CN110596316A - Indoor air quality monitoring device - Google Patents
Indoor air quality monitoring device Download PDFInfo
- Publication number
- CN110596316A CN110596316A CN201910890231.7A CN201910890231A CN110596316A CN 110596316 A CN110596316 A CN 110596316A CN 201910890231 A CN201910890231 A CN 201910890231A CN 110596316 A CN110596316 A CN 110596316A
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- indoor air
- sensor
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- shaped cavity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- 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
-
- 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
-
- 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
- G01N33/0036—Specially adapted to detect a particular component
-
- 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
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/004—Specially adapted to detect a particular component for CO, CO2
-
- 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
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/0047—Specially adapted to detect a particular component for organic compounds
-
- 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
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital using a threshold to release an alarm or displaying means
Abstract
An indoor air quality monitoring device comprises a shell, a fan and a detection module. The fan is arranged at the thin opening of the horn-shaped cavity and used for sucking indoor air from the thin opening of the horn-shaped cavity and discharging the indoor air from the wide opening of the horn-shaped cavity. The detection module comprises a detection main board and a plurality of sensor arrays arranged on the detection main board, wherein the detection main board is arranged at the wide mouth of the horn-shaped cavity and is parallel to the plane of the wide mouth of the horn-shaped cavity along the plane. Because the even symmetrical arrangement of sensor array is along in the wide-mouth of tubaeform cavity, when the wide-mouth of room air follow tubaeform cavity was discharged, evenly passed through sensor array for the gas of the inside sensor array monitoring of casing keeps unanimous with the outside gas of casing in real time, and then has reduced the measurement delay time.
Description
Technical Field
The invention relates to the technical field of air detection, in particular to an indoor air quality monitoring device.
Background
The existing indoor air quality monitoring device is mainly used for monitoring the change of various related parameters in ambient air, and mainly comprises temperature, humidity, carbon monoxide, inhalable particles, formaldehyde, oxygen, VOC, electromagnetic radiation, ionizing radiation and the like. In practical application, when the concentration of the gas to be detected outside the shell of the monitoring device changes, certain errors exist between the concentration inside and outside the shell. When the concentration of the outside is not changed, the concentration of the inside and the outside of the shell has a certain error after a period of time. When the concentration outside the shell is not changed, the concentration inside and outside the shell is basically consistent after a certain time, and the time is called concentration delay. The electrochemical sensor used in the monitoring device has a measured response time, i.e. the time from when the gas concentration changes to when the sensor output signal correspondingly changes, which is referred to as the measurement delay. Therefore, when the air monitoring device measures the gas concentration, once the concentration in the environment changes, the air monitoring device needs to experience a concentration delay plus a measurement delay to be fed back to a user, and the time needs to be shortened as much as possible from the viewpoint of the user.
Disclosure of Invention
The invention mainly solves the technical problem of reducing the measurement delay time of the air quality monitoring device.
According to a first aspect, an embodiment provides an indoor air quality monitoring device comprising a housing, a fan, and a detection module;
the shell is horn-shaped, and a horn-shaped cavity is formed in the shell;
the fan is arranged at the narrow opening of the horn-shaped cavity and is used for sucking indoor air from the narrow opening of the horn-shaped cavity and discharging the indoor air from the wide opening of the horn-shaped cavity;
the detection module comprises a detection main board and a plurality of sensor arrays; the detection main board is arranged at the wide mouth of the horn-shaped cavity and is parallel to the plane of the inner edge of the wide mouth of the horn-shaped cavity; the plurality of sensor arrays are used for detecting parameters of the indoor air; a plurality of sensor array sets up detect on the mainboard, and even symmetrical arranging in the wide-mouth inner edge of tubaeform cavity to make when the wide-mouth of room air follow tubaeform cavity discharges, evenly pass through sensor array.
Furthermore, the detection mainboard is circular, and the plurality of sensor arrays are uniformly and symmetrically arranged on the edge of the detection mainboard.
Further, each sensor array includes a PM2.5 sensor, a temperature and humidity sensor, a carbon dioxide sensor, a TVOC sensor, a negative oxygen ion sensor, and/or a formaldehyde sensor.
Further, the sensor array comprises a temperature sensor and/or a humidity sensor arranged in the middle of the detection main board and used for detecting the temperature and/or the humidity of the indoor air.
The indoor air quality monitoring system further comprises a controller connected with each sensor array and used for acquiring data of each sensor in each sensor array and averaging the data of the same sensors to obtain parameters of indoor air.
Further, the system also comprises a wireless communication device used for sending the parameters of the indoor air to the mobile terminal and/or the cloud server.
Further, the wireless communication device comprises a WI-FI module and/or a zigbee module.
And the display screen is connected with the controller and is used for displaying the parameters of the indoor air.
Further, the air conditioner also comprises an alarm device which is connected with the controller and used for giving an alarm when the parameter of the indoor air triggers a report condition.
And the touch screen and/or the control button are respectively connected with the controller and used for turning off and on after being triggered by a user.
According to the indoor air quality monitoring device of the embodiment, the indoor air quality monitoring device comprises a shell, a fan and a detection module. The fan is arranged at the thin opening of the horn-shaped cavity and used for sucking indoor air from the thin opening of the horn-shaped cavity and discharging the indoor air from the wide opening of the horn-shaped cavity. The detection module comprises a detection main board and a plurality of sensor arrays arranged on the detection main board, wherein the detection main board is arranged at the wide mouth of the horn-shaped cavity and is parallel to the plane of the wide mouth of the horn-shaped cavity along the plane. Because the even symmetrical arrangement of sensor array is along in the wide-mouth of tubaeform cavity, when the wide-mouth of room air follow tubaeform cavity was discharged, evenly passed through sensor array for the gas of the inside sensor array monitoring of casing keeps unanimous with the outside gas of casing in real time, and then has reduced the measurement delay time.
Drawings
FIG. 1 is a schematic view of an embodiment of an indoor air quality monitoring apparatus;
FIG. 2 is a schematic diagram of an embodiment of a detection module;
FIG. 3 is a block diagram of an indoor air quality monitoring apparatus according to an embodiment;
fig. 4 is a schematic view of a working process of an indoor air quality monitoring apparatus according to an embodiment.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).
The air quality monitoring devices commonly available on the market include two schemes, one is a passive detection scheme, namely measurement is carried out by means of concentration permeation, and the other is a scheme with a built-in fan to reduce concentration delay, and a relatively stable airflow is generated around a plurality of sensors to reduce the concentration delay. The first scheme has long measurement delay time, and the second scheme causes measurement errors due to the fact that air flow can cause air pressure change at the reaction end of the electrochemical sensor. In particular, the influence on sensors such as a temperature sensor, a humidity sensor, and an atmospheric pressure sensor is particularly great.
In the embodiment of the invention, an indoor air quality monitoring device is disclosed, which comprises a shell, a fan and a detection module. The fan is arranged at the thin opening of the horn-shaped cavity and used for sucking indoor air from the thin opening of the horn-shaped cavity and discharging the indoor air from the wide opening of the horn-shaped cavity. The detection module comprises a detection main board and a plurality of sensor arrays arranged on the detection main board, wherein the detection main board is arranged at the wide mouth of the horn-shaped cavity and is parallel to the plane of the wide mouth of the horn-shaped cavity along the plane. Because the even symmetrical arrangement of sensor array is along in the wide-mouth of tubaeform cavity, when the wide-mouth of room air follow tubaeform cavity was discharged, evenly passed through sensor array for the gas of the inside sensor array monitoring of casing keeps unanimous with the outside gas of casing in real time, and then has reduced the measurement delay time.
Example one
Referring to fig. 1, a schematic structural diagram of an indoor air quality monitoring apparatus in an embodiment includes a housing 100, a fan 300, and a detection module. The housing 100 is flared and has a flared cavity therein. The fan 300 is disposed at the narrow opening of the trumpet-shaped cavity, and is used for sucking indoor air from the narrow opening of the trumpet-shaped cavity and discharging the indoor air from the wide opening of the trumpet-shaped cavity. Referring to fig. 2, a schematic structural diagram of a detection module in an embodiment is shown, where the detection module includes a detection main board 200 and a plurality of sensor arrays 210. The detection main board 200 is arranged at the wide mouth of the horn-shaped cavity and is parallel to the plane of the wide mouth inner edge of the horn-shaped cavity. A plurality of sensor arrays 210 are used to detect parameters of the indoor air. The parameters of the indoor air comprise PM2.5 value, carbon dioxide content, negative oxygen ion concentration, volatile gas concentration, formaldehyde content, temperature and/or humidity of the indoor air and the like. A plurality of sensor array 210 sets up on detecting mainboard 200, and even symmetrical arranging in the wide-mouth inner edge of tubaeform cavity to make when the wide-mouth of room air follow tubaeform cavity is discharged, evenly pass through sensor array 210. In an embodiment, the detection main board 200 is circular, the plurality of sensor arrays 210 are uniformly and symmetrically arranged on the edge of the detection main board 200, and each sensor array 210 includes a plurality of sensors 211. In one embodiment, the sensor 211 includes a PM2.5 sensor, a temperature and humidity sensor, a carbon dioxide sensor, a TVOC sensor, a negative oxygen ion sensor, and/or a formaldehyde sensor.
In one embodiment, the sensor array includes a temperature sensor 212 and a humidity sensor 213 disposed at the middle of the detection main board for detecting the temperature and humidity of the indoor air. Because temperature sensor 212 and humidity transducer 213 set up in the middle part that detects mainboard 200, and the air current that the fan formed only flows through the outside edge that detects mainboard 200, can not form the air current pressure in the middle part that detects mainboard 200, and then reduce the influence of the air current that the fan formed to temperature sensor 212 and humidity transducer 213, improve the measurement accuracy of temperature and humidity.
The indoor air quality monitoring device in the embodiment of the invention comprises a shell, a fan and a detection module. The fan is arranged at the thin opening of the horn-shaped cavity and used for sucking indoor air from the thin opening of the horn-shaped cavity and discharging the indoor air from the wide opening of the horn-shaped cavity. The detection module comprises a detection main board and a plurality of sensor arrays arranged on the detection main board, wherein the detection main board is arranged at the wide mouth of the horn-shaped cavity and is parallel to the plane of the wide mouth of the horn-shaped cavity along the plane. Because the even symmetrical arrangement of sensor array is along in the wide-mouth of tubaeform cavity, when the wide-mouth of room air follow tubaeform cavity was discharged, evenly passed through sensor array for the gas of the inside sensor array monitoring of casing keeps unanimous with the outside gas of casing in real time, and then has reduced the measurement delay time.
Example two
Referring to fig. 3, a block diagram of an embodiment of an indoor air quality monitoring device includes a housing 100, a fan 300, a detection main board 200, a sensor array 210, a controller 400, a display screen 500, a wireless communication device 800, a touch screen 600, a control button 700, and an alarm device 900. The controller 400 is connected to each sensor array, and is configured to acquire data of each sensor in each sensor array, and perform averaging processing on the data of the same sensor to obtain a parameter of the indoor air. The parameters of the indoor air include the PM2.5 value, carbon dioxide content, negative oxygen ion concentration, volatile gas concentration, formaldehyde content, temperature and/or humidity of the indoor air, and the like. The wireless communication device 800 is configured to send parameters of indoor air to a mobile terminal and/or a cloud server, where the mobile terminal is a mobile phone or a smart phone or a tablet computer having multiple application functions. In one embodiment, the wireless communication device 800 includes a WI-FI module and a zigbee module. The display screen 500 is connected to the controller 400 for displaying parameters of the indoor air. The alarm device 900 is connected to the controller 400 for issuing an alarm when a parameter of the room air triggers a warning condition. The touch screen 600 and the control buttons 700 are respectively connected to the controller 400, and are configured to be turned off and turned on after being triggered by a user.
Referring to fig. 4, a schematic view of a working process of an indoor air quality monitoring device according to an embodiment of the present disclosure is shown, where the working process of the indoor air quality monitoring device further includes:
step 1, a user triggers the monitoring device to start up through a touch screen or a control button, the fan starts to work, indoor air is sucked from a narrow opening of the shell horn-shaped cavity and is exhausted from a wide opening of the horn-shaped cavity, surrounding air is uniformly mixed, and the concentration difference between air in the air channel and air outside the air channel is reduced.
And step 2, stopping working after the fan rotates for a preset time.
And 3, standing the monitoring device for a period of time after the fan stops working so as to keep the balance between the air in the air channel and the air outside the air channel.
And 4, the controller starts to acquire data of each sensor of the sensor array.
And 5, processing the data of each sensor by the controller by adopting an artificial intelligence algorithm to acquire the parameters of the indoor air.
And 6, repeating the steps 1 to 5 in unit time.
In one embodiment, the indoor air quality monitoring device disclosed in the present application acquires and displays parameters of indoor air in a fan operating state thereof.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (10)
1. An indoor air quality monitoring device is characterized by comprising a shell, a fan and a detection module;
the shell is horn-shaped, and a horn-shaped cavity is formed in the shell;
the fan is arranged at the narrow opening of the horn-shaped cavity and is used for sucking indoor air from the narrow opening of the horn-shaped cavity and discharging the indoor air from the wide opening of the horn-shaped cavity;
the detection module comprises a detection main board and a plurality of sensor arrays; the detection main board is arranged at the wide mouth of the horn-shaped cavity and is parallel to the plane of the inner edge of the wide mouth of the horn-shaped cavity; the plurality of sensor arrays are used for detecting parameters of the indoor air; a plurality of sensor array sets up detect on the mainboard, and even symmetrical arranging in the wide-mouth inner edge of tubaeform cavity to make when the wide-mouth of room air follow tubaeform cavity discharges, evenly pass through sensor array.
2. The indoor air detecting device according to claim 1, wherein the detecting main board has a circular shape, and the plurality of sensor arrays are uniformly and symmetrically arranged on an edge of the detecting main board.
3. The indoor air detecting device according to claim 2, wherein each sensor array includes a PM2.5 sensor, a temperature and humidity sensor, a carbon dioxide sensor, a TVOC sensor, a negative oxygen ion sensor, and/or a formaldehyde sensor.
4. The indoor air detecting apparatus of claim 2, wherein the sensor array includes a temperature sensor and/or a humidity sensor disposed at a middle portion of the detection main board to detect the temperature and/or humidity of the indoor air.
5. The indoor air detecting device according to claim 4, further comprising a controller connected to each of the sensor arrays for acquiring data of the sensors in each sensor array and averaging data of the same sensors to obtain the parameter of the indoor air.
6. The indoor air detecting apparatus according to claim 5, further comprising a wireless communication means for transmitting the parameter of the indoor air to the mobile terminal and/or the cloud server.
7. The indoor air detecting device according to claim 6, wherein the wireless communication device includes a WI-FI module and/or a zigbee module.
8. The indoor air detecting device as claimed in claim 5, further comprising a display screen connected to the controller for displaying a parameter of the indoor air.
9. An indoor air detecting device according to claim 5, further comprising an alarm device connected to the controller for giving an alarm when a parameter of the indoor air triggers a report condition.
10. The indoor air detecting device according to claim 5, further comprising a touch screen and/or a control button respectively connected to the controller for turning off and on after being triggered by a user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910890231.7A CN110596316A (en) | 2019-09-20 | 2019-09-20 | Indoor air quality monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910890231.7A CN110596316A (en) | 2019-09-20 | 2019-09-20 | Indoor air quality monitoring device |
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| Publication Number | Publication Date |
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| CN110596316A true CN110596316A (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910890231.7A Pending CN110596316A (en) | 2019-09-20 | 2019-09-20 | Indoor air quality monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924626A (en) * | 2021-01-28 | 2021-06-08 | 言谱物(杭州)智能科技有限责任公司 | Electronic nose device |
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| CN209327308U (en) * | 2018-12-17 | 2019-08-30 | 东方万佳国际贸易（北京）有限公司 | A kind of indoor air quality detecting device |
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2019
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0527258A1 (en) * | 1991-08-14 | 1993-02-17 | Siemens Aktiengesellschaft | Gas sensor array for the detection of individual gas components in a gas mixture |
| CN2929712Y (en) * | 2005-11-02 | 2007-08-01 | 姜晓丽 | Testing air way |
| CN205826465U (en) * | 2016-07-25 | 2016-12-21 | 北京倍肯创新诊断技术研究院有限责任公司 | A kind of device improving multiparameter air detection instrument response speed |
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| CN108051543A (en) * | 2017-11-23 | 2018-05-18 | 苗岳欣 | A kind of method being monitored in real time to indoor air quality |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112924626A (en) * | 2021-01-28 | 2021-06-08 | 言谱物(杭州)智能科技有限责任公司 | Electronic nose device |
| CN112924626B (en) * | 2021-01-28 | 2023-05-23 | 言谱物(杭州)智能科技有限责任公司 | Electronic nose device |
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Application publication date: 20191220 |