CN218039013U - Permanent magnet AC vacuum contactor - Google Patents

Permanent magnet AC vacuum contactor Download PDF

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Publication number
CN218039013U
CN218039013U CN202221874691.4U CN202221874691U CN218039013U CN 218039013 U CN218039013 U CN 218039013U CN 202221874691 U CN202221874691 U CN 202221874691U CN 218039013 U CN218039013 U CN 218039013U
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CN
China
Prior art keywords
rod
vacuum contactor
mounting plate
clamping
joint
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Active
Application number
CN202221874691.4U
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Chinese (zh)
Inventor
王干存
罗光吉
刘欣茹
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Hannett Electric Co ltd
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Hannett Electric Co ltd
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Priority to CN202221874691.4U priority Critical patent/CN218039013U/en
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Abstract

The utility model discloses a permanent magnetism AC vacuum contactor, including the vacuum contactor body, still including the mounting panel, the vacuum contactor body is installed on the mounting panel, be provided with multiunit latch mechanism between vacuum contactor body and the mounting panel, latch mechanism includes the joint piece, it is provided with a joint pole to slide in the mounting panel, set up the joint groove with joint pole looks adaptation on the joint piece, joint pole and the cooperation of joint groove joint, be provided with a radiating element on the mounting panel, radiating element is including setting up radiator fan on the mounting panel, radiator fan passes through the mount and installs on the mounting panel. Through the cooperation between vacuum contactor body, mounting panel, clamping mechanism, joint piece, joint pole, the joint groove, the joint pole joint is in the joint inslot portion, installs this vacuum contactor on the mounting panel, does not have the joint when the joint pole is inside at the joint inslot portion, dismantles vacuum contactor.

Description

Permanent magnet AC vacuum contactor
Technical Field
The utility model relates to a vacuum contactor technical field specifically is a permanent magnetism AC vacuum contactor.
Background
The contactor is an automatic control electrical apparatus, the contactor is mainly used for switching on frequently or breaking off alternating current, direct current circuit, it has large control capacity, can operate remotely, cooperate with the relay to realize the timing operation, interlock control, various quantitative control and decompression and undervoltage protection, apply to the automatic control circuit extensively, its main control object is the electric motor, can also be used for controlling other electric loads, and the permanent magnet AC contactor utilizes the principle that like polarity of the magnetic pole repels, opposite polarity attracts, replace a traditional electromagnet actuating mechanism and form a kind of micro-power consumption contactor with the permanent magnet actuating mechanism; the hollow contactor utilizes a vacuum arc extinguish chamber to extinguish arc, is used for frequently switching on and switching off normal working current, and is usually used for remotely switching on and switching off a 6kV and 380V (660V and 1140V) alternating current motor which is frequently started and stopped at medium and low voltages; the permanent magnet ac vacuum contactor is a common vacuum contactor, and the on-off of the vacuum contact is generally controlled by the on-off of the electromagnet.
An existing permanent magnet alternating current vacuum contactor, such as a chinese patent with the application number of cn201720041876.X named as "a permanent magnet alternating current vacuum contactor", discloses a permanent magnet alternating current vacuum contactor, including a vacuum arc-extinguishing chamber, one side of the vacuum arc-extinguishing chamber is provided with a fixing nut, the fixing nut fixes the vacuum arc-extinguishing chamber on a substrate through a fixing band, the inside of the vacuum arc-extinguishing chamber is provided with a static contact rod, one side of the static contact rod is provided with a shielding cover, the other side of the static contact rod is provided with an upper lead-out steel bar, the bottom of the static contact rod is provided with a static contact, the bottom of the static contact is provided with a moving contact, the bottom of the moving contact is provided with a moving contact rod, one side of the moving contact rod is provided with a differential pressure sensor, and the bottom of the differential pressure sensor is provided with a corrugated pipe. The utility model discloses whether the inspection that differential pressure sensor that sets up can be timely is intact to vacuum interrupter, avoids economic loss, and to the overall arrangement of insulating lever, permanent magnet and soft magnet again in addition, makes overall structure rationalize more to it is littleer to make permanent magnet AC vacuum contactor's volume.
The defects of the prior art are as follows: the existing contactor is generally used for fixedly connecting the vacuum arc-extinguishing chamber on the fixing plate, and when the vacuum arc-extinguishing chamber breaks down, the vacuum arc-extinguishing chamber is not convenient to detach from the fixing plate, so that the vacuum arc-extinguishing chamber is not convenient to overhaul and maintain.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a permanent magnetism AC vacuum contactor to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a permanent magnetism AC vacuum contactor, includes the vacuum contactor body, still including the mounting panel, the vacuum contactor body is installed on the mounting panel, be provided with multiunit latch mechanism between vacuum contactor body and the mounting panel, latch mechanism includes the joint piece, it is provided with a joint pole to slide in the mounting panel, set up the joint groove with joint pole looks adaptation on the joint piece, joint pole and the cooperation of joint groove joint, be provided with a radiating element on the mounting panel, radiating element is including setting up radiator fan on the mounting panel, radiator fan passes through the mount and installs on the mounting panel.
Further, the latch mechanism still includes the actuating lever, the vertical slip setting of actuating lever is on the mounting panel, be provided with the second wedge on the actuating lever bottom, be provided with a connecting block on the joint pole, be provided with first wedge on the connecting block, first wedge and second wedge butt are provided with coupling spring between first wedge and the mounting panel, coupling spring's elasticity orders about the joint pole joint at the joint inslot, be provided with the apron on the actuating lever top, be provided with drive spring between apron and the mounting panel, drive spring orders about the apron and keeps away from the mounting panel.
Furthermore, the vacuum contactor body comprises a vacuum arc extinguish chamber, a shielding case is arranged in the vacuum arc extinguish chamber, a static contact rod is arranged in the shielding case, a rigid bar is arranged on the static contact rod in a leading-out mode, a static contact is arranged at the other end of the static contact rod, a movable contact rod is arranged at the bottom of the vacuum arc extinguish chamber in a sliding mode, a movable contact is arranged at one end of the movable contact rod, and a driving assembly used for driving the movable contact rod to slide is arranged on the mounting plate.
Furthermore, the driving assembly comprises a rotating support rod, the rotating support rod is rotatably connected to the mounting plate through a shaft rod, the movable contact rod is rotatably connected to one end of the rotating support rod, a permanent magnet is arranged at one end, away from the movable contact rod, of the rotating support rod, a soft magnet is arranged on the mounting plate, and a reset spring is arranged between the rotating support rod and the vacuum arc-extinguishing chamber.
Furthermore, a fixed block is arranged on the mounting plate, and a lower leading-out rigid row is arranged on the fixed block.
Furthermore, a pressure sensor is arranged on the soft magnet, a controller is arranged on the cooling fan, and the pressure sensor is electrically connected with the controller.
Furthermore, a dust cover is arranged on the mounting plate, and a plurality of groups of ventilation holes are formed in the dust cover.
Compared with the prior art, the beneficial effects of the utility model are that: this permanent magnetism AC vacuum contactor, through the cooperation between vacuum contactor body, mounting panel, clamping mechanism, joint piece, joint pole, the joint groove, the joint pole joint is inside the joint inslot, alright with install this vacuum contactor on the mounting panel, when the joint pole does not have the joint when the joint inslot portion, alright dismantle vacuum contactor, excellent in use effect with.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic view of an overall structure provided by an embodiment of the present invention;
fig. 2 is a schematic overall top view structure diagram provided in the embodiment of the present invention;
fig. 3 is a schematic view of an overall partial structure provided by an embodiment of the present invention;
fig. 4 is a schematic view of an installation position structure of the clamping mechanism according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a clamping mechanism according to an embodiment of the present invention.
Description of reference numerals: 1. a vacuum contactor body; 2. mounting a plate; 3. a dust cover; 301. a vent hole; 4. a clamping mechanism; 401. a clamping block; 402. a clamping and connecting rod; 403. a clamping groove; 404. connecting blocks; 405. a first wedge block; 406. a second wedge block; 407. a connecting spring; 408. a drive rod; 409. a cover plate; 410. a drive spring; 5. a fixed mount; 6. a heat radiation fan; 7. a vacuum arc-extinguishing chamber; 8. static contact; 9. a moving contact; 10. the rigid row is led out from the upper part; 11. leading out a rigid row from the lower part; 12. a movable contact rod; 13. a fixed block; 14. rotating the supporting rod; 15. a return spring; 16. a shaft lever; 17. a permanent magnet; 18. soft magnetic iron; 19. a pressure sensor; 20. a controller; 21. a shield can.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a permanent magnetism AC vacuum contactor, including vacuum contactor body 1, still including mounting panel 2, vacuum contactor body 1 is installed on mounting panel 2, be provided with multiunit latch mechanism 4 between vacuum contactor body 1 and the mounting panel 2, latch mechanism 4 includes joint piece 401, it is provided with a joint pole 402 to slide in the mounting panel 2, set up the joint groove 403 with joint pole 402 looks adaptation on the joint piece 401, joint pole 402 cooperates with joint groove 403 joint, be provided with a radiating element on mounting panel 2, radiating element is including setting up radiator fan 6 on mounting panel 2, radiator fan 6 passes through mount 5 and installs on mounting panel 2.
Specifically, the permanent magnet alternating current vacuum contactor comprises a vacuum contactor body 1 and a mounting plate 2, wherein the vacuum contactor body 1 is mounted on the mounting plate 2, a plurality of groups of clamping mechanisms 4 are arranged between the vacuum contactor body 1 and the mounting plate 2, concretely, the clamping mechanisms 4 can be two groups and are respectively arranged on two sides of the vacuum contactor body 1, and the vacuum contactor body 1 can be conveniently mounted or dismounted from the mounting plate 2 by arranging the plurality of groups of clamping mechanisms 4, so that the vacuum contactor body 1 can be conveniently maintained and replaced, and the use effect is good; the clamping mechanism 4 comprises a clamping block 401, wherein an installation groove matched with the clamping block 401 is formed in the installation plate 2, the clamping block 401 is in clamping fit with the installation groove, and the using effect is good; the mounting plate 2 is internally provided with a clamping rod 402 in a sliding manner, more specifically, the clamping rod 402 is arranged in the mounting groove in a sliding manner, the clamping block 401 is provided with a clamping groove 403 matched with the clamping rod 402, the clamping rod 402 is matched with the clamping groove 403 in a clamping manner, when the clamping rod 402 is clamped in the clamping groove 403, the clamping block 401 can be fixed, and the vacuum contactor body 1 is fixed, otherwise, when the clamping rod 402 is not clamped in the clamping groove 403, the clamping block 401 can conveniently slide out of the mounting groove, the vacuum contactor body 1 can be conveniently dismounted, and the use effect is good; the mounting plate 2 is provided with a heat dissipation unit, so that heat dissipation is facilitated when the vacuum contactor body 1 is used, and the service life of the vacuum contactor is prolonged; wherein the radiating unit is including setting up radiator fan 6 on mounting panel 2, and radiator fan 6 passes through mount 5 to be installed on mounting panel 2, starts radiator fan 6 during the heat dissipation and can realize dispelling the heat to this vacuum contactor body 1, excellent in use effect.
The clamping mechanism 4 further comprises a driving rod 408, the driving rod 408 is vertically arranged on the mounting plate 2 in a sliding mode, a second wedge block 406 is arranged at the bottom of the driving rod 408, a connecting block 404 is arranged on the clamping rod 402, a first wedge block 405 is arranged on the connecting block 404, the first wedge block 405 abuts against the second wedge block 406, a connecting spring 407 is arranged between the first wedge block 405 and the mounting plate 2, the clamping rod 402 is clamped in the clamping groove 403 under the action of the elastic force of the connecting spring 407, a cover plate 409 is arranged on the top of the driving rod 408, a driving spring 410 is arranged between the cover plate 409 and the mounting plate 2, and the cover plate 409 is driven to be far away from the mounting plate 2 by the driving spring 410.
Preferably, the latch mechanism 4 further includes a driving rod 408, the driving rod 408 is vertically and slidably disposed on the mounting plate 2, and more specifically, a through slot is vertically and upwardly formed on the mounting plate 2, wherein the driving rod 408 is slidably connected to the mounting plate 2 through the through slot; the bottom of the driving rod 408 is provided with a second wedge block 406, the clamping rod 402 is provided with a connecting block 404, the connecting block 404 is provided with a first wedge block 405, the first wedge block 405 is abutted against the second wedge block 406, the driving rod 408 slides downwards to drive the second wedge block 406 to slide downwards, and further the first wedge block 405 is driven to slide horizontally; a connecting spring 407 is arranged between the first wedge block 405 and the mounting plate 2, the elastic force of the connecting spring 407 drives the clamping rod 402 to be clamped in the clamping groove 403, so as to fix the vacuum contactor body 1, a cover plate 409 is arranged on the top of the driving rod 408, a driving spring 410 is arranged between the cover plate 409 and the mounting plate 2, and the driving spring 410 drives the cover plate 409 to be away from the mounting plate 2; need when dismantling this vacuum contactor body 1 from mounting panel 2, order about apron 409 downwards, apron 409 slides down and drive actuating lever 408 and slide down, and then drive second wedge 406 and slide down when actuating lever 408 slides down, second wedge 406 and first wedge 405 butt, thereby drive first wedge 405 horizontal slip, and is more specific, first wedge 405 slides to the one side of keeping away from joint piece 401, and then drive connecting block 404 and slide when first wedge 405 slides, and then drive joint bar 402 and slide through connecting block 404, thereby drive joint bar 402 and follow the inside slip of joint groove 403, and then alright with slide out in following the mounting groove with joint piece 401, thereby alright dismantle this vacuum contactor body 1 from mounting panel 2 down, excellent in use effect.
The vacuum contactor body 1 comprises a vacuum arc extinguish chamber 7, a shielding cover 21 is arranged inside the vacuum arc extinguish chamber 7, a static contact rod is arranged inside the shielding cover 21, a leading-out rigid bar 10 is arranged on the static contact rod, a fixed block 13 is arranged on the mounting plate 2, a leading-out rigid bar 11 is arranged on the fixed block 13, a static contact 8 is arranged at the other end of the static contact rod, a moving contact rod 12 is arranged at the bottom of the vacuum arc extinguish chamber 7 in a sliding mode, a moving contact 9 is arranged on one end of the moving contact rod 12, the static contact 8 and the moving contact 9 are both made of tungsten-silver alloy materials and are synthesized, the vacuum contactor has good electrical conductivity and high-temperature ablation resistance, the service life is prolonged, and a driving component for driving the moving contact rod 12 to slide is arranged on the mounting plate 2.
The driving assembly comprises a rotating support rod 14, the rotating support rod 14 is rotatably connected to the mounting plate 2 through a shaft lever 16, the movable contact rod 12 is rotatably connected to one end of the rotating support rod 14, a permanent magnet 17 is arranged at one end of the rotating support rod 14 far away from the movable contact rod 12, a soft magnet 18 is arranged on the mounting plate 2, and a return spring 15 is arranged between the rotating support rod 14 and the vacuum arc-extinguishing chamber 7.
Preferably, the driving assembly comprises a rotating support rod 14, wherein the rotating support rod 14 is made of an insulating material, the rotating support rod 14 is rotatably connected to the mounting plate 2 through a shaft lever 16, the moving contact rod 12 is rotatably connected to one end of the rotating support rod 14, a permanent magnet 17 is arranged at one end of the rotating support rod 14, which is far away from the moving contact rod 12, a soft magnet 18 is arranged on the mounting plate 2, and a return spring 15 is arranged between the rotating support rod 14 and the vacuum arc-extinguishing chamber 7; when the device is used, the soft magnet 18 is electrified, the magnetism of the soft magnet 18 is opposite to that of the permanent magnet 17, just as like poles repel each other, opposite poles attract each other, so that the permanent magnet 17 is driven to approach to one side of the soft magnet 18, the rotating support rod 14 is driven to rotate, the movable contact rod 12 is driven to slide, the movable contact 9 is enabled to be in contact with the static contact 8, when the movable contact 9 and the static contact 8 need to be disconnected, the soft magnet 18 is powered off, the rotating support rod 14 is driven to reset in the process that the reset spring 15 recovers elastic deformation, the movable contact rod 12 slides downwards, and the static contact 8 and the movable contact 9 are separated, so that the use effect is good.
The soft magnet 18 is provided with a pressure sensor 19, the cooling fan 6 is provided with a controller 20, and the pressure sensor 19 is electrically connected with the controller 20.
Preferably, the soft magnet 18 is provided with the pressure sensor 19, the heat dissipation fan 6 is provided with the controller 20, the pressure sensor 19 is electrically connected with the controller 20, when the soft magnet 18 and the permanent magnet 17 are adsorbed, data of the data are transmitted into the pressure sensor 19 and then transmitted into the controller 20 through the pressure sensor 19, the controller 20 controls the starting of the driving motor in the heat dissipation fan 6 to drive the heat dissipation fan 6 to rotate, the heat dissipation is performed on the vacuum contactor, the service life of the vacuum contactor is prolonged, if the vacuum contactor is not used, the driving motor in the heat dissipation fan 6 is turned off through the controller 20, energy is saved, and the using effect is good.
The mounting plate 2 is provided with a dust cover 3, and the dust cover 3 is provided with a plurality of groups of vent holes 301.
Preferably, the mounting plate 2 is provided with a dust cover 3, and the dust cover 3 is provided with a plurality of groups of ventilation holes 301, so that the practicability of the vacuum contactor is further improved.
The working principle is as follows: this permanent magnetism vacuum contactor, when needing to dismantle this vacuum contactor body 1 from mounting panel 2, order about apron 409 downwards, apron 409 glides downwards and drives actuating lever 408 lapse, and then drive second wedge 406 lapse when actuating lever 408 lapse, second wedge 406 and first wedge 405 butt, thereby drive first wedge 405 horizontal slip, and is more specific, first wedge 405 slides to the one side of keeping away from joint piece 401, and then drive connecting block 404 and slide when first wedge 405 slides, and then drive joint bar 402 and slide through connecting block 404, thereby drive joint bar 402 and follow the inside slip of joint groove 403, and then alright roll-off in following the mounting groove with joint piece 401, thereby alright dismantle under this vacuum contactor body 1 follows mounting panel 2, excellent in use effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a permanent magnetism AC vacuum contactor, includes vacuum contactor body (1), its characterized in that:
the vacuum contactor is characterized by further comprising a mounting plate (2), wherein the vacuum contactor body (1) is mounted on the mounting plate (2), and a plurality of groups of clamping mechanisms (4) are arranged between the vacuum contactor body (1) and the mounting plate (2);
the clamping mechanism (4) comprises a clamping block (401), a clamping rod (402) is arranged in the mounting plate (2) in a sliding mode, a clamping groove (403) matched with the clamping rod (402) is formed in the clamping block (401), and the clamping rod (402) is matched with the clamping groove (403) in a clamping mode;
the heat dissipation device is characterized in that a heat dissipation unit is arranged on the mounting plate (2), the heat dissipation unit comprises a heat dissipation fan (6) arranged on the mounting plate (2), and the heat dissipation fan (6) is installed on the mounting plate (2) through a fixing frame (5).
2. The permanent magnet ac vacuum contactor according to claim 1, wherein: the clamping mechanism (4) further comprises a driving rod (408), the driving rod (408) is vertically arranged on the mounting plate (2) in a sliding mode, and a second wedge-shaped block (406) is arranged at the bottom of the driving rod (408);
a connecting block (404) is arranged on the clamping rod (402), a first wedge block (405) is arranged on the connecting block (404), and the first wedge block (405) is abutted to a second wedge block (406);
a connecting spring (407) is arranged between the first wedge-shaped block (405) and the mounting plate (2), and the elastic force of the connecting spring (407) drives the clamping rod (402) to be clamped in the clamping groove (403);
be provided with apron (409) on actuating lever (408) top, be provided with between apron (409) and mounting panel (2) drive spring (410), drive spring (410) order about apron (409) and keep away from mounting panel (2).
3. The permanent magnet ac vacuum contactor of claim 1, wherein: the vacuum contactor body (1) comprises a vacuum arc extinguish chamber (7), a shielding cover (21) is arranged in the vacuum arc extinguish chamber (7), a static contact rod is arranged in the shielding cover (21), an upper lead-out rigid row (10) is arranged on the static contact rod, and a static contact (8) is arranged at the other end of the static contact rod;
the vacuum arc-extinguishing chamber is characterized in that a movable contact rod (12) is arranged at the bottom of the vacuum arc-extinguishing chamber (7) in a sliding mode, a movable contact (9) is arranged at one end of the movable contact rod (12), and a driving assembly used for driving the movable contact rod (12) to slide is arranged on the mounting plate (2).
4. A permanent magnet ac vacuum contactor according to claim 3, wherein: the driving assembly comprises a rotating support rod (14), and the rotating support rod (14) is rotatably connected to the mounting plate (2) through a shaft lever (16); the movable contact rod (12) is rotatably connected to one end of the rotating support rod (14);
a permanent magnet (17) is arranged at one end of the rotating support rod (14) far away from the movable contact rod (12), and a soft magnet (18) is arranged on the mounting plate (2);
and a return spring (15) is arranged between the rotating support rod (14) and the vacuum arc extinguish chamber (7).
5. A permanent magnet ac vacuum contactor according to claim 3, wherein: the mounting plate (2) is provided with a fixed block (13), and the fixed block (13) is provided with a lower leading-out rigid row (11).
6. The permanent magnet ac vacuum contactor according to claim 4, wherein: the soft magnet (18) is provided with a pressure sensor (19), the cooling fan (6) is provided with a controller (20), and the pressure sensor (19) is electrically connected with the controller (20).
7. The permanent magnet ac vacuum contactor of claim 1, wherein: be provided with dust cover (3) on mounting panel (2), be provided with multiunit ventilation hole (301) on dust cover (3).
CN202221874691.4U 2022-07-20 2022-07-20 Permanent magnet AC vacuum contactor Active CN218039013U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221874691.4U CN218039013U (en) 2022-07-20 2022-07-20 Permanent magnet AC vacuum contactor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221874691.4U CN218039013U (en) 2022-07-20 2022-07-20 Permanent magnet AC vacuum contactor

Publications (1)

Publication Number Publication Date
CN218039013U true CN218039013U (en) 2022-12-13

Family

ID=84383672

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221874691.4U Active CN218039013U (en) 2022-07-20 2022-07-20 Permanent magnet AC vacuum contactor

Country Status (1)

Country Link
CN (1) CN218039013U (en)

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