CN220785478U - Liquid cooling source for super single charging pile - Google Patents
Liquid cooling source for super single charging pile Download PDFInfo
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- CN220785478U CN220785478U CN202220126771.5U CN202220126771U CN220785478U CN 220785478 U CN220785478 U CN 220785478U CN 202220126771 U CN202220126771 U CN 202220126771U CN 220785478 U CN220785478 U CN 220785478U
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- heat radiation
- charging pile
- radiation module
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- 239000007788 liquid Substances 0.000 title claims abstract description 330
- 238000001816 cooling Methods 0.000 title claims abstract description 191
- 239000000110 cooling liquid Substances 0.000 claims abstract description 68
- 230000005855 radiation Effects 0.000 claims description 97
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 9
- 239000000178 monomer Substances 0.000 claims description 7
- -1 polytetrafluoroethylene Polymers 0.000 claims description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000002528 anti-freeze Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 238000004334 fluoridation Methods 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 32
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 239000004020 conductor Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000191 radiation effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
Abstract
A liquid cooling source for a super single charging pile comprises a cooling unit, a power unit, a machine case, a power supply and a control unit. The power unit simultaneously drives the main pump and the auxiliary pump to work by one motor, the main pump drives the cooling liquid to circulate between the liquid cooling source and the liquid cooling charging gun and the cable, and the auxiliary pump drives the cooling liquid to circulate between the liquid cooling source and the liquid cooling rectifying module of the charging pile so as to radiate heat for the liquid cooling rectifying module of the charging pile. The traditional liquid storage tank structure is removed by the liquid cooling source for the super single charging pile, a plurality of micro-channel radiators are arranged in the cooling unit, and the cooling liquid stored in the connecting pipelines of the micro-channel radiators and the system is used for circularly radiating, so that the super single charging pile has the advantage of small volume, and the liquid cooling source can be perfectly integrated in the charging pile; the microchannel radiator arranged in the cooling unit has excellent heat dissipation performance, and the requirements of the charging pile on the volume, the cooling efficiency, the working energy consumption and the working reliability of the liquid cold source are fully met.
Description
Technical Field
The utility model relates to the technical field of electric automobile charging piles, in particular to a liquid cooling source for a super single charging pile.
Background
The electric automobile is rapidly developed due to the advantages of no exhaust emission and no environmental pollution, and becomes a future development direction in the automobile field. At present, two factors restricting the development of electric automobiles mainly exist: firstly, the battery has short endurance; and secondly, the charging time period. The problem of short battery endurance is solved by improving the energy density of the lithium battery through the development of the lithium battery technology, but the charging time of the lithium battery is correspondingly further prolonged.
The problem of long charging time relates to the technology of super high-power charging piles. At present, the hardware system for direct current charging at home and abroad can be generally divided into a split system and a single system, and is commonly called split pile and single pile. The split system is a split system of a charging station, which is formed by a transformer station, the volume of which is as large as a mobile house, and which converts alternating current into direct current and distributes the direct current to split piles of a plurality of terminals. The single pile is a rectifying system and a control system for converting alternating current into direct current are arranged in a small cabinet, the volume of the cabinet is as large as that of a refrigerator, and the single pile is provided with one charging gun and two charging guns.
The split pile has the defects that direct current of a transformer substation needs to be transmitted to a split terminal by a special cable, the split pile is conducted to a battery of an electric automobile through a liquid cooling charging gun and the cable to be charged, DC1000V voltage is required to be transmitted to the terminal by 600A current, and cable heating energy consumption is inevitable in the transmission process.
The super high-power direct-current integrated pile has the advantages that at present, the heat dissipation of a direct-current to alternating-current rectifying part of the super high-power direct-current integrated pile is air-cooled heat dissipation, a charging gun connected with the super high-power direct-current integrated pile is connected with a cable connected with the charging gun through the super high-power direct-current integrated pile through the liquid-cooled rectifying module, the heat dissipation efficiency is low, and if the power of a fan for air-cooled heat dissipation is low, the heat dissipation effect is not ideal; if the power of the radiating fan is high and the rotating speed is high, noise is generated, and the noise is high to disturb people.
The current information which can be searched from the network, the heat dissipation of the power module in the direct current charging pile below 200 kilowatts produced by the domestic pile enterprise at present is basically air cooling heat dissipation. 2021, 8 months, 30, guangdong, a charging station published by guangdong, guangzhou, national square: "charge mysterious, witnessed world record; charging for 5 minutes is continued for more than 200 km, and the model of a charging pile used by the International authority certification is A480, namely the output power of a single charging gun is 480 kilowatts, which is the current charging pile with the maximum power at home and abroad, the direct current charging pile is a liquid cooling charging gun, an integrated cable connected with the liquid cooling charging gun is a liquid cooling cable, but the heat dissipation of the integrated cable is also air cooling heat dissipation of a power module in the charging pile. The air-cooled heat dissipation has certain disadvantages of low heat dissipation efficiency and high noise. The liquid cooling technology is used for liquid cooling of the liquid cooling charging gun and the cable to solve the problem of high temperature, and has been a successful case; the liquid cooling technology is used for power liquid cooling of charging piles, a plurality of pile enterprises are being researched and developed, and no successful cases exist at present.
Disclosure of Invention
Based on market demands, the utility model discloses a liquid cooling source for a super single charging pile, which comprises a cooling unit, a power unit, a case, a power supply and a control unit, wherein the power unit is connected with the case; the power unit of the liquid cold source for the super single charging pile is formed by simultaneously driving a main pump and a secondary pump to work by a motor. The main pump drives the cooling liquid to circularly flow in cycles among the DC+ cable, the charging gun DC+ terminal, the charging gun DC-terminal, the DC-cable and the liquid cooling source to perform cold and heat exchange. The auxiliary pump drives the cooling liquid to circularly flow among the liquid cooling rectifying module, the heat radiating module A, the heat radiating module B and the auxiliary pump of the single charging pile, and the cooling liquid circularly flows repeatedly to perform cold and heat exchange. The utility model removes the traditional liquid storage tank structure, but sets a plurality of micro-channel radiators in the cooling unit, and uses the cooling liquid stored in the micro-channel radiators to perform double circulation, thus having the advantage of small volume and enabling the liquid cooling source to be perfectly integrated in the single charging pile; the micro-channel radiator arranged in the cooling unit has excellent heat radiation performance, and can achieve good heat radiation effect under the driving of the heat radiation fan with smaller power. Therefore, the single super charging pile is charged continuously for a long time, the temperature rise of the liquid cooling rectifying module, the liquid cooling charging gun and the cable can be well controlled, and the stability and the reliability of the 400KW-1000KW single charging pile for long-time operation are greatly improved.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme: a liquid cooling source for a super single charging pile comprises a power unit; the power unit comprises a motor, a main pump and an auxiliary pump, and a motor cooling fan. The main pump and the auxiliary pump are respectively and fixedly arranged at two axial end parts of the motor, and the two liquid pumps are coaxially driven by one motor; the main pump drives the cooling liquid to circulate among the liquid cold source, the liquid cooling charging gun and the cable; the auxiliary pump drives the cooling liquid to circulate repeatedly between the charging pile liquid cooling rectification module and the liquid cooling source; the motor drives the two circulating pumps to work simultaneously, and the volume of the power unit is greatly reduced on the premise that the power of the motor meets the design requirement;
further, the liquid cooling source for the super single charging pile further comprises a cooling unit, a case, a power supply and a control unit; the case comprises a case top plate, a case right side plate, a case left side plate, a case bottom plate and a cooling unit supporting plate; the case top plate and the cooling unit supporting plate are fixedly connected through a screw rod to form a cooling unit fixing frame; the right side plate of the case, the left side plate of the case and the bottom plate of the case are fixedly connected to form a case support frame; the cooling unit fixing frame is fixedly connected with the chassis supporting frame to form a chassis; the front and the back of the case are provided with protection plates, and through holes are arrayed on the protection plates; when the liquid cooling source for the super single charging pile is actually assembled, the cooling unit is fixedly arranged in the cooling unit fixing frame, the motor of the power unit is fixedly arranged below the cooling unit supporting plate, and the motor cooling fan is fixedly arranged on the side surface of the cooling unit supporting plate; the cooling unit, the power unit and the supporting frame are integrated, and then the cooling unit fixing frame is fixedly connected with the chassis supporting frame, so that the assembling method has the advantages of convenience in assembling and high assembling efficiency; the control unit and the power supply are respectively fixedly arranged on the outer side face of the right side plate of the case and the left side plate of the case; the cooling unit is connected with the power unit through a cooling liquid pipeline, and is connected with the liquid cooling rectifying module of the charging pile, the liquid cooling charging gun and the cable through the cooling liquid pipeline. The power supply, the control unit and the power unit are electrically connected; when the charging pile is used for charging the electric automobile, the control unit of the liquid cooling source receives an instruction of the charging pile to start working, the control unit starts the power unit to drive the cooling liquid to circulate, the main pump drives the cooling liquid to enter the liquid cooling charging gun and the cable from the cooling unit of the liquid cooling source, the conductive terminal of the charging gun and the conductor of the cable are subjected to liquid cooling, the cooling liquid cools the conductive terminal of the charging gun and the conductor of the cable out of the cooling unit in a charging process, after the cooling unit is cooled, the cooling liquid is driven by the power unit to reenter the liquid cooling charging gun and the cable, the cooling liquid continuously and repeatedly circulates to perform cold and heat exchange, and continuously performs liquid cooling and heat dissipation on the conductive terminal of the charging gun and the conductor of the cable.
The auxiliary pump drives cooling liquid to circularly flow and dissipate heat among the charging pile liquid cooling rectification module, the liquid cooling source heat dissipation module and the auxiliary pump. The liquid cooling source enables the temperature rise of the liquid cooling rectifying module, the conductive terminal of the charging gun and the conductor of the cable to be kept below 40K all the time, and the reliability and stability of the charging system in long-time operation are ensured.
Further, the cooling unit comprises a heat radiation module A, a heat radiation module B and a cooling unit heat radiation fan, and the cooling unit heat radiation fan is fixedly arranged between the heat radiation module A and the heat radiation module B; when the heat radiation fan works, the air inlet and the air outlet of the heat radiation fan pass through the heat radiation module, and the heat exchange time between the flowing air flow and the heat radiation module is fully utilized, so that the heat radiation fan has higher heat exchange efficiency.
Furthermore, the heat dissipation module A and the heat dissipation module B both comprise two micro-channel heat dissipaters which are fixedly connected in a mode of being overlapped up and down; the heat dissipation module A and the heat dissipation module B are both provided with two micro-channel heat dissipaters, and the purpose is that in the structural design of the liquid cold source, the liquid storage tank structure of the original liquid cold source is canceled, the cooling liquid is stored in the micro-channel heat dissipater, and a proper amount of cooling liquid is stored in the liquid cooling source for the super single charging pile, so that the heat dissipation module A and the heat dissipation module B are both provided with two micro-channel heat dissipaters; in addition, the plurality of micro-channel radiators can increase the radiating area in a limited volume so as to improve the radiating effect of the cooling unit, realize the perfect unification of the small volume and the radiating effect of the liquid cold source and enable the liquid cold source to be integrated in the charging pile;
the heat radiation module A is provided with a first liquid inlet of the heat radiation module A, a second liquid inlet of the heat radiation module A, an exhaust port, a liquid path serial port of the heat radiation module A and a liquid outlet of the heat radiation module A. The exhaust port is fixedly provided with an exhaust port valve, the liquid path serial port of the heat radiation module A is connected with the liquid outlet of the heat radiation module A through a cooling liquid pipe, and the liquid outlet of the heat radiation module A is connected with the heat radiation module B through the cooling liquid pipe; the liquid inlet of the heat radiation module A I is connected with a liquid return pipe of the charging gun and the liquid cooling cable, the liquid inlet of the heat radiation module A II is connected with a liquid cooling rectifying module liquid return pipe of the charging pile, hot cooling liquid enters the first micro-channel radiator, and enters the second micro-channel radiator through the liquid path serial connection port of the heat radiation module A, so that the circulation cooling of the cooling liquid in the heat radiation module A is completed.
The heat radiation module B is provided with a liquid inlet of the heat radiation module B, a liquid path serial interface of the heat radiation module B, a first liquid outlet of the heat radiation module B and a second liquid outlet of the heat radiation module B; the liquid inlet of the heat radiation module B is connected with the liquid outlet of the heat radiation module A through a cooling liquid pipeline, the liquid outlet of the heat radiation module B is connected with the liquid inlet of the main pump through a cooling liquid pipeline, and the liquid outlet of the heat radiation module B is connected with the liquid inlet of the auxiliary pump through a cooling liquid pipeline; the cooled cooling liquid flowing out of the liquid outlet of the heat radiation module A enters the first micro-channel radiator from the liquid inlet of the heat radiation module B, and then enters the second micro-channel radiator through the liquid path serial port of the heat radiation module B, so that the circulation cooling of the cooling liquid in the heat radiation module B is completed; and the cooling liquid after the main pump and the auxiliary pump drive and cool down respectively reenters the liquid cooling rectifying module, the liquid cooling charging gun and the cable, and respectively carries out liquid cooling on the liquid cooling rectifying module of the charging pile, the conductive terminal of the charging gun and the conductor of the cable. The cooling liquid is one of transformer oil, silicone oil, electronic fluoridation liquid and ethylene glycol antifreeze liquid.
Further, a liquid inlet and a liquid outlet are formed in the main pump; the liquid inlet is provided with a main pump liquid inlet connector A and a main pump liquid inlet connector B; one end of the main pump liquid inlet connector is connected with the other end of the main pump liquid inlet connector B, two connectors are arranged on the connector B, one connector is connected with a liquid outlet of a first heat dissipation module B through a cooling liquid pipeline, the other connector is connected with a liquid adding pipe, the other end of the liquid adding pipe is connected with a liquid adding valve, and the liquid adding valve is fixed on a top plate of the chassis; the main pump liquid outlet is provided with a liquid outlet pipe, the liquid outlet pipe is provided with a main pump liquid outlet pipe joint, and the main pump liquid outlet pipe joint is fixed on the top plate of the case; the main pump liquid outlet pipe joint is connected with the liquid cooling charging gun and the cable liquid inlet pipe.
The auxiliary pump is provided with an auxiliary pump liquid inlet and an auxiliary pump liquid outlet, and an auxiliary pump liquid outlet pipe joint. The auxiliary pump liquid inlet is connected with a No. B liquid outlet of the heat radiation module through a cooling liquid pipeline, the auxiliary pump liquid outlet is connected with an auxiliary pump liquid outlet pipe, the other end of the auxiliary pump liquid outlet pipe is connected with an auxiliary pump liquid outlet pipe joint, the auxiliary pump liquid outlet pipe joint is fixed on a top plate of the case, and the auxiliary pump liquid outlet pipe joint is connected with a liquid cooling rectifying module liquid inlet pipe of the super single charging pile.
The start, stop and work of the motor are controlled by the control unit, the control unit of the liquid cold source always listens to the control system of the charging pile, the control unit of the liquid cold source monitors the working condition of the liquid cold source and timely transmits the detected temperature and pressure information to the control center of the charging pile, and if the abnormal charging pile exists, the charging is interrupted, so that accidents are avoided.
Further, a temperature sensor is fixedly arranged near the liquid inlet of the heat radiation module A and is electrically connected with the control unit; the temperature sensor is used for monitoring the temperature of the hot cooling liquid flowing out of the liquid cooling rectification module and the liquid cooling cable, the temperature of the cooling liquid with a hot liquid cold source is lower than 55 ℃ under the normal condition, when the temperature sensor detects that the temperature of the cooling liquid flowing out of the liquid cooling cable is higher than 55 ℃, the control unit can control the rotating speed of the motor and the rotating speed of the fan to increase the flow of the main pump and the auxiliary pump and the air quantity passing through the heat dissipation module A and the heat dissipation module B, so that the heat dissipation effect is improved, the temperature of the hot cooling liquid flowing out of the liquid cooling cable is ensured to be lower than 55 ℃, and the control process adopts closed loop PID control.
The liquid outlets of the main pump and the auxiliary pump are provided with pressure sensors which are electrically connected with the control unit; the pressure sensor is used for monitoring the pressure of the system and preventing the liquid cooling system from having pipeline leakage faults caused by overhigh pressure of the cooling liquid of the system.
Further, the control unit is electrically connected and in communication with the charging pile, and the control unit of the liquid cooling source transmits the working condition information of the liquid cooling source to the control system of the charging pile and is controlled by the charging pile.
Furthermore, a cooling liquid pipeline inside the liquid cooling source adopts a polytetrafluoroethylene corrugated pipe; the main pump drain pipe, the auxiliary pump drain pipe, the liquid cooling rectification module feed liquor pipe and drain pipe, the liquid cooling rifle that charges and cable feed liquor pipe and drain pipe are polytetrafluoroethylene bellows, and the bellows outer wall is provided with fire-retardant glass fiber network.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects: the utility model discloses a liquid cooling source for a super single charging pile, which comprises a cooling unit, a power unit, a chassis, a power supply and a control unit, wherein the power unit is arranged on the chassis; the power unit of the liquid cooling source for the super single charging pile is characterized in that a main pump and a secondary pump are driven by a motor to work simultaneously, the main pump drives cooling liquid to circularly flow between the liquid cooling source, the liquid cooling charging gun and a cable, and the secondary pump drives the cooling liquid to repeatedly circularly flow between the liquid cooling rectifying module and a heat dissipation module of the liquid cooling source; the liquid cooling source for the super single charging pile is not provided with a liquid storage tank, so that the super single charging pile has the advantage of small volume, and the liquid cooling source can be perfectly integrated in the charging pile; in addition, the micro-channel radiator arranged in the cooling unit has excellent heat radiation performance, and can achieve good heat radiation effect under the driving of the heat radiation fan with smaller power. The liquid cooling source for the super single charging pile fully meets the requirements of the charging pile on the volume, cooling efficiency, working energy consumption and working reliability of the liquid cooling source.
Drawings
FIG. 1 is a schematic view of the appearance of a liquid cooling source for a super-monomer charging pile;
FIG. 2 is a schematic diagram of the overall structure of a liquid cooling source for a super single charging pile;
FIG. 3 is a schematic diagram of a chassis structure;
FIG. 4 is an exploded view of a cooling unit structure;
FIG. 5 is a schematic diagram of a cooling unit;
FIG. 6 is a second schematic diagram of a cooling unit;
FIG. 7 is a schematic diagram of a power unit;
FIG. 8 is a second schematic diagram of a power unit;
FIG. 9 is a schematic diagram of the connection of the liquid cooling pipelines of the liquid cooling source for the super single charging pile.
In the figure: 1. a cooling unit; 1.1, a heat dissipation module A;1.1.1, a first liquid inlet of the heat radiation module A; 1.1.2, a temperature sensor; 1.1.3, exhaust port; 1.1.3.1, vent valve; 1.1.4, a liquid path serial interface of the heat radiation module A; 1.1.5, a liquid outlet of the heat radiation module A; 1.1.6, a two-number liquid inlet of the heat radiation module A; 1.2, a heat dissipation module B;1.2.1, a liquid inlet of the heat radiation module B; 1.2.2, a liquid path serial interface of the heat radiation module B; 1.2.3, a first liquid outlet of the heat radiation module B; 1.2.4, a second-number liquid outlet of the heat radiation module B; 1.3, a cooling unit cooling fan; 1.5, a liquid adding valve; 2. a power unit; 2.1, a motor; 2.2, a main pump; 2.2.1, a main pump liquid inlet joint A;2.2.2, a main pump liquid inlet joint B;2.2.3, a main pump liquid outlet pipe joint; 2.2.4, pressure sensor; 2.3, auxiliary pump; 2.3.1, the liquid inlet of the auxiliary pump; 2.3.2, auxiliary pump outlet; 2.3.3, the auxiliary pump drain pipe; 3. a chassis; 3.1, a chassis top plate; 3.2, a right side plate of the case; 3.3, a left side plate of the case; 3.4, a chassis top plate; 3.5, cooling unit support plates; 4. a power supply; 5. and a control unit.
Detailed Description
The utility model will be explained in more detail by the following examples, the purpose of which is to protect all technical improvements within the scope of the utility model.
A liquid cooling source for a super single charging pile comprises a power unit 2; the power unit 2 comprises a motor 2.1, a main pump 2.2 and a secondary pump 2.3; the main pump 2.2 and the auxiliary pump 2.3 are respectively and fixedly arranged at two axial ends of the motor 2.1 and are coaxially driven by one motor 2.1.
The power unit 2 comprises a motor 2.1, a main pump 2.2, a secondary pump 2.3 and a motor cooling fan 2.4. The main pump 2.2 and the auxiliary pump 2.3 share one motor; the motor 2.1 drives the start, stop and operation of the main pump 2.2 and the auxiliary pump 2.3.
The case 3 comprises a case top plate 3.1, a case right side plate 3.2, a case left side plate 3.3, a case bottom plate 3.4 and a cooling unit supporting plate 3.5; the case top plate 3.1 and the cooling unit supporting plate 3.5 are fixedly connected through a screw rod to form a cooling unit fixing frame; the right side plate 3.2, the left side plate 3.3 and the bottom plate 3.4 are fixedly connected to form a case support frame; the cooling unit fixing frame is fixedly connected with the case support frame to form a case 3; the machine case 3 is provided with guard plates from front to back, and the array is provided with the through-hole on the guard plate.
The cooling unit 1 is fixedly arranged in the cooling unit fixing frame; the motor 2.1 is fixedly arranged below the cooling unit supporting plate 3.5, the motor cooling fan 2.4 is fixedly arranged on the side surface of the cooling unit supporting plate 3.5, and the blowing direction is opposite to the electrode 2.1 body. The power supply 4 and the control unit 5 are respectively fixedly arranged outside the right side plate 3.2 and the left side plate 3.3 of the case; the cooling unit 1 is connected with the power unit 2 through a cooling liquid pipeline; the power supply 4, the control unit 5 and the power unit 2 are electrically connected, and the control unit 5 is electrically connected and in communication with the charging pile.
The cooling unit 1 comprises a cooling module A1.1, a cooling module B1.2 and a cooling unit cooling fan 1.3, wherein the cooling unit cooling fan 1.3 is fixedly arranged between the cooling module A1.1 and the cooling module B1.2.
The heat dissipation module A1.1 and the heat dissipation module B1.2 comprise two micro-channel heat sinks which are fixedly connected in a vertically superposed mode.
The heat radiation module A1.1 is provided with a heat radiation module A I liquid inlet 1.1.1, a heat radiation module A II liquid inlet 1.1.6, an exhaust port 1.1.3, a heat radiation module A liquid path serial connection port 1.1.4 and a heat radiation module A liquid outlet 1.1.5. The liquid inlet 1.1.1 of the heat radiation module A I is connected with a liquid return pipe of the charging gun and the liquid cooling cable, and the liquid inlet 1.1.6 of the heat radiation module A II is connected with a liquid cooling rectifying module liquid return pipe of the charging pile; the exhaust port 1.1.3 is fixedly provided with an exhaust port valve 1.1.3.1, the liquid path serial port 1.1.4 of the heat radiation module A is connected through a cooling liquid pipeline, and the liquid outlet 1.1.5 of the heat radiation module A is connected to the heat radiation module B1.2 through the cooling liquid pipeline.
The heat radiation module B1.2 is provided with a liquid inlet 1.2.1 of the heat radiation module B, a liquid path serial connection 1.2.2 of the heat radiation module B, a liquid outlet 1.2.3 of the heat radiation module B I and a liquid outlet 1.2.4 of the heat radiation module B II; the liquid inlet 1.2.1 of the heat radiation module B is connected with the liquid outlet 1.1.5 of the heat radiation module A through a cooling liquid pipeline, and the liquid path serial connection 1.2.2 of the heat radiation module B is connected through a cooling liquid pipeline; the main pump inlet is connected to heat dissipation module B No. 1.2.3 liquid outlet, and auxiliary pump inlet is connected to heat dissipation module B two No. 1.2.4 liquid outlet, all connects through the cooling liquid pipeline. The cooling liquid is one of transformer oil, silicone oil, electronic fluoridation liquid and ethylene glycol antifreeze liquid.
A liquid inlet and a liquid outlet are arranged on the main pump 2.2; the liquid inlet is provided with a main pump liquid inlet connector A2.2.1 and a main pump liquid inlet connector B2.2.2; one end of the main pump liquid inlet connector A2.2.1 is connected with the main pump liquid inlet, the other end of the main pump liquid inlet connector is connected with the connector B2.2.2, two connectors are arranged on the connector B2.2.2, one connector is connected with the liquid outlet 1.2.3 of the heat dissipation module B I through a cooling liquid pipeline, the other connector is connected with a liquid adding pipe, the other end of the liquid adding pipe is connected with a liquid adding valve 1.5, and the liquid adding valve 1.5 is fixed on a top plate 3.1 of the chassis; the main pump liquid outlet is provided with a liquid outlet pipe, the liquid outlet pipe is provided with a main pump liquid outlet pipe joint 2.2.3, and the main pump liquid outlet pipe joint 2.2.3 is fixed on a chassis top plate 3.1; the main pump liquid outlet pipe joint 2.2.3 is connected with a liquid cooling charging gun and a cable liquid inlet pipe.
The auxiliary pump 2.3 is provided with an auxiliary pump liquid inlet 2.3.1 and an auxiliary pump liquid outlet 2.3.2, and an auxiliary pump liquid outlet pipe joint 2.3.1. The auxiliary pump liquid inlet 2.3.1 is connected with the heat radiation module B two number liquid outlet 1.2.4 through a cooling liquid pipeline, the auxiliary pump liquid outlet 2.3.2 is connected with the auxiliary pump liquid outlet pipe 2.3.3, the other end of the auxiliary pump liquid outlet pipe 2.3.3 is connected with an auxiliary pump liquid outlet pipe joint, the auxiliary pump liquid outlet pipe joint is fixed on a chassis top plate 3.1, and the auxiliary pump liquid outlet pipe joint is connected with a liquid cooling rectifying module liquid inlet pipe of the super-monomer charging pile.
A temperature sensor 1.1.2 is fixedly arranged near a first liquid inlet 1.1.1 and a second liquid inlet 1.1.6 of the heat radiation module A1.1; a liquid outlet of the main pump 2.2 is provided with a pressure sensor 2.2.4; the temperature sensor 1.1.2 and the pressure sensor 2.2.4 are electrically connected with the control unit 5.
A cooling liquid pipeline inside the liquid cold source adopts a polytetrafluoroethylene corrugated pipe; the main pump liquid outlet pipe, the auxiliary pump liquid outlet pipe 2.3.3, the liquid cooling charging gun and the cable liquid inlet pipe 2.2.5, the liquid cooling charging gun and the cable liquid outlet pipe 1.1.7, the super single charging pile liquid cooling rectification module liquid inlet pipe 2.3.5 and the super single charging pile liquid cooling rectification module liquid outlet pipe 1.1.8 are all made of polytetrafluoroethylene corrugated pipes, and flame-retardant glass fiber nets are woven on the outer walls of the corrugated pipes; the liquid cooling charging gun and the cable feed liquor pipe 2.2.5, the liquid cooling charging gun and the cable drain pipe 1.1.7, the liquid cooling rectifying module feed liquor pipe 2.3.5 of the super single charging pile and the liquid cooling rectifying module drain pipe 1.1.8 of the super single charging pile are all fixedly provided with valve joints.
In the charging process, the pressure sensor 2.2.4 and the temperature sensor 1.1.2 of the liquid cold source dynamically monitor the working state of the liquid cold source, and the working condition information is transmitted to the control system of the charging pile, so that the charging pile can interrupt the charging of the electric automobile if the system pressure of the liquid cold source or the temperature of the cooling liquid is abnormal, and the safety of the charging system is ensured. In the charging process, the temperature rise of the conductive terminal and the cable conductor of the charging gun is always kept below 40K, and the temperature of cooling liquid flowing out of the liquid cooling cable is lower than 55 ℃, so that the safe and reliable operation of the charging system is ensured.
The utility model is not described in detail in the prior art.
Claims (7)
1. The liquid cooling source for the super single charging pile is connected with the liquid cooling rectifying module of the charging pile, the liquid cooling charging gun and the cable through a cooling liquid pipeline; comprises a cooling unit (1), a power unit (2), a power supply (4) and a control unit (5), wherein the cooling unit (1) is provided with cooling liquid; the cooling unit (1) is connected with the power unit (2) through a cooling liquid pipeline; the power supply (4), the control unit (5) and the power unit (2) are electrically connected, and the control unit (5) is electrically connected and in communication with the charging pile; the method is characterized in that: the power unit (2) comprises a motor (2.1), a main pump (2.2) and a secondary pump (2.3); the main pump (2.2) and the auxiliary pump (2.3) are respectively and fixedly arranged at two axial ends of the motor (2.1) and are coaxially driven by the motor (2.1); the main pump (2.2) drives the cooling liquid to circularly flow between the cooling unit (1) and the liquid cooling charging gun and the cable, and the auxiliary pump (2.3) drives the cooling liquid to circularly flow between the cooling unit (1) and the liquid cooling rectifying module of the charging pile;
the cooling unit (1) comprises a heat radiation module A (1.1) and a heat radiation module B (1.2), wherein the heat radiation module A (1.1) and the heat radiation module B (1.2) comprise two micro-channel radiators which are fixedly connected in a vertically superposed mode;
the heat radiation module A (1.1) is provided with a heat radiation module A I liquid inlet (1.1.1), a heat radiation module A II liquid inlet (1.1.6), an exhaust port (1.1.3), a heat radiation module A liquid path serial interface (1.1.4) and a heat radiation module A liquid outlet (1.1.5); the liquid inlet (1.1.1) of the heat radiation module A I is connected with a liquid return pipe of the charging gun and the liquid cooling cable, and the liquid inlet (1.1.6) of the heat radiation module A II is connected with a liquid cooling rectifying module liquid return pipe of the charging pile; the exhaust port (1.1.3) is fixedly provided with an exhaust port valve (1.1.3.1), the liquid path serial port (1.1.4) of the heat radiation module A is connected with the heat radiation module B (1.2) through a cooling liquid pipeline, and the liquid outlet (1.1.5) of the heat radiation module A is connected with the heat radiation module B through the cooling liquid pipeline;
the heat radiation module B (1.2) is provided with a heat radiation module B liquid inlet (1.2.1), a heat radiation module B liquid path serial interface (1.2.2), a heat radiation module B first liquid outlet (1.2.3) and a heat radiation module B second liquid outlet (1.2.4); the liquid inlet (1.2.1) of the heat radiation module B is connected with the liquid outlet (1.1.5) of the heat radiation module A through a cooling liquid pipeline, and the liquid pipeline serial interface (1.2.2) of the heat radiation module B is connected through a cooling liquid pipeline; the liquid outlet (1.2.3) of the heat radiation module B I is connected with the liquid inlet of the main pump through a cooling liquid pipeline, and the liquid outlet (1.2.4) of the heat radiation module B II is connected with the liquid inlet of the auxiliary pump through a cooling liquid pipeline.
