CN205909971U - Anticorrosive pressure sensor - Google Patents
Anticorrosive pressure sensor Download PDFInfo
- Publication number
- CN205909971U CN205909971U CN201620699457.0U CN201620699457U CN205909971U CN 205909971 U CN205909971 U CN 205909971U CN 201620699457 U CN201620699457 U CN 201620699457U CN 205909971 U CN205909971 U CN 205909971U
- Authority
- CN
- China
- Prior art keywords
- pressure sensor
- liner
- cylinder
- utility
- model
- 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
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model provides an anticorrosive pressure sensor, belongs to the sensor technology field. Anticorrosive pressure sensor includes the pottery porcelain core body (4), outer silk crimping piece (5) and shell, and its characterized in that, shell include preceding shell, pressure sensor still includes inside lining (2), the inside lining has first end and second end, holds at the second of inside lining to be provided with the recess, and the axial of following the inside lining is provided with and is used for the leading -in fluidic through -hole of being surveyed, through -hole and recess intercommunication, outer silk crimping piece (5) will be made pottery the porcelain core body (4) and compressed tightly the second end at the inside lining, form the pressure measurement cavity, axial along preceding shell is provided with the cavity, inside lining, the pottery porcelain core body (4) and outer silk crimping piece (5) set gradually in the cavity. The utility model provides an anticorrosive pressure sensor corrosion resistance is strong, and mechanical strength is high.
Description
Technical field
The utility model is related to a kind of corrosion pressure sensor, belongs to sensor technical field.
Background technology
The principle of direct pressure measurement type pressure sensor in the market is: medium (gas or liquid) is imported by joint
In one confined space being surrounded by pressure measxurement core body and pipeline, pressure medium directly acts on and causes in measurement core surface
Deformation, this small change passes to electronic surveying element, Chip-R or the piezo-electric crystal at the back side, big according to deflection
Little be transformed into corresponding electric signal, by wire send out to need circuit.Joint imports and conduit enclosure is usually with not
Rust Steel material is made, and also can be corroded in the highly acid or alkaline medium of high temperature, in order to solve above-mentioned technical problem,
Import and conduit enclosure through the joint frequently with plastic material in prior art, therefore do pipe shaft shell using Teflon material, but
Be, Teflon material pipe shaft Enclosure Strength poor it is impossible to accomplish measure high pressure sensor, using the pipe shaft of Teflon
Shell typically can only accomplish 2mpa pressure below sensor, larger pressure just holds and can't stand and reveal damage.
Content of the invention
For solving technical problem present in prior art, goal of the invention of the present utility model is to provide a kind of anti-corrosion pressure
Sensor, its corrosion resistance is strong, and high mechanical strength.
For realizing described utility model purpose, the utility model provides a kind of corrosion pressure sensor, and it includes ceramic core
, it is characterised in that shell includes front casing, described pressure sensor also includes liner 2, institute for body 4, outer silk compressing piece 5 and shell
State liner and there is first end and the second end, fluted in the second end setting of liner, axially arranged along liner has for importing
The through hole of detected fluid, described through hole is connected with groove；Ceramic core 4 is pressed on the second of liner by described outer silk compressing piece 5
End, forms pressure measurement cavity；Axially arranged along front casing has cavity；Described liner, ceramic core 4 and outer silk compressing piece 5 are successively
It is arranged in cavity.
Preferably, liner is made up of Teflon material.
Preferably, shell also includes cylinder and bonnet, and the first end of described cylinder is connected with the second end of front casing, described
Second end of cylinder is connected with the first end of bonnet.
Preferably, front casing, cylinder and bonnet are made up of metal material.
Compared with prior art, the utility model provides pressure sensor, and its corrosion resistance is strong, and high mechanical strength.
Brief description
Fig. 1 is the longitudinal cross-section schematic diagram of the pressure sensor that the utility model first embodiment provides；
Fig. 2 is the decomposing schematic representation of the pressure sensor that the utility model first embodiment provides；
Fig. 3 be the utility model first embodiment provide liner and sealing ring three-dimensional schematic cross-section；
Fig. 4 is the liner of the utility model second embodiment offer and the three-dimensional schematic cross-section of sealing ring.
In figure, 1, front casing 2, corrosion-proof lining 3, viton seal ring 4, ceramic pressure sensor core body 5, outer silk pressure
Contact pin 6, sensor nut 7, cylinder 8, bonnet 9, circuit board 10, detecting element wire 11, output line.
Specific embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, this
The every other embodiment that field those of ordinary skill is obtained under the premise of not making creative work, broadly falls into this practicality
Novel protected scope.
In description of the present utility model, " " center ", " on ", D score, " vertical ", " water it should be noted that term
Flat ", " interior ", the orientation of instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, merely to just
In description the utility model and simplification description, rather than the device of instruction or hint indication or element must have specific side
Position, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " setting ", " being connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected,
Or be integrally connected；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, can also be two element internals
Connection, for the ordinary skill in the art, can understand tool in the utility model for the above-mentioned term with concrete condition
Body implication.
First embodiment
Fig. 1 is the longitudinal cross-section schematic diagram of the pressure sensor that the utility model first embodiment provides；Fig. 2 is this practicality
The decomposing schematic representation of the pressure sensor that new ground two embodiment provides；Fig. 3 is that the utility model first embodiment provides
Liner and sealing ring three-dimensional schematic cross-section, as Figure 1-3, the pressure sensing that the utility model first embodiment provides
Device includes ceramic core 4, liner 2, fluorine rubber ring 3 and outer silk compressing piece 5, and in the utility model, ceramic core is preferably cake
Shape, it has the first circular surfaces and second circular surfaces corresponding with the first disc；Described liner 2 has first end and second
End, in the second end setting fluted 202 of liner, along the axially arranged through hole 201 having for importing detected fluid of liner, institute
State through hole 201 to connect with groove 202, in first embodiment, liner preferably includes two and be sequentially connected to connect or integral part of
First cylinder 203 and the second cylinder 204, the first cylindrical diameter is less than the second cylindrical diameter, the first cylinder
There is first end and the second end, the second cylinder has first end and the second end, the first cylindrical second end and the second cylinder
The first end of body is connected, the second cylindrical second end setting groove 202, and described groove 202 is preferably patty, its diameter
It is slightly less than the diameter of the second cylinder 204；Axis along the first cylinder 203 and the second cylinder 204 is provided with guide hole 201；
Fluorine rubber ring 3 is annular, and the second cylinder diameter that its external diameter is more than or equal to liner is identical, and internal diameter is more than or equal to
The diameter of groove 202；The diameter of ceramic core 4 is identical with the second cylinder 204 diameter of liner；Outer silk compressing piece 5 is cake
Shape, its diameter is identical with the second cylinder diameter of liner, in it is mainly used in being pressed to ceramic core 4 through fluorine rubber ring 3
On second cylinder the second end of lining, thus forming pressure measurement cavity.In the utility model, liner is preferably by Teflon material system
Become.
The pressure sensor of this utility model offer also includes shell, and described shell includes front casing 1, along front casing
Axially arranged have cavity, and described cavity is mated with the circumferential profile of liner, and in first embodiment, the cavity in front casing is along axle
To section be t type, that is, described cavity includes the first cylindrical cavity and the second cylindrical cavity, the first cylindrical cavity interior
Footpath external diameter cylindrical with the first of liner is identical, highly approximate the cylindrical height of liner second, the height of fluorine rubber ring,
The height of ceramic core and outer silk compressing piece 5 sum, so by liner, fluorine rubber ring, ceramic core 4 and outer silk compressing piece 5 according to
Secondary it is arranged in cavity.
In first example, the profile of front casing preferably includes the first cylindrical shape, hexagonal prism and the second circle being sequentially connected
Tubular, their external diameter differs, the largest outside diameter of hexagon.In the utility model, the preferably first columnar external diameter is little
In the external diameter of the second cylinder, the external diameter of the second cylinder is less than the external diameter of hexagonal prism.
Shell also includes cylinder 7 and bonnet, and the internal diameter of cylinder approximates the external diameter of the second cylinder, such that it is able to make cylinder
First end is enclosed within the second cylinder or is threadeded with the second cylinder.In the utility model, bonnet is preferably also hexagon,
The first end of bonnet 8 is connected with the second end of cylinder 7, preferably threaded；Second end of bonnet is provided with wire 11 fairlead.
Front casing 1, cylinder 7 and bonnet 8 are made up of metal material, in the utility model, preferably by stainless steel material, highstrenghtpiston
(as peek etc.) makes.
In first embodiment, pressure sensor also includes circuit board 9, and described circuit is connected to pottery by signal input line 10
The first surface of porcelain core body 4 and second surface, for being converted into electric signal by the change of detected fluid pressure.Circuit board is arranged
Have in cylinder 7, the output line 11 of circuit board is drawn by the wire fairlead at bonnet second end.
Second embodiment
The basic pressure sensor phase that offer is provided with first of pressure sensor that the utility model second embodiment provides
With, different is only the structure of liner, as shown in figure 4, the second liner 2 implementing to provide has first end and the second end,
Second end setting fluted 202 of liner, along the axially arranged through hole 201 having for importing detected fluid of liner, described logical
Hole 201 is connected with groove 202, and in second embodiment, liner preferably includes two and be sequentially connected to connect or integral part of first
Cylinder 203 and the second cylinder 204, the first cylindrical diameter is less than the second cylindrical diameter, and the first cylinder has
First end and the second end, the second cylinder has first end and the second end, and the first cylindrical second end is cylindrical with second
First end is connected, the second cylindrical second end central authorities setting fluted 202, and the radial section of described groove 202 is isosceles
Trapezoidal, the diameter of groove 202 the top is slightly less than the diameter of the second cylinder 204, and more than the diameter gone up most；In the second cylinder
Second end of body, groove 202 be circumferentially provided with cannelure 205, it is used for embedding fluorine rubber ring 3；Along the first cylinder 203 He
The axis of the second cylinder 204 is provided with guide hole 201；Fluorine rubber ring 3 is annular, and its external diameter is more than or equal to the of liner
Two cylinder diameters are identical, and internal diameter is more than or equal to the diameter of groove 202, during assembling, can just be embedded into cannelure 205
In；The diameter of ceramic core 4 is identical with the second cylinder 204 diameter of liner.
In the utility model, the prismatic parts in front casing and bonnet can also be other forms, such as cylindrical, triangular prism
Shape, four prism type, pentagonal prism shape etc..The pressure sensor that the utility model provides also includes nut 6, and it is used for detected fluid
Conduit be connected to the fluid introducing port of front casing.
The utility model provide pressure sensor due to employing the liner of elastomeric material, in particular by Teflon
The liner of material improves antiseptic property, can bear the corrosion of strong acid and strong base under 250 degree of high temperature；The utility model carries simultaneously
For pressure sensor due to employing metal shell, especially be rust outer steel shell, this improves sensor bears pressure
(at least in more than 10mpa), in addition metal shell detecting element and circuit sealing are internally also enabled external interference signals
Shielding.
Above in association with accompanying drawing, of the present utility model operation principle is described in detail.But those of ordinary skill in the art
It should be understood that specification is only for explaining claims.But protection domain of the present utility model is not limited to specification.
Any those familiar with the art in the technical scope that the utility model discloses, the change that can readily occur in or
Replace, all should cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be wanted with right
The protection domain seeking book is defined.
Claims (4)
1. a kind of corrosion pressure sensor, it includes ceramic core (4), outer silk compressing piece (5) and shell it is characterised in that outer
Shell includes front casing, and described pressure sensor also includes liner (2), and described liner has first end and the second end, in liner
Second end setting is fluted, and along the axially arranged through hole having for importing detected fluid of liner, described through hole is connected with groove；
Ceramic core (4) is pressed on the second end of liner by described outer silk compressing piece (5), forms pressure measurement cavity；Axial direction along front casing
It is provided with cavity；Described liner, ceramic core (4) and outer silk compressing piece (5) are successively set in cavity.
2. corrosion pressure sensor according to claim 1 is it is characterised in that liner is made up of Teflon material.
3. corrosion pressure sensor according to claim 2 is it is characterised in that shell also includes cylinder and bonnet, described
The first end of cylinder is connected with the second end of front casing, and the second end of described cylinder is connected with the first end of bonnet.
4. corrosion pressure sensor according to claim 3 is it is characterised in that front casing, cylinder and bonnet are by metal material
Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620699457.0U CN205909971U (en) | 2016-07-06 | 2016-07-06 | Anticorrosive pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620699457.0U CN205909971U (en) | 2016-07-06 | 2016-07-06 | Anticorrosive pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205909971U true CN205909971U (en) | 2017-01-25 |
Family
ID=57804426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620699457.0U Active CN205909971U (en) | 2016-07-06 | 2016-07-06 | Anticorrosive pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205909971U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017787A (en) * | 2016-07-06 | 2016-10-12 | 济南海能仪器股份有限公司 | Anticorrosion pressure transducer |
-
2016
- 2016-07-06 CN CN201620699457.0U patent/CN205909971U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017787A (en) * | 2016-07-06 | 2016-10-12 | 济南海能仪器股份有限公司 | Anticorrosion pressure transducer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106017787A (en) | Anticorrosion pressure transducer | |
| CN205909971U (en) | Anticorrosive pressure sensor | |
| CN204679204U (en) | A kind of pressure unit | |
| CN201964061U (en) | Pipe connector for high-temperature and high-pressure fuel gas system | |
| CN103604045B (en) | A kind of Buried Oil Pipelines leakage characteristics experimental system | |
| CN209929568U (en) | Watertight piezoelectric ultrasonic detection probe-cable connection structure | |
| CN204942223U (en) | A kind of harmless adaptivity fastener assembly | |
| CN204007980U (en) | A kind of shrapnel contact pressure unit | |
| CN206583337U (en) | A kind of big footpath take-over type plate cooler for vessel | |
| CN208488207U (en) | A kind of pressure tapping for pressure gauge calibrating installation | |
| CN210953224U (en) | Bellows type pressure gauge | |
| CN210005188U (en) | Leakage detection device for nonlinear thin-wall hard pipeline | |
| CN208805239U (en) | Electrode, electrode assembly and mounting assembly for electromagnetic flowmeter | |
| CN212179857U (en) | Thickness gauge detection probe assembly | |
| CN202814304U (en) | Coupling cone-shape sealing depth measuring dialgage | |
| CN101806603B (en) | T-shaped flow meter | |
| CN208619863U (en) | The pipe clamp of temperature sensor is clamped on the outside of pipeline | |
| CN101881461A (en) | Magnetic fuel energy-saving or water processing device | |
| CN210268756U (en) | High-precision miniature metal tube float flowmeter | |
| CN203672551U (en) | Pressure gauge allowing joints to be changed | |
| CN217153421U (en) | Aviation pipe joint liquid level meter | |
| CN216309311U (en) | Pipeline pressure taking structure | |
| CN204924345U (en) | Gas table is got and is pressed pipe assembly | |
| CN219736665U (en) | Safety-increasing pressure transmitter with external zeroing function | |
| CN210862824U (en) | Liquid level sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 250101 4th floor, building 1, block A3, Hanyu Jinggu, 7000 Jingshi Road, high tech Zone, Jinan City, Shandong Province Patentee after: Haineng Future Technology Co.,Ltd. Address before: 250101 4th floor, building 1, block A3, Hanyu Jinggu, 7000 Jingshi Road, high tech Zone, Jinan City, Shandong Province Patentee before: JINAN HANON INSTRUMENTS Co.,Ltd. |