CN216773148U

CN216773148U - Magnetic latching relay capable of switching circuit

Info

Publication number: CN216773148U
Application number: CN202220077032.1U
Authority: CN
Inventors: 邹培浩; 肖文信
Original assignee: Jiaxing Gretel Intelligent Manufacturing Co ltd
Current assignee: Jiaxing Gretel Intelligent Manufacturing Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-06-17
Anticipated expiration: 2032-01-12

Abstract

A magnetic latching relay capable of switching a circuit includes a base, a driving module, and an electrical connection module. The base comprises a driving groove, an electric connecting groove and a sliding groove. The driving module comprises an electromagnetic coil assembly, a magnetic steel assembly and a sliding block. The electric connection module comprises a static spring assembly and a movable spring assembly, and the movable spring assembly is connected with the sliding block. The static spring assembly comprises a static spring piece and two static contacts arranged on the static spring piece, and the movable spring assembly comprises a movable spring piece, a movable contact and a reset block. This magnetic latching relay that can switch circuit is through designing two pairs of quiet spring subassemblies of the same specification, and will the movable spring subassembly sets up between two sets of quiet spring subassemblies, through the removal of slider in the drive module drives movable spring subassembly and two sets of a set of butt between the quiet spring subassembly is convenient for switch the electrical components rather than being connected.

Description

Magnetic latching relay capable of switching circuit

Technical Field

The utility model relates to the technical field of relays, in particular to a magnetic latching relay capable of switching circuits.

Background

With the development of technology, many manufacturers have been equipped with dual power sources, i.e., a common main power source and a backup power source. The existing circuit switching mode often needs to disconnect a relay in a path and then connect another relay in an open circuit. The steps are complicated, and once two paths are switched on simultaneously, the electronic equipment is easily damaged, so that a relay capable of switching circuits needs to be developed.

Chinese patent CN201821385129.9 discloses a dual power switching device implemented by hardware and a relay, which includes a main power supply and a standby power supply, and further includes a power management chip, a first relay and a second relay, wherein the main power supply is electrically connected to the power management chip, and the L, N two ends of the main power supply are respectively connected to the normally closed ends of the first relay and the second relay, the L, N two ends of the standby power supply are respectively connected to the normally open ends of the first relay and the second relay, and the common end of the first relay and the second relay is connected to the power output end.

Although the purpose of switching power supply can be achieved, one or more relays are needed for control, which is not beneficial to control cost.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a magnetic latching relay capable of switching a circuit to solve the above technical problems.

A magnetic latching relay capable of switching circuits comprises a base, a driving module embedded in the base and an electric connection module embedded in the base and arranged on one side of the driving module; the base comprises a driving groove, an electric connection groove arranged on one side of the driving groove and a sliding groove arranged on one side of the driving groove and the electric connection groove; the driving module comprises an electromagnetic coil component, a magnetic steel component arranged on one side of the electromagnetic coil component, and a sliding block arranged on one side of the magnetic steel component, which is opposite to the electromagnetic coil component; the electric connection module comprises two pairs of static spring assemblies embedded on the end surfaces of two sides of the electric connection groove and a movable spring assembly positioned between the two static spring assemblies, and the movable spring assembly is connected with the sliding block; the movable spring assembly comprises a movable spring, two movable contacts and a reset block, wherein the movable contacts are arranged at two end parts of the movable spring, and the reset block is arranged between the two movable contacts.

Furthermore, one side of the driving groove, which is back to the side wall of the base, is provided with a magnetic steel rotating groove.

Furthermore, a slot is formed in the end portion, back to the electric connection slot, of the sliding slot, an opening is formed in the end face, back to the sliding slot, of the slot, and a detection switch is inserted into the slot.

Furthermore, the electromagnetic coil assembly comprises a framework which is abutted against two end parts of the driving groove in the length direction, an electromagnetic coil which is wound on the framework, and two yokes which are respectively connected to the two end parts of the framework and face the end face of the sliding groove.

Further, the magnetic steel assembly comprises a permanent magnet and a pair of abutting plates, the abutting plates are arranged on two end faces, facing the yoke, of the permanent magnet, and the length of each abutting plate is larger than the distance between the permanent magnet and the yoke.

Furthermore, a swing arm is arranged on the end face, back to the electromagnetic coil assembly, of the permanent magnet.

Furthermore, the end part of the sliding block close to the permanent magnet is provided with a swing arm hole, and the other end part of the sliding block is provided with a clamping hole; limiting grooves are formed in two end faces, parallel to the bottom face of the base, of the clamping hole; the joint hole orientation set up the fixed block on the open-ended terminal surface of base, the fixed block with it is fixed through the spiro union between the slider.

Furthermore, the clamping hole and two end faces perpendicular to the bottom surface of the base are respectively provided with a convex block.

Further, two ends of the two pairs of static reeds far away from the static contact extend to the outside of the base; and the end part of each static spring plate extending to the outer side of the base is also provided with a connecting piece.

Furthermore, clamping grooves are formed in two end faces, abutted against the clamping holes, of the movable spring pieces.

Compared with the prior art, the magnetic latching relay capable of switching circuits is convenient to switch electrical components connected with the magnetic latching relay by designing two pairs of static spring assemblies with the same specification, arranging the movable spring assembly between the two groups of static spring assemblies and driving the movable spring assembly to be abutted with one group between the two groups of static spring assemblies through the movement of the sliding block in the driving module.

Drawings

Fig. 1 is a schematic structural diagram of a magnetic latching relay capable of switching a circuit according to the present invention.

Fig. 2 is an exploded view of the magnetic latching relay capable of switching a circuit of fig. 1.

Fig. 3 is a schematic diagram showing a structure of a base provided in the magnetic latching relay capable of switching a circuit of fig. 1.

Fig. 4 is a schematic structural view of a slider included in the magnetic latching relay capable of switching a circuit of fig. 2.

Fig. 5 is a schematic structural view of a movable spring provided in the magnetic latching relay capable of switching the circuit of fig. 2.

Detailed Description

Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the utility model is not intended to limit the scope of the utility model.

As shown in fig. 1 to 5, the present invention provides a magnetic latching relay capable of switching a circuit. The magnetic latching relay capable of switching circuits includes a base 10, a driving module 20 embedded in the base 10, and an electrical connection module 30 embedded in the base 10 and disposed at one side of the driving module 20. It is conceivable that the magnetic latching relay capable of switching circuits further includes other functional structures, such as a top cover, a latch, etc., which are well known to those skilled in the art and will not be described herein.

The base 10 includes a driving groove 11, an electrical connection groove 12 provided at a side of the driving groove 11, and a sliding groove 13 provided at a side of the driving groove 11 and the electrical connection groove 12. One side of the driving groove 11, which faces away from the side wall of the base 10, is provided with a magnetic steel rotating groove 111. The driving slot 11 is used for placing the driving module 20. The magnetic steel rotating groove 111 is used for matching with the driving module 20. The electrical connection slots 12 are used to house the electrical connection modules 30. The end of the sliding groove 13 facing away from the electrical connection groove 12 is provided with a slot 14, the end face of the slot 14 facing away from the sliding groove 13 is provided with an opening 141, and a detection switch 15 is inserted into the slot 14. The detection switch 15 is provided with a plurality of outlet terminals 151, which are used for connecting with an external display device and transmitting models, so as to inform an operator of the current connection state.

The driving module 20 includes a solenoid assembly 21, a magnetic steel assembly 22 disposed on one side of the solenoid assembly 21, and a slider 23 disposed on one side of the magnetic steel assembly 22 opposite to the solenoid assembly 21.

The electromagnetic coil assembly 21 includes a frame 211 abutting against both ends in the longitudinal direction of the driving groove 11, an electromagnetic coil 212 wound around the frame 211, and two yokes 213 connected to both ends of the frame 211 toward the end faces of the slide groove 13. And the end surface of the yoke 213 facing away from the frame 211 abuts against the side wall of the driving groove 11. Thereby fixing the position of the bobbin 211 in the driving groove 11 from moving. The electromagnetic coil 212 is wound around the frame 211 to generate positive and negative poles after being electrified, thereby forming a magnetic field. The yoke 213 is L-shaped and is adapted to cooperate with the magnetic steel assembly 22.

One end of the magnetic steel assembly 22 is protruded from the magnetic steel rotating groove 111. The magnetic steel assembly 22 includes a permanent magnet 221 having a magnetic field, and a pair of abutting plates 222 disposed on both end surfaces of the permanent magnet 221 facing the yoke 213. And the length of the abutting plate 222 is greater than the distance between the permanent magnet 221 and the yoke 213. When the electromagnetic coil assembly 21 is energized to generate a magnetic field, the magnetic coil assembly interacts with the magnetic field of the permanent magnet 221, so that the permanent magnet 221 rotates along the magnetic steel rotation groove 111. The end surface of the permanent magnet 221, which faces away from the electromagnetic coil assembly 21, is provided with a swing arm 223, and the swing arm 223 is used for connecting the slider 23 and driving the slider 23 to reciprocate through the rotation of the permanent magnet 221.

The slider 23 is arranged in the sliding groove 13, the end part of the slider 23 close to the permanent magnet 221 is provided with a swing arm hole 231, and the other end part is provided with a clamping hole 232. The swing arm hole 231 is clamped and fixed with a swing arm 223 arranged on the permanent magnet 221, so that the permanent magnet 221 can drive the sliding block 23 to slide in the sliding groove 13. The clamping hole 232 is used for connecting the electrical connection module 30. Limiting grooves 233 are formed in two end faces, parallel to the bottom face of the base 10, of the clamping hole 232; the clamping hole 232 is provided with a fixing block 234 facing the end face of the opening of the base 10, and the fixing block 234 is fixed with the sliding block 23 through screw connection. The clamping hole 232 and two end faces perpendicular to the bottom surface of the base 10 are respectively provided with a convex block 235. The limiting groove 233, the fixing block 234 and the protrusion 235 are used for cooperating with the electrical connection module 30, and will be described with reference to the electrical connection module 30.

The electrical connection module 30 includes two pairs of static spring assemblies 31 embedded on two side end surfaces of the electrical connection slot 12, and a movable spring assembly 32 located between the two static spring assemblies 31.

Each of the stationary spring assemblies 31 includes two stationary spring pieces 311 disposed at intervals and abutting on one end surface of the electrical connection groove 12, and two stationary contacts 312 disposed on both end portions of the two stationary spring pieces 311 facing each other. Two ends of two pairs of stationary springs 311 far from stationary contact 312 extend to the outside of base 10 to facilitate connection with an external electrical device. And stationary contact 312 and stationary reed 311 are connected through the welding mode between them to make stationary contact 312 and stationary reed 311 be the integration, increase of service life. And two sets of the static spring assemblies 31 are symmetrically arranged in the electric connecting groove 12 and respectively abut against two opposite end faces of the electric connecting groove 12. The end of each stationary spring leaf 311 extending to the outside of the base 10 is further provided with a connecting member 313, and the connecting member 313 may be a die-cast nut or a pivoting plate.

The movable spring assembly 32 includes a movable spring 321 inserted into the engaging hole 232, two pairs of movable contacts 322 respectively disposed on two end surfaces of the movable spring 321, and a reset block 323 disposed between the two movable contacts 322. The movable contact 322 is connected to the movable spring plate 321 by welding, which also aims to prolong the service life. The movable spring piece 321 and the clamping grooves 324 are formed in the two end faces abutted to the clamping holes 232, the clamping grooves 232 are embedded in the limiting grooves 233, and the movable spring piece 321 is limited to shake. The middle area of the fixed block 234 is also provided with a limit groove 233, and the fixed block 234 and the slider 23 are fixed by screwing, so that the movable spring piece 321 can be limited to shake, and fine adjustment can be performed by adjusting the screwing degree, and the adaptability is improved. The length of the movable spring piece 321 is greater than the distance between the two stationary contacts 312, and the positions of the two pairs of movable contacts 322 on the movable spring piece 321 correspond to the stationary contacts 312 on two sides, respectively, so that when the movable spring piece 321 moves along with the slider 23, the movable contacts 322 can collide with the stationary contacts 312.

The center positions of the reset block 323 and the protrusion 235 are on the same central axis, and an elastic member 33 is disposed between the reset block 323 and the protrusion 235. One end of the elastic member 33 is sleeved on the protrusion 235, and the other end of the elastic member abuts against the central region of the reset block 323. When the movable contact 322 of the movable spring 321 has collided with the fixed contact 312 and the slider 23 is still moving, so that the movable spring 321 is about to bend, the elastic member 33 can give a supporting force in the opposite direction to the movable spring 321, so as to avoid the bending.

Compared with the prior art, the magnetic latching relay capable of switching circuits is convenient for switching electrical components connected with the magnetic latching relay by designing two pairs of static spring assemblies 31 with the same specification, arranging the movable spring assembly 32 between the two groups of static spring assemblies 31, and driving the movable spring assembly 32 to abut against one group between the two groups of static spring assemblies 31 through the movement of the sliding block 23 in the driving module 20.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.

Claims

1. A magnetic latching relay capable of switching a circuit, characterized in that: the magnetic latching relay capable of switching the circuit comprises a base, a driving module embedded in the base and an electric connection module embedded in the base and arranged on one side of the driving module; the base comprises a driving groove, an electric connection groove arranged on one side of the driving groove and a sliding groove arranged on one side of the driving groove and the electric connection groove; the driving module comprises an electromagnetic coil component, a magnetic steel component arranged on one side of the electromagnetic coil component, and a sliding block arranged on one side of the magnetic steel component, which is opposite to the electromagnetic coil component; the electric connection module comprises two pairs of static spring assemblies embedded on the end surfaces of two sides of the electric connection groove and a movable spring assembly positioned between the two static spring assemblies, and the movable spring assembly is connected with the sliding block; each static spring component comprises two static springs which are arranged at intervals and abutted against the end face of one side of the electric connection groove, and two static contacts which are arranged at the two opposite end parts of the two static springs facing each other, and each dynamic spring component comprises a dynamic spring, two dynamic contacts which are arranged at the two end parts of the dynamic spring, and a reset block which is arranged between the two dynamic contacts.

2. A magnetic latching relay capable of switching a circuit according to claim 1, characterized in that: one side of the driving groove, which is back to the side wall of the base, is provided with a magnetic steel rotating groove.

3. A magnetic latching relay capable of switching a circuit according to claim 1, characterized in that: the end part of the sliding groove, which is back to the electric connecting groove, is provided with a slot, the end surface of the slot, which is back to the sliding groove, is provided with an opening, and a detection switch is inserted in the slot.

4. A magnetic latching relay capable of switching a circuit as claimed in claim 1, wherein: the electromagnetic coil assembly comprises a framework which is connected with two end parts of the driving groove in the length direction in an abutting mode, an electromagnetic coil which is wound on the framework, and two yokes which are connected to the two end parts of the framework towards the end face of the sliding groove respectively.

5. The magnetic latching relay capable of switching a circuit of claim 4, wherein: the magnetic steel assembly comprises a permanent magnet and a pair of abutting plates, the abutting plates are arranged on two end faces of the yoke, and the length of each abutting plate is larger than the distance between the permanent magnet and the yoke.

6. The magnetic latching relay capable of switching a circuit of claim 5, wherein: and a swing arm is arranged on the end surface of the permanent magnet, which is back to the electromagnetic coil assembly.

7. The magnetic latching relay capable of switching a circuit of claim 5, wherein: the end part of the sliding block close to the permanent magnet is provided with a swing arm hole, and the other end part of the sliding block is provided with a clamping hole; limiting grooves are formed in two end faces, parallel to the bottom face of the base, of the clamping hole; the joint hole orientation set up the fixed block on the open-ended terminal surface of base, the fixed block with it is fixed through the spiro union between the slider.

8. The magnetic latching relay capable of switching a circuit of claim 7, wherein: and the clamping hole and two end faces perpendicular to the bottom surface of the base are respectively provided with a convex block.

9. A magnetic latching relay capable of switching a circuit according to claim 1, characterized in that: two ends of the two pairs of static reeds far away from the static contact extend to the outside of the base; and the end part of each static spring plate extending to the outer side of the base is also provided with a connecting piece.

10. The magnetic latching relay capable of switching a circuit of claim 7, wherein: clamping grooves are formed in the two end faces, abutted against the clamping holes, of the movable spring pieces.