CN105116136A - Signal acquisition device, system and method for biological indicator detection - Google Patents
Signal acquisition device, system and method for biological indicator detection Download PDFInfo
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- CN105116136A CN105116136A CN201510571646.XA CN201510571646A CN105116136A CN 105116136 A CN105116136 A CN 105116136A CN 201510571646 A CN201510571646 A CN 201510571646A CN 105116136 A CN105116136 A CN 105116136A
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Abstract
The invention discloses a signal acquisition device, system and method for biological indicator detection. The system comprises a biological indicator detection device, the signal acquisition device and an intelligent terminal which are connected in sequence, wherein the intelligent terminal comprises a data processing module, an analog-digital conversion module and a power supply module and is also provided with a biological indicator detection module, the signal acquisition device is connected with the intelligent terminal through a data interface, and voltage signals output by the signal acquisition device enter the analog-digital conversion module through the data interface, are converted into digital signals and then enter the data processing module. The signal acquisition device, system and method are suitable for biological indicator detection based on the electrochemical principle, a data acquisition module, the data processing module, a data storage module, a human-computer interaction module and a wireless transmission module are transferred onto the intelligent terminal, biological indicator detection firmware only has a signal transmission function, and hardware cost is reduced to the maximum.
Description
Technical field
The present invention relates to health care facility and field of information processing, be specifically related to the signal pickup assembly, the system and method that detect for Biological indicators.
Background technology
The technology that current intelligent terminal is applied to in-vitro diagnosis field gets more and more, such as blood sugar test, blood glucose meter and intelligent terminal combine, its principle realizing blood sugar test is, blood glucose meter independently completes test, and be transferred on intelligent terminal by test result by wired or wireless mode, intelligent terminal shows testing result as just display screen, or simple analysis management is carried out to result, the connected mode of blood glucose meter and intelligent terminal is mainly by tone frequency channel wire or bluetooth.Blood glucose meter function i ntegration on intelligent terminal, realizes surveying blood sugar by customization intelligent terminal mode by the producer also had.
By the system for detecting blood sugar that blood glucose meter and intelligent terminal couple together by tone frequency channel wire or bluetooth, the steps such as the computing of test result are all completed by blood glucose meter, and blood glucose meter needs with data communication function and independently power supply simultaneously, system complex, blood glucose meter volume is large, operates not convenient; Carry out customization to intelligent terminal to produce, poor universality and cost is higher, cannot cover common mobile phone.
Summary of the invention
In order to solve above-mentioned deficiency of the prior art, the present invention proposes a kind of signal pickup assembly, a kind of a kind of intelligent terminal, physical signs detection system and the method comprising signal pickup assembly and intelligent terminal coordinating signal pickup assembly to use that detect for physical signs, utilize the function that intelligent terminal is powerful, the process of data of physiological index and function of supplying power are transferred on intelligent terminal, simplifies physiological index detector device hardware to greatest extent.
A kind of signal pickup assembly detected for physical signs, comprise signal amplifier and signal transmitting device, the input end of described signal amplifier is connected with physical signs checkout equipment, and output terminal is connected with described signal transmitting device, and the output terminal of described signal transmitting device is connected with intelligent terminal; Or the input end of described signal transmitting device is connected with physical signs checkout equipment, output terminal is connected with described signal amplifier, and the output terminal of described signal amplifier is connected with intelligent terminal.
Further, signal pickup assembly also comprises test paper groove; Described physical signs checkout equipment is physical signs test paper.
Compared with traditional physical signs checkout equipment, the firmware of signal pickup assembly of the present invention is simplified to only has signal transfer functions, thus substantially reduces hardware volume, and be convenient for carrying, suitability is strong.
Second aspect, the invention also discloses a kind of signal pickup assembly with detecting for physical signs with the use of intelligent terminal, comprise data processing module, display screen, also comprise physical signs detector switch, be provided with On/Off two states, when being in opening, the data of physiological index depending on receiver voltage signal form is valid data; When in the closed position, the data of physiological index depending on receiver voltage signal form is invalid data; Analog-signal transitions from described signal pickup assembly is digital signal by analog-to-digital conversion module; Supply module, for described signal pickup assembly is powered; Physical signs detection module; Wherein, described analog-to-digital conversion module is connected with described signal pickup assembly by data-interface with described supply module.
Described data-interface is USB interface or the dock interface of supporting OTG agreement.
Described intelligent terminal is the one in smart mobile phone, panel computer, portable computer.
The processing power that the present invention utilizes intelligent terminal powerful and data acquisition ability, the modules such as the data acquisition had by traditional physical signs checkout equipment, data processing, data storage, man-machine interaction, wireless transmission are transferred on intelligent terminal, high progress gathers original physical signs current signal fast, calculate physical signs, solve that the data acquisition of traditional physiological index detector device is slow and precision is low, and the problem such as data-handling capacity is weak; Utilize the human-computer interaction function of intelligent terminal, solve the problem of traditional physiological index detector device complicated operation; By driving the design of layer to intelligent terminal, utilize the data-interface of USB and so on, intelligent terminal is powered to physiological index detector device, without the need to extra battery, reduce use cost.
The third aspect, present invention also offers a kind of physical signs detection system, comprises described signal pickup assembly and described intelligent terminal, also comprises physical signs checkout equipment, be connected with described signal pickup assembly; Described signal pickup assembly comprises connected signal amplifier and signal transmitting device; Described intelligent terminal comprises analog-to-digital conversion module, supply module, data processing module and display screen, also comprises physical signs detection module and physical signs detector switch; Described signal pickup assembly is connected with described supply module with described analog-to-digital conversion module by data-interface, and the voltage signal that described signal pickup assembly exports enters described data processing module after described analog to digital converter is converted to digital signal.
Physical signs detection system of the present invention, be made up of discrete signal pickup assembly and intelligent terminal, wherein signal pickup assembly can mate with the intelligent terminal of different model or operating system, only needs this intelligent terminal to have physical signs detection module and receives the signal from signal pickup assembly by data-interface simultaneously; This system is easy to use, easily operates, and only plugs small and exquisite signal pickup assembly with the intelligent terminal carried at any time and can use, for patient brings great convenience.
Fourth aspect, present invention also offers a kind of physical signs detection method, comprises the following steps:
Step one, data-interface through intelligent terminal, the data of physiological index that Received signal strength harvester sends; Described data of physiological index obtains in the following manner: physical signs checkout equipment carries out detection generation current signal to sampling sample, current signal is sent to described signal pickup assembly, through signal amplifier and signal transmitting device, be converted to voltage signal, be described data of physiological index;
Step 2, carry out analog to digital conversion to data of physiological index, the digital signal of generation is sent to data processing module and processes;
Step 3, obtain magnitude of voltage corresponding to data of physiological index by digital signal;
Step 4, repeat step one to step 3, obtain the magnitude of voltage of all sampled points in physical signs testing process, obtain reaction signal, reaction signal can be certain numerical value on curve or curve;
Step 5, physical signs detection module calculate physical signs numerical value according to reaction signal, result are shown on a display screen.
Also following steps are provided with before described step one:
Judge whether the physical signs detector switch of intelligent terminal is opened, if so, then make the data-interface of described intelligent terminal be valid data depending on the data of physiological index of receiver voltage signal form; If not, then data of physiological index is invalid data.
The present invention is on existing intelligent terminal hardware basis, by the design to driving layer, realize the transmission to the data of physiological index of voltage signal form, the existing function of intelligent terminal is utilized to process further signal afterwards, make full use of the open performance of intelligent terminal, realize the reception to simulating signal, determination and analysis process.
A kind of physical signs detection method, comprises the following steps:
The current signal generated from physical signs checkout equipment amplifies and the conversion of signal transmitting device through signal amplifier by step one, signal pickup assembly, obtains voltage signal;
Step 2, described voltage signal is sent to intelligent terminal through data-interface; Described intelligent terminal is handled as follows described voltage signal: when data of physiological index is valid data, analog to digital conversion is carried out to the data of physiological index of voltage signal form, the digital signal generated is sent to data processing module process, obtains magnitude of voltage corresponding to data of physiological index by described digital signal;
Step 3, repeat step one to step 2, obtain the magnitude of voltage of all sampled points in physical signs testing process, obtain reaction signal, reaction signal can be certain numerical value on curve or curve; Physical signs detection module calculates physical signs numerical value according to reaction signal, result is shown on a display screen.
The original current signal of physical signs checkout equipment is sent process through amplification and change by the present invention, the voltage signal generated is sent to intelligent terminal by data-interface, function is sent in amplification and the change of a signal pickup assembly stick signal, other are all completed by intelligent terminal as functions such as analog to digital conversion, data processing, physical signs analysis displays, thus greatly simplify the structure of physical signs checkout equipment.
Accompanying drawing explanation
The OTGUSB interface definition figure used in Fig. 1 intelligent terminal embodiment that to be the present invention detect for physical signs;
Fig. 2 is embodiment of the present invention system for detecting blood sugar theory diagram;
Description of reference numerals:
1-5V power supply terminal, 2-D-terminal, 3-D+ terminal, 4-ground terminal.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment 1
For the signal pickup assembly that physical signs detects, the present embodiment gathers for blood glucose signal, which is provided with test paper groove, for placing blood sugar test paper; This device only comprises signal amplifier and signal transmitting device, and both are connected and position is interchangeable, and namely current signal can first carry out amplifying converting voltage signal to again, also first can be converted to voltage through signal transmitting device and amplify; Voltage signal after amplification exports from blood glucose signal harvester and enters follow-up data processing equipment.
In the present embodiment, blood sugar test paper is physical signs checkout equipment, is connected with signal pickup assembly.Concerning signal pickup assembly, only comprise signal amplifier and signal transmitting device, in addition other functional modules such as data processing module, supply module, display device etc. are all omitted, only remain the function of Signal transmissions, simplify hardware to greatest extent, convenient dexterous, applicability is strong.
Embodiment 2
A kind of with physical signs detection signal harvester with the use of intelligent terminal, it is smart mobile phone in the present embodiment, except comprising data processing module, display module, also comprise analog-to-digital conversion module, supply module, analog-to-digital conversion module is used for the simulating signal from signal pickup assembly to be converted to the accessible digital signal of mobile phone, and supply module provides electric energy for signal pickup assembly; Mobile phone needs physical signs is installed and detect APP, for calculating physical signs parameter and result being shown.Drive the design of layer based on to mobile phone, mobile phone is provided with and can be connected with signal pickup assembly and carries out the data-interface of Signal transmissions, such as supports USB interface or the dock interface of OTG (On-The-Go) agreement.As shown in Figure 1, wherein 1 and 4 two terminal is used for powering the definition of OTGUSB interface to signal pickup assembly, and 2,3 two-terminal are connected with analog to digital converter, convert the voltage signal between D+, D-to digital signal.
The voltage signal that transmitter can be sent due to the error checking function of USB regards illegal signals process, make signal cannot arrive analog to digital converter port, therefore by the underlying protocol of amendment smart mobile phone, detect when APP opens in physical signs and close error checking function, voltage signal is transmitted by USB interface.
Utilize the original powerful data processing function of mobile phone and function of supplying power, the data of physiological index sent by signal pickup assembly is further analyzed and processes, and makes physical signs detect the part analyzed and become cell-phone function.Compare traditional physiological detection equipment, more convenient, the detection of some physical signs can be carried out whenever and wherever possible.
Can with signal pickup assembly with the use of be not limited only to smart mobile phone, also comprise the Portable intelligent terminals such as panel computer.
Embodiment 3
A kind of physical signs detection system, still for blood sugar test, as shown in Figure 2, be made up of blood sugar test paper, signal pickup assembly, smart mobile phone three part, blood sugar test paper adopts with signal pickup assembly and is electrically connected, and signal pickup assembly is connected by OTGUSB interface with smart mobile phone.
Blood sugar test paper comprises reaction zone and electrode, and faint electric signal is sent to signal pickup assembly, send as after voltage signal, be sent to smart mobile phone and be further processed through amplification and change.Before or after wherein signal amplifier can be positioned at signal transmitting device, Fig. 2 illustrate only wherein a kind of situation.
This system is typical physical signs detection system, traditional blood glucose meter is divided into independently three unit, especially Signal transmissions and data processing are completed by signal pickup assembly and smart mobile phone respectively, and each equipment suitability is strong, substantially reduces hardware volume simultaneously.
The system of the present embodiment is utilized to carry out the method for blood sugar test, as shown in the following step:
The current signal that blood sugar test paper generates by step1, signal pickup assembly amplifies and the conversion of signal transmitting device through signal amplifier, obtains voltage signal;
Step2, described voltage signal is sent to smart mobile phone through OTGUSB interface;
APP in step3, smart mobile phone judges whether physical signs measuring ability is opened, if, then make the data-interface of described smart mobile phone be valid data depending on the data of physiological index of receiver voltage signal form, the now usb data communication of APP standard of closure, allow voltage signal to enter USB interface; If not, then data of physiological index is invalid data and gives filtering; Analog-to-digital conversion module carries out analog to digital conversion to described voltage signal, and the digital signal of generation is sent to data processing module process, obtains magnitude of voltage corresponding to blood glucose target by described digital signal;
Step4, repetition step1 ~ step3, obtain the magnitude of voltage of all sampled points in blood sugar test process, obtain reaction signal;
Step5, physical signs detect APP according to the magnitude of voltage in reaction signal and the parameter such as temperature signal calculated current signal, packed cell volume that collects, and then calculate the blood-sugar content in tested sample, result are shown on the display apparatus.
Wherein in step3, judge that the process whether physical signs measuring ability is opened is specially: APP opens, whether detection signal harvester is inserted into mobile phone, detection mode is the Handshake Protocol that APP initiative recognition signal pickup assembly sends, and this agreement can be high level or the low level signal sequential of a rapid lapse of time between D+, D-.
The present invention is except detecting except blood sugar, also can be used for detecting the physical signs of other physical signs based on blood testing and the body fluid such as urine, saliva, as the oxygen content of blood in red cell proportion, blood in the uric acid content in detection urine, the fat content in blood, the glycosylated hemoglobin in blood, blood.Detect these physical signs signal pickup assembly used, intelligent terminal, detection system and detection method all identical with the description of above embodiment or approximate.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.If these amendments of invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. kind of the signal pickup assembly detected for physical signs, it is characterized in that: comprise signal amplifier and signal transmitting device, the input end of described signal amplifier is connected with physical signs checkout equipment, output terminal is connected with described signal transmitting device, and the output terminal of described signal transmitting device is connected with intelligent terminal; Or the input end of described signal transmitting device is connected with physical signs checkout equipment, output terminal is connected with described signal amplifier, and the output terminal of described signal amplifier is connected with intelligent terminal.
2. the signal pickup assembly detected for physical signs according to claim 1, is characterized in that: also comprise test paper groove; Described physical signs checkout equipment is physical signs test paper.
3. with the signal pickup assembly detected for physical signs according to claim 1 with the use of an intelligent terminal, comprise data processing module, display screen, it is characterized in that, also comprise:
Physical signs detector switch, is provided with On/Off two states, and when being in opening, the data of physiological index depending on receiver voltage signal form is valid data; When in the closed position, the data of physiological index depending on receiver voltage signal form is invalid data;
Analog-signal transitions from described signal pickup assembly is digital signal by analog-to-digital conversion module;
Supply module;
Physical signs detection module;
Wherein, described analog-to-digital conversion module is connected with described signal pickup assembly by data-interface with described supply module.
4. intelligent terminal according to claim 3, is characterized in that: described data-interface is USB interface or the dock interface of supporting OTG agreement.
5. the intelligent terminal according to claim 3 or 4, is characterized in that: described intelligent terminal is the one in smart mobile phone, panel computer, portable computer.
6. a physical signs detection system, comprises signal pickup assembly as claimed in claim 1 and intelligent terminal as claimed in claim 3, it is characterized in that: also comprise physical signs checkout equipment, be connected with described signal pickup assembly; Described signal pickup assembly comprises connected signal amplifier and signal transmitting device; Described intelligent terminal comprises analog-to-digital conversion module, supply module, data processing module and display screen, also comprises physical signs detection module and physical signs detector switch; Described signal pickup assembly is connected with described supply module with described analog-to-digital conversion module by data-interface, and the voltage signal that described signal pickup assembly exports enters described data processing module after described analog to digital converter is converted to digital signal.
7. physical signs detection system according to claim 6, is characterized in that: described data-interface is USB interface or the dock interface of supporting OTG agreement.
8. a physical signs detection method, is characterized in that, comprises the following steps:
Step one, data-interface through intelligent terminal, the data of physiological index that Received signal strength harvester sends; Described data of physiological index obtains in the following manner: physical signs checkout equipment carries out detection generation current signal to sampling sample, current signal is sent to described signal pickup assembly, through signal amplifier and signal transmitting device, be converted to voltage signal, be described data of physiological index;
Step 2, carry out analog to digital conversion to data of physiological index, the digital signal of generation is sent to data processing module and processes;
Step 3, obtain magnitude of voltage corresponding to data of physiological index by digital signal;
Step 4, repeat step one to step 3, obtain the magnitude of voltage of all sampled points in physical signs testing process, obtain reaction signal, reaction signal can be certain numerical value on curve or curve;
Step 5, physical signs detection module calculate physical signs numerical value according to reaction signal, result are shown on a display screen.
9. physical signs detection method according to claim 8, is characterized in that, is also provided with following steps before described step one:
Judge whether the physical signs detector switch of intelligent terminal is opened, if so, then make the data-interface of described intelligent terminal be valid data depending on the data of physiological index of receiver voltage signal form; If not, then data of physiological index is invalid data.
10. a physical signs detection method, is characterized in that, comprises the following steps:
The current signal generated from physical signs checkout equipment amplifies and the conversion of signal transmitting device through signal amplifier by step one, signal pickup assembly, obtains voltage signal;
Step 2, described voltage signal is sent to intelligent terminal through data-interface; Described intelligent terminal is handled as follows described voltage signal: when data of physiological index is valid data, analog to digital conversion is carried out to the data of physiological index of voltage signal form, the digital signal generated is sent to data processing module process, obtains magnitude of voltage corresponding to data of physiological index by described digital signal;
Step 3, repeat step one to step 2, obtain the magnitude of voltage of all sampled points in physical signs testing process, obtain reaction signal, reaction signal can be certain numerical value on curve or curve; Physical signs detection module calculates physical signs numerical value according to reaction signal, result is shown on a display screen.
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| WO2024109490A1 (en) * | 2022-11-25 | 2024-05-30 | 华为技术有限公司 | Intelligent wearable device |
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Application publication date: 20151202 |