CN115440018B - Wireless remote control system and remote control method - Google Patents
Wireless remote control system and remote control method Download PDFInfo
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- CN115440018B CN115440018B CN202110623653.5A CN202110623653A CN115440018B CN 115440018 B CN115440018 B CN 115440018B CN 202110623653 A CN202110623653 A CN 202110623653A CN 115440018 B CN115440018 B CN 115440018B
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
- H04W12/037—Protecting confidentiality, e.g. by encryption of the control plane, e.g. signalling traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/10—Integrity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a wireless remote control system which comprises a wireless control module, control equipment and controlled equipment, wherein the wireless control module and the control equipment at least adopt two paths of wireless channels of a first wireless channel and a second wireless channel to carry out communication data transmission, wherein any wireless channel is successfully connected, so that the transmission of wireless communication data can be successfully completed.
Description
Technical Field
The invention relates to the field of power transmission and distribution, in particular to a wireless remote control system and a remote control method based on a wireless communication technology.
Background
In order to accelerate the intelligent construction of the electricity consumption of the electric power customer, the improvement of the system functions of the real-time monitoring, remote management, electric quantity analysis, demand management and the like of the pre-paid electricity fee of the customer is realized, the work goal of the moon-clear moon-knot of the risk of the electricity fee is technically realized, the interference of internal and external artificial factors is controlled in a means, the traditional payment mode of the customer is changed from concept, the electricity supply order is regulated in a management way, the hidden danger of the electric power customer equipment is managed in a safety way, the intelligent network construction of marketing is comprehensively promoted, and the construction goal of the full coverage, full collection and full fee control of the electricity consumption information of the electric power customer is proposed by a national power grid company.
To achieve the above objective, switchgear manufacturers have proposed a low voltage fee-controlled switching scheme (see patent CN 202011119219.5), which meets the needs of the national grid company to some extent. For a large-capacity special power user, a high-voltage power supply and metering device, a low-voltage fee control execution device, a fee control method based on the device and an operation rule are provided, and under the condition that the requirements of national power grid company safety and economy are met, the operation of a high-voltage line is avoided, the safety, economy and timeliness of the fee control operation are improved, the fee control operation is more convenient, and the satisfaction degree of the power user is improved. However, when a specific solution is designed, unreliable fee control operation is often encountered, and the communication link is interfered and the fee control operation cannot be timely and reliably executed; the cost control equipment cannot effectively monitor, and when the cost control equipment has abnormal conditions or even fails, the problems of overhauling and the like cannot be found out in time.
Therefore, the existing high-power low-control and wireless fee control technology needs to be perfected and optimized, the anti-interference capability of the wireless fee control system is improved, and timely and reliable fee control operation is realized through upgrade technical measures; during normal payment of the power special change user, the state of the wireless charge control system can be effectively monitored, and the hidden trouble that the wireless charge control system module fails and can not be found in time and the charge control operation fails is avoided. In addition, the technical means for improving the anti-interference capability of wireless communication, monitoring the wireless fee control module and the like are realized based on the communication link in the system, and cannot depend on equipment and a network outside the system so as to avoid potential information safety hazards.
Disclosure of Invention
In order to solve at least one of the above problems, the present invention proposes a remote control system and a remote control method, which specifically comprises the following steps:
a wireless remote control system comprises a wireless control module, control equipment and controlled equipment, wherein the wireless control module and the control equipment at least adopt two paths of wireless channels of a first wireless channel and a second wireless channel to carry out communication data transmission, and any one wireless channel is successfully connected, so that the transmission of wireless communication data can be successfully completed.
Preferably, the wireless control module at least comprises a first wireless communication module, a first processor and a first communication interface, wherein the first wireless communication module is connected with the first processor, and the first wireless communication module receives a remote control instruction of the control device, transmits the remote control instruction to the first processor for processing, and transmits a processing result of the first processor to the control device; the first processor is also connected with the first communication interface, transmits a control instruction to the controlled device through the first communication interface and receives a processing result returned by the controlled device.
Preferably, the control device at least comprises a second wireless communication module and a second processor, wherein the second wireless communication module is connected with the second processor, sends a remote control instruction of the second processor to the wireless control module, and transmits a received processing result of the wireless control module to the second processor.
Preferably, the controlled device includes at least a second communication interface; the second communication interface is connected with the first communication interface of the wireless control module, and is used for transmitting control instructions and processing results, and the wireless control module is connected with the controlled equipment in a wired communication mode.
Preferably, the first wireless communication module in the wireless control module and the second wireless communication module in the control device are each provided with at least 2 sets of configuration items.
Preferably, the first wireless communication module at least comprises a first configuration item and a second configuration item, and the second wireless communication module at least comprises a third configuration item and a fourth configuration item; wherein the first configuration item is the same as the third configuration item, and the first wireless channel is established; the second configuration item is the same as the fourth configuration item, and the second wireless channel is established.
Preferably, the first processor includes a first encryption module, the second processor includes a second encryption module, and the first processor and the second processor convert communication data transmitted by the first wireless communication module and the second wireless communication module into encrypted remote control instructions through the first encryption module and the second encryption module, respectively, and then send the encrypted remote control instructions.
The invention also provides a wireless remote control method, which is used for carrying out remote control according to the wireless remote control system, wherein the wireless remote control method comprises a remote control flow and a self-checking flow, and any one of the first wireless channel and the second wireless channel in the remote control flow can complete communication instruction transmission and can execute remote control operation; in the self-checking flow, the first wireless channel and the second wireless channel execute self-checking communication test in turn.
Preferably, the remote control procedure includes the steps of:
s101: when remote control operation is needed, the second processor generates a remote control instruction, the remote control instruction is encrypted by the second encryption module to generate an encrypted remote control instruction, and the encrypted remote control instruction is sent by the second wireless communication module in a third configuration item;
s102: the first wireless communication module receives the encrypted remote control instruction in a first configuration item and transmits the encrypted remote control instruction to the first processor, the encrypted remote control instruction is decrypted by the first encryption module, and if the decryption is successful and the decryption passes the verification, the first processor transmits the remote control instruction to the controlled equipment through a first communication interface; if the decryption fails or the verification fails, discarding the remote control instruction;
s103: the second processor sends the encrypted remote control instruction to the second wireless communication module in a fourth configuration item again;
s104: the first wireless communication module receives the encrypted remote control instruction by a second configuration item and transmits the encrypted remote control instruction to the first processor, the encrypted remote control instruction is decrypted by the first encryption module, if the decryption is successful and the decryption passes the verification, whether the processing in the step S102 is performed is judged, and if the processing in the step S102 is performed, the remote control instruction is abandoned; if the remote control instruction is not processed in S102, the remote control instruction is transmitted to the controlled equipment through the first communication interface;
s105: the controlled device receives the remote control instruction through a second communication interface and executes the remote control instruction, and after the execution is completed, the controlled device transmits an execution result to the first processor through the communication interface;
s106: the execution result is encrypted by the first encryption module to obtain an encryption execution result, and the encryption execution result is sent by the first wireless communication module in a first configuration item;
s107: the second wireless communication module receives the encryption execution result in a second configuration item and transmits the encryption execution result to the second processor, the encryption execution result is decrypted by the second encryption module, and if the decryption is successful and the decryption passes the verification, the second processor considers that the remote control instruction in the step S101 is successfully executed, and the remote control operation is successful; if the decryption fails or the verification fails, discarding the execution result;
s108: the first processor sends the encryption execution result in step S106 in a second configuration item again by the first wireless communication module;
s109: the second wireless communication module receives the encryption execution result according to a fourth configuration item and transmits the encryption execution result to the second processor, the encryption execution result is decrypted by the second encryption module, if the decryption is successful and the decryption passes the verification, whether the encryption is processed in S107 is judged, and if the encryption is processed in S107, the encryption execution result is abandoned; if the execution result is not processed in S107, the remote control instruction in S101 is considered to be successfully executed, and the remote control operation is successful; otherwise, the remote control operation is considered to fail.
