CN110336157A - A kind of waterproof rail electricity getting system - Google Patents
A kind of waterproof rail electricity getting system Download PDFInfo
- Publication number
- CN110336157A CN110336157A CN201910529109.7A CN201910529109A CN110336157A CN 110336157 A CN110336157 A CN 110336157A CN 201910529109 A CN201910529109 A CN 201910529109A CN 110336157 A CN110336157 A CN 110336157A
- Authority
- CN
- China
- Prior art keywords
- encapsulated
- conductive
- electricity getting
- sealing ring
- bar
- 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
- 230000005611 electricity Effects 0.000 title claims abstract description 28
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 44
- 238000005192 partition Methods 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010014357 Electric shock Diseases 0.000 description 1
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/6205—Two-part coupling devices held in engagement by a magnet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
- H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length
- H01R25/142—Their counterparts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
- H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length
- H01R25/145—Details, e.g. end pieces or joints
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The present invention relates to a kind of waterproof rail electricity getting systems, including, bar shaped pedestal, the bar shaped pedestal is equipped with two conductive bars along bar shaped base length direction laid out in parallel；The power taking plug being slidably connected on the bar shaped pedestal and with it is set, and the power taking plug includes taking electrical component, described that electrical component is taken to include two conductive terminals；It is characterized by: described, to take electrical component to be coated with encapsulated, and the free end of the conductive terminal exposes encapsulated outer and respectively corresponds and contacts with conductive bar.It takes electrical component by encapsulated package, there is good waterproof performance, track electricity getting system is enable to be suitable for wet environment, expand the application range of track electricity getting system.
Description
Technical field
The present invention relates to transmission & distribution electro-technical field more particularly to a kind of waterproof rail electricity getting systems.
Background technique
Surface-mount type track electricity getting system is commonly used in the places such as shelf, showcase, and this electricity getting system can be according to using position big
Small adjustment current supply line length, appearance is neat and artistic, and use is very convenient.
But existing surface-mount type track electricity getting system does not carry out waterproofing design, is only used in dry environment, answers
With range by larger limitation, while it being also easy to appear electricity getting system dampness short circuit, is set so as to cause electricity consumptions such as the lamps and lanterns of connection
Standby damage, or even cause Danger Electric shock risk.
Summary of the invention
In view of the above problems, the purpose of the present invention is to provide a kind of track electricity getting systems with good waterproof performance.
To achieve the goals above, the technical solution of the present invention is as follows: a kind of waterproof rail electricity getting system, including,
Bar shaped pedestal, the bar shaped pedestal are equipped with two conductive bars along bar shaped base length direction laid out in parallel；
The power taking plug being slidably connected on the bar shaped pedestal and with it is set, and the power taking plug includes taking electric group
Part, it is described that electrical component is taken to include two conductive terminals；
It is characterized by:
Described to take electrical component to be coated with encapsulated, and the free end of the conductive terminal is exposed encapsulated outer and distinguished with conductive bar
Corresponding contact.
Further, it is described it is encapsulated on be formed with the sealing ring that will expose encapsulated outer conductive terminal part and surround, it is described
The free end face of sealing ring is bonded when conductive terminal is contacted with conductive bar with conductive bar surface.
Further, the sealing ring includes inside and outside two layers, and there are spacing between internal layer sealing ring and outer layer sealing ring.
Further, the free end face of the sealing ring is flushed with the contact surface that conductive terminal is used to contact conductive bar.
Further, described to take electrical component further include the skeleton in encapsulated, and the conductive terminal is fixed on skeleton,
The skeleton is equipped with along the molding partition of conductive bar length direction, and the partition stretches out encapsulated outer and is located at two conductive terminals
Between, the bar shaped pedestal is equipped with the strip groove being embedded in for partition.
Further, the conductive bar is made of ferrous material, and the skeleton is equipped with magnetic posts, and the magnetic posts are stretched out
Encapsulated outer and conductive bar absorption is fixed.
Further, the encapsulated basal plane for forming sealing ring between encapsulated opposite face at a distance from be greater than the magnetic posts
Stretch out encapsulated one end end face between the encapsulated opposite face at a distance from.
Further, the quantity of the magnetic posts is 4 and is separately positioned on the quadrangle of skeleton.
