High-temperature-resistant plug connector

Abstract

The utility model relates to a high-temperature-resistant plug connector, which comprises an electric contact component, and a bonding layer, a barrier layer and a functional layer are sequentially arranged on the surface of the electric contact component. And the bonding layer is a titanium layer. The barrier layer is a platinum layer. The functional layer is a gold layer. The bonding layer, the barrier layer and the functional layer are plated on the point contact assembly of the high-temperature-resistant connector, so that the connector can be effectively and electrically connected with the sensing end and the processing end in a high-temperature environment, and electric connection failure caused by oxidation and disappearance of the functional layer is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of plug connector, specifically point to a kind of plug connector of high temperature resistance. BACKGROUND

[0002] The electric connector is a switching structure for transmitting electrical signals from the sensing end to the processing end. The electric connector is connected with the sensing end component and the processing end component by welding, crimping or riveting. The contact resistance of the connection surface directly affects the signal transmission effect. Generally, to reduce the electrical loss of the contact interface, the existing technology performs electroplating treatment on the contact part of the electric connector. According to the corresponding scene, nickel, gold and silver are electroplated on the surface of the contact part in sequence.

[0003] However, the electric connector formed by the above-mentioned existing technology has the following problems in high-temperature application fields. The nickel plating layer itself will oxidize in an environment with a temperature higher than 300°C. Meanwhile, the mutual diffusion of gold and nickel will eventually lead to the failure of the gold layer. Silver itself will migrate and the plating layer will peel off in a high-temperature environment. Ultimately, the above electroplating types will cause the failure of the electroplated surface of the electric connector due to oxidation and diffusion. This further affects the connection effect with the sensing end or the processing end, and more seriously, it will directly lead to connection failure and signal interruption. In order to solve the technical problem of high-temperature deformation, the existing application with publication number CN206332229 and the name of a high-temperature-resistant temperature sensor connector structure only improves the structural features of the high-temperature-resistant connector. The existing technology with publication number CN204391338 and the name of a high-temperature-resistant connector structure realizes higher temperature resistance by replacing materials. The existing technology with publication number CN117650380 and the name of a gas-tight connector with electroplatable high-temperature-resistant plating layer realizes resistance through a high-temperature-resistant layer. In summary, the existing technology does not solve the risk of oxidation and diffusion of electroplated materials in a high-temperature environment, or it does not disclose how to realize high-temperature resistance.

[0004] In view of the above problems of the existing technology, the utility model aims to design a plug connector with high temperature resistance. UTILITY MODEL CONTENTS

[0005] In view of the above problems of the existing technology, the utility model aims to design a plug connector with high temperature resistance.

[0006] The technical solution of the utility model is as follows:

[0007] A plug connector with high temperature resistance, comprising an electric contact component, the surface of the electric contact component is sequentially provided with a bonding layer, a barrier layer and a functional layer.

[0008] Further, the bonding layer is a titanium layer.

[0009] Further, the thickness of the adhesive layer is 0.02-5um.

[0010] Further, the thickness of the adhesive layer is 0.1-1um.

[0011] Further, the barrier layer is a platinum layer.

[0012] Further, the thickness of the barrier layer is 0.05-2um.

[0013] Further, the thickness of the barrier layer is 0.1-1um.

[0014] Further, the functional layer is a gold layer.

[0015] Further, the thickness of the functional layer is 0.1-5um.

[0016] Further, the thickness of the functional layer is 0.2-3um.

[0017] Therefore, the utility model provides following effect and / or advantage:

[0018] The utility model discloses through plating adhesive layer, barrier layer and functional layer on the point contact subassembly of high temperature resistance connector, guarantees that connector can effectively with induction end and processing end electric connection under high temperature environment, and the electric connection failure caused by oxidation and functional layer disappearance will not be caused.

[0019] The adhesive layer of the utility model is metal titanium layer, utilizes the high temperature oxidation resistance of titanium, and forms the adhesive layer by controlling its thickness, and adds a barrier layer platinum between titanium layer and gold layer of functional layer, and the outermost functional layer gold layer of electroplated metal platinum layer can prevent the migration of the adhesive layer, avoids the poor electric contact caused by the disappearance of the functional layer.

[0020] The utility model provides the best thickness range of titanium layer, platinum layer and gold layer, and the range can effectively form the outer plating structure of electric contact component, and guarantees the realization of normal function of plug-in connector, and the thickness can keep the function of normal plug-in connector under high temperature, and provides good high temperature resistance.

[0021] The other features and advantages of the utility model will be set forth in the subsequent description, and part of them becomes obvious from the description, or is understood by implementing the utility model. The purpose and other advantages of the utility model are realized and obtained by the structure specially pointed out in the description and drawings.

[0022] It should be understood that the foregoing summary of the utility model and the following detailed description are exemplary and explanatory, and are intended to provide further explanation of the utility model as claimed. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structural schematic view of the utility model.

[0024] Figure 2 It is a experimental result schematic view of the embodiment of the utility model. DETAILED DESCRIPTION

[0025] In order to facilitate the person skilled in the art to understand, now the embodiment of the utility model will be further described in detail to the structure of the utility model with the drawings:

[0026] A high-temperature-resistant plug connector, comprising an electrical contact component, the surface of the electrical contact component is sequentially provided with a bonding layer 2, a barrier layer 3 and a functional layer 4.

[0027] The bonding layer 2 of the application is used as the bonding structure between the surface of the electrical contact component and the barrier layer 3, the barrier layer 3 can be a dense structure, which can withstand high temperature, and can prevent the molecules of the outermost functional layer 4 from migrating to other layers under high temperature, avoiding the electrical contact failure caused by the disappearance of the functional layer 4.

[0028] Meanwhile, a platinum barrier layer 3 is added between the titanium plating layer of the bonding layer 2 and the gold plating layer of the functional layer 4, and the platinum plating metal layer can prevent the gold layer of the outermost functional layer 4 from migrating to the bonding layer 2, avoiding the electrical contact failure caused by the disappearance of the functional layer 4.

[0029] Further, the bonding layer 2 is a titanium layer.

[0030] Further, the thickness of the bonding layer 2 is 0.02-5um. Preferably, the thickness of the bonding layer 2 is 0.1-1um.

[0031] In the application, the bonding layer 2 is metal titanium, titanium has high-temperature oxidation resistance, and the plating layer has high density. The surface of the electrical contact device is plated with titanium, which is the prior art, for example, titanium is plated on the surface of the contact piece by magnetron sputtering, which can accurately control the thickness of the plating layer; or titanium is plated on the surface of the contact piece by molten salt method, which has high compatibility with the existing electroplating process.

[0032] Further, the barrier layer 3 is a platinum layer.

[0033] Further, the thickness of the barrier layer 3 is 0.05-2um. Preferably, the thickness of the barrier layer 3 is 0.1-1um.

[0034] In the application, a platinum layer is added between the bonding layer 2 and the gold plating layer of the functional layer 4, and the platinum layer has the function of preventing the inward diffusion of the functional layer 4.

[0035] Further, the functional layer 4 is a gold layer.

[0036] Further, the thickness of the functional layer 4 is 0.1-5um. Preferably, the thickness of the functional layer 4 is 0.2-3um.

[0037] The gold layer in the application has excellent electrical contact performance.

[0038] The application forms a compact and high-temperature-resistant structure by plating the titanium layer, the platinum layer and the gold layer on the outer surface of the electrical contact device in sequence, ensures that the plug connector has excellent electrical contact performance at high temperature, avoids oxidation of the contact interface, and electrical contact failure caused by disappearance of the functional layer 4.

[0039] Meanwhile, the application provides an optimal thickness range of the titanium layer, the platinum layer and the gold layer, which can effectively form the outer plating structure of the electrical contact component, ensures normal function of the plug connector, maintains normal function of the plug connector at high temperature, and provides good high-temperature resistance.

[0040] Embodiment one

[0041] A high-temperature-resistant plug connector comprises an electrical contact component, and the surface of the electrical contact component is sequentially provided with a bonding layer 2, a barrier layer 3 and a functional layer 4. The bonding layer 2 is a titanium layer, the thickness of the bonding layer 2 is 0.1um, the barrier layer 3 is a platinum layer, the thickness of the barrier layer 3 is 0.2um, and the functional layer 4 is a gold layer, and the thickness of the functional layer 4 is 0.2um.

[0042] Through the structure provided in embodiment one, the gold plating state of the plug surface after being kept at 500℃ in air for 24 hours is as shown in Figure 2 It can be known from the figure that the gold plating failure can be effectively avoided through the embodiment.

[0043] It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in the claims. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The application can be implemented by means of both hardware and software, and the hardware can comprise several distinct elements, and the software can be adapted to run on a programmable computer. In the unitary claim, several of the devices mentioned in the devices clause are implemented by one and the same item of hardware. The use of the words "first", "second" and "third" does not indicate any order. These words are to be interpreted as names.

[0044] Although the preferred embodiments of the application have been described, those skilled in the art, once they know the basic creative concept, can make further changes and modifications to the embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the application.

[0045] In the present application, unless otherwise clearly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0046] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. Furthermore, those skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

Claims

1. A high temperature resistant plug connector, characterized by: The electric contact component comprises a bonding layer, a barrier layer and a functional layer in sequence on the surface of the electric contact component.

2. The high temperature resistant plug connector of claim 1, wherein: The bonding layer is a titanium layer.

3. A high temperature resistant plug connector according to claim 1 or 2, characterized in that: The thickness of the bonding layer is 0.02-5um.

4. A high temperature resistant plug connector according to claim 1 or 2, characterized in that: The thickness of the bonding layer is 0.1-1um.

5. The high temperature resistant plug connector of claim 1, wherein: The barrier layer is a platinum layer.

6. The high temperature resistant plug connector of claim 1 or 5, wherein: The thickness of the barrier layer is 0.05-2um.

7. The high temperature resistant plug connector of claim 1 or 5, wherein: The thickness of the barrier layer is 0.1-1um.

8. The high temperature resistant plug connector of claim 1, wherein: The functional layer is a gold layer.

9. A high temperature resistant plug connector according to claim 1 or 8, characterized in that: The thickness of the functional layer is 0.1-5um.

10. The high temperature resistant plug connector of claim 1 or 8, wherein: The thickness of the functional layer is 0.2-3um.

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