CN208225673U - A kind of New Anti-interference current transformer - Google Patents
A kind of New Anti-interference current transformer Download PDFInfo
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- CN208225673U CN208225673U CN201820177441.2U CN201820177441U CN208225673U CN 208225673 U CN208225673 U CN 208225673U CN 201820177441 U CN201820177441 U CN 201820177441U CN 208225673 U CN208225673 U CN 208225673U
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Abstract
The utility model discloses a kind of New Anti-interference current transformers, including insulator foot and magnetic core main body, magnetic core body surfaces two sides are respectively arranged with first coil and the second coil, magnetic core main body is connect by connecting column with insulator foot, magnetic core body surfaces are provided with protective cover, protective cover is internally provided with cooling mechanism, cooling mechanism includes the cooling bath for being mounted on pars intramuralis in protective cover, cooling bath side is connected with several parallel heat-conducting plates, the inner one end of heat-conducting plate is connected with heat conductive isolation sheet, cooling bath inner wall outside is connected with several inclination aluminium sheet protective cover tops and is equipped with support base, support base bottom end two sides are connected separately with bumper post, bumper post is connect by spring pad with protective cover inner wall, and it is connect by pressure-bearing rod with protective cover inner wall on the outside of bumper post, mutual inductor inside is carried out by the cooling mechanism of circulation cooling fast Speed heat dissipation, plays good protective effect to mutual inductor, while bearing capacity is strong, transport is hardly damaged.
Description
Technical field
The utility model relates to transformer technical field, specially a kind of New Anti-interference 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 measured in needs
In the route of electric current.
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.Current transformer is primary side high current
Secondary side low current is converted into measure, secondary side can not open a way.
But existing current transformer is primarily present following defect:
(1) general current transformer is due to sometimes for working long hours, and when electric current passes through can generate partial heat,
If long-term work is radiated not in time, not only coil resistance is increased, but also mutual inductor internal structure can be damaged
Effect, influences its service life；
(2) simultaneously, when transport, since general current transformer lacks safeguard measure, external pressure is being born
When be easy to damage, be unfavorable for using.
Summary of the invention
In order to overcome the shortcomings of prior art, the utility model provides a kind of New Anti-interference current transformer, leads to
The cooling mechanism for crossing circulation cooling carries out rapid cooling to mutual inductor inside, plays good protective effect to mutual inductor, together
When bearing capacity it is strong, transport is hardly damaged, can effectively solve background technique propose the problem of.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of New Anti-interference current transformer, including insulator foot and magnetic core main body, magnetic core body surfaces two sides
It is respectively arranged with first coil and the second coil, the magnetic core main body is connect by connecting column with insulator foot, the magnetic core master
Body surface face is provided with protective cover, and the protective cover is internally provided with cooling mechanism；
The cooling mechanism includes the cooling bath for being mounted on pars intramuralis in protective cover, and the cooling bath side is connected with several
A parallel heat-conducting plate, described inner one end of heat-conducting plate is connected with heat conductive isolation sheet, if the heat conductive isolation sheet surface is provided with
Dry via hole, the cooling bath inner wall outside are connected with several inclination aluminium sheets, and the inclination aluminium sheet top is connected with protection
Pad, and be fixedly connected between adjacent inclination aluminium sheet by connecting copper mesh, the protective cover top is equipped with support base, the branch
Support seat bottom end two sides are connected separately with bumper post, and the bumper post is connect by spring pad with protective cover inner wall, and outside bumper post
Side is connect by pressure-bearing rod with protective cover inner wall.
Further, the support seating face is provided with silicone rubber pad, and is connected with several bullets between two bumper posts
Property plate, TPU pad is connected between adjacent elastic plate.
Further, protective cover surface two sides are provided with the conducting being electrically connected with first coil, the second coil
Seat, the conducting seating face are provided with conducting ferrule.
Further, it is provided with screw sheel outside the conducting ferrule, the screw sheel spiral is socketed in conducting
Inside ferrule, and insulator foot is internally provided with pressure foot, and insulator foot is tightly connected by collision mat and protective cover.
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model is effectively reduced by cooling mechanism to circulating heat dissipation is carried out inside entire current transformer
The heat that inside generates, plays the role of good heat radiation protection to current transformer, prolongs its service life；
(2) the utility model protects entire current transformer using the support base with buffering effect, so that electric
The bearing capacity of current transformer is stronger, is not easy to squeeze and damage when carrying and transport.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Figure label:
1- insulator foot；2- magnetic core main body；3- first coil；The second coil of 4-；5- connecting column；6- protective cover；7- heat dissipation
Mechanism；8- support base；9- conduction block；Ferrule is connected in 10-；11- screw sheel；12- collision mat；13- pressure foot；
701- cooling bath；702- heat-conducting plate；703- heat conductive isolation sheet；704- via hole；705- tilts aluminium sheet；706- protection
Pad；707- connection copper mesh；
801- bumper post；802- spring pad；803- pressure-bearing rod；804- silicone rubber pad；805- elastic plate；806-TPU pad.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, the utility model provides a kind of New Anti-interference current transformer, including insulator foot 1 and magnetic
Core main body 2, the 2 surface two sides of magnetic core main body are respectively arranged with first coil 3 and the second coil 4, and the magnetic core main body 2 passes through
Connecting column 5 is connect with insulator foot 1, and 2 surface of magnetic core main body is provided with protective cover 6, and the protective cover 6 is internally provided with scattered
Heat engine structure 7, the current transformer are radiated by the cooling mechanism 7 inside protective cover 6, while guaranteeing good sealing property,
The heat that operation of current transformers is generated is sufficiently transmitted to outside, is played to current transformer inside good
Protective effect effectively prolongs its service life, while it is dangerous to avoid long-term work fever from generating, and use when is safer.
The cooling mechanism 7 includes the cooling bath 701 for being mounted on pars intramuralis in protective cover 6,701 side of cooling bath
Several parallel heat-conducting plates 702 are connected with, the inner one end of the heat-conducting plate 702 is connected with heat conductive isolation sheet 703, described thermally conductive
703 surface of insulating trip is provided with several via holes 704, and 701 inner wall outside of cooling bath is connected with several inclination aluminium sheets
705,705 top of inclination aluminium sheet is connected with protective pad 706, and passes through connection copper mesh 707 between adjacent inclination aluminium sheet 705
It is fixedly connected, while carrying out thermally conductive by heat conductive isolation sheet 703, plays good insulating effect, simultaneously turn on setting for hole 704
The hot gas circulation effect inside enhancing protective cover 6 is set, so that heat is handed between the hot gas and heat conductive isolation sheet 703 inside conducting cover 6
It changes faster, heat is transferred to heat-conducting plate 702 by heat conductive isolation sheet 703, enters cooling bath 701 later, passes through cooling bath 701
Internal coolant liquid carries out heat absorption cooling, so that the heat of heat-conducting plate 702 is transmitted directly to inside cooling bath 701, realizes
Preliminary heat transfer process.
Later, it is radiated by the inclination aluminium sheet 705 outside 701 inner wall of cooling bath, the coolant liquid constantly heated is opened
Begin to evaporate and rise and enter inside oblique aluminum plate 705, into the cooling liquid steam inside inclination aluminium sheet 705 and tilts aluminium sheet 705
Between heat exchange occurs, tilt aluminium sheet 705 later and external air occur heat exchange and carries out hot transmitting, thus by the heat of steam
Indirect communication is measured to outside air, to realize radiation processes, the steam after radiating is completed and loses heat liquefaction, along inclination
Aluminium sheet 705 back flows into inside cooling bath 701, to realize circulation cooling.
It is fixedly connected between inclination aluminium sheet 705 adjacent simultaneously by connecting copper mesh 707, by inclination aluminium sheet 705 and even
The compound action for connecing copper mesh 707 plays good shield effectiveness, effectively reduces external electromagnetic signal and produces to current transformer inside
Raw interference effect, while being protected by 706 pairs of inclination aluminium sheets 705 of protective pad, avoid inclination aluminium sheet 705 from damaging same
When, it is more comfortable when in use.
It should be added that 6 top of protective cover is equipped with support base 8,8 bottom end two sides of the support base difference
It is connected with bumper post 801, the bumper post 801 is connect by spring pad 802 with 6 inner wall of protective cover, and is led on the outside of bumper post 801
It crosses pressure-bearing rod 803 to connect with 6 inner wall of protective cover, while being supported protection using support base 8, pass through the buffering of bumper post 801
Effect, so that there is good buffer function between support base 8 and protective cover 6, it, can be to guarantor when support base 8 bears pressure
Shield 6 plays a good protective effect.
