TWM612979U - Rental system, master-slave communication system and master and slave thereof - Google Patents

Abstract

This application relates to a rental system, a master-slave communication system and its master and slave. The master includes a host body, a host circuit board built in the host body, and a host power input terminal connected to the host circuit board. The master also includes a host function line group connected to the host circuit board, and the host function line group includes a host communication line that communicates with the slave. The host function line group also includes a host serial line that sends position identification information to the slave or/and a host voltage line that provides identification voltage for the slave.

Description

Lease system, master-slave communication system and its master and slave

The new creation relates to the field of master-slave communication, and particularly relates to a rental system, a master-slave communication system and its host and slave.

Shared power bank refers to the charging and rental equipment provided by the company. The user can rent a mobile power bank by scanning the QR code on the screen of the device with a mobile device to pay a deposit. After the power bank is successfully returned, the deposit can be withdrawn and returned to the account at any time.

Existing charging rental equipment is generally divided into large charging rental equipment and small charging rental equipment, most of which are independent charging rental equipment, and the power supply method is that each charging rental equipment uses an AC to DC adapter for power supply. First of all, multiple rental charging devices are installed independently and cannot be spliced between them; secondly, when the charging rental equipment is intensive, the supply of mains sockets often exceeds the demand, and when the charging rental equipment is intensive, it will take up a large area.

Furthermore, multiple rental charging devices are set up independently. If multiple rental charging devices are combined and set up, each rental charging device works independently, and it is difficult to achieve joint work. At the same time, each charging rental device cooperates with the same control method. Conventional data lines/network cables can also be used for connection, but there are problems in control confusion, complicated data lines/network cable connection structures, high costs, and easy interference.

Based on this, it is necessary to provide a rental system, a master-slave communication system and its master and slave.

In one aspect, a host of a master-slave communication system is provided. The host includes a host body, a host circuit board built in the host body, and a host power input terminal connected to the host circuit board. The host also includes a host connected to the host circuit board. The function line group, the host function line group includes the host communication line for communicating with the slave; the host function line group also includes the host serial line for sending position identification information to the slave or/and the host voltage line for providing the identification voltage for the slave.

In one embodiment, the host function line group further includes a host backup line.

In an embodiment, the master function line group further includes a master power supply line that provides power to the slave machine.

In one embodiment, the host function line group is a flat line structure.

In one embodiment, the host further includes a functional module set on the host body, and the functional module includes one or more of a wireless charging coil, a display screen, a fingerprint recognizer, a code scanner, and a camera.

In one embodiment, the host includes a wireless charging area provided on the top of the host, the functional module includes a wireless charging coil, and the wireless charging coil is provided in the wireless charging area.

In one embodiment, the host further includes a host power output terminal connected to the host power input terminal.

In another aspect, a slave of a master-slave communication system is provided. The slave includes a slave body, a slave circuit board in the built-in slave body, a slave power input terminal and a slave power output terminal, and the slave power input The terminals are respectively connected to the slave circuit board and the power output terminal of the slave. The slave also includes two slave function line groups connected with the slave circuit board. Each slave function line group includes communication with the master or other slaves. The slave communication line; each slave function line group also includes a slave serial line or/and a slave voltage line that transmits identification voltage; two slave communication lines are set in parallel, two A slave serial line is respectively connected with the receiving end and the sending end of the host circuit board, and two slave voltage lines are arranged in parallel.

In an embodiment, each machine function line group also includes a slave machine standby line.

In an embodiment, each machine function line group also includes a slave machine power supply line for transmitting electric energy.

In one embodiment, the slave includes a charging terminal and an adapter. The adapter uses the power transmitted from the power input terminal of the slave to supply power to the charging terminal and the circuit board of the slave, respectively, and the slave power supply line supplies power to the circuit board of the slave.

In one embodiment, the slave functional line group is a flat line structure.

In an embodiment, the slave device further includes a functional module arranged on the body of the slave device, and the functional module includes one or more of a wireless charging coil, a display screen, a fingerprint recognizer, a code scanner, and a camera.

In one embodiment, the slave device includes a wireless charging area arranged on the top of the slave device, the functional module includes a wireless charging coil, and the wireless charging coil is arranged in the wireless charging area.

In yet another aspect, a master-slave communication system is provided. The master-slave communication system includes the above host and at least one slave as above.

In one embodiment, the host power input end of the host is connected to the mains; or, the slave power input of the slave is connected to the mains.

In yet another aspect, a rental system is provided. In a master-slave communication system to which the rental system is applied, the slave of the master-slave communication system is equipped with a rentable mobile power supply.

The details of one or more embodiments of the present application are set forth in the following drawings and description. Other features, purposes and advantages of this application will become apparent from the description, drawings and the scope of the patent application.

The preferred embodiments of the present application will now be described in detail with reference to the accompanying drawings.

As shown in Figures 1 to 6, this application provides a preferred embodiment of a master-slave communication system.

A master-slave communication system, including a master and slaves. The master is a master control unit used to control one or more slaves to perform related operations. After the master and slaves are combined, electrical and communication connections are made to realize power supply and communication. Networking enables stable data transmission, high efficiency and comprehensive intelligence between the master and multiple slaves, avoiding only one communication line and the use of a single "one question and one answer", which leads to communication chaos and low intelligence; at the same time, Through the power supply network, the need for external sockets is reduced, the overall structure is optimized, and the use performance is improved.

In this embodiment, with reference to FIGS. 1 and 2, a host 10 of a master-slave communication system is provided. The host 10 includes a host body 110, a host circuit board 120 built in the host body 110, and a host circuit board 120 connected to the host circuit board 120. The host computer power input terminal 131, the host computer 10 also includes a host function line group 140 connected to the host circuit board 120, the host function line group 140 includes a host communication line 141 that communicates with the slave 20; the host function line group 140 also includes 20. The host series line 142 for sending position identification information or/and the host voltage line 143 for providing the identification voltage for the slave 20.

Specifically, the host 10 receives electrical energy, such as AC power such as commercial power, through the host power input terminal 131, and transmits the received electrical energy to the host circuit board 120. The host circuit board 120 is provided with an adapter 260 or/and a corresponding step-down circuit. The host circuit board 120 can convert AC to DC and perform a voltage drop to use it as the working power of the entire host circuit board 120. Among them, the host function line group 140 is connected from the host circuit board 120. Each host function line group 140 includes multiple function lines to meet various communication requirements and realize the intelligent control of the master-slave communication system. Among them, the host communication line 141 is a functional line used for the communication interaction between the host 10 and the external slave 20. The host serial line 142 and the host voltage line 143 can be set together or one of the two settings. The host 10 passes the host serial line 142 to the slave The machine 20 sends position identification information, and the host computer 10 provides the identification voltage to the slave machine 20 through the host voltage line 143.

In this embodiment, and with reference to FIGS. 3 and 4, a slave machine 20 of a master-slave communication system is provided. The slave machine 20 includes a slave machine body 210, a slave machine circuit board 220 built in the slave machine body 210, and a slave machine The power input terminal 231 and the slave power output terminal 232, 231 are respectively connected to the slave circuit board 220 and the slave power output terminal 232. The slave 20 also includes two slave function line groups 240 connected to the slave circuit board 220 Each slave functional line group 240 includes a slave communication line 241 that communicates with the master 10 or other slaves 20; each slave functional line group 240 also includes a slave serial line 242 or/ And the slave voltage line 243 that transmits the identification voltage; among them, two slave communication lines 241 are arranged in parallel, two slave serial lines 242 are respectively connected to the receiving end and the sending end of the host circuit board 120, and two slave voltage lines 243 is set in parallel.

Specifically, in conjunction with FIG. 5, the slave 20 is connected to the power supply 300 through the slave power input terminal 231 to obtain the power output from the power supply 300, such as AC power such as commercial power, and transmit the connected power to the slave power output terminals 232 and 232, respectively. The slave circuit board 220 is equipped with an adapter 260 or/and a step-down circuit. The slave circuit board 220 converts AC to DC and performs a voltage drop as the working power of the entire slave circuit board 220 , And the electric energy through the slave power output 232 can be directly transmitted to the next slave 20 or master 10, which can ensure that each slave 20 or master 10 of the master-slave communication system has a stable working voltage, and can achieve The infinite accumulation of the number of splicing solves the problem of insatiable requirements due to a large number of products that require multiple plugs. Among them, the slave circuit board 220 is connected to lead to two slave function line groups 240. Each slave function line group 240 includes multiple slave function lines to meet various communication requirements and realize the intelligence of the master-slave communication system. control.

And, the master communication line 141 of the master 10 is connected to a slave communication line 241 of the first slave 20, and another slave communication line 241 of the first slave 20 is connected to a slave communication line 241 of the next slave 20. The communication line 241 is connected to form a communication bus, and the communication bus is arranged in parallel. The master 10 and a plurality of slaves 20 conduct one-to-one data transmission through the formed communication bus; and, the host serial line of the host 10 142 is connected with a slave serial line 242 of the first slave 20, and another slave serial line 242 of the first slave 20 is connected with a slave serial line 242 of the next slave 20 to form a series bus The serial bus bar is arranged in series, that is, the master circuit board 120 is connected in series with the slave circuit board 220 of the first slave 20 through the series line, and the slave circuit board 220 of the first slave 20 is connected to the next slave circuit board 220. The slave circuit board 220 of the host 20 is connected in series, and the host 10 and a plurality of slaves 20 perform sequential data transmission headed by the host 10 through the serial bus formed; and, the host voltage line 143 of the host 10 and the first slave One slave voltage line 243 of the first slave 20 is connected, and the other slave voltage line 243 of the first slave 20 is connected to a slave voltage line 243 of the next slave 20 to form a voltage bus, and the voltage bus is In parallel configuration, the master 10 provides reference voltages for multiple slaves 20 through the voltage bus. Among them, the master 10 and each slave 20 perform a question-and-answer data transmission, such as address information or control commands, through the communication bus. The master 10 sends position identification information to the slave 20 through the serial bus. After receiving the position identification information, the slave 20 processes it and sends it to the next slave 20 so that each slave 20 can obtain its own relative to the master. 10 location information.

Regarding the use of the tandem bus, the host 10 sends location identification information with location information to the first slave 20 through the tandem bus, and the slave 20 receives and processes the location identification information to obtain its own location information relative to the host 10. The processed position identification information is sent to the next slave 20. Repeating the above steps, all the slaves 20 obtain their own position information relative to the master 10. On the basis that the slave 20 knows its own location information, the master 10 communicates and interacts with the slaves 20 in each location one by one through the communication bus to obtain the address information of the slaves 20 in each location. Through the serial bus and the communication bus, the master 10 intelligently obtains the address information of the slave 20 at each location, which facilitates the control of the position of the slave 20 and the interaction of data.

Regarding the use of the voltage bus, the host 10 provides an identification voltage for each slave 20 through the voltage bus. Since the voltage bus is arranged in parallel, a resistance of the slave voltage line 243 is superimposed each time, or a resistance is connected in series to the slave voltage line 243, so that the voltage values collected on each slave 20 are different. According to the difference of the voltage value of each slave 20, the master 10 obtains the address information of the slave 20 that meets the conditions through the communication bus. This condition should include meeting the magnitude of the reference voltage value sent through the communication bus, such as being greater than or less than the reference voltage value, so as to lock the slave device 20 at the extreme ends. Another condition is that the address information has not been sent to the host 10 so that the host 10 obtains the address information of a specific slave 20 in each step.

