CN202066889U - Terminal row with current transformer and copper terminals - Google Patents
Terminal row with current transformer and copper terminals Download PDFInfo
- Publication number
- CN202066889U CN202066889U CN2011201772970U CN201120177297U CN202066889U CN 202066889 U CN202066889 U CN 202066889U CN 2011201772970 U CN2011201772970 U CN 2011201772970U CN 201120177297 U CN201120177297 U CN 201120177297U CN 202066889 U CN202066889 U CN 202066889U
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- Prior art keywords
- copper
- terminal
- current transformer
- copper tip
- plastic
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- Expired - Lifetime
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Abstract
The utility model discloses a terminal row with a current transformer and copper terminals, which comprises a plastic terminal box, the copper terminals and the current transformer, wherein a primary copper sheet of the current transformer is electrically connected with the copper terminal. The terminal row with the current transformer and the copper terminals is characterized in that the copper terminals and the current transformer are embedded in the plastic terminal box and are covered tightly through a plastic terminal cover, and therefore the copper terminals and the current transformer are stably located. The terminal row with the current transformer and the copper terminals mainly shortens length of the copper terminals to save raw materials, simplifies a captive test (CT) primary copper sheet to reduce use quantity of copper materials and further save cost, adopts the CT-copper terminals split embedded terminal row structure and adds the terminal cover and a terminal block, thereby resolving the problem that the copper terminals are easy to exit from the terminal row.
Description
Technical field
The utility model relates to the belt current mutual inductor used on a kind of electric energy meter and the terminal row of copper tip.
Background technology
Plastic terminal box body in existing technology on the electronic electric energy meter is an integral body, copper tip directly inserts in the plastic terminal box body by external force, make the front portion of copper tip be positioned at the plastic terminal box body, afterbody exposes outside the plastic terminal box body, elementary copper sheet on the current transformer is a U font structure, be installed in by screw assemblies on the tail plane of terminal row copper tip, as shown in Figure 3.Because copper tip will be connected with other components and parts, its length has exceeded the plastic terminal box body, and is many with material, causes the cost height on the one hand.The elementary copper sheet of current transformer is the U-shaped copper sheet that adopts on the other hand, and the U-shaped copper sheet is to be stamped to form by the monoblock copper material, and the leftover pieces that are punched down can only be handled as copper scrap, wastes too greatly, and cost relatively also is high.If make elementary copper sheet into in-line, though reduced the current transformer copper sheet material, but further extend copper tip length could with its assembling, cause and lose more than gain; The current transformer of this in addition band U-shaped copper sheet is owing to be connected the outer copper tip afterbody of plastic terminal box body, this external current transformer has strengthened the volume of whole subassembly, also can occupy the inner space of watchcase because of the bodily form is excessive when time in the watchcase that is assembled into electric energy meter, covert increasing electric energy meter physical dimension and circuit board size; Moreover copper tip directly inserts in the plastic terminal box body by external force, in case the copper tip tolerance is negative partially, the tolerance polarization of plastic terminal round position, copper tip inserts the back friction and diminishes just easily loosening and withdrawed from so, in a single day copper tip withdraws from will influence the components and parts that are connected with copper tip (as current transformer, relay, manganese copper diverter etc.), they can cause defectives such as electric property inefficacy because copper tip withdraws from the stress of back generation.
The utility model content
The purpose of this utility model is to provide a kind of can save copper material, reduces the belt current mutual inductor of electric energy meter overall volume and the terminal row of copper tip.
This belt current mutual inductor that the utility model provides and the terminal row of copper tip comprise plastic terminal box, copper tip summation current transformer, the elementary copper sheet of current transformer is electrically connected with copper tip, it is characterized in that described copper tip summation current transformer is embedded in the plastic terminal box, by a plastic terminal lid lid jail, make copper tip summation current transformer strong fix.
Described plastic terminal box or plastic terminal cover and are provided with terminal block, prevent that copper tip from retreating.
In order further to make copper tip summation current transformer strong fix, prevent that copper tip from retreating, the copper tip summation current transformer all is embedded in the inside of plastic terminal box.Terminal block is located in the plastic terminal box and is positioned at the tail end of copper tip.
In order to maximally utilise copper material, the elementary copper sheet of described current transformer is yi word pattern.
The utility model is owing to be divided into plastic terminal box and plastic terminal lid with the plastic terminal box body, and the copper tip summation current transformer all embedded in the plastic terminal box, prevent moving of copper tip by plastic terminal lid, so we can see and the utlity model has following advantage:
1: current transformer directly embeds in the gap between the copper tip, has reduced the copper sheet material on the current transformer greatly, has saved cost;
2: copper tip has embedded the inside of terminal board, and copper tip length shortens greatly, and copper tip shortens the weight that has reduced copper material, has saved cost;
3: adopted plastic terminal box and plastic terminal to cover this split-type structural, current transformer and copper tip are wrapped in terminal board and the terminal cap formation space, formed damascene structures, when in the watchcase that is assembled into electric energy meter, current transformer can not take the watchcase inner space again, has reduced electric energy meter physical dimension and circuit board size accordingly yet;
4: the plastic terminal box body of this structure of the utility model, can be very easily at the plastic terminal box and cover terminal block is set, the fore-and-aft direction of copper tip is because the effect shelves of terminal block have been lived the afterbody of copper tip, copper tip withdraws from terminal board no longer easily, has solved electric energy meter and has withdrawed from the defective that the stress of generation causes other device electric property to lose efficacy because of the terminal row copper tip.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the explosion figure of Fig. 1.
Fig. 3 is the prior art constructions synoptic diagram.
Embodiment
From Fig. 1 and Fig. 2 as can be seen, the terminal row of the utility model belt current mutual inductor and copper tip is mainly by plastic terminal box 1, copper tip 2, and plastic terminal lid 3, current transformer 4, terminal block 5, screw assemblies 6 is formed.Copper tip 2 summation current transformers 4 all are embedded in the inside of plastic terminal box 1.Current transformer 4 is directly installed on wherein in the gap between two copper tips 2,7 one-tenth yi word patterns of its elementary copper sheet, be fastened on respectively by screw assemblies 6 on the tail plane of two copper tips, reduced the elementary copper sheet material on the current transformer 4 greatly, saved cost, this utility model does not make terminal row because the change of this current transformer 4 increases any cost simultaneously.Copper tip 2 has four, is embedded into the inside of plastic terminal box 1, and copper tip length is shortened greatly, and copper tip shortens the weight that has reduced copper material, and copper material is a kind of valuable metal, and the cost that this utility model is saved terminal row is considerable.Terminal block 5 is arranged on the plastic terminal box 1, and forms monolithic construction with plastic terminal box 1, and its position prevents retreating of copper tip 2 at the tail end of copper tip 2.Terminal block 5 also can be located at plastic terminal and cover, when copper tip 2 summation current transformers 4 install, cover plastic terminal lid 3 again, current transformer 4 and copper tip 2 all are wrapped, formed damascene structures, and when this terminal row was assembled in the watchcase of electric energy meter, current transformer 4 can not take the watchcase inner space again, has reduced electric energy meter physical dimension and circuit board size accordingly yet.After copper tip 2 embeds terminal board 1 and covers terminal cap 3 simultaneously, the fore-and-aft direction of copper tip 2 is because the effect shelves of terminal block 5 have been lived the afterbody of copper tip 2, copper tip 2 withdraws from terminal board 1 no longer easily, the left and right sides above-below direction of copper tip 2 is also by terminal board 1 and terminal cap 3 parcels in addition, no longer loosening, solved electric energy meter and withdrawed from the defective that the stress of generation causes other device electric property to lose efficacy easily because of terminal row copper tip 2.
Claims (6)
1. the terminal row of belt current mutual inductor and copper tip, comprise plastic terminal box (1), copper tip (2) summation current transformer (4), the elementary copper sheet (7) of current transformer is electrically connected with copper tip (2), it is characterized in that described copper tip summation current transformer is embedded in the plastic terminal box (1), by a plastic terminal lid (3) lid jail, make copper tip summation current transformer strong fix.
2. the terminal row of belt current mutual inductor according to claim 1 and copper tip is characterized in that copper tip (2) summation current transformer (4) all is embedded in the inside of plastic terminal box (1).
3. the terminal row of belt current mutual inductor according to claim 1 and copper tip is characterized in that plastic terminal box (1) or plastic terminal lid (3) is provided with terminal block (5), prevents that copper tip (2) from retreating.
4. the terminal row of belt current mutual inductor according to claim 1 and copper tip is characterized in that the elementary copper sheet (7) of current transformer is yi word pattern.
5. the terminal row of belt current mutual inductor according to claim 2 and copper tip is characterized in that terminal block (5) is located in the plastic terminal box and is positioned at the tail end of copper tip.
6. the terminal row of belt current mutual inductor according to claim 4 and copper tip is characterized in that described terminal block (5) and plastic terminal box (1) are an integral body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201772970U CN202066889U (en) | 2011-05-30 | 2011-05-30 | Terminal row with current transformer and copper terminals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201772970U CN202066889U (en) | 2011-05-30 | 2011-05-30 | Terminal row with current transformer and copper terminals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202066889U true CN202066889U (en) | 2011-12-07 |
Family
ID=45060749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201772970U Expired - Lifetime CN202066889U (en) | 2011-05-30 | 2011-05-30 | Terminal row with current transformer and copper terminals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202066889U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156208A (en) * | 2011-05-30 | 2011-08-17 | 威胜集团有限公司 | Terminal block with current transformer and copper terminal |
| CN110376411A (en) * | 2019-08-09 | 2019-10-25 | 温州隆威电气有限公司 | A kind of electric energy meter connection structure |
-
2011
- 2011-05-30 CN CN2011201772970U patent/CN202066889U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156208A (en) * | 2011-05-30 | 2011-08-17 | 威胜集团有限公司 | Terminal block with current transformer and copper terminal |
| CN110376411A (en) * | 2019-08-09 | 2019-10-25 | 温州隆威电气有限公司 | A kind of electric energy meter connection structure |
| CN110376411B (en) * | 2019-08-09 | 2024-05-24 | 隆威电气有限公司 | Electric energy meter connection structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111207 |
|
| CX01 | Expiry of patent term |