CN113566329B - Portable outdoor air conditioner and control method thereof - Google Patents

Portable outdoor air conditioner and control method thereof Download PDF

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Publication number
CN113566329B
CN113566329B CN202110859866.8A CN202110859866A CN113566329B CN 113566329 B CN113566329 B CN 113566329B CN 202110859866 A CN202110859866 A CN 202110859866A CN 113566329 B CN113566329 B CN 113566329B
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Prior art keywords
humidity
control device
dehumidifying
temperature
human body
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CN202110859866.8A
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CN113566329A (en
Inventor
黄静恩
李大全
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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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
    • F24F5/0042—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 characterised by the application of thermo-electric units or the Peltier effect
    • 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
    • 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
    • F24F11/56—Remote control
    • F24F11/58—Remote control using Internet communication
    • 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
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • 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
    • F24F11/70—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
    • 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
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F3/1411—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
    • 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
    • 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
    • F24F2005/0067—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 with photovoltaic panels

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Sustainable Development (AREA)
  • Mathematical Physics (AREA)
  • Fuzzy Systems (AREA)
  • Physics & Mathematics (AREA)
  • Sustainable Energy (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention provides a portable outdoor air conditioner and a control method thereof, wherein a shell of the outdoor air conditioner is internally provided with a battery assembly, a control device and a thermoelectric refrigerating unit, the shell is provided with a human body surface temperature detection unit, an environmental humidity detection unit, an air outlet, an air inlet and a heat dissipation port, the cold end and the hot end of the thermoelectric refrigerating unit are respectively arranged towards the air outlet and the heat dissipation port, a dehumidifying device adopting a solid dehumidifying material is arranged below the air outlet, the control device is respectively and electrically connected with the battery assembly, the human body surface temperature detection unit, the environmental temperature detection unit and the environmental humidity detection unit, and the battery assembly is respectively and electrically connected with the thermoelectric refrigerating unit and the dehumidifying device. The outdoor air conditioner and the control method can easily and effectively realize the effect of local refrigeration and temperature reduction in outdoor places, meet the requirement of human body on thermal comfort, avoid energy waste, automatically judge whether the dehumidifying material needs to be regenerated and realize the regeneration of the dehumidifying material.

Description

Portable outdoor air conditioner and control method thereof
Technical Field
The invention relates to the technical field of outdoor air conditioners, in particular to a portable outdoor air conditioner and a control method thereof.
Background
In recent years, outdoor parent-child activities have become a trend, such as picnics outdoors, tent playing in parks, and the like. However, in hot summer, the comfort level of outdoor activities is greatly reduced, and heatstroke is very likely to occur due to a large amount of sweat. At present, the cooling effect by means of portable fans, wearable air conditioners and the like of some fans is not good, and the improvement of the comfort level of a human body is not facilitated.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide a portable outdoor air conditioner and a control method thereof, wherein the refrigeration and cooling effects in a local space can be easily and effectively realized in any outdoor place without commercial power, the unnecessary energy waste can be avoided while the thermal comfort requirement of the human body is met by the control function of automatically adjusting the operation according to the changes of the temperature, the humidity and the body surface temperature of the human body, whether the dehumidifying material needs to be regenerated or not can be automatically judged by detecting the weight change of the dehumidifying material, and the heat generated by a thermoelectric refrigeration unit is utilized to simply realize the regeneration of the dehumidifying material, so that the aim of recycling is fulfilled.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the utility model provides a portable outdoor air conditioner, which comprises a housing, wherein, be equipped with battery pack in the casing, controlling means and thermoelectric refrigeration unit, be equipped with human body surface temperature detecting element on the casing respectively, ambient temperature detecting element, ambient humidity detecting element, the air outlet, air intake and thermovent, thermoelectric refrigeration unit's cold junction and hot junction are arranged towards air outlet and thermovent respectively, the below of air outlet is equipped with the dehydrating unit who adopts the dehumidification of solid dehumidification material, controlling means respectively with battery pack, human body surface temperature detecting element, ambient temperature detecting element and ambient humidity detecting element electric connection, battery pack respectively with thermoelectric refrigeration unit and dehydrating unit electric connection.
According to the portable outdoor air conditioner, when the thermoelectric refrigeration unit starts to work, cold energy generated by the cold end is transmitted to the front space and the upper space from the cold end, and exchanges heat with external hot air sucked from the air inlet to achieve a cooling effect, and the cold air is blown out from the air outlet, so that the cooling effect in a local range is achieved, and the comfort level of a human body is improved. At this time, the heat generated at the hot end is rapidly transferred from the heat dissipation port to the outside air. And, under human body surface temperature detecting element, ambient humidity detecting element and controlling means's mating reaction, can be through the temperature and the human body surface temperature of the current outdoor environment of detection to the temperature in the change automatically regulated local space that combines human body surface temperature, when satisfying the comfortable demand of human heat, be favorable to realizing energy-conservingly, can provide the cold air that has preset humidity through the humidity automatic operation humidification that detects the current outdoor environment, further improve human comfort level. And convenient to carry can provide comfortable cold air anytime and anywhere, continuously, effectively realizes the cooling in local space, improves the comfort level of human body in outdoor activities.
With respect to the above technical solution, further improvements as described below can be made.
