Vehicle handle information display system and management method

Abstract

The vehicle handle information display system comprises a handle ring management module and at least one electronic handle ring, the handle ring control module controls the electronic handle ring to be in a low-power-consumption state, the vibration detection module of the handle ring control module periodically detects vibration information of the electronic handle ring, and the handle ring control module judges the vibration information or posture change of the electronic handle ring according to the detected vibration information. The handle ring control module starts the short-distance wireless communication module and receives a control command of the handle ring management module; and the handle ring control module changes the display information of the electronic paper display module according to the control command. The handle ring management module periodically broadcasts vehicle information; the unbound electronic handle ring receives the broadcast vehicle information; the electronic handle ring sends the handle ring management module needing to be bound; and the selected handle ring management module and the electronic handle ring form a first-level binding state. And the comprehensive requirements of convenience, flexibility and low power consumption for updating the display information of the electronic handle ring can be met.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of display, and particularly relates to a traffic tool handle information display system and a traffic tool handle management method.

[0002] The application claims priority; the priority case of the application: application date: September 6, 2024, application number: 2024221832793, application name: traffic tool handle information display system and management method. BACKGROUND

[0003] Electronic paper is a display screen made of electrophoretic display technology. The advantage of the electronic paper display screen over the LCD display screen is that it does not need to consume power for daily display, and only needs to consume power when updating the display image, and can maintain the displayed image after power failure.

[0004] Electronic paper ink screen display has the characteristics of ultra-low power consumption, low-frequency display and power saving. With the green development and intelligent upgrading of cities, advertisers have higher requirements for accurate, efficient and real-time information reaching consumers. The traditional paper media cannot meet the requirements of advertising business, so the application demand of electronic paper intelligent handle ring combined with wireless low-power technology is higher and higher.

[0005] With the intelligent upgrading of cities, the demand for efficient and fast replacement of advertising information on intelligent handles is increasing. Currently, the electronic paper handle ring has high power consumption during use, which affects the endurance of the electronic paper handle ring. Therefore, how to provide a low-power solution is a technical problem to be solved.

[0006] Glossary: EPD is the abbreviation of English "electronic paper display", which means electronic paper display. The meaning of electronic paper in the application is electronic paper display. SUMMARY

[0007] The technical problem to be solved by the application is to avoid the problems of high power consumption of the electronic paper handle ring and the inconvenience of updating and matching new display information management in the prior art, and to provide a traffic tool handle information display system including an electronic paper handle ring and a management method, which can meet the comprehensive requirements of convenience, flexibility and low power consumption for updating the display information of the electronic paper handle ring.

[0008] The technical solution of the application solves the above technical problem. The traffic tool handle information display system comprises a handle ring management module and at least one electronic handle ring. The electronic handle ring comprises a power management module, a short-range wireless communication module, a vibration detection module, a handle ring control module and an electronic paper display module. The handle ring control module is electrically connected with the short-range wireless communication module. The handle ring control module is electrically connected with the vibration detection module. The handle ring control module is electrically connected with the electronic paper display module. The power management module provides power supply for the electronic handle ring. The handle ring management module comprises a power module, a mobile communication module, a short-range wireless communication module and a management control module. The management control module is electrically connected with the mobile communication module. The management control module is electrically connected with the short-range wireless communication module. The management control module is electrically connected with the short-range wireless communication module. The power module provides power supply for the handle ring management module. The handle ring control module controls the electronic handle ring to be in a low-power consumption state. The vibration detection module of the handle ring control module periodically detects vibration information of the electronic handle ring. The handle ring control module judges vibration information or posture change of the electronic handle ring according to the detected vibration information. The handle ring control module starts the short-range wireless communication module to receive a control command of the handle ring management module. The handle ring control module changes display information of the electronic paper display module according to the control command.

[0009] The display information comprises stop information, advertisement information and notification information of the traffic tool.

[0010] The short-range wireless communication module is a Bluetooth communication module or a 2.4G wireless communication module.

[0011] The handle ring management module comprises a management display module which is electrically connected with the management control module. The short-range wireless communication module is a Bluetooth communication module. The manager accesses the handle ring management module through a Bluetooth signal of a smart terminal. The manager can set management information through the smart terminal. The management information comprises traffic tool information and route information.

[0012] The power module of the handle ring management module comprises a 12V or 24V power supply interface. The handle ring management module obtains working power supply through the traffic tool.

[0013] The handle ring control module closes the short-range wireless communication module when no vibration information or posture change is detected at a set time. The handle ring control module controls the electronic handle ring to be in a low-power consumption state. The vibration detection module is a 3-axis acceleration detection module.

[0014] The technical solution of the application for solving the above technical problems can also be a traffic tool handle management method, the handle ring management module A or the handle ring management module B periodically broadcasts vehicle information; the unbound electronic handle ring receives the broadcast vehicle information; the electronic handle ring displays the vehicle information of the handle ring management module A or the handle ring management module B; the manager judges whether the vehicle information to be bound is correct; the manager confirms the handle ring management module A or the handle ring management module B to be bound by changing the posture of the electronic handle ring; the electronic handle ring sends the handle ring management module to be bound; and the selected handle ring management module forms a first-level binding state with the electronic handle ring.

[0015] The handle ring management module periodically broadcasts vehicle information; the bound electronic handle ring receives the broadcast vehicle information and forwards the broadcast vehicle information; the unbound electronic handle ring receives the broadcast vehicle information through the broadcast vehicle information forwarded by the bound electronic handle ring; the broadcast vehicle information forwarded includes the electronic handle ring information forwarding the broadcast vehicle information; and the electronic handle ring forwarding the broadcast vehicle information forms a two-level or three-level or N-level binding relationship with the handle ring management module.

[0016] The handle ring management module sends display information or display picture information to the first-level bound electronic handle ring according to the registration information; the first-level bound electronic handle ring sends the display information or display picture information to the subordinate bound electronic handle ring after receiving the display information or display picture information.

[0017] The handle ring management module sends a display command to the first-level bound electronic handle ring according to the registration information, the display command including the number of the electronic handle ring and the number of the display information or display picture information; the first-level bound electronic handle ring sends the display command to the subordinate electronic handle ring according to the binding relationship; and the electronic handle ring displays the information according to the number in the display command and the number of the display information or display picture information.

[0018] One of the beneficial effects of the technical solution in the application is that the handle ring control module judges the vibration information or posture change of the electronic handle ring according to the detected vibration information, the handle ring control module starts the short-range wireless communication module to receive the control command of the handle ring management module, and only when the vibration information or posture change is detected, the short-range wireless communication module is started, thereby greatly reducing the power consumption of the wireless communication module in the on state and prolonging the single power endurance time of the electronic handle ring as much as possible.

[0019] One of the beneficial effects of the technical solution in the application is that the display information includes the arrival information of the traffic tool, advertisement information and notification information, the arrival information, advertisement information and notification information can be updated at any time according to actual needs, and the content displayed by the electronic handle ring is more in line with the scene requirements.

[0020] One of the beneficial effects of the technical solutions in the present application is that the short-range wireless communication module is a Bluetooth communication module or a 2.4G wireless communication module, which can perform different short-range wireless communication and is suitable for transmission requirements of different distances.

[0021] One of the beneficial effects of the technical solutions in the present application is that the manager accesses the pull ring management module through the Bluetooth signal of the intelligent terminal, and the manager can set management information through the intelligent terminal, the management information including vehicle information and route information, so as to facilitate the manager to plan and manage the batch information.

[0022] One of the beneficial effects of the technical solutions in the present application is that the pull ring management module obtains working power supply through the vehicle, which expands the source of power supply and increases the endurance of the pull ring management module.

[0023] One of the beneficial effects of the technical solutions in the present application is that the pull ring control module closes the short-range wireless communication module when no vibration information or posture change is detected at the set time, and the pull ring control module controls the electronic pull ring to enter a low-power-consumption state; the vibration detection module is a 3-axis acceleration detection module, which can further reduce the standby power consumption of the electronic pull ring.

[0024] One of the beneficial effects of the technical solutions in the present application is that the manager confirms the pull ring management module A or the pull ring management module B to be bound by changing the posture of the electronic pull ring; when there are multiple pull ring management modules, such design is very flexible and convenient for the electronic pull ring to select the corresponding pull ring management module. The pairing is more free, and when there are multiple pull ring management modules, the management conflict can be avoided, and the energy consumption caused by invalid wireless communication due to continuous polling of information can also be avoided.

[0025] One of the beneficial effects of the technical solutions in the present application is that the unbound electronic pull ring forms a two-level or three-level or N-level binding relationship with the pull ring management module through the already bound electronic pull ring; a cascading binding relationship is formed, which expands the range that a single pull ring management module can control. Especially in the case that the communication distance of the short-range wireless communication module is short, the unbound electronic pull ring can be expanded through the already bound electronic pull ring as a relay, thereby expanding the control range.

[0026] One of the beneficial effects of the technical solutions in the present application is that the display information or the display picture information can also be relayed through the already bound electronic pull ring, which can improve the consistency of system display and make it more convenient to update the display content when batch management is performed.

[0027] One of the beneficial effects of the technical solutions in the present application is that the display command can be sent through the subordinate electronic pull ring, and the correctness of the display of each electronic pull ring can be ensured through the transmission of the display command, thereby facilitating management. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is one of the schematic diagrams of the vehicle handle information display system; Figure 2 is one of the schematic diagrams of the electronic handle ring; Figure 3 is one of the schematic diagrams of the handle ring management module; Figure 4 is another schematic diagram of the handle ring management module; Figure 5 is another schematic diagram of the electronic handle ring; Figure 6 is one of the schematic diagrams of the electronic handle ring; Figure 7 is another schematic diagram of the electronic handle ring; Figure 8 is one of the schematic diagrams of the vehicle handle management method; Figure 9 is another schematic diagram of the vehicle handle management method; Figure 10 is another schematic diagram of the vehicle handle management method; Figure 11 is another schematic diagram of the vehicle handle management method; Figure 12 is another schematic diagram of the vehicle handle information display system; Figure 13 is another schematic diagram of the electronic handle ring; Figure 14 is another schematic diagram of the vehicle handle information display system; Figure 15 is another schematic diagram of the vehicle handle management method. DETAILED DESCRIPTION

[0029] The embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

[0030] It should be noted that the following description is merely of the preferred embodiments of the present application and does not impose any limitations on the present application. The description of the preferred embodiments of the present application is merely illustrative of the general principles of the present application. The embodiments described in the present application are only a part of the embodiments of the present application and are not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0031] In the description of the present application, it needs to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", and the technical features numbered with Arabic numerals 1, 2, 3, etc., and the numbering of "A" and "B" are only for the purpose of description, for the convenience of description, and do not represent the chronological or spatial sequence; cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second", and the technical features numbered with Arabic numerals 1, 2, 3, etc. can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "several" is two or more, unless otherwise explicitly specified.

[0032] As Figures 1 to 3 In an embodiment of a vehicle handle information display system, comprising: a handle ring management module, at least one electronic handle ring; the electronic handle ring comprises a power management module, a short-range wireless communication module, a vibration detection module, a handle ring control module, an electronic paper display module; the handle ring control module is electrically connected with the short-range wireless communication module; the handle ring control module is electrically connected with the vibration detection module; the handle ring control module is electrically connected with the electronic paper display module; the power management module provides power for the electronic handle ring; the handle ring management module comprises a power module, a mobile communication module, a short-range wireless communication module, a management control module; the management control module is electrically connected with the mobile communication module; the management control module is electrically connected with the short-range wireless communication module; the management control module is electrically connected with the short-range wireless communication module; the power module provides power for the handle ring management module; the handle ring control module controls the electronic handle ring to be in a low-power consumption state, the handle ring control module periodically detects the vibration information of the electronic handle ring through the vibration detection module, the handle ring control module judges the vibration information or the posture change of the electronic handle ring according to the detected vibration information, the handle ring control module starts the short-range wireless communication module to receive the control command of the handle ring management module; the handle ring control module changes the display information of the electronic paper display module according to the control command. The display information includes the arrival information of the vehicle, the advertising information, and the notification information. The short-range wireless communication module is a Bluetooth communication module or a 2.4G wireless communication module.

[0033] As Figure 2In an embodiment of the vehicle handle information display system, the handle ring control module closes the short-range wireless communication module when no vibration information or posture change is detected at a set time, and the handle ring control module controls the electronic handle ring to enter a low-power consumption state; the vibration detection module is a 3-axis acceleration detection module.

