Protective negative pressure device for mobile vehicle
By designing a protective negative pressure device on the mobile vehicle, and utilizing a combination of bidirectional fans and multi-stage filtration components with ultraviolet lamp disinfection and a motor-driven dust removal mechanism, the problem of dust accumulation in the air filtration system was solved, thereby improving air purification and safety protection.
Patent Information
- Application Number
- CN202511308763.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-15
- Publication Date
- 2025-11-04
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
When mobile vehicles are performing tasks, the air filtration system is prone to accumulating dust, which is difficult to disinfect and can lead to the spread of harmful substances, affecting personnel safety.
A protective negative pressure device was designed, comprising a bidirectional fan, a multi-stage filtration system, and a dust collection device. It forms a stable air circulation through negative pressure, and combined with ultraviolet lamp disinfection and a motor-driven dust removal mechanism, it achieves air purification and dust collection.
It effectively prevents harmful substances from spreading outward, enhances protective safety, ensures air purification effect, simplifies the dust cleaning process, and improves the ease of operation and safety of the equipment.
Smart Images

Figure CN120886633A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of mobile vehicle protection, and particularly relates to a protection negative pressure device for mobile vehicle. BACKGROUND
[0002] When performing tasks, mobile vehicles such as ambulances and epidemic detection vehicles may come into contact with harmful substances such as pollutants and bacteria. If the air in the vehicle cannot be effectively controlled, harmful substances may spread, affecting the safety of personnel.
[0003] At present, although some existing mobile vehicles are equipped with air filters, dust may accumulate on the filter screen during long-term operation. Fine dust in the air and ultraviolet light are difficult to disinfect, and dust is not easy to clean. Therefore, there is an urgent need to develop a protection negative pressure device for mobile vehicle. SUMMARY
[0004] The purpose of the present application is to provide a dust cleaning function for the filter screen. Another purpose of the present application is to provide a dust collection function.
[0005] Technical scheme: A protection negative pressure device for mobile vehicle, comprising a box body, a support plate is fixedly installed on the inside top of the box body, a bidirectional fan is fixedly installed on the upper surface of the support plate, an air inlet tube is fixedly installed at the bottom end of the output end of the bidirectional fan and penetrates to the lower side of the support plate, an air outlet tube is integrally formed between the input end of the bidirectional fan and the left side of the box body, a motor is fixedly installed on the upper surface of the support plate and located to the right of the bidirectional fan, a gear one is fixedly connected to the bottom end of the output end of the motor and penetrates to the lower side of the support plate, an air pump is fixedly installed on the upper surface of the support plate and located to the left of the motor, a soft tube is fixedly installed at the bottom end of the output end of the air pump and penetrates to the lower side of the support plate, a communication pipe is fixedly connected to the bottom end of the soft tube, a blowing port is fixedly installed at both ends of the communication pipe, a sliding block is fixedly installed on the upper surface of each blowing port, a bidirectional threaded rod is threadedly connected to the inner side walls of the two sliding blocks, the left end of the bidirectional threaded rod is rotatably connected to the inner left side of the box body through a rotating shaft, a gear two is fixedly connected to the right side of the bidirectional threaded rod, the outer side wall of the gear two is meshingly connected with the outer side wall of the gear one, a high-efficiency filter plate is slidably installed in the inside of the box body and below the blowing port, a ultraviolet lamp is fixedly installed in the inside of the box body and below the high-efficiency filter plate, and a pre-filter plate is slidably connected in the inside of the box body and below the ultraviolet lamp.
[0006] Further, the rear surface of the box is fixedly installed with a fixed plate below the pre-filter plate, the rear surface of the box is fixedly installed with an electric telescopic rod one above the fixed plate, the front end of the output end of the electric telescopic rod one is fixedly installed with a concave push block penetrating into the interior of the box, the lower surface of the concave push block is attached to the upper surface of the fixed plate, the rear surface of the box is fixedly installed with an electric telescopic rod two below the fixed plate, the front end of the output end of the electric telescopic rod two is fixedly installed with a receiving plate penetrating into the interior of the box, the rear surface of the receiving plate is fixedly installed with a guide rod on both sides of the electric telescopic rod two, the rear end of the guide rod penetrates to the rear of the box and is in sliding connection with the box.
[0007] Further, the front surface of the box is detachably connected with a box cover through bolts, the front surface of the box cover is provided with a plate outlet below, the receiving plate is clamped on the inner side of the plate outlet, and the lower side of the plate outlet and the two sides and the rear surface of the box are provided with air inlets.
[0008] Further, the upper surface of the interior of the box is fixedly installed with a gas pressure sensing element.
[0009] Further, the upper surface of the box is embedded with a display screen.
[0010] Further, the upper surface of the box is fixedly installed with a buzzer on the right side.
[0011] Further, the bottom of the box is fixedly installed with a plurality of steering wheels.
[0012] Beneficial effects: the negative pressure generating assembly is used to form stable negative pressure in the interior of the mobile vehicle, effectively prevent harmful substances from spreading outward, improve protection safety, the multi-stage filtering assembly is arranged, harmful substances in the discharged air can be sufficiently filtered, pollution to the outside is avoided, dust is easily accumulated in the long-term operation of the filtering assembly, manual cleaning is difficult and time-consuming and labor-consuming, the dust removal treatment is performed by the installed fan, at the same time, the dust collecting device is installed, the residual dust on the filtering plate is further collected, better disinfection and sterilization effect is obtained, and the health and safety of personnel are protected; the control assembly and the pressure detection assembly cooperate, the negative pressure in the vehicle can be adjusted and monitored in real time, the operation is convenient, and different working scenes are adapted. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 is a front view structural schematic diagram of the present application;
[0014] Figure 2 is a rear view structural schematic diagram of the present application;
[0015] Figure 3 is an interior front view structural schematic diagram of the present application;
[0016] Figure 4 is the rear view structural schematic diagram of the bidirectional fan, motor, air pump and blowing port of the present application;
[0017] Figure 5 is the side view structural schematic diagram of the fixed plate, electric telescopic rod one, receiving plate and guide rod of the present application.
[0018] In the figure: 1, box body; 2, support plate; 3, bidirectional fan; 4, air inlet cylinder; 5, air outlet cylinder; 6, motor; 7, gear one; 8, air pump; 9, hose; 10, intercommunication pipe; 11, blowing port; 12, sliding block; 13, bidirectional threaded rod; 14, gear two; 15, high-efficiency filter plate; 16, ultraviolet lamp; 17, pre-filter plate; 18, fixed plate; 19, electric telescopic rod one; 20, concave push block; 21, electric telescopic rod two; 22, receiving plate; 23, guide rod; 24, box cover; 25, outlet plate port; 26, air inlet; 27, air pressure sensing element; 28, display screen; 29, buzzer; 30, steering wheel. DETAILED DESCRIPTION
[0019] In order to make the technical scheme of the present application clearer, the present application is further described in detail below in combination with the drawings and specific embodiments.
[0020] EMBODIMENT
[0021] As Figures 1-5As shown, a mobile car protection negative pressure device is provided, comprising a box body 1, the upper inside of the box body 1 is fixedly installed with a support plate 2, the upper surface of the support plate 2 is fixedly installed with a bidirectional fan 3, the bottom end of the output end of the bidirectional fan 3 is fixedly installed with an air inlet tube 4 which penetrates to the lower side of the support plate 2, the input end of the bidirectional fan 3 is integrally formed with an air outlet tube 5 between the left side of the box body 1, the upper surface of the support plate 2 and located at the right side of the bidirectional fan 3 is fixedly installed with a motor 6, the bottom end of the output end of the motor 6 penetrates to the lower side of the support plate 2 and is fixedly connected with a gear one 7, the upper surface of the support plate 2 and located at the left side of the motor 6 is fixedly installed with an air pump 8, the bottom end of the output end of the air pump 8 penetrates to the lower side of the support plate 2 and is fixedly installed with a hose 9, the bottom end of the hose 9 is fixedly connected with a communication pipe 10, both ends of the communication pipe 10 are fixedly installed with a blowing port 11, the upper surface of the two blowing ports 11 are fixedly installed with a sliding block 12, the inner side wall of the two sliding blocks 12 are threadedly connected with a bidirectional threaded rod 13, the left end of the bidirectional threaded rod 13 is rotatably connected with the inside left side of the box body 1 through a rotating shaft, the right side of the bidirectional threaded rod 13 is fixedly connected with a gear two 14, the outer side wall of the gear two 14 is meshingly connected with the outer side wall of the gear one 7, the inside of the box body 1 and located below the blowing port 11 is slidably installed with a high efficiency filter plate 15, the inside of the box body 1 and located below the high efficiency filter plate 15 is fixedly installed with an ultraviolet lamp 16, the inside of the box body 1 and located below the ultraviolet lamp 16 is slidably connected with a pre-filter plate 17.
[0022] The mobile car protection negative pressure device, the core function is to filter and sterilize the air, when working, the bidirectional fan 3 sucks the air in the box body 1 through the air inlet tube 4, and discharges through the air outlet tube 5, forming air circulation power; The air treatment path is: entering through the air inlet 26, first intercepting large particle impurities through the lower pre-filter plate 17, then sterilizing and disinfecting through the ultraviolet lamp 16 area, and finally completing deep purification through the high efficiency filter plate 15 filtering small particles. In addition, the high efficiency filter plate 15 and the pre-filter plate 17 are designed to be slidably installed, which is convenient for maintenance and replacement, and the overall design reflects the linkage; When the work is finished, the cleaning device can be started, the gear one 7 is driven to rotate by the motor 6, at the same time, the gear one 7 is meshingly connected with the gear two 14, driving the bidirectional threaded rod 13 to reciprocate, making the two blowing ports 11 threadedly connected with the bidirectional threaded rod 13 move along the rod in opposite directions or reverse directions, at the same time, the airflow generated by the air pump 8 blows out from the blowing port 11 through the hose 9 and the communication pipe 10, fully blowing the lower high efficiency filter plate 15, preventing dust from adhering to the pre-filter plate 17 and the high efficiency filter plate 15.
[0023] As Figure 3 Figure 5As shown, the inner rear surface of the box body 1 below the pre-filter plate 17 is fixedly installed with a fixed plate 18, the rear surface of the box body 1 above the fixed plate 18 is fixedly installed with an electric telescopic rod 1 9, the front end of the output end of the electric telescopic rod 1 9 penetrates into the interior of the box body 1 and is fixedly installed with a concave push block 20, the lower surface of the concave push block 20 is attached to the upper surface of the fixed plate 18, the rear surface of the box body 1 below the fixed plate 18 is fixedly installed with an electric telescopic rod 2 1, the front end of the output end of the electric telescopic rod 2 1 penetrates into the interior of the box body 1 and is fixedly installed with a receiving plate 22, the rear surface of the receiving plate 22 on both sides of the electric telescopic rod 2 1 is fixedly installed with a guide rod 23, the rear end of the guide rod 23 penetrates to the rear of the box body 1 and is slidingly connected with the box body 1 ;
[0024] The above structure is a dust collection structure, the fixed plate 18 serves as a basic bearing component and provides a stable sliding support surface for the concave push block 20; the electric telescopic rod 1 9 drives the concave push block 20 to move forward and backward along the fixed plate 18, when the air outlet 1 1 blows dust onto the fixed plate 18, the electric telescopic rod 1 9 drives the dust to the receiving plate 22 through the concave push block 20; the electric telescopic rod 2 1 below the fixed plate 18 is responsible for driving the receiving plate 22 to stretch and retract forward and backward, the sliding cooperation of the guide rods 23 on both sides with the box body 1 effectively enhances the stability and accuracy of the movement of the receiving plate 22, ensuring that it can reliably receive or transfer dust through the plate outlet 25, in addition, the concave design of the receiving plate 22 can better collect dust, and the combination of electric driving and mechanical guidance realizes the orderly movement and cooperation of the components in the box body 1.
[0025] As shown in Figure 1 The front surface of the box body 1 is detachably connected with a box cover 24 through bolts, the front surface of the box cover 24 below is provided with a plate outlet 25, the receiving plate 22 is clamped on the inner side of the plate outlet 25, and the lower side of the plate outlet 25 and the two sides and the rear surface of the box body 1 are provided with air inlets 26;
[0026] The detachable connection of the box cover 24 and the box body 1 through bolts not only ensures the stability of the connection, but also facilitates the maintenance, repair or replacement of the internal components of the box body 1 in the later period, improving the maintainability of the equipment; the clamping of the receiving plate 22 on the inner side of the plate outlet 25 below the front surface of the box cover 24 can ensure the stable position of the receiving plate 22 during the working process, avoiding the influence of dust scattering due to shaking, and the clamping structure also facilitates the installation and disassembly of the receiving plate 22; the air inlets 26 provided on the lower side of the plate outlet 25 and the two sides and the rear surface of the box body 1 increase the air flow in the box body 1 through multi-directional air inlet design, which helps to meet the air evolution demand of the equipment interior more quickly, ensuring the stability of the equipment operating environment.
[0027] As shown in Figure 3As shown, the upper surface of the inside of the box body 1 is fixedly installed with an air pressure sensing element 27.
[0028] As shown, the upper surface of the inside of the box body 1 is fixedly installed with an air pressure sensing element 27. Figure 1 Figure 3 As shown, the upper surface of the inside of the box body 1 is fixedly installed with an air pressure sensing element 27.
[0029] As shown, the upper surface of the inside of the box body 1 is fixedly installed with an air pressure sensing element 27. Figure 1 Figure 2 As shown, the upper surface of the inside of the box body 1 is fixedly installed with an air pressure sensing element 27.
[0030] As shown, the upper surface of the inside of the box body 1 is fixedly installed with an air pressure sensing element 27. Figure 1 Figure 2 Figure 3 As shown, the bottom of the box body 1 is fixedly installed with a plurality of steering wheels 30.
[0031] The air pressure sensing element 27 fixed on the upper surface of the inside of the box body 1 can monitor the air pressure change in the box body 1 in real time, provide air pressure data reference for equipment operation, and ensure that the equipment works in a suitable air pressure environment; the display screen 28 embedded on the upper surface can visually display the air pressure data monitored by the air pressure sensing element 27 and equipment operation parameters, working state and other information, so as to facilitate the operator to master the equipment situation in real time and improve the operation convenience; the buzzer 29 on the right of the upper surface can be used as a warning device, which will issue a sound alarm to remind the operator to handle in time when the air pressure sensing element 27 detects abnormal air pressure or the equipment has other faults; and the plurality of steering wheels 30 fixed at the bottom significantly improve the moving flexibility of the equipment, which is convenient for adjusting the position of the box body 1 according to the use demand, and is especially suitable for scenes that need to frequently change working places.
[0032] The above-described embodiments only express several embodiments of the present application, and the description is relatively specific and detailed, but it cannot be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, some modifications and improvements can be made, which are within the scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.
Claims
1. A protective negative pressure device for a mobile vehicle, comprising a box (1), characterized in that: The inside of the box (1) is fixedly installed with a support plate (2), the upper surface of the support plate (2) is fixedly installed with a two-way fan (3), the bottom end of the output end of the two-way fan (3) is fixedly installed with an air inlet cylinder (4) penetrating to the lower side of the support plate (2), the input end of the two-way fan (3) is integrally formed with an air outlet cylinder (5) between the left side of the box (1), the upper surface of the support plate (2) and located at the right side of the two-way fan (3) is fixedly installed with a motor (6), the bottom end of the output end of the motor (6) penetrates to the lower side of the support plate (2) and is fixedly connected with a gear one (7), the upper surface of the support plate (2) and located at the left side of the motor (6) is fixedly installed with an air pump (8), the bottom end of the output end of the air pump (8) penetrates to the lower side of the support plate (2) and is fixedly installed with a hose (9), the bottom end of the hose (9) is fixedly connected with a mutual pipe (10), both ends of the mutual pipe (10) are fixedly installed with a blowing port (11), the upper surfaces of the two blowing ports (11) are fixedly installed with sliding blocks (12), the inner side walls of the two sliding blocks (12) are threadedly connected with a two-way threaded rod (13), the left end of the two-way threaded rod (13) is rotatably connected with the inside left side of the box (1) through a rotating shaft, the right side of the two-way threaded rod (13) is fixedly connected with a gear two (14), the outer side wall of the gear two (14) is meshedly connected with the outer side wall of the gear one (7), the inside of the box (1) and located below the blowing port (11) is slidably installed with a high efficiency filter plate (15), the inside of the box (1) and located below the high efficiency filter plate (15) is fixedly installed with an ultraviolet lamp (16), the inside of the box (1) and located below the ultraviolet lamp (16) is slidably connected with a pre-filter plate (17).
2. The negative pressure protection device for a moving vehicle according to claim 1, characterized in that: The inside rear surface of the box (1) and located below the pre-filter plate (17) is fixedly installed with a fixed plate (18), the rear surface of the box (1) and located above the fixed plate (18) is fixedly installed with an electric telescopic rod one (19), the front end of the output end of the electric telescopic rod one (19) penetrates to the inside of the box (1) and is fixedly installed with a concave push block (20), the lower surface of the concave push block (20) is attached to the upper surface of the fixed plate (18), the rear surface of the box (1) and located below the fixed plate (18) is fixedly installed with an electric telescopic rod two (21), the front end of the output end of the electric telescopic rod two (21) penetrates to the inside of the box (1) and is fixedly installed with a receiving plate (22), the rear surface of the receiving plate (22) and located on both sides of the electric telescopic rod two (21) is fixedly installed with a guide rod (23), the rear end of the guide rod (23) penetrates to the rear of the box (1) and is slidably connected with the box (1).
3. The negative pressure protection device for a moving vehicle according to claim 2, characterized in that: The front surface of the box body (1) is detachably connected with a box cover (24) through bolts, the front surface of the box cover (24) is provided with a plate outlet (25), the receiving plate (22) is clamped on the inner side of the plate outlet (25), and the lower side of the plate outlet (25) and the two sides and the rear surface of the box body (1) are provided with air inlets (26).
4. The negative pressure protection device for a moving vehicle according to claim 1, characterized in that: The inside upper surface of the box body (1) is fixedly installed with an air pressure sensing element (27).
5. The negative pressure protection device for a moving vehicle according to claim 1, characterized in that: The upper surface of the box body (1) is embedded with a display screen (28).
6. The negative pressure protection device for a moving vehicle according to claim 1, wherein: The upper surface right side of the box body (1) is fixedly installed with a buzzer (29).
7. The negative pressure protection device for a moving vehicle according to claim 1, wherein: The bottom of the box body (1) is fixedly installed with a plurality of steering wheels (30).