And, referring to Figure 6, a parallel and series connection mode is provided. Parallel connection means connecting the master circuit board 120 and each slave circuit board 220 in parallel, and series connection means connecting the master circuit board 120 and each slave circuit board 220 in sequence.

As shown in FIG. 7 and FIG. 8, the present application provides a preferred embodiment of the host computer 10.

The master function line group 140 also includes a master backup line 145, a master power supply line 146 and a ground line 144 for providing power to the slave 20. Among them, the host standby line 145 is used as a subsequent standby line of the master-slave communication system to meet the physical structure of the subsequent newly added functions. There are preferably two master standby lines 145, which are connected in series with the slave 20 and connected in parallel with the slave 20 to meet the requirements of different situations. The host circuit board 120 of the host 10 provides a stable voltage to the slave circuit board 220 through the host power supply line 146 so as to provide power in time when there is a problem with the power input of the slave 20 as a backup power source. In addition, the power supply line 146 of the master and each slave 20 are arranged in parallel. And can be combined with FIG. 10, the ground wire 144 of the master 10 is connected to the ground wire 244 of the first slave 20, and the other ground wire 244 of the first slave 20 is connected to the ground wire 244 of the next slave 20, The grounding bus bar is formed, and the grounding bus bar is arranged in parallel to realize the grounding arrangement of the master 10 and each slave 20.

Preferably, the host function line group 140 has a flat line structure. The cable structure can be an FPC structure or a flexible cable structure, and the corresponding connection seat or female seat should be provided to realize the connection and installation with the slave function line and improve the convenience of the connection between the two.

In this embodiment, and referring to FIG. 8, the host 10 further includes a host power output terminal 132 connected to the host power input terminal 131. Compared with FIG. 5, in this embodiment, the power supply 300 is input to the host computer 10 through the host power input terminal 131, and then the power through the host power output terminal 132 can be directly transmitted to the slave computer 20, which can ensure that each master and slave The communication system has a stable working voltage, and can realize the unlimited accumulation of the number of splicing, which solves the problem of insufficiency caused by the need for multiple plugs due to a large number of products.

As shown in Figure 9, the present application provides a preferred embodiment of the host function module

The host 10 further includes a functional module 150 arranged on the main body 110. The functional module 150 is one or more of a wireless charging coil, a display screen, a fingerprint recognizer, a code scanner, and a camera. Wherein, the host 10 includes a wireless charging area provided on the top of the host computer. The wireless charging coil is arranged in the wireless charging area, and the mobile phone placed in the wireless charging area can be wirelessly charged through the wireless charging coil. The host circuit board 120 can control the switch and radio frequency power of the wireless charging area. In addition, the display screen can display related information, such as displaying rental status, displaying a QR code, and so on. The display screen is also preferably a touch screen, through which the master-slave communication system can be controlled or page switching is realized. And, fingerprint recognition is realized through a fingerprint recognizer, and fingerprint recognition is performed. And, scan codes through a code scanner, such as one-dimensional codes and two-dimensional codes. And through the camera to monitor, or to achieve face recognition and other operations.

As shown in FIG. 10 and FIG. 11, this application provides a preferred embodiment of the slave device 20.

Each slave function line group 240 also includes a slave backup line 245, a slave power supply line 246 for transmitting electric energy, and a ground line 244. Among them, the slave standby line 245 is used as the subsequent standby line of the master-slave communication system to cooperate with the slave standby line 245 of other slaves 20 or the host standby line 145 of the host 10 to meet the physical structure of the subsequent newly added functions. There are preferably two slave standby lines 245, which are set in series with other slaves 20 or master 10, and set in parallel with other slaves 20 or master 10 to meet the needs of different situations; slave 20 of slave The circuit board 220 provides a stable voltage through the host power supply line 146 and is received by the slave power supply line 246 to provide power in time when there is a problem with the power input of the slave 20, as a backup power source. In addition, the slave power supply line 246 is connected to each slave power supply line 246. The machine 20 and the host computer 10 are arranged in parallel. And the ground wire 144 of the master 10 is connected to the ground wire 244 of the first slave 20, and the other ground wire 244 of the first slave 20 is connected to the ground wire 244 of the next slave 20 to form a ground bus, In addition, the grounding busbars are arranged in parallel to realize the grounding arrangement of the master 10 and each slave 20.

Preferably, the slave function line group 240 has a flat line structure. The above has been explained and will not be described one by one here.

In this embodiment, and referring to FIG. 11, the slave 20 includes a charging terminal 270 and an adapter 260. The adapter 260 uses the power transmitted by the slave power input terminal 231 to supply power to the charging terminal 270 and the slave circuit board 220, respectively. The circuit board 220 is also connected to the slave power supply line 246. First, input AC power from the power input terminal 231 of the slave machine, such as 220V commercial power, and convert the AC power into the charging terminal 270 and the slave machine circuit through the adapter 260 or a matching step-down circuit (which can be set in the slave circuit board 220) The direct current of the board 220 is used to realize the adaptable voltage power supply of the charging terminal 270 and the slave circuit board 220; secondly, the slave circuit board 220 is also connected to the slave power supply line 246, and the master uses the master power supply line 146 and the slave power supply line 246, Supply power to the slave circuit board 220. Wherein, the slave circuit board 220 is provided with a switching circuit. When the adapter 260 is normal, the power provided by the adapter 260 is used. When the adapter 260 is abnormal, the switching circuit is switched to the power provided by the power supply line 246 of the slave.

For example, in this application, a rental system is provided. In a master-slave communication system to which the rental system is applied, the slave 20 of the master-slave communication system is equipped with a rentable mobile power supply. Specifically, the master 10 and multiple slaves 20 are arranged on top of each other, and the slave 20 is provided with a battery compartment with a charging terminal 270 for plugging in a mobile power source, and the charging terminal 270 charges the mobile power source to realize the rental operation of the mobile power source. .

As shown in FIG. 12, the present application provides a preferred embodiment of the host function module.

The slave device 20 also includes a functional module 250 arranged on the slave device body 210. The functional module 250 is one or more of a wireless charging coil, a display screen, a fingerprint recognizer, a code scanner, and a camera. The function of each functional module 250 is the same as that of the functional module 150 on the host body 110, and will not be described one by one here. For example, the slave 20 includes a wireless charging area provided on the top thereof, and the wireless charging coil is provided in the wireless charging area.

The above are only the best embodiments of this application and are not used to limit the scope of this application. All equivalent changes or modifications made in accordance with the patent scope of this application are covered by this application.

10: host 20: Slave 110: mainframe 120: host circuit board 131: Host power input 132: Host power output 140: host function line group 141: Host communication line 142: Host serial line 143: Host voltage line 144: Ground wire 145: Host spare line 146: Host power supply line 150: functional module 210: Slave body 220: slave circuit board 231: Slave power input 232: Slave power output 240: Slave function line group 241: Slave communication line 242: Slave serial line 243: Slave voltage line 244: Ground Wire 245: slave spare line 246: Slave power supply line 250: functional module 260: Adapter 270: Charging terminal 300: power supply

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings that need to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative work, the drawings of other embodiments can be obtained based on these drawings. In the drawings: Fig. 1 is a schematic structural diagram of a host of a master-slave communication system according to an embodiment of the present application. Fig. 2 is a schematic diagram of a circuit principle of a host according to an embodiment of the present application. Fig. 3 is a schematic structural diagram of a slave of a master-slave communication system according to an embodiment of the present application. Fig. 4 is a schematic diagram of the circuit principle of a slave according to an embodiment of the present application. Fig. 5 is a schematic structural diagram of Embodiment 1 of a master-slave communication system according to an embodiment of the present application. Fig. 6 is a schematic diagram of the principle of a connection between a master and a slave according to an embodiment of the present application. FIG. 7 is a schematic diagram of the specific circuit principle of FIG. 2. FIG. 8 is a schematic structural diagram of Embodiment 2 of a master-slave communication system according to an embodiment of the present application. FIG. 9 is a schematic diagram of a circuit principle of a host function module according to an embodiment of the present application. Fig. 10 is a schematic diagram of the specific circuit principle of Fig. 4. FIG. 11 is a schematic diagram of the circuit principle of the adapter and the second power supply line according to an embodiment of the present application. Fig. 12 is a schematic diagram of a circuit principle of a slave function module according to an embodiment of the present application.

10: host

20: Slave

110: mainframe

120: host circuit board

131: Host power input

210: Slave body

220: slave circuit board

231: Slave power input

232: Slave power output

300: power supply

Claims (17)

A host of a master-slave communication system. The host includes a host body, a host circuit board built in the host body, and a host power input terminal connected to the host circuit board, wherein: The host further includes a host function line group connected with the host circuit board, and the host function line group includes a host communication line for communicating with a slave machine; The host functional line set further includes a host serial line for sending position identification information to the slave or/and a host voltage line for providing an identification voltage for the slave. The host according to claim 1, wherein the host function line group further includes a host standby line. The host according to claim 1, wherein the host function line group further includes a host power supply line for providing power to the slave. The host according to any one of claims 1 to 3, wherein the host function line group is a flat line structure. The host according to claim 1 further includes a functional module provided on the main body of the host, and the functional module includes one or more of a wireless charging coil, a display screen, a fingerprint recognizer, a code scanner, and a camera. The host according to claim 5, wherein: the host includes a wireless charging area provided on the top of the host, the functional module includes a wireless charging coil, and the wireless charging coil is provided in the wireless charging area . The host according to claim 1, further comprising a host power output terminal connected to the host power input terminal. A slave machine of a master-slave communication system. The slave machine includes a slave machine body, a slave machine circuit board built in the slave machine body, a slave machine power input terminal, and a slave machine power output terminal. The slave machine power input The terminals are respectively connected to the slave circuit board and the slave power output terminal, wherein: The slave machine further includes two slave machine function line groups connected with the slave machine circuit board, and each of the slave machine function line groups includes a slave machine communication line for communicating with the master machine or other slave machines; Each of the slave function line groups further includes a slave serial line for transmitting position identification information or/and a slave voltage line for transmitting identification voltage; Wherein, the two slave communication lines are arranged in parallel, the two slave serial lines are respectively connected to the receiving end and the sending end of the host circuit board, and the two slave voltage lines are arranged in parallel. The slave machine according to claim 8, wherein each of the machine function line groups also includes a slave machine standby line. The slave machine according to claim 8, wherein each of the machine function line groups further includes a power supply line for the slave machine for transmitting electric energy. The slave device according to claim 10, wherein the slave device includes a charging terminal and an adapter, and the adapter uses the power transmitted from the power input terminal of the slave device to supply power to the charging terminal and the circuit board of the slave device, respectively, The slave power supply line supplies power to the slave circuit board. The slave device according to any one of claims 8 to 11, wherein the function line group of the slave device is a flat line structure. The slave device according to claim 8, further comprising a functional module provided on the body of the slave device, and the functional module includes one of a wireless charging coil, a display screen, a fingerprint recognizer, a code scanner, and a camera Or multiple. The slave device according to claim 13, wherein the slave device includes a wireless charging area provided on the top of the slave device, the functional module includes a wireless charging coil, and the wireless charging coil is set in the wireless charging area. within the area. A master-slave communication system, the master-slave communication system includes a master as described in any one of claims 1 to 7 and at least one slave as described in any one of claims 8 to 14. The master-slave communication system according to claim 15, wherein the host power input end of the host is connected to the mains; or, the slave power input of the slave is connected to the mains. A rental system, the rental system is applied to the master-slave communication system as described in claim 15 or 16, and the slave computers of the master-slave communication system are equipped with a rentable mobile power supply.

Images