CN109524220A - Transformer and transformer processing method - Google Patents
Transformer and transformer processing method Download PDFInfo
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- CN109524220A CN109524220A CN201811613511.5A CN201811613511A CN109524220A CN 109524220 A CN109524220 A CN 109524220A CN 201811613511 A CN201811613511 A CN 201811613511A CN 109524220 A CN109524220 A CN 109524220A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
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Abstract
The invention discloses a kind of transformer and transformer processing methods, wherein transformer includes insulation case assembly, the case assembly that insulate includes high-voltage leading-out wire box, the high-tension coil winding end cap of high-voltage coil and low-voltage coil winding box and the high-tension coil cavity for blocking high-voltage coil and low-voltage coil winding box, high-voltage leading-out wire box is fixedly connected with high-voltage coil and low-voltage coil winding box, high-tension coil cavity is connected to the cavity of high-voltage leading-out wire box by the channel sealed, the low-voltage coil cavity being isolated by insulation board with high-tension coil cavity is equipped in high-voltage coil and low-voltage coil winding box, equal encapsulating has insulation system in low-voltage coil cavity and high-tension coil cavity.In transformer provided by the present application, high-voltage leading-out wire position is dielectrically separated from by high-tension coil, low-voltage coil dual resisteance, and by high-voltage leading-out wire box by the insulation system of insulation case assembly and encapsulating, improves the safety in utilization of transformer.
Description
Technical field
The present invention relates to transformer insulated protection technology field, in particular to a kind of transformer.The invention further relates to one kind
Transformer processing method.
Background technique
Transformer is the device for changing alternating voltage using the principle of electromagnetic induction, is the main of power adapter and again
The component wanted.Since transformer is related to the conversion of electric power, and transformer is an extremely important equipment in electric system, is become
The insulation set of depressor is particularly important.
The insulation system of transformer usually requires just to can be achieved by a variety of Insulation Coordinations, specifically can be same by epoxy casting
When combine air and insulation paper insulation, often volume is very big for traditional epoxy cast transformer structure, meanwhile, need air and
Insulating paper etc. is dielectrically separated from, if will appear failure of insulation, while single layer dielectrics when epoxy resin cracking or heat ageing
Breakdown voltage can be seriously reduced in dampness, causes the safety in utilization of transformer lower.
Summary of the invention
The object of the present invention is to provide a kind of transformer, the safety in utilization of transformer is improved.Another object of the present invention
It is to provide a kind of transformer processing method.
To achieve the above object, the present invention provides a kind of transformer, further includes insulation case assembly, the insulation case assembly packet
Include high-voltage leading-out wire box, high-voltage coil and low-voltage coil winding box and the high-tension coil cavity for blocking the high-voltage coil and low-voltage coil winding box
High-tension coil winding end cap, the high-voltage leading-out wire box are fixedly connected with the high-voltage coil and low-voltage coil winding box, the high-tension coil
Cavity is connected to the cavity of the high-voltage leading-out wire box by the channel sealed, is equipped with and is passed through in the high-voltage coil and low-voltage coil winding box
In the low-voltage coil cavity that insulation board is isolated with high-tension coil cavity, the low-voltage coil cavity and the high-tension coil cavity
Encapsulating has insulation system.
Preferably, it is equipped with high voltage ring skeleton maintaining part in the high-tension coil cavity and is set in the high-tension coil bone
High voltage ring skeleton in frame maintaining part, high-tension coil are wrapped on the high voltage ring skeleton.
Preferably, the high voltage ring skeleton maintaining part and the high voltage ring skeleton are multiple, and the high-voltage line
Ring framework maintaining part and the high voltage ring skeleton correspond.
Preferably, the high voltage ring skeleton is equipped with high-voltage leading-out wire notch.
Preferably, it is equipped with low-voltage coil skeleton maintaining part in the low-voltage coil cavity and is set in the low-voltage coil bone
Low-voltage coil skeleton in frame maintaining part, low-voltage coil are wrapped on the low-voltage coil skeleton.
