CN212432413U - Anti-interference pressure sensor - Google Patents
Anti-interference pressure sensor Download PDFInfo
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- CN212432413U CN212432413U CN202021470198.7U CN202021470198U CN212432413U CN 212432413 U CN212432413 U CN 212432413U CN 202021470198 U CN202021470198 U CN 202021470198U CN 212432413 U CN212432413 U CN 212432413U
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- sealing member
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Abstract
The utility model discloses a pressure sensor of jam-proof, which comprises a connecting piece, be provided with the sensor main part on the connecting piece, and sensor main part lower extreme is provided with the filter screen, be provided with response diaphragm, clamping ring and first sealing member in the sensor main part, and first sealing member setting is between response diaphragm and clamping ring, be provided with seal cartridge on the connecting piece, and seal cartridge runs through intraductally and is provided with fiber probe. This interference-proof pressure sensor, be provided with the filter screen, inside the impurity entering that exists in the reducible fluid, produce the influence to its pressure detection, the first sealing member of setting, the second sealing member, sealed sleeve pipe, third sealing member and fourth sealing member, strengthen between first casing and the second casing and between fiber probe and the sensor main part sealed, reduce the influence that the external world produced to it, the sensor main part passes through screw thread portion threaded mounting on the connecting piece, and threaded connection's first casing and second casing, convenient dismantlement is overhauld it and is maintained.
Description
Technical Field
The utility model relates to a pressure sensor technical field specifically is a pressure sensor of jam-proof.
Background
The pressure sensor is a sensor for measuring the pressure of liquid or gas, is widely applied to many fields, is an essential element in monitoring and control, and along with the development of optical communication technology, the optical fiber probe sensor gradually becomes a hot point in related fields.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pressure sensor of jam-proof to the current reflectivity fiber probe pressure sensor probe structure who proposes in solving above-mentioned background is not seal structure, and the probe receives external disturbance easily at the during operation, and job stabilization, the great problem of detection error.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pressure sensor of jam-proof, includes the connecting piece, be provided with the sensor main part on the connecting piece, and sensor main part lower extreme is provided with the filter screen, be provided with response diaphragm, clamping ring and first sealing member in the sensor main part, and first sealing member setting is between response diaphragm and clamping ring, be provided with sealed sleeve pipe on the connecting piece, and seal the intraductal fiber probe that runs through of cover.
Preferably, the sensor main body comprises a first shell, a second shell, a detaching part, a thread part, a first mounting groove, a second sealing element, a second mounting groove, a third sealing element and a fourth sealing element, wherein the first shell is in threaded connection with the second shell, the detaching part and the thread part are arranged on the second shell, the detaching part is arranged above the thread part, the first mounting groove is arranged on the first shell, the second sealing element is arranged in the first mounting groove, the side wall of the first shell is provided with the second mounting groove and the third mounting groove, the fourth sealing element is arranged in the third mounting groove, and meanwhile the third sealing element is arranged in the second mounting groove.
Preferably, the sensor body is screwed to the connector by a screw portion.
Preferably, the filter screen is arranged at the lower port of the second shell, and the area of the filter screen is larger than that of the lower port of the second shell.
Preferably, the induction diaphragm, the pressure ring and the first sealing member are disposed between the first housing and the second housing.
Compared with the prior art, the beneficial effects of the utility model are that: the anti-interference pressure sensor is arranged on the base,
(1) the sensor main body is installed on the connecting piece through threads of the thread part, so that the sensor main body is convenient to disassemble and maintain, the sensor main body is mainly formed by connecting a first shell and a second shell through threads to form a shell part, and the first shell and the second shell are convenient to disassemble through threaded connection so as to overhaul and maintain the interior of the sensor main body;
(2) the filter screen is arranged, impurities existing in the fluid can be reduced to enter the interior of the filter screen and influence the pressure detection of the fluid, and the first sealing element, the second sealing element, the sealing sleeve, the third sealing element and the fourth sealing element are additionally arranged to enhance the sealing between the first shell and the second shell and the sealing between the optical fiber probe and the sensor main body and reduce the influence of external factors on the filter screen.
Drawings
FIG. 1 is a schematic structural view of the connecting member and the sensor body of the present invention;
FIG. 2 is a schematic view of the internal structure of the sensor body of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
fig. 4 is an enlarged schematic structural diagram of the point B in fig. 2 according to the present invention.
In the figure: 1. connecting piece, 2, sensor main part, 201, first casing, 202, second casing, 203, dismantlement portion, 204, screw thread portion, 205, first mounting groove, 206, second sealing member, 207, second mounting groove, 208, third mounting groove, 209, third sealing member, 210, fourth sealing member, 3, filter screen, 4, response diaphragm, 5, clamping ring, 6, first sealing member, 7, seal sleeve, 8, fiber probe.
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 present invention provides a technical solution: a tamper-proof pressure sensor comprises a connecting piece 1, as shown in FIG. 1, FIG. 2, FIG. 3 and FIG. 4, a sensor main body 2 is arranged on the connecting piece 1, a filter screen 3 is arranged at the lower end of the sensor main body 2, the sensor main body 2 comprises a first shell 201, a second shell 202, a detaching part 203, a thread part 204, a first mounting groove 205, a second sealing element 206, a second mounting groove 207, a third mounting groove 208, a third sealing element 209 and a fourth sealing element 210, the first shell 201 is connected with the second shell 202 in a threaded manner, the second shell 202 is provided with the detaching part 203 and the thread part 204, the detaching part 203 is arranged above the thread part 204, the first shell 201 is provided with the first mounting groove 205, the first mounting groove 205 is internally provided with the second sealing element 206, the first shell 201 is provided with the second mounting groove 207 and the third mounting groove 208 on the side wall, and the third mounting groove 208 is internally provided with the fourth, meanwhile, a third sealing element 209 is arranged in the second mounting groove 207, the sensor main body 2 is convenient to mount and dismount through a dismounting part 203 by using a tool, the sensor main body 2 is in sealing connection with the connecting piece 1, the sensor main body 2 is in threaded connection with the connecting piece 1 through a threaded part 204, the threaded mounting is on the connecting piece 1, the dismounting and maintenance are convenient, the filter screen 3 is arranged at the lower port of the second shell 202, the area of the filter screen 3 is larger than that of the lower port of the second shell 202, the filter screen 3 can reduce impurities existing in fluid from entering the interior and influencing the pressure detection of the fluid, an induction diaphragm 4, a press ring 5 and a first sealing element 6 are arranged in the sensor main body 2, the first sealing element 6 is arranged between the induction diaphragm 4 and the press ring 5, the induction diaphragm 4, the press ring 5 and the first sealing element 6 are arranged between the first shell 201 and the second shell 202, and the first sealing element 6 is arranged, the connecting piece 1 is provided with a sealing sleeve 7, and a fiber probe 8 is arranged in the sealing sleeve 7 in a penetrating way.
The working principle is as follows: when the interference-proof pressure sensor is used, the sensor main body 2 is installed on the connecting piece 1 through the thread part 204 in a threaded manner, the installation and the disassembly of the sensor main body are convenient through the disassembling part 203 by using a tool, when fluid passes through the connecting piece 1, the fluid enters the sensor main body 2 to extrude the induction diaphragm 4 of the sensor main body, the pressure of the sensor main body is presumed under the matching action of the optical fiber probe 8, the principle of the interference-proof pressure sensor is the prior art structure, the interference-proof pressure sensor is not a novel point of the application patent, the filter screen 3 can filter the entering fluid, the influence of impurities in the fluid on the pressure detection is reduced, the sealing effect between the first shell 201 and the second shell 202 is enhanced by the arranged first sealing element 6 and the second sealing element 206, the sealing between the optical fiber probe 8 and the sensor main body 2 is enhanced by the arranged third sealing element 209, the fourth sealing element 210 and the sealing sleeve 7, the internal maintenance and the inspection can be realized by, those not described in detail in this specification are within the skill of the art.
The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. A tamper-proof pressure sensor, comprising a connection piece (1), characterized in that: be provided with sensor main part (2) on connecting piece (1), and sensor main part (2) lower extreme is provided with filter screen (3), be provided with response diaphragm (4), clamping ring (5) and first sealing member (6) in sensor main part (2), and first sealing member (6) set up between response diaphragm (4) and clamping ring (5), be provided with sealed sleeve pipe (7) on connecting piece (1), and run through in sealed sleeve pipe (7) and be provided with fiber probe (8).
2. A tamper-proof pressure sensor according to claim 1, wherein: the sensor main body (2) comprises a first shell (201), a second shell (202), a dismounting part (203), a thread part (204), a first mounting groove (205), a second sealing element (206), a second mounting groove (207), a third mounting groove (208), a third sealing element (209) and a fourth sealing element (210), wherein the first shell (201) is in threaded connection with the second shell (202), the second shell (202) is provided with the dismounting part (203) and the thread part (204), the dismounting part (203) is arranged above the thread part (204), the first shell (201) is provided with the first mounting groove (205), the first mounting groove (205) is internally provided with the second sealing element (206), the side wall of the first shell (201) is provided with the second mounting groove (207) and the third mounting groove (208), and the third mounting groove (208) is internally provided with the fourth sealing element (210), meanwhile, a third sealing element (209) is arranged in the second mounting groove (207).
3. A tamper-proof pressure sensor according to claim 2, wherein: the sensor main body (2) is in threaded connection with the connecting piece (1) through the threaded part (204).
4. A tamper-proof pressure sensor according to claim 2, wherein: the filter screen (3) is arranged at the lower port of the second shell (202), and the area of the filter screen (3) is larger than that of the lower port of the second shell (202).
5. A tamper-proof pressure sensor according to claim 2, wherein: the induction diaphragm (4), the pressure ring (5) and the first sealing piece (6) are arranged between the first shell (201) and the second shell (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021470198.7U CN212432413U (en) | 2020-07-23 | 2020-07-23 | Anti-interference pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021470198.7U CN212432413U (en) | 2020-07-23 | 2020-07-23 | Anti-interference pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212432413U true CN212432413U (en) | 2021-01-29 |
Family
ID=74277746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021470198.7U Active CN212432413U (en) | 2020-07-23 | 2020-07-23 | Anti-interference pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212432413U (en) |
-
2020
- 2020-07-23 CN CN202021470198.7U patent/CN212432413U/en active Active
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