CN208225653U - A kind of insulation crust mutual inductor - Google Patents
A kind of insulation crust mutual inductor Download PDFInfo
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- CN208225653U CN208225653U CN201820878189.8U CN201820878189U CN208225653U CN 208225653 U CN208225653 U CN 208225653U CN 201820878189 U CN201820878189 U CN 201820878189U CN 208225653 U CN208225653 U CN 208225653U
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- insulation crust
- winding
- mutual inductor
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- iron core
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Abstract
The utility model discloses a kind of insulation crust mutual inductors, including insulation crust, Embedding Material and mutual inductor excitation winding, mutual inductor excitation winding is filling into gap between the two by the Embedding Material of melting after being positioned in insulation crust by winding iron core fixed structure, the insulation crust is fixed together by the Embedding Material and the mutual inductor excitation winding, multiple lower margin inserts and outlet inserts can be fixed on designated position in the Embedding Material pouring process；The manufacture craft of the mutual inductor includes four steps, first is that the production of insulation crust；Second is that mutual inductor excitation winding or electronic component are put into, third is that encapsulating insulating materials；Fourth is that arranging detection.Contain winding iron core fixed structure inside the utility model insulation crust, so that good product quality and stability height；In manufacturing process, mutual inductor excitation winding and insulation crust produce respectively, facilitate stock, and be independent of each other progress between process, effectively increase production efficiency, reduce labor intensity of workers.
Description
Technical field
The utility model relates to mutual inductor manufacture technology field in power equipment more particularly to a kind of insulation crust mutual inductances
Device.
Background technique
Mutual inductor is the equipment of scaling transformation voltage or electric current.Its function mainly by high voltage or high current in proportion
It is transformed into normal low voltage (100V) or standard small electric current (5A or 1A, refer both to rated value), to realize that measuring instrumentss, protection are set
Standby and automatic control equipment standardization, miniaturization.Simultaneously mutual inductor may further be used to separate high-voltage system, with guarantee the person and
The safety of equipment.
Existing 35kV and mutual inductor below mostly use vacuum pouring epoxy resin technology, and life cycle of the product is long, effect
Rate is low, and manpower and Material Cost are high.One set of die one day in the mutual inductor production process of traditional vacuum casting epoxy resin technique
2 products can only at most be gone out, and mould release and assembling are complex, if wanting to improve yield, mold and worker can only be increased
Quantity, it is low efficiency, at high cost.
Utility model content
The purpose of the utility model is to provide a kind of insulation crust mutual inductors, solve prior art vacuum pouring epoxy resin
Technique, the production cycle is long, ineffective problem.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of insulation crust mutual inductor of the utility model, including insulation crust, Embedding Material and mutual inductor excitation winding, institute
It states insulation crust and is located at outermost, the mutual inductor excitation winding is located at center, and the mutual inductor excitation winding is in the insulation
It is after being positioned by winding iron core fixed structure in shell that the Embedding Material of melting is filling into gap between the two, it is described absolutely
Edge shell is fixed together by the Embedding Material and the mutual inductor excitation winding, meeting in the Embedding Material pouring process
Multiple lower margin inserts and outlet inserts are fixed on designated position.
Further, the mutual inductor excitation winding includes winding iron core fixed structure and winding, and the winding iron core is solid
Determine structure to be connected on the insulation crust, be fixed when the winding is put into the insulation crust by the winding iron core
Structure realizes positioning when encapsulating.
Further, the winding includes winding iron core and primary winding coils, the winding iron core and first winding
Coil links together, and the winding iron core and primary winding coils are located at the center of the insulation crust and are arranged symmetrically.
Further, the winding includes first winding and secondary winding, and the first winding and secondary winding pass through
The Embedding Material carries out one is isolated to secondary high-pressure.
Further, the outlet inserts includes an outlet inserts and secondary outgoing line inserts, and an outlet is embedding
Part setting is on the top on surface, on secondary outgoing line inserts side wall arranged at the bottom, step surface or bottom surface.
