CN106723709B - A kind of portable air quality testing sampling bracelet - Google Patents

Abstract

The invention relates to the technical field of air quality detection, in particular to a portable sampling bracelet for air quality detection. The technical problem to be solved by the present invention is to provide a portable sampling wristband for air quality detection which is convenient to carry, simple to operate and good in storage. In order to solve the above-mentioned technical problems, the present invention provides such a portable air sampling bracelet, which includes a box, a cylinder, a piston, a screw, an air intake pipe, a first one-way valve, a baffle, a water tank, a slide rail, Motor, slider, rack, gear, water outlet pipe, etc.; there is a cylinder in the middle of the upper part of the box, and a piston is slid in the cylinder, and the piston is matched with the cylinder. There is a guide hole on the left side of the top of the box. There is a threaded hole in the middle of the left upper part. A portable sampling wristband for air quality detection provided by the present invention adopts a wristband configuration, which can be carried by wearing the wristband on the wrist, and only needs to twist the screw rod during operation.

Description

A portable sampling bracelet for air quality detection

technical field

The invention relates to the technical field of air quality detection, in particular to a portable sampling bracelet for air quality detection.

Background technique

The quality of air quality reflects the degree of air pollution, which is judged according to the concentration of pollutants in the air. Air pollution is a complex phenomenon, and the concentration of air pollutants at a specific time and place is affected by many factors. The emission of man-made pollutants from stationary and mobile pollution sources is one of the most important factors affecting air quality, including vehicle, ship, and aircraft exhaust, industrial pollution, residential living and heating, and garbage incineration. Urban development density, topography and weather are also important factors affecting air quality.

Detection refers to the use of specified methods to test the specified technical performance indicators of an object (gas, liquid, solid). It is suitable for quality assessment in various industries, such as: civil engineering, water conservancy, food, chemistry, environment, machinery, machines, etc.

With the development of the economy, more and more industrial technologies have entered people's lives, and the resulting air pollution has become more and more serious. Air is an indispensable element in people's lives. Once many components in the air exceed the standard, they will cause great harm to the human body. Therefore, it is necessary to carry out air quality testing on the surrounding environment frequently. Air quality testing first requires air sampling. However, existing sampling instruments for air quality testing have the disadvantages of inconvenient portability, complicated operation, and poor storage performance. There is an urgent need to develop a portable sampling bracelet for air quality detection that is easy to carry, easy to operate, and good in storage.

Contents of the invention

(1) Technical problems to be solved

In order to overcome the shortcomings of the existing sampling instruments for air quality detection, such as inconvenient portability, complicated operation, and poor storage performance, the technical problem to be solved by the present invention is to provide a portable air quality detection device that is easy to carry, simple to operate, and good in storage performance. Use a sampling bracelet.

(2) Technical solution

In order to solve the above-mentioned technical problems, the present invention provides such a portable air sampling bracelet, which includes a box, a cylinder, a piston, a screw, an air intake pipe, a first one-way valve, a baffle, a water tank, a slide rail, Motor, slider, rack, gear, water outlet pipe, connecting plate, air storage tank, air outlet pipe, second one-way valve, water inlet pipe, third one-way valve and fourth one-way valve. Cylinder body, the piston is slidingly installed in the cylinder body, the piston is matched with the cylinder body, there is a guide hole on the left side of the top of the box body, a threaded hole is opened in the upper middle of the left side of the box body, and a screw is arranged in the threaded hole, and the screw rod and the threaded hole Cooperate, the right end of the screw is connected with the middle part of the left side of the piston, and the left side of the top of the cylinder is connected with the intake pipe, the intake pipe passes through the guide hole and is located outside the box, the first check valve is arranged in the intake pipe, and the left side of the bottom of the box is hinged A baffle is connected, a water tank is installed on the right side of the bottom side of the tank, and a slide rail is vertically installed on the left lower part of the cylinder body. A slider is slidably connected to the slide rail, and a rack is connected to the slider, and the bottom of the rack is horizontal. Connected with a connecting plate, the right end of the connecting plate is connected with the gas storage box, the gas storage box is located directly above the baffle, the motor is connected to the middle part of the left side of the box body, the rear side of the motor is connected with a gear, the gear meshes with the rack, and the gas storage box An air outlet pipe is connected between the left side of the top and the left side of the bottom of the cylinder body, and a second one-way valve is arranged in the air outlet pipe, and a water inlet pipe is connected between the inner bottom of the water tank and the right side of the bottom of the cylinder body, and a third check valve is arranged in the water inlet pipe. One-way valve, a water outlet pipe is connected between the right side of the top of the water tank and the right side of the cylinder body, and a fourth one-way valve is arranged in the water outlet pipe.

