CN113395254A - Power grid data communication system and method with converged internal network and external network - Google Patents
Power grid data communication system and method with converged internal network and external network Download PDFInfo
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Abstract
The invention discloses a power grid data communication system and method with converged internal and external networks. The method aims to solve the problems that in the prior art, the power grid can not meet huge information quantity interaction by using a private network for communication alone, and the safety of data communication can not be ensured by using an external network; the invention comprises the following steps: s1: the robot patrols and examines, gather the data of the electric wire netting; s2: encrypting the collected power grid data; transmitting the encrypted power grid data to a cloud database through an external network, and transmitting a secret key to a control center through an internal network; s3: the control center obtains corresponding encrypted power grid data from the cloud database through the external network, decrypts the encrypted power grid data by using the secret key, and restores the encrypted power grid data to obtain original power grid data; s4: and the control center carries out power grid fault diagnosis according to the original power grid data and judges whether the inspection object has a fault. The encrypted data is transmitted through the external network, and the secret key is transmitted through the internal network, so that huge information quantity interaction can be met, and meanwhile, the safety of data transmission can be guaranteed.
Description
Technical Field
The invention relates to the field of power grid data communication, in particular to a power grid data communication system with integration of an internal network and an external network.
Background
Currently, the intelligent robot uses private network communication. Private network refers to a professional network that provides security and reliability for a particular department or group (e.g., government and public safety industries), the underlying network of which is independent of other communication networks. The intelligent robot and the control center form a local area network to realize mutual communication, and are isolated from the Internet and a company information intranet, so that the communication safety of the intelligent robot is ensured.
However, with the continuous expansion of the scale of the power grid and the advance of the construction of the smart power grid, power equipment, power terminals and users are increased sharply, and the requirements for information transmission interaction between equipment, between equipment and users and between users are increased explosively, so that an efficient, safe and stable communication technology is urgently needed as a support, and the intelligentization, automation and informatization levels of the power system are improved. The huge information amount interaction cannot be met by singly using the private network communication; however, if an extranet capable of digesting such a huge amount of data is used, for example, 5G communication, the security of data communication cannot be ensured.
For example, a system and a method for accessing an image collected by a transformer substation inspection robot into an electric power intranet disclosed in chinese patent literature, whose publication number CN108092969A, includes an inspection robot, a communication base station, and an access platform; the inspection robot is internally provided with an image acquisition device and wireless data terminal equipment, the image acquisition device is in communication connection with the wireless data terminal equipment, the wireless data terminal equipment is internally provided with a SIM card authenticated by a communication base station, a digital certificate generated by an access platform is stored in the wireless data terminal equipment, the wireless data terminal equipment is in communication connection with the communication base station, the communication base station is in communication connection with the access platform, and the access platform is in communication connection with an electric power intranet. The scheme only uses an intranet for communication, and huge information quantity interaction cannot be met.
Disclosure of Invention
The invention mainly solves the problems that the power grid in the prior art can not meet huge information interaction by using a private network alone, and the safety of data communication can not be ensured by using an external network; the utility model provides a power grid data communication system that interior intranet is fused, through the encrypted data of extranet transmission, through intranet transmission secret key, can satisfy huge information content interaction, can guarantee data transmission's safety simultaneously.
The technical problem of the invention is mainly solved by the following technical scheme:
an internal and external network converged power grid data communication system, comprising:
the robot is used for polling the transformer substation, acquiring power grid data, receiving an operation command of the control center and executing an operation task on transformer substation equipment;
the encryption module is used for encrypting the power grid data collected by the robot into an image, transmitting the encrypted power grid data to the cloud database through extranet communication, and transmitting the secret key to the control center through intranet communication;
the cloud database receives the encrypted power grid data and transmits the encrypted power grid data to the control center through extranet communication according to a request of the control center;
and the control center is in an intranet environment, decrypts the correspondingly encrypted power grid data by using the secret key, acquires the original power grid data, diagnoses the power grid fault, and issues an operation command to the robot through the intranet.
The power grid data comprises data such as infrared temperature measurement and partial discharge and data such as shot pictures and videos.
According to the scheme, the data collected by the power grid are encrypted firstly through the system framework with the internal network and the external network integrated, the encrypted power grid data are transmitted to the control center through the external network, the decrypted secret key is transmitted to the control center through the internal network, and the encrypted power grid data are decrypted in the internal network environment. The encrypted power grid data are transmitted through the external network, and huge information interaction amount can be met on the premise of ensuring data communication safety. And the secret key is transmitted through the intranet, so that the data volume transmitted by the intranet is reduced, and the safety of the encrypted data transmitted by the intranet can be further ensured. The encrypted data is transmitted through the external network, and the secret key is transmitted through the internal network, so that huge information quantity interaction can be met, and meanwhile, the safety of data transmission can be guaranteed.
Preferably, the control center comprises:
the key collecting module is in communication connection with the encryption module through an intranet and is used for receiving and collecting keys of the encrypted power grid data and transmitting the keys to the central processing module;
the central processing module is in communication connection with the cloud database through an external network, acquires the encrypted power grid data from the cloud database, decrypts the encrypted power grid data by using the secret key, and acquires the original power grid data; performing power grid fault diagnosis according to the original power grid data, and issuing an operation command;
the monitoring display module is used for displaying the original power grid data and the fault diagnosis result;
and the command distribution module is used for distributing the operation commands to the corresponding robots through intranet communication.
The control center is in an intranet environment, and only the central processing module has an extranet communication interface for the cloud database, so that the safety of power grid data processing is guaranteed.
Preferably, the control center further comprises a historical fault database, and the historical fault database is connected with the central processing module.
And comparing the data with historical fault data in a historical fault database to judge whether the power grid equipment to be inspected is in fault.
Preferably, the robot comprises an inspection part and an operation part; the inspection part comprises a high-definition camera, an infrared camera and a local discharge sensor which are arranged on the robot holder; the operation portion including set up the multi-functional clamping jaw on the cloud platform and set up the handcart output module in robot chassis top.
The inspection part is used for acquiring data of infrared temperature measurement, partial discharge and the like of the substation equipment and data of shot pictures, videos and the like on site; the operation part executes an operation command issued by the control center, and operates equipment of the transformer substation, such as the handcart is shaken out by aligning the handcart output module with the handcart; the knob or the pressing plate is clamped by the multifunctional clamping jaw to rotate; the button is pressed through the telescopic rod of the multifunctional clamping jaw, and the like; realize remote operation, do not need maintenance personal to catch up with the scene, use manpower sparingly the cost, improve operating efficiency.
A power grid data communication method with converged internal and external networks comprises the following steps:
s1: the robot patrols and examines, gather the data of the electric wire netting;
s2: the encryption module encrypts the collected power grid data to form encrypted power grid data and a secret key; transmitting the encrypted power grid data to a cloud database through an external network, and transmitting a secret key to a control center through an internal network;
s3: the control center obtains corresponding encrypted power grid data from the cloud database through the external network according to the information in the secret key, decrypts the encrypted power grid data by using the secret key, and restores the encrypted power grid data to obtain original power grid data;
s4: and the control center carries out power grid fault diagnosis according to the original power grid data and judges whether the inspection object has a fault.
According to the scheme, the data collected by the power grid are encrypted firstly through the system framework with the internal network and the external network integrated, the encrypted power grid data are transmitted to the control center through the external network, the decrypted secret key is transmitted to the control center through the internal network, and the encrypted power grid data are decrypted in the internal network environment. The encrypted power grid data are transmitted through the external network, and huge information interaction amount can be met on the premise of ensuring data communication safety. And the secret key is transmitted through the intranet, so that the data volume transmitted by the intranet is reduced, and the safety of the encrypted data transmitted by the intranet can be further ensured. The encrypted data is transmitted through the external network, and the secret key is transmitted through the internal network, so that huge information quantity interaction can be met, and meanwhile, the safety of data transmission can be guaranteed.
Preferably, the step S2 includes the following steps:
s21: the robot maps the collected power grid data into binary data to represent, and the binary power grid data are calculated through a Hash algorithm to obtain a binary power grid data identification number;
s22: the encryption module carries out decimal conversion on binary data by taking 8 bits as a group in sequence, and the binary data is complemented with 0 by less than 8 bits;
s23: sequentially representing RGB numerical values by the three converted decimal data respectively to form a plurality of encrypted color blocks;
s24: arranging the encrypted color blocks to form N × M color block images; wherein, N and M are respectively the row number and the column number of the color block image;
s25: the encrypted power grid data is a color block image; the encryption module transmits the encrypted power grid data to a cloud database through an external network;
s26: recording a color block forming sequence, a 0 complementing position and a power grid data identification number by using a secret key; the encryption module transmits the secret key to a secret key collecting module of the control center through an intranet.
The collected power grid data are encrypted into a plurality of encrypted color blocks to form color block images, the encryption process is simple, and the encryption form is novel.
Preferably, interference patches are randomly inserted between encrypted patches formed by the encrypted power grid data to form an N × M patch image, and the key records the insertion positions of the interference patches. And an interference color block is randomly inserted, so that the encryption strength is enhanced, the decoding is more difficult, and the safety of the data communication process is ensured.
Preferably, the secret key is an image formed by alternating shielding parts and hollow parts; the position corresponding to the interference color block in the color block image is a shielding part in the secret key, and the position corresponding to the color block in the color block image is a hollow part in the secret key. The shielding part shields the interference color block during decryption, the encryption color block corresponding to the hollow part is left, and the interference during encryption is filtered.
Preferably, the secret key is an image in a two-dimensional code form; three positioning points of the secret key two-dimensional code are respectively stored with data acquisition time, data acquisition places and power grid data identification number information;
mapping data acquisition time and data acquisition place information into binary data;
the power grid data identification number is converted into an R parameter of a positioning color block, the data acquisition time is converted into a G parameter of the positioning color block, the data acquisition place is converted into a B parameter, and the three positioning points of the secret key two-dimensional code are represented by the color of the positioning color block formed by the power grid data identification number, the data acquisition time and RGB data converted from the data acquisition place.
The secret key adopts a two-dimensional code form, so that interference in encryption can be removed through alternate shielding parts and hollow parts, and information of data acquisition time, data acquisition places and power grid data identification numbers can be recorded in three positioning points. If necessary, more information can be loaded in the formed two-dimensional code, such as historical failure information of equipment, the original arrangement sequence of the encrypted color blocks when the encrypted color blocks are arranged out of order, and the like. The key is simple, but the amount of information contained is large.
Preferably, the step S3 includes the following steps:
s31: the key collecting module in the control center transmits collected keys to the central processing module of the control center, and the central processing module determines power grid data corresponding to the keys according to power grid data identification numbers in the keys;
s32: the central processing module sends a power grid data acquisition request and a power grid data identification number to a cloud database through external network communication, and the cloud database verifies the power grid data identification number; if the verification is correct, transmitting the corresponding encrypted power grid data to the central processing module through the external network, otherwise, ending;
s33: the central processing module obtains the encrypted color block arrangement of the encrypted power grid data through the secret key; analyzing the RGB value of each encrypted color block color, and sequentially converting the RGB values into binary data of power grid data;
s34: and mapping the binary data of the power grid data into the original power grid data.
And decrypting the color block image by using the key in the reverse process of the practical encryption process to obtain the original power grid data.
The invention has the beneficial effects that:
1. the encrypted data is transmitted through the external network, and the secret key is transmitted through the internal network, so that huge information quantity interaction can be met, and meanwhile, the safety of data transmission can be guaranteed.
2. The secret key is transmitted through the intranet, so that the data volume transmitted by the intranet is reduced, and the safety of the encrypted data transmitted by the intranet can be further ensured.
3. The collected power grid data are encrypted into a plurality of encrypted color blocks to form color block images, the encryption process is simple, the encryption form is novel, the encrypted data expression form is concise, and the data volume is small.
4. And interference color blocks are randomly inserted into the color block images, so that the encryption strength is enhanced, the decoding is more difficult, and the safety of the data communication process is ensured.
5. The secret key adopts a two-dimensional code form, so that interference in encryption can be removed through alternate shielding parts and hollow parts, and information of data acquisition time, data acquisition places and power grid data identification numbers can be recorded in three positioning points. The form is simple, and the contained data volume is large.
Drawings
Fig. 1 is a block diagram of a power grid data communication system with converged internal and external networks according to the present invention.
Fig. 2 is a flow chart of a power grid data communication method with converged internal and external networks according to the invention.
In the figure, 1, a robot, 2, an encryption module, 3, a cloud database, 4, a control center, 5, a key summarizing module, 6, a central processing module, 7, a monitoring display module, 8, a command distribution module and 9, a historical fault database are arranged.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example (b):
a power grid data communication system with converged internal and external networks is shown in figure 1 and comprises a robot 1, an encryption module 2, a cloud database 3 and a control center 4.
The cloud database 3 is in communication connection with the encryption module 2 through an external network, and the cloud database 3 is in communication connection with the control center 4 through the external network. The robot 1 is in communication connection with the control center 4 through an intranet, the encryption module 2 is in communication connection with the control center 4 through the intranet, and the control center 4 is in an intranet environment.
In the present embodiment, the robot 1 performs inspection and operation operations in a plurality of substations, respectively. Each robot 1 is in the same intranet environment as one encryption module 2. Each platform area is provided with a control center 4 and a cloud database 3, and the control center 4 receives the routing inspection data of all the robots 1 in the platform area where the control center is located and issues operation commands to the robots respectively.
The robot 1 patrols and examines a transformer substation and collects power grid data. The robot 1 receives an operation command from the control center 4 and performs an operation task on the substation equipment.
In the present embodiment, the robot 1 includes an inspection portion and an operation portion.
The inspection part comprises but is not limited to a high-definition camera, an infrared camera and a local discharge sensor. High definition digtal camera, infrared camera and local sensor set up each side on the cloud platform of robot respectively for acquire the electric wire netting data.
The power grid data comprises, but is not limited to, data such as infrared temperature measurement and partial discharge, and data such as shot photos and videos. The infrared camera acquires infrared temperature measurement data, and the partial discharge sensor acquires data such as pictures and videos shot by the partial discharge data high-definition camera. The power grid data also includes voiceprint data, smell data, electrical quantity identification data and the like.
The operation portion is including setting up the multi-functional clamping jaw on the cloud platform and setting up the handcart output module in robot chassis top. In this embodiment, the multifunctional clamping jaw comprises a clamping jaw and an expansion rod, and the handcart output module is matched with the shape of the handcart of the cabinet body.
And the operation part executes an operation command issued by the control center to operate equipment of the transformer substation. When in use, the handcart output module is aligned with a handcart and rotates to shake out the handcart; the clamping jaw of the multifunctional clamping jaw clamps the knob or the pressing plate to rotate; the telescopic rod of the multifunctional clamping jaw is used for pressing the button in a telescopic mode.
The remote operation is realized by the operation part, maintenance personnel do not need to drive to the site, the labor cost is saved, and the operation efficiency is improved.
The encryption module 2 encrypts the power grid data collected by the robot 1 into a color block image, transmits the encrypted power grid data to the cloud database 3 through extranet communication, and transmits the secret key to the control center 4 through intranet communication.
The cloud database 3 receives the encrypted power grid data, and transmits the encrypted power grid data to the control center 4 through extranet communication according to a request of the control center 4.
The control center 4 is in an intranet environment, decrypts the correspondingly encrypted power grid data by using the secret key, acquires the original power grid data, performs power grid fault diagnosis, and issues an operation command to the robot 1 through the intranet.
The control center 4 comprises a key summarizing module 5, a central processing module 6, a monitoring display module 7 and a command distribution module 8. The key summarizing module 5, the monitoring display module 7 and the command distribution module 8 are respectively connected with the central processing module 6.
The key summarizing module 5 is in communication connection with the encryption module through an intranet, and is used for receiving and summarizing keys of the encrypted power grid data and transmitting the keys to the central processing module 6.
The central processing module 6 is in communication connection with the cloud database 3 through an external network, acquires the encrypted power grid data from the cloud database 3, decrypts the encrypted power grid data by using a secret key, and acquires the original power grid data; and carrying out power grid fault diagnosis according to the original power grid data, and issuing an operation command.
And the monitoring display module 7 is used for displaying the original power grid data and the fault diagnosis result.
The command distribution module 8 distributes the operation commands to the corresponding robots 1 through intranet communication.
A power grid data communication method with converged internal and external networks, as shown in fig. 2, includes the following steps:
s1: and (5) the robot patrols and examines and collects power grid data.
An infrared camera of the robot acquires infrared temperature measurement data, and a partial discharge sensor acquires data such as pictures and videos shot by a partial discharge data high-definition camera.
The collected power grid data includes, but is not limited to, infrared temperature measurement data, partial discharge data, shot photo and video data, voiceprint data, odor data, electrical quantity identification data and the like.
S2: the encryption module encrypts the collected power grid data to form encrypted power grid data and a secret key; and transmitting the encrypted power grid data to a cloud database through an external network, and transmitting the secret key to a control center through an internal network.
S21: the robot maps the collected power grid data into binary data to represent, and the binary power grid data are calculated through a Hash algorithm to obtain a binary power grid data identification number.
For example, the type of the taken picture and the data, i.e., the picture type, the picture size, the position of each pixel point and the RGB value of each pixel point are represented by binary numbers, wherein the first 8 bits are the picture type, the second 8 bits are the picture size, the second 16 bits are the position of the first pixel point, and the second 24 bits are the RGB value of the first pixel point; and by analogy, completing binary mapping of the power grid data.
S22: the encryption module carries out decimal conversion on binary data by taking 8 bits as a group in sequence, and the binary data is complemented with 0 by less than 8 bits.
S23: and sequentially representing RGB numerical values by the three converted decimal data to form a plurality of encrypted color blocks.
S24: the encrypted patches are arranged to form an N M patch image. And N and M are respectively the row number and the column number of the color block image.
And randomly inserting interference color blocks among the encrypted color blocks to form an N '. multidot.M' color block image.
The key records the insertion position of the interference block. The secret key is an image with alternate shielding parts and hollow parts; the position corresponding to the interference color block in the color block image is a shielding part in the secret key, and the position corresponding to the color block in the color block image is a hollow part in the secret key.
S25: the encrypted power grid data is a color block image; and the encryption module transmits the encrypted power grid data to the cloud database through an external network.
S26: recording a color block forming sequence, a 0 complementing position and a power grid data identification number by using a secret key; the encryption module transmits the secret key to a secret key collecting module of the control center through an intranet.
In this embodiment, the key is an image in the form of a two-dimensional code; and three positioning points of the secret key two-dimensional code are respectively stored with data acquisition time, data acquisition places and power grid data identification number information. And no encrypted color block is arranged at the position of the color block image corresponding to the three positioning points of the secret key two-dimensional code.
And mapping the data acquisition time and the data acquisition place information into binary data.
The data collection time, the data collection place, and the grid data identification number information are encrypted in the same manner as the grid data encryption in step S2. The power grid data identification number is converted into an R parameter of a positioning color block, the data acquisition time is converted into a G parameter of the positioning color block, the data acquisition place is converted into a B parameter, and the three positioning points of the secret key two-dimensional code are represented by the color of the positioning color block formed by the power grid data identification number, the data acquisition time and RGB data converted from the data acquisition place.
S3: and the control center obtains the corresponding encrypted power grid data from the cloud database through the external network according to the information in the secret key, decrypts the encrypted power grid data by using the secret key, and restores the encrypted power grid data to obtain the original power grid data.
S31: the key gathering module in the control center transmits the gathered and collected key to the central processing module of the control center, and the central processing module determines the power grid data corresponding to the key according to the power grid data identification number in the key.
The central processing module obtains the secret key, decrypts the RGB values of the three positioning points of the secret key two-dimensional code, sequentially integrates R parameters in RGB of the positioning points, converts the R parameters into binary system, and obtains a power grid data identification number. Similarly, sequentially integrating the G parameters in the RGB of the positioning points, converting the G parameters into binary data to obtain binary data of data acquisition time, and obtaining the data acquisition time after mapping conversion; and sequentially integrating the B parameters in the RGB of the positioning points, converting the B parameters into binary system to obtain binary data of the data acquisition place, and mapping and converting the binary data to obtain the data acquisition place.
S32: the central processing module sends a power grid data acquisition request and a power grid data identification number to a cloud database through external network communication, and the cloud database verifies the power grid data identification number; and if the verification is correct, transmitting the corresponding encrypted power grid data to the central processing module through the external network, otherwise, ending.
The central processing module sends a power grid data acquisition request and a power grid data identification number to a cloud database according to the power grid data identification number, the cloud database carries out Hash inverse operation on the power grid data identification number to verify a request object, if matching data exist in the cloud database in the inverse operation result, verification is successful, and corresponding encrypted power grid data are sent to the central processing module through an external network; otherwise, the verification fails and the operation is finished.
S33: the central processing module obtains the encrypted color block arrangement of the encrypted power grid data through the secret key; and analyzing the RGB value of each encrypted color block color, and sequentially converting the RGB values into binary data of the power grid data.
And comparing the secret key in the form of the two-dimensional code with the color block image, wherein the color block of the color block image relative to the position of the hollow part is an encrypted color block, analyzing and extracting RGB values of the encrypted color blocks after sequential integration, and converting the RGB values into binary data to obtain the binary data of the power grid data.
S34: and mapping the binary data of the power grid data into the original power grid data.
S4: and the control center carries out power grid fault diagnosis according to the original power grid data and judges whether the inspection object has a fault.
And the central processing module compares and matches the original data with historical faults in the historical fault database and judges whether the routing inspection object has faults or not.
The central processing module transmits the original power grid data, the fault diagnosis result, the data acquisition time and the data acquisition place information to the monitoring display module to be displayed to the relevant operators.
S5: the control center issues an operation command, and the robot executes an operation task.
If the diagnosis result is a fault and the judgment result of the operator is also a fault, the operator issues an operation command through the central processing module, and the command distribution module issues the command to the corresponding robot through the intranet according to the data acquisition site information. The robot executes corresponding operation actions and feeds back operation results through the intranet.
And if the diagnosis result is a fault and the operator judges that the fault is normal, adding the data into the historical fault database, and optimizing the data in the historical fault database.
And if the diagnosis result is normal and the operator judges that the fault exists, adding the data into the historical fault database, and optimizing the data in the historical fault database.
And if the diagnosis result is normal and the operator judges that the diagnosis result is normal, recording the result and ending.
According to the scheme, the data collected by the power grid are encrypted firstly through a system framework with the integration of the internal network and the external network, the encrypted power grid data are transmitted to the control center through the external network, the decrypted secret key is transmitted to the control center through the internal network, and the encrypted power grid data are decrypted in the internal network environment.
The encrypted power grid data are transmitted through the external network, and huge information interaction amount can be met on the premise of ensuring data communication safety. And the secret key is transmitted through the intranet, so that the data volume transmitted by the intranet is reduced, and the safety of the encrypted data transmitted by the intranet can be further ensured. The encrypted data is transmitted through the external network, and the secret key is transmitted through the internal network, so that huge information quantity interaction can be met, and meanwhile, the safety of data transmission can be guaranteed.
It should be understood that the examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (10)
1. An internal and external network converged power grid data communication system, comprising:
the robot (1) is used for inspecting the transformer substation, collecting power grid data, receiving an operation command of a control center and executing an operation task on transformer substation equipment;
the encryption module (2) encrypts the power grid data collected by the robot into an image, transmits the encrypted power grid data to the cloud database through extranet communication, and transmits the secret key to the control center through intranet communication;
the cloud database (3) receives the encrypted power grid data and transmits the encrypted power grid data to the control center through extranet communication according to the request of the control center;
and the control center (4) is in an intranet environment, decrypts the correspondingly encrypted power grid data by using the secret key, acquires the original power grid data, diagnoses the power grid fault, and issues an operation command to the robot through the intranet.
2. The system according to claim 1, wherein the control center (4) comprises:
the secret key collecting module (5) is in communication connection with the encryption module through an intranet and is used for receiving and collecting secret keys of the encrypted power grid data and transmitting the secret keys to the central processing module;
the central processing module (6) is in communication connection with the cloud database through an external network, acquires the encrypted power grid data from the cloud database, decrypts the encrypted power grid data by using a secret key, and acquires the original power grid data; performing power grid fault diagnosis according to the original power grid data, and issuing an operation command;
the monitoring display module (7) is used for displaying the original power grid data and the fault diagnosis result;
and the command distribution module (8) distributes the operation commands to the corresponding robots through intranet communication.
3. The system according to claim 2, wherein the control center (4) further comprises a historical failure database (9), and the historical failure database is connected with the central processing module (6).
4. The internal and external network converged power grid data communication system according to claim 1, 2 or 3, wherein the robot (1) comprises an inspection part and an operation part; the inspection part comprises a high-definition camera, an infrared camera and a local discharge sensor which are arranged on the robot holder; the operation portion including set up the multi-functional clamping jaw on the cloud platform and set up the handcart output module in robot chassis top.
5. An internal and external network converged power grid data communication method which adopts the internal and external network converged power grid data communication system according to any one of claims 1 to 7, is characterized by comprising the following steps:
s1: the robot patrols and examines, gather the data of the electric wire netting;
s2: the encryption module encrypts the collected power grid data to form encrypted power grid data and a secret key; transmitting the encrypted power grid data to a cloud database through an external network, and transmitting a secret key to a control center through an internal network;
s3: the control center obtains corresponding encrypted power grid data from the cloud database through the external network according to the information in the secret key, decrypts the encrypted power grid data by using the secret key, and restores the encrypted power grid data to obtain original power grid data;
s4: and the control center carries out power grid fault diagnosis according to the original power grid data and judges whether the inspection object has a fault.
6. The method for power grid data communication with converged internal and external networks according to claim 5, wherein the step S2 comprises the following steps:
s21: the robot maps the collected power grid data into binary data to represent, and the binary power grid data are calculated through a Hash algorithm to obtain a binary power grid data identification number;
s22: the encryption module carries out decimal conversion on binary data by taking 8 bits as a group in sequence, and the binary data is complemented with 0 by less than 8 bits;
s23: sequentially representing RGB numerical values by the three converted decimal data respectively to form a plurality of encrypted color blocks;
s24: arranging the encrypted color blocks to form N × M color block images; wherein, N and M are respectively the row number and the column number of the color block image;
s25: the encrypted power grid data is a color block image; the encryption module transmits the encrypted power grid data to a cloud database through an external network;
s26: recording a color block forming sequence, a 0 complementing position and a power grid data identification number by using a secret key; the encryption module transmits the secret key to a secret key collecting module of the control center through an intranet.
7. The method according to claim 5 or 6, wherein interference patches are randomly inserted between encrypted patches formed by the encrypted grid data to form an N x M patch image, and the insertion positions of the interference patches are recorded by a key.
8. The method according to claim 7, wherein the secret key is an image of a shielding part and a hollow part at intervals; the position corresponding to the interference color block in the color block image is a shielding part in the secret key, and the position corresponding to the color block in the color block image is a hollow part in the secret key.
9. The internal and external network converged power grid data communication method according to claim 6 or 8, wherein the secret key is an image in a two-dimensional code form; three positioning points of the secret key two-dimensional code are respectively stored with data acquisition time, data acquisition places and power grid data identification number information;
mapping data acquisition time and data acquisition place information into binary data;
the power grid data identification number is converted into an R parameter of a positioning color block, the data acquisition time is converted into a G parameter of the positioning color block, the data acquisition place is converted into a B parameter, and the three positioning points of the secret key two-dimensional code are represented by the color of the positioning color block formed by the power grid data identification number, the data acquisition time and RGB data converted from the data acquisition place.
10. The method for power grid data communication with converged internal and external networks according to claim 6, wherein the step S3 comprises the following steps:
s31: the key collecting module in the control center transmits collected keys to the central processing module of the control center, and the central processing module determines power grid data corresponding to the keys according to power grid data identification numbers in the keys;
s32: the central processing module sends a power grid data acquisition request and a power grid data identification number to a cloud database through external network communication, and the cloud database verifies the power grid data identification number; if the verification is correct, transmitting the corresponding encrypted power grid data to the central processing module through the external network, otherwise, ending;
s33: the central processing module obtains the encrypted color block arrangement of the encrypted power grid data through the secret key; analyzing the RGB value of each encrypted color block color, and sequentially converting the RGB values into binary data of power grid data;
s34: and mapping the binary data of the power grid data into the original power grid data.
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