CN206470308U - A kind of three-phase electric energy meter terminal box and the three-phase electric energy meter comprising the terminal box - Google Patents
A kind of three-phase electric energy meter terminal box and the three-phase electric energy meter comprising the terminal box Download PDFInfo
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- CN206470308U CN206470308U CN201621493046.2U CN201621493046U CN206470308U CN 206470308 U CN206470308 U CN 206470308U CN 201621493046 U CN201621493046 U CN 201621493046U CN 206470308 U CN206470308 U CN 206470308U
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- phases
- relay
- transformer
- terminal box
- energy meter
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- 238000009434 installation Methods 0.000 claims abstract description 13
- 239000004020 conductor Substances 0.000 claims description 46
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
A kind of three-phase electric energy meter the utility model discloses three-phase electric energy meter terminal box and comprising the terminal box.Existing relay and transformer are split-type structural, and the installation that result in relay and transformer is more bothered.Three-phase electric energy meter terminal box of the present utility model includes terminal 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 phases leading-out terminal, B phases 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 placed in as integral structure in accommodating case and the A phases end of incoming cables with terminal box, 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 are connected.Three-phase electric energy meter terminal box of the present utility model facilitates the installation of relay and transformer, and the integral installation efficiency of three-phase electric energy meter terminal box is improved significantly.
Description
Technical field
The utility model is related to electric energy meter, specifically a kind of three-phase electric energy meter terminal box and comprising the terminal box three
Phase electric energy meter.
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.First via input after A phases end of incoming cables connection transformer with relay connects
Connect, its first via output end is drawn from A phases leading-out terminal again, B phases end of incoming cables connects second with relay after another transformer
Road input connection, its second tunnel output end is drawn from B phases leading-out terminal again, 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 from C phases leading-out terminal again.
But existing relay and transformer are split-type structural, connection between the two needs to weld by copper bar
Or connected by wire, and be also required between the end of incoming cables on the input and electric energy meter terminal box of transformer by copper bar
It is also required between leading-out terminal in welding or wire connection, the three tunnel output ends and electric energy meter terminal box of transformer by copper bar
Welding or wire connection, the installation process that result in relay and transformer are more bothered.
Utility model content
Technical problem to be solved in the utility model is that the defect for overcoming above-mentioned prior art to exist will be mutual there is provided one kind
The three-phase electric energy meter terminal box that sensor and relay are integrated in one with terminal box and the three-phase electric energy meter comprising the terminal box, with
The installation of convenience relay and transformer, hence it is evident that improve the overall installation effectiveness of terminal box.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of three-phase electric energy meter terminal box, bag
Include terminal 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 outlets
End, B phases 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 one
Body formula structure is placed in accommodating case and the A phases end of incoming cables with terminal box, B phases end of incoming cables, C phases end of incoming cables, A phases leading-out terminal, B phases go out
Line end and the connection of C phases leading-out terminal.
After above structure, accommodating case carrying relay and transformer are relied on, and when relay and transformer are placed in
Go out after in accommodating case with the A phases end of incoming cables of terminal box, B phases end of incoming cables, C phases end of incoming cables, A phases leading-out terminal, B phases leading-out terminal and C phases
Line end is connected, simplify the process for installing relay and transformer, it is to avoid produced problem in the 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 connected respectively with the output end all the way of relay；Every input all the way of the relay is conductive 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
Respectively conducting is connected with A phases leading-out terminal, B phases leading-out terminal and C phase leading-out terminals.
Set 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 used, 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 with A phases end of incoming cables, B phases end of incoming cables and C phases end of incoming cables respectively by screw
Fixed conducting is connect, three the first electric conductors are connected with A phases leading-out terminal, B phases leading-out terminal and C phase leading-out terminals respectively by screw
Conducting.Whole integral structure is installed on electric energy meter terminal box, is set up with the end of incoming cables of terminal box and leading-out terminal and is connected conducting,
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 installed for relay and three confessions being spaced apart
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 at the top of accommodating case, and the transformer cavity is placed in the lower section of relay cavity, each transformer cavity
Cavity wall is provided with and passes the first open slot to outside accommodating case for the first electric conductor；The relay cavity is provided with and led 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 holding the accommodating case just can be with the end of incoming cables on terminal box and going out
Line end, which is set up, to be connected and turns 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 electric energy meter terminal box shakes, relay and transformer can keep relative stabilization.
Further, two ends of the left and right two ends of the relay respectively with relay cavity offset.Contribute to further
Improve the stability of relay.
Further, the sidepiece that relay is connected to per the second electric conductor that input is provided with all the way of the relay,
Second electric conductor is passed to outside the second open slot vertically.The space of relay cavity is saved, helps to reduce accommodating case
Volume, the final overall volume for reducing three-phase electric energy meter terminal box structure.
Further, upper/lower terminal of the upper/lower terminal of the transformer respectively with transformer cavity offsets.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, described
One electric conductor is passed to outside the first open slot vertically.The space of transformer cavity is saved, helps to reduce 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 conductive bar；The input of the transformer passes through
The output end connection of Z-type conductive bar and relay.Contribute to the volume of reduction accommodating case, it is final to reduce three-phase electric energy meter terminal box
The overall volume of structure, the input for the transformer that staggers and the output end of relay, it is to avoid both produce disturbing factor by too near.
Another technical scheme that the utility model is used for：A kind of three-phase electric energy meter, it includes above-mentioned three-phase electric energy meter end
Button box.
The utility model has the advantage that：Three-phase electric energy meter terminal box of the present utility model is by relay and transformer
It is placed in accommodating case and is connected with each of terminal box into and out of line end as integral structure, facilitates relay and transformer
Installation, hence it is evident that improve the overall installation effectiveness of terminal box.
Brief description of the drawings
Fig. 1 is the positive structural representation of the utility model embodiment one;
Fig. 2 is the structural representation at the back side of the utility model embodiment one；
Fig. 3 is the schematic diagram of the accommodating case of the utility model embodiment 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 conductive bar；7、
Connect ear.
Embodiment
The utility model is described in further detail with reference to specification drawings and specific embodiments.
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 phases leading-out terminal, 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 with A phases end of incoming cables, B phases end of incoming cables and C phases end of incoming cables respectively
Conducting, three the first electric conductors 501 are connected conducting with A phases leading-out terminal, 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 with A phases end of incoming cables, B phases end of incoming cables and C phases end of incoming cables respectively by screw
Conducting, three the first electric conductors 501 are connected and led with A phases leading-out terminal, B phases leading-out terminal and C phase leading-out terminals respectively by screw
It is logical；That one end sidepiece that second electric conductor 502 extends outside accommodating case 4 is provided with connection ear 7, wherein, the connection ear 7 can turn
Dynamicly on the second electric conductor 502, it can be rotated 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 be 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 in the top of accommodating case 4, and transformer cavity 402 is placed in the lower section of relay cavity 401, each transformer cavity 402
Cavity wall is provided with and passed for the first electric conductor 501 to the first open slot 403 outside accommodating case 4；Relay cavity 401 is provided with confession
Second electric conductor 502 is passed to the second open slot 404 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
It is arranged in 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.Two ends of the left and right two ends of relay 2 respectively with relay cavity 401 offset.The every of relay 2 inputs all the way
The second electric conductor 502 being provided with is held to be connected to the sidepiece of relay 2, the second electric conductor 502 is passed to the second open slot 404 vertically
Outside.
Upper/lower terminal of the upper/lower terminal of transformer 3 respectively with transformer cavity 402 offsets.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 passed to the first open slot 403 vertically
Outside.
The input of transformer 3 is connected by Z-type conductive bar 6 with the output end of relay 2.
Embodiment two
The present embodiment is a kind of three-phase electric energy meter for including three-phase electric energy meter terminal box in embodiment one.
Only most preferred embodiment of the present utility model is described above, but is not to be construed as the limit to claim
System.The utility model is not limited only to above example, all to be made in the protection domain of the utility model independent claims
Various change is in protection domain of the present utility model.
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 phases leading-out terminal, 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 phases leading-out terminal, B phases leading-out terminal and
C phases leading-out terminal is connected.
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）Exported with an input and one
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）The second electric conductor is provided with per input all the way（502）；Three second
Electric conductor（502）Respectively conducting, three the first electric conductors are connected with A phases end of incoming cables, B phases end of incoming cables and C phases end of incoming cables（501）Point
Conducting is not connected with A phases leading-out terminal, 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 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）Pass through
Screw is connected conducting with A phase leading-out terminal B phases leading-out terminals and C phase leading-out terminals respectively.
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, it is each mutually
Sensor cavity（402）Cavity wall be provided with supply the first electric conductor（501）Pass to accommodating case（4）The first outer open slot（403）；
The relay cavity（401）It is provided with and supplies 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）It is vertical pass to
Second open slot（404）Outside.
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）Vertical pass to first is opened
Mouth groove（403）Outside.
10. a kind of three-phase electric energy meter, it is characterised in that include any described three-phase electric energy meter terminal boxs of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621493046.2U CN206470308U (en) | 2016-12-30 | 2016-12-30 | A kind of three-phase electric energy meter terminal box and the three-phase electric energy meter comprising the terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621493046.2U CN206470308U (en) | 2016-12-30 | 2016-12-30 | A kind of three-phase electric energy meter terminal box and the three-phase electric energy meter comprising the terminal box |
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| Publication Number | Publication Date |
|---|---|
| CN206470308U true CN206470308U (en) | 2017-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621493046.2U Active CN206470308U (en) | 2016-12-30 | 2016-12-30 | A kind of three-phase electric energy meter terminal box and the three-phase electric energy meter comprising the terminal box |
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| Country | Link |
|---|---|
| CN (1) | CN206470308U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645839A (en) * | 2016-12-30 | 2017-05-10 | 国网浙江省电力公司电力科学研究院 | Three-phase electric energy meter terminal box and three-phase electric energy meter containing the terminal box |
-
2016
- 2016-12-30 CN CN201621493046.2U patent/CN206470308U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645839A (en) * | 2016-12-30 | 2017-05-10 | 国网浙江省电力公司电力科学研究院 | Three-phase electric energy meter terminal box and three-phase electric energy meter containing the terminal box |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The eight district of Hangzhou city in Zhejiang province 310014 Huadian Zhaohui under No. 1 Lane Patentee after: STATE GRID ZHEJIANG ELECTRIC POWER COMPANY LIMITED ELECTRIC POWER Research Institute Patentee after: STATE GRID CORPORATION OF CHINA Patentee 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 Patentee before: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID ZHEJIANG ELECTRIC POWER Co. Patentee before: State Grid Corporation of China Patentee before: STATE GRID ZHEJIANG ELECTRIC POWER Co. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220321 Address after: 311100 Building 5, 138 Yunlian Road, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Marketing service center of State Grid Zhejiang Electric Power Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Patentee 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 Patentee before: STATE GRID ZHEJIANG ELECTRIC POWER COMPANY LIMITED ELECTRIC POWER Research Institute Patentee before: STATE GRID CORPORATION OF CHINA Patentee before: STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. |