Preferably, the low-voltage coil skeleton maintaining part and the low-voltage coil skeleton are multiple, and the low-voltage line
Ring framework maintaining part and the low-voltage coil skeleton correspond.
Preferably, the low-voltage coil skeleton is equipped with low pressure lead-out wire notch.
Preferably, the outer surface of the high-voltage coil and low-voltage coil winding box and the high-tension coil winding end cap is coated with metal
Separation layer.
Preferably, the metallic spacer of the high-tension coil winding end cap is equipped with the fault trough for preventing short circuit.
Preferably, further include first connecting rod and the second connecting rod, the both ends of the first connecting rod respectively with the height
Pressure draw wire box connected with the high-tension coil winding end cap, the both ends of second connecting rod respectively with the high-voltage leading-out wire
Box is connected with the high-voltage coil and low-voltage coil winding box.
Preferably, one end on the low-voltage coil cavity far from the high-tension coil winding end cap is in communication with the outside
Open-ended cavity.
Preferably, the outside of the high-voltage leading-out wire box be equipped with it is multiple set gradually climb electric muscle.
A kind of transformer processing method, comprising steps of
S1: injection molding high-voltage leading-out wire box, high-voltage coil and low-voltage coil winding box and high-tension coil winding end cap, the high-voltage coil and low-voltage coil
Equipped with high-tension coil cavity and the low-voltage coil cavity being isolated by insulation board with the high-tension coil cavity in winding box；
S2: high-tension coil being wrapped on the high voltage ring skeleton being set in high voltage ring skeleton maintaining part, the height
Crimping circle, the high voltage ring skeleton maintaining part and the high voltage ring skeleton are set to the high-tension coil cavity；
Low-voltage coil is wrapped on the low-voltage coil skeleton being set in low-voltage coil skeleton maintaining part, the low-voltage line
Circle, the low-voltage coil skeleton and the low-voltage coil skeleton are set to the low-voltage coil cavity；
S3: by high-tension coil cavity and the filling dielectric sealing of low-voltage coil cavity；
S4: by high-tension coil cavity hatch described in high-tension coil winding end cap seal, the high-tension coil cavity and institute
The cavity for stating high-voltage leading-out wire box passes through the channel connection of sealing；
S5: high-voltage leading-out wire box is fixedly connected with high-voltage coil and low-voltage coil winding box.
In the above-mentioned technical solutions, transformer provided by the invention includes insulation case assembly, and insulation case assembly includes high pressure
Draw wire box, high-voltage coil and low-voltage coil winding box and the high-tension coil cavity for blocking high-voltage coil and low-voltage coil winding box high-tension coil around
Group end cap, high-voltage leading-out wire box are fixedly connected with high-voltage coil and low-voltage coil winding box, the chamber of high-tension coil cavity and high-voltage leading-out wire box
For body by the channel connection of sealing, high-voltage coil and low-voltage coil winding box is interior to be equipped with low-voltage coil cavity, low-voltage coil cavity and high-voltage line
Encapsulating has insulation system in circle cavity.
As can be seen from the above description, in transformer provided by the present application, pass through the insulation knot of insulate case assembly and encapsulating
High-voltage leading-out wire position is dielectrically separated from by structure by high-tension coil, low-voltage coil dual resisteance, and by high-voltage leading-out wire box, is improved
The safety in utilization of transformer.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural schematic diagram of transformer provided by the embodiment of the present invention；
Fig. 2 is the top view of transformer provided by the embodiment of the present invention；
Fig. 3 is the cross-sectional view of transformer provided by the embodiment of the present invention；
Fig. 4 is the side view of transformer provided by the embodiment of the present invention；
Fig. 5 is structural schematic diagram of the transformer shown in Fig. 4 along the direction A-A；
Fig. 6 is that transformer provided by the embodiment of the present invention removes the top view after high-tension coil winding end cap；
Fig. 7 is the bottom view of transformer provided by the embodiment of the present invention；
Fig. 8 is the installation diagram of high voltage ring skeleton and low-voltage coil skeleton provided by the embodiment of the present invention.
