CN215984955U - IP68 type piezoresistive pressure transmitter - Google Patents
IP68 type piezoresistive pressure transmitter Download PDFInfo
- Publication number
- CN215984955U CN215984955U CN202122474991.5U CN202122474991U CN215984955U CN 215984955 U CN215984955 U CN 215984955U CN 202122474991 U CN202122474991 U CN 202122474991U CN 215984955 U CN215984955 U CN 215984955U
- Authority
- CN
- China
- Prior art keywords
- pressure transmitter
- piezoresistive pressure
- thick bamboo
- thread section
- transmitter body
- 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
Images
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model relates to the technical field of fluid pressure detection and control equipment, and discloses an IP68 type piezoresistive pressure transmitter, which comprises a piezoresistive pressure transmitter body, wherein a sealing mechanism used for sealing the piezoresistive pressure transmitter body is arranged on the inner wall of the piezoresistive pressure transmitter body. This IP68 type piezoresistive pressure transmitter, can make the inside and the external world of piezoresistive pressure transmitter body keep apart through seal ring, increase the waterproof sealing effect of piezoresistive pressure transmitter body, the sealed structure that connecting thread section of thick bamboo and fastening thread section of thick bamboo surface coating is glued, can fill connecting thread section of thick bamboo and fastening thread section of thick bamboo and the space of piezoresistive pressure transmitter body threaded connection department, the leakproofness of threaded connection department has been increased, through the inside AB silicon rubber of filling to the piezoresistive pressure transmitter body, make the inside and the outside of its piezoresistive pressure transmitter body isolated, prolong its life, the poor problem of sealed effect has been solved.
Description
Technical Field
The utility model relates to the technical field of fluid pressure detection control equipment, in particular to an IP68 type piezoresistive pressure transmitter.
Background
The piezoresistive pressure sensor is formed by using the piezoresistive effect of monocrystalline silicon, a monocrystalline silicon wafer is used as an elastic element, a group of equivalent resistors are diffused in the specific direction of the monocrystalline silicon by using the process of an integrated circuit on the monocrystalline silicon wafer, the resistors are connected into a bridge circuit, the monocrystalline silicon wafer is arranged in a sensor cavity, when the pressure changes, the monocrystalline silicon generates strain, the strain resistors directly diffused on the monocrystalline silicon generate change in direct proportion to the measured pressure, and then the bridge circuit obtains a corresponding voltage output signal.
The existing piezoresistive pressure transmitter can achieve a good effect when being measured in a common environment, but in severe environments and other environments, the aging of a line can be caused, and higher requirements on sealing, water prevention and the like of the sensor are also made, while the use of the normal piezoresistive pressure transmitter is influenced by poor sealing performance of the traditional piezoresistive pressure transmitter under the condition, so that the piezoresistive pressure transmitter of the IP68 type is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the IP68 type piezoresistive pressure transmitter which has the advantage of good sealing effect and solves the problem of poor sealing effect.
In order to achieve the purpose of good sealing effect, the utility model provides the following technical scheme: IP68 type piezoresistive pressure transmitter, including the piezoresistive pressure transmitter body, the inner wall of pressure transmitter body is provided with and is used for carrying out the sealing mechanism that seals to the piezoresistive pressure transmitter body, sealing mechanism includes connecting thread section of thick bamboo, hexagonal screw, fastening thread section of thick bamboo, seal ring and seal structure glue, the inner wall threaded connection of pressure transmitter body has a screw thread section of thick bamboo, one side fixed mounting that the piezoresistive pressure transmitter body was kept away from to the screw thread section of thick bamboo has the hexagonal screw, the fixed surface of pressure transmitter body installs the fastening thread section of thick bamboo, seal ring has all been cup jointed to the surface of a screw thread section of thick bamboo and fastening thread section of thick bamboo, the surface of a screw thread section of thick bamboo and fastening thread section of thick bamboo all is provided with seal structure glue.
Furthermore, one side of the hexagonal screw, which is far away from the connecting threaded cylinder, is fixedly provided with a detection probe, and AB silicon rubber is filled in the piezoresistive pressure transmitter body.