Preferably, the self-checking procedure comprises the following steps:
s201: after a set time interval, the second processor (202) generates a first self-checking instruction, the first self-checking instruction is encrypted by the second encryption module (202-1) to obtain an encrypted self-checking instruction, and the encrypted self-checking instruction is sent by the second wireless communication module (201) in a third configuration item (201-1);
s202: the first wireless communication module (101) receives the encrypted self-checking instruction in a first configuration item (101-1) and transmits the encrypted self-checking instruction to the first processor (102), the encrypted self-checking instruction is decrypted by the first encryption module (102-1), and if the decryption is successful and the verification is passed, the first processor (102) at least writes the power state into a self-checking result;
s203: the self-checking result is encrypted by the first encryption module (102-1) to obtain an encrypted self-checking result, and the encrypted self-checking result is sent by the first wireless communication module (101) in a first configuration item (101-1);
s204: the second wireless communication module (201) receives the encrypted self-checking result according to a third configuration item (201-1) and transmits the encrypted self-checking result to the second processor (202), the encrypted self-checking result is decrypted by the second encryption module (202-1), and if the decryption is successful and passes the verification, and meanwhile, the power state and other state quantities are normal, the second processor (202) considers that the self-checking instruction in S201 is successfully executed, and the self-checking result is recorded to be normal; if the self-checking result shows that the power supply is abnormal or other state quantity exceeds the normal range, recording the self-checking result abnormality, and simultaneously sending out an alarm to prompt operation and maintenance personnel to handle the abnormal condition; if the decryption fails or the verification fails, recording that the self-checking of the first wireless channel (11) fails;
s205: after a set time interval, the second processor (202) generates a second self-checking instruction, the second self-checking instruction is encrypted by the second encryption module (202-1) to obtain an encrypted self-checking instruction, and the encrypted self-checking instruction is sent by the second wireless communication module (201) in a fourth configuration item (201-2);
s206: the first wireless communication module (101) receives the encrypted self-checking instruction in a second configuration item (101-2) and transmits the encrypted self-checking instruction to the first processor (102), the encrypted self-checking instruction is decrypted by the first encryption module (102-1), and if the decryption is successful and the verification is passed, the first processor (102) at least writes the power state into a self-checking result;
s207: the self-checking result is encrypted by the first encryption module (102-1) to obtain an encrypted self-checking result, and the encrypted self-checking result is sent by the wireless communication module (101) in a second configuration item (101-2);
s208: the second wireless communication module (201) receives the encrypted self-checking result through a fourth configuration item (201-2) and transmits the encrypted self-checking result to the second processor (202), the encrypted self-checking result is decrypted through the second encryption module (202-1), and if the decryption is successful and passes the verification, and meanwhile, the power state and other state quantities are normal, the second processor (202) considers that the self-checking instruction in S205 is successfully executed, and the self-checking result is recorded to be normal; if the self-checking result shows that the power supply is abnormal or other state quantity exceeds the normal range, recording the self-checking result abnormality, and simultaneously sending out an alarm to prompt operation and maintenance personnel to handle the abnormal condition; if the decryption fails or the verification fails, recording a self-checking failure of the second wireless channel (12);
s209: if the first wireless channel (11) and the second wireless channel (12) fail to perform self-check at the same time, an alarm is given to prompt operation and maintenance personnel to deal with abnormal conditions.
The beneficial effects of the invention are as follows:
1. the method improves and optimizes the existing high-power low-control and wireless fee control technology, improves the anti-interference capability of a wireless fee control system, and realizes timely and reliable fee control operation by setting a double-channel link and automatically switching wireless channels;
2. the invention can be applied to a wireless charge control system, effectively monitors the state of the wireless charge control system during the normal payment period of a power special change user, avoids the defect that the failure of a wireless charge control system module cannot be found in time, and avoids the hidden trouble of charge control operation failure;
3. the optimization measures are realized based on the communication link in the wireless charge control system, and do not depend on equipment and network outside the system, so that potential information safety hazards are avoided.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a wireless remote control system according to the present invention.
Fig. 2 is a flow chart of remote control provided by the present invention.
Fig. 3 is a self-checking flowchart provided by the present invention.
Detailed Description
Features and exemplary embodiments of various aspects of the invention are described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by showing examples of the invention. The invention is in no way limited to any particular configuration and algorithm set forth below, but covers any modification, substitution, and improvement of elements, components without departing from the spirit of the invention.
