CN113281548A - Ammeter binding post - Google Patents
Ammeter binding post Download PDFInfo
- Publication number
- CN113281548A CN113281548A CN202110725972.7A CN202110725972A CN113281548A CN 113281548 A CN113281548 A CN 113281548A CN 202110725972 A CN202110725972 A CN 202110725972A CN 113281548 A CN113281548 A CN 113281548A
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- wire
- electricity meter
- terminal according
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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
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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
- H01R13/44—Means for preventing access to live contacts
- H01R13/447—Shutter or cover plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
本发明涉及电气连接配件技术领域，公开一种电表接线端子。该电表接线端子包括导线部、接入部和绝缘防护罩，所述导线部的一端开设有安装孔，所述安装孔用于压接外接铝线；所述接入部与所述导线部的另一端固接，所述接入部用于插接于电表接入端；所述绝缘防护罩呈管状，所述绝缘防护罩由柔性材料制成，所述绝缘防护罩包括连通的第一段和第二段，所述第一段的横截面积小于所述第二段的横截面积，所述第一段套接于所述导线部外周，所述第二段套设于所述外接铝线的外周，并被配置为能够翻折套设于所述第一段和所述接入部的外周。该电表接线端子结构简单，使用方便，能够有效避免触电事故或相间短路情况的发生，提高电表入户线连接点的安全性能。
The invention relates to the technical field of electrical connection accessories, and discloses an electric meter wiring terminal. The terminal of the electric meter includes a lead part, an access part and an insulating protective cover. One end of the lead part is provided with a mounting hole, and the mounting hole is used for crimping an external aluminum wire; The other end is fixedly connected, and the access part is used to be inserted into the access end of the electric meter; the insulating protective cover is tubular, the insulating protective cover is made of flexible material, and the insulating protective cover includes a connected first section and the second section, the cross-sectional area of the first section is smaller than the cross-sectional area of the second section, the first section is sleeved on the outer circumference of the wire portion, and the second section is sleeved on the outer circumference The outer circumference of the aluminum wire is configured to be able to be folded and sleeved on the outer circumference of the first segment and the access portion. The electric meter wiring terminal is simple in structure and convenient to use, can effectively avoid the occurrence of electric shock accident or short circuit between phases, and improve the safety performance of the connection point of the household line of the electric meter.
Description
Technical Field
The invention relates to the technical field of electrical connection accessories, in particular to an ammeter wiring terminal.
Background
The wiring terminal is convenient for the connection of wires, can be disconnected and connected at any time, and is convenient and fast. The connection of the electric meter or the connection end of the user power transmission is generally fixed by a binding screw. At present, a connecting point of an access end of a downlead ammeter mainly uses a copper-aluminum transition wire clamp or a lead is directly inserted into a wiring hole of the ammeter, so that the poor phenomena that the copper-aluminum transition terminal is seriously heated and even is burnt out, the lead is scattered or the screw is loosened to cause poor contact and cause burning of the connecting point often occur; and when the ammeter is overhauled, the head of the wiring terminal is exposed outside, so that electric shock accidents or interphase short circuit are easily caused. The problems have great influence on the stability and the reliability of the electricity consumption of residents, and the normal life of the residents is seriously influenced.
Disclosure of Invention
Based on the above, the invention aims to provide the ammeter wiring terminal which is simple in structure, convenient to use, stable in connection between the external aluminum wire and the ammeter, capable of effectively avoiding electric shock accidents or interphase short circuit conditions and improving the safety performance of the ammeter service wire connection point.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electricity meter terminal comprising:
one end of the wire part is provided with a mounting hole, and the mounting hole is used for crimping an external aluminum wire;
the access part is fixedly connected with the other end of the wire part and is used for being inserted into the access end of the ammeter;
the insulating protective cover is a tubular shape and is made of a flexible material, the insulating protective cover comprises a first section and a second section which are communicated, the cross-sectional area of the first section is smaller than that of the second section, the first section is sleeved on the periphery of the wire portion, the second section is sleeved on the periphery of the external aluminum wire and is configured to be capable of being folded and sleeved on the periphery of the first section and the periphery of the access portion.
As a preferable aspect of the electric meter terminal, the insulation shield further includes:
a connecting section connected between the first section and the second section, the connecting section being tapered.
Preferably, the first segment is fixedly bonded to the outer periphery of the lead portion.
As a preferable mode of the electric meter terminal, the length of the first segment is equal to the length of the wire portion.
Preferably, the length of the second segment is greater than the total length of the lead portion and the access portion.
As a preferable scheme of the electric meter terminal, the insulating protective cover is made of weather-resistant polypropylene or silica gel.
As an optimal scheme of the electric meter wiring terminal, the insulating protective cover is of an integral injection molding structure.
Preferably, the cross-sectional area of the receiving portion is smaller than that of the lead portion, and a step surface is formed at a connection position of the receiving portion and the lead portion.
As an optimal scheme of the electric meter wiring terminal, a limiting groove is formed in the side wall of the access portion, and screws of the access end of the electric meter can be inserted into the limiting groove.
As a preferable scheme of the electric meter terminal, the lead part and the access part are both made of aluminum alloy.
The invention has the beneficial effects that:
the invention provides an ammeter wiring terminal which comprises a wire part, an access part and an insulating protective cover, wherein an external aluminum wire can extend into a mounting hole of the wire part and is fixedly pressed, the access part fixedly connected with the wire part is used for being inserted into an access end of an ammeter, and the external aluminum wire is pressed on the wire part, so that the condition of poor contact caused by strand scattering is not easy to occur; the first section of the insulating protective cover is sleeved on the periphery of the wire part, the second section of the insulating protective cover is sleeved on the periphery of the external aluminum wire in an initial state, and when the wiring terminal is connected with the ammeter, the insulating protective cover does not need to be detached, so that the compactness of the structure is improved, the use is convenient, and the loss is prevented; the tubular insulating protective cover is made of flexible materials, so that when the ammeter needs to be maintained, the wiring terminal can be folded and folded to be sleeved on the peripheries of the first section and the access part after being detached from the ammeter, the access part is insulated and protected, electric shock accidents and interphase short circuit are prevented, and the safety performance of the connection position of the service wire of the ammeter is improved; and insulating protection casing can also fall the cover in wire portion, and first section cup joints in wire portion promptly, and the periphery in the access section is established to the second section cover, and the protection length to access portion is longer, prevents the emergence of electric shock accident and alternate short circuit, further improves the security performance of ammeter house lead junction.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is an overall assembly view of a terminal of an electric meter according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a terminal of an electric meter provided by an embodiment of the present invention;
FIG. 3 is an exploded view of a terminal of an electricity meter provided by an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an insulation shield reverse sleeve provided by an embodiment of the invention;
FIG. 5 is a cross-sectional view of an inverted insulating shield according to an embodiment of the present invention;
fig. 6 is a schematic view of a connection structure between a terminal of an electric meter and the electric meter according to an embodiment of the present invention.
In the figure:
1. a wire portion; 2. an access unit; 20. a limiting groove;
3. an electricity meter;
4. an insulating protective cover; 41. a first stage; 42. a second stage; 43. a connecting section;
5. and an aluminum wire is externally connected.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; 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 in specific cases to those skilled in the art.
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.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1, 2 and 6, the present embodiment provides an electric meter terminal, which includes a wire portion 1, an access portion 2 and an insulating protective cover 4, wherein one end of the wire portion 1 is provided with a mounting hole, and the mounting hole is used for crimping an external aluminum wire 5; the access part 2 is fixedly connected with the other end of the wire part 1, and the access part 2 is used for being inserted into an access end of the ammeter 3; the insulating protective cover 4 is the tubulose, and the insulating protective cover 4 is made by flexible material, and the insulating protective cover 4 is including the first section 41 and the second section 42 of intercommunication, and the cross-sectional area of first section 41 is less than the cross-sectional area of second section 42, and the periphery of wire portion 1 is located to the first section 41 cover, and the periphery of external aluminium wire 5 is located to the second section 42 cover to be configured to can turn over the cover and locate the periphery of first section 41 and access portion 2. The external aluminum wire 5 is pressed on the wire part 1, so that poor contact caused by strand scattering is not easy to occur, and the situation that a connecting point is burnt is avoided; the first section 41 of the insulating protective cover 4 is sleeved on the periphery of the wire part 1, the second section 42 is sleeved on the periphery of the external aluminum wire 5 in an initial state, when the wiring terminal is connected with the ammeter 3, the insulating protective cover 4 does not need to be detached, the structure compactness is improved, the use is convenient, and the loss is prevented; moreover, since the tubular insulating protective cover 4 is made of a flexible material, when the electric meter 3 needs to be maintained, after the wiring terminal is detached from the electric meter 3, the second section 42 can be folded to be sleeved on the peripheries of the first section 41 and the access part 2, so that the access part 2 is protected from electric shock and interphase short circuit, and the safety performance of the connection position of the electric meter 3 to the service line is improved; and as shown in fig. 4 and 5, the insulating protective cover 4 can also be reversely sleeved on the wire portion 1, that is, the first section 41 is sleeved on the wire portion 1, the second section 42 is sleeved on the periphery of the access section, the protection length of the access section 2 is longer, electric shock accidents and interphase short circuits are prevented, and the safety performance of the connection position of the service wire of the electric meter 3 is further improved.
Specifically, a connecting section 43 is connected between the first section 41 and the second section 42, the connecting section 43 is tapered, and the tapered connecting section 43 facilitates the second section 42 to be folded to be reversely sleeved on the periphery of the first section 41.
Optionally, the first segment 41 of the insulation shield 4 is fixedly bonded to the outer periphery of the wire portion 1, so as to further improve the compactness of the structure and prevent the loss of the insulation shield 4.
Preferably, the insulation shield 4 is of an integral injection molded structure, dimensional accuracy is good, and productivity is high. More preferably, the insulating protective cover 4 is made of weather-resistant polypropylene or silica gel, is low in price, has good physical and mechanical properties and processability, is excellent in insulating effect, is weather-resistant and wear-resistant, and is good in outdoor solarization durability.
In order not to influence the use, the length of the first section 41 of the insulation protection cover 4 is equal to the length of the lead part 1, so that the influence of the overlong first section 41 on the connection between the access end and the ammeter 3 or the connection between the lead part 1 and the external aluminum wire 5 is avoided, and the phenomenon that the protection effect is poor due to the overlong first section 41 is also avoided. The first section 41 of the insulation protection cover 4 is equal to the length of the wire part 1, so that the insulation protection cover is neat and attractive in appearance, convenient to use and good in protection effect.
In order to achieve the maximum protection effect, the length of the second section 42 of the insulation shield 4 is greater than the total length of the wire portion 1 and the access portion 2. When the second section 42 needs to be turned over, the second section 42 can completely enclose the access part 2, so that electric shock accidents or interphase short circuit caused by exposure of the access part 2 are avoided, and the safety performance of the service wire connection part of the electric meter 3 is improved.
As shown in fig. 3 and 6, the cross-sectional area of the receiving portion 2 is smaller than that of the lead portion 1, and a step surface is formed at the connection portion between the receiving portion 2 and the lead portion 1. Specifically, wire portion 1 is cylindricly, is convenient for match external aluminum wire 5, and access portion 2 is the semi-cylindrical, is convenient for plug into the access end of ammeter 3. More specifically, the spacing groove 20 has been seted up at the lateral wall of access portion 2, and when access portion 2 was pegged graft and is advanced 3 access ends of ammeter, binding post breaks away from 3 access ends of ammeter easily and drops, connects unstably, and stretches into this spacing groove 20 through the screw of 3 access ends of ammeter, has avoided binding post to drop, guarantees that binding post and 3 firm in connection of ammeter are reliable to guarantee stronger contact current-carrying capacity. Preferably, the cross section of the limiting groove 20 is circular, and the limiting groove 20 is matched with a screw, so that the connection between the wiring terminal and the electric meter 3 is more stable.
Preferably, the screws at the access end of the access part 2, the lead part 1 and the electricity meter 3 are all made of the same aluminum alloy, so that the connection terminal has the advantages of good plasticity, easiness in extrusion, high corrosion resistance, strong overcurrent capacity and good surface treatment performance, and the problem of electrochemical corrosion caused by copper-aluminum transition of the traditional transition connection terminal is solved. Illustratively, the mass fractions of the metal elements of the aluminum alloy component are respectively: the mass fraction range of Mg is 0.45-0.9%, the mass fraction range of Si is 0.2-0.6%, the mass fraction of Fe is less than 0.3%, the mass fraction of Zn is less than 0.1%, the mass fraction of Cu is less than 0.1%, the mass fraction of Ti is less than 0.1%, and the rest component is Al.
The ammeter binding post that this embodiment provided improves this binding post and ammeter 3's stability of being connected and safety in utilization through setting up wire portion 1, insert portion 2, spacing groove 20 and insulating protective cover 4, has effectively avoided contact failure and has leaded to the tie point to burn or the emergence of electric shock accident, synthesizes improvement this binding post's security performance.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. An electricity meter terminal, comprising:
one end of the wire part (1) is provided with a mounting hole, and the mounting hole is used for crimping an external aluminum wire (5);
the access part (2) is fixedly connected with the other end of the wire part (1), and the access part (2) is used for being inserted into the access end of the ammeter (3);
insulating protection casing (4), is the tubulose, insulating protection casing (4) are made by flexible material, insulating protection casing (4) are including first section (41) and second section (42) of intercommunication, the cross-sectional area of first section (41) is less than the cross-sectional area of second section (42), first section (41) cup joint in wire portion (1) periphery, second section (42) cover is located the periphery of external aluminium wire (5) to be configured as and to turn over the cover and locate first section (41) with the periphery of access portion (2).
2. An electricity meter terminal according to claim 1, characterized in that said insulating shield (4) further comprises:
a connecting section (43) connected between the first section (41) and the second section (42), the connecting section (43) being tapered.
3. An electricity meter terminal according to claim 1, characterized in that said first segment (41) is fixedly bonded to the outer periphery of said wire portion (1).
4. An electricity meter terminal according to claim 1, characterized in that the length of said first segment (41) is equal to the length of said wire portion (1).
5. An electricity meter terminal according to claim 1, characterized in that the length of the second section (42) is greater than the total length of the wire portion (1) and the access portion (2).
6. An electricity meter terminal according to claim 1, characterized in that the insulating shield (4) is made of weather-resistant polypropylene or silicone.
7. An electric meter terminal according to any one of claims 1, characterized in that the insulating shield (4) is of an integral injection-molded construction.
8. An electricity meter terminal according to any one of claims 1 to 7, characterized in that the cross-sectional area of the access portion (2) is smaller than the cross-sectional area of the lead portion (1), and the junction of the access portion (2) and the lead portion (1) forms a stepped surface.
9. An electricity meter terminal according to any one of claims 1 to 7, characterized in that a limiting groove (20) is formed in a side wall of the access portion (2), and a screw of the access end of the electricity meter (3) can be inserted into the limiting groove (20).
10. An electricity meter terminal according to any one of claims 1 to 7, characterized in that said wire portion (1) and said access portion (2) are made of an aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110725972.7A CN113281548B (en) | 2021-06-29 | 2021-06-29 | Ammeter binding post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110725972.7A CN113281548B (en) | 2021-06-29 | 2021-06-29 | Ammeter binding post |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113281548A true CN113281548A (en) | 2021-08-20 |
| CN113281548B CN113281548B (en) | 2023-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110725972.7A Active CN113281548B (en) | 2021-06-29 | 2021-06-29 | Ammeter binding post |
Country Status (1)
| Country | Link |
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| CN (1) | CN113281548B (en) |
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| US3944319A (en) * | 1974-09-09 | 1976-03-16 | Giampa Anthony J | Electric terminal fitting |
| WO2014125060A2 (en) * | 2013-02-15 | 2014-08-21 | Wago Verwaltungsgesellschaft Mbh | Electricity meter connection terminal block, and electricity meter |
| JP2017054836A (en) * | 2016-12-26 | 2017-03-16 | 株式会社富士通ゼネラル | Connection terminal |
| CN207801439U (en) * | 2018-02-11 | 2018-08-31 | 浙江中新电力发展集团有限公司萧山科技分公司 | One kind changing table protection against electric shock terminal |
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| CN110534937A (en) * | 2019-09-27 | 2019-12-03 | 广州番禺电缆集团有限公司 | A kind of water proof type connecting terminal |
| CN210129593U (en) * | 2019-07-30 | 2020-03-06 | 九阳股份有限公司 | High binding post of security |
| CN210404083U (en) * | 2019-11-04 | 2020-04-24 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Device for preventing Q type wiring terminal from mistakenly touching |
| CN210894456U (en) * | 2019-09-11 | 2020-06-30 | 广东电网有限责任公司 | Improved electric energy meter wiring terminal |
| CN211789616U (en) * | 2020-05-14 | 2020-10-27 | 天津艾利德电气设备制造有限公司 | Cable terminal for controlling current and electric field for rail transit |
| CN212648611U (en) * | 2020-08-28 | 2021-03-02 | 国网河南省电力公司宜阳县供电公司 | Three-phase four-wire smart meter special terminal |
| CN213093406U (en) * | 2020-09-30 | 2021-04-30 | 天泽电力(江苏)有限公司 | Waterproof terminal binding post |
| CN213424760U (en) * | 2020-09-27 | 2021-06-11 | 扬州市苏源电器有限公司 | Transformer safety protection casing |
-
2021
- 2021-06-29 CN CN202110725972.7A patent/CN113281548B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3944319A (en) * | 1974-09-09 | 1976-03-16 | Giampa Anthony J | Electric terminal fitting |
| WO2014125060A2 (en) * | 2013-02-15 | 2014-08-21 | Wago Verwaltungsgesellschaft Mbh | Electricity meter connection terminal block, and electricity meter |
| JP2017054836A (en) * | 2016-12-26 | 2017-03-16 | 株式会社富士通ゼネラル | Connection terminal |
| CN207817029U (en) * | 2018-01-11 | 2018-09-04 | 广东电网有限责任公司茂名供电局 | A kind of ammeter connecting terminal |
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| CN210894456U (en) * | 2019-09-11 | 2020-06-30 | 广东电网有限责任公司 | Improved electric energy meter wiring terminal |
| CN110534937A (en) * | 2019-09-27 | 2019-12-03 | 广州番禺电缆集团有限公司 | A kind of water proof type connecting terminal |
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| CN212648611U (en) * | 2020-08-28 | 2021-03-02 | 国网河南省电力公司宜阳县供电公司 | Three-phase four-wire smart meter special terminal |
| CN213424760U (en) * | 2020-09-27 | 2021-06-11 | 扬州市苏源电器有限公司 | Transformer safety protection casing |
| CN213093406U (en) * | 2020-09-30 | 2021-04-30 | 天泽电力(江苏)有限公司 | Waterproof terminal binding post |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113281548B (en) | 2023-06-09 |
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