CN219870061U - Force sensor capable of continuously measuring underwater - Google Patents
Force sensor capable of continuously measuring underwater Download PDFInfo
- Publication number
- CN219870061U CN219870061U CN202321113644.2U CN202321113644U CN219870061U CN 219870061 U CN219870061 U CN 219870061U CN 202321113644 U CN202321113644 U CN 202321113644U CN 219870061 U CN219870061 U CN 219870061U
- Authority
- CN
- China
- Prior art keywords
- mounting hole
- waterproof
- force sensor
- sensor
- spiral cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 229920001971 elastomer Polymers 0.000 claims abstract description 26
- 239000000806 elastomer Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000005259 measurement Methods 0.000 claims abstract description 12
- 239000003292 glue Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims 2
- 238000009434 installation Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 239000000565 sealant Substances 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Landscapes
- Measurement Of Force In General (AREA)
Abstract
The utility model relates to the technical field of deepwater force sensors, in particular to a force sensor capable of continuously measuring underwater, which comprises a sensor elastomer, wherein a first mounting hole is formed in one end of the sensor elastomer. The utility model has the advantages that: through setting up the sensor elastomer, and first mounting hole has been seted up to the one end of sensor elastomer, two second mounting holes have all been seted up to the both sides at sensor elastomer middle part, and then be convenient for provide the mounted position for two resistance strain gauges and changer circuit board, through setting up four sealing washer, waterproof spiral cover, waterproof socket and four apron, and then be convenient for seal first mounting hole and four second mounting holes respectively, improve whole leakproofness, through setting up four sealed stuffing box, and then seal once more to four second mounting holes, effectively improve whole leakproofness, be convenient for make this sensor carry out continuous measurement in the deep water, effectively solve the problem that exists among the prior art.
Description
Technical Field
The utility model relates to the technical field of deepwater force sensors, in particular to a force sensor capable of continuously measuring underwater.
Background
The water depth measurement can be obtained through pressure measurement, most of the existing force sensors on the domestic market do not have underwater continuous measurement capability, particularly continuous measurement capability under high-pressure and deep-water environments, the traditional force sensors generally adopt an automatic compensation mode such as an electromagnetic valve and the like to measure pressure, but the structure is complex, the problem of poor sealing performance exists, and the problem is solved by providing a force sensor capable of continuously measuring underwater, adopting a transient liquid phase diffusion welding process to achieve the purpose of realizing the water-proof and pressure-resistant performance of the sensor through adding structures such as a waterproof spiral cover, an O-shaped sealing ring and a waterproof stuffing box, and realizing continuous measurement underwater.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, provides a force sensor capable of continuously measuring underwater, and effectively solves the defects of the prior art.
In order to achieve the above-mentioned purpose, an embodiment of an aspect of the present utility model provides a force sensor capable of continuous measurement under water, including a sensor elastomer, a first mounting hole is provided at one end of the sensor elastomer, the appearance of the first mounting hole is a stepped hole, a transmitter circuit board, a sealing ring, a waterproof spiral cover and a waterproof socket are sequentially provided in the first mounting hole from inside to outside, two notches are provided at two sides of the middle part of the sensor elastomer, four side walls of the notches are fixedly connected with sealing stuffing boxes, four side walls of the notches are provided with second mounting holes, the appearance of the four second mounting holes is a stepped hole, one end of the second mounting holes close to the inner wall of the sealing stuffing box is fixedly connected with a cover plate, one sides of the two second mounting holes far away from the cover plate are fixedly connected with a resistance strain gauge, and a wire passing hole is provided between the four second mounting holes and the first mounting holes.
By the preferred mode of above-mentioned arbitrary scheme, the changer circuit board passes through wire and two resistance strain gauge and waterproof socket electric connection, the changer circuit board passes through glue and one side fixed connection of first mounting hole inner wall, is convenient for communicate two resistance strain gauge each other through using this scheme, and then forms a set of full bridge wheatstone bridge, and when the sensor elastomer produced certain deformation, the inside resistance value of two resistance strain gauge changed, and then the change volume of sensor elastomer is measured according to the change volume of resistance value to the changer circuit board, later through calculation and processing, to outside output pressure electric signal.
By any of the above schemes, preferably, the sealing ring is located in the middle of the first mounting hole, and the outer wall of the sealing ring is respectively attached to one side of the first mounting hole and one side of the waterproof spiral cover.
By the preferred appearance of arbitrary scheme above-mentioned, waterproof spiral cover is the ring, waterproof spiral cover and the inner wall threaded connection of first mounting hole, two heavy grooves have been seted up to one side of waterproof spiral cover outer wall in this scheme, and then the user of being convenient for rotates waterproof spiral cover through outside instrument, before the installation, at the outer disc of waterproof spiral cover and the inner wall coating screw thread sealant of first mounting hole, and then be convenient for improve the leakproofness between waterproof spiral cover and the first mounting hole.
It is preferable in any of the above aspects that the waterproof socket is screw-coupled with the middle portion of the waterproof screw cap.
By the above-mentioned scheme preferably, four apron respectively with four second mounting holes fixed connection through the butt fusion mode, be convenient for apron and sensor elastomer carry out stable connection through using this scheme to seal four second mounting holes.
By above-mentioned arbitrary scheme preferably, two resistance strain gauge all pass through glue respectively with one side fixed connection of two second mounting hole inner walls, install two resistance strain gauge through using this scheme, and make two resistance strain gauge and sensor elastomer carry out even connection, when water pressure carries out even pressurized to the sensor elastomer, the sensor elastomer of being convenient for is convenient for drive two resistance strain gauge and takes place deformation, the transmitter circuit board of being convenient for measures and handles the deformation volume, later converts into the outside output of signal of telecommunication.
The utility model has the following advantages:
1. this but under water continuous measurement's force sensor, through setting up the sensor elastomer, and first mounting hole has been seted up to the one end of sensor elastomer, two second mounting holes have all been seted up at the both sides at sensor elastomer middle part, and then be convenient for provide mounted position for two resistance strain gauges and changer circuit board, through setting up four sealing washer, waterproof spiral cover, waterproof socket and four apron, and then be convenient for seal first mounting hole and four second mounting holes respectively, improve whole leakproofness, through setting up four sealed stuffing box, and then seal again to four second mounting holes, effectively improve whole leakproofness, be convenient for make this sensor carry out continuous measurement in the deep water, effectively solve the problem that exists among the prior art.
2. This but under water continuous measurement's force sensor through setting up first mounting hole and four second mounting holes, all is provided with the line hole between four second mounting holes and the first mounting hole simultaneously, and then is convenient for provide the installation passageway for the used wire of transmitter circuit board and two resistance strain gage and waterproof socket electric connection, and convenient to use person installs the wire.
Drawings
FIG. 1 is a schematic diagram of an explosive structure of the present utility model;
FIG. 2 is a schematic view of an assembled structure of the present utility model;
FIG. 3 is a schematic view of the present utility model in cross-section;
FIG. 4 is a schematic cross-sectional view of a sensor elastomer of the present utility model.
In the figure: the sensor comprises a sensor elastic body, a transmitter circuit board 2, a waterproof socket 3, a waterproof rotary cover 4, a sealing ring 5, a first mounting hole 6, a sealing stuffing box 7, a notch 8, a cover plate 9, a resistance strain gauge 10, a second mounting hole 11 and a wire passing hole 12.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.
As shown in fig. 1 to 4, a force sensor capable of continuously measuring underwater comprises a sensor elastic body 1, wherein a first mounting hole 6 is formed in one end of the sensor elastic body 1, the appearance of the first mounting hole 6 is a stepped hole, a transmitter circuit board 2, a sealing ring 5, a waterproof spiral cover 4 and a waterproof socket 3 are sequentially arranged in the first mounting hole 6 from inside to outside, two notches 8 are formed in two sides of the middle of the sensor elastic body 1, sealing stuffing boxes 7 are fixedly connected to side walls of the four notches 8, second mounting holes 11 are formed in the side walls of the four notches 8, a cover plate 9 is fixedly connected to one end, close to the inner wall of the sealing stuffing boxes 7, of the four second mounting holes 11, a resistance strain gauge 10 is fixedly connected to one side, far away from the cover plate 9, of the two second mounting holes 11, and a wire through hole 12 is formed between the four second mounting holes 11 and the first mounting holes 6.
The transmitter circuit board 2 is electrically connected with the two resistance strain gauges 10 and the waterproof socket 3 through wires, the transmitter circuit board 2 is fixedly connected with one side of the inner wall of the first mounting hole 6 through glue, as an alternative technical scheme of the utility model, the two resistance strain gauges 10 are conveniently communicated with each other, a group of full-bridge Wheatstone bridges are further formed, when the sensor elastic body 1 deforms to a certain extent, the resistance values inside the two resistance strain gauges 10 change, the transmitter circuit board 2 measures the deformation quantity of the sensor elastic body 1 according to the change quantity of the resistance values, and then pressure electric signals are output to the outside through calculation and processing.
The sealing ring 5 is located in the middle of the first mounting hole 6, the outer wall of the sealing ring 5 is respectively attached to one side of the first mounting hole 6 and one side of the waterproof spiral cover 4, as an optional technical scheme of the utility model, the sealing ring 5 is an O-shaped sealing ring, the size of the O-shaped sealing ring is national standard, and the O-shaped sealing ring is convenient for a user to directly purchase in the market and is convenient for the user to install.
The appearance of waterproof spiral cover 4 is the ring, waterproof spiral cover 4 and the inner wall threaded connection of first mounting hole 6, as an alternative technical scheme of the utility model, two heavy grooves have been seted up to one side of waterproof spiral cover 4 outer wall, and then the user of being convenient for rotates waterproof spiral cover 4 through outside instrument, before the installation, at the outer disc of waterproof spiral cover 4 and the inner wall coating screw thread sealant of first mounting hole 6, and then be convenient for improve the leakproofness between waterproof spiral cover 4 and the first mounting hole 6.
The waterproof socket 3 is in threaded connection with the middle part of the waterproof spiral cover 4, as an alternative technical scheme of the utility model, the waterproof socket 3 can adopt a waterproof aviation socket, a user can purchase in the market directly, a boss is arranged in the middle of the socket, the user can rotate the waterproof socket 3 through tools such as a spanner, in addition, before installation, the outer wall of the waterproof socket 3 is coated with thread sealant, and after the waterproof socket 3 is in threaded connection with the waterproof spiral cover 4, the sealing performance between the waterproof socket 3 and the waterproof spiral cover 4 is improved conveniently.
The four cover plates 9 are fixedly connected with the four second mounting holes 11 respectively in a welding mode, as an alternative technical scheme of the utility model, the four cover plates 9 are made of a material with a melting point lower than that of the sensor elastomer 1 as an intermediate layer, when the sensor elastomer 1 is heated to a connecting temperature, the intermediate layer is melted, an instant liquid film is formed on a joint surface, in the heat preservation process, the thickness of the liquid film is reduced along with the diffusion of a low-melting-point component to a base material until the liquid film disappears, the generation of a component homogenization liquid phase is carried out through heat preservation for a certain time, the intermediate diffusion intermediate layer material is clamped between the connected surfaces, perfect welding is finally formed, and the sealing stuffing box 7 directly covers the outer wall of the cover plate 9, so that the final waterproof protection effect is achieved.
The two resistance strain gauges 10 are fixedly connected with one sides of the inner walls of the two second mounting holes 11 respectively through glue, so that a user can conveniently mount the two resistance strain gauges 10, the two resistance strain gauges 10 are uniformly connected with the sensor elastic body 1, when the water pressure uniformly presses the sensor elastic body 1, the sensor elastic body 1 is convenient for driving the two resistance strain gauges 10 to deform, the deformation amount of the transducer circuit board 2 is convenient to measure and process, and then the deformation amount is converted into an electric signal to be output to the outside.
The force sensor capable of being continuously measured underwater needs the following steps when in use:
1) When the electric resistance strain gauge is used, the transmitter circuit board 2 is fixedly connected with the inner walls of the first mounting holes 6, and the two resistance strain gauges 10 are fixedly connected with the inner walls of the two second mounting holes 11;
2) The transmitter circuit board 2 is electrically connected with two resistance strain gauges 10 and a waterproof socket 3 through wires, meanwhile, the wires are respectively arranged in a wire through hole 12, and the two resistance strain gauges 10 are connected into a group of full-bridge Wheatstone bridges;
3) The four cover plates 9 are respectively and fixedly connected with the second mounting holes 11, the four sealing stuffing boxes 7 are respectively and fixedly connected with the four notch 8, the waterproof spiral cover 4 is in threaded connection with the first mounting holes 6, the waterproof socket 3 is in threaded connection with the waterproof spiral cover 4, and the waterproof spiral cover 4 and the first mounting holes 6 and the waterproof socket 3 and the waterproof spiral cover 4 are coated with thread sealant;
4) The sensor is put into water, the water pressure uniformly presses the sensor elastic body 1, the sensor elastic body 1 is deformed to a certain extent, the deformation amount is measured by the two resistance strain gauges 10, and then the sensor is integrated through the transmitter circuit board 2, and an electric signal is output to the outside.
To sum up, when the user uses, through setting up sensor elastomer 1, and first mounting hole 6 has been seted up to the one end of sensor elastomer 1, two second mounting holes 11 have all been seted up to the both sides at sensor elastomer 1 middle part, and then be convenient for provide the mounted position for two resistance strain gauge 10 and changer circuit board 2, through setting up four sealing washer 5, waterproof spiral cover 4, waterproof socket 3 and four apron 9, and then be convenient for seal first mounting hole 6 and four second mounting holes 11 respectively, improve whole leakproofness, through setting up four sealed stuffing box 7, and then seal again the going on of four second mounting holes 11, effectively improve whole leakproofness, be convenient for make this sensor carry out continuous measurement in the deep water, effectively solve the problem that exists among the prior art, the rethread sets up first mounting hole 6 and four second mounting holes 11, all be provided with wire hole 12 between four second mounting holes 11 and the first mounting hole 6 simultaneously, and be convenient for carry out the wire guide wire installation passageway for the sender circuit board 2 and two resistance strain gauge 10 and waterproof socket 3 electrical property and use the wire installation user of wire.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A force sensor capable of continuous measurement under water, characterized in that: including sensor elastomer (1), first mounting hole (6) have been seted up to the one end of sensor elastomer (1), the appearance of first mounting hole (6) is the shoulder hole, first mounting hole (6) have set gradually transmitter circuit board (2), sealing washer (5), waterproof spiral cover (4) and waterproof socket (3) from interior to exterior, two notch (8) have all been seted up to the both sides at sensor elastomer (1) middle part, four the equal fixedly connected with sealing packing box (7) of lateral wall of notch (8), four second mounting hole (11) have all been seted up to the lateral wall of notch (8), four the appearance of second mounting hole (11) is the shoulder hole, four the one end that second mounting hole (11) are close to sealing packing box (7) inner wall is equal fixedly connected with apron (9), two one side that apron (9) were kept away from to second mounting hole (11) is equal fixedly connected with resistance strain gauge (10), four between second mounting hole (11) and first mounting hole (6) all set up through-hole (12).
2. A force sensor continuously measurable under water as claimed in claim 1, wherein: the transmitter circuit board (2) is electrically connected with the two resistance strain gauges (10) and the waterproof socket (3) through wires, and the transmitter circuit board (2) is fixedly connected with one side of the inner wall of the first mounting hole (6) through glue.
3. A force sensor continuously measurable under water as claimed in claim 2, wherein: the sealing ring (5) is located in the middle of the first mounting hole (6), and the outer wall of the sealing ring (5) is respectively attached to one side of the first mounting hole (6) and one side of the waterproof spiral cover (4).
4. A force sensor continuously measurable under water according to claim 3, wherein: the appearance of waterproof spiral cover (4) is the ring, waterproof spiral cover (4) and the inner wall threaded connection of first mounting hole (6).
5. A force sensor continuously measurable under water as claimed in claim 4, wherein: the waterproof socket (3) is in threaded connection with the middle part of the waterproof spiral cover (4).
6. A force sensor for continuous measurement under water as defined in claim 5, wherein: the four cover plates (9) are fixedly connected with the four second mounting holes (11) respectively in a welding mode.
7. A force sensor continuously measurable under water as claimed in claim 6, wherein: the two resistance strain gauges (10) are fixedly connected with one sides of the inner walls of the two second mounting holes (11) respectively through glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321113644.2U CN219870061U (en) | 2023-05-10 | 2023-05-10 | Force sensor capable of continuously measuring underwater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321113644.2U CN219870061U (en) | 2023-05-10 | 2023-05-10 | Force sensor capable of continuously measuring underwater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219870061U true CN219870061U (en) | 2023-10-20 |
Family
ID=88341796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321113644.2U Active CN219870061U (en) | 2023-05-10 | 2023-05-10 | Force sensor capable of continuously measuring underwater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219870061U (en) |
-
2023
- 2023-05-10 CN CN202321113644.2U patent/CN219870061U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1296687C (en) | Telemetering high-temp pressure resistant / differential pressure sensor | |
| CN202903128U (en) | Strain measuring device for concrete structural body | |
| CN107219027A (en) | A kind of encapsulating structure of ceramic capacitive pressure sensors | |
| CN219870061U (en) | Force sensor capable of continuously measuring underwater | |
| CN206618452U (en) | A kind of intelligent control ultrasonic water meter | |
| CN212721823U (en) | Sensor core and sensor | |
| CN207662543U (en) | Engineering machinery diaphragm pressure sensor | |
| CN218885058U (en) | Liquid level sensor | |
| CN108760137A (en) | A kind of teletransmission component and the teletransmission pressure transmitter including the teletransmission component | |
| CN103884399A (en) | Liquid level transmitter | |
| CN105136377A (en) | Sputtering film hammering union pressure sensor | |
| CN110749775A (en) | Deep sea conductivity sensor | |
| CN111289371A (en) | Composite material shell external pressure resistance structure response measuring device and method | |
| CN204718729U (en) | A kind of sewage pressure transmitter | |
| CN210126339U (en) | Laminating mechanism based on pressure detection | |
| CN208872460U (en) | Flat membranous type pressure transmitter | |
| CN208443445U (en) | A kind of encapsulating structure of temperature and pressure integrative sensor | |
| CN210719509U (en) | Zero-adjustable miniature high-protection pressure transmitter | |
| CN212521767U (en) | Silica gel sensor and sensing device | |
| CN112525410A (en) | Novel filling medium high-temperature melt pressure sensor | |
| CN103471733B (en) | A kind of sensor construction measured for a long time for deep water offshore engineering structure stress | |
| CN206540648U (en) | A kind of digital force snesor of great force value | |
| CN206891621U (en) | A kind of encapsulating structure of ceramic capacitive pressure sensors | |
| CN218156635U (en) | Novel high-pressure ceramic sealing structure | |
| CN211123033U (en) | Deep sea conductivity sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |