CN212179929U - Bridge circuit for connecting flexible circuit board with sensor - Google Patents
Bridge circuit for connecting flexible circuit board with sensor Download PDFInfo
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- CN212179929U CN212179929U CN202020774413.6U CN202020774413U CN212179929U CN 212179929 U CN212179929 U CN 212179929U CN 202020774413 U CN202020774413 U CN 202020774413U CN 212179929 U CN212179929 U CN 212179929U
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- circuit board
- flexible circuit
- card frame
- elastic body
- buckle
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Abstract
A bridge circuit for connecting a flexible circuit board and a sensor comprises an elastic body, wherein the elastic body is provided with a flexible circuit board and a plurality of clamping holes; still be provided with first card frame and second card frame on the elastomer, be provided with the cavity in the first card frame, be provided with the axis of rotation in the cavity, the winding has the fixed band in the axis of rotation, first card frame lateral part is provided with the opening, the fixed band stretches out the opening, and the one end that the fixed band stretches out is provided with the baffle, be provided with the torsional spring in the axis of rotation, bond through flexible circuit board and elastomer, fixed firm, insulating nature is good, and the enameled wire line section is few moreover, and is longe-lived, simultaneously through first card frame and second card frame cooperation fixed band, can be with the effectual fixing on the elastomer of flexible circuit board's key position, the effectual flexible circuit board that has protected, assurance signal.
Description
Technical Field
The utility model relates to the field of electronic technology, specifically be a flexible line way board connection sensor bridge circuit.
Background
The existing sensor device is directly connected with an enameled wire through a circuit board to a welding spot on an induction sheet (3), the enameled wire is relatively long in length, the exposed enameled wire is easy to break and damage a paint layer, poor insulation performance and unstable output signal are easily generated, especially, the performance of the sensor has high requirement on the stability of the signal, and the existing connection mode obviously cannot meet the requirement.
There are also new ways of connecting, for example, the patent name "flex circuit connected sensor bridge" of patent No. CN201220057262.8 discloses "a flex circuit connected sensor bridge. The copper-clad printed circuit board comprises a substrate, wherein a copper circuit is covered on the substrate, a plurality of input end welding spots and a plurality of output end welding spots are formed on the substrate, and the input end welding spots are connected with enameled wires; when the flexible circuit board is used, the flexible circuit board is connected with the sensor bridge circuit and is bonded on the elastic body, the elastic body is also provided with a strain gauge for generating a sensing signal, the strain gauge is provided with an output welding spot, and the input end welding spot of the substrate is connected with the output welding spot of the corresponding strain gauge through an enameled wire; due to the flexible circuit board, the bridge circuit can be integrally bonded to the aluminum substrate, and the sensor has very high signal requirements, so that the connection mode cannot achieve the best reinforcement.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a firm in connection, the flexible line way board connection sensor bridge circuit that can effectively consolidate simultaneously.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a flexible circuit board is connected with a sensor bridge circuit, and comprises an elastic body, wherein a flexible circuit board is arranged on the elastic body, an induction sheet is arranged on the elastic body, a sensor bridge circuit is arranged on the induction sheet, a plurality of first welding spots which are responsible for input and output are arranged on the circuit, a second welding spot is arranged on the flexible circuit board corresponding to the welding spots, an enameled wire is arranged between the first welding spot and the second welding spot, and a plurality of clamping holes are formed in the elastic body;
the elastic body is further provided with a first clamping frame and a second clamping frame, a cavity is arranged in the first clamping frame, a rotating shaft is arranged in the cavity, a fixing belt is wound on the rotating shaft, an opening is formed in the side portion of the first clamping frame, the fixing belt extends out of the opening, a baffle is arranged at the extending end of the fixing belt, a torsion spring is arranged on the rotating shaft, and a first buckle adaptive to the buckle is arranged at the bottom of the first clamping frame;
the second card frame has seted up the fixed slot towards one side of first card frame, fixed slot and baffle adaptation, second card frame below is provided with the second buckle, first buckle and second buckle and card hole adaptation. In order to strengthen the fixation of the flexible circuit board and the elastic sheet, the utility model discloses the improvement has, the flexible circuit board is fixed with the elastic sheet bonding.
In order to realize the firm fixed of baffle, the utility model discloses the improvement has, still be provided with the locating plate on the second card frame, the both sides of locating plate are provided with the rotor plate, are provided with rotatory hole on the rotor plate, be provided with the rotation axis on the second card frame, make the rotor plate can rotate around the rotation axis in the hole is worn to the rotation axis, and the thickness is kept off to the clearance adaptation between locating plate and the second card frame.
In order to prevent the rigid contact of fixed band and flexible circuit version, the utility model discloses the improvement has, the fixed band bottom is provided with the rubber layer.
