Novel glass lead-free welding combination

Abstract

The utility model relates to the technical field of glass lead-free welding combination, and discloses a novel glass lead-free welding combination which comprises a welding leg, the bottom of the welding leg is fixedly connected with a welding mechanism, the welding mechanism comprises a positioning block fixedly connected to the bottom of the welding leg, the surface of the positioning block is connected with welding flux in an inserted mode, and the welding flux is fixedly connected with the welding leg. The upper surface of the welding leg is fixedly connected with a wire, and one end of the wire is fixedly connected with a plug-in. According to the novel glass lead-free welding combination, through the arrangement of the welding mechanism, during welding, the connecting grooves formed in the surface of welding flux are inserted into the positioning blocks at the bottoms of the welding feet so that the welding flux can be tightly attached to the positioning blocks, then the welding flux is attached to the surface of glass, the welding flux is welded through an external welding gun, and the welding feet are made of iron-nickel alloy and the surfaces of the welding feet are plated with silver; and the solder is selected from a tin-silver system, so that the industrial problems that the hot dipping test is difficult to pass and the use of rare metals in other high-tech fields can be effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to glass lead-free welding combination technical field, especially a novel glass lead-free welding combination. BACKGROUND

[0002] Due to the environmental protection requirement, glass welding is converted from lead to lead-free, the existing lead-free welding combination has various kinds of deficiencies, the current mainstream lead-free solder mainly has tin silver system, tin silver copper system and indium system, the electric plug material has red copper and stainless steel, the mainstream configuration is red copper electric plug + high indium solder, or stainless steel electric plug + high indium solder (containing indium 90%), the high indium material has the advantage that the texture is very soft, can successfully pass the cold and hot cycle test (-40 DEG C ~ 105 DEG C cycle power test) of the DIN EN ISO 16750 standard of the European Union, has no appearance defect, is widely used at present, but due to the low melting point of indium, the high temperature resistance is low, when meeting the DIN EN ISO 16750 standard of the European Union, even if the best welding mode, the bonding area of sufficient solder is used, it is very difficult to pass the heat soak test heat immersion test. Tin silver system, tin silver copper system solder and red copper electric plug cooperate, low indium solder (containing indium 23%) and red copper electric plug cooperate, cannot meet the cold and hot cycle test (-40 DEG C ~ 105 DEG C cycle power test) of the DIN EN ISO 16750 standard of the European Union, and indium belongs to rare metal, is the rare resource indispensable to the high-tech fields such as electronic product, solar cell, national defense and military, aerospace, nuclear industry and modern information industry.

[0003] After rounds of research, the advantages and disadvantages of various combinations are analyzed, it is found that iron nickel alloy and tin silver system are adopted, the thermal expansion coefficient is close to glass, the best combination is selected through rounds of tests, the electric plug solder leg is 4J42 iron nickel alloy (surface silver plating), and the lead-free solder selects 9820 tin silver system, and the above technical problems are perfectly solved. CONTENT OF THE UTILITY MODEL

[0004] (I) technical problem solved

[0005] The technical problem solved by the utility model is to provide a novel glass lead-free welding combination with high practicability, which can be operated simply and has a simple structure, and the problem of avoiding the competition for the use of rare metal with other high-tech fields and the problem of solving the industry problem are solved.

[0006] (II) technical scheme

[0007] In order to achieve the above object, the utility model discloses a novel glass lead-free welding combination, including the welding leg, its characterized in that: the bottom fixedly connected with the welding mechanism of welding leg, the welding leg is assembled for the tacking solder welding of bow type, the welding mechanism includes the locating block fixedly connected in the welding leg bottom, the surface of locating block is inserted with the solder, wherein the quantity of locating block and solder has two groups, and two groups of locating block and solder are symmetrically distributed on the both sides of the welding leg bottom, and the solder tin bottom surface is even.

[0008] As the further scheme of the utility model, the material of the welding leg is iron-nickel alloy, and the surface of the welding leg is plated with silver. The welding leg serves as a connection point to facilitate welding.

[0009] As the further scheme of the utility model, the material of the solder is tin-silver system, and the number of the solder is two. The solder serves to weld the glass.

[0010] As the further scheme of the utility model, the upper surface of the welding leg is fixedly connected with a wire, and one end of the wire is fixedly connected with a plug. The plug serves to provide a reliable electrical connection point.

[0011] As the further scheme of the utility model, the material of the plug is red copper, and the end of the plug is sleeved with a thermoplastic tube. The thermoplastic tube serves to protect the electrical connection interface.

[0012] As the further scheme of the utility model, one end of the thermoplastic tube is sleeved on the surface of the wire, and the thermoplastic tube forms a firm protective layer at the interface by using an external heating structure.

[0013] As the further scheme of the utility model, the surface of the plug is plated with tin. The tin plating can effectively prevent the red copper from being oxidized in the air.

