Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The disclosed embodiment provides a method for controlling a direct current ventilation system, the direct current ventilation system comprises a light-transmitting device and a ventilation device, as shown in fig. 1, the method comprises:
step S10, controlling the on/off state of the light-transmitting device according to the outdoor illumination intensity;
and step S20, when the light-transmitting device is in the opening state, the opening and closing state of the ventilation device is controlled according to the indoor humidity and the outdoor humidity.
The light-transmitting device is used for transmitting sunlight to the indoor, and can be an intelligent curtain, a blind window or a window with adjustable transmittance, which are arranged beside a bed. The control of the light-passing means can be controlled by wire or wirelessly.
The ventilation device is communicated with the outdoor and used for ventilating indoor air, and can be a window with controllable opening, a fresh air fan, an exhaust fan and the like. The control of the ventilation device may be by wired control or by wireless control.
Through information such as illumination condition, indoor outer air humidity, automatic control leads to opening and closing of light device, breather, realizes leading to light, the optimal control of taking a breath indoor, guarantees that there is suitable sunshine to shine indoor, reduces the harm of strong sunshine to indoor furniture house ornamentation, avoids not ventilating for a long time and leads to indoor environment peculiar smell. The intelligent indoor environment maintenance system can intelligently maintain the indoor environment under the condition of no people living, automatically switch on and off the light-conducting and air-changing equipment, maintain a relatively good indoor environment under the condition of reducing manual intervention, and improve the experience when people live in again.
In some embodiments, controlling the on/off state of the light passing device according to the illumination intensity includes: when the outdoor illumination intensity is within a preset illumination intensity interval, controlling the light-transmitting device to be in an open state; and when the outdoor illumination intensity is not within the preset sunlight intensity interval, controlling the light-transmitting device to be in a closed state. The illumination intensity is collected through the illumination sensor and the signal sampling circuit by detecting the outdoor illumination intensity as a judgment standard for judging whether the light-transmitting device is started or not, and the illumination intensity is judged by detecting the voltage.
Optionally, before determining whether the outdoor illumination intensity is within the preset illumination intensity interval, the method further includes determining whether the current time is within a preset time period, and acquiring the outdoor illumination intensity under the condition that the current time is within the preset time period. Therefore, the outdoor illumination intensity is obtained only within the preset time period, and the energy-saving effect is achieved. The preset time period is related to the region where the direct current ventilation system is located, and optionally, the preset time period is set to be two hours before sunrise time and two hours after sunset time.
Optionally, the outdoor illumination intensity is obtained according to a preset detection frequency. The preset detection frequency can be detected once every 30 minutes, the frequency of the sampling detection frequency is reduced, the data redundancy of the system is reduced, the real-time performance of the sampling detection is guaranteed, and the indoor environment can be effectively maintained.
In some embodiments, the predetermined solar intensity interval is further related to the solar intensity of the area in which the dc ventilation system is located. For example, the preset sunshine intensity interval is determined by acquiring the sunshine intensity corresponding to the weather information of the region where the direct current ventilation system is located on the network side. Optionally, in cloudy days, including rainy days and snowy days, the maximum outdoor illumination intensity is about 10000lux, and the sunlight intensity interval can be set to be 5000-10000 lux. Under the condition of sunny days, the outdoor maximum illumination intensity is generally more than 30000lux, and the illumination intensity interval can be set to be 20000-30000 lux. In other embodiments of the present disclosure, the sunshine intensity corresponding to the seasonal time information of the region where the direct current ventilation system is located may also be obtained by the network side to determine the preset sunshine intensity interval. Optionally, under the sunny condition in summer, outdoor illumination intensity can reach 300000lux at noon, and such high strength sunshine meeting causes the harm to indoor furniture house ornamentation, tame electric installation, through setting for the sunshine intensity interval, avoids opening the light-passing device when high strength sunshine like this, can effective maintenance indoor environment.
Optionally, the preset sunshine intensity interval is [ Q ]1,Q2](ii) a Wherein Q is1Is a DC ventilation systemFirst solar intensity of the region, Q2The second solar intensity of the area where the direct current ventilation system is located. The preset sunlight intensity interval needs to be set according to information acquired by a network side, and in the state of network failure or incapability of acquiring position information, the outdoor illumination intensity can be detected as a judgment standard for judging whether the light-transmitting device is started, illumination can be collected through the illumination sensor and the signal sampling circuit, and the illumination intensity is judged through detecting voltage. The first solar radiation intensity Q1And a second solar intensity Q2The setting can be carried out by measuring the illumination intensity condition of the region in advance according to the standard of the intensity of the sunlight. Optionally, the first sunlight intensity is 20% -40% of the highest sunlight intensity value of the region where the direct current ventilation system is located; optionally, the second sunlight intensity is 80% -100% of the highest sunlight intensity value of the region where the direct current ventilation system is located. The maximum sunlight intensity value can be the average value of the maximum intensity of the same day of the previous year in the region, or the maximum sunlight intensity of the same day of the previous year; the maximum solar radiation intensity may be the day before the area where the solar cell is located. Optionally, the preset sunshine intensity interval is [40000, 100000%]。
In some embodiments, a method for controlling an opening/closing state of an air exchange device according to an indoor humidity and an outdoor humidity, in particular, a method for controlling an air exchange device in a direct current ventilation system, as shown in fig. 2, includes:
step S200, when the light-transmitting device is in the open state, the indoor and outdoor humidity is obtained
Step S201, judging whether the indoor humidity is smaller than a first humidity threshold value; when the indoor humidity is smaller than a first threshold value, the step S202 is carried out, otherwise, the step S203 is carried out;
step S202, judging whether the outdoor humidity is in a preset humidity range, and if the outdoor humidity is in the preset humidity range, entering step S204, otherwise, entering step S205;
step S203, judging whether the outdoor humidity is smaller than a second humidity threshold value; when the outdoor humidity is smaller than the second humidity threshold value, the step S204 is executed, otherwise, the step S205 is executed;
step S204, controlling the air interchanger to be in an opening state;
step S205, the ventilator is controlled to be in the closed state.
When the indoor humidity is smaller than the first humidity threshold value and the outdoor humidity is within a preset outdoor humidity range, controlling the ventilation device to be in an opening state to perform indoor ventilation;
when the indoor humidity is smaller than the first humidity threshold value and the outdoor humidity is outside a preset outdoor humidity range, controlling the ventilation device to be in a closed state;
when the indoor humidity is greater than or equal to the first humidity threshold value and the outdoor humidity is less than the second humidity threshold value, controlling the air exchange device to be in an opening state to carry out indoor air exchange and ventilation; at the moment, the indoor humidity is higher, the requirement on the outdoor humidity is reduced, and the indoor air is ventilated in time;
when the indoor humidity is greater than or equal to the first humidity threshold value and the outdoor humidity is greater than or equal to the second humidity threshold value, controlling the ventilation device to be in a closed state;
wherein the second humidity threshold is lower than the first humidity threshold.
Through detecting the indoor outer humidity as the judgement condition whether ventilation unit opened, when outdoor humidity was in certain extent, allowed the ventilation, when indoor humidity was too high, reduced the requirement to outdoor humidity.
Wherein, the value range of the first humidity threshold is that the relative humidity reaches 80% -100%, which can be 80%, 90% or 100%.
The second humidity threshold value ranges from 70% to 90% of relative humidity, and can be 70%, 80% or 90%, and is always lower than the first humidity threshold value.
The preset outdoor humidity range is related to the weather of the region where the direct current ventilation system is located. For example, in the absence of overcast and rainy weather, in the morning or evening, which is a relatively humid period of the day, the relative humidity of the outdoor air may be high. In a sunny state, the preset outdoor humidity range is such that the relative humidity reaches [ 33%, 55% ], and in a rainy state, the preset outdoor humidity range is such that the relative humidity reaches [ 50%, 70% ]. Alternatively, when the weather of the area cannot be obtained, the preset outdoor humidity range is set to have a relative humidity of [ 30%, 70% ].
The geographical position, weather information, sunrise time, sunset time and the like acquired by the network side in the control method are auxiliary judgment conditions for controlling the direct current ventilation system, and when the information cannot be acquired, such as network failure or no position information, the direct current ventilation system operates in an off-line mode, namely, the control is performed only according to the measured illumination intensity and indoor and outdoor humidity. Therefore, when the user feels that the requirements can be met without the weather information, sunrise time and sunset time, the online mode can be forbidden through the panel/app, and the online mode is forced to operate according to the offline mode. After the online mode is forbidden, the system does not automatically acquire meteorological information, sunrise time and sunset time any more, and when the network is accessed and the flow needs to be paid, the operation cost of the system can be reduced.
According to the method for controlling the direct current ventilation system, the opening and closing of the light-transmitting device and the air-changing device are automatically controlled according to the information such as the illumination condition and the indoor and outdoor air humidity, the indoor light transmission and air change are optimally controlled, the indoor light is ensured to be irradiated by proper sunlight, the damage of strong sunlight to indoor furniture and home furnishings is reduced, and the peculiar smell of the indoor environment caused by long-term non-ventilation is avoided. The intelligent indoor environment maintenance system can intelligently maintain the indoor environment under the condition of no people living, automatically switch on and off the light-conducting and air-changing equipment, maintain a relatively good indoor environment under the condition of reducing manual intervention, and improve the experience when people live in again.
An embodiment of the present disclosure also provides an apparatus for controlling a direct current ventilation system, as shown in fig. 3, including:
a first control module 10 for controlling the on/off state of the light transmitting device according to the outdoor illumination intensity;
and the second control module 20 is used for controlling the opening and closing states of the air interchanger according to the indoor humidity and the outdoor humidity when the light-transmitting device is in the opening state.
Through information such as illumination condition, indoor outer air humidity, automatic control leads to opening and closing of light device, breather, realizes leading to light, the optimal control of taking a breath indoor, guarantees that there is suitable sunshine to shine indoor, reduces the harm of strong sunshine to indoor furniture house ornamentation, avoids not ventilating for a long time and leads to indoor environment peculiar smell. The intelligent indoor environment maintenance system can intelligently maintain the indoor environment under the condition of no people living, automatically switch on and off the light-conducting and air-changing equipment, maintain a relatively good indoor environment under the condition of reducing manual intervention, and improve the experience when people live in again.
In some embodiments, the first control module 10 is specifically configured to: when the outdoor illumination intensity is within a preset illumination intensity interval, controlling the light-transmitting device to be in an open state; and when the outdoor illumination intensity is not within the preset sunlight intensity interval, controlling the light-transmitting device to be in a closed state. The illumination intensity is collected through the illumination sensor and the signal sampling circuit by detecting the outdoor illumination intensity as a judgment standard for judging whether the light-transmitting device is started or not, and the illumination intensity is judged by detecting the voltage.
Optionally, before determining whether the outdoor illumination intensity is within the preset illumination intensity interval, the method further includes determining whether the current time is within a preset time period, and acquiring the outdoor illumination intensity under the condition that the current time is within the preset time period. Therefore, the outdoor illumination intensity is obtained only within the preset time period, and the energy-saving effect is achieved. The preset time period is related to the region where the direct current ventilation system is located, and optionally, the preset time period is set to be two hours before sunrise time and two hours after sunset time.
Optionally, the outdoor illumination intensity is obtained according to a preset detection frequency. The preset monitoring frequency can be detected every 30 minutes, the frequency of sampling detection frequency is reduced, system data redundancy is reduced, the real-time performance of sampling detection is guaranteed, and the indoor environment can be effectively maintained.
In some embodiments, the predetermined solar intensity interval is further related to the solar intensity of the area in which the dc ventilation system is located. For example, the preset sunshine intensity interval is determined by acquiring the sunshine intensity corresponding to the weather information of the region where the direct current ventilation system is located on the network side. Optionally, in cloudy days, including rainy days and snowy days, the maximum outdoor illumination intensity is about 10000lux, and the sunlight intensity interval can be set to be 5000-10000 lux. Under the condition of sunny days, the outdoor maximum illumination intensity is generally more than 30000lux, and the illumination intensity interval can be set to be 20000-30000 lux. In other embodiments of the present disclosure, the sunshine intensity corresponding to the seasonal time information of the region where the direct current ventilation system is located may also be obtained by the network side to determine the preset sunshine intensity interval. Optionally, under the sunny condition in summer, outdoor illumination intensity can reach 300000lux at noon, and such high strength sunshine meeting causes the harm to indoor furniture house ornamentation, tame electric installation, through setting for the sunshine intensity interval, avoids opening the light-passing device when high strength sunshine like this, can effective maintenance indoor environment.
Optionally, the preset sunshine intensity interval is [ Q ]1,Q2](ii) a Wherein Q is1The first solar intensity, Q, of the region in which the DC ventilation system is located2The second solar intensity of the area where the direct current ventilation system is located. The preset sunlight intensity interval needs to be set according to information acquired by a network side, and in the state of network failure or incapability of acquiring position information, the outdoor illumination intensity can be detected as a judgment standard for judging whether the light-transmitting device is started, illumination can be collected through the illumination sensor and the signal sampling circuit, and the illumination intensity is judged through detecting voltage. The first solar radiation intensity Q1And a second solar intensity Q2The setting can be carried out by measuring the illumination intensity condition of the region in advance according to the standard of the intensity of the sunlight. Optionally, the highest sunlight intensity value of the region where the first sunlight intensity direct current ventilation system is located is 20% -40%; optionally, the second sunlight intensity is 80% -100% of the highest sunlight intensity of the region where the direct current ventilation system is located. Optionally, the preset sunshine intensity interval is [40000, 100000%]。
In some embodiments, the second control module 20 is specifically configured to:
when the indoor humidity is smaller than the first humidity threshold value and the outdoor humidity is within a preset outdoor humidity range, controlling the ventilation device to be in an opening state to perform indoor ventilation;
when the indoor humidity is smaller than the first humidity threshold value and the outdoor humidity is out of the preset outdoor humidity range, controlling the ventilation device to be in a closed state;
when the indoor humidity is greater than or equal to the first humidity threshold value and the outdoor humidity is less than the second humidity threshold value, controlling the air exchange device to be in an opening state to carry out indoor air exchange and ventilation; at the moment, the indoor humidity is higher, the requirement on the outdoor humidity is reduced, and the indoor air is ventilated in time.
When the indoor humidity is greater than or equal to the first humidity threshold value and the outdoor humidity is greater than or equal to the second humidity threshold value, controlling the ventilation device to be in a closed state;
wherein the second humidity threshold is lower than the first humidity threshold.
Through detecting the indoor outer humidity as the judgement condition whether ventilation unit opened, when outdoor humidity was in certain extent, allowed the ventilation, when indoor humidity was too high, reduced the requirement to outdoor humidity.
Wherein, the value range of the first humidity threshold is that the relative humidity reaches 80-100%, and can be 80%, 90% or 100%.
The second humidity threshold value ranges from 70% to 90% of relative humidity, and can be 70%, 80% or 90%, and is always lower than the first humidity threshold value.
The preset outdoor humidity range is related to the weather of the region where the direct current ventilation system is located. For example, in the absence of overcast and rainy weather, in the morning or evening, which is a relatively humid period of the day, the relative humidity of the outdoor air may be high. In a sunny state, the preset outdoor humidity range is such that the relative humidity reaches [ 33%, 55% ], and in a rainy state, the preset outdoor humidity range is such that the relative humidity reaches [ 50%, 70% ]. Alternatively, when the weather of the area cannot be obtained, the preset outdoor humidity range is set to have a relative humidity of [ 30%, 70% ].
The geographical position, weather information, sunrise time, sunset time and the like acquired by the network side in the control method are auxiliary judgment conditions for controlling the direct current ventilation system, and when the information cannot be acquired, such as network failure or no position information, the direct current ventilation system operates in an off-line mode, that is, the control is performed only according to the measured illumination intensity and indoor and outdoor humidity. Therefore, when the user feels that the requirements can be met without weather information, sunrise time and sunset time, the online mode can be forbidden through the panel/app, and the user is forced to operate in the offline mode. After the online mode is forbidden, the system does not automatically acquire meteorological information, sunrise time and sunset time any more, and when the network is accessed and the flow needs to be paid, the operation cost of the system can be reduced.
The device for controlling the direct current ventilation system provided by the embodiment of the disclosure automatically controls the opening and closing of the light-transmitting device and the air interchanger through information such as illumination conditions, indoor and outdoor air humidity and the like, realizes the optimal control of indoor light transmission and air interchange, ensures that the indoor space has proper sunlight irradiation, reduces the damage of strong sunlight to indoor furniture home decoration, and avoids the indoor environment peculiar smell caused by long-term non-ventilation. The intelligent indoor environment maintenance system can intelligently maintain the indoor environment under the condition of no people living, automatically switch on and off the light-conducting and air-changing equipment, maintain a relatively good indoor environment under the condition of reducing manual intervention, and improve the experience when people live in again.
The structure of the device for controlling a direct current ventilation system provided by the embodiment of the present disclosure is shown in fig. 4, and includes:
a processor (processor)100 and a memory (memory)101, and may further include a Communication Interface (Communication Interface)102 and a bus 103. The processor 100, the communication interface 102, and the memory 101 may communicate with each other via a bus 103. The communication interface 102 may be used for information transfer. The processor 100 may invoke logic instructions in the memory 101 to perform the method for controlling a dc ventilation system of the above-described embodiments.
In addition, the logic instructions in the memory 101 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products.
The memory 101, which is a computer-readable storage medium, may be used for storing software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 100 executes functional applications and data processing by executing program instructions/modules stored in the memory 101, that is, implements the method for controlling the dc ventilation system in the above-described method embodiment.
The memory 101 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. In addition, memory 101 may include high speed random access memory and may also include non-volatile memory.
The embodiment of the present disclosure provides a direct current ventilation system, as shown in fig. 5, including a light-passing device 230 and a ventilation device 220, which is characterized by further including: a dc power supply device 200 for supplying power to the light-passing device 230 and the ventilation device 220; and the apparatus 210 for controlling a direct current ventilation system described above.
The dc power supply device 200 includes:
the solar cell panel 201 is used for converting solar energy into electric energy for the system to use;
a storage battery 202 for storing surplus part of the electric energy converted from the solar energy for use at night or in rainy days;
the electric energy conversion device 203 is configured to convert unstable electric energy converted from solar energy into stable electric energy, charge the storage battery 202 or directly supply the system with the stable electric energy, and has a charging and discharging protection function for the storage battery 202. When the power supply of the solar panel 201 is insufficient, the power of the storage battery 202 can be directly supplied to the system for use;
the solar cell panel 201 and the electric energy conversion device 203 are sequentially connected with the storage battery 202, and the electric energy conversion device 203 is connected with the device 210 for controlling the direct current ventilation system.
Thus, the direct current ventilation system is used as a set of completely independent working system and does not depend on external power supply. Therefore, the power supply device is particularly suitable for occasions that the power supply is disconnected for a long time without being attended and for safety or other considerations.
In some embodiments, the dc ventilation system further comprises:
a GPS module 260 for acquiring location information of the dc ventilation system;
the network access module 270 is configured to obtain content such as weather information and time through a network side;
an illumination sensor 240 for detecting outdoor illumination conditions; the device can be arranged on the direct current ventilation system, and also can be arranged on other household appliances which communicate with the direct current ventilation system in a wired or wireless way;
a humidity sensor 250 for detecting indoor and outdoor humidity; the direct current ventilation system can be arranged on the direct current ventilation system, and can also be arranged on other household appliances which are communicated with the direct current ventilation system in a wired or wireless mode;
the panel 280 is used for displaying the current sensor detection value, checking the states of the light transmitting device 230 and the ventilation device 220, setting various parameters, manually starting and stopping the device through operation, selecting an online mode and the like.
In some embodiments, the dc ventilation system further comprises a mobile terminal in communication therewith for remote monitoring of the device by a user.
The direct current ventilation system that this disclosed embodiment provided can be through information such as illumination condition, indoor outer air humidity, automatic control leads to opening and closing of light device, breather, realizes leading to the optimal control of light, taking a breath indoor, guarantees that there is suitable sunshine to shine indoor, reduces the harm of strong sunshine to indoor furniture house ornamentation, avoids not ventilating for a long time and leads to indoor environment peculiar smell. The intelligent indoor environment maintenance system can intelligently maintain the indoor environment under the condition of no people living, automatically switch on and off the light-conducting and air-changing equipment, maintain a relatively good indoor environment under the condition of reducing manual intervention, and improve the experience when people live in again.
The disclosed embodiments provide a computer-readable storage medium storing computer-executable instructions configured to perform the above-described method for controlling a direct current ventilation system.
The disclosed embodiments provide a computer program product comprising a computer program stored on a computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, cause the computer to perform the above-described method for controlling a direct current ventilation system.
The computer-readable storage medium described above may be a transitory computer-readable storage medium or a non-transitory computer-readable storage medium.
The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, which is stored in a storage medium and includes one or more instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a portable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other media capable of storing program codes, and may also be a transient storage medium.
The above description and the drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of the disclosed embodiments includes the full ambit of the claims, as well as all available equivalents of the claims. As used in this application, although the terms "first," "second," etc. may be used in this application to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, unless the meaning of the description changes, so long as all occurrences of the first element are renamed consistently and all occurrences of the second element are renamed consistently. The first and second elements are both elements, but may not be the same element. Furthermore, the words used in the specification are words of description for example only and are not limiting upon the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other identical elements in a process, method or device comprising the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosure, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a unit may be merely a division of a logical function, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between the different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.