CN205156173U - Indoor new trend clearing machine - Google Patents
Indoor new trend clearing machine Download PDFInfo
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- CN205156173U CN205156173U CN201520926529.6U CN201520926529U CN205156173U CN 205156173 U CN205156173 U CN 205156173U CN 201520926529 U CN201520926529 U CN 201520926529U CN 205156173 U CN205156173 U CN 205156173U
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Abstract
The utility model provides an indoor new trend clearing machine, the clearing machine includes the casing, inside first wind path of mutually independent and the second wind path of forming of casing, first wind path and second wind path are both ends open -ended cavity, it purifies module, first blast gate, return air purification module and a power pack to be provided with the new trend in the first wind path, be provided with the 2nd power pack and second blast gate in the second wind path, the second blast gate is located the upper portion of first blast gate, return air purifies the module and is used for purifying the gas that comes from the second blast gate, first wind path passes through second blast gate intercommunication with the second wind path, outdoor return air air outlet department installs the check valve. Indoor new trend clearing machine is fit for cabinet type installation, and structural design is ingenious, has new trend, return air purification and hot switching function, and the life cycle is long, and the energy consumption is low, and antibiotic effect is lasting, can guarantee the cleanliness factor of room air.
Description
Technical field
The utility model belongs to air cleaning facility technical field, particularly relates to a kind of New indoor wind purification device.
Background technology
Along with interior decoration is more and more general, finishing material has become the pollution sources of harmful to human in the relatively airtight interior space, forms room air pollution, causes very important impact to the Jiankang of the mankind.Therefore, room air pollution is classified as one of ten large factors affecting human health by the World Health Organization (WHO).
In order to improve IAQ, market also there is various air purifier, but in result of use and all unsatisfactory on service life.And under many circumstances, while the purification of air of indoor confined space relatively, also need to introduce outdoor fresh air, and outdoor haze, atmosphere pollution etc. produce foul atmosphere and enter indoor IAQ also can be caused to decline.Therefore, indoor fresh air cleaning system receives people and pays close attention to more and more widely in recent years.Most of New indoor wind purification device is taked to take foul indoor air away, and introduce the outdoor fresh air after purification, to realize the improvement of IAQ, this inevitably brings the loss of indoor heat.CN104949219A discloses the good air cleaning system of a kind of clean-up effect, comprise indoor set, the casing of indoor set is respectively equipped with room air and absorbs mouth, room air outlet, outdoor air absorbs mouth and outdoor air outlet, the inside of casing is provided with the second stream that the first flow path of absorption of air mouth and room air outlet in communication chamber and communication chamber outer air absorb mouth and outdoor air outlet, first flow path and the second stream mutually isolated, first flow path and the second stream are also respectively equipped with the wherein a part of filter element of this stream of formation, filter element adopts porous metal film to be filter element, this air cleaning system also comprises and drives room air to absorb mouth, first flow path and room air outlet through room air successively to enter the second indoor power unit discharged to the first power unit of outdoor and drive chamber's outer air.But it is only suitable for the air intake of outdoor is indoor and the air of indoor is discharged to outdoor, only can not carry out the purification of room air.In addition, current fresh air purifier mainly adopts ceiling mounting type to install, this mounting means is comparatively complicated, installation difficulty is also higher, and is not suitable for this kind of mounting means in some place.A kind of cabinet type New indoor wind purification device is provided for solving the problems of the technologies described above the utility model.
Utility model content
For prior art Problems existing, the purpose of this utility model is to provide a kind of New indoor wind purification device, the outdoor air that described New indoor wind purification device can not only will purify to indoor introducing, the air of foul indoor is taken away, can also purify the air of a room separately, and described New indoor wind purification device structural design is compact, easy for installation, durable antibacterial effect, ensure that the cleanliness factor of air.