[0014] (Three) beneficial effects

[0015] The utility model provides a novel glass lead-free welding combination, which has the following beneficial effects:

[0016] The novel glass lead-free welding combination is provided with a welding mechanism. When welding, the connecting groove on the surface of the solder is inserted into the locating block at the bottom of the welding leg, so that the solder can be tightly attached to the glass surface. Then, the solder is welded by using an external welding gun. Since the welding leg is made of iron-nickel alloy and plated with silver, and the solder is made of tin-silver system, the difficulty in hot dipping test can be effectively solved, and the industry problem of competing with other high-tech fields for the use of rare metals can be avoided. DRAWINGS

[0017] Fig. 1 It is a whole structure schematic view of the utility model;

[0018] Fig. 2 It is a plug-in structure schematic view of the utility model;

[0019] Fig. 3 It is a weld leg structure schematic view of the utility model;

[0020] Fig. 4 It is a welding mechanism structure schematic view of the utility model.

[0021] In the drawing: 1, weld leg; 2, welding mechanism; 201, positioning block; 202, solder; 3, wire; 4, plug-in; 5, thermoplastic tube. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of the utility model.

[0023] Please refer to Figs. 1 to 4 The utility model provides a technical scheme: a novel glass lead-free welding combination, including weld leg 1, the bottom fixed connection of weld leg 1 has welding mechanism 2, weld leg 1 is assembled as for sticking solder welding and presents arch type, welding mechanism 2 includes the positioning block 201 fixedly connected in the bottom of weld leg 1, the surface of positioning block 201 is inserted with solder 202, wherein the quantity of positioning block 201 and solder 202 has two groups, two groups of positioning block 201 and solder 202 are symmetrically distributed on the both sides of the bottom of weld leg 1, and the soldering tin bottom surface of solder 202 is flat, through the setting of welding mechanism 2, it can effectively solve the difficulty through hot dipping test and avoid the industry difficult problem of contending with other high-tech fields to use rare metal, welding mechanism 2 includes the positioning block 201 fixedly connected in the bottom of weld leg 1, the surface of positioning block 201 is inserted with solder 202,

[0024] The material of weld leg 1 is iron-nickel alloy, the surface of weld leg 1 is plated with silver, through the setting of weld leg 1, it plays the role as the connecting point convenient for welding;

[0025] The material of solder 202 is tin-silver system, the quantity of solder 202 is two, through the setting of solder 202, it plays the role of welding glass;

[0026] The upper surface of weld leg 1 is fixedly connected with wire 3, one end of wire 3 is fixedly connected with plug-in 4, through the setting of plug-in 4, it plays the role of providing reliable electrical connection point;

[0027] The material of the plug-in 4 is red copper, and a thermoplastic tube 5 is sleeved on the end of the plug-in 4, which plays a role of protecting the electrical connection interface through the setting of the thermoplastic tube 5.

[0028] One end of the thermoplastic tube 5 is sleeved on the surface of the wire 3, and the thermoplastic tube 5 forms a firm protective layer at the interface by using an external heating structure.

[0029] The surface of the plug-in 4 is tinned, which can effectively prevent the red copper from being oxidized in the air.

[0030] In the utility model, the working steps of the device are as follows:

[0031] The first step: when welding, the connecting groove opened on the surface of the solder 202 is inserted into the positioning block 201 at the bottom of the soldering leg 1, so that it can be tightly attached, and then the solder 202 is attached to the glass surface, and the solder 202 is welded by using an external welding gun, the soldering leg 1 is iron-nickel alloy and the surface is plated with silver, and the solder 202 is selected as tin-silver system.

[0032] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the design principle technology, and under the premise that the above-mentioned principle of the utility model is understood by the person skilled in the art, the specific of the power mechanism, the power supply system and the control system can be clearly known, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

[0033] The standard parts used therein can be purchased from the market, and can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, and the components known by the person skilled in the art, the structure and principle thereof are known by the person skilled in the art through technical manual or conventional experimental method.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principle and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A new glass lead-free solder combination comprising a solder fillet (1), characterized in that: The bottom of the welding leg (1) is fixedly connected with a welding mechanism (2), The welding leg (1) is assembled in an arch shape for soldering; The welding mechanism (2) comprises positioning blocks (201) fixedly connected to the bottom of the welding leg (1), the surfaces of the positioning blocks (201) are inserted with solders (202), wherein the positioning blocks (201) and the solders (202) are in two groups, the two groups of positioning blocks (201) and solders (202) are symmetrically distributed on the two sides of the bottom of the welding leg (1), and the soldering tin bottom surface of the solder (202) is flat; the material of the welding leg (1) is iron-nickel alloy, the surface of the welding leg (1) is plated with silver; the material of the solder (202) is tin-silver system, and the number of the solder (202) is two.

2. A novel glass lead-free solder combination as claimed in claim 1, wherein: The upper surface of the welding leg (1) is fixedly connected with a wire (3), one end of the wire (3) is fixedly connected with a plug-in part (4).

3. A novel glass lead-free solder combination as claimed in claim 2, wherein: The material of the plug-in part (4) is red copper, and the end of the plug-in part (4) is sleeved with a thermoplastic tube (5).

4. A novel glass lead-free solder combination as claimed in claim 3, wherein: One end of the thermoplastic tube (5) is sleeved on the surface of the wire (3), and the thermoplastic tube (5) forms a protective layer at the interface by using an external heating structure.

5. A novel glass lead-free solder combination as claimed in claim 2, wherein: The surface of the plug-in part (4) is plated with tin, the plated tin is tightly wrapped on the surface of the red copper, and the thickness of the plated layer of the plated tin is 3 microns.

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