CN110361575A - A kind of terminal box - Google Patents
A kind of terminal box Download PDFInfo
- Publication number
- CN110361575A CN110361575A CN201910802508.6A CN201910802508A CN110361575A CN 110361575 A CN110361575 A CN 110361575A CN 201910802508 A CN201910802508 A CN 201910802508A CN 110361575 A CN110361575 A CN 110361575A
- Authority
- CN
- China
- Prior art keywords
- electric current
- voltage
- link block
- block
- electrically connected
- 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
- 230000007935 neutral effect Effects 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 5
- 239000012780 transparent material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The invention discloses a kind of terminal box, including A phase region, B phase region, C phase region and zero curve area, A phase region includes A voltage link block and A electric current link block;B phase region includes B voltage link block and B electric current link block;C phase region includes C voltage link block and C electric current link block;Zero curve area includes neutral voltage link block.A voltage link block, B voltage link block, C voltage link block and the neutral voltage link block all includes 2 voltage link cylinders, voltage plug-in connection sheet and 2 voltage contacts blocks respectively, and each voltage link cylinder is electrically connected with 1 voltage contacts block;2 voltage contacts blocks are electrically connected to each other by voltage plug-in connection sheet.Present invention uses more time saving, safe plug-in connection sheet, the connection in circuit is realized when being inserted into connection sheet, the disconnection in circuit is realized when extracting connection sheet, reduces the troublesome operation of the turn of the screw, is greatly improved work efficiency and security performance.
Description
Technical field
The present invention relates to electrical energy measurement fields, more particularly, to a kind of terminal box.
Background technique
Traditional electric energy metering wiring box by adjusting screw realize connection sheet opening and crimping, come reach binding post it
Between on-off purpose, realize and exchanged safely in on-load or field test electric energy meter, electric meter, earth leakage protective etc..
Aforesaid way needs continually the turn of the screw, and operation is tired, elapsed time is long, be easy to cause the not firm or screw of crimping to fall, Jin Erke
It can cause metering mistake or customer equipment failure.
Summary of the invention
The present invention overcomes above-mentioned existing technical deficiencies, provide a kind of a kind of new terminal box.Present invention uses more
Add time saving, safe plug-in connection sheet, the connection in circuit is realized when being inserted into connection sheet, the disconnected of circuit is realized when extracting connection sheet
It opens, reduces the troublesome operation of the turn of the screw, greatly improve work efficiency and security performance.
In order to solve the above technical problems, technical scheme is as follows:
A kind of terminal box, including A phase region, B phase region, C phase region and zero curve area, wherein
The A phase region includes A voltage link block and A electric current link block, one end of A voltage link block and terminal
Electrical connection, the other end of A voltage link block are electrically connected with the end of incoming cables of power supply;The both ends of A electric current link block respectively with electricity
The both ends of current transformer are electrically connected;
The B phase region includes B voltage link block and B electric current link block, one end of B voltage link block and terminal
Electrical connection, the other end of B voltage link block are electrically connected with the end of incoming cables of power supply;The both ends of B electric current link block respectively with electricity
The both ends of current transformer are electrically connected;
The C phase region includes C voltage link block and C electric current link block, one end of C voltage link block and terminal
Electrical connection, the other end of C voltage link block are electrically connected with the end of incoming cables of power supply;The both ends of C electric current link block respectively with electricity
The both ends of current transformer are electrically connected;
The zero curve area includes neutral voltage link block, and one end of neutral voltage link block is electrically connected with terminal,
The other end of neutral voltage link block is electrically connected with the end of incoming cables of power supply.
In a preferred solution, the A voltage link block, B voltage link block, C voltage link block and
Neutral voltage link block respectively all include 2 voltage link cylinders, voltage plug-in connection sheet and 2 voltage contacts blocks,
In,
Each voltage link cylinder is electrically connected with 1 voltage contacts block;
2 voltage contacts blocks are electrically connected to each other by voltage plug-in connection sheet.
In this preferred embodiment, by realizing the connection in circuit when insertion connection sheet, the disconnected of circuit is realized when extracting connection sheet
It opens, reduces the troublesome operation of the turn of the screw, greatly improve work efficiency and security performance.
In a preferred solution, each voltage link cylinder is electrically connected by bolt and 1 voltage contacts block
It connects.
In a preferred solution, the voltage contacts block is folding T-type sheet metal, the T-type metal
On piece opens up through-hole.
In a preferred solution, the A electric current link block, B electric current link block, C electric current link block point
It does not all include 3 electric current wiring cylinders, 2 electric current plug-in connection sheets and 4 galvanic contact blocks, wherein
3 electric current wiring cylinders are defined as the first electric current wiring cylinder, the second electric current wiring cylinder, third electric current
Wiring cylinder;2 electric current plug-in connection sheets are defined as the first electric current plug-in connection sheet and the second electric current plug-in
Connection sheet;4 galvanic contact blocks are defined as the first galvanic contact block, the second galvanic contact block, third galvanic contact block
With the 4th galvanic contact block, wherein
The first galvanic contact block, the first electric current wiring cylinder and the first electricity are provided on the first electric current wiring cylinder
Flow contact block electrical connection;
The second galvanic contact block, third galvanic contact block, the second electric current are provided on the second electric current wiring cylinder
Contact block, third galvanic contact block are electrically connected with the second electric current wiring cylinder respectively;
The 4th galvanic contact block, third electric current wiring cylinder and the 4th electricity are provided on the third electric current wiring cylinder
Flow contact block electrical connection;
The first galvanic contact block is electrically connected by the first electric current plug-in connection sheet with the second galvanic contact block;
The third galvanic contact block is electrically connected by the second electric current plug-in connection sheet with the 4th galvanic contact block.
In this preferred embodiment, by realizing the connection in circuit when insertion connection sheet, the disconnected of circuit is realized when extracting connection sheet
It opens, reduces the troublesome operation of the turn of the screw, greatly improve work efficiency and security performance.
In a preferred solution, each electric current wiring cylinder passes through bolt respectively and is electrically connected with galvanic contact block
It connects.
In a preferred solution, the galvanic contact block is folding L-type sheet metal, the L-type metal
On piece opens up through-hole.
In a preferred solution, the terminal box further includes box body, the A phase region, B phase region, C phase region and zero
Line area is all disposed on box body, and A phase region, B phase region, C phase region and zero curve area are connect with box body respectively.
In a preferred solution, box body setting is fluted, and the groove is used for fixed voltage plug-in
Connection sheet and electric current plug-in connection sheet.
In a preferred solution, the terminal box further includes box cover, and the box cover is connect with box body.
In a preferred solution, the box cover is the box cover of transparent material.
In this preferred embodiment,
Compared with prior art, the beneficial effect of technical solution of the present invention is:
The present invention has used for reference the inspiration of disconnecting link connection type, by the adjusting bolt and short circuit in traditional electric energy metering wiring box
Copper sheet is changed to more time saving, safe plug-in connection sheet, and the connection in circuit is realized when being inserted into connection sheet, extracts real when connection sheet
The disconnection in existing circuit, effectively reduces the troublesome operation of the turn of the screw, greatly improves work efficiency and security performance.
Detailed description of the invention
Fig. 1 is the structure chart of embodiment.
Fig. 2 is the structure chart of the voltage link block of embodiment.
Fig. 3 is the structure chart of the electric current link block of embodiment.
Fig. 4 is the top view of the voltage contacts block of embodiment.
Fig. 5 is the top view of the galvanic contact block of embodiment.
Label declaration: 1, voltage link cylinder;2, voltage contacts block;3, voltage plug-in connection sheet;4, electric current binding post
Body;5, galvanic contact block;6, electric current plug-in connection sheet.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent;
In order to better illustrate this embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent actual product
Size;
To those skilled in the art, it is to be understood that certain known features and its explanation, which may be omitted, in attached drawing
's.
The following further describes the technical solution of the present invention with reference to the accompanying drawings and examples.
Embodiment
A kind of terminal box, the box cover including box body and transparent material, the box cover and box body of transparent material are clamped;
As shown in Figure 1, A phase region, B phase region, C phase region and zero curve area are provided on box body, A phase region, B phase region, C phase region and zero
Line area is fixedly connected with box body respectively;
Wherein, A phase region, B phase region, C phase region and zero curve area,
A phase region includes A voltage link block and A electric current link block, and one end of A voltage link block and terminal pass through spiral shell
Bolt is electrically connected, and the other end of A voltage link block and the end of incoming cables of power supply are electrically connected by bolt;The connection of A electric current
The both ends of module are electrically connected with the both ends of current transformer by bolt respectively;
B phase region includes B voltage link block and B electric current link block, and one end of B voltage link block and terminal pass through spiral shell
Bolt is electrically connected, and the other end of B voltage link block and the end of incoming cables of power supply are electrically connected by bolt;The connection of B electric current
The both ends of module are electrically connected with the both ends of current transformer by bolt respectively;
C phase region includes C voltage link block and C electric current link block, and one end of C voltage link block and terminal pass through spiral shell
Bolt is electrically connected, and the other end of C voltage link block and the end of incoming cables of power supply are electrically connected by bolt;The connection of C electric current
The both ends of module are electrically connected with the both ends of current transformer by bolt respectively;
Zero curve area includes neutral voltage link block, and one end of neutral voltage link block and terminal are carried out electric by bolt
Connection, the other end of neutral voltage link block and the end of incoming cables of power supply are electrically connected by bolt;
As shown in Fig. 2, A voltage link block, B voltage link block, C voltage link block and neutral voltage link block
It respectively all include 2 voltage link cylinders 1, voltage plug-in connection sheet 3 and 2 voltage contacts blocks 2, wherein
Each voltage link cylinder 1 is electrically connected by bolt with 1 voltage contacts block 2;
2 voltage contacts blocks 2 are electrically connected to each other by voltage plug-in connection sheet 3;
As shown in figure 4, each voltage contacts block 2 is folding T-type sheet metal, 1st area of voltage contacts block 2 has opened up spiral shell
Voltage contacts block 2 is electrically connected by bolt with voltage link cylinder 1 by keyhole, and 2,3,4 areas of voltage contacts block 2 are folded
Plane and 1st area of voltage contacts block 2 are orthogonal, then by the folded plane in 2nd area of voltage contacts block 2 and voltage contacts block
2 3rd area are orthogonal and the folded plane in 4th area of voltage contacts block 2 and 3rd area of voltage contacts block 2 is orthogonal;
As shown in figure 3, A electric current link block, B electric current link block, C electric current link block all include 3 electric currents respectively
4,2 electric current plug-in connection sheets 6 of wiring cylinder and 4 galvanic contact blocks 5, wherein
3 electric current wiring cylinders 4 are defined as the first electric current wiring cylinder, the second electric current wiring cylinder, third electric current wiring
Cylinder;2 electric current plug-in connection sheets 6 are defined as the first electric current plug-in connection sheet and connect with the second electric current plug-in
Piece;4 galvanic contact blocks 5 are defined as the first galvanic contact block, the second galvanic contact block, third galvanic contact block and
Four galvanic contact blocks, wherein
The first galvanic contact block is provided on first electric current wiring cylinder, the first electric current wiring cylinder passes through bolt and first
The electrical connection of galvanic contact block;
It is provided with the second galvanic contact block, third galvanic contact block on second electric current wiring cylinder, the second galvanic contact block,
Third galvanic contact block passes through bolt respectively and is electrically connected with the second electric current wiring cylinder;
The 4th galvanic contact block is provided on third electric current wiring cylinder, third electric current wiring cylinder passes through bolt and the 4th
The electrical connection of galvanic contact block;
First galvanic contact block is electrically connected by the first electric current plug-in connection sheet with the second galvanic contact block;
Third galvanic contact block is electrically connected by the second electric current plug-in connection sheet with the 4th galvanic contact block;
As shown in figure 5, galvanic contact block is 5 folding L-type sheet metals, each voltage contacts block 5 is folding T-type
1st area of sheet metal, galvanic contact block 5 has opened up bolt hole, and galvanic contact block 5 is electrically connected by bolt with electric current wiring cylinder 4
It connects, 2, the 3 folded planes in area of galvanic contact block 5 and 1st area of galvanic contact block 5 are orthogonal, then by galvanic contact block 5
The folded plane in 3rd area and galvanic contact block 5 2nd area it is orthogonal;
Box body is provided with the groove that voltage plug-in connection sheet 3 and electric current plug-in connection sheet 6 is auxiliarily fixed.
The present embodiment the utility model has the advantages that
The present embodiment has used for reference the inspiration of disconnecting link connection type, by adjusting bolt in traditional electric energy metering wiring box and short
It connects copper sheet and is changed to more time saving, safe plug-in connection sheet, the connection in circuit is realized when being inserted into connection sheet, when extracting connection sheet
The disconnection for realizing circuit, effectively reduces the troublesome operation of the turn of the screw, greatly improves work efficiency and security performance.
The same or similar label correspond to the same or similar components;
The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent;
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For example, the shape description of galvanic contact block and voltage contacts block in embodiment is only
Illustrate, the technical solutions that technical effect may be implemented in others still fall within the protection scope of this patent, and not only with
Limitation of the embodiment as this patent.Secondly, voltage link cylinder is attached with voltage contacts block by bolt in embodiment
It is attached with voltage contacts block by bolt with voltage link cylinder, above-mentioned connection type is only to illustrate, and others are even
The mode of connecing still falls within the protection scope of this patent, such as welds, the connection types such as buckle, and not only with the connection side of embodiment
Limitation of the formula as this patent.
For those of ordinary skill in the art, other not similar shapes can also be made on the basis of the above description
The variation or variation of formula.There is no necessity and possibility to exhaust all the enbodiments.It is all in the spirit and principles in the present invention
Within made any modifications, equivalent replacements, and improvements etc., should all be included in the scope of protection of the claims of the present invention.
Claims (10)
1. a kind of terminal box, which is characterized in that the terminal box includes A phase region, B phase region, C phase region and zero curve area, wherein
The A phase region includes A voltage link block and A electric current link block, and one end of A voltage link block is electrically connected with terminal
It connects, the other end of A voltage link block is electrically connected with the end of incoming cables of power supply;The both ends of A electric current link block are mutual with electric current respectively
The both ends of sensor are electrically connected;
The B phase region includes B voltage link block and B electric current link block, and one end of B voltage link block is electrically connected with terminal
It connects, the other end of B voltage link block is electrically connected with the end of incoming cables of power supply;The both ends of B electric current link block are mutual with electric current respectively
The both ends of sensor are electrically connected;
The C phase region includes C voltage link block and C electric current link block, and one end and the terminal of C voltage link block are electrically connected
It connects, the other end of C voltage link block is electrically connected with the end of incoming cables of power supply;The both ends of C electric current link block are mutual with electric current respectively
The both ends of sensor are electrically connected;
The zero curve area includes neutral voltage link block, and one end of neutral voltage link block is electrically connected with terminal, zero curve
The other end of voltage link block is electrically connected with the end of incoming cables of power supply.
2. terminal box according to claim 1, which is characterized in that the A voltage link block, B voltage link block,
C voltage link block and neutral voltage link block all include 2 voltage link cylinders, voltage plug-in connection sheet and 2 respectively
A voltage contacts block, wherein
Each voltage link cylinder is electrically connected with 1 voltage contacts block;
2 voltage contacts blocks are electrically connected to each other by voltage plug-in connection sheet.
3. terminal box according to claim 2, which is characterized in that each voltage link cylinder passes through bolt and 1
A voltage contacts block electrical connection.
4. terminal box according to claim 2 or 3, which is characterized in that the voltage contacts block is folding T-type gold
Belong to piece, opens up through-hole on the T-type sheet metal.
5. according to claim 1 to terminal box described in any claim in 3, which is characterized in that the A electric current connects mould
Block, B electric current link block, C electric current link block respectively all include 3 electric current wiring cylinders, 2 electric current plug-in connection sheets and
4 galvanic contact blocks, wherein
3 electric current wiring cylinders are defined as the first electric current wiring cylinder, the second electric current wiring cylinder, third electric current wiring
Cylinder;2 electric current plug-in connection sheets are defined as the first electric current plug-in connection sheet and connect with the second electric current plug-in
Piece;4 galvanic contact blocks are defined as the first galvanic contact block, the second galvanic contact block, third galvanic contact block and
Four galvanic contact blocks, wherein
It is provided with the first galvanic contact block on the first electric current wiring cylinder, the first electric current wiring cylinder connects with the first electric current
Contact block electrical connection;
The second galvanic contact block, third galvanic contact block, the second galvanic contact are provided on the second electric current wiring cylinder
Block, third galvanic contact block are electrically connected with the second electric current wiring cylinder respectively;
It is provided with the 4th galvanic contact block on the third electric current wiring cylinder, third electric current wiring cylinder connects with the 4th electric current
Contact block electrical connection;
The first galvanic contact block is electrically connected by the first electric current plug-in connection sheet with the second galvanic contact block;
The third galvanic contact block is electrically connected by the second electric current plug-in connection sheet with the 4th galvanic contact block.
6. terminal box according to claim 5, which is characterized in that each electric current wiring cylinder passes through bolt respectively
It is electrically connected with galvanic contact block.
7. terminal box according to claim 5, which is characterized in that the galvanic contact block is folding L-type metal
Piece opens up through-hole on the L-type sheet metal.
8. according to claim 1, terminal box described in 2,3,6 or 7, which is characterized in that the terminal box further includes box body, institute
A phase region, B phase region, C phase region and the zero curve area stated is all disposed on box body, A phase region, B phase region, C phase region and zero curve area respectively with box
Body connection.
9. terminal box according to claim 8, which is characterized in that the box body setting is fluted, and the groove is used
In fixed voltage plug-in connection sheet and electric current plug-in connection sheet.
10. according to claim 1, terminal box described in 2,3,6,7 or 9, which is characterized in that the terminal box further includes box
Lid, the box cover are connect with box body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910802508.6A CN110361575A (en) | 2019-08-28 | 2019-08-28 | A kind of terminal box |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910802508.6A CN110361575A (en) | 2019-08-28 | 2019-08-28 | A kind of terminal box |
Publications (1)
Publication Number | Publication Date |
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CN110361575A true CN110361575A (en) | 2019-10-22 |
Family
ID=68225433
Family Applications (1)
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CN201910802508.6A Pending CN110361575A (en) | 2019-08-28 | 2019-08-28 | A kind of terminal box |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111812364A (en) * | 2020-08-21 | 2020-10-23 | 广东电网有限责任公司 | Metering junction box |
CN114156809A (en) * | 2021-09-28 | 2022-03-08 | 国网山东省电力公司潍坊供电公司 | Wire plug-in type junction box and installation method |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2321007Y (en) * | 1998-03-20 | 1999-05-26 | 高密市供电局 | Junction box for electric energy measuring device |
CN201060217Y (en) * | 2007-06-01 | 2008-05-14 | 姜琦 | Electrical energy meter multifunctional wiring box |
CN207098520U (en) * | 2017-09-01 | 2018-03-13 | 云南电网有限责任公司电力科学研究院 | A kind of plug type combined connection box |
CN107910666A (en) * | 2017-06-19 | 2018-04-13 | 国网浙江省电力公司湖州供电公司 | A kind of plug-in terminal box |
CN207650253U (en) * | 2017-12-29 | 2018-07-24 | 广东电网有限责任公司江门供电局 | A kind of Multifunctional measuring special junction box |
CN108957070A (en) * | 2018-06-12 | 2018-12-07 | 国网湖北省电力有限公司孝感供电公司 | A kind of plug type connection box of electric energy meter box and electric energy metering device |
CN109085402A (en) * | 2018-08-30 | 2018-12-25 | 中国电力科学研究院有限公司 | The multifunctional combined terminal box of electrical energy measurement |
CN210894454U (en) * | 2019-08-28 | 2020-06-30 | 广东电网有限责任公司 | Terminal box |
-
2019
- 2019-08-28 CN CN201910802508.6A patent/CN110361575A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2321007Y (en) * | 1998-03-20 | 1999-05-26 | 高密市供电局 | Junction box for electric energy measuring device |
CN201060217Y (en) * | 2007-06-01 | 2008-05-14 | 姜琦 | Electrical energy meter multifunctional wiring box |
CN107910666A (en) * | 2017-06-19 | 2018-04-13 | 国网浙江省电力公司湖州供电公司 | A kind of plug-in terminal box |
CN207098520U (en) * | 2017-09-01 | 2018-03-13 | 云南电网有限责任公司电力科学研究院 | A kind of plug type combined connection box |
CN207650253U (en) * | 2017-12-29 | 2018-07-24 | 广东电网有限责任公司江门供电局 | A kind of Multifunctional measuring special junction box |
CN108957070A (en) * | 2018-06-12 | 2018-12-07 | 国网湖北省电力有限公司孝感供电公司 | A kind of plug type connection box of electric energy meter box and electric energy metering device |
CN109085402A (en) * | 2018-08-30 | 2018-12-25 | 中国电力科学研究院有限公司 | The multifunctional combined terminal box of electrical energy measurement |
CN210894454U (en) * | 2019-08-28 | 2020-06-30 | 广东电网有限责任公司 | Terminal box |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111812364A (en) * | 2020-08-21 | 2020-10-23 | 广东电网有限责任公司 | Metering junction box |
CN114156809A (en) * | 2021-09-28 | 2022-03-08 | 国网山东省电力公司潍坊供电公司 | Wire plug-in type junction box and installation method |
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