CN211854180U - Air detection device and ducted air conditioner - Google Patents

Abstract

The utility model provides an empty gas detection surveys device and tuber pipe machine, including tuber pipe and detecting element the inside first runner and the second runner of setting up of tuber pipe sets up the purification module in a runner at least set up the control gate between first runner and the second runner, the control gate is controlled according to detecting element's testing result the opening or closing of first runner with the closing or opening of second runner. The double-air-channel air outlet is arranged, the switching between different flow channels is controlled through the control door, the purification function is increased, peculiar smell and part of dangerous gas are filtered, and the safety performance is better; and will purify the module setting in the second runner for when normally sending wind, the air does not contact with purification module, and purification module also can not lead to the fact the hindrance to the air inlet, guarantees the intake in the tuber pipe, and is isolated with purification module and outside air simultaneously, prevents normal air to purification module's consumption, prolongs purification module's life.

Description

Air detection device and ducted air conditioner

Technical Field

The utility model relates to an air conditioner field particularly, relates to an empty gas detection surveys device and tuber pipe machine.

Background

The cleanliness of indoor air influences the comfort level and the sense of safety of resident's life constantly. The musty smell and the peculiar smell of the room directly influence the life experience of residents. The colorless and tasteless harmful gases such as carbon monoxide, coal gas and the like have great threat to the life safety of residents, and particularly, the leakage of the harmful gases cannot be found in time when the residents sleep well at night, so that the life safety of the residents is threatened.

Therefore, the air purifier is integrated inside the air duct machine, the air duct machine has the temperature adjusting function and the air purifying function, so that the function diversification can be realized, the space is saved, and the cost is saved. However, the ducted air conditioner with an air purification function in the prior art has a single operation mode, still needs a large operation power, and enables the power consumption of the ducted air conditioner to be increased significantly.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an empty gas detection surveys device and tuber pipe machine to solve the tuber pipe machine operational mode that has the air purification function among the prior art single, the energy consumption is great, and can not judge whether carried out the problem of effective purification.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the air detection device comprises an air pipe and a detection unit, wherein a first flow channel and a second flow channel are arranged inside the air pipe, a purification module is arranged in at least one flow channel, a control door is arranged between the first flow channel and the second flow channel, and the control door controls the opening or closing of the first flow channel and the closing or opening of the second flow channel according to the detection result of the detection unit. By arranging the double-air-channel air outlet, the purification function is added under the condition of not influencing normal use, peculiar smell and part of dangerous gas are filtered, the safety performance is better, the switching among different flow channels is controlled by controlling the door, the consumed power is lower, and the operation is easy; and will purify the module setting in the second runner for when normally sending wind, the air does not contact with purification module, and purification module also can not lead to the fact the hindrance to the air inlet, guarantees the intake in the tuber pipe, and is isolated with purification module and outside air simultaneously, prevents normal air to purification module's consumption, prolongs purification module's life.

Furthermore, tuber pipe one end sets up the air intake, and the other end sets up the air outlet, by including fan and heat exchanger between air intake to the air outlet, detecting element includes first detecting element and second detecting element, first detecting element sets up air intake department, the second detecting element sets up air outlet department. The setting of first detecting element makes no matter whether the fan operates, and whether first detecting element can the inside air of twenty-four hours incessant detection entering tuber pipe contain abnormal gas, guarantees the security of indoor environment, and the setting of second detecting element makes the air quality of detection only when the fan operates, can effectively detect purification module's purifying effect on the one hand, guarantees the indoor air quality, and on the other hand improves its life.

Further, the first flow channel is a straight flow channel, and the second flow channel is arranged on at least one side of the first flow channel. The first flow channel is set to be a straight flow channel, so that smooth air flow is ensured during normal air outlet; the second flow channel is arranged on one side of the first flow channel, so that the first flow channel and the second flow channel are effectively distinguished and are not mutually influenced.

Furthermore, an upper base plate is arranged between the first flow channel and the second flow channel, a first notch and a second notch are respectively arranged between the two ends of the upper base plate and the lower bottom surface of the first flow channel, and the control door is arranged at the two ends of the upper base plate and used for closing or opening the first notch and the second notch. The air that guarantees to get into the inside tuber pipe through the air intake purifies in getting into the second runner through first breach, discharges through the second breach again, guarantees that the air flow in the second runner is smooth and easy, prevents that a large amount of air from piling up in the second runner and can't discharge and influencing the air inlet, improves the operating stability of air detection device and tuber pipe machine.

Further, the second flow passage is arranged between the first gap and the second gap, the control door is arranged as a rotatable or movable partition plate, and the control door is used for closing or opening the second flow passage. The first gap forms an air inlet of the second flow channel, the second gap forms an air outlet of the second flow channel, so that air in the second flow channel can smoothly circulate, and the control door is provided with a rotatable or movable partition plate, so that the selective switching between the first flow channel and the second flow channel can be controlled conveniently.

Furthermore, the control door comprises a first partition plate and a second partition plate, the first partition plate is connected with one end of the upper bottom plate through a first driving device, the second partition plate is connected with the other end of the upper bottom plate through a second driving device, the first partition plate is used for opening or closing the first notch, and the second partition plate is used for opening or closing the second notch. The first breach is used for closing the air inlet end of second runner, and the second breach is used for closing the air-out end of second runner, guarantees that first runner and second runner are separately completely and can the piece switch, avoids when using first runner, and normal air plays the guard action to purification module's consumption, improves purification module's life.

Furthermore, the air detection device also comprises a control unit and an alarm unit, wherein the detection unit, the control unit and the alarm unit are electrically connected.

Furthermore, a lower bottom plate parallel to the upper bottom plate is arranged at the lower part of the upper bottom plate, and a second flow passage is formed between the upper bottom plate and the lower bottom plate.

Compared with the prior art, empty gas detection surveys device have following advantage:

1) through setting up two wind channels air-out, under the condition that does not influence normal use, increase purification performance, filter peculiar smell and partial dangerous gas, the security performance is better. And will normally supply air and air purification separate completely for when normally supplying air, the air does not contact with purification module, and purification module also can not lead to the fact the hindrance to the air inlet, guarantees the intake in the tuber pipe, and is isolated with purification module and outside air simultaneously, prevents the consumption of normal air to purification module, prolongs purification module's life. In addition, the switching among different runners is controlled by rotating the partition plate with light weight, so that the power consumption is low and the operation is easy.

2) The setting of first detecting element makes no matter whether the fan operates, and whether first detecting element can the inside air of twenty-four hours incessant detection entering tuber pipe contain abnormal gas, guarantees the security of indoor environment, and the setting of second detecting element makes the air quality of detection only when the fan operates, can effectively detect purification module's purifying effect on the one hand, guarantees the indoor air quality, and on the other hand improves its life.

The utility model also provides an air duct machine, including above empty gas detection surveys device.

The air duct machine has the same advantages as the air detection device and the air detection method compared with the prior art, and the detailed description is omitted.

Drawings

Fig. 1 is a schematic structural view of an air detection device according to an embodiment of the present invention in a normal air supply mode;

fig. 2 is a schematic structural view of an air detection device according to an embodiment of the present invention in an air cleaning mode;

fig. 3 is a schematic flow chart of the air detection control method according to the embodiment of the present invention.

Description of reference numerals:

1-air pipe, 2-fan, 3-heat exchanger, 4-first clapboard, 5-first driving device, 6-purification module, 7-second driving device, 8-second clapboard, 9-first flow channel, 10-second flow channel, 11-first detection unit, 12-second detection unit, 13-air inlet, 14-air outlet, 61-first filter layer, 62-second filter layer, 63-third filter layer, 64-fourth filter layer, 65-fifth filter layer, 15-alarm unit, 16-upper base plate, 17-lower base plate, 18-lower base plate, 19-first gap, 20-second gap, 21-upper base plate

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

Example 1

As shown in fig. 1-2, the present embodiment provides an air detection device, including an air duct 1 and a detection unit, where the detection unit is used to detect air components, the detection unit is disposed inside or at an end of the air duct 1, an air inlet 13 and an air outlet 14 are respectively disposed at front and rear ends of the air duct 1, and a fan 2, a heat exchanger 3 and a purification module 6 are disposed between the air inlet 13 and the air outlet 14 in the air duct 1;

a first flow channel 9 and a second flow channel 10 are provided inside the air duct 1, and a purification module 6 is provided in at least one of the flow channels, preferably the purification module 6 is provided in the second flow channel 10.

In the normal air supply mode, air is discharged from the air outlet 14 after passing through the first flow channel 9, and in the air purification mode or the alarm mode, air is filtered and purified by the purification module 6 through the second flow channel 10 and then is discharged from the air outlet 14. A control gate is arranged between the first flow passage 9 and the second flow passage 10, and the control gate controls the switching of the first flow passage 9 and the second flow passage 10 according to the detection result of the detection unit, namely, the control gate controls the opening or closing of the first flow passage 9 and the closing or opening of the second flow passage 10 according to the detection result of the detection unit.

Through setting up two wind channels air-out, under the condition that does not influence normal use, increase purification performance, filter peculiar smell and partial dangerous gas, the security performance is better. And will normally supply air and air purification separate completely for when normally supplying air, the air does not contact with purification module 6, and purification module 6 also can not lead to the fact the hindrance to the air inlet, guarantees the intake in the tuber pipe, and is isolated with purification module 6 and outside air simultaneously, prevents the consumption of normal air to purification module, extension purification module 6's life. In addition, the switching among different runners is controlled by rotating the partition plate with light weight, so that the power consumption is low and the operation is easy.

As the embodiment of the utility model provides a part, this embodiment empty gas detection surveys device still include the control unit and alarm unit 15, the electricity is connected between the detection unit, the control unit and the alarm unit, guarantees effectual signal transmission, the restriction is not done to the concrete position that sets up of control unit and alarm unit 15.

And the control unit switches the operation modes according to the received different signals detected by the detection unit. When the detection unit detects that the air entering the air pipe 1 contains abnormal components, the control unit controls the alarm unit 15 to automatically give an alarm for prompting, controls the partition plate to rotate and switch to the second flow channel 10, and executes an air purification mode; when the detection unit detects that the air purified by the purification module 6 of the second flow channel 10 still contains abnormal gas, namely the abnormal gas cannot be absorbed by the purification module 6, the control unit controls the air to enter an alarm mode, and the alarm unit continuously alarms; when the detection unit detects that the air entering the air duct 1 does not contain abnormal components, the control unit controls the partition plate to rotate and switch to the first flow passage 9, and a normal air supply mode is executed.

Further, the determination criteria for the presence of abnormal components in the air in the present embodiment are as follows: the content of the harmful substances which can be born by the human body is set according to the actual content of the harmful substances which can be born by the human body, or the content can be set independently according to the habits and the requirements of the user.

This embodiment sets up above three kinds of operating modes for the user can select according to actual conditions, and application scope is extensive, the above-mentioned empty gas detection surveys device's of being convenient for popularization and application.

The air detection device further comprises a selection terminal, when a user needs to actively remove peculiar smell or harmful substances in indoor air, the air purification mode can be manually selected to be started through the selection terminal, when the user does not have the air purification requirement, the normal air supply mode can be manually selected to be started, and the air detection device is wide in application range.

Further, the first flow channel 9 is a straight flow channel, so that smooth air flow during normal air outlet is ensured; the second flow channel 10 is arranged on at least one side of the first flow channel 9.

Preferably, the second flow channel 10 is disposed at the lower part or side of the first flow channel 9, the top or side of the second flow channel 10 is flush with the bottom or side of the first flow channel 9, and the second flow channel 10 is disposed between the heat exchanger 3 and the air outlet 14, and the opening or sealing of the second flow channel 10 is controlled by the control valve. Thereby distinguishing the first flow passage 9 from the second flow passage 10 so that the normal air supply mode and the air purification mode do not affect each other.

Further, the control door can be arranged as a rotatable or movable partition, and the control door is simple in structure and convenient to operate.

An upper plate 16 is disposed between the first flow channel 9 and the second flow channel 10, the upper plate 16 forms a ceiling of the second flow channel 10, a lower plate 17 is disposed below the upper plate 16 in parallel with the upper plate 16, and the second flow channel 10 is formed between the upper plate 16 and the lower plate 17.

Set up first breach 19 and second breach 20 between the both ends of upper plate 16 and the lower bottom surface 18 of first runner 9 respectively, second runner 10 sets up between first breach 19 and second breach 20, first breach 19 forms the air inlet end of second runner 10, second breach 20 forms the air-out end of second runner 10, guarantee that the air that gets into tuber pipe 1 inside through the air intake purifies in getting into second runner 10 through first breach 19, discharge through second breach 20 again, guarantee that the air flow in the second runner 10 is smooth and easy, prevent that a large amount of air from piling up in second runner 10 and can't discharge and influencing the air inlet, improve the operating stability of air detection device and tuber pipe machine.

Further, control doors are provided at both ends of the upper plate 16 for sealing or opening the first and second notches 19 and 20, i.e., the control doors are used for closing or opening the second flow path 10. The control door comprises a first partition plate 4 and a second partition plate 8, wherein the first partition plate 4 is connected with one end of the upper bottom plate 16 through a first driving device 5, the second partition plate 8 is connected with the other end, rotated by a second driving device 7, of the upper bottom plate 16, the first partition plate 4 is used for opening or closing the first notch 19, and the second partition plate 8 is used for opening or closing the second notch 20.

Preferably, first drive arrangement 5 and second drive arrangement 7 all set up to the pivot motor, make things convenient for the rotation of first baffle 4 and second baffle 8 to pivot motor simple structure saves 1 inner space of tuber pipe, avoids influencing the air flow.

Furthermore, the detection unit comprises a first detection unit 11 and a second detection unit 12, the detection unit sends the detected signal to the control unit, and the control unit controls the rotation of the rotatable first partition plate 4 and the rotatable second partition plate 8 according to the detection signal, so as to realize the switching of different operation modes.

The first detection unit 11 is disposed at the air inlet 13, or at the front end of the air inlet 13 or at a position near the air inlet 13 before the fan 2, and is configured to detect whether air entering the air duct 1 contains abnormal gas, the second detection unit 12 is disposed at the air outlet 14 or at the front end of the air outlet 14 and is configured to detect whether air passing through the second flow channel 10 can be purified and absorbed by the purification module 6, preferably, the second detection unit 12 is disposed behind the second flow channel 10, and more preferably, the second detection unit 12 is disposed behind the air outlet end or the air outlet end of the second flow channel 10. The first detection unit 11 is arranged to continuously detect the air quality within twenty-four hours no matter whether the fan 2 runs or not, so that the safety of the indoor environment is ensured; the second detection unit 12 detects the air quality only when the fan 2 operates, and on one hand, the purification effect of the purification module 6 can be effectively detected, so that the indoor air quality is ensured, and on the other hand, the service life of the indoor air quality is prolonged.

When the air detection device starts to operate, the fan 2 operates, air circulates in the air pipe 1, the first detection unit 11 located at the air inlet 13 detects the air quality of inlet air in real time, the second detection unit 12 located close to the air outlet 14 detects the air quality of outlet air in real time, and the detected signal is sent to the control unit. So that when abnormal components in the air passing through the purification module 6 can not be purified and absorbed, the second detection unit 12 can detect in time, the indoor air quality discharged into the room through the air pipe 1 is ensured, meanwhile, the second detection unit 12 has a certain indication effect on the purification module 6, and a user is reminded in time whether the purification module 6 needs to be replaced or cleaned or replaced.

If first detecting element 11 detects when the air composition is as good as nothing, the control unit control first baffle 4 and second baffle 8 rotate to 18 parallel and level with the lower bottom surface of first runner 9, close the air inlet end and the air-out end of second runner 10 from this for the air does not contact with purification module 6, directly discharges through first runner 9, is normal air supply mode this moment.

If the first detection unit 11 detects that the air composition is abnormal, the control unit controls the alarm unit 15 to automatically alarm, and simultaneously controls the first partition plate 4 and the second partition plate 8 to rotate to be in contact with the upper bottom surface 21 of the first flow channel 9, the two ends of the first flow channel 9 are closed, the second flow channel 10 is opened, the air purification mode is executed, and air enters the second flow channel 10 to be purified.

If the second detection unit 12 also detects that the air components are abnormal, it is indicated that the purification module 6 cannot effectively purify the abnormal components in the air, the control unit controls the first partition plate 4 and the second partition plate 8 to keep in contact with the upper bottom surface 21 of the first flow channel 9, the two ends of the first flow channel 9 are continuously closed, the second flow channel 10 keeps in an open state, the control unit controls the fan 2 to stop running, and meanwhile, the control unit controls the alarm unit 15 to make a continuous alarm prompt and execute an alarm mode.

Preferably, the first detection unit 11 and the second detection unit 12 are provided as gas sensors, and can accurately detect whether the air passing through the detection units contains abnormal components, thereby improving the detection accuracy.

More preferably, purification module 6 is by air inlet end to the direction of air-out end including first filter layer 61 in proper order, second filter layer 62, third filter layer 63, fourth filter layer 64 and fifth filter layer 65, first filter layer 61 and fifth filter layer 65 all set up to active carbon filter core, second filter layer 62 and fourth filter layer 64 all set up to active silicon filter core, third filter layer 63 sets up to alumina filter core, make the air pass through multistage filtration from this, can purify multiple anomalous gas, guarantee to carry out the abundant purification to the air that contains anomalous gas, improve the security and the travelling comfort of the indoor living environment of user.

Further, the abnormal component of the present invention includes: hazardous gases such as hydrogen sulfide, carbon monoxide, carbon dioxide, formaldehyde, combustible gases, or harmful particulates, etc.

Example 2

As shown in fig. 1 to 3, as a part of the embodiment of the present invention, the present embodiment provides an air detection method, using the air detection device described above, the method includes:

step S100, acquiring the air quality condition detected by a first detection unit;

step S200, selecting an operation mode according to the user use condition and the air quality condition detected by the first detection unit;

step S300, acquiring air quality conditions detected by a first detection unit and a second detection unit;

step S400, selecting an operation mode according to the air quality conditions detected by the first detection unit and the second detection unit;

the air quality conditions include the following three:

the first detection unit detects that the air components are not abnormal, which indicates that the air entering the air pipe 1 through the air inlet 13 and the air discharged through the air outlet 14 have good quality, do not contain abnormal components or have low content of the abnormal components, and do not affect the human health;

only the first detection unit 11 detects that the air components are abnormal, and the second detection unit 12 detects that the air components are not abnormal, which indicates that the air quality entering the air pipe 1 through the air inlet 13 is abnormal, but the air quality discharged through the air outlet 14 is good;

the first detection unit 11 and the second detection unit 12 both detect the abnormality of the air components, which indicates that both the air entering the air duct 1 through the air inlet 13 and the air discharged through the air outlet 14 contain harmful components.

The operation modes include:

in the normal air supply mode, the fan 2 normally operates, the first flow channel 9 in the air pipe 1 is opened, the second flow channel 10 is closed, air at the air inlet 13 is sent into the air pipe 1 by the fan 2, exchanges heat with the heat exchanger 3, circulates in the first flow channel 9, and is discharged to the indoor through the air outlet 14;

in the air purification mode, the fan 2 normally operates, the second flow channel 10 in the air pipe 1 is opened, the first flow channel 9 is closed, air at the air inlet 13 is sent into the air pipe 1 by the fan 2, exchanges heat with the heat exchanger 3, circulates in the second flow channel 10, is effectively purified by the purification module 6 in the second flow channel 10, and is discharged indoors through the air outlet 14;

and in the alarm mode, the fan 2 stops running, the second flow channel 10 in the air pipe 1 is opened, the first flow channel 9 is closed, and the alarm unit 15 continuously gives an alarm.

Specifically, step S100 includes the following steps:

step S101, turning on a power supply;

step S102, the first detection unit 11 starts to work;

further, step S200 includes the following process:

when the first detection unit 11 detects that the air components are abnormal, the control unit controls the alarm unit 15 to automatically give an alarm and prompt, and starts an air purification mode; when the first detection unit 11 detects that the air composition is not abnormal, the alarm unit 15 stops the alarm prompt, and the user can independently select the normal air supply mode or the air purification mode.

Further, step S200 includes:

step S201, the first detection unit 11 detects whether the air composition is abnormal, if so, step S202 is executed, and if not, step S203 is executed;

step S202, the alarm unit 15 automatically gives an alarm to prompt, and step S204 is executed;

step S203, stopping the alarm prompt and executing step S205;

step S204, the control unit controls to start the air purification mode and executes step S301;

step S205, judging whether the user uses, if yes, executing step S206, if no, executing step S404;

step S206, judging whether the air purification mode is started, if so, executing step S207, otherwise, executing step S208;

step S207, starting an air purification mode, and executing step S209;

step S208, starting a normal air supply mode, and executing step S209;

in step S209, it is determined whether the user is using the apparatus, and if so, the process returns to step S206, and if not, step S404 is executed.

Make when unusual composition surpasses the setting value in the air, the utility model provides an air purification mode can the unusual composition in the air-purifying to when unusual composition is not the setting value in the air, the user can independently select whether open the purification mode, can effectively improve resident living environment's security and travelling comfort, is applicable to the user of different demands.

Further, step S300 includes:

the second detection unit 12 detects whether the air composition is abnormal, if so, step S401 is executed, otherwise, step S102 is returned to;

further, step S400 includes the following process:

when the first detection unit 11 and the second detection unit 12 both detect that the air components are abnormal, the control unit controls to start the alarm mode; when the first detection unit 11 detects that the air components are abnormal and the second detection unit 12 detects that the air components are not abnormal, the control unit controls to start the air purification mode; when the first detection unit 11 and the second detection unit 12 both detect that the air composition is not abnormal, the control unit controls to exit the alarm mode.

Further, step S400 includes

Step S401, starting an alarm mode, and executing step S402;

step S402, the first detection unit 11 and the second detection unit 12 both detect whether the air composition is abnormal, if so, the process returns to step S401, and if not, the process executes step S403;

step S403, exiting the alarm mode, and executing step S404;

and S404, judging whether the power supply is started, if so, returning to the S101, and if not, finishing the detection.

The utility model provides an empty gas detection surveys method, whether can all-weather incessant detection air composition unusual, timely early warning harmful component, and switch three kinds of operational mode according to the air quality condition, application scope is extensive, and the security and the travelling comfort of resident's living environment are improved to the using electricity wisely.

As a part of the embodiment of the utility model provides a tuber pipe machine is still provided, tuber pipe machine includes the tuber pipe off-premises station and above empty gas detection survey device.

The air duct machine and the air detection device have the same advantages compared with the prior art, and the detailed description is omitted.

As part of the embodiments of the present invention, there is also provided a computer-readable storage medium storing a computer program, which when read and executed by a processor, implements the air detection method as described above.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.

Claims (9)

1. The air detection device comprises an air pipe (1) and a detection unit, and is characterized in that a first flow channel (9) and a second flow channel (10) are arranged inside the air pipe (1), a purification module (6) is arranged in at least one flow channel, a control door is arranged between the first flow channel (9) and the second flow channel (10), and the control door controls the opening or closing of the first flow channel (9) and the closing or opening of the second flow channel (10) according to a detection result of the detection unit.

2. The air detection device according to claim 1, wherein the air duct (1) is provided with an air inlet (13) at one end and an air outlet (14) at the other end, the air inlet (13) to the air outlet (14) comprises a fan (2) and a heat exchanger (3), the detection unit comprises a first detection unit (11) and a second detection unit (12), the first detection unit (11) is arranged at the air inlet (13), and the second detection unit (12) is arranged at the air outlet (14).

3. The air detection device according to claim 1, wherein the first flow channel (9) is provided as a straight flow channel and the second flow channel (10) is provided on at least one side of the first flow channel (9).

4. The air detection device according to claim 1, wherein an upper plate (16) is disposed between the first flow passage (9) and the second flow passage (10), a first notch (19) and a second notch (20) are respectively disposed between both ends of the upper plate (16) and a lower bottom surface (18) of the first flow passage (9), and the control doors are disposed at both ends of the upper plate (16) for closing or opening the first notch (19) and the second notch (20).

5. Air detection device according to claim 4, characterized in that the second flow channel (10) is arranged between the first gap (19) and a second gap (20), and that the control door is arranged as a rotatable or movable partition for closing or opening the second flow channel (10).

6. The air detection device according to claim 5, wherein the control door comprises a first partition (4) and a second partition (8), the first partition (4) is connected to one end of the upper base plate (16) by a first driving device (5), the second partition (8) is connected to the other end of the upper base plate (16) by a second driving device (7), the first partition (4) is used for opening or closing the first gap (19), and the second partition (8) is used for opening or closing the second gap (20).

7. The air detection device according to claim 1, further comprising a control unit and an alarm unit (15), wherein the detection unit, the control unit and the alarm unit (15) are electrically connected.

8. The air detection device according to claim 4, wherein a lower bottom plate (17) is provided in parallel with the upper bottom plate (16) at a lower portion of the upper bottom plate (16), and a second flow passage (10) is formed between the upper bottom plate (16) and the lower bottom plate (17).

9. A ducted air conditioner characterized by the air detecting device of any one of claims 1 to 8.

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