CN208298686U - A kind of current transformer - Google Patents
A kind of current transformer Download PDFInfo
- Publication number
- CN208298686U CN208298686U CN201820806929.7U CN201820806929U CN208298686U CN 208298686 U CN208298686 U CN 208298686U CN 201820806929 U CN201820806929 U CN 201820806929U CN 208298686 U CN208298686 U CN 208298686U
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- CN
- China
- Prior art keywords
- bracket
- holding
- spring
- supporting element
- slot
- 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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- Transformers For Measuring Instruments (AREA)
Abstract
The utility model relates to a kind of current transformers, including ontology, the center of ontology is equipped with fixed hole, the side of ontology is equipped with fixed device, the fixed device includes pedestal, bracket and supporting element, the supporting element is placed in fixed hole, and supporting element one end is equipped with blind hole, supporting element and bracket are flexibly connected by axis, bracket side is equipped with the terminal pad being arranged on axis, terminal pad one end is equipped with holding part, spring a is equipped between holding part and bracket, and holding securing supports in blind hole are protruded into holding part one end, movable part is fixedly connected with immediately below bracket, movable part periphery is equipped with equally distributed notch, pedestal is equipped with the movable span matched with movable part, the side of movable span is equipped with T-slot, finite place piece and spring b are placed in the T-slot；By adopting the above-described technical solution, a kind of current transformer realizes the angle adjustment of current transformer, is allowed to more adapt to circuit question complicated when installation by the way that fixed device is arranged.
Description
Technical field
The utility model relates to circuit arrangement field, especially a kind of current transformer.
Background technique
Primary side high current is converted into secondary side low current to measure according to electromagnetic induction principle by current transformer
Instrument.
Current transformer is made of the iron core and winding being closed, its first side winding the number of turns is seldom, and string is needing to survey
In the route of the electric current of amount.
Therefore it often there are whole electric currents of route to flow through, secondary side winding turn ratio is more, be serially connected in measuring instrumentss with
In protective loop, at work, its secondary side circuit is closure always to current transformer, therefore measuring instrumentss and is protected back
The impedance very little of road series coil, the close short circuit of the working condition of current transformer.
Existing current transformer is typically only capable to one direction installation of selection, it is difficult to adjust the angle, to the installation band of route
It is inconvenient to come.
Utility model content
For the deficiency in background technique, the utility model provides a kind of current transformer, and overcomes disadvantages described above.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of current transformer, including ontology, the center of ontology are equipped with fixed hole, and the side of ontology is equipped with fixed dress
It sets, the fixed device includes pedestal, bracket and supporting element, and the supporting element is placed in fixed hole, and supporting element one end
Equipped with equally distributed blind hole, supporting element and bracket are flexibly connected by axis, and bracket side is equipped with the terminal pad being arranged on axis,
Terminal pad one end is equipped with holding part, spring a is equipped between holding part and bracket, and holding part one end is protruded into holding in blind hole and fixed
Supporting element, bracket underface are fixedly connected with movable part, and the movable part periphery is equipped with equally distributed notch, and pedestal is equipped with
The movable span matched with movable part, the side of the movable span are equipped with T-slot, place finite place piece and bullet in the T-slot
Spring b, the spring b are set between locating part and T-slot side wall.
The holding part, which is equipped with, resets ring, and described reset ring one end is bonded with rack surface, the other end and terminal pad card
Fixed spring a is set, the holding part other end is equipped with pulling plate a, and the spring a is arranged on holding part.
The locating part includes closing piece, restoring board and pulling plate b, and the closing piece and pulling plate b are respectively arranged at the two of locating part
End, restoring board are set between the two, and closing piece protrudes into holding in notch and fixes movable part, restoring board one end and T-slot surface
Spring b is placed in T-slot by fitting, the other end.
The quadrangle of the pedestal is equipped with screw hole.
By adopting the above-described technical solution, a kind of current transformer realizes Current Mutual Inductance by the way that fixed device is arranged
The angle of device adjusts, and is allowed to more adapt to circuit question complicated when installation.The utility model structure is simple, easy for installation,
The effective solution installation question of current transformer.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the decomposition diagram of the utility model.
Fig. 3 is the structural scheme of mechanism of Fig. 1 ontology 1.
Fig. 4 is the bottom view of the utility model.
