A portable indoor environment pollution detection device

Abstract

The application discloses a portable indoor environment pollution detection device, and relates to the technical field of environmental protection. The device comprises a connecting table, a cylinder fixedly connected to the bottom of the connecting table, a stable wall rotatably connected between the connecting table and the cylinder, a sliding cylinder, a moving assembly, a detection assembly, and a black straight adhesive tape. When the sliding cylinder slides downward on the surface of the cylinder, the stable wall expands outward, so that the center of gravity of the device moves downward. The stable wall and the moving assembly keep the device and the ground in a relatively stable state. The detection assembly is arranged above the black straight adhesive tape. The detection assembly emits and receives infrared rays. The moving assembly controls the device to move back and forth along the black adhesive tape, so that the device can move horizontally in the room. The device can detect the formaldehyde content in the same plane layer, and avoids the problem that the indoor formaldehyde flows due to the air flow guided by the fan, so that the detection data is inaccurate.

Description

Technical Field

[0001] This invention relates to the field of environmental protection technology, specifically a portable indoor environmental pollution detection device. Background Technology

[0002] With economic development and the improvement of people's living standards, various raw materials used to make building decoration materials have entered homes. Formaldehyde, a chemical substance, is widely recognized as a representative cause of indoor air pollution. Indoor air quality detectors can simultaneously detect formaldehyde, benzene, toluene, and TVOCs produced by decoration pollution. They enable rapid semi-quantitative on-site detection of formaldehyde in indoor air. The detector features a simple structure, small size, portability, and intuitive detection. It is widely suitable for on-site quantitative and qualitative detection of formaldehyde in homes, indoor spaces, residential areas, and public places. The indoor air detector is a newly developed spectrophotometer that can quickly determine the concentration of formaldehyde in the air on-site. The large LCD screen displays the temperature and humidity environmental conditions, and the gas detection time can be electronically controlled and adjusted. It can automatically stop working after the set time is reached. Summary of the Invention

[0003] To address the shortcomings of existing technologies, this invention provides a portable indoor environmental pollution detection device that solves the problems of inaccurate detection data caused by indoor formaldehyde flow due to the use of a fan to guide airflow, and damage caused by high concentrations of formaldehyde airflow impacting the surface of the formaldehyde detector.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a portable indoor environmental pollution detection device, comprising a connecting platform, a cylindrical body fixedly connected to the bottom of the connecting platform, a precision mechanism rotatably connected to the surface of the connecting platform, and an anti-damage mechanism slidably connected to the inner side of the cylindrical body. The precision mechanism includes a sliding cylinder, the inner side of which is slidably connected to the surface of the cylindrical body, a connecting rod rotatably connected to the surface of the sliding cylinder, a stabilizing wall rotatably connected to the end of the connecting rod away from the sliding cylinder, the top end of the stabilizing wall rotatably connected to the surface of the connecting platform, a moving component fixedly connected to the bottom end of the stabilizing wall, and a detection group disposed below the cylindrical body. The device is rotatably connected to the stabilizing wall and the connecting platform. When the sliding cylinder slides downward on the surface of the cylinder, the stabilizing wall expands outward, causing the center of gravity of the device to shift downward. The stabilizing wall and the moving component ensure that the device is in a relatively stable state with respect to the ground. Black straight tape is adhered to the indoor floor, and the detection component is positioned above the black straight tape. The detection component emits and receives infrared rays into and from the tape. The moving component controls the device to move back and forth along the black tape, allowing the device to move horizontally indoors to detect the formaldehyde content within the same plane layer. This avoids the problem of inaccurate detection data caused by the indoor formaldehyde flow due to the use of a fan to guide airflow.

[0005] Preferably, the moving component includes a stabilizing platform, the top of which is fixedly connected to the bottom of the stabilizing wall, and a motor is fixedly connected to the bottom of the stabilizing platform. A rotating cylinder is rotatably connected to the shaft at the output end of the motor.

[0006] Preferably, the motor output shaft is fixedly connected to a roller, the surface of the rotating cylinder is fixedly connected to the bottom of the stable platform, the detection component includes a cylinder, the bottom of the cylinder is fixedly connected to a flared wall, the motor drives the roller to rotate, and the roller moves on the ground through friction, the motor output shaft is rotatably connected to the rotating cylinder, the rotating cylinder makes the motor rotation more stable, the motor input end is electrically connected to the receiver output end, when the infrared emitter outputs infrared light, the black straight tape absorbs the infrared light, reducing the reflection value, the receiver receives the change in the detection value, causing the device to move along the black tape, when it reaches the end of the black tape, the motor is controlled to reverse, so that the device moves back and forth along the black tape, making the detection of indoor formaldehyde content more accurate.

[0007] Preferably, an infrared transmitter is fixedly connected to the middle position of the bottom of the flared wall, and a receiver is fixedly connected to the inner side of the flared wall. The anti-damage mechanism includes a gas control assembly, the top of which is fixedly connected to the bottom of the cylinder.

[0008] Preferably, a lifting assembly is fixedly connected to the inner side of the cylinder, a lifting rod is fixedly connected to the top of the lifting assembly, and a mechanism wall is fixedly connected to the top of the lifting rod. Formaldehyde gas has a relative density of 1.067, slightly greater than the density of air, and generally accumulates at a height of 0.8-1.5 meters above the ground. At this height, the formaldehyde concentration is highest and the detection significance is greatest. The gas control assembly can generate oxygen to expel the formaldehyde inside the mechanism wall. The lifting assembly controls the lifting rod to slide on the inner side of the cylinder, thereby allowing the mechanism wall to move back and forth in a defined vertical direction indoors. When the device moves back and forth horizontally, the cylinder drives the rubber wall to seal the air inlet of the mechanism wall, thereby enabling the formaldehyde detector to detect the static formaldehyde content inside the mechanism wall.

[0009] Preferably, a cylinder and a formaldehyde detector are fixedly connected to the inner side of the mechanism wall, a rubber wall is fixedly connected to the piston rod at the output end of the cylinder, and an air inlet is provided on the surface of the mechanism wall.

[0010] Preferably, the gas control assembly includes a gas control wall, the top of which is fixedly connected to the bottom of the cylinder, and an open wall is fixedly connected to the surface of the cylinder near the gas control wall.

[0011] Preferably, a storage cylinder is fixedly connected to the bottom of the perforated wall, and a rod is slidably connected to the inner side of the storage cylinder. The piston rod at the output end of the cylinder is fixedly connected to the bottom end of the rod. When the heater heats the thermally expanding gel, the thermally expanding gel expands, causing the lifting rod and the mechanism wall to be lifted. The spring allows the lifting rod to return to a certain height. The storage cylinder contains potassium permanganate particles. A dynamic threshold is set for the formaldehyde detector in this device. When the formaldehyde content exceeds the threshold, the rod moves downward, causing the potassium permanganate particles to fall into the gas control wall. The gas control wall contains hydrogen peroxide solution. The mixing of substances generates oxygen. After passing through the perforated wall and the disc, the oxygen impacts the inside of the mechanism wall, thereby expelling the ultra-high concentration of formaldehyde from the mechanism wall and avoiding the problem of high concentration formaldehyde gas impacting the surface of the formaldehyde detector and causing damage.

[0012] Preferably, the lifting assembly includes a disc body, the top of which is fixedly connected to a thermally expanding gel, and the top of the thermally expanding gel is fixedly connected to the bottom end of the lifting rod.

[0013] Preferably, a heater is fixedly connected inside the thermally expanding gel, and a spring is fixedly connected at the middle position of the lifting rod and the opposite side of the disc. Holes are opened on the surface of the disc and the perforated wall. The cylinder and the input end of the cylinder are electrically connected to the output end of the formaldehyde detector. When the dynamic concentration of formaldehyde exceeds the protection threshold, the cylinder control rod squeezes the potassium permanganate particles in the storage cylinder downward. The inside of the gas control wall is filled with hydrogen peroxide solution. The mixing of the substances generates oxygen. After the oxygen passes through the opening of the perforated wall, it impacts the inside of the mechanism wall. At the same time, the cylinder is controlled to contract the rubber wall, and the rubber wall opens to discharge the ultra-high concentration of formaldehyde from the mechanism wall, making the formaldehyde detector more effective.

