CN116779384A - Novel double-drive single-phase contactor - Google Patents
Novel double-drive single-phase contactor Download PDFInfo
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- CN116779384A CN116779384A CN202211462686.7A CN202211462686A CN116779384A CN 116779384 A CN116779384 A CN 116779384A CN 202211462686 A CN202211462686 A CN 202211462686A CN 116779384 A CN116779384 A CN 116779384A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 100
- 230000003068 static effect Effects 0.000 claims description 43
- 230000009977 dual effect Effects 0.000 claims description 14
- 239000012212 insulator Substances 0.000 claims description 9
- 229910010293 ceramic material Inorganic materials 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 3
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- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 14
- 230000009471 action Effects 0.000 description 4
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- 239000003245 coal Substances 0.000 description 1
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- 238000005272 metallurgy Methods 0.000 description 1
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Abstract
The invention provides a novel double-drive single-phase contactor, which comprises a shell, wherein an electromagnetic part structure, an insulating part structure, a contact part structure and a pull rod are respectively arranged in the shell, an additional safety electromagnetic structure is also arranged in the shell, and the additional safety electromagnetic structure and the electromagnetic part structure can both drive the pull rod and enable the contact part structure to generate displacement so as to control the contactor to be closed. The novel double-drive single-phase contactor is designed to ensure reliable switching-on under the condition that a main loop is in a problem, and has high switching-on speed and higher safety performance.
Description
Technical Field
The invention relates to a contactor, in particular to a novel double-drive single-phase contactor.
Background
The contactor is widely applied to various fields such as photovoltaic power generation, new energy, power systems, petroleum, chemical industry, coal mine, metallurgy, electrified railway and the like. The switching-on reliability of the main loop is related to the safe operation of the whole circuit system. The structure of the contactor used in the current market is mainly a single magnetic circuit structure, and the structure is triggered by a control signal, and a coil is electrified and then switched on. If a trigger signal or a coil electrifying link is in a problem in the process, the contactor cannot be normally closed, and the safety of a main loop and even the whole system is affected. Therefore, a reliable-actuation new dual-drive single-phase contactor is necessary.
Disclosure of Invention
Technical problem to be solved
The novel double-drive single-phase contactor is a novel double-trigger redundancy design with reliable closing, high closing speed and higher safety performance.
Technical proposal for solving the problems
The invention provides a novel double-drive single-phase contactor, which comprises a shell, wherein an electromagnetic part structure, an insulating part structure, a contact part structure and a pull rod are respectively arranged in the shell; the additional safety electromagnetic structure comprises an additional magnetic cylinder, an additional upper magnetic cylinder cover and an additional lower magnetic cylinder cover are respectively arranged at the upper end and the lower end of the additional magnetic cylinder, an additional static iron core is arranged in the additional lower magnetic cylinder cover, an additional movable iron core is arranged at the lower end of the additional static iron core, a first spring is arranged between the additional static iron core and the additional movable iron core, the upper end of the first spring is connected with the additional upper magnetic cylinder cover, the lower end of the first spring is connected with the additional movable iron core, an additional magnetic conduction ring is arranged at the outer side of the additional movable iron core, an additional permanent magnet is arranged between the additional magnetic conduction ring and the additional magnetic cylinder, an additional coil is arranged at the outer side of the additional static iron core, and the lower end of the additional movable iron core extends to the outer side of the additional lower magnetic cylinder cover.
Further, the electromagnetic part structure comprises a magnetic cylinder, an upper magnetic cylinder cover and a lower magnetic cylinder cover are respectively arranged at the upper end and the lower end of the magnetic cylinder, a static iron core is arranged in the magnetic cylinder, a movable iron core is arranged at the lower end of the static iron core, a second spring is arranged between the static iron core and the movable iron core, a magnetic conduction ring is arranged at the outer side of the movable iron core, a permanent magnet is arranged between the magnetic conduction ring and the magnetic cylinder, a coil is arranged at the upper end of the permanent magnet, the coil is positioned at the outer side of the static iron core, and the lower end of the movable iron core extends to the outer side of the lower magnetic cylinder cover; the insulation part structure comprises an insulator, a placing cavity is arranged at the upper end of the insulator, an inner sleeve is arranged in the placing cavity, a third spring is arranged in the inner sleeve, and a nut is arranged at the upper end of the inner sleeve; the contact part structure comprises a fixed contact, a first conducting bar is arranged at the lower end of the fixed contact, the first conducting bar extends to the outer side of the shell, a fixed plate is arranged on the fixed contact, a moving contact is arranged at the upper end of the fixed contact, a corrugated pipe is arranged on the moving contact, an insulating seat is arranged between the corrugated pipe and the fixed plate, an insulating cover is arranged on the outer wall of the insulating seat, a second conducting bar is arranged at the upper end of the moving contact, and the second conducting bar extends to the outer side of the shell.
Further, the additional safety electromagnetic structure is positioned at the upper end of the electromagnetic part structure, and a hand separating rod is arranged between the additional safety electromagnetic structure and the electromagnetic part structure; the pull rod penetrates through the second spring in the electromagnetic part structure and the hand dividing rod in sequence upwards to be connected with the additional movable iron core.
Further, the insulating cover is made of ceramic materials and is fixedly connected with the corrugated pipe and the fixing plate.
Further, the lower extreme of insulator is equipped with the screw rod, the screw rod runs through the second is electrically conductive arranges and connects the moving contact, be equipped with second boss and third boss on the moving contact, the second boss with be equipped with the interval between the third boss, the insulating seat with the bellows block is in between second boss with the third boss.
Further, a first boss is arranged on the pull rod, the first boss is positioned at the lower end of the nut and the upper end of the third spring, a first external thread structure is arranged at the upper end of the first boss, the upper end of the first external thread structure is connected with a polish rod structure, and the upper end of the polish rod structure is connected with a second external thread structure; the fixed sleeve is arranged between the pull rod and the hand separating rod, a second internal thread structure corresponding to the second external thread structure is arranged in the fixed sleeve, the pull rod is connected with the additional movable iron core through the second external thread structure, and the pull rod is connected with the movable iron core through the first external thread structure.
Further, the included angle between the pull rod and the hand dividing rod is 90 degrees, and the hand dividing rod is provided with a sliding rail.
Further, the magnetic cylinder is fixed with the upper magnetic cylinder cover and the lower magnetic cylinder cover through first screws.
Further, the additional magnetic cylinder, the additional upper magnetic cylinder cover and the additional lower magnetic cylinder cover are fixed through second screws.
Further, the fixed contact and the first conductive row are fixed through a third screw.
Advantageous effects
The novel double-drive single-phase contactor is designed to ensure reliable switching-on under the condition that a main loop is in a problem, and has high switching-on speed and higher safety performance.
Drawings
FIG. 1 is a side cross-sectional view of the overall structure of the novel dual drive single phase contactor of the present invention;
FIG. 2 is a front cross-sectional view of the overall mechanism of the novel dual drive single phase contactor of the present invention;
FIG. 3 is a cross-sectional view of a moving core of the novel dual drive single phase contactor of the present invention;
FIG. 4 is a schematic illustration of the magnetic flux path of the electromagnetic portion of the novel dual drive single phase contactor of the present invention with the armature held in the released position with the coil unpowered;
FIG. 5 is a schematic diagram of the magnetic flux path of the electromagnetic portion of the novel dual-drive single-phase contactor of the present invention with the armature moving toward the energized position with the coil energized;
FIG. 6 is a schematic illustration of the flux path of an additional electromagnetic portion of the novel dual drive single phase contactor of the present invention with the armature held in a released position with the additional coil not energized;
FIG. 7 is a schematic illustration of the flux path of an additional electromagnetic portion of the novel dual-drive single-phase contactor of the present invention with the armature moving toward the energized position with the additional coil energized;
fig. 8 is a schematic structural view of a pull rod of the novel dual-drive single-phase contactor of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 8, the novel dual-drive single-phase contactor of the invention comprises a housing, wherein an electromagnetic part structure, an insulating part structure, a contact part structure and a pull rod 21 are respectively arranged in the housing, and an additional safety electromagnetic structure is also arranged in the housing, and can drive the pull rod 21 and enable the contact part structure to displace so as to control the contactor to be closed; in the first embodiment, the additional safety electromagnetic structure comprises an additional magnetic cylinder 20, an additional upper magnetic cylinder cover 10 and an additional lower magnetic cylinder cover 26 are respectively arranged at the upper end and the lower end of the additional magnetic cylinder 20, the additional upper magnetic cylinder cover 10 and the additional lower magnetic cylinder cover 26 are enclosed into a hollow cylinder shape, an additional static iron core 11 is arranged in the additional lower magnetic cylinder cover 26, an additional movable iron core 12 is arranged at the lower end of the additional static iron core 11, mounting holes are arranged at the upper ends of the additional static iron core 11 and the additional movable iron core 12, a first spring 25 is arranged in the mounting holes, the upper end of the first spring 25 is connected with the additional magnetic cylinder cover 10, the lower end of the first spring 25 is connected with the additional movable iron core 12, an additional magnetic guide ring 19 is arranged at the outer side of the additional movable iron core 12, an additional permanent magnet 18 is arranged between the additional magnetic guide ring 19 and the additional magnetic cylinder 20, an additional coil 22 is arranged at the upper end of the additional permanent magnet 18, the additional coil 22 is positioned at the outer side of the additional static iron core 11, the lower end of the additional movable iron core 12 extends to the outer side of the additional lower magnetic cylinder cover 26, and a second internal thread structure corresponding to the second external thread structure is arranged at the middle position of the lower end of the additional movable iron core 12; in this embodiment, the additional static iron core 11 and the additional magnetic cylinder cover 10 are fixed by a fourth screw, the additional movable iron core 12 can be attached to the additional static iron core 11 under the condition of opening the contactor, and presents a main and auxiliary pole face state, and is attached to the additional lower magnetic cylinder cover 26 under the closing state of the contactor, the additional permanent magnet 18 is in a fan-shaped structure, a plurality of additional permanent magnets 18 are spliced together to form a ring shape, the magnetizing direction of the additional permanent magnets is radial magnetizing, the additional permanent magnets are distributed between the additional magnetic ring 19 and the additional magnetic cylinder 20, the upper surface is attached to the additional coil 22 and the skeleton thereof, the additional magnetic ring 19 is in a cylindrical ring shape, the height is the same as the additional permanent magnet 18, the outer side is attached to the additional permanent magnet 18, a certain air gap is reserved between the inner side and the additional movable iron core 12, friction is prevented from being generated in the movement process, the additional magnetic cylinder 20 is in a cylindrical ring shape, the upper surface is fastened to the additional upper magnetic cylinder cover 10 by a second screw, the lower side is fastened to the additional lower magnetic cylinder cover 26 by the second screw, a hole for outputting a lead of the additional coil 22 is reserved on the side surface, the upper end surface of the additional coil 22 is attached to the lower end surface of the additional magnetic cylinder cover 10, the upper end surface of the additional magnetic ring 19 is attached to the upper end surface of the additional magnetic cylinder cover 20, and the additional permanent magnet ring is provided with a first protruding coil 18, and the additional permanent magnet protruding coil 20 is fixed in the upper end surface 20, and the additional protruding coil 20 is attached to the upper end surface is fixed to the upper end surface of the additional magnetic cylinder 20, and attached to the additional magnetic cylinder 20, and is fixed by the upper end surface, and attached to the additional magnetic coil is fixed by the upper end 18, and attached to the additional end surface is attached to the additional coil 18 is attached to and is 18 and attached to and attached 18 and is 18 and attached to and is 18.
In the first embodiment, the electromagnetic part structure comprises a magnetic cylinder 6, an upper magnetic cylinder cover 1 and a lower magnetic cylinder cover 7 are respectively arranged at the upper end and the lower end of the magnetic cylinder 6, the upper magnetic cylinder cover 1 and the lower magnetic cylinder cover 7 are enclosed into a hollow cylinder shape, a static iron core 2 is arranged in the magnetic cylinder 6, a movable iron core 3 is arranged at the lower end of the static iron core 2, a through hole structure is arranged in the middle of the static iron core 2, a counter bore structure is arranged in the middle of the movable iron core 3, the through hole structure and the counter bore structure are coaxially arranged, the major diameter of the counter bore structure is equal to the diameter of the through hole structure, a first internal thread structure corresponding to the first external thread structure is arranged in the minor diameter of the counter bore structure, a second spring 8 is arranged in the major diameter of the upper end of the counter bore structure and the through hole structure, a magnetic conducting ring 5 is arranged outside the movable iron core 3, a permanent magnet 4 is arranged between the magnetic conducting ring 5 and the magnetic cylinder 6, a coil 9 is arranged at the upper end of the permanent magnet 4 and is positioned outside the static iron core 2, the lower end of the movable iron core 3 extends to the outer side of the lower magnetic cylinder cover 7, in this embodiment, the static iron core 2 and the upper magnetic cylinder cover 1 are fixed by a fifth screw, the movable iron core 3 can be jointed with the static iron core 2 under the condition of opening a contactor and presents a main and auxiliary pole face state, the movable iron core 3 is jointed with the lower magnetic cylinder cover 7 under the condition of closing the contactor, the permanent magnet 4 is in a fan-shaped structure, a plurality of permanent magnets 4 are spliced to form a ring shape, the magnetizing direction of the movable iron core 3 is radial magnetizing, the movable iron core is distributed between the magnetic conducting ring 5 and the magnetic cylinder 6, the upper surface is jointed with the coil 9 and a framework thereof, the magnetic conducting ring 5 is in a cylindrical ring shape, the height is the same as the permanent magnet 4, the outer side is jointed with the permanent magnet 4, a certain air gap is reserved between the inner side and the movable iron core 3, friction is prevented in the moving process of the movable iron core 3, the upper surface is in a cylindrical ring shape, the upper surface is fastened with the upper magnetic cylinder cover 1 by a first screw, the lower side is fastened with the lower magnetic cylinder cover 7 by the first screw, holes for the output of the leads of the coil 9 are reserved on the side wall; the second spring 8 is a rectangular spring and is arranged among the upper magnetic cylinder cover 1, the static iron core 2 and the movable iron core 3, one side of the second spring is pressed on the upper magnetic cylinder cover 1, and the other side of the second spring is pressed on the movable iron core 3 in a compressed state; the upper end face of the coil 9 is attached to the lower end face of the upper magnetic cylinder cover 1 and is provided with a second convex hull, the coil 9 is prevented from rotating by being fixed in a second groove on the lower end face of the upper magnetic cylinder cover 1 through the second convex hull, an outgoing line of the coil 9 is led out through a hole on the wall of the magnetic cylinder 6 and is arranged between the static iron core 2 and the magnetic cylinder 6, and the lower end face is attached to the permanent magnet 4 and the magnetic conducting ring 5; the insulation part structure comprises an insulator 13, a placing cavity is arranged at the upper end of the insulator 13, an inner sleeve 14 is arranged in the placing cavity, a third spring 16 is arranged in the inner sleeve 14, a nut 15 is arranged at the upper end of the inner sleeve 14, in the embodiment, the first nut 15 is a slotted nut, the slotted nut 15 is in a flat cylinder shape, a side wall surface is provided with threads, the slotted nut is fastened with the threads of the inner sleeve 14, the upper end surface is a plane with a groove, the slotted nut 15 is convenient to screw in and screw out, a hole is arranged in the middle for a pull rod 21 to pass through, the lower end surface is a plane, and the slotted nut 15 is attached with a first boss on the pull rod 21; the second spring 16 is a rectangular spring and is arranged between the inner sleeve 14 and the slotted nut 15, one end of the second spring is pressed on the inner sleeve 14, and the other end of the second spring is pressed on a first boss attached on the pull rod 21 and is in a compressed state; the contact part structure comprises a fixed contact 17, a first conductive row 27 is arranged at the lower end of the fixed contact 17, the first conductive row 27 extends to the outer side of a shell and is connected with a main loop, a fixed plate is arranged on the fixed contact 17, a movable contact 28 is arranged at the upper end of the fixed contact 17, a corrugated pipe 29 is arranged on the movable contact 28, an insulating seat is arranged between the corrugated pipe 29 and the fixed plate, an insulating cover 30 is arranged on the outer wall of the insulating seat, a second conductive row 23 is arranged at the upper end of the movable contact 28, and the second conductive row 23 extends to the outer side of the shell and is connected with the main loop; in this embodiment, the moving contact 28 is provided with a second boss and a third boss, a space is provided between the second boss and the third boss, the insulating seat and the bellows 29 are clamped between the second boss and the third boss, the contact and disconnection actions of the moving contact 28 and the fixed contact 17 are completed, the closing and disconnection functions of the contactor are completed, the insulating cover 30 is made of ceramic materials, the insulating cover 30 is fixedly connected with the bellows 29 and the fixed plate, the moving contact 28 and the insulating cover 30 are connected with the bellows 29 by using the ceramic materials to promote arc extinction and keep a vacuum state, the moving contact 28 and the insulating cover 30 are connected with the bellows 29, the closing and disconnection actions of the moving contact 28 and the fixed contact 17 are completed, the insulating cover 30 is fixedly connected with the bellows 29 and the fixed plate by using the ceramic materials to promote arc extinction and keep a vacuum state, the bellows 29 is connected with the moving contact 28 and the insulating cover 30, the insulating cover 30 is provided with a screw rod at the lower end of the insulator 13, the screw rod penetrates the second conductive row 23 and is connected with the moving contact 28, and the fixed contact 17 and the first conductive row 27 by a third screw.
In the third embodiment, the additional safety electromagnetic structure is located at the upper end of the electromagnetic part structure, and a hand separating rod 24 is arranged between the additional safety electromagnetic structure and the electromagnetic part structure; the pull rod 21 sequentially penetrates through the second spring 8 and the hand separating rod 24 in the electromagnetic part structure upwards and then is connected with the additional movable iron core 12, in the embodiment, a first boss is arranged on the pull rod 21 and is positioned at the lower end of the nut 15 and the upper end of the third spring 16, a first external thread structure is arranged at the upper end of the first boss, the upper end of the first external thread structure is connected with a polish rod structure, and the upper end of the polish rod structure is connected with a second external thread structure; a fixed sleeve is arranged between the pull rod 21 and the hand separating rod 24, a second internal thread structure corresponding to the second external thread structure is arranged in the fixed sleeve, the pull rod 21 is connected with the additional movable iron core 12 through the second external thread structure, the pull rod 21 is connected with the movable iron core 3 through the first external thread structure, the pull rod 21 and the hand separating rod 24 are installed at 90 degrees, a sliding rail is sleeved on the hand separating rod 24, the pull rod 21 and the hand separating rod 24 form leverage, and the hand separating rod 24 is utilized to move up and down on the sliding rail to conduct manual switching-off and switching-on of the contactor.
The use method of the invention is described in detail below with reference to this embodiment, during normal operation, the contactor contains a plurality of permanent magnets 4, which are spliced to form a ring shape, and form two magnetic flux paths with an upper magnetic cylinder cover 1, a static iron core 2, a movable iron core 3, a magnetic conduction ring 5, a magnetic cylinder 6 and a lower magnetic cylinder cover 7, as shown in fig. 4 and 5, one path starts from the N pole of the permanent magnet 4, returns to the S pole of the permanent magnet 4 through the magnetic conduction ring 5, the movable iron core 3, the static iron core 2, the upper magnetic cylinder cover 1 and the magnetic cylinder 6, generates upward magnetic force F1, and the other path starts fromThe N pole of the permanent magnet 4 starts from the S pole of the permanent magnet 4 and returns to the S pole of the permanent magnet 4 through the magnetic conduction ring 5, the movable iron core 3, the lower magnetic cylinder cover 7 and the magnetic cylinder 6 to generate downward magnetic force F2; in the open state, the air gap between the upper end surface of the movable iron core 3 and the main and auxiliary pole surfaces of the lower end of the static iron core 2 is far smaller than the air gap between the lower end surface of the movable iron core 3 and the main and auxiliary pole surfaces of the upper end of the lower magnetic cylinder cover 7, so F1>F2 and overcomes the elasticity F of the closing spring 8 N The vacuum arc-extinguishing chamber generates self-closing force so that the contactor is kept at a release position; when the coil 9 receives the trigger signal, a magnetic flux path is formed between the coil 9 and the upper magnetic cylinder cover 1, the static iron core 2, the movable iron core 3, the magnetic cylinder 6 and the lower magnetic cylinder cover 7 after being electrified, the magnetic flux direction is shown in fig. 5, and is opposite to the magnetic flux (namely, the magnetic flux generating the magnetic force F1) generated by the permanent magnet 4 passing through the magnetic conduction ring 5, the movable iron core 3, the static iron core 2, the upper magnetic cylinder cover 1, the magnetic cylinder 6 and the return permanent magnet 4, and the magnetic flux is in a counteraction trend, so that the magnetic force F1 is reduced; when the upward direction F1 overcomes the downward direction first spring 8 to generate the elastic force F N And after the vacuum arc-extinguishing chamber generates self-closing force (or does not contain the first spring 8 to generate elastic force F) N Only the vacuum arc extinguishing chamber generates self-closing force), and the resultant force is smaller than F2 in the downward direction, so that the movable iron core 3 drives the pull rod 21, the insulating part and the movable contact 28 to move downwards until the position of the suction position, the closing action is completed, and after closing, the current in the main loop passes through the static conductive bar 22, the static contact 17, the movable contact 28 and the movable conductive bar 23 to complete the loop closing function; at the closing position, as shown in fig. 5, the static iron core 2, the movable iron core 3, the permanent magnet 4, the magnetic conduction ring 5, the magnetic cylinder 6 and the lower magnetic cylinder cover 7 form a magnetic circuit, the air gap between the upper end surface of the movable iron core 3 and the main and auxiliary pole surfaces of the lower end surface of the static iron core 2 is far larger than the air gap between the lower end surface of the movable iron core 3 and the main and auxiliary pole surfaces of the upper end surface of the lower magnetic cylinder cover 7, so F1<F2, and the elasticity F of the closing spring 8 N And the self-closing force direction of the vacuum arc-extinguishing chamber always promotes the attraction and is the same as the F2 direction, so that the resultant force enables the contactor to be kept at the closing position.
When the main circuit goes wrong, the coil 9 is started by the normal trigger signal, and the additional safety electromagnetic structure is started immediately when the contactor is not connected, as shown in fig. 6 and 7, when the additional coil 22 receives the trigger signal, the additional coil is electrified to be connected with the additional magnetic cylinder cover 10 and the additional static iron core 11The additional movable iron core 12, the additional magnetic cylinder 20 and the additional lower magnetic cylinder cover 26 form a magnetic flux path, and the magnetic flux direction is opposite to the magnetic flux (namely, the magnetic flux generating the magnetic force F3) generated by the additional permanent magnet 18 passing through the additional magnetic conducting ring 19, the additional movable iron core 12, the additional static iron core 11, the additional magnetic cylinder cover 10, the additional magnetic cylinder 20 and the additional permanent magnet 18, and the magnetic flux direction is in a counteracting trend, so that the magnetic force F3 is reduced. When the electromagnetic force F3 in the upward direction and the additional closing spring 25 in the downward direction generate the elastic force F N2 The electromagnetic force F1 of the electromagnetic part main body and the vacuum arc-extinguishing chamber generate self-closing force (or in an embodiment, the additional closing spring 25 is not included, only the electromagnetic force F3 and the F1 generated in the electromagnetic part overcome the self-closing force generated by the vacuum arc-extinguishing chamber), and the resultant force is smaller than the downward force F4, so that the additional movable iron core 12 drives the pull rod 21, the movable iron core 3, the insulating part and the movable contact 28 to move downwards until reaching the position of suction, and the closing action is completed. After closing, the current in the main loop passes through the static conductive bar 27, the static contact 17, the moving contact 28 and the moving conductive bar 23 to complete the loop closing function.
The novel double-drive single-phase contactor is designed to be reliably switched on through double-trigger redundancy, so that the contactor can be reliably switched on when a main circuit goes wrong, the switching-on speed is high, the safety performance is higher, the contactor can be switched on through the two triggering modes, and the contactor can be reliably switched on when the main circuit goes wrong.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (10)
1. The utility model provides a novel double-drive single-phase contactor, includes the casing, be equipped with electromagnetism partial structure, insulating partial structure, contact partial structure and pull rod (21) respectively in the casing, its characterized in that: the shell is internally provided with an additional safety electromagnetic structure, and the additional safety electromagnetic structure and the electromagnetic part structure can drive the pull rod (21) and enable the contact part structure to generate displacement so as to control the contactor to be closed; the additional safety electromagnetic structure comprises an additional magnetic cylinder (20), an additional upper magnetic cylinder cover (10) and an additional lower magnetic cylinder cover (26) are respectively arranged at the upper end and the lower end of the additional magnetic cylinder (20), an additional permanent magnet (18) is arranged in the additional lower magnetic cylinder cover (26), an additional movable iron core (12) is arranged at the lower end of the additional static iron core (11), a first spring (25) is arranged between the additional static iron core (11) and the additional movable iron core (12), the upper end of the first spring (25) is connected with the additional magnetic cylinder cover (10), the lower end of the first spring (25) is connected with the additional movable iron core (12), an additional magnetic conduction ring (19) is arranged at the outer side of the additional movable iron core (12), an additional permanent magnet (18) is arranged between the additional magnetic conduction ring (19) and the additional magnetic cylinder (20), an additional coil (22) is arranged at the upper end of the additional permanent magnet (18), the additional coil (22) is arranged on the outer side of the additional static iron core (11), and the lower end of the additional movable iron core (12) extends to the outer side of the additional magnetic cylinder cover (26).
2. The novel dual drive single phase contactor of claim 1, wherein: the electromagnetic part structure comprises a magnetic cylinder (6), wherein an upper magnetic cylinder cover (1) and a lower magnetic cylinder cover (7) are respectively arranged at the upper end and the lower end of the magnetic cylinder (6), a static iron core (2) is arranged in the magnetic cylinder (6), a movable iron core (3) is arranged at the lower end of the static iron core (2), a second spring (8) is arranged between the static iron core (2) and the movable iron core (3), a magnetic conduction ring (5) is arranged at the outer side of the movable iron core (3), a permanent magnet (4) is arranged between the magnetic conduction ring (5) and the magnetic cylinder (6), a coil (9) is arranged at the upper end of the permanent magnet (4), the coil (9) is positioned at the outer side of the static iron core (2), and the lower end of the movable iron core (3) extends to the outer side of the lower magnetic cylinder cover (7); the insulation part structure comprises an insulator (13), a placing cavity is formed in the upper end of the insulator (13), an inner sleeve (14) is arranged in the placing cavity, a third spring (16) is arranged in the inner sleeve (14), and a nut (15) is arranged at the upper end of the inner sleeve (14); the contact part structure comprises a fixed contact (17), a first conducting bar (27) is arranged at the lower end of the fixed contact (17), the first conducting bar (27) extends to the outer side of the shell, a fixed plate is arranged on the fixed contact (17), a moving contact (28) is arranged at the upper end of the fixed contact (17), a corrugated pipe (29) is arranged on the moving contact (28), an insulating seat is arranged between the corrugated pipe (29) and the fixed plate, an insulating cover (30) is arranged on the outer wall of the insulating seat, a second conducting bar (23) is arranged at the upper end of the moving contact (28), and the second conducting bar (23) extends to the outer side of the shell.
3. The novel dual drive single phase contactor of claim 2, wherein: the additional safety electromagnetic structure is positioned at the upper end of the electromagnetic part structure, and a hand separating rod (24) is arranged between the additional safety electromagnetic structure and the electromagnetic part structure; the pull rod (21) sequentially penetrates through the second spring (8) and the hand separating rod (24) in the electromagnetic part structure upwards and then is connected with the additional movable iron core (12).
4. The novel dual drive single phase contactor of claim 2, wherein: the insulating cover (30) is made of ceramic materials, and the insulating cover (30) is fixedly connected with the corrugated pipe (30) and the fixing plate.
5. The novel dual drive single phase contactor of claim 2, wherein: the lower extreme of insulator (13) is equipped with the screw rod, the screw rod runs through second busbar (23) and connect moving contact (28), be equipped with second boss and third boss on moving contact (28), the second boss with be equipped with the interval between the third boss, the insulating seat with bellows (29) block is in the second boss with between the third boss.
6. The novel dual drive single phase contactor of claim 3, wherein: the pull rod (21) is provided with a first boss, the first boss is positioned at the lower end of the nut (15) and the upper end of the third spring (16), the upper end of the first boss is provided with a first external thread structure, the upper end of the first external thread structure is connected with a polish rod structure, and the upper end of the polish rod structure is connected with a second external thread structure; the fixed sleeve is arranged between the pull rod (21) and the hand separating rod (24), a second internal thread structure corresponding to the second external thread structure is arranged in the fixed sleeve, the pull rod (21) is connected with the additional movable iron core (12) through the second external thread structure, and the pull rod (21) is connected with the movable iron core (3) through the first external thread structure.
7. The novel dual drive single phase contactor of claim 3, wherein: the included angle between the pull rod (21) and the hand separating rod (24) is 90 degrees, and the hand separating rod (24) is provided with a sliding rail.
8. The novel dual drive single phase contactor of claim 2, wherein: the magnetic cylinder (6) is fixed with the upper magnetic cylinder cover (1) and the lower magnetic cylinder cover (7) through first screws.
9. The novel dual drive single phase contactor of claim 1, wherein: the additional magnetic cylinder (20) is fixed with the additional upper magnetic cylinder cover (10) and the additional lower magnetic cylinder cover (26) through second screws.
10. The novel dual drive single phase contactor of claim 2, wherein: the static contact (17) and the first conductive row (27) are fixed through a third screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211462686.7A CN116779384A (en) | 2022-11-22 | 2022-11-22 | Novel double-drive single-phase contactor |
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| CN202211462686.7A CN116779384A (en) | 2022-11-22 | 2022-11-22 | Novel double-drive single-phase contactor |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681356A (en) * | 2013-11-26 | 2015-06-03 | 昆山瑞普电气有限公司 | Single-phase permanent magnetic contactor |
| WO2017054744A1 (en) * | 2015-09-30 | 2017-04-06 | 上海电科电器科技有限公司 | Electromagnetic trip device |
| CN108550495A (en) * | 2018-04-25 | 2018-09-18 | 东南大学 | The achievable permanent-magnet manipulating mechanism being closed in short-term and method of double monostable combinations |
| CN109192616A (en) * | 2018-09-21 | 2019-01-11 | 嘉润电气科技有限公司 | A kind of single-phase contactor of novel double drive |
| CN111415838A (en) * | 2020-03-25 | 2020-07-14 | 嘉润电气科技有限公司 | Novel dual-drive double-coil single-phase contactor |
-
2022
- 2022-11-22 CN CN202211462686.7A patent/CN116779384A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681356A (en) * | 2013-11-26 | 2015-06-03 | 昆山瑞普电气有限公司 | Single-phase permanent magnetic contactor |
| WO2017054744A1 (en) * | 2015-09-30 | 2017-04-06 | 上海电科电器科技有限公司 | Electromagnetic trip device |
| CN108550495A (en) * | 2018-04-25 | 2018-09-18 | 东南大学 | The achievable permanent-magnet manipulating mechanism being closed in short-term and method of double monostable combinations |
| CN109192616A (en) * | 2018-09-21 | 2019-01-11 | 嘉润电气科技有限公司 | A kind of single-phase contactor of novel double drive |
| CN111415838A (en) * | 2020-03-25 | 2020-07-14 | 嘉润电气科技有限公司 | Novel dual-drive double-coil single-phase contactor |
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