CN201734708U - Palm electrocardiograph - Google Patents
Palm electrocardiograph Download PDFInfo
- Publication number
- CN201734708U CN201734708U CN 201020276857 CN201020276857U CN201734708U CN 201734708 U CN201734708 U CN 201734708U CN 201020276857 CN201020276857 CN 201020276857 CN 201020276857 U CN201020276857 U CN 201020276857U CN 201734708 U CN201734708 U CN 201734708U
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- circuit
- palm
- electrocardiograph
- signal processing
- processing circuit
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- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The utility model discloses a palm electrocardiograph. The palm electrocardiograph comprises a housing; a display screen and an electrode are arranged on the housing; a power module, a signal processing circuit, an A/D conversion circuit and a memory are arranged in the housing; and the electrode is connected with the signal processing circuit connected with the A/D conversion circuit connected with a MCU (micro control unit) respectively connected with the display screen and the memory. The palm electrocardiograph facilitates user's use, can detect electrocardiosignals anytime and anywhere, and can store the detected electrocardiosignals, thereby facilitating disease detection by doctors.
Description
Technical field
This utility model relates to a kind of electrocardiograph, is specifically related to a kind of palm electrocardiograph.
Background technology
For a long time, cardiovascular disease is the major disease of harm humans health always, cardiovascular diseases's high incidence, high disability rate and high mortality have caused heavy burden to society, have become great public health problem, and cardiovascular diseases's risk factor is the situation that rises appreciably in recent years.Modern medicine study thinks that though cardiovascular disease prevention and control situation is comparatively severe, cardiovascular disease can be prevented controlled, and it is to find cardiopathic most economical, convenient, noninvasive means that electrocardiosignal detects.Existing cardioelectric monitor diagnostic device mainly comprises electrocardiograph, electrocardiogram monitor, 24 hours dynamic electrocardiogram recording instruments (HOLTER) etc., these equipment all need medical personnel to operate, detect inconvenient, and can not realize at home or anywhere detects at any time, therefore just need a kind of volume little, equipment that need not be too many connects, and makes things convenient for the monitor device that uses in the family.
The utility model content
The purpose of this utility model is to provide a kind of palm electrocardiograph, is user-friendly to, and all can detect electrocardiosignal whenever and wherever possible, and can preserve detected electrocardiosignal, makes things convenient for the doctor to detect the state of an illness.
This utility model is by the following technical solutions:
A kind of palm electrocardiograph, comprise shell, shell is provided with display screen and electrode, be provided with power module in the shell, wherein, be provided with signal processing circuit, A/D change-over circuit and memorizer in the described shell, described electrode connects signal processing circuit, signal processing circuit connects the A/D change-over circuit, and the A/D change-over circuit connects MCU, and described MCU also is connected with memorizer with display screen respectively.
Further, described signal processing circuit comprises signals collecting amplifying circuit, 0.05HZ high-pass filtering circuit, voltage lifting circuit and 100HZ low-pass filter circuit.
Further, described MCU also is connected with keyboard.
Further, also be connected with buffer circuit on the described MCU.
The beneficial effects of the utility model are:
This utility model can also can be monitored Electrocardiographic a kind of cardioelectric monitor record product by the line that leads by the electrode monitoring of machine electrocardiogram own, be user-friendly to, whenever and wherever possible, as long as the electrode that both hands are held on the palm electrocardiograph just can write down human body electrocardiosignal on one's body.
Power module of the present utility model can provide all power supplys except hop such as gathering amplification filtering, MCU, demonstration, keyboard, storage, the power supply of hop is directly from the USB interface power taking, the both end voltage of buffer circuit is respectively from power module and USB interface, so just saved an isolated from power, signal is isolated by isolating chip, has guaranteed the safety of human body.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can from practice of the present utility model, obtain instruction to investigating hereinafter.Target of the present utility model and other advantages can realize and obtain by specifically noted structure in following description or the accompanying drawing.
Description of drawings
Fig. 1 is a structured flowchart of the present utility model.
Fig. 2 is the flow chart of this utility model signal processing.
Fig. 3 is this utility model signal processing circuit schematic diagram.
The specific embodiment
Below in conjunction with drawings and Examples this utility model is further described:
As shown in Figure 1, this utility model shell is provided with display screen and electrode, is provided with power module, signal processing circuit, A/D change-over circuit and memorizer in the shell; Electrode connects signal processing circuit, and signal processing circuit connects the A/D change-over circuit, and the A/D change-over circuit connects MCU, and MCU also is connected with display screen, keyboard, buffer circuit and memorizer respectively; Power module provides all power supplys except hop such as gathering amplification filtering, MCU, demonstration, keyboard, storage, and the power supply of hop is directly from the USB interface power taking.
As Fig. 2, shown in Figure 3, signal processing circuit mainly comprises signals collecting amplifying circuit, 0.05HZ high-pass filtering circuit, voltage lifting circuit and 100HZ low-pass filter circuit.The signals collecting amplifying circuit mainly carries out 500 times hardware processing and amplifying to small electrocardiosignal, big the enterprising pedestrian of software be 2 times then, has promptly amplified 1000 times altogether.As electrocardiograph portable, monitor-type, we mainly measure the electrocardiosignal in the 0.05HZ-100HZ scope, and the band filter of having used the antialiasing filter of the high pass filter of a 0.05HZ and 100HZ to form 0.05HZ-100HZ carries out the Filtering Processing to electrocardiosignal.For the electrocardiosignal that samples that can be correct, electrocardiosignal is carried out suitable voltage lifting handle, the phenomenon that electrocardiosignal is lost can not appear so just.
Memorizer mainly adopts the FLASH of SPI interface to store, and can simplify hardware circuit like this, improves read or write speed, and the row read-write is more convenient, reliable than sticking into SD.Can be divided into two kinds of patterns: simple and easy pattern and real-time mode.
Under the simple and easy pattern, do not communicate by letter with PC, can only measure 30 seconds electrocardiosignal, this utility model just directly is stored in the data that collect among the FLASH that extends out in the process of acquired signal, and what the ecg wave form in measuring process can be real-time is presented on the display screen.After measurement, show heart rate measurements, and the analysis of cases result of reference is provided.The user can select to preserve data or not preserve data, reads the playback operation that data are carried out data after can making things convenient for like this from FLASH.
Under the real-time mode, can be divided into two kinds of situations again: be not connected and be connected with PC with PC.Be not connected situation with PC: Measuring Time is unqualified, and data are not carried out stores processor yet.Electrocardiosignal of gathering and analysis result can be real-time on display screen, show, cancel this operation or do not have the electrocardiosignal input for a long time up to the user.Be connected situation with PC: the data of the signal that collects, directly pass on the PC by the USB transport module and to analyze, show " in PC is connected ... " on the electrocardiograph screen this moment printed words, all processing operation all will be carried out on PC, can show by PC, operations such as storage, analysis, printing.
As long as this utility model is pressed start button in use, user's both hands are held electrode, just the electrocardiosignal of monitor user ' automatically, store 30 seconds electrocardiogram (ECG) datas, and have some simple analysis functions such as real-time demonstration heart rate etc., operations such as the electrocardiogram (ECG) data of storage can show after can uploading to computer by USB interface, analysis, printing; Also can in real time electrocardiogram (ECG) data be transferred to operations such as PC shows, storage, analysis, printing by USB interface.
This utility model is gathered the electrocardiosignal of human body and is carried out signal processing, electrocardiogram (ECG) data after the A/D conversion directly stores in the memorizer, ecg wave form directly is presented on the display screen, can carries out some simple analysis simultaneously and handle, analysis result is also shown on the display screen.
Claims (4)
1. palm electrocardiograph, comprise shell, shell is provided with display screen and electrode, be provided with power module in the shell, it is characterized in that: be provided with signal processing circuit, A/D change-over circuit and memorizer in the described shell, described electrode connects signal processing circuit, and signal processing circuit connects the A/D change-over circuit, the A/D change-over circuit connects MCU, and described MCU also is connected with memorizer with display screen respectively.
2. palm electrocardiograph according to claim 1 is characterized in that: described signal processing circuit comprises signals collecting amplifying circuit, 0.05HZ high-pass filtering circuit, voltage lifting circuit and 100HZ low-pass filter circuit.
3. palm electrocardiograph according to claim 2 is characterized in that: described MCU also is connected with keyboard.
4. palm electrocardiograph according to claim 3 is characterized in that: also be connected with buffer circuit on the described MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020276857 CN201734708U (en) | 2010-07-30 | 2010-07-30 | Palm electrocardiograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020276857 CN201734708U (en) | 2010-07-30 | 2010-07-30 | Palm electrocardiograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201734708U true CN201734708U (en) | 2011-02-09 |
Family
ID=43549986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020276857 Expired - Fee Related CN201734708U (en) | 2010-07-30 | 2010-07-30 | Palm electrocardiograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201734708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688029A (en) * | 2011-03-21 | 2012-09-26 | 南京邮电大学 | Exercise intensity and physiological parameter detection method |
-
2010
- 2010-07-30 CN CN 201020276857 patent/CN201734708U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688029A (en) * | 2011-03-21 | 2012-09-26 | 南京邮电大学 | Exercise intensity and physiological parameter detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20130730 |