CN217955761U

CN217955761U - Clapper relay with separate arcing and contact contacts

Info

Publication number: CN217955761U
Application number: CN202221879501.8U
Authority: CN
Inventors: 覃奀垚
Original assignee: Kunshan Ruipu Electric Co ltd
Current assignee: Kunshan Ruipu Electric Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-12-02
Anticipated expiration: 2032-07-20

Abstract

The utility model discloses a clap box-like relay with disconnect-type arcing contact and contact, including parallelly connected a set of arcing contact and a set of contact that sets up to and be used for driving a set of arcing contact a set of contact earlier contact closure simultaneously after the contact switching actuating mechanism of disconnection. The utility model discloses a set up the arcing contact of earlier closed back disconnection and can bear the arcing energy of the electric arc that produces when closed or disconnection, and contact then can not receive ablation and damage owing to the back is closed with earlier disconnection to contact has effectively been protected. The utility model provides a contact can use the material that contact resistance is little, need not to consider ablation resistance ability, and loop resistance is little like this, and the temperature rise is low. And the arcing contact can use resistant material that ablates, and contact resistance can be slightly bigger than contact, but is resistant to ablation, thereby the utility model discloses can further optimize and produce the property ability, ensure to produce the stability of product performance.

Description

Clapper relay with separate arcing and contact contacts

Technical Field

The utility model relates to a relay especially relates to a clap box-like relay with disconnect-type arcing contact and contact.

Background

The relay is used as an electric control device, plays the roles of automatic adjustment, safety protection, circuit conversion and the like in a circuit, and is widely applied to the fields of electric appliances such as communication, automobiles, automatic control, household appliances and the like.

The clapper type relay is used as a common structural form of the relay, has the characteristics of simple structure, compact structure, small volume, low power and the like, and is generally applied to the power control of household electrical equipment.

However, the conventional clapper type electromagnetic relay generally adopts a pair of contacts, when the relay is disconnected, due to the arc discharge phenomenon among the contacts, the ablation phenomenon is inevitably generated on the contacts, so that the conductivity of the contacts is gradually reduced along with the increase of the use times, and the loop resistance is higher and the temperature rise and the heat rise are increased when the product is in a suction state, so that the product performance cannot be kept stable continuously. Under severe conditions, the product can be burnt, and the use of the whole set of equipment and the field safety are further influenced.

Disclosure of Invention

In order to overcome the defects, the utility model provides a clapper type relay with disconnect-type arcing contact and contact utilizes different contacts to play a role respectively when the product breaks off and when the actuation state, ensures the return circuit resistance when the product actuation state, and the contact ablation when can not be broken off influences.

The utility model discloses a solve the technical scheme that its technical problem adopted and be: the utility model provides a clapper formula relay with disconnect-type arcing contact and contact, is including parallelly connected a set of arcing contact and a set of contact that sets up, and be used for driving a set of arcing contact is relative a set of contact is the contact switching actuating mechanism who separates the disconnection after the contact closes earlier simultaneously.

As a further improvement of the present invention, the contact opening/closing driving mechanism includes a support, a coil component fixed on one side of the support, an armature having one end disposed outside one end face of the coil component and the other end bent in an L shape toward the other side face of the support, and a connecting member for connecting the other end of the armature to a moving contact of the arcing contact and the contact to be driven, the connecting member being disposed between the armature and the support to allow the armature to have a return spring in a direction opposite to the suction force of the coil component; wherein, the armature is connected with the bracket in a rotating way and forms a rotating fulcrum at the joint.

As a further improvement of the present invention, the coil assembly includes a coil bobbin, a coil bundle wound on the coil bobbin, and a magnetizer located in the axis of the coil bobbin.

As a further improvement, the armature is located both sides limit position between the pivot and its L type kink is equipped with first spring hook respectively, simultaneously the middle part both sides of support are equipped with corresponding second spring hook respectively, the both ends of returning the spring are fixed respectively on first spring hook and the second spring hook.

As a further improvement of the utility model, the connecting piece includes that first horizontal piece, second horizontal piece and both ends are connected respectively the central point of first horizontal piece and second horizontal piece puts first vertical piece, the both ends of a horizontal piece form vertical piece of second and the vertical piece of third to the perpendicular extension of direction of second horizontal piece respectively, first horizontal piece with armature fixed connection, a set of is connected respectively to vertical piece of second and the vertical piece of third two movable contacts of contact, a set of is connected respectively at the both ends of second horizontal piece two movable contacts of arcing contact.

As a further improvement of the present invention, the support is kept away from one end of the armature to another end face direction of the coil assembly extends perpendicularly, and the coil assembly is fixed on the support through the coil support.

As a further improvement of the utility model, two movable contacts of the arcing contact are arranged into an integral structure, and two movable contacts of the contact are arranged into an integral structure; one of the stationary contacts of the arcing contact and one of the stationary contacts of the contact are set to be an integral conducting structure, and the other stationary contact of the arcing contact and the other stationary contact of the contact are set to be an integral conducting structure.

As a further improvement of the present invention, the contact resistance of the contact is smaller than the contact resistance of the arcing contact.

The beneficial effects of the utility model are that: the utility model discloses a set up two sets of contact subassemblies, a set of contact and a set of arcing contact promptly, make contact subassembly when closed through contact actuating mechanism, the arcing contact that is located the distal end is closed earlier, is located and is closed behind the contact of near-end to and contact subassembly is when the separation, and the contact that is located the near-end breaks off earlier, is located and breaks off behind the arcing contact of distal end. The arcing contact which is firstly closed and then opened can bear the arcing energy of an electric arc generated in the process of closing or opening, and the contact cannot be ablated and damaged due to the fact that the contact is closed later and opened first, so that the contact is effectively protected. The utility model provides a contact can use the material that contact resistance is little, need not to consider ablation resistance ability, and return circuit resistance is little like this, and the temperature rise is low. While arcing contacts may use an ablation resistant material, the contact resistance may be slightly greater than that of contact contacts, but ablation resistant. Thereby the utility model discloses can further optimize and produce the property ability, ensure to produce the stability of performance, reduce equipment use risk.

Drawings

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

fig. 2 is a schematic view of another view structure according to an embodiment of the present invention;

fig. 3 is a schematic view of a partial structure of the connecting member according to the embodiment of the present invention;

fig. 4 is a schematic view of the contact and arcing contacts of an embodiment of the present invention in a simultaneously open state;

fig. 5 is a schematic view of the first contact state of the arcing contact according to the embodiment of the present invention;

fig. 6 is a schematic view of the embodiment of the present invention showing the simultaneous closing of the arcing contact and the contact.

The following description is made with reference to the accompanying drawings:

1. an arcing contact; 2. a contact tip; 3. a contact opening/closing drive mechanism; 31. a support; 311. a second spring hook; 32. a coil assembly; 321. a magnetizer; 322. a coil support; 33. an armature; 331. rotating a fulcrum; 332. a first spring hook; 34. a connecting member; 341. a first transverse slice; 342. a second transverse slice; 343. a first longitudinal sheet; 344. a second longitudinal panel; 345. a third longitudinal flap.

Detailed Description

The following description of a preferred embodiment of the present invention will be made in conjunction with the accompanying drawings.

Referring to fig. 1-6, for the clapper relay with separated arcing contact and contact of the present invention, the clapper relay comprises a group of arcing contacts 1 and a group of contact contacts 2 arranged in parallel, and a contact opening and closing driving mechanism 3 for driving a group of arcing contacts to contact and close first and then separate and open later relative to a group of contact contacts, which will be described in detail with reference to the attached drawings.

First, referring to fig. 1-3, the utility model discloses two sets of contact subassemblies have been set up, a set of arcing contact 1 and a set of contact 2 promptly, wherein, a set of arcing contact 1 includes two arcing stationary contacts 12 and corresponds the arcing moving contact 11 that sets up in two arcing stationary contacts 12 tops respectively, and two arcing moving contacts 11 an organic whole set up and electrical connection, and two arcing moving contacts through the drive integral type open and close with two corresponding arcing stationary contacts 11 simultaneously respectively during the switching, realize the arcing function. The group of contact contacts 2 comprises two contact fixed contacts 21 and two contact moving contacts 22 correspondingly arranged above the two contact fixed contacts respectively, the two contact moving contacts 22 are arranged in an integrated mode and are electrically connected, and the two contact moving contacts in the integrated mode are driven to be opened and closed simultaneously with the two corresponding contact fixed contacts 21 respectively during opening and closing, so that a contact function is achieved.

In order to facilitate the simplification of the structure, the arcing contact and the contact are better connected in parallel, one of the arcing stationary contacts of the arcing contact and one of the contact stationary contacts of the contact are arranged into an integral conducting structure, and during specific implementation, the two stationary contacts can be arranged on the same stationary connecting terminal to realize the integral conducting structure. Similarly, the other arcing stationary contact of the arcing contact and the other contact stationary contact of the contact are arranged into an integral conducting structure, and during specific implementation, the two stationary contacts of the arcing contact and the contact can also be arranged on the other stationary connecting terminal.

Next, referring to fig. 2, the contact opening/closing driving mechanism 3 of the present invention is a specific structure, but not limited to, the contact opening/closing driving mechanism 3 includes a support 31, a coil block 32 fixed on one side surface of the support 31, an armature 33 having one end disposed outside one end surface of the coil block and the other end bent in an L shape toward the other side surface of the support, and a connecting member 34 for connecting the other end of the armature to a movable contact of an arcing contact and a contact to be driven, the connecting member being disposed between the armature 33 and the support 31, and the armature 33 having a return spring opposite to the suction force of the coil block 32.

One end of the bracket 31, which is far away from the armature 33, extends vertically towards the other end face of the coil assembly 32, and the coil assembly 32 is fixed on the bracket 31 through the coil bracket. The armature 33 is rotatably connected to the bracket 31 and forms a rotation fulcrum 331 at the connection. The coil assembly includes a coil bobbin, a coil bundle wound around the coil bobbin, and a magnetizer 321 located at an axis of the coil bobbin. The two side positions of the armature 33 between the rotation fulcrum 331 and the L-shaped bent portion thereof are respectively provided with a first spring hook 332, the two sides of the middle portion of the bracket 31 are respectively provided with a corresponding second spring hook 311, and two ends of the return spring are respectively fixed on the first spring hook 332 and the second spring hook 311 (not marked in the figure).

Referring to fig. 3 again, the connecting member 34 includes a first transverse plate 341, a second transverse plate 342, and a first longitudinal plate 343 having two ends connected to the center of the first transverse plate and the second transverse plate, respectively, two ends of the first transverse plate 341 extend perpendicularly to the second transverse plate 342 to form a second longitudinal plate 344 and a third longitudinal plate 345, respectively, the first transverse plate 341 is fixedly connected to the armature, the second longitudinal plate 344 and the third longitudinal plate 345 are connected to two contact moving contacts of a group of contact contacts, respectively, two ends of the second transverse plate 342 are connected to two arcing moving contacts of a group of arcing contacts, respectively, so that the connecting member connects the two contact moving contacts of the contact contacts and the two arcing moving contacts of the arcing contacts into an integral structure. Through the connecting piece of above-mentioned structure is connected, rather than directly through the structural connection of slice, can reduce the connecting piece to the bearing capacity that is located the arcing contact of distal end to can be better when contact switching actuating mechanism 3 drive arcing contact and contact switching, make arcing contact and contact switching in succession, there is the delay of switching promptly between the two, thereby better reaching the arcing contact earlier contact closure when the switching drive while after the separation disconnection.

In addition, need to explain, two arcing moving contacts of arcing contact and two contact moving contacts of contact can select whether to carry out electrical connection as required between, can electric connection between two arcing moving contacts of arcing contact and two contact moving contacts of contact promptly, also can not connect to.

Referring to fig. 4, for the utility model discloses a state that two sets of contact subassembly of clapper type relay separate the disconnection simultaneously, coil outage in the coil subassembly 32 this moment promptly, armature 33 receives the effect of return spring respectively because the both sides of the other end (lower extreme in the picture) for connecting piece 34 and two arcing movable contacts 11 rather than two contact movable contact 21 and the arcing contact that are connected as an organic whole are in four stationary contact (two contact stationary contact 22 and two arcing stationary contact 12) top spaces that correspond respectively, thereby are in and the movable contact separates the off-state with stationary contact and stationary contact.

The utility model discloses at the during operation, contact switching actuating mechanism 3 moves, coil pack 32 circular telegram produces magnetic field promptly, magnetizer 321 is magnetized and is produced magnetic force, thereby act on armature 33, because armature 33 middle part is rotated with support 31 and is connected, therefore the magnetic force effect of magnetizer 31 to the coil will drive armature 33 and be close to rather than the one end (the upper end in fig. 4) that is close to, it is rotatory (rotate along clockwise in the picture) around its rotation fulcrum with support 31 to be about to drive armature 33, just so make two pairs of contact points (two pairs of arcing movable contacts and arcing stationary contacts) closure of the arcing subassembly that is located the distal end earlier, refer to fig. 5, along with the rotation of magnet 33, be located two sets of contact points (contact movable contacts and contact stationary contacts) postclosure of the contact subassembly of near-end, refer to fig. 6. The arcing contact which is contacted firstly can bear the arcing energy of the electric arc, so that the contact which is contacted later is protected from being ablated and damaged.

Similarly, when the contact assembly is disconnected, the coil in the coil assembly is powered off, the magnetic conductor 31 loses magnetic force, the armature 33 rotates counterclockwise under the action of the return spring, the contact at the near end is separated first (i.e., the contact movable contact is separated from the contact fixed contact), the arcing contact at the far end is separated later (i.e., the arcing movable contact is separated from the arcing fixed contact), the arcing contact at the later separation can bear the arcing energy of the arc, and the contact can not be ablated and damaged.

It should be noted that, the above-mentioned contact opening/closing driving mechanism 3 is not limited to the specific structural form of the structure disclosed in the present invention, as long as the driving mechanism that can realize the first contact and the later separation of the arcing contact can all realize the above-mentioned functions of the present invention, therefore, the present invention is not limited to the specific structure of the opening/closing driving mechanism.

Therefore, the utility model discloses a set up two sets of parallelly connected contact assembly, parallelly connected a set of contact and a set of arcing contact promptly, make contact assembly when closed through contact actuating mechanism, the arcing contact that is located the distal end is closed earlier, is located the contact back closure of near-end to and contact assembly when the separation, the contact that is located the near-end breaks off earlier, breaks off behind the arcing contact that is located the distal end. The arcing contact which is closed first and then opened can bear the arcing energy of electric arcs generated in the closing or opening process, and the contact can not be ablated and damaged due to the closing after and the opening first, so that the contact is effectively protected. The utility model provides a contact can use the material that contact resistance is little, need not to consider ablation resistance ability, and loop resistance is little like this, and the temperature rise is low. While arcing contacts may use ablation-resistant materials, the contact resistance may be slightly greater than that of contact contacts, but ablation-resistant. Thereby the utility model discloses can further optimize and produce the property ability, ensure to produce the stability of performance, reduce equipment use risk.

In the above description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The foregoing description is only illustrative of the preferred embodiments of the invention, which can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. While the invention has been described with reference to specific embodiments, it will be apparent to one skilled in the art that various changes and modifications can be made, and equivalents employed, without departing from the scope of the invention. All the contents that do not depart from the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention all still belong to the protection scope of the technical solution of the present invention.

Claims

1. A clapper relay with disconnect-type arcing contact and contact characterized in that: the contact switching mechanism comprises a group of arcing contacts (1) and a group of contact contacts (2) which are arranged in parallel, and a contact switching driving mechanism (3) which is used for driving the group of arcing contacts to be in contact closure and then to be separated and disconnected at the same time.

2. The clapper relay with split arcing and contact contacts as claimed in claim 1, wherein: the contact opening and closing driving mechanism comprises a support (31), a coil assembly (32) fixed on one side face of the support (31), an armature (33) with one end arranged outside one end face of the coil assembly and the other end bent towards the other side face of the support in an L shape, and a connecting piece (34) used for connecting the other end of the armature with a moving contact of the arcing contact and the contact to be driven, wherein the return spring is arranged between the armature (33) and the support (31) to enable the armature (33) to have the suction force opposite to that of the coil assembly (32); wherein the armature (33) is rotatably connected with the bracket (31) and forms a rotating fulcrum (331) at the connection.

3. Clapper relay with separate arcing and contact contacts according to claim 2, wherein: the coil component comprises a coil framework, a coil bundle wound on the coil framework and a magnetizer (321) positioned at the axis of the coil framework.

4. Clapper relay with separate arcing and contact contacts according to claim 2, wherein: the armature (33) is located two side positions between the rotary fulcrum (331) and the L-shaped bending portion of the rotary fulcrum, a first spring hook (332) is arranged on each side, meanwhile, corresponding second spring hooks (311) are arranged on two sides of the middle of the support (31), and two ends of the return spring are fixed to the first spring hook (332) and the second spring hooks (311) respectively.

5. Clapper relay with separate arcing and contact contacts according to claim 2, wherein: the connecting piece (34) comprises a first transverse piece (341), a second transverse piece (342) and a first longitudinal piece (343), two ends of the first longitudinal piece are respectively connected to the center positions of the first transverse piece and the second transverse piece, two ends of the first transverse piece (341) respectively extend in the direction of the second transverse piece (342) to form a second longitudinal piece (344) and a third longitudinal piece (345), the first transverse piece (341) is fixedly connected with the armature, the second longitudinal piece (344) and the third longitudinal piece (345) are respectively connected with two movable contacts of a group of contact contacts, and two ends of the second transverse piece (342) are respectively connected with two movable contacts of a group of arc burning contacts.

6. Clapper relay with separate arcing and contact contacts according to claim 2, wherein: one end of the bracket, which is far away from the armature, extends vertically to the direction of the other end face of the coil assembly, and the coil assembly is fixed on the bracket (31) through a coil bracket (322).

7. Clapper relay with split arcing and contact contacts according to any of the claims 1 to 6, wherein: the two movable contacts of the arcing contact are arranged into an integral structure, and the two movable contacts of the contact are arranged into an integral structure; one of the stationary contacts of the arcing contact and one of the stationary contacts of the contact are set to be an integral conducting structure, and the other stationary contact of the arcing contact and the other stationary contact of the contact are set to be an integral conducting structure.

8. The clapper relay with split arcing and contact contacts as recited in claim 1, wherein: the contact resistance of the contact contacts is less than the contact resistance of the arcing contacts.