CN207650253U - A kind of Multifunctional measuring special junction box - Google Patents
A kind of Multifunctional measuring special junction box Download PDFInfo
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- CN207650253U CN207650253U CN201721906977.5U CN201721906977U CN207650253U CN 207650253 U CN207650253 U CN 207650253U CN 201721906977 U CN201721906977 U CN 201721906977U CN 207650253 U CN207650253 U CN 207650253U
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Abstract
The utility model is related to measure the technical field of electric energy utensil, more particularly, to a kind of Multifunctional measuring special junction box, including several voltage controling ends and current controling end, the current controling end is set between two groups of adjacent voltage controling ends；The voltage controling end includes T-type copper billet, the first voltage connection sheet for controlling electric energy meter decompression and the second voltage connection sheet for controlling negative pressure terminal decompression, and the first voltage connection sheet can be electrically connected with one end of the second connection sheet with T-type copper billet；The current controling end includes at least four the first vertical copper bars, and electric current connection sheet is equipped between the adjacent first vertical copper bar.Electric energy meter and load control terminal is separately controlled by the module of design voltage control terminal and current controling end in the utility model, and the metering loss generated because replacing meter is made to be reduced to zero；The wiring of the utility model is simple, cheer and bright, of less demanding to the technology of operating personnel, has good universality.
Description
Technical field
It is special more particularly, to a kind of Multifunctional measuring the utility model is related to measure the technical field of electric energy utensil
Terminal box.
Background technology
Measure the summation of measurement instrument and ancillary equipment necessary to electric energy, including electric energy meter, load management terminal, distribution transforming
Monitor terminal, centralized automatic meter-reading data collection station, centralized automatic meter-reading concentrator, metering cabinet, voltage transformer, current transformer, examination
Test terminal box and secondary circuit etc..Wherein, test connecting box is an important component of electric energy metering device, and all bands are mutual
The client of sensor must configure.According to《People's Republic of China's national metrological verification regulations》Requirement, in order to ensure computer
Electrical energy measurement accuracy, by massive quantity power supply and measurement client and high electric energy meter and load management terminal for client based on low every 6 years more
It changes primary.
Currently, in order to ensure the stability of electricity consumption, it is ensured that user can replace electric energy meter and energy when load management terminal
Normal electricity consumption, it is necessary to use metering experiment terminal box.However, current terminal box design, current loop short circuit, electric energy meter and
Negative control terminal all can no electric current flow through, cause measuring terminal when replacing meter that cannot normally measure, influence metering
Accuracy；For voltage circuit in flakes once opening, electric energy meter and negative control terminal all can decompressions；In addition, current terminal box, because of electric current
There are many kinds of setting methods for opening and closing in flakes, and operation maintenance personnel is caused to be easy to cause current loop to be opened a way because of general idea.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of Multifunctional measuring special junction box,
By the module of design voltage control terminal and current controling end, electric energy meter and load control terminal is separately controlled, makes because of replacement table
The metering loss counted and generated is reduced to zero.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of Multifunctional measuring special junction box is provided, is connected to electric energy meter, negative control terminal between circuit of registering one's residence, wiring
The bottom of box is equipped with the conductive screw of several regular arrangements；The terminal box includes several voltage controling ends and current controling end,
The current controling end is set between two groups of adjacent voltage controling ends；The voltage controling end includes T-type copper billet, for controlling
The first voltage connection sheet of electric energy meter decompression and second voltage connection sheet for controlling negative pressure terminal decompression, first electricity
Pressure connection sheet can be electrically connected with T-type copper billet with one end of second voltage connection sheet, the T-type copper billet, first voltage connection sheet,
The first connecting hole with the conductive screw cooperation is equipped in second voltage connection sheet；The current controling end includes at least four
The first vertical copper bar of item is equipped with electric current connection sheet, the first vertical copper bar, electric current connection between the adjacent first vertical copper bar
On piece is equipped with the second connecting hole with the conductive screw cooperation.
The Multifunctional measuring special junction box of the utility model, can be the electric current and voltage of electric energy meter and negative control terminal all
It is separately controlled：When needing replacing negative control terminal, it is only necessary to the second voltage connection sheet of control negative control terminal be opened, control
The electric current connection sheet short circuit of negative control terminal, electric energy meter can be worked with maintenance, realize that the electricity zero when replacing negative control terminal damages
Consumption；When needing replacing electric energy meter, it is only necessary to the first voltage connection sheet of control electric energy meter be opened, the electricity of control electric energy meter
Connection sheet short circuit is flowed, negative control terminal can be worked with maintenance, realize that the electricity zero when replacing electric energy meter is lost.
Further, the voltage controling end further includes two the second vertical copper bars, and conductive screw is distributed in described second
On vertical copper bar and T-type copper billet；The first voltage connection sheet, second voltage connection sheet be connected to the described second vertical copper bar and
Between T-type copper billet.Setting can realize that first voltage connection sheet is separately controlled electric energy meter and bears with second voltage connection sheet in this way
The working condition of control terminal.
Further, the voltage controling end is equipped with first voltage delivery outlet, second voltage delivery outlet and mutual with voltage
The voltage input of sensor connection, the first voltage delivery outlet, second voltage delivery outlet are electric with electric energy meter, negative control terminal respectively
Connection.Voltage circuit uses multi-channel control,
Further, the current controling end includes four vertical copper bars, and the first electricity is equipped between adjacent vertical copper bar
Flow connection sheet, the second electric current connection sheet and third electric current connection sheet；The second electric current connection sheet is located at normally off, described
First electric current connection sheet, third electric current connection sheet and conductive screw are detachably connected.It is more on the basis of traditional experiment terminal box
Add one piece of vertical copper bar as supplementary module, so that the current loop of electric energy meter and negative control terminal is separated independent.Work as work
When personnel need replacing electric energy meter, it is only necessary to the first electric current connection sheet be closed, the current loop of electric energy meter can be short
It picks up and, and do not interfere with the normal operation of terminal.And when staff needs replacing terminal, it is only necessary to third electric current
Connection sheet be closed, current loop will short circuit, the normal operation of electric energy meter will not be influenced.
Further, the current controling end is equipped with first port, second port, third port and the 4th port, institute
It states and forms the access that electric current flows through between first port, electric energy meter, second port, the third port, negative control terminal, the 4th port
Between formed current flowing access.It is connected by the second electric current connection sheet between second port and third port, electric current forms one
First flow into the series via that electric energy meter flows into negative control terminal again.First port connects electric energy meter one-in-and-one-out, third with second port
Port connects negative control terminal one-in-and-one-out with the 4th port, and wiring is simple, cheer and bright.
Further, the terminal box is the square structure of insulation, is set between the voltage controling end and current controling end
There is dielectric isolation layer.The setting of outer layer insulation ensures that the insulation of terminal box and other electrical equipments, the setting of dielectric isolation layer are kept away
Exempt from the influence between current controling end and voltage controling end.
Further, the terminal box is equipped with several binding posts for Watt-hour meter's field test, and binding post is set respectively
It sets in current controling end and voltage controling end.
Compared with prior art, the utility model has the beneficial effects that：
（1）The voltage circuit of the utility model uses multi-channel control, reaches independent multichannel is split up into per phase voltage circuit
The purpose of output；Current loop is designed using four-column type, and electric energy can normally be measured by reaching terminal table when on-load replaces electric energy meter,
Or electric energy meter also can normally measure the purpose of electric energy when on-load changes terminal table.
（2）One pressure-wire of voltage controling end of the utility model connects electric energy meter, a voltage section connects negative control terminal, current control
Two adjacent current lines are held to connect the series connection to be formed and first flow into electric energy meter and flow into negative control terminal again with electric energy change, negative control terminal respectively
Access, wiring is simple, cheer and bright, of less demanding to the technology of operating personnel.
Description of the drawings
Fig. 1 is the structural schematic diagram of the Multifunctional measuring special junction box of the utility model.
Fig. 2 is the wiring diagram of the Multifunctional measuring special junction box of the utility model.
Specific implementation mode
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；In this practicality
In novel description, it is to be understood that if there is the orientation or positional relationship of the instructions such as term "upper", "lower", "left", "right" to be
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore retouched in attached drawing
The term for stating position relationship only for illustration, should not be understood as the limitation to this patent, for the common skill of this field
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment 1
It is as shown in Figure 1 to Figure 2 the first embodiment of the Multifunctional measuring special junction box of the utility model, is connected to electricity
It can be between table, negative control terminal and circuit of registering one's residence, as shown in Figure 1, the bottom of terminal box is equipped with the conductive screw of several regular arrangements
1a, service wire road are equipped with current transformer and voltage transformer；Terminal box includes several voltage controling end 2a and current control
3a, current controling end 3a is held to be set between two groups of adjacent voltage controling end 2a；Voltage controling end 2a includes T-type copper billet 21a, uses
First voltage connection sheet 22a in control electric energy meter decompression and second voltage connection sheet for controlling negative pressure terminal decompression
23a, first voltage connection sheet 22a can be electrically connected with one end of second voltage connection sheet 23a with T-type copper billet 21a, T-type copper billet
21a, first voltage connection sheet 22a, the first connecting hole with conductive screw 1a cooperations is equipped on second voltage connection sheet 23a；
Current controling end 3a includes at least four the first vertical copper bar 31a, and being equipped with electric current between the adjacent first vertical copper bar 31a connects
Piece is equipped with the second connecting hole with conductive screw 1a cooperations on the first vertical copper bar 31a, electric current connection sheet.In the present embodiment
Terminal box be insulation square structure, between voltage controling end 2a and current controling end 3a be equipped with dielectric isolation layer；This implementation
Current controling end in example is equipped with several binding post 4a for field-checking with voltage controling end.
Wherein, voltage controling end 2a further includes two the second vertical copper bar 24a, and conductive screw 1a is distributed in the second vertical copper
On 24a and T-type copper billet 21a；First voltage connection sheet 22a, second voltage connection sheet 23a are connected to the second vertical copper bar 24a
Between T-type copper billet 21a；Voltage controling end 3a is equipped with first voltage delivery outlet, second voltage delivery outlet and and mutual induction of voltage
The voltage input of device connection, first voltage delivery outlet, second voltage delivery outlet are electrically connected with electric energy meter, negative control terminal respectively.
The terminal box of the present embodiment includes three groups of voltage controling ends, is respectively arranged below with and is separately connected A phase voltages line, B phases
The voltage input 1,6,11 of pressure-wire, C phase voltage lines, top be respectively equipped with first voltage delivery outlet 1-1,6-1,11-1 and
Second voltage delivery outlet 1-2,6-2,11-2, electric energy meter are equipped with A phase voltages terminal 2, B phase voltages terminal 5, C phase voltage terminals
8, negative control terminal be equipped with A phase voltages terminal 2, B phase voltages terminal 5, C phase voltages terminal 8, voltage input 1,6,11 respectively with
The A phase, B phase, C phase of voltage transformer is connected by pressure-wire, first voltage delivery outlet 1-1,6-1,11-1 respectively with electric energy meter
A phase voltages terminal 2, B phase voltages terminal 5, C phase voltages terminal 8 connected by pressure-wire, second voltage delivery outlet 1-2,6-2,
11-2 is connect with the A phase voltages terminal 2 of negative control terminal, B phase voltages terminal 5, C phase voltages terminal 8 by pressure-wire respectively.It replaces
When negative control terminal, second voltage delivery outlet 1-2,6-2,11-2 are arranged into corresponding second voltage connection sheet and disconnected, at negative control terminal
In the state of decompression；When replacing electric energy meter, the corresponding first voltage of first voltage delivery outlet 1-1,6-1,11-1 column is connected
Contact pin disconnects, and electric energy meter is in the state of decompression.
Wherein, current controling end 3a includes four the first vertical copper bar 31a, is set between the adjacent first vertical copper bar 31a
There are the first electric current connection sheet 32a, the second electric current connection sheet 33a and third electric current connection sheet 34a；Second electric current connection sheet 33a
Positioned at normally off, the first electric current connection sheet 32a, third electric current connection sheet 34a are detachably connected with conduction screw 1a；Electric current control
End 3a processed is equipped with first port, second port, third port and the 4th port, shape between first port, electric energy meter, second port
The access flowed through at electric current forms the access of current flowing between third port, negative control terminal, the 4th port.
The terminal box of the present embodiment includes two groups of current controling ends, and lower section is equipped with and is separately connected A phases and C phase current mutual inductors
S1 and S2 electric current input port 2,5,7,10, illustrated with A phases.Port 2 above terminal box connects the port of electric energy meter
1, the port 3 above terminal box connects the port 3 of electric energy meter, forms the access that an electric current flows through；Port 4 above terminal box
The port 1 of negative control terminal is connected, the port 5 above terminal box connects the port 3 of negative control terminal, and one electric current of formation flows through logical
Road.And thus to end, the second electric current connection sheet 33a keeps normally closed state, and electric current just forms one and first flows into electric energy meter to flow again
Enter the series via of negative control terminal.When needing replacing negative control terminal, third electric current connection sheet 34a is closed, the first electric current connects
Contact pin 32a is opened, at this point, electric current may not flow into negative control terminal, is equivalent to negative control terminal short circuit, replace negative control terminal when
It waits, Current Transformer Secondary side will not be caused to open a way because of dismounting current line；When needing replacing electric energy meter, by the first electric current
Connection sheet is closed, and third electric current connection sheet 34a is opened, at this point, electric current may not flow into electric energy meter, is equivalent to electric energy meter short circuit,
When replacing electric energy meter, Current Transformer Secondary side will not be caused to open a way because of dismounting current line.
Above-mentioned terminal box and the mode of connection of circuit of registering one's residence, negative control terminal, electric energy meter are suitable for two in the present embodiment
The mode of connection of road phase three-wire three circuit, but the present embodiment is not limited to two road phase three-wire three circuits, by increasing or decreasing electric current
The quantity and arrangement of control terminal and voltage controling end apply also for the electricity such as three road phase three-wire three circuits, three road three-phase and four-line circuits
Road.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made within the spirit and principle of the present invention etc., should be included in
Within the protection domain of the utility model claims.
Claims (7)
1. a kind of Multifunctional measuring special junction box is connected to electric energy meter, negative control terminal between circuit of registering one's residence, the terminal box
Bottom be equipped with the conductive screws of several regular arrangements, service wire road is equipped with current transformer and voltage transformer；Its
It is characterized in that, including several voltage controling ends and current controling end, the current controling end is set to two groups of adjacent voltage controls
Between end；The voltage controling end includes T-type copper billet, the first voltage connection sheet for controlling electric energy meter decompression and for controlling
The second voltage connection sheet of negative pressure terminal decompression processed, one end of the first voltage connection sheet and second voltage connection sheet can be with
T-type copper billet is electrically connected, and the T-type copper billet, first voltage connection sheet are equipped in second voltage connection sheet and the conductive screw
First connecting hole of cooperation；The current controling end include at least four the first vertical copper bars, the adjacent first vertical copper bar it
Between be equipped with electric current connection sheet, second with the conductive screw cooperation is equipped on the first vertical copper bar, electric current connection sheet
Connecting hole.
2. Multifunctional measuring special junction box according to claim 1, which is characterized in that the voltage controling end further includes
Two the second vertical copper bars, conductive screw are distributed on the described second vertical copper bar and T-type copper billet；The first voltage connection
Piece, second voltage connection sheet are connected between the described second vertical copper bar and T-type copper billet.
3. Multifunctional measuring special junction box according to claim 2, which is characterized in that the voltage controling end is equipped with the
One voltage output, second voltage delivery outlet and the voltage input being connect with voltage transformer, the first voltage output
Mouth, second voltage delivery outlet are electrically connected with electric energy meter, negative control terminal respectively.
4. Multifunctional measuring special junction box according to claim 1, which is characterized in that the current controling end includes four
The vertical copper bar of item is equipped with the first electric current connection sheet, the second electric current connection sheet and third electric current between adjacent vertical copper bar and connects
Contact pin；The second electric current connection sheet is located at normally off, the first electric current connection sheet, third electric current connection sheet and conductive spiral shell
Silk is detachably connected.
5. Multifunctional measuring special junction box according to claim 4, which is characterized in that the current controling end is equipped with the
Single port, second port, third port and the 4th port form electric current stream between the first port, electric energy meter, second port
The access of warp forms the access of current flowing between the third port, negative control terminal, the 4th port.
6. Multifunctional measuring special junction box according to any one of claims 1 to 5, which is characterized in that the terminal box
For the square structure of insulation, dielectric isolation layer is equipped between the voltage controling end and current controling end.
7. Multifunctional measuring special junction box according to any one of claims 1 to 5, which is characterized in that the terminal box
It is equipped with several binding posts for Watt-hour meter's field test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721906977.5U CN207650253U (en) | 2017-12-29 | 2017-12-29 | A kind of Multifunctional measuring special junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721906977.5U CN207650253U (en) | 2017-12-29 | 2017-12-29 | A kind of Multifunctional measuring special junction box |
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| Publication Number | Publication Date |
|---|---|
| CN207650253U true CN207650253U (en) | 2018-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721906977.5U Active CN207650253U (en) | 2017-12-29 | 2017-12-29 | A kind of Multifunctional measuring special junction box |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361575A (en) * | 2019-08-28 | 2019-10-22 | 广东电网有限责任公司 | A kind of terminal box |
| CN111564799A (en) * | 2020-05-18 | 2020-08-21 | 广东电网有限责任公司 | Electric energy combined junction box |
| CN112649662A (en) * | 2020-12-02 | 2021-04-13 | 贵州电网有限责任公司 | Distribution network line fault metering device based on voltage characteristics |
| CN112924733A (en) * | 2021-01-29 | 2021-06-08 | 广东电网有限责任公司 | Junction box and metering device |
| CN113466513A (en) * | 2021-05-31 | 2021-10-01 | 国网浙江海盐县供电有限公司 | Wiring-free assembled electric energy meter wiring box |
| CN114280342A (en) * | 2021-12-23 | 2022-04-05 | 广东电网有限责任公司 | Test junction box and method for replacing electric energy metering device |
-
2017
- 2017-12-29 CN CN201721906977.5U patent/CN207650253U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361575A (en) * | 2019-08-28 | 2019-10-22 | 广东电网有限责任公司 | A kind of terminal box |
| CN111564799A (en) * | 2020-05-18 | 2020-08-21 | 广东电网有限责任公司 | Electric energy combined junction box |
| CN112649662A (en) * | 2020-12-02 | 2021-04-13 | 贵州电网有限责任公司 | Distribution network line fault metering device based on voltage characteristics |
| CN112924733A (en) * | 2021-01-29 | 2021-06-08 | 广东电网有限责任公司 | Junction box and metering device |
| CN113466513A (en) * | 2021-05-31 | 2021-10-01 | 国网浙江海盐县供电有限公司 | Wiring-free assembled electric energy meter wiring box |
| CN114280342A (en) * | 2021-12-23 | 2022-04-05 | 广东电网有限责任公司 | Test junction box and method for replacing electric energy metering device |
| CN114280342B (en) * | 2021-12-23 | 2023-08-11 | 广东电网有限责任公司 | Test junction box and method for replacing electric energy metering device |
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