CN110254274A - A kind of underground AC charging pile for electric vehicle - Google Patents
A kind of underground AC charging pile for electric vehicle Download PDFInfo
- Publication number
- CN110254274A CN110254274A CN201910572024.7A CN201910572024A CN110254274A CN 110254274 A CN110254274 A CN 110254274A CN 201910572024 A CN201910572024 A CN 201910572024A CN 110254274 A CN110254274 A CN 110254274A
- Authority
- CN
- China
- Prior art keywords
- charging
- underground
- charging pile
- fixedly connected
- seal box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to charging equipment of electric automobile technical fields, and disclose a kind of underground AC charging pile for electric vehicle, including the charging pile body in the underground tank of underground and set on the charging head of ground, the outside of the charging pile body is equipped with the seal box being fully sealed, and seal box is set in underground tank completely, the top of the seal box is equipped with support tube, the mounting table for placing charging head is fixedly installed at the top of the support tube, electric wire perforating branches stay tube between the charging pile body and mounting table and charging head, the charging head is fixedly connected with the intubation of the charging for being inserted into automobile cradle far from one end of electric wire.By that will charge, pile body is mounted in the seal box of underground, when ensuring that rainfall is larger, rainwater will not penetrate into the inside of charging pile body, and the situation for having prevented short circuit due to rainwater of charging pile internal wiring occurs, so that charging pile remains to the use continued safely in the rainy day.
Description
Technical field
The present invention relates to charging equipment of electric automobile field, specially a kind of underground AC charging pile for electric vehicle.
Background technique
Electric car refers to using vehicle power supply as power, with motor driven wheels travel, meets road traffic, security legislation
The vehicle of requirements, because of its energy-saving and environmental protection, economy etc., effect on environment is lesser with respect to orthodox car, is connect by more people
By using also increasingly wider, the power supply of the too busy to get away charging pile of the application of electric car.
However, due in city vehicle it is more, the Quantity of charging pile is larger, and existing charging pile is set to ground more
On, and ground resource is precious in city, the charging pile meeting land occupation resource of large volume, and some charging piles set on underground,
Larger in rainfall, excess surface water cannot drain in time, and rainwater is easily penetrated into inside charging pile, cause charging pile internal wiring
Short circuit so that charging pile damage, influence people use, and people the rainy day take charging head to insertion during, extract to placement
Period, few people go to block charging port, and rainwater is easy to fall at the charging port of charging head at this time, may make in charging
At short circuit, causes charging pile or automobile to receive power supply damage, also threatened the life and health of charging personnel.
Summary of the invention
The present invention provides a kind of underground AC charging pile for electric vehicle, have rainwater be not easy to penetrate into charging pile and
Rainwater is not easy the advantages of penetrating into charging port during rainy day taking and placing charging head, solves the technology that background technique center is mentioned and asks
Topic.
The invention provides the following technical scheme: a kind of underground AC charging pile for electric vehicle, including being set to underground
The outside of charging pile body in underground tank and the charging head set on ground, the charging pile body is equipped with the sealing being fully sealed
Case, and seal box is set in underground tank completely, the top of the seal box is equipped with support tube, the fixed peace in the top of the support tube
Equipped with the mounting table for placing charging head, the electric wire perforating branches stay tube to charge between pile body and mounting table and charging head,
The charging head is fixedly connected with the charging for being inserted into automobile cradle far from one end of electric wire and is intubated, on the charging head
Equipped with the rain cover for blocking charging intubation charging port, and rain cover blocks the charging port of charging intubation completely.
Preferably, the installing pipe being located above charging pile body, the support are fixedly connected at the top of the seal box
Pipe is fixed by screws in installing pipe, and the line of package electric wire is equipped between the bottom end and charging pile body of the installing pipe
Road casing.
Preferably, it is equipped with the siphunculus for being located at charging pile body side at the top of the seal box, the diameter of the siphunculus is
The top of 50cm-80cm, the siphunculus extend at ground, and the end sealing of siphunculus has sealing cover.
Preferably, the fixation that the side of the mounting table is fixedly connected with positioned at charging head periphery is kept off the rain frame, the fixation
Keep off the rain frame side be equipped with side weather shield.
Preferably, interlock plate is fixedly connected in the middle part of the rain cover front and back, two interlock plates are remote
One end from rain cover is movably installed with fixing axle respectively, one end of two fixing axles respectively with the front of charging head and back
Face is fixedly connected, and is movably installed with torsional spring in the fixing axle, the both ends of the torsional spring table with interlock plate and charging head respectively
Face is fixedly connected, and the opposite side of two interlock plates is fixedly connected to limited block.
Preferably, the charging intubation is equipped with transversely movable sliding sleeve, and the sliding sleeve is filled close to charging intubation
The side of power port is movably installed with annular sponge body, and the side that the annular sponge body is located inside sliding sleeve is fixedly connected with ten
The spring of two equidistant arrangements, and each spring is fixedly connected to limit shaft, 12 institutes far from one end of annular sponge body
It states the one end of limit shaft far from spring to be fixedly connected with the side of charging head, and limit shaft and sliding sleeve pivot bush unit.
Preferably, the front and back of the sliding sleeve is equipped with the block for being limited to limited block, and block
Top and fixing axle center it is in the same plane.
Preferably, it is reserved with certain space between the seal box and underground tank, and is equipped at underground tank and earth's surface ventilative
The outside in hole, the seal box is equipped with cooling fin.
The present invention have it is following the utility model has the advantages that
1, the underground AC charging pile for electric vehicle is mounted on the seal box of underground by the pile body that will charge
It is interior, it is ensured that when rainfall is larger, rainwater will not penetrate into the inside of charging pile body, prevent charging pile internal wiring because of rainwater
And the situation of short circuit occurs, so that charging pile remains to the use continued safely in the rainy day.
2, the underground AC charging pile for electric vehicle, by the twisting force of torsional spring, so that under normal circumstances, charging
On head rain cover block charging intubation charging port so that people the rainy day take charging head to insertion during, extract to placement
Period, rainwater are not easy to fall at the charging port of charging head, it is ensured that and the charging port for the intubation that charges is not influenced and short-circuit by rainwater,
Effectively ensure that people charge in rainy day safe handling charging head, and in the cradle of charging plug insertion automobile
When, the elastic force of spring makes annular sponge body wrap up charging plug, has effectively ensured in rainy day charging process, and rainwater will not be
In the lower socket for receiving power supply into automobile charging of wind-force effect, the safety of rainy day charging has further been ensured.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is partial enlargement diagram at the A of Fig. 1 of the present invention；
Fig. 3 is Fig. 2 structure charging head schematic diagram of the present invention；
Fig. 4 is Fig. 2 structure charging head partial top view of the present invention；
Fig. 5 is Fig. 2 structure charging head partial cross sectional views of the present invention；
Fig. 6 is the side view of Fig. 2 structure of the present invention charging intubation.
In figure: 1, charge pile body；101, installing pipe；102, routing sleeves；2, seal box；201, siphunculus；202, it seals
Lid；3, underground tank；4, support tube；401, mounting table；402, the fixed frame that keeps off the rain；403, side weather shield；5, charging head；501, it charges
Intubation；502, sliding sleeve；5021, annular sponge body；5022, spring；5023, limit shaft；503, rain cover；5031, interlock plate；
5032, fixing axle；5033, torsional spring；5034, limited block.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-6, a kind of underground AC charging pile for electric vehicle, including being set in the underground tank 3 of underground
The outside of the pile body 1 that charges and the charging head 5 set on ground, charging pile body 1 is equipped with the seal box 2 being fully sealed, seal box 2
Top be fixedly connected with the installing pipe 101 for being located at charging pile body 1 top, support tube 4, which is fixed by screws, to be installed
On pipe 101, it is equipped with the routing sleeves 102 of package electric wire between the bottom end and charging pile body 1 of installing pipe 101, screw can be passed through
Fixed or disassembly support tube 4, so as to the installation and later period maintenance of charging pile, being equipped with for 2 top of seal box is located at charging pile body 1
The diameter of the siphunculus 201 of side, siphunculus 201 is 50cm-80cm, and the top of siphunculus 201 extends at ground, and siphunculus 201
End sealing has sealing cover 202, and the sealing effect of seal box 2 is ensured by sealing cover 202, has effectively ensured that rainwater will not seep
Enter, charging pile body 1 impacted, and opens sealing cover 202, can personnel convenient to overhaul in seal box 2, to charging pile
Ontology 1 carries out later period maintenance, and seal box 2 is set in underground tank 3 completely, and the top of seal box 2 is equipped with support tube 4, support tube 4
Top be fixedly installed with the mounting table 401 for placing charging head 5, the side of mounting table 401, which is fixedly connected with, is located at charging
The fixation of first 5 periphery is kept off the rain frame 402, and the side of the fixed frame 402 that keeps off the rain is equipped with side weather shield 403, in the rainy day to charging
First 5 keep off the rain, and prevent rainwater to be blown into mounting table 401 under the action of the wind for placing at charging head 5, it is ensured that charging head 5
It will not seep water and damage, the side of mounting table 401 is additionally provided with the credit card area for swiping the card, for showing the display of charge condition
Screen, the electric wire perforating branches stay tube 4 between the pile body 1 that charges and mounting table 401 and charging head 5, the one end of charging head 5 far from electric wire are solid
Surely it is connected with the charging intubation 501 for being inserted into automobile cradle, charging head 5 is equipped with to be filled for blocking charging intubation 501
The rain cover 503 of electric port is fixedly connected to interlock plate 5031, two interlock plates in the middle part of 503 front and back of rain cover
5031 one end far from rain cover 503 are movably installed with fixing axle 5032 respectively, one end of two fixing axles 5032 respectively with fill
The front and back of dateline 5 is fixedly connected, and is movably installed with torsional spring 5033 in fixing axle 5032, the both ends of torsional spring 5033 respectively with
Interlock plate 5031 is fixedly connected with the surface of charging head 5, and the opposite side of two interlock plates 5031 is fixedly connected to limited block 5034,
When in use, rain cover 503 need to only be rotated and is opened, thus by charging in 501 insertion automobile charging socket of charging intubation, and
Under normal circumstances, using the twisting force of torsional spring 5033, the block on sliding sleeve 502 is cooperated to limit limited block 5034
Position so that rain cover 503 always in block charging intubation 501 so that people the rainy day take charging head 5 to be inserted into during, pull out
During arriving placement out, rainwater is not easy at the charging port for falling into charging intubation 501, it is ensured that the charging port of charging intubation 501 is not
It is influenced and short-circuit by rainwater, has effectively ensured that people charge in rainy day safe handling charging head 5, and rain cover 503 is complete
The charging port of charging intubation 501 is blocked entirely, pile body 1 is mounted in the seal box 2 of underground by that will charge, it is ensured that drop
When rainfall is larger, rainwater will not penetrate into the inside of charging pile body 1, prevent short circuit due to rainwater of charging pile internal wiring
It happens, so that charging pile remains to the use continued safely in the rainy day.
Charging intubation 501 is equipped with transversely movable sliding sleeve 502, and sliding sleeve 502 is close to charging 501 charge ports of intubation
Side be movably installed with annular sponge body 5021, the side that annular sponge body 5021 is located inside sliding sleeve 502 is fixedly connected
There is the spring 5022 of 12 equidistant arrangements, and each spring 5022 is fixedly connected to far from one end of annular sponge body 5021
5023,12 one end of limit shaft 5023 far from spring 5022 of limit shaft are fixedly connected with the side of charging head 5, and limit shaft
Charging intubation 501 is inserted on the cradle of automobile in charging with 502 pivot bush unit of sliding sleeve, passes through spring 5022 by 5023
Elastic force make annular sponge body 5021 closely touch the surface of automobile cradle, package charging intubation 501 is effective to ensure
In rainy day charging process, rainwater will not enter automobile charging under the action of the wind and receive in the socket of power supply, further ensure
The safety of rainy day charging, the front and back of sliding sleeve 502 is equipped with the block for being limited to limited block 5034, and keeps off
The top of block and the center of fixing axle 5032 are in the same plane.
It is reserved with certain space between seal box 2 and underground tank 3, and is equipped with air hole, seal box at underground tank 3 and earth's surface
2 outside is equipped with cooling fin, and the space between seal box 2 and underground tank 3 cooperates cooling fin after rainy day ponding, effective right
The charging pile body 1 to work in seal box 2 radiates, and avoids charging pile body 1 overheat and electronic component is caused to damage.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations can be carried out to these embodiments in the case where not departing from of the invention separate and spiritual, modification, replace by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of underground AC charging pile for electric vehicle, it is characterised in that: filling in the underground tank (3) including being set to underground
The outside of electric pile body (1) and charging head (5) set on ground, charging pile body (1) is equipped with the seal box being fully sealed
(2), and seal box (2) is set in underground tank (3) completely, and the top of the seal box (2) is equipped with support tube (4), the support
The mounting table (401) for placing charging head (5), the charging pile body (1) and mounting table are fixedly installed at the top of pipe (4)
(401) the electric wire perforating branches stay tube (4) between charging head (5), the charging head (5) are fixedly connected useful far from one end of electric wire
(501) are intubated in the charging in insertion automobile cradle, the charging head (5) is equipped with fills for blocking charging intubation (501)
The rain cover (503) of electric port, and rain cover (503) blocks the charging port of charging intubation (501) completely.
2. one kind according to claim 1 underground AC charging pile for electric vehicle, it is characterised in that: the seal box
(2) installing pipe (101) being located above charging pile body (1) is fixedly connected at the top of, the support tube (4) is solid by screw
Surely it is connected on installing pipe (101), is equipped with package electric wire between the bottom end and charging pile body (1) of the installing pipe (101)
Routing sleeves (102).
3. one kind according to claim 1 underground AC charging pile for electric vehicle, it is characterised in that: the seal box
(2) it is equipped with the siphunculus (201) for being located at charging pile body (1) side at the top of, the diameter of the siphunculus (201) is 50cm-80cm,
The top of the siphunculus (201) extends at ground, and the end sealing of siphunculus (201) has sealing cover (202).
4. one kind according to claim 1 underground AC charging pile for electric vehicle, it is characterised in that: the mounting table
(401) fixation that side is fixedly connected with positioned at charging head (5) periphery is kept off the rain frame (402), and the fixation is kept off the rain frame (402)
Side is equipped with side weather shield (403).
5. one kind according to claim 1 underground AC charging pile for electric vehicle, it is characterised in that: the rain cover
(503) it is fixedly connected in the middle part of front and back interlock plate (5031), two interlock plates (5031) are far from rain cover
(503) one end is movably installed with fixing axle (5032) respectively, one end of two fixing axles (5032) respectively with charging head
(5) front and back is fixedly connected, and is movably installed with torsional spring (5033) on the fixing axle (5032), the torsional spring (5033)
Both ends be fixedly connected respectively with the surface of interlock plate (5031) and charging head (5), the opposite side of two interlock plates (5031)
It is fixedly connected to limited block (5034).
6. one kind according to claim 1 underground AC charging pile for electric vehicle, it is characterised in that: the charging is inserted
It manages (501) and is equipped with transversely movable sliding sleeve (502), the sliding sleeve (502) is close to charging intubation (501) charge port
Side is movably installed with annular sponge body (5021), and the annular sponge body (5021) is located at the internal side of sliding sleeve (502)
It is fixedly connected with the spring (5022) of 12 equidistant arrangements, and the one of each spring (5022) separate annular sponge body (5021)
End is fixedly connected to limit shaft (5023), 12 limit shafts (5023) one end and charging head far from spring (5022)
(5) side is fixedly connected, and limit shaft (5023) and sliding sleeve (502) pivot bush unit.
7. one kind according to claim 6 underground AC charging pile for electric vehicle, it is characterised in that: the sliding sleeve
(502) front and back is equipped with the block for being limited to limited block (5034), and the top of block and fixing axle
(5032) center is in the same plane.
8. one kind according to claim 6 underground AC charging pile for electric vehicle, it is characterised in that: the seal box
(2) it is reserved with certain space between underground tank (3), and is equipped with air hole, the seal box (2) at underground tank (3) and earth's surface
Outside be equipped with cooling fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910572024.7A CN110254274A (en) | 2019-06-28 | 2019-06-28 | A kind of underground AC charging pile for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910572024.7A CN110254274A (en) | 2019-06-28 | 2019-06-28 | A kind of underground AC charging pile for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110254274A true CN110254274A (en) | 2019-09-20 |
Family
ID=67922724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910572024.7A Pending CN110254274A (en) | 2019-06-28 | 2019-06-28 | A kind of underground AC charging pile for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110254274A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848949A (en) * | 2021-03-19 | 2021-05-28 | 江苏明茂新能源科技有限公司 | Fill electric pile and fill protection device of electric pile |
-
2019
- 2019-06-28 CN CN201910572024.7A patent/CN110254274A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848949A (en) * | 2021-03-19 | 2021-05-28 | 江苏明茂新能源科技有限公司 | Fill electric pile and fill protection device of electric pile |
| CN112848949B (en) * | 2021-03-19 | 2021-09-21 | 江苏明茂新能源科技有限公司 | Charging pile |
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