CN207743713U - Direct current mobile charging stake - Google Patents
Direct current mobile charging stake Download PDFInfo
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- CN207743713U CN207743713U CN201721521168.2U CN201721521168U CN207743713U CN 207743713 U CN207743713 U CN 207743713U CN 201721521168 U CN201721521168 U CN 201721521168U CN 207743713 U CN207743713 U CN 207743713U
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- 238000004891 communication Methods 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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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
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of direct current mobile charging stake, including DC charging seat, charger master control borad, the first charge switch, the second charge switch, charging module and DC charging rifle, and DC charging seat includes power supply terminal and communication terminal；Communication terminal connects the master control borad of charger master control borad and ground charging pile, and the power supply terminal of DC charging seat is used to access the DC power supply of ground charging pile；The first control terminal and the second control terminal of charger master control borad are connect with the controlled end of the first charge switch and the second charge switch respectively, and the output end of the test side of charger master control borad and the second charge switch is distinguished charged stake and connect with electricity consumption vehicle；Power supply terminal is connect with the input terminal of the first charge switch, and the output end of the first charge switch and the input terminal of charging module connect；The output end of charging module is connect with the input terminal of the second charge switch.It is difficult that the utility model solves the problems, such as that DC200V 750V type electricity consumption vehicles find charging pile.
Description
Technical Field
The utility model relates to a power technical field, in particular to direct current removes and fills electric pile.
Background
At present, the output voltage models of domestic direct current charging facilities are divided into two types, namely DC200V-500V and DC 200V-750V. The former mainly charges vehicles with low battery voltage, such as pure electric passenger vehicles, minivans and the like; the latter can charge a vehicle having a high battery voltage such as a pure electric bus, in addition to the former function.
However, the existing charging facilities are extremely imperfect, and the construction of DC200V-750V ground charging piles is less, so that the charging of vehicles such as pure electric buses with high-voltage charging requirements is difficult, and great inconvenience is brought to the charging.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a direct current removes and fills electric pile aims at solving DC200V-750V type power consumption vehicle and needs to go to specific place and just can charge, seeks the problem of filling the electric pile difficulty.
In order to achieve the above object, the present invention provides a dc mobile charging pile for connecting a ground charging pile and an electric vehicle, wherein the dc mobile charging pile comprises a dc charging seat, a charger main control board, a first charging switch, a second charging switch, a charging module and a dc charging gun, and the dc charging seat comprises a power terminal and a communication terminal; the communication terminal is connected with the charger main control board and the ground charging pile main control board, and a power supply terminal of the direct current charging seat is used for being connected with a direct current power supply of the ground charging pile; the first control end and the second control end of the charger main control board are respectively connected with the controlled ends of the first charging switch and the second charging switch, and the detection end of the charger main control board and the output end of the second charging switch are respectively connected with the electric vehicle through the charging pile; the power supply terminal is connected with the input end of the first charging switch, and the output end of the first charging switch is connected with the input end of the charging module; the output end of the charging module is connected with the input end of the second charging switch; wherein,
the charger main control board is used for controlling the second charging switch to be closed when the direct current charging gun is detected to be connected to the electric vehicle, and controlling the first charging switch to be switched on/off according to the required power of the electric vehicle and the output power of the ground charging pile; and when detecting the power signal output by the ground charging pile, controlling the charging module to work so as to output the required power corresponding to the electric vehicle.
Preferably, the direct-current mobile charging pile further comprises a pre-charging switch and a DC/DC boost power supply, a controlled end of the pre-charging switch is connected with a third control end of the charger main control board, an input end of the pre-charging switch is connected with the DC/DC boost power supply, and an output end of the pre-charging switch is connected with the power supply terminal;
the charger control board is also used for controlling the pre-charging switch to be closed when the communication terminal is in communication connection with the main control board of the ground charging pile so as to drive the DC/DC booster power supply to output a first DC power supply to the power supply terminal.
Preferably, the pre-charging switch is a dc contactor.
Preferably, the direct current mobile charging pile further comprises a one-way conduction element, and the one-way conduction element is arranged between the charging switch and the DC/DC boost power supply in series.
Preferably, the direct current mobile charging pile further comprises a storage battery for supplying power to the DC/DC boost power supply, and the storage battery is connected with the DC/DC boost power supply and the power input end of the charger main control board respectively.
Preferably, the direct-current mobile charging pile further comprises a DC/DC step-down power supply for supplying power to the charger main control board and the storage battery, an input end of the DC/DC step-down power supply is connected with an output end of the charging module, and an output end of the DC/DC step-down power supply is connected with the storage battery and the charger main control board respectively.
Preferably, the first charging switch and/or the first charging switch is a dc contactor.
Preferably, a protective tube is further arranged between the power supply terminal and the charging module in series.
Preferably, the direct current mobile charging pile further comprises a touch display screen, and the display screen is connected with the charger main control board.
Preferably, the direct current removes to fill electric pile for on-vehicle portable direct current removes to fill electric pile, or the portable direct current of hand push removes to fill electric pile.
The utility model discloses electric pile is filled as an intermediate equipment to direct current removal, when detecting with ground and fill electric pile and electricelectric move when the high electric vehicle communication of battery voltage is connected, acquire respectively that the machine main control board that charges can acquire the output power ability that electric pile was filled to demand power size and ground through the battery management system of electric vehicle, and be greater than the output that electric pile was filled to ground in the demand power of electric vehicle, the voltage of filling electric pile output with ground is exported to the electric vehicle after stepping up, realize charging for the electric vehicle. The utility model discloses the ground of the big voltage of DC200V-750V type that need not to rebuild fills electric pile, can utilize density just also great DC200V-750V type ground to fill electric pile, realizes charging DC200V-750V type big voltage power consumption vehicle. Therefore, the problem that vehicles such as pure electric buses with high-voltage charging requirements are difficult to find ground charging piles due to the fact that the vehicles need to be charged in a specific place when the vehicles with the DC200V-750V power consumption need to be charged, charging nearby cannot be achieved, and great inconvenience is brought to charging of the vehicles is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the dc mobile charging pile of the present invention;
fig. 2 is a schematic circuit structure diagram of an embodiment of the dc mobile charging pile in fig. 1.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a direct current removes and fills electric pile for connect ground to fill electric pile and power consumption vehicle.
At present, there are two kinds for the voltage model of the ground of charging electric pile output that the electric motor car charges in China: the charging pile comprises a DC200V-500V and a DC200V-750V, wherein the DC200V-500V type ground charging pile is mainly used for charging vehicles with low battery voltage, such as pure electric passenger cars, minivans and the like. The DC200V-750V type ground charging pile is mainly used for charging vehicles with high battery voltage, such as pure electric buses. Because the mainstream products in the market at present are the vehicles with low battery voltage such as pure electric passenger cars and minivans, the density of the DC200V-500V type ground charging pile equipped with the vehicles is also larger, the vehicle market occupation amount of the pure electric buses with high battery voltage is smaller, the density of the DC200V-750V type ground charging pile equipped with the vehicles is also smaller, the charging can be carried out in a specific place, the ground charging pile is difficult to find for the vehicles with high voltage charging requirements such as the pure electric buses, the charging at nearby can not be realized, and great inconvenience is brought to the charging.
In order to solve the problem, the utility model discloses electric pile is filled as an intermediate equipment to the direct current removal, connects DC200V-750V type ground and fills electric pile and electricelectric moves the high electric vehicle of battery voltage such as bus, with DC200V-750V type ground voltage of filling electric pile output carry out the back output to the electric vehicle that steps up, realize charging for the electric vehicle.
Referring to fig. 1 and 2, in an embodiment of the present invention, the dc mobile charging pile 200 includes a dc charging base 10, a charger main control board 20, a first charging switch KMD1, a second charging switch KMD2, a charging module 30 and a dc charging gun 40, wherein the dc charging base 10 includes a power terminal and a communication terminal; the communication terminal is connected with the charger main control board 20 and the main control board of the ground charging pile 100, and the power supply terminal of the direct current charging seat 10 is used for accessing a direct current power supply of the ground charging pile 100; the first control end and the second control end of the charger main control board 20 are respectively connected with the controlled ends of the first charging switch KMD1 and the second charging switch KMD2, and the detection end of the charger main control board 20 and the output end of the second charging switch KMD2 are respectively connected with the electric vehicle 300 through the charging pile; the power supply terminal is connected to an input of the first charging switch KMD1, and an output of the first charging switch KMD1 is connected to an input of the charging module 30; the output end of the charging module 30 is connected to the input end of the second charging switch KMD 2; wherein,
the charger main control board 20 is configured to control the second charging switch KMD2 to be closed when detecting that the dc charging gun 40 is connected to the electric vehicle 300, and control the first charging switch KMD1 to be closed to wait for charging when detecting that the required power of the electric vehicle 300 is greater than the output power of the ground charging pile 100; and when detecting the power signal output by the ground charging pile 100, controlling the charging module 30 to operate so as to output the required power corresponding to the electric vehicle 300.
In this embodiment, the first charging switch KMD1 and/or the first charging switch KMD1 are preferably implemented by using a dc contactor, but in other embodiments, the first charging switch KMD1 and the second charging switch KMD2 may also be implemented by using switches with good voltage resistance, which is not limited herein. The first charging switch KMD1 and the second charging switch KMD2 are respectively provided with two groups of movable contacts and fixed contacts, one movable contact in the first charging switch KMD1 is connected with the positive terminal D + of the power supply terminal, and the other movable contact is connected with the negative input end of the charging module 30; one stationary contact of the first charging switch KMD1 is connected to the positive input terminal of the charging module 30, and the other stationary contact is connected to the negative terminal D-of the power supply terminal. One movable contact of the second charging switch KMD2 is connected with the positive output end of the charging module 30, and the other movable contact is connected with the dc charging gun 40; one stationary contact of the second charging switch KMD2 is connected to the dc charging gun 40, and the other stationary contact is connected to the negative output terminal of the charging module 30. The ground charging pile 100 is a DC200V-500V ground charging pile 100, and in the embodiment, the voltage input by the DC200V-500V ground charging pile 100 is boosted to charge the DC200V-750V electric vehicle 300 by utilizing the characteristic that the DC200V-500V ground charging pile 100 is densely distributed on the ground.
The number of the charging modules 30 is plural, and specifically, the charging modules 30 may be set according to the battery voltage requirement of the electric vehicle 300, or the number of the charging modules 30 is plural, and the charging machine main control board 20 is in communication connection with the electric vehicle 300, and controls the charging modules 30 of the corresponding number to work according to the detected battery voltage requirement of the electric vehicle 300.
It should be noted that, before the ground charging pile 100 starts charging, it is necessary to ensure that the voltage of 300-500V is already present at the power output end, that is, the dc bus end, and after detecting that the voltage of 300-500V is detected on the bus, the output contactor of the ground charging pile 100 is closed.
In order to provide a DC400V voltage before charging, in this embodiment, the DC mobile charging pile 200 further includes a pre-charging switch KMO and a DC/DC boost power supply 50, a controlled terminal of the pre-charging switch KMO is connected to a third control terminal of the charger main control board 20, an input terminal of the pre-charging switch KMO is connected to the DC/DC boost power supply 50, and an output terminal of the pre-charging switch KMO is connected to the power supply terminal;
the charger control board is further configured to control the pre-charging switch KMO to be closed when the communication terminal is in communication connection with the main control board of the ground charging pile 100, so as to drive the DC/DC boost power supply 50 to output a first DC power supply to the power supply terminal.
The pre-charging switch KMO is a DC contactor, the voltage range of the first DC power supply is 300-500V, the voltage range of the first DC power supply is preferably 400V, and the DC/DC boost power supply 50 is preferably a 24/400V DC/DC boost power supply 50.
The working principle of the dc mobile charging pile 200 of this embodiment is specifically described as follows:
after the charging gun of the ground charging pile 100 is inserted into the dc charging socket 10 of the dc mobile charging pile 200, the charger main control board 20 of the dc mobile charging pile 200 and the ground charging pile 100 main control board are connected and confirmed through the charging gun terminal CC1 and the charging socket terminal CC2 of the dc charging socket 10, after the connection and confirmation are successful, the charger main control board 20 is in communication connection with the ground pile main control board through the communication terminal of the dc charging socket 10, that is, the handshaking is started through the international standard protocol, in this process, the charger main control board 20 can obtain the output power capability of the ground charging pile 100.
After the handshake is successful, the charging pile main control board controls the precharge switch KMO to be closed, and a DC400V voltage is provided for the DC bus through the DC/DC boost power supply 50, so that when the ground charging pile 100 main control board detects the DC400V voltage on the bus, the ground charging pile 100 output contactor is controlled to be charged.
When detecting that the dc charging gun 40 of the dc mobile charging pile 200 is inserted into the electric vehicle 300 to be charged, the charger main control board 20 communicates with the electric vehicle 300 through the dc charging gun 40, that is, starts to perform handshaking through the international standard protocol, and in this process, the charger main control board 20 may obtain the required power through the battery management system of the electric vehicle 300.
After the handshake is successful, the charger main control board 20 controls the second charging switch KMD2 to be closed, and controls the first charging switch KMD1 to be turned on/off according to the required power of the electric vehicle 300 and the output power of the ground charging pile 100, for example, when the required power of the electric vehicle 300 is greater than the output power of the ground charging pile 100, the first charging switch KMD1 is controlled to be closed, and when the required power of the electric vehicle 300 is less than the output power of the ground charging pile 100, the first charging switch KMD1 is controlled to keep an open state. It can be understood that the comparison between the required power of the electric vehicle and the output power of the ground charging pile 100 can be implemented by a comparator on the charger main control board 20 through comparison and analysis, and certainly can also be implemented by a software program integrated in the MCU on the main control board, and those skilled in the art can know the comparison through an existing software module.
When detecting that the required power of the electric vehicle is greater than the output power of the ground charging pile 100, the charger main control board 20 converts the required power value of the electric vehicle 300 into a charging demand message and sends the charging demand message to the ground charging pile 100, so that when an operator performs a charging operation through the ground charging pile 100, the ground charging pile 100 performs constant voltage output to the power terminal of the DC charging stand 10, that is, on the DC bus, with an agreed message, and the voltage output of the ground charging pile 100 in this embodiment is DC 500V.
When detecting the power signal output by the ground charging pile 100, the charger main control board 20 controls the corresponding charging module 30 to work according to the required power value of the electric vehicle 300, so as to boost the voltage at the output end of the ground charging pile 100 and output the boosted voltage to the electric vehicle 300, thereby realizing the charging of the electric vehicle 300 with high battery voltage, such as a pure electric bus.
The utility model discloses direct current removes and fills electric pile 200 as an intermediate equipment, when detecting the electric vehicle 300 communication connection that fills battery voltage height such as electric pile 100 and electricelectric moves the bus with ground, acquire respectively that the machine main control board 20 that charges can acquire demand power size and the output power ability that electric pile 100 was filled on ground through the battery management system of electric vehicle 300, and the demand power of electric vehicle 300 is greater than the output power that electric pile 100 was filled on ground, the voltage of filling electric pile 100 output on ground is exported to electric vehicle 300 after stepping up, realize charging for electric vehicle 300. The utility model discloses the ground of the big voltage of DC200V-750V type that need not to rebuild fills electric pile 100, can utilize density just also great DC200V-750V type ground to fill electric pile 100, realizes charging DC200V-750V type big voltage power consumption vehicle 300. Therefore, the problem that the ground charging pile 100 is difficult to find for vehicles with high-voltage charging requirements such as pure electric buses due to the fact that the DC200V-750V electric vehicle 300 can be charged only in a specific place, charging nearby cannot be achieved, and great inconvenience is brought to charging of the vehicles is solved.
It can be understood that, for the convenience of transportation, in this embodiment, the dc mobile charging pile 200 may be the vehicle-mounted mobile dc mobile charging pile 200, or the hand-pushed mobile dc mobile charging pile 200, and of course, other mobile modes may also be adopted to implement, which is not limited herein.
Referring to fig. 1 and 2, further, the DC mobile charging pile 200 further includes a one-way conducting element D1, and the one-way conducting element D1 is serially disposed between the charging switch and the DC/DC boost power supply 50.
In this embodiment, the one-way conducting element D1 may be a component having a one-way conducting property, and is preferably a diode in this embodiment, and the one-way conducting property of the diode is utilized, so as to prevent the voltage input by the ground charging pile 100 from flowing back to the DC/DC boost power supply 50 through the DC bus and burning the DC/DC boost power supply 50.
Referring to fig. 1 and 2, in a preferred embodiment, the DC mobile charging pile 200 further includes a storage battery 60 for supplying power to the DC/DC boost power supply 50, and an output end of the storage battery 60 is connected to the DC/DC boost power supply 50 and a power input end of the charger main control board 20 respectively.
It should be noted that, when the DC mobile charging pile 200 starts to work, the charger main control board 20 and the DC/DC boost power supply 50 are powered by no power supply, so the present embodiment provides a storage battery 60 to supply power to the charger main control board 20 and the DC/DC boost power supply 50.
Referring to fig. 1 and 2, further, the DC mobile charging pile 200 further includes a DC/DC step-down power supply 70 for supplying power to the charger main control board 20 and the storage battery 60, an input end of the DC/DC step-down power supply 70 is connected to an output end of the charging module 30, and an output end of the DC/DC step-down power supply 70 is connected to the storage battery 60 and the charger main control board 20, respectively.
In this embodiment, the DC/DC voltage reduction power supply 70 reduces the voltage output by the charging module 30, stores energy for the storage battery, and provides working voltage for the charger main control board 20 and other circuit modules.
Referring to fig. 1 and 2, in the above embodiment, a fuse is further disposed between the power terminal and the charging module in series, the power terminal includes a positive terminal D + and a negative terminal D-, and the number of the fuse is two and the two fuses are respectively connected to the positive terminal D + and the negative terminal D-of the power terminal, so as to prevent the charging module and the electric vehicle 300 which is being charged at the rear stage when the voltage applied to the ground charging pile 100 is too large.
Referring to fig. 1 and 2, based on the above embodiment, the dc mobile charging pile 200 further includes a touch display screen (not shown), and the display screen is connected to the charger main control board 20.
In this embodiment, operating personnel can set up corresponding parameter through the touch display screen on the direct current mobile vehicle, for example output power parameter, voltage, electric current size etc. and operating personnel can also carry out new and old national standard through this touch display screen and change.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. A direct current mobile charging pile is used for connecting a ground charging pile and a power-driven vehicle and is characterized by comprising a direct current charging seat, a charger main control board, a first charging switch, a second charging switch, a charging module and a direct current charging gun, wherein the direct current charging seat comprises a power terminal and a communication terminal; the communication terminal is connected with the charger main control board and the ground charging pile main control board, and a power supply terminal of the direct current charging seat is used for being connected with a direct current power supply of the ground charging pile; the first control end and the second control end of the charger main control board are respectively connected with the controlled ends of the first charging switch and the second charging switch, and the detection end of the charger main control board and the output end of the second charging switch are respectively connected with the electric vehicle through the charging pile; the power supply terminal is connected with the input end of the first charging switch, and the output end of the first charging switch is connected with the input end of the charging module; the output end of the charging module is connected with the input end of the second charging switch; wherein,
the charger main control board is used for controlling the second charging switch to be closed when the direct current charging gun is detected to be connected to the electric vehicle, and controlling the first charging switch to be switched on/off according to the required power of the electric vehicle and the output power of the ground charging pile; and when detecting the power signal output by the ground charging pile, controlling the charging module to work so as to output the required power corresponding to the electric vehicle.
2. The direct-current mobile charging pile according to claim 1, further comprising a pre-charging switch and a DC/DC boost power supply, wherein a controlled end of the pre-charging switch is connected to a third control end of the charger main control board, an input end of the pre-charging switch is connected to the DC/DC boost power supply, and an output end of the pre-charging switch is connected to the power supply terminal;
the charger control board is also used for controlling the pre-charging switch to be closed when the communication terminal is in communication connection with the main control board of the ground charging pile so as to drive the DC/DC booster power supply to output a first DC power supply to the power supply terminal.
3. The direct current mobile charging pile according to claim 2, wherein the pre-charging switch is a direct current contactor.
4. The DC mobile charging pile according to claim 2, further comprising a one-way conduction element, wherein the one-way conduction element is arranged in series between the charging switch and the DC/DC boost power supply.
5. The direct-current mobile charging pile according to claim 2, further comprising a storage battery for supplying power to the DC/DC boost power supply, wherein the storage battery is connected to the DC/DC boost power supply and the power input end of the charger main control board respectively.
6. The direct-current mobile charging pile according to claim 5, further comprising a DC/DC step-down power supply for supplying power to the charger main control board and the storage battery, wherein an input end of the DC/DC step-down power supply is connected to an output end of the charging module, and an output end of the DC/DC step-down power supply is connected to the storage battery and the charger main control board respectively.
7. The direct current mobile charging pile according to any one of claims 1 to 6, characterized in that the first charging switch and/or the first charging switch is a direct current contactor.
8. The direct-current mobile charging pile according to any one of claims 1 to 6, wherein a fuse is further arranged between the power terminal and the charging module in series.
9. The direct current mobile charging pile according to any one of claims 1 to 6, further comprising a touch display screen, wherein the display screen is connected with the charger main control board.
10. The direct current mobile charging pile according to any one of claims 1 to 6, wherein the direct current mobile charging pile is a vehicle-mounted mobile direct current mobile charging pile or a hand-pushed mobile direct current mobile charging pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721521168.2U CN207743713U (en) | 2017-11-14 | 2017-11-14 | Direct current mobile charging stake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721521168.2U CN207743713U (en) | 2017-11-14 | 2017-11-14 | Direct current mobile charging stake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207743713U true CN207743713U (en) | 2018-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721521168.2U Expired - Fee Related CN207743713U (en) | 2017-11-14 | 2017-11-14 | Direct current mobile charging stake |
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| Country | Link |
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| CN (1) | CN207743713U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459642A (en) * | 2018-12-13 | 2019-03-12 | 广州供电局有限公司 | Direct-current charging post tests circuit and its test device |
| WO2022160189A1 (en) * | 2021-01-28 | 2022-08-04 | 宁德时代新能源科技股份有限公司 | Power conversion device precharging method and power conversion device |
| WO2022246831A1 (en) * | 2021-05-28 | 2022-12-01 | 宁波吉利汽车研究开发有限公司 | Vehicle charging control method, and device and computer-readable storage medium |
-
2017
- 2017-11-14 CN CN201721521168.2U patent/CN207743713U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459642A (en) * | 2018-12-13 | 2019-03-12 | 广州供电局有限公司 | Direct-current charging post tests circuit and its test device |
| WO2022160189A1 (en) * | 2021-01-28 | 2022-08-04 | 宁德时代新能源科技股份有限公司 | Power conversion device precharging method and power conversion device |
| WO2022246831A1 (en) * | 2021-05-28 | 2022-12-01 | 宁波吉利汽车研究开发有限公司 | Vehicle charging control method, and device and computer-readable storage medium |
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Granted publication date: 20180817 Termination date: 20191114 |