CN113125322B - Indoor air detection equipment - Google Patents

Abstract

The utility model relates to a check out test set of room air, the power distribution box comprises a box body, first division board sets up in the box and separates into the collecting vat that each other does not communicate and the groove of breathing in with the cavity, be equipped with the PM0.3 sensor in the collecting vat, be equipped with the aspirator on the groove of breathing in, set up the first blow vent of intercommunication collecting vat and the groove of breathing in on the first division board, set up the second blow vent with external intercommunication on one side lateral wall that first division board was kept away from to the collecting vat, driving piece one is used for driving two shielding plates and shelters from first blow vent and second blow vent respectively. When detecting PM0.3 in the air, then make aspirator work inhale the groove of breathing in with external air, change the air in the collecting vat into the room air entirely, then make the collecting vat airtight, the air in the collecting vat is not influenced by external environment, then uses PM0.3 sensor to detect it, can improve the precision to PM0.3 particle detection in the room air.

Description

Indoor air detection equipment

Technical Field

The application relates to the field of detection equipment, in particular to detection equipment for indoor air.

Background

Along with the development of economy, the improvement of life taste, more and more people begin to pay attention to health and environmental protection, and many people can adopt the air quality detector to detect the air quality situation comprehensively, comprehensively protects pregnant woman, children, old man and family's health, and outdoor check out test set can carry out the detection of outside air.

The utility model discloses a utility model patent that bulletin number is CN204789453U discloses a check out test set of room air, including cylindric hollow barrel, open opening is set to the upper and lower end of this barrel, the mount pad is installed to the opening part of barrel lower extreme, install the inner tube on this mount pad and set up the circuit board in the inner tube, the control unit is installed to the circuit board, a sensor, WIFI module and the humiture chip that detects the air, inner tube up end department is provided with the display screen of being connected with above-mentioned circuit board, leave the space of circulation of air between display screen and the inner tube, the outer end circle of mount pad be equipped with the air channel that distributes evenly, this air channel forms circulation of air passageway with foretell space, the bottom of mount pad is provided with the button that is used for controlgear networking switch.

Data are looked over to this intelligent product long-range to accessible cell-phone App in the use, and its high accuracy laser sensor can accurate discernment PM0.3 particle, and formaldehyde sensor has adopted high accuracy electrochemical sensor module, and this sensor can take place chemical reaction with free formaldehyde in the air based on the electrochemistry principle to change into NA level current signal, through import amplifier chip and high accuracy AD chip, draw out formaldehyde concentration data.

The above-mentioned related technical solutions have the following drawbacks: summer is in order to cool fast in indoor, some indoor furred ceiling fans of installing, and the circulation of air can be accelerated to the fan, carries out the in-process that detects indoor PM0.3, because the air is mobile, only relies on laser sensor and formaldehyde sensor self suction, hardly carries out accurate detection to indoor PM0.3, makes its degree of accuracy that detects not high.

Disclosure of Invention

In order to improve the accuracy of PM0.3 particle detection in the room air, this application provides a detection equipment of room air.

The application provides a check out test set of room air adopts following technical scheme:

the utility model provides a check out test set of room air, is including the box that has the cavity, still includes first division board and driving piece one, first division board sets up in the box and separates into collecting vat and the suction groove that each other does not communicate with the cavity, be equipped with the PM0.3 sensor in the collecting vat, the suction groove is kept away from and is equipped with the aspirator on one side lateral wall of first division board, the aspirator is used for inhaling the inslot with external air suction, set up the first blow vent of intercommunication collecting vat and suction groove on the first division board, set up the second blow vent with external intercommunication on one side lateral wall that first division board was kept away from to the collecting vat, sliding connection has the shielding plate respectively on first division board and the box, driving piece one is used for driving two shielding plates and shelters from first blow vent and second blow vent respectively.

Through adopting above-mentioned technical scheme, PM0.3 examines time measuring in the air, use two shielding plates of driving piece drive earlier and keep away from first air vent and second air vent, then make aspirator work and inhale the air in the groove with external air, the air in the groove of breathing in gets into the collecting vat from first air vent department, change the air in the collecting vat into indoor air totally, then use two shielding plates of driving piece drive to shelter from first air vent and second air vent, the air in the collecting vat is not influenced by external environment, sufficient stability has, then use PM0.3 sensor to detect it, can improve the precision that detects PM0.3 particle in the indoor air.

Preferably, the air-breathing device further comprises a collecting test tube, an air-breathing cover, a communicating hose, a driving part II and a second partition plate, wherein the second partition plate is arranged in the box body and divides the air-breathing groove into a first groove and a second groove which are not communicated with each other, the second groove is positioned between the first groove and the collecting groove, the air-breathing machine is positioned in the first groove, a third vent hole communicated with the first groove is formed in the side wall of the second groove, an air inlet pipe and an air exhaust pipe are arranged on the air-breathing machine, the air inlet pipe is communicated with the outside, the air exhaust pipe is arranged at the third vent hole, and the air-breathing machine sucks outside air from the air inlet pipe and exhausts the air from the air exhaust pipe;

collect the test tube and can dismantle the connection on the box outer wall, set up the liquid groove that is used for holding liquid on the collection test tube, cover swing joint breathes in the box, the cover that breathes in is located the second groove, driving piece two drive cover that breathes in live third air mask, the both ends of intercommunication hose respectively with breathe in the cover and collect the test tube intercommunication, the intercommunication hose is arranged in the leading-in liquid of collecting the test tube of air in the cover that will breathe in.

Through adopting above-mentioned technical scheme, suitable amount of pure water is loaded onto the liquid tank of collecting the test tube, and the air aspirator can let in gas in the pure water through the intercommunication hose, can dissolve some materials in the air in the pure water gradually, then can take the collection test tube after having dissolved the air to the laboratory, uses professional equipment such as spectrophotometer to measure other each item index numerical value of air, increases air measuring's variety.

Preferably, be equipped with the conduction pipe on the collection test tube, the one end of conduction pipe is located the liquid tank bottom, the other end of conduction pipe stretches out the collection test tube and is used for and communicates with the intercommunication hose.

Through adopting above-mentioned technical scheme, the conduction pipe setting is on collecting the test tube, and operating personnel need not all stretch out the bottom in liquid groove with the intercommunication hose at every turn, makes things convenient for the intercommunication of intercommunication hose and takes out.

Preferably, it is sealed the setting to collect the test tube top surface, be equipped with the outlet duct on collecting the test tube top outer wall, set up the gas outlet in intercommunication liquid groove on the outlet duct, it has sealed lid to hinge on the collection test tube, sealed covering be equipped with the gas outlet and lead to two rubber stoppers that the pipe mouth matches.

Through adopting above-mentioned technical scheme, when gas lets in the pure water through the intercommunication hose, water can roll and splash toward collecting the test tube top, can reduce the probability that the test tube was collected in the water spill to the sealed of top.

Preferably, driving piece two is including pushing mechanism and movable plate, and the shielding plate that is located on first division board is called first baffle, vertical direction sliding connection is followed on first division board to first baffle, the movable plate sets up on first baffle, the movable plate is located the second inslot, it has the hinge bar to articulate on the movable plate, the cover of breathing in sets up on the hinge bar, when first baffle rebound to sheltering from first blow vent, the cover rebound of breathing in extremely is close to the third blow vent, pushing mechanism promotes the hinge bar and will breathe in the cover butt on the second division board and cover the third blow vent.

Through adopting above-mentioned technical scheme, the movable plate follows first baffle rebound to being close to third vent department, then pushing mechanism will breathe in the cover again and promote to the butt on the second division board and cover the third vent-hole cover to the realization is breathed in the cover and is connected with the suction fan, makes the whole intercommunication hose departments that get into of wind that the suction fan blew out, improves the air flow rate of collecting test tube aquatic, makes the material in the faster dissolved air of water.

Preferably, pushing mechanism includes lever, first torsional spring and butt board, the butt board sets up on first baffle, the butt board is located the movable plate top, the lever rotates to be connected on the second groove, the one end butt of lever is in butt board top, the other end butt of lever is on the hinge bar lateral wall, first torsional spring coaxial coupling is in the axis of rotation of lever, first torsional spring drive lever rotates towards butt board one side all the time, be connected with the second torsional spring on the articulated shaft of hinge bar, second torsional spring drive hinge bar rotates towards lever one side all the time, when first baffle rebound to sheltering from first blow vent, the lever promotes the hinge bar towards third blow vent one side.

Through adopting above-mentioned technical scheme, the butt plate follows first baffle rebound, the butt plate is upwards pushing up the one end of lever, the other end of lever can the downstream, because the total length of lever is unchangeable, the lever that inclination diminishes can promote the butt pole and rotate towards third air port one side, thereby make the cover of breathing in cover in third air port department, make full use of the removal of first baffle, make first baffle when sheltering from first air port, cover the cover of breathing in third air port department, make the atmospheric pressure of second inslot can not be because the continuous operation of suction fan and continuously increase.

Preferably, one end of the lever is connected to the abutting plate in a sliding mode, a first rolling ball is arranged at one end, facing the abutting plate, of the lever, a first slide way is formed in the top face of the abutting plate, and the first rolling ball is connected to the first slide way in a sliding mode.

Through adopting above-mentioned technical scheme, first spin slides along first spout, can increase the contact harmony of butt joint board and lever butt, reduces the probability that the lever breaks away from the butt joint board.

Preferably, the cover of breathing in is the sucking disc form setting, the cover of breathing in is made by deformable material, the cover inner wall of breathing in is equipped with a plurality of flabellums along the circumferential direction, when the cover butt of breathing in on the second division board, leave the space between the flabellum, when the cover of breathing in keeps away from the setting of second division board, a plurality of flabellums butt each other together and do not have the space.

Through adopting above-mentioned technical scheme, when the collecting vat is when accomodating the air, the flabellum on the cover of breathing in is closed, and the air in the second inslot does not spill along the intercommunication hose from breathing in the cover, can accelerate the air collection speed in the collecting vat.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by sealing the top of the test tube, when gas is introduced into the purified water through the communication hose, the water can be splashed to the top of the collection test tube by rolling, and the probability that the water is splashed out of the collection test tube can be reduced by sealing the top;

2. by arranging the first rolling ball, the first rolling ball slides along the first sliding groove, so that the contact coordination between the abutting plate and the lever can be increased, and the probability that the lever is separated from the abutting plate is reduced;

3. through setting up the flabellum, when the collecting vat is when accomodating the air, the flabellum on the cover of breathing in is closed, and the air in the second inslot does not spill along the intercommunication hose from breathing in the cover, can accelerate the air collection speed in the collecting vat.

Drawings

FIG. 1 is a schematic view of an embodiment of a suction hood of the present application away from a third vent.

Fig. 2 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1.

FIG. 3 is a schematic view of a suction hood at a third vent according to an embodiment of the present application.

Fig. 4 is a sectional view taken along line B-B in fig. 3.

FIG. 5 is a schematic view of the structure of the collection tube.

Fig. 6 is a sectional view taken along line C-C of fig. 5.

Description of the reference numerals: 1. a box body; 11. a handle; 12. a support; 13. a cavity; 131. collecting tank; 132. an air suction groove; 1321. a second groove; 1322. a first groove; 14. a first partition plate; 141. a first vent; 142. a first vertical slot; 15. a shielding plate; 151. a second vent; 152. a second vertical slot; 153. a groove is embedded; 16. a first baffle plate; 161. abutting against the plate; 1611. a first slideway; 162. moving the plate; 163. a hinged lever; 1631. a second slideway; 1632. a second torsion spring; 164. a lever; 1641. a second roller ball; 1642. a first ball; 165. an air intake cover; 1651. a fan-shaped sheet; 166. a communication hose; 167. a support bar; 17. a cylinder; 18. a second partition plate; 181. a third vent; 19. an aspirator; 191. an air inlet pipe; 192. a dust cover; 193. an exhaust pipe; 2. a PM0.3 sensor; 21. a fixed block; 22. a clip; 23. a display screen; 3. collecting the test tubes; 31. a liquid tank; 32. an air outlet pipe; 321. an air outlet; 33. a conduction pipe; 34. a sealing cover; 341. a first cover; 342. a second cover; 343. and a rubber plug.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses check out test set of indoor air.

Referring to fig. 1 and 2, the detection apparatus for indoor air of the present embodiment includes a box 1 having a cavity 13, a first partition plate 14 is fixedly connected in the box 1, a length direction of the box 1 is vertically disposed, the length direction of the first partition plate 14 is parallel to the length direction of the box 1, a width direction of the first partition plate 14 is parallel to a thickness direction of the box 1, and the cavity 13 is divided into a collecting groove 131 and an air suction groove 132 which are not communicated with each other by the first partition plate 14. The second partition plate 18 is fixedly connected in the box body 1, the second partition plate 18 is positioned in the air suction groove 132, the second partition plate 18 is arranged in parallel with the first partition plate 14, the air suction groove 132 is divided into a first groove 1322 and a second groove 1321 which are not communicated with each other by the second partition plate 18, and the second groove 1321 is positioned between the first groove 1322 and the collecting groove 131.

Referring to fig. 3 and 4, the aspirator 19 is fixedly connected to the inside of the first groove 1322, an intake pipe 191 and an exhaust pipe 193 are provided on the aspirator 19, the exhaust pipe 193 extends out of the tank body 1 and communicates with the outside, a third vent 181 communicating with the first groove 1322 is provided on a side wall of the second groove 1321, the exhaust pipe 193 is fixed at the third vent 181, a circumferential outer wall of the exhaust pipe 193 and a circumferential inner wall of the third vent 181 are attached to each other, and the aspirator 19 sucks in outside air from the intake pipe 191 and then discharges the air from the exhaust pipe 193 into the second groove 1321.

Referring to fig. 2 and 4, a first vent 141 for communicating the collecting tank 131 with the air suction groove 132 is disposed on the first separating plate 14, a second vent 151 communicated with the outside is disposed on a side wall of the collecting tank 131 far away from the first groove 1322, and the first vent 141, the second vent 151 and the third vent 181 are opposite to each other and are located at the same horizontal height. Offer the first groove 142 that erects that sets up along vertical direction on the first blow vent 141 diapire, offer the second that sets up along vertical direction on the second blow vent 151 diapire and erect groove 152, first perpendicular groove 142 and second erect all along vertical direction sliding connection on groove 152 and have shielding plate 15, offer the embedded groove 153 that matches with shielding plate 15 on first blow vent 141 and the second blow vent 151 top surface, be equipped with driving piece one in the box 1, two shielding plates 15 of a driving piece drive slide respectively to the butt on embedded groove 153 diapire.

Referring to fig. 2 and 4, the first driving member includes two cylinders 17, the two cylinders 17 are respectively disposed inside the first partition plate 14 and on the inner wall of the box 1, the two cylinders 17 are respectively located right below the two shielding plates 15, and piston rods of the cylinders 17 are vertically disposed upward and fixedly connected to bottoms of the corresponding shielding plates 15. When the piston rod of the air cylinder 17 extends, the shielding plates 15 move vertically upward and abut against the bottom wall of the insertion groove 153, and at this time, the two shielding plates 15 shield the first air vent 141 and the second air vent 151, so that air cannot pass through the first air vent 141 and the second air vent 151. When the rod of the cylinder 17 contracts, the two shielding plates 15 are away from the first vent port 141 and the second vent port 151, respectively.

Referring to fig. 1 and 2, a dust cover 192 is fixedly connected to an outer side wall of the case 1 on one side of the air inlet pipe 191, and the dust cover 192 completely covers the third vent 181 and the air inlet pipe 191. The PM0.3 sensor 2 for detecting the concentration of PM0.3 in the air is fixedly connected to the bottom wall of the collecting tank 131, the display screen 23 is fixed to the outer wall of the box body 1, and the concentration of the position detected by the PM0.3 sensor 2 can be vertically displayed on the display screen 23.

The operating personnel drives the piston rod shrink of actuating cylinder 17, makes shielding plate 15 keep away from first vent 141 and second vent 151, then drives the suction fan work, inhales indoor air, loops through third vent 181, first vent 141 and second vent 151, when waiting for the air in collecting vat 131 to change into indoor air completely, drives actuating cylinder 17's piston rod and stretches out, seals up collecting vat 131, then closes the suction fan. The PM0.3 sensor 2 will then detect the air within the catch tank 131.

Referring to fig. 2 and 4, the air suction cover 165 is movably connected in the second slot 1321, the second slot 1321 is provided with a second driving member, the second driving member drives the air suction cover 165 to cover the third vent 181, the air suction cover 165 is communicated with a communication hose 166, one end of the communication hose 166 is fixed on the air suction cover 165, and the other end of the communication hose 166 extends out of the box body 1 from the inner wall of the second slot 1321. Can dismantle on the box 1 and be connected with collection test tube 3, it has the liquid tank 31 that is used for holding liquid to collect to have seted up in the test tube 3, add right amount of pure water in the liquid tank 31 at present, then stretch into liquid tank 31's liquid with intercommunication hose 166 in, the air can be followed intercommunication hose 166 and got into in the pure water, some air can be dissolved in the pure water, the pure water after will fully dissolving the air is brought into the laboratory and is used professional instrument, for example instruments such as spectrophotometer measure, can be more accurate detect other indexs in the air.

Referring to fig. 2 and 4, the second driving element includes a pushing mechanism and a moving plate 162, a third vertical slot communicated with the second slot 1321 is formed in a side wall of the first vertical slot 142 facing the second slot 1321, a shielding plate 15 sliding on the first partition plate 14 is a first baffle plate 16, the moving plate 162 is vertically and fixedly connected to a side surface of the first baffle plate 16 facing the second slot 1321, a width direction of the moving plate 162 is parallel to a width direction of the first partition plate 14, the moving plate 162 is horizontally disposed, and the moving plate 162 is located at the bottom of the first baffle plate 16. A hinge lever 163 is hinged to the top surface of the moving plate 162, and the direction of the axis of the hinge lever 163 is arranged parallel to the width direction of the moving plate 162. The hinge shaft of the hinge lever 163 is coaxially and fixedly connected with a second torsion spring 1632, and the second torsion spring 1632 drives the hinge lever 163 to rotate towards one side of the first baffle 16 all the time. The first baffle 16 is further provided with a pushing mechanism, when the suction hood 165 moves upwards to approach the third vent 181 following the first baffle 16, the pushing mechanism pushes the hinge rod 163 to abut the suction hood 165 on the second partition 18 and cover the third vent 181.

Referring to fig. 2 and 4, the pushing mechanism includes a lever 164, a first torsion spring, and an abutting plate 161, the abutting plate 161 is vertically and fixedly connected to a side surface of the first blocking plate 16 facing the second slot 1321, the abutting plate 161 is disposed parallel to the moving plate 162 and directly above the moving plate 162, a length direction of the abutting plate 161 is parallel to a length direction of the moving plate 162, and a length of the abutting plate 161 is smaller than a length of the moving plate 162. The second slot 1321 is rotatably connected with a support rod 167, two ends of the support rod 167 are rotatably connected to two side walls of the second slot 1321 in the width direction, the support rod 167 is fixedly connected with a lever 164, and the length direction of the lever 164 is perpendicular to the length direction of the support rod 167. The abutting plate 161 is located on one side of the supporting rod 167 close to the first baffle 16, two ends of the supporting rod 167 are respectively and coaxially connected with a first torsion spring, the first torsion spring drives the lever 164 to rotate towards one side of the abutting plate 161 all the time, and two ends of the lever 164 are respectively abutted on the top surface of the abutting plate 161 and one side surface of the hinge rod 163 towards the first baffle 16.

Referring to fig. 2 and 4, a first slideway 1611 is disposed on the top surface of the abutting plate 161, the length direction of the first chute is parallel to the length direction of the abutting plate 161, a first rolling ball 1642 is fixedly connected to one end of the lever 164 facing the abutting plate 161, and the first rolling ball 1642 is slidably connected to the first chute along the length direction of the first chute. A second slide rail 1631 is arranged on one side surface of the hinged rod 163 facing the first baffle 16, the length direction of the second slide rail 1631 is parallel to the length direction of the hinged rod 163, a second rolling ball 1641 is fixed to one end of the lever 164 facing the hinged rod 163, the second rolling ball 1641 is embedded into the second slide rail 1631, and the second rolling ball 1641 is always connected to the second slide rail 1631 in a sliding manner along the length direction of the second slide rail 1631.

When the cylinder 17 drives the first baffle 16 to move upwards to abut against the bottom wall of the embedded groove 153, the moving plate 162 and the abutting plate 161 move upwards together with the first baffle 16, wherein the moving plate 162 drives the air suction cover 165 to move upwards to be close to the third air vent 181 through the hinge rod 163, the abutting plate 161 moves upwards to lift one end of the lever 164 upwards, the other end of the lever 164 moves downwards, the lever 164 changes from a larger inclination angle to a horizontal arrangement approaching the larger inclination angle due to the fixed length of the lever 164, the first rolling ball 1642 on the lever 164 slides towards one side of the first baffle 16 along the first slide rail 1611, the second rolling ball 1641 slides towards one side of the first baffle 16 along one side of the second slide rail 1631, and the lever 164 pushes the hinge rod 163 to move towards one side of the third air vent 181 to cover 165 on the second baffle 18.

When the cylinder 17 drives the first baffle 16 to move downward to be away from the first air vent 141, the hinge rod 163 and the hinge rod 163 respectively under the action of the first torsion spring and the second torsion spring 1632, and the lever 164 drives the second rolling ball 1641 to move toward one side of the first baffle 16, so that the air suction cover 165 is away from the third air vent 181.

Referring to fig. 2 and 4, the suction hood 165 is provided in a shape of a suction cup, the suction hood 165 is made of a deformable material such as silica gel, latex, and the like, and has a certain adsorbability, the inner wall of the suction hood 165 is uniformly and fixedly connected with a plurality of fan-shaped pieces 1651 along the circumferential direction, when the suction hood 165 abuts against the second partition plate 18, the edge of the suction hood 165 is opened, a gap is left between the fan-shaped pieces 1651, and air can enter the suction hood 165 through the third vent 181; when the suction cover 165 is disposed away from the second partition plate 18, the edges of the suction cover 165 are contracted, the fan-shaped pieces 1651 abut against each other without a gap, and air cannot enter the suction cover 165 through the third air outlets 181.

Referring to fig. 3, fig. 5, fixedly connected with fixed block 21 on the lateral wall of one side of 1 width thickness direction of box, set up the logical groove that supplies to collect test tube 3 and place on the fixed block 21 top surface, collect test tube 3 bottoms to the top and be the form setting that gradually expands, will collect test tube 3 and insert logical inslot, collect 3 outer walls of test tube and passageway inner wall interference fit. A clip 22 is fixedly connected to the outer wall of the fixing block 21, and the clip 22 is used for clamping the communication hose 166 when the detection device is not in use.

Referring to fig. 5, fig. 6, the test tube top surface is sealed setting, is fixed with conduction pipe 33 on the test tube, and conduction pipe 33 is the setting of L type, and the one end of conduction pipe 33 is located liquid tank 31 bottom, and the other end of conduction pipe 33 stretches out perpendicularly and collects 3 top lateral walls of test tube and be used for and communicate with intercommunication hose 166, and the setting of laminating each other of conduction pipe 33 and liquid tank 31 inner wall that is located liquid tank 31. An air outlet pipe 32 is vertically fixed on the outer wall of the top of the collecting test tube 3, the air outlet pipe 32 is positioned right above one end of the conduction pipe 33 extending out of the collecting test tube 3, and an air outlet 321 communicated with the liquid groove 31 is arranged on the air outlet pipe 32. It has sealed lid 34 to articulate on collecting test tube 3, and sealed lid 34 includes first lid 341 and second lid 342, and the tip of first lid 341 articulates on the tip of second lid 342, and the tip that second lid 342 was kept away from to first lid 341 articulates on collecting test tube 3 outer wall, fixedly connected with on first lid 341 and the rubber buffer 343 that leads on pipe 33 mouth of pipe match, fixedly connected with and the rubber buffer 343 that matches with gas outlet 321 on the second lid 342.

A proper amount of purified water is added into the collecting test tube 3, and the purified water can be introduced into the test tube by adopting an external dropper or a mode of directly adding water into the air outlet 321. When pouring out the solution of dissolved air in collecting test tube 3, can plug the conduction tube 33 mouth of pipe with rubber buffer 343 earlier, then pour the pure water out from outlet duct 32, then open the conduction tube 33 mouth of pipe, pour the pure water of remaining in the conduction tube 33.

Referring to fig. 1 and 2, a support 12 for supporting the case 1 is screwed to the bottom of the case 1, the height of the support 12 is about 1M, and a handle for carrying the case 1 is fixed to the top surface of the case 1. The case 1 can be placed on the ground or on a table for use.

The implementation principle of the detection equipment for indoor air in the embodiment of the application is as follows: before using measuring equipment, operating personnel is toward collecting test tube 3 and is equipped with the pure water, and will collect test tube 3 and place on fixed block 21, then will communicate hose 166 and conduction pipe 33 and connect, drive the piston rod shrink of actuating cylinder 17 after that, drive aspirator 19 work, inhale indoor air, when waiting for the air in collecting vat 131 to change into indoor air completely, the piston rod that drives actuating cylinder 17 stretches out, seal up collecting vat 131, make PM0.3 sensor 2 can detect the air in collecting vat 131.

The piston rod of cylinder 17 drives two shielding plates 15 when sealed with collecting vat 131, and cover 165 can cover in third air port 181 department of breathing in, and the air that the suction fan blew out can be through intercommunication hose 166 and the leading-in pure water of conduction tube 33, treats that the pure water fully dissolves the back with the air, takes off and collects test tube 3, brings the test tube into the laboratory and uses professional instrument, for example instrument such as spectrophotometer measures, can be more accurate detect other indexes in the air.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (5)

1. A detection device of indoor air, comprising a box body (1) with a cavity (13), characterized in that: the air purifier is characterized by further comprising a first partition plate (14) and a first driving part, wherein the first partition plate (14) is arranged in the box body (1) and divides the cavity (13) into a collecting tank (131) and an air suction tank (132) which are not communicated with each other, a PM0.3 sensor (2) is arranged in the collecting tank (131), an air suction machine (19) is arranged on the side wall, away from the first partition plate (14), of the air suction tank (132), the air suction machine (19) is used for sucking outside air into the air suction tank (132), a first air vent (141) communicated with the collecting tank (131) and the air suction tank (132) is formed in the first partition plate (14), a second air vent (151) communicated with the outside is formed in the side wall, away from the first partition plate (14), of the box body (1) are respectively connected with shielding plates (15) in a sliding mode, and the first driving part is used for driving the two shielding plates (15) to respectively block the first air vent (141) and the second air vent (151);

the air suction device is characterized by further comprising a collection test tube (3), an air suction cover (165), a communication hose (166), a driving part II and a second partition plate (18), wherein the second partition plate (18) is arranged in the box body (1) and divides the air suction groove (132) into a first groove (1322) and a second groove (1321) which are not communicated with each other, the second groove (1321) is positioned between the first groove (1322) and the collection groove (131), the air suction machine (19) is positioned in the first groove (1322), a third air vent (181) communicated with the first groove (1322) is formed in the side wall of the second groove (1321), an air inlet pipe (191) and an air exhaust pipe (193) are arranged on the air suction machine (19), the air inlet pipe (191) is communicated with the outside, the air exhaust pipe (193) is arranged at the third air vent (181), and the air from the air inlet pipe (191) to the outside is sucked by the air suction machine (19) and exhausted from the exhaust pipe (193);

the collecting test tube (3) is detachably connected to the outer wall of the box body (1), a liquid groove (31) used for containing liquid is formed in the collecting test tube (3), the air suction cover (165) is movably connected into the box body (1), the air suction cover (165) is located in the second groove (1321), the driving piece II drives the air suction cover (165) to cover the third vent hole (181), two ends of the communicating hose (166) are respectively communicated with the air suction cover (165) and the collecting test tube (3), and the communicating hose (166) is used for guiding air in the air suction cover (165) into the liquid in the collecting test tube (3);

the driving piece II comprises a pushing mechanism and a moving plate (162), a shielding plate (15) on the first partition plate (14) is called as a first baffle plate (16), the first baffle plate (16) is connected to the first partition plate (14) in a sliding mode in the vertical direction, the moving plate (162) is arranged on the first baffle plate (16), the moving plate (162) is located in the second groove (1321), a hinge rod (163) is hinged to the moving plate (162), the suction cover (165) is arranged on the hinge rod (163), when the first baffle plate (16) moves upwards to shield the first air vent (141), the suction cover (165) moves upwards to be close to the third air vent (181), and the pushing mechanism pushes the hinge rod (163) to enable the suction cover (165) to abut against the second partition plate (18) and cover the third air vent (181);

the pushing mechanism comprises a lever (164), a first torsion spring and a butt plate (161), the butt plate (161) is arranged on a first baffle (16), the butt plate (161) is located above a moving plate (162), the lever (164) is connected to a second groove (1321) in a rotating mode, one end of the lever (164) is abutted to the top of the butt plate (161), the other end of the lever (164) is abutted to the side wall of a hinged rod (163), the first torsion spring is coaxially connected to a rotating shaft of the lever (164), the first torsion spring drives the lever (164) to rotate towards one side of the butt plate (161) all the time, a second torsion spring (1632) is connected to a hinged shaft of the hinged rod (163), the second torsion spring (1632) drives the hinged rod (163) to rotate towards one side of the lever (164) all the time, and when the first baffle (16) moves upwards to shield the first air vent (141), the lever (164) pushes the hinged rod (163) towards one side of the first air vent (181).

2. An indoor air detecting apparatus according to claim 1, wherein: be equipped with conduction pipe (33) on collection test tube (3), the one end of conduction pipe (33) is located liquid groove (31) bottom, the other end of conduction pipe (33) stretches out collection test tube (3) and is used for and communicates with intercommunication hose (166).

3. An indoor air detecting apparatus according to claim 2, wherein: collect test tube (3) top surface and be sealed setting, be equipped with outlet duct (32) on collecting test tube (3) top outer wall, set up gas outlet (321) of intercommunication liquid groove (31) on outlet duct (32), it has sealed lid (34) to collect to articulate on test tube (3), be equipped with on sealed lid (34) with gas outlet (321) and switch on two rubber stoppers (343) that pipe (33) mouth of pipe matches.

4. An indoor air detecting apparatus according to claim 1, wherein: one end of the lever (164) is connected to the abutting plate (161) in a sliding mode, a first rolling ball (1642) is arranged at one end, facing the abutting plate (161), of the lever (164), a first slide way (1611) is arranged on the top surface of the abutting plate (161), and the first rolling ball (1642) is connected to the first slide way (1611) in a sliding mode.

5. An indoor air detecting apparatus according to claim 1, wherein: the air suction cover (165) is arranged in a sucker shape, the air suction cover (165) is made of deformable materials, a plurality of fan-shaped sheets (1651) are arranged on the inner wall of the air suction cover (165) along the circumferential direction, when the air suction cover (165) abuts against the second partition plate (18), gaps are reserved among the fan-shaped sheets (1651), and when the air suction cover (165) is arranged far away from the second partition plate (18), the fan-shaped sheets (1651) abut against each other and no gap exists.

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