Efficient filtering and air supplying device for biopharmacy clean workshop
By combining primary, medium, high efficiency, and ultra-high efficiency filters with a snap-fit design controlled by a thermal anemometer and an electric push rod, the high energy consumption and complex filter replacement issues of traditional air supply systems are solved, achieving efficient air purification and convenient maintenance, and meeting the high standards required for biopharmaceutical cleanrooms.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-03-24
AI Technical Summary
Traditional air supply systems are energy-intensive, have high operating costs, and require complex filter replacements, making it difficult to meet the high standards required for biopharmaceutical cleanrooms.
It adopts a combination of primary, medium, high efficiency and ultra-high efficiency filters, combined with a snap-fit design controlled by a thermal velocity sensor and an electric push rod, to achieve multi-level purification and convenient maintenance.
It achieves efficient air purification, reduces energy consumption, simplifies the filter replacement and maintenance process, and improves production efficiency and product quality.
Smart Images

Figure CN224033968U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to air purification technical field especially relates to a biological pharmacy clean workshop high -efficient filtration air supply device. BACKGROUND
[0002] With the rapid development of biotechnology and pharmaceutical industry, the requirement for production environment is also more and more strict. The traditional air purification method is difficult to meet the increasingly strict GMP standard, therefore, high -efficient filtration air supply device as a key technology emerges as the times require, it not only can effectively control the particulate pollution in workshop, also can provide necessary environmental protection for sensitive biological pharmacy process.
[0003] However, the traditional air supply system usually needs to maintain larger air supply volume in order to maintain necessary clean standard, this not only leads to the significant increase of fan energy consumption, also pushes up the operation cost, in addition, high -efficient filter as the key component to ensure air cleanliness, needs to be replaced regularly, but the process of disassembling filter in current equipment is relatively complex, increases the risk of pollution, also can prolong downtime, these problems all challenge to improve production efficiency and product quality, therefore we propose a biological pharmacy clean workshop high -efficient filtration air supply device to solve the above problems. UTILITY MODEL CONTENT
[0004] In order to overcome the above-mentioned prior art defects, the utility model provides a biological pharmacy clean workshop high -efficient filtration air supply device.
[0005] Technical scheme: a biological pharmacy clean workshop high -efficient filtration air supply device, including casing, exhaust fan and inlet fan, the casing is the assembly main body of this air supply device, the front and rear sides of the casing are both vent, a plurality of exhaust fans are installed at the front side vent of the casing, a plurality of inlet fans are installed at the rear side vent of the casing, the exhaust fan cooperates with the inlet fan to form a duct from back to front in the casing;Still including guide rail, primary filter, medium -efficiency filter, high -efficient filter, super -efficient filter, clamping block and buckle part, the inner wall of the top and bottom of the casing is provided with four groups of interval distribution guide rail, a consistent number of sockets are formed on the side wall of the casing, every socket is adapted to corresponding guide rail respectively, the guide rail on the direction from the inlet fan to the exhaust fan of the casing is sequentially assembled with primary filter, medium -efficiency filter, high -efficient filter and super -efficient filter etc. filter, the frame body outside of primary filter, medium -efficiency filter, high -efficient filter and super -efficient filter is equipped with clamping block, the clamping block is equipped with socket, the inner wall of the socket of the casing is equipped with buckle part corresponding to the clamping block of filter.
[0006] In addition, it is particularly preferred that the housing is provided with a plurality of thermal air velocity sensors on the side away from the filter insertion port, and the temperature sensor of each thermal air velocity sensor extends into the housing, and the thermal air velocity sensors are arranged in the area between each set of guide rails in the housing.
[0007] In addition, it is particularly preferred that the housing is provided with a plurality of thermal air velocity sensors on the side away from the filter insertion port, and the temperature sensor of each thermal air velocity sensor extends into the housing, and the thermal air velocity sensors are arranged in the area between each set of guide rails in the housing.
[0008] In addition, it is particularly preferred that the housing is provided with a plurality of thermal air velocity sensors on the side away from the filter insertion port, and the temperature sensor of each thermal air velocity sensor extends into the housing, and the thermal air velocity sensors are arranged in the area between each set of guide rails in the housing.
[0009] In addition, it is particularly preferred that the housing is provided with a plurality of thermal air velocity sensors on the side away from the filter insertion port, and the temperature sensor of each thermal air velocity sensor extends into the housing, and the thermal air velocity sensors are arranged in the area between each set of guide rails in the housing.
[0010] In addition, it is particularly preferred that the housing is provided with a plurality of thermal air velocity sensors on the side away from the filter insertion port, and the temperature sensor of each thermal air velocity sensor extends into the housing, and the thermal air velocity sensors are arranged in the area between each set of guide rails in the housing.
[0011] The utility model has the advantages of:
[0012] 1. The combination of the primary filter, the medium filter, the high-efficiency filter and the super-efficiency filter can purify the air entering the housing in multiple layers, ensure the cleanliness of the output air to reach high standards, and be suitable for high-demand environments such as biological pharmaceuticals.
[0013] 2. The thermal air velocity sensor can monitor the air velocity change after each layer of filter in real time, judge whether the filter is blocked in time, help to maintain in advance, and ensure the stable operation of the system.
[0014] 3. The filter frame outside is provided with a handle, which is convenient for taking out and cleaning or replacing; at the same time, the buckle design controlled by the electric push rod makes the filter more convenient and fast to assemble and disassemble, and improves the maintenance efficiency of the air supply device. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model.
[0016] Figure 2 It is a schematic view of the utility model's clamping block, sealing ring, support plate, wedge-shaped block and other components.
[0017] Figure 3 It is a connection relationship diagram of the utility model's shell, exhaust fan and thermal air speed sensor.
[0018] Figure 4 It is a schematic view of the utility model's shell, exhaust fan, air inlet fan and thermal air speed sensor.
[0019] Figure 5 It is a connection relationship diagram of the utility model's clamping block, sealing ring, support plate, wedge-shaped block and electric push rod.
[0020] Among them, the above-mentioned drawing includes the following figure marks: 1: shell, 2: exhaust fan, 3: air inlet fan, 31: guide rail, 4: primary efficiency filter, 5: medium efficiency filter, 6: high efficiency filter, 7: super efficiency filter, 8: handle, 9: thermal air speed sensor, 10: clamping block, 11: sealing ring, 12: support plate, 13: wedge-shaped block, 131: contact plate, 14: spring, 15: electric push rod, 16: universal wheel. DETAILED DESCRIPTION
[0021] Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearance of the phrase in various places in the specification is not necessarily all referring to the same embodiment, nor is it necessarily referring to a preferred or alternative embodiment. It will be explicitly understood that the subject matter described herein can be combined in a single embodiment or in multiple embodiments.
[0022] A high-efficiency filtering air supply device for a biopharmaceutical clean workshop, comprising a shell, an exhaust fan, an air inlet fan, a thermal air speed sensor, a primary efficiency filter, a medium efficiency filter, a high efficiency filter and a super efficiency filter, Figures 1-5As shown, including the shell 1, exhaust fan 2 and fan 3, the shell 1 is the assembly body of the present air supply device, the front and rear sides of the shell 1 are both air vents, a plurality of exhaust fans 2 are installed at the front side air vent of the shell 1, a plurality of air inlet fans 3 are installed at the rear side air vent of the shell 1, the exhaust fan 2 cooperates with the air inlet fan 3 to form an air duct from back to front in the shell 1; it also includes guide rail 31, primary filter 4, medium efficiency filter 5, high efficiency filter 6, super efficiency filter 7, clamping block 10 and buckle, the inner wall of the top and bottom of the shell 1 is provided with four groups of spaced distribution guide rails 31, a consistent number of sockets are opened on the side wall of the shell 1, each socket is respectively matched with the corresponding guide rail 31, the guide rail 31 on the direction from the air inlet fan 3 to the exhaust fan 2 of the shell 1 is sequentially matched with the primary filter 4, medium efficiency filter 5, high efficiency filter 6 and super efficiency filter 7, the frame outside of the primary filter 4, medium efficiency filter 5, high efficiency filter 6 and super efficiency filter 7 is provided with clamping block 10, the clamping block 10 is provided with a socket, the inner wall of the socket of the shell 1 is provided with a buckle corresponding to the buckle of the filter, the air inlet in the shell 1 is filtered by the primary filter 4, medium efficiency filter 5, high efficiency filter 6 and super efficiency filter 7, thereby realizing high efficiency filtration of the air supply.
[0023] As shown in Figure 3 and Figure 4 The side of the shell 1 away from the filter is provided with a plurality of thermal air speed sensors 9, the temperature sensor of each thermal air speed sensor 9 extends into the shell 1, the thermal air speed sensor 9 is arranged in the area between each group of guide rails 31 in the shell 1, the air speed change after each layer of filter is measured by the thermal air speed sensor 9, so as to judge whether the filter is blocked.
[0024] As shown in Figure 1 The frame outside of the primary filter 4, medium efficiency filter 5, high efficiency filter 6 and super efficiency filter 7 is fixedly provided with a handle 8, the handle 8 facilitates taking out each layer of filter from the shell 1, and facilitates maintaining each layer of filter.
[0025] As shown in Figure 2 The frame mounting place of the primary filter 4, medium efficiency filter 5, high efficiency filter 6 and super efficiency filter 7 is provided with a sealing ring 11, the sealing ring 11 is used to improve the sealing between each layer of filter and the shell 1, so as to avoid leakage of air not fully filtered from the shell 1.
[0026] As shown in Figure 2 and Figure 5As shown, the buckle includes a support plate 12, a wedge block 13 and a contact plate 131, the inner wall of the shell 1 is fixedly connected with an "L" type support plate 12, the support plate 12 is slidably connected with the wedge block 13 through a connecting rod, the wedge block 13 is towards the clamping block 10 on the corresponding filter, the spring 14 is arranged between the support plate 12 and the wedge block 13, the connecting rod end of the wedge block 13 is fixedly connected with the contact plate 131, the support plate 12 is fixedly connected with the electric push rod 15, the telescopic rod of the electric push rod 15 is in contact with the contact plate 131 on the wedge block 13, and the electric push rod 15 is used for conveniently unlocking the locking of the wedge block 13 to each layer of filter, so that each layer of filter is conveniently maintained.
[0027] As shown in Figure 1 and Figure 3 It also includes a universal wheel 16, the top four corners of the shell 1 are provided with the universal wheel 16, the universal wheel 16 is internally provided with a brake, and the universal wheel 16 is used for sliding the shell 1 on the ground, thereby improving the use flexibility of the device.
[0028] When the device is started, the air inlet fan 3 and the air outlet fan 2 are synchronously operated to form a directional air duct from the rear to the front in the shell 1, external air is first introduced into the rear side of the shell 1 through the air inlet fan 3, and then sequentially flows through the four-stage filtering system composed of the primary filter 4, the medium filter 5, the high-efficiency filter 6 and the super-efficiency filter 7, the primary filter 4 intercepts large particles and dust, the medium filter 5 further filters medium-sized particles, the high-efficiency filter 6 finely filters small particles and microorganisms, and finally the super-efficiency filter 7 realizes ultimate purification of micrometer-level particles, so that the output air meets the stringent standards of a clean room. In the running process, the thermal air speed sensor 9 distributed in the area of each guide rail 31 monitors the wind speed data after filtering at each level in real time, when the wind speed of a layer is significantly reduced, the system can accurately locate the blockage of the corresponding filter, and trigger a maintenance prompt. Maintenance personnel control the buckle through the electric push rod 15 outside the shell 1, that is, after the electric push rod 15 pushes the wedge block 13 to separate from the clamping opening of the filter clamping block 10, the target filter can be smoothly pulled out along the guide rail 31 by using the handle 8, and the design of the sealing ring 11 effectively prevents unfiltered air leakage, thereby protecting the integrity of the filtering system. The universal wheel 16 group at the bottom of the device provides flexible movement capability, and the brake ensures the stability of the operation. Through the multi-stage linkage filtering mechanism and the intelligent monitoring system, the unification of efficient filtering and convenient maintenance of the air supply device is realized.
[0029] The embodiments of the utility model are described in detail in combination with the drawings above, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model.
Claims
1. A high-efficiency filtration and air supply device for a biopharmaceutical cleanroom, comprising a housing (1), an exhaust fan (2) and an intake fan (3), wherein the front and rear sides of the housing (1) are ventilation openings, a plurality of exhaust fans (2) are installed at the front ventilation opening of the housing (1), and a plurality of intake fans (3) are installed at the rear ventilation opening of the housing (1). Its characteristics are, It also includes guide rails (31), primary filter (4), medium-efficiency filter (5), high-efficiency filter (6), ultra-high-efficiency filter (7), locking blocks (10) and fasteners. Four sets of spaced guide rails (31) are provided on the inner walls of the top and bottom of the housing (1). The housing (1) has a number of slots on one side wall. Each slot is adapted to the corresponding guide rail (31). The housing (1) is equipped with a primary filter (4), medium-efficiency filter (5), high-efficiency filter (6) and ultra-high-efficiency filter (7) on the guide rails (31) from the inlet fan (3) to the exhaust fan (2). The primary filter (4), medium-efficiency filter (5), high-efficiency filter (6) and ultra-high-efficiency filter (7) are provided with locking blocks (10) on the outer side of the frame of the primary filter (4), medium-efficiency filter (5), high-efficiency filter (6) and ultra-high-efficiency filter (7). The locking blocks (10) are provided with locking slots. The inner wall of the slots of the housing (1) is provided with fasteners that fasten the corresponding filters.
2. The high-efficiency filtration and air supply device for a biopharmaceutical cleanroom as described in claim 1, characterized in that, Multiple thermal wind speed sensors (9) are provided on the side of the housing (1) away from the filter inlet. The temperature sensor of each thermal wind speed sensor (9) extends into the housing (1). The thermal wind speed sensors (9) are respectively located in the area between each set of guide rails (31) in the housing (1).
3. The high-efficiency filtration and air supply device for a biopharmaceutical cleanroom as described in claim 2, characterized in that, Handles (8) are fixed to the outside of the frames of the primary filter (4), medium-efficiency filter (5), high-efficiency filter (6) and ultra-high-efficiency filter (7).
4. The high-efficiency filtration and air supply device for a biopharmaceutical cleanroom as described in claim 3, characterized in that, The frame mounting points of the primary filter (4), medium-efficiency filter (5), high-efficiency filter (6) and ultra-high-efficiency filter (7) are provided with sealing rings (11).
5. The high-efficiency filtration and air supply device for a biopharmaceutical cleanroom as described in claim 4, characterized in that, The fastener includes a support plate (12), a wedge block (13), and a contact plate (131). An "L"-shaped support plate (12) is fixedly connected to the inner wall of the housing (1). A wedge block (13) is slidably connected to the support plate (12) via a connecting rod. The wedge block (13) faces the corresponding locking block (10) on the filter. A spring (14) is provided between the support plate (12) and the wedge block (13). A contact plate (131) is fixedly connected to the end of the connecting rod of the wedge block (13). An electric push rod (15) is fixedly connected to the support plate (12). The telescopic rod of the electric push rod (15) contacts the contact plate (131) on the wedge block (13). The electric push rod (15) is used to easily unlock the wedge block (13) from locking each filter layer.
6. The high-efficiency filtration and air supply device for a biopharmaceutical cleanroom as described in claim 5, characterized in that, It also includes casters (16), and casters (16) are installed at the top four corners of the housing (1), and each caster (16) has a built-in brake.