CN210628207U

CN210628207U - Permanent magnetic contactor

Info

Publication number: CN210628207U
Application number: CN201921667117.XU
Authority: CN
Inventors: 朱军; 方旭; 林罗豪; 陈海多; 彭碧辉; 黄晓湖; 虞彭鑫; 刘小龙
Original assignee: Zhejiang Meishuo Electric Technology Co ltd
Current assignee: Zhejiang Meishuo Electric Technology Co ltd
Priority date: 2019-10-05
Filing date: 2019-10-05
Publication date: 2020-05-26
Anticipated expiration: 2029-10-05

Abstract

The utility model discloses a permanent magnet contactor, which provides a closed pulse voltage through a high-low frequency conversion controller, an electromagnetic working system is electrified to drive an armature component to swing so as to drive a movable reed to act and realize the contact of a movable contact and a fixed contact, when the pulse voltage disappears, because a permanent magnet is arranged in the electromagnetic working system, a magnetic field still exists, and the movable contact and the fixed contact are always kept in contact; when a reverse pulse voltage is provided, a reverse magnetic field is formed, the armature component is driven to swing reversely, and the moving contact and the static contact are separated. The utility model discloses a permanent magnetism formula electromagnetism operating system, power consumption is little, and job stabilization is reliable, and product compact structure, small moreover can better satisfy the needs of modern electrical installation.

Description

Permanent magnetic contactor

Technical Field

The utility model relates to a contactor, concretely relates to electric load control's sealed contactor of permanent magnetism belongs to electrical equipment technical field.

Background

The contactor is an electric appliance which utilizes the current flowing through the coil to generate a magnetic field to close the contact so as to control the load, when the coil of the contactor is electrified, the coil current can generate the magnetic field, the generated magnetic field enables the static iron core to generate electromagnetic attraction to attract the movable iron core and drive the contact of the alternating current contactor to act, the normally closed contact is opened, the normally open contact is closed, and the normally closed contact and the normally open contact are linked; when the coil is powered off, the electromagnetic attraction disappears, the armature is released under the action of the release spring, the contact is restored, the normally open contact is disconnected, and the normally closed contact is closed.

When the contactor works, the contact action is realized through a magnetic field generated by electrifying the coil, the traditional contactor frequently acts, the consumed electric quantity is large, the action of the contactor is realized, meanwhile, the consumption of electric energy is effectively reduced, and the contactor becomes a hotspot for industry development.

Disclosure of Invention

The utility model provides a not enough to prior art exists, the utility model provides a permanent magnet contactor adopts the electromagnetism operating system of permanent magnetism structure, and power consumption is little, and job stabilization is reliable, and product structure is compact, small moreover, can better satisfy the needs of modern electrical installation.

In order to achieve the above purpose, the utility model provides a following technical scheme: the contactor comprises an electromagnetic working system, a contact working system and a control rod, wherein the electromagnetic working system and the contact working system are connected or disconnected through the control rod, when the contactor works, a closed pulse voltage is provided through a high-low frequency conversion controller, the electromagnetic working system is electrified to form a magnetic field to drive an armature component to swing, and an armature I drives the control rod to push a movable spring of the contact working system to realize the contact of a movable contact and a fixed contact; when the movable and static contacts are required to be separated, a reverse cut-off pulse voltage is provided, the electromagnetic working system is electrified reversely to form a reverse magnetic field, the armature component is driven to swing reversely, the armature I drives the control rod to pull the movable spring of the contact working system reversely, the movable and static contacts are separated, the product contact can be in a contact or cut-off state under the condition that continuous electrification is not required, and the electricity-saving performance is outstanding.

The utility model relates to a permanent magnet contactor, wherein electromagnetism operating system includes permanent magnet subassembly and coil pack, wherein permanent magnet subassembly comprises armature I, armature II, permanent magnet, electromagnetism mount pad, wherein the permanent magnet embedding is moulded plastics in electromagnetism mount pad middle part, adopt the armature of high magnetic conduction high strength material to lay in two curb plates of electromagnetism mount pad along the north-south dipolar symmetry of permanent magnet direction, the armature two poles of the earth magnetize respectively south pole and north pole, the magnetization of two poles extends to armature both ends, the electromagnetism mount pad is fixed on the base through a pivot in middle part, the magnetic field force that the circular telegram formed orders about the electromagnetism mount pad swing on the pivot by a small margin; the coil assembly consists of pins, an iron core, a yoke, a framework and an enameled wire, wherein forward or reverse rated pulse voltage is applied to the two pins respectively, the magnetic conducting iron core is electrified and magnetized, a bipolar magnetic field is formed at two ends of the yoke, and the framework is provided with an insert block for mounting and positioning with the base.

