CN216595245U - Wire clamp for fixing secondary voltage wire and main line of electric energy meter - Google Patents
Wire clamp for fixing secondary voltage wire and main line of electric energy meter Download PDFInfo
- Publication number
- CN216595245U CN216595245U CN202122392841.XU CN202122392841U CN216595245U CN 216595245 U CN216595245 U CN 216595245U CN 202122392841 U CN202122392841 U CN 202122392841U CN 216595245 U CN216595245 U CN 216595245U
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- CN
- China
- Prior art keywords
- base
- upper cover
- wire
- electric energy
- energy meter
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 9
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 229910000838 Al alloy Inorganic materials 0.000 claims description 9
- 239000003063 flame retardant Substances 0.000 claims description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 15
- 229910052802 copper Inorganic materials 0.000 abstract description 14
- 239000010949 copper Substances 0.000 abstract description 14
- 239000000463 material Substances 0.000 abstract description 13
- 229910052782 aluminium Inorganic materials 0.000 abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 12
- 239000004411 aluminium Substances 0.000 abstract description 11
- 238000005259 measurement Methods 0.000 abstract description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229940116318 copper carbonate Drugs 0.000 description 1
- GEZOTWYUIKXWOA-UHFFFAOYSA-L copper;carbonate Chemical compound [Cu+2].[O-]C([O-])=O GEZOTWYUIKXWOA-UHFFFAOYSA-L 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Images
Abstract
The utility model discloses a wire clamp for fixing a secondary voltage wire and a main line of an electric energy meter, which comprises a base and an upper cover, wherein the base is provided with a first end and a second end; a base: for the shape structure of falling T, trunk groove has been seted up at the lower surface middle part of base, and the upper surface middle part of base sets up the branch line hole that is linked together with the trunk groove, the inner wall surface of trunk groove and branch line hole all is provided with the metal inside lining, and the internal surface that is located the inside metal inside lining of trunk groove is electroplated with the tin coating, the corresponding trompil in both ends about with the branch line hole is seted up to the front surface upper end of base, and the inside threaded connection of the trompil that the front surface of base was seted up has a branch wire housing screw, this fastener once wiring material adopts the tinning, secondary binding post is the copper product, the aluminium wire that corresponds the connection all is the same material with the copper line, because the electric potential of the same material equals, can realize the reliable connection of copper aluminium, avoid the phenomenon that the secondary wire accepted voltage is not enough to appear, thereby prevent that the electric energy meter measurement from appearing and reducing and cause the loss.
Description
Technical Field
The utility model relates to the technical field of power equipment, in particular to a wire clamp for fixing a secondary voltage wire and a main circuit of an electric energy meter.
Background
In the use of power equipment, because the material of current electric energy meter primary line and secondary line is different, the primary line is the aluminium material line, the secondary line is the copper material line, the wire traditional mode of these two kinds of different materials generally adopts and connects for winding method or articulated method, because the electric potential of copper aluminium is different, the part of copper aluminium contact can be because the oxidation of former battery reaction acceleration aluminium wire, the aluminium material can produce grey-white matter aluminium oxide at copper line and aluminium wire junction, the copper material can produce basic copper carbonate, commonly known as the copper rust, because the production of two kinds of materials hinders the normal passing through of electric current of wire, cause the contact resistance increase of copper aluminium, lead to the not enough voltage that the secondary line accepted, thereby cause the measurement of electric energy meter to reduce, cause huge loss, for this reason, we propose a fastener that is used for electric energy meter secondary voltage line and main line to fix.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the existing defects and provides a wire clamp for fixing a secondary voltage wire of an electric energy meter and a main circuit.
In order to achieve the purpose, the utility model provides the following technical scheme: a wire clamp for fixing a secondary voltage wire of an electric energy meter and a main line comprises a base and an upper cover;
a base: the lower end of the base is connected with an aluminum alloy conductive sliding cover in a clamping manner, and the middle parts of the left and right ends of the lower surface of the aluminum alloy conductive sliding cover are respectively connected with a main wire compression screw in a threaded manner;
and (4) covering: the upper cover is buckled at the front end of the base and is provided with grooves corresponding to the branch lead compression screws and the main lead compression screws respectively on the front surface and the lower surface.
Furthermore, the upper cover is of a double-layer structure, the inner layer of the upper cover is an insulating layer, and the outer layer of the upper cover is a flame-retardant layer. The upper cover is made of flame-retardant and insulating materials, and personal safety and equipment safety of workers when the wire clamp is used can be guaranteed.
