CN108832343A - Charging unit - Google Patents
Charging unit Download PDFInfo
- Publication number
- CN108832343A CN108832343A CN201810836020.0A CN201810836020A CN108832343A CN 108832343 A CN108832343 A CN 108832343A CN 201810836020 A CN201810836020 A CN 201810836020A CN 108832343 A CN108832343 A CN 108832343A
- Authority
- CN
- China
- Prior art keywords
- pole piece
- charging unit
- pole
- jack
- contact
- 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
-
- 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
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/71—Contact members of coupling parts operating as switch, e.g. linear or rotational movement required after mechanical engagement of coupling part to establish electrical connection
-
- 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
- H01R13/5213—Covers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The present invention relates to charging units, the charging unit ontology including being equipped with cavity；Cavity side is equipped with sealing plate；The first pole piece and the second pole piece are set in cavity；Charging unit ontology forms jack, is equipped with protective cap at jack openings；Pole stick is set in jack；First pole piece is equipped with the first pole piece contact, second pole piece is equipped with the second pole piece contact, first pole piece contact and the second pole piece contact are set in charging unit ontology, and the first pole piece is formed to the curved crook of pole stick setting direction, and elastic device is equipped between the first pole piece contact and crook；Elastic device one end is connected to the first pole piece, and the other end is connected to sealing plate.The charging unit passes through setting protective cap; it can be by pole stick effective protection in protective cap; avoid pole stick is exposed under not charged state from adsorbing dust in air; when needing to charge; protective cap need to only be pushed aside; plug insertion jack, which is connected on the stick of pole, can be realized charging, be capable of the service life and using effect of effective protection charging unit.
Description
Technical field
The present invention relates to circuit connection technical fields, specifically charging unit.
Background technique
On the product with rechargeable battery such as perambulator or small household appliances, in order to guarantee the safety in charging process,
Battery will be disconnected with electrical appliances such as internal motors when charging, and electrical appliance is otherwise be easy to cause the security risks such as to burn, existing
Some charging units are equipped with a pole stick in the jack of charging unit ontology, and pole piece is equipped with above jack, is set below jack
There is the top flat of insulation, two pole pieces are additionally provided in the charging unit ontology of jack lower part, two pole pieces are coupled with motor internal
An electrode and rechargeable battery an electrode, when have plug insertion charging unit charged when, plug insertion after can make
Insulation spacer moves downward, and increases the distance between following two pole piece, so that separating two pole pieces does not generate contact, into
And disconnect motor internal with rechargeable battery, such design is so that will be there are four motor on plug, and the top insulated
Piece generally makes to be made of plastic, easy to wear, so that the entire charging unit service life is shorter.
In order to solve the above-mentioned technical problem, Patent No. CN201639011U, patent name are in a kind of charging socket
State's utility model patent discloses a kind of charging socket, including jack body, and the jack body is equipped with jack, described to insert
It is equipped with pole stick in hole, is additionally provided with cavity on the jack body, the cavity is communicated with jack, is equipped with respectively in the cavity
First pole piece, the second pole piece, second pole piece are arranged between the first pole piece and jack, the top of second pole piece and the
The middle part of one pole piece contacts, and the front of first pole piece is hook-type, and the bottom of the first pole piece hook-type is located in jack, institute
It states between at the top of the first pole piece front and cavity and is equipped with elastic device, by the way that the pole piece on socket is reduced to three, save
Material, the pole piece using metal manufacture have good wearability, extend the service life of socket, solve above-mentioned technology and ask
Topic.
It is easy to absorption dust but due to protective device not set at jack, on the pole stick in jack, accumulates over a long period and fills
Electrical interface charge contact position will lead to poor contact, to the phenomenon that can not charging occur, influence the service life of product with
Using effect.
Summary of the invention
The present invention is to provide charging unit to overcome above-mentioned defect in the prior art, and the charging unit structure is skilful
It is wonderful, it can effectively avoid inserting hole inside ash, guarantee the charging effect and service life of the perambulator charging hole, be conducive to the perambulator and fill
It promotes and applies in the market in electric hole.