Preferably, an iron cover is also included, an iron cover is placed on the top left side of the outer side of the box, the iron cover is located directly above the guide hole, and the nozzle of the air intake pipe is located in the iron cover, the iron cover is a cuboid, and the length of the iron cover is 2 cm, the width of the iron cover is 1 cm, and the height and length of the iron cover are 2 cm.

Preferably, a storage box is also included, and the middle part of the right side outside the box is fixedly connected with a storage box, and the storage box is a cuboid, and the distance between the left side and the right side of the storage box is at least 3 cm. The distance between the front side and the rear side of the storage box is at least 3 cm, and the distance between the upper side and the lower side of the storage box is at least 5 cm.

Preferably, a magnet is also included, the top right side of the outer side of the box is fixedly connected with a magnet, the magnet is horizontally connected to the top right side of the outer side of the box, and the magnet is a cuboid, the length of the magnet is 2 cm, and the width of the magnet is 2 cm , the height of the magnet is 1 cm.

Preferably, it also includes a first pulley, a second pulley and a stay wire, the first pulley is arranged in the middle of the bottom of the cylinder, and the first pulley is located on the right side of the gas storage box, the bottom end of the slide rail is connected with the second pulley, and the bottom of the slide block The end is connected with a stay wire, and the stay wire goes around the first pulley and the second pulley and is connected to the right side of the baffle top.

Preferably, a travel switch is also included, a travel switch is provided at the bottom of the inner surface of the slide rail, the lower part of the travel switch is a cylinder, the upper part is a half ball, the radius of the ball is 0.5 cm, and the radius of the upper and lower surfaces of the cylinder is 0.5 cm. The height of the cylinder is 1.5 centimeters, and there is a line connection between the travel switch and the motor.

Preferably, the guide hole is a cylinder, and the radius of the upper and lower surfaces of the cylinder is 0.6 centimeters, the height of the cylinder is 1 centimeter, and the guide hole is slidingly provided with an intake pipe, and the guide hole is located above the cylinder body, and the guide hole Located on the top left side of the cabinet.

Preferably, the water tank is a cuboid, the bottom of the water tank is fixedly connected to the bottom right side of the inner side of the tank, the distance between the left side and the right side of the water tank is at least 3 cm, and the distance between the front side and the rear side of the water tank is at least 4 cm , the distance between the upper side and the lower side of the tank is at least 3 cm.

Preferably, the baffle is a cuboid, and the left side of the bottom of the box is hingedly connected with a baffle, the distance between the left side and the right side of the baffle is at least 3 cm, and the distance between the front side and the rear side of the baffle is at least 3 cm. 4 cm, and the distance between the upper side and the lower side of the baffle is at least 1 cm.

Working principle: first wear the wristband on the wrist, when it is necessary to detect the air quality in a certain place, turn the screw clockwise to make the piston move to the right, so that the water in the cylinder flows into the water tank through the outlet pipe At the same time, the air in this place is drawn into the left side of the piston in the cylinder through the intake pipe. Then turn the screw rod counterclockwise to make the piston move to the left. At this time, the water in the water tank is sucked into the cylinder body through the water inlet pipe, and the air on the left side of the piston in the cylinder body is pressed into the air storage tank. In this way, the air in the area was sampled. When testing the air sample in the air storage box, manually open the baffle, then start the motor to rotate clockwise, thereby driving the gear to rotate clockwise, and then drive the rack and the slider to slide downward, and the rack moves downward through the connecting rod. The plate drives the gas storage box to move downward. When the gas storage box moves downward and is located outside the box, turn off the motor, then release the gas in the gas storage box and take it for testing. After the gas in the gas storage box is released, the starter motor rotates counterclockwise, and the gas storage box returns to its original position. When the air sample is to be collected again, the above operation can be repeated.

It also includes an iron cover, the middle of which is hollow, an iron cover is provided directly above the guide hole, and the mouth of the air intake pipe is located in the iron cover, the iron cover is a cuboid, the length of the iron cover is 2 cm, and the width of the iron cover is The height of the iron cover is 1 cm, and the height of the iron cover is 2 cm; the iron cover can block the nozzle, prevent dust or other small objects from blocking the nozzle, and affect the accuracy of the air quality test results. When the air needs to be sampled, the Just take off the iron cover.

It also includes a storage box. The middle part of the right side of the box is fixedly connected to the storage box, and the storage box is a cuboid. The distance between the left side and the right side of the storage box is at least 4 cm. The storage box The distance between the front side and the back side of the storage box is at least 3 cm, and the distance between the upper side and the lower side of the storage box is at least 3 cm; some smaller necessities can be placed in the storage box.

Also includes a magnet, the top right side of the outer side of the box is fixedly connected with a magnet, the magnet is horizontally connected to the right side of the top side of the outer side of the box, and the magnet is a cuboid, the length of the magnet is 2 cm, and the width of the magnet is 2 cm. The height is 1 cm; when the air is to be sampled, the iron cover needs to be taken down, and the iron cover can be placed on the magnet so that the magnet can attract the iron cover, thereby preventing the iron cover from being lost.

It also includes a first pulley, a second pulley and a pull wire. There is a first pulley in the middle of the bottom of the cylinder, and the first pulley is located on the right side of the gas tank. The bottom end of the slide rail is connected to the second pulley, and the bottom end of the slider is connected to a Pull the wire, the pull wire goes around the first pulley and the second pulley and connects to the right side of the top of the baffle; when the slider slides down, the pull wire is in a loose state, and the right side of the baffle will move downward, and the baffle can be opened and stored The air box can be stretched out of the box, and when the slider slides upward, the air storage box is restored to its original position, and the baffle is restored to its original position; this can save the process of manually opening the baffle and save manpower.

It also includes a travel switch, which is provided with a travel switch at the bottom of the inner surface of the slide rail. The lower part of the travel switch is a cylinder, and the upper part is a half ball. The radius of the ball is 0.5 cm. It is 1.5 cm, and there is a line connection between the limit switch and the motor; when the slider slides down and presses the limit switch, the motor will stop rotating clockwise, so that the gear and the rack are always in contact.

(3) Beneficial effect

A portable sampling wristband for air quality detection provided by the present invention adopts a wristband-type configuration, which can be carried by wearing the wristband on the wrist, and only needs to twist the screw during operation, and the collected gas is stored in the The gas storage box is easy to store, not easy to lose, and achieves the effects of convenient portability, simple operation and good sealing performance.

Description of drawings

Fig. 1 is a schematic diagram of the first top view structure of the present invention.

Fig. 2 is a schematic diagram of the first front view structure of the present invention.

Fig. 3 is a schematic diagram of a second top view structure of the present invention.

Fig. 4 is a schematic diagram of a third top view structure of the present invention.

Fig. 5 is a schematic diagram of a fourth top view structure of the present invention.

Fig. 6 is a schematic diagram of the second front view structure of the present invention.

Fig. 7 is a schematic structural diagram of a third front view of the present invention.

