CN102254716A - High-pressure switch permanent magnet operation mechanism with pull characteristic adjustability - Google Patents

High-pressure switch permanent magnet operation mechanism with pull characteristic adjustability Download PDF

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Publication number
CN102254716A
CN102254716A CN2011101977208A CN201110197720A CN102254716A CN 102254716 A CN102254716 A CN 102254716A CN 2011101977208 A CN2011101977208 A CN 2011101977208A CN 201110197720 A CN201110197720 A CN 201110197720A CN 102254716 A CN102254716 A CN 102254716A
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CN
China
Prior art keywords
iron core
special
permanent magnet
moving iron
machine barrel
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.)
Pending
Application number
CN2011101977208A
Other languages
Chinese (zh)
Inventor
王帮田
张�杰
姜亚军
孙鹏程
郭大庆
洪文芳
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.)
Xuji Group Co Ltd
XJ Electric Co Ltd
Original Assignee
Xuji Group Co Ltd
XJ Electric 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 Xuji Group Co Ltd, XJ Electric Co Ltd filed Critical Xuji Group Co Ltd
Priority to CN2011101977208A priority Critical patent/CN102254716A/en
Publication of CN102254716A publication Critical patent/CN102254716A/en
Priority to PCT/CN2012/000950 priority patent/WO2013010378A1/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/28—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/38—Power arrangements internal to the switch for operating the driving mechanism using electromagnet

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)

Abstract

The invention discloses a high-pressure switch permanent magnet operation mechanism with pull characteristic adjustability, comprising a cylinder, a magnetic sleeve, a coil and a permanent magnet, wherein the magnetic sleeve and the coil are arranged in the cylinder; the permanent magnet is arranged between the magnetic sleeve and the cylinder; a magnetic yoke and an end cover are respectively arranged on the upper end and the lower end of the cylinder; a special-shaped movable iron core is arranged in the cylinder; a groove or a boss is arranged on the outer wall of the special-shaped movable iron core; the distribution of the magnetic field is changed through changing the shape of the outer wall of the special-shaped movable iron core so that the purpose of changing the pull characteristic is achieved; and when the special-shaped movable iron core moves to a certain stroke, the distribution of the magnetic field is changed through the groove or the boss so that the pull characteristic of the special-shaped movable iron core is changed. The high-pressure switch permanent magnet operation mechanism is exquisite and practical in structure, is convenient to adjust and easy to control, can meet the characteristic demands of different high-pressure switches, is convenient for optimized design and has good universality.

Description

A kind of high-voltage switch gear permanent-magnet operating mechanism of scalable pull characteristics
Technical field
The invention belongs to the electric power system high voltage switchgear, particularly a kind of high-voltage switch gear permanent-magnet operating mechanism of scalable pull characteristics.
Background technology
At present, known high-voltage switch gear permanent-magnet operating mechanism changes pull characteristics by changing moving area of core section or changing the method for moving the end face of iron core shape, there is following shortcoming in these two kinds of methods: 1, by changing the method that moving area of core section changes pull characteristics, it can cause closing retention force and on/off switch speed regulation difficulty; 2, by changing the method that moving end face of iron core shape changes pull characteristics, it can not make control flexibly to the pull characteristics of certain section stroke in the on/off switch process.
The deficiency of above-mentioned existing structure has caused pull characteristics to adjust inconvenience, wayward.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure, high-voltage switch gear permanent-magnet operating mechanism of being convenient to control flexibly pull characteristics.
For achieving the above object, technical scheme of the present invention is: a kind of high-voltage switch gear permanent-magnet operating mechanism of scalable pull characteristics, comprise machine barrel, magnetosheath, coil and permanent magnet, magnetosheath and coil are arranged in the machine barrel, permanent magnet is located between magnetosheath and the machine barrel, the machine barrel upper/lower terminal is separately installed with yoke and end cap, is provided with special-shaped moving iron core in the described machine barrel.
The moving iron core of described abnormal shape is a cylindrical barrel, offers groove on the cylinder body outer wall.
The moving iron core of described abnormal shape is a cylindrical barrel, and cylinder body outer wall is provided with boss.
The quantity of described groove is at least one.
The quantity of described boss is at least one.
Compared with prior art, advantage of the present invention is: the present invention includes machine barrel, magnetosheath, coil and permanent magnet, magnetosheath and coil are arranged in the machine barrel, permanent magnet is located between magnetosheath and the machine barrel, on the machine barrel, following two ends are separately installed with yoke and end cap, be provided with special-shaped moving iron core in the machine barrel, special-shaped moving iron core outer wall is provided with groove or boss, change DISTRIBUTION OF MAGNETIC FIELD by changing special-shaped moving iron core outer wall shape, thereby reach the purpose that changes pull characteristics, when the moving iron core of abnormal shape moves to certain one stroke place, change Distribution of Magnetic Field by groove or boss, to change the pull characteristics of special-shaped moving iron core, this delicate structure practicality is convenient to adjust, be easy to control, can adapt to the characteristic demand of different high-voltage switch gears, be convenient to optimal design, also have good versatility.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the structural representation of special-shaped moving iron core among Fig. 1;
Fig. 3 is the structural representation of special-shaped moving iron core in the embodiment of the invention 2;
Fig. 4 is the structural representation of special-shaped moving iron core in the embodiment of the invention 3;
Fig. 5 is the structural representation of special-shaped moving iron core in the embodiment of the invention 4;
Fig. 6 is the structural representation of special-shaped moving iron core in the embodiment of the invention 5.
Embodiment
Embodiment 1, the high-voltage switch gear permanent-magnet operating mechanism of scalable pull characteristics as shown in Figure 1 and Figure 2, it comprises machine barrel 6, magnetosheath 3, coil 2 and permanent magnet 4, the upper/lower terminal of machine barrel 6 is separately installed with yoke 1 and end cap 5, magnetosheath 3 and coil 2 are arranged in the machine barrel 6, and permanent magnet 4 is located between magnetosheath 3 and the machine barrel 6.Be provided with special-shaped moving iron core 7 by push rod 8 in machine barrel 6, the moving iron core 7 of described abnormal shape is a cylindrical barrel, offers a groove 71 on the cylinder body outer wall, and groove 71 cross sections are square.
Embodiment 2, the high-voltage switch gear permanent-magnet operating mechanism of scalable pull characteristics as shown in Figure 3, and the difference of itself and embodiment 1 is: groove 72 cross sections on special-shaped moving iron core 7 outer walls are triangle.
Embodiment 3, the high-voltage switch gear permanent-magnet operating mechanism of scalable pull characteristics as shown in Figure 4, and the difference of itself and embodiment 1 is: the quantity of the groove 73 on special-shaped moving iron core 7 outer walls is two, and two grooves 73 are between the upper and lower every setting.
Embodiment 4, the high-voltage switch gear permanent-magnet operating mechanism of scalable pull characteristics as shown in Figure 5, and the difference of itself and embodiment 3 is: two groove 74 cross sections on special-shaped moving iron core 7 outer walls are respectively semicircle and triangle.
Embodiment 5, the high-voltage switch gear permanent-magnet operating mechanism of scalable pull characteristics as shown in Figure 6, and the difference of itself and embodiment 1 is: special-shaped moving iron core 7 outer walls are provided with boss 75, and boss 75 cross sections are square.
The present invention changes DISTRIBUTION OF MAGNETIC FIELD by changing special-shaped moving iron core 7 outer wall shapes, thereby reaches the purpose that changes pull characteristics, can establish groove or boss on the outer wall of the moving iron core 7 of abnormal shape according to different pull characteristics demands.
In the present embodiment, when the moving iron core 7 of abnormal shape moves to certain one stroke place, change Distribution of Magnetic Field, to change the pull characteristics of special-shaped moving iron core 7 by groove or boss.Size, shape and the quantity of special-shaped moving iron core 7 outer wall upper grooves or boss are relevant with desired pull characteristics.

Claims (5)

1. the high-voltage switch gear permanent-magnet operating mechanism of scalable pull characteristics, comprise machine barrel, magnetosheath, coil and permanent magnet, magnetosheath and coil are arranged in the machine barrel, permanent magnet is located between magnetosheath and the machine barrel, the machine barrel upper/lower terminal is separately installed with yoke and end cap, it is characterized in that, be provided with special-shaped moving iron core in the described machine barrel.
2. the high-voltage switch gear permanent-magnet operating mechanism of scalable pull characteristics as claimed in claim 1 is characterized in that, the moving iron core of described abnormal shape is a cylindrical barrel, offers groove on the cylinder body outer wall.
3. the high-voltage switch gear permanent-magnet operating mechanism of scalable pull characteristics as claimed in claim 1 is characterized in that, the moving iron core of described abnormal shape is a cylindrical barrel, and cylinder body outer wall is provided with boss.
4. the high-voltage switch gear permanent-magnet operating mechanism of scalable pull characteristics as claimed in claim 2 is characterized in that, the quantity of described groove is at least one.
5. the high-voltage switch gear permanent-magnet operating mechanism of scalable pull characteristics as claimed in claim 3 is characterized in that, the quantity of described boss is at least one.
CN2011101977208A 2011-07-15 2011-07-15 High-pressure switch permanent magnet operation mechanism with pull characteristic adjustability Pending CN102254716A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2011101977208A CN102254716A (en) 2011-07-15 2011-07-15 High-pressure switch permanent magnet operation mechanism with pull characteristic adjustability
PCT/CN2012/000950 WO2013010378A1 (en) 2011-07-15 2012-07-12 High-voltage switch permanent magnet operating mechanism with adjustable attractive force characteristic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011101977208A CN102254716A (en) 2011-07-15 2011-07-15 High-pressure switch permanent magnet operation mechanism with pull characteristic adjustability

Publications (1)

Publication Number Publication Date
CN102254716A true CN102254716A (en) 2011-11-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011101977208A Pending CN102254716A (en) 2011-07-15 2011-07-15 High-pressure switch permanent magnet operation mechanism with pull characteristic adjustability

Country Status (2)

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CN (1) CN102254716A (en)
WO (1) WO2013010378A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013010378A1 (en) * 2011-07-15 2013-01-24 许继集团有限公司 High-voltage switch permanent magnet operating mechanism with adjustable attractive force characteristic
CN104409236A (en) * 2014-05-15 2015-03-11 苏艳刚 A retaining force adjustable parallel permanent magnetic actuator
CN106847570A (en) * 2016-12-31 2017-06-13 浙江宝威电气有限公司 A kind of stable permanent magnet mechanism
CN106847571A (en) * 2016-12-31 2017-06-13 浙江宝威电气有限公司 A kind of novel permanent magnetic mechanism

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5280447U (en) * 1975-12-15 1977-06-15
JPS5763721A (en) * 1980-10-07 1982-04-17 Tokyo Shibaura Electric Co Solenoid operating device
CN2519991Y (en) * 2001-11-20 2002-11-06 沈阳工业大学 Single coil and monostable permanent executing mechanism
CN201029076Y (en) * 2007-03-20 2008-02-27 吴纪顺 Driving mechanism
CN101345167A (en) * 2008-05-08 2009-01-14 中国电力科学研究院 Method and apparatus for improving dynamic response ability of coil magnetic field to moving iron core
CN202142463U (en) * 2011-07-15 2012-02-08 许继集团有限公司 High voltage switch permanent magnetic operating mechanism capable of adjusting suction characteristic

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003151826A (en) * 2001-11-19 2003-05-23 Hitachi Ltd Electromagnet and open/close device
CN2702435Y (en) * 2004-03-30 2005-05-25 扬中市中金电器设备有限公司 A bistable operating mechanism for permanent-magnet type contactor
CN2874743Y (en) * 2005-11-08 2007-02-28 张佩军 Electromagnetic operation permanent magnet keeping operation mechanism
CN102254716A (en) * 2011-07-15 2011-11-23 许继集团有限公司 High-pressure switch permanent magnet operation mechanism with pull characteristic adjustability

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5280447U (en) * 1975-12-15 1977-06-15
JPS5763721A (en) * 1980-10-07 1982-04-17 Tokyo Shibaura Electric Co Solenoid operating device
CN2519991Y (en) * 2001-11-20 2002-11-06 沈阳工业大学 Single coil and monostable permanent executing mechanism
CN201029076Y (en) * 2007-03-20 2008-02-27 吴纪顺 Driving mechanism
CN101345167A (en) * 2008-05-08 2009-01-14 中国电力科学研究院 Method and apparatus for improving dynamic response ability of coil magnetic field to moving iron core
CN202142463U (en) * 2011-07-15 2012-02-08 许继集团有限公司 High voltage switch permanent magnetic operating mechanism capable of adjusting suction characteristic

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013010378A1 (en) * 2011-07-15 2013-01-24 许继集团有限公司 High-voltage switch permanent magnet operating mechanism with adjustable attractive force characteristic
CN104409236A (en) * 2014-05-15 2015-03-11 苏艳刚 A retaining force adjustable parallel permanent magnetic actuator
CN106847570A (en) * 2016-12-31 2017-06-13 浙江宝威电气有限公司 A kind of stable permanent magnet mechanism
CN106847571A (en) * 2016-12-31 2017-06-13 浙江宝威电气有限公司 A kind of novel permanent magnetic mechanism

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Application publication date: 20111123