CN104964346A - Fresh air unit installed outdoors - Google Patents

Fresh air unit installed outdoors Download PDF

Info

Publication number
CN104964346A
CN104964346A CN201510360510.4A CN201510360510A CN104964346A CN 104964346 A CN104964346 A CN 104964346A CN 201510360510 A CN201510360510 A CN 201510360510A CN 104964346 A CN104964346 A CN 104964346A
Authority
CN
China
Prior art keywords
blower fan
air
grid
filter
new blower
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510360510.4A
Other languages
Chinese (zh)
Other versions
CN104964346B (en
Inventor
沈道泳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiaxing Heyu Purification Technology Co., Ltd.
Original Assignee
Suzhou Daochen Environment Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Daochen Environment Technology Co Ltd filed Critical Suzhou Daochen Environment Technology Co Ltd
Priority to CN201510360510.4A priority Critical patent/CN104964346B/en
Publication of CN104964346A publication Critical patent/CN104964346A/en
Application granted granted Critical
Publication of CN104964346B publication Critical patent/CN104964346B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0018Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0033Indoor units, e.g. fan coil units characterised by fans having two or more fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/082Grilles, registers or guards
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/20Humidity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/15Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
    • F24F8/158Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using active carbon
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • F24F2013/247Active noise-suppression
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/50Air quality properties
    • F24F2110/64Airborne particle content

Abstract

The invention discloses a fresh air unit installed outdoors. The fresh air unit installed outdoors comprises a body, an upper cover, a fixing support and an air feeding device. The air feeding device comprises a first grating, a first filtering device, a heat exchanger, a first air hose, a first draught fan, a second draught fan, a second air hose, a second filtering device and a second grating. The first grating and the second grating are arranged at the bottom of the body. The heat exchanger, the first filtering device, the first air hose, the first draught fan, the second draught fan, the second air hose and the second filtering device are all arranged in the body. The upper cover is installed on the front side of the body, and the fixing support is installed at the back of the body. In this way, the fresh air unit installed outdoors breaks through an installing mode and a working mode of a traditional fresh air unit, indoor noise is substantially lowered, repair and maintenance are convenient, the using range is wide, the fresh air unit installed outdoors can be used even though in a severe cold area, and the using effect is better.

Description

A kind of new blower fan being installed on outdoor
Technical field
The present invention relates to new blower fan field, particularly relate to a kind of new blower fan being installed on outdoor.
Background technology
Existing new blower fan is all the new blower fan of bidirectional flow, and it has independently air draft and supply air system, and contaminated air drains into outdoor through exhaust outlet, and outdoor fresh air is then sent into indoor by air outlet.But the new blower fan of present stage is all mounted in indoor, in order to install new blower fan, general needs carry out furred ceiling process to indoor, new blower fan maintenance after such installation gets up special inconvenient, and owing to being arranged on indoor, in the new blower fan course of work, noise ratio is larger.
And, present stage new blower fan installation and use region also have certain limitation, particularly for some severe cold areas, in the process that air exchanges in indoor and outdoor, because outside air temperature is too low, can there is the phenomenon that frosting is frozen in the air inlet of new blower fan, affect the normal use of new blower fan, therefore, in some severe cold areas, the use limitation of new blower fan is larger.
Summary of the invention
The technical problem that the present invention mainly solves be to provide a kind of break traditional new blower fan Installation Modes and mode of operation be installed on outdoor new blower fan.
For solving the problems of the technologies described above, the invention provides a kind of new blower fan being installed on outdoor, comprise: body, upper cover, air-supply arrangement and fixed support, described air-supply arrangement comprises the first grid, first filter, heat exchanger, first airduct, first blower fan, second blower fan, second airduct, second filter and the second grid, described first filter comprises the first screen pack, described second filter comprises the second screen pack, described first blower fan and described first airduct are electrical connected, described second blower fan and described second airduct are electrical connected, the bottom of described body is provided with the first grid and the second grid, described heat exchanger, first filter, first airduct, first blower fan, second blower fan, second airduct and the second filter are all installed in the inside of described body, the front of described body is equiped with upper cover, the back of described body is equiped with fixed support.
In a preferred embodiment of the present invention, described air-supply arrangement also comprises ceramic heat module, and described ceramic heat model calling is between described first grid and described heat exchanger.
In a preferred embodiment of the present invention, described air-supply arrangement also comprises drainage trap, and described drainage trap is arranged between described ceramic heat module and described first grid.
In a preferred embodiment of the present invention, described first filter also comprises high efficiency particulate air filter.
In a preferred embodiment of the present invention, described first filter also comprises active carbon.
In a preferred embodiment of the present invention, described air-supply arrangement also comprises PM2.5 monitor, and described PM2.5 monitor is two, and two PM2.5 monitors are connected with described first airduct with described first grid respectively.
In a preferred embodiment of the present invention, described air-supply arrangement also comprises humiture probe.
In a preferred embodiment of the present invention, described air-supply arrangement is also provided with wireless control module.
In a preferred embodiment of the present invention, described first grid is air inlet, and described second grid is air outlet.
In a preferred embodiment of the present invention, described fixed support is provided with for fixing multiple waist-shaped holes.
The invention has the beneficial effects as follows: the present invention is installed on Installation Modes and the mode of operation that traditional new blower fan broken by outdoor new blower fan, its structure be simple, easy to operate, safety in utilization better, significantly reduce indoor noise, the convenience that improve use and comfort level, be easy for installation and removal, convenient for maintaining and maintenance, severe cold area also can use, the scope of application is wider, result of use is better.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, 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, wherein:
Fig. 1 is the structural representation being installed on outdoor new blower fan one preferred embodiment of the present invention;
Fig. 2 is the explosive view being installed on outdoor new blower fan one preferred embodiment of the present invention.
Detailed description of the invention
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 to Fig. 2, the embodiment of the present invention comprises:
A kind of new blower fan being installed on outdoor, comprise: body 1, upper cover 2, air-supply arrangement and fixed support 4, described air-supply arrangement comprises the first grid 31, first filter, heat exchanger 32, first airduct 33, first blower fan 34, second blower fan 35, second airduct 36, second filter and the second grid 37, described first filter comprises the first screen pack 51, described second filter comprises the second screen pack 61, described first blower fan 34 is electrical connected with described first airduct 33, described second blower fan 35 is electrical connected with described second airduct 36, the bottom of described body 1 is provided with the first grid 31 and the second grid 37, described heat exchanger 32, first filter, first airduct 33, first blower fan 34, second blower fan 35, second airduct 36 and the second filter are all installed in the inside of described body 1, the front of described body 1 is equiped with upper cover 2, the back of described body 1 is equiped with fixed support 4.
By fixed support 4, new blower fan is fixedly connected on outdoor body of wall, break present stage new assembling like this in the installation of the new blower fan of the tradition of indoor and mode of operation, new blower fan in the present embodiment, outdoor new wind enters body 1 from the first grid 31, by entering indoor through the first airduct 33 after the first filter and heat exchanger 32, indoor air enters in body 1 by the second airduct 36, by the second filter from outside the second grid 37 discharge chamber, this VMC is bidirectional flow VMC, this air-supply arrangement has independently air draft and supply air system, outdoor fresh air is inner by the first grid 31 body 1, indoor by sending into after the first filtration devices, and contaminated room air is by just draining into outdoor through the second grid 37 after the second filtration devices, the new blower fan of this outdoor mounted is owing to being arranged on outdoor, compared with the new blower fan being arranged on indoor with present stage, its maintenance and maintenance are got up more convenient, the indoor noise that there is new blower fan hardly and produce, noise is lower, it is more convenient to use, improve convenience and the comfort level of use.
Further, the first blower fan 34 is used for the air velocity of control first airduct 33 and flow, and the second blower fan 35 is used for the air velocity of control second airduct 36 and flow, and operate separate, result of use is better.
First screen pack 51 and the second screen pack 61 are all just imitates filter screen, and described first grid 31 is air inlet, and described second grid 37 is air outlet.
Described fixed support 4 is provided with for fixing multiple waist-shaped holes, is convenient to body 1 to be fixed on outdoor wall.
Described air-supply arrangement also comprises ceramic heat module 7, and described ceramic heat module 7 is connected between described first grid 31 and described heat exchanger 32.Described air-supply arrangement also comprises drainage trap 71, and described drainage trap 71 is arranged between described ceramic heat module 7 and described first grid 31.Such outdoor air is when entering in body 1 from the first grid 31, can first heat through ceramic heat module 7, for some severe cold areas, because outside air temperature is lower, existing new blower fan is when outdoor air enters new blower fan suddenly, meeting frosting is even icing, the use of the impact new blower fan of restriction in these severe cold areas, and new blower fan of the present invention, the air that outdoor temperature is lower can heat through ceramic heat module 7, thus effectively prevent the frost of air and freeze, and add in the process of hot-air in ceramic heat module 7, once there be condensed water to occur, these moisture can be discharged by drainage trap 71, make also can use new blower fan in severe cold area, expand the scope of application of new blower fan, also ensure that the security that new blower fan uses in severe cold area.
Described first filter also comprises high efficiency particulate air filter 52 and active carbon 53, and described high efficiency particulate air filter 52 is HEPA H13 high efficiency particulate air filter, this enhances the filtration vessel levels of the first filter, improves the freshness entering room air.
Described air-supply arrangement also comprises PM2.5 monitor 8, and described PM2.5 monitor 8 is two, and two PM2.5 monitors 8 are connected with described first airduct 33 with described first grid 31 respectively.Effectively can be detected the PM2.5 index of inlet and outlet room air by two PM2.5 monitors 8, particularly when the PM2.5 index entering indoor air exceeds standard, can there is alarm in PM2.5 monitor 8, reminds operating personnel to carry out the control of New atmosphere quality.
Described air-supply arrangement also comprises humiture probe 9, and humiture probe 9 is mainly used to detect the humiture entering room air, thus ensures comfort level and the safety in utilization of indoor temperature and humidity.
Described air-supply arrangement is also provided with wireless control module 10, and along with the process of household electrical appliances intelligence degree, wireless control module 10 makes people can the unlatching of the new blower fan of wireless operated and control, makes it use convenient.
Be different from prior art, the present invention is installed on Installation Modes and the mode of operation that traditional new blower fan broken by outdoor new blower fan, and its structure is simple, easy to operate, safety in utilization better, significantly reduce indoor noise, the convenience that improve use and comfort level, be easy for installation and removal, convenient for maintaining and maintenance, severe cold area also can use, the scope of application is wider, result of use is better.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.

