Disclosure of Invention
Therefore, it is necessary to provide a graphite grounding band connection device and a graphite grounding band connection method for solving the problem of how to avoid the electromagnetic shielding failure of the electromagnetic shielding wall formed by the composite graphite grounding band.
A graphite grounding strap connecting device, comprising:
connecting sheets; and the number of the first and second groups,
the binding clip, with the connection piece is connected, the binding clip sets up first connecting portion, second connecting portion and third connecting portion including the interval in proper order, first connecting portion with be formed with first clearance between the second connecting portion, first clearance is used for holding the graphite line in graphite ground connection area, the second connecting portion with be formed with the second clearance between the third connecting portion, the second clearance is used for holding the metal wire in graphite ground connection area.
Above-mentioned graphite ground connection area connecting device is through seting up looks spaced first clearance and second clearance on the binding clip, thereby can set up in first clearance through the graphite line with graphite ground connection area, and set up the metal wire in graphite ground connection area in the second clearance, make the graphite line and the graphite line lug connection in two graphite ground connection areas, metal wire and metal wire lug connection, and then in avoiding traditional crimping mode, graphite line and metal wire hybrid connection that the electric conductivity property is different and the shielding wall inefficacy problem that leads to, guaranteed that two graphite ground connection area intermediate junction partial electric conductivity are not less than the electric conductivity property of graphite ground connection area body, the electromagnetic shielding performance of the shielding wall that the graphite ground connection area is connected and is formed has been improved.
In one embodiment, the graphite grounding band connecting device further comprises a connecting sleeve, the connecting sleeve is sleeved outside the jointing clamp, a third gap is formed between the connecting sleeve and the third connecting portion, and the third gap is used for accommodating the graphite wire.
In one embodiment, the number of the jointing clamps is at least two, each jointing clamp is connected with the connecting piece, and the connecting sleeve is sleeved outside each jointing clamp.
In one embodiment, the wiring directions of at least two of the wiring clamps intersect.
In one embodiment, the connection direction of the terminal clamp is parallel or approximately parallel to the connection piece.
In one embodiment, the first connecting portion, the second connecting portion and the third connecting portion are provided with anti-slip portions.
In one embodiment, the wire clamp is a metal piece formed by bending and forming the wire clamp integrally.
A graphite grounding strip connecting method comprises the following steps:
providing the graphite grounding strip connecting device;
respectively stripping the end parts of two graphite grounding belts to be connected, and separating the graphite wires of the graphite grounding belts from the metal wires;
inserting the graphite wires of the two graphite grounding belts into a first gap of the jointing clamp, and extruding the first connecting part and the second connecting part to enable the first connecting part and the second connecting part to clamp the graphite wires;
and inserting the metal wires of the two graphite grounding belts into the second gap of the jointing clamp, and extruding the second connecting part and the third connecting part to clamp the metal wires.
According to the graphite grounding belt connecting method, the graphite wires of the graphite grounding belt are arranged in the first gap, the metal wires of the graphite grounding belt are arranged in the second gap, the graphite wires of the two graphite grounding belts are directly connected with the graphite wires, the metal wires are directly connected with the metal wires, the problem that in a traditional crimping mode, the shielding wall fails due to the fact that the graphite wires and the metal wires with different conductive properties are in mixed connection is solved, the conductive property of the middle connecting part of the two graphite grounding belts is not lower than that of the graphite grounding belt body is guaranteed, and the electromagnetic shielding performance of the shielding wall formed by connecting the graphite grounding belts is improved.
In one embodiment, the graphite grounding strap connecting method further comprises the following steps:
a connecting sleeve is sleeved outside the jointing clamp, so that a third gap is formed between the connecting sleeve and a third connecting part of the jointing clamp;
and extending the graphite wire in the first gap, reversely bending the graphite wire, inserting the graphite wire into the third gap, and extruding the connecting sleeve and the third connecting part to enable the connecting sleeve and the third connecting part to clamp the graphite wire.
In one embodiment, the graphite grounding strap connecting method further comprises the following steps:
and when the graphite wires of the two graphite grounding belts are inserted into the first gap of the jointing clamp, the graphite wires of the two graphite grounding belts are mutually and alternately lapped.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The terms "first" and "second" used herein do not denote any particular order or quantity, but rather are used to distinguish one element from another.
Referring to fig. 1-3, the present embodiment provides a graphite grounding strip connecting device for connecting two graphite grounding strips 40, so that the two graphite grounding strips 40 form a shielding wall. Specifically, the graphite grounding strap connection device of an embodiment includes a connection tab 20 and a clip. Wherein the binding clips are connected to the connection pieces 20. The wire clip further includes a first connecting portion 111, a second connecting portion 112 and a third connecting portion 113 which are sequentially stacked at intervals. A first gap 114 is formed between the first connection portion 111 and the second connection portion 112, and the first gap 114 is used for accommodating the graphite wire 41 of the graphite grounding strap 40. A second gap 115 is formed between the second connection portion 112 and the third connection portion 113, and the second gap 115 is used for accommodating the metal wire 42 of the graphite grounding strap 40.
Specifically, as shown in fig. 3, the graphite ground strap 40 includes a plurality of graphite wires 41 and a metal wire 42 disposed between two graphite wires 41. Before connecting the two graphite grounding belts 40, the ends of the two graphite grounding belts 40 to be connected are respectively stripped by a certain length of graphite woven cloth, and the metal wire 42 is drawn out, so that the graphite wire 41 of the graphite grounding belt 40 is separated from the metal wire 42. Then, the graphite wires 41 of the two graphite grounding strips 40 are inserted into the first gaps 114 of the jointing clamp, and the graphite wires 41 of the two graphite grounding strips 40 are mutually and alternately lapped. The first connecting portion 111 and the second connecting portion 112 are pressed to clamp the graphite wires 41 by the first connecting portion 111 and the second connecting portion 112, so that the graphite wires 41 of the two graphite grounding straps 40 are firmly connected. And then the drawn metal wires 42 of the two graphite grounding belts 40 are smoothed and spread in the second gap 115 of the jointing clamp, and the second connecting part 112 and the third connecting part 113 are extruded to enable the second connecting part 112 and the third connecting part 113 to clamp the metal wires 42, so that the metal wires 42 of the two graphite grounding belts 40 are stably connected.
The graphite grounding strap connecting device is characterized in that the first gap 114 and the second gap 115 which are separated from each other are formed in the jointing clamp, so that the graphite wire 41 of the graphite grounding strap 40 can be arranged in the first gap 114, the metal wire 42 of the graphite grounding strap 40 is arranged in the second gap 115, the graphite wire 41 and the graphite wire 41 of the two graphite grounding straps 40 are directly connected, the metal wire 42 and the metal wire 42 are directly connected, the problem that the shielding wall fails due to the fact that the graphite wire 41 and the metal wire 42 which have different electric conductivity properties are in mixed connection in the traditional crimping mode is solved, the electric conductivity of the middle connecting part of the two graphite grounding straps 40 is not lower than that of the graphite grounding strap 40 body is guaranteed, and the electromagnetic shielding performance of the shielding wall formed by connecting the graphite grounding straps 40 is improved.
Furthermore, the connecting sheet 20 and the jointing clamp are made of metal materials with good conductivity. Preferably, the connecting piece 20 and the jointing clamp are integrally formed by metal plates. As shown in fig. 7, a metal sheet 21 is provided on the metal plate, and both sides of the metal sheet 21 are bent to the middle of the metal sheet 21 by a certain curvature, so that the metal sheet 21 can be formed into a wire clip.
Further, referring to fig. 1-4, the graphite grounding strip connection device further includes a connection sleeve 30, the connection sleeve 30 is sleeved outside the jointing clamp, and a third gap 116 is formed between the connection sleeve 30 and the third connection portion 113, and the third gap 116 is used for accommodating the graphite wire 41. Specifically, the graphite wire 41 penetrating through the first gap 114 is extended appropriately, bent reversely and inserted into the third gap 116, and then the connecting sleeve 30 and the third connecting portion 113 are squeezed, so that the connecting sleeve 30 and the third connecting portion 113 clamp the graphite wire 41, and the connection of the two graphite grounding bands 40 is more stable. Compare in the direct lapped connected mode of tradition, this application is through crimping in third clearance 116 after bending graphite line 41 in first clearance 114 in the reverse direction, and then great improvement two tensile strength after graphite grounding takes 40 connect to and connection stability. Preferably, the connecting sleeve 30 is a metal piece formed by bending integrally.
Specifically, the number of the jointing clamp is at least two, each jointing clamp is connected with the connecting sheet 20, and a connecting sleeve 30 is sleeved outside each jointing clamp. For example, as shown in fig. 5, the graphite grounding strip connection device is provided with three binding clips, namely a first binding clip 11, a second binding clip 12 and a third binding clip 13. Wherein the second jointing clamp 12 and the third jointing clamp 13 are respectively arranged at two sides of the first jointing clamp 11, and the connecting piece 20 is used for connecting the three jointing clamps. Through set up a plurality of binding clips on connection piece 20 for a plurality of graphite ground connection areas 40 can be connected simultaneously to graphite ground connection area connecting device, have improved graphite ground connection area connecting device utilization ratio, have reduced material cost.
Further, the wiring directions of the three clips are parallel or approximately parallel to the connecting piece 20, and the wiring directions of at least two clips intersect. The wiring direction of the terminal is the direction in which the graphite grounding strap 40 passes through the terminal. For example, as shown in fig. 5, the wiring direction of the first jointing clamp 11 is perpendicular to the wiring direction of the second jointing clamp 12, the wiring direction of the first jointing clamp 11 is also perpendicular to the wiring direction of the third jointing clamp 13, and at least two jointing clamps with intersecting wiring directions are used, so that the graphite grounding strip connecting device can form a shielding wall with a net structure after being connected with the graphite grounding strip 40.
Further, the surfaces of the first connecting portion 111, the second connecting portion 112 and the third connecting portion 113 are provided with anti-slip portions, and the anti-slip portions are used for increasing the friction coefficient of the surface of the binding clip, so that the graphite wires 41 and the metal wires 42 are prevented from being pulled out of the binding clip. Preferably, the anti-slip portion is a wavy sculpture 23 or a concavo-convex structure. For example, as shown in fig. 7, before bending the metal sheet 21 to form the wire clip, wavy engraved lines 23 may be etched on both front and back surfaces of the metal sheet 21, and after bending the metal sheet 21 to form the wire clip, the anti-slip portions formed by the wavy engraved lines 23 may be formed on the surfaces of the first connecting portion 111, the second connecting portion 112, and the third connecting portion 113.
Further, referring to fig. 7, the graphite ground strip connection device may further include a shielding film 22, and particularly, the shielding film 22 is attached to the surface of the connection pad 20 and the surface of the terminal clip. As shown in fig. 7, before bending the metal plate, the front and back surfaces of the metal plate may be coated with the protective film 22, and after the metal plate is bent to form the connecting piece 20 and the wire clamp, the protective film 22 with a protective effect may be formed on the surface of the connecting piece 20 and the wire clamp. Preferably, the protective film 22 is a graphite film, and the graphite film is uniformly coated on the surface of the connection piece 20 and the surface of the terminal. The protective film 22 is coated on the surface of the connecting sheet 20 and the surface of the jointing clamp, so that the surface corrosion resistance of the connecting sheet 20 and the surface corrosion resistance of the jointing clamp are enhanced, the electrochemical corrosion problem caused by direct contact of the graphite wire 41 and the jointing clamp is avoided, and the service life of the graphite grounding strip connecting device is prolonged.
Further, the graphite grounding strip connection device may further include an outer sheath (not shown) which is wrapped outside the connection piece 20 and the jointing clamp and used for further performing corrosion protection on the connection piece 20 and the jointing clamp. Specifically, the outer sheath includes graphite cloth and wiring, and connection piece 20 and binding clip still coat with the conducting resin, and preferably, the conducting resin is scribbled in the marginal, the kink of binding clip and the weak department of anticorrosive performance such as extrusion nick. Further, the graphite cloth is bonded with the conductive adhesive, so that the graphite cloth tightly wraps the connecting sheet 20 and the jointing clamp. The binding wire is used for binding the graphite cloth and sewing the opening of the graphite cloth, so that the graphite cloth is integrally bound firmly. The outer sheath is coated outside the connecting sheet 20 and the jointing clamp, so that the overall corrosion resistance of the graphite grounding strip connecting device is improved.
Further, referring to fig. 8, the graphite grounding strip connection device may further include an expansion joint 50, the expansion joint 50 is connected to the connection piece 20, and the expansion joint 50 is used for connecting a third party device, for example, the expansion joint 50 is used for connecting a galvanized round steel grounding or a copper bar down conductor. Preferably, the expansion joint 50 is a metal sheet 21, and the expansion joint 50 and the connecting sheet 20 are integrally formed. Preferably, the expansion joint 50 is coplanar with the connecting tab 20. A metal sheet 21 is reserved on the connecting sheet 20 and serves as an expansion joint 50, so that the expansion joint 50 can be connected with a joint of third-party equipment, the problem that the electrical performance of the graphite grounding strip 40 is reduced due to the fact that the graphite grounding strip 40 is directly connected with the third-party equipment is solved, and the stability of the shielding wall is improved.
Further, the present application also provides a graphite grounding strap connection method using the graphite grounding strap connection device according to any one of the above embodiments, specifically, the graphite grounding strap connection method according to an embodiment includes the following steps:
and S110, respectively stripping the ends of the two graphite grounding bands 40 to be connected, and separating the graphite wires 41 and the metal wires 42 of the graphite grounding bands 40.
Specifically, as shown in fig. 3, the graphite ground strap 40 includes a plurality of graphite wires 41 and a metal wire 42 disposed between two graphite wires 41. Before connecting the two graphite grounding belts 40, the ends of the two graphite grounding belts 40 to be connected are respectively stripped by a certain length of graphite woven cloth, and the metal wire 42 is drawn out, so that the graphite wire 41 of the graphite grounding belt 40 is separated from the metal wire 42.
And S120, inserting the graphite wires 41 of the two graphite grounding belts 40 into the first gaps 114 of the jointing clamp, and pressing the first connecting parts 111 and the second connecting parts 112 to enable the first connecting parts 111 and the second connecting parts 112 to clamp the graphite wires 41.
Specifically, the graphite wires 41 of the two graphite grounding strips 40 are overlapped alternately, so that the connection of the graphite wires 41 of the two graphite grounding strips 40 is more stable.
And S130, inserting the metal wires 42 of the two graphite grounding bands 40 into the second gap 115 of the jointing clamp, and pressing the second connecting part 112 and the third connecting part 113 to enable the second connecting part 112 and the third connecting part 113 to clamp the metal wires 42.
Preferably, the extracted wires 42 from the two graphite grounding strips 40 need to be smoothed and then laid flat within the second gap 115 of the clip.
S140: a connecting sleeve 30 is sleeved outside the jointing clamp, so that a third gap 116 is formed between the connecting sleeve 30 and a third connecting part 113 of the jointing clamp;
s150: the graphite wire 41 in the first gap 114 is inserted into the third gap 116 after being extended and bent, and the connecting sleeve 30 and the third connecting portion 113 are pressed, so that the connecting sleeve 30 and the third connecting portion 113 clamp the graphite wire 41.
According to the graphite grounding strap connecting method, the graphite wires 41 of the graphite grounding straps 40 are arranged in the first gaps 114 of the jointing clamp, and the metal wires 42 of the graphite grounding straps 40 are arranged in the second gaps 115 of the jointing clamp, so that the graphite wires 41 of the two graphite grounding straps 40 are directly connected with the graphite wires 41, the metal wires 42 are directly connected with the metal wires 42, the problem of failure of a shielding wall caused by hybrid connection of the graphite wires 41 and the metal wires 42 with different conductivity in a traditional crimping mode is solved, the conductivity of the middle connecting part of the two graphite grounding straps 40 is not lower than that of the body of the graphite grounding strap 40, and the electromagnetic shielding performance of the shielding wall formed by connecting the graphite grounding straps 40 is improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.