Compared with the prior art, the advantages of the present invention are as follows: the skeleton outer cladding of power taking plug is encapsulated, can be to avoid
Outside moisture enters power taking plug, has good waterproof action, so that this track electricity getting system also can in wet environment
It uses, expands the application range of track electricity getting system；The encapsulated molded sealing ring around conductive terminal, sealing ring is in conducting end
Son can be good at being bonded with conductive bar when contacting conduction with conductive bar, avoids moisture from entering in power taking plug, can be improved and take
The waterproof performance of plug；Sealing ring is set as two layers inside and outside, can play the double-deck waterproof action, further increase power taking plug
Waterproof performance.
Detailed description of the invention
Fig. 1 is track electricity getting system structural schematic diagram of the invention.
Fig. 2 is the configuration schematic diagram of Fig. 1.
Fig. 3 is the structural schematic diagram of power taking plug other direction in Fig. 1.
Fig. 4 is the configuration schematic diagram of Fig. 3.
Fig. 5 is the power taking plug side structure schematic view of Fig. 3.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
If Fig. 1 to 5 show the embodiment of the present invention structural schematic diagram, the waterproof rail electricity getting system, including bar shaped base
Seat 1 and the power taking plug 2 for being arranged on bar shaped pedestal 1 and being slidably connected with it, the bar shaped pedestal 1 are equipped with two along bar shaped
The conductive bar 11 of 1 length direction laid out in parallel of pedestal, described 1 one end of bar shaped pedestal are connected with input lead 3, input lead 3
Positive and negative anodes are connect with two conductive bars 11 respectively, and power taking plug 2 is connected with output lead 4 far from one end of input lead 3；It is described
Power taking plug 2 includes taking electrical component, and described to take electrical component include skeleton 21 and two conductive terminals 22 being fixed on skeleton 21,
The positive and negative anodes of output lead 4 are connect with two conductive terminals 22 respectively, described that electrical component is taken to be coated with encapsulated 23, the conduction
The free end of terminal 22, which is exposed outside encapsulated 23 and respectively corresponded with conductive bar 11, to be contacted.
It, can be by the company of skeleton 21 and output lead 4 and conductive terminal 22 by taking outer cladding encapsulated 23 outside electrical component
It connects position to be enclosed in encapsulated 23, can be avoided outside moisture and enter in power taking plug 2, the track electricity getting system is enable to apply
In wet environment.
It should be noted that the skeleton 21 of power taking plug 2 can be made of hard insulations such as plastics, conductive terminal
22 can be fixed on skeleton 21 by screw or snap fit, and in the present embodiment, in 21 side of skeleton, there are two side by side for molding
Card slot, the card of conductive terminal 22 sets and is fixed in card slot, and the positive and negative anodes of output lead 4 are protruded into skeleton 21 and led by 21 one end of skeleton
The corresponding end of electric terminal 22 connects.
In the present embodiment, the contact surface that the conductive bar 11 contacts conductive terminal is plane, is formed on described encapsulated 23
The sealing ring 231 that the conductive terminal part exposed outside encapsulated 23 is surrounded, the free end face of the sealing ring 231 are plane,
In flat orientation locating for conductive bar 11, the sealing ring 231 is less than conductive bar perpendicular to the width of 11 length direction of conductive bar
Width, the free end face of the sealing ring 231 are bonded when conductive terminal 22 is contacted with conductive bar 11 with 11 surface of conductive bar.It adopts
With this design certain extruding can be formed to sealing ring 231, due to close when power taking plug 2 and 1 contact electricity getting of bar shaped pedestal
Seal 231 have elasticity, sealing ring 231 can be made to fit closely with conductive bar 11, prevent 11 outside moisture of conductive bar from from
Conductive terminal enters in power taking plug 2 at 22 position, and power taking plug 2 is made to have good waterproofness, meanwhile, by sealing ring 231
The end face of free end is set as plane, sealing ring 231 can be made to be bonded with conductive bar 11 even closer, waterproofness is more preferable.
As a preference, as shown in Figs. 3-4, the sealing ring 231 includes inside and outside two layers, internal layer sealing ring and outer layer
There are spacing between sealing ring, can play the double-deck waterproof action in this way, further enhance the waterproofness of power taking plug 2.Certainly,
In actual use, the number of plies of sealing ring 231 can be adjusted according to ambient conditions.In process of production, the height of sealing ring 231
Cannot be too high, because the too high sealing ring 231 when conductive terminal 22 can be made to contact with conductive bar 11 of sealing ring 231 occurs fold and leads
Densification envelope is ineffective, and the height of sealing ring 231 can not be too low because too it is low can prevent sealing ring 231 and conductive bar 11 from
Fit closely, sealing effect is also bad, and based on practical experience, the height of sealing ring 231 is set as, power taking plug 2 not with lead
When electric item 11 matches conjunction electricity, the free end end face of sealing ring 231 and the contact surface for being used to contact conductive bar 11 of conductive terminal 22
Flush, as shown in figure 5, in this way, when conductive terminal 22 and conductive bar 11 contact conduction, the elastic slice of the free end of conductive terminal 22 to
Certain elastic deformation occurs for 2 direction of power taking plug, and sealing ring 231 cooperatively forms certain squeeze by conductive bar 11 and power taking plug 2
Pressure fits closely 231 free end end face of sealing ring with conductive bar 11, has good sealing effect.
In the present embodiment, the skeleton 21 is equipped with along the molding partition 211 of 11 length direction of conductive bar, the partition
211 stretch out outside encapsulated 23 and are located between two conductive terminals 22, and bar shaped pedestal 1 forms strip groove 12 along its length, every
Plate 211 is embedded in strip groove 12.It, can be sliding along bar shaped pedestal 1 in power taking plug 2 by the cooperation of partition 211 and strip groove
It is oriented to when dynamic, avoids the offset of power taking plug 2 from disengaging conductive terminal 22 and conductive bar 11, increase takes electric reliability.
Certain partition 211 can also be formed by encapsulated 23 straight forming.
In the present embodiment, the conductive bar 11 is made of ferrous material, and fixation hole 212, fixation hole are formed on skeleton 21
Magnetic posts 24 are fixed in 212, the magnetic posts 24 stretch out the encapsulated 23 outer and absorption fixations of conductive bar 11.Using irony conductive bar
The 11 fixed power taking plugs 2 of mode cooperated with magnetic posts 24, structure is very simple, and operation is very easy.
As a preference, as shown in figure 5, the basal plane 232 of encapsulated 23 molded sealing ring 231 with encapsulated 23 it is opposite
What distance D between face was greater than the magnetic posts 24 stretches out the encapsulated 23 end face distance d between encapsulated 23 opposite face, adopts
With this design, magnetic posts 24 will not be contacted directly with conductive bar 11, and be fixed by magnetic-adsorption, on the one hand be convenient for taking in this way
2 facing conductive item 11 of plug is slided, and on the other hand, can make to seal to sealing ring 231 is formed certain extruding force
Circle 231 is preferably bonded with conductive bar 11.
Certainly, power taking plug 2 and the slip connection mode of conductive bar 11 may also be configured to other forms, such as in bar shaped base
Sliding slot is arranged in 1 two sides of seat, and power taking plug 2 is fastened in sliding slot, can also realize that 2 facing conductive item 11 of power taking plug is slided
It is dynamic.
In the present embodiment, the quantity of the magnetic posts 24 is 4 and is respectively arranged at the quadrangle of skeleton 21, i.e., each conduction
Terminal 22, which is respectively arranged with 1 magnetic posts 24 in this way along the two sides of 11 length direction of conductive bar, can make around conductive terminal 22
The extruding force that sealing ring 231 is subject to is more uniform, so that sealing ring 231 be made preferably to be bonded with conductive bar 11.
Although an embodiment of the present invention has been shown and described, it will be appreciated by those skilled in the art that: do not departing from this
These embodiments can be carried out with a variety of variations, modification, replacement and deformation in the case where the principle and objective of invention, it is of the invention
Range is defined by the claims and their equivalents.
Claims (8)
1. a kind of waterproof rail electricity getting system, including,
Bar shaped pedestal (1), the bar shaped pedestal (1) are equipped with two conductions along bar shaped pedestal (1) length direction laid out in parallel
Item (11)；
The power taking plug (2) for being arranged on the bar shaped pedestal (1) and being slidably connected with it, the power taking plug (2) include taking
Electrical component, it is described that electrical component is taken to include two conductive terminals (22)；
It is characterized by:
It is described that electrical component is taken to be coated with encapsulated (23), the free end of the conductive terminal (22) expose encapsulated (23) outside and with lead
Electric item (11) respectively corresponds contact.
2. waterproof rail electricity getting system according to claim 1, it is characterised in that:
The sealing ring (231) that will expose the conductive terminal (22) of encapsulated (23) outside and partially surround is formed on encapsulated (23),
The free end face of the sealing ring (231) is pasted when conductive terminal (22) and conductive bar (11) are contacted with conductive bar (11) surface
It closes.
3. waterproof rail electricity getting system according to claim 2, it is characterised in that:
The sealing ring (231) includes inside and outside two layers, and there are spacing between internal layer sealing ring and outer layer sealing ring.
4. the waterproof rail electricity getting system according to Claims 2 or 3, it is characterised in that:
The free end end face of the sealing ring (231) is flushed with the contact surface that conductive terminal (22) are used to contact conductive bar (11).
5. waterproof rail electricity getting system according to claim 1, it is characterised in that:
Described to take electrical component further include the skeleton (21) in encapsulated (23), and the conductive terminal (22) is fixed on skeleton (21)
On, the skeleton (21) is equipped with along the molding partition of conductive bar (11) length direction (211), and the partition (211) stretches out packet
For glue (23) outside and between two conductive terminals (22), the bar shaped pedestal (1) is equipped with the item being embedded in for partition (211)
Shape slot (12).
6. waterproof rail electricity getting system according to claim 4, it is characterised in that:
The conductive bar (11) is made of ferrous material, and the skeleton (21) is equipped with magnetic posts (24), the magnetic posts (24)
It stretches out encapsulated (23) and adsorbs fixation with conductive bar (11) outside.
7. waterproof rail electricity getting system according to claim 6, it is characterised in that:
Encapsulated (23) form the basal planes (232) of sealing ring (231) between encapsulated opposite face (233) at a distance from (D) be greater than
The end face of the stretching encapsulated (23) of the magnetic posts (24) between the encapsulated opposite face (233) at a distance from (d).
8. waterproof rail electricity getting system according to claim 7, it is characterised in that:
The quantity of the magnetic posts (24) is 4 and is separately positioned on the quadrangle of skeleton (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910529109.7A CN110336157A (en) | 2019-06-18 | 2019-06-18 | A kind of waterproof rail electricity getting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910529109.7A CN110336157A (en) | 2019-06-18 | 2019-06-18 | A kind of waterproof rail electricity getting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110336157A true CN110336157A (en) | 2019-10-15 |
Family
ID=68142459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910529109.7A Pending CN110336157A (en) | 2019-06-18 | 2019-06-18 | A kind of waterproof rail electricity getting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110336157A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060223361A1 (en) * | 2003-02-10 | 2006-10-05 | Michael Hoppach | Connecting arangement and production method for a connecting arrangement |
| CN203589094U (en) * | 2013-11-11 | 2014-05-07 | 上海中科力帆电动汽车有限公司 | Double-ring sealing ring for electric automobile battery pack |
| CN205882289U (en) * | 2016-08-10 | 2017-01-11 | 黄炳金 | Waterproof sealing circle between domestic appliance power cord plug and socket |
| CN109167224A (en) * | 2018-08-28 | 2019-01-08 | 赛尔富电子有限公司 | A kind of shelf electricity getting system |
| CN109556096A (en) * | 2018-12-26 | 2019-04-02 | 赛尔富电子有限公司 | A kind of surface-mount type shelf electricity getting system |
| CN210806145U (en) * | 2019-06-18 | 2020-06-19 | 赛尔富电子有限公司 | Waterproof track power taking system |
-
2019
- 2019-06-18 CN CN201910529109.7A patent/CN110336157A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060223361A1 (en) * | 2003-02-10 | 2006-10-05 | Michael Hoppach | Connecting arangement and production method for a connecting arrangement |
| CN203589094U (en) * | 2013-11-11 | 2014-05-07 | 上海中科力帆电动汽车有限公司 | Double-ring sealing ring for electric automobile battery pack |
| CN205882289U (en) * | 2016-08-10 | 2017-01-11 | 黄炳金 | Waterproof sealing circle between domestic appliance power cord plug and socket |
| CN109167224A (en) * | 2018-08-28 | 2019-01-08 | 赛尔富电子有限公司 | A kind of shelf electricity getting system |
| CN109556096A (en) * | 2018-12-26 | 2019-04-02 | 赛尔富电子有限公司 | A kind of surface-mount type shelf electricity getting system |
| CN210806145U (en) * | 2019-06-18 | 2020-06-19 | 赛尔富电子有限公司 | Waterproof track power taking system |
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