8 surface of support base is provided with silicone rubber pad 804, and several elasticity are connected between two bumper posts 801
Plate 805 is connected with TPU pad 806 between adjacent elastic plate 805, and when support base 8 is under pressure, bumper post 801 is squeezed
Effect carries out buffer protection so that elastic plate 805 is stretched, and on the other hand, bears pressure effect by pressure-bearing rod 803, guarantees
Whole stability is combined formula buffering by bumper post 801 and elastic plate 805, so that support base 8 is when under pressure,
Good buffer protection function can be played, prevents from squeezing and damaging when carrying and transport, efficiently solves existing skill
The problem of load-bearing damage is easy when mutual inductor is carried in art.
It further illustrates, the 6 surface two sides of protective cover are provided with electrically to be connected with first coil 3, the second coil 4
The conduction block 9 connect, 9 surface of conduction block are provided with conducting ferrule 10, are provided with spiral outside the conducting ferrule 10
Sleeve 11,11 spiral of screw sheel is socketed in inside conducting ferrule 10, by the protective effect of screw sheel 11, so that
Conducting ferrule 10 can open and close at any time, play good protective effect, prevent from damaging because of corrosion.
And insulator foot 1 is internally provided with pressure foot 13, insulator foot 1 is connected by collision mat 12 and the sealing of protective cover 6
It connects, while being not prone to tip over using the weight that pressure foot 13 increases insulator foot 1 so that insulator foot 1 is more stable, and waterproof
Pad 12 makes entirety have good sealing effect, and waterproof seal is good, and inside is hardly damaged.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (4)
1. a kind of New Anti-interference current transformer, including insulator foot (1) and magnetic core main body (2), magnetic core main body (2) table
Face two sides are respectively arranged with first coil (3) and the second coil (4), it is characterised in that: the magnetic core main body (2) passes through connecting column
(5) it is connect with insulator foot (1), magnetic core main body (2) surface is provided with protective cover (6), setting inside the protective cover (6)
There are cooling mechanism (7)；
The cooling mechanism (7) includes the cooling bath (701) for being mounted on protective cover (6) interior pars intramuralis, cooling bath (701) side
Face is connected with several parallel heat-conducting plates (702), and the inner one end of the heat-conducting plate (702) is connected with heat conductive isolation sheet (703),
Heat conductive isolation sheet (703) surface is provided with several via holes (704), and cooling bath (701) inner wall outside is connected with
Several inclinations aluminium sheet (705), inclination aluminium sheet (705) top is connected with protective pad (706), and adjacent inclination aluminium sheet
(705) it is fixedly connected between by connecting copper mesh (707), protective cover (6) top is equipped with support base (8), the support
Seat (8) bottom end two sides are connected separately with bumper post (801), and the bumper post (801) passes through spring pad (802) and protective cover (6)
Inner wall connection, and connect by pressure-bearing rod (803) with protective cover (6) inner wall on the outside of bumper post (801).
2. a kind of New Anti-interference current transformer according to claim 1, it is characterised in that: support base (8) table
Face is provided with silicone rubber pad (804), and several elastic plates (805), adjacent elasticity are connected between two bumper posts (801)
TPU pad (806) is connected between plate (805).
3. a kind of New Anti-interference current transformer according to claim 1, it is characterised in that: protective cover (6) table
Face two sides are provided with the conduction block (9) being electrically connected with first coil (3), the second coil (4), conduction block (9) surface
It is provided with conducting ferrule (10).
4. a kind of New Anti-interference current transformer according to claim 3, it is characterised in that: the conducting ferrule
(10) external to be provided with screw sheel (11), it is internal and exhausted that screw sheel (11) spiral is socketed in conducting ferrule (10)
Edge pedestal (1) is internally provided with pressure foot (13), and insulator foot (1) is tightly connected by collision mat (12) and protective cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820177441.2U CN208225673U (en) | 2018-02-01 | 2018-02-01 | A kind of New Anti-interference current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820177441.2U CN208225673U (en) | 2018-02-01 | 2018-02-01 | A kind of New Anti-interference current transformer |
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| Publication Number | Publication Date |
|---|---|
| CN208225673U true CN208225673U (en) | 2018-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820177441.2U Active CN208225673U (en) | 2018-02-01 | 2018-02-01 | A kind of New Anti-interference current transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112698239A (en) * | 2020-11-10 | 2021-04-23 | 国网山东省电力公司淄博供电公司 | Portable mutual inductor polarity tester |
-
2018
- 2018-02-01 CN CN201820177441.2U patent/CN208225673U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112698239A (en) * | 2020-11-10 | 2021-04-23 | 国网山东省电力公司淄博供电公司 | Portable mutual inductor polarity tester |
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