Utility model content
Main purpose of the present utility model is to provide a kind of air cleaning unit, is intended to add by changeThe quantity of the catalyst unit of thermal modules heating completes purification under suitable purification power, thereby reduces energyConsumption, saves energy.
For achieving the above object, the air cleaning unit the utility model proposes, comprises catalytic module and addsThermal modules;
Described catalytic module comprises several catalyst units, and described catalyst unit comprises can catalysis after being heatedThe catalyst of decomposing volatile organic compound;
Described heating module is catalyst unit heating described at least one.
Preferably, described heating module comprises several heating units, a described heating unit correspondence oneIndividual described catalyst unit arranges, and thinks that this catalyst unit heats.
Preferably, described heating module comprises several heating units, two the above heating units pairAnswer a described catalyst unit to arrange, think that this catalyst unit heats.
Preferably, described catalyst unit also comprises carrier, and described catalyst is attached on described carrier and formsCatalyst layer; Described carrier is made by porous sorptive material.
Preferably, described catalytic module is vertical bar shaped structure, patty structure, helical structure, honeycombThe combination of one or more in shape structure, fin structure or corrugated structure.
Preferably, described heating unit is electrothermal heater, microwave applicator or electromagnetic heater.
Preferably, described heating unit is electrothermal heater, described electrothermal heater and described catalyst unitBetween be provided with heat-conducting unit.
Preferably, described air cleaning unit also comprises the controller for controlling described heating module work,Described controller and heating module are electrically connected.
Preferably, described air cleaning unit also comprises for the volatility at each catalyst unit place of sensing hasThe sensor of the content of organic compounds, described sensor and controller are electrically connected, described controller basisHeating module work described in the sensing signal control of described sensor.
The utility model also proposes a kind of air regulator, comprises air cleaning unit, described air cleaningDevice comprises catalytic module and heating module; Described catalytic module comprises several catalyst units, described in urgeChange unit comprise can catalytic decomposition VOC after being heated catalyst; Described heating moduleFor catalyst unit heating described at least one.
Technical solutions of the utility model are by being split into catalytic module several catalyst units, each catalysisThe content of the catalyst containing in unit is fewer than catalytic module, thereby each catalyst unit is heated to catalysis temperatureThe energy needing while spending is also less, and heating module can heat at least one catalyst unit, makesThis catalyst unit carries out catalysis work, the catalyst unit of the operating power of heating module and heating module heatingQuantity adapt, in the time that the concentration of volatile organic matter in indoor environment changes, can add by changeThe quantity of the catalyst unit of thermal modules heating completes purification, and then avoids out under suitable purification powerNow purify power and be far longer than the phenomenon that purification needs, thereby can reduce energy consumption, save energy.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, to the technology in the utility model embodimentScheme is clearly and completely described, and obviously, described embodiment is only of the present utility model onePart embodiment, instead of whole embodiment. Based on the embodiment in the utility model, this area is generalLogical technical staff, not making the every other embodiment obtaining under creative work prerequisite, belongs toThe scope of the utility model protection.
Need explanation, all directionality instruction in the utility model embodiment (such as upper and lower, left and right,Forward and backward ...) only for explaining the phase between the lower each parts of a certain particular pose (as shown in drawings)To position relationship, motion conditions etc., if when this particular pose changes, directionality is indicated alsoCorrespondingly change thereupon.
In addition, in the utility model, relate to the description of " first ", " second " etc. only for describing object,And can not be interpreted as instruction or imply its relative importance or the implicit number that indicates indicated technical charactericticAmount. Thus, the feature that is limited with " first ", " second " can be expressed or impliedly comprise at least oneIndividual this feature. In addition, the technical scheme between each embodiment can mutually combine, but must be withThose of ordinary skill in the art can be embodied as basis, when conflicting or nothing appears in the combination of technical schemeThe combination that will be understood that this technical scheme when method realizes does not exist, the guarantor who does not also require at the utility modelWithin protecting scope.
The utility model proposes a kind of air cleaning unit.
See figures.1.and.2, Fig. 1 is that the functional module of the utility model air cleaning unit one embodiment is shownIntention; Fig. 2 is the structural representation of the air cleaning unit shown in Fig. 1.
In the utility model embodiment, this air cleaning unit comprises catalytic module 100 and heating module200；
Catalytic module 100 comprises several catalyst units 101, and catalyst unit 101 comprises after being heated and can urgeChange the catalyst of decomposing volatile organic compound;
Heating module 200 heats at least one catalyst unit 101.
Technical solutions of the utility model are by catalytic module 100 being split into several catalyst units 101, everyThe content of the catalyst containing in individual catalyst unit 101 is fewer than catalytic module 100, thereby each catalysis listThe energy needing when unit 101 is heated to catalytic temperature is also less, and heating module 200 can be at least oneCatalyst unit 101 heats, and makes this catalyst unit 101 carry out catalysis work, heating module 200Operating power and the quantity of the catalyst unit 101 that heats of heating module 200 adapt, work as indoor environmentWhen the concentration of middle volatile organic matter changes, the catalyst unit that can heat by changing heating module 200101 quantity completes purification under suitable purification power, and then avoids occurring that purification power is far longer thanPurify the phenomenon needing, thereby can reduce energy consumption, save energy.
In order better each catalyst unit 101 to be heated, at an embodiment of the present utility modelIn, heating module 200 comprises the corresponding catalysis of 201, one heating units of several heating units 201Unit 101 arranges, and thinks that this catalyst unit 101 heats. Now, need to be to a catalysisWhen unit 101 heats, only need to open corresponding heating unit 201 and heat, therebyCan better control heating operation.
Heating unit 201 and catalyst unit 101 can not be also relations one to one, for example, and at thisIn another embodiment of utility model, heating module 200 comprises that 201, two of several heating units add aboveThe corresponding catalyst unit 101 of hot cell 201 arranges, and thinks that this catalyst unit 101 heats.Certain because each catalyst unit 101 reaches the needed energy of catalytic temperature, therefore this establishingPut mode and can not increase heating power, this setup can realize at least one catalyst unit 101The object heating, can make each catalyst unit 101 by arranging of heating unit 201 simultaneouslyHeating more even.
Preferably, catalyst unit 101 also comprises carrier, and catalyst is attached to and on carrier, forms catalyst layer.Carrier is for bearing catalyst, and carrier preferably has loose structure, and specific area is larger, therefore carrier withThe contact-making surface of catalyst is also corresponding larger, can form stable lamination layer structure, thus avoid catalyst withCarrier bonding catalyst that is not firm and that cause comes off, the problem of dry linting.
Catalyst comprises metal oxide composition, and metal oxide is catalytic decomposition VOCActive material, the concrete kind of metal oxide is not particularly limited, as long as can be used in thermocatalytic oxygenChange the VOCs such as airborne formaldehyde and benzene homologues; In realities more of the present utility modelExecute in example, preferably, metal oxide can be for being selected from Mn, Co, Ti, Ce, Cu, Fe, NAt least one in the compound of the oxide of oxide or Mn, Co, Ti, Ce, Cu, Fe, Ni;The efficiency of the catalytic oxidation of those metal oxides is higher, and can long term maintenance catalytic activity. Carrier is excellentChoosing is made by porous sorptive material, concrete, and this porous sorptive material can be porous ceramics, divideAt least one in son sieve (the many microporous crystals of alumino-silicate), hydroxyapatite, aluminium oxide, active carbon,Those materials all have loose structure, are conducive to increase the contact area of catalyst and carrier, have simultaneouslyAbsorption property, can be adsorbed onto airborne VOC on carrier, module 200 to be heatedWhen heating, decompose again.
For improving the effect of catalyst to indoor air purification, optionally deposit in catalyst layer surfaceNoble metal, the concrete kind of noble metal is not particularly limited, as long as can be effective to photochemical catalytic oxidation skyThe VOC such as formaldehyde and benzene homologues in gas. At embodiment more of the present utility modelIn, catalyst unit 101 also comprises the noble metal being deposited on catalyst layer, noble metal can be selected from Pt,At least one in Rh, Pd, Au and Ag. The efficiency of those precious metal catalyst oxidations is higher, and at 200 DEG CWhen operating temperature, can keep catalytic activity.
The shape of catalytic module 100 can be chosen as required, in enforcements more of the present utility modelIn example, preferably, catalytic module 100 is vertical bar shaped structure, patty structure, helical structure, honeybeeThe combination of one or more in nest shape structure, fin structure or corrugated structure; Catalytic module 100Jointly formed by several catalyst units 101, thereby can adjust position, the shape of catalyst unit 101With connected mode to realize the difformity of catalytic module 100. For example, when catalyst unit 101 joins end to endTime, catalytic module 100 is vertical bar shaped setting; When catalyst unit 101 is arranged along sphere, catalysis mouldPiece 100 structure spherical in shape; A catalyst unit 101 is as orthohexagonal limit, multiple catalyst units 101Jointly enclose while forming multiple regular hexagon with common edge, catalytic module 100 is alveolate texture and establishesPut. Further, preferred catalytic module 100 is alveolate texture, fin structure or corrugated knotStructure, now the voidage of catalytic module 100 is higher, can allow more Air Flow, and specific surfaceLong-pending higher, can improve the efficiency of purification.
The effect of heating unit 201 is for corresponding catalyst unit 101 heats, at the utility modelSome embodiment in, preferably, heating unit 201 is electrothermal heater, microwave applicator or electromagnetismHeater. Electrothermal heater is a kind of heater by resistance heating power; Microwave applicator is a kind ofRely on object to absorb microwave energy and convert thereof into heat energy, the heater that self entirety is heated up simultaneously; ElectricityMagnetic heater is a kind of device that utilizes electromagnetic induction principle electric energy conversion to be become to heat energy. Wherein, electric heating addsHot device is the most common, and the efficiency of heating surface of microwave applicator and electromagnetic heater electrothermal heater relative to speedGood, in actual production, can choose as required.
Refer to Fig. 2, in an embodiment of the present utility model, consider microwave applicator and Electromagnetic HeatingThe cost of device is higher, and preferably, heating unit 201 is electrothermal heater, several electric heater parallel connectionsConnect, for by resistance produce heat pass to corresponding catalyst unit 101, each electrothermal heater withBetween catalyst unit 101, be preferably provided with heat-conducting unit 300, heat-conducting unit 300 one end butt electrothermal heaters,Other end contact catalysis unit 101, to pass to catalyst unit 101, heat conduction by the heat of electrothermal heaterUnit 300 is made by the good metal material of heat-conducting effect conventionally, for example aluminium, aluminium alloy or copper. LogicalCross catalytic module 100 is divided into 101, one needed works of heating unit 201 of several catalyst unitsThe rate of doing work reduces, and in the present embodiment, the operating power of electrothermal heater is 10-200W, at this powerIn scope, can complete the heating to corresponding catalyst unit 101, concrete operating power can basisThe size of catalyst unit 101 is chosen, principle is that catalyst unit 101 is larger, electrothermal heaterOperating power is also larger.
Refer to Fig. 3, in another embodiment of the present utility model, catalytic module 100 is cellular setting,In order to reach better heating effect, heating unit 201 is microwave applicator, when microwave applicator heating,Carry out heat conduction without heat-conducting unit, the microwave (in figure, arrow represents microwave) of microwave applicator transmitting towardsCorresponding catalyst unit 101 is propagated, and can heat catalyst unit 101.
In order to control the work of air cleaning unit according to ambient conditions, preferably, airPurifier also comprises the controller (not shown) of working for controlling heating module 200, controller with addThermal modules 200 is electrically connected. By controller, heating module 200 is controlled, with for differentAmbient conditions arranges different mode of operations, for example: VOC concentration in indoor environmentWhen severe overweight, controller control heating module 200 heats most catalyst units 101 simultaneously, makes fewSeveral catalyst units 101 carry out catalysis work simultaneously, realize the object of fast purification indoor environment; In chamberWhen in interior environment, VOC concentration is lower, controller control heating module 200 heats minorityIndividual catalyst unit is also switched in other catalyst units of heating, to this minority catalysis list over timeThe pollutant of unit's 101 absorption decomposes, and makes this air cleaning unit keep low-power operation, realityOperation can be: heating module only heats first catalytic module, and after a period of time, it is right to stopThe heating of first catalytic module, then second catalytic module heated, after a period of time, stopThe only heating to second catalytic module, then the 3rd catalytic module heated, by that analogy,This air cleaning unit is according to this heating mode continuous firing.
For this air cleaning unit work of more intelligent control, this air cleaning unit can also compriseBe used for the sensor of the content of the VOC at each catalyst unit 101 place of sensing, described senseSurvey device and controller and be electrically connected, controller is according to sensing signal control heating module 200 works of sensorDo. For example, when the concentration of the VOC at a certain catalyst unit 101 places is higher, controller rootAccording to sensor to sensing signal control heating module 200 that should catalyst unit 101 to this catalyst unit101 heat, after heating a period of time, and these catalyst unit 101 place's volatile organics of sensor sensingCompound concentration is reduced to certain value, and controller stops this according to this sensing signal control heating module 200Catalyst unit 101 heats. By the setting of sensor, air cleaning unit can be according to indoor situation certainlyRow adjusting working mode, thus in ensureing clean-up effect, prevent the waste of energy.
The utility model also proposes a kind of air regulator, and this air regulator comprises air cleaning unit,The concrete structure of this air cleaning unit is with reference to above-described embodiment, because this air regulator has adopted above-mentionedWhole technical schemes of all embodiment, therefore at least have that the technical scheme of above-described embodiment bringsAll beneficial effects, this is no longer going to repeat them. Wherein, air regulator can be air purifier orPerson is air-conditioner.
These are only preferred embodiment of the present utility model, not thereby limit patent model of the present utility modelEnclose, every under inventive concept of the present utility model, utilize the utility model description and accompanying drawing content instituteThe equivalent structure transformation of doing, or directly/be indirectly used in other relevant technical fields to include in this practicalityIn novel scope of patent protection.