CN207250307U - A kind of heat dissipation type current transformer easy to repair - Google Patents
A kind of heat dissipation type current transformer easy to repair Download PDFInfo
- Publication number
- CN207250307U CN207250307U CN201721184251.5U CN201721184251U CN207250307U CN 207250307 U CN207250307 U CN 207250307U CN 201721184251 U CN201721184251 U CN 201721184251U CN 207250307 U CN207250307 U CN 207250307U
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- China
- Prior art keywords
- heat dissipation
- protective cover
- heat
- heat sink
- upper protective
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Abstract
The utility model discloses a kind of heat dissipation type current transformer easy to repair, including upper protective cover, heat sink strip, lower protective plate and heat sink, the inside of the upper protective cover is fixed with limit card block, and upper protective cover is internally provided with heat dissipation cavity, the heat sink strip is located at the inside of heat dissipation cavity, and heat sink strip is connected by electric cooling piece with heat absorption water pocket, the heat absorption water pocket is located at the outside of heat dissipation cavity, and the both sides up and down inside heat dissipation cavity are provided with fixed groove, the inside of the fixed pedestal offers screw jack, the outer surface of the upper protective cover is connected with positioning screw.The heat dissipation type current transformer easy to repair, electric cooling piece carries out lasting heat dissipation work to heat dissipation water pocket, so that the inside of upper protective cover carries out lasting heat dissipation work, fixed groove and fixed fixture block are detachably installed, avoid protective cover and lower protective cover arranged in dislocation, so as to influence the effect of heat dissipation, positioning screw causes protective cover installation easy to disassemble.
Description
Technical field
Current transformer art field is the utility model is related to, is specially a kind of heat dissipation type current transformer easy to repair.
Background technology
Current transformer principle is according to electromagnetic induction principle.Current transformer is the iron core and winding group by closing
Into.Its first side winding number of turn is seldom, goes here and there in the circuit for the electric current for needing to measure, therefore it often has all electricity of circuit
Stream flows through, and secondary side winding turn ratio is more, is serially connected in measuring instrumentss and protective loop.Due to passing through inside current transformer
Circuit it is larger, so internal easily produce heat, existing current transformer cannot carry out cooling processing to inside well,
In addition, the circuit inside existing mutual inductor is all fixedly mounted in lower protective cover, inconvenience is removed and installed.
Utility model content
The purpose of this utility model is to provide a kind of heat dissipation type current transformer easy to repair, to solve above-mentioned background
It is proposed that existing current transformer cannot carry out cooling processing to inside well in technology, in addition, inside existing mutual inductor
Circuit be all fixedly mounted in lower protective cover, the problem of inconvenience is removed and installed.
To achieve the above object, the utility model provides following technical solution：A kind of heat dissipation type electric current easy to repair is mutual
Sensor, including upper protective cover, heat sink strip, lower protective plate and heat sink, the inside of the upper protective cover are fixed with limit card block, and
Upper protective cover is internally provided with heat dissipation cavity, and the heat sink strip is located at the inside of heat dissipation cavity, and heat sink strip by electric cooling piece with
Heat absorption water pocket is connected, and the heat absorption water pocket is located at the outside of heat dissipation cavity, and the both sides up and down inside heat dissipation cavity are provided with fixation
Groove, the inside of the upper protective cover are provided with rubber sheet gasket, and fixed pedestal is connected with below the lower protective plate, and lower anti-
The inside of backplate is provided with elastic clamping block, the heat sink is located at the surface of lower protective plate, and lower protective plate is internally provided with
Fixing threaded hole, the inside of the fixed pedestal offer screw jack, and the outer surface of the upper protective cover is connected with positioning screw.
Preferably, the outside diameter of the upper protective cover is equal with the internal diameter of lower protective plate, and the inside of upper protective cover is angularly
It is provided with 4 limit card blocks.
Preferably, the heat sink strip is arranged to continuous incline structure, and its with heat absorption water pocket all in upper protective cover
Heart line is symmetrically installed with 2, and heat sink strip and heat absorption water pocket are vertical distribution.
Preferably, the fixed groove has 2, and fixed groove and elastic card on upper protective cover center line symmetrical setting
Block forms detachable mounting structure.
Preferably, the length of the heat sink is more than the length of heat sink strip.
Preferably, the center of circle of the fixing threaded hole and positioning screw is same horizontal line.
Compared with prior art, the beneficial effects of the utility model are：The heat dissipation type current transformer easy to repair, electricity
Road is installed in upper protective cover, and the design of limit card block avoids circuit from being shifted over, and heat absorption water pocket is inhaled internal heat
It is attached, the effect of radiating and cooling is played, electric cooling piece is easy to the heat transfer by the water pocket that absorbs heat to heat sink strip, heat sink strip and heat sink
Coincide connection so that and the outside that heat distributes rapidly, the design of electric cooling piece can carry out lasting heat dissipation work to heat dissipation water pocket,
So that the inside of upper protective cover carries out lasting heat dissipation work, improve the effect of cooling, fixed groove and fixed fixture block into
The detachable installation of row, easy to be fixed to upper protective cover, avoids protective cover and lower protective cover arranged in dislocation, so as to make
Into heat sink strip and heat sink arranged in dislocation, the effect to radiate is influenced, positioning screw causes protective cover installation easy to disassemble, the above
The overall practicality of design increase.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is protective cover internal structure schematic diagram on the utility model；
Fig. 3 is protective cover positive structure diagram under the utility model；
Fig. 4 is the utility model entirety positive structure diagram.
In figure：1st, upper protective cover, 2, limit card block, 3, heat dissipation cavity, 4, heat sink strip, 5, electric cooling piece, 6, heat absorption water pocket, 7,
Fixed groove, 8, rubber sheet gasket, 9, fixed pedestal, 10, lower protective cover, 11, elastic clamping block, 12, heat sink, 13, fixing threaded hole,
14th, screw jack, 15, positioning screw.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
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 embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of heat dissipation type Current Mutual Inductance easy to repair
Device, including upper protective cover 1, limit card block 2, heat dissipation cavity 3, heat sink strip 4, electric cooling piece 5, heat absorption water pocket 6, fixed groove 7, rubber
Gasket 8, fixed pedestal 9, lower protective cover 10, elastic clamping block 11, heat sink 12, fixing threaded hole 13, screw jack 14 and positioning spiral shell
Nail 15, the inside of upper protective cover 1 is fixed with limit card block 2, and the outside diameter of upper protective cover 1 is equal with the internal diameter of lower protective plate 10, and
The inside of upper protective cover 1 is angularly provided with 4 limit card blocks 2, is installed easy to upper protective cover 1 and lower protective cover 10, limit
Position fixture block 2 can fix internal circuit, avoid circuit shift, and upper protective cover 1 is internally provided with heat dissipation cavity 3,
Heat sink strip 4 is located at the inside of heat dissipation cavity 3, and heat sink strip 4 is connected by electric cooling piece 5 with heat absorption water pocket 6, and heat sink strip 4 is set
For continuous incline structure, increase the area of heat dissipation, and heat sink strip 4 and heat absorption water pocket 6 are symmetrical all on upper 1 center line of protective cover
2 are provided with, and heat sink strip 4 and heat absorption water pocket 6 are vertical distribution, and design is reasonable, and easy to the transmission of heat, absorb heat water pocket 6
Positioned at the outside of heat dissipation cavity 3, and the both sides up and down inside heat dissipation cavity 3 are provided with fixed groove 7, and fixed groove 7 is on upper protection
1 center line symmetrical setting of lid has 2, and fixed groove 7 forms detachable mounting structure with elastic clamping block 11, avoids protective cover
1 with lower 10 arranged in dislocation of protective cover so that heat sink strip 4 and 12 arranged in dislocation of heat sink, influence the effect of heat dissipation, upper protection
The inside of lid 1 is provided with rubber sheet gasket 8, and the lower section of lower protective plate 10 is connected with fixed pedestal 9, and the inside peace of lower protective plate 10
Equipped with elastic clamping block 11, heat sink 12 is located at the surface of lower protective plate 10, and the length of heat sink 12 is more than the length of heat sink strip 4,
Being conducive to be dispersed into the heat on heat sink strip 4 in the air of outside, lower protective plate 10 is internally provided with fixing threaded hole 13, Gu
It is same horizontal line to determine screw hole 13 and the center of circle of positioning screw 15, both are fixed, so as to upper protective cover 1 and lower protective cover
10 are fixed installation, and the inside of fixed pedestal 9 offers screw jack 14, and the outer surface of upper protective cover 1 is connected with positioning spiral shell
Nail 15.
Operation principle：When the current transformer is installed, internal circuit is installed in the limit card block 2 in upper protective cover 1
Portion, limit card block 2 avoid circuit shift, increase the area of upper 1 internal voids of protective cover in addition, easy to hot-air circulation, afterwards
Upper protective cover 1 is installed on lower protective cover 10 first, elastic clamping block 11 is installed with fixed groove 7 at this time, such to set
Meter fixes protective cover 1, avoids protective cover 1 from shifting, so as to influence the operation of internal circuit, will position spiral shell afterwards
Nail 15 is inserted into from upper protective cover 1 in the fixing threaded hole 13 in lower protective cover 10, i.e., installation is fixed to overall, rubber sheet gasket
8 improve the leakproofness of inside, and when the temperature inside upper protective cover 1 is excessive, heat is carried out absorption and dropped by heat absorption water pocket 6
Temperature, when absorbing heat, 6 temperature of water pocket is excessive, when can not play the effect of heat dissipation, starts electric cooling piece 5, electric cooling piece 5 will heat absorption at this time
The heat transfer of water pocket 6 achievees the purpose that to cool down to heat absorption water pocket 6, heat sink strip 4 transfers heat to heat sink to heat sink strip 4
12, heat sink 12 transfers heat in the air in the external world and completes heat dissipation again, and the Current Mutual Inductance is easy in the design of screw jack 14
Device is fixed on instrument, and above design adds overall practicality.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of heat dissipation type current transformer easy to repair, including upper protective cover（1）, heat sink strip（4）, lower protective plate（10）With
Heat sink（12）, it is characterised in that：The upper protective cover（1）Inside be fixed with limit card block（2）, and upper protective cover（1）'s
It is internally provided with heat dissipation cavity（3）, the heat sink strip（4）Positioned at heat dissipation cavity（3）Inside, and heat sink strip（4）Pass through electric cooling piece
（5）With the water pocket that absorbs heat（6）It is connected, the heat absorption water pocket（6）Positioned at heat dissipation cavity（3）Outside, and heat dissipation cavity（3）Internal is upper
Lower both sides are provided with fixed groove（7）, the upper protective cover（1）Inside rubber sheet gasket is installed（8）, the lower protective plate
（10）Lower section be connected with fixed pedestal（9）, and lower protective plate（10）Inside elastic clamping block is installed（11）, the heat sink
（12）Positioned at lower protective plate（10）Surface, and lower protective plate（10）Be internally provided with fixing threaded hole（13）, the fixed base
Seat（9）Inside offer screw jack（14）, the upper protective cover（1）Outer surface be connected with positioning screw（15）.
A kind of 2. heat dissipation type current transformer easy to repair according to claim 1, it is characterised in that：The upper protection
Lid（1）Outside diameter and lower protective plate（10）Internal diameter it is equal, and upper protective cover（1）Inside be angularly provided with 4 limiting cards
Block（2）.
A kind of 3. heat dissipation type current transformer easy to repair according to claim 1, it is characterised in that：The heat sink strip
（4）It is arranged to continuous incline structure, and itself and the water pocket that absorbs heat（6）All on upper protective cover（1）Center line is symmetrically installed with 2
It is a, and heat sink strip（4）With the water pocket that absorbs heat（6）For vertical distribution.
A kind of 4. heat dissipation type current transformer easy to repair according to claim 1, it is characterised in that：The anchor
Groove（7）On upper protective cover（1）Center line symmetrical setting has 2, and fixed groove（7）With elastic clamping block（11）Form detachable
Mounting structure.
A kind of 5. heat dissipation type current transformer easy to repair according to claim 1, it is characterised in that：The heat sink
（12）Length be more than heat sink strip（4）Length.
A kind of 6. heat dissipation type current transformer easy to repair according to claim 1, it is characterised in that：The fixed spiral shell
Hole（13）With positioning screw（15）The center of circle be same horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721184251.5U CN207250307U (en) | 2017-09-15 | 2017-09-15 | A kind of heat dissipation type current transformer easy to repair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721184251.5U CN207250307U (en) | 2017-09-15 | 2017-09-15 | A kind of heat dissipation type current transformer easy to repair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207250307U true CN207250307U (en) | 2018-04-17 |
Family
ID=61888913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721184251.5U Active CN207250307U (en) | 2017-09-15 | 2017-09-15 | A kind of heat dissipation type current transformer easy to repair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207250307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290688A (en) * | 2020-11-13 | 2021-01-29 | 国网浙江省电力有限公司绍兴供电公司 | CT gets electric installation's insulating box of getting electricity |
-
2017
- 2017-09-15 CN CN201721184251.5U patent/CN207250307U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290688A (en) * | 2020-11-13 | 2021-01-29 | 国网浙江省电力有限公司绍兴供电公司 | CT gets electric installation's insulating box of getting electricity |
| CN112290688B (en) * | 2020-11-13 | 2022-06-07 | 国网浙江省电力有限公司绍兴供电公司 | CT gets electric installation's insulating box of getting electricity |
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