CN212780944U - Portable test junction box - Google Patents
Portable test junction box Download PDFInfo
- Publication number
- CN212780944U CN212780944U CN202021253113.XU CN202021253113U CN212780944U CN 212780944 U CN212780944 U CN 212780944U CN 202021253113 U CN202021253113 U CN 202021253113U CN 212780944 U CN212780944 U CN 212780944U
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- Prior art keywords
- line pressing
- terminal
- wire
- wiring terminal
- base body
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- 238000012360 testing method Methods 0.000 title claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 86
- 230000004888 barrier function Effects 0.000 claims description 8
- 239000000615 nonconductor Substances 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 2
- 238000002788 crimping Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
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Abstract
The utility model discloses a portable testing junction box, which integrates a plurality of connecting terminals in an insulating base, each connecting terminal adopts a pressing part to quickly realize the clamping and the releasing of a wire, and simultaneously adopts a toggle switch to control the on-off between an incoming wire and an outgoing wire; in addition, the cam shifting block in each terminal is designed with a color which is consistent with the color of the sheath of the wire to be connected so as to distinguish each terminal. The utility model discloses security is high, easy operation, convenient and fast, not only can improve the work efficiency that the measurement personnel dress table connects the electricity, can judge the exactness and the standardization of wiring moreover fast, guarantee metering device's safety and stability operation.
Description
Technical Field
The utility model belongs to the technical field of the electric energy measurement technique and specifically relates to a portable test terminal box.
Background
The test junction box is an important component in the electric energy metering device and is applied to installation and replacement of the electric energy metering device. If the test junction box is not used properly, wiring errors or insecure wiring can be caused frequently, electric energy metering errors can be caused easily, even certain hidden dangers are left for subsequent operation, and personal safety is further influenced.
The test junction box of various types and models commonly used at present generally has the following disadvantages in the use process: 1. the connection and disconnection of all voltage wires and current wires are realized by screws, the compression joint of each wire requires at least two screws, and whether the screws are firmly compressed or not can not be ensured, so that the repeated inspection is needed, the time and labor are consumed for metering personnel, and the error is easy to occur; 2. the connection of the voltage incoming wire and the voltage outgoing wire and the connection of the current loop are realized by the elastic screws and the toggle connecting pieces, so that the contact area is small when the toggle connecting pieces are connected, the poor contact of the connecting wires is easy to cause, the test junction box is burnt, and the operation process is very complicated; 3. color marks of different colors are not formed in the test junction box, the color marks cannot be distinguished quickly in the wiring process, and wiring errors can be caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to remedy prior art's weak point, provide a security height, easy and simple to handle and help improving work efficiency's portable test terminal box.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a portable testing junction box comprises an insulating base and a wiring terminal arranged in the insulating base, wherein the insulating base is provided with a wire inlet hole and a wire outlet hole for the inlet and outlet of a wire connected to the wiring terminal;
the wiring terminal comprises a plurality of connectors;
the connector comprises a base body and a pressing part movably mounted at the end part of the base body, the base body is a non-conductor, a U-shaped groove is formed at the end part of the base body, the pressing part comprises a line pressing block, a connecting piece and a cam shifting block, the line pressing block is a conductor and can be inserted into the U-shaped groove in a matching mode, the connecting piece and the cam shifting block are non-conductors, one end of the connecting piece is fixedly connected with the line pressing block, the other end of the connecting piece penetrates through the base body and is hinged with a cam part at the front end of the cam shifting block, and the line pressing block can be driven to move in the U-shaped groove by shifting the cam shifting block so as;
the pressing part is an incoming line pressing part and an outgoing line pressing part which are respectively arranged at two ends of the base body and are matched with the corresponding U-shaped grooves;
the wiring terminals are divided into voltage wiring terminals and current wiring terminals;
the voltage wiring terminal comprises a connector, three incoming line pressing parts and an outgoing line pressing part are arranged in the connector, three line pressing blocks in the three incoming line pressing parts are electrically connected with each other, and the three line pressing blocks and the line pressing blocks in the outgoing line pressing parts are electrified and disconnected under the control of a toggle switch;
the current wiring terminal comprises three connectors, each of the three connectors is provided with an incoming line pressing part and an outgoing line pressing part, the incoming line pressing parts and the outgoing line pressing parts in each connector are electrically connected with each other, and each two adjacent connectors are respectively electrified and disconnected through control of a toggle switch.
Furthermore, the clamping surface of each wire pressing block, which is contacted with the wire, is provided with a spline tooth.
Furthermore, each wiring terminal is packaged in the insulating base through an insulating baffle respectively, wherein the wire pressing block in each wiring terminal is arranged on the inner side of the insulating baffle, and the cam shifting block and the toggle switch are arranged on the outer side of the insulating baffle.
Furthermore, the voltage wiring terminals comprise a U-phase voltage wiring terminal, a V-phase voltage wiring terminal, a W-phase voltage wiring terminal and a zero line voltage wiring terminal; the current wiring terminal comprises a U-phase current wiring terminal, a V-phase current wiring terminal and a W-phase current wiring terminal.
Furthermore, each cam shifting block in each wiring terminal is sleeved with an insulating sleeve, and the color of each insulating sleeve is consistent with the color of a wire connected to the wiring terminal where the insulating sleeve is located.
The utility model has the advantages that: the utility model provides a novel experimental terminal box of portable, its security is high, and easy operation, convenient and fast not only can improve the work efficiency that the measurement personnel dress table connects the electricity, can judge the exactness and the standardization of wiring moreover fast, guarantee metering device's safety and stability operation.
Drawings
In order that the advantages of the invention will be readily understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings. Understanding that these drawings depict only typical embodiments of the invention and are not therefore to be considered to be limiting of its scope, the invention will be described and explained with additional specificity and detail through the use of the accompanying drawings.
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the present invention without the insulating baffle;
FIG. 3 is a schematic perspective view of a wire pressing block of a wire outlet pressing part in a current wiring terminal in a clamping state;
fig. 4 is a schematic perspective view of a wire pressing block of a wire outlet pressing part in the current wiring terminal in a release state;
FIG. 5 is a schematic view of the internal structure of the base body of the current terminal;
fig. 6 is a schematic perspective view of the compressing portion of the present invention;
fig. 7 is a schematic perspective view of the incoming line pressing part of the voltage terminal installed on the first substrate;
fig. 8 is a schematic perspective view of a first substrate of the voltage terminal.
The device comprises an insulating base 1, a partition plate 101, a wire outlet hole 102, a base body 2, a groove 201U, a mounting hole 202, a first conducting strip 203, a first conducting strip 204, a second conducting strip 3, a pressing part 301, a wire pressing block 3011, a spline tooth 302, a connecting piece 303, a cam shifting block 303, a toggle switch 4 and an insulating baffle 5.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that embodiments of the invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring embodiments of the present invention.
In the following description, a detailed structure will be presented for a thorough understanding of embodiments of the invention. It is apparent that the implementation of the embodiments of the present invention is not limited to the specific details familiar to those skilled in the art. The following detailed description of the preferred embodiments of the invention, however, the invention is capable of other embodiments in addition to those detailed.
In the description of the present invention, the terms "inside", "outside", "longitudinal", "transverse", "up", "down", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention rather than requiring the present invention to be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1 and fig. 2, the utility model provides a pair of experimental terminal box of portable, including insulator foot 1 and install the binding post in insulator foot 1. The insulation base 1 is divided into a plurality of mounting grooves by a plurality of partition plates 101, each wiring terminal is mounted in the corresponding mounting groove, and the mounting mode can adopt clamping connection or adhesive connection; the insulating base 1 is also provided with a wire inlet hole and a wire outlet hole 102 for the inlet and outlet of a wire connected to the wiring terminal. The connecting terminals are divided into a voltage connecting terminal and a current connecting terminal, and as shown in fig. 1 and fig. 2, a U-phase voltage connecting terminal, a U-phase current connecting terminal, a V-phase voltage connecting terminal, a V-phase current connecting terminal, a W-phase voltage connecting terminal, a W-phase current connecting terminal and a zero line voltage connecting terminal are arranged from left to right in sequence.
The voltage wiring terminal and the current wiring terminal are both composed of a plurality of connectors. As shown in fig. 3, 4 and 6, the connector includes a base body 2 and a pressing portion 3 movably mounted at an end of the base body 2. The base body 2 is a non-conductor, a U-shaped groove 201 with a downward opening is formed at the end part of the base body 2, a mounting hole 202 used for assembling with the toggle switch 4 is further formed in the base body 2, and the mounting hole 202 is communicated with the U-shaped groove 201. The pressing part 3 comprises a line pressing block 301, a connecting piece 302 and a cam shifting block 303; the wire pressing block 301 is a conductor, and the wire pressing block 301 can be installed in the U-shaped groove 201 in a matching mode in a vertically moving mode; the connecting piece 302 and the cam shifting block 303 are non-conductors, the lower end of the connecting piece 302 is fixedly connected with the wire pressing block 301, the connecting piece 302 and the wire pressing block 301 can be welded, glued or fixed in an inserted mode, the upper end of the connecting piece 302 penetrates through the U-shaped groove 201 of the base body 2 to extend upwards and is hinged with the cam part at the front end of the cam shifting block 303 through a pin shaft, and the middle of the connecting piece 302 is provided with a through hole so that a lead can penetrate through the through hole to be connected with the toggle switch 4; the cam portion of cam shifting block 303 contacts with the upper end face of base member 2 and uses in cooperation, and it can order about connecting piece 302 to move down to stir cam shifting block 303 upwards to make line ball piece 301 keep away from U type groove 201, with the wire between the release, stirs cam shifting block 303 downwards and can order about connecting piece 302 and move up, and cam shifting block 303 locks on the upper end face of base member 2 simultaneously, with the wire clamp tightly between line ball piece 301 and U type groove 201. In order to enhance the connection strength between the lead and the pressing portion 3, a spline 3011 is designed on the upper end surface of the wire pressing block 301 to increase the friction between the lead and the wire pressing block 301.
The pressing part 3 is an incoming line pressing part and an outgoing line pressing part which are respectively arranged at two ends of the base body 2 and are matched with the corresponding U-shaped grooves 201.
As shown in fig. 1, 2, 7 and 8, the voltage connection terminal includes a connector, in which the base body 2 is designed to be split, and includes a first base body and a second base body, the first base body is provided with three incoming line pressing portions, and the second base body is provided with an outgoing line pressing portion. Three wire pressing blocks 301 in the three wire inlet pressing parts are electrically connected with each other, and are controlled by a toggle switch 4 to be powered on and off with the wire pressing blocks 301 in the wire outlet pressing parts; specifically, a first conductive sheet 203 is arranged inside the first base body, the first conductive sheet 203 penetrates through three U-shaped grooves 201 of the first base body, and three line pressing blocks 301 in three line-incoming pressing portions are all in contact with the first conductive sheet 203 in a clamping state and are electrically connected through the first conductive sheet 203. The operating principle of the toggle switch 4 is consistent with that of a disconnecting link and is used for controlling a channel of a circuit, preferably, the toggle switch 4 is a single-pole double-position two-gear side-shifting sliding switch, one end of the sliding switch is electrically connected with the first conducting strip 203, the other end of the sliding switch is electrically connected with the wire pressing block 301 in the wire outgoing pressing part, and the power-on and the power-off between the wire incoming wire and the wire outgoing wire of the voltage wiring terminal are realized through the sliding toggle switch 4.
In addition, as shown in fig. 1 and 2, the neutral voltage terminal may also be designed to include two connectors; one connector comprises a split type base body 2, an incoming line pressing part and an outgoing line pressing part; the other connector comprises a split type base body 2, two incoming line pressing parts and an outgoing line pressing part, wherein two line pressing blocks 301 in the two incoming line pressing parts are electrically connected.
As shown in fig. 1 to 5, the current connection terminal includes three connectors each provided with an incoming line pressing portion and an outgoing line pressing portion, wherein the incoming line pressing portion and the outgoing line pressing portion in each connector are electrically connected to each other. Specifically, a second conductive sheet 204 is arranged inside the substrate 2, the second conductive sheet 204 penetrates between two U-shaped grooves 201 of the substrate 2, and the two wire pressing blocks 301 in each connector are in contact with the second conductive sheet 204 in a clamping state and are electrically connected through the second conductive sheet 204. Three connectors in the same current wiring terminal are respectively defined as a first connector, a second connector and a third connector, and two toggle switches 4 are arranged in each current wiring terminal; one end of one toggle switch 4 is electrically connected with the second conducting strip 204 in the first connector, and the other end is electrically connected with the second conducting strip 204 in the second connector, so as to realize the electrification and disconnection between the first connector and the second connector; one end of the other toggle switch 4 is electrically connected with the second conducting strip 204 in the second connector, and the other end is electrically connected with the second conducting strip 204 in the third connector, so as to realize the connection and disconnection between the second connector and the third connector.
The utility model can realize the connection between the wire and each wiring terminal rapidly through the design of the compressing part 3; the on-off between the incoming wire and the outgoing wire can be quickly realized through the design of the toggle switch 4. The utility model discloses easy and simple to handle, connection stability is strong and work efficiency is high.
As shown in fig. 1, each terminal is provided with an insulating barrier 5, the insulating barrier 5 is used for separating a conductor from a non-conductor, specifically, the wire pressing block 301 is arranged inside the insulating barrier 5 and is encapsulated inside the insulating base 1 by the insulating barrier 5, and the cam shifting block 303 and the toggle switch 4 are arranged outside the insulating barrier 5, so as to facilitate the operation of personnel and improve the safety during the operation.
An insulating sleeve is sleeved on the cam shifting block 303 of each wiring terminal, and the color of each insulating sleeve is consistent with the color of a wire connected to the wiring terminal where the insulating sleeve is located. Specifically, the insulation sleeves on the U-phase voltage wiring terminal and the U-phase current wiring terminal are yellow, the insulation sleeves on the V-phase voltage wiring terminal and the V-phase current wiring terminal are green, the insulation sleeves on the W-phase voltage wiring terminal and the W-phase current wiring terminal are red, and the insulation sleeve on the zero-line voltage wiring terminal is black. Accordingly, the color of the body of the toggle switch 4 in each terminal can also be designed to coincide with the color of the insulating sleeve in the same terminal. Can distinguish each binding post fast through the sign of structural component and different colours, be favorable to improving the accuracy of wiring.
In summary, the present invention is not limited to the above embodiments, and those skilled in the art can provide other embodiments within the technical teaching of the present invention, but these embodiments are included in the scope of the present invention.
Claims (5)
1. A portable testing junction box comprises an insulating base and a wiring terminal arranged in the insulating base, wherein the insulating base is provided with a wire inlet hole and a wire outlet hole for the inlet and outlet of a wire connected to the wiring terminal; it is characterized in that the preparation method is characterized in that,
the wiring terminal comprises a plurality of connectors;
the connector comprises a base body and a pressing part movably mounted at the end part of the base body, the base body is a non-conductor, a U-shaped groove is formed at the end part of the base body, the pressing part comprises a line pressing block, a connecting piece and a cam shifting block, the line pressing block is a conductor and can be inserted into the U-shaped groove in a matching mode, the connecting piece and the cam shifting block are non-conductors, one end of the connecting piece is fixedly connected with the line pressing block, the other end of the connecting piece penetrates through the base body and is hinged with a cam part at the front end of the cam shifting block, and the line pressing block can be driven to move in the U-shaped groove by shifting the cam shifting block so as;
the pressing part is an incoming line pressing part and an outgoing line pressing part which are respectively arranged at two ends of the base body and are matched with the corresponding U-shaped grooves;
the wiring terminals are divided into voltage wiring terminals and current wiring terminals;
the voltage wiring terminal comprises a connector, three incoming line pressing parts and an outgoing line pressing part are arranged in the connector, three line pressing blocks in the three incoming line pressing parts are electrically connected with each other, and the three line pressing blocks and the line pressing blocks in the outgoing line pressing parts are electrified and disconnected under the control of a toggle switch;
the current wiring terminal comprises three connectors, each of the three connectors is provided with an incoming line pressing part and an outgoing line pressing part, the incoming line pressing parts and the outgoing line pressing parts in each connector are electrically connected with each other, and each two adjacent connectors are respectively electrified and disconnected through control of a toggle switch.
2. The handy test connection box of claim 1, wherein each of the crimping blocks has a clamping surface for contacting a wire and a spline tooth formed thereon.
3. The portable testing junction box of claim 1, wherein each of the terminals is enclosed in the insulating base through an insulating barrier, and the wire pressing block of each terminal is disposed on the inner side of the insulating barrier, and the cam shifting block and the toggle switch are disposed on the outer side of the insulating barrier.
4. The portable testing junction box of claim 1, wherein said voltage terminals comprise a U-phase voltage terminal, a V-phase voltage terminal, a W-phase voltage terminal, and a neutral voltage terminal; the current wiring terminal comprises a U-phase current wiring terminal, a V-phase current wiring terminal and a W-phase current wiring terminal.
5. The portable testing junction box of claim 4, wherein an insulating sleeve is sleeved on the cam shifting block of each junction terminal, and the color of each insulating sleeve is consistent with the color of a wire connected to the junction terminal on which the insulating sleeve is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021253113.XU CN212780944U (en) | 2020-06-30 | 2020-06-30 | Portable test junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021253113.XU CN212780944U (en) | 2020-06-30 | 2020-06-30 | Portable test junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212780944U true CN212780944U (en) | 2021-03-23 |
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ID=75086469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021253113.XU Active CN212780944U (en) | 2020-06-30 | 2020-06-30 | Portable test junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212780944U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113451961A (en) * | 2021-07-19 | 2021-09-28 | 广东电网有限责任公司 | Terminal box |
| CN114675057A (en) * | 2022-03-28 | 2022-06-28 | 云南电网有限责任公司电力科学研究院 | Experimental termination |
-
2020
- 2020-06-30 CN CN202021253113.XU patent/CN212780944U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113451961A (en) * | 2021-07-19 | 2021-09-28 | 广东电网有限责任公司 | Terminal box |
| CN114675057A (en) * | 2022-03-28 | 2022-06-28 | 云南电网有限责任公司电力科学研究院 | Experimental termination |
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