CN110943914B - Intelligent gateway of power distribution room and control method - Google Patents
Intelligent gateway of power distribution room and control method Download PDFInfo
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- CN110943914B CN110943914B CN201911190757.0A CN201911190757A CN110943914B CN 110943914 B CN110943914 B CN 110943914B CN 201911190757 A CN201911190757 A CN 201911190757A CN 110943914 B CN110943914 B CN 110943914B
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- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000002360 preparation method Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
Abstract
The application provides a power distribution room intelligent gateway and a control method, wherein the method comprises the following steps: and sending a port binding instruction by the acquisition chip through the control chip. And receiving the port binding instruction through the acquisition chip, and binding the current port with the first container in the control chip based on the port binding instruction. The method comprises the steps of obtaining original data through the acquisition chip, identifying sensitive data in the original data, encrypting the sensitive data according to a preset encryption algorithm to obtain encrypted data, and sending the encrypted data and unencrypted data in the original data to the first container. And receiving the unencrypted data in the encrypted data and the original data through the first container, decrypting the encrypted data according to a preset decryption algorithm to obtain first data, and performing data processing on the unencrypted data in the first data and the original data to obtain second data and outputting the second data.
Description
Technical Field
The application relates to the technical field of power equipment, in particular to a power distribution room intelligent gateway and a control method.
Background
In the power industry, with the continuous deepening of the concept of the internet of things, the gateway of the internet of things is widely applied. As a gateway device, the gateway of the internet of things not only needs to take on the responsibility of protocol conversion between different types of sensing networks, but also needs to have a certain management function of the underlying node device.
At present, the general gateways are core modules implemented by an industrial personal computer (industrial computer) or an embedded processor, have access capability of a part of hardware interfaces and protocol conversion capability of a part of hardware interfaces, are limited by the protocol conversion capability in an operating system, and have weak maintainability and data security capability. Aiming at the technical problem, the currently adopted mode is to establish an internet of things gateway with a dual-core cooperative processing architecture, but the dual cores in the internet of things gateway do not have a safety isolation function, and certain potential safety hazards are generated when data are transmitted.
Disclosure of Invention
Based on this, it is necessary to provide a power distribution room intelligent gateway and a control method for solving the problems that the dual cores in the existing internet of things gateway do not have a safety isolation function and have certain potential safety hazards during data transmission.
A control method of a power distribution room intelligent gateway is applied to the intelligent gateway, the intelligent gateway comprises a control chip and an acquisition chip which is in communication connection with the control chip, and the method comprises the following steps:
sending a port binding instruction through the acquisition chip of the control chip;
receiving the port binding instruction through the acquisition chip, and binding a current port with a first container in the control chip based on the port binding instruction;
acquiring original data through the acquisition chip, identifying sensitive data in the original data, encrypting the sensitive data according to a preset encryption algorithm to obtain encrypted data, and sending the encrypted data and unencrypted data in the original data to the first container;
and receiving the unencrypted data in the encrypted data and the original data through the first container, decrypting the encrypted data according to a preset decryption algorithm to obtain first data, and performing data processing on the unencrypted data in the first data and the original data to obtain second data and outputting the second data.
In one embodiment, before the step of sending the port binding instruction to the acquisition chip through the control chip, the method further includes:
sequentially loading each task container according to a preset container list through the control chip, and judging whether each task container is started successfully or not;
and if the starting is successful, the step of sending a port binding instruction to the acquisition chip through the control chip is executed.
In one embodiment, the first container refers to a task container successfully loaded by the control chip for the first time according to the preset container list.
In one embodiment, the steps of acquiring original data through the acquisition chip, identifying sensitive data in the original data, encrypting the sensitive data according to a preset encryption algorithm to obtain encrypted data, and sending the encrypted data and unencrypted data in the original data to the first container include:
acquiring the original data acquired by lower-end equipment electrically connected with the current port through the acquisition chip, and performing data conversion on the original data according to a preset transcoding protocol to obtain converted data;
identifying sensitive data in the converted data through the acquisition chip, and encrypting the sensitive data according to the preset encryption algorithm to obtain encrypted data;
sending unencrypted data of the encrypted data and the converted data to the first container.
In one embodiment, after the step of sending the unencrypted data of the encrypted data and the converted data to the first container, the method further comprises:
and storing the unencrypted data in the encrypted data and the converted data locally.
In one embodiment, the step of receiving, by the first container, the encrypted data and the unencrypted data in the original data, decrypting the encrypted data according to a preset decryption algorithm to obtain first data, and performing data processing on the first data and the unencrypted data in the original data to obtain second data and outputting the second data includes:
receiving the encrypted data and the unencrypted data in the original data through the first container, and decrypting the encrypted data according to a preset decryption algorithm to obtain the first data;
performing data processing on the first data and the unencrypted data in the original data according to a preset processing algorithm to obtain second data;
and outputting the second data according to a preset format.
In one embodiment, after the step of performing data processing on the first data and the unencrypted data in the original data according to a preset processing algorithm to obtain second data, the method further includes:
storing the second data locally.
An intelligent gateway, comprising:
a control chip;
the acquisition chip is electrically connected with the control chip, and the control chip and the acquisition chip are used for executing the control method of the intelligent gateway of the power distribution room according to any one of claims 1 to 7.
In one embodiment, the acquisition chip is further configured to determine whether the acquisition chip is powered down;
if the power is off, the acquisition chip stops running;
and if the power is not off, the acquisition chip waits for the data acquisition task of the next period.
In one embodiment, the control chip is an SOC chip.
Compared with the prior art, the intelligent gateway of the power distribution room and the control method send a port binding instruction to the acquisition chip through the control chip, so that the acquisition chip binds the current port with the first container in the control chip based on the port binding instruction; then, acquiring original data through the acquisition chip, identifying sensitive data in the original data, encrypting the sensitive data, and sending the encrypted data and unencrypted data in the original data to the first container; and decrypting the encrypted data through the first container according to a preset decryption algorithm to obtain first data, and performing data processing on the first data and unencrypted data in the original data to obtain second data and outputting the second data.
By adopting the method, the unsafe factors connected with the external wide area network are blocked and controlled on the control chip part, the unsafe factors for data acquisition are blocked and controlled on the acquisition chip, and hardware encryption protection is performed, so that the acquisition chip and the control chip are isolated from each other, and the safety of the power distribution room internet of things gateway is improved.
Drawings
Fig. 1 is a flowchart of a control method of an intelligent gateway of a power distribution room according to an embodiment of the present application;
fig. 2 is a block diagram of an intelligent gateway according to an embodiment of the present application.
10 Intelligent gateway
100 control chip
200 acquisition chip
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and it is therefore not intended to be limited to the embodiments disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and fig. 2, an embodiment of the present application provides a control method for an intelligent gateway of a power distribution room, which is applied to an intelligent gateway 10. In one embodiment, the intelligent gateway 10 may be applied to a power distribution room. The intelligent gateway 10 comprises a control chip 100 and an acquisition chip 200 in communication connection with the control chip 100. The method comprises the following steps:
s102: and sending a port binding instruction to the acquisition chip 200 through the control chip 100.
In one embodiment, the control chip 100 may be a soc (system on chip) chip. In one embodiment, the control chip 100 has the advantage of higher computation and storage capability compared to the acquisition chip 200. In an embodiment, before the control chip 100 sends the port binding instruction to the collection chip 200, the control chip 100 may complete initialization preparation according to a configuration file. After the initialization preparation work is completed, the control chip 100 may load each task container in the control chip 100 according to the configuration file. After the first task container is loaded successfully, a port binding instruction may be sent to the acquisition chip 200 through the control chip 100.
S104: receiving, by the acquisition chip 200, the port binding instruction, and binding a current port with a first container in the control chip 100 based on the port binding instruction.
In one embodiment, the acquisition chip 200 may be an STM32F407 chip. In an embodiment, after the collection chip 200 receives the port binding instruction again, the current port of the collection chip 200 may be bound to the first container in the control chip 100 based on the port binding instruction. Meanwhile, the acquisition chip 200 determines whether the current port is successfully bound to the first container. If the current port and the first container are not bound successfully, the acquisition chip 200 reloads the binding program until the binding is successful. If the current port is successfully bound with the first container, the acquisition chip 200 feeds back a binding success instruction to the control chip 100.
S106: the method comprises the steps of obtaining original data through the acquisition chip 200, identifying sensitive data in the original data, encrypting the sensitive data according to a preset encryption algorithm to obtain encrypted data, and sending the encrypted data and unencrypted data in the original data to the first container.
In one embodiment, the raw data may be acquired by the acquisition chip 200. Specifically, the raw data collected by the lower device electrically connected to the current port of the collection chip 200 may be acquired by the collection chip 200. In one embodiment, the lower end device may be a sensor device, or may be other devices for collecting information. And the lower device is electrically connected with the current port of the acquisition chip 200. That is, after the acquisition chip 200 successfully binds the current port with the first container, the original data acquired by the lower device may be acquired.
In an embodiment, after the acquisition chip 200 acquires the original data, the original data may be transcoded according to a preset transcoding protocol, and the transcoded original data is obtained. And then, identifying the sensitive data in the transcoded original data according to a preset identification algorithm, and encrypting the sensitive data to obtain encrypted data. Specifically, the sensitive data may be encrypted by a hardware encryption chip. And encrypting the sensitive data through a preset encryption algorithm. And then sending the encrypted data and the unencrypted data in the transcoded original data to the first container for further data processing. In one embodiment, the predetermined transcoding protocol, the predetermined identification algorithm, the predetermined encryption algorithm, or the hardware encryption chip may all use conventional protocols or algorithms.
S108: and receiving the unencrypted data in the encrypted data and the original data through the first container, decrypting the encrypted data according to a preset decryption algorithm to obtain first data, and performing data processing on the unencrypted data in the first data and the original data to obtain second data and outputting the second data.
In an embodiment, after receiving the unencrypted data of the encrypted data and the original data, the first container may decrypt the encrypted data according to a preset decryption algorithm to obtain the first data. In one embodiment, the predetermined decryption algorithm is matched to the predetermined encryption algorithm. After the first container obtains the first data, the first container may perform data processing on the first data and data that is not encrypted in the original data to obtain second data and output the second data.
Specifically, the first container may perform data processing on the first data and unencrypted data in the original data according to a preset processing algorithm, and obtain second data. And simultaneously outputting the second data through a private network or a wireless network according to a preset format.
In this embodiment, by using the above method, the blocking of the unsafe factors connected to the external wide area network is controlled in the control chip 100, the blocking of the unsafe factors for data acquisition is controlled in the acquisition chip 200, and hardware encryption protection is performed, so that the acquisition chip 200 and the control chip 100 can be safely isolated from each other, and the security of the distribution room internet of things gateway is improved.
In one embodiment, before the step of sending the port binding instruction to the collection chip 200 through the control chip 100, the method further includes: sequentially loading each task container according to a preset container list through the control chip 100, and judging whether each task container is started successfully; if the starting is successful, the step of sending a port binding instruction to the acquisition chip 200 through the control chip 100 is executed.
In one embodiment, the preset container list is obtained by sequentially sorting the task containers according to priority and forming a container list (that is, the preset container list). In an embodiment, the control chip 100 sequentially loads each task container according to the preset container list, and determines whether each task container is successfully started. If one of the task containers is loaded successfully, step S102 is executed. If all the task containers in each task container are not loaded successfully, the control chip 100 reloads each task container until the first task container is loaded successfully. In one embodiment, the first container refers to a task container successfully loaded by the control chip 100 according to the preset container list for the first time.
In one embodiment, step S106 includes: acquiring the original data acquired by the lower-end equipment electrically connected with the current port through the acquisition chip 200, and performing data conversion on the original data according to a preset transcoding protocol to obtain converted data; identifying sensitive data in the converted data through the acquisition chip 200, and encrypting the sensitive data according to the preset encryption algorithm to obtain encrypted data; sending unencrypted data of the encrypted data and the converted data to the first container.
In one embodiment, the lower end device may be a sensor device, or may be other devices for collecting information. And the lower device is electrically connected with the current port of the acquisition chip 200. That is, after the acquisition chip 200 successfully binds the current port with the first container, the original data acquired by the lower device may be acquired.
In one embodiment, after the acquisition chip 200 obtains the sensitive data, the sensitive data may be encrypted by a hardware encryption chip. In one embodiment, the hardware encryption chip may employ a conventional hardware encryption chip. By encrypting the sensitive data, the security of data transmission can be improved.
In one embodiment, after the step of sending unencrypted data of the encrypted data and the converted data to the first container, the method further comprises: and storing the unencrypted data in the encrypted data and the converted data locally. In one embodiment, the storing the unencrypted data of the encrypted data and the converted data locally means: and temporarily storing the encrypted data and the data which is not encrypted in the conversion data in the acquisition chip 200 or storing the encrypted data and the data which are not encrypted in a memory electrically connected with the acquisition chip 200.
In one embodiment, step S108 includes: receiving the encrypted data and the unencrypted data in the original data through the first container, and decrypting the encrypted data according to a preset decryption algorithm to obtain the first data; performing data processing on the first data and the unencrypted data in the original data according to a preset processing algorithm to obtain second data; and outputting the second data according to a preset format. In one embodiment, the predetermined decryption algorithm may use a conventional decryption algorithm. In one embodiment, the first container performs associated data deep processing on the first data and unencrypted data in the original data according to a preset processing algorithm, so that the second data can be obtained.
In an embodiment, after the step of performing data processing on the first data and the unencrypted data in the original data according to a preset processing algorithm to obtain second data, the method further includes: storing the second data locally. In one embodiment, storing the second data locally refers to: the second data may be stored in the first container or in the control chip 100, or may be stored in a memory electrically connected to the control chip 100.
Referring to fig. 2, an embodiment of the present application provides an intelligent gateway 10, including: control chip 100, gather chip 200. The acquisition chip 200 is electrically connected with the control chip (100). The control chip 100 and the acquisition chip 200 are used for executing the control method of the intelligent gateway of the power distribution room according to any one of claims 1 to 7. In one embodiment, the specific structure of the control chip 100 and the acquisition chip 200 may adopt the chips described in the above embodiments.
In one embodiment, the acquisition chip 200 is further configured to determine whether the acquisition chip 200 is powered down; if the power is off, the acquisition chip 200 stops running; if the power is not off, the acquisition chip 200 waits for the data acquisition task of the next period. In one embodiment, the acquisition chip 200 may determine whether the acquisition chip 200 is powered down through a watchdog program. If the acquisition chip 200 is powered off, the acquisition chip 200 stops operating after storing an important configuration file (the acquisition chip 200 has a circuit guarantee of delay cache when powered off). If the acquisition chip 200 is not powered down, the acquisition chip 200 waits for a data acquisition task of the next period. That is, the capture chip 200 repeatedly performs steps S104 to S106. In one embodiment, the next cycle refers to: and the other ports of the acquisition chip 200 exchange data with the task container periodically.
In one embodiment, the control chip 100 may also determine whether the control chip 100 is powered down through a watchdog program. If the control chip 100 is powered off, the control chip 100 stops running after storing an important configuration file (the control chip 100 is powered off and has a circuit guarantee of delay cache). If the control chip 100 is not powered down, the control chip 100 waits for the next synchronous data processing flow. That is, the control chip 100 repeatedly performs step S102 and step S108.
To sum up, this application is through adopting above-mentioned method, and the unsafe factor separation that will connect outside wide area network is controlled and is in control chip 100 part is in the unsafe factor separation control of data acquisition gathers chip 200 to add hardware encryption protection, thereby can realize gather chip 200 with mutual safety isolation between control chip 100 improves the security of joining in marriage electrical room thing and alliing oneself with the gateway.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A control method of a power distribution room intelligent gateway is applied to an intelligent gateway (10), the intelligent gateway (10) comprises a control chip (100) and an acquisition chip (200) in communication connection with the control chip (100), and the method comprises the following steps:
sequentially loading each task container according to a preset container list through the control chip (100), and judging whether each task container is started successfully; if the starting is successful, a port binding instruction is sent to the acquisition chip (200) through the control chip (100);
receiving, by the acquisition chip (200), the port binding instruction, and binding a current port with a first container within the control chip (100) based on the port binding instruction;
acquiring original data through the acquisition chip (200), identifying sensitive data in the original data, encrypting the sensitive data according to a preset encryption algorithm to obtain encrypted data, and sending the encrypted data and unencrypted data in the original data to the first container;
and receiving the unencrypted data in the encrypted data and the original data through the first container, decrypting the encrypted data according to a preset decryption algorithm to obtain first data, and performing data processing on the unencrypted data in the first data and the original data to obtain second data and outputting the second data.
2. The control method of the intelligent gateway of the power distribution room as claimed in claim 1, wherein the first container is a task container which is successfully loaded by the control chip (100) according to the preset container list for the first time.
3. The control method of the intelligent gateway of the power distribution room according to claim 1, wherein the step of obtaining raw data through the acquisition chip (200), identifying sensitive data in the raw data, encrypting the sensitive data according to a preset encryption algorithm to obtain encrypted data, and sending the encrypted data and unencrypted data in the raw data to the first container comprises the steps of:
acquiring the original data acquired by lower-end equipment electrically connected with the current port through the acquisition chip (200), and performing data conversion on the original data according to a preset transcoding protocol to obtain converted data;
identifying sensitive data in the converted data through the acquisition chip (200), and encrypting the sensitive data according to the preset encryption algorithm to obtain encrypted data;
sending unencrypted data of the encrypted data and the converted data to the first container.
4. The method of controlling a power distribution room intelligent gateway of claim 3, wherein after the step of sending unencrypted data of the encrypted data and the converted data to the first container, the method further comprises:
and storing the unencrypted data in the encrypted data and the converted data locally.
5. The method for controlling the intelligent gateway of the power distribution room according to claim 1, wherein the step of receiving the encrypted data and the unencrypted data in the original data through the first container, decrypting the encrypted data according to a preset decryption algorithm to obtain first data, and performing data processing on the first data and the unencrypted data in the original data to obtain second data and outputting the second data comprises the steps of:
receiving the encrypted data and the unencrypted data in the original data through the first container, and decrypting the encrypted data according to a preset decryption algorithm to obtain the first data;
performing data processing on the first data and the unencrypted data in the original data according to a preset processing algorithm to obtain second data;
and outputting the second data according to a preset format.
6. The method for controlling the intelligent gateway of the power distribution room according to claim 5, wherein after the step of performing data processing on the first data and the unencrypted data in the original data according to a preset processing algorithm to obtain the second data, the method further comprises:
storing the second data locally.
7. An intelligent gateway, comprising:
a control chip (100);
an acquisition chip (200) electrically connected to the control chip (100), the control chip (100) and the acquisition chip (200) being configured to perform the control method of the intelligent gateway of the power distribution room according to any one of claims 1 to 6.
8. The intelligent gateway of claim 7, wherein the acquisition chip (200) is further configured to determine whether the acquisition chip (200) is powered down;
if the power is down, the acquisition chip (200) stops running;
and if the power is not lost, the acquisition chip (200) waits for the data acquisition task of the next period.
9. The intelligent gateway according to claim 7, wherein the control chip (100) is a SOC chip.
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