CN201601013U - Voltage transformer and shielding case thereof - Google Patents

Voltage transformer and shielding case thereof Download PDF

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Publication number
CN201601013U
CN201601013U CN2009203159531U CN200920315953U CN201601013U CN 201601013 U CN201601013 U CN 201601013U CN 2009203159531 U CN2009203159531 U CN 2009203159531U CN 200920315953 U CN200920315953 U CN 200920315953U CN 201601013 U CN201601013 U CN 201601013U
Authority
CN
China
Prior art keywords
circular arc
radome
shielding case
voltage transformer
assemblies
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.)
Expired - Fee Related
Application number
CN2009203159531U
Other languages
Chinese (zh)
Inventor
李阳
王红庆
张超军
苏永华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan high General Electric Co., Ltd.
Pinggao Group Co Ltd
Original Assignee
Pinggao Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pinggao Group Co Ltd filed Critical Pinggao Group Co Ltd
Priority to CN2009203159531U priority Critical patent/CN201601013U/en
Application granted granted Critical
Publication of CN201601013U publication Critical patent/CN201601013U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a voltage transformer and a shielding case nested on the outer circumferential surface of a primary winding thereof; the shielding case is composed of two circular arc-shaped tubular components enclosed to form an annular structure, ends of the two circular arc-shaped tubular components are fixedly connected with each other through an insulating board, the other ends of the two circular arc-shaped tubular components are fixedly connected with each other through connecting plates radially fixed on the end parts so that the shielding case is wrapped and fixed on the outer circumferential surface of the primary winding. By adopting the technical proposal, the shielding case is divided into two mutually-connected components, the support fastening mode employing more than three adjusting bolts in prior art is changed to the fastening mode that only one bolt fixed connection is maintained, and the connecting position of the insulating board on the shielding case is in the lower part instead of the upper part; thereby, the machining and assembly difficulty of the voltage transformer shielding case are reduced on the premise that good uniform electric field and impact characteristics of the shielding case are ensured, meanwhile the labor cost is reduced and the work efficiency is improved.

Description

A kind of voltage transformer and radome thereof
Technical field
The utility model belongs to the High-Voltage Electrical Appliances field, and definite saying so relates to matching used radome in a kind of voltage transformer and this voltage transformer.
Background technology
The applicant is that 200820220406.0 Chinese utility model patent specification discloses a kind of voltage transformer with radome in the patent No. of on October 27th, 2008 application, this voltage transformer as shown in Figure 1 and Figure 2, it is the radome 12 that the tubular structure that its radial section seals ringwise has been installed on the outer circumference surface of a winding 11, to guarantee good homogeneous Electric Field Characteristics and impact characteristics.This radome 12 is the loop configuration of one and is sleeved on the outer circumference surface of primary winding coils 11, offer an opening 13 on the radome, connect by insulation board 14 between opening, are radome 12 a upper edges winding 11 outer circumference surface branches 120? evenly be coated with three and adjust screw 15, each adjust screw 15 roof pressures on the outer circumference surface of a winding 11 in order to adjusting the concentricity of a radome and a winding, the radome in the existing as can be seen in sum voltage transformer exists complex structure, processing, defective that installation difficulty is big.
The utility model content
The purpose of this utility model provides a kind of voltage transformer simple in structure, easy for installation and supporting radome thereof.
The technical solution of the utility model is: a kind of voltage transformer, on the outer circumference surface of its winding, be set with radome, the cross section of this radome is the hollow tubular body structure, described radome is made up of two circular arc assemblies that surround loop configuration, one end of two circular arc assemblies is connected by insulation board, the other end of two circular arc assemblies is fixed on the outer circumference surface of a winding thereby radome is held tightly by being convexly set in removable being connected of connecting plate on its end outer circumference surface respectively.
Two ends of described two circular arc assemblies are fixed with the plug that is used for the closed end mouth of pipe respectively.
Described two connecting plates along on the plug that radially is fixed on two circular arc assembly corresponding end of a winding, also offer the connecting hole that is used for line on the connecting plate therein respectively.
The end that described two circular arc assemblies are connected by insulation board is positioned at the below of primary winding coils.
Be connected by connecting bolt between described two connecting plates.
A kind of radome, it is characterized in that, described radome is made up of two circular arc hollow tubular body assemblies that surround loop configuration, one end of two circular arc assemblies is connected by insulation board, the other end of two circular arc assemblies is fixed on the outer circumference surface of a winding thereby radome is held tightly by being convexly set in removable being connected of connecting plate on its end outer circumference surface respectively.
Two ends of described two circular arc assemblies are fixed with the plug that is used for the closed end mouth of pipe respectively.
Described two connecting plates along on the plug that radially is fixed on two circular arc assembly corresponding end of a winding, also offer the connecting hole that is used for line on the connecting plate therein respectively.
Be connected by connecting bolt between described two connecting plates.
The utility model adopts technique scheme, it is divided into radome two interconnective assemblies, regulates bolt roof pressure fastening means with three and change that place's bolt is connected, the link position of radome upper insulation plate is changed into the bottom by top into existing, make the voltage transformer radome under the prerequisite that guarantees good homogeneous Electric Field Characteristics and impact characteristics, reduce the difficulty of processing, assembling, save labor cost, improved efficiency.
Description of drawings
Fig. 1 is the structural representation of voltage transformer;
Fig. 2 is the structural representation of existing radome;
Fig. 3 is the structural representation of the utility model radome;
Fig. 4 is the A portion enlarged drawing among Fig. 3;
Fig. 5 is the B portion enlarged drawing among Fig. 3.
Embodiment
As Fig. 1, Fig. 3, Fig. 4, shown in Figure 5, be sleeved on the radome 12 on winding 11 outer circumference surfaces in the voltage transformer of the present utility model and be made up of two circular arc tubular assemblies 101,102 that surround loop configuration, the port part at two circular arc assemblies, 101,102 two ends is welded with plug 110,111 respectively.Two circular arc assemblies 101,102 are to fashionable, the two ends of its two circular arc assembly lay respectively at the upper and lower of a winding, wherein on the plug 110,111 of the corresponding end that is positioned at two circular arc assemblies 101,102 below the primary winding, offer a through hole respectively, be equipped with an insulation board 108 between the two through hole, the two ends of insulation board 108 are connected on the lateral wall of two circular arc assemblies 101,102 by screw 107 respectively; Two circular arc assemblies 101,102 are positioned on the plug of two corresponding end of winding top respectively and radially are welded with connecting plate 103,104 along a winding, offer open-work on one of them of two connecting plates 103,104, offer screwed hole on another connecting plate, two connecting plates 103,104 are connected by the connecting bolt 106 that is installed in open-work and the screwed hole; Also offer the connecting hole 105 that is used for line on the connecting plate therein, in the present embodiment, this connecting hole is opened on the connecting plate 104.
During installation, be connected by the end of insulation board 108 earlier two circular arc assemblies 101,102, by connecting bolt 106 other end of two circular arc assemblies 101,102 being connected then holds on the outer circumference surface that is fixed on a winding 11 two circular arc assemblies 101,102 tightly, thereby the radome that makes a winding of voltage transformer is easier for installation and simple in structure, it is easy to make, and can increase substantially the efficiency of assembling of voltage transformer.

Claims (9)

1. voltage transformer, on the outer circumference surface of its winding, be set with radome, the cross section of this radome is the hollow tubular body structure, it is characterized in that, described radome is made up of two circular arc assemblies that surround loop configuration, one end of two circular arc assemblies is connected by insulation board, and the other end of two circular arc assemblies is fixed on the outer circumference surface of a winding thereby radome is held tightly by being convexly set in removable being connected of connecting plate on its end outer circumference surface respectively.
2. voltage transformer according to claim 1 is characterized in that, two ends of described two circular arc assemblies are fixed with the plug that is used for the closed end mouth of pipe respectively.
3. voltage transformer according to claim 2 is characterized in that, described two connecting plates along on the plug that radially is fixed on two circular arc assembly corresponding end of a winding, also offer the connecting hole that is used for line on the connecting plate therein respectively.
4. voltage transformer according to claim 1 is characterized in that, the end that described two circular arc assemblies are connected by insulation board is positioned at the below of primary winding coils
5. voltage transformer according to claim 1 is characterized in that, is connected by connecting bolt between described two connecting plates.
6. radome, it is characterized in that, described radome is made up of two circular arc hollow tubular body assemblies that surround loop configuration, one end of two circular arc assemblies is connected by insulation board, the other end of two circular arc assemblies is fixed on the outer circumference surface of a winding thereby radome is held tightly by being convexly set in removable being connected of connecting plate on its end outer circumference surface respectively.
7. radome according to claim 6 is characterized in that, two ends of described two circular arc assemblies are fixed with the plug that is used for the closed end mouth of pipe respectively.
8. radome according to claim 7 is characterized in that, described two connecting plates along on the plug that radially is fixed on two circular arc assembly corresponding end of a winding, also offer the connecting hole that is used for line on the connecting plate therein respectively.
9. radome according to claim 6 is characterized in that, is connected by connecting bolt between described two connecting plates.
CN2009203159531U 2009-11-26 2009-11-26 Voltage transformer and shielding case thereof Expired - Fee Related CN201601013U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009203159531U CN201601013U (en) 2009-11-26 2009-11-26 Voltage transformer and shielding case thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009203159531U CN201601013U (en) 2009-11-26 2009-11-26 Voltage transformer and shielding case thereof

Publications (1)

Publication Number Publication Date
CN201601013U true CN201601013U (en) 2010-10-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009203159531U Expired - Fee Related CN201601013U (en) 2009-11-26 2009-11-26 Voltage transformer and shielding case thereof

Country Status (1)

Country Link
CN (1) CN201601013U (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103065782A (en) * 2011-10-24 2013-04-24 上海电器股份有限公司人民电器厂 Zero sequence current mutual inductor
CN104144600A (en) * 2013-08-19 2014-11-12 国家电网公司 Shielding ring, shielding structure and poured voltage transformer
CN105225816A (en) * 2015-10-21 2016-01-06 中国电力科学研究院 A kind of current transformer with high voltage standard capacitor function
CN105513771A (en) * 2015-12-15 2016-04-20 国网北京市电力公司 Voltage balancing device of electric reactor
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
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
CN110619998A (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
CN110619997A (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
CN112992477A (en) * 2021-02-05 2021-06-18 广州市蓝粉网络科技有限公司 Integrated into one piece's inductor

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103065782A (en) * 2011-10-24 2013-04-24 上海电器股份有限公司人民电器厂 Zero sequence current mutual inductor
CN103065782B (en) * 2011-10-24 2016-05-18 上海电器股份有限公司人民电器厂 A kind of zero sequence current mutual inductor
CN104144600A (en) * 2013-08-19 2014-11-12 国家电网公司 Shielding ring, shielding structure and poured voltage transformer
CN104144600B (en) * 2013-08-19 2017-12-08 国家电网公司 A kind of shading ring and shielding construction and casting type voltage mutual inductor
CN105225816A (en) * 2015-10-21 2016-01-06 中国电力科学研究院 A kind of current transformer with high voltage standard capacitor function
CN105513771A (en) * 2015-12-15 2016-04-20 国网北京市电力公司 Voltage balancing device of electric reactor
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
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
CN110619998A (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
CN110619997A (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
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
CN110619997B (en) * 2019-07-08 2020-11-20 河南平高电气股份有限公司 Voltage transformer and shielding case thereof
CN112992477A (en) * 2021-02-05 2021-06-18 广州市蓝粉网络科技有限公司 Integrated into one piece's inductor

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20151225

Address after: South East of Pingdingshan city in Henan province 467001 No. 22

Patentee after: Pinggao Group Co., Ltd.

Patentee after: Henan high General Electric Co., Ltd.

Address before: South East of Pingdingshan city in Henan province 467001 No. 22

Patentee before: Pinggao Group Co., Ltd.

C41 Transfer of patent application or patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101006

Termination date: 20171126

CF01 Termination of patent right due to non-payment of annual fee