CN221122506U - Air conditioning system and tent type biosafety laboratory - Google Patents

Abstract

The utility model provides an air conditioning system and a tent type biosafety laboratory, and relates to the technical field of microbial rooms; the air supply filtering device is communicated with the cooling and heating adjusting device and is used for performing three-stage filtration on the outside air and guiding the outside air to the cooling and heating adjusting device; the cooling and heating adjusting device is communicated with a first filtering component through a main air inlet pipe, and the first filtering component is connected with an exhaust pipe; the second filter component is used for being communicated with each sealing area, the exhaust filter component is communicated with the second air filter component through the main exhaust pipe, and the exhaust filter component is used for filtering air exhausted by the second air filter component and exhausting the air outdoors. The air conditioning system not only can ensure the cleanliness of air entering the tent and provide safe and reliable experimental environment, but also can effectively prevent pollutant discharge such as pathogens in a laboratory.

Description

Air conditioning system and tent type biosafety laboratory

Technical Field

The utility model relates to the technical field of microorganism chambers, in particular to an air conditioning system and a tent type biosafety laboratory.

Background

The microorganism laboratory is a place for researching microorganisms, plays roles of on-site rapid detection and monitoring of conventional biological pathogens, food safety, chemical safety and the like, is a fixed laboratory, can only be used in a fixed place, is inconvenient to arrange in a remote area, and therefore a mobile biosafety laboratory is generated. To ensure a good air environment in a laboratory, it is often necessary to install a fresh air system in a mobile biosafety laboratory. The existing fresh air system usually adopts a fresh air conditioner to discharge external air into first filters corresponding to all areas through a main air inlet pipe, the external air enters all areas after being filtered by all the first filters, the air in all the areas is discharged to the outside through an exhaust passage pipe after being filtered by corresponding second filters, namely, the existing fresh air system does not treat the air at the air inlet end of the main air inlet pipe and the air outlet end of the main air outlet pipe, and the condition that the cleanliness of a laboratory is affected and pathogen leakage is caused due to incomplete filtration of the first filters or the second filters is easy to occur.

Disclosure of utility model

The utility model aims to provide an air conditioning system which not only can ensure the cleanliness of air entering a tent and provide a safe and reliable experimental environment, but also can effectively prevent pollutants such as pathogens in a laboratory from being discharged. There is additionally provided a tent biosafety laboratory comprising the air conditioning system described above.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

In a first aspect, the present utility model provides an air conditioning system, including an air supply filter device, a cooling and heating adjustment device, a first filter assembly, a second filter assembly, and an air exhaust filter assembly;

The air supply filtering equipment is communicated with the cooling and heating adjusting equipment and is used for carrying out three-stage filtration on the outside air and guiding the outside air to the cooling and heating adjusting equipment;

The cooling and heating adjusting equipment is communicated with the first filtering component through a main air inlet pipe, the first filtering component is connected with a plurality of exhaust pipes which are arranged at intervals, and each exhaust pipe is used for extending into each sealing area in the tent body in a one-to-one correspondence manner;

The second filter assembly is used for being communicated with each sealing area, the exhaust filter assembly is communicated with the second filter assembly through a main exhaust pipe, and the exhaust filter assembly is used for filtering air exhausted by the second filter assembly and discharging the air outdoors.

Further, the air supply filtering device comprises a first shell, a primary filter, a middle-effect filter, a high-efficiency filter and a first fan;

The two ends of the first shell are respectively provided with a first air inlet and a first air outlet, and the first air outlet is communicated with the cooling and heating adjusting equipment;

The primary filter, the intermediate filter and the high-efficiency filter are sequentially arranged in the first shell along the air inlet direction so as to perform three-stage filtration on the outside air;

The first fan is installed in the first shell, the air inlet end of the first fan is communicated with the efficient filter, and the air outlet end of the first fan is communicated with the first air outlet.

Further, a first airtight valve for adjusting the opening and closing of the first air outlet is arranged at the first air outlet.

Further, the cooling and heating adjusting device comprises a second shell, a compressor, a heat exchanger, a heater and a heat dissipation assembly;

The two ends of the second shell are respectively provided with a second air inlet and a second air outlet, the second air inlet is communicated with the air supply filtering equipment, and the second air outlet is communicated with the main air inlet pipe;

The compressor, the heat exchanger and the heating plate are all arranged in the second shell, and the compressor is communicated with the heat exchanger;

The heat dissipation assembly is mounted on the top of the second housing.

Further, the first filter assembly includes a plurality of first filters, and the second filter assembly includes a plurality of second filters;

Each first filter is connected to the main air inlet pipe at intervals, each first air outlet of each first filter is connected with one exhaust pipe, and a plurality of first air holes are formed in the exhaust pipe;

each second filter is connected to the main exhaust pipe at intervals, and the first air inlets of each second filter are communicated with each sealing area in a one-to-one correspondence mode.

Further, in the second filter assembly:

the first air inlet of at least one second filter is connected with an air inlet pipe, a plurality of second air holes are formed in the air inlet pipe, and the air inlet pipe is used for extending into the sealing area corresponding to the second filter connected with the air inlet pipe.

Further, each first filter and each second filter comprise a sealing component, an air duct, a second sealing valve and a filter box body;

One end of the air duct is connected with the sealing component, the sealing component is used for clamping the lining of the tent at the edge of the air duct, the other end of the air duct is connected with one end of the second airtight valve, and the other end of the second airtight valve is connected with the filter box body;

A plurality of pieces of glass fiber filter paper are arranged in the filter box body, and a plurality of V-shaped filter pleat channels which are arranged side by side are formed between any two adjacent pieces of glass fiber filter paper.

Further, the exhaust air filtering assembly comprises a third shell, a filtering part, a second fan and a leakage detection mechanism;

the two ends of the third shell are respectively provided with a third air inlet and a third air outlet, and the third air inlet is communicated with the main exhaust pipe;

The filtering part and the second fan are both arranged in the third shell, the air inlet end of the second fan is communicated with the filtering part, and the air outlet end of the second fan is communicated with the third air outlet;

The omission-detecting mechanism is arranged on the third shell and used for performing omission detection on the filtering part.

In a second aspect, the utility model also provides a tent type biosafety laboratory, which comprises the air conditioning system according to the scheme.

Further, the plurality of air conditioning systems are configured, the plurality of air conditioning systems are arranged independently, the tent type biosafety laboratory further comprises a central control system connected with each air conditioning system, and the central control system is used for controlling the air inlet quantity and the air outlet quantity of each air conditioning system.

The air conditioning system and the tent type biosafety laboratory provided by the utility model can produce the following beneficial effects:

In the air conditioning system provided by the first aspect of the utility model, a traditional single fresh air conditioning structure is eliminated, and the air supply filtering device and the cooling and heating adjusting device are independently arranged, wherein one device is used for supplying air and filtering outside air, and the other device is used for realizing heating or cooling of air. Specifically, air supply filtration equipment can be to getting into the air priority in the main intake pipe and carry out tertiary filtration, has preliminarily guaranteed the cleanliness of getting into main intake pipe internal air, and the filter component of airing exhaust can be filtered once more main blast pipe exhaust air in addition, and the cleanliness of the air in the tent can be guaranteed to the two cooperation, provides safe and reliable's experimental environment, can effectively prevent pollutant discharge such as pathogen in the laboratory simultaneously.

The tent biosafety laboratory provided by the second aspect of the utility model has the air conditioning system provided by the first aspect of the utility model, thereby having all the beneficial effects of the air conditioning system provided by the first aspect of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of an air conditioning system distribution structure of a tent type biosafety laboratory according to an embodiment of the present utility model;

Fig. 2 is a schematic three-dimensional structure diagram of an air supply filtering device and a cooling and heating adjusting device when the air supply filtering device and the cooling and heating adjusting device are matched according to an embodiment of the present utility model;

FIG. 3 is a front view of an air filtering device according to an embodiment of the present utility model;

fig. 4 is a perspective view of a cooling and heating apparatus according to an embodiment of the present utility model;

FIG. 5 is a front view of a second filter according to an embodiment of the present utility model;

FIG. 6 is a schematic structural view of a seal assembly according to an embodiment of the present utility model;

Fig. 7 is a schematic three-dimensional structure of an exhaust filtering assembly according to an embodiment of the present utility model.

Icon: 1-an air supply filtering device; 11-a first housing; 111-a first air inlet; 112-a first air outlet; 113-a first upstream concentration sampling port; 114-a first sterilization port; 12-a first fan; 13-a first sealing valve; 2-a cooling and heating adjusting device; 21-a second housing; 211-a second air inlet; 212-a second air outlet; 22-compressor; a 23-heat exchanger; 24-a heat sink assembly; 25-heating plate; 3-a first filter assembly; 31-a first filter; 4-a second filter assembly; 41-a second filter; 411-first air inlet; 412-a seal assembly; 4121-framing; 4122-frame pressing latch; 4123-sealing strip; 413-wind tube; 414-a second sealing valve; 415-a filter box body; 4151-test port; 4152-a second upstream concentration sampling port; 4153-a second downstream concentration sampling port; 416-differential pressure gauge; 417-gate; 5-an exhaust filtering component; 51-a filter section; 511-a containment door; 52-a second fan; 53-missing detection mechanism; 54-a third air inlet; 55-a third air outlet; 6-a main air inlet pipe; 7-an exhaust pipe; 8-sealing area; 9-a main exhaust pipe; 10-an air inlet pipe; 011-liner.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

An embodiment of the first aspect of the present utility model is to provide an air conditioning system, as shown in fig. 1 and 2, including an air supply filtering device 1, a cooling and heating adjusting device 2, a first filtering assembly 3, a second filtering assembly 4, and an air exhaust filtering assembly 5;

The air supply filtering device 1 is communicated with the cooling and heating adjusting device 2, and the air supply filtering device 1 is used for carrying out three-stage filtration on the outside air and guiding the outside air to the cooling and heating adjusting device 2;

The cooling and heating adjusting device 2 is communicated with the first filtering component 3 through a main air inlet pipe 6, the first filtering component 3 is connected with a plurality of exhaust pipes 7 which are arranged at intervals, and each exhaust pipe 7 is used for extending into each sealing area 8 in the tent body in a one-to-one correspondence manner;

The second filter assembly 4 is used for communicating with each sealing area 8, the exhaust filter assembly 5 is communicated with the second filter assembly 4 through a main exhaust pipe 9, and the exhaust filter assembly 5 is used for filtering air exhausted by the second filter assembly 4 and exhausting the air outdoors.

As shown in fig. 1, in the air conditioning system provided in the foregoing embodiment, not only the air entering each sealing area 8 through the main air inlet pipe 6 is filtered by the first filter assembly 3, but also the air entering the main air inlet pipe 6 is filtered by the air supply filter device 1 in three stages, so that the cleanliness of the air entering each sealing area 8 is ensured by matching with the first filter assembly 3, and a safe and reliable experimental environment is provided. In addition, the air conditioning system not only filters the air exhausted from each sealing area 8 through the second filtering component 4, but also filters the air exhausted from the main exhaust pipe 9 through the exhaust filtering component 5 again, so that pollutant exhaust such as pathogens in a laboratory is effectively prevented.

The structure of the air blowing filter apparatus 1 will be specifically described below:

in some embodiments, as shown in fig. 3, the air supply filtering apparatus 1 includes a first housing 11, a primary filter, a secondary filter, a high efficiency filter, and a first fan 12, wherein:

one end of the first shell 11 is provided with a first air inlet 111, the other end of the first shell 11 is provided with a first air outlet 112, the first air inlet 111 is communicated with the outside air, and the first air outlet 112 is communicated with the cooling and heating regulating equipment 2;

The primary filter, the middle-efficiency filter and the high-efficiency filter are sequentially arranged in the first housing 11 along the air inlet direction so as to perform three-stage filtration on the air entering from the first air inlet 111;

The first fan 12 is installed in the first housing 11, the air inlet end of the first fan 12 is communicated with the efficient filter, and the air outlet end of the first fan 12 is communicated with the first air outlet 112, so that air discharged by the efficient filter is discharged to the first air inlet 111.

Specifically, the blower filter device 1 may further include openings such as a first upstream concentration sampling port 113, a first downstream concentration sampling port, and a first sterilization port 114 provided in the first housing 11. Personnel can judge the leakage rate of the primary filter, the intermediate filter and the high-efficiency filter through the first upstream concentration sampling port 113 and the first downstream concentration sampling port. Personnel can sterilize the individual filters through the first sterilization port 114.

In some embodiments, the bottom of the first housing 11 may be provided with rollers to facilitate handling of the air delivery filter apparatus 1.

In some embodiments, as shown in fig. 3, a first sealing valve 13 for adjusting the opening and closing of the first air outlet 112 is installed at the first air outlet 112.

When the first sealing valve 13 is in a closed state, air in the first housing 11 cannot be discharged from the first air outlet 112; when the first closing valve 13 is in an open state, air in the first housing 11 can be discharged from the first air outlet 112.

The fresh air quantity of a laboratory can be ensured by the air supply filtering equipment 1, the air conditioning system can be connected with the central control system, and the central control system can control the air supply quantity of the air supply filtering equipment 1 and the air exhaust quantity of the air exhaust filtering assembly 5 through the analog quantity module according to the pressure monitored by the sensor in the tent.

The central control system may include a PLC controller.

The structure of the cooling and heating apparatus 2 will be specifically described below:

In some embodiments, as shown in fig. 4, the cooling and heating conditioning apparatus 2 includes a second housing 21, a compressor 22, a heat exchanger 23, and a heat dissipating assembly 24, wherein:

one end of the second shell 21 is provided with a second air inlet 211, the other end of the second shell 21 is provided with a second air outlet 212, the second air inlet 211 is communicated with the air supply filtering equipment 1, and the second air outlet 212 is communicated with the main air inlet pipe 6;

The compressor 22 and the heat exchanger 23 are both arranged in the second shell 21, and the compressor 22 is communicated with the heat exchanger 23 to realize the refrigeration of air and the refrigeration function, so that hot air or cold air is supplied into the main air inlet pipe 6;

The heat radiating member 24 is installed at the top of the second housing 21 to radiate heat of the cooling and heating adjusting device 2.

The heat dissipation assembly 24 may include a fan, where a heat dissipation opening is disposed at the top of the second housing 21, and the fan can dissipate heat in the second housing 21 to the outside through the heat dissipation opening.

In some embodiments, as shown in fig. 4, the cooling and heating adjusting device 2 further includes a heating plate 25, and the heating plate 25 may be regarded as an electric heating plate with automatic temperature control.

In some embodiments, the bottom of the second housing 21 may be provided with rollers to facilitate handling of the cooling and heating conditioning apparatus 2.

The structure of the first filter assembly 3 and the second filter assembly 4 will be specifically described as follows:

in some embodiments, as shown in fig. 1, the first filter assembly 3 includes a plurality of first filters 31, each first filter 31 is connected to the main air inlet pipe 6 at intervals, each first air outlet of each first filter 31 is connected to one air outlet pipe 7, and a plurality of first air holes are formed in the air outlet pipe 7 to discharge air in the air outlet pipe 7 into a sealing area 8 corresponding to the air outlet pipe 7.

Specifically, the first filter assembly 3 may include two, three, four, five, etc. first filters 31, which will be specifically described with reference to the upper air conditioning system in fig. 1. The first filter assembly 3 includes three first filters 31, and the first filters 31 are sequentially disposed on the main intake pipe 6 at intervals. Along the flow direction of the air in the main air inlet pipe 6, the upper stage first filter 31 filters the air in the main air inlet pipe 6, then the air is respectively discharged into the exhaust pipe 7 connected with the upper stage first filter and the lower stage first filter 31, and the final stage first filter 31 filters the air in the main air inlet pipe 6 and then the air is completely discharged into the exhaust pipe 7 connected with the lower stage first filter.

In some embodiments, as shown in fig. 1, the extension direction of the exhaust duct 7 is parallel to the length direction of the sealing area 8, so as to rapidly exhaust the air in the exhaust duct 7 into the sealing area 8. The exhaust duct 7 may be located at the middle of the sealing area 8 in the width direction of the sealing area 8.

In some embodiments, as shown in fig. 1, the second filter assembly 4 includes a plurality of second filters 41; each second filter 41 is connected to the main exhaust pipe 9 at intervals, and the first air inlets 411 of each second filter 41 communicate with each sealing area 8 in a one-to-one correspondence to receive air in each sealing area 8.

Specifically, the second filter assembly 4 may include two, three, four, five, etc. second filters 41, which will be specifically described with reference to the upper air conditioning system in fig. 1. The second filter assembly 4 includes three second filters 41, and the second filters 41 are sequentially disposed on the main exhaust pipe 9 at intervals. Along the flow direction of the air in the main exhaust pipe 9, the upper stage second filter 41 filters the air in the main exhaust pipe 9, then the air is respectively discharged into the main exhaust pipe 9 connected with the upper stage second filter and the lower stage second filter 41, the final stage second filter 41 filters the air in the main exhaust pipe 9, then all the air is discharged into the main exhaust pipe 9 connected with the final stage second filter 41, and finally the air enters the exhaust filtering assembly 5.

In some embodiments, as shown in fig. 1, in the second filter assembly 4: the first air inlet 411 of at least one second filter 41 is connected with an air inlet pipe 10, a plurality of second air holes are arranged on the air inlet pipe 10, and the air inlet pipe 10 is used for extending into the sealing area 8 corresponding to the second filter 41 connected with the air inlet pipe, so that the air discharging efficiency in the sealing area 8 is accelerated.

The upper air conditioning system in fig. 1 will be specifically described by way of example: the space of the sealing area 8 corresponding to the final second filter 41 is maximized, and the air inlet duct 10 is connected to the first air inlet 411 of the second filter 41.

As shown in fig. 1, the extension direction of the air inlet duct 10 is parallel to the length direction of the sealing area 8 to rapidly discharge air in the sealing area 8 into the air inlet duct 10. The air inlet duct 10 may be located at the middle of the sealing area 8 in the width direction of the sealing area 8.

In some embodiments, each of the first filters 31 and each of the second filters 41 includes a sealing assembly 412, a wind barrel 413, a second sealing valve 414, and a filter box body 415, and the second filters 41 are specifically described as an example:

As shown in fig. 5, one end of the air duct 413 is connected with a sealing component 412, the sealing component 412 is used for clamping the lining of the tent at the edge of the air duct 413, the other end of the air duct 413 is connected with one end of a second sealing valve 414, and the other end of the second sealing valve 414 is connected with a filter box body 415; a plurality of pieces of glass fiber filter paper are arranged in the filter box body 415, and a plurality of V-shaped filter pleat channels which are arranged side by side are formed between any two adjacent pieces of glass fiber filter paper.

In the air filtering box provided in the above embodiment, as shown in fig. 5, first, one end of the air duct 413 can be connected with the inner liner 011 of the tent through the sealing component 412 in a sealing manner, so that a safe and reliable experimental environment can be provided; secondly, in the filtering process, a plurality of pieces of glass fiber filter paper are arranged in the filter box body 415, a plurality of V-shaped filter pleat channels which are arranged side by side are formed between any two adjacent pieces of glass fiber filter paper, the filtering area can be increased, the sewage containing capacity is improved, and the filter paper does not need to be replaced frequently.

As shown in fig. 6, the sealing assembly 412 includes a pressing frame 4121, a pressing frame lock 4122, and a sealing strip 4123, where the pressing frame lock 4122 is fixedly connected with an edge of the air duct 413, one end of the pressing frame 4121 abuts against the pressing frame lock 4122, the sealing strip 4123 is installed at the other end, and the sealing strip 4123 is used to press the liner 011 of the tent on the edge of the air duct 413.

When the air-tight sealing device is used, the sealing strip 4123 can give the inner lining 011 a pressure, so that the inner lining 011 can be tightly pressed on the edge of the air duct 413, good tightness between the air duct 413 and the inner lining 011 is guaranteed, and air is prevented from leaking to the outside between the air duct 413 and the inner lining 011 during air exhaust.

Specifically, as shown in fig. 6, a first end of the frame pressing lock 4122 is fixedly connected to an edge of the air duct 413, a second end of the frame pressing lock 4122 has a rotational degree of freedom with respect to the first end, the rotational axis is perpendicular to an end face of the air duct 413, and the second end of the frame pressing lock 4122 extends in a direction parallel to the end face of the air duct 413. When the pressing frame lock catch 4122 rotates to be opposite to the pressing frame 4121, the sealing strip 4123 on the pressing frame 4121 can be pressed on the lining 011; when the press frame lock catch 4122 rotates to be separated from the press frame 4121, the press frame 4121 is released, and a person can take out the lining 011 between the door frame and the sealing strip 4123;

The cross section of the pressing frame 4121 is bent to be U-shaped, the closed end of the U-shaped pressing frame is abutted with the pressing frame lock catch 4122, the opening end of the U-shaped pressing frame comprises two side plates, and the end parts of the two side plates are respectively connected with a sealing strip 4123.

As shown in fig. 3, in order to ensure that the edge of the air duct 413 has good tightness, the pressing frame 4121 is annular and is arranged corresponding to the edge of the air duct 413, two sealing strips 4123 on the pressing frame 4121 are also annular, one sealing strip can be regarded as an inner-layer ring sealing ring, the other sealing strip can be regarded as an outer-layer sealing ring, and the pressing frame 4121 is connected with the air duct 413 through a plurality of pressing frame locks 4122.

In at least one embodiment, the end of the air duct 413 remote from the filter box body 415 is provided with a flange, the sealing assembly 412 is mounted on a side surface of the flange remote from the filter box body 415, and the sealing assembly 412 is located at an edge of the side surface.

In some embodiments, to facilitate the removal of the air duct 413 from the second sealing valve 414, the air duct 413 is detachably connected to the second sealing valve 414 by a clip. When the air duct 413 is connected with the lining 011 of the tent, the connection between the air duct 413 and the second sealing valve 414 can be canceled, and after the air duct 413 is connected with the lining 011 of the tent, the air duct 413 is connected with the second sealing valve 414, so that the operation of personnel is facilitated.

In some embodiments, the second sealing valve 414 may be a biological sealing valve.

In some embodiments, as shown in fig. 5, the filter housing body 415 includes a bag in and bag out housing having a test port 4151, a second upstream concentration sampling port 4152, and a second downstream concentration sampling port 4153, and a filter mounted within the bag in and bag out housing, each glass fiber filter paper being disposed within the filter.

Above-mentioned rose box body 415 adopts totally closed bag to advance bag out of formula design, promptly at the rose box body 415 installation and change in-process, operates under the protection of protection bag, and the operator does not directly contact contaminated filter, and used filter is also sealed properly after sealed, does not have connection and direct contact with the external world, can effectively keep apart the pollution of pathogen, provides safe and reliable's environment, effectively prevents the secondary pollution of air to ensure operating personnel's safety.

In at least one embodiment, the filter described above employs a high efficiency filter.

During testing, the leakage rate of the air filtering box can be judged by putting aerosol into the testing port 4151, then detecting the concentration of the aerosol overflowed from the second upstream concentration sampling port 4152, and detecting the concentration of the aerosol overflowed from the second downstream concentration sampling port 4153 after the concentration of the aerosol at the second upstream concentration sampling port 4152 is stable. The operation life of the air filter box can reach 2-3 times of that of a traditional ePTFE (expanded polytetrafluoroethylene) filter through regular experiment verification.

Specifically, the filter can be pressed in the bag inlet and outlet box body in a quick-pressing mode, the steps of screwing bolts and the like are reduced, the operation in the bag is convenient, and meanwhile the pressing reliability is ensured.

In some embodiments, as shown in fig. 5, the filter box body 415 further includes a pressure difference meter 416 for detecting a pressure difference between an inlet end and an outlet end of the filter channel in the filter, where the pressure difference meter 416 is installed on the bag inlet/outlet box body, so that the personnel can monitor in real time. The bag inlet and outlet box body is provided with a door 417.

In some embodiments, an analog module may be further disposed in the bag in/out box, which may convert analog signals collected by the sensor such as the differential pressure meter 416 into digital data that the CPU controller may recognize, or convert digital data sent by the CPU controller into information such as voltage or current that other external devices recognize.

The structure of the exhaust air filtering assembly 5 will be specifically described as follows:

In some embodiments, as shown in fig. 7, the exhaust filter assembly 5 includes a third housing, a filter portion 51, a second fan 52, and a leak detection mechanism 53, wherein:

One end of the third shell is provided with a third air inlet 54, the other end of the third shell is provided with a third air outlet 55, the third air inlet 54 is communicated with the main exhaust pipe 9, and the third air outlet 55 is communicated with the outside air;

The filtering part 51 and the second fan 52 are both arranged in the third shell, the air inlet end of the second fan 52 is communicated with the filtering part 51, and the air outlet end of the second fan 52 is communicated with the third air outlet 55 so as to transfer the air discharged by the filtering part 51 to the third air outlet 55;

The missing detection mechanism 53 is mounted on the third housing, and the missing detection mechanism 53 is used for missing detection of the filtering portion 51.

The filtering part 51 may include a high efficiency filter, and the filtering part 51 is provided with a sealing door 511.

The third shell can use Q235 steel plate, and the surface of the third shell is sprayed with pure polyester molding powder; the filter unit 51 has differential pressure detection at both ends.

In some embodiments, the omission equipment 53 comprises a scanning probe, a sliding block, a screw rod and a coupling, adopts line scanning, and has the same width as the air outlet surface of the filter, and the sampling port is linear. When the device is used, the leak detection operation of the whole filter can be completed only by reciprocating from left to right once, the whole scanning device is simple and quick, and the internal air flow is stable.

The operation principle of the leak detection mechanism 53 is known in the art, and will not be described in detail herein for the sake of brevity.

In some embodiments, a third sealing valve is disposed between the third air inlet 54 and the filtering portion 51.

An embodiment of the second aspect of the present utility model is to provide a tent biosafety laboratory, where the tent biosafety laboratory provided by the embodiment of the second aspect of the present utility model includes the air conditioning system described above.

The tent biosafety laboratory provided by the second aspect of the utility model has the air conditioning system provided by the embodiment of the first aspect of the utility model, thereby having all the advantages of the air conditioning system provided by the embodiment of the first aspect of the utility model.

In some embodiments, the air conditioning system is configured in a plurality, and the plurality of air conditioning systems are disposed independently of one another. Taking fig. 1 as an example for specific illustration, the tent biosafety laboratory is configured with two air conditioning systems, which respectively supply air and exhaust air to two areas of the laboratory.

The tent biosafety laboratory may further include a central control system connected to each air conditioning system, the central control system being configured to control the air intake of the air supply filter device 1 and the air exhaust of the air exhaust filter assembly 5 in each air conditioning system.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. An air conditioning system is characterized by comprising an air supply filter device (1), a cooling and heating adjusting device (2), a first filter assembly (3), a second filter assembly (4) and an exhaust filter assembly (5);

The air supply filtering device (1) is communicated with the cooling and heating adjusting device (2), and the air supply filtering device (1) is used for performing three-stage filtering on external air and guiding the external air to the cooling and heating adjusting device (2);

the cooling and heating adjusting device (2) is communicated with the first filtering component (3) through a main air inlet pipe (6), the first filtering component (3) is connected with a plurality of exhaust pipes (7) which are arranged at intervals, and each exhaust pipe (7) is used for extending into each sealing area (8) in the tent body in a one-to-one correspondence manner;

The second filter assembly (4) is used for being communicated with each sealing area (8), the exhaust filter assembly (5) is communicated with the second filter assembly (4) through a main exhaust pipe (9), and the exhaust filter assembly (5) is used for filtering air exhausted by the second filter assembly (4) and exhausting the air outdoors.

2. The air conditioning system according to claim 1, wherein the air supply filtering device (1) comprises a first housing (11), a primary filter, a medium efficiency filter, a high efficiency filter and a first fan (12);

The two ends of the first shell (11) are respectively provided with a first air inlet (111) and a first air outlet (112), and the first air outlet (112) is communicated with the cooling and heating regulating equipment (2);

The primary filter, the intermediate filter and the high-efficiency filter are sequentially arranged in the first shell (11) along the air inlet direction so as to perform three-stage filtration on the outside air;

The first fan (12) is installed in the first shell (11), the air inlet end of the first fan (12) is communicated with the efficient filter, and the air outlet end of the first fan (12) is communicated with the first air outlet (112).

3. An air conditioning system according to claim 2, characterized in that a first sealing valve (13) for adjusting the opening and closing of the first air outlet (112) is installed at the first air outlet (112).

4. The air conditioning system according to claim 1, characterized in that the cooling and heating conditioning device (2) comprises a second housing (21), a compressor (22), a heat exchanger (23) and a heat dissipating assembly (24);

Two ends of the second shell (21) are respectively provided with a second air inlet (211) and a second air outlet (212), the second air inlet (211) is communicated with the air supply filtering equipment (1), and the second air outlet (212) is communicated with the main air inlet pipe (6);

the compressor (22) and the heat exchanger (23) are arranged in the second housing (21), and the compressor (22) is communicated with the heat exchanger (23);

The heat dissipation assembly (24) is mounted on top of the second housing (21).

5. An air conditioning system according to claim 1, characterized in that the first filter assembly (3) comprises a plurality of first filters (31) and the second filter assembly (4) comprises a plurality of second filters (41);

Each first filter (31) is connected to the main air inlet pipe (6) at intervals, each first air outlet of each first filter (31) is connected with one exhaust pipe (7), and a plurality of first air holes are formed in each exhaust pipe (7);

The second filters (41) are connected to the main exhaust pipe (9) at intervals, and the first air inlets (411) of the second filters (41) are communicated with the sealing areas (8) in a one-to-one correspondence mode.

6. An air conditioning system according to claim 5, characterized in that in the second filter assembly (4):

The first air inlet (411) of at least one second filter (41) is connected with an air inlet pipe (10), a plurality of second air holes are formed in the air inlet pipe (10), and the air inlet pipe (10) is used for extending into the sealing area (8) corresponding to the second filter (41) connected with the air inlet pipe.

7. The air conditioning system according to claim 6, wherein each of the first filter (31) and each of the second filters (41) includes a sealing assembly (412), a duct (413), a second sealing valve (414), and a filter box body (415);

One end of the air duct (413) is connected with the sealing component (412), the sealing component (412) is used for clamping the lining of the tent at the edge of the air duct (413), the other end of the air duct (413) is connected with one end of the second airtight valve (414), and the other end of the second airtight valve (414) is connected with the filtering box body (415);

A plurality of pieces of glass fiber filter paper are arranged in the filter box body (415), and a plurality of V-shaped filter pleat channels which are arranged side by side are formed between any two adjacent pieces of glass fiber filter paper.

8. The air conditioning system according to claim 1, characterized in that the exhaust air filtering assembly (5) comprises a third housing, a filtering portion (51), a second fan (52) and a leak detection mechanism (53);

The two ends of the third shell are respectively provided with a third air inlet (54) and a third air outlet (55), and the third air inlet (54) is communicated with the main exhaust pipe (9);

The filtering part (51) and the second fan (52) are both arranged in the third shell, the air inlet end of the second fan (52) is communicated with the filtering part (51), and the air outlet end of the second fan (52) is communicated with the third air outlet (55);

The omission-detecting mechanism (53) is mounted on the third shell, and the omission-detecting mechanism (53) is used for performing omission detection on the filtering part (51).

9. A tent biosafety laboratory comprising an air conditioning system according to any one of claims 1-8.

10. The tent biosafety laboratory of claim 9, wherein the air conditioning system is configured in a plurality of, the plurality of air conditioning systems being disposed independently of one another, the tent biosafety laboratory further comprising a central control system coupled to each of the air conditioning systems, the central control system for controlling an intake and an exhaust of each of the air conditioning systems.