For the location of convenient second card frame, the utility model discloses the improvement has, the top of second card frame is provided with elastic convex block, be provided with positioning groove on the locating plate, positioning groove and elastic convex block looks adaptation. In order to conveniently dismantle first card frame and second card frame, the utility model discloses the improvement has, the both sides of first card frame and second card frame are provided with the anti-skidding line that increases finger friction.
(III) advantageous effects
Compared with the prior art, the utility model provides a flexible line way board connection sensor bridge road possesses following beneficial effect:
this flexible line way board connection sensor bridge circuit at first bonds through flexible circuit board and elastomer, and is fixed firm, insulating nature is good, and the enameled wire line section is few moreover, and is longe-lived, simultaneously through first card frame and second card frame cooperation fixed band, can be with the effectual fixing on the elastomer of flexible circuit board's key position, the effectual flexible circuit board that has protected, assurance signal transmission's stability.
Drawings
FIG. 1 is a schematic diagram of a flexible circuit board connecting sensor bridge circuit according to the present invention;
FIG. 2 is a schematic view of a card frame connection structure of a flexible printed circuit board connection sensor bridge circuit according to the present invention;
FIG. 3 is an enlarged view of a portion of a flexible circuit board connecting a sensor bridge according to the present invention;
FIG. 4 is a diagram of a second open structure of a flexible printed circuit for connecting a sensor bridge;
1, an elastomer; 2. a flexible circuit board; 3. an induction sheet; 4. a first solder joint; 5. a first clip frame; 6. a second clamping frame; 7. a rotating shaft; 8. fixing belts; 9. a baffle plate; 10. a first buckle; 11. fixing grooves; 12. a second buckle; 13. positioning a plate; 14. a rotating plate; 15. a rotating shaft; 16. an elastic bump; 17. a positioning groove.
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. 1-4, the flexible circuit board connection sensor bridge of the present invention includes an elastic body 1, a flexible circuit board 2 is disposed on the elastic body 1, an induction sheet 3 is disposed on the elastic body 1, a sensor bridge circuit is disposed on the induction sheet 3, a plurality of first solder joints 4 responsible for input and output are disposed on the circuit, a second solder joint is disposed at a position of the flexible circuit board 2 corresponding to the solder joints, an enameled wire is disposed between the first solder joints 4 and the second solder joints, and a plurality of clamping holes are disposed on the elastic body 1;
the elastic body 1 is further provided with a first clamping frame 5 and a second clamping frame 6, a cavity is formed in the first clamping frame 5, a rotating shaft 7 is arranged in the cavity, a fixing belt 8 is wound on the rotating shaft 7, an opening is formed in the side portion of the first clamping frame 5, the fixing belt 8 extends out of the opening, a baffle 9 is arranged at one extending end of the fixing belt 8, a torsion spring is arranged on the rotating shaft 7, and a first buckle 10 matched with the buckle is arranged at the bottom of the first clamping frame 5;
fixed slot 11 has been seted up towards one side of first card frame 5 to second card frame 6, fixed slot 11 and baffle 9 adaptation, second card frame 6 below is provided with second buckle 12, first buckle 10 and second buckle 12 and card hole adaptation.
The flexible line way board connection sensor bridge circuit of novel structure, be provided with response piece 3 on the elastomer 1, be provided with sensor bridge circuit on the response piece 3, flexible line way board 2 directly adopts the bonding fixed with elastomer 1, the second solder joint of flexible line way board 2 and the one end welding of enameled wire simultaneously, the other end of enameled wire links to each other with first solder joint 4, the intercommunication of circuit has been realized, the circuit that the enameled wire set up simultaneously is shorter, avoided the enameled wire easily disconnected, easily fall the lacquer layer, easy bad phenomenon of contact.
After laminating flexible circuit board 2 and elastomer 1, because be provided with a plurality of complex card holes on the elastomer 1, see the position that flexible circuit board 2 needs the enhancement location earlier, later with first buckle 10 and second buckle 12 of first card frame 5 and second card frame 6 below buckle in the card hole, then manual baffle 9 of taking out from first card frame 5, draw and rise to second card frame 6 position and block into fixed slot 11 internal fixation, flexible circuit board 2 is pressed down to fixed band 8, guaranteed that flexible circuit board 2 important position is laminated on elastomer 1 always, the cooperation of flexible circuit board 2 with elastomer 1 has been strengthened, also prevent external force simultaneously, for example the flexible circuit version that the collision rocks the cause leaves elastomer 1 and causes the damage.
In this embodiment, the second card frame 6 is further provided with a positioning plate 13, two sides of the positioning plate 13 are provided with rotating plates 14, the rotating plates 14 are provided with rotating holes, the second card frame 6 is provided with a rotating shaft 15, the rotating shaft 15 penetrates through the holes to enable the rotating plates 14 to rotate around the rotating shaft 15, and a gap between the positioning plate 13 and the second card frame 6 is adapted to the thickness of the baffle 9.
