CN104359617A - Device for analyzing characteristics of flexible piezomagnetic sensor array - Google Patents
Device for analyzing characteristics of flexible piezomagnetic sensor array Download PDFInfo
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- CN104359617A CN104359617A CN201410682245.7A CN201410682245A CN104359617A CN 104359617 A CN104359617 A CN 104359617A CN 201410682245 A CN201410682245 A CN 201410682245A CN 104359617 A CN104359617 A CN 104359617A
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Abstract
The invention discloses a device for analyzing the characteristics of a flexible piezomagnetic sensor array. The device for analyzing the characteristics of the flexible piezomagnetic sensor array comprises human-machine interaction devices, an LCR bridge, a multi-channel switch control circuit board and a sensor signal collecting device, wherein every two human-machine interaction devices are in communication connection with each other. The multi-channel on-off control circuit board comprises two multi-channel switches controlled by a single-chip microcomputer. The sensor signal collecting device comprises a first electrode plate and a second electrode plate, wherein the surfaces of the two electric plates are opposite to each other, the opposite surfaces of the two electrode plates are each provided with an electrode array composed of multiple electrodes, the electrodes on the same row on the first electrode plate are electrically connected with one another through wires, the electrodes on the same line on the second electrode plate are electrically connected with one another through wires, and multiple connection ends of the two multi-channel switches are electrically connected with the multiple rows of electrodes on the first electrode plate and the multiple lines of electrodes on the second electrode plate respectively in a one-to-one correspondence mode. By the adoption of the device for analyzing the characteristics of the flexible piezomagnetic sensor array, the function of automatically recording and analyzing the flexible piezomagnetic sensor array can be achieved, and development and research of the flexible piezomagnetic sensor array are facilitated.
Description
Technical field
The present invention relates to a kind of specificity analysis device of sensor array, particularly relate to a kind of flexible piezomagnetic sensor array specificity analysis device.
Background technology
Flexible piezomagnetic composite material take silicon rubber as a kind of novel pressure sensitive material that body is made, basic functional principle is when applying different load to material, material correspondingly can export different magnetoimpedance values, along with the change of load is large, impedance values can progressively diminish, and load-impedance characteristic curve linear is good, and repeatability better, adapt to flexible package, the shape needed arbitrarily can be made.
According to the flexible piezomagnetic sensor array of this feature development of flexible piezomagnetic composite material because its volume is little, lightweight and flexible design own, be applicable to the design ap-plication place such as monitor large-area load diatibution, tactile sensing device of robot's image recognition.In the performance history of flexible piezomagnetic sensor array, need the device that the characteristic of flexible piezomagnetic sensor array is analyzed meeting request for utilization.But, market does not meet the off-the-shelf hardware of request for utilization, in domestic disclosed data at present, has no the technical information relevant to said apparatus, so cause the exploitation of current flexible piezomagnetic sensor array not smooth yet.In addition, the parameter measurement of flexible piezomagnetic sensor array is highly sensitive, be easily disturbed, higher requirement is had to test and environment for use, for ensureing the test analysis of flexible piezomagnetic sensor array and reliably carrying out of staking-out work, special flexible piezomagnetic sensor array specificity analysis device must be used, and the Electrical analysis device that tradition is similar can not be adopted.
Summary of the invention
Object of the present invention be just to provide to solve the problem a kind of can automatically, the flexible piezomagnetic sensor array specificity analysis device of test analysis sensor characteristic effectively.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of flexible piezomagnetic sensor array specificity analysis device, comprise for send control signal and the human-computer interaction device of receiving feedback signals, for obtain sensor output signal and be converted to sensor characteristic signal LCR electric bridge, for controlling multi-channel switch and transmit the multi-channel switch control circuit board of corresponding signal and the collecting sensor signal device for gathering flexible piezomagnetic sensor array output signal, described human-computer interaction device, mutual communication between two connection between described LCR electric bridge and described multi-channel switch control circuit board; Described multi-channel switch control circuit board comprises two by monolithic processor controlled multi-channel switch; Described collecting sensor signal device comprises two the first battery lead plates and the second battery lead plate that arrange face to face, the apparent surface of described first battery lead plate and described second battery lead plate is respectively equipped with an electrode matrix be made up of multiple electrode, one_to_one corresponding between the electrode of described first battery lead plate and the electrode of described second battery lead plate, all be electrically connected by wire between electrode with a line on described first battery lead plate, on described second battery lead plate same row electrode between be all electrically connected by wire; Between multirow electrode on multiple link of multi-channel switch described in one of them and described first battery lead plate, one_to_one corresponding is electrically connected, and between the plural electrode array on multiple link of multi-channel switch described in another and described second battery lead plate, one_to_one corresponding is electrically connected.
In said structure, LCR electric bridge be can inductance measuring, electric capacity, resistance, impedance instrument, be applicable to measure the electrical parameter of flexible piezomagnetic sensor array and analyzed the characteristic of flexible piezomagnetic sensor array by human-computer interaction device; The single-chip microcomputer of multi-channel switch control circuit board is corresponding with human-computer interaction device to be connected so that control; Two multi-channel switches of multi-channel switch control circuit board realize realizing open and close one to one to the multirow electrode of the first battery lead plate and the plural electrode array of the second battery lead plate respectively and control, thus lining by line scan between can realizing as required the counter electrode between the first battery lead plate and the second battery lead plate, record the isoparametric situation of change of impedance between each electrode; Counter electrode between first battery lead plate and the second battery lead plate can realize loading the axial compressive load at each position of flexible piezomagnetic sensor array.
As preferably, described flexible piezomagnetic sensor array specificity analysis device also comprises mounting seat, and described second battery lead plate and described multi-channel switch control circuit board are all installed in described mounting seat; Described first battery lead plate is positioned at the top of described second battery lead plate, and on described second battery lead plate, submarginal position is provided with two battery lead plate connecting grooves of connecting corresponding to the plural electrode array on the multirow electrode on described first battery lead plate and described second battery lead plate respectively; Described multi-channel switch control circuit board be provided with two groups respectively with two corresponding circuit board connecting grooves connected of described multi-channel switch, two described battery lead plate connecting grooves respectively circuit board connecting groove described with two are electrically connected by winding displacement is corresponding; Described multi-channel switch control circuit board is also provided with the bnc interface for being connected with described LCR electric bridge and the communication interface for being connected with described human-computer interaction device.This structure forms Modularization assembled structure, is convenient to produce, transport and application.Bnc interface wherein refers to coaxial cable interface.
For the ease of realizing installation between the first battery lead plate and the second battery lead plate and electric connection, the first end of described first battery lead plate is fixedly connected with by register pin with the first end of described second battery lead plate, multirow electrode on described first battery lead plate is all connected to the first end of described first battery lead plate respectively by many wires, multiple links of the described battery lead plate connecting groove be not electrically connected with the plural electrode array on described second battery lead plate are connected to the first end of described second battery lead plate respectively by many wires, between the wire of described first battery lead plate first end and the wire of described second battery lead plate first end, one_to_one corresponding is welded to connect, described first battery lead plate is the flexible electrical pole plate that can bend.
Particularly, described first battery lead plate is polyimide plate.
As preferably, described electrode is point-like copper electrode, and described wire is for printing copper conductor.
According to application demand, described electrode matrix is the matrix of 16 × 16.
In order to shield the impact of external interference on test result in test process, described first battery lead plate and described second battery lead plate are all placed in electromagnetic shielding box.
As preferably, described human-computer interaction device is PC.
Beneficial effect of the present invention is:
The present invention, by setting up the analysis indicator device of flexible piezomagnetic sensor array characteristic, achieves the automatic record analysis function of flexible piezomagnetic sensor array characteristic; Tested by this device analysis, for determining that in the design of pressure magnetic sensor array, element characteristic used, electrode shape, electrode size, method for compensating signal, test circuit design etc. have useful help; The information obtained can graphically show on computers, has certain demonstration meaning for tactile sensing device of robot's design; By arranging electromagnetic shielding box, achieving the elimination to disturbing factor in element test process, ensure that the accuracy of test result.
Concrete advantage is as follows:
1, this flexible piezomagnetic sensor array specificity analysis device possesses automatic detecting, automatic data collection, the analyzing and processing function to 16 × 16 flexible piezomagnetic sensor arraies;
2, BNC connector is directly welded on multi-channel switch control circuit board, signalling channel on multi-channel switch control circuit board adopts symmetrical wire laying mode, the multichannel analog switch used and stube cable conduction impedance are not more than 0.5 Ω, substantially do not affect test result;
3, this flexible piezomagnetic sensor array specificity analysis device possesses automatic calibration function, under the control of the computer, the open circuit of front whole 16 × 16 the array points from LCR electric bridge to test electrode of test, short circuit and load calibration work can be completed, ensure the accuracy of test result;
4, this flexible piezomagnetic sensor array specificity analysis device possesses temperature compensation, hysteresis compensation function, can control in test process, eliminate the impact of ambient temperature change on test result stability to a certain extent by PC, auto-compensation, because element material hesitation is on the impact of test result repeatability, ensures the accuracy of test result;
5, this flexible piezomagnetic sensor array specificity analysis device is configured with shielding casing, effectively can shield the impact of outside electromagnetic interference on test result, effectively ensures the accuracy of test result.
Accompanying drawing explanation
Fig. 1 is the general structure block diagram of flexible piezomagnetic sensor array specificity analysis device of the present invention;
Fig. 2 is the perspective view of multi-channel switch control circuit board of the present invention and collecting sensor signal device;
Fig. 3 is the vertical view of electric pole plate of the present invention;
Fig. 4 is the vertical view of lower electrode plate of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, flexible piezomagnetic sensor array specificity analysis device of the present invention comprises for sending control signal and the PC of receiving feedback signals, for obtaining sensor output signal and being converted to the LCR electric bridge of sensor characteristic signal, for controlling multi-channel switch and transmitting the multi-channel switch control circuit board of corresponding signal and the collecting sensor signal device for gathering flexible piezomagnetic sensor array output signal, PC, between LCR electric bridge and multi-channel switch control circuit board, mutual communication between two connects, between multi-channel switch control circuit board with collecting sensor signal device, communication is connected.
As Fig. 2, shown in Fig. 3 and Fig. 4, collecting sensor signal device comprises two the first battery lead plate 2 and the second battery lead plates 11 arranged face to face, first battery lead plate 2 is the polyimide flex battery lead plate that can bend, first battery lead plate 2 is positioned at the top of the second battery lead plate 11, the apparent surface i.e. lower surface of the first battery lead plate 2 of the first battery lead plate 2 and the second battery lead plate 11 and the upper surface of the second battery lead plate 11 are respectively equipped with one by multiple point-like copper electrode 1 form 16 × 16 electrode matrix, one_to_one corresponding between the point-like copper electrode 1 of the first battery lead plate 2 and the point-like copper electrode 1 of the second battery lead plate 11, first battery lead plate 2 is all electrically connected by printing copper conductor 13 with between the point-like copper electrode 1 of a line, on second battery lead plate 11 same row point-like copper electrode 1 between be all electrically connected that (row and column is here relativeness by printing copper conductor 13, i.e. orthogonal both direction), multi-channel switch control circuit board 7 comprises two by monolithic processor controlled multichannel analog switch, and single-chip microcomputer here and multichannel analog switch all belong to the structure that prior art can easily realize, and do not illustrate in the drawings, described flexible piezomagnetic sensor array specificity analysis device also comprises mounting seat 3, second battery lead plate 11 and multi-channel switch control circuit board 7 are all installed in mounting seat 3, and the first end of the first battery lead plate 2 is fixedly connected with by register pin 4 with the first end of the second battery lead plate 11, multirow point-like copper electrode 1 on first battery lead plate 2 all prints by many first end that copper conductor 13 is connected to the first battery lead plate 2 respectively, on second battery lead plate 11, submarginal position is provided with two battery lead plate connecting grooves 5, multiple links of one of them battery lead plate connecting groove 5 print by many first end that copper conductor 13 is connected to the second battery lead plate 11 respectively, between the printing copper conductor 13 of the first battery lead plate 2 first end and the printing copper conductor 13 of the second battery lead plate 11 first end, one_to_one corresponding is welded to connect, multiple link of another battery lead plate connecting groove 5 and the multiple row point-like copper electrode on the second battery lead plate 11 1 print by many that copper conductor 13 is corresponding to be connected, multi-channel switch control circuit board 7 is provided with two groups of circuit board connecting grooves that should be connected with two multichannel analog Switch Controller respectively, 10, two battery lead plate connecting grooves 5 and is electrically connected by winding displacement (not shown) is corresponding with two circuit board connecting grooves 10 respectively, multi-channel switch control circuit board 7 is also provided with the bnc interface 9 for being connected with LCR electric bridge, for the communication interface (not shown) that is connected with PC and power connector end 8, mounting seat 3 is also provided with electromagnetic shielding box 12, and the first battery lead plate 2 and the second battery lead plate 11 are all placed in electromagnetic shielding box 12.The mounting screw 6 for being installed on by multi-channel switch control circuit board 7 in mounting seat 3 is also show in Fig. 1.
During test, flexible piezomagnetic sensor array to be tested is placed between the first battery lead plate 2 and the second battery lead plate 11, load charger (is another kind of equipment, it not innovation of the present invention, do not illustrate in the drawings) vertically apply axial load by directly over the first battery lead plate 2, institute's imposed load is by flexible piezomagnetic sensor array, under load effect, the electrical parameters such as the magnetoimpedance of flexible piezomagnetic sensor array change, its change information is transferred to LCR electric bridge by bnc interface 9 and measures, the result measured is transferred to PC display and analyzes, understand and application for user.
Above-described embodiment is preferred embodiment of the present invention; it is not the restriction to technical solution of the present invention; as long as without the technical scheme that creative work can realize on the basis of above-described embodiment, all should be considered as falling within the scope of the rights protection of patent of the present invention.
Claims (10)
1. a flexible piezomagnetic sensor array specificity analysis device, it is characterized in that: comprise for send control signal and the human-computer interaction device of receiving feedback signals, for obtain sensor output signal and be converted to sensor characteristic signal LCR electric bridge, for controlling multi-channel switch and transmit the multi-channel switch control circuit board of corresponding signal and the collecting sensor signal device for gathering flexible piezomagnetic sensor array output signal, described human-computer interaction device, mutual communication between two connection between described LCR electric bridge and described multi-channel switch control circuit board; Described multi-channel switch control circuit board comprises two by monolithic processor controlled multi-channel switch; Described collecting sensor signal device comprises two the first battery lead plates and the second battery lead plate that arrange face to face, the apparent surface of described first battery lead plate and described second battery lead plate is respectively equipped with an electrode matrix be made up of multiple electrode, one_to_one corresponding between the electrode of described first battery lead plate and the electrode of described second battery lead plate, all be electrically connected by wire between electrode with a line on described first battery lead plate, on described second battery lead plate same row electrode between be all electrically connected by wire; Between multirow electrode on multiple link of multi-channel switch described in one of them and described first battery lead plate, one_to_one corresponding is electrically connected, and between the plural electrode array on multiple link of multi-channel switch described in another and described second battery lead plate, one_to_one corresponding is electrically connected.
2. flexible piezomagnetic sensor array specificity analysis device according to claim 1, it is characterized in that: described flexible piezomagnetic sensor array specificity analysis device also comprises mounting seat, and described second battery lead plate and described multi-channel switch control circuit board are all installed in described mounting seat; Described first battery lead plate is positioned at the top of described second battery lead plate, and on described second battery lead plate, submarginal position is provided with two battery lead plate connecting grooves of connecting corresponding to the plural electrode array on the multirow electrode on described first battery lead plate and described second battery lead plate respectively; Described multi-channel switch control circuit board be provided with two groups respectively with two corresponding circuit board connecting grooves connected of described multi-channel switch, two described battery lead plate connecting grooves respectively circuit board connecting groove described with two are electrically connected by winding displacement is corresponding; Described multi-channel switch control circuit board is also provided with the bnc interface for being connected with described LCR electric bridge and the communication interface for being connected with described human-computer interaction device.
3. flexible piezomagnetic sensor array specificity analysis device according to claim 2, it is characterized in that: the first end of described first battery lead plate is fixedly connected with by register pin with the first end of described second battery lead plate, multirow electrode on described first battery lead plate is all connected to the first end of described first battery lead plate respectively by many wires, multiple links of the described battery lead plate connecting groove be not electrically connected with the plural electrode array on described second battery lead plate are connected to the first end of described second battery lead plate respectively by many wires, between the wire of described first battery lead plate first end and the wire of described second battery lead plate first end, one_to_one corresponding is welded to connect, described first battery lead plate is the flexible electrical pole plate that can bend.
4. flexible piezomagnetic sensor array specificity analysis device according to claim 3, is characterized in that: described first battery lead plate is polyimide plate.
5. according to the flexible piezomagnetic sensor array specificity analysis device in claim 1-4 described in any one, it is characterized in that: described electrode is point-like copper electrode, described wire is for printing copper conductor.
6. flexible piezomagnetic sensor array specificity analysis device according to claim 5, is characterized in that: described electrode matrix is the matrix of 16 × 16.
7. flexible piezomagnetic sensor array specificity analysis device according to claim 5, is characterized in that: described first battery lead plate and described second battery lead plate are all placed in electromagnetic shielding box.
8., according to the flexible piezomagnetic sensor array specificity analysis device in claim 1-4 described in any one, it is characterized in that: described electrode matrix is the matrix of 16 × 16.
9. according to the flexible piezomagnetic sensor array specificity analysis device in claim 1-4 described in any one, it is characterized in that: described first battery lead plate and described second battery lead plate are all placed in electromagnetic shielding box.
10. according to the flexible piezomagnetic sensor array specificity analysis device in claim 1-4 described in any one, it is characterized in that: described human-computer interaction device is PC.
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| CN201410682245.7A CN104359617B (en) | 2014-11-24 | 2014-11-24 | Flexible piezomagnetic sensor array specificity analysis device |
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| CN201410682245.7A CN104359617B (en) | 2014-11-24 | 2014-11-24 | Flexible piezomagnetic sensor array specificity analysis device |
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| CN104359617A true CN104359617A (en) | 2015-02-18 |
| CN104359617B CN104359617B (en) | 2016-05-11 |
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2014
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| JPS62252006A (en) * | 1986-04-25 | 1987-11-02 | 松下電器産業株式会社 | Ferrodielectric thin film device |
| JPH01205582A (en) * | 1988-02-12 | 1989-08-17 | Seiko Epson Corp | Piezoelectric displacement device |
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