CN115440018A - Wireless remote control system and remote control method - Google Patents
Wireless remote control system and remote control method Download PDFInfo
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- CN115440018A CN115440018A CN202110623653.5A CN202110623653A CN115440018A CN 115440018 A CN115440018 A CN 115440018A CN 202110623653 A CN202110623653 A CN 202110623653A CN 115440018 A CN115440018 A CN 115440018A
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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 at least two paths of wireless channels, namely a first wireless channel and a second wireless channel, are adopted between the wireless control module and the control equipment for communication data transmission, and the transmission of wireless communication data can be successfully completed if any one wireless channel is successfully connected.
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 power customer power consumption information acquisition, realize the perfection of system functions such as customer pre-paid power consumption real-time monitoring, remote management, power analysis, demand management and the like, technically realize the work target of power consumption risk 'monthly clearness and moon', control the interference of internal and external artificial factors in means, change the traditional payment mode of customers from concept, standardize the power supply and consumption order from management, control the hidden danger of power customer equipment from safety, comprehensively promote marketing intelligent network construction, and realize that national grid companies provide the construction target of 'full coverage, full acquisition and full cost control' of power customer power consumption information.
In order to achieve the aim, a low-voltage charge control switch scheme (see patent CN 202011119219.5) is provided by a switchgear manufacturer, and the requirement of a national power grid company is met to a certain extent. For high-capacity special power users, a device for high-voltage power supply and metering and low-voltage charge control execution is provided, and a charge control method and an operation rule based on the device are provided, so that under the condition of meeting the requirements of safety and economy of a national power grid company, high-voltage line operation is avoided, the safety, economy and timeliness of charge control operation are improved, the charge control operation is more convenient, and the satisfaction degree of power users is improved. However, when a specific solution is designed, the cost control operation is often unreliable, and the communication link is interfered, so that the cost control operation cannot be timely and reliably executed; the cost control equipment cannot be effectively monitored, and when the cost control equipment has abnormal conditions or even fails, the problems of timely finding and overhauling cannot be solved.
Therefore, the existing high-supply low-control and wireless cost control technologies need to be perfected and optimized, the anti-interference capability of the wireless cost control system is improved, and the cost control operation is timely and reliably realized through upgrading technical measures; during the normal payment of the power special transformer user, the state of the wireless charge control system can be effectively monitored, and the hidden danger of failure of charge control operation caused by the fact that the wireless charge control system module fails and cannot be found in time 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 a communication link in the system and cannot depend on equipment and a network outside the system so as to avoid the potential safety hazard of information.
Disclosure of Invention
In order to solve at least one of the above problems, the present invention provides a remote control system and a remote control method, the specific scheme is as follows:
a wireless remote control system comprises a wireless control module, a control device and a controlled device, wherein the wireless control module and the control device at least adopt two wireless channels of a first wireless channel and a second wireless channel to carry out communication data transmission, and if any one wireless channel is successfully connected, 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, the first wireless communication module is connected with the first processor, the first wireless communication module receives a remote control command of the control device, transmits the remote control command to the first processor for processing, and transmits the processing result of the first processor to the control device; the first processor is also connected with the first communication interface, and transmits a control instruction to the controlled equipment through the first communication interface and receives a processing result returned by the controlled equipment.
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 command 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 comprises at least a second communication interface; the second communication interface is connected with the first communication interface of the wireless control module, the control command and the processing result are transmitted, 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 includes at least a first configuration item and a second configuration item, and the second wireless communication module includes at least 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 the communication data transmitted by the first wireless communication module and the second wireless communication module into encrypted remote control commands through the first encryption module and the second encryption module, respectively, and then transmit the encrypted remote control commands.
On the other hand, the invention also provides a wireless remote control method, which carries out remote control according to the wireless remote control system and comprises a remote control process and a self-checking process, wherein in the remote control process, either one of the first wireless channel and the second wireless channel finishes communication instruction transmission and can execute remote control operation; in the self-checking process, the first wireless channel and the second wireless channel perform a self-checking communication test in turn.
Preferably, the remote control process comprises the following steps:
s101: when the 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 then 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 command according to a first configuration item and transmits the encrypted remote control command to the first processor, the encrypted remote control command 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 command to the controlled equipment through a first communication interface; if the decryption fails or the verification fails, giving up the remote control command;
s103: the second processor sends the encrypted remote control instruction again by the second wireless communication module in a fourth configuration item;
s104: the first wireless communication module receives the encrypted remote control command through a second configuration item and transmits the encrypted remote control command to the first processor, the encrypted remote control command is decrypted by the first encryption module, if the decryption is successful and passes the verification, whether the encrypted remote control command is processed in the step S102 is judged, and if the encrypted remote control command is processed in the step S102, the encrypted remote control command is abandoned; if the remote control instruction is not processed in the step S102, transmitting the remote control instruction to the controlled equipment through the first communication interface;
s105: the controlled equipment receives and executes the remote control instruction through a second communication interface, and transmits an execution result to the first processor through the communication interface after the execution is finished;
s106: the execution result is encrypted by the first encryption module to obtain an encrypted execution result, and the first wireless communication module sends the encrypted execution result in a first configuration item;
s107: the second wireless communication module receives the encryption execution result through a second accessory 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 verification is passed, the second processor considers that the remote control command 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 transmits the encryption execution result in the step S106 again by the first wireless communication module in a second configuration item;
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 passes the verification, whether the encryption execution result is processed in S107 is judged, and if the encryption execution result is processed in S107, the encryption execution result is abandoned; if the execution result is not processed in the step S107, the remote control instruction in the step 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-test flow includes the following steps:
s201: after a set time interval, the second processor (202) generates a first self-checking instruction, and the first self-checking instruction is encrypted by the second encryption module (202-1) to obtain an encrypted self-checking instruction, and then 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-test instruction in a first configuration item (101-1) and transmits the encrypted self-test instruction to the first processor (102), the encrypted self-test instruction is decrypted by the first encryption module (102-1), and if the decryption is successful and the decryption is verified, the first processor (102) at least writes the power supply state into a self-test 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-test result according to a third configuration item (201-1) and transmits the encrypted self-test result to the second processor (202), the encrypted self-test 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-test instruction in S201 is successfully executed, and records that the self-test result is normal; if the self-checking result shows that the power supply is abnormal or other state quantities exceed the normal range, recording the abnormal self-checking result, and simultaneously sending an alarm to prompt operation and maintenance personnel to handle abnormal conditions; if the decryption fails or the verification fails, recording the self-checking failure of the first wireless channel (11);
s205: after a set time interval, the second processor (202) generates a second self-test instruction, the second self-test instruction is obtained by encryption through the second encryption module (202-1), and the encrypted self-test 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-test instruction in a second configuration item (101-2) and transmits the encrypted self-test instruction to the first processor (102), the encrypted self-test instruction is decrypted by the first encryption module (102-1), and if the decryption is successful and the decryption is verified, the first processor (102) at least writes the power supply state into a self-test 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-test result in a fourth configuration item (201-2) and transmits the encrypted self-test result to the second processor (202), the encrypted self-test result is decrypted by the second encryption module (202-1), 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-test instruction in the S205 is successfully executed, and records that the self-test result is normal; if the self-checking result shows that the power supply is abnormal or other state quantities exceed the normal range, recording the abnormal self-checking result, and simultaneously sending an alarm to prompt operation and maintenance personnel to handle abnormal conditions; if the decryption fails or the verification fails, recording the self-checking failure of the second wireless channel (12);
s209: and if the self-checking of the first wireless channel (11) and the second wireless channel (12) fails at the same time, alarming is carried out to prompt operation and maintenance personnel to handle abnormal conditions.
The invention has the following beneficial effects:
1. the existing high-supply low-control and wireless cost control technologies are perfected and optimized, the anti-interference capability of a wireless cost control system is improved, and timely and reliable cost control operation is realized by setting a dual-channel link and automatically switching wireless channels;
2. the wireless charging control system can be applied to the wireless charging control system, the state of the wireless charging control system is effectively monitored during the normal payment period of the power special transformer user, the defect that the wireless charging control system module fails and cannot be found in time is avoided, and the hidden danger of charging control operation failure is avoided;
3. the optimization measures are realized based on the communication link in the wireless charge control system, and the information safety hidden danger is avoided without depending on equipment and a network outside the system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a wireless remote control system provided by the present invention.
Fig. 2 is a flow chart of remote control provided by the present invention.
Fig. 3 is a flow chart of self-checking provided by the present invention.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be 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 present invention by illustrating examples of the present invention. The present invention is in no way limited to any specific configuration and algorithm set forth below, but rather covers any modification, replacement or improvement of elements, parts without departing from the spirit of the invention.
As shown in fig. 1, the present invention discloses a wireless remote control system, this embodiment includes a wireless control module 100, a control device 200 and a controlled device 300, two wireless channels, namely a first wireless channel 11 and a second wireless channel 12, are used between the wireless control module 100 and the control device 200 for communication data transmission, and 2 wireless channels have only parameter setting differences and can transmit the same data, so that any one of the wireless channels is successfully connected, and the transmission of wireless communication data can be successfully completed.
In other specific embodiments, the number of the wireless channels may also be three or more, and the setting may be performed according to actual requirements, which is not described herein again.
The wireless control module 100 further has at least 2 power supplies respectively supplying power to the 2 power supply modules, and each power supply module can output voltage and power enough to maintain normal operation of the wireless control module 100, so that the wireless control module 100 can operate normally when any one 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 to the first processor 102, the first wireless communication module 101 receives a remote control command of the control device 200, transmits the remote control command to the first processor 102 for processing, and sends 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 is connected with the control device 200 in a wireless communication mode; the controlled device 300 at least includes a second communication interface 306, the second communication interface 306 is connected to the first communication interface 106 of the wireless control module 100, the wireless control module 100 is connected to the controlled device 300 in a wired communication manner to transmit the control command and the processing result.
At least 1 of the first power module 104 and the second power module 105 supports the commercial power 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 system working power to be provided to 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, which automatically selects the output of the first power module 104 or the second power module 105 for operation, and simultaneously transmits the operating states of the first power module 104 and the second power module 105 to the first processor 102, so that the first processor 102 can monitor 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 operating state, the monitoring information is sent to the control device 200 through the first wireless communication module 101, so that the control device 200 sends an alarm signal to prompt an operation and maintenance worker to handle an abnormal condition.
In the present embodiment, the first wireless communication module 101 in the wireless control module 100 and the second wireless communication module 201 in the control device 200 each have 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; 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 a first wireless channel 11; the second configuration item 101-2 and the fourth configuration item 201-2 have the same setting parameters, and all use the same physical channel, baud rate, check code and stop bit to establish the second wireless channel 12.
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 that needs to be transmitted by the first wireless communication module 101 and the second wireless communication module 201 into an encrypted remote control command through the first encryption module 102-1 and the second encryption module 202-1, respectively, and then perform communication.
Fig. 2 is a remote control flow chart of the present invention, and as shown in fig. 2, the wireless remote control flow of this embodiment respectively transmits a remote control instruction and feeds back an execution result by using two wireless channels, namely, a first wireless channel 11 and a second wireless channel 12, in the wireless remote control system, and 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 command 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 command to the first processor 102, decrypting the encrypted remote control command by the first encryption module 102-1 by the first processor 102, and if the remote control command is decrypted successfully and passes the verification, transmitting the control command to the controlled device 300 by the first processor 102 through the first communication interface 106; if the decryption fails or the verification fails, giving up the remote control command;
s103: the second processor 202 of the control device 200 sends the encrypted remote control instruction in S101 to the second wireless communication module 201 again to send the encrypted remote control instruction with the setting parameters of the fourth configuration item 201-2;
s104: after receiving the encrypted remote control command by the first wireless communication module 101 of the wireless control module 100 according to the setting parameters of the second configuration item 101-2, transmitting the encrypted remote control command to the first processor 102, decrypting the remote control command by the first encryption module 102-1 by the first processor 102, if the decryption is successful and the decryption is verified, judging whether the remote control command is processed in S102, and if the remote control command is processed in S102, giving up the remote control command; 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 and executes the control instruction through the second communication interface 306, and after the execution is completed, transmits the 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 according to the setting parameter of the first configuration item 101-1;
s107: after receiving the encryption execution result by the second wireless communication module 201 of the control device 200 according to the setting parameter of the third configuration item 201-1, transmitting the encryption execution result to the second processor 202, decrypting the encryption execution result by the second encryption module 202-1 by the second processor 202, and if the data decryption succeeds and passes the verification, considering that the remote control instruction in S101 is successfully executed by the second processor 202, and the remote control operation is successful at this time; if the decryption fails or the verification fails, abandoning the execution result;
s108: the first processor 102 of the wireless control module 100 sends the encryption execution result in S106 to the first wireless communication module 101 again to send the encryption execution result with the setting parameters of the second configuration item 101-2;
s109: after receiving the encryption execution result by the second wireless communication module 201 of the control device (200) according to the setting parameter of the fourth configuration item 201-2, transmitting the encryption execution result to the second processor 202, decrypting the encryption execution result by the second encryption module 202-1 by the second processor 202, if the decryption is successful and passes the verification, judging whether to process in S107, and if the decryption is processed in S107, discarding the execution result; if the execution result is not processed in the step S107, the remote control instruction in the step 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 dual-channel link and automatically switching the wireless channels.
The self-checking process of the specific implementation of the invention comprises the following steps:
s201: after a set time interval, the second processor 202 generates a first self-test instruction, and after the first self-test instruction is obtained by encryption performed by the second encryption module 202-1, the encrypted self-test instruction is sent by the second wireless communication module 201 as a third configuration item 201-1;
s202: the first wireless communication module 101 receives the encrypted self-test instruction in a first configuration item 101-1 and transmits the encrypted self-test instruction to the first processor 102, the encrypted self-test 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 the self-test 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-test result with the third configuration item 201-1 and transmits the encrypted self-test result to the second processor 202, the encrypted self-test 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-test instruction in S201 is successfully executed, and records that the self-test result is normal; if the self-checking result shows that the power supply is abnormal or other state quantities exceed the normal range, recording the abnormal self-checking result, and simultaneously sending an alarm to prompt operation and maintenance personnel to handle abnormal conditions; if the decryption fails or the verification fails, recording the self-checking failure of the first wireless channel 11;
s205: after a set time interval, the second processor 202 generates a second self-test instruction, and the second encryption module 202-1 encrypts the second self-test instruction to obtain an encrypted self-test instruction, which 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-test instruction in a second configuration item 101-2 and transmits the encrypted self-test instruction to the first processor 102, the encrypted self-test 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-test 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-test result with a fourth configuration item 201-2 and transmits the encrypted self-test result to the second processor 202, the encrypted self-test result is decrypted by the second encryption module 202-1, 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-test instruction in S205 is successfully executed, and records that the self-test result is normal; if the self-checking result shows that the power supply is abnormal or other state quantities exceed the normal range, recording the abnormal self-checking result, and simultaneously sending an alarm to prompt operation and maintenance personnel to handle abnormal conditions; if the decryption fails or the verification fails, recording the self-checking failure of the second wireless channel 12;
s209: and if the self-checking of the first wireless channel 11 and the second wireless channel 12 fails at the same time, alarming is carried out to prompt operation and maintenance personnel to handle 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 (12)
1. A wireless remote control system comprising a wireless control module (100), a control device (200), a controlled device (300), characterized in that: the wireless control module (100) and the control device (200) at least adopt two wireless channels, namely a first wireless channel (11) and a second wireless channel (12), to carry out communication data transmission, and if any one wireless channel is successfully connected, the transmission of wireless communication data can be successfully completed.
2. A wireless remote control system as defined in claim 1, 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), 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 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 also 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).
3. A wireless remote control system as defined in claim 2, 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), sends a remote control command of the second processor (202) to the wireless control module (100), and transmits a received processing result of the wireless control module (100) to the second processor (202).
4. A wireless remote control system as defined in claim 1, 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), control instructions and processing results are transmitted, and the wireless control module (100) is connected with the controlled equipment (300) in a wired communication mode.
5. A wireless remote control system as defined in claim 1, wherein: the first wireless communication module (101) in the wireless control module (100) and the second wireless communication module (201) in the control device (200) are each provided with at least 2 sets of configuration items.
6. A wireless remote control system as defined in claim 5, wherein: the first wireless communication module (101) comprises at least a first configuration item (101-1) and a second configuration item (101-2), 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 the same as the third configuration item (201-1), establishing the first wireless channel (11); the second configuration item (101-2) is the same as the fourth configuration item (201-2), and the second wireless channel (12) is established.
7. A wireless remote control system as defined in claim 3, 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 commands through the first encryption module (102-1) and the second encryption module (202-1) respectively and then transmit the encrypted remote control commands.
8. A wireless remote control method for performing remote control according to the wireless remote control system according to any one of claims 1 to 7, characterized in that: the wireless remote control method comprises a remote control process and a self-checking process, wherein in the remote control process, either one of the first wireless channel (11) and the second wireless channel (12) completes communication instruction transmission and can execute remote control operation; in the self-test flow, the first wireless channel and the second wireless channel execute a self-test communication test in turn.
9. A wireless remote control method as defined in claim 8, wherein: the remote control process comprises the following steps:
s101: when wireless remote control is needed, the second processor (202) generates a remote control instruction, and the remote control instruction is encrypted by the second encryption module (202-1) to generate an encrypted remote control instruction and then 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 command in a first configuration item (101-1) and transmits the encrypted remote control command to the first processor (102), the encrypted remote control command is decrypted by the first encryption module (102-1), and if the decryption is successful and the decryption is verified, the first processor (102) transmits the remote control command to the controlled device (300) through a first communication interface (106); if the decryption fails or the verification fails, giving up the remote control command;
s103: -said second processor (202) transmits said encrypted remote control instruction again by said second wireless communication module (201) in a fourth configuration item (201-2);
s104: the first wireless communication module (101) receives the encrypted remote control command by a second configuration item (101-2) and transmits the encrypted remote control command to the first processor (101), the encrypted remote control command is decrypted by the first encryption module (102-1), if the decryption is successful and passes the verification, whether the encrypted remote control command is processed in the step S102 is judged, and if the encrypted remote control command is processed in the step S102, the encrypted remote control command 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 remote control instruction is executed, an execution result is transmitted 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 encrypted execution result, and the first wireless communication module (101) sends the encrypted execution result in a first configuration item (101-1);
s107: the second wireless communication module (201) receives the encryption execution result with a second accessory (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), if the decryption is successful and the decryption is verified, the second processor (202) considers that the remote control command in the step S101 is successfully executed, and the remote control operation is successful; if the decryption fails or the verification fails, abandoning the execution result;
s108: the first processor (102) transmits 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 encryption execution result is processed in S107 is judged, and if the encryption execution result is processed in S107, the encryption execution result is abandoned; if the execution result is not processed in the step S107, the remote control instruction in the step S101 is considered to be successfully executed, and the remote control operation is successful; otherwise, the remote control operation is considered to fail.
10. A wireless remote control method as defined in claim 8, wherein: the self-checking process comprises the following steps:
s201: after a set time interval, the second processor (202) generates a first self-test instruction, and the encrypted self-test instruction is obtained by encryption of the second encryption module (202-1) and then 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-test instruction in a first configuration item (101-1) and transmits the encrypted self-test instruction to the first processor (102), the encrypted self-test instruction is decrypted by the first encryption module (102-1), and if the decryption is successful and the decryption is verified, the first processor (102) at least writes the power supply state into the self-test 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-test result in a third configuration item (201-1) and transmits the encrypted self-test result to the second processor (202), the encrypted self-test 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-test instruction in S201 is successfully executed, and records that the self-test result is normal; if the self-checking result shows that the power supply is abnormal or other state quantities exceed the normal range, recording the abnormal self-checking result, and simultaneously sending an alarm to prompt operation and maintenance personnel to handle abnormal conditions; if the decryption fails or the verification fails, recording the self-checking failure of the first wireless channel (11);
s205: after a set time interval, the second processor (202) generates a second self-test instruction, the second self-test instruction is encrypted by the second encryption module (202-1) to obtain an encrypted self-test instruction, and the encrypted self-test 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-test instruction in a second configuration item (101-2) and transmits the encrypted self-test instruction to the first processor (102), the encrypted self-test instruction is decrypted by the first encryption module (102-1), and if the decryption is successful and the decryption is verified, the first processor (102) at least writes the power supply state into a self-test 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-test result in a fourth configuration item (201-2) and transmits the encrypted self-test result to the second processor (202), the encrypted self-test result is decrypted by the second encryption module (202-1), 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-test instruction in the S205 is successfully executed, and records that the self-test result is normal; if the self-checking result shows that the power supply is abnormal or other state quantities exceed the normal range, recording the abnormal self-checking result, and simultaneously sending an alarm to prompt operation and maintenance personnel to handle abnormal conditions; if the decryption fails or the verification fails, recording the self-checking failure of the second wireless channel (12);
s209: and if the self-checking of the first wireless channel (11) and the second wireless channel (12) fails at the same time, alarming is carried out to prompt operation and maintenance personnel to handle abnormal conditions.
11. A wireless remote control method as defined in claim 10, wherein: the alarm comprises remote alarm including PC interface alarm, data interaction mode alarm, information interaction mode alarm, light alarm, sound alarm or light signal output alarm.
12. A wireless remote control method as defined in claim 11, wherein: data interaction mode warning includes cell-phone APP warning, information interaction mode warning includes SMS warning and audio alert, light alarm includes the pilot lamp warning, audible alert includes the buzzer warning.
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