CN219017543U

CN219017543U - Multi-group contact relay

Info

Publication number: CN219017543U
Application number: CN202223213127.0U
Authority: CN
Inventors: 舒小强; 舒洪朝; 陈宜才; 施健
Original assignee: Ningbo Yod Electronic Technology Co ltd
Current assignee: Ningbo Yod Electronic Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-12
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to the technical field of relays, and discloses a multi-group contact relay, which comprises: the main body is provided with two static contact pieces, and each static contact piece is provided with at least two static contacts; at least two movable contact pieces are movably arranged between the two fixed contact pieces, the movable contact pieces are provided with movable contacts, and the movable contacts can be contacted with or separated from the fixed contacts on the two fixed contact pieces; the driving assembly comprises a plurality of electromagnets and a plurality of armatures which are arranged side by side, the armatures are movably arranged on the main body, the electromagnets can drive the armatures to rotate, and the movable contact pieces are respectively connected with the armatures. The utility model has the advantages that the relay is provided with a plurality of groups of contact combinations and is controlled by a plurality of electromagnets, thereby meeting the control requirements of winch wire reeling, wire unreeling, wire reeling stopping and wire unreeling stopping, replacing the existing contactor and further reducing the cost of winch installation; and the structure is compact, the occupied space is small, and the material and manufacturing cost are reduced.

Description

Multi-group contact relay

Technical Field

The utility model relates to the technical field of relays, in particular to a multi-group contact relay.

Background

The relay is an automatic switching element with an isolation function, is widely applied to remote control, remote measurement, communication, automatic control, electromechanical integration and power electronic equipment, and is one of the most important control elements.

Winch is usually installed on off-road vehicles to save oneself and rescue in severe environments such as snowfield, swamps, deserts, beach, muddy mountain roads, etc., and to perform operations such as removing obstacles, dragging objects, installing facilities, etc. under other conditions. The existing winch is usually controlled by a contactor for winding and unwinding, however, when the existing winch is controlled by the contactor, the existing winch is high in manufacturing cost due to the fact that the contacts are more, the whole structure is complex, and the automatic production difficulty is high; the parts are more, and the occupied space is large; meanwhile, the existing relay cannot meet the actual control requirement of a winch.

Disclosure of Invention

Aiming at the defects existing in the prior art, the technical problem to be solved by the utility model is to provide a multi-group contact relay with low manufacturing cost and compact structure.

The utility model solves the technical problems by providing a multi-group contact relay, which comprises:

the device comprises a main body, wherein two static contact pieces are arranged on the main body, and at least two static contacts are arranged on each static contact piece;

at least two movable contact pieces are movably arranged between the two static contact pieces, the movable contact pieces are provided with movable contacts, and the movable contacts can be contacted with or separated from the static contact points on the two static contact pieces;

the driving assembly comprises a plurality of electromagnets and a plurality of armatures which are arranged side by side, the armatures are movably arranged on the main body, the electromagnets can drive the armatures to rotate, and the movable contact pieces are respectively connected with the armatures.

Further, the stationary contact comprises a first stationary contact and a second stationary contact, the stationary contact on the first stationary contact comprises a first stationary contact and a second stationary contact, and the stationary contact on the second stationary contact comprises a third stationary contact and a fourth stationary contact;

the movable contact comprises a first movable contact and a second movable contact, the movable contact on the first movable contact is a first movable contact, the movable contact on the second movable contact is a second movable contact, the first movable contact can be contacted with or separated from the first fixed contact and the third fixed contact, and the second movable contact can be contacted with or separated from the second fixed contact and the fourth fixed contact.

Further, when the first movable contact is in contact with the third stationary contact, the second movable contact is in contact with the second stationary contact; when the second movable contact is in contact with the fourth stationary contact, the first movable contact is in contact with the first stationary contact.

Further, the driving assembly further comprises a first insulating connecting sheet and a second insulating connecting sheet, the armature comprises a first armature and a second armature, two ends of the first insulating connecting sheet are respectively connected with the first armature and the first movable contact sheet, and two ends of the second insulating connecting sheet are respectively connected with the second armature and the second movable contact sheet.

Further, the electromagnet comprises a first electromagnet and a second electromagnet, the first electromagnet and the second electromagnet comprise iron cores and coils, and the coils are electrified to drive the first armature and the second armature to rotate.

Further, when the first electromagnet is electrified, the second electromagnet is powered off; when the second electromagnet is electrified, the first electromagnet is powered off.

Further, the driving assembly further comprises a first spring and a second spring, the main body comprises two supporting plates, the first armature and the second armature are respectively hinged to the two supporting plates, one ends of the first spring and the second spring are respectively connected to the two supporting plates, and the other ends of the first spring and the second spring are respectively connected to the first armature and the second armature.

Further, the driving assembly further comprises a control circuit board, the control circuit board is arranged on one side, far away from the supporting plate, of the main body, and the second static contact piece is electrically connected with the control circuit board.

Compared with the prior art, the utility model has at least the following beneficial effects:

according to the utility model, the relay is provided with a plurality of static contact pieces and a plurality of movable contact pieces, so that the whole relay is provided with a plurality of groups of contact combinations, and is controlled by a plurality of electromagnets, so that the control requirements of winch wire reeling, paying-off, wire reeling stopping and paying-off stopping are met, the existing contactor is replaced, and the winch installation cost is reduced; the winch is usually arranged in the front bumper of the vehicle and connected with the frame, and when the relay is used for the winding and unwinding control of the winch, only two movable contact pieces are required to be arranged to be matched with the static contact pieces, so that the structure is compact, and the occupied space is small; meanwhile, compared with a contactor, the relay has fewer relay contacts, so that the material and manufacturing cost are reduced; in addition, a plurality of electromagnets are mutually independent, so that the switching of the wire winding and paying-off work is ensured.

Drawings

FIG. 1 is a schematic diagram of a multi-set contact relay of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a front view of FIG. 2;

FIG. 4 is an exploded view of a portion of the structure of FIG. 2;

fig. 5 is a schematic structural diagram of the first movable contact.

In the figure:

100. a main body; 110. a support plate; 210. the first static contact piece; 211. a first stationary contact; 212. a second stationary contact; 220. the second static contact piece; 221. a third stationary contact; 222. a fourth stationary contact; 310. the first movable contact piece; 311. a first movable contact; 320. the second movable contact piece; 321. a second movable contact; 400. a drive assembly; 410. an electromagnet; 411. a first electromagnet; 412. a second electromagnet; 411a, iron core; 411b, a coil; 420. an armature; 421. a first armature; 422. a second armature; 430. a first insulating connecting piece; 440. a second insulating connecting piece; 450. a first spring; 460. a second spring; 500. and a control circuit board.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1-5, a multi-group contact relay includes: the device comprises a main body 100, wherein two static contact pieces are arranged on the main body 100, and at least two static contacts are arranged on each static contact piece; at least two movable contact pieces are movably arranged between the two static contact pieces, the movable contact pieces are provided with movable contacts, and the movable contacts can be contacted with or separated from the static contact points on the two static contact pieces; the driving assembly 400 includes a plurality of electromagnets 410 and a plurality of armatures 420, wherein the electromagnets 410 and the armatures 420 are arranged side by side, the armatures 420 are movably arranged on the main body 100, the electromagnets 410 can drive the armatures 420 to rotate, and the movable contact pieces are respectively connected with the armatures 420.

Specifically, the relay in this embodiment sets a plurality of stationary contacts and a plurality of movable contacts, where the plurality of movable contacts are driven by a plurality of electromagnets 410 respectively, so as to implement contact or separation switching between each movable contact and the stationary contact; when the power supply is in actual use, the two static contact pieces are respectively connected with the positive electrode and the negative electrode of the power supply, and the plurality of static contact points on each static contact piece are connected together, so that when the plurality of movable contact pieces rotate between the two static contact pieces and change the contact positions of the movable contact points and the static contact points, the on-off of a circuit and the switching of the positive electrode and the negative electrode can be realized; when the relay is applied to the off-road vehicle, the operation of winding, paying-off, winding stopping and paying-off stopping of the winch can be controlled.

In this embodiment, the stationary contact includes a first stationary contact 210 and a second stationary contact 220, the stationary contact on the first stationary contact 210 includes a first stationary contact 211 and a second stationary contact 212, and the stationary contact on the second stationary contact 220 includes a third stationary contact 221 and a fourth stationary contact 222; the movable contact pieces comprise a first movable contact piece 310 and a second movable contact piece 320, the movable contact point on the first movable contact piece 310 is a first movable contact point 311, the movable contact point on the second movable contact piece 320 is a second movable contact point 321, the first movable contact point 311 can be contacted with or separated from the first fixed contact point 211 and the third fixed contact point 221, and the second movable contact point 321 can be contacted with or separated from the second fixed contact point 212 and the fourth fixed contact point 222. In the scheme, two groups of loops are formed by the two movable contacts and the four fixed contacts, and the current directions of the two groups of loops are opposite, so that the conversion of the circuit is realized.

When the relay is actually applied to the winch control operation of the off-road vehicle, when the electromagnet 410 does not work, the first movable contact 311 is contacted with the first fixed contact 211, the second movable contact 321 is contacted with the second fixed contact 212, and the wire winding or unwinding operation of the winch is stopped at the moment; when the first movable contact 311 contacts the third stationary contact 221, the second movable contact 321 contacts the second stationary contact 212, and the winch performs a wire winding operation; when the second movable contact 321 contacts the fourth stationary contact 222, the first movable contact 311 contacts the first stationary contact 211, and the winch performs a paying-out operation; namely, the switching of the winch winding and unwinding operation can be realized through the switching of the contact between the first movable contact 311 and the second movable contact 321 and each fixed contact; it should be noted that, each electromagnet 410 does not operate simultaneously, i.e., at least one of the first movable contact 311 and the second movable contact 321 is in contact with the stationary contact on the first stationary contact 210.

As shown in fig. 1 and 4, the driving assembly 400 further includes a first insulating connecting piece 430 and a second insulating connecting piece 440, the armature 420 includes a first armature 421 and a second armature 422, two ends of the first insulating connecting piece 430 are respectively connected to the first armature 421 and the first movable contact 310, and two ends of the second insulating connecting piece 440 are respectively connected to the second armature 422 and the second movable contact 320. In actual use, one ends of the first insulating connecting piece 430 and the second insulating connecting piece 440 are respectively riveted on the first armature 421 and the second armature 422, the first movable contact 310 and the second movable contact 320 are respectively riveted on the other ends of the first insulating connecting piece 430 and the second insulating connecting piece 440, and the first movable contact 311 and the second movable contact 321 respectively comprise an upper portion and a lower portion located on the first insulating connecting piece 430 and the second insulating connecting piece 440.

In actual use, the electromagnet 410 includes a first electromagnet 411 and a second electromagnet 412, the first electromagnet 411 and the second electromagnet 412 each include a core 411a and a coil 411b, and the coil 411b is energized to drive the first armature 421 and the second armature 422 to rotate. That is, the coil 411b is energized to make the iron core 411a have magnetism, so as to absorb the first armature 421 and the second armature 422 to rotate, and further drive the first movable contact 310 and the second movable contact 320 to move.

Wherein, when the first electromagnet 411 is energized, the second electromagnet 412 is de-energized; when the second electromagnet 412 is energized, the first electromagnet 411 is de-energized. I.e. the first electromagnet 411 and the second electromagnet 412 are operated alternately to realize on-off of each circuit.

The driving assembly 400 further includes a first spring 450 and a second spring 460, the main body 100 includes two support plates 110, the first armature 421 and the second armature 422 are respectively hinged to the two support plates 110, one ends of the first spring 450 and the second spring 460 are respectively connected to the two support plates 110, and the other ends of the first spring 450 and the second spring 460 are respectively connected to the first armature 421 and the second armature 422. The first spring 450 and the second spring 460 enable the armature 420 to return after the electromagnet 410 is de-energized, separating the movable contact on the movable contact from the stationary contact on the second stationary contact 220.

Further preferably, the driving assembly 400 further includes a control circuit board 500, the control circuit board 500 is disposed on a side of the main body 100 remote from the support plate 110, and the second stationary contact 220 is electrically connected to the control circuit board 500. I.e. the stationary contact on the second stationary contact 220 is connected to the control circuit board 500 at a point to realize the switching of the circuit.

In this scheme, this multiunit contact relay is through setting up a plurality of movable contact and a plurality of stationary contact, and a plurality of multicontact independent control to realize the break-make and the switching of circuit, compare in traditional contactor, contact quantity reduces, only need two sets of movable contact and stationary contact's cooperation can, compact structure, low in manufacturing cost.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

Claims

1. A multi-group contact relay, comprising:

2. The multiple-set contact relay of claim 1, wherein the stationary contact comprises a first stationary contact and a second stationary contact, the stationary contact on the first stationary contact comprises a first stationary contact and a second stationary contact, the stationary contact on the second stationary contact comprises a third stationary contact and a fourth stationary contact;

3. The multiple-contact relay of claim 2, wherein the second movable contact is in contact with the second stationary contact when the first movable contact is in contact with the third stationary contact; when the second movable contact is in contact with the fourth stationary contact, the first movable contact is in contact with the first stationary contact.

4. The multiple-contact relay of claim 2, wherein the drive assembly further comprises a first insulating connecting piece and a second insulating connecting piece, the armature comprises a first armature and a second armature, two ends of the first insulating connecting piece are respectively connected with the first armature and the first movable contact piece, and two ends of the second insulating connecting piece are respectively connected with the second armature and the second movable contact piece.

5. The multiple-contact relay of claim 4, wherein the electromagnet comprises a first electromagnet and a second electromagnet, each comprising an iron core and a coil, the coils energized to drive rotation of the first armature and the second armature.

6. The multiple-bank contact relay of claim 5, wherein the second electromagnet is de-energized when the first electromagnet is energized; when the second electromagnet is electrified, the first electromagnet is powered off.

7. The multiple-contact relay of claim 4, wherein the drive assembly further comprises a first spring and a second spring, the body comprises two support plates, the first armature and the second armature are respectively hinged on the two support plates, one ends of the first spring and the second spring are respectively connected on the two support plates, and the other ends of the first spring and the second spring are respectively connected on the first armature and the second armature.

8. The multiple-contact relay of claim 7, wherein the drive assembly further comprises a control circuit board disposed on a side of the body remote from the support plate, the second stationary contact being electrically connected to the control circuit board.