type with flowmeter 23.The integral type is connected with plug, plug
It is upper to include power supply terminal VCC, temperature signal output terminal Vout 1, flow signal output terminal Vout 2 and ground terminal GND.
Chilled liquid temperature in the temperature sensor detection liquid cooling system pipeline；
Whether chilled liquid temperature described in the charge controller interpretation is more than the second preset temperature value；Filled if so, turning down
In the range of electric current to predetermined current or stop charging.
When radiator 24, which breaks down, to be radiated, cooling oil temperature can be stepped up, cooling oil temperature detection
When detecting that temperature value is higher than the second preset temperature value, liquid cooling system failure can determine whether, charge controller can drop charging current
Within the scope of to conductor itself current capacity or stop charging, conductor itself current capacity can be required according to each relevant criterion
To determine.
Further, the cold high power charging device of the liquid includes current sensor (not shown)；
Electric current in the current sensor detection charging cable 10；
The charge controller judges whether the electric current is more than predetermined current threshold；If so, charging current is turned down to pre-
If in current range or stop charging.
When the cold high power charging device damage of liquid, the electric current of output is excessive, when electric current exceedes predetermined current threshold, then fills
Charging current can be dropped within the scope of conductor itself current capacity or stopped charging, conductor itself current capacity by electric controller
It can be determined according to the requirement of each relevant criterion.
In the present embodiment, the predetermined current scope is configured according to itself current capacity of the charging cable 10.
Technical solution of the present invention is detected in the course of work in real time by placing different types of sensor in liquid cooling system
Each Parameters variation, the signal provided by sensor can inform charging pile or other electrically-charging equipments, each component in liquid cooling system therefore
Barrier is abnormal, provides criterion in time.To allow charging pile or other electrically-charging equipments to take drop electric current or stopping charging measure.
With protection staff, equipment, the safety of vehicle.
With reference to Fig. 2, the present invention also proposes a kind of monitoring method of the cold high power charging device of liquid, the cold high-power charging of the liquid
Device includes charging cable 10, and one end of the charging cable 10 is provided with charging gun, which is provided with the cold system of liquid
System, this method include：
S101, the operating temperature for detecting charging gun two-terminal；
S102, judge whether the operating temperature is more than the first preset temperature threshold value；
S103, if so, turn down in the range of charging current to predetermined current or stop charging, while judge liquid cooling system therefore
Barrier, sends alarm signal, which can be any one in sound, light, electricity.
In the present embodiment, the operating temperature detected is converted to by electric signal by heat sensor 13, is sent to charging control
Device processed.The maximum operating temperature of charging gun is stored with charge controller, is the first preset temperature threshold value.When the work detected
Make when temperature is higher than the first preset temperature threshold value, it is necessary to charging current be reduced, to avoid charging gun damage.Can determine whether at this time for
Charging current can be dropped within the scope of conductor itself current capacity or stopped charging by liquid cooling system failure, charge controller,
Conductor itself current capacity can be determined according to the requirement of each relevant criterion.
With reference to Fig. 3, further, the method further includes：
S201, detection liquid cooling system pipeline in cooling liquid flow；
S202, judge whether the flow is less than preset flow threshold value；
S203, if so, turn down in the range of charging current to predetermined current or stop charging, while judge liquid cooling system therefore
Barrier, sends alarm signal, which can be any one in sound, light, electricity.
In the present embodiment, the changes in flow rate of the cooling liquid in pipeline is monitored by flowmeter 23.It is less than in flow default
During flow threshold, including following three kinds of situations：
1st, when oil pump 22 breaks down, 22 spin down of oil pump or stop operating, cooling oil flow diminishes or stop stream
Dynamic, flowmeter 23 detects that data on flows diminishes at this time.
2nd, when liquid cooling pipe road leaks, cooling oil leakage quantity reaches a timing, and oil can progressively subtract in fuel tank 21 and pipeline
Few, last flow, which can be progressively smaller until, not to be had, and same flowmeter 23 detects that data on flows diminishes.
3rd, when liquid cooling pipe road runs into bending or blocks, cooling oil can stop flowing or flow is too small, and flowmeter 23 detects
Diminish to data on flows.
With reference to Fig. 4, further, this method further includes：
Chilled liquid temperature in S301, detection liquid cooling system pipeline；
Whether chilled liquid temperature described in S302, interpretation is more than the second preset temperature value；
S303, if so, turn down in the range of charging current to predetermined current or stop charging, while judge liquid cooling system therefore
Barrier, sends alarm signal, which can be any one in sound, light, electricity.
It should be noted that chilled liquid temperature is detected by temperature sensor in the present embodiment, the temperature sensor
It is integral type with above-mentioned flowmeter 23.
With reference to Fig. 5, further, the method further includes：
Electric current in S401, detection charging cable 10；
S402, judge whether the electric current is more than predetermined current threshold；
S403, if so, turn down in the range of charging current to predetermined current or stop charging, while judge that liquid is cold high-power
Charging unit failure, sends alarm signal, which can be any one in sound, light, electricity.
When the cold high power charging device damage of liquid, the electric current of output is excessive, when electric current exceedes predetermined current threshold, then fills
Charging current can be dropped within the scope of conductor itself current capacity or stopped charging by electric controller.
The foregoing is merely the preferred embodiment of the present invention, is not intended to limit the scope of the invention, every at this
Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in the scope of patent protection of the present invention.
Claims (9)
1. a kind of cold high power charging device of liquid, it is characterised in that the cold high power charging device of liquid includes charging cable, fills
Electric controller and cooling system, one end of the charging cable are connected with charging gun, and the charging gun is equipped with heat sensor, described
Cooling system includes fuel tank, oil pump and radiator, and the fuel tank, oil pump and radiator are connected by pipeline and the charging cable
Connect, form cooling circuit；The heat sensor is connected with the charge controller；Wherein
The heat sensor, detects the operating temperature of charging gun two-terminal；
The charge controller judges whether the operating temperature is more than the first preset temperature threshold value；If so, turn charging current down
In the range of to predetermined current or stop charging.
2. the cold high power charging device of liquid as claimed in claim 1, it is characterised in that the cooling system further includes flow
Meter, the flowmeter are arranged at the cooling circuit；
The flow of cooling liquid in the flowmeter detection pipeline；
The charge controller judges whether the flow is less than preset flow threshold value, if so, turning charging current down to default electricity
In the range of stream or stop charging.
3. the cold high power charging device of liquid as claimed in claim 1, it is characterised in that the cooling system further includes temperature biography
Sensor, the temperature sensor are arranged at the cooling circuit；
Chilled liquid temperature in the temperature sensor detection pipeline；
Whether chilled liquid temperature described in the charge controller interpretation is more than the second preset temperature value；If so, turn charging electricity down
It flow in the range of predetermined current or stops charging.
4. the cold high power charging device of liquid as claimed in claim 1, it is characterised in that the cold high power charging device bag of liquid
Include current sensor；
Electric current in the current sensor detection charging cable；
The charge controller judges whether the electric current is more than predetermined current threshold；If so, charging current is turned down to default electricity
In the range of stream or stop charging.
5. the cold high power charging device of liquid as described in claim 1-4 any one, it is characterised in that the predetermined current model
Enclose and be configured according to itself current capacity of the charging cable.
6. a kind of monitoring method of the cold high power charging device of liquid, the cold high power charging device of the liquid includes charging cable, described
One end of charging cable is provided with charging gun, which is provided with liquid cooling system, it is characterised in that the monitoring method bag
Include：
Detect the operating temperature of charging gun two-terminal；
Judge whether the operating temperature is more than the first preset temperature threshold value；
If so, turn down in the range of charging current to predetermined current or stop charging.
7. the monitoring method of the cold high power charging device of liquid as claimed in claim 6, it is characterised in that the detection method is also
Including：
Detect the flow of the cooling liquid in liquid cooling system pipeline；
Judge whether the flow is less than preset flow threshold value；
If so, turn down in the range of charging current to predetermined current or stop charging.
8. the monitoring method of the cold high power charging device of liquid as claimed in claim 6, it is characterised in that
Detect the chilled liquid temperature in the pipeline of liquid cooling system；
Whether chilled liquid temperature described in interpretation is more than the second preset temperature value；
If so, turn down in the range of charging current to predetermined current or stop charging.
9. the monitoring method of the cold high power charging device of liquid as claimed in claim 6, it is characterised in that the monitoring method is also
Including：
Detect the electric current in charging cable；
Judge whether the electric current is more than predetermined current threshold；
If so, turn down in the range of charging current to predetermined current or stop charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711082923.6A CN107933340A (en) | 2017-11-06 | 2017-11-06 | The cold high power charging device of liquid and its monitoring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711082923.6A CN107933340A (en) | 2017-11-06 | 2017-11-06 | The cold high power charging device of liquid and its monitoring method |
Publications (1)
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| CN108879823A (en) * | 2018-06-15 | 2018-11-23 | 深圳易瓦科技有限公司 | Liquid-cooled charging system for electric automobile and its liquid cooling method |
| CN109148032A (en) * | 2018-09-11 | 2019-01-04 | 张家港友诚新能源科技股份有限公司 | A kind of cooling system of high power DC charge connector |
| CN109216978A (en) * | 2018-09-11 | 2019-01-15 | 张家港友诚新能源科技股份有限公司 | A kind of cooling means of high power DC charge connector |
| CN110239383A (en) * | 2019-05-31 | 2019-09-17 | 南京康尼机电股份有限公司 | The high-power charging cooling system of new-energy automobile and its monitoring method |
| CN110281789A (en) * | 2019-05-28 | 2019-09-27 | 国网江苏省电力有限公司电力科学研究院 | A kind of source classification cooling control system and control method for high power wireless charging |
| DE102018116171A1 (en) | 2018-07-04 | 2020-01-09 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | aircraft |
| CN110758140A (en) * | 2019-10-17 | 2020-02-07 | 中通客车控股股份有限公司 | Liquid cooling charging system for new energy automobile and control method |
| CN110816340A (en) * | 2019-10-18 | 2020-02-21 | 洛阳嘉盛电源科技有限公司 | Heat dissipation system for high-power charging equipment |
| CN112335132A (en) * | 2018-06-27 | 2021-02-05 | Abb瑞士股份有限公司 | Charging device for electric vehicle |
| DE102019214024A1 (en) * | 2019-09-13 | 2021-03-18 | Te Connectivity Germany Gmbh | Contact pin with cooling channel system and electrical connector with such a contact pin |
| CN112578202A (en) * | 2020-11-30 | 2021-03-30 | 国网北京市电力公司 | Charging test system and electric automobile |
| CN113335103A (en) * | 2021-06-02 | 2021-09-03 | 上海艾姆倍新能源科技有限公司 | High-power charging pile cooling system and temperature control method |
| CN113428029A (en) * | 2021-05-26 | 2021-09-24 | 浙江吉利控股集团有限公司 | Liquid cooling system of high-power charging connector and control method thereof |
| CN113561807A (en) * | 2020-04-29 | 2021-10-29 | 台达电子企业管理（上海）有限公司 | Control method of charging current of electric automobile and charging device |
| CN113799632A (en) * | 2021-10-29 | 2021-12-17 | 广州锐速智能科技股份有限公司 | Cooling system and high-power liquid-cooled super quick-charging equipment |
| CN115841889A (en) * | 2023-02-23 | 2023-03-24 | 惠州市智电伟联新能源科技有限公司 | High-power rifle liquid cooling structure and rifle that charges of charging |
