Ventilation system for epidemic disease treatment combined hospital inpatient area

Abstract

The utility model relates to the technical field of ventilation systems, in particular to a ventilation system for an epidemic prevention combined hospital inpatient area, which comprises a ventilation box, a convection inner cavity is arranged in the ventilation box, and a valve exchange device is hermetically mounted in the convection inner cavity. The valve changing device comprises a guide pipe inner box, a Z-shaped glass tube, a disinfection inner cavity, an ultraviolet lamp set, a trapezoid base, an inner circulation air hole, a butterfly valve door plate, a valve rod and a control valve machine, the disinfection inner cavity is formed in the guide pipe inner box, the Z-shaped glass tube is arranged in the middle of the interior of the disinfection inner cavity, and the Z-shaped glass tube is communicated with the left conical cavity and the right conical cavity of the convection inner cavity. When in use, the butterfly valve door plate is in the opening and closing state of the Z-shaped glass tube and is matched with the internal circulation air hole to adjust the use mode of air inlet and outlet, change the air inlet and outlet amount, increase the flexibility of the device, save the use cost of building an inpatient ward room and increase the practicability of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation systems, in particular to a ventilation system for a ward in a hospital combining peacetime and epidemic situations. Background Art

[0002] The ventilation system is a facility used to improve indoor air quality, which is specifically manifested in removing indoor odors and harmful gases, improving indoor comfort, and protecting people's health. Different types of ventilation systems are also different in design, construction, and operation. The hospital area often adopts a one-way external exhaust structure. This result is mainly for the exhaust of waste air in the ward, so it needs to be separated from the air supply system and the air intake system. Since the use of the air supply system and the external exhaust system is opposite, it is necessary to build a complete set of ward ventilation systems that need to operate simultaneously, and in actual use, it is impossible to make variable demands on the shortage of air intake and outlet, and the practicality is poor. Therefore, the technicians in this field provide a ventilation system for hospital wards combined with peace and epidemic to solve the problems raised in the above background technology. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a ventilation system for hospital wards combined with peacetime and epidemic prevention, including a ventilation box, a convection inner cavity is opened in the ventilation box, a valve changing device is sealed and installed in the convection inner cavity, the valve changing device includes a duct inner box, a Z-shaped glass tube, a disinfection inner cavity, an ultraviolet lamp group, a trapezoidal seat, an internal circulation air hole, a butterfly valve plate, a valve stem and a control valve machine, the duct inner box has a disinfection inner cavity, a Z-shaped glass tube is arranged in the middle of the disinfection inner cavity, the Z-shaped glass tube is connected with the left and right conical chambers of the convection inner cavity, a trapezoidal seat is fixedly installed on the upper part of the inner tube wall at the right end of the Z-shaped glass tube, a plurality of internal circulation air holes are opened on the trapezoidal seat, the internal circulation air holes are connected with the reflux air holes, a butterfly valve plate is arranged on the right side of the trapezoidal seat, a valve stem is fixedly connected to the upper end of the butterfly valve plate, and the valve stem passes through the ventilation box to install the control valve machine.

[0004] Preferably, a fixing frame plate is fixedly installed in the middle part of the outer side of the ventilation box, and the fixing frame plate can fix the ventilation box in the installation wall by fastening bolts.

[0005] Preferably: the left end of the ventilation box is connected to an exhaust group, and the exhaust group is connected in series with an external exhaust fan through an exhaust duct to communicate with the left cavity of the convection cavity.

[0006] Preferably: the right end of the ventilation box is connected to an air intake group, and the air intake group is connected in series with the right cavity of the convection cavity through an air intake duct and an air intake fan.

[0007] Preferably, a plurality of return air holes are provided in the middle of the upper end of the ventilation box.

[0008] Preferably, an ultraviolet lamp group is fixedly installed symmetrically in the front and back of the disinfection inner cavity, and the ultraviolet lamp group performs high-frequency band disinfection and sterilization on the gas in the tube through the Z-shaped glass tube.

[0009] Technical effects and advantages of the utility model:

[0010] When the utility model is used, the butterfly valve plate is in the open and closed state of the Z-shaped glass tube, and cooperates with the internal circulation air hole to adjust the use mode of the inlet and outlet air, change the air intake and outlet volume, increase the flexibility of the device, save the cost of building the ward room, and increase the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure provided by this application;

[0012] Figure 2 It is a schematic diagram of the structure of the conical inner cavity provided by the present application;

[0013] Figure 3 It is a structural schematic diagram of the valve changing device provided in the present application;

[0014] In the figure: 1, ventilation box; 2, valve changing device; 3, fixed frame plate; 4, exhaust group; 5, intake group; 6, return air hole; 7, convection cavity;

[0015] 21. Inner box of catheter; 22. Z-shaped glass tube; 23. Disinfection inner cavity; 24. Ultraviolet lamp group; 25. Trapezoidal seat; 26. Inner circulation air hole; 27. Butterfly valve plate; 28. Valve stem; 29. ​​Control valve machine;

[0016] 41. Exhaust duct; 42. External exhaust fan;

[0017] 51. Air intake duct; 52. Air intake fan. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific purposes.

[0019] See also Figures 1 to 3In the present embodiment, a ventilation system for a hospital ward combining peacetime and epidemic prevention is provided, including a ventilation box 1, a convection inner cavity 7 is provided in the ventilation box 1, a valve changing device 2 is sealed and installed in the convection inner cavity 7, a fixing frame plate 3 is fixedly installed in the middle of the outer side of the ventilation box 1, and the fixing frame plate 3 can fix the ventilation box 1 in the installation wall by fastening bolts, an exhaust group 4 is connected to the left end of the ventilation box 1, and the exhaust group 4 adopts an exhaust duct 41 and an external exhaust fan 42 in series to communicate with the left cavity of the convection inner cavity 7, an air intake group 5 is connected to the right end of the ventilation box 1, and the air intake group 5 adopts an air intake duct 51 and an air intake fan 52 in series to communicate with the right cavity of the convection inner cavity 7, and a plurality of return air holes 6 are provided in the middle of the upper end of the ventilation box 1;

[0020] The valve changing device 2 comprises a conduit inner box 21, a Z-shaped glass tube 22, a disinfection inner cavity 23, an ultraviolet lamp group 24, a trapezoidal seat 25, an inner circulation air hole 26, a butterfly valve plate 27, a valve stem 28 and a control valve machine 29. The conduit inner box 21 is provided with a disinfection inner cavity 23, a Z-shaped glass tube 22 is arranged in the middle of the disinfection inner cavity 23, the Z-shaped glass tube 22 will be connected with the left and right conical chambers of the convection inner cavity 7, and an ultraviolet lamp group 24 is fixedly installed symmetrically in the disinfection inner cavity 23, and the ultraviolet lamp group 24 will conduct high-frequency heating to the gas in the tube through the Z-shaped glass tube 22 Band disinfection and sterilization, a trapezoidal seat 25 is fixedly installed on the upper part of the inner tube wall at the right end of the Z-shaped glass tube 22, and a plurality of internal circulation air holes 26 are opened on the trapezoidal seat 25. The internal circulation air holes 26 are connected with the reflux air holes 6. A butterfly valve plate 27 is arranged on the right side of the trapezoidal seat 25, and a valve stem 28 is fixedly connected to the upper end of the butterfly valve plate 27. The valve stem 28 passes through the ventilation box 1 to install a control valve machine 29. The valve stem 28 is rotated by the control valve machine 29, so that the butterfly valve plate 27 controls the opening and closing of the Z-shaped glass tube 22 to form an external exhaust system / internal circulation system, thereby increasing the practicality of the ventilation system.

[0021] The working principle of the utility model is:

[0022] When the utility model is used, the valve stem 28 can be rotated by the control valve machine 29, so that the butterfly valve plate 27 controls the Z-shaped glass tube 22 to open, and the butterfly valve plate 27 blocks the internal circulation air hole 26, and the external exhaust fan 42 is opened, so that the indoor gas of the ward passes through the exhaust pipe 41, and is transmitted to the Z-shaped glass tube 22 by the convection inner cavity 7, and the ultraviolet lamp group 24 is turned on to sterilize and disinfect the external exhaust gas to prevent subsequent air intake and gas collection from being contaminated, and finally discharged from the air intake pipe 51; secondly, the valve stem 28 can be rotated by the control valve machine 29, so that the butterfly valve plate 27 controls the Z-shaped glass tube 22 to open, and the butterfly valve plate 27 blocks the internal circulation air hole 26, and the air intake fan 52 is opened, so that the outdoor air passes through the air intake pipe 5 .... The external exhaust gas is sterilized and disinfected to prevent contamination of the incoming air, and then the air is taken into the ward room through the exhaust pipe 41; the valve stem 28 can be rotated by the control valve machine 29, so that the butterfly valve plate 27 controls the Z-shaped glass tube 22 to be closed, and the butterfly valve plate 27 opens the internal circulation air hole 26, and turns on the external exhaust fan 42, so that the indoor gas of the ward passes through the exhaust pipe 41 and is transferred to the Z-shaped glass tube 22 by the convection inner cavity 7, and the ultraviolet lamp group 24 is turned on to sterilize and disinfect the external exhaust gas, and then the indoor air is circulated through the internal circulation air hole 26 and the return air hole 6. The above three operating structure modes provide a good practical foundation for this ventilation system. According to the environmental requirements of the hospital area, the usage mode is changed, the air intake and outlet volume are changed, the flexibility of the device is increased, and the cost of building the ward room is saved.

[0023] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A ventilation system for a hospital ward in both peacetime and epidemic situations, comprising a ventilation box (1), characterized in that: The ventilation box (1) is provided with a convection inner cavity (7), and a valve changing device (2) is installed in a sealed manner in the convection inner cavity (7). The valve changing device (2) comprises a conduit inner box (21), a Z-shaped glass tube (22), a disinfection inner cavity (23), an ultraviolet lamp group (24), a trapezoidal seat (25), an inner circulation air hole (26), a butterfly valve plate (27), a valve stem (28) and a control valve machine (29). The conduit inner box (21) is provided with a disinfection inner cavity (23), and the middle part of the disinfection inner cavity (23) is A Z-shaped glass tube (22) is provided, and the Z-shaped glass tube (22) is communicated with the left and right conical chambers of the convection inner cavity (7). A trapezoidal seat (25) is fixedly installed on the upper part of the inner tube wall of the right tube end of the Z-shaped glass tube (22), and a plurality of inner circulation air holes (26) are opened on the trapezoidal seat (25). A butterfly valve plate (27) is provided on the right side of the trapezoidal seat (25), and a valve stem (28) is fixedly connected to the upper end of the butterfly valve plate (27). The valve stem (28) passes through the ventilation box (1) to install a control valve machine (29).

2. The ventilation system for hospital wards in combination with peacetime and epidemic prevention according to claim 1 is characterized in that: A fixing frame plate (3) is fixedly mounted on the middle part of the outer side of the ventilation box (1), and the fixing frame plate (3) can fix the ventilation box (1) in the installation wall by fastening bolts.

3. The ventilation system for hospital wards in combination with peacetime and epidemic prevention according to claim 2 is characterized in that: The left end of the ventilation box (1) is connected to an exhaust group (4), and the exhaust group (4) is connected in series with an external exhaust fan (42) through an exhaust duct (41) to communicate with the left chamber of the convection inner chamber (7).

4. The ventilation system for hospital wards in combination with peacetime and epidemic prevention according to claim 3 is characterized in that: The right end of the ventilation box (1) is connected to an air intake group (5), and the air intake group (5) is connected in series with the right cavity of the convection inner cavity (7) through an air intake duct (51) and an air intake fan (52).

5. The ventilation system for hospital wards in combination with peacetime and epidemic prevention according to claim 1 is characterized in that: A plurality of return air holes (6) are provided in the middle of the upper end of the ventilation box (1), and the internal circulation air holes (26) are connected to the return air holes (6).

6. The ventilation system for hospital wards in combination with peacetime and epidemic prevention according to claim 1 is characterized in that: An ultraviolet lamp group (24) is fixedly installed in the disinfection inner cavity (23) symmetrically in front and back, and the ultraviolet lamp group (24) performs high-frequency band disinfection and sterilization on the gas in the tube through the Z-shaped glass tube (22).

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