CN208027896U - Three-dimensional wound core dry type transformer insulating part and three-dimensional wound core dry type transformer - Google Patents
Three-dimensional wound core dry type transformer insulating part and three-dimensional wound core dry type transformer Download PDFInfo
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- CN208027896U CN208027896U CN201820541726.XU CN201820541726U CN208027896U CN 208027896 U CN208027896 U CN 208027896U CN 201820541726 U CN201820541726 U CN 201820541726U CN 208027896 U CN208027896 U CN 208027896U
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- type transformer
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Abstract
The utility model is related to a kind of three-dimensional wound core dry type transformer insulating part and three-dimensional wound core dry type transformers, wherein three-dimensional wound core dry type transformer insulating part includes mainly insulating sleeve, by the way that at least three clamping positions are arranged on insulating sleeve, and without the gap for discharging between coil between the insulating barrier and insulating sleeve in clamping position, adjacent two insulating barriers and insulating sleeve are dielectrically separated from space described in being formed, so that the discharge path for the coil being placed in different insulative insulating space is blocked, the case where to effectively avoid three-dimensional wound core dry type transformer from discharging between coil in the process of running.
Description
Technical field
The utility model is related to electrical equipment technical fields, insulate more particularly to a kind of three-dimensional wound core dry type transformer
Part and three-dimensional wound core dry type transformer.
Background technology
Three-dimensional wound core dry type transformer generally use upper clamping piece and it is lower clamp by coil clamp wherein, and it is upper clamping and
The two is tensed by the center bolt between lower clamping, realizes the fixation of coil.In actual use, one
As insulating barrier is used between two phase coils, play the effect of isolation, reduce the case where discharging between operational process coil and send out
It is raw, influence the normal use of three-dimensional wound core dry type transformer.But such structure design to still have between coil
The case where electric discharge.
Invention content
Based on this, it is necessary to provide a kind of three-dimensional wound core dry type transformer insulating part and three dimensional wound core dry type transformation
Device, to effectively prevent the generation of electric discharge phenomena between three dimensional wound core the operation of the transformer coil.
Its technical solution is as follows：
A kind of three-dimensional wound core dry type transformer insulating part, including insulating sleeve, the insulating sleeve can be set in use
On the center bolt of connection upper clamping piece and lower clamping piece, the outer wall of the insulating sleeve is equipped at least three clamping positions, the card
Position is connect for installing insulating barrier, and two adjacent insulating barriers form with the insulating sleeve and place being dielectrically separated from for coil
Space.
Said program provides a kind of three-dimensional wound core dry type transformer insulating part, and center bolt is sleeved on by insulating sleeve
On, then insulating barrier is mounted in the clamping position of the insulating sleeve outer wall, adjacent two insulating barriers with it is described absolutely
Edge sleeve is dielectrically separated from space described in being formed so that the discharge path quilt being placed between the coil in different insulative insulating space
Block completely, to effectively prevent three-dimensional wound core dry type transformer in the process of running between coil electric discharge phenomena generation.
Specifically, by the way that the clamping position is arranged on the outer wall of the insulating sleeve so that the partition board being mounted in the clamping position
Gapless is between coil for discharging between the insulating sleeve so that two insulating barriers formed with insulating sleeve it is described
It is dielectrically separated from space.
Further, the outer wall of the insulating sleeve is equipped at least three pairs of outwardly extending strips, and a pair of of strip constitutes one
A clamping position forms the holding tank that insulating barrier is corresponded to for clamping between two corresponding strips.
Further, the strip is three pairs, circumferential uniform point along the outer wall of the insulating sleeve of three holding tanks
Cloth.
Further, the clamping position is the buckling groove dug in the insulating sleeve outer wall, and the buckling groove is three,
The buckling groove is longitudinally arranged along the insulating sleeve, circumferential uniform point along the outer wall of the insulating sleeve of three buckling grooves
Cloth.
A kind of three-dimensional wound core dry type transformer, including upper clamping piece, lower clamping piece, center bolt and above-mentioned three dimensional wound core
Dry-type transformer insulating part, the insulating sleeve are set on the center bolt, and the clamping position is equipped with insulating barrier, adjacent
Two insulating barriers between be equipped with coil, the upper clamping piece and the lower clamping piece are connected to the two of the center bolt
End, the coil is clamped between the upper clamping piece and lower clamping piece.
Said program provides a kind of three-dimensional wound core dry type transformer, mainly vertical by using what is provided in said program
Body rolled iron core dry-type transformer insulating part so that the discharge path between two phase coils is separated completely, described vertical to avoid
The generation of electric discharge phenomena between body rolled iron core dry-type transformer operational process coil.Specifically, two adjacent insulating barriers
It is dielectrically separated from space with insulating sleeve composition, the coil between two adjacent insulating barriers is placed on the insulation
In insulating space, so that the discharge path between two phase coils is blocked completely, to effectively prevent in operational process
The generation of electric discharge phenomena between coil.
Further, the center bolt is insulating bar or metallic rod.
Further, when the center bolt is insulating bar, the insulating bar is integrally formed with the insulating sleeve
Connection.
Further, the one end of the insulating barrier far from the clamping position be connected to the upper clamping piece and lower clamping piece it
Between.
Further, lower clamping piece position corresponding with the coil is equipped with lower insulation pressing, for line described in support
Circle, upper clamping piece position corresponding with the coil are equipped with nail pressing, and upper insulation is equipped between the nail pressing and corresponding coil
The upper insulation pressing can be pushed against on the coil by briquetting, the nail pressing by rotating.
Further, the center bolt is arranged with compressing member and nut, the center close to one end of the upper clamping piece
Screw rod part corresponding with the nut be equipped with the matched external screw thread of the nut, the compressing member includes multiple pressing plates, institute
It states pressing plate to correspond with the coil, central insulation briquetting, the compressing member is equipped between the pressing plate and corresponding coil
It can be squeezed to close to the direction of lower clamping piece by the nut so that the central insulation briquetting is pressed on the coil.
Description of the drawings
Fig. 1 is the structural schematic diagram of the three-dimensional wound core dry type transformer insulating part described in the present embodiment；
Fig. 2 is the assembly of insulating barrier, center bolt and three-dimensional wound core dry type transformer insulating part described in the present embodiment
Figure；
Fig. 3 is the structural schematic diagram of the three-dimensional wound core dry type transformer described in the present embodiment.
Reference sign：
10, three-dimensional wound core dry type transformer, 11, three-dimensional wound core dry type transformer insulating part, 111, insulating sleeve,
112, it is clamped position, 113, strip, 12, upper clamping piece, 121, nail pressing, 13, lower clamping piece, 14, coil, 141, insulating barrier, 15, center
Screw rod, 151, compressing member, 1511, pressing plate, 16, be dielectrically separated from space, 17, upper insulation pressing, 18, lower insulation pressing, 19, center
Insulation pressing.
Specific implementation mode
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making new to this practicality
The disclosure of type understands more thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein " vertically ", " horizontal ", "left", "right" and similar statement are
For illustrative purposes, it is not offered as being unique embodiment.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model
The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more relevant Listed Items.
In one embodiment, as depicted in figs. 1 and 2, a kind of three-dimensional wound core dry type transformer insulating part 11 is provided,
Including insulating sleeve 111, the insulating sleeve 111 can be set in the center bolt for connecting upper clamping piece 12 and lower clamping piece 13
On 15, the outer wall of the insulating sleeve 111 is equipped at least three clamping positions 112, and the clamping position 112 is for installing insulating barrier
141, and two adjacent insulating barriers 141 and the insulating sleeve 111 formed place coil 14 be dielectrically separated from space 16.
The three-dimensional wound core dry type transformer insulating part 11 that said program provides is mainly by the insulating sleeve 111
The clamping position 112 is set on outer wall so that in use be mounted on it is described clamping position 112 in insulating barrier 141 with
It is seamless between insulating sleeve 111 to discharge for coil 14, so that two adjacent insulating barriers 141 and insulating sleeve 111
Space 16 is dielectrically separated from described in composition.The discharge path being placed between the coil 14 in different insulative insulating space 16 is complete
Barrier so that three-dimensional wound core dry type transformer 10 is not in the process of running electric discharge phenomena between coil 14.
Further, the clamping position 112 being arranged on 111 outer wall of above-mentioned insulating sleeve is mainly used for installing insulating barrier 141,
So that gapless is discharged for coil 14 between insulating barrier 141 and insulating sleeve 111.Specifically, as depicted in figs. 1 and 2, one
In a embodiment, the outer wall of the insulating sleeve 111 is equipped at least three pairs of outwardly extending strips 113, and a pair of of strip 113 is constituted
One clamping position 112 forms the holding tank that insulating barrier 141 is corresponded to for clamping between two corresponding strips 113.Or
Person, according to actual conditions, the clamping position 112 can also be the buckling groove dug on the outer wall of the insulating sleeve 111, institute
State buckling groove being longitudinally arranged along the insulating sleeve 111.
Insulating barrier 141 in holding tank is connect by strip 113 with insulating sleeve 111, certain strip
113 are also made of insulating materials, and the insulating barrier 141 and strip 113 form one and be seamlessly connected with the insulating sleeve 111
Insulation board so that the discharge path between the coil 14 of insulation board both sides is separated completely, to effectively prevent standing
The generation of electric discharge phenomena between 10 operational process coil 14 of body rolled iron core dry-type transformer.
In actual use, it is to be set on center bolt 15, and stood general based on the insulating sleeve 111
In body rolled iron core dry-type transformer clamp system, the center bolt 15 is located at the center in the space that three coils 14 are surrounded,
Therefore it is the corresponding of the insulating barrier 141 realized be placed between coil 14, by the buckling groove or holding tank along described exhausted
The genesis analysis of edge sleeve 111, and the buckling groove or holding tank are three, three buckling grooves or holding tank are circumferentially uniformly distributed
On the outer wall of insulating sleeve 111.If there are special circumstances so that center bolt 15 is not located at the space that three coils 14 surround
Center, then on insulating sleeve 111 for insulating barrier 141 install clamping position 112 will reach center bolt 15 according to partition board
The difference of position and do adaptive change, it is final insulating sleeve 111 to be constituted be dielectrically separated from two insulating barriers 141
Space 16.
In another embodiment, as shown in figure 3, providing a kind of three-dimensional wound core dry type transformer 10, including upper folder
Three-dimensional wound core dry type transformer insulating part 11 described in part 12, lower clamping piece 13, center bolt 15 and any of the above-described embodiment,
The insulating sleeve 111 is set on the center bolt 15, the clamping position 112 be equipped with insulating barrier 141, adjacent two
Coil 14 is equipped between insulating barrier 141, the upper clamping piece 12 and the lower clamping piece 13 are connected to the center bolt 15
Both ends, the coil 14 is clamped between the upper clamping piece 12 and lower clamping piece 13.
General three-dimensional wound core dry type transformer 10 is to prevent coil 14 from beating in use, using center spiral shell
Bar 15 connects the upper clamping piece 12, the mode of lower clamping piece 13 fixes to clamp coil 14.And said program is mainly by using preceding
State the three-dimensional wound core dry type transformer insulating part 11 described in any embodiment so that each coil 14 is placed on different exhausted
In edge insulating space 16, the discharge path between each coil 14 is blocked, to avoid between coil 14 in the process of running
The case where electric discharge, occurs.
Further, the center bolt 15 in said program primarily serves the effect of connection upper clamping piece 12 and lower clamping piece 13,
And in the case where generating electric discharge phenomena between preventing coil 14, center bolt described in the use based on the insulating sleeve 111
15 can be insulating bar or metallic rod.
Further specifically, when the center bolt 15 be insulating bar when, actually can by the insulating bar and it is described absolutely
The simplification of edge sleeve 111 is integrated, you can be reduced to a connecting rod made of insulating materials, is arranged in the outer wall of connecting rod
The clamping position 112 can so that total is more succinct in this way.Alternatively, in one embodiment, the insulating bar and institute
Insulating sleeve 111 is stated to be integrally formed connection.
Further, so that the insulating barrier 141 is more firm, in one embodiment, as shown in figure 3, by institute
It states the one end of insulating barrier 141 far from the clamping position 112 to be connected between the upper clamping piece 12 and lower clamping piece 13 so that insulation
Partition board 141 is not only limited by clamping position 112, also by the fixation of upper clamping piece 12 and lower clamping.
Further, the connection in said program between insulating barrier 141 and upper clamping piece 12 and lower clamping piece 13 not only can be with
The fixation to insulating barrier 141 is played, while by the connection of insulating barrier 141 but also between upper clamping and lower clamping piece 13
Distance is fixed, and further setting realizes being fixed for coil 14 with lower structure accordingly.In one embodiment, such as Fig. 3 institutes
To show, the insulation pressing 18 under the position setting corresponding with the coil 14 of the lower clamping piece 13 is used for coil 14 described in support,
Nail pressing 121 is arranged in the position corresponding with the coil 14 of the upper clamping piece 12, is set between the nail pressing 121 and corresponding coil 14
There is upper insulation pressing 17, increases the distance between upper clamping piece 12 and upper insulation pressing 17 by rotating the nail pressing 121, thus will
The upper insulation pressing 17 is pushed against on the coil 14, realizes the fixation of coil 14.
Further, in one embodiment, as shown in figure 3, the center bolt 15 is close to the one of the upper clamping piece 12
End cap is equipped with compressing member 151 and nut, and the part corresponding with the nut of the center bolt 15 is equipped with and is matched with the nut
External screw thread, the compressing member 151 includes multiple pressing plates 1511, and the pressing plate 1511 and the coil 14 correspond, described
Between pressing plate 1511 and corresponding coil 14 be equipped with central insulation briquetting 19, the compressing member 151 can by the nut to by
The direction of nearly lower clamping piece 13 squeezes so that the central insulation briquetting 19 is pressed on the coil 14.
During use, the compressing member 151 is squeezed to close to the direction of lower clamping piece 13 by tightening the nut, into
And central insulation briquetting 19 is pressed on the coil 14 by the pressing plate of compressing member 151 1511, the other end of coil 14 is then
It is pressed on lower clamping piece 13, to realize the compression of coil 14.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of three-dimensional wound core dry type transformer insulating part, which is characterized in that including insulating sleeve, the insulating sleeve can
It is set in the center bolt for connecting upper clamping piece and lower clamping piece, the outer wall of the insulating sleeve is equipped at least three clampings
Position, the clamping position is for installing insulating barrier, and two adjacent insulating barriers form with the insulating sleeve and place coil
Be dielectrically separated from space.
2. three-dimensional wound core dry type transformer insulating part according to claim 1, which is characterized in that the insulating sleeve
Outer wall is equipped at least three pairs of outwardly extending strips, and a pair of of strip constitutes a clamping position, between two corresponding strips
Form the holding tank that insulating barrier is corresponded to for clamping.
3. three-dimensional wound core dry type transformer insulating part according to claim 2, which is characterized in that the strip is three
Right, three holding tanks are circumferentially uniformly distributed along the outer wall of the insulating sleeve.
4. three-dimensional wound core dry type transformer insulating part according to claim 1, which is characterized in that the clamping position be
The buckling groove that the insulating sleeve outer wall is dug, the buckling groove are three, and the buckling groove is along the longitudinal direction of the insulating sleeve
Arrangement, three buckling grooves are circumferentially uniformly distributed along the outer wall of the insulating sleeve.
5. a kind of three-dimensional wound core dry type transformer, which is characterized in that wanted including upper clamping piece, lower clamping piece, center bolt and right
1 to 4 any one of them three-dimensional wound core dry type transformer insulating part, the insulating sleeve is asked to be set in the center bolt
On, the clamping position is equipped with insulating barrier, and coil, the upper clamping piece and the lower folder are equipped between adjacent two insulating barriers
Part is connected to the both ends of the center bolt, and the coil is clamped between the upper clamping piece and lower clamping piece.
6. three-dimensional wound core dry type transformer according to claim 5, which is characterized in that the center bolt is insulating bar
Or metallic rod.
7. three-dimensional wound core dry type transformer according to claim 6, which is characterized in that when the center bolt is insulation
When bar, the insulating bar is integrally formed with the insulating sleeve and connect.
8. to remove the three-dimensional wound core dry type transformer described in 5 according to right, which is characterized in that the insulating barrier is far from described
One end of clamping position is connected between the upper clamping piece and lower clamping piece.
9. three-dimensional wound core dry type transformer according to claim 8, which is characterized in that the lower clamping piece and the coil
Corresponding position is equipped with lower insulation pressing, and for coil described in support, upper clamping piece position corresponding with the coil is equipped with
Nail pressing, is equipped with upper insulation pressing between the nail pressing and corresponding coil, the nail pressing can be by rotating the upper insulation
Briquetting is pushed against on the coil.
10. according to claim 5 to 9 any one of them three-dimensional wound core dry type transformer, which is characterized in that the center spiral shell
Bar is arranged with compressing member and nut close to one end of the upper clamping piece, and center bolt part corresponding with the nut is equipped with
With the matched external screw thread of the nut, the compressing member includes multiple pressing plates, and the pressing plate is corresponded with the coil, described
Central insulation briquetting is equipped between pressing plate and corresponding coil, the compressing member can be by the nut to close to the side of lower clamping piece
To extruding so that the central insulation briquetting is pressed on the coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820541726.XU CN208027896U (en) | 2018-04-16 | 2018-04-16 | Three-dimensional wound core dry type transformer insulating part and three-dimensional wound core dry type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820541726.XU CN208027896U (en) | 2018-04-16 | 2018-04-16 | Three-dimensional wound core dry type transformer insulating part and three-dimensional wound core dry type transformer |
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| Publication Number | Publication Date |
|---|---|
| CN208027896U true CN208027896U (en) | 2018-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820541726.XU Active CN208027896U (en) | 2018-04-16 | 2018-04-16 | Three-dimensional wound core dry type transformer insulating part and three-dimensional wound core dry type transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110136935A (en) * | 2019-05-10 | 2019-08-16 | 海鸿电气有限公司 | A kind of novel solid rewinding material |
-
2018
- 2018-04-16 CN CN201820541726.XU patent/CN208027896U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110136935A (en) * | 2019-05-10 | 2019-08-16 | 海鸿电气有限公司 | A kind of novel solid rewinding material |
| CN110136935B (en) * | 2019-05-10 | 2023-12-29 | 海鸿电气有限公司 | Novel three-dimensional wound core |
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