Wherein in Fig. 1-8: 1- high-voltage leading-out wire box, 11- climb electric muscle, 12- communication port, 2- high-voltage coil and low-voltage coil winding box, 21-
Channel, the second metallic spacer of 22-, the first metallic spacer of 23-, 3- high-tension coil winding end cap, the isolation of 31- third metal
Layer, 311- fault trough, 4- high voltage ring skeleton maintaining part, 41- high voltage ring skeleton, 42- high-voltage leading-out wire notch, 5- low-voltage coil
Skeleton maintaining part, 51- low-voltage coil skeleton, 52- low pressure lead-out wire notch, 6- first connecting rod, 7- iron core.
Specific embodiment
Core of the invention is to provide a kind of transformer, and the safety in utilization of transformer improves.Another core of the invention
It is to provide a kind of transformer processing method.
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing and embodiment party
The present invention is described in further detail for formula.
Fig. 1 to Fig. 8 is please referred to, in a specific embodiment, the transformer that the specific embodiment of the invention provides includes
Insulate case assembly, and insulation case assembly includes high-voltage leading-out wire box 1, high-voltage coil and low-voltage coil winding box 2 and for blocking high-voltage coil and low-voltage coil
The high-tension coil winding end cap 3 of the high-tension coil cavity of winding box 2, high-voltage leading-out wire box 1 and high-voltage coil and low-voltage coil winding box 2 are fixed
Connection, high-tension coil cavity is connected to the cavity of high-voltage leading-out wire box 1 by the channel 21 of sealing, specifically, high-voltage leading-out wire
The cavity of box 1 is equipped with the communication port 12 connecting with channel 21.Low-voltage coil cavity, low pressure are equipped in high-voltage coil and low-voltage coil winding box 2
Equal encapsulating has insulation system in coil cavity and high-tension coil cavity, specifically, insulation system can be insulating resin.Low-voltage line
The one end enclosed on cavity far from high-tension coil winding end cap 3 is the open-ended cavity being in communication with the outside.
Specifically, can recording quantity by high-voltage leading-out wire box 1 towards high-voltage coil and low-voltage coil winding box 2, high-voltage leading-out wire
There is the connection of channel 21 between box 1 and high-voltage coil and low-voltage coil winding box 2, high-voltage leading-out wire is drawn out to high pressure extraction by the connection of channel 21
Inside wire box 1.Specifically, the bottom of high-voltage coil and low-voltage coil winding box 2 is arranged in channel 21, high-voltage leading-out wire is drawn out to high pressure and is drawn
Outlet box 1 is isolated with low-voltage coil cavity.
Specifically, insulation case assembly be moulding, high-voltage leading-out wire box 1, high-voltage coil and low-voltage coil winding box 2 and high-tension coil around
The group independent injection molding of end cap 3, two structures mutually fixed are welded into entirety by faying surface at two in the case assembly that insulate, absolutely
Edge case assembly is easy to process by welding assembly, high reliablity.Wherein high-voltage leading-out wire box 1, high-voltage coil and low-voltage coil winding box 2 and height
3 Dan Zhongjun of crimping circle winding end cap chooses smooth big face welding, and wherein high-tension coil winding end cap 3 is put into high-tension coil winding
It is welded again later, specifically, low-voltage coil winding is mounted on low high-tension coil winding is mounted on high-tension coil cavity
Encapsulating insulation system again after crimping circle cavity, i.e., along high-voltage coil and low-voltage coil winding box outside low-voltage coil winding and high-tension coil winding
2 surfaces carry out thin layer encapsulating, seal high-tension coil winding end cap 3 and high-voltage coil and low-voltage coil winding box 2 after the completion of encapsulating.
As can be seen from the above description, in the transformer provided by the application specific embodiment, by insulation case assembly and
Embedding Material realizes the complete dual solid isolation of high pressure and low pressure, and the equal encapsulating of high-tension coil winding, low-voltage coil winding is handled,
In solid isolation state, it is isolated without big the air gap.High-voltage leading-out wire is separately in high-voltage leading-out wire box simultaneously
1, it is completely isolated with low-voltage coil winding, improve the safety in utilization of transformer.
