CN111372206A - Communication method, system and equipment - Google Patents
Communication method, system and equipment Download PDFInfo
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- CN111372206A CN111372206A CN201811590264.1A CN201811590264A CN111372206A CN 111372206 A CN111372206 A CN 111372206A CN 201811590264 A CN201811590264 A CN 201811590264A CN 111372206 A CN111372206 A CN 111372206A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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Abstract
The invention discloses a communication method, a communication system and communication equipment. The method comprises the steps that an upper computer receives a communication connection instruction carrying a dynamic random encryption password through a connected second Bluetooth module, decrypts the communication connection instruction, establishes wireless communication connection with a frequency converter, then the frequency converter generates a check code instruction used for checking whether the established wireless communication connection continuously keeps effective connection, and the first Bluetooth module sends the generated check code instruction to the upper computer to check whether the established wireless communication connection continuously keeps effective connection. By the mode, the frequency converter can be in wireless communication connection with an upper computer and can be used for verifying whether the wireless communication connection is continuously and effectively connected, the interference of the mutual crossing of a shielding cable and a main loop circuit in wired communication connection on communication can be avoided, and the communication quality is improved; in addition, the upper computer is not limited to an industrial personal computer with high price, so that the cost is reduced.
Description
Technical Field
The embodiment of the invention relates to the technical field of frequency converters, in particular to a communication method, a communication system and communication equipment.
Background
The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor.
The upper computer is a computer capable of directly sending out control commands.
Referring to fig. 1, fig. 1 is a schematic diagram of a communication scheme for communication between a frequency converter and an upper computer in the prior art. As shown in fig. 1, in a factory load testing link of an existing frequency converter, an operator of an upper computer simulating the frequency converter is generally adopted or a serial port communication protocol special for the frequency converter is adopted to communicate with the frequency converter, the communication connection between the upper computer and the frequency converter is mostly RS-232 (asynchronous transmission standard interface) or RS-485 (single chip microcomputer transmission standard interface), and a shielded cable is required to establish wired communication connection. The upper computer is limited by the length of the cable of the shielded cable, is often closer to the frequency converter, and is often required to adopt an industrial personal computer with high price as the upper computer in order to enable the upper computer to have strong environment adaptability, particularly to be suitable for complex electromagnetic environments.
However, the inventors found that at least the following problems exist in the prior art:
1. the wired communication connection of the shielded cable inevitably leads the shielded cable and the main loop circuit to be crossed with each other, thereby forming interference on communication and influencing the communication quality.
2. An industrial personal computer with high price is used as an upper computer to communicate with the frequency converter, and the cost is high.
Disclosure of Invention
The embodiment of the invention aims to provide a communication method, a communication system and communication equipment, which can realize the wireless communication connection between a frequency converter and an upper computer and can check whether the wireless communication connection is continuously and effectively connected, avoid the interference of the mutual intersection of a shielding cable and a main loop circuit of the wired communication connection on the communication and improve the communication quality; in addition, the upper computer is not limited to an industrial personal computer with high price, so that the cost is reduced.
To solve the above technical problem, an embodiment of the present invention provides a communication method, including:
the frequency converter is connected with the first Bluetooth module, and the upper computer is connected with the second Bluetooth module;
the frequency converter generates a dynamic random encryption password associated with a communication connection command, and sends the communication connection command carrying the dynamic random encryption password to the upper computer through the connected first Bluetooth module;
the upper computer receives the communication connection instruction carrying the dynamic random encryption password through the connected second Bluetooth module, decrypts the communication connection instruction and establishes wireless communication connection with the frequency converter;
and the frequency converter generates a check code instruction for checking whether the established wireless communication connection continuously keeps the effective connection, and sends the generated check code instruction to the upper computer through the connected first Bluetooth module to check whether the established wireless communication connection continuously keeps the effective connection.
An embodiment of the present invention further provides a communication system, including:
frequency converter equipment and upper computer equipment;
the frequency converter equipment is used for generating a dynamic random encryption password associated with the communication connection command and sending the communication connection command carrying the dynamic random encryption password to the upper computer equipment;
the upper computer equipment is used for receiving the communication connection instruction carrying the dynamic random encryption password, decrypting the communication connection instruction and establishing wireless communication connection with the frequency converter equipment;
the frequency converter equipment is also used for generating a check code instruction for checking whether the established wireless communication connection continuously keeps the effective connection, and sending the generated check code instruction to the upper computer equipment to check whether the established wireless communication connection continuously keeps the effective connection.
An embodiment of the present invention further provides a frequency converter device, including:
the device comprises a frequency converter and a first Bluetooth module;
the transmitting data port of the frequency converter is connected with the receiving data port of the first Bluetooth module, and the receiving data port of the frequency converter is connected with the transmitting data port of the first Bluetooth module;
the frequency converter is used for generating a dynamic random encryption password associated with a communication connection instruction, sending the communication connection instruction carrying the dynamic random encryption password to an upper computer device through the connected first Bluetooth module, and establishing wireless communication connection with the upper computer device through the communication connection instruction;
the first Bluetooth module is used for sending a communication connection instruction carrying the dynamic random encryption password to the upper computer equipment;
the frequency converter is also used for generating a check code instruction for checking whether the established wireless communication connection continuously keeps the effective connection, and sending the generated check code instruction to the upper computer equipment through the connected first Bluetooth module to check whether the established wireless communication connection continuously keeps the effective connection;
the first Bluetooth module is further configured to send the generated check code instruction to the upper computer device.
An embodiment of the present invention further provides an upper computer device, including:
the upper computer and the second Bluetooth module;
the data transmitting port of the upper computer is connected with the data receiving port of the second Bluetooth module, and the data receiving port of the upper computer is connected with the data transmitting port of the second Bluetooth module;
the upper computer is used for receiving a communication connection instruction which is sent by the frequency converter equipment and carries a dynamic random encryption password through the connected second Bluetooth module, decrypting the communication connection instruction and establishing wireless communication connection with the frequency converter equipment;
and the second Bluetooth module is used for receiving the communication connection instruction carrying the dynamic random encryption password.
An embodiment of the present invention further provides an intelligent device, including: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the above-described communication method.
Embodiments of the present invention also provide a computer-readable storage medium storing a computer program, which when executed by a processor implements the above-described communication method.
Compared with the prior art, the embodiment of the invention can realize the wireless communication connection between the frequency converter and the upper computer and can verify whether the wireless communication connection is continuously and effectively connected, avoid the interference of the mutual intersection of the shielding cable and the main loop circuit of the wired communication connection to the communication and improve the communication quality; in addition, the upper computer is not limited to an industrial personal computer with high price, for example, a mobile terminal such as a mobile phone can be used as the upper computer to be connected with an appointed Bluetooth module, and the Bluetooth module connected with the frequency converter can be searched through the connected appointed Bluetooth module and wireless communication connection is established, so that the cost is reduced.
In addition, the frequency converter can generate a dynamic random encryption password associated with the communication connection command in a dynamic encryption mode, and the communication connection command carrying the dynamic random encryption password is sent to the upper computer through the connected first Bluetooth module, so that one dynamic random encryption password can be used only once in the authentication decryption process, and the other dynamic random encryption password is replaced and used in the next authentication decryption process, thereby effectively protecting the authentication security, and being safe and worry-saving.
In addition, the first Bluetooth module and the second Bluetooth module can be the same Bluetooth module, so that the advantages of simultaneous production, parameter configuration and assembly, time saving, labor saving and cost saving are achieved.
In addition, the upper computer can send a function test instruction to the frequency converter for establishing the wireless communication connection through the connected second Bluetooth module, so that the frequency converter for establishing the wireless communication connection is subjected to function test, and the upper computer can perform the function test on the frequency converter in a wireless communication connection mode.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
FIG. 1 is a schematic diagram of a communication scheme of a conventional frequency converter for communicating with an upper computer;
fig. 2 is a flow chart of a communication method according to a first embodiment of the present invention;
fig. 3 is a flow chart of a communication method according to a second embodiment of the present invention;
fig. 4 is a schematic configuration diagram of a communication system according to a third embodiment of the present invention;
fig. 5 is a schematic configuration diagram of a communication system according to a fourth embodiment of the present invention;
FIG. 6 is a schematic diagram of a frequency converter apparatus according to a fifth embodiment of the present invention
Fig. 7 is a schematic structural diagram of an upper computer device according to a sixth embodiment of the present invention;
fig. 8 is a schematic structural diagram of an upper computer device according to a seventh embodiment of the present invention;
fig. 9 is a schematic structural diagram of an intelligent device according to a sixth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
A first embodiment of the present invention relates to a communication method. The core of the embodiment is applied to frequency converter equipment, which comprises a frequency converter connected with a first Bluetooth module, an upper computer connected with a second Bluetooth module, the frequency converter generates a dynamic random encryption password associated with the communication connection command, and sends the communication connection command carrying the dynamic random encryption password to the upper computer through the connected first Bluetooth module, the upper computer receives the communication connection instruction carrying the dynamic random encryption password through the connected second Bluetooth module, decrypts the communication connection instruction, establishes wireless communication connection with the frequency converter, the frequency converter then generates a check code instruction for checking whether the established wireless communication connection continuously maintains a valid connection, and the generated check code instruction is sent to the upper computer through the first Bluetooth module of the connection to check whether the established wireless communication connection continuously keeps effective connection. By the mode, the frequency converter can be in wireless communication connection with an upper computer and can be used for verifying whether the wireless communication connection is continuously and effectively connected, the interference of the mutual crossing of a shielding cable and a main loop circuit in wired communication connection on communication can be avoided, and the communication quality is improved; in addition, the upper computer is not limited to an industrial personal computer with high price, for example, a mobile terminal such as a mobile phone can be used as the upper computer to be connected with an appointed Bluetooth module, and the Bluetooth module connected with the frequency converter can be searched through the connected appointed Bluetooth module and wireless communication connection is established, so that the cost is reduced. The following describes the implementation details of the communication method of the present embodiment in detail, and the following is only provided for the convenience of understanding and is not necessary for implementing the present embodiment.
A flow of a communication method in this embodiment is shown in fig. 2, and specifically includes:
step 201: the converter is connected with the first Bluetooth module, and the upper computer is connected with the second Bluetooth module.
Step 202: the frequency converter generates a dynamic random encryption password associated with the communication connection command, and sends the communication connection command carrying the dynamic random encryption password to the upper computer through the connected first Bluetooth module.
Specifically, the frequency converter generates a dynamic random encryption password associated with a communication connection command in a dynamic encryption mode, and sends the communication connection command carrying the dynamic random encryption password to the upper computer through the connected first Bluetooth module, so that one dynamic random encryption password is used only once in the authentication decryption process, and the other dynamic random encryption password is replaced and used in the next authentication decryption process, thereby effectively protecting the authentication security, and being safe and worry-saving.
Step 203: the upper computer receives the communication connection instruction carrying the dynamic random encryption password through the connected second Bluetooth module, decrypts the communication connection instruction and establishes wireless communication connection with the frequency converter.
Step 204: the frequency converter generates a check code instruction for checking whether the established wireless communication connection continuously keeps the effective connection, and sends the generated check code instruction to the upper computer through the first Bluetooth module of the connection to check whether the established wireless communication connection continuously keeps the effective connection.
Optionally, the frequency converter generates a check code instruction for checking whether the established wireless communication connection continuously maintains the valid connection, and sends the generated check code instruction to the upper computer through the first bluetooth module of the connection to check whether the established wireless communication connection continuously maintains the valid connection, which may include:
the frequency converter generates a check code instruction used for checking whether the established wireless communication connection continuously keeps effective connection or not, and sends the generated check code instruction to the upper computer through the connected first Bluetooth module to check whether the established wireless communication connection continuously keeps effective connection or not.
Optionally, the first bluetooth module and the second bluetooth module may be the same bluetooth module, which has the advantages of being able to simultaneously produce and configure parameters and assembly, saving time and labor, and saving cost.
In this embodiment, the first bluetooth module and the second bluetooth module may be the same bluetooth module or different bluetooth modules, and the present invention is not limited thereto.
In this embodiment, the converter can connect appointed bluetooth module, appointed bluetooth module can be connected to the host computer, appointed bluetooth module through this connection can search for the bluetooth module that the converter is connected and establish wireless communication connection can, the host computer no longer is restricted to the industrial computer that is expensive, for example mobile terminal can connect appointed bluetooth module as the host computer like the cell-phone, and can search for the bluetooth module that the converter is connected and establish wireless communication connection through the appointed bluetooth module of this connection can, make the cost reduce.
In this embodiment, the bluetooth module can be used to perform wireless communication connection, the shielded cable and the main circuit line that do not have the existing wired communication connection mode are crossed with each other, and meanwhile, the bluetooth module can use a frequency hopping technology, for example, when the frequency of the bluetooth module is 2.4GHz (gigahertz), the interference of the main circuit to the communication can be effectively eliminated, and the communication quality is improved.
In this embodiment, the upper computer may receive the communication connection instruction carrying the dynamic random encryption password through the connected second bluetooth module, decrypt the communication connection instruction, and establish a wireless communication connection with the frequency converter, where the first bluetooth communication module and the second bluetooth communication module may have an exchange of dynamic handshake frames in the process of establishing the wireless communication connection.
A second embodiment of the present invention relates to a communication method. The second embodiment is further improved on the basis of the first embodiment, and the main improvement is that: in the second embodiment of the present invention, after the frequency converter generates a check code instruction for checking whether the established wireless communication connection continuously maintains the valid connection, and sends the generated check code instruction to the upper computer through the first bluetooth module of the connection to check whether the established wireless communication connection continuously maintains the valid connection, the method may further include: the upper computer sends a function test instruction to the frequency converter which establishes the wireless communication connection through the second Bluetooth module which is connected with the upper computer, and the frequency converter which establishes the wireless communication connection is subjected to function test, so that the upper computer can adopt a wireless communication connection mode to perform the function test on the frequency converter.
A flow of a communication method in this embodiment is shown in fig. 3, and specifically includes:
step 301: the converter is connected with the first Bluetooth module, and the upper computer is connected with the second Bluetooth module.
Step 302: the frequency converter generates a dynamic random encryption password associated with the communication connection command, and sends the communication connection command carrying the dynamic random encryption password to the upper computer through the connected first Bluetooth module.
Step 303: the upper computer receives the communication connection instruction carrying the dynamic random encryption password through the connected second Bluetooth module, decrypts the communication connection instruction and establishes wireless communication connection with the frequency converter.
Step 304: the frequency converter generates a check code instruction for checking whether the established wireless communication connection continuously keeps the effective connection, and sends the generated check code instruction to the upper computer through the first Bluetooth module of the connection to check whether the established wireless communication connection continuously keeps the effective connection.
Step 305: the upper computer sends a function test instruction to the frequency converter for establishing the wireless communication connection through the second Bluetooth module for connection, and the function test is carried out on the frequency converter for establishing the wireless communication connection.
Since the steps 301-304 in the present embodiment are substantially the same as the steps 201-204 in the first embodiment, the description is omitted here for avoiding repetition.
In this embodiment, the function test of the upper computer on the frequency converter establishing the wireless communication connection may include performing function tests on the frequency converter establishing the wireless communication connection, such as parameter setting, motor self-learning, encoder self-learning, load operation, and parameter resetting.
Compared with the prior art, the method and the device have the advantages that the upper computer can send the function test instruction to the frequency converter which establishes the wireless communication connection through the connected second Bluetooth module, the frequency converter which establishes the wireless communication connection is subjected to the function test, and the upper computer can perform the function test on the frequency converter in a wireless communication connection mode.
The steps of the above methods are divided for clarity, and the implementation may be combined into one step or split some steps, and the steps are divided into multiple steps, so long as the same logical relationship is included, which are all within the protection scope of the present patent; it is within the scope of the patent to add insignificant modifications to the algorithms or processes or to introduce insignificant design changes to the core design without changing the algorithms or processes.
A third embodiment of the present invention relates to a communication system, as shown in fig. 4. In this embodiment, the communication system 400 includes: a frequency converter device 401 and an upper computer device 402.
The frequency converter device 401 is configured to generate a dynamic random encryption password associated with the communication connection instruction, and send a communication instruction carrying the dynamic random encryption password to the upper computer device 402.
The upper computer device 402 is configured to receive the communication instruction carrying the dynamic random encryption password, decrypt the communication instruction, and establish a wireless communication connection with the frequency converter device 401.
The frequency converter device 401 is further configured to generate a check code instruction for checking whether the established wireless communication connection continuously maintains the valid connection, and send the generated check code instruction to the upper computer device 402 to check whether the established wireless communication connection continuously maintains the valid connection.
Optionally, the frequency converter device 401 may include:
the frequency converter 4011 and the first Bluetooth module 4012;
a TXD (Transmit Data) port of the frequency converter 4011 is connected to an RXD (Receive Data) port of the first bluetooth module 4012, and a Receive Data RXD port of the frequency converter 4011 is connected to a Transmit Data TXD port of the first bluetooth module 4012;
the frequency converter 4011 is configured to generate a dynamic random encryption password associated with a communication connection instruction, and send the communication connection instruction carrying the dynamic random encryption password to the upper computer device 402 through the connected first bluetooth module 4012;
the first bluetooth module 4012 is configured to send a communication connection instruction carrying the dynamic random encryption password to the upper computer device 402;
the frequency converter 4011 is further configured to generate a check code instruction for checking whether the established wireless communication connection continuously maintains an effective connection, and send the generated check code instruction to the upper computer device 402 through the connected first bluetooth module 4012 to check whether the established wireless communication connection continuously maintains an effective connection;
the first bluetooth module 4012 is further configured to send the generated check code instruction to the upper computer device 402.
Optionally, the upper computer device 402 may include:
the upper computer 4021 and the second bluetooth module 4022;
a transmitting data TXD port of the upper computer 4021 is connected to a receiving data RXD port of the second bluetooth module 4022, and the receiving data RXD port of the upper computer 4021 is connected to a transmitting data TXD port of the second bluetooth module 4022;
the upper computer 4021 is configured to receive the communication connection instruction carrying the dynamic random encryption password through the connected second bluetooth module 4022, decrypt the communication connection instruction, and establish a wireless communication connection with the frequency converter device 401.
The second bluetooth module 4022 is configured to receive the communication connection command carrying the dynamic random encryption password.
Optionally, the frequency converter 4011 may be specifically configured to:
and a dynamic random encryption password associated with the communication connection instruction is generated by adopting a dynamic encryption mode, and the communication connection instruction carrying the dynamic random encryption password is sent to the upper computer device 402 through the connected first bluetooth module 4012.
Optionally, the frequency converter 4011 may be specifically configured to:
a check code instruction used for checking whether the established wireless communication connection continuously maintains the effective connection is generated, the generated check code instruction is sent to the upper computer 4021 through the connected first bluetooth module 4012 to check whether the established wireless communication connection continuously maintains the effective connection, the established wireless communication connection is continuously maintained as the effective connection when feedback information related to the check code instruction fed back by the upper computer 4021 is received within a preset time, and the established wireless communication connection is disconnected when the feedback information related to the check code instruction fed back by the upper computer 4021 is not received within the preset time.
In this embodiment, the frequency converter 4011 is the frequency converter in the above embodiment, the first bluetooth module 4012 is the first bluetooth module in the above embodiment, the upper computer 4021 is the upper computer in the above embodiment, and the second bluetooth module 4022 is the second bluetooth module in the above embodiment.
It should be understood that this embodiment is a system example corresponding to the first embodiment, and may be implemented in cooperation with the first embodiment. The related technical details mentioned in the first embodiment are still valid in this embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related-art details mentioned in the present embodiment can also be applied to the first embodiment.
It should be noted that each module referred to in this embodiment is a logical module, and in practical applications, one logical unit may be one physical unit, may be a part of one physical unit, and may be implemented by a combination of multiple physical units. In addition, in order to highlight the innovative part of the present invention, elements that are not so closely related to solving the technical problems proposed by the present invention are not introduced in the present embodiment, but this does not indicate that other elements are not present in the present embodiment.
A fourth embodiment of the present invention relates to a communication system. The fourth embodiment is substantially the same as the third embodiment, and is different from the third embodiment in that the communication system 500 according to the present embodiment further includes: a test module 501.
The testing module 501 is disposed in the upper computer device 402, and configured to send a function testing instruction to the frequency converter device 401 that establishes the wireless communication connection through the second bluetooth module 4022, so as to perform a function test on the frequency converter device 401 that establishes the wireless communication connection.
Since the second embodiment corresponds to the present embodiment, the present embodiment can be implemented in cooperation with the second embodiment. The related technical details mentioned in the second embodiment are still valid in this embodiment, and the technical effects that can be achieved in the second embodiment can also be achieved in this embodiment, and are not described herein again in order to reduce the repetition. Accordingly, the related-art details mentioned in the present embodiment can also be applied to the second embodiment.
A fifth embodiment of the present invention relates to a frequency converter apparatus, as shown in fig. 6. In this embodiment, the frequency converter device 600 includes: a frequency converter 601 and a first bluetooth module 602.
The transmitting data TXD port of the frequency converter 601 is connected to the receiving data RXD port of the first bluetooth module 602, and the receiving data RXD port of the frequency converter 601 is connected to the transmitting data TXD port of the first bluetooth module 602.
The frequency converter 601 is configured to generate a dynamic random encryption password associated with a communication connection instruction, send the communication connection instruction carrying the dynamic random encryption password to an upper computer device through the connected first bluetooth module 602, and establish a wireless communication connection with the upper computer device through the communication connection instruction.
The first bluetooth module 602 is configured to send a communication connection instruction carrying the dynamic random encryption password to the upper computer device.
The frequency converter 601 is further configured to generate a check code instruction for checking whether the established wireless communication connection continuously maintains an effective connection, and send the generated check code instruction to the upper computer device through the connected first bluetooth module 602 to check whether the established wireless communication connection continuously maintains an effective connection;
the first bluetooth module 602 is further configured to send the generated check code instruction to the upper computer device.
Optionally, the frequency converter 601 may be specifically configured to:
and generating a dynamic random encryption password associated with the communication connection instruction by adopting a dynamic encryption mode, sending the communication connection instruction carrying the dynamic random encryption password to the upper computer equipment through the connected first Bluetooth module 602, and establishing wireless communication connection with the upper computer equipment through the communication connection instruction.
Optionally, the frequency converter 601 may be specifically configured to:
generating a check code instruction for checking whether the established wireless communication connection continuously maintains the effective connection, sending the generated check code instruction to the upper computer equipment through the connected first bluetooth module 602 to check whether the established wireless communication connection continuously maintains the effective connection, continuously maintaining the established wireless communication connection as the effective connection when receiving feedback information related to the check code instruction fed back by the upper computer equipment within a preset time, and disconnecting the established wireless communication connection when failing to receive the feedback information related to the check code instruction fed back by the upper computer equipment within the preset time.
In this embodiment, the frequency converter 601 is the frequency converter in the above embodiment, and the first bluetooth module 602 is the first bluetooth module in the above embodiment.
It should be understood that this embodiment is an example of the apparatus corresponding to the first embodiment, and may be implemented in cooperation with the first embodiment. The related technical details mentioned in the first embodiment are still valid in this embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related-art details mentioned in the present embodiment can also be applied to the first embodiment.
It should be noted that each module referred to in this embodiment is a logical module, and in practical applications, one logical unit may be one physical unit, may be a part of one physical unit, and may be implemented by a combination of multiple physical units. In addition, in order to highlight the innovative part of the present invention, elements that are not so closely related to solving the technical problems proposed by the present invention are not introduced in the present embodiment, but this does not indicate that other elements are not present in the present embodiment.
Compared with the prior art, the frequency converter can generate the dynamic random encryption password associated with the communication connection command, the communication connection command carrying the dynamic random encryption password is sent to the upper computer equipment through the connected first Bluetooth module, the wireless communication connection with the upper computer equipment is established through the communication connection command, the frequency converter can be in wireless communication connection with the upper computer equipment, the interference of the mutual crossing of a shielding cable and a main loop circuit in wired communication connection to the communication can be avoided, and the communication quality is improved.
A sixth embodiment of the present invention relates to a host computer apparatus, as shown in fig. 7. In this embodiment, the upper computer device 700 includes: an upper computer 701 and a second bluetooth module 702.
A transmitting data TXD port of the upper computer 701 is connected to a receiving data RXD port of the second bluetooth module 702, and the receiving data RXD port of the upper computer 701 is connected to a transmitting data TXD port of the second bluetooth module 702.
The upper computer 701 is configured to receive, through the connected second bluetooth module 702, a communication connection instruction carrying a dynamic random encryption password sent by the frequency converter device, decrypt the communication connection instruction, and establish a wireless communication connection with the frequency converter device.
The second bluetooth module 702 is configured to receive the communication connection instruction carrying the dynamic random encryption password.
It should be understood that this embodiment is an example of the apparatus corresponding to the first embodiment, and may be implemented in cooperation with the first embodiment. The related technical details mentioned in the first embodiment are still valid in this embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related-art details mentioned in the present embodiment can also be applied to the first embodiment.
It should be noted that each module referred to in this embodiment is a logical module, and in practical applications, one logical unit may be one physical unit, may be a part of one physical unit, and may be implemented by a combination of multiple physical units. In addition, in order to highlight the innovative part of the present invention, elements that are not so closely related to solving the technical problems proposed by the present invention are not introduced in the present embodiment, but this does not indicate that other elements are not present in the present embodiment.
Compared with the prior art, the embodiment of the invention has the advantages that the upper computer can receive the communication connection instruction carrying the dynamic random encryption password sent by the frequency converter equipment through the connected second Bluetooth module, decrypt the communication connection instruction and establish the wireless communication connection with the frequency converter equipment, so that the upper computer can be in wireless communication connection with the frequency converter equipment, the interference of the mutual crossing of a shielding cable and a main loop circuit in wired communication connection on communication can be avoided, and the communication quality is improved; in addition, the upper computer is not limited to an industrial personal computer with high price, for example, a mobile terminal such as a mobile phone can be used as the upper computer to be connected with an appointed Bluetooth module, and the Bluetooth module connected with the frequency converter can be searched through the connected appointed Bluetooth module and wireless communication connection is established, so that the cost is reduced.
A seventh embodiment of the present invention relates to a host computer device. The seventh embodiment is substantially the same as the sixth embodiment, and differs from the sixth embodiment in that the host computer apparatus 800 according to the present embodiment further includes: a test module 801.
The testing module 801 is configured to send a function testing instruction to the frequency converter device that establishes the wireless communication connection through the second bluetooth module 702, so as to perform a function test on the frequency converter device that establishes the wireless communication connection.
Since the second embodiment corresponds to the present embodiment, the present embodiment can be implemented in cooperation with the second embodiment. The related technical details mentioned in the second embodiment are still valid in this embodiment, and the technical effects that can be achieved in the second embodiment can also be achieved in this embodiment, and are not described herein again in order to reduce the repetition. Accordingly, the related-art details mentioned in the present embodiment can also be applied to the second embodiment.
An eighth embodiment of the present invention relates to an intelligent device, as shown in fig. 9, including: at least one processor 901; and, memory 902 communicatively connected to at least one processor 901; the memory 902 stores instructions executable by the at least one processor 901, and the instructions are executed by the at least one processor 901, so that the at least one processor 901 can execute the communication method.
The memory 902 and the processor 901 are coupled by a bus, which may comprise any number of interconnected buses and bridges that couple one or more of the various circuits of the processor 901 and the memory 902. The bus may also connect various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. A bus interface provides an interface between the bus and the transceiver. The transceiver may be one element or a plurality of elements, such as a plurality of receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. The data processed by the processor 901 is transmitted over a wireless medium via an antenna, which further receives the data and transmits the data to the processor 901.
The processor 901 is responsible for managing the bus and general processing and may also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions. And memory 902 may be used for storing data used by processor 901 in performing operations.
A sixth embodiment of the present invention relates to a computer-readable storage medium storing a computer program. The computer program realizes the above-described method embodiments when executed by a processor.
That is, as can be understood by those skilled in the art, all or part of the steps in the method for implementing the embodiments described above may be implemented by a program instructing related hardware, where the program is stored in a storage medium and includes several instructions to enable a device (which may be a single chip, a chip, or the like) or a processor (processor) to execute all or part of the steps of the method described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
Claims (10)
1. A method of communication, comprising:
the frequency converter is connected with the first Bluetooth module, and the upper computer is connected with the second Bluetooth module;
the frequency converter generates a dynamic random encryption password associated with a communication connection command, and sends the communication connection command carrying the dynamic random encryption password to the upper computer through the connected first Bluetooth module;
the upper computer receives the communication connection instruction carrying the dynamic random encryption password through the connected second Bluetooth module, decrypts the communication connection instruction and establishes wireless communication connection with the frequency converter;
and the frequency converter generates a check code instruction for checking whether the established wireless communication connection continuously keeps the effective connection, and sends the generated check code instruction to the upper computer through the connected first Bluetooth module to check whether the established wireless communication connection continuously keeps the effective connection.
2. The communication method according to claim 1, wherein the frequency converter generates a dynamic random encryption password associated with the communication connection command, and sends the communication connection command carrying the dynamic random encryption password to the upper computer through the connected first bluetooth module, and specifically comprises:
the frequency converter adopts a dynamic encryption mode to generate a dynamic random encryption password associated with a communication connection command, and sends the communication connection command carrying the dynamic random encryption password to the upper computer through the connected first Bluetooth module.
3. The communication method according to claim 1 or 2, wherein after the frequency converter generates a check code command for checking whether the established wireless communication connection continuously maintains the valid connection, and sends the generated check code command to the upper computer through the first bluetooth module of the connection to check whether the established wireless communication connection continuously maintains the valid connection, the method further comprises:
and the upper computer sends a function test instruction to the frequency converter for establishing the wireless communication connection through the connected second Bluetooth module, and carries out function test on the frequency converter for establishing the wireless communication connection.
4. A communication system, comprising:
frequency converter equipment and upper computer equipment;
the frequency converter equipment is used for generating a dynamic random encryption password associated with the communication connection command and sending the communication connection command carrying the dynamic random encryption password to the upper computer equipment;
the upper computer equipment is used for receiving the communication connection instruction carrying the dynamic random encryption password, decrypting the communication connection instruction and establishing wireless communication connection with the frequency converter equipment;
the frequency converter equipment is also used for generating a check code instruction for checking whether the established wireless communication connection continuously keeps the effective connection, and sending the generated check code instruction to the upper computer equipment to check whether the established wireless communication connection continuously keeps the effective connection.
5. The communication system of claim 4, wherein the frequency converter device comprises:
the device comprises a frequency converter and a first Bluetooth module;
the transmitting data port of the frequency converter is connected with the receiving data port of the first Bluetooth module, and the receiving data port of the frequency converter is connected with the transmitting data port of the first Bluetooth module;
the frequency converter is used for generating a dynamic random encryption password associated with a communication connection command and sending the communication connection command carrying the dynamic random encryption password to the upper computer equipment through the connected first Bluetooth module;
and the first Bluetooth module is used for sending a communication connection instruction carrying the dynamic random encryption password to the upper computer equipment.
The frequency converter is also used for generating a check code instruction for checking whether the established wireless communication connection continuously keeps the effective connection, and sending the generated check code instruction to the upper computer equipment through the connected first Bluetooth module to check whether the established wireless communication connection continuously keeps the effective connection;
the first Bluetooth module is further configured to send the generated check code instruction to the upper computer device.
6. The communication system according to claim 4 or 5, wherein the upper computer device includes:
the upper computer and the second Bluetooth module;
the data transmitting port of the upper computer is connected with the data receiving port of the second Bluetooth module, and the data receiving port of the upper computer is connected with the data transmitting port of the second Bluetooth module;
the upper computer is used for receiving the communication connection instruction carrying the dynamic random encryption password through the connected second Bluetooth module, decrypting the communication connection instruction and establishing wireless communication connection with the frequency converter equipment;
and the second Bluetooth module is used for receiving the communication connection instruction carrying the dynamic random encryption password.
7. The communication system according to claim 6, further comprising:
a test module;
the testing module is arranged in the upper computer equipment and used for sending a function testing instruction to the frequency converter equipment for establishing the wireless communication connection through the second Bluetooth module and carrying out function testing on the frequency converter equipment for establishing the wireless communication connection.
8. A frequency converter apparatus, comprising:
the device comprises a frequency converter and a first Bluetooth module;
the transmitting data port of the frequency converter is connected with the receiving data port of the first Bluetooth module, and the receiving data port of the frequency converter is connected with the transmitting data port of the first Bluetooth module;
the frequency converter is used for generating a dynamic random encryption password associated with a communication connection instruction, sending the communication connection instruction carrying the dynamic random encryption password to an upper computer device through the connected first Bluetooth module, and establishing wireless communication connection with the upper computer device through the communication connection instruction;
the first Bluetooth module is used for sending a communication connection instruction carrying the dynamic random encryption password to the upper computer equipment;
the frequency converter is also used for generating a check code instruction for checking whether the established wireless communication connection continuously keeps the effective connection, and sending the generated check code instruction to the upper computer equipment through the connected first Bluetooth module to check whether the established wireless communication connection continuously keeps the effective connection;
the first Bluetooth module is further configured to send the generated check code instruction to the upper computer device.
9. A host computer device, comprising:
the upper computer and the second Bluetooth module;
the data transmitting port of the upper computer is connected with the data receiving port of the second Bluetooth module, and the data receiving port of the upper computer is connected with the data transmitting port of the second Bluetooth module;
the upper computer is used for receiving a communication connection instruction which is sent by the frequency converter equipment and carries a dynamic random encryption password through the connected second Bluetooth module, decrypting the communication connection instruction and establishing wireless communication connection with the frequency converter equipment;
and the second Bluetooth module is used for receiving the communication connection instruction carrying the dynamic random encryption password.
10. The upper computer device according to claim 9, further comprising:
a test module;
the testing module is used for sending a function testing instruction to the frequency converter equipment for establishing the wireless communication connection through the second Bluetooth module and carrying out function testing on the frequency converter equipment for establishing the wireless communication connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811590264.1A CN111372206A (en) | 2018-12-25 | 2018-12-25 | Communication method, system and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811590264.1A CN111372206A (en) | 2018-12-25 | 2018-12-25 | Communication method, system and equipment |
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| CN111372206A true CN111372206A (en) | 2020-07-03 |
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| CN201811590264.1A Pending CN111372206A (en) | 2018-12-25 | 2018-12-25 | Communication method, system and equipment |
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| US20140016483A1 (en) * | 2012-07-11 | 2014-01-16 | Umang Raman Patel | Wireless multi-channel electronic signal measurement and generation device. |
| CN204028243U (en) * | 2014-06-25 | 2014-12-17 | 苏州汇川技术有限公司 | A kind of frequency converter debug system |
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Application publication date: 20200703 |