CN212872122U - Mask breathing resistance tester - Google Patents
Mask breathing resistance tester Download PDFInfo
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- CN212872122U CN212872122U CN202021911228.3U CN202021911228U CN212872122U CN 212872122 U CN212872122 U CN 212872122U CN 202021911228 U CN202021911228 U CN 202021911228U CN 212872122 U CN212872122 U CN 212872122U
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Abstract
The utility model relates to a respirator breathing resistance tester, which comprises a workbench; an adjusting panel is arranged on the workbench; a head die for wearing the mask to be tested and a display device for displaying test data in real time are arranged on the adjusting panel; a first differential pressure sensor for detecting expiration resistance and a second differential pressure sensor for detecting inspiration resistance are arranged in the head die; an air source port used for being connected with an air source is formed in the side face of the workbench; a breathing tube and a controller are arranged in the workbench; one end of the breathing tube is connected with the air source port, and the other end of the breathing tube penetrates through the workbench and then is connected with the mouth of the head die; an electromagnetic valve for controlling the flow direction of gas is arranged in the breathing tube; the display device, the first differential pressure sensor, the second differential pressure sensor and the electromagnetic valve are all electrically connected with the controller; the tester of this application, through the changeable exhale of control solenoid valve and the gas circuit of breathing in, be favorable to improving detection efficiency.
Description
Technical Field
The utility model relates to a gauze mask test technical field, more specifically say, it relates to a gauze mask respiratory resistance tester.
Background
Consumer demand for everyday protective masks has increased substantially in order to combat the increasingly severe and frequent weather of haze. Before the mask is used, the breathing resistance and other performances of the mask need to be tested.
But current detection device operation is complicated, and the staff exhales and breathes in the switching process at the test completion, need switch the trachea, and the switching process is comparatively hard, and not only detection efficiency is low, still can have the risk that the pipeline connects the mistake simultaneously.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a mask breathing resistance tester is through the changeable exhaling of control solenoid valve and the gas circuit of breathing in, need not to switch the trachea, is favorable to improving detection efficiency.
The above technical purpose of the present invention can be achieved by the following technical solutions: a mask breathing resistance tester comprises a workbench; an adjusting panel is arranged on the workbench; a head die for wearing the mask to be tested and a display device for displaying test data in real time are arranged on the adjusting panel; a first differential pressure sensor for detecting expiration resistance and a second differential pressure sensor for detecting inspiration resistance are arranged in the head die; an air source port used for being connected with an air source is formed in the side face of the workbench; a breathing tube and a controller are arranged in the workbench; one end of the breathing tube is connected with the air source port, and the other end of the breathing tube penetrates through the workbench and then is connected with the mouth of the head die; an electromagnetic valve for controlling the flow direction of gas is arranged in the breathing tube; the display device, the first differential pressure sensor, the second differential pressure sensor and the electromagnetic valve are all electrically connected with the controller.
Furthermore, a temperature sensor and a humidity sensor are also arranged in the workbench; the temperature sensor and the humidity sensor are both electrically connected with the controller.
Further, the display device comprises a base and a touch display screen; the base is arranged on the adjusting panel; the touch display screen is arranged on the base and is electrically connected with the controller.
Further, a micro printer is also included; the micro printer is arranged on the adjusting panel and is electrically connected with the controller.
Further, a first flow sensor for detecting the flow of the expiratory gas and a second flow sensor for detecting the flow of the inspiratory gas are arranged in the breathing tube; the first flow sensor and the second flow sensor are both electrically connected with the controller.
Further, a throttle valve for controlling the gas flow and a pressure regulating valve for controlling the gas pressure are arranged in the breathing tube; the workbench is provided with a throttling knob for controlling the throttling valve, a pressure regulating knob for controlling the pressure regulating valve, a first barometer for displaying expiratory gas flow and a second barometer for displaying inspiratory gas flow; the throttle valve, the pressure regulating valve, the throttle knob, the pressure regulating knob, the first barometer and the second barometer are all connected with the controller.
Further, an emergency stop button and a start button are arranged on the adjusting panel; the emergency stop button and the start button are both electrically connected with the controller.
Furthermore, a memory for storing test data is arranged in the workbench; the memory is electrically connected with the controller.
Furthermore, a connector used for being connected with an external power supply is further arranged on the side surface of the workbench.
Further, a horse wheel is arranged at the bottom of the workbench.
To sum up, the utility model discloses following beneficial effect has:
1. the exhalation resistance and the inhalation resistance of the mask are automatically detected and calculated through the first pressure difference sensor and the second pressure difference sensor, so that the manual operation test error is reduced, the measurement accuracy and consistency are ensured, the complicated manual adjustment work is simplified, and the test time is shortened.
2. The exhaling and inhaling air circuits can be switched by controlling the electromagnetic valve, an air pipe does not need to be switched, and the detection efficiency is favorably improved.
3. The display device provides a convenient operation interface and real-time data display for an operator, and can display the detected data on the display device in real time, so that the test process is more visual and convenient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a bottom view of the present invention;
fig. 4 is a circuit frame diagram of the present invention.
In the figure: 1. a work table; 2. an adjustment panel; 3. a head die; 4. a display device; 41. a base; 42. a touch display screen; 5. a first differential pressure sensor; 6. a second differential pressure sensor; 7. a breathing tube; 8. a controller; 9. a gas source port; 10. an electromagnetic valve; 11. a temperature sensor; 12. a humidity sensor; 13. a micro printer; 14. a first flow sensor; 15. a second flow sensor; 16. a throttle valve; 17. a pressure regulating valve; 18. a first barometer; 19. a second barometer; 20. an emergency stop button; 21. a start button; 22. a memory; 23. a joint; 24. a fortune wheel; 25. a throttle knob; 26. and a pressure regulating knob.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The application provides a mask breathing resistance tester, as shown in fig. 1, 2 and 3, comprising a workbench 1; an adjusting panel 2 is arranged on the workbench 1; a head model 3 for wearing the mask to be tested and a display device 4 for displaying test data in real time are arranged on the adjusting panel 2; a first differential pressure sensor 5 for detecting expiration resistance and a second differential pressure sensor 6 for detecting inspiration resistance are arranged in the head die 3; an air source port 9 used for being connected with an air source is formed in the side surface of the workbench 1; a breathing tube 7 and a controller 8 are arranged in the workbench 1; one end of the breathing tube 7 is connected with the air source port 9, and the other end of the breathing tube penetrates through the workbench 1 and then is connected with the mouth of the head die 3; an electromagnetic valve 10 for controlling the flow direction of gas is arranged in the breathing tube 7; the display device 4, the first differential pressure sensor 5, the second differential pressure sensor 6 and the electromagnetic valve 10 are all electrically connected with the controller 8.
When the mask breathing resistance test is carried out, a compressed air pipe of a vacuum pump is connected with an air source port 9 on the side surface of the workbench 1, and the air flow pressure is controlled according to a test standard; then the head model 3 is worn to be tested, and the mouth of the head model 3 is used as a breathing channel; by starting the vacuum pump, under the action of a suction type air source of the vacuum pump, air flows to the inner side of the mask through the outer side of the mask, the air suction resistance of the mask is automatically calculated by the second differential pressure sensor 6, and differential pressure is automatically calculated and generated; after the inspiration resistance test is finished, the electromagnetic valve 10 is controlled, the suction type air source of the vacuum pump is switched to an expiration type air source, air flows to the outer side of the mask through the inner side of the mask, the expiration resistance of the mask is automatically calculated by the first differential pressure sensor 5, and differential pressure is automatically calculated and generated; and the pressure difference detected by the first pressure difference sensor 5 and the second pressure difference sensor 6 is displayed through the display device 4, so that an operator can conveniently check and record the pressure difference in real time in the operation process.
The first differential pressure sensor 5 and the second differential pressure sensor 6 are both precise differential pressure sensors, so that the reaction is sensitive, the measured data are more accurate, and the working efficiency can be effectively improved; the controller 8 can adopt the existing single chip microcomputer or chip.
The portable gas sources such as a vacuum pump and the like are used as power sources of the tester, so that the tester is not limited by the space of a test site and has stronger flexibility; the exhaling and inhaling air paths can be switched by controlling the electromagnetic valve 10, and an air pipe does not need to be switched, so that the detection efficiency is improved.
Further, as shown in fig. 4, a temperature sensor 11 and a humidity sensor 12 are further disposed in the worktable 1; the temperature sensor 11 and the humidity sensor 12 are both electrically connected to the controller 8. When guaranteeing to detect the gauze mask resistance, can be in the humiture that suits to detect under, reduce the error that environmental factor caused test data, further improve the accuracy of test.
Further, as shown in fig. 1, 3 and 4, the display device 4 includes a base 41 and a touch display screen 42; the base 41 is arranged on the adjusting panel 2; the touch display screen 42 is disposed on the base 41 and electrically connected to the controller 8. Touch display screen 42 can demonstrate the pressure differential that first differential pressure sensor 5 second differential pressure sensor 6 detected, and operating personnel can directly carry out experimental operation on touch display screen 42 moreover, reduces the testing error that manual operation brought, and the result is more accurate, and efficiency improves greatly.
Further, as shown in fig. 2 and 4, a micro printer 13 is further included; the micro printer 13 is disposed on the adjustment panel 2 and electrically connected to the controller 8. The micro printer 13 can directly print the tested pressure difference data, and the working efficiency is further improved.
Further, as shown in fig. 4, a first flow sensor 14 for detecting an expiratory gas flow and a second flow sensor 15 for detecting an inspiratory gas flow are provided in the breathing tube 7; the first flow sensor 14 and the second flow sensor 15 are both electrically connected to the controller 8.
Further, as shown in fig. 3 and 4, a throttle valve 16 for controlling the flow rate of gas and a pressure regulating valve 17 for controlling the pressure of gas are provided in the breathing tube 7; a throttle knob 25 for controlling the throttle valve 16, a pressure regulating knob 26 for controlling the pressure regulating valve 17, a first barometer 18 for displaying the flow rate of the expiratory gas, and a second barometer 19 for displaying the flow rate of the inspiratory gas are arranged on the workbench 1; the throttle valve 16, the pressure regulating valve 17, the throttle knob 25, the pressure regulating knob 26, the first barometer 18 and the second barometer 19 are all connected with the controller 8.
During detection, the first flow sensor 14 can detect the flow of the expiratory gas in the breathing tube 7, the first pressure gauge 18 displays the detected flow data of the expiratory gas on the adjusting panel 2, and an operator can control the throttle valve 16 to adjust the flow of the expiratory gas through the throttle knob 25 and control the pressure regulating valve 17 to adjust the pressure of the expiratory gas through the pressure regulating knob 26 according to real-time data on the first pressure gauge 18, so that the gas flow of the expiratory gas meets the test requirement of expiratory resistance; the second flow sensor 15 can detect the flow of the inspiration gas in the breathing tube 7, and the second barometer 19 can display the detected flow data of the inspiration gas on the adjusting panel 2, so that an operator can adjust the flow of the inspiration gas through the throttle valve 16 and adjust the pressure of the inspiration gas through the pressure adjusting valve 17 according to the real-time data on the second barometer 19, and the gas flow of the inspiration gas meets the testing requirement of inspiration resistance.
The throttle valve 16, the pressure regulating valve 17, the first air pressure gauge 18 and the second air pressure gauge 19 are all arranged on the regulating panel 2; the detected gas flow can be displayed visually, operators can adjust the gas flow conveniently according to real-time data, and the working efficiency of the detection process is further improved.
Further, as shown in fig. 3 and 4, an emergency stop button 20 and a start button 21 are provided on the adjustment panel 2; the emergency stop button 20 and the start button 21 are both electrically connected to the controller 8. The setting of start button 21 makes things convenient for the work of operating personnel direct control tester. When an emergency occurs, an operator can take protective measures by quickly pressing the emergency stop button 20, so that the use safety can be effectively protected.
Further, as shown in fig. 4, a memory 22 for storing test data is provided in the table 1; the memory 22 is electrically connected to the controller 8. The memory 22 can store the data measured by the first differential pressure sensor 5 and the second differential pressure sensor 6, so that the operator can conveniently check the previous test data for comparison
Further, as shown in fig. 2, a connector 23 for connecting to an external power source is further provided on a side surface of the table 1. The connector 23 serves as a power interface to facilitate connection with an external power source.
As shown in fig. 2, the connector 23 and the air source port 9 are disposed on the same side of the workbench 1, so that an operator can conveniently connect the connectors together.
Further, as shown in fig. 2, a horsewheel 24 is provided at the bottom of the table 1. The horse wheel 24 not only has the function of fixing and supporting the workbench 1, but also can move through the horse wheel 24, the height of the horse wheel 24 is simple and convenient to adjust, and the horse wheel 24 also has the function of dust prevention.
The utility model discloses a resistance tester is breathed in to gauze mask carries out automated inspection and calculation to the resistance of breathing in and the expiration resistance of gauze mask through first differential pressure sensor 5 and second differential pressure sensor 6, has reduced the manual operation testing error, has guaranteed measuring accuracy and uniformity, has simplified numerous and complicated manual adjustment work simultaneously, shortens test time.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A mask breathing resistance tester is characterized by comprising a workbench; an adjusting panel is arranged on the workbench; a head die for wearing the mask to be tested and a display device for displaying test data in real time are arranged on the adjusting panel; a first differential pressure sensor for detecting expiration resistance and a second differential pressure sensor for detecting inspiration resistance are arranged in the head die; an air source port used for being connected with an air source is formed in the side face of the workbench; a breathing tube and a controller are arranged in the workbench; one end of the breathing tube is connected with the air source port, and the other end of the breathing tube penetrates through the workbench and then is connected with the mouth of the head die; an electromagnetic valve for controlling the flow direction of gas is arranged in the breathing tube; the display device, the first differential pressure sensor, the second differential pressure sensor and the electromagnetic valve are all electrically connected with the controller.
2. The mask breathing resistance tester according to claim 1, wherein a temperature sensor and a humidity sensor are further provided in the table; the temperature sensor and the humidity sensor are both electrically connected with the controller.
3. The mask breathing resistance tester of claim 1, wherein the display device comprises a base and a touch display screen; the base is arranged on the adjusting panel; the touch display screen is arranged on the base and is electrically connected with the controller.
4. The mask breathing resistance tester of claim 1, further comprising a micro printer; the micro printer is arranged on the adjusting panel and is electrically connected with the controller.
5. The mask breathing resistance tester according to claim 1, wherein a first flow sensor for detecting the flow of the expiratory gas and a second flow sensor for detecting the flow of the inspiratory gas are provided in the breathing tube; the first flow sensor and the second flow sensor are both electrically connected with the controller.
6. The mask breathing resistance tester according to claim 5, wherein a throttle valve for controlling the flow of gas and a pressure regulating valve for controlling the pressure of gas are provided in the breathing tube; the workbench is provided with a throttling knob for controlling the throttling valve, a pressure regulating knob for controlling the pressure regulating valve, a first barometer for displaying expiratory gas flow and a second barometer for displaying inspiratory gas flow; the throttle valve, the pressure regulating valve, the throttle knob, the pressure regulating knob, the first barometer and the second barometer are all connected with the controller.
7. The mask breathing resistance tester of claim 1, wherein an emergency stop button and a start button are provided on the adjustment panel; the emergency stop button and the start button are both electrically connected with the controller.
8. The mask breathing resistance tester of claim 1, wherein a memory for storing test data is provided in the table; the memory is electrically connected with the controller.
9. The mask breathing resistance tester of claim 1, wherein a connector for connecting with an external power supply is further provided on the side of the table.
10. The mask breathing resistance tester as claimed in claim 1, wherein a horse wheel is provided at the bottom of the table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021911228.3U CN212872122U (en) | 2020-09-04 | 2020-09-04 | Mask breathing resistance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021911228.3U CN212872122U (en) | 2020-09-04 | 2020-09-04 | Mask breathing resistance tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212872122U true CN212872122U (en) | 2021-04-02 |
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ID=75194120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021911228.3U Active CN212872122U (en) | 2020-09-04 | 2020-09-04 | Mask breathing resistance tester |
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| Country | Link |
|---|---|
| CN (1) | CN212872122U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465873A (en) * | 2021-05-20 | 2021-10-01 | 西安医学院第一附属医院 | Experimental device for simulating internal flow of respiratory tract |
| CN116036549A (en) * | 2023-01-09 | 2023-05-02 | 黑龙江中医药大学 | Be applicable to intracardiac branch of academic or vocational study patient postoperative breathes with intelligent rehabilitation training device |
| CN117906989A (en) * | 2023-12-08 | 2024-04-19 | 莱茵技术监督服务（广东）有限公司 | Respiratory resistance tester for floating and diving respiratory tube and testing method thereof |
-
2020
- 2020-09-04 CN CN202021911228.3U patent/CN212872122U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465873A (en) * | 2021-05-20 | 2021-10-01 | 西安医学院第一附属医院 | Experimental device for simulating internal flow of respiratory tract |
| CN113465873B (en) * | 2021-05-20 | 2024-06-11 | 西安医学院第一附属医院 | Experimental device for simulating internal flow of respiratory tract |
| CN116036549A (en) * | 2023-01-09 | 2023-05-02 | 黑龙江中医药大学 | Be applicable to intracardiac branch of academic or vocational study patient postoperative breathes with intelligent rehabilitation training device |
| CN116036549B (en) * | 2023-01-09 | 2023-08-22 | 黑龙江中医药大学 | Be applicable to intracardiac branch of academic or vocational study patient postoperative breathes with intelligent rehabilitation training device |
| CN117906989A (en) * | 2023-12-08 | 2024-04-19 | 莱茵技术监督服务（广东）有限公司 | Respiratory resistance tester for floating and diving respiratory tube and testing method thereof |
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