Equipment based on chlorine dioxide gas concentration detection

Abstract

The embodiment of the present invention provides a device based on chlorine dioxide gas concentration detection, which relates to the field of gas detection equipment. The device based on chlorine dioxide gas concentration detection includes: a shell, a driving mechanism and a hand pump, the interior of the shell is hollow, and the shell is also provided with an auxiliary chamber, the hand pump is installed on the driving mechanism, and the driving mechanism can drive the hand pump to automatically suck gas and release gas; the driving mechanism includes a bracket, a top plate, a driving plate, a first limit groove, a motor, a screw, a moving block and a driving rod. The device based on chlorine dioxide gas concentration detection can automatically compress the air bag of the hand pump, and can also automatically complete the suction, which is simple and convenient, and can ensure that the amount of gas sucked is the same when used in different locations to ensure accurate test results; it can also clamp the poison detection tube, and automatically complete the docking and separation of the poison detection tube and the gas pump, ensuring stability while improving the automation process and ensuring equipment stability.

Description

Technical Field

[0001] The present invention relates to the field of gas detection equipment, in particular to equipment based on chlorine dioxide gas concentration detection. Background Art

[0002] Chlorine dioxide is a safe, efficient, non-toxic and powerful fungicide with broad spectrum and no three hazards (carcinogenic, teratogenic and mutagenic). It is currently mainly used in water treatment, fruit preservation, food safety control, medical device disinfection, space disinfection and other fields. When indoor disinfection is carried out, chlorine dioxide is used for spraying. However, a certain amount of chlorine dioxide gas will remain in the air after the disinfection. If its content is high, it will affect the health of people entering the space. Therefore, at the end of the disinfection, the concentration of chlorine dioxide in the air needs to be tested using corresponding equipment.

[0003] The chlorine dioxide gas detector is a portable tool used to detect the concentration of chlorine dioxide gas. Its basic principle is based on chemical color reaction. The tube is filled with specific chemical reagents. When the gas containing chlorine dioxide passes through the gas detector, the chlorine dioxide reacts chemically with the reagents to produce a color change. By comparing the length of the color band or the color depth after the color change with the standard colorimetric card, the concentration of chlorine dioxide gas can be estimated.

[0004] The chlorine dioxide gas testing tube currently used needs to be used in conjunction with a hand pump. By manually pressing the hand pump airbag, the hand pump has a certain suction force, and then the gas testing tube is connected to the hand pump. By releasing the suction force of the hand pump, the air can quickly flow through the gas testing tube, so that the gas testing tube can be used to test the chlorine dioxide in the air.

[0005] Since the volume of the gas detection tube is small, the amount of air flowing through the tube each time is limited. Therefore, in order to ensure the accuracy of the test results, each test will be carried out at different locations of the test site in order to obtain relatively accurate results. However, manually pressing the air bag of the hand pump cannot guarantee that the contraction amount of the air bag is the same each time, and the rate and total amount of gas when sucking gas cannot be guaranteed to be the same. Therefore, the conditions of multiple tests cannot be guaranteed to be the same, which will affect the accuracy of the test results.

[0006] Based on this, the present invention is proposed. Summary of the invention

[0007] According to an embodiment of the present invention, a device based on chlorine dioxide gas concentration detection is provided to solve the problem of existing background problems.

[0008] The device based on chlorine dioxide gas concentration detection comprises: a shell, a driving mechanism and a hand pump, wherein the interior of the shell is hollow, an auxiliary chamber is further arranged on the shell, the hand pump is installed on the driving mechanism, and the driving mechanism can drive the hand pump to automatically suck gas and release gas;

[0009] The driving mechanism comprises a bracket, a top plate, a driving plate, a first limiting groove, a motor, a lead screw, a moving block and a driving rod, the bracket is installed in the shell, the top plate is installed on the top of the bracket, the driving plate is installed on the bracket, the hand pump is installed between the top plate and the driving plate, a first limiting groove is provided on the driving plate, and the first limiting groove is inclined upward from left to right; a motor is installed in the auxiliary chamber, the lead screw is rotatably installed in the shell, one end of the lead screw extends into the auxiliary chamber and is connected to the output end of the motor, the moving block is threadedly connected to the lead screw, one end of the driving rod is installed on the moving block, and the other end of the driving rod passes through the first limiting groove;

[0010] The shell is also provided with a plug hole, and the plug hole corresponds to the hand pump.