When the baffle plate 9 is installed, the positioning plate 13 and the rotating plate 14 are rotated upwards to flash the operating space, after the baffle plate 9 is clamped into the positioning groove, the rotating plate 14 is rotated, the baffle plate 9 is fixed by the positioning plate 13 and the second clamping frame 6, and the baffle plate 9 is firmly fixed on the second clamping frame 6 by the positioning plate 13, the side wall of the second clamping frame 6 and the positioning groove.
In this embodiment, the rubber layer 18 is disposed at the bottom of the fixing band 8, and the fixing band 8 and the flexible circuit board 2 are placed in rigid contact, so that only a downward pressure is provided, because the flexible circuit board 2 is sensitive and not pressure-resistant.
In this embodiment, the top of the second clamping frame 6 is provided with the elastic convex block 16, the positioning plate 13 is provided with the positioning groove 17, the positioning groove 17 is matched with the elastic convex block 16, after the positioning plate 13 is rotated upwards, the elastic convex block 16 is clamped into the positioning groove 17, so that the fixing is realized, the pulling operation of the stop block can be facilitated, the positioning plate 13 is pushed inwards, after the resistance of the elastic convex block 16 is overcome, the positioning plate 13 can be clamped into the baffle 9, and the fixing of the baffle 9 is realized.
The both sides of first card frame 5 and second card frame 6 are provided with the anti-skidding line that increases finger friction, and when opening first buckle 10 and second buckle 12 back, directly clip first card frame 5 and second card frame 6 with the finger and just can take out it convenient operation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The bridge circuit for connecting the flexible circuit board and the sensor is characterized by comprising an elastic body (1), wherein the elastic body (1) is provided with a flexible circuit board (2), the elastic body (1) is provided with an induction sheet (3), the induction sheet (3) is provided with a sensor bridge circuit, the circuit is provided with a plurality of first welding spots (4) which are responsible for input and output, the flexible circuit board (2) is provided with second welding spots at positions corresponding to the welding spots, an enameled wire is arranged between the first welding spots (4) and the second welding spots, and the elastic body (1) is provided with a plurality of clamping holes;
the elastic body (1) is further provided with a first clamping frame (5) and a second clamping frame (6), a cavity is formed in the first clamping frame (5), a rotating shaft (7) is arranged in the cavity, a fixing belt (8) is wound on the rotating shaft (7), an opening is formed in the side portion of the first clamping frame (5), the fixing belt (8) extends out of the opening, a baffle (9) is arranged at one end, extending out of the fixing belt (8), a torsion spring is arranged on the rotating shaft (7), and a first buckle (10) matched with the buckle is arranged at the bottom of the first clamping frame (5);
fixed slot (11) have been seted up towards one side of first card frame (5) in second card frame (6), fixed slot (11) and baffle (9) adaptation, second card frame (6) below is provided with second buckle (12), first buckle (10) and second buckle (12) and card hole adaptation.
2. The flexible wiring board connection sensor bridge according to claim 1, wherein said flexible circuit board (2) is adhesively secured to the elastomeric sheet.
3. The bridge according to claim 1, wherein the second card holder (6) further comprises a positioning plate (13), the positioning plate (13) is provided with a rotating plate (14) at two sides of the positioning plate (13), the rotating plate (14) is provided with a rotating hole, the second card holder (6) is provided with a rotating shaft (15), the rotating shaft (15) penetrates into the hole to enable the rotating plate (14) to rotate around the rotating shaft (15), and a gap between the positioning plate (13) and the second card holder (6) is adapted to the thickness of the baffle (9).
4. A flexible wiring board connection sensor bridge according to any of claims 1-3, wherein a rubber layer (18) is provided at the bottom of the fixing tape (8).
5. The bridge according to claim 3, wherein the second clip (6) has a resilient bump (16) at the top thereof, and the positioning plate (13) has a positioning groove (17), the positioning groove (17) being adapted to the resilient bump (16).
6. The bridge according to claim 4, wherein the first and second frames (5, 6) are provided with anti-slip patterns on both sides thereof for increasing the friction force of the finger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020774413.6U CN212179929U (en) | 2020-05-12 | 2020-05-12 | Bridge circuit for connecting flexible circuit board with sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020774413.6U CN212179929U (en) | 2020-05-12 | 2020-05-12 | Bridge circuit for connecting flexible circuit board with sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212179929U true CN212179929U (en) | 2020-12-18 |
Family
ID=73775783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020774413.6U Active CN212179929U (en) | 2020-05-12 | 2020-05-12 | Bridge circuit for connecting flexible circuit board with sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212179929U (en) |
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2020
- 2020-05-12 CN CN202020774413.6U patent/CN212179929U/en active Active
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