CN210107653U - Fresh air system and air quality detection device thereof - Google Patents
Fresh air system and air quality detection device thereof Download PDFInfo
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- CN210107653U CN210107653U CN201920599694.3U CN201920599694U CN210107653U CN 210107653 U CN210107653 U CN 210107653U CN 201920599694 U CN201920599694 U CN 201920599694U CN 210107653 U CN210107653 U CN 210107653U
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Abstract
The utility model provides a new trend system and air quality detection device thereof, this new trend system includes air quality detection device, and this air quality detection device includes: the air quality sensors are respectively arranged at an air inlet of the fresh air system and at positions far away from the air inlet indoors, and respectively detect air at the air inlet and indoor air and correspondingly generate instant data and historical data of air quality; the memory is connected with the air quality sensor and used for receiving and storing the instant data and the historical data detected by the air quality sensor; the numerical value comparison module is connected with the memory, reads the instant data and the historical data, and compares the instant data with the historical data in the previous set time period; and the display is connected with the numerical value comparison module and displays the comparison result of the numerical value comparison module.
Description
Technical Field
The utility model relates to an air quality detection device, especially a new trend system and air quality detection device thereof.
Background
As the air quality is continuously reduced along with the development of industry, various pollutants are entrained in the air to different degrees, and the indoor air quality is more concerned while responding to the environment protection and air purification. The room is often a closed environment with limited air circulation resulting in excessive contaminant concentrations. Indoor air quality is that in a certain time and a certain area, various detected objects contained in the air reach a constant and unchangeable detection value, and the indoor air quality is an important index for indicating environmental health and being suitable for living. The main standard of the method is oxygen content, formaldehyde content, water vapor content, particulate matters and the like, is a set of comprehensive data, and can fully reflect the air condition of the ground.
Indoor air quality is a very concern of people, but the indoor air quality often needs to be detected by a third-party tool and cannot be detected at any time; the fresh air indoor ventilation system in the prior art can effectively improve the indoor air quality, but the improvement result and the improvement degree are unknown.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the above-mentioned defect of prior art, provide a new trend system and air quality detection device thereof.
In order to achieve the above object, the utility model provides an air quality detection device of new trend system, wherein, include:
the air quality sensors are respectively arranged at an air inlet of the fresh air system and at positions far away from the air inlet indoors, and respectively detect air and indoor air at the air inlet and correspondingly generate instant data and historical data of air quality;
a memory connected to the air quality sensor, the memory receiving and storing the instant data and historical data detected by the air quality sensor;
the numerical value comparison module is connected with the memory and reads the instant data and the historical data, and the numerical value comparison module compares the instant data with the historical data in the previous set time period; and
and the display is connected with the numerical value comparison module and displays the comparison result of the numerical value comparison module.
In the air quality detection device of the fresh air system, the comparison result between the instant data and the historical data is respectively displayed as a positive value, 0 or a negative value on the display.
The air quality detection device of the fresh air system comprises a formaldehyde molecular sensor, a carbon dioxide molecular sensor, a PM2.5 sensor and/or an oxygen molecular sensor, and the air quality sensor respectively detects the content of indoor formaldehyde, carbon dioxide, PM2.5 and/or oxygen.
The air quality detection device of the fresh air system is characterized in that the display is an indoor display of the fresh air system.
The air quality detection device of the fresh air system is characterized in that the display is a liquid crystal display screen.
The air quality detection device of the fresh air system is characterized in that the display is further connected with the storage.
In the air quality detection device of the fresh air system, the display further displays the instant data and the historical data before the set time period.
The air quality detection device of the fresh air system is characterized in that the air quality sensor, the memory, the numerical value comparison module and the display are connected through signal lines.
The air quality detection device of the fresh air system is characterized in that the set time period is 1 hour.
In order to better achieve the above object, the utility model also provides a new trend system, wherein, including foretell air quality detection device.
The utility model has the beneficial effects that:
the utility model discloses an air quality detection device has memory contrast function, and the interval is certain time, contrasts the data of preceding time slot air quality. The air quality sensors are respectively arranged at the air inlet position and the position which is farthest from the air inlet in the room, and can compare the air quality of the two parts. The air quality of the indoor environment can be conveniently known at any time, and corresponding measures are taken according to the data of the air quality and the comparison result.
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Drawings
Fig. 1 is a block diagram of an air quality detection device according to an embodiment of the present invention;
fig. 2 is a block diagram of a numerical comparison module according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an operation of the air quality sensor according to an embodiment of the present invention.
Wherein the reference numerals
1 air quality sensor
2 memory
3 numerical value comparison module
4 display
5 laser source
6 light scattering measurement cavity
7 filtering amplifying circuit
8 micro-processor
9 numerical value comparator
10 liquid crystal display screen
A instant data
B History data
Detailed Description
The following describes the structural and operational principles of the present invention in detail with reference to the accompanying drawings:
the fresh air system comprises an air supply system and an air exhaust system, is an independent air treatment system and can be divided into a pipeline type fresh air system and a pipeline-free fresh air system. The pipeline type fresh air system comprises a fresh air fan and pipeline accessories, outdoor air is purified by the fresh air fan and is led into a room, and indoor air is discharged through a pipeline; the new trend system of no pipeline includes new fan, is leading-in indoor by new fan clean room air too. Generally, the pipeline type fresh air system is more suitable for being used in industrial or large-area office areas due to large engineering quantity, and the pipeline-free fresh air system is more suitable for being used in families due to convenient installation.
The fresh air system sends fresh air to the room by using special equipment on one side of the closed room, and then the fresh air is discharged to the outside from the other side of the closed room by using the special equipment, so that a fresh air flowing field can be formed indoors, and the requirement of indoor fresh air ventilation is met. Specifically, a high-wind-pressure and high-flow fan can be adopted, and a new wind flow field is formed in the system forcibly in a mode that one side supplies air to the indoor space and the other side discharges air to the outdoor space by using an exhaust fan. The air filter can filter, disinfect, sterilize, oxygenate and preheat air entering the room in winter while supplying air. The utility model discloses a new trend system, including air quality detection device. The constitution, the structure, mutual position relation, the relation of connection and theory of operation etc. of this new trend system other parts are more ripe prior art, and the event is not repeated here, and is only right below the utility model discloses an air quality detection device gives detailed description.
Referring to fig. 1, fig. 1 is a block diagram of an air quality detecting device according to an embodiment of the present invention. The utility model discloses an air quality detection device of new trend system, include: the air quality sensors 1 are respectively installed at an air inlet of the fresh air system and at indoor positions far away from the air inlet, and are used for detecting air and indoor air at the air inlet and respectively generating instant data A and historical data B of air quality; the memory 2 is connected with the air quality sensor 1 and is used for receiving and storing the instant data A and the historical data B detected by the air quality sensor 1; the numerical value comparison module 3 is connected with the memory 2, reads the instant data A and the historical data B, and is used for comparing the instant data A with the historical data B before a set time period, wherein the set time period is preferably 1 hour; and the display 4 is connected with the numerical value comparison module 3 and displays the comparison result of the numerical value comparison module 3. The display 4 may be shared with the indoor display of the fresh air system, or a separate display 4, preferably a liquid crystal display 10, may be provided. The liquid crystal display screen 10 can also be directly connected with the memory 2 to directly display the instant data A and the historical data B stored in the memory 2. The display 4 can also display the instant data a and the historical data B prior to a set time period. The air quality sensor 1, the memory 2, the numerical value comparison module 3 and the display 4 are connected through signal lines.
Referring to fig. 2, fig. 2 is a block diagram of a structure of a value comparison module according to an embodiment of the present invention. Wherein the comparison result of the instant data a and the historical data BB is displayed as a positive value, 0, or a negative value on the display 4, respectively. The numerical value comparator 9 in the numerical value comparison module 3 compares the data information transmitted by the air quality sensor 1, and if the comparison numerical value of the instant data A and the previous historical data B in a set time period is increased, a positive number is displayed; if the comparison value of the instant data A and the historical data B before the set time period is smaller, displaying a negative number; and if the comparison value of the instant data A and the historical data B before the set time period is equal, displaying 0.
Referring to fig. 3, fig. 3 is a schematic diagram of an air quality sensor according to an embodiment of the present invention. The working principle of the air quality sensor 1 is as follows: a constant light source (e.g., an infrared light emitting diode or a laser source 5) is disposed inside the air quality sensor 1, and when air passes through the light, particles therein scatter the light, which causes the attenuation of the light intensity. The relative decay rate is proportional to the concentration of the particulate matter. A light detector (e.g., a phototransistor) is disposed on the other side of the light scattering measurement cavity 6 opposite to the laser source 5, and is capable of detecting light reflected by the particles and outputting an electrical signal according to the intensity of the reflected light, thereby determining the concentration of the particles. The photoelectric effect of the photoelectric detector in the air quality sensor 1 can generate an electric signal, the electric signal is amplified by the filtering and amplifying circuit 7 and is transmitted to the microprocessor 8 for processing, a data signal of the concentration value of the particulate matter can be obtained, and then the data signal is transmitted to the memory 2 through the signal wire. The air quality sensor 1 may include a formaldehyde molecular sensor, a carbon dioxide molecular sensor, a PM2.5 sensor and/or an oxygen molecular sensor, which are respectively used for detecting the content of formaldehyde, carbon dioxide, PM2.5 and/or oxygen in the room.
The air quality detection device can respectively detect air at an air inlet of a fresh air system and air far away from the air inlet indoors and respectively generate instant data A and historical data B of air quality; storing the detected instant data A and historical data B; and comparing the instant data A with the historical data B before the set time period and displaying the comparison result. If the comparison value of the instant data A and the historical data B before the set time period is larger, displaying a positive number; if the comparison value of the instant data A and the historical data B before the set time period is smaller, displaying a negative number; and if the comparison value of the instant data A and the historical data B before the set time period is equal, displaying 0.
The two groups of air quality sensors 1 are respectively arranged at the air inlet and the position which is farthest from the air inlet in a room, the contents of formaldehyde, carbon dioxide, PM2.5 and oxygen in the room are respectively detected, the detection result is transmitted to the memory 2 through a connecting line (the memory 2 has a memory function), the memory 2 transmits the data to the numerical value comparison module 3, the numerical value comparison module 3 compares the instant data A detected by the air quality sensors 1 with the data in the previous hour, and if the numerical value is increased, the positive number is displayed on the display 4; if the value becomes small, a negative number is displayed on the display 4. The change of each index of the air quality can be known immediately through the numerical value fed back by the display 4. And finally, displaying the final detection result and the comparison result through a liquid crystal display screen 10. The indoor air quality and the change of the air quality are known by reading the data of the display 4, so that corresponding measures can be actively taken.
The utility model discloses an air quality detection device has memory contrast function, and the interval is certain time, contrasts the data of preceding time slot air quality. The air quality sensors are respectively arranged at the air inlet position and the position which is farthest from the air inlet in the room, and can compare the air quality of the two parts. The air quality of the indoor environment can be conveniently known at any time, and corresponding measures are taken according to the data of the air quality and the comparison result.
Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.
Claims (10)
1. The utility model provides an air quality detection device of new trend system which characterized in that includes:
the air quality sensors are respectively arranged at an air inlet of the fresh air system and at positions far away from the air inlet indoors, and respectively detect air and indoor air at the air inlet and correspondingly generate instant data and historical data of air quality;
a memory connected to the air quality sensor, the memory receiving and storing the instant data and historical data detected by the air quality sensor;
the numerical value comparison module is connected with the memory and reads the instant data and the historical data, and the numerical value comparison module compares the instant data with the historical data in the previous set time period; and
and the display is connected with the numerical value comparison module and displays the comparison result of the numerical value comparison module.
2. The air quality detecting device of a fresh air system according to claim 1, wherein the comparison result between the instantaneous data and the historical data is displayed as a positive value, 0 or a negative value on the display.
3. The air quality detection device of the fresh air system as claimed in claim 1 or 2, wherein the air quality sensor comprises a formaldehyde molecular sensor, a carbon dioxide molecular sensor, a PM2.5 sensor and/or an oxygen molecular sensor, and is used for respectively detecting the content of formaldehyde, carbon dioxide, PM2.5 and/or oxygen in a room.
4. The air quality detection device of the fresh air system as claimed in claim 1 or 2, wherein the display is an indoor display of the fresh air system.
5. The air quality detection device of the fresh air system as claimed in claim 4, wherein the display is a liquid crystal display.
6. The air quality detecting device of the fresh air system as claimed in claim 1 or 2, wherein the display is further connected to the memory.
7. The air quality detecting device of a fresh air system as claimed in claim 6, wherein the display further displays the instant data and the previous historical data of the set time period.
8. The air quality detection device of the fresh air system as claimed in claim 1 or 2, wherein the air quality sensor, the memory, the numerical value comparison module and the display are connected through signal lines.
9. The air quality detection device of the fresh air system as claimed in claim 1 or 2, wherein the set time period is 1 hour.
10. A fresh air system comprising the air quality detection device of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920599694.3U CN210107653U (en) | 2019-04-28 | 2019-04-28 | Fresh air system and air quality detection device thereof |
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|---|---|---|---|
| CN201920599694.3U CN210107653U (en) | 2019-04-28 | 2019-04-28 | Fresh air system and air quality detection device thereof |
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| CN210107653U true CN210107653U (en) | 2020-02-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030679A (en) * | 2019-04-28 | 2019-07-19 | 北京君腾达制冷技术有限公司 | A kind of fresh air system and its air quality detecting device and detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030679A (en) * | 2019-04-28 | 2019-07-19 | 北京君腾达制冷技术有限公司 | A kind of fresh air system and its air quality detecting device and detection method |
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