Control method and device of granary cooling equipment, electronic equipment and storage medium

Abstract

The invention provides a control method and device for granary cooling equipment, electronic equipment and a storage medium. The control method comprises the steps that a first temperature value outside a granary and a second temperature value inside the granary are determined; according to the first temperature value and the second temperature value, the temperature pre-cooling duration is determined, and when grains are guided into the granary, the cooling equipment is controlled to run the temperature pre-cooling duration at the first running power; after the cooling equipment is controlled to operate for the temperature pre-cooling duration at the first operating power, the cooling equipment operates at the second operating power; the first operation power is greater than the second operation power; when the temperature value of the grain surface is reduced to a preset first threshold value, the cooling equipment is operated at third operation power; the third operation power is greater than the second operation power; when the surface temperature of the grains is reduced to a preset second threshold value, the cooling equipment is operated at fourth operation power; the first threshold is greater than the second threshold. According to the embodiment of the invention, the problem that the surface of the grain is dewed due to rapid cooling can be avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of granary temperature management, and in particular to a control method for granary cooling equipment, a control device for granary cooling equipment, an electronic device and a computer-readable storage medium. Background Art

[0002] During grain storage, maintaining appropriate temperature and humidity is crucial to preventing grain from mildew, insect infestation and maintaining its quality.

[0003] At present, the commonly used temperature control methods in granaries mainly include natural ventilation, mechanical ventilation and traditional air-conditioning systems.

[0004] Among them, natural ventilation is greatly affected by seasons and weather, and the control effect is unstable; although mechanical ventilation can improve the warehouse environment to a certain extent, the accuracy of temperature and humidity control is limited.

[0005] Although traditional air-conditioning systems can achieve relatively precise temperature and humidity control, they have high energy consumption and high operating costs. In large-space applications such as granaries, there are problems such as uneven cooling distribution and low energy efficiency.

[0006] In particular, existing air-conditioning systems often directly cool the interior of the granary, ignoring the condensation on the grain surface that may occur due to rapid cooling when there is a large temperature difference between the inside and outside of the granary. This not only affects the quality of the grain, but may also promote the growth of microorganisms and increase storage risks.

[0007] Therefore, it is particularly important to develop a granary air conditioning precooling method that can both efficiently reduce temperature and avoid condensation problems. Summary of the invention

[0008] In view of the above problems, a control method for a granary cooling device, a control device for a granary cooling device, an electronic device and a computer-readable storage medium are proposed to overcome the above problems or at least partially solve the above problems, including:

[0009] A control method for a granary cooling device, the method comprising:

[0010] Determining a first temperature value outside the granary and a second temperature value inside the granary;

[0011] Determine the temperature precooling time according to the first temperature value and the second temperature value, and control the cooling device to operate at the first operating power for the temperature precooling time when the grain is introduced into the granary;

[0012] After controlling the cooling device to operate at the first operating power for the temperature precooling time, the cooling device is operated at a second operating power; the first operating power is greater than the second operating power;

[0013] When the temperature value of the grain surface drops to a preset first threshold value, the cooling device is operated at a third operating power; the third operating power is greater than the second operating power;

[0014] When the surface temperature of the grain drops to a preset second threshold, the cooling device is operated at a fourth operating power; the first threshold is greater than the second threshold.

[0015] Optionally, determining the temperature precooling time according to the first temperature value and the second temperature value includes:

[0016] calculating a difference between the first temperature value and the second temperature value;

[0017] The temperature precooling time is determined according to the difference and the first operating power.

[0018] Optionally, determining the temperature precooling time according to the difference and the first operating power includes:

[0019] Determine the space size of the granary and the space ratio coefficient of the preset space and cooling capacity;

[0020] The temperature precooling time is calculated according to the space size of the granary, the space ratio coefficient, the first operating power, and the difference.

[0021] Optionally, the calculating the temperature precooling time according to the space size of the granary, the space ratio coefficient, the first operating power, and the difference includes:

[0022] The temperature precooling time T is calculated based on the following formula:

[0023] T=P / (V*K*t 3 );

[0024] Where P is the first operating power, V is the space size, K is the space ratio coefficient, t 3 is the difference.

[0025] Optionally, the second operating power is half of the first operating power.

[0026] Optionally, the third operating power is the maximum operating power of the cooling device.

[0027] Optionally, when controlling the temperature reduction device to operate at the first operating power for the temperature precooling time, the method further includes:

[0028] When it is detected that condensation begins on the surface of the grain, the cooling device is operated at the second operating power.

[0029] Optionally, when the cooling device is operated at a fourth operating power, the method further includes:

[0030] The temperature of the grain surface is detected, and the temperature of the grain surface is maintained at a target temperature by controlling the cooling device.

[0031] Optionally, the cooling equipment includes an air conditioner and a fan.

[0032] The embodiment of the present invention further provides a control device for a granary cooling device, the device comprising:

[0033] A determination module, used to determine a first temperature value outside the granary and a second temperature value inside the granary;

[0034] A first control module is used to determine the temperature precooling time according to the first temperature value and the second temperature value, and control the cooling device to operate at a first operating power for the temperature precooling time when the grain is introduced into the granary;

[0035] A second control module is used to control the cooling device to operate at the second operating power after operating the cooling device at the first operating power for the temperature precooling time; the first operating power is greater than the second operating power;

[0036] A third control module is used to operate the cooling device at a third operating power when the temperature value of the grain surface drops to a preset first threshold value; the third operating power is greater than the second operating power;

[0037] The fourth control module is used to operate the cooling device at a fourth operating power when the surface temperature of the grain drops to a preset second threshold; the first threshold is greater than the second threshold.

[0038] Optionally, the determination module is used to calculate the difference between the first temperature value and the second temperature value; and determine the temperature precooling time according to the difference and the first operating power.

[0039] Optionally, the determination module is used to determine the space size of the granary and the space ratio coefficient of the preset space and cooling capacity; and calculate the temperature precooling time according to the space size of the granary, the space ratio coefficient, the first operating power, and the difference.

[0040] Optionally, the determination module is used to calculate the temperature precooling time T based on the following formula: T = P / (V * K * t 3 ), where P is the first operating power, V is the space size, K is the space ratio coefficient, t 3 is the difference.

[0041] Optionally, the second operating power is half of the first operating power.

[0042] Optionally, the third operating power is the maximum operating power of the cooling device.

[0043] Optionally, the first control module is further used to control the cooling device to operate at the first operating power for the temperature precooling time, and when it is detected that condensation begins on the surface of the grain, operate the cooling device at the second operating power.

[0044] Optionally, the first control module is further used to detect the temperature of the grain surface when the cooling device is operated at a fourth operating power, and to maintain the temperature of the grain surface at a target temperature by controlling the cooling device.

[0045] Optionally, the cooling equipment includes an air conditioner and a fan.

[0046] An embodiment of the present invention also provides an electronic device, including a processor, a memory, and a computer program stored in the memory and capable of running on the processor, wherein the computer program implements the above-mentioned control method of the granary cooling equipment when executed by the processor.

[0047] An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the control method of the granary cooling device as described above is implemented.

[0048] The embodiments of the present invention have the following advantages:

[0049] In the embodiment of the present invention, a first temperature value outside the granary and a second temperature value inside the granary are determined; the temperature pre-cooling time is determined according to the first temperature value and the second temperature value, and when the grain is introduced into the granary, the cooling device is controlled to operate at the first operating power for the temperature pre-cooling time; after the cooling device is controlled to operate at the first operating power for the temperature pre-cooling time, the cooling device is operated at the second operating power; the first operating power is greater than the second operating power; when the temperature value of the grain surface is reduced to a preset first threshold value, the cooling device is operated at a third operating power; the third operating power is greater than the second operating power; when the surface temperature of the grain is reduced to a preset second threshold value, the cooling device is operated at a fourth operating power; the first threshold value is greater than the second threshold value. Through the embodiment of the present invention, the granary can be pre-cooled when the grain is put into the warehouse; and then gradient cooling is performed. Fine temperature control can effectively avoid the problem of condensation on the surface of the grain due to rapid cooling, thereby ensuring the quality of the grain stored in the granary. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] In order to more clearly illustrate the technical solution of the present invention, the accompanying drawings required for use in the description of the present invention will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative labor.

[0051] Figure 1 This is a flow chart of steps of a control method of a granary cooling device according to an embodiment of the present invention;

[0052] Figure 2 is a flowchart of another method for controlling a granary cooling device according to an embodiment of the present invention;

[0053] Figure 3 This is a flowchart of the steps of another method for controlling a granary cooling device according to an embodiment of the present invention;

[0054] Figure 4 is a flowchart of steps for determining the temperature precooling time according to an embodiment of the present invention;

[0055] Figure 5 It is a structural schematic diagram of a control device of a granary cooling device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0056] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0057] In order to efficiently cool down and avoid condensation on grain in the granary, the embodiment of the present invention provides a control method for a granary cooling device, which can pre-cool the granary before the grain enters the granary, and then perform gradient cooling. Fine temperature control can effectively avoid condensation on the grain surface due to rapid cooling, thereby ensuring the quality of the grain stored in the granary.

[0058] For details, please refer to Figure 1 , showing a step flow chart of a control method for a granary cooling device according to an embodiment of the present invention.

[0059] like Figure 1 As shown, the control method of the granary cooling device may include the following steps:

[0060] Step 101: Determine a first temperature value outside the granary and a second temperature value inside the granary.

[0061] In an embodiment of the present invention, temperature sensors and humidity sensors may be respectively arranged inside and outside the granary so as to monitor the environmental parameters inside and outside the granary in real time; specifically, a first temperature value collected from the outside of the granary may be first obtained from the temperature sensor; in addition, a second temperature value collected from the inside of the granary may be obtained from the temperature sensor.

[0062] Step 102: determine the temperature precooling time according to the first temperature value and the second temperature value, and control the cooling device to operate at the first operating power for the temperature precooling time when introducing grain into the granary.

[0063] After determining the first temperature value and the second temperature value, the temperature precooling time may be determined first, that is, the precooling time when the grain is introduced into the granary.

[0064] Specifically, after the first temperature value and the second temperature value are determined, the temperature precooling time may be calculated according to the first temperature value and the second temperature value.

[0065] Then, the timing can be started when the grain is introduced into the granary, and the cooling equipment can be controlled to operate at the first operating power and continue the temperature precooling time to quickly reduce the temperature of the grain surface to a temperature close to the temperature outside the granary.

[0066] In one embodiment of the present invention, the cooling device includes an air conditioner and a fan.

[0067] In some feasible embodiments, the first operating power may include a first air-conditioning power and a first fan power for the air-conditioning; when the grain is started to be introduced into the granary, the air-conditioning may be controlled to pre-cool for a period of time at the first air-conditioning power operating temperature; in addition, the fan may be controlled to pre-cool for a period of time at the first fan power operating temperature, and this embodiment of the present invention does not impose any restrictions on this.

[0068] Step 103: After controlling the cooling device to operate at the first operating power for a precooling period, the cooling device is operated at the second operating power; the first operating power is greater than the second operating power.

[0069] After controlling the cooling equipment to operate at the first operating power for the pre-cooling period, in order to avoid continuing to cool the interior of the granary at a higher power, which may cause condensation on the surface of the grain inside the granary, the cooling equipment may be controlled to operate at a second operating power lower than the first operating power.

[0070] In practical applications, the actual value of the first operating power and the actual value of the second operating power can be set according to actual conditions, and the embodiment of the present invention does not limit this.

[0071] Exemplarily, the second operating power may include a second air conditioning power and a second fan power; when the cooling device is controlled to operate at the second operating power, the air conditioner can be controlled to operate at the second air conditioning power; in addition, the fan can also be controlled to operate at the second fan power, and the embodiment of the present invention is not limited to this.

[0072] Step 104: When the temperature value of the grain surface drops to a preset first threshold value, the cooling device is operated at a third operating power; the third operating power is greater than the second operating power.

[0073] In the embodiment of the present invention, after the cooling device is operated at the second operating power for a period of time, the temperature of the grain surface can be obtained; specifically, the temperature of the grain surface can be obtained from a temperature sensor.

[0074] Then, it can be detected whether the temperature of the surface of the currently acquired grain is lower than a preset first threshold; illustratively, the first threshold may be 20 degrees Celsius.

[0075] When it is detected that the temperature of the grain surface currently obtained is not lower than the preset first threshold value, the cooling device can continue to operate at the second operating power.

[0076] On the contrary, if it is detected that the temperature of the current grain surface is lower than the preset first threshold, it may mean that the temperature of the grain in the granary is already low and condensation is not likely to occur; at this time, the cooling equipment can be controlled to operate at a third operating power greater than the second operating power, so as to quickly cool down the granary.

[0077] Exemplarily, the third operating power may include a third air conditioning power and a third fan power; when the cooling device is controlled to operate at the third operating power, the air conditioner may be controlled to operate at the third air conditioning power; in addition, the fan may also be controlled to operate at the third fan power, and this embodiment of the present invention is not limited to this.

[0078] Step 105: When the surface temperature of the grain drops to a preset second threshold, the cooling device is operated at a fourth operating power; the first threshold is greater than the second threshold.

[0079] When the cooling device is operated at the third operating power, the temperature of the grain surface can continue to be detected, and whether the currently acquired grain surface temperature is lower than a second threshold value can be detected; wherein the second threshold value can be lower than the first threshold value. Exemplarily, the second threshold value can be 15 degrees Celsius.

[0080] When it is detected that the temperature of the grain surface currently obtained is not lower than the preset second threshold value, the cooling device can continue to operate at the third operating power.

[0081] On the contrary, if it is detected that the temperature of the currently acquired grain surface is lower than the preset second threshold value, it may indicate that the temperature of the grain in the granary has reached the normal storage temperature; at this time, the cooling device can be controlled to operate at the fourth operating power to maintain the temperature of the granary.

[0082] Exemplarily, the fourth operating power may include a fourth air conditioning power and a fourth fan power; when the cooling device is controlled to operate at the fourth operating power, the air conditioner may be controlled to operate at the fourth air conditioning power; in addition, the fan may also be controlled to operate at the fourth fan power, which is not limited in this embodiment of the present invention.

[0083] In the embodiment of the present invention, a first temperature value outside the granary and a second temperature value inside the granary are determined; the temperature pre-cooling time is determined according to the first temperature value and the second temperature value, and when the grain is introduced into the granary, the cooling device is controlled to operate at the first operating power for the temperature pre-cooling time; after the cooling device is controlled to operate at the first operating power for the temperature pre-cooling time, the cooling device is operated at the second operating power; the first operating power is greater than the second operating power; when the temperature value of the grain surface is reduced to a preset first threshold value, the cooling device is operated at a third operating power; the third operating power is greater than the second operating power; when the surface temperature of the grain is reduced to a preset second threshold value, the cooling device is operated at a fourth operating power; the first threshold value is greater than the second threshold value. Through the embodiment of the present invention, the granary can be pre-cooled when the grain is put into the warehouse; and then gradient cooling is performed. Fine temperature control can effectively avoid the problem of condensation on the surface of the grain due to rapid cooling, thereby ensuring the quality of the grain stored in the granary.

[0084] Reference Figure 2, shows a flow chart of another method for controlling a granary cooling device according to an embodiment of the present invention, which may include the following steps:

[0085] Step 201: Determine a first temperature value outside the granary and a second temperature value inside the granary.

[0086] In practical applications, temperature sensors and humidity sensors can be set inside and outside the granary respectively to monitor the environmental parameters inside and outside the granary in real time; specifically, a first temperature value collected from the outside of the granary can be obtained from the temperature sensor; in addition, a second temperature value collected from the inside of the granary can be obtained from the temperature sensor.

[0087] Step 202: Calculate the difference between the first temperature value and the second temperature value.

[0088] After determining the first temperature value and the second temperature value, the temperature precooling time may be determined first, that is, the precooling time when the grain is introduced into the granary.

[0089] Specifically, after the first temperature value and the second temperature value are determined, the difference between the first temperature value and the second temperature value may be calculated first.

[0090] Step 203: Determine the temperature precooling time according to the difference and the first operating power.

[0091] In practical applications, the temperature precooling time can be calculated based on the difference and the first operating power.

[0092] Step 204: When the grain is introduced into the granary, the cooling device is controlled to operate at the first operating power and the pre-cooling time at the operating temperature.

[0093] Then, the timing can be started when the grain is introduced into the granary, and the cooling equipment can be controlled to operate at the first operating power and continue the temperature precooling time to quickly reduce the temperature of the grain surface to a temperature close to the temperature outside the granary.

[0094] In some feasible embodiments, the first operating power may include a first air-conditioning power and a first fan power for the air-conditioning; when the grain is started to be introduced into the granary, the air-conditioning may be controlled to pre-cool for a period of time at the first air-conditioning power operating temperature; in addition, the fan may be controlled to pre-cool for a period of time at the first fan power operating temperature, and this embodiment of the present invention does not impose any restrictions on this.

[0095] Step 205: After controlling the cooling device to operate at the first operating power for a precooling period, the cooling device is operated at the second operating power.

[0096] After controlling the cooling equipment to operate at the first operating power for the pre-cooling period, in order to avoid continuing to cool the interior of the granary at a higher power, which may cause condensation on the surface of the grain inside the granary, the cooling equipment may be controlled to operate at a second operating power lower than the first operating power.

[0097] In practical applications, the actual value of the first operating power and the actual value of the second operating power can be set according to actual conditions, and the embodiment of the present invention does not limit this.

[0098] Exemplarily, the second operating power may include a second air conditioning power and a second fan power; when the cooling device is controlled to operate at the second operating power, the air conditioner can be controlled to operate at the second air conditioning power; in addition, the fan can also be controlled to operate at the second fan power, and the embodiment of the present invention is not limited to this.

[0099] In one embodiment of the present invention, the second operating power is half of the first operating power.

[0100] In some feasible embodiments, the second operating power may be half of the first operating power, and the first operating power may be the maximum power of the cooling device, which is not limited in this embodiment of the present invention.

[0101] In one embodiment of the present invention, when controlling the cooling device to operate at the first operating power for a precooling time, the method further includes:

[0102] When condensation is detected on the grain surface, the cooling device is operated at the second operating power.

[0103] In some feasible embodiments, when controlling the cooling device to operate at the first operating power and pre-cooling time, it is also possible to detect whether condensation has begun on the surface of the grain poured into the granary; illustratively, after the image acquisition device recognizes the image captured by the image acquisition device of the grain inside the granary, it is possible to analyze whether condensation has begun on the surface of the grain poured into the granary.

[0104] If it is detected that the surface of the grain poured into the granary has not begun to condense, the cooling device can continue to be controlled to operate at the first operating power and temperature for precooling time.

[0105] On the contrary, if it is detected that condensation has begun on the surface of the grain poured into the grain bin, the cooling device can be operated at the second operating power.

[0106] Step 206: When the temperature value of the grain surface drops to a preset first threshold value, the cooling device is operated at a third operating power.

[0107] In the embodiment of the present invention, after the cooling device is operated at the second operating power for a period of time, the temperature of the grain surface can be obtained; specifically, the temperature of the grain surface can be obtained from a temperature sensor.

[0108] Then, it can be detected whether the temperature of the currently acquired grain surface is lower than a preset first threshold.

[0109] When it is detected that the temperature of the grain surface currently obtained is not lower than the preset first threshold value, the cooling device can continue to operate at the second operating power.

[0110] On the contrary, if it is detected that the temperature of the current grain surface is lower than the preset first threshold, it may mean that the temperature of the grain in the granary is already low and condensation is not likely to occur; at this time, the cooling equipment can be controlled to operate at a third operating power greater than the second operating power, so as to quickly cool down the granary.

[0111] Exemplarily, the third operating power may include a third air conditioning power and a third fan power; when the cooling device is controlled to operate at the third operating power, the air conditioner may be controlled to operate at the third air conditioning power; in addition, the fan may also be controlled to operate at the third fan power, and this embodiment of the present invention is not limited to this.

[0112] In one embodiment of the present invention, the third operating power is the maximum operating power of the cooling device.

[0113] In some feasible embodiments, the third operating power may be the maximum operating power of the cooling device to quickly reduce the temperature of the granary to the storage temperature.

[0114] Step 207: When the surface temperature of the grain drops to a preset second threshold, the cooling device is operated at a fourth operating power.

[0115] When the cooling device is operated at the third operating power, the temperature of the grain surface can continue to be detected, and it can be detected whether the currently acquired temperature of the grain surface is lower than the second threshold; wherein the second threshold can be lower than the first threshold.

[0116] When it is detected that the temperature of the grain surface currently obtained is not lower than the preset second threshold value, the cooling device can continue to operate at the third operating power.

[0117] On the contrary, if it is detected that the temperature of the currently acquired grain surface is lower than the preset second threshold value, it may indicate that the temperature of the grain in the granary has reached the normal storage temperature; at this time, the cooling device can be controlled to operate at the fourth operating power to maintain the temperature of the granary.

[0118] Exemplarily, the fourth operating power may include a fourth air conditioning power and a fourth fan power; when the cooling device is controlled to operate at the fourth operating power, the air conditioner may be controlled to operate at the fourth air conditioning power; in addition, the fan may also be controlled to operate at the fourth fan power, which is not limited in this embodiment of the present invention.

[0119] In one embodiment of the present invention, when the cooling device is operated at the fourth operating power, the method further includes:

[0120] Detect the temperature of the grain surface and control the cooling equipment to maintain the grain surface temperature at the target temperature.

[0121] In some feasible embodiments, when the cooling device is operated at the fourth operating power, the surface temperature of the grain in the grain bin may continue to be detected.

[0122] Based on the current surface temperature of the grain, the cooling equipment can be controlled to maintain the surface temperature of the grain in the granary at a target temperature; the target temperature can refer to the storage temperature of the grain, for example, it can be 15 degrees Celsius.

[0123] In an embodiment of the present invention, a first temperature value outside the granary and a second temperature value inside the granary are determined; the difference between the first temperature value and the second temperature value is calculated; the temperature precooling time is determined according to the difference and the first operating power; when introducing grain into the granary, the cooling device is controlled to operate at the first operating power for the temperature precooling time; after controlling the cooling device to operate at the first operating power for the temperature precooling time, the cooling device is operated at the second operating power; when the temperature value on the surface of the grain is reduced to a preset first threshold value, the cooling device is operated at a third operating power; when the surface temperature of the grain is reduced to a preset second threshold value, the cooling device is operated at a fourth operating power. Through the embodiment of the present invention, the granary can be precooled when the grain is put into the warehouse; and then gradient cooling can be performed. Fine temperature control can effectively avoid the problem of condensation on the surface of the grain due to rapid cooling, thereby ensuring the quality of the grain stored in the granary.

[0124] Reference Figure 3 , shows a flow chart of steps of another method for controlling a granary cooling device according to an embodiment of the present invention, which may include the following steps:

[0125] Step 301: Determine a first temperature value outside the granary and a second temperature value inside the granary.

[0126] In practical applications, temperature sensors and humidity sensors can be set inside and outside the granary respectively to monitor the environmental parameters inside and outside the granary in real time; specifically, a first temperature value collected from the outside of the granary can be obtained from the temperature sensor; in addition, a second temperature value collected from the inside of the granary can be obtained from the temperature sensor.

[0127] Step 302: Calculate the difference between the first temperature value and the second temperature value.

[0128] After determining the first temperature value and the second temperature value, the temperature precooling time may be determined first, that is, the precooling time when the grain is introduced into the granary.

[0129] Specifically, after the first temperature value and the second temperature value are determined, the difference between the first temperature value and the second temperature value may be calculated first.

[0130] Step 303: Determine the space size of the granary and the space ratio coefficient of the preset space and cooling capacity.

[0131] In some feasible embodiments, the size of the storage space of the grain silo and the preset space ratio coefficient of the space and the cooling capacity can also be determined. The space ratio coefficient of the space and the cooling capacity can be set according to actual conditions, and its unit can be [time / (volume*temperature)].

[0132] Step 304: Calculate the temperature precooling time according to the space size of the granary, the space ratio coefficient, the first operating power, and the difference.

[0133] After obtaining the space size, space ratio coefficient, first operating power, and difference of the granary, the temperature precooling time,

[0134] In some feasible embodiments, the temperature precooling time T may be calculated based on the following formula:

[0135] Based on the following formula, calculate the temperature precooling time T:

[0136] T=P / (V*K*t 3 );

[0137] Where P is the first operating power, V is the space size, K is the space ratio coefficient, t 3 is the difference.

[0138] For example, Figure 4 As shown, the first temperature value t can be determined first 1 and the second temperature value t 2 .

[0139] Then, the temperature difference between the inside and outside of the granary can be calculated: that is, t 3 =t 1 -t 2 .

[0140] Next, based on the above formula T=P / (V*K*t 3 ), calculate the granary temperature precooling time T.

[0141] Step 305: When the grain is introduced into the granary, the cooling device is controlled to operate at the first operating power for a pre-cooling time.

[0142] After determining the temperature precooling time, you can start timing when you start pouring grain into the granary, and start controlling the cooling equipment to operate at the first operating power and continue the temperature precooling time to quickly lower the temperature of the grain surface to a temperature close to the temperature outside the granary.

[0143] In some feasible embodiments, the first operating power may include a first air-conditioning power and a first fan power for the air-conditioning; when the grain is started to be introduced into the granary, the air-conditioning may be controlled to pre-cool for a period of time at the first air-conditioning power operating temperature; in addition, the fan may be controlled to pre-cool for a period of time at the first fan power operating temperature, and this embodiment of the present invention does not impose any restrictions on this.

[0144] Step 306: After controlling the cooling device to operate at the first operating power for a precooling period, operate the cooling device at the second operating power.

[0145] After controlling the cooling equipment to operate at the first operating power for the pre-cooling period, in order to avoid continuing to cool the interior of the granary at a higher power, which may cause condensation on the surface of the grain inside the granary, the cooling equipment may be controlled to operate at a second operating power lower than the first operating power.

[0146] In practical applications, the actual value of the first operating power and the actual value of the second operating power can be set according to actual conditions, and the embodiment of the present invention does not limit this.

[0147] Exemplarily, the second operating power may include a second air conditioning power and a second fan power; when the cooling device is controlled to operate at the second operating power, the air conditioner can be controlled to operate at the second air conditioning power; in addition, the fan can also be controlled to operate at the second fan power, and the embodiment of the present invention is not limited to this.

[0148] In some feasible embodiments, when controlling the cooling device to operate at the first operating power and pre-cooling time, it is also possible to detect whether condensation has begun on the surface of the grain poured into the granary; illustratively, after the image acquisition device recognizes the image captured by the image acquisition device of the grain inside the granary, it is possible to analyze whether condensation has begun on the surface of the grain poured into the granary.

[0149] If it is detected that the surface of the grain poured into the granary has not begun to condense, the cooling device can continue to be controlled to operate at the first operating power and temperature for precooling time.

[0150] On the contrary, if it is detected that condensation has begun on the surface of the grain poured into the grain bin, the cooling device can be operated at the second operating power.

[0151] Step 307: When the temperature value of the grain surface drops to a preset first threshold value, the cooling device is operated at a third operating power.

[0152] In the embodiment of the present invention, after the cooling device is operated at the second operating power for a period of time, the temperature of the grain surface can be obtained; specifically, the temperature of the grain surface can be obtained from a temperature sensor.

[0153] Then, it can be detected whether the temperature of the currently acquired grain surface is lower than a preset first threshold.

[0154] When it is detected that the temperature of the grain surface currently obtained is not lower than the preset first threshold value, the cooling device can continue to operate at the second operating power.

[0155] On the contrary, if it is detected that the temperature of the current grain surface is lower than the preset first threshold, it may mean that the temperature of the grain in the granary is already low and condensation is not likely to occur; at this time, the cooling equipment can be controlled to operate at a third operating power greater than the second operating power, so as to quickly cool down the granary.

[0156] Exemplarily, the third operating power may include a third air conditioning power and a third fan power; when the cooling device is controlled to operate at the third operating power, the air conditioner may be controlled to operate at the third air conditioning power; in addition, the fan may also be controlled to operate at the third fan power, and this embodiment of the present invention is not limited to this.

[0157] Step 308: When the surface temperature of the grain drops to a preset second threshold, the cooling device is operated at a fourth operating power.

[0158] When the cooling device is operated at the third operating power, the temperature of the grain surface can continue to be detected, and it can be detected whether the currently acquired temperature of the grain surface is lower than the second threshold; wherein the second threshold can be lower than the first threshold.

[0159] When it is detected that the temperature of the grain surface currently obtained is not lower than the preset second threshold value, the cooling device can continue to operate at the third operating power.

[0160] On the contrary, if it is detected that the temperature of the currently acquired grain surface is lower than the preset second threshold value, it may indicate that the temperature of the grain in the granary has reached the normal storage temperature; at this time, the cooling device can be controlled to operate at the fourth operating power to maintain the temperature of the granary.

[0161] Exemplarily, the fourth operating power may include a fourth air conditioning power and a fourth fan power; when the cooling device is controlled to operate at the fourth operating power, the air conditioner may be controlled to operate at the fourth air conditioning power; in addition, the fan may also be controlled to operate at the fourth fan power, which is not limited in this embodiment of the present invention.

[0162] In some feasible embodiments, when the cooling device is operated at the fourth operating power, the surface temperature of the grain in the grain bin may continue to be detected.

[0163] Based on the current surface temperature of the grain, the cooling equipment can be controlled to maintain the surface temperature of the grain in the granary at a target temperature; the target temperature can refer to the storage temperature of the grain.

[0164] For example, after the grain is put into storage, the cooling equipment of the grain silo is turned on. After a period of time T, the temperature of the grain can be reduced to a temperature close to the initial temperature t1 in the grain silo. At this time, the grain can be cooled again.

[0165] If we continue to maintain this power to cool down, the grain surface may cool down quickly and cause condensation. We need to perform preliminary cooling. Here is an example:

[0166] At present, the temperature of grain has dropped to the initial temperature of 25℃ in the warehouse. In order to further reduce the surface temperature of grain to 15℃, we take the following steps:

[0167] 1. Initial cooling: First, reduce the frequency of the grain silo cooling equipment to 50% of the original power (P / 2). At this power, gradually reduce the grain surface temperature to 20°C. This stage of gentle cooling helps reduce the temperature gradient and the risk of condensation on the grain surface.

[0168] 2. Rapid cooling: When the grain surface temperature drops to 20°C, adjust the cooling equipment to the maximum power to achieve the maximum cooling power. Since the temperature inside the grain warehouse is not much different from the air outlet temperature at this time, the possibility of condensation on the grain surface is low. At the maximum cooling power, the grain surface temperature is quickly reduced to 15°C.

[0169] Stable maintenance: After reaching the target temperature of 15°C, the power of the cooling equipment is reduced (for example, the frequency of the air conditioner is reduced and the speed of the fan is reduced), and the granary enters a low-power operation mode to ensure the stability of the temperature in the warehouse and avoid the impact of temperature fluctuations on grain quality.

[0170] In the embodiment of the present invention, a first temperature value outside the granary and a second temperature value inside the granary are determined; the difference between the first temperature value and the second temperature value is calculated; the size of the granary space and the preset space ratio coefficient of the space and the cooling capacity are determined; the temperature pre-cooling time is calculated according to the size of the granary space, the space ratio coefficient, the first operating power, and the difference; when the grain is introduced into the granary, the cooling device is controlled to operate at the first operating power for the temperature pre-cooling time; after the cooling device is controlled to operate at the first operating power for the temperature pre-cooling time, the cooling device is operated at the second operating power; when the temperature value of the grain surface is reduced to the preset first threshold value, the cooling device is operated at the third operating power; when the surface temperature of the grain is reduced to the preset second threshold value, the cooling device is operated at the fourth operating power. Through the embodiment of the present invention, the granary can be pre-cooled when the grain is put into the warehouse; and then the gradient cooling is performed. Fine temperature control can effectively avoid the problem of condensation on the surface of the grain due to rapid cooling, thereby ensuring the quality of the grain stored in the granary.

[0171] It should be noted that, for the sake of simplicity, the method embodiments are described as a series of action combinations, but those skilled in the art should be aware that the embodiments of the present invention are not limited by the order of the actions described, because according to the embodiments of the present invention, certain steps can be performed in other orders or simultaneously. Secondly, those skilled in the art should also be aware that the embodiments described in the specification are all preferred embodiments, and the actions involved are not necessarily required by the embodiments of the present invention.

[0172] Reference Figure 5 , shows a schematic structural diagram of a control device for a granary cooling device according to an embodiment of the present invention, which may include the following modules:

[0173] A determination module 501 is used to determine a first temperature value outside the granary and a second temperature value inside the granary;

[0174] The first control module 502 is used to determine the temperature precooling time according to the first temperature value and the second temperature value, and control the cooling device to operate at the first operating power for the temperature precooling time when the grain is introduced into the granary;

[0175] The second control module 503 is used to control the cooling device to operate at a second operating power after the cooling device operates at a first operating power for a precooling period; the first operating power is greater than the second operating power;

[0176] The third control module 504 is used to operate the cooling device at a third operating power when the temperature value of the grain surface drops to a preset first threshold value; the third operating power is greater than the second operating power;

[0177] The fourth control module 505 is used to operate the cooling device at a fourth operating power when the surface temperature of the grain drops to a preset second threshold; the first threshold is greater than the second threshold.

[0178] In an optional embodiment of the present invention, the determination module 501 is used to calculate the difference between the first temperature value and the second temperature value; and determine the temperature precooling time according to the difference and the first operating power.

[0179] In an optional embodiment of the present invention, a determination module 501 is used to determine the space size of the granary and the space ratio coefficient of the preset space and cooling capacity; and calculate the temperature precooling time according to the space size of the granary, the space ratio coefficient, the first operating power, and the difference.

[0180] In an optional embodiment of the present invention, the determination module 501 is used to calculate the temperature precooling time T based on the following formula: T = P / (V * K * t 3 ), where P is the first operating power, V is the space size, K is the space ratio coefficient, t 3 is the difference.

[0181] In an optional embodiment of the present invention, the second operating power is half of the first operating power.

[0182] In an optional embodiment of the present invention, the third operating power is the maximum operating power of the cooling device.

[0183] In an optional embodiment of the present invention, the first control module 502 is also used to control the cooling device to operate at a first operating power for pre-cooling time, and when condensation begins to be detected on the surface of the grain, the cooling device is operated at a second operating power.

[0184] In an optional embodiment of the present invention, the fourth control module 505 is further used to detect the temperature of the grain surface when the cooling device is operated at the fourth operating power, and to maintain the temperature of the grain surface at the target temperature by controlling the cooling device.

[0185] In an optional embodiment of the present invention, the cooling device includes an air conditioner and a fan.

[0186] In the embodiment of the present invention, a first temperature value outside the granary and a second temperature value inside the granary are determined; the temperature pre-cooling time is determined according to the first temperature value and the second temperature value, and when the grain is introduced into the granary, the cooling device is controlled to operate at the first operating power for the temperature pre-cooling time; after the cooling device is controlled to operate at the first operating power for the temperature pre-cooling time, the cooling device is operated at the second operating power; the first operating power is greater than the second operating power; when the temperature value of the grain surface is reduced to a preset first threshold value, the cooling device is operated at a third operating power; the third operating power is greater than the second operating power; when the surface temperature of the grain is reduced to a preset second threshold value, the cooling device is operated at a fourth operating power; the first threshold value is greater than the second threshold value. Through the embodiment of the present invention, the granary can be pre-cooled when the grain is put into the warehouse; and then gradient cooling is performed. Fine temperature control can effectively avoid the problem of condensation on the surface of the grain due to rapid cooling, thereby ensuring the quality of the grain stored in the granary.

[0187] An embodiment of the present invention also provides an electronic device, including a processor, a memory, and a computer program stored in the memory and capable of running on the processor, and when the computer program is executed by the processor, the control method of the grain silo cooling device as described above is implemented.

[0188] An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the control method of the granary cooling device as described above is implemented.

[0189] As for the device embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0190] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0191] Those skilled in the art will appreciate that the embodiments of the present invention may be provided as methods, devices, or computer program products. Therefore, the embodiments of the present invention may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the embodiments of the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.

[0192] The embodiments of the present invention are described with reference to the flowcharts and / or block diagrams of the methods, terminal devices (systems), and computer program products according to the embodiments of the present invention. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of the processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing terminal device to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing terminal device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0193] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing terminal device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce a manufactured product including an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0194] These computer program instructions can also be loaded onto a computer or other programmable data processing terminal device so that a series of operating steps are executed on the computer or other programmable terminal device to produce a computer-implemented process, thereby providing instructions for executing on the computer or other programmable terminal device to implement the process. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0195] Although the preferred embodiments of the present invention have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the present invention.

[0196] Finally, it should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or terminal device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or terminal device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or terminal device including the elements.

[0197] The control method of a granary cooling equipment, a control device of a granary cooling equipment, an electronic device and a computer-readable storage medium provided are introduced in detail above. Specific examples are used herein to illustrate the principle and implementation mode of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea; at the same time, for general technical personnel in this field, according to the idea of ​​the present invention, there will be changes in the specific implementation mode and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A control method for a granary cooling device, characterized in that: The method comprises: Determining a first temperature value outside the granary and a second temperature value inside the granary; Determine the temperature precooling time according to the first temperature value and the second temperature value, and control the cooling device to operate at the first operating power for the temperature precooling time when the grain is introduced into the granary; After controlling the cooling device to operate at the first operating power for the temperature precooling time, the cooling device is operated at a second operating power; the first operating power is greater than the second operating power; When the temperature value of the grain surface drops to a preset first threshold value, the cooling device is operated at a third operating power; the third operating power is greater than the second operating power; When the surface temperature of the grain drops to a preset second threshold, the cooling device is operated at a fourth operating power; the first threshold is greater than the second threshold.

2. The method according to claim 1, characterized in that The step of determining the temperature precooling time according to the first temperature value and the second temperature value includes: calculating a difference between the first temperature value and the second temperature value; The temperature precooling time is determined according to the difference and the first operating power.

3. The method according to claim 2, characterized in that The determining the temperature precooling time according to the difference and the first operating power includes: Determine the space size of the granary and the space ratio coefficient of the preset space and cooling capacity; The temperature precooling time is calculated according to the space size of the granary, the space ratio coefficient, the first operating power, and the difference.

4. The method according to claim 3, characterized in that The calculating the temperature precooling time according to the space size of the granary, the space ratio coefficient, the first operating power, and the difference includes: The temperature precooling time T is calculated based on the following formula: T = P / (V * K * t3); Among them, P is the first operating power, V is the space size, K is the space ratio coefficient, and t3 is the difference.

5. The method according to claim 1, characterized in that The second operating power is half of the first operating power.

6. The method according to claim 1, characterized in that The third operating power is the maximum operating power of the cooling device.

7. The method according to claim 1, characterized in that When controlling the cooling device to operate the temperature precooling time at the first operating power, the method further includes: When it is detected that condensation begins on the surface of the grain, the cooling device is operated at the second operating power.

8. The method according to claim 1, characterized in that When the cooling device is operated at a fourth operating power, the method further includes: The temperature of the grain surface is detected, and the temperature of the grain surface is maintained at a target temperature by controlling the cooling device.

9. The method according to claim 1, characterized in that: The cooling equipment includes an air conditioner and a fan.

10. A control device for a granary cooling device, characterized in that: The device comprises: A determination module, used to determine a first temperature value outside the granary and a second temperature value inside the granary; A first control module is used to determine the temperature precooling time according to the first temperature value and the second temperature value, and control the cooling device to operate at a first operating power for the temperature precooling time when the grain is introduced into the granary; A second control module is used to control the cooling device to operate at the second operating power after operating the cooling device at the first operating power for the temperature precooling time; the first operating power is greater than the second operating power; A third control module is used to operate the cooling device at a third operating power when the temperature value of the grain surface drops to a preset first threshold value; the third operating power is greater than the second operating power; The fourth control module is used to operate the cooling device at a fourth operating power when the surface temperature of the grain drops to a preset second threshold; the first threshold is greater than the second threshold.

11. An electronic device, characterized in that: It comprises a processor, a memory and a computer program stored in the memory and capable of running on the processor, and when the computer program is executed by the processor, it implements the control method of the granary cooling equipment as claimed in any one of claims 1 to 9.

12. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the control method of the granary cooling device as described in any one of claims 1 to 9 is implemented.

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