CN105311949B - Formaldehyde removing module - Google Patents
Formaldehyde removing module Download PDFInfo
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- CN105311949B CN105311949B CN201410326133.8A CN201410326133A CN105311949B CN 105311949 B CN105311949 B CN 105311949B CN 201410326133 A CN201410326133 A CN 201410326133A CN 105311949 B CN105311949 B CN 105311949B
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Abstract
The present invention provides a kind of formaldehyde removing module, the formaldehyde removing module includes carrying micro-nano silver active carbon and shell, and the load micro-nano silver active carbon, which is placed in, to be protected in the shell, and the formaldehyde removing module has the effect of long-acting removal formaldehyde.The advantages of present invention further discloses the air cleaning unit and air purifier that formaldehyde module is gone containing described in, all has long-acting removal formaldehyde.
Description
Technical field
The invention belongs to indoor air purification fields, and in particular to a kind of formaldehyde removing module and air cleaning unit.
Background technique
Due to industrialized fast development, the increase of automobile, it is most fast that China becomes the exacerbation degree of atmosphere pollution in the world
Country.The case where air pollution has seriously affected people's health life, and indoor and outdoor pollution is parallel, faces domestic trouble and foreign invasion.
With the more modernization of production and life style, more work and sports entertainment can all carry out indoors, Ren Men
The indoor activity time is with regard to more.According to statistics, city dweller daily an average of about 80% or more time spend indoors, especially
The weak group such as the elderly, young, sick, disabled, Abwehrkraft des Koepers is lower, outdoor activities chance is less, the time spent indoors is even
Up to 93% or more.Constantly risen by the various disease incidences that indoor pollution causes, therefore the quality pair of room air
People's health has direct connection.
Cause the main source of room air pollution have building and house decorative material, outdoor pollutant, combustion product and
People itself is movable.Finishing pollution has become indoor one of the principal element for seriously affecting our health.In China, have every year close
Nuisance is fitted up by formaldehyde, volatile organic compounds (VOC) such as toluene, dimethylbenzene by the finishing family at 10,000,000 families
The injury of matter.PM2.5 is human body lung particulate matter, can mainly be damaged to respiratory system and cardiovascular system.
Currently, to be broadly divided into passive adsorption air filter net for the cleaning principle of indoor air cleaner available on the market
Change, is generally inhaled using HEPA strainer+active carbon filter screen+photocatalyst (cold catalyst, how far catalyst)+ultraviolet radiation for sterilizing and disinfecting+electrostatic
The methods of attached strainer purifies to handle air and active air, generally there is silver ion purification techniques, anion technology, low temperature
Plasma technology, photocatalyst technology and net cluster ion technology effectively, active purifying and sterilizing factor etc. is discharged into air.Air
Middle particulate matter removal technology mainly has mechanical filter, absorption, electrostatic precipitation, anion and plasma method and the filtering of electrostatic electret
Deng.Removal PM2.5 generally uses electrostatic precipitator technology, is to make gas ionization using high-voltage electrostatic field to make dust particles adsorb
Collecting method on to electrode can cause to discharge, and clean fiber crops though windage is small poor to larger particles and fiber trapping effect
It is tired of time-consuming, is also easy to produce ozone, forms secondary pollution.
In conclusion air purifier in the prior art, has the following problems:
It is needed to frequently replace except formaldehyde materials except formaldehyde is not long-acting enough used by existing air purifier, it is at high cost.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of formaldehyde removing module and containing
State the air cleaning unit of formaldehyde removing module.
In order to achieve the above objects and other related objects, the invention adopts the following technical scheme:
The first aspect of the present invention, provides a kind of formaldehyde removing module, and the formaldehyde removing module includes carrying micro-nano silver to live
Property charcoal and shell, the load micro-nano silver active carbon, which is placed in, to be protected in the shell.
Second aspect of the present invention, provides a kind of air cleaning unit, and the air cleaning unit includes above-mentioned except first
Aldehyde module.
Further, the air cleaning unit further includes Air Drive Unit, and the Air Drive Unit includes heating
Resistance and power supply, the adding thermal resistance are connected on the power supply, suitable for reinforcing the flowing of air.
Preferably, the adding thermal resistance is to carry micro-nano silver activated carbon adding thermal resistance.
Preferably, the adding thermal resistance is more than or equal to two, and the vertically aligned arrangement of each adding thermal resistance.
Preferably, the adding thermal resistance is more than or equal to two, and each adding thermal resistance is connect with an independent power supply respectively.
Preferably, the adding thermal resistance is more than or equal to two, and connects between each adding thermal resistance, and is connected to an electricity
Source.
Third aspect present invention, provides a kind of air purifier, the air purifier include air quality sensor,
Intelligent controller and aforementioned air purification device, the air quality sensor is for real-time monitoring air quality and delivery air
Status signal, the intelligent controller receive the air condition signal, and output control signal is sent to air cleaning unit,
It is worked with starting the air cleaning unit.
Preferably, the air purifier further includes air quality display, and the air quality display can receive
The signal that the intelligent controller issues shows the air quality index of precision.
Fourth aspect present invention, additionally provides another air purifier, and the air purifier includes control module
With aforementioned air purification device, the control module controls the air cleaning unit and carries out work for receiving control signal
Make.
Compared with prior art, the invention has the following advantages that
1. the formaldehyde removing module provided in technical solution of the present invention, when being used for air cleaning unit, used load is micro-
Nano-silver active carbon, can long-acting removal formaldehyde, can be recycled, do not need to be replaced as frequently as, it is more convenient, environmentally friendly.
2. further, the Air Drive Unit in air cleaning unit provided in technical solution of the present invention promotes sky
The mode of flow of air is quiet, and it is not high to consume energy, and only needs resistance, does not need complicated blower fan structure, low in cost.When
When the component is used for air cleaning unit, have the advantages that low noise, low energy consumption, low cost.
Detailed description of the invention
Fig. 1 is the formaldehyde removing module structural schematic diagram provided in the embodiment of the present invention.
Fig. 2 is shown as comparative example and prepares the resulting breakthrough curve for carrying micro-nano silver active carbon purifying formaldehyde.
Fig. 3 is shown as method 3 and prepares the resulting breakthrough curve for carrying micro-nano silver active carbon purifying formaldehyde.
Fig. 4 is shown as method 3 and prepares the resulting scanning electron microscopic picture for carrying micro-nano silver active carbon.
Fig. 5 is the Air Drive Unit structural schematic diagram provided in the embodiment of the present invention.
Fig. 6 is the air purifier structural schematic diagram provided in the embodiment of the present invention.
Fig. 7 is the air purifier structural schematic diagram provided in the embodiment of the present invention.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
As shown in Figure 1, formaldehyde removing module of the invention includes carrying micro-nano silver active carbon 21 and shell 22, the load micro-nano
Rice active carbon of silver 21, which is placed in, to be protected in the shell 22.The shell is open shell, so that air-flow can be micro-nano by carrying
Active carbon of silver.The formaldehyde removing module can be board-like, wave or other conventional shapes.
Wherein, the load micro-nano silver active carbon is " a kind of long-acting under room temperature to disappear in Chinese invention patent application
Except the preparation method of the carrying nano silver active carbon of formaldehyde " it (application number: 2014102469485) is described in detail.
Specifically, the preparation method for carrying micro-nano silver active carbon, includes the following steps:
1) it cleaning active charcoal: is dried after active carbon is cleaned；
2) ammonium hydroxide dipping is modified: active carbon obtained by step 1) being impregnated in ammonia spirit, drying is then taken out；
3) load micro-nano silver: active carbon obtained by step 2) be impregnated in silver nitrate solution, then take out drying to get
The load micro-nano silver active carbon, the load capacity for carrying the silver of micro-nano silver active carbon is 0.0002-0.1wt%.
Wherein, the micro-nano silver is elemental silver.
The active carbon be porous activated carbon, and have good electric conductivity and water absorption rate, conductivity be 200~
1000S/m。
In the step 1), the main purpose of cleaning active charcoal is to play part of ash and impurity in removal active carbon
The effect of ion.
For the shape of active carbon there is no particular/special requirement in the present invention, specifically, the active carbon can be selected from it is powdered
The active carbon of various shapes such as active carbon, granular active carbon, fibrous activated carbon, honeycomb moulding activated carbon..
Preferably, in the step 1), the method for active carbon cleaning is to be placed in ultrapure water to be cleaned by ultrasonic.
The time span that those skilled in the art can be cleaned by ultrasonic in empirically determined ultrapure water, to guarantee active carbon
Sufficiently cleaning.
Preferably, in the step 1), the temperature of drying is 60-120 DEG C.
Preferably, in the step 2), the mass ratio of active carbon and ammonia spirit is 1:2~1:20.
Preferably, in the step 2), the mass percent concentration of ammonia spirit is 15%-28%.
Preferably, in the step 2), the actual conditions of dipping are as follows: impregnate 1-24h at room temperature.
Preferably, in the step 2), the temperature of drying is 80-120 DEG C.
Preferably, in the step 3), the actual conditions of dipping are as follows: impregnate 6-48h at room temperature.
Preferably, in the step 3), the temperature of drying is 60-100 DEG C.
Preferably, in the step 3), the mass ratio of active carbon and silver nitrate solution is 1:10-1:100.
Preferably, in the step 3), the silver nitrate solution is silver nitrate aqueous solution, and the concentration of silver ion is in solution
10-1000ppm。
Preferably, in the step 3), the load capacity for carrying the silver of micro-nano silver active carbon is 0.0005-0.1wt%.
More specifically, prepared using following preparation method carry micro-nano silver active carbon and to except formaldehyde purifying property into
Row evaluation.
Wherein, the purifying property of load micro-nano silver active carbon PARA FORMALDEHYDE PRILLS(91,95) of the invention is evaluated in Φ 20mm, the straight type of long 200mm
It is carried out in polytetrafluoroethylene (PTFE) pipe reactor, having a size of Φ 20mm*50mm, (active carbon loads diameter and straight type is poly- for the filling of active carbon
Tetrafluoroethene pipe reactor is identical, guarantees that the gas passed through passes through active carbon processing), unstripped gas composition are as follows: concentration of formaldehyde 1
~100ppm is specially 6ppm in embodiment, remaining is air.Reaction carries out under 25 DEG C of atmospheric pressure environments, and reaction gas volume is empty
Fast (GHSV) is 6000h-1, concentration of formaldehyde is gone out by the portable formaldehyde gas detector test of domestic GD80, purifying formaldehyde is calculated
Rate.
The untreated honeycomb moulding activated carbon. of blank sample:
The honeycomb moulding activated carbon. of Φ 20mm, long 50mm are subjected to purifying formaldehyde performance evaluation according to afore-mentioned test condition,
Initial time formaldehyde is pierced at 25 DEG C, and the complete penetration time of formaldehyde is 820min, shows the processing of blank sample PARA FORMALDEHYDE PRILLS(91,95)
It is easily saturated for physical absorption.
Comparative example honeycomb moulding activated carbon. directly loads micro-nano silver:
Prepare concentration of silver ions be 100ppm silver nitrate aqueous solution, by untreated Φ 20mm, long 50mm honeycomb at
Type active carbon is that 1:100 is impregnated in silver nitrate aqueous solution with the mass ratio of active carbon and silver nitrate aqueous solution, is soaked at room temperature
100 DEG C of drying are taken out after stain 6h.Wherein the load capacity of micro-nano silver is 0.0002% (wt).
Made active carbon is subjected to purifying formaldehyde performance evaluation according to afore-mentioned test condition, active carbon purifying formaldehyde is worn
Saturating curve is as shown in Fig. 2, initial time formaldehyde is pierced at 25 DEG C, and formaldehyde, which penetrates, after 1870min reaches balance, at this time formaldehyde
Purifying rate be about 15%.
Method 1
Φ 20mm, long 50mm honeycomb moulding activated carbon. are placed in ultrapure water to be cleaned by ultrasonic and (be put into active carbon three times
Sufficiently cleaned into ultrapure water with ultrasonic cleaner), it is dried in 60 DEG C；By the active carbon after cleaning with the ratio of mass ratio 1:5
Example is placed in 15% ammonia spirit, is taken out after impregnating 1h at room temperature, is dried in 80 DEG C；Preparing concentration of silver ions is 100ppm's
It is water-soluble to be that active carbon is impregnated in silver nitrate by 1:100 with the mass ratio of active carbon and silver nitrate aqueous solution for silver nitrate aqueous solution
In liquid, 100 DEG C of drying are taken out after impregnating 6h at room temperature.Wherein the load capacity of micro-nano silver is 0.0005% (wt).
The active carbon prepared is subjected to purifying formaldehyde performance evaluation according to afore-mentioned test condition, at 25 DEG C formaldehyde just
Formaldehyde starts to penetrate after beginning purifying rate is 100%, 130min, and formaldehyde, which penetrates, after 2960min reaches balance, the purification of formaldehyde at this time
Rate is about 18.5%.
Method 2
Φ 20mm, long 50mm honeycomb moulding activated carbon. are placed in ultrapure water be cleaned by ultrasonic three times, in 80 DEG C drying with；
Active carbon after cleaning is placed in 15% ammonia spirit with the ratio of mass ratio 1:10, impregnates take out afterwards for 24 hours at room temperature, in
80 DEG C of drying；The silver nitrate aqueous solution that concentration of silver ions is 70ppm is prepared, with the mass ratio of active carbon and silver nitrate aqueous solution
Active carbon is impregnated in silver nitrate aqueous solution for 1:50, takes out 60 DEG C of drying after impregnating 48h at room temperature.Wherein micro-nano silver
Load capacity is 0.01% (wt).
The active carbon prepared is subjected to purifying formaldehyde performance evaluation according to afore-mentioned test condition, at 25 DEG C formaldehyde just
Formaldehyde starts to penetrate after beginning purifying rate is 100%, 17h, and formaldehyde, which penetrates, after 75h reaches balance, and the purifying rate of formaldehyde is about at this time
It is 37%.Method 3
Φ 20mm, long 50mm honeycomb moulding activated carbon. are placed in ultrapure water and are cleaned by ultrasonic three times, is dried in 80 DEG C；It will
Active carbon after cleaning is placed in 28% ammonia spirit with the ratio of mass ratio 1:20, is taken out after impregnating 4h at room temperature, in 100
DEG C drying；The silver nitrate aqueous solution that concentration of silver ions is 100ppm is prepared, with the mass ratio of active carbon and silver nitrate aqueous solution
Active carbon is impregnated in silver nitrate aqueous solution for 1:100, takes out 100 DEG C of drying after impregnating 8h at room temperature.Wherein micro-nano silver
Load capacity be 0.03% (wt).
The active carbon prepared is subjected to purifying formaldehyde performance evaluation, active carbon purifying formaldehyde according to afore-mentioned test condition
Breakthrough curve as shown in figure 3, formaldehyde starts to penetrate after the riginal net rate of formaldehyde is 100%, 42h at 25 DEG C, after 140h
Formaldehyde, which penetrates, reaches balance, and the purifying rate of formaldehyde is about 50% at this time.Prepare scanning electron microscopic picture such as Fig. 4 of resulting active carbon
It is shown, there is tens nanometers to several microns of Argent grain in activated carbon surface accumulation.
Method 4
Φ 20mm, long 50mm honeycomb moulding activated carbon. are placed in ultrapure water and are cleaned by ultrasonic three times, is dried in 120 DEG C；
Active carbon after cleaning is placed in 28% ammonia spirit with the ratio of mass ratio 1:10, is taken out after impregnating 6h at room temperature, in
100 DEG C of drying；The silver nitrate aqueous solution that concentration of silver ions is 1000ppm is prepared, with the quality of active carbon and silver nitrate aqueous solution
Ratio is that active carbon is impregnated in silver nitrate aqueous solution by 1:20, takes out 100 DEG C of drying after impregnating 36h at room temperature.Wherein micro-nano
The load capacity of meter Yin is 0.1% (wt).
The active carbon prepared is subjected to purifying formaldehyde performance evaluation according to afore-mentioned test condition, at 25 DEG C formaldehyde just
Formaldehyde starts to penetrate after beginning purifying rate is 100%, 184h, and formaldehyde, which penetrates, after 620h reaches balance, at this time the purifying rate of formaldehyde
About 70%.Method 5
Will filling the granular active carbon having a size of Φ 20mm, long 50mm be placed in ultrapure water be cleaned by ultrasonic three times, in
100 DEG C of drying；Active carbon after cleaning is placed in 20% ammonia spirit with the ratio of mass ratio 1:2, impregnates 10h at room temperature
After take out, in 80 DEG C dry；The silver nitrate aqueous solution that concentration of silver ions is 10ppm is prepared, with active carbon and silver nitrate aqueous solution
Mass ratio be 1:10 active carbon is impregnated in silver nitrate aqueous solution, at room temperature impregnate 12h after take out 100 DEG C drying.Its
The load capacity of middle micro-nano silver is 0.0018% (wt).
The active carbon prepared is subjected to purifying formaldehyde performance evaluation according to afore-mentioned test condition, at 25 DEG C formaldehyde just
Formaldehyde starts to penetrate after beginning purifying rate is 100%, 410min, and formaldehyde, which penetrates, after 92h reaches balance, at this time the purifying rate of formaldehyde
About 33%.
As it can be seen that the oxidation Formaldehyde decomposition speed of load micro-nano silver activated carbon catalysis prepared by preparation method provided by the present invention
Rate is high, the duration is long and performance is stablized.In addition, the raw material active carbon cost that preparation method provided by the present invention uses
It is low, source is wide, the silver content loaded thereon is 0.0002~0.1% (wt), therefore cost is relatively low for catalyst, and preparation process
Simply, there is good industrialization prospect.
In above-mentioned preparation method, by active carbon after ultrapure water cleaning, ammonium hydroxide impregnate, part of ash in active carbon and miscellaneous
Matter ion is removed, while introducing a large amount of hydroxyl group, and hydroxyl has polarity, can be formed hydrogen bond with formaldehyde, be increased formaldehyde
The rate of adsorption and adsorbance；On the other hand its ash content and foreign ion etc. can be replaced with hydroxyl, be reduced inside active carbon
Phosphate radical and chloride ion etc. content so that Ag+It is easier to be reduced into simple substance micro-nano silver in activated carbon surface；Hydroxyl
It is uniformly distributed so that micro-nano silver is evenly dispersed in activated carbon surface, improves the catalytic decomposition performance of micro-nano silver PARA FORMALDEHYDE PRILLS(91,95).
Micro-nano silver and active carbon complete formaldehyde treated in the case where enrichment converts synergistic mechanism jointly: active carbon adsorbs formaldehyde gas rich
Formaldehyde is catalytically decomposed into CO the synergistic effect of collection, micro-nano silver and active carbon2And H2O, when catalyzed conversion rate near or above
When enriching rate, it is saturated the available solution of absorption problem；In addition, low concentration formaldehyde can improve to obtain more by enrichment
High conversion rate and efficiency, being capable of long-term, efficient, advanced treating low concentration and high-concentration formaldehyde gas.
Compared with prior art, the activity that load micro-nano silver active carbon of the invention is crossed with ultrapure water cleaning, AMMONIA TREATMENT
Charcoal is carrier, and load micro-nano silver active component is prepared, and absorption, the reproducibility of active carbon is utilized, micro-nano silver is to first
Enrichment between the catalytic oxidation performance and micro-nano silver and active carbon of aldehyde converts synergistic mechanism, so that carrying micro-nano silver active carbon
Catalysis oxidation Formaldehyde decomposition rate is high, performance is stablized, and has substantive distinguishing features and marked improvement.The raw material that the present invention uses are living
Property charcoal is at low cost, source is wide, the silver content loaded thereon is 0.0002~0.1% (wt), therefore cost is relatively low for catalyst, and
Preparation process is simple；Catalyst is in air speed 6000h-1, the complete catalysts oxidation of PARA FORMALDEHYDE PRILLS(91,95) is realized at room temperature, and the duration is up to
Formaldehyde starts to penetrate after 184h, 184h, and formaldehyde, which penetrates, after 620h reaches balance, and the purifying rate of formaldehyde is about 70% at this time.Institute
State carry micro-nano silver active carbon, can long-acting removal formaldehyde, can be recycled, do not need to be replaced as frequently as, more convenient, ring
It protects.
Further, air cleaning unit of the invention, generally comprises shell, and shell is equipped with air intake vent, air outlet, shell
Inner cavity sets air movement device, air-purifying module.Air movement device and air-purifying module are in air cleaning unit
Position can arrange according to actual needs.
The air intake vent can be set to the side or bottom surface of air cleaning unit shell.The air outlet can be set to air cleaning
The top of device.
Air-purifying module in the air cleaning unit may include one or more air cleaning members.The air
Purifying part can be passive adsorption air filter purifying part, be also possible to active air purifying part either the two
In conjunction with.Such as can be selected from HEPA strainer, active carbon filter screen, photocatalyst (cold catalyst, how far catalyst), ultraviolet lamp, electrostatic absorption filter screen,
One of existing air cleaning member such as negative ion generating device or a variety of combinations.Air-purifying module is arranged in air drive
On current path caused by dynamic device.
Further, air cleaning unit of the invention uses above-mentioned improved formaldehyde removing module.The formaldehyde removing module
In air cleaning unit.Under normal circumstances, the formaldehyde removing module is located at current path caused by air movement device
On.The formaldehyde removing module can be used as air-purifying module, alternatively, the formaldehyde removing module can also be with other air cleaning portions
Part collectively constitutes air-purifying module.Due to using the formaldehyde removing module, it is thus possible to the formaldehyde of long-acting removal air.
The air movement device can be blower.Further improved, the present invention is using a kind of new Air Drive Unit
Replace blower as air movement device.
The improved Air Drive Unit is as shown in figure 5, include adding thermal resistance 11 and power supply 12, the adding thermal resistance 11
It can generate heat after connection power supply 12, so that the temperature of the air of 11 top of the adding thermal resistance increases, so that the heating is electric
The air of 11 top of resistance forms temperature difference generation cross-ventilation with from the air of the adding thermal resistance 11 remotely, thus in heating electricity
11 top of resistance forms air microfluidic, flows up the air of ambient enviroment continuously, the arrow in figure indicates air-flow
The direction of flowing.It is quiet in such a way that adding thermal resistance 11 promotes air to flow in this way, and it is not high to consume energy, and only needs electricity
Resistance does not need complicated blower fan structure, low in cost.When the component is used for air cleaning unit, there is low noise, low energy
The advantage of consumption, low cost.
Wherein, the power supply 12 can use battery or domestic power supply, and the voltage provided is relatively good in 6-12v.
Preferably, when the power of the adding thermal resistance 11 is 0.12~0.6w, the temperature of generation is 45~60 DEG C, generation
Cross-ventilation effect is relatively good.
Preferably, the adding thermal resistance is to carry micro-nano silver activated carbon adding thermal resistance.
When the load micro-nano silver active carbon that aforesaid way is prepared is made into the electricity of the heating in above-mentioned Air Drive Unit
Resistance, in use, the efficiency for carrying micro-nano silver active carbon decomposing formaldehyde is enabled to improve.In addition, in cold situation,
It carries micro-nano silver active carbon and is only capable of catalyzed conversion formaldehyde, it is made to be decomposed into carbon dioxide and water.And carrying micro-nano silver activity
It is powered on charcoal, the reactivity for carrying micro-nano silver activated carbon surface can be improved, to have the ability for decomposing VOC.Thus, it will
The load micro-nano silver active carbon is made into the adding thermal resistance in above-mentioned Air Drive Unit, not only makes the Air Drive Unit
Have the advantages that low noise, also may make the load micro-nano silver active carbon has both integrate to remove PM2.5, formaldehyde, VOCs
Function.
Preferably, the adding thermal resistance 11 is more than or equal to two, and the vertically aligned arrangement of each adding thermal resistance 11, energy
The temperature of 11 top of adding thermal resistance is enough improved, and then promotes the air above the adding thermal resistance 11 and the separate heating
Air Temperature Difference at resistance 11, to form stronger air flowing above the adding thermal resistance 11.
Preferably, the adding thermal resistance 11 be more than or equal to two, and each adding thermal resistance 11 respectively with an independent power supply
12 connections, the power supply capacity of each independent circuits is strong and controllable at this time, avoids breaking down together.
Preferably, the adding thermal resistance 11 is more than or equal to two, and connect between each adding thermal resistance 11, and be connected to one
Power supply, the general power of the adding thermal resistance 11 is big at this time, can be improved the temperature of 11 top of adding thermal resistance, and then promotes institute
The air and the Air Temperature Difference at the separate adding thermal resistance 11 for stating 11 top of adding thermal resistance, thus in the adding thermal resistance 11
It is rectangular to be flowed at stronger air.
Preferably, the adding thermal resistance is more than or equal to two, and each adding thermal resistance is connected in parallel to each other, and is connected to same electricity
Source, at this point, entire circuit is simple and easily controllable.
When the adding thermal resistance is more than or equal to two, the air thermal convection above adding thermal resistance can be reinforced.
The adding thermal resistance of the Air Drive Unit is located in air cleaning unit inner chamber.Based on air driving group of the present invention
Part drives the mechanism of air, and the adding thermal resistance, which is set to interior intracavitary any position, can produce air-flow.Preferably, the heating
Resistance is close to air intake vent, so that the air in ambient enviroment continuously enters air cleaning unit.Specifically, adding as described
Thermal resistance is set to the lower part of air cleaning unit.
Air-purifying module of the present invention can be disposed on updraft access caused by Air Drive Unit.Preferably
, the air-purifying module is set to above the adding thermal resistance of the Air Drive Unit, and current rate is big herein, and sky can be improved
Gas purification efficiency.It is quiet in such a way that Air Drive Unit promotes air to flow in this way, and it is not high to consume energy, and only needs
Resistance does not need complicated blower fan structure, low in cost.When the component is used for air cleaning unit, there is low noise, low
The advantage of energy consumption, low cost.
Further, the present invention also provides a kind of air purifiers, as shown in fig. 6, including 1 He of air quality sensor
Intelligent controller 2 and air cleaning unit 4 include formaldehyde removing module 411, the air matter in the air cleaning unit 4
Quantity sensor 1 is used for real-time monitoring air quality, including concentration of formaldehyde, PM2.5 concentration, TVOC concentration, temperature, humidity etc., and
Delivery air status signal；The air quality sensor 1 can use the prior art, such as: Shanghai Teng Wei Information technology has
The product type of limit company is the air quality sensor or other products with similar functions of TS-201.
The intelligent controller 2 receives the air condition signal, and exports control signal, is sent to air cleaning unit
4, it is worked with starting the air cleaning unit 4.The prior art can be used in the intelligent controller 2, and wherein formaldehyde controls
Device can be the product of Shanghai Teng Wei Information technology Co., Ltd, product type TS102 or other with similar functions
Product；Temperature and humidity controller can be Shanghai Teng Wei Information technology Co., Ltd product, product type TS402 or other
Product with similar functions.
Preferably, the intelligent controller 2 can also be connected with autoalarm, when air quality is more than early warning value, then
It will start autoalarm and issue alarm signal, the alarm signal can be sound, light, electricity, information flow etc..
Preferably, the air purifier further includes air quality display 3, the air quality display 3 can be connect
The signal that the intelligent controller issues is received, shows the air quality index of precision；The air quality display 3 can be using existing
There is technology, can be Shanghai Teng Wei Information technology Co., Ltd product, product type TP-202 or other with similar function
The product of energy.
Further, the present invention also provides another air purifiers, as shown in fig. 7, comprises control module 5 is with before
Air cleaning unit 4 is stated, the control module 5 controls the air cleaning unit 4 and carry out work for receiving control signal
Make, the air cleaning unit 4 includes formaldehyde removing module 411；The control module 5 can be Shanghai using the prior art
Teng Wei Information technology Co., Ltd product, product type TM101 or other products with similar functions.
Further, above-mentioned air purifier can further comprise Air Drive Unit as shown in Figure 5.
Preferably, the formaldehyde removing module is located at the top of the adding thermal resistance of the Air Drive Unit.When except formaldehyde mould
When being aligned arrangement on block and Air Drive Unit vertical direction, the efficiency of purification air can further improve.
Compared with prior art, the invention has the following advantages that
1. the formaldehyde removing module provided in technical solution of the present invention, when being used for air cleaning unit, used load is micro-
Nano-silver active carbon, can long-acting removal formaldehyde, can be recycled, do not need to be replaced as frequently as, it is more convenient, environmentally friendly.
2. further, the Air Drive Unit in air cleaning unit provided in technical solution of the present invention promotes sky
The mode of flow of air is quiet, and it is not high to consume energy, and only needs resistance, does not need complicated blower fan structure, low in cost.When
When the component is used for air cleaning unit, have the advantages that low noise, low energy consumption, low cost.
The above, only presently preferred embodiments of the present invention, above-described embodiment be only illustrated the principle of the present invention and
Its effect, and not to the present invention in any form with substantial limitation, it is noted that for the common skill of the art
Art personnel can also make several improvement and supplement under the premise of not departing from the method for the present invention, these are improved and supplement
It should be regarded as protection scope of the present invention.All those skilled in the art, in the feelings for not departing from the spirit and scope of the present invention
It is this when the equivalent variations for a little variation, modification and evolution made using disclosed above technology contents under condition
The equivalent embodiment of invention；Meanwhile all substantial technologicals according to the present invention are to any equivalent variations made by above-described embodiment
Variation, modification and evolution, in the range of still falling within technical solution of the present invention.
Claims (7)
1. a kind of air cleaning unit, which is characterized in that the air cleaning unit includes formaldehyde removing module and air driving group
Part, the formaldehyde removing module are located on current path upward caused by the Air Drive Unit, the formaldehyde removing module
It is placed in the shell including carrying micro-nano silver active carbon and shell, the load micro-nano silver active carbon, the air driving group
Part includes adding thermal resistance and power supply, and the adding thermal resistance is connected on the power supply, described to add suitable for reinforcing the flowing of air
Thermal resistance is to carry micro-nano silver activated carbon adding thermal resistance.
2. air cleaning unit according to claim 1, which is characterized in that the adding thermal resistance be more than or equal to two, and
Each vertically aligned arrangement of adding thermal resistance.
3. air cleaning unit according to claim 1, which is characterized in that the adding thermal resistance be more than or equal to two, and
Each adding thermal resistance is connect with an independent power supply respectively.
4. air cleaning unit according to claim 1, which is characterized in that the adding thermal resistance be more than or equal to two, and
It connects between each adding thermal resistance, and is connected to a power supply.
5. a kind of air purifier, which is characterized in that the air purifier include air quality sensor, intelligent controller and
Air cleaning unit as described in claim 1-4 is any, the air quality sensor are used for real-time monitoring air quality simultaneously
Delivery air status signal, the intelligent controller receive the air condition signal, and it is net to be sent to air for output control signal
Makeup is set, and is worked with starting the air cleaning unit.
6. air purifier according to claim 5, which is characterized in that the air purifier further includes that air quality is aobvious
Show that device, the air quality display can receive the signal that the intelligent controller issues, shows the air quality index of precision.
7. a kind of air purifier, which is characterized in that the air purifier includes control module and such as claim 1-4 any
The air cleaning unit, the control module control the air cleaning unit and carry out work for receiving control signal
Make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326133.8A CN105311949B (en) | 2014-07-09 | 2014-07-09 | Formaldehyde removing module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326133.8A CN105311949B (en) | 2014-07-09 | 2014-07-09 | Formaldehyde removing module |
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| Publication Number | Publication Date |
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| CN105311949A CN105311949A (en) | 2016-02-10 |
| CN105311949B true CN105311949B (en) | 2019-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410326133.8A Active CN105311949B (en) | 2014-07-09 | 2014-07-09 | Formaldehyde removing module |
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| Country | Link |
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| CN (1) | CN105311949B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2603336Y (en) * | 2003-03-10 | 2004-02-11 | 北京亚都科技股份有限公司 | Electrostatic air purifier |
| CN202561901U (en) * | 2012-02-14 | 2012-11-28 | 苏州启山电器技术开发事务所(普通合伙) | Indoor air cleaning system |
| CN103100297A (en) * | 2011-11-15 | 2013-05-15 | 常州诺瑞格纳米科技有限公司 | Vehicle air filtration device |
| CN103566752A (en) * | 2012-07-31 | 2014-02-12 | 上海想乐平面设计有限公司 | Electrochemical gas purification device based on porous molded active carbon |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2763730Y (en) * | 2005-01-21 | 2006-03-08 | 袁胜发 | Blowing-fan free air renewal humidifier |
| US8017073B2 (en) * | 2008-11-28 | 2011-09-13 | Life Spring Limited Partnership | High intensity air purifier |
| CN202933608U (en) * | 2012-08-22 | 2013-05-15 | 沈阳工业大学 | Device for collecting formaldehyde in automotive cab |
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2014
- 2014-07-09 CN CN201410326133.8A patent/CN105311949B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2603336Y (en) * | 2003-03-10 | 2004-02-11 | 北京亚都科技股份有限公司 | Electrostatic air purifier |
| CN103100297A (en) * | 2011-11-15 | 2013-05-15 | 常州诺瑞格纳米科技有限公司 | Vehicle air filtration device |
| CN202561901U (en) * | 2012-02-14 | 2012-11-28 | 苏州启山电器技术开发事务所(普通合伙) | Indoor air cleaning system |
| CN103566752A (en) * | 2012-07-31 | 2014-02-12 | 上海想乐平面设计有限公司 | Electrochemical gas purification device based on porous molded active carbon |
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| CN105311949A (en) | 2016-02-10 |
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