CN106487371B - An Adaptive Interface Device Compatible with Different Pressure Sensors - Google Patents
An Adaptive Interface Device Compatible with Different Pressure Sensors Download PDFInfo
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- CN106487371B CN106487371B CN201510552231.8A CN201510552231A CN106487371B CN 106487371 B CN106487371 B CN 106487371B CN 201510552231 A CN201510552231 A CN 201510552231A CN 106487371 B CN106487371 B CN 106487371B
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Abstract
The invention belongs to aircraft guidance control technology fields, and in particular to a kind of adaptive interface device of compatible different pressures sensor.Core point of the present invention is to propose the sensor for prestoring sensor model number based on nonvolatile memory to access judgment module design scheme；Key point of the invention is matched in sensor installation printed board, signal processing circuit Analog-digital Converter module, sensor access judgment module, the adaptive interface for realizing a kind of compatible different pressures sensor solves the problems, such as signal processing circuit hardware design, software design dependent on specific pressure sensor model.Aeromerric moasurenont device is met under the premise of not changing soft and hardware, the demand of (mating) different model pressure sensor is installed.
Description
Technical field
The invention belongs to aircraft guidance control technology fields, and in particular to a kind of compatible different pressures sensor it is adaptive
Answer interface arrangement.
Background technique
Aeromerric moasurenont device is the important component of aircraft guidance control system, mainly by resonance cylinder pressure sensing
Device, signal processing circuit and software kit composition, wherein resonant vibration barrel pressure pickup is the core component of aeromerric moasurenont device, main
It is used for the atmospheric pressure that sensitive air entraining device introduces, gas signal is converted into electric signal output.Signal processing circuit acquisition pressure
The frequency signal and temperature voltage signal of force snesor output, software combination pick up calibration parameter calculate testing pressure value.
Different model resonant vibration barrel pressure pickup output temperature voltage signal is divided into 0.4V~0.8V and 4V~8V by interface
Two kinds, in the design of previous aeromerric moasurenont device, for different pressure sensor output voltage signal interfaces, signal processing circuit
Corresponding analog quantity-digital quantity Interface Design must be adjusted, corresponding software will also carry out adaptability change, and this pressure passes
The design scheme that sensor-signal processing circuit-software is coupled is unable to satisfy different temperatures voltage signal interface pressure sensing
It is maintainable to reduce aeromerric moasurenont device for the requirement of device dynamic completeness aeromerric moasurenont device.
Therefore, the adaptive interface device for needing to develop a kind of compatible different model pressure sensor, is not changing signal
Processing circuit is not changed under the premise of software, realizes that the freedom of different model pressure sensor is mating on aeromerric moasurenont device.
Summary of the invention
The technical problem to be solved by the present invention is to adapt to installation different temperatures voltage signal interface for aeromerric moasurenont device
Pressure sensor meets product development, the mating demand of production, proposes a kind of adaptively connecing for compatible different model pressure sensor
Mouth device.
In order to realize the purpose, the technical solution adopted by the present invention is that:
A kind of adaptive interface device of compatible different pressures sensor is big suitable for aircraft guidance control system
Gas measuring device, including sensor installation galley, Analog-digital Converter module, nonvolatile memory, sensor access and sentence
Disconnected four part of module；
Wherein, the X-type pressure sensing that setting is 4V~8V for temperature voltage signal interface in (1) sensor installation printed board
The jack that the Y type pressure sensor that device and temperature voltage signal interface are 0.4V~0.8V is installed；
Definition is respectively as follows: a little 1 for the jack point 1~6 that X-type pressure sensor is installed --- X-type supply input+15V point, point
2 --- X-type frequency signal output point, point 3 --- X-type temperature voltage positive signal output point, point 4 --- X-type supply input-15V
Point, point 5 --- X-type grounding point, point 6 --- X-type temperature voltage negative signal output point；
Definition is respectively as follows: point A for jack point A~F that Y type pressure sensor is installed --- Y type supply input+15V point, point
B --- Y type frequency signal output point, point C --- Y type temperature voltage positive signal output point, point D --- Y type supply input -15V
Point, point E --- Y type grounding point, point F --- Y type temperature voltage negative signal output point；
X-type pressure sensor and supply input frequency signal, the power supply output frequency signal of Y type pressure sensor are homogeneous
Together, related jack is electrically connected to each other in sensor installation printed board, specifically: point 1 and point A, point 2 and point F, point 4 and point
B, point 5 is electrically connected to each other with point C；
X-type pressure sensor is electrically being not connected to the respective temperature voltage signal output plughole of Y type pressure sensor,
Input channel corresponding with Analog-digital Converter module is connected respectively, specifically: the point 3 and 4V in Analog-digital Converter module~
8V voltage signal+input channel connection, point 6 are connect with 4V~8V voltage signal-input channel in Analog-digital Converter module,
Point E is connect with 0.4V~0.8V voltage signal+input channel in Analog-digital Converter module, point D and Analog-digital Converter mould
0.4V~0.8V voltage signal-input channel connection in block；
(2) Analog-digital Converter module is defeated to 4V~8V voltage signal input channel and 0.4V~0.8V voltage signal simultaneously
Enter channel to be converted, the sensor model number that do not install in distinguishing sensor installation printed board；
(3) calibration parameter corresponding with pressure sensor model information is stored in nonvolatile memory；
(4) the sensor access judgment module temperature electricity that compatible X-type pressure sensor and Y type pressure sensor export simultaneously
Signal is pressed, sensor access judgment module is sentenced according to the pressure sensor model information prestored in the nonvolatile memory of reading
Disconnected is X-type pressure sensor or Y type pressure sensor, selects Analog-digital Converter module to being currently installed on according to judging result
The voltage signal of the corresponding voltage signal input channel of pressure sensor in sensor installation printed board is converted.
Further, a kind of adaptive interface device of compatible different pressures sensor as described above, in which: pressure passes
Sensor calibration parameter is stored as unit of sensor independently of software, is realized simultaneous to the interface adaptive of different pressures sensor
Hold.
The beneficial effect of technical solution of the present invention is: relieving between pressure sensor-signal processing circuit-software
Coupling, realize simple, conveniently, without changing signal processing circuit hardware, without changing aeromerric moasurenont device software, reducing
Dependence of the aeromerric moasurenont device to specific model pressure sensor mitigates complete set of materials and equipment and ensures pressure, improve aeromerric moasurenont device
Maintainable aspect has important value.
Detailed description of the invention
Fig. 1, which is that the present invention is overall, realizes schematic diagram.
In figure: 1 sensor installs galley, 2 Analog-digital Converter modules, 4 nonvolatile memories, the access of 3 sensors
Judgment module.
Specific embodiment
A kind of adaptive interface of compatible different pressures sensor of the present invention is filled in the following with reference to the drawings and specific embodiments
It sets and is described in detail.
As shown in Figure 1, aeromerric moasurenont device of the technical solution of the present invention suitable for aircraft guidance control system, including
Sensor installs galley 1, Analog-digital Converter module 2, nonvolatile memory 4, sensor and accesses judgment module 3 four
Point；
Wherein, the X-type pressure sensor that setting is 4V~8V for temperature voltage signal interface in sensor installation printed board 1
With the jack for the Y type pressure sensor installation that temperature voltage signal interface is 0.4V~0.8V；
Definition is respectively as follows: a little 1 for the jack point 1~6 that X-type pressure sensor is installed --- X-type supply input+15V point, point
2 --- X-type frequency signal output point, point 3 --- X-type temperature voltage positive signal output point, point 4 --- X-type supply input-15V
Point, point 5 --- X-type grounding point, point 6 --- X-type temperature voltage negative signal output point；
Definition is respectively as follows: point A for jack point A~F that Y type pressure sensor is installed --- Y type supply input+15V point, point
B --- Y type frequency signal output point, point C --- Y type temperature voltage positive signal output point, point D --- Y type supply input -15V
Point, point E --- Y type grounding point, point F --- Y type temperature voltage negative signal output point；
X-type pressure sensor and supply input frequency signal, the power supply output frequency signal of Y type pressure sensor are homogeneous
Together, related jack is electrically connected to each other in sensor installation printed board 1, specifically: point 1 and point A, point 2 and point F, point 4 and point
B, point 5 is electrically connected to each other with point C；
X-type pressure sensor is electrically being not connected to the respective temperature voltage signal output plughole of Y type pressure sensor,
Input channel corresponding with Analog-digital Converter module 4 is connected respectively, specifically: the point 3 and 4V in Analog-digital Converter module 4
~8V voltage signal+input channel connection, point 6 connect with 4V~8V voltage signal in Analog-digital Converter module 4-input channel
It connects, point E is connect with 0.4V~0.8V voltage signal+input channel in Analog-digital Converter module 3, and point D and simulation numeral turn
Change the mold 0.4V~0.8V voltage signal-input channel connection in block 3；
(2) Analog-digital Converter module 2 is simultaneously to 4V~8V voltage signal input channel and 0.4V~0.8V voltage signal
Input channel is converted, the sensor model number that do not install in distinguishing sensor installation printed board 1；
(3) calibration parameter corresponding with pressure sensor model information is stored in nonvolatile memory 4；In the present embodiment
In, pressure sensor calibration parameter is stored as unit of sensor independently of software, realizes the interface to different pressures sensor
It is adaptive compatible.
(4) sensor access judgment module 3 temperature that compatible X-type pressure sensor and Y type pressure sensor export simultaneously
Voltage signal, sensor accesses judgment module 3 to be believed according to the pressure sensor model prestored in the nonvolatile memory of reading
Breath judgement is X-type pressure sensor or Y type pressure sensor, selects Analog-digital Converter module 2 to working as according to judging result
Before the voltage signal of the corresponding voltage signal input channel of pressure sensor that is mounted in sensor installation printed board 1 turned
It changes.
Claims (2)
1. a kind of adaptive interface device of compatible different pressures sensor, the atmosphere suitable for aircraft guidance control system
Measuring device, it is characterised in that:
Judgment module four is accessed including sensor installation printing plate, Analog-digital Converter module, nonvolatile memory, sensor
Part；
Wherein, (1) sensor installation printing plate on setting for temperature voltage signal interface be 4V~8V X-type pressure sensor and
The jack that the Y type pressure sensor that temperature voltage signal interface is 0.4V~0.8V is installed；
Definition is respectively as follows: a little 1 for the jack point 1~6 that X-type pressure sensor is installed --- X-type supply input+15V point, point
2 --- X-type frequency signal output point, point 3 --- X-type temperature voltage positive signal output point, point 4 --- X-type supply input-15V
Point, point 5 --- X-type grounding point, point 6 --- X-type temperature voltage negative signal output point；
Definition is respectively as follows: point A for jack point A~F that Y type pressure sensor is installed --- Y type supply input+15V point, point
B --- Y type frequency signal output point, point C --- Y type temperature voltage positive signal output point, point D --- Y type supply input -15V
Point, point E --- Y type grounding point, point F --- Y type temperature voltage negative signal output point；
X-type pressure sensor and supply input frequency signal, the power supply output frequency signal of Y type pressure sensor are all the same,
Related jack is electrically connected to each other on sensor installation printing plate, specifically: point 1 and point A, point 2 and point F, point 4 and point B, point 5
It is electrically connected to each other with point C；
X-type pressure sensor is electrically being not connected to the respective temperature voltage signal output plughole of Y type pressure sensor, respectively
Input channel corresponding with Analog-digital Converter module is connected, specifically: point 3 and 4V~8V electricity in Analog-digital Converter module
Signal+input channel connection is pressed, point 6 is connect with 4V~8V voltage signal-input channel in Analog-digital Converter module, point E
It is connect with 0.4V~0.8V voltage signal+input channel in Analog-digital Converter module, in point D and Analog-digital Converter module
0.4V~0.8V voltage signal-input channel connection；
(2) Analog-digital Converter module simultaneously inputs 4V~8V voltage signal input channel and 0.4V~0.8V voltage signal logical
Road is converted, the sensor model number that do not install on distinguishing sensor installation printing plate；
(3) calibration parameter corresponding with pressure sensor model information is stored in nonvolatile memory；
(4) sensor access judgment module simultaneously believe by compatible X-type pressure sensor and the temperature voltage of Y type pressure sensor output
Number, sensor, which accesses judgment module according to the pressure sensor model information judgement prestored in the nonvolatile memory of reading, is
X-type pressure sensor or Y type pressure sensor, according to judging result select Analog-digital Converter module to be presently installed at pass
The voltage signal of the corresponding voltage signal input channel of pressure sensor on sensor installation printing plate is converted.
2. a kind of adaptive interface device of compatible different pressures sensor as described in claim 1, it is characterised in that: pressure
Pick up calibration parameter is stored as unit of sensor independently of software, is realized simultaneous to the interface adaptive of different pressures sensor
Hold.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510552231.8A CN106487371B (en) | 2015-09-01 | 2015-09-01 | An Adaptive Interface Device Compatible with Different Pressure Sensors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510552231.8A CN106487371B (en) | 2015-09-01 | 2015-09-01 | An Adaptive Interface Device Compatible with Different Pressure Sensors |
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| CN106487371A CN106487371A (en) | 2017-03-08 |
| CN106487371B true CN106487371B (en) | 2019-05-10 |
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| JP2008071551A (en) * | 2006-09-13 | 2008-03-27 | Nichifu Co Ltd | Crimp device system, and pneumatic monitor used for it |
| CN102472678B (en) * | 2009-07-24 | 2014-04-23 | 罗姆股份有限公司 | Semiconductor pressure sensor, pressure sensor device, electronic device, and manufacturing method of semiconductor pressure sensor |
| CN103500770B (en) * | 2013-10-23 | 2016-08-24 | 中北大学 | A kind of infrared gas sensor of many gas detecting |
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