CN210835758U - Indoor environment monitoring device - Google Patents
Indoor environment monitoring device Download PDFInfo
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- CN210835758U CN210835758U CN201921216621.8U CN201921216621U CN210835758U CN 210835758 U CN210835758 U CN 210835758U CN 201921216621 U CN201921216621 U CN 201921216621U CN 210835758 U CN210835758 U CN 210835758U
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Abstract
The utility model discloses an indoor environment monitoring device, which comprises a data acquisition module, a central processing module, a communication module and a power supply module, wherein the data acquisition module monitors indoor environment indexes through a sensor, the output end of the data acquisition module is connected with the central processing module,the data acquisition module comprises a temperature acquisition unit and CO2Concentration acquisition unit and import wind speed acquisition unit. The indoor environment monitoring device can monitor indoor temperature, humidity, illuminance and CO2The concentration, the PM2.5 concentration, the inlet air speed and the like are monitored in real time, and the start and stop of user equipment such as an air conditioner, a humidifier, a dehumidifier, a lighting switch, a sun-shading curtain, a fresh air fan and an air purifier are controlled according to monitoring results, so that the indoor environment is comfortable, the energy utilization efficiency of the existing central air conditioner with a fresh air system can be improved, and the purposes of energy conservation and emission reduction are achieved.
Description
Technical Field
The utility model relates to an environmental monitoring technical field, more specifically relates to an indoor environment monitoring device.
Background
Currently, indoor environmental indexes related to human comfort mainly include illuminance, temperature, humidity, carbon dioxide concentration, PM2.5 concentration, and the like. The most serious indoor air pollution is not formaldehyde, which is afraid of, or PM2.5, but carbon dioxide gas. When the carbon dioxide gas reaches a certain content, the health of people is seriously harmed, and no purifier can effectively filter the carbon dioxide.
In the natural environment, the normal content of carbon dioxide in the air is 400PPM, and in large cities, the normal content sometimes reaches 500 PPM. In the case of no human being in the room, the carbon dioxide concentration is generally around 500 to 700 PPM. The human body is very sensitive to the increase of carbon dioxide concentration in the air, and each increase of 0.5% leads to the obvious reflection of the human body.
When the concentration of the carbon dioxide reaches 1000PPM, people feel bored, and the attention is not concentrated and palpitation is caused; if people sleep continuously for 8 hours in an airtight bedroom with the carbon dioxide concentration reaching 1000PPM, people feel that the people do not have a good rest and do not want to get up when getting up in the morning; if the air in the office contains CO2The concentration reaches 1000PPM, and the working efficiency of staff can be reduced.
When the concentration of the carbon dioxide reaches 1500-; if the air in the office contains CO2When the concentration reaches 2000PPM, the staff feel sleepy, the attention is not concentrated, the spirit is tired, and after the concentration exceeds 2000PPM, the staff do not even want to continue working, and the thinking ability is obviously reduced.
When the concentration of carbon dioxide reaches above 5000PPM, the human body functions are seriously disordered, so that the human body loses consciousness and is unconscious.
Therefore, carbon dioxide has great harm to human body, and the concentration of carbon dioxide in the closed room with people is certainly increased. The carbon dioxide is in an environment with high carbon dioxide concentration in a short period, and cannot bring great influence on our bodies. But if people live and work in an environment with high carbon dioxide concentration for a long time, the environment will bring great harm to human bodies.
In order to reduce the indoor carbon dioxide concentration, people can plant green plants at home or frequently open windows for ventilation. While green plants work well, the carbon dioxide content exhaled by humans is far in excess of what green plants can handle. The window-opening ventilation mode is not practical in many large cities, and people cannot open the window frequently or for a long time for ventilation due to outdoor air pollution, noise, energy conservation and the like. Under the condition of not windowing, the problem of indoor carbon dioxide can be effectively solved only by the fresh air fan. Fresh air fan can follow outdoor absorption fresh air and filtration pollutant, discharges indoor contaminated air with the extruded mode again to guarantee that there is sufficient oxygen indoor, solve indoor air pollution's problem simultaneously.
The problem of indoor temperature and carbon dioxide concentration can be solved to the central air conditioning who takes new trend system at present, but opening of new trend system does not combine together with indoor carbon dioxide's concentration, so opening of new trend system must lead to the efficiency of air conditioner to reduce, causes unnecessary waste to the air conditioner energy, consequently, the central air conditioning who takes new trend system now has the problem that energy efficiency is not high, the energy consumption is unreasonable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an indoor environment monitoring device to solve the current not high, unreasonable problem of energy consumption efficiency of energy consumption that takes the central air conditioning of new trend system to exist.
In order to solve the technical problem, the utility model adopts the following technical scheme: an indoor environment monitoring device, its characterized in that: the intelligent indoor environment monitoring system comprises a data acquisition module, a central processing module, a communication module and a power module, wherein the data acquisition module monitors indoor environment indexes through a sensor, the output end of the data acquisition module is connected with the central processing module, and the data acquisition module comprises a temperature acquisition unit and a CO (carbon monoxide)2Concentration acquisition unit and import wind speed acquisition unit.
The central processing module is used for controlling the start and stop of the user equipment according to the data acquired by the data acquisition module and controlling the start and stop of the user equipment according to the indoor CO2The user equipment comprises an air conditioner for controlling the indoor temperature and a fresh air fan for supplying air to the room; the input end of the communication module is connected with the central processing module, and the output end of the communication module is connected with the user equipment so as to realize communication between the central processing module and the user equipment; the power module provides required direct current power for the central processing module and the data acquisition module.
Preferably, the control chip of the central processing module is a Lonworks neuron chip.
Preferably, the communication module is a Lonworks twisted pair communication module.
Preferably, the data acquisition module further comprises a humidity acquisition unit, a illuminance acquisition unit and a PM2.5 concentration acquisition unit.
Preferably, the user equipment further comprises a humidifier, a dehumidifier, a lighting switch, a sun shade and an air purifier.
According to the utility model discloses an embodiment, wherein, still include threshold value setting module, the output of threshold value setting module is connected central processing module for set up indoor environmental parameter's threshold value.
Preferably, the threshold setting module comprises a temperature setting module, a humidity setting module, a light intensity setting module, and a CO2A plurality of concentration setting modules and a PM2.5 concentration setting module.
According to the utility model discloses an embodiment, wherein, still include data storage module, data storage module with central processing module connects for record and storage fresh air fan's opening time, import wind speed and indoor CO2Difference in concentration change.
Compared with the prior art, the utility model provides an indoor environment monitoring device,has the following advantages: can be used for indoor temperature, humidity, illuminance and CO2The concentration, the PM2.5 concentration, the inlet air speed and the like are monitored in real time, and the start and stop of user equipment such as an air conditioner, a humidifier, a dehumidifier, a lighting switch, a sun-shading curtain, a fresh air fan and an air purifier are controlled according to the monitoring result, so that the indoor environment is ensured to be in a comfortable air environment, the energy utilization efficiency of the existing central air conditioner with a fresh air system can be improved, and the purposes of energy conservation and emission reduction are achieved; the Lonworks twisted pair communication is adopted, the communication quality is safe and reliable, and the communication speed is high; the indoor environment monitoring device is high in integration level, simple in structure and good in using effect.
Drawings
Fig. 1 is the utility model provides a pair of indoor environment monitoring device's schematic structure diagram.
Fig. 2 is a schematic circuit diagram of a power supply module.
Fig. 3 is a schematic structural diagram of another indoor environment monitoring device provided by the present invention.
Fig. 4 is a schematic structural diagram of a third indoor environment monitoring device provided by the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals refer to like elements and techniques of the present invention so that advantages and features of the present invention may be more readily understood when implemented in a suitable environment. The following description is an embodiment of the present invention, and other embodiments related to the claims that are not explicitly described also fall within the scope of the claims.
Fig. 1 shows a schematic structural diagram of an indoor environment monitoring device provided by the present invention.
As shown in fig. 1, the indoor environment monitoring apparatus includes a data acquisition module, a central processing module, a communication module and a power supply module.
The data acquisition module monitors indoor environment indexes through a sensor, and the output end of the data acquisition module is connected with the central processing module; wherein the data acquisition module comprises a temperature acquisition unit and CO2Concentration miningThe wind power generation system comprises a collection unit and an inlet wind speed acquisition unit. The data acquisition module respectively monitors indoor temperature and CO through various sensors2Concentration, inlet wind speed and other environmental indexes, and transmits the monitored data to the central processing module. The inlet air speed refers to the air speed of an air inlet in the fresh air system connection chamber.
The central processing module is used for controlling the start and stop of the user equipment according to the data acquired by the data acquisition module and controlling the start and stop of the user equipment according to the indoor CO2Concentration and indoor temperature, control the aperture of new trend fan, user equipment is including the air conditioner of control indoor temperature and the new trend fan to indoor air supply, and wherein, the air conditioner is used for adjusting indoor temperature, and new trend fan is used for sending into fresh air to indoor to adjust indoor CO2And (4) concentration. Indoor temperature, CO2Monitoring data such as concentration, inlet wind speed and the like are processed by the central processing module, and the air conditioner and the fresh air fan are controlled to start or stop through the communication interface, so that sufficient oxygen is ensured to be in a room and the room is always in a comfortable air environment, the energy utilization efficiency of the existing central air conditioner with the fresh air system is improved, and the purposes of energy conservation and emission reduction are achieved.
The control chip of the central processing module is a Lonworks neuron chip, specifically a Lonworks neuron chip FT5000, the working voltage of the chip is 3.3V, and the chip is a Microcontroller (MCU) based on a twisted-pair communication interface.
The input end of the communication module is connected with the central processing module, and the output end of the communication module is connected with the user equipment, so that communication between the central processing module and the user equipment is realized. The communication module is a Lonworks twisted pair communication module. The Lonworks field bus is a full digital, bidirectional and multi-station communication system for connecting intelligent field devices and an automation system, and mainly solves the problems of digital communication among field devices such as intelligent instruments, controllers, execution mechanisms and the like in an industrial field and information transmission between the field control devices and an advanced control system. The Lonworks control network technology is a complete, fully-open, strong-interoperability, high-reliability and mature distributed control network technology. And the Lonworks twisted pair communication is adopted, so that the communication quality is safe and reliable, and the communication speed is high and can reach 78 kbps.
The power module provides required direct current power for the central processing module and the data acquisition module. The power supply module receives 12V direct current power supply input and 3.3V direct current power supply output, and a special module power supply is required to be additionally configured to input the 12V direct current power supply.
The utility model provides an indoor environment monitoring device passes through CO2Indoor CO real-time monitoring of concentration acquisition unit2Concentration of CO in the room2When the concentration exceeds a certain value, the central processing module controls the fresh air fan to be started; when indoor CO2When the concentration is lower than a certain value, the fresh air fan is controlled to be closed instead of being opened all the time, so that the device can eliminate the unreasonable energy of the central air conditioner aiming at the central air conditioner with a fresh air system, and the defects of the existing product are solved by a novel energy-saving technology.
The indoor environment monitoring device can also be used for monitoring indoor environment according to the size of an indoor room and indoor CO2The concentration, the required fresh air volume is judged, and the opening degree of the fresh air fan is controlled according to the fresh air volume and the indoor temperature, so that the indoor CO is generated2The concentration is reduced and the influence on the indoor temperature is reduced.
Fig. 2 shows a circuit schematic of a power supply module.
As shown in fig. 2, the power module adopts a low dropout regulator (LDO) module, and can supply power by a dc power supply without distinguishing positive and negative poles, so that the power supply can be prevented from being reversely connected, the reliability and stability are high, the power output is single-path dc 3.3V, and the dc power supply 3.3V provides a dc power supply for the central processing module and the data acquisition module.
Fig. 3 shows a schematic structural diagram of another indoor environment monitoring device provided by the present invention.
As shown in fig. 3, the data acquisition module further includes a humidity acquisition unit, a illuminance acquisition unit, and a PM2.5 concentration acquisition unit, and the user equipment further includes a humidifier, a dehumidifier, a lighting switch, a sun-shading curtain, and an air purifier, wherein the humidifier and the dehumidifier are used for adjusting the indoor humidity, and the lighting switch and the air purifier are used for adjusting the indoor humidityThe sunshade screen is used for adjusting indoor illuminance, and air purifier is used for adjusting indoor PM2.5 concentration to make the device realize indoor temperature, humidity, illuminance, CO2The monitoring of indexes such as concentration, PM2.5 concentration, inlet wind speed and the like, and the control of equipment such as an air conditioner, a humidifier, a dehumidifier, a lighting switch, a sun-shading curtain, a fresh air fan, an air purifier and the like according to collected data, thereby providing a sound-proof, dust-free, clean, energy-saving and comfortable working or living environment for people.
Fig. 4 shows a schematic structural diagram of a third indoor environment monitoring device provided by the present invention.
As shown in fig. 4, the utility model provides an indoor environment monitoring device can also include threshold value setting module, the output of threshold value setting module is connected central processing module for set up indoor environmental parameter's threshold value.
The threshold setting module may include a temperature setting module, a humidity setting module, a illuminance setting module, and a CO setting module2A plurality of concentration setting modules and a PM2.5 concentration setting module.
The addition of the threshold setting module ensures that the setting is very humanized, and the setting can be operated by ordinary people without setting the threshold in the embedded software of the central processing module every time. The indoor temperature, humidity, illuminance and CO can be manually set through the threshold setting module2And the central processing module judges whether to start or stop the use of the related user equipment according to the set threshold of each environmental index and the monitored data of each environmental index.
For example: an indoor temperature threshold value is set through a temperature setting module, when the temperature acquisition unit monitors that the indoor temperature exceeds or is lower than the temperature threshold value, the central processing module controls the air conditioner to be turned on or off, and a proper mode and temperature are adjusted; an indoor humidity threshold value is set through a humidity setting module, and when the humidity acquisition unit monitors that the indoor humidity exceeds the humidity threshold value, the central processing module controls the humidifier to be closed and the dehumidifier to be opened; setting indoor illuminance through illuminance setting moduleWhen the illuminance acquisition unit monitors that the indoor illuminance exceeds the illuminance threshold, the central processing module controls the sunshade curtain to be closed, and when the illuminance acquisition unit monitors that the indoor illuminance is lower than the illuminance threshold, the central processing module controls the lighting switch to be opened; by CO2Concentration setting module for setting indoor CO2Concentration threshold value of when CO2The concentration acquisition unit monitors indoor CO2In a concentration exceeding the CO2When the concentration is at the threshold value, the central processing module controls the fresh air fan to be started; set up indoor PM2.5 concentration threshold value through PM2.5 concentration setting module, when PM2.5 concentration acquisition unit monitors that indoor PM2.5 concentration exceeds this PM2.5 concentration threshold value, central processing module control air purifier opens.
The utility model provides an indoor environment monitoring device still includes data storage module, data storage module with central processing module connects, is used for the record and the storage new trend fan open time, import wind speed and indoor CO2The central processing module is used for processing the difference value of the concentration change according to the stored opening time of the fresh air fan, the stored inlet air speed and the stored indoor CO2And the difference of the concentration change controls the opening of the fresh air fan.
The central processing module can be used for setting the CO according to the size of the room (the size value of the room is preset in the central processing module) and the set CO2Concentration threshold (e.g., 800PPM) and CO2Indoor CO monitored by concentration acquisition unit2The required fresh air volume is judged according to the concentration, the proper opening of the fresh air fan is adjusted according to the required fresh air volume, the sectional area of a fresh air inlet and the indoor temperature, wherein the opening of the fresh air fan can be adjusted within 10-90 degrees, the larger the opening is, the larger the fresh air volume entering the room in unit time is, and through the above processing control, the comfortable and pleasant working or living environment which saves electric energy is provided. For example when monitoring indoor CO2When the concentration exceeds 800PPM, the fresh air fan is controlled to be started, the opening degree is 30 degrees at the moment, and after 10min, indoor CO is monitored2When the concentration reaches 700PPM, the opening of the fresh air fan does not need to be adjusted (the central processing module is internally provided with preset test data); if it is notAfter the beginning of 10min, the indoor CO was monitored2When the concentration reaches 750PM, the difference value of concentration change is less, the opening degree of the fresh air fan needs to be increased, and if the opening degree of the fresh air fan is adjusted to 60 degrees, indoor CO can be quickly adjusted2The concentration is adjusted to a suitable concentration, such as 600 PPM.
If the temperature difference between the indoor and outdoor is too large, the fresh air enters to reduce the energy efficiency of the air conditioner, and if the air intake is too large in unit time, the temperature of the indoor space is suddenly increased or decreased to bring uncomfortable feeling to people.
Additionally, the utility model provides an indoor environment monitoring device can also include display module, display module with central processing module connects, is used for showing indoor environment index.
The utility model discloses but wide application is equipped with the room of taking the central air conditioning of new trend system in buildings such as office building, public building, school, hospital to can manage management and energy-saving control, also can be used to the central air conditioning of taking the new trend system that places such as family used, uses this technique not only to realize energy-conserving service, still binds the value-added service of control air conditioner, humidifier, dehumidifier, lighting switch, sunshade screen, new trend fan and air purifier etc.. The utility model discloses an effect as follows: 1) can be based on indoor CO2The opening of the fresh air fan is properly adjusted according to the concentration, so that energy waste caused by overlong opening time of the fresh air fan is avoided; 2) automatic recording opening time, inlet air speed and indoor CO of fresh air fan2The difference of concentration change enables the device to be more accurately and efficiently controlled; 3) setting an indoor illuminance threshold value, binding the indoor illuminance threshold value with the lighting switch and the sunshade curtain, and automatically controlling the lighting switch and the sunshade curtain to be opened or closed when the indoor illuminance threshold value is exceeded; 4) setting an indoor temperature threshold, binding the indoor temperature threshold with an air conditioner, automatically turning on or turning off the air conditioner, and adjusting a proper mode and temperature; 5) setting an indoor humidity threshold value, binding the indoor humidity threshold value with a humidifier and a dehumidifier, automatically starting and stopping the humidifier when the indoor humidity threshold value is exceeded,A dehumidifier; 6) setting indoor CO2Concentration threshold bound with fresh air fan and exceeding CO2Starting a fresh air fan to supply air when the concentration threshold value is reached; 7) set up indoor PM2.5 concentration threshold value, bind with air purifier, when surpassing PM2.5 concentration threshold value, open air purifier.
The utility model discloses can be to indoor humiture, illuminance, CO2The concentration, the PM2.5 concentration and the inlet air speed are monitored in real time, and the start and stop of user equipment such as an air conditioner, a humidifier, a dehumidifier, a lighting switch, a sun-shading curtain, a fresh air fan and an air purifier are controlled according to a monitoring result so as to ensure that the indoor environment is comfortable, the energy utilization efficiency of the existing central air conditioner with a fresh air system can be improved, the purposes of energy conservation and emission reduction are achieved, and the device belongs to a matching device of an energy management and energy-saving control system. The Lonworks twisted pair communication is adopted, the communication quality is safe and reliable, and the communication speed is high; the indoor environment monitoring device is high in integration level, simple in structure and good in using effect.
In addition, the indoor environment monitoring device applies information processing technologies such as information fusion and fuzzy theory, so that the indoor environment monitoring device has higher-level intelligence and has the functions of analysis, judgment, self-adaptation and self-learning. If learning how long and how large the inlet wind speed of the fresh air fan in the room needs to be opened, the indoor CO can be kept2The concentration reaches the standard; the normal operation condition of the equipment is automatically memorized, the environmental factors (temperature, space and other parameters) are integrated, and the condition of the equipment is analyzed and judged.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim.
Claims (7)
1. An indoor environment monitoring device, its characterized in that: comprises a data acquisition module, a central processing module, a communication module and a power module,
the data acquisition module monitors indoor environment indexes through a sensor and outputs the indexesThe output end is connected with the central processing module, and the data acquisition module comprises a temperature acquisition unit and CO2The system comprises a concentration acquisition unit and an inlet wind speed acquisition unit;
the central processing module is used for controlling the start and stop of the user equipment according to the data acquired by the data acquisition module and controlling the start and stop of the user equipment according to the indoor CO2The user equipment comprises an air conditioner for controlling the indoor temperature and a fresh air fan for supplying air to the room;
the input end of the communication module is connected with the central processing module, and the output end of the communication module is connected with the user equipment so as to realize communication between the central processing module and the user equipment;
the power supply module provides required direct current power supply for the central processing module and the data acquisition module,
the fresh air fan further comprises a data storage module, wherein the data storage module is connected with the central processing module and used for recording and storing the opening time, the inlet air speed and the indoor CO of the fresh air fan2Difference in concentration change.
2. An indoor environment monitoring device according to claim 1, wherein: the control chip of the central processing module is a Lonworks neuron chip.
3. An indoor environment monitoring device according to claim 1, wherein: the communication module is a Lonworks twisted pair communication module.
4. An indoor environment monitoring device according to claim 1, wherein: the data acquisition module further comprises a humidity acquisition unit, a illuminance acquisition unit and a PM2.5 concentration acquisition unit.
5. An indoor environment monitoring device according to claim 4, wherein: the user equipment further comprises a humidifier, a dehumidifier, a lighting switch, a sun-shading curtain and an air purifier.
6. An indoor environment monitoring apparatus according to claim 1 or 4, wherein: the device also comprises a threshold setting module, wherein the output end of the threshold setting module is connected with the central processing module and is used for setting the threshold of the indoor environment parameter.
7. An indoor environment monitoring device according to claim 6, wherein: the threshold setting module comprises a temperature setting module, a humidity setting module, a illuminance setting module and CO2A plurality of concentration setting modules and a PM2.5 concentration setting module.
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| CN201921216621.8U CN210835758U (en) | 2019-07-30 | 2019-07-30 | Indoor environment monitoring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692714A (en) * | 2020-06-19 | 2020-09-22 | 湖南匡楚科技有限公司 | Intelligent air purification system |
| CN114983296A (en) * | 2022-04-25 | 2022-09-02 | 上海景吾酷租科技发展有限公司 | Robot control method and system for hotel cleaning |
-
2019
- 2019-07-30 CN CN201921216621.8U patent/CN210835758U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692714A (en) * | 2020-06-19 | 2020-09-22 | 湖南匡楚科技有限公司 | Intelligent air purification system |
| CN114983296A (en) * | 2022-04-25 | 2022-09-02 | 上海景吾酷租科技发展有限公司 | Robot control method and system for hotel cleaning |
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