Furthermore, the piezoresistive pressure transmitter body is in threaded connection with the threaded cylinder through a threaded hole, the outer surface of the fastening threaded cylinder is in threaded connection with a connecting nut, a threaded connecting hole is formed in the connecting nut, and the connecting nut is in threaded connection with the threaded cylinder through the threaded connecting hole.
Furthermore, a corrugated pipe is fixedly mounted on one side, away from the threaded cylinder, of the connecting nut, and the corrugated pipe is made of alloy steel.
Furthermore, one side of the corrugated pipe, which is far away from the connecting nut, is fixedly provided with a wiring end, and the wiring end is sealed in a plastic package mode.
Furthermore, a connecting end is fixedly installed on one side, away from the corrugated pipe, of the wiring end, and a mounting hole is formed in the connecting end.
Compared with the prior art, the utility model provides the IP68 piezoresistive pressure transmitter, which has the following beneficial effects:
the IP68 piezoresistive pressure transmitter comprises a hexagonal screw, a sealing structure adhesive, a connecting thread cylinder, a sealing washer and a fastening thread cylinder, wherein the sealing washer can isolate the inside and the outside of a piezoresistive pressure transmitter body, so that the waterproof sealing effect of the piezoresistive pressure transmitter body is improved, the sealing structure adhesive is coated on the outer surfaces of the connecting thread cylinder and the fastening thread cylinder, the gap at the threaded connection part of the connecting thread cylinder and the fastening thread cylinder and the piezoresistive pressure transmitter body can be filled, the sealing property of the threaded connection part is improved, the sealing effect of the piezoresistive pressure transmitter body is ensured, the inside of the piezoresistive pressure transmitter body is isolated from the outside by filling AB silicon rubber into the inside of the piezoresistive pressure transmitter body, the service life of the piezoresistive pressure transmitter body is prolonged, the aging of a wire can be prevented by arranging a corrugated pipe, and the wire is sealed in a plastic package mode by arranging a wiring terminal, the stability of signal transmission is guaranteed, water is prevented from flowing backwards during measurement, and the problem of poor sealing effect is solved.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a front view of a structural connecting threaded barrel of the present invention;
FIG. 3 is a front view of a structural fastening screw barrel of the present invention.
In the figure: 1 piezoresistive pressure transmitter body, 2 hexagonal screws, 3 detecting probes, 4 sealing structure glues, 5 connecting thread cylinders, 6 sealing washers, 7 fastening thread cylinders, 8 connecting nuts, 9 corrugated pipes, 10 wiring ends and 11 connecting ends.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the IP68 type piezoresistive pressure transmitter includes a piezoresistive pressure transmitter body 1;
wherein, the inner wall of the pressure transmitter body 1 is provided with a sealing mechanism for sealing the piezoresistive pressure transmitter body 1, the sealing mechanism comprises a connecting thread cylinder 5, a hexagonal screw 2, a fastening thread cylinder 7, a sealing washer 6 and sealing structure glue 4, the sealing washer 6 can isolate the inside and the outside of the piezoresistive pressure transmitter body 1, the waterproof sealing effect of the piezoresistive pressure transmitter body 1 is increased, the sealing structure glue 4 is coated on the outer surfaces of the connecting thread cylinder 5 and the fastening thread cylinder 7, the gap at the threaded connection part of the connecting thread cylinder 5 and the fastening thread cylinder 7 and the piezoresistive pressure transmitter body 1 can be filled, the sealing property of the threaded connection part is increased, the sealing effect of the piezoresistive pressure transmitter body 1 is ensured, the inner wall of the pressure transmitter body 1 is in threaded connection with the thread cylinder 5, one side of the thread cylinder 5, which is far away from the piezoresistive pressure transmitter body 1, is fixedly provided with the hexagonal screw 2, the outer fixed surface of pressure transmitter body 1 installs fastening screw section of thick bamboo 7, and seal ring 6 has all been cup jointed to the surface of a screw section of thick bamboo 5 and fastening screw section of thick bamboo 7, and seal ring 6's material is rubber, and the surface of a screw section of thick bamboo 5 and fastening screw section of thick bamboo 7 all is provided with sealing structure and glues 4.
Referring to fig. 1, a connecting end 11 is fixedly installed on one side of the wiring end 10 away from the corrugated pipe 9, an installation hole is formed in the connecting end 11, a detection probe 3 is fixedly installed on one side of the hexagonal screw 2 away from the connecting threaded cylinder 5, and AB silicon rubber is filled in the piezoresistive pressure transmitter body 1.
It should be noted that, the mounting hole is not shown in the drawing, and the AB silicone rubber is poured into the piezoresistive pressure transmitter body 1, so that components inside the piezoresistive pressure transmitter body 1 can be isolated from the outside, and thus the piezoresistive pressure transmitter is effectively sealed.
Referring to fig. 1-3, a bellows 9 is fixedly mounted on one side of a connection nut 8 far away from a threaded cylinder 5, the bellows 9 is made of alloy steel, a wiring terminal 10 is fixedly mounted on one side of the bellows 9 far away from the connection nut 8, the wiring terminal 10 is sealed in a plastic package mode to ensure the stability of signal transmission and prevent water from being poured in during measurement, a piezoresistive pressure transmitter body 1 is in threaded connection with the threaded cylinder 5 through a threaded hole, a connection nut 8 is in threaded connection with the outer surface of a fastening threaded cylinder 7, a threaded connection hole is formed in the connection nut 8, and the connection nut 8 is in threaded connection with a threaded cylinder 4 through the threaded connection hole.
It should be noted that the threaded hole and the threaded connection hole are not shown in the figure, the threaded cylinder 5 is in threaded connection with the piezoresistive pressure transmitter body 1 and in threaded connection with the fastening threaded cylinder 7 and the connection nut 8, and can be in contact with the pressure transmitter body 1, the fastening threaded cylinder 7, the threaded cylinder 5 and the connection nut 8 under the filling of the sealing structure glue 4, so as to fill the gap at the threaded connection part, and the pressure transmitter body 1 is made of alloy steel.
The beneficial effects of the above embodiment are as follows:
the IP68 type piezoresistive pressure transmitter comprises a hexagonal screw 2, a sealing structure adhesive 4, a connecting thread cylinder 5, a sealing washer 6 and a fastening thread cylinder 7, wherein the sealing washer 6 can isolate the inside and the outside of the piezoresistive pressure transmitter body 1, so that the waterproof sealing effect of the piezoresistive pressure transmitter body 1 is improved, the sealing structure adhesive 4 is coated on the outer surfaces of the connecting thread cylinder 5 and the fastening thread cylinder 7, so that the gap between the connecting thread cylinder 5 and the fastening thread cylinder 7 and the threaded connection part of the piezoresistive pressure transmitter body 1 can be filled, the sealing property of the threaded connection part is improved, the sealing effect of the piezoresistive pressure transmitter body 1 is ensured, the inside and the outside of the piezoresistive pressure transmitter body 1 are isolated by filling AB silicon rubber into the piezoresistive pressure transmitter body 1, the service life of the piezoresistive pressure transmitter body 1 is prolonged, and the corrugated pipe 9 is arranged, can prevent ageing of line, seal with the plastic envelope mode through setting up wiring end 10 to guarantee signal transmission's stability, prevent to measure occasionally that water pours into, solved the poor problem of sealed effect.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
- IP68 type piezoresistive pressure transmitter, comprising a piezoresistive pressure transmitter body (1), characterized in that: the inner wall of the pressure transmitter body (1) is provided with a sealing mechanism for sealing the piezoresistive pressure transmitter body (1);sealing mechanism includes that connecting thread section of thick bamboo (5), hexagonal screw (2), fastening thread section of thick bamboo (7), seal ring (6) and seal structure glue (4), the inner wall threaded connection of pressure transmitter body (1) has a thread section of thick bamboo (5), one side fixed mounting that piezoresistive pressure transmitter body (1) was kept away from in thread section of thick bamboo (5) has hexagonal screw (2), the fixed surface of pressure transmitter body (1) installs fastening thread section of thick bamboo (7), seal ring (6) have all been cup jointed to the surface of a thread section of thick bamboo (5) and fastening thread section of thick bamboo (7), the surface of a thread section of thick bamboo (5) and fastening thread section of thick bamboo (7) all is provided with seal structure and glues (4).
