CN109148032A - A kind of cooling system of high power DC charge connector - Google Patents
A kind of cooling system of high power DC charge connector Download PDFInfo
- Publication number
- CN109148032A CN109148032A CN201811058087.2A CN201811058087A CN109148032A CN 109148032 A CN109148032 A CN 109148032A CN 201811058087 A CN201811058087 A CN 201811058087A CN 109148032 A CN109148032 A CN 109148032A
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- Prior art keywords
- liquid
- charging
- cooling
- cooling system
- charge connector
- Prior art date
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- 238000001816 cooling Methods 0.000 title claims abstract description 78
- 239000007788 liquid Substances 0.000 claims abstract description 88
- 238000005192 partition Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 12
- 239000002826 coolant Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
- H01B7/423—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using a cooling fluid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
-
- 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
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20263—Heat dissipaters releasing heat from coolant
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
-
- 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
- Y02T90/14—Plug-in electric vehicles
Abstract
The invention discloses a kind of cooling systems of high power DC charge connector that active cooling can be carried out to charge connector, it include: liquid reserve tank, inlet pipe, liquid back pipe road, hydraulic pump, be arranged in charging gun with a pair of of one-to-one cooling chamber of direct current inserting terminal, and the temperature sensor at least one direct current inserting terminal being disposed therein, and the cooling controller being connected with temperature sensor, cooling controller is also connected with the control terminal of the hydraulic pump, the inlet of the inlet pipe and the liquid outlet on liquid back pipe road are respectively positioned in liquid reserve tank, the liquid outlet of inlet pipe is connected with the inlet of two cooling chambers, the inlet on liquid back pipe road is connected with the liquid outlet of two cooling chambers, the hydraulic pump string is located in the inlet pipe.Cooling system of the present invention is particularly suitable for being cooled down to the charge connector that the electric car in use process charges.
Description
Technical field
The present invention relates to a kind of charging guns to electric vehicle charging, and in particular to connects to a kind of charging of high power DC
Connect the cooling system of device.
Background technique
Insider all know that the charging time cannot be too long when charging to the electric car in use process, it is
This, it is necessary to high current charges to electric car.Currently, natural air cooled due to all being used to charging gun and charging cable
The method of (passive cooling), does not install active cooling mechanism additional, the charging gun being equipped with to adapt to large current charge needs
Volume is bigger, charging cable line footpath is very thick, so that charging gun and charging cable are all very heavy, operator is used
Very difficultly, to considerably increase labor intensity.
Summary of the invention
The technical problems to be solved by the present invention are: high power DC charge connector can be carried out actively by providing one kind
The cooling system of high power DC charge connector cooling, so as to substantially reduce charging gun and charging cable weight.
In order to solve the above technical problems, the technical scheme adopted by the invention is as follows: a kind of high power DC charge connector
Cooling system, the high power DC charge connector includes: that charging gun and connection charging gun and charge power supply are filled
Electrical cables, the specific structure of charging cable include: outer protective sleeve and a pair of of DC charging sheath for being threaded through in outer protective sleeve
Line is provided in the charging gun and a pair of corresponds the direct current inserting terminal being connected with corresponding DC charging sheathed cable；
The cooling system include: liquid reserve tank, inlet pipe, liquid back pipe road, hydraulic pump, be arranged in charging gun with described one
To the temperature in the one-to-one cooling chamber of direct current inserting terminal and at least one direct current inserting terminal being disposed therein
Degree sensor and the cooling controller that is connected with temperature sensor, cooling controller also with the control terminal phase of the hydraulic pump
Even, the inlet of the inlet pipe and the liquid outlet on liquid back pipe road are respectively positioned in liquid reserve tank, the liquid outlet of inlet pipe and institute
The inlet for two cooling chambers stated is connected, and the inlet on liquid back pipe road is connected with the liquid outlet of two cooling chambers, institute
The hydraulic pump string stated is located in the inlet pipe.
As a preferred embodiment, in the cooling system of the high power DC charge connector, the cooling
System further includes the air cooler for having string to be located in liquid back pipe road.
As a preferred embodiment, in the cooling system of the high power DC charge connector, the cooling chamber
Specific structure include: inner cover and rear cover, inner cover includes: a pair of plug-in unit mounting cylinder to connect together again, in plug-in unit mounting cylinder
Portion is disposed with the preceding baffle ring and rear baffle ring of lateral arrangement from front to back, plug-in unit mounting cylinder between forward and backward baffle ring circumferentially
Be provided at least one be connected with the rear end face of preceding baffle ring, longitudinally arranged preceding flow guiding dummy club and at least one and rear baffle ring
The front end face rear flow guiding dummy club that is connected, is longitudinally arranged, being staggered with preceding flow guiding dummy club, be additionally provided with partition between forward and backward baffle ring
Dike forms first diversion trench, separates dike and other side phase between partition the dike preceding flow guiding dummy club or rear flow guiding dummy club adjacent with side
Tail diversion trench is formed between adjacent preceding flow guiding dummy club or rear flow guiding dummy club；The rear cover includes: a pair of cylinder to connect together again
Lid, cover one-to-one correspondence are set on corresponding plug-in unit mounting cylinder, and there are two correspond with initial and end diversion trench for setting on cover
Inlet and liquid outlet；Preceding seal stopper ring, the plug-in unit mounting cylinder are provided between the inner wall of the preceding baffle ring and cover
Rear portion and cover inner wall between be provided with rear seal stopper ring, thus formed between cover and the middle part of plug-in unit mounting cylinder
Closed cooling chamber.
As a preferred embodiment, in the cooling system of the high power DC charge connector, described is forward and backward
The top of flow guiding dummy club is overlapped in the longitudinal direction.
As a preferred embodiment, in the cooling system of the high power DC charge connector, the inlet tube
The specific structure on road includes: a feed liquor input pipe and two feed liquor efferent ducts, and two feed liquor efferent ducts are threaded through charging cable
In, it is parallel with DC charging sheathed cable, one end of feed liquor input pipe is located in liquid reserve tank, the other end and the hydraulic pump into
Liquid mouth is connected, and one end of feed liquor efferent duct is connected with the liquid outlet of hydraulic pump, and the other end is connected with the inlet of corresponding cooling chamber.
As a preferred embodiment, in the cooling system of the high power DC charge connector, described is hydraulic
The liquid outlet of pump is connected by a feed liquor delivery trunk with the feed liquor efferent duct, is provided with pressure on feed liquor delivery trunk
Table.
As a preferred embodiment, in the cooling system of the high power DC charge connector, the liquid back pipe
The specific structure on road includes: two liquid back pipes, and two liquid back pipes are threaded through in charging cable, are parallel with DC charging sheathed cable.
As a preferred embodiment, in the cooling system of the high power DC charge connector, the liquid back pipe
The specific structure on road includes: two liquid back pipes, and two liquid back pipes are threaded through in charging cable, are parallel with DC charging sheathed cable.
The beneficial effects of the present invention are: cooling system of the present invention can be to the direct current in charging gun and charging cable
Charging sheath line and direct current inserting terminal carry out active cooling, can greatly reduce the volume and charging cable of charging gun in this way
Line footpath mitigates the weight of charging gun and charging cable, so as to substantially reduce the labor intensity of operator；Moreover, entire
The safety of charge connector is also ensured；In addition, the present invention is provided with air cooler in liquid back pipe road, when cold in liquid reserve tank
But when the temperature of liquid is greater than the set value, then starts air cooler work, the coolant liquid in liquid back pipe road is cooled down, to reduce storage
The temperature of coolant liquid in liquid case enables high power DC charge connector to work for more time, more reliablely and stablely.
Detailed description of the invention
Fig. 1 is the theory structure schematic diagram of cooling system of the present invention.
Fig. 2 is the configuration schematic diagram of a view directions of cooling chamber of the present invention.
Fig. 3 is the configuration schematic diagram of another view directions of cooling chamber of the present invention.
Fig. 4 is the schematic cross-sectional view of direct current inserting terminal of the present invention.
Fig. 5 is the mounting structure schematic diagram of thermistor of the present invention.
Fig. 6 is the schematic perspective view of cooling chamber of the present invention.
Appended drawing reference of the Fig. 1 into Fig. 6 are as follows: 2, inner cover, 20, inside interconnecting piece, 21, plug-in unit mounting cylinder, 211, preceding baffle ring,
212, rear baffle ring, 213, preceding flow guiding dummy club, 214, rear flow guiding dummy club, 215, partition dike, 216, rear cover positive stop lug boss, 217, head leads
Chute, 218, tail diversion trench, 219, retaining ring installation base, 23, preceding sealing ring, 24, rear sealing ring, 3, rear cover, 30, inside connection
Portion, 31, cylinder, 311, cooling adapter tube, 32, retaining ring, 33, cooling tube, 34, clamp；4, hydraulic pump, 5, thermistor, 6, direct current
Inserting terminal, 7, feed liquor delivery trunk, 8, liquid back pipe, 9, driving motor, 10, air cooler, 11, liquid reserve tank, 12, filter, 13,
Feed liquor input pipe, 14, feed liquor efferent duct, 15, time liquid general pipeline, 16, cooling controller, 17, pressure gauge, 18, feed liquor connecting tube；
51, ontology, 52, pin, 60, terminal body, 61, ontology placement hole, 611, end cap mounting hole, 62, pin via hole, 63, outlet
Handle hole, 64, lead placement hole, 65, rotation stop positioning surface, 651, pin leadout hole, 66, wire restraint step, 67, ontology limit
Step.
Specific embodiment
With reference to the accompanying drawing, a kind of cooling system of high power DC charge connector described in the present invention is described in detail
Specific embodiment.
High power DC charge connector of the present invention, comprising: charging gun and connection charging gun and charge power supply
Charging cable, the specific structure of charging cable includes: outer protective sleeve and a pair of of DC charging for being threaded through in outer protective sleeve
Sheathed cable is provided in the charging gun and a pair of corresponds the direct current inserted terminal being connected with corresponding DC charging sheathed cable
Son, charging cable, charging gun and the direct current inserting terminal being arranged in charging gun belong to the conventional techniques of this field, also not
It is the object of protection of the present invention, as shown in Figure 1, it is a kind of high power DC charge connector that the present invention is claimed
Cooling system, structure include: that hydraulic pump 4, a pair of direct current inserting terminal 6 being threaded through in charging gun, a pair of of setting are being charged
In rifle with the one-to-one cooling chamber of direct current inserting terminal 6, inlet pipe, liquid back pipe road, driving motor 9, liquid reserve tank 11, mistake
10, two filter 12, air cooler temperature-sensitives as temperature sensor being arranged in a one-to-one correspondence in corresponding direct current inserting terminal 6
Resistance 5 and the cooling controller 16 being connected with thermistor 5, cooling controller 16 also with the control terminal phase of driving motor 9
Even, the output shaft of driving motor 9 is connected with the input shaft of hydraulic pump 4；The specific structure of the inlet pipe includes: feed liquor input
Pipe 13 and two feed liquor efferent ducts 14, two feed liquor efferent ducts 14 are threaded through in charging cable, are parallel with DC charging sheathed cable,
One end of feed liquor input pipe 13 is located in liquid reserve tank 11, the other end by filter 12 and feed liquor connecting tube 18 with it is described hydraulic
The inlet of pump 4 is connected, it may be assumed that the other end of feed liquor input pipe 13 is connected with the input port of filter 12, the output of filter 12
Mouth is connected by feed liquor connecting tube 18 with the inlet of hydraulic pump 4, and one end of two feed liquor efferent ducts 14 is exported total by feed liquor
Pipe 7 is connected with the liquid outlet of hydraulic pump 4, and the other end of two feed liquor efferent ducts 14 is connected with the inlet of corresponding cooling chamber, into
Pressure gauge 17 is provided on liquid delivery trunk 7；The specific structure on the liquid back pipe road includes: that two liquid back pipes 8 and one return liquid
General pipeline 15, two liquid back pipes 8 are threaded through in charging cable, are parallel with DC charging sheathed cable, the inlet of two liquid back pipes 8 with
The liquid outlet of corresponding cooling chamber is connected, and the liquid outlet of two liquid back pipes 8 is connected with the input port of the air cooler 10, air cooler 10
Delivery outlet be connected with the input port for returning liquid general pipeline 15, the delivery outlet of time liquid general pipeline 15 is located in liquid reserve tank 11；Such as Fig. 2, Fig. 3 and
Shown in Fig. 6, the specific structure of the cooling chamber includes: inner cover 2 and rear cover 3, and the specific structure of inner cover 2 includes: that a pair passes through it
The plug-in unit mounting cylinder 21 that the interconnecting piece 20 of inside connects together, the middle part of plug-in unit mounting cylinder 21 are disposed with transverse direction from front to back
The preceding baffle ring 211 and rear baffle ring 212 of arrangement, plug-in unit mounting cylinder 21 is circumferentially arranged between preceding baffle ring 211 and rear baffle ring 212 to be had
One be connected with the rear end face of the preceding baffle ring 211, longitudinally arranged preceding flow guiding dummy club 213 and two and rear baffle ring 212
Rear flow guiding dummy club 214 (preceding flow guiding dummy club 213 and the rear water conservancy diversion that front end face is connected, is longitudinally arranged, being staggered with preceding flow guiding dummy club 213
The quantity of boss 214 according to the actual situation depending on), the top of forward and backward flow guiding dummy club 213 and 214 is overlapped in the longitudinal direction, again
The length of folded part accounts for the one third of its total length between 2/3rds, between preceding baffle ring 211 and rear baffle ring 212 also respectively
Be provided with partition dike 215, the partition dike 215 rear flow guiding dummy club 214 adjacent with left side forms first diversion trench 217, separate dike 215 and
Tail diversion trench 218 is formed between the adjacent rear flow guiding dummy club 214 in right side；The specific structure of the rear cover 3 includes: that a pair passes through it
The cover that inside interconnecting piece 30 connects together, cover include again: cylinder 31 and the retaining ring 32 that 31 tail portion of cylinder is arranged in；Cover
One-to-one correspondence is set on corresponding plug-in unit mounting cylinder 21, is provided on cover and the initial and end diversion trench 217 and 218 1
One corresponding cooling adapter tube 311, the inner end port of cooling adapter tube 311 is corresponding with initial and end diversion trench 217 and 218 respectively to be communicated, cold
But the outer end of adapter tube 311 is provided with coolant interface；Preceding sealing ring is provided between the inner wall of the preceding baffle ring 211 and lid 31
23, specific set-up mode are as follows: it is recessed that the preceding sealing annular matched with the preceding sealing ring 23 is offered on preceding baffle ring 211
Slot, preceding sealing ring 23 are arranged in preceding sealing annular groove；After being provided between the retaining ring 32 and plug-in unit mounting cylinder 21
Sealing ring 24, specific set-up mode are as follows: the plug-in unit mounting cylinder 21 is provided with and rear baffle ring 212 at rear 212 rear of baffle ring
The connected retaining ring installation base 219 of rear end face, circumferentially offer on retaining ring installation base 219 and matched with rear sealing ring 24
Rear sealing annular groove, the rear sealing ring 24 is arranged in rear sealing annular groove；In this way, cylinder 31 and retaining ring
Closed cooling chamber is formed between 32 and plug-in unit mounting cylinder 21.In the present embodiment, be provided on the plug-in unit mounting cylinder 21 with
The connected rear cover positive stop lug boss 216 of the front end face of the preceding baffle ring 211；As shown in Figure 4, Figure 5, the thermistor 5 plugs
In direct current inserting terminal 6, the specific structure of direct current inserting terminal 6 includes: terminal body 60, and terminal body 60 is from its front end end
The inward-facing ontology placement hole 61 successively offered along axial direction for disposing the ontology 51 of thermistor 5 and for disposing heat
The pin via hole 62 of the pin 52 of quick resistance 5, the diameter of pin via hole 62 is less than the diameter of ontology placement hole 61, thus in pin
Ontology limited step 67 is formed between via hole 62 and ontology placement hole 61 so that the ontology 51 of thermistor 5 be strapped in it is described
In ontology placement hole 61；The terminal body 60 is axially inwardly successively offered from its rear end end face for grafting conducting wire
The outlet handle hole 63 of lead placement hole 64 and communication conductive wire placement hole 64 and the pin via hole 62, outlet handle hole
63 diameter is less than the diameter in the lead placement hole 64, leads to be formed between lead placement hole 64 and outlet handle hole 63
Line limited step 66, the middle part of terminal body 60 are provided with rotation stop positioning surface 65, offered on rotation stop positioning surface 65 with it is described
The pin leadout hole 651 that outlet handle hole 63 communicates；In the present embodiment, inside edge in the front end surface of the terminal body 60
Axially offer the end cap mounting hole 611 that diameter is greater than ontology placement hole 61.
In practical application, the coolant liquid be insulating heat-conductive oil, in softened water and ethylene glycol any one or
Any combination between them；Further, since the normal use of the leakage contribution charge connector of coolant liquid even threatens the person
Safety is needed thus using liquid leakage detection system.In view of the cost of sensor, mounting means, measurement accuracy, select here
With diaphragm type liquid leakage sensor, liquid leakage detection system working principle is as follows, has on diaphragm type liquid leakage sensor
Transmission line layer, each unit area is equipped with certain resistance value, resistive circuit and transmission line on transmission line layer.Work as leakage
When generation, conducting liquid is contacted with transmission line layer, and resistance value will change, and diaphragm type liquid leakage sensor terminal is set
Have a controller, controller receives resistance and voltage value and is compared with setting value, if it is inconsistent will sound an alarm and cut off fill
The connection of electric rifle and charge power supply.
The course of work of the cooling system of high power DC charge connector of the present invention are as follows: in cooling controller 16
Control under, start driving motor 9 so that hydraulic pump 4 work, extract liquid reserve tank 11 in coolant liquid so that coolant liquid along
Parallel feed liquor efferent duct 14 enters in charging gun with the DC charging sheathed cable in charging cable, then, further along with fill
The parallel liquid back pipe 8 of DC charging sheathed cable in electrical cables returns in air cooler 10, passes through air cooler 10 and returns liquid general pipeline 15
Return in liquid reserve tank 11, coolant liquid during traveling to the direct current inserting terminal 6 in DC charging sheathed cable and charging gun into
Row cooling；Cooling controller 16 is by the 5 real-time monitoring direct current inserting terminal of thermistor in two direct current plug terminals 6 not
It is realized by adjusting the revolving speed of driving motor 9 and the power of air cooler 10 to charging electricity with the current temperature rise under environment temperature
The intelligence of cable is cooling, guarantees that high-power charge connector works normally within a reasonable temperature range.In this cooling system, adopt
Band is used to automatically shut down the diaphragm pump of pressure protecting function as hydraulic pump 4, the working condition of diaphragm pump and cooler is as follows:
1) when the temperature of direct current inserting terminal 6 is no more than 30 DEG C, cooling system is closed, it may be assumed that diaphragm pump and air cooler 10
Do not work；
2) when the temperature of direct current inserted terminal 6 is at 30 DEG C~50 DEG C, cooling system is opened, at this point, only diaphragm pump work；
3) when the temperature of direct current inserting terminal 6 is more than 50 DEG C, diaphragm pump and air cooler 10 are worked at the same time；
4) when the temperature of direct current inserting terminal 6 is more than 90 DEG C, then the connection of charging gun and charge power supply is cut off, at this point,
Diaphragm pump and air cooler 10 continue to work, and when the temperature of direct current inserting terminal 6 is reduced to 75 DEG C, charge connector opens again
It is dynamic, it starts to work.
In conclusion only presently preferred embodiments of the present invention, is not used to limit the scope of implementation of the present invention, it is all according to
Equivalent changes and modifications made by shape described in scope of the invention as claimed, construction, feature and spirit should all be included in this
In the scope of the claims of invention.
Claims (8)
1. a kind of cooling system of high power DC charge connector, the high power DC charge connector includes: charging
Rifle and the charging cable for connecting charging gun and charge power supply, the specific structure of charging cable include: outer protective sleeve and wear
A pair of of DC charging sheathed cable in outer protective sleeve is provided in charging gun a pair of a pair of with corresponding DC charging sheathed cable one
The direct current inserting terminal that should be connected；It is characterized in that, the cooling system include: liquid reserve tank, inlet pipe, liquid back pipe road,
Hydraulic pump, be arranged in charging gun with the one-to-one cooling chamber of a pair of of direct current inserting terminal and at least one
The temperature sensor in a direct current inserting terminal being disposed therein and the cooling controller being connected with temperature sensor,
Cooling controller is also connected with the control terminal of the hydraulic pump, and the inlet of the inlet pipe and the liquid outlet on liquid back pipe road are equal
In liquid reserve tank, the liquid outlet of inlet pipe is connected with the inlet of two cooling chambers, the inlet on liquid back pipe road
It is connected with the liquid outlet of two cooling chambers, the hydraulic pump string is located in the inlet pipe.
2. a kind of cooling system of high power DC charge connector according to claim 1, which is characterized in that described
Cooling system further includes the air cooler for having string to be located in liquid back pipe road.
3. a kind of cooling system of high power DC charge connector according to claim 1, which is characterized in that described cold
But the specific structure of room includes: inner cover and rear cover, and inner cover includes: a pair of plug-in unit mounting cylinder to connect together, plug-in unit mounting cylinder again
Middle part be disposed with the preceding baffle ring and rear baffle ring of lateral arrangement, plug-in unit mounting cylinder edge between forward and backward baffle ring from front to back
Circumferentially be provided at least one be connected with the rear end face of preceding baffle ring, longitudinally arranged preceding flow guiding dummy club and at least one with it is rear
The rear flow guiding dummy club that the front end face of baffle ring is connected, is longitudinally arranged, is staggered with preceding flow guiding dummy club is additionally provided between forward and backward baffle ring
Separate dike, form first diversion trench between the partition dike preceding flow guiding dummy club or rear flow guiding dummy club adjacent with side, partition dike with it is another
Tail diversion trench is formed between side adjacent preceding flow guiding dummy club or rear flow guiding dummy club；The rear cover includes: that a pair connects together again
Cover, cover one-to-one correspondence be set on corresponding plug-in unit mounting cylinder, on cover setting there are two with initial and end diversion trench one by one
Corresponding inlet and liquid outlet；Preceding seal stopper ring, the plug-in unit peace are provided between the inner wall of the preceding baffle ring and cover
Rear seal stopper ring is provided between the rear portion of fitted tube and the inner wall of cover, thus between cover and the middle part of plug-in unit mounting cylinder
Form closed cooling chamber.
4. a kind of cooling system of high power DC charge connector according to claim 3, which is characterized in that described
The top of forward and backward flow guiding dummy club is overlapped in the longitudinal direction.
5. a kind of cooling system of high power DC charge connector according to any one of claim 1 to 4, feature
It is, the specific structure of the inlet pipe includes: a feed liquor input pipe and two feed liquor efferent ducts, two feed liquor efferent ducts
It is threaded through in charging cable, is parallel with DC charging sheathed cable, one end of feed liquor input pipe is located in liquid reserve tank, the other end and institute
The inlet for the hydraulic pump stated is connected, and one end of feed liquor efferent duct is connected with the liquid outlet of hydraulic pump, the other end and corresponding cooling
The inlet of room is connected.
6. a kind of cooling system of high power DC charge connector according to claim 5, the hydraulic pump goes out
Liquid mouth is connected by a feed liquor delivery trunk with the feed liquor efferent duct, is provided with pressure gauge on feed liquor delivery trunk.
7. a kind of cooling system of high power DC charge connector according to any one of claim 1 to 4, feature
It is, the specific structure on the liquid back pipe road includes: two liquid back pipes, and two liquid back pipes are threaded through in charging cable and direct current
Charging sheath line is parallel.
8. a kind of cooling system of high power DC charge connector according to claim 5, which is characterized in that described time
The specific structure of liquid pipeline includes: two liquid back pipes, two liquid back pipes are threaded through in charging cable, with DC charging sheathed cable simultaneously
Row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811058087.2A CN109148032B (en) | 2018-09-11 | 2018-09-11 | Cooling system of high-power direct-current charging connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| JP2022089890A (en) * | 2020-01-10 | 2022-06-16 | トヨタ自動車株式会社 | Evaluation method |
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