Further, it is equipped with high voltage ring skeleton maintaining part 4 in high-tension coil cavity and is set in high voltage ring skeleton holding
High voltage ring skeleton 41 in portion 4, high-tension coil are wrapped on high voltage ring skeleton 41, it is preferable that high voltage ring skeleton 41 can be with
For overhanging plate body structure in high voltage ring skeleton maintaining part 4, preferably high voltage ring skeleton 41 is with high voltage ring skeleton maintaining part 4
Integrated formed structure.Specifically, high voltage ring skeleton 41 is multiple successively spaced interval plates, two neighboring interval
The trough body structure for accommodating wire body is formed between plate, for the ease of winding high-tension coil, it is preferable that set on high voltage ring skeleton 41
There is high-voltage leading-out wire notch 42.
Preferably, high voltage ring skeleton maintaining part 4 and high voltage ring skeleton 41 are multiple, and high voltage ring skeleton is kept
Portion 4 and high voltage ring skeleton 41 correspond.Specifically, high-tension coil winding can be two.
Further, it is equipped with low-voltage coil skeleton maintaining part 5 in low-voltage coil cavity and is set in low-voltage coil skeleton holding
Low-voltage coil skeleton 51 in portion 5, low-voltage coil are wrapped on low-voltage coil skeleton 51, it is preferable that low-voltage coil skeleton 51 can be with
For overhanging plate body structure in low-voltage coil skeleton maintaining part 5, preferred lower pressure coil rack 51 and low-voltage coil skeleton maintaining part 5 one
Forming structure.Specifically, low-voltage coil skeleton 51 is multiple successively spaced interval plates.It is low for the ease of winding
Crimping circle, it is preferable that low-voltage coil skeleton 51 is equipped with low pressure lead-out wire notch 52.Specifically, 5 He of low-voltage coil skeleton maintaining part
Low-voltage coil skeleton 51 is multiple, and low-voltage coil skeleton maintaining part 5 and low-voltage coil skeleton 51 correspond.
As shown in Figure 6 and Figure 7, low-voltage coil skeleton 51 and 41 inside winding of high voltage ring skeleton have skeleton, skeleton
Every layer is uniformly distributed according to oval structure, and has lead wire outlet, i.e. low pressure lead-out wire notch 52 and high-voltage leading-out wire notch 42, skeleton
Interlayer is uniformly isolated, so that coiling is more regular, electric field strength is more uniform.
Specifically, high-tension coil winding is formed by 41 coiling of high voltage ring skeleton when assembling, low-voltage coil winding leads to
It crosses 51 coiling of low-voltage coil skeleton to form, is then respectively put into high-tension coil cavity and low-voltage coil cavity.
Specifically as shown in Figure 1, high-voltage coil and low-voltage coil winding box 2 is ellipsoidal structure, iron core 7 is along above-mentioned transverse side
To placement, iron core 7 is completed along box body center transverse direction and is installed, guarantee that volume of transformer is minimum.
Preferably, the outer surface of high-voltage coil and low-voltage coil winding box 2 and/or high-tension coil winding end cap 3 is isolated coated with metal
Layer.Insulate box surface coating metal shielded layer, so that field strength distribution is more uniform around transformer under high pressure, pressure resistance is higher.
The outer surface of high-voltage coil and low-voltage coil winding box 2 and 21 outer surface of channel be respectively equipped with the first metallic spacer 23 and the second metal every
Absciss layer 22, high-tension coil winding end cap 3 outer surface be coated with third metallic spacer 31, so that transformer field strength is evenly distributed,
Meanwhile third metallic spacer 31 is equipped with fault trough 311, specifically, 311 length direction of fault trough is along third metallic spacer 31 half
Diameter direction extends, and prevents short circuit.
Specifically, one end on low-voltage coil cavity far from high-tension coil winding end cap 3 is the atrium being in communication with the outside
Body, after high-tension coil winding and internal low-voltage coil windings encapsulating, no the air gap, due to external pressure coil heating amount compared with
Greatly, by the way that open-ended cavity is arranged, its is exposed in 2 outside of high-voltage coil and low-voltage coil winding box, thus whole convenient for heat dissipation.
Welding section stress is larger in order to prevent, extends the service life of transformer, it is preferable that the transformer further includes the first company
Extension bar 6 and the second connecting rod, the both ends of first connecting rod 6 connect with high-voltage leading-out wire box 1 and high-tension coil winding end cap 3 respectively
It connects, the both ends of the second connecting rod are connect with high-voltage leading-out wire box 1 and high-voltage coil and low-voltage coil winding box 2 respectively.Specifically, it is preferable that the
One connecting rod 6 and the second connecting rod are insulating bar, and first connecting rod 6 and the second connecting rod are two, and 6 He of first connecting rod
Second connecting rod is L shape bar, is fixed by four L shape bars, proof strength, and the final field strength for realizing high-tension transformer is uniformly divided
Cloth, more high withstand voltage intensity, reliable solid isolation and climb electrical isolation along face, strengthen high-voltage leading-out wire box 1 and height crimping
Enclose the integral strength of winding box 2.
On the basis of above-mentioned each scheme, it is preferable that the outside of high-voltage leading-out wire box 1 be equipped with it is multiple set gradually climb electric muscle
11.Electric muscle 11 is climbed in the setting of 1 surrounding of high-voltage leading-out wire box, and volume of transformer greatly reduces on the whole, and power density is high；Can not only it add
The rigidity of strong box body, can also increase and climb electricity.
A kind of transformer processing method provided by the present application, comprising steps of
S1: injection molding high-voltage leading-out wire box 1, high-voltage coil and low-voltage coil winding box 2 and high-tension coil winding end cap 3, high-voltage coil and low-voltage coil
Equipped with high-tension coil cavity and the low-voltage coil cavity being isolated by insulation board with high-tension coil cavity in winding box 2.
S2: high-tension coil being wrapped on the high voltage ring skeleton 41 being set in high voltage ring skeleton maintaining part 4, excellent
Choosing, high voltage ring skeleton 41 can be overhanging plate body structure in high voltage ring skeleton maintaining part 4, preferably high voltage ring skeleton 41 with
High voltage ring skeleton maintaining part 4 is an integral molding structure.High-tension coil, high voltage ring skeleton maintaining part 4 and high voltage ring skeleton
41 are located at high-tension coil cavity.Specifically, high voltage ring skeleton 41 be multiple successively spaced interval plates, adjacent two
The trough body structure for accommodating wire body is formed between a spacing board, for the ease of winding high-tension coil, it is preferable that high voltage ring skeleton
41 are equipped with high-voltage leading-out wire notch 42.
Preferably, high voltage ring skeleton maintaining part 4 and high voltage ring skeleton 41 are multiple, and high voltage ring skeleton is kept
Portion 4 and high voltage ring skeleton 41 correspond.Specifically, high-tension coil winding can be two.
Low-voltage coil is wrapped on the low-voltage coil skeleton 51 being set in low-voltage coil skeleton maintaining part 5, it is preferable that low
Crimping ring framework 51 can be overhanging plate body structure, preferred lower pressure coil rack 51 and low pressure in low-voltage coil skeleton maintaining part 5
5 integrated formed structure of coil rack maintaining part.Low-voltage coil, low-voltage coil skeleton 51 and low-voltage coil skeleton maintaining part 5 are located at
Low-voltage coil cavity.Specifically, low-voltage coil winding can be two.
Specifically, low-voltage coil skeleton 51 is multiple successively spaced interval plates.For the ease of winding low pressure
Coil, it is preferable that low-voltage coil skeleton 51 is equipped with low pressure lead-out wire notch 52.Specifically, low-voltage coil skeleton maintaining part 5 and low
Crimping ring framework 51 is multiple, and low-voltage coil skeleton maintaining part 5 and low-voltage coil skeleton 51 correspond.
As shown in Figure 6 and Figure 7, low-voltage coil skeleton 51 and 41 inside winding of high voltage ring skeleton have skeleton, skeleton
Every layer is uniformly distributed according to oval structure, and has lead wire outlet, i.e. low pressure lead-out wire notch 52 and high-voltage leading-out wire notch 42, skeleton
Interlayer is uniformly isolated, so that coiling is more regular, electric field strength is more uniform.
Specifically, high-tension coil winding is formed by 41 coiling of high voltage ring skeleton when assembling, low-voltage coil winding leads to
It crosses 51 coiling of low-voltage coil skeleton to form, is then respectively put into high-tension coil cavity and low-voltage coil cavity.
Specifically as shown in Figure 1, high-voltage coil and low-voltage coil winding box 2 is ellipsoidal structure, iron core 7 is along above-mentioned transverse side
To placement, iron core 7 is completed along box body center transverse direction and is installed, guarantee that volume of transformer is minimum.
S3: by high-tension coil cavity and the filling dielectric sealing of low-voltage coil cavity, specifically, dielectric can be
Insulating resin.
S4: high-tension coil winding end cap 3 is sealed into high-tension coil cavity hatch, high-tension coil cavity and high-voltage leading-out wire
The cavity of box 1 is connected to by the channel 21 of sealing；
S5: high-voltage leading-out wire box 1 is fixedly connected with high-voltage coil and low-voltage coil winding box 2.
By insulation case assembly and Embedding Material realize high pressure and low pressure complete dual solid isolation, high-tension coil around
The equal encapsulating processing of group, low-voltage coil winding, is in solid isolation state, is isolated without big the air gap.High pressure simultaneously
Lead-out wire is separately in high-voltage leading-out wire box 1, completely isolated with low-voltage coil winding, improves the safety in utilization of transformer.
One end on low-voltage coil cavity far from high-tension coil winding end cap 3 is the open-ended cavity being in communication with the outside.
Specifically, can recording quantity by high-voltage leading-out wire box 1 towards high-voltage coil and low-voltage coil winding box 2, high-voltage leading-out wire
There is the connection of channel 21 between box 1 and high-voltage coil and low-voltage coil winding box 2, high-voltage leading-out wire is drawn out to high pressure extraction by the connection of channel 21
Inside wire box 1.Specifically, the bottom of high-voltage coil and low-voltage coil winding box 2 is arranged in channel 21, high-voltage leading-out wire is drawn out to high pressure and is drawn
Outlet box 1 is isolated with low-voltage coil cavity.
Specifically, insulation case assembly be moulding, high-voltage leading-out wire box 1, high-voltage coil and low-voltage coil winding box 2 and high-tension coil around
The group independent injection molding of end cap 3, two structures mutually fixed are welded into entirety by faying surface at two in the case assembly that insulate, absolutely
Edge case assembly, high reliablity easy to process by welding assembly.Wherein high-voltage leading-out wire box 1,2 and of high-voltage coil and low-voltage coil winding box
3 Dan Zhongjun of high-tension coil winding end cap chooses smooth big face welding, and wherein high-tension coil winding end cap 3 is put in high-tension coil winding
It is welded again after entering, specifically, low-voltage coil winding is mounted on high-tension coil winding is mounted on high-tension coil cavity
Encapsulating insulation system again after low-voltage coil cavity, i.e., along high-voltage coil and low-voltage coil winding outside low-voltage coil winding and high-tension coil winding
2 surface of box carries out thin layer encapsulating, seals high-tension coil winding end cap 3 and high-voltage coil and low-voltage coil winding box 2 after the completion of encapsulating.
The outer surface of high-voltage coil and low-voltage coil winding box 2 and/or high-tension coil winding end cap 3 is coated with metallic spacer.Insulation
Box surface coating metal shielded layer, so that field strength distribution is more uniform around transformer under high pressure, pressure resistance is higher.In high-low pressure
The outer surface and 21 outer surface of channel of coil windings box 2 be respectively equipped with the first metallic spacer 23 and the second metallic spacer 22,
The outer surface of high-tension coil winding end cap 3 is coated with third metallic spacer 31, and transformer field strength is made to be evenly distributed, meanwhile, the
Three metallic spacers 31 are equipped with fault trough 311, specifically, 311 length direction of fault trough is along 31 radial direction of third metallic spacer
Extend, prevents short circuit.
Specifically, one end on low-voltage coil cavity far from high-tension coil winding end cap 3 is the atrium being in communication with the outside
Body, after high-tension coil winding and internal low-voltage coil windings encapsulating, no the air gap, due to external pressure coil heating amount compared with
Greatly, by the way that open-ended cavity is arranged, its is exposed in 2 outside of high-voltage coil and low-voltage coil winding box, thus whole convenient for heat dissipation.
Welding section stress is larger in order to prevent, extends the service life of transformer, it is preferable that the transformer further includes the first company
Extension bar 6 and the second connecting rod, the both ends of first connecting rod 6 connect with high-voltage leading-out wire box 1 and high-tension coil winding end cap 3 respectively
It connects, the both ends of the second connecting rod are connect with high-voltage leading-out wire box 1 and high-voltage coil and low-voltage coil winding box 2 respectively.Specifically, it is preferable that the
One connecting rod 6 and the second connecting rod are insulating bar, and first connecting rod 6 and the second connecting rod are two, and 6 He of first connecting rod
Second connecting rod is L shape bar, is fixed by four L shape bars, proof strength, and the final field strength for realizing high-tension transformer is uniformly divided
Cloth, more high withstand voltage intensity, reliable solid isolation and climb electrical isolation along face, strengthen high-voltage leading-out wire box 1 and height crimping
Enclose the integral strength of winding box 2.
On the basis of above-mentioned each scheme, it is preferable that the outside of high-voltage leading-out wire box 1 be equipped with it is multiple set gradually climb electric muscle
11.Electric muscle 11 is climbed in the setting of 1 surrounding of high-voltage leading-out wire box, volume of transformer greatly reduces on the whole, and power density is high；Not only may be used
The rigidity for reinforcing box body, can also increase and climb electricity.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (13)
1. a kind of transformer, which is characterized in that further include insulation case assembly, the insulation case assembly includes high-voltage leading-out wire box
(1), the high pressure of high-voltage coil and low-voltage coil winding box (2) and the high-tension coil cavity for blocking the high-voltage coil and low-voltage coil winding box (2)
Coil windings end cap (3), the high-voltage leading-out wire box (1) are fixedly connected with the high-voltage coil and low-voltage coil winding box (2), the high pressure
Coil cavity is connected to the cavity of the high-voltage leading-out wire box (1) by the channel (21) of sealing, the high-voltage coil and low-voltage coil winding
It is equipped with the low-voltage coil cavity being isolated by insulation board with high-tension coil cavity in box (2), the low-voltage coil cavity and described
Equal encapsulating has insulation system in high-tension coil cavity.
2. transformer according to claim 1, which is characterized in that be equipped with high voltage ring skeleton in the high-tension coil cavity
Maintaining part (4) and the high voltage ring skeleton (41) being set on the high voltage ring skeleton maintaining part (4), high-tension coil is wrapped in
On the high voltage ring skeleton (41).
3. transformer according to claim 2, which is characterized in that the high voltage ring skeleton maintaining part (4) and the height
Crimping ring framework (41) is multiple, and the high voltage ring skeleton maintaining part (4) and the high voltage ring skeleton (41) are one by one
It is corresponding.
4. transformer according to claim 2, which is characterized in that the high voltage ring skeleton (41) is drawn equipped with high pressure
Line notch (42).
5. transformer according to claim 1, which is characterized in that be equipped with low-voltage coil skeleton in the low-voltage coil cavity
Maintaining part (5) and the low-voltage coil skeleton (51) being set on the low-voltage coil skeleton maintaining part (5), low-voltage coil is wrapped in
On the low-voltage coil skeleton (51).
6. transformer according to claim 5, which is characterized in that the low-voltage coil skeleton maintaining part (5) and described low
Crimping ring framework (51) is multiple, and the low-voltage coil skeleton maintaining part (5) and the low-voltage coil skeleton (51) are one by one
It is corresponding.
7. transformer according to claim 5, which is characterized in that the low-voltage coil skeleton (51) is drawn equipped with low pressure
Line notch (52).
8. transformer according to claim 1, which is characterized in that the high-voltage coil and low-voltage coil winding box (2) and the high pressure
The outer surface of coil windings end cap (3) is coated with metallic spacer.
9. transformer according to claim 8, which is characterized in that the metal of the high-tension coil winding end cap is isolated
Layer is equipped with the fault trough (311) for preventing short circuit.
10. transformer according to claim 1, which is characterized in that it further include first connecting rod (6) and the second connecting rod,
The both ends of the first connecting rod (6) connect with the high-voltage leading-out wire box (1) and the high-tension coil winding end cap (3) respectively
It connects, the both ends of second connecting rod connect with the high-voltage leading-out wire box (1) and the high-voltage coil and low-voltage coil winding box (2) respectively
It connects.
11. transformer according to claim 1, which is characterized in that far from the high-voltage line on the low-voltage coil cavity
The one end for enclosing winding end cap (3) is the open-ended cavity being in communication with the outside.
12. transformer according to claim 1, which is characterized in that the outside of the high-voltage leading-out wire box (1) is equipped with multiple
What is set gradually climbs electric muscle (11).
13. a kind of transformer processing method, which is characterized in that comprising steps of
S1: injection molding high-voltage leading-out wire box (1), high-voltage coil and low-voltage coil winding box (2) and high-tension coil winding end cap (3), the height
Equipped with high-tension coil cavity and the low-voltage coil being isolated by insulation board with the high-tension coil cavity in pressure coil windings box (2)
Cavity；
S2: high-tension coil being wrapped on the high voltage ring skeleton (41) being set on high voltage ring skeleton maintaining part (4), described
High-tension coil, the high voltage ring skeleton maintaining part (4) and the high voltage ring skeleton (41) are set to the high-tension coil chamber
Body；
Low-voltage coil is wrapped on the low-voltage coil skeleton (51) being set on low-voltage coil skeleton maintaining part (5), it is described low
Crimping circle, the low-voltage coil skeleton (51) and the low-voltage coil skeleton maintaining part (5) are set to the low-voltage coil cavity；
S3: by high-tension coil cavity and the filling dielectric sealing of low-voltage coil cavity；
S4: sealing the high-tension coil cavity hatch for high-tension coil winding end cap (3), the high-tension coil cavity with it is described
Channel (21) connection that the cavity of high-voltage leading-out wire box (1) passes through sealing；
S5: high-voltage leading-out wire box (1) is fixedly connected with high-voltage coil and low-voltage coil winding box (2).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021098181A1 (en) * | 2019-11-21 | 2021-05-27 | 阳光电源股份有限公司 | Transformer and transformer machining process |
| CN113764178A (en) * | 2021-08-03 | 2021-12-07 | 佛山市亨得利电子电器有限公司 | Manufacturing method of high-voltage coil device |
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| CN205004161U (en) * | 2015-09-17 | 2016-01-27 | 孙振民 | Take integrated current transformer of contact box modularization |
| CN208093339U (en) * | 2018-03-08 | 2018-11-13 | 广州易和医疗技术开发有限公司 | A kind of transformer and potential device |
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| CN201765930U (en) * | 2010-07-02 | 2011-03-16 | 西安长庆科技工程有限责任公司 | Combined power transformer |
| CN102436913A (en) * | 2011-12-20 | 2012-05-02 | 芜湖国睿兆伏电子股份有限公司 | Encapsulated inductor and assembly process thereof |
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| EP3951813A4 (en) * | 2019-11-21 | 2023-01-18 | Sungrow Power Supply Co., Ltd. | Transformer and transformer machining process |
| CN113764178A (en) * | 2021-08-03 | 2021-12-07 | 佛山市亨得利电子电器有限公司 | Manufacturing method of high-voltage coil device |
| CN113764178B (en) * | 2021-08-03 | 2023-09-19 | 佛山市亨得利电子电器有限公司 | Manufacturing method of high-voltage coil device |
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| CN109524220B (en) | 2020-08-28 |
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