[0014] This invention provides a portable indoor environmental pollution detection device. It has the following beneficial effects:

[0015] 1. This portable indoor environmental pollution detection device features a rotatable connection between a stable wall and a connecting platform. As the sliding cylinder slides downwards on the surface of the cylinder, the stable wall expands outwards, lowering the device's center of gravity. The stable wall and the moving component ensure a relatively stable relationship between the device and the ground. Black straight tape is adhered to the indoor floor, and the detection component is positioned above the tape. The detection component emits and receives infrared rays into and from the tape. The moving component controls the device to reciprocate along the black tape, allowing the device to move horizontally within the room. This enables the detection of formaldehyde content within the same plane layer, avoiding the problem of inaccurate detection data caused by using a fan to guide airflow and resulting in indoor formaldehyde movement.

[0016] 2. This portable indoor environmental pollution detection device uses a motor to drive a roller to rotate. The roller moves on the ground through friction. The output shaft of the motor is rotatably connected to the rotating cylinder, which makes the motor's rotation smoother. The input end of the motor is electrically connected to the output end of the receiver. When the infrared emitter outputs infrared light, the black straight tape absorbs the infrared light, reducing the reflection value. The receiver receives this change in the detection value, causing the device to move along the black tape. When it reaches the end of the black tape, the motor is controlled to reverse, thus making the device move back and forth along the black tape, making the detection of indoor formaldehyde content more accurate.

[0017] 3. This portable indoor environmental pollution detection device uses formaldehyde gas, which has a relative density of 1.067, slightly higher than the density of air. Formaldehyde typically accumulates at a height of 0.8-1.5 meters above the ground, where its concentration is highest and its detection significance is greatest. The gas control component generates oxygen to expel formaldehyde from the device's interior. The lifting component controls the lifting rod to slide on the inner side of the cylinder, allowing the device's interior to move back and forth at a defined vertical height. As the device moves horizontally back and forth, the cylinder drives the rubber wall to seal the air inlet of the interior, enabling the formaldehyde detector to detect the static formaldehyde content inside the interior.

[0018] 4. In this portable indoor environmental pollution detection device, when the heater heats the thermally expanding gel, the gel expands, causing the lifting rod and the mechanism wall to be raised. The spring allows the lifting rod to return to a predetermined height. The storage cylinder contains potassium permanganate particles. The device sets a dynamic threshold for the formaldehyde detector. When the formaldehyde level exceeds the threshold, the rod moves downward, causing the potassium permanganate particles to fall into the gas control wall. The gas control wall contains hydrogen peroxide solution. The mixing of the substances generates oxygen. After passing through the perforated wall and the disc, the oxygen impacts the interior of the mechanism wall, thereby expelling the extremely high concentration of formaldehyde from the mechanism wall and preventing damage caused by the high concentration of formaldehyde airflow impacting the surface of the formaldehyde detector.

[0019] 5. In this portable indoor environmental pollution detection device, the cylinder and the input end of the cylinder body are electrically connected to the output end of the formaldehyde detector. When the dynamic concentration of formaldehyde exceeds the protection threshold, the cylinder control rod squeezes the potassium permanganate particles in the storage cylinder downwards. The inside of the control wall is filled with hydrogen peroxide solution. The mixing of the substances generates oxygen. After the oxygen passes through the opening of the perforated wall, it impacts the inside of the mechanism wall. At the same time, the cylinder is controlled to contract the rubber wall, and the rubber wall opens to expel the ultra-high concentration of formaldehyde from the mechanism wall, making the formaldehyde detector more effective. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 This is a partial structural schematic diagram of the present invention;

[0022] Figure 3 This is a schematic diagram of the precision mechanism of the present invention;

[0023] Figure 4 This is a schematic diagram of the structure of the moving component of the present invention;

[0024] Figure 5 This is a schematic diagram of the detection component of the present invention;

[0025] Figure 6 This is a schematic diagram of the anti-damage mechanism of the present invention;

[0026] Figure 7 This is a schematic diagram of the gas control component of the present invention;

[0027] Figure 8 This is a schematic diagram of the lifting assembly of the present invention.

[0028] In the diagram: 1. Connecting platform; 2. Cylinder; 3. Precision mechanism; 31. Slide cylinder; 32. Connecting rod; 33. Stabilizing wall; 34. Moving component; 341. Stabilizing platform; 342. Motor; 343. Rotating cylinder; 344. Roller; 35. Detection component; 351. Cylinder; 352. Flared wall; 353. Infrared transmitter; 354. Receiver; 4. Damage prevention mechanism; 41. Gas control component; 411. Gas control wall; 412. Opening wall; 413. Storage cylinder; 414. Rod; 42. Lifting component; 421. Disc; 422. Thermal expansion gel; 423. Spring; 424. Heater; 43. Lifting rod; 44. Mechanism wall; 45. Cylinder; 46. Rubber wall; 47. Formaldehyde detector. Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Example

[0030] like Figures 1-3As shown, the present invention provides a technical solution: a portable indoor environmental pollution detection device, including a connecting platform 1, a cylindrical body 2 fixedly connected to the bottom of the connecting platform 1, a precision mechanism 3 rotatably connected to the surface of the connecting platform 1, an anti-damage mechanism 4 slidably connected to the inner side of the cylindrical body 2, the precision mechanism 3 including a slide cylinder 31, the inner side of the slide cylinder 31 slidably connected to the surface of the cylindrical body 2, a connecting rod 32 rotatably connected to the surface of the slide cylinder 31, a stabilizing wall 33 rotatably connected to the end of the connecting rod 32 away from the slide cylinder 31, the top end of the stabilizing wall 33 rotatably connected to the surface of the connecting platform 1, a moving component 34 fixedly connected to the bottom end of the stabilizing wall 33, and a detection component 35 disposed at the lower position of the cylindrical body 2.

[0031] In use, the stabilizing wall 33 is rotatably connected to the connecting platform 1. When the sliding cylinder 31 slides downward on the surface of the cylinder 2, the stabilizing wall 33 expands outward, causing the center of gravity of the device to shift downward. The stabilizing wall 33 and the moving component 34 make the device relatively stable with respect to the ground. Black straight tape is adhered to the indoor floor, and the detection component 35 is placed above the black straight tape. The detection component 35 emits infrared rays into and receives infrared rays from the tape. The moving component 34 controls the device to move back and forth along the black tape, so that the device can move horizontally indoors to detect the formaldehyde content in the same plane layer. This avoids the problem of inaccurate detection data caused by indoor formaldehyde flow due to the use of a fan to guide airflow. Example

[0032] like Figures 4-5 As shown, the moving component 34 includes a stabilizing platform 341, the top of which is fixedly connected to the bottom of the stabilizing wall 33. A motor 342 is fixedly connected to the bottom of the stabilizing platform 341. A rotating cylinder 343 is rotatably connected to the shaft at the output end of the motor 342. A roller 344 is fixedly connected to the shaft at the output end of the motor 342. The surface of the rotating cylinder 343 is fixedly connected to the bottom of the stabilizing platform 341. The detection component 35 includes a cylinder 351, a flared wall 352 is fixedly connected to the bottom of the cylinder 351. An infrared emitter 353 is fixedly connected to the middle position of the bottom of the flared wall 352. A receiver 354 is fixedly connected to the inner side of the flared wall 352.

[0033] In use, motor 342 drives roller 344 to rotate, and roller 344 moves on the ground through friction. The shaft at the output end of motor 342 is rotatably connected to rotating cylinder 343, which makes the rotation of motor 342 more stable. The input end of motor 342 is electrically connected to the output end of receiver 354. When infrared emitter 353 outputs infrared rays, black straight tape absorbs infrared rays, reducing the reflection value. Receiver 354 receives this change in detection value, causing the device to move along the black tape. When it reaches the end of the black tape, motor 342 is reversed under control, causing the device to move back and forth along the black tape, making the detection of indoor formaldehyde content more accurate. Example

[0034] like Figure 6 As shown, the anti-damage mechanism 4 includes a gas control component 41. The top of the gas control component 41 is fixedly connected to the bottom of the cylinder 2. A lifting component 42 is fixedly connected to the inner side of the cylinder 2. A lifting rod 43 is fixedly connected to the top of the lifting component 42. A mechanism wall 44 is fixedly connected to the top of the lifting rod 43. A cylinder 45 and a formaldehyde detector 47 are fixedly connected to the inner side of the mechanism wall 44 respectively. A rubber wall 46 is fixedly connected to the piston rod at the output end of the cylinder 45. An air inlet is provided on the surface of the mechanism wall 44.

[0035] When in use, the relative density of formaldehyde gas is 1.067, slightly greater than the density of air. It generally accumulates at a height of 0.8-1.5 meters above the ground. At this height, the formaldehyde concentration is the highest and the detection significance is the greatest. The gas control component 41 can generate oxygen to expel the formaldehyde inside the mechanism wall 44. The lifting component 42 controls the lifting rod 43 to slide on the inner side of the cylinder 2, so that the mechanism wall 44 can move back and forth in a certain vertical direction in the room. When the device moves back and forth horizontally, the cylinder 45 drives the rubber wall 46 to seal the air inlet of the mechanism wall 44, so that the formaldehyde detector 47 can detect the static formaldehyde content inside the mechanism wall 44. Example

[0036] like Figures 6-8As shown, a lifting rod 43 is fixedly connected to the top of the lifting assembly 42, and a mechanism wall 44 is fixedly connected to the top of the lifting rod 43. A cylinder 45 and a formaldehyde detector 47 are fixedly connected to the inner side of the mechanism wall 44, respectively. A rubber wall 46 is fixedly connected to the piston rod at the output end of the cylinder 45. An air inlet is provided on the surface of the mechanism wall 44. The air control assembly 41 includes an air control wall 411. The top of the air control wall 411 is fixedly connected to the bottom of the cylinder 2. An opening wall 412 is fixedly connected to the surface of the cylinder 2 near the air control wall 411. A [missing information - likely a device or component] is fixedly connected to the bottom of the opening wall 412. The storage cylinder 413 has a rod 414 slidably connected to its inner side. The piston rod at the output end of the cylinder 351 is fixedly connected to the bottom end of the rod 414. The lifting assembly 42 includes a disc 421. A thermally expanding gel 422 is fixedly connected to the top of the disc 421. The top of the thermally expanding gel 422 is fixedly connected to the bottom end of the lifting rod 43. A heater 424 is fixedly connected inside the thermally expanding gel 422. A spring 423 is fixedly connected to the middle position of the lifting rod 43 and the disc 421. Holes are opened on the surfaces of the disc 421 and the opening wall 412.

[0037] In use, when the heater 424 heats the thermally expanding gel 422, the thermally expanding gel 422 expands, causing the lifting rod 43 and the mechanism wall 44 to be raised. The spring 423 allows the lifting rod 43 to return to a certain height. The storage cylinder 413 is filled with potassium permanganate particles. A dynamic threshold is set for the formaldehyde detector 47 in this device. When the formaldehyde content in the formaldehyde detector 47 exceeds the threshold, the rod 414 moves downward, causing the potassium permanganate particles to fall into the gas control wall 411. The gas control wall 411 is filled with hydrogen peroxide solution. The mixing of substances produces oxygen. After passing through the perforated wall 412 and the disc 421, the oxygen impacts the interior of the mechanism wall 44, thereby expelling the ultra-high concentration of formaldehyde from the mechanism wall 44 and avoiding the problem of high concentration of formaldehyde airflow impacting the surface of the formaldehyde detector 47 and causing damage. Example

[0038] like Figures 5-7As shown, a lifting assembly 42 is fixedly connected to the inner side of the cylinder 2. A lifting rod 43 is fixedly connected to the top of the lifting assembly 42. A mechanism wall 44 is fixedly connected to the top of the lifting rod 43. A cylinder 45 and a formaldehyde detector 47 are fixedly connected to the inner side of the mechanism wall 44. A rubber wall 46 is fixedly connected to the piston rod at the output end of the cylinder 45. An air inlet is provided on the surface of the mechanism wall 44. The detection assembly 35 includes a cylinder 351. A flared wall 352 is fixedly connected to the bottom of the cylinder 351. An infrared transmitter 353 is fixedly connected to the middle of the bottom of the cylinder 352. A receiver 354 is fixedly connected to the inner side of the flared wall 352. The top of the gas control wall 411 is fixedly connected to the bottom of the cylinder 2. An opening wall 412 is fixedly connected to the surface of the cylinder 2 near the gas control wall 411. A storage cylinder 413 is fixedly connected to the bottom of the opening wall 412. A rod 414 is slidably connected to the inner side of the storage cylinder 413. The piston rod at the output end of the cylinder 351 is fixedly connected to the bottom end of the rod 414.

[0039] In use, the input end of cylinder 45 and cylinder body 351 is electrically connected to the output end of formaldehyde detector 47. When the dynamic concentration of formaldehyde exceeds the protection threshold, the control rod 414 of cylinder body 351 presses down on the potassium permanganate particles in storage cylinder 413. The interior of control wall 411 is filled with hydrogen peroxide solution. The mixing of substances generates oxygen. After the oxygen passes through the opening of the perforated wall 412, it impacts the interior of mechanism wall 44. At the same time, cylinder 45 is controlled to contract rubber wall 46, and rubber wall 46 opens to discharge the ultra-high concentration of formaldehyde from mechanism wall 44, making the protection effect of formaldehyde detector 47 better.

[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0041] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A portable indoor environmental pollution detection device, comprising a connecting platform (1), characterized in that: The bottom of the connecting platform (1) is fixedly connected to a cylinder (2), and the surface of the connecting platform (1) is rotatably connected to a precision mechanism (3). The inner side of the cylinder (2) is slidably connected to an anti-damage mechanism (4). The precision mechanism (3) includes a slide cylinder (31). The inner side of the slide cylinder (31) is slidably connected to the surface of the cylinder (2). The surface of the slide cylinder (31) is rotatably connected to a connecting rod (32). The end of the connecting rod (32) away from the slide cylinder (31) is rotatably connected to a stabilizing wall (33). The top end of the stabilizing wall (33) is rotatably connected to the surface of the connecting platform (1). The bottom end of the stabilizing wall (33) is fixedly connected to a moving component (34). A detection component (35) is provided at the lower position of the cylinder (2). The detection component (35) includes a cylinder (351), and a flared wall (352) is fixedly connected to the bottom of the cylinder (351). An infrared transmitter (353) is fixedly connected to the middle of the bottom of the flared wall (352), and a receiver (354) is fixedly connected to the inner side of the flared wall (352). The anti-damage mechanism (4) includes a gas control assembly (41), and the top of the gas control assembly (41) is fixedly connected to the bottom of the cylinder (2). A lifting assembly (42) is fixedly connected to the inner side of the cylinder (2), a lifting rod (43) is fixedly connected to the top of the lifting assembly (42), and a mechanism wall (44) is fixedly connected to the top of the lifting rod (43). The inner side of the mechanism wall (44) is fixedly connected to a cylinder (45) and a formaldehyde detector (47). The piston rod at the output end of the cylinder (45) is fixedly connected to a rubber wall (46). An air inlet is provided on the surface of the mechanism wall (44).

2. The portable indoor environmental pollution detection device according to claim 1, characterized in that: The moving component (34) includes a stabilizing platform (341), the top of which is fixedly connected to the bottom of the stabilizing wall (33), and a motor (342) is fixedly connected to the bottom of the stabilizing platform (341). The rotating shaft at the output end of the motor (342) is rotatably connected to a rotating cylinder (343).

3. The portable indoor environmental pollution detection device according to claim 2, characterized in that: The output shaft of the motor (342) is fixedly connected to a roller (344), and the surface of the rotating cylinder (343) is fixedly connected to the bottom of the stable platform (341).

4. The portable indoor environmental pollution detection device according to claim 1, characterized in that: The gas control assembly (41) includes a gas control wall (411), the top of which is fixedly connected to the bottom of the cylinder (2), and an opening wall (412) is fixedly connected to the surface of the cylinder (2) near the gas control wall (411).

5. A portable indoor environmental pollution detection device according to claim 4, characterized in that: The bottom of the opening wall (412) is fixedly connected to a storage cylinder (413), and a rod (414) is slidably connected to the inner side of the storage cylinder (413). The piston rod at the output end of the cylinder (351) is fixedly connected to the bottom end of the rod (414).

6. A portable indoor environmental pollution detection device according to claim 5, characterized in that: The lifting assembly (42) includes a disc (421), the top of which is fixedly connected to a thermal expansion gel (422), and the top of the thermal expansion gel (422) is fixedly connected to the bottom of the lifting rod (43).

7. A portable indoor environmental pollution detection device according to claim 6, characterized in that: A heater (424) is fixedly connected inside the thermal expansion gel (422), and a spring (423) is fixedly connected at the middle position of the opposite side of the lifting rod (43) and the disc (421). Holes are opened on the surface of the disc (421) and the perforated wall (412).

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