CN209951247U - Intelligent sphygmomanometer based on Internet of things - Google Patents
Intelligent sphygmomanometer based on Internet of things Download PDFInfo
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- CN209951247U CN209951247U CN201821419517.4U CN201821419517U CN209951247U CN 209951247 U CN209951247 U CN 209951247U CN 201821419517 U CN201821419517 U CN 201821419517U CN 209951247 U CN209951247 U CN 209951247U
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Abstract
The utility model relates to an intelligence sphygmomanometer based on thing networking, it includes the sleeve area, the sleeve area is connected with through the trachea and inflates the mechanism and establish the gassing mechanism on the trachea, the sleeve area still is connected with the sphygmomanometer body, the sphygmomanometer body includes MCU controller, blood pressure signal acquisition module, voice broadcast control circuit, liquid crystal display module and communication module, human blood pressure signal is gathered to blood pressure signal acquisition module utilization pressure sensor, and sends into the AD conversion interface of MCU controller obtains the blood pressure value through AD sampling and calculation, and blood pressure value data is transmitted to and the MCU controller is saved to show through liquid crystal display module, and intelligence sphygmomanometer can be through communication module with blood pressure data transmission to the data high in the clouds, conveniently is looked over at by survey user at any time.
Description
Technical Field
The utility model relates to a sphygmomanometer, concretely relates to intelligence sphygmomanometer based on thing networking.
Background
With the development of the modernization and the intellectualization of the medical apparatus, people have more and more diversified options of the sphygmomanometer. Traditional mercury meter is not only bulky, and is inconvenient to carry, and it is based on the heart sound to measure moreover, needs professional medical personnel's operation. The electronic sphygmomanometer on the market is also large in size, inconvenient to carry and poor in real-time monitoring effect.
An electronic sphygmomanometer disclosed in the patent application No. 201620828540.3 belongs to the field of medical appliances. The technical scheme of this patent is: the pressure measuring cuff comprises a sphygmomanometer body, a pressure measuring tube and a cuff belt and is characterized in that the cuff belt is provided with a pressure sensor and is connected with the sphygmomanometer body through the pressure measuring tube, the cuff belt is connected with an air bag, and an arm support frame is sewn on one side of the cuff belt. The patent can measure the blood pressure data values at different time and different temperature environments, but the blood pressure data values cannot be automatically recorded, and reliable and effective data support cannot be provided for the subsequent treatment.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses an intelligence sphygmomanometer based on thing networking can automatic recording measuring blood pressure numerical value, makes things convenient for subsequent prevention and treatment.
The utility model provides an intelligent sphygmomanometer based on Internet of things, which comprises a cuff, wherein the cuff is connected with an inflation mechanism and an deflation mechanism arranged on a trachea through the trachea, the cuff is also connected with a sphygmomanometer body, the sphygmomanometer body comprises an MCU (microprogrammed control unit) controller, a blood pressure signal acquisition module, a voice broadcast control circuit, a liquid crystal display module and a communication module, and the inflation mechanism is connected with the MCU controller and used for controlling the inflation mechanism to pressurize the cuff through the MCU controller;
the blood pressure signal acquisition module is connected with the MCU controller and is used for inputting acquired blood pressure signal values into the MCU controller;
the voice broadcast control circuit is connected with the MCU controller and is used for recording and playing voice information stored in the MCU controller;
the liquid crystal display module is connected with the MCU controller and is used for displaying information stored in the MCU controller;
the communication module is connected with the MCU controller and is used for uploading information stored in the MCU controller to a data cloud;
the deflation mechanism is connected with the MCU controller and used for controlling the deflation mechanism to release pressure for the cuff through the MCU controller.
Further, the MCU controller is a singlechip STC89C 52.
Furthermore, a key module is arranged in the sphygmomanometer body and connected with the MCU controller, and is used for inputting instructions to the MCU controller to trigger measurement actions.
Furthermore, a temperature measuring module is arranged in the sphygmomanometer body and connected with the MCU controller, and the temperature measuring module comprises a resistance-type humidity sensing element and an NTC temperature measuring element.
Furthermore, the blood pressure signal acquisition module is a measurement circuit formed by connecting a pressure sensor and an OR chip, and the pressure sensor is arranged on the cuff.
Furthermore, the pressure Sensor adopts a Sensor101, the nor chip adopts a 74HC02 chip with the model of MC74HC02AN, the measurement circuit of the blood pressure signal acquisition module further includes a seventh resistor R, an eighth resistor R8 and a fifth capacitor C5, a pin 2 and a pin 3 of the pressure Sensor101 are respectively connected with a pin 8 of an input terminal U2C of the chip MC74HC02AN, after the fifth capacitor C5 and the seventh resistor R7 are connected in parallel, one end of the fifth capacitor C5 is connected with a pin 1 of the pressure Sensor101, the other end of the fifth capacitor C5 is connected with a pin 6 of an input terminal U2B of the chip MC74HC AN, a pin 5 of an input terminal U2B of the chip MC74HC AN is grounded, a pin 4 of an input terminal U2B of the chip MC74HC02AN is connected with a pin 3 of an input terminal U2 MC A of the chip 74HC02, a pin 462 of the input terminal U A of the chip 74 AN is grounded, and the pin A of the input terminal U2 and the pin 583 of the chip MC74 MC 465 is connected with the input terminal U2 MC 583, a pin 10 of an input end U2C of the chip MC74HC02AN is connected with a pin 11 of an input end U2D of the chip MC74HC02AN, a pin 12 of an input end U2D of the chip MC74HC02AN is grounded, a pin 13 of an input end U2D of the chip MC74HC02AN is connected with a pin P35 of the singlechip STC89C52, a pin 7 of the chip MC74HC02AN is grounded, a pin 14 of the chip MC74HC02AN is connected with a power supply voltage Vcc, and an eighth resistor R8 is connected in parallel between a pin 1 of the pressure Sensor101 and the pin 10 of the input end U2C of the chip MC74HC02 AN.
Further, the MCU controller is controlled through an inflation control circuit to inflate the mechanism, the inflation mechanism is a miniature inflator pump, the inflation control circuit comprises a third resistor R3, a triode Q1 and a diode D3, a pin P20 of the singlechip STC89C52 is connected with the third resistor R3, the other end of the third resistor R3 is connected with a base of the triode Q1, a collector of the triode Q1 is grounded, an emitter of the triode Q1 is connected with a power pin 2 of the air outlet electromagnetic valve, a power pin 1 of the air outlet electromagnetic valve is connected with a power voltage Vcc, the diode D3 is connected in parallel between the power pin 1 and the power pin 2 of the air outlet electromagnetic valve, the anode of the diode D3 is connected with the emitter of the triode Q1, and the cathode of the diode D3 is connected with the power voltage Vcc.
Further, the MCU controller controls through gassing control circuit the gassing mechanism, the gassing mechanism is the solenoid valve of giving vent to anger, the gassing control circuit includes fourth resistance R4, triode Q2 and diode D4, singlechip STC89C 52's pin P21 connects fourth resistance R4, the fourth resistance R4 other end is connected triode Q2's base, triode Q2's collector ground, triode Q2's emitter is connected miniature inflator pump P3's power pin 2, miniature inflator pump P3's power pin 1 is connected mains voltage Vcc, parallelly connected diode D4 between miniature inflator pump P3's power pin 1 and the power pin 2, diode D4 positive pole is connected triode Q2's emitter, diode D4's negative pole is connected mains voltage Vcc.
Furthermore, the voice broadcast circuit comprises an ISD1820 chip, an LED lamp D1, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14, a sixteenth resistor R16, an eleventh capacitor C11 and a twelfth capacitorC12, a thirteenth capacitor C13, a fourteenth capacitor C14, a fifteenth capacitor C15, a sixteenth capacitor C16, a key PLAYL, a key PLAYE, a key RECORD, a SPEAKER SPEAKER and a microphone MIC, wherein buses of a pin VCCD and a pin VCCA of the chip ISD1820 are converged and connected with a power supply voltage Vcc, buses of a pin VSSD and a pin VSSA of the chip ISD1820 are converged and connected with the ground, a twelfth capacitor C12 is connected between a bus convergence of a pin VSSD and a pin VSSA of the chip ISD1820 and the power supply voltage Vcc in series, a pin SP + and a pin SP-of the chip ISD1820 are jointly connected with the SPEAKER SPEAKER, a REF pin REF of the chip ISD1820 is connected with the fourteenth capacitor C14, the other end of the fourteenth capacitor C14 is connected with one end of the microphone MIC, a pin MIC of the chip ISD1820 is connected with the fifteenth capacitor C15, the other end of the fifteenth capacitor C15 is connected with the microphone MIC, and one end of the microphone 13 is connected with, The eleventh resistor R11 is connected with a power supply voltage Vcc, and the other end of the microphone MIC is connected with a fourteenth resistor R14 in series and connected with a pin of the chip ISD1820
The thirteenth resistor R13, the microphone MIC and the fourteenth resistor R14 are connected in series and then connected in parallel with an eleventh capacitor C11, a pin AGC of the chip ISD1820 is connected with a sixteenth capacitor C16, the other end of the sixteenth capacitor C16 is grounded, a pin ROSC of the chip ISD1820 is connected with a twelfth resistor R12, the other end of the twelfth resistor R12 is grounded, a pin FT of the chip ISD1820 is grounded, a pin PLAYL of the chip ISD1820 is connected with a supply voltage Vcc in series after being connected with a key PLAYL, the key PLAYL is connected with a pin P24 of the singlechip 89C52, a pin PLAYE of the chip ISD1820 is connected with the supply voltage Vcc in series after being connected with a key PLAYE, the key PLAYE is connected with a pin P25 of the singlechip 89C52, a pin REC of the chip ISD1820 is connected with the supply voltage Vcc in series after being connected with a key RECORD, a pin of the chip ISD1820 is grounded, and a pin 1820 ofThe sixteenth resistor R16 and the indicator light D1 are connected in series and then connected with the power supply voltage Vcc, and the pin XCLK of the chip ISD1820 is grounded.
Furthermore, the communication mode of the communication module comprises WIFI and NB-IOT, and the data cloud comprises cloud databases such as Baidu cloud, Ali cloud, Oracle cloud or Tencent cloud.
The utility model provides a beneficial effect that technical scheme brought is: the utility model discloses can realize the real-time supervision of blood pressure to the long-range monitoring is realized to accessible wireless transmission module, and can save data, uses with the analysis in order to supply long-term monitoring, is favorable to carrying out timely prevention and treatment effectively to patient's blood pressure, simultaneously the utility model relates to a light, easily hand-carry, the practicality is strong.
Drawings
Fig. 1 is an overall system framework diagram of an embodiment of the present invention;
fig. 2 is a system work flow diagram of an embodiment of the present invention;
fig. 3 is a circuit diagram of a display circuit and a timing circuit in an embodiment of the present invention;
FIG. 4 is a schematic circuit diagram of the blood pressure collecting module according to the embodiment of the present invention;
FIG. 5 is a circuit diagram of a miniature inflator pump inflation control circuit according to an embodiment of the present invention;
FIG. 6 is a circuit diagram of a deflation control circuit of a micro inflator in an embodiment of the present invention;
fig. 7 is a circuit diagram of the voice broadcast control circuit according to the embodiment of the present invention.
Wherein: the blood pressure monitoring device comprises an MCU (microprogrammed control Unit) controller 1, a blood pressure signal acquisition module 2, a temperature measuring module 3, an air charging and discharging control circuit 4, a voice broadcasting control circuit 5, a liquid crystal display module 6, a key module 7, a communication module 8 and a data cloud end 9.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
The embodiment of the utility model discloses an intelligent sphygmomanometer based on the Internet of things, which comprises a cuff, wherein the cuff is connected with a communicated micro inflator pump for inflating the cuff, and an air pipe connected with the micro inflator pump and the cuff is also provided with an air outlet electromagnetic valve for discharging air in the cuff;
referring to fig. 1, the sphygmomanometer further comprises a sphygmomanometer body connected with a cuff, the sphygmomanometer body comprises an MCU controller 1, a blood pressure signal acquisition module 2, a temperature measurement module 3, an inflation and deflation control circuit 4, a voice broadcast control circuit 5, a liquid crystal display module 6, a key module 7, a communication module 8 and a data cloud 9, the blood pressure signal acquisition module 2 transmits acquired pressure signals and temperature information detected by the temperature measurement module 3 into the MCU controller 1, the MCU controller 1 controls the inflation and deflation control circuit 4 to respectively control the micro inflator pump and the air outlet solenoid valve to inflate and deflate in cooperation with the key module 7, the voice broadcast control circuit 5 performs voice broadcast on a blood pressure value detected in real time and can display on the liquid crystal display module 6, and the blood pressure information and the temperature information detected by the cloud can be uploaded to a data 9 through the communication module 8, and (5) sorting and storing the data.
In this embodiment, the MCU controller 1 is an 8-bit microcontroller STC89C52 of a low-power-consumption and high-performance CMOS, and has an 8 kbyte system programmable FLASH memory, a 512-byte RAM, and a 32-bit I/O port line, which can rapidly collect the analog detected by the sensor, and can control the micro inflator and the air outlet solenoid valve to inflate and deflate the cuff.
Referring to fig. 4, the blood pressure signal acquisition module 2 is a measurement circuit formed by connecting a pressure Sensor and a nor chip, the pressure Sensor adopts a Sensor101, the pressure Sensor101 is a capacitive pressure Sensor, the measurement range of the pressure Sensor is 0-40kPa, the pressure Sensor101 is installed on a cuff of the sphygmomanometer and used for pressurizing a film on the surface of the pressure Sensor101 after air is filled in the cuff, the film can deform when sensing pressure, so that capacitance generated between the film and a fixed electrode is changed, and an electric signal in a certain relation with voltage is output on the measurement circuit;
the nor chip adopts a 74HC02 chip, the model is MC74HC02AN, 74HC02 chip is 4 groups of 2-input-end nor (positive logic) chips, and is a high-speed metal-oxide semiconductor complementary CMOS device, which complies with JEDEC standard No.7A, and the pin is compatible with low power consumption schottky transistor logic (lsttl) series, and the truth table is shown in table 1 below:
where H represents high, L represents low, and X represents an unknown signal.
It can be concluded that the high level is output only when all of the 2 pins of the 74HC02 chip input the low level, otherwise the low level is output uniformly.
With reference to fig. 4, the measurement circuit of the blood pressure signal acquisition module 2 includes a pressure Sensor101, a chip MC74HC02AN, a seventh resistor R, an eighth resistor R8, and a fifth capacitor C5, the pin 2 and the pin 3 of the pressure Sensor101 are respectively connected to the pin 8 of the input terminal U2C of the chip MC74HC02AN, after the fifth capacitor C5 and the seventh resistor R7 are connected in parallel, one end of the fifth capacitor C5 is connected to the pin 1 of the pressure Sensor101, the other end of the fifth capacitor C5 is connected to the pin 6 of the input terminal U2B of the chip MC74HC02AN, the pin 5 of the input terminal U2B of the chip MC74HC AN is grounded, the pin 4 of the input terminal U2B of the chip MC74HC02AN is connected to the pin 3 of the input terminal U2A of the chip MC74HC AN, the pin 2A of the input terminal U2 of the chip MC74HC AN is grounded, the pin 865 of the input terminal U2 8656 of the chip MC74HC 8653 is connected to the input terminal U863 of the chip MC74HC 869 of the chip MC74HC 8653, a pin 12 of an input end U2D of the chip MC74HC02AN is grounded, a pin 13 of an input end U2D of the chip MC74HC02AN is connected with a pin P35 of the single chip STC89C52, a pin 7 of the chip MC74HC02AN is grounded, a pin 14 of the chip MC74HC02AN is connected with a power supply voltage Vcc, and an eighth resistor R8 is connected in parallel between a pin 1 of the pressure Sensor101 and a pin 10 of an input end U2C of the chip MC74HC02 AN.
