CN112682911A - Control method of ice storage air conditioner based on spray heat exchange - Google Patents
Control method of ice storage air conditioner based on spray heat exchange Download PDFInfo
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- CN112682911A CN112682911A CN202011506276.9A CN202011506276A CN112682911A CN 112682911 A CN112682911 A CN 112682911A CN 202011506276 A CN202011506276 A CN 202011506276A CN 112682911 A CN112682911 A CN 112682911A
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Abstract
The invention discloses a control method of an ice storage air conditioner based on spray heat exchange, which comprises the following steps: the control device acquires the set blowing control precision T0, the set blowing temperature T1 and the set ice storage box temperature T2; the control device obtains a real-time air supply temperature T11 and a real-time water temperature T21 of the ice storage box; when T21 is larger than T2, the control device outputs a water drainage and ice change prompt; when T21 is not less than T2 and T1-T0 is not less than T11 is not less than T1+ T0, the control device controls the rotating speed of the pressurizing water pump to be kept unchanged; when T21 is less than or equal to T2 and T11 is more than T1+ T0, the control device controls the rotating speed of the pressurizing water pump to be increased; when T21 is not less than T2 and T11 is less than T1-T0, the control device controls and reduces the rotating speed of the pressurizing water pump; according to the control method provided by the invention, the control device acquires the real-time water temperature of the refrigerator and adjusts the working state of the pressurizing water pump according to the comparison result of the real-time water temperature and the set temperature of the refrigerator, so that the adjustment of the working state of the ice storage air conditioner is realized, the cold energy of the melted water in the refrigerator is fully utilized, and the energy utilization rate of the ice storage air conditioner is improved.
Description
Technical Field
The invention relates to the technical field of ice storage air conditioners, in particular to a control method of an ice storage air conditioner based on spray heat exchange.
Background
The existing ice cold storage air conditioner stores cold energy by using low-price electric ice making and cold storage at the off-peak time of a power grid at night, and ice is melted into water when the power consumption peak time is in the daytime, so that the absorbed heat and a refrigerating unit supply cold together; the existing ice storage air conditioner has the problems of heavy weight, inconvenient movement, poor use experience and the like.
In addition, in the existing partial ice storage air conditioner, the heat exchange process is realized by directly contacting external air with ice, and the air output by the ice storage air conditioner may carry broken ice and water drops, so that the use experience of a user is reduced; and when the ice is melted into water, the melted water is generally directly discharged out of the ice storage air conditioner and cannot be reused, so that the problem that the energy consumption of the whole ice storage air conditioner is high is caused.
It is seen that improvements and enhancements to the prior art are needed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a control method of an ice storage air conditioner based on spray heat exchange, which can fully utilize the cold quantity of the melted water in a refrigerator, thereby improving the energy utilization rate of the ice storage air conditioner.
In order to achieve the purpose, the invention adopts the following technical scheme:
a control method of an ice storage air conditioner based on spray heat exchange comprises a shell, a control device, an air supply mechanism, a refrigerator storage, a pressurized water pump and a spray chamber, wherein the control device, the air supply mechanism, the refrigerator storage, the pressurized water pump and the spray chamber are arranged in the shell; the ice storage box is internally provided with a water temperature sensor, the air supply side of the air supply mechanism is provided with an air supply temperature sensor, the control device is respectively electrically connected with the pressure water pump, the air supply mechanism, the water temperature sensor and the air supply temperature sensor, and the control method comprises the following steps:
the control device acquires the set blowing control precision T0, the set blowing temperature T1 and the set ice storage box temperature T2;
the control device acquires real-time air supply temperature T11 fed back by the air supply temperature sensor and real-time water temperature T21 of the ice storage box fed back by the water temperature sensor in real time;
when T21 is larger than T2, the control device outputs a water drainage and ice change prompt;
when T21 is not less than T2 and T1-T0 is not less than T11 is not less than T1+ T0, the control device controls the rotating speed of the pressurizing water pump to be kept unchanged;
when T21 is less than or equal to T2 and T11 is more than T1+ T0, the control device controls the rotating speed of the pressurizing water pump to be increased;
when T21 is less than or equal to T2 and T11 is less than T1-T0, the control device controls and reduces the rotating speed of the pressurizing water pump.
In the control method of the ice-storage air conditioner based on spraying heat exchange, the ice-storage air conditioner further comprises an operation panel, the operation panel is arranged on the shell, the operation panel is electrically connected with the control device, the control device obtains set air supply control precision T0, set air supply temperature T1 and set temperature T2 of the ice storage box, and the method specifically comprises the following steps:
the control device obtains the set blowing control precision T0, the set blowing temperature T1 and the ice storage box set temperature T2 through the operation panel.
In the control method of the ice storage air conditioner based on spray heat exchange, the air supply mechanism comprises a plurality of fans arranged in a shell and a plurality of air supply outlets formed in the shell, the fans correspond to the air supply outlets one by one, and the fans are electrically connected with the control device; when the T21 is less than or equal to T2 and T11 is more than T1+ T0, the control device controls and increases the rotating speed of the pressurizing water pump, and the method further comprises the following steps:
the control device controls the increase of the starting number of the fans or controls the increase of the rotating speed of the started fans.
In the control method of the ice storage air conditioner based on spray heat exchange, when T21 is not more than T2 and T11 is more than T1-T0, the control device controls and reduces the rotating speed of the pressurizing water pump, and the method further comprises the following steps:
the control device controls to reduce the number of the started fans or controls to reduce the rotating speed of the started fans.
In the control method of the ice storage air conditioner based on spray heat exchange, the control method further comprises the following steps:
the operation panel feeds back the air supply outlet selected by the user to the control device;
and the control device controls the corresponding fan to be opened according to the air supply outlet information fed back by the operation panel.
In the control method of the ice storage air conditioner based on spray heat exchange, an air inlet temperature sensor is arranged on the air inlet side of the shell, and the control method further comprises the following steps:
the control device obtains the refrigeration set temperature T3 fed back by the operation panel;
the control device obtains the real-time inlet air temperature T31 fed back by the inlet air temperature sensor;
when T31 is more than or equal to T3, the control device calculates the sum and difference between air supply control precision T0 and set air supply temperature T1, the control device obtains real-time air supply temperature T11 fed back by the air supply temperature sensor and real-time water temperature T21 of the ice storage box fed back by the water temperature sensor in real time, and adjusts the working state of the ice storage air conditioner according to the comparison result between the real-time water temperature T21 and the set temperature T2 of the ice storage box and the comparison result between the real-time air supply temperature T11 and the difference and the sum respectively;
when T31 < T3, the control device controls the ice storage air conditioner to be in a standby state.
In the control method of the ice storage air conditioner based on spray heat exchange, the control method further comprises the following steps:
the control device acquires the refrigeration limit temperature T32 fed back by the operation panel;
when T31 is more than or equal to T32 and less than T3, the control device controls the ice storage air conditioner to be adjusted to a ventilation mode, controls the pressurizing water pump to stop working and controls the working state of the air supply mechanism to be kept unchanged;
when T31 < T32, the control device controls the ice storage air conditioner to be in a standby state.
In the control method of the ice storage air conditioner based on spray heat exchange, a condensed water storage tank used for collecting spray water is arranged in the spray chamber, a water return pump electrically connected with a control device is also arranged in the shell, and the condensed water storage tank is connected with the ice storage tank through the water return pump; a first liquid level detector is arranged in the condensed water storage tank and electrically connected with the control device, and the control method further comprises the following steps:
when the first real-time water level value fed back by the first liquid level detector is greater than or equal to a starting liquid level preset in the control device, the control device controls the water return pump to start working;
when the first real-time water level value fed back by the first liquid level detector is smaller than or equal to a stop liquid level preset in the control device, the control device controls the water return pump to stop working.
In the control method of the ice storage air conditioner based on spray heat exchange, a second liquid level detector is further arranged in the condensed water storage tank and electrically connected with the control device, and the control method further comprises the following steps:
when the second real-time water level value fed back by the second liquid level detector is greater than or equal to the maximum liquid level value preset in the control device, the control device controls the pressurizing water pump to be closed;
and when the second real-time water level value fed back by the second liquid level detector is less than or equal to a liquid level reset value preset in the control device, the control device controls the pressurizing water pump to be started.
Has the advantages that:
the invention provides a control method of an ice storage air conditioner based on spray heat exchange, which is characterized in that the heat exchange effect of the ice storage air conditioner is adjusted by detecting the real-time water temperature of the molten water in an ice storage box and adjusting the rotating speed of a pressurizing water pump according to the comparison result of the real-time water temperature and the set temperature of the ice storage box, namely the working state of the ice storage air conditioner is adjusted; the spraying mechanism can fully utilize the cold energy of the molten water to cool the air, thereby improving the energy utilization rate of the ice storage air conditioner and reducing the energy consumption of the whole ice storage air conditioner.
Drawings
FIG. 1 is a first logic flow diagram of a control method provided by the present invention;
FIG. 2 is a second logic flow diagram of the control method provided by the present invention;
FIG. 3 is a third logic flow diagram of a control method provided by the present invention;
FIG. 4 is a fourth logic flow diagram of a control method provided by the present invention;
FIG. 5 is a fifth logic flow diagram of a control method provided by the present invention;
fig. 6 is a schematic diagram of the internal structure of the ice storage air conditioner based on spray heat exchange provided by the invention.
Description of the main element symbols: the system comprises a shell 1, a universal wheel 11, an ice water discharge port 12, an air inlet temperature sensor 13, an air supply temperature sensor 14, an air supply temperature sensor 2, a control device 3, a power supply device 4, an air supply mechanism 41, a fan 42, an air pipe joint 42, an air supply port 43, a refrigerator 51, an ice storage cover 52, a water temperature sensor 53, a pressure water pump 6, a water return pump 7, a spray chamber 81, a spray mechanism 82, a condensate water storage tank 9, a first liquid level detector 91 and a second liquid level detector 92.
Detailed Description
The invention provides a control method of an ice storage air conditioner based on spray heat exchange, and in order to make the purpose, technical scheme and effect of the invention clearer and clearer, the invention is further described in detail by referring to the attached drawings and embodiments.
In the description of the present invention, it is to be understood that the terms "mounted," "connected," and the like are to be interpreted broadly, and those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific situations.
Referring to fig. 6, the control method of the ice storage air conditioner disclosed in the present application is used for realizing the work control of the ice storage air conditioner based on spray heat exchange, the ice storage air conditioner based on spray heat exchange includes a housing 1, and a control device 2, an air supply mechanism 4, an ice storage tank 51, a pressurized water pump 6 and a spray chamber 81 which are arranged in the housing 1, a spray mechanism 82 is arranged in the spray chamber 81, the ice storage tank 51 is connected with the spray mechanism 82 through the pressurized water pump 6, the spray chamber 81 is communicated with the ice storage chamber, spray water sprayed by the spray mechanism 82 returns to the ice storage tank 51 for ice melting after heat exchange, and the melt water enters the spray mechanism 82 through the pressurized water pump 6 to be used as a cold source of the ice storage air conditioner; an ice adding cover 52 and an ice water discharge port 12 are arranged on the shell 1, the ice adding cover 52 is used for achieving the purpose of adding ice into the ice storage box 51, and the ice water discharge port 12 is used for discharging the melted water in the ice storage box 51 to the outside of the ice storage air conditioner; the bottom of the shell 1 is provided with a plurality of universal wheels 11; a water temperature sensor 53 is arranged in the refrigerator 51, and the water temperature sensor 53 is used for detecting the temperature of the melted water in the refrigerator 51; an air supply temperature sensor 14 is arranged on the air supply side of the air supply mechanism 4, and the air supply temperature sensor 14 is used for detecting the temperature of the air output by the shell 1; the control device 2 is respectively electrically connected with the pressurizing water pump 6, the air supply mechanism 4, the water temperature sensor 53 and the air supply temperature sensor 14; in one embodiment, the control device 2 includes a power supply device 3 and a control circuit board electrically connected to the power supply device 3, the control circuit board is provided with any control chip of an STM32 series control chip, and the power supply device 3 provides a stable operating voltage for the operation of the ice storage air conditioner.
In one embodiment, the spraying mechanism 82 includes an ice water distribution device, the ice water distribution device is provided with a plurality of nozzles, and the ice storage box 51 is connected with the ice water distribution device through ice water regulation; the melted water in the ice storage box 51 enters the ice water distribution device through the pressure water pump 6 and is then output through the nozzle so as to spray and cool the air input into the spray chamber 81.
Referring to fig. 1 and 6, the present invention provides a control method of an ice storage air conditioner based on spray heat exchange, wherein the control method comprises the steps of:
s100, the control device 2 acquires set air supply control accuracy T0, set air supply temperature T1 and set ice storage box temperature T2; the set blower control accuracy T0, the set blower temperature T1, and the ice bank set temperature T2 may be preset in the control device 2, or the user may set or modify the three parameters by using an operation panel or operating a remote control.
S200, the control device 2 obtains real-time air supply temperature T11 fed back by the air supply temperature sensor 14 and real-time water temperature T21 of the ice storage tank fed back by the water temperature sensor 53 in real time; the control device 2 calculates the sum and difference between the set air supply temperature T1 and the air supply control precision T0, and respectively compares the real-time air supply temperature T11 with the sum and the difference; the control device 2 compares the ice storage tank real-time water temperature T21 with the ice storage tank set temperature T2.
S310, when T21 is greater than T2, the cold quantity of the melt water in the ice storage box 51 is indicated to be incapable of meeting the refrigeration requirement of the ice storage air conditioner, the control device 2 outputs a water drainage and ice change prompt, a user firstly discharges the melt water in the ice storage box 51 through the ice water discharge port 12 on the shell 1, and then the ice adding cover 52 on the shell 1 is opened to add ice into the ice storage box 51 and finish the cold source adding work, so that the operation is simple and convenient; in one embodiment, an operation panel is arranged on the shell 1, and the control device 2 outputs a drainage and ice-changing prompt to the operation panel for displaying, so as to remind a worker to drain water and change ice, thereby ensuring that the heat exchange work of the ice storage air conditioner is normally and orderly performed.
S320, when T21 is not less than T2, T1-T0 is not less than T11 is not less than T1+ T0, the temperature of the molten water in the ice storage box 51 still meets the heat exchange requirement of the ice storage air conditioner, namely the cold source of the ice storage air conditioner is sufficient, the actual air supply temperature is in the range of the preset air supply temperature, the control device 2 controls the rotating speed of the pressure water pump 6 to be kept unchanged, namely the cold source quantity conveyed to the spraying mechanism 82 by the pressure water pump 6 is kept unchanged.
S330, when T21 is not more than T2 and T11 is more than T1+ T0, the temperature of the molten water in the ice storage box 51 still meets the heat exchange requirement of the ice storage air conditioner, but the actual air supply temperature exceeds the range of the preset air supply temperature, the control device 2 controls and increases the rotating speed of the pressurizing water pump 6, the cold source quantity conveyed to the spraying mechanism 82 by the ice storage box 51 is increased, the heat exchange effect of the ice storage air conditioner is improved, and therefore the aim of rapidly reducing the ambient air temperature is achieved.
S340, when T21 is not more than T2 and T11 is less than T1-T0, the temperature of the molten water in the ice storage box 51 still meets the heat exchange requirement of the ice storage air conditioner, but the actual air supply temperature is lower than the preset air supply temperature range, the control device 2 controls and reduces the rotating speed of the pressurizing water pump 6, the cold source quantity conveyed to the spraying mechanism 82 by the ice storage box 51 is reduced, the heat exchange effect of the ice storage air conditioner is weakened, the ambient temperature is prevented from being too low, and the use experience of a user is improved.
The control method of the ice-storage air conditioner disclosed by the application adjusts the heat exchange effect of the ice-storage air conditioner on air, namely adjusts the working state of the ice-storage air conditioner by detecting the real-time water temperature of water in the ice storage box 51 and adjusting the rotating speed of the pressurizing water pump 6 according to the comparison result of the real-time water temperature and the set temperature of the ice storage box; the spraying mechanism 82 can fully utilize the cold energy of the molten water to cool the air; the melting heat of the ice is 336kJ/kg, the set temperature T2 of the ice storage box is assumed to be 20 ℃, the cold quantity which can be generated when the temperature of the melting water is increased from 0 ℃ to 20 ℃ is 84kJ/kg, and if the melting water is adopted to cool the air until the temperature of the melting water is increased to 20 ℃, about 25 percent of energy waste can be reduced; the control method of the ice storage air conditioner disclosed by the application realizes the work control of the ice storage air conditioner by detecting the real-time water temperature in the refrigerator 51, can fully utilize the cold energy of the molten water to cool the air, improves the energy utilization rate of the ice storage air conditioner, and reduces the energy consumption of the whole ice storage air conditioner.
Further, referring to fig. 2 and 6, the ice storage air conditioner further includes an operation panel disposed on the housing 1, the operation panel is electrically connected to the control device 2, and the control device 2 obtains a set air supply control accuracy T0, a set air supply temperature T1, and a set ice storage box temperature T2, and specifically includes the steps of:
s110, the control device 2 acquires the set blowing control precision T0, the set blowing temperature T1 and the set ice storage box temperature T2 through the operation panel; in the working process of the ice storage air conditioner, a user can adjust the sizes of the air supply control precision T0, the set air supply temperature T1 and the set temperature T2 of the ice storage box by adopting an operation panel according to actual use requirements; in one embodiment, the operating panel comprises a display screen for displaying information fed back to the control panel by the control device 2 and keyboard keys for enabling input of control instructions by a user.
Further, referring to fig. 2 and fig. 6, the air supply mechanism 4 includes a plurality of fans 41 disposed in the casing 1 and a plurality of air supply outlets 43 opened on the casing 1, the fans 41 correspond to the air supply outlets 43 one by one, and the fans 41 are electrically connected to the control device 2; when the T21 is less than or equal to T2 and the T11 is more than T1+ T0, the control device 2 controls the rotating speed of the pressurizing water pump 6 to be increased, and the method further comprises the following steps:
s331, the control device 2 controls the increase of the starting number of the fans or controls the increase of the rotating speed of the started fans; in the actual working process, at the initial stage of the ice storage air conditioner, the control device 2 firstly controls part of the fans to start working; when T11 is greater than T1+ T0, the control device 2 firstly controls and increases the rotating speed of the pressure water pump 6, so that the cold source quantity conveyed to the spraying mechanism 82 is increased, and the heat exchange effect of the ice storage air conditioner is improved, when the rotating speed of the pressure water pump 6 is greater than or equal to the preset maximum rotating speed and the T11 is still greater than T1+ T0, the control device 2 can firstly control the rotating speed of the started fan to be increased, and when the air conditioner works for a certain time, such as after the air conditioner works for 3 minutes, the real-time air supply temperature T11 is still greater than T1+ T0, the control device 2 controls the remaining fans to be started; when the real-time air supply temperature T11 is still greater than T1+ T0 after working for a certain time, such as 3 minutes, the control device 2 controls the rotating speed of all fans to increase so as to reduce the temperature of the surrounding ambient air; the mode that partial fans are controlled to be started firstly and more fans are controlled to be started when the environmental condition requirements cannot be met is adopted, so that the overall energy consumption of the ice storage air conditioner can be reduced to a certain extent.
Further, referring to fig. 2 and fig. 6, after the control device 2 controls the rotation speed of the reduced pressure water pump 6 when T21 is not more than T2 and T11 is less than T1-T0, the method further includes the steps of:
s341, the control device 2 controls to reduce the number of the started fans 41 or controls to reduce the rotation speed of the started fans; when the T11 is less than T1-T0, the control device 2 controls the rotating speed of the pressure water pump 6 to be reduced, so that the cold source quantity conveyed to the spraying mechanism 82 is reduced, the heat exchange effect of the ice storage air conditioner is weakened, when the rotating speed of the pressure water pump 6 is less than or equal to the preset minimum rotating speed and the T11 is still less than the T1-T0, the control device 2 controls the number of the started fans to be reduced, and when the real-time air supply temperature T11 is still less than the T1-T0 after the ice storage air conditioner works for one end time, such as after the ice storage air conditioner works for 3 minutes, the control device 2 controls the rotating speed of the started fans to be reduced, so that the temperature of the surrounding environment of the ice storage air conditioner.
Further, referring to fig. 3 and fig. 6, the control method further includes the steps of:
s410, the operation panel feeds the air supply outlet 43 selected by the user back to the control device 2, and the user can select the air supply outlet 43 to be opened through the operation panel, so that the use experience of the user is improved;
and S420, the control device 2 controls the corresponding fan 41 to be opened according to the air supply outlet 43 information fed back by the operation panel.
In one embodiment, a first fan and a second fan are arranged in the casing 1, a first air supply outlet communicated with the first fan and a second air supply outlet communicated with the second fan are formed in the casing 1, and the first air supply outlet is positioned above the second air supply outlet; the user can choose to supply air through the first air supply outlet positioned above or choose to supply air through the second air supply outlet positioned below or choose to supply air through the first air supply outlet and the second air supply outlet together according to actual use requirements, so that different air supply experiences are provided for the user.
Further, referring to fig. 4 and 6, an intake air temperature sensor 13 is disposed on an intake side of the housing 1, and the control method further includes the steps of:
s500, the control device 2 obtains the cooling setting temperature T3 and the cooling limit temperature T32 fed back by the operation panel, and the user can set the cooling setting temperature T3 and the cooling limit temperature T32 through the operation panel.
S510, the control device 2 obtains the real-time air inlet temperature T31 fed back by the air inlet temperature sensor 13, and compares the real-time air inlet temperature T31 with the refrigeration set temperature T3 and the refrigeration limit temperature T32 respectively.
S520, when T31 is larger than or equal to T3, the control device 2 calculates the sum and difference between the air supply control precision T0 and the set air supply temperature T1, the control device 2 obtains the real-time air supply temperature T11 fed back by the air supply temperature sensor 14 and the real-time water temperature T21 of the ice storage tank fed back by the water temperature sensor 53 in real time, and adjusts the working state of the ice storage air conditioner according to the comparison result between the real-time water temperature T21 and the set temperature T2 of the ice storage tank and the comparison result between the real-time air supply temperature T11 and the difference and the sum respectively, namely the control device 2 controls the ice storage air conditioner to sequentially execute the step S200, the step S310, the step S320, the step S330 and the step S340.
S530, when the T32 is not more than T31 and is more than T3, the control device 2 controls the ice storage air conditioner to be adjusted to be in a ventilation mode, the control device 2 controls the pressure water pump 6 to stop working, and controls the working state of the air supply mechanism 4 to be kept unchanged; the ice storage air conditioner cools the air through the cold energy remained in the spray chamber 81; when the ice thermal storage air conditioner executes the ventilation mode, the control device 2 receives the real-time air supply temperature T11 fed back by the air supply temperature sensor 14 and the real-time water temperature T21 of the ice storage tank fed back by the water temperature sensor 53 in real time.
S540, when T31 is less than T32, the control device 2 controls the ice storage air conditioner to be adjusted to a standby state; when the ice storage air conditioner is in a standby state, the pressure water pump stops working, the ice storage box 51 stops delivering the cold source to the spraying mechanism 82, the fan 41 in the shell 1 is in a stop state, and the air supply temperature sensor 14 and the water temperature sensor 53 feed back the real-time air supply temperature T11 and the real-time water temperature T21 to the control device 2 in real time.
In another embodiment, only the refrigeration set temperature T3 is set in the control device 2, and when T31 is more than or equal to T3, the control device 2 controls the ice storage air conditioner to execute the refrigeration mode; when T31 < T3, the control device 2 controls the ice thermal storage air conditioner to be in a standby state.
Further, referring to fig. 5 and 6, a condensed water storage tank 9 for collecting the sprayed water is disposed in the spraying chamber 81, a return pump 7 electrically connected to the control device 2 is further disposed in the housing 1, and the condensed water storage tank 9 is connected to the refrigerator 51 through the return pump 7; a first liquid level detector 91 is arranged in the condensed water storage tank 9, the first liquid level detector 91 is electrically connected with the control device 2, and the control method further comprises the following steps:
s610, when the first real-time water level value fed back by the first liquid level detector 91 is larger than or equal to the starting liquid level preset in the control device 2, the control device 2 controls the water return pump 7 to start working, the problem that the spray water overflows due to the fact that the spray water stored in the condensate water storage tank 9 is too much is avoided, and the stability and the reliability of the ice storage air conditioner during working are improved.
S620, when the first real-time water level value fed back by the first liquid level detector 91 is smaller than or equal to a stop liquid level preset in the control device 2, the control device 2 controls the water return pump 7 to stop working; the liquid level is stopped, the water return pump 7 is protected, the air pumping condition of the water return pump 7 is avoided, and the stability and the reliability of the ice storage air conditioner during working are improved.
Further, referring to fig. 5 and 6, a second liquid level detector 92 is further disposed in the condensed water storage tank 9, the second liquid level detector 92 is electrically connected to the control device 2, and the control method further includes the steps of:
s630, when the second real-time water level value fed back by the second liquid level detector 92 is greater than or equal to the maximum liquid level value preset in the control device 2, the control device 2 controls the pressurizing water pump 6 to be closed, and the water return pump 7 continuously pumps the spraying return water in the condensed water storage tank 9 to the ice storage tank 51, so that the problem that the spraying water overflows due to the fact that the spraying water stored in the condensed water storage tank 9 is too much is avoided, and the stability and the reliability of the ice storage air conditioner during working are improved.
S640, when the second real-time water level value fed back by the second liquid level detector 92 is smaller than or equal to a liquid level reset value preset in the control device 2, the control device 2 controls the pressurizing water pump 6 to be started, so that the water level in the condensed water storage tank 9 is prevented from being too low; when the pressure water pump 6 is turned on, the control device 2 controls the ice thermal storage air conditioner to sequentially perform step S200, step S310, step S320, step S330, and step S340, and adjusts the rotation speed of the pressure water pump 6.
In one embodiment, the level corresponding to the maximum liquid level is higher than the level corresponding to the start liquid level of the water return pump, the level corresponding to the start liquid level of the water return pump is higher than the level corresponding to the reset liquid level, and the level corresponding to the reset liquid level is higher than the level corresponding to the stop liquid level of the water return pump.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the protective scope of the present invention.
Claims (9)
1. A control method of an ice storage air conditioner based on spray heat exchange is characterized in that the ice storage air conditioner comprises a shell, a control device, an air supply mechanism, a refrigerator storage, a pressure water pump and a spray chamber, wherein the control device, the air supply mechanism, the refrigerator storage, the pressure water pump and the spray chamber are arranged in the shell; the ice storage box is internally provided with a water temperature sensor, the air supply side of the air supply mechanism is provided with an air supply temperature sensor, the control device is respectively electrically connected with the pressure water pump, the air supply mechanism, the water temperature sensor and the air supply temperature sensor, and the control method comprises the following steps:
the control device acquires the set blowing control precision T0, the set blowing temperature T1 and the set ice storage box temperature T2;
the control device acquires real-time air supply temperature T11 fed back by the air supply temperature sensor and real-time water temperature T21 of the ice storage box fed back by the water temperature sensor in real time;
when T21 is larger than T2, the control device outputs a water drainage and ice change prompt;
when T21 is not less than T2 and T1-T0 is not less than T11 is not less than T1+ T0, the control device controls the rotating speed of the pressurizing water pump to be kept unchanged;
when T21 is less than or equal to T2 and T11 is more than T1+ T0, the control device controls the rotating speed of the pressurizing water pump to be increased;
when T21 is less than or equal to T2 and T11 is less than T1-T0, the control device controls and reduces the rotating speed of the pressurizing water pump.
2. The method as claimed in claim 1, wherein the ice thermal storage air conditioner further comprises an operation panel disposed on the housing, the operation panel is electrically connected to the control device, and the control device obtains the set air supply control accuracy T0, the set air supply temperature T1 and the set ice storage tank temperature T2, and specifically comprises the steps of:
the control device obtains the set blowing control precision T0, the set blowing temperature T1 and the ice storage box set temperature T2 through the operation panel.
3. The control method of the ice cold storage air conditioner based on the spray heat exchange as claimed in claim 2, wherein the air supply mechanism comprises a plurality of fans arranged in the housing and a plurality of air supply outlets arranged on the housing, the fans correspond to the air supply outlets one by one, and the fans are electrically connected with the control device; when the T21 is less than or equal to T2 and T11 is more than T1+ T0, the control device controls and increases the rotating speed of the pressurizing water pump, and the method further comprises the following steps:
the control device controls the increase of the starting number of the fans or controls the increase of the rotating speed of the started fans.
4. The control method of the ice storage air conditioner based on the spray heat exchange as claimed in claim 3, wherein when T21 is not less than T2 and T11 is less than T1-T0, after the control device controls to reduce the rotation speed of the pressurized water pump, the method further comprises the following steps:
the control device controls to reduce the number of the started fans or controls to reduce the rotating speed of the started fans.
5. The control method of the ice storage air conditioner based on the spray heat exchange as claimed in claim 3, wherein the control method further comprises the steps of:
the operation panel feeds back the air supply outlet selected by the user to the control device;
and the control device controls the corresponding fan to be opened according to the air supply outlet information fed back by the operation panel.
6. The control method of the ice storage air conditioner based on the spray heat exchange as claimed in claim 2, wherein the air inlet side of the shell is provided with an inlet air temperature sensor, and the control method further comprises the following steps:
the control device obtains the refrigeration set temperature T3 fed back by the operation panel;
the control device obtains the real-time inlet air temperature T31 fed back by the inlet air temperature sensor;
when T31 is more than or equal to T3, the control device calculates the sum and difference between air supply control precision T0 and set air supply temperature T1, the control device obtains real-time air supply temperature T11 fed back by the air supply temperature sensor and real-time water temperature T21 of the ice storage box fed back by the water temperature sensor in real time, and adjusts the working state of the ice storage air conditioner according to the comparison result between the real-time water temperature T21 and the set temperature T2 of the ice storage box and the comparison result between the real-time air supply temperature T11 and the difference and the sum respectively;
when T31 < T3, the control device controls the ice storage air conditioner to be in a standby state.
7. The control method of the ice storage air conditioner based on the spray heat exchange as claimed in claim 6, wherein the control method further comprises the steps of:
the control device acquires the refrigeration limit temperature T32 fed back by the operation panel;
when T31 is more than or equal to T32 and less than T3, the control device controls the ice storage air conditioner to be adjusted to a ventilation mode, controls the pressurizing water pump to stop working and controls the working state of the air supply mechanism to be kept unchanged;
when T31 < T32, the control device controls the ice storage air conditioner to be in a standby state.
8. The control method of the ice cold storage air conditioner based on the spray heat exchange as claimed in claim 1, wherein a condensed water storage tank for collecting the spray water is arranged in the spray chamber, a return pump electrically connected with the control device is further arranged in the housing, and the condensed water storage tank is connected with the ice storage tank through the return pump; a first liquid level detector is arranged in the condensed water storage tank and electrically connected with the control device, and the control method further comprises the following steps:
when the first real-time water level value fed back by the first liquid level detector is greater than or equal to a starting liquid level preset in the control device, the control device controls the water return pump to start working;
when the first real-time water level value fed back by the first liquid level detector is smaller than or equal to a stop liquid level preset in the control device, the control device controls the water return pump to stop working.
9. The control method of the ice cold storage air conditioner based on spray heat exchange of the claim 8, wherein the condensed water storage tank is further provided with a second liquid level detector, the second liquid level detector is electrically connected with the control device, and the control method further comprises the following steps:
when the second real-time water level value fed back by the second liquid level detector is greater than or equal to the maximum liquid level value preset in the control device, the control device controls the pressurizing water pump to be closed;
and when the second real-time water level value fed back by the second liquid level detector is less than or equal to a liquid level reset value preset in the control device, the control device controls the pressurizing water pump to be started.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003754A (en) * | 2010-11-30 | 2011-04-06 | 江苏兆胜空调有限公司 | Low temperature air supply air conditioner device for naval vessels and control method thereof |
| CN102011604A (en) * | 2010-12-23 | 2011-04-13 | 中国矿业大学 | Movable mine ice-storage air conditioner |
| CN104501525A (en) * | 2014-12-23 | 2015-04-08 | 姜芬 | Control method of temperature and humidity regulating device for fruit and vegetable storehouse |
| CN107143967A (en) * | 2017-04-08 | 2017-09-08 | 云南师范大学 | One drags the control system of many photovoltaic cold storage of ice making air-conditionings |
| CN107514722A (en) * | 2017-09-29 | 2017-12-26 | 广东机电职业技术学院 | A kind of intelligent cold-storage domestic fan |
| CN108561986A (en) * | 2018-03-28 | 2018-09-21 | 广东申菱环境系统股份有限公司 | A kind of low-temperature receiver module and its control method that indirect evaporating-cooling is combined with mechanical refrigeration |
-
2020
- 2020-12-18 CN CN202011506276.9A patent/CN112682911B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003754A (en) * | 2010-11-30 | 2011-04-06 | 江苏兆胜空调有限公司 | Low temperature air supply air conditioner device for naval vessels and control method thereof |
| CN102011604A (en) * | 2010-12-23 | 2011-04-13 | 中国矿业大学 | Movable mine ice-storage air conditioner |
| CN104501525A (en) * | 2014-12-23 | 2015-04-08 | 姜芬 | Control method of temperature and humidity regulating device for fruit and vegetable storehouse |
| CN107143967A (en) * | 2017-04-08 | 2017-09-08 | 云南师范大学 | One drags the control system of many photovoltaic cold storage of ice making air-conditionings |
| CN107514722A (en) * | 2017-09-29 | 2017-12-26 | 广东机电职业技术学院 | A kind of intelligent cold-storage domestic fan |
| CN108561986A (en) * | 2018-03-28 | 2018-09-21 | 广东申菱环境系统股份有限公司 | A kind of low-temperature receiver module and its control method that indirect evaporating-cooling is combined with mechanical refrigeration |
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| CN112682911B (en) | 2022-07-26 |
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