Claims (10)

1. one kind is installed on outdoor new blower fan, it is characterized in that, comprise: body, upper cover, air-supply arrangement and fixed support, described air-supply arrangement comprises the first grid, first filter, heat exchanger, first airduct, first blower fan, second blower fan, second airduct, second filter and the second grid, described first filter comprises the first screen pack, described second filter comprises the second screen pack, described first blower fan and described first airduct are electrical connected, described second blower fan and described second airduct are electrical connected, the bottom of described body is provided with the first grid and the second grid, described heat exchanger, first filter, first airduct, first blower fan, second blower fan, second airduct and the second filter are all installed in the inside of described body, the front of described body is equiped with upper cover, the back of described body is equiped with fixed support.
2. the new blower fan being installed on outdoor according to claim 1, it is characterized in that, described air-supply arrangement also comprises ceramic heat module, and described ceramic heat model calling is between described first grid and described heat exchanger.
3. the new blower fan being installed on outdoor according to claim 2, it is characterized in that, described air-supply arrangement also comprises drainage trap, and described drainage trap is arranged between described ceramic heat module and described first grid.
4. the new blower fan being installed on outdoor according to claim 1, it is characterized in that, described first filter also comprises high efficiency particulate air filter.
5. the new blower fan being installed on outdoor according to claim 1, it is characterized in that, described first filter also comprises active carbon.
6. the new blower fan being installed on outdoor according to claim 1, it is characterized in that, described air-supply arrangement also comprises PM2.5 monitor, and described PM2.5 monitor is two, and two PM2.5 monitors are connected with described first airduct with described first grid respectively.
7. the new blower fan being installed on outdoor according to claim 1, is characterized in that, described air-supply arrangement also comprises humiture probe.
8. the new blower fan being installed on outdoor according to claim 1, it is characterized in that, described air-supply arrangement is also provided with wireless control module.
9. the new blower fan being installed on outdoor according to claim 1, it is characterized in that, described first grid is air inlet, and described second grid is air outlet.
10. the new blower fan being installed on outdoor according to claim 1, is characterized in that, described fixed support is provided with for fixing multiple waist-shaped holes.
CN201510360510.4A 2015-06-26 2015-06-26 A kind of new blower fan for being installed on outdoor Active CN104964346B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510360510.4A CN104964346B (en) 2015-06-26 2015-06-26 A kind of new blower fan for being installed on outdoor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510360510.4A CN104964346B (en) 2015-06-26 2015-06-26 A kind of new blower fan for being installed on outdoor

Publications (2)

Publication Number Publication Date
CN104964346A true CN104964346A (en) 2015-10-07
CN104964346B CN104964346B (en) 2017-07-21

