CN107166531A - A kind of fresh air interchanger with dehumidification function - Google Patents
A kind of fresh air interchanger with dehumidification function Download PDFInfo
- Publication number
- CN107166531A CN107166531A CN201710431141.2A CN201710431141A CN107166531A CN 107166531 A CN107166531 A CN 107166531A CN 201710431141 A CN201710431141 A CN 201710431141A CN 107166531 A CN107166531 A CN 107166531A
- Authority
- CN
- China
- Prior art keywords
- air
- fresh
- fresh air
- chamber
- dehumidification
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
- F24F2003/1446—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only by condensing
- F24F2003/1452—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only by condensing heat extracted from the humid air for condensing is returned to the dried air
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Gases (AREA)
Abstract
The present invention relates to a kind of fresh air interchanger with dehumidification function, including new wind mechanism and desiccant body；The new wind mechanism includes casing, heat exchanging core, exhaust blower, pressure fan, fresh air isolating valve, air draft isolating valve and interior circulation air-valve；The casing is the primary structure framework of unit, and casing end face sets fresh wind port, air outlet, return air inlet, exhaust outlet respectively；The pressure fan, exhaust blower, new wind filter, return air filter part, heat exchanging core, interior circulation air-valve, fresh air isolating valve and air draft isolating valve are mounted in casing.The desiccant body is connected with air outlet, and it includes the dehumidification system in cabinet and cabinet, and the cabinet is further opened with air outlet.The fresh air interchanger of the structure has both of which, conventional fresh air pattern and dehumidification mode, can flexibly be switched according to room air situation, can keep indoor comfort level, meet the demand of user.
Description
Technical field
The present invention relates to air exchange device technical field, more particularly to a kind of fresh air interchanger with dehumidification function.
Background technology
Conventional fresh air interchanger is main by casing, pressure fan, exhaust blower, fresh air filter element, return air filter house at present
Part and heat exchanging core composition.During unit operation, outdoor fresh air is by sending machine to suck, and indoor return air is sucked by exhaust blower, fresh air, return
Wind, due to the presence of humiture difference, by heat transfer, mass transport process, realizes that energy is recycled to newly from return side in heat exchanger core body
Wind side, then fresh air is indoor by pressure fan feeding, and return air passes through exhaust blower and discharges outdoor.Its operational mode is more single, nothing
Method meets the multiple demand of client.For example, when indoor humidity is larger, conventional fresh air interchanger can not be realized to room air
The regulatory function of humidity, the humidity of room air cannot be adjusted effectively, and its comfort level cannot be guaranteed, it is impossible to meet client's
Use requirement.
The content of the invention
Based on this, it is an object of the present invention to provide a kind of fresh air interchanger with dehumidification function.
A kind of fresh air interchanger with dehumidification function, including new wind mechanism and desiccant body；The new wind mechanism includes case
Body, heat exchanging core, exhaust blower, pressure fan, fresh air isolating valve, air draft isolating valve and interior circulation air-valve；The heat exchanging core
It is arranged in the middle part of casing, box house is separated into four cavitys, including return air chamber, fresh air chamber, row by it jointly with four pieces of dividing plates
Wind chamber and wind pushing cavity；The side of return air chamber offers return air inlet, and the side of fresh air chamber offers fresh wind port, and the side of air draft chamber is opened
Provided with exhaust outlet, the side of wind pushing cavity offers air outlet；The exhaust blower is arranged in air draft chamber and is connected with exhaust outlet, institute
Blower setting is stated in wind pushing cavity and is connected with air outlet；The fresh air isolating valve is arranged at fresh wind port；The air draft every
It is arranged on from valve at exhaust outlet；The interior circulation air-valve is arranged on the dividing plate between return air chamber and wind pushing cavity；The dehumidifier
Structure is connected with air outlet, and it includes the dehumidification system in cabinet and cabinet, and the cabinet is further opened with air outlet.The structure it is new
Wind interchanger has both of which, conventional fresh air pattern and dehumidification mode, can flexibly be switched according to room air situation, energy
It is enough to keep indoor comfort level, meet the demand of user.
Further, the dehumidification system includes compressor, condenser, evaporator, device for drying and filtering and throttling arrangement；Institute
State the dehumidification system that the sequentially head and the tail connection of compressor, condenser, device for drying and filtering, throttling arrangement and evaporator forms circulation.
Further, the fresh air chamber is additionally provided with new wind filter.
Further, the return air chamber is additionally provided with return air filter.
Further, the dehumidification system also includes condensation water pond, and its bottom offers discharge outlet；The condensation water pond side
Face is provided with neck, and the condenser and evaporator are arranged on condensation water pond by neck.
Further, the upper base surface of the condensation water pond is V-shaped, and discharge outlet is opened at the minimum point in V-type face.
Compared to prior art, fresh air interchanger of the present invention has desiccant body, can open two kinds of operation moulds
Formula, can open dehumidification function when indoor humidity is larger at that time；Conventional fresh air pattern is can be adjusted to when indoor humidity is comfortable.
Its operational mode flexibly, meets user's multiple demand, indoor comfort degree is effectively adjusted.
In order to more fully understand and implement, the invention will now be described in detail with reference to the accompanying drawings.
Brief description of the drawings
Fig. 1 is the stereogram of the fresh air interchanger of the present invention with dehumidification function；
Fig. 2 is the air flow figure under the fresh air interchanger fresh air pattern of the present invention with dehumidification function；
Fig. 3 is the air flow figure under the fresh air interchanger dehumidification mode of the present invention with dehumidification function；
Fig. 4 is desiccant body structure chart of the present invention；
Fig. 5 is dehumidification system schematic diagram of the present invention；
Fig. 6 is the structural representation of condensation water pond.
Embodiment
As shown in figure 1, Fig. 1 is the stereogram of the fresh air interchanger of the present invention with dehumidification function.A kind of band dehumidifying work(
The fresh air interchanger of energy, including new wind mechanism and desiccant body, desiccant body are connected and installed in new wind mechanism by pipeline and exported.
Specifically, as shown in Figures 2 and 3, Fig. 2 is under the fresh air interchanger fresh air pattern of the present invention with dehumidification function
Air flow figure；Fig. 3 is the air flow figure under the fresh air interchanger dehumidification mode of the present invention with dehumidification function.It is described
New wind mechanism includes casing 1, heat exchanging core 2, exhaust blower 3, pressure fan 4, fresh air isolating valve 5, air draft isolating valve 6, interior circulation
Air-valve 7, new wind filter 8 and return air filter 9；The heat exchanging core 2 is arranged on the middle part of casing 1, for by return air
Temperature, humidity are recycled to fresh air side, and it will be separated into four cavitys with four pieces of dividing plates 10 jointly inside casing 1, including return air chamber,
Fresh air chamber, air draft chamber and wind pushing cavity；The side of return air chamber offers return air inlet 11, and the side of fresh air chamber offers fresh wind port 12,
The side of air draft chamber offers exhaust outlet 13, and the side of wind pushing cavity offers air outlet 14；The exhaust blower 3 is arranged on air draft chamber
In and be connected with exhaust outlet 13, the pressure fan 4 is arranged in wind pushing cavity and is connected with air outlet 14；The fresh air isolating valve 5
It is arranged at fresh wind port 12；The air draft isolating valve 6 is arranged at exhaust outlet 13；The interior circulation air-valve 7 is arranged on return air chamber
On dividing plate 10 between wind pushing cavity；The new wind filter 8 is arranged on fresh air intracavitary, and barrier fresh wind port 12, the return air
Filter 9 is arranged on return air intracavitary, and barrier return air inlet 11.
As shown in Figure 4 and Figure 5, Fig. 4 is desiccant body structure chart of the present invention；Fig. 5 is dehumidification system principle of the present invention
Figure.The desiccant body includes the dehumidification system in cabinet 21 and cabinet 21, and the cabinet 21 is further opened with air outlet 211.Institute
Stating dehumidification system includes compressor 22, condenser 23, evaporator 24, device for drying and filtering 25, throttling arrangement 26 and system pipeline；
The compressor 22, condenser 23, device for drying and filtering 25, throttling arrangement 26 and evaporator 24 are sequentially connected from beginning to end by system pipeline
Connect the dehumidification system to form circulation.
In addition, as shown in fig. 6, Fig. 6 is the structural representation of condensation water pond.Desiccant body also includes condensation water pond 27, institute
State condensation water pond 27 side and be provided with neck, the condenser 23 and evaporator 24 are arranged on condensation water pond 27 by neck,
And its upper base surface is V-shaped, discharge outlet 271 is opened at the minimum point in V-type face.Condenser 23 and evaporator 24 are installed on cold
On solidifying water pond 27, condensation water pond 27 is used to collect the condensed water of dehumidification process generation and drained in time.Condense water pond 27 and condensation
Device 23, evaporator 24 form part after fixing, and are finally installed in cabinet 21.Compressor 22 is installed on one end of cabinet 21, and
It is connected by system pipeline with condenser 23, evaporator 24.Device for drying and filtering 25 and throttling arrangement 26 are installed on condenser 23 and gone out
On system pipeline between mouth and the entrance of evaporator 24.During dehumidification mode, compressor 22 is by the HTHP refrigerant gas after compression
Body is discharged into condenser 24, and HTHP refrigerant its heat in condenser 24 is taken away by air, becomes the cooling medium liquid of the middle temperature of high pressure
Body, then by the entrance throttling arrangement 26 of device for drying and filtering 25, low temperature is become by the reducing pressure by regulating flow effect of throttling arrangement 26
Low pressure liquid, subsequently into evaporator 24, the heat in evaporator 24 in absorption air cause air themperature drop to dew point with
Moisture is separated out down, so as to realize dehumidification function；Refrigerant in evaporator 24 constantly absorbs heat and vaporized, and eventually forms with one
Determine the gas of the degree of superheat and sucked by compressor 22, compression heel row goes out in compressor 22, proceeds above-mentioned circulation.And dehumidify
The heat heating that air afterwards then passes through in condenser 23, and absorptive condenser 23, is finally admitted to interior.
Operation principle：Under normal mode, desiccant body is not run, and interior circulation air-valve 7 is closed, and fresh air isolating valve 5 and row
Wind isolating valve 6 is in open mode；Outdoor fresh air enters from fresh wind port, respectively through new wind filter 8, heat exchanging core 2
Interior is sent into by pressure fan 4 afterwards；Indoor return air enters from return air inlet 11, respectively through return air filter 9, heat exchanging core 2
Sucked afterwards by exhaust blower 3, and outdoor is discharged from exhaust outlet 13.
Under dehumidification mode, exhaust blower 3 is out of service, and interior circulation air-valve 7 is opened, and fresh air isolating valve 5 and row's isolation 6 are closed
Close；Indoor return air enters from return air inlet 11, is sucked after interior circulation air-valve 7 by pressure fan 4；Desiccant body is connected by pipeline
It is installed on pressure fan 4 to export, indoor return air enters desiccant body after being pressurized in pressure fan 4 by pipeline.
Moisture in air is precipitated when by evaporator 24, and the bottom of evaporator 24 is gathered under gravity
Condense in water pond 27.Condensation water pond 27 sets neck and mounting hole sideways, for the fixation of condenser 23 and evaporator 24, its
Bottom sets the two-sided inclination catchment of V-type, and catchment minimum point air downstream sets discharge outlet 271, and condensed water can be quick, effective
Gather drainage and flow to discharge outlet, and drained by external drainpipe.
Compared to prior art, fresh air interchanger of the present invention has desiccant body, can open two kinds of operation moulds
Formula, can open dehumidification function when indoor humidity is larger at that time；Conventional fresh air pattern is can be adjusted to when indoor humidity is comfortable.
Its operational mode flexibly, meets user's multiple demand, indoor comfort degree is effectively adjusted.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.
Claims (6)
1. a kind of fresh air interchanger with dehumidification function, it is characterised in that：Including new wind mechanism and desiccant body；The new blower fan
Structure includes casing, heat exchanging core, exhaust blower, pressure fan, fresh air isolating valve, air draft isolating valve and interior circulation air-valve；The heat
Exchange core body to be arranged in the middle part of casing, it is common with four pieces of dividing plates to be separated into four cavitys by box house, including it is return air chamber, new
Wind chamber, air draft chamber and wind pushing cavity；The side of return air chamber offers return air inlet, and the side of fresh air chamber offers fresh wind port, air draft chamber
Side offer exhaust outlet, the side of wind pushing cavity offers air outlet；The exhaust blower is arranged in air draft chamber and and air draft
Mouth connection, the blower setting is connected in wind pushing cavity and with air outlet；The fresh air isolating valve is arranged at fresh wind port；Institute
Air draft isolating valve is stated to be arranged at exhaust outlet；The interior circulation air-valve is arranged on the dividing plate between return air chamber and wind pushing cavity；Institute
State desiccant body to connect with air outlet, it includes the dehumidification system in cabinet and cabinet, the cabinet is further opened with air outlet.
2. the fresh air interchanger according to claim 1 with dehumidification function, it is characterised in that：The dehumidification system includes pressure
Contracting machine, condenser, evaporator, device for drying and filtering and throttling arrangement；The compressor, condenser, device for drying and filtering, throttling arrangement
The dehumidification system of circulation is formed with evaporator sequentially head and the tail connection.
3. the fresh air interchanger according to claim 2 with dehumidification function, it is characterised in that：The fresh air chamber is additionally provided with
New wind filter, the new wind filter barrier is at fresh wind port.