| WO2023125617A1 (en) * | 2021-12-30 | 2023-07-06 | 长春捷翼汽车科技股份有限公司 | Charging system and charging method for electric vehicle, and electric vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108879823A (en) * | 2018-06-15 | 2018-11-23 | 深圳易瓦科技有限公司 | Liquid-cooled charging system for electric automobile and its liquid cooling method |
| CN112335132A (en) * | 2018-06-27 | 2021-02-05 | Abb瑞士股份有限公司 | Charging device for electric vehicle |
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| CN113675680A (en) * | 2018-09-11 | 2021-11-19 | 张家港友诚新能源科技股份有限公司 | Cooling system and method for high-power direct-current charging connector |
| CN109148032A (en) * | 2018-09-11 | 2019-01-04 | 张家港友诚新能源科技股份有限公司 | A kind of cooling system of high power DC charge connector |
| CN109148032B (en) * | 2018-09-11 | 2023-10-27 | 张家港友诚新能源科技股份有限公司 | Cooling system of high-power direct-current charging connector |
| CN109216978A (en) * | 2018-09-11 | 2019-01-15 | 张家港友诚新能源科技股份有限公司 | A kind of cooling means of high power DC charge connector |
| CN110281789A (en) * | 2019-05-28 | 2019-09-27 | 国网江苏省电力有限公司电力科学研究院 | A kind of source classification cooling control system and control method for high power wireless charging |
| CN110239383A (en) * | 2019-05-31 | 2019-09-17 | 南京康尼机电股份有限公司 | The high-power charging cooling system of new-energy automobile and its monitoring method |
| DE102019214024A1 (en) * | 2019-09-13 | 2021-03-18 | Te Connectivity Germany Gmbh | Contact pin with cooling channel system and electrical connector with such a contact pin |
| CN110758140B (en) * | 2019-10-17 | 2020-08-18 | 中通客车控股股份有限公司 | Control method of liquid cooling charging system for new energy automobile |
| CN110758140A (en) * | 2019-10-17 | 2020-02-07 | 中通客车控股股份有限公司 | Liquid cooling charging system for new energy automobile and control method |
| CN110816340A (en) * | 2019-10-18 | 2020-02-21 | 洛阳嘉盛电源科技有限公司 | Heat dissipation system for high-power charging equipment |
| US11975623B2 (en) | 2020-04-29 | 2024-05-07 | Delta Electronics (Shanghai) Co., Ltd. | Method for controlling charging current of electric vehicle and charging device |
| CN113561807A (en) * | 2020-04-29 | 2021-10-29 | 台达电子企业管理（上海）有限公司 | Control method of charging current of electric automobile and charging device |
| CN112578202A (en) * | 2020-11-30 | 2021-03-30 | 国网北京市电力公司 | Charging test system and electric automobile |
| CN113428029A (en) * | 2021-05-26 | 2021-09-24 | 浙江吉利控股集团有限公司 | Liquid cooling system of high-power charging connector and control method thereof |
| CN113428029B (en) * | 2021-05-26 | 2022-09-27 | 浙江吉利控股集团有限公司 | Liquid cooling system of high-power charging connector and control method thereof |
| CN113335103A (en) * | 2021-06-02 | 2021-09-03 | 上海艾姆倍新能源科技有限公司 | High-power charging pile cooling system and temperature control method |
| CN113335103B (en) * | 2021-06-02 | 2022-06-17 | 上海艾姆倍新能源科技有限公司 | High-power charging pile cooling system and temperature control method |
| US11935672B2 (en) | 2021-07-30 | 2024-03-19 | Aptiv Technologies AG | Power cable assembly for a power distribution system having an integrated cooling system |
| CN113799632A (en) * | 2021-10-29 | 2021-12-17 | 广州锐速智能科技股份有限公司 | Cooling system and high-power liquid-cooled super quick-charging equipment |
| WO2023125617A1 (en) * | 2021-12-30 | 2023-07-06 | 长春捷翼汽车科技股份有限公司 | Charging system and charging method for electric vehicle, and electric vehicle |
| CN115841889A (en) * | 2023-02-23 | 2023-03-24 | 惠州市智电伟联新能源科技有限公司 | High-power rifle liquid cooling structure and rifle that charges of charging |
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