Air quality detection device and method

Abstract

The invention provides an air quality detection device and method, and relates to the technical field of air quality detection. A mounting unit is mounted in the storage unit; an air quality detection unit is mounted on the storage unit and the mounting unit; a multifunctional unit is mounted on the mounting unit, is used for controlling the air velocity during air quality detection, and is also used for automatically cleaning the air quality detection unit; a loss prevention unit is mounted in the storage unit and is used for protecting the mounting unit, the air quality detection unit and the multifunctional unit; according to the device, the hydrogen balloon is automatically retracted, and the mounting bracket, the hydrogen balloon, the air quality detection sensor and the multifunctional unit are prevented from falling off and being damaged; the problem that when the pressure of the hydrogen balloon is reduced or the hydrogen balloon cannot be automatically folded when used in strong wind weather, the detection sensor is prone to damage after the hydrogen balloon falls off is solved.

Description

Technical Field

[0001] The present invention belongs to the technical field of air quality detection, and more specifically, particularly relates to an air quality detection device and method. Background Art

[0002] Air quality testing refers to the testing of the air quality in an area. The quality of air reflects the amount of pollutants in the air. The air quality testing device is used to test the air quality.

[0003] For example, the patent with application number: CN202320486293.3 discloses a floating monitor for detecting polluted gases, including: a floating balloon, a traction rope connected to the traction roller, the other end of the traction rope is connected to the lower end of the floating balloon, an air quality detection device is provided at the lower end of the floating balloon, a signal light is provided at the upper end of the floating balloon, an inflation port is provided on one side of the floating balloon, and a lithium battery pack is provided at the lower end of the floating balloon. The monitor for detecting air pollution while floating uses a hydrogen balloon as a lifting platform, can monitor the air quality 500 meters above the ground, and has an extremely long hovering time, and can continuously detect high-altitude air quality without the need for operator supervision.

[0004] Based on the above, the inventors found that the current air quality detection device still has the following deficiencies: 1. The detection sensor is generally manually cleaned by workers after being folded, and the detection sensor cannot be automatically cleaned during the folding process; 2. When the pressure of the hydrogen balloon becomes smaller or when used in windy weather, it cannot be automatically folded, resulting in the detection sensor being easily damaged after the hydrogen balloon falls; 3. The air flow rate at high altitudes is usually high, and the air flow rate cannot be reduced while ensuring air circulation, resulting in poor air quality detection accuracy. Summary of the invention

[0005] The disclosed embodiments relate to an air quality detection device and method, which have a multifunctional unit and an anti-damage unit; the air in the multifunctional housing is discharged through a circle of cleaning elbows under the action of resistance, which automatically cleans the air quality detection sensor; the automatic retraction of the hydrogen balloon is realized, which avoids the installation bracket, hydrogen balloon, air quality detection sensor and multifunctional unit from falling and being damaged; while ensuring the normal circulation of air, the flow speed of the air is reduced, making the detection result more accurate.

[0006] In a first aspect of the present disclosure, an air quality detection device is provided, which specifically comprises a storage unit; a mounting unit is installed inside the storage unit; an air quality detection unit is installed on the storage unit and the mounting unit; The mounting unit is provided with a multifunctional unit, the multifunctional unit being used to control the air flow rate during air quality detection, and the multifunctional unit being also used to automatically clean the air quality detection unit; An anti-damage unit is installed inside the storage unit, and the anti-damage unit is used to protect the installation unit, the air quality detection unit and the multi-functional unit; The storage unit comprises: a storage shell A, a storage shell B, a carrying handle and a storage box body; The storage shell A is rotatably connected to the rear side of the storage shell B through two sets of hinges, and the front side of the storage shell A is connected to the storage shell B through a lock; the carrying handle is fixedly installed on the front side of the storage shell A; and the storage box body is fixedly installed inside the storage shell A.

[0007] In at least some embodiments, the installation unit includes: a U-shaped storage seat, a circular storage roller, a motor and a V-shaped connecting frame; the U-shaped storage seat is installed inside the storage shell A by screws; the circular storage roller is rotatably installed on the U-shaped storage seat; the motor is fixedly installed on the left side of the U-shaped storage seat, and the output shaft of the motor is fixedly connected to the circular storage roller; the V-shaped connecting frame is welded to the outer wall of the circular storage roller.

[0008] In at least some embodiments, the mounting unit further includes: a nylon rope, a mounting bracket and a hydrogen balloon; the nylon rope is connected to a V-shaped connecting frame; the mounting bracket is fixedly mounted on the top of the nylon rope; the hydrogen balloon is fixedly mounted on the top of the mounting bracket, and an inflation air head is provided on the hydrogen balloon.

[0009] In at least some embodiments, the air quality detection unit includes: a battery, a controller, an air quality detection sensor and a display screen; the battery is fixedly installed inside the storage shell A; the controller is fixedly installed inside the storage shell A, and the controller is electrically connected to the battery; the air quality detection sensor is fixedly installed on the mounting bracket, and the air quality detection sensor is electrically connected to the controller; the display screen is fixedly installed on the storage shell B, and the display screen is electrically connected to the controller, and the display screen is used to display the detection data of the air quality detection sensor.

[0010] In at least some embodiments, the multifunctional unit includes: a connecting ring frame and a multifunctional housing; the connecting ring frame is welded to the mounting bracket; the multifunctional housing is welded to the bottom of the connecting ring frame, and a circle of air circulation holes is opened on the multifunctional housing.

[0011] In at least some embodiments, the multifunctional unit further includes: a flow rate control plate and a cleaning elbow; the flow rate control plate is provided with a circle, and the circle of flow rate control plates is fixedly installed in a circle of air circulation holes, and two circles of air intake holes are respectively opened on the circle of flow rate control plates; the cleaning elbow is provided with a circle, and the circle of cleaning elbow is welded to the top of the multifunctional housing.

[0012] In at least some embodiments, the anti-loss unit includes: an installation support block, an L-shaped movable frame and an arc-shaped detection plate; the installation support block is fixedly installed inside the storage shell A; the L-shaped movable frame is slidably installed on the installation support block, and a limiting groove is provided on the top of the L-shaped movable frame; the arc-shaped detection plate is welded to the left side of the L-shaped movable frame, and the left side of the arc-shaped detection plate is in contact with the nylon rope.

[0013] In at least some embodiments, the anti-loss unit also includes: a line-releasing switch A, a line-reeling switch B and a limit knob; the line-releasing switch A is fixedly installed on the left side of the mounting support block, and the line-releasing switch A is used to control the forward rotation of the motor; the line-reeling switch B is fixedly installed on the right side of the mounting support block, and the line-reeling switch B is used to control the reverse rotation of the motor; the limit knob is threadedly connected to the top of the mounting support block.

[0014] In at least some embodiments, the anti-damage unit also includes: a circular guide rod, a limit retaining ring and a push spring; the circular guide rod is welded to the right side of the mounting support block, and the circular guide rod is also slidably connected to the L-shaped movable frame; the limit retaining ring is welded to the right end of the circular guide rod; the push spring is installed on the outside of the circular guide rod, and the push spring is located between the L-shaped movable frame and the limit retaining ring.

[0015] In at least some embodiments, the air quality detection method is: 1) During the test, open the storage shell B and fill the hydrogen balloon with hydrogen through the inflation head; 2) Press the line release switch A to make the hydrogen balloon slowly float into the sky; 3) Turn the limit knob counterclockwise to separate the limit knob from the limit groove to ensure that the left side of the arc detection plate is in contact with the nylon rope; 4) The air quality detection sensor transmits the detected air quality data to the controller, and the controller displays the detection data on the display screen, and the air quality data is observed through the display screen; 5) When storing, pull the L-shaped movable frame to the right, and then turn the limit knob clockwise so that the bottom of the limit knob is inserted into the limit groove; 6) Press the take-up switch B to slowly wind the nylon rope around the round take-up roller; 7) Expel the hydrogen in the hydrogen balloon through the inflation valve, then place the hydrogen balloon in the storage box, and then close the storage shell B.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention blocks the air at the air quality detection sensor, preventing the excessively fast air flow rate from affecting the detection accuracy. External air can enter the center of the multifunctional housing through the two circles of air inlet holes on the flow rate control plate. Under the premise of ensuring the normal circulation of air, the air flow rate is reduced, making the detection result more accurate. In addition, when the motor reverses and the nylon rope moves downward rapidly, the air in the multi-function housing is discharged through a circle of cleaning elbow under the action of resistance, which automatically cleans the air quality detection sensor and is convenient for next use.

[0017] 2. In the present invention, when the hydrogen balloon leaks or the pressure decreases due to other reasons, the arc detection plate can push the nylon rope to move. When the pressure of the hydrogen balloon is less than a preset range, the L-shaped movable frame can automatically press the take-up switch B under the action of the push spring, thereby realizing the automatic retraction of the hydrogen balloon and avoiding the installation bracket, hydrogen balloon, air quality detection sensor and multi-functional unit from falling and being damaged. In windy weather, when the hydrogen balloon moves significantly, the arc detection plate can be separated from the nylon rope and can also be automatically retracted in windy weather. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0019] The drawings described below only relate to some embodiments of the present invention and are not intended to limit the present invention.

[0020] In the attached picture: Figure 1 It is a three-dimensional structural schematic diagram of the present invention.

[0021] Figure 2 It is a structural schematic diagram of the storage unit of the present invention.

[0022] Figure 3 It is a structural schematic diagram of the installation unit and the air quality detection sensor of the present invention.

[0023] Figure 4 The present invention Figure 1 Schematic diagram of the bottom perspective structure.

[0024] Figure 5 It is a structural schematic diagram of the multifunctional unit of the present invention.

[0025] Figure 6 The present invention Figure 5 Schematic diagram of the central cut structure.

[0026] Figure 7 It is a schematic structural diagram of the anti-loss unit of the present invention.

[0027] Figure 8 The present invention Figure 1 Schematic diagram of the local enlarged structure of area A in the middle.

[0028] Fig. 9 The present invention Figure 1 Schematic diagram of the main viewing angle structure.

[0029] Fig.10 The present invention Fig. 9 Schematic diagram of the local enlarged structure of area B in the middle.

[0030] List of reference numerals: 1. Storage unit; 101. Storage housing A; 102. Storage housing B; 103. Carrying handle; 104. Storage box body; 2. Installation unit; 201. U-shaped storage seat; 202. Round storage roller; 203. Motor; 204. V-shaped connecting frame; 205. Nylon rope; 206. Installation bracket; 207. Hydrogen balloon; 2071. Inflatable exhaust head; 3. Air quality detection unit; 301. Battery; 302. Controller; 303. Air quality detection sensor; 304. Display screen; 4. Multifunctional unit; 401. Connecting ring frame; 402. Multifunctional housing; 4021. Air circulation hole; 403. Flow rate control board; 4031. Air inlet hole; 404. Cleaning elbow; 5. Anti-loss unit; 501. Mounting support block; 502. L-shaped movable frame; 5021. Limit groove; 503. Arc detection plate; 504. Pay-off switch A; 505. Take-up switch B; 506. Limit knob; 507. Circular guide rod; 508. Limit retaining ring; 509. Push spring. DETAILED DESCRIPTION

[0031] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0032] Example: Please refer to Figures 1 to 10 As shown: The present invention provides an air quality detection device, comprising a storage unit 1; an installation unit 2 is installed inside the storage unit 1; an air quality detection unit 3 is installed on the storage unit 1 and the installation unit 2; A multifunctional unit 4 is installed on the installation unit 2, and the multifunctional unit 4 is used to control the air flow rate during air quality detection, and the multifunctional unit 4 is also used to automatically clean the air quality detection unit 3; An anti-damage unit 5 is installed inside the storage unit 1, and the anti-damage unit 5 is used to protect the installation unit 2, the air quality detection unit 3 and the multi-functional unit 4; The storage unit 1 includes: a storage housing A101, a storage housing B102, a carrying handle 103 and a storage box 104; The rear sides of the storage shell A101 and the storage shell B102 are rotatably connected via two sets of hinges, and the front sides of the storage shell A101 and the storage shell B102 are connected via a lock; the carrying handle 103 is fixedly installed on the front side of the storage shell A101; and the storage box body 104 is fixedly installed inside the storage shell A101.

[0033] In the present disclosure, Figure 1 , Figure 3 , Figure 8 As shown, the installation unit 2 includes: a U-shaped storage seat 201, a circular storage roller 202, a motor 203 and a V-shaped connecting frame 204; the U-shaped storage seat 201 is installed inside the storage shell A101 by screws; the circular storage roller 202 is rotatably installed on the U-shaped storage seat 201; the motor 203 is fixedly installed on the left side of the U-shaped storage seat 201, and the output shaft of the motor 203 is fixedly connected to the circular storage roller 202; the V-shaped connecting frame 204 is welded to the outer wall of the circular storage roller 202; the installation unit 2 also includes: a nylon rope 205, a mounting bracket 206 and a hydrogen balloon 207; the nylon rope 205 is connected to the V-shaped connecting frame 204; the mounting bracket 206 is fixedly installed on the top of the nylon rope 205; the hydrogen balloon 207 is fixedly installed on the top of the mounting bracket 206, and the hydrogen balloon 207 is provided with an inflating air head 2071; The air quality detection unit 3 includes: a battery 301, a controller 302, an air quality detection sensor 303 and a display screen 304; the battery 301 is fixedly installed inside the storage housing A101; the controller 302 is fixedly installed inside the storage housing A101, and the controller 302 is electrically connected to the battery 301; the air quality detection sensor 303 is fixedly installed on the mounting bracket 206, and the air quality detection sensor 303 is electrically connected to the controller 302; the display screen 304 is fixedly installed on the storage housing B102, and the display screen 304 is electrically connected to the controller 302, and the display screen 304 is used to display the detection data of the air quality detection sensor 303; Its specific function is: because the hydrogen balloon 207 is fixedly installed on the top of the mounting bracket 206, when the motor 203 rotates forward, the hydrogen balloon 207 drives the air quality detection sensor 303 to slowly float into the air for air quality detection, and the air quality detection sensor 303 transmits the detected air quality data to the controller 302, and the controller 302 displays the detection data on the display screen 304; when the motor 203 reverses, the nylon rope 205 is wound around the circular storage roller 202, and the staff can place the hydrogen balloon 207 in the storage box 104, which is convenient for the staff to carry through the carrying handle 103.

[0034] In the present disclosure, Figure 5 and Figure 6 As shown, the multifunctional unit 4 includes: a connecting ring frame 401 and a multifunctional housing 402; the connecting ring frame 401 is welded to the mounting bracket 206; the multifunctional housing 402 is welded to the bottom of the connecting ring frame 401, and a circle of air circulation holes 4021 is provided on the multifunctional housing 402; the multifunctional unit 4 also includes: a flow rate control plate 403 and a cleaning elbow 404; the flow rate control plate 403 is provided with a circle, and the circle of flow rate control plates 403 is fixedly installed in the circle of air circulation holes 4021, and two circles of air inlet holes 4031 are respectively provided on the circle of flow rate control plates 403; the cleaning elbow 404 is provided with a circle, and the circle of cleaning elbow 404 is welded to the top of the multifunctional housing 402; The specific function is as follows: because the multifunctional housing 402 is welded to the bottom of the connecting ring frame 401, it blocks the air at the air quality detection sensor 303, thus preventing the excessively fast air flow from affecting the detection accuracy. In addition, because a circle of air circulation holes 4021 is provided on the multifunctional housing 402, and a circle of flow rate control plates 403 are fixedly installed in the circle of air circulation holes 4021, and two circles of air inlet holes 4031 are respectively provided on the circle of flow rate control plates 403, external air can enter the center of the multifunctional housing 402 through the two circles of air inlet holes 4031 on the flow rate control plates 403, thereby reducing the air flow speed while ensuring the normal circulation of air, so that the detection result is more accurate. Because a circle of cleaning elbow 404 is welded on the top of the multifunctional housing 402, when the motor 203 reverses and the nylon rope 205 moves downward rapidly, the air in the multifunctional housing 402 is discharged through the circle of cleaning elbow 404 under the action of resistance, which automatically cleans the air quality detection sensor 303 and is convenient for next use; Among them, the staff can appropriately adjust the reversing speed parameters of the motor 203 according to the cleaning effect of the air quality detection sensor 303. When the cleaning effect of the air quality detection sensor 303 is not ideal, it can be improved by increasing the rotation speed of the motor 203. When the rotation speed of the motor 203 increases, the pressure of the gas discharged from a circle of cleaning bend pipe 404 becomes larger, thereby ensuring the automatic cleaning effect of the air quality detection sensor 303 when it is folded.

[0035] In the present disclosure, Figures 7 to 10 As shown, the loss prevention unit 5 includes: an installation support block 501, an L-shaped movable frame 502 and an arc detection plate 503; the installation support block 501 is fixedly installed inside the storage shell A101; the L-shaped movable frame 502 is slidably installed on the installation support block 501, and a limiting groove 5021 is provided on the top of the L-shaped movable frame 502; the arc detection plate 503 is welded to the left side of the L-shaped movable frame 502, and the left side of the arc detection plate 503 is in contact with the nylon rope 205; the loss prevention unit 5 also includes: a line-releasing switch A504, a line-retracting switch B505 and a limit knob 506; the line-releasing switch A504 is fixedly installed on the left side of the installation support block 501, and the line-releasing switch A504 is used to control the motor 203 is forward; the take-up switch B505 is fixedly mounted on the right side of the mounting support block 501, and the take-up switch B505 is used to control the reverse rotation of the motor 203; the limit knob 506 is threadedly connected to the top of the mounting support block 501; the anti-damage unit 5 also includes: a circular guide rod 507, a limit retaining ring 508 and a push spring 509; the circular guide rod 507 is welded on the right side of the mounting support block 501, and the circular guide rod 507 is also slidably connected to the L-shaped movable frame 502; the limit retaining ring 508 is welded on the right end of the circular guide rod 507; the push spring 509 is mounted on the outside of the circular guide rod 507, and the push spring 509 is located between the L-shaped movable frame 502 and the limit retaining ring 508; The specific function is as follows: since the left side of the arc detection plate 503 is in contact with the nylon rope 205, and the push spring 509 is installed on the outside of the circular guide rod 507, and the push spring 509 is located between the L-shaped movable frame 502 and the limit retaining ring 508, when the hydrogen balloon 207 leaks or the pressure decreases due to other reasons, the arc detection plate 503 can push the nylon rope 205 to move, and since the take-up switch B505 is used to control the reverse rotation of the motor 203, and the take-up switch B505 and the L-shaped movable frame 502 are located On the same central plane, when the pressure of the hydrogen balloon 207 is less than the preset range, the L-shaped movable frame 502 can automatically press the reel switch B505 under the action of the push spring 509, thereby realizing the automatic retraction of the hydrogen balloon 207 and avoiding the installation bracket 206, the hydrogen balloon 207, the air quality detection sensor 303 and the multi-functional unit 4 from falling and being damaged; in windy weather, when the hydrogen balloon 207 moves significantly, the arc-shaped detection plate 503 can be separated from the nylon rope 205 and can also be automatically retracted in windy weather.

[0036] In an embodiment of the present disclosure, a method for detecting air quality is provided: 1) During the test, the storage housing B102 is opened, and hydrogen is then filled into the hydrogen balloon 207 through the filling gas head 2071; 2) Press the line release switch A504 to make the hydrogen balloon 207 slowly float into the sky; 3) Turn the limit knob 506 counterclockwise to separate the limit knob 506 from the limit groove 5021 to ensure that the left side of the arc detection plate 503 is in contact with the nylon rope 205; 4) The air quality detection sensor 303 transmits the detected air quality data to the controller 302, and the controller 302 displays the detection data on the display screen 304, and the air quality data is observed through the display screen 304; 5) When storing, pull the L-shaped movable frame 502 to the right, and then turn the limit knob 506 clockwise to insert the bottom of the limit knob 506 into the limit groove 5021; 6) Press the take-up switch B505 to slowly wind the nylon rope 205 around the circular take-up roller 202; 7) Expel the hydrogen in the hydrogen balloon 207 through the inflation vent 2071, then place the hydrogen balloon 207 in the storage box 104, and then close the storage shell B102.

[0037] The specific usage and function of this embodiment are as follows: During detection, the storage shell B102 is opened, and hydrogen is then filled into the hydrogen balloon 207 through the inflation air head 2071; the line release switch A504 is pressed to allow the hydrogen balloon 207 to slowly float into the sky; the limit knob 506 is turned counterclockwise to separate the limit knob 506 from the limit groove 5021, ensuring that the left side of the arc-shaped detection plate 503 is in contact with the nylon rope 205; the air quality detection sensor 303 transmits the detected air quality data to the controller 302, and the controller 302 displays the detection data on the display screen 304, and the air quality data is observed through the display screen 304; the air at the air quality detection sensor 303 is blocked to prevent the excessively fast air flow rate from affecting the detection accuracy, and the external air can pass through the two circles of air inlet holes 403 on the flow rate control plate 403 1 enters the center position of the multifunctional housing 402, and reduces the air flow speed while ensuring the normal air circulation, so that the detection result is more accurate; when the hydrogen balloon 207 leaks or the pressure decreases due to other reasons, the arc detection plate 503 can push the nylon rope 205 to move, and when the pressure of the hydrogen balloon 207 is less than the preset range, the L-shaped movable frame 502 can automatically press the take-up switch B505 under the action of the push spring 509, so as to realize the automatic retraction of the hydrogen balloon 207, and avoid the installation bracket 206, the hydrogen balloon 207, the air quality detection sensor 303 and the multifunctional unit 4 from falling and being damaged; in windy weather, when the hydrogen balloon 207 moves significantly, the arc detection plate 503 can be separated from the nylon rope 205, and can also be automatically retracted in windy weather; When storing, pull the L-shaped movable frame 502 to the right, and then turn the limit knob 506 clockwise to insert the bottom of the limit knob 506 into the limit groove 5021; press the winding switch B505 to slowly wind the nylon rope 205 around the circular storage roller 202, and the air in the multi-functional housing 402 is discharged through a circle of cleaning elbow 404 under the action of resistance, which automatically cleans the air quality detection sensor 303 and is convenient for next use; the hydrogen in the hydrogen balloon 207 is discharged through the inflation air head 2071, and then the hydrogen balloon 207 is placed in the storage box body 104, and then the storage shell B102 is closed.

[0038] In this article, there are a few points to note: 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0039] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0040] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. An air quality detection device, comprising a storage unit (1); characterized in that: An installation unit (2) is installed inside the storage unit (1); an air quality detection unit (3) is installed on the storage unit (1) and the installation unit (2); The mounting unit (2) is provided with a multifunctional unit (4), the multifunctional unit (4) being used to control the air flow rate during air quality detection, and the multifunctional unit (4) being also used to automatically clean the air quality detection unit (3); An anti-damage unit (5) is installed inside the storage unit (1), and the anti-damage unit (5) is used to protect the installation unit (2), the air quality detection unit (3) and the multi-functional unit (4); The storage unit (1) comprises: a storage shell A (101), a storage shell B (102), a carrying handle (103) and a storage box body (104); The rear sides of the storage shell A (101) and the storage shell B (102) are rotatably connected via two sets of hinges, and the front sides of the storage shell A (101) and the storage shell B (102) are connected via a lock; the carrying handle (103) is fixedly mounted on the front side of the storage shell A (101); and the storage box body (104) is fixedly mounted inside the storage shell A (101).

2. The air quality detection device according to claim 1, characterized in that: The mounting unit (2) comprises: a U-shaped storage seat (201), a circular storage roller (202), a motor (203) and a V-shaped connecting frame (204); the U-shaped storage seat (201) is mounted inside a storage housing A (101) by means of screws; the circular storage roller (202) is rotatably mounted on the U-shaped storage seat (201); the motor (203) is fixedly mounted on the left side of the U-shaped storage seat (201), and the output shaft of the motor (203) is fixedly connected to the circular storage roller (202); and the V-shaped connecting frame (204) is welded to the outer wall of the circular storage roller (202).

3. The air quality detection device according to claim 2, characterized in that: The installation unit (2) further comprises: a nylon rope (205), a mounting bracket (206) and a hydrogen balloon (207); the nylon rope (205) is connected to the V-shaped connecting frame (204); the mounting bracket (206) is fixedly mounted on the top of the nylon rope (205); the hydrogen balloon (207) is fixedly mounted on the top of the mounting bracket (206), and an inflation air nozzle (2071) is provided on the hydrogen balloon (207).

4. The air quality detection device according to claim 3, characterized in that: The air quality detection unit (3) comprises: a storage battery (301), a controller (302), an air quality detection sensor (303) and a display screen (304); the storage battery (301) is fixedly mounted inside a storage housing A (101); the controller (302) is fixedly mounted inside a storage housing A (101), and the controller (302) is electrically connected to the storage battery (301); the air quality detection sensor (303) is fixedly mounted on a mounting bracket (206), and the air quality detection sensor (303) is electrically connected to the controller (302); the display screen (304) is fixedly mounted on a storage housing B (102), and the display screen (304) is electrically connected to the controller (302), and the display screen (304) is used to display detection data of the air quality detection sensor (303).

5. The air quality detection device according to claim 3, characterized in that: The multifunctional unit (4) comprises: a connecting ring frame (401) and a multifunctional housing (402); the connecting ring frame (401) is welded to the mounting bracket (206); the multifunctional housing (402) is welded to the bottom of the connecting ring frame (401), and a circle of air circulation holes (4021) is provided on the multifunctional housing (402).

6. The air quality detection device according to claim 5, characterized in that: The multifunctional unit (4) further comprises: a flow rate control plate (403) and a cleaning elbow (404); the flow rate control plate (403) is provided in a circle, and the circle of flow rate control plates (403) is fixedly installed in a circle of air circulation holes (4021), and two circles of air intake holes (4031) are respectively opened on the circle of flow rate control plates (403); the cleaning elbow (404) is provided in a circle, and the circle of cleaning elbow (404) is welded to the top of the multifunctional housing (402).

7. The air quality detection device according to claim 4, characterized in that: The anti-damage unit (5) comprises: a mounting support block (501), an L-shaped movable frame (502) and an arc-shaped detection plate (503); the mounting support block (501) is fixedly mounted inside a storage shell A (101); the L-shaped movable frame (502) is slidably mounted on the mounting support block (501), and a limiting groove (5021) is provided on the top of the L-shaped movable frame (502); the arc-shaped detection plate (503) is welded to the left side of the L-shaped movable frame (502), and the left side of the arc-shaped detection plate (503) is in contact with a nylon rope (205).

8. The air quality detection device according to claim 7, characterized in that: The anti-damage unit (5) further comprises: a line-releasing switch A (504), a line-retracting switch B (505) and a limit knob (506); the line-releasing switch A (504) is fixedly mounted on the left side of the mounting support block (501), and the line-releasing switch A (504) is used to control the forward rotation of the motor (203); the line-retracting switch B (505) is fixedly mounted on the right side of the mounting support block (501), and the line-retracting switch B (505) is used to control the reverse rotation of the motor (203); and the limit knob (506) is threadedly connected to the top of the mounting support block (501).

9. The air quality detection device according to claim 8, characterized in that: The anti-damage unit (5) further comprises: a circular guide rod (507), a limit retaining ring (508) and a push spring (509); the circular guide rod (507) is welded to the right side of the mounting support block (501), and the circular guide rod (507) is also slidably connected to the L-shaped movable frame (502); the limit retaining ring (508) is welded to the right end of the circular guide rod (507); the push spring (509) is installed outside the circular guide rod (507), and the push spring (509) is located between the L-shaped movable frame (502) and the limit retaining ring (508).

10. A method for detecting air quality, using the air quality detection device according to claim 8, characterized in that: The steps are as follows: 1) During the test, the storage housing B (102) is opened, and hydrogen is then filled into the hydrogen balloon (207) through the filling head (2071); 2) Press the line release switch A (504) to make the hydrogen balloon (207) slowly float into the sky; 3) Rotate the limit knob (506) counterclockwise to separate the limit knob (506) from the limit groove (5021) to ensure that the left side of the arc detection plate (503) is in contact with the nylon rope (205); 4) The air quality detection sensor (303) transmits the detected air quality data to the controller (302), and the controller (302) displays the detected data on the display screen (304), and the air quality data is observed through the display screen (304); 5) When storing, pull the L-shaped movable frame (502) to the right, and then turn the limit knob (506) clockwise so that the bottom of the limit knob (506) is inserted into the limit groove (5021); 6) Press the take-up switch B (505) to slowly wind the nylon rope (205) around the circular take-up roller (202); 7) Expel the hydrogen in the hydrogen balloon (207) through the inflation gas head (2071), then place the hydrogen balloon (207) in the storage box (104), and then close the storage shell B (102).

Images