CN100363871C - Computer keyboard capable of measuring electrocardiogram - Google Patents
Computer keyboard capable of measuring electrocardiogram Download PDFInfo
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- CN100363871C CN100363871C CNB2006100132082A CN200610013208A CN100363871C CN 100363871 C CN100363871 C CN 100363871C CN B2006100132082 A CNB2006100132082 A CN B2006100132082A CN 200610013208 A CN200610013208 A CN 200610013208A CN 100363871 C CN100363871 C CN 100363871C
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- computer keyboard
- circuit
- electrocardiosignal
- computing machine
- microcontroller
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Abstract
The present invention relates to a computer keyboard of which the surface is provided with two or three electrodes, and an amplifier and a data acquisition system for electrocardiogram-measurement are arranged in the computer keyboard. An electrocardiogram can be measured in a computer user's working or learning process and is displayed on a computer screen. Medical treating and health care suggestions are proposed to the measured person according to the measured electrocardiogram or the electrocardiogram is sent to a doctor or a hospital according to an operator's will by the network, and thus, the computer user's usual and simple health examination is realized. The present invention has the advantages of simple structure, cheap manufacturing cost, convenient use, high safety, reliability, etc.
Description
Technical field
The present invention relates to the external device of computing machine, relate in particular to a kind of computer keyboard.
Background technology
The modern life and work make increasing people be in sub-health state, and cardiovascular patient is more and more, but for various reasons, people are difficult to often go the examination in hospital health.Before manifest symptom not occurring, cardiovascular patient tends to ignore the health of oneself.At present, along with the development that computer and network technologies are maked rapid progress, computing machine and internet more and more become requisite equipment in people's work, the studying and living.Computing machine has powerful data processing function, after the internet links to each other, can utilize computer realization that operator's physiological signal is detected, thereby in people's work or study,, cardiogram can also be arrived doctor and hospital by Network Transmission unawares to its most important physiological signal---cardiogram detects.The fair and clear utility model patent of design that waits is (based on the hyperchannel AD collector of USB, application number 02289498.5) and the patent of invention of design such as Li Gang (based on the multiple physio-parameter detection system of USB, application number 200510013384.1), above-mentioned design can be measured physiologic informations such as electrocardio by the USB mouth of computing machine, but the device that these inventions all need to be invented is installed to the USB mouth of computing machine, take USB interface of computer, and complex operation, inconvenience used.
Summary of the invention
Technical matters to be solved by this invention is to overcome above-mentioned the deficiencies in the prior art, provides a kind of and can measure Electrocardiographic computer keyboard.In computing machine user's work or learning process with regard to the energy measurement cardiogram, cardiogram is presented on the computer screen, according to measured cardiogram the measured is proposed medical treatment and health care suggestion, or cardiogram is sent to doctor or hospital by network according to operator's wish.
To achieve these goals, it is of the present invention that can to measure Electrocardiographic computer keyboard be two or three plate electrodes to be installed on the surface of keyboard of computing machine (wherein two plate electrodes are used for the sampling of electrocardiosignal, the 3rd plate electrode is connected to driven-right-leg circuit), signal processing circuit and the data acquisition system (DAS) of measuring electrocardiosignal is installed in keyboard.Of the present inventionly can measure Electrocardiographic computer keyboard, comprise the universal keyboard that can be connected on the PC computing machine, also comprise:
Electrode is installed in the surface of computer keyboard, is used to detect user's electrocardiosignal;
The electrocardiosignal treatment circuit is used to amplify and handle the electrocardiosignal that is received by electrode;
The ecg signal acquiring circuit is used for the signal digitalized of electrocardiosignal treatment circuit output and is sent to microcontroller;
Communication interface is used for communicating by letter between microcontroller and the PC computing machine;
Microcontroller is used for by communication interface digitized electrocardiosignal being sent to the PC computing machine;
Buffer circuit is used to realize the electrical isolation between user's institute's electrodes in contact and the PC computing machine.
Wherein, the electrocardiosignal treatment circuit comprises also that preferably being used to suppress power frequency disturbs driven-right-leg circuit.Buffer circuit can be connected between electrocardiosignal treatment circuit and the Acquisition Circuit, between ecg signal acquiring circuit and the microcontroller or between microcontroller and the communication interface.
Compared with prior art, the present invention has following beneficial effect: (one) the present invention improves present general calculation switch dish, has simple in structure, easy to use, cheap characteristics; (2) owing to adopt signal and isolated from power technology, guaranteed user's security; (3) make full use of data processing, demonstration and the memory function of PC, make things convenient for the user to measure and observe ecg information whenever and wherever possible and give doctor or hospital by Network Transmission.
Description of drawings
Fig. 1, Fig. 2 and Fig. 3 can measure three kinds of embodiment of Electrocardiographic computer keyboard structured flowchart separately for of the present invention.
Reference numeral:
101 is that user 102 is driven-right-leg circuit for electrode 103 ecg amplifiers 104
105 is that buffer circuit 106 is the CPU microcontroller for analog to digital conversion circuit 107 for DC/DC power supply 108
109 is that keyboard 110 is the PC computing machine for communication interface 111
Embodiment
Below in conjunction with Figure of description and embodiment the present invention is further described.
The present invention can measure the embodiment one of Electrocardiographic computer keyboard:
As shown in Figure 1, the described electrode 102 that is installed in the computer key panel surface detects user 101 electrocardiosignal, amplify and driven-right-leg circuit 104 inhibition power frequencies interference through ecg amplifier 103, be transferred to analog to digital conversion 106 through buffer circuit 105 again, be sent to PC computing machine 111 by CPU microcontroller 108 by communication interface 110 after changing digital signal into, on computing machine 111 screens, show cardiogram then, according to measured cardiogram the measured is proposed medical treatment and health care suggestion, or cardiogram is sent to doctor or hospital by network according to operator's wish.Described DC/DC power supply 107 is the circuit supply before the buffer circuit, makes user institute electrodes in contact 102 isolated with the power supply of circuit part and PC computing machine 111, to guarantee user's safety.
Under normal conditions, the user is directly by keyboard 109 operational computations machines.
Described buffer circuit can adopt linear light to isolate (light lotus root) device, as 4N25, TIL113 and HCNR201 etc.Described microcontroller 108 adopts devices such as 89C52, also can adopt ADuC841, ADuC848 that analog to digital converter is integrated or MSC1212 etc.
The present invention can measure the embodiment two of Electrocardiographic computer keyboard:
As shown in Figure 2, the described electrode 102 that is installed in the computer key panel surface detects user 101 electrocardiosignal, amplify and driven-right-leg circuit 104 inhibition power frequencies interference through ecg amplifier 103, be transferred to analog to digital conversion 106, be transferred to CPU microcontroller 108 by process buffer circuit 105 after changing digital signal into, be sent to PC computing machine 111 by CPU microcontroller 108 control communication interfaces 110 again, on computing machine 111 screens, show cardiogram then, according to measured cardiogram the measured is proposed medical treatment and health care suggestion, or cardiogram is sent to doctor or hospital by network according to operator's wish.Described DC/DC power supply 107 is the circuit supply before the buffer circuit, makes user institute electrodes in contact 102 isolated with the power supply of circuit part and PC computing machine 111, to guarantee user's safety.
Under normal conditions, the user is directly by keyboard 109 operational computations machines.
Described analog to digital conversion 106 can adopt the MAX197 of the U.S. U.S. letter company etc.Described buffer circuit 105 can adopt switch light to isolate (light lotus root) device, as 4N25, the TIL113 of U.S. MOTOROLA company and HCNR201 etc., also can adopt magnetic to isolate (magnetic lotus root) device, as the ADuM1400 of U.S. ADI company etc.Can also adopt electric capacity to isolate (capacitance digital isolator) device, as the ISO721 of American TI Company etc.Described microcontroller 108 adopts devices such as 89C52.
The present invention can measure the embodiment three of Electrocardiographic computer keyboard:
As shown in Figure 3, the described electrode 102 that is installed in the computer key panel surface detects user 101 electrocardiosignal, amplify and driven-right-leg circuit 104 inhibition power frequencies interference through ecg amplifier 103, be transferred to analog to digital conversion 106, be transferred to CPU microcontroller 108 after changing digital signal into, be sent to PC computing machine 111 by CPU microcontroller 108 by buffer circuit 105 and communication interface 110 again, on computing machine 111 screens, show cardiogram then, according to measured cardiogram the measured is proposed medical treatment and health care suggestion, or cardiogram is sent to doctor or hospital by network according to operator's wish.Described DC/DC power supply 107 is the circuit supply before the buffer circuit, makes user institute electrodes in contact 102 isolated with the power supply of circuit part and PC computing machine 111, to guarantee user's safety.
Under normal conditions, the user is directly by keyboard 109 operational computations machines.
Described analog to digital conversion 106 can adopt the MAX197 of the U.S. U.S. letter company etc.Described buffer circuit 105 can adopt switch light to isolate (light lotus root) device, as 4N25, the TIL113 of U.S. MOTOROLA company and HCNR201 etc., also can adopt magnetic to isolate (magnetic lotus root) device, as the ADuM1400 of U.S. ADI company etc.Can also adopt electric capacity to isolate (capacitance digital isolator) device, as the ISO721 of American TI Company etc.Described microcontroller 108 adopts devices such as 89C52, also can adopt ADuC841, ADuC848 that analog to digital converter is integrated or MSC1212 etc.
Need to prove, the invention belongs to component invention, be a kind of invention that has novelty on technology is used, wherein related electrocardio amplifying circuit, driven-right-leg circuit, microcontroller and peripheral circuit, buffer circuit etc. all belong to prior art and existing various ways and application.The detail characteristic of circuit is not described herein again at this.
In addition, here the detailed explanation that has been center deployment with embodiments of the invention, the imbody of described optimal way or some characteristic, should be understood to this instructions only is to describe the present invention by the mode that provides embodiment, in fact on some details of forming, construct and using, can change to some extent, comprise the combination and the assembly of parts, these distortion and application all should belong in the scope of the present invention.
Claims (7)
1. can measure Electrocardiographic computer keyboard for one kind, comprise the universal keyboard that can be connected on the PC computing machine, it is characterized in that, also comprise:
Electrode is installed in the surface of computer keyboard, is used to detect user's electrocardiosignal;
The electrocardiosignal treatment circuit is used to amplify and handle the electrocardiosignal that is received by electrode;
The ecg signal acquiring circuit is used for the signal digitalized of electrocardiosignal treatment circuit output and is sent to microcontroller;
Communication interface is used for communicating by letter between microcontroller and the PC computing machine;
Microcontroller is used for by communication interface digitized electrocardiosignal being sent to the PC computing machine;
Buffer circuit is used to realize the electrical isolation between user's institute's electrodes in contact and the PC computing machine.
2. computer keyboard according to claim 1 is characterized in that, described electrocardiosignal treatment circuit also comprises driven-right-leg circuit, is used to suppress power frequency and disturbs.
3. computer keyboard according to claim 1 is characterized in that described buffer circuit is connected between electrocardiosignal treatment circuit and the Acquisition Circuit.
4. computer keyboard according to claim 1 is characterized in that described buffer circuit is connected between ecg signal acquiring circuit and the microcontroller.
5. computer keyboard according to claim 1 is characterized in that described buffer circuit is connected between microcontroller and the communication interface.
6. computer keyboard according to claim 1, it is characterized in that, the PC computing machine that is connected with described computer keyboard can show cardiogram according to received digitized electrocardiosignal on screen, and can propose medical treatment or health care suggestion to the user.
7. computer keyboard according to claim 1 is characterized in that, the PC computing machine that is connected with described computer keyboard can send cardiogram by network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100132082A CN100363871C (en) | 2006-02-22 | 2006-02-22 | Computer keyboard capable of measuring electrocardiogram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100132082A CN100363871C (en) | 2006-02-22 | 2006-02-22 | Computer keyboard capable of measuring electrocardiogram |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1811666A CN1811666A (en) | 2006-08-02 |
| CN100363871C true CN100363871C (en) | 2008-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100132082A Expired - Fee Related CN100363871C (en) | 2006-02-22 | 2006-02-22 | Computer keyboard capable of measuring electrocardiogram |
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| CN (1) | CN100363871C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637261B (en) * | 2012-04-11 | 2015-02-18 | 东莞市巨细信息科技有限公司 | RFID (Radio Frequency Identification) electronic tag integrated with electrocardiosignal collecting circuit |
| CN105512504A (en) * | 2016-01-19 | 2016-04-20 | 国网福建省电力有限公司 | Health monitoring system based on keyboard |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5273038A (en) * | 1990-07-09 | 1993-12-28 | Beavin William C | Computer simulation of live organ |
| CN2158686Y (en) * | 1993-06-16 | 1994-03-16 | 聂泳培 | Intelligent portable electronic device for treatment of humanbody electrocardio signal |
| CN1602802A (en) * | 2004-11-15 | 2005-04-06 | 天津大学 | Novel household electrocardiograph |
| WO2005083552A1 (en) * | 2004-02-24 | 2005-09-09 | Liangming Cao | Computer keyboard with the function of electronic massage |
-
2006
- 2006-02-22 CN CNB2006100132082A patent/CN100363871C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5273038A (en) * | 1990-07-09 | 1993-12-28 | Beavin William C | Computer simulation of live organ |
| CN2158686Y (en) * | 1993-06-16 | 1994-03-16 | 聂泳培 | Intelligent portable electronic device for treatment of humanbody electrocardio signal |
| WO2005083552A1 (en) * | 2004-02-24 | 2005-09-09 | Liangming Cao | Computer keyboard with the function of electronic massage |
| CN1602802A (en) * | 2004-11-15 | 2005-04-06 | 天津大学 | Novel household electrocardiograph |
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| Publication number | Publication date |
|---|---|
| CN1811666A (en) | 2006-08-02 |
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Granted publication date: 20080123 Termination date: 20110222 |