CN216411384U - Auxiliary line device for single-phase test of electric power measurement - Google Patents
Auxiliary line device for single-phase test of electric power measurement Download PDFInfo
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- CN216411384U CN216411384U CN202122946015.5U CN202122946015U CN216411384U CN 216411384 U CN216411384 U CN 216411384U CN 202122946015 U CN202122946015 U CN 202122946015U CN 216411384 U CN216411384 U CN 216411384U
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Abstract
The utility model relates to an auxiliary line device for a single-phase test of power metering, which comprises a shell, wherein a first square groove is arranged in the shell, two voltage terminal holes are arranged in the first square groove and used for fixing a voltage terminal on the shell, a voltage terminal used for leading out epitope current to be connected is arranged at the upper end of the voltage terminal, a second square groove is arranged right above the shell, two current terminal holes are arranged in the second square groove and used for fixing the current terminal on the shell, the current terminal penetrates through the shell from the second square groove above the shell, a voltage line in the shell is connected to the voltage terminal by a voltage terminal connecting line penetrating through the square hole in the first square groove and is fixed with the voltage terminal and the voltage line by nuts, a current line in the shell is connected to the current terminal by the current terminal connecting line, the current terminal and the current line are fixed by nuts, and screw holes are distributed around the shell, used for fixing the shell and the bottom shell. The utility model has simple operation and can carry out quick wiring.
Description
Technical Field
The utility model relates to an auxiliary line device for a power metering single-phase test.
Background
Aiming at the annual inspection and tracing of the performance of the electric power calibrating device, the device controls the source with an automatic production line and a test bed, and carries out accurate data measurement on a measuring instrument, the annual inspection and tracing is an instrument-free on-load test, and the circuit switching is carried out inside a platform body to change the execution path to carry out measurement, so that the whole working efficiency is greatly influenced.
Disclosure of Invention
The utility model aims to provide an auxiliary line device for a power metering single-phase test, which is reasonable in structure and simple and convenient to operate, can be used for quickly connecting a power metering single-phase test epitope, and improves the detection efficiency and the data accuracy.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an auxiliary line device for an electric power metering single-phase test comprises a shell, wherein a first square groove is arranged in the shell, two voltage terminal holes are arranged in the first square groove and used for fixing a voltage terminal on the shell, a voltage terminal used for leading out epitope current to a wiring is arranged at the upper end of the voltage terminal, a second square groove is arranged right above the shell, two current terminal holes are arranged in the second square groove and used for fixing the current terminal on the shell, the current terminal penetrates through the shell from the second square groove above the shell, a voltage line in the shell is connected to the voltage terminal by a voltage wiring row end wire penetrating through the square hole in the first square groove, the voltage terminal and the voltage line are fixed through nuts, an electric current line in the shell is connected to the electric current terminal by the current wiring row end wire, the electric current terminal and the electric current line are fixed through the nuts, and screw holes are distributed around the shell, used for fixing the shell and the bottom shell.
Furthermore, a voltage wiring terminal and a current wiring terminal are arranged on the shell, the voltage wiring terminal on the shell is provided with an anti-slip rib, a cylinder thread is arranged inside the anti-slip rib, the current wiring terminal on the bottom shell is a banana socket, and a voltage wiring terminal hole and a current wiring terminal hole are also formed in the lower portion of the bottom shell.
Further, the auxiliary line device of the electric power metering single-phase test device comprises two metal short connection pieces, wherein the two metal short connection pieces are respectively arranged in the two electric connection line terminal holes and are fixed on the bottom shell through two vertical screws and penetrate through the electric connection line terminal holes, the two current connection terminal holes are respectively provided with one metal short connection piece, and the metal short connection pieces are respectively fixed on the bottom shell through two vertical screws and penetrate through the current connection terminal holes.
Furthermore, the aperture of the electric pressure connection terminal hole and the aperture of the current connection terminal hole are both larger than that of the external pressure connection column.
Furthermore, the inner walls of the electric connection terminal hole and the current terminal hole are provided with copper sheets.
Further, the voltage line is the stranded copper line, and both ends all use copper aluminium binding post to carry out the crimping fixed and adopt the screw will copper aluminium binding post is fixed with the voltage connection terminal row.
Furthermore, the current line is a multi-strand copper line, and both ends of the current line are fixed by crimping using copper-aluminum wiring terminals and fixed with the current wiring bar by screws.
Furthermore, the voltage wiring terminal is fixed in a voltage terminal hole in the first square groove of the shell, and the copper-aluminum wiring terminal of the voltage line is fixed in the voltage wiring terminal at the inner side of the shell and fixed by screws.
Furthermore, the current wiring terminal is fixed in a current terminal hole of the shell, and the current wire copper-aluminum wiring terminal is fixed in the current wiring terminal on the inner side of the shell and fixed by screws.
Furthermore, the shell and the bottom shell are provided with an electric connection terminal hole, a current connection terminal hole, a metal short connecting sheet, a hexagonal pure copper terminal, a multi-strand pure copper wire, a large-current multi-strand pure copper wire, a copper-aluminum wiring terminal, a voltage wiring terminal, a current wiring terminal and a device screw fixing column, and the bottom shell and the shell are connected through screws.
The utility model has the following beneficial effects: reasonable structure, easy and simple to handle can carry out quick wiring to the single-phase experimental epitope of electric power measurement, improves detection efficiency and data accuracy.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a voltage-current terminal block according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a housing according to an embodiment of the present invention;
FIG. 5 is a schematic side view of an embodiment of the present invention;
FIG. 6 is a front elevational view of an embodiment of the utility model;
FIG. 7 is a schematic diagram of a voltage terminal structure according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a current terminal structure according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a bottom case according to an embodiment of the utility model.
Illustration of the drawings:
100-a housing; 110-a first square groove; 120-a second square groove; 200-a bottom shell; 201-screw fixing column; 202-screw fixing column; 210-voltage/current incoming terminal holes; 211-voltage/current incoming line bank end; 212-voltage/current inlet shorting tab; 220-current outlet row end; 221-current outlet line bank end; 222-current outlet shorting tab; 230-voltage outlet terminal hole; 231-voltage outlet line bank end; 232-voltage outlet short connecting piece; 300-voltage incoming wiring terminal; 301-voltage terminal fixing nut; 302-anti-skid ribs; 303-voltage extension port; 310-voltage incoming line; 311-voltage incoming line copper-aluminum wiring terminal; 320-voltage outlet; 321-a voltage outgoing line copper aluminum wiring terminal; 340-voltage outlet wiring terminals; 350-voltage incoming line terminal hole; 351-voltage inlet terminal; 360-voltage outlet terminal hole; 361-voltage outlet terminal; 401-fixing a hexagon nut at the bottom layer; 402-a conductive gasket; 403-fixing a hexagon nut at the middle layer; 404-current post insulating bottom; 405-current post knob; 406-banana jack; 400-current outlet column; 410-current inlet wire; 411-current incoming line copper aluminum wiring terminal; 420-current outlet; 421-current outlet copper aluminum wiring terminal; 440-current inlet leg; 450-current incoming terminal hole; 460-current outlet terminal holes; 451-current inlet terminal; 461-current outlet terminal.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
The following are only preferred embodiments of the present invention, and the scope of the present invention is not limited to the following examples, and all technical solutions belonging to the idea of the present invention belong to the scope of the present invention.
Referring to the attached drawings 1-9 of the specification, an auxiliary line device for an electric power metering single-phase test comprises a shell 100, a first square groove 110 is arranged at the lower left of the shell 100, two voltage terminal holes 350 and 360 are arranged in the first square groove and used for fixing voltage terminals 300 and 340 on the shell 100, the upper end of each voltage terminal is provided with a voltage terminal 300 and 340 used for leading out epitope current to be wired, a second square groove 120 is arranged right above the shell, two current terminal holes 450 and 460 are arranged in the second square groove 120 and used for fixing the current terminals 400 and 440 on the shell 100, the current terminals 400 and 440 penetrate through the shell 100 from the second square groove 120 above the shell and are used for convenient wiring during device detection, and voltage lines 310 and 320 in the shell 100 are arranged from a voltage inlet line row end 211 and a voltage outlet row end 231 through the square holes in the first square groove 110 and connected to a voltage inlet line terminal 351, The voltage outlet terminal 361 fixes the voltage inlet terminal 300, the voltage outlet terminal 340, the voltage inlet terminal 310 and the voltage outlet terminal 320 through the voltage terminal fixing nut 301, the current inlet terminal 410 and the current outlet terminal 420 in the shell are connected to the current inlet terminal 451 and the current outlet terminal 461 through the current connecting and discharging end 211 and the current outlet connecting and discharging end 221, the current outlet post 400, the current inlet post 440, the current inlet terminal 410 and the current outlet terminal 420 are fixed through the hexagon nut 401, and screw holes 201 and 202 are distributed around the shell for fixing the shell 100 and the bottom shell 200.
In this embodiment, a voltage incoming line terminal 300 and a voltage outgoing line terminal 340 are arranged outside the casing 100, the surface of the casing is provided with an anti-slip rib 302, the inside of the casing is provided with a voltage extension port 303 for fixing a voltage incoming line 310 and a voltage outgoing line 320, the casing 100 is provided with current terminals 400 and 440 for fixing current lines 410 and 420, and the lower part of the bottom casing is provided with voltage connection terminal holes 210 and 230 and current connection terminal holes 210 and 220 for conveniently butting with a pressure gauge seat and enabling a power supply on the pressure gauge seat to flow to a device.
In this embodiment, the two voltage incoming line terminal holes 210 and the voltage outgoing line terminal hole 230 are respectively provided with two metal shorting tab voltage incoming line shorting tabs 212 and a voltage outgoing line shorting tab 232, and are respectively fixed on the bottom case through two vertical screws and penetrate through the voltage incoming line terminal hole 210 and the voltage outgoing line terminal hole 230, the two current incoming line terminal holes 210 and the current outgoing line terminal hole 220 are respectively provided with a current incoming line shorting tab 212 and a current outgoing line shorting tab 222, and are respectively fixed on the bottom case through two vertical screws and penetrate through the current incoming line terminal hole 210 and the current outgoing line terminal hole 220.
In this embodiment, the terminal block guides the voltage and current of the meter hanging base from the voltage/current inlet terminal hole 210, the current outlet terminal hole 220, and the current outlet terminal hole 230, and when the terminal block works, the voltage outlet shorting tabs 212, 222, and 232 guide the power supply from the voltage meter base to the voltage inlet 310, the voltage outlet 320, the current inlet 410, and the current outlet 420 to output the power supply, which is beneficial to improving the stability of the power supply of the device and the accuracy of the device detection.
In this embodiment, the voltage lines 310 and 320 are made of multi-strand copper wires, and both ends of the voltage lines are fixed by pressing copper- aluminum connecting terminals 311 and 321 and fixed by fixing the voltage terminal fixing nut 301 to fix the voltage wire-inlet copper-aluminum connecting terminal 311, the voltage wire-outlet copper-aluminum connecting terminal 321, the voltage wire-inlet line terminal 211 and the voltage wire-outlet line terminal 231.
In this embodiment, the current incoming wire 410 and the current outgoing wire 420 are made of a large-current professional multi-strand copper wire, both ends of the copper- aluminum wiring terminal 411 and 421 are fixed by crimping, and the copper- aluminum terminal 411 and 421 and the current wiring terminal 211 and 221 are fixed by a hexagonal pure copper nut 401.
In this embodiment, the voltage terminals 351 and 361 are fixed in the voltage terminal holes in the first square groove 110 of the casing 100, and the copper- aluminum terminals 311 and 321 of the voltage line are fixed in the voltage terminals 300 and 340 inside the casing 100 and fixed by the voltage terminal fixing nuts 301. The current post is fixed with the front of the watch case 100 through the banana jack 406, the current post knob 405, the current post insulating bottom 404 and the middle layer hexagonal fixing nut 403, the whole current posts 400 and 440 are fixed on the front of the case 100 through the bottom layer hexagonal fixing nut 401 by the conductive gasket 402 extending to the bottom of the watch case, and the wiring mode is changed into knob type and banana jack type wiring.
In this embodiment, the housing 100 and the bottom case 200 are provided with electric voltage connection terminal holes 220 and 230, current connection terminal holes 210 and 220, metal short tabs 212, 222 and 232, a voltage terminal fixing nut 301, a current terminal fixing nut 401, a multi-strand pure copper wire 310 and 320, a large-current multi-strand pure copper wire 410 and 420, copper and aluminum connection terminals 311, 321, 411 and 421, voltage connection terminals 300 and 340, current connection terminals 400 and 440, and device screw fixing posts 201 and 202, which are all connected to the bottom case 200 and the housing 100 through screws.
Claims (10)
1. An auxiliary line device for an electric power metering single-phase test is characterized by comprising a shell, wherein a first square groove is arranged in the shell, two voltage terminal holes are arranged in the first square groove and used for fixing a voltage terminal on the shell, a voltage terminal used for leading out epitope current to be connected is arranged at the upper end of the voltage terminal, a second square groove is arranged right above the shell, two current terminal holes are arranged in the second square groove and used for fixing the current terminal on the shell, the current terminal penetrates through the shell from the second square groove above the shell, a voltage line in the shell penetrates through the square hole in the first square groove by a voltage terminal connecting line to be connected to the voltage terminal, the voltage terminal and the voltage line are fixed by nuts, an electric current line in the shell is connected to the electric current terminal by the current terminal connecting line, the current terminal and the electric current line are fixed by nuts, and screw holes are distributed around the shell, used for fixing the shell and the bottom shell.
2. The electric power metering single-phase test auxiliary line device according to claim 1, characterized in that: the shell is provided with a voltage wiring terminal and a current wiring terminal, the voltage wiring terminal on the shell is provided with an anti-slip rib, the interior of the shell is provided with a cylinder thread, the current wiring terminal on the bottom shell is a banana socket, and the lower part of the bottom shell is also provided with a voltage wiring terminal hole and a current wiring terminal hole.
3. The electric power metering single-phase test auxiliary line device according to claim 1, characterized in that: the auxiliary wire device of the electric power metering single-phase test device comprises an electric connection terminal hole and a current connection terminal hole, wherein two metal short connecting pieces are arranged in the two electric connection terminal holes respectively and are fixed on the bottom shell through two vertical screws and penetrate through the electric connection terminal hole, two metal short connecting pieces are arranged in the two current connection terminal holes respectively and are fixed on the bottom shell through two vertical screws and penetrate through the current connection terminal hole.
4. The electric power metering single-phase test auxiliary line device according to claim 3, characterized in that: the aperture of the voltage connection terminal hole and the aperture of the current connection terminal hole are both larger than that of the external voltage connection column.
5. The electric power metering single-phase test auxiliary line device according to claim 3, characterized in that: and copper sheets are arranged on the inner walls of the electric connection terminal hole and the current terminal hole.
6. The electric power metering single-phase test auxiliary line device according to claim 3, characterized in that: the voltage line is the stranded copper line, and both ends all use copper aluminium binding post to carry out the crimping fixed and adopt the screw will copper aluminium binding post is fixed with the voltage connection terminal row.
7. The electric power metering single-phase test auxiliary line device according to claim 3, characterized in that: the current line is the stranded copper line, and both ends all use copper aluminium binding post to carry out the crimping fixed and adopt the screw will copper aluminium binding post is fixed with the current connection terminal row.
8. The electric power metering single-phase test auxiliary line device according to claim 3, characterized in that: the voltage wiring terminal is fixed in a voltage terminal hole in the first square groove of the shell, and the copper-aluminum wiring terminal of the voltage line is fixed in the voltage wiring terminal at the inner side of the shell and fixed by screws.
9. The electric power metering single-phase test auxiliary line device according to claim 3, characterized in that: the current wiring terminal is fixed in a current terminal hole of the shell, and the current wire copper-aluminum wiring terminal is fixed in the current wiring terminal on the inner side of the shell and fixed by screws.
10. The electric power metering single-phase test auxiliary line device according to claim 1, characterized in that: the shell and the bottom shell are provided with an electric-pressure connection terminal hole, a current connection terminal hole, a metal short splicing sheet, a hexagonal pure copper terminal, a plurality of strands of pure copper wires, a large-current plurality of strands of pure copper wires, a copper-aluminum wiring terminal, a voltage wiring terminal, a current wiring terminal and a device screw fixing column, and the bottom shell and the shell are connected through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122946015.5U CN216411384U (en) | 2021-11-29 | 2021-11-29 | Auxiliary line device for single-phase test of electric power measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122946015.5U CN216411384U (en) | 2021-11-29 | 2021-11-29 | Auxiliary line device for single-phase test of electric power measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216411384U true CN216411384U (en) | 2022-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122946015.5U Active CN216411384U (en) | 2021-11-29 | 2021-11-29 | Auxiliary line device for single-phase test of electric power measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216411384U (en) |
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2021
- 2021-11-29 CN CN202122946015.5U patent/CN216411384U/en active Active
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