CN102193079A - Shrapnel-type wire connector of auxiliary terminal of intelligent electric energy meter - Google Patents
Shrapnel-type wire connector of auxiliary terminal of intelligent electric energy meter Download PDFInfo
- Publication number
- CN102193079A CN102193079A CN2011101346107A CN201110134610A CN102193079A CN 102193079 A CN102193079 A CN 102193079A CN 2011101346107 A CN2011101346107 A CN 2011101346107A CN 201110134610 A CN201110134610 A CN 201110134610A CN 102193079 A CN102193079 A CN 102193079A
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- energy meter
- electric energy
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- shrapnel
- metal clips
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Abstract
The invention provides a shrapnel-type wire connector of an auxiliary terminal of an intelligent electric energy meter. The shrapnel-type wire connector comprises metal shrapnel which is connected with a fixed board; fasteners are fixedly connected to both ends of the fixed board; and a welding hole is formed at the tail end of the metal shrapnel. By adoption of the structure, the shrapnel-type wire connector has advantages of good contact effect and high fault tolerance rate; the contactable area when the metal shrapnel is contacted with a terminal screw is larger than the contactable area when the metal shrapnel is contacted with a terminal hole; virtual connection can be avoided; moreover, as compaction pressure of the shrapnel is smaller, the shrapnel-type wire connector is easy to fix.
Description
Technical field
The present invention relates to a kind of electric energy meter that is used to meet State Grid Corporation of China's intelligent electric energy meter series standard and connect its auxiliary terminal to it is carried out the electric wire connecting junction of the electric energy meter calibrating apparatus of electric energy metering error and functional test.
Background technology
Existing be used for the electric wire connecting junction that intelligent electric energy meter (hereinafter to be referred as electric energy meter) error testing and Function detection are connected to electric energy meter calibrating apparatus, the most common and widely usedly be to use metallic conductor crocodile clip clamping connection electric energy meter auxiliary terminal to obtain signal and by being soldered to the electric wire connecting junction that the transmission of crocodile clip afterbody lead is plugged into electric energy meter calibrating apparatus.This kind connector arrangement needs electric energy meter at its auxiliary terminal (at least 6) L shaped sheet metal one end to be installed to use the auxiliary terminal screw to be fixed in electric energy meter, and an end is used for clamping connection; Perhaps use short lead one end fixedly to draw the exposed clamping connection that is used for of the signal other end of auxiliary terminal with the auxiliary terminal screw, though this dual mode can effectively output signal to electric energy meter calibrating apparatus but many weak points are arranged: at first be that waste of material is serious, be that the former or the latter need connect by extra connector, be L shaped sheet metal or short lead, every electric energy meter all needs the extra connector more than 6, and this connector need not to use the waste that causes material and the increase of electric energy meter manufacturing cost when installing and using electric energy meter; Next is that wiring efficient is low, since these two kinds of connected modes all need manual wiring repeatedly and needs one by one the correspondence its terminal clamp, easily the misconnection virtual connection counteracts the calibration operation of electric energy meter and expends the plenty of time, be that the electric wire connecting junction reliability is low at last, because auxiliary terminal is arranged tight metal clip the end of a thread and is easily touched and be short-circuited, or because the high damage that metal clip and wire bonds part take place easily of the frequency of utilization of electric wire connecting junction causes loose contact and lead to peg graft partly easily to get loose causes signal can't be delivered to electric energy meter calibrating apparatus, influence calibration quality and efficient.
Chinese patent also discloses a kind of the utilization for ZL200720106133.2 number and has played the electric wire connecting junction of pin by terminal hole contact auxiliary terminal output signal, but when the friction force that this electric wire connecting junction fixed part (rely on elastic force clamp the electric energy meter both sides) is provided is difficult to reach " intelligent electric energy meter pattern standard interpretation of section " 7.5 about the pressure of auxiliary terminal binding post 10N in being subjected to axle, the requirement that binding post contracts in not answering, promptly 6 auxiliary terminals are at least greater than 60N; And need upwards look up the good back of assurance contact, auxiliary terminal hole, location during its wiring from the electric energy meter bottom and clamp the more smooth electric energy meter shell in surface by the two ends clip, can't upwards observe good to hole and definite contact from the electric energy meter bottom in the electric energy meter calibration in batches in reality, positioning requirements is also long high positioning time;
This electric wire connecting junction auxiliary terminal binding post adopts the fixing needle mould formula that plays to finely tune and the little positioning difficulty that increased of auxiliary terminal bore dia it; Because existing electric energy meter calibrating apparatus uses 485 communications, time clock, a plurality of single-row pin type sockets such as error, its integrated wiring way of output need be carried out structure of modification to electric energy meter calibrating apparatus, and this has increased the safety coefficient that improvement cost has reduced original device.
In sum, the electric energy meter calibration setting up time accounts for 1/3 of total calibrating time in batches, and existing several electric wire connecting junction mode of connection can't satisfy the requirement of the huge calibrating demand of intelligent now table to electric energy meter calibration work efficiency and accuracy rate, is badly in need of providing new solution
Summary of the invention
The present invention has overcome the problem that exists in the above technology through practice, for the intelligent electric energy meter calibration operation provides quick, be about 1/6 of former setting up time when for example examining and determine in batches, accurately, the reliable auxiliary terminal mode of connection, and have economical with materials, and simple in structure, with low cost need not to having the advantage that electric energy meter measuring apparatus body changes now.
The technical scheme that the present invention proposes is:
A kind of intelligent electric energy meter auxiliary terminal spring-piece type electric wire connecting junction comprises metal clips, and this metal clips is connected with a fixed head, and the fixed head two ends are fixed with securing member, and wherein this metal clips tail end leaves welding hole.
Preferably, described metal clips matches by screw with fixed head, can change the metal clips contacting points position by this screw is finely tuned.
Preferably, this securing member is a V-arrangement opening elasticity folder.
Preferably, the tail end of V-arrangement opening elasticity folder is the triangle hollow structure.
Preferably, the part of metal clips above fixed head has the inside inclination angle of about 20 degree.
Preferably, this metal clips is the high resiliency copper material.
Preferably, fixed head is the ambroin fixed head.
After adopting said structure, the present invention has following excellent results: the effective serious forgiveness height of (1) contact, but surface of contact be difficult for virtual connection, and shell fragment crimping pressure is less easily fixing greater than by the terminal hole contact when adopting metal clips contact terminal screw; (2) be difficult for being subjected to displacement and fine-tuning, pressure is offset by the sheet metal elastic deformation when adopting the shell fragment contact, misalignment causes displacement to cause loose contact or virtual connection when having evaded employing binding post mode, and can finely tune the shell fragment contact point by the screw that is connected and fixed plate and metal clips; (3) need not the location, the present invention adopts the V-arrangement opening clamping at fixed head two ends to fix on the thin-wall shell at intelligent electric energy meter terminal box two ends, and the big and location electric energy meter thin-wall shell of V-shaped part opening only also more obviously need not to locate by acting on pressure on the fixed head and just V-shaped part can be pressed in the electric energy meter shell and just can realize automatic location; (4) disconnect conveniently, adopt the fastener of hollow three-legged structure can utilize its hollow space to be the outside application of force dismounting of center of effort; (5) improvement cost simple in structure is cheap, the present invention can adopt lead to weld the mode that (clamping connection also can) shell fragment tail end independently is plugged in the corresponding socket of calibrator for watt-hour meter respectively, also can adopt synthetic one bus in welding back to be connected to the mode of each socket of stage body, need not to change a large amount of transformation fundses of verifying attachment original structure saving, and the present invention does not have easily loss part such as spring, retaining muscle, dependable performance with low cost.
Description of drawings
Fig. 1 is a front view of the present invention.
Fig. 2 uses synoptic diagram for the present invention.
Fig. 3 is the cut-open view along A-A face among Fig. 1.
Number in the figure explanation: 1-V shape mouth anchorage clip; 1a-V shape opening; 1b-anchorage clip afterbody triangle hollow area; 1c-connection box of electric energy meter box shell thin-walled; The 2-fixed head; The 3-metal clips; 3a-metal clips contact; 3b-electric energy meter auxiliary terminal screw terminal; The 4-fixed screw; The 5-welding hole.
Embodiment
Originally execute the intelligent electric energy meter auxiliary terminal spring-piece type electric wire connecting junction of example, as shown in Figure 1, be fixed with V-arrangement opening anchorage clip 1 and metal clips 3 on 2 on the fixed head; The soldering opening 5 that is useful on welding lead on the metal clips 3 is used screw 4 with being connected; Screw 4 is fixed in shell fragment 3 on the fixed head 2.Certainly also can adopt welding to wait other fixed forms that metal clips 3 is fixed on the fixed head 2.
Preferably, this metal clips is the high resiliency copper material.
Fixed head can adopt ambroin, and the length of its length and intelligent electric energy meter to be measured is suitable, and its middle part can have fluting, is used to get around the dependency structure on the intelligent electric energy meter.
Use when originally executing routine wiring calibrating such as Fig. 2, only need V-arrangement opening 1a rough alignment connection box of electric energy meter box two end housing thin-walled 1c with V-shaped part anchorage clip 1 exert pressure V-arrangement opening anchorage clip 1 is pressed into the shell thin-walled to get final product to anchorage clip afterbody triangle hollow area 1b, being depressed in the process of V-arrangement opening 1a at electric energy meter shell thin-walled 1c also is the process that positions automatically simultaneously, make the shell fragment contact 3a of electric wire connecting junction shell fragment 3 aim at electric energy meter auxiliary terminal screw terminal 3b, shell fragment contact 3a closely contacts with electric energy meter auxiliary terminal screw terminal 3b when treating that V-arrangement opening securing member is pressed into the shell thin-walled to anchorage clip afterbody triangle hollow area 1b.
Adopt V-arrangement opening anchorage clip owing to originally execute routine electric wire connecting junction, carry out separable wiring, finished positioning process in the time of fastening voluntarily and saved the time; Need not as in the prior art, to use when adopting metal clips crimp type terminal screw terminal mode to make wiring again and look up that the location, angle is convenient to observe, surface of contact is bigger and tight; And signal transmission is by being welded in the lead transmission of shell fragment afterbody welding hole, therefore originally executes example and shortened setting up time (foreshorten to original setting up time less than 1/6) greatly and improved the reliability and the efficient of wiring.
Claims (7)
1. intelligent electric energy meter auxiliary terminal spring-piece type electric wire connecting junction, it is characterized in that: comprise metal clips, this metal clips is connected with a fixed head, and the fixed head two ends are fixed with securing member, and wherein this metal clips tail end leaves welding hole.
2. intelligent electric energy meter auxiliary terminal spring-piece type electric wire connecting junction according to claim 1, it is characterized in that: described metal clips matches by screw with fixed head, can change the metal clips contacting points position by this screw is finely tuned.
3. intelligent electric energy meter auxiliary terminal spring-piece type electric wire connecting junction according to claim 1 is characterized in that: this securing member is a V-arrangement opening elasticity folder.
4. intelligent electric energy meter auxiliary terminal spring-piece type electric wire connecting junction according to claim 3 is characterized in that: the tail end of V-arrangement opening elasticity folder is the triangle hollow structure.
5. intelligent electric energy meter auxiliary terminal spring-piece type electric wire connecting junction according to claim 1 is characterized in that: the part of metal clips above fixed head has the inside inclination angle of 20 degree.
6. intelligent electric energy meter auxiliary terminal spring-piece type electric wire connecting junction according to claim 1, it is characterized in that: this metal clips is the high resiliency copper material.
7. according to the described intelligent electric energy meter auxiliary terminal of claim 1 spring-piece type electric wire connecting junction, it is characterized in that: fixed head is the ambroin fixed head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101346107A CN102193079A (en) | 2011-05-24 | 2011-05-24 | Shrapnel-type wire connector of auxiliary terminal of intelligent electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101346107A CN102193079A (en) | 2011-05-24 | 2011-05-24 | Shrapnel-type wire connector of auxiliary terminal of intelligent electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102193079A true CN102193079A (en) | 2011-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101346107A Pending CN102193079A (en) | 2011-05-24 | 2011-05-24 | Shrapnel-type wire connector of auxiliary terminal of intelligent electric energy meter |
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| CN (1) | CN102193079A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048504A (en) * | 2012-12-14 | 2013-04-17 | 金华电业局 | Intelligent energy meter auxiliary terminal leaf-spring-type wire connector |
| CN104181494A (en) * | 2013-05-22 | 2014-12-03 | 国家电网公司 | Electric-energy-meter measurer |
| CN106680760A (en) * | 2017-01-10 | 2017-05-17 | 河南许继仪表有限公司 | Power supply electric meter device |
| CN106980035A (en) * | 2017-05-26 | 2017-07-25 | 滕海峰 | Three-phase electric energy meter auxiliary terminal block |
| CN110068787A (en) * | 2018-01-24 | 2019-07-30 | 郑州三晖电气股份有限公司 | A kind of electric energy meter meter adapting-seat high current docking mechanism |
| CN110442115A (en) * | 2019-08-13 | 2019-11-12 | 中国核动力研究设计院 | The adjustable test test pencil stationary fixture of digital instrument control system of nuclear power plant test |
| CN112415242A (en) * | 2020-09-15 | 2021-02-26 | 国网浙江省电力有限公司湖州供电公司 | A quick connection device for the incoming line of an intelligent electric energy metering box |
| CN113433366A (en) * | 2021-08-03 | 2021-09-24 | 宁夏隆基宁光仪表股份有限公司 | Installation auxiliary device suitable for intelligent electric meter and installation method of intelligent electric meter |
| CN113809560A (en) * | 2021-09-24 | 2021-12-17 | 广东电网有限责任公司 | A kind of external trust access device and access method for terminal block |
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2011
- 2011-05-24 CN CN2011101346107A patent/CN102193079A/en active Pending
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048504A (en) * | 2012-12-14 | 2013-04-17 | 金华电业局 | Intelligent energy meter auxiliary terminal leaf-spring-type wire connector |
| CN104181494A (en) * | 2013-05-22 | 2014-12-03 | 国家电网公司 | Electric-energy-meter measurer |
| CN106680760A (en) * | 2017-01-10 | 2017-05-17 | 河南许继仪表有限公司 | Power supply electric meter device |
| CN106980035A (en) * | 2017-05-26 | 2017-07-25 | 滕海峰 | Three-phase electric energy meter auxiliary terminal block |
| CN110068787A (en) * | 2018-01-24 | 2019-07-30 | 郑州三晖电气股份有限公司 | A kind of electric energy meter meter adapting-seat high current docking mechanism |
| CN110068787B (en) * | 2018-01-24 | 2024-05-24 | 郑州三晖电气股份有限公司 | Heavy-current butt-joint mechanism for electric energy meter base |
| CN110442115A (en) * | 2019-08-13 | 2019-11-12 | 中国核动力研究设计院 | The adjustable test test pencil stationary fixture of digital instrument control system of nuclear power plant test |
| CN112415242A (en) * | 2020-09-15 | 2021-02-26 | 国网浙江省电力有限公司湖州供电公司 | A quick connection device for the incoming line of an intelligent electric energy metering box |
| CN113433366A (en) * | 2021-08-03 | 2021-09-24 | 宁夏隆基宁光仪表股份有限公司 | Installation auxiliary device suitable for intelligent electric meter and installation method of intelligent electric meter |
| CN113809560A (en) * | 2021-09-24 | 2021-12-17 | 广东电网有限责任公司 | A kind of external trust access device and access method for terminal block |
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| PB01 | Publication | ||
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Application publication date: 20110921 |