CN104730304A - Electricity meter connection terminal and assembling method thereof - Google Patents
Electricity meter connection terminal and assembling method thereof Download PDFInfo
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- CN104730304A CN104730304A CN201510160764.1A CN201510160764A CN104730304A CN 104730304 A CN104730304 A CN 104730304A CN 201510160764 A CN201510160764 A CN 201510160764A CN 104730304 A CN104730304 A CN 104730304A
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- patch
- flexible member
- terminals
- star
- ammeter
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- 238000000034 method Methods 0.000 title claims description 35
- 230000005611 electricity Effects 0.000 title abstract 4
- 239000000463 material Substances 0.000 claims description 27
- 238000003780 insertion Methods 0.000 claims description 25
- 230000037431 insertion Effects 0.000 claims description 25
- 238000003466 welding Methods 0.000 claims description 21
- 238000004080 punching Methods 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 229910001369 Brass Inorganic materials 0.000 claims description 6
- 239000010951 brass Substances 0.000 claims description 6
- 238000005476 soldering Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 10
- 229910052751 metal Inorganic materials 0.000 abstract description 10
- 238000000137 annealing Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 16
- 206010037660 Pyrexia Diseases 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 230000002085 persistent effect Effects 0.000 description 4
- 238000001953 recrystallisation Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Manufacturing Of Electrical Connectors (AREA)
Abstract
The invention discloses an electricity meter connection terminal. The electricity meter connection terminal comprises a connecting end, wherein a star-shaped groove is formed in one end of the connecting end to divide the connecting end into multiple connecting pieces, gaps are reversed between adjacent connecting pieces, an elastic element used for stretching the connecting pieces open is arranged in the connecting end, a through hole is formed in the end, opposite to the star-shaped groove, of the connecting end, and the through hole is communicated with the star-shaped groove. Even if annealing of metal at the connecting end occurs, an outward force is applied to the connecting pieces by the elastic element arranged in the star-shaped groove, so that close contact between the connecting pieces and an electricity meter is guaranteed.
Description
Technical field
The present invention relates to a kind of connector, more particularly, it relates to a kind of ammeter insertion terminal and assemble method thereof.
Background technology
Ammeter insertion terminal is mainly used in the connection of ammeter and other electric equipments, and the wire of drawing from electric equipment, by after being connected with plug terminal, being inserted in ammeter by plug terminal, realizing the connection of electric equipment and ammeter.
At present, application number on market is that the Chinese patent of CN201310434807.1 discloses a kind of electric energy meter plug terminal, this plug terminal by coordinate in the terminal for inserting electric energy meter patch part and coupling part form, patch part one-body molded with coupling part, described patches part conically, described taper shape has cross groove, described coupling part wire access aperture and fixed orifice.A kind of electric energy meter plug terminal that this invention obtains, this plug terminal has: adopt direct insertion with the connection terminal of electric energy meter, do not need screw wiring, and can ensure to be electrically connected with the reliable of electric energy meter, described plug terminal wiring is simple, convenient, fast, greatly save human and material resources, financial resources, cost performance is high.
But it patches part and mainly contacts with ammeter, in long-time use procedure, because metal itself is unavoidably with certain resistance, during use, certain temperature can be produced, particularly in the higher commercial power of some voltages or grid power transmission field.The long-time metal patching part contacted with electric energy meter that can cause under high temperature temperature is annealed, and the metal meeting deliquescing after annealing, follows the string.Plug Division can be made closely to coordinate with ammeter, come in contact the lax of portion, cause the contact area of ammeter and Plug Division to reduce.After contact area reduces, be equivalent to the area that electric current flows through and also reduce, resistance is increased, thus causes temperature to raise further, the annealing of quickening Plug Division, thus cause Plug Division lax, even thoroughly make it patch ability.
Summary of the invention
For the deficiency that prior art exists, the object of this reality invention is to provide a kind of ammeter insertion terminal preventing Plug Division lax.
For achieving the above object, the invention provides following technical scheme:
A kind of ammeter insertion terminal, comprise and patch end, described one end patching end offers star-like groove and will patch end and be divided into and somely patch sheet, patch described in adjacent between sheet and be provided with gap, described patching in end is provided with for strutting the flexible member patching sheet, described patching holds the one end away from relatively star-like groove to be provided with through hole, described through hole and star-like groove conducting.
By adopting technique scheme, star-like groove is offered in one end of terminals, star-like groove is made to be divided into several to patch sheet terminals, its terminals are metal material, there is certain elasticity, when patching end and inserting ammeter, all belong to interference fit, during insertion, patch sector-meeting to draw in towards patching end center, simultaneously, be arranged on the flexible member in star-like groove, also can be compacted because of the elasticity of itself, after such insertion, due to the elasticity of itself, simultaneously elastic component elastic reaction under, flexible member will be returned to original state, make to patch sheet to expand outwardly, thus make to realize the tight grafting with ammeter.
Meanwhile, in long-time use procedure, patch end when being inserted in ammeter, owing to itself having the existence of resistance, therefore can persistent fever.Metal, under persistent fever state, can be annealed, thus causes metal deliquescing.But, in the present invention, even if the metal patching end is annealed, being arranged on the flexible member in star-like groove, also can patch the power that sheet one is outside, ensure that and patch sheet and ammeter close contact.
Further, also prevent after annealing, because of contact chip softening after, contact undertighten with ammeter, cause the contact area of ammeter and Plug Division to reduce.After contact area reduces, be equivalent to the area that electric current flows through and also reduce, resistance is increased, thus causes temperature to raise further, the annealing of quickening Plug Division, thus cause Plug Division lax, even thoroughly make it patch ability.
The head that Plug Division contacts with ammeter, can be set to circular arc type, and this just makes patching in process, be more prone to be inserted in ammeter, even if under out-of-alignment state, also can, under the guide effect of circular arc type head, Plug Division be accurately inserted in ammeter.And the friction that can also reduce ammeter, thus protective effect is served to Plug Division, extend serviceable life.
The present invention is set to further: described flexible member is spring leaf.Described spring leaf cross section is V-type or C type, wherein preferred C type.
The present invention is set to further: spring leaf is common flexible member, and production and processing is convenient, and cost is low.And spring leaf, all annealed process, even if for a long time under high temperature regulates, also can not anneal once again.Inserted sheet force can be docked to allow, make to patch sheet and expand outwardly.The present invention's preferred C type spring leaf, due to C type spring leaf be positioned at star-like groove time, because C type spring leaf is the annular of opening, sheet can be patched to each block to the full extent and play force effect, Plug Division can be played better effect is patched to ammeter.
The present invention is set to further: described terminals material is red copper, described in patch end material be brass.
By adopting technique scheme, the quality of red copper is softer, and electric conductivity is better, but its elasticity is poor, is therefore suitable as the material of terminals, is inserted in terminals at butted line, than being easier to, deformation can occur, making to compress butted line when punching press.And brass quality is comparatively hard, elasticity is better than red copper, is conducive to the compactedness of grafting, is therefore suitable as the material patching end, ensures the tight effect of grafting.
The assemble method that above-mentioned ammeter insertion terminal is also provided of this reality invention,
A kind of assemble method of ammeter insertion terminal is as follows:
Step one: compressed by described flexible member, utilizes the elasticity of flexible member itself to make an one end face be less than the aperture of described through hole;
Step 2: extend into by the flexible member being in impaction state and patch in the through hole of end, makes it enter in star-like groove;
Step 3: unclamp flexible member, make flexible member be returned to original state and with some described in patch sheet and conflict;
Step 4: will one end and the soldering terminals holding and be provided with through hole be patched;
Step 5: by needing the butted line be connected with terminals to be deep in terminals, make terminals deformation by punching press, thus compress butted line.
By employing technique scheme, patching in the process of holding inner loading flexible member, flexible member being compressed, this makes it possible to flexible member to be encased in patch and holding inside.Preferred C type spring leaf in the selection of flexible member, C type spring leaf carries out curling, forms annular, the end face sectional area of spring leaf is diminished, C type spring leaf can be encased in and patch end inside, this addresses the problem spring leaf and be encased in the problem patching end inside.
End will be patched afterwards together with soldering terminals, thus realize the connection patching end and terminals.Afterwards butted line is inserted in terminals, by punching press, terminals and butted line is linked together.Therefore, terminals material is preferably red copper, the described end material that patches is preferably brass, the quality of red copper is softer, and electric conductivity is better, but its elasticity is poor, therefore the material of terminals is suitable as, be inserted in terminals at butted line, than being easier to, deformation can occur when punching press, making to compress butted line.And brass quality is comparatively hard, elasticity is better than red copper, is conducive to the compactedness of grafting, is therefore suitable as the material patching end, ensures the tight effect of grafting.
The present invention is set to further: described in be welded as friction welding (FW).
By adopting technique scheme, friction welding (FW) is under pressure, and under effect that is constant or that increase progressively pressure and moment of torsion, the relative motion between welding contact end face is utilized to produce heat of friction and plastic deformation heat at rubbing surface and near zone thereof, make and near zone temperature rise to close to but generally lower than the temperature range of fusing point, the resistance of deformation of material reduces, plasticity improves, the oxide film at interface is broken, under the effect of upsetting force, plastic yield and flowing is produced with material, the solid welding method welded is realized by the molecular diffusion at interface and recrystallization.
The destructiveness of this welding manner to material is little, and welding effect is good, by intermolecular diffusion and recrystallization, bi-material is welded in molecule aspect.The workpiece of small volume, once destroy in welding process, is different from the material that volume is larger, and the scope of destruction is for large volume material, and proportion is little, can not cause large impact to whole workpiece.And the material of small volume, once destroy in welding process, the scope that destruction part accounts for whole workpiece is comparatively large, can cause very large impact to the performance of workpiece.Therefore, the limited method of friction welding (FW) of selecting is welded it in the present invention.
Accompanying drawing explanation
Fig. 1 is the explosive view of a kind of ammeter insertion terminal of the present invention and assemble method embodiment thereof;
Fig. 2 be a kind of ammeter insertion terminal of the present invention and assemble method embodiment thereof patch end structure figure;
Fig. 3 is the wiring layout of a kind of ammeter insertion terminal of the present invention and assemble method embodiment thereof.
Reference numeral: 1, patch end; 2, terminals; 3, star-like groove; 4, sheet is patched; 5, flexible member; 6, through hole; 7, chamfering; 8, butted line.
Embodiment
Referring to figs. 1 through Fig. 3, a kind of ammeter insertion terminal of the present invention and assemble method embodiment thereof are described further.
A kind of ammeter insertion terminal, comprises and patches end 1 and terminals 2, terminals 2 with patch end 1 and pass through to weld, be fixed together.Star-like groove 3 is offered at the other end patching the relative stiff end of end 1, wherein, star-like groove 3 is the star-like groove 3 of cross preferably, by the setting of the star-like groove 3 of cross, to patch end 1 is divided into four to patch sheet 4, and the offering of the star-like groove of cross 3 is convenient to processing and shaping, is provided with gap between adjacent inserted sheet 4, wherein preferred adjacent each gap is equal, and the star-like groove 3 of cross will patch end 1 and be evenly divided into four and patch sheet 4.
First, be processed into equally distributed four and patch sheet 4, the star-like groove of its cross 3 necessarily orthogonal crosswise, and add man-hour at plug, directly will patch sheet 4 impact briquetting mainly through punching press, redundance be gone out by punching press cutter head, therefore, in process, be easy to cause patching sheet 4 and bend.And the star-like groove 3 of upper orthogonal crosswise, can make in punching course, patch the stamping press that sheet 4 is subject to equal everywhere, not easily patch sheet 4 and bend phenomenon.Meanwhile, patch sheet 4 number more, the width patching sheet 4 of its every sheet must narrow, so more easily bend.In practical operation, will patch sheet 4 and be arranged to four and be evenly distributed on patch on end 1, its rejection rate is minimum, and can play good grafting effect.
Meanwhile, the head that Plug Division contacts with ammeter, can be set to circular arc type, this just makes patching in process, is more prone to be inserted in ammeter, even if under out-of-alignment state, also under the guide effect of circular arc type head, can make to patch end 1 and be accurately inserted in ammeter.And the friction that can also reduce ammeter, thus docking spigot 1 serves protective effect, extends serviceable life.
Patch in end 1 and be provided with for strutting the flexible member 5 patching sheet 4, the other end patching the relatively star-like groove 3 of end 1 is provided with through hole 6, described through hole 6 and the conducting of star-like groove 3.
Star-like groove 3 is offered in one end of terminals 2, star-like groove 3 is made to be divided into several to patch sheet 4 terminals 2, its terminals 2 are metal material, there is certain elasticity, when patching end 1 and inserting ammeter, all belong to interference fit, during insertion, patch sheet 4 to draw in towards patching end 1 center, simultaneously, be arranged on the flexible member 5 in star-like groove 3, also can be compacted because of the elasticity of itself, after such insertion, due to the elasticity of itself, simultaneously elastic component elastic reaction under, flexible member 5 will be returned to original state, make to patch sheet 4 to expand outwardly, thus make to realize the tight grafting with ammeter.
