CN219474904U - Air pressure generating equipment - Google Patents
Air pressure generating equipment Download PDFInfo
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- CN219474904U CN219474904U CN202320221933.8U CN202320221933U CN219474904U CN 219474904 U CN219474904 U CN 219474904U CN 202320221933 U CN202320221933 U CN 202320221933U CN 219474904 U CN219474904 U CN 219474904U
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- air pump
- air pressure
- pump
- storage module
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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Abstract
The utility model belongs to the technical field of air pressure generating equipment, and particularly relates to air pressure generating equipment, which comprises a box body, and an air storage module, a first air pump, a second air pump, an air outlet pipe, a switch valve and a power supply module which are arranged in the box body, wherein the air storage module is provided with a first interface, a second interface and an air outlet, the first air pump is connected with the first interface, and the second air pump is connected with the second interface; one end of the air outlet pipe is connected with the air outlet, and the other end of the air outlet pipe is used for connecting a medical catheter; the switch valve is used for controlling the on-off between the gas storage module and the medical catheter; the first air pump is used for inflating the air storage module so as to generate positive pressure in the medical catheter; the second air pump is used for exhausting air from the air storage module so as to generate negative pressure in the medical catheter, and two working conditions of positive pressure in the catheter and negative pressure in the catheter during detection of the medical catheter are met by the same device.
Description
Technical Field
The utility model belongs to the technical field of air pressure generating equipment, and particularly relates to air pressure generating equipment.
Background
The medical catheter is a tubular rubber product for medical treatment, is a medical product and mainly plays an auxiliary role in the medical treatment process, for example, is used for catheterization and drainage, and the balloon dilation catheter can play an auxiliary role in expanding a lumen and smoothening blood flow. At present, the clinical requirement on the performance of the medical catheter is higher, so that the performance detection of the medical catheter after the manufacture is particularly important, wherein the tightness of the medical catheter under different air pressures is an important index for detecting the performance of the medical catheter. In general, it is necessary to test the tightness of medical catheters at different pressures using an air pressure generating device.
Existing gas pressure generating devices form positive in-line pressure by flushing gas into or extracting gas from a medical catheter to be tested.
However, the existing air pressure generating equipment can only be used for forming positive pressure in a pipe or negative pressure in the pipe, and can not meet two working conditions of the positive pressure in the pipe and the negative pressure in the pipe when the medical catheter is detected on the same equipment, so that the application range is small.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: aiming at the problem that the existing pressure generating equipment cannot meet two working conditions of positive pressure in a pipe and negative pressure in the pipe during medical catheter detection on the same equipment, the air pressure generating equipment is provided.
In order to solve the technical problems, the embodiment of the utility model provides air pressure generating equipment, which comprises a box body, and an air storage module, a first air pump, a second air pump, an air outlet pipe, a switch valve and a power supply module which are arranged in the box body, wherein the air storage module is provided with a first interface, a second interface and an air outlet, the first air pump is connected with the first interface, and the second air pump is connected with the second interface.
One end of the air outlet pipe is connected with the air outlet, and the other end of the air outlet pipe is exposed out of the box body and is used for connecting a medical catheter; the switch valve is arranged in the air outlet pipe and used for controlling the on-off between the air storage module and the medical catheter; the power supply module is connected with the first air pump and the second air pump to supply power to the first air pump and the second air pump.
The first air pump is used for inflating the air storage module so as to generate positive pressure in the medical catheter; the second air pump is used for exhausting air from the air storage module so as to generate negative pressure in the medical catheter.
Optionally, the air pressure generating device further includes a first air pressure controller and a second air pressure controller, the first air pressure controller and the second air pressure controller are disposed outside the box, the first air pressure controller is electrically connected with the first air pump, and the second air pressure controller is electrically connected with the second air pump.
Optionally, the gas storage module includes first gas holder and second gas holder, first interface setting is in on the first gas holder, the second interface setting is in on the second gas holder, first gas holder with establish ties through the intermediate tube between the second gas holder, the gas outlet sets up on the intermediate tube.
Optionally, the air pressure generating device further comprises a first air pressure detecting device and a second air pressure detecting device.
The first air pressure detection device is electrically connected with the first air pressure controller and is used for detecting the air pressure of the first air storage tank; the second air pressure detection device is electrically connected with the second air pressure controller and is used for detecting the air pressure of the second air storage tank.
Optionally, the switch valve is an electromagnetic valve, and the switch valve is connected with the power module.
Optionally, the power module includes a first power source for supplying power to the first air pump and a second power source for supplying power to the second air pump.
Optionally, the air pressure generating device further comprises a first solid-state relay and a second solid-state relay, wherein the first solid-state relay is electrically connected between the first power supply and the first air pump, and the second solid-state relay is electrically connected between the second power supply and the second air pump.
Optionally, a partition plate is arranged in the box body, so that the inner space of the box body is divided into an upper space and a lower space, the air storage module, the first air pump and the second air pump are arranged in the upper space, the air storage module, the first air pump and the second air pump are fixed on the partition plate, the power supply module is arranged in the lower space, and the power supply module is fixed on the bottom wall of the box body.
Optionally, handles are disposed on opposite sides of the case.
Optionally, the air pressure generating device further comprises a scram switch, wherein the scram switch is installed outside the box body and is used for switching off the air pressure generating device.
According to the air pressure generating device provided by the embodiment of the utility model, the first air pump is used for inflating the air storage module to form a positive pressure environment in the air storage module when the switch valve is opened, so that positive pressure can be output to the medical catheter connected to the air outlet of the air storage module when the switch valve is opened, the second air pump is used for exhausting air from the air storage module to form a negative pressure environment in the air storage module, so that negative pressure can be output to the medical catheter connected to the air outlet of the air storage module when the switch valve is opened, two working conditions of positive pressure and negative pressure in the pipe when the same device meets the detection of the medical catheter can be realized, the application scene of the air pressure generating device is enlarged, and the application range of the air pressure generating device is increased.
Drawings
FIG. 1 is a schematic diagram of an overall structure of an air pressure generating apparatus according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram showing an internal structure of an air pressure generating apparatus according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of air circuit connection of an air pressure generating device according to an embodiment of the utility model.
Reference numerals in the specification are as follows: 1. a case; 2. a handle; 3. an emergency stop switch; 4. a first air pressure controller; 5. a second air pressure controller; 6. a device switch; 7. an air outlet pipe; 8. a first air storage tank; 9. a first air pump; 10. a second air pump; 11. a first solid state relay; 12. a first power supply; 13. a partition plate; 14. a second solid state relay; 15. a first interface; 16. a second interface; 17. a second air storage tank; 18. a first power supply; 19. a middle tube; 20. a first air pressure detecting device; 21. a second air pressure detecting device; 22. and a second power supply.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 3, an embodiment of the present utility model provides an air pressure generating apparatus, which includes a case 1, and an air storage module, a first air pump 9, a second air pump 10, an air outlet pipe 7, a switch valve, and a power module disposed in the case 1, where the air storage module has a first interface 15, a second interface 16, and an air outlet, the first air pump 9 is connected to the first interface 15, and the second air pump 10 is connected to the second interface 16.
One end of the air outlet pipe 7 is connected with the air outlet, and the other end of the air outlet pipe 7 is exposed out of the box body 1 and is used for connecting a medical catheter; the switch valve is arranged in the air outlet pipe 7 and is used for controlling the on-off between the air storage module and the medical catheter; the power supply module is connected with the first air pump 9 and the second air pump 10 to supply power to the first air pump 9 and the second air pump 10.
The first air pump 9 is used for inflating the air storage module so as to generate positive pressure in the medical catheter; the second air pump 10 is used for pumping air from the air storage module so as to generate negative pressure in the medical catheter. The first air pump 9 is used as an air pump, the second air pump 10 is used as an air pump, and the production cost of the device is reduced on the premise that the same device can meet the two working conditions of positive pressure in the tube and negative pressure in the tube during the detection of the medical catheter.
In an embodiment, the air pressure generating apparatus further includes a first air pressure controller 4 and a second air pressure controller 5, where the first air pressure controller 4 and the second air pressure controller 5 are disposed outside the case 1, the first air pressure controller 4 is electrically connected with the first air pump 9 (air pump) and is used for controlling the first air pump 9 to work, and the second air pressure controller 5 is electrically connected with the second air pump 10 (air pump) and is used for controlling the second air pump to work.
In an embodiment, the gas storage module includes first gas storage tank 8 and second gas storage tank 17, first interface 15 sets up on the first gas storage tank 8, second interface 16 sets up on the second gas storage tank 17, first gas storage tank 8 with establish ties through intermediate pipe 19 between the second gas storage tank 17 for first gas storage tank 8 and second gas storage tank 17 jointly form a pneumatic cabin, the gas outlet sets up on intermediate pipe 19's the intermediate position, outlet duct 7 orientation one end of gas storage module with the gas outlet links to each other, compares set up the gas outlet on the jar body of one of them on first gas storage tank 8 and the second gas storage tank 17, sets up the gas outlet on the intermediate position of intermediate pipe 19, has reduced the gas flow distance, can export the atmospheric pressure to medical pipe more rapidly when the ooff valve opens.
In an embodiment, the air pressure generating apparatus further comprises a first air pressure detecting device 20 and a second air pressure detecting device 21.
The first air pressure detecting device 20 is electrically connected with the first air pressure controller 4 and is used for detecting the air pressure of the first air storage tank 8; the second air pressure detecting device 21 is electrically connected to the second air pressure controller 5, and is configured to detect the air pressure of the second air tank 17.
The first air pressure detecting device 20 is disposed beside the first air tank 8, and is connected to the first air tank 8 through a first air pressure detecting air path, and is configured to detect air pressure of the first air tank 8, transmit a pressure signal to the first air pressure controller 4, and control the first air pump 9 to be started and closed by the first air pressure controller 4 according to the received pressure information; the second air pressure detecting device 21 is disposed beside the second air tank 17, and is connected to the second air tank 17 through a second air pressure detecting air path, and is configured to detect air pressure of the second air tank 17, transmit a pressure signal to the second air pressure controller 5, and control the air pump to be started and closed by the second air pressure controller 5 according to the received pressure information, so as to ensure that the air pressure generating device stably outputs pressure. Preferably, the first air pressure detecting device 20 and the second air pressure detecting device 21 are air pressure sensors.
In an embodiment, the switch valve is an electromagnetic valve, the switch valve is connected with the power module, a device switch 6 is arranged between the first air pressure controller 4 and the second air pressure controller 5 on the box 1, and the switch 6 controls the electromagnetic valve to be opened and closed, so as to control the on-off between the air storage module and the medical catheter.
In an embodiment, the power module includes a first power source 18 and a second power source 22, the first power source 18 is used for supplying power to the first air pump 9, and the second power source 22 is used for supplying power to the second air pump 10. Two power supplies are arranged for the two air pumps, so that the first power supply 18, the first air pressure controller 4 and the first air pump 9 form a first current path, the second power supply 22, the second air pressure controller 5 and the second air pump 10 form a second current path, and the two current paths work independently and do not affect each other.
In an embodiment, the air pressure generating apparatus further comprises a first solid state relay 11 and a second solid state relay 14, the first solid state relay 11 is electrically connected between the first power source 18 and the first air pump 9, and the second solid state relay 14 is electrically connected between the second power source 22 and the second air pump 10. The first solid-state relay 11 and the second solid-state relay 14 are provided in the two current paths, respectively, as safety units for the respective current paths, improving the safety of the air pressure generating apparatus.
In an embodiment, a partition 13 is disposed in the case 1 to divide the internal space of the case 1 into an upper space and a lower space, the air storage module, the first air pump 9 and the second air pump 10 are disposed in the upper space, the air storage module, the first air pump 9 and the second air pump 10 are fixed on the partition 13, the power module is disposed in the lower space, and the power module is fixed on the bottom wall of the case 1. In the upper space, the first air storage tank 8 and the second air storage tank 17 are arranged in parallel, the first air pump 9 is opposite to the first air storage tank 8, the second air pump 10 is opposite to the second air storage tank 17, the gas generating equipment is arranged in two layers, the layout is reasonable, the internal space of the box body 1 is fully utilized, and the whole volume of the gas generating equipment is reduced.
In an embodiment, the handles 2 are disposed on two opposite sides of the case 1, and the handles 2 on two sides are disposed on the outer wall of the case 1, so as to facilitate the movement of operators.
In an embodiment, the air pressure generating device further comprises a scram switch 3, wherein the scram switch 3 is installed outside the case 1 and is electrically connected between the power module and the first air pump 9 and the second air pump 10, and is used for power-off of the air pressure generating device so as to improve the safety of the air pressure generating device.
The working principle of the air pressure generating device of the embodiment of the utility model is as follows:
when the positive pressure is required to be output to the inside of the medical catheter, a required positive pressure value is firstly input into the first air pressure controller 4, the second air pressure controller 5, the second air pump 10 and the electromagnetic valve are kept closed, then the first air pressure detection device 20 is opened, the pressure value in the air storage module is detected by the first air pressure detection device 20 and the pressure information is transmitted to the first air pressure controller 4, the first air pressure controller 4 judges whether the pressure in the air storage module reaches a required range according to the received pressure information, if the pressure in the air storage module does not reach the required range, the first air pressure controller 4 controls the first air pump 9 to start so as to charge air in the air storage module until the required positive pressure value is reached, then the medical catheter is connected to the air outlet pipe 7, the device switch 6 is opened, the positive pressure in the air storage module is input into the medical catheter by the device switch 6, and once the positive pressure in the air storage module is detected by the first air pressure detection device 20 to be lower than the required range, the first air pressure controller 4 controls the first air pump 9 to start so that the positive pressure in the air storage module is always kept within the required range.
When negative pressure is required to be output into the medical catheter, a required negative pressure value is input into the second air pressure controller 5, the first air pump 9 and the electromagnetic valve are kept closed, the second air pressure detection device 21 is opened, the pressure value in the air storage module is detected by the second air pressure detection device 21, the pressure information is transmitted to the second air pressure controller 5, the second air pressure controller 5 judges whether the pressure in the air storage module reaches a required range according to the received pressure information, if the pressure information does not reach the required range, the second air pump 10 is controlled to be started by the second air pressure controller 5 so as to suck air from the air storage module until the required negative pressure value is reached, then the medical catheter is connected to the air outlet pipe 7, the device switch 6 is opened, the electromagnetic valve is controlled to be opened by the device switch 6, the air storage module is sucked from the medical catheter due to the existence of pressure difference, and in the process, once the second air pressure detection device 21 detects that the negative pressure in the air storage module is higher than the required range, the second air pump 10 is controlled by the second air pump 5 so that the negative pressure in the air storage module is always kept within the required range.
According to the air pressure generating device provided by the embodiment of the utility model, the first air pump 9 is used for inflating the air storage module to form a positive pressure environment in the air storage module when the switch valve is opened, so that positive pressure can be output to the medical catheter connected to the air outlet of the air storage module, the second air pump 10 is used for exhausting air from the air storage module to form a negative pressure environment in the air storage module when the switch valve is opened, so that negative pressure can be output to the medical catheter connected to the air outlet of the air storage module when the switch valve is opened, two working conditions of positive pressure and negative pressure in the pipe when the same device meets the detection of the medical catheter can be realized, the application scene of the air pressure generating device is enlarged, and the application range of the air pressure generating device is increased.
In other embodiments, the on-off valve may also be a manual valve that is opened or closed by manual pressing or rotation.
In other embodiments, the power supply module may also be provided with only one power supply, which supplies both the first air pump 9 and the second air pump 10.
In other embodiments, a door handle may be provided on the top wall of the case 1.
In other embodiments, the air outlet may be provided in one of the first air tank 8 and the second air tank 17.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The air pressure generating device is characterized by comprising a box body (1), and an air storage module, a first air pump (9), a second air pump (10), an air outlet pipe (7), a switch valve and a power supply module which are arranged in the box body (1), wherein the air storage module is provided with a first interface (15), a second interface (16) and an air outlet, the first air pump (9) is connected with the first interface (15), and the second air pump (10) is connected with the second interface (16);
one end of the air outlet pipe (7) is connected with the air outlet, and the other end of the air outlet pipe (7) is exposed out of the box body (1) and is used for connecting a medical catheter; the switch valve is arranged in the air outlet pipe (7) and is used for controlling the on-off between the air storage module and the medical catheter; the power supply module is connected with the first air pump (9) and the second air pump (10) to supply power to the first air pump (9) and the second air pump (10);
the first air pump (9) is used for inflating the air storage module so as to generate positive pressure in the medical catheter; the second air pump (10) is used for exhausting air from the air storage module so as to generate negative pressure in the medical catheter.
2. The air pressure generating apparatus according to claim 1, further comprising a first air pressure controller (4) and a second air pressure controller (5), wherein the first air pressure controller (4) and the second air pressure controller (5) are disposed outside the case (1), the first air pressure controller (4) is electrically connected with the first air pump (9), and the second air pressure controller (5) is electrically connected with the second air pump (10).
3. The air pressure generating device according to claim 2, wherein the air storage module comprises a first air storage tank (8) and a second air storage tank (17), the first interface (15) is arranged on the first air storage tank (8), the second interface (16) is arranged on the second air storage tank (17), the first air storage tank (8) and the second air storage tank (17) are connected in series through an intermediate pipe (19), and the air outlet is arranged on the intermediate pipe (19).
4. A gas pressure generating apparatus according to claim 3, characterized in that the gas pressure generating apparatus further comprises first gas pressure detecting means (20) and second gas pressure detecting means (21);
the first air pressure detection device (20) is electrically connected with the first air pressure controller (4) and is used for detecting the air pressure of the first air storage tank (8); the second air pressure detection device (21) is electrically connected with the second air pressure controller (5) and is used for detecting the air pressure of the second air storage tank (17).
5. The air pressure generating apparatus according to claim 1, wherein the on-off valve is a solenoid valve, and the on-off valve is connected to the power supply module.
6. The air pressure generating apparatus according to claim 1, wherein the power supply module comprises a first power supply (18) and a second power supply (22), the first power supply (18) being for the first air pump (9) to supply power, the second power supply (22) being for the second air pump (10) to supply power.
7. The air pressure generating apparatus according to claim 6, further comprising a first solid state relay (11) and a second solid state relay (14), the first solid state relay (11) being electrically connected between the first power supply (18) and the first air pump (9), the second solid state relay (14) being electrically connected between the second power supply (22) and the second air pump (10).
8. The air pressure generating apparatus as recited in any one of claims 1 to 7, wherein a partition plate (13) is provided in the case (1) to partition an inner space of the case (1) into an upper space and a lower space, the air storage module, the first air pump (9), and the second air pump (10) are disposed in the upper space, the air storage module, the first air pump (9), and the second air pump (10) are fixed on the partition plate (13), the power supply module is disposed in the lower space, and the power supply module is fixed on a bottom wall of the case (1).
9. The air pressure generating apparatus as claimed in any one of claims 1 to 7, wherein handles (2) are provided on opposite sides of the case (1).
10. The air pressure generating apparatus according to any one of claims 1 to 7, further comprising a scram switch (3), the scram switch (3) being mounted outside the case (1) for power-off of the air pressure generating apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320221933.8U CN219474904U (en) | 2023-02-15 | 2023-02-15 | Air pressure generating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320221933.8U CN219474904U (en) | 2023-02-15 | 2023-02-15 | Air pressure generating equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219474904U true CN219474904U (en) | 2023-08-04 |
Family
ID=87440808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320221933.8U Active CN219474904U (en) | 2023-02-15 | 2023-02-15 | Air pressure generating equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219474904U (en) |
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2023
- 2023-02-15 CN CN202320221933.8U patent/CN219474904U/en active Active
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