Detection system for cigarette smoke aerosol
By designing a cigarette smoke aerosol detection system, the problems of complex aerosol particle size measurement methods and difficulties in real-time monitoring in existing technologies have been solved, realizing accurate and rapid detection of aerosol particle size and reducing detection costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JILIN TOBACCO IND CO LTD
- Filing Date
- 2025-06-04
- Publication Date
- 2026-05-15
AI Technical Summary
Existing aerosol particle size measurement methods require complex sample pretreatment, which leads to changes in composition and physicochemical properties, affecting measurement accuracy. Furthermore, they cannot achieve real-time monitoring, impacting data timeliness.
A cigarette smoke aerosol detection system was designed, including a generator, a test chamber, a temperature and humidity control unit, a stirring device, a detector, etc. By controlling the temperature and humidity, the system can achieve real-time monitoring and accurate detection of aerosols.
It improves the accuracy and reliability of aerosol particle size detection, simplifies the operation process, reduces detection costs, and provides a fast and efficient detection method.
Smart Images
Figure CN224247543U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of flue gas testing, specifically to a detection system for cigarette smoke aerosols. Background Technology
[0002] Cigarette smoking is a complex process in which tobacco burns and releases aerosols. The tobacco in cigarettes undergoes combustion, pyrolysis, distillation, and condensation to form aerosols. The original particle size characteristics of the aerosols affect the smoker's smoking experience, and the original particle size of cigarette aerosols is of great significance for understanding the distribution and characteristics of harmful substances produced during cigarette combustion.
[0003] In existing technologies, methods for measuring aerosol particle size require complex sample pretreatment. During this process, the composition and physicochemical properties of the aerosol sample may change, affecting the accuracy of particle size measurement. Furthermore, these methods are cumbersome and not conducive to rapid and efficient detection and analysis. Since the particle size of aerosols fluctuates with time and combustion conditions during cigarette combustion, existing measurement methods cannot achieve real-time monitoring, affecting the timeliness of the data. Utility Model Content
[0004] To address at least one aspect of the aforementioned problems, this utility model provides a detection system for cigarette smoke aerosol, comprising a generating device, a test chamber, a first stirring device, a first temperature control unit, a first humidity control unit, a transmission pipe, a second temperature control unit, a second humidity control unit, a first drive pump, an air supply pipe, a flow control device, a dilution chamber, a second stirring device, a third temperature control unit, a third humidity control unit, a detector, and a controller. The generating device heats cigarette smoke to generate aerosol and delivers the aerosol to the test chamber. The first interface of the test chamber is connected to the air outlet of the generating device. The first stirring device is installed inside the test chamber to circulate the airflow within the chamber. The first temperature control unit is connected to the test chamber to control the temperature and humidity within the chamber. The air inlet of the transmission pipe is connected to the second interface of the test chamber, and the air outlet of the transmission pipe is connected to the air inlet of the dilution chamber. The second temperature control unit is connected to the transmission pipe to control the temperature and humidity within the pipe. The first drive pump is connected to the transmission pipe to deliver the aerosol to the test chamber. The aerosol in the test chamber is transferred to the dilution chamber via a transfer pipe; the outlet of the air supply pipe is connected to the transfer pipe to supply synthetic air into the transfer pipe; a flow control device is installed on the air supply pipe to control the flow rate of synthetic air supplied into the transfer pipe; a second stirring device is installed in the dilution chamber to circulate the airflow within the dilution chamber; a third temperature control unit is connected to the dilution chamber to control the temperature within the dilution chamber; a third humidity control unit is connected to the dilution chamber to control the humidity within the dilution chamber; a detector is connected to the dilution chamber to detect the aerosol in the dilution chamber; the controller is communicatively connected to the generator, the first stirring device, the first temperature control unit, the first humidity control unit, the second temperature control unit, the second humidity control unit, the first drive pump, the flow control device, the second stirring device, the third temperature control unit, the third humidity control unit, and the detector, respectively, to control the operation of the generator, the first stirring device, the first temperature control unit, the first humidity control unit, the second temperature control unit, the second humidity control unit, the first drive pump, the flow control device, the second stirring device, the third temperature control unit, the third humidity control unit, and the detector.
[0005] Preferably, the test chamber has two first interfaces; the generating device includes a smoking unit, a mainstream smoke collection unit, a side-flow smoke collection unit, a first delivery pipe, a second delivery pipe, a first control valve, and a second control valve; the smoking unit is used to smoke cigarettes; the mainstream smoke collection unit is connected to the smoking unit and is used to collect the mainstream smoke of cigarettes; the inlet of the first delivery pipe is connected to the mainstream smoke collection unit, and the outlet of the first delivery pipe is connected to one of the first interfaces of the test chamber; the first control valve is connected to the first delivery pipe and is used to control the flow of gas in the first delivery pipe; the side-flow smoke collection unit is connected to the smoking unit and is used to collect the side-flow smoke of cigarettes; the inlet of the second delivery pipe is connected to the side-flow smoke collection unit, and the outlet of the second delivery pipe is connected to the other first interface of the test chamber; the second control valve is connected to the second delivery pipe and is used to control the flow of gas in the second delivery pipe; the smoking unit, the first control valve, and the second control valve are all connected to a controller.
[0006] Preferably, it further includes a second drive pump and a first exhaust pipe; the air inlet of the first exhaust pipe is connected to the third interface of the test chamber; the second drive pump is connected to the first exhaust pipe and is used to discharge the gas in the test chamber through the first exhaust pipe; the second drive pump is communicatively connected to the controller.
[0007] Preferably, it further includes a third drive pump, a second exhaust pipe, a purification box, and a return pipe; the inlet of the second exhaust pipe is connected to the fourth interface of the test chamber, and the outlet of the second exhaust pipe is connected to the inlet of the purification box; the third drive pump is connected to the second exhaust pipe and is used to input the gas in the test chamber into the purification box, and the third drive pump is communicatively connected to the controller; the purification box is filled with filter material, the inlet of the return pipe is connected to the outlet of the purification box, and the outlet of the return pipe is connected to the fifth interface of the test chamber.
[0008] Preferably, the first, second, and third temperature control units each include a temperature sensor, a heating device, and a cooling device. The temperature sensor of the first temperature control unit is installed inside the test chamber to detect the temperature inside the test chamber. The heating and cooling devices of the first temperature control unit are both connected to the test chamber and are used for heating and cooling the test chamber, respectively. The temperature sensor of the second temperature control unit is installed inside the transmission pipe to detect the temperature inside the transmission pipe. The heating and cooling devices of the second temperature control unit are both connected to the transmission pipe and are used for heating and cooling the transmission pipe, respectively. The temperature sensor of the third temperature control unit is installed inside the dilution chamber to detect the temperature inside the dilution chamber. The heating and cooling devices of the third temperature control unit are both connected to the dilution chamber and are used for heating and cooling the dilution chamber, respectively. The temperature sensor, heating device, and cooling device of the first, second, and third temperature control units are all communicatively connected to the controller.
[0009] Preferably, the first humidity control unit, the second humidity control unit, and the third humidity control unit each include a humidity sensor, a humidification device, and a dehumidification device; the humidity sensor of the first humidity control unit is installed inside the test chamber to detect the humidity inside the test chamber, and the humidification device and dehumidification device of the first humidity control unit are both connected to the test chamber and are used to humidify and dehumidify the test chamber, respectively; the humidity sensor of the second humidity control unit is installed inside the transmission tube to detect the humidity inside the transmission tube, and the humidification device and dehumidification device of the second humidity control unit are both connected to the transmission tube and are used to humidify and dehumidify the transmission tube, respectively; the humidity sensor of the third humidity control unit is installed inside the dilution chamber to detect the humidity inside the dilution chamber, and the humidification device and dehumidification device of the third humidity control unit are both connected to the dilution chamber and are used to humidify and dehumidify the dilution chamber, respectively; the humidity sensor, humidification device, and dehumidification device of the first humidity control unit, the second humidity control unit, and the third humidity control unit are all communicatively connected to the controller.
[0010] Preferably, both the first stirring device and the second stirring device are fans.
[0011] Preferably, the first stirring device and the second stirring device are respectively connected to the middle area of the top surface of the test chamber and the middle area of the top surface of the dilution chamber.
[0012] Preferably, it also includes a display screen; the display screen is used to input control commands and display detection results; the display screen is communicatively connected to the controller.
[0013] Preferably, the detector is a particle size spectrometer.
[0014] The present invention provides a detection system for cigarette smoke aerosols, which has the following beneficial effects:
[0015] (1) The detection system of this application has little interference with the original state of cigarette smoke aerosols and can truly reflect the original particle size characteristics of cigarette aerosols, which helps to improve the accuracy and reliability of detection data and provide valuable data support for subsequent tobacco research.
[0016] (2) The detection system of this application has a simple structure and is easy to operate, which is conducive to improving detection efficiency and reducing detection costs. Attached Figure Description
[0017] To better understand the above and other objects, features, advantages, and functions of this utility model, reference can be made to the embodiments shown in the accompanying drawings. The same reference numerals in the drawings refer to the same parts. Those skilled in the art should understand that the drawings are intended to schematically illustrate preferred embodiments of this utility model and do not limit the scope of this utility model in any way; the parts in the drawings are not drawn to scale.
[0018] Figure 1 A structural block diagram of a cigarette smoke aerosol detection system according to an embodiment of the present invention is shown.
[0019] Explanation of reference numerals in the attached figures:
[0020] 1. Generating device; 101. Smoke-producing unit; 102. Mainstream smoke collection unit; 103. Sidestream smoke collection unit; 104. First delivery pipe; 105. Second delivery pipe; 106. First control valve; 107. Second control valve; 2. Test chamber; 3. First stirring device; 4. First temperature control unit; 5. First humidity control unit; 6. Transmission pipe; 7. Second temperature control unit; 8. Second humidity control unit; 9. First drive pump; 10. Gas supply pipe; 11. Flow control device; 12. Dilution chamber; 13. Second stirring device; 14. Third temperature control unit; 15. Third humidity control unit; 16. Detector; 17. Controller; 18. Second drive pump; 19. First exhaust pipe; 20. Third drive pump; 21. Second exhaust pipe; 22. Purification box; 23. Return pipe; 24. Display screen. Detailed Implementation
[0021] The exemplary embodiments of this disclosure are described below with reference to the accompanying drawings, including various details of the embodiments to aid understanding, and should be considered merely exemplary. Therefore, those skilled in the art will recognize that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of this disclosure. Similarly, for clarity and brevity, descriptions of well-known functions and structures are omitted in the following description.
[0022] The term "comprising" and its variations as used herein signify open inclusion, i.e., "including but not limited to". Unless otherwise stated, the term "or" means "and / or". The term "based on" means "at least partially based on". The terms "one example embodiment" and "one embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first", "second", etc., may refer to different or the same objects. Other explicit and implicit definitions may also be included below.
[0023] To at least partially address one or more of the aforementioned problems and other potential issues, embodiments of this disclosure provide a detection system for cigarette smoke aerosols, such as... Figure 1 As shown, it includes a generating device 1, a test chamber 2, a first stirring device 3, a first temperature control unit 4, a first humidity control unit 5, a transmission pipe 6, a second temperature control unit 7, a second humidity control unit 8, a first drive pump 9, an air supply pipe 10, a flow control device 11, a dilution chamber 12, a second stirring device 13, a third temperature control unit 14, a third humidity control unit 15, a detector 16, and a controller 17.
[0024] Generating device 1 is used to heat cigarettes to generate aerosol and deliver the aerosol to test chamber 2. The first interface of test chamber 2 is connected to the outlet of generating device 1. In a preferred embodiment, test chamber 2 has two first interfaces. Generating device 1 includes a smoking unit 101, a mainstream smoke collection unit 102, a sideflow smoke collection unit 103, a first delivery pipe 104, a second delivery pipe 105, a first control valve 106, and a second control valve 107. Smoking unit 101 is used to smoke cigarettes. Mainstream smoke collection unit 102 is connected to smoking unit 101 and is used to collect mainstream smoke from cigarettes. The inlet of the first delivery pipe 104 is connected to the mainstream smoke collection unit 102, and the outlet of the first delivery pipe 104 is connected to the mainstream smoke collection unit 102. The first control valve 106 is connected to one of the first interfaces of the test chamber 2, and is connected to the first delivery pipe 104 to control the flow of gas in the first delivery pipe 104. The side-flow smoke collection unit 103 is connected to the smoking unit 101 to collect the side-flow smoke of the cigarette. The inlet of the second delivery pipe 105 is connected to the side-flow smoke collection unit 103, and the outlet of the second delivery pipe 105 is connected to the other first interface of the test chamber 2. The second control valve 107 is connected to the second delivery pipe 105 to control the flow of gas in the second delivery pipe 105. In a specific embodiment, the generating device 1 can be selected as a smoking machine with side-flow smoke collection function in the prior art. The outlet of the main smoke channel and the outlet of the side-flow smoke channel of the smoking machine are respectively connected to the two first interfaces of the test chamber 2, and then the first control valve 106 and the second control valve 107 are respectively connected to the main smoke channel and the side-flow smoke channel.
[0025] A first stirring device 3 is installed inside the test chamber 2 to circulate airflow within the chamber. Preferably, the first stirring device 3 is a fan, and it is connected to the central area of the top surface inside the test chamber 2. A first temperature control unit 4 is connected to the test chamber 2 to control the temperature within the chamber. Specifically, the first temperature control unit 4 includes a temperature sensor, a heating device, and a cooling device. The temperature sensor is installed inside the test chamber 2 to detect the temperature. The heating and cooling devices are both connected to the test chamber 2 and are used for heating and cooling, respectively. A first humidity control unit 5 is connected to the test chamber 2 to control the humidity within the chamber. Specifically, the first humidity control unit 5 includes a humidity sensor, a humidifying device, and a dehumidifying device. The humidity sensor is installed inside the test chamber 2 to detect the humidity. The humidifying and dehumidifying devices are both connected to the test chamber 2 and are used for humidifying and dehumidifying, respectively.
[0026] In a preferred embodiment, the detection system of this application further includes a second drive pump 18 and a first exhaust pipe 19; the inlet of the first exhaust pipe 19 is connected to the third interface of the test chamber 2; the second drive pump 18 is connected to the first exhaust pipe 19 and is used to discharge the gas in the test chamber 2 through the first exhaust pipe 19. More preferably, the detection system of this application further includes a third drive pump 20, a second exhaust pipe 21, a purification box 22, and a return pipe 23; the inlet of the second exhaust pipe 21 is connected to the fourth interface of the test chamber 2, and the outlet of the second exhaust pipe 21 is connected to the inlet of the purification box 22; the third drive pump 20 is connected to the second exhaust pipe 21 and is used to input the gas in the test chamber 2 into the purification box 22; the purification box 22 is filled with filter material, the inlet of the return pipe 23 is connected to the outlet of the purification box 22, and the outlet of the return pipe 23 is connected to the fifth interface of the test chamber 2.
[0027] The air inlet of the transmission pipe 6 is connected to the second interface of the test chamber 2, and the air outlet of the transmission pipe 6 is connected to the air inlet of the dilution chamber 12. A second temperature control unit 7 is connected to the transmission pipe 6 and is used to control the temperature inside the transmission pipe 6. Specifically, the second temperature control unit 7 includes a temperature sensor, a heating device, and a cooling device. The temperature sensor of the second temperature control unit 7 is installed inside the transmission pipe 6 to detect the temperature inside the transmission pipe 6. The heating device and the cooling device of the second temperature control unit 7 are both connected to the transmission pipe 6 and are used to heat and cool the transmission pipe 6, respectively. A second humidity control unit 8 is connected to the transmission pipe 6 and is used to control the humidity inside the transmission pipe 6. Specifically, the second humidity control unit 8 includes a humidity sensor, a humidification device, and a dehumidification device. The humidity sensor of the second humidity control unit 8 is installed inside the transmission pipe 6 to detect the humidity inside the transmission pipe 6. The humidification device and the dehumidification device of the second humidity control unit 8 are both connected to the transmission pipe 6 and are used to humidify and dehumidify the transmission pipe 6, respectively. The first drive pump 9 is preferably a diaphragm pump. The first drive pump 9 is connected to the transmission pipe 6 and is used to transfer the aerosol in the test chamber 2 to the dilution chamber 12 through the transmission pipe 6. The outlet of the air supply pipe 10 is connected to the transmission pipe 6 for supplying synthetic air into the transmission pipe 6; the flow control device 11 is installed on the air supply pipe 10 for controlling the flow rate of synthetic air supplied into the transmission pipe 6.
[0028] The second stirring device 13 is installed inside the dilution chamber 12 to circulate the airflow within the chamber. Preferably, the second stirring device 13 is a fan, and it is connected to the central area of the top surface inside the dilution chamber 12. The third temperature control unit 14 is connected to the dilution chamber 12 to control the temperature within it. Specifically, the third temperature control unit 14 includes a temperature sensor, a heating device, and a cooling device. The temperature sensor is installed inside the dilution chamber 12 to detect the temperature. The heating and cooling devices are both connected to the dilution chamber 12 and are used for heating and cooling, respectively. The third humidity control unit 15 is connected to the dilution chamber 12 to control the humidity within it. Specifically, the third humidity control unit 15 includes a humidity sensor, a humidification device, and a dehumidification device. The humidity sensor is installed inside the dilution chamber 12 to detect the humidity. The humidification and dehumidification devices are both connected to the dilution chamber 12 and are used for humidifying and dehumidifying, respectively.
[0029] The detector 16 is preferably a particle size analyzer. The detector 16 is connected to the dilution chamber 12 and is used to detect aerosols in the dilution chamber 12.
[0030] The controller 17 is communicatively connected to the smoke unit of the generator 1, the first control valve and the second control valve, the first stirring device 3, the temperature sensor, heating device and cooling device of the first temperature control unit 4, the humidity sensor, humidifying device and dehumidifying device of the first humidity control unit 5, the temperature sensor, heating device and cooling device of the second temperature control unit 7, the humidity sensor, humidifying device and dehumidifying device of the second humidity control unit 8, the first drive pump 9, the second drive pump 18, the third drive pump 20, the flow control device 11, the second stirring device 13, the temperature sensor, heating device and cooling device of the third temperature control unit 14, the humidity sensor, humidifying device and dehumidifying device of the third humidity control unit 15, and the detector 16. It is used to control the operation of the generator 1, the first stirring device 3, the first temperature control unit 4, the first humidity control unit 5, the second temperature control unit 7, the second humidity control unit 8, the first drive pump 9, the second drive pump 18, the third drive pump 20, the flow control device 11, the second stirring device 13, the third temperature control unit 14, the third humidity control unit 15 and the detector 16, for example, to control their opening and closing.
[0031] In a preferred embodiment, the detection system of this application further includes a display screen 24; the display screen 24 is used to input control commands and display detection results; the display screen 24 is communicatively connected to the controller 17, and the controller 17 controls the operation of the generator 1, the first stirring device 3, the first temperature control unit 4, the first humidity control unit 5, the second temperature control unit 7, the second humidity control unit 8, the first drive pump 9, the second drive pump 18, the third drive pump 20, the flow control device 11, the second stirring device 13, the third temperature control unit 14, the third humidity control unit 15 and the detector 16 according to the input control commands.
[0032] The various embodiments of this disclosure have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles, practical application, or technical improvements to the embodiments in the market, or to enable others skilled in the art to understand this document.
Claims
1. A detection system for cigarette smoke aerosols, characterized in that: It includes a generating device (1), a test chamber (2), a first stirring device (3), a first temperature control unit (4), a first humidity control unit (5), a transmission pipe (6), a second temperature control unit (7), a second humidity control unit (8), a first drive pump (9), an air supply pipe (10), a flow control device (11), a dilution chamber (12), a second stirring device (13), a third temperature control unit (14), a third humidity control unit (15), a detector (16), and a controller (17); The generating device (1) is used to heat cigarettes to generate aerosols and deliver the aerosols to the test chamber (2); The first interface of the test chamber (2) is connected to the air outlet of the generating device (1); The first stirring device (3) is installed inside the test chamber (2) to circulate the airflow inside the test chamber (2); The first temperature control unit (4) is connected to the test chamber (2) and is used to control the temperature inside the test chamber (2); The first humidity control unit (5) is connected to the test chamber (2) and is used to control the humidity inside the test chamber (2); The air inlet of the transmission pipe (6) is connected to the second interface of the test chamber (2), and the air outlet of the transmission pipe (6) is connected to the air inlet of the dilution chamber (12). The second temperature control unit (7) is connected to the transmission tube (6) and is used to control the temperature inside the transmission tube (6); The second humidity control unit (8) is connected to the transmission pipe (6) and is used to control the humidity inside the transmission pipe (6); The first drive pump (9) is connected to the transfer pipe (6) and is used to transfer the aerosol in the test chamber (2) to the dilution chamber (12) through the transfer pipe (6); The outlet of the air supply pipe (10) is connected to the transmission pipe (6) for supplying synthetic air into the transmission pipe (6); A flow control device (11) is installed on the air supply pipe (10) to control the flow rate of synthetic air supplied into the transmission pipe (6); The second stirring device (13) is installed inside the dilution chamber (12) to circulate the airflow inside the dilution chamber (12); The third temperature control unit (14) is connected to the dilution chamber (12) and is used to control the temperature inside the dilution chamber (12); The third humidity control unit (15) is connected to the dilution chamber (12) and is used to control the humidity inside the dilution chamber (12); The detector (16) is connected to the dilution chamber (12) and is used to detect aerosols in the dilution chamber (12); The controller (17) is communicatively connected to the generator (1), the first stirring device (3), the first temperature control unit (4), the first humidity control unit (5), the second temperature control unit (7), the second humidity control unit (8), the first drive pump (9), the flow control device (11), the second stirring device (13), the third temperature control unit (14), the third humidity control unit (15), and the detector (16), and is used to control the operation of the generator (1), the first stirring device (3), the first temperature control unit (4), the first humidity control unit (5), the second temperature control unit (7), the second humidity control unit (8), the first drive pump (9), the flow control device (11), the second stirring device (13), the third temperature control unit (14), the third humidity control unit (15), and the detector (16), respectively.
2. The detection system for cigarette smoke aerosol according to claim 1, characterized in that: The test chamber (2) has two first interfaces; the generating device (1) includes a smoking unit (101), a mainstream smoke collection unit (102), a side-flow smoke collection unit (103), a first delivery pipe (104), a second delivery pipe (105), a first control valve (106), and a second control valve (107); the smoking unit (101) is used to smoke cigarettes; the mainstream smoke collection unit (102) is connected to the smoking unit and is used to collect the mainstream smoke of cigarettes; the inlet of the first delivery pipe (104) is connected to the mainstream smoke collection unit (102), and the outlet of the first delivery pipe (104) is connected to one of the first interfaces of the test chamber (2); the first control valve (106) is connected to the first conveying pipe (104) and is used to control the flow of gas in the first conveying pipe (104); the side flow smoke collection unit (103) is connected to the smoking unit (101) and is used to collect the side flow smoke of the cigarette; the inlet of the second conveying pipe (105) is connected to the side flow smoke collection unit (103); the outlet of the second conveying pipe (105) is connected to another first interface of the test chamber (2); the second control valve (107) is connected to the second conveying pipe (105) and is used to control the flow of gas in the second conveying pipe (105); the smoking unit (101), the first control valve (106) and the second control valve (107) are all connected to the controller (17).
3. The detection system for cigarette smoke aerosol according to claim 1, characterized in that: It also includes a second drive pump (18) and a first exhaust pipe (19); the air inlet of the first exhaust pipe (19) is connected to the third interface of the test chamber (2); the second drive pump (18) is connected to the first exhaust pipe (19) and is used to discharge the gas in the test chamber (2) through the first exhaust pipe (19); the second drive pump (18) is communicatively connected to the controller (17).
4. The detection system for cigarette smoke aerosol according to claim 1 or 3, characterized in that: It also includes a third drive pump (20), a second exhaust pipe (21), a purification box (22), and a return pipe (23); the inlet of the second exhaust pipe (21) is connected to the fourth interface of the test chamber (2), and the outlet of the second exhaust pipe (21) is connected to the inlet of the purification box (22); the third drive pump (20) is connected to the second exhaust pipe (21) and is used to input the gas in the test chamber (2) into the purification box (22); the third drive pump (20) is connected to the controller (17); the purification box (22) is filled with filter, the inlet of the return pipe (23) is connected to the outlet of the purification box (22), and the outlet of the return pipe (23) is connected to the fifth interface of the test chamber (2).
5. The detection system for cigarette smoke aerosol according to claim 1, characterized in that: The first temperature control unit (4), the second temperature control unit (7), and the third temperature control unit (14) all include a temperature sensor, a heating device, and a cooling device. The temperature sensor of the first temperature control unit (4) is installed inside the test chamber (2) to detect the temperature inside the test chamber (2). The heating device and the cooling device of the first temperature control unit (4) are both connected to the test chamber (2) and are used to heat and cool the test chamber (2) respectively. The temperature sensor of the second temperature control unit (7) is installed inside the transmission pipe (6) to detect the temperature inside the transmission pipe (6). The heating device and the cooling device of the second temperature control unit (7) are both connected to the transmission pipe (6). (6) Connected to heat and cool the transmission tube (6) respectively; the temperature sensor of the third temperature control unit (14) is installed in the dilution chamber (12) to detect the temperature in the dilution chamber (12). The heating and cooling devices of the third temperature control unit (14) are connected to the dilution chamber (12) respectively to heat and cool the dilution chamber (12); the temperature sensor, heating device, and cooling device of the first temperature control unit (4), the temperature sensor, heating device, and cooling device of the second temperature control unit (7), and the temperature sensor, heating device, and cooling device of the third temperature control unit (14) are all connected to the controller (17) in communication.
6. The detection system for cigarette smoke aerosol according to claim 1, characterized in that: The first humidity control unit (5), the second humidity control unit (8), and the third humidity control unit (15) all include a humidity sensor, a humidification device, and a dehumidification device; the humidity sensor of the first humidity control unit (5) is installed inside the test chamber (2) to detect the humidity inside the test chamber (2), and the humidification device and dehumidification device of the first humidity control unit (5) are both connected to the test chamber (2) to humidify and dehumidify the test chamber (2) respectively; the humidity sensor of the second humidity control unit (8) is installed inside the transmission pipe (6) to detect the humidity inside the transmission pipe (6), and the humidification device and dehumidification device of the second humidity control unit (8) are both connected to the transmission pipe (6) to detect the humidity inside the transmission pipe (6). 6) Connected to humidify and dehumidify the transmission tube (6) respectively; the humidity sensor of the third humidity control unit (15) is installed in the dilution chamber (12) to detect the humidity in the dilution chamber (12); the humidification device and dehumidification device of the third humidity control unit (15) are connected to the dilution chamber (12) respectively to humidify and dehumidify the dilution chamber (12); the humidity sensor, humidification device and dehumidification device of the first humidity control unit (5), the humidity sensor, humidification device and dehumidification device of the second humidity control unit (8) and the humidity sensor, humidification device and dehumidification device of the third humidity control unit (15) are all connected to the controller (17) for communication.
7. The detection system for cigarette smoke aerosol according to claim 1, characterized in that: Both the first stirring device (3) and the second stirring device (13) are fans.
8. The detection system for cigarette smoke aerosol according to claim 7, characterized in that: The first stirring device (3) and the second stirring device (13) are respectively connected to the middle area of the top surface of the test chamber (2) and the middle area of the top surface of the dilution chamber (12).
9. The detection system for cigarette smoke aerosol according to claim 1, characterized in that: It also includes a display screen (24); the display screen (24) is used to input control commands and display detection results; the display screen (24) is communicatively connected to the controller (17).
10. The detection system for cigarette smoke aerosol according to claim 1, characterized in that: The detector (16) is a particle size spectrometer.