According to the portable outdoor air conditioner of the invention, in a preferred embodiment, a containing device for containing the saturated solid dehumidifying material is arranged above the hot end of the thermoelectric refrigeration unit, and the containing device is provided with a vent hole.
Through the containing device with the structure, the heat generated by the thermoelectric refrigeration unit can be well utilized to simply realize the regeneration of the dehumidifying material, and the aim of recycling is fulfilled.
Further, in a preferred embodiment, the dehumidifying device and the containing device are both provided with a weight measuring device electrically connected with the control device.
Under the cooperation of the control device and the weight measuring device, whether the dehumidifying material is saturated or not can be automatically judged by detecting the weight change of the dehumidifying material in the dehumidifying device to regenerate, and whether desorption regeneration is finished or not can be judged by detecting the weight of the saturated dehumidifying material in the containing device in real time.
Specifically, in a preferred embodiment, the dehumidifying apparatus includes a first storage drawer and a valve disposed on the first storage drawer, and the storage apparatus includes a second storage drawer integrally having a hollow-out structure.
Above-mentioned structural style's dehydrating unit and storage device, simple structure, the processing of being convenient for and arranging through set up the valve on first accomodating the drawer, the operation of being convenient for, only need open valve dehumidification material can begin to adsorb the dehumidification, the drawer is accomodate to the second and is set to above-mentioned structural style, only need put into the solid dehumidification material after the saturation, can begin the desorption regeneration.
Specifically, in a preferred embodiment, a cross-flow fan is arranged in the casing at a position opposite to the air outlet, the cold end and the hot end of the thermoelectric refrigeration unit are both provided with a heat dissipation module, a heat dissipation fan is arranged behind the hot end of the thermoelectric refrigeration unit, the heat dissipation fan is close to the position of the heat dissipation opening, the battery assembly is further electrically connected with the cross-flow fan, the heat dissipation module and the heat dissipation fan, and the left side, the right side, the top and the rear of the thermoelectric refrigeration unit are both provided with a partition board.
Specifically, when the thermoelectric refrigeration unit starts to work, the cold energy generated by the cold end is transmitted to the front and the upper space by the cold end side heat dissipation module, and is subjected to heat exchange with the external hot air sucked from the air inlet, so that the cooling effect is achieved. Under the action of the cross-flow fan, the cold air is blown out from the air outlet, so that the cooling effect in a local range is realized, and the comfort level of a human body is improved. At this time, the heat generated by the hot end is rapidly transferred from the heat-dissipating port to the outside air by means of the forced convection of the hot-end side heat-dissipating module and the heat-dissipating fan. The partition board can effectively prevent heat generated by the hot end of the thermoelectric refrigeration unit from being transferred to cold air cooled by the cold end, so that the refrigeration effect of the air conditioner is effectively improved.
Specifically, in a preferred embodiment, the battery assembly includes a solar battery assembly and an energy storage battery.
After the portable outdoor air conditioner is started, according to the solar illumination intensity of the current outdoor environment, the control device controls the flexible film solar cell module to directly supply power to the load or controls the energy storage battery to supply power to the load, and the flexible film solar cell module charges the energy storage battery.
Further, in a preferred embodiment, the control device is further provided with a network transmission module for connecting with the mobile terminal, and an application program capable of controlling the control device is arranged in the mobile terminal.
Through wireless transmission techniques such as bluetooth and terminal connections such as smart mobile phone, convenience of customers operates, for example opens, closes, sets for air-out temperature, operation and closes humidification function etc..
The control method of the portable outdoor air conditioner according to the second aspect of the invention is implemented by the portable outdoor air conditioner, and comprises the following steps: s01, starting a control device, controlling the battery assembly to supply power to the thermoelectric refrigeration unit to start refrigeration, and simultaneously respectively starting to detect the body surface temperature, the environment temperature and the environment humidity of the human body in real time by the body surface temperature detection unit, the environment temperature detection unit and the environment humidity detection unit and feed back the body surface temperature, the environment temperature and the environment humidity of the human body to the control device;
s02, when the control device controls and judges that the ambient temperature is smaller than the first temperature preset value, controlling the input power of the thermoelectric refrigeration unit to keep the temperature difference between the cold end temperature and the ambient temperature within a first preset range; meanwhile, when the control device judges that the ambient humidity is greater than or equal to a first humidity preset value, the operation of the dehumidifying device is controlled, so that the local ambient humidity is maintained within a first humidity preset range, and when the control device judges that the ambient humidity is less than or equal to the first humidity preset value, the dehumidifying device keeps a stop operation state; the first humidity preset range is smaller than a first humidity preset value; after the preset time, when the control device judges that the current human body surface temperature variation is less than 0, controlling to reduce the input power of the thermoelectric refrigeration unit; when the control device judges that the current human body surface temperature variation is greater than or equal to 0, the input power of the thermoelectric refrigeration unit is controlled to be increased; meanwhile, under the condition that the dehumidifying device operates, when the control device judges that the current environmental humidity has fallen to a second humidity preset value, the dehumidifying device stops operating, and when the control device judges that the current environmental humidity has not fallen to the second humidity preset value, the dehumidifying device continues to operate; the second humidity preset value is smaller than the first humidity preset value;
s03, when the control device controls and judges that the ambient temperature is greater than or equal to the first preset temperature value and less than or equal to the second preset temperature value, controlling the input power of the thermoelectric refrigeration unit to enable the temperature difference between the cold end temperature and the ambient temperature to be kept in a second preset range, wherein the temperature difference in the second preset range is greater than that in the first preset range; meanwhile, when the control device judges that the ambient humidity is greater than or equal to a first humidity preset value, the operation of the dehumidifying device is controlled to maintain the local ambient humidity within a first humidity preset range, and when the control device judges that the ambient humidity is less than or equal to the first humidity preset value, the dehumidifying device keeps a stop operation state; the first humidity preset range is smaller than the first humidity preset value; after the preset time, when the control device judges that the current human body surface temperature variation is less than 0, controlling to reduce the input power of the thermoelectric refrigeration unit; when the control device judges that the current human body surface temperature variation is greater than or equal to 0, the input power of the thermoelectric refrigeration unit is controlled to be increased; meanwhile, under the condition that the dehumidifying device operates, when the control device judges that the current environmental humidity is reduced to a second humidity preset value, the dehumidifying device stops operating, and when the control device judges that the current environmental humidity is not reduced to the second humidity preset value, the dehumidifying device continues to operate; the second humidity preset value is smaller than the first humidity preset value;
s04, when the control device controls and judges that the ambient temperature is greater than the second preset temperature value, controlling the input power of the thermoelectric refrigeration unit to enable the temperature difference between the cold end temperature and the ambient temperature to be kept within a third preset range, wherein the temperature difference in the third preset range is greater than the temperature difference in the second preset range; meanwhile, when the control device judges that the ambient humidity is greater than or equal to a first humidity preset value, the operation of the dehumidifying device is controlled to maintain the local ambient humidity within a first humidity preset range, and when the control device judges that the ambient humidity is less than or equal to the first humidity preset value, the dehumidifying device keeps a stop operation state; the first humidity preset range is smaller than the first humidity preset value; after the preset time, when the control device judges that the current human body surface temperature variation is less than 0, controlling to reduce the input power of the thermoelectric refrigeration unit; when the control device judges that the current human body surface temperature variation is greater than or equal to 0, the input power of the thermoelectric refrigeration unit is controlled to be increased; meanwhile, under the condition that the dehumidifying device operates, when the control device judges that the current environmental humidity has fallen to a second humidity preset value, the dehumidifying device stops operating, and when the control device judges that the current environmental humidity has not fallen to the second humidity preset value, the dehumidifying device continues to operate; the second humidity preset value is smaller than the first humidity preset value.
Obviously, because the portable outdoor air conditioner is implemented by adopting the portable outdoor air conditioner, under the matching action of the human body surface temperature detection unit, the environment humidity detection unit and the control device, the control method can automatically adjust the temperature in a local space by detecting the current outdoor environment temperature and the human body surface temperature and combining the change of the human body surface temperature, meets the requirement of human body thermal comfort, is beneficial to realizing energy conservation, can automatically operate and humidify by detecting the current outdoor environment humidity, provides cold air with preset humidity, further improves the human body comfort, and simply realizes the regeneration of dehumidifying materials by utilizing the heat generated by the thermoelectric refrigeration unit, thereby achieving the purpose of recycling. And convenient to carry can provide comfortable cold air anytime and anywhere, continuously, effectively realizes the cooling in local space, improves the comfort level of human body in outdoor activities.
According to the control method of the portable outdoor air conditioner of the second aspect of the present invention, further, in a preferred embodiment, the above portable outdoor air conditioner is used, and the control device determines that the solid dehumidifying material is not saturated when determining that the weight of the solid dehumidifying material in the dehumidifying device is increasing according to the data fed back by the weight measuring device; when the weight of the solid dehumidifying material in the dehumidifying device is judged to be increased to be kept unchanged, the solid dehumidifying material is saturated, and the dehumidifying device is controlled to stop running; the control device judges whether the saturated solid dehumidifying material in the containing device completes desorption regeneration or not according to the data fed back by the weight measuring device.
It is apparent that, in the control method of the present invention, in cooperation with the control device and the weight measuring device, whether or not the desiccant is saturated or not can be automatically determined by detecting a change in weight of the desiccant in the dehumidifier, and whether or not the desorption regeneration is completed can be determined by detecting the weight of the desiccant saturated in the storage device in real time.
Further, in a preferred embodiment, the casing is provided with an operation switch electrically connected to the control device, and in step S01, the operation switch is operated for a first preset time period to turn on the thermoelectric cooling unit; continuously pressing two operating switches to close the first storage drawer; the control device controls the operation switch to continuously flash to remind a user to replace the solid dehumidifying material in the first storage drawer or take out the desorbed and regenerated solid dehumidifying material in the second storage drawer; operating the switch according to a second preset duration to turn off the thermoelectric refrigeration unit; the first preset time is shorter than the second preset time.
The operation is performed through the operation switch, so that a user can operate more conveniently according to actual requirements.
Compared with the prior art, the invention has the advantages that: the refrigeration cooling effect in the local space can be easily and effectively realized in any outdoor place without the commercial power, the control function of automatically adjusting the operation according to the change of the temperature, the humidity and the body surface temperature of the current environment is realized, the requirement of human body heat comfort is met, meanwhile, unnecessary energy waste can be avoided, whether the dehumidifying material needs to be regenerated can be automatically judged through detecting the weight change of the dehumidifying material, the heat generated by the thermoelectric refrigeration unit is utilized to simply realize the regeneration of the dehumidifying material, and the purpose of recycling is achieved.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the drawings. Wherein:
fig. 1 schematically shows an overall external appearance structure of a portable outdoor air conditioner according to an embodiment of the present invention;
fig. 2 schematically shows an internal division structure of a portable outdoor air conditioner according to an embodiment of the present invention;
fig. 3 schematically shows an internal partial structure of a portable outdoor air conditioner according to an embodiment of the present invention;
FIG. 4 schematically illustrates a cross-sectional configuration of a thermoelectric cooling unit in an embodiment of the invention;
fig. 5 schematically shows a control flow of the portable outdoor air conditioner according to an embodiment of the present invention.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
Detailed Description
The invention will be described in further detail with reference to the following figures and specific examples, without thereby limiting the scope of protection of the invention.
Fig. 1 schematically shows an overall external appearance structure of a portable outdoor air conditioner 10 according to an embodiment of the present invention. Fig. 2 schematically shows an internal division structure of the portable outdoor air conditioner 10 according to an embodiment of the present invention. Fig. 3 schematically shows an internal partial structure of the portable outdoor air conditioner 10 according to the embodiment of the present invention. Fig. 4 schematically shows a cross-sectional structure of a thermoelectric cooling unit in an embodiment of the invention. Fig. 5 schematically shows a control flow of the portable outdoor air conditioner 10 according to the embodiment of the present invention.
Example 1
As shown in fig. 1 to 3, a portable outdoor air conditioner 10 according to an embodiment of the present invention includes a casing 1, wherein a battery assembly 2, a control device 3, and a thermoelectric refrigeration unit 4 are disposed in the casing 1, a human body surface temperature detection unit 5, an ambient temperature detection unit 6, and an ambient humidity detection unit 7 are disposed on the casing 1, an air outlet 11 is disposed on a front side plate of the casing 1, a cross-flow fan 8 is disposed in the casing 1 at a position opposite to the air outlet 11, air inlets 12 are disposed on both left and right sides of the casing 1, heat dissipation modules 9 are disposed on both a cold end and a hot end of the thermoelectric refrigeration unit 4, the cold end of the thermoelectric refrigeration unit 4 is disposed toward one side close to the air outlet 11, a heat dissipation fan 101 is disposed behind the hot end of the thermoelectric refrigeration unit 4, a heat dissipation port 13 is disposed on the casing 1 at a position opposite to the heat dissipation fan 101, a first storage drawer 102 for storing a solid desiccant is disposed below the air outlet 11, a second storage drawer 103 for storing saturated solid desiccant is disposed above the cooling fan 101, and a vent hole is formed in the second storage drawer 103. The control device 3 is respectively electrically connected with the battery assembly 2, the human body surface temperature detection unit 5, the environment temperature detection unit 6 and the environment humidity detection unit 7, and the battery assembly 2 is respectively electrically connected with the thermoelectric refrigeration unit 4, the cross flow fan 8, the heat dissipation module 9, the heat dissipation fan 101 and the first storage drawer 102.
According to the portable outdoor air conditioner disclosed by the embodiment of the invention, when the thermoelectric refrigeration unit starts to work, the cold energy generated by the cold end is transferred to the front and the upper space by the cold end side heat dissipation module, and is subjected to heat exchange with the external hot air sucked from the air inlet, so that the cooling effect is achieved. Under the effect of the cross-flow fan, the cold air is blown out from the air outlet, so that the cooling effect in a local range is realized, and the comfort level of a human body is improved. At this time, the heat generated by the hot end is rapidly transferred from the heat-dissipating port to the outside air by means of the forced convection of the hot-end side heat-dissipating module and the heat-dissipating fan. And, at human body surface temperature detecting element, ambient temperature detecting element, under ambient humidity detecting element and controlling means's mating reaction, can be through the temperature and the human body surface temperature of the current outdoor environment of detection, and combine the temperature in the change automatically regulated local space of human body surface temperature, when satisfying the comfortable demand of human heat, be favorable to realizing energy-conservation, can be through the humidity automatic operation humidification that detects the current outdoor environment, provide the cold air that has preset humidity, further improve human comfort level, and utilize the heat that thermoelectric refrigeration unit produced to realize dehumidification material's regeneration simply, reach reuse's purpose. And convenient to carry can provide comfortable cold air anytime and anywhere, continuously, effectively realizes the cooling in local space, improves the comfort level of human body in outdoor activities.
As shown in fig. 4, in the present embodiment, the thermoelectric cooling unit 4 is provided at the lower center inside the cabinet 1, which is a cooling technique based on the Peltier effect, and does not require a compressor or a refrigerant, and thus, the present embodiment has advantages of rapid cooling, high reliability, and the like. The thermoelectric refrigeration unit is formed by connecting a plurality of N-type and P-type semiconductors in series alternately, and the basic working principle mainly utilizes the Peltier effect generated at a node when the N, P-type semiconductor is in current circulation, so that the temperature of the node from N to P is reduced to absorb heat, and the node becomes a cold end; and the node temperature from P to N increases to release heat to become hot. The N, P type semiconductors are arranged periodically, and the cold end and the hot end of the semiconductor are respectively packaged towards one direction, thus the thermoelectric cooling device can be manufactured. The cold end and the hot end of the thermoelectric refrigeration unit 4 are tightly attached to the heat dissipation module 9 through heat-conducting silicone grease, and the cold dissipation/heat dissipation functions are respectively achieved.
As shown in fig. 2, in the present embodiment, partitions 14 are provided on the left and right sides, the top, and the rear of the thermoelectric cooling unit 4. The partition board can effectively prevent heat generated by the hot end of the thermoelectric refrigeration unit from being transferred to cold air cooled by the cold end, so that the refrigeration effect of the air conditioner is effectively improved.
As shown in fig. 1 and 2, specifically, in the present embodiment, the cell assembly 2 includes a solar cell assembly 21 and an energy storage battery 22. After the portable outdoor air conditioner is started, the control device controls the flexible film solar cell module to directly supply power to the load or controls the energy storage battery to supply power to the load according to the solar illumination intensity of the current outdoor environment, and the flexible film solar cell module charges the energy storage battery.
Specifically, in this embodiment, as shown in fig. 1 to fig. 3, a heat dissipation fan 101 is disposed behind the hot end of the thermoelectric cooling unit 4, and a heat dissipation port 13 is disposed on the casing 1 opposite to the hot end, so that heat generated by the hot end is dissipated to the outside air, and the cold end temperature is kept relatively low all the time, thereby ensuring that the thermoelectric cooling unit can realize continuous cooling. When the thermoelectric refrigerating unit 4 starts to work, the cold energy generated at the cold end is transferred to the front and the upper space by the cold end side heat dissipation module 9, and exchanges heat with the external hot air sucked from the air inlet 12, so that the cooling effect is achieved. Under the action of the cross flow fan 8, the cold air is blown out from the air outlet 11, so that the cooling effect in a local space is realized, and the comfort level of a human body is improved. At this time, the heat generated at the hot side is rapidly transferred from the heat dissipation port 13 to the outside air by the forced convection of the hot side heat dissipation module 9 and the heat dissipation fan 101.
As shown in fig. 1 to 3, in the present embodiment, a first storage drawer 102 is disposed below the outlet 11 for storing a solid dehumidifying material, which is a high molecular polymer (polyacrylate), and has excellent moisture absorption performance and low regeneration temperature (from room temperature to 80 ℃ below). A valve is disposed on one side of the first storage drawer 102 facing the inside of the cabinet 1, and the adsorption dehumidification can be started only by opening the valve. The basic working principle is to use a porous solid dehumidifying material with a relatively large specific surface area, and absorb moisture in the air through the adsorption of surface voids. In addition, the first storage drawer 102 is provided with a weight sensor electrically connected to the control device, so that the weight of the first storage drawer 102 can be detected in real time for determining whether the solid dehumidifying material is saturated. A second storage drawer 103 is disposed above the heat dissipation fan 101 to store the saturated solid dehumidifying material. The drawer 103 is accomodate to the second and is wholly become the fretwork form, only needs to put into the solid dehumidification material after the saturation, can begin the desorption regeneration. The basic working principle is that the water absorbed in the solid dehumidifying material is heated and then desorbed into water vapor which is taken away by the regenerated air, so that the adsorption performance is recovered. The second storage drawer 103 is also provided with a weight sensor electrically connected to the control device. In cooperation with the control device and the weight sensor, it is possible to determine whether or not desorption regeneration is completed by detecting the weight of the desiccant saturated in the second storage drawer 103 in real time.
Specifically, in the present embodiment, when the dehumidification mode is operated, the valve of the first storage drawer 102 is opened and the solid desiccant therein will dehumidify the air inside the cabinet. Under the action of the cross flow fan 8, the dehumidified air is blown out from the air outlet 11, so that the air humidity in the local space is maintained within the range of 40% -60%, and the comfort level of the human body is further improved. When the saturated solid dehumidifying material needs to be regenerated, it is only needed to be put into the second storage drawer 103, and the water absorbed by the solid dehumidifying material is desorbed into steam when the temperature of the heat generated by the hot end of the thermoelectric refrigeration unit 4 is raised, and the steam is discharged to the outside air from the heat-dissipating port 13 under the forced convection of the heat-dissipating fan 101, so that the saturated solid dehumidifying material recovers the adsorption performance and can be used for dehumidification again.
As shown in fig. 1, in the present embodiment, an operation switch 15 electrically connected to the control device 3 is further provided on a front side plate of the housing 1. Through setting up operating switch, the user of being convenient for operates according to actual demand. Further, in this embodiment, the control device 3 is further provided with a network transmission module for connecting with the mobile terminal, and the mobile terminal is provided with an application program capable of controlling the control device. Through wireless transmission techniques such as bluetooth and terminal connections such as smart mobile phone, convenience of customers operates, for example opens, closes, sets for air-out temperature, operation and closes humidification function etc..
Example 2
As shown in fig. 5, the method for controlling a portable outdoor air conditioner according to the embodiment of the present invention specifically includes the following steps:
by pressing the operation switch 15 for a short time, the thermoelectric cooling unit 4 can start cooling. Simultaneously, human body surface temperature detecting element 5, temperature detecting element 6 and humidity detecting element 7 begin real-time detection human body surface temperature S, ambient temperature T, ambient humidity W respectively to feed back controlling means 3:
firstly, when the control device 3 judges that the environment temperature T is less than 27 ℃, which means that a user is in a relatively comfortable environment, the input power of the thermoelectric refrigeration unit 4 is controlled, so that the temperature difference between the cold end temperature and the environment temperature is kept within 5 ℃, and the wind speed of the cross flow fan 8 is high-grade by default;
meanwhile, when the control device 3 judges that the ambient humidity W is not less than 65%, which means that the user is in an environment with high humidity, the dehumidification mode is operated, the first storage drawer 102 is controlled to open the valve, and the air inside the casing is dehumidified by using the solid dehumidification material, so that the air humidity in the local space is maintained within the range of 40% -60%, and the comfort level of the human body is further improved. On the contrary, if the control device 3 determines that the environmental humidity W is less than 65%, which means that the user is in an environment with a relatively suitable humidity, the dehumidification mode does not need to be operated;
after a certain time t, when the control device 3 judges that the current human body surface temperature variation delta S is less than 0 (namely S)At present-SInitially, the process is started< 0), the body temperature is reduced, the input power of the thermoelectric cooling unit 4 is further reduced, and the wind speed of the cross flow fan 8 is maintained at a low level. On the contrary, if the control device 3 determines that the current body surface temperature variation Δ S is greater than or equal to 0 (i.e. S)At present-SInitially and initiallyNot less than 0), the temperature of the human body is increased or not changed, the input power of the thermoelectric refrigerating unit 4 is further improved, and the wind speed of the cross flow fan 8 is maintained at a high level;
in the case of operating the dehumidification mode at the same time, when the control device 3 judges that the ambient humidity in the current local space has decreased to 40%, the dehumidification mode is stopped. On the contrary, if the control device 3 determines that the current ambient humidity in the local space has not reached 40%, the dehumidification mode continues to be operated.
Secondly, when the control device 3 judges that the ambient temperature is more than or equal to 27 ℃ and less than or equal to 32 ℃, which means that a user is in a relatively hot environment, the input power of the thermoelectric refrigeration unit 4 is controlled to keep the temperature difference between the cold end temperature and the ambient temperature within 5-15 ℃, and the wind speed of the cross-flow fan 8 is defaulted to be high-grade at the moment;
meanwhile, when the control device 3 determines that the ambient humidity W is greater than or equal to 65%, which means that the user is in an environment with a relatively high humidity, the dehumidification mode is operated, the first storage drawer 102 is controlled to open the valve, and the air inside the casing is dehumidified by using the solid dehumidification material, so that the air humidity in the local space is maintained within a range of 40% -60%, and the comfort level of the human body is further improved. On the contrary, if the control device 3 determines that the environmental humidity W is less than 65%, it means that the user is in an environment with a relatively suitable humidity, the dehumidification mode does not need to be operated;
after a certain time t, when the control device 3 judges that the current human body surface temperature variation Delta S is less than 0 (namely S)At present-SInitially and initially< 0), the human body temperature is reduced, the input power of the thermoelectric refrigerating unit 4 is further reduced, and the wind speed of the cross flow fan 8 is maintained at a low level. On the contrary, if the control device 3 determines that the current human body surface temperature variation Δ S is greater than or equal to 0 (i.e. S)At present-SInitially and initiallyNot less than 0), the temperature of the human body is increased or unchanged, the input power of the thermoelectric refrigeration unit 4 is further improved, and the wind speed of the cross flow fan 8 is maintained at a high level;
in the case of the simultaneous operation of the dehumidification mode, when the control device 3 judges that the ambient humidity in the current local space has decreased to 40%, the dehumidification mode is stopped. On the contrary, if the control device 3 determines that the current ambient humidity in the local space has not reached 40%, the dehumidification mode continues to be operated.
Thirdly, when the control device 3 judges that the environmental temperature T is more than 32 ℃, which means that the user is in a very hot environment, the input power of the thermoelectric refrigerating unit 4 is controlled, so that the temperature difference between the cold end temperature and the environmental temperature is kept within 15-25 ℃, and the wind speed of the cross flow fan 8 is defaulted to be high-grade;
meanwhile, when the control device 3 determines that the ambient humidity W is greater than or equal to 65%, which means that the user is in an environment with a relatively high humidity, the dehumidification mode is operated, the first storage drawer 102 is controlled to open the valve, and the air inside the casing is dehumidified by using the solid dehumidification material, so that the air humidity in the local space is maintained within a range of 40% -60%, and the comfort level of the human body is further improved. On the contrary, if the control device 3 determines that the environmental humidity W is less than 65%, which means that the user is in an environment with a relatively suitable humidity, the dehumidification mode does not need to be operated;
after a certain time t, when the control device 3 judges that the current human body surface temperature variation Delta S is less than 0 (namely S)At present-SInitially, the process is started< 0), the human body temperature is reduced, the input power of the thermoelectric refrigerating unit 4 is further reduced, and the wind speed of the cross flow fan 8 is maintained at a low level. On the contrary, if the control device 3 determines that the current body surface temperature variation Δ S is greater than or equal to 0 (i.e. S)At present-SInitially and initiallyNot less than 0), the temperature of the human body is increased or unchanged, the input power of the thermoelectric refrigeration unit 4 is further improved, and the wind speed of the cross flow fan 8 is maintained at a high level;
in the case of the simultaneous operation of the dehumidification mode, when the control device 3 judges that the ambient humidity in the current local space has decreased to 40%, the dehumidification mode is stopped. On the contrary, if the control device 3 determines that the current ambient humidity in the local space has not reached 40%, the dehumidification mode continues to be operated.
When the dehumidification mode is started, the weight sensor in the first storage drawer 102 starts to detect the weight G of the solid desiccant in the first storage drawer 102 in real time, and feeds the detected weight G back to the control device 3.
After a certain time t, the control device 3 determines that the weight of the solid desiccant in the first storage drawer 102 is increasing, i.e., G, based on the data fed back from the weight sensort＞GInitialAnd Δ G > O (G)t-Gt-1) And when the solid dehumidifying material is saturated, the solid dehumidifying material can be continuously dehumidified. On the contrary, if the control device 3 determines that the weight of the solid desiccant in the first storage drawer 102 is increased to a value equal to the weight of the solid desiccant, that is, Gt＞GInitiation ofAnd Δ G ═ 0 (G)t-Gt-1) In the meantime, the solid dehumidifying material is saturated, and air dehumidification cannot be continued. At this time, the dehumidification operation is stopped, the operation switch 15 is controlled to continuously flash, the user is reminded of needing to replace the new solid dehumidification material in time, and the saturated solid dehumidification material is desorbed and regenerated.
Further, a weight sensor may be further disposed in the second storage drawer 103, and the weight of the saturated solid desiccant in the second storage drawer 103 is detected in real time to determine whether desorption regeneration is completed, and the control device 3 controls the operation switch 15 to continuously flash to remind the user that the saturated solid desiccant has completed desorption regeneration and can be used for dehumidification again.
Finally, when dehumidification is not needed, the dehumidification operation can be stopped only by continuously pressing the two operating switches 15; when the operation switch 15 is continuously pressed for a long time, the shutdown is performed.
According to the embodiment, the portable outdoor air conditioner and the control method thereof can easily and effectively realize the refrigeration and cooling effects in local spaces in any outdoor place without commercial power, can automatically adjust the control function of operation according to the changes of the temperature, the humidity and the body surface temperature of the human body in the current environment, can avoid increasing unnecessary energy waste while meeting the thermal comfort requirement of the human body, can automatically judge whether the dehumidifying material needs to be regenerated by detecting the weight change of the dehumidifying material, and can simply realize the regeneration of the dehumidifying material by utilizing the heat generated by the thermoelectric refrigeration unit, thereby achieving the purpose of recycling.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (9)

1. A control method of a portable outdoor air conditioner is characterized in that the portable outdoor air conditioner comprises a casing; wherein the content of the first and second substances,
a battery assembly, a control device and a thermoelectric refrigerating unit are arranged in the shell;
the shell is respectively provided with a human body surface temperature detection unit, an environment humidity detection unit, an air outlet, an air inlet and a heat dissipation port, and the cold end and the hot end of the thermoelectric refrigeration unit are respectively arranged towards the air outlet and the heat dissipation port;
a dehumidifying device adopting a solid dehumidifying material for dehumidifying is arranged below the air outlet;
the control device is respectively and electrically connected with the battery assembly, the human body surface temperature detection unit, the environment temperature detection unit and the environment humidity detection unit, and the battery assembly is respectively and electrically connected with the thermoelectric refrigeration unit and the dehumidification device;
the control device is started, the battery assembly is controlled to supply power to the thermoelectric refrigerating unit to start refrigerating, meanwhile, the human body surface temperature detection unit, the environment temperature detection unit and the environment humidity detection unit respectively start to detect the human body surface temperature, the environment temperature and the environment humidity in real time, and the human body surface temperature, the environment temperature and the environment humidity are fed back to the control device;
when the control device controls and judges that the ambient temperature is smaller than a first preset temperature value, the input power of the thermoelectric refrigeration unit is controlled to keep the temperature difference between the cold end temperature and the ambient temperature within a first preset range;
meanwhile, when the control device judges that the ambient humidity is greater than or equal to a first humidity preset value, the dehumidifying device is controlled to start to operate, so that the local ambient humidity is maintained within a first humidity preset range, and when the control device judges that the ambient humidity is less than or equal to the first humidity preset value, the dehumidifying device keeps a stop operation state; the first humidity preset range is smaller than the first humidity preset value;
after the preset time, when the control device judges that the current human body surface temperature variation is less than 0, controlling to reduce the input power of the thermoelectric refrigeration unit; when the control device judges that the current human body surface temperature variation is larger than or equal to 0, the input power of the thermoelectric refrigeration unit is controlled to be increased;
meanwhile, under the condition that the dehumidifying device is operated, when the control device judges that the current environmental humidity is reduced to a second humidity preset value, the dehumidifying device is stopped to operate, and when the control device judges that the current environmental humidity is not reduced to the second humidity preset value, the dehumidifying device is continuously operated; the second humidity preset value is smaller than the first humidity preset value;
when the control device controls and judges that the ambient temperature is greater than or equal to a first preset temperature value and less than or equal to a second preset temperature value, the input power of the thermoelectric refrigeration unit is controlled to enable the temperature difference between the cold end temperature and the ambient temperature to be kept within a second preset range, and the temperature difference of the second preset range is greater than that of the first preset range;
meanwhile, when the control device judges that the ambient humidity is greater than or equal to a first humidity preset value, the dehumidifying device is controlled to operate, so that the local ambient humidity is maintained within a first humidity preset range, and when the control device judges that the ambient humidity is less than or equal to the first humidity preset value, the dehumidifying device keeps a stop operation state; the first humidity preset range is smaller than a first humidity preset value;
after the preset time, when the control device judges that the current human body surface temperature variation is less than 0, controlling to reduce the input power of the thermoelectric refrigeration unit; when the control device judges that the current human body surface temperature variation is greater than or equal to 0, the input power of the thermoelectric refrigeration unit is controlled to be increased;
meanwhile, under the condition that the dehumidifying device is operated, when the control device judges that the current environmental humidity is reduced to a second humidity preset value, the dehumidifying device is stopped to operate, and when the control device judges that the current environmental humidity is not reduced to the second humidity preset value, the dehumidifying device is continuously operated; the second humidity preset value is smaller than the first humidity preset value;
when the control device controls and judges that the ambient temperature is greater than a second preset temperature value, the input power of the thermoelectric refrigeration unit is controlled to enable the temperature difference between the cold end temperature and the ambient temperature to be kept within a third preset range, and the temperature difference within the third preset range is greater than the temperature difference within the second preset range;
meanwhile, when the control device judges that the ambient humidity is greater than or equal to a first humidity preset value, the dehumidifying device is controlled to operate, so that the local ambient humidity is maintained within a first humidity preset range, and when the control device judges that the ambient humidity is less than or equal to the first humidity preset value, the dehumidifying device keeps a stop operation state; the first humidity preset range is smaller than a first humidity preset value;
after the preset time, when the control device judges that the current human body surface temperature variation is less than 0, controlling to reduce the input power of the thermoelectric refrigeration unit; when the control device judges that the current human body surface temperature variation is greater than or equal to 0, the input power of the thermoelectric refrigeration unit is controlled to be increased;
meanwhile, under the condition that the dehumidifying device is operated, when the control device judges that the current environmental humidity is reduced to a second humidity preset value, the dehumidifying device is stopped to operate, and when the control device judges that the current environmental humidity is not reduced to the second humidity preset value, the dehumidifying device is continuously operated; the second humidity preset value is smaller than the first humidity preset value.
2. The method as claimed in claim 1, wherein a receiving device for receiving saturated solid desiccant is disposed above the hot end of the thermoelectric cooling unit, and the receiving device is provided with a vent.
3. The method as claimed in claim 2, wherein the dehumidifying device and the receiving device are each provided with a weight measuring device electrically connected to the control device.
4. The control method of a portable outdoor air conditioner according to claim 3,
the control device judges that the weight of the solid dehumidifying material in the dehumidifying device is increased all the time according to the data fed back by the weight measuring device, and the control device represents that the solid dehumidifying material is not saturated; when the weight of the solid dehumidifying material in the dehumidifying device is judged to be increased from the weight of the solid dehumidifying material in the dehumidifying device and kept unchanged, the solid dehumidifying material is saturated, and the dehumidifying device is controlled to stop operating;
and the control device judges whether the saturated solid dehumidifying material in the containing device finishes desorption and regeneration or not according to the data fed back by the weight measuring device.
5. The control method of a portable outdoor air conditioner according to any one of claims 2 to 4, characterized in that an operating switch electrically connected with the control device is arranged on the casing, and the thermoelectric refrigeration unit is turned on by the operating switch for a first preset duration; continuously pressing two operating switches to stop operating the dehumidifying device; the control device controls the operation switch to continuously flash to remind a user of replacing the solid dehumidifying material in the dehumidifying device or taking out the solid dehumidifying material which is subjected to desorption and regeneration in the accommodating device; the operation switch is operated according to a second preset time length, and the thermoelectric refrigeration unit is closed; the first preset time is shorter than the second preset time.
6. The control method of a portable outdoor air conditioner according to any one of claims 2 to 4, wherein the dehumidifying apparatus includes a first storage drawer and a valve disposed on the first storage drawer, and the storage apparatus includes a second storage drawer integrally having an openwork structure.
7. The control method of a portable outdoor air conditioner according to any one of claims 1 to 4,
a cross-flow fan is arranged in the shell at a position opposite to the air outlet; the cold end and the hot end of the thermoelectric refrigeration unit are both provided with a heat dissipation module, a heat dissipation fan is arranged behind the hot end of the thermoelectric refrigeration unit, and the heat dissipation fan is close to the position of the heat dissipation port;
the battery assembly is also electrically connected with the cross flow fan, the heat dissipation module and the heat dissipation fan;
the left side, the right side, the top and the rear of the thermoelectric refrigeration unit are provided with clapboards.
8. The method as claimed in any one of claims 1 to 4, wherein the battery module includes a solar battery module and an energy storage battery.
9. The control method of a portable outdoor air conditioner according to any one of claims 1 to 4, characterized in that the control device is further provided with a network transmission module for connecting with a mobile terminal, and an application program capable of controlling the control device is arranged in the mobile terminal.
CN202110859866.8A 2021-07-28 2021-07-28 Portable outdoor air conditioner and control method thereof Active CN113566329B (en)

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