CN115899879A - Outdoor spray cooling system and method - Google Patents
Outdoor spray cooling system and method Download PDFInfo
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- 238000001816 cooling Methods 0.000 title claims abstract description 117
- 239000007921 spray Substances 0.000 title claims abstract description 100
- 238000000034 method Methods 0.000 title abstract description 19
- 239000004065 semiconductor Substances 0.000 claims abstract description 62
- 238000005057 refrigeration Methods 0.000 claims abstract description 59
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 238000013021 overheating Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 238000005507 spraying Methods 0.000 claims description 38
- 239000003595 mist Substances 0.000 claims description 26
- 238000013210 evaluation model Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 12
- 238000010248 power generation Methods 0.000 abstract description 12
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 230000003238 somatosensory effect Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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- 230000000750 progressive effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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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
- F24F5/0007—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 cooling apparatus specially adapted for use in air-conditioning
- F24F5/0035—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 cooling apparatus specially adapted for use in air-conditioning using evaporation
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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
- F24F11/62—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
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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
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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
- 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
- F24F5/0046—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 using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0064—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 using natural energy, e.g. solar energy, energy from the ground using solar energy
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
- F24F2110/22—Humidity of the outside air
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/30—Velocity
- F24F2110/32—Velocity of the outside air
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Abstract
The invention relates to an outdoor spray cooling system and method, and belongs to the field of outdoor cooling. The system comprises: the solar cooling system comprises a solar cell panel, a controller, a meteorological parameter detection sensor, a semiconductor refrigeration system and a spray cooling system, wherein the solar cell panel is arranged in a to-be-cooled area in an outdoor thermal environment; the meteorological parameter detection sensor comprises a temperature and humidity sensor and a wind speed sensor. The system and the method utilize the solar panel to supply power; the controller receives the temperature, humidity and wind speed signals acquired by the meteorological parameter detection sensor, calculates a human body comfort level index, judges whether the human body comfort level index is larger than a preset overheating threshold value or not, and if yes, starts the semiconductor refrigeration system and the spray cooling system to carry out outdoor cooling. The system and the method of the invention can rapidly improve the regional thermal environment under the condition of ensuring the comfort of human body, and have obvious cooling effect; and by utilizing solar photovoltaic power generation and semiconductor refrigeration technologies, energy consumption and environmental pollution are reduced, and the purposes of energy conservation and emission reduction are achieved.
Description
Technical Field
The invention relates to the technical field of outdoor cooling, in particular to an outdoor spray cooling system and method.
Background
In recent years, with the development of cities, the thermal environment of outdoor trips is seriously affected by urban heat islands. The method has important significance for future urban development in order to relieve negative influences caused by urban heat islands and urban local overheating, improve outdoor thermal environment and further improve outdoor human thermal comfort. The bad high temperature weather seriously affects the health and comfort of human body, and the traditional cooling technology is difficult to maintain the requirement of outdoor space on the thermal environment and has extremely high energy consumption. Therefore, the spray cooling system is widely applied to outdoor environment as an active cooling technology with obvious and high-significance transient cooling benefit for specific environment. However, in the operation process of the current spraying system, the spraying system is always continuously operated, which causes resource waste; and the spray may have finished the evaporation process before reaching the cooling area, the cooling effect that the human body felt is not obvious, and excessive spray can lead to human body moist sensation aggravation in the spray environment, reduce human body thermal comfort degree. Therefore, the current spray cooling equipment often has the problems of resource waste caused by continuous operation and unobvious temperature reduction effect of a spray system.
Disclosure of Invention
The invention aims to provide an outdoor spray cooling system and method, which combine solar photovoltaic power generation and semiconductor refrigeration technologies, optimize the initial water temperature of spray, and achieve a remarkable cooling effect while reducing resource waste.
In order to achieve the purpose, the invention provides the following scheme:
an outdoor spray cooling system comprising: the solar cooling system comprises a solar cell panel, a controller, a meteorological parameter detection sensor, a semiconductor refrigeration system and a spray cooling system, wherein the solar cell panel is arranged in a to-be-cooled area in an outdoor thermal environment; the meteorological parameter detection sensor comprises a temperature and humidity sensor and a wind speed sensor;
the solar panel is respectively connected with the controller, the meteorological parameter detection sensor, the semiconductor refrigeration system and the spray cooling system for power supply;
the controller is respectively connected with the meteorological parameter detection sensor, the semiconductor refrigeration system and the spray cooling system.
Optionally, the spray cooling system comprises: the device comprises a water tank, a spraying device, a spraying pipeline and a spray head; the water inlet of the water tank is connected with a city water pipe; the water outlet of the water tank is connected with the inlet of the spraying device; the outlet of the spraying device is connected with a spraying pipeline; the spray head is arranged on the spray pipeline; the semiconductor refrigeration system is connected with the spray pipeline.
Optionally, the outdoor mist cooling system further comprises: a storage battery; the storage battery is connected with the solar panel and is used for storing residual electric energy generated by the solar panel; the storage battery is also respectively connected with the controller, the meteorological parameter detection sensor, the semiconductor refrigeration system and the spray cooling system to supply power for standby.
An outdoor spray cooling method, based on the outdoor spray cooling system, the outdoor spray cooling method comprises the following steps:
the solar panel is used for respectively supplying power to the controller, the meteorological parameter detection sensor, the semiconductor refrigeration system and the spray cooling system;
the controller receives the temperature, humidity and wind speed signals collected by the meteorological parameter detection sensor;
the controller calculates a human body comfort index according to the temperature, humidity and wind speed signals;
the controller judges whether the human body comfort index is larger than a preset overheating threshold value or not;
if the human body comfort index is larger than a preset overheating threshold, the controller starts the semiconductor refrigerating system and the spray cooling system to carry out outdoor cooling, and returns to the step that the controller judges whether the human body comfort index is larger than the preset overheating threshold;
and if the human body comfort index is smaller than or equal to a preset overheating threshold value, the controller does not start or stop operating the semiconductor refrigeration system and the spray cooling system.
Optionally, the controller calculates a human comfort index according to the temperature, humidity, and wind speed signals, and specifically includes:
the controller substitutes the values of the temperature, humidity and wind speed signals into a thermal comfort regression evaluation model
In the middle, the human comfort index I is calculated CHB (ii) a Wherein t is temperature, f is humidity, and v is wind speed.
Optionally, in the step of determining whether the human body comfort index is greater than a preset overheating threshold by the controller, the preset overheating threshold is 75.
Optionally, the controller starts the semiconductor refrigeration system and the mist cooling system carries out outdoor cooling, specifically includes:
the controller starts the semiconductor refrigeration system and the spray cooling system, a spraying device in the spray cooling system sucks water in a water tank into a spray pipeline through a high-pressure water pump, the semiconductor refrigeration system refrigerates the water in the spray pipeline, and the cooled water is sprayed out of a spray head to cool outdoors.
Optionally, the outdoor mist cooling method further includes:
and storing the residual electric energy generated by the solar panel by using a storage battery so as to supply power for standby.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention provides an outdoor spray cooling system and a method, wherein the outdoor spray cooling system comprises: the solar cooling system comprises a solar cell panel, a controller, a meteorological parameter detection sensor, a semiconductor refrigeration system and a spray cooling system, wherein the solar cell panel is arranged in a to-be-cooled area in an outdoor thermal environment; the meteorological parameter detection sensor comprises a temperature and humidity sensor and a wind speed sensor. The solar panel is used for respectively supplying power to the controller, the meteorological parameter detection sensor, the semiconductor refrigeration system and the spray cooling system; the controller receives the temperature, humidity and wind speed signals collected by the meteorological parameter detection sensor and calculates a human body comfort level index, judges whether the human body comfort level index is larger than a preset overheating threshold value or not, and if the human body comfort level index is larger than the preset overheating threshold value, the semiconductor refrigeration system and the spray cooling system are started to carry out outdoor cooling. The system and the method can rapidly improve the regional thermal environment under the condition of ensuring the comfort of human bodies, and have remarkable cooling effect; and by utilizing the solar photovoltaic power generation and semiconductor refrigeration technology, the energy consumption and the environmental pollution are reduced, and the purposes of energy conservation and emission reduction are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments 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 without inventive exercise.
FIG. 1 is a schematic structural diagram of an outdoor mist cooling system according to the present invention;
FIG. 2 is a schematic circuit diagram of an outdoor mist cooling system according to the present invention;
FIG. 3 is a schematic diagram illustrating the principle of an outdoor spray cooling method according to the present invention;
fig. 4 is a schematic diagram of an outdoor mist cooling system according to an embodiment of the present invention.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide an outdoor spray cooling system and method, which combine solar photovoltaic power generation and semiconductor refrigeration technologies, optimize the initial water temperature of spray, and achieve a remarkable cooling effect while reducing resource waste.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
FIG. 1 is a schematic structural diagram of an outdoor mist cooling system according to the present invention; fig. 2 is a schematic circuit connection diagram of an outdoor mist cooling system according to the present invention. Referring to fig. 1 and 2, the outdoor mist cooling system of the present invention includes: the solar cooling system comprises a solar cell panel 1, a controller 2, a meteorological parameter detection sensor 3, a semiconductor refrigeration system 4 and a spray cooling system 5, wherein the solar cell panel 1 is arranged in a to-be-cooled area 7 in an outdoor thermal environment. The meteorological parameter detection sensor 3 includes a temperature and humidity sensor and a wind speed sensor (typically, an anemometer). The semiconductor refrigeration system 4 and the spray cooling system 5 jointly form a semiconductor refrigeration spray system. The outdoor spray cooling system of the invention utilizes solar photovoltaic power generation and semiconductor refrigeration technology, and can be suitable for an open or semi-open outdoor thermal environment in summer, so that a temperature area 7 to be cooled in the outdoor thermal environment can be a bus station waiting area, a high-speed rail platform waiting area, a semi-outdoor dining room or a square rest booth and the like. In the embodiment shown in fig. 4, the area to be cooled 7 is a bus station waiting area.
Referring to fig. 2, the solar panel 1 is respectively connected to the controller 2, the meteorological parameter detection sensor 3, the semiconductor refrigeration system 4, and the mist cooling system 5 for supplying power. The controller 2 is respectively connected with the meteorological parameter detection sensor 3, the semiconductor refrigeration system 4 and the spray cooling system 5.
In practical applications, the outdoor mist cooling system may further include: a storage battery 6; the storage battery 6 is connected with the solar cell panel 1 and is used for storing the residual electric energy generated by the solar cell panel 1. The storage battery 6 is also connected with the controller 2, the meteorological parameter detection sensor 3, the semiconductor refrigeration system 4 and the spray cooling system 5 respectively to supply power for standby.
The solar panel 1 is used for supplying power to the whole system through photovoltaic power generation, wherein after solar energy is converted into electric energy by the solar panel 1, one part of the electric energy is used for driving the meteorological parameter detection sensor 3, the semiconductor refrigeration system 4 and the spray cooling system 5, and the other part of the electric energy enters the energy storage device (such as the storage battery 6) for storage so as to be used in cloudy days or at night, so that the system can run normally in all weather.
The invention relates to an outdoor mist cooling system based on solar system power supply and semiconductor refrigeration technology refrigeration, which utilizes a solar panel 1 to output electric energy and utilizes a storage battery 6 to store redundant electric energy. The temperature, humidity and wind speed are monitored by the meteorological parameter detection sensor 3. The controller 2 carries out calculation and analysis on the captured meteorological parameters to obtain a human body thermal comfort index in the current environment, then judges whether the human body thermal comfort index exceeds a preset threshold value, and if the human body thermal comfort index exceeds the preset threshold value, the semiconductor refrigeration system 4 and the spray cooling system 5 are started to carry out outdoor cooling; and (4) continuously monitoring meteorological parameters, and if the thermal comfort value range of the human body in the thermal environment is met, closing the semiconductor refrigeration and spraying and circularly executing the continuous monitoring of the meteorological parameters.
Referring to fig. 4, the mist cooling system 5 specifically includes: a water tank 501, a spraying device 502, a spraying pipeline 503 and a spray head 504; the water inlet of the water tank 501 is connected with a city water pipe 8; the water outlet of the water tank 501 is connected with the inlet of the spraying device 502; the outlet of the spraying device 502 is connected with a spraying pipeline 503; the spray head 504 is disposed on the spray pipe 503. The semiconductor refrigeration system 4 is also arranged on the spray pipe 503 and is communicated with the spray pipe 503.
Based on the outdoor mist cooling system, the invention also provides an outdoor mist cooling method, referring to fig. 3, the outdoor mist cooling method comprises the following steps:
s1: the solar panel 1 is used for respectively supplying power to the controller 2, the meteorological parameter detection sensor 3, the semiconductor refrigeration system 4 and the spray cooling system 5.
The solar cell panel 1 can perform photoelectric conversion to generate electric energy, the solar cell panel 1 is connected in series to the terminal of the inverter battery, and solar photovoltaic is used for supplying power to system equipment.
S2: the controller 2 receives the temperature, humidity and wind speed signals collected by the meteorological parameter detection sensor 3.
The meteorological parameter detection sensor 3 includes a temperature and humidity sensor and a wind speed sensor (usually, an anemometer), and can acquire environmental parameters such as air temperature, relative humidity, wind speed and the like.
S3: and the controller 2 calculates the human body comfort index according to the temperature, humidity and wind speed signals.
In hot summer outdoor thermal environment, the standard of human thermal comfort is difficult to achieve, and the human thermal comfort index I is calculated through the following thermal comfort regression evaluation model based on the obtained regional environment parameters (temperature, humidity and wind speed) CHB ：
Summer:
in which I CHB Is a human comfort index; t is air temperature, also called temperature (. Degree. C.); f is humidity, typically relative humidity (%); v is wind speed (m/s).
Dividing the human body comfort index into 9 grades of cold, cool, comfortable, warm, hot and cool according to the human body comfort index grade standard of the China weather service bureau, and respectively corresponding to corresponding somatosensory states, wherein the comfort grade (55 < I) CHB Less than or equal to 70) is grade 5 (comfortable, most people feel comfortable), and the comfort grade (70 < I) CHB 75 or less) is grade 6 (warm, most people feel comfortable) Therefore, the preset comfort threshold is set to 55 < I CHB 75 or less, the preset overheating threshold is set to 75, i.e. when I CHB And when the temperature is more than 75 ℃, judging that the human body thermal comfort index exceeds a preset threshold value, namely, starting refrigeration spray to cool, and enabling the human body thermal comfort index to reach a comfortable range.
S4: the controller 2 judges whether the human body comfort index is larger than a preset overheating threshold value; the preset superheat threshold is 75.
The meteorological parameter detection sensor 3 can continuously monitor the regional thermal environment, and when the regional thermal environment does not conform to the human thermal comfort value range, the step S5 is executed; and when the regional thermal environment conforms to the human body thermal comfort value range, closing the spray cooling system 5 and the semiconductor refrigerating system 4 and returning to S4 for continuous monitoring.
S5: if the human body comfort index is larger than the preset overheating threshold, the controller 2 starts the semiconductor refrigeration system 4 and the spray cooling system 5 to carry out outdoor cooling, and the step S4 is returned.
S6: if the human body comfort index is smaller than or equal to the preset overheating threshold value, the controller 2 does not start or stop operating the semiconductor refrigerating system 4 and the spray cooling system 5.
Specifically, the controller 2 starts the semiconductor refrigeration system 4 and the spray cooling system 5, a spraying device 502 in the spray cooling system 5 sucks water in a water tank 501 into a spray pipeline 503 through a high-pressure water pump in the device, the semiconductor refrigeration system 4 refrigerates the water in the spray pipeline 503, and the cooled water is sprayed out of a spray head 504 to be cooled outdoors.
In practical application, the outdoor spray cooling method further comprises the following steps:
and the storage battery 6 is used for storing the residual electric energy generated by the solar panel 1 for standby power supply.
According to the system and the method, by using the solar photovoltaic power generation and semiconductor refrigeration technology, the spraying effect can be greatly improved, meanwhile, the energy consumption can be reduced, the controller 2 can control the meteorological parameter detection sensor 3 to automatically collect and capture the thermal environment parameters of the current region, including the outdoor environment temperature t, the space relative humidity f and the wind speed v, the three parameters are respectively substituted into the thermal comfort regression evaluation model (1), the environmental parameters are analyzed and calculated, whether the current outdoor thermal environment meets the thermal comfort indexes of a human body or not is determined, if the calculation result does not meet the comfort indexes, the semiconductor refrigeration and the spraying cooling are started, and the sensor continuously monitors the environmental parameters and gives feedback during spraying.
The system and the method have more outstanding advantages in the technology for optimizing the spraying effect, the initial temperature of the spraying is reduced in advance through the semiconductor refrigeration technology, the problem that the cooling effect is not obvious due to the fact that the spraying amount is too small and evaporation is carried out in advance is solved, the skin moisture feeling on the surface of a human body caused by the fact that the spraying amount is large is avoided, the spraying efficiency is remarkably improved, and meanwhile, the development and the utilization of clean energy are promoted through photoelectric conversion. On the other hand, the controller 2 can effectively calculate the thermal comfort index of the current environment, and give an electric signal command to guide the start and stop of the system in time, so that unnecessary machine damage and maintenance cost caused by long-time operation of the machine are avoided. Therefore, the outdoor spray cooling system and method based on the solar photovoltaic power generation and semiconductor refrigeration technology can be well suitable for cooling the local area of the outdoor or semi-outdoor space in summer.
Fig. 4 is a schematic diagram of an embodiment of an outdoor mist cooling system according to the present invention. As shown in fig. 4, settle solar photovoltaic power generation board (being solar cell panel 1) above bus waiting area 7, for installing controller 2, the environmental monitoring sensor (being meteorological parameter detection sensor 3), semiconductor refrigerating system 4 and the atomizer 502 that wait area 7 one side at the bus provide the power and support, can carry out stand-by power supply through the electric quantity that battery 6 stored daytime in cloudy day or evening. And the water tank 501 of the spray cooling system 5 is connected with the urban water pipe 8. The spraying device 502 is mounted above the water tank 501. The spraying pipe 503 is led out from the spraying device 502, extends to the upper part of the bus waiting area 7, and sprays spraying liquid drops through the spray head 504. The controller 2 and the meteorological parameter detection sensor 3 are installed above the spraying apparatus 502.
Environmental monitoring sensorThe temperature and humidity sensor and the wind speed sensor which can capture the meteorological information of the thermal environment of the current small region are arranged in the controller 3, and the controller 2 and the sensor 3 calculate and analyze the meteorological parameters through information acquisition and processing, namely the human thermal comfort index I is calculated through the following formula CHB ：
Wherein I CHB Is a human comfort index; t is air temperature, also called temperature (. Degree. C.); f is humidity, typically relative humidity (%); v is the wind speed (m/s).
Dividing the human body comfort index into 9 grades of cold, cool, comfortable, warm, hot and cool according to the human body comfort index grade standard of the China weather service bureau, and respectively corresponding to corresponding somatosensory states, wherein the comfort grade (55 < I) CHB Less than or equal to 70) is grade 5 (comfortable, most people feel comfortable), and the comfort grade (70 < I) CHB 75 or less) is grade 6 (warm, comfortable for most people). Therefore, the present invention sets the preset comfort threshold to 55 < I CHB 75 or less, the preset overheating threshold is set to 75, i.e. when I CHB When the temperature is more than 75 ℃, the thermal comfort index of the human body is judged to exceed the preset threshold value, the controller 2 gives an electric signal, the spray cooling system 5 is started to generate spray, and the semiconductor refrigerating system 4 is started to refrigerate at the same time, so that the initial water temperature of the spray is reduced, and the optimization effect of the spray effect is achieved.
When the initial liquid drops after temperature reduction are sprayed out through the spray nozzle 504, the air temperature of the area thermal environment can be gradually reduced, the human thermal sensation and the thermal comfort are improved, meanwhile, a temperature and humidity sensor and an anemometer which are captured by meteorological parameters acquire new environment information at any time and feed back to the controller 2 in real time, after a period of spraying, the local area temperature t, the relative humidity f and the wind speed v under the bus waiting area are substituted into the thermal comfort regression evaluation model (1), and calculated values are controlled in the human thermal comfort area (55 < I) CHB 75) or less), the controller 2 will send an electrical signal to the semiconductor refrigeration system 4 and the spray cooling systemAnd 5, a temperature system, and further a spray and semiconductor refrigeration device are turned off. After the machine is stopped for a period of time, captured meteorological parameters can be continuously calculated and fed back to the controller 2, if the ambient temperature rises again, the human body thermal comfort range value is repeatedly calculated, and if the human body thermal comfort range is not met, the controller 2 can transmit electric signals to send an opening command to the semiconductor refrigeration equipment (namely, the semiconductor refrigeration system 4) and the spraying equipment (namely, the spraying cooling system 5).
The invention discloses an outdoor spray cooling system and method based on solar photovoltaic power generation and semiconductor refrigeration technology, which utilizes solar photovoltaic power generation to output and store electric energy; monitoring the temperature, humidity and wind speed by using a meteorological parameter detection sensor; calculating and analyzing the captured meteorological parameters to obtain a human body thermal comfort index in the current environment, then judging whether the human body thermal comfort index exceeds a preset threshold value, and if so, starting a semiconductor refrigeration system and a spray cooling system to carry out outdoor cooling; and (4) continuously monitoring meteorological parameters, and if the meteorological parameters accord with a human body thermal comfort value range in a thermal environment, closing refrigeration and spraying. The system and the method can rapidly improve the regional thermal environment under the condition of ensuring the comfort of a human body, and can reduce energy consumption and environmental pollution by utilizing the solar photovoltaic power generation and semiconductor refrigeration technology, thereby achieving the purposes of energy conservation and emission reduction.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principle and the implementation of the present invention are explained herein by applying specific examples, and the above description of the embodiments is only used to help understand the control method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. An outdoor mist cooling system, comprising: the solar cooling system comprises a solar cell panel, a controller, a meteorological parameter detection sensor, a semiconductor refrigeration system and a spray cooling system, wherein the solar cell panel is arranged in a to-be-cooled area in an outdoor thermal environment; the meteorological parameter detection sensor comprises a temperature and humidity sensor and a wind speed sensor;
the solar panel is respectively connected with the controller, the meteorological parameter detection sensor, the semiconductor refrigeration system and the spray cooling system for power supply;
the controller is respectively connected with the meteorological parameter detection sensor, the semiconductor refrigeration system and the spray cooling system.
2. The outdoor mist cooling system of claim 1, wherein the mist cooling system comprises: the device comprises a water tank, a spraying device, a spraying pipeline and a spray head; the water inlet of the water tank is connected with a city water pipe; the water outlet of the water tank is connected with the inlet of the spraying device; the outlet of the spraying device is connected with a spraying pipeline; the spray head is arranged on the spray pipeline; the semiconductor refrigeration system is connected with the spray pipeline.
3. The outdoor mist cooling system of claim 1, further comprising: a storage battery; the storage battery is connected with the solar panel and is used for storing residual electric energy generated by the solar panel; the storage battery is also respectively connected with the controller, the meteorological parameter detection sensor, the semiconductor refrigeration system and the spray cooling system to supply power for standby.
4. An outdoor spray cooling method, characterized in that the outdoor spray cooling method is based on the outdoor spray cooling system of any one of claims 1-3, and the outdoor spray cooling method comprises:
the solar panel is used for respectively supplying power to the controller, the meteorological parameter detection sensor, the semiconductor refrigeration system and the spray cooling system;
the controller receives the temperature, humidity and wind speed signals collected by the meteorological parameter detection sensor;
the controller calculates a human body comfort index according to the temperature, humidity and wind speed signals;
the controller judges whether the human body comfort index is larger than a preset overheating threshold value or not;
if the human body comfort index is larger than a preset overheating threshold, the controller starts the semiconductor refrigeration system and the spray cooling system to carry out outdoor cooling, and returns to the step that the controller judges whether the human body comfort index is larger than the preset overheating threshold;
and if the human body comfort index is less than or equal to a preset overheating threshold value, the controller does not start or stop operating the semiconductor refrigerating system and the spray cooling system.
5. The outdoor mist cooling method according to claim 4, wherein the controller calculates a human comfort index according to the temperature, humidity and wind speed signals, and specifically comprises:
the controller substitutes the values of the temperature, humidity and wind speed signals into a thermal comfort regression evaluation model
In the middle, the human comfort index I is calculated CHB (ii) a Wherein t is temperature, f is humidity, and v is wind speed.
6. The outdoor mist cooling method according to claim 4, wherein in the step of the controller determining whether the human comfort index is greater than a preset overheat threshold, the preset overheat threshold is 75.
7. The outdoor mist cooling method according to claim 4, wherein the controller starts the semiconductor refrigeration system and the mist cooling system to cool the outdoor air, and specifically comprises:
the controller starts the semiconductor refrigeration system and the spray cooling system, a spraying device in the spray cooling system sucks water in a water tank into a spray pipeline through a high-pressure water pump, the semiconductor refrigeration system refrigerates the water in the spray pipeline, and the cooled water is sprayed out of a spray head to cool outdoors.
8. The outdoor mist cooling method according to claim 4, further comprising:
and storing the residual electric energy generated by the solar panel by using a storage battery so as to supply power for standby.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211180803.0A CN115899879A (en) | 2022-09-27 | 2022-09-27 | Outdoor spray cooling system and method |
| GB2300654.7A GB2622899A (en) | 2022-09-27 | 2023-01-17 | Outdoor spray cooling system and method |
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| CN202211180803.0A CN115899879A (en) | 2022-09-27 | 2022-09-27 | Outdoor spray cooling system and method |
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| CN115899879A true CN115899879A (en) | 2023-04-04 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012247106A (en) * | 2011-05-26 | 2012-12-13 | Nagoya City Univ | Control method of spraying apparatuses for lowering temperature, the spraying apparatuses, and multi temperature lowering system |
| CN104566705A (en) * | 2013-10-19 | 2015-04-29 | 上海炯歌电子科技有限公司 | Mist cooling equipment for solar electronic refrigeration |
| CN110131814A (en) * | 2019-03-01 | 2019-08-16 | 中南大学 | A method of cooled down based on outdoor environment human thermal sensation's automatic control room external spraying |
| CN209689117U (en) * | 2019-03-19 | 2019-11-26 | 上海虎岙环境技术有限公司 | A kind of intelligent control auto spraying cooling system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6669556B2 (en) * | 2001-10-16 | 2003-12-30 | James Cameron Gautney | Outdoor fan system |
| CN209556438U (en) * | 2018-08-02 | 2019-10-29 | 南京林业大学 | A kind of micro climate adjusting pavilion |
| CN112856642A (en) * | 2021-03-18 | 2021-05-28 | 宁波工程学院 | Portable spray refrigeration fan |
-
2022
- 2022-09-27 CN CN202211180803.0A patent/CN115899879A/en active Pending
-
2023
- 2023-01-17 GB GB2300654.7A patent/GB2622899A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012247106A (en) * | 2011-05-26 | 2012-12-13 | Nagoya City Univ | Control method of spraying apparatuses for lowering temperature, the spraying apparatuses, and multi temperature lowering system |
| CN104566705A (en) * | 2013-10-19 | 2015-04-29 | 上海炯歌电子科技有限公司 | Mist cooling equipment for solar electronic refrigeration |
| CN110131814A (en) * | 2019-03-01 | 2019-08-16 | 中南大学 | A method of cooled down based on outdoor environment human thermal sensation's automatic control room external spraying |
| CN209689117U (en) * | 2019-03-19 | 2019-11-26 | 上海虎岙环境技术有限公司 | A kind of intelligent control auto spraying cooling system |
Non-Patent Citations (1)
| Title |
|---|
| 宋欣: "临朐县旅游气候特征及舒适度分析", 现代农业科技, no. 3, 10 February 2015 (2015-02-10), pages 254 - 255 * |
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| GB2622899A (en) | 2024-04-03 |
| GB202300654D0 (en) | 2023-03-01 |
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