The utility model relates to a permanent magnet contactor, wherein the electromagnetic mounting seat is an integrated structure consisting of a side plate and a fixed block, the fixed block is arranged in the middle part, two sides of the fixed block are respectively connected with a side plate, two rectangular through holes are arranged on the side plates, and the two rectangular through holes are armature mounting holes which are in interference fit with armatures and are used as fixed mounting armatures; the fixing block is of a long strip rectangular structure, a round through hole is formed in the middle of the fixing block and matched with the rotating shaft, a small rectangular boss is arranged at the lower portion of the fixing block, a rectangular permanent magnet is embedded in the boss, and two ends of the permanent magnet are exposed and used for positioning during injection molding.

The utility model relates to a permanent magnet contactor, wherein contact work system comprises static spring and movable spring, static spring includes static contact, static reed and static spring leading-out end, and movable spring includes moving contact, movable reed and movable spring leading-out end and constitutes, and the armature that installs on the electromagnetism mount pad after circular telegram receives the magnetic field force effect, swings around the pivot, the ejector pad at armature I top promotes the control lever, and then drives the movable reed of the other end of control lever, drives the movable contact motion again, and with the static contact; when reverse pulse voltage is applied, the magnetic field acts reversely, the push block at the top end of the armature I pulls the control rod reversely to drive the movable spring at the other end of the control rod, and the movable contact is separated from the static contact.

The utility model relates to a permanent magnet contactor, wherein the movable spring piece comprises two thin slices respectively, from top to bottom is shell fragment I and shell fragment II in proper order, the movable spring piece is rectangular structure with the movable spring leading-out end corresponding one end, and is riveted and fixed with the movable spring leading-out end through three anchor points, wherein the shell fragment I is equipped with a half-circular buffering arch at the one end next to the movable spring leading-out end, the other end is equipped with an arched door mounting piece, the mounting piece is equipped with the mounting hole, the middle of the action end top of shell fragment I is equipped with the stiff end of a rectangular boss structure; the elastic piece II is a rectangular plate, a mounting hole is formed in the action end of the elastic piece II, the moving contact is riveted with the mounting piece of the elastic piece I and the elastic piece II through a rivet, the top end parts of the elastic piece I and the elastic piece II are separated from each other by virtue of elasticity, and a rectangular right-angled bent fixing hook is arranged in the middle of the top end of the elastic piece II.

A permanent magnet contactor, wherein control lever one end is equipped with a bayonet socket, and the movable contact spring inserts behind the bayonet socket, the stiff end is inserted with the fixed hook card in the bayonet socket, the other end be equipped with an caulking groove with armature I's ejector pad interference fit chucking.

The utility model has the advantages that the utility model adopts the electromagnetic working system of the permanent magnet, when working, the high-low frequency switching controller provides a closed pulse voltage, the electromagnetic system is electrified to form a magnetic field to drive the armature component to swing, the armature drives the control rod to push the movable reed of the contact system to realize the contact of the movable contact and the static contact, when the pulse voltage disappears, because the permanent magnet is arranged in the electromagnetic system, the magnetic field still exists, the movable contact and the static contact are always kept in contact by the magnetic field force, and the separation of the movable contact and the static contact can be realized only by applying a reverse pulse voltage, the traditional contactor only needs to supply power all the time, the electromagnetic working system works, the movable contact and the static contact are contacted by the left and right magnetic field force, when the power is cut off, the magnetic field force disappears, the movable contact and the static contact are separated to realize the cut-off, the electromagnetic system, the service life of electrical components is influenced by frequent power-on and power-off; the utility model discloses a permanent magnet system, wherein the permanent magnet is embedded in electromagnetism mount pad bottom, fixes armature I and armature II respectively on two curb plates of electromagnetism mount pad, through the magnetic field force in armature two poles of the earth magnetization place, makes permanent magnet subassembly swing round the pivot, drives movable contact and stationary contact point contact or disconnection through the control lever of connecting armature I and movable contact spring, the overall structure of electromagnetism operating system, contact operating system and control lever is succinct, compact, makes the product volume less than conventional product, satisfies the requirement of the small volume high density installation of modern electric elements more easily; the utility model discloses a movable contact spring comprises shell fragment I and shell fragment II from top to bottom in proper order, and movable contact spring draws forth the end riveting through three anchor point and movable contact spring and fixes together, shell fragment I is equipped with the buffering arch of a semicircle, and the other end is equipped with an arched door shape installation piece, the moving contact pass through the rivet with shell fragment I's installation piece and shell fragment II riveting are in the same place, and shell fragment I and shell fragment II's top portion relies on elasticity to part each other, adopts this kind of structure to make movable contact spring have better elasticity, and action stability and reliability are higher, the fixed hook of bending at the rectangle right angle on shell fragment II top can prevent effectively that the movable contact spring from following roll-off in the bayonet socket of control lever connects more firmly.

The present invention will be further described with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a working principle diagram (closed) of the embodiment of the present invention.

Fig. 3 is a working principle diagram (disconnected) of the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of an electromagnetic working system according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a permanent magnet assembly according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of a movable spring according to an embodiment of the present invention.

In the figure: the magnetic circuit breaker comprises a permanent magnet assembly 1, an armature 11I, a 111 push block, an armature 12 II, a permanent magnet 13, an electromagnetic mounting seat 14, a side plate 141, a fixed block 142, a coil assembly 2, a pin 21, an iron core 22, a yoke 23, a skeleton 24, an enameled wire 25, a movable spring 3, a movable contact 31, a movable spring 32, a spring piece 321I, a fixed end 3211, a buffer arch 3212, a 3213 mounting piece, a spring piece 322 II, a fixed hook 3221, a leading-out end of the movable spring 33, a static spring 4, a static contact 41, a static spring 42, a static spring 43, a leading-out end of a control rod 5, a bayonet 51, a caulking groove 52, a base 6.

Detailed Description

The embodiment of the utility model provides a permanent magnet type contactor adopts the electromagnetism operating system of permanent magnetism structure, and power consumption is little, and job stabilization is reliable, and product compact structure, small moreover can better satisfy the needs of modern electrical installation.

As shown in fig. 1, fig. 2 and fig. 3, the embodiment of the present invention provides a permanent magnetic contactor, which includes an electromagnetic working system, a contact working system and 5 control rods, the electromagnetic working system and the contact working system are inserted on a 6 base, and the two are connected or disconnected through the 5 control rods, during operation, a closed pulse voltage is provided by a high-low frequency conversion controller, the electromagnetic working system is powered on to form a magnetic field to drive an armature component to swing, 11, the armature I drives the 5 control rods to push 32 movable reeds of the contact working system, so as to realize the contact between the movable contact and the fixed contact, when the pulse voltage disappears, because 13 permanent magnets are provided in the electromagnetic working system, the magnetic field still exists, the magnetic field force keeps the 31 movable contact and the 41 fixed contact in contact all the time, and the disadvantages of frequent opening and closing of the conventional contactor and high; when the movable and static contacts are required to be separated, a reverse cut-off pulse voltage is provided, the electromagnetic working system is electrified reversely to form a reverse magnetic field, the armature component is driven to swing reversely, the 11 armature I drives the 5 control rod to pull the 32 movable reeds of the contact working system reversely, the movable and static contacts are separated, the product contact can be in a contact or cut-off state under the condition that continuous electrification is not required, and the electricity-saving performance is outstanding.

As shown in fig. 1, 4 and 5, the embodiment of the present invention provides a permanent magnetic contactor, wherein the electromagnetic working system includes 1 permanent magnetic component and 2 coil components, wherein 1 permanent magnetic component is composed of 11 armature I, 12 armature II, 13 permanent magnet, 14 electromagnetic mounting seat, wherein 13 permanent magnet is embedded and injection molded in the middle of 14 electromagnetic mounting seat, armature made of high magnetic conductivity and high strength material is symmetrically arranged in two 141 side plates of 14 electromagnetic mounting seat along 13 permanent magnet direction north-south poles, two poles of armature are respectively magnetized to south pole and north pole, two poles of armature are magnetized and extended to two ends of armature, 14 electromagnetic mounting seat is fixed on 6 bases through a 7 rotating shaft in the middle, magnetic field force formed by electrifying drives 14 electromagnetic mounting seat to swing in a small amplitude on 7 rotating shafts; the 2 coil assembly consists of 21 pins, a 22 iron core, a 23 yoke, a 24 skeleton and 25 enameled wires, wherein forward or reverse rated pulse voltage is applied to the two 21 pins respectively, the 22 iron core is electrified and magnetized, a bipolar magnetic field is formed at two ends of the 23 yoke, and an insert block is arranged on the 24 skeleton and used for mounting and positioning with the 6 base.

The embodiment of the utility model provides a permanent magnet contactor, 14 among them electromagnetism mount pads is by 141 curb plates and 142 fixed block integrated structure, and 142 fixed block sets up in the middle part, and both sides are respectively connected a 141 curb plate, are equipped with two rectangle through-holes on 141 curb plate, and these two rectangle through-holes are armature mounting holes, with armature interference fit, as fixed mounting armature; the 142 fixed block is a long strip rectangular structure, the middle of the 142 fixed block is provided with a round through hole which is matched with the 7 rotating shaft, the lower part of the 142 fixed block is provided with a small rectangular boss, a rectangular 13 permanent magnet is embedded in the boss, and two ends of the 13 permanent magnet are exposed and used for positioning during injection molding.

As shown in fig. 1, fig. 2, fig. 3, and fig. 6, the embodiment of the present invention provides a permanent magnet contactor, wherein the contact working system is composed of 4 static springs and 3 moving springs, each 4 static spring includes a 41 static contact, a 42 static spring, and a 43 static spring leading-out end, each 3 moving spring includes a 31 moving contact, a 32 moving spring, and a 33 moving spring leading-out end, after being powered on, an armature mounted on a 14 electromagnetic mounting seat is acted by a magnetic field force, and swings around a 7 rotating shaft, a 111 push block at the top end of an 11 armature I pushes a 5 control rod, and further drives the 32 moving spring at the other end of the 5 control rod, and then drives the moving contact 31 to move, and contacts with the 41 static contact; when reverse pulse voltage is applied, the magnetic field acts reversely, the 5 control rod is pulled reversely by the 111 push block at the top end of the 11 armature I, and the 32 movable contact spring at the other end of the 5 control rod is driven, so that the 31 movable contact is separated from the 41 fixed contact.

As shown in fig. 6, the embodiment of the present invention provides a permanent magnetic contactor, wherein the 32 movable spring pieces are respectively composed of two sheets, from top to bottom, 321 spring pieces I and 322 spring pieces II are sequentially provided, one end of the 32 movable spring pieces corresponding to the lead-out end of the 33 movable spring pieces is in a rectangular structure, and is riveted and fixed with the lead-out end of the 33 movable spring pieces through three anchor points, wherein one end of the 321 spring pieces I adjacent to the lead-out end of the 33 movable spring pieces is provided with a semi-circular 3212 buffer arch, the other end is provided with an arched 3213 mounting piece, the 3213 mounting piece is provided with a mounting hole, and a 3211 fixed end with a rectangular boss structure is provided in the middle of the top of the action end of the 321 spring pieces; the 322 shrapnel II is a rectangular plate, the action end of the 322 shrapnel II is provided with a mounting hole, the 31 moving contact is riveted with the 3213 mounting piece of the 321 shrapnel I and the 322 shrapnel II together through a rivet, the top end parts of the 321 shrapnel I and the 322 shrapnel II are separated from each other by virtue of elasticity, and the middle of the top end of the 322 shrapnel II is provided with a rectangular and right-angled 3221 fixing hook.

As shown in fig. 2 and fig. 3, in the permanent magnetic contactor according to the embodiment of the present invention, 5 control rod ends are provided with a 51 bayonet, 32 movable reeds are inserted into the 51 bayonet, the 3211 fixed end and the 3221 fixed hook are inserted into the 51 bayonet, and the other end is provided with a 52 caulking groove and the 11 armature I111 push block is tightly fitted and clamped.

This embodiment is used for the purpose of illustration only, and is not intended to limit the present invention, and those skilled in the art can also make corresponding deformation and modification within the scope of the present invention, so that any equivalent embodiments all belong to the scope of the present invention.

Claims

1. A permanent magnet contactor is characterized in that: the contactor comprises an electromagnetic working system, a contact working system and a control rod, wherein the electromagnetic working system and the contact working system are connected or disconnected through the control rod, when the contactor works, a closed pulse voltage is provided through a high-low frequency conversion controller, the electromagnetic working system is electrified to form a magnetic field to drive an armature component to swing, and an armature I drives the control rod to push a movable spring of the contact working system to realize the contact of a movable contact and a fixed contact; when the movable and static contacts are required to be separated, a reverse cut-off pulse voltage is provided, the electromagnetic working system is electrified reversely to form a reverse magnetic field, the armature component is driven to swing reversely, the armature I drives the control rod to pull the movable spring of the contact working system reversely, the movable and static contacts are separated, the product contact can be in a contact or cut-off state under the condition that continuous electrification is not required, and the electricity-saving performance is outstanding.

2. A permanent magnet contactor according to claim 1, wherein: the electromagnetic working system comprises a permanent magnet assembly and a coil assembly, wherein the permanent magnet assembly consists of an armature I, an armature II, a permanent magnet and an electromagnetic mounting seat, the permanent magnet is embedded and injected in the middle of the electromagnetic mounting seat, the armature made of high-permeability and high-strength material is symmetrically arranged in two side plates of the electromagnetic mounting seat along the north-south poles of the permanent magnet, the two poles of the armature are respectively magnetized into south poles and north poles, the two poles are magnetized and extended to the two ends of the armature, the electromagnetic mounting seat is fixed on a base through a rotating shaft in the middle, and the electromagnetic mounting seat is driven to swing on the rotating shaft in a small amplitude by magnetic field force formed by electrify; the coil assembly consists of pins, an iron core, a yoke, a framework and an enameled wire, wherein forward or reverse rated pulse voltage is applied to the two pins respectively, the magnetic conducting iron core is electrified and magnetized, a bipolar magnetic field is formed at two ends of the yoke, and the framework is provided with an insert block for mounting and positioning with the base.

3. A permanent magnet contactor according to claim 1 or 2, wherein: the electromagnetic mounting seat is of an integrated structure consisting of side plates and a fixing block, the fixing block is arranged in the middle, two sides of the fixing block are respectively connected with one side plate, two rectangular through holes are formed in the side plates, and the two rectangular through holes are armature mounting holes and are in interference fit with an armature to be used for fixedly mounting the armature; the fixing block is of a long strip rectangular structure, a round through hole is formed in the middle of the fixing block and matched with the rotating shaft, a small rectangular boss is arranged at the lower portion of the fixing block, a rectangular permanent magnet is embedded in the boss, and two ends of the permanent magnet are exposed and used for positioning during injection molding.

4. A permanent magnet contactor according to claim 1, wherein: the contact working system consists of a static spring and a movable spring, the static spring comprises a static contact, a static reed and a static spring leading-out end, the movable spring comprises a movable contact, a movable reed and a movable spring leading-out end, an armature mounted on the electromagnetic mounting seat after being electrified is acted by magnetic field force and swings around a rotating shaft, and a push block at the top end of the armature I pushes the control rod so as to drive the movable reed at the other end of the control rod and then drive the movable contact to move and contact with the static contact; when reverse pulse voltage is applied, the magnetic field acts reversely, the push block at the top end of the armature I pulls the control rod reversely to drive the movable spring at the other end of the control rod, and the movable contact is separated from the static contact.

5. A permanent magnet contactor according to claim 1 or 4, wherein: the movable spring piece is respectively composed of two sheets, and is sequentially provided with a spring piece I and a spring piece II from top to bottom, one end of the movable spring piece, which corresponds to a leading-out end of the movable spring, is of a rectangular structure and is riveted and fixed with the leading-out end of the movable spring through three anchor points, wherein one end of the spring piece I, which is close to the leading-out end of the movable spring, is provided with a semicircular buffering arch, the other end of the spring piece I is provided with an arch mounting piece, the mounting piece is provided with a mounting hole, and the middle of the top of an action end of the spring piece I is provided; the elastic piece II is a rectangular plate, a mounting hole is formed in the action end of the elastic piece II, the moving contact is riveted with the mounting piece of the elastic piece I and the elastic piece II through a rivet, the top end parts of the elastic piece I and the elastic piece II are separated from each other by virtue of elasticity, and a rectangular right-angled bent fixing hook is arranged in the middle of the top end of the elastic piece II.

6. A permanent magnet contactor according to claim 5, wherein: one end of the control rod is provided with a bayonet, the fixed end and the fixed hook are clamped in the bayonet after the movable spring is inserted into the bayonet, and the other end of the control rod is provided with an embedding groove which is clamped by the pushing block of the armature I in an interference fit manner.