CN2717388Y - Wrist watch type pulsometer - Google Patents
Wrist watch type pulsometer Download PDFInfo
- Publication number
- CN2717388Y CN2717388Y CN 200420027829 CN200420027829U CN2717388Y CN 2717388 Y CN2717388 Y CN 2717388Y CN 200420027829 CN200420027829 CN 200420027829 CN 200420027829 U CN200420027829 U CN 200420027829U CN 2717388 Y CN2717388 Y CN 2717388Y
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- CN
- China
- Prior art keywords
- operational amplifier
- outfan
- resistance
- connects
- input end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The utility model relates to a wrist watch type pulsometer. The wrist watch type pulsometer is characterized in that the output end of an electret transducer circuit is connected with the positive input end of an operational amplifier, the inverse input end of the operational amplifier is connected with the output end of the operational amplifier, and the output end of the operational amplifier is connected with the inverse input end of the operational amplifier; the output end of the operational amplifier is connected with the input end of an A / D converter, and the data end of the A / D converter is connected with the data end of a singlechip; the data end of the singlechip is connected with the data end of a liquid crystal display module, the signal output end of the singlechip is connected with the base electrode of a triode, and the collecting electrode of the triode is connected with a buzzer. The advantages are that: the transducer has light weight, high sensibility and small pressure on surface structure of human body; computer control is adopted; the wrist watch type pulsometer has stable performance, accuracy, reliability and little external interference, and the operating state of the heart pulse of human body is alarmed in time via detecting the pulse of human body.
Description
Technical field
The utility model relates to a kind of body surface detection device one watch style pulse device of early warning bulletin human heart duty.Belong to medical electronic Instrument technology field.
Background technology
The cardiac uses implanted heart pacemaker to become universal, also urgent day by day in the gauge of body surface detection implanted heart pacemaker duty thereupon, the gauge of this body surface detection implanted heart pacemaker duty is used for measuring pacemaker pulse cycle and pulse width and per minute umber of pulse, yet the gauge of this body surface detection implanted heart pacemaker duty also just uses clinically, and depends on import.Price is extremely expensive, uses the cardiac that implanted heart pacemaker just is installed.
Summary of the invention
The purpose of this utility model is the defective at above-mentioned existence, proposes a kind of low price, and user has not only been installed the cardiac of implanted heart pacemaker.It directly warns the duty of heart by the human body pulse.Technical solution of the present utility model: its structure is that the outfan that the little vibration with the wrist tremulous pulse is converted into the electret transducer circuit of the signal of telecommunication is connected to a filter capacitor, the indirect nonpolarity coupling capacitance of the outfan of electret transducer circuit and the positive input of operational amplifier, with two resistance, an electric capacity is connected between operational amplifier reverse input end and the outfan, the reverse input end of operational amplifier connects the outfan of operational amplifier by resistance, the reverse input end of operational amplifier connects the outfan of operational amplifier by resistance, the reverse input end of operational amplifier connects the outfan of operational amplifier by resistance, the outfan of operational amplifier connects the operational amplifier reverse input end by resistance, the input of the output termination A/D converter of operational amplifier, A/D converter have an end over the ground between the serial connection resistance, electric capacity, this resistance, contact between electric capacity connects an end of A/D converter, the data terminal of A/D converter and the data terminal of single-chip microcomputer join, the data terminal of single-chip microcomputer and the data terminal in the LCD MODULE join, one of single-chip microcomputer output receive the base stage of crystal triode from signal by resistance, the colelctor electrode of this crystal triode connects+the 5V power supply by buzzer.Advantage of the present utility model: pick off is in light weight, highly sensitive, and is little to the human body surface organizational stress, wide accommodation, adopt computer control, stable performance, accurately and reliably is subjected to external interference few, in time warns human heart pulse duty by the pulse of human body.
Description of drawings
Accompanying drawing is an embodiment electrical schematic diagram of the present utility model.
The specific embodiment
The contrast accompanying drawing,
Electret transducer (model C GQ) is arranged, the fixed electrode that comprises electret and adapt, the output terminals A of electret transducer circuit in the electret transducer circuit with electret ' be connected to a filter capacitor C1.The output terminals A of electret transducer circuit ' join by the positive input in capacitor C 2 and the low-pass filter amplifier with operational amplifier U1 (model OP-07), operational amplifier U1 positive input links to each other with ground by resistance R 5, and operational amplifier U1 reverse input end B ' links to each other with ground by resistance R 6; Nonpolarity coupling capacitance C2 is connected between the positive input of electret transducer circuit output end A ' and operational amplifier U1, and the signal that electret transducer is exported is coupled; Resistance R 7, J2 and capacitor C 3 are connected between operational amplifier U1 reverse input end B ' and the outfan C ', carry out low-pass filtering.The positive input ground connection of operational amplifier U2A (model TL064), operational amplifier U2A reverse input end D ' meets the outfan C ' of operational amplifier U1 by resistance R 8, the reverse input end D ' of operational amplifier U2A meets the outfan E ' of operational amplifier U2A by resistance R 9, the reference level of the output end signal of operational amplifier U2A is 1.25V like this, and signal amplitude is kept to half; The positive input ground connection of operational amplifier U2B (model TL064), operational amplifier U2B reverse input end F ' meets the outfan E ' of operational amplifier U2A by resistance R 12, operational amplifier U2B reverse input end F ' meets the outfan G ' of operational amplifier U2B by resistance R 13, makes to be half; The positive input ground connection of operational amplifier U2B (model TL064), operational amplifier U2B reverse input end F ' meets the outfan E ' of operational amplifier U2A by resistance R 12, operational amplifier U2B reverse input end F ' meets the outfan G ' of operational amplifier U2B by resistance R 13, the reference level that makes the output end signal of operational amplifier U2B is 2.5V, and signal amplitude is consistent with operational amplifier U1 outfan.The signal negative terminal of A/D change-over circuit U3 (model ADC1001), simulation ground, ground connection all digitally, the moving plate end of half reference voltage termination potentiometer R15, potentiometer R15 one end ground connection, one termination+5V, the 19th end of A/D converter U3 over the ground between series resistor R14, capacitor C 4, resistance R 14 and capacitor C 4 constitute the required frequency of oscillation of A/D change-over circuit U3, resistance R 14, the contact H ' that capacitor C is 4 connects the 4th end of A/D converter U3, the BIT2 of A/D converter U3～BIT9 data terminal and single-chip microcomputer U4 (CPU model 78E516) the P00～the P07 data terminal is corresponding joins, corresponding the joining of the 39th～32 data terminal of the P00 of single-chip microcomputer U4～P07 data terminal and LCD MODULE, the 1st end of single-chip microcomputer U4 is received the base stage of crystal triode T2 (model 9012) by resistance R 17, and the colelctor electrode of crystal triode T2 connects+the 5V power supply by buzzer B1.Resistance R 16 and capacitor C 7 constitute the reset circuit of CPU, and crystal oscillator X1 and capacitor C 5, C6 provide 24M vibration for single-chip microcomputer U4.Single-chip microcomputer U4 provides to LCD MODULE and shows required control signal.Single-chip microcomputer U4 analyzes the digital signal obtained, obtains pulse tone, pulse frequency, the waveform analyzed and pulse frequency is sent to LCD MODULE shows, the pulse tone that obtains and alarm signal is sent to alarm device carries out audible alarm.
Two regulated power supply U5 (model MAX1796), U6 (model MAX828) provide power supply.
Claims (1)
1, watch style pulse device, it is characterized in that the outfan (A ') that little vibration of wrist tremulous pulse is converted into the electret transducer circuit of the signal of telecommunication connects filter capacitor (C1), connect nonpolarity coupling capacitance (C2) between the positive input of outfan of electret transducer circuit (A ') and operational amplifier (U1); Resistance (R7, J2) and electric capacity (C3) be connected between the reverse input end (B ') of operational amplifier (U1) and the outfan (C '), the reverse input end of operational amplifier (U2A) (D ') connects the outfan (C ') of operational amplifier (U1) by resistance (R8), the reverse input end of operational amplifier (U2A) (D ') connects the outfan (E ') of operational amplifier (U2A) by resistance (R9), the reverse input end of operational amplifier (U2B) (F ') connects the outfan (E ') of operational amplifier (U2A) by resistance (R12), the outfan of operational amplifier (U2B) (G ') connects operational amplifier (U2B) reverse input end (F ') by resistance (R13), the outfan of operational amplifier (U2B) (G ') connects input " 6 " end of A/D converter (U3), series resistor (R14) between " 19 " of A/D converter (U3) is held over the ground, electric capacity (C4), resistance (R14), contact between electric capacity (C4) (H ') connects " 4 " end of A/D converter (U3), A/D converter (U3) (data terminal of BIT2～BIT9) and single-chip microcomputer (U4) (P00～P07) data terminal is corresponding to join, (corresponding the joining of " 39～32 " data terminal of the data terminal of P00～P07) and LCD MODULE of single-chip microcomputer (U4), " 1 " of single-chip microcomputer (U4) is held the base stage that meets crystal triode (T2) by resistance (R17), and the colelctor electrode of crystal triode (T2) connects+the 5V power supply by buzzer (B1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420027829 CN2717388Y (en) | 2004-06-10 | 2004-06-10 | Wrist watch type pulsometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420027829 CN2717388Y (en) | 2004-06-10 | 2004-06-10 | Wrist watch type pulsometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2717388Y true CN2717388Y (en) | 2005-08-17 |
Family
ID=34892842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420027829 Expired - Fee Related CN2717388Y (en) | 2004-06-10 | 2004-06-10 | Wrist watch type pulsometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2717388Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100508876C (en) * | 2006-06-09 | 2009-07-08 | 深圳市丰泰瑞达实业有限公司 | Wrist watch for detecting human body physiological state |
| CN101330868B (en) * | 2005-12-19 | 2011-01-26 | 皇家飞利浦电子股份有限公司 | Monitoring apparatus for monitoring a user's heart rate and/or heart rate variation, and watch including the monitoring apparatus |
-
2004
- 2004-06-10 CN CN 200420027829 patent/CN2717388Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101330868B (en) * | 2005-12-19 | 2011-01-26 | 皇家飞利浦电子股份有限公司 | Monitoring apparatus for monitoring a user's heart rate and/or heart rate variation, and watch including the monitoring apparatus |
| CN100508876C (en) * | 2006-06-09 | 2009-07-08 | 深圳市丰泰瑞达实业有限公司 | Wrist watch for detecting human body physiological state |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |