CN114035527A - Control system and control method for master-slave communication configuration of mobile power supply leasing equipment - Google Patents
Control system and control method for master-slave communication configuration of mobile power supply leasing equipment Download PDFInfo
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Abstract
The application relates to a control system and a control method for master-slave communication configuration of mobile power supply leasing equipment, wherein the control system for master-slave communication configuration of the mobile power supply leasing equipment comprises the following steps: the slave computer is used for carrying out master-slave communication configuration with the host computer under the condition that a power supply input port of the slave computer is connected with a preset power supply and responds to the received response information broadcasted by the host computer for the first time; the switch module is used for controlling whether a power supply input port of the slave is connected with a preset power supply or not; and the master machine is used for controlling the corresponding switch module to be in a switch state of controlling the power input ports of all the slave machines behind the slave machine to be disconnected with the preset power supply in the process of carrying out master-slave communication configuration with the corresponding slave machines. By the method and the device, the problems that the number of cores of the communication cable needs to be increased and the resource cost needs to be increased when the serial bus is adopted to set the slave address in the related technology are solved, master-slave communication configuration is completed without increasing the number of cores of the communication cable, master-slave configuration efficiency is improved, and cost is reduced.
Description
Technical Field
The application relates to the technical field of mobile power supply leasing equipment, in particular to a control system and a control method for master-slave communication configuration of the mobile power supply leasing equipment.
Background
In a master-slave communication system in the field of shared charging, a master and a plurality of slaves communicate with each other in a master polling manner in order to prevent bus collision, and therefore, the master needs to know the addresses of the slaves in advance. During the operation of the master and the slave, the configuration structures corresponding to the master and the slave change along with the maintenance, installation and replacement of corresponding equipment, and the master needs to acquire the address of the corresponding slave again every time the master and the slave change; in the related technology, the addresses of the slaves are acquired to complete master-slave configuration, the addresses of the slaves need to be manually entered, and the efficiency and accuracy of manually entering the addresses are low; meanwhile, in the related art, the host acquires the address of the slave and sets the address through an additional serial bus, but the serial bus is used for setting the address, so that additional cables and IO (input output) resources are consumed, and the cost is increased by increasing the number of cable cores.
Aiming at the problems that the number of communication cable cores needs to be increased and the resource cost needs to be increased when a serial bus is adopted to set slave addresses in the related art, no effective solution is provided at present.
Disclosure of Invention
The embodiment provides a control system and a control method for master-slave communication configuration of a portable power source leasing device, so as to solve the problems that the number of cores of a communication cable needs to be increased and the resource cost needs to be increased when a serial bus is adopted to set slave addresses in the related art.
In a first aspect, in this embodiment, a control system for master-slave communication configuration of a mobile power supply leasing device is provided, including a host, a switch module controlled to be connected to the host, and a plurality of slaves connected to the switch module, where the host is further connected to the plurality of slaves through a communication bus, a power input port of the host is connected to a power supply module, a power output port of the host is connected to the switch module, and outputs a preset power supply, where the switch module is used to control whether a power input port of the slave is connected to the preset power supply; the slave is used for performing master-slave communication configuration with the host under the condition that a preset power supply is accessed to a power supply input port of the slave and the received response information broadcasted by the host is responded for the first time; the master is further configured to control the switch module to be in a switch state in which the power input ports of all the slaves behind the slave are controlled to be disconnected from a preset power supply in a master-slave communication configuration process with the corresponding slaves.
In some embodiments, the switch module includes a plurality of first controlled switch units, the master is connected to the plurality of first controlled switch units, a power output port of the master is connected to a power input port of a first slave in the plurality of slaves, a power output port of each slave in the plurality of slaves is connected to a power input port of a subsequent slave, and a power input port and a power output port of each slave are connected through the first controlled switch unit, where the first controlled switch unit is configured to control on/off of the power input port and the power output port of the slave; the master machine is further configured to control the corresponding first controlled switch unit to be in a switch state of disconnecting the power input port and the power output port of the slave machine in a master-slave communication configuration process with the corresponding slave machine.
In some embodiments, the control system further includes a first state detection module, where the first state detection module is connected to the master and the plurality of slaves respectively, and the first state detection module is configured to detect an operating state of the slave currently performing master-slave communication configuration with the master; and the master machine is also used for controlling the corresponding first controlled switch unit to communicate the power supply input port and the power supply output port of the slave machine which completes master-slave communication configuration under the condition that the working state indicates that the slave machine completes master-slave communication configuration.
In some embodiments, the control system further includes a second status detection module, where the second status detection module is connected to the master and the plurality of slaves respectively, and is configured to detect an operating status of each slave; and the master is further used for controlling the corresponding first controlled switch unit to communicate the power supply input port and the power supply output port of the slave under the condition that the working state indicates that the slave works abnormally.
In some embodiments, the first controlled switch unit includes an electrically controlled switch, the electrically controlled switch includes two connection terminals and an electrically controlled terminal, the two connection terminals are respectively connected with the power input port and the power output port of the slave, and the electrically controlled terminal is connected with the master; the electric control switch is used for keeping a normally closed state and is disconnected under the condition that an electric signal of the electric control end is overturned.
In some embodiments, the electrically controlled switch includes a relay and a driving circuit, the relay includes a first port, a second port, a third port and a fourth port, the driving circuit includes a first input end, a first controlled end and a first output end, the first port is connected to a power supply, the second port is connected to the first input end, the third port is connected to a power input port of the slave, the fourth port is connected to a power output port of the slave, the first controlled end is in butt joint with the electrically controlled end, and the first output end is grounded, wherein the driving circuit is configured to control on/off of the first input end and the first output end according to a corresponding electrical signal received by the electrically controlled end; the relay is used for controlling the third port and the fourth port to be disconnected when the first input end is communicated with the first output end, and controlling the third port and the fourth port to be communicated when the first input end is disconnected with the first output end; the electric control switch is in a normally closed state when the third port and the fourth port are communicated, so that the power input port and the power output port of the slave are communicated, and when the third port and the fourth port are disconnected, the power input port and the power output port of the slave are disconnected correspondingly.
In some embodiments, the driving circuit includes a switching tube, a first resistor and a second resistor, an input end of the switching tube is connected to the first input end, a control end of the switching tube is electrically connected to the first resistor and the second resistor, respectively, another end of the first resistor is electrically connected to the electric control end, another end of the second resistor is connected to an output end of the switching tube and is grounded, and the switching tube is configured to control on/off of the input end and the output end of the switching tube according to a corresponding electric signal received by the electric control end.
In some embodiments, the switch module includes a plurality of second controlled switch units, the master is connected to control ends of the plurality of second controlled switch units, a power output port of the master is connected to input ends of the plurality of second controlled switch units, and output ends of the plurality of second controlled switch units are connected to power input ports of corresponding slaves, where the second controlled switch units are configured to control on and off of input ends and output ends of the second controlled switch units; the master is further configured to control the input end and the output end of the second controlled switch unit corresponding to the slave behind the slave to be in a disconnected state in a process of performing master-slave communication configuration with the corresponding slave.
In a second aspect, in this embodiment, a method for controlling master-slave communication configuration of a mobile power supply rental apparatus is provided, including a control system for master-slave communication configuration of a mobile power supply rental apparatus in the first aspect, the method includes: the master machine broadcasts response information to the multiple slave machines through the communication bus and determines a target slave machine which responds to the response information, wherein the target slave machine comprises a power supply input port which is connected with a preset power supply and responds to the slave machine which receives the response information for the first time; the host acquires preset configuration signaling data and sends the configuration signaling data to the target slave machine, wherein the configuration signaling data carries address information to be configured corresponding to the target slave machine; and the host controls the switch module to be in a switch state of disconnecting the power input ports of all the slave machines behind the target slave machine from a preset power supply in the process of updating the address of the target slave machine based on the address information to be configured until the target slave machine finishes updating the address.
In some embodiments, the obtaining, by the master, preset configuration signaling data, and sending the configuration signaling data to the target slave includes: the host acquires first unused address information from an address list arranged in sequence, wherein the address signal to be configured comprises the first unused address information; and the host sends a preset address configuration instruction and the first unused address information as the configuration signaling to the target slave.
In some of these embodiments, before the master broadcasts response information to a plurality of the slaves over the communication bus, the method further comprises: the host machine detects whether slave machine address configuration updating is carried out or not, and controls a power supply input port of the target slave machine to be connected with a preset power supply under the condition that the address configuration updating is detected, wherein the preset power supply connected with the power supply input port of the target slave machine comprises the power supply output by the switch module.
In some of these embodiments, the control method further comprises: after the target slave completes the address update, the master broadcasts response information to the plurality of slaves again through the communication bus; and the host determines that the plurality of slave machines finish address updating when the slave machines do not respond within preset response time.
In a third aspect, in the present embodiment, a storage medium is provided, on which a computer program is stored, and the program, when executed by a processor, implements the control method for master-slave communication configuration of a mobile power supply rental apparatus described in the second aspect.
Compared with the related art, the control system, the control method and the storage medium for master-slave communication configuration of the mobile power supply leasing equipment provided by the embodiment of the invention comprise a host, a switch module controlled to be connected to the host and a plurality of slaves connected with the switch module, wherein the host is also connected with the slaves through a communication bus; the switch module is used for controlling whether a power supply input port of the slave is connected with a preset power supply or not; the slave computer is used for performing master-slave communication configuration with the host computer under the condition that a preset power supply is connected to a power supply input port of the slave computer and the received response information broadcasted by the host computer is responded for the first time; the master machine is also used for controlling the switch module to be in a switch state of controlling the power input ports of all slave machines behind the slave machine to be disconnected from a preset power supply in the process of carrying out master-slave communication configuration with the corresponding slave machine, so that the problems that the number of cores of communication cables needs to be increased and the resource cost needs to be increased when the slave machine address is set by adopting a serial bus in the related art are solved, the master-slave communication configuration is completed without increasing the number of cores of the communication cables, the master-slave configuration efficiency is improved, and the cost is reduced.
The details of one or more embodiments of the application are set forth in the accompanying drawings and the description below to provide a more thorough understanding of the application.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a block diagram of a control system of a master-slave communication configuration of a mobile power supply rental apparatus according to an embodiment of the present application.
Fig. 2 is a first structural block diagram of a control system of a master-slave communication configuration of a mobile power supply rental apparatus according to a preferred embodiment of the present application.
Fig. 3 is a schematic structural diagram of a control system of a master-slave communication configuration of a mobile power supply rental apparatus according to a preferred embodiment of the present application.
Fig. 4 is a third schematic structural diagram of a control system of a master-slave communication configuration of a mobile power supply rental apparatus according to a preferred embodiment of the present application.
Fig. 5 is a schematic diagram of the connection between the first controlled switch unit and the slave in this embodiment.
Fig. 6 is a schematic diagram of a topology of a first controlled switching cell according to an embodiment of the application.
Fig. 7 is a block diagram of a control system of a master-slave communication configuration of a mobile power supply rental apparatus according to a preferred embodiment of the present application.
Fig. 8 is a flowchart of a control method according to an embodiment of the present application.