[0011] Preferably, a first buckle is installed at the bottom of the top plate, and a second buckle is installed at the top of the driving plate, and the first buckle and the second buckle are respectively engaged with the hand pump.

[0012] Preferably, the driving mechanism further comprises a sliding rod and a sliding block, the sliding rod is installed in the housing, the sliding block is installed on the sliding rod, and the sliding block is slidably connected to the sliding rod.

[0013] Preferably, the driving plate is provided with two second limiting grooves, the two second limiting grooves are respectively located on both sides of the first limiting groove, and the two second limiting grooves are interconnected with the first limiting groove.

[0014] Preferably, two positioning rods are installed in the housing, a braking mechanism is installed on the positioning rods, a first slot is opened on the driving plate, and the braking mechanism cooperates with the first slot to control the lateral movement of the driving plate.

[0015] Preferably, the brake mechanism comprises a base, a slide, a brake frame and a linkage rod, the base is mounted on the positioning rod, the slide is rotatably mounted on the base, the brake frame is mounted on the slide, the bottom end of the linkage rod is slidably mounted in the slide, and the top end of the linkage rod is connected to the moving block;

[0016] The slideway comprises a first channel and a second channel which are interconnected, and the second channel is arranged obliquely relative to the first channel;

[0017] Four rollers are installed on the vertical part of the brake frame.

[0018] Preferably, a power supply unit is installed in the auxiliary chamber.

[0019] Preferably, a bracket is installed on the side of the shell where the socket is opened, and a through slot is opened on the bracket, and the through slot corresponds to the position of the socket; a limit seat is fixedly installed on the bracket; a support rod is installed on the bracket, and an engaging assembly is installed on the support rod, and the engaging assembly passes through the limit seat.

[0020] Preferably, the embracing assembly comprises a moving platform, an extension frame, a rotating arm, a rotating rod, a torsion spring and an embracing block, the moving platform is coaxially arranged with the through slot, the extending frame is mounted on the moving platform, and the extending frame is slidably mounted on the supporting rod, the rotating arm is mounted on the moving platform through the rotating rod, and the torsion spring is mounted between the moving platform and the rotating arm;

[0021] There are at least three rotating arms, which are equidistantly arranged along the circumferential direction;

[0022] An engaging block is installed on one side of the rotating arm facing the line where the axis of the moving platform is located.

[0023] Preferably, three slide grooves are formed on the limit seat, the rotating arm is slidably connected to the slide grooves, and a protrusion for limiting the moving platform is also installed on the limit seat.

[0024] One or more technical solutions provided in this application have at least the following technical effects or advantages:

[0025] 1. The device for detecting chlorine dioxide gas concentration provided by the present invention drives the moving block to move by means of a lead screw, thereby utilizing the cooperation between the driving rod and the first limiting groove to cause the driving plate to rise, thereby pushing the hand pump to shrink its airbag, thereby ensuring that the airbag of the hand pump shrinks the same amount each time the driving plate rises completely, thereby ensuring that the amount of gas sucked is the same when the device is used in different locations, thereby ensuring that the test results are accurate.

[0026] 2. When the mobile platform in the present invention moves, the three rotating arms will simultaneously embrace inwards by utilizing the limiting seat, so that the poison detection tube can be clamped by utilizing the three engaging blocks, thereby ensuring the stability of the poison detection tube and preventing the poison detection tube from breaking when connecting to the hand pump.

[0027] 3 In the present invention, the cooperation between the moving block and the second limit groove enables the driving plate that has completed the rise to start to move horizontally, so that the hand pump moves together, and the hand pump is connected with the clamped poison detection tube. Then the moving block moves in the opposite direction, and the suction of the hand pump is automatically released, so that the air flows through the poison detection tube to complete the test. Then, the poison detection tube can be automatically separated from the hand pump, ensuring the automatic suction test, without the need for the staff to manually plug in the poison detection tube, which is convenient and quick.

[0028] 4. The present invention can limit the driving plate through the braking mechanism to prevent the driving rod from moving laterally during the lifting process, thereby ensuring that the process of sucking and releasing gas is stable and the measured data is accurate.

[0029] In summary, the device based on chlorine dioxide gas concentration detection provided by the present invention can automatically compress the air bag of the hand pump and can also automatically complete the suction, which is simple and convenient, and can ensure that the amount of gas sucked is the same when used in different locations to ensure the accuracy of the test results; it can also clamp the poison detection tube and automatically complete the docking and separation of the poison detection tube and the air pump, ensuring stability while improving the automation process to ensure equipment stability.

[0030] It should be understood that the contents described in the summary of the invention are not intended to limit the key or important features of the embodiments of the present invention, nor are they intended to limit the scope of the present invention. Other features of the present invention will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The above and other features, advantages and aspects of the embodiments of the present invention will become more apparent with reference to the following detailed description in conjunction with the accompanying drawings. In the accompanying drawings, the same or similar reference numerals represent the same or similar elements, wherein:

[0032] Figure 1 It shows a schematic structural diagram of a device based on chlorine dioxide gas concentration detection according to an embodiment of the present invention;

[0033] Figure 2 A cross-sectional view of a housing of a device for detecting chlorine dioxide gas concentration according to an embodiment of the present invention is shown;

[0034] Figure 3 A schematic diagram of the structure of a driving mechanism and a housing of a device based on chlorine dioxide gas concentration detection according to an embodiment of the present invention is shown;

[0035] Figure 4 A schematic structural diagram of a driving mechanism of a device based on chlorine dioxide gas concentration detection according to an embodiment of the present invention is shown;

[0036] Figure 5 A schematic diagram of an explosion mechanism of a device based on chlorine dioxide gas concentration detection according to an embodiment of the present invention is shown;

[0037] Figure 6 A front view of a driving board of a device based on chlorine dioxide gas concentration detection according to an embodiment of the present invention is shown;

[0038] Figure 7 A schematic structural diagram of a braking mechanism of a device based on chlorine dioxide gas concentration detection according to an embodiment of the present invention is shown;

[0039] Figure 8 An enlarged view of point A of a device for detecting chlorine dioxide gas concentration according to an embodiment of the present invention is shown;

[0040] Fig. 9 A schematic structural diagram of a bracket of a device for detecting chlorine dioxide gas concentration according to an embodiment of the present invention is shown;

[0041] Fig.10 A schematic diagram of the explosion structure of the rotating arm of the device for detecting the concentration of chlorine dioxide gas according to an embodiment of the present invention is shown.

[0042] The reference numerals are as follows:

[0043] 1. Shell, 101. Jack, 102. Auxiliary chamber, 2. Driving mechanism, 21. Bracket, 22. Sliding rod, 23. Top plate, 231. First buckle, 24. Sliding block, 25. Driving plate, 251. First limiting groove, 252. Second limiting groove, 253. First slot, 254. Second buckle, 26. Motor, 27. Lead screw, 28. Moving block, 281. Driving rod, 3. Hand pump, 4. Power supply unit, 5. switch, 7. positioning rod, 8. braking mechanism, 81. base, 82. slide, 821. first channel, 822. second channel, 83. braking frame, 831. roller, 84. connecting rod, 9. bracket, 10. limit seat, 1001. slide groove, 1002. protrusion, 11. moving platform, 12. extension frame, 13. rotating arm, 14. rotating rod, 15. torsion spring, 16. clamping block. DETAILED DESCRIPTION

[0044] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0045] In addition, the term "and / or" in this article is only a description of the association relationship between the associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0046] like Figure 1 As shown, the device based on chlorine dioxide gas concentration detection includes: a shell 1 and a bracket 9. The interior of the shell 1 is hollow, and a socket 101 is provided on the shell 1. The bracket 9 is installed on the side of the shell 1 where the socket 101 is provided. A through groove 91 is provided on the bracket 9, and the through groove 91 corresponds to the position of the socket 101. A limit seat 10 is fixedly installed on the bracket 9; a support rod 92 is installed on the bracket 9, and an embracing component is installed on the support rod 92, and the embracing component passes through the limit seat 10, and the embracing component moves in the limit seat 10, and can embracing, clamping or releasing the poison detection tube.

[0047] refer to Fig. 9 and Fig.10 The clasping assembly includes a moving platform 11, an extension frame 12, a rotating arm 13, a rotating rod 14, a torsion spring 15 and an clasping block 16. The moving platform 11 is coaxially arranged with the through slot 91. The poison detection tube passes through the moving platform 11, which can ensure that it corresponds to the through slot 91, thereby ensuring that it can enter the inner cavity of the housing 1 through the jack 101. The extension frame 12 is installed on the moving platform 11, and the extension frame 12 is slidably installed on the support rod 92, wherein the number of the support rods 92 is three, which are equidistantly arranged on the support frame 9 along the circumferential direction, and the number of the extension frames 12 is three, which are respectively connected to the three support rods 92. The three circumferentially distributed extension frames 12 and support rods 92 can ensure that the extension frame 12 and the moving platform 11 can be evenly stressed when moving along the axial direction of the support rod 92, thereby ensuring stable movement and preventing the moving platform from rotating. The rotating arm 13 is installed on the moving platform 11 through the rotating rod 14, and the rotating direction is perpendicular to the axial direction of the moving platform 11. The torsion spring is installed between the moving platform 11 and the rotating arm 13. When the rotating arm 13 is rotated by the external force, the torsion spring 15 will be forced to deform. After the external force is removed, the torsion of the torsion spring 15 is used to reset the rotating arm 13. There are at least three rotating arms 13, which are equidistantly arranged along the circumferential direction. The rotating arm 13 is installed with a clamping block 16 on one side of the line where the axis of the moving platform 11 is located. The multiple rotating arms 13 are evenly distributed along the circumferential direction. When the multiple rotating arms 13 are clamped at the same time, the multiple clamping blocks 16 can be used to clamp the poison detection tube located on the axis of the moving platform 11, ensuring that the position of the poison detection tube is fixed and the force is evenly applied. The side of the engaging block 16 in this embodiment away from the rotating arm is arranged in an arc shape, and the center of the circle to which the arc belongs is on the straight line where the axis of the moving platform 11 is located, ensuring that the engaging block 16 stably contacts the clamped poison-detecting tube wall, making the detected tube more stable. In addition, the engaging block 16 is made of rubber material, ensuring sufficient friction force to avoid rigid contact and damage to the poison-detecting tube.

[0048] This solution can not only achieve stable clamping of the poison detection tube, but also ensure that the poison detection tube will not be broken due to rigid clamping, and has high safety. At the same time, the relative position of the clamped poison detection tube on the whole equipment is stable, which helps to improve the overall accuracy of the equipment.

[0049] The poison detection tube is a special device for measuring the concentration of chlorine dioxide gas, and is an existing device. In this embodiment, a 100ppm poison detection tube is selected, and the range is 0-100ppm. The poison detection tube is in the shape of a 30cm long cylindrical glass tube, which is equipped with a color developer, o-toluidine, a reactant, mercuric sulfate, an antioxidant, vitamin C, ascorbic acid, and a carrier glass fiber. The color developer can react with chlorine dioxide to generate a compound with a specific color, and the concentration of chlorine dioxide can be measured by colorimetry; chlorine dioxide can react with the reactant to generate a detectable compound; the carrier has good adsorption and air permeability, which can ensure that the reagent is evenly distributed in the poison detection tube and fully contacted with the measured gas; the antioxidant is used to ensure that the material in the poison detection tube is stable and avoids corrosion pollution. In addition, this embodiment is not limited to this kind of poison detection tube, and other brands and models of poison detection tubes can be selected.

[0050] When in use, the position of the mobile platform 11 is adjusted so that the rotating arms 13 are located outside the limiting seat 10. At this time, each rotating arm 13 is in an expanded state under the action of the torsion spring 15. Then, the two ends of the drug detection tube are cut open, and the drug detection tube is held and passed through the mobile platform 11, and one end of the drug detection tube is inserted into the jack 101 through the through slot 91, and the length extending into the jack 101 is 4-6 cm. Then, the mobile platform is pushed in the direction of the through slot 91, and the outer wall of the limiting seat 10 is used to limit the rotating arms 13 at the same time, and the clamping and positioning of the drug detection tube is realized by using multiple clasping blocks 16 to act simultaneously.

[0051] In addition, three slide grooves 1001 are provided on the limit seat 10, and the three slide grooves 1001 correspond to the positions of the three rotating arms 13 respectively. The rotating arms 13 are slidably connected with the slide grooves 1001, so as to further ensure the stability of the rotating arms 13. The limit seat 10 is also provided with a protrusion 1002 for limiting the position of the moving platform. When the moving platform 11 moves in a direction away from the through slot 91, the moving range of the moving platform 11 can be limited to prevent the moving platform 11 from leaving the limit seat.

[0052] refer to Figure 2 The device based on chlorine dioxide gas concentration detection also includes a driving mechanism 2 and a hand pump 3. The driving mechanism 2 is arranged in the housing 1, and the hand pump 3 is installed on the driving mechanism 2. The driving mechanism 2 can drive the hand pump 3 to automatically suck gas and release gas.

[0053] refer to Figure 3 , Figure 4 , Figure 5 and Figure 6, the driving mechanism 2 includes a bracket 21, a slide bar 22, a top plate 23, a first buckle 231, a sliding block 24, a driving plate 25, a second buckle 254, a first limiting groove 251, a second limiting groove 252, a motor 26, a lead screw 27, a moving block 28 and a driving rod 281. The bracket 21 is installed in the housing 1, the slide bar 22 is installed in the housing 1, the sliding block 24 is installed on the bracket slide bar 22, and the sliding block 24 is slidably connected to the slide bar 22. There are two slide bars 22 and two sliding blocks 24, ensuring that the bracket 21 can move stably along the axial direction of the slide bar 22. The top plate 23 is installed on the top of the bracket 21, the driving plate 25 is installed on the bracket 21, and the hand pump 3 is installed between the top plate 23 and the driving plate 25, and the position of the hand pump 3 corresponds to the jack 101. In this embodiment, the hand pump 3 is a drager 640000 Accuro Pump, which consists of two upper and lower hand-held parts and an airbag between them. Pressing the two upper and lower hand-held parts can compress the airbag, and the airbag can be used to suck gas when it rebounds. The hand pump 3 has a socket corresponding to the jack 101, and the poison detection tube is tightly inserted into it after being inserted. The first buckle 231 is installed at the bottom of the top plate 23, and the second buckle 254 is installed at the top of the driving plate 25. The first buckle 231 and the second buckle 254 are respectively clamped with the two upper and lower hand-held parts of the hand pump 3, making the hand pump 3, the top plate 23 and the driving plate 25 form an integral body. When the driving plate 25 moves upward, it can compress the hand pump 3. On the contrary, when the driving plate 25 moves downward, the airbag can be restored to inhale air. The driving plate 25 is arranged in an inverted "U" shape, and a first limiting groove 251 is opened on the driving plate 25, and the first limiting groove 251 is inclined upward from left to right. Two second limiting grooves 252 are opened on the driving plate 25, and the two second limiting grooves 252 are respectively located on both sides of the first limiting groove 251, and the two second limiting grooves 252 communicate with the first limiting groove 251. The first limiting groove 251 and the second limiting groove 252 together form a limiting channel. There are two such limiting channels, which are respectively opened on the vertical parts on the front and back sides of the driving plate 25. The lead screw 27 is rotatably installed in the housing 1, the lead screw 27 passes through the inner side of the driving plate 25, and the moving block 28 is threadedly connected to the lead screw 27. When the lead screw 27 rotates, it can drive the moving block 28 to move along the axial direction of the lead screw 27. One end of the driving rod 281 is installed on the moving block 28, and the other end of the driving rod 281 passes through the first limiting groove 251. When the lead screw 27 drives the moving block 28 to move, using the cooperation of the driving rod 281 and the first limiting groove 251, the driving plate 25 can be driven to move upward or downward. When the driving rod 281 slides into the second limiting groove 252, the up and down movement of the driving plate 25 stops. At the same time, using the cooperation of the driving rod 281 and the first limiting groove 251 can also prevent the moving block 28 from rotating by itself, ensuring its stable movement.The housing 1 is also provided with an auxiliary chamber 102, in which a motor 26 is installed. One end of the lead screw 27 extends into the auxiliary chamber 102 and is connected to the output end of the motor 26. The lead screw 27 can be driven to rotate by turning on the motor 26. The motor 26 in this embodiment uses an N20 series reduction motor, and its output end can be locked to ensure that the lead screw 27 will not rotate after the power is turned off. In addition, a power supply unit 4 is installed in the auxiliary chamber 102. The power supply unit 4 is a battery with at least 8000W·h of power, which can stably provide power for the motor 26. A switch 5 is installed on the housing 1. The switch 5 is electrically connected to the power supply unit 4 and the motor 26. The circuit can be closed by the switch 5, and the power supply unit 4 supplies power to the motor 26 to start the motor 26.

[0054] When the moving block 28 moves horizontally and cooperates with the first limiting groove 251 to move the driving plate 25 in the vertical direction, the driving plate 25 will be subjected to a horizontal force component. In order to ensure that the driving plate 25 does not move horizontally when moving in the vertical direction, the first limiting groove 251 is used to prevent the driving plate 25 from being dislocated horizontally. Figure 4 , Figure 5 , Figure 7 and Figure 8 , the following solution is proposed: two positioning rods 7 are installed in the housing 1, and a braking mechanism 8 is installed on the positioning rods 7. A first card slot 253 is opened on the front and rear vertical side walls of the driving plate 25. The braking mechanism 8 cooperates with the first card slot 253 to control the lateral movement of the driving plate 25.

[0055] The brake mechanism 8 includes a base 81, a slide 82, a brake frame 83 and a linkage rod 84. The base 81 is mounted on the positioning rod 7 and its position is fixed. There are two slides 82, which are symmetrically mounted on the base 81. The slide 82 includes a first channel 821 and a second channel 822 that are connected to each other. The second channel 822 is tilted relative to the first channel 821. The bottom end of the linkage rod 84 is slidably mounted in the slide 82, and the top end of the linkage rod 84 is connected to the moving block 28. When the moving block 28 drives the linkage rod 84 to move, the linkage rod 84 will slide in the first channel 821 and the second channel 822. When the linkage rod 84 enters the second channel 822 from the first channel 821, it can drive the slide 82 to rotate as a whole, and vice versa, it can drive the slide 82 to reset. The brake frame 83 is installed on the slide 82. There are two brake frames 83. The two brake frames 83 are respectively installed at the corresponding positions of the second channel 822 on the slide 82. When the two brake frames 83 are respectively inserted into the first slot 253, the drive plate 25 can be laterally limited. At the same time, four rollers 831 are installed on the vertical part of the brake frame 83. The rolling of the rollers 831 does not affect the up and down movement of the drive plate 25, and prevents the drive plate 25 from rotating.

[0056] In actual use, after the poison detection tube enters the housing 1 through the jack 101, the motor 26 is turned on to move the moving block 28 through the rotation of the lead screw 27. At this time, the brake frame 83 cooperates with the first clamping groove 253 to limit the horizontal position of the driving plate 25. By using the cooperation of the driving rod 281 and the first limiting groove 251, the driving plate 25 moves upward until the airbag of the hand pump 3 is completely compressed. Then the driving rod 281 enters the second limiting groove 252 near the jack 101. At this time, the linkage rod 84 enters the second channel 822 from the first channel 821, which will cause the rotation of the slide 82, the brake frame 83 leaves the first clamping groove 253, and the driving rod 281 moves to the end of the second limiting groove 252 and continues to move, which can push the driving plate 25, the hand pump 3, the top plate 23 and the bracket 21 to move to the left as a whole, so as to achieve the docking of the poison detection tube and the socket of the hand pump 3. Then the motor 26 moves in the opposite direction, and the driving rod 281 moves in the opposite direction in the first limiting groove 251, so that the driving plate 25 descends, releasing the suction of the airbag of the hand pump 3, and the airflow passes through the poison detection tube, and the test can be carried out. This process uses the friction between the poison detection tube and the hand pump socket to prevent the driving plate 25 from moving horizontally. After the driving rod 281 enters the second limiting groove 252 away from the jack 101, the airbag is completely restored and the suction test is completed. Then the driving rod 281 drives the driving plate 25, the hand pump 3, the top plate 23 and the bracket 21 to move to the right and reset together. At this time, the linkage rod 84 returns to the first channel 821, and the brake frame 83 is stuck in the first slot 253, and the driving plate 25 is braked again. Then remove the poison detection tube, the chlorine dioxide in the ambient air will react with the substance in the poison detection tube. By comparing its color with the color card, the concentration range of chlorine dioxide in the air can be obtained.

[0057] The above specific implementations do not constitute a limitation on the protection scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A device based on chlorine dioxide gas concentration detection, characterized in that: include: A housing (1), a driving mechanism (2) and a hand pump (3), wherein the interior of the housing (1) is hollow, an auxiliary chamber (102) is further provided on the housing (1), and the hand pump (3) is mounted on the driving mechanism (2), and the driving mechanism (2) is capable of driving the hand pump (3) to automatically suck gas and release gas; The driving mechanism (2) comprises a bracket (21), a top plate (23), a driving plate (25), a first limiting groove (251), a motor (26), a lead screw (27), a moving block (28) and a driving rod (281); the bracket (21) is mounted in the housing (1); the top plate (23) is mounted on the top of the bracket (21); the driving plate (25) is mounted on the bracket (21); the hand pump (3) is mounted between the top plate (23) and the driving plate (25); and the driving plate (25) is provided with a first limiting groove (251). 1), and the first limiting groove (251) is arranged to be inclined upward from left to right; a motor (26) is installed in the auxiliary chamber (102), the lead screw (27) is rotatably installed in the housing (1), one end of the lead screw (27) extends into the auxiliary chamber (102) and is connected to the output end of the motor (26), the moving block (28) is threadedly connected to the lead screw (27), one end of the driving rod (281) is installed on the moving block (28), and the other end of the driving rod (281) passes through the first limiting groove (251); The housing (1) is also provided with a plug hole (101), and the plug hole (101) corresponds to the hand pump (3); A bracket (9) is installed on one side of the housing (1) where the insertion hole (101) is provided, and a through slot (91) is provided on the bracket (9), and the through slot (91) corresponds to the position of the insertion hole (101); a limit seat (10) is fixedly installed on the bracket (9); a support rod (92) is installed on the bracket (9), and an embracing component is installed on the support rod (92), and the embracing component passes through the limit seat (10); The embracing assembly comprises a moving platform (11), an extension frame (12), a rotating arm (13), a rotating rod (14), a torsion spring (15) and an embracing block (16); the moving platform (11) is coaxially arranged with the through slot (91); the extending frame (12) is mounted on the moving platform (11), and the extending frame (12) is slidably mounted on the supporting rod (92); the rotating arm (13) is mounted on the moving platform (11) via the rotating rod (14); and the torsion spring (15) is mounted between the moving platform (11) and the rotating arm (13); There are at least three rotating arms (13), which are equidistantly arranged along the circumferential direction; An engaging block (16) is installed on one side of the rotating arm (13) facing the axis of the moving platform (11); The limiting seat (10) is provided with three sliding grooves (1001), the rotating arm (13) is slidably connected to the sliding grooves (1001), and the limiting seat (10) is also provided with a protrusion (1002) for limiting the moving platform (11).

2. The device based on chlorine dioxide gas concentration detection according to claim 1 is characterized in that, A first buckle (231) is installed at the bottom of the top plate (23), and a second buckle (254) is installed at the top of the drive plate (25); the first buckle (231) and the second buckle (254) are respectively engaged with the hand pump (3).

3. The device based on chlorine dioxide gas concentration detection according to claim 2 is characterized in that, The driving mechanism (2) further comprises a sliding rod (22) and a sliding block (24); the sliding rod (22) is mounted in the housing (1); the sliding block (24) is mounted on the sliding rod (22); and the sliding block (24) is slidably connected to the sliding rod (22).

4. The device based on chlorine dioxide gas concentration detection according to claim 3 is characterized in that: The driving plate (25) is provided with two second limiting grooves (252), the two second limiting grooves (252) are respectively located on both sides of the first limiting groove (251), and the two second limiting grooves (252) are interconnected with the first limiting groove (251).

5. The device based on chlorine dioxide gas concentration detection according to claim 4 is characterized in that, Two positioning rods (7) are installed in the housing (1), a braking mechanism (8) is installed on the positioning rods (7), a first slot (253) is provided on the drive plate (25), and the braking mechanism (8) cooperates with the first slot (253) to control the lateral movement of the drive plate (25).

6. The device based on chlorine dioxide gas concentration detection according to claim 5 is characterized in that: The brake mechanism (8) comprises a base (81), a slideway (82), a brake frame (83) and a linkage rod (84); the base (81) is mounted on the positioning rod (7); the slideway (82) is rotatably mounted on the base (81); the brake frame (83) is mounted on the slideway (82); the bottom end of the linkage rod (84) is slidably mounted in the slideway (82); and the top end of the linkage rod (84) is connected to the moving block (28); The slideway (82) comprises a first channel (821) and a second channel (822) which are connected to each other, and the second channel (822) is arranged obliquely relative to the first channel (821); Four rollers (831) are mounted on the vertical portion of the brake frame (83).

7. The device based on chlorine dioxide gas concentration detection according to any one of claims 1 to 6, characterized in that: A power supply unit (4) is installed in the auxiliary chamber (102).

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