CN110286201B - Air detector - Google Patents
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- CN110286201B CN110286201B CN201910670378.5A CN201910670378A CN110286201B CN 110286201 B CN110286201 B CN 110286201B CN 201910670378 A CN201910670378 A CN 201910670378A CN 110286201 B CN110286201 B CN 110286201B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0073—Control unit therefor
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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Abstract
The invention provides an air detector, which comprises a box body, an air collecting unit and an air detecting unit, wherein the air collecting unit is arranged in the box body, the air detecting unit is arranged in the box body, the air collecting unit collects outside air in the box body and transmits the outside air to the air detecting unit according to a preset flow rate, and the air detecting unit analyzes and detects the collected air. According to the invention, the air collection unit and the air detection unit are arranged, so that the outside air is collected in the box body and is transmitted to the air detection unit according to the preset flow rate, and the air detection unit analyzes and detects the collected air. Various detection sensors are intensively arranged in the circuit board structure, and the air with the same mass is detected, so that errors are avoided.
Description
Technical Field
The invention relates to the technical field of air piece detection, in particular to an air detector capable of eliminating interference of surrounding environment.
Background
With the increasing attention of people to data such as environmental quality and meteorological conditions, the industry is also working on developing related software and hardware to provide data such as environmental quality and meteorological conditions concerned by clients in real time, and in addition, due to the development of modern technologies, the cost of data storage is greatly reduced, the technologies such as cloud computing and big data analysis are becoming mature day by day, and the demand for obtaining a large amount of raw data (raw data) has increased.
However, the air detection technology currently adopted in the industry cannot meet the two requirements, and in particular, the existing air quality detection equipment includes a satellite navigation system (GPS) air detection device, a storage device and a battery, and usually a circuit board is used for processing in a laboratory or outdoors, and when actually performing detection, the existing air quality detection equipment is often influenced by an external environment, and the detection precision of the existing air quality detection equipment is different according to different detection environments.
Disclosure of Invention
In view of this, the invention provides an air detector, which aims to solve the technical problem that the existing air detector is inaccurate in detection due to environment.
The invention provides an air detector, which comprises a box body, an air collecting unit arranged in the box body, and an air detecting unit arranged in the box body, wherein,
the air collection unit collects outside air in the box body and transmits the outside air to the air detection unit according to a preset flow rate, and the air detection unit analyzes and detects the collected air;
the air collection unit comprises a negative pressure fan arranged on one side face of the box body, and an air cover sleeved on the negative pressure fan from the inside of the box body, wherein the negative pressure fan is completely covered in the air cover, so that air sucked by the negative pressure fan completely enters the air cover, the outlet end of the air cover is communicated with a first air inlet pipe, and a first adjusting valve is arranged on the first air inlet pipe and used for controlling the flow rate of the air entering the air detection unit;
the air detection unit is arranged on a first transverse plate in the middle of the box body and is used for detecting various air indexes, the air detection unit comprises a plurality of air detection sensors and a control chip, and the plurality of air detection sensors are respectively communicated with the control chip; a second transverse plate is arranged above the first transverse plate, and an adjusting unit is arranged on the second transverse plate and used for adjusting the surrounding environment of the air detection unit;
the first transverse plate is provided with two symmetrical air bags, the bottoms of the two air bags are adhered to the bottom side plate, and a plane capable of placing an air detection sensor and a control chip is formed; a circuit board is arranged in the air bags, the circuit board comprises the air detection sensor and a control chip, a first conduit is arranged at the connecting end of the two air bags and is communicated with external equipment through a transmission wire, and the two air bags and the first conduit are bonded together to form a sealing structure; the air bag comprises an air bag body, and is characterized in that at least one pressure sensor, at least one humidity sensor, at least one temperature sensor and at least one sound wave sensor are arranged on the inner side wall of the air bag body, the pressure sensor, the humidity sensor, the temperature sensor and the sound wave sensor are used for detecting the air pressure, the humidity, the temperature and the sound wave of the air bag body respectively, and transmitting the detection result into a control chip, and the control chip is used for comparing according to a pre-stored standard threshold value and adjusting.
Furthermore, the control chip is arranged at the middle part of the circuit board, processes air detection results of the sensors and can adjust external equipment;
still include the carbon monoxide sensor that carries out the detection to carbon monoxide concentration, carry out the PM2.5 sensor that detects to PM2.5, carry out the ozone sensor that detects to ozone, carry out the nitrogen dioxide sensor that detects to nitrogen dioxide, carry out the sulfur dioxide sensor that detects to sulfur dioxide, carry out the formaldehyde sensor that detects to formaldehyde.
Furthermore, the circuit board is also provided with a row of fans for cooling through the fans when the temperature of the control board is overhigh;
the circuit board is also provided with a USB communication interface, a power interface, a screen interface and a temperature and humidity sensor interface for communicating with external equipment and inputting power.
Furthermore, the circuit board is also engraved with airflow channels, which comprise a first airflow channel entering the circuit board from one bottom corner and arranged from the other corresponding bottom corner, a second airflow channel arranged from the first airflow channel to one side, and a third airflow channel arranged from the first airflow channel to the other side, wherein each airflow channel is an arc-shaped channel;
the gas flowing through the first gas flow channel is communicated with a PM2.5 sensor, a formaldehyde sensor and a nitrogen dioxide sensor, the second gas flow channel is communicated with a carbon monoxide sensor, and the third gas flow channel is communicated with a sulfur dioxide sensor.
Furthermore, an atomization chamber is arranged in the air bag, an atomization pipe is arranged in the air bag, a second conduit is arranged outside the atomization pipe and used for conveying the atomization pipe, and the second conduit is bonded and sealed with the two air bags;
the part of the second conduit pipe extends into the atomizing pipe, and the initial end of the atomizing pipe is provided with an atomizer which atomizes the moisture in the atomizing pipe in a temperature controllable manner and atomizes the moisture in the atomizing chamber.
Furthermore, the adjusting unit comprises an air pump, a flow meter arranged on a pipeline at the output end of the air pump, and an external protection pipeline, wherein an atomizing pipe and a gas pipe are arranged in the protection pipeline, the gas bag and the protection pipeline are connected through a connecting flange, the gas bag is provided with an extending end, and the gas bag is arranged on the upper side and the lower side of the connecting flange through fastening screws.
Further, when the temperature in the air bag is lower than the preset temperature, the temperature sensor transmits a detection result into the control chip, the control chip controls the atomizer to stop working, and meanwhile, the exhaust fan stops working until the temperature is in a proper range;
when the temperature is too high, control chip control atomizer stops atomizing the atomizing pipe, and when the temperature was still too high, temperature sensor transmitted the testing result to the control chip in, control chip control air pump action, will the volume of gasbag increases, enlarges the heat radiating area of gasbag, and the mode through the thermal diffusion is with the heat effluvium, and simultaneously, the heat dissipation fan is opened.
Further, when the humidity sensor detects that the humidity in the air bag is higher than the preset humidity, the control chip controls the atomizer to stop atomizing, controls the air pump to act at the same time, increases the volume of the air bag, enlarges the heat dissipation area of the air bag, dries in a mode of reducing the temperature of the air bag and the inner space of the air bag at the same time, and opens the heat dissipation fan;
when the humidity in the air bag is lower than the preset humidity, the control chip controls the air pump to act, the size of the air bag is reduced, the space of the air bag is reduced, and meanwhile, the atomizer is started to increase the humidity.
Further, a first regulating valve is arranged on the first air inlet pipe and used for controlling the flow rate of air entering the air detection unit; and a first air pump is further arranged at the outlet end of the first regulating valve, and a second air inlet pipe is further arranged at the outlet end of the first air pump and used for discharging air in the first air pump into the air detection unit.
Furthermore, the connecting flange comprises air bag connecting holes arranged at the upper side and the lower side and screw holes vertically formed with the air bag connecting holes; and a wire hole for the second wire conduit to pass through and a gas conduit hole for the protection gas conduit and the electric wire to pass through are also formed in the horizontal direction of the connecting flange, and the second wire conduit and the gas conduit pass through the connecting flange and then enter the inside of the air bag.
Compared with the prior art, the air collection device has the advantages that the air collection unit and the air detection unit are arranged, outside air is collected in the box body and is transmitted to the air detection unit according to the preset flow rate, and the air detection unit analyzes and detects the collected air. Various detection sensors are intensively arranged in the circuit board structure, and the air with the same mass is detected, so that errors are avoided. The circuit board is also engraved with airflow channels, which enter the circuit board from one bottom corner and are arranged from the corresponding other bottom corner, a first airflow channel is arranged from the first airflow channel to one side, and a third airflow channel is arranged from the first airflow channel to the other side, and each airflow channel is an arc-shaped channel, so that pressure difference and backflow are avoided in the airflow process. The gas flowing through the first gas flow channel is communicated with the PM2.5 sensor, the formaldehyde sensor and the nitrogen dioxide sensor, the second gas flow channel is communicated with the carbon monoxide sensor, and the third gas flow channel is communicated with the sulfur dioxide sensor. And each channel is respectively communicated with different sensors, so that various air parameters can be conveniently and simultaneously detected.
Furthermore, the air detection unit detects the air pressure, humidity, temperature and sound wave of the air bag by arranging the adjusting unit, and transmits the detection result into the control chip, the control chip compares the detection result with the pre-stored standard threshold value to adjust the environmental parameters of the air bag, and the adjusting unit is arranged outside the air bag to adjust the humidity, the temperature and the air pressure in the air bag. The control chip is internally provided with threshold values related to temperature, humidity, air pressure and electroacoustic wave, wherein when the temperature in the air bag is lower than the preset temperature, the temperature sensor transmits a detection result into the control chip, the control chip controls the atomizer to stop working, and meanwhile, the exhaust fan stops working until the temperature is in a proper range; when the temperature is too high, the control chip controls the atomizer to stop atomizing the atomizing pipe, when the temperature is too high, the temperature sensor transmits the detection result to the control chip, the control chip controls the air pump to act, the size of the air bag is increased, the heat dissipation area of the air bag is enlarged, heat is dissipated in a heat diffusion mode, and meanwhile, the heat dissipation fan is started.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic structural diagram of an air detector according to an embodiment of the present invention;
FIG. 2 is a schematic circuit diagram according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an air detection unit according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an adjusting unit according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of an airbag mounting flange according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, which is a schematic structural diagram of an air detector according to an embodiment of the present invention, the air detector according to the embodiment includes a box 10, where the box 10 is a cube or other three-dimensional structure, an air collecting unit disposed in the box, and an air detecting unit 5 disposed in the box, where the air collecting unit collects outside air in the box and transmits the outside air to the air detecting unit according to a preset flow rate, and the air detecting unit analyzes and detects the collected air.
In the present embodiment, the air collection unit includes a negative pressure fan 61 disposed on one side of the box 10, which is clamped on the side of the box, and an air hood 62 sleeved on the negative pressure fan 61 from the inside of the box, wherein the air hood completely covers the negative pressure fan therein, so that the air sucked by the negative pressure fan 61 completely enters the air hood. In this embodiment, the air hood is made of rubber, which can be bent, and a flange is disposed at an edge of the inlet of the air hood, and the flange can be fixed to the inner side surface of the box body by screws or by adhesion, which is not described again.
With continued reference to fig. 1, the outlet end of the air hood 62 of the present embodiment is communicated with a first air inlet pipe 64, and a first adjusting valve 63 is disposed on the first air inlet pipe 64 and controls the flow rate of air entering the air detecting unit 5. A first air pump 65 is further disposed at an outlet end of the first regulating valve 63, and a second air inlet pipe 66 is further disposed at an outlet end of the first air pump 65, and discharges air in the first air pump 65 into the air detection unit. It will be appreciated by those skilled in the art that the first air pump may be disposed at either the inlet or the outlet end of the first regulator valve.
Continuing to refer to fig. 1, the air detection unit 5 of the present embodiment is disposed on the first horizontal plate 71 in the middle of the box body, and detects various air indexes; a second horizontal plate 72 is further disposed above the first horizontal plate 71, and an adjusting unit 27 is disposed on the second horizontal plate 72 and adjusts the surrounding environment of the air detecting unit 5 so that the air detecting unit 5 can detect in a constant environment.
Referring to fig. 2, which is a schematic structural diagram of a circuit block diagram according to an embodiment of the present invention, a control chip 1 is disposed in a middle portion of a circuit board according to the embodiment, and is configured to process air detection results of each sensor and adjust an external device; still include the carbon monoxide sensor 31 that detects carbon monoxide concentration, PM2.5 sensor 32 that detects PM2.5, ozone sensor 34 that detects ozone, the nitrogen dioxide sensor 36 that detects nitrogen dioxide, sulfur dioxide sensor 37 that detects sulfur dioxide, formaldehyde sensor 35 that detects formaldehyde. Each sensor transmits the real-time detection result to the control chip 1. The circuit board is further provided with an array of fans 33 for cooling the control panel by the fans when the temperature of the control panel is too high. The circuit board is also provided with a USB communication interface 21, a power interface 24, a screen interface 23 and a temperature and humidity sensor interface 22 for communicating with external equipment and inputting power.
Referring to fig. 2, the circuit board of this embodiment is further engraved with an airflow channel 7, which includes a first airflow channel 71 entering the circuit board from one bottom corner and arranged from the other corresponding bottom corner, a second airflow channel 72 arranged from the first airflow channel to one side, and a third airflow channel 73 arranged from the first airflow channel to the other side, where each airflow channel is an arc-shaped channel to avoid pressure difference and backflow in the airflow process. The gas flowing through the first gas flow channel is communicated with the PM2.5 sensor, the formaldehyde sensor and the nitrogen dioxide sensor, the second gas flow channel is communicated with the carbon monoxide sensor, and the third gas flow channel is communicated with the sulfur dioxide sensor. In this embodiment, the airflow channel is etched on the circuit board, and the depth of the airflow channel is half of the depth of the circuit board.
Referring to fig. 3, which is a schematic structural diagram of an air detection unit according to an embodiment of the present invention, a plurality of air detection sensors 20 are respectively communicated with a control chip 1; two symmetrical air bags 21 are arranged on the first transverse plate 71, and the bottoms of the two air bags 21 are adhered to the bottom side plate to form a plane on which an air detection sensor and a control chip can be placed. Be provided with the circuit board in the gasbag, the circuit board includes empty gas detection surveys sensor 20 and control chip 1, sets up first wire tube 90 at the link of two gasbags, through transmission wire and external equipment switch-on, two gasbags bond together with first wire tube 90 to form seal structure.
Continuing to refer to fig. 3, at least one pressure sensor 92, at least one humidity sensor 94, at least one temperature sensor 93 and at least one sound wave sensor 91 are arranged on the inner side wall of the air bag, and are used for respectively detecting the air pressure, the humidity, the temperature and the sound wave of the air bag and transmitting the detection result to the control chip 1, and the control chip compares the detection result according to a pre-stored standard threshold value to adjust the environmental parameters of the air bag. The air bag of the present embodiment is provided with a regulating unit 27 for regulating the humidity, temperature and pressure inside the air bag. Also included is a sound wave generator 28 that generates a change in sound waves of the surrounding environment by generating sound waves; and the power supply is used for respectively supplying power to each electric device.
An atomizing chamber 26 is arranged in the air bag, an atomizing pipe is arranged in the atomizing chamber, a second conduit 271 is arranged outside the atomizing pipe and used for conveying the atomizing pipe, and the second conduit 271 is bonded and sealed with the two air bags.
Referring to fig. 4, the adjusting unit 27 includes an air pump 57, a flow meter 55 disposed on the output pipeline of the air pump 57, and an external protection pipeline 54, in which an atomizing pipe 53 and a gas pipe 59 are disposed, and the air bag is connected to the protection pipeline 54 through a connecting flange 51, and has an extended end, and the air bag is mounted on the upper and lower sides of the connecting flange 51 through fastening screws 52. As shown in fig. 5, the connection flange 51 of the present embodiment includes an airbag connection hole 511 disposed at upper and lower sides, and a screw hole 512 vertically opened to the airbag connection hole 511; and a wire guide hole 513 for the second wire guide 271 to pass through and a gas pipe hole 514 for the protective gas pipe 59 and the electric wire to pass through are also formed in the horizontal direction of the connecting flange, and the second wire guide 271 and the gas pipe 59 penetrate through the connecting flange and then enter the inside of the air bag. Wherein a portion of the second conduit 271 extends into the atomizing pipe, and an atomizer 58 is disposed at an initial end of the atomizing pipe, and atomizes the moisture therein in a temperature-controlled manner, and atomizes the moisture in the atomizing chamber 26. The atomizing chamber 26 of the present embodiment is made of polyethylene, and after the atomization by the atomizing tube, it can atomize into the air bag space 54.
Specifically, threshold values related to temperature, humidity, air pressure and electroacoustic wave are set in the control chip 1, wherein when the temperature in the airbag is lower than a preset temperature, the temperature sensor transmits a detection result into the control chip, the control chip controls the atomizer to stop working, and meanwhile, the exhaust fan 33 stops working until the temperature is in a proper range; when the temperature is too high, the control chip controls the atomizer to stop atomizing the atomizing pipe, when the temperature is too high, the temperature sensor transmits the detection result to the control chip, the control chip controls the air pump to act, the size of the air bag is increased, the heat dissipation area of the air bag is enlarged, heat is dissipated in a heat diffusion mode, and meanwhile, the heat dissipation fan is started.
When the humidity sensor detects that the humidity in the air bag is higher than the preset humidity, the control chip controls the atomizer to stop atomizing, and simultaneously controls the air pump to act, so that the volume of the air bag is increased, and the heat dissipation area of the air bag is enlarged; when the humidity in the air bag is lower than the preset humidity, the control chip controls the air pump to act, the size of the air bag is reduced, the space of the air bag is reduced, and meanwhile, the atomizer is started to increase the humidity.
The embodiment of the invention adjusts the humidity and the temperature in the air bag by changing the space of the air bag and changing the atomization condition of the air bag.
When the air pressure sensor detects that the air pressure in the air bag is low, the control chip controls the air pump to act, the volume of the air bag is reduced, the air pressure is increased, and meanwhile atomization is stopped; when the air pressure sensor detects that the air pressure in the air bag is higher, the control chip controls the air pump to act, the volume of the air bag is increased, the air pressure is reduced, and meanwhile, the atomizer appropriately compensates the pressure of the air bag through the atomizing pipe.
When the acoustic wave sensor detects that the acoustic wave is low, the acoustic wave generator 28 starts to act to increase the acoustic wave; when the acoustic wave sensor detects that the acoustic wave is high, the acoustic wave generator 28 starts to operate, and the acoustic wave is reduced.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An air detecting apparatus, comprising: the box body also comprises an air collecting unit arranged in the box body and an air detecting unit arranged in the box body, wherein,
the air collection unit collects outside air in the box body and transmits the outside air to the air detection unit according to a preset flow rate, and the air detection unit analyzes and detects the collected air;
the air collection unit comprises a negative pressure fan arranged on one side face of the box body, and an air cover sleeved on the negative pressure fan from the inside of the box body, wherein the negative pressure fan is completely covered in the air cover, so that air sucked by the negative pressure fan completely enters the air cover, the outlet end of the air cover is communicated with a first air inlet pipe, and a first adjusting valve is arranged on the first air inlet pipe and used for controlling the flow rate of the air entering the air detection unit;
the air detection unit is arranged on a first transverse plate in the middle of the box body and is used for detecting various air indexes, the air detection unit comprises a plurality of air detection sensors and a control chip, and the air detection sensors are respectively communicated with the control chip; a second transverse plate is arranged above the first transverse plate, and an adjusting unit is arranged on the second transverse plate and used for adjusting the surrounding environment of the air detection unit;
the first transverse plate is provided with two symmetrical air bags, the bottoms of the two air bags are adhered to the bottom side plate, and a plane capable of placing an air detection sensor and a control chip is formed; a circuit board is arranged in the air bags, the circuit board comprises the air detection sensor and a control chip, a first conduit is arranged at the connecting end of the two air bags and is communicated with external equipment through a transmission wire, and the two air bags and the first conduit are bonded together to form a sealing structure; the air bag comprises an air bag body, and is characterized in that at least one pressure sensor, at least one humidity sensor, at least one temperature sensor and at least one sound wave sensor are arranged on the inner side wall of the air bag body, the pressure sensor, the humidity sensor, the temperature sensor and the sound wave sensor are used for detecting the air pressure, the humidity, the temperature and the sound wave of the air bag body respectively, and transmitting the detection result into a control chip, and the control chip is used for comparing according to a pre-stored standard threshold value and adjusting.
2. The air detector according to claim 1, wherein the control chip is disposed on a middle portion of the circuit board, and is configured to process air detection results of the sensors and adjust external devices;
still include the carbon monoxide sensor that carries out the detection to carbon monoxide concentration, carry out the PM2.5 sensor that detects to PM2.5, carry out the ozone sensor that detects to ozone, carry out the nitrogen dioxide sensor that detects to nitrogen dioxide, carry out the sulfur dioxide sensor that detects to sulfur dioxide, carry out the formaldehyde sensor that detects to formaldehyde.
3. The air detector according to claim 2, wherein the circuit board is further provided with an exhaust fan for cooling the control board when the temperature of the control board is too high;
the circuit board is also provided with a USB communication interface, a power interface, a screen interface and a temperature and humidity sensor interface for communicating with external equipment and inputting power.
4. The air detector according to claim 2, wherein the circuit board is further engraved with air flow channels, including a first air flow channel entering the circuit board from one bottom corner and arranged from the corresponding other bottom corner, a second air flow channel arranged from the first air flow channel to one side, and a third air flow channel arranged from the first air flow channel to the other side, each air flow channel being an arc-shaped channel;
the gas flowing through the first gas flow channel is communicated with a PM2.5 sensor, a formaldehyde sensor and a nitrogen dioxide sensor, the second gas flow channel is communicated with a carbon monoxide sensor, and the third gas flow channel is communicated with a sulfur dioxide sensor.
5. An air detector according to claim 3 wherein an atomising chamber is provided within the air-bag, an atomising tube is provided within the chamber, a second conduit is provided outside the atomising tube for connection to the atomising tube, the second conduit being sealed to the two air-bags;
the part of the second conduit pipe extends into the atomizing pipe, and the initial end of the atomizing pipe is provided with an atomizer which atomizes the moisture in the atomizing pipe in a temperature controllable manner and atomizes the moisture in the atomizing chamber.
6. An air detector according to claim 5, wherein the adjusting unit comprises an air pump, a flow meter arranged on a pipeline at the output end of the air pump, and an external protection pipeline, wherein an atomizing pipe and an air delivery pipe are arranged in the protection pipeline, the air bag and the protection pipeline are connected through a connecting flange, the air bag is provided with an extending end, and the air bag is arranged on the upper side and the lower side of the connecting flange through fastening screws.
7. The air detector according to claim 6, wherein when the temperature in the air bag is lower than a preset temperature, the temperature sensor transmits a detection result to the control chip, the control chip controls the atomizer to stop working, and simultaneously, the exhaust fan stops working until the temperature is in a proper range;
when the temperature is too high, control chip control atomizer stops atomizing the atomizing pipe, and when the temperature was still too high, temperature sensor transmitted the testing result to the control chip in, control chip control air pump action, will the volume of gasbag increases, enlarges the heat radiating area of gasbag, and the mode through the heat diffusion is with the heat effluvium, and simultaneously, the exhaust fan is opened.
8. The air detector according to claim 6, wherein when the humidity sensor detects that the humidity in the air bag is higher than a preset humidity, the control chip controls the atomizer to stop atomizing, controls the air pump to act to increase the volume of the air bag and enlarge the heat dissipation area of the air bag, and the air detector dries the air by reducing the temperature of the air bag and the internal space of the air bag at the same time, and turns on the exhaust fan;
when the humidity in the air bag is lower than the preset humidity, the control chip controls the air pump to act, the size of the air bag is reduced, the space of the air bag is reduced, and meanwhile, the atomizer is started to increase the humidity.
9. The air detector according to claim 6, wherein the first air inlet pipe is provided with a first regulating valve which controls the flow rate of air entering the air detection unit; and a first air pump is further arranged at the outlet end of the first regulating valve, and a second air inlet pipe is further arranged at the outlet end of the first air pump and used for discharging air in the first air pump into the air detection unit.
10. The air detector according to claim 6, wherein the flange includes airbag attachment holes disposed at upper and lower sides thereof, and screw holes opened perpendicular to the airbag attachment holes; and a wire hole for the second wire conduit to pass through and a gas conduit hole for the protection gas conduit and the electric wire to pass through are also formed in the horizontal direction of the connecting flange, and the second wire conduit and the gas conduit pass through the connecting flange and then enter the inside of the air bag.
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| CN201910670378.5A CN110286201B (en) | 2019-07-24 | 2019-07-24 | Air detector |
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| CN201910670378.5A CN110286201B (en) | 2019-07-24 | 2019-07-24 | Air detector |
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| CN110286201B true CN110286201B (en) | 2020-03-13 |
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| CN111289314A (en) * | 2020-04-16 | 2020-06-16 | 吕梁学院 | Detection sampling device for severe environment |
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| JPH05179922A (en) * | 1991-12-27 | 1993-07-20 | Japan Electron Control Syst Co Ltd | Detector of fuel concentration in blow-by gas |
| US6479019B1 (en) * | 1999-04-15 | 2002-11-12 | Quantum Group, Inc. | Sensor and sensor assembly for detecting a target gas in a breath sample |
| CN2935157Y (en) * | 2006-07-27 | 2007-08-15 | 河南汉威电子有限公司 | Gas collection apparatus of alcohol detector |
| CN203232020U (en) * | 2013-04-12 | 2013-10-09 | 启迪汇智建筑科技（北京）有限公司 | Indoor air quality detection device and system comprising same |
| CN206161622U (en) * | 2016-10-28 | 2017-05-10 | 尹延柏 | Air quality tester |
| CN109709269A (en) * | 2018-12-28 | 2019-05-03 | 朱玉玲 | A kind of portable air quality detector |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05179922A (en) * | 1991-12-27 | 1993-07-20 | Japan Electron Control Syst Co Ltd | Detector of fuel concentration in blow-by gas |
| US6479019B1 (en) * | 1999-04-15 | 2002-11-12 | Quantum Group, Inc. | Sensor and sensor assembly for detecting a target gas in a breath sample |
| CN2935157Y (en) * | 2006-07-27 | 2007-08-15 | 河南汉威电子有限公司 | Gas collection apparatus of alcohol detector |
| CN203232020U (en) * | 2013-04-12 | 2013-10-09 | 启迪汇智建筑科技（北京）有限公司 | Indoor air quality detection device and system comprising same |
| CN206161622U (en) * | 2016-10-28 | 2017-05-10 | 尹延柏 | Air quality tester |
| CN109709269A (en) * | 2018-12-28 | 2019-05-03 | 朱玉玲 | A kind of portable air quality detector |
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| Publication number | Publication date |
|---|---|
| CN110286201A (en) | 2019-09-27 |
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