CN201489989U - Multi-purpose totally closed voltage transformer - Google Patents
Multi-purpose totally closed voltage transformer Download PDFInfo
- Publication number
- CN201489989U CN201489989U CN2009201692875U CN200920169287U CN201489989U CN 201489989 U CN201489989 U CN 201489989U CN 2009201692875 U CN2009201692875 U CN 2009201692875U CN 200920169287 U CN200920169287 U CN 200920169287U CN 201489989 U CN201489989 U CN 201489989U
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- winding
- voltage transformer
- voltage
- secondary outlet
- post insulator
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Abstract
The utility model discloses a multi-purpose totally closed voltage transformer which is characterized by comprising a poured shell body, a post insulator and a secondary outlet board. The poured shell body is provided with the post insulator, and the secondary outlet board is arranged beside the poured shell body and is provided with an outlet terminal; a mounting plate is arranged below the secondary outlet board, and a layer type winding and a rectangular iron core are installed on the mounting plate; and the high voltage side of the multi-purpose totally closed voltage transformer is wound by an independent winding structure, while the low voltage side thereof is wound by at least two groups of winding structures; and the post insulator is connected with a high-voltage winding by the extension line of the high-voltage winding, and the outlet terminal is respectively connected with each group of low-voltage windings by extension lines of the low-voltage windings. The multi-purpose totally closed voltage transformer has the advantages of small size, light weight, convenient installation, high stability of kinetic heat, low temperature rise, high precision and the like; in addition, the multi-purpose totally closed voltage transformer also can simultaneously provide a plurality of power sources with equal level of voltage for the use of small-sized devices, and lead one product to have multiple purposes, thus improving the cost performance of the product.
Description
Technical field
The utility model relates to electrical equipment manufacturing technology field, is specifically related to the totally-enclosed voltage transformer of a kind of multipurpose.
Background technology
At present, employed voltage transformer is conventional voltage transformer in the electrical network, and 100V or 57.74V signal only are provided, and use can be measured and measure to power supply.A lot of users press in actual use and a kind ofly can provide the voltage transformer of 220V or 400V or other voltage sources when above metering, measuring voltage normally are provided.Like this, in also not energising of transformer, when can not obtain power supply such as 220V or 400V, can obtain power supplys such as 220V or 400V from voltage transformer, to offer uses such as loaded switch, no-load motor switch, high-tension switch cabinet high pressure combined floodgate from the transformer low voltage output.
The utility model content
Technical problem to be solved in the utility model is: how to provide a kind of multipurpose totally-enclosed voltage transformer, the totally-enclosed voltage transformer of this multipurpose is in order to solve the deficiency that employed voltage transformer in use exists in the existing network system, be designed to three circle or four coil winding structures, export so that the output of 1 to 2 group of 100V voltage and 1 group of 220V or 400V power supply to be provided; And increased net sectional area unshakable in one's determination, improved laminate patch coefficient unshakable in one's determination, effectively reduced the operation magnetic flux density; Simultaneously, the rectangle coiling that adopts unshakable in one's determination designs, and shortens iron circuit, reduces seam unshakable in one's determination, reduces overall losses unshakable in one's determination, guarantees the utility model output accuracy height; The bigger wire gauge of sectional area is adopted in design, reduces running current density, thereby reduces line loss, further guarantees the output accuracy height; Simultaneously, this kind design has improved dynamic thermal stability of the present utility model, strengthens anti-short circuit capability, has increased power output.
For achieving the above object, the technical scheme that the utility model adopted is: provide a kind of multipurpose totally-enclosed voltage transformer, it is characterized in that: comprise cast housing, post insulator and secondary outlet board; Described cast housing is to form the totally-enclosed structure by the epoxy resin disposal pouring; Described cast housing top is provided with the post insulator that is used to import high pressure, and post insulator adopts the poured with epoxy resin moulding; Described cast housing side is provided with the secondary outlet board that is used to derive low pressure, and the secondary outlet board is provided with the outlet terminal that connects external cabling; Also be provided with on the described secondary outlet board by the fastening anti-theft protection lid of holding screw; Described secondary outlet board below is provided with regulates installation dimension to adapt to the mounting panel of different installation requirements, through inserts is installed laminar winding and rectangular core is installed on the mounting panel; Described laminar winding directly is wound on the rectangular core and by fixture and is fixed on moulding by casting on the casting mold; Independently winding construction coiling is adopted in the high-pressure side of the totally-enclosed voltage transformer of described multipurpose, and low-pressure side adopts the winding construction coiling independent of each other of at least two groups; Described on high-tension side winding is provided with one group of high pressure winding lead-out wire, and the winding of low-pressure side is provided with at least two group low pressure winding lead-out wires; Described post insulator is connected via high pressure winding lead-out wire high pressure winding, and outlet terminal is connected with each group low pressure winding respectively via low pressure winding lead-out wire.
In sum, the totally-enclosed voltage transformer of multipurpose provided by the utility model has been compared following advantage with the conventional voltage instrument transformer:
1, volume is little, in light weight, is convenient to install.The utility model adopts three circle or four coil winding structures, amplifies effective cross-section unshakable in one's determination, improves the laminate patch coefficient, the optimized integral structure design.Global design is a poured with epoxy resin, compact conformation, and totally-enclosed makes volume small and exquisite, and is in light weight, and the expansion mounting panel is provided, and is convenient to install.
2, in measurement winding operate as normal, provide 220V or 400V power supply to use, make things convenient for the user greatly, solve user's active demand, make a product have a plurality of purposes, improve cost performance of product for mini-plant.
3, dynamic and thermal stability height, temperature rise is low, the precision height.The utility model adopts the design of rectangle wound core, and wire gauge is designed to the big wire gauge in cross section simultaneously, guarantees that the utility model has high accuracy and high dynamic and thermal stability performance, and the operation temperature rise is low.
Accompanying drawing and explanation thereof
Fig. 1 is the vertical view of the totally-enclosed voltage transformer of multipurpose provided by the utility model;
Fig. 2 is the front view of the totally-enclosed voltage transformer of multipurpose provided by the utility model;
Fig. 3 is the end view of the internal structure of the totally-enclosed voltage transformer of multipurpose;
Fig. 4 is the internal structure front view of the totally-enclosed voltage transformer of multipurpose;
Fig. 5 is the inside schematic diagram of the totally-enclosed voltage transformer of multipurpose.
Wherein, 1, cast housing; 2, post insulator; 3, outlet terminal; 4, holding screw; 5, secondary outlet board; 6, mounting panel; 7, rectangular core; 8, laminar winding; 9, fixture; 10, inserts is installed; 11, the lead-out wire of high pressure winding; 12, each winding lead-out wire of low pressure.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
As shown in the figure, the totally-enclosed voltage transformer of this multipurpose comprises cast housing 1, post insulator 2 and secondary outlet board 5; Described cast housing 1 is to form the totally-enclosed structure by the epoxy resin disposal pouring; Described cast housing 1 top is provided with the post insulator 2 that is used to import high pressure, and post insulator 2 adopts the poured with epoxy resin moulding; Described cast housing 1 side is provided with the secondary outlet board 5 that is used to derive low pressure, and secondary outlet board 5 is provided with the outlet terminal 3 that connects external cabling; Also be provided with on the described secondary outlet board 5 by holding screw 4 fastening anti-theft protections and cover; Described secondary outlet board 5 belows are provided with regulates the mounting panel 6 of installation dimension to adapt to different installation requirements, through inserts 10 is installed laminar winding 8 and rectangular core 7 is installed on the mounting panel 6; Described laminar winding 8 directly is wound on the rectangular core 7 and by fixture 9 and is fixed on moulding by casting on the casting mold; Independently winding construction coiling is adopted in the high-pressure side of the totally-enclosed voltage transformer of described multipurpose, and low-pressure side adopts the winding construction coiling independent of each other of at least two groups; Described on high-tension side winding is provided with one group of high pressure winding lead-out wire 11, and the winding of low-pressure side is provided with at least two group low pressure winding lead-out wires 12; Described post insulator 2 is connected via high pressure winding lead-out wire 11 high pressure windings, and outlet terminal 3 is connected with each group low pressure winding respectively via low pressure winding lead-out wire 12.
The utility model integral body forms the totally-enclosed structure by the poured with epoxy resin disposal molding.Whole internal structure is cast in epoxy resin inside fully, and humidity resistance is good, the overall mechanical strength height.
The utility model high pressure lead-in portion adopts the post insulator 2 of poured with epoxy resin moulding, and low-pressure section is drawn from secondary outlet board 5, and external cabling is picked out by corresponding outlet terminal 3; Simultaneously on secondary outlet board 5 design and installation the anti-theft protection lid, the anti-theft protection lid is fastening by holding screw 4, and adds the lead sealing protection after installation.The utility model integral body can be regulated installation dimension by expansion mounting panel 6, to adapt to different installation requirements.
The utility model basic principle is to adopt three circle or four coil winding structures, and figure five is depicted as three coil structures.High pressure adopts independently winding construction coiling, and corresponding 2 to 3 windings also adopt independently winding construction respectively, then each winding lead-out wire 12 of lead-out wire 11 and low pressure of high pressure winding is drawn out to the output inserts respectively and is connected.This use new internal is that the laminar winding 8 of one directly is wound in rectangular core 7 by coiling, whole ironcore choke device body is fixed on moulding by casting on the casting mold by fixture 9, and the moulding pour mass is installed to mounting panel or directly inserts 10 installation dimension as a whole should be installed by inserts 10 is installed again.
But; the above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection range of the utility model claim.
Claims (1)
1. the totally-enclosed voltage transformer of multipurpose is characterized in that: comprise cast housing (1), post insulator (2) and secondary outlet board (5); Described cast housing (1) is to form the totally-enclosed structure by the epoxy resin disposal pouring; Described cast housing (1) top is provided with the post insulator (2) that is used to import high pressure, and post insulator (2) adopts the poured with epoxy resin moulding; Described cast housing (1) side is provided with the secondary outlet board (5) that is used to derive low pressure, and secondary outlet board (5) is provided with the outlet terminal (3) that connects external cabling; Also be provided with on the described secondary outlet board (5) by the fastening anti-theft protection lid of holding screw (4); Described secondary outlet board (5) below is provided with regulates the mounting panel (6) of installation dimension to adapt to different installation requirements, and mounting panel (6) is gone up through inserts (10) is installed laminar winding (8) and rectangular core (7) are installed; Described laminar winding (8) directly is wound in rectangular core (7) and upward and by fixture (9) is fixed on moulding by casting on the casting mold; Independently winding construction coiling is adopted in the high-pressure side of the totally-enclosed voltage transformer of described multipurpose, and low-pressure side adopts the winding construction coiling independent of each other of at least two groups; Described on high-tension side winding is provided with one group of high pressure winding lead-out wire (11), and the winding of low-pressure side is provided with at least two group low pressure winding lead-out wires (12); Described post insulator (2) is connected via high pressure winding lead-out wire (11) high pressure winding, and outlet terminal (3) is connected with each group low pressure winding respectively via low pressure winding lead-out wire (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009201692875U CN201489989U (en) | 2009-08-21 | 2009-08-21 | Multi-purpose totally closed voltage transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009201692875U CN201489989U (en) | 2009-08-21 | 2009-08-21 | Multi-purpose totally closed voltage transformer |
Publications (1)
Publication Number | Publication Date |
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CN201489989U true CN201489989U (en) | 2010-05-26 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2009201692875U Expired - Fee Related CN201489989U (en) | 2009-08-21 | 2009-08-21 | Multi-purpose totally closed voltage transformer |
Country Status (1)
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CN (1) | CN201489989U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107768123A (en) * | 2017-10-23 | 2018-03-06 | 湖北霞光电力设备有限公司 | A kind of intelligent power-off protection electromagnetic potential transformer |
CN109378201A (en) * | 2018-11-23 | 2019-02-22 | 厦门大互科技有限公司 | The current transformer of 35kV or less an epoxy resin pouring tap of band |
-
2009
- 2009-08-21 CN CN2009201692875U patent/CN201489989U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107768123A (en) * | 2017-10-23 | 2018-03-06 | 湖北霞光电力设备有限公司 | A kind of intelligent power-off protection electromagnetic potential transformer |
CN109378201A (en) * | 2018-11-23 | 2019-02-22 | 厦门大互科技有限公司 | The current transformer of 35kV or less an epoxy resin pouring tap of band |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20150821 |
|
EXPY | Termination of patent right or utility model |