CN219167258U

CN219167258U - Medical dry-type vacuum negative pressure suction system

Info

Publication number: CN219167258U
Application number: CN202223567853.2U
Authority: CN
Inventors: 李冰; 李海燕
Original assignee: Weihai Witwin Vacuum Science & Technology Co ltd
Current assignee: Weihai Witwin Vacuum Science & Technology Co ltd
Priority date: 2022-12-25
Filing date: 2022-12-25
Publication date: 2023-06-13
Anticipated expiration: 2032-12-25

Abstract

The application provides a medical dry-type vacuum negative pressure suction system, including an electromagnetic control valve, a screw vacuum pump, a controller, electric heat high temperature disinfector, no. two screw vacuum pumps and No. two electromagnetic control valves, an electromagnetic control valve passes through the pipeline and is connected with a screw vacuum pump, no. two electromagnetic control valves pass through the pipeline and are connected with No. two screw vacuum pumps, a screw vacuum pump and No. two screw vacuum pumps pass through the pipeline and are connected with electric heat high temperature disinfector, an electromagnetic control valve, a screw vacuum pump, electric heat high temperature disinfector, no. two screw vacuum pumps and No. two electromagnetic control valves and electric connection between the controller. According to the medical dry type vacuum negative pressure suction system, the dry type screw vacuum pump is used as a vacuum power source, and then the gas temperature can reach 400-500 ℃ in the electric heating high-temperature sterilizer, so that bacteria and viruses are completely inactivated, and the aim of disinfection is fulfilled.

Description

Medical dry-type vacuum negative pressure suction system

Technical Field

The application belongs to the technical field of vacuum negative pressure suction, and more particularly relates to a medical dry vacuum negative pressure suction system.

Background

The central vacuum negative pressure suction system is a necessary device for large and medium-sized hospitals, the system is introduced into the parts of an operation center, a ward and the like through a pipeline and used as a power source for collecting blood liquid dirt, patient sputum and the like in the operation, although the front-mounted gas-liquid separation device is arranged, partial gas and liquid can not be prevented from entering the vacuum system through a pipeline, bacteria and viruses directly enter the central vacuum system, most of the bacteria and viruses are mixed with working water in a vacuum pump, a small part of the bacteria and viruses are directly discharged into the air, the working liquid of the vacuum pump adopts water, the water is in closed loop circulation work, the content of bacteria and viruses in the water is higher and higher along with the lengthening concentration of time, high-risk pollutants are formed, and the viruses discharged into the air can also cause the spreading risk of epidemic diseases.

The existing central vacuum negative pressure system adopts a water ring vacuum pump, so that the faults of rust, death, scaling and the like are easy to generate, and the automatic control is not easy to realize unattended operation.

Disclosure of Invention

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: the utility model provides a medical dry-type vacuum negative pressure suction system, including solenoid valve, screw rod vacuum pump, controller, electric heat high temperature disinfector, no. two screw rod vacuum pumps and No. two solenoid valve, solenoid valve passes through the pipeline and is connected with No. one screw rod vacuum pump, no. two solenoid valve passes through the pipeline and is connected with No. two screw rod vacuum pumps, no. one screw rod vacuum pump and No. two screw rod vacuum pumps pass through the pipeline and are connected with electric heat high temperature disinfector, electric connection between solenoid valve, no. one screw rod vacuum pump, electric heat high temperature disinfector, no. two screw rod vacuum pumps and No. two solenoid valve and the controller.

Optionally, the electric heating high temperature sterilization device consists of a connecting mechanism, a pressing mechanism, a filter element, a supporting ring, a resistance wire, a heat preservation barrel, an air inlet, an air outlet and an end cover, wherein the connecting mechanism is arranged outside the upper end of the heat preservation barrel, the upper end of the heat preservation barrel is connected with the end cover through the connecting mechanism, the lower end of the heat preservation barrel is fixedly connected with the air inlet, the supporting ring and the resistance wire are fixedly connected in the heat preservation barrel, and the filter element is arranged at the upper end of the supporting ring; the end cover is internally provided with a pressing mechanism which is used for fixing the filter element.

Optionally, the resistance wire is located at the lower end of the support ring, and the resistance wire is in a spiral shape.

Optionally, coupling mechanism includes first flange, second flange, fixed column and nut, heat preservation bucket circumference fixedly connected with first flange, first flange upper end fixedly connected with fixed column, fixed column circumference sliding connection has the second flange, fixed connection between second flange and the end cover, fixed column circumference threaded connection has the nut, the nut is located second flange upper end.

Optionally, push down the mechanism and include fixed section of thick bamboo, spring, fly leaf, stop ring, movable rod and lower clamping ring, fixedly connected with fixed section of thick bamboo in the end cover, fixedly connected with spring in the fixed section of thick bamboo, spring lower extreme fixedly connected with fly leaf, sliding connection between fly leaf and the fixed section of thick bamboo, fly leaf lower extreme fixedly connected with movable rod, movable rod lower extreme fixedly connected with lower clamping ring, lower clamping ring closely laminates with the filter core, the inside lower extreme fixedly connected with stop ring of fixed section of thick bamboo, sliding connection between stop ring and the movable rod.

Optionally, the inner diameter of the baffle ring is larger than or equal to the diameter of the moving rod and smaller than the diameter of the moving plate.

The utility model has the following beneficial effects:

compared with the prior art, the dry screw vacuum pump is used as a vacuum power source, so that the service life is long, and the pumped air body is directly discharged out of the pump without generating additional pollution; the dry screw vacuum pump is used as a vacuum power source, so that energy is saved up to a certain degree compared with a water ring vacuum pump system; meanwhile, the dry screw vacuum pump is used as a vacuum power source, so that automatic control can be easily realized, and unattended operation can be achieved; the pumped air is exhausted to the outside of the pump, and the electric heating high temperature sterilizer can reach gas temperature of 400-500 deg.c to deactivate bacteria and virus completely.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a vacuum system of the present utility model;

FIG. 2 is a schematic view of a cross-section of an electrothermal high temperature sterilizer according to the present utility model;

FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with the present utility model;

fig. 4 is an enlarged view of portion B of fig. 3 in accordance with the present utility model.

The symbols in the drawings illustrate:

1. a first electromagnetic control valve; 2. a first screw vacuum pump; 3. a controller; 4. an electrothermal high temperature sterilizer; 5. a screw vacuum pump II; 6. a second electromagnetic control valve; 7. a connecting mechanism; 701. a first flange; 702. a second flange; 703. fixing the column; 704. a nut; 8. a pressing mechanism; 801. a fixed cylinder; 802. a spring; 803. a moving plate; 804. a baffle ring; 805. a moving rod; 806. a lower pressing ring; 9. a filter element; 10. a support ring; 11. a resistance wire; 12. a heat-preserving barrel; 13. an air inlet; 14. an air outlet; 15. an end cap.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application 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 present application.

Referring to fig. 1-4, a medical dry vacuum suction system provided in an embodiment of the present application will now be described. The medical dry vacuum negative pressure suction system comprises a first electromagnetic control valve 1, a first screw vacuum pump 2, a controller 3, an electric heating high temperature eliminator 4, a second screw vacuum pump 5 and a second electromagnetic control valve 6, wherein the first electromagnetic control valve 1 is connected with the first screw vacuum pump 2 through a pipeline, the second electromagnetic control valve 6 is connected with the second screw vacuum pump 5 through a pipeline, the first screw vacuum pump 2 and the second screw vacuum pump 5 are connected with the electric heating high temperature eliminator 4 through pipelines, and the first electromagnetic control valve 1, the first screw vacuum pump 2, the electric heating high temperature eliminator 4, the second screw vacuum pump 5 and the second electromagnetic control valve 6 are electrically connected with the controller 3.

Specifically, the whole pipeline is vacuumized by utilizing the first screw vacuum pump 2 and the second screw vacuum pump 5, then the size of air inlet can be adjusted under the cooperation of the first electromagnetic control valve 1 and the second electromagnetic control valve 6, air pumped by the first screw vacuum pump 2 and the second screw vacuum pump 5 enters the electric heating high-temperature sterilizer 4, and then the air temperature can reach 400-500 ℃ under the action of the electric heating high-temperature sterilizer 4, so that bacteria and viruses are completely inactivated, and the aim of sterilization is fulfilled.

The electric heating high-temperature sterilization device 4 consists of a connecting mechanism 7, a pressing mechanism 8, a filter element 9, a supporting ring 10, a resistance wire 11, a heat preservation barrel 12, an air inlet 13, an air outlet 14 and an end cover 15, wherein the connecting mechanism 7 is arranged outside the upper end of the heat preservation barrel 12, the end cover 15 is connected to the upper end of the heat preservation barrel 12 through the connecting mechanism 7, the air inlet 13 is fixedly connected to the lower end of the heat preservation barrel 12, the supporting ring 10 and the resistance wire 11 are fixedly connected in the heat preservation barrel 12, and the filter element 9 is arranged at the upper end of the supporting ring 10; be provided with pushing down mechanism 8 in the end cover 15, pushing down mechanism 8 is used for fixed filter core 9, the during operation is for resistance wire 11 circular telegram earlier, at this moment can make the temperature in the heat preservation bucket 12 rise under the cooperation of resistance wire 11, just so be convenient for heat the gas that gets into in the heat preservation bucket 12, be favorable to killing gaseous inside virus, utilize coupling mechanism 7 and pushing down mechanism 8 afterwards, can fix filter core 9 in heat preservation bucket 12, can advance under the effect of filter core 9 like this to gas filter, effectively reduce the leakage of virus, also be convenient for change filter core 9 simultaneously under coupling mechanism 7 and pushing down mechanism 8's cooperation.

The resistance wire 11 is located the support ring 10 lower extreme, and resistance wire 11 is the spiral form, and during operation, because resistance wire 11 is the spiral form, just so can increase the heating area, be favorable to improving the inside heat of heat preservation bucket 12.

The coupling mechanism 7 includes first flange 701, second flange 702, fixed column 703 and nut 704, the first flange 701 of heat preservation bucket 12 circumference fixedly connected with, first flange 701 upper end fixedly connected with fixed column 703, fixed column 703 circumference sliding connection has second flange 702, fixed connection between second flange 702 and the end cover 15, fixed column 703 circumference threaded connection has nut 704, nut 704 is located second flange 702 upper end, during operation, through dismantling nut 704, just can dismantle end cover 15 at this moment to remove the fixed to filter core 9.

Optionally, the pressing mechanism 8 includes a fixed cylinder 801, a spring 802, a moving plate 803, a baffle ring 804, a moving rod 805 and a pressing ring 806, where the fixed cylinder 801 is fixedly connected in the end cover 15, the spring 802 is fixedly connected in the fixed cylinder 801, the moving plate 803 is fixedly connected to the lower end of the spring 802, the moving plate 803 is slidably connected with the fixed cylinder 801, the moving rod 805 is fixedly connected to the lower end of the moving rod 803, the pressing ring 806 is tightly attached to the filter core 9, the baffle ring 804 is fixedly connected to the lower end of the fixed cylinder 801, the baffle ring 804 is slidably connected with the moving rod 805, and in operation, the pressing ring 806 is driven to contact with the filter core 9 as the pressing ring 806 contacts with the filter core 9, the moving rod 805 is driven to move into the fixed cylinder 801 as the moving rod 805, the spring 802 is compressed under the cooperation of the moving plate 803, the pressing ring 803 is then tightly contacted with the filter core 9 under the action of the spring 802, and the pressing ring 803 is prevented from damaging the filter core 9 due to the pressing of the spring 803.

Optionally, the inner diameter of the baffle ring 804 is larger than or equal to the diameter of the moving rod 805 and smaller than the diameter of the moving plate 803, and in operation, by arranging the baffle ring 804 and the moving plate 803, the moving rod 805 is prevented from being separated from the fixed cylinder 801.

Working principle:

the first screw vacuum pump 2 and the second screw vacuum pump 5 are installed in parallel, when the primary starting or the whole pipeline is at normal pressure, the controller 3 controls the two screw vacuum pumps to work simultaneously, the system is pumped to the set pressure quickly, an electromagnetic control valve installed in front of each screw vacuum pump is opened simultaneously, when the system pressure reaches the set value, the screw vacuum pumps stop working, if the pressure is lower than the set lower limit due to negative pressure suction and system leakage at the ward and other parts, one screw vacuum pump is started, and the system pressure is recovered. And then the two screw vacuum pumps alternately work, and an electromagnetic control valve arranged in front of each screw vacuum pump is synchronously opened and closed with the screw vacuum pump.

The exhaust ports of the two screw vacuum pumps are converged into a pipeline and then are led to the electric heating high-temperature sterilizer 4, the gas inactivates bacteria and viruses entrained in the gas through the electric heating high-temperature sterilizer 4 and then is discharged out of the device, the electric heating of the electric heating high-temperature sterilizer 4 is controlled by the controller 3, the electric heating high-temperature sterilizer 4 synchronously works with the two vacuum pumps, the power of the heater is enough to ensure that the discharged gas can be heated to 400-500 ℃.

The whole system is provided with a screw vacuum pump, an electromagnetic control valve and an electric heating high-temperature sterilization device 4, collected data are transmitted to a main control center through a remote transmission line, and the pump room can be unattended.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims

1. A medical dry vacuum negative pressure suction system, characterized in that: the electric heating high-temperature sterilization device comprises a first electromagnetic control valve (1), a first screw vacuum pump (2), a controller (3), an electric heating high-temperature sterilization device (4), a second screw vacuum pump (5) and a second electromagnetic control valve (6), wherein the first electromagnetic control valve (1) is connected with the first screw vacuum pump (2) through a pipeline, the second electromagnetic control valve (6) is connected with the second screw vacuum pump (5) through a pipeline, the first screw vacuum pump (2) and the second screw vacuum pump (5) are connected with the electric heating high-temperature sterilization device (4) through pipelines, and the first electromagnetic control valve (1), the first screw vacuum pump (2), the electric heating high-temperature sterilization device (4), the second screw vacuum pump (5) and the second electromagnetic control valve (6) are electrically connected with the controller (3).

2. A medical dry vacuum negative pressure suction system according to claim 1, wherein: the electric heating high-temperature sterilization device (4) consists of a connecting mechanism (7), a pressing mechanism (8), a filter core (9), a supporting ring (10), a resistance wire (11), a heat preservation barrel (12), an air inlet (13), an air outlet (14) and an end cover (15), wherein the connecting mechanism (7) is arranged outside the upper end of the heat preservation barrel (12), the end cover (15) is connected to the upper end of the heat preservation barrel (12) through the connecting mechanism (7), the air inlet (13) is fixedly connected to the lower end of the heat preservation barrel (12), the supporting ring (10) and the resistance wire (11) are fixedly connected in the heat preservation barrel (12), and the filter core (9) is arranged at the upper end of the supporting ring (10); a pressing mechanism (8) is arranged in the end cover (15), and the pressing mechanism (8) is used for fixing the filter element (9).

3. A medical dry vacuum negative pressure suction system according to claim 2, wherein: the resistance wire (11) is positioned at the lower end of the supporting ring (10), and the resistance wire (11) is in a spiral shape.

4. A medical dry vacuum negative pressure suction system according to claim 3, wherein: coupling mechanism (7) are including first flange (701), second flange (702), fixed column (703) and nut (704), first flange (701) of heat preservation (12) circumference fixedly connected with, first flange (701) upper end fixedly connected with fixed column (703), fixed column (703) circumference sliding connection has second flange (702), fixed connection between second flange (702) and end cover (15), fixed column (703) circumference threaded connection has nut (704), nut (704) are located second flange (702) upper end.

5. A medical dry vacuum negative pressure suction system according to claim 4, wherein: the pushing mechanism (8) comprises a fixed cylinder (801), a spring (802), a moving plate (803), a baffle ring (804), a moving rod (805) and a lower pressing ring (806), wherein the fixed cylinder (801) is fixedly connected in the end cover (15), the spring (802) is fixedly connected in the fixed cylinder (801), the moving plate (803) is fixedly connected with the lower end of the spring (802), the moving plate (803) is slidably connected with the fixed cylinder (801), the moving rod (805) is fixedly connected with the lower end of the moving plate (803), the lower pressing ring (806) is fixedly connected with the lower pressing ring (806), the lower pressing ring (806) is tightly attached to the filter core (9), the baffle ring (804) is fixedly connected with the lower end of the inside of the fixed cylinder (801), and the baffle ring (804) is slidably connected with the moving rod (805).

6. A medical dry vacuum negative pressure suction system according to claim 5, wherein: the inner diameter of the baffle ring (804) is larger than or equal to the diameter of the moving rod (805) and smaller than the diameter of the moving plate (803).