CN108831707A - A kind of combined electromagnetic voltage transformer body and its manufacturing method - Google Patents
A kind of combined electromagnetic voltage transformer body and its manufacturing method Download PDFInfo
- Publication number
- CN108831707A CN108831707A CN201810655189.6A CN201810655189A CN108831707A CN 108831707 A CN108831707 A CN 108831707A CN 201810655189 A CN201810655189 A CN 201810655189A CN 108831707 A CN108831707 A CN 108831707A
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- CN
- China
- Prior art keywords
- iron core
- core
- coil
- housing
- groups
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/263—Fastening parts of the core together
-
- 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
-
- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/24—Voltage transformers
- H01F38/26—Constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/005—Impregnating or encapsulating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Regulation Of General Use Transformers (AREA)
Abstract
The present invention relates to transformer technical fields, specifically disclose a kind of combined electromagnetic voltage transformer body and its manufacturing method, body includes coil and two groups of core assemblies, two groups of core assemblies are opposite to be connected, coil is set between two groups of core assemblies, and core assembly includes bottom plate, housing and iron core, and housing is fixed on bottom plate, iron core is fixed on housing, and the iron core of two groups of core assemblies fits；Manufacturing method：Housing is assembled to bottom plate, iron core is fixed on housing；Side shield plate is installed to housing, forms core assembly；High-tension shielding cover is installed to the outside of coil, coil is set on the iron core of first core assembly；Another core assembly is docked and is fastened；Bottom barricade is installed.Mutual inductor machine body structure of the present invention is compact, good appearance, fixation, changes the fixed form of iron core, keeps iron core fixation stronger, reliable, greatly improves the reliability, stability and electric property of the globality of body.
Description
Technical field
The present invention relates to electromagnetic voltage transformer technical fields, and in particular to a kind of combined electromagnetic voltage transformer body
And its manufacturing method.
Background technique
Electromagnetic potential transformer is the equipment using electromagnetic induction principle scaling transformation voltage or electric current.Mutual inductor
Function is that at normal low voltage (100V) or standard small electric current, (5A or 10A, refer both to volume by high voltage or high current scaling transformation
Definite value), to realize standardization, the miniaturization of measuring instrumentss, protection equipment and automatic control equipment.Mutual inductor may further be used to every
High-voltage system is opened, to guarantee the safety of the person and equipment.
In electromagnetic potential transformer, iron core is the important component part of mutual inductor body, and the performance of iron core directly affects
The performance of entire mutual inductor body, the mode for generalling use binding when iron core is fixed in the prior art is fixed, using bundle
When the mode tied up carries out iron core fixation, iron core is not easy fixation, is both easy to influence the stability of iron core, was also easy to appear and falls off
The phenomenon that, so technical solution of the present invention focuses on solving this problem.
Summary of the invention
It is mutual the technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of combined electromagnetic voltage
Sensor body and its manufacturing method solve the problems, such as that iron core is fixed in body in the prior art, makes the overall performance of body more
Stablize, is reliable.
In order to solve the above technical problems, the present invention provides a kind of combined electromagnetic voltage transformer body, including coil
With two groups of core assemblies, two groups of core assemblies are opposite to be connected, and the coil is set between two groups of core assemblies, iron core group
Part includes bottom plate, housing and iron core, and the housing is fixed on bottom plate, and the iron core is fixed on the housing, and described two groups
The iron core of core assembly fits, and the coil is set in the iron core joint place.
Further, it is equipped with high-tension shielding cover on the outside of the periphery of the coil, the two sides of the coil are equipped with side screen
Shield plate, the side shield plate are fixed on the housing, and the bottom of the coil is equipped with bottom barricade, and the bottom barricade is fixed
On side shield plate.
Further, the iron core is fixedly connected by filled layer with the housing, and the filled layer is pasted on one side
On the inside of the housing, another side is pasted on the iron core.
Preferably, the filled layer is by cast polyurethane.
Further, by taking out tight screw rod connection between the bottom plate of two groups of core assemblies.
The present invention also provides a kind of methods for making combined electromagnetic voltage transformer body, and specific steps are such as
Under：
S1, housing is assembled to bottom plate, is poured after being supported iron core using tooling supporting block, iron core is fixed to cover
On shell；
S2, side shield plate is installed on housing, forms core assembly；
S3, the outside that high-tension shielding cover is installed to coil, coil are set on the iron core of first core assembly；
S4, another core assembly is docked with first core assembly, is fastened by taking out tight screw rod；
S5, bottom barricade is mounted on side shield plate.
Preferably, insulating cylinder is equipped at the coil inner hole, the insulating cylinder includes primary insulation cylinder and secondary insulating cylinder,
The primary insulation cylinder is close to coil, and the secondary insulating cylinder is bonded with the inner wall of primary insulation cylinder.
Specifically, the casting of iron core is carried out in S1 using polyurethane.
The beneficial effects of the invention are as follows：Mutual inductor machine body structure of the present invention is compact, good appearance, fixation, will be originally
Secured core by the way of the fixed structure of iron core is changed to using housing casting is carried out using binding mode, keeps iron core fixation more firm
Solid, it is reliable, greatly improve the reliability, stability and electric property of the globality of body.
Detailed description of the invention
It, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical solution of the present invention
The attached drawing used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Its attached drawing.
Fig. 1 is the structural schematic diagram of mutual inductor body of the present invention；
Fig. 2 is the structural schematic diagram of mutual inductor body of the present invention part iron core.
In figure：1- coil, 2- bottom plate, 3- housing, 4- iron core, 5- high-tension shielding cover, 6- side shield plate, the bottom 7- barricade,
8- filled layer, 9- primary insulation cylinder, 10- secondary insulating cylinder.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative labor belongs to what the present invention protected
Range.
In a specific embodiment of the present invention, as shown in Figure 1 to Figure 2, the invention particularly discloses a kind of combined electromagnetics
Voltage transformer body, including coil 1 and two groups of core assemblies, two groups of core assemblies are opposite to be connected, and the coil 1 is arranged
Between two groups of core assemblies, high-tension shielding cover 5 is equipped on the outside of the periphery of the coil 1, the two sides of the coil 1 are equipped with
Side shield plate 6, the side shield plate 6 are fixed on the housing 3, and the bottom of the coil 1 is equipped with bottom barricade 7, the bottom
Barricade 7 is fixed on side shield plate 6, and the high-tension shielding cover 5, side shield plate 6 and bottom barricade 7 play shielding high pressure
Effect, thoroughly by high-tension shielding except coil 1,
Core assembly includes bottom plate 2, housing 3 and iron core 4, and the housing 3 is fixed on a base plate 2, and the iron core 4 is fixed on
On the housing 3, the iron core 4 is fixedly connected by filled layer 8 with the housing 3, and the filled layer 8 is pasted onto institute on one side
The inside of housing 3 is stated, another side is pasted on the iron core 4, and the filled layer 8 is by cast polyurethane.
When two groups of core assemblies connect relatively, the iron core 4 of two groups of core assemblies fits, two groups of iron cores
By taking out tight screw rod connection fastening between the bottom plate 2 of component.
The coil 1 is set in 4 joint place of iron core, is equipped with insulating cylinder, the insulating cylinder packet at 1 inner hole of coil
Include primary insulation cylinder 9 and secondary insulating cylinder 10, the primary insulation cylinder 9 is close to coil 1, the secondary insulating cylinder 10 with it is primary
The inner wall of insulating cylinder 9 is bonded.
The present invention also provides a kind of methods for manufacturing combined electromagnetic voltage transformer body, and specific steps are such as
Under：
S1, housing 3 is assembled to bottom plate 2 by fixed plate, is poured after being supported iron core 4 using tooling supporting block,
Iron core 4 is fixed on housing 3 using cast polyurethane；
S2, side shield plate 6 is installed on housing 3, forms core assembly；
Coil 1, is set in the iron core 4 of first core assembly by S3, the outside that high-tension shielding cover 5 is installed to coil 1
On；
S4, another core assembly is docked with first core assembly, after the iron core on core assembly fits closely, bottom
Plate is by taking out tight screw rod fastening；
S5, bottom barricade 7 is mounted on side shield plate 6, bottom barricade 7 is arranged below coil 1, and bottom barricade 7 is solid
It is scheduled on the side shield plate of two groups of core assemblies.
In ground of the invention preferred embodiment, insulating cylinder is equipped at 1 inner hole of coil, the insulating cylinder includes primary insulation
Cylinder 9 and secondary insulating cylinder 10, the primary insulation cylinder 9 are close to coil 1, the secondary insulating cylinder 10 and primary insulation cylinder 9
Inner wall fitting.
The beneficial effects of the invention are as follows：Mutual inductor machine body structure of the present invention is compact, good appearance, fixation, will be originally
Secured core by the way of the fixed structure of iron core is changed to using housing casting is carried out using binding mode, keeps iron core fixation more firm
Solid, it is reliable, greatly improve the reliability, stability and electric property of the globality of body.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (8)
1. a kind of combined electromagnetic voltage transformer body, which is characterized in that described including coil (1) and two groups of core assemblies
Two groups of core assemblies are opposite to be connected, and the coil (1) is set between two groups of core assemblies, and core assembly includes bottom plate (2), cover
Shell (3) and iron core (4), the housing (3) are fixed on bottom plate (2), and the iron core (4) is fixed on the housing (3), described
The iron core (4) of two groups of core assemblies fits, and the coil (1) is set in the iron core (4) joint place.
2. a kind of combined electromagnetic voltage transformer body according to claim 1, which is characterized in that the coil (1)
Periphery on the outside of be equipped with high-tension shielding cover (5), the two sides of the coil (1) are equipped with side shield plate (6), the side shield plate
(6) it is fixed on the housing (3), the bottom of the coil (1) is equipped with bottom barricade (7), and the bottom barricade (7) is fixed on
On side shield plate (6).
3. a kind of combined electromagnetic voltage transformer body according to claim 1, which is characterized in that the iron core (4)
It being fixedly connected by filled layer (8) with the housing (3), the filled layer (8) is pasted on one side on the inside of the housing (3),
Another side is pasted on the iron core (4).
4. a kind of combined electromagnetic voltage transformer body according to claim 3, which is characterized in that the filled layer
(8) by cast polyurethane.
5. a kind of combined electromagnetic voltage transformer body according to claim 1, which is characterized in that two groups of iron cores
By taking out tight screw rod connection between the bottom plate (2) of component.
6. a kind of for manufacturing the side of the combined electromagnetic voltage transformer body as described in any one of claim 1-5
Method, which is characterized in that specific step is as follows：
S1, housing is assembled to bottom plate, is poured after being supported iron core using tooling supporting block, iron core is fixed to housing
On；
S2, side shield plate is installed on housing, forms core assembly；
S3, the outside that high-tension shielding cover is installed to coil, coil are set on the iron core of first core assembly；
S4, another core assembly is docked with first core assembly, is fastened by taking out tight screw rod；
S5, bottom barricade is mounted on side shield plate.
7. according to the method described in claim 6, it is characterized in that, being equipped with insulating cylinder, the insulating cylinder at the coil inner hole
Including primary insulation cylinder and secondary insulating cylinder, the primary insulation cylinder is close to coil, the secondary insulating cylinder and primary insulation
The inner wall fitting of cylinder.
8. according to the method described in claim 6, it is characterized in that, the casting of iron core is carried out in S1 using polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810655189.6A CN108831707A (en) | 2018-06-23 | 2018-06-23 | A kind of combined electromagnetic voltage transformer body and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810655189.6A CN108831707A (en) | 2018-06-23 | 2018-06-23 | A kind of combined electromagnetic voltage transformer body and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108831707A true CN108831707A (en) | 2018-11-16 |
Family
ID=64138096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810655189.6A Withdrawn CN108831707A (en) | 2018-06-23 | 2018-06-23 | A kind of combined electromagnetic voltage transformer body and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108831707A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110620000A (en) * | 2019-07-08 | 2019-12-27 | 河南平高电气股份有限公司 | Voltage transformer and shielding case thereof |
| CN110619999A (en) * | 2019-07-08 | 2019-12-27 | 河南平高电气股份有限公司 | Shielding case and voltage transformer using same |
-
2018
- 2018-06-23 CN CN201810655189.6A patent/CN108831707A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110620000A (en) * | 2019-07-08 | 2019-12-27 | 河南平高电气股份有限公司 | Voltage transformer and shielding case thereof |
| CN110619999A (en) * | 2019-07-08 | 2019-12-27 | 河南平高电气股份有限公司 | Shielding case and voltage transformer using same |
| CN110619999B (en) * | 2019-07-08 | 2020-10-27 | 河南平高电气股份有限公司 | Shielding case and voltage transformer using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181116 |