For reaching this object, the utility model by the following technical solutions:
A kind of New indoor wind purification device, described clearing machine comprises housing, described housing is provided with indoor fresh air air outlet, indoor return air air inlet, outdoor new wind air inlet and outdoor return air outlet, described enclosure interior is provided with the first wind path being communicated with described outdoor new wind air inlet and described indoor fresh air air outlet, described enclosure interior is also provided with the second wind path being communicated with described indoor return air air inlet and outdoor return air outlet, described first wind path and the second wind path are separate cavity, fresh air purifying module and the first power unit is provided with in described first wind path, the second power unit is provided with in described second wind path, return air cleaning module and the first air-valve is also provided with in described first wind path, the second air-valve is provided with in described second wind path, described second air-valve is positioned at the top of the first air-valve, described return air cleaning module is for purifying the gas from the second air-valve, described first wind path is communicated with by the second air-valve with the second wind path, and described outdoor return air outlet place is provided with check valve.
Also be provided with the heat exchange module carrying out exchange heat for the first wind path and the second wind path in described housing, described heat exchange module is arranged between described first wind path and the second wind path.
Described inner walls is provided with electric-controlled box and display control panel, described electric-controlled box is connected with the second power unit with display control panel, the first air-valve, the second air-valve, the first power unit.
Described second wind path is provided with CO near indoor return air air inlet
2sensor and PM2.5 sensor, described CO
2sensor is all connected with electric-controlled box with PM2.5 sensor.
Described indoor fresh air air outlet and indoor return air air inlet are arranged on described housing upper end, and described outdoor new wind air inlet and outdoor return air outlet are arranged at the bottom of described housing.
Described fresh air purifying module comprises low efficient filter, high efficiency particulate air filter and sorbing material layer, the screen pack of described low efficient filter and high efficiency particulate air filter applies antibacterial and mouldproof material, the inwall seamless link of described fresh air purifying module and described housing.
Described return air cleaning module comprises high efficiency particulate air filter, purifying formaldehyde device, VOCs clarifier, sterilization material layer and sorbing material layer, the inwall seamless link of described return air cleaning module and described housing.
Described first power unit and the second power unit are blower fan, and the wind wheel of described blower fan is tubular wine wheel, centrifugal wind wheel, axial-flow windwheel or BI wind wheel.
Described clearing machine is cabinet-type.
Compared with prior art, the beneficial effects of the utility model are:
(1) the utility model passes through two kinds of air purification mode of the outdoor fresh air purifying of Electric air valve control realization and indoor return air purification.Fresh air purifying module installation has low efficient filter, high efficiency particulate air filter and sorbing material, and staged filters the service life that effectively also can ensure filter while the harmful substance such as filtering PM2.5, its PM2.5 filter efficiency >=99%.Return air cleaning module may be higher for the formaldehyde of indoor closed environment, VOCs and bacterium equal size, is disposed with high efficiency particulate air filter, purifying formaldehyde device, VOCs clarifier, sterilization material and sorbing material, to meet the purification requirement to room air.
(2) New indoor wind purification device described in the utility model adopts cabinet type installation, and outdoor new wind air inlet and outdoor air draft air outlet are arranged on the lower end at the device case back side, adherent easy for installation, installs consumptive material less.
(3) New indoor wind purification device described in the utility model is provided with heat exchange module, the foul atmosphere of discharging indoor carries out heat exchange by heat exchange module and the outdoor air that new wind air inlet enters outdoor, thus effective preservation indoor heat and temperature, prevent heat energy from too much losing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cabinet type New indoor wind purification device that embodiment 1 provides;
Fig. 2 is the side view of the cabinet type New indoor wind purification device that embodiment 1 provides;
Fig. 3 is the structural representation of the heat exchange module that embodiment 1 provides;
Wherein, 1-indoor return air air inlet, 2-fresh air purifying module, 3-heat exchange module, 4-housing, 5-electric-controlled box, 6-first air-valve, 7-PM2.5 sensor, 8-second air-valve, 9-return air cleaning module, 10-CO
2sensor, the new wind blower fan of 11-, 12-exhaust fan, the outdoor new wind air inlet of 13-, 14-outdoor return air outlet, 15-indoor fresh air air outlet, 16-display control panel.
Detailed description of the invention
In order to deepen, to understanding of the present utility model and understanding, below in conjunction with the drawings and specific embodiments, to illustrate the utility model further.
The utility model provides a kind of New indoor wind purification device, described clearing machine comprises housing 4, described housing 4 is provided with indoor fresh air air outlet 15, indoor return air air inlet 1, outdoor new wind air inlet 13 and outdoor return air outlet 14, described housing 4 inside is provided with the first wind path being communicated with described outdoor new wind air inlet 13 and described indoor fresh air air outlet 15, described housing 4 inside is also provided with the second wind path being communicated with described indoor return air air inlet 1 and outdoor return air outlet 14, described first wind path and the second wind path are separate cavity, fresh air purifying module 2 and the first power unit is provided with in described first wind path, the second power unit is provided with in described second wind path, return air cleaning module 9 and the first air-valve 6 is also provided with in described first wind path, the second air-valve 8 is provided with in described second wind path, described second air-valve 8 is positioned at the top of the first air-valve 6, described return air cleaning module 9 is for purifying the gas from the second air-valve 8, described first wind path is communicated with by the second air-valve 8 with the second wind path, and described outdoor return air outlet 14 place is provided with check valve.
When described outdoor return air outlet 14 Exhaust Gas, described check valve is open circuit; When described outdoor return air outlet 14 suction gas, described check valve is closed circuit.
The New indoor wind purification device that the utility model provides not only can by the fresh air of outdoor after purification in suction chamber by control first air-valve, the second air-valve and check valve, room air is discharged to outdoor simultaneously, circularly purifying can also be carried out to room air.
Utilize cabinet type New indoor wind purification device as above to carry out purification of air and have two kinds of mode of operations: outdoor new wind pattern and indoor return air pattern.
The running of the new wind pattern in described outdoor is:
First air-valve 6 is opened, close the second air-valve 8 simultaneously, outdoor air enters in housing through outdoor new wind air inlet 13, then successively through fresh air purifying module 2 and the first air-valve 6, the air after purification heat exchange by new wind blower fan 11 indoor new wind air outlet 15 enter indoor; The foul atmosphere of simultaneously being discharged by indoor indoor return air air inlet 1 enters in housing 4, by exhaust fan 12 outdoor air draft air outlet 14 be discharged to outdoor.
The running of described indoor return air pattern is:
Second air-valve 8 is opened, first air-valve 6 cuts out simultaneously, air return air air inlet 1 access to plant indoor of indoor circulation, then successively through the second air-valve 8 and return air cleaning module 9, the air after purification filtering by new wind blower fan 11 indoor new wind air outlet 15 enter indoor.
As preferred technical scheme, be also provided with the heat exchange module 3 carrying out exchange heat for the first wind path and the second wind path in described housing 4, described heat exchange module 3 is arranged between described first wind path and the second wind path.The inwall seamless link of described heat exchange module 3 and described housing 4, and can realize gas in the first wind path and the second wind path through, gas in gas in first wind path and the second wind path realizes exchange heat in heat exchange module 3, described heat exchange module 3 effectively can preserve indoor heat, prevents heat-energy losses too much.
Described housing 4 inwall is provided with electric-controlled box 5 and display control panel 16, and described electric-controlled box 5 is connected with the second power unit with display control panel 16, first air-valve 6, second air-valve 8 first power unit.Described electric-controlled box 5 is information processing and control centre, is integrated with single-chip microcomputer process chip.Described first air-valve 6 and the second air-valve 8 are preferably Electric air valve, control it open and close by electric-controlled box 5.Described display control panel 16 comprises display screen, and described display screen is provided with function button, described function button, convenient manipulation, and can clearly illustrate the running status of described clearing machine.
Described second wind path is provided with CO near indoor return air air inlet 1 place
2sensor 10 and PM2.5 sensor 6, described CO
2sensor 10 is all connected with electric-controlled box 5 with PM2.5 sensor 6.Described CO
2sensor 10 and PM2.5 sensor 6 can the PM2.5 value of Real-Time Monitoring room air and CO
2concentration, its value transmit of monitoring to electric-controlled box 5, and then is shown by display control panel 16, and person easy to use selects different clearing machine mode of operations.
Described indoor fresh air air outlet 15 and indoor return air air inlet 1 are arranged on described housing 4 upper end, and described outdoor new wind air inlet 13 and outdoor return air outlet 14 are arranged at the bottom of described housing 4.The new wind air inlet 13 of described indoor fresh air air outlet 15 and outdoor can be arranged on the side of housing, also the both sides of housing can be arranged on, preferably be arranged on the both sides of housing, described indoor return air air inlet 1 and outdoor return air outlet 14 can be arranged on the side of housing, also can be arranged on the both sides of housing, preferably be arranged on the both sides of housing.
Described fresh air purifying module 2 comprises low efficient filter, high efficiency particulate air filter and sorbing material layer, the screen pack of described low efficient filter and high efficiency particulate air filter applies antibacterial and mouldproof material, the inwall seamless link of described fresh air purifying module 2 and described housing 4.Described fresh air purifying module 2 is arranged on the first wind path, can realize the penetrating of new wind and pass.Described sorbing material layer is made by sorbing material of the prior art, and those skilled in the art can select different sorbing materials according to actual needs.Antibacterial and mouldproof material in described fresh air purifying module 2 can make bacterium or mould loss of activity, and mildew-resistant grade is high, zero secondary pollution, and area of filter net is large, and the replacement cycle is long, and air flow method is even, can make PM2.5 filter efficiency >=99%.
Described return air cleaning module 9 comprises high efficiency particulate air filter, purifying formaldehyde device, VOCs clarifier, sterilization material layer and sorbing material layer, the inwall seamless link of described return air cleaning module 9 and described housing 4.Described return air cleaning module 9 is arranged on the second wind path, can realize the penetrating of return air and pass.Described sterilization material layer and sorbing material layer are made by sterilization material of the prior art and sorbing material and obtain, those skilled in the art can select different sterilization materials and sorbing material according to actual needs, as sterilization material selects uviol lamp or ozone etc., sorbing material selects NACF, aluminum oxide film or molecular sieve etc.Formaldehyde in air content after return air cleaning module 9 purifies is lower than 0.08mg/m
3, PM2.5 filter efficiency is 99.8%.
Described first power unit and the second power unit are blower fan, and the wind wheel of described blower fan is tubular wine wheel, centrifugal wind wheel, axial-flow windwheel or BI wind wheel.The material of described blower fan wind wheel is metal material or plastic cement material.
Described clearing machine is cabinet-type.Adherent easy for installation, consumptive material is installed less.
Embodiment 1
Fig. 1 and Fig. 2 is respectively structural representation and the side view of cabinet type New indoor wind purification device.Described cabinet type New indoor wind purification device comprises housing 4, and described housing 4 inside is divided into upper and lower two parts by heat exchange module 3, and described heat exchange module contacts with the interior wall seamless of housing 4; The upper part of described housing 4 is divided into two chambers in left and right by dividing plate: the first from left chamber and a right chamber, the upper end of the first from left chamber and a right chamber is respectively equipped with indoor return air air inlet 1 and indoor fresh air air outlet 15, and the dividing plate of described the first from left chamber is provided with the second air-valve 8, PM2.5 sensor 7 and CO
2sensor 10, described second air-valve 8 is Electric air valve, return air cleaning module 9 and new wind blower fan 11 is provided with in a described right chamber, described return air cleaning module 9 is arranged near the second air-valve 8, described new wind blower fan 11 is connected with new wind air outlet 15 by spiral case, is also provided with the first air-valve 6 in a described right chamber; The bottom of described housing 4 is divided into two independently chambers: the second from left chamber and right two chambers, described outdoor new wind air inlet 13 is arranged at described the second from left chamber, described outdoor return air outlet 14 is positioned at right two chambers, fresh air purifying module 2 is installed in the second from left chamber, right two chambers are provided with exhaust fan 12, exhaust fan 12 is connected with air draft air outlet 14 by spiral case, and described outdoor return air outlet (14) place is provided with check valve; Described heat exchange module 3 is multiple pipe, described multiple pipe cross arrangement, and a part for described pipe can be communicated with the second from left chamber and a right chamber, and remaining pipe is communicated with the first from left chamber and right two chambers; The inwall of described housing 4 is also provided with electric-controlled box 5, described electric-controlled box 5 is connected with the first air-valve 6, second air-valve 8, PM2.5 sensor 7 and CO
2sensor 10 is connected, and described housing 4 is also provided with display control panel 16, and described display control panel 16 is connected with electric-controlled box 5, and the display screen of described display control panel 16 is provided with function button.
Described fresh air purifying module 2 comprises low efficient filter, high efficiency particulate air filter and sorbing material layer, the inwall seamless link of described fresh air purifying module 2 and housing 4.
Described return air cleaning module 9 comprises high efficiency particulate air filter, purifying formaldehyde device, VOCs clarifier, sterilization material layer and sorbing material layer, the inwall seamless link of described return air cleaning module 9 and housing 4.
The structure of described heat exchange module 3 as shown in Figure 3, two heat exchanger channels are provided with in described heat exchange module 3, open via heat transfer channels separated between described two heat exchanger channels, heat exchanger channels forms the part in the first wind path, and another heat exchanger channels forms the part in the second stream.
Utilize cabinet type New indoor wind purification device as above to carry out purification of air and have two kinds of mode of operations: be respectively outdoor new wind pattern and indoor return air pattern.
The running of the new wind pattern in described outdoor is:
First air-valve 6 is opened, close the second air-valve 8 simultaneously, outdoor air enters in housing through outdoor new wind air inlet 13, then successively through fresh air purifying module 2, heat exchange module 3 and the first air-valve 6, the air after purification heat exchange by new wind blower fan 11 indoor new wind air outlet 15 enter indoor; The foul atmosphere of simultaneously being discharged by indoor indoor return air air inlet 1 enters in housing 4, after carrying out heat exchange by heat exchange module 3 and the outdoor air that new wind air inlet 13 enters outdoor, by exhaust fan 12 outdoor air draft air outlet 14 be discharged to outdoor.
Through purification laggard enter PM2.5 filter efficiency of room air be 99.8%.
The running of described indoor return air pattern is:
Opened by second air-valve 8, closed by the first air-valve 6 simultaneously, air return air air inlet 1 access to plant indoor of indoor circulation, then successively through the second air-valve 8, CO
2sensor 10, PM2.5 sensor 6 and return air cleaning module 9, the air after purification filtering by new wind blower fan 11 indoor new wind air outlet 15 enter indoor.
Formaldehyde in air content after purification is lower than 0.08mg/m
3, PM2.5 filter efficiency is 99.8%.
Described cabinet type New indoor wind purification device adopts cabinet type installation, efficiently solve the inconvenient furred ceilings such as part floor height is lower, indoor partition is unstable or the problem that wall built-up mode is installed, outdoor new wind air inlet and outdoor air draft air outlet are arranged on the lower end at the device case back side, adherent easy for installation, consumptive material is installed less.
Two kinds of air purification mode of the outdoor fresh air purifying of air-valve control realization and indoor return air purification are passed through in the utility model.Fresh air purifying module comprises low efficient filter, high efficiency particulate air filter and sorbing material layer, and staged filters the service life that effectively also can ensure filter while the harmful substance such as filtering PM2.5, its PM2.5 filter efficiency >=99%; Return air cleaning module may be higher for the formaldehyde of indoor closed environment, VOCs and bacterium equal size, is disposed with high efficiency particulate air filter, purifying formaldehyde device, VOCs clarifier, sterilization material layer and sorbing material layer, to meet the purification requirement to room air.
The foul atmosphere of being discharged by indoor in the utility model carries out heat exchange by heat exchange module 3 and the outdoor air that new wind air inlet 13 enters outdoor, thus effective preservation indoor heat and temperature, prevent heat energy from too much losing.
Applicant states; the foregoing is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; person of ordinary skill in the field should understand; anyly belong to those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all drop within protection domain of the present utility model and open scope.
Claims (9)
1. a New indoor wind purification device, described clearing machine comprises housing (4), described housing (4) is provided with indoor fresh air air outlet (15), indoor return air air inlet (1), outdoor new wind air inlet (13) and outdoor return air outlet (14), described housing (4) inside is provided with the first wind path being communicated with described outdoor new wind air inlet (13) and described indoor fresh air air outlet (15), described housing (4) inside is also provided with the second wind path being communicated with described indoor return air air inlet (1) and outdoor return air outlet (14), described first wind path and the second wind path are separate cavity, fresh air purifying module (2) and the first power unit is provided with in described first wind path, the second power unit is provided with in described second wind path, it is characterized in that, return air cleaning module (9) and the first air-valve (6) is also provided with in described first wind path, the second air-valve (8) is provided with in described second wind path, described second air-valve (8) is positioned at the top of the first air-valve (6), described return air cleaning module (9) is for the gas of purification from the second air-valve (8), described first wind path is communicated with by the second air-valve (8) with the second wind path, described outdoor return air outlet (14) place is provided with check valve.
2. clearing machine according to claim 1, it is characterized in that, also be provided with the heat exchange module (3) carrying out exchange heat for the first wind path and the second wind path in described housing (4), described heat exchange module (3) is arranged between described first wind path and the second wind path.
3. clearing machine according to claim 1 and 2, it is characterized in that, described housing (4) inwall is provided with electric-controlled box (5) and display control panel (16), described electric-controlled box (5) is connected with the second power unit with display control panel (16), the first air-valve (6), the second air-valve (8), the first power unit.
4. clearing machine according to claim 3, is characterized in that, described second wind path is provided with CO near indoor return air air inlet (1) place
2sensor (10) and PM2.5 sensor (6), described CO
2sensor (10) is all connected with electric-controlled box (5) with PM2.5 sensor (6).
5. clearing machine according to claim 1 and 2, it is characterized in that, described indoor fresh air air outlet (15) and indoor return air air inlet (1) are arranged on described housing (4) upper end, and described outdoor new wind air inlet (13) and outdoor return air outlet (14) are arranged at the bottom of described housing (4).
6. clearing machine according to claim 1 and 2, it is characterized in that, described fresh air purifying module (2) comprises low efficient filter, high efficiency particulate air filter and sorbing material layer, the screen pack of described low efficient filter and high efficiency particulate air filter applies antibacterial and mouldproof material, the inwall seamless link of described fresh air purifying module (2) and described housing (4).
7. clearing machine according to claim 1 and 2, it is characterized in that, described return air cleaning module (9) comprises high efficiency particulate air filter, purifying formaldehyde device, VOCs clarifier, sterilization material layer and sorbing material layer, the inwall seamless link of described return air cleaning module (9) and described housing (4).
8. clearing machine according to claim 1 and 2, is characterized in that, described first power unit and the second power unit are blower fan, and the wind wheel of described blower fan is tubular wine wheel, centrifugal wind wheel, axial-flow windwheel or BI wind wheel.
9. clearing machine according to claim 1 and 2, is characterized in that, described clearing machine is cabinet-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520926529.6U CN205156173U (en) | 2015-11-19 | 2015-11-19 | Indoor new trend clearing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520926529.6U CN205156173U (en) | 2015-11-19 | 2015-11-19 | Indoor new trend clearing machine |
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| Publication Number | Publication Date |
|---|---|
| CN205156173U true CN205156173U (en) | 2016-04-13 |
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ID=55691860
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520926529.6U Active CN205156173U (en) | 2015-11-19 | 2015-11-19 | Indoor new trend clearing machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123134A (en) * | 2016-07-04 | 2016-11-16 | 定远亿利净化有限公司 | A kind of energy-efficient new blower fan for cold district and method of work thereof |
| CN107192054A (en) * | 2017-07-21 | 2017-09-22 | 河北季节鲜风环保设备科技有限公司 | A kind of new type superthin ceiling type Total heat exchange fresh air purification device |
| CN107314493A (en) * | 2017-07-27 | 2017-11-03 | 天津市第五季环境科技有限公司 | Have the new blower fan of wall hanging of indoor purifying function concurrently |
-
2015
- 2015-11-19 CN CN201520926529.6U patent/CN205156173U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123134A (en) * | 2016-07-04 | 2016-11-16 | 定远亿利净化有限公司 | A kind of energy-efficient new blower fan for cold district and method of work thereof |
| CN106123134B (en) * | 2016-07-04 | 2019-10-18 | 定远亿利净化有限公司 | A kind of energy-efficient new blower and its working method for cold district |
| CN107192054A (en) * | 2017-07-21 | 2017-09-22 | 河北季节鲜风环保设备科技有限公司 | A kind of new type superthin ceiling type Total heat exchange fresh air purification device |
| CN107314493A (en) * | 2017-07-27 | 2017-11-03 | 天津市第五季环境科技有限公司 | Have the new blower fan of wall hanging of indoor purifying function concurrently |
| CN107314493B (en) * | 2017-07-27 | 2023-08-22 | 天津市第五季环境科技有限公司 | Wall-mounted fresh air machine with indoor purification function |
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