阅读说明：本技术 一种箱体智能维护装置及方法 (Intelligent box maintenance device and method ) 是由 张莉珠 雷剧璋 郁景礼 郭修杰 张峰 郑联国 姜美玲 蔡珍珍 于 2021-07-28 设计创作，主要内容包括：本申请公开了一种箱体智能维护装置及方法,通过识别模块判断箱体灰尘量是否超过预置阈值,从而启动空气泵产生气体输送到清理装置的外层气道对灰尘进行喷吹,将灰尘吹起,同时启动真空泵,使得带有灰尘的空气经过气腔负压的内层气道,接着经过过滤器将灰尘过滤,最后尾气经过第二流量计后排出。同时申请人发现当气体流速为10m/s时,可以保证吹起的灰尘通过内层气道排出,因此本申请设计气体流量计,控制气体流量不小于10m/s,并将清理装置设计为外层气道和内层气道的结构,显著提高了对箱体灰尘的清除效果；进一步通过识别模块判断箱体湿度并利用加热腔加热空气进行除湿处理。解决了现有技术无法对变电站箱体进行有效地除尘和除湿的技术问题。(The application discloses box intelligent maintenance device and method judges through identification module whether box dust volume exceeds preset threshold value to start the air pump and produce gaseous outer layer air flue of carrying cleaning device and spray to the dust, blow up the dust, start the vacuum pump simultaneously, make the air that has the dust through the inlayer air flue of air cavity negative pressure, filter the dust through the filter afterwards, last tail gas is discharged behind the second flowmeter. Meanwhile, the applicant finds that when the gas flow rate is 10m/s, blown dust can be discharged through the inner-layer air passage, so that the gas flow meter is designed, the gas flow is controlled to be not less than 10m/s, the cleaning device is designed to be of the structure of the outer-layer air passage and the inner-layer air passage, and the dust cleaning effect of the box body is obviously improved; and further judging the humidity of the box body through an identification module and carrying out dehumidification treatment by utilizing the heating cavity to heat air. The technical problem that the box body of the transformer substation cannot be effectively dedusted and dehumidified in the prior art is solved.)

1. An apparatus is maintained to box intelligence, its characterized in that includes: the device comprises an identification module, a cleaning device, an air pump, a vacuum pump, a dryer, a first flowmeter, a second flowmeter, a flow controller and a filter;

the cleaning device is formed by embedding a first round pipe in a second round pipe, an outer layer air flue is formed by the outer wall of the first round pipe and the inner part of the second round pipe, an inner layer air flue is formed in the inner cavity of the first round pipe, the first bottom surface of the cleaning device is closed, the second bottom surface of the cleaning device is open, and the identification module is arranged on the second bottom surface;

the air pump is sequentially connected with the dryer, the first flowmeter and the outer air passage, and the inner air passage is sequentially connected with the filter, the second flowmeter and the vacuum pump;

the identification module is used for judging whether the dust amount on the surface of the box body is larger than a preset threshold value or not, and if so, triggering the flow controller;

the flow controller is configured to: after the air pump and the dryer are started, the air pump is controlled to work according to the gas flow obtained by the first flowmeter, so that the flow rate of the gas entering the outer-layer gas channel is not less than 10m/s, and the gas in the outer-layer gas channel is enabled to blow dust;

and after the vacuum pump and the filter are started, the vacuum pump works according to the gas flow obtained by the second flowmeter, so that the gas flow rate of the inner-layer gas passage is the same as that of the outer-layer gas passage, and the inner-layer gas passage adsorbs dust.

2. The intelligent box maintenance device according to claim 1, wherein the dryer is specifically configured to: drying the air sucked from the air pump so that the humidity of the air is not more than 1%.

3. The intelligent cabinet maintenance device according to claim 1, further comprising: a heating cavity; the heating cavity is connected between the first flowmeter and the outer air channel through an air pipe;

the heating cavity is used for: when the identification module identifies that the humidity of the box body is larger than a preset threshold value, the air entering from the first flowmeter is heated and then is conveyed to the outer layer air passage, so that the air is blown to the box body.

4. The intelligent cabinet maintenance device according to claim 1, further comprising: a location alarm; the position alarm is arranged on the second bottom surface of the cleaning device; and the alarm signal is sent out when the distance between the second bottom surface and the surface of the box body is smaller than a preset distance value.

5. The intelligent cabinet maintenance device according to claim 1, further comprising: an ultraviolet sterilizing lamp; the ultraviolet sterilization device is arranged on the second bottom surface of the cleaning device and is used for sterilizing the box body.

6. The intelligent box maintenance device according to claim 1, wherein the air pump is sequentially connected to the dryer, the first flowmeter, and the outer airway, and the inner airway is sequentially connected to the filter, the second flowmeter, and the vacuum pump, specifically:

the air pump is sequentially connected with the dryer, the first flowmeter and the outer air passage in a plugging mode through an air pipe, and the inner air passage is sequentially connected with the filter, the second flowmeter and the vacuum pump in a plugging mode through an air pipe.

7. The intelligent cabinet maintenance device according to claim 1, wherein the identification module comprises: and the image recognizer is used for acquiring a dust image on the surface of the box body, judging whether the dust amount is greater than a preset threshold value after recognizing the dust image, and if so, triggering the flow controller.

8. The intelligent cabinet maintenance device according to claim 3, wherein the identification module comprises: and the humidity sensor is used for acquiring the air humidity of the surrounding environment of the box body, judging whether the humidity of the box body is greater than a preset threshold value or not, and if so, triggering the heating cavity.

9. The intelligent cabinet maintenance device according to claim 4, wherein the position alarm is: and the infrared detector is arranged in the center of the second bottom surface of the cleaning device.

10. An intelligent box maintenance method, which is applied to the intelligent box maintenance device of any one of claims 1 to 9, and comprises the following steps:

the identification module judges whether the dust amount on the surface of the box body is larger than a preset threshold value or not, and if so, the flow controller is triggered;

after the flow controller starts the air pump and the dryer, the air pump is controlled to work according to the gas flow obtained by the first flowmeter, so that the flow rate of the gas entering the outer-layer air passage is not less than 10m/s, and the gas in the outer-layer air passage is used for blowing dust; and after the vacuum pump and the filter are started, the vacuum pump works according to the gas flow obtained by the second flowmeter, so that the gas flow rate of the inner-layer gas passage is the same as that of the outer-layer gas passage, and the inner-layer gas passage adsorbs dust.

Technical Field

The application relates to the technical field of electric power operation and maintenance, in particular to an intelligent box maintenance device and method.

Background

The box body in the transformer substation is frequently opened equipment, so that dust deposition in the box body is a normal phenomenon. The box mode of cleaning in current transformer substation is to remove dust with small-size dust catcher, and the dust catcher adopts the negative pressure principle to remove dust the in-process needs strict attached surface just can clear up the dust, and apart from one far away, small-size dust catcher's adsorption affinity is very little not useful basically to because the box generally all is live equipment, the line is arranged and is arranged comparatively complicated moreover, if paste and carry out the dust absorption, there is danger on the one hand, on the other hand also implements the difficulty. The other maintenance work of the box body is that the terminal box is damp-proof, but the effect is very limited no matter the terminal box is adsorbed by a dust collector or wiped by a dry towel.

Therefore, it is an urgent need to solve for those skilled in the art to provide an intelligent box maintenance apparatus and method.

Disclosure of Invention

The application provides an intelligent box maintenance device and method, which are used for solving the technical problem that the box of a transformer substation cannot be effectively dedusted and dehumidified in the prior art.

In view of this, the first aspect of the present application provides an intelligent tank maintenance device, which includes: the device comprises an identification module, a cleaning device, an air pump, a vacuum pump, a dryer, a first flowmeter, a second flowmeter, a flow controller and a filter;

the cleaning device is formed by embedding a first round pipe in a second round pipe, an outer layer air flue is formed by the outer wall of the first round pipe and the inner part of the second round pipe, an inner layer air flue is formed in the inner cavity of the first round pipe, the first bottom surface of the cleaning device is closed, the second bottom surface of the cleaning device is open, and the identification module is arranged on the second bottom surface;

the air pump is sequentially connected with the dryer, the first flowmeter and the outer air passage, and the inner air passage is sequentially connected with the filter, the second flowmeter and the vacuum pump;

the identification module is used for judging whether the dust amount on the surface of the box body is larger than a preset threshold value or not, and if so, triggering the flow controller;

the flow controller is configured to: after the air pump and the dryer are started, the air pump is controlled to work according to the gas flow obtained by the first flowmeter, so that the flow rate of the gas entering the outer-layer gas channel is not less than 10m/s, and the gas in the outer-layer gas channel is enabled to blow dust;

and after the vacuum pump and the filter are started, the vacuum pump works according to the gas flow obtained by the second flowmeter, so that the gas flow rate of the inner-layer gas passage is the same as that of the outer-layer gas passage, and the inner-layer gas passage adsorbs dust.

Optionally, the dryer is specifically configured to: drying the air sucked from the air pump so that the humidity of the air is not more than 1%.

Optionally, the method further comprises: a heating cavity; the heating cavity is connected between the first flowmeter and the outer air channel through an air pipe;

the heating cavity is used for: when the identification module identifies that the humidity of the box body is larger than a preset threshold value, the air entering from the first flowmeter is heated and then is conveyed to the outer layer air passage, so that the air is blown to the box body.

Optionally, the method further comprises: a location alarm; the position alarm is arranged on the second bottom surface of the cleaning device; and the alarm signal is sent out when the distance between the second bottom surface and the surface of the box body is smaller than a preset distance value.

Optionally, the method further comprises: an ultraviolet sterilizing lamp; the ultraviolet sterilization device is arranged on the second bottom surface of the cleaning device and is used for sterilizing the box body.

Optionally, the air pump is sequentially connected to the dryer, the first flowmeter, and the outer airway, and the inner airway is sequentially connected to the filter, the second flowmeter, and the vacuum pump, specifically:

the air pump is sequentially connected with the dryer, the first flowmeter and the outer air passage in a plugging mode through an air pipe, and the inner air passage is sequentially connected with the filter, the second flowmeter and the vacuum pump in a plugging mode through an air pipe.

Optionally, the identification module comprises: and the image recognizer is used for acquiring a dust image on the surface of the box body, judging whether the dust amount is greater than a preset threshold value after recognizing the dust image, and if so, triggering the flow controller.

Optionally, the identification module comprises: and the humidity sensor is used for acquiring the air humidity of the surrounding environment of the box body, judging whether the humidity of the box body is greater than a preset threshold value or not, and if so, triggering the heating cavity.

Optionally, the location alarm is: and the infrared detector is arranged in the center of the second bottom surface of the cleaning device.

A second aspect of the present application provides an intelligent box maintenance method, which is applied to the intelligent box maintenance device of the first aspect, and the method includes:

the identification module judges whether the dust amount on the surface of the box body is larger than a preset threshold value or not, and if so, the flow controller is triggered;

after the flow controller starts the air pump and the dryer, the air pump is controlled to work according to the gas flow obtained by the first flowmeter, so that the flow rate of the gas entering the outer-layer air passage is not less than 10m/s, and the gas in the outer-layer air passage is used for blowing dust; and after the vacuum pump and the filter are started, the vacuum pump works according to the gas flow obtained by the second flowmeter, so that the gas flow rate of the inner-layer gas passage is the same as that of the outer-layer gas passage, and the inner-layer gas passage adsorbs dust.

According to the technical scheme, the method has the following advantages:

the application provides a device is maintained to box intelligence judges through identification module whether box surface dust volume exceedes preset threshold value to start the air pump and produce gaseous outer air flue of carrying cleaning device and jetting the dust, blow the dust, start the vacuum pump simultaneously, make the air that has the dust through the inlayer air flue of air cavity negative pressure, filter the dust through the filter after that, last tail gas is discharged behind the second flowmeter. Meanwhile, the applicant calculates according to the Reynolds number, when the gas flow rate is 10m/s, the gas flows into turbulence, the pressure intensity at the gas position with high flow rate can be known to be small according to the Bernoulli formula, and the blown dust can be basically discharged through the inner-layer gas passage, so that the maintenance device of the application designs the gas flow meter, controls the gas quantity generated by the air pump and the adsorbed gas flow of the vacuum pump to be not less than 10m/s according to the gas quantity of the flow meter, and designs the cleaning device into the structures of the outer-layer gas passage and the inner-layer gas passage, thereby effectively improving the cleaning effect on the dust in the box body.

Further, this application has set up the heating chamber and identification module can also be used for the judgement to box humidity, when judging humidity and surpassing preset threshold value, starts the heating chamber and carries out effectual dehumidification through outer air flue to the box after heating the air. Thereby solved prior art and can't remove dust and the technical problem of dehumidification effectively to the transformer substation box.

Drawings

Fig. 1 is a schematic structural diagram of an intelligent box maintenance device provided in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a cleaning device of the intelligent box maintenance device provided in the embodiment of the present application;

fig. 3 is a schematic diagram illustrating switching of operating modes of the intelligent box maintenance device provided in the embodiment of the present application.

Detailed Description

In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Please refer to fig. 1 and fig. 2.

The box intelligent maintenance device that this application embodiment provided includes: the device comprises an identification module, a cleaning device, an air pump, a vacuum pump, a dryer, a first flow meter, a second flow meter, a flow controller and a filter.

Cleaning device constitutes by first pipe is embedded in the second pipe, and the outer wall of first pipe and the inside constitution outer air flue of second pipe, and the inner chamber of first pipe is the inlayer air flue, and cleaning device's first bottom surface is sealed, the open design in second bottom surface, and identification module sets up in the second bottom surface.

As shown in FIG. 2, the cleaning device comprises an outer air passage and an inner air passage, and the embodiment of the application is obtained by embedding one round pipe into another round pipe, and besides the design scheme, a person skilled in the art can design other structures to obtain the structures of the outer air passage and the inner air passage. It should be noted that, outer air flue and inlayer air flue have all designed quick connector, are convenient for carry out the high-speed joint through trachea and other modules, and this joint all designs in a closed bottom surface of cleaning device, and the open design of second bottom surface can understand that the second bottom surface is for being used for jetting and absorbent face.

The air pump is connected with the dryer, the first flowmeter and the outer air passage in sequence, and the inner air passage is connected with the filter, the second flowmeter and the vacuum pump in sequence.

As shown in fig. 1, it should be noted that, in this embodiment, except that the first flowmeter and the second flowmeter are electrically connected to the flow controller, all the other modules are connected to each other by inserting and pulling through an air pipe; the length of the air pipe can be designed according to actual needs, and is not limited, it can be understood that the above connection mode is not fixed, and other modules can be added according to needs, for example, the following embodiments add a heating cavity between the first flow meter and the outer air passage according to dehumidification needs to heat air.

And the identification module is used for judging whether the dust amount on the surface of the box body is larger than a preset threshold value or not, and if so, triggering the flow controller.

It should be noted that the identification module includes multiple functions, for example, the dust amount identification in this embodiment, and may also be a humidity determination in the following embodiment, where the identification module in this embodiment determines whether the dust amount is greater than a preset threshold value by taking a dust image of the surface of the box body and identifying the dust image, and if so, triggers the flow controller.

The flow controller is used for: after the air pump and the dryer are started, the air pump is controlled to work according to the gas flow obtained by the first flowmeter, so that the flow rate of the gas entering the outer-layer air passage is not less than 10m/s, and the gas in the outer-layer air passage is used for blowing dust. And after the vacuum pump and the filter are started, the vacuum pump works according to the gas flow obtained by the second flowmeter, so that the gas flow rate of the inner-layer gas passage is the same as that of the outer-layer gas passage, and the inner-layer gas passage adsorbs dust.

It should be noted that the air pump is used to compress the external air, and the vacuum pump is used to extract the blown dust, wherein the vacuum pump of the present embodiment is a small vacuum pump in consideration of the designed gas flow rate, the cost, and other factors. It can be understood that the flow meter, the air pump and the vacuum pump work in a negative feedback mechanism, when the dust amount is larger than a preset threshold value, the flow controller controls the air pump to continuously generate gas with the gas flow rate of not less than 10m/s through the gas flow rate obtained by the first flow meter, and blows the dust of the box body through the outer air passage, and meanwhile, the flow controller controls the vacuum pump to work through the gas flow rate obtained by the second flow meter so that the gas flow rate of the inner air passage and the outer air passage are kept the same, and therefore the blown dust is effectively adsorbed.

It should be noted that, the applicant calculates Re ═ ρ vd/η (reynolds number Re, flow velocity v (m/s), density ρ (kg/m ^3), and characteristic length (inner diameter) d (mm)) of dynamic viscosity coefficient η (Pa · s) according to reynolds number, and when the gas flow velocity is 10m/s, the gas flow is turbulent, and according to the bernoulli formula, it can be known that the pressure at the gas with high flow velocity is small, which can ensure that the blown-up dust is substantially discharged through the inner airway. The flow rate of gas entering the outer layer gas passage and the inner layer gas passage is set to not less than 10 m/s.

The application provides a device is maintained to box intelligence judges through identification module whether box surface dust volume exceedes preset threshold value to start the air pump and produce gaseous outer air flue of carrying cleaning device and jetting the dust, blow the dust, start the vacuum pump simultaneously, make the air that has the dust through the inlayer air flue of air cavity negative pressure, filter the dust through the filter after that, last tail gas is discharged behind the second flowmeter. Meanwhile, the applicant calculates according to the Reynolds number, when the gas flow rate is 10m/s, the gas flows into turbulence, the pressure intensity at the gas position with high flow rate can be known to be small according to the Bernoulli formula, and the blown dust can be basically discharged through the inner-layer gas passage, so that the maintenance device of the application designs a gas flow meter, controls the gas quantity generated by the air pump and the adsorbed gas flow of the vacuum pump to be not less than 10m/s according to the gas quantity of the flow meter, and designs the cleaning device into the structures of the outer-layer gas passage and the inner-layer gas passage, thereby effectively improving the cleaning effect on the dust in the box body

In a particular embodiment, the dryer of the present application is particularly adapted for: the air sucked from the air pump is dried so that the humidity of the air is not more than 1%.

It can be understood that, in order to prevent the air generated by the air pump from being too humid and avoid the box body from being wet during dust removal, the air sucked from the air pump is dried by the dryer, so that the humidity of the air is not more than 1%.

Further, in a preferred embodiment, the intelligent box maintenance device of the present application further includes: a heating cavity; the heating cavity is connected between the first flowmeter and the outer layer air passage through an air pipe; the heating cavity is used for: when the identification module identifies that the humidity of the box body is larger than the preset threshold value, the air entering from the first flowmeter is heated and then is conveyed to the outer layer air passage, so that the air is blown to the box body.

Further, in a preferred embodiment, the intelligent box maintenance device of the present application further includes: a location alarm; the position warning device is arranged on the second bottom surface of the cleaning device; and the alarm signal is sent out when the distance between the second bottom surface and the surface of the box body is smaller than a preset distance value.

Further, in a preferred embodiment, the intelligent box maintenance device of the present application further includes: an ultraviolet sterilizing lamp; the ultraviolet sterilization device is arranged on the second bottom surface of the cleaning device and is used for sterilizing the box body.

Further, in a preferred embodiment, the air pump is sequentially connected with the dryer, the first flowmeter and the outer air passage in a plugging and pulling mode through an air pipe, and the inner air passage is sequentially connected with the filter, the second flowmeter and the vacuum pump in a plugging and pulling mode through an air pipe.

In a specific embodiment, the identification module of the present application includes: and the humidity sensor is used for acquiring the air humidity of the surrounding environment of the box body, judging whether the humidity of the box body is greater than a preset threshold value or not, and if so, triggering the heating cavity.

In a specific embodiment, the identification module of the present application includes: and the humidity sensor is used for acquiring the air humidity of the surrounding environment of the box body, judging whether the humidity of the box body is greater than a preset threshold value or not, and if so, triggering the heating cavity.

It can be understood that, in this embodiment, a heating chamber is further added on the basis of the first embodiment, and the identification module can also be used for judging the humidity of the box body, and when the humidity is judged to exceed the preset threshold, the heating chamber is started to heat the air, and then the effective dehumidification treatment is performed on the box body through the outer air passage. And the dust removal and dehumidification functions are simultaneously completed.

In one specific embodiment, the location alarm of the present application is: and the infrared detector is arranged in the center of the second bottom surface of the cleaning device.

As shown in fig. 2, the infrared detector of the present embodiment is disposed at the center of the second bottom surface of the cleaning apparatus, and the position alarm uses infrared detection, uses a rectangular coordinate system with the center of the nozzle (i.e., the second bottom surface) and uses six directions to detect, determines the distance from the nozzle position to the device, and alarms when the nozzle distance is less than 1CM from the device.

The control method of the various modules of the maintenance device of the present application is described as follows:

as shown in fig. 3, according to one control example provided by the present application, if only the drying process is required, the uv sterilization lamp does not need to be turned on, i.e., QF3 is not charged, QF2 is not charged, and QF4 is not charged if heating is not required. The working mode is various, accords with multiple work needs.

The above is an embodiment of the intelligent box maintenance device of the present application, and the following is an embodiment of the intelligent box maintenance method of the present application.

The application provides a box intelligent maintenance method, including:

the identification module judges whether the dust amount on the surface of the box body is larger than a preset threshold value or not, and if yes, the flow controller is triggered.

After the flow controller starts the air pump and the dryer, the air pump is controlled to work according to the gas flow obtained by the first flowmeter, so that the flow rate of the gas entering the outer-layer air passage is not less than 10m/s, and the gas in the outer-layer air passage is used for blowing dust; and after the vacuum pump and the filter are started, the vacuum pump works according to the gas flow obtained by the second flowmeter, so that the gas flow rate of the inner-layer gas passage is the same as that of the outer-layer gas passage, and the inner-layer gas passage adsorbs dust.

The embodiment provides a box body intelligent maintenance method, judges through identification module whether box body surface dust volume exceeds preset threshold value to start the air pump and produce gaseous outer layer air flue of carrying cleaning device and spray blowing to the dust, blow up the dust, start the vacuum pump simultaneously, make the air that has the dust through the inlayer air flue of air cavity negative pressure, filter the dust through the filter afterwards, and last tail gas is discharged behind the second flowmeter. Meanwhile, the applicant calculates according to the Reynolds number, when the gas flow rate is 10m/s, the gas flows into turbulence, the pressure intensity at the gas position with high flow rate can be known to be small according to the Bernoulli formula, and the blown dust can be basically discharged through the inner-layer gas passage, so that the maintenance device of the application designs the gas flow meter, controls the gas quantity generated by the air pump and the adsorbed gas flow of the vacuum pump to be not less than 10m/s according to the gas quantity of the flow meter, and designs the cleaning device into the structures of the outer-layer gas passage and the inner-layer gas passage, thereby effectively improving the cleaning effect on the dust in the box body.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working process of the method described above may refer to the corresponding process in the foregoing device embodiment, and is not described herein again.

The terms "first," "second," "third," "fourth," and the like in the description of the application and the above-described figures, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It should be understood that in the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" for describing an association relationship of associated objects, indicating that there may be three relationships, e.g., "a and/or B" may indicate: only A, only B and both A and B are present, wherein A and B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of single item(s) or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, 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.

The 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 achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present application 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 integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing 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 according to the embodiments of the present application. And the aforementioned storage medium includes: a U disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.

The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.