CN108954671A - A kind of the air quality method for early warning and device of fresh air system - Google Patents
A kind of the air quality method for early warning and device of fresh air system Download PDFInfo
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- 238000004887 air purification Methods 0.000 claims description 58
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- 238000005202 decontamination Methods 0.000 claims description 4
- 230000003588 decontaminative effect Effects 0.000 claims description 4
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Abstract
The embodiment of the present invention provides the air quality method for early warning and device of a kind of fresh air system.The described method includes: obtaining the environmental data of fresh air system；The purification efficiency and heat exchanger effectiveness of the fresh air system are obtained according to the environmental data operation；Alarm command is issued if the purification efficiency is lower than the heat exchanger effectiveness threshold value lower than the purification efficiency threshold value or the heat exchanger effectiveness according to preset purification efficiency threshold value or heat exchanger effectiveness threshold decision.Described device includes: to obtain module, processing module and warning module.The embodiment of the present invention passes through the purification efficiency and heat exchanger effectiveness for calculating and judging fresh air system, generate warning information, the monitoring to the air purifying filter core working efficiency of fresh air system, and replacement of the early warning to air purifying filter core are realized, ensure that the air quality of fresh air system.
Description
Technical Field
The invention relates to the technical field of computers, in particular to an air quality early warning method and device of a fresh air system.
Background
In recent years, air pollution is increasingly serious, and air quality problems such as haze and the like are frequent. More people are beginning to focus on indoor residential environment quality and outdoor air quality. The haze contains a large amount of PM2.5 particle pollutants, and the harmful particles can directly enter blood through bronchus and alveolus without being detoxified by liver and dissolve in the blood, so that great damage is caused to human bodies. Moreover, these harmful particulate matters exist not only in large quantities outdoors but also in large quantities in indoor environments where people live, and in addition, in large quantities indoors, VOC (Volatile Organic Compounds), CO produced by human metabolism, and the like exist2And bacterial viral contaminants. Therefore, as people pay attention to the quality of indoor air, a fresh air system for discharging indoor dirty air and providing clean fresh air is receiving general attention.
At present, the existing fresh air system mainly adopts HEPA (High Efficiency Particulate air filter), activated carbon, electrostatic technology and the like as the technical modes of cleaning air, so as to provide fresh clean air for the indoor. However, as the service time and the service frequency of the existing fresh air system and the air purification device increase, the purification efficiency of the air will be obviously reduced, and as a user, the user cannot specifically grasp the air purification efficiency of the fresh air purification device in real time at all, and whether the purification efficiency can meet the requirement of air purification. Often, the fresh air purification device or the air purification device is started, and the indoor air quality is very poor actually. Thus consuming power without achieving the desired effect.
In current new trend system that uses the air purification filter core, there is not any monitoring to the purification efficiency of filter core for the user is difficult to judge the purification efficiency of air purification filter core, can't know whether the purification efficiency of new trend system has realized air purification's effect, if the purification efficiency of air purification filter core is too low, then makes the new trend system can not play the air purification effect, reduces air quality and influences user's health.
Therefore, how to monitor the work efficiency of the air purification filter core of new trend system and early warning change air purification filter core simultaneously becomes the technical problem that new trend system needs to solve urgently.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an air quality early warning method and device for a fresh air system.
On one hand, the embodiment of the invention provides an air quality early warning method of a fresh air system, which comprises the following steps:
acquiring environmental data of a fresh air system;
calculating according to the environmental data to obtain the purification efficiency and the heat exchange efficiency of the fresh air system;
and if the purification efficiency is judged to be lower than the purification efficiency threshold or the heat exchange efficiency is judged to be lower than the heat exchange efficiency threshold, generating early warning information.
Optionally, the environmental data comprises CO2A concentration, after the decontamination efficiency is below the decontamination efficiency threshold,
according to preset CO2Judging the concentration condition, if the environmental data contains CO2Concentration value corresponding to the CO2And sending an instruction for reducing the fresh air speed of the fresh air system under the concentration condition.
Optionally, the environmental data further includes a plate voltage of an air purification filter element of the fresh air system, and if the purification efficiency is lower than the purification efficiency threshold, the method includes:
judging according to a preset plate voltage condition, and if the plate voltage of the fresh air system meets the preset plate voltage condition, sending an instruction for increasing the plate voltage of the fresh air system;
and if the pole plate voltage of the fresh air system does not accord with the preset pole plate voltage condition, sending out an early warning instruction.
