CN108474817A - Tiny signal detection device and its detection method - Google Patents

Tiny signal detection device and its detection method Download PDF

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Publication number
CN108474817A
CN108474817A CN201880000150.9A CN201880000150A CN108474817A CN 108474817 A CN108474817 A CN 108474817A CN 201880000150 A CN201880000150 A CN 201880000150A CN 108474817 A CN108474817 A CN 108474817A
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CN
China
Prior art keywords
energy
unit
tiny signal
frequency
charge
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CN201880000150.9A
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Chinese (zh)
Inventor
廖淑辉
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廖淑辉
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Application filed by 廖淑辉 filed Critical 廖淑辉
Priority to PCT/CN2018/076947 priority Critical patent/WO2019161525A1/en
Publication of CN108474817A publication Critical patent/CN108474817A/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/001Energy harvesting or scavenging

Abstract

The present invention provides a tiny signal detection device, including:One energy harvesting circuit module, it includes a pre- storage module and a high frequency charge and discharge control module, the wherein described pre- storage module temporarily stores the energy of a tiny signal, the wherein high frequency charge and discharge control module obtains pre- storage mould energy in the block, the high frequency charge and discharge control module by certain frequency in a manner of will measure output;With an acquisition of information circuit module, the wherein described high frequency charge and discharge control module provides energy to described information and obtains circuit module, wherein described information obtains circuit module and obtains information from the tiny signal to obtain the testing result of the tiny signal, and the testing result of the tiny signal is transmitted.Additionally, it is provided a tiny signal detection method.

Description

Tiny signal detection device and its detection method

Technical field

The present invention relates to signal identification and detection field, especially a kind of acquisition for tiny signal and it is further processed Detection device and detection method.

Background technology

Now, generated each signal is rich in certain meaning, for those features and meaning all ten in production Divide for apparent signal, technical difficult points are acquisition, filtering or deciphering appropriate etc..But many small letters Number also there is certain representative meaning, be but usually ignored, or missed because of that cannot obtain in time.Only when small signal generation The minor issue of table rises to certain rank, becomes just be acquired when big problem sends out big signal, this quantitative change causes qualitative change Process can be detected and diagnose from the small signal of starting stage completely.

Typically, it needs to detect the process and state of presence and the action of some faint burst sexual acts, such as detects Primary slight shock, the presence of the actions such as touching, squeeze, and acted come the run action of control device by these, or Person needs the consciousness of behavior to generating these actions to judge.That is acting corresponding signal also has corresponding meaning Justice.But since these actions are to generate moment, disappear at once therewith, the time existing for generation energy is very short, therefore For can not use common device and method in detection.

Usually, there are two types of speciality for signal tool itself, when the energy that itself is carried, second is that the information carried.Traditional Method is confined to the faint energy of tiny signal, can only the information of carrying amplification etc. processing be processed deciphering.So, The possibility of maloperation is very high, because information is possible and imperfect, or has been disposed off crucial letter in the process Breath.

Especially a kind of discontinuous existing small pulse signal, is difficult to be acquired in traditional detection.When prominent Hair event can just input single or several times weak pulse electric energy existing for moment when generating, energy size 0.001 joule with It is interior, such as to carry out pulsed discharge primary for the electric energy of small capacitor storage of 47uF/6.3V.That is it is a kind of uncontrolled Pulse, the pulse pattern for referring to input can be Pulse of Arbitrary, the impulse amplitude of its generation of different power supply devices, pulse width, energy It is different to measure intensity.This pulse signal can be sparked by a capacitor generation or it is coil-induced generation or micro- electricity Tank discharge generates or by static discharge generation or by piezo-electric crystal generation or by temperature difference generation or by it The device of its generating power generates.Although energy is small, the abundant information carried after deciphering appropriate, can judge its reaction Action.

The detection of the targeted tiny signal of present inventive concept not only detects the presence of tiny signal, more to tiny signal Energy is utilized, and the information of tiny signal is collected and further is handled.

Invention content

It is an object of the present invention to provide a kind of tiny signal detection device and its detection methods, from a tiny signal Energy in terms of and message context set out respectively and obtained and detected, and be message context using the energy of the tiny signal Power-assisted is provided.

It is another object of the present invention to provide a kind of tiny signal detection device and its detection methods, will be described small The energy existence time of signal extends, and extends the energy output time of the tiny signal, that is, to the energy of the tiny signal The time can be gone out into line delay, further provide energy support for acquisition of information.

It is another object of the present invention to provide a kind of tiny signal detection device and its detection methods, for acquisition The information of the tiny signal is handled, and obtained information is transmitted output in the form of data, for subsequent use.

It is another object of the present invention to provide a kind of tiny signal detection device and its detection methods, will be described small The information and parameter of signal completely obtain, such as polarity, amplitude or existing time, improve the efficiency of subsequent processing.

It is another object of the present invention to provide a kind of tiny signal detection device and its detection method, the small letter Number energy existence time extend 2-10 times, improve data bandwidth, ensure data transmission reliability, reduction the bit error rate.

It is another object of the present invention to provide a kind of tiny signal detection device and its detection methods, will be described small The energy existence time of signal extends so that the information of the tiny signal is repeatedly transmitted by or communicates, and improves data Accuracy.

It is another object of the present invention to provide a kind of tiny signal detection device and its detection methods, for an institute Tiny signal is stated, detection at least once, that is, energy harvesting and acquisition of information will be carried out, ensure that the tiny signal is filled Divide ground detection.

It is another object of the present invention to provide a kind of tiny signal detection device and its detection method, the small letter Number energy while be extended, also further ensure the stability of energy output so that the energy of output is by effective land productivity With.

It is another object of the present invention to provide a kind of tiny signal detection device and its detection method, the small letter Number energy while be extended, it is further controllable to output voltage so that output voltage is directly utilizable, and providing makes With efficiency and energy conversion rate.

It is another object of the present invention to provide a kind of tiny signal detection device and its detection method, the small letter Number energy be extended presence after, output energy can further be used in other load.

It is another object of the present invention to provide a kind of tiny signal detection device and its detection method, the small letter Number energy output be stably controlled, by closed loop feedback, ensure that output voltage is maintained in range of needs.

It is another object of the present invention to provide a kind of tiny signal detection device and its detection methods, according to right every time It the case where tiny signal detection, is all externally transmitted by a communication unit so that the specific of tiny signal reaction moves Work is recognized.

It is another object of the present invention to provide a kind of tiny signal detection device and its detection method, the communication is single Member is wireless transmission, accordingly to matched another radio receiving unit transmission detection as a result, so that subsequent analysis uses.

One side under this invention, the present invention further provides a tiny signal detection devices, including:One energy harvesting Circuit module comprising a pre- storage module and a high frequency charge and discharge control module, wherein the pre- storage module is by a tiny signal Energy temporarily stores, wherein the high frequency charge and discharge control module obtains pre- storage mould energy in the block, the high frequency charge and discharge Control module is exported energy in a manner of certain frequency;With an acquisition of information circuit module, wherein the high frequency charge and discharge control Module provides energy to described information and obtains circuit module, and wherein described information obtains circuit module and obtained from the tiny signal The testing result of the tiny signal is transmitted by information with obtaining the testing result of the tiny signal.

According to one embodiment of present invention, the high frequency charge and discharge control module discontinuously obtains energy from the pre- storage module Amount, wherein the high frequency charge and discharge control module carries out output energy with controllable voltage mode.

According to one embodiment of present invention, the energy harvesting circuit module is suitable for obtaining energy from the tiny signal Amount extends energy existence time by way of being interrupted and exporting.

According to one embodiment of present invention, the time of the high frequency charge and discharge control module output energy is more than described small Time of the signal to the energy harvesting circuit module input energy.

According to one embodiment of present invention, the high frequency charge and discharge control module controls the energy of the tiny signal with one Fixed frequency output voltage.

According to one embodiment of present invention, the high frequency charge and discharge control module controlled with the adjustable mode of pulse width and Export the energy of the tiny signal.

According to one embodiment of present invention, the high frequency charge and discharge control module includes a control unit, a higher-order of oscillation Unit, an execution unit and a feedback unit, are wherein connected to described control unit controllable frequency the higher-order of oscillation Unit, wherein the high frequency oscillation unit is connected to the execution unit with can control the operating frequency of the execution unit, Described in execution unit obtain energy, and the output of operating energy from the pre- storage module, wherein the feedback unit is to described The energy that execution unit is exported is monitored, and feeds back to described control unit, to form closed-loop control.

According to one embodiment of present invention, the feedback unit is acquired simultaneously the output voltage of the execution unit Feedback.

According to one embodiment of present invention, the voltage that the feedback unit exports the execution unit is acquired simultaneously Feedback.

According to one embodiment of present invention, the execution unit is relative to the slow of the pre- storage module and power load Wash pass open.

According to one embodiment of present invention, described control unit, the high frequency oscillation unit, the execution unit and The feedback unit is arranged at a circuit board.

According to one embodiment of present invention, the high frequency charge and discharge control module is integrally encapsulated.

According to one embodiment of present invention, the high frequency charge and discharge control module passes through SOC (System-on-a-Chip) Encapsulation.

According to one embodiment of present invention, the pre- storage module includes further a rectification unit and a pre- charge and discharge list Member, wherein the rectification unit receives the tiny signal, wherein the preliminary filling put unit will be after the rectification unit rectification Energy storage, and wait for and being obtained by the high frequency charge and discharge control module.

According to one embodiment of present invention, the high frequency oscillation unit of the high frequency charge and discharge control module is by described pre- It is energy activated stored by charge and discharge unit.

According to one embodiment of present invention, the execution unit includes a cut-off device and an accumulator, wherein described open Disconnected utensil has an open state and a disconnected state, the frequency of cut-offfing of the cut-off device to be controlled by the high frequency oscillation unit, wherein The accumulator is controlled by the cut-off device and carries out charge and discharge.

According to one embodiment of present invention, the energy activated institute of the tiny signal is stored in the pre- charge and discharge unit State high frequency oscillation unit control cut-off device.

According to one embodiment of present invention, when the cut-off device is in the state opened, the accumulator is opened by described Disconnected device obtains energy from the pre- charge and discharge unit, when the cut-off device is in disconnected state, the accumulator and the cut-off device It disconnects, the energy obtained from the pre- charge and discharge unit just to have charged to external offer.

According to one embodiment of present invention, when the cut-off device is in the state opened, the accumulator is charging, and works as institute The state that cut-off device is in disconnected is stated, the accumulator is disconnected with the cut-off device, and the accumulator is to external discharge.

According to one embodiment of present invention, it is converted between charging and discharging by the accumulator, until described pre- Energy in charge and discharge unit is complete by output.

According to one embodiment of present invention, the frequency range between the charging accumulator and electric discharge is:20KHz is extremely 10MHz。

According to one embodiment of present invention, it includes a recognition unit, a processing unit that described information, which obtains circuit module, And a communication unit, wherein the recognition unit is suitable for obtaining the information of the tiny signal, wherein the recognition unit, institute It states processing unit and the communication unit connects with being sequentially communicated letter.

According to one embodiment of present invention, the recognition unit will identify that situation reaches the processing unit, the place The result that reason unit is detected after being handled by communication unit transmission.

According to one embodiment of present invention, the processing unit further include an input interface, an output interface, One energy supply interface and a preset program block, wherein the input interface inputs the recognition unit to the preset program block Obtain situation, by the preset program block to obtain situation processing, by the output interface be sent out processing as a result, The wherein described energy supply interface is connected to the high frequency charge and discharge control module of the energy harvesting circuit module.

According to one embodiment of present invention, the preset program block initializes operation under the control of preset program, will The parameter that described information obtains circuit module is configured.

According to one embodiment of present invention, by the parameter of the tiny signal to being obtained in the input interface, The preset program block is called and carries out certain operation, and outside is transmitted to finally by the output interface.

According to one embodiment of present invention, the rectification unit is diode rectifier circuit.

According to one embodiment of present invention, the pre- charge and discharge unit is capacitor or capacitor group.

According to one embodiment of present invention, the accumulator is inductance or inductance group.

According to one embodiment of present invention, the frequency of oscillation of the high frequency oscillation unit is ranging from:20KHz is extremely Between 10MHz.

Other side under this invention, the present invention further provides a tiny signal detection methods, which is characterized in that packet Include following steps:

I. energy harvesting is carried out to the tiny signal;

II. acquisition of information is carried out to the tiny signal;And

III. the information of the tiny signal is handled.

According to one embodiment of present invention, before step I, further comprise step:

Obtain a tiny signal.

According to one embodiment of present invention, the energy of the information access process of the tiny signal is come in step II Source is energy acquired in step I.

According to one embodiment of present invention, step I and step II simultaneously start, in the energy for exporting the tiny signal Acquisition of information while amount for the tiny signal provides energy support.

According to one embodiment of present invention, step I further comprises step:

I.1 extend the time existing for the energy of the small pulse.

According to one embodiment of present invention, it is that the energy time provided in step II is more than the energy of the tiny signal Existence time.

According to one embodiment of present invention, step II further comprises step:

II.1 obtains the parameter of the tiny signal, wherein the parameter of the tiny signal is selected from combination:Signal generation, arteries and veins It is wide, one or more in polarity.

According to one embodiment of present invention, step III further comprises step:

III.1 generates specific coding information under program control.

According to one embodiment of present invention, include further step after step III:

IV exports testing result.

According to one embodiment of present invention, step IV is by the way of wireless transmission.

Other side under this invention, the present invention further provides an energy harvesting circuit modules, which is characterized in that packet It includes:

One pre- storage module;With

One high frequency charge and discharge control module, wherein the pre- storage module temporarily stores the energy of a tiny signal, wherein The high frequency charge and discharge control module obtains pre- storage mould energy in the block, and the high frequency charge and discharge control module is with certain frequency Mode exports energy, wherein the high frequency charge and discharge control module is controlled with the adjustable mode of pulse width and exported described small The energy of signal, wherein the high frequency charge and discharge control module include a control unit, a high frequency oscillation unit, an execution unit with And a feedback unit, it is wherein connected to described control unit controllable frequency the high frequency oscillation unit, wherein the high frequency Oscillating unit is connected to the execution unit with can control the operating frequency of the execution unit, wherein the execution unit is from institute It states pre- storage module and obtains energy, and the output of operating energy, wherein the energy that the feedback unit exports the execution unit Amount is monitored, and feeds back to described control unit, to form closed-loop control.

According to one embodiment of present invention, the execution unit includes a cut-off device and an accumulator, wherein described open Disconnected utensil has an open state and a disconnected state, the frequency of cut-offfing of the cut-off device to be controlled by the high frequency oscillation unit, wherein The accumulator for repeated charge externally exports energy.

According to one embodiment of present invention, the energy of the tiny signal is stored in the pre- charge and discharge unit, it is described High frequency oscillation unit control cut-off device is in the state opened or broken.

According to one embodiment of present invention, when the cut-off device is in the state opened, the accumulator is opened by described Disconnected device obtains energy from the pre- charge and discharge unit, when the cut-off device is in disconnected state, the accumulator and the cut-off device It disconnects, the energy obtained from the pre- charge and discharge unit just to have charged to external release.

According to one embodiment of present invention, when the cut-off device is in the state opened, the accumulator is charging, and works as institute The state that cut-off device is in disconnected is stated, the accumulator is disconnected with the cut-off device, and the accumulator is to external discharge.

According to one embodiment of present invention, it is converted between charging and discharging by the accumulator, until described pre- Energy in charge and discharge unit is complete by output.

According to one embodiment of present invention, the time of the high frequency charge and discharge control module output energy is more than described small Time of the signal to the energy harvesting circuit module input energy.

Description of the drawings

It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings Obtain other attached drawings.

Fig. 1 is the flow diagram of tiny signal detection according to a preferred embodiment of the present invention;

Fig. 2 is the block schematic illustration of the tiny signal detection device of above preferred embodiment according to the present invention;

Fig. 3 is the circuit diagram of the tiny signal detection device of above preferred embodiment according to the present invention;

Fig. 4 is the block schematic illustration of the tiny signal detection device of above preferred embodiment according to the present invention;

Fig. 5 is the circuit diagram of the tiny signal detection device of above preferred embodiment according to the present invention;

Fig. 6 is the flow diagram of the tiny signal detection method of above preferred embodiment according to the present invention;

Fig. 7 A are the tiny signal oscillograms of above preferred embodiment according to the present invention;

Fig. 7 B be capacitor according to above-mentioned tiny signal the oscillogram of charge and discharge and steady according to above-mentioned tiny signal tradition Corrugating figure;

Fig. 7 C are the oscillograms that the high frequency charge and discharge control module exports voltage stabilizing according to above-mentioned tiny signal;

Fig. 8 is the circuit diagram of the tiny signal detection device of above preferred embodiment according to the present invention.

Specific implementation mode

It is described below for disclosing the present invention so that those skilled in the art can realize the present invention.It is excellent in being described below Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.It defines in the following description The present invention basic principle can be applied to other embodiments, deformation scheme, improvement project, equivalent program and do not carry on the back Other technologies scheme from the spirit and scope of the present invention.

It will be understood by those skilled in the art that the present invention exposure in, term " longitudinal direction ", " transverse direction ", "upper", The orientation or position of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, rather than Indicate or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore above-mentioned Term is not considered as limiting the invention.

It is understood that term " one " is interpreted as " at least one " or " one or more ", i.e., in one embodiment, The quantity of one element can be one, and in a further embodiment, the quantity of the element can be multiple, and term " one " is no It can be interpreted as the limitation to quantity.

The present invention provides a tiny signal detection device and its method, is detected to an at least tiny signal, extremely such as Fig. 1 Shown in Fig. 8, meaning and action that the tiny signal is characterized further are understood.

As shown in Figure 1, detection method includes the following steps for the tiny signal:

I. energy harvesting is carried out to the tiny signal;

II. acquisition of information is carried out to the tiny signal;And

III. the information of the tiny signal is handled.

More, after step III, include further:

IV. testing result is exported.

More, before step I, include further:

Obtain the tiny signal.

More, after obtaining the tiny signal, include further:

Tiny signal described in pre-identification.

It is noted that being step I for the energy source of the information access process of the tiny signal in step II In acquired energy.That is, in terms of being used in acquisition of information in terms of the energy of the tiny signal, fully by institute Tiny signal is stated to be parsed and utilized.Certainly, the energy of the tiny signal can also be output to according to different requirements, Other loads.More, above-mentioned step I and step II can simultaneously start, and export the energy of the tiny signal Simultaneously energy support is provided for the acquisition of information of the tiny signal.

It should be noted that the tiny signal of involved application is primarily referred to as faint dynamic of energy comparison in the present invention Make signal, especially by taking pulse signal as an example, the source of the tiny signal can be that capacitor spark generation or coil Induction generation or micro cell, which discharge, to be generated or is generated by static discharge or generated by piezo-electric crystal or by temperature Difference is generated or is generated by the device of other generating power.That is, the tiny signal is to happen suddenly, is uncontrolled, very To being single.Two kinds of speciality that described tiny signal itself has, one is entrained energy, and one is the letters of carrying Breath, wherein entrained energy can learn that entrained information needs the amplitude to signal, width etc. by energy intensity It waits the Parameter statistical analysis of electrical properties and obtains.

More specifically, first, capturing a tiny signal, that is to say, that extraction needs the object detected in the detection.Then, Tiny signal described in pre-identification does the tiny signal preliminary judgement.Such as, if detect targeted carrying for this The signal of faint energy avoids excessive impact to single unit system or side to ensure validity and the safety of follow-up function Method generates destructive influences.Then, start to the tiny signal carry out energy harvesting, and start to the tiny signal into Row information obtains.Because the energy existence time of the tiny signal is very of short duration, energy harvesting is carried out to the tiny signal When need extend energy existence time, with ensure output energy validity.The energy being extended is utilized and the small letter Number acquisition of information in, for obtain completely, effectively information provides the support on the energy.Later, to the described micro- of acquisition The information of small signal carries out subsequent processing.As needed, transmission testing result to other terminals conduct further analysis. In a kind of feasible embodiment, the information of the tiny signal is further encoded, and then to other-end or analysis end The information being encoded is provided, to improve the efficiency of transmission.

Because the energy in the tiny signal is acquired, and is further used in information by mode existing for extension In acquisition, so providing time enough for the acquisition of information of the tiny signal, can fully it identify described small The design parameter of signal.This improves the transmission bandwidth of data, the mistake that the information in the tiny signal is transmitted ensure that The reliability of journey.Furthermore it is possible to repeatedly transmit or communicate, the bit error rate is reduced, ensures the information transmission of the tiny signal Accuracy, and then obtain the action meaning representated by the small information.More, can be by wireless telecommunications, it will be described The information of tiny signal reaches other-end, facilitates subsequent operation and deciphering.

The theory structure signal of the tiny signal detection device is as shown in Figures 2 to 5.The tiny signal detection device Including an energy harvesting circuit module 10 and an acquisition of information circuit module 20, wherein the energy harvesting circuit module 10 is suitable for Energy is obtained from the tiny signal and extends energy existence time, is provided energy to described information and is obtained circuit module 20.Institute It states acquisition of information circuit module 20 and obtains information from the tiny signal, for analyzing the meaning representated by the tiny signal. The tiny signal is respectively to access the energy harvesting circuit module 10 and described information acquisition circuit module 20, also It is to say, the tiny signal obtains circuit module 20 by the energy harvesting circuit module 10 and described information and simultaneously utilizes. The energy of the tiny signal is extended by the energy harvesting circuit module 10, and described information is supplied to obtain circuit mould Block 20 obtains the information of the tiny signal so that the complete information data of the tiny signal is transmitted.

More, the energy harvesting circuit module 10 includes further a pre- storage module 11 and high frequency charge and discharge control Module 12, the high frequency charge and discharge control module 12 are connected to the pre- storage module 11 so that described in the tiny signal passes through Pre- module 11 of storing up obtains the existing extension of energy in turn into the high frequency charge and discharge control module 12 later.The small information Energy is proactively stored by the pre- storage module 11, then by the high frequency charge and discharge control module 12 with certain voltage and frequency Externally carry out the output of energy.Pass through the advance storage of the pre- storage module 11, it is ensured that the energy of the tiny signal is not It is lost in.In turn, by the high frequency charge and discharge control module 12 can be as desired form use energy, rather than will preserve Energy promptly discharge, avoid the disappearance of the energy moment of the tiny signal.The high frequency charge and discharge control module 12 is from institute It states in pre- storage module 11 and obtains energy, obtaining circuit module 20 to described information carries out energy output.Therefore, the high frequency charge and discharge Control module 12 can also control the time of energy output other than the form exported to energy can control, that is, extend Time existing for the energy of the tiny signal.Certainly, for the energy existence time after extending, output can also be passed through Situation is known and is fed back.

Preferably, in the preferred embodiment, the high frequency charge and discharge control module 12, which exports energy to described information, obtains Sense circuit module 20 obtains circuit module 20 for described information and provides the energy, as shown in Figure 2.That is, the energy harvesting The energy harvesting of the tiny signal is carried out the output of extension property by circuit module 10, provides the effect of voltage stabilizing to be provided to Subsequent load.It will be appreciated by those skilled in the art that the energy of the energy harvesting circuit module 10 comes from institute Tiny signal is stated, and output form that can be in different forms is exported, output to described information obtains in this preferred embodiment Circuit module 20 is a kind of preferred scheme.Be not tiny signal described in requirement energy be centainly used for described information acquisition Circuit module 20.

As shown in figure 3, the high frequency charge and discharge control module 12 can export energy to a Several Typical Load.

It is noted that after the tiny signal of input disappears, the tiny signal detection device remains to tie up That holds continues to transmit by testing result.Preferably, it is at least sent out primary.The high frequency charge and discharge control module output energy Time is more than the time that small pulse energy is inputted to the energy harvesting circuit module.

The high frequency charge and discharge control module 12 obtains the energy of the tiny signal continuously among the pre- storage module 11, PWM voltages are exported with certain high-frequency, and then complete the extension of the tiny signal energy existence time.Pass through the high frequency Charge and discharge control module 12, the voltage that the energy of the tiny signal is exported can be controlled.Preferably, the high frequency charge and discharge control 12 output voltage of molding block controllably exports in the range of 1.2V to 9V, and it is direct current to export.That is, described The energy of the tiny signal is kept in pre- storage module 11, the high frequency charge and discharge control module 12 is from the pre- storage module Energy is discontinuously obtained in 11, the mode that pulse width is modulated is used in combination to be exported, then the time of output energy can be by Ensure, and the voltage exported can also be controlled by FREQUENCY CONTROL.

Further, the high frequency charge and discharge control module 12 includes a control unit 121, a high frequency oscillation unit 122, one Execution unit 123 and a feedback unit 124, are wherein connected to the high frequency vibrating to 121 controllable frequency of described control unit Unit 122 is swung, wherein the high frequency oscillation unit 122 can control the operating frequency of the execution unit 123, wherein the execution Unit 123 obtains energy, and the output of operating energy from the pre- storage module 11 so that the execution unit 123 controls described The energy of tiny signal completes the extension to the tiny signal energy with certain frequency output voltage.The feedback The energy that unit 124 further exports the execution unit 123 is monitored, and output voltage situation is fed back to institute Control unit 121 is stated, to form closed-loop control.That is, the execution unit 123 is by 122 institute of the high frequency oscillation unit Control obtains energy and output energy.The high frequency charge and discharge control module 12 using certain frequency is obtained and is exported, and completion can The PWM voltage output modes of control.

It is noted that described control unit 121 is by the FREQUENCY CONTROL to the high frequency oscillation unit 122, in turn It realizes and the frequency switching of the execution unit 123 is controlled.The preferred range of frequency of oscillation of the high frequency oscillation unit 122 For:20KHz is between 10MHz.The feedback unit 124 is preferably acquired the output voltage of the execution unit 123 And it feeds back.Certainly, it is optimal directly to acquire voltage value that the execution unit 123 is exported and frequency values, but can also By the way that the execution unit 123, indirectly acquisition obtains the value that can directly feed back.That is, for the high frequency charge and discharge For control module 12, frequency of oscillation variable in order to control, output voltage and frequency are output quantity.Because of described control unit 121 It can implement to close the border control, for the whole high frequency oscillation unit 122, electricity that the execution unit 123 is exported Pressure is sufficiently stable, so facilitate energy by directly with.More, output voltage values are preferably 1.2V to 9V.It is preferred that Ground, the execution unit 123 can be the buffering switch relative to the pre- storage module 11 and power load.Because of the high frequency Acquisition and externally output of the charge and discharge control module 12 for the pre- storage module 11, the existence time of the energy of the tiny signal It is inductively coupled to ground to 2 to 10 times.

More, the execution unit 123 of the high frequency oscillation unit 12 further provides a filter, for output Energy be filtered so that the energy of output shows as DC voltage.

Preferably, the high frequency charge and discharge control module 12 is integrally packaged in circuit.In other words, described control unit 121, the high frequency oscillation unit 122, the execution unit 123 and the feedback unit 124 are arranged at a circuit board.It is logical Subsequent encapsulation and protection are crossed, the high frequency charge and discharge control module 12 can also be manufactured integrally.Preferably, pass through SOC (System-on-a-Chip) it encapsulates.

More specifically, as shown in figure 3, the pre- storage module 11 includes further a rectification unit 111 and a pre- charge and discharge Unit 112, wherein the rectification unit 111 receives the tiny signal, wherein the preliminary filling puts unit 112 by the rectification list Energy storage after first 111 rectifications, and wait for and being obtained by the high frequency charge and discharge control module 12.The high frequency charge and discharge control module 12 high frequency oscillation unit 122 is by energy activated stored by the pre- charge and discharge unit 112, to the high frequency charge and discharge control Molding block 12 is started to work.The high frequency oscillation unit 122 is with the switch of execution unit 123 described in certain FREQUENCY CONTROL.And The frequency of the high frequency oscillation unit 122 is controlled by described control unit 121.According to the voltage request of predetermined output, and Output that the feedback unit 124 is fed back as a result, described control unit 121 to the frequency of the high frequency oscillation unit 122 Rate carries out closed-loop control so that the output voltage of the high frequency charge and discharge control module 12 keeps certain stabilization.That is, institute It states pre- storage module 11 and the energy of the tiny signal is temporarily stored into the charge and discharge unit 112, the high frequency charge and discharge control module 12 Energy is obtained from diagram A points, energy is exported in such a way that PWM is voltage-controlled to B points.The charge and discharge unit 112 further may be used To provide antihypertensive effect, for more directly energy storage.

Particularly, in the preferred embodiment, the execution unit 123 includes specifically a cut-off device 1231 and an energy storage Device 1232, wherein there is the cut-off device 1231 open state and a disconnected state, the cut-off device 1231 to cut-off frequency by institute It states high frequency oscillation unit 122 to be controlled, wherein the accumulator 1232 for repeated charge externally exports energy.In other words It says, after being stored with the energy of the tiny signal in the pre- charge and discharge unit 112, the high frequency oscillation unit 122 starts to control The state of cut-off device 1231 processed opened or broken.When the cut-off device 1231 is in the state opened, the accumulator 1232 passes through The cut-off device 1231 obtains energy from the pre- charge and discharge unit 112, that is to say, that the accumulator 1232 is charging.When described Cut-off device 1231 is in disconnected state, and the accumulator 1232 is disconnected with the cut-off device 1231, and release outward has just been charged The energy obtained from the pre- charge and discharge unit 112, that is to say, that the accumulator 1232 is discharging.Above-mentioned charge and discharge it Between frequency be preferably to be carried out at high speed, preferably frequency is ranging from:20KHz to 10MHz.Pass through the charge and discharge of the accumulator 1232 Electricity so that the energy of output is exported with certain frequency, until the energy in the pre- charge and discharge unit 112 is acquired completely. The voltage that the accumulator 1232 is exported not only is controlled, but also can directly be used according to demand.

Preferably, the rectification unit 111 is BT rectification circuits.Namely diode rectifier circuit.

Preferably, the pre- charge and discharge unit 112 is capacitor or capacitor group.

Preferably, the accumulator is inductance or inductance group.More, it is that output energy is filtered to provide a capacitor C2 Wave.

For convenience of description, a tiny signal shown in oscillogram in Fig. 7 A is taken to do with explanation here.It is inputted when at the end e1, e2 One tiny signal.Such as the voltage amplitude of the tiny signal is 10V, pulse existence time is 1.2ms.It is described small Signal can be single positive pulse, can also be positive negative pulse stuffing.Often input 10 1 pulses, the tiny signal detection device It will work primary or multiple.The tiny signal is whole by 111 rectification of the rectification unit, that is, BT impulse commutation units Stream.After rectification, start to charge to the pre- charge and discharge unit 112, that is, capacitor C1 chargings.In this preferred embodiment, capacitance There are two effect, decompression and energy storage for device, have the tiny signal punching of high voltage to charge capacitor C1, in capacitor C1 Both end voltage drop to 4-5V or so, charging and discharging curve is shown in Fig. 7 B.The electric energy stored in capacitance C is by the height in the present invention After frequency charge and discharge control module 12, B points in figure 3 can the longer maintenance pulse of output time.When the situation that input pulse is constant Under, after the high frequency charge and discharge control module 12, energy existence time is extended to 15.6ms.Input different types of arteries and veins Punching, the energy existence time after the high frequency charge and discharge control module 12 can reach the 2-10 using traditional voltage-stabilizing device Times.After the time existing for the pulse is extended, so that it may to send more data, to have higher data bandwidth, reliably Property, error correction rate are more preferable.The pulse electric energy existing for the B points output short time of the high frequency charge and discharge control module 12, this pulse electricity Can as seen in figure 7 c, the time that existence time inputs the tiny signal in contrast to the end e1, e2 will extend several times, described small Signal provides electric energy to load.

More, as shown in Figure 4 and Figure 5, it includes a recognition unit 21 that described information, which obtains circuit module 20, and a processing is single Member 22 and a communication unit 23.The recognition unit 21 is suitable for obtaining the information of the tiny signal.The recognition unit 21, The processing unit 22 and the communication unit 23 connect with being sequentially communicated letter.The recognition unit 21 receives the small letter Number, the recognition unit 21 will identify that situation further reaches the processing unit 22, and the processing unit 22 is handled Afterwards by the result of the transmission detection of the communication unit 23.In addition, the processing unit 22 includes further an input interface 221, an output interface 222, one energy supply interface 223 and a preset program block 224.The input interface 221 makes a reservation for described Program block 224 inputs the acquisition situation of the recognition unit 21, the processing by the preset program block 224 to acquisition situation, By the output interface 222 be sent out processing as a result, namely to the information monitoring result of the tiny signal.It is described pre- Determine program block 224 and initialize operation under the control of preset program, the parameter that described information is obtained to circuit module 20 is matched It sets.By the parameter of the tiny signal to being obtained in the input interface 221, the preset program block 224 is called And certain operation is carried out, it is transmitted to outside finally by the output interface 222.

It is noted that the energy supply interface 223 of the processing unit 22, which is the preset program block 224, provides energy Support on source.In the preferred embodiment, the energy supply interface 223 is connected to the institute of the energy harvesting circuit module 10 High frequency charge and discharge control module 12 is stated, stable energy is obtained from the execution unit 123 of the high frequency charge and discharge control module 12 Amount.And the energy that the execution unit 123 exports is stored from the tiny signal by the pre- storage module 11. That is being used in the acquisition of information aspect of the tiny signal in terms of the energy of the tiny signal.Moreover, described in The time of the extension of high frequency charge and discharge control module 12,22 obtained energy of the processing unit is also extended.For will be described It is very crucial that tiny signal completely transmits in turn.

It needs to send the digital information of 15 byte for example, described information obtains circuit module 20, transmission rate is 40Kbps, transmission power 10mW, it is 20mA that described information, which obtains the average current under the condition of power supply of 3V of circuit module 20,.Such as Fruit inputs the tiny signal of one 0.0002 joule of impulse type, if power pack can only using traditional voltage-stabilizing device The electric energy that about 2.6ms is provided for described information acquisition circuit module 20 is held time, and 40*2.6=104bit is only capable of sending The data of 104bit obviously can not send the data of 15 bytes using traditional voltage-stabilizing device.But if described information obtains Circuit module 20 extends the power-on time of the tiny signal using the high frequency charge and discharge control module 12, extremely by time lengthening 15.8ms, then 15.8*40=632bit=79 bytes can be sent.Described information obtains circuit module 20 can be by data Transmitting is repeated several times, until data are completely sent.

Specifically, as shown in figure 5, in the preferred embodiment, the communication module 23 uses wireless communication module, also It is by ATN1.Correspondingly, corresponding wireless communication module is provided in other terminal, that is, by ATN2, to connect Receive the testing result that the communication module 23 is sent out.It should be noted that being to be wirelessly connected between ATN1 and ATN2.Here For convenience of description, it is 23A to define the reception wireless communication unit in other terminal, and the unit of correspondingly received processing is handled for reception Unit 22A.It will be appreciated by those skilled in the art that the wireless communication unit 23A differs with the communication unit 23 It is scheduled in structure and is consistent, and need the wireless communication unit 23A that can receive the number that the communication unit 23 is launched According to.The reception processing unit 22A, which also differs, to be consistent due to the processing unit 22 in structure.More, the nothing Line communication unit 23A may be two or more, then by one or corresponding multiple reception processing unit 22A into Row further is handled and is analyzed.

A kind of feasible circuit of this preferred embodiment is as shown in Figure 5.For the tiny signal energy harvesting in terms of, The rectification unit 111 receives the tiny signal that is inputted at the end e1, e2, wherein the preliminary filling put unit 112 will be described whole The energy storage after 111 rectification of unit is flowed, and waits for and being obtained by the high frequency charge and discharge control module 12.The high frequency charge and discharge control The high frequency oscillation unit 122 of module 12 is by energy activated stored by the pre- charge and discharge unit 112, to which the high frequency fills Put the start-up operation of control module 12.The high frequency oscillation unit 122 is opened with execution unit 123 described in certain FREQUENCY CONTROL It closes.And the frequency of the high frequency oscillation unit 122 is controlled by described control unit 121.It is deposited when in the pre- charge and discharge unit 112 After the energy for containing the tiny signal, the high frequency oscillation unit 122 starts to control the shape of cut-off device 1231 opened or broken State.When the cut-off device 1231 is in the state opened, the accumulator 1232 is by the cut-off device 1231 from the pre- charge and discharge Unit 112 obtains energy, that is to say, that the accumulator 1232 is charging.When the cut-off device 1231 is in disconnected state, institute Accumulator 1232 and the cut-off device 1231 is stated to disconnect, what what release had just been charged outward obtained from the pre- charge and discharge unit 112 Energy, that is to say, that the accumulator 1232 is discharging.Frequency between above-mentioned charge and discharge is preferably to be carried out at high speed, Preferably ranging from:20KHz to 10MHz.Pass through the charge and discharge of the accumulator 1232 so that the energy of output is with certain frequency Rate is exported, until the energy in the pre- charge and discharge unit 112 is acquired completely.According to the voltage request of predetermined output, and Output that the feedback unit 124 is fed back as a result, described control unit 121 to the frequency of the high frequency oscillation unit 122 Rate carries out closed-loop control so that the output voltage of the high frequency charge and discharge control module 12 keeps certain stabilization.And provide a storage Energy filter condenser C2, filtering is provided for the energy of output.That is, the pre- storage module 11 is by the energy of the tiny signal Amount is temporarily stored into the charge and discharge unit 112, and the high frequency charge and discharge control module 12 obtains energy from diagram A points, to B points with PWM electricity The mode of voltage-controlled system exports energy.As shown in figure 8, the physical circuit signal such as figure institute of a kind of high frequency charge and discharge control module 12 Show.The high frequency oscillation unit 122 carries out the cut-off device 1231 of the execution unit 123 the switch control of certain frequency System.The charging and discharging that the electric energy that the accumulator 1232 inputs the pre- storage module 11 carries out repeatedly operate.Preferably, it carries For a sustained diode and an energy storage filter condenser C2 and then improve circuit.

For the acquisition of information aspect of the tiny signal, the recognition unit 21 receives the tiny signal, the knowledge Other unit 21 will identify that situation further reaches the processing unit 22.It should be noted that the resistance R in diagram is current limliting Resistance.The recognition unit 21 inputs obtaining for the recognition unit 21 from the input interface 221 to the preset program block 224 Situation is taken, the processing by the preset program block 224 to acquisition situation is sent out processing by the output interface 222 As a result, namely to the information monitoring result of the tiny signal.The preset program block 224 is first under the control of preset program Beginningization is run, and the parameter that described information is obtained to circuit module 20 configures.By to obtaining in the input interface 221 The parameter of the tiny signal, the preset program block 224 is called and carries out certain operation, finally by the output Interface 222 is transmitted to the communication unit 23.The data that the wireless communication unit 23A of other terminal device will be received Send the internal reception processing unit 22A to, which undertakes the function of interface circuit, the ends I/O Mouth can export as needed the data received or by the data conversion received at level to control other equipment. Preferably, the I/O mouths for receiving processing unit 22A output data to terminal computer processing, or directly to driving device With level command.Preferably, power supply is provided with more DC-DC voltage-stabilizing devices for the reception processing unit 22A circuits to support, it will The voltage of input is converted into being suitble to the voltage for receiving processing unit 22A work.

As shown in fig. 6, a kind of flow and method of the tiny signal detection device such as schemes to illustrate.The tiny signal is divided into Two-way obtains information and energy.More specifically, the pre- storage module 11 can carry out in advance the tiny signal Storage, the high frequency charge and discharge control module 12 export the energy of the tiny signal continuously among the pre- storage module 11.Separately Outside, the identification module 21 is acquired the information of the tiny signal, and the processing module is transferred to be handled, and passes through The communication unit 23 is sent to outside, finally exports the testing result of the tiny signal.It is noted that the high frequency Charge and discharge control module 12 by the energy of the tiny signal into line delay, the energy that is delayed by be conveyed to the processing unit 22 with The communication unit 23 is allowed to start to work." recognition unit 21 " this unit can also be dispensed in some embodiments, But energy when directly pulse signal can be utilized to input drives the communication module 23 to transmit preset signal.

It should be understood by those skilled in the art that the embodiment of the present invention shown in foregoing description and attached drawing is only used as illustrating And it is not intended to limit the present invention.The purpose of the present invention has been fully and effectively achieved.The function and structural principle of the present invention exists It shows and illustrates in embodiment, under without departing from the principle, embodiments of the present invention can have any deformation or modification.

Claims (47)

1. a tiny signal detection device, which is characterized in that including:
One energy harvesting circuit module comprising a pre- storage module and a high frequency charge and discharge control module, wherein the pre- storage module The energy of one tiny signal is temporarily stored, wherein the high frequency charge and discharge control module obtains pre- storage mould energy in the block Amount, the high frequency charge and discharge control module are exported energy in a manner of certain frequency;With
One acquisition of information circuit module, wherein the high frequency charge and discharge control module, which provides energy to described information, obtains circuit mould Block, wherein described information obtain circuit module and obtain information from the tiny signal to obtain the detection knot of the tiny signal The testing result of the tiny signal is transmitted by fruit.
2. tiny signal detection device according to claim 1, wherein the high frequency charge and discharge control module is from the pre- storage Module discontinuously obtains energy, wherein the high frequency charge and discharge control module carries out output energy with controllable voltage mode.
3. tiny signal detection device according to claim 2, wherein the energy harvesting circuit module is suitable for from described Tiny signal obtains energy, extends energy existence time by way of being interrupted and exporting.
4. tiny signal detection device according to claim 3, wherein high frequency charge and discharge control module output energy Time is more than time of the tiny signal to the energy harvesting circuit module input energy.
5. tiny signal detection device according to claim 2, wherein high frequency charge and discharge control module control is described micro- The energy of small signal is with certain frequency output voltage.
6. tiny signal detection device according to claim 5, wherein the high frequency charge and discharge control module pulse width Adjustable mode controls and exports the energy of the tiny signal.
7. tiny signal detection device according to claim 5, wherein the high frequency charge and discharge control module includes a control Unit, a high frequency oscillation unit, an execution unit and a feedback unit, wherein connect to described control unit controllable frequency In the high frequency oscillation unit, wherein the high frequency oscillation unit is connected to institute with can control the operating frequency of the execution unit Execution unit is stated, wherein the execution unit obtains energy, and the output of operating energy from the pre- storage module, wherein described anti- The energy that feedback unit exports the execution unit is monitored, and feeds back to described control unit, to form closed-loop control.
8. tiny signal detection device according to claim 7, wherein the feedback unit is to the defeated of the execution unit Go out voltage to be acquired and feed back.
9. tiny signal detection device according to claim 8, wherein the feedback unit exports the execution unit Voltage be acquired and feed back.
10. tiny signal detection device according to claim 8, wherein the execution unit is relative to the pre- storage mould The buffering of block and power load switchs.
11. tiny signal detection device according to claim 8, wherein described control unit, the high frequency oscillation unit, The execution unit and the feedback unit are arranged at a circuit board.
12. tiny signal detection device according to claim 11, wherein the high frequency charge and discharge control module is by integrally Encapsulation.
13. tiny signal detection device according to claim 11, wherein the high frequency charge and discharge control module passes through SOC (System-on-a-Chip) it encapsulates.
14. tiny signal detection device according to claim 8, wherein the pre- storage module includes further a rectification Unit and a pre- charge and discharge unit, wherein the rectification unit receives the tiny signal, wherein the preliminary filling put unit will be described Energy storage after rectification unit rectification, and wait for and being obtained by the high frequency charge and discharge control module.
15. tiny signal detection device according to claim 14, wherein the height of the high frequency charge and discharge control module Frequency oscillating unit is by energy activated stored by the pre- charge and discharge unit.
16. tiny signal detection device according to claim 15, wherein the execution unit includes a cut-off device and one Accumulator, wherein there is the cut-off device open state and a disconnected state, the cut-off device to cut-off frequency by the high frequency vibrating It swings unit to be controlled, wherein the accumulator is controlled by the cut-off device and carries out charge and discharge.
17. tiny signal detection device according to claim 16, wherein the preliminary filling put be stored in unit it is described micro- The energy activated high frequency oscillation unit of small signal controls cut-off device.
18. tiny signal detection device according to claim 16, wherein when the cut-off device is in the state opened, it is described Accumulator obtains energy by the cut-off device from the pre- charge and discharge unit, when the cut-off device is in disconnected state, the storage Energy device is disconnected with the cut-off device, the energy from the pre- charge and discharge unit acquisition just to have charged to external offer.
19. tiny signal detection device according to claim 16, wherein when the cut-off device is in the state opened, it is described Accumulator is charging, and when the cut-off device is in disconnected state, the accumulator is disconnected with the cut-off device, the accumulator pair External discharge.
20. tiny signal detection device according to claim 19, wherein by the accumulator in charging and discharging Between convert, until the energy in the pre- charge and discharge unit is complete by output.
21. tiny signal detection device according to claim 19, wherein the frequency between the charging accumulator and electric discharge Rate is ranging from:20KHz to 10MHz.
22. it includes a knowledge that tiny signal detection device according to claim 16, wherein described information, which obtain circuit module, Other unit, a processing unit and a communication unit, wherein the recognition unit is suitable for obtaining the information of the tiny signal, Described in recognition unit, the processing unit and the communication unit connect with being sequentially communicated letter.
23. tiny signal detection device according to claim 22, wherein the recognition unit will identify that situation reaches institute State processing unit, the result that the processing unit is detected after being handled by communication unit transmission.
24. tiny signal detection device according to claim 22, wherein the processing unit includes further one defeated Incoming interface, an output interface, an an energy supply interface and preset program block, wherein the input interface is to the preset program block The acquisition situation for inputting the recognition unit, the processing by the preset program block to acquisition situation, by the output interface Be sent out processing as a result, the wherein described energy supply interface is connected to the high frequency charge and discharge of the energy harvesting circuit module Control module.
25. tiny signal detection device according to claim 24, wherein control of the preset program block in preset program The lower initialization operation of system, the parameter that described information is obtained to circuit module configure.
26. tiny signal detection device according to claim 24, wherein passing through the institute to being obtained in the input interface The parameter of tiny signal is stated, the preset program block is called and carries out certain operation, finally by the output interface It is transmitted to outside.
27. tiny signal detection device according to claim 24, wherein the rectification unit is diode rectifier circuit.
28. tiny signal detection device according to claim 24, wherein it is capacitor or capacitance that the preliminary filling, which puts unit, Device group.
29. tiny signal detection device according to claim 24, wherein the accumulator is inductance or inductance group.
30. tiny signal detection device according to claim 24, wherein the frequency of oscillation of the high frequency oscillation unit Ranging from:20KHz is between 10MHz.
31. a tiny signal detection method, which is characterized in that include the following steps:
I. energy harvesting is carried out to a tiny signal;
II. acquisition of information is carried out to the tiny signal;And
III. the information of the tiny signal is handled.
32. tiny signal detection method according to claim 31 further comprises step before step I:
Obtain the tiny signal.
33. tiny signal detection method according to claim 31, for the letter of the tiny signal in wherein step II The energy source of acquisition process is ceased for energy acquired in step I.
34. tiny signal detection method according to claim 31, wherein step I and step II simultaneously start, defeated Acquisition of information while going out the energy of the tiny signal for the tiny signal provides energy support.
35. tiny signal detection method according to claim 33, wherein step I further comprise step:
I.1 extend the time existing for the energy of the small pulse.
36. tiny signal detection method according to claim 35, wherein being more than for the energy time provided in step II The energy existence time of the tiny signal.
37. tiny signal detection method according to claim 35, wherein step II further comprise step:
II.1 obtains the parameter of the tiny signal, wherein the parameter of the tiny signal is selected from combination:Signal generation, pulsewidth, It is one or more in polarity.
38. tiny signal detection method according to claim 35, wherein step III further comprise step:
III.1 generates specific coding information under program control.
39. tiny signal detection method according to claim 35 includes further step after step III:
IV exports testing result.
40. tiny signal detection method according to claim 39, wherein step IV are by the way of wireless transmission.
41. an energy harvesting circuit module, which is characterized in that including:
One pre- storage module;With
One high frequency charge and discharge control module, wherein the pre- storage module temporarily stores the energy of a tiny signal, wherein described High frequency charge and discharge control module obtain pre- storage mould energy in the block, the high frequency charge and discharge control module by certain frequency in a manner of Energy is exported, wherein the high frequency charge and discharge control module is controlled with the adjustable mode of pulse width and exports the tiny signal Energy, wherein the high frequency charge and discharge control module include a control unit, a high frequency oscillation unit, an execution unit and one Feedback unit is wherein connected to described control unit controllable frequency the high frequency oscillation unit, wherein the higher-order of oscillation Unit is connected to the execution unit with can control the operating frequency of the execution unit, wherein the execution unit is from described pre- Store up module and obtain energy, and the output of operating energy, wherein feedback unit energy that the execution unit is exported into Row monitoring, and described control unit is fed back to, to form closed-loop control.
42. energy harvesting circuit module according to claim 41, wherein the execution unit includes a cut-off device and one Accumulator, wherein there is the cut-off device open state and a disconnected state, the cut-off device to cut-off frequency by the high frequency vibrating It swings unit to be controlled, wherein the accumulator for repeated charge externally exports energy.
43. energy harvesting circuit module according to claim 41, wherein the preliminary filling put be stored in unit it is described micro- The energy of small signal, the high frequency oscillation unit control cut-off device are in the state opened or broken.
44. energy harvesting circuit module according to claim 41, wherein when the cut-off device is in the state opened, it is described Accumulator obtains energy by the cut-off device from the pre- charge and discharge unit, when the cut-off device is in disconnected state, the storage Energy device is disconnected with the cut-off device, the energy from the pre- charge and discharge unit acquisition just to have charged to external release.
45. energy harvesting circuit module according to claim 41, wherein when the cut-off device is in the state opened, it is described Accumulator is charging, and when the cut-off device is in disconnected state, the accumulator is disconnected with the cut-off device, the accumulator pair External discharge.
46. energy harvesting circuit module according to claim 44, wherein by the accumulator in charging and discharging Between convert, until the energy in the pre- charge and discharge unit is complete by output.
47. tiny signal detection device according to claim 44, wherein the high frequency charge and discharge control module exports energy Time be more than time of the tiny signal to the energy harvesting circuit module input energy.
CN201880000150.9A 2018-02-22 2018-02-22 Tiny signal detection device and its detection method CN108474817A (en)

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