Disclosure of Invention
In order to solve the problems that the existing community water supply mode causes short supply of peak water consumption, but full power pressurization is carried out all day long and energy is wasted, the community water supply method and system based on big data are provided.
In a first aspect, the present application provides a big data-based community water supply method, which adopts the following technical scheme:
a big data-based community water supply method comprises the following steps:
acquiring historical water consumption data of each residential building in a community at each time period of the whole day, generating a water consumption database, and analyzing and acquiring a water consumption table generated at a peak water consumption time period and a low peak water consumption time period of the residential building;
controlling the supercharging equipment to perform full-power supercharging water supply in a peak time period according to the water use time period table, and controlling the supercharging equipment to perform preset low-power supercharging water supply in a low-peak water use time period;
detecting the water quality in the main water supply pipe at regular time, analyzing the water quality detection result, sending alarm information to a community property place if the water quality does not reach the standard, and transferring the water which does not reach the standard in the main water supply pipe;
detecting the flow of the main water supply pipe, receiving flow data sent by flow detection equipment arranged in a specific position according to a preset time interval, analyzing the received flow data, generating an alarm for abnormal flow data and sending the alarm to a community property place;
and counting the flow data of a plurality of continuous time periods, averaging, and starting preset circulating equipment to circulate the water in the main water supply pipe if the average value is smaller than a preset threshold value. .
Through adopting above-mentioned technical scheme, through the division of peak hour and low peak time quantum, and then intelligent regulation supercharging equipment's power, when guaranteeing that resident's building is enough all day-round to supply water, further reduce the energy resource consumption that high-rise building supplied water the pressure boost in the district, reach green's effect. And the water quality can be detected regularly, so that the phenomenon that the water quality of the main water supply pipe does not reach the standard due to various accidental factors can be found in time, and the water safety of residential users is ensured. Simultaneously carry out flow detection to the main water supply pipe of each resident building in the district, can in time discover that each main water supply pipe takes place damaged phenomenon, avoid unmanned discovery building crowd or the water leakage point between the district cause the water supply extravagant, reach green's effect. Further flow data of each residential building in a plurality of past time periods are counted and averaged, and when the fact that too little water or no water is used for a long time in the residential building is detected, the circulating equipment is started in time to circulate water in the main water supply pipe, and scaling and deposition of water in the main water supply pipe are avoided.
Preferably, the step of transferring the water which does not reach the standard in the main water supply pipe specifically comprises transferring the water with unqualified water quality in the main water supply pipe to a preset storage tank for other purposes through preset external guiding equipment, wherein the storage tank for other purposes is used for supplying water to the public facilities with low water quality requirements in the community.
Through adopting above-mentioned technical scheme, shift the unqualified water of quality of water in the main water supply pipe to in other usage bin of predetermineeing, and then supply water to the district does not have the communal facility of requirement to quality of water, if supply water and public place keeping a public place clean and supply water etc. to the green planting of district, can also the water economy resource when guaranteeing resident's water safety, avoid appearing the water waste, reach green's effect.
Preferably, the method further comprises the steps of obtaining the feedback water shortage requirement of the high-rise user in real time, and adjusting the supercharging power of the residential building where the user is located according to the received shortage requirement specifically comprises the following steps:
acquiring a water shortage demand fed back by a high-rise user in real time;
judging the resident building where the user is and the time period of the user according to the water shortage requirement, and if the user is in the low-peak time period, adjusting the boost power of the resident building where the user is and acquiring the subsequent feedback of the user;
if the peak time period of the user is, acquiring whether the condition that the main water supply pipe is in maintenance exists, and if so, feeding back the condition to the user; if not, sending the water shortage requirement of the user to a community property place, and performing maintenance and judgment on the main water supply pipe by property management personnel to judge whether the main water supply pipe is damaged or not.
Through adopting above-mentioned technical scheme, receive user's lack of water feedback in real time and adjust supercharging device power at the low peak time and ensure that user's water is sufficient, when practicing thrift supercharging device energy resource consumption, promote user's water and experience, can also make the phenomenon that the discovery district has the delivery pipe damage in advance through receiving the lack of water feedback simultaneously.
Preferably, the method further comprises the step of acquiring fire protection information in the community in real time, and after the fire protection fire alarm information is acquired, adjusting the supercharging equipment which provides water source for the fire protection facility corresponding to the fire place to the maximum power.
Through adopting above-mentioned technical scheme, acquire the fire control information in the district in real time, when practicing thrift supercharging equipment energy resource consumption, can provide sufficient water source for fire-fighting equipment when the conflagration takes place, and then improve resident's security.
Preferably, the detecting the flow rate of the main water supply pipe, receiving the flow rate data sent by the flow rate detection device disposed in the specific location at a preset time interval, analyzing the received flow rate data, generating an alarm for the abnormal flow rate data, and sending the alarm to the property of the cell specifically includes:
detecting the flow of the main water supply pipe, and receiving flow data sent by flow detection equipment arranged in a specific position according to a preset time interval;
comparing the flow data with a normal range curve of the water supply amount of the user, wherein the normal range curve of the water supply amount of the user is a predicted water supply amount curve calculated according to normal water supply flow data acquired for a plurality of time periods before the current detection time period;
and if the comparison result is greater than the preset elasticity value, sending the position information of the flow equipment to a property management personnel, and generating a maintenance request.
Through adopting above-mentioned technical scheme, detect the flow of delivery pipe to the delivery pipe to flow anomaly department overhauls, can in time discover that each main water supply pipe takes place damaged phenomenon, avoids unmanned discovery building crowd or the district between the water leakage point cause the water supply extravagant, reaches green's effect.
Preferably, the step of counting and averaging the flow data of a plurality of consecutive time periods, and if the average value is smaller than a preset threshold, starting preset circulation equipment to circulate the water in the main water supply pipe specifically includes the following steps:
a1, value comparison: counting the flow data of a plurality of continuous time periods, averaging, and comparing the average value with a preset threshold value;
a2, comparison and judgment: if the average value is smaller than the threshold value, performing step A3, and if the average value is larger than the threshold value, repeating step A1 when the flow data is received next time;
a3, water purification circulation: and starting preset circulating equipment to circulate water in the main water supply pipe, and stopping the circulating equipment after starting for 3 min.
Through adopting above-mentioned technical scheme, flow data to every residential building a plurality of time quantum in the past are counted and are got the average value to when detecting in the residential building that long time water consumption is too little or not using water, in time start circulating equipment and circulate to the water in the main water supply pipe, avoid appearing water scale deposit, deposit in the main water supply pipe.
In a second aspect, the present application provides a big data-based community water supply system, which adopts the following technical scheme:
a community water supply system based on big data is applied to the community water supply method based on big data in any scheme, and comprises a server module, a water supply module and a water supply module, wherein the server module is used for acquiring historical water consumption data of each residential building in a community in all time periods of the whole day, generating a water consumption database, and analyzing and acquiring a peak water consumption period and a low peak water consumption period of the residential building to generate a water consumption period table;
the pressurization control module is used for controlling the pressurization equipment to perform full-power pressurization water supply in a peak time period according to the water use time period table and controlling the pressurization equipment to perform preset low-power pressurization water supply in a low-peak water use time period;
the water quality management module is used for regularly detecting the water quality in the main water supply pipe, analyzing a water quality detection result, sending alarm information to a community property place if the water quality does not reach the standard, and transferring the water which does not reach the standard in the main water supply pipe;
the flow detection module is used for detecting the flow of the main water supply pipe, receiving flow data sent by flow detection equipment arranged in a specific position according to a preset time interval, analyzing the received flow data, generating an alarm for abnormal flow data and sending the alarm to a community property place;
and the flow management module is used for counting the flow data of a plurality of continuous time periods and averaging the flow data, and if the average value is smaller than a preset threshold value, preset circulating equipment is started to circulate the water in the main water supply pipe.
Through adopting above-mentioned technical scheme, through the division of peak hour and low peak time quantum, and then intelligent regulation supercharging equipment's power, when guaranteeing that resident's building is enough all day-round to supply water, further reduce the energy resource consumption that high-rise building supplied water the pressure boost in the district, reach green's effect. And the water quality can be detected regularly, so that the phenomenon that the water quality of the main water supply pipe does not reach the standard due to various accidental factors can be found in time, and the water safety of residential users is ensured. Simultaneously carry out flow detection to the main water supply pipe of each resident building in the district, can in time discover that each main water supply pipe takes place damaged phenomenon, avoid unmanned discovery building crowd or the water leakage point between the district cause the water supply extravagant, reach green's effect. Further flow data of each residential building in a plurality of past time periods are counted and averaged, and when the fact that too little water or no water is used for a long time in the residential building is detected, the circulating equipment is started in time to circulate water in the main water supply pipe, and scaling and deposition of water in the main water supply pipe are avoided.
Preferably, the flow detection module comprises flow detection equipment, a flow comparison module and a flow curve module, wherein the flow detection equipment is used for detecting the flow of the main water supply pipe and sending flow data to the flow comparison module according to a preset time interval; the flow curve module is used for calculating a predicted water supply curve according to normal water supply flow data acquired in a plurality of time periods before the current detection time period; the flow comparison module is used for comparing the received flow data with a normal range curve of the water supply amount of the user, and if the comparison result is larger than a preset elastic value, the position information of the flow equipment is sent to a property management worker, and a maintenance request is generated.
Through adopting above-mentioned technical scheme, carry out flow detection to the main feed pipe of each resident building in the district, can in time discover that each main feed pipe takes place damaged phenomenon, avoid unmanned discovery building crowd or the district between the water leakage point cause the water supply extravagant, reach green's effect.
Preferably, the system also comprises a water shortage feedback module, wherein the water shortage feedback module comprises a demand receiving module and a water shortage analysis module;
the demand receiving module is used for acquiring the water shortage demand fed back by the high-rise user in real time;
the water shortage analysis module judges the residential building where the user is located and the time period where the user is located according to the water shortage requirement, and if the user is in the low-peak time period, the supercharging power of the residential building where the user is located is adjusted through the supercharging control module; if the peak time period of the user is, acquiring whether the condition that the main water supply pipe is in maintenance exists, and if so, feeding back the condition to the user; if not, sending the water shortage requirement of the user to a community property place, and performing maintenance and judgment on the main water supply pipe by property management personnel to judge whether the main water supply pipe is damaged or not.
Through adopting above-mentioned technical scheme, receive user's lack of water feedback in real time and adjust supercharging device power at the low peak time and ensure that user's water is sufficient, when practicing thrift supercharging device energy resource consumption, promote user's water and experience, can also make the phenomenon that the discovery district has the delivery pipe damage in advance through receiving the lack of water feedback simultaneously.
In a third aspect, the present application provides a computer-readable storage medium, which adopts the following technical solutions:
a computer readable storage medium storing a computer program capable of being loaded by a processor and executing any one of the above-mentioned intelligent monitoring methods for a computer room.
Through adopting above-mentioned technical scheme, through the division of peak hour and low peak time quantum, and then intelligent regulation supercharging equipment's power, when guaranteeing that resident's building is enough all day-round to supply water, further reduce the energy resource consumption that high-rise building supplied water the pressure boost in the district, reach green's effect. And the water quality can be detected regularly, so that the phenomenon that the water quality of the main water supply pipe does not reach the standard due to various accidental factors can be found in time, and the water safety of residential users is ensured. Simultaneously carry out flow detection to the main water supply pipe of each resident building in the district, can in time discover that each main water supply pipe takes place damaged phenomenon, avoid unmanned discovery building crowd or the water leakage point between the district cause the water supply extravagant, reach green's effect. Further flow data of each residential building in a plurality of past time periods are counted and averaged, and when the fact that too little water or no water is used for a long time in the residential building is detected, the circulating equipment is started in time to circulate water in the main water supply pipe, and scaling and deposition of water in the main water supply pipe are avoided.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the power of the supercharging equipment is intelligently adjusted through the division of peak time and low peak time periods, so that the energy consumption of water supply and supercharging of high-rise buildings in a community is further reduced while sufficient water supply of residential buildings is ensured all day long, and the effect of environmental protection is achieved;
2. the main water supply pipes of all residential buildings in the residential area are subjected to flow detection, so that the phenomenon that all the main water supply pipes are damaged can be found in time, water supply waste caused by the fact that water leakage points between buildings or the residential area are found by no people is avoided, and the effect of environmental protection is achieved;
3. the water quality is detected regularly, so that the phenomenon that the water quality of the main water supply pipe does not reach the standard due to various accidental factors can be found in time, and the water safety of residential users is ensured;
4. the flow data of a plurality of past time periods of each residential building are counted and averaged, and when the fact that too little water is used or water is not used for a long time in the residential building is detected, the circulation equipment is started in time to circulate the water in the main water supply pipe, so that scaling and deposition of the water in the main water supply pipe are avoided.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a community water supply method based on big data. Referring to fig. 1, a big data-based cell water supply method includes the steps of:
s1, water use generation time period table: acquiring historical water consumption data of each residential building in a community at each time period of the whole day, generating a water consumption database, and analyzing and acquiring a water consumption table generated at a peak water consumption time period and a low peak water consumption time period of the residential building; specifically, the historical water consumption data of the residential building in all time periods throughout the day are counted, in hours, the time period in which the water consumption is greater than a preset high water consumption value and the frequency is greater than a preset frequency value is counted as a high-peak water consumption time period, the rest time period is counted as a low-peak water consumption time period, and the preset high water consumption value and the preset frequency value are set by a manager;
s2, adjusting a supercharging device: controlling the supercharging equipment to perform full-power supercharging water supply in a peak time period according to the water use time period table, and controlling the supercharging equipment to perform preset low-power supercharging water supply in a low-peak water use time period; the method comprises the steps that fire fighting information in a community is obtained in real time, after fire fighting fire alarm information is obtained, supercharging equipment which provides water sources for fire fighting facilities corresponding to a fire disaster place is adjusted to the maximum power, energy consumption of the supercharging equipment is saved, meanwhile, sufficient water sources can be provided for the fire fighting equipment when a fire disaster happens, and therefore safety of residential buildings is improved;
s3, water quality detection management: detecting the water quality in the main water supply pipe at regular time, analyzing the water quality detection result, sending alarm information to a community property place if the water quality does not reach the standard, and transferring the water which does not reach the standard in the main water supply pipe;
s4, flow detection management: detecting the flow of the main water supply pipe, receiving flow data sent by flow detection equipment arranged in a specific position according to a preset time interval, analyzing the received flow data, generating an alarm for abnormal flow data and sending the alarm to a community property place;
s5, flow data statistics: and counting the flow data of a plurality of continuous time periods, averaging, and starting preset circulating equipment to circulate the water in the main water supply pipe if the average value is smaller than a preset threshold value. Through the division of peak time and low peak time quantum, and then intelligent regulation supercharging equipment's power, when guaranteeing that the resident building is enough all day, further reduce the energy resource consumption that high-rise building supplied water and pressurized in the district, reach green's effect. And the water quality can be detected regularly, so that the phenomenon that the water quality of the main water supply pipe does not reach the standard due to various accidental factors can be found in time, and the water safety of residential users is ensured. Simultaneously carry out flow detection to the main water supply pipe of each resident building in the district, can in time discover that each main water supply pipe takes place damaged phenomenon, avoid unmanned discovery building crowd or the water leakage point between the district cause the water supply extravagant, reach green's effect. Further flow data of each residential building in a plurality of past time periods are counted and averaged, and when the fact that too little water or no water is used for a long time in the residential building is detected, the circulating equipment is started in time to circulate water in the main water supply pipe, and scaling and deposition of water in the main water supply pipe are avoided.
The step S3 of transferring the water that does not reach the standard in the main water pipe specifically includes: water with unqualified water quality in the main water supply pipe is transferred to a preset storage tank for other purposes through preset external leading equipment, and the storage tank for other purposes is used for supplying water to public facilities with low water quality requirements in a community. Water with unqualified water quality in the main water supply pipe is transferred into a preset storage tank with other purposes, and then water is supplied to public facilities with no requirement on water quality in a community, such as green plant water supply in the community, clean water supply in public places and the like. The water resource can be saved while ensuring the safety of the water for residents, the water resource waste is avoided, and the effect of green environmental protection is achieved.
Referring to fig. 2, the method for supplying water to a residential building based on big data further includes the steps of obtaining the feedback water shortage requirement of the high-rise user in real time, and adjusting the boost power of the residential building where the user is located according to the received shortage requirement specifically includes:
q1, acquiring water shortage requirement: acquiring a water shortage demand fed back by a high-rise user in real time;
q2, adjusting boost power: judging the resident building where the user is and the time period of the user according to the water shortage requirement, and if the user is in the low-peak time period, adjusting the boost power of the resident building where the user is and acquiring the subsequent feedback of the user;
q3, feedback of maintenance condition: if the peak time period of the user is, acquiring whether the condition that the main water supply pipe is in maintenance exists, and if so, feeding back the condition to the user; if not, sending the water shortage requirement of the user to a community property place, and performing maintenance and judgment on the main water supply pipe by property management personnel to judge whether the main water supply pipe is damaged or not. The water shortage feedback of the user is received in real time, the power of the supercharging equipment is adjusted in the low-peak time, the water use of the user is ensured to be sufficient, the energy consumption of the supercharging equipment is saved, and meanwhile, the water use experience of the user is improved. Meanwhile, the phenomenon that a water supply pipe is damaged in a community can be found in advance by receiving the water shortage feedback.
Referring to fig. 3, step S4 specifically includes:
l1, acquiring flow data: detecting the flow of the main water supply pipe, and receiving flow data sent by flow detection equipment arranged in a specific position according to a preset time interval;
l2, data analysis comparison: comparing the flow data with a normal range curve of the water supply amount of the user, wherein the normal range curve of the water supply amount of the user is a predicted water supply amount curve calculated according to normal water supply flow data acquired for a plurality of time periods before the current detection time period;
l3, generating a maintenance request: and if the comparison result is greater than the preset elasticity value and the elasticity value is set by a manager, sending the position information of the flow equipment to a property manager, and generating a maintenance request. The flow of the water supply pipe is detected, the water supply pipe at the position with abnormal flow is overhauled, the phenomenon that each main water supply pipe is damaged can be found in time, the water supply waste caused by finding water leakage points between buildings or communities by no people is avoided, and the effect of green environmental protection is achieved.
Referring to fig. 4, the step S5 specifically includes the following steps:
a1, value comparison: counting the flow data of a plurality of continuous time periods, averaging, and comparing the average value with a preset threshold value;
a2, comparison and judgment: if the average value is smaller than the threshold value, performing step A3, and if the average value is larger than the threshold value, repeating step A1 when the flow data is received next time;
a3, water purification circulation: and starting preset circulating equipment to circulate water in the main water supply pipe, and stopping the circulating equipment after starting for 3 min. The flow data of a plurality of past time periods of each residential building are counted and averaged, and when the fact that too little water is used or water is not used for a long time in the residential building is detected, the circulation equipment is started in time to circulate the water in the main water supply pipe, so that scaling and deposition of the water in the main water supply pipe are avoided.
The embodiment of the application also discloses a community water supply system based on the big data. Referring to fig. 5, a big data-based cell water supply system is applied to a big data-based cell water supply method in the above scheme, and includes: the device comprises a server module 1, a pressurization control module 2, a water quality management module 3, a flow detection module 4 and a flow management module 5, wherein the server module 1 is in communication connection with the water quality management module 3, the flow detection module 4 and the flow management module 5.
Referring to fig. 5, the server module 1 is configured to obtain historical water consumption data of each residential building in a community at each time period of the whole day, generate a water consumption database, and analyze and obtain a water consumption table generated at a peak water consumption time period and a low peak water consumption time period of the residential building. And the pressurization control module 2 is used for controlling the pressurization equipment to perform full-power pressurization water supply in a peak time period according to the water consumption time table and controlling the pressurization equipment to perform preset low-power pressurization water supply in a low-peak water consumption time period. And the water quality management module 3 is used for regularly detecting the water quality in the main water supply pipe, analyzing a water quality detection result, sending alarm information to a community property place if the water quality does not reach the standard, and transferring the water which does not reach the standard in the main water supply pipe. And the flow detection module 4 is used for detecting the flow of the main water supply pipe, receiving flow data sent by the flow detection equipment 41 arranged in a specific position according to a preset time interval, analyzing the received flow data, generating an alarm for abnormal flow data and sending the alarm to a community property place. And the flow management module 5 is used for counting the flow data of a plurality of continuous time periods and averaging the flow data, and if the average value is smaller than a preset threshold value, starting preset circulating equipment to circulate the water in the main water supply pipe. Through the division of peak time and low peak time quantum, and then intelligent regulation supercharging equipment's power, when guaranteeing that the resident building is enough all day, further reduce the energy resource consumption that high-rise building supplied water and pressurized in the district, reach green's effect. And the water quality can be detected regularly, so that the phenomenon that the water quality of the main water supply pipe does not reach the standard due to various accidental factors can be found in time, and the water safety of residential users is ensured. Simultaneously carry out flow detection to the main water supply pipe of each resident building in the district, can in time discover that each main water supply pipe takes place damaged phenomenon, avoid unmanned discovery building crowd or the water leakage point between the district cause the water supply extravagant, reach green's effect. Further flow data of each residential building in a plurality of past time periods are counted and averaged, and when the fact that too little water or no water is used for a long time in the residential building is detected, the circulating equipment is started in time to circulate water in the main water supply pipe, and scaling and deposition of water in the main water supply pipe are avoided.
Referring to fig. 5, the water quality management module 3 includes a water quality detection device 31 for periodically detecting the water quality in the main water supply pipe and an external introduction device 32 for transferring water that does not reach standards in the main water supply pipe to a storage tank for other purposes. The timing detection of the water quality can timely find the phenomenon that the water quality of the main water supply pipe does not reach the standard due to various accidental factors, and the water safety of residential users is ensured. Transfer to in other preset usage bin with unqualified water of quality of water in the main water supply pipe, and then supply water to the communal facility that the district does not have the requirement to quality of water, if supply water and public place keeping a public place clean and supplying water etc. to the green plant of district, can also the water economy resource when guaranteeing resident's water safety, avoid appearing the water waste, reach green's effect.
Referring to fig. 5, the flow rate detection module 4 includes a flow rate detection device 41, a flow rate comparison module 42, and a flow rate profile module 43. The flow rate detection device 41 is configured to detect a flow rate of the main water supply pipe, and send flow rate data to the flow rate comparison module 42 according to a preset time interval. The flow curve module 43 is used to calculate a predicted water supply curve according to the normal water supply flow data obtained for a plurality of time periods before the current detection time period. The flow comparison module 42 is configured to compare the received flow data with a normal range curve of the water supply amount of the user, and if the comparison result is greater than a preset elasticity value, send the position information of the flow device to a property manager, and generate an overhaul request. Carry out flow detection to the main water supply pipe of each resident building in the district, can in time discover that each main water supply pipe takes place damaged phenomenon, avoid unmanned discovery building crowd or the water leakage point between the district to cause the water supply extravagant, reach green's effect.
Referring to fig. 5, a big data-based community water supply system further includes a water shortage feedback module 6, and the water shortage feedback module 6 includes a demand receiving module 61 and a water shortage analyzing module 62. And the demand receiving module 61 is used for acquiring the water shortage demand fed back by the high-rise user in real time. The water shortage analysis module 62 judges the residential building where the user is located and the time period where the user is located according to the water shortage requirement, and adjusts the boost power of the residential building where the user is located through the boost control module 2 if the user is in the low peak time period; if the peak time period of the user is, acquiring whether the condition that the main water supply pipe is in maintenance exists, and if so, feeding back the condition to the user; if not, sending the water shortage requirement of the user to a community property place, and performing maintenance and judgment on the main water supply pipe by property management personnel to judge whether the main water supply pipe is damaged or not. Receiving user's lack of water feedback in real time and adjusting supercharging device power at the low peak time and ensure that the user water is sufficient, when practicing thrift supercharging device energy resource consumption, promote user's water and experience, can also make the phenomenon that the delivery pipe is damaged in the discovery district in advance through receiving the lack of water feedback simultaneously.
The embodiment of the present application further discloses a computer-readable storage medium, which stores a computer program that can be loaded by a processor and executed in the method as described above, and the computer-readable storage medium includes, for example: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The above examples are only used to illustrate the technical solutions of the present invention, and do not limit the scope of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from these embodiments without making any inventive step, fall within the scope of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still make various combinations, additions, deletions or other modifications of the features of the embodiments of the present invention according to the situation without conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, and these technical solutions also fall within the protection scope of the present invention.