In figure: 1, ontology；11, fixed hole；2, pedestal；21, movable span；22, T-slot；23, screw hole；3, bracket；
31, terminal pad；32, movable part；321, notch；4, supporting element；41, blind hole；5, holding part；51, ring is resetted；52, pulling plate a；6,
Spring a；7, locating part；71, closing piece；72, restoring board；73, pulling plate b；8, spring b.
Specific embodiment
Hereinafter, for a more detailed description to the utility model with embodiment combination attached drawing.This embodiment is only to this
The description of utility model preferred forms, does not have any restrictions to the scope of the utility model.
As shown in Figures 1 to 4, the center of a kind of current transformer, including ontology 1, ontology 1 is equipped with fixed hole 11, this
The side of body 1 is equipped with fixed device, and the fixed device includes pedestal 2, bracket 3 and supporting element 4, and the supporting element 4 is placed in
In fixed hole 11, and 4 one end of supporting element is equipped with equally distributed blind hole 41, supporting element 4 and bracket 3 and is flexibly connected by axis,
3 side of bracket is equipped with the terminal pad 31 being arranged on axis, and 31 one end of terminal pad is equipped with holding part 5, between holding part 5 and bracket 3
Equipped with spring a6, and holding securing supports 4 in blind hole 41 are protruded into 5 one end of holding part, are fixedly connected with activity immediately below bracket 3
Part 32,32 periphery of movable part are equipped with equally distributed notch 321, and pedestal 2 is equipped with the activity matched with movable part 32
Hole 21, the side of the movable span 21 are equipped with T-slot 22, place finite place piece 7 and spring b8, the bullet in the T-slot 22
Spring b8 is set between 22 side wall of locating part 7 and T-slot.
Ontology 1 is set to the middle position of bracket 3, support shaft 4 by the cooperation holding ontology 1 with fixed hole 11, and
The above three is flexibly connected by axis, and support shaft 4 is enable to rotate around the axle center of axis, drives ontology 1 while rotating
Synchronous rotary, support shaft 4 is fixed in holding can fix ontology 1, and the setting of terminal pad 31, holding part 5 is exactly to realize
Support shaft 4 is fixed in holding, and spring a6 plays the reset response of holding part 5, can be blocked again after the rotation of support shaft 4
Fixation is set, the corresponding blind hole 41 of support shaft 4 is exactly to cooperate set by holding fixation of the holding part 5 to support shaft 4.
The holding part 5, which is equipped with, resets ring 51, and described 51 one end of reset ring is bonded with 3 surface of bracket, the other end and company
31 holding fixed spring a6 of disk is met, 5 other end of holding part is equipped with pulling plate a52, and the spring a6 is arranged on holding part 5；Holding
The main function of part 5 is holding securing supports 4, and holding part 5 is each passed through terminal pad 31 and bracket 3, keeps both holding solid
It is fixed, and after one end and the cooperation of blind hole 41, fix supporting element 4 with bracket 3 and 31 holding of terminal pad.
The locating part 7 includes closing piece 71, restoring board 72 and pulling plate b73, and the closing piece 71 and pulling plate b73 are respectively arranged at
The both ends of locating part 7, restoring board 72 are set between the two, and closing piece 71 protrudes into holding in notch 321 and fixes movable part 32, multiple
Position 72 one end of plate is bonded with 22 surface of T-slot, and spring b8 is placed in T-slot 22 by the other end；The main function of locating part 7 is
Movable part 32 is fixed in holding, and restoring board 72, spring b8 and pulling plate b73 cooperate, and pulling plate b73 is set to the side of pedestal 2, side
Just closing piece 71 is pulled away from notch 321.
The quadrangle of the pedestal 2 is equipped with screw hole 23；For being connected and fixed for pedestal 2.
Specific working principle are as follows:
Ontology 1 is connection line and the main place that works, and fixed device plays the work of adjustment 1 relative position of ontology
With；
It is the angle adjustment of ontology 1 first:
It catches on pulling plate a52 and exerts a force, make holding part 5 is whole to move to far from 4 direction of supporting element, reset ring 51 and terminal pad
The distance between 31 shorten, and spring a6 compression, the holding that 5 one end of holding part is detached from supporting element 4 is fixed, and make supporting element 4 and ontology 1
The angle adjustment for carrying out ontology 1 can be rotated around the axle center of axis；
Further, after the completion of adjustment, unclamp to the force of pulling plate a52, spring a6 resets, push holding part 5 whole to
The movement of 4 direction of supporting element fixes 4 holding of supporting element until one end of holding part 5 is extend into one of blind hole 41；
The followed by direction adjustment of ontology 1:
It catches on pulling plate b8 and exerts a force, make locating part 7 is whole to move to far from 32 direction of movable part, restoring board 72 and T-slot
The distance between 22 side walls shorten, and spring b8 compression, closing piece 73 is detached from the cooperation with notch 321, enables movable part 32 around it
Axle center makes rotating motion, and adjusts the direction of ontology 1；
Further, after the completion of adjustment, the force to pulling plate b8 is unclamped, spring b8 resets, and pushes locating part 7 whole to work
32 counter motion of moving part, until closing piece 73 extend into cooperate in notch 321 with it and fixes movable part holding.
By adopting the above-described technical solution, a kind of current transformer realizes Current Mutual Inductance by the way that fixed device is arranged
The angle of device adjusts, and is allowed to more adapt to circuit question complicated when installation.The utility model structure is simple, easy for installation,
Angle adjustable problem when effective solution current transformer installation.
Obviously, above-described embodiment is just for the sake of clearly illustrating done citing, and does not limit the embodiments.
To those of ordinary skill in the art, other various forms of variations or change can also be made on the basis of the above description
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And obvious variation extended from this or change
It moves still in the protection scope of the utility model.
Claims (4)
1. a kind of current transformer, including ontology (1), it is characterised in that: the center of ontology (1) is equipped with fixed hole (11), this
The side of body (1) is equipped with fixed device, and the fixed device includes pedestal (2), bracket (3) and supporting element (4), the supporting element
(4) it is placed in fixed hole (11), and supporting element (4) one end is equipped with equally distributed blind hole (41), supporting element (4) and bracket
(3) it is flexibly connected by axis, bracket (3) side is equipped with the terminal pad (31) being arranged on axis, and terminal pad (31) one end is equipped with card
Set part (5), spring a(6 be equipped between holding part (5) and bracket (3)), and blind hole (41) interior holding is protruded into holding part (5) one end
Securing supports (4), bracket (3) underface are fixedly connected with movable part (32), and movable part (32) periphery, which is equipped with, uniformly to be divided
The notch (321) of cloth, pedestal (2) are equipped with the movable span (21) that matches with movable part (32), and the one of the movable span (21)
Side is equipped with T-slot (22), and finite place piece (7) and spring b(8 are placed in the T-slot (22)), the spring b(8) it is set to limit
Between part (7) and T-slot (22) side wall of position.
2. a kind of current transformer according to claim 1, it is characterised in that: the holding part (5), which is equipped with, resets ring
(51), the reset ring (51) one end is bonded with bracket (3) surface, the other end and terminal pad (31) holding fixed spring a(6),
Holding part (5) other end is equipped with pulling plate a(52), the spring a(6) it is arranged on holding part (5).
3. a kind of current transformer according to claim 1, it is characterised in that: the locating part (7) include closing piece (71),
Restoring board (72) and pulling plate b(73), the closing piece (71) and pulling plate b(73) it is respectively arranged at the both ends of locating part (7), restoring board
(72) it is set between the two, and closing piece (71) protrudes into the interior holding of notch (321) and fixes movable part (32), restoring board (72) one end
It is bonded with T-slot (22) surface, spring b(8) is placed in T-slot (22) by the other end.
4. a kind of current transformer according to claim 1, it is characterised in that: the quadrangle of the pedestal (2) is equipped with spiral shell
Wire hole (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820806929.7U CN208298686U (en) | 2018-05-29 | 2018-05-29 | A kind of current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820806929.7U CN208298686U (en) | 2018-05-29 | 2018-05-29 | A kind of current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208298686U true CN208298686U (en) | 2018-12-28 |
Family
ID=64727442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820806929.7U Expired - Fee Related CN208298686U (en) | 2018-05-29 | 2018-05-29 | A kind of current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208298686U (en) |
-
2018
- 2018-05-29 CN CN201820806929.7U patent/CN208298686U/en not_active Expired - Fee Related
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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: 20181228 Termination date: 20190529 |