CN115164298A - Control system and method for cooling and heating fan - Google Patents
Control system and method for cooling and heating fan Download PDFInfo
- Publication number
- CN115164298A CN115164298A CN202210618027.1A CN202210618027A CN115164298A CN 115164298 A CN115164298 A CN 115164298A CN 202210618027 A CN202210618027 A CN 202210618027A CN 115164298 A CN115164298 A CN 115164298A
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- China
- Prior art keywords
- fan
- plate
- humidifier
- control system
- heating
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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
- F24F5/0096—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 combined with domestic apparatus
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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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
-
- 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
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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
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/12—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air
- F24F6/14—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air using nozzles
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, 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
- F24F8/108—Treatment, 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 using dry filter elements
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/90—Cleaning of purification apparatus
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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]
- Y02B30/54—Free-cooling systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Dispersion Chemistry (AREA)
- Human Computer Interaction (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a control system and a control method of a cooling and heating fan, and relates to the technical field of cooling and heating fans. The invention comprises a fan shell and a controller, wherein a humidifier is arranged in the fan shell, a heating plate is arranged at the top, a refrigerating plate is arranged at the bottom, a baffle plate is rotationally matched at one side of the humidifier, a filtering plate is fixed at one end of the fan shell, a brush roller is slidably and rotationally matched at one side of the filtering plate, and a protective blocking net is arranged at the other end of the fan shell. The humidifier can conveniently humidify blown air under the action of the humidifier, improve the humidity of the air, conveniently heat the air under the action of the heating plate, further enable the device to blow out warm air, conveniently refrigerate the air under the action of the refrigerating plate, further enable the device to blow out cold air, and conveniently plug an opening between the humidifier and the heating plate or an opening between the humidifier and the refrigerating plate under the rotating action of the baffle plate.
Description
Technical Field
The invention belongs to the technical field of cooling and heating fans, and particularly relates to a control system and a control method of a cooling and heating fan.
Background
The cold and warm air blower is a device capable of changing the indoor temperature, the temperature most suitable for the survival of people is constant, but the temperature cannot be constant all the year round, and when the people are cold or hot, the temperature can be constant by the cold and warm air blower;
the existing cooling and heating fan is inconvenient to convert cooling and heating air according to the change of ambient temperature in the using process, and meanwhile, the cooling and heating fan is easily influenced by foreign matters in the air in the working process, so that the cooling and heating fan is damaged.
Disclosure of Invention
The invention aims to provide a control system and a control method of a cooling and heating fan, which solve the technical problems that the existing cooling and heating fan is inconvenient to convert according to the ambient temperature and is easily influenced by foreign matters in the air to cause damage.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the utility model provides a control system of cold and warm air blower, includes fan shell and controller, and the inside of fan shell is equipped with the humidifier, the top is equipped with the hot plate, the bottom is equipped with the refrigeration board, and one side normal running fit of humidifier has the baffle, and the one end of fan shell is fixed with the filter, and one side of filter slides and normal running fit has the brush roller, and the other end of fan shell is equipped with the protection and keeps off the net.
Optionally, a nozzle is provided at one side of the humidifier.
Optionally, the inside normal running fit of fan shell has the rotary column, and the lateral part at the rotary column is fixed to the baffle.
Optionally, a servo motor is arranged on the outer side of the fan shell, and the baffle is arranged at the output end of the servo motor.
Optionally, a support frame is fixed inside the fan shell, and a fan is rotatably matched with the first side of the support frame.
Optionally, the second side of the supporting frame is provided with a second motor, and the fan is arranged at the output end of the second motor.
Optionally, four mounting blocks are fixed between the protective barrier net and the fan shell, and the four mounting blocks are located at four corners of one end of the fan shell with an opening.
Optionally, one side sliding fit of filter has two spring slide bars, and spring slide bar's one end is fixed with the supporting shoe, and the brush roller normal running fit is between two supporting shoes.
Optionally, a third motor is mounted on one side of the support block, and one end of the brush roller is mounted on an output end of the third motor.
A control method of a cooling and heating fan comprises the following steps:
step one, a monitoring module monitors the environment condition and sends the monitored data to a data processing module;
step two, the data processing module processes the data, sends the processed data to the data storage module for storage, and simultaneously can send corresponding instructions to the control module;
and step three, the control module controls the opening and closing processes of the heating plate, the refrigerating plate or the baffle plate through the controller, starts the refrigerating plate and enables the heating plate to be in a shutdown state when the ambient temperature is high, blocks an opening between the humidifier and the heating plate through the rotation action of the baffle plate to enable the humidifier to blow out cold air, starts the heating plate and enables the refrigerating plate to be in a shutdown state when the ambient temperature is low, and blocks the opening between the humidifier and the refrigerating plate through the rotation action of the baffle plate to enable the humidifier to blow out warm air.
The embodiment of the invention has the following beneficial effects:
according to the embodiment of the invention, the blown air is conveniently humidified under the action of the humidifier, the humidity of the air is improved, the air is conveniently heated under the action of the heating plate, the device can blow warm air, the air is conveniently refrigerated under the action of the refrigerating plate, the device can blow cold air, the opening between the humidifier and the heating plate or the opening between the humidifier and the refrigerating plate is conveniently blocked under the rotating action of the baffle plate, the air flowing in the fan shell can be conveniently heated by the heating plate or refrigerated by the refrigerating plate, floating substances in the air can be conveniently shielded under the action of the filtering plate, the influence of the floating substances entering the fan shell on the device is reduced, sundries adhered to the surface of the filtering plate can be conveniently cleaned under the action of the brush roller, the humidifier, the heating plate and the refrigerating plate can be conveniently protected under the action of the protective blocking net, and the possibility that animals enter the fan shell and influence on equipment in the fan shell can be reduced.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a cross-sectional front view of an embodiment of the present invention;
FIG. 3 is a cross-sectional right side view of an embodiment of the present invention;
fig. 4 is a control flow diagram according to an embodiment of the invention.
Wherein the figures include the following reference numerals:
the fan comprises a fan shell 1, a humidifier 2, a heating plate 3, a refrigerating plate 4, a rotating column 5, a baffle 6, a first motor 7, a mounting block 8, a supporting frame 9, a fan 10, a filtering plate 11, a nozzle 12, a spring slide bar 13, a supporting block 14, a brush roller 15 and a protective blocking net 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
In order to keep the following description of the embodiments of the invention clear and concise, a detailed description of known functions and known parts of the invention is omitted.
Referring to fig. 1-4, in the present embodiment, a control system of a cooling and heating fan is provided, including a fan housing 1 and a controller, a humidifier 2 is disposed inside the fan housing 1, a heating plate 3 is disposed at the top, a refrigerating plate 4 is disposed at the bottom, a baffle 6 is rotatably fitted to one side of the humidifier 2, a filter plate 11 is fixed to one end of the fan housing 1, a brush roller 15 is slidably and rotatably fitted to one side of the filter plate 11, and a protective screen 16 is disposed at the other end of the fan housing 1.
It should be noted that all the electric devices involved in the present application may be powered by a storage battery or an external power source.
The convenient humidification operation of the wind that blows out of effect through humidifier 2, improve the humidity of wind, the effect through hot plate 3 is convenient to heat the operation to the air, and then can let the device blow off the warm braw, the operation of conveniently refrigerating the air through refrigeration plate 4, and then enable the device to blow off cold wind, the rotation effect through baffle 6 is convenient to carry out the shutoff to the opening between humidifier 2 and hot plate 3 or the opening between humidifier 2 and refrigeration plate 4, and then make things convenient for the air in the circulation fan casing 1 to be heated by hot plate 3 or refrigerate the operation by refrigeration plate 4, the effect through filter 11 is convenient to shelter from to showy material in the air, reduce the influence that floater got into to the device production in the fan casing 1, convenient clear up the debris that the adhesion is on filter 11 surface through the effect of brush roller 15, convenient to humidifier 2, hot plate 3, refrigeration plate 4 protects through the effect of protection fender net 16, can reduce the animal and get into fan casing 1 simultaneously, and produce the possibility of influence to the equipment in the fan casing 1.
Referring to fig. 2, a nozzle 12 is disposed at one side of the humidifier 2 according to this embodiment, and the water mist generated by the humidifier 2 is conveniently sprayed into the air through the nozzle 12.
Referring to fig. 1-2, a rotary column 5 is rotatably fitted inside a fan housing 1 of the present embodiment, a baffle 6 is fixed at a side portion of the rotary column 5, a servo motor 7 is disposed outside the fan housing 1, the baffle 6 is mounted at an output end of the servo motor 7, and the baffle 6 is conveniently driven to rotate under the action of the servo motor 7, so as to conveniently adjust a blocking state of the baffle 6.
Referring to fig. 2, a support frame 9 is fixed inside the blower housing 1 of the present embodiment, a fan 10 is rotatably fitted on a first side of the support frame 9, a second motor is mounted on a second side of the support frame 9, the fan 10 is mounted on an output end of the second motor, and the fan 10 is conveniently driven to rotate by the action of the second motor, so as to facilitate the blowing operation.
Referring to fig. 1-2, four mounting blocks 8 are fixed between the protective barrier 16 and the fan casing 1, and the four mounting blocks 8 are located at four corners of an opening at one end of the fan casing 1.
Please refer to fig. 3, one side of the filter plate 11 of the present embodiment is slidably fitted with two spring sliding rods 13, specifically, one side of the filter plate 11 is provided with two sliding grooves, the inside of the two sliding grooves is slidably fitted with a sliding block, the spring sliding rods are installed at one side of the sliding block, one end of the spring sliding rods 13 is fixed with a supporting block 14, the brush roller 15 is rotatably fitted between the two supporting blocks 14, one side of the supporting block 14 is installed with a third motor, and one end of the brush roller 15 is installed at an output end of the third motor, the brush roller 15 is conveniently driven to rotate through the action of the third motor, so as to facilitate the cleaning action of the brush roller 15 on one side of the filter plate 11, the brush roller can be always in a fitting state with the filter plate through the action of the spring sliding rods, and the cleaning action of the brush roller 15 on the filter plate 11 is improved.
The control system of the cooling and heating fan also comprises: the device comprises a monitoring module, a data processing module, a control module, a data storage module and a display module;
the monitoring module is used for monitoring the temperature and the humidity of the environment;
the data processing module is used for processing the data monitored by the monitoring module and sending a corresponding instruction to the control module according to the processed result;
the control module controls the opening and closing processes of the controller, the heating plate 3, the refrigerating plate 4 and the baffle 6 according to an instruction sent by the data processing module.
Referring to fig. 4, the data storage module of this embodiment is used to store the processed data and form memory, so as to conveniently send the same instruction to the control module again;
the display module is used for displaying the data monitored by the monitoring module.
A control method of a cooling and heating fan comprises the following steps:
the method comprises the following steps that firstly, a monitoring module monitors the environment condition and sends monitored data to a data processing module;
step two, the data processing module processes the data, sends the processed data to the data storage module for storage, and can send corresponding instructions to the control module;
and step three, the control module controls the opening and closing processes of the heating plate 3, the refrigerating plate 4 or the baffle 6 through the controller, starts the refrigerating plate 4 and enables the heating plate 3 to be in a stop state when the ambient temperature is high, blocks an opening between the humidifier 2 and the heating plate 3 through the rotating action of the baffle 6 to blow out cold air, starts the heating plate 3 and enables the refrigerating plate 4 to be in a stop state when the ambient temperature is low, and blocks an opening between the humidifier 2 and the refrigerating plate 4 through the rotating action of the baffle 6 to blow out warm air.
The spring slide bar comprises a barrel body and a bar body, wherein the bar body is in sliding fit in the barrel body, and a spring is arranged between the bar body and the bottom of the barrel body.
The above embodiments may be combined with each other.
It should be noted that in the description of the present specification, descriptions such as "first", "second", etc. are only used for distinguishing features, and do not have an actual order or meaning, and the present application is not limited thereto.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A control system of a cooling and heating fan is characterized by comprising: fan shell (1) and controller, the inside of fan shell (1) is equipped with humidifier (2), the top is equipped with hot plate (3), the bottom is equipped with refrigeration board (4), one side normal running fit of humidifier (2) has baffle (6), the one end of fan shell (1) is fixed with filter (11), one side slip and normal running fit of filter (11) have brush roller (15), the other end of fan shell (1) is equipped with protection and keeps off net (16).
2. A control system for a cold-and-warm air blower according to claim 1, characterized in that the humidifier (2) is provided with a nozzle (12) on one side.
3. A control system for a fan heater/cooler according to claim 1, characterised in that the fan housing (1) is fitted inside with a rotating post (5) in a rotating manner, and the baffle (6) is fixed to the side of the rotating post (5).
4. A control system for cold and warm air blowers according to claim 3, characterized in that a servo motor (7) is arranged outside the blower housing (1), and the baffle (6) is arranged at the output end of the servo motor (7).
5. A control system for a fan heater/cooler according to claim 1, characterised in that a support frame (9) is fixed inside the fan housing (1), and a fan (10) is rotatably fitted to a first side of the support frame (9).
6. A control system for a fan and heater according to claim 5, characterised in that the second side of the support frame (9) is provided with a second motor and the fan (10) is provided at the output of the second motor.
7. A cooling and warming fan according to claim 1, characterized in that four mounting blocks (8) are fixed between the protective screen (16) and the fan housing (1), and the four mounting blocks (8) are located at four corners of the fan housing (1) with one end open.
8. A control system for cold and warm air blowers according to claim 1, characterized in that two spring rods (13) are slidably fitted to one side of the filter plate (11), a support block (14) is fixed to one end of the spring rods (13), and the brush roller (15) is rotatably fitted between the two support blocks (14).
9. The control system of a cooling and heating fan according to claim 7, characterized in that one side of the support block (14) is provided with a third motor, and one end of the brush roller (15) is provided at the output end of the third motor.
10. A control method of a cooling and heating fan is characterized by comprising the following steps:
the method comprises the following steps that firstly, a monitoring module monitors the environment condition and sends monitored data to a data processing module;
step two, the data processing module processes the data, sends the processed data to the data storage module for storage, and can send corresponding instructions to the control module;
and thirdly, the control module controls the opening and closing processes of the heating plate (3), the refrigerating plate (4) or the baffle (6) through the controller, the refrigerating plate (4) is started and the heating plate (3) is in a stop state when the ambient temperature is high, an opening between the humidifier (2) and the heating plate (3) is blocked through the rotating action of the baffle (6) to blow out cold air, the heating plate (3) is started and the refrigerating plate (4) is in the stop state when the ambient temperature is low, and the opening between the humidifier (2) and the refrigerating plate (4) is blocked through the rotating action of the baffle (6) to blow out warm air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210618027.1A CN115164298A (en) | 2022-06-01 | 2022-06-01 | Control system and method for cooling and heating fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210618027.1A CN115164298A (en) | 2022-06-01 | 2022-06-01 | Control system and method for cooling and heating fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115164298A true CN115164298A (en) | 2022-10-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210618027.1A Pending CN115164298A (en) | 2022-06-01 | 2022-06-01 | Control system and method for cooling and heating fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115164298A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6202429B1 (en) * | 1996-03-05 | 2001-03-20 | Phoenix Manufacturing Inc. | Heating and cooling unit |
| CN108548230A (en) * | 2018-04-23 | 2018-09-18 | 卞毓平 | A kind of air cleaning unit and its working method |
| CN207919462U (en) * | 2018-03-07 | 2018-09-28 | 山东百姓保洁有限公司 | A kind of combined road cleaning rolling brush |
| CN208493585U (en) * | 2018-04-25 | 2019-02-15 | 上海夕田科技有限公司 | A kind of new-energy automobile air filter system |
| CN109798612A (en) * | 2018-12-04 | 2019-05-24 | 郑州正大建筑技术有限公司 | A kind of indoor environment ventilation device |
| CN209696985U (en) * | 2019-01-25 | 2019-11-29 | 合肥禾源粮油有限公司 | A kind of collection device for rice production line inlet |
| CN111351218A (en) * | 2018-12-24 | 2020-06-30 | 广州杰能空调设备有限公司 | Air-purifying's electric fan heater |
| CN210921640U (en) * | 2019-09-27 | 2020-07-03 | 安徽天辉实验室设备有限公司 | Laboratory purification area air supply purifier |
| CN212205061U (en) * | 2020-05-26 | 2020-12-22 | 唐山鑫盛环保科技有限公司 | Self-temperature-control superconductive warm air blower |
| CN112229011A (en) * | 2020-10-16 | 2021-01-15 | 四川纯阳润森节能环保有限公司 | Air purification device convenient to install and used for hospital |
| CN215647131U (en) * | 2021-08-06 | 2022-01-25 | 狄氏光电科技(苏州)有限公司 | Indoor projecting apparatus of good heat dissipation's high definition |
| CN216314630U (en) * | 2021-10-20 | 2022-04-19 | 广州动福源畜牧设备有限公司 | Intelligent automatic environmental control system for hog house |
-
2022
- 2022-06-01 CN CN202210618027.1A patent/CN115164298A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6202429B1 (en) * | 1996-03-05 | 2001-03-20 | Phoenix Manufacturing Inc. | Heating and cooling unit |
| CN207919462U (en) * | 2018-03-07 | 2018-09-28 | 山东百姓保洁有限公司 | A kind of combined road cleaning rolling brush |
| CN108548230A (en) * | 2018-04-23 | 2018-09-18 | 卞毓平 | A kind of air cleaning unit and its working method |
| CN208493585U (en) * | 2018-04-25 | 2019-02-15 | 上海夕田科技有限公司 | A kind of new-energy automobile air filter system |
| CN109798612A (en) * | 2018-12-04 | 2019-05-24 | 郑州正大建筑技术有限公司 | A kind of indoor environment ventilation device |
| CN111351218A (en) * | 2018-12-24 | 2020-06-30 | 广州杰能空调设备有限公司 | Air-purifying's electric fan heater |
| CN209696985U (en) * | 2019-01-25 | 2019-11-29 | 合肥禾源粮油有限公司 | A kind of collection device for rice production line inlet |
| CN210921640U (en) * | 2019-09-27 | 2020-07-03 | 安徽天辉实验室设备有限公司 | Laboratory purification area air supply purifier |
| CN212205061U (en) * | 2020-05-26 | 2020-12-22 | 唐山鑫盛环保科技有限公司 | Self-temperature-control superconductive warm air blower |
| CN112229011A (en) * | 2020-10-16 | 2021-01-15 | 四川纯阳润森节能环保有限公司 | Air purification device convenient to install and used for hospital |
| CN215647131U (en) * | 2021-08-06 | 2022-01-25 | 狄氏光电科技(苏州)有限公司 | Indoor projecting apparatus of good heat dissipation's high definition |
| CN216314630U (en) * | 2021-10-20 | 2022-04-19 | 广州动福源畜牧设备有限公司 | Intelligent automatic environmental control system for hog house |
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