CN106969876A - A kind of dynamic total pressure probe for carrying temperature adjustmemt - Google Patents
A kind of dynamic total pressure probe for carrying temperature adjustmemt Download PDFInfo
- Publication number
- CN106969876A CN106969876A CN201710198363.4A CN201710198363A CN106969876A CN 106969876 A CN106969876 A CN 106969876A CN 201710198363 A CN201710198363 A CN 201710198363A CN 106969876 A CN106969876 A CN 106969876A
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- Prior art keywords
- probe
- pressure
- temperature
- temperature sensor
- pole
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0092—Pressure sensor associated with other sensors, e.g. for measuring acceleration or temperature
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/04—Means for compensating for effects of changes of temperature, i.e. other than electric compensation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L2019/0053—Pressure sensors associated with other sensors, e.g. for measuring acceleration, temperature
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention belongs to temperature, pressure test technical field, a kind of dynamic total pressure probe for carrying temperature adjustmemt is disclosed.The probe includes end of probe and pole (1), pressure port (2) and temperature sensor fixing hole (3) are provided with the end of probe face of cylinder, dynamic pressure transducer is arranged in end of probe close to the position of pressure port (2), temperature sensor detector probe is arranged on temperature sensor fixing hole (3), and temperature sensor wires (4) and pressure sensor lead (5) are drawn inside pole (1).Existing pressure probe is compared with temperature probe, the present invention is by demarcation, the temperature that can measure to flow simultaneously, stagnation pressure parameter, because combination probe size is smaller compared to conventional probe, the influence of stream field is effectively reduced, while temperature measurement result amendment total pressure measurement can also be utilized, the accuracy of measurement result is improved.
Description
Technical field
The invention belongs to pressure and temp technical field of measurement and test, it is related to a kind of dynamic total pressure probe for carrying temperature adjustmemt, this
Invention can measure the temperature and dynamic stagnation pressure parameter of fluid simultaneously, be repaiied while can also enter trip temperature to total pressure measurement result
Just.
Background technology
Temperature and pressure is two important parameters in flow field.Pressure probe, so that its is simple in construction, durable, be easy to behaviour
As the advantages of be widely used in flow field survey, and thermocouple, thermal resistance are then the technical ways of temperature survey.However, passing
The pressure probe or temperature probe of system can only stream field carry out the measurement of single parameter, the measurement of multi-parameter relies primarily on a variety of
Used while probe.Aero-engine internal structure is complicated, and internal rotor and turns the/axially and radially space of quiet
Very narrow, especially many probes of use of probe produce influence using inevitably stream field simultaneously, result in blockage
Phenomenon, influences measurement accuracy.
Sensor is typically arranged on end of probe by the frequency response in the measurement process of dynamic pressure in order to ensure sensor, away from
Closer from tested flow field, when flow field temperature change is violent, temperature drift, influence measurement knot may occur for pressure sensor
The accuracy of fruit.Therefore, measuring multiple parameters and temperature adjustmemt can be taken into account by lacking in current scientific research and practical engineering application
Dynamic pressure probe technique.
The content of the invention
The present invention solves the technical problem of：It can be taken into account for lacking in current scientific research and practical engineering application
The dynamic pressure probe technique of measuring multiple parameters and temperature adjustmemt, flow field temperature and dynamic stagnation pressure are obtained using combination probe simultaneously
Etc. parameter, the adverse effect that multiple probe stream fields are caused is reduced, amendment temperature is improved and surveyed to the adverse effect of pressure sensor
Measure the accuracy of result.
The present invention technical solution be：
The present invention includes end of probe, pole (1), and end of probe includes pressure port (2) and temperature sensor fixing hole
(3).Temperature sensor wires (4) and pressure sensor lead (5) are drawn inside pole (1).
Further, probe pole (1) is cylinder columnar hollow structure, and pole (1) diameter selects 4 to 10 millimeters, pole (1)
Internal diameter is smaller than external diameter 1 millimeter.
Further, pressure port (2) and temperature sensor fixing hole (3) are in the same size, 0.1 to 5 millimeters of aperture, and holes is located at
The same circumferential position in the end of probe face of cylinder, holes circle center distance is 1.2 to 1.5 times of apertures, and pressure port (2) can be in TEMP
Device mounting hole (3) either above or below.
Further, temperature sensor detector probe is arranged on temperature sensor fixing hole (3), and pressure sensor, which is arranged on, to be visited
Close to the position of pressure port (2) in needle section.
Further, temperature sensor selection thermocouple or thermal resistance.
The beneficial effects of the invention are as follows：Influence not only to being tested flow field is smaller, and the stagnation temperature stagnation pressure in flow field can be obtained simultaneously
Parameter, and temperature adjustmemt can be carried out to dynamic pressure measurement, improve the accuracy of measurement result.
Brief description of the drawings
Fig. 1 is a kind of dynamic total pressure probe schematic diagram for carrying temperature adjustmemt.
Wherein, 1- probes pole, 2- pressure ports, 3- temperature sensor fixing holes, 4- temperature sensor wires, 5- pressure is passed
Sensor lead.
Embodiment
The present invention will be described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the present invention includes end of probe, pole (1), end of probe includes pressure port (2) and TEMP
Device mounting hole (3).Temperature sensor wires (4) and pressure sensor lead (5) are drawn inside pole (1).
Probe pole (1) is cylinder columnar hollow structure, and pole (1) diameter selects 4 millimeters, and pole (1) internal diameter compares external diameter
It is small 1 millimeter.
Pressure port (2) and temperature sensor fixing hole (3) are in the same size, 0.4 millimeter of aperture, and holes is justified positioned at end of probe
The same circumferential position of cylinder, holes circle center distance is 1.2 apertures, and two position of mounting hole are interchangeable.
Temperature sensor detector probe is arranged on temperature sensor fixing hole (3), and pressure sensor is arranged on end of probe
The interior position close to pressure port (2).
Temperature sensor selects thermocouple.
A kind of dynamic total pressure probe for carrying temperature adjustmemt introduced in the embodiment of the present invention, is demarcated by calibration, can be with
Obtain nominal data.When practical flow field is measured, pressure sensor voltage signal can be obtained by the lead of pressure sensor, led to
Excess temperature sensor lead can obtain the voltage signal of temperature sensor, using the nominal data of acquisition, carry out data processing,
The steady state informations such as the temperature in flow field, dynamic stagnation pressure can be obtained, while temperature adjustmemt can be carried out to dynamic pressure measurement.
Claims (5)
1. a kind of dynamic total pressure probe for carrying temperature adjustmemt, it is characterised in that:Include end of probe, pole (1), end of probe
Comprising pressure port (2) and temperature sensor fixing hole (3), temperature sensor wires (4) and pressure sensor lead (5) are by pole
(1) it is internal to draw.
2. according to claim 1, a kind of dynamic total pressure probe for carrying temperature adjustmemt, it is characterised in that:Probe pole (1) is circle
Post columnar hollow structure, pole (1) diameter selects 4 to 10 millimeters, and pole (1) internal diameter is smaller than external diameter 1 millimeter.
3. according to claim 1, a kind of dynamic total pressure probe for carrying temperature adjustmemt, it is characterised in that：Pressure port (2) and temperature
Sensor mounting hole (3) is in the same size, 0.1 to 5 millimeters of aperture, and holes is located at the same circumferential position in the end of probe face of cylinder, two
Hole circle center distance is 1.2 to 1.5 times of apertures, and pressure port (2) can be in temperature sensor fixing hole (3) either above or below.
4. according to claim 1, a kind of dynamic total pressure probe for carrying temperature adjustmemt, it is characterised in that：Temperature sensor is felt
Portion is arranged on temperature sensor fixing hole (3), and pressure sensor is arranged in end of probe close to the position of pressure port (2).
5. according to claim 1, a kind of dynamic total pressure probe for carrying temperature adjustmemt, it is characterised in that：Temperature sensor is selected
Thermocouple or thermal resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710198363.4A CN106969876B (en) | 2017-03-29 | 2017-03-29 | Dynamic total pressure probe with temperature correction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710198363.4A CN106969876B (en) | 2017-03-29 | 2017-03-29 | Dynamic total pressure probe with temperature correction function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106969876A true CN106969876A (en) | 2017-07-21 |
| CN106969876B CN106969876B (en) | 2020-09-25 |
Family
ID=59335699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710198363.4A Active CN106969876B (en) | 2017-03-29 | 2017-03-29 | Dynamic total pressure probe with temperature correction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106969876B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375707A (en) * | 2019-08-23 | 2019-10-25 | 辽宁有色基础工程公司 | The system and method for remote real time monitoring Cave Temple top plate Dangerous Rock Body deformation |
| CN111366296A (en) * | 2020-05-07 | 2020-07-03 | 北京航空航天大学 | Steady-state pressure probe for reducing support rod interference by utilizing plasma jet |
| KR102360197B1 (en) * | 2020-08-07 | 2022-02-08 | 국방과학연구소 | Total pressure measuring probe |
Citations (7)
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|---|---|---|---|---|
| GB1333499A (en) * | 1970-12-14 | 1973-10-10 | Proton Ag | Sensing devices |
| GB2064726B (en) * | 1979-11-26 | 1983-06-02 | United Technologies Corp | Temperature or pressure responsive valve |
| CN101788313A (en) * | 2010-03-23 | 2010-07-28 | 上海交通大学 | High-frequency response fluid transient flow meter |
| CN201662459U (en) * | 2009-09-07 | 2010-12-01 | 天津空中代码工程应用软件开发有限公司 | Combined measuring tool for flow field pressure and speed |
| CN203053472U (en) * | 2012-09-18 | 2013-07-10 | 天津空中代码工程应用软件开发有限公司 | Tool for measuring pressure and velocity of eddy flow field |
| CN204373690U (en) * | 2015-01-13 | 2015-06-03 | 西安远方航空技术发展总公司 | A kind of stagnation temperature total pressure measure apparatus |
| CN106483330A (en) * | 2016-12-07 | 2017-03-08 | 中南大学 | One kind is based on reflective silk thread attitude angle visual identity two-D wind speed wind direction method of testing |
-
2017
- 2017-03-29 CN CN201710198363.4A patent/CN106969876B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1333499A (en) * | 1970-12-14 | 1973-10-10 | Proton Ag | Sensing devices |
| GB2064726B (en) * | 1979-11-26 | 1983-06-02 | United Technologies Corp | Temperature or pressure responsive valve |
| CN201662459U (en) * | 2009-09-07 | 2010-12-01 | 天津空中代码工程应用软件开发有限公司 | Combined measuring tool for flow field pressure and speed |
| CN101788313A (en) * | 2010-03-23 | 2010-07-28 | 上海交通大学 | High-frequency response fluid transient flow meter |
| CN203053472U (en) * | 2012-09-18 | 2013-07-10 | 天津空中代码工程应用软件开发有限公司 | Tool for measuring pressure and velocity of eddy flow field |
| CN204373690U (en) * | 2015-01-13 | 2015-06-03 | 西安远方航空技术发展总公司 | A kind of stagnation temperature total pressure measure apparatus |
| CN106483330A (en) * | 2016-12-07 | 2017-03-08 | 中南大学 | One kind is based on reflective silk thread attitude angle visual identity two-D wind speed wind direction method of testing |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375707A (en) * | 2019-08-23 | 2019-10-25 | 辽宁有色基础工程公司 | The system and method for remote real time monitoring Cave Temple top plate Dangerous Rock Body deformation |
| CN110375707B (en) * | 2019-08-23 | 2021-07-02 | 辽宁有色基础工程有限公司 | System and method for remotely monitoring dangerous rock body deformation of top plate of stone cave temple in real time |
| CN111366296A (en) * | 2020-05-07 | 2020-07-03 | 北京航空航天大学 | Steady-state pressure probe for reducing support rod interference by utilizing plasma jet |
| KR102360197B1 (en) * | 2020-08-07 | 2022-02-08 | 국방과학연구소 | Total pressure measuring probe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106969876B (en) | 2020-09-25 |
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