CN207183054U - EI type transformers - Google Patents
EI type transformers Download PDFInfo
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- CN207183054U CN207183054U CN201721028720.4U CN201721028720U CN207183054U CN 207183054 U CN207183054 U CN 207183054U CN 201721028720 U CN201721028720 U CN 201721028720U CN 207183054 U CN207183054 U CN 207183054U
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- China
- Prior art keywords
- secondary windings
- insulation
- armature winding
- bulkhead
- framework
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Abstract
The utility model embodiment by providing a kind of EI types transformer, including:Housing is installed；The iron core being placed in the mounting shell body；It is fixed on the installation housing and the insulation bulkhead of winding secondary windings is provided for around the iron core, the insulation bulkhead includes framework and is opened in the port that the framework supplies the secondary windings to pass through；And it is set around the armature winding of the insulation frame.In transformer at work, due to being completely cut off between armature winding and secondary windings by the framework of insulation bulkhead, electric current needs the framework for hitting insulation bulkhead to turn on primary coil and secondary coil and leaky occurs, and the framework for the bulkhead that insulate has larger resistance, therefore the difficulty of electric current breakdown is substantially increased, so as to improve the security of transformer；Heat can be produced when magnetic induction occurs for armature winding and secondary windings simultaneously, the framework of the insulation bulkhead between armature winding and secondary windings helps the radiating effect for improving armature winding and secondary windings.
Description
Technical field
Transformer technology field is the utility model is related to, more specifically, it relates to a kind of EI types transformer.
Background technology
Transformer is a kind of converting electric power and electric energy is delivered to from a circuit stationary electromagnetic dress of another circuit
Put.Transformer species is various, and EI types transformer is widely used with the advantages that its price is relatively low, productivity ratio is high.EI transformers
It is a kind of in electronic transformer, its iron core is made up of " E " matrix and the superposition of " I " matrix, is referred to as EI transformers according to its shape.
The existing usual power of EI types transformer is relatively low, and can then cause electric current to increase after adding the power of EI type transformers
Insulating properties between ambassador's armature winding and secondary windings reduces, so as to cause the potential safety hazards such as electric leakage.
Utility model content
In view of the deficienciess of the prior art, the purpose of the utility model embodiment is to provide a kind of EI types transformer,
Aim to solve the problem that existing EI types transformer relatively low technical problem of security after power is improved.
The utility model embodiment is related to a kind of EI types transformer, including:
Housing is installed；
The iron core being placed in the mounting shell body；
It is fixed on the installation housing and the insulation bulkhead of winding secondary windings is provided for around the iron core, it is described exhausted
Edge bulkhead includes framework and is opened in the port that the framework supplies the secondary windings to pass through；And
It is set around the armature winding of the insulation frame.
By using above-mentioned technical proposal, secondary windings is around being located on insulation bulkhead, and armature winding is around being located at insulation frame
The outside of body, therefore the bulkhead that insulate separates armature winding and secondary windings, improves between armature winding and secondary windings
Insulating properties, in transformer at work, due between armature winding and secondary windings by insulation bulkhead framework completely cut off, electric current
Need the gap between the framework of breakdown insulation bulkhead and primary coil and secondary coil could be by primary coil and secondary coil
Turn on and leaky occurs, and the framework for the bulkhead that insulate has larger resistance, therefore substantially increase the difficulty of electric current breakdown
Degree, so as to improve the security of transformer；Heat can be produced when magnetic induction occurs for armature winding and secondary windings simultaneously, just
The framework of insulation bulkhead between level winding and secondary windings helps the radiating effect for improving armature winding and secondary windings.
The utility model is further arranged to：The outside of the insulation bulkhead is enclosed with electric leakage insulation at both ends
Layer.
By using above-mentioned technical proposal, electric leakage insulating barrier further increases exhausted between armature winding and secondary windings
Edge, so as to further reduce leaky.
The utility model is further arranged to：Insulated rubber core is arranged with the iron core, and the insulation bulkhead is fixed on
The insulated rubber core.
By using above-mentioned technical proposal, insulated rubber core to a certain extent can close armature winding and secondary windings,
Reduce electric current outwards to discharge, improve security.
The utility model is further arranged to：Outer wall around the insulation bulkhead is fixed with more insulating stays, described
Armature winding is set around the insulating stay.
By using above-mentioned technical proposal, insulating stay further separates armature winding and secondary windings, so that
Gap is formed between armature winding and secondary windings, so as to which when transformer works, electric current needs to puncture insulating stay and primary
Primary coil and secondary coil could be turned on and leaky occur by the air between coil and secondary coil, and insulating stay
Also there is larger resistance with air, therefore further reduce the phenomenon of electric leakage, improve security.
The utility model is further arranged to：The insulation frame is made up of aramid material.
The utility model is further arranged to：The electric leakage insulating barrier is made up of polyester film.
The utility model is further arranged to：The insulating stay is made up of bakelite material.
By using above-mentioned technical proposal, bakelite has preferable mechanical strength and insulation effect, can give armature winding
Preferable coiling platform is provided.
The utility model is further arranged to：The insulating stay centre position caves inward formed with fossaperturate.
By using above-mentioned technical proposal, for armature winding coiling when on insulating stay, insulating stay can be in armature winding
Elastic deformation occurs to centre and produces elastic force with the conflict of secondary windings, this elastic force can produce to armature winding
Certain pressure, so as to be the even closer of armature winding coiling.
In summary, the utility model has the advantages that：
The utility model embodiment by providing a kind of EI types transformer, including:Housing is installed；It is placed in the installation housing
Interior iron core；It is fixed on the installation housing and the insulation bulkhead of winding secondary windings is provided for around the iron core, it is described
Insulation bulkhead includes framework and is opened in the port that the framework supplies the secondary windings to pass through；And it is set around the insulation
The armature winding of framework.Because secondary windings is around being located on insulation bulkhead, and armature winding is around the outside for being located at insulation frame, because
This insulation bulkhead separates armature winding and secondary windings, improves the insulating properties between armature winding and secondary windings,
At work, due to being completely cut off between armature winding and secondary windings by the framework of insulation bulkhead, electric current needs to hit insulation transformer
Primary coil and secondary coil could be turned on and leaked by the gap between the framework and primary coil and secondary coil of bulkhead
Electrical phenomena, and the framework for the bulkhead that insulate has larger resistance, therefore the difficulty of electric current breakdown is substantially increased, so as to improve
The security of transformer；Simultaneously heat, armature winding and secondary can be produced when magnetic induction occurs for armature winding and secondary windings
The framework of insulation bulkhead between winding helps the radiating effect for improving armature winding and secondary windings.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the top view of the utility model embodiment；
Fig. 3 is Fig. 2 A portions enlarged drawing；
In figure：The 1st, housing is installed；2nd, iron core；3rd, insulate bulkhead；31st, framework；32nd, port；4th, armature winding；5th, it is secondary around
Group；6th, insulating stay；61st, fossaperturate；62nd, bearing surface；7th, leak electricity insulating barrier；8th, support；9th, lead port；10th, binding post；
11st, insulating gum cover.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that described embodiment is only the utility model part of the embodiment, rather than all real
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute under the premise of creative work is not made
The every other embodiment obtained, belong to the scope of the utility model protection.
A kind of EI types transformer, as shown in figure 1, including:Housing 1 is installed；The iron core 2 being placed in the installation housing 1；Gu
Due to the insulation bulkhead 3 installed housing 1 and winding secondary windings 5 is provided for around the iron core 2, the insulation bulkhead
3 include framework 31 and are opened in the port 32 that the framework 31 passes through for the secondary windings 5；And it is set around the insulation
The armature winding 4 of framework 31.
Specifically, the bottom of installation housing 1 has been bolted support 8, support 8 is used to support transformer, and makes change
What depressor can be stablized is placed on ground；Insulation bulkhead 3 is made up of multiple frameworks 31 around housing, is had between adjacent frame 31
At regular intervals, to facilitate the winding of secondary windings 5, port 32 is multiple along being radially distributed with for iron core 2 in framework 31, it is secondary around
Group 5 sequentially passes through each through hole and forms sandwich construction, and secondary windings 5 is formed by copper foil coiling, so as to be held with larger electric current
Loading capability；Insulation frame 31 is made up of aramid material, and concrete model is aramid fiber 1313.
As depicted in figs. 1 and 2, insulated rubber core is arranged with iron core 2, insulated rubber core includes integrally formed core retainer plate and screening
Cover plate, core retainer plate be used for socket-connected with iron core 2, covering plate stretches out and blocks armature winding 4 and secondary windings 5, insulate every
Frame 3 is bonded and fixed to insulated rubber core, and insulated rubber core to a certain extent can close armature winding 4 and secondary windings 5, reduces electricity
Flow direction is outer to be discharged, and improves security.
As shown in figure 1, the outside of insulation bulkhead 3 is enclosed with electric leakage insulating barrier 7 at the both ends, electric leakage insulating barrier 7 by
Polyester film is made, and electric leakage insulating barrier 7 is bonded on insulation frame 31 and is wrapped in the outermost layer of secondary windings 5, polyester film
With excellent electrical insulating property, breakdown strength, dielectric properties and resistivity, and wearability and durability are preferable, and leak electricity insulating barrier 7
Insulating stay 6 and secondary windings 5 are separated, the dielectric strength between armature winding 4 and secondary windings 5 can be improved.
As depicted in figs. 1 and 2, the outer wall around insulation bulkhead 3 is fixed with more insulating stays 6, is insulated in the present embodiment
Stay 6 is arranged to be evenly distributed on four of the outside of insulation bulkhead 3, and insulating stay 6 is bonded in insulated rubber core and insulation bulkhead 3
On, armature winding 4 is set around insulating stay 6；Insulating stay 6 is made up of bakelite, so as to have preferable mechanical strength and insulation
Performance, as shown in figure 3, the centre position of insulating stay 6 caves inward formed with fossaperturate 61, and the centre position of fossaperturate 61
In arc form transition, the seamed edge of insulating stay 6 is set in circular arc, and formed with bearing surface 62；When the coiling of armature winding 4 exists
When on insulating stay 6, insulating stay 6 can under the conflict of armature winding 4 and secondary windings 5 and to centre occur elastic deformation and
Produce elastic force, this elastic force can produce certain pressure to armature winding 4 and secondary windings 5, so as to be it is primary around
Organize the even closer of 4 coiling；While the seamed edge for support of insulating will not scratch the insulating barrier on the surface of armature winding 4, and armature winding 4 exists
It is more smooth during transition between adjacent insulating stay 6, reduce armature winding 4 and bend the phenomenon generation for causing fracture；Insulation
The cross-sectional length of stay 6 is 6mm-8mm, and width is 6mm-8mm, so as to which insulation effect and magnetic induction effect reach preferable
Effect.
Secondary windings 5 is around being located on insulation bulkhead 3, and armature winding 4 is around the outside for being located at insulating stay 6, therefore insulate
Bulkhead 3 and insulating stay 6 separate armature winding 4 and secondary windings 5, improve between armature winding 4 and secondary windings 5
Insulating properties, in transformer at work, due to being completely cut off between armature winding 4 and secondary windings 5 by the framework 31 of insulation bulkhead 3,
And gap is separated to form by insulating stay 6, electric current needs to puncture framework 31, insulating stay 6 and the primary coil of insulation bulkhead 3
Primary coil and secondary coil could be turned on and leaky occur by the gap between secondary coil, and the bulkhead 3 that insulate
Framework 31 has larger resistance, therefore substantially increases the difficulty of electric current breakdown, so as to improve the security of transformer；Together
When can produce heat, the insulation between armature winding 4 and secondary windings 5 when magnetic induction occurs for armature winding 4 and secondary windings 5
The framework 31 of bulkhead 3 helps the radiating effect for improving armature winding 4 and secondary windings 5.
As shown in figure 1, lead port 9 is provided with installation housing 1, for outside power supply for electrical equipment, lead port 9
Binding post 10 is connected with by connecting line, for being connected with external electric equipment, insulating gum cover 11 is socketed with connecting line,
So as to reduce the leaky in transmission process.
In the above-described embodiments, the description to each embodiment emphasizes particularly on different fields, and does not have the part being described in detail in some embodiment,
It may refer to the associated description of other embodiment.
It should be noted that for foregoing each method embodiment, in order to be briefly described, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement because
According to the present invention, some steps may use other orders or carry out simultaneously.Secondly, those skilled in the art should also know
Know, embodiment described in this description belongs to preferred embodiment, the action being related to and module not necessarily this hair
Necessary to bright.
In several embodiments provided herein, it should be understood that disclosed device, can be real in other way
It is existing.For example, device embodiment described above is only schematical, such as the division of said units, only one kind are patrolled
The division of volume function, can there is an other dividing mode when actually realizing, such as multiple units or component can combine or can be with
Another system is integrated into, or some features can be ignored, or do not perform.It is another, it is shown or discussed mutual
Coupling or communication connection can be INDIRECT COUPLING or communication connection between device or unit by some interfaces, can be electricity
Letter or other forms.
The above-mentioned unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, and without limiting it；Although reference
The present invention will be described in detail for previous embodiment, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
- A kind of 1. EI types transformer, it is characterised in that including:Housing (1) is installed；The iron core (2) being placed in the installation housing (1)；It is fixed on the installation housing (1) and the insulation bulkhead of winding secondary windings (5) is provided for around the iron core (2) (3), it is described insulation bulkhead (3) include framework (31) and be opened in the framework (31) for the secondary windings (5) pass through lead to Mouth (32)；AndIt is set around the armature winding (4) of the insulation frame (31).
- 2. EI types transformer according to claim 1, it is characterised in that the outside of the insulation bulkhead (3) is located at two Electric leakage insulating barrier (7) is enclosed with end.
- 3. EI types transformer according to claim 2, it is characterised in that insulated rubber core is arranged with the iron core (2), and The insulation bulkhead (3) is fixed on the insulated rubber core.
- 4. EI types transformer according to claim 3, it is characterised in that the outer wall around the insulation bulkhead (3) is fixed There are more insulating stays (6), the armature winding (4) is set around the insulating stay (6).
- 5. EI types transformer according to claim 1, it is characterised in that the insulation frame (31) is by aramid material Material is made.
- 6. EI types transformer according to claim 2, it is characterised in that the electric leakage insulating barrier (7) is by polyester film system Into.
- 7. EI types transformer according to claim 4, it is characterised in that the insulating stay (6) is made up of bakelite material.
- 8. EI types transformer according to claim 7, it is characterised in that insulating stay (6) centre position concaves Fall into formed with fossaperturate (61).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620900170 | 2016-08-17 | ||
| CN201620900170X | 2016-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207183054U true CN207183054U (en) | 2018-04-03 |
Family
ID=61739768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721028720.4U Active CN207183054U (en) | 2016-08-17 | 2017-08-16 | EI type transformers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207183054U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115116738A (en) * | 2022-08-12 | 2022-09-27 | 杭州裕正电子有限公司 | Transformer production facility and transformer |
-
2017
- 2017-08-16 CN CN201721028720.4U patent/CN207183054U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115116738A (en) * | 2022-08-12 | 2022-09-27 | 杭州裕正电子有限公司 | Transformer production facility and transformer |
| CN115116738B (en) * | 2022-08-12 | 2023-04-14 | 杭州裕正电子有限公司 | Transformer production facility and transformer |
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