CN109297523A - A kind of absolute fix sensor detecting system - Google Patents
A kind of absolute fix sensor detecting system Download PDFInfo
- Publication number
- CN109297523A CN109297523A CN201811183275.8A CN201811183275A CN109297523A CN 109297523 A CN109297523 A CN 109297523A CN 201811183275 A CN201811183275 A CN 201811183275A CN 109297523 A CN109297523 A CN 109297523A
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- China
- Prior art keywords
- test coil
- absolute fix
- sensor
- drive unit
- fix sensor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The invention discloses a kind of absolute fix sensor detecting systems comprising test coil, host computer and, with the test coil drive unit that is connected of test coil；Wherein, the test coil changes for simulaed inductance；The test coil drive unit, for driving the test coil on-off；The host computer, for handling the signal of absolute fix sensor.The invention has the benefit that the shortcomings that detection system needs to build larger volume, higher cost and can only carry out low-speed detection equipment when by the way of host computer and inductance analogy device closed-loop control, overcoming for sensor detection；The detection system can convenient and fast simulaed inductance changing environment, inductance pace of change and changing pattern are controlled according to need for autogenic, the inductance variation of fair speed can be simulated, and then reaches convenient, multi-mode the reliability test of absolute fix sensor.
Description
Technical field
The present invention relates to the technical field of sensor detecting system, in particular to a kind of absolute fix sensor detection system
System.
Background technique
Magnetic suspension train common at present needs to pass using relative position in the track operation for being suspended in long stator structure
Sensor detects the relative position of train and long stator structure, but there are cumulative errors for the sensor, therefore, in route certain distance
The mark plate for needing to be disposed with specific coding expression, the information of distinguishing mark plate is carried out by using absolute fix sensor, is recorded
The traveling mileage of train, and position correction is carried out to the sensor for detecting train relative position.To guarantee that sensor is reliable
Correct work, needs special equipment and detects to sensor.It is at present that construction has for the detection method of such sensor
The testing stand of rail structure drives sensor or mark plate movement to be detected by motor.But this scheme considers testing stand
The factors such as cost, size, parameters of operating part and safety can only carry out the test under lower movement velocity, can not carry out sensor
The detection of the higher speed of service.
Therefore, how a kind of method that can be switched by more inductance coils by certain speed is provided, is solved to absolutely fixed
The problem of when level sensor is detected；It can save sensor actual application environment by simulaed inductance changing environment and build
Required cost；Be able to carry out function, the performance test of absolute fix sensor, improve sensor detection efficiency, can simulate compared with
The absolute fix sensor detecting system of the measurement of lower absolute fix sensor is that those skilled in the art need at present at high speed
The important technological problems of solution.
Summary of the invention
The object of the present invention is to provide a kind of absolute fix sensor detecting system, the absolute fix sensor detecting systems
Accurately and efficiently magnetic-levitation train absolute fix sensor function, Performance And Reliability can be detected.
In order to solve the above technical problems, the present invention provides a kind of absolute fix sensor detecting system comprising p-wire
Circle, host computer and, with the test coil drive unit that is connected of test coil；Wherein,
The test coil changes for simulaed inductance；
The test coil drive unit, for driving the test coil on-off；
The host computer, for handling the signal of absolute fix sensor.
Optionally, the test coil drive unit is shift register.
Optionally, the test coil drive unit is steering logic array.
Optionally, the steering logic array is analog switch array and/or FPGA.
Optionally, the host computer is also connected with the test coil drive unit, for the test coil to be arranged
On-off frequency and sequence realize the closed-loop control of sensor detection.
Another program of the invention provides a kind of absolute fix sensor detecting system comprising test coil, host computer,
The absolute fix sensor that is connected with the host computer and, the test coil drive unit being connected with the test coil；Its
In,
The test coil changes for simulaed inductance；
The test coil drive unit, for driving the test coil on-off；
The absolute fix sensor, for detecting the change of inductance caused by the test coil on-off；
The host computer, for handling the signal of the absolute fix sensor.
Optionally, the absolute fix sensor is U-type groove structure, and the both ends of the U-type groove structure are respectively sensor
Transmitting coil and sensor receiving coil.
Optionally, it is described test coil drive unit and test coil be set to the U-type groove structure middle part, and with it is described
Sensor emission coil and the sensor receiving coil are parallel.
Relatively above-mentioned background technique, a kind of absolute fix sensor detecting system provided by the present invention, with following
It is examined the utility model has the advantages that the detection system by the way of host computer and inductance analogy device closed-loop control, overcomes for sensor
The shortcomings that needing to build larger volume, higher cost when survey and low-speed detection equipment can only be carried out；The detection system can be convenient
Simulaed inductance changing environment, inductance pace of change and changing pattern are controlled according to need for autogenic, fair speed can be simulated
Inductance variation, and then reach convenient, multi-mode the reliability test of absolute fix sensor.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural representation of absolute fix sensor detecting system provided by a kind of specific embodiment of the present invention
Figure；
Fig. 2 is the layout of absolute fix sensor detecting system provided by a kind of specific embodiment of the present invention.
In figure, 1- sensor emission coil；2- sensor receiving coil；3- tests coil drive unit and test coil；
4- host computer.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Core of the invention is to provide a kind of absolute fix sensor detecting system, which can pass through more inductance
The method that coil presses certain speed switching, when solving the problems, such as to detect absolute fix sensor；The detection system can
By simulaed inductance changing environment, saves sensor actual application environment and build required cost；The detection system is able to carry out absolutely
Function, performance test to alignment sensor improve sensor detection efficiency, can simulate absolute fix under fair speed and sense
The measurement of device.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Fig. 1 to Fig. 2 is please referred to, Fig. 1 is absolute fix sensor detection provided by a kind of specific embodiment of the present invention
The structural schematic diagram of system；Fig. 2 is absolute fix sensor detecting system provided by a kind of specific embodiment of the present invention
Layout.
In a specific embodiment, absolute fix sensor detecting system provided by the present invention comprising test coil,
Host computer 4 and, with the test coil drive unit that is connected of test coil；Wherein, the test coil, for simulating electricity
Sense variation；The test coil drive unit, for driving the test coil on-off；The host computer 4, for handling absolutely
The signal of alignment sensor.
Absolute fix sensor detecting system provided by the present invention, the test coil drive unit are shift register
Or the test coil drive unit is steering logic array.The steering logic array be analog switch array and/or
FPGA.The host computer 4 is also connected with the test coil drive unit, for be arranged the test coil on-off frequency and
Sequentially, the closed-loop control of sensor detection is realized.
In another specific embodiment, absolute fix sensor detecting system provided by the present invention comprising test
Coil, host computer 4, the absolute fix sensor being connected with the host computer and, with the p-wire that is connected of test coil
Enclose driving unit；Wherein, the test coil changes for simulaed inductance；The test coil drive unit, for driving
State test coil on-off；The absolute fix sensor, for receiving the change of the test coil both end voltage；It is described upper
Machine 4, for handling the signal of the absolute fix sensor.The absolute fix sensor is U-type groove structure, the U-type groove
The both ends of structure are respectively sensor emission coil 1 and sensor receiving coil 2.The test coil drive unit and p-wire
Circle 3 is set to the middle part of the U-type groove structure, and parallel with the sensor emission coil 1 and the sensor receiving coil 2.
With shown in test coil 3, the test coil drive unit is test coil drive unit as shown in figure 1 with the test coil
Integral structure.
Absolute fix sensor detecting system provided by the present invention, its working principles are as follows: the detection system includes tool
There are host computer 4, tested sensor (absolute fix sensor), test coil drive unit, the test coil of control software (to be used for
Simulaed inductance variation).The test coil drive unit of the detection system is connected with test coil 3, for generating driving signal, directly
Connect driving coil on-off；Test coil is located in the middle part of the U-type groove of absolute fix sensor, and test coil is changed by on-off to be sensed
Inductance between device transmitting coil 1 and sensor receiving coil 2 is equivalent to pass so that 2 both end voltage of sensor receiving coil changes
Sensor receiving coil 2 recognizes the specific coding of mark plate；Host computer 4 is connected with absolute fix sensor, passes for handling
The signal of sensor, acquisition sensor detect position encoded.Coil on-off frequency and on-off mould also can be set in host computer 4
Formula realizes the closed-loop control of sensor detection.The detection system structure is simple, has portability, only need to be according to tested sensor
Size change test coil dimension flexibly and easily can reliably simulate the detection of absolute fix sensor under fair speed.
Absolute fix sensor detecting system provided by the present invention is described in detail above.It is used herein
A specific example illustrates the principle and implementation of the invention, and the above embodiments are only used to help understand originally
The method and its core concept of invention.It should be pointed out that for those skilled in the art, not departing from this hair
, can be with several improvements and modifications are made to the present invention under the premise of bright principle, these improvement and modification also fall into power of the present invention
In the protection scope that benefit requires.
Claims (8)
1. a kind of absolute fix sensor detecting system, it is characterised in that: it include test coil, host computer and, and it is described
Test the connected test coil drive unit of coil；Wherein,
The test coil changes for simulaed inductance；
The test coil drive unit, for driving the test coil on-off；
The host computer, for handling the signal of absolute fix sensor.
2. absolute fix sensor detecting system as described in claim 1, it is characterised in that: the test coil drive unit
For shift register.
3. absolute fix sensor detecting system as described in claim 1, it is characterised in that: the test coil drive unit
For steering logic array.
4. absolute fix sensor detecting system as claimed in claim 3, it is characterised in that: the steering logic array is mould
Quasi- switch arrays and/or FPGA.
5. such as the described in any item absolute fix sensor detecting systems of Claims 1-4, it is characterised in that: the host computer
Also it is connected with the test coil drive unit, for the test coil on-off frequency and sequence to be arranged, realizes sensor
The closed-loop control of detection.
6. a kind of absolute fix sensor detecting system, it is characterised in that: it include test coil, host computer, with it is described upper
The connected absolute fix sensor of machine and, the test coil drive unit being connected with the test coil；Wherein,
The test coil changes for simulaed inductance；
The test coil drive unit, for driving the test coil on-off；
The absolute fix sensor, for detecting the change of inductance caused by the test coil on-off；
The host computer, for handling the signal of the absolute fix sensor.
7. absolute fix sensor detecting system as claimed in claim 6, it is characterised in that: the absolute fix sensor is
U-type groove structure, the both ends of the U-type groove structure are respectively sensor emission coil and sensor receiving coil.
8. absolute fix sensor detecting system as claimed in claim 7, it is characterised in that: the test coil drive unit
With test coil be set to the U-type groove structure middle part, and with the sensor emission coil and the sensor receiving coil
In parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811183275.8A CN109297523A (en) | 2018-10-11 | 2018-10-11 | A kind of absolute fix sensor detecting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811183275.8A CN109297523A (en) | 2018-10-11 | 2018-10-11 | A kind of absolute fix sensor detecting system |
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| Publication Number | Publication Date |
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| CN109297523A true CN109297523A (en) | 2019-02-01 |
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| CN201811183275.8A Pending CN109297523A (en) | 2018-10-11 | 2018-10-11 | A kind of absolute fix sensor detecting system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110884526A (en) * | 2019-11-27 | 2020-03-17 | 苏州长风航空电子有限公司 | Simulation long stator for testing high-speed maglev train sensor |
| CN112537208A (en) * | 2019-09-23 | 2021-03-23 | 中车株洲电力机车研究所有限公司 | Starting method and device for magnetic suspension high-speed train |
| CN112880729A (en) * | 2021-03-26 | 2021-06-01 | 中国人民解放军国防科技大学 | Device and method for detecting performance of absolute position sensor of maglev train |
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| US9372062B2 (en) * | 2012-05-04 | 2016-06-21 | Honeywell International Inc. | Techniques for calibrating a linear position sensor |
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| CA2488471A1 (en) * | 2003-11-27 | 2005-05-27 | Krohne Messtechnik Gmbh & Co. Kg | Method for operating a measuring instrument |
| EP2137496A1 (en) * | 2007-04-17 | 2009-12-30 | Penny & Giles Controls Limited | Inductive sensors |
| US9372062B2 (en) * | 2012-05-04 | 2016-06-21 | Honeywell International Inc. | Techniques for calibrating a linear position sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112537208A (en) * | 2019-09-23 | 2021-03-23 | 中车株洲电力机车研究所有限公司 | Starting method and device for magnetic suspension high-speed train |
| CN112537208B (en) * | 2019-09-23 | 2022-05-03 | 中车株洲电力机车研究所有限公司 | Starting method and device for magnetic suspension high-speed train |
| CN110884526A (en) * | 2019-11-27 | 2020-03-17 | 苏州长风航空电子有限公司 | Simulation long stator for testing high-speed maglev train sensor |
| CN112880729A (en) * | 2021-03-26 | 2021-06-01 | 中国人民解放军国防科技大学 | Device and method for detecting performance of absolute position sensor of maglev train |
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Application publication date: 20190201 |