As shown in fig. 1, the present invention discloses a wireless remote control system, which includes a wireless control module 100, a control device 200 and a controlled device 300, wherein two wireless channels, namely a first wireless channel 11 and a second wireless channel 12, are adopted between the wireless control module 100 and the control device 200 for communication data transmission, and 2 wireless channels only have parameter setting differences and can transmit the same data, so that any one of the wireless channels is successfully connected, and the transmission of the wireless communication data can be successfully completed.
In other embodiments, the number of wireless channels may be three or more, which is set according to actual requirements, and will not be described herein.
The wireless control module 100 further has at least 2 power supplies for supplying power to the 2 power supply modules, and each power supply module can output voltage and power sufficient to maintain the normal operation of the wireless control module 100, so that the wireless control module 100 can normally operate when any power supply is normal.
Further, the wireless control module 100 at least includes a first wireless communication module 101, a first processor 102, a system power module 103, a first power module 104, a second power module 105 and a first communication interface 106, where the first wireless communication module 101 is connected with the first processor 102, and the first wireless communication module 101 receives a remote control instruction of the control device 200, transmits the remote control instruction to the first processor 102 for processing, and transmits a processing result of the first processor 102 to the control device 200; the first processor 102 is further connected to the first communication interface 106, and transmits a control instruction to the controlled device 300 through the first communication interface 106 and receives a processing result returned by the controlled device 300; the control device 200 at least comprises a second wireless communication module 201 and a second processor 202, the second wireless communication module 201 is connected with the second processor 202, a remote control instruction of the second processor 202 is sent to the wireless controller 100, a received processing result of the wireless controller 100 is transmitted to the second processor 202, and the wireless control module 100 and the control device 200 are connected in a wireless communication mode; the controlled device 300 at least comprises a second communication interface 306, the second communication interface 306 is connected with the first communication interface 106 of the wireless control module 100, the control instruction and the processing result are transmitted, and the wireless control module 100 and the controlled device 300 are connected in a wired communication mode.
At least 1 of the first power module 104 and the second power module 105 supports mains input; the system power module 103 automatically selects the first power module 104 or the second power module 105 to supply power and converts the power into a system working power to be provided for the first wireless communication module 101 and the first processor 102, and meanwhile, the system power module 103 transmits monitoring signals of working states of the first power module 104 and the second power module 105 to the first processor 102.
The system power module 103 in the wireless control module 100 is internally provided with a power selection and monitoring circuit, and outputs of the first power module 104 or the second power module 105 are automatically selected to work, and meanwhile, working states of the first power module 104 and the second power module 105 are transmitted to the first processor 102, so that the first processor 102 monitors the power supply state of the wireless control module 100.
When the first processor 102 of the wireless control module 100 detects that any one of the first power module 104 and the second power module 105 is in an abnormal working state, the first wireless communication module 101 sends monitoring information to the control device 200, so that the control device 200 sends an alarm signal to prompt an operation and maintenance personnel to deal with the abnormal situation.
The first wireless communication module 101 in the wireless control module 100 and the second wireless communication module 201 in the control device 200 in this embodiment are each provided with at least 2 sets of configuration items; the first wireless communication module 101 comprises at least a first configuration item 101-1 and a second configuration item 101-2, and the second wireless communication module 201 comprises at least a third configuration item 201-1 and a fourth configuration item 201-2; wherein, the first configuration item 101-1 and the third configuration item 201-1 have the same setting parameters, and all use the same physical channel, baud rate, check code and stop bit to establish the first wireless channel 11; the second configuration item 101-2 sets parameters identical to the fourth configuration item 201-2, and establishes the second wireless channel 12 using the same physical channel, baud rate, check code, and stop bit.
Meanwhile, the first processor 102 of the wireless control module 100 includes a first encryption module 102-1, the second processor 200 of the control device 200 includes a second encryption module 202-1, and the first processor 102 and the second processor 202 convert communication data required to be transmitted by the first wireless communication module 101 and the second wireless communication module 201 into encrypted remote control instructions through the first encryption module 102-1 and the second encryption module 202-1, respectively, and then communicate.
Fig. 2 is a remote control flow chart of the present invention, as shown in fig. 2, in the wireless remote control flow of the present embodiment, two wireless channels, namely a first wireless channel 11 and a second wireless channel 12, in the wireless remote control system are used to respectively perform transmission of remote control instructions and feedback of execution results, and the method includes the following steps:
s101: when remote control operation is required, the second processor 202 of the control device 200 generates a remote control instruction, encrypts the remote control instruction through the second encryption module 202-1 to obtain an encrypted remote control instruction, and sends the encrypted remote control instruction to the second wireless communication module 201 to send the encrypted remote control instruction according to the setting parameters of the third configuration item 201-1;
s102: after receiving the encrypted remote control instruction by the first wireless communication module 101 of the wireless control module 100 according to the setting parameters of the first configuration item 101-1, transmitting the encrypted remote control instruction to the first processor 102, decrypting the encrypted remote control instruction by the first processor 102 through the first encryption module 102-1, and if the remote control instruction is successfully decrypted and passes the verification, transmitting the control instruction to the controlled device 300 by the first processor 102 through the first communication interface 106; if the decryption fails or the verification fails, discarding the remote control instruction;
s103: the second processor 202 of the control device 200 re-transmits the encrypted remote control instruction in S101 to the second wireless communication module 201 to transmit the encrypted remote control instruction with the setting parameters of the fourth configuration item 201-2;
s104: after the first wireless communication module 101 of the wireless control module 100 receives the encrypted remote control instruction by the setting parameters of the second configuration item 101-2, the encrypted remote control instruction is transmitted to the first processor 102, the first processor 102 decrypts the remote control instruction through the first encryption module 102-1, if the decryption is successful and the decryption passes the verification, whether the processing in the S102 is performed is judged, and if the processing in the S102 is performed, the remote control instruction is abandoned; if the remote control command is not processed in S102, transmitting the remote control command to the controlled device 300 through the first communication interface 106;
s105: the controlled device 300 receives and executes the control instruction through the second communication interface 306, and after the execution is completed, transmits an execution result to the first processor 102 of the wireless control module 100 through the second communication interface 306 and the first communication interface 106;
s106: the first processor 102 of the wireless control module 100 encrypts the execution result through the first encryption module 102-1 to obtain an encryption execution result, and then sends the encryption execution result to the first wireless communication module 101 to send the encryption execution result with the setting parameters of the first configuration item 101-1;
s107: after receiving the encryption execution result with the setting parameters of the third configuration item 201-1, the second wireless communication module 201 of the control device 200 transmits the encryption execution result to the second processor 202, the second processor 202 decrypts the encryption execution result through the second encryption module 202-1, and if the data decryption is successful and the data passes the verification, the second processor 202 considers that the remote control instruction in S101 is successfully executed, and the remote control operation is successful; if the decryption fails or the verification fails, discarding the execution result;
s108: the first processor 102 of the wireless control module 100 re-transmits the encryption execution result in S106 to the first wireless communication module 101 to transmit the encryption execution result with the setting parameters of the second configuration item 101-2;
s109: after receiving the encryption execution result with the setting parameters of the fourth configuration item 201-2, the second wireless communication module 201 of the control device (200) transmits the encryption execution result to the second processor 202, the second processor 202 decrypts the encryption execution result through the second encryption module 202-1, if the decryption is successful and passes the verification, then judges whether the processing is performed in S107, if the processing is performed in S107, the execution result is abandoned; if the execution result is not processed in S107, the remote control instruction in S101 is considered to be successfully executed, and the remote control operation is successful; otherwise, the remote control operation is considered to fail.
The invention improves the anti-interference capability of the wireless charge control system by adopting at least two wireless channels for data transmission, and realizes timely and reliable charge control operation by setting a double-channel link and automatically switching the wireless channels.