According to the measurement circuit in the blood pressure signal acquisition module 2, a pin 1 of the pressure Sensor101 is an output voltage, and a pin 2 and a pin 3 are reference voltages; when the pin 1 of the pressure Sensor101 inputs a high level, the pin 4 of the input terminal U2B of the chip MC74HC02AN outputs a low level, the pin 1 of the input terminal U2A of the chip MC74HC02AN outputs a high level, the pin 10 of the input terminal U2C of the chip MC74HC02AN outputs a low level, and the pin 13 of the input terminal U2D of the chip MC74HC02AN outputs a high level;
when the pin 1 of the pressure Sensor101 inputs a low level, the pin 4 of the input terminal U2B of the chip MC74HC02AN outputs a high level, the pin 1 of the input terminal U2A of the chip MC74HC02AN outputs a low level, the pin 10 of the input terminal U2C of the chip MC74HC02AN outputs a high level, and the pin 13 of the input terminal U2D of the chip MC74HC02AN outputs a low level; meanwhile, the input ends U2A, U2B and U2C of the chip MC74HC02AN are equivalent to an amplifier, and the input ends U2A, U2B and U2C and the seventh resistor R7 and the eighth resistor R8 form a negative feedback type Schmitt trigger, so that the output stability of the circuit is ensured.
The temperature measuring module 3 is a temperature and humidity sensor, the temperature and humidity sensor adopts DHT11, and includes a resistance-type humidity sensing element and an NTC temperature measuring element, the range of the resistance-type humidity sensing element is 20% -90% RH, and humidity information around the sphygmomanometer can be measured, the range of the NTC temperature measuring element is 0 ℃ -50 ℃, and temperature information around the sphygmomanometer can be measured, please refer to fig. 3, pin 1 of the DHT11 sensor is connected to a power supply voltage Vcc, pin 2NC is a passive port, a data output pin 3 is connected to a pin P15 of the single chip microcomputer STC89C52, pin 4 is grounded, and temperature and humidity data measured by the pin 3 of the DHT11 sensor is transmitted to the single chip microcomputer STC89C 52.
The inflation and deflation control circuit 4 is configured to receive a pressure signal of the pressure sensor, and respectively control the micro inflator pump and the air outlet solenoid valve under the processing of the MCU controller 1, so as to complete inflation and deflation of the cuff, referring to fig. 5, the inflation control circuit includes a third resistor R3, a triode Q1 and a diode D3, a pin P20 of the single-chip STC89C52 is connected to the third resistor R3, the other end of the third resistor R3 is connected to a base of the triode Q1, a collector of the triode Q1 is grounded, an emitter of the triode Q1 is connected to a power pin 2 of the air outlet solenoid valve, a power pin 1 of the air outlet electrical valve is connected to a power voltage Vcc, a diode D3 is connected in parallel between the power pin 1 and the power pin 2 of the air outlet solenoid valve, an anode of the diode D3 is connected to the emitter of the triode Q1, the cathode of the diode D3 is connected with the power supply voltage Vcc, and the diode D3 is a protection diode and is used for enabling the air outlet electromagnetic valve to work stably;
when the cuff is inflated to 180mmHg under the control of the controller MCU, a pin P20 of the singlechip STC89C52 sends a signal to a third resistor R3 and transmits a voltage signal to the base electrode of the triode Q1, so that the triode Q1 is conducted, a voltage of +5V is output, and the air outlet electromagnetic valve is conducted to discharge air. The air outlet speed of the air outlet electromagnetic valve is controlled in a PWM mode, and the air leakage rate is adjusted in a specification range according to the pressure value change during air outlet of the single chip microcomputer STC89C 52.
Referring to fig. 6, the deflation control circuit includes a fourth resistor R4, a transistor Q2 and a diode D4, a pin P21 of the single-chip STC89C52 is connected to the fourth resistor R4, the other end of the fourth resistor R4 is connected to a base of the transistor Q2, a collector of the transistor Q2 is grounded, an emitter of the transistor Q2 is connected to a power pin 2 of the micro inflator P3, a power pin 1 of the micro inflator P3 is connected to a power voltage Vcc, a diode D4 is connected in parallel between the power pin 1 and the power pin 2 of the micro inflator P3, an anode of the diode D4 is connected to an emitter of the transistor Q2, a cathode of the diode D4 is connected to the power voltage Vcc, and the diode D4 is a protection diode for stabilizing the operation of the micro inflator P3;
the working voltage of the micro inflator pump is 3-6V, the rated voltage is 6V, the rated current is 250mA, the usable pressure range is 0-450mmHg, and the micro inflator pump has the advantages of high inflation speed, low noise, long service life and the like.
The controller MCU controls the deflation circuit to be similar to the inflation control circuit, a pin P21 of the singlechip STC89C52 outputs a low level signal of about 0.6V to the fourth resistor R4, and a voltage signal is transmitted to the base electrode of the triode Q2, so that the triode Q2 is conducted, a voltage of +6V is output, the miniature inflator P3 is conducted and electrified, the cuff is inflated, and deflation is started when the inflation pressure in the cuff reaches 180 mmHg.
The voice broadcasting control circuit 5 is controlled by the MCU to perform voice broadcasting on the blood pressure value calculated by the blood pressure signal collecting module 2, and provides a proper voice prompt according to the comparison of the normal blood pressure, referring to fig. 7, the voice broadcasting circuit includes an ISD1820 chip, an LED lamp D1, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14, a sixteenth resistor R16, an eleventh capacitor C11, a twelfth capacitor C12, a thirteenth capacitor C13, a fourteenth capacitor C14, a fifteenth capacitor C15, a sixteenth capacitor C16, a button PLAYL, a button PLAYE, a button reord, a SPEAKER and a microphone MIC, the bus of the pins VCCD and VCCA of the chip ISD1820 is converged and connected with a power supply voltage Vcc, the bus of the pins VSSA and VSSA of the chip ISD1820 is grounded, and the bus of the power supply voltage Vcc is also connected in series between the VSSD 1820 pin VSSD and the twelfth capacitor C12, the pins SP + and SP-of the chip ISD1820 are connected with a SPEAKER, the pin MIC REF of the chip ISD1820 is connected with a fourteenth capacitor C14, the other end of the fourteenth capacitor C14 is connected with one end of a microphone MIC, the pin MIC of the chip ISD1820 is connected with a fifteenth capacitor C15, the other end of the fifteenth capacitor C15 is connected with the other end of the microphone MIC, one end of the microphone MIC is sequentially connected with a thirteenth resistor R13, an eleventh resistor R11 in series to be connected with a power supply voltage Vcc, and the other end of the microphone MIC is connected with a fourteenth resistor R14 in series to be connected with the pin of the chip ISD1820
The thirteenth resistor R13, the microphone MIC and the fourteenth resistor R14 are connected in series and then connected in parallel with an eleventh capacitor C11, a pin AGC of the chip ISD1820 is connected with a sixteenth capacitor C16, the other end of the sixteenth capacitor C16 is grounded, a pin ROSC of the chip ISD1820 is connected with a twelfth resistor R12, the other end of the twelfth resistor R12 is grounded, a pin FT of the chip ISD1820 is grounded, a pin PLAYL of the chip ISD1820 is connected with a supply voltage Vcc in series after being connected with a key PLAYL, the key PLAYL is connected with a pin P24 of the singlechip 89C52, a pin PLAYE of the chip ISD1820 is connected with the supply voltage Vcc in series after being connected with a key PLAYE, the key PLAYE is connected with a pin P25 of the singlechip 89C52, a pin REC of the chip ISD1820 is connected with the supply voltage Vcc in series after being connected with a key RECORD, a pin of the chip ISD1820 is grounded, and a pin 1820 of
The sixteenth resistor R16 and the indicator light D1 are connected in series and then connected with the power supply voltage Vcc, and the pin XCLK of the chip ISD1820 is grounded.
When the chip is used, the key RECORD is pressed to enable the pin REC to input high level, at the moment, the chip ISD1820 enters a recording state, and meanwhile, the pin
When the voice is low level and the LED lamp D1 is driven to light, voice spoken by an operator is input to the chip ISD1820 from the pin MIC and amplified by a connected preamplifier, the pin AGC dynamically adjusts a pre-gain to compensate wide variation of the input level of a microphone, so that distortion can be kept to a minimum when recording volume with large variation (from whisper to noise), the recording period is ended when the key RECORD is released to reduce the pin REC to low level, the chip ISD1820 automatically writes an information ending mark to stop the subsequent playback operation in time, then the chip ISD1820 enters a power-saving state, and the LED lamp D1 is turned off;
the pin P24 of the single chip STC89C52 sends a level signal from low to high to the pin PLAYL of the chip ISD1820, the single chip STC89C52 can be controlled to play sound, a digital control signal can be sent to the pin PLAYE of the chip ISD1820 through the pin P25 of the single chip STC89C52, the signal is triggered when reaching the upper edge and controls the single chip STC89C52 to play sound, the single chip STC89C52 outputs a voice signal through a pin SP + and a pin SP-to be played by a SPEAKER SPEAKER, and the time for recording and playing sound is determined by the resistance value of a connecting oscillation resistor of the pin ROSC.
