CN204830223U - Compound air purification degassing unit - Google Patents
Compound air purification degassing unit Download PDFInfo
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- CN204830223U CN204830223U CN201520560895.4U CN201520560895U CN204830223U CN 204830223 U CN204830223 U CN 204830223U CN 201520560895 U CN201520560895 U CN 201520560895U CN 204830223 U CN204830223 U CN 204830223U
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- sterilizing device
- filter layer
- air purifying
- composite air
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model provides a compound air purification degassing unit relates to the air purification device field, including both ends open -ended box, one end is the entrance point, and the other end is the exit end, follows the entrance point is directional the direction of exit end, be equipped with primary filter layer, dust removal filter layer, photochemistry filter layer, active carbon filter layer and anion layer in the box in proper order, the primary filter layer the dust removal filter layer the photochemistry filter layer the active carbon filter layer with the anion layer interval sets up the entrance point with between the exit end, be equipped with the pressure differential alarm on the box, the pressure differential alarm with the box in -connection. The utility model discloses a to multiple, the composite treatment of air, it is more accurate that the user knows compound air purification degassing unit's working condition, has improved the maintenance efficiency to compound air purification degassing unit, has reduced the maintenance cost to compound air purification degassing unit.
Description
Technical field
The utility model relates to field of air purification device, in particular to a kind of composite air purifying and sterilizing device.
Background technology
Air cleaning unit is also known as " air cleaner ", air cleaner, clarifier, refer to and can adsorb, decompose or transform various air pollutants (generally comprising the finishing pollution of PM2.5, dust, pollen, peculiar smell, formaldehyde and so on, bacterium, anaphylactogen etc.), the household appliances of effective raising air cleanliness, are mainly divided into family expenses, commercialization, industry, building.
There are multiple different technology and medium in air cleaning unit, enable it provide air that is clean and safety to user.Conventional air purifying process has: adsorption technology, negative (just) ion technology, catalysis technique, photocatalyst technology, superstructure light mineralising technology, HEPA high efficiency filter technology, electrostatic precipitation technology etc.
But, the air purification effect of existing air cleaning unit is low, purification mostly simultaneously is single purification, the purification of effective plurality of impurities and harmful substance can not be carried out, after using a period of time simultaneously, do not know when effectively clear up, cause the very few purification efficiency that causes of clearing times low, or cleaning overfrequency causes manual maintenance high cost.
Utility model content
In view of this, the utility model provides a kind of composite air purifying and sterilizing device, to improve the problems referred to above.
A kind of composite air purifying and sterilizing device that the utility model provides comprises the casing of both ends open, one end is entrance point, the other end is the port of export, the direction of the described port of export is pointed to along described entrance point, primary filter layer is provided with successively in described casing, dust removal and filtration layer, photochemistry filter course, activated carbon filter layer and anion layer, described primary filter layer, described dust removal and filtration layer, described photochemistry filter course, described activated carbon filter layer and described anion layer are disposed between described entrance point and the described port of export, described casing is provided with pressure reduction alarm, described pressure reduction alarm is connected with in described casing.
Above-described composite air purifying and sterilizing device, preferably, described primary filter layer is grid screen, and described dust removal and filtration layer is HEPA screen pack.The impurity entering casing can be filtered by grid screen, the meeting that grain diameter is greater than the mesh of grid screen is stopped by grid screen, then the HEPA screen pack through dust removal and filtration layer carries out secondary filter, HEPA (HighefficiencyparticulateairFilter), the Chinese meaning is high efficiency particle air filter, reach the screen pack of HEPA standard, 99.7% is reached for the efficient of 0.1 micron and 0.3 micron, the feature of HEPA net is that air can pass through, but tiny particulate cannot pass through.It can reach more than 99.97% to the particle removal efficiency that diameter is more than 0.3 micron (1/200 of hair diameter), is the most effective filtering mediums of pollutant such as smog, dust and bacterium.
Above-described composite air purifying and sterilizing device, preferably, described photochemistry filter course comprises photon tube and photocatalyst coating, and described photon tube is corresponding with described photocatalyst coating.Photocatalyst air purifying technology refers to that irradiating photocatalyst layer by nano-photon pipe produces the gas containing ion and free electron, the plasma produced and ion cluster become hydroxyl, free oxygen atom, superoxide ion and other oxysome oxygen with the molecular breakdown of water, these molecules are all extremely unstable, the objectionable impurities that can decompose in air becomes the compound of inertia, as carbon dioxide and water, thus reach the effect of purification.Purification bacteria-eliminating efficacy is good.
Above-described composite air purifying and sterilizing device, preferably, described activated carbon filter layer comprises Rose Box and active carbon filler, and described active carbon filler is filled out and is located in described Rose Box, and described active carbon filler is column filler or ball filler.Can arrive adsorption effect further to the toxic and harmful in air by active carbon filler, active carbon filler has good deodorizing effect simultaneously.
Above-described composite air purifying and sterilizing device, preferably, described composite air purifying and sterilizing device also comprises the work timer for recording composite air purifying and sterilizing device operating time, and described work timer is arranged on the outside of described casing.Work the timer record operating time of composite air purifying and sterilizing device, intuitively can be read out the working time of composite air purifying and sterilizing device accurately, can check the service life of composite air purifying and sterilizing device by work timer.
Above-described composite air purifying and sterilizing device, preferably, described composite air purifying and sterilizing device also comprises PM2.5 checkout gear and display unit, described PM2.5 checkout gear is separately positioned on described entrance point and the described port of export, described display unit is arranged on the outside of described casing, and described PM2.5 checkout gear is connected with described display unit respectively.PM2.5 checkout gear is utilized to collect the measured value of the PM2.5 of entrance point and the port of export respectively, then shown by display unit, the clean-up effect of the PM2.5 finding out composite air purifying and sterilizing device intuitively can be facilitated, be convenient to assess the service behaviour of composite air purifying and sterilizing device, when the clean-up effect of the PM2.5 of composite air purifying and sterilizing device reduces, need to check composite air purifying and sterilizing device or safeguard in time, keep the air purification efficiency of composite air purifying and sterilizing device.
Above-described composite air purifying and sterilizing device, preferably, described primary filter layer, described dust removal and filtration layer, described photochemistry filter course, described activated carbon filter layer and described anion layer all removably connect with described casing.Described primary filter layer, described dust removal and filtration layer, described photochemistry filter course, described activated carbon filter layer and described anion layer all adopt demountable structure, can realize regularly carrying out dismounting cleaning to described primary filter layer, described dust removal and filtration layer, described photochemistry filter course, described activated carbon filter layer and described anion layer, simultaneously after some damages, only need removable parts just can ensure the air purification efficiency of composite air purifying and sterilizing device, reduce the maintenance cost of composite air purifying and sterilizing device.
Above-described composite air purifying and sterilizing device, preferably, described casing is provided with opening, and described primary filter layer, described dust removal and filtration layer, described photochemistry filter course, described activated carbon filter layer and described anion layer are all plugged in described opening.Described primary filter layer, described dust removal and filtration layer, described photochemistry filter course, described activated carbon filter layer and described anion layer are plugged in opening, when needing dismounting and change, slide described primary filter layer, described dust removal and filtration layer, described photochemistry filter course, described activated carbon filter layer and described anion layer taken out in opening just can, simple and fast.
Above-described composite air purifying and sterilizing device, preferably, described opening is arranged on the roof of described casing, described primary filter layer, described dust removal and filtration layer, described photochemistry filter course, described activated carbon filter layer and described anion layer are equipped with outstanding grip part, and the overall size of described grip part is greater than the overall size of described opening.By at described primary filter layer, described dust removal and filtration layer, described photochemistry filter course, described activated carbon filter layer and described anion layer arrange grip part, the overall size of described grip part is greater than the overall size of described opening, when by described primary filter layer, described dust removal and filtration layer, described photochemistry filter course, described activated carbon filter layer and described anion layer are put in opening, grip part is stuck in opening part, like this to described primary filter layer, described dust removal and filtration layer, described photochemistry filter course, the taking-up of described activated carbon filter layer and described anion layer and put into convenient.
Above-described composite air purifying and sterilizing device; preferably; described composite air purifying and sterilizing device also comprises protection switch; described protection switch is snap switch; described snap switch is separately positioned on the inner side of described casing, and the position of described protection switch is relative with the position of described opening respectively.By arranging protection switch, protection switch is arranged on the relative position of opening, like this, when described primary filter layer, described dust removal and filtration layer, described photochemistry filter course, time described activated carbon filter layer and described anion layer are plugged in opening, described primary filter layer, described dust removal and filtration layer, described photochemistry filter course, described activated carbon filter layer and described anion layer are squeezed in the protection switch of opening relative position, protection switch is connected, make whole composite air purifying and sterilizing device also can carry out work, when described primary filter layer, described dust removal and filtration layer, described photochemistry filter course, after described activated carbon filter layer and described anion layer are extracted out from opening, protection switch is pressurized not, spring return, protection switch disconnects, composite air purifying and sterilizing device also quits work, composite air purifying and sterilizing device auto-breaking can be realized like this, effectively avoid carrying out in dismounting and maintenance process, composite air purifying and sterilizing device is still charged, thus avoid operator that Danger Electric shock risk occurs.
Relative to prior art, a kind of composite air purifying and sterilizing device that the utility model provides comprises following beneficial effect: the composite air purifying and sterilizing device that the utility model provides first utilizes primary filter layer to filter for the first time, filter out the particle that particle diameter is greater than primary filter layer mesh, then air carries out dust removal and filtration by dust removal and filtration layer, air is being purified through photocatalyst reaction by photochemistry filter course afterwards, air carries out the removal of pernicious gas and peculiar smell again through activated carbon filter layer, last air is through anion layer, air is excited to produce anion, improve the content of anion in air, reach the effect promoted health, compound is carried out by multiple filter, what achieve air is multiple, Combined Processing, the better effects if of air-treatment and purification, simultaneously, casing is also provided with pressure reduction alarm, pressure reduction alarm can be reported to the police after causing pressure differential to increase when the blocking of casing inner filtration, user is reminded to clean the filter element in casing in time or safeguard, avoid composite air purifying and sterilizing device and reduce air purification effect and efficiency because of blocking, user is not needed to safeguard at any time, it is more accurate that user understands the working condition of composite air purifying and sterilizing device, improve the maintenance efficiency to composite air purifying and sterilizing device, reduce the maintenance cost to composite air purifying and sterilizing device.
Accompanying drawing explanation
In order to clearer explanation the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the cross-sectional schematic of the composite air purifying and sterilizing device that the utility model first embodiment provides;
Fig. 2 is that the axle of the composite air purifying and sterilizing device that the utility model second embodiment provides measures intention;
Fig. 3 is the cross-sectional schematic of the casing of the composite air purifying and sterilizing device that Fig. 2 provides.
Wherein, the corresponding relation between Reference numeral and component names is as follows: primary filter layer 101, dust removal and filtration layer 102; photochemistry filter course 103, activated carbon filter layer 104, anion layer 105; casing 106, pressure reduction alarm 107, photon tube 108; photocatalyst coating 109, Rose Box 110, active carbon filler 111; work timer 112; PM2.5 checkout gear 113, display unit 114, protection switch 116.
Detailed description of the invention
There are multiple different technology and medium in air cleaning unit, enable it provide air that is clean and safety to user.Conventional air purifying process has: adsorption technology, negative (just) ion technology, catalysis technique, photocatalyst technology, superstructure light mineralising technology, HEPA high efficiency filter technology, electrostatic precipitation technology etc.
But, the air purification effect of existing air cleaning unit is low, purification mostly simultaneously is single purification, the purification of effective plurality of impurities and harmful substance can not be carried out, after using a period of time simultaneously, do not know when effectively clear up, cause the very few purification efficiency that causes of clearing times low, or cleaning overfrequency causes manual maintenance high cost.
The utility model provides a kind of composite air purifying and sterilizing device to improve the problems referred to above.
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
In the utility model, first, second, third, etc. are difference signal, are not limit.
Fig. 1 is the cross-sectional schematic of the composite air purifying and sterilizing device that the utility model first embodiment provides, as shown in Figure 1, the composite air purifying and sterilizing device that the utility model first embodiment provides comprises the casing 106 of both ends open, one end is entrance point, the other end is the port of export, the direction of the port of export is pointed to along entrance point, primary filter layer 101 is provided with successively in casing 106, dust removal and filtration layer 102, photochemistry filter course 103, activated carbon filter layer 104 and anion layer 105, primary filter layer 101, dust removal and filtration layer 102, photochemistry filter course 103, activated carbon filter layer 104 and anion layer 105 are disposed between entrance point and the port of export, casing 106 is provided with pressure reduction alarm 107, pressure reduction alarm 107 is connected with in casing 106.
The composite air purifying and sterilizing device that the utility model first embodiment provides first utilizes primary filter layer 101 to filter for the first time, filter out the particle that particle diameter is greater than primary filter layer 101 mesh, then air carries out dust removal and filtration by dust removal and filtration layer 102, air is being purified through photocatalyst reaction by photochemistry filter course 103 afterwards, air carries out the removal of pernicious gas and peculiar smell again through activated carbon filter layer 104, last air is through anion layer 105, air is excited to produce anion, improve the content of anion in air, reach the effect promoted health, compound is carried out by multiple filter, what achieve air is multiple, Combined Processing, the better effects if of air-treatment and purification.
Simultaneously, casing 106 is also provided with pressure reduction alarm 107, pressure reduction alarm 107 can be reported to the police after causing pressure differential to increase when the blocking of casing 106 inner filtration, user is reminded to clean the filter element in casing 106 in time or safeguard, avoid composite air purifying and sterilizing device and reduce air purification effect and efficiency because of blocking, user is not needed to safeguard at any time, it is more accurate that user understands the working condition of composite air purifying and sterilizing device, improve the maintenance efficiency to composite air purifying and sterilizing device, reduce the maintenance cost to composite air purifying and sterilizing device.
Pressure reduction alarm comprises pressure difference switch and alarm two parts composition, and pressure difference switch is communicated with in casing, and alarm is connected with pressure difference switch.Pressure difference switch is exactly generally speaking utilize the pressure reduction before and after casing filter element to send electric signal, when the pressure reduction of tank ends raises (or reduction) and exceedes controller setting value, sends signal to control alarm equipment alarm.
Fig. 2 is that the axle of the composite air purifying and sterilizing device that the utility model second embodiment provides measures intention; Fig. 3 is the cross-sectional schematic of the casing of the composite air purifying and sterilizing device that Fig. 2 provides.As Figure 2-3, the composite air purifying and sterilizing device that the utility model second embodiment provides is on the basis of the first embodiment, and further, primary filter layer 101 is grid screen, and dust removal and filtration layer 102 is HEPA screen pack.
Can be filtered the impurity entering casing 106 by grid screen, the meeting that grain diameter is greater than the mesh of grid screen is stopped by grid screen, and the HEPA screen pack then through dust removal and filtration layer 102 carries out secondary filter.
HEPA (HighefficiencyparticulateairFilter), the Chinese meaning is high efficiency particle air filter, reach the screen pack of HEPA standard, 99.7% is reached for the efficient of 0.1 micron and 0.3 micron, the feature of HEPA net is that air can pass through, but tiny particulate cannot pass through.It can reach more than 99.97% to the particle removal efficiency that diameter is more than 0.3 micron (1/200 of hair diameter), is the most effective filtering mediums of pollutant such as smog, dust and bacterium.
In the present embodiment, photochemistry filter course 103 comprises photon tube 108 and photocatalyst coating 109, and photon tube 108 is corresponding with photocatalyst coating 109.Photocatalyst air purifying technology refers to that irradiating photocatalyst layer by nano-photon pipe 108 produces the gas containing ion and free electron, the plasma produced and ion cluster become hydroxyl, free oxygen atom, superoxide ion and other oxysome oxygen with the molecular breakdown of water, these molecules are all extremely unstable, the objectionable impurities that can decompose in air becomes the compound of inertia, as carbon dioxide and water, thus reach the effect of purification.Purification bacteria-eliminating efficacy is good.
Further, activated carbon filter layer 104 comprises Rose Box 110 and active carbon filler 111, and active carbon filler 111 is filled out and is located in Rose Box 110, and active carbon filler 111 is column filler or ball filler.Can arrive adsorption effect further to the toxic and harmful in air by active carbon filler 111, active carbon filler 111 has good deodorizing effect simultaneously.
The composite air purifying and sterilizing device that the present embodiment provides also comprises the work timer 112 for recording composite air purifying and sterilizing device operating time, and work timer 112 is arranged on the outside of casing 106.Work timer 112 have recorded the operating time of composite air purifying and sterilizing device, intuitively can be read out the working time of composite air purifying and sterilizing device by work timer 112 accurately, the service life of composite air purifying and sterilizing device can be checked.
In order to easy to use, the present embodiment also comprises PM2.5 checkout gear 113 and display unit 114, PM2.5 checkout gear 113 is separately positioned on entrance point and the port of export, and display unit 114 is arranged on the outside of casing 106, and PM2.5 checkout gear 113 is connected with display unit 114 respectively.PM2.5 checkout gear 113 is utilized to collect the measured value of the PM2.5 of entrance point and the port of export respectively, then shown by display unit 114, the clean-up effect of the PM2.5 finding out composite air purifying and sterilizing device intuitively can be facilitated, be convenient to assess the service behaviour of composite air purifying and sterilizing device, when the clean-up effect of the PM2.5 of composite air purifying and sterilizing device reduces, need to check composite air purifying and sterilizing device or safeguard in time, keep the air purification efficiency of composite air purifying and sterilizing device.
Primary filter layer 101, dust removal and filtration layer 102, photochemistry filter course 103, activated carbon filter layer 104 and anion layer 105 all removably connect with casing 106.Primary filter layer 101, dust removal and filtration layer 102, photochemistry filter course 103, activated carbon filter layer 104 and anion layer 105 all adopt demountable structure, can realize regularly carrying out dismounting cleaning to primary filter layer 101, dust removal and filtration layer 102, photochemistry filter course 103, activated carbon filter layer 104 and anion layer 105, simultaneously after some damages, only need removable parts just can ensure the air purification efficiency of composite air purifying and sterilizing device, reduce the maintenance cost of composite air purifying and sterilizing device.
Casing 106 is provided with opening, primary filter layer 101, dust removal and filtration layer 102, photochemistry filter course 103, activated carbon filter layer 104 and anion layer 105 are plugged in opening, when needing dismounting and change, slide primary filter layer 101, dust removal and filtration layer 102, photochemistry filter course 103, activated carbon filter layer 104 and anion layer 105 taken out in opening just can, simple and fast.And opening is arranged on the roof of casing 106, primary filter layer 101, dust removal and filtration layer 102, photochemistry filter course 103, activated carbon filter layer 104 and anion layer 105 are equipped with outstanding grip part, and the overall size of grip part is greater than the overall size of opening.By arranging grip part at primary filter layer 101, dust removal and filtration layer 102, photochemistry filter course 103, activated carbon filter layer 104 and anion layer 105, the overall size of grip part is greater than the overall size of opening, when primary filter layer 101, dust removal and filtration layer 102, photochemistry filter course 103, activated carbon filter layer 104 and anion layer 105 are put in opening, grip part is stuck in opening part, like this to the taking-up of primary filter layer 101, dust removal and filtration layer 102, photochemistry filter course 103, activated carbon filter layer 104 and anion layer 105 with put into convenient.
Also comprise protection switch 116 in the present embodiment, protection switch 116 is snap switch, and snap switch is separately positioned on the inner side of casing 106, and the position of protection switch 116 is relative with the position of opening respectively.
By arranging protection switch 116, protection switch 116 is arranged on the relative position of opening, like this, when elementary filter course 101, dust removal and filtration layer 102, photochemistry filter course 103, time activated carbon filter layer 104 and anion layer 105 are plugged in opening, primary filter layer 101, dust removal and filtration layer 102, photochemistry filter course 103, activated carbon filter layer 104 and anion layer 105 are squeezed in the protection switch 116 of opening relative position, protection switch 116 is connected, make whole composite air purifying and sterilizing device also can carry out work, when elementary filter course 101, dust removal and filtration layer 102, photochemistry filter course 103, after activated carbon filter layer 104 and described anion layer 105 are extracted out from opening, protection switch 116 not pressurized, spring return, protection switch 116 disconnects, composite air purifying and sterilizing device also quits work, composite air purifying and sterilizing device auto-breaking can be realized like this, effectively avoid carrying out in dismounting and maintenance process, composite air purifying and sterilizing device is still charged, thus avoid operator that Danger Electric shock risk occurs, the security of composite air purifying and sterilizing device is higher.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a composite air purifying and sterilizing device, it is characterized in that, comprise the casing of both ends open, one end is entrance point, the other end is the port of export, the direction of the described port of export is pointed to along described entrance point, primary filter layer is provided with successively in described casing, dust removal and filtration layer, photochemistry filter course, activated carbon filter layer and anion layer, described primary filter layer, described dust removal and filtration layer, described photochemistry filter course, described activated carbon filter layer and described anion layer are disposed between described entrance point and the described port of export, described casing is provided with pressure reduction alarm, described pressure reduction alarm is connected with in described casing.
2. composite air purifying and sterilizing device according to claim 1, is characterized in that, described primary filter layer is grid screen, and described dust removal and filtration layer is HEPA screen pack.
3. composite air purifying and sterilizing device according to claim 1 and 2, is characterized in that, described photochemistry filter course comprises photon tube and photocatalyst coating, and described photon tube is corresponding with described photocatalyst coating.
4. composite air purifying and sterilizing device according to claim 1 and 2, it is characterized in that, described activated carbon filter layer comprises Rose Box and active carbon filler, and described active carbon filler is filled out and is located in described Rose Box, and described active carbon filler is column filler or ball filler.
5. composite air purifying and sterilizing device according to claim 1, it is characterized in that, described composite air purifying and sterilizing device also comprises the work timer for recording composite air purifying and sterilizing device operating time, and described work timer is arranged on the outside of described casing.
6. composite air purifying and sterilizing device according to claim 1, it is characterized in that, described composite air purifying and sterilizing device also comprises PM2.5 checkout gear and display unit, described PM2.5 checkout gear is separately positioned on described entrance point and the described port of export, described display unit is arranged on the outside of described casing, and described PM2.5 checkout gear is connected with described display unit respectively.
7. composite air purifying and sterilizing device according to claim 1, is characterized in that, described primary filter layer, described dust removal and filtration layer, described photochemistry filter course, described activated carbon filter layer and described anion layer all removably connect with described casing.
8. composite air purifying and sterilizing device according to claim 7, it is characterized in that, described casing is provided with opening, and described primary filter layer, described dust removal and filtration layer, described photochemistry filter course, described activated carbon filter layer and described anion layer are all plugged in described opening.
9. composite air purifying and sterilizing device according to claim 8, it is characterized in that, described opening is arranged on the roof of described casing, described primary filter layer, described dust removal and filtration layer, described photochemistry filter course, described activated carbon filter layer and described anion layer are equipped with outstanding grip part, and the overall size of described grip part is greater than the overall size of described opening.
10. composite air purifying and sterilizing device according to claim 8; it is characterized in that; described composite air purifying and sterilizing device also comprises protection switch; described protection switch is snap switch; described snap switch is separately positioned on the inner side of described casing, and the position of described protection switch is relative with the position of described opening respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520560895.4U CN204830223U (en) | 2015-07-30 | 2015-07-30 | Compound air purification degassing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520560895.4U CN204830223U (en) | 2015-07-30 | 2015-07-30 | Compound air purification degassing unit |
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| Publication Number | Publication Date |
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| CN204830223U true CN204830223U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520560895.4U Expired - Fee Related CN204830223U (en) | 2015-07-30 | 2015-07-30 | Compound air purification degassing unit |
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| CN (1) | CN204830223U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109028378A (en) * | 2018-07-17 | 2018-12-18 | 广东美的制冷设备有限公司 | Air cleaning unit and air conditioner |
| CN109469444A (en) * | 2017-09-07 | 2019-03-15 | 河南海威路桥工程咨询有限公司 | The multi-functional trolley of haze drops in the quick-fried dedusting of removable brill for tunneling |
-
2015
- 2015-07-30 CN CN201520560895.4U patent/CN204830223U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469444A (en) * | 2017-09-07 | 2019-03-15 | 河南海威路桥工程咨询有限公司 | The multi-functional trolley of haze drops in the quick-fried dedusting of removable brill for tunneling |
| CN109028378A (en) * | 2018-07-17 | 2018-12-18 | 广东美的制冷设备有限公司 | Air cleaning unit and air conditioner |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20151202 Termination date: 20170730 |