CN110243530A - A kind of novel pressure sensor - Google Patents
A kind of novel pressure sensor Download PDFInfo
- Publication number
- CN110243530A CN110243530A CN201910665035.XA CN201910665035A CN110243530A CN 110243530 A CN110243530 A CN 110243530A CN 201910665035 A CN201910665035 A CN 201910665035A CN 110243530 A CN110243530 A CN 110243530A
- Authority
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- China
- Prior art keywords
- pressure sensor
- diaphragm
- pedestal
- shell
- novel pressure
- 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.)
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000006698 induction Effects 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
Abstract
The present invention provides a kind of novel pressure sensors, belong to field of mechanical technique.It solves the problems, such as that existing pressure sensor induction precision is not high.A kind of this novel pressure sensor, including pedestal and the shell being set on the base, the outer end of pedestal is water inlet end, diaphragm, the inner sidewall formation intake antrum of diaphragm and pedestal are equipped between pedestal and shell, water inlet end is connected with intake antrum, jacking block and spring are equipped in shell, spring pushes jacking block to be resisted against on diaphragm, and magnet is fixed on jacking block, Hall sensor is fixed on shell and Hall sensor being capable of induced magnet.A kind of this novel pressure sensor has the advantages that induction precision is higher.
Description
Technical field
The invention belongs to field of mechanical technique, are related to a kind of sensor, especially a kind of novel pressure sensor.
Background technique
Pressure sensor is the device for measuring pressure.The pressure as measured by pressure sensor usually with signal, it is for example electric
The form of signal is exported by pressure sensor.It is wired to bridge arrangement for example, some pressure sensors use and is adhered to diaphragm
On deformeter.Herein, the pressure for being applied to pressure sensor is deformed diaphragm, which introduces deformeter for strain
In.Strain to deformeter generates the resistance variations proportional to pressure in deformeter.Resistance variations are usually with analog telecommunications
Number form from pressure sensor export.
Some pressure sensors use the assembling parts being crimped.Such as some pressure sensors are in pressure sensor group
The hardware being crimped is used during dress.Herein, crimping can be used for being arranged and be used by pressure sensor to prevent pollutant
Into the position of the sealing element of pressure sensor.It is logical that crimping is carried out to one or more elements during pressure sensor assembling
Often increase the cost and/or complexity of stacking pressure sensor.
A kind of pressure sensor as disclosed in Chinese patent literature (application number: 201720176407.9), including pedestal with
And the tubular shell on setting pedestal, the outer end of pedestal are equipped with water inlet end, are vertically equipped with tubular in the middle part of the inner end of pedestal
Convex body is installed, installation convex body and water inlet end are axially arranged with perforative inlet opening, install and be arranged and be located in cylinder on the outside of convex body
The pressure chip of shape, the outer end for installing convex body are equipped with convex shoulder, sealing ring are cased on convex shoulder, and the lateral wall of sealing ring is resisted against pressure
Radial seal is formed on the inner sidewall of power chip.But the pressure sensor incudes hydraulic pressure, therefore its induction essence by pressure chip
It spends not high.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, it is higher novel to propose a kind of induction precision
Pressure sensor.
Object of the invention can be realized by the following technical scheme: a kind of novel pressure sensor, including pedestal and
The shell being set on the base, the outer end of the pedestal are water inlet end, which is characterized in that the pedestal and the shell
Between be equipped with diaphragm, the inner sidewall of the diaphragm and the pedestal forms intake antrum, the water inlet end and it is described into
Water cavity is connected, and jacking block and spring are equipped in the shell, and the spring promotion jacking block is resisted against described
On diaphragm, it is fixed with magnet on the jacking block, Hall sensor is fixed on the shell and the Hall sensor
The magnet can be incuded.
When in use, water flow enters intake antrum by water inlet end, is up moved by water pressure pushing diaphragm, and diaphragm pushes
Jacking block band moving magnet rises, and the variation of the line of magnetic induction is incuded by Hall sensor, to incude hydraulic pressure, have induction precision compared with
High advantage.
It is fixed between the lower end of the shell and the inner end of the pedestal in a kind of above-mentioned novel pressure sensor
There is bottom bracing in position, and the bottom bracing includes the positioning region of annular, and the positioning region is resisted against the outer of diaphragm, the positioning region
It is interior along vertical equipped with limiting section and the limiting section along the positioning region along setting.By the way that above-mentioned bottom bracing positioning is arranged
Diaphragm, has locating effect preferably and dismounting is more convenient, while having the advantages that manufacture is more convenient.
In a kind of above-mentioned novel pressure sensor, the lower end outside of the jacking block has annular convex shoulder, described
The upper surface of limiting section can be resisted against on the annular convex shoulder.Limiting section can be resisted against on annular convex shoulder, be had to jacking block
There is preferable limit effect, avoid the excessive compression to diaphragm, improves the service life of diaphragm.
In a kind of above-mentioned novel pressure sensor, the positioning region upper surface is resisted against the lower end of the shell
On face, the lower end surface of the positioning region is squeezed on the outer of the diaphragm.By the both ends of the surface of positioning region in planar, lead to
It crosses positioning region to position the outer of diaphragm, has locating effect preferable, avoid damaging diaphragm.
In a kind of above-mentioned novel pressure sensor, the diaphragm with a thickness of 0.42 to 0.88mm.Using above-mentioned
Setting, makes the higher advantage of diaphragm induction precision.
In a kind of above-mentioned novel pressure sensor, the outside of the jacking block is equipped with annular groove, the spring
Lower end in the annular groove.In annular groove, it is preferable fixed to have to the lower end of spring for the lower end of spring
Position effect.
In a kind of above-mentioned novel pressure sensor, the upper end of the jacking block is equipped with positioning groove, the magnet
It is in the form of a column and the magnet is in the positioning groove and described interior.Magnet is in positioning groove, while magnet
In spring, spring is magnetized, the line of magnetic induction is cut off and transfer, makes more stable excellent of Hall sensor induced magnet
Point.
In a kind of above-mentioned novel pressure sensor, perforative through-hole is axially arranged in the middle part of the jacking block, it is described
The upper end of through-hole be connected with the positioning groove.
In a kind of above-mentioned novel pressure sensor, the diaphragm is in ripples shape and the waveform of the diaphragm is coaxial
Setting.Using above-mentioned setting, make that the intensity of diaphragm is higher and service life is longer, while having the advantages that induction is more accurate.
In a kind of above-mentioned novel pressure sensor, the upper end of the limiting section is fixed with cushion and the ring
Shape convex shoulder can be resisted against on the cushion.By the way that above-mentioned cushion is arranged, have to annular convex shoulder and limiting section
Certain buffering effect.
In a kind of above-mentioned novel pressure sensor, the outer end shield of the pedestal is equipped with mounting shell, the installation
The middle part of shell is equipped with connecting hole and the pedestal passes through the connecting hole.By the way that above-mentioned mounting shell is arranged, there is manufacture
The more convenient advantage with installation.
In a kind of above-mentioned novel pressure sensor, the upper end of the shell is equipped with locating slot and the Hall passes
Sensor is in the locating slot.Hall sensor has the advantages that locating effect is preferable in the locating slot.
Compared with prior art, a kind of this novel pressure sensor has the advantage that
1, it is up moved by water pressure pushing diaphragm, diaphragm pushes jacking block band moving magnet to rise, and passes through Hall sensor sense
The variation of the line of magnetic induction is answered, to incude hydraulic pressure, has the advantages that induction precision is higher；
2, diaphragm with a thickness of 0.42 to 0.88mm, make the higher advantage of diaphragm induction precision；
3, by setting bottom bracing position diaphragm, have locating effect preferably and dismounting it is more convenient, while have manufacture compared with
For convenience of the advantages of；
4, magnet is in positioning groove, while magnet is located in spring, and spring is magnetized, and the line of magnetic induction is cut off and turns
It moves, the advantage for keeping Hall sensor induced magnet more stable.
Detailed description of the invention
Fig. 1 is a kind of this stereoscopic schematic diagram of novel pressure sensor.
Fig. 2 is a kind of this schematic cross-sectional view of novel pressure sensor.
Fig. 3 is a kind of this another structural schematic diagram of novel pressure sensor diaphragm.
Fig. 4 is the bottom bracing of this sensor and the schematic cross-sectional view of cushion.
In figure, 1, pedestal；1a, water inlet end；1b, intake antrum；2, shell；2a, locating slot；3, diaphragm；4, jacking block；4a, ring
Shape convex shoulder；4b, annular groove；4c, positioning groove；4d, through-hole；5, spring；6, magnet；7, Hall sensor；8, bottom bracing；8a,
Positioning region；8b, limiting section；9, cushion；10, mounting shell；10a, connecting hole.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As illustrated in fig. 1 and 2, a kind of novel pressure sensor, including pedestal 1 and the shell being arranged on pedestal 12, bottom
The outer end of seat 1 is water inlet end 1a, and diaphragm 3, the inner sidewall formation intake antrum of diaphragm 3 and pedestal 1 are equipped between pedestal 1 and shell 2
1b, water inlet end 1a are connected with intake antrum 1b, and jacking block 4 and spring 5 are equipped in shell 2, and spring 5 pushes jacking block 4 to be resisted against film
On piece 3, magnet 6 is fixed on jacking block 4, the upper end of shell 2, which is equipped in locating slot 2a and locating slot 2a, is fixed with Hall sensor
7, Hall sensor 7 being capable of induced magnet 6.
Bottom bracing 8 is located between the lower end of shell 2 and the inner end of pedestal 1, bottom bracing 8 includes the positioning region 8a of annular, positioning
Portion 8a is resisted against the outer of diaphragm 3, and positioning region 8a's is interior along vertically equipped with the edge along the 8a of positioning region limiting section 8b and limiting section 8b
Setting.
The lower end outside of jacking block 4 has annular convex shoulder 4a, and the upper surface of limiting section 8b can be resisted against on annular convex shoulder 4a,
There is preferable limit effect to jacking block 4, avoid the excessive compression to diaphragm 3, improve the service life of diaphragm 3.
The positioning region upper surface 8a is resisted against on the lower end surface of shell 2, and the lower end surface of positioning region 8a squeezes the outer of diaphragm 3
On, the both ends of the surface of positioning region 8a have locating effect preferable, keep away in planar, by positioning region 8a to diaphragm 3 outer positioning
Exempt to damage diaphragm 3.
Diaphragm 3 with a thickness of 0.42 to 0.88mm, preferably, diaphragm 3 with a thickness of 0.6mm, so that diaphragm 3 is incuded essence
Spend higher advantage.Alternatively, as shown in figure 3, diaphragm 3 makes film in the coaxial arrangement of the waveform of ripples shape and diaphragm 3
The intensity of piece 3 is higher and service life is longer, while having the advantages that induction is more accurate.
The outside of jacking block 4 is equipped with annular groove 4b, and the lower end of spring 5 is in annular groove 4b.The upper end of jacking block 4 is equipped with
Positioning groove 4c, magnet 6 is in the form of a column and magnet 6 is in positioning groove 4c and interior.The middle part of jacking block 4 is axially arranged with perforative logical
The upper end of hole 4d, through-hole 4d are connected with positioning groove 4c., there is preferable locating effect to the lower end of spring 5.
Alternatively, as shown in figure 4, the upper end of limiting section 8b is fixed with cushion 9 and annular convex shoulder 4a can
It is resisted against on cushion 9, there is certain buffering effect to annular convex shoulder 4a and limiting section 8b.
The outer end shield of pedestal 1 is equipped with mounting shell 10, and the middle part of mounting shell 10 is equipped with connecting hole 10a and pedestal 1 passes through connection
Hole 10a has the advantages that manufacture and install more convenient.
When in use, water flow enters intake antrum 1b by water inlet end 1a, is up moved by water pressure pushing diaphragm 3, film
Piece 3 pushes jacking block 4 to rise with moving magnet 6, has by the variation that Hall sensor 7 incudes the line of magnetic induction to incude hydraulic pressure
The higher advantage of induction precision.Since magnet 6 is in positioning groove 4c, while magnet 6 is located in spring 5, by 5 magnetic of spring
Change, the line of magnetic induction is cut off and transfer, the advantage for keeping 7 induced magnet 6 of Hall sensor more stable.By the way that above-mentioned bottom bracing is arranged
8 positioning diaphragms 3, have locating effect preferably and dismounting is more convenient, while having the advantages that manufacture is more convenient.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although pedestal 1, water inlet end 1a, intake antrum 1b, shell 2, locating slot 2a, diaphragm 3, jacking block is used more herein
4, annular convex shoulder 4a, annular groove 4b, positioning groove 4c, through-hole 4d, spring 5, magnet 6, Hall sensor 7, bottom bracing 8, positioning
The terms such as portion 8a, limiting section 8b, cushion 9, mounting shell 10, connecting hole 10a, but the possibility using other terms is not precluded
Property.The use of these items is only for be more convenient to describe and explain essence of the invention；It is construed as any one
Additional limitation is disagreed with spirit of that invention.
Claims (10)
1. a kind of novel pressure sensor, including pedestal (1) and the shell (2) being arranged on pedestal (1), the pedestal
(1) outer end is water inlet end (1a), which is characterized in that diaphragm (3) are equipped between the pedestal (1) and the shell (2),
The inner sidewall of the diaphragm (3) and the pedestal (1) forms intake antrum (1b), the water inlet end (1a) and it is described into
Water cavity (1b) is connected, and jacking block (4) and spring (5) are equipped in the shell (2), and the spring (5) pushes described
Jacking block (4) is resisted against on the diaphragm (3), is fixed on the jacking block (4) magnet (6), is connected on the shell (2)
There is Hall sensor (7) and the Hall sensor (7) can incude the magnet (6).
2. a kind of novel pressure sensor according to claim 1, which is characterized in that the lower end of the shell (2) with
It is located bottom bracing (8) between the inner end of the pedestal (1), the bottom bracing (8) includes the positioning region (8a) of annular, described
Positioning region (8a) is resisted against the outer of diaphragm (3), and the positioning region (8a's) is interior limiting section (8b) and described along being vertically equipped with
Limiting section (8b) in the positioning region (8a) along setting, the lower end outside of the jacking block (4) has annular convex shoulder
(4a), the upper surface of the limiting section (8b) can be resisted against on the annular convex shoulder (4a).
3. a kind of novel pressure sensor according to claim 2, which is characterized in that described upper surface positioning region (8a)
It is resisted against on the lower end surface of the shell (2), the lower end surface of the positioning region (8a) squeezes the outer of the diaphragm (3)
On.
4. a kind of novel pressure sensor according to claim 1 or 2 or 3, which is characterized in that the diaphragm (3)
With a thickness of 0.42 to 0.88mm.
5. a kind of novel pressure sensor according to claim 1 or 2 or 3, which is characterized in that the jacking block (4)
Outside is equipped with annular groove (4b), and the lower end of the spring (5) is in the annular groove (4b).
6. a kind of novel pressure sensor according to claim 1 or 2 or 3, which is characterized in that the jacking block (4)
Upper end is equipped with positioning groove (4c), and the magnet (6) is in the form of a column and the magnet (6) is embedded in the positioning groove (4c)
Interior and described is interior.
7. a kind of novel pressure sensor according to claim 6, which is characterized in that the middle part axis of the jacking block (4)
To perforative through-hole (4d) is equipped with, the upper end of the through-hole (4d) is connected with the positioning groove (4c).
8. a kind of novel pressure sensor according to claim 1 or 2 or 3, which is characterized in that the diaphragm (3) is in
The coaxial arrangement of the waveform of ripples shape and the diaphragm (3).
9. a kind of novel pressure sensor according to claim 2, which is characterized in that the upper end of the limiting section (8b)
It is fixed with cushion (9) and the annular convex shoulder (4a) can be resisted against on the cushion (9).
10. a kind of novel pressure sensor according to claim 1 or 2 or 3, which is characterized in that the pedestal (1)
Outer end shield is equipped with mounting shell (10), and the middle part of the mounting shell (10) is equipped with connecting hole (10a) and the pedestal (1) passes through
The connecting hole (10a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910665035.XA CN110243530A (en) | 2019-07-23 | 2019-07-23 | A kind of novel pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910665035.XA CN110243530A (en) | 2019-07-23 | 2019-07-23 | A kind of novel pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110243530A true CN110243530A (en) | 2019-09-17 |
Family
ID=67893285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910665035.XA Pending CN110243530A (en) | 2019-07-23 | 2019-07-23 | A kind of novel pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110243530A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110763391A (en) * | 2019-11-01 | 2020-02-07 | 苏州柯尔特测控技术有限公司 | Open type anti-blocking pressure sensor and washing machine and electric cooker with same |
| CN112113689A (en) * | 2020-09-15 | 2020-12-22 | 智能移动机器人(中山)研究院 | Spring plantar sensor system based on Hall |
| CN114593864A (en) * | 2022-03-09 | 2022-06-07 | 中国船舶重工集团公司第七0三研究所 | Hydraulic sensor for thermal power plant thermodynamic system |
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|---|---|---|---|---|
| DE3235175A1 (en) * | 1982-09-23 | 1984-03-29 | Robert Bosch Gmbh, 7000 Stuttgart | Pressure transducer |
| JP2000241275A (en) * | 1999-02-25 | 2000-09-08 | Honda Motor Co Ltd | Pressure sensor |
| CN201307045Y (en) * | 2008-11-14 | 2009-09-09 | 江苏晶石科技集团有限公司 | Pressure detecting sensor |
| CN201378089Y (en) * | 2009-04-17 | 2010-01-06 | 蒋伟荣 | Vehicular electronic pressure sensor |
| CN104847948A (en) * | 2015-05-07 | 2015-08-19 | 北京航空航天大学 | High-precision automatic control pressure reducer |
| CN205898353U (en) * | 2016-08-15 | 2017-01-18 | 浙江华地电子有限公司 | Pressure sensor |
| CN205919923U (en) * | 2016-08-29 | 2017-02-01 | 台州市耀达工贸有限公司 | Miniature pressure sensors |
| CN207335950U (en) * | 2017-02-24 | 2018-05-08 | 利欧集团浙江泵业有限公司 | A kind of pressure sensor |
| CN108414132A (en) * | 2018-06-04 | 2018-08-17 | 陈荣国 | A kind of Fluid pressure detection sensor |
| CN208505518U (en) * | 2018-08-06 | 2019-02-15 | 陈荣国 | A kind of Fluid pressure detection sensor |
| CN210005152U (en) * | 2019-07-23 | 2020-01-31 | 浙江耀达智能科技股份有限公司 | pressure sensor |
-
2019
- 2019-07-23 CN CN201910665035.XA patent/CN110243530A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3235175A1 (en) * | 1982-09-23 | 1984-03-29 | Robert Bosch Gmbh, 7000 Stuttgart | Pressure transducer |
| JP2000241275A (en) * | 1999-02-25 | 2000-09-08 | Honda Motor Co Ltd | Pressure sensor |
| CN201307045Y (en) * | 2008-11-14 | 2009-09-09 | 江苏晶石科技集团有限公司 | Pressure detecting sensor |
| CN201378089Y (en) * | 2009-04-17 | 2010-01-06 | 蒋伟荣 | Vehicular electronic pressure sensor |
| CN104847948A (en) * | 2015-05-07 | 2015-08-19 | 北京航空航天大学 | High-precision automatic control pressure reducer |
| CN205898353U (en) * | 2016-08-15 | 2017-01-18 | 浙江华地电子有限公司 | Pressure sensor |
| CN205919923U (en) * | 2016-08-29 | 2017-02-01 | 台州市耀达工贸有限公司 | Miniature pressure sensors |
| CN207335950U (en) * | 2017-02-24 | 2018-05-08 | 利欧集团浙江泵业有限公司 | A kind of pressure sensor |
| CN108414132A (en) * | 2018-06-04 | 2018-08-17 | 陈荣国 | A kind of Fluid pressure detection sensor |
| CN208505518U (en) * | 2018-08-06 | 2019-02-15 | 陈荣国 | A kind of Fluid pressure detection sensor |
| CN210005152U (en) * | 2019-07-23 | 2020-01-31 | 浙江耀达智能科技股份有限公司 | pressure sensor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110763391A (en) * | 2019-11-01 | 2020-02-07 | 苏州柯尔特测控技术有限公司 | Open type anti-blocking pressure sensor and washing machine and electric cooker with same |
| CN112113689A (en) * | 2020-09-15 | 2020-12-22 | 智能移动机器人(中山)研究院 | Spring plantar sensor system based on Hall |
| CN114593864A (en) * | 2022-03-09 | 2022-06-07 | 中国船舶重工集团公司第七0三研究所 | Hydraulic sensor for thermal power plant thermodynamic system |
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