CN114459284A - Communication and transmission safety interlocking control method and system - Google Patents
Communication and transmission safety interlocking control method and system Download PDFInfo
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- CN114459284A CN114459284A CN202111597937.8A CN202111597937A CN114459284A CN 114459284 A CN114459284 A CN 114459284A CN 202111597937 A CN202111597937 A CN 202111597937A CN 114459284 A CN114459284 A CN 114459284A
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- 238000004891 communication Methods 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000005540 biological transmission Effects 0.000 title claims description 22
- 230000003993 interaction Effects 0.000 claims abstract description 63
- 238000010304 firing Methods 0.000 claims abstract description 13
- 230000007717 exclusion Effects 0.000 claims abstract description 12
- 230000003750 conditioning effect Effects 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41F—APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS; LAUNCHERS FOR ROCKETS OR TORPEDOES; HARPOON GUNS
- F41F1/00—Launching apparatus for projecting projectiles or missiles from barrels, e.g. cannons; Harpoon guns
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41F—APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS; LAUNCHERS FOR ROCKETS OR TORPEDOES; HARPOON GUNS
- F41F3/00—Rocket or torpedo launchers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41F—APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS; LAUNCHERS FOR ROCKETS OR TORPEDOES; HARPOON GUNS
- F41F5/00—Launching-apparatus for gravity-propelled missiles or projectiles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41F—APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS; LAUNCHERS FOR ROCKETS OR TORPEDOES; HARPOON GUNS
- F41F7/00—Launching-apparatus for projecting missiles or projectiles otherwise than from barrels, e.g. using spigots
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
Abstract
The invention provides an interlocking control method and system for communication and emission functions, wherein the method is realized by a microcontroller, a logic control circuit and a driving control circuit; the microcontroller is used for outputting a communication interaction enabling control signal or an ignition firing enabling control signal to the logic control circuit according to the command; the safety control software is configured on the microcontroller and used for controlling the mutual exclusion of a communication interaction enabling control signal or an ignition emission enabling control signal of the ammunition in time sequence; the logic control circuit is formed by converting and combining a plurality of NOT gate logic circuits and AND gate logic circuits and is used for carrying out interlocking control on two paths of enabling control signals on hardware, and interlocking and finishing when the two paths of enabling control signals exist simultaneously; otherwise, one path of signal is output to the drive control circuit; the drive control circuit is used for carrying out drive control according to the type of the received signal.
Description
Technical Field
The invention belongs to the technical field of signal processing, and relates to a communication and transmission safety interlocking control method and system.
Background
The invention relates to a communication and transmitting function safety interlocking control method suitable for carrier platforms such as airplanes, ships, vehicles and the like. The ammunition launching control system can be used for realizing tasks such as communication interaction, data setting, ammunition launching and the like between the launching control system and ammunition, and has the characteristics of comprehensive soft and hard control, good fault tolerance, high safety, strong anti-interference capability, good platform adaptability, low power consumption and the like.
At present, communication interaction and ignition launching between carrier platforms such as airplanes, ships, vehicles and the like and loaded ammunition are two most important task functions. These two task functions belong to different task profile phases and cannot occur simultaneously, with inevitable mutual exclusion in time. For example: when the firing control system and the ammunition are in communication interaction, a parameter setting task is generally executed, and if the firing task is executed at the moment, casualties and equipment damage can be caused; when the firing control system fires the ammunition, the ammunition is fired immediately after receiving the firing signal, and at the moment, the necessity of executing communication interaction does not exist. The normal operating sequence between the fire control system and the ammunition is: the method comprises the steps of firstly carrying out communication interaction, completing tasks such as ammunition detection, data setting and the like, and executing an ignition launching task after determining that the ammunition state is normal. Therefore, the communication and transmission functions need to be comprehensively controlled on software and hardware, and the mutual exclusion of the communication and transmission functions in time sequence and the interlocking of the two functions in function are realized, so that the safety of equipment and personnel is ensured to the maximum extent.
Disclosure of Invention
The invention mainly aims to provide a communication and transmitting function interlocking control method and system, which aim to solve the mutual exclusion and interlocking of functions between communication interaction and ignition and transmission of carrier platforms such as airplanes, ships, vehicles and the like and ensure the safety of equipment and personnel to the maximum extent.
In order to achieve the purpose, the invention provides an interlocking control method of communication and emission functions, which is realized by a microcontroller, a logic control circuit and a drive control circuit;
the microcontroller is used for outputting a communication interaction enabling control signal or an ignition emission enabling control signal to the ammunition to the logic control circuit according to the command; safety control software is configured on the microcontroller and used for controlling mutual exclusion of communication interaction enabling control signals or ignition emission enabling control signals of ammunition in time sequence;
the logic control circuit is formed by converting and combining a plurality of NOT gate logic circuits and AND gate logic circuits and is used for judging according to the following conditions: condition 1, if the received communication interaction enabling control signal contains the ignition emission enabling control signal; condition 2, if the communication interaction enabling control signal exists in the received ignition emission enabling control signal; if any one of the condition 1 or the condition 2 is established, carrying out interlocking control and ending; otherwise, outputting the enable control signal to the drive control circuit;
the drive control circuit is used for carrying out signal drive control according to the type of the received signal.
Particularly, the communication interaction enabling control signal sent by the microcontroller is output by adopting a single I/O port, and the ignition emission enabling control signal is output by adopting two I/O ports; when the first port outputs 1 and the second port outputs 0 in the two I/O ports which send out the ignition emission enabling control signals, the ignition emission enabling control signals are effective; the output form of the other logic combination of the two I/O ports indicates that the ignition transmission enabling control signal is invalid.
In particular, the logic control circuit further comprises: the logic control circuit is provided with two I/O ports with ports respectively connected with the ignition emission enabling control signals; after the ignition emission enabling control signals are integrated, generating integrated ignition emission enabling control signals; one path of the communication interaction enabling control signal received in the logic control circuit is connected with a first NOT gate logic circuit and then is connected with the integrated ignition emission enabling control signal together with the first AND gate logic circuit; and the other path of the integrated ignition emission enabling control signal is also connected with a second AND gate and then is connected with the communication interaction enabling control signal together with a second AND gate logic circuit.
In particular, said generating an integrated firing emission enabling control signal comprises: connecting a second port of two I/O ports which output ignition emission enabling control signals in the microcontroller with a third NOT gate logic circuit in the logic control circuit; and connecting the output signal of the first port and the signal output by the third NOT gate logic circuit with a third AND gate logic circuit to obtain a signal serving as the integrated ignition emission enabling control signal.
Particularly, the fourth not gate logic circuit and the fifth not gate logic circuit respectively receive and process signals output by the first and gate logic circuit and the second and gate logic circuit, and output the processed signals to the drive control circuit.
Particularly, the drive control circuit comprises a signal conditioning circuit, a signal output circuit and a watchdog circuit control circuit; when the signal received by the drive control circuit is determined to be a communication interaction enabling control signal, performing signal conditioning and drive output; or when the signal received by the drive control circuit is determined to be the ignition emission enabling control signal, after signal conditioning and drive output are executed, the signal is processed by the watchdog control circuit.
The invention also provides an interlocking control system with communication and transmitting functions, which comprises a microcontroller, a logic control circuit and a driving control circuit;
in the system, the microcontroller is used for outputting a communication interaction enabling control signal or an ignition firing enabling control signal to the ammunition to the logic control circuit according to a command; safety control software is configured on the microcontroller and used for controlling mutual exclusion of communication interaction enabling control signals or ignition emission enabling control signals of ammunition in time sequence;
the logic control circuit is formed by converting and combining a plurality of NOT gate logic circuits and AND gate logic circuits and is used for judging according to the following conditions: condition 1, if the received communication interaction enabling control signal contains the ignition emission enabling control signal; condition 2, if the communication interaction enabling control signal exists in the received ignition emission enabling control signal; if any one of the condition 1 or the condition 2 is established, carrying out interlocking control and ending; otherwise, outputting the enable control signal to the drive control circuit;
the drive control circuit is used for carrying out drive control according to the type of the received signal.
By adopting the method and the system of the invention, the following technical effects can be achieved.
1. The invention can carry out comprehensive control on communication and emission on software and hardware, thereby ensuring correct time sequence of communication;
2. the invention can realize interlocking of the two functions in function, thereby ensuring the safety of equipment and personnel to the maximum extent;
3. the logic control circuit realizes function interlocking through a simple AND gate logic circuit and an OR gate logic circuit, and has simple implementation and high efficiency.
Drawings
FIG. 1 is a schematic block diagram of a communication and transmission safety interlock control method according to the present invention;
FIG. 2 is a flowchart illustrating a communication and transmission safety interlock control method according to the present invention.
Detailed Description
In order to solve the technical problems, the invention provides a communication and launching safety interlocking control method which is realized by a microcontroller, a logic control circuit and a driving control circuit in order to meet the requirements of safety and fault tolerance of functional tasks executed between various carrier platforms and loaded ammunition and improve the safety control and anti-interference capability levels of the carrier platforms;
the microcontroller is used for outputting a communication interaction enabling control signal or an ignition emission enabling control signal to the ammunition to the logic control circuit according to the command; safety control software is configured on the microcontroller and used for controlling mutual exclusion of communication interaction enabling control signals or ignition emission enabling control signals of ammunition in time sequence;
the microcontroller 1 is provided with safety control software, communication interaction enabling control and ignition launching enabling control of ammunition are completed according to missions, enabling control signals of two functions achieve mutual exclusion in time sequence, and the safety control software ensures that the enabling control signals of the two functions are not output simultaneously in time sequence logic. And, to improve the safety of the firing emission, the firing emission enable signal is represented using a binary I/O specific logical combination.
The logic control circuit 2 receives the enable control signals of two functions output by the microcontroller 1, and the communication interaction function and the ignition emission function are interlocked through internal logic conversion and combination of the logic control circuit 2. The specific logic control functions are as follows:
firstly, when the microcontroller 1 outputs a communication interaction enabling control signal and does not output an ignition emission enabling control signal, the logic control circuit 2 keeps the communication interaction enabling control signal effective;
secondly, when the microcontroller 1 outputs an ignition emission enabling control signal and does not output a communication interaction enabling control signal, the logic control circuit 2 keeps the ignition emission enabling control signal effective;
when the microcontroller 1 outputs the communication interaction enabling control signal, if the ignition emission enabling control signal is output later, the output ignition emission enabling control signal is set to be in an invalid state, meanwhile, the communication interaction enabling control signal output in the front is also set to be in an invalid state, the two enabling signals are interlocked, the logic control circuit 2 keeps a state without an output signal, and the equipment is judged to be in a fault state;
when the microcontroller 1 outputs the ignition emission enabling control signal, if the communication interaction enabling control signal is output later, the output communication interaction enabling control signal is set to be in an invalid state, meanwhile, the ignition emission enabling control signal output previously is also set to be in an invalid state, the two enabling signals are interlocked, the logic control circuit 2 keeps a no-output-signal state, and at the moment, the equipment fault is judged.
Specifically, the microcontroller 1 in the present embodiment includes: the microcontroller with the ultra-low power consumption singlechip comprises safety control software, and completes the communication interaction enabling control and the ignition launching enabling control of the ammunition according to the mission. The enable control signals of the two functions realize mutual exclusion in time sequence, and the safety control software ensures that the enable control signals of the two functions are not output at the same time in time sequence logic. The communication interaction enabling control adopts single-path I/O port output, the port output of 1 indicates that the communication enabling is effective, and the port output of 0 indicates that the communication control enabling is ineffective. The ignition emission enabling control adopts a double-bit I/O port specific logic combination output, and when the port of the ignition emission control 1 outputs 1 and the port of the ignition emission control 0 outputs 0, the emission control enabling is effective; other output forms of the ports "fire emission control 1" and "fire emission control 0" both indicate that the emission control enable is disabled. The safety of the firing emission is improved by using a dual bit I/O specific logic combinational output.
The logic control circuit 2 in the example includes: the interlocking control of the received enabling control signals with two functions of communication interaction and ignition emission is realized through the transformation and combination of the NOT gate logic circuit and the AND gate logic circuit.
The specific logic control functions of the logic control circuit 2 are:
firstly, when receiving the output of '1' from the 'communication interactive control' port of the microcontroller 1, one path of '1' signal enters the AND gate logic circuit 12, and is output after being combined with the signal in the 'ignition emission control' state after passing through the NOT gate logic circuit 15, when the 'ignition emission control' enable control signal is '0', the signal is output as '1' through the NOT gate logic circuit 15, and the two paths of '1' are inverted through the AND gate logic circuit 12 and then are finally output as communication control signals through the NOT gate logic circuit 17; the other path of '1' signal is converted into a '0' signal through the NOT gate logic circuit 11, and the locking 'ignition emission control' output is invalid.
When receiving that the port of the ignition emission control 1 of the microcontroller 1 outputs ' 1 ' and the port of the ignition emission control 0 outputs ' 0 ', the port of the ignition emission control 0 outputs ' 0 ' signals which are converted into ' 1 ' signals through the not gate 13, the two paths of ' 1 ' signals are subjected to ' AND ' and ' then output ' 1 ' through the AND gate logic circuit 14, one path of ' 1 ' signals enter the second-stage AND gate logic circuit 16 and are output after being combined with signals in a ' communication interaction control ' state after passing through the not gate logic circuit 11, when the ' communication interaction control ' enables the control signals to be ' 0 ', the signals are output to be ' 1 ' through the not gate logic circuit 11, and the two paths of ' 1 ' signals are subjected to ' AND ' through the AND gate logic circuit 16 and then are inverted through the not gate 18 and finally output to be emission control signals; the other path of '1' signal is converted into a '0' signal through the NOT gate logic circuit 15, and the locking 'communication interaction control' output is invalid.
When receiving the 'communication interaction control' port output '1' of the microcontroller 1, if subsequently receiving the 'ignition transmission control 1' port output '1' and the 'ignition transmission control 0' port output '0', the 'communication interaction control' and the 'ignition transmission control' simultaneously generate an interlocking signal, the 'ignition transmission' enable control signal is set to be in an invalid state, the 'communication interaction' enable control signal is also set to be in an invalid state, the two enable signals are interlocked, the logic control circuit 2 keeps a no-output signal state, and at this moment, the device is determined to be in a fault state.
When receiving the port output 1 of the ignition emission control 1 and the port output 0 of the ignition emission control 0 of the microcontroller 1, if receiving the port output 1 of the communication interaction control, the communication interaction control and the ignition emission control simultaneously generate interlocking signals, the communication interaction enable control signal is set to be in an invalid state, the ignition emission enable control signal is also set to be in an invalid state, the two enable signals are interlocked, the logic control circuit 2 keeps a state without output signals, and the device is judged to be in a fault state.
In conclusion, when the communication interaction control is effective and the ignition emission control is ineffective, the logic control circuit can normally output a communication control signal; when the ignition emission control is effective and the communication interaction control is ineffective, the logic control circuit can normally output an emission control signal, and the rest logic states are not output.
The drive control circuit 3 in the example includes: signal conditioning 21 and 23, drive outputs 22 and 24, and hardware watchdog control 25. The signal conditioners 21 and 23 receive the output signals of the logic control circuit 2 and condition the output signals into signals which can be received by the driving output circuits 22 and 24; the drive outputs 22 and 24 further amplify the control signal to achieve sufficient output current requirements to output the power signal required to complete the task. The hardware watchdog control circuit 25 further controls the ignition transmitting signal to prevent the system from being output by mistake under the condition of dead halt.
The working flow of the communication and transmission safety interlock control method of the present example is shown in fig. 2.
The microcontroller 1 selects to execute communication interaction or ignition transmitting process according to mission tasks. When the communication interaction process is selected to be executed, the microcontroller 1 outputs a communication control signal, and the logic control circuit 2 judges whether the transmission control signal exists at the same time through internal logic combination after receiving the communication control signal. If the transmission control signal exists, the logic control circuit 2 generates an interlocking signal, no output is kept, and the working process is finished. If no emission control signal exists, the logic control circuit 2 normally outputs a communication control signal, and the communication control signal is sent to the drive control circuit 3 for signal conditioning and drive amplification, and the working process is finished. When the ignition transmitting process is selected to be executed, the microcontroller 1 outputs a transmitting control signal, and the logic control circuit 2 judges whether a communication control signal exists at the same time through internal logic combination after receiving the transmitting control signal. If the communication control signal exists, the logic control circuit 2 generates an interlocking signal, no output is kept, and the working process is finished. If no communication control signal exists, the logic control circuit 2 normally outputs an emission control signal, the emission control signal is sent to the drive control circuit 3 for signal conditioning and drive amplification, and the working process is finished after the emission control signal passes through the watchdog control circuit.
The invention also provides an interlocking control system with communication and transmitting functions, which comprises a microcontroller, a logic control circuit and a driving control circuit;
in the system, the microcontroller is used for outputting a communication interaction enabling control signal or an ignition firing enabling control signal to the ammunition to the logic control circuit according to a command; safety control software is configured on the microcontroller and used for controlling mutual exclusion of communication interaction enabling control signals or ignition emission enabling control signals of ammunition in time sequence;
the logic control circuit is formed by converting and combining a plurality of NOT gate logic circuits and AND gate logic circuits and is used for judging according to the following conditions: condition 1, if the received communication interaction enabling control signal contains the ignition emission enabling control signal; condition 2, if the communication interaction enabling control signal exists in the received ignition emission enabling control signal; if any one of the condition 1 or the condition 2 is established, carrying out interlocking control and ending; otherwise, outputting the enable control signal to the drive control circuit;
the drive control circuit is used for carrying out drive control according to the type of the received signal. The technical features in the system correspond to those in the previous embodiments of the method one to one, and thus are not described again.
It will be evident to those skilled in the art that the embodiments of the present invention are not limited to the details of the foregoing illustrative embodiments, and that the embodiments of the present invention are capable of being embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the embodiments 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. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. Several units, modules or means recited in the system, apparatus or terminal claims may also be implemented by one and the same unit, module or means in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention and not for limiting, and although the embodiments of the present invention are described in detail with reference to the above preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the embodiments of the present invention without departing from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. An interlocking control method for communication and transmitting functions is characterized in that: the method is realized by a microcontroller, a logic control circuit and a drive control circuit;
the microcontroller is used for outputting a communication interaction enabling control signal or an ignition emission enabling control signal to the ammunition to the logic control circuit according to the command; safety control software is configured on the microcontroller and used for controlling mutual exclusion of communication interaction enabling control signals or ignition emission enabling control signals of ammunition in time sequence;
the logic control circuit is formed by converting and combining a plurality of NOT gate logic circuits and AND gate logic circuits and is used for judging according to the following conditions: condition 1, if the received communication interaction enabling control signal contains the ignition emission enabling control signal; condition 2, if the communication interaction enabling control signal exists in the received ignition emission enabling control signal; if any one of the condition 1 or the condition 2 is established, carrying out interlocking control and ending; otherwise, outputting the enable control signal to the drive control circuit;
the drive control circuit is used for carrying out drive control according to the type of the received signal.
2. The interlocking control method of communication and transmission functions of claim 1, wherein: the communication interaction enabling control signal sent by the microcontroller is output by adopting a single I/O port, and the ignition emission enabling control signal is output by adopting two I/O ports; when the first port outputs 1 and the second port outputs 0 in the two I/O ports which send out the ignition emission enabling control signals, the ignition emission enabling control signals are effective; the output form of the other logic combination of the two I/O ports indicates that the ignition transmission enabling control signal is invalid.
3. The interlocking control method of communication and transmission functions of claim 2, wherein: the logic control circuit further comprises: the logic control circuit is provided with two I/O ports with ports respectively connected with the ignition emission enabling control signals; after the ignition emission enabling control signals are integrated, generating integrated ignition emission enabling control signals; one path of the communication interaction enabling control signal received in the logic control circuit is connected with a first NOT gate logic circuit and then is connected with the integrated ignition emission enabling control signal together with the first AND gate logic circuit; and the other path of the integrated ignition emission enabling control signal is also connected with a second AND gate and then is connected with the communication interaction enabling control signal together with a second AND gate logic circuit.
4. The interlocking control method of communication and transmission functions of claim 3, wherein: said generating an integrated firing emission enable control signal comprises: connecting a second port of two I/O ports which output ignition emission enabling control signals in the microcontroller with a third NOT gate logic circuit in the logic control circuit; and connecting the output signal of the first port and the signal output by the third NOT gate logic circuit with a third AND gate logic circuit to obtain a signal serving as the integrated ignition emission enabling control signal.
5. The interlocking control method of communication and transmission functions of claim 4, wherein: and the fourth NOT gate logic circuit and the fifth NOT gate logic circuit respectively receive and process signals output by the first AND gate logic circuit and the second AND gate logic circuit, and the processed signals are output to the drive control circuit.
6. The interlocking control method of communication and transmission functions of claim 5, wherein: the drive control circuit comprises a signal conditioning circuit, a signal output circuit and a watchdog circuit control circuit; when the signal received by the drive control circuit is determined to be a communication interaction enabling control signal, performing signal conditioning and drive output; or when the signal received by the drive control circuit is determined to be the ignition emission enabling control signal, after signal conditioning and drive output are executed, the signal is processed by the watchdog control circuit.
7. An interlocking control system for communication and transmitting functions, characterized in that: the system comprises a microcontroller, a logic control circuit and a drive control circuit;
in the system, the microcontroller is used for outputting a communication interaction enabling control signal or an ignition firing enabling control signal to the ammunition to the logic control circuit according to a command; safety control software is configured on the microcontroller and used for controlling mutual exclusion of communication interaction enabling control signals or ignition emission enabling control signals of ammunition in time sequence;
the logic control circuit is formed by converting and combining a plurality of NOT gate logic circuits and AND gate logic circuits and is used for judging according to the following conditions: condition 1, if the received communication interaction enabling control signal contains the ignition emission enabling control signal; condition 2, if the communication interaction enabling control signal exists in the received ignition emission enabling control signal; if any one of the condition 1 or the condition 2 is established, carrying out interlocking control and ending; otherwise, outputting the enable control signal to the drive control circuit;
the drive control circuit is used for carrying out drive control according to the type of the received signal.
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| CN112271771A (en) * | 2020-10-14 | 2021-01-26 | 吴斌 | Fill electric pile remote control interlocking control circuit |
| CN113141107A (en) * | 2021-04-27 | 2021-07-20 | 微山县微山湖微电子产业研究院有限公司 | Drive signal interlocking circuit |
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