CN219270901U - Ultrasonic pump sphygmomanometer - Google Patents
Ultrasonic pump sphygmomanometer Download PDFInfo
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- CN219270901U CN219270901U CN202320790681.0U CN202320790681U CN219270901U CN 219270901 U CN219270901 U CN 219270901U CN 202320790681 U CN202320790681 U CN 202320790681U CN 219270901 U CN219270901 U CN 219270901U
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Abstract
The utility model discloses an ultrasonic pump sphygmomanometer which is provided with a shell and a middleware, wherein the middleware comprises a circuit board, a battery and an information display screen, a micro-control circuit, a power circuit, a data acquisition circuit, an air pressure regulating circuit and an audio output circuit are arranged on the circuit board, an oscillometric method is used for measuring blood pressure values through a pressurizing pump and an air pressure sensor, two blood pressure measuring loops are designed on the circuit board, a sound signal of pulse can be obtained through the audio output circuit, the Korotkoff sound method is used for measuring blood pressure, the blood pressure measuring precision is improved by combining various blood pressure measuring modes, the service life of the sphygmomanometer is prolonged, the measuring accuracy of the Korotkoff sound method under different environments is further improved, and the ultrasonic pump sphygmomanometer is simple in using operation steps and suitable for a household environment.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to an ultrasonic pump sphygmomanometer.
Background
The sphygmomanometer is an instrument for measuring blood pressure, is a common basic device in hospitals, and is convenient for people to measure blood pressure and monitor physical conditions at any time along with the increasing importance of people on health and the increasing proportion of people suffering from hypertension in society, so that the living state can be adjusted in time or the patients can visit the hospitals according to the blood pressure condition.
The measurement principle of the sphygmomanometer in the market can be divided into an auscultation method and an oscillometric method, wherein the auscultation method is also called a Korotkoff sound method, the method for measuring blood pressure by using Korotkoff sound is characterized in that a common instrument is a traditional mercury sphygmomanometer, the sphygmomanometer has a certain technical requirement on a user, the sphygmomanometer needs to have the ability of hearing the Korotkoff sound of the blood pressure in a skilled and accurate manner, the accurate blood pressure value indicated by the manometer is recorded, and the Korotkoff sound method has higher accuracy for professional operators, but has complex operation and certain threshold requirement on the user, and is mainly applied to medical institutions such as hospitals at present; the oscillometric rule is widely applied to electronic sphygmomanometers, the blood pressure is estimated according to the relation between pulse wave amplitude and air sleeve pressure, and a measurement result is directly displayed on a screen. Therefore, there is a need for a blood pressure measuring instrument that is simple to operate, has high measurement accuracy, and has a longer life cycle, and is convenient to carry for use at home and outdoors.
Disclosure of Invention
Aiming at the problems in the prior art, the ultrasonic pump sphygmomanometer is simple to operate and convenient to carry, has higher measurement accuracy, and effectively prolongs the service cycle of the sphygmomanometer.
The specific technical scheme is as follows:
the utility model provides an ultrasonic pump sphygmomanometer, which comprises a shell and a middle piece, wherein the middle piece is embedded in the shell, a pressurizing pump is arranged between the shell and the middle piece, and a sensor is arranged on one side of the pressurizing pump; the middleware is provided with a circuit board, a battery and an information display screen, and the information display screen is embedded between the shell and the circuit board;
the circuit board comprises a micro-control circuit, a power supply circuit, a data acquisition circuit, an air pressure regulating circuit and an audio output circuit, wherein the micro-control circuit is respectively connected with the power supply circuit, the data acquisition circuit, the air pressure regulating circuit and the audio output circuit through wires.
In one embodiment of the disclosure, the micro control circuit is provided with a micro control chip U5, the micro control chip U5 is provided with a plurality of control pins, and the micro control circuit is respectively connected with the power supply circuit, the data acquisition circuit, the air pressure regulating circuit and the audio output circuit through the control pins.
In one embodiment of the present disclosure, the power supply circuit includes a power supply circuit including a first power supply circuit and a second power supply circuit;
the first power supply circuit comprises a first power supply chip U8, a capacitor C7, a capacitor C8 and a capacitor C9; one end of the capacitor C7 and one end of the capacitor C9 are connected with the first power supply chip U8, one end of the capacitor C8 is connected with the first power supply chip U8 through a resistor R4, and the other ends of the capacitor C7, the capacitor C8 and the capacitor C9 are grounded; the output end of the first power supply chip U8 is connected with a control pin of the micro control chip U5;
the second power supply circuit comprises a second power supply chip U9, a capacitor C10, a capacitor C11 and a capacitor C12; one end of the capacitor C10 and one end of the capacitor C12 are connected with the first power supply chip U9, one end of the capacitor C11 is connected with the second power supply chip U9 through a resistor R5, and the other ends of the capacitor C10, the capacitor C11 and the capacitor C12 are grounded; the output end of the second power supply chip U9 is connected with the control pin of the micro control chip U5.
In one embodiment of the disclosure, the power supply circuit includes a charging circuit, the charging circuit includes a charging chip U7, and an output pin of the charging chip U7 is connected to the first power supply circuit and the second power supply circuit, respectively.
In one embodiment of the present disclosure, the data acquisition circuit includes a first data acquisition circuit and a second data acquisition circuit; the first data acquisition circuit comprises a first data acquisition chip U2, a capacitor C3 and a capacitor C4; the first data acquisition chip U2 is grounded through the capacitor C3 and the capacitor C4 respectively; the second data acquisition circuit comprises a second data acquisition chip U4, a capacitor C5 and a capacitor C6; the second data acquisition chip U4 is grounded through the capacitor C5 and the capacitor C6 respectively.
In one embodiment of the present disclosure, the air pressure regulating circuit includes a first air pressure regulating circuit and a second air pressure regulating circuit; the first air pressure regulating circuit comprises a first air pressure regulating chip U10, a first pressurizing pump JP3 and a second pressurizing pump JP5, wherein the output end of the first air pressure regulating chip U10 is respectively connected with the first pressurizing pump JP3 and the second pressurizing pump JP5, and the input end of the first air pressure regulating chip U10 is connected with a control pin of the micro-control chip U5; the second air pressure adjusting circuit comprises a second air pressure adjusting chip U11, a third pressurizing pump JP4 and a fourth pressurizing pump JP6, wherein the output end of the second air pressure adjusting chip U11 is respectively connected with the third pressurizing pump JP4 and the fourth pressurizing pump JP6, and the input end of the second air pressure adjusting chip U11 is connected with the control pin of the micro-control chip U5.
In one embodiment of the disclosure, the audio output circuit includes an analog-to-digital conversion chip U6, a first speaker JP1 and a second speaker JP2, an input end of the analog-to-digital conversion chip U6 is connected to a control pin of the micro-control chip U5, and an output end of the analog-to-digital conversion chip U6 is connected to the first speaker JP1 and the second speaker JP2, respectively.
In one embodiment of the disclosure, the circuit board further comprises a wireless communication circuit; the wireless communication circuit comprises a first wireless communication circuit and a second wireless communication circuit, the first wireless communication circuit is provided with a first wireless transmission chip J1, the second wireless communication circuit is provided with a second wireless transmission chip J2, and the output end of the first wireless transmission chip J1 and the output end of the second wireless transmission chip J2 are connected with the control pin of the micro control chip U5.
In one embodiment of the present disclosure, the circuit board further includes an information input circuit; the information input circuit includes a first input device SW1 and a second input device SW2; one end of the first input device SW1 is connected with a control pin of the micro control chip U5, and the other end of the first input device SW1 is grounded; one end of the second input device SW2 is connected to a control pin of the micro control chip U5, and the other end of the second input device SW2 is grounded.
In one embodiment of the disclosure, the circuit board further comprises an electrical quantity acquisition circuit; the electric quantity acquisition circuit comprises an operational amplifier U1, a capacitor C1 and a capacitor C2, wherein the forward input end of the operational amplifier U1 is respectively connected with a resistor R1 and a resistor R3, the output end of the operational amplifier U1 is connected with a control pin of the micro-control chip U5 through the resistor R2, one end of the capacitor C1 and one end of the capacitor C2 are connected with a power supply voltage, and the other end of the capacitor C1 and the other end of the capacitor C2 are grounded.
In one embodiment of the present disclosure, the circuit board further comprises an LED control circuit; the LED control circuit comprises an indicator light LED1 and an indicator light LED2, wherein one end of the indicator light LED1 is connected with a power supply voltage, the other end of the indicator light LED1 is connected with a control pin of the micro-control chip U5 through a resistor R6, one end of the indicator light LED2 is connected with the power supply voltage, and the other end of the indicator light LED2 is connected with the control pin of the micro-control chip U5 through a resistor R7.
Compared with the prior art, the method has the positive effects that: according to the ultrasonic pump sphygmomanometer provided by the utility model, through the interaction of the micro control circuit, the air pressure regulating circuit and the data acquisition circuit on the circuit board, the blood pressure value is measured by the oscillography principle, the blood pressure value is measured by the Korotkoff sound method through the audio output circuit, and meanwhile, the two blood pressure measuring loops are arranged, so that the blood pressure measuring precision is effectively improved, the service cycle of the sphygmomanometer is prolonged, a plurality of measuring methods are combined, the measuring results can be mutually calibrated, and the influence of the environment on the measuring results is reduced; the ultrasonic pump sphygmomanometer is simple in structural design and operation steps, and convenient to carry and use at home for users.
Drawings
FIG. 1 is a schematic diagram of the front structure of a housing of an ultrasonic pump sphygmomanometer of the present utility model;
FIG. 2 is a schematic diagram of the middle part structure of an ultrasonic pump sphygmomanometer of the present utility model;
FIG. 3 is a schematic view of the back structure of the housing of an ultrasonic pump sphygmomanometer of the present utility model;
FIG. 4 is a schematic diagram of a front structure of a circuit board according to the present utility model;
FIG. 5 is a schematic diagram of the reverse structure of the circuit board of the present utility model;
FIG. 6 is a schematic diagram of a power supply circuit and a charging circuit according to the present utility model;
FIG. 7 is a schematic diagram of a circuit structure of the air pressure adjusting circuit of the present utility model;
FIG. 8 is a schematic diagram of a circuit structure of the data acquisition circuit of the present utility model;
FIG. 9 is a schematic diagram of the audio output circuit of the present utility model;
fig. 10 is a schematic circuit diagram of a circuit board according to the present utility model.
In the accompanying drawings: 1. a housing; 11. a speaker interface; 12. an air guide hole; 13. a sensor connection hole; 2. a middleware; 21. a circuit board; 211. an air pump interface; 22. an information display screen; 23. a battery; 4. and a storage module.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
The utility model provides an ultrasonic pump sphygmomanometer, which is shown in the accompanying drawings 1-10, and comprises a shell 1 and a middle piece 2, wherein the middle piece 2 is embedded in the shell 1, a pressurizing pump is arranged between the shell 1 and the middle piece 2, and a sensor is arranged on one side of the pressurizing pump; the middleware 2 is provided with a circuit board 21, a battery 23 and an information display screen 22, and the information display screen 22 is embedded between the shell 1 and the circuit board 21;
the circuit board 21 comprises a micro-control circuit, a power supply circuit, a data acquisition circuit, an air pressure regulating circuit and an audio output circuit, wherein the micro-control circuit is respectively connected with the power supply circuit, the data acquisition circuit, the air pressure regulating circuit and the audio output circuit through wires.
In a specific embodiment of the disclosure, the micro control circuit is provided with a micro control chip U5, the micro control chip U5 is provided with a plurality of control pins, and the micro control circuit is respectively connected with the power supply circuit, the data acquisition circuit, the air pressure regulating circuit and the audio output circuit through the control pins.
In a specific embodiment of the present disclosure, the power supply circuit includes a power supply circuit including a first power supply circuit and a second power supply circuit;
the first power supply circuit comprises a first power supply chip U8, a capacitor C7, a capacitor C8 and a capacitor C9; one end of the capacitor C7 and one end of the capacitor C9 are connected with the first power supply chip U8, one end of the capacitor C8 is connected with the first power supply chip U8 through a resistor R4, and the other ends of the capacitor C7, the capacitor C8 and the capacitor C9 are grounded; the output end of the first power supply chip U8 is connected with a control pin of the micro control chip U5;
the second power supply circuit comprises a second power supply chip U9, a capacitor C10, a capacitor C11 and a capacitor C12; one end of the capacitor C10 and one end of the capacitor C12 are connected with the first power supply chip U9, one end of the capacitor C11 is connected with the second power supply chip U9 through a resistor R5, and the other ends of the capacitor C10, the capacitor C11 and the capacitor C12 are grounded; the output end of the second power supply chip U9 is connected with the control pin of the micro control chip U5.
Further, the micro control circuit is used for sending control signals and processing received data; the power supply circuit is used for supplying power to the micro control circuit, the data acquisition circuit, the air pressure regulating circuit and the audio output circuit; the data acquisition circuit is used for acquiring air pressure signals through the air pressure sensor; the air pressure regulating circuit is used for changing the speed of air pressure rising by changing the output voltage and the output PWM frequency; the audio output circuit is used for outputting pulse wave signals; the first power supply circuit is used for providing the digital signal power supply, and the second power supply circuit is used for providing the analog signal power supply.
In a specific embodiment of the disclosure, the power supply circuit includes a charging circuit, the charging circuit includes a charging chip U7, and an output pin of the charging chip U7 is connected to the first power supply circuit and the second power supply circuit respectively. The charging circuit is used to charge the battery 23.
In a specific embodiment of the disclosure, the data acquisition circuit includes a first data acquisition circuit and a second data acquisition circuit; the first data acquisition circuit comprises a first data acquisition chip U2, a capacitor C3 and a capacitor C4; the first data acquisition chip U2 is grounded through the capacitor C3 and the capacitor C4 respectively; the second data acquisition circuit comprises a second data acquisition chip U4, a capacitor C5 and a capacitor C6; the second data acquisition chip U4 is grounded through the capacitor C5 and the capacitor C6 respectively.
In one specific embodiment of the disclosure, the air pressure regulating circuit comprises a first air pressure regulating circuit and a second air pressure regulating circuit; the first air pressure regulating circuit comprises a first air pressure regulating chip U10, a first pressurizing pump JP3 and a second pressurizing pump JP5, wherein the output end of the first air pressure regulating chip U10 is respectively connected with the first pressurizing pump JP3 and the second pressurizing pump JP5, and the input end of the first air pressure regulating chip U10 is connected with a control pin of the micro-control chip U5; the second air pressure adjusting circuit comprises a second air pressure adjusting chip U11, a third pressurizing pump JP4 and a fourth pressurizing pump JP6, wherein the output end of the second air pressure adjusting chip U11 is respectively connected with the third pressurizing pump JP4 and the fourth pressurizing pump JP6, and the input end of the second air pressure adjusting chip U11 is connected with the control pin of the micro-control chip U5.
Preferably, the first pressurizing pump JP3, the second pressurizing pump JP5, the third pressurizing pump JP4, and the fourth pressurizing pump JP6 may be ultrasonic pumps to realize the pressurizing function.
In a specific embodiment of the disclosure, the audio output circuit includes an analog-to-digital conversion chip U6, a first speaker JP1 and a second speaker JP2, an input end of the analog-to-digital conversion chip U6 is connected to a control pin of the micro-control chip U5, and an output end of the analog-to-digital conversion chip U6 is respectively connected to the first speaker JP1 and the second speaker JP2.
In one embodiment of the present disclosure, the circuit board 21 further includes a wireless communication circuit; the wireless communication circuit comprises a first wireless communication circuit and a second wireless communication circuit, the first wireless communication circuit is provided with a first wireless transmission chip J1, the second wireless communication circuit is provided with a second wireless transmission chip J2, and the output end of the first wireless transmission chip J1 and the output end of the second wireless transmission chip J2 are connected with the control pin of the micro control chip U5.
In one embodiment of the present disclosure, the circuit board 21 further includes an information input circuit; the information input circuit includes a first input device SW1 and a second input device SW2; one end of the first input device SW1 is connected with a control pin of the micro control chip U5, and the other end of the first input device SW1 is grounded; one end of the second input device SW2 is connected to a control pin of the micro control chip U5, and the other end of the second input device SW2 is grounded.
In one embodiment of the present disclosure, the circuit board 21 further includes an electrical power harvesting circuit; the electric quantity acquisition circuit comprises an operational amplifier U1, a capacitor C1 and a capacitor C2, wherein the forward input end of the operational amplifier U1 is respectively connected with a resistor R1 and a resistor R3, the output end of the operational amplifier U1 is connected with a control pin of the micro-control chip U5 through the resistor R2, one end of the capacitor C1 and one end of the capacitor C2 are connected with a power supply voltage, and the other end of the capacitor C1 and the other end of the capacitor C2 are grounded.
The electric quantity acquisition circuit can monitor the electric quantity of the sphygmomanometer in real time, is convenient for replacing the battery 23 or charging in time, and does not affect the normal use of the equipment.
In one embodiment of the present disclosure, the circuit board 21 further includes an LED control circuit; the LED control circuit comprises an indicator light LED1 and an indicator light LED2, wherein one end of the indicator light LED1 is connected with a power supply voltage, the other end of the indicator light LED1 is connected with a control pin of the micro-control chip U5 through a resistor R6, one end of the indicator light LED2 is connected with the power supply voltage, and the other end of the indicator light LED2 is connected with the control pin of the micro-control chip U5 through a resistor R7.
For example, an indicator light LED1 may be set to indicate the working state of the sphygmomanometer, for example, a green light is in normal operation, and a red light is in abnormal operation; the setting indicator light LED2 indicates the wireless connection state, such as the long-lighting state is connected, and the flashing state is connected, so that visual prompt information can be provided when a user uses the device.
In a preferred embodiment, the device further comprises a storage module 4, configured to store device information and blood pressure measurement information, where the device information includes a device ID, and the blood pressure measurement information includes blood pressure monitoring data and blood pressure measurement time, and optionally, the storage module 4 may further record user information and multiple measurement results of the user; the blood pressure measurement time includes, but is not limited to, a time of each group of blood pressure measurements, an interval time of a plurality of blood pressure measurements.
In a preferred embodiment, the circuit board 21 further includes an information display circuit, where the information display circuit is provided with an information display chip U3, and the information display chip U3 is connected to the micro-control chip U5.
In a preferred embodiment, the lower surface of the casing 1 is provided with an air vent 12 and a sensor connecting hole 13, one ends of the first pressurizing pump JP3, the second pressurizing pump JP5, the third pressurizing pump JP4 and the fourth pressurizing pump JP6 are all fixed on the circuit board 21 through connecting pieces and are connected with an air pump interface 211 on the circuit board 21, the other ends of the first pressurizing pump JP3, the second pressurizing pump JP5, the third pressurizing pump JP4 and the fourth pressurizing pump JP6 are connected with an air vent on a cuff through the air vent 12, a heat dissipation piece, an air guide channel and a buckle are arranged between the casing 1 and the cuff, the heat dissipation piece and the air guide channel facilitate heat dissipation of the circuit board 21, the buckle is used for fixing the cuff, and the casing 1 is also provided with a speaker interface 11. The speaker interface 11 can be externally connected with an earphone to listen to the sound of the amplified pulse, so that the blood pressure result is measured by the Korotkoff sound method.
In a preferred embodiment, a blood pressure measuring device is provided with a shell 1, a middle part 2 and a cuff, wherein the middle part 2 is arranged in the shell 1, the cuff is connected with the lower surface of the shell 1, the middle part 2 is provided with a circuit board 21, a battery 23 and an information display screen 22, a micro-control circuit, a data acquisition circuit, a charging circuit, a power supply circuit, an air pressure regulating circuit and an information display circuit are arranged on the circuit board 21, a micro-control chip U5 of the micro-control circuit is a low-power consumption processing chip, and the energy consumption of the sphygmomanometer in working is reduced; in the data acquisition circuit, the first data acquisition chip U2 and the second data acquisition chip U4 can select an air pressure sensor for acquiring a pressure value in the cuff; the information display 22 may select a liquid crystal serial display; the pressure pump in the air pressure regulating circuit can be a miniature piezoelectric air pump, two groups of pressure pumps are arranged in the circuit structure, and each group of pressure pumps is provided with two pressure pumps; in particular, two data acquisition circuits and two air pressure regulating circuits are arranged, two blood pressure detection loops are formed by the two groups of components, and the two groups of loops can be operated independently or simultaneously; the charging circuit is externally connected with a power supply to charge the battery 23, and the charging chip U7 can be a linear charger;
the device is also provided with an audio output circuit, wherein an analog-to-digital conversion chip U6 is arranged as an analog-to-digital converter, converts an analog signal into a digital signal and outputs pulse wave sound; preferably, the loudspeaker interface 11 on the shell 1 is connected with an earphone to acquire pulse wave signals output by the audio output circuit, so as to realize the measurement of blood pressure by the Korotkoff sound method; further, a first wireless communication circuit supporting a WIFI communication function is arranged, a single-band network controller is selected as a first wireless transmission chip J1, a second wireless communication circuit supporting a Bluetooth communication function is arranged, and a low-power consumption Bluetooth chip is optimized as a second wireless transmission chip J2;
when a user measures blood pressure, the oversleeves are sleeved into the arms, the switch button is pressed, the blood pressure test is started, the micro control chip U5 adjusts the working frequency of the pressurizing pump to achieve pressure uniform speed rising, the air pressure sensor collects pressure values in the cuffs and sends the pressure values to the micro control chip U5 for data processing, the data processing mainly comprises original data filtering, pulse wave peak valley value searching, systolic and diastolic pressures calculated by an amplitude coefficient method, finally the calculated systolic and diastolic pressures are transmitted to the information display screen 22 for display, and further, the mobile terminal is arranged, and the data result can be synchronously transmitted to the mobile terminal for display in a wireless communication mode.
In a preferred embodiment, the working mode of measuring blood pressure, such as single-path detection, double-path detection and Korotkoff sound method detection, can be selected during measurement, and if single-path detection is selected, the result of single-loop measurement is sent to the information display screen 22 and the mobile terminal; if the two-way detection is selected, the average value of the measurement results of the two loops is transmitted to the information display screen 22 and the mobile terminal; if the Korotkoff sound method is selected for detection, the measured result is required to be manually input into the equipment, and various testing methods are combined, so that various measurement requirements of users are met, and the accuracy of the measured result is improved.
In summary, the ultrasonic pump sphygmomanometer comprises a shell and a middleware, wherein the middleware is provided with a circuit board, a battery and an information display screen, and the sphygmomanometer supports an oscillography method and a Korotkoff sound method for measuring blood pressure by matching interaction among a micro control circuit, a power supply circuit, a data acquisition circuit, an air pressure regulating circuit and an audio output circuit on the circuit board through a pressure pump and a pressure sensor; the circuit structure is internally provided with two groups of blood pressure measuring loops, so that the accuracy of blood pressure value measurement is effectively improved, the service cycle of the sphygmomanometer is prolonged, and the probability of affecting the normal measurement condition of blood pressure due to abrasion of a certain part is reduced; the combination of multiple blood pressure measurement modes can calibrate the measurement results mutually, and the stability of the measurement results of the ultrasonic pump sphygmomanometer under different environments is also improved.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (11)
1. The ultrasonic pump sphygmomanometer is characterized by comprising a shell and a middle piece, wherein the middle piece is embedded in the shell, a pressurizing pump is arranged between the shell and the middle piece, and a sensor is arranged on one side of the pressurizing pump; the middleware is provided with a circuit board, a battery and an information display screen, and the information display screen is embedded between the shell and the circuit board;
the circuit board comprises a micro-control circuit, a power supply circuit, a data acquisition circuit, an air pressure regulating circuit and an audio output circuit, wherein the micro-control circuit is respectively connected with the power supply circuit, the data acquisition circuit, the air pressure regulating circuit and the audio output circuit through wires.
2. The ultrasonic pump sphygmomanometer of claim 1, wherein the micro control circuit is provided with a micro control chip U5, the micro control chip U5 is provided with a plurality of control pins, and the micro control circuit is respectively connected with the power supply circuit, the data acquisition circuit, the air pressure regulating circuit and the audio output circuit through the control pins.
3. The ultrasonic pump sphygmomanometer of claim 2, wherein the power supply circuit comprises a power supply circuit, the power supply circuit comprising a first power supply circuit and a second power supply circuit;
the first power supply circuit comprises a first power supply chip U8, a capacitor C7, a capacitor C8 and a capacitor C9; one end of the capacitor C7 and one end of the capacitor C9 are connected with the first power supply chip U8, one end of the capacitor C8 is connected with the first power supply chip U8 through a resistor R4, and the other ends of the capacitor C7, the capacitor C8 and the capacitor C9 are grounded; the output end of the first power supply chip U8 is connected with a control pin of the micro control chip U5;
the second power supply circuit comprises a second power supply chip U9, a capacitor C10, a capacitor C11 and a capacitor C12; one end of the capacitor C10 and one end of the capacitor C12 are connected with the first power supply chip U9, one end of the capacitor C11 is connected with the second power supply chip U9 through a resistor R5, and the other ends of the capacitor C10, the capacitor C11 and the capacitor C12 are grounded; the output end of the second power supply chip U9 is connected with the control pin of the micro control chip U5.
4. The ultrasonic pump sphygmomanometer of claim 3, wherein the power supply circuit comprises a charging circuit, the charging circuit comprises a charging chip U7, and the output pin of the charging chip U7 is respectively connected with the first power supply circuit and the second power supply circuit.
5. The ultrasonic pump sphygmomanometer of claim 1, wherein the data acquisition circuit comprises a first data acquisition circuit and a second data acquisition circuit; the first data acquisition circuit comprises a first data acquisition chip U2, a capacitor C3 and a capacitor C4; the first data acquisition chip U2 is grounded through the capacitor C3 and the capacitor C4 respectively; the second data acquisition circuit comprises a second data acquisition chip U4, a capacitor C5 and a capacitor C6; the second data acquisition chip U4 is grounded through the capacitor C5 and the capacitor C6 respectively.
6. The ultrasonic pump sphygmomanometer of claim 2, wherein the air pressure regulating circuit comprises a first air pressure regulating circuit and a second air pressure regulating circuit; the first air pressure regulating circuit comprises a first air pressure regulating chip U10, a first pressurizing pump JP3 and a second pressurizing pump JP5, wherein the output end of the first air pressure regulating chip U10 is respectively connected with the first pressurizing pump JP3 and the second pressurizing pump JP5, and the input end of the first air pressure regulating chip U10 is connected with a control pin of the micro-control chip U5; the second air pressure adjusting circuit comprises a second air pressure adjusting chip U11, a third pressurizing pump JP4 and a fourth pressurizing pump JP6, wherein the output end of the second air pressure adjusting chip U11 is respectively connected with the third pressurizing pump JP4 and the fourth pressurizing pump JP6, and the input end of the second air pressure adjusting chip U11 is connected with the control pin of the micro-control chip U5.
7. An ultrasonic pump sphygmomanometer as claimed in claim 2, wherein the audio output circuit comprises an analog-to-digital conversion chip U6, a first speaker JP1 and a second speaker JP2, wherein an input end of the analog-to-digital conversion chip U6 is connected to a control pin of the micro-control chip U5, and an output end of the analog-to-digital conversion chip U6 is connected to the first speaker JP1 and the second speaker JP2, respectively.
8. The ultrasonic pump sphygmomanometer of claim 2, wherein the circuit board further comprises a wireless communication circuit; the wireless communication circuit comprises a first wireless communication circuit and a second wireless communication circuit, the first wireless communication circuit is provided with a first wireless transmission chip J1, the second wireless communication circuit is provided with a second wireless transmission chip J2, and the output end of the first wireless transmission chip J1 and the output end of the second wireless transmission chip J2 are connected with the control pin of the micro control chip U5.
9. The ultrasonic pump sphygmomanometer of claim 2, wherein the circuit board further comprises an information input circuit; the information input circuit includes a first input device SW1 and a second input device SW2; one end of the first input device SW1 is connected with a control pin of the micro control chip U5, and the other end of the first input device SW1 is grounded; one end of the second input device SW2 is connected to a control pin of the micro control chip U5, and the other end of the second input device SW2 is grounded.
10. The ultrasonic pump sphygmomanometer of claim 2, wherein the circuit board further comprises an electrical power harvesting circuit; the electric quantity acquisition circuit comprises an operational amplifier U1, a capacitor C1 and a capacitor C2, wherein the forward input end of the operational amplifier U1 is respectively connected with a resistor R1 and a resistor R3, the output end of the operational amplifier U1 is connected with a control pin of the micro-control chip U5 through the resistor R2, one end of the capacitor C1 and one end of the capacitor C2 are connected with a power supply voltage, and the other end of the capacitor C1 and the other end of the capacitor C2 are grounded.
11. The ultrasonic pump sphygmomanometer of claim 2, wherein the circuit board further comprises an LED control circuit; the LED control circuit comprises an indicator light LED1 and an indicator light LED2, wherein one end of the indicator light LED1 is connected with a power supply voltage, the other end of the indicator light LED1 is connected with a control pin of the micro-control chip U5 through a resistor R6, one end of the indicator light LED2 is connected with the power supply voltage, and the other end of the indicator light LED2 is connected with the control pin of the micro-control chip U5 through a resistor R7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320790681.0U CN219270901U (en) | 2023-04-11 | 2023-04-11 | Ultrasonic pump sphygmomanometer |
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