Meanwhile, in long-time use procedure, patch end 1 when being inserted in ammeter, owing to itself having the existence of resistance, therefore can persistent fever.Metal, under persistent fever state, can be annealed, thus causes metal deliquescing.But, in the present invention, even if the metal patching end 1 is annealed, being arranged on the flexible member 5 in star-like groove 3, also can patch the power that sheet 4 one is outside, ensure that and patch sheet 4 and ammeter close contact.
Further, also prevent after annealing, because of contact chip softening after, contact undertighten with ammeter, cause the contact area of ammeter and Plug Division to reduce.After contact area reduces, be equivalent to the area that electric current flows through and also reduce, resistance is increased, thus causes temperature to raise further, the annealing of quickening Plug Division, thus cause Plug Division lax, even thoroughly make it patch ability.
And obtain selecting at flexible member 5, select modal spring leaf on the market, and select spring leaf cross section to be V-type or C type, wherein preferred C type.
Reason is because spring leaf is common flexible member 5, and production and processing is convenient, and cost is low.And spring leaf, all annealed process, even if for a long time under high temperature regulates, also can not anneal once again.Inserted sheet 4 can be docked exert a force to allow, make to patch sheet 4 and expand outwardly.The present invention's preferred C type spring leaf, due to C type spring leaf be positioned at star-like groove 3 time, because C type spring leaf is the annular of opening, sheet 4 can be patched to each block to the full extent and play force effect, Plug Division can be played better effect is patched to ammeter.
A kind of assemble method of ammeter insertion terminal is as follows:
Step one: compressed by described flexible member 5, utilizes the elasticity of flexible member 5 itself to make the cross section of one face be less than the cross section of described through hole 6;
Step 2: extend into by the flexible member 5 being in impaction state and patch in the through hole 6 of end 1, makes it enter in star-like groove 3;
Step 3: unclamp flexible member 5, makes flexible member 5 be returned to original state and is strutted by the described sheet 4 that patches;
Step 4: the one end patching end 1 and be provided with through hole 6 is welded with terminals 2.
Step 5: the butted line 8 needed with terminals 2 is deep in terminals 2, makes terminals 2 deformation by punching press, thus compress butted line 8.
The quality of red copper is softer, and electric conductivity is better, but its elasticity is poor, is therefore suitable as the material of terminals 2, is inserted in terminals 2 at butted line 8, than being easier to, deformation can occur, making to compress butted line 8 when punching press.And brass quality is comparatively hard, elasticity is better than red copper, is conducive to the compactedness of grafting, is therefore suitable as the material patching end 1, ensures the tight effect of grafting.
Welding method selects friction welding (FW).
Friction welding (FW) is under pressure, and under effect that is constant or that increase progressively pressure and moment of torsion, the relative motion between welding contact end face is utilized to produce heat of friction and plastic deformation heat at rubbing surface and near zone thereof, make and near zone temperature rise to close to but generally lower than the temperature range of fusing point, the resistance of deformation of material reduces, plasticity improves, the oxide film at interface is broken, under the effect of upsetting force, produce plastic yield and flowing with material, realized the solid welding method welded by the molecular diffusion at interface and recrystallization.
The destructiveness of this welding manner to material is little, and welding effect is good, by intermolecular diffusion and recrystallization, bi-material is welded in molecule aspect.The workpiece of small volume, once destroy in welding process, is different from the material that volume is larger, and the scope of destruction is for large volume material, and proportion is little, can not cause large impact to whole workpiece.And the material of small volume, once destroy in welding process, the scope that destruction part accounts for whole workpiece is comparatively large, can cause very large impact to the performance of workpiece.Therefore, the limited method of friction welding (FW) of selecting is welded it in the present invention.
Meanwhile, in order to easy for installation, at through hole 6 place patching end 1, through hole 6 porch of this one end of welding with terminals 2, is provided with chamfering 7.The setting of chamfering 7, mainly conveniently spring leaf is encased in inserted terminal, in assembling process, spring leaf and the phase mutual friction of through hole 6 porch can be there is unavoidably, or in installation process, accurately do not aim at, so, by the setting of chamfering 7, in installation process, even without complete aligned through holes 6, also can by the guiding function of chamfering 7, spring leaf, along the direction of chamfering 7, enters into and patches end 1 inside.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. an ammeter insertion terminal, comprise and patch end, it is characterized in that: described in patch end one end offer star-like groove and will patch end and be divided into and somely patch sheet, patch described in adjacent between sheet and be provided with gap, described patching in end is provided with for strutting the flexible member patching sheet, described patching holds the one end away from relatively star-like groove to be provided with through hole, described through hole and star-like groove conducting.
2. a kind of ammeter insertion terminal according to claim 1, is characterized in that: described flexible member is spring leaf.
3. a kind of ammeter insertion terminal according to claim 2, is characterized in that: described spring leaf cross section is V-type.
4. a kind of ammeter insertion terminal according to claim 2, is characterized in that: described spring leaf cross section is C type.
5. a kind of ammeter insertion terminal according to claim 1, is characterized in that: described in patch end and be fixedly connected with terminals, described terminals material is red copper, described in patch end material be brass.
6. an assemble method for ammeter insertion terminal, is characterized in that:
Step one: compressed by described flexible member, utilizes the elasticity of flexible member itself to make an one end face be less than the aperture of described through hole;
Step 2: extend into by the flexible member being in impaction state and patch in the through hole of end, makes it enter in star-like groove;
Step 3: unclamp flexible member, make flexible member be returned to original state and with some described in patch sheet and conflict;
Step 4: will one end and the soldering terminals holding and be provided with through hole be patched;
Step 5: by needing the butted line be connected with terminals to be deep in terminals, make terminals deformation by punching press, thus compress butted line.
7. the assemble method of a kind of ammeter insertion terminal according to claim 6, is characterized in that: described in be welded as friction welding (FW).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510160764.1A CN104730304A (en) | 2015-04-07 | 2015-04-07 | Electricity meter connection terminal and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510160764.1A CN104730304A (en) | 2015-04-07 | 2015-04-07 | Electricity meter connection terminal and assembling method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104730304A true CN104730304A (en) | 2015-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510160764.1A Pending CN104730304A (en) | 2015-04-07 | 2015-04-07 | Electricity meter connection terminal and assembling method thereof |
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| Country | Link |
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| CN (1) | CN104730304A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2388729Y (en) * | 1999-08-06 | 2000-07-19 | 胡家义 | Elastic plug |
| US6390826B1 (en) * | 1996-05-10 | 2002-05-21 | E-Tec Ag | Connection base |
| CN103454473A (en) * | 2013-09-18 | 2013-12-18 | 杭州凯雅捷科技有限公司 | Inserting terminal of electric energy meter |
| CN203587643U (en) * | 2013-11-12 | 2014-05-07 | 浙江天顺玻璃钢有限公司 | Electricity meter plug-in terminal |
| CN103941054A (en) * | 2014-03-27 | 2014-07-23 | 宁波市全盛壳体有限公司 | Single-phase watt hour meter connector assembly and use method |
| CN204189978U (en) * | 2014-11-17 | 2015-03-04 | 梅照付 | A kind of connecting terminal block of slip-off preventing |
| CN204214912U (en) * | 2014-11-20 | 2015-03-18 | 宁波奥克斯高科技有限公司 | Ammeter plugging member |
| CN204495881U (en) * | 2015-04-07 | 2015-07-22 | 浙江康格电气有限公司 | A kind of ammeter insertion terminal |
| CN204514979U (en) * | 2015-02-03 | 2015-07-29 | 浙江共同电子科技有限公司 | Use the electric energy meter attachment plug of C type internal-expansion type turn |
-
2015
- 2015-04-07 CN CN201510160764.1A patent/CN104730304A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6390826B1 (en) * | 1996-05-10 | 2002-05-21 | E-Tec Ag | Connection base |
| CN2388729Y (en) * | 1999-08-06 | 2000-07-19 | 胡家义 | Elastic plug |
| CN103454473A (en) * | 2013-09-18 | 2013-12-18 | 杭州凯雅捷科技有限公司 | Inserting terminal of electric energy meter |
| CN203587643U (en) * | 2013-11-12 | 2014-05-07 | 浙江天顺玻璃钢有限公司 | Electricity meter plug-in terminal |
| CN103941054A (en) * | 2014-03-27 | 2014-07-23 | 宁波市全盛壳体有限公司 | Single-phase watt hour meter connector assembly and use method |
| CN204189978U (en) * | 2014-11-17 | 2015-03-04 | 梅照付 | A kind of connecting terminal block of slip-off preventing |
| CN204214912U (en) * | 2014-11-20 | 2015-03-18 | 宁波奥克斯高科技有限公司 | Ammeter plugging member |
| CN204514979U (en) * | 2015-02-03 | 2015-07-29 | 浙江共同电子科技有限公司 | Use the electric energy meter attachment plug of C type internal-expansion type turn |
| CN204495881U (en) * | 2015-04-07 | 2015-07-22 | 浙江康格电气有限公司 | A kind of ammeter insertion terminal |
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| PB01 | Publication | ||
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Application publication date: 20150624 |