Fig. 9 is a flowchart of a control method according to a preferred embodiment of the present application.
Detailed Description
For a clearer understanding of the objects, aspects and advantages of the present application, reference is made to the following description and accompanying drawings.
Unless defined otherwise, technical or scientific terms used herein shall have the same general meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of this application do not denote a limitation of quantity, either in the singular or the plural. The terms "comprises," "comprising," "has," "having," and any variations thereof, as referred to in this application, are intended to cover non-exclusive inclusions; for example, a process, method, and system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or modules, but may include other steps or modules (elements) not listed or inherent to such process, method, article, or apparatus. Reference throughout this application to "connected," "coupled," and the like is not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. Reference to "a plurality" in this application means two or more. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. In general, the character "/" indicates a relationship in which the objects associated before and after are an "or". The terms "first," "second," "third," and the like in this application are used for distinguishing between similar items and not necessarily for describing a particular sequential or chronological order.
Fig. 1 is a block diagram of a control system of a master-slave communication configuration of a portable power supply leasing device according to an embodiment of the present invention, and as shown in fig. 1, the control system includes a master 100, a switch module 300 controlled to be connected to the master 100, and a plurality of slaves 200 connected to the switch module, the master 100 is connected to the plurality of slaves 200 through a communication bus 400, a power input port of the master 100 is connected to a power supply module 500, a power output port 11 of the master 100 is connected to the switch module 300, and outputs a predetermined power, wherein,
the switch module 300 is configured to control whether the power input port 21 of the slave 200 is connected to a preset power supply.
In this embodiment, the switch module 300 is connected to the power output port 11 of the host 100, so that after the host 100 accesses the power supply module 500 to input a corresponding power, the corresponding preset power is output along the power output port 11; in this embodiment, the switch module 300 may be composed of a plurality of controlled switch units that are controlled and connected in parallel with the master 100, one end of each controlled switch unit is connected to the power output port of the master 100, and the other end is connected to the power input port 21 of the slave 200; the slave device may further include a plurality of controlled switch units controlled by the master device 100 and arranged in series, an input terminal of a leading controlled switch unit of the controlled switch units connected in series is connected to a power output terminal of the master device 100 and a power input terminal of a leading slave device 200 of the plurality of slave devices 200, an output terminal of the controlled switch unit is connected to a power output port of the corresponding slave device 200, at this time, a preset power input along a power input port 21 of the slave device 200 is not output from the power output port 22, the power output port 22 of the slave device 200 is isolated from a circuit system inside the slave device 200, that is, the power input port 21 is not communicated with the power output port 22, and the power output port 22 is an isolated electrical terminal and is only used for being connected to the power input port 21 of the next slave device 200.
The slave 200 is configured to perform master-slave communication with the master 100 when the power input port 21 of the slave 200 is connected to a preset power and the received response information broadcast by the master 100 is responded for the first time.
In the present embodiment, the preset power received from the power input port 21 of the slave 200 includes one of the following: after the master-slave communication configuration is completed by the previous slave 200, the master 100 controls the corresponding controlled switch units in the plurality of controlled switch units connected in parallel to be opened, and outputs the preset power to the power input port 21 of the slave 200, and the previous slave 200 performs short-circuit connection between the power input port 21 and the power output port 22 of the previous slave 200 and transmits the preset power downwards after the master-slave communication configuration is completed; in this embodiment, when the master 100 broadcasts the response information, it broadcasts the response information to the slaves 200 through the communication bus 400, and after the slaves 200 receive the corresponding response information, it determines whether to respond according to different situations, in this embodiment, a preset power input along the power input port 21 of the slave 200 is used for starting the slaves 200, and when the power input port 21 of the slave 200 does not access the preset power, it indicates that the slave 200 is not turned on and cannot respond to the response information, and when the power input port 21 of the slave 200 accesses the preset power, but the slave 200 has already completed the master-slave communication configuration of the present round, that is, the slave 200 before the slave 200 that is currently performing the master-slave communication configuration, and the slave 200 does not respond to the response information.
The master 100 is further configured to control the switch module 300 to be in a switch state of controlling the power input ports 21 of all the slaves 200 behind the slave 200 to be disconnected from the preset power supply during the master-slave communication configuration process with the corresponding slaves 200.
In the present embodiment, the switch module 300 is turned on to power the slave 200 currently performing the master-slave communication configuration with the master 100; in this embodiment, when the slave 200 and the master 100 perform the master-slave communication configuration, the master 100 sends a corresponding control signal, and the switch module 300 enables all the slaves 200 behind the slave 200 to be in the non-turned-on state.
It should be noted that, in the present application, the master 100 and the slave 200 are both single complete machines corresponding to the portable power source rental equipment, that is, the portable power source rental equipment can operate independently.
The control system for master-slave communication configuration of the mobile power supply leasing equipment provided by the embodiment is characterized in that the master 100 broadcasts a response message, the slave 200 to be configured is determined by responding to the response message, and meanwhile, the master 100 controls the switch module 300 to enable the power input port 21 of the slave 200 behind the slave 200 not to be connected with a preset power supply, so that the slave 200 sequentially completes master-slave communication configuration.
Fig. 2 is a first structural block diagram of a control system configured by master-slave communication of a mobile power supply rental apparatus according to a preferred embodiment of the present invention, as shown in fig. 2, a switch module 300 includes a plurality of first controlled switch units 301, a master 100 is connected to the plurality of first controlled switch units 301, a power output port 11 of the master 100 is connected to a power input port 21 of a first slave 200 of a plurality of slaves 200, a power output port 22 of each slave 200 of the plurality of slaves 200 is connected to a power input port 21 of a subsequent slave 200, the power input port 21 of each slave 200 is connected to the power output port 22 through the first controlled switch unit 301, wherein,
and a first controlled switch unit 301 for controlling the on/off of the power input port 21 and the power output port 22 of the slave 200.
