CN210223897U

CN210223897U - Relay flexible connection structure and relay coupling assembling

Info

Publication number: CN210223897U
Application number: CN201921168238.XU
Authority: CN
Inventors: Fei Wang; 王飞; Baodi Jiang; 江宝迪; Renhua Wu; 吴壬华
Original assignee: Shenzhen Shinry Technologies Co Ltd
Current assignee: Shenzhen Shinry Technologies Co Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-03-31
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a relay flexible connection structure for lead with relay and conductive element in the voltage converter and connect, relay flexible connection structure includes a plurality of guide connection pieces, a plurality of guide connection piece range upon range of welding constitute the flexonics row together, the flexonics row includes elastic segment and the first that links to each other with the elastic segment, the second canned paragraph, it is first, the second canned paragraph is located the elastic segment both sides respectively, first canned paragraph is fixed with the relay and switches on, the second canned paragraph is fixed with conductive element and switches on, the elastic segment is buckled by the one end of first canned paragraph and is formed, and the one end of keeping away from first canned paragraph is connected with the second canned paragraph, it is first, the surface of second canned paragraph has the metalwork through specific welding technology welding, so that the hardness of first, second canned paragraph is higher than the elastic segment. The utility model discloses still disclose a relay coupling assembling. The utility model discloses a relay flexible connection structure can be effectual electrically conductive with the relay contact to reduce its calorific capacity, prolong its life.

Description

Relay flexible connection structure and relay coupling assembling

Technical Field

The utility model relates to a new energy automobile technical field especially relates to a relay flexible connection structure and relay coupling assembling.

Background

In the new energy automobile field, often adopt hard copper bar and relay to be connected and then transmission current among the fuel cell system, because hard copper bar installation requires highly and the junction is easy pine to take off for thereby easy contact failure makes the relay easily produce the thermal resistance when hard copper bar and relay are fixed, and then makes the relay generate heat seriously, influences the life of relay.

SUMMERY OF THE UTILITY MODEL

The utility model provides a relay flexible connection structure and relay coupling assembling has avoided the contact failure when being connected with the relay, can effectually electrically conduct with the relay contact, reduces contact area's calorific capacity, prolongs the life of relay.

The utility model provides a relay flexible connection structure, which is used for connecting a relay in a voltage converter with a conductive element in a conductive way, the relay flexible connection structure comprises a plurality of guide connecting pieces, the guide connecting pieces are stacked and welded together to form a flexible connection row, the flexible connecting row comprises a first fixed section, a second fixed section and an elastic section, the first fixed section and the second fixed section are respectively positioned at two sides of the elastic section, the first fixed section is fixed with the relay and is conducted, the second fixed section is fixed with the conductive element and is conducted, the elastic section is formed by bending one end of the first fixed section, and one end of the elastic section, which is far away from the first fixed section, is connected with the second fixed section, and metal parts are welded on the surfaces of the first fixed section and the second fixed section through a specific welding process, so that the hardness of the first fixed section and the second fixed section is higher than that of the elastic section.

In one embodiment, the first fixing section is provided with a first mounting hole penetrating through the first fixing section, the relay is provided with a first threaded hole corresponding to the first mounting hole, and the first fixing section and the relay are fixed through threaded connection.

In one embodiment, a second mounting hole penetrating through the second fixing section is formed in the second fixing section, a second threaded hole corresponding to the second mounting hole is formed in the conductive element, and the second fixing section and the conductive element are fixed through threaded connection.

In one embodiment, the thickness of each guide connecting piece is in the range of 0.1-0.2 mm.

In one embodiment, the guide tab and the metal piece are both made of copper.

In one embodiment, the surface of the resilient section is covered with an insulating layer.

In one embodiment, the thickness of the first and second securing segments is less than or equal to the thickness of the resilient segment.

In one embodiment, the surfaces of the first and second fixing sections are provided with a metal plating layer.

In one embodiment, the bend is an arc bend, or a right angle bend, or other geometric shape bends, or a combination of multiple geometric shapes.

The utility model also provides a relay coupling assembling, relay coupling assembling includes conductive element, relay and as above-mentioned relay flexible connection structure, relay flexible connection structure be used for with the relay with the conductive element electricity is connected.

Relay flexible connection structure through a plurality of settings that lead splicing welding formula flexible connection row that becomes the integral type for can fully contact and switch on with the relay when flexible connection row's first canned paragraph is fixed with the relay, can fully contact and switch on with conductive element when flexible connection row's second canned paragraph is fixed with conductive element, thereby realize the current transmission between conductive element and the relay through flexible connection row's leading. And the elastic segment of flexonics row can carry out bending deformation to it according to circuit layout, improve the holistic shock resistance of flexonics row, thereby improve the whole outward appearance and the life of product, make it can adapt to various changes, first canned paragraph and second canned paragraph skin weld have the metalwork, thereby make the hardness promotion of first canned paragraph and second canned paragraph, intensity when guaranteeing to be connected with relay and conductive element, make to connect more firm and reliable, and reduce and relay and conductive element between the contact area's calorific capacity, thereby play the protection relay, the effect of extension relay life-span.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings required for the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a relay connection assembly provided by the present invention;

fig. 2 is a schematic view of an angle of a flexible connection structure of a relay provided by the present invention;

fig. 3 is a schematic view of another angle of the flexible connection structure of the relay provided by the present invention;

FIG. 4 is a schematic diagram of the flexible connection structure of the relay shown in FIG. 2, wherein the resilient section is covered with an insulating layer;

fig. 5 is a schematic view of a conductive element and relay assembly of the relay connection assembly shown in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a relay connection assembly 40, the relay connection assembly 40 includes a conductive element 30, a relay 20 and a relay flexible connection structure 10, and the relay flexible connection structure 10 is used to electrically connect the relay 20 and the conductive element 30. In this embodiment, the relay connection assembly 40 is disposed inside a dc-dc power converter (not shown), that is, the conductive element 30 and the relay 20 are disposed inside a housing of the dc-dc converter at intervals, and the electrical connection between the conductive element 30 and the relay 20 is realized through the relay flexible connection structure 10. Wherein the plate-like structure carrying the conductive element 30 and the relay 20 shown in fig. 1 is a part of the housing of the dc-dc converter.

In this embodiment, the conductive element 30 is a conductive copper pillar, the shape of which may be specifically set according to actual needs, the conductive copper pillar is electrically connected to the positive electrode or the negative electrode of the internal circuit of the power converter, the current passing through the conductive copper pillar may be transmitted to the relay 20 through the flexible relay connection structure 10, and the current may be transmitted to other electronic elements, such as a capacitor, connected to the relay 20 through the relay 20, so that the relay 20 may implement relay protection and transmit an intermediate signal. In other embodiments, the conductive element 30 may also be other elements that can perform a conductive function, and is not limited herein.

Referring to fig. 1 and fig. 2, the present invention provides a flexible relay connection structure 10, in which the flexible relay connection structure 10 is used for connecting a relay 20 in a voltage converter (not shown) to a conductive element 30 in a relay connection assembly 40 provided in the present application. The relay flexible connection structure 10 includes a plurality of guide tabs (not shown), a plurality of the guide tabs are stacked and welded together to form a flexible connection row 11, the flexible connecting row 11 comprises an elastic segment 113 and a first fixed segment 111 and a second fixed segment 112 connected with the elastic segment, the first fixing segment 111 and the second fixing segment 112 are respectively located at both sides of the elastic segment 113, the first fixing segment 111 is fixed to and conducted with the relay 20, the second fixing segment 112 is fixed to and conducted with the conductive element 30, the elastic segment 113 is formed by bending one end of the first fixing segment 111, and the end of the elastic segment 113 away from the first fixing segment 111 is connected with the second fixing segment 112, metal pieces are welded on the surfaces of the first fixing section 111 and the second fixing section 112 through a specific welding process, so that the first and

second fixing sections

111 and 112 have higher hardness than the elastic section 113.

The guide connecting piece is made of copper material with high flexibility and strong plasticity, and the thickness of each guide connecting piece is within the range of 0.1-0.2 mm. In this embodiment, the guide connecting piece is a metal copper sheet. A plurality of the conductive tabs are stacked together and formed into a flexible connection row 11 through a special welding process, and it is understood that the flexible connection row 11 is a unitary structure.

The flexible connection bar 11 includes a first fixed section 111 fixedly connected to the relay 20, a second fixed section 112 fixedly connected to the conductive element 30, and an elastic section 113 located between the first fixed section 111 and the second fixed section 112 and connected to both the first fixed section 111 and the second fixed section 112 in a bending manner.

In this embodiment, the height of the conductive element 30 is lower than that of the relay 20, so that a certain height difference is formed between the relay 20 and the conductive element 30, one end of the first fixing section 111, which is located at the conductive element 30, is bent downward to form the elastic section 113, and the other end of the elastic section 113 is connected to the second fixing section 112, where the bending is an arc-shaped bending. In particular, the shape of the elastic segment 113 is approximately "S" shaped. The elastic section 113 has the characteristics of flexible installation and shock resistance due to high plasticity, and can increase the deformation space and shock resistance buffering capacity of the flexible connecting row 11, so that the service life and the safety and reliability of the flexible connecting row 11 are improved. In other embodiments, the bend may be a right-angle bend, other geometric bends, or a combination of multiple geometric bends, and different structures may be formed according to specific products

Further, referring to fig. 2 and fig. 3, the surface of the elastic section 113 is covered with an insulating layer 114. The insulating layer 114 is arranged to prevent the elastic section 113 from being electrically conductive, so that the elastic section 113 exposed in the air is easily contacted with other conductive parts, thereby causing short circuit, ignition and the like, and to prevent the elastic section 113 from being completely attached to the relay 20, thereby increasing the superimposed resistance, further causing high temperature and affecting the safe use of the relay 20.

Referring to fig. 1, 4 and 5, a first mounting hole 115 penetrating through the first fixing section 111 is formed on the first fixing section 111, a first threaded hole 203 corresponding to the first mounting hole 115 is formed on the relay 20, and the first fixing section 111 and the relay 20 are fixed by screwing. Specifically, the relay 20 includes an input end 201 and an output end 202 that are oppositely disposed, the first threaded hole 203 is disposed at the input end 201, and when the first fixing section 111 is disposed at the input end 201 of the relay 20, a screw passes through the first mounting hole 115 and extends into the first threaded hole 203 of the relay 20, so as to fix the first fixing section 111 on the relay 20, thereby achieving the electrical connection between the flexible connection bar 11 and the relay 20.

Further, a metal piece (not shown) is welded to the surface of the first fixing section 111 through a specific welding process, and the metal piece is made of copper. The metal member completely covers the outer surface of the first fixing section 111, and is used for ensuring the connection strength between the first fixing section 111 and the relay 20 when the first fixing section 111 is fixed to the relay 20, so that the connection stability and reliability between the first fixing section 111 and the relay 20 are improved.

The second fixing section 112 is provided with a second mounting hole 116 penetrating through the second fixing section 112, the conductive element 30 is provided with a second threaded hole 302 corresponding to the second mounting hole 116, and the second fixing section 112 and the conductive element 30 are fixed by screwing. Specifically, the conductive element 30 includes a connection end 301, the second threaded hole 302 is disposed at the connection end 301, the second fixing section 112 is disposed on the connection end 301 of the conductive element 30, and a screw passes through the second mounting hole 116 and extends into the second threaded hole 302 of the conductive element 30 to fix the second fixing section 112 on the conductive element 30, so as to achieve electrical connection between the flexible connection row 11 and the conductive element 30.

Further, a metal piece (not shown) made of copper is welded to the surface of the second fixing section 112 through a specific welding process. The metal member completely covers the outer surface of the second fixing section 112, and is used for ensuring the connection strength between the second fixing section 112 and the conductive element 30 when the second fixing section 112 is fixed to the conductive element 30, so that the stability and reliability of the connection between the second fixing section 112 and the conductive element 30 are improved.

When the first fixed section 111 is fixed to and conducted with the relay 20, and the second fixed section 112 is fixed to and conducted with the conductive element 30, the elastic section 113 connecting the first fixed section 111 and the second fixed section 112 may be used to transmit the current passing through the conductive element 30 to the relay 20, so that the relay 20 may realize functions such as automatic adjustment, relay protection, and switching circuit.

Further, the surfaces of the first fixing section 111 and the second fixing section 112 are provided with a metal plating layer (not shown). The metal plating layer can be a nickel plating layer, a tin plating layer or a nickel base silver plating layer. The metal plating layer makes the first fixing section 111 and the second fixing section 112 not easily oxidized, does not easily change color, and can reduce contact resistance, energy loss, and production cost. In this embodiment, the thickness of the first fixing segment 111 and the second fixing segment 112 is smaller than that of the elastic segment 113. In other embodiments, the thickness of the first fixing segment 111 and the second fixing segment 112 may be equal to the thickness of the elastic segment 113.

Furthermore, the output terminal 202 of the relay 20 can be fixed to other electronic components such as a capacitor through another relay flexible connection structure (not shown), so that the current of the relay 20 can be transmitted to the electronic components electrically connected to the relay 20, and the relay 20 can perform the function of transmitting the intermediate signal.

Relay flexible connection structure 10 through a plurality of setting of leading splicing welding formula flexible connection row 11 that become the integral type for first canned paragraph 111 of flexible connection row 11 can fully contact and switch on with relay 20 when fixed with relay 20, can fully contact and switch on with conducting element 30 when second canned paragraph 112 of flexible connection row 11 is fixed with conducting element 30, thereby connect through leading of flexible connection row 11 and realize the current transmission between conducting element 30 and the relay 20. And the elastic section 113 of flexible connection row 11 can carry out bending deformation to it according to circuit layout, improve the holistic shock resistance of flexible connection row 11, thereby improve the whole outward appearance and the life of product, make it can adapt to various changes, first canned paragraph 111 and the 112 skin welds of second canned paragraph have the metalwork, thereby make the hardness promotion of first canned paragraph 111 and second canned paragraph 112, intensity when guaranteeing to be connected with relay 20 and conductive element 30, make to connect more firm and reliable, and reduce and relay 20 and conductive element 30 between contact area's calorific capacity, thereby play protection relay 20, the effect of extension relay 20 life-span.

The embodiments of the present invention have been described in detail, and the principles and embodiments of the present invention have been explained herein using specific embodiments, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. The utility model provides a relay flexible connection structure for lead with relay and conductive element in the voltage converter, its characterized in that, relay flexible connection structure includes a plurality of guide connection pieces, and is a plurality of guide connection piece range upon range of welding constitutes the flexonics row together, the flexonics row includes first canned paragraph, second canned paragraph and elastic segment, first canned paragraph with the relay is fixed and switches on, the second canned paragraph with conductive element is fixed and switches on, the elastic segment by the one end bending type of first canned paragraph forms, just the elastic segment is kept away from the one end of first canned paragraph with the second canned paragraph is connected, the surface welding of first canned paragraph with the second canned paragraph has the metalwork, so that the hardness of first canned paragraph with the second canned paragraph is higher than the elastic segment.

2. The flexible connection structure of the relay according to claim 1, wherein the first fixing section is provided with a first mounting hole penetrating through the first fixing section, the relay is provided with a first threaded hole corresponding to the first mounting hole, and the first fixing section and the relay are fixed by screwing.

3. The relay flexible connection structure of claim 1, wherein a second mounting hole penetrating through the second fixing section is formed in the second fixing section, a second threaded hole corresponding to the second mounting hole is formed in the conductive element, and the second fixing section and the conductive element are fixed through screwing.

4. The relay flexible connection structure of claim 1, wherein the thickness of each of the guide tabs is in a range of 0.1 mm to 0.2 mm.

5. The relay flexible connection structure of claim 4, wherein the guide tab and the metal piece are both made of copper material.

6. The relay flexible connection structure of claim 1, wherein a surface of the elastic section is coated with an insulating layer.

7. The relay flexible connection structure of claim 6, wherein the thickness of the first and second fixed segments is less than or equal to the thickness of the elastic segment.

8. The relay flexible connection structure of any one of claims 1 to 3, wherein surfaces of the first fixing section and the second fixing section are provided with a metal plating layer.

9. The relay flexible connection structure of claim 1, wherein the bend is an arc bend or a right angle bend.

10. A relay connection assembly, comprising a conductive element, a relay, and a relay flexible connection structure according to any one of claims 1-9 for electrically connecting the relay with the conductive element.