Workshop air conditioning system

Abstract

The utility model provides a workshop air conditioning system, which is used for adjusting pressure difference values in a plurality of workshops and comprises a plurality of fresh air devices in one-to-one correspondence with the plurality of workshops. Each fresh air device comprises an air inlet, a primary filter, a temperature adjusting assembly, a humidity adjusting assembly, an air feeder, a medium efficiency filter, a sub-high efficiency filter and an air outlet which are sequentially connected through pipelines. The workshop air conditioning system further comprises a controller, an electric fresh air valve is arranged at the air inlet, an air pressure sensor is arranged in each workshop, the controller is electrically connected to the air pressure sensors and the electric fresh air valve, and the controller is used for calculating the pressure difference value between the workshops according to data fed back by the air pressure sensors. And the opening degree of the electric fresh air valve is adjusted according to the pressure difference value. According to the utility model, the air pressure difference value can be regulated and controlled, and the failure rate of equipment is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of fresh air devices, and more specifically, to a workshop air-conditioning system. Background Art

[0002] The production processes on each line in a lithium battery workshop require relatively high room pressure differentials for each functional section. This room pressure differential directly impacts product quality and the air cleanliness within the room. Existing fresh air systems typically install a return fan in each workshop. After fresh air is delivered to each workshop, the air pressure within each workshop is detected, the pressure differential between the workshops is calculated, and the operating frequency of the return fan in each workshop is adjusted based on the pressure differential (increasing the operating frequency of the return fan in workshops with higher air pressure values), thereby achieving regulation of the pressure differential. Frequently adjusting the operating frequency of the return fan to control air pressure and pressure differentials over long periods of time increases the return fan's failure rate and prevents the required air supply from being stably achieved, significantly impacting product quality. Utility Model Content

[0003] (1) Technical issues to be resolved

[0004] The technical problem to be solved by the utility model is that the equipment failure rate of the existing fresh air system is high and the pressure difference regulation is unstable.

[0005] (2) Technical solution

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] The utility model provides a workshop air-conditioning system for adjusting the pressure difference in multiple workshops, including multiple fresh air devices arranged in a one-to-one correspondence with the multiple workshops, each fresh air device including an air inlet, a primary filter, a temperature adjustment component, a humidity adjustment component, a blower, a medium efficiency filter, a sub-high efficiency filter and an air outlet connected in sequence through pipes; wherein, the workshop air-conditioning system also includes a controller, the air inlet is provided with an electric fresh air valve, each of the workshops is provided with an air pressure sensor, the controller is electrically connected to the air pressure sensor and the electric fresh air valve, the controller is used to calculate the pressure difference between the workshops according to the data fed back by the air pressure sensor, and adjust the opening and closing degree of the electric fresh air valve according to the pressure difference.

[0008] Preferably, the temperature adjustment component includes a first air heater and / or a surface cooler.

[0009] Preferably, the humidity regulating component includes an air humidifier and / or a second air heater.

[0010] Preferably, the workshop air-conditioning system further includes a manual fresh air valve, which is arranged between the electric fresh air valve and the primary filter.

[0011] Preferably, the electric fresh air valve includes a tube body, a rotating shaft, a baffle and a motor. The baffle is rotatably connected to the tube body via the rotating shaft, and the rotating shaft is connected to the output shaft of the motor.

[0012] Preferably, the primary filter is an F5 filter, the medium efficiency filter is an F9 filter, and the sub-high efficiency filter is an H13 filter.

[0013] Preferably, the workshop air-conditioning system further includes a return air fan, which is connected to the primary filter via a pipeline and is electrically connected to the controller.

[0014] Preferably, the pressure difference value is not greater than 5Pa.

[0015] (3) Beneficial effects

[0016] The above technical solution of the present utility model has at least the following advantages:

[0017] 1. In this utility model, the air pressure sensor monitors the air pressure of each workshop in real time. If the pressure difference within the workshop is too low, the controller will open the electric fresh air valve corresponding to the workshop with low air pressure to increase the air intake. The fresh air is processed by each functional section and sent to the room to supplement the pressure difference. If the room pressure difference is too high, the controller will close the electric fresh air valve corresponding to the workshop with high air pressure, reducing the fresh air supply and thus lowering the pressure difference. This allows the pressure difference to be regulated. Compared to the existing solution of adjusting the pressure difference by adjusting the operating frequency of the return air fan, this utility model can achieve stable regulation of the pressure difference, with low power consumption and less risk of equipment damage.

[0018] 2. In this utility model, when the blower is turned on, fresh air enters through the air inlet and is initially filtered by the primary filter. Depending on the summer or winter operating mode, the air is heated or cooled by the temperature control component. Depending on the humidity requirement, the air is humidified or dehumidified by the humidity control component. The air is further filtered by the medium efficiency filter and the sub-high efficiency filter. The treated air that meets the process requirements is discharged from the air outlet and sent to the workshop. This meets the existing workshop production requirements for air temperature, humidity and cleanliness, ensuring stable production quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 It is a structural diagram of a workshop air-conditioning system provided by an embodiment of the utility model.

[0021] Figure 2 It is a structural schematic diagram of the electric fresh air valve provided in an embodiment of the utility model.

[0022] The reference numerals in the figures are:

[0023] 100. Workshop; 1. Air inlet; 2. Primary filter; 3. Air supply fan; 4. Medium-efficiency filter; 5. Sub-high-efficiency filter; 6. Air outlet; 7. Controller; 8. Electric fresh air valve; 9. Air pressure sensor; 10. First air heater; 11. Surface cooler; 12. Air humidifier; 13. Second air heater; 14. Manual fresh air valve; 15. Return air fan; 81. Pipe body; 82. Rotating shaft; 83. Baffle; 84. Motor. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention 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 only used to explain the present invention and are not intended to limit the present invention.

[0025] It should be noted that when an element is referred to as being “fixed to” or “disposed on” another element, it may be directly located on the other element or indirectly located on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0026] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate that the device or element must have a specific orientation, be constructed and operate in a specific orientation. Therefore, it should not be understood as a limitation on the present invention.

[0027] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate relative importance or the number of technical features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined. The following is a more detailed description of the specific implementation of this utility model in conjunction with specific embodiments:

[0028] like Figure 1 and Figure 2As shown, an embodiment of the present invention provides a workshop air conditioning system for adjusting the pressure difference value within multiple workshops 100, including multiple fresh air devices arranged in a one-to-one correspondence with the multiple workshops 100, each fresh air device including an air inlet 1, a primary filter 2, a temperature adjustment component, a humidity adjustment component, a blower 3, a medium efficiency filter 4, a sub-high efficiency filter 5 and an air outlet 6 connected in sequence through a pipeline; wherein, the workshop air conditioning system also includes a controller 7, the air inlet 1 is provided with an electric fresh air valve 8, each workshop 100 is provided with an air pressure sensor 9, the controller 7 is electrically connected to the air pressure sensor 9 and the electric fresh air valve 8, the controller 7 is used to calculate the pressure difference value between each workshop 100 based on the data fed back by the air pressure sensor 9, and adjust the opening and closing degree of the electric fresh air valve 8 according to the pressure difference value. wherein, the primary filter is used to remove dust particles ≥5μm, and acts as a pre-filter in the workshop air conditioning system to protect the medium efficiency and high efficiency filters and other accessories in the air conditioning box to extend their service life. The medium-efficiency filter removes dust particles ≥1.0 μm. It serves as an intermediate filter in the workshop air conditioning system, reducing the load on the high-efficiency filter and extending the service life of the high-efficiency filter and accessories within the air conditioning cabinet. The sub-high-efficiency filter 5 removes dust particles ≥0.5 μm and serves as the terminal filter in the workshop air conditioning system. The temperature control assembly adjusts the temperature of the fresh air, while the humidity control assembly adjusts the humidity of the fresh air. The blower 3 draws fresh air in through the air inlet 1 and pumps it to the air outlet 6.

[0029] As one of the optional implementations of this embodiment, the temperature control component includes a first air heater 10 and / or a surface cooler 11. The first air heater 10 is used to heat the air, and the surface cooler 11 is used to cool the air. The first air heater 10 and the surface cooler 11 can be installed simultaneously in the same workshop air-conditioning system, and then selectively turned on according to the specific season. For example, in winter when the air temperature is low, the first air heater 10 can be turned on and the surface cooler 11 can be turned off to heat the air; in summer when the air temperature is high, the first air heater 10 can be turned off and the surface cooler 11 can be turned on to cool the air.

[0030] As one of the optional implementations of this embodiment, the humidity control component includes an air humidifier 12 and / or a second air heater 13. The air humidifier 12 is used to humidify the air, and the second air heater 13 is used to heat the air to reduce the humidity. The air humidifier 12 and the second air heater 13 can be installed simultaneously in the air conditioning system of the same workshop, and then selectively turned on according to the specific season. For example, in the winter in the north, when the air humidity is low, the air humidifier 12 can be turned on and the second air heater 13 can be turned off to humidify the air; in the rainy season, when the air humidity is high, the air humidifier 12 can be turned off and the second air heater 13 can be turned on to heat and dehumidify the air.

[0031] As an optional implementation of this embodiment, the workshop air conditioning system further includes a manual fresh air valve 14, which is arranged between the electric fresh air valve 8 and the primary filter 2. By adjusting the opening and closing degree of the manual fresh air valve 14, the amount of fresh air drawn in can be more accurately adjusted.

[0032] As one of the optional implementations of this embodiment, the electric fresh air valve 8 includes a tube body 81, a rotating shaft 82, a baffle 83, and a motor 84. The baffle 83 is rotatably connected to the tube body 81 via the rotating shaft 82, and the rotating shaft 82 is connected to the output shaft of the motor 84. The motor 84 drives the baffle 83 to rotate via the rotating shaft 82, thereby changing the area of ​​the pipe opening blocked by the baffle 83, thereby adjusting the opening and closing degree of the pipe opening, thereby adjusting the air intake volume of the pipe.

[0033] As one of the optional implementations of this embodiment, the primary filter 2 is an F5 filter, the medium efficiency filter 4 is an F9 filter, and the sub-high efficiency filter 5 is an H13 filter.

[0034] As an optional implementation of this embodiment, the workshop air conditioning system further includes a return air fan 15, which is connected to the primary filter 2 via a duct and is electrically connected to the controller 7. If opening or closing the electric fresh air valve 8 still cannot meet the pressure difference requirement, the operating frequency of the return air fan 15 can be adjusted.

[0035] As one of the optional implementations of this embodiment, the pressure difference value is not greater than 5Pa.

[0036] The working principle of this embodiment is as follows: the blower 3 is turned on, and fresh air enters from the air inlet 1. The air is initially filtered by the primary filter 2. According to the summer or winter operating mode, the air is heated or cooled by the temperature regulating component. According to the humidity requirements, the air is humidified or dehumidified by the humidity regulating component. The air is further filtered by the medium efficiency filter 4 and the sub-high efficiency filter 5. The treated air that meets the process requirements is discharged from the air outlet 6 and sent to the workshop. The air pressure sensor 9 monitors the air pressure of each workshop in real time. If the pressure difference in the workshop is too low, the controller 7 will open the electric fresh air valve 8 of the workshop with low air pressure to increase the air intake. The fresh air is processed by each functional section and sent to the room to supplement the pressure difference. If the pressure difference in the room is too high, the controller 7 will close the electric fresh air valve 8 of the workshop with high air pressure to reduce the supplement of fresh air and thus reduce the pressure difference value. In the prior art, the wind pressure is controlled by adjusting the frequency of the supply fan and the return fan, which is relatively unstable. Frequent frequency adjustment causes great damage to the belts and other accessories of the equipment. This embodiment uses the adjustment of the fresh air valve opening to adjust the fresh air volume, which is both stable and more accurate, and also saves power consumption of the return fan.

[0037] The utility model also has the following advantages:

[0038] 1) Construction and operation costs are reduced, and equipment operation energy consumption is low;

[0039] 2) Low equipment failure rate;

[0040] 3) Fully automatic control, working around the clock, only requiring personnel inspection, stable and reliable operation, adaptable to different operating conditions;

[0041] 4) Accurate adjustment with less fluctuation makes production more stable;

[0042] 5) Simple operation and maintenance.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A workshop air conditioning system for adjusting the pressure difference value in multiple workshops, characterized in that: It includes multiple fresh air devices arranged in one-to-one correspondence with multiple workshops, each fresh air device includes an air inlet, a primary filter, a temperature adjustment component, a humidity adjustment component, a blower, a medium efficiency filter, a sub-high efficiency filter and an air outlet connected in sequence through pipes; wherein, the workshop air-conditioning system also includes a controller, the air inlet is provided with an electric fresh air valve, each workshop is provided with an air pressure sensor, the controller is electrically connected to the air pressure sensor and the electric fresh air valve, the controller is used to calculate the pressure difference between the workshops based on the data feedback from the air pressure sensor, and adjust the opening and closing degree of the electric fresh air valve according to the pressure difference.

2. The workshop air conditioning system according to claim 1, characterized in that: The temperature adjustment assembly includes a first air heater and / or a surface cooler.

3. The workshop air conditioning system according to claim 1, characterized in that: The humidity adjustment component includes an air humidifier and / or a second air heater.

4. The workshop air conditioning system according to claim 1, characterized in that: The workshop air-conditioning system further comprises a manual fresh air valve, which is arranged between the electric fresh air valve and the primary filter.

5. The workshop air conditioning system according to claim 1, characterized in that: The electric fresh air valve includes a tube body, a rotating shaft, a baffle and a motor. The baffle is rotatably connected to the tube body via the rotating shaft, and the rotating shaft is connected to the output shaft of the motor.

6. The workshop air conditioning system according to claim 1, characterized in that: The primary filter is an F5 filter, the medium efficiency filter is an F9 filter, and the sub-high efficiency filter is an H13 filter.

7. The workshop air conditioning system according to claim 1, characterized in that: The workshop air-conditioning system further includes a return air fan, which is connected to the primary filter via a pipeline and is electrically connected to the controller.

8. The workshop air conditioning system according to claim 1, characterized in that: The pressure difference value is no greater than 5Pa.

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