CN106552681A - Multichannel low pressure test chamber calibrator (-ter) unit - Google Patents
Multichannel low pressure test chamber calibrator (-ter) unit Download PDFInfo
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- CN106552681A CN106552681A CN201510622700.9A CN201510622700A CN106552681A CN 106552681 A CN106552681 A CN 106552681A CN 201510622700 A CN201510622700 A CN 201510622700A CN 106552681 A CN106552681 A CN 106552681A
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- test chamber
- low pressure
- pressure test
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- calibrator
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Abstract
The present invention provides a kind of multichannel low pressure test chamber calibrator (-ter) unit, including：N number of pressure transducer, for obtaining the detected pressure value in corresponding N number of tested low pressure test chamber respectively, wherein, N is the integer more than 1；Data processing equipment, obtains the detected pressure value in corresponding tested low pressure test chamber for controlling the corresponding pressure transducer of gating；The parallel calibration of the industrial and military low pressure test chamber of multiple stage can be launched simultaneously, testing efficiency is effectively improved.
Description
Technical field
The present invention relates to pressure calibration field tests, more particularly to a kind of multichannel low pressure test chamber
Calibrator (-ter) unit.
Background technology
Low pressure test chamber is widely used in the product of industrial, military, aerospace field and weapon dress
Standby test.Its objective is to determine that can industrial products and military hardware tolerate low pressure under normal temperature condition
Environment, the normal work under hypobaric, and the fast-changing ability of tolerance air pressure.It is right
In military equipment, it is adaptable to the equipment of high hypo area storage/work；Suitable for aircraft be pressurized or
The equipment for transporting in unpressurized bay or working, to determine the failure of the equipment appearance being exposed under the environment
Whether its platform can be damaged or cause personnel to injure, and aircraft exterior hangs winged equipment etc..It is determined that first
The part and material ability that potted component tolerance draught head is not destroyed at low pressure, determines low pressure pair
The impact of element manipulation characteristic.Therefore, the accurate of low-atmospheric pressure test is carried out in order to ensure product and equipment
And reliability, need to carry out periodic calibration to low pressure test chamber.Low pressure test chamber mostly is large-scale examination
Equipment is tested, is not easy to carry, so needing to carry out field calibration.Existing calibrator (-ter) unit cannot meet
The demand of multiple stage proof box parallel calibration.
The content of the invention
The brief overview with regard to the present invention is given below, to provide some sides with regard to the present invention
The basic comprehension in face.It should be appreciated that this general introduction is not the exhaustive general introduction with regard to the present invention.It
It is not intended to determine the crucial or pith of the present invention, nor the model of the intended limitation present invention
Enclose.Its purpose only provides some concepts in simplified form, more detailed in this, as what is discussed after a while
The preamble of thin description.
To solve the above problems, the present invention proposes a kind of multichannel low pressure test chamber calibrator (-ter) unit.
A kind of multichannel low pressure test chamber calibrator (-ter) unit, including：
N number of pressure transducer, for being obtained in corresponding N number of tested low pressure test chamber respectively
Detected pressure value, wherein, N is the integer more than 1；
Data processing equipment, obtains corresponding tested low pressure for controlling the corresponding pressure transducer of gating
Detected pressure value in proof box.
The multichannel low pressure test chamber calibrator (-ter) unit that the present invention is provided, can launch multiple stage industry simultaneously
With the parallel calibration with military low pressure test chamber, testing efficiency is effectively improved.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be right
Needed for embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that,
Drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art
For, on the premise of not paying creative work, can be attached to obtain others according to these accompanying drawings
Figure.
A kind of embodiment of multichannel low pressure test chamber calibrator (-ter) unit that Fig. 1 is provided for the present invention
Structural representation.
Multichannel second embodiment of low pressure test chamber calibrator (-ter) unit that Fig. 2 is provided for the present invention
Structural representation.
Specific embodiment
With reference to the accompanying drawings illustrating embodiments of the invention.In an accompanying drawing or a kind of real of the present invention
The element and feature applied described in mode can be with one or more other accompanying drawings or embodiment
In the element that illustrates and feature combine.It should be noted that in order to understand purpose, save in accompanying drawing and explanation
The expression of unrelated to the invention, part known to persons of ordinary skill in the art and process is omited and has retouched
State.
With reference to Fig. 1, the present embodiment provides a kind of multichannel low pressure test chamber calibrator (-ter) unit, including：
N number of pressure transducer 101, for obtaining corresponding N number of tested low pressure test chamber respectively
Detected pressure value in 102, wherein, N is the integer more than 1；
Data processing equipment 103, gates corresponding pressure transducer 101 for control and obtains accordingly quilt
The detected pressure value surveyed in low pressure test chamber 102.
Specifically, pressure transducer 101 is carried out gas circuit with tested low pressure test chamber 102 to be connected,
Data processing equipment 103 gates the low-atmospheric pressure test that the measurement of corresponding pressure transducer 101 is attached thereto
The detected pressure value of case 102, pressure transducer using high accuracy, high stability, pressure element and
A/D changes the silicon resonance pressure sensor of one, due to low sometimes for carrying out under high/low temperature condition
Air pressure composite test, so selected pressure transducer has high-low temperature resistant design protection.
Data processing equipment 103, including C151 microprocessors, A/D converter, D/A converter,
The hardware such as programmable amplifier, crystal oscillator and a reference source.It is main to be responsible for carrying out people's machine information friendship with operator
Change, the signal that pressure transducer is exported is carried out the process of data acquisition and processing (DAP) circuit.
Further, with reference to Fig. 2, multichannel low pressure test chamber calibrator (-ter) unit also includes power supply
104, for being that pressure transducer 101 and data processing equipment 103 are powered, as a kind of preferred
Embodiment, power supply 104 adopt linear DC power supply, with low ripple, design capacity be big, excessively stream
The advantages of protection, short-circuit protection, overtemperature protection, overvoltage protection.
Further, multichannel low pressure test chamber calibrator (-ter) unit also includes display device 105, uses
In the detected pressure value is shown, can pass through inside display device 105 serial ports or bus mouth easily with
103 connecting communication of data processing equipment.
As a kind of optional embodiment, if to be provided with pressure defeated for tested low pressure test chamber 102
Export, then pressure transducer is connected with the pressure output on the tested low pressure test chamber by pipeline
Connect.
As a kind of optional embodiment, if no pressure is defeated on tested low pressure test chamber 102
Outlet, is sealing structure, then pressure transducer 101 is tried with tested low pressure by air pressure adpting flange
Tryoff 102 connects.
As a kind of optional embodiment, if 101 no pressure hickey of pressure transducer,
Or tested low pressure test chamber 102 both no pressure output and cannot install air pressure adpting flange,
Then pressure transducer 101 is placed in tested low pressure test chamber 102, by output signal line and quilt
The signal plug connection of low pressure test chamber 102 is surveyed, data processing equipment 103 is connected with signal plug.
The multichannel low pressure test chamber calibrator (-ter) unit that the present invention is provided, can carry out multiple stage industry simultaneously
With the parallel calibration with military low pressure test chamber, testing efficiency is effectively increased.Meet low pressure
The needs of the Metrology Support of testing equipment.
Although the present invention and its advantage has been described in detail it should be appreciated that without departing from by appended
The spirit and scope of the present invention that limited of claim in the case of can carry out various changes, replace
Generation and conversion.And, scope of the present application is not limited only to the process described by description, equipment, handss
Section, the specific embodiment of method and steps.One of ordinary skilled in the art is from disclosure of the invention
Content will readily appreciate that, can be basic to corresponding embodiment described herein using performing according to the present invention
Identical function obtains result, the existing and in the future to be developed mistake essentially identical with which
Journey, equipment, means, method or step.Therefore, appended claim is intended to their scope
It is interior including such process, equipment, means, method or step.
Claims (6)
1. a kind of multichannel low pressure test chamber calibrator (-ter) unit, it is characterised in that include：
N number of pressure transducer, for being obtained in corresponding N number of tested low pressure test chamber respectively
Detected pressure value, wherein, N is the integer more than 1；
Data processing equipment, obtains corresponding tested low pressure for controlling the corresponding pressure transducer of gating
Detected pressure value in proof box.
2. multichannel low pressure test chamber calibrator (-ter) unit according to claim 1, its feature
It is that the multichannel low pressure test chamber calibrator (-ter) unit also includes power supply, for for the pressure
Sensor and the data processing equipment are powered.
3. multichannel low pressure test chamber calibrator (-ter) unit according to claim 1, its feature
It is that the multichannel low pressure test chamber calibrator (-ter) unit also includes display device, for showing
State detected pressure value.
4. multichannel low pressure test chamber calibrator (-ter) unit according to claim 1, its feature
It is that the pressure transducer is by the pressure output on pipeline and the tested low pressure test chamber
Connection.
5. multichannel low pressure test chamber calibrator (-ter) unit according to claim 1, its feature
It is that the pressure transducer is connected with the tested low pressure test chamber by air pressure adpting flange.
6. multichannel low pressure test chamber calibrator (-ter) unit according to claim 1, its feature
Be that the pressure transducer is placed in the tested low pressure test chamber, by output signal line with
The signal plug connection of the tested low pressure test chamber, the data processing equipment are inserted with the signal
Seat connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510622700.9A CN106552681A (en) | 2015-09-25 | 2015-09-25 | Multichannel low pressure test chamber calibrator (-ter) unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510622700.9A CN106552681A (en) | 2015-09-25 | 2015-09-25 | Multichannel low pressure test chamber calibrator (-ter) unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106552681A true CN106552681A (en) | 2017-04-05 |
Family
ID=58414767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510622700.9A Pending CN106552681A (en) | 2015-09-25 | 2015-09-25 | Multichannel low pressure test chamber calibrator (-ter) unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106552681A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515379A (en) * | 2017-07-28 | 2017-12-26 | 歌尔股份有限公司 | The method of inspection of combined high low temperature low air pressure testing chamber test mass |
| CN110726509A (en) * | 2018-07-17 | 2020-01-24 | 北京振兴计量测试研究所 | Pressure sensor calibrating device |
| CN114324046A (en) * | 2020-09-30 | 2022-04-12 | 北京振兴计量测试研究所 | Low-pressure box calibrating device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1595088A (en) * | 2003-07-21 | 2005-03-16 | 陕西帅克传感仪器制造有限公司 | Full-automatic accurate pressure testing control instrument |
| CN105403348A (en) * | 2015-10-29 | 2016-03-16 | 中国空气动力研究与发展中心设备设计及测试技术研究所 | Programmable high-integration multichannel pressure test device |
-
2015
- 2015-09-25 CN CN201510622700.9A patent/CN106552681A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1595088A (en) * | 2003-07-21 | 2005-03-16 | 陕西帅克传感仪器制造有限公司 | Full-automatic accurate pressure testing control instrument |
| CN105403348A (en) * | 2015-10-29 | 2016-03-16 | 中国空气动力研究与发展中心设备设计及测试技术研究所 | Programmable high-integration multichannel pressure test device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515379A (en) * | 2017-07-28 | 2017-12-26 | 歌尔股份有限公司 | The method of inspection of combined high low temperature low air pressure testing chamber test mass |
| CN107515379B (en) * | 2017-07-28 | 2020-03-27 | 歌尔股份有限公司 | Method for testing quality of high-low temperature low-pressure test chamber |
| CN110726509A (en) * | 2018-07-17 | 2020-01-24 | 北京振兴计量测试研究所 | Pressure sensor calibrating device |
| CN114324046A (en) * | 2020-09-30 | 2022-04-12 | 北京振兴计量测试研究所 | Low-pressure box calibrating device |
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Application publication date: 20170405 |
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| RJ01 | Rejection of invention patent application after publication |