CN115290252A - Electronic sphygmomanometer service life testing method and device thereof - Google Patents
Electronic sphygmomanometer service life testing method and device thereof Download PDFInfo
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- CN115290252A CN115290252A CN202110403687.3A CN202110403687A CN115290252A CN 115290252 A CN115290252 A CN 115290252A CN 202110403687 A CN202110403687 A CN 202110403687A CN 115290252 A CN115290252 A CN 115290252A
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- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000004088 simulation Methods 0.000 claims abstract description 12
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 5
- 238000010998 test method Methods 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 9
- 230000036772 blood pressure Effects 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 4
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- 239000003814 drug Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
- G01L27/007—Malfunction diagnosis, i.e. diagnosing a sensor defect
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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Abstract
A life test method and a device thereof for an electronic sphygmomanometer structurally comprise a pressure measurement unit, a motor drive unit, a simulation tentacle unit, a microcontroller unit and a data terminal unit. The invention aims to provide an intelligent, efficient and applicable life test method and device for all types of electronic sphygmomanometers, which adopts a pressure sensor to press in real time, monitor the pressure values of 3 electronic sphygmomanometers at a time and observe the fatigue characteristics of the sphygmomanometers in life test circulation, simultaneously monitors the test process in real time through upper computer software, and synchronously uploads the data to the cloud for storage; the problems that manual detection is low in efficiency and high in strength, data recording and storage are difficult, and faults such as pipeline air leakage cannot be found timely to avoid method loss are solved, and the method has high innovativeness, novelty and practicability.
Description
Technical Field
The invention belongs to the technical field of medical instrument detection, and particularly relates to a method and a device for testing the service life of an electronic sphygmomanometer.
Background
The noninvasive automatic blood pressure meter (hereinafter referred to as electronic sphygmomanometer) is used as a work measuring instrument for two types of medical instruments and forced verification, and before new products are produced and marketed, the type evaluation work of the noninvasive automatic blood pressure meter according to annex A specified in JJG 692-2010 non-invasive automatic blood pressure meter verification regulations is required. Appendix a type evaluation item a1.4 above: in the "stability of static pressure indication", 10000 times of simulated cycle tests were clearly required for the electronic sphygmomanometer.
According to the regulations of the standard YY 0670-2008 ' noninvasive automatic blood pressure meter ' of the Chinese people's republic of China medical and medical industry, the service life test refers to the following steps: the electronic sphygmomanometer can still work normally after 10000 times of full-scale pressure circulation. The pressure cycle of the full scale means that the pressure is raised from 2.67kPa (20 mmHg) or less to a maximum pressure value and then lowered to 2.67kPa (20 mmHg) or less.
Since the standard YY 0670-2008 "noninvasive automatic blood pressure meter" of the PRC medical and drug industry starts to be implemented at 6.1.2010, no corresponding testing equipment exists in the market at present. The existing detection method mainly has the functions of manual detection and starting automatic cycle measurement of the electronic sphygmomanometer to carry out pressurization test, and the two detection methods have some defects. The disadvantages of manual detection are: the electronic sphygmomanometer needs to click the start key once in each working cycle, needs to click the start key again after the electronic sphygmomanometer finishes the pressure relief and one cycle for next test, is calculated according to the normal work and rest time, the effective time of manual test is 8 hours every day, and the time of more than 30 working days is consumed for completing one test by 1 minute of the time consumed in each cycle, so that the labor intensity is intensive, and the detection period is too long; although the time of each cycle test is greatly shortened compared with the manual test when the automatic cycle measurement function of the electronic sphygmomanometer is started for carrying out the pressurization test, the electronic sphygmomanometer without the automatic cycle measurement function cannot be carried out according to the method.
Disclosure of Invention
In order to solve the technical defects, the invention provides a method and a device for testing the service life of an electronic sphygmomanometer, which improve the integrity of the type evaluation work of a noninvasive automatic measuring sphygmomanometer.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a life test method and device for an electronic sphygmomanometer structurally comprise a pressure measurement unit, a motor drive unit, a simulation tentacle unit, a microcontroller unit and a data terminal unit; the pressure measuring unit is mainly used for detecting the pressure value of the inflation pipeline of the electronic sphygmomanometer to be detected; the motor driving unit is mainly used for driving the simulated tentacle unit to act and is mechanically connected with the simulated tentacle unit; the simulated tentacle unit is used for applying pressing action to the host of the electronic sphygmomanometer to be tested; the microcontroller unit is used for controlling the whole device to work, is electrically connected with the pressure measuring unit and the motor driving unit, and carries out data communication through a serial port and a data terminal unit.
The pressure measuring unit mainly comprises 3 pressure sensor modules, and each pressure sensor module is connected with an air pipe of the electronic sphygmomanometer to be measured through an aluminum alloy tee joint, a polyurethane pipe and a quick connector.
The motor driving unit consists of a long arm driving motor, a short arm driving motor, a rotary table driving motor, a long arm mechanical arm, a short arm mechanical arm and a rotary table, wherein the long arm driving motor, the short arm driving motor and the rotary table driving motor are stepping motors and are respectively used for controlling the long arm mechanical arm, the short arm mechanical arm and the rotary table to move;
furthermore, the long-arm mechanical arm and the short-arm mechanical arm adopt programmable mechanical arms, and the rotary joints of the programmable mechanical arms can realize a good position locking function so as to ensure that the initial operation position is fixed.
The simulation tentacle unit consists of an angle regulator and a simulation finger; the angle regulator is provided with a slotted opening with a certain radian and is used for adapting to the angles of host panels of different electronic sphygmomanometers to be tested; the simulation finger be the rubber material, be fixed in on the notch of angle regulator through the bolt.
The microcontroller unit mainly comprises an AD conversion module, a singlechip module, a 4G communication module and a power supply module, and all the modules are electrically connected; the AD conversion module is mainly responsible for carrying out analog-digital signal conversion processing on the acquired pressure signal of the pressure measurement unit; the singlechip module is used for analyzing and processing the data converted by the AD conversion module, receiving and executing a control command of the data terminal unit; the 4G communication module is used for uploading the data processed by the singlechip module to a cloud for storage; the power module is used for supplying power to the whole device.
The data terminal unit comprises a computer and upper computer software and exchanges data with the microcontroller unit in a serial port mode; specifically, the specific steps executed by the upper computer software are as follows:
s1: serial port setting: the microcontroller unit and the upper computer software are enabled to complete serial port communication setting, and normal operation of serial port communication is guaranteed;
s2: presetting software of an upper computer:
s21: the simulation tentacle unit is arranged: unlocking the current motor; manually guiding the simulated fingers to reach the start button position of the electronic sphygmomanometer to be tested in sequence; recording corresponding position information; locking the motor;
s22: setting the detection times: greater than or equal to 10000;
s23: setting the length range of the x/y axis: selecting a proper measuring range according to different electronic blood pressure meters to enable the image to clearly and intuitively display a pressure change curve;
s3: the upper computer software issues an action execution command, the microcontroller unit controls the motor driving unit to start executing actions, and measures data information of the current pressure measuring unit;
s4: the upper computer software automatically counts the real-time pressure value and the testing times and updates and displays the current pressure change curve chart;
s5: the upper computer software judges whether the phenomena of incapability of pressurizing or air leakage in a pipeline and the like occur in the testing process according to the pressure value tested in real time;
s6: the upper computer software determines that the phenomenon of incapability of pressurization or air leakage occurs, issues a test stopping command to the microcontroller unit and records the current cycle number;
s7: after the detection times are greater than the target set times, the upper computer software issues a detection stopping command and automatically finishes the serial port communication with the microcontroller unit;
s8: and the upper computer software automatically calculates the specific time of inflation and deflation, actual pressure values, accumulated test times and other information and automatically stores the information.
The invention aims to provide an intelligent, efficient and applicable life test method and device for all types of electronic sphygmomanometers, which adopts a pressure sensor to press in real time, monitor the pressure values of 3 electronic sphygmomanometers at a time and observe the fatigue characteristics of the sphygmomanometers in life test circulation, simultaneously monitors the test process in real time through upper computer software, and synchronously uploads data to a cloud for storage; the problems that manual detection is low in efficiency and high in strength, data recording and storage are difficult, and faults such as pipeline air leakage cannot be found timely to avoid method loss are solved, and the method has high innovativeness, novelty and practicability.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic block diagram of the present invention.
Fig. 2 is a front view of the motor driving unit and the simulated tentacle unit of the present invention.
Fig. 3 is a schematic structural diagram of the present invention.
FIG. 4 is a flow chart of a testing method of the present invention.
Fig. 5 is a flow chart of the simulated tentacle unit setup of the present invention.
In FIG. 1: 1. the host machine of the electronic sphygmomanometer to be tested; 2. a cuff of the electronic sphygmomanometer to be tested; 3. a tee joint; 4. a pressure measuring unit; 5. a microcontroller unit; 6. an AD conversion module; 7. a single chip module; 8. a 4G communication module; 9. a power supply module; 10. a data terminal unit; 11. a motor drive unit; 12. and a simulated tentacle unit.
In fig. 2 and 3: 13. a short arm drive motor; 14. a long arm drive motor; 15. a turntable driving motor; 16. a short arm mechanical arm; 17. a long arm mechanical arm; 18. an angle adjuster; 19. simulating a finger; 20. a rotating table; 21. a quick coupling.
Detailed Description
The invention is described in detail below with reference to the figures and the embodiments.
As shown in fig. 1, the present invention structurally includes a pressure measuring unit 4, a motor driving unit 11, a simulated tentacle unit 12, a microcontroller unit 5, and a data terminal unit 10; the pressure measuring unit 4 is mainly used for detecting the pressure value of the inflation pipeline of the electronic sphygmomanometer to be detected; the motor driving unit 11 is mainly used for driving the simulated tentacle unit 12 to act, and is mechanically connected with the simulated tentacle unit 12; the simulated tentacle unit 12 is used for applying pressing action to the electronic sphygmomanometer host 1 to be tested; the microcontroller unit 5 is used for controlling the whole device to work, is electrically connected with the pressure measuring unit 4 and the motor driving unit 11, and is in data communication with the data terminal unit 10 through a serial port.
As shown in fig. 1 and 3, the pressure measuring unit 4 of the invention mainly comprises 3 pressure sensor modules, each pressure sensor module is connected with the air pipe of the electronic sphygmomanometer to be measured through an aluminum alloy tee joint 3, a polyurethane pipe and a quick joint 21;
as shown in fig. 2 and 3, the motor driving unit 11 of the present invention is composed of a long arm driving motor 14, a short arm driving motor 13, a turntable driving motor 15, a long arm mechanical arm 17, a short arm mechanical arm 16 and a rotating table 20, wherein the long arm driving motor 14, the short arm driving motor 13 and the turntable driving motor 15 are stepping motors respectively used for controlling the movement of the long arm mechanical arm 17, the short arm mechanical arm 16 and the rotation of the rotating table 20;
furthermore, the long arm mechanical arm 17 and the short arm mechanical arm 16 adopt programmable mechanical arms, and the rotary joints of the programmable mechanical arms can realize a good position locking function so as to ensure that the initial operation position is fixed.
As shown in fig. 3, the simulated tentacle unit 12 of the present invention is composed of an angle adjuster 18 and a simulated finger 19; the angle regulator 18 is provided with a slotted opening with a certain radian and is used for adapting to the angles of the panels of the host computers 1 of the electronic sphygmomanometer to be tested; the simulation finger 19 is made of rubber and is fixed on a slotted opening of the angle regulator 18 through a bolt.
As shown in fig. 1, the microcontroller unit 5 of the present invention mainly includes an AD conversion module 6, a single chip microcomputer module 7, a 4G communication module 8, and a power supply module 9, and each module is electrically connected to each other; the AD conversion module 6 is mainly responsible for carrying out analog-digital signal conversion processing on the acquired pressure signal of the pressure measurement unit 4; the singlechip module 7 is used for analyzing and processing the data converted by the AD conversion module 6, and receiving and executing a control command of the data terminal unit 10; the 4G communication module 8 is used for uploading data processed by the singlechip module 7 to a cloud end; the power module 9 is used for supplying power to the whole device.
The microcontroller unit 5 of the present invention is mainly based on electronic circuit technology, and the technology in this respect is very mature, and there are many related products, which will not be described herein.
As shown in fig. 1 and 3, the testing principle of the invention is as follows: respectively installing three pressure sensors of the pressure measurement unit 4 on trachea pipelines of three electronic sphygmomanometers to be measured; the positions of the motor driving unit 11 and the simulated tentacle unit 12 are adjusted to ensure that the range of simulated fingers 19 arranged on the simulated tentacle unit 12 covers working buttons on the three tested electronic sphygmomanometer hosts 1; the sleeve belt 2 arranged on the electronic sphygmomanometer to be tested is sleeved on a cylinder which is used for simulating the arm of a human body; starting the microcontroller unit 5 and the data terminal unit 10; the microcontroller unit 5 controls the motor driving unit 11 to drive the simulated tentacle unit 12 to press a working button of the electronic sphygmomanometer host 1 to be tested, and then reduces the pressure to 2.67kPa (20 mmHg) or lower along with the increase of the pressure to the maximum value, so that a test cycle is completed; the data terminal unit 10 judges that the electronic sphygmomanometer to be tested completes one measurement through the pressure value, and issues to re-drive the simulation tentacle unit 12 to press the electronic sphygmomanometer to be tested for work again until the test times set by the data terminal unit 10 are completed; finally, the data processed and analyzed by the microcontroller unit 5 is submitted to the upper computer software of the data terminal unit 10 for real-time display through serial port communication, and meanwhile, the test data can be transmitted to the cloud for data storage through the 4G communication module 8 arranged on the microcontroller unit 5.
As shown in fig. 4 and 5, the data terminal unit 10 of the present invention includes a computer and upper computer software, and exchanges data with the microcontroller unit 5 in a serial port manner; specifically, the specific steps executed by the upper computer software are as follows:
s1: serial port setting: the microcontroller unit and the upper computer software are enabled to complete serial port communication setting, and normal operation of serial port communication is guaranteed;
s2: presetting software of an upper computer:
s21: the simulation tentacle unit is arranged: unlocking the current motor; manually guiding the simulated fingers to reach the start button position of the electronic sphygmomanometer to be tested in sequence; recording corresponding position information; locking the motor;
s22: setting the detection times: more than or equal to 10000;
s23: setting the length range of the x/y axis: selecting a proper measuring range according to different electronic blood pressure meters to enable the image to clearly and intuitively display the pressure change curve;
s3: the upper computer software issues an action execution command, the microcontroller unit controls the motor driving unit to start executing actions, and measures data information of the current pressure measuring unit;
s4: the upper computer software automatically counts the real-time pressure value and the testing times and updates and displays the current pressure change curve chart;
s5: the upper computer software records the updating times once according to the highest value (more than 135 mmHg) of the pressure value curve detected periodically and the current pressure value is 0mmHg, otherwise, the times are not recorded;
s6: the upper computer software judges whether the phenomena of incapability of pressurizing or air leakage in a pipeline and the like occur in the testing process according to the pressure value tested in real time;
s7: the upper computer software determines that the phenomenon of incapability of pressurization or air leakage occurs, and sends 3 times of pressing operation to the microcontroller unit at most;
s8: the upper computer software determines that the phenomenon of incapability of pressurization or air leakage occurs, the phenomenon of incapability of pressurization or no change of a pressure value still occurs after the maximum 3 times of pressing operation is issued to the microcontroller unit, and the like, judges whether a test stopping command is issued or not and records the current cycle number;
s9: after the detection times are larger than the target set times, the upper computer software issues a detection stopping command and automatically finishes serial port communication with the microcontroller unit;
s10: and the software of the upper computer automatically calculates the specific time of inflation and deflation, actual pressure values, accumulated test times and other information and automatically stores the information of the inflation and deflation.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (6)
1. A life test method and device of electronic sphygmomanometer is characterized in that the life test device structurally comprises a pressure measurement unit, a motor driving unit, a simulated tentacle unit, a microcontroller unit and a data terminal unit; the pressure measuring unit is mainly used for detecting the pressure value of the inflation pipeline of the electronic sphygmomanometer to be detected; the motor driving unit is mainly used for driving the simulated tentacle unit to act and is mechanically connected with the simulated tentacle unit; the simulation tentacle unit is used for applying pressing action to the host of the electronic sphygmomanometer to be tested; the microcontroller unit is used for controlling the whole device to work, is electrically connected with the pressure measuring unit and the motor driving unit, and carries out data communication through a serial port and a data terminal unit.
2. The method and apparatus for testing the life of an electronic sphygmomanometer according to claim 1, wherein the pressure measuring unit comprises 3 pressure sensor modules, each of which is connected to the air tube of the electronic sphygmomanometer to be tested via an aluminum alloy tee, a polyurethane tube, and a quick connector.
3. The method and apparatus for testing life span of an electronic sphygmomanometer according to claim 1, wherein the motor driving unit comprises a long arm driving motor, a short arm driving motor, a turntable driving motor, a long arm mechanical arm, a short arm mechanical arm and a turntable, the long arm driving motor, the short arm driving motor and the turntable driving motor are stepping motors for controlling the movement of the long arm mechanical arm, the short arm mechanical arm and the rotation of the turntable, respectively;
furthermore, the long arm mechanical arm and the short arm mechanical arm adopt programmable mechanical arms.
4. The method and device for testing the life span of an electronic sphygmomanometer according to claim 1, wherein the simulated tentacle unit consists of an angle regulator and a simulated finger; the angle regulator is provided with a slotted opening with a certain radian and is used for adapting to the angles of the host computer panels of different electronic sphygmomanometers to be tested; the simulation finger be the rubber material, be fixed in on the notch of angle regulator through the bolt.
5. The method and device for testing the life of an electronic sphygmomanometer according to claim 1, wherein the microcontroller unit mainly comprises an AD conversion module, a single chip microcomputer module, a 4G communication module and a power supply module, and each module is electrically connected with the other module; the AD conversion module is mainly responsible for carrying out analog-digital signal conversion processing on the acquired pressure signal of the pressure measurement unit; the singlechip module is used for analyzing and processing the data converted by the AD conversion module, receiving and executing a control command of the data terminal unit; the 4G communication module is used for uploading the data processed by the singlechip module to a cloud for storage; the power module is used for supplying power to the whole device.
6. The method and the device for testing the life of the electronic sphygmomanometer according to claim 1, wherein the data terminal unit comprises a computer and upper computer software, and exchanges data with the microcontroller unit in a serial port manner; specifically, the specific steps executed by the upper computer software are as follows:
s1: serial port setting: the microcontroller unit and the upper computer software are enabled to complete serial port communication setting, and normal operation of serial port communication is guaranteed;
s2: presetting upper computer software:
s21: the simulation tentacle unit is arranged: unlocking the current motor; manually guiding the simulated fingers to reach the start button position of the electronic sphygmomanometer to be tested in sequence; recording corresponding position information; locking the motor;
s22: setting the detection times: more than or equal to 10000;
s23: setting the length range of the x/y axis: selecting a proper measuring range according to different electronic blood pressure meters to enable the image to clearly and intuitively display the pressure change curve;
s3: the upper computer software issues an action execution command, the microcontroller unit controls the motor driving unit to start executing actions, and data information of the current pressure measuring unit is measured;
s4: the upper computer software automatically counts the real-time pressure value and the testing times and updates and displays the current pressure change curve chart;
s5: the upper computer software judges whether the phenomena of incapability of pressurizing or air leakage in a pipeline and the like occur in the testing process according to the pressure value tested in real time;
s6: the upper computer software determines that the phenomenon of pressurization failure or air leakage occurs, issues a test stopping command to the microcontroller unit and records the current cycle number;
s7: after the detection times are larger than the target set times, the upper computer software issues a detection stopping command and automatically finishes serial port communication with the microcontroller unit;
s8: and the upper computer software automatically calculates the specific time of inflation and deflation, actual pressure values, accumulated test times and other information and automatically stores the information.
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| CN202110403687.3A CN115290252A (en) | 2021-04-16 | 2021-04-16 | Electronic sphygmomanometer service life testing method and device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117168694A (en) * | 2023-11-02 | 2023-12-05 | 陕西中欣福源医疗科技发展有限公司 | Detection equipment for electronic sphygmomanometer |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117168694A (en) * | 2023-11-02 | 2023-12-05 | 陕西中欣福源医疗科技发展有限公司 | Detection equipment for electronic sphygmomanometer |
| CN117168694B (en) * | 2023-11-02 | 2024-01-05 | 陕西中欣福源医疗科技发展有限公司 | Detection equipment for electronic sphygmomanometer |
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