4. the fresh air interchanger according to claim 3 with dehumidification function, it is characterised in that：The return air chamber is additionally provided with
Return air filter, the return air filter barrier is at return air inlet.
5. the fresh air interchanger according to claim 3 with dehumidification function, it is characterised in that：The dehumidification system also includes
Water pond is condensed, its bottom offers discharge outlet；The condensation water pond side is provided with neck, and the condenser and evaporator pass through
Neck is arranged on condensation water pond.
6. the fresh air interchanger according to claim 5 with dehumidification function, it is characterised in that：The bottom of the condensation water pond
Upper surface is V-shaped, and discharge outlet is opened at the minimum point in V-type face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710431141.2A CN107166531A (en) | 2017-06-08 | 2017-06-08 | A kind of fresh air interchanger with dehumidification function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710431141.2A CN107166531A (en) | 2017-06-08 | 2017-06-08 | A kind of fresh air interchanger with dehumidification function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107166531A true CN107166531A (en) | 2017-09-15 |
Family
ID=59825939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710431141.2A Pending CN107166531A (en) | 2017-06-08 | 2017-06-08 | A kind of fresh air interchanger with dehumidification function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107166531A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842963A (en) * | 2017-09-20 | 2018-03-27 | 珠海格力电器股份有限公司 | Fresh air machine and control method thereof |
| CN109458709A (en) * | 2018-10-31 | 2019-03-12 | 壹格建筑科技(上海)有限公司 | A kind of air humidity adjusting device and control method |
| CN109458715A (en) * | 2018-10-31 | 2019-03-12 | 壹格建筑科技(上海)有限公司 | A kind of control method of air humidity adjusting device |
| CN112097331A (en) * | 2020-09-23 | 2020-12-18 | 浙江曼瑞德环境技术股份有限公司 | Serial-type constant temperature dehumidifier |
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| CN202253992U (en) * | 2011-07-14 | 2012-05-30 | 上海克络蒂新能源科技有限公司 | Heat pump heat recovery constant humidity fresh air handling unit |
| CN102644972A (en) * | 2012-05-18 | 2012-08-22 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
| CN202734058U (en) * | 2012-06-25 | 2013-02-13 | 广东美的制冷设备有限公司 | Air-conditioner indoor unit with fresh air heat recovery device |
| CN103742997A (en) * | 2014-01-09 | 2014-04-23 | 北京亚都环保科技有限公司 | Household multifunctional dehumidifier |
| CN106225086A (en) * | 2016-09-13 | 2016-12-14 | 西安交通大学 | A kind of indoor fresh air register |
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| CN106765851A (en) * | 2017-03-29 | 2017-05-31 | 华北理工大学 | A kind of air filtration processor and its processing system, processing method |
| CN206803367U (en) * | 2017-05-08 | 2017-12-26 | 浙江欧伦电气有限公司 | bidirectional flow heat recovery fresh air dehumidifier |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202253992U (en) * | 2011-07-14 | 2012-05-30 | 上海克络蒂新能源科技有限公司 | Heat pump heat recovery constant humidity fresh air handling unit |
| CN102644972A (en) * | 2012-05-18 | 2012-08-22 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
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| CN106225086A (en) * | 2016-09-13 | 2016-12-14 | 西安交通大学 | A kind of indoor fresh air register |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842963A (en) * | 2017-09-20 | 2018-03-27 | 珠海格力电器股份有限公司 | Fresh air machine and control method thereof |
| CN109458709A (en) * | 2018-10-31 | 2019-03-12 | 壹格建筑科技(上海)有限公司 | A kind of air humidity adjusting device and control method |
| CN109458715A (en) * | 2018-10-31 | 2019-03-12 | 壹格建筑科技(上海)有限公司 | A kind of control method of air humidity adjusting device |
| CN109458709B (en) * | 2018-10-31 | 2020-11-03 | 壹格建筑科技(上海)有限公司 | Air humidity adjusting device and control method |
| CN112097331A (en) * | 2020-09-23 | 2020-12-18 | 浙江曼瑞德环境技术股份有限公司 | Serial-type constant temperature dehumidifier |
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Address after: 529200 Taishan, Jiangmen, Taicheng, South Hing Road, No. 15, No. Applicant after: Guangdong nedfon air system Limited by Share Ltd Address before: 529200 Taishan, Jiangmen, Taicheng, South Hing Road, No. 15, No. Applicant before: Guangzhou Lvdaofeng Indoor Air System Technology Co., Ltd. |
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Application publication date: 20170915 |
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| RJ01 | Rejection of invention patent application after publication |