In the present embodiment, the preset power input along the power input port 21 of the slave 200 is not output from the power output port 22, and in the present embodiment, the power output port 22 of the slave 200 is isolated from the internal circuitry of the slave 200, that is, when the power input port 21 is not communicated with the power output port 22, the power output port 22 is an isolated electrical terminal and is only used for being connected with the power input port 21 of the next slave 200.
In some optional embodiments, the power output port 22 may not be provided, and the power input port 21 of each slave 200 is connected through the first controlled switch unit 301, and the control of whether to transfer the preset power downward is performed through the first controlled switch unit 301.
The master 100 is further configured to control the corresponding first controlled switch unit 301 to be in a switch state of disconnecting the power input port 21 and the power output port 22 of the slave 200 during the master-slave communication configuration process with the corresponding slave 200.
In this embodiment, the corresponding first controlled switch unit 301 is the first controlled switch unit 301 connected to the slave 200 currently performing master-slave communication configuration with the master 100; in this embodiment, when the slave 200 and the master 100 perform the master-slave communication configuration, the master 100 sends out the corresponding control signal to make all the slaves 200 behind the slave 200 in the non-turned-on state, and the slaves 200 in front of the slaves 200 complete the master-slave communication configuration, at this time, the master 100 controls the power input ports 21 and the power output ports 22 of the slaves 200 to communicate with each other, so that the preset power output along the master 100 is sequentially transmitted downward to the slaves 200 performing the master-slave communication configuration with the master 100, and meanwhile, in order to avoid downward transmission of the preset power, the master 100 controls the first controlled switch unit 301 corresponding to the slave 200 to disconnect the power input port 21 and the power output port 22 of the slave 200, and prevents the preset power from being continuously transmitted downward to trigger the start of the subsequent slaves 200.
It should be noted that, in this embodiment, the master 100 broadcasts the response message, and determines the slave 200 to be configured by responding to the response message, and at the same time, the master 100 controls the corresponding first controlled switch unit 301 to disconnect the power input port 21 and the power output port 22 of the slave 200 in the master-slave configuration, so as to determine that the slave 200 sequentially completes the master-slave communication configuration, thereby further solving the problems that the number of cores of the communication cable needs to be increased and the resource cost needs to be increased when the serial bus is used to set the slave address, and achieving the purpose of completing the master-slave communication configuration without increasing the number of cores of the communication cable, improving the master-slave configuration efficiency, and reducing the cost.
Fig. 3 is a schematic structural diagram of a control system configured by master-slave communication of a mobile power supply rental apparatus according to a preferred embodiment of the present application, referring to fig. 3, in some embodiments, the control system further includes a first status detection module 600, the first status detection module 600 is connected to the master 100 and the plurality of slaves 200 respectively, wherein,
the first state detection module 600 is configured to detect an operating state of the slave 200 currently performing a master-slave communication configuration with the master 100.
In this embodiment, the first status detecting module 600 may be integrated with the status detecting unit of the host 100, or may be an independent status detecting unit.
In this embodiment, after the master 100 receives the response signal of the slave 200 responding to the response information, the first status detection module 600 controls the first status detection module 600 connected to the slave 200 to start the detection of the working status by the master 100, and determines the working status of the slave 200 in real time; in this embodiment, the first state detecting module 600 is mainly used to detect whether the slave 200 completes the master-slave communication configuration with the master 100, and when the first state detecting module 600 detects that the slave 200 completes the master-slave communication configuration, the master 100 performs corresponding control.
The master 100 is further configured to control the corresponding first controlled switch unit 301 to be in a switch state of communicating the power input port 21 and the power output port 22 of the slave 200 that completes the master-slave communication configuration when the operating state indicates that the slave 200 completes the master-slave communication configuration.
In this embodiment, when the first state detection module 600 detects that the slave 200 completes the corresponding master-slave communication configuration, it indicates that the next master-slave communication configuration of the slave 200 is possible, at this time, the master 100 controls the first controlled switch unit 301 to control the power input port 21 and the power output port 22 of the slave 200 to communicate with each other, so that the corresponding preset power is transmitted to the power input port 21 of the next slave 200, and the next slave 200 is powered on to start up, and starts the master-slave communication configuration (address information configuration).
Fig. 4 is a schematic structural diagram of a control system configured by master-slave communication of a mobile power supply rental apparatus according to a preferred embodiment of the present application, referring to fig. 4, in some embodiments, the control system further includes a second status detection module 700, the second status detection module 700 is respectively connected to the master 100 and the plurality of slaves 200, wherein,
and a second state detection module 700 for detecting the operating state of each slave 200.
In this embodiment, the second state detection module 700 detects whether the working state of the slave 200 before the slave 200 that does not complete the master-slave communication configuration is abnormal, and when the abnormality is detected, the master 100 controls the corresponding first controlled switch unit 301 to be in the switch state that maintains the power input port 21 and the power output port 22 of the slave 200 in the communication state by feeding back the corresponding working state signal to the master 100, so that the preset power supply is maintained to be transmitted downward to supply power, and the slave 200 to be configured and configured can complete the master-slave communication configuration; in this embodiment, the second state detection module 700 may further complete the master-slave communication configuration of the previous slave 200, detect the working state of the current slave 200 after providing a preset power supply for the current slave 200, detect whether the current slave 200 is normally started, and whether a response message is responded (the response message is responded may be determined by receiving the response message by the master 100), and indicate that the current slave 200 is working abnormally when detecting that the current slave 200 cannot be normally started or fails to respond to the response message (the current slave 200 has not completed the master-slave communication configuration).
The master 100 is further configured to control the corresponding first controlled switch unit 301 to be in a switch state for communicating the power input port 21 and the power output port 22 of the slave 200 when the operation state indicates that the slave 200 is abnormally operated.
In this embodiment, when the second status detecting module 700 detects an abnormality of the slave 200, the power input port 21 is communicated with the power output port 22, and the preset power is directly transmitted to the next slave 200, so that the next slave 200 is normally powered on.
In this embodiment, the second state detection module 700 detects the abnormal operation of the slave 200, and when the faulty slave 200 is detected, the faulty slave 200 is skipped, so that the next/next slave 200 can normally supply power, thereby improving the stability and reliability of the control system.
Fig. 5 is a schematic diagram of connection between the first controlled switch unit and the slave in this embodiment, referring to fig. 5, in some embodiments, the first controlled switch unit 301 includes an electronic control switch 31, the electronic control switch 31 includes two connection terminals and an electronic control terminal, the two connection terminals are respectively connected to the power input port 21 and the power output port 22 of the slave 200, and the electronic control terminal is connected to the master 100; the electric control switch 31 is used for keeping a normally closed state and is opened when an electric signal at the electric control end is inverted.
In this embodiment, after the slave device 200 and the master device 100 complete the master-slave communication configuration, the electrical control end of the electrical control switch 31 receives a predetermined electrical signal (e.g. an electrical signal at a low level), and at this time, the electrical control switch 31 maintains a normally closed state; when the slave 200 and the master 100 perform master-slave communication configuration, the master 100 detects that the current slave 200 performs master-slave communication configuration (address configuration), generates a corresponding inverted electrical signal and transmits the inverted electrical signal to the electrical control end of the electrical control switch 31, and the electrical control end is disconnected after receiving the inverted electrical signal (for example, a high-level electrical signal), so that the power input port 21 and the power output port 22 of the slave 200 are disconnected, and a preset power cannot be transmitted to the next slave 200; meanwhile, if the slave 200 that completes the master-slave communication configuration fails and is abnormal when the slave 200 at the next stage performs the master-slave communication configuration or before performing the master-slave communication configuration, the slave 200 to be configured fails and is abnormal, because the electrical signal received by the electrical control end of the electrical control switch 31 before the failure is maintained as a preset electrical signal (for example, an electrical signal at a low level), the electrical signal generated by the master 100 and transmitted to the electrical control end is also a preset electrical signal (for example, an electrical signal at a low level), the electrical signal at the electrical control end is not inverted, the power input port 21 and the power output port 22 of the slave 200 are maintained to be communicated, and thus the preset power supply skips over the slave 200 with the failure.
It should be noted that the inversion of the electrical signal of the electrical control end is a signal with different high and low levels output according to the operating state of the corresponding slave 200 determined by the master 100, and the electrical control switch 31 performs an on or off operation when receiving the corresponding signal, so as to determine whether to connect or disconnect the corresponding power input port 21 and the power output port 22 and determine whether to make the preset power supply jump over the corresponding slave 200 and transmit the preset power supply downwards.
Fig. 6 is a schematic diagram of a topology structure of a first controlled switch unit according to an embodiment of the present disclosure, referring to fig. 6, in some embodiments, the electronic control switch 31 includes a relay 311 and a driving circuit 312, the relay 311 includes a first port, a second port, a third port and a fourth port, the driving circuit 312 includes a first input terminal, a first controlled terminal and a first output terminal, the first port is connected to a power supply (+5V), the second port is connected to the first input terminal, the third port is connected to the power input port 21 of the slave 200, the fourth port is connected to the power output port 22 of the slave 200, the first controlled terminal is connected to the electronic control terminal, the first output terminal is connected to ground, wherein,
and the driving circuit 312 is configured to control on/off of the first input end and the first output end according to the corresponding electrical signal received by the electrical control end.
In this embodiment, when the electrical signal received by the electrical control terminal is at a high level, the first input terminal is connected to the first output terminal, and when the electrical signal received by the electrical control terminal is at a low level, the first input terminal is disconnected from the first output terminal.
In this embodiment, when the slave 200 performs the master-slave communication configuration process, the electrical signal received by the electrical control terminal is at a high level; when the slave 200 completes the master-slave communication configuration or the slave 200 has an abnormal fault, a corresponding inverted electrical signal is generated and transmitted to the electrical control end of the electrical control switch 31, and the electrical control end receives the electrical signal of low level.
And the relay 311 is used for controlling the third port and the fourth port to be disconnected when the first input end is communicated with the first output end, and controlling the third port and the fourth port to be communicated when the first input end is disconnected with the first output end.
In this embodiment, the relay 311 is a normally closed relay, when the first input end is communicated with the first output end, the first input end is grounded, at this time, the fourth port is grounded, the main loop of the relay 311 is turned on, the coil of the relay 311 is energized, the attraction contact of the relay 311 is triggered to attract, so that the third port and the fourth port are disconnected, and the preset power transmitted to the power input port 21 of the next slave 200 is cut off; when the first input end is disconnected with the first output end, the first input end is relatively high, at this time, the second port is at a high level, both ends of the main circuit of the relay 311 are high, the coil of the relay 311 is not electrified, and the relay 311 is triggered to release the attraction contact so as to communicate the third port with the fourth port.
In this embodiment, a freewheeling regulator D1 is further disposed between the first port and the second port of the relay 311, an anode of the freewheeling regulator D1 is electrically connected to the second port, and a cathode of the freewheeling regulator D1 is electrically connected to the power supply (+ 5V).
In the embodiment, the stability of the relay 311 is ensured by adding the freewheeling voltage regulator D1; the freewheeling regulator D1 is a reverse absorption diode at the second port of the relay 311, and the freewheeling regulator D1 can absorb a reverse high voltage formed when the relay 311 is turned off, thereby playing a role in protection.
The electronic control switch 31 is in a normally closed state when the third port and the fourth port are communicated, so that the power input port 21 of the slave 200 is communicated with the power output port 22, and when the third port and the fourth port are disconnected, the power input port 21 of the corresponding slave 200 is disconnected from the power output port 22.
In some embodiments, referring to fig. 6, the driving circuit 312 includes a switch Q1, a first resistor R1, and a second resistor R2, an input terminal of the switch Q1 is connected to the first input terminal, a control terminal of the switch Q1 is electrically connected to the first resistor R1 and the second resistor R2, respectively, another terminal of the first resistor R1 is electrically connected to the electric control terminal, and the second resistor R2 is electrically connected to an output terminal of the switch Q1 and is grounded, wherein the switch Q1 is configured to control the input terminal and the output terminal of the switch Q1 to be turned on or off according to a corresponding electrical signal received by the electric control terminal.
It should be noted that the switching tube Q1 in the embodiment of the present application includes, but is not limited to, a triode or a MOS tube. Moreover, according to the disclosure of the present application, a person skilled in the art can easily think that the corresponding driving circuit 312 disclosed in the present application is modified into a driving circuit adapted to the selection type of the switching tube according to the specific selection type of the switching tube, so that the present application can be implemented whether the switching tube is an NPN-type or PNP-type triode, or an N-channel or P-channel switching MOS tube, and the present application is not limited in the embodiments.
In this embodiment, the switching tube Q1 is preferably a triode of MMBT4401 type, and at this time, the first resistor R1 is a base current limiting resistor of the switching tube Q1, and the second resistor R2 is a pull-down resistor of the base of the switching tube Q1, so as to provide an initial state for the base and increase the interference rejection capability of the switching tube Q1.
Fig. 7 is a block diagram of a control system configured by master-slave communication of a mobile power supply leasing device according to a preferred embodiment of the present invention, referring to fig. 7, a switch module 300 includes a plurality of second controlled switch units 302, a master 100 is connected to control terminals of the plurality of second controlled switch units 302, a power output port 11 of the master 100 is respectively connected to input terminals of the plurality of second controlled switch units 302, output terminals of the plurality of second controlled switch units 302 are connected to power input ports 21 of corresponding slaves 200, wherein,
and a second controlled switch unit 302 for controlling on/off of the input end and the output end of the second controlled switch unit 302.
In this embodiment, a plurality of second controlled switch units 302 are arranged in parallel, and when the corresponding slave 200 needs to be controlled to start, the master 100 controls the second controlled switch unit 302 corresponding to the switch module 300, so that the corresponding input end is communicated with the output end, and further, the power output port 11 of the master 100 is connected to the power input port of the slave 200 in a butt joint manner and is connected to a preset power.
In this embodiment, the corresponding second controlled switch unit 302 is the second controlled switch unit 302 corresponding to the slave 200 currently performing master-slave communication configuration with the master 100; in this embodiment, when the slave device 200 and the master device 100 perform the master-slave communication configuration, the master device 100 sends out the corresponding control signal to make the second controlled switch units 302 corresponding to all the slave devices 200 behind the slave device 200 in the state where the input terminals and the output terminals thereof are disconnected, at this time, the slave devices 200 in front of the slave device 200 complete the master-slave communication configuration, and the master device 100 controls the second controlled switch units 302 to make the power input ports 21 of the second controlled switch units maintain the connection with the preset power supply, so as to facilitate the corresponding slave devices 200 to perform the subsequent work after completing the master-slave communication configuration work.
The master 100 is further configured to control an input end and an output end of the second controlled switch unit 302 corresponding to the slave 200 behind the slave 200 to be in a disconnected state during a master-slave communication configuration process with the corresponding slave 200.
It should be noted that, in the embodiment of the present application, the first controlled switch unit 301 and the second controlled switch unit 302 have the same circuit connection structure, and details of the second controlled switch unit 302 are not repeated here, and those skilled in the art can refer to the description of the first controlled switch unit 302 in fig. 5.
The embodiment provides a control method for master-slave communication configuration of mobile power supply leasing equipment. The control method in the embodiment of the present application is implemented by using the control system configured by master-slave communication of the mobile power supply rental equipment in the above embodiment, and fig. 8 is a flowchart of the control method in the embodiment of the present application, and as shown in fig. 8, the flowchart includes the following steps:
step S801, the master broadcasts response information to the multiple slaves through the communication bus, and determines a target slave responding to the response information, where the target slave includes a slave having a power input port connected to a preset power supply and responding to the received response information for the first time.
In this embodiment, the determined target slave is switched into a preset power supply to start, and responds to the response information broadcast by the host; after the host broadcasts the response information, the slave which completes the master-slave communication configuration also receives the corresponding response information, and the slave which is in front of the currently responded slave does not respond because the master-slave communication configuration (address configuration) is completed and the response information is not responded; on the other hand, since the preset power supply is turned off, the slave following the currently responded slave is not started because the power is not supplied, and cannot become the target slave.
Step S802, the host acquires preset configuration signaling data and sends the configuration signaling data to the target slave, wherein the configuration signaling data carries address information to be configured corresponding to the target slave.
In this embodiment, the configuration information data includes an address configuration instruction for triggering the slave to perform address configuration and unused address information to be configured; after receiving the address configuration command, the slave updates the address information according to the unused address information to be configured transmitted by the host, thereby completing the master-slave communication configuration.
In this embodiment, after determining the slave that responds, the master performs communication negotiation with the slave, so as to send corresponding configuration signaling data to the slave.
Step S803, the master controls the switch module to be in a switch state of disconnecting the power input ports of all the slaves behind the target slave from the preset power supply in the process that the target slave updates the address based on the address information to be configured until the target slave completes the address update.
In this embodiment, in the currently performed master-slave communication configuration process, the power supply input of the slave machine at the next stage is cut off, so as to ensure that each slave machine completes address configuration update in sequence.
In some embodiments, the obtaining, by the master, preset configuration signaling data, and sending the configuration signaling data to the target slave includes: the host acquires first unused address information from an address list arranged in sequence, wherein the address signal to be configured comprises the first unused address information; and the host sends a preset address configuration instruction and the first unused address information as the configuration signaling to the target slave.
In some embodiments, before the master broadcasts the response information to the plurality of slaves through the communication bus, the following steps are further performed: the host machine detects whether the address configuration of the slave machine is updated or not, and controls the power supply input port of the target slave machine to be connected with a preset power supply under the condition that the address configuration is updated, wherein the preset power supply connected with the power supply input port of the target slave machine comprises a power supply output by the switch module.
In this embodiment, before the host broadcasts the response message, it is detected whether to enter the address configuration mode; and under the condition that the address configuration mode is detected to be entered, starting to broadcast the response information, otherwise, ending and entering a normal operation mode.
In some of these embodiments, the following steps are also implemented:
step 1, after the target slave machine completes address updating, the host machine broadcasts response information to the plurality of slave machines again through the communication bus.
And 2, the host determines that the plurality of slave machines finish address updating when no slave machine is detected to respond within the preset response time.
After the target slave completes the address updating in the steps, the host broadcasts the response information to the plurality of slaves again through the communication bus; the host determines that the slave machines finish address updating when the slave machines are not detected to respond within the preset response time, so that the master-slave communication configuration of the slave machines is verified, and the reliability of the control system is improved.
Fig. 9 is a flowchart of a control method according to a preferred embodiment of the present application, as shown in fig. 9, the flowchart including the steps of:
in step S901, the master checks whether to update the address configuration of the slave, if yes, step S702 is executed, otherwise, step S908 is executed.
In step S902, the host controls the corresponding first controlled switch unit to transmit the power output by the host to the lower stage and broadcast the response information, and then step S903 is executed.
Step S903, determining whether there is a slave responding to the response message, if yes, executing step S904, otherwise, executing step S909.
In step S904, the master transmits an address configuration command, and sequentially assigns unused address information to the slaves responding from the address list, and then step S905 is performed.
In step S905, after the slave updates the address information based on the address information allocated by the master, the master controls the corresponding first controlled switch unit to connect the power input port and the power output port of the slave, and then step S906 is executed.
In step S906, the host rebroadcasts the response information, and then, performs step S903.
In step S909, the master confirms that the plurality of slaves complete the address information allocation, and then, step S908 is executed.
In step S908, the host operates in the normal operation mode.
In addition, in combination with the control method for master-slave communication configuration of the mobile power supply rental equipment provided in the above embodiment, a storage medium may also be provided in this embodiment. The storage medium having stored thereon a computer program; when executed by a processor, the computer program realizes the control method for master-slave communication configuration of the mobile power supply leasing equipment in any one of the embodiments.
It should be understood that the specific embodiments described herein are merely illustrative of this application and are not intended to be limiting. All other embodiments, which can be derived by a person skilled in the art from the examples provided herein without any inventive step, shall fall within the scope of protection of the present application.
It is obvious that the drawings are only examples or embodiments of the present application, and it is obvious to those skilled in the art that the present application can be applied to other similar cases according to the drawings without creative efforts. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.
The term "embodiment" is used herein to mean that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is to be expressly or implicitly understood by one of ordinary skill in the art that the embodiments described in this application may be combined with other embodiments without conflict.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the patent protection. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.
Claims (13)
1. A master-slave communication configuration control system of mobile power supply leasing equipment is characterized by comprising a master machine, a switch module controlled to be connected with the master machine and a plurality of slave machines connected with the switch module, wherein the master machine is also connected with the slave machines through a communication bus, a power supply input port of the master machine is connected with a power supply module, a power supply output port of the master machine is connected with the switch module and outputs a preset power supply, and the master-slave communication configuration control system comprises a master machine, a switch module controlled to be connected with the master machine and a plurality of slave machines connected with the switch module,
the switch module is used for controlling whether a power supply input port of the slave is connected with a preset power supply or not;
the slave is used for performing master-slave communication configuration with the host under the condition that a preset power supply is accessed to a power supply input port of the slave and the received response information broadcasted by the host is responded for the first time;
the master is further configured to control the switch module to be in a switch state in which the power input ports of all the slaves behind the slave are controlled to be disconnected from a preset power supply in a master-slave communication configuration process with the corresponding slaves.
2. The control system for master-slave communication configuration of mobile power supply leasing equipment according to claim 1, wherein the switch module comprises a plurality of first controlled switch units, the master is connected with the plurality of first controlled switch units, the power output port of the master is connected with the power input port of the first slave in the plurality of slaves, the power output port of each slave in the plurality of slaves is connected with the power input port of the next slave, and the power input port and the power output port of each slave are connected through the first controlled switch unit, wherein,
the first controlled switch unit is used for controlling the on-off of a power supply input port and a power supply output port of the slave;
the master machine is further configured to control the corresponding first controlled switch unit to be in a switch state of disconnecting the power input port and the power output port of the slave machine in a master-slave communication configuration process with the corresponding slave machine.
3. The control system of master-slave communication configuration of mobile power supply leasing equipment according to claim 2, further comprising a first state detection module connected with the master and the plurality of slaves respectively, wherein,
the first state detection module is used for detecting the working state of the slave machine which is currently in master-slave communication configuration with the host machine;
and the master is further configured to control the corresponding first controlled switch unit to be in a switch state in which a power input port and a power output port of the slave that completes master-slave communication configuration are communicated under the condition that the working state indicates that the slave completes master-slave communication configuration.
4. The control system of master-slave communication configuration of mobile power supply leasing equipment according to claim 2, further comprising a second state detection module respectively connected with the master machine and the plurality of slave machines, wherein,
the second state detection module is used for detecting the working state of each slave;
and the master is further used for controlling the corresponding first controlled switch unit to be in a switch state for communicating the power input port and the power output port of the slave under the condition that the working state indicates that the slave works abnormally.
5. The control system for master-slave communication configuration of mobile power supply leasing equipment according to claim 2, wherein the first controlled switch unit comprises an electric control switch, the electric control switch comprises two connecting ends and an electric control end, the two connecting ends are respectively connected with a power input port and a power output port of the slave, and the electric control end is connected with the master; the electric control switch is used for keeping a normally closed state and is disconnected under the condition that an electric signal of the electric control end is overturned.
6. The control system of master-slave communication configuration of mobile power supply leasing equipment according to claim 5, wherein the electric control switch comprises a relay and a driving circuit, the relay comprises a first port, a second port, a third port and a fourth port, the driving circuit comprises a first input end, a first controlled end and a first output end, the first port is connected with a power supply, the second port is connected with the first input end, the third port is connected with a power input port of the slave, the fourth port is connected with a power output port of the slave, the first controlled end is connected with the electric control end, and the first output end is connected with the ground, wherein,
the driving circuit is used for controlling the on-off of the first input end and the first output end according to the corresponding electric signal received by the electric control end;
the relay is used for controlling the third port and the fourth port to be disconnected when the first input end is communicated with the first output end, and controlling the third port and the fourth port to be communicated when the first input end is disconnected with the first output end;
the electric control switch is in a normally closed state when the third port and the fourth port are communicated, so that the power input port and the power output port of the slave are communicated, and when the third port and the fourth port are disconnected, the power input port and the power output port of the slave are disconnected correspondingly.
7. The control system for master-slave communication configuration of mobile power supply leasing equipment according to claim 6, wherein the driving circuit comprises a switch tube, a first resistor and a second resistor, an input end of the switch tube is connected with the first input end, a control end of the switch tube is electrically connected with the first resistor and the second resistor respectively, the other end of the first resistor is electrically connected with the electric control end, and the other end of the second resistor is connected with an output end of the switch tube and is grounded, wherein the switch tube is used for controlling the on-off of the input end and the output end of the switch tube according to a corresponding electric signal received by the electric control end.
8. The control system for master-slave communication configuration of mobile power supply rental equipment of claim 1, wherein the switch module comprises a plurality of second controlled switch units, the master is connected to control terminals of the plurality of second controlled switch units, power output ports of the master are respectively connected to input terminals of the plurality of second controlled switch units, output terminals of the plurality of second controlled switch units are connected to corresponding power input ports of the slaves, wherein,
the second controlled switch unit is used for controlling the on-off of the input end and the output end of the second controlled switch unit;
the master is further configured to control the input end and the output end of the second controlled switch unit corresponding to the slave behind the slave to be in a disconnected state in a process of performing master-slave communication configuration with the corresponding slave.
9. A control method for master-slave communication configuration of mobile power supply leasing equipment, which comprises the control system for master-slave communication configuration of mobile power supply leasing equipment in claim 1, and is characterized in that the control method comprises the following steps:
the master machine broadcasts response information to the multiple slave machines through the communication bus and determines a target slave machine which responds to the response information, wherein the target slave machine comprises a power supply input port which is connected with a preset power supply and responds to the slave machine which receives the response information for the first time;
the host acquires preset configuration signaling data and sends the configuration signaling data to the target slave machine, wherein the configuration signaling data carries address information to be configured corresponding to the target slave machine;
and the host controls the switch module to be in a switch state of disconnecting the power input ports of all the slave machines behind the target slave machine from a preset power supply in the process of updating the address of the target slave machine based on the address information to be configured until the target slave machine finishes updating the address.
10. The control method according to claim 9, wherein the obtaining, by the master, preset configuration signaling data and sending the configuration signaling data to the target slave includes:
the host acquires first unused address information from an address list arranged in sequence, wherein the address signal to be configured comprises the first unused address information;
and the host sends a preset address configuration instruction and the first unused address information as the configuration signaling to the target slave.
11. The method of claim 9, wherein before the master broadcasts response information to the plurality of slaves via the communication bus, the method further comprises: the host machine detects whether slave machine address configuration updating is carried out or not, and controls a power supply input port of the target slave machine to be connected with a preset power supply under the condition that the address configuration updating is detected, wherein the preset power supply connected with the power supply input port of the target slave machine comprises the power supply output by the switch module.
12. The control method according to claim 9, characterized by further comprising:
after the target slave completes the address update, the master broadcasts response information to the plurality of slaves again through the communication bus;
and the host determines that the plurality of slave machines finish address updating when the slave machines do not respond within preset response time.
13. A computer-readable storage medium, on which a computer program is stored, wherein the computer program, when executed by a processor, implements the steps of the method for controlling master-slave communication configuration of a mobile power supply rental apparatus of any one of claims 9 to 12.
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