CN114783830A

CN114783830A - Electromagnetic trigger type relay

Info

Publication number: CN114783830A
Application number: CN202210330609.XA
Authority: CN
Inventors: 赖怡晴
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-07-22

Abstract

The invention discloses an electromagnetic trigger relay, which comprises a plastic shell, a conductive frame, contact elements, fixed blocks, a trigger element, an insulating cover, a magnet block, a rubber block, a fixed frame, a tension steel wire, an insulating cylinder, a metal cylinder, a conductive wire, a mounting plate and a sealing plate, wherein the sealing plate is arranged on the front surface of the plastic shell; one side of the fixed block is embedded and fixed with a trigger piece which is symmetrically and synchronously disconnected, and the middle part of the trigger piece is fixedly provided with an insulating cover. The two magnets are opposite in polarity, when the current of the winding in the electromagnet reaches a rated value and the repulsive force between the electromagnet and the magnets is larger than the pulling force of the pulling steel wire and the elastic force of the elastic part, the elastic part bends to enable the supporting part to be far away from the contact pieces, the end parts of the two triggering parts are synchronously separated from the four contact pieces, and the circuit is thoroughly and quickly disconnected.

Description

Electromagnetic trigger type relay

Technical Field

The invention relates to the technical field of relays, in particular to an electromagnetic trigger type relay.

Background

A relay is a circuit element for controlling the opening and closing of a circuit, and is an electrical appliance which controls the circuit through the change of the magnitude of an input quantity, and simply closes or opens a controlled output circuit when the input quantity (such as voltage, current, temperature and the like) reaches a specified value;

at present, a relay generally realizes the closing or opening of a circuit through the activity of a trigger, a trigger point exists between the trigger and the circuit, when the contact of the trigger point is unstable or the opening is incomplete, the incomplete opening and the unstable closing are very easy to occur, and a mode for solving the problems through the series connection of two relays is also provided, but the reaction time of control can be increased by the series connection of two relays, CN202110448961.9 in the prior art, a catch bar combination structure of a high-voltage direct-current relay and the high-voltage direct-current relay, the current is closed or opened through one trigger point, and therefore, an electromagnetic trigger relay for synchronously controlling multiple trigger points to overcome the defects is needed to be provided.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, a circuit is closed or opened generally through the movement of a trigger part, a trigger point exists between the trigger part and the circuit, and incomplete opening is very easy to occur when the trigger point is unstable in contact or incomplete in opening, so that an electromagnetic trigger type relay is provided.

In order to achieve the purpose, the invention adopts the following technical scheme: an electromagnetic trigger relay comprises a plastic shell, a conductive frame, contact elements, fixed blocks, trigger elements, an insulating cover, magnet blocks, rubber blocks, a fixed frame, a tension steel wire, an insulating cylinder, a metal cylinder, a conductive wire, a mounting plate and a sealing plate, wherein the sealing plate is arranged on the front surface of the plastic shell; a trigger piece which is symmetrically and synchronously disconnected is embedded and fixed at one side of the fixed block, an insulating cover is fixedly arranged in the middle of the trigger piece, a magnet block is fixedly arranged on the inner side of the insulating cover, a fixed frame is fixedly sleeved in the middle of the trigger piece, and a tension steel wire is fixedly connected between the two fixed frames; the inner side of the plastic shell is fixedly provided with an installation plate, the surface of the installation plate is fixedly provided with an insulation cylinder, the inner wall of the insulation cylinder is provided with an iron core, and the surface of the iron core is wound with a winding; the side embedding of plastics shell is provided with four metal section of thick bamboo, and the one end of metal section of thick bamboo is run through and is provided with the metal pole, and the other end screw thread of metal section of thick bamboo has cup jointed threaded bolt, and the plug wire hole has been seted up at the middle part of metal section of thick bamboo, and the one end of metal pole is connected with the conductor wire.

Preferably, the contact element includes a conductive ring, a conductive spring and a conductive block, the conductive ring is fixedly mounted on the inner wall of the contact element, the conductive spring is fixedly mounted on the surface of the conductive ring, and the conductive block is mounted at the end of the conductive spring.

Further preferably, the trigger piece comprises a supporting portion, an elastic portion, a fixing portion, a bending portion and a contact portion, the trigger piece is integrally formed by the supporting portion, the elastic portion, the fixing portion, the bending portion and the contact portion, and the two trigger pieces are symmetrically arranged at the top and the bottom of the insulating cylinder.

Further preferably, the fixing portion is inserted into the fixing block, the elastic portion is semicircular, and the bending portion and the supporting portion are perpendicular to each other.

Preferably, the contact portions are triangular, the four contact members are symmetrically arranged on two sides of the two contact portions, and the magnet blocks are located between the support portions and the end portions of the insulating cylinders.

Further preferably, the trigger part and the contact part are both made of metal materials, the threaded plug and the fixing frame are made of insulating materials, and the four conducting wires are respectively connected to the two ends of the winding and the two trigger parts.

Further preferably, the iron core and the winding form an electromagnet, the tops of the two magnet blocks are both N poles, and the iron core and the winding form the electromagnet and the two magnet blocks are in like-pole repulsion.

Further preferably, the middle part of pulling force steel wire is the heliciform, and the pulling force steel wire makes the middle part of two trigger pieces have elasticity through two fixed frames, and the complete after-fixing frame of trigger piece just supports on the block rubber.

Further preferably, the metal rod penetrates through the side face of the plastic shell, the end portion of the metal rod is located on the side face of the wire inserting hole, and the metal rod extends to the axial direction of the circle center of the threaded bolt.

Preferably, the two ends of the conductive block are different in size and are in a T shape, the edge of one end of the conductive block is tightly attached to the end of the trigger in an arc shape, and the other end of the conductive block movably penetrates through the middle of the conductive ring.

The beneficial effects of the invention are:

1. when the current of the winding in the electromagnet reaches a rated value, and the repulsive force between the electromagnet and the magnet block is larger than the pulling force of the pulling steel wire and the elastic force of the elastic part, the elastic part bends to enable the supporting part to be far away from the contact elements, the end parts of the two trigger pieces are synchronously separated from the four contact elements, as long as the end part of one trigger piece is not in contact with the contact elements, the circuit can be ensured to be completely disconnected, and one electromagnet synchronously triggers the two trigger pieces to enable the circuit to be thoroughly and quickly disconnected;

2. the fine two conducting blocks of inserting of shape of contact site between, the conducting block has elasticity through conductive spring, and the elasticity of two conducting blocks is mutual symmetry, make two conducting blocks can the centre gripping contact site, form four contact points between contact site and the conducting block, both can ensure self conducting block and contact site contact stability, can increase another conducting block again and contact site contact stability, guarantee the stable connection between contact site and the conducting block, and as long as contact site and a conducting block contact are stable just can ensure that the circuit is closed stably, have the stable advantage of circuit closure.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a close-up schematic view of the present invention as a whole;

FIG. 3 is a broken-away schematic view of the invention as a whole;

FIG. 4 is a schematic structural view of the trigger of the present invention;

FIG. 5 is a schematic view of the structure of the insulating cover of the present invention;

FIG. 6 is a schematic view of the structure of the insulating cylinder of the present invention;

FIG. 7 is an enlarged schematic view of the metal can of the present invention;

fig. 8 is an enlarged view of the invention at a in fig. 2.

In the figure: the device comprises a plastic shell 1, a conductive frame 2, a contact element 3, a conductive ring 4, a conductive spring 5, a conductive block 6, a fixed block 7, a trigger element 8, a supporting part 81, an elastic part 82, a fixed part 83, a bent part 84, a contact part 85, an insulating cover 9, a magnet block 10, a rubber block 11, a fixed frame 12, a tension steel wire 13, an insulating cylinder 14, an iron core 15, a winding 16, a metal cylinder 17, a metal rod 18, a threaded plug pin 19, a plug wire hole 20, a conductive wire 21, an installation plate 22 and a sealing plate 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-8, an electromagnetic trigger relay includes a plastic shell 1, a conductive frame 2, a contact element 3, a fixed block 7, a trigger element 8, an insulating cover 9, a magnet block 10, a rubber block 11, a fixed frame 12, a tension steel wire 13, an insulating cylinder 14, a metal cylinder 17, a conductive wire 21, an installation plate 22 and a sealing plate 23, wherein the sealing plate 23 is installed on the front surface of the plastic shell 1, the conductive frame 2, two fixed blocks 7 and two rubber blocks 11 are fixedly installed on the inner wall of the plastic shell 1, and the contact elements 3 of four access circuits are fixedly installed at the end of the conductive frame 2; a trigger piece 8 which is symmetrically and synchronously disconnected is embedded and fixed at one side of the fixed block 7, an insulating cover 9 is fixedly arranged in the middle of the trigger piece 8, a magnet block 10 is fixedly arranged on the inner side of the insulating cover 9, a fixed frame 12 is fixedly sleeved in the middle of the trigger piece 8, and a tension steel wire 13 is fixedly connected between the two fixed frames 12; an installation plate 22 is fixedly installed on the inner side of the plastic shell 1, an insulation cylinder 14 is fixedly installed on the surface of the installation plate 22, an iron core 15 is installed on the inner wall of the insulation cylinder 14, and a winding 16 is wound on the surface of the iron core 15; the side embedding of plastic casing 1 is provided with four metal cylinder 17, and the one end of metal cylinder 17 is run through and is provided with metal pole 18, and threaded bolt 19 has been cup jointed to the other end screw thread of metal cylinder 17, and plug wire hole 20 has been seted up at the middle part of metal cylinder 17, and the one end of metal pole 18 is connected with conductor wire 21.

In this embodiment, the contact element 3 includes a conductive ring 4, a conductive spring 5 and a conductive block 6, the conductive ring 4 is fixedly installed on the inner wall of the contact element 3, the conductive spring 5 is fixedly installed on the surface of the conductive ring 4, the conductive block 6 is installed on the end portion of the conductive spring 5, two ends of the conductive block 6 are different in size and are in a T shape, one end edge of the conductive block 6 is tightly attached to the end portion of the trigger element 8 in an arc shape, and the other end of the conductive block 6 movably penetrates through the middle of the conductive ring 4;

during the concrete implementation, the fine insertion of shape of contact portion 85 is between two conducting blocks 6, the conducting block has elasticity through conducting spring 5, and the elasticity of two conducting blocks 6 is symmetrical each other, make two conducting blocks 6 can grasp contact portion 85, both can ensure self conducting block 3 and contact portion 85 contact stably, can increase another conducting block 6 and contact portion 85 contact stably again, guarantee the stable connection between contact portion 85 and the conducting block 6, and as long as contact portion 85 and a conducting block 6 contact stably just can ensure that the circuit is closed stably, have the stable advantage of circuit closure.

In this embodiment, the triggering member 8 includes a supporting portion 81, an elastic portion 82, a fixing portion 83, a bending portion 84 and a contact portion 85, the triggering member 8 is integrally formed by the supporting portion 81, the elastic portion 82, the fixing portion 83, the bending portion 84 and the contact portion 85, the two triggering members 8 are symmetrically disposed at the top and the bottom of the insulating cylinder 14, the fixing portion 83 is inserted into the fixing block 7, the elastic portion 82 is semicircular, the bending portion 84 and the supporting portion 81 are kept vertical, the contact portion 85 is triangular, the four contact members 3 are symmetrically disposed at two sides of the two contact portions 85, respectively, and the magnet block 10 is located between the supporting portion 81 and the end of the insulating cylinder 14;

in specific implementation, like poles of the electromagnet and the two magnet blocks 10 repel each other, when the current of the winding 16 in the electromagnet reaches a rated value, the repulsive force between the electromagnet and the magnet blocks 10 is larger than the pulling force of the pulling steel wire 13 and the elastic force of the elastic part 82, the elastic part 82 bends to enable the supporting part 81 to be far away from the contact element 3, the end parts of the two trigger pieces 8 are synchronously separated from the four contact elements 3, as long as the end part of one trigger piece 8 is not in contact with the contact element 3, the circuit can be completely disconnected, one electromagnet synchronously triggers the two trigger pieces 8, and the circuit is completely and quickly disconnected.

Preferably, the trigger 8 and the contact 3 are both made of metal, the threaded plug 19 and the fixing frame 12 are made of insulating material, and the four conductive wires 21 are respectively connected to two ends of the winding 16 and the two trigger 8, so that the two metal rods 18 are respectively electrically connected to the two trigger 8, and the other two metal rods 18 are electrically connected to two ends of the winding 16.

Preferably, the iron core 15 and the winding 16 form an electromagnet, the tops of the two magnet blocks 10 are both N-poles, and the iron core 15 and the winding 16 form an electromagnet and repel the same poles of the two magnet blocks 10, so that the electromagnet and the two magnet blocks 10 can synchronously repel each other, and the electromagnet can synchronously control the triggering of the two triggering pieces 8.

Preferably, the middle part of the tension steel wire 13 is spiral, the tension steel wire 13 enables the middle parts of the two trigger parts 8 to have elastic force through the two fixing frames 12, the complete rear fixing frame 12 of the trigger part 8 just supports on the rubber block 11, the tension of the tension steel wire 13 can ensure that the trigger part 8 is stably contacted with the contact part 3, and the circuit is stably closed.

Preferably, the metal rod 18 penetrates through the side face of the plastic shell 1, the end part of the metal rod 18 is located on the side face of the wire insertion hole 20, the metal rod 18 extends to the axial direction of the circle center of the threaded bolt 19, the threaded bolt 19 can move in the metal cylinder 17, the threaded bolt 19 enables an external circuit to be stably connected with the metal rod 18, and wiring is very convenient and stable.

In the invention, when in installation, the electric wire of the control circuit is inserted into the two outer metal cylinders 17, the electric wire of the input circuit is inserted into the two inner metal cylinders 17, and then the threaded bolt 19 is rotated to move in the metal cylinders 17 to press the electric wire tightly, thereby ensuring the stable connection between the electric wire and the metal rod 18;

when the current of the winding 16 in the electromagnet reaches a rated value, the repulsive force between the electromagnet and the magnet block 10 is larger than the pulling force of the pulling steel wire 13 and the elastic force of the elastic part 82, the elastic part 82 bends to make the supporting part 81 far away from the contact element 3, the fixing frame 12 is pressed against the rubber block 11, the end parts of the two triggering parts 8 are synchronously separated from the four contact elements 3, the pulling steel wire 13 is stretched, as shown in the attached drawing 3 of the specification, the two triggering parts 8 can not form a current loop, the control electricity is in an off state, when the current of the input circuit is smaller than the rated value, the repulsive force between the electromagnet and the magnet block 10 is smaller than the pulling force of the pulling steel wire 13 and the elastic force of the elastic part 82, the elastic part 82 and the pulling steel wire 13 rebounds to pull the supporting part 81 to be close to the contact element 3, so that the two triggering parts 8 are respectively pressed against the four conductive blocks 6, the two contact parts 85 are respectively clamped by the four conductive blocks 6 at the left and right, current flows through the conductive blocks 6, the contact elements 3 and the conductive frame 2, so that the two trigger elements 8 form a current loop, as shown in the attached figure 2 of the specification, and the control circuit is in a closed state.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. An electromagnetic trigger relay comprises a plastic shell (1), a conductive frame (2), contact elements (3), fixed blocks (7), trigger elements (8), an insulating cover (9), a magnet block (10), a rubber block (11), a fixed frame (12), a tension steel wire (13), an insulating cylinder (14), a metal cylinder (17), a conductive wire (21), a mounting plate (22) and a sealing plate (23), wherein the sealing plate (23) is installed on the front surface of the plastic shell (1), the conductive frame (2), the two fixed blocks (7) and the two rubber blocks (11) are fixedly installed on the inner wall of the plastic shell (1), and the end parts of the conductive frame (2) are fixedly provided with the four contact elements (3) connected with a circuit; the method is characterized in that: a trigger piece (8) which is symmetrically and synchronously disconnected in position is embedded and fixed into one side of the fixed block (7), an insulating cover (9) is fixedly installed in the middle of the trigger piece (8), a magnet block (10) is fixedly installed on the inner side of the insulating cover (9), a fixed frame (12) is fixedly sleeved in the middle of the trigger piece (8), and a tension steel wire (13) is fixedly connected between the two fixed frames (12);

an installation plate (22) is fixedly installed on the inner side of the plastic shell (1), an insulation cylinder (14) is fixedly installed on the surface of the installation plate (22), an iron core (15) is installed on the inner wall of the insulation cylinder (14), and a winding (16) is wound on the surface of the iron core (15);

the side embedding of plastics shell (1) is provided with four metal section of thick bamboo (17), and the one end of metal section of thick bamboo (17) is run through and is provided with metal pole (18), and threaded bolt (19) have been cup jointed to the other end screw thread of metal section of thick bamboo (17), and plug wire hole (20) have been seted up in the middle part of metal section of thick bamboo (17), and the one end of metal pole (18) is connected with conductor wire (21).

2. The electromagnetic trigger relay according to claim 1, wherein the contact member (3) comprises a conductive ring (4), a conductive spring (5) and a conductive block (6), the conductive ring (4) is fixedly mounted on the inner wall of the contact member (3), the conductive spring (5) is fixedly mounted on the surface of the conductive ring (4), and the conductive block (6) is mounted at the end of the conductive spring (5).

3. The electromagnetic trigger relay according to claim 1, wherein the trigger member (8) comprises a support portion (81), an elastic portion (82), a fixing portion (83), a bending portion (84) and a contact portion (85), the trigger member (8) is integrally formed by the support portion (81), the elastic portion (82), the fixing portion (83), the bending portion (84) and the contact portion (85), and the two trigger members (8) are symmetrically arranged at the top and the bottom of the insulating cylinder (14).

4. An electromagnetic trigger relay according to claim 3, characterized in that the fixing part (83) is inserted into the fixing block (7), the elastic part (82) is semicircular, and the bending part (84) and the supporting part (81) are kept vertical.

5. An electromagnetic trigger relay according to claim 3, characterized in that the contact portions (85) are triangular, four contact elements (3) are symmetrically arranged on both sides of two contact portions (85), respectively, and the magnet block (10) is located between the support portion (81) and the end of the insulating cylinder (14).

6. The electromagnetic trigger relay according to claim 1, characterized in that the trigger member (8) and the contact member (3) are both made of metal, the threaded plug (19) and the fixing frame (12) are made of insulating material, and four conductive wires (21) are connected to two ends of the winding (16) and the two trigger members (8) respectively.

7. An electromagnetic trigger relay according to claim 1, characterized in that the core (15) and the winding (16) constitute an electromagnet, the tops of the two magnet blocks (10) are both N-poles, and the core (15) and the winding (16) constitute an electromagnet which is like-poles repellent to the two magnet blocks (10).

8. An electromagnetic trigger relay according to claim 1, characterized in that the tension wire (13) is spiral in the middle, and the tension wire (13) provides the elastic force in the middle of the two triggers (8) through the two fixing frames (12).

9. An electromagnetic triggered relay according to claim 1 characterized in that the metal rod (18) extends through the side of the plastic housing (1), the end of the metal rod (18) being located at the side of the wire insertion hole (20).

10. The electromagnetic trigger relay according to claim 2, wherein the two ends of the conductive block (6) are different in size and form a T shape, one end edge of the conductive block (6) is tightly attached to the end of the trigger (8) in an arc shape, and the other end of the conductive block (6) movably penetrates through the middle of the conductive ring (4).