2. The liquid cooling source for a super-monomer charging pile according to claim 1, wherein: the power unit (2) further comprises a motor cooling fan which is fixedly arranged on the side face of the motor (2.1).
3. The liquid cooling source for a super-monomer charging pile according to claim 2, wherein: the cooling unit (1) further comprises a cooling unit cooling fan (1.3), and the cooling unit cooling fan (1.3) is fixedly arranged between the cooling module A (1.1) and the cooling module B (1.2).
4. A liquid cooling source for a supermonomer charging pile according to claim 3, characterized in that: the cooling liquid is one of transformer oil, silicone oil, electronic fluoridation liquid and ethylene glycol antifreeze liquid.
5. The liquid cooling source for a super-monomer charging pile according to claim 4, wherein: the liquid inlet of the main pump (2.2) is provided with a main pump liquid inlet joint A (2.2.1) and a main pump liquid inlet joint B (2.2.2); one end of the main pump liquid inlet connector A (2.2.1) is connected with a main pump liquid inlet, the other end of the main pump liquid inlet connector A is connected with a main pump liquid inlet connector B (2.2.2), two interfaces are further arranged on the main pump liquid inlet connector B (2.2.2), one interface is connected with a liquid outlet (1.2.3) of a cooling module B I through a cooling liquid pipeline, the other interface is connected with a liquid adding pipe, the other end of the liquid adding pipe is connected with a liquid adding valve (1.5), and the liquid adding valve (1.5) is fixedly arranged on a top plate (3.1) of the chassis; the main pump liquid outlet is provided with a main pump liquid outlet pipe joint (2.2.3), and the main pump liquid outlet pipe joint (2.2.3) is connected with the charging gun and the liquid cooling cable liquid inlet pipe;
the auxiliary pump (2.3) is provided with an auxiliary pump liquid inlet (2.3.1) and an auxiliary pump liquid outlet (2.3.2); the auxiliary pump liquid inlet (2.3.1) is connected with a cooling liquid pipeline through a cooling liquid pipeline, the auxiliary pump liquid outlet (2.3.2) is connected with an auxiliary pump liquid outlet pipe (2.3.3), and the other end of the auxiliary pump liquid outlet pipe (2.3.3) is connected with a liquid cooling rectifying module liquid inlet.
6. The liquid cooling source for a super-monomer charging pile according to claim 5, wherein: a temperature sensor (1.1.2) is fixedly arranged near a first liquid inlet (1.1.1) and a second liquid inlet (1.1.6) of the heat radiation module A (1.1); a liquid outlet of the main pump (2.2) is provided with a pressure sensor (2.2.4); the temperature sensor (1.1.2) and the pressure sensor (2.2.4) are electrically connected with the control unit (5).
7. The liquid cooling source for a super-monomer charging pile according to claim 6, wherein: a cooling liquid pipeline inside the liquid cold source adopts a polytetrafluoroethylene corrugated pipe; the main pump liquid outlet pipe, the auxiliary pump liquid outlet pipe (2.3.3), the charging gun, the liquid cooling cable liquid inlet pipe, the charging gun, the liquid cooling cable liquid outlet pipe (1.1.7), the super single charging pile liquid cooling rectification module liquid inlet pipe (2.3.5) and the super single charging pile liquid cooling rectification module liquid outlet pipe (1.1.8) are all made of polytetrafluoroethylene corrugated pipes, and flame-retardant glass fiber nets are woven on the outer walls of the polytetrafluoroethylene corrugated pipes; the liquid cooling charging gun, the cable liquid inlet pipe, the liquid cooling charging gun, the cable liquid outlet pipe, the liquid cooling rectifying module liquid inlet pipe and the liquid cooling rectifying module liquid outlet pipe are all fixedly provided with valve joints.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220126771.5U CN220785478U (en) | 2022-01-18 | 2022-01-18 | Liquid cooling source for super single charging pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220126771.5U CN220785478U (en) | 2022-01-18 | 2022-01-18 | Liquid cooling source for super single charging pile |
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| Publication Number | Publication Date |
|---|---|
| CN220785478U true CN220785478U (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220126771.5U Active CN220785478U (en) | 2022-01-18 | 2022-01-18 | Liquid cooling source for super single charging pile |
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| Country | Link |
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| CN (1) | CN220785478U (en) |
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- 2022-01-18 CN CN202220126771.5U patent/CN220785478U/en active Active
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