Further, once outlet copper sheet is arranged in the top of an outlet inserts；Outlet inserts
Top be threadedly coupled once outlet screw, the lower section of an outlet inserts once connect copper bar.
Further, mounting base is connected on the bottom surface of the insulation crust, the mounting base is connected by bolt
Connect on the inserts of the insulation crust.
Compared with prior art, the advantageous effects of the utility model:
The utility model insulation crust mutual inductor, including the insulation crust, Embedding Material and mutual inductance to interconnect
Device excitation winding, wherein passing through a series of ingredient, spice, the molding of injection mold, die sinking pickup etc. under insulation crust when making
It is cooled and shaped after step, then Embedding Material is filled between insulation crust and mutual inductor excitation winding by encapsulating die again
The two bonding is linked together, and is connected to multiple accessories such as the lower margin inserts of needs, outlet inserts in potting process
Designated position.In the manufacturing process, mutual inductor excitation winding and insulation crust produce respectively, facilitate stock, between process mutually not
Influence progress, so that speed of production is fast, high production efficiency；Contain winding iron core fixed structure inside insulation crust, so that product
High-quality and stability is high；Artificial frequent dismounting mold it is not related in production process, labor intensity of workers reduces, working efficiency
It greatly improves, while significantly reducing artificial and material cost.
Detailed description of the invention
The utility model is described in further detail for explanation with reference to the accompanying drawing.
Fig. 1 is one structural schematic diagram of the utility model insulation crust mutual inductor embodiment；
Fig. 2 is two structural schematic diagram of the utility model insulation crust mutual inductor embodiment；
Fig. 3 is three structural schematic diagram of the utility model insulation crust mutual inductor embodiment；
Fig. 4 is the fabrication processing figure of the utility model insulation crust mutual inductor；
Description of symbols: 1, insulation crust；2, Embedding Material；3, lower margin inserts；4, outlet inserts；401, once go out
Line inserts；402, secondary outgoing line inserts；403, an outlet copper sheet；404, an outlet screw；405, lead sealing screw inserts；
406, copper bar is once connected；5, winding iron core fixed structure；6, winding；601, first winding；602, secondary winding；603, winding
Iron core；604, primary winding coils；7, mounting base；8, electronic component.
Specific embodiment
As shown in Figure 1-3, a kind of insulation crust mutual inductor, including insulation crust 1, Embedding Material 2 and mutual inductor excitation around
Group, the insulation crust 1 are located at outermost, and the mutual inductor excitation winding is located at center, and the mutual inductor excitation winding is in institute
It states after being positioned in insulation crust 1 by winding iron core fixed structure 5 that the Embedding Material 2 of melting is filling into gap between the two
In, the insulation crust 1 is fixed together by the Embedding Material 2 and the mutual inductor excitation winding, the Embedding Material
Multiple lower margin inserts 3 and outlet inserts 4 can be fixed on designated position in 2 pouring processes.Specifically, the insulation crust
Material includes epoxy package, silica gel shell etc., and different shells is suitable for different product, and Fig. 1,2,3 are respectively electromagnetic type
Current transformer, electromagnetic potential transformer, electronic sensor structural schematic diagram.
The mutual inductor excitation winding includes winding iron core fixed structure 5 and winding 6, the winding iron core fixed structure 5
It is connected on the insulation crust 1, passes through the winding iron core fixed knot when winding 6 is put into the insulation crust 1
Structure 5 realizes positioning when encapsulating.
The winding 6 includes winding iron core 603 and primary winding coils 604, the winding iron core 603 and first winding line
Circle 604 links together, and the winding iron core 603 and primary winding coils 604 are located at the center of the insulation crust 1 and symmetrically
Arrangement.The winding 6 includes first winding 601 and secondary winding 602, and the first winding 601 and secondary winding 602 pass through institute
It states Embedding Material 2 and carries out one to secondary high-pressure isolation, Embedding Material 2 is used to insulate as mutual inductor major insulation.
The outlet inserts 4 includes an outlet inserts 401 and secondary outgoing line inserts 402, an outlet inserts 401
It is arranged on surface on the top, on the secondary outgoing line inserts 402 side wall arranged at the bottom, step surface or bottom surface.
Once outlet copper sheet 403 is arranged in the top of outlet inserts 401；Outlet inserts 401
Once outlet screw 404, the lower section of an outlet inserts 401 once connect copper bar 406 for top threaded connection.
Be connected with mounting base 7 on the bottom surface of the insulation crust 1, the mounting base 7 be bolted with institute
On the inserts for stating insulation crust 1.Specifically, the design of mounting base 7 is set according to demand.
As shown in figure 4, a kind of manufacture craft of insulation crust mutual inductor, makes insulation crust mutual inductor packet as described above
Include following four step:
Step 1: the production of insulation crust 1 and winding 6.
Step 2: mutual inductor excitation winding or electronic component 8 are put into；By insulation crust 1 and the mutual inductor excitation winding
Or electronic component 8 is put into potting fixture together and is positioned, the potting fixture specifically uses vacuum casting apparatus.
Step 3: encapsulating insulating materials；Embedding Material is encased in the first vacuum chamber, the semi-finished product of insulation crust will be installed
Mutual inductor is put into the second vacuum chamber, is then shut off the door of the first vacuum chamber and the second vacuum chamber, and to the first vacuum chamber and second
Vacuum chamber carries out vacuumizing degassing process；As vacuum degree arrival -0.1Mpa and after kept for the regular hour, feeding materials valve is decontroled, absolutely
Edge material flows into the semi-finished product mutual inductor for installing insulation crust, closes feeding materials valve after stream is full, then opens intake valve, make vacuum
Room air pressure restores to atmospheric pressure, the second vacuum chamber of opening, and the good product of taking-up encapsulating stands 8 hours or more；Encapsulating operation is completed,
Band insulation crust mutual inductor finished product after taking out encapsulating；The time kept when the vacuum degree arrival -0.1Mpa is 5-10 minutes.
Step 4: arranging detection, carries out product appearance, secondary output accuracy, compressive resistance according to product testing standard
Detection.
Following steps are mainly passed through in the production of insulation crust 1 in step 1:
1) firstly, insulation crust mold is mounted in pressure gel equipment, be then combined with mold, be preheating to 110 DEG C-
Between 130 DEG C；
2) according to yield using every mould insulation crust component A epoxy resin as standard preparation mould material, different materials
Insulation crust 1 is formulated difference；By taking the shell of epoxide resin material as an example: by " epoxy resin A group: epoxy resin B group: silicon powder:
Pigment=1:1:3.0~3.8:0.002~0.01 " is matched；
3) stirring before first by filler silicon powder in baking oven 90~120 DEG C of drying a few hours, then silicon powder is down to about 40
DEG C when reuse, the filler that stirs in tank sequence is followed successively by epoxy resin component A-silicon powder-epoxy resin B component-haematochrome；
4) it with stirring operation is carried out after honest material, is stirred according to the sequence of setting, it specifically, can be according to stirring at a slow speed
Mix, moderate-speed mixer and the stirring frequency quickly stirred are stirred operation, degassing is vacuumized after the completion of stirring, to vacuum table pressure
Start timing when arrival -0.1MPa, or so 2 hours stopping vacuumizes, and carries out pressure release；
5) material is sent at pressure gel equipment, filling tube is connected, compressed air valve is shut, connect compressed air
Pipe；
6) mold is opened, release agent is sprayed on mold, is then combined with mold and pressure maintaining；When control cabinet upper mold temperature is aobvious
Show at 110 DEG C -130 DEG C, opens compressed air valve, the Epoxy Resin For Automatic Pressure Gelation Process into mold, and ensure pressure in 0.4-0.5MPa
Between, when beginning with epoxy material spilling above mold, compressed air valve is closed, is vulcanized 20-40 minutes；
7) by batch can pressure release, mold is opened, extracts mold core out, takes out insulation crust.
Embodiment described above is only that the preferred embodiment of the utility model is described, not to the utility model
Range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are practical new to this
The various changes and improvements that the technical solution of type is made should all fall into the protection scope that the utility model claims book determines
It is interior.
Claims (7)
1. a kind of insulation crust mutual inductor, it is characterised in that: including insulation crust (1), Embedding Material (2) and mutual inductor excitation around
Group, the insulation crust (1) are located at outermost, and the mutual inductor excitation winding is located at center, and the mutual inductor excitation winding exists
After being positioned by winding iron core fixed structure (5) in the insulation crust (1) by the Embedding Material (2) of melting it is filling into the two it
Between gap in, the insulation crust (1) is fixed together by the Embedding Material (2) and the mutual inductor excitation winding,
Multiple lower margin inserts (3) and outlet inserts (4) can be fixed on designated position in Embedding Material (2) pouring process.
2. insulation crust mutual inductor according to claim 1, it is characterised in that: the mutual inductor excitation winding includes winding
Iron core fixing structure (5) and winding (6), the winding iron core fixed structure (5) is connected on the insulation crust (1), described
Winding (6) be put into the insulation crust (1) it is interior when by the winding iron core fixed structure (5) realize encapsulating when positioning.
3. insulation crust mutual inductor according to claim 2, it is characterised in that: the winding (6) includes winding iron core
(603) and primary winding coils (604), the winding iron core (603) and primary winding coils (604) link together, described
Winding iron core (603) and primary winding coils (604) are located at the center of the insulation crust (1) and are arranged symmetrically.
4. insulation crust mutual inductor according to claim 2, it is characterised in that: the winding (6) includes first winding
(601) it is carried out with secondary winding (602), the first winding (601) and secondary winding (602) by the Embedding Material (2)
One is isolated to secondary high-pressure.
5. insulation crust mutual inductor according to claim 1, it is characterised in that: the outlet inserts (4) includes once going out
Line inserts (401) and secondary outgoing line inserts (402), an outlet inserts (401) are arranged on surface on the top, and described two
On secondary outlet inserts (402) side wall arranged at the bottom, step surface or bottom surface.
6. insulation crust mutual inductor according to claim 5, it is characterised in that: an outlet inserts (401) it is upper
Once outlet copper sheet (403) are arranged in side；The top of outlet inserts (401) is threadedly coupled once outlet screw
(404), the lower section of an outlet inserts (401) once connects copper bar (406).
7. insulation crust mutual inductor according to claim 1, it is characterised in that: connect on the bottom surface of the insulation crust (1)
Be connected to mounting base (7), the mounting base (7) be bolted on the inserts of the insulation crust (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820878189.8U CN208225653U (en) | 2018-06-07 | 2018-06-07 | A kind of insulation crust mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820878189.8U CN208225653U (en) | 2018-06-07 | 2018-06-07 | A kind of insulation crust mutual inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208225653U true CN208225653U (en) | 2018-12-11 |
Family
ID=64505244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820878189.8U Active CN208225653U (en) | 2018-06-07 | 2018-06-07 | A kind of insulation crust mutual inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208225653U (en) |
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2018
- 2018-06-07 CN CN201820878189.8U patent/CN208225653U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190814 Address after: 102206 No. 97 Changping Road, Shahe Town, Changping District, Beijing, 6 3032 (Changping Demonstration Park) Patentee after: BEIJING MICROPOWER TECHNOLOGY CO., LTD. Address before: No. 18 Yuhong Street, Ruanzhuang Village, Jiaozhuang Township, Lianchi District, Baoding City, Hebei Province Patentee before: Baoding Zhong Bo Electric Equipment Manufacturing Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210630 Address after: 125000 north of Changcheng Road, dongdaihe New District, Huludao City, Liaoning Province Patentee after: Liaoning micro energy electrical equipment manufacturing Co.,Ltd. Address before: 102206 3032, building 6, No. 97, Changping Road, Shahe Town, Changping District, Beijing (Changping Demonstration Park) Patentee before: BEIJING MICROPOWER TECHNOLOGY Co.,Ltd. |