CN214227175U - Metal edge-clamping type connecting terminal for connecting ceramic element and circuit board - Google Patents
Metal edge-clamping type connecting terminal for connecting ceramic element and circuit board Download PDFInfo
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- CN214227175U CN214227175U CN202023281800.5U CN202023281800U CN214227175U CN 214227175 U CN214227175 U CN 214227175U CN 202023281800 U CN202023281800 U CN 202023281800U CN 214227175 U CN214227175 U CN 214227175U
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- conversion circuit
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Abstract
The utility model discloses a metal limit presss from both sides formula connecting terminal for connecting ceramic element and circuit board, include: the feeding device comprises a U-shaped clamping groove and a feeding arm, wherein one end of the U-shaped clamping groove is connected with the feeding arm; the two sides of the inner wall of the U-shaped clamping groove are respectively provided with a first soldering tin and a second soldering tin, the U-shaped clamping groove is clamped on the two sides of the ceramic element and the conversion circuit board, the first soldering tin is welded with a metal bonding pad arranged on the ceramic element, and the second soldering tin is welded with a metal bonding pad arranged on the conversion circuit board. The utility model discloses fundamentally has avoided being connected between ceramic sensing element and the conversion circuit board among the pressure sensor must be trompil on ceramic sensing element with placing the lead pin, and the pore wall is metallization processing or at downthehole electrically conductive thick liquids of filling, rethread lead pin and conversion circuit board welded complicated technology and connected mode, and the cost can reduce.
Description
Technical Field
The utility model belongs to the technical field of pressure sensor makes, more specifically the metal limit clamp formula connecting terminal for connecting ceramic element and circuit board that says so.
Background
With the rapid development of modern industry and smart driving, sensors are widely used in industry and automobile manufacturing, and ceramic is a base material having various excellent characteristics of high elasticity, corrosion resistance, abrasion resistance, impact resistance, vibration resistance, etc., and has excellent thermal stability, and thus is widely used in various sensor manufacturing due to its excellent properties.
The sensor generally comprises a sensing element, a conversion element and a conversion circuit, the sensing element and the conversion circuit are generally connected together in some specific ways, the connection between the ceramic sensing element and the conversion circuit of the existing ceramic pressure sensor is generally welded together by a lead pin penetrating through a through hole pad of a circuit board, which results in that: the ceramic element is required to be provided with holes for placing guide pins, the hole wall needs to be metallized or filled with conductive slurry, the process is complex, and the cost is high; when a pin is inserted after the hole wall of the ceramic element via hole is metalized, the hole wall can be scratched by the pin to cause open circuit connection or can generate an air gap when the pin is inserted after conductive slurry is filled in the hole wall to cause open circuit connection or reduction of connection reliability.
Therefore, how to provide a metal edge-clip type connection terminal for connecting a ceramic element and a circuit board is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a metal limit presss from both sides formula connecting terminal for connecting ceramic element and circuit board, fundamentally has avoided being connected between ceramic sensitive element and the conversion circuit board among the pressure sensor must be trompil on ceramic sensitive element with placing the guide pin, and the pore wall is metallized or downthehole electrically conductive thick liquids of filling, and rethread guide pin and conversion circuit board welded complicated technology and connected mode, and the cost can reduce.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a metal edge-clip-type connection terminal for connecting a ceramic element and a wiring board, comprising: the feeding device comprises a U-shaped clamping groove and a feeding arm, wherein one end of the U-shaped clamping groove is connected with the feeding arm; u type draw-in groove inner wall both sides are provided with soldering tin one, soldering tin two respectively, U type draw-in groove centre gripping is in ceramic sensing element and conversion circuit board both sides, soldering tin one with the welding of the metal pad that sets up on the ceramic sensing element, soldering tin two with the welding of the metal pad that sets up on the conversion circuit board.
Preferably, the conversion circuit board and the ceramic sensitive element are fixed together by gluing after being aligned.
Preferably, a solder mask area is arranged on the bottom surface of the inner side of the U-shaped clamping groove.
Preferably, the material arm is provided with a feeding hole.
Preferably, a cutting groove is formed in the position, close to the U-shaped clamping groove, of the material arm.
The beneficial effects of the utility model reside in that:
the utility model discloses a U type draw-in groove inner wall both sides are provided with soldering tin one respectively, soldering tin two, soldering tin one welds with the metal pad that sets up on the ceramic sensing element, soldering tin two welds with the metal pad that sets up on the conversion circuit board, realize fixed position and reliable welding, manufacturing process has been simplified, and fundamentally has avoided being connected between ceramic sensing element and the conversion circuit board among the pressure sensor must trompil on ceramic sensing element with placing the guide pin, the pore wall is metallization processing or at downthehole electrically conductive thick liquids of filling, rethread guide pin and conversion circuit board welded complicated technology and connected mode, the cost can reduce.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a side view of the present invention.
Fig. 4 is a top view of the present invention.
Fig. 5 is a schematic view of an installation structure of the metal edge clip type connection terminal according to the present invention.
Fig. 6 is a schematic structural diagram of the metal edge clip type connection terminal broken along the cutting groove after installation.
FIG. 7 is a schematic structural diagram of a ceramic sensor.
Fig. 8 is a schematic structural diagram of the conversion circuit board.
Wherein, in the figure:
1-metal edge-clip type connection terminals; 2-ceramic sensitive elements; 3-a conversion circuit line; 4, a first metal pad; 5-metal pad two; 6-a feeding hole; 7-a material arm; 8-cutting off the groove; 9-soldering a first tin; 10-soldering tin II; 11-U-shaped clamping grooves; 12-solder mask area.
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 work belong to the protection scope of the present invention.
Referring to fig. 1 to 8, the present invention provides a metal edge clip type connecting terminal for connecting a ceramic element and a circuit board, comprising: the feeding device comprises a U-shaped clamping groove 11 and a feeding arm 7, wherein one end of the U-shaped clamping groove 11 is connected with the feeding arm 7; one side of the inner wall of the U-shaped clamping groove 11 is provided with a first soldering tin 9, the other side of the inner wall of the U-shaped clamping groove 11 is provided with a second soldering tin 10, after the conversion circuit 3 board and the ceramic sensitive element 2 are aligned and fixed together through glue, the U-shaped clamping groove 11 is clamped at two sides of the ceramic sensitive element 2 and the conversion circuit 3 board, the first soldering tin 9 is welded with a first metal pad 4 arranged on the ceramic sensitive element 2, and the second soldering tin 10 is welded with a second metal pad 5 arranged on the conversion circuit 3 board.
The metal edge-clamping type connecting terminal 1 clamps the ceramic sensitive element 2 and the conversion circuit 3 board which are bonded together, the first soldering tin 9 is aligned to the first metal bonding pad 4 of the ceramic sensitive element 2, and after the second soldering tin 10 is aligned to the second metal bonding pad 5 of the conversion circuit 3 board, the first soldering tin 9 and the second soldering tin 10 are heated to be melted and welded, so that the effects of connection and conduction and fixing positions are achieved.
In this embodiment, a solder wire with a certain diameter is wrapped in a solder groove by bending to form a first solder part 9 and a second solder part 10, and then the material sheet is bent to form a U-shaped slot 11.
In this embodiment, a solder mask region 12 is disposed on the inner bottom surface of the U-shaped card slot 11, and the solder mask region 12 is formed by electroplating nickel tin on the surface of the material sheet of the U-shaped card slot 11. The utility model discloses a prefabricated solder mask 12 can avoid soldering tin 9, two 10 of soldering tin to melt the problem that mutual adhesion caused the short circuit.
In this embodiment, the material arm is provided with a feeding hole 6. The metal edge-clamping type connecting terminal 1 respectively aligns two sides of a first soldering tin 9 and a second soldering tin 10 in a U-shaped clamping groove 11 to a first metal pad 4 of the ceramic sensitive element 2 and a second metal pad 5 of a conversion circuit 3 board to be clamped through automatic mounting equipment along a feeding hole 6 and a material arm 7.
In this embodiment, the material arm is provided with a cutting groove 8 at a position close to the U-shaped clamping groove 11. After the first soldering tin 9 and the second soldering tin 10 in the U-shaped clamping groove 11 are respectively welded with the first metal pad 4 and the second metal pad 5, the material arm 7 is cut off along the cutting groove 8, and therefore the conversion circuit 3 board and the ceramic sensitive element 2 are connected together.
In this embodiment, the U-shaped slot 11 and the arm 7 are made of phosphor copper or brass with good electrical conductivity and bending elasticity.
The utility model discloses a preparation process flow: the conversion circuit board 3 and the ceramic sensitive element 2 are fixedly bonded together through glue after being aligned to the positions, then the metal edge clamp type connecting terminal 1 is clamped tightly by a first soldering tin 9 and a second soldering tin 10 in a U-shaped clamping groove 11 through automatic mounting equipment along a feeding hole 7 and a material arm 8 and the first metal pad 4 of the ceramic sensitive element 2 and a second metal pad 5 of the conversion circuit board 3 are respectively aligned to two sides of the second soldering tin 10, the first soldering tin 9 and the second soldering tin 10 are heated to melt and weld after being clamped, short circuits caused by mutual adhesion of the melted soldering tin are avoided by a solder mask area 12, and finally the short circuits are cut off along a cutting groove 8, so that the conversion circuit board 3 and the ceramic sensitive element 2 are connected together.
The utility model discloses a stamping technology, punch the pay-off hole and the material arm in the material area, in order to cooperate with automatic feeding equipment to realize full-automatic feeding, pre-embed soldering tin I and soldering tin II into the side clamp soldering tin groove through the bending technology, and then bend and form the U-shaped clamping groove, to realize fixed position and reliable welding, the manufacturing process is simplified, can realize full-automatic high-efficiency welding with simple automatic installation equipment and heating equipment, the welding reliability is high, and through stamping technology, punch the pay-off hole and the material arm in the material area, in order to cooperate with automatic feeding equipment to realize full-automatic feeding, pre-embed soldering tin into the side clamp soldering tin groove through the bending technology, and then bend and form the U-shaped elastic clamping groove, to realize fixed position and reliable welding, the manufacturing process is simplified, realize that can realize full-automatic high-efficiency welding with simple automatic installation equipment and heating equipment, the welding reliability is high, and the complex process and connection mode that the ceramic sensitive element in the pressure sensor is connected with the conversion circuit board by punching a hole on the ceramic element for placing a guide pin, carrying out metallization treatment on the hole wall or filling conductive slurry in the hole and then welding the guide pin and the circuit board are fundamentally avoided, so that the manufacturing cost is greatly reduced.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A metal edge clip type connection terminal for connecting a ceramic element and a wiring board, comprising: the feeding device comprises a U-shaped clamping groove and a feeding arm, wherein one end of the U-shaped clamping groove is connected with the feeding arm; u type draw-in groove inner wall both sides are provided with soldering tin one, soldering tin two respectively, U type draw-in groove centre gripping is in ceramic sensing element and conversion circuit board both sides, soldering tin one with the welding of the metal pad that sets up on the ceramic sensing element, soldering tin two with the welding of the metal pad that sets up on the conversion circuit board.
2. The metal edge-clip-type connecting terminal for connecting a ceramic element and a wiring board according to claim 1, wherein said conversion circuit board and said ceramic sensitive element are fixed together by glue after being aligned.
3. A metal edge clip type connection terminal for connecting a ceramic element and a wiring board according to claim 1, wherein a solder resist region is provided on an inner bottom surface of said U-shaped card slot.
4. A metal edge-clip-type connecting terminal for connecting a ceramic element and a circuit board according to claim 1, wherein said arm is provided with a feeding hole.
5. A metal edge-clip-type connecting terminal for connecting a ceramic element and a wiring board according to claim 1 or 4, wherein a cut-off groove is provided at a position of the arm near the U-shaped notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023281800.5U CN214227175U (en) | 2020-12-30 | 2020-12-30 | Metal edge-clamping type connecting terminal for connecting ceramic element and circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023281800.5U CN214227175U (en) | 2020-12-30 | 2020-12-30 | Metal edge-clamping type connecting terminal for connecting ceramic element and circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214227175U true CN214227175U (en) | 2021-09-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023281800.5U Active CN214227175U (en) | 2020-12-30 | 2020-12-30 | Metal edge-clamping type connecting terminal for connecting ceramic element and circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214227175U (en) |
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2020
- 2020-12-30 CN CN202023281800.5U patent/CN214227175U/en active Active
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