CN109870270A - A kind of digital pressure sensor aging caliberating device and method - Google Patents
A kind of digital pressure sensor aging caliberating device and method Download PDFInfo
- Publication number
- CN109870270A CN109870270A CN201910044909.XA CN201910044909A CN109870270A CN 109870270 A CN109870270 A CN 109870270A CN 201910044909 A CN201910044909 A CN 201910044909A CN 109870270 A CN109870270 A CN 109870270A
- Authority
- CN
- China
- Prior art keywords
- pressure sensor
- digital pressure
- column
- digital
- fixedly connected
- 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.)
- Pending
Links
- 230000032683 aging Effects 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims 1
- 238000005260 corrosion Methods 0.000 description 12
- 230000007797 corrosion Effects 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 229920000459 Nitrile rubber Polymers 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- -1 alkene nitrile Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012905 input function Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The embodiment of the invention discloses a kind of digital pressure sensor aging caliberating device and methods, including pressure source system and the support chassis for being located at pressure source system side, the pressure source system has outlet tube and liquid back pipe, fixed be installed in series has several upward out splice going splices on the support chassis, the top of the out splice going splice is fixedly connected with the column being vertically arranged, several digital pressure sensors are installed on the column, the column has the aperture for being connected to out splice going splice with digital pressure sensor, the top of several columns is fixedly connected with horizontally disposed frame, the top of the frame is fixedly connected with U-shaped mounting rack directed downwardly, the top of the U-shaped mounting rack is fixedly connected with exhaust valve, intermediate tube is connected between the column and exhaust valve, the exhaust valve is connect by liquid back pipe with pressure source system.Solve the problems, such as that the quantity demarcated in the prior art due to aging a collection of caused by unreasonable structure is few and low efficiency.
Description
Technical field
The present embodiments relate to gauge check Instrument technology fields, and in particular to a kind of digital pressure sensor aging
Caliberating device and method.
Background technique
Digital pressure sensor is a kind of novel RS485 digital output sensor, relatively universal defeated currently on the market
The transmitter of analog signals is more suitable vast industry control automation subscriber signal acquisition out, and RS485 digital sensor has
Vast potential for future development is widely used in various industrial automatic control environment, is related to petroleum pipeline, water conservancy and hydropower, railway traffic, intelligence
Numerous industries such as building, production automatic control, aerospace, military project, petrochemical industry, oil well, electric power, ship, lathe, hydraulic machinery.
At present the same industry in largely take the pressure calibration of two or three pressure output interfaces to install, demarcate and
Aging techniques.The main reason for taking such mode is: 1. cannot form economic lot size with the digital pressure sensor of range；
2. digital pressure sensor does not export input function wirelessly.Therefore disadvantage present in the prior art is apparent: 1. batch into
Device resource is insufficient when the aging of row digital pressure sensor, calibration；2. staking-out work is cumbersome；3. working efficiency is extremely low；4. marking
Fixed, aging higher cost；5. labor intensity of operating staff is larger.
Summary of the invention
For this purpose, the embodiment of the present invention provides a kind of digital pressure sensor aging caliberating device and method, it is existing to solve
The problem of quantity demarcated in technology due to aging a collection of caused by unreasonable structure is few and low efficiency.
To achieve the goals above, embodiments of the present invention provide the following technical solutions:
A kind of digital pressure sensor aging caliberating device including pressure source system and is located at pressure source system side
Support chassis, the pressure source system have outlet tube and liquid back pipe, on the support chassis it is fixed be installed in series have it is several to
On out splice going splice, the top of the out splice going splice is fixedly connected with the column being vertically arranged, is equipped on the column several
Digital pressure sensor, the column have the aperture for being connected to out splice going splice with digital pressure sensor, several columns
Top be fixedly connected with horizontally disposed frame, the top of the frame is fixedly connected with U-shaped mounting rack directed downwardly, described
The top of U-shaped mounting rack is fixedly connected with exhaust valve, and intermediate tube, the exhaust valve are connected between the column and exhaust valve
It is connect by liquid back pipe with pressure source system.
By using above-mentioned technical proposal, on the basis of breaching pressure system structure technology bottleneck, to existing
There is technical approach to carry out thorough change, be provided with column, makes the installation number of measured number pressure sensor at tens times
Increase.
Preferably, the pressure source system includes pre- press pump, booster pump, normal pressure module and display screen.
By using above-mentioned technical proposal, pressure source system provides the pressure of liquid for detection.
Preferably, the digital pressure sensor is along column circumferential arrangement.
By using above-mentioned technical proposal, the installation number of digital pressure sensor is more.
It preferably, further include wireless collection device, the wireless collection device is connected with computer.
By using above-mentioned technical proposal, wireless telecommunications output, the stability and correctness for receiving system make calibrated
Journey realizes " key calibration ", so that make the labor intensity of operator reduces significantly, effectively improves working efficiency.
Preferably, the column is made of 304 stainless steels.
By using above-mentioned technical proposal, 304 stainless steels are a kind of stainless steel materials of versatility, and rustless property is than 200
The stainless steel material of series is eager to excel.It is also relatively good in terms of high temperature resistant, generally using temperature extremes less than 650 DEG C.304 stainless steels
With excellent stainless corrosion resistance and preferable anti intercrystalline corrosion performance.It to oxidizing acid, obtains in an experiment: concentration
In≤65% boiling temperature nitric acid below, 304 stainless steels have very strong corrosion resistance.Have to aqueous slkali and major part
Machine acid and inorganic acid also have good corrosion resistance.The key technical indexes are as follows: density 7.93g/cm3, tensile strength sigma
B (MPa) >=520, yield strength σ 0.2 (MPa) >=205, elongation δ 5 (%) >=40, contraction percentage of area ψ (%) >=60, hardness
≤187HB.In implementation process, 304 stainless steels play the role of in technical solution, can bear superelevation in guarantee column
While pressure, bonding strength, due to its mechanical performance with good machinability, it has been greatly reduced processing cost,
Reach designing technique index.
Preferably, the gasket in device is red copper gasket.
By using above-mentioned technical proposal, red copper has good electric conductivity and thermal conductivity, and plasticity is fabulous, is easy to hot pressing
It is processed with cold pressure, there is good corrosion resistance.The key technical indexes are as follows: tensile strength is 22~25 Kgfs/millimeter 2, elongation
Rate is 45~50%, and Brinell hardness (HB) is 35~45, density 8.969g/cm3.Red copper pad belongs to the one of metal jacketed gasket
Kind, there is good corrosion resistance, wearability and crushing resistance are more prominent.In implementation process, red copper pad plays technology
Effect in scheme ensure that pipeline has reliable leakproofness, reach designing technique index.
Preferably, the sealing ring in device is butyronitrile O-ring seals.
By using above-mentioned technical proposal, butyronitrile O-ring seals why are selected, first is that for other materials
Price is lower, second is that its physicochemical property is more excellent, can satisfy technical requirements.Nitrile rubber abbreviation NBR, by butadiene and third
The copolymerization of alkene nitrile is made.Oil resistant, ageing-resistant performance are good, can use for a long time in 120 DEG C of air or in 150 DEG C of oil.This
Outside, also there is water resistance, air-tightness and excellent adhesive property.In implementation process, butyronitrile O-ring seals play technology
Effect in scheme ensure that the sealing of pipeline, reach designing technique index.
The present invention also provides a kind of digital pressure sensor aging scaling methods, it is characterised in that: the following steps are included:
A, output pressure value is set by touch display screen, each component is moved by specialized application software
It controls, obtains stable output pressure；
B, pressure acquisition system by with wireless receiving and sending function digital pressure sensor and collector form,
Under calibration state, computer sends calibration instruction to digital pressure sensor by wireless collection device, completes " key calibration "
Work；Under working condition, wireless collection device collects the pressure information of digital pressure sensor by wireless communication, and passes through number
Terminal, monitoring, the working condition for recording digital pressure sensor are finally uploaded to according to conversion.
By using above-mentioned technical proposal, pressure acquisition system is by the digital pressure with wireless receiving and sending function
Sensor and collector composition, the wireless transmission of product work in the dedicated of the open measuring equipment wireless data transmission of country
Frequency range has small in size, low in energy consumption, strong antijamming capability, networking flexibility, reliable performance stabilization, is easily installed, easy to use
The advantages that.Under calibration state, computer sends calibration instruction to digital pressure sensor by wireless collection device, completes " a key
The work of calibration "；Under working condition, wireless collection device collects the pressure information of digital pressure sensor by wireless communication,
And terminal, monitoring, the working condition for recording digital pressure sensor are finally uploaded to by data conversion.
Embodiment according to the present invention has the advantages that the present invention is exactly to breach the processing of pressure system structure
On the basis of technology bottleneck, thorough change has been carried out to prior art manner, can not only make the peace of tested sensor
Dress quantity increases at tens times, also calibration process is made to realize " key calibration ", to make the labor intensity of operator significantly
It reduces, effectively improves working efficiency.
Detailed description of the invention
It, below will be to implementation in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Mode or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description
It is only exemplary, it for those of ordinary skill in the art, without creative efforts, can be with
It is extended according to the attached drawing of offer and obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing what the present invention can be generated
Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents obtain and can cover.
Fig. 1 is the structural schematic diagram of digital pressure sensor aging caliberating device provided in an embodiment of the present invention；
Fig. 2 is the schematic illustration of digital pressure sensor aging caliberating device provided in an embodiment of the present invention.
In figure: 1, pressure source system；2, support chassis；3, outlet tube；4, liquid back pipe；5, out splice going splice；6, column；7,
Digital pressure sensor；8, frame；9, U-shaped mounting rack；10, exhaust valve；11, intermediate tube；12, normal pressure module.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this theory
Content disclosed by bright book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
The term of cited such as "upper", "lower", "left", "right", " centre ", is merely convenient to chat in this specification
That states is illustrated, rather than to limit the scope of the invention, relativeness is altered or modified, without substantive change
Under technology contents, when being also considered as the enforceable scope of the present invention.
As shown in Figure 1, a kind of digital pressure sensor aging caliberating device, including pressure source system 1 and it is located at pressure source
The support chassis 2 of 1 side of system, pressure source system 1 have outlet tube 3 and liquid back pipe 4, and fixation is installed in series on support chassis 2
There are several upward out splice going splices 5, the top of out splice going splice 5 is fixedly connected with the column 6 being vertically arranged, is equipped on column 6
Several digital pressure sensors 7, column 6 have the aperture for being connected to out splice going splice 5 with digital pressure sensor 7, Ruo Ganli
The top of column 6 is fixedly connected with horizontally disposed frame 8, and the top of frame 8 is fixedly connected with U-shaped mounting rack 9 directed downwardly, U-shaped
The top of mounting rack 9 is fixedly connected with exhaust valve 10, and intermediate tube 11 is connected between column 6 and exhaust valve 10, and exhaust valve 10 is logical
Liquid back pipe 4 is crossed to connect with pressure source system 1.
On the basis of breaching pressure system structure technology bottleneck, prior art manner has been carried out thoroughly
Change, be provided with column 6, make the installation number of measured number pressure sensor 7 at tens times increase.
Pressure source system 1 includes pre- press pump, booster pump, normal pressure module 12 and display screen, and pressure source system 1 is
Detection provides the pressure of liquid.
For digital pressure sensor 7 along 6 circumferential arrangement of column, the installation number of digital pressure sensor 7 is more.
It is additionally provided with wireless collection device, wireless collection device is connected with computer, and wireless telecommunications output receives the steady of system
Qualitative and correctness makes calibration process realize " key calibration ", so that make the labor intensity of operator reduces significantly, has
Improve work efficiency to effect.
Column 6 is made of 304 stainless steels, and 304 stainless steels are a kind of stainless steel materials of versatility, and rustless property is than 200
The stainless steel material of series is eager to excel.It is also relatively good in terms of high temperature resistant, generally using temperature extremes less than 650 DEG C.304 stainless steels
With excellent stainless corrosion resistance and preferable anti intercrystalline corrosion performance.It to oxidizing acid, obtains in an experiment: concentration
In≤65% boiling temperature nitric acid below, 304 stainless steels have very strong corrosion resistance.Have to aqueous slkali and major part
Machine acid and inorganic acid also have good corrosion resistance.The key technical indexes are as follows: density 7.93g/cm3, tensile strength sigma
B (MPa) >=520, yield strength σ 0.2 (MPa) >=205, elongation δ 5 (%) >=40, contraction percentage of area ψ (%) >=60, hardness
≤187HB.In implementation process, 304 stainless steels play the role of in technical solution, can bear to surpass in guarantee column (6)
While high pressure, bonding strength, due to its mechanical performance with good machinability, it has been greatly reduced and has been processed into
This, reaches designing technique index.
Gasket in device is red copper gasket, and red copper has good electric conductivity and thermal conductivity, and plasticity is fabulous, easily
It is processed in hot pressing and cold pressure, there is good corrosion resistance.The key technical indexes are as follows: tensile strength is 22~25 Kgfs/millimeter
2, elongation is 45~50%, and Brinell hardness (HB) is 35~45, density 8.969g/cm3.Red copper pad belongs to metallic cover pad
One kind of piece, has good corrosion resistance, and wearability and crushing resistance are more prominent.In implementation process, red copper is paved
Effect in technical solution ensure that pipeline has reliable leakproofness, reach designing technique index.
Sealing ring in device is butyronitrile O-ring seals, butyronitrile O-ring seals why is selected, first is that relative to other
Price is lower for material, second is that its physicochemical property is more excellent, can satisfy technical requirements.Nitrile rubber abbreviation NBR, by fourth
Diene and acrylonitrile compolymer are made.Oil resistant, ageing-resistant performance are good, can be long-term in 120 DEG C of air or in 150 DEG C of oil
It uses.In addition, also having water resistance, air-tightness and excellent adhesive property.In implementation process, butyronitrile O-ring seals are risen
The effect in technical solution has been arrived, ensure that the sealing of pipeline, has reached designing technique index.
Such as Fig. 2, a kind of digital pressure sensor aging scaling method, comprising the following steps:
A, output pressure value is set by touch display screen, each component is moved by specialized application software
It controls, obtains stable output pressure；
B, pressure acquisition system is made of digital pressure sensor 7 and collector with wireless receiving and sending function,
Under calibration state, computer sends calibration instruction to digital pressure sensor 7 by wireless collection device, completes " key calibration "
Work；Under working condition, wireless collection device collects the pressure information of digital pressure sensor 7 by wireless communication, and passes through
Data conversion is finally uploaded to terminal, monitoring, the working condition for recording digital pressure sensor 7.
Pressure acquisition system is made of digital pressure sensor 7 and collector with wireless receiving and sending function, is produced
The wireless transmission of product works in the dedicated frequency range of the open measuring equipment wireless data transmission of country, has small in size, power consumption
The advantages that low, strong antijamming capability, networking flexibility, reliable performance are stable, are easily installed, easy to use.Under calibration state, meter
Calculation machine sends calibration instruction to digital pressure sensor 7 by wireless collection device, completes the work of " key calibration "；Work shape
Under state, wireless collection device collects the pressure information of digital pressure sensor 7 by wireless communication, and final by data conversion
It is uploaded to terminal, monitoring, the working condition for recording digital pressure sensor 7.
The key technical indexes are as follows: transmission range >=500M (spaciousness transmission)；Frequency range 470MHz~510MHZ；Communication
Channel, 16 grades adjustable；Built-in communication antenna, network topology, stelliform connection topology configuration；Computer end communication, RS485；Single wireless communication
Road receiving number, 99；Frequency acquisition can be set.In implementation process, reach designing technique index.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (8)
1. a kind of digital pressure sensor aging caliberating device, it is characterised in that: including pressure source system (1) and be located at pressure source
The support chassis (2) of system (1) side, the pressure source system (1) have outlet tube (3) and liquid back pipe (4), the support bottom
Fixed be installed in series has several upward out splice going splices (5) on disk (2), and the top of the out splice going splice (5) is fixedly connected with perpendicular
The column (6) being directly arranged is equipped with several digital pressure sensors (7) on the column (6), and the column (6) has will be defeated
The aperture that connector (5) is connected to digital pressure sensor (7) out, the top of several columns (6) are fixedly connected with level and set
The frame (8) set, the top of the frame (8) are fixedly connected with U-shaped mounting rack (9) directed downwardly, the U-shaped mounting rack (9)
Top is fixedly connected with exhaust valve (10), is connected with intermediate tube (11), the exhaust between the column (6) and exhaust valve (10)
Valve (10) is connect by liquid back pipe (4) with pressure source system (1).
2. a kind of digital pressure sensor aging caliberating device according to claim 1, it is characterised in that: the pressure source
System (1) includes pre- press pump, booster pump, normal pressure module (12) and display screen.
3. a kind of digital pressure sensor aging caliberating device according to claim 1, it is characterised in that: the number pressure
Force snesor (7) is along column (6) circumferential arrangement.
4. a kind of digital pressure sensor aging caliberating device according to claim 1, it is characterised in that: further include wireless
Collector, the wireless collection device are connected with computer.
5. a kind of digital pressure sensor aging caliberating device according to claim 1, it is characterised in that: the column
(6) it is made of 304 stainless steels.
6. a kind of digital pressure sensor aging caliberating device according to claim 1, it is characterised in that: close in device
Packing is red copper gasket.
7. a kind of digital pressure sensor aging caliberating device according to claim 1, it is characterised in that: close in device
Seal is butyronitrile O-ring seals.
8. a kind of digital pressure sensor aging scaling method, it is characterised in that: the following steps are included:
A, output pressure value is set by touch display screen, movement control is carried out to each component by specialized application software
System, obtains stable output pressure；
B, pressure acquisition system by with wireless receiving and sending function digital pressure sensor (7) and collector form, mark
Determine under state, computer sends calibration instruction to digital pressure sensor (7) by wireless collection device, completes " key calibration "
Work；Under working condition, wireless collection device collects the pressure information of digital pressure sensor (7) by wireless communication, and passes through
Data conversion is finally uploaded to terminal, monitoring, the working condition for recording digital pressure sensor (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910044909.XA CN109870270A (en) | 2019-01-17 | 2019-01-17 | A kind of digital pressure sensor aging caliberating device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910044909.XA CN109870270A (en) | 2019-01-17 | 2019-01-17 | A kind of digital pressure sensor aging caliberating device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109870270A true CN109870270A (en) | 2019-06-11 |
Family
ID=66917785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910044909.XA Pending CN109870270A (en) | 2019-01-17 | 2019-01-17 | A kind of digital pressure sensor aging caliberating device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109870270A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238724A (en) * | 2020-01-18 | 2020-06-05 | 天水逢泰科技有限责任公司 | High-precision pressure transmitter aging test system test device |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201000383Y (en) * | 2007-01-09 | 2008-01-02 | 上海工业自动化仪表研究所 | Intelligent pressure difference sensor multi-point regulating device |
| CN102494841A (en) * | 2011-12-26 | 2012-06-13 | 潍柴动力股份有限公司 | Pressure sensor calibration system |
| CN203551197U (en) * | 2013-11-29 | 2014-04-16 | 宁波长壁流体动力科技有限公司 | Pressure sensor test device |
| CN103884468A (en) * | 2014-03-28 | 2014-06-25 | 中国工程物理研究院总体工程研究所 | Multi-path pressure setting device of soil engineering pressure sensor |
| CN203745135U (en) * | 2014-03-28 | 2014-07-30 | 中国工程物理研究院总体工程研究所 | Multipath pressure calibration device for geotechnical pressure sensor |
| CN204514538U (en) * | 2015-04-22 | 2015-07-29 | 湖南省计量检测研究院 | A kind of wireless pressure data collecting instrument calibrating installation with temperature-controlling system |
| CN105572307A (en) * | 2016-01-28 | 2016-05-11 | 河北先河环保科技股份有限公司 | Calibration tool for gas sensors and calibration method |
| CN105738032A (en) * | 2014-12-08 | 2016-07-06 | 航天长征火箭技术有限公司 | Grain pressure sensor calibration device and calibration method |
| CN106645587A (en) * | 2017-01-16 | 2017-05-10 | 清华大学 | Gas sensor evaluation and calibration system |
| CN106706211A (en) * | 2015-11-17 | 2017-05-24 | 刘垚 | Pressure sensor calibration device and method and equipment equipped with device |
| CN206905967U (en) * | 2017-06-21 | 2018-01-19 | 无锡阿尔法精密机械制造有限公司 | A kind of pressure sensor batch demarcation frock |
| CN207556750U (en) * | 2017-12-20 | 2018-06-29 | 苏州市建筑科学研究院集团股份有限公司 | A kind of pressure-measuring system auto-calibration examines equipment |
| CN108645565A (en) * | 2018-07-17 | 2018-10-12 | 中国地震局工程力学研究所 | A kind of binary channels SERVO CONTROL dynamic pore pressure marking apparatus and scaling method |
| CN108918027A (en) * | 2018-09-25 | 2018-11-30 | 龙岩学院 | A kind of pressure sensor calibrating apparatus |
| CN209264181U (en) * | 2019-01-17 | 2019-08-16 | 北京远华天创科技有限责任公司 | A kind of digital pressure sensor aging caliberating device |
-
2019
- 2019-01-17 CN CN201910044909.XA patent/CN109870270A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201000383Y (en) * | 2007-01-09 | 2008-01-02 | 上海工业自动化仪表研究所 | Intelligent pressure difference sensor multi-point regulating device |
| CN102494841A (en) * | 2011-12-26 | 2012-06-13 | 潍柴动力股份有限公司 | Pressure sensor calibration system |
| CN203551197U (en) * | 2013-11-29 | 2014-04-16 | 宁波长壁流体动力科技有限公司 | Pressure sensor test device |
| CN103884468A (en) * | 2014-03-28 | 2014-06-25 | 中国工程物理研究院总体工程研究所 | Multi-path pressure setting device of soil engineering pressure sensor |
| CN203745135U (en) * | 2014-03-28 | 2014-07-30 | 中国工程物理研究院总体工程研究所 | Multipath pressure calibration device for geotechnical pressure sensor |
| CN105738032A (en) * | 2014-12-08 | 2016-07-06 | 航天长征火箭技术有限公司 | Grain pressure sensor calibration device and calibration method |
| CN204514538U (en) * | 2015-04-22 | 2015-07-29 | 湖南省计量检测研究院 | A kind of wireless pressure data collecting instrument calibrating installation with temperature-controlling system |
| CN106706211A (en) * | 2015-11-17 | 2017-05-24 | 刘垚 | Pressure sensor calibration device and method and equipment equipped with device |
| CN105572307A (en) * | 2016-01-28 | 2016-05-11 | 河北先河环保科技股份有限公司 | Calibration tool for gas sensors and calibration method |
| CN106645587A (en) * | 2017-01-16 | 2017-05-10 | 清华大学 | Gas sensor evaluation and calibration system |
| CN206905967U (en) * | 2017-06-21 | 2018-01-19 | 无锡阿尔法精密机械制造有限公司 | A kind of pressure sensor batch demarcation frock |
| CN207556750U (en) * | 2017-12-20 | 2018-06-29 | 苏州市建筑科学研究院集团股份有限公司 | A kind of pressure-measuring system auto-calibration examines equipment |
| CN108645565A (en) * | 2018-07-17 | 2018-10-12 | 中国地震局工程力学研究所 | A kind of binary channels SERVO CONTROL dynamic pore pressure marking apparatus and scaling method |
| CN108918027A (en) * | 2018-09-25 | 2018-11-30 | 龙岩学院 | A kind of pressure sensor calibrating apparatus |
| CN209264181U (en) * | 2019-01-17 | 2019-08-16 | 北京远华天创科技有限责任公司 | A kind of digital pressure sensor aging caliberating device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238724A (en) * | 2020-01-18 | 2020-06-05 | 天水逢泰科技有限责任公司 | High-precision pressure transmitter aging test system test device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209264181U (en) | A kind of digital pressure sensor aging caliberating device | |
| CN201331406Y (en) | Intelligent pressure transmitter | |
| CN206708736U (en) | A kind of multisensor heat supply network leaks warning monitoring system | |
| CN201837418U (en) | High-precision wide-range integrated throttle device | |
| CN109870270A (en) | A kind of digital pressure sensor aging caliberating device and method | |
| CN203224283U (en) | Liquid flow field calibration device | |
| CN205426831U (en) | Water quality monitoring equipment | |
| CN201945368U (en) | Weighing sensor | |
| CN106525173B (en) | A kind of range seamless switching flow measurement device | |
| CN202748095U (en) | Liquidometer | |
| CN208635813U (en) | A kind of aggregate flush type piezoelectric transducer | |
| CN201637652U (en) | Double-electrode corrosion measuring sensor | |
| CN110715767A (en) | Intelligent multifunctional multi-display digital display pressure gauge | |
| CN102323316B (en) | High-temperature high-pressure calibration device and calibration method of pH electrode | |
| CN104165656A (en) | Ultrasonic water quality heat flow meter | |
| CN204855047U (en) | Pressure sensor | |
| CN202204545U (en) | Electromagnetic flowmeter | |
| CN215492313U (en) | Pipeline leakage detection device based on carbon fiber and optical fiber composite sensor | |
| CN101666772B (en) | Preparation method for screen printing cobalt sensor for detecting phosphate | |
| CN107830973A (en) | A kind of jack calibration device and scaling method | |
| CN221099943U (en) | Temperature and pressure integrated device for differential pressure type flowmeter and differential pressure transmitter integrated device | |
| CN111998991A (en) | Sensor for measuring liquid pressure | |
| CN207745602U (en) | A kind of hydraulic filter with temperature sensor | |
| CN201540682U (en) | Automated training device for instruments | |
| CN206421193U (en) | A kind of Environment of Reservoirs amount monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |