CN212303356U - Current transformer convenient to secondary wiring - Google Patents
Current transformer convenient to secondary wiring Download PDFInfo
- Publication number
- CN212303356U CN212303356U CN202020911536.XU CN202020911536U CN212303356U CN 212303356 U CN212303356 U CN 212303356U CN 202020911536 U CN202020911536 U CN 202020911536U CN 212303356 U CN212303356 U CN 212303356U
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- secondary wiring
- current transformer
- tubular metal
- metal piece
- circular ring
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Abstract
The utility model relates to a current transformer technical field especially relates to a current transformer convenient to secondary wiring. The to-be-solved technical problem of the utility model is that ordinary current transformer is difficult to secondary wiring and conversion current size fixed, the problem that is difficult to control. In order to solve the technical problem, the utility model provides a current transformer convenient to secondary wiring, which comprises a bottom shell, open and be equipped with first through-hole about the upper surface of drain pan, the bolt has been cup jointed in the inboard activity of first through-hole. This current transformer convenient to secondary wiring through the mutually supporting of secondary wiring plug and tubular metal part for secondary wiring is very simple, and dismantles also very conveniently, and the convenience of the equipment use that increases through the quantity that has increased the tubular metal part, can select the number of turns of secondary winding wire as required, realizes the multiunit contrast parameter of single measurement, makes the measuring result more accurate.
Description
Technical Field
The utility model relates to a current transformer technical field specifically is a current transformer convenient to secondary wiring.
Background
The electricity is used as a common energy source, the control of the magnitude of the current is very important, although a general current transformer can convert the magnitude of the current, the operation of secondary wiring is very complicated, the convertible current value is fixed, and sometimes, current transformers of different types need to be replaced according to the requirement, so that the operation is very troublesome.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a current transformer convenient to secondary wiring has solved ordinary current transformer and has been difficult to secondary wiring and conversion current size fixed, the problem of being difficult to control.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a current transformer convenient to secondary wiring, includes the drain pan, the side is opened and is equipped with first through-hole about the upper surface of drain pan, the bolt has been cup jointed in the inboard activity of first through-hole, the bottom of bolt runs through the top of drain pan and extend to its inside, the inboard fixed cover of drain pan has cup jointed the base, the equal fixedly connected with nut of side about the top surface of base, two the bolt and two nut one-to-one and threaded connection.
The upper surface of the bottom shell is fixedly connected with a circular ring shell, an annular iron core is fixedly sleeved on the inner side of the circular ring shell, and a secondary winding wire is wound on the surface of the annular iron core.
The outer surface of the circular ring shell is provided with a second through hole, the inner wall of the second through hole is fixedly connected with a tubular metal piece, the inner wall of the tubular metal piece is spliced with a secondary wiring plug, and the end head of the inner side of the tubular metal piece is connected in series with the middle of the secondary winding wire.
Preferably, the circular ring shell is made of insulating plastic, the inner side of the circular ring shell is provided with U-shaped positioning ribs, and the annular iron core is embedded in the inner sides of the positioning ribs.
Further preferably, the number of the second through holes is four, and the four second through holes are arranged on the right side of the circular ring shell at equal intervals.
Preferably, the tubular metal part is made of an alloy material with a copper-plated surface, and the inner side surface of the tubular metal part is provided with an alignment groove.
Further preferably, the surface of the secondary wiring plug is a cylindrical expansion type plug, and the shape of the outer side surface of the secondary wiring plug is matched with the shape of the inner side surface of the tubular metal part.
Further preferably, the number of turns of the secondary winding wire between two adjacent tubular metal members is the same.
(III) advantageous effects
The utility model provides a current transformer convenient to secondary wiring possesses following beneficial effect:
(1) this current transformer convenient to secondary wiring through the mutually supporting of secondary wiring plug and tubulose metalwork for secondary wiring is very simple, and dismantles also very conveniently, the convenience that the equipment that increases used.
(2) This current transformer convenient to secondary wiring through the quantity that has increased tubular metal spare, can select the number of turns of secondary winding wire as required, realizes single measuring multiunit contrast parameter for measuring result is more accurate.
Drawings
FIG. 1 is a front sectional view of the structure of the present invention;
FIG. 2 is a front sectional view of the ring housing of the present invention;
fig. 3 is a side sectional view of the ring housing of the present invention.
In the figure: the transformer comprises a bottom shell 1, a base 2, an annular iron core 3, a secondary winding 4, a tubular metal piece 5, a circular ring shell 6, a secondary wiring plug 7, a first through hole 8, a bolt 9, a nut 10 and a second through hole 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a current transformer convenient to secondary wiring, includes drain pan 1, the side is opened and is equipped with first through-hole about the upper surface of drain pan 1, bolt 9 has been cup jointed in the inboard activity of first through-hole 8, the bottom of bolt 9 runs through the top of drain pan 1 and extend to its inside, the fixed cover in inboard of drain pan 1 has connect base 2, the equal fixedly connected with nut 10 of side about the top surface of base 2, two bolt 9 and two nut 10 one-to-one and threaded connection.
Fixed surface is connected with ring shell 6 on drain pan 1, ring shell 6 material is insulating plastic, the location rib of U-shaped is seted up to ring shell 6's inboard, annular iron core 3 inlays the inboard of location rib, ring shell 6's inboard is fixed to have cup jointed annular iron core 3, secondary winding wire 4, adjacent two have been cup jointed on annular iron core 3's surface secondary winding wire 4 between the tubulose metalwork 5 the number of turns of secondary winding wire 4 is the same, through the quantity that has increased tubulose metalwork 5, can select the number of turns of secondary winding wire 4 according to the demand, realizes single measuring multiunit contrast parameter for the measuring result is more accurate.
The outer surface of the circular ring shell 6 is provided with four second through holes 11, the four second through holes 11 are arranged on the right side of the circular ring shell 6 at equal intervals, the inner wall of the second through hole 11 is fixedly connected with a tubular metal piece 5, the tubular metal piece 5 is made of alloy material with copper plated on the surface, the inner side surface of the tubular metal piece 5 is provided with a positioning groove, the inner wall of the tubular metal piece 5 is inserted with a secondary wiring plug 7, the surface of the secondary wiring plug 7 is a cylindrical expansion type plug, the shape of the outer side surface of the secondary wiring plug 7 is matched with the shape of the inner side surface of the tubular metal piece 5, through the mutual matching of the secondary wiring plug 4 and the tubular metal piece 5, the secondary wiring is very simple, and the disassembly is also very convenient, the convenience of the use of the equipment is increased, and the end head at the inner side of the tubular metal piece 5 is connected in series at the middle part of the secondary winding wire 4.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention.
Claims (6)
1. The utility model provides a current transformer convenient to secondary wiring, includes drain pan (1), its characterized in that: the left side and the right side of the upper surface of the bottom shell (1) are respectively provided with a first through hole, the inner side of each first through hole (8) is movably sleeved with a bolt (9), the bottom end of each bolt (9) penetrates through the top of the bottom shell (1) and extends into the bottom of the bottom shell, the inner side of the bottom shell (1) is fixedly sleeved with a base (2), the left side and the right side of the top surface of the base (2) are respectively and fixedly connected with a nut (10), and the two bolts (9) are in one-to-one correspondence with the two nuts (10) and are in threaded connection with the two;
the upper surface of the bottom shell (1) is fixedly connected with a circular ring shell (6), the inner side of the circular ring shell (6) is fixedly sleeved with a circular iron core (3), and the surface of the circular iron core (3) is wound with a secondary winding wire (4);
the outer surface of the circular ring shell (6) is provided with a second through hole (11), the inner wall of the second through hole (11) is fixedly connected with a tubular metal piece (5), the inner wall of the tubular metal piece (5) is spliced with a secondary wiring plug (7), and the inner side end of the tubular metal piece (5) is connected in series with the middle of the secondary winding wire (4).
2. A current transformer for facilitating secondary wiring according to claim 1, wherein: the material of the circular ring shell (6) is insulating plastic, U-shaped positioning ribs are arranged on the inner side of the circular ring shell (6), and the annular iron core (3) is embedded on the inner side of the positioning ribs.
3. A current transformer for facilitating secondary wiring according to claim 1, wherein: the number of the second through holes (11) is four, and the four second through holes (11) are arranged on the right side of the circular ring shell (6) at equal intervals.
4. A current transformer for facilitating secondary wiring according to claim 1, wherein: the tubular metal piece (5) is made of alloy materials plated with copper on the surface, and the inner side surface of the tubular metal piece (5) is provided with an alignment groove.
5. A current transformer for facilitating secondary wiring according to claim 1, wherein: the surface of the secondary wiring plug (7) is a cylindrical expansion type plug, and the shape of the outer side surface of the secondary wiring plug (7) is matched with the shape of the inner side surface of the tubular metal piece (5).
6. A current transformer for facilitating secondary wiring according to claim 1, wherein: the number of turns of the secondary winding wire (4) between two adjacent tubular metal pieces (5) is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020911536.XU CN212303356U (en) | 2020-05-27 | 2020-05-27 | Current transformer convenient to secondary wiring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020911536.XU CN212303356U (en) | 2020-05-27 | 2020-05-27 | Current transformer convenient to secondary wiring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212303356U true CN212303356U (en) | 2021-01-05 |
Family
ID=73970734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020911536.XU Active CN212303356U (en) | 2020-05-27 | 2020-05-27 | Current transformer convenient to secondary wiring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212303356U (en) |
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2020
- 2020-05-27 CN CN202020911536.XU patent/CN212303356U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 1822-772, D2 North, No. 32 Dazhou Road, Yuhuatai District, Nanjing City, Jiangsu Province, 210000 Patentee after: Jiangsu Exway Electric Co.,Ltd. Address before: 214000 No.12, luou Road, Hudai Town, Binhu District, Wuxi City, Jiangsu Province Patentee before: Wuxi Kewei Electric Co.,Ltd. |
|
| CP03 | Change of name, title or address |