CN117424019A - General three-phase electric energy meter test wiring terminal strip - Google Patents
General three-phase electric energy meter test wiring terminal strip Download PDFInfo
- Publication number
- CN117424019A CN117424019A CN202311221990.7A CN202311221990A CN117424019A CN 117424019 A CN117424019 A CN 117424019A CN 202311221990 A CN202311221990 A CN 202311221990A CN 117424019 A CN117424019 A CN 117424019A
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- Prior art keywords
- connecting piece
- conductive terminal
- terminal
- wire access
- access hole
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- 238000012360 testing method Methods 0.000 title claims abstract description 45
- 241000234295 Musa Species 0.000 claims abstract description 16
- 235000018290 Musa x paradisiaca Nutrition 0.000 claims abstract description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052802 copper Inorganic materials 0.000 claims abstract description 5
- 239000010949 copper Substances 0.000 claims abstract description 5
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 21
- 239000011810 insulating material Substances 0.000 claims description 4
- 241000270722 Crocodylidae Species 0.000 abstract description 4
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000016507 interphase Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/64—Means for preventing incorrect coupling
- H01R13/642—Means for preventing incorrect coupling by position or shape of contact members
Abstract
The application discloses general three-phase electric energy meter test binding post row relates to power equipment technical field. The terminal strip of the application consists of two parts, namely a conductive terminal and a plastic insulating shell. One end of the conductive terminal is provided with a screw with teeth, the outer edge of the other end is regular hexagon or round, the inner edge of the conductive terminal is provided with a jack into which a standard test line banana plug can be inserted, the conductive terminal is integrally processed by pure copper materials, the surface of the conductive terminal is plated with nickel to prevent oxidization, the conductive terminal is used for replacing a wiring screw of an electric energy meter, and an inner hexagon socket is used on site to be installed like a traditional screwing screw. When the terminal strip is used, a nut of a wiring screw is not required to be clamped by a traditional crocodile wire clamp, a test wire with two ends being standard M4 banana plugs is directly used, one end of the test wire is connected with instrument equipment, the other end of the test wire is directly inserted into a wiring hole of an electric meter box to be transformed, wiring reliability and consistency of wiring force are achieved, meanwhile, due to the modularized design of a plastic insulating shell, the wiring sequence is fixed, and safety accidents caused by wiring errors are avoided.
Description
Technical Field
The application relates to the technology of power equipment, in particular to a general three-phase electric energy meter test wiring terminal block.
Background
The three-phase electric energy meter field calibration is mainly based on real load calibration, and the electric energy meter is calibrated mainly through a junction box. During verification, a detector needs to connect the electric energy of the field calibrator with the electric energy meter to be detected in series, and the voltages are connected in parallel in a clamping mode. At present, a test wire connected through a crocodile clamp is used, a clamp head clamps a protruding part of a cable fixing screw, the general operational space is narrow, the site safety distance is small, the clamp is difficult to clamp stably, the problems of poor contact, misconnection, mistouch and the like of the test clamp are easy to occur, the test result is abnormal or can not be tested when the test result is light, the tested tape energy meter or the test instrument is burnt when the test result is heavy, and even an electric shock accident occurs.
Disclosure of Invention
In view of this, in order to reduce the incident that wiring error leads to, this application provides a general type three-phase electric energy meter test binding post row, can improve wiring reliability.
In order to achieve the above-mentioned purpose, the present application provides a general type three-phase electric energy meter test terminal block, including: the shell is made of insulating materials, a plurality of first wire inlets are formed in the bottom of the shell, the first wire inlets are communicated with corresponding first clamping grooves, the top ends of the first clamping grooves penetrate through the upper surface of the shell, a plurality of first terminal mounting groove positions corresponding to the first clamping grooves are formed in the front end of the shell, and the first terminal mounting groove positions are communicated with the first clamping grooves; the table top is arranged at the front end of the shell, the table top is arranged above the first terminal installation groove, a plurality of second wire access ports are formed in the bottom of the table top, the second wire access ports are communicated with corresponding second clamping grooves, the top ends of the second clamping grooves penetrate through the upper surface of the table top, a plurality of second terminal installation groove positions corresponding to the second clamping grooves are formed in the front end of the table top, and the second terminal installation groove positions are communicated with the second clamping grooves and the second wire access ports; the electric conduction device comprises a conductive terminal, wherein one end of the conductive terminal is provided with a threaded column, the outer edge of the other end of the conductive terminal is provided with a connecting column, the end face of the connecting column is provided with an inwardly extending jack, and the jack can be inserted with a standard test line banana plug; the first connecting piece is arranged in the first clamping groove, and a first wire access hole corresponding to the first wire access port is formed in the bottom end of the first connecting piece, so that a wire passes through the first wire access port and enters the first wire access hole; the first connecting piece is provided with a conductive terminal, one end of the conductive terminal penetrates through the outer surface of the first connecting piece to enter the first wire access hole, and the other end of the conductive terminal is arranged in the first terminal mounting groove; a fixed screw is further arranged on the first connecting piece, one end of the fixed screw is arranged in the first terminal installation groove, and the other end of the fixed screw penetrates through the outer surface of the first connecting piece to enter the first wire access hole; the second connecting piece is arranged in the second clamping groove, a second wire access hole corresponding to the second wire access hole is formed in the bottom end of the second connecting piece, so that a wire passes through the second wire access hole to enter the second wire access hole, and a through hole is further formed in the top end of the second connecting piece; the second connecting piece is provided with a conductive terminal, one end of the conductive terminal penetrates through the second connecting piece and the second wire access hole to be connected with the table top, and the other end of the conductive terminal is arranged in the second terminal installation groove.
In one possible implementation manner, an angle code is arranged between the second connecting piece and the conductive terminal, and one end of the angle code is sleeved on a threaded column of the conductive terminal and is clung to the surface of the second connecting piece; the other end of the corner connector faces the bottom of the table top, and a through hole is formed in the other end of the corner connector.
In one possible implementation manner, the shell is further provided with a third clamping groove, the third clamping grooves are formed between the shell and the table top, the third clamping grooves are further formed between the first clamping grooves, third connecting pieces are arranged in the third clamping grooves, connecting pieces are arranged at the bottoms of the third connecting pieces, the connecting pieces are respectively connected with the third connecting pieces and the first connecting pieces through screws, and through holes are formed in the top ends of the third connecting pieces.
In one possible implementation, the conductive terminals on the first web are capable of connecting to an M6 standard test line banana plug.
In one possible implementation, the conductive terminals on the second web are capable of connecting to an M4 standard test line banana plug.
In one possible implementation, the conductive terminals are made of pure copper and are integrally processed.
In one possible implementation, the surface of the conductive terminal is nickel plated.
In one possible implementation, the housing is of plastic material.
In one possible implementation manner, insulating baffles are arranged between every two first terminal mounting slots and between every two second terminal mounting slots
Advantageous effects
Compared with the prior art, the technical scheme of the application has the advantages that:
(1) The conductive terminals are longer than the screws, and the plastic insulating shell is used, so that on one hand, a plurality of conductive terminals are integrated to realize modularized installation, and on the other hand, the conductive terminals can be isolated to avoid interphase short circuit caused by touch;
(2) When the terminal strip is used, a traditional crocodile wire clamp is not needed to clamp the nuts of the wiring screw, the test wire with the standard M4 banana plugs at two ends is directly used, one end of the test wire is connected with instrument and equipment, the other end of the test wire is directly inserted into the wiring hole of the transformed ammeter box, the consistency of wiring reliability and wiring force is realized, meanwhile, due to the modularized design of the plastic insulating shell, the wire sequence is fixed, and safety accidents caused by wiring errors are avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and that other drawings may be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a test connection terminal block of a general three-phase electric energy meter according to an embodiment of the present application.
Fig. 2 is a three-dimensional schematic of a housing provided in an embodiment of the present application.
Fig. 3 is a schematic front view of a housing provided in an embodiment of the present application.
Fig. 4 is a cross-sectional view in the direction A-A of fig. 3 in an embodiment of the present application.
Fig. 5 is a schematic view of a first web provided in an embodiment of the present application.
Fig. 6 is a schematic diagram of a second web provided in an embodiment of the present application.
Fig. 7 is a schematic front view of a test terminal block of a universal three-phase electric energy meter according to an embodiment of the present application.
Fig. 8 is a cross-sectional view in the direction B-B of fig. 7 in an embodiment of the present application.
In the drawings, the drawings are not drawn to scale.
The main reference numerals in the figures illustrate: 1. a housing; 12. a first wire access port; 13. a first clamping groove; 14. a first terminal mounting slot; 15. a third clamping groove; 16. a third link; 17. a connecting piece;
2. a table top; 22. a second wire access port; 23. a second clamping groove; 24. a second terminal mounting slot;
3. a conductive terminal; 6. an insulating baffle; 7. banana plugs;
4. a first link; 42 first wire access holes; 43. a set screw;
5. a second connecting piece; 52. a second wire access hole; 53. and (5) corner codes.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the description of the present application, the meaning of a number is one or more, the meaning of a number is two or more, greater than, less than, exceeding, etc. are understood to not include the present number, and the meaning of a number above, below, within, etc. are understood to include the present number. The terms "first," "second," "third," and the like, if any, are used for descriptive purposes only and for distinguishing between technical features and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context. In addition, the technical features described below in the different embodiments of the present application may be combined with each other as long as they do not collide with each other.
As shown in fig. 1 to 8, the present embodiment provides a general-purpose three-phase electric energy meter test connection terminal block capable of improving connection reliability.
Referring to fig. 2-4, the housing 1 is made of insulating materials such as plastic, and a plurality of first wire inlets 12 are formed at the bottom of the housing 1, and the first wire inlets 12 are generally circular; the first wire access ports 12 are communicated with corresponding first clamping grooves 13, the first clamping grooves 13 are generally square grooves, the top ends of the first clamping grooves 13 penetrate through the upper surface of the shell 1, the front end of the shell 1 is provided with a plurality of first terminal installation groove positions 14 corresponding to the first clamping grooves 13, the first terminal installation groove positions 14 are inwards recessed on the front end surface of the shell 1 and are communicated with the first clamping grooves 13, the first terminal installation groove positions 14 are arranged at one ends of the first clamping grooves 13, which are contacted with the first wire access ports 12, and the first terminal installation groove positions 14 are also generally square; the front end of the shell 1 is provided with a stepped table top 2, the rear end of the table top 2 is connected with the front end of the shell 1, the table top 2 is arranged above the first terminal installation groove position 14, the bottom of the table top 2 is provided with a plurality of second wire access openings 22, the plurality of second wire access openings 22 are communicated with corresponding second clamping grooves 23, the top ends of the second clamping grooves 23 penetrate through the upper surface of the table top 2, the front end of the table top 2 is provided with a plurality of second terminal installation groove positions 24 corresponding to the second clamping grooves 23, and the second terminal installation groove positions 24 are communicated with the second clamping grooves 23 and the second wire access openings 22; insulating barriers 6 are provided between the first terminal mounting slots 14 and between the second terminal mounting slots 24, and the insulating barriers 6 are typically integral with the housing 1.
Referring to fig. 5, the first connecting piece 4 is generally elongated, the width of which is determined according to the sizes of the first clamping groove 13 and the first wire inlet 12, the bottom end of the first connecting piece 4 is provided with first wire inlet holes corresponding to the first wire inlet 12, so that wires pass through the first wire inlet 12 to enter the first wire inlet holes, the number of the first wire inlet holes on the first connecting piece 4 is determined according to the sizes of the first clamping groove 13 and the first wire inlet 12, and the number of the first wire inlet holes on the first connecting piece 4 is generally 1 to 2; a first wire access hole for the conductive terminal 3 and the fixing screw 42 is formed in the surface of one side, close to the front end of the shell 1, of the first connecting piece 4; 43 into the threaded hole of the first wire access hole, one end of the conductive terminal 3 passes through the threaded hole on the first connecting piece 4 into the first wire access hole, and the other end of the conductive terminal 3 is outside the threaded hole; a set screw 42 first wire access hole; 43 is disposed outside the threaded bore, the first wire of the set screw 42 being inserted into the bore; the other end of 43 is passed through the screw hole of the first tab 4 into the first wire access hole. The upper end portion of the first connecting piece 4 having a single first wire access hole is provided with a narrowing and deconstructing and is provided with a larger through hole. The first web 4 in the upper part of the threaded hole is also provided with a small through hole, typically for fixing with the housing 1. The conductive terminal 3 on the first connecting piece 4 can be connected with the M6 standard test line banana plug 7.
Referring to fig. 6, the bottom end of the second link 5 is provided with a second wire access hole 52 corresponding to the second wire access hole 22 such that a wire passes through the second wire access hole 22 to enter the second wire access hole 52, and the top end of the second link 5 is provided with a narrowing structure and a through hole; the second connecting piece 5 is provided with a threaded hole penetrating through the whole second connecting piece 5, the threaded hole of the second connecting piece 5 is communicated with the second wire access hole 52, and one end of the conductive terminal 3 passes through the threaded hole of the second connecting piece 5 and the second wire access hole 52 to be connected with the table top 2; the corner connector 53 is arranged between the other end of the conductive terminal 3 and the second connecting piece 5, the corner connector 53 is a metal sheet in a right-angle shape, through holes are formed in two ends of the corner connector 53, one end of the corner connector 53 is sleeved on a threaded column of the conductive terminal 3 and clings to the surface of the second connecting piece 5, and the other end of the corner connector 53 faces to the bottom of the table top 2. One end of the conductive terminal 3 is a threaded column, the outer edge of the other end of the conductive terminal 3 is a connecting column, the end face of the connecting column is provided with an inwardly extending jack, and the jack can be inserted with a standard test line banana plug 7; the shape of spliced pole generally has regular hexagon and circular, only demonstrates circular spliced pole in the figure that this embodiment provided, circular spliced pole's bottom is equipped with the cross breach of being convenient for install with the screwdriver. The conductive terminal 3 is generally made of pure copper, and is integrally processed and surface-plated with nickel. The conductive terminal 3 on the second connecting piece 5 can be connected with the M4 standard test line banana plug 7.
Referring to fig. 7 and 8, a casing 1 is made of an insulating material, a plurality of first wire inlets 12 are formed in the bottom of the casing 1, the plurality of first wire inlets 12 are communicated with corresponding first clamping grooves 13, the top ends of the first clamping grooves 13 penetrate through the upper surface of the casing 1, a plurality of first terminal mounting groove positions 14 corresponding to the first clamping grooves 13 are formed in the front end of the casing 1, and the first terminal mounting groove positions 14 are communicated with the first clamping grooves 13; the table top 2 is arranged at the front end of the shell 1, the table top 2 is arranged above the first terminal installation groove 14, a plurality of second wire access ports 22 are arranged at the bottom of the table top 2, the plurality of second wire access ports 22 are communicated with corresponding second clamping grooves 23, the top ends of the second clamping grooves 23 penetrate through the upper surface of the table top 2, a plurality of second terminal installation groove positions 24 corresponding to the second clamping grooves 23 are arranged at the front end of the table top 2, and the second terminal installation groove positions 24 are communicated with the second clamping grooves 23 and the second wire access ports 22; the conductive terminal 3, one end of the conductive terminal 3 is a threaded column, the outer edge of the other end of the conductive terminal 3 is a connecting column, the end face of the connecting column is provided with an inwardly extending jack, and the jack can be inserted with a standard test line banana plug 7; the first connecting piece 4 is arranged in the first clamping groove 13, and a first wire access hole corresponding to the first wire access hole 12 is formed in the bottom end of the first connecting piece 4 so that a wire passes through the first wire access hole 12 and enters the first wire access hole; the first connecting piece 4 is provided with a conductive terminal 3, one end of the conductive terminal 3 passes through the outer surface of the first connecting piece 4 and enters the first wire access hole, and the other end of the conductive terminal 3 is arranged in the first terminal mounting groove 14; the first connecting piece 4 is also provided with a first wire access hole of a fixed screw 42; 43, fixing the first wire access hole of the screw 42; 43 are disposed in the first terminal mounting groove 14 at one end thereof, the set screw 42 having a first wire access hole; 43 through the outer surface of the first tab 4 into the first wire access hole; the second connecting piece 5, the second connecting piece 5 is set up in the second card slot 23, the bottom of the second connecting piece 5 has second wire access hole 52 corresponding to second wire access port 22, in order to make the wire enter the second wire access hole 52 through the second wire access port 22, the top of the second connecting piece 5 has through holes; the second connecting piece 5 is provided with a conductive terminal 3, one end of the conductive terminal 3 passes through the second connecting piece 5 and the second wire access hole 52 to be connected with the table top 2, and the other end of the conductive terminal 3 is arranged in the second terminal mounting groove position 24. The shell 1 is further provided with a third clamping groove 15, the third clamping groove 15 is arranged between the shell 1 and the table top 2, the third clamping groove 15 is further arranged between every two first clamping grooves 13, a third connecting piece 16 is arranged in the third clamping groove 15, the bottom of the third connecting piece 16 is provided with a connecting piece 17, the connecting piece 17 is respectively connected with the third connecting piece 16 and the first connecting piece 4 through screws, and the top end of the third connecting piece 16 is provided with a through hole.
The working principle in this embodiment is described in detail below to make the application more obvious to those skilled in the art:
as shown in fig. 1, the terminal block of the present embodiment is composed of two parts, namely, a conductive terminal 3 and a plastic insulating housing. One end of the conductive terminal 3 is a toothed screw, the outer edge of the other end is regular hexagon or round, the inner edge of the conductive terminal is a jack into which a standard test wire banana plug 7 can be inserted, the conductive terminal 3 is integrally processed by pure copper materials, the surface is plated with nickel to prevent oxidization, the conductive terminal is used for replacing a wiring screw of an electric energy meter, and an inner hexagon socket is used on site to be installed like a traditional screwing screw. Because the conductive terminal 3 is longer than the screw, still need use plastic insulation shell, on the one hand integrate a plurality of conductive terminal 3, realize the modularization installation, on the other hand also can keep apart conductive terminal 3, avoid touching and lead to interphase short circuit. When the terminal strip is used, a nut of a wiring screw is not required to be clamped by a traditional crocodile wire clamp, a test wire with two ends being standard M4 banana plugs 7 is directly used, one end of the test wire is connected with instrument equipment, the other end of the test wire is directly inserted into a wiring hole of an electric meter box to be modified, wiring reliability and consistency of wiring force are achieved, meanwhile, due to the modularized design of a plastic insulating shell, the wiring sequence is fixed, and safety accidents caused by wiring errors are avoided.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the embodiments, and are intended to be included within the scope of the claims and description.
Claims (9)
1. A general three-phase electric energy meter test binding post row, its characterized in that includes:
the shell body (1), the shell body (1) is insulating material, the bottom of the shell body (1) is provided with a plurality of first wire access ports (12), a plurality of first wire access ports (12) are communicated with corresponding first clamping grooves (13), the top ends of the first clamping grooves (13) penetrate through the upper surface of the shell body (1), the front end of the shell body (1) is provided with a plurality of first terminal installation groove positions (14) corresponding to the first clamping grooves (13), and the first terminal installation groove positions (14) are communicated with the first clamping grooves (13);
the table top (2), the table top (2) set up in the front end of casing (1), the table top (2) set up in the top of first terminal mounting groove position (14), the bottom of table top (2) is equipped with a plurality of second wire access mouth (22), a plurality of second wire access mouth (22) intercommunication has corresponding second draw-in groove (23), the top of second draw-in groove (23) runs through the upper surface of table top (2), the front end of table top (2) be equipped with a plurality of with second terminal mounting groove position (24) that second draw-in groove (23) correspond, second terminal mounting groove position (24) with second draw-in groove (23) and second wire access mouth (22) are linked together;
the electric conduction device comprises a conductive terminal (3), wherein one end of the conductive terminal (3) is a threaded column, the outer edge of the other end of the conductive terminal (3) is a connecting column, an inward extending jack is arranged on the end face of the connecting column, and the jack can be used for inserting a standard test line banana plug;
the first connecting piece (4), the first connecting piece (4) is arranged in the first clamping groove (13), and a first wire access hole corresponding to the first wire access hole (12) is formed in the bottom end of the first connecting piece (4) so that a wire passes through the first wire access hole (12) and enters the first wire access hole; the first connecting piece (4) is provided with a conductive terminal (3), one end of the conductive terminal (3) penetrates through the outer surface of the first connecting piece (4) to enter the first wire access hole, and the other end of the conductive terminal (3) is arranged in the first terminal mounting groove (14); the first connecting piece (4) is also provided with a fixed screw (42, a first wire access hole; 43), one end of the fixed screw (42, a first wire access hole; 43) is arranged in the first terminal installation groove (14), and the other end of the fixed screw (42, a first wire access hole; 43) penetrates through the outer surface of the first connecting piece (4) to enter the first wire access hole;
the second connecting piece (5), the second connecting piece (5) is arranged in the second clamping groove (23), a second wire access hole (52) corresponding to the second wire access hole (22) is formed in the bottom end of the second connecting piece (5), so that a wire passes through the second wire access hole (22) to enter the second wire access hole (52), and a through hole is formed in the top end of the second connecting piece (5); the second connecting piece (5) is provided with a conductive terminal (3), one end of the conductive terminal (3) penetrates through the second connecting piece (5) and the second wire access hole (52) to be connected with the table board (2), and the other end of the conductive terminal (3) is arranged in the second terminal installation groove (24).
2. The universal three-phase electric energy meter test wiring terminal block according to claim 1, wherein an angle code (53) is arranged between the second connecting piece (5) and the conductive terminal (3), and one end of the angle code (53) is sleeved on a threaded column of the conductive terminal (3) and is clung to the surface of the second connecting piece (5); the other end of the corner brace (53) faces the bottom of the table top (2), and a through hole is formed in the other end of the corner brace (53).
3. The universal three-phase electric energy meter test wiring terminal block according to claim 1, wherein a third clamping groove (15) is further formed in the shell (1), the third clamping groove (15) is formed between the shell (1) and the table top (2), the third clamping groove (15) is further formed between every two first clamping grooves (13), a third connecting piece (16) is arranged in the third clamping groove (15), a connecting piece (17) is arranged at the bottom of the third connecting piece (16), the connecting piece (17) is connected with the third connecting piece (16) and the first connecting piece (4) through screws respectively, and a through hole is formed in the top end of the third connecting piece (16).
4. The universal three-phase electric energy meter test wiring terminal block according to claim 1, wherein the conductive terminal (3) on the first connecting piece (4) can be connected with an M6 standard test line banana plug.
5. The universal three-phase electric energy meter test wiring terminal block according to claim 1, wherein the conductive terminal (3) on the second connecting piece (5) can be connected with an M4 standard test line banana plug.
6. The universal three-phase electric energy meter test connection terminal block according to claim 1, wherein the conductive terminal (3) is made of pure copper and is integrally processed.
7. The universal three-phase electric energy meter test connection terminal block according to claim 1, characterized in that the surface of the conductive terminal (3) is nickel plated.
8. The universal three-phase electric energy meter test connection terminal block according to claim 1, wherein the housing (1) is of plastic material.
9. The universal three-phase electric energy meter test connection terminal block according to claim 1, wherein insulating baffles (6) are arranged between every two first terminal mounting slots (14) and between every two second terminal mounting slots (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311221990.7A CN117424019A (en) | 2023-09-21 | 2023-09-21 | General three-phase electric energy meter test wiring terminal strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311221990.7A CN117424019A (en) | 2023-09-21 | 2023-09-21 | General three-phase electric energy meter test wiring terminal strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117424019A true CN117424019A (en) | 2024-01-19 |
Family
ID=89525438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311221990.7A Pending CN117424019A (en) | 2023-09-21 | 2023-09-21 | General three-phase electric energy meter test wiring terminal strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117424019A (en) |
-
2023
- 2023-09-21 CN CN202311221990.7A patent/CN117424019A/en active Pending
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