Referring to fig. 3, the LCD includes a color screen of about 5 inches, a display circuit is connected between the LCD and the STC89C52, the LCD is an LCD of LCD1602 type, the display circuit includes a LCD1602, a twenty-second circuit R22, a thirty-first resistor R30, a thirty-first resistor R31, a thirty-second resistor R32, a thirty-third resistor R33, a thirty-fourth resistor R34, a thirty-fifth resistor R35, a thirty-sixth resistor R36 and a thirty-seventh resistor R37, a pin GND and a pin BLK of the LCD1602 are grounded, a pin VCOM of the LCD1602 is grounded after being connected to the twenty-second resistor R22, a pin VCC of the LCD1602 and a pin BLA of the LCD1602 are connected to a power supply voltage, a pin RS of the LCD1602 is connected to a pin P22 of the single-chip microcomputer, a pin RW of the LCD1602 is connected to a pin P45 of the STC89C52, a pin E of the single-chip STC89C 85p 20 is connected to a pin 85p 20 of the single-chip microcomputer, the pin D0 of the LCD1602 is connected with the pin P00 of the singlechip STC89C52, the pin D0 of the LCD1602 is connected with the power supply voltage Vcc after being connected with a thirty-first resistor R30 in series, the pin D1 of the LCD1602 is connected with the pin P01 of the singlechip STC89C52, the pin D1 of the LCD1602 is connected with the power supply voltage Vcc after being connected with a thirty-first resistor R31 in series, the pin D31 of the LCD1602 is connected with the pin P31 of the singlechip STC89C 31 in series, the pin D31 of the LCD1602 is connected with the power supply voltage Vcc after being connected with a thirty-second resistor R31 in series, the pin D31 of the LCD1602 is connected with the pin P31 of the singlechip STC89C 31 in series, the pin D31 of the LCD1602 is connected with the power supply voltage Vcc after being connected with a thirty-third resistor R31 in series, the pin D31 of the LCD1602 is connected with the pin P31 of the singlechip STC 31 in series, the pin D31 of the LCD1602, and the pin D31 of the LCD1602 is connected with the power supply voltage Vcc 72 after being connected with the pin D31 of the singlechip ST, the pin D6 of the LCD1602 is connected with the pin P06 of the singlechip STC89C52, the pin D6 of the LCD1602 is connected with a thirty-sixth resistor R36 in series and then connected with the power supply voltage Vcc, the pin D7 of the LCD1602 is connected with the pin P07 of the singlechip STC89C52, and the pin D7 of the LCD1602 is connected with a thirty-seventh resistor R37 in series and then connected with the power supply voltage Vcc.
When the liquid crystal display is carried out, when the pin RS of the singlechip STC89C52 outputs a high level, the pin RW outputs a high level, the received data is read out, when the pin RW outputs a low level, the received data is stored, and meanwhile, signals are transmitted to the pins D0-D7 of the LCD1602 through the pins P00-P07 of the singlechip STC89C52, so that various data information is displayed on the liquid crystal display screen.
When the blood pressure is measured, the liquid crystal display screen displays the currently detected high pressure value (mmHg) and low pressure value (mmHg), and analyzes according to the currently detected blood pressure value to display the current blood pressure condition. Generally, blood pressure conditions are classified into 5 categories: ideal blood pressure (general high pressure <120mmHg, low pressure <80mmHg), normal blood pressure (general high pressure 140-. When the user performs the second blood pressure measurement, the numerical value changes of the high pressure value and the low pressure value can be displayed through the key module 77, and according to your blood pressure condition, the user is given a proper opinion (for example, whether the user is suitable for outdoor travel, eating habits, and the like).
When the temperature and humidity sensor DHT11 is not used for measuring, the liquid crystal display screen can display the temperature and humidity data measured by the temperature and humidity sensor DHT11, and a clock signal is generated by utilizing external timing elements of a crystal oscillator pin XTAL1 and an XTAL2 of the singlechip STC89C52 to form a clock circuit, so that the current time is displayed through the liquid crystal display screen.
With reference to fig. 3, the clock circuit includes an external crystal oscillator XTAL, a twenty-first capacitor C21 and a twenty-second capacitor C22, the crystal oscillator pins XTAL1 and XTAL2 of the single-chip STC89C52 are connected to the twenty-first capacitor C21 and the twenty-second capacitor C22, respectively, and then grounded, and the external crystal oscillator XTAL is connected in parallel between the crystal oscillator pins XTAL1 and XTAL2 of the single-chip STC89C 52.
The data cloud 9 comprises cloud databases such as Baidu cloud, Ali cloud, Oracle cloud or Tencent cloud, and the cloud databases are large in storage space and long in storage time.
The communication mode of the communication module 8 comprises WIFI and NB-IOT, and under the condition of a network broadband, the data remote end is connected with the singlechip STC89C52 in a WIFI mode; under the condition of no network broadband or poor broadband signals, the data remote end and the singlechip STC89C52 adopt an NB-IOT network communication mode, and the mode has the characteristics of low power consumption, low cost, wide connection and the like.
When the blood pressure monitoring device is used, the MCU controller 1 transmits the calculated blood pressure value data to the data cloud end 9 through the communication module 8 to store and arrange the data, people can log in a cloud end database on a data terminal (such as a mobile phone, a tablet, a PC (personal computer) and the like), check the blood pressure value data of a month, analyze a blood pressure value data oscillogram, provide corresponding improvement suggestions according to the blood pressure trend change, help to know the blood pressure change rule of the people, improve the health level of the people and provide reliable data guarantee for the health condition in the future.
Referring to fig. 2, the operation flow of the sphygmomanometer in use is as follows:
step S1: initializing the single chip microcomputer system, and pressing a key for blood pressure detection;
step S2: the MCU controller 1 controls the micro inflator pump to inflate the cuff;
step S3: the pressure sensor detects the blood pressure value of the measured person, the blood pressure value is converted into a digital signal through an A/D acquisition module of the single chip microcomputer and transmitted to the single chip microcomputer, and the measured blood pressure value is calculated through the MCU controller;
step S4: the display screen displays the blood pressure value calculated by the singlechip in the step S3, the temperature value and the humidity value transmitted by the temperature and humidity sensor are displayed on the display screen in real time, and when the stored blood pressure value is higher than or lower than a normal range, voice broadcasting reminding is carried out through a SPEAKER SPEAKER;
step S5: the communication module 8 transmits the blood pressure value in the singlechip to the data cloud end 9 for storage;
step S6: when the inflation pressure in the cuff reaches 180mmHg, the micro inflation pump stops inflating the cuff, and the MCU controller 1 controls the air outlet electromagnetic valve to deflate the cuff, thereby completing one complete blood pressure measurement operation.
The specific embodiments described in the present application are merely illustrative of the spirit of the present invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict. The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides an intelligence sphygmomanometer based on thing networking, includes the sleeve area, the sleeve area is connected with through the trachea and inflates the mechanism and establish the gassing mechanism on the trachea, its characterized in that: the cuff is also connected with a sphygmomanometer body, the sphygmomanometer body comprises an MCU (microprogrammed control unit) controller, a blood pressure signal acquisition module, a voice broadcast control circuit, a liquid crystal display module and a communication module, and the inflation mechanism is connected with the MCU controller and used for controlling the inflation mechanism to pressurize the cuff through the MCU controller;
the blood pressure signal acquisition module is connected with the MCU controller and is used for inputting acquired blood pressure signal values into the MCU controller;
the voice broadcast control circuit is connected with the MCU controller and is used for recording and playing voice information stored in the MCU controller;
the liquid crystal display module is connected with the MCU controller and is used for displaying information stored in the MCU controller;
the communication module is connected with the MCU controller and is used for uploading information stored in the MCU controller to a data cloud;
the deflation mechanism is connected with the MCU controller and used for controlling the deflation mechanism to release pressure for the cuff through the MCU controller.
2. The intelligent sphygmomanometer based on the internet of things as claimed in claim 1, wherein: the MCU controller is a singlechip STC89C 52.
3. The intelligent sphygmomanometer based on the internet of things as claimed in claim 1, wherein: the sphygmomanometer body is internally provided with a key module, and the key module is connected with the MCU controller and used for inputting instructions to the MCU controller and triggering measurement actions.
4. The intelligent sphygmomanometer based on the internet of things as claimed in claim 1, wherein: the sphygmomanometer body is internally provided with a temperature measuring module, the temperature measuring module is connected with the MCU controller, and the temperature measuring module comprises a resistance type humidity sensing element and an NTC temperature measuring element.
5. The intelligent sphygmomanometer based on the internet of things as claimed in claim 2, wherein: the blood pressure signal acquisition module is a measuring circuit formed by connecting a pressure sensor and an OR-NOT chip, and the pressure sensor is arranged on the cuff.
6. The intelligent sphygmomanometer based on the internet of things as claimed in claim 5, wherein: the pressure Sensor adopts a Sensor101, the nor chip adopts a 74HC02 chip with the model of MC74HC02AN, the measurement circuit of the blood pressure signal acquisition module further comprises a seventh resistor R, an eighth resistor R8 and a fifth capacitor C5, a pin 2 and a pin 3 of the pressure Sensor101 are respectively connected with a pin 8 of an input terminal U2C of the chip MC74HC02AN, after the fifth capacitor C5 and the seventh resistor R7 are connected in parallel, one end of the fifth capacitor C5 is connected with a pin 1 of the pressure Sensor101, the other end of the fifth capacitor C5 is connected with a pin 6 of an input terminal U2B of the chip MC74HC AN, a pin 5 of an input terminal U2B of the chip MC74HC AN is grounded, a pin 4 of an input terminal U2B of the chip MC74HC02AN is connected with a pin 3 of an input terminal U2A of the chip MC74HC02, a pin 2 of an input terminal U A of the chip MC 02AN is grounded, and a pin A of the chip MC 583 of the input terminal U2 465 of the chip MC74HC AN is connected with a pin 583, a pin 10 of an input end U2C of the chip MC74HC02AN is connected with a pin 11 of an input end U2D of the chip MC74HC02AN, a pin 12 of an input end U2D of the chip MC74HC02AN is grounded, a pin 13 of an input end U2D of the chip MC74HC02AN is connected with a pin P35 of the singlechip STC89C52, a pin 7 of the chip MC74HC02AN is grounded, a pin 14 of the chip MC74HC02AN is connected with a power supply voltage Vcc, and an eighth resistor R8 is connected in parallel between a pin 1 of the pressure Sensor101 and the pin 10 of the input end U2C of the chip MC74HC02 AN.
7. The intelligent sphygmomanometer based on the internet of things as claimed in claim 2, wherein: the MCU controller passes through gassing control circuit control gassing mechanism, gassing mechanism is the solenoid valve of giving vent to anger, gassing control circuit includes fourth resistance R4, triode Q2 and diode D4, singlechip STC89C 52's pin P21 connects fourth resistance R4, the fourth resistance R4 other end is connected triode Q2's base, triode Q2's collecting electrode ground connection, triode Q2's emitter is connected miniature inflator pump P3's power pin 2, miniature inflator pump P3's power pin 1 is connected mains voltage Vcc, parallelly connected diode D4 between miniature inflator pump P3's power pin 1 and the power pin 2, diode D4 positive pole is connected triode Q2's emitter, diode D4's negative pole is connected mains voltage Vcc.
8. The intelligent sphygmomanometer based on the internet of things as claimed in claim 7, wherein: the MCU controller is controlled through an inflation control circuit to inflate the mechanism, the inflation mechanism is a miniature inflator pump, the inflation control circuit comprises a third resistor R3, a triode Q1 and a diode D3, a pin P20 of the singlechip STC89C52 is connected with the third resistor R3, the other end of the third resistor R3 is connected with a base electrode of the triode Q1, a collector electrode of the triode Q1 is grounded, an emitter electrode of the triode Q1 is connected with a power supply pin 2 of the air outlet electromagnetic valve, a power supply pin 1 of the air outlet electromagnetic valve is connected with a power supply voltage Vcc, the diode D3 is connected in parallel between the power supply pin 1 and the power supply pin 2 of the air outlet electromagnetic valve, an anode of the diode D3 is connected with an emitter electrode of the triode Q1, and a cathode of the diode D3 is connected with the power supply.
9. The intelligent sphygmomanometer based on the internet of things as claimed in claim 2, wherein: the voice broadcast control circuit comprises an ISD1820 chip, an LED lamp D1, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14, a sixteenth resistor R16, an eleventh capacitor C11, a twelfth capacitor C12, a thirteenth capacitor C13, a fourteenth capacitor C14, a fifteenth capacitor C15, a sixteenth capacitor C16, a button PLAYL, a button PLAYE, a button RECORD, a loudspeaker SPEAKER and a microphone MIC, wherein a power supply voltage Vcc is connected with a bus junction of a pin VSCD and a VCCA of the chip ISD1820, a ground is connected with a bus junction of a pin VSSD and a VSSA of the chip ISD1820, a twelfth capacitor C12 is connected in series between the bus junction of the pin VSSD and the VSSA of the chip ISD1820 and the power supply voltage Vcc, a pin SP + and a SP-of the chip ISD1820 are commonly connected with the loudspeaker, a fourteenth capacitor VCAKC 4642 is connected with a fourteenth capacitor VCMIC 84 at the other end of the chip ISD1820, a pin MIC of the chip ISD1820 is connected with a fifteenth capacitor C15, the other end of the fifteenth capacitor C15 is connected with the other end of a microphone MIC, one end of the microphone MIC is sequentially connected with a thirteenth resistor R13 and an eleventh resistor R11 in series to be connected with a power supply voltage Vcc, and the other end of the microphone MIC is connected with a power supply voltage VccA terminal series fourteenth resistor R14 is connected with the pin of the chip ISD1820
The thirteenth resistor R13, the microphone MIC and the fourteenth resistor R14 are connected in series and then connected in parallel with an eleventh capacitor C11, a pin AGC of the chip ISD1820 is connected with a sixteenth capacitor C16, the other end of the sixteenth capacitor C16 is grounded, a pin ROSC of the chip ISD1820 is connected with a twelfth resistor R12, the other end of the twelfth resistor R12 is grounded, a pin FT of the chip ISD1820 is grounded, a pin PLAYL of the chip ISD1820 is connected with a power supply voltage Vcc after being connected with a serial key PLAYL, the key PLAYL is connected with a pin P24 of the singlechip 89C52, a pin PLAYE of the chip ISD1820 is connected with the power supply voltage Vcc after being connected with a serial key PLAYE, the key PLAYE is connected with a pin P25 of the C52, a pin REC of the chip ISD1820 is connected with the serial key RECORD, the power supply voltage Vcc is grounded, a pin of the chip ISD1820 is connected with a pin 1820
The sixteenth resistor R16 and the indicator light D1 are connected in series and then connected with the power supply voltage Vcc, and the pin XCLK of the chip ISD1820 is grounded.
10. The intelligent sphygmomanometer based on the internet of things as claimed in claim 1, wherein: the communication mode of the communication module comprises WIFI and NB-IOT, and the data cloud end comprises a cloud end database of Baidu cloud, Ali cloud, Oracle cloud or Tencent cloud.
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| CN201821419517.4U CN209951247U (en) | 2018-08-30 | 2018-08-30 | Intelligent sphygmomanometer based on Internet of things |
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| CN201821419517.4U CN209951247U (en) | 2018-08-30 | 2018-08-30 | Intelligent sphygmomanometer based on Internet of things |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009045A (en) * | 2018-08-30 | 2018-12-18 | 中国地质大学（武汉） | A kind of intelligent sphygmomanometer based on Internet of Things |
| CN113098971A (en) * | 2021-04-12 | 2021-07-09 | 深圳市景新浩科技有限公司 | Electronic blood pressure counting data transmission monitoring system based on internet |
-
2018
- 2018-08-30 CN CN201821419517.4U patent/CN209951247U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009045A (en) * | 2018-08-30 | 2018-12-18 | 中国地质大学（武汉） | A kind of intelligent sphygmomanometer based on Internet of Things |
| CN113098971A (en) * | 2021-04-12 | 2021-07-09 | 深圳市景新浩科技有限公司 | Electronic blood pressure counting data transmission monitoring system based on internet |
| CN113098971B (en) * | 2021-04-12 | 2021-10-22 | 深圳市景新浩科技有限公司 | Electronic blood pressure counting data transmission monitoring system based on internet |
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