CN112325401A - Counter-flow air heat exchange natural cooling system for data machine room and control method thereof - Google Patents
Counter-flow air heat exchange natural cooling system for data machine room and control method thereof Download PDFInfo
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- CN112325401A CN112325401A CN202011203111.4A CN202011203111A CN112325401A CN 112325401 A CN112325401 A CN 112325401A CN 202011203111 A CN202011203111 A CN 202011203111A CN 112325401 A CN112325401 A CN 112325401A
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- air
- pipe
- heat exchanger
- cooling system
- natural cooling
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0003—Exclusively-fluid systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
-
- 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
- F24F13/30—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
- 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
- F24F3/1411—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 absorbing or adsorbing water, e.g. using an hygroscopic desiccant
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- 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
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- 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
Abstract
The invention discloses a natural cooling system of countercurrent air heat exchange for a data machine room and a control method thereof, wherein the baffle and an air pump are utilized to pressurize the air in an air suction pipe, the capacity of air for containing water vapor is inversely proportional to the pressure, moisture in the air is separated out and is absorbed by a drying agent in a drying layer, the air suction pipe is opened again, the dried air is sent into a room through an air supply pipe, the heat exchanger transfers the heat of the air to the air in an air return pipe when passing through the heat exchanger, so that the air in the air supply pipe is cooled, the air entering from the air return pipe enters an exhaust pipe after being heated by the heat exchanger, the heated air is dehydrated on the drying layer and then discharged out of the room when passing through the drying layer, the air is dried through pressurization, and new heat cannot be generated, and the drying agent is dehydrated by the heated air, so that the energy is saved and the host machine of the machine room is protected.
Description
Technical Field
The invention relates to the technical field of air cooling systems, in particular to a countercurrent air heat exchange natural cooling system for a data machine room and a control method thereof.
Background
The calorific capacity is huge when data computer lab equipment moves, for the normal operating of equipment, need cool down this computer lab equipment, make it keep under stable temperature and humidity, air heat exchanger belongs to one kind of heat exchanger, the core device is heat exchange components and parts, indoor exhaust air and the fresh air accessible heat exchange components and parts exchange temperature of sending into outdoors, energy recovery to airing exhaust, precool outdoor new trend simultaneously, reduce indoor cold air and flow to outdoors, thereby reach not only ventilation but also keep the stable effect of indoor temperature, and most air heat exchanger do not have the dehumidification subassembly, moist air can lead to the computer lab host computer to damage.
Disclosure of Invention
The invention aims to provide a counter-flow air heat exchange natural cooling system for a data machine room and a control method thereof, and aims to solve the technical problem that in the prior art, most air heat exchangers are not provided with dehumidification components, and moist air can cause damage to a machine room main machine.
In order to achieve the above object, the present invention provides a counter-flow air heat exchange natural cooling system for a data machine room, comprising a housing, a return air pipe, a heat exchanger, an exhaust pipe, an air supply pipe, an air suction pipe, and a drying assembly, wherein the heat exchanger is fixedly connected with the housing and positioned inside the housing, the return air pipe is fixedly connected with the heat exchanger and positioned on the side surface of the heat exchanger, the exhaust pipe is fixedly connected with the heat exchanger and positioned on one side of the heat exchanger away from the return air pipe, the air supply pipe is fixedly connected with the heat exchanger and positioned on the side surface of the heat exchanger, the air suction pipe is fixedly connected with the heat exchanger and positioned on one side of the heat exchanger away from the air supply pipe, the drying assembly comprises an air pump, an air cylinder, a connecting rod, a baffle plate, and a drying layer, the air pump is, and is located in the inside of aspiration channel, the baffle with aspiration channel swing joint, and be located in the inside of aspiration channel, the connecting rod with baffle fixed connection, and be located the top of baffle, the cylinder with connecting rod swing joint, and be located the side of connecting rod, dry layer respectively with aspiration channel and exhaust pipe fixed connection, and be located between aspiration channel and the exhaust pipe.
The drying assembly further comprises a supporting seat, and the supporting seat is fixedly connected with the air cylinder and is located above the air cylinder.
The drying assembly further comprises two first screws, and the two first screws are in threaded connection with the supporting seat and located above the supporting seat.
Wherein, the top of aspiration channel is provided with the activity groove.
The counter-flow air heat exchange natural cooling system for the data computer room further comprises two second screws, wherein the two second screws are in threaded connection with the supporting seat respectively and are located above the shell.
The invention also provides a control method of the countercurrent air heat exchange natural cooling system for the data machine room, which comprises the following steps:
the air suction pipe and the exhaust pipe are arranged outdoors, and the air return pipe and the air supply pipe are arranged indoors;
fixing the shell and the support seat on a ceiling by using the first screw and the second screw;
starting the air pump to start air circulation, and refrigerating by using a heat exchanger;
and starting the air cylinder, and pressurizing and dehumidifying the air by using the baffle and the air pump.
The invention has the beneficial effects that: the air pump is started to pump air to the air supply pipe through the air exhaust pipe, the air cylinder is started, the air cylinder pushes the baffle to the bottom, the baffle seals the air exhaust pipe, the air pump continues to pump air, the air pressure of the air in the section is continuously increased, the capacity of air for containing water vapor is inversely proportional to the pressure, moisture in the air is separated out and absorbed by the drying agent in the drying layer, the air cylinder contracts inwards, the air suction pipe is opened again, the dried air is sent into the room through the air supply pipe, the heat exchanger transfers the heat of the air to the air in the return pipe when passing through the heat exchanger, so that the air in the air supply pipe becomes cold, the air entering from the return pipe enters the air exhaust pipe after being heated by the heat exchanger, and the heated air is discharged outdoors after dehydrating the drying layer when passing through the drying layer, the air is dried by pressurization, new heat cannot be generated, and the drying agent is dehydrated by the heated air, so that the energy is saved, and the host machine of a machine room is protected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a counter-flow air heat exchange natural cooling system for a data room of the invention.
Fig. 2 is a schematic diagram of the internal structure of the counter-flow air heat exchange natural cooling system for the data room of the invention.
Fig. 3 is a flowchart illustrating steps of a control method of the counter-flow air heat exchange natural cooling system for a data room according to the present invention.
1-shell, 2-return air pipe, 3-heat exchanger, 4-exhaust pipe, 5-blast pipe, 6-suction pipe, 61-movable groove, 7-drying component, 71-air pump, 72-cylinder, 73-connecting rod, 74-baffle, 75-drying layer, 76-supporting seat, 77-first screw, 8-second screw, 9-absorbing component, 91-bifurcated pipe, 92-absorbing cover, 93-first telescopic pipe and 94-second telescopic pipe.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a data computer lab is with air heat transfer natural cooling system against current, includes casing 1, return air duct 2, heat exchanger 3, exhaust pipe 4, blast pipe 5, aspiration channel 6, dry subassembly 7, heat exchanger 3 with casing 1 fixed connection, and be located the inside of casing 1, return air duct 2 with heat exchanger 3 fixed connection, and be located heat exchanger 3's side, exhaust pipe 4 with heat exchanger 3 fixed connection, and be located heat exchanger 3 keeps away from one side of return air duct 2, blast pipe 5 with heat exchanger 3 fixed connection, and be located heat exchanger 3's side, aspiration channel 6 with heat exchanger 3 fixed connection, and be located heat exchanger 3 keeps away from one side of blast pipe 5, dry subassembly 7 includes air pump 71, cylinder 72, connecting rod 73, air pump 71, Baffle 74 and dry layer 75, air pump 71 with aspiration channel 6 fixed connection, and be located the inside of aspiration channel 6, baffle 74 with aspiration channel 6 swing joint, and be located the inside of aspiration channel 6, connecting rod 73 with baffle 74 fixed connection, and be located the top of baffle 74, cylinder 72 with connecting rod 73 swing joint, and be located the side of connecting rod 73, dry layer 75 respectively with aspiration channel 6 and exhaust pipe 4 fixed connection, and be located between aspiration channel 6 and the exhaust pipe 4.
In this embodiment, the air pump 71 is started to pump air to the air supply pipe 5 through the air exhaust pipe, the air cylinder 72 is started, the air cylinder 72 pushes the connecting rod 73 to push the baffle 74 to the bottom, the baffle 74 closes the air exhaust pipe, the air pump 71 continues to pump air to continuously increase the air pressure of the section of air, the capacity of air for containing water vapor is inversely proportional to the pressure, the water in the air is separated out and absorbed by the drying agent in the drying layer 75, the air cylinder 72 is contracted inwards, the air suction pipe 6 is reopened, the dried air is sent into the room through the air supply pipe 5, when passing through the heat exchanger 3, the heat exchanger 3 transfers the heat of the air to the air in the air return pipe 2, so that the air in the air supply pipe 5 is cooled, and the air entering from the air return pipe 2 is heated by the heat exchanger 3, get into exhaust pipe 4, through during the drying layer 75, the air of heating is right the drying layer 75 is dehydrated the back and is discharged outdoors, carries out the drying of air through the pressure boost, can not produce new heat, carries out the dehydration of drier by the air of heating again, when having saved the energy, has protected the host computer of computer lab.
Further, the drying assembly 7 further includes a support seat 76, and the support seat 76 is fixedly connected to the air cylinder 72 and is located above the air cylinder 72.
In this embodiment, the support seat 76 is used for fixing the air cylinder 72, and the drying module 7 can be fixed to the ceiling through the support seat 76.
Further, the drying assembly 7 further includes two first screws 77, and the two first screws 77 are respectively in threaded connection with the supporting seat 76 and are located above the supporting seat 76.
In this embodiment, the drying module 7 is attached by the first screw 77, and the support base 76 can be fixed to the ceiling by the first screw 77.
Furthermore, a movable groove 61 is arranged at the top end of the air suction pipe 6.
In this embodiment, when the cylinder 72 extends, the connecting rod 73 drives the baffle 74 to slide up and down in the movable groove 61, and when the baffle slides to the bottom, the air suction pipe 6 is in a semi-closed state.
Further, the counter-flow air heat exchange natural cooling system for the data machine room further comprises second screws 8, and the number of the second screws 8 is two, and the second screws 8 are respectively in threaded connection with the support seat 76 and are located above the shell 1.
In the present embodiment, the counter flow air heat exchange natural cooling system for a data room is attached by the second screws 8, and the housing 1 is fixed to the ceiling by the second screws 8.
Further, the countercurrent air heat exchange natural cooling system for the data machine room and the control method thereof further include an absorption assembly 9, the absorption assembly 9 includes a branch pipe 91 and absorption covers 92, the branch pipe 91 is fixedly connected with the return air pipe 2 and is located below the return air pipe 2, the number of the absorption covers 92 is multiple, and each absorption cover 92 is respectively fixedly connected with the branch pipe 91 and is located below the branch pipe 91.
In this embodiment, the ambient air temperature around each main machine in the machine room is the highest, the absorption cover 92 is disposed above each main machine to absorb heat, so as to improve the heat absorption effect, and after water in the machine room is evaporated, the water can enter the branch pipe 91 through the absorption cover 92 and finally enter the return air pipe 2.
Further, the diverging pipe 91 comprises a first telescopic pipe 93 and a second telescopic pipe 94, the first telescopic pipe 93 is fixedly connected with the return air pipe 2 and is located below the return air pipe 2, and the second telescopic pipe 94 is fixedly connected with the first telescopic pipe 93 and is located below the second telescopic pipe 94.
In this embodiment, the positions of the hosts in the machine room are different, the horizontal position can be adjusted by the first telescopic pipe 93, and the vertical height can be adjusted by the second telescopic pipe 94, so as to approach the hosts as much as possible, thereby improving the absorption effect.
Referring to fig. 3, the present invention further provides a control method of the countercurrent air heat exchange natural cooling system for a data room, including the following steps:
s1, arranging the air suction pipe 6 and the exhaust pipe 4 outdoors, and arranging the return air pipe 2 and the blast pipe 5 indoors;
s2, fixing the shell 1 and the support seat 76 on the ceiling by using the first screw 77 and the second screw 8;
s3, starting the air pump 71 to start air circulation, and refrigerating by using the heat exchanger 3;
and S4, starting the air cylinder 72, and pressurizing and dehumidifying the air by using the baffle 74 and the air pump 71.
In this embodiment, the data room is installed with a counter-flow air heat exchange natural cooling system by the first screw 77 and the second screw 8, the baffle 74 and the air pump 71 are utilized to pressurize the air in the air suction pipe 6, the capacity of air to contain water vapor is inversely proportional to the pressure, the water in the air is separated out, so as to be absorbed by the desiccant in the drying layer 75, the air suction pipe 6 is opened again, the dried air is sent into the room through the air supply pipe 5, when passing through the heat exchanger 3, the heat exchanger 3 transfers the heat of the air to the air in the air return pipe 2, so that the air in the air supply pipe 5 is cooled, the air entering from the air return pipe 2 is heated by the heat exchanger 3 and then enters the air exhaust pipe 4, when passing through the drying layer 75, the heated air dehydrates the drying layer 75 and then is discharged out of the room, the air is dried by pressurization, new heat cannot be generated, and the drying agent is dehydrated by the heated air, so that the energy is saved, and the host machine of a machine room is protected.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A counter-flow air heat exchange natural cooling system for a data machine room is characterized by comprising a shell, a return air pipe, a heat exchanger, an exhaust pipe, an air supply pipe, an air suction pipe and a drying assembly, wherein the heat exchanger is fixedly connected with the shell and is positioned in the shell, the return air pipe is fixedly connected with the heat exchanger and is positioned on the side surface of the heat exchanger, the exhaust pipe is fixedly connected with the heat exchanger and is positioned on one side of the heat exchanger, which is far away from the return air pipe, the air supply pipe is fixedly connected with the heat exchanger and is positioned on the side surface of the heat exchanger, the air suction pipe is fixedly connected with the heat exchanger and is positioned on one side of the heat exchanger, which is far away from the air supply pipe, the drying assembly comprises an air pump, an air cylinder, a connecting rod, a baffle and a drying layer, and is located in the inside of aspiration channel, the baffle with aspiration channel swing joint, and be located in the inside of aspiration channel, the connecting rod with baffle fixed connection, and be located the top of baffle, the cylinder with connecting rod swing joint, and be located the side of connecting rod, dry layer respectively with aspiration channel and exhaust pipe fixed connection, and be located between aspiration channel and the exhaust pipe.
2. The counter-flow air heat exchange natural cooling system for the data room of claim 1, wherein the drying assembly further comprises a support base, and the support base is fixedly connected with the cylinder and is positioned above the cylinder.
3. The counter-flow air heat exchange natural cooling system for the data room as claimed in claim 2, wherein the drying assembly further comprises two first screws, and the two first screws are respectively in threaded connection with the supporting seat and are located above the supporting seat.
4. The counter-flow air heat exchange natural cooling system for the data room of claim 3, wherein the top end of the air suction pipe is provided with a movable groove.
5. The counter-flow air heat exchange natural cooling system for the data room of claim 4, further comprising a number of second screws, wherein the number of the second screws is two, the second screws are respectively in threaded connection with the supporting seat, and the second screws are located above the shell.
6. The control method of the counter-flow air heat exchange natural cooling system for the data room according to claim 5 is characterized by comprising the following steps:
the air suction pipe and the exhaust pipe are arranged outdoors, and the air return pipe and the air supply pipe are arranged indoors;
fixing the shell and the support seat on a ceiling by using the first screw and the second screw;
starting the air pump to start air circulation, and refrigerating by using a heat exchanger;
and starting the air cylinder, and pressurizing and dehumidifying the air by using the baffle and the air pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011203111.4A CN112325401A (en) | 2020-11-02 | 2020-11-02 | Counter-flow air heat exchange natural cooling system for data machine room and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011203111.4A CN112325401A (en) | 2020-11-02 | 2020-11-02 | Counter-flow air heat exchange natural cooling system for data machine room and control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112325401A true CN112325401A (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011203111.4A Pending CN112325401A (en) | 2020-11-02 | 2020-11-02 | Counter-flow air heat exchange natural cooling system for data machine room and control method thereof |
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| CN (1) | CN112325401A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1171521A (en) * | 1996-05-24 | 1998-01-28 | 株式会社荏原制作所 | Air conditioning system |
| CN1178307A (en) * | 1996-10-01 | 1998-04-08 | 三菱电机株式会社 | Dry air generator without Chemical substances |
| JP2003247732A (en) * | 2002-02-25 | 2003-09-05 | Ohbayashi Corp | Desiccant air conditioner |
| CN205415353U (en) * | 2016-03-21 | 2016-08-03 | 湖北宝塔研磨有限公司 | Dust extraction for coated abrasive machining |
| CN205783476U (en) * | 2016-05-27 | 2016-12-07 | 范文和 | A kind of chilling air conditioning system |
| CN206905497U (en) * | 2017-06-12 | 2018-01-19 | 沈文伟 | A kind of carpet hair dryer |
| CN207667416U (en) * | 2017-11-28 | 2018-07-31 | 广西荔浦农乐微力大生物科技有限公司 | A kind of microbial bacterial agent production deodorizing device |
| CN208750876U (en) * | 2018-08-28 | 2019-04-16 | 江西开元安福火腿有限责任公司 | A kind of ham air-dries the dehumidification device in workshop |
| CN208859777U (en) * | 2018-07-27 | 2019-05-14 | 靖江市易凯通风设备有限公司 | A kind of split type fresh air ventilator |
| CN110043969A (en) * | 2019-05-13 | 2019-07-23 | 西安航天神舟建筑设计院有限公司 | A kind of air handling system |
-
2020
- 2020-11-02 CN CN202011203111.4A patent/CN112325401A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1171521A (en) * | 1996-05-24 | 1998-01-28 | 株式会社荏原制作所 | Air conditioning system |
| CN1178307A (en) * | 1996-10-01 | 1998-04-08 | 三菱电机株式会社 | Dry air generator without Chemical substances |
| JP2003247732A (en) * | 2002-02-25 | 2003-09-05 | Ohbayashi Corp | Desiccant air conditioner |
| CN205415353U (en) * | 2016-03-21 | 2016-08-03 | 湖北宝塔研磨有限公司 | Dust extraction for coated abrasive machining |
| CN205783476U (en) * | 2016-05-27 | 2016-12-07 | 范文和 | A kind of chilling air conditioning system |
| CN206905497U (en) * | 2017-06-12 | 2018-01-19 | 沈文伟 | A kind of carpet hair dryer |
| CN207667416U (en) * | 2017-11-28 | 2018-07-31 | 广西荔浦农乐微力大生物科技有限公司 | A kind of microbial bacterial agent production deodorizing device |
| CN208859777U (en) * | 2018-07-27 | 2019-05-14 | 靖江市易凯通风设备有限公司 | A kind of split type fresh air ventilator |
| CN208750876U (en) * | 2018-08-28 | 2019-04-16 | 江西开元安福火腿有限责任公司 | A kind of ham air-dries the dehumidification device in workshop |
| CN110043969A (en) * | 2019-05-13 | 2019-07-23 | 西安航天神舟建筑设计院有限公司 | A kind of air handling system |
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Application publication date: 20210205 |