Air supply system capable of being automatically adjusted

Abstract

The utility model relates to the technical field of fresh air systems, in particular to an air supply system capable of being automatically adjusted. According to the technical scheme, the clean room comprises a clean room body and further comprises a filtering system which is installed on the clean room body and used for filtering air conveyed into the clean room body. According to the utility model, the frequency conversion fan, the filter system, the monitoring control mechanism, the air pressure regulating valve and other structures are matched, so that the pressure of the clean room can be automatically regulated, the uniform air flow is ensured, the conditions of dead angles or non-uniform air flow are avoided, and more effective air exchange and filtration are facilitated. And meanwhile, the air pressure can be adjusted according to actual requirements, and energy waste caused by over-high air pressure setting is avoided. Environmental fluctuation caused by manual adjustment can be reduced, man-made interference is avoided, and the working comfort of workers is improved. And finally, it is ensured that air is always in a good state, and discomfort or health problems caused by poor air quality of staff can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of fresh air systems, in particular to an automatically adjustable air supply system. Background Art

[0002] At present, there are several operation rooms and rest rooms in the slag treatment process, raw and auxiliary material preparation process, and lead primary smelting and electrolysis process of the lead plant, all of which are located in the production area. The indoor air quality is poor, which is not conducive to the occupational health of operators, and the risk of occupational diseases is relatively high. In particular, the workshops for raw and auxiliary material preparation and lead electrolysis were built and put into use in the early years, and the original ventilation system has almost failed, with poor ventilation effect. Moreover, sand storage, electrolysis, primary smelting cauldrons, etc. are all places with large amounts of dust, high concentrations of harmful gases, acid mists, etc., and are densely populated. It is difficult to ensure the occupational health of employees with the existing air quality in operation rooms and rest rooms.

[0003] Therefore, the utility model designs an automatically adjustable air supply system to supply clean air to operation rooms and rest rooms in each area, improve the air quality of each operation room and rest room, ensure the occupational health of employees, and reduce the incidence of occupational diseases. Content of the Utility Model

[0004] The purpose of the utility model is to address the problems that the workshops for raw and auxiliary material preparation and lead electrolysis were built and put into use in the early years, the original ventilation system has almost failed, the ventilation effect is poor, and sand storage, electrolysis, primary smelting cauldrons, etc. are all places with large amounts of dust, high concentrations of harmful gases, acid mists, etc., and are densely populated. It is difficult to ensure the occupational health of employees with the existing air quality in operation rooms and rest rooms, and to propose an automatically adjustable air supply system.

[0005] The technical solution of the utility model: An automatically adjustable air supply system includes a clean room, and further includes: a filtration system installed on the clean room to filter the air flowing into the clean room, a variable-frequency fan for delivering the filtered air into the clean room, a monitoring hole opened on the clean room, a monitoring and control mechanism fixedly connected inside the monitoring hole for real-time monitoring of the air pressure inside the clean room, a air supply pipe connected to the variable-frequency fan, one end of the air supply pipe away from the variable-frequency fan is fixedly connected with a air pressure regulating valve, and an air inlet hole fixedly connected with the air pressure regulating valve is opened on the upper surface of the clean room; an exhaust hole opened on the clean room for exhausting the waste gas inside the clean room, a filtration mechanism provided on the clean room for purifying the waste gas discharged from the exhaust hole, the filtration mechanism is connected with the monitoring and control mechanism; a ladder mechanism provided on one side wall of the clean room for staff to go up and down the clean room.

[0006] Optionally, the filtering mechanism includes a connecting top cover connected to the clean room. The bottom end of the connecting top cover is fixedly connected to the exhaust hole. An air delivery pipe is fixedly connected to the outer wall of the exhaust hole. One end of the air delivery pipe away from the connecting top cover is connected to an exhaust fan. An air outlet pipe is fixedly connected to the exhaust fan. One end of the air outlet pipe away from the exhaust fan is connected to a guiding cover. An air filter is fixedly connected to one end of the guiding cover away from the air outlet pipe.

[0007] Optionally, a connecting hole is formed at one end of the guiding cover close to the air outlet pipe, and the connecting hole is fixedly connected to one end of the air outlet pipe away from the exhaust fan.

[0008] Optionally, the ladder mechanism includes a ladder fixedly connected to the side wall of the clean room, and a protection mechanism is rotatably arranged on the ladder.

[0009] Optionally, the protection mechanism includes a rotating baffle that is rotatably connected to the ladder and used to block the ladder. A U-shaped hanging ring is fixedly connected to the rotating baffle, and a steel wire lock is hung on the U-shaped hanging ring.

[0010] Optionally, a connecting pipe is fixedly connected to one end of the filtering system close to the variable-frequency fan, and one end of the connecting pipe away from the filtering system is fixedly connected to the variable-frequency fan.

[0011] Optionally, an air inlet pipe is fixedly connected to one end of the filtering system away from the connecting pipe.

[0012] In summary, the present application includes at least one of the following beneficial technical effects of an automatically adjustable air supply system:

[0013] The utility model utilizes the cooperation of structures such as a variable-frequency fan, a filtering system, a monitoring and control mechanism, and a pneumatic pressure regulating valve, so that the clean room can automatically adjust the pressure, ensure uniform air flow, avoid the occurrence of dead corners or uneven air flow, and contribute to more effective air exchange and filtration. At the same time, it can not only adjust the air pressure according to actual needs, avoid energy waste caused by excessive air pressure setting, but also reduce the environmental fluctuations caused by manual adjustment, avoid human interference, and improve the working comfort of employees. Finally, it ensures that the air is always in good condition, helps to reduce the discomfort or health problems of employees caused by poor air quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A structural schematic diagram of an automatically adjustable air supply system of the utility model is given;

[0015] Figure 2 For Figure 1 Partial structural schematic diagram of;

[0016] Figure 3 For Figure 1Schematic diagram of the split structure of the middle guide cover and the air filter.

[0017] Reference numerals: 1, clean room; 2, variable frequency fan; 3, connecting pipe; 4, filtration system; 5, intake pipe; 6, air supply duct; 7, air pressure regulating valve; 8, monitoring and control mechanism; 9, connecting top cover; 10, exhaust fan; 101, gas transmission pipe; 102, outlet pipe; 11, guide cover; 12, air filter; 13, ladder; 14, connecting hole; 15, exhaust hole; 16, monitoring hole; 17, intake hole; 18, rotating baffle; 19, wire lock; 20, U-shaped hanging ring. Detailed implementation manners

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some but not all of the embodiments of the present utility model.

[0019] Generally, the components of the embodiments of the present utility model described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the claimed present utility model, but merely represents the selected embodiments of the present utility model.

[0020] All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0022] It should be noted that the term "comprising", "including" or any other variant thereof is intended to cover a non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0023] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0024] Embodiment

[0025] Such as Figures 1-3As shown in the figure, a kind of automatically adjustable air supply system proposed by the utility model includes a clean room 1, which is a room or area specially designed to control air pollution and maintain a high cleanliness environment. It also includes: a filtration system 4 installed on the clean room 1 to filter the air delivered into the clean room 1. One end of the filtration system 4 close to the variable frequency fan 2 is fixedly connected with a connecting pipe 3. The end of the connecting pipe 3 far away from the filtration system 4 is fixedly connected with the variable frequency fan 2. The end of the filtration system 4 far away from the connecting pipe 3 is fixedly connected with an air inlet pipe 5. Then, the filtered air is delivered to the variable frequency fan 2 in the clean room 1. The variable frequency fan 2 can adjust the speed of the fan according to the requirements in the clean room 1, so as to accurately control the air flow. This helps to keep the air flow and air pressure in the clean room 1 stable and ensure that the cleanliness meets the requirements. Moreover, by adjusting the operating speed of the fan through the frequency converter, the variable frequency fan 2 can reduce the power when the actual demand is low, thus saving energy. Compared with the traditional fan, the variable frequency fan 2 can significantly reduce the energy consumption and operation cost. A monitoring hole 16 is opened on the clean room 1, and a monitoring and control mechanism 8 for real-time monitoring of the air pressure in the clean room 1 is fixedly connected inside the monitoring hole 16. The monitoring and control mechanism 8 is used to detect the quantity and size of suspended particulate matter in the air to ensure that the particulate matter concentration in the clean room 1 meets the standard. And the air flow velocity is measured through the wind speed sensor to ensure that the air flow meets the design specifications of the clean room 1. Then, the indoor air pressure is monitored through the air pressure sensor to maintain a positive pressure state and prevent external pollutants from entering. In addition, the indoor temperature is monitored in real time through the temperature and humidity control to ensure that it is within the set range, and the indoor humidity is measured to prevent the humidity from being too high or too low from affecting the environment of the clean room 1. Finally, various environmental parameters of the clean room 1, such as temperature, humidity, air pressure and particulate matter concentration, are recorded in real time for subsequent analysis and review. A air supply pipe 6 is connected to the variable frequency fan 2, and one end of the air supply pipe 6 far away from the variable frequency fan 2 is fixedly connected with a air pressure regulating valve 7. The air pressure regulating valve 7 is used to maintain a positive pressure state in the clean room 1, that is, the indoor air pressure is higher than the outdoor air pressure. The positive pressure helps to prevent the external air (which may carry pollutants) from entering the clean room 1, thus maintaining the cleanliness of the indoor environment. It can also adjust the air flow into the clean room 1 to balance the internal air flow. This adjustment ensures that the air flow distribution in the clean room 1 is uniform, thus avoiding the air pressure fluctuation and air pollution in local areas. The current air pressure regulating valve 7 is equipped with an automatic control system, which can automatically adjust the air pressure according to the real-time monitored data and maintain it within the preset range. This automatic adjustment function improves the stability and operation efficiency of the clean room 1.The upper surface of the clean room 1 is provided with an air inlet hole 17 fixedly connected to the air pressure regulating valve 7; an exhaust hole 15 is opened on the clean room 1 for exhausting the waste gas in the clean room 1, and a filtering mechanism for purifying the waste gas discharged from the exhaust hole 15 is provided on the clean room 1, and the filtering mechanism is connected to the monitoring and control mechanism 8; a ladder mechanism is arranged on one side wall of the clean room 1 for the staff to get on and off the clean room 1, and the ladder mechanism includes a ladder 13 fixedly connected to the side wall of the clean room 1, and a protection mechanism is rotatably arranged on the ladder 13.

[0026] Further, the filtering mechanism includes a connecting top cover 9 connected to the clean room 1, the bottom end of the connecting top cover 9 is fixedly connected to the exhaust hole 15, an air delivery pipe 101 is fixedly connected to the outer wall of the exhaust hole 15, one end of the air delivery pipe 101 far away from the connecting top cover 9 is connected to an exhaust fan 10, an air outlet pipe 102 is fixedly connected to the exhaust fan 10, and one end of the air outlet pipe 102 far away from the exhaust fan 10 is connected to a guiding cover 11. The function of the guiding cover 11 is to guide all the air discharged from one end of the air outlet pipe 102 to the air filter 12. A connecting hole 14 is opened at one end of the guiding cover 11 close to the air outlet pipe 102, and the connecting hole 14 is fixedly connected to one end of the air outlet pipe 102 far away from the exhaust fan 10. An air filter 12 is fixedly connected to one end of the guiding cover 11 far away from the air outlet pipe 102. The air filter 12 includes a HEPA (High Efficiency Particulate Air) filter and an activated carbon filter. The HEPA filter can capture tiny particulate matters, while the activated carbon filter removes toxic gases and odors through adsorption. These two filters are often used in combination to provide a more comprehensive air purification effect and prevent the waste gas discharged from the clean room 1 from polluting the environment.

[0027] Still further, the protection mechanism includes a rotating baffle 18 rotatably connected to the ladder 13 and used for blocking the ladder 13. The rotating baffle 18 is made of a metal plate, and its function is to prevent the steps on the ladder 13 from being exposed, so that unauthorized personnel can only step on the smooth rotating baffle 18, thus having no leverage point. A U-shaped hanging ring 20 is fixedly connected to the rotating baffle 18, and a steel wire lock 19 is hung on the U-shaped hanging ring 20. The steel wire lock 19 is a kind of lock commonly used on bicycles, and it is soft and can be easily bent.

[0028] In this embodiment, when an automatically adjustable air supply system is required, such as Figure 1As shown in the figure, the air passing through the intake pipe 5 is transported to the filtration system 4 for filtration. The filtered air enters the connecting pipe 3 and is transported by the variable-frequency blower 2 to the air supply pipe 6, and then passes through the air pressure regulating valve 7 and enters the interior of the clean room 1 through the air inlet hole 17. During this process, the monitoring and control mechanism 8 detects the air pressure inside the clean room 1 through the monitoring hole 16. When the pressure difference between the inside and outside of the clean room 1 is too large, the monitoring and control mechanism 8 at this time will send a signal to the controller. After the controller is started, it will send an instruction to the air pressure regulating valve 7 and the variable-frequency blower 2. The air pressure regulating valve 7 adjusts the opening and closing degree according to the data detected by the monitoring and control mechanism 8, and the variable-frequency blower 2 controls the air flow by adjusting the rotation speed, so as to maintain the air pressure inside the clean room 1 at the preset level, and then realize the automatic regulation of the air supply inside the clean room 1.

[0029] When it is necessary to discharge the excess air or polluted air inside the clean room 1 from the system to maintain the indoor air pressure balance, a signal is sent to the controller through the monitoring and control mechanism 8. After the controller is started, an instruction is sent to the exhaust fan 10. After the exhaust fan 10 is started, the waste gas inside the clean room 1 is pumped to the exhaust pipe 102 through the exhaust hole 15, the connecting top cover 9 and the air delivery pipe 101 in sequence. Finally, the waste gas passes through the connecting hole 14 and the guiding cover 11 and enters the air filter 12, so as to purify the waste gas discharged from the clean room 1 and avoid discharging it randomly to pollute the environment.

[0030] When the staff needs to climb onto the clean room 1 to check and repair the equipment, as Figure 1 shown. However, to prevent unauthorized people from falling after climbing the ladder 13 or doing something illegal, only need to rotate the rotating baffle 18 so that the rotating baffle 18 completely blocks the ladder 13. Then only need to pass one end of the wire lock 19 through the U-shaped hanging ring 20 and the vertical rod of the ladder 13, and lock the wire lock 19. At this time, only the person with the key to the wire lock 19 or the authorized person can open the wire lock 19 after obtaining the key and then use the ladder 13.

[0031] The preferred embodiments of the above utility model are only used to help illustrate the utility model. The preferred embodiments do not describe all the details in detail, nor limit the utility model to only the specific implementation manners. Obviously, according to the content of this specification, many modifications and changes can be made. This specification selects and specifically describes these embodiments to better explain the principle and practical application of the utility model, so that those skilled in the art can well understand and utilize the utility model. The utility model is only limited by the claims and their full scope and equivalents.

Claims

1. An automatically adjustable air supply system, comprising a clean room (1), characterized in that: Also includes: A filtering system (4) is installed on the clean room (1) to filter the air supplied to the clean room (1), and then supplies the filtered air to the variable frequency fan (2) in the clean room (1); a monitoring hole (16) is provided on the clean room (1); a monitoring control mechanism (8) for real-time monitoring of the air pressure in the clean room (1) is fixedly connected to the inside of the monitoring hole (16); an air supply pipe (6) is connected to the variable frequency fan (2); an end of the air supply pipe (6) away from the variable frequency fan (2) is fixedly connected to an air pressure regulating valve (7); and an air inlet hole (17) fixedly connected to the air pressure regulating valve (7) is provided on the upper surface of the clean room (1); An exhaust hole (15) is provided on the clean room (1) for exhausting waste gas in the clean room (1), and a filtering mechanism is provided on the clean room (1) for purifying the waste gas exhausted from the exhaust hole (15), and the filtering mechanism is connected to the monitoring and control mechanism (8); A ladder mechanism is arranged on a side wall at one end of the clean room (1) for workers to go up and down the clean room (1).

2. The automatically adjustable air supply system according to claim 1, characterized in that: The filtering mechanism comprises a connecting top cover (9) connected to the clean room (1), the bottom end of the connecting top cover (9) is fixedly connected to the exhaust hole (15), the outer wall of the exhaust hole (15) is fixedly connected to an air supply pipe (101), the end of the air supply pipe (101) away from the connecting top cover (9) is connected to an exhaust fan (10), the exhaust fan (10) is fixedly connected to an air outlet pipe (102), the end of the air outlet pipe (102) away from the exhaust fan (10) is connected to a guide cover (11), and the end of the guide cover (11) away from the air outlet pipe (102) is fixedly connected to an air filter (12).

3. The automatically adjustable air supply system according to claim 2, characterized in that: A connection hole (14) is provided at one end of the guide cover (11) close to the air outlet pipe (102), and the connection hole (14) is fixedly connected to one end of the air outlet pipe (102) away from the exhaust fan (10).

4. The automatically adjustable air supply system according to claim 1, characterized in that: The ladder mechanism comprises a ladder (13) fixedly connected to the side wall of the clean room (1), and a protection mechanism is rotatably provided on the ladder (13).

5. The automatically adjustable air supply system according to claim 4, characterized in that: The protection mechanism comprises a rotating baffle (18) rotatably connected to the ladder (13) and used to block the ladder (13); a U-shaped hanging ring (20) is fixedly connected to the rotating baffle (18); and a wire lock (19) is hung on the U-shaped hanging ring (20).

6. The automatically adjustable air supply system according to claim 1, characterized in that: One end of the filter system (4) close to the variable frequency fan (2) is fixedly connected to a connecting pipe (3), and one end of the connecting pipe (3) away from the filter system (4) is fixedly connected to the variable frequency fan (2).

7. The automatically adjustable air supply system according to claim 6, characterized in that: An end of the filter system (4) away from the connecting pipe (3) is fixedly connected to an air intake pipe (5).

Images