Furthermore, the base further comprises a buckling strip, a buckling groove is formed in the outer side end of the lower surface of the base, the buckling strip is installed at the bottom end of the inner surface of the upper cover, and the buckling strip is correspondingly clamped with the buckling groove formed in the lower surface of the base. The phenomenon that the upper cover breaks away from with the base can effectively be avoided to the profile to make the security of fastener when using promoted.
Furthermore, the wire drawing device also comprises two inserting plates, the two inserting plates are clamped inside the groove formed in the rear side of the lower end of the upper cover, and the upper end of each inserting plate is provided with an arc-shaped groove corresponding to the dry wire compression screw. The lower extreme of the electrically conductive sliding closure of aluminum alloy can be sealed to the picture peg that sets up to avoid the fastener to appear the electric leakage when using and influence its security.
Compared with the prior art, the utility model has the beneficial effects that: this a fastener for electric energy meter secondary voltage line is fixed with main line has following benefit:
1. this fastener once wiring material adopts tin-plating, and secondary binding post is the copper product, and the aluminium wire that corresponds the connection all is the same material with the copper line, because the potential of the same material equals, can realize the reliable connection of copper aluminium, avoids the phenomenon appearance that secondary line accepted voltage is not enough to prevent that the electric energy meter measurement from reducing and cause the loss.
2. This fastener simple to operate, the transformer low pressure side is qualified for the next round of competitions and electric energy meter secondary voltage line need not the broken string, only needs carry out fastening screw's simple work, and operation labour saving and time saving makes its use comparatively convenient.
3. The clamping force of the wire clamp on the wire is constant, the contact area is large during connection, the contact resistance is small, the conductivity is good, and the consistency of secondary voltage and primary voltage is ensured.
4. The shell is fire-retardant and insulating material, can guarantee the personal safety and the equipment safety of staff when using the fastener.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a right side sectional view of the present invention;
FIG. 3 is a schematic diagram of a rear side view angle structure according to the present invention.
In the figure: the lead frame comprises a base 1, a metal lining 2, a tin-plated layer 3, 4 lead compression screws, a conductive sliding cover 5 made of aluminum alloy, 6 dry lead compression screws, an upper cover 7, a buckling strip 8 and a plug board 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present embodiment provides a technical solution: a wire clamp for fixing a secondary voltage wire of an electric energy meter and a main line comprises a base 1 and an upper cover 7;
base 1: the structure is an inverted T-shaped structure, a trunk line groove is formed in the middle of the lower surface of a base 1, a branch line hole communicated with the trunk line groove is formed in the middle of the upper surface of the base 1, metal linings 2 are arranged on the inner wall surfaces of the trunk line groove and the branch line hole, a tin coating 3 is electroplated on the inner surface of the metal lining 2 positioned in the trunk line groove, openings corresponding to the upper end and the lower end of the branch line hole are formed in the upper end of the front surface of the base 1, branch line compression screws 4 are connected to the inner threads of the openings formed in the front surface of the base 1, an aluminum alloy conductive sliding cover 5 is clamped at the lower end of the base 1, and the middle parts of the left end and the right end of the lower surface of the aluminum alloy conductive sliding cover 5 are respectively in threaded connection with a branch line compression screw 6;
an upper cover 7: the upper cover 7 is buckled at the front end of the base 1 and the front surface and the lower surface of the upper cover 7 are respectively provided with a slot corresponding to the branch lead compression screw 4 and the main lead compression screw 6. The upper cover 7 is of a double-layer structure, the inner layer of the upper cover 7 is an insulating layer, and the outer layer of the upper cover 7 is a flame-retardant layer. The upper cover 7 is made of flame-retardant and insulating materials, and can ensure the personal safety and the equipment safety of workers when the wire clamp is used. Still include profile 8, the catching groove has been seted up to the lower surface outside end of base 1, and profile 8 installs in the internal surface bottom of upper cover 7, and profile 8 corresponds the joint with the catching groove that the lower surface of base 1 was seted up respectively. The buckling strip 8 can effectively avoid the phenomenon that the upper cover 7 is separated from the base 1, so that the safety of the wire clamp in use is improved. The dry conductor wire pressing device is characterized by further comprising two inserting plates 9, the two inserting plates 9 are arranged, the inserting plates 9 are clamped inside the grooves formed in the rear side of the lower end of the upper cover 7, and arc-shaped grooves corresponding to the dry conductor wire pressing screws 6 are formed in the upper ends of the inserting plates 9. The lower extreme of the electrically conductive sliding closure 5 of aluminum alloy can be sealed to picture peg 9 that sets up to avoid the fastener to appear the electric leakage when using and influence its security.
