CN103983396B - A kind of hammer sensor - Google Patents
A kind of hammer sensor Download PDFInfo
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- CN103983396B CN103983396B CN201410218827.XA CN201410218827A CN103983396B CN 103983396 B CN103983396 B CN 103983396B CN 201410218827 A CN201410218827 A CN 201410218827A CN 103983396 B CN103983396 B CN 103983396B
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- 238000005259 measurement Methods 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 238000009530 blood pressure measurement Methods 0.000 claims description 13
- 230000005669 field effect Effects 0.000 claims description 10
- 230000001939 inductive effect Effects 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The present invention relates to sensor technical field, particularly relate to a kind of hammer sensor.Hammer sensor, including housing, wherein, is provided with oil pressure measuring device and measurement device of oil tempera in described housing.This hammer sensor is owing to being provided with oil pressure measuring device and measurement device of oil tempera simultaneously, and this hammer sensor may be used for measurement temperature and pressure value simultaneously and simple in construction, has higher certainty of measurement.Above-mentioned housing is made up of Elastic Steel, it is possible to by housing exterior walls by pressure transmission to oil pressure measuring device.Therefore oil pressure measuring device and measurement device of oil tempera can be arranged on enclosure interior, can effectively avoid because measurement apparatus is exposed to the problem that outside is easily damaged.
Description
Technical field
The present invention relates to sensor technical field, particularly relate to a kind of hammer sensor.
Background technology
In oil exploitation process, it is necessary to the parameter measurement to the oil released, measurement apparatus is generally adopted hammer sensor, and the hammer sensor of current use is arranged on fracturing unit truck or well cementation pressure break frame and surveys the oil pressure drawn up.
Oil pumping process not only needs oil pressure is measured, it is also required to obtain accurate temperature information simultaneously, but existing sensor is only capable of oil pressure is measured, cannot realize measuring oil pressure and oil temperature simultaneously, therefore when oil temperature measured by needs, need one oil temperature sensor of increase extra again, virtually can increase production cost.
It would therefore be desirable to a kind of novel hammer sensor, when not changing sensor profile, interface, it is possible to realize measuring oil pressure and oil temperature simultaneously.
Summary of the invention
It is an object of the invention to propose a kind of hammer sensor, it is possible to oil pressure and oil temperature are measured simultaneously.
For reaching this purpose, the present invention by the following technical solutions:
A kind of hammer sensor, including housing, wherein, is provided with oil pressure measuring device and measurement device of oil tempera in described housing.
As a kind of preferred version of above-mentioned hammer sensor, described oil pressure measuring device includes electric-resistance strain ga(u)ge, and described measurement device of oil tempera includes critesistor.
As a kind of preferred version of above-mentioned hammer sensor, described electric-resistance strain ga(u)ge is arranged on the bottom of housing in the way of stickup, and critesistor is arranged on housing bottom and closes on the position of electric-resistance strain ga(u)ge.
As a kind of preferred version of above-mentioned hammer sensor, described housing is made up of Elastic Steel.
A kind of preferred version of above-mentioned hammer sensor, the inside of described housing, and the position of housing bottom correspondence electric-resistance strain ga(u)ge are provided with groove structure.
As a kind of preferred version of above-mentioned hammer sensor, also include circuit board, described circuit board is provided with pressure measurement circuitry and temperature measuring circuit.
As a kind of preferred version of above-mentioned hammer sensor, described pressure measurement circuitry includes power module, bridge circuit, discharge circuit, adjustment circuit, field-effect circuits and light inductive circuit；
Power module inputs constant voltage by light inductive circuit to electric-resistance strain ga(u)ge, and passes through bridge circuit and do temperature-compensating, then passes through discharge circuit and rotates into the output of row electric current；
Wherein field-effect circuits can utilize change in voltage to carry out amplified current, can adjust the measurement scope of pressure measurement circuitry by adjusting circuit.
As a kind of preferred version of above-mentioned hammer sensor, described adjustment circuit includes zeroing circuit and adjusts full journey circuit, and described zeroing circuit is used for changing minimum current, adjusts full journey circuit to change current value when electric current is not minima.
As a kind of preferred version of above-mentioned hammer sensor, described temperature measuring circuit includes two-wire system transducer, adjusts circuit and linear compensation circuit, is used for measuring temperature within the scope of 0-80 DEG C, and corresponding output current value is positioned at 4-20mA scope.
As a kind of preferred version of above-mentioned hammer sensor, between described circuit board and housing, it is additionally provided with foam dottle pin.
The invention have the benefit that and this application provides a kind of hammer sensor, it includes oil pressure measuring device and measurement device of oil tempera, and this hammer sensor may be used for measurement temperature and pressure value simultaneously and simple in construction, has higher certainty of measurement.
Accompanying drawing explanation
Fig. 1 is the structural representation of the hammer sensor that the specific embodiment of the invention provides；
Fig. 2 is the structural representation of the pressure measurement circuitry that the specific embodiment of the invention provides；
Fig. 3 is the structural representation of the temperature measuring circuit that the specific embodiment of the invention provides.
Wherein:
1: housing；2: electric-resistance strain ga(u)ge；3: critesistor；4: groove structure；5: circuit board；6: foam dottle pin；7: end cap；8: adapter；
51: pressure measurement circuitry；52: temperature measuring circuit；
511: power module；512: bridge circuit；513: discharge circuit；514: zeroing circuit；515: field-effect circuits；516: light inductive circuit；517: adjust full journey circuit；
521: two-wire system transducer；522: temperature zeroing circuit；523: linear compensation circuit；524: filter circuit.
Detailed description of the invention
Technical scheme is further illustrated below in conjunction with accompanying drawing and by detailed description of the invention.
As it is shown in figure 1, present embodiments provide for a kind of hammer sensor, including housing 1, in this housing 1, it is provided with oil pressure measuring device and measurement device of oil tempera.Thus, oil temperature and oil pressure can be measured by this hammer sensor simultaneously.
Concrete, oil pressure measuring device includes electric-resistance strain ga(u)ge 2.Measurement device of oil tempera includes critesistor 3, it is preferred that this critesistor 3 is Pt1000.
Electric-resistance strain ga(u)ge 2 is arranged on the bottom of housing 1 in the way of stickup, and critesistor 3 is arranged on the position closing on electric-resistance strain ga(u)ge 2 bottom housing 1.As preferably, the mode that critesistor 3 is also adopted by pasting is arranged on bottom housing 1.
In hammer sensor use procedure, electric-resistance strain ga(u)ge 2 compressive deformation, from but the resistance of electric-resistance strain ga(u)ge 2 change, be eventually converted into the change of electric current by measuring conversion circuit, and then realize the measurement of oil pressure.When the temperature of housing 1 changes, the resistance of critesistor 3, also with changing, by the conversion of temperature measuring circuit, ultimately forms the change of electric current, it is achieved the measurement to oil temperature.
Above-mentioned housing 1 is made up of Elastic Steel, thus can so that pressure transmission is to electric-resistance strain ga(u)ge.
Electric-resistance strain ga(u)ge 2 and critesistor 3 are arranged on the inside of housing 1, and bottom housing 1, the position of corresponding electric-resistance strain ga(u)ge 2 is provided with groove structure 4.Electric-resistance strain ga(u)ge 2 and critesistor 3 are arranged on the inside of housing 1, both can be subject to housing 1 be protected from damaged.Groove structure 4 is set in the position of corresponding electric-resistance strain ga(u)ge 2, it is possible to reduce electric-resistance strain ga(u)ge 2 and the distance between critesistor 3 and determinand, it is possible to effectively improve certainty of measurement simultaneously.
Also include circuit board 5, described circuit board 5 is provided with pressure measurement circuitry 51 and temperature measuring circuit 52.
As preferably, being additionally provided with foam dottle pin 6 between circuit board 5 and housing 1.Circuit board 5 can be played the effect of protection.
Simultaneously hammer sensor also includes end cap 7 and adapter 8, it is simple to the protection to hammer sensor internal structure, and and connection between outer member.
Pressure measurement circuitry includes power module 511, bridge circuit 512, discharge circuit 513, adjusts circuit, field-effect circuits 515 and light inductive circuit 516.
Power module 511 inputs constant voltage by light inductive circuit 516 to electric-resistance strain ga(u)ge 2, and passes through bridge circuit 512 and do temperature-compensating, then passes through discharge circuit 513 and rotates into the output of row electric current；
Wherein field-effect circuits 515 can utilize change in voltage to carry out amplified current, can adjust the measurement scope of pressure measurement circuitry by adjusting circuit.
As preferably, adjusting circuit and include zeroing circuit 514 and adjust full journey circuit 517, zeroing circuit 514 is used for changing minimum current, adjusts full journey circuit 517 to change current value when electric current is not minima.
Above-mentioned pressure measurement circuitry has also been carried out further explanation by present embodiment:
When pressure measurement circuitry only connects power module 511, actual output voltage 5.84V between VCC to GND, actual output current is 2.28mA.After power module 511 and discharge circuit 513 connect, the 4 of LM108AH, 7 feet connect 5.84V voltage, during 2,3 foot ground connection, actual output current I reaches 2.54mA.
Above-mentioned field effect circuit 515 utilizes change in voltage to carry out amplified current I.The 4 of LM108AH, 7 feet connect 5.84V voltage, and during 2,3 foot ground connection, 6 feet connect two field effect transistor, and after carrying out voltage amplification by field-effect circuits 515, now actual output current I is 2.87mA.
Above-mentioned bridge circuit 512 is made up of 3 resistance and an adjustable resistance, reaches to change the purpose (now R9=52 ohm) of LM108AH2,3 foot both end voltage by adjusting the size of resistance.
Adjust concrete the including zeroing circuit 514 and adjust full journey 517 circuit of circuit.By adjusting the voltage that the resistance of R1 changes 2 feet of LM108AH, reach to change the purpose of minimum current I.When the resistance in bridge circuit 512 is all 10K, the minimum current I of adjustment is 4.5mA, reaches 4mA, electric current I only by the adjustable resistance adjusted in bridge circuit 512 minimum for 3.33mA.
Adjust the resistance of R9, change the maximum current I of circuit.When electric current I in circuit is minimum current I, adjusts R9 and will not change electric current I.When the electric current I in circuit is not minimum current I, adjusts R9 and can substantially reach to change the effect of electric current I.
Temperature measuring circuit 52 includes two-wire system transducer 521, temperature adjustment circuit and linear compensation circuit 523, and it is used for temperature within the scope of 0-80 DEG C, output current value 4-20mA.Wherein, temperature adjustment circuit includes temperature zeroing circuit 522 and the full journey circuit 523 of temperature tune.Having entered the certainty of measurement improving temperature measuring circuit 52, it also includes filter circuit 524.
The know-why of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explanation principles of the invention, and can not be construed to limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art need not pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes fall within protection scope of the present invention.
Claims (7)
1. a hammer sensor, including housing (1), it is characterised in that described housing is provided with oil pressure measuring device and measurement device of oil tempera in (1)；
Described oil pressure measuring device includes electric-resistance strain ga(u)ge (2), and described measurement device of oil tempera includes critesistor (3)；
Also include circuit board (5), described circuit board (5) is provided with pressure measurement circuitry (51) and temperature measuring circuit (52)；
Described pressure measurement circuitry (51) includes power module (511), bridge circuit (512), discharge circuit (513), adjusts circuit, field-effect circuits (515) and light inductive circuit (516)；
Power module (511) inputs constant voltage by light inductive circuit (516) to electric-resistance strain ga(u)ge (2), and do temperature-compensating by bridge circuit (512), then pass through discharge circuit (513) and carry out electric current output；
Wherein field-effect circuits (515) can utilize change in voltage to carry out amplified current, can adjust the measurement scope of pressure measurement circuitry (51) by adjusting circuit.
2. hammer sensor according to claim 1, it is characterized in that, described electric-resistance strain ga(u)ge (2) is arranged on the bottom of housing (1) in the way of stickup, and critesistor (3) is arranged on housing (1) bottom and closes on the position of electric-resistance strain ga(u)ge (2).
3. hammer sensor according to claim 2, it is characterised in that described housing (1) is made up of Elastic Steel.
4. hammer sensor according to claim 3, it is characterized in that, described electric-resistance strain ga(u)ge (2) and critesistor (3) are arranged on the inside of housing (1), and the position of the corresponding electric-resistance strain ga(u)ge (2) in housing (1) bottom is provided with groove structure (4).
5. hammer sensor according to claim 1, it is characterized in that, described adjustment circuit includes zeroing circuit (514) and adjusts full journey circuit (517), described zeroing circuit (514) is used for changing minimum current, adjusts full journey circuit (517) to change current value when electric current is not minima.
6. hammer sensor according to claim 1, it is characterized in that, described temperature measuring circuit (52) includes two-wire system transducer (521), adjusts circuit and linear compensation circuit (523), for measuring temperature within the scope of 0-80 DEG C, and corresponding output current value is positioned at 4-20mA scope.
7. hammer sensor according to claim 1, it is characterised in that be additionally provided with foam dottle pin (6) between described circuit board (5) and housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410218827.XA CN103983396B (en) | 2014-05-22 | 2014-05-22 | A kind of hammer sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410218827.XA CN103983396B (en) | 2014-05-22 | 2014-05-22 | A kind of hammer sensor |
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| Publication Number | Publication Date |
|---|---|
| CN103983396A CN103983396A (en) | 2014-08-13 |
| CN103983396B true CN103983396B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410218827.XA Active CN103983396B (en) | 2014-05-22 | 2014-05-22 | A kind of hammer sensor |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6943918B2 (en) * | 2019-04-16 | 2021-10-06 | 矢崎総業株式会社 | In-vehicle oil sensor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04131721A (en) * | 1990-09-21 | 1992-05-06 | Hitachi Constr Mach Co Ltd | Stress sensor |
| EP1096241A1 (en) * | 1999-11-01 | 2001-05-02 | Delphi Technologies, Inc. | Integrated pressure and temperature sensor for high pressure fluid |
| CN1760642A (en) * | 2005-10-28 | 2006-04-19 | 中国船舶重工集团公司第七一一研究所 | Temperature-pressure sensor |
| CN201149496Y (en) * | 2008-01-22 | 2008-11-12 | 南京高华科技有限公司 | Pipe type installation structure pressure temperature sensor |
| CN102435378A (en) * | 2011-10-28 | 2012-05-02 | 山东昌润科技有限公司 | Compound type temperature pressure sensor |
| CN202710242U (en) * | 2012-07-05 | 2013-01-30 | 无锡盛邦电子有限公司 | Machine oil pressure temperature sensor having high thermal response sensitivity |
| CN103808358A (en) * | 2012-11-13 | 2014-05-21 | 浙江盾安人工环境股份有限公司 | Temperature pressure integrated sensor |
-
2014
- 2014-05-22 CN CN201410218827.XA patent/CN103983396B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04131721A (en) * | 1990-09-21 | 1992-05-06 | Hitachi Constr Mach Co Ltd | Stress sensor |
| EP1096241A1 (en) * | 1999-11-01 | 2001-05-02 | Delphi Technologies, Inc. | Integrated pressure and temperature sensor for high pressure fluid |
| CN1760642A (en) * | 2005-10-28 | 2006-04-19 | 中国船舶重工集团公司第七一一研究所 | Temperature-pressure sensor |
| CN201149496Y (en) * | 2008-01-22 | 2008-11-12 | 南京高华科技有限公司 | Pipe type installation structure pressure temperature sensor |
| CN102435378A (en) * | 2011-10-28 | 2012-05-02 | 山东昌润科技有限公司 | Compound type temperature pressure sensor |
| CN202710242U (en) * | 2012-07-05 | 2013-01-30 | 无锡盛邦电子有限公司 | Machine oil pressure temperature sensor having high thermal response sensitivity |
| CN103808358A (en) * | 2012-11-13 | 2014-05-21 | 浙江盾安人工环境股份有限公司 | Temperature pressure integrated sensor |
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| CN103983396A (en) | 2014-08-13 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Hammer type sensor Effective date of registration: 20191111 Granted publication date: 20160629 Pledgee: Beijing Yizhuang International Financing Guarantee Co.,Ltd. Pledgor: BEIJING AEROSPACE YILIAN SCIENCE AND TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2019990000503 |
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Date of cancellation: 20211012 Granted publication date: 20160629 Pledgee: Beijing Yizhuang International Financing Guarantee Co.,Ltd. Pledgor: BEIJING AEROSPACE YILIAN SCIENCE AND TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2019990000503 |
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Denomination of invention: Hammer type sensor Effective date of registration: 20211012 Granted publication date: 20160629 Pledgee: Beijing Yizhuang International Financing Guarantee Co.,Ltd. Pledgor: BEIJING AEROSPACE YILIAN SCIENCE AND TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2021990000950 |
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Date of cancellation: 20220923 Granted publication date: 20160629 Pledgee: Beijing Yizhuang International Financing Guarantee Co.,Ltd. Pledgor: BEIJING AEROSPACE YILIAN SCIENCE AND TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2021990000950 |
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Denomination of invention: A hammer type sensor Effective date of registration: 20220923 Granted publication date: 20160629 Pledgee: Beijing Yizhuang International Financing Guarantee Co.,Ltd. Pledgor: BEIJING AEROSPACE YILIAN SCIENCE AND TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2022990000667 |
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Address after: Building 24, 18th Courtyard, Kechuang 13th Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing, 100176 Patentee after: Beijing Aerospace Tianhong Intelligent Equipment Technology Co.,Ltd. Address before: 100074, No. 17 Yungang West Road, Beijing, Fengtai District Patentee before: BEIJING AEROSPACE YILIAN SCIENCE AND TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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Denomination of invention: A hammer type sensor Effective date of registration: 20230919 Granted publication date: 20160629 Pledgee: Beijing Yizhuang International Financing Guarantee Co.,Ltd. Pledgor: Beijing Aerospace Tianhong Intelligent Equipment Technology Co.,Ltd. Registration number: Y2023990000460 |
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