Family

ID=54218400

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510360510.4A Active CN104964346B (en) 2015-06-26 2015-06-26 A kind of new blower fan for being installed on outdoor

Country Status (1)

Country Link
CN (1) CN104964346B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110094388A (en) * 2010-02-16 2011-08-24 한국건설기술연구원 Ventilator
CN103574762A (en) * 2012-07-29 2014-02-12 李一平 Fresh air purification system installed outdoors
CN203518037U (en) * 2013-09-04 2014-04-02 广州芬尼克兹环保科技有限公司 Intelligent fresh air purifying system
KR101514998B1 (en) * 2014-07-28 2015-05-20 (주)진성이알브이 Air Heat Exchanger
CN204358858U (en) * 2014-06-04 2015-05-27 山东科莱伯纳环境工程有限公司 Fresh-air ventilation and air cleaner
CN204757142U (en) * 2015-06-26 2015-11-11 苏州道臣环境技术有限公司 Install in outdoor new fan

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110094388A (en) * 2010-02-16 2011-08-24 한국건설기술연구원 Ventilator
CN103574762A (en) * 2012-07-29 2014-02-12 李一平 Fresh air purification system installed outdoors
CN203518037U (en) * 2013-09-04 2014-04-02 广州芬尼克兹环保科技有限公司 Intelligent fresh air purifying system
CN204358858U (en) * 2014-06-04 2015-05-27 山东科莱伯纳环境工程有限公司 Fresh-air ventilation and air cleaner
KR101514998B1 (en) * 2014-07-28 2015-05-20 (주)진성이알브이 Air Heat Exchanger
CN204757142U (en) * 2015-06-26 2015-11-11 苏州道臣环境技术有限公司 Install in outdoor new fan

Also Published As

Publication number Publication date
CN104964346B (en) 2017-07-21

Similar Documents

Publication Publication Date Title
KR100991361B1 (en) Air ventilation circulating device with fire alarm function and gas leakage shrtoff function
KR102097880B1 (en) Air conditioner indoor unit
CN201787734U (en) Pre-warning gas water heater
GB2542074A (en) Multi-functional ventilation system
CN101603723A (en) The clean prompting method of indoor machine filter screen of embedded type air conditioner
CN202868925U (en) Fresh air energy-saving system
CN209730594U (en) A kind of Multifunctional low voltage distribution box
CN204757142U (en) Install in outdoor new fan
CN219693510U (en) Exhaust system of refrigerator room
US20200158358A1 (en) Air Intelligent Circulation Filter Window for Confined Space
CN104964346A (en) Fresh air unit installed outdoors
CN205746988U (en) Log cabin steel plate fireplace
CN201416975Y (en) Natural ventilation device for house
CN102809204A (en) Fresh air energy saving system control device and control method thereof
CN215212122U (en) Resident building oil smoke clean system
CN203052796U (en) Washable supplementing blowing device for smoke exhaust ventilator
CN203240678U (en) Air conditioner ventilation system used in acoustical laboratory
CN105627440A (en) Ventilation type air conditioner
CN201327128Y (en) Air-conditioning ventilation system with self-lowered shutter exhaust device
CN104279626A (en) Indoor unit for embedded air conditioner and embedded air conditioner with indoor unit
CN105352047A (en) Energy-saving and environment-friendly central air conditioner
CN201285137Y (en) Intelligent ventilating system
CN217082831U (en) Negative pressure smoke exhaust device for fire engineering
CN204880363U (en) Purify fresh air unit
CN205979923U (en) Wind system is mended all to gas -cooker air curtain

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: 215600 international student Pioneer Park, No.1, Guotai North Road, Zhangjiagang, Suzhou, Jiangsu Province

Patentee after: SUZHOU DAOCHEN ENVIRONMENT TECHNOLOGY CO., LTD.

Address before: Huijin Business Center No. 1099 Bridge Road Suzhou city Jiangsu province 215000 building 3 room 311

Patentee before: SUZHOU DAOCHEN ENVIRONMENT TECHNOLOGY CO., LTD.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200427

Address after: 314500 Second Floor, No. 555 Zhenshi Road, Shimen Town, Tongxiang City, Jiaxing City, Zhejiang Province

Patentee after: Jiaxing Heyu Purification Technology Co., Ltd.

Address before: 215600 international student Pioneer Park, No.1, Guotai North Road, Zhangjiagang, Suzhou, Jiangsu Province

Patentee before: SUZHOU DAOCHEN ENVIRONMENT TECHNOLOGY Co.,Ltd.