CN106645839A - Three-phase electric energy meter terminal box and three-phase electric energy meter containing the terminal box - Google Patents
Three-phase electric energy meter terminal box and three-phase electric energy meter containing the terminal box Download PDFInfo
- Publication number
- CN106645839A CN106645839A CN201611264785.9A CN201611264785A CN106645839A CN 106645839 A CN106645839 A CN 106645839A CN 201611264785 A CN201611264785 A CN 201611264785A CN 106645839 A CN106645839 A CN 106645839A
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- CN
- China
- Prior art keywords
- relay
- phase
- terminal box
- transformer
- energy meter
- 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.)
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Classifications
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- 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
-
- 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
-
- 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)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a three-phase electric energy meter terminal box and a three-phase electric energy meter containing the terminal box. An existing relay and an existing mutual inductor are of a separate structure, resulting in that the installation of the relay and the mutual inductor is relatively troublesome. The three-phase electric energy meter terminal box disclosed by the invention comprises a terminal box, a relay and an mutual inductor, wherein the terminal box is provided with an A phase incoming line terminal, a B phase incoming line terminal, a C phase incoming line terminal, an A phase leading-out terminal, a B phase leading-out terminal and a C phase leading-out terminal; and an accommodation box is arranged on one side of the terminal box, and the relay and the mutual inductor are of an integrated structure, are placed in the accommodation box and are connected with the A phase incoming line terminal, the B phase incoming line terminal, the C phase incoming line terminal, the A phase leading-out terminal, the B phase leading-out terminal and the C phase leading-out terminal of the terminal box. By adoption of the three-phase electric energy meter terminal box disclosed by the invention, the installation of the relay and the mutual inductor is facilitated, and the overall installation efficiency of the three-phase electric energy meter terminal box is obviously improved.
Description
Technical field
The present invention relates to electric energy meter, specifically a kind of three-phase electric energy meter terminal box and the three-phase electricity comprising the terminal box
Can table.
Background technology
Current three-phase electric energy meter terminal box, its box body is provided with A phases end of incoming cables, B phases end of incoming cables, C phases end of incoming cables, A phases
Leading-out terminal, B phases leading-out terminal and C phase leading-out terminals.Connect with the first via input of relay after A phases end of incoming cables connection transformer
Connect, its first via output end is drawn again from A phases leading-out terminal, and B phases end of incoming cables connects second after another transformer with relay
Road input connection, its second tunnel output end is drawn again from B phases leading-out terminal, and C phases end of incoming cables is reconnected after remaining transformer
It is connected with the 3rd road input of relay, its 3rd tunnel output end is drawn again from C phases leading-out terminal.
But existing relay and transformer are split-type structural, connection between the two needs to be welded by copper bar
Or connected by wire, and be also required to by copper bar between the end of incoming cables on the input and electric energy meter terminal box of transformer
Welding or wire connection, are also required to by copper bar between the leading-out terminal in three tunnel output ends of transformer and electric energy meter terminal box
Welding or wire connection, the installation process that result in relay and transformer is more bothered.
The content of the invention
The technical problem to be solved is the defect for overcoming above-mentioned prior art to exist, there is provided a kind of by transformer
The three-phase electric energy meter terminal box being integrated in one with relay and terminal box and the three-phase electric energy meter comprising the terminal box, with convenient
The installation of relay and transformer, hence it is evident that improve the overall installation effectiveness of terminal box.
To solve above-mentioned technical problem, the technical solution used in the present invention is：A kind of three-phase electric energy meter terminal box, including end
Button box, relay and transformer；Described terminal box has A phases end of incoming cables, B phases end of incoming cables, C phases end of incoming cables, A phase leading-out terminals, B
Phase leading-out terminal and C phase leading-out terminals；The side of the terminal box is provided with an accommodating case, and the relay and transformer are used as integral type
Structure is placed in accommodating case and A phases end of incoming cables, B phases end of incoming cables, C phases end of incoming cables, A phase leading-out terminals, B phase leading-out terminals with terminal box
With the connection of C phases leading-out terminal.
After above structure, accommodating case is relied on to carry relay and transformer, and when relay and transformer are placed in
A phases end of incoming cables, B phases end of incoming cables, C phases end of incoming cables, A phase leading-out terminals, B phases leading-out terminal and C phases in accommodating case afterwards with terminal box goes out
Line end connects, simplify the operation for installing relay and transformer, it is to avoid produced problem in prior art, improves terminal
The overall installation effectiveness of box structure.
Further, the quantity of the transformer is three, and the relay has three road inputs and three tunnel output ends,
The transformer has an input and an output end；The output end of each transformer is provided with the first electric conductor；Three transformers
Input electrically connect with the output end all the way of relay respectively；It is conductive that every input all the way of the relay is provided with second
Body；Three the second electric conductors are connected conducting, three the first electric conductors with A phases end of incoming cables, B phases end of incoming cables and C phases end of incoming cables respectively
It is connected conducting with A phase leading-out terminals, B phases leading-out terminal and C phase leading-out terminals respectively.
Arranged using said structure, relay and three transformers are together positioned in accommodating case, by relay and mutual inductance
Device integration-in-one structure, the input and the output end of relay of an extraction transformer, that is, draw the first electric conductor as one
The output end of body formula structure, draws the second electric conductor as the input of integral structure, is directly installed to integral structure
On electric energy meter terminal box, i.e. terminal box is connected conducting with the end of incoming cables of terminal box and leading-out terminal, just can use, relative to original
The installation procedure of relay and transformer, all brings aobvious from the stability of installation effectiveness and follow-up whole ammeter operation
The raising of work.
Further, three the second electric conductors are connected respectively by screw with A phases end of incoming cables, B phases end of incoming cables and C phases end of incoming cables
Fixed conducting is connect, three the first electric conductors are connected respectively by screw with A phase leading-out terminals, B phases leading-out terminal and C phase leading-out terminals
Conducting.Whole integral structure is installed on electric energy meter terminal box, is set up and is connected conducting with the end of incoming cables of terminal box and leading-out terminal,
Only need to be connected by screw fixation, even more embody high efficiency and agility.
Further, the accommodating case is provided with the relay cavity and three confessions being spaced apart installed for relay
The transformer cavity that transformer is installed；The relay cavity and transformer cavity are located at the back side of accommodating case；The relay
Device cavity is placed in the lower section of relay cavity in accommodating case top, the transformer cavity, each transformer cavity
Cavity wall is provided with and pass the first open slot to outside accommodating case for the first electric conductor；The relay cavity is provided with leads for second
Electric body passes the second open slot to outside accommodating case.The internal structure of accommodating case is indicated, based on above-mentioned structure, can be realized
When relay and transformer are installed in accommodating case, directly hold the accommodating case just can with the end of incoming cables on terminal box and go out
Line end is set up and connects and turn on.
Further, the volume of the relay cavity is suitable with the volume of relay；The volume of the transformer cavity
It is suitable with the volume of transformer.Contribute to the stability of relay and transformer in accommodating case, relay and transformer will not
There is unnecessary loosening, when shaking occurs in electric energy meter terminal box, relay and transformer can keep relative and stablize.
Further, the left and right two ends of the relay offset respectively with the two ends of relay cavity.Contribute to further
Improve the stability of relay.
Further, the sidepiece that relay is connected to per the second electric conductor that all the way input is provided with of the relay,
Second electric conductor is vertically passed to outside the second open slot.The space of relay cavity is saved, contributes to reducing accommodating case
Volume, the final overall volume for reducing three-phase electric energy meter terminal box structure.
Further, the upper/lower terminal of the transformer offsets respectively with the upper/lower terminal of transformer cavity.Contribute to
Further improve the stability of transformer.
Further, the first electric conductor that the output end of the transformer is provided with is connected to the lower end of transformer, and described
One electric conductor is vertically passed to outside the first open slot.The space of transformer cavity is saved, contributes to reducing the volume of accommodating case, most
The overall volume of three-phase electric energy meter terminal box structure is reduced eventually.
Further, described three-phase electric energy meter terminal box also includes Z-type bus；The input of the transformer passes through
Z-type bus is connected with the output end of relay.Contribute to reducing the volume of accommodating case, it is final to reduce three-phase electric energy meter terminal box
The overall volume of structure, the input of the transformer that staggers and the output end of relay, it is to avoid both are by closely producing very much disturbing factor.
Another technical scheme for adopting of the present invention for：A kind of three-phase electric energy meter, it includes above-mentioned three-phase electric energy meter terminal box.
The device have the advantages that：The three-phase electric energy meter terminal box of the present invention is using relay and transformer as one
Formula structure is placed in accommodating case and is connected into and out of line end with each of terminal box, facilitates the installation of relay and transformer, bright
It is aobvious to improve the overall installation effectiveness of terminal box.
Description of the drawings
Fig. 1 is the positive structural representation of the embodiment of the present invention one;
Fig. 2 is the structural representation at the back side of the embodiment of the present invention one；
Fig. 3 is the schematic diagram of the accommodating case of the embodiment of the present invention one.
In figure：1st, terminal box；2nd, relay；3rd, transformer；4th, accommodating case；401st, relay cavity；402nd, transformer is recessed
Chamber；403rd, the first open slot；404th, the second open slot；501st, the first electric conductor；502nd, the second electric conductor；6th, Z-type bus；7、
Connection ear.
Specific embodiment
With reference to specification drawings and specific embodiments, the present invention is described in further detail.
Embodiment one
The present embodiment is a kind of three-phase electric energy meter terminal box.
Three-phase electric energy meter terminal box as Figure 1-3, it is made up of terminal box 1, relay 2 and three transformers 3；After
Electrical equipment 2 has three road inputs and three tunnel output ends, and transformer 3 has an input and an output end；Terminal box 1 has A phases
End of incoming cables, B phases end of incoming cables, C phases end of incoming cables, A phase leading-out terminals, B phases leading-out terminal and C phase leading-out terminals；The upper end of terminal box 1 is provided with
Accommodating case 4；The output end of each transformer 3 is provided with the first electric conductor 501；The input of three transformers 3 respectively with relay 2
Output end all the way electrical connection；Every input all the way of relay 2 is provided with the second electric conductor 502；Relay 2 and three mutual inductances
Device 3 is positioned in accommodating case 4, and three the second electric conductors 502 are connected respectively with A phases end of incoming cables, B phases end of incoming cables and C phases end of incoming cables
Conducting, three the first electric conductors 501 are connected conducting with A phase leading-out terminals, B phases leading-out terminal and C phase leading-out terminals respectively；Wherein, first
The electric conductor 502 of electric conductor 501 and second is conductive copper bar.
Three the second electric conductors 502 are connected respectively by screw with A phases end of incoming cables, B phases end of incoming cables and C phases end of incoming cables
Conducting, three the first electric conductors 501 are connected and are led with A phase leading-out terminals, B phases leading-out terminal and C phase leading-out terminals respectively by screw
It is logical；Second electric conductor 502 extends that one end sidepiece outside accommodating case 4 and is provided with connection ear 7, wherein, the connection ear 7 can turn
Dynamicly on the second electric conductor 502, can rotate along the second electric conductor 502, while the connection ear 7 is provided with screw hole,
Facilitate the fixation that is spirally connected of the second electric conductor 502 and terminal box 1, it is adaptable to different terminal boxs, while such being designed with is beneficial to
Reduce the overall volume of three-phase electric energy meter terminal box structure.
Accommodating case 4 is provided with the relay cavity 401 and three confession transformers 3 being spaced apart installed for relay 2
The transformer cavity 402 of installation；Relay cavity 401 and transformer cavity 402 are located at the back side of accommodating case 4；Relay is recessed
Chamber 401 is placed in the lower section of relay cavity 401 in the top of accommodating case 4, transformer cavity 402, each transformer cavity 402
Cavity wall is provided with and pass the first open slot 403 to outside accommodating case 4 for the first electric conductor 501；Relay cavity 401 is provided with confession
Second electric conductor 502 passes the second open slot 404 to outside accommodating case 4, wherein, the first open slot 403 and the second open slot 404
Setting and for it is convenient by the first electric conductor 501 and the second electric conductor 502 together with relay 2 and transformer 3
In being arranged at accommodating case 4.
The volume of relay cavity 401 is suitable with the volume of relay 2；The volume of transformer cavity 402 and transformer 3
Volume is suitable.The left and right two ends of relay 2 offset respectively with the two ends of relay cavity 401.The every of relay 2 is input into all the way
The second electric conductor 502 that end is provided with is connected to the sidepiece of relay 2, and the second electric conductor 502 is vertically passed to the second open slot 404
Outward.
The upper/lower terminal of transformer 3 offsets respectively with the upper/lower terminal of transformer cavity 402.The output end of transformer 3
The first electric conductor 501 being provided with is connected to the lower end of transformer 3, and the first electric conductor 501 is vertically passed to the first open slot 403
Outward.
The input of transformer 3 is connected by Z-type bus 6 with the output end of relay 2.
Embodiment two
The present embodiment is a kind of three-phase electric energy meter comprising three-phase electric energy meter terminal box in embodiment one.
Below only highly preferred embodiment of the present invention is described, but is not to be construed as limiting the scope of the invention.This
Invention is not limited only to above example, and all various changes made in the protection domain of independent claims of the present invention are at this
In the protection domain of invention.
Claims (10)
1. a kind of three-phase electric energy meter terminal box, including terminal box（1）, relay（2）And transformer（3）；The terminal box（1）Tool
There are A phases end of incoming cables, B phases end of incoming cables, C phases end of incoming cables, A phase leading-out terminals, B phases leading-out terminal and C phase leading-out terminals；It is characterized in that：Institute
State terminal box（1）Upper end be provided with an accommodating case（4）, the relay（2）And transformer（3）It is placed in as integral structure
Accommodating case（4）In and and terminal box（1）A phases end of incoming cables, B phases end of incoming cables, C phases end of incoming cables, A phase leading-out terminals, B phases leading-out terminal and
C phases leading-out terminal connects.
2. three-phase electric energy meter terminal box according to claim 1, it is characterised in that：The transformer（3）Quantity be three
It is individual, the relay（2）With three road inputs and three tunnel output ends, each transformer（3）With an input and an output
End；Each transformer（3）Output end be provided with the first electric conductor（501）, three transformers（3）Input respectively with relay
（2）Output end all the way electrical connection；The relay（2）Be provided with the second electric conductor per input all the way（502）；Three second
Electric conductor（502）It is connected conducting, three the first electric conductors with A phases end of incoming cables, B phases end of incoming cables and C phases end of incoming cables respectively（501）Point
Conducting is not connected it with A phase leading-out terminals, B phases leading-out terminal and C phase leading-out terminals.
3. three-phase electric energy meter terminal box according to claim 2, it is characterised in that：Three the second electric conductors（502）Pass through
Screw is connected respectively conducting with A phases end of incoming cables, B phases end of incoming cables and C phases end of incoming cables, three the first electric conductors（501）Pass through
Screw is connected respectively conducting with A phase leading-out terminal B phases leading-out terminals and C phase leading-out terminals.
4. three-phase electric energy meter terminal box according to claim 3, it is characterised in that：The accommodating case（4）Be provided with for after
Electrical equipment（2）The relay cavity of installation（401）And three confession transformers being spaced apart（3）The transformer cavity of installation
（402）；The relay cavity（401）With transformer cavity（402）It is located at accommodating case（4）The back side；The relay is recessed
Chamber（401）In accommodating case（4）Top, the transformer cavity（402）It is placed in relay cavity（401）Lower section, each is mutual
Sensor cavity（402）Cavity wall be provided with for the first electric conductor（501）Pass to accommodating case（4）The first outer open slot（403）；
The relay cavity（401）It is provided with for the second electric conductor（502）Pass to accommodating case（4）The second outer open slot（404）.
5. three-phase electric energy meter terminal box according to claim 4, it is characterised in that：The relay cavity（401）Appearance
Product and relay（2）Volume it is suitable；The transformer cavity（402）Volume and transformer（3）Volume it is suitable.
6. three-phase electric energy meter terminal box according to claim 5, it is characterised in that：The relay（2）Left and right two ends
Respectively with relay cavity（401）Two ends offset.
7. three-phase electric energy meter terminal box according to claim 6, it is characterised in that：The relay（2）Per defeated all the way
Enter the second electric conductor that end is provided with（502）It is connected to relay（2）Sidepiece, second electric conductor（502）Vertically pass to
Second open slot（404）Outward.
8. three-phase electric energy meter terminal box according to claim 5, it is characterised in that：The transformer（3）Upper/lower terminal
Respectively with transformer cavity（402）Upper/lower terminal offset.
9. three-phase electric energy meter terminal box according to claim 8, it is characterised in that：The transformer（3）Output end set
The first electric conductor having（501）It is connected to transformer（3）Lower end, first electric conductor（501）Vertically pass to first and open
Mouth groove（403）Outward.
10. a kind of three-phase electric energy meter, it is characterised in that comprising the arbitrary described three-phase electric energy meter terminal box of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611264785.9A CN106645839A (en) | 2016-12-30 | 2016-12-30 | Three-phase electric energy meter terminal box and three-phase electric energy meter containing the terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611264785.9A CN106645839A (en) | 2016-12-30 | 2016-12-30 | Three-phase electric energy meter terminal box and three-phase electric energy meter containing the terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106645839A true CN106645839A (en) | 2017-05-10 |
Family
ID=58838380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611264785.9A Pending CN106645839A (en) | 2016-12-30 | 2016-12-30 | Three-phase electric energy meter terminal box and three-phase electric energy meter containing the terminal box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106645839A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111830301A (en) * | 2019-04-23 | 2020-10-27 | 宁波三星智能电气有限公司 | Electric energy meter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201548599U (en) * | 2009-12-16 | 2010-08-11 | 威胜集团有限公司 | Integral type combined terminal strip |
| CN104678139A (en) * | 2013-12-02 | 2015-06-03 | 安徽永安电子科技有限公司 | Novel integrated terminal base |
| CN205353153U (en) * | 2015-12-30 | 2016-06-29 | 宁波三星医疗电气股份有限公司 | Terminal box subassembly |
| CN206470308U (en) * | 2016-12-30 | 2017-09-05 | 国网浙江省电力公司电力科学研究院 | A kind of three-phase electric energy meter terminal box and the three-phase electric energy meter comprising the terminal box |
-
2016
- 2016-12-30 CN CN201611264785.9A patent/CN106645839A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201548599U (en) * | 2009-12-16 | 2010-08-11 | 威胜集团有限公司 | Integral type combined terminal strip |
| CN104678139A (en) * | 2013-12-02 | 2015-06-03 | 安徽永安电子科技有限公司 | Novel integrated terminal base |
| CN205353153U (en) * | 2015-12-30 | 2016-06-29 | 宁波三星医疗电气股份有限公司 | Terminal box subassembly |
| CN206470308U (en) * | 2016-12-30 | 2017-09-05 | 国网浙江省电力公司电力科学研究院 | A kind of three-phase electric energy meter terminal box and the three-phase electric energy meter comprising the terminal box |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111830301A (en) * | 2019-04-23 | 2020-10-27 | 宁波三星智能电气有限公司 | Electric energy meter |
| CN111830301B (en) * | 2019-04-23 | 2023-03-31 | 宁波三星智能电气有限公司 | Electric energy meter |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: The eight district of Hangzhou city in Zhejiang province 310014 Huadian Zhaohui under No. 1 Lane Applicant after: STATE GRID ZHEJIANG ELECTRIC POWER COMPANY LIMITED ELECTRIC POWER Research Institute Applicant after: STATE GRID CORPORATION OF CHINA Applicant after: STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. Address before: The eight district of Hangzhou city in Zhejiang province 310014 Huadian Zhaohui under No. 1 Lane Applicant before: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID ZHEJIANG ELECTRIC POWER Co. Applicant before: State Grid Corporation of China Applicant before: STATE GRID ZHEJIANG ELECTRIC POWER Co. |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20210309 Address after: 311100 Building 5, 138 Yunlian Road, Yuhang District, Hangzhou City, Zhejiang Province Applicant after: Marketing service center of State Grid Zhejiang Electric Power Co.,Ltd. Applicant after: STATE GRID CORPORATION OF CHINA Applicant after: STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. Address before: The eight district of Hangzhou city in Zhejiang province 310014 Huadian Zhaohui under No. 1 Lane Applicant before: STATE GRID ZHEJIANG ELECTRIC POWER COMPANY LIMITED ELECTRIC POWER Research Institute Applicant before: STATE GRID CORPORATION OF CHINA Applicant before: STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. |