- 2. The IP 68-type piezoresistive pressure transmitter according to claim 1, wherein: one side of the hexagonal screw (2) far away from the connecting threaded cylinder (5) is fixedly provided with a detection probe (3), and AB silicon rubber is filled in the piezoresistive pressure transmitter body (1).
- 3. The IP 68-type piezoresistive pressure transmitter according to claim 1, wherein: piezoresistive pressure transmitter body (1) passes through a screw hole and a screw thread section of thick bamboo (5) threaded connection, the surface threaded connection of fastening screw thread section of thick bamboo (7) has coupling nut (8), and the inside of coupling nut (8) has seted up threaded connection hole, and coupling nut (8) pass through threaded connection hole and a screw thread section of thick bamboo (5) threaded connection.
- 4. The IP 68-type piezoresistive pressure transmitter according to claim 3, wherein: one side of the connecting nut (8) far away from the threaded cylinder (5) is fixedly provided with a corrugated pipe (9), and the corrugated pipe (9) is made of alloy steel.
- 5. The IP 68-type piezoresistive pressure transmitter according to claim 4, wherein: one side of the corrugated pipe (9) far away from the connecting nut (8) is fixedly provided with a wiring end (10), and the wiring end (10) is sealed in a plastic package mode.
- 6. The IP 68-type piezoresistive pressure transmitter according to claim 5, wherein: one side of the wiring end (10) far away from the corrugated pipe (9) is fixedly provided with a connecting end (11), and a mounting hole is formed in the connecting end (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122474991.5U CN215984955U (en) | 2021-10-14 | 2021-10-14 | IP68 type piezoresistive pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122474991.5U CN215984955U (en) | 2021-10-14 | 2021-10-14 | IP68 type piezoresistive pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215984955U true CN215984955U (en) | 2022-03-08 |
Family
ID=80508139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122474991.5U Active CN215984955U (en) | 2021-10-14 | 2021-10-14 | IP68 type piezoresistive pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215984955U (en) |
-
2021
- 2021-10-14 CN CN202122474991.5U patent/CN215984955U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201229317Y (en) | Electrode sensor of dissolved oxygen analyzer | |
| CN102778266B (en) | Water level redundancy measuring device | |
| CN215984955U (en) | IP68 type piezoresistive pressure transmitter | |
| CN207423427U (en) | A kind of sensor of silicon strain gage pressure resistance type sensing module and the application module | |
| CN106052953A (en) | Shock-resistant ice-blockage resistant pressure transmitter | |
| CN215004074U (en) | Waterproof structure of pressure sensor | |
| CN105333939A (en) | Waterproof connector of I-shaped beam type vehicle dynamic weighing sensor | |
| CN109341939A (en) | A kind of defroster of hydrostatic sensor | |
| CN210293373U (en) | Zero drift calibration device for pressure sensor for water level measurement | |
| CN107340041A (en) | Resistance-strain type vehicle weighing sensor | |
| CN2191417Y (en) | Static levelmeter | |
| CN108759976A (en) | A kind of water level sensor | |
| CN212158908U (en) | Fluid pressure measuring device and liquid level measuring instrument | |
| CN204214497U (en) | For the plug seat of vortex shedding flow meter | |
| CN210774489U (en) | Slurry pressure sensor | |
| CN204831471U (en) | Novel magnetism floater liquid level changer | |
| CN210513523U (en) | Pressure transmitter | |
| CN2699239Y (en) | Condenser type water temperature and water level sensing transmitter | |
| CN207231609U (en) | Resistance-strain type vehicle weighing sensor | |
| CN210893315U (en) | Novel dirt box liquid level sensor | |
| CN219675201U (en) | Probe type water level sensor | |
| CN204988601U (en) | Flat membrane pressure sensor | |
| CN214309212U (en) | Metal strain type pressure sensor with flush membrane structure | |
| CN220304656U (en) | Waterproof sealing structure of weighing sensor | |
| CN218994584U (en) | Sealed reinforcement type force sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |