CN206282715U - A kind of novel current transformer - Google Patents
A kind of novel current transformer Download PDFInfo
- Publication number
- CN206282715U CN206282715U CN201621387856.XU CN201621387856U CN206282715U CN 206282715 U CN206282715 U CN 206282715U CN 201621387856 U CN201621387856 U CN 201621387856U CN 206282715 U CN206282715 U CN 206282715U
- Authority
- CN
- China
- Prior art keywords
- iron core
- shaped iron
- insulator foot
- binding post
- connection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of novel current transformer,Including the first U-shaped iron core,Second U-shaped iron core,Secondary connection end,Fixing shell and insulator foot,The two ends of the first U-shaped iron core are fixedly connected with connection iron prop,Connection iron prop is actively plugged in the primary connection post in groove and is plugged in insulator foot,One end of the primary connection post is fixed on the inside of insulator foot and the other end extends insulator foot side wall,The utility model iron core-closed repacks the first U-shaped iron core and the second U-shaped iron core that are connected by grafting form into by by common,Easy disassembly,Can be after shell opening,The first U-shaped iron core that Secondary Winding will be wound with takes out,Replacing is wound with the Secondary Winding of the different numbers of turn,Reach the purpose for changing measurement current range effect,And by the design at secondary connection end,Can be very good the connection and fractionation of completion Secondary Winding,It is simple to operate,It is largely effective.
Description
Technical field
The utility model is related to current transformer technical field, specially a kind of novel current transformer.
Background technology
Current transformer principle is made according to electromagnetic induction principle, and current transformer is the iron core and winding by closing
Composition, seldom, string is in the circuit of electric current of measurement is needed, therefore it often has the whole of circuit for its first side winding number of turn
Electric current flows through, and secondary side winding turn ratio is more, is serially connected in measuring instrumentss and protective loop, measures.
In the prior art, the current range of surveying of each monomer current transformer is conditional, and then we can lead to
The number of turn of replacing secondary side winding is crossed to change measurement range, but it is more multiple to change secondary side winding turn ratio in technology at present
It is miscellaneous, so needing a kind of new current transformer, the effect for being convenient for changing secondary side winding can be reached, so as to complete to change
Measure the effect of range.
Utility model content
The purpose of this utility model is to provide a kind of novel current transformer, to solve what is proposed in above-mentioned background technology
Problem.
To achieve the above object, the utility model provides following technical scheme：
A kind of novel current transformer, including the first U-shaped iron core, the second U-shaped iron core, secondary connection end, fixing shell and
Insulator foot, the two ends of the first U-shaped iron core are fixedly connected with connection iron prop, and the two ends of the second U-shaped iron core are provided with
Groove, and the connection iron prop is actively plugged in groove, and the first U-shaped iron core and the second U-shaped iron core are arranged at fixation
In shell inner cavity, described fixing shell one end is fixedly connected on insulator foot, the one end of the fixing shell away from insulator foot
Hollow posts are symmetrically connected with, the intracavity sidewall of the hollow posts is inserted in being fixedly installed limited block, and the inner chamber of the hollow posts
It is provided with secondary connection end, the secondary connection end includes conductive plate, the first binding post, the second binding post, the first insulating lid and the
Two insulating lids, first binding post and the second binding post are respectively fixedly connected with the two ends of conductive plate, and the conductive plate sets
The one end of limited block away from fixing shell is placed in, first binding post is connected with the first insulating lid away from one end of conductive plate,
Insertion is provided with line during second binding post is connected with the second insulating lid, and second insulating lid away from one end of conductive plate
Hole, the two ends that the first U-shaped iron core surface wrap has Secondary Winding, the Secondary Winding are connected to second by string holes respectively
Binding post, the second U-shaped iron core surface wrap once winding, the two ends of the first winding are connected to primary connection
Post, the primary connection post is plugged in insulator foot, one end of the primary connection post be fixed on the inside of insulator foot and
The other end extends insulator foot side wall.
Preferably, the side wall of the fixing shell is provided with the middle part of mounting blocks, and the mounting blocks and offers mounting hole,
The fixing shell is connected by mounting blocks with movable shell, and the movable shell size is identical with fixing shell, and the work
The side wall of dynamic shell is also equipped with mounting blocks and mounting hole.
Preferably, the part that the primary connection post is in outside insulator foot is provided with screw thread, and the primary connection post
One end away from insulator foot is fixedly connected with insulation sleeve.
Preferably, first binding post and the second binding post surface are equipped with screw thread.
Preferably, the limited block is provided with no less than one group, and the limited block is in equal centered on the second binding post
Even distribution.
Compared with prior art, the beneficial effects of the utility model are：The utility model is by will be common iron core-closed
Repack the first U-shaped iron core and the second U-shaped iron core connected by grafting form into, easy disassembly, can after shell opening,
The first U-shaped iron core that Secondary Winding will be wound with takes out, and replacing is wound with the Secondary Winding of the different numbers of turn, reaches replacing measurement electricity
The purpose of flow journey effect, and by the design at secondary connection end, can be very good to complete the connection and fractionation of Secondary Winding,
It is simple to operate, it is largely effective；The side wall of fixing shell is provided with and mounting hole is offered in the middle part of mounting blocks, and mounting blocks,
Fixing shell is connected by mounting blocks with movable shell, and movable shell size is identical with fixing shell, and movable shell side wall
Mounting blocks and mounting hole are also equipped with, facilitate the dismounting and fixation of shell, while insulation effect is reached so that split work
It is simpler；The part that primary connection post is in outside insulator foot is provided with screw thread, and primary connection post away from insulator foot
One end is fixedly connected with insulation sleeve, and primary connection post top is provided with screw thread, more facilitate the access of circuit-under-test, and insulation sleeve sets
Put so that safer when connecting；First binding post and the second binding post surface are equipped with screw thread, and the first binding post is used for accessing
Current measuring device, the second binding post is used for accessing Secondary Winding, and winding and fixation are more facilitated after being provided with screw thread；Limited block sets
It is equipped with no less than one group, and limited block is evenly distributed centered on the second binding post, can preferably play spacing effect,
Make being more uniformly stressed for limited block so that structure is more stablized.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the utility model insulator foot structural representation.
In figure：It is 1 first U-shaped iron core, 2 second U-shaped iron cores, 3 secondary connection ends, 4 fixing shells, 5 insulator foots, 6 hollow
Post, 7 limited blocks, 8 Secondary Windings, 9 first windings, 11 connection iron props, 21 grooves, 31 conductive plates, 32 first binding posts, 33 second
Binding post, 34 first insulating lids, 35 second insulating lids, 351 string holes, 41 mounting blocks, 42 mounting holes, 51 primary connection posts.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：
A kind of novel current transformer, including the first U-shaped iron core 1, the second U-shaped iron core 2, secondary connection end 3, fixing shell
4 and insulator foot 5, the two ends of the first U-shaped iron core 1 are fixedly connected with connection iron prop 11, and the two ends of the second U-shaped iron core 2 are provided with
Groove 21, and connection iron prop 11 is actively plugged in groove 21, and the first U-shaped iron core 1 and the second U-shaped iron core 2 are arranged at fixation
In the inner chamber of shell 4, the side wall of fixing shell 4 is provided with mounting blocks 41, and the middle part of mounting blocks 41 offers mounting hole 42, fixed
Shell 4 is connected by mounting blocks 41 with movable shell, and movable shell size is identical with fixing shell 4, and movable shell side wall
Mounting blocks 41 and mounting hole 41 are also equipped with, facilitate the dismounting and fixation of shell, while insulation effect is reached so that split
Work is simpler.
The one end of fixing shell 4 is fixedly connected on insulator foot 5, and fixing shell 4 is symmetrically connected away from one end of insulator foot 5
The intracavity sidewall for having hollow posts 6, hollow posts 6 is fixedly installed limited block 7, and limited block 7 is provided with no less than one group, and limited block
7 are evenly distributed centered on the second binding post 33, can preferably play spacing effect, make the stress of limited block more equal
Even so that structure is more stablized, and secondary connection end 3 is inserted with the inner chamber of hollow posts 6, secondary connection end 3 includes conductive plate
31st, the first binding post 32, the second binding post 33, the first insulating lid 34 and the second insulating lid 35, the first binding post 32 and second connect
Terminal 33 is respectively fixedly connected with the two ends of conductive plate 31, and conductive plate 31 is arranged at limited block 7 away from the one of fixing shell 4
End, the first binding post 32 is connected with the first insulating lid 34 away from one end of conductive plate 31, and the second binding post 33 is away from conductive plate 31
One end be connected with the second insulating lid 35, and the second insulating lid 35 in insertion be provided with string holes 351, the first binding post 32 connects with second
The surface of terminal 33 is equipped with screw thread, and the first binding post 32 is used for accessing current measuring device, and the second binding post 33 is used for accessing two
Secondary winding, winding and fixation are more facilitated after being provided with screw thread.
The two ends that the surface wrap of first U-shaped iron core 1 has Secondary Winding 8, Secondary Winding 8 are connected to by string holes 351 respectively
Second binding post 33, the surface wrap of the second U-shaped iron core 2 once winding 9, the two ends of first winding 9 are connected to and once connect
Terminal 51, primary connection post 51 is plugged in insulator foot 5, and the inside of insulator foot 5 is fixed in one end of primary connection post 51
And the other end extends the side wall of insulator foot 5, the part that primary connection post 51 is in outside insulator foot 5 is provided with screw thread, and one
Secondary binding post 51 is fixedly connected with insulation sleeve away from one end of insulator foot 5, and the top of primary connection post 51 is provided with screw thread, more just
Just the access of circuit-under-test, the setting of insulation sleeve is safer when causing to connect.
Operation principle：When needing measurement, circuit-under-test is connected on primary connection post 51, current measuring device is connected
To first binding post 32 at secondary connection end 3, measurement is completed；, it is necessary to change the circle of Secondary Winding 8 after replacing measuring circuit
Number, now movable shell is removed, the first U-shaped iron core 1 is extracted from the second U-shaped iron core 2, then untie Secondary Winding 8 and
The connection of the second binding post 33, takes out the first U-shaped iron core 1, changes one and is wound with the first U-shaped of different number of turn Secondary Windings 8
Iron core 1, installs the first U-shaped iron core 1 according to the order opposite with mode of removing, and then carries out next step measurement.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out various changes in the case where principle of the present utility model and spirit is not departed from, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of novel current transformer, including the first U-shaped iron core (1), the second U-shaped iron core (2), secondary connection end (3), fixation
Shell (4) and insulator foot (5), it is characterised in that：The two ends of the first U-shaped iron core (1) are fixedly connected with connection iron prop
(11), the two ends of the described second U-shaped iron core (2) set fluted (21), and connection iron prop (11) is actively plugged in groove
(21) in, and the first U-shaped iron core (1) is arranged in fixing shell (4) inner chamber with the second U-shaped iron core (2), outside the fixation
Shell (4) one end is fixedly connected on insulator foot (5), and the fixing shell (4) is symmetrically connected with away from one end of insulator foot (5)
Hollow posts (6), the intracavity sidewall of the hollow posts (6) is fixedly installed in limited block (7), and the inner chamber of the hollow posts (6)
Secondary connection end (3) is inserted with, the secondary connection end (3) includes conductive plate (31), the first binding post (32), the second binding post
(33), the first insulating lid (34) and the second insulating lid (35), first binding post (32) and the second binding post (33) are solid respectively
Surely the two ends of conductive plate (31) are connected to, and the conductive plate (31) is arranged at limited block (7) away from the one of fixing shell (4)
End, first binding post (32) is connected with the first insulating lid (34), second binding post away from one end of conductive plate (31)
(33) insertion is provided with line during the one end away from conductive plate (31) is connected with the second insulating lid (35), and second insulating lid (35)
Hole (351), the two ends that first U-shaped iron core (1) surface wrap has Secondary Winding (8), the Secondary Winding (8) pass through respectively
String holes (351) is connected to the second binding post (33), second U-shaped iron core (2) surface wrap once winding (9), described one
The two ends of secondary winding (9) are connected to primary connection post (51), and the primary connection post (51) is plugged in insulator foot (5)
In, one end of the primary connection post (51) is fixed on the inside of insulator foot (5) and the other end extends insulator foot (5) side
Wall.
2. a kind of novel current transformer according to claim 1, it is characterised in that：The side wall of the fixing shell (4)
It is provided with and mounting hole (42) is offered in the middle part of mounting blocks (41), and the mounting blocks (41), the fixing shell (4) is by peace
Dress block (41) connect with movable shell, the movable shell size is identical with fixing shell (4), and the movable shell side wall
It is also equipped with mounting blocks (41) and mounting hole (42).
3. a kind of novel current transformer according to claim 1, it is characterised in that：The primary connection post (51) is in
The outside part of insulator foot (5) is provided with screw thread, and the primary connection post (51) is fixed away from one end of insulator foot (5) and connected
It is connected to insulation sleeve.
4. a kind of novel current transformer according to claim 1, it is characterised in that：First binding post (32) and the
Two binding posts (33) surface is equipped with screw thread.
5. a kind of novel current transformer according to claim 1, it is characterised in that：The limited block (7) is provided with not
Less than one group, and the limited block (7) is evenly distributed centered on the second binding post (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621387856.XU CN206282715U (en) | 2016-12-17 | 2016-12-17 | A kind of novel current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621387856.XU CN206282715U (en) | 2016-12-17 | 2016-12-17 | A kind of novel current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206282715U true CN206282715U (en) | 2017-06-27 |
Family
ID=59073754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621387856.XU Expired - Fee Related CN206282715U (en) | 2016-12-17 | 2016-12-17 | A kind of novel current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206282715U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113311375A (en) * | 2021-05-06 | 2021-08-27 | 智慧计量检测(海南)有限公司 | Current transformer fast switching test device |
-
2016
- 2016-12-17 CN CN201621387856.XU patent/CN206282715U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113311375A (en) * | 2021-05-06 | 2021-08-27 | 智慧计量检测(海南)有限公司 | Current transformer fast switching test device |
| CN113311375B (en) * | 2021-05-06 | 2024-04-23 | 智慧计量检测(海南)有限公司 | Quick switching test device for current transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170627 Termination date: 20191217 |