CN209884127U

CN209884127U - Fatigue test device for electronic sphygmomanometer

Info

Publication number: CN209884127U
Application number: CN201822109226.1U
Authority: CN
Inventors: 杜寅飞; 田昀
Original assignee: TIANJIN INSTITUTE OF METROLOGICAL SUPERVISON AND TESTING
Current assignee: TIANJIN INSTITUTE OF METROLOGICAL SUPERVISON AND TESTING
Priority date: 2018-12-14
Filing date: 2018-12-14
Publication date: 2020-01-03
Anticipated expiration: 2028-12-14

Abstract

The utility model relates to an electronic sphygmomanometer fatigue test device, including the industrial computer, the test bench, the control box, a pair of sphygmomanometer mounting fixture of top surface installation at the test bench, two simulation mechanical fingers and guide arm thereof, bottom surface installation control box at the test bench, installation control circuit in the control box, control circuit includes host system, host system output connection single motor module respectively, the power sets up output module, display module, single motor module output connection simulation mechanical finger, the power sets up output module and the equal output connection of simulation mechanical finger and is surveyed the sphygmomanometer, it does not export connection atmospheric pressure collection module to be surveyed the sphygmomanometer, voltage collection module, atmospheric pressure collection module and voltage collection module loop through IO input module, IO output module connects host system, host system connects the industrial computer. The test device can perform 10000 times of simulation cycle tests on the sphygmomanometer, and fills up the domestic blank.

Description

Fatigue test device for electronic sphygmomanometer

Technical Field

The utility model belongs to the blood pressure test field relates to sphygmomanometer fatigue detection technique, especially an electronic sphygmomanometer fatigue test device.

Background

The task of monitoring blood pressure is widely centered on people's daily life, especially the middle-aged and the elderly, and people with certain cardiovascular diseases. The mercury sphygmomanometer commonly used in families is gradually replaced by an electronic sphygmomanometer because a certain auscultation foundation is required in the operation process and once mercury leaks in use, the mercury sphygmomanometer pollutes the environment and harms the health. The electronic sphygmomanometer is simple to operate and pollution-free, and is used as a common instrument for daily blood pressure monitoring, so that manufacturers for producing the electronic sphygmomanometer are gradually increased. The electronic sphygmomanometer is used as a second type of medical apparatus and instruments and a working measuring instrument for forced verification, and before a new product is produced and marketed, the electronic sphygmomanometer needs to be subjected to type evaluation and verification according to a metrological verification procedure of JJG692-2010 noninvasive automatic measuring sphygmomanometer. In the appendix A type evaluation item A1.4 'static pressure indicating value stability', 10000 times of simulation cycle tests need to be carried out on the sphygmomanometer, but at present, no complete machine capable of carrying out the tests is sold in China, so that the research and development of non-invasive automatic measuring fatigue test equipment for the sphygmomanometer are proposed to meet the tests.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the not enough of prior art equipment, provide a rational in infrastructure, it is convenient to detect, can be to the normal work of autostability an electrosphygmomanometer fatigue test device more than 10000 times.

The utility model discloses a realize through following technical scheme:

a fatigue test device for an electronic sphygmomanometer comprises an industrial personal computer, a test bed and a control box, wherein a pair of sphygmomanometer fixing clamps, two simulation mechanical fingers and a guide arm of the two simulation mechanical fingers are arranged on the top surface of the test bed, the control box is arranged on the bottom surface of the test bed and connected with the industrial personal computer, a control circuit is arranged in the control box and comprises a main control module, an air pressure acquisition module, a voltage acquisition module, a single-way motor module and a power supply setting output module, the main control module is respectively connected with the single-way motor module in an output mode, the power supply setting output module and the simulation mechanical fingers in an output mode and connected with a sphygmomanometer to be tested, the sphygmomanometer to be tested is respectively connected with the air pressure acquisition module and the voltage acquisition module in an output mode, and the air pressure acquisition module and the voltage acquisition module sequentially pass through an IO input module, The IO output module is connected with the main control module, and the main control module is connected with the industrial personal computer.

And the industrial personal computer is connected with the main control module through a CAN bus.

And the main control module is connected with each module through a CAN bus.

Moreover, the air pressure acquisition module detects the voltage range of 0-10V and the detection precision of 0.1V.

And the IO input module detects key actions including running, suspending and resetting of equipment and transmits data information through a CAN bus.

And the IO output module controls the operation indicator lamp, the alarm indicator lamp and the buzzer, and is in data communication with the main control module through the CAN bus.

And the single-circuit motor module controls the simulated finger to enable the equipment to be tested, simultaneously detects the pressed pressure value, and controls the maximum and minimum rotating positions of the motor through the limit sensor.

And the simulated mechanical finger is used for controlling the start and stop of the sphygmomanometer.

And the simulated mechanical finger comprises a shell, and a motor, a limit sensor and a pressure sensor which are sequentially connected and arranged in the shell.

And the display module displays the working state information of the equipment and is in data communication with the main control module through the CAN bus.

The utility model has the advantages and beneficial effect:

1. the test device can automatically perform 10000 times of simulation cycle tests on the sphygmomanometer, solves the problem that the traditional mode only can be operated manually, saves a large amount of manpower, runs stably and reliably, and fills up the domestic blank.

2. The test device can solve the problem that the positions of the operation keys of different sphygmomanometer models are different by adjusting the positions of the mechanical fingers. And the control program of the test device can be adjusted according to the model of the sphygmomanometer, so that the sphygmomanometer can normally run for 10000 times.

3. The testing device is provided with an external pressure interface and can be used for verifying the pressure measurement capability.

Drawings

Fig. 1 is a circuit block diagram of the present invention;

FIG. 2 is a front view of the structure of the present invention;

FIG. 3 is a rear view of FIG. 2 (with the industrial control computer removed);

fig. 4 is a top view of fig. 2 (with the industrial control computer removed).

Detailed Description

The present invention will be described in further detail with reference to the following embodiments, which are illustrative, not restrictive, and the scope of the invention should not be limited thereto.

A fatigue test device for an electronic sphygmomanometer comprises an industrial personal computer (10), a test bed (5) and a control box (7), wherein a pair of sphygmomanometer fixing clamps (4), two simulation mechanical fingers (1) and a guide arm (2) thereof are arranged on the top surface of the test bed. The control box is installed on the bottom surface of the test bed, the control box is connected with an industrial personal computer, the control circuit is installed in the control box, the control circuit is shown in figure 1 and comprises a main control module, an air pressure acquisition module, a voltage acquisition module, a single-circuit motor module and a power supply setting output module, the main control module respectively outputs and connects the single-circuit motor module, the power supply setting output module and the simulation mechanical finger, the single-circuit motor module outputs and connects a simulation mechanical finger, the power supply setting output module and the simulation mechanical finger are all output and connected with a measured sphygmomanometer 3, the measured sphygmomanometer respectively outputs and connects the air pressure acquisition module and the voltage acquisition module, the air pressure acquisition module and the voltage acquisition module sequentially pass through an IO input module, the IO output module is connected with the main control module, and the.

A display 9, an operation indicator lamp 6 and an abnormal alarm lamp 8 are embedded in the front surface of the control box; the back of the control box is provided with a heat dissipation port 13, a switch 12, a power line interface 11 and a network port 14. An air passage interface 15 is installed on the test bed.

The industrial personal computer configures working steps and working parameters of the equipment, and after the configuration is successful, data information is sent to the equipment through a TCP (transmission control protocol) protocol so that the equipment works as required.

The main control module receives the upper computer signal, stores the data into the storage carried by the main control module, coordinates with each module through the CAN bus, and distributes tasks according to the formulated working process after detecting that the start key is pressed.

The air pressure acquisition module is used for detecting the inflating pressure value, the detection voltage range is 0-10V, and the detection precision is 0.1V. And carrying out data communication through the CAN bus according to the requirement of the master control module.

The voltage acquisition module is used for detecting external voltage and transmitting data information through the CAN bus.

The IO input module is used for detecting key actions, mainly comprises running/suspending and resetting of equipment, and transmits data information through a CAN bus.

The IO output module is used for controlling the operation indicator lamp, the alarm indicator lamp and the buzzer, and data communication is carried out through the CAN bus according to the requirements of the main control module.

The power supply setting output module is used for controlling the power board to output 0-6V voltage and setting the output voltage according to the CAN bus command of the main control module.

The simulated mechanical finger is used for controlling the start and stop of the sphygmomanometer. The device comprises a shell, and a motor, a limit sensor and a pressure sensor which are sequentially connected and arranged in the shell. The pressure sensor penetrates out of the shell to be in contact with a switch of the sphygmomanometer to be tested. The single-circuit motor module controls the simulated finger to enable the equipment to be tested, simultaneously detects the pressed pressure value, and controls the maximum and minimum rotating positions of the motor through the limiting sensor.

And the master control module is required to carry out data communication through the CAN bus.

The utility model discloses a use, the step is as follows:

1. a fixed electronic sphygmomanometer fatigue test device;

2. if power supply is needed, connecting the power supply line with the electronic sphygmomanometer to be tested; if the power supply needs to be detected, connecting a detection line with the electronic sphygmomanometer to be detected;

3. adjusting the simulated finger to a proper position, namely, a measuring start key of the electronic sphygmomanometer to be measured or a reset key is included;

4. connecting the air pipe to an air source detection interface;

5. opening the test software;

6. editing or opening a test script;

7. ensuring that the emergency stop key is in a lifting state;

8. the software start button is clicked to start the test;

9. if the software interface needs to be stopped, clicking a software interface stop button;

10. under normal conditions, the work is automatically stopped after the set test times are reached.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the spirit of the present invention, and these modifications and improvements are all within the protection scope of the present invention.

Claims

1. The utility model provides an electrosphygmomanometer fatigue test device, includes industrial computer, test bench, control box, its characterized in that: a pair of sphygmomanometer fixing clamps, two simulation mechanical fingers and a guide arm thereof are mounted on the top surface of a test bed, a control box is mounted on the bottom surface of the test bed and connected with an industrial personal computer, a control circuit is mounted in the control box and comprises a main control module, an air pressure acquisition module, a voltage acquisition module, a single-way motor module and a power supply setting output module, the main control module respectively outputs and connects the single-way motor module, the power supply setting output module and the display module, the single-way motor module outputs and connects the simulation mechanical fingers, the power supply setting output module and the simulation mechanical fingers are all output and connected with a measured sphygmomanometer, the measured sphygmomanometer is respectively output and connected with the air pressure acquisition module and the voltage acquisition module, the air pressure acquisition module and the voltage acquisition module sequentially pass through an IO input module and the IO output module and are connected with the main control module, and the.

2. The fatigue test device for a sphygmomanometer according to claim 1, wherein: the industrial personal computer is connected with the main control module through a CAN bus.

3. The fatigue test device for a sphygmomanometer according to claim 1, wherein: the main control module is connected with each module through a CAN bus.

4. The fatigue test device for a sphygmomanometer according to claim 1, wherein: the air pressure acquisition module detects the voltage range of 0-10V and the detection precision of 0.1V.

5. The fatigue test device for a sphygmomanometer according to claim 1, wherein: the IO input module detects key actions including running, suspending and resetting of equipment, and transmits data information through a CAN bus.

6. The fatigue test device for a sphygmomanometer according to claim 1, wherein: the IO output module controls the operation indicator lamp, the alarm indicator lamp and the buzzer, and data communication is carried out with the main control module through the CAN bus.

7. The fatigue test device for a sphygmomanometer according to claim 1, wherein: the single-circuit motor module controls the simulated finger to enable the equipment to be tested, simultaneously detects the pressed pressure value, and controls the maximum and minimum rotating positions of the motor through the limiting sensor.

8. The fatigue test device for a sphygmomanometer according to claim 1, wherein: the simulated mechanical finger controls the start and stop of the sphygmomanometer.

9. The fatigue test device for a sphygmomanometer according to claim 1, wherein: the simulated mechanical finger comprises a shell, and a motor, a limit sensor and a pressure sensor which are sequentially connected and arranged in the shell.

10. The fatigue test device for a sphygmomanometer according to claim 1, wherein: the display module displays the working state information of the equipment and is in data communication with the main control module through the CAN bus.