The working principle of the wire clamp for fixing the secondary voltage wire and the main line of the electric energy meter is as follows: the main lead and the branch lead are respectively arranged at corresponding positions, the corresponding screws are fixed when the leads are fixed and connected, the clamping force is constant, the secondary voltage copper wire of the electric energy meter and the copper metal lining of the branch line of the matrix, the outgoing line aluminum wire at the low voltage side of the transformer and the tinned metal lining of the main line of the matrix are fixed through the compression screws and are in close contact with each other, so that the copper-aluminum excessive connection is realized, and the connection is safe and reliable because the resistance of the copper-aluminum excessive connection is small and the contact area is large.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (4)
1. The utility model provides a be used for electric energy meter secondary voltage line and main line fixed fastener which characterized in that: comprises a base (1) and an upper cover (7);
base (1): the structure is of an inverted T-shaped structure, a trunk line groove is formed in the middle of the lower surface of a base (1), a branch line hole communicated with the trunk line groove is formed in the middle of the upper surface of the base (1), metal linings (2) are arranged on the inner wall surfaces of the trunk line groove and the branch line hole, a tin-plated layer (3) is electroplated on the inner surface of the metal lining (2) positioned in the trunk line groove, openings corresponding to the upper end and the lower end of the branch line hole are formed in the upper end of the front surface of the base (1), branch lead pressing screws (4) are in threaded connection with the inner parts of the openings formed in the front surface of the base (1), an aluminum alloy conductive sliding cover (5) is clamped at the lower end of the base (1), and trunk lead pressing screws (6) are in threaded connection with the middle parts of the left end and the right end of the lower surface of the aluminum alloy conductive sliding cover (5);
upper cover (7): the upper cover (7) is buckled at the front end of the base (1) in an inverted T-shaped structure, and the front surface and the lower surface of the upper cover (7) are respectively provided with a groove corresponding to the branch lead compression screw (4) and the main lead compression screw (6).
2. The clamp of claim 1 for fixing a secondary voltage wire of an electric energy meter with a main line, wherein: the upper cover (7) is of a double-layer structure, the inner layer of the upper cover (7) is an insulating layer, and the outer layer of the upper cover (7) is a flame-retardant layer.
3. The clamp of claim 1 for fixing a secondary voltage wire of an electric energy meter with a main line, wherein: still include knot strip (8), the catching groove has been seted up to the lower surface outside end of base (1), knot strip (8) are installed in the internal surface bottom of upper cover (7), and knot strip (8) correspond the joint with the catching groove that the lower surface of base (1) was seted up respectively.
4. The clamp of claim 1 for fixing a secondary voltage wire of an electric energy meter with a main line, wherein: still include picture peg (9), picture peg (9) are provided with two altogether, and picture peg (9) joint is in the inside of the fluting that the lower extreme rear side of upper cover (7) was seted up, and the upper end of picture peg (9) is seted up the arc wall corresponding with dry conductor housing screw (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122392841.XU CN216595245U (en) | 2021-09-30 | 2021-09-30 | Wire clamp for fixing secondary voltage wire and main line of electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122392841.XU CN216595245U (en) | 2021-09-30 | 2021-09-30 | Wire clamp for fixing secondary voltage wire and main line of electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216595245U true CN216595245U (en) | 2022-05-24 |
Family
ID=81638433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122392841.XU Active CN216595245U (en) | 2021-09-30 | 2021-09-30 | Wire clamp for fixing secondary voltage wire and main line of electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216595245U (en) |
-
2021
- 2021-09-30 CN CN202122392841.XU patent/CN216595245U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220705 Address after: 100032 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Patentee after: STATE GRID CORPORATION OF CHINA Patentee after: Chifeng power supply company of State Grid Inner Mongolia East Power Co., Ltd Address before: 010000 Ao run Su Mo Su Mu Hai Bu RI GA Cha 50, Aohan banner, Chifeng City, Inner Mongolia Autonomous Region Patentee before: Wang Haisong |