TWI758948B - 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

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

The present invention relates to the field of master-slave communication, and in particular, to a lease system, a master-slave communication system and its master and slave.

Shared power bank refers to the charging rental equipment provided by the enterprise. The user can use the mobile device to scan the QR code on the screen of the device to pay the deposit, and then a power bank can be rented. After the power bank is successfully returned, the deposit can be withdrawn and returned to the account at any time.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, multiple charging rental devices are set up independently and cannot be spliced together; secondly, in the case of intensive charging rental equipment, there is often a shortage of mains sockets, and when the charging rental equipment is dense, there will be a problem of a large occupied area.

Further, multiple charging rental devices are set up independently. If multiple charging rental devices are assembled and set up, each charging rental device works independently, and it is difficult to achieve joint work. At the same time, each charging rental device cooperates and controls the same way. Conventional data cable/network cable connection can also be used, but there are problems such as confusing control, complex data cable/network cable connection structure, high cost, 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 into 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. Function line group, the host function line group includes the host communication line for communication 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 identification voltage to the slave.

In one embodiment, the host functional line set also includes a host spare line.

In one embodiment, the master function line set further includes a master power supply line that provides power to the slaves.

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

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

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

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

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

In one embodiment, each machine function line group further includes a slave spare line.

In one embodiment, each machine function line group further includes a slave power supply line that transmits electrical 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 power supply line of the slave supplies power to the circuit board of the slave.

In one embodiment, the slave function line group is a cable structure.

In one embodiment, the slave device further includes a function module disposed on the slave device body, and the function module includes one or more of a wireless charging coil, a display screen, a fingerprint reader, a code scanner, and a camera.

In one embodiment, the slave machine includes a wireless charging area arranged on the top of the slave machine, 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 master and at least one above slave.

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

In yet another aspect, a rental system is provided. In a master-slave communication system to which the rental system is applied, a leasable power bank is installed on a slave of the master-slave communication system.

The details of one or more embodiments of the application are set forth in the accompanying drawings and the description below. Other features, objects and advantages of the present application will become apparent from the description, drawings and claims.

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

As shown in FIG. 1 to FIG. 6 , the present application provides a preferred embodiment of a master-slave communication system.

A master-slave communication system, including a master and a slave, the master is the main control unit, which is used to control one or more slaves to perform related operations, and after the master and the slaves are combined, electrical connection and communication connection are made to realize power supply and communication. The network of the host and multiple slaves enables stable data transmission, high efficiency and comprehensive intelligence, avoiding the problem of communication confusion and low intelligence by setting only one communication line and adopting a single "one question and one answer"; at the same time, Through the power supply and networking, the need for external sockets is reduced, the overall structure is optimized, and the performance is improved.

In this embodiment, referring to FIG. 1 and FIG. 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 . The host power input terminal 131, the host 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 to the slave. The 20 master serial line 142 for sending position identification information or/and the master voltage line 143 for providing the identification voltage for the slave 20 .

Specifically, the host 10 receives electrical power, such as AC power, through the host power input terminal 131 , and transmits the connected electrical power 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 alternating current into direct current and drop the voltage to serve as the working power of the entire host circuit board 120 . The host function line group 140 is connected from the host circuit board 120, and each host function line group 140 includes multiple function lines, which respectively meet various communication requirements and realize intelligent control of the master-slave communication system. Among them, the host communication line 141 is a functional line for the host 10 to communicate with the external slave 20. The host serial line 142 and the host voltage line 143 can be set together or one of the two can be set. The host 10 communicates with the slave through the host serial line 142. The machine 20 sends the position identification information, and the master 10 provides the identification voltage to the slave 20 through the master voltage line 143 .

In this embodiment, referring to FIG. 3 and FIG. 4 , a slave 20 of a master-slave communication system is provided. The slave 20 includes a slave body 210 , a slave circuit board 220 built in the slave body 210 , and a slave. The power input terminal 231 and the slave power output terminals 232 and 231 are respectively connected with the slave circuit board 220 and the slave power output terminal 232 , and the slave 20 also includes two slave function line groups 240 connected with the slave circuit board 220 . , each slave function line group 240 includes a slave communication line 241 that communicates with the host 10 or other slaves 20; each slave function line group 240 also includes a slave serial line 242 for transmitting position identification information or/ And the slave voltage line 243 for transmitting the identification voltage; wherein, two slave communication lines 241 are arranged in parallel, two slave series lines 242 are respectively connected with the receiving end and the sending end of the host circuit board 120, and two slave voltage lines 243 parallel settings.

Specifically, with reference to FIG. 5 , the slave 20 is connected to the power supply 300 through the slave power input terminal 231, obtains the power output by the power supply 300, such as alternating current such as commercial power, and transmits the connected power to the slave power output terminals 232 and 232 respectively. The slave circuit board 220 is provided with an adapter 260 or/and a step-down circuit. The slave circuit board 220 converts alternating current into direct current and conducts a voltage drop to serve as the working power of the entire slave circuit board 220 , and the power through the slave power output terminal 232 can be directly transmitted to the next slave 20 or host 10, which can ensure that each slave 20 or host 10 in the master-slave communication system has a stable working voltage, and can achieve The infinite accumulation of the number of splices solves the problem that it is difficult to meet the need for multiple plugs due to a large number of products. Among them, two slave function line groups 240 are connected to the slave circuit board 220, and each slave function line group 240 includes a plurality of slave function lines, which respectively meet various communication requirements and realize the intelligentization 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 the other slave communication line 241 of the first slave 20 is connected to a slave of the next slave 20. The communication lines 241 are connected to form a communication busbar, and the communication busbars are arranged in parallel, and the host 10 and a plurality of slaves 20 carry out a question-and-answer data transmission through the constituted communication busbar; and, the host serial line of the host 10 142 is connected to a slave serial line 242 of the first slave 20, and another slave serial line 242 of the first slave 20 is connected to a slave serial line 242 of the next slave 20 to form a series bus. and the serial bus bars are arranged in series, that is, the host circuit board 120 is connected in series with the slave circuit board 220 of the first slave 20 through a series line, and the slave circuit board 220 of the first slave 20 is connected to the next slave circuit board 220 in series. The slave circuit boards 220 of the host 20 are connected in series, and the host 10 and a plurality of slaves 20 perform sequential data transmission headed by the host 10 through the formed serial bus bar; and, the host voltage line 143 of the host 10 is connected to the first slave. A slave voltage line 243 of 20 is connected, and another 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 bar, and the voltage bus bar is In parallel arrangement, the master 10 provides a reference voltage for a plurality of slaves 20 through the voltage bus. Wherein, the host 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 the position identification information to the slave 20 through the serial bus, and the slave 20 processes and sends the position identification information to the next slave 20 after receiving the position identification information, so that each slave 20 can obtain its own relative to the master. 10 location information.

Regarding the use of the series bus, the host 10 sends the position identification information with the position information to the first slave 20 through the series bus, and the slave 20 receives and processes the position identification information to obtain the position information of itself relative to the host 10, The processed position identification information is then sent to the next slave 20 . By repeating the above steps, all the slaves 20 acquire their own position information relative to the host 10 . On the basis that the slaves 20 know their own position information, the host 10 communicates and interacts with the slaves 20 at each location one by one through the communication bus, and obtains the address information of the slaves 20 at each location. By connecting the busbars and the communication busbars in series, the host 10 intelligently acquires the address information of the slaves 20 at various positions, which facilitates the control of the positions of the slaves 20 and the exchange of data.

Regarding the use of the voltage bus, the master 10 provides each slave 20 with an identification voltage through the voltage bus. Since the voltage bus bars are arranged in parallel, a resistance of a slave voltage line 243 is superimposed each time, or a resistor is connected in series on the slave voltage line 243, so that the voltage values collected on each slave 20 are different. According to the difference in the voltage value of each slave 20 , the host 10 obtains the address information of the slave 20 that meets the conditions through the communication bus. The condition should include satisfying the magnitude of the reference voltage value sent through the communication bus, such as greater or less than the reference voltage value, so as to lock the slave 20 at the most two 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, with reference to Figure 6, a parallel and series connection is provided. In parallel, the master circuit board 120 and each of the slave circuit boards 220 are connected in parallel, and in series, the master circuit board 120 and each of the slave circuit boards 220 are connected in sequence.

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

The master function line group 140 further includes a master backup line 145 , a master power supply line 146 and a ground line 144 for providing power to the slave machine 20 . Among them, the host backup line 145 is used as a subsequent backup line of the master-slave communication system to meet the physical structure of subsequent new functions. Preferably, two master backup lines 145 are provided, which are respectively set in series with the slave 20 and in parallel with the slave 20 to meet the needs of different situations. The host circuit board 120 of the host computer 10 provides a stable voltage to the slave circuit board 220 through the host power supply line 146, so as to supply power in time when the power input of the slave 20 is faulty, as a backup power supply. In addition, the master power supply line 146 is provided in parallel with each of the slaves 20 . 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, A grounding busbar is formed, and the grounding busbars are arranged in parallel to realize the grounding arrangement of the master 10 and each slave 20 .

Preferably, the host functional line group 140 is a cable structure. The cable structure can be an FPC structure or a flexible cable structure, and a 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 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 20 , which can ensure that each master and slave The communication system has a stable working voltage, and can realize the infinite accumulation of the number of splices, which solves the problem that it is difficult to meet the need for multiple plugs due to a large number of products.

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

The host 10 further includes a functional module 150 disposed on the host body 110, and the functional module 150 is one or more of a wireless charging coil, a display screen, a fingerprint reader, a code scanner and a camera. Among them, the host 10 includes a wireless charging area arranged on the top thereof. 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 RF power of the wireless charging area. And, the display screen can display relevant information, such as displaying the 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 pages switched. And, the fingerprint identification is realized through the fingerprint identification device, and the fingerprint identification is performed. And, scan codes, such as one-dimensional codes and two-dimensional codes, through a code scanner. And monitoring through cameras, or face recognition and other operations.

As shown in FIGS. 10 and 11 , the present application provides a preferred embodiment of the slave 20 .

Each slave function line group 240 further includes a slave backup line 245 , a slave power supply line 246 for transmitting power, 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 subsequent new functions, Two slave spare lines 245 are preferably set, which are respectively set in series with other slaves 20 or master 10, and in parallel with other slaves 20 or master 10, so as to meet the needs of different situations; the slave of slave 20 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 supply power in time when there is a problem with the power input of the slave machine 20, as a backup power supply, and the slave power supply line 246 and each slave. The machine 20 and the host 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 bar, In addition, the grounding bus bars are arranged in parallel, so as to realize the grounding arrangement of the master 10 and each slave 20 .

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

In this embodiment, referring to FIG. 11 , the slave 20 includes a charging terminal 270 and an adapter 260 . The adapter 260 uses the electric energy transmitted by the power input terminal 231 of the slave to supply power to the charging terminal 270 and the circuit board 220 of the slave, respectively. Circuit board 220 is also connected to slave power supply lines 246 . First, the slave power input terminal 231 inputs AC power, such as commercial power 220V, through the adapter 260 or the matching step-down circuit (which can be set in the slave circuit board 220), the AC power is converted into suitable for the charging terminal 270 and the slave circuit. The DC power of the board 220 is used to realize the adaptive 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 host passes through the host power supply line 146 and the slave power supply line 246, Powers the slave circuit board 220. 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.

For example, the present application provides a rental system. In a master-slave communication system to which the rental system is applied, a leasable power bank is installed on the slave 20 of the master-slave communication system. Specifically, the host 10 and a plurality of slaves 20 are stacked on top of each other, and the slaves 20 are provided with a battery compartment with a charging terminal 270 for inserting a mobile power supply, and the charging terminal 270 charges the mobile power supply to realize the rental operation of the mobile power supply .

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

The slave 20 further includes a function module 250 disposed on the slave body 210 , and the function module 250 is one or more of a wireless charging coil, a display screen, a fingerprint reader, a code scanner and a camera. The functions of each functional module 250 are the same as the above-mentioned functional modules 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 arranged on the top thereof, and the wireless charging coil is arranged in the wireless charging area.

The above descriptions are only the best embodiments of the present application, and are not intended to limit the scope of the present application. All equivalent changes or modifications made according to the patent scope of the present application are all covered by the present application.

10: Host 20: Slave 110: Host body 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: function module 210: Slave body 220: Slave circuit board 231: Slave power input terminal 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: function module 260: Adapter 270: charging terminal 300: Power

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the drawings required 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, under the premise of no creative work, the accompanying drawings of other embodiments can also be obtained according to these drawings. In the accompanying 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 a 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 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 circuit diagram of an adapter and a 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: Host body

120: Host circuit board

131: Host power input

210: Slave body

220: Slave circuit board

231: Slave power input terminal

232: Slave power output

300: Power

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 connected to the host circuit board. The host function line group connected to the host circuit board, the host function line group includes the host computer communication line for communication with the slave machine; the host function line group further includes the host computer serial line for sending position identification information to the slave machine or/and for the slave machine. The host computer provides a host voltage line for identifying the voltage; wherein, the host computer forms a communication bus bar arranged in parallel with a plurality of slave machines through the host computer communication line, so as to perform data transmission of one question and one answer; the host computer transmits data through the host computer The series line and a plurality of slaves form a series bus bar to perform sequential data transmission headed by the host; the host forms a voltage bus bar arranged in parallel with a plurality of slaves through the host voltage line, so as to provide each slave - Identify the voltage. The host of claim 1, wherein the host functional line group further includes a host spare line. The host according to claim 1, wherein the host function line group further includes a host power supply line that provides power for the slave. The host according to any one of claims 1 to 3, wherein the host functional line group is a cable structure. The host according to claim 1, further comprising a functional module disposed on the host body, the functional module comprising one or more of a wireless charging coil, a display screen, a fingerprint reader, a code scanner and a camera. The host according to claim 5, wherein: the host includes a wireless charging area disposed on top of the host, the functional module includes a wireless charging coil, and the wireless charging coil is disposed 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 of a master-slave communication system, the slave includes a slave body, a slave circuit board built into the slave body, a slave power input end and a slave power output, the slave power input The terminals are respectively connected to the slave circuit board and the output terminal of the slave power supply, wherein: the slave further includes two slave function line groups connected to the slave circuit board, each of the slave Each functional line group includes a slave communication line for communicating with the host or other slaves; 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, two of the slave communication lines are arranged in parallel, the two slave series lines are respectively connected with the receiving end and the sending end of the host circuit board, and the two slave voltage lines are arranged in parallel; wherein, the The slave machine forms a communication bus bar set in parallel with other slave machines and the host machine through the slave machine communication line, so as to carry out data transmission of one question and one answer; The slave machine forms a series bus bar with other slave machines and the host through the slave machine series line, and performs sequential data transmission headed by the host machine; the slave machine forms a parallel with other slave machines and the host machine through the slave machine voltage line. Set the voltage busbar to provide an identification voltage for each slave. The slave according to claim 8, wherein each of the machine function line groups further includes a slave spare line. The slave device of claim 8, wherein each of the device function line groups further includes a slave power supply line for transmitting electrical energy. The slave device according to claim 10, wherein the slave device includes a charging terminal and an adapter, and the adapter uses the electric energy transmitted by 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 according to any one of claims 8 to 11, wherein the slave function line group is a cable structure. The slave device according to claim 8, wherein the slave device further comprises a functional module arranged on the slave body, and the functional module includes a wireless charging coil, a display screen, a fingerprint reader, and a code scanner. and one or more of the cameras. The slave device according to claim 13, wherein the slave device includes a wireless charging area disposed on the top of the slave device, the functional module includes a wireless charging coil, and the wireless charging coil is disposed on the wireless charging within the area. A master-slave communication system, the master-slave communication system includes a master according to any one of claim items 1 to 7 and at least one slave according to any one of claim items 8 to 14. The master-slave communication system according to claim 15, wherein the host power input terminal of the host is connected to the commercial power; or, the slave power input terminal of the slave is connected to the commercial power. A rental system, which is applied to the master-slave communication system as described in claim 15 or 16, wherein a leasable power bank is installed on a slave of the master-slave communication system.

Images