CN105091914A - Detection device and detection method - Google Patents
Detection device and detection method Download PDFInfo
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- CN105091914A CN105091914A CN201510370165.2A CN201510370165A CN105091914A CN 105091914 A CN105091914 A CN 105091914A CN 201510370165 A CN201510370165 A CN 201510370165A CN 105091914 A CN105091914 A CN 105091914A
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Abstract
The invention discloses a detection device and a detection method. The detection device comprises an inductor, a collector and a signal processor. The inductor comprises a plurality of induction units and electrodes; when an inducted object reaches an induction distance of a specific induction unit, the inducted object and the specific induction unit form a coupling capacitor, current is generated between the specific induction units and the electrode correspondingly connected, and the electric potentials of the plurality of induction units which are connected between the specific induction unit and electrode are changed; the collector comprises a plurality of collection units, each induction unit is corresponded to a collection unit, and the collection unit is used for collecting electric potential signals of electric potential of the corresponding induction unit; and the signal processor is used for receiving the electric potential signal transmitted by the collection unit, processing the electric potential signal, receiving the collection unit transmitting the electric potential signal and the physical position of the corresponding induction unit, and determining the position information between the inducted object and the detection device and/or the movement information of the inducted object according to the physic position.
Description
Technical field
The present invention relates to technical field of electronic equipment, particularly relating to one can to organism locus or biosome local location, and motor behavior carries out the pick-up unit that detects and detection method.
Background technology
Organism locus Detection Techniques, have been widely used in multiple fields such as medical treatment, health, rescue, safety monitoring.Organism locus monitoring technology conventional at present comprises: infrared induction and microwave induced two kinds of modes.
Infrared inductor probe is infrared ray by detection human body or the transmitting of other biological body and carries out work.By the infrared radiation collection of infrared inductor probe collection on infrared induction source, infrared induction source adopts pyroelectricity element usually, this element when temperature changing when have received infrared radiation, outwards discharging electric charge, can simulate the positional information of human body or other biological body after treatment.But, infrared eye is usually mainly used in perception biosome and whether enters investigative range, whether biosome to be moved or the size dimension of biosome then can not accurately detect, for the induction of the induction of in-plant organism locus or biosome local location, at the bottom of resolution, Detection results is bad.
Microwave induced, utilize electromagnetic Doppler's principle to realize.We know that any ripple has the characteristic of reflection, when the ripple of certain frequency encounters restraining mass time, will some ripple be reflected back, if restraining mass is static, the wavelength of reflection wave is exactly constant, if restraining mass is that the wavelength of reflection wave just comes short than the wavelength of wave source to wave source motion; If restraining mass moves to the direction away from wave source, the wavelength of reflection wave is just than the length that the wavelength of wave source comes.The change of wavelength, just means the change of frequency.Microwave inducedly mainly the movement of biosome to be reacted, be applicable to detect with certain speed near or away from the biosome of microwave sensor, but biosome is once transfixion, just cannot detect.The microwave induced shape that also cannot detect biosome on the other hand.
Summary of the invention
The object of the invention is the defect for prior art, provide a kind of pick-up unit and detection method, can to organism locus or biosome local location, and motor behavior accurately detects.
For achieving the above object, first aspect, the invention provides a kind of pick-up unit, comprising:
Inductor, comprises multiple sensing unit and electrode, one or more groups sensing unit that each Electrode connection is corresponding; When sensed thing reaches the distance of reaction of specific sensing unit time, coupling capacitance is formed with described specific sensing unit, thus the current potential of described specific sensing unit is changed, generation current between described specific sensing unit and the corresponding electrode connected, makes described specific sensing unit change with the current potential of the multiple sensing units be connected between described electrode then;
Collector, comprises multiple collecting unit, the corresponding collecting unit of sensing unit described in each, and collecting unit is for gathering the electric potential signal of the current potential of corresponding sensing unit;
Signal processor, for receiving the electric potential signal that described collecting unit sends, described electric potential signal is processed, obtain the physical location sending the collecting unit of described electric potential signal and the sensing unit of correspondence, and determine the movable information of positional information between described sensed thing and described pick-up unit and/or described sensed thing according to described physical location.
Preferably, described signal processor also for, the information of the physical location of the sensing unit of the multiple electric potential signal send multiple described collecting unit and collecting unit corresponding to each described electric potential signal and correspondence processes, and builds the three-dimensional shape model of described sensed thing.
Preferably, described pick-up unit also comprises:
Insulating medium layer, to be arranged at described in each between sensing unit and the collecting unit of correspondence; Described insulating medium layer has specific inductive capacity and the thickness of setting.
Preferred further, described inductor is specially sensor circuit, and described sensor circuit is printed on flexible PCB and forms sensor circuit layer; Described collector is specially Acquisition Circuit, and described Acquisition Circuit is printed on flexible PCB and forms Acquisition Circuit layer; Described insulating medium layer is one or more layers, is arranged between described sensor circuit layer and described Acquisition Circuit layer.
Preferred further, when described insulating medium layer is multilayer, mutually paste between every two-layer insulating medium layer and form multilayer insulation dielectric layer, a surface of described multilayer insulation dielectric layer is pasted mutually with the flexible PCB with described sensor circuit layer, and another surface of described multilayer insulation dielectric layer is pasted mutually with the flexible PCB with described Acquisition Circuit layer.
Preferred further, on described flexible PCB, described sensor circuit and described Acquisition Circuit are netted in what be interweaved, comprise the collecting unit of an annular cabling and the sensing unit of a cylindrical conductor at described netted each node.
Preferred further, described collecting unit comprises analog to digital converter, sends to described signal processor to process for described electric potential signal being converted to digital electric potential signal.
Preferred further, described pick-up unit also comprises the housing of column or tubular, is coated on outside described inductor, insulating medium layer and collector.
Second aspect, embodiments provides a kind of detection method, comprising:
By sensed thing near pick-up unit, in time reaching within the scope of distance of reaction, described pick-up unit generation current;
According to described electric current, described pick-up unit changes the electric potential signal of different physical location;
Described electric potential signal is processed, obtains the corresponding physical location in pick-up unit of described electric potential signal, and determine the movable information of positional information between described sensed thing and described pick-up unit and/or described sensed thing according to described physical location.
Preferably, described detection method also comprises:
The information of multiple electric potential signal and the corresponding physical location in pick-up unit of each described electric potential signal is processed, builds the three-dimensional shape model of described sensed thing.
The pick-up unit that the embodiment of the present invention provides, coupling capacitance is formed by inductor and sensing object, by effective perception when enabling sensing object arrive within the scope of distance of reaction, and cause the change of inductor current potential, the electric potential signal collected is processed, determine positional information between sensed thing and pick-up unit and the sensed thing movable information relative to pick-up unit, thus realize the position of sensed thing and the accurate detection of motor behavior thereof.
Accompanying drawing explanation
The structured flowchart of the pick-up unit that Fig. 1 provides for the embodiment of the present invention;
A kind of partial schematic diagram of the pick-up unit that Fig. 2 provides for the embodiment of the present invention;
The another kind of partial schematic diagram of the pick-up unit that Fig. 3 embodiment of the present invention provides;
A kind of position relationship schematic diagram of the pick-up unit that Fig. 4 provides for the embodiment of the present invention and detected material;
The another kind of position relationship schematic diagram of the pick-up unit that Fig. 5 provides for the embodiment of the present invention and detected material;
The principle of work schematic diagram of the pick-up unit that Fig. 6 provides for the embodiment of the present invention;
Another the partial structurtes schematic diagram of the pick-up unit that Fig. 7 provides for the embodiment of the present invention;
The detection method process flow diagram that Fig. 8 provides for the embodiment of the present invention.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
The pick-up unit that the present embodiment provides, be mainly used in the position to biosome or biosome positional information locally, and the movable information of biosome or biosome local detects.
The structured flowchart of a kind of pick-up unit that Fig. 1 provides for the embodiment of the present invention.As shown in Figure 1, the pick-up unit that the embodiment of the present invention provides comprises: inductor 1, collector 2 and signal processor 3.
Inductor 1, comprises multiple sensing unit and electrode, one or more groups sensing unit that each Electrode connection is corresponding;
When not sensing biosome, form a low-voltage AC electric field in inductor 1, the current potential of each sensing unit is all identical.
When sensed biosome or biosome local reach in the distance of reaction of certain or some sensing unit in inductor 1 time, due to biosome electric field, enter the biosome in distance of reaction or biosome local, form coupling capacitance with this sensing unit.For explicit differentiation, these sense the sensing unit of biosome, are referred to as specific sensing unit in this application.
For high-frequency current, electric capacity is direct conductor, so biosome (locally) siphons away a very little electric current from specific sensing unit, the current potential of specific sensing unit is changed.The electric current be sucked away is flowed out by the electrode be connected with sensing unit, thus creates electric current between specific sensing unit and the corresponding electrode connected, and specific sensing unit is changed with the current potential of the multiple sensing units be connected between electrode.
Collector 2, comprises multiple collecting unit, the corresponding collecting unit of each sensing unit, and collecting unit is for gathering the electric potential signal of the current potential of corresponding sensing unit;
Signal processor 3, for receiving the electric potential signal that collecting unit sends, electric potential signal is processed, obtain and send the collecting unit of described electric potential signal and the physical location of sensing unit in pick-up unit of correspondence, and determine the positional information between biosome (locally) and pick-up unit according to physical location.
When signal processor 3 have recorded the positional information between biosome (locally) and pick-up unit that surrounding time obtains, according to the change of positional information, the movable information of biosome (locally) can be learnt.
When there being multiple sensing unit all to sense biosome (locally) in inductor 1, the current potential of multiple specific sensing unit all there occurs change.Now, collecting unit sends the electric potential signal of the multiple specific sensing unit collected to signal processor 3, processed by the information of signal processor 3 to the physical location of the sensing unit of multiple electric potential signal and collecting unit corresponding to each electric potential signal and correspondence, construct the three-dimensional shape model of sensed biosome (locally).
In concrete implementation, directly be not electrically connected between inductor 1 and collector 2, but by adding in the middle of the two, one deck insulating medium layer 4 is connected together, insulating medium layer 4 is configured with specific specific inductive capacity and thickness, makes each organize the structure also forming plate condenser between corresponding sensing unit and collecting unit.When the current potential of sensing unit changes, the electrical potential information that collecting unit collects also changes thereupon.Ensure that the specific inductive capacity often organizing the insulating medium layer 4 between corresponding sensing unit and collecting unit in pick-up unit is all identical with thickness, with the electrical potential information guaranteeing often to organize collecting unit with the consistance of this group sensing unit potential change and sensitivity.
In concrete realization, shown in composition graphs 2, inductor can be specially sensor circuit 10, is printed on flexible PCB and forms sensor circuit layer; Collector can be specially Acquisition Circuit 20, is printed on flexible PCB and forms Acquisition Circuit layer; Insulating medium layer 4 is arranged between sensor circuit layer and Acquisition Circuit layer, forms the flexible testing circuit 5 being integrated with inductor and collector.
Insulating medium layer 4 can be individual layer or multilayer, specifically carries out actual disposition as required.Wherein the situation of single layer dielectrics dielectric layer is shown in Figure 2.
If multilayer insulation dielectric layer, then as shown in Figure 3, mutually paste successively between every layer of insulating medium layer 4 and form multilayer insulation dielectric layer 40, multilayer insulation dielectric layer 40 surface is pasted mutually with the flexible PCB with sensor circuit 10, and pasted mutually with the flexible PCB with Acquisition Circuit 20 on another surface of multilayer insulation dielectric layer, thus form the flexible testing circuit 5 being integrated with inductor and collector.
Pick-up unit provided by the invention, be mainly applicable to detect the position of in-plant biosome (locally) and motion, the profile of pick-up unit includes but not limited to tubular, column etc.Fig. 4 and Fig. 5 respectively illustrates the shape of two kinds of possible pick-up units, and shown shape is also not used in the profile limiting pick-up unit.
Pick-up unit shown in Fig. 4 has rectangular parallelepiped shell 6, shell is insulator, a surface has to the perforate in rectangular parallelepiped wherein, the cross sectional shape in this hole can be circle, ellipse, rectangle, square, triangle or other rule or irregular shape.
On the outside of four sides that the surface that flexible testing circuit 5 is surrounded on perforate is vertical, biosome (locally) is entered in rectangular parallelepiped in a direction indicated by the arrow by perforate, when within the scope of the distance of reaction of certain or some sensing units reaching flexible testing circuit 5 time, generation current in the sensing unit of flexible testing circuit 5; Detect that flexible testing circuit 5 is in difference electric potential signal physically and change thereof by detecting unit, the signal processor 3 be connected with flexible circuit 5 is transferred to by signal wire, by carrying out analyzing and processing to electric potential signal and variable quantity thereof, obtain biosome (locally) position and movement locus etc. in pick-up unit.This position comprises the space length between biosome (locally) and pick-up unit, and coated (contact or have certain distance) geometric area, shape etc. on detection means.
Pick-up unit shown in Fig. 5 has cylindrical shell 6, shell is insulator, flexible testing circuit 5 is surrounded on cylindrical outer surface inwall, biosome (locally) is by any direction proximity test device outside pick-up unit, when within the scope of the distance of reaction of certain or some sensing units reaching flexible testing circuit 5 time, generation current in the sensing unit of flexible testing circuit 5; Detect that flexible testing circuit 5 is in difference electric potential signal physically and change thereof by detecting unit, be sent to the signal processor 3 be connected with flexible circuit 5, by carrying out analyzing and processing to electric potential signal and variable quantity thereof, obtain biosome (locally) position and movement locus etc. in pick-up unit.
Further, sending to the electric potential signal of signal processor 3 can be simulating signal, also can be digital signal.When adopting digital signal to carry out signal transacting, each collecting unit in collector 2 also includes an analog to digital converter, for the electric potential signal collected is converted to digital electric potential signal, sends to signal processor 3 to process.
On flexible PCB, sensor circuit 10 and Acquisition Circuit 20 can in the netted settings be interweaved, as shown in Figure 6.Wherein in figure, longitudinal direction is sensor circuit 10, when wherein certain location sensitive is to biosome (locally), and generation current in the whole sensor circuits 10 connected between sensor circuit 10 to electrode.If A, B in figure 2 are sensed position, then electric charge adds to sensed position along the direction of arrow in the figure.The Acquisition Circuit 20 of the perpendicular setting in the direction be connected with sensor circuit 10, gathers the current potential of each sensing unit in sensor circuit 10, sends to signal processor to process.
Figure 7 shows that the structural representation of the partial enlargement on the netted node of flexible PCB.
On netted each node, collecting unit 20 can be annular cabling; Cabling includes but not limited to solid netted or other forms of conductor.Sensing unit 10 is cylindrical conductor, is mutually connected in series between the multiple sensing units 10 often organizing sensing unit, thus forms the passage of supplementary electric charge by the cylindrical conductor of serial connection mutually.
Further, in actual applications, the display device that signal processor 3 can also have a Presentation Function is connected.
Such as; shown by the display device that is connected with signal processor 3 three-dimensional shape model to the positional information of the biosome detected (locally), movement locus or structure, make user can observe biosome (locally) action behavior on (side) or position distribution state in pick-up unit more intuitively.
Further, signal processor 3 can also be connected by intelligent terminal, in intelligent terminal, there is process chip, positional information and the action behavior of the biosome (locally) that can send according to signal processor 3 carry out analyzing and processing, produce control signal control intelligent terminal and change its profile, direction of motion, frequency etc.
Therefore, pick-up unit of the present invention can be applied to multiple field, as the gesture identification in Magic cap, camera bellows, animal behavior monitoring or people's intelligent artifact, rod of consoling oneself as lady's, massager, men's aircraft cup etc.
The pick-up unit that the embodiment of the present invention provides, coupling capacitance is formed by inductor and sensing object, by effective perception when enabling sensing object arrive within the scope of distance of reaction, and cause the change of inductor current potential, the electric potential signal collected is processed, determine positional information between sensed thing and pick-up unit and the sensed thing movable information relative to pick-up unit, thus realize the position of sensed thing and the accurate detection of motor behavior thereof.
Accordingly, the embodiment of the present invention additionally provides a kind of detection method, can perform in above-mentioned detection device.
Figure 8 shows that the method flow diagram of this detection method, as shown in the figure, described method comprises:
Step 810, by sensed thing near pick-up unit, in time reaching within the scope of distance of reaction, pick-up unit generation current;
Concrete, sensed thing is when arriving within the scope of distance of reaction, with sense that the sensing unit of sensed thing forms coupling capacitance, thus produce the electric charge of sensing unit supplementary in pick-up unit, form electric current, therefore cause the current potential of other sensing units be connected with this sensing unit to change.
Step 820, according to described electric current, described pick-up unit changes the electric potential signal of different physical location;
Concrete, the electrical potential information of detecting unit to sensing unit gathers, obtain each detecting unit electric potential signal geographically.
Step 830, described electric potential signal is processed, obtain the corresponding physical location in pick-up unit of described electric potential signal, and determine the movable information of positional information between described sensed thing and described pick-up unit and/or described sensed thing according to described physical location.
Concrete, if the electric potential signal received is multiple, then can processes the information of multiple electric potential signal and the corresponding physical location in pick-up unit of each electric potential signal, construct the positional information of sensed thing, three-dimensional shape model and action behavior.These information can also be sent to display device and carry out simulating reality, or send other intelligent terminals to and perform corresponding action or operation etc.
Professional should recognize further, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with electronic hardware, computer software or the combination of the two, in order to the interchangeability of hardware and software is clearly described, generally describe composition and the step of each example in the above description according to function.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
The software module that the method described in conjunction with embodiment disclosed herein or the step of algorithm can use hardware, processor to perform, or the combination of the two is implemented.Software module can be placed in the storage medium of other form any known in random access memory (RAM), internal memory, ROM (read-only memory) (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a pick-up unit, is characterized in that, described in comprise:
Inductor, comprises multiple sensing unit and electrode, one or more groups sensing unit that each Electrode connection is corresponding; When sensed thing reaches the distance of reaction of specific sensing unit time, coupling capacitance is formed with described specific sensing unit, thus the current potential of described specific sensing unit is changed, generation current between described specific sensing unit and the corresponding electrode connected, makes described specific sensing unit change with the current potential of the multiple sensing units be connected between described electrode then;
Collector, comprises multiple collecting unit, the corresponding collecting unit of sensing unit described in each, and collecting unit is for gathering the electric potential signal of the current potential of corresponding sensing unit;
Signal processor, for receiving the electric potential signal that described collecting unit sends, described electric potential signal is processed, obtain the physical location sending the collecting unit of described electric potential signal and the sensing unit of correspondence, and determine the movable information of positional information between described sensed thing and described pick-up unit and/or described sensed thing according to described physical location.
2. pick-up unit according to claim 1, it is characterized in that, described signal processor also for, the information of the physical location of the sensing unit of the multiple electric potential signal send multiple described collecting unit and collecting unit corresponding to each described electric potential signal and correspondence processes, and builds the three-dimensional shape model of described sensed thing.
3. pick-up unit according to claim 1, is characterized in that, described pick-up unit also comprises:
Insulating medium layer, to be arranged at described in each between sensing unit and the collecting unit of correspondence; Described insulating medium layer has specific inductive capacity and the thickness of setting.
4. pick-up unit according to claim 3, is characterized in that, described inductor is specially sensor circuit, and described sensor circuit is printed on flexible PCB and forms sensor circuit layer; Described collector is specially Acquisition Circuit, and described Acquisition Circuit is printed on flexible PCB and forms Acquisition Circuit layer; Described insulating medium layer is one or more layers, is arranged between described sensor circuit layer and described Acquisition Circuit layer.
5. pick-up unit according to claim 4, it is characterized in that, when described insulating medium layer is multilayer, mutually paste between every two-layer insulating medium layer and form multilayer insulation dielectric layer, a surface of described multilayer insulation dielectric layer is pasted mutually with the flexible PCB with described sensor circuit layer, and another surface of described multilayer insulation dielectric layer is pasted mutually with the flexible PCB with described Acquisition Circuit layer.
6. pick-up unit according to claim 4, it is characterized in that, on described flexible PCB, described sensor circuit and described Acquisition Circuit are netted in what be interweaved, comprise the collecting unit of an annular cabling and the sensing unit of a cylindrical conductor at described netted each node.
7. the pick-up unit according to any one of claim 1-6, is characterized in that, described collecting unit comprises analog to digital converter, sends to described signal processor to process for described electric potential signal being converted to digital electric potential signal.
8. pick-up unit according to claim 3, is characterized in that, described pick-up unit also comprises the housing of column or tubular, is coated on outside described inductor, insulating medium layer and collector.
9. a detection method, is characterized in that, described method comprises:
By sensed thing near pick-up unit, in time reaching within the scope of distance of reaction, described pick-up unit generation current;
According to described electric current, described pick-up unit changes the electric potential signal of different physical location;
Described electric potential signal is processed, obtains the corresponding physical location in pick-up unit of described electric potential signal, and determine the movable information of positional information between described sensed thing and described pick-up unit and/or described sensed thing according to described physical location.
10. detection method according to claim 9, is characterized in that, described detection method also comprises:
The information of multiple electric potential signal and the corresponding physical location in pick-up unit of each described electric potential signal is processed, builds the three-dimensional shape model of described sensed thing.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111784373A (en) * | 2019-04-03 | 2020-10-16 | 浙江汉朔电子科技有限公司 | Information pushing method, device, system, equipment and storage medium |
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| US20130155003A1 (en) * | 2011-12-14 | 2013-06-20 | Samsung Electro-Mechanics Co., Ltd. | Touch sensing apparatus and method thereof |
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| CN1164286A (en) * | 1994-09-02 | 1997-11-05 | 辛纳普蒂克斯有限公司 | Object position detector |
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