CN203943663U - A kind of electric sphygmomanometer application circuit - Google Patents
A kind of electric sphygmomanometer application circuit Download PDFInfo
- Publication number
- CN203943663U CN203943663U CN201420227293.2U CN201420227293U CN203943663U CN 203943663 U CN203943663 U CN 203943663U CN 201420227293 U CN201420227293 U CN 201420227293U CN 203943663 U CN203943663 U CN 203943663U
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- control unit
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- application circuit
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- 230000036772 blood pressure Effects 0.000 claims abstract description 13
- 230000008878 coupling Effects 0.000 claims abstract description 10
- 238000010168 coupling process Methods 0.000 claims abstract description 10
- 238000005859 coupling reaction Methods 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 230000005055 memory storage Effects 0.000 claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000000630 rising effect Effects 0.000 abstract description 3
- 238000013022 venting Methods 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035487 diastolic blood pressure Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 231100000862 numbness Toxicity 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000035488 systolic blood pressure Effects 0.000 description 1
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- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
This utility model discloses a kind of electric sphygmomanometer application circuit.Include main control unit, for whole circuit provides the power supply unit of power supply, with main control unit be electrically connected by key control unit, inflation air pump control unit, bleed air valve control unit, VCU, memory storage unit and measuring unit, described measuring unit comprise with main control unit coupling, for reading the pressure transducer of blood pressure, pulse; Described main control unit reads the data acquisition assembly of pressure sensing information while being included in the inflation of inflation air pump.This utility model, owing to having adopted unique Intelligent rising measuring technique, is Auto-Sensing blood pressure and heart rate in pressure process, has improved the comfort of measuring when improving measuring speed, guarantees the accurate of measurement data simultaneously.
Description
Technical field
This utility model relates to medical instruments field, in particular, relates to a kind of electric sphygmomanometer application circuit.
Background technology
Electric sphygmomanometer develops according to the measuring principle of oscillographic method conventionally.Traditional electric sphygmomanometer is Measure blood pressure in deflation course all, has following shortcoming: venting speed is difficult to according to individual difference and dynamically adjusts, thereby is difficult to obtain desirable waveform quantity.When venting is measured, cannot when exit according to individual selection.The value that normally pre-determines a static pressure, exceedes this value, just stops inflation and starts venting.Like this, for the lower gauger of blood pressure, Measuring Time can be long, can make gauger's measurement arm numbness, and comfort is poor.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of electric sphygmomanometer application circuit that can improve measuring speed and can guarantee measurement data accuracy.
The purpose of this utility model is achieved through the following technical solutions:
Electric sphygmomanometer application circuit of the present invention includes main control unit, for whole circuit provides the power supply unit of power supply, with main control unit be electrically connected by key control unit, inflation air pump control unit, bleed air valve control unit, VCU, memory storage unit and measuring unit, described measuring unit comprise with main control unit coupling, for reading the pressure transducer of blood pressure, pulse; Described main control unit reads the data acquisition assembly of pressure sensing information while being included in the inflation of inflation air pump.
Further, described main control unit also comprises analog digital conversion assembly, PGIA assembly, and the signal of described pressure transducer sends to described analog digital conversion assembly after amplifying by PGIA assembly.
Further, described main control unit also comprises the PWM adjusting part with the coupling of inflation air pump control unit.The PWM adjusting part output PWM of main control unit controls air pump and inflates to cuff, cuff can be inflated with a more satisfactory aeration speed, the impact on pressure detecting while being beneficial to reduce to inflate.
Further, described main control unit comprises that model is the single-chip microcomputer of SN8P2839, and described analog digital conversion assembly, PGIA assembly and PWM adjusting part are integrated in described single-chip microcomputer.
Further, described electric sphygmomanometer application circuit also comprises battery electric quantity detecting unit, display unit, the back light unit of light source is provided to display unit, and the voice broadcast unit being coupled with main control unit.Described main control unit also comprises bomp assembly, blood pressure warning component, voice broadcast assembly, memory storage components, time and the alarm clock assembly of following by key control unit coupling.
Further, described power supply unit further comprises supplying cell and filter capacitor, also comprises the electrochemical capacitor and the patch capacitor that are connected to supplying cell outfan; Between described supplying cell outfan and earth terminal, be also serially connected with two divider resistances, the electrical measurement pin of described control unit is coupled between two divider resistances.
This utility model, owing to having adopted unique Intelligent rising measuring technique, is Auto-Sensing blood pressure and heart rate in pressure process, has improved the comfort of measuring when improving measuring speed, guarantees the accurate of measurement data simultaneously.
Brief description of the drawings
Fig. 1 is the principle schematic of this utility model embodiment;
Fig. 2 is this utility model examples measure cell schematics;
Fig. 3 is this utility model embodiment power supply unit schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing and preferred embodiment, the utility model is described in further detail.
Electric sphygmomanometer application circuit of the present utility model includes main control unit, for whole circuit provides the power supply unit of power supply, with main control unit be electrically connected by key control unit, inflation air pump control unit, bleed air valve control unit, VCU, memory storage unit and measuring unit, described measuring unit comprise with main control unit coupling, for reading the pressure transducer of blood pressure, pulse; Described main control unit reads the data acquisition assembly of pressure sensing information while being included in the inflation of inflation air pump.
Described main control unit also comprises analog digital conversion assembly, PGIA (programmable gain instrument amplifier) assembly, and the PWM adjusting part of inflation air pump control unit coupling, the signal of described pressure transducer sends to described analog digital conversion assembly after amplifying by PGIA assembly.The PWM adjusting part output PWM of main control unit controls air pump and inflates to cuff, cuff can be inflated with a more satisfactory aeration speed, the impact on pressure detecting while being beneficial to reduce to inflate.
The single-chip microcomputer (MCU) that the model that main control unit adopts Taiwan SONIX single-chip microcomputer company limited to produce is SN8P2839, analog digital conversion assembly, PGIA assembly and PWM adjusting part are integrated in described single-chip microcomputer.This model MCU, with resources such as AD, PWM, PGIA, facilitates the sampling to various simulation volumes and the power control to each load.When Measure blood pressure, governor circuit is inflated to cuff by air pump control unit and air cock control unit, in the time that the air pressure in cuff reaches certain atmospheric pressure value, the signal of weak and faint pulse just can make pressure transducer produce small variation, the peripheral circuit of master control IC detecting unit just can be detected by AD after signal small pulse being amplified by the PGIA function carrying after building, after a series of formula and algorithm, just can obtain diastolic pressure and the systolic pressure of required measurement, and pulse.When measure results abnormity or measure posture not to time, can point out bomp.
Electric sphygmomanometer application circuit also comprises battery electric quantity detecting unit, display unit, the back light unit of light source is provided to display unit, and the voice broadcast unit being coupled with main control unit.Described main control unit also comprises bomp assembly, blood pressure warning component, voice broadcast assembly, memory storage components, time and the alarm clock assembly of following by key control unit coupling.LCD display is selected in display unit unit.
As shown in Figure 2, measuring unit includes resistance R 2, R3, R7, R8, R23, R24, R26, R27, R28, R32, capacitor C 11, C14, C17, C18, C19, C20, C21, C22 and pressure transducer BR1; R3 is connected to MCU, and other end connecting resistance R2 is to ground, and the capacitor C 11 of a 1uf of indirect arrives MCU.R8 mono-termination AVDDR1, resistance R of another termination 7 is to ground, and capacitor C 14 of indirect is connected to MCU.R13 mono-termination AVDDR1 (reference voltage that MCU produces), one of a termination resistance R 12 is to ground, and centre is connected to 17 feet of master control IC.1,6 feet of pressure transducer are connected to MCU, and 2 feet of pressure transducer are connected to MCU after connecing a capacitor C 18, and 3 feet of pressure transducer are directly connected to MCU, a pull down resistor R19 ground connection, and 5 feet of pressure transducer are connected to MCU after connecing a capacitor C 17.Resistance R 24 one end are connected to MCU, and 2 capacitor C 21 of another termination are connected back MCU with after C22, and series capacitance C20 is connected to MCU, and resistance R 28 one end are connected to AVDDR1, resistance R 27 ground connection of another termination, resistance R of indirect 26 to MCU.One end of resistance R 23 is connected to MCU, connects a capacitor C 19 and connects back MCU again, and the other end connects back MCU, and one end of resistance R 23 connects a resistance R 32, then goes here and there capacitor C 26 ground connection.
As shown in Figure 3, power supply unit further comprises supplying cell and filter capacitor, also comprises the electrochemical capacitor C5 and the patch capacitor C6 that are connected to supplying cell outfan; Between described supplying cell outfan and earth terminal, be also serially connected with two divider resistances (R20 and R21), the electrical measurement pin of described control unit is coupled between two divider resistances.Supplying cell is that No. 5 aneroid battery of four joint 1.5V are composed in series, and 6VDC power supply is provided, and power supply is provided after capacitor filtering, to whole circuit.The detection of cell voltage by two each and every one divider resistances by the lower voltage of battery so that single-chip microcomputer detects, detect in real time the electric weight of battery, in the time that battery electric quantity is not enough, point out.
This utility model, owing to having adopted unique Intelligent rising measuring technique, is Auto-Sensing blood pressure and heart rate in pressure process, has improved the comfort of measuring when improving measuring speed, guarantees the accurate of measurement data simultaneously.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For this utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (6)
1. an electric sphygmomanometer application circuit, it is characterized in that, include main control unit, for whole circuit provides the power supply unit of power supply, with main control unit be electrically connected by key control unit, inflation air pump control unit, bleed air valve control unit, VCU, memory storage unit and measuring unit, described measuring unit comprise with main control unit coupling, for reading the pressure transducer of blood pressure, pulse; Described main control unit reads the data acquisition assembly of pressure sensing information while being included in the inflation of inflation air pump.
2. a kind of electric sphygmomanometer application circuit as claimed in claim 1, is characterized in that, described main control unit also comprises analog digital conversion assembly, PGIA assembly, and the signal of described pressure transducer sends to described analog digital conversion assembly after amplifying by PGIA assembly.
3. a kind of electric sphygmomanometer application circuit as claimed in claim 2, is characterized in that, described main control unit also comprises the PWM adjusting part with the coupling of inflation air pump control unit.
4. a kind of electric sphygmomanometer application circuit as claimed in claim 2, is characterized in that, described main control unit comprises that model is the single-chip microcomputer of SN8P2839, and described analog digital conversion assembly, PGIA assembly and PWM adjusting part are integrated in described single-chip microcomputer.
5. a kind of electric sphygmomanometer application circuit as claimed in claim 1, it is characterized in that, described electric sphygmomanometer application circuit also comprises battery electric quantity detecting unit, display unit, the back light unit of light source is provided to display unit, and the voice broadcast unit being coupled with main control unit.Described main control unit also comprises bomp assembly, blood pressure warning component, voice broadcast assembly, memory storage components, time and the alarm clock assembly of following by key control unit coupling.
6. a kind of electric sphygmomanometer application circuit as claimed in claim 1, is characterized in that, described power supply unit further comprises supplying cell and filter capacitor, also comprises the electrochemical capacitor and the patch capacitor that are connected to supplying cell outfan; Between described supplying cell outfan and earth terminal, be also serially connected with two divider resistances, the electrical measurement pin of described control unit is coupled between two divider resistances.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420227293.2U CN203943663U (en) | 2014-04-25 | 2014-04-25 | A kind of electric sphygmomanometer application circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420227293.2U CN203943663U (en) | 2014-04-25 | 2014-04-25 | A kind of electric sphygmomanometer application circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203943663U true CN203943663U (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420227293.2U Expired - Fee Related CN203943663U (en) | 2014-04-25 | 2014-04-25 | A kind of electric sphygmomanometer application circuit |
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| CN (1) | CN203943663U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109893110A (en) * | 2019-03-06 | 2019-06-18 | 深圳市理邦精密仪器股份有限公司 | A kind of method and device for calibrating ambulatory blood pressure |
| CN110522434A (en) * | 2019-04-08 | 2019-12-03 | 深圳市贝斯曼精密仪器有限公司 | A kind of pressure-releasing control circuit of blood pressure detector |
-
2014
- 2014-04-25 CN CN201420227293.2U patent/CN203943663U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109893110A (en) * | 2019-03-06 | 2019-06-18 | 深圳市理邦精密仪器股份有限公司 | A kind of method and device for calibrating ambulatory blood pressure |
| CN109893110B (en) * | 2019-03-06 | 2022-06-07 | 深圳市理邦精密仪器股份有限公司 | Method and device for calibrating dynamic blood pressure |
| CN110522434A (en) * | 2019-04-08 | 2019-12-03 | 深圳市贝斯曼精密仪器有限公司 | A kind of pressure-releasing control circuit of blood pressure detector |
| CN110522434B (en) * | 2019-04-08 | 2024-05-14 | 深圳市贝斯曼精密仪器有限公司 | Deflation control circuit of blood pressure detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Shenzhen Yangbang Electronics Co.,Ltd. Document name: Notification of Passing Examination on Formalities |
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| DD01 | Delivery of document by public notice | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |