CN217878127U - High-pressure flat-film pressure sensor - Google Patents
High-pressure flat-film pressure sensor Download PDFInfo
- Publication number
- CN217878127U CN217878127U CN202221956303.7U CN202221956303U CN217878127U CN 217878127 U CN217878127 U CN 217878127U CN 202221956303 U CN202221956303 U CN 202221956303U CN 217878127 U CN217878127 U CN 217878127U
- Authority
- CN
- China
- Prior art keywords
- pressure
- protective shell
- aviation plug
- stainless steel
- mounting
- 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
Abstract
The utility model belongs to the field of sensors, and particularly discloses a high-pressure flat membrane pressure sensor, which comprises a stainless steel elastic element, a strain gauge, a pressure interface, an amplifying circuit, a protective shell and an aviation plug-in; the strain gauge is fixedly bonded inside the stainless steel elastic element, the side face of the stainless steel elastic element is fixedly welded with the pressure interface in a laser mode, the tail end of the pressure interface is connected with a protective shell, an amplifying circuit is arranged inside the protective shell, the center of the strain gauge is connected with an enameled wire, the strain gauge is connected with the amplifying circuit through the enameled wire, the tail end of the protective shell is welded with an aviation plug-in a laser mode, and an installation assembly is arranged on the surface of the protective shell; the utility model discloses a trun into traditional planar seal into the sealed mode of line seal for sealed face reduces greatly, thereby reaches high pressure resistant and high stability's effect, guarantees measurement accuracy.
Description
Technical Field
The utility model relates to a sensor field specifically is a high flat membrane pressure sensor.
Background
At present, when a pressure transmitter with a sandy viscous medium is measured in the market, the pressure sensing part of the pressure transmitter mainly has two modes, one mode is a pressure sensing film with a corrugated shape and flush with the front end of an installation thread, and the pressure sensing film is only 0.05mm; the second is a pressure sensing core body which protrudes out of the front end face of the mounting thread by about 10mm, the pressure sensing core body is smooth in outside, the outer diameter is smaller than the inner diameter of the mounting thread, and the pressure sensing diaphragm is 1-2mm. The first mode is used in this special environment, and is suitable for short distance because the membrane is very thin and is easily damaged by sand impact. Although the second mode can solve the problem of the first mode, the sealing gasket is difficult to seal when the measuring pressure is greater than 60MPa, and along with the locking of the threads, the front probe can be subjected to the torsion of the threads, the zero point of the product can be changed, and the measurement is inaccurate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high flat membrane pressure sensor to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a high-pressure flat membrane pressure sensor comprises a stainless steel elastic element, a strain gauge, a pressure interface, an amplifying circuit, a protective shell and an aviation plug-in; the strainometer bonds inside being fixed in stainless steel elastic component, and stainless steel elastic component side is fixed with pressure interface laser welding, pressure interface trailing end connection has protecting sheathing, the inside amplifier circuit that is provided with of protecting sheathing, the strainometer center is connected with the enameled wire, and the strainometer passes through the enameled wire and is connected with amplifier circuit, protecting sheathing tail end and aviation plug-in components laser welding, the protecting sheathing surface is provided with the installation component.
Preferably, the mounting assembly comprises a mounting ring, a mounting bolt and a sliding block; the protective housing surface cover is equipped with the collar, collar and protective housing surface sliding connection.
Preferably, the inner sides of the mounting rings are symmetrically fixed with sliding blocks, the surface of the protective shell is correspondingly provided with sliding grooves, and the mounting rings are in sliding connection with the surface of the protective shell through the matching of the sliding blocks and the sliding grooves.
Preferably, a plurality of mounting screw holes are uniformly formed in the surface of the mounting ring, and mounting bolts are arranged in the mounting screw holes.
Preferably, the aviation plug-in components outside is provided with the protection casing, protection casing side symmetry is fixed with spacing arch, spacing recess has been seted up to aviation plug-in components surface correspondence, and aviation plug-in components are fixed through spacing arch and spacing recess's cooperation block with the protection casing.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a trun into traditional planar seal into the sealed mode of line seal for sealed face reduces greatly, thereby reaches high pressure resistant and high stability's effect, guarantees measurement accuracy.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. a stainless steel elastic element; 2. a strain gauge; 3. a pressure interface; 4. an amplifying circuit; 5. a protective housing; 6. an aviation plug-in; 7. a mounting ring; 8. a slider; 9. a chute; 10. installing a bolt; 11. a protective cover; 12. a limiting bulge; 13. and a limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Referring to fig. 1, the present invention provides a technical solution: a high-pressure flat membrane pressure sensor comprises a stainless steel elastic element 1, a strain gauge 2, a pressure interface 3, an amplifying circuit 4, a protective shell 5 and an aviation plug-in 6; inside strainometer 2 bonding fixation in stainless steel elastic component 1, stainless steel elastic component 1 side and 3 laser welding of pressure interface are fixed, 3 trailing end connection of pressure interface has protecting sheathing 5, the inside amplifier circuit 4 that is provided with of protecting sheathing 5, 2 center connections of strainometer have the enameled wire, and strainometer 2 passes through the enameled wire and is connected with amplifier circuit 4, 5 tail ends of protecting sheathing and 6 laser welding of aviation plug-in components, 5 surface settings on protecting sheathing have the installation component.
Further, the mounting assembly comprises a mounting ring 7, a mounting bolt 10 and a sliding block 8; the surface of the protective shell 5 is sleeved with a mounting ring 7, and the mounting ring 7 is connected with the surface of the protective shell 5 in a sliding manner.
Further, the inner sides of the mounting rings 7 are symmetrically fixed with sliding blocks 8, the surface of the protective shell 5 is correspondingly provided with sliding grooves 9, and the mounting rings 7 are in sliding connection with the surface of the protective shell 5 through the matching of the sliding blocks 8 and the sliding grooves 9.
Furthermore, a plurality of mounting screw holes are uniformly formed in the surface of the mounting ring 7, and mounting bolts 10 are arranged in the mounting screw holes.
Further, aviation plug-in components 6 outside is provided with protection casing 11, 11 side symmetry of protection casing is fixed with spacing arch 12, spacing recess 13 has been seted up to aviation plug-in components 6 surface correspondence, and aviation plug-in components 6 are fixed with protection casing 11 through spacing arch 12 and spacing recess 13's cooperation block.
The working principle is as follows: the utility model provides a high-pressure flat membrane pressure sensor, which comprises a stainless steel elastic element 1, a strain gauge 2, a pressure interface 3, an amplifying circuit 4, a protective shell 5 and an aviation plug-in 6; during assembly, strain gauge 2 is fixed inside stainless steel elastic element 1 in a bonding mode, laser welding is carried out on stainless steel elastic element 1 and a pressure interface 3, then, strain gauge 2 is connected with an amplifying circuit 4 through an enameled wire, amplifying circuit 4 is connected with an aviation plug-in 6, analog signal output can be carried out through aviation plug-in 6, a protective shell 5 is arranged on the outer side of amplifying circuit 4 to protect the strain gauge, protective shell 5 is welded with aviation plug-in 6 in a laser mode, the sealing mode of the product is sealed through plane sealing buffer lines through twice laser welding, the sealing surface of the line sealing is far smaller than that of the plane sealing, the high-pressure resistant effect can be achieved, an installation component is arranged on the surface of protective shell 5, when the installation component is installed, the installation component slides on the surface of protective shell 5, and is installed through the matching of installation bolt 10 and an installation screw hole after being located at a proper position.
It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the prior art, and the electrical connection relation and the specific circuit structure of the device are not repeated.
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. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the 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 various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A high pressure flat film pressure sensor, characterized by: the pressure gauge comprises a stainless steel elastic element (1), a strain gauge (2), a pressure interface (3), an amplifying circuit (4), a protective shell (5) and an aviation plug-in (6); strainometer (2) bonding is fixed in inside stainless steel elastic element (1), and stainless steel elastic element (1) side is fixed with pressure interface (3) laser welding, pressure interface (3) trailing end connection has protecting sheathing (5), inside amplifier circuit (4) that is provided with of protecting sheathing (5), strainometer (2) center is connected with the enameled wire, and strainometer (2) are connected with amplifier circuit (4) through the enameled wire, protecting sheathing (5) tail end and aviation plug-in components (6) laser welding, protecting sheathing (5) surface is provided with the installation subassembly.
2. A high-pressure flat-diaphragm pressure sensor as claimed in claim 1, wherein: the mounting assembly comprises a mounting ring (7), a mounting bolt (10) and a sliding block (8); protective housing (5) surface cover is equipped with collar (7), collar (7) and protective housing (5) surface sliding connection.
3. A high pressure flat diaphragm pressure sensor as claimed in claim 2, wherein: the inner side of the mounting ring (7) is symmetrically fixed with sliding blocks (8), the surface of the protective shell (5) is correspondingly provided with sliding grooves (9), and the mounting ring (7) is in sliding connection with the surface of the protective shell (5) through the matching of the sliding blocks (8) and the sliding grooves (9).
4. A high-pressure flat-diaphragm pressure sensor as claimed in claim 2, wherein: a plurality of mounting screw holes are uniformly formed in the surface of the mounting ring (7), and mounting bolts (10) are arranged in the mounting screw holes.
5. A high-pressure flat-diaphragm pressure sensor as claimed in claim 1, wherein: aviation plug-in components (6) outside is provided with protection casing (11), protection casing (11) side symmetry is fixed with spacing arch (12), spacing recess (13) have been seted up to aviation plug-in components (6) surface correspondence, and aviation plug-in components (6) are fixed with protection casing (11) through the cooperation block of spacing arch (12) and spacing recess (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221956303.7U CN217878127U (en) | 2022-07-27 | 2022-07-27 | High-pressure flat-film pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221956303.7U CN217878127U (en) | 2022-07-27 | 2022-07-27 | High-pressure flat-film pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217878127U true CN217878127U (en) | 2022-11-22 |
Family
ID=84054896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221956303.7U Active CN217878127U (en) | 2022-07-27 | 2022-07-27 | High-pressure flat-film pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217878127U (en) |
-
2022
- 2022-07-27 CN CN202221956303.7U patent/CN217878127U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4395916A (en) | Arrangement for sealing a reactive element within a fluid pressure transducer | |
| CN203745010U (en) | Integrated temperature and pressure vortex flow meter | |
| CN203163913U (en) | Diaphragm type fiber bragg grating pressure sensor with temperature compensation | |
| CN101710007B (en) | Concrete wall body expansion internal stress measuring sensor and measuring method | |
| CN217878127U (en) | High-pressure flat-film pressure sensor | |
| CN105973525A (en) | High-reliability piezoresistive pressure sensor | |
| CN109855789A (en) | It is a kind of for monitoring the sensor of underwater small aircraft surface pressing | |
| CN102435381A (en) | Liquid-state metallic sodium experiment loop pressure sensor | |
| CN205209684U (en) | High reliability pressure drag formula pressure sensor | |
| CN204594602U (en) | The device of soft soil foundation vacuum pressure is measured based on pressure transducer principle | |
| CN2869801Y (en) | Liquid-level measuring instrument | |
| CN110364391A (en) | A kind of SF6 gas teletransmission density monitor of the micro- water one of density | |
| CN203177902U (en) | Online replacing type concealed induction flow meter | |
| CN207741829U (en) | A kind of fuel liquid level sensor | |
| CN203323944U (en) | Cylinder-type pressure meter | |
| CN201955081U (en) | Optical fiber type pneumatic height detecting device | |
| CN206496863U (en) | A kind of multi-functional pressure power transmitter | |
| CN217738259U (en) | Novel fiber grating tilt angle sensor | |
| CN219200699U (en) | Connection structure of digital pressure gauge sensor | |
| CN213481420U (en) | Differential pressure flowmeter | |
| CN211347195U (en) | High-temperature diaphragm pressure transmitter | |
| CN217783915U (en) | Lateral force measuring device for hydraulic cylinder | |
| CN209894392U (en) | High-precision pressure transmitter | |
| CN219348004U (en) | Sensor with temperature and pressure dual current output | |
| CN210089906U (en) | Flange type full-sealed tension sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |