Control Method, Device, Equipment and Readable Storage Medium of a Dryer Assembly

Abstract

The present invention provides a control method, device, equipment and readable storage medium for a dryer assembly, which comprises the following steps: obtaining the air pressure in the dryer assembly, and judging whether the air pressure in the dryer assembly is greater than a preset first air pressure; if it is not greater than the first air pressure, judging whether the accumulated pressure holding times of the dryer assembly are greater than a set number of times; if it is not greater than the set number of times, filling gas into the dryer assembly until the air pressure in the dryer assembly reaches a preset second air pressure, and accumulating one pressure holding time; if it is greater than the set number of times, continuously filling gas into the dryer assembly and increasing the air pressure therein, and after the dryer assembly automatically exhausts and unloads pressure at least once, controlling the air pressure in the dryer assembly to the second air pressure and resetting the pressure holding times. While making full use of the sewage discharge capacity of the dryer assembly, the vehicle only undergoes one exhaust unloading during the braking process of the set number of times, effectively reducing the exhaust frequency, playing a good protective role in the mechanical structure of the dryer assembly, and prolonging the service life.

Description

Technical Field

[0001] The present invention relates to the field of operating methods of dryer assemblies, and particularly to a control method, device, equipment, and readable storage medium for a dryer assembly. Background Art

[0002] Currently, the working mode of the mechanical dryer assembly in a vehicle is basically that external high-temperature and high-pressure gas enters the dryer, and after condensation and filtration, when the air pressure reaches the unloading and exhaust pressure of the unloading unit in the dryer assembly, while relieving pressure, water and other contaminants are discharged together. In this traditional working mode, since when gas is sent into the dryer assembly, pressure relief and sewage discharge are carried out each time the internal air pressure is greater than the unloading and exhaust pressure, the sewage discharge capacity of the dryer assembly cannot be effectively utilized, and there is a large surplus in its sewage discharge performance. Such passive gas release will not only cause unnecessary energy loss in the dryer assembly, but also the relatively frequent unloading and exhaust will greatly reduce the service life of the mechanical components inside the dryer assembly and affect its reliability. Summary of the Invention

[0003] The main object of the present invention is to provide a control method, device, equipment, and readable storage medium for a dryer assembly, aiming to solve the problems in the related art that the sewage discharge capacity of the unloading unit of the dryer assembly is not fully utilized, and the service life of the mechanical components inside the dryer assembly is reduced during frequent opening.

[0004] In a first aspect, the present invention provides a control method for a dryer assembly, adopting the following technical solution:

[0005] A control method for a dryer assembly includes the following steps:

[0006] Obtain the air pressure inside the dryer assembly, and determine whether the air pressure inside the dryer assembly is greater than a preset first air pressure;

[0007] If it is not greater than the first air pressure, determine whether the accumulated pressure-holding times of the dryer assembly are greater than a set number of times;

[0008] If it is not greater than the set number of times, supplement gas into the dryer assembly until the air pressure inside the dryer assembly reaches a preset second air pressure, then maintain the air pressure inside the dryer assembly at the second air pressure, and accumulate one pressure-holding time; the second air pressure is greater than the first air pressure and less than the unloading air pressure at which the dryer assembly automatically exhausts and unloads through the unloading unit;

[0009] If it is greater than the set number of times, continuously supplement gas into the dryer assembly and increase its internal air pressure. After the dryer assembly automatically exhausts and unloads at least once, control the air pressure inside the dryer assembly to the second air pressure, and reset the pressure-holding times.

[0010] In some embodiments, if the number of times is not greater than a set number, gas is replenished into the dryer assembly until the air pressure in the dryer assembly reaches a preset second air pressure. Then, the air pressure in the dryer assembly is maintained at the second air pressure, and one pressure holding count is accumulated. When the air pressure in the dryer assembly reaches the second air pressure, gas replenishment into the dryer assembly stops.

[0011] In some embodiments, if the number of times is not greater than a set number, gas is replenished into the dryer assembly until the air pressure in the dryer assembly reaches a preset second air pressure. Then, the air pressure in the dryer assembly is maintained at the second air pressure, and one pressure holding count is accumulated. After the air pressure in the dryer assembly reaches the second air pressure, while replenishing gas into the dryer assembly, balanced exhaust is performed at an upstream position of the dryer assembly.

[0012] In some embodiments, when the pressure holding count of the dryer assembly is equal to the set number, the amount of oil accumulated in the dryer assembly is not greater than the maximum amount of oil it can accumulate.

[0013] In some embodiments, the second air pressure is greater than or equal to the return closing air pressure of the unloading unit of the dryer assembly; and,

[0014] If the number of times is greater than the set number, gas is continuously replenished into the dryer assembly to increase the air pressure inside. After the dryer assembly automatically exhausts and unloads at least once, the air pressure in the dryer assembly is controlled to the second air pressure, and the pressure holding count is reset. During this process, gas is continuously replenished into the dryer assembly until, after the dryer assembly automatically exhausts and unloads at least once, gas replenishment into the dryer assembly stops.

[0015] In some embodiments, the second air pressure is less than the return closing air pressure of the unloading unit of the dryer assembly; and,

[0016] If the number of times is greater than the set number, gas is continuously replenished into the dryer assembly to increase the air pressure inside. After the dryer assembly automatically exhausts and unloads at least once, the air pressure in the dryer assembly is controlled to the second air pressure, and the pressure holding count is reset. During this process, gas is continuously replenished into the dryer assembly until, after the dryer assembly automatically exhausts and unloads at least once, gas replenishment into the dryer assembly stops, and the dryer assembly is controlled to exhaust externally to the second air pressure.

[0017] In some embodiments, if the number of times is greater than the set number, gas is continuously replenished into the dryer assembly to increase the air pressure inside. After the dryer assembly automatically exhausts and unloads at least once, the air pressure in the dryer assembly is controlled to the second air pressure, and the pressure holding count is reset. Among these, after the dryer assembly automatically exhausts and unloads at least twice, the pressure holding count is reset.

[0018] In a second aspect, the present invention further provides a control device for a dryer assembly, which adopts the following technical solutions.

[0019] A control device for a dryer assembly, the control device of the dryer assembly comprising:

[0020] A air pressure acquisition module configured to acquire the air pressure inside the dryer assembly;

[0021] A judgment module configured to judge whether the air pressure inside the dryer assembly is greater than a preset first air pressure; if not greater than the first air pressure, judge whether the accumulated pressure holding times of the dryer assembly are greater than the set times;

[0022] A control module configured to, when the accumulated pressure holding times of the dryer assembly are not greater than the set times, fill the dryer assembly with gas until the air pressure inside the dryer assembly reaches a preset second air pressure, then maintain the air pressure inside the dryer assembly at the second air pressure and accumulate one pressure holding time; the second air pressure is greater than the first air pressure and less than the unloading air pressure at which the dryer assembly automatically exhausts and unloads through the unloading unit; when the accumulated pressure holding times of the dryer assembly are less than the set times, continuously fill the dryer assembly with gas and increase the air pressure inside it. After the dryer assembly automatically exhausts and unloads at least once, control the air pressure inside the dryer assembly to the second air pressure and reset the pressure holding times.

[0023] In a third aspect, the present invention further provides a control device for a dryer assembly, which adopts the following technical solutions:

[0024] A control device for a dryer assembly, the control device of the dryer assembly comprising a processor, a memory, and a control program for the dryer assembly stored on the memory and executable by the processor. When the control program for the dryer assembly is executed by the processor, the steps of the control method for the dryer assembly as described above are implemented.

[0025] In a fourth aspect, the present invention further provides a readable storage medium, which adopts the following technical solutions:

[0026] A readable storage medium, on which a control program for a dryer assembly is stored. When the control program for the dryer assembly is executed by a processor, the steps of the control method for the dryer assembly as described above are implemented.

[0027] A control method, device, equipment and readable storage medium for a dryer assembly provided by the present invention. Before the dryer assembly completes the accumulated number of pressure maintenance times, every time the driver brakes and uses the air pressure in the dryer assembly, resulting in the air pressure in the dryer assembly not being greater than the first air pressure, when replenishing gas into the dryer assembly, only replenish it to the second air pressure where the air pressure in the dryer assembly is less than the unloading air pressure of the dryer assembly. Thus, while ensuring a certain amount of gas passes through the dryer to meet subsequent braking requirements, it avoids the automatic exhaust unloading of the unloading unit of the dryer assembly, and realizes accumulating the moisture and oil in this part of the gas in the dryer assembly. Subsequently, when the number of pressure maintenance times of the dryer assembly is greater than a certain number, during the process of replenishing gas into the dryer assembly after the driver brakes, the air pressure in the dryer assembly can be increased to be greater than the unloading air pressure of the unloading unit at one time, thereby realizing spraying out the accumulated moisture and oil in the dryer assembly at one time. While making full use of the sewage discharge capacity of the dryer assembly, the vehicle only has one exhaust unloading of the unloading unit of the dryer assembly during the braking process of the set number of times, effectively reducing the opening frequency, and thus playing a better protective role in the mechanical structure of the dryer assembly and prolonging its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the hardware structure of the control equipment for the dryer assembly involved in the solution of the embodiment of the present invention;

[0029] Figure 2 It is a schematic flowchart of the first embodiment of the control method for the dryer assembly of the present invention;

[0030] Figure 3 It is a schematic diagram of the functional modules of the first embodiment of the control device for the dryer assembly of the present invention.

[0031] The realization, functional features and advantages of the object of the present invention will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0033] Currently, the working mode of the mechanical dryer assembly in vehicles is basically that external high-temperature and high-pressure gas enters the dryer. Through condensation and filtration, when the air pressure reaches the unloading exhaust pressure of the unloading unit in the dryer assembly, while relieving the pressure, water and other contaminants are discharged together. In this traditional working mode, when sending gas into the dryer assembly, every time the internal air pressure is greater than the unloading exhaust pressure, a pressure relief and sewage discharge will occur, which leads to the inability to effectively utilize the sewage discharge capacity of the dryer assembly. There is a large surplus in its sewage discharge performance. Such passive gas release will not only cause unnecessary energy loss in the dryer assembly, but also the relatively frequent unloading exhaust will greatly reduce the service life of the mechanical components inside the dryer assembly and affect its reliability. Therefore, this application proposes a control method, device, equipment and readable storage medium for the dryer assembly to solve the above problems.

[0034] The invention points of a control method, device, equipment and readable storage medium for a dryer assembly proposed in this application lie in that, before the dryer assembly completes the accumulated number of pressure holding times, every time the driver brakes and uses the air pressure in the dryer assembly, resulting in the air pressure in the dryer assembly not being greater than the first air pressure, when replenishing gas into the dryer assembly, only replenish it to the second air pressure where the air pressure in the dryer assembly is less than the unloading air pressure of the dryer assembly. Thus, while ensuring a certain amount of gas passes through the dryer to meet the subsequent braking requirements, it avoids the automatic exhaust unloading of the unloading unit of the dryer assembly, and realizes accumulating the moisture and oil in this part of the gas in the dryer assembly. Subsequently, when the number of pressure holding times of the dryer assembly is greater than a certain number, during the process of replenishing gas into the dryer assembly after the driver brakes, the air pressure of the gas in the dryer assembly can be increased to be greater than the unloading air pressure of the unloading unit at one time, thereby realizing spraying out the accumulated moisture and oil in the dryer assembly at one time. While making full use of the sewage discharge capacity of the dryer assembly, the vehicle only has one exhaust unloading of the unloading unit of the dryer assembly during the braking process of the set number of times, effectively reducing the opening frequency, and thus playing a better protective role in the mechanical structure of the dryer assembly and extending its service life.

[0035] In the first aspect, an embodiment of the present invention provides a control device for a dryer assembly. The control device for the dryer assembly can be a device with data processing functions such as a personal computer (PC), a laptop, a server, etc.

[0036] Refer to Figure 1 , Figure 1The figure is a schematic diagram of the hardware structure of the control device for the dryer assembly involved in the embodiment of the present invention. In the embodiment of the present invention, the control device for the dryer assembly may include a processor 1001 (such as a Central Processing Unit, CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Among them, the communication bus 1002 is used to realize the connection and communication between these components; the user interface 1003 may include a display screen and an input unit such as a keyboard; the network interface 1004 may optionally include a standard wired interface and a wireless interface (such as a Wireless-Fidelity, WI-FI interface); the memory 1005 may be a high-speed random access memory (RAM) or a stable memory (non-volatile memory), such as a disk memory. Optionally, the memory 1005 may also be a storage device independent of the aforementioned processor 1001. Those skilled in the art can understand that Figure 1 the hardware structure shown in the figure does not constitute a limitation to the present invention, and may include more or fewer components than shown in the figure, or combine some components, or have different component arrangements.

[0037] Continue to refer to Figure 1 , Figure 1 in the memory 1005, as a computer storage medium, may include an operating system, a network communication module, a user interface module, and a control program for the dryer assembly. Among them, the processor 1001 may call the control program stored in the memory 1005 and execute the control method for the dryer assembly provided by the embodiment of the present invention.

[0038] In a second aspect, the embodiment of the present invention provides a control method for a dryer assembly.

[0039] Refer to Figure 2 , a control method for a dryer assembly, which includes the following steps:

[0040] S100. Obtain the air pressure inside the dryer assembly and determine whether the air pressure inside the dryer assembly is greater than a preset first air pressure;

[0041] S200. If it is not greater than the first air pressure, determine whether the number of pressure holding times accumulated by the dryer assembly is greater than a set number;

[0042] S310. If it is not greater than the set number of times, after filling gas into the dryer assembly until the air pressure in the dryer assembly reaches a preset second air pressure, maintain the air pressure in the dryer assembly at the second air pressure and accumulate one pressure-holding time. The second air pressure is greater than the first air pressure and less than the unloading air pressure at which the dryer assembly automatically exhausts and unloads through the unloading unit.

[0043] S320. If it is greater than the set number of times, continuously fill gas into the dryer assembly and increase the air pressure therein. After the dryer assembly automatically exhausts and unloads at least once, control the air pressure in the dryer assembly to the second air pressure and reset the pressure-holding times.

[0044] With such a setting, before the dryer assembly completes the accumulated pressure-holding times, when the driver brakes each time and uses the air pressure in the dryer assembly, resulting in the air pressure in the dryer assembly not being greater than the first air pressure, only fill the gas into the dryer assembly until the air pressure in the dryer assembly reaches a second air pressure less than the unloading air pressure of the dryer assembly. Thus, while ensuring a certain amount of gas passes through the dryer to meet subsequent braking requirements, it avoids the unloading unit of the dryer assembly from automatically exhausting and unloading, and realizes accumulating the moisture and oil stains in this part of the gas in the dryer assembly. Subsequently, when the number of pressure-holding times of the dryer assembly is greater than the set number, during the process of filling gas into the dryer assembly after the driver brakes, the air pressure in the dryer assembly can be increased to be greater than the unloading air pressure of the unloading unit at one time, thereby realizing spraying out the accumulated moisture and oil stains in the dryer assembly at one time. While making full use of the sewage discharge capacity of the dryer assembly, the vehicle only has one exhaust and unloading of the unloading unit of the dryer assembly during the braking process of the set number of times, effectively reducing the opening frequency, and thus playing a good protective role in the mechanical structure of the dryer assembly and extending its service life.

[0045] Further, in some embodiments, in the step S310, if it is not greater than the set number of times, after filling gas into the dryer assembly until the air pressure in the dryer assembly reaches a preset second air pressure, maintain the air pressure in the dryer assembly at the second air pressure and accumulate one pressure-holding time, stop filling gas into the dryer assembly when the air pressure in the dryer assembly reaches the second air pressure.

[0046] With such a setting, by controlling to stop filling gas into the dryer assembly, the air pressure in the dryer assembly can be maintained at the second air pressure, effectively reducing energy consumption and effectively controlling the operating cost.

[0047] In some other embodiments, in the step S310, if it is not greater than the set number of times, gas is replenished into the dryer assembly until the air pressure in the dryer assembly reaches a preset second air pressure, and then the air pressure in the dryer assembly is maintained at the second air pressure, and the number of pressure holding times is accumulated once. After the air pressure in the dryer assembly reaches the second air pressure, while replenishing gas into the dryer assembly, balanced exhaust is performed at the upstream position of the dryer assembly.

[0048] Specifically, balanced exhaust at the upstream position of the dryer assembly is achieved by a control valve provided upstream of the dryer assembly. Thus, when balanced exhaust is required, it can be achieved only by opening this control valve. For the operation of maintaining the air pressure in the dryer assembly at the second air pressure, its control operation is relatively simpler, and it can be more stably maintained at the second air pressure. At the same time, the exhausted gas can be recycled in some embodiments to avoid waste.

[0049] Further, in some embodiments, when the number of pressure holding times of the dryer assembly is equal to the set number of times, the amount of oil accumulated in the dryer assembly is not greater than the maximum amount of oil it can accumulate.

[0050] Among them, the set number of times corresponding to the maximum amount of oil that the dryer assembly can accumulate is obtained by prior testing by technicians. In different embodiments, the specific testing methods may be different and are not limited. In this embodiment, the specific testing method for the set number of times includes the following steps:

[0051] 1. Continuously supply high-pressure air source to the dryer through the testing equipment, and record all the opening pressures P 1 and 1 closing pressures P 2 when the unloading unit of the dryer assembly completes the first to N times of opening and closing during normal operation, and calculate their average values and the drying efficiency η 1 of the dryer after the unloading unit completes the first opening and closing, and the drying efficiency η 1 after the unloading unit completes the N 2 th opening and closing;

[0052] 2. Then, respectively set a pressure holding pressure P 3 (corresponding to the second pressure in this application) and a cut-off pressure P4 (corresponding to the first pressure in this application), such that Then, before each opening of the unloading unit, add the following pressure holding strategy. By adjusting the above testing equipment, control the air pressure supplied to the dryer assembly to be stable at P 3 . After a period of time t 1 , make the air pressure rapidly drop to P 4Next, inflate the pipeline again to make the air pressure stable at P again 3 and after a period of time t 2 later, quickly reduce the air pressure to P again 4 or less, and repeat the pressure holding N 2 times. Then, adjust the testing equipment to continuously supply high-pressure air source to the dryer to make it resume normal operation. The unloading unit completes the first opening, which is a complete working cycle. Record the relevant data during this process and calculate the drying efficiency η 3 after the unloading unit completes the first cycle and starts working again 1 ; and the drying efficiency η 4 after the unloading unit completes N

[0053] 3. Gradually assign values to the pressure holding times N 2 starting from n + 1 (n = 0, 1, 2, 3...), and compare the magnitudes of η 1 -η 2 and η 3 -η 4 . If η 3 -η 4 ≥η 1 -η 2 , then gradually increase the value of N 2 until η 3 -η 4 is equivalent to η 1 -η 2 . Thus, the value of the pressure holding times N 2 that enables the dryer to obtain the best performance can be finally determined, which is the set times required in this application.

[0054] In the above steps, the drying efficiency before and after the gas passes through the dryer assembly is obtained by detecting the temperature and humidity of the gas before and after passing through. The temperature and humidity of the gas are obtained by the temperature measuring instrument and humidity measuring instrument set before and after the drying assembly.

[0055] Furthermore, in some preferred embodiments, the second air pressure in this application is greater than or equal to the closing air pressure of the unloading unit of the dryer assembly;

[0056] Meanwhile, in step S320, if it is greater than the set times, continuously supply gas into the dryer assembly and increase the air pressure inside. After the dryer assembly automatically exhausts and unloads at least once, control the air pressure inside the dryer assembly to the second air pressure and reset the pressure holding times. Continuously supply gas into the dryer assembly until after the dryer assembly automatically exhausts and unloads at least once, stop supplying gas into the dryer assembly.

[0057] With such a setting, after the holding pressure times are greater than the set times and at least one automatic exhaust unloading of the dryer assembly is completed, the air pressure of the dryer assembly can be directly increased to the second air pressure by continuously replenishing gas into the dryer assembly, and finally maintained at the second air pressure. The operation process is simpler and easier to execute.

[0058] Further, in some other embodiments, the second air pressure is less than the closing air pressure of the unloading unit of the dryer assembly;

[0059] Meanwhile, in step S320, if it is greater than the set times, continuously replenish gas into the dryer assembly and increase the air pressure therein. After at least one automatic exhaust unloading of the dryer assembly, control the air pressure in the dryer assembly to the second air pressure and reset the holding pressure times. During this process, continuously replenish gas into the dryer assembly until, after at least one automatic exhaust unloading of the dryer assembly, stop replenishing gas into the dryer assembly and control the dryer assembly to exhaust externally to the second air pressure.

[0060] With such a setting, when the set second air pressure is less than the unloading air pressure of the unloading unit of the dryer assembly, in this embodiment, external exhaust is achieved through the provided exhaust valve, and thus the air pressure in the dryer assembly is reduced to the second air pressure.

[0061] Further, in some preferred embodiments, in S320, if it is greater than the set times, continuously replenish gas into the dryer assembly and increase the air pressure therein. After at least one automatic exhaust unloading of the dryer assembly, control the air pressure in the dryer assembly to the second air pressure and reset the holding pressure times. Among them, after at least two automatic exhaust unloadings of the dryer assembly, reset the holding pressure times.

[0062] With such a setting, it is realized that through at least two consecutive unloadings of the unloading unit of the dryer assembly, the accumulated moisture and oil in the dryer assembly are discharged. At the same time, it is ensured that during the accumulation process of the next holding pressure times, the dryer assembly is in a state with the maximum capacity to accommodate moisture and oil, so as to effectively dry the gas passing through the dryer assembly during the subsequent accumulation process of the holding pressure times.

[0063] In a third aspect, an embodiment of the present invention further provides a control device for a dryer assembly.

[0064] Refer to Figure 3 , the schematic diagram of the functional modules of the first embodiment of the control device for the dryer assembly.

[0065] In this embodiment, the control device for the dryer assembly includes:

[0066] An air pressure acquisition module, which is configured to acquire the air pressure in the dryer assembly;

[0067] A judgment module configured to judge whether the air pressure in the dryer assembly is greater than a preset first air pressure; if not greater than the first air pressure, judge whether the number of pressure holding times accumulated in the dryer assembly is greater than a set number;

[0068] A control module configured to, when the number of pressure holding times accumulated in the dryer assembly is not greater than the set number, replenish gas into the dryer assembly until the air pressure in the dryer assembly reaches a preset second air pressure, then maintain the air pressure in the dryer assembly at the second air pressure and accumulate one pressure holding time; the second air pressure is greater than the first air pressure and less than the unloading air pressure at which the dryer assembly automatically exhausts and unloads through the unloading unit; when the number of pressure holding times accumulated in the dryer assembly is less than the set number, continuously replenish gas into the dryer assembly and increase the air pressure therein, and after the dryer assembly automatically exhausts and unloads at least once, control the air pressure in the dryer assembly to the second air pressure and reset the number of pressure holding times.

[0069] Wherein, the function realization of each module in the control device of the above dryer assembly corresponds to each step in the embodiment of the control method of the above dryer assembly, and its function and realization process will not be elaborated here one by one.

[0070] In a fourth aspect, the embodiments of the present invention further provide a readable storage medium.

[0071] The control program of the dryer assembly is stored on the readable storage medium of the present invention. When the control program of the dryer assembly is executed by a processor, the steps of the control method of the dryer assembly as described above are realized.

[0072] Wherein, the method realized when the control program of the dryer assembly is executed can refer to each embodiment of the control method of the dryer assembly of the present invention, and will not be elaborated here.

[0073] It should be noted that in this article, the terms "including", "comprising" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or system including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or system. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of another identical element in the process, method, article or system including that element.

[0074] The serial numbers of the above embodiments of the present invention are only for description and do not represent the advantages and disadvantages of the embodiments.

[0075] Through the description of the above embodiments, those skilled in the art can clearly understand that the above-described embodiment methods can be implemented by means of software plus a necessary general hardware platform. Of course, they can also be implemented by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art can be embodied in the form of a software product. This computer software product is stored in a storage medium as described above (such as ROM / RAM, magnetic disk, optical disk) and includes several instructions for causing a terminal device to execute the methods described in various embodiments of the present invention.

[0076] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. A control method for a dryer assembly, characterized in that, it includes the following steps: Obtain the air pressure inside the dryer assembly and determine whether the air pressure inside the dryer assembly is greater than a preset first air pressure; If it is not greater than the first air pressure, determine whether the number of pressure holding times accumulated by the dryer assembly is greater than a set number; If it is not greater than the set number, fill the dryer assembly with gas until the air pressure inside the dryer assembly reaches a preset second air pressure, then maintain the air pressure inside the dryer assembly at the second air pressure and accumulate one pressure holding time; the second air pressure is greater than the first air pressure and less than the unloading air pressure at which the dryer assembly automatically exhausts and unloads through the unloading unit; If it is greater than the set number, continuously fill the dryer assembly with gas and increase the air pressure inside it. After the dryer assembly automatically exhausts and unloads at least once, control the air pressure inside the dryer assembly to the second air pressure and reset the pressure holding times; The test method for setting the number of times includes: continuously providing a high-pressure gas source to the dryer, recording the number of times the unloading unit of the dryer assembly completes the first time to N 1 All opening pressures P when opening and closing 1 , return pressure P 2 Data and calculate its average and Drying efficiency η of the dryer after the unloading unit is opened and closed for the first time 1 , the unloading unit completes the Nth 1 Drying efficiency η after opening and closing 2 ; Set the second pressure P 3 and the first pressure P 4 , so that Before the unloading unit is opened each time, the air pressure supplied to the dryer assembly is controlled to be stable at P 3 , after time t 1 After that, the air pressure drops to P 4 Then add gas to the dryer assembly again to stabilize the pressure at P 3 And after time t 2 After that, the air pressure is lowered to P again. 4 The following cycle is repeated to maintain pressure N 2 After that, the dryer is restored to normal operation by continuously supplying high-pressure gas source, and the unloading unit is opened for the first time. The drying efficiency η is calculated after the unloading unit completes the first cycle and the unloading unit works again. 3 、Complete N 1 The drying efficiency η after the cycle and the unloading unit works again 4 ;N number of pressure holding times 2 Gradually start assigning values ​​from n+1 (n=0,1,2,3……) and compare η 1 -η 2 and η 3 -η 4 If the size of η 3 -η 4 ≥η 1 -η 2 , then gradually increase N 2 The value of η 3 -η 4 With η 1 -η 2 Equal, η 3 -η 4 With η 1 -η 2 When they are equal, the corresponding N 2 The value of is used as the set number of times.

2. The control method for a dryer assembly according to claim 1, characterized in that, in the step of if it is not greater than the set number, filling the dryer assembly with gas until the air pressure inside the dryer assembly reaches a preset second air pressure, then maintaining the air pressure inside the dryer assembly at the second air pressure and accumulating one pressure holding time, stop filling the dryer assembly with gas when the air pressure inside the dryer assembly reaches the second air pressure.

3. The control method for a dryer assembly according to claim 1, characterized in that, in the step of if it is not greater than the set number, filling the dryer assembly with gas until the air pressure inside the dryer assembly reaches a preset second air pressure, then maintaining the air pressure inside the dryer assembly at the second air pressure and accumulating one pressure holding time, after the air pressure inside the dryer assembly reaches the second air pressure, while filling the dryer assembly with gas, perform balanced exhaust at the upstream position of the dryer assembly.

4. The control method for a dryer assembly according to claim 1, characterized in that, when the number of pressure holding times of the dryer assembly is equal to the set number, the amount of oil accumulated inside the dryer assembly is not greater than the maximum amount of oil it can accumulate.

5. The control method for a dryer assembly according to claim 1, characterized in that, the second air pressure is greater than or equal to the return closing air pressure of the unloading unit of the dryer assembly; and, in the step of if it is greater than the set number, continuously fill the dryer assembly with gas and increase the air pressure inside it. After the dryer assembly automatically exhausts and unloads at least once, control the air pressure inside the dryer assembly to the second air pressure and reset the pressure holding times, continuously fill the dryer assembly with gas until after the dryer assembly automatically exhausts and unloads at least once, stop filling the dryer assembly with gas.

6. The control method for a dryer assembly according to claim 1, characterized in that, the second air pressure is less than the return closing air pressure of the unloading unit of the dryer assembly; and, If it is greater than the set number of times, continuously supply gas into the dryer assembly and increase the air pressure inside it. After the dryer assembly automatically exhausts and unloads at least once, control the air pressure inside the dryer assembly to the second air pressure and reset the pressure holding times. During this process, continuously supply gas into the dryer assembly until, after the dryer assembly automatically exhausts and unloads at least once, stop supplying gas into the dryer assembly and control the dryer assembly to exhaust to the second air pressure.

7. The control method of the dryer assembly according to claim 1, wherein, If it is greater than the set number of times, continuously supply gas into the dryer assembly and increase the air pressure inside it. After the dryer assembly automatically exhausts and unloads at least once, control the air pressure inside the dryer assembly to the second air pressure and reset the pressure holding times. Among them, after the dryer assembly automatically exhausts and unloads at least twice, reset the pressure holding times.

8. A control device for a dryer assembly, wherein, The control device of the dryer assembly includes: An air pressure acquisition module configured to acquire the air pressure inside the dryer assembly; A judgment module configured to judge whether the air pressure inside the dryer assembly is greater than a preset first air pressure; if it is not greater than the first air pressure, judge whether the accumulated pressure holding times of the dryer assembly are greater than the set number of times; A control module configured to, when the accumulated pressure holding times of the dryer assembly are not greater than the set number of times, supply gas into the dryer assembly until the air pressure inside the dryer assembly reaches the preset second air pressure, then maintain the air pressure inside the dryer assembly at the second air pressure and accumulate one pressure holding time; the second air pressure is greater than the first air pressure and less than the unloading air pressure at which the dryer assembly automatically exhausts and unloads through the unloading unit; when the accumulated pressure holding times of the dryer assembly are less than the set number of times, continuously supply gas into the dryer assembly and increase the air pressure inside it. After the dryer assembly automatically exhausts and unloads at least once, control the air pressure inside the dryer assembly to the second air pressure and reset the pressure holding times; The test method for setting the number of times includes: continuously providing a high-pressure gas source to the dryer, recording the number of times the unloading unit of the dryer assembly completes the first time to N 1 All opening pressures P when opening and closing 1 , return pressure P 2 Data and calculate its average and Drying efficiency η of the dryer after the unloading unit is opened and closed for the first time 1 , the unloading unit completes the Nth 1 Drying efficiency η after opening and closing 2 ; Set the second pressure P 3 and the first pressure P 4 , so that Before the unloading unit is opened each time, the air pressure supplied to the dryer assembly is controlled to be stable at P 3 , after time t 1 After that, the air pressure drops to P 4 Then add gas to the dryer assembly again to stabilize the pressure at P 3 And after time t 2 After that, the air pressure is lowered to P again. 4 The following cycle is repeated to maintain pressure N 2 After that, the dryer is restored to normal operation by continuously supplying high-pressure gas source, and the unloading unit is turned on for the first time. The drying efficiency η is calculated after the unloading unit completes the first cycle and the unloading unit works again. 3 、Complete N 1 The drying efficiency η after the cycle and the unloading unit works again 4 ;N number of pressure holding times 2 Gradually start assigning values ​​from n+1 (n=0,1,2,3……) and compare η 1 -η 2 and η 3 -η 4 If the size of η 3 -η 4 ≥η 1 -η 2 , then gradually increase N 2 The value of η 3 -η 4 With η 1 -η 2 Equal, η 3 -η 4 With η 1 -η 2 When they are equal, the corresponding N 2 The value of is used as the set number of times.

9. A control device for a dryer assembly, wherein, The control device of the dryer assembly includes a processor, a memory, and a control program for the dryer assembly stored on the memory and executable by the processor. When the control program for the dryer assembly is executed by the processor, the steps of the control method of the dryer assembly according to any one of claims 1 to 7 are implemented.

10. A readable storage medium, wherein, A control program for the dryer assembly is stored on the readable storage medium. When the control program for the dryer assembly is executed by the processor, the steps of the control method of the dryer assembly according to any one of claims 1 to 7 are implemented.

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