CN205612475U - Wearing formula pulse measurement analogue means - Google Patents
Wearing formula pulse measurement analogue means Download PDFInfo
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- CN205612475U CN205612475U CN201620058469.5U CN201620058469U CN205612475U CN 205612475 U CN205612475 U CN 205612475U CN 201620058469 U CN201620058469 U CN 201620058469U CN 205612475 U CN205612475 U CN 205612475U
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Abstract
The utility model discloses a wearing formula pulse measurement analogue means, include: the base, install in simulation wrist on the base, install in the simulation finger of simulation in the wrist, install in step motor device on the base, install in on the base and with lead screw and circuit structure that the step motor device is connected, the step motor device drives lead screw extrusion simulation finger, circuit mechanism includes: with step motor device electric connection's main control unit, with main control unit electric connection's communication interface unit, with main control unit electric connection's intelligence touch serial ports screen, with main control unit electric connection's AD translation unit, with AD translation unit electric connection's signal acquisition element and with signal acquisition element electric connection's sensor unit, sensor unit pass through the base with the simulation finger is connected.
Description
Technical field
The utility model relates to technical field of medical equipment, particularly relates to a kind of Wearable pulse blood oxygen analogue means.
Background technology
Blood oxygen saturation refers to that red blood cell is combined the percentage reaching degree of saturation with oxygen, i.e. the concentration of blood oxygen in blood.Blood of human body is combined with oxygen by red blood cell and carries oxygen.The metabolic processes of human body is biological oxidation process, and oxygen required in metabolic processes, it is to enter blood of human body by respiratory system, with the hemoglobin in blood rbc, it is combined into oxyhemoglobin, it is transported to partes corporis humani again and divides in histocyte, be i.e. the concentration of blood oxygen in blood.Blood oxygen saturation is reflection breathing, an important physiological parameter of circulatory function, is to weigh the capacity index that blood of human body carries oxygen.
Pulse is the tangible arteriopalmus arriving of body surface.Human recycle system is made up of heart, blood vessel, blood, is responsible for the transport of human body oxygen, carbon dioxide, nutrient and refuse.Blood extrudes inflow sustainer via the left ventricular contraction of heart, is delivered to systemic arterial immediately.Artery is formed pipeline by whippy connective tissue and muscle.Arterial pressure change will be made to make caliber expand greatly when a large amount of blood enter artery, this expansion, i.e. so-called pulse can be experienced at body surface shallower place artery.The pulse of normal person is consistent with heartbeat.Adult normal is 60 to 100 beats/min, is often 70-80 time per minute, averagely about 72 beats/min.The elderly is relatively slow, is 55 to 60 beats/min.Normal person's pulse frequency rule, does not haves phenomenon different in size pulse interval time.Normal person's pulse is strong and weak impartial, does not haves strong and weak phenomenon alternately.
Existing blood oxygen saturation analog meter includes optical analog and electrical simulations two ways.Optical analog typically uses analog meter and simulation finger to carry out the simulation of detecting sphygmus and blood oxygen saturation.Simulation finger contains the liquid of accurate control optical absorption characteristics, and simulation finger is extruded by analog meter by control stepper motor, it is achieved the simulation of corresponding pulse and pulse blood oxygen, is mainly used in testing the reliability of pulse blood oxygen instrument, wire and probe.This mode can test numeral BOLD contrast and reflectance oximetry.Electrical simulations typically uses analog meter to be joined directly together with blood oxygen saturation test module by connecting line, analogue value electrical signal is passed to BOLD contrast and tests.
Existing related pulse blood oxygen analogue technique has following weak point: when the 1st, existing optics blood oxygen saturation analog meter enters the simulation of promoting circulation of blood oxygen, simulation finger can produce bigger vibration, and it is suitable for connection and the fixing device that Wearable blood oxygen saturation tests equipment, be not suitable for the test equipment of the Wearable blood oxygen saturation to watch kind and detect；2nd, existing electricity blood oxygen saturation analog meter is only suitable for directly detecting blood oxygen saturation module, it is impossible to for the detection of optic probe, more can not carry out optical detection by opponent's table class Wearable blood oxygen saturation test equipment.
Therefore, prior art existing defects, needs to improve.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of Wearable pulse blood oxygen analogue means.
nullThe technical solution of the utility model is as follows: the utility model provides a kind of Wearable pulse blood oxygen analogue means，Including: base、The simulation wrist being installed on described base、It is installed on the simulation finger in described simulation wrist、It is installed on the stepper motor arrangement on described base、The screw mandrel being installed on described base and being connected with described stepper motor arrangement and circuit structure，Described stepper motor arrangement drives screw mandrel extrusion simulation finger，Described circuit mechanism includes: the main control unit being electrically connected with described stepper motor arrangement、The communication interface unit being electrically connected with described main control unit、The Intelligent touch serial ports screen being electrically connected with described main control unit、The A/D converting unit being electrically connected with described main control unit、The signal gathering unit being electrically connected with described A/D converting unit and the sensor unit being electrically connected with described signal gathering unit，Described sensor unit is connected with described simulation finger by base.
Described circuit structure also includes the power module being electrically connected with respectively with described stepper motor arrangement, main control unit, Intelligent touch serial ports screen, A/D converting unit, signal gathering unit and sensor unit, and described power module includes: 12V linear voltage-stabilized power supply circuit and 12V turn 5V circuit.
Described circuit structure also includes the buzzer being electrically connected with described main control unit.
Described communication interface unit is USB communication interface, and described main control unit is connected with described Intelligent touch serial ports screen by serial mode.
Described communication interface unit uses FT232 RL chip.
Described screw mandrel is connected with described stepper motor arrangement by screwfeed mechanism.
Described main control chip uses Atmel mega 328P chip.
Using such scheme, Wearable pulse blood oxygen analogue means of the present utility model, it has the advantage that
One is the R&D work that can promote Wearable pulse blood oxygen measurement equipment, in the R&D process of Wearable pulse blood oxygen measurement equipment, the technical program can be used to carry out the accuracy of the pulse blood oxygen of monitoring device measurement at any time, equipment is made to possess the primary condition of measurement human body before for human body completely, accelerate the research speed of Wearable pulse blood oxygen measurement equipment, promote development and the application of Wearable pulse blood oxygen measurement technology, ensure patient safety.
Two is the calibration operation that can promote Wearable pulse blood oxygen measurement equipment, Wearable pulse blood oxygen measurement equipment is after dispatching from the factory, whether be capable of safety is applied to human body, needs are examined and determine, the functions such as the pulse detection of different detecting sphygmus and blood oxygen saturation, different frequency can be provided due to the technical program, therefore can complete the calibration operation of Wearable pulse blood oxygen measurement equipment.
Three is to promote carrying out smoothly of teaching, numerous schools have offered Medical Devices related work, some equipment of pulse blood oxygen measurement will necessarily be used, if using the technical program by so that the teaching that Wearable pulse blood oxygen is related to can be carried out smoothly.
Four is during measurement, can avoid simulating the larger vibration of finger, and accuracy of measurement is high, both may be used for the detection of optic probe, can also detect watch kind Wearable blood oxygen saturation test equipment.
Brief description
Fig. 1 is the structural representation of mechanical part in the utility model Wearable pulse blood oxygen analogue means.
Fig. 2 is the module diagram of circuit structure in the utility model Wearable pulse blood oxygen analogue means.
Fig. 3 is partial circuit schematic diagram in the utility model Wearable pulse blood oxygen analogue means.
Fig. 4 is the workflow diagram of the utility model Wearable pulse blood oxygen analogue means.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Refer to Fig. 1 and Fig. 2, the utility model provides a kind of Wearable pulse blood oxygen analogue means, including: the 8th, the stepper motor arrangement that the 6th, the simulation finger that the 4th, the simulation wrist that the 2nd, base is installed on described base 2 is installed in described simulation wrist 4 is installed on described base 2 is installed on the screw mandrel 10 being connected on described base 2 and with described stepper motor arrangement 8 and circuit structure, and described stepper motor arrangement 8 drives screw mandrel 10 extrusion simulation finger 6.Described circuit mechanism includes: the A/D converting unit 12 of the communication interface unit 16 of the main control unit 11 being electrically connected with described stepper motor arrangement 8 and described main control unit 11 electric connection and the Intelligent touch serial ports screen 15 of described main control unit 11 electric connection and described main control unit 11 electric connection and the signal gathering unit 13 of described A/D converting unit 12 electric connection and the sensor unit 14 being electrically connected with described signal gathering unit 13, and described sensor unit 14 is connected with described finger 6 of simulating by base 2.
Described main control unit 11 sends pulse signal and direction signal to stepper motor arrangement 8, different with direction signal according to pulse signal, and control stepper motor arrangement 8 moves according to different frequency, motion step number and direction.
Described sensor unit 14 is connected with simulation finger by base 2, the change of pressure in real-time measure analog finger 6, and send signal gathering unit 13 to, described A/D converting unit 12 gathers the pressure data that sensor unit 14 sends signal gathering unit 13 to, and convert thereof into data signal, being directly fed to main control unit 11, main control unit 11 utilizes pressure data to carry out closed-loop control or pressure data transmission.
Further, described circuit structure also includes the power module (not shown) being electrically connected with respectively with described stepper motor arrangement the 8th, main control unit the 11st, Intelligent touch serial ports screen the 15th, A/D converting unit the 12nd, signal gathering unit 13 and sensor unit 14, and described circuit module is for powering to said units.Concrete, described power module includes: 12V linear voltage-stabilized power supply circuit and 12V turn 5V circuit, uses linear stabilized power supply can reduce the impact of ripple voltage, it is ensured that the precision of pressure sensor measurement.User can arrange relevant parameter by described Intelligent touch serial ports screen 15 and the concrete data obtaining are measured in viewing.
Further, described circuit structure can also include the buzzer 17 being electrically connected with described main control unit 11, and described buzzer 17 is used for various warnings, as test starts, tests and complete and break down.
Described main control unit 11 passes through serial mode and Intelligent touch serial ports screen 15(host computer) it is connected, it is controlled signal and pressure signal transmission, pressure signal gives Intelligent touch serial ports screen 15, is responsible for receiving the pressure data that simulation finger 6 is produced by stepper motor arrangement 8；Control signal is given main control unit 11 by Intelligent touch serial ports screen 15, and main control unit 11 is responsible for carrying out the generation of different mode pulse blood oxygen analog signal.Described main control unit 11 is connected with extraneous computer by communication interface unit 16, is used for carrying out data communication and download program.Preferably, described communication interface unit 16 is specially USB communication interface, universal good.Described communication interface unit 16 uses FT232 RL chip U2.
Described screw mandrel 10 is connected with described stepper motor arrangement 8 by screwfeed mechanism, and screw mandrel 10 is provided with spring, and spring is connected with simulation finger 6, to realize the generation of pulse blood oxygen, specifically includes the generation of the blood oxygen analogue value and pulse frequency.Described stepper motor arrangement 8 drives screwfeed mechanism, promotes screw mandrel, by spring extrusion simulation finger 6, produces pulse blood oxygen.
In the present embodiment, described main control unit 11 uses Atmel mega 328P chip U1.Referring to Fig. 3, chip U1 is connected with chip U2 by pin TX1, RX0, is used for connecting computer and carries out data communication and download program；Chip U1 is connected with host computer by pin D4, D5, for carrying out data communication with Intelligent touch serial ports screen 15；Chip U1 is connected with sensor unit 14 by pin A0, is read the data of sensor unit 14 by built-in A/D converting unit；Chip U1 is connected with stepper motor arrangement 8 by pin D8, D9, and for controlling the motion of stepper motor arrangement 8, chip U1 is connected with buzzer 17 by pin D7, is used for controlling buzzer 17.
Refer to Fig. 4, this analogue means workflow: turn on the power, the sensor initializing in sensor unit 14, the motor self-inspection of stepper motor arrangement 8, it is automatically stopped after reaching preset value, otherwise continue motion；When Intelligent touch serial ports screen 15(host computer) when sending instruction, motor is started working, and after each motor advance certain distance, signal receiving end receives the data of sensor, makes motor counter motion；After motor counter motion certain distance, motor stops, and now host computer sends instruction, and motor is again reverse, i.e. travels forward；So repeatedly, it is achieved the generation of simulation detecting sphygmus and blood oxygen saturation.
In sum, the utility model provides a kind of Wearable pulse blood oxygen analogue means, and it has the advantage that
One is the R&D work that can promote Wearable pulse blood oxygen measurement equipment, in the R&D process of Wearable pulse blood oxygen measurement equipment, the technical program can be used to carry out the accuracy of the pulse blood oxygen of monitoring device measurement at any time, equipment is made to possess the primary condition of measurement human body before for human body completely, accelerate the research speed of Wearable pulse blood oxygen measurement equipment, promote development and the application of Wearable pulse blood oxygen measurement technology, ensure patient safety.
Two is the calibration operation that can promote Wearable pulse blood oxygen measurement equipment, Wearable pulse blood oxygen measurement equipment is after dispatching from the factory, whether be capable of safety is applied to human body, needs are examined and determine, the functions such as the pulse detection of different detecting sphygmus and blood oxygen saturation, different frequency can be provided due to the technical program, therefore can complete the calibration operation of Wearable pulse blood oxygen measurement equipment.
Three is to promote carrying out smoothly of teaching, numerous schools have offered Medical Devices related work, some equipment of pulse blood oxygen measurement will necessarily be used, if using the technical program by so that the teaching that Wearable pulse blood oxygen is related to can be carried out smoothly.
Four is during measurement, can avoid simulating the larger vibration of finger, and accuracy of measurement is high, both may be used for the detection of optic probe, can also detect watch kind Wearable blood oxygen saturation test equipment.
These are only preferred embodiment of the present utility model, be not limited to the utility model, all any modification, equivalent and improvement etc. made within spirit of the present utility model and principle, should be included within protection domain of the present utility model.
Claims (7)
- null1. a Wearable pulse blood oxygen analogue means，It is characterized in that，Including: base、The simulation wrist being installed on described base、It is installed on the simulation finger in described simulation wrist、It is installed on the stepper motor arrangement on described base、The screw mandrel being installed on described base and being connected with described stepper motor arrangement and circuit structure，Described stepper motor arrangement drives screw mandrel extrusion simulation finger，Described circuit mechanism includes: the main control unit being electrically connected with described stepper motor arrangement、The communication interface unit being electrically connected with described main control unit、The Intelligent touch serial ports screen being electrically connected with described main control unit、The A/D converting unit being electrically connected with described main control unit、The signal gathering unit being electrically connected with described A/D converting unit and the sensor unit being electrically connected with described signal gathering unit，Described sensor unit is connected with described simulation finger by base.
- 2. Wearable pulse blood oxygen analogue means according to claim 1, it is characterized in that, described circuit structure also includes the power module being electrically connected with respectively with described stepper motor arrangement, main control unit, Intelligent touch serial ports screen, A/D converting unit, signal gathering unit and sensor unit, and described power module includes: 12V linear voltage-stabilized power supply circuit and 12V turn 5V circuit.
- 3. Wearable pulse blood oxygen analogue means according to claim 1, it is characterised in that described circuit structure also includes the buzzer being electrically connected with described main control unit.
- 4. Wearable pulse blood oxygen analogue means according to claim 1, it is characterised in that described communication interface unit is USB communication interface, described main control unit is connected with described Intelligent touch serial ports screen by serial mode.
- 5. Wearable pulse blood oxygen analogue means according to claim 4, it is characterised in that described communication interface unit uses FT232 RL chip.
- 6. Wearable pulse blood oxygen analogue means according to claim 1, it is characterised in that described screw mandrel is connected with described stepper motor arrangement by screwfeed mechanism.
- 7. Wearable pulse blood oxygen analogue means according to claim 1, it is characterised in that described main control chip uses Atmel mega 328P chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620058469.5U CN205612475U (en) | 2016-01-21 | 2016-01-21 | Wearing formula pulse measurement analogue means |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620058469.5U CN205612475U (en) | 2016-01-21 | 2016-01-21 | Wearing formula pulse measurement analogue means |
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| CN205612475U true CN205612475U (en) | 2016-10-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110772264A (en) * | 2019-12-12 | 2020-02-11 | 桂林电子科技大学 | Quality control calibration device and calibration method based on GM-A type noninvasive glucometer |
| CN111000545A (en) * | 2019-12-19 | 2020-04-14 | 广电计量检测（武汉）有限公司 | Wearable device heart rate metering device and method for simulating blood pulsation |
| CN113425275A (en) * | 2021-06-23 | 2021-09-24 | 北京东舟技术股份有限公司 | Heart rate monitoring simulation test module, method and device |
-
2016
- 2016-01-21 CN CN201620058469.5U patent/CN205612475U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110772264A (en) * | 2019-12-12 | 2020-02-11 | 桂林电子科技大学 | Quality control calibration device and calibration method based on GM-A type noninvasive glucometer |
| CN111000545A (en) * | 2019-12-19 | 2020-04-14 | 广电计量检测（武汉）有限公司 | Wearable device heart rate metering device and method for simulating blood pulsation |
| CN113425275A (en) * | 2021-06-23 | 2021-09-24 | 北京东舟技术股份有限公司 | Heart rate monitoring simulation test module, method and device |
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