CN112046322A - Outdoor alternating-current charging stake casing and fill electric pile - Google Patents
Outdoor alternating-current charging stake casing and fill electric pile Download PDFInfo
- Publication number
- CN112046322A CN112046322A CN202011016541.5A CN202011016541A CN112046322A CN 112046322 A CN112046322 A CN 112046322A CN 202011016541 A CN202011016541 A CN 202011016541A CN 112046322 A CN112046322 A CN 112046322A
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- Prior art keywords
- shell
- outdoor
- lower cover
- charging pile
- casing
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
An outdoor alternating-current charging pile shell and a charging pile are disclosed, wherein the charging pile shell comprises an upper shell, a lower shell and a wall hanging piece; the upper shell and the lower shell are detachably and fixedly connected; the wall hanging piece is L-shaped and is in buckle connection with the lower shell, and a mounting hole is formed in the bottom of the wall hanging piece and is fixedly connected with the bottom of the lower shell. This fill electric pile includes foretell outdoor alternating-current charging stake casing. The outdoor alternating-current charging pile shell and the charging pile provided by the invention have the characteristics of convenience in wiring maintenance, simplicity in installation, good sealing performance and the like, and the popularization and application of the charging pile are promoted.
Description
Technical Field
The invention relates to the technical field of charging facilities, in particular to an outdoor alternating-current charging pile shell and a charging pile.
Background
At present, the popularization speed of charging piles of new energy vehicles is greatly increased, the charging infrastructure construction follows the principle that 'slow charging is main and fast charging is auxiliary', the charging pile type proportion is adjusted, the proportion of slow charging alternating current charging piles is gradually increased to more than 80%, and the fast charging piles are only used for emergency power supply of special applications such as public transportation and logistics and scenes such as highways.
Alternating current stake is unfavorable for the popularization in civilian market because reasons such as product structure size is big, the installation is complicated, the network deployment mode is single in the existing market, and relative direct current battery charging outfit, the market share of alternating current battery charging outfit is laggard far behind. Therefore, the alternating current pile shell is convenient to install, simple to maintain and high in protection level, and aims to meet the construction requirements of large-scale charging of future household electric vehicles, reducing the social investment and improving the intelligent and convenient charging experience of users.
Disclosure of Invention
The invention aims to provide an outdoor alternating-current charging pile shell and a charging pile, which are convenient to install, simple to maintain and high in protection level, aiming at the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides an outdoor alternating-current charging pile shell, which comprises an upper shell, a lower shell and a wall hanging piece, wherein the wall hanging piece is arranged on the upper shell;
the upper shell and the lower shell are detachably and fixedly connected;
the wall pendant is L-shaped and is connected with the lower shell in a buckling manner, and the bottom of the wall pendant is provided with a mounting hole to be fixedly connected with the bottom of the lower shell.
Further, the upper shell comprises an upper cover plate and a lamp strip light guide plate, the upper cover plate and the lamp strip light guide plate are fixedly connected in a buckling mode, and a connected contact surface is sealed through a sealing strip arranged in a groove of the upper cover plate.
Further, be provided with the strengthening rib that extends inwards on the upper cover plate, the strengthening rib both ends are provided with and break open structure, and the terminal surface that breaks open structure is chamfer inclined plane structure for the buckle is connected the lamp area light guide plate.
Furthermore, a plurality of nut columns are arranged on the periphery of the inner side of the upper cover plate, and reinforcing ribs are arranged on the outer sides of the nut columns;
the upper cover plate and the mounting surface of the lower shell are L-shaped steps, and a plurality of guide limiting buckles are arranged on the inner sides of the step surfaces.
Further, the lower housing includes a lower cover and a maintenance side plate;
the lower cover is provided with an independent cavity, and the top and the bottom of the lower cover are respectively provided with an inlet wire hole and an outlet wire hole; the mounting surface of the lower cover is provided with a groove for accommodating a sealing strip so as to form sealing between the lower cover and the upper cover plate of the upper shell;
the maintenance side plate is provided with an incoming line maintenance space, boss structures are arranged at four corners of the space, and nuts are embedded in the boss structures; the inlet wire is maintained and is provided with groove structure all around for embedded sealing strip.
Furthermore, a plurality of mounting bosses protruding from the inner side are arranged on the periphery inside the lower cover, and the mounting bosses are connected with the lower cover through reinforcing ribs.
Furthermore, the back of the lower cover is provided with a convex clamping groove, the lower part of the lower cover is opened to form a step surface, and two sides of the lower cover are provided with inclined reinforcing ribs for connecting the wall hanging piece through a buckle.
Further, the mounting surface of the lower cover is provided with an L-shaped step surface which is complementary with the upper cover, and the groove is arranged in the middle of the mounting surface to accommodate the sealing strip.
Furthermore, a convex clamping tongue is arranged at the upper part of the wall hanging piece and is connected with a convex clamping groove at the back of the lower cover in a buckling manner; the side surfaces of two sides of the clamping tongue are arranged to have a certain inclination, and the end surfaces are arranged to be arc-shaped structures.
Furthermore, a plurality of reinforcing ribs in a vertical and horizontal mode are arranged on the inner surface of the upper shell, and/or reinforcing ribs in a vertical and horizontal mode are arranged on two sides of the wall hanging piece, so that strength is improved.
A second aspect of the invention provides an outdoor ac charging post comprising an outdoor ac charging post housing as described above.
In summary, the invention provides an outdoor alternating-current charging pile shell and a charging pile, wherein the charging pile shell comprises an upper shell, a lower shell and a wall hanging piece; the upper shell and the lower shell are detachably and fixedly connected; the wall hanging piece is L-shaped and is in buckle connection with the lower shell, and a mounting hole is formed in the bottom of the wall hanging piece and is fixedly connected with the bottom of the lower shell. This fill electric pile includes foretell outdoor alternating-current charging stake casing. The outdoor alternating-current charging pile shell and the charging pile provided by the invention have the characteristics of convenience in wiring maintenance, simplicity in installation, good sealing performance and the like, and the popularization and application of the charging pile are promoted.
Drawings
Fig. 1 is a rear view of an outdoor ac charging post housing according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of an upper cover of an outdoor ac charging pile casing according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a lower cover of an outdoor ac charging pile casing according to an embodiment of the present invention;
fig. 4 is a schematic bottom view of an outdoor ac charging pile casing according to an embodiment of the present invention;
fig. 5 is a rear view of a lower cover of an outdoor ac charging post housing according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a wall hanging member of an outdoor ac charging pile casing according to an embodiment of the present invention;
fig. 7 is a sectional view of a lamp panel buckle of an outdoor ac charging pile casing according to an embodiment of the present invention;
fig. 8 is a sectional view of a sealing structure at a joint of upper and lower covers of a housing of an outdoor ac charging pile according to an embodiment of the present invention;
fig. 9 is a schematic view of a light strip light guide plate structure of an outdoor ac charging pile casing according to an embodiment of the present invention.
Reference numerals: 1. an upper housing; 11. an upper cover plate; 12. a light guide plate; 13. reinforcing ribs; 14. breaking the open structure; 15. a nut post; 16. reinforcing ribs; 17. a guide limit buckle; 2. a lower housing; 21. a lower cover; 22. maintaining the side plate; 23. a wire inlet hole; 24. a wire outlet hole; 25. a groove; 26. a boss structure; 27. a groove structure; 28. mounting a boss; 281. reinforcing ribs; 29. a protruding clamping groove; 3. a wall hanging piece; 31. a latch; 32. and (7) installing holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 to 9, a novel outdoor ac pile casing comprises an upper casing 1, a lower casing 2 and a wall hanging piece 3, wherein the upper casing 1 and the lower casing 2 are detachably and fixedly connected; the wall hanging piece 3 is L-shaped and is connected with the lower shell 2 in a buckling mode, and a mounting hole is formed in the bottom of the wall hanging piece 3 to be fixedly connected with the bottom of the lower shell 2.
As shown in fig. 2, the upper housing 1 includes an upper cover plate 11 and a light strip light guide plate 12, the upper cover plate 11 and the light strip light guide plate 12 are fixedly connected in a snap-fit manner, and a contact surface of the connection is sealed by a sealing strip disposed in a groove of the upper cover plate 11. Specifically, go up 1 inside of casing and be provided with a plurality of nut post 15 all around, the nut post 15 outside sets up the strengthening rib and improves intensity, and the nut is inlayed in boss internally mounted and is used for fixing with 2 installations of casing down. The internal surface of the upper shell 1 is provided with a plurality of longitudinal and transverse reinforcing ribs to ensure the integral strength. The 11 pilot lamps of upper cover plate adopt rectangular shape lamp area to set up, and upper cover plate 11 sets up the strengthening rib 13 of round inward extension, and both ends setting about strengthening rib 13 breaks open structure 14, and the terminal surface is chamfer inclined plane structure for the buckle is connected lamp area light guide plate 12, this mode of setting do benefit to the light guide plate when the card is gone into, and the bayonet socket part has the certain deformation volume light guide plate card of being convenient for to go into. A circle of concave structure is arranged on the mounting surface of the upper cover plate 11 and the light guide plate, and a high-elasticity sealing strip is embedded to achieve the sealing effect. The light guide plate adopts transparent material, and its inboard adopts dull polish to handle, and the outside can't see inboard lamp pearl when having guaranteed the leaded light effect. The installation end face of the upper shell 1 is of an L-shaped step structure, the step face is provided with a groove matched with the lower shell 2, the periphery of the end face is respectively provided with a guide limiting buckle 17, and smooth and fast installation of the upper cover 21 and the lower cover is guaranteed.
As shown in fig. 3 and 4, the lower case 2 includes a lower cover 21 and a maintenance side plate 22; the lower cover 21 is provided with an independent cavity, and the advantage of the independent cavity is that the whole machine does not need to be disassembled and assembled during field installation and wiring and maintenance, the wiring is convenient and fast, the maintenance is simple, and meanwhile, the sealing effect of the whole machine is prevented from being damaged due to repeated disassembly and assembly of the upper cover 21 and the lower cover 21 is avoided. The top and the bottom of the lower cover 21 are respectively provided with a wire inlet hole 23 and a wire outlet hole 24; the mounting surface of the lower cover 21 is provided with a groove 25 for accommodating a sealing strip so as to form a seal between the lower cover 21 and the upper cover plate 11 of the upper shell 1; the maintenance side plate 22 is provided with an incoming line maintenance space, boss structures 26 are arranged at four corners of the space, and nuts are embedded in the boss structures; the inlet wire is maintained and is provided with groove structure 27 all around for embedded sealing strip.
Specifically, lower casing 2 wholly divide into two independent space settings, and the left side is the inlet wire and maintains the space, and all the other are interior device installation spaces, the inlet wire is maintained the space four corners and is set up boss structure 26, and embedded nut wholly sinks the take the altitude, and the terminal surface sets up the embedded high elasticity sealing strip of groove structure 27 all around, realizes sealed effect through maintaining the locking of apron screw. The advantage that the space is maintained to the independent inlet wire that sets up is that on-the-spot installation wiring and need not the dismouting complete machine during maintenance only to open the side and maintain the apron can, the wiring is convenient, maintain simple and also avoided also because of the sealed effect of upper and lower casing 2 of lid 21 destruction about the dismouting repeatedly. Lower casing 2 sets up a plurality of built-in installation bosss 28 all around, and the back is hollowed the setting and is used for with last casing 1 installation fixed, and in order to improve intensity, the boss passes through strengthening rib 281 with 2 lateral walls of lower casing to be connected, and the benefit of setting up built-in installation boss 28 is that the installation of upper and lower casing 2 is from the back installation, and the screw is located the boss inboard, reaches the effect that can't see any screw from the outside to the whole pleasing to the eye effect has been promoted. As shown in fig. 8, the mounting end face of the lower casing 2 is provided with an L-shaped step face complementary to the upper casing 1, and a groove structure 27 is provided on the end face to embed a high-elasticity sealing strip to achieve a sealing effect. As shown in fig. 5, the back of the lower casing 2 is provided with two convex reinforcing structures, specifically convex slots 29, the lower part of the lower casing is opened to form a step surface, and two sides of the opening are provided with reinforcing ribs with certain inclination for guiding and connecting the wall hanging member 3 in a snap fit manner.
As shown in fig. 6, the whole wall hanging member 3 is of an L-shaped structure, and two protruding locking tongues 31 are arranged on the upper part of the vertical surface of the wall hanging member to be connected with the protruding locking grooves 29 on the back of the lower cover 21 in a snap-fit manner; the left side surface and the right side surface of the clamping tongue 31 are provided with a certain inclination, and the end surfaces are provided with arc structures. 3 bottoms of wall-hanging parts are provided with mounting hole 33 and are used for with 2 bottoms of lower casing fixed, 3 both sides of wall-hanging parts set up vertical and horizontal strengthening rib and improve bulk strength, and 3 facades of wall-hanging parts set up mounting hole 33 and are used for fixed with wall body or stand, the fixed of wall-hanging parts 3 and pile body is accomplished through two direction block tongues 31 and anti-theft screw in bottom, has abandoned current mode of fix with screw, and simple to operate is swift, effectively reduces the site operation and the after-sales maintenance degree of difficulty.
Furthermore, a plurality of longitudinal and transverse reinforcing ribs are arranged on the inner surface of the upper shell 1, and/or longitudinal and transverse reinforcing ribs are arranged on two sides of the wall hanging piece 3, so that the strength is improved.
A second aspect of the invention provides an outdoor ac charging post comprising an outdoor ac charging post housing as described above.
In summary, the invention provides an outdoor alternating-current charging pile shell and a charging pile, wherein the charging pile shell comprises an upper shell, a lower shell and a wall hanging piece; the upper shell and the lower shell are detachably and fixedly connected; the wall hanging piece is L-shaped and is in buckle connection with the lower shell, and a mounting hole is formed in the bottom of the wall hanging piece and is fixedly connected with the bottom of the lower shell. This fill electric pile includes foretell outdoor alternating-current charging stake casing. The outdoor alternating-current charging pile shell and the charging pile provided by the invention have the characteristics of convenience in wiring maintenance, simplicity in installation, good sealing performance and the like, and the popularization and application of the charging pile are promoted.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. An outdoor alternating-current charging pile shell is characterized by comprising an upper shell, a lower shell and a wall hanging piece;
the upper shell and the lower shell are detachably and fixedly connected;
the wall pendant is L-shaped and is connected with the lower shell in a buckling manner, and the bottom of the wall pendant is provided with a mounting hole to be fixedly connected with the bottom of the lower shell.
2. The outdoor AC charging post casing of claim 1, wherein the upper casing comprises an upper cover plate and a light strip light guide plate, the upper cover plate and the light strip light guide plate are fixedly connected in a buckling manner, and a connected contact surface is sealed by a sealing strip arranged in a groove of the upper cover plate.
3. The outdoor alternating-current charging pile shell according to claim 2, wherein the upper cover plate is provided with reinforcing ribs extending inwards, breaking opening structures are arranged at two ends of each reinforcing rib, and end faces of the breaking opening structures are of chamfer slope structures and used for being connected with the lamp strip light guide plate in a buckling mode.
4. The outdoor alternating-current charging pile shell according to claim 2, wherein a plurality of nut columns are arranged on the periphery of the inner side of the upper cover plate, and reinforcing ribs are arranged on the outer sides of the nut columns;
the upper cover plate and the mounting surface of the lower shell are L-shaped steps, and a plurality of guide limiting buckles are arranged on the inner sides of the step surfaces.
5. The outdoor AC charging post casing of any one of claims 1 to 4, wherein said lower casing includes a lower cover and a maintenance side plate;
the lower cover is provided with an independent cavity, and the top and the bottom of the lower cover are respectively provided with an inlet wire hole and an outlet wire hole; the mounting surface of the lower cover is provided with a groove for accommodating a sealing strip so as to form sealing between the lower cover and the upper cover plate of the upper shell;
the maintenance side plate is provided with an incoming line maintenance space, boss structures are arranged at four corners of the space, and nuts are embedded in the boss structures; the inlet wire is maintained and is provided with groove structure all around for embedded sealing strip.
6. The outdoor alternating-current charging pile shell according to claim 5, wherein a plurality of mounting bosses protruding inwards are arranged on the periphery inside the lower cover, and the mounting bosses are connected with the lower cover through reinforcing ribs.
7. The outdoor AC charging pile shell as recited in claim 6, wherein the back of the lower cover is provided with a convex clamping groove, the lower part of the lower cover is opened to form a step surface, and the two sides of the lower cover are provided with inclined reinforcing ribs for being buckled with the wall hanging piece.
8. The outdoor AC charging post casing of claim 5, wherein the mounting surface of the lower cover is configured as an L-shaped step surface complementary to the upper cover, and the groove is arranged in the middle of the mounting surface to accommodate the sealing strip.
9. The outdoor AC charging post shell as recited in claim 7, wherein, a convex clamping tongue is arranged at the upper part of the wall hanging piece to be in snap-fit connection with the convex clamping groove at the back part of the lower cover; the side surfaces of two sides of the clamping tongue are arranged to have a certain inclination, and the end surfaces are arranged to be arc-shaped structures.
10. An outdoor AC charging post, characterized in that it comprises an outdoor AC charging post casing according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011016541.5A CN112046322A (en) | 2020-09-24 | 2020-09-24 | Outdoor alternating-current charging stake casing and fill electric pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011016541.5A CN112046322A (en) | 2020-09-24 | 2020-09-24 | Outdoor alternating-current charging stake casing and fill electric pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112046322A true CN112046322A (en) | 2020-12-08 |
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ID=73603890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011016541.5A Pending CN112046322A (en) | 2020-09-24 | 2020-09-24 | Outdoor alternating-current charging stake casing and fill electric pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112046322A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205595845U (en) * | 2016-04-19 | 2016-09-21 | 浙江硕维新能源技术有限公司 | Flip formula hanging fills electric pile |
| CN106848715A (en) * | 2017-02-27 | 2017-06-13 | 武汉浩宏科技有限公司 | Wall-mounted charging pile |
| CN106882067A (en) * | 2017-02-27 | 2017-06-23 | 武汉浩宏科技有限公司 | Column charging pile |
| CN208149099U (en) * | 2018-01-10 | 2018-11-27 | 青岛昌盛东方低碳科技有限公司 | One kind can wall hanging, alternating-current charging pile can be landed |
| CN209096510U (en) * | 2018-09-19 | 2019-07-12 | 广东兴国新能源科技有限公司 | A kind of column charging pile |
-
2020
- 2020-09-24 CN CN202011016541.5A patent/CN112046322A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205595845U (en) * | 2016-04-19 | 2016-09-21 | 浙江硕维新能源技术有限公司 | Flip formula hanging fills electric pile |
| CN106848715A (en) * | 2017-02-27 | 2017-06-13 | 武汉浩宏科技有限公司 | Wall-mounted charging pile |
| CN106882067A (en) * | 2017-02-27 | 2017-06-23 | 武汉浩宏科技有限公司 | Column charging pile |
| CN208149099U (en) * | 2018-01-10 | 2018-11-27 | 青岛昌盛东方低碳科技有限公司 | One kind can wall hanging, alternating-current charging pile can be landed |
| CN209096510U (en) * | 2018-09-19 | 2019-07-12 | 广东兴国新能源科技有限公司 | A kind of column charging pile |
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Application publication date: 20201208 |
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| RJ01 | Rejection of invention patent application after publication |