In order to achieve the above-mentioned object of the invention, the present invention uses following technical scheme：Charging unit, including charging unit sheet
Body；The charging unit ontology is equipped with cavity, and charging unit ontology side is equipped with sealing plate, and the sealing plate is installed on described fill
Electric installation ontology；The first pole piece and the second pole piece are set in the cavity, first pole piece and the second pole piece all extend to described
Charging unit sheet is external and is parallel to each other between the first pole piece and the second pole piece of exposed parts；The charging unit ontology is formed
Jack is equipped with protective cap at the jack openings；Pole stick is set in the jack；Pole stick one end extends to the charging unit
This is external, is set in the jack in the other end；First pole piece is equipped with the first pole piece contact, corresponding second pole piece
Equipped with the second pole piece contact, first pole piece contact and the second pole piece contact are set in the charging unit ontology, described
First pole piece is formed to the curved crook of pole stick setting direction, is set between first pole piece contact and the crook
Flexible device；Described elastic device one end is connected to the first pole piece, and the other end is connected to sealing plate.
As a preferred solution of the present invention, the sealing plate is removably mounted to the charging unit ontology.
As a preferred solution of the present invention, the sealing plate forms fin, and the charging unit ontology forms groove, institute
Fin is stated to be adapted with the groove.
As a preferred solution of the present invention, the fin and groove are in bar shaped.
As a preferred solution of the present invention, the elastic device is spring, and the sealing plate forms columnar convex
It rises, spring one end is connected to the first pole piece, and the other end is set in outside positioning protrusion.
As a preferred solution of the present invention, the protective cap is removably mounted at the jack openings.
As a preferred solution of the present invention, the protective cap includes ceiling plate portion and insertion part, and the insertion part is embedded
In in the jack.
As a preferred solution of the present invention, the ceiling plate portion and insertion part are integrally formed.
As a preferred solution of the present invention, the protective cap is made of elastic rubber material.
As a preferred solution of the present invention, first pole piece contact and the second pole piece contact are silver contact.
Compared with prior art, the beneficial effects of the invention are as follows：Charging unit of the invention is protected by being arranged at jack
Helmet can avoid pole stick is exposed under not charged state from adsorbing dust in air, need by pole stick effective protection in protective cap
When charging, protective cap need to only be pushed aside, plug insertion jack, which is connected on the stick of pole, can be realized charging, being capable of effective protection
The service life and using effect of the perambulator charging hole are conducive to charging unit and promote and apply in the market.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of charging unit in embodiment；
Fig. 2 is the structure sectional view of charging unit in embodiment；
Fig. 3 is the structural schematic diagram of charging unit ontology in embodiment charging unit；
Fig. 4 is the structural schematic diagram of sealing plate in embodiment charging unit.
Appended drawing reference：1, charging unit ontology；11, cavity；12, jack；13, groove；2, the first pole piece；21, crook；
3, the second pole piece；4, pole stick；5, the first pole piece contact；6, the second pole piece contact；7, elastic device；8, protective cap；81, cover board
Portion；82, insertion part；9, sealing plate；91, positioning protrusion；92, fin.
Specific embodiment
It elaborates with reference to the accompanying drawing to the embodiment of the present invention.
Embodiment：As shown in Figures 1 to 4, charging unit, including charging unit ontology 1 are formed on charging unit ontology 1
For the cavity 11 that other charging unit components are placed, the first pole piece 2 and the second pole piece 3, the first pole piece 2 are equipped in cavity 11
Above-mentioned charging unit ontology 1 is all extended to outside and phase between the first pole piece 2 and the second pole piece 3 of exposed parts with the second pole piece 3
It is mutually parallel, it is connect on the first pole piece 2 and the second pole piece 3 convenient for wiring, and phase mutual friction between wiring and wiring is avoided to cause to grind
Damage.