The marks in the accompanying drawings are: 1-box, 2-threaded hole, 3-cylinder, 4-piston, 5-screw, 6-guide hole, 7-intake pipe, 8-first one-way valve, 9- Baffle, 10-water tank, 11-slide rail, 12-motor, 13-slider, 14-rack, 15-gear, 16-outlet pipe, 17-connecting plate, 18-air tank, 19-outlet pipe , 20-second one-way valve, 21-inlet pipe, 22-third one-way valve, 23-fourth one-way valve, 24-iron cover, 25-storage box, 26-magnet, 27-first pulley , 28-the second pulley, 29-guy wire, 30-travel switch.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Example 1

A portable sampling wristband for air detection, as shown in Figure 1-7, including a box body 1, a cylinder body 3, a piston 4, a screw rod 5, an air intake pipe 7, a first one-way valve 8, a baffle plate 9, and a water tank 10. Slide rail 11, motor 12, slider 13, rack 14, gear 15, water outlet pipe 16, connecting plate 17, gas storage box 18, air outlet pipe 19, second one-way valve 20, water inlet pipe 21, third One-way valve 22 and the fourth one-way valve 23, a cylinder body 3 is arranged in the middle of the upper part of the box body 1, and a piston 4 is slidably arranged in the cylinder body 3, and the piston 4 cooperates with the cylinder body 3, and the top left side of the box body 1 is opened. There is a guide hole 6. There is a threaded hole 2 in the middle of the upper left side of the box body 1. There is a screw 5 in the threaded hole 2. The screw 5 cooperates with the threaded hole 2. The right end of the screw 5 is connected with the left middle part of the piston 4. The top of the cylinder body 3 The left side is connected with an air inlet pipe 7, the air inlet pipe 7 passes through the guide hole 6 and is positioned outside the casing 1, the first check valve 8 is arranged in the air inlet pipe 7, and the left side of the bottom of the casing 1 is hingedly connected with a baffle plate 9, the box A water tank 10 is provided on the bottom right side of the inner surface of the body 1, and a slide rail 11 is vertically provided at the bottom left side of the cylinder body 3, and a slide block 13 is slidably connected on the slide rail 11, and a rack 14 is connected on the slide block 13. The bottom end of 14 is horizontally connected with connecting plate 17, the right end of connecting plate 17 is connected with gas storage box 18, the gas storage box 18 is located directly above the baffle plate 9, the middle part of the left side of the box body 1 is connected with a motor 12, and the rear side of the motor 12 A gear 15 is connected, and the gear 15 meshes with the rack 14. An air outlet pipe 19 is connected between the top left side of the air storage tank 18 and the bottom left side of the cylinder body 3. The second check valve 20 is arranged in the air outlet pipe 19, and the water tank 10 A water inlet pipe 21 is connected between the inner bottom and the right side of the bottom of the cylinder body 3, and a third check valve 22 is arranged in the water inlet pipe 21, and a water outlet pipe 16 is connected between the right side of the top of the water tank 10 and the right side of the cylinder body 3, and the outlet A fourth one-way valve 23 is disposed in the water pipe 16 .

Also comprise iron cover 24, box body 1 outer surface top left side is placed with iron cover 24, and iron cover 24 is positioned at guide hole 6 just above, and air inlet pipe 7 nozzles are positioned in iron cover 24, and iron cover 24 is cuboid, iron The length of cover 24 is 2 centimeters, and the width of iron cover 24 is 1 centimeter, and the high length of iron cover 24 is 2 centimeters.

Also include storage box 25, casing 1 outer right side middle part is fixedly connected with storage box 25, and storage box 25 is a cuboid, and the distance between the left side of storage box 25 and the right side is at least 3 cm, the distance between the front side and the rear side of the storage box 25 is at least 3 cm, and the distance between the upper side and the lower side of the storage box 25 is at least 5 cm.

Also comprise magnet 26, casing 1 outer side top right side is fixedly connected with magnet 26, and magnet 26 is horizontally connected on casing 1 outer side top right side, and magnet 26 is cuboid, and the length of magnet 26 is 2 centimeters, and magnet 26 The width of magnet 26 is 2 centimeters, and the height of magnet 26 is 1 centimeter.

It also includes a first pulley 27, a second pulley 28 and a stay wire 29. A first pulley 27 is arranged in the middle of the bottom of the cylinder body 3, and the first pulley 27 is located on the right side of the gas storage box 18. The bottom end of the slide rail 11 is connected with a second pulley. The pulley 28 is connected with a stay wire 29 at the bottom end of the slider 13, and the stay wire 29 goes around the first pulley 27 and the second pulley 28 and is connected to the top right side of the baffle plate 9.

Also includes a travel switch 30, the bottom of the slide rail 11 is provided with a travel switch 30, the bottom of the travel switch 30 is a cylinder, the upper part is a half ball, the radius of the ball is 0.5 cm, and the radius of the upper and lower surfaces of the cylinder is 0.5 cm , the height of the cylinder is 1.5 cm, and there is a line connection between the travel switch 30 and the motor 12.

The guide hole 6 is a cylinder, and the radius of the upper and lower surfaces of the cylinder is 0.6 centimeters, and the height of the cylinder is 1 centimeter. The slide type in the guide hole 6 is provided with an intake pipe 7, and the guide hole 6 is positioned above the cylinder body 3, The guide hole 6 is located on the left side of the top of the box body 1 .

The water tank 10 is a cuboid, the bottom of the water tank 10 is fixedly connected to the bottom right side of the inner side of the casing 1, the distance between the left side and the right side of the water tank 10 is at least 3 cm, and the distance between the front side and the rear side of the water tank 10 is at least 4 cm, and the distance between the upper side and the lower side of the water tank 10 is at least 3 cm.

The baffle plate 9 is a cuboid, and the left side of the bottom of the box body 1 is hingedly connected with the baffle plate 9. The distance between the left side and the right side of the baffle plate 9 is at least 3 centimeters, and the distance between the front side and the rear side of the baffle plate 9 is 3 cm. At least 4 cm, the distance between the upper side and the lower side of the baffle 9 is at least 1 cm.

Working principle: First, wear the wristband on the wrist. When it is necessary to detect the air quality of a certain place, turn the screw 5 clockwise to make the piston 4 move to the right, so that the water in the cylinder 3 passes through the outlet pipe 16 flows in the water tank 10, and the air of this place is sucked into piston 4 left side in the cylinder body 3 by intake pipe 7 simultaneously. Then turn the screw 5 counterclockwise to make the piston 4 move to the left. At this time, the water in the water tank 10 is drawn into the cylinder 3 through the water inlet pipe 21, and the air on the left side of the piston 4 in the cylinder 3 is pressed into the air storage. Box 18. In this way, the air in the area was sampled. When the air sample of the air storage box 18 is to be detected, the baffle 9 is manually opened, and then the motor 12 is started to rotate clockwise, thereby driving the gear 15 to rotate clockwise, and then driving the rack 14 and the slider 13 to slide downward, and the gear The bar 14 moves downward and drives the gas storage box 18 to move downward through the connecting plate 17. When the gas storage box 18 moves downward and is located outside the box body 1, the motor 12 is turned off, and then the gas in the gas storage box 18 is released and taken out. Just go check it out. After the gas in the gas storage box 18 is released, the starter motor 12 rotates counterclockwise, and the gas storage box 18 is returned to its original position. When the air sample is to be collected again, the above operation can be repeated.

Also include iron cover 24, the middle of iron cover 24 is hollow, guide hole 6 just above is provided with iron cover 24, and air intake pipe 7 nozzles are positioned in iron cover 24, and iron cover 24 is cuboid, and the length of iron cover 24 The width of the iron cover 24 is 1 cm, and the height of the iron cover 24 is 2 cm; the iron cover 24 can block the nozzle, prevent dust or other small objects from blocking the nozzle, and affect the accuracy of the air quality test results When the air needs to be sampled, the iron cover 24 can be taken off.

Also include storage box 25, casing 1 outer right side middle part is fixedly connected with storage box 25, and storage box 25 is a cuboid, the distance between the left side of storage box 25 and the right side is at least 4 cm, the distance between the front side and the rear side of the storage box 25 is at least 3 centimeters, and the distance between the upper side and the lower side of the storage box 25 is at least 3 centimeters; necessity.

Also comprise magnet 26, casing 1 outer side top right side is fixedly connected with magnet 26, and magnet 26 is horizontally connected on casing 1 outer side top right side, and magnet 26 is cuboid, and the length of magnet 26 is 2 centimeters, and magnet 26 The width of the magnet 26 is 2 centimeters, and the height of the magnet 26 is 1 centimeter; when the air is sampled, the iron cover 24 needs to be taken off, and the iron cover 24 can be placed on the magnet 26 so that the magnet 26 holds the iron cover 24, Thereby preventing the iron cover 24 from being lost.

It also includes a first pulley 27, a second pulley 28 and a stay wire 29. A first pulley 27 is arranged in the middle of the bottom of the cylinder body 3, and the first pulley 27 is located on the right side of the gas storage box 18. The bottom end of the slide rail 11 is connected with a second pulley. Pulley 28, the bottom end of slider 13 is connected with backguy 29, and backguy 29 walks around first pulley 27 and second pulley 28 and is connected on the right side of baffle plate 9 top; When slider 13 slides down, backguy 29 is in loose state, The right side of the baffle plate 9 will move downwards, and the baffle plate 9 can be opened, and the gas storage box 18 can be stretched out of the casing 1. When the slider 13 slides upwards, the gas storage box 18 is restored to its original position, and at the same time The baffle plate 9 returns to its original position; in this way, the process of manually opening the baffle plate 9 can be omitted, which saves manpower.

Also include travel switch 30, slide rail 11 inner surface bottom is provided with travel switch 30, travel switch 30 bottom cylinder, the upper part is a half ball, the radius of the ball is 0.5 centimeters, the radius of the upper and lower surfaces of the cylinder is 0.5 centimeters, The height of the cylinder is 1.5 cm, and there is a line connection between the travel switch 30 and the motor 12; when the slider 13 slides down and presses the travel switch 30, the motor 12 will stop rotating clockwise, so that the gear 15 and the rack 14 Always keep in touch.

The above-mentioned embodiments only express the preferred implementation of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be noted that those skilled in the art can make several modifications, improvements and substitutions without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (9)

1. a kind of portable air detection sampling bracelet, which is characterized in that include babinet（1）, cylinder body（3）, piston（4）、 Screw rod（5）, air inlet pipe（7）, the first check valve（8）, baffle（9）, water tank（10）, sliding rail（11）, motor（12）, sliding block（13）、 Rack（14）, gear（15）, outlet pipe（16）, connecting plate（17）, expansion box（18）, air outlet pipe（19）, the second check valve（20）, into Water pipe（21）, third check valve（22）With the 4th check valve（23）, babinet（1）Cylinder body is equipped among internal upper part（3）, cylinder body（3） Inner sliding type is equipped with piston（4）, piston（4）With cylinder body（3）Cooperation, babinet（1）Top left side is provided with guide hole（6）, babinet（1）It is left Threaded hole is provided among upper lateral part（2）, threaded hole（2）It is interior to be equipped with screw rod（5）, screw rod（5）With threaded hole（2）Cooperation, screw rod（5） Right end and piston（4）Left side central portion connects, cylinder body（3）Top left side is connected with air inlet pipe（7）, air inlet pipe（7）Across guide hole（6） And positioned at babinet（1）Outside, air inlet pipe（7）Inside it is equipped with the first check valve（8）, babinet（1）Bottom left is hingedly connected with baffle （9）, babinet（1）Medial surface bottom right is equipped with water tank（10）, cylinder body（3）Left lower is equipped with sliding rail vertically（11）, sliding rail （11）Upper slidingtype is connected with sliding block（13）, sliding block（13）On be connected with rack（14）, rack（14）Lower horizontal is connected with Plate（17）, connecting plate（17）Right end is connected with expansion box（18）, expansion box（18）Positioned at baffle（9）Surface, babinet（1）Interior left side Middle face is connected with motor（12）, motor（12）Rear side be connected with gear（15）, gear（15）With rack（14）Engagement, gas storage Case（18）Top left side and cylinder body（3）Air outlet pipe is connected between bottom left（19）, air outlet pipe（19）It is unidirectional to be inside equipped with second Valve（20）, water tank（10）Interior bottom and cylinder body（3）Water inlet pipe is connected between bottom right（21）, water inlet pipe（21）Inside it is equipped with Three check valves（22）, water tank（10）Top right side and cylinder body（3）Outlet pipe is connected between right side（16）, outlet pipe（16）Inside set There is the 4th check valve（23）.

2. a kind of portable air detection sampling bracelet according to claim 1, which is characterized in that further included iron covering （24）, babinet（1）Lateral surface top left side is placed with iron covering（24）, iron covering（24）Positioned at guide hole（6）Surface, and air inlet pipe （7）Nozzle is located at iron covering（24）It is interior, iron covering（24）For cuboid, iron covering（24）A length of 2 centimetres, iron covering（24）Width be 1 li Rice, iron covering（24）Height it is a length of 2 centimetres.

3. a kind of portable air detection sampling bracelet according to claim 2, which is characterized in that further included storing Case（25）, babinet（1）External right side Middle face is fixedly connected with storage tank（25）, and storage tank（25）For cuboid, storage tank （25）Left side and right side between distance be at least 3 centimetres, storage tank（25）Leading flank and trailing flank between distance extremely It is less 3 centimetres, storage tank（25）Upper side and downside between distance be at least 5 centimetres.

4. a kind of portable air detection sampling bracelet according to claim 3, which is characterized in that further included magnet （26）, babinet（1）Lateral surface top right side is fixedly connected with magnet（26）, magnet（26）It is connected horizontally on babinet（1）Lateral surface Top right side, and magnet（26）For cuboid, magnet（26）A length of 2 centimetres, magnet（26）Width for 2 centimetres, magnet（26） A height of 1 centimetre.

5. a kind of portable air detection sampling bracelet according to claim 4, which is characterized in that further included first Pulley（27）, second pulley（28）And bracing wire（29）, cylinder body（3）First pulley is equipped among bottom（27）, and first pulley （27）Positioned at expansion box（18）Right side, sliding rail（11）Bottom end is connected with second pulley（28）, sliding block（13）Bottom end is connected with bracing wire （29）, bracing wire（29）Around first pulley（27）And second pulley（28）And it is connected to baffle（9）Top right side.

6. a kind of portable air detection sampling bracelet according to claim 5, which is characterized in that further included stroke Switch（30）, sliding rail（11）Medial surface bottom is equipped with travel switch（30）, travel switch（30）Lower part is cylinder, and top is half A ball, the radius of ball is 0.5 centimetre, and the radius of cylinder upper and lower surface is 0.5 centimetre, a height of 1.5 centimetres of cylinder, row Cheng Kaiguan（30）With motor（12）Between have connection.

A kind of 7. portable air detection sampling bracelet according to claim 6, which is characterized in that guide hole（6）For circle Cylinder, and the radius of the upper and lower surface of cylinder is 0.6 centimetre, a height of 1 centimetre of cylinder, guide hole（6）Inner sliding type is set There is air inlet pipe（7）, and guide hole（6）Positioned at cylinder body（3）Top, guide hole（6）Positioned at babinet（1）Top left side.

A kind of 8. portable air detection sampling bracelet according to claim 7, which is characterized in that water tank（10）For length Cube, water tank（10）Bottom and babinet（1）Medial surface bottom right is fixedly connected, water tank（10）Left side and right side between At least 3 centimetres of distance, water tank（10）Leading flank and trailing flank between distance be at least 4 centimetres, water tank（10）Upper side Distance is at least 3 centimetres between downside.

A kind of 9. portable air detection sampling bracelet according to claim 8, which is characterized in that baffle（9）For length Cube, babinet（1）Bottom left is hingedly connected with baffle（9）, baffle（9）Left side and right side between distance be at least 3 Centimetre, baffle（9）Leading flank and trailing flank between distance be at least 4 centimetres, baffle（9）Upper side and downside spacing From at least 1 centimetre.