The self-checking flow of the invention comprises the following steps:
s201: after a set time interval, the second processor 202 generates a first self-checking instruction, encrypts the first self-checking instruction by the second encryption module 202-1 to obtain an encrypted self-checking instruction, and sends the encrypted self-checking instruction by the second wireless communication module 201 in a third configuration item 201-1;
s202: the first wireless communication module 101 receives the encrypted self-checking instruction in a first configuration item 101-1 and transmits the encrypted self-checking instruction to the first processor 102, the encrypted self-checking instruction is decrypted by the first encryption module 102-1, and if the decryption is successful and the verification is passed, the first processor 102 writes at least the power state into a self-checking result;
s203: the self-checking result is encrypted by the first encryption module 102-1 to obtain an encrypted self-checking result, and the encrypted self-checking result is sent by the first wireless communication module 101 in a first configuration item 101-1;
s204: the second wireless communication module 201 receives the encrypted self-checking result according to the third configuration item 201-1 and transmits the encrypted self-checking result to the second processor 202, the encrypted self-checking result is decrypted by the second encryption module 202-1, if the decryption is successful and the decryption passes the verification, and meanwhile, the power state and other state quantities are normal, the second processor 202 considers that the self-checking instruction in S201 is successfully executed, and records that the self-checking result is normal; if the self-checking result shows that the power supply is abnormal or other state quantity exceeds the normal range, recording the self-checking result abnormality, and simultaneously sending out an alarm to prompt operation and maintenance personnel to handle the abnormal condition; if the decryption fails or the verification fails, recording that the self-checking of the first wireless channel 11 fails;
s205: after a set time interval, the second processor 202 generates a second self-checking instruction, and the second self-checking instruction is encrypted by the second encryption module 202-1 to obtain an encrypted self-checking instruction, and the encrypted self-checking instruction is sent by the second wireless communication module 201 in a fourth configuration item 201-2;
s206: the first wireless communication module 101 receives the encrypted self-checking instruction in a second configuration item 101-2 and transmits the encrypted self-checking instruction to the first processor 102, the encrypted self-checking instruction is decrypted by the first encryption module 102-1, and if the decryption is successful and the verification is passed, the first processor 102 writes at least the power state into a self-checking result;
s207: the self-checking result is encrypted by the first encryption module 102-1 to obtain an encrypted self-checking result, and the encrypted self-checking result is sent by the wireless communication module 101 in a second configuration item 101-2;
s208: the second wireless communication module 201 receives the encrypted self-checking result in the fourth configuration item 201-2 and transmits the encrypted self-checking result to the second processor 202, the encrypted self-checking result is decrypted by the second encryption module 202-1, if the decryption is successful and the decryption passes the verification, and meanwhile, the power state and other state quantities are normal, the second processor 202 considers that the self-checking instruction in S205 is successfully executed, and the self-checking result is recorded to be normal; if the self-checking result shows that the power supply is abnormal or other state quantity exceeds the normal range, recording the self-checking result abnormality, and simultaneously sending out an alarm to prompt operation and maintenance personnel to handle the abnormal condition; if the decryption fails or the verification fails, recording that the second wireless channel 12 fails the self-test;
s209: if the first wireless channel 11 and the second wireless channel 12 fail self-checking at the same time, an alarm is given to prompt the operation and maintenance personnel to deal with abnormal conditions.
The present invention may be embodied in other specific forms without departing from its spirit or essential characteristics. The present embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (11)
1. A wireless remote control method, characterized in that: the wireless remote control method comprises a remote control process and a self-checking process, wherein any one of a first wireless channel (11) and a second wireless channel (12) in the remote control process can finish communication instruction transmission, and remote control operation can be executed; in the self-checking flow, the first wireless channel and the second wireless channel execute self-checking communication test in turn; the remote control flow comprises the following steps:
s101: when wireless remote control is needed, the second processor (202) generates a remote control instruction, the encrypted remote control instruction is generated by encryption of the second encryption module (202-1), and then the encrypted remote control instruction is sent by the second wireless communication module (201) in a third configuration item (201-1);
s102: the first wireless communication module (101) receives the encrypted remote control instruction in a first configuration item (101-1) and transmits the encrypted remote control instruction to the first processor (102), the encrypted remote control instruction is decrypted by the first encryption module (102-1), and if the decryption is successful and passes verification, the first processor (102) transmits the remote control instruction to the controlled device (300) through the first communication interface (106); if the decryption fails or the verification fails, discarding the remote control instruction;
s103: -the second processor (202) sending the encrypted remote control instruction again by the second wireless communication module (201) in a fourth configuration item (201-2);
s104: the first wireless communication module (101) receives the encrypted remote control instruction by a second configuration item (101-2) and transmits the encrypted remote control instruction to the first processor (101), the encrypted remote control instruction is decrypted by the first encryption module (102-1), if the decryption is successful and the verification is passed, whether the encrypted remote control instruction is processed in the step S102 is judged, and if the encrypted remote control instruction is processed in the step S102, the encrypted remote control instruction is abandoned; if the remote control instruction is not processed in S102, transmitting the remote control instruction to the controlled device (300) through the first communication interface (106);
s105: the controlled device (300) receives the remote control instruction through a second communication interface (306) and executes the remote control instruction, and after the execution is completed, the controlled device transmits an execution result to the first processor (102) through the communication interface (306);
s106: the execution result is encrypted by the first encryption module (102-1) to obtain an encryption execution result, and the first wireless communication module (101) sends the encryption execution result in a first configuration item (101-1);
s107: the second wireless communication module (201) receives the encryption execution result in a second configuration item (201-1) and transmits the encryption execution result to the second processor (202), the encryption execution result is decrypted by the second encryption module (202-1), and if the decryption is successful and the decryption passes the verification, the second processor (202) considers that the remote control instruction in the step S101 is successfully executed, and the remote control operation is successful; if the decryption fails or the verification fails, discarding the execution result;
s108: -the first processor (102) sending the encryption execution result in step S106, again by the first wireless communication module (101), in a second configuration item (101-2);
s109: the second wireless communication module (201) receives the encryption execution result in a fourth configuration item (201-2) and transmits the encryption execution result to the second processor (202), the encryption execution result is decrypted by the second encryption module (202-1), if the decryption is successful and passes the verification, whether the processing is performed in the S107 is judged, and if the processing is performed in the S107, the execution result is abandoned; if the execution result is not processed in S107, the remote control instruction in S101 is considered to be successfully executed, and the remote control operation is successful; otherwise, the remote control operation is considered to fail.
2. A wireless remote control method as claimed in claim 1, wherein: the self-checking flow comprises the following steps:
s201: after a set time interval, the second processor (202) generates a first self-checking instruction, the first self-checking instruction is encrypted by the second encryption module (202-1) to obtain an encrypted self-checking instruction, and the encrypted self-checking instruction is sent by the second wireless communication module (201) in a third configuration item (201-1);
s202: the first wireless communication module (101) receives the encrypted self-checking instruction in a first configuration item (101-1) and transmits the encrypted self-checking instruction to the first processor (102), the encrypted self-checking instruction is decrypted by the first encryption module (102-1), and if the decryption is successful and the verification is passed, the first processor (102) at least writes the power state into a self-checking result;
s203: the self-checking result is encrypted by the first encryption module (102-1) to obtain an encrypted self-checking result, and the encrypted self-checking result is sent by the first wireless communication module (101) in a first configuration item (101-1);
s204: the second wireless communication module (201) receives the encrypted self-checking result according to a third configuration item (201-1) and transmits the encrypted self-checking result to the second processor (202), the encrypted self-checking result is decrypted by the second encryption module (202-1), and if the decryption is successful and passes the verification, and meanwhile, the power state and other state quantities are normal, the second processor (202) considers that the self-checking instruction in S201 is successfully executed, and the self-checking result is recorded to be normal; if the self-checking result shows that the power supply is abnormal or other state quantity exceeds the normal range, recording the self-checking result abnormality, and simultaneously sending out an alarm to prompt operation and maintenance personnel to handle the abnormal condition; if the decryption fails or the verification fails, recording that the self-checking of the first wireless channel (11) fails;
s205: after a set time interval, the second processor (202) generates a second self-checking instruction, the second self-checking instruction is encrypted by the second encryption module (202-1) to obtain an encrypted self-checking instruction, and the encrypted self-checking instruction is sent by the second wireless communication module (201) in a fourth configuration item (201-2);
s206: the first wireless communication module (101) receives the encrypted self-checking instruction in a second configuration item (101-2) and transmits the encrypted self-checking instruction to the first processor (102), the encrypted self-checking instruction is decrypted by the first encryption module (102-1), and if the decryption is successful and the verification is passed, the first processor (102) at least writes the power state into a self-checking result;
s207: the self-checking result is encrypted by the first encryption module (102-1) to obtain an encrypted self-checking result, and the encrypted self-checking result is sent by the wireless communication module (101) in a second configuration item (101-2);
s208: the second wireless communication module (201) receives the encrypted self-checking result through a fourth configuration item (201-2) and transmits the encrypted self-checking result to the second processor (202), the encrypted self-checking result is decrypted through the second encryption module (202-1), and if the decryption is successful and passes the verification, and meanwhile, the power state and other state quantities are normal, the second processor (202) considers that the self-checking instruction in S205 is successfully executed, and the self-checking result is recorded to be normal; if the self-checking result shows that the power supply is abnormal or other state quantity exceeds the normal range, recording the self-checking result abnormality, and simultaneously sending out an alarm to prompt operation and maintenance personnel to handle the abnormal condition; if the decryption fails or the verification fails, recording a self-checking failure of the second wireless channel (12);
s209: if the first wireless channel (11) and the second wireless channel (12) fail to perform self-check at the same time, an alarm is given to prompt operation and maintenance personnel to deal with abnormal conditions.
3. A wireless remote control method as claimed in claim 2, wherein: the alarm comprises a remote alarm including a PC interface alarm, a data interaction mode alarm, an information interaction mode alarm, a lamplight alarm, a sound alarm or a light signal output alarm.
4. A method of wireless remote control as claimed in claim 3, wherein: the data interaction mode alarm comprises a mobile phone APP alarm, the information interaction mode alarm comprises a short message alarm and a voice alarm, the light alarm comprises an indicator lamp alarm, and the voice alarm comprises a buzzer alarm.
5. A wireless remote control system implementing the wireless remote control method according to any one of claims 1 to 4, comprising a wireless control module (100), a control device (200), a controlled device (300), characterized in that: and communication data transmission is carried out between the wireless control module (100) and the control equipment (200) by adopting at least two paths of wireless channels, namely a first wireless channel (11) and a second wireless channel (12), wherein any one wireless channel is successfully connected, and then the transmission of wireless communication data can be successfully completed.
6. A wireless remote control system as defined in claim 5, wherein: the wireless control module (100) at least comprises a first wireless communication module (101), a first processor (102) and a first communication interface (106), wherein the first wireless communication module (101) is connected with the first processor (102), the first wireless communication module (101) receives a remote control instruction of the control equipment (200) and transmits the remote control instruction to the first processor (102) for processing, and the processing result of the first processor (102) is transmitted to the control equipment (200); the first processor (102) is further connected with the first communication interface (106), and transmits a control instruction to the controlled device (300) through the first communication interface (106) and receives a processing result returned by the controlled device (300).
7. A wireless remote control system as defined in claim 6, wherein: the control device (200) at least comprises a second wireless communication module (201) and a second processor (202), wherein the second wireless communication module (201) is connected with the second processor (202), a remote control instruction of the second processor (202) is sent to the wireless control module (100), and a received processing result of the wireless control module (100) is transmitted to the second processor (202).
8. A wireless remote control system as defined in claim 5, wherein: the controlled device (300) comprises at least a second communication interface (306); the second communication interface (306) is connected with the first communication interface (106) of the wireless control module (100), and is used for transmitting control instructions and processing results, and the wireless control module (100) is connected with the controlled equipment (300) in a wired communication mode.
9. A wireless remote control system as defined in claim 5, wherein: a first wireless communication module (101) of the wireless control modules (100) and a second wireless communication module (201) of the control device (200) are each provided with at least 2 sets of configuration items.
10. A wireless remote control system as defined in claim 9, wherein: the first wireless communication module (101) comprises at least a first configuration item (101-1) and a second configuration item (101-2), and the second wireless communication module (201) comprises at least a third configuration item (201-1) and a fourth configuration item (201-2); wherein the first configuration item (101-1) is identical to the third configuration item (201-1), establishing the first wireless channel (11); the second configuration item (101-2) is identical to the fourth configuration item (201-2) and the second wireless channel (12) is established.
11. A wireless remote control system as defined in claim 7, wherein: the first processor (102) comprises a first encryption module (102-1), the second processor (200) comprises a second encryption module (202-1), and the first processor (102) and the second processor (202) convert communication data transmitted by the first wireless communication module (101) and the second wireless communication module (201) into encrypted remote control instructions and then transmit the encrypted remote control instructions through the first encryption module (102-1) and the second encryption module (202-1) respectively.
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