Air exhaust device for respiratory tract negative pressure ward

The modular design of the negative pressure main system and the multi-stage air handling unit solves the problems of low efficiency and inconvenient maintenance of the exhaust system in the respiratory negative pressure ward, achieving efficient air handling and convenient installation.

CN222317196UActive Publication Date: 2025-01-07CHINA NORTHWEST ARCHITECTURE DESIGN & RES INST CO LTD
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Patent Information

Application Number
CN202323205790.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-11-27
Publication Date
2025-01-07
Estimated Expiration
2033-11-27

AI Technical Summary

Technical Problem

The existing ventilation systems in negative pressure wards are inefficient and inconvenient to maintain.

Method used

The modularly designed negative pressure main system, combined with the air handling units of the high-temperature sterilization chamber, ultraviolet sterilization chamber, and ionization sterilization chamber, achieves centralized negative pressure control and air handling.

Benefits of technology

It improves the air handling efficiency of negative pressure wards, reduces installation and usage costs, and facilitates layout and adjustment.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides an exhaust device of a respiratory tract negative pressure ward, which comprises a negative pressure main pipe, the negative pressure main pipe is arranged on the roof of the respiratory tract negative pressure ward, a plurality of negative pressure air exhaust branch pipes are arranged on the negative pressure main pipe, and the negative pressure air exhaust branch pipes are vertically arranged on the outer side of each unit respiratory tract negative pressure ward. A plurality of negative pressure suction ports are formed in the negative pressure suction branch pipe, the negative pressure suction ports are formed in the respiratory tract negative pressure ward, negative pressure control ends are arranged on the negative pressure suction ports, a fan volute is arranged on an air outlet of the negative pressure main pipe, an air treatment device is arranged on an air outlet of the fan volute, and a negative pressure fan is arranged in the fan volute. According to the utility model, the negative pressure control and the air treatment of the respiratory tract negative pressure ward can be realized in a centralized manner, the arrangement and the adjustment can be very conveniently realized by adopting the modular design, and the installation and use costs are reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of ventilation equipment, in particular to an exhaust device for a respiratory negative pressure ward. Background Art

[0002] Negative pressure wards refer to wards with special devices, where the air pressure inside is lower than the air pressure outside. In this way, in terms of air circulation, only fresh air from outside can flow into the ward, and the air contaminated by the patient in the ward will not leak out, but will be discharged to a fixed place in time through a special channel. In this way, the area outside the ward will not be contaminated, thus reducing the chance of medical staff being infected in large numbers. This type of ward is most suitable for rescuing patients with respiratory infectious diseases such as SARS.

[0003] However, most of the current exhaust devices in negative pressure respiratory wards use ordinary air ducts and fans to extract low pressure, which results in low equipment efficiency and inconvenient maintenance. Utility Model Content

[0004] The technical problem solved by the utility model is to provide an exhaust device for a respiratory negative pressure ward to solve the problems raised in the above-mentioned background technology.

[0005] The technical problem solved by the utility model is achieved by adopting the following technical scheme: an exhaust device for a respiratory negative pressure ward, comprising: a negative pressure main pipe, the negative pressure main pipe is arranged on the roof of the respiratory negative pressure ward, the negative pressure main pipe is provided with a plurality of negative pressure exhaust branch pipes, the negative pressure exhaust branch pipes are vertically arranged on the outside of each unit respiratory negative pressure ward, the negative pressure exhaust branch pipes are provided with a plurality of negative pressure exhaust ports, the negative pressure exhaust ports are arranged in the respiratory negative pressure ward, the negative pressure exhaust ports are provided with a negative pressure control terminal, a fan volute is provided on the air outlet of the negative pressure main pipe, an air treatment device is provided on the exhaust port of the fan volute, a negative pressure fan is provided in the fan volute, the air treatment device comprises a high-temperature sterilization box, an ultraviolet sterilization box is provided on the exhaust port of the high-temperature sterilization box, an ionization sterilization box is provided on the exhaust port of the ultraviolet sterilization box, and an air filter box is provided on the exhaust port of the ionization sterilization box.

[0006] Furthermore, the negative pressure main pipe comprises a main delivery pipe, a plurality of branch pipe connection seats are arranged on both sides of the main delivery pipe, and the negative pressure exhaust branch pipe is connected to the branch pipe connection seats through a connecting elbow.

[0007] Furthermore, the negative pressure control terminal includes a terminal mounting seat, one end of which is provided with an air volume control plate, the air volume control plate is mounted on the control plate mounting seat through a rotating support shaft, and the control plate mounting seat is mounted on the terminal mounting seat.

[0008] Furthermore, an auxiliary fan is provided in the end mounting seat, and the auxiliary fan includes fan blades. The fan blades are mounted on the output end of the blade drive motor, and the housing of the blade drive motor is mounted on the end mounting seat through a motor support frame.

[0009] Furthermore, the fan volute includes a volute body, an air inlet of the volute body is connected to the negative pressure main pipe through a delivery elbow, a fan installation cavity is provided in the volute body, and the lower end of the volute body is installed on a volute mounting seat.

[0010] Furthermore, the negative pressure fan includes a negative pressure fan wheel, which is installed in a fan volute, and the negative pressure fan wheel is installed on the output end of a wheel drive device, and the wheel drive device is installed on a fan mounting frame, and the fan mounting frame is installed on the roof through a quick-release base for maintenance.

[0011] Furthermore, the wheel driving device includes a wheel driving shaft, one end of the wheel driving shaft is connected to the output end of the wheel driving motor through a transmission chain, the housing of the wheel driving motor is installed on the fan mounting frame, and the wheel driving shaft is installed on the fan mounting frame through a drive shaft mounting bearing seat.

[0012] Furthermore, the maintenance quick-release base includes a sliding support rail, a sliding support slider is provided on the sliding support rail, the sliding support rail is fixedly installed on the roof, and the sliding support slider is fixedly installed on the fan mounting frame.

[0013] Compared with the prior art, the beneficial effects of the present invention are: the present invention can centrally realize negative pressure control of the respiratory negative pressure ward and perform air treatment, and the modular design can be very convenient for layout and adjustment, thereby reducing installation and use costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model.

[0015] Figure 2 It is a schematic diagram of the structure of the negative pressure main pipe of the utility model.

[0016] Figure 3 It is a schematic diagram of the structure of the negative pressure control terminal of the utility model.

[0017] Figure 4 This is a schematic diagram of the fan volute structure of the utility model.

[0018] Figure 5 This is a schematic diagram of the structure of the negative pressure fan of the present utility model. DETAILED DESCRIPTION

[0019] In order to make the technical means for realizing the utility model, creative features, objectives and effects easy to understand, the utility model is further explained below in conjunction with specific diagrams. In the description of the utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection, or an integral connection can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two components.

[0020] Example 1

[0021] like Figures 1 to 5 As shown, an exhaust device for a respiratory negative pressure ward comprises: a negative pressure main pipe 1, the negative pressure main pipe 1 is arranged on the roof of the respiratory negative pressure ward, the negative pressure main pipe 1 is provided with a plurality of negative pressure exhaust branch pipes 2, the negative pressure exhaust branch pipes 2 are vertically arranged on the outside of each unit respiratory negative pressure ward, the negative pressure exhaust branch pipe 2 is provided with a plurality of negative pressure exhaust ports 3, the negative pressure exhaust ports 3 are arranged in the respiratory negative pressure ward, the negative pressure exhaust ports 3 are provided with a negative pressure control terminal 4, a fan volute 5 is provided on the air outlet of the negative pressure main pipe 1, an air treatment device 6 is provided on the exhaust port of the fan volute 5, a negative pressure fan 7 is provided in the fan volute 5, the air treatment device 6 comprises a high temperature sterilization box 61, an ultraviolet sterilization box 62 is provided on the exhaust port of the high temperature sterilization box 61, an ionization sterilization box 63 is provided on the exhaust port of the ultraviolet sterilization box 62, and an air filter box 64 is provided on the exhaust port of the ionization sterilization box 63.

[0022] Example 2

[0023] like Figures 1 to 5 As shown, an exhaust device for a respiratory negative pressure ward comprises: a negative pressure main pipe 1, the negative pressure main pipe 1 is arranged on the roof of the respiratory negative pressure ward, the negative pressure main pipe 1 is provided with a plurality of negative pressure exhaust branch pipes 2, the negative pressure exhaust branch pipes 2 are vertically arranged on the outside of each unit respiratory negative pressure ward, the negative pressure exhaust branch pipe 2 is provided with a plurality of negative pressure exhaust ports 3, the negative pressure exhaust ports 3 are arranged in the respiratory negative pressure ward, the negative pressure exhaust ports 3 are provided with a negative pressure control terminal 4, the air outlet of the negative pressure main pipe 1 is provided with a fan volute 5, the exhaust port of the fan volute 5 is provided with an air handling device 6, a negative pressure fan 7 is provided in the fan volute 5, the negative pressure main pipe 1 comprises a main conveying pipeline 11, a plurality of branch pipe connecting seats 12 are provided on both sides of the main conveying pipeline 11, and the negative pressure exhaust branch pipe 2 is connected to the branch pipe connecting seat 12 through a connecting elbow 13.

[0024] Example 3

[0025] like Figures 1 to 5As shown, an exhaust device for a respiratory negative pressure ward comprises: a negative pressure main pipe 1, the negative pressure main pipe 1 is arranged on the roof of the respiratory negative pressure ward, the negative pressure main pipe 1 is provided with a plurality of negative pressure exhaust branch pipes 2, the negative pressure exhaust branch pipes 2 are vertically arranged on the outside of each unit respiratory negative pressure ward, the negative pressure exhaust branch pipe 2 is provided with a plurality of negative pressure exhaust ports 3, the negative pressure exhaust ports 3 are arranged in the respiratory negative pressure ward, the negative pressure exhaust ports 3 are provided with a negative pressure control terminal 4, the air outlet of the negative pressure main pipe 1 is provided with a fan volute 5, the exhaust port of the fan volute 5 is provided with an air handling device 6, a negative pressure fan 7 is provided in the fan volute 5, the negative pressure control terminal 4 comprises a terminal mounting seat 41, one end of the terminal mounting seat 41 is provided with an air volume control panel 43, the air volume control panel 43 is mounted on a control panel mounting seat 42 through a rotating support shaft, and the control panel mounting seat 42 is mounted on the terminal mounting seat 41. An auxiliary fan is disposed in the end mounting seat 41 , and the auxiliary fan includes fan blades 44 . The fan blades 44 are mounted on the output end of a blade drive motor 45 , and a housing of the blade drive motor 45 is mounted on the end mounting seat 41 via a motor support frame 46 .

[0026] Example 4

[0027] like Figures 1 to 5 As shown, an exhaust device for a respiratory negative pressure ward comprises: a negative pressure main pipe 1, which is arranged on the roof of the respiratory negative pressure ward, and a plurality of negative pressure exhaust branch pipes 2 are arranged on the negative pressure main pipe 1, and the negative pressure exhaust branch pipes 2 are vertically arranged on the outside of each unit respiratory negative pressure ward, and a plurality of negative pressure exhaust ports 3 are arranged on the negative pressure exhaust branch pipe 2, and the negative pressure exhaust ports 3 are arranged in the respiratory negative pressure ward, and a negative pressure control terminal 4 is provided on the negative pressure exhaust port 3, and a fan volute 5 is provided on the air outlet of the negative pressure main pipe 1, and an air treatment device 6 is provided on the exhaust port of the fan volute 5, and a negative pressure fan 7 is provided in the fan volute 5, and the fan volute 5 comprises a volute body 51, and the air inlet of the volute body 51 is connected to the negative pressure main pipe 1 through a delivery elbow 53, and a fan installation cavity is provided in the volute body 51, and the lower end of the volute body 51 is installed on the volute installation seat 52.

[0028] Example 5

[0029] like Figures 1 to 5As shown, an exhaust device for a respiratory negative pressure ward comprises: a negative pressure main pipe 1, the negative pressure main pipe 1 is arranged on the roof of the respiratory negative pressure ward, the negative pressure main pipe 1 is provided with a plurality of negative pressure exhaust branch pipes 2, the negative pressure exhaust branch pipes 2 are vertically arranged outside each unit respiratory negative pressure ward, the negative pressure exhaust branch pipe 2 is provided with a plurality of negative pressure exhaust ports 3, the negative pressure exhaust ports 3 are arranged in the respiratory negative pressure ward, the negative pressure exhaust ports 3 are provided with a negative pressure control terminal 4, the negative pressure main pipe 1 A fan volute 5 is provided on the air outlet, an air handling device 6 is provided on the air outlet of the fan volute 5, a negative pressure fan 7 is provided in the fan volute 5, the negative pressure fan 7 includes a negative pressure fan impeller 71, the negative pressure fan impeller 71 is installed in the fan volute 5, the negative pressure fan impeller 71 is installed on the output end of the impeller driving device, the impeller driving device is installed on the fan mounting frame 74, and the fan mounting frame 74 is installed on the roof through the maintenance quick-release base. The impeller driving device includes a impeller driving shaft 72, one end of the impeller driving shaft 72 is connected to the output end of the impeller driving motor 76 through a transmission chain 75, the housing of the impeller driving motor 76 is installed on the fan mounting frame 74, and the impeller driving shaft 72 is installed on the fan mounting frame 74 through a driving shaft mounting bearing seat 73. The maintenance quick-release base includes a sliding support rail 77 , on which a sliding support slider 78 is provided. The sliding support rail 77 is fixedly mounted on the roof, and the sliding support slider 78 is fixedly mounted on the fan mounting frame 74 .

[0030] The negative pressure main pipe 1 of the utility model is arranged on the roof of the respiratory negative pressure ward, and a plurality of negative pressure exhaust branch pipes 2 are arranged on the negative pressure main pipe 1, and the negative pressure exhaust branch pipes 2 are vertically arranged on the outside of each unit respiratory negative pressure ward, and a plurality of negative pressure exhaust ports 3 are arranged on the negative pressure exhaust branch pipe 2, and the negative pressure exhaust ports 3 are arranged in the respiratory negative pressure ward, and a negative pressure control terminal 4 is arranged on the negative pressure exhaust port 3, and a fan volute 5 is arranged on the air outlet of the negative pressure main pipe 1, and an air treatment device 6 is arranged on the exhaust port of the fan volute 5, and a negative pressure fan 7 is arranged in the fan volute 5, so that the negative pressure control of the respiratory negative pressure ward can be centralized and air treatment can be performed, and the modular design can be very convenient to realize layout and adjustment, and reduce installation and use costs.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An exhaust device for a respiratory negative pressure ward, comprising: A negative pressure main pipe (1), the negative pressure main pipe (1) is arranged on the roof of a respiratory negative pressure ward, characterized in that: the negative pressure main pipe (1) is provided with a plurality of negative pressure exhaust branch pipes (2), the negative pressure exhaust branch pipes (2) are vertically arranged outside each unit respiratory negative pressure ward, the negative pressure exhaust branch pipes (2) are provided with a plurality of negative pressure exhaust ports (3), the negative pressure exhaust ports (3) are arranged in the respiratory negative pressure ward, the negative pressure exhaust ports (3) are provided with a negative pressure control terminal (4), the air outlet of the negative pressure main pipe (1) A fan volute (5) is provided on the fan volute (5), an air treatment device (6) is provided on the exhaust port of the fan volute (5), a negative pressure fan (7) is provided inside the fan volute (5), the air treatment device (6) comprises a high-temperature sterilization box (61), an ultraviolet sterilization box (62) is provided on the exhaust port of the high-temperature sterilization box (61), an ionization sterilization box (63) is provided on the exhaust port of the ultraviolet sterilization box (62), and an air filter box (64) is provided on the exhaust port of the ionization sterilization box (63).

2. The exhaust device for a negative pressure respiratory ward according to claim 1, characterized in that: The negative pressure main pipe (1) comprises a main delivery pipe (11), a plurality of branch pipe connection seats (12) are provided on both sides of the main delivery pipe (11), and the negative pressure exhaust branch pipe (2) is connected to the branch pipe connection seats (12) via a connecting elbow (13).

3. The exhaust device for a negative pressure respiratory ward according to claim 1, characterized in that: The negative pressure control terminal (4) comprises a terminal mounting seat (41), one end of which is provided with an air volume control plate (43), the air volume control plate (43) being mounted on a control plate mounting seat (42) via a rotating support shaft, and the control plate mounting seat (42) being mounted on the terminal mounting seat (41).

4. The exhaust device for a negative pressure respiratory ward according to claim 3, characterized in that: An auxiliary fan is arranged in the end mounting seat (41), and the auxiliary fan comprises fan blades (44). The fan blades (44) are mounted on the output end of a blade drive motor (45), and the housing of the blade drive motor (45) is mounted on the end mounting seat (41) via a motor support frame (46).

5. The exhaust device for a negative pressure respiratory ward according to claim 1, characterized in that: The fan volute (5) comprises a volute body (51), the air inlet of the volute body (51) is connected to the negative pressure main pipe (1) via a delivery elbow (53), a fan installation cavity is provided in the volute body (51), and the lower end of the volute body (51) is installed on a volute installation seat (52).

6. The exhaust device for a negative pressure respiratory ward according to claim 1, characterized in that: The negative pressure fan (7) comprises a negative pressure fan impeller (71), the negative pressure fan impeller (71) being mounted in a fan volute (5), the negative pressure fan impeller (71) being mounted on an output end of a impeller driving device, the impeller driving device being mounted on a fan mounting frame (74), and the fan mounting frame (74) being mounted on a roof via a maintenance quick-release base.

7. The exhaust device for a negative pressure respiratory ward according to claim 6, characterized in that: The rotary wheel driving device comprises a rotary wheel driving shaft (72), one end of the rotary wheel driving shaft (72) is connected to the output end of a rotary wheel driving motor (76) through a transmission chain (75), a housing of the rotary wheel driving motor (76) is mounted on a fan mounting frame (74), and the rotary wheel driving shaft (72) is mounted on the fan mounting frame (74) through a driving shaft mounting bearing seat (73).

8. The exhaust device for a negative pressure respiratory ward according to claim 6, characterized in that: The maintenance quick-release base comprises a sliding support rail (77), a sliding support slider (78) is provided on the sliding support rail (77), the sliding support rail (77) is fixedly mounted on the roof, and the sliding support slider (78) is fixedly mounted on the fan mounting frame (74).