CN204177515U - A kind of circuit board mounting structure of piezoresistive transducer - Google Patents
A kind of circuit board mounting structure of piezoresistive transducer Download PDFInfo
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- CN204177515U CN204177515U CN201420653972.6U CN201420653972U CN204177515U CN 204177515 U CN204177515 U CN 204177515U CN 201420653972 U CN201420653972 U CN 201420653972U CN 204177515 U CN204177515 U CN 204177515U
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- circuit board
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- pedestal
- atrium
- mounting structure
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Abstract
The utility model discloses a kind of circuit board mounting structure of piezoresistive transducer, comprise pedestal, circuit board and socket, pedestal rear end is provided with cavity, socket is to being provided with atrium by cavity, positioning structure of circuit board is provided with between circuit board and pedestal, positioning structure of circuit board comprises the inserting column and circuit board locating slot that match, pedestal is provided with the endless groove of the sidewall insertion being convenient to atrium in cavity, the sidewall of cavity and the sidewall of atrium form bound edge syndeton, circuit board is welded with flexible member towards the one side of atrium, the flexible member other end contacts to be formed with the contact pin in socket and is electrically connected, socket location structure is provided with between socket and pedestal, socket location structure comprises the positioning rib and socket positioning groove that cooperatively interact.This structure can make circuit board and socket quick position on pedestal, quick and easy for installation, and location is reliable, and simultaneously without the need to welding lead between circuit board and socket, sensor overall volume is little, and automation equipment can be adopted to assemble.
Description
Technical field
The utility model relates to piezoresistive transducer technical field, particularly a kind of circuit board mounting structure of piezoresistive transducer.
Background technology
Piezoresistive transducer is that one produces corresponding change in resistance by sensitive element compressive deformation, pressure signal is changed into the pressure transducer of electric signal, because its price is low, linear characteristic is good, be applied to the fields such as space flight and aviation, petrochemical complex, water conservancy and hydropower, boats and ships, production automatic control by general.Existing piezoresistive transducer generally includes pedestal, sensing head, circuit board and socket, the pressure seat of band impulse source aperture is installed in pedestal, described impulse source aperture is blind hole structure and its blind end is elasticity compression face, the back side of elasticity compression face is provided with described sensing head, the perforation of passing for pressure seat and sensing head is offered in the middle part of described circuit board, described socket is formed with the mode by welding lead between circuit board and is electrically connected, and adopts binding structure to fix between described socket and pedestal.This structure is pasted onto on the installed surface in cavity due to circuit board, need during installation manually to apply adhesive on circuit board or installed surface, the coated area of adhesive and coated weight are easily subject to the impact of human factor, once apply not in place, circuit board is easily caused to be shifted, and in high temperature environments, the effect of adhesive is poor, also easily cause circuit board to be shifted, so circuit board and pressure seat will be caused to interfere thus by Stress transmit to sensing head, reduce the measuring accuracy of sensor.Socket and circuit board adopt binding structure to fix simultaneously, on the circuit board in the contact pin and cavity of socket during welding lead, by limit in space, particularly when sensor overall volume is less, human weld can only be adopted, machine cannot be used, and also there is very large difficulty in human weld, the quality of welding quality is affected by human factors greatly, this structural reliability is low, is difficult to volume production, and owing to considering to hide line, inner space takies greatly, is not applicable to volume, requirement that cost requirement is higher.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides the circuit board mounting structure of the piezoresistive transducer that a kind of structure is reliable, easy for installation, volume is little.
The utility model solves the technical scheme that its technical matters adopts:
A kind of circuit board mounting structure of piezoresistive transducer, comprise pedestal, circuit board and socket, described pedestal rear end is provided with cavity, described socket is to being provided with atrium by cavity, described circuit board is arranged in cavity, perforation is provided with in the middle part of circuit board, positioning structure of circuit board is provided with between described circuit board and pedestal, positioning structure of circuit board comprises the inserting column and circuit board locating slot that match, described pedestal is provided with the endless groove of the sidewall insertion being convenient to atrium in cavity, the sidewall of cavity and the sidewall of atrium form bound edge syndeton, circuit board is welded with flexible member towards the one side of atrium, the flexible member other end contacts to be formed with the contact pin in socket and is electrically connected, the socket location structure facilitating flexible member alignment pin is provided with between described socket and pedestal, socket location structure comprises the positioning rib and socket positioning groove that cooperatively interact.
As the improvement of technique scheme, described inserting column is arranged on circuit boards, and described positioning rib is arranged on socket, and described circuit board locating slot and socket positioning groove are all arranged on pedestal.
Further, described circuit board locating slot is positioned at the side of socket positioning groove near base central, and the width of socket positioning groove is greater than the width of circuit board locating slot.
Further, the length of fit of described inserting column and circuit board locating slot is 0.5 ~ 5mm.
Further, the length of fit of described positioning rib and socket positioning groove is 0.5 ~ 5mm.
Further, described flexible member is spring or shell fragment.
Further, isolating pad is provided with between described circuit board and pedestal.
Further, the thickness of described isolating pad is 0.3 ~ 2mm.
Further, the described contact pin bend portions stretched in atrium becomes parallel with circuit board upper surface.
Further, O-ring seal is provided with between the sidewall of described atrium and endless groove.
The beneficial effects of the utility model are: the positioning structure of circuit board that the utility model matches owing to arranging inserting column and circuit board locating slot between circuit board and pedestal, the endless groove of the sidewall insertion being convenient to atrium is set in the cavity of pedestal, and the socket location structure that positioning rib and socket positioning groove match is set between socket with pedestal, can make circuit board and socket quick position on pedestal, quick and easy for installation, improve efficiency of assembling, without the need to applying adhesive, circuit board location is reliable, circuit board can be avoided to install and use displacement in process at sensor and cause the problem of interfering with pressure seat, thus ensure the measuring accuracy of sensor, formed owing to adopting flexible member between circuit board with socket and be electrically connected, without the need to reserved Tibetan space of lines, sensor overall volume is little, without the need to welding lead, reduces installation difficulty, and automation equipment can be adopted to assemble, and convenient batch production, production cost is low.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation that the utility model is applied on piezoresistive transducer;
Fig. 2 is the vertical view of pedestal;
Fig. 3 is the cut-open view of pedestal.
Embodiment
Referring to figs. 1 through Fig. 3, the circuit board mounting structure of a kind of piezoresistive transducer of the present utility model, comprise pedestal 1, circuit board 4 and socket 5, described pedestal 1 rear end is provided with cavity 11, described socket 5 is to being provided with atrium 51 by cavity 11, described circuit board 4 is arranged in cavity 11, perforation is provided with in the middle part of circuit board 4, pass for the pressure seat 2 of piezoresistive transducer and sensing head 3, positioning structure of circuit board is provided with between circuit board 4 and pedestal 1, positioning structure of circuit board comprises the inserting column 41 and circuit board locating slot 12 that match, described pedestal 1 is provided with the endless groove 13 of the sidewall insertion being convenient to atrium 51 in cavity 11, the sidewall of cavity 11 and the sidewall of atrium 51 form bound edge syndeton, circuit board 4 is welded with flexible member 6 towards the one side of atrium 51, flexible member 6 other end contacts to be formed with the contact pin 52 in socket 5 and is electrically connected, at this, described flexible member 6 can be spring or shell fragment, the shape of shell fragment does not limit, can be c-shaped, L shape or S shape etc., the producer can choose flexibly according to user demand.Described contact pin 52 bend portions stretched in atrium 51 becomes parallel with circuit board 4 upper surface, facilitates contact pin 52 to contact with flexible member 6, ensures to form good electrical contact between circuit board 4 and socket 5, ensures the reliability of sensor output signal.Be provided with the socket location structure facilitating flexible member 6 alignment pin 52 between described socket 5 and pedestal 1, socket location structure comprises the positioning rib 53 and socket positioning groove 14 that cooperatively interact.In the present embodiment, described positioning rib 53 is arranged on socket 5, positioning rib 53 is located on the inwall of atrium 51, described inserting column 41 arranges on the circuit board 4, circuit board 4 is provided with mounting hole, inserting column 41 welds on the circuit board 4 through after mounting hole, and described socket positioning groove 14 and circuit board locating slot 12 are all arranged on pedestal 1, facilitate pedestal 1 to process.In order to ensure that location is reliable, general circuit plate locating slot 12 and socket positioning groove 14 are provided with at least 2, circuit board locating slot 12 and socket positioning groove 14 are uniformly distributed around pedestal 1 center respectively, preferably, described circuit board locating slot 12 is positioned at the side of socket positioning groove 14 near pedestal 1 center, the width of socket positioning groove 14 is greater than the width of circuit board locating slot 12, add man-hour without the need to carrying out calibration for circuit board locating slot 12 and socket positioning groove 14 respectively, simplify manufacturing procedure, improve working (machining) efficiency.Certainly, described circuit board locating slot 12 and socket positioning groove 14 also can stagger mutually.
During the utility model assembling, first flexible member 6 is welded on the circuit board 4, then by the cooperation of inserting column 41 and circuit board locating slot 12, circuit board 4 is arranged on pedestal 1, then sensing head 3 and circuit board 4 is connected, then with coordinating of endless groove 13, socket 5 is installed on pedestal 1 by positioning rib 53 and socket positioning groove 14, atrium 51 sidewall, and adopts Wrapping method by the sidewall fastening of cavity 11 on the sidewall of atrium 51.This structure can make circuit board 4 and socket 5 quick position on pedestal 1, quick and easy for installation, improve efficiency of assembling, without the need to applying adhesive, circuit board 4 is located reliably, circuit board 4 can be avoided to install and use displacement in process at sensor and cause the problem of interfering with pressure seat 2, thus ensure the measuring accuracy of sensor, be electrically connected owing to adopting flexible member 6 to be formed between circuit board 4 with socket 5, without the need to reserved Tibetan space of lines, sensor overall volume is little, without the need to welding lead, reduce installation difficulty, automation equipment can be adopted to assemble, convenient batch production, production cost is low.
Preferably, described inserting column 41 is 0.5 ~ 5mm with the length of fit of circuit board locating slot 12.Inserting column 41 can be avoided to skid off in circuit board locating slot 12, ensure to locate reliably between pedestal 1 and circuit board 4.Similarly, described positioning rib 53 is 0.5 ~ 5mm with the length of fit of socket positioning groove 14, and positioning rib 53 can be avoided to skid off in socket positioning groove 14, ensures to locate reliably between pedestal 1 and socket 5.
Further, isolating pad 7 is provided with between described circuit board 4 and pedestal 1, can prevent circuit board 4 bottom surface and pedestal 1 from directly touching and cause the problems such as circuit board 4 short circuit, described isolating pad 7 can be welded on bottom circuit board 4, preferably, the thickness of described isolating pad 7 is 0.3 ~ 2mm, has both ensured the isolation effect of isolating pad 7, avoids again isolating pad 7 too thick and increases the volume of sensor.
Further, sensing head 3 is affected in order to prevent outside steam from entering in cavity 11, ensure that the measuring accuracy of sensor is unaffected, between the sidewall of described atrium 51 and endless groove 13, be provided with O-ring seal, in the sidewall that described O-ring seal is inlaid in atrium 51 or in endless groove 13.
Certainly, the utility model, except above-mentioned embodiment, can also have other structural distortion, and these equivalent technical solutions also should within its protection domain.
Claims (10)
1. the circuit board mounting structure of a piezoresistive transducer, comprise pedestal (1), circuit board (4) and socket (5), described pedestal (1) rear end is provided with cavity (11), described socket (5) is to being provided with atrium (51) by cavity (11), described circuit board (4) is arranged in cavity (11), circuit board (4) middle part is provided with perforation, it is characterized in that: between described circuit board (4) and pedestal (1), be provided with positioning structure of circuit board, positioning structure of circuit board comprises the inserting column (41) and circuit board locating slot (12) that match, described pedestal (1) is provided with the endless groove (13) of the sidewall insertion being convenient to atrium (51) in cavity (11), the sidewall of cavity (11) and the sidewall of atrium (51) form bound edge syndeton, circuit board (4) is welded with flexible member (6) towards the one side of atrium (51), flexible member (6) other end contacts to be formed with the contact pin (52) in socket (5) and is electrically connected, the socket location structure facilitating flexible member (6) alignment pin (52) is provided with between described socket (5) and pedestal (1), socket location structure comprises the positioning rib (53) and socket positioning groove (14) that cooperatively interact.
2. the circuit board mounting structure of a kind of piezoresistive transducer according to claim 1, it is characterized in that: described inserting column (41) is arranged on circuit board (4), described positioning rib (53) is arranged on socket (5), and described circuit board locating slot (12) and socket positioning groove (14) are all arranged on pedestal (1).
3. the circuit board mounting structure of a kind of piezoresistive transducer according to claim 2, it is characterized in that: described circuit board locating slot (12) is positioned at the side of socket positioning groove (14) near pedestal (1) center, and the width of socket positioning groove (14) is greater than the width of circuit board locating slot (12).
4. the circuit board mounting structure of a kind of piezoresistive transducer according to claim 1, is characterized in that: described inserting column (41) is 0.5 ~ 5mm with the length of fit of circuit board locating slot (12).
5. the circuit board mounting structure of a kind of piezoresistive transducer according to claim 1, is characterized in that: described positioning rib (53) is 0.5 ~ 5mm with the length of fit of socket positioning groove (14).
6. the circuit board mounting structure of a kind of piezoresistive transducer according to claim 1, is characterized in that: described flexible member (6) is spring or shell fragment.
7. the circuit board mounting structure of a kind of piezoresistive transducer according to claim 1, is characterized in that: be provided with isolating pad (7) between described circuit board (4) and pedestal (1).
8. the circuit board mounting structure of a kind of piezoresistive transducer according to claim 7, is characterized in that: the thickness of described isolating pad (7) is 0.3 ~ 2mm.
9. the circuit board mounting structure of a kind of piezoresistive transducer according to claim 1, is characterized in that: described contact pin (52) bend portions stretched in atrium (51) becomes parallel with circuit board (4) upper surface.
10. the circuit board mounting structure of a kind of piezoresistive transducer according to claim 1, is characterized in that: be provided with O-ring seal between the sidewall of described atrium (51) and endless groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420653972.6U CN204177515U (en) | 2014-11-03 | 2014-11-03 | A kind of circuit board mounting structure of piezoresistive transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420653972.6U CN204177515U (en) | 2014-11-03 | 2014-11-03 | A kind of circuit board mounting structure of piezoresistive transducer |
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| Publication Number | Publication Date |
|---|---|
| CN204177515U true CN204177515U (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420653972.6U Active CN204177515U (en) | 2014-11-03 | 2014-11-03 | A kind of circuit board mounting structure of piezoresistive transducer |
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| CN (1) | CN204177515U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990988A (en) * | 2017-12-29 | 2019-07-09 | 上海共联通信信息发展有限公司 | A kind of 4G wireless base station device board performance testing device |
| CN114486067A (en) * | 2020-10-26 | 2022-05-13 | 上海华依科技集团股份有限公司 | Automatic butt joint testing mechanism for sensor with 360-degree change of installation angle |
| CN116642623A (en) * | 2023-07-17 | 2023-08-25 | 广东润宇传感器股份有限公司 | Pressure sensor with pi-shaped structure pressure seat |
-
2014
- 2014-11-03 CN CN201420653972.6U patent/CN204177515U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990988A (en) * | 2017-12-29 | 2019-07-09 | 上海共联通信信息发展有限公司 | A kind of 4G wireless base station device board performance testing device |
| CN109990988B (en) * | 2017-12-29 | 2023-11-07 | 上海共联通信信息发展有限公司 | Board card performance testing device for 4G wireless base station equipment |
| CN114486067A (en) * | 2020-10-26 | 2022-05-13 | 上海华依科技集团股份有限公司 | Automatic butt joint testing mechanism for sensor with 360-degree change of installation angle |
| CN116642623A (en) * | 2023-07-17 | 2023-08-25 | 广东润宇传感器股份有限公司 | Pressure sensor with pi-shaped structure pressure seat |
| CN116642623B (en) * | 2023-07-17 | 2023-10-03 | 广东润宇传感器股份有限公司 | Pressure sensor with pi-shaped structure pressure seat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180111 Address after: Will the West Road hi tech industrial village main workshop 529100 in Guangdong province Jiangmen City Xinhui District Patentee after: Guangdong Yu Yu sensor Co., Ltd. Address before: Will the West Road 529100 Guangdong Xinhui District hi tech park in Jiangmen Province Patentee before: Xinhui Kangyu Control Systems Engineering Inc. |
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| TR01 | Transfer of patent right |