CN208833224U - Settlement sensor - Google Patents
Settlement sensor Download PDFInfo
- Publication number
- CN208833224U CN208833224U CN201821587638.XU CN201821587638U CN208833224U CN 208833224 U CN208833224 U CN 208833224U CN 201821587638 U CN201821587638 U CN 201821587638U CN 208833224 U CN208833224 U CN 208833224U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- pressure
- oil
- tube socket
- welding bench
- 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.)
- Expired - Fee Related
Links
- 238000003466 welding Methods 0.000 claims abstract description 30
- 230000004308 accommodation Effects 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 4
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 8
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000002633 protecting effect Effects 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 32
- 235000019198 oils Nutrition 0.000 description 32
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 235000015112 vegetable and seed oil Nutrition 0.000 description 2
- 239000008158 vegetable oil Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- SBEQWOXEGHQIMW-UHFFFAOYSA-N silicon Chemical compound [Si].[Si] SBEQWOXEGHQIMW-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The settlement sensor of the utility model, comprising: ontology, there are two pressure-sensitive faces for outside tool；Two pressure-sensitive diaphragms, connect one to one described two pressure-sensitive faces respectively, forms two accommodation spaces, to accommodate pilot medium；Sleeve is set on ontology, and the sleeve has cavity；Welding bench, in the cavity of sleeve, the welding bench and the ontology are welded, and there are gaps between the outside and sleeve of the welding bench；Tube socket is set in cavity and welds with welding bench, there are gap between the outside and sleeve of the tube socket, is packaged with chip in the tube socket, cross-drilled hole oil duct is additionally provided in the tube socket, and one end of the cross-drilled hole oil duct is connected to the gap.The positive and negative chamber of sensor can be separated by welding twice, realize the isolating seal of positive and negative chamber by the settlement sensor of the utility model; simple process, protecting effect are good, it is not easy to reveal; the vertical displacement difference of measurement can reach that grade is other, be especially suitable for the little workplace of static pressure.
Description
Technical field
The utility model relates to a kind of sensors, are specifically related to a kind of settlement sensor.
Background technique
Settlement sensor is applied in measurement relative vertical displacement variation, therefore is widely used in highway subgrade, railway road
Base, dam body, settling test, embankment project and various buildings foundation settlement deformation measurement in.
Currently, there are many structure types for settlement sensor in the prior art, such as can be sensed using traditional differential pressure
Device or pressure sensor structure.Using traditional differential pressure pick-up structure, due to the unidirectional overvoltage protection of band in the prior art
Differential pressure pick-up structure is complicated, high to technique and equipment requirement, manufacturing cost is high, and manufacturing process is complicated, makes it have a small amount of
Journey low precision.Using pressure sensor structure, since the positive pressure side of pressure sensor needs to rush oil, negative pressure end needs logical atmosphere,
Positive and negative terminal pilot medium is different, causes small-range low precision, and easily leakage, blocks the atmosphere pilot of suction side at low temperatures
Pipe, causes measurement error.
In view of this, it is really necessary to develop a kind of settlement sensor, to solve settlement sensor cost in the prior art
Height, manufacturing process are complicated and have the problem of small-range low precision.
Summary of the invention
Therefore, the purpose of the utility model is to provide a kind of settlement sensors, and the cost of the settlement sensor is low, manufacture work
Skill is simple, it is not easy to reveal, precision is more accurate.
In order to achieve the above object, the settlement sensor of the utility model, comprising:
Ontology, there are two pressure-sensitive faces for outside tool；
Two pressure-sensitive diaphragms, connect one to one described two pressure-sensitive faces respectively, forms two accommodation spaces, to accommodate
Pilot medium；
Sleeve is set on ontology, and the sleeve has cavity；
Welding bench, in the cavity of sleeve, the welding bench and the ontology are welded, the outside of the welding bench and set
There are gaps between cylinder；
Tube socket is set in cavity and welds with welding bench, there are gap between the outside and sleeve of the tube socket, in the tube socket
It is packaged with chip, cross-drilled hole oil duct is additionally provided in the tube socket, one end of the cross-drilled hole oil duct is connected to the gap, and the other end is connected to core
The upper surface of piece；
Two oil circuits, connect one to one two accommodation spaces, wherein the lower end surface of an oil communication chip, another oil circuit
It is connected to the gap.
Optionally, there are two oil-filled pipelines for tool in the tube socket, inject pilot medium into two oil circuits respectively.
Optionally, the pilot medium is silicone oil, fluorocarbon oil or vegetable oil.
Optionally, the pressure-sensitive diaphragm is metal material.
Optionally, the direction radially outside of the welding bench offers an at least V-type annular groove, the V-type annular groove connection
The gap.
Optionally, the quantity of the V-type annular groove is two.
Compared to the prior art, the settlement sensor of the utility model, by the way that welding bench and ontology are welded, by tube socket with
Welding bench welding, and the lower end surface of one of oil communication chip is made to form positive pressure chamber, another oil circuit connects after being connected to gap
Logical cross-drilled hole oil duct, so that the upper surface for being connected to chip forms negative pressure cavity.The settlement sensor of the utility model as a result, passes through two
Secondary welding can separate the positive and negative chamber of sensor, realize the isolating seal of positive and negative chamber, simple process, protecting effect is good, no
It is easy leakage, the vertical displacement difference of measurement can reach that grade is other, be especially suitable for the little workplace of static pressure.
Detailed description of the invention
Fig. 1 is painted the stereoscopic schematic diagram of the utility model settlement sensor.
Fig. 2 is painted the cross-sectional view of one angle of the utility model settlement sensor.
Fig. 3 is painted the partial enlargement diagram of Fig. 2.
Fig. 4 is painted the cross-sectional view of another angle of the utility model settlement sensor.
Wherein, 10 be settlement sensor, and 11 be ontology, and 12,13 be pressure-sensitive face, and 14 be waveform slot texture, and 15,16 be pressure-sensitive
Diaphragm, 17,18 be accommodation space, and 19 be sleeve, and 20 be welding bench, and 21 be gap, and 22 be tube socket, and 23 be chip, and 24 be cross-drilled hole
Oil duct, 25,26 be oil circuit, and 27,28 be oil-filled pipeline, and 29 be V-type annular groove.
Specific embodiment
It is detailed now in conjunction with attached drawing to have further understanding to the purpose of this utility model, technological means and technical effect
It is described as follows.
Shown in please referring to Fig.1 to Fig.4, wherein Fig. 1 depicts the stereoscopic schematic diagram of the utility model settlement sensor, Fig. 2
The cross-sectional view of one angle of the utility model settlement sensor is depicted, Fig. 3 depicts the partial enlargement diagram of Fig. 2, and Fig. 4 is painted
The cross-sectional view of another angle of the utility model settlement sensor.
In a preferred embodiment, the settlement sensor 10 of the utility model, for measuring the Relative vertical of measured medium
Change in displacement (i.e. sedimentation variation), the settlement sensor 10 includes:
Ontology 11, there are two pressure-sensitive face 12,13, described two pressure-sensitive faces 12,13 to have waveform slot texture 14 for outside tool；
Two pressure-sensitive diaphragms 15,16 form to obtain and the pressure-sensitive face 12,13 corresponding waveform slot textures by diaphragm
14, connect one to one described two pressure-sensitive faces 12,13 respectively, is formed between the pressure-sensitive diaphragm 15,16 and pressure-sensitive face 12,13
Two accommodation spaces 17,18, to accommodate pilot medium, to perceive, handle, transmit the variation of relative vertical displacement；
Sleeve 19, is in the form of a column body, is set on ontology 11, and the sleeve 19 has cavity；
Welding bench 20, in the cavity of sleeve 19, the welding bench 20 is welded with the ontology 11, the welding bench 20
Outside and sleeve 19 between there are gap 21, i.e., the diameter of the described welding bench 20 is less than the diameter of the cavity；
Tube socket 22 is set in cavity and welds with welding bench 20, there are gap 21 between the outside and sleeve 19 of the tube socket 22,
The diameter of the i.e. described tube socket 22 is less than the diameter of the cavity, and chip 23 is packaged in the tube socket 22, is gone back in the tube socket 22
Equipped with cross-drilled hole oil duct 24, one end of the cross-drilled hole oil duct 24 is connected to the gap 21, and the other end is connected to the upper surface of chip 23, wherein
The chip 23 can be monocrystalline silicon silicon wafer, and overload protection with higher is to realize individual event defencive function；
Two oil circuits 25,26, connect one to one two accommodation spaces 17,18, wherein under an oil circuit 25 connection chip
End face forms positive pressure chamber, and another oil circuit 26 is connected to the gap, because one end of cross-drilled hole oil duct 24 is connected to the gap 21, separately
One end is connected to the upper surface of chip 23, thus forms negative pressure cavity.
Wherein, there are two oil-filled pipelines 27,28 for tool in the tube socket 22, inject pilot into two oil circuits 25,26 respectively
Medium, so that full of the pilot medium for conducting relative vertical displacement variation in the oil circuit 25,26.
Wherein, the pilot medium is silicone oil, fluorocarbon oil or vegetable oil, is certainly not limited to this, can also be situated between for other pilots
Matter.
Wherein, the pressure-sensitive diaphragm 15,16 is metal material, may be, for example, high-precision stainless steel diaphragm.
Wherein, the direction radially outside of the welding bench 20 offers an at least V-type annular groove 29, the V-type annular groove 29
It is connected to the gap 21, can make pilot medium full of in oil circuit 26, gap 21 and cross-drilled hole oil duct 24 more quickly.
Wherein, the quantity of the V-type annular groove 29 is two, can make pilot medium full of oil circuit 26, gap more quickly
21 and cross-drilled hole oil duct 24 in；Certainly in other embodiments, V-type annular groove 29 can also be opened on tube socket 22.
Referring to shown in Fig. 1 to Fig. 4, the settlement sensor 10 of the utility model, by by welding bench 20 and ontology
11 welding, tube socket 22 and welding bench 20 are welded, the positive and negative chamber of the settlement sensor 10 can be separated, realize positive and negative chamber
Isolating seal.
During actual measurement, by immersing settlement sensor 10 in measured medium, measured medium can wait it for soil
His medium, so that measured medium forms normal pressure to 10 positive pressure chamber of settlement sensor, and forms negative pressure, positive pressure to negative pressure cavity
Power passes through oil circuit 26, gap 21 and cross by the lossless lower end surface for being transferred to chip 23 of pilot medium in oil circuit 25, negative pressure
The lossless upper surface for being transferred to chip 23 of pilot medium in hole oil duct 24.Meeting under the action of positive and negative pressure of chip 23
Small deformation occurs, the resistance value so as to cause the bridge resistance, inside the chip 23 changes, by vibrating and demodulating
Link is converted into the signal directly proportional to relative vertical displacement, by connection power supply device to provide burning voltage to chip 23,
The output electric current of the chip 23 can be transferred among corresponding instrument and meter again, the sedimentation for being able to measure measured medium becomes
Change.
The settlement sensor 10 of the utility model as a result, can be separated the positive and negative chamber of sensor by welding twice,
Simple process, protecting effect are good, it is not easy to reveal, it is other that the vertical displacement difference of measurement can reach grade, is especially suitable for static pressure not
Big workplace.
It is noted that the present invention is not limited to the above embodiments, any person skilled in the art is based on
Any simple modifications, equivalents, and modifications that technical solutions of the utility model do above-described embodiment are each fallen within practical
In novel protection scope.
Claims (6)
1. a kind of settlement sensor characterized by comprising
Ontology, there are two pressure-sensitive faces for outside tool；
Two pressure-sensitive diaphragms, connect one to one described two pressure-sensitive faces respectively, two accommodation spaces is formed, to accommodate pilot
Medium；
Sleeve is set on ontology, and the sleeve has cavity；
Welding bench, in the cavity of sleeve, the welding bench and the ontology are welded, between the outside and sleeve of the welding bench
There are gaps；
Tube socket is set in cavity and welds with welding bench, there are gap between the outside and sleeve of the tube socket, encapsulates in the tube socket
There is chip, cross-drilled hole oil duct is additionally provided in the tube socket, one end of the cross-drilled hole oil duct is connected to the gap, and the other end is connected to chip
Upper surface；
Two oil circuits, connect one to one two accommodation spaces, wherein the lower end surface of an oil communication chip, another oil communication
The gap.
2. settlement sensor according to claim 1, which is characterized in that there are two oil-filled pipelines for tool in the tube socket, divide
Pilot medium is injected not into two oil circuits.
3. settlement sensor according to claim 1 or 2, which is characterized in that the pilot medium is silicone oil, fluorocarbon oil or plant
Object oil.
4. settlement sensor according to claim 1, which is characterized in that the pressure-sensitive diaphragm is metal material.
5. settlement sensor according to claim 1, which is characterized in that the direction radially outside of the welding bench opens up
There is an at least V-type annular groove, the V-type annular groove is connected to the gap.
6. settlement sensor according to claim 5, which is characterized in that the quantity of the V-type annular groove is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821587638.XU CN208833224U (en) | 2018-09-27 | 2018-09-27 | Settlement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821587638.XU CN208833224U (en) | 2018-09-27 | 2018-09-27 | Settlement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208833224U true CN208833224U (en) | 2019-05-07 |
Family
ID=66317070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821587638.XU Expired - Fee Related CN208833224U (en) | 2018-09-27 | 2018-09-27 | Settlement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208833224U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186541A (en) * | 2018-09-27 | 2019-01-11 | 江苏德尔森控股有限公司 | Settlement sensor |
-
2018
- 2018-09-27 CN CN201821587638.XU patent/CN208833224U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186541A (en) * | 2018-09-27 | 2019-01-11 | 江苏德尔森控股有限公司 | Settlement sensor |
| CN109186541B (en) * | 2018-09-27 | 2024-08-23 | 江苏德尔森控股有限公司 | Sedimentation sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106153221A (en) | A kind of manufacture method of high-precision pressure sensor based on Si-Si bonding | |
| CN202141554U (en) | Ceramic structure metal sensitive diaphragm capacitance pressure transducer | |
| CN109186851B (en) | Multi-parameter differential pressure sensor | |
| CN110220665A (en) | A kind of method for security protection for temporarily rushing formula supersonic wind tunnel lower range and surveying pressure scanning valve | |
| CN104204755B (en) | The pressure sensor of micromechanics | |
| CN212300699U (en) | Integrated miniature pore pressure sensor | |
| CN209976973U (en) | Detection device for rapidly detecting internal leakage of hydraulic oil cylinder | |
| CN208833224U (en) | Settlement sensor | |
| CN207636232U (en) | A kind of strain-type differential pressure pickup | |
| CN107228731A (en) | A kind of differential pressure sensor arrangement and its method for packing | |
| CN105067182A (en) | High-stability monocrystalline silicon differential pressure sensor | |
| CN104316227B (en) | A kind of two-sided pressure sensing type soil pressure sensor | |
| CN104931176A (en) | Piezoelectric type three jaw chuck clamping force measurement device | |
| CN204328489U (en) | A kind of signal conditioner for oil and gas pipeline leakage detection | |
| CN109186541A (en) | Settlement sensor | |
| CN104358560B (en) | Take downhole flow testing arrangement of protection machanism | |
| CN201707160U (en) | Piezoresistive pressure sensor integrated base | |
| CN204535913U (en) | High stability monocrystalline silicon differential pressure pickup | |
| CN103308070A (en) | Connected liquid level type water level checking method | |
| CN102539063B (en) | High-pressure sensor chip with SOI (silicon on insulator) rectangular film structure | |
| CN209979118U (en) | High overvoltage protection type coplanar differential pressure sensor | |
| CN211262563U (en) | Novel high-overload differential pressure sensor | |
| CN103925868A (en) | Resistance strain gauge without influence of resistance of long conductor | |
| CN103487335B (en) | Special buckle of oil casing crosses the method for testing turning round large sstrain | |
| CN206787664U (en) | Liquid level emasuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190507 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |