阅读说明：本技术 一种新生濒危动物保温箱空气监测装置 (Air monitoring device for newly-born endangered animal incubator ) 是由 薛冬红 于 2020-07-31 设计创作，主要内容包括：本发明公开的一种新生濒危动物保温箱空气监测装置,包括箱体,所述检测腔内设有检测装置,所述检测管腔上下内壁滑动连接且与所述凸轮滑动配合的开关阀,所述除泄腔前后内壁固定设有上下阵列的三个左侧尖端与所述检测滤板右侧滑动连接的刮板,所述净化腔内设有净化装置,所述衡压腔内设有衡压装置,本发明中通过检测固体颗粒重力检测气体是否纯净,并自动清洁检测滤板,净化空气过滤时清洁滤网,过滤后将二氧化碳转化为氧气,通过衡压装置同时控制进气和出气保持保温箱内的气压适宜,可恒定保温箱内的温度。(The invention discloses an air monitoring device for a newly-born endangered animal incubator, which comprises a box body, wherein a detection device is arranged in a detection cavity, the upper inner wall and the lower inner wall of the detection cavity are connected in a sliding manner and are matched with a switch valve in a sliding manner through a cam, three left side tips of an upper array and a lower array are fixedly arranged on the front inner wall and the rear inner wall of a leakage removal cavity, the scrapers are connected with the right side of a detection filter plate in a sliding manner, a purification device is arranged in the purification cavity, and a constant pressure device is arranged in the constant pressure cavity.)

1. The utility model provides a new born or endangered animal insulation can air monitering device, includes the box, the internal heat preservation chamber that is equipped with of box, its characterized in that: a purifying box is fixedly arranged on the inner wall of the left side of the heat preservation cavity, a detection cavity is arranged in the purifying box, a detection device is arranged in the detection cavity, a motor is fixedly arranged on the inner wall of the lower side of the detection cavity, the upper side of the motor is in power connection with a motor shaft, the inner wall of the right side of the detection cavity is in rotary connection with a cam shaft, the cam shaft and the motor shaft are in transmission through a bevel gear pair, a cam is fixedly connected onto the cam shaft, a detection pipe is fixedly arranged on the inner wall of the upper side of the detection cavity, a detection pipe cavity which is communicated with the left side and the right side is arranged in the detection pipe, a switch valve which is in sliding connection with the upper inner wall and the lower inner wall of the detection pipe cavity and is in sliding fit with the cam is arranged on the left side of the switch valve, the, the inner wall of the lower side of the leakage removing cavity is connected with a rotating cleaning plate fixedly connected with a motor shaft, a purifying cavity is arranged in the purifying box and positioned at the upper side of the detection cavity, a purifying device is arranged in the purifying cavity, the purifying device comprises a control sliding cavity which is positioned at the inner wall of the lower side of the purifying cavity and is communicated with the inner wall of the lower side of the purifying cavity up and down, a control block is connected in the control sliding cavity in a sliding manner, a control spring is fixedly connected between the lower side of the control block and the outer wall of the upper side of the detection cavity, a linkage rope is fixedly connected between the lower side of the control block and the upper side of the detection filter plate, and a cleaning cavity which is symmetrical up and down by taking the purifying cavity as a symmetrical center is arranged at the right side of the control sliding cavity and positioned at the upper inner wall and the lower wall of the purifying cavity, the purifying box is internally provided with a constant pressure cavity at the upper side of the purifying cavity, and a constant pressure device is arranged in the constant pressure cavity.

2. The air monitoring device for the incubator of newly born endangered animals according to claim 1, characterized in that: purify the chamber with the weighing apparatus is pressed the chamber left side and is link up and is equipped with the air guide chamber, the fixed fan that is equipped with in air guide chamber, the fixed fence railing that encloses that is equipped with of weighing apparatus pressure chamber right side outer wall, the fixed temperature regulating plate that is equipped with of heat preservation chamber right side inner wall, the temperature regulating plate right side just is located heat preservation chamber upside inner wall fixedly connected with temperature-sensing ware.

3. The air monitoring device for the incubator of newly born endangered animals according to claim 1, characterized in that: detection device is still including being located rotate clearance board left side and with remove escape cavity downside inner wall fixed connection link up extremely the scum pipe of heat preservation chamber left side outer wall, detect the fixed aspiration pump that is equipped with in lumen left side, detect the filter plate between the ooff valve with it is fixed to be equipped with deformation board to detect lumen inner wall, deformation board right side with it is fixed to be equipped with deformation inductor to detect lumen downside inner wall, the cam downside with it is fixed to be equipped with the switch spout to detect the fixed switch spout that is equipped with of chamber downside inner wall, sliding connection in the switch spout and with cam sliding connection has the air pump switch, air pump switch downside with fixedly connected with switch spring between the switch spout downside inner wall.

4. The air monitoring device for the incubator of newly born endangered animals according to claim 1, characterized in that: the purifying device also comprises a catalyzing device which is positioned on the left side of the control block and is fixedly connected with the inner wall of the purifying cavity, the inner wall of the lower side of the cleaning cavity is fixedly provided with three filter screen spray heads of a front array and a rear array, the front inner wall and the rear inner wall of the cleaning cavity are symmetrically and rotatably connected with filter screen belt wheels with power in a left-right mode about the filter screen spray heads, four filter screen belt wheels are connected through filter screen belts, the outer wall of the rear side of the cleaning cavity is fixedly provided with a cleaning box, a cleaning cavity with a forward opening is arranged in the cleaning box, the inner wall of the upper side of the cleaning cavity and the inner wall of the upper side of the cleaning cavity are communicated with a conveying belt with power, the inner wall of the lower side of the cleaning cavity is fixedly provided with a cleaning air pump positioned on the outer wall of the rear side of the cleaning cavity, the fixed handle that is equipped with in washing door rear side, the handle downside just is located wash the fixed fixture block that is equipped with in case rear side, the fixed keeper slider that is equipped with of fixture block, wash the case rear side with it is equipped with the keeper to wash the sliding of door rear side, be equipped with the keeper spout that link up about in the keeper, the keeper spout with keeper slider sliding connection, keeper spout downside inner wall with fixedly connected with keeper spring between the fixture block downside.

5. The air monitoring device for the incubator of newly born endangered animals according to claim 1, characterized in that: the constant pressure device comprises an oxygen adding pipe penetrating through the inner wall of the left side of the constant pressure cavity to the outer wall of the left side of the heat preservation cavity, the right side of the oxygen adding pipe is fixedly connected with a contraction valve for controlling the gas passing rate by air pressure, the inner wall of the upper side of the constant pressure cavity is fixedly provided with a connecting block, the right side of the contraction valve and the lower side of the connecting block are fixedly provided with an oxygen spraying port, the right side of the connecting block and the inner wall of the upper side of the control sliding cavity are fixedly provided with an air valve sliding cavity, the right side of the air valve sliding cavity is fixedly connected with an air bag, an air valve control block is connected in the air valve sliding cavity, the inner wall of the right side of the air valve control block and the upper side of the constant pressure cavity is provided with an air pumping pipe which is communicated inside and outside, an air pumping pump is connected to the upper side of, and an air valve spring is fixedly connected between the right side of the air valve and the inner wall of the right side of the air valve sliding cavity.

Technical Field

The invention relates to the field of air purification, in particular to an air monitoring device for a newly-born endangered animal incubator.

Background

Because the change of environment makes the species begin to reduce, it is more strong to ask the body to protect the endangered animal, and it is most effective to protect its cub to protect the endangered animal, sets up the insulation can that is fit for living for the cub, effectively reduces the cub mortality.

The traditional insulation can only controls the temperature, and most of purified air is put in a pumping and placing mode, so that the efficiency is low, the purification is not thorough, and the internal air pressure equipment is not controlled. The present invention sets forth a device that solves the above problems.

Disclosure of Invention

The technical problem is as follows: adopt gaseous detection device, start purifier when gaseous unqualified, adjust atmospheric pressure when atmospheric pressure is too high or low.

For solving the above problem, the new born endangered animal insulation can air monitor of this example, the power distribution box comprises a box body, be equipped with the heat preservation chamber in the box, the fixed purifying box that is equipped with of heat preservation chamber left side inner wall, be equipped with the detection chamber in the purifying box, it is equipped with detection device to detect the intracavity, including being located in the detection device detect the fixed motor that is equipped with of chamber downside inner wall, motor upside power connection has the motor shaft, it is connected with the camshaft to detect the rotation of chamber right side inner wall, the camshaft with through bevel gear pair transmission between the motor shaft, fixedly connected with cam on the camshaft, it is equipped with the detection tube to detect the fixed detection of chamber upside inner wall, be equipped with in the detection tube and control the detection lumen that link up, inner wall sliding connection just with cam sliding fit's ooff valve about the detection lumen, the switch valve left side with detect lumen upside inner wall counterbalance A plate, a leakage removing box is fixedly connected between the lower side of the detection filter plate and the outer wall of the lower side of the detection tube cavity, a leakage removing cavity which is connected with the detection filter plate in a sliding manner is arranged in the leakage removing box, an upper array and a lower array are fixedly arranged on the front inner wall and the rear inner wall of the leakage removing cavity, the front end and the rear end of the leakage removing cavity are connected with three scraping plates in a sliding manner, the left end and the right end of the leakage removing cavity are connected with three scraping plates in a sliding manner, the inner wall of the lower side of the leakage removing cavity is connected with a rotating cleaning plate in a sliding manner and is fixedly connected with a motor shaft, a cleaning cavity is arranged in the cleaning box and is positioned on the upper side of the detection cavity, a cleaning device is arranged in the cleaning cavity, a control sliding cavity which is vertically communicated with the inner wall of the lower, the smooth chamber right side of control just is located inner wall is equipped with about purifying the chamber with purifying the chamber and being the clean chamber of symmetry center longitudinal symmetry, just be located in the purifying box purifying the chamber upside and being equipped with the constant pressure chamber, the intracavity is pressed to the constant pressure is equipped with the constant pressure device.

The purification cavity and the left side of the constant pressure cavity are communicated with an air guide cavity, a fan is fixedly arranged in the air guide cavity, a fence is fixedly arranged on the outer wall of the right side of the constant pressure cavity, a temperature adjusting plate is fixedly arranged on the inner wall of the right side of the heat preservation cavity, and the temperature adjusting plate is arranged on the right side of the temperature adjusting plate and is fixedly connected with a temperature sensor on the inner wall of the upper side of the heat preservation cavity.

Wherein, detection device is still including being located rotate clearance board left side and with remove escape cavity downside inner wall fixed connection link up extremely the scum pipe of heat preservation chamber left side outer wall, detect the fixed aspiration pump that is equipped with in lumen left side, detect the filter plate between the ooff valve with it is fixed to be equipped with deformation board to detect lumen inner wall, deformation board right side with it is fixed to be equipped with deformation inductor to detect lumen downside inner wall, the cam downside with it is fixed to be equipped with the switch spout to detect lumen downside inner wall, sliding connection in the switch spout and with cam sliding connection has the air pump switch, air pump switch downside with fixedly connected with switch spring between the switch spout downside inner wall.

Wherein, the purifying device also comprises a catalyzing device which is positioned on the left side of the control block and is fixedly connected with the inner wall of the purifying cavity, the lower inner wall of the cleaning cavity is fixedly provided with three filter screen spray heads of a front array and a rear array, the front inner wall and the rear inner wall of the cleaning cavity are symmetrically and rotatably connected with filter screen belt wheels with power about the filter screen spray heads, four filter screen belt wheels are connected through filter screen belts, the outer wall of the rear side of the cleaning cavity is fixedly provided with a cleaning box, a cleaning cavity with a forward opening is arranged in the cleaning box, the upper inner wall of the cleaning cavity and the upper inner wall of the cleaning cavity are communicated with a conveying belt with power, the lower inner wall of the cleaning cavity and the outer wall of the rear side of the cleaning cavity are fixedly provided with a cleaning air pump, the upper side of the cleaning air pump is fixedly provided with a cleaning spray head, an air, the fixed handle that is equipped with in washing door rear side, the handle downside just is located wash the fixed fixture block that is equipped with in case rear side, the fixed keeper slider that is equipped with of fixture block, wash the case rear side with it is equipped with the keeper to wash the sliding of door rear side, be equipped with the keeper spout that link up about in the keeper, the keeper spout with keeper slider sliding connection, keeper spout downside inner wall with fixedly connected with keeper spring between the fixture block downside.

Wherein, the constant pressure device comprises an oxygen adding pipe which penetrates through the inner wall of the left side of the constant pressure cavity to the outer wall of the left side of the heat preservation cavity, the right side of the oxygen adding pipe is fixedly connected with a contraction valve which controls the gas passing rate by air pressure, the inner wall of the upper side of the constant pressure cavity is fixedly provided with a connecting block, the right side of the contraction valve and the lower side of the connecting block are fixedly provided with an oxygen spraying port, the right side of the connecting block and the upper side of the control sliding cavity are fixedly provided with an air valve sliding cavity, the right side of the air valve sliding cavity is fixedly connected with an air bag, the air valve sliding cavity is internally and slidably connected with an air valve control block, the inner wall of the right side of the air valve control block and the upper side of the constant pressure cavity is provided with an air pumping pipe which is communicated with the inside and the outside, the upper side of the air pumping pipe, and an air valve spring is fixedly connected between the right side of the air valve and the inner wall of the right side of the air valve sliding cavity.

The invention has the beneficial effects that: according to the invention, whether the gas is pure is detected by detecting the gravity of solid particles, the detection filter plate is automatically cleaned, the filter screen is cleaned when the purified air is filtered, carbon dioxide is converted into oxygen after the air is filtered, the air inlet and the air outlet are simultaneously controlled by the constant pressure device, the air pressure in the heat insulation box is kept appropriate, and the temperature in the heat insulation box can be kept constant.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view of the overall structure of an air monitoring device for a newly-born endangered animal incubator according to the present invention;

FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;

FIG. 3 is an enlarged partial schematic view at "B" of FIG. 1;

fig. 4 is a partially enlarged schematic view at "C" of fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to an air monitoring device for a newly-born endangered animal incubator, which is mainly applied to water-saving irrigation, and the invention is further explained by combining the attached drawings of the invention as follows: the invention relates to an air monitoring device for a newly-born endangered animal insulation can, which comprises a case body 11, wherein an insulation cavity 50 is arranged in the case body 11, a purifying case 12 is fixedly arranged on the inner wall of the left side of the insulation cavity 50, a detection cavity 13 is arranged in the purifying case 12, a detection device 901 is arranged in the detection cavity 13, a motor 46 is fixedly arranged on the inner wall of the lower side of the detection cavity 13 and comprises a motor 46, the upper side of the motor 46 is in power connection with a motor shaft 47, the inner wall of the right side of the detection cavity 13 is in rotary connection with a cam shaft 42, the cam shaft 42 and the motor shaft 47 are in transmission through a bevel gear pair, a cam 41 is fixedly connected on the cam shaft 42, a detection pipe 15 is fixedly arranged on the inner wall of the upper side of the detection cavity 13, a detection pipe cavity 16 which is communicated from left to right is arranged, the left side of the switch valve 39 is connected with the inner wall of the upper side of the detection tube cavity 16 in an offsetting manner, and is connected with the detection filter plate 37 in a sliding manner, the lower side of the detection filter plate 37 is fixedly connected with a leakage removal box 70 with the outer wall of the lower side of the detection tube cavity 16, a leakage removal cavity 71 which is connected with the detection filter plate 37 in a sliding manner is arranged in the leakage removal box 70, an upper array and a lower array are fixedly arranged on the front inner wall and the rear inner wall of the leakage removal cavity 71, a left tip end is connected with the right side of the detection filter plate 37 in a sliding manner, a rotary cleaning plate 73 is fixedly connected with the motor shaft 47 in a sliding manner and is arranged in the leakage removal box 70, a purification cavity 22 is arranged on the upper side of the detection cavity 13 in the purification cavity 12, a purification device 902 is arranged in the purification cavity 22, and the purification device 902 comprises, sliding connection has control block 21 in the smooth chamber 18 of control, control block 21 downside with fixedly connected with control spring 19 between the 16 upside outer walls of detection lumen, control block 21 downside with detect fixedly connected with linkage rope 20 between the filter plate 37 upside, work as when adsorbing too much filter residue on the detection filter plate 37, gravity increases, it passes through to detect the filter plate 37 linkage rope 20 pulling control block 21 gliding, control is smooth 18 right sides in chamber and is located inner wall is equipped with about purifying chamber 22 for clean chamber 33 of symmetry center longitudinal symmetry, just be located in the purifying box 12 purify chamber 22 upside and be equipped with constant pressure chamber 30, be equipped with constant pressure device 903 in the constant pressure chamber 30.

Beneficially, the purification cavity 22 and the left side of the constant pressure cavity 30 are provided with an air guide cavity 24 in a penetrating manner, the air guide cavity 24 is internally and fixedly provided with a fan 25, the outer wall of the right side of the constant pressure cavity 30 is fixedly provided with a barrier rail 31 for preventing animals in the heat preservation box from passing through, the inner wall of the right side of the heat preservation cavity 50 is fixedly provided with a temperature regulation plate 49, and the inner wall of the right side of the temperature regulation plate 49 and the inner wall of the upper side of the heat preservation cavity 50 are fixedly connected with a temperature.

According to the embodiment, the following detailed description will be given to the detection device 901, the detection device 901 further includes a slag-pumping pipe 14 located at the left side of the rotary cleaning plate 73 and fixedly connected to the inner wall of the lower side of the leakage-removing cavity 71 and penetrating to the outer wall of the left side of the heat-preserving cavity 50, the left side of the detection cavity 16 is fixedly provided with a suction pump 17, a deformation plate 38 is fixedly arranged between the detection filter plate 37 and the switch valve 39 and the inner wall of the detection cavity 16, the right side of the deformation plate 38 and the inner wall of the lower side of the detection cavity 16 are fixedly provided with a deformation sensor 40, when the deformation of the deformation plate 38 is too large, the deformation sensor 40 transmits a signal to reduce the suction rate of the suction pump 17, the lower side of the cam 41 and the inner wall of the lower side of the detection cavity 13 are fixedly provided with a switch chute 44, the switch chute 44 is slidably connected, the switch spring 45 is fixedly connected between the lower side of the air pump switch 43 and the inner wall of the lower side of the switch chute 44, when the cam 41 contacts the air pump switch 43 and gradually presses down the air pump switch 43, the air pump 17 is started to start air pumping, and the rotary cleaning plate 73 guides the impurities scraped by the scraping plate 72 to move leftwards, and finally passes through the pumping device of the slag pumping pipe 14.

According to the embodiment, the following detailed description of the purification apparatus 902 is provided, the purification apparatus 902 further includes a catalytic apparatus 23 located on the left side of the control block 21 and fixedly connected to the inner wall of the purification chamber 22, the catalytic apparatus 23 is capable of converting carbon dioxide into oxygen, the inner wall of the lower side of the cleaning chamber 33 is fixedly provided with three filter screen nozzles 36 arranged in a front-back array, the inner walls of the front and back of the cleaning chamber 33 are connected to filter screen pulleys 34 with power in a left-right symmetric manner with respect to the filter screen nozzles 36, the four filter screen pulleys 34 are connected by filter screen belts 35, the outer wall of the rear side of the cleaning chamber 33 is fixedly provided with a cleaning tank 51, a cleaning chamber 52 with a forward opening is arranged in the cleaning tank 51, the inner wall of the upper side of the cleaning chamber 33 and the inner wall of the upper side of the cleaning chamber 52 are provided with a conveyor belt 32 with power in, the cleaning device is characterized in that a cleaning nozzle 54 is fixedly arranged on the upper side of a cleaning air pump 55, an air pipe is connected between the cleaning air pump 55 and the filter screen nozzle 36, a cleaning door 53 is hinged to the rear side of the cleaning cavity 52, a handle 56 is fixedly arranged on the rear side of the cleaning door 53, a clamping block 59 is fixedly arranged on the lower side of the handle 56 and on the rear side of the cleaning box 51, a door bolt slider 60 is fixedly arranged on the clamping block 59, a door bolt 57 is movably arranged on the rear side of the cleaning box 51 and on the rear side of the cleaning door 53, a door bolt sliding groove 58 which is through from left to right is arranged in the door bolt 57, the door bolt sliding groove 58 is in sliding connection with the door bolt slider 60, a door bolt spring 61 is fixedly connected between the inner wall of the lower side of the door bolt sliding groove 58 and the lower side of the clamping block 59, when the filter screen belt 35 rotates to the nozzle of the filter screen belt wheel 34, filter, the cleaning nozzle 54 blows off the residue on the conveyor belt 32 and collects the residue in the cleaning chamber 52, and a person cleans the residue in the cleaning chamber 52 by pressing down the latch 57, pulling the handle 56, and opening the cleaning door 53.

According to the embodiment, the pressure balancing device 903 is described in detail below, the pressure balancing device 903 includes an oxygen adding pipe 26 penetrating through the left inner wall of the pressure balancing cavity 30 to the left outer wall of the heat preservation cavity 50, a contracting valve 27 for controlling the gas passing rate by air pressure is fixedly connected to the right side of the oxygen adding pipe 26, a connecting block 29 is fixedly arranged on the upper inner wall of the pressure balancing cavity 30, an oxygen spraying port 28 is fixedly arranged on the right side of the contracting valve 27 and the lower side of the connecting block 29, an air valve sliding cavity 63 is fixedly arranged on the right side of the connecting block 29 and the upper inner wall of the control sliding cavity 18, an air bag 62 is fixedly connected to the right side of the air valve sliding cavity 63, an air valve control block 64 is slidably connected in the air valve sliding cavity 63, an air pumping pipe 67 penetrating inside and outside is arranged on the right side of the air valve control block 64 and on the upper inner wall of the pressure balancing cavity 30, an air pumping pump, an air valve 66 is connected with the lower side of the one-way valve 68 and the air valve sliding cavity 63 in a sliding manner, an air valve connecting rod 65 is fixedly connected between the air valve control block 64 and the air valve 66, an air valve spring 69 is fixedly connected between the right side of the air valve 66 and the inner wall of the right side of the air valve sliding cavity 63, when the air pressure is too low, the diameter of the contraction valve 27 is increased, the oxygenation speed is accelerated, the air bag 62 is expanded, the air valve control block 64 is positioned at the leftmost side, and the air valve 66 seals the air suction pipe 67; when the air pressure is too high, the diameter of the contraction valve 27 is reduced, the oxygenation speed is reduced, the air bag 62 is compressed, the air valve control block 64 is pushed by the air, the air valve 66 does not seal the air suction pipe 67, and the air in the constant pressure cavity 30 is sucked through the air suction pipe 67.

The following describes in detail the use steps of the air monitoring device for the incubator of newly born endangered animals with reference to fig. 1 to 4: initially, the control spring 19, the switch spring 45, the bolt slider 60 and the air valve spring 69 are relaxed, and the maximum diameter of the cam 41 is in contact with the switch valve 39, so that the switch valve 39 closes the detection lumen 16, and the motor is started.

During detection, the cam 41 rotates, when the cam 41 contacts the air pump switch 43 and gradually presses the air pump switch 43 downwards, the air pump 17 starts to pump air, when the deformation amount of the deformation plate 38 is too large, the deformation sensor 40 conducts signals to reduce the air pumping speed of the air pump 17, air passes through the detection filter plate 37, impurities are filtered on the detection filter plate 37, when too much filter residue is adsorbed on the detection filter plate 37, gravity is increased, the detection filter plate 37 moves downwards, the filter residue on the detection filter plate 37 is scraped by the scraper 72, the impurities scraped by the scraper 72 are guided to move leftwards by rotating the cleaning plate 73, finally the impurities are pumped out through the residue pumping pipe 14, the detection filter plate 37 pulls the control block 21 to move downwards through the linkage rope 20, the air pump 17 is closed, and the fan 25 is opened to start to purify the air.

During purification, filter screen belt 35 filters out the residue, in advancing clean chamber 33, filter screen belt 35 outer lane residue is brought into the clean chamber 33 of upside, filter screen belt 35 inner circle residue is brought into the clean chamber 33 of downside, when filter screen belt 35 rotated filter screen band pulley 34 spout department, filter residue on filter screen belt 35 was blown on conveyer belt 32, conveyer belt 32 takes the residue to get into in the washing chamber 52, wash the residue on conveyer belt 32 of shower nozzle 54 blowing down, and collect in washing chamber 52, the people is through pushing down keeper 57, pulling handle 56, open washing door 53, wash the residue in the washing chamber 52, catalytic unit 23 turns into oxygen with carbon dioxide.

When the air pressure is too low in constant pressure, the diameter of the contraction valve 27 is increased, the oxygenation speed is accelerated, the air bag 62 is expanded, the air valve control block 64 is positioned at the leftmost side, and the air valve 66 seals the air extraction pipe 67; when the air pressure is too high, the diameter of the contraction valve 27 is reduced, the oxygenation speed is reduced, the air bag 62 is compressed, the air pushes the air valve control block 64 to move rightwards, the air valve 66 does not seal the air exhaust pipe 67, and the air in the constant pressure cavity 30 is exhausted through the air exhaust pipe 67.

When the temperature is constant, the temperature sensor 48 detects the temperature in the thermal insulation box, and controls the temperature change of the temperature adjusting plate 49 to keep the temperature in the thermal insulation cavity 50 constant.

When the detection is finished, the control spring 19, the switch spring 45, the bolt sliding block 60 and the air valve spring 69 are reset, the position with the largest diameter of the cam 41 is in contact with the switch valve 39, the switch valve 39 is enabled to seal the detection tube cavity 16, and the motor is turned off.

The invention has the beneficial effects that: according to the invention, whether the gas is pure is detected by detecting the gravity of solid particles, the detection filter plate is automatically cleaned, the filter screen is cleaned when the purified air is filtered, carbon dioxide is converted into oxygen after the air is filtered, the air inlet and the air outlet are simultaneously controlled by the constant pressure device, the air pressure in the heat insulation box is kept appropriate, and the temperature in the heat insulation box can be kept constant.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.