Optionally, the method further includes:
and judging according to a preset purification efficiency threshold or a heat exchange efficiency threshold, and if the purification efficiency is higher than or equal to the purification efficiency threshold and the heat exchange efficiency is lower than the heat exchange efficiency threshold, sending an early warning instruction.
Optionally, the sending the early warning instruction specifically includes:
and sending an early warning instruction for replacing the air purification filter element of the fresh air system.
Optionally, the operation according to the environmental data obtains the purification efficiency of new trend system specifically includes: PM 2.5's of new trend system purification efficiency E does:
wherein, C1The first average mass concentration of PM2.5 at the sampling position of the fresh air inlet pipeline; c2The second average mass concentration of PM2.5 at the sampling position of the fresh air outlet pipeline;
the environmental data includes the first average mass concentration of PM2.5 and the second average mass concentration of PM 2.5.
Optionally, obtaining the heat exchange efficiency of the fresh air system according to the environmental data operation specifically includes:
the heat exchange efficiency η of the fresh air system is as follows:
wherein, t1The temperature of the fresh air is taken as the air inlet temperature; t is t2The temperature of the fresh air exhaust; t is t3The temperature of the air for air exhaust and air intake;
Qxthe fresh air quantity is obtained; qpThe air exhaust amount;
the environmental data comprises the fresh air inlet temperature, the fresh air exhaust temperature, the exhaust air inlet temperature, the fresh air quantity and the exhaust air quantity.
On the other hand, the embodiment of the invention provides an air quality early warning device of a fresh air system, which comprises:
the acquisition module is used for acquiring environmental data of the fresh air system;
the processing module is used for calculating and obtaining the purification efficiency and the heat exchange efficiency of the fresh air system according to the environmental data; the system comprises a purification efficiency threshold value, a heat exchange efficiency threshold value and a warning instruction, wherein the purification efficiency threshold value is used for judging according to a preset purification efficiency threshold value or heat exchange efficiency threshold value, and if the purification efficiency is lower than the purification efficiency threshold value or the heat exchange efficiency is lower than the heat exchange efficiency threshold value, the warning instruction is sent;
and the early warning module is used for receiving the early warning instruction sent by the processing module and generating early warning information according to the instruction.
Optionally, the environmental data acquired by the acquiring module includes CO2If the concentration is lower than the purification efficiency threshold value after the processing module judges that the purification efficiency is lower than the purification efficiency threshold value, the processing module is further configured to: according to preset CO2Judging the concentration condition, if the environmental data contains CO2Concentration value corresponding to the CO2And sending an instruction for reducing the fresh air speed of the fresh air system under the concentration condition.
Optionally, the environment data acquired in the acquisition module further includes a plate voltage of an air purification filter element of the fresh air system, and if the processing module determines that the purification efficiency is lower than the purification efficiency threshold, the processing module is further configured to:
according to the preset plate voltage condition, judging,
if the pole plate voltage of the fresh air system meets the preset pole plate voltage condition, sending an instruction for increasing the pole plate voltage of the fresh air system;
and if the pole plate voltage of the fresh air system does not accord with the preset pole plate voltage condition, sending out an early warning instruction.
According to the air quality early warning method and device of the fresh air system, the early warning information is generated by calculating and judging the purification efficiency and the heat exchange efficiency of the fresh air system, the working efficiency of the air purification filter element of the fresh air system is monitored, the replacement of the air purification filter element is prompted through early warning, the air quality of the fresh air system is guaranteed, the reduction of the indoor air purification quality is avoided, and the energy consumption waste is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic flow chart of an air quality early warning method of a fresh air system in an embodiment of the invention;
fig. 2 is a schematic flow chart of an air quality early warning method of another fresh air system in the embodiment of the present invention;
fig. 3 is a schematic structural diagram of an air quality early warning device of a fresh air system in an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments, but not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic flow diagram of an air quality early warning method of a fresh air system in an embodiment of the present invention, and as shown in fig. 1, the method includes the following steps:
step 101, acquiring environmental data of a fresh air system.
Wherein the environmental data comprises: outdoor environment data and indoor environment data.
The outdoor environment data can be acquired and collected through third-party air monitoring equipment or through different sensors built in a professional meteorological bureau or a fresh air machine body, and the specific data is marked by CO2PM2.5, temperature, fresh air temperature, exhaust air temperature and the like.
The indoor environmental data comprises CO2The data can be collected through various sensors arranged on the fresh air system and can also be collected through other indoor environment data monitoring equipment, the embodiment of the invention can optionally collect the data through other indoor air detection equipment, so that the obtained air data can be an average value in an indoor limited space, the indoor air data can be accurately obtained, and the problem of inaccurate collected data caused by the fact that only the air quality data of a local point at the fresh air device can be obtained is solved.
Specifically, the indoor humidity value affects the electrostatic voltage and current of the air purification filter element, the equipment operation safety and the like, and the temperature directly affects the heat exchange efficiency; the air purification filter element of the fresh air system provided by the embodiment of the invention has the functions of total heat exchange and electrostatic dust removal, and the electrostatic dust removal function is that high voltage with alternate positive and negative is applied to the polar plates of two adjacent layers of the air purification filter element, so that a high-voltage electric field with alternate positive and negative is formed between the polar plates, and the air purification filter element has strong adsorption capacity and achieves the effect of efficient purification. Therefore, the voltage between the electrode plates of the air purifying filter element and the current data generated after the dust particles are charged are very important for judging the purifying efficiency and the heat exchange efficiency of the purifying device of the fresh air system.
And 102, calculating according to the environmental data to obtain the purification efficiency and the heat exchange efficiency of the fresh air system.
Wherein:
the purification efficiency refers to the purification efficiency of particulate matters in the air, and the specific test takes a PM2.5 value as a standard;
the heat exchange efficiency is a heat exchange parameter of a fresh air system, and the working principle is as follows: when the fresh air system is in operation, when indoor exhaust air and outdoor fresh air flow through the air purification filter element, because the temperature difference and the steam partial pressure difference exist in the air flow at the two sides of the polar plate of the air purification filter element, the two air flows show the heat and mass transfer phenomenon when passing through the air purification filter element, and the total heat exchange process is caused.
103, judging according to a preset purification efficiency threshold or a heat exchange efficiency threshold, and if the purification efficiency is lower than the purification efficiency threshold or the heat exchange efficiency is lower than the heat exchange efficiency threshold, sending an early warning instruction.
Wherein:
the purification efficiency threshold value is a standard value which is obtained by purifying particulate matters by a fresh air system by taking a PM2.5 value as a standard in a specific test, and is preset according to specific requirements;
the heat exchange efficiency threshold value is a standard value which is reached by the temperature exchange of the fresh air system for the air flow temperature difference and the steam partial pressure difference, and is preset according to specific requirements;
the early warning instruction is a control instruction generated when the fresh air system detects that the purification efficiency of the fresh air system is reduced below a purification efficiency threshold value or the heat exchange efficiency is reduced below a heat exchange efficiency threshold value through a preset rule, so that the fresh air system is controlled to send out a prominent alarm sound or display a prominent text prompt, the air purification filter element is replaced, and the air purification quality is guaranteed.
One implementation manner of the embodiment of the invention is as follows: for a fresh air system, firstly, acquiring environment data of the fresh air system, calculating according to the environment data through a preset calculation formula to obtain the purification efficiency of the fresh air system, and calculating according to the environment data through the preset calculation formula to obtain the heat exchange efficiency of the fresh air system; and then comparing the purification efficiency with a purification efficiency threshold value and a heat exchange efficiency threshold value preset by a fresh air system, if the purification efficiency is lower than the purification efficiency threshold value or the heat exchange efficiency is lower than the heat exchange efficiency threshold value through judgment, generating an early warning instruction for replacing the air purification filter element, and generating corresponding early warning information by the fresh air system according to the early warning instruction so as to send out a warning or prompt.
According to the air quality early warning method of the fresh air system, provided by the embodiment of the invention, the purification efficiency and the heat exchange efficiency are obtained through calculation according to the environmental data acquired in real time or periodically, and the judgment is made to generate the early warning information, so that the working efficiency of the air purification filter element of the fresh air system is monitored, the replacement of the air purification filter element is prompted through early warning, and the air quality of the fresh air system is ensured.
On the basis of the above-described embodiments,
optionally, step 103 specifically includes: the environmental data comprises CO2Concentration according to preset CO after the purification efficiency is lower than the purification efficiency threshold value2Concentration ofJudging the condition, if the environmental data contains CO2Concentration value corresponding to the CO2And sending an instruction for reducing the fresh air speed of the fresh air system under the concentration condition.
Preferably, the predetermined CO is2The concentration condition may be preset CO2Concentration range according to preset CO2Determining CO in the environmental data under the concentration condition2Whether the concentration value corresponds to the CO2Concentration conditions, in particular, according to the predetermined CO2Concentration range determination of CO in environmental data2Whether the concentration value is between the set CO2And if the concentration range is within the concentration range, sending an instruction for reducing the fresh air speed of the fresh air system. Of course, the predetermined CO2The concentration conditions can be set according to specific requirements, and the present invention does not describe them.
Optionally, step 103 further includes: the environmental data still include the polar plate voltage of the air purification filter core of new trend system, if purification efficiency is less than after the purification efficiency threshold value, include: judging according to a preset plate voltage condition, and if the plate voltage of the fresh air system meets the preset plate voltage condition, sending an instruction for increasing the plate voltage of the fresh air system; and if the pole plate voltage of the fresh air system does not accord with the preset pole plate voltage condition, sending out an early warning instruction.
The voltage value of the polar plate is obtained by a high-voltage package which outputs high voltage through voltage boosting transformation, and the polar plate is connected with the high-voltage package through guidance; the power supply requires a 0-5V signal to be given, and the power supply then controls the output voltage of the high voltage packet in accordance with this signal. The preset pole plate voltage condition can be, for example, a preset pole plate voltage threshold which is a limit value of the output voltage of the high-voltage package, and if the output voltage of the high-voltage package is monitored in real time to exceed the limit value, the air purification filter element of the fresh air information has a safety problem and may not operate normally.
Specifically, in the above embodiment, after it is determined that the purification efficiency of the fresh air system decreases, the purification efficiency of the fresh air system can be adjusted by adjusting various operating conditions of the fresh air system, for example, the air supply speed of the fresh air system to the outdoor fresh air is adjusted, the air speed of the fresh air is reduced, the purification effect of the air purification filter element is improved, and the purification efficiency of the fresh air system is ensured. For example, the discharge voltage of the polar plate of the air purification filter element can be directly increased, so that the field intensity of the high-voltage electric field is controlled, and the purification effect of the fresh air system is ensured.
Optionally, the method further includes: and judging according to a preset purification efficiency threshold and a preset heat exchange efficiency threshold, and if the purification efficiency is higher than or equal to the purification efficiency threshold and the heat exchange efficiency is lower than the heat exchange efficiency threshold, sending an early warning instruction.
Optionally, the sending the early warning instruction specifically includes: and sending an early warning instruction for replacing the air purification filter element of the fresh air system.
Optionally, the operation according to the environmental data obtains the purification efficiency of new trend system specifically includes: PM 2.5's of new trend system purification efficiency E does:
wherein, C1The first average mass concentration of PM2.5 at the sampling position of the fresh air inlet pipeline; c2The second average mass concentration of PM2.5 at the sampling position of the fresh air outlet pipeline;
the environmental data includes the first average mass concentration of PM2.5 and the second average mass concentration of PM 2.5.
optionally, the heat exchange efficiency of the fresh air system is obtained according to the environmental data operation, and specifically includes that the heat exchange efficiency η of the fresh air system is:
wherein, t1The temperature of the fresh air is taken as the air inlet temperature; t is t2The temperature of the fresh air exhaust; t is t3The temperature of the air for air exhaust and air intake;
Qxthe fresh air quantity is obtained; qpThe air exhaust amount;
the environmental data comprises the fresh air inlet temperature, the fresh air exhaust temperature, the exhaust air inlet temperature, the fresh air quantity and the exhaust air quantity.
Fig. 2 is a schematic flow chart of an air quality early warning method of another fresh air system in an embodiment of the present invention, and as shown in fig. 2, a specific implementation manner of the early warning method of the present embodiment is as follows: the method comprises the following steps:
step 201, acquiring environmental data, and calculating according to the environmental data to acquire the purification efficiency and the heat exchange efficiency of a fresh air system;
in this embodiment, the purification efficiency of new trend system refers to the purification efficiency of new trend system to the dust particulate matter in the air, and the accessible monitors the PM2.5 concentration content change in the air and obtains the purification efficiency of new trend system in real time. The environmental data comprises the PM2.5 average mass concentration, fresh air inlet temperature, fresh air exhaust temperature, exhaust air inlet temperature, fresh air quantity, exhaust air quantity and the like.
Specifically, the purification efficiency E of the PM2.5 of the fresh air system is:
wherein, C1The first average mass concentration of PM2.5 at the sampling position of the fresh air inlet pipeline; c2The second average mass concentration of PM2.5 at the sampling position of the fresh air outlet pipeline;
the heat exchange efficiency η of the fresh air system is as follows:
wherein, t1The temperature of the fresh air is taken as the air inlet temperature; t is t2The temperature of the fresh air exhaust; t is t3The temperature of the air for air exhaust and air intake;
Qxthe fresh air quantity is obtained; qpThe amount of exhaust air.
Step 202, judging whether the purification efficiency of the fresh air system is lower than a purification efficiency threshold value according to a preset purification efficiency threshold value for judging the reduction of the purification efficiency; if yes, go to step 203; if not, go to step 205;
step 203, judging CO according to the preset CO2 concentration range2Whether the concentration value is within the preset CO2 concentration range; if so, sending an instruction for reducing the fresh air speed of the fresh air system, and continuing to execute the step 201, otherwise, executing the step 204;
step 204, judging whether the pole plate voltage value is smaller than the preset pole plate voltage value or not according to the set pole plate voltage value of the air purification filter element, if so, executing step 206 to send an instruction for increasing the pole plate voltage of the fresh air system, and continuing to execute step 201, otherwise, executing step 208;
step 205, judging whether the heat exchange efficiency of the fresh air system is lower than the heat exchange efficiency threshold, if so, executing step 208, otherwise, restarting step 201 by the fresh air system;
206, sending an instruction for increasing the plate voltage of the fresh air system;
step 207, sending an instruction for reducing the fresh air speed of the fresh air system;
and step 208, sending out a prompt or warning for replacing the air purification filter element.
In the embodiment of the invention, the heat exchange efficiency is required to be more than 60 percent for refrigeration and more than 65 percent for heating; the purification efficiency is more than or equal to 70 percent. Along with the decline of purification efficiency, polar plate voltage/electric current can follow the change, through the parameter standard that sets up in advance, can be exact master and control the life-span of air purification filter core. If the efficiency of the air purification filter element needs to be kept at an initial value, the first scheme is achieved by reducing the rotating speed of the fan, the second scheme can increase the voltage to strengthen the field intensity, and the implementation scheme can be comprehensively determined according to needs in actual operation.
The air quality early warning method of the fresh air system provided by the embodiment of the invention can monitor the purification efficiency or the heat exchange efficiency of the fresh air system in real time, compare the purification efficiency and the heat exchange efficiency obtained in real time with the preset judgment conditions that the purification efficiency and the heat exchange efficiency are qualified, realize the real-time detection of the purification and heat exchange effects of the fresh air system in the process of air purification or heat exchange of the fresh air system, timely early warn the operation condition of an air purification filter element of the fresh air system, and ensure the quality of the purified air. Meanwhile, the air quality early warning method of the fresh air system provided by the embodiment of the invention can adjust the self-purification efficiency by reducing the air speed of the fresh air inlet and/or increasing the pole plate voltage of the air purification filter element on the premise of ensuring the indoor air quality and the operation safety of the fresh air system, prolong the service life of the air purification filter element of the fresh air system and reduce the air purification cost of a user.
Fig. 3 is a schematic structural diagram of an air quality early warning device of a fresh air system in an embodiment of the present invention, and as shown in fig. 3, the device includes: the system comprises an acquisition module 301, a processing module 302 and an early warning module 303; wherein,
the acquisition module 301 is used for acquiring environmental data of the fresh air system; the processing module 302 is configured to obtain the purification efficiency and the heat exchange efficiency of the fresh air system according to the environmental data; the system comprises a purification efficiency threshold value, a heat exchange efficiency threshold value and a warning instruction, wherein the purification efficiency threshold value is used for judging according to a preset purification efficiency threshold value or heat exchange efficiency threshold value, and if the purification efficiency is lower than the purification efficiency threshold value or the heat exchange efficiency is lower than the heat exchange efficiency threshold value, the warning instruction is sent; the early warning module 303 is configured to receive an early warning instruction sent by the processing module, and generate early warning information according to the instruction.
The embodiment of the invention has the following specific implementation modes: for a fresh air system, firstly, the acquisition module 301 acquires environmental data of the fresh air system, and the processing module 301 obtains the purification efficiency and the heat exchange efficiency of the fresh air system according to the environmental data through the calculation of a preset purification efficiency calculation formula and a heat exchange efficiency calculation formula; comparing the purification efficiency and the heat exchange efficiency with a purification efficiency threshold value and a heat exchange efficiency threshold value preset by a fresh air system, and if the obtained purification efficiency is judged to be lower than the purification efficiency threshold value or the heat exchange efficiency is judged to be lower than the heat exchange efficiency threshold value, sending an early warning instruction for replacing an air purification filter element; the early warning module 303 receives the early warning instruction sent by the processing module, and generates early warning information according to the instruction.
According to the air quality early warning device of the fresh air system, the purification efficiency and the heat exchange efficiency of the fresh air system are obtained through the operation of the processing module according to the environmental data obtained by the obtaining module in real time; and comparing the purification efficiency and the heat exchange efficiency with a preset purification efficiency threshold value and a preset heat exchange efficiency threshold value, and sending an early warning instruction when the purification efficiency obtained in real time is judged to be lower than the purification efficiency threshold value or the heat exchange efficiency is lower than the heat exchange efficiency threshold value, so that the working efficiency of the air purification filter element of the fresh air system is monitored, the air purification filter element is replaced by early warning prompt, and the air quality of the fresh air system is ensured.
On the basis of the foregoing embodiment, optionally, in the air quality early warning device of the fresh air system provided in the embodiment of the present invention, the environmental data acquired in the acquisition module includes CO2If the concentration is lower than the purification efficiency threshold value after the processing module judges that the purification efficiency is lower than the purification efficiency threshold value, the processing module is further configured to: according to preset CO2Judging the concentration condition, if the environmental data contains CO2Concentration value corresponding to the CO2Under the condition of concentration, the new substance is reducedAnd (5) instructions of fresh air speed of the wind system.
The embodiment of the invention has the following specific implementation modes: the fresh air system acquisition module 301 is used for acquiring environmental data, which includes CO2Concentration, if the processing module determines that the purification efficiency is lower than the purification efficiency threshold, the processing module 302 processes the CO according to a preset CO2Judging the concentration condition, if the environmental data contains CO2Concentration value corresponding to the CO2And sending an instruction for reducing the fresh air speed of the fresh air system under the concentration condition.
According to the air quality early warning method of the fresh air system provided by the embodiment of the invention, the processing module is also used for pre-setting CO2Judging the concentration condition, if the environmental data contains CO2Concentration value corresponding to the CO2And sending an instruction for reducing the fresh air speed of the fresh air system under the concentration condition, realizing more refined monitoring on the working efficiency of the air purification filter element of the fresh air system, efficiently ensuring the purification efficiency of the air purification filter element and better ensuring the air quality of the fresh air system.
On the basis of the foregoing embodiment, optionally, the environmental data acquired in the acquisition module further includes a plate voltage of an air purification filter element of the fresh air system, and if the processing module determines that the purification efficiency is lower than the purification efficiency threshold, the processing module is further configured to: judging according to a preset plate voltage condition, and if the plate voltage of the fresh air system meets the preset plate voltage condition, sending an instruction for increasing the plate voltage of the fresh air system; and if the pole plate voltage of the fresh air system does not accord with the preset pole plate voltage condition, sending out an early warning instruction.
The embodiment of the invention has the following specific implementation modes: the fresh air system acquisition module 301 is configured to acquire environmental data, where the environmental data further includes a pole plate voltage of an air purification filter element of the fresh air system, and if the processing module determines that the purification efficiency is lower than the purification efficiency threshold, the processing module 302 determines according to a preset pole plate voltage condition, and if the pole plate voltage of the fresh air system meets the preset pole plate voltage condition, sends an instruction to increase the pole plate voltage of the fresh air system; and if the pole plate voltage of the fresh air system does not accord with the preset pole plate voltage condition, sending out an early warning instruction.
According to the air quality early warning method of the fresh air system provided by the embodiment of the invention, the processing module is arranged and is also used for judging according to the preset plate voltage condition, and if the plate voltage of the fresh air system meets the preset plate voltage condition, an instruction for increasing the plate voltage of the fresh air system is sent; if the pole plate voltage of the fresh air system does not accord with the preset pole plate voltage condition, sending out an early warning instruction; the monitoring that becomes more meticulous to the air purification filter core work efficiency of new trend system has been realized, has guaranteed the purification efficiency of air purification filter core high-efficiently to and the timely change early warning of air purification filter core, the air quality of having guaranteed the new trend system better.
The air quality early warning device of the fresh air system is used for realizing the air quality early warning method of the fresh air system, and each step is described in detail above, and is not set forth in detail herein.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention, and are not limited thereto; although embodiments of the present invention have been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An air quality early warning method of a fresh air system is characterized by comprising the following steps:
acquiring environmental data of a fresh air system;
calculating according to the environmental data to obtain the purification efficiency and the heat exchange efficiency of the fresh air system;
and judging according to a preset purification efficiency threshold or a heat exchange efficiency threshold, and if the purification efficiency is lower than the purification efficiency threshold or the heat exchange efficiency is lower than the heat exchange efficiency threshold, sending an early warning instruction.
2. The method of claim 1, wherein the environmental data comprises CO2A concentration, after the decontamination efficiency is below the decontamination efficiency threshold,
according to preset CO2Judging the concentration condition, if the environmental data contains CO2Concentration value corresponding to the CO2And sending an instruction for reducing the fresh air speed of the fresh air system under the concentration condition.
3. The method of claim 1, wherein the environmental data further comprises a plate voltage of an air purification filter of the fresh air system, and if the purification efficiency is below the purification efficiency threshold, the method comprises:
judging according to a preset plate voltage condition, and if the plate voltage of the fresh air system meets the preset plate voltage condition, sending an instruction for increasing the plate voltage of the fresh air system;
and if the pole plate voltage of the fresh air system does not accord with the preset pole plate voltage condition, sending out an early warning instruction.
4. The method of claim 1, further comprising:
and judging according to a preset purification efficiency threshold or a heat exchange efficiency threshold, and if the purification efficiency is higher than or equal to the purification efficiency threshold and the heat exchange efficiency is lower than the heat exchange efficiency threshold, sending an early warning instruction.
5. The method according to claim 3 or 4, wherein the issuing of the warning instruction specifically comprises:
and sending an early warning instruction for replacing the air purification filter element of the fresh air system.
6. The method according to claim 1, wherein the obtaining of the purification efficiency of the fresh air system by the operation according to the environmental data specifically comprises:
PM 2.5's of new trend system purification efficiency E does:
wherein, C1The first average mass concentration of PM2.5 at the sampling position of the fresh air inlet pipeline; c2The second average mass concentration of PM2.5 at the sampling position of the fresh air outlet pipeline;
the environmental data includes a first average mass concentration of the PM2.5 and a second average mass concentration of the PM 2.5.
7. the method according to claim 1, wherein the calculating the heat exchange efficiency η of the fresh air system according to the environmental data comprises:
wherein, t1The temperature of the fresh air is taken as the air inlet temperature; t is t2The temperature of the fresh air exhaust; t is t3The temperature of the air for air exhaust and air intake;
Qxthe fresh air quantity is obtained; qpThe air exhaust amount;
the environmental data comprises the fresh air inlet temperature, the fresh air exhaust temperature, the exhaust air inlet temperature, the fresh air quantity and the exhaust air quantity.
8. The utility model provides an air quality early warning device of new trend system which characterized in that, the device includes:
the acquisition module is used for acquiring environmental data of the fresh air system;
the processing module is used for calculating and obtaining the purification efficiency and the heat exchange efficiency of the fresh air system according to the environmental data; the system comprises a purification efficiency threshold value, a heat exchange efficiency threshold value and a warning instruction, wherein the purification efficiency threshold value is used for judging according to a preset purification efficiency threshold value or heat exchange efficiency threshold value, and if the purification efficiency is lower than the purification efficiency threshold value or the heat exchange efficiency is lower than the heat exchange efficiency threshold value, the warning instruction is sent;
and the early warning module is used for receiving the early warning instruction sent by the processing module and generating early warning information according to the instruction.
9. The apparatus of claim 8, wherein the environmental data acquired in the acquisition module comprises CO2If the concentration is lower than the purification efficiency threshold value after the processing module judges that the purification efficiency is lower than the purification efficiency threshold value, the processing module is further configured to:
according to preset CO2Judging the concentration condition, if the environmental data contains CO2Concentration value corresponding to the CO2And sending an instruction for reducing the fresh air speed of the fresh air system under the concentration condition.
10. The apparatus of claim 8, wherein the environmental data obtained by the obtaining module further includes a plate voltage of an air purification filter element of the fresh air system, and if the processing module determines that the purification efficiency is lower than the purification efficiency threshold, the processing module is further configured to:
according to the preset plate voltage condition, judging,
if the pole plate voltage of the fresh air system meets the preset pole plate voltage condition, sending an instruction for increasing the pole plate voltage of the fresh air system;
and if the pole plate voltage of the fresh air system does not accord with the preset pole plate voltage condition, sending out an early warning instruction.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864981A (en) * | 2021-10-18 | 2021-12-31 | 珠海格力电器股份有限公司 | Control method and device for fresh air of air conditioner and processor |
| CN114017813A (en) * | 2021-08-26 | 2022-02-08 | 宁波方太厨具有限公司 | Air purification device and use control method thereof |
| CN114985110A (en) * | 2022-05-31 | 2022-09-02 | 深圳市中航大记股份有限公司 | Electrostatic dust removal control method and system and electrostatic dust removal device |
| CN117666513A (en) * | 2023-12-11 | 2024-03-08 | 英德市宏利皮革有限公司 | Air quality monitoring method and system for leather processing workshop |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001289457A (en) * | 2000-04-07 | 2001-10-19 | Sanyo Electric Co Ltd | Cooling device |
| CN2724814Y (en) * | 2004-06-22 | 2005-09-14 | 北京动力源科技股份有限公司 | Electronic air purifier |
| CN201527054U (en) * | 2009-10-13 | 2010-07-14 | 中国科学院广州能源研究所 | Air conditioner |
| CN203396036U (en) * | 2013-08-09 | 2014-01-15 | 成信绿集成股份有限公司 | Novel fresh air management system |
| KR20140033809A (en) * | 2012-09-10 | 2014-03-19 | 주식회사 광성통신 | Filter automatic changing device and the method thereof |
| CN204115158U (en) * | 2014-09-26 | 2015-01-21 | 广州芬尼克兹环保科技有限公司 | The air cleaning system that a kind of gas concentration lwevel is adjustable |
| CN204254829U (en) * | 2014-11-19 | 2015-04-08 | 海南建峰智能工程有限公司 | For the heat reclamation type hot blast unit of terminal |
| CN204503349U (en) * | 2015-02-11 | 2015-07-29 | 深圳市至养生太科技有限公司 | The Electrostatic Absorption clarifier drive circuit of self adaptation high pressure adjustment |
| CN205303948U (en) * | 2015-12-31 | 2016-06-08 | 广州勒夫蔓德电器有限公司 | Air purifier high -voltage ion generating device |
| CN106016516A (en) * | 2016-06-27 | 2016-10-12 | 珠海格力电器股份有限公司 | Fresh air machine and control method and device thereof |
| CN106050095A (en) * | 2016-06-13 | 2016-10-26 | 朱幕松 | Fresh air purifier |
| CN106288173A (en) * | 2016-08-12 | 2017-01-04 | 青岛智慧云谷智能科技有限公司 | A kind of intelligent control method of new blower fan |
-
2017
- 2017-05-27 CN CN201710393454.3A patent/CN108954671A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001289457A (en) * | 2000-04-07 | 2001-10-19 | Sanyo Electric Co Ltd | Cooling device |
| CN2724814Y (en) * | 2004-06-22 | 2005-09-14 | 北京动力源科技股份有限公司 | Electronic air purifier |
| CN201527054U (en) * | 2009-10-13 | 2010-07-14 | 中国科学院广州能源研究所 | Air conditioner |
| KR20140033809A (en) * | 2012-09-10 | 2014-03-19 | 주식회사 광성통신 | Filter automatic changing device and the method thereof |
| CN203396036U (en) * | 2013-08-09 | 2014-01-15 | 成信绿集成股份有限公司 | Novel fresh air management system |
| CN204115158U (en) * | 2014-09-26 | 2015-01-21 | 广州芬尼克兹环保科技有限公司 | The air cleaning system that a kind of gas concentration lwevel is adjustable |
| CN204254829U (en) * | 2014-11-19 | 2015-04-08 | 海南建峰智能工程有限公司 | For the heat reclamation type hot blast unit of terminal |
| CN204503349U (en) * | 2015-02-11 | 2015-07-29 | 深圳市至养生太科技有限公司 | The Electrostatic Absorption clarifier drive circuit of self adaptation high pressure adjustment |
| CN205303948U (en) * | 2015-12-31 | 2016-06-08 | 广州勒夫蔓德电器有限公司 | Air purifier high -voltage ion generating device |
| CN106050095A (en) * | 2016-06-13 | 2016-10-26 | 朱幕松 | Fresh air purifier |
| CN106016516A (en) * | 2016-06-27 | 2016-10-12 | 珠海格力电器股份有限公司 | Fresh air machine and control method and device thereof |
| CN106288173A (en) * | 2016-08-12 | 2017-01-04 | 青岛智慧云谷智能科技有限公司 | A kind of intelligent control method of new blower fan |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017813A (en) * | 2021-08-26 | 2022-02-08 | 宁波方太厨具有限公司 | Air purification device and use control method thereof |
| CN113864981A (en) * | 2021-10-18 | 2021-12-31 | 珠海格力电器股份有限公司 | Control method and device for fresh air of air conditioner and processor |
| CN114985110A (en) * | 2022-05-31 | 2022-09-02 | 深圳市中航大记股份有限公司 | Electrostatic dust removal control method and system and electrostatic dust removal device |
| CN117666513A (en) * | 2023-12-11 | 2024-03-08 | 英德市宏利皮革有限公司 | Air quality monitoring method and system for leather processing workshop |
| CN117666513B (en) * | 2023-12-11 | 2024-05-14 | 沂水金山皮业有限公司 | Air quality monitoring method and system for leather processing workshop |
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