CN106604610A - Charger and control method and device thereof - Google Patents
Charger and control method and device thereof Download PDFInfo
- Publication number
- CN106604610A CN106604610A CN201611227652.4A CN201611227652A CN106604610A CN 106604610 A CN106604610 A CN 106604610A CN 201611227652 A CN201611227652 A CN 201611227652A CN 106604610 A CN106604610 A CN 106604610A
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- Prior art keywords
- liquid
- charger
- water tank
- coolant
- unit
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Classifications
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a charger and a control method and device thereof; the charger comprises a power integration unit and a cooling assembly used for cooling the power integration unit; a plurality of power devices used for charging are integrated in the power integration unit; the cooling assembly comprises a liquid cooling tube packed in a liquid cooling plate; the liquid cooling plate is provided with a liquid inlet and a liquid outlet; the power integration unit is arranged on the outer wall of the liquid cooling plate; the liquid inlet is connected with a water box through a water pump; the liquid outlet is connected with a heat exchanger. The charger control method can realize a charging function; the power integration unit and the cooling assembly are matched so as to charge an electric car, thus preventing dusts from falling into the power devices in the power integration unit, effectively increasing heat radiation effect, and improving charging working efficiency.
Description
Technical field
The present invention relates to the charging technique field of electric vehicle, and in particular to a kind of charger and its control method and dress
Put.
Background technology
With national fast development, traffic is also increasingly facilitated, in order to promote Green Travel, so electric automobile or electronic
The use of vehicle is increasingly popularized, for convenience numerous citizen or user, and government department has to build electric vehicle on a large scale
Electrically-charging equipment.
Current charger typically by wind-cooling heat dissipating and install out of doors, due to the heat-sinking capability of air cooling system it is limited,
Therefore the power device General Decentralized in charging process is installed, it is impossible to integrated installation together because charger longtime running, institute
Easily to make its internal power device dust blocked up from the inside that air vent is brought into charger the outdoor dust, cause to fill
Motor frequently breaks down, therefore reduces its service life.When above-mentioned power device dispersion is installed, by multiple small-power modules simultaneously
Connection assembles, so Parallel opertation causes power maximum, causes interior of equipment cabinet heat to increase, while the module of parallel connection is more,
Cause equipment volume also bigger, be unfavorable for that staff installs and keeps in repair.If using integrated power device, body can be reduced
Product, but because the heat of integrated power device generation is more, water cooling system of the prior art cannot meet integrated
The demand of power device.
The content of the invention
The embodiment of the present invention technical problem to be solved is that charger of the prior art is assembled by multiple power models
Power device radiated by air cooling way, the easy full excessive dust of product in the outside of its power device, radiating effect is not
It is very good.
For this purpose, embodiments providing following technical scheme：
The embodiment of the present invention provides a kind of charger, including power integrated unit and the power integrated unit is carried out cold
But cooling component, it is integrally disposed in the power integrated unit to have multiple power devices for charging, the cooling component
Including the cold pipeline of liquid, the cold tubing envelopes of the liquid are in liquid cooling plate；The liquid cooling plate is provided with inlet and liquid outlet, the work(
Rate integrated unit is arranged on the outer wall of the liquid cooling plate, and the inlet is connected by water pump with the water tank, it is described go out liquid
Mouth is connected with heat exchanger.
Alternatively, the charger described in the embodiment of the present invention, the power device is AC-DC commutators, DC-DC converter
In one or more.
Alternatively, the charger described in the embodiment of the present invention, the cold pipeline parallel arranged inside the liquid cooling plate of the liquid.
Alternatively, the charger described in the embodiment of the present invention, the base plate of the water tank is heat sink.
Alternatively, the charger described in the embodiment of the present invention, the coolant after the heat exchanger cooling described in is recycled to described
Water tank.
Alternatively, the cold charger of liquid described in the embodiment of the present invention, also includes：
Fan, is connected with the heat exchanger；
Scavenging air valve, the top for being arranged on the water tank is connected with the water tank；
Liquidometer, is placed on the inside of the water tank.
Alternatively, the charger described in the embodiment of the present invention, also includes：
Temperature sensor, is arranged on the inlet and liquid outlet of the liquid cooling plate；
Pressure transducer, in being arranged on the cold pipeline of the liquid.
The embodiment of the present invention provides a kind of control method of the charger, comprises the steps：
Start charge mode；
Obtain the temperature of charge parameter and the coolant；
Judge the temperature of the coolant whether more than preset threshold value；
Charging output is reduced according to the charge parameter.
Alternatively, the control method of charger described in the embodiment of the present invention, also includes：
Judge whether the charging output reduces, if it is not, then sending fault-signal to high in the clouds platform.
Alternatively, the control method of charger described in the embodiment of the present invention, also includes：
Whether the liquid level in the water tank is judged more than specified lower limit, if it is not, close the water tank to carry out supplementing liquid measure.
The embodiment of the present invention provides a kind of control device of the charger, including such as lower unit：
Start unit, for starting charge mode；
Acquiring unit, for obtaining the temperature of charge parameter and the coolant；
First judging unit, for judging the temperature of the coolant whether more than preset threshold value；
Reduce unit, for reducing charging output according to the charge parameter.
Alternatively, the control device of charger described in the embodiment of the present invention, also includes：
Second judging unit, for judging whether the charging output reduces, if it is not, then sending fault-signal to cloud
End platform.
Alternatively, the control device of charger described in the embodiment of the present invention, also includes：
3rd judging unit, for whether judging the liquid level in the water tank more than specified lower limit, if it is not, closing described
Water tank carries out supplementing liquid measure.
Embodiment of the present invention technical scheme, has the advantage that：
The present invention disclose a kind of charger and its control method and device, wherein, charger, including power integrated unit with
The cooling component that power integrated unit is cooled down, it is integrally disposed in power integrated unit to have multiple power devices for charging
Part, cooling component includes the cold pipeline of liquid, and the cold tubing envelopes of liquid are in liquid cooling plate；Liquid cooling plate is provided with inlet and liquid outlet, work(
Rate integrated unit is arranged on the outer wall of liquid cooling plate, and inlet is connected by water pump with water tank, and liquid outlet is connected with heat exchanger.It is logical
The control method for overcharging motor realizes the function of charging, because the program takes power integrated unit and cooling component to use cooperatively
Electric automobile is charged, can be avoided on the power device that dust fallen into inside power integrated unit, it is possible to effectively
Strengthen radiating effect, therefore also improve charging work efficiency.
Description of the drawings
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete
The accompanying drawing to be used needed for embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the structure chart of the power integrated unit of charger in the embodiment of the present invention 1；
Fig. 2 is the structured flowchart of charger in the embodiment of the present invention 1；
Fig. 3 is the flow chart of the control method of charger in the embodiment of the present invention 2；
Fig. 4 is the structured flowchart of the control device of charger in the embodiment of the present invention 3.
Reference：
1- power integrated units；212- inlets；28- liquidometers；
11-AC-DC commutators；213- liquid outlets；29- temperature sensors.
12-DC-DC changers；22- water tanks；
2- cools down component；23- water pumps；
20- pressure transducers；24- heat sinks；
21- liquid cooling plates；25- heat exchangers；
The cold pipeline of 211- liquid；27- scavenging air valves；
Specific embodiment
The technical scheme of the embodiment of the present invention is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment be a part of embodiment of the invention, rather than the embodiment of whole.Based on the embodiment in the present invention, this area is general
The every other embodiment that logical technical staff is obtained under the premise of creative work is not made, belongs to present invention protection
Scope.
In the description of the embodiment of the present invention, it should be noted that term " " center ", " on ", D score, "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship,
It is for only for ease of the description embodiment of the present invention and simplifies description, rather than indicates or imply that the device or element of indication must have
Have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the embodiment of the present invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
The connection of two element internals is can also be, can be wireless connection, or wired connection.For the common skill of this area
For art personnel, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.
As long as additionally, technical characteristic involved in invention described below different embodiments non-structure each other
Just can be combined with each other into conflict.
Embodiment 1
The present embodiment provides a kind of charger, in being applied to the charging system of electric automobile, as depicted in figs. 1 and 2, this reality
Charger in applying includes power integrated unit 11 and the cooling component 2 cooled down to power integrated unit 1, wherein all of
Cooling component 2 constitutes cooling system, integrally disposed in power integrated unit 1 to have multiple power devices for charging, cooling group
Part 2 includes the cold pipeline 211 of liquid, and the cold pipeline 211 of liquid is encapsulated in liquid cooling plate 21, wherein, the cold pipeline 211 of liquid is in the liquid cooling plate 21
Internal parallel arranged, because parallel arranged can increase area of dissipation, can accelerate radiating rate.Liquid cooling plate 21 is provided with inlet
212 and liquid outlet 213, power integrated unit 1 is arranged on the outer wall of liquid cooling plate 21, and inlet 212 is by water pump 23 and water tank
22 connections, wherein, the base plate of water tank 22 is heat sink 24, for radiating to looping back hotter coolant.Because should
Cooling system can be in -20 DEG C of environmental work, in order to ensure that system can be with normal work, so cooling below 0 DEG C
Liquid is mixed using the glycol water of 50% ratio and the water of 50% ratio, and in addition cooling system works long hours, interior
Portion can produce chlorella by bacterial corrosion, or even metal ionization occurs causes system to be corroded, so needing to add inside coolant
Plus a certain amount of buffer agent, prevent cooling system to be corroded, extend the service life of system.Liquid outlet 213 on liquid cooling plate 21
It is connected with heat exchanger 25, because being covered with tiny channel for heat dissipation on the fin of heat exchanger 25, increases and extraneous heat-transfer surface
Product is so as to improve the heat-sinking capability of heat exchanger 25, so the heat of coolant can be discharged in environment by heat exchanger 25,
So as to reduce the temperature of coolant.Wherein, the coolant Jing after the cooling of heat exchanger 25 is recycled to water tank 22.
Specifically, power device is one or more in AC-DC commutators 11, DC-DC converter 12.Wherein, AC-DC
Commutator and DC-DC converter belong to IGBT power-ourput devices.When charger starts and starts to charging electric vehicle, together
When also begin to perform radiating work by cooling down the cooling system that component 2 constitutes.Because electrical network output AC electricity can not be exported directly
Unidirectional current, so unidirectional current must be rectified into by AC-DC commutator technologies, in order that the unidirectional current after rectification more stably may be used
Lean on, so again galvanic current is become by the Buck (blood pressure lowering) or Boost (boosting) process inside DC-DC converter, from
And it is supplied to electric automobile.
Used as a kind of implementation, the charger in the present embodiment, the base plate of water tank 22 is heat sink 24, and heat sink 24 sets
Put in the bottom of water tank 22, the heat sink 24 belongs to cooling device.Because cooling system is during radiating, coolant is in liquid
The inlet 212 of cold drawing 21 and liquid outlet 213 circulation flow into or from, the coolant of outflow is returned in water tank 22, its temperature compared with
Height, so providing a heat sink 24 can reduce coolant hotter in the water tank 22.
As a kind of implementation, the charger in the present embodiment, also include：
Fan 26, is connected with heat exchanger 25；Herein the power of fan 26 is larger, can be by the heat of heat exchanger 25 from rack
Interior discharge, makes the coolant fast cooling inside heat exchanger 25, while fan 26 can drive the air circulation of interior of equipment cabinet,
The heat that the power device of power integrated unit 1 is distributed can be made to be discharged in the lump outside rack.
Scavenging air valve 27, the top for being arranged on water tank 22 is connected with water tank 22；Due to the coolant evaporation meeting inside water tank 22
Certain pressure is produced, so scavenging air valve 27 can discharge the gas being more than, it is ensured that the pressure stability inside water tank 22.
Liquidometer 28, is placed on the inside of water tank 22；For being mended for water tank 22 according to the upper and lower bound value of liquidometer 28
Liquid.Fan in above-mentioned and liquidometer herein 28 also belong to cool down component 2.
As a kind of implementation, the charger in the present embodiment, also include：
Temperature sensor 29, is arranged on the inlet 212 and liquid outlet of the liquid cooling plate 21；For detecting that liquid cooling plate 21 enters
The temperature of mouth and outlet coolant, is compared with temperature threshold is preset.
Pressure transducer 20, in being arranged on the cold pipeline 211 of the liquid；The pressure of coolant is gentle in for detecting the cold pipe of liquid
Body pressure, pressure transducer 20 can be accurately captured the change of coolant pressure.
Embodiment 2
The present embodiment provides a kind of control method of charger, is applied in the charger in embodiment 1, as shown in figure 3,
The control method of charger comprises the steps in this example：
S1, startup charge mode；Charger start and start to automobile charge when, completed by integrated power unit
The conversion of alternating current-direct current obtains reliable and stable unidirectional current；Simultaneously cooling system also performs radiating work, and the water pump in system is by water
Coolant in case sends into liquid cooling plate, and now at work, internal power device can dissipate the integrated power unit on liquid cooling plate
Go out certain heat, because being rapidly completed heat exchange using the coolant being arranged side by side in inside liquid cooling plate, power is integrated
Heat in unit can be reduced quickly.
S2, the temperature for obtaining charge parameter and coolant；Electrical quantity herein is voltage, electric current, the work(of charger output
The battery information data parameters that rate and vehicle are uploaded in real time, the temperature of coolant detects liquid cooling plate feed liquor for temperature sensor
The actual temperature value of mouth and liquid outlet.
S3, judge the temperature of coolant whether more than preset threshold value；By the temperature of coolant with it is set in advance
Temperature threshold is compared, so as to perform the charging output power of charger.
S4, according to charge parameter reduce charging output；Because the temperature of above-mentioned judgement coolant is more than presetting
Threshold value, so needing to reduce charging output.
Used as a kind of implementation, the control method of charger, also includes in this example：
Judge whether charging output reduces, if it is not, then sending fault-signal to high in the clouds platform.When charger cannot subtract
When little its output, now charger may have occurred failure, wirelessly be passed by the Wifi or 4G in internet communication
High in the clouds platform is defeated by, high in the clouds platform is obtained after fault-signal, conveniently informs that maintainer comes to check and keeps in repair.
Used as a kind of implementation method, the control method of charger, also includes in this example：
Whether the liquid level in water tank is judged more than specified lower limit, if it is not, close water tank to carry out supplementing liquid measure.In cooling system
When system performs radiating work, due to the coolant evaporation rate in water tank soon, when the liquid level in water tank is less than specified lower limit, just
Feed-tank is needed to supplement coolant.
Embodiment 3
This example carries a kind of control device of charger, corresponding with the control method of the charger in embodiment 1, such as schemes
Shown in 4, the control device of charger in this example, including such as lower unit：
Start unit 41, for starting charge mode；
Acquiring unit 42, for obtaining the temperature of charge parameter and coolant；
First judging unit 43, for judging the temperature of coolant whether more than preset threshold value；
Reduce unit 44, for reducing charging output according to charge parameter.
Used as a kind of implementation, the control device of charger, also includes in this example：
Second judging unit 45, for judging whether charging output reduces, if it is not, then sending fault-signal to high in the clouds
Platform.
Used as a kind of implementation method, the control device of charger, also includes in this example：
3rd judging unit 46, for whether judging the liquid level in water tank more than specified lower limit, if it is not, close water tank entering
Row supplements liquid measure.
Obviously, above-described embodiment is only intended to clearly illustrate example, and not to the restriction of embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (13)
1. a kind of charger, it is characterised in that what is cooled down including power integrated unit and to the power integrated unit is cold
But component, integrally disposed in the power integrated unit to have multiple power devices for charging, the cooling component includes liquid
Cold pipeline, the cold tubing envelopes of the liquid are in liquid cooling plate；The liquid cooling plate is provided with inlet and liquid outlet, and the power is integrated
Unit is arranged on the outer wall of the liquid cooling plate, and the inlet is connected by water pump with the water tank, the liquid outlet with change
Hot device connection.
2. charger according to claim 1, it is characterised in that the power device is that AC-DC commutators, DC-DC become
One or more in parallel operation.
3. charger according to claim 1, it is characterised in that the cold pipeline of the liquid is arranged parallel inside the liquid cooling plate
Row.
4. charger according to claim 1, it is characterised in that the base plate of the water tank is heat sink.
5. charger according to claim 4, it is characterised in that the coolant after the heat exchanger cooling described in is recycled to institute
State water tank.
6. the cold charger of liquid according to claim 1, it is characterised in that also include：
Fan, is connected with the heat exchanger；
Scavenging air valve, the top for being arranged on the water tank is connected with the water tank；
Liquidometer, is placed on the inside of the water tank.
7. charger according to claim 1, it is characterised in that also include：
Temperature sensor, is arranged on the inlet and liquid outlet of the liquid cooling plate；
Pressure transducer, in being arranged on the cold pipeline of the liquid.
8. the control method of charger described in a kind of any one of claim 1-7, it is characterised in that comprise the steps：
Start charge mode；
Obtain the temperature of charge parameter and the coolant；
Judge the temperature of the coolant whether more than preset threshold value；
Charging output is reduced according to the charge parameter.
9. control method according to claim 8, it is characterised in that also include：
Judge whether the charging output reduces, if it is not, then sending fault-signal to high in the clouds platform.
10. control method according to claim 8, it is characterised in that also include：
Whether the liquid level in the water tank is judged more than specified lower limit, if it is not, close the water tank to carry out supplementing liquid measure.
11. a kind of control devices of charger, it is characterised in that include such as lower unit：
Start unit, for starting charge mode；
Acquiring unit, for obtaining the temperature of charge parameter and the coolant；
First judging unit, for judging the temperature of the coolant whether more than preset threshold value；
Reduce unit, for reducing charging output according to the charge parameter.
12. a kind of control devices of charger, it is characterised in that also include：
Second judging unit, for judging whether the charging output reduces, if it is not, it is flat to high in the clouds then to send fault-signal
Platform.
13. a kind of control devices of charger, it is characterised in that also include：
3rd judging unit, for whether judging the liquid level in the water tank more than specified lower limit, if it is not, closing the water tank
Carry out supplementing liquid measure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611227652.4A CN106604610A (en) | 2016-12-27 | 2016-12-27 | Charger and control method and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611227652.4A CN106604610A (en) | 2016-12-27 | 2016-12-27 | Charger and control method and device thereof |
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| Publication Number | Publication Date |
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| CN106604610A true CN106604610A (en) | 2017-04-26 |
Family
ID=58604543
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611227652.4A Pending CN106604610A (en) | 2016-12-27 | 2016-12-27 | Charger and control method and device thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017692A (en) * | 2017-06-02 | 2017-08-04 | 广东万城万充电动车运营股份有限公司 | A kind of high power DC charger |
| CN107069891A (en) * | 2017-06-02 | 2017-08-18 | 广东万城万充电动车运营股份有限公司 | A kind of electric automobile charging station based on high withstand voltage IGBT DC distributions |
| CN107231032A (en) * | 2017-06-02 | 2017-10-03 | 广东万城万充电动车运营股份有限公司 | A kind of DC charging module of concentration radiating high-power |
| CN107933340A (en) * | 2017-11-06 | 2018-04-20 | 深圳市沃尔新能源电气科技股份有限公司 | The cold high power charging device of liquid and its monitoring method |
| CN110014995A (en) * | 2017-08-24 | 2019-07-16 | 通用汽车环球科技运作有限责任公司 | Electric automobile charging station power transmission system |
| CN110171312A (en) * | 2018-02-20 | 2019-08-27 | 保时捷股份公司 | Charging system with integrated form coolant storage |
| 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 |
| CN110290673A (en) * | 2019-05-23 | 2019-09-27 | 北京航盛新能科技有限公司 | A kind of oil injection type Vehicular charger heat management system |
| CN110386011A (en) * | 2018-04-18 | 2019-10-29 | Abb瑞士股份有限公司 | Detect the bad contact of charging cable |
| CN110712553A (en) * | 2019-11-13 | 2020-01-21 | 南京能瑞电力科技有限公司 | Direct current charger |
| CN115230537A (en) * | 2021-04-23 | 2022-10-25 | 北京昇科能源科技有限责任公司 | Charging method and device of charging pile |
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| CN110290673A (en) * | 2019-05-23 | 2019-09-27 | 北京航盛新能科技有限公司 | A kind of oil injection type Vehicular charger heat management system |
| 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 |
| CN110712553B (en) * | 2019-11-13 | 2023-01-10 | 南京能瑞电力科技有限公司 | Direct current charger |
| CN110712553A (en) * | 2019-11-13 | 2020-01-21 | 南京能瑞电力科技有限公司 | Direct current charger |
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