CN201392767Y - Permanent magnet high-current vacuum contactor - Google Patents
Permanent magnet high-current vacuum contactor Download PDFInfo
- Publication number
- CN201392767Y CN201392767Y CN200920040437U CN200920040437U CN201392767Y CN 201392767 Y CN201392767 Y CN 201392767Y CN 200920040437 U CN200920040437 U CN 200920040437U CN 200920040437 U CN200920040437 U CN 200920040437U CN 201392767 Y CN201392767 Y CN 201392767Y
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- moving
- open
- vacuum contactor
- permanent magnet
- monostable
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Abstract
The utility model relates to a permanent magnet high-current vacuum contactor; a movable conducting rod is arranged in a vacuum switch tube of the permanent magnet high-current vacuum contactor, the lower end of the movable conducting rod extends out of the lower end of the vacuum switch tube and is connected with a pull rod, the head part of the pull rod is connected with the upper end of an open-close crank arm, the lower end of the open-close crank arm is connected with one end of an open-close plate, the other end of the open-close plate is connected with a monostable permanent magnet mechanism, an opening spring and an auxiliary switch; the monostable permanent magnet mechanism, the opening spring and the auxiliary switch are fixed on a bracket, the auxiliary switch is electrically connected with a monostable power supply module. As the utility model adopts monostable permanent magnet mechanism and the power supply module, the open-close states of the vacuum contactor can be changed by only an electromagnetic pulse, the open-close time is short and the open-close operation is fast, the permanent magnet high-current vacuum contactor can be widely applicable to situations requiring rapid open-close switching and frequency open-close operation; when the vacuum contactor is closed, the closed state of the contactor is maintained by permanent magnetic force without power consumption so that the permanent magnet high-current vacuum contactor is a new product which is environmental protection and energy saving.
Description
Technical field
The utility model relates to the big electric current one pole of a kind of permanent magnetism/three utmost point vacuum contactors, specifically a kind of be applicable to quick divide-shut brake and frequent operation, rated operational voltage is that 2000V and following and rated operational current are the vacuum contactor (comprising one pole, bipolar or three utmost points) that 800A～1600A occasion is used.
Background technology
In the prior art, rated voltage is that 2000V and big current vacuum contactor following, that rated current is 800A～1600A all are to adopt traditional electromagnetic operating mechanism, its shortcoming is that branch wire time is long, speed is slow, just can not use in the occasion that requires quick divide-shut brake; And after vacuum contactor closed a floodgate, solenoid still will be switched on for a long time and is in "on" position to keep it, so not only can cause the coil power consumption, and can cause easily heating and burning of coil.
Summary of the invention
The utility model is at the problems referred to above, provide quick divide-shut brake of a kind of energy and frequent operation, the big current vacuum contactor of reliable quality permanent magnetism, its rated voltage is that 2000V and following, rated current are 800A～1600A.
According to the technical solution of the utility model: the big current vacuum contactor of a kind of permanent magnetism, in the vacuum switch tube of the big current vacuum contactor of permanent magnetism, be provided with moving conductive rod, the lower end of described vacuum switch tube is stretched out in the lower end of described moving conductive rod, and at the lower end of described moving conductive rod cylinder lever connecting rod, the head of pull bar is connected the upper end of deciliter connecting lever, the lower end of deciliter connecting lever is connected with an end that divides plywood, the other end of described minute plywood is connected with Monostable permanent magnetic mechanism, tripping spring and auxiliary switch, Monostable permanent magnetic mechanism, tripping spring and auxiliary switch are fixed on the support, and auxiliary switch is electrically connected with the monostable power module.
Described Monostable permanent magnetic mechanism comprises the base that is fixed on the support, is disposed with permanent magnet, static iron core and moving iron core on the described base, and moving iron core links to each other with the branch plywood by screw rod, and unicoil is positioned at the outside of moving iron core and static iron core.Be with moving terminal block on the described moving conductive rod, moving terminal block is arranged with the moving conductive on being fixed on Insulating frame by flexible conductor and is connected.The upper end of described moving conductive rod is provided with moving contact, and moving contact contacts with fixed contact, is provided with static conductive rod on fixed contact, and described static conductive rod stretches out from the top of vacuum switch tube, is connected with quiet line bank on being fixed on Insulating frame.Be with touch spring on the described pull bar, an end of touch spring contacts with moving terminal block, and its other end contacts with the end face of deciliter connecting lever.
Technique effect of the present utility model is: after the utility model has used Monostable permanent magnetic mechanism and power module, only need an electric pulse can realize the change of vacuum contactor opening and closing state, so branch wire time is short, speed is fast, can be widely used in the occasion that requires quick divide-shut brake and frequent operation; And keeping it by permanent magnetism power and be in "on" position and need not consumed power after vacuum contactor closes a floodgate, is the new product of energy-conserving and environment-protective.
Description of drawings
Fig. 1 is a structure chart of the present utility model;
Fig. 2 is in the "on" position schematic diagram for the utility model;
Fig. 3 is in the gate-dividing state schematic diagram for the utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further described.
As Fig. 1～shown in Figure 3, the utility model is the big current vacuum contactor of a kind of permanent magnetism, in vacuum switch tube 8, be provided with moving conductive rod 9, the lower end of vacuum switch tube 8 is stretched out in the lower end of moving conductive rod 9, and at the lower end of moving conductive rod 9 cylinder lever connecting rod 13, the head of pull bar 13 is connected the upper end of deciliter connecting lever 15, the lower end of deciliter connecting lever 15 is connected with an end that divides plywood 5, divide the other end of plywood 5 to be connected with Monostable permanent magnetic mechanism 2, tripping spring 3 and auxiliary switch 4, Monostable permanent magnetic mechanism 2, tripping spring 3 and auxiliary switch 4 are fixed on the support 1, and auxiliary switch 4 is electrically connected with monostable power module 16.
Monostable permanent magnetic mechanism 2 comprises the base that is fixed on the support 1, is disposed with permanent magnet 20, static iron core 21 and moving iron core 22 on the base, and moving iron core 22 links to each other with branch plywood 5 by screw rod, and unicoil 23 is positioned at the outside of moving iron core 22 and static iron core 21.
Be with moving terminal block 10 on the moving conductive rod 9, moving terminal block 10 is arranged 12 by flexible conductor 11 with the moving conductive on being fixed on Insulating frame 6 and is connected.
The upper end of moving conductive rod 9 is provided with moving contact 19, and moving contact 19 contacts with fixed contact 18, is provided with static conductive rod 17 on fixed contact 18, and static conductive rod 17 stretches out from the top of vacuum switch tube 8, is connected with quiet line bank 7 on being fixed on Insulating frame 6.
Be with touch spring 14 on the pull bar 13, an end of touch spring 14 contacts with moving terminal block 10, and its other end contacts with the end face of deciliter connecting lever 15.
When feed motion instructs, monostable power module 16 sends a direct impulse electric current, offer the coil 23 of Monostable permanent magnetic mechanism 2 by control electric wire and auxiliary switch 4, coil 23 produces the magnetic flux with permanent magnet 20 equidirectionals, the counter-force that the magnetic field force that two magnetic field superposition produce overcomes tripping spring 3 makes moving iron core 22 fast to static iron core 21 adhesives, and the moving contact 19 that drives in the vacuum switch tube closes a floodgate to fixed contact 18 fast.
When the separating brake action command, monostable power module 16 sends a reverse impulse electric current, offer the coil 23 of Monostable permanent magnetic mechanism 2 by control electric wire and auxiliary switch 4, coil 23 produces and permanent magnet 20 rightabout magnetic field forces, while is under the acting in conjunction of the counter-force of tripping spring 3, make moving iron core 22 separate with static iron core 21 fast, drive moving contact 19 quick and fixed contact 18 separating brakes in the vacuum switch tube.Therefore only need an electric pulse can realize the change of vacuum contactor opening and closing state, (closing time≤50ms, opening time≤30ms), speed are fast, can be widely used in the occasion that requires quick divide-shut brake so its branch wire time is short.
The utility model uses special big current vacuum switching tube, and the operating current maximum can reach 1600A, is the twice of common contactor, is the preferred product in the big electric current project, and the utility model can be used for one pole, bipolar or three utmost points.This contactor adopts main electric loop and control loop left and right sides arrangement, this relatively simple for structure and reliable operation, and be convenient to installation and maintenance.
Claims (5)
1, the big current vacuum contactor of a kind of permanent magnetism, in vacuum switch tube (8), be provided with moving conductive rod (9), the lower end of described vacuum switch tube (8) is stretched out in the lower end of described moving conductive rod (9), and at the lower end cylinder lever connecting rod (13) of described moving conductive rod (9), the head of pull bar (13) is connected the upper end of a deciliter connecting lever (15), the lower end of deciliter connecting lever (15) is connected with an end that divides plywood (5), it is characterized in that: described minute plywood (5) the other end be connected with Monostable permanent magnetic mechanism (2), tripping spring (3) and auxiliary switch (4), Monostable permanent magnetic mechanism (2), tripping spring (3) and auxiliary switch (4) are fixed on the support (1), and auxiliary switch (4) is electrically connected with monostable power module (16).
2, according to the big current vacuum contactor of the described permanent magnetism of claim 1, it is characterized in that: described Monostable permanent magnetic mechanism (2) comprises the base that is fixed on the support (1), be disposed with permanent magnet (20), static iron core (21) and moving iron core (22) on the described base, moving iron core (22) links to each other with branch plywood (5) by screw rod, and unicoil (23) is positioned at the outside of moving iron core (22) and static iron core (21).
3, according to the big current vacuum contactor of the described permanent magnetism of claim 1, it is characterized in that: be with moving terminal block (10) on the described moving conductive rod (9), moving terminal block (10) is arranged (12) by flexible conductor (11) with the moving conductive on being fixed on Insulating frame (6) and is connected.
4, according to the big current vacuum contactor of the described permanent magnetism of claim 1, it is characterized in that: the upper end of described moving conductive rod (9) is provided with moving contact (19), moving contact (19) contacts with fixed contact (18), on fixed contact (18), be provided with static conductive rod (17), described static conductive rod (17) stretches out from the top of vacuum switch tube (8), is connected with quiet line bank (7) on being fixed on Insulating frame (6).
5, according to the big current vacuum contactor of the described permanent magnetism of claim 1, it is characterized in that: be with touch spring (14) on the described pull bar (13), one end of touch spring (14) contacts with moving terminal block (10), and its other end contacts with the end face of a deciliter connecting lever (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920040437U CN201392767Y (en) | 2009-04-22 | 2009-04-22 | Permanent magnet high-current vacuum contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920040437U CN201392767Y (en) | 2009-04-22 | 2009-04-22 | Permanent magnet high-current vacuum contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201392767Y true CN201392767Y (en) | 2010-01-27 |
Family
ID=41599589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920040437U Expired - Fee Related CN201392767Y (en) | 2009-04-22 | 2009-04-22 | Permanent magnet high-current vacuum contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201392767Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102194605A (en) * | 2010-03-13 | 2011-09-21 | 昆山瑞普电气有限公司 | Fixed improved structure of vacuum tube of alternating current vacuum contactor |
| CN103165338A (en) * | 2013-02-28 | 2013-06-19 | 无锡市蓝虹电子有限公司 | Vacuum contactor for wind power generation |
| CN104037013A (en) * | 2013-03-06 | 2014-09-10 | 昆山国力真空电器有限公司 | Improved structure of rotary arm for vacuum contactor |
| CN110211839A (en) * | 2019-07-09 | 2019-09-06 | 景德镇永鑫真空电器有限公司 | A kind of three-phase box type vacuum breaker |
| CN111863515A (en) * | 2020-06-19 | 2020-10-30 | 杨文先 | Emergency treatment device for arc extinguish chamber contact piece of vacuum contactor |
-
2009
- 2009-04-22 CN CN200920040437U patent/CN201392767Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102194605A (en) * | 2010-03-13 | 2011-09-21 | 昆山瑞普电气有限公司 | Fixed improved structure of vacuum tube of alternating current vacuum contactor |
| CN103165338A (en) * | 2013-02-28 | 2013-06-19 | 无锡市蓝虹电子有限公司 | Vacuum contactor for wind power generation |
| CN104037013A (en) * | 2013-03-06 | 2014-09-10 | 昆山国力真空电器有限公司 | Improved structure of rotary arm for vacuum contactor |
| CN104037013B (en) * | 2013-03-06 | 2016-08-10 | 昆山国力真空电器有限公司 | Vacuum contactor pivoted arm structure-improved |
| CN110211839A (en) * | 2019-07-09 | 2019-09-06 | 景德镇永鑫真空电器有限公司 | A kind of three-phase box type vacuum breaker |
| CN111863515A (en) * | 2020-06-19 | 2020-10-30 | 杨文先 | Emergency treatment device for arc extinguish chamber contact piece of vacuum contactor |
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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: 20100127 Termination date: 20160422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |