CN210638831U - Pressure sensor gasket - Google Patents
Pressure sensor gasket Download PDFInfo
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- CN210638831U CN210638831U CN201921073060.0U CN201921073060U CN210638831U CN 210638831 U CN210638831 U CN 210638831U CN 201921073060 U CN201921073060 U CN 201921073060U CN 210638831 U CN210638831 U CN 210638831U
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- pressure sensor
- gasket
- strain gauge
- gaskets
- gauge pressure
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Abstract
The utility model provides a pressure sensor packing ring, includes gasket, pressure drag strain type pressure sensor, glue film and signal emission device, and the gasket is two, upper and lower parallel arrangement on above-mentioned two gaskets, and pressure drag strain type pressure sensor sets up in the middle of two gaskets, and the glue film cladding is in the outside of gasket and pressure drag strain type pressure sensor and signal emission device, and signal emission device is connected with pressure drag strain type pressure sensor. When the pressure borne by the gasket is changed, the resistance of the piezoresistive strain type pressure sensor between the gaskets is changed, the near-field communication module transmits the current value of the changed piezoresistive strain type pressure sensor to the reading device, and once the value is changed, the fixed state of the anchor bolt is changed possibly, so that the anchor bolt fixed state can be inspected in batches quickly, and the detection precision is high.
Description
Technical Field
The utility model relates to a fastener field, specifically speaking relates to a pressure sensor packing ring.
Background
The gasket is a part between the connected piece and the nut, is generally a flat metal ring, is used for protecting the surface of the connected piece from being scratched by the nut, can increase the contact area between the connected piece and the nut, and disperses the pressure of the nut on the connected piece, so that the gasket can bear larger pressure; when using on the fastener, the fastener receives external shock and always produces the pine and takes off, and firm piece in case the pine takes off then can reduce the pressure to being fastened, influences the fastening effect to the fastener displacement volume is little when the pine takes off, and people's naked eye is difficult to distinguish, and difficult timely discovery, and the fastener weakens greatly to the pressure of gasket, and the accessible detects the pressure that the gasket receives and detects whether the fastener is not hard up.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model aims to provide a pressure sensor gasket to overcome the defects in the prior art.
In order to realize the above object, the utility model provides a pressure sensor packing ring, including gasket, pressure drag strain gauge pressure sensor, glue film and signal emission device, the gasket is two, and parallel arrangement about the two above-mentioned gaskets, pressure drag strain gauge pressure sensor set up in the middle of two gaskets, and the glue film cladding is in gasket and pressure drag strain gauge pressure sensor and signal emission device's outside, and signal emission device is connected with pressure drag strain gauge pressure sensor.
Preferably, the signal transmitting device is a near field communication module.
Preferably, the signal emitting device is arranged on a piezoresistive strain gauge pressure sensor.
The piezoresistive strain type pressure sensor is a piezoresistive film pressure sensor.
The lead-out wires of the piezoresistive strain type pressure sensor are arranged in parallel to form a plurality of lead-out wires, each lead-out wire corresponds to one of the wiring terminals, and the lead-out wires are radially led out along different directions.
The utility model discloses a another kind of pressure sensor packing ring, including gasket, pressure drag strain gauge pressure sensor, glue film and lead-out wire, the gasket is two, upper and lower parallel arrangement on the above-mentioned two gaskets, pressure drag strain gauge pressure sensor sets up in the middle of two gaskets, and the glue film cladding is in gasket and pressure drag strain gauge pressure sensor's outside, and the lead-out wire passes glue film one end and is connected with pressure drag strain gauge pressure sensor, and the other end of lead-out wire sets up the binding post that is connected with outside reading equipment.
The utility model discloses following beneficial effect has:
when the pressure sensor gasket of the utility model is applied to anchor bolt fastening, the pressure borne by the gasket can be detected by the piezoresistive strain type pressure sensor in the gasket, when the pressure borne by the gasket changes, the resistance of the piezoresistive strain type pressure sensor between gaskets changes, and when the near field communication module is activated by a corresponding reading device, the current value after the change of the piezoresistive strain type pressure sensor is transmitted to the reading device, once the numerical value changes, the fixed state of the anchor bolt is probably changed, the fixed state of the anchor bolt can be favorably and rapidly checked in batches, and the detection precision is high; set up the glue film and encapsulate gasket and pressure resistance strain type pressure sensor, can avoid pressure sensor impaired, improve pressure sensor's life. Additionally the utility model discloses can also directly be connected with pressure drag strain gauge pressure sensor through the lead-out wire, the information that external equipment can directly read pressure sensor through the binding post of connecting the lead-out wire, and the structure is simpler, and the cost is lower.
Drawings
Fig. 1 is a schematic cross-sectional view of a pressure sensor gasket according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a piezoresistive strain gauge pressure sensor according to a first embodiment of the present invention.
FIG. 3 is a schematic cross-sectional view of a second embodiment of the pressure sensor gasket of the present invention;
fig. 4 is a schematic structural diagram of a piezoresistive strain gauge pressure sensor according to a second embodiment of the present invention.
Detailed Description
In order to further understand the structure, characteristics and other objects of the present invention, the following detailed description is given with reference to the accompanying preferred embodiments, which are only used to illustrate the technical solution of the present invention and are not intended to limit the present invention.
As shown in fig. 1 and 2, the utility model discloses a pressure sensor packing ring, including gasket 1, pressure drag strain type pressure sensor 2, glue film 3 and signal emission device 6, the gasket is two, parallel arrangement on the upper and lower of above-mentioned two gaskets, pressure drag strain type pressure sensor 2 sets up in the middle of two gaskets 1, and the glue film 3 cladding is in gasket 1 and pressure drag strain type pressure sensor 2 and signal emission device's outside, and signal emission device is connected with pressure drag strain type pressure sensor.
The piezoresistive strain type pressure sensor is a film pressure sensor.
The utility model discloses a when the pressure sensor packing ring is applied to the crab-bolt fastening, the pressure that the piezoresistance strain type pressure sensor detectable packing ring in the packing ring receives, when the pressure that the packing ring receives changes, the 7 clearances of circuit of piezoresistance strain type pressure sensor change between the gasket, thereby arouse that resistance changes, near field communication module is by corresponding reading device activation, transmit the current value after the piezoresistance strain type pressure sensor changes to reading device, in case numerical value changes, it probably changes to explain the fixed state of crab-bolt, can do benefit to and patrol and examine in batches the crab-bolt fixed state fast, it is high to detect the precision; set up the glue film and encapsulate gasket and pressure resistance strain type pressure sensor, can avoid pressure sensor impaired, improve pressure sensor's life.
The signal transmitting device is a near field communication module, an RFID or NFC chip can be adopted as the signal transmitting device, the signal transmitting device is a passive structure, and the signal transmitting device can be activated when a receiver in inspection approaches.
In order to ensure the miniaturization of the device, the signal transmitting device can be arranged on a circuit board of the piezoresistive strain type pressure sensor.
As shown in fig. 3 and 4, the utility model discloses a second pressure sensor packing ring, including gasket 1, pressure drag strain type pressure sensor 2, glue film 3 and lead-out wire 4, the gasket is two, on the above-mentioned two gaskets, parallel arrangement down, pressure drag strain type pressure sensor 2 sets up in the middle of two gaskets 1, and the cladding of glue film 3 is in gasket 1 and pressure drag strain type pressure sensor 2's outside, and the lead-out wire passes glue film one end and is connected with pressure drag strain type pressure sensor, and the other end setting of lead-out wire is connected with outside reading equipment binding post 5.
The piezoresistive strain type pressure sensor is a film pressure sensor.
Six outgoing lines 4 of the piezoresistive strain type pressure sensor are arranged in parallel, each outgoing line corresponds to the wiring terminal 5, the outgoing lines are radially led out along different directions, and when the piezoresistive strain type pressure sensor is used, reading equipment can be connected with any one wiring terminal, so that the flexibility in use is improved.
Compared with the first embodiment, the technical scheme in the second embodiment has a simpler structure, eliminates a wireless communication mode, adopts the direct connection of the outgoing lines, and has lower cost and lower failure rate although the use is slightly complicated.
It should be noted that the above mentioned embodiments and embodiments are intended to demonstrate the practical application of the technical solution provided by the present invention, and should not be interpreted as limiting the scope of the present invention. Various modifications, equivalent substitutions and improvements will occur to those skilled in the art and are intended to be within the spirit and scope of the present invention. The protection scope of the present invention is subject to the appended claims.
Claims (7)
1. The utility model provides a pressure sensor packing ring, its characterized in that includes gasket, pressure drag strain gauge pressure sensor, glue film and signal emission device, and the gasket is two, and above-mentioned two gaskets upper and lower parallel arrangement, pressure drag strain gauge pressure sensor set up in the middle of two gaskets, and the glue film cladding is in the outside of gasket, pressure drag strain gauge pressure sensor and signal emission device, and signal emission device is connected with pressure drag strain gauge pressure sensor.
2. The gasket of claim 1 wherein the signal emitting device is a near field communication module.
3. The gasket of claim 2 wherein the signal emitting means is disposed on a piezoresistive strain gauge pressure sensor.
4. A pressure sensor gasket of claim 3 wherein the piezoresistive strain gauge pressure sensors are piezoresistive thin film pressure sensors.
5. The utility model provides a pressure sensor packing ring, its characterized in that includes gasket, pressure drag strain gauge pressure sensor, glue film and lead-out wire, and the gasket is two, upper and lower parallel arrangement on above-mentioned two gaskets, and pressure drag strain gauge pressure sensor sets up in the middle of two gaskets, and the glue film cladding is in gasket and pressure drag strain gauge pressure sensor's outside, and the lead-out wire passes glue film one end and is connected with pressure drag strain gauge pressure sensor, and the other end of lead-out wire sets up the binding post that is connected with outside reading equipment.
6. A pressure sensor gasket of claim 5 wherein the piezoresistive strain gauge pressure sensors are piezoresistive thin film pressure sensors.
7. The gasket for a pressure sensor according to claim 6, wherein a plurality of lead wires of the piezoresistive strain gauge pressure sensor are arranged in parallel, each lead wire corresponds to a terminal, and the lead wires are radially led out in different directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921073060.0U CN210638831U (en) | 2019-07-10 | 2019-07-10 | Pressure sensor gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921073060.0U CN210638831U (en) | 2019-07-10 | 2019-07-10 | Pressure sensor gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210638831U true CN210638831U (en) | 2020-05-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921073060.0U Active CN210638831U (en) | 2019-07-10 | 2019-07-10 | Pressure sensor gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210638831U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243505A (en) * | 2019-07-10 | 2019-09-17 | 法施达科技有限公司 | A kind of pressure sensor washer |
-
2019
- 2019-07-10 CN CN201921073060.0U patent/CN210638831U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243505A (en) * | 2019-07-10 | 2019-09-17 | 法施达科技有限公司 | A kind of pressure sensor washer |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 300399 Zone E, Intersection of Changxing Road and Fude Road, Baodi Plastic Products Industrial Zone, Tianjin Patentee after: Fashida (Tianjin) Intelligent Technology Co.,Ltd. Address before: No. 1, Approach Channel, Jinqiao Industrial Park, Dongli District, Tianjin, 300399 Patentee before: FASTEN (DALIAN) ENGINEERING MATERIALS Co.,Ltd. |