Jack 12 is formed on above-mentioned charging unit ontology 1, pole stick 4 is set in jack 12, and rechargeable battery and motor share
One electrode, all connects on pole stick 4, another electrode of rechargeable battery is connected with the first pole piece 2, another electrode of motor with
Second pole piece 3 is connected, and connect for the ease of rechargeable battery with motor with pole stick 4, stick 4 one end in pole extends to above-mentioned charging unit sheet
It outside body 1, convenient for the coiling of connecting line, is located in the other end of pole stick 4 in jack 12, on the one hand stick 4 end in pole is protected not damaged
Bad, another aspect jack 12 is in borehole structure, plays certain guiding role, is capable of the grafting of convenient plug, plug is effectively ensured
With the structural strength of 4 junction of pole stick.
First pole piece 2 is equipped with the first pole piece contact 5, and corresponding second pole piece 3 is equipped with the second pole piece contact 6, charging
When battery is not under charged state, the first pole piece contact 5 is touched with the second pole piece contact 6, is powered by rechargeable battery to motor,
To guarantee the normal operation of product.
In order to guarantee the electric conductivity of 3 contact position of the first pole piece 2 and the second pole piece, avoid the factors such as extraneous dust to the first pole
Piece contact 5 is impacted with the second pole piece contact 6, and the first pole piece contact 5 and the second pole piece contact 6 are arranged at charging unit sheet
Inside body 1.
First pole piece contact 5 and the second pole piece contact 6 are silver contact, and silver contact refers to the disconnection of electronic apparatus extensively
When with closure, the intersection point for being separated from each other and being contacted, the moment due to metallic conductor terminal in contact is easy to produce moment
Fever and spark, promote its contact point during the multi-frequency used, are easy to produce oxidation and electrolysis, so by its contact point
It increases and thickeies, or high-molecule metal is used to manufacture (being more with copper and money kind material), then, just by this with high score interest
Contact point made of category, or the point thickeied is increased with same material and is known as silver contact, silver contact increases using frequently for conductor
Rate increases contact effect, enhances the performance of conductor, silver contact can with material have silver, copper, iron, aluminium etc., generally need
Its is silver-plated, to reinforce its conductive effect and prevent from aoxidizing, the first pole piece contact 5 and the second pole piece contact in the present embodiment
6 be copper product, and made of its electroplate, with 6 phase of the first pole piece contact 5 and the second pole piece contact made of fine silver
Than, cost is relatively low, and then makes the charging unit low manufacture cost, and be conducive to the charging unit and promote and apply in the market,
And copper product is same conductive excellent, it is wear-resistant the advantages that.
When plug insertion jack is charged, in order to guarantee charging safety, in charging, rechargeable battery will be with inside
The electrical appliances such as motor disconnect, i.e. mutually disconnect between the first pole piece contact 5 and the second pole piece contact 6, otherwise easily cause use
Electric appliance the security risks such as burns and first pole piece 2 is arranged for the ease of separating the first pole piece contact 5 with the second pole piece contact 6
At the structure type with crook 21, which has a protrusion in arc line type, and protrusion is to 4 setting direction of pole stick
Bending, when plug insertion jack is connected on pole stick 4, plug, which is connected at protrusion, makes the first pole piece contact 5 follow first
Opposite direction where from pole piece 2 to the second pole piece 3 moves, and promotes mutually disconnected between the first pole piece contact 5 and the second pole piece contact 6
It opens, and then guarantees charging effect.
When charging plug is extracted, in order to enable the first pole piece 2 with 5 self-return of the first pole piece contact, first
Elastic device 7 is additionally provided between pole piece contact 5 and crook 21,7 one end of elastic device is supported and is connected on the first pole piece 2, another
End is connected on the sealing plate 9 of 1 side of charging unit ontology setting.
Traditional charging unit is usually overall structure, and user is difficult to observe the component inside charging unit, works as charging
When device cannot achieve charging, user is usually to replace to charging unit, rather than overhaul to it, causes resource
Waste, and the component in charging unit undoubtedly can cause environmental pollution, while also will increase the use cost of user, to understand
Certainly above-mentioned technical problem is provided with dismountable sealing plate 9 in 1 side of charging unit ontology in the present embodiment, when charging unit goes out
When existing unexpected situation, user can overhaul charging unit inside, and replace etc. to part by removing sealing plate 9
Operation improves the manufacture efficiency of charging unit in the present embodiment to realize fast assembling-disassembling, and fin 92 is arranged on sealing plate 9,
Groove 13 is formed on 1 outer surface of charging unit ontology, fin 92 is adapted with groove 13, i.e., size shape is adapted, pass through by
Fin 92 is installed in groove 13, realizes the connection between charging unit ontology 1 and sealing plate 9, in order to further increase dismounting effect
Fin 92 and groove 13 can be respectively provided with and be in strip shape by rate, and strip structure can also play certain guiding role.
Elastic device 7 can be the simple spring of structure, easy disassembly, replacement, and use cost is low, in order to preferably fix
The position of spring places spring offset and influences the use of entire charging unit, can be to be arranged on the first pole piece 2 for spring one end
The recessed portion of placement forms columnar positioning protrusion 91 on sealing plate 9, and spring one end is connected at the recessed portion of the first pole piece 2,
The other end is sleeved on outside positioning protrusion 91.
In the prior art, absorption ash is easy to due to not set protective device at jack 12, on the pole stick 3 in jack 12
Dirt, charging interface charge contact position of accumulating over a long period will lead to poor contact, to the phenomenon that can not charging occur, influence product
Service life and using effect be provided with protective cap in 12 opening of jack in the present embodiment to solve the technical problem
8, since the possible charge frequency of rechargeable battery is high, the frequency for then causing protective cap 8 to need open and close is high, over time, meeting
8 rapid wear of protective cap is caused, for the ease of being replaced to protective cap 8, protective cap 8 jack 12 can be removably mounted at and is open
Place, protective cap 8 are equipped with mounting portion, and mounting portion is in bar shaped, and setting can on the charging unit ontology 1 close to 12 opening of jack
For the mounting groove that mounting portion is embedded, mounting portion is fitted in mounting groove.
Protective cap 8 includes ceiling plate portion 81 and insertion part 82, and ceiling plate portion 81 is in rounded shape, and outer diameter is greater than the internal diameter of jack 12,
Protective cap 8 is removed from jack 12 convenient for user, to charge, when insertion part 82 is installed, protrudes into inside jack 12, more has
Effect avoids the foreign matters such as dust from entering, and charging effect is effectively ensured.
In order to guarantee the structural strength and using effect of protective cap 8, ceiling plate portion 81 and insertion part 82 are integrally formed and are arranged,
Protective cap 8 is made of elastic rubber material, so that jack 12 is under uncharged state, airtightness is more preferable.
Interconnecting piece is equipped between mounting portion on protective cap 8 and ceiling plate portion 81, interconnecting piece may be reversed, and protective cap occurs in reduction
8 probability vanished from sight guarantee the service life of protective cap 8.
Charging unit in the present embodiment can protected 4 effective protection of pole stick by the way that protective cap 8 is arranged at jack 12
In helmet 8, avoid pole stick 4 is exposed under not charged state from adsorbing dust in air, it, only need to be by protective cap 8 when needing to charge
It pushes aside, plug insertion jack 12 is connected on pole stick 4 charging can be realized, be capable of the use of the effective protection perambulator charging hole
Service life and using effect are conducive to the charging unit and promote and apply in the market.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention；Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Although appended drawing reference in figure is used more herein：1, charging unit ontology；11, cavity；12, jack；13, recessed
Slot；2, the first pole piece；21, crook；3, the second pole piece；4, pole stick；5, the first pole piece contact；6, the second pole piece contact；7, bullet
Property device；8, protective cap；81, ceiling plate portion；82, insertion part；9, sealing plate；91, positioning protrusion；92, the terms such as fin, but do not arrange
A possibility that except other terms are used.The use of these items is only for be more convenient to describe and explain essence of the invention；
Being construed as any additional limitation is disagreed with spirit of that invention.
Claims (10)
1. charging unit, including charging unit ontology（1）；It is characterized in that：The charging unit ontology（1）Equipped with cavity
（11）, the charging unit ontology（1）Side is equipped with sealing plate（9）；The cavity（11）Inside set the first pole piece（2）With the second pole piece
（3）, first pole piece（2）With the second pole piece（3）All extend to the charging unit ontology（1）Outer and exposed parts first
Pole piece（2）With the second pole piece（3）Between be parallel to each other；The charging unit ontology（1）Form jack（12）, the jack（12）
Opening is equipped with protective cap（8）；The jack（12）Inside set pole stick（4）；The pole stick（4）One end extends to the charging unit
Ontology（1）Outside, the jack is set in the other end（12）It is interior；First pole piece（2）Equipped with the first pole piece contact（5）, corresponding
Second pole piece（3）Equipped with the second pole piece contact（6）, first pole piece contact（5）With the second pole piece contact（6）It is all provided with
In the charging unit ontology（1）It is interior, first pole piece（2）It is formed to the pole stick（4）The curved crook of setting direction
（21）, first pole piece contact（5）With the crook（21）Between be equipped with elastic device（7）；The elastic device（7）One
End is connected to the first pole piece（2）, the other end is connected to sealing plate（9）.
2. charging unit according to claim 1, it is characterised in that：The sealing plate（9）It is removably mounted to the charging
Device noumenon（1）.
3. charging unit according to claim 2, it is characterised in that：The sealing plate（9）Form fin（92）, the charging
Device noumenon（1）Form groove（13）, the fin（92）With the groove（13）It is adapted.
4. charging unit according to claim 2, it is characterised in that：The fin（92）With groove（13）It is in bar shaped.
5. charging unit according to claim 1, it is characterised in that：The elastic device（7）For spring, the sealing plate
（9）Form columnar positioning protrusion（91）, spring one end is connected to the first pole piece（2）, the other end is set in positioning protrusion（91）
Outside.
6. charging unit according to claim 2, it is characterised in that：The protective cap（8）It is removably mounted to described insert
Hole（12）Opening.
7. charging unit according to claim 6, it is characterised in that：The protective cap（8）Including ceiling plate portion（81）With it is interior
Embedding portion（82）, the insertion part（82）It is embedded at the jack（12）It is interior.
8. charging unit according to claim 7, it is characterised in that：The ceiling plate portion（81）With insertion part（82）One at
Type.
9. charging unit according to claim 6, it is characterised in that：The protective cap（8）It is made of elastic rubber material.
10. charging unit according to claim 1, it is characterised in that：First pole piece contact（5）It is touched with the second pole piece
Point（6）It is silver contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810836020.0A CN108832343A (en) | 2018-07-26 | 2018-07-26 | Charging unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810836020.0A CN108832343A (en) | 2018-07-26 | 2018-07-26 | Charging unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108832343A true CN108832343A (en) | 2018-11-16 |
Family
ID=64141174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810836020.0A Pending CN108832343A (en) | 2018-07-26 | 2018-07-26 | Charging unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108832343A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201975560U (en) * | 2010-12-24 | 2011-09-14 | 平湖市新仓镇汪氏电子厂 | Improved charging socket |
| CN202282518U (en) * | 2011-09-20 | 2012-06-20 | 镇江日鑫电子有限公司(中外合资) | Radio frequency connector combination |
| CN102782946A (en) * | 2010-02-15 | 2012-11-14 | 矢崎总业株式会社 | Protective cap for prevention of oblique tightening of fusible link directly mounted on battery |
| CN208571004U (en) * | 2018-07-26 | 2019-03-01 | 平湖市新仓镇汪氏电子厂 | A kind of charging unit |
-
2018
- 2018-07-26 CN CN201810836020.0A patent/CN108832343A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102782946A (en) * | 2010-02-15 | 2012-11-14 | 矢崎总业株式会社 | Protective cap for prevention of oblique tightening of fusible link directly mounted on battery |
| CN201975560U (en) * | 2010-12-24 | 2011-09-14 | 平湖市新仓镇汪氏电子厂 | Improved charging socket |
| CN202282518U (en) * | 2011-09-20 | 2012-06-20 | 镇江日鑫电子有限公司(中外合资) | Radio frequency connector combination |
| CN208571004U (en) * | 2018-07-26 | 2019-03-01 | 平湖市新仓镇汪氏电子厂 | A kind of charging unit |
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