CN112393344A - Air conditioner - Google Patents
Air conditioner Download PDFInfo
- Publication number
- CN112393344A CN112393344A CN202011331793.7A CN202011331793A CN112393344A CN 112393344 A CN112393344 A CN 112393344A CN 202011331793 A CN202011331793 A CN 202011331793A CN 112393344 A CN112393344 A CN 112393344A
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- CN
- China
- Prior art keywords
- indoor
- air
- air inlet
- fresh air
- temperature
- 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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- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000005057 refrigeration Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- 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
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
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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]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an air conditioner, comprising: the air conditioner comprises an air duct, a heat exchange device, an outdoor fresh air inlet, a temperature detection device, an air valve assembly and a controller, wherein the air duct is provided with an indoor air outlet and an indoor air return inlet, the heat exchange device is arranged on the air duct, the outdoor fresh air inlet is arranged on the air duct, the temperature detection device is used for detecting fresh air temperature and indoor temperature, the air valve assembly is used for opening and closing the outdoor fresh air inlet and the indoor air return inlet, and the controller is used. The invention can control the heat exchange device and the air valve component to open and close the outdoor fresh air inlet and the indoor return air inlet according to the temperature detected by the temperature detection device to adjust the indoor air quality, namely, a fresh air circulating system does not need to be additionally arranged, the equipment cost is reduced, and meanwhile, the outdoor fresh air inlet and the indoor return air inlet can be switched according to the fresh air temperature and the indoor temperature, thereby achieving the optimal heat exchange efficiency and saving the energy consumption as much as possible.
Description
Technical Field
The invention relates to the field of air conditioners, in particular to an air conditioner.
Background
The fan is used in closed spaces such as a refrigeration house and the like, return air is generally adopted as inlet air, and the air quality is poor and peculiar smell is generated after the operation time is longer; a refrigeration house with higher air quality requirement is usually provided with a fresh air circulating system independently, but the independent arrangement of the fresh air circulating system can cause the problems of high energy consumption of the refrigerating system, high manufacturing cost of the refrigeration house, complex control and the like.
Disclosure of Invention
The invention provides an air conditioner, aiming at solving the technical problem of poor air quality caused by continuous heat exchange in a closed space in the prior art.
The technical scheme adopted by the invention is as follows:
the present invention provides an air conditioner, including: the air conditioner comprises an air duct, a heat exchange device, an outdoor fresh air inlet, a temperature detection device, an air valve assembly and a controller, wherein the air duct is provided with an indoor air outlet and an indoor air return inlet, the heat exchange device is arranged on the air duct, the outdoor fresh air inlet is arranged on the air duct, the temperature detection device is used for detecting fresh air temperature and indoor temperature, the air valve assembly is used for opening and closing the outdoor fresh air inlet and the indoor air return inlet, and the controller is used.
And the air conditioner enters a full-automatic operation mode, when the fresh air temperature is higher than the sum of the indoor highest preset limit value and the preset control deviation value, the controller controls the air valve assembly to close the outdoor fresh air inlet, open the indoor return air inlet and operate the heat exchange device to refrigerate.
When the fresh air temperature is greater than the indoor highest preset limit value and less than the sum of the indoor highest preset limit value and the preset control deviation value; and judging whether the indoor temperature is higher than the fresh air temperature, if so, opening the outdoor fresh air inlet and the indoor return air inlet, and operating the heat exchange device to refrigerate. If not, the outdoor fresh air inlet is closed, the indoor return air inlet is opened, and the heat exchange device is operated to refrigerate.
And when the fresh air temperature is greater than the indoor minimum preset limit value and less than the indoor maximum preset limit value, opening the outdoor fresh air inlet, closing the indoor air return inlet and closing the heat exchange device.
And when the fresh air temperature is less than or equal to the indoor minimum preset limit value, judging whether the indoor temperature is greater than the average value of the indoor minimum preset limit value and the indoor maximum preset limit value, if so, opening the outdoor fresh air inlet, closing the indoor return air inlet, and closing the heat exchange device. If not, closing the outdoor fresh air inlet, the indoor return air inlet and the heat exchange device.
And when the air conditioner is switched to a fresh air mode, the outdoor fresh air inlet is opened, the indoor return air inlet is closed, and the heat exchange device is opened.
And when the air conditioner is switched to the full return air mode, the outdoor fresh air inlet is closed, the indoor return air inlet is opened, and the heat exchange device is operated to refrigerate.
Preferably, the air conditioner is an air cooler.
Compared with the prior art, the invention can control the heat exchange device and the air valve component to open and close the outdoor fresh air inlet and the indoor return air inlet according to the temperature detected by the temperature detection device so as to adjust the indoor air quality. Need not add in addition new trend circulation system promptly, reduce equipment cost, can switch over outdoor fresh air inlet and indoor return air inlet according to new trend temperature and indoor temperature simultaneously, reach optimal heat exchange efficiency, practice thrift the energy consumption as far as possible.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described 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 to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a block diagram of an operational mode in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the rear end of the air cooler in the embodiment of the invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The principles and construction of the present invention will be described in detail below with reference to the drawings and examples.
The present invention provides an air conditioner, including: the air conditioner comprises an air duct, a heat exchanger, a temperature detection device, an air valve assembly and a controller. The heat exchanger sets up in the wind channel, is equipped with indoor air outlet, indoor return air inlet and outdoor fresh air inlet on the wind channel, forms the circulation wind channel and the new trend wind channel that all pass through the heat exchanger, and the blast gate subassembly is close to outdoor fresh air inlet and indoor return air inlet setting, but switch outdoor fresh air inlet and indoor return air inlet, and temperature-detecting device is used for detecting new trend temperature and indoor temperature. The controller can control the heat exchange device and the air valve component to open and close the outdoor fresh air inlet and the indoor return air inlet according to the temperature detected by the temperature detection device so as to adjust the indoor air quality. Need not add in addition new trend circulation system promptly, reduce equipment cost, can switch over outdoor fresh air inlet and indoor return air inlet according to new trend temperature and indoor temperature simultaneously, reach optimal heat exchange efficiency, practice thrift the energy consumption as far as possible.
In a specific embodiment, the air conditioner is specifically an air cooler, the air valve assembly comprises a fresh air valve and an air return valve, and the indoor air return opening and the outdoor air return opening can be respectively opened and closed through the fresh air valve and the air return valve. The temperature detection device comprises an indoor temperature sensor and an outdoor temperature sensor, so that the fresh air temperature and the indoor temperature can be respectively detected.
As shown in FIG. 1, the present invention has three switchable operation modes, specifically, a full-fresh air mode, a full-return air mode and a full-automatic operation mode.
The specific control mode of the full-automatic operation mode is as follows:
Tnew＞THeight of+. DELTA.T, i.e. when the fresh air temperature TNewGreater than the indoor maximum preset limit value THeight ofWhen the sum of the control deviation value delta T and the preset control deviation value delta T is obtained, the controller controls the air valve assembly to close the outdoor fresh air port, open the indoor return air port and operate the heat exchange device to carry out refrigeration, and in the state, because the fresh air temperature is too high, the energy consumption of refrigeration equipment is too low (the fresh air load is also counteracted) due to the fact that fresh air is introduced as the air inlet of the air cooler easily, and meanwhile, the energy consumption of the refrigeration equipment is possibly causedThe cooling speed of the cold storage is relatively low, so that the fresh air valve is closed, and the full return air is used for refrigerating.
THeight of＜TNew≤THeight of+. DELTA.T, i.e. when the fresh air temperature TNewGreater than the indoor maximum preset limit value THeight ofAnd is less than the indoor highest preset limit value THeight ofThe sum of the preset control deviation value delta T;
judging the indoor temperature TLibraryWhether it is higher than the fresh air temperature TNewIf, TLibrary＞TNewOpening an outdoor fresh air inlet and an indoor return air inlet, and operating a heat exchange device to refrigerate; at the moment, the temperature of the fresh air is higher than the allowable maximum storage temperature value THeight ofAt the moment, the fresh air temperature is T higher than the actual storage temperatureLibraryTherefore, the fresh air valve is opened, the fresh air is introduced to reduce the air inlet temperature of the air cooler, and the fresh air is cooled to run, so that certain energy-saving effect is achieved.
Up to TLibrary≤TNewClosing the outdoor fresh air inlet, opening the indoor return air inlet, operating the heat exchange device to refrigerate along with the actual warehouse temperature TLibraryThe fresh air gradually loses the effect of reducing the air inlet temperature of the air cooler, so that the fresh air valve is closed, the return air valve is opened, and the full-return-air refrigeration operation is more energy-saving than the full-fresh air operation.
TIs low in＜TNew≤THeight ofWhen the temperature of fresh air TNewGreater than the indoor minimum preset limit value TIs low inAnd is less than the indoor highest preset limit value THeight ofAnd when the fresh air temperature is just within the set allowable storage temperature range, the fresh air valve is opened, the refrigeration equipment is closed, the fresh air is ventilated and operates, energy and power are saved, and higher air quality is kept in the refrigeration storage.
TNew≤TIs low inWhen the temperature of fresh air TNewLess than the indoor minimum preset limit value TIs low inWhen the current is over;
Tlibrary＞（THeight of+ TIs low in) /2, judging whether the indoor temperature is greater than the level of the indoor minimum preset limit value and the indoor maximum preset limit valueIf the average value is positive, opening the outdoor fresh air inlet, closing the indoor return air inlet and closing the heat exchange device so as to reduce the actual warehouse temperature TLibraryAnd energy consumption is saved.
Up to TLibrary≤（THeight of+ TIs low in) And/2, closing the outdoor fresh air inlet, the indoor return air inlet and the heat exchange device, and preserving heat indoors.
When the air conditioner is switched to a fresh air mode, the outdoor fresh air inlet is opened, the indoor return air inlet is closed, and the heat exchange device is opened. When the air conditioner is switched to the full-return-air mode, the outdoor fresh air inlet is closed, the indoor return air inlet is opened, the heat exchange device is operated to refrigerate, and the cold energy is recycled through full-return-air circulation, so that the air cooler normally operates.
In a specific embodiment, the air conditioner of the present invention is an air cooler, and is specifically applied to a refrigeration house, as shown in fig. 2, the rear end of the air cooler 1 is provided with an indoor return air inlet for returning air from below and an outdoor fresh air inlet for supplying air from the side, and the air conditioner has a simple structure and does not need to be provided with a fresh air circulation system separately. Heat transfer device and indirect heating equipment intercommunication in the air-cooler, this part is the same with the air-cooler among the prior art, does not specifically describe.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An air conditioner, comprising: the wind channel that is equipped with indoor air outlet and indoor return air inlet sets up the heat transfer device on the wind channel, its characterized in that still includes: the air conditioner comprises an outdoor fresh air inlet arranged on an air duct, a temperature detection device for detecting fresh air temperature and indoor temperature, an air valve assembly for opening and closing the outdoor fresh air inlet and the indoor return air inlet, and a controller for adjusting indoor air quality according to the temperature switch heat exchange device and the air valve assembly.
2. The air conditioner as claimed in claim 1, wherein the air conditioner enters a full automatic operation mode, and when the temperature of fresh air is greater than the sum of a maximum indoor preset limit value and a preset control deviation value, the controller controls the air valve assembly to close the outdoor fresh air inlet, open the indoor return air inlet, and operate the heat exchange device to perform cooling.
3. The air conditioner as claimed in claim 2, wherein when the temperature of the fresh air is greater than the indoor maximum predetermined limit value and less than the sum of the indoor maximum predetermined limit value and the predetermined control deviation value; and judging whether the indoor temperature is higher than the fresh air temperature, if so, opening the outdoor fresh air inlet and the indoor return air inlet, and operating the heat exchange device to refrigerate.
4. The air conditioner as claimed in claim 3, wherein if not, the outdoor fresh air inlet is closed, the indoor return air inlet is opened, and the heat exchanging means is operated to perform cooling.
5. The air conditioner as claimed in claim 2, wherein when the temperature of the fresh air is greater than the indoor minimum preset limit value and less than the indoor maximum preset limit value, the outdoor fresh air inlet is opened, the indoor return air inlet is closed, and the heat exchanging device is closed.
6. The air conditioner as claimed in claim 3, wherein when the fresh air temperature is less than or equal to the indoor minimum preset limit value, it is determined whether the indoor temperature is greater than the average of the indoor minimum preset limit value and the indoor maximum preset limit value, and if so, the outdoor fresh air inlet is opened, the indoor return air inlet is closed, and the heat exchange device is closed.
7. The air conditioner according to claim 6, wherein if not, the outdoor fresh air inlet, the indoor return air inlet and the heat exchanging means are closed.
8. The air conditioner as claimed in claim 2, wherein the air conditioner opens the outdoor fresh air inlet, closes the indoor return air inlet, and opens the heat exchanging means when switching to the fresh air mode.
9. The air conditioner as claimed in claim 2, wherein the air conditioner is switched to the full return air mode by closing the outdoor fresh air inlet, opening the indoor return air inlet, and operating the heat exchanging means to perform cooling.
10. The air conditioner of claim 1, wherein the air conditioner is an air cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011331793.7A CN112393344A (en) | 2020-11-24 | 2020-11-24 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011331793.7A CN112393344A (en) | 2020-11-24 | 2020-11-24 | Air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112393344A true CN112393344A (en) | 2021-02-23 |
Family
ID=74606215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011331793.7A Withdrawn CN112393344A (en) | 2020-11-24 | 2020-11-24 | Air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112393344A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115654591A (en) * | 2022-10-13 | 2023-01-31 | 中铁第四勘察设计院集团有限公司 | Energy-saving intelligent combined air conditioning unit |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001193991A (en) * | 2000-01-12 | 2001-07-17 | Mitsubishi Electric Corp | Heat exchanger ventilator |
| CN101440984A (en) * | 2008-12-16 | 2009-05-27 | 中山大学 | Communication base station energy-saving air conditioner unit and airflow regulating method thereof |
| CN203385088U (en) * | 2013-06-17 | 2014-01-08 | 南京天加空调设备有限公司 | Energy-saving yearly refrigeration air conditioner |
| CN108489016A (en) * | 2018-01-31 | 2018-09-04 | 青岛海尔空调电子有限公司 | A kind of control method and device that air-conditioning is adaptive |
| CN109556248A (en) * | 2018-11-06 | 2019-04-02 | 青岛海尔空调电子有限公司 | The operation mode control method of air-conditioning system |
| CN110186147A (en) * | 2019-06-17 | 2019-08-30 | 宁波奥克斯电气股份有限公司 | A kind of air conditioner fresh air refrigeration control method and air conditioner |
| CN110608500A (en) * | 2019-10-18 | 2019-12-24 | 珠海格力电器股份有限公司 | Adjustable fresh air machine and control method thereof |
-
2020
- 2020-11-24 CN CN202011331793.7A patent/CN112393344A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001193991A (en) * | 2000-01-12 | 2001-07-17 | Mitsubishi Electric Corp | Heat exchanger ventilator |
| CN101440984A (en) * | 2008-12-16 | 2009-05-27 | 中山大学 | Communication base station energy-saving air conditioner unit and airflow regulating method thereof |
| CN203385088U (en) * | 2013-06-17 | 2014-01-08 | 南京天加空调设备有限公司 | Energy-saving yearly refrigeration air conditioner |
| CN108489016A (en) * | 2018-01-31 | 2018-09-04 | 青岛海尔空调电子有限公司 | A kind of control method and device that air-conditioning is adaptive |
| CN109556248A (en) * | 2018-11-06 | 2019-04-02 | 青岛海尔空调电子有限公司 | The operation mode control method of air-conditioning system |
| CN110186147A (en) * | 2019-06-17 | 2019-08-30 | 宁波奥克斯电气股份有限公司 | A kind of air conditioner fresh air refrigeration control method and air conditioner |
| CN110608500A (en) * | 2019-10-18 | 2019-12-24 | 珠海格力电器股份有限公司 | Adjustable fresh air machine and control method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115654591A (en) * | 2022-10-13 | 2023-01-31 | 中铁第四勘察设计院集团有限公司 | Energy-saving intelligent combined air conditioning unit |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210223 |
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| WW01 | Invention patent application withdrawn after publication |