CN218848220U - Joint junction box - Google Patents
Joint junction box Download PDFInfo
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- CN218848220U CN218848220U CN202221626269.7U CN202221626269U CN218848220U CN 218848220 U CN218848220 U CN 218848220U CN 202221626269 U CN202221626269 U CN 202221626269U CN 218848220 U CN218848220 U CN 218848220U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model belongs to the technical field of the terminal box, concretely relates to joint junction box, include: a voltage terminal plate including a first current terminal, a second current terminal, a third current terminal, and a fourth current terminal; the first current terminal and the second current terminal are connected through a first current link, and the third current terminal and the fourth current terminal are connected through a second current link; the second current terminal and the third current terminal are connected through a third current link; a current terminal board comprising a first voltage terminal, a second voltage terminal, a third voltage terminal, a fourth voltage terminal; the fourth voltage terminal is connected to the first voltage terminal, the second voltage terminal, and the third voltage terminal through a first voltage tab and a second voltage tab.
Description
Technical Field
The utility model belongs to the technical field of the terminal box, concretely relates to joint junction box.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
In the process of replacing the electric energy meter, in order to reduce the loss caused by power failure, the operation of replacing the electric energy meter without power failure is generally adopted. In the process of replacing the electric energy meter in a charged manner, in order to avoid the risk of open circuit of a current transformer or short circuit of a voltage transformer, meter replacement operation is carried out in a mode of connecting short-circuit current and disconnection voltage of a joint junction box; however, the electric energy meter stops metering in a short time, and the problems of low electricity consumption of the user and low electricity consumption of the power generation client are caused. According to the inventor, although the conventional three-phase three-wire combined junction box and the conventional three-phase four-wire combined junction box can realize the operation of replacing the electric energy meter without power outage, the function of metering the electric quantity while the power outage is not stopped cannot be met.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a joint junction box through increasing current terminal and voltage terminal, does not have no table measuring time at the in-process that whole electric energy meter changed, realizes seamless measurement change electric energy meter.
According to some embodiments, the utility model discloses a scheme provides a joint junction box, adopts following technical scheme:
a joint junction box comprising:
a current terminal plate comprising a first current terminal, a second current terminal, a third current terminal and a fourth current terminal; the first current terminal and the second current terminal are connected by a first current link, and the third current terminal and the fourth current terminal are connected by a second current link; the second current terminal and the third current terminal are connected through a third current link;
a voltage terminal board comprising a first voltage terminal, a second voltage terminal, a third voltage terminal, a fourth voltage terminal; the fourth voltage terminal is connected to the first voltage terminal, the second voltage terminal, and the third voltage terminal through a first voltage link and a second voltage link.
As a further technical limitation, the first current terminal includes a first current upper terminal and a first current lower terminal; the first current upper terminal and the first current lower terminal are electrically connected.
Further, the second current terminal comprises a second current upper terminal and a second current lower terminal; the second current upper terminal and the second current lower terminal are electrically connected.
Further, the third current terminal includes a third current upper terminal and a third current lower terminal; the third current upper terminal and the third current lower terminal are electrically connected to each other.
Further, the fourth current terminal includes a fourth current upper terminal and a fourth current lower terminal; the fourth current upper terminal and the fourth current lower terminal are electrically connected to each other.
Further, the first current upper terminal, the second current upper terminal, the third current upper terminal and the fourth current upper terminal are all disposed on one side of the current wiring board, and the first current lower terminal, the second current lower terminal, the third current lower terminal and the fourth current lower terminal are all disposed on the other side of the current wiring board.
Further, the first current link, the second current link, and the third current link are disposed on a current connection board between the first current upper terminal, the second current upper terminal, the third current upper terminal, and the fourth current upper terminal and between the first current lower terminal, the second current lower terminal, the third current lower terminal, and the fourth current lower terminal.
As a further technical limitation, the first voltage terminal, the second voltage terminal and the third voltage terminal are all disposed on one side of the voltage wiring board; the fourth voltage terminal is disposed on the other side of the voltage terminal plate.
As a further technical limitation, the first voltage lug and the second voltage lug are both disposed on a voltage terminal block between the first voltage terminal and the fourth voltage terminal.
As a further technical limitation, the first current tab, the second current tab, the third current tab, the first voltage tab and the second voltage tab each comprise an open state and a connected state.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a change the quantity that current terminal, electric current link piece, voltage terminal and voltage link piece, have the risk of opening a way or press the short circuit risk when having overcome parallelly connected electric current line, voltage line, realized the change electric energy meter that does not have a power failure, does not stop the measurement.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic structural diagram of a joint junction box in an embodiment of the present invention;
the power supply comprises a voltage terminal board 1, a voltage terminal board 11, a first voltage terminal 12, a second voltage terminal 13, a third voltage terminal 14, a fourth voltage terminal 15, a first voltage connecting piece 16, a second voltage connecting piece 2, a current terminal board 21, a first current upper terminal 22, a second current upper terminal 23, a third current upper terminal 24, a fourth current upper terminal 25, a first current lower terminal 26, a second current lower terminal 27, a third current lower terminal 28, a fourth current lower terminal 29, a first current connecting piece 210, a second current connecting piece 211 and a third current connecting piece.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, the terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only the terms determined for convenience of describing the structural relationship of each component or element of the present invention, and are not specific to any component or element of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and may be fixedly connected, or may be integrally connected or detachably connected; may be directly connected or indirectly connected through an intermediate. The meaning of the above terms in the present invention can be determined according to specific situations by persons skilled in the art, and should not be construed as limiting the present invention.
Examples
The embodiment of the utility model provides a joint junction box is introduced.
A junction box as shown in fig. 1 includes a voltage terminal plate 1 and a current terminal plate 2.
In this embodiment, the joint junction box is used for replacing a three-phase electric meter, the arrangement of each phase is consistent, and the embodiment is described by taking any phase as an example.
Specifically, the voltage wiring board 1 is provided with a first voltage terminal 11, a second voltage terminal 12, a third voltage terminal 13, a fourth voltage terminal 14, a first voltage connecting piece 15 and a second voltage connecting piece 16; wherein the first voltage terminal 11, the second voltage terminal 12 and the third voltage terminal 13 are arranged on one side of the voltage terminal board 1, and the second fourth voltage terminal 14 is arranged on the other side of the voltage terminal board 1; the first voltage lug 15 and the second voltage lug 16 are each used for connecting voltage terminals arranged on both sides of the voltage terminal board 1, i.e. for connecting the fourth voltage terminal 14 to the first voltage terminal 11, the second voltage terminal 12 and the third voltage terminal 13.
The current wiring board 2 is provided with a first current upper terminal 21, a second current upper terminal 22, a third current upper terminal 23, a fourth current upper terminal 24, a first current lower terminal 25, a second current lower terminal 26, a third current lower terminal 27, a fourth current lower terminal 28, a first current connecting piece 29, a second current connecting piece 210 and a third current connecting piece 211; wherein, the first current upper terminal 21 and the first current lower terminal 25, the second current upper terminal 22 and the second current lower terminal 26, the third current upper terminal 23 and the third current lower terminal 27, and the fourth current upper terminal 24 and the fourth current lower terminal 28 are electrically connected; the first current upper terminal 21, the second current upper terminal 22, the third current upper terminal 23 and the fourth current upper terminal 24 are all provided on one side of the current wiring board 2, and the first current lower terminal 25, the second current lower terminal 26, the third current lower terminal 27 and the fourth current lower terminal 28 are all provided on the other side of the current wiring board 2; the first current link 29, the second current link 210 and the third current link 21 are each provided on the current wiring board 2 between the first current upper terminal 21, the second current upper terminal 22, the third current upper terminal 23 and the fourth current upper terminal 24 and the first current lower terminal 25, the second current lower terminal 26, the third current lower terminal 27 and the fourth current lower terminal 28.
The first current upper terminal 21 and the first current lower terminal 25 constitute a first current terminal, the second current upper terminal 22 and the second current lower terminal 26 constitute a second current terminal, the third current upper terminal 23 and the third current lower terminal 27 constitute a third current terminal, and the fourth current upper terminal 24 and the fourth current lower terminal 28 constitute a fourth current terminal; the first current tab 29 is used to connect the first current terminal to the second current terminal, the second current tab 210 is used to connect the third current terminal to the fourth current terminal, and the third current tab 211 is used to connect the second current terminal to the third current terminal.
It will be appreciated that the first current tab 29, the second current tab 210, the third current tab 211, the first voltage tab 15 and the second voltage tab 16 each comprise two states, an off state and an on state.
When the electric energy meter is installed, a current inlet wire of the electric energy meter is connected with the second current upper terminal 22 and the third current upper terminal 23 in the combined junction box, at the moment, the first current connecting piece 29, the second current connecting piece 210, the third current connecting piece 211 and the second voltage connecting piece 16 are all in a disconnected state, and the first voltage connecting piece 15 is in a connected state.
When the electric energy meter is replaced, a new electric energy meter is connected with the first current upper terminal 21 and the fourth current upper terminal 24 in the combined junction box, the first current connecting piece 29, the second current connecting piece 210 and the second voltage connecting piece 16 are all set to be in a connected state, and the third current connecting piece 211 is set to be in a disconnected state; at the moment, the new electric energy meter and the old electric energy meter simultaneously measure the electric energy, and the sum of the two electric energy meters is measured correctly because the voltage and the current are connected in parallel. And after the new electric energy meter is installed, the old electric energy meter is dismantled, the new electric energy meter starts to measure at the moment, the stop code of the old electric energy meter is recorded, the new electric energy meter is fixed at the installation position of the old electric energy meter, the meter-free metering time does not exist in the whole replacing process, and the seamless metering and replacing of the electric energy meter are realized.
This embodiment is through changing the quantity that current terminal, electric current link piece, voltage terminal and voltage link piece, has the risk of opening a way or presses the short circuit risk when having overcome parallelly connected electric current line, voltage line, has realized the change electric energy meter that does not have the power failure, does not stop the measurement.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A joint junction box, comprising:
a current terminal plate including a first current terminal, a second current terminal, a third current terminal, and a fourth current terminal; the first current terminal and the second current terminal are connected by a first current link, and the third current terminal and the fourth current terminal are connected by a second current link; the second current terminal and the third current terminal are connected through a third current link;
a voltage terminal board comprising a first voltage terminal, a second voltage terminal, a third voltage terminal, a fourth voltage terminal; the fourth voltage terminal is connected to the first voltage terminal, the second voltage terminal, and the third voltage terminal through a first voltage link and a second voltage link.
2. A joint junction box as claimed in claim 1, wherein said first current terminal comprises a first current upper terminal and a first current lower terminal; the first current upper terminal and the first current lower terminal are electrically connected.
3. A junction box according to claim 2, wherein said second current terminal includes a second current upper terminal and a second current lower terminal; the second current upper terminal and the second current lower terminal are electrically connected.
4. A junction box according to claim 3, wherein said third current terminal includes a third current upper terminal and a third current lower terminal; the third current upper terminal and the third current lower terminal are electrically connected to each other.
5. A joint junction box as claimed in claim 4, wherein said fourth current terminal comprises a fourth upper current terminal and a fourth lower current terminal; the fourth current upper terminal and the fourth current lower terminal are electrically connected to each other.
6. A junction box according to claim 5, wherein said first current upper terminal, said second current upper terminal, said third current upper terminal and said fourth current upper terminal are provided on one side of said current terminal plate, and said first current lower terminal, said second current lower terminal, said third current lower terminal and said fourth current lower terminal are provided on the other side of said current terminal plate.
7. A junction box according to claim 6, wherein said first current tab, said second current tab and said third current tab are each provided on a current terminal plate between said first current upper terminal, said second current upper terminal, said third current upper terminal and said fourth current upper terminal and said first current lower terminal, said second current lower terminal, said third current lower terminal and said fourth current lower terminal.
8. A joint junction box as claimed in claim 1, wherein said first voltage terminal, said second voltage terminal and said third voltage terminal are all provided on one side of said voltage terminal block; the fourth voltage terminal is disposed on the other side of the voltage terminal plate.
9. A joint junction box as claimed in claim 1, wherein said first voltage lug and said second voltage lug are each disposed on a voltage terminal plate between said first voltage terminal and said fourth voltage terminal.
10. A gang junction box as in claim 1 wherein said first current tab, said second current tab, said third current tab, said first voltage tab and said second voltage tab each comprise an open state and a connected state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221626269.7U CN218848220U (en) | 2022-06-27 | 2022-06-27 | Joint junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221626269.7U CN218848220U (en) | 2022-06-27 | 2022-06-27 | Joint junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218848220U true CN218848220U (en) | 2023-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221626269.7U Active CN218848220U (en) | 2022-06-27 | 2022-06-27 | Joint junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218848220U (en) |
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2022
- 2022-06-27 CN CN202221626269.7U patent/CN218848220U/en active Active
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