[0034] As Figure 4 In an embodiment of the vehicle handle information display system, the handle ring management module includes a management display module, and the management display module is electrically connected to the management control module; the short-range wireless communication module is a Bluetooth communication module, and the manager accesses the handle ring management module through a Bluetooth signal using a smart terminal. The manager can set management information through the smart terminal, and the management information includes vehicle information and route information. The power module of the handle ring management module includes a 12V or 24V power interface, and the handle ring management module obtains working power from the vehicle.

[0035] As Figure 5 In an embodiment of the vehicle handle information display system, the power management module of the electronic handle ring includes a battery, and the battery is a replaceable battery. The battery can also be a rechargeable battery, and the battery can also be a rechargeable replaceable battery.

[0036] As Figure 6 And Figure 7 In an embodiment of the vehicle handle information display system, the electronic handle ring includes an electronic handle body 110, a handle fixing part 120, an electronic display screen 130, and a handle area 150. The electronic display screen 130 is arranged on two surfaces of the electronic handle body 110 and occupies the main display control. The handle area 150 is arranged at the lower part of the electronic display screen 130 and is used for passenger handle gripping. The handle fixing part 120 is used for fixing the electronic handle ring at different positions in the vehicle compartment. Figure 7 In an embodiment of the vehicle handle information display system, a replaceable battery 160 is further arranged.

[0037] As Figure 8 In an embodiment of the vehicle handle management method, the handle ring management module A or the handle ring management module B periodically broadcasts vehicle information; the unbound electronic handle ring receives the broadcast vehicle information; the electronic handle ring displays the vehicle information of the handle ring management module A or the handle ring management module B; the management personnel judges whether the vehicle information to be bound is correct; the management personnel confirms the handle ring management module A or the handle ring management module B to be bound by changing the posture of the electronic handle ring; the electronic handle ring sends the handle ring management module to be bound; and the selected handle ring management module forms a first-level binding state with the electronic handle ring.

[0038] As Figure 8In an embodiment of the vehicle handle management method, the handle ring management module A periodically broadcasts vehicle information A, and the handle ring management module B periodically broadcasts vehicle information B. The unbound electronic handle ring 1 receives the broadcast vehicle information A and the broadcast vehicle information B.

[0039] As Figure 8 In an embodiment of the vehicle handle management method, the electronic handle ring 1 displays the vehicle information A. The management personnel judges whether the vehicle information A to be bound is correct. If correct, the management personnel confirms the handle ring management module A to be bound by changing the posture of the electronic handle ring, such as rotating the handle ring. The electronic handle ring 1 sends that the handle ring management module A is to be bound. The selected handle ring management module A forms a 1-level bound state with the electronic handle ring 1.

[0040] As Figure 8 In an embodiment of the vehicle handle management method, the management personnel judges whether the vehicle information A to be bound is correct. If not correct, the electronic handle ring 1 is inverted, and the electronic handle ring 1 displays the vehicle information B. The management personnel judges whether the vehicle information B to be bound is correct. If correct, the management personnel confirms the handle ring management module B to be bound by changing the posture of the electronic handle ring, such as rotating the handle ring. The selected handle ring management module B forms a 1-level bound state with the electronic handle ring. If the vehicle information A to be bound is not correct, the management personnel inverts the electronic handle ring 1, and the electronic handle ring 1 displays the vehicle information sent by other handle ring management modules, such as vehicle information C. The management personnel continues to judge whether the vehicle information C to be bound is correct. The process is continued until the binding is completed.

[0041] As Figure 9 In an embodiment of the vehicle handle management method, the handle ring management module periodically broadcasts vehicle information. The bound electronic handle ring receives the broadcast vehicle information and forwards the broadcast vehicle information. The unbound electronic handle ring receives the broadcast vehicle information through the broadcast vehicle information forwarded by the bound electronic handle ring. The electronic handle ring information of the electronic handle ring forwarding the broadcast vehicle information is included in the broadcast vehicle information. The electronic handle ring forwarding the broadcast vehicle information forms a 2-level or 3-level or N-level bound relationship with the handle ring management module.

[0042] As Figure 10 In an embodiment of the vehicle handle management method, the handle ring management module sends display information or display picture information to the 1-level bound electronic handle ring according to the registration information. The 1-level bound electronic handle ring receiving the display information or display picture information sends the display information or display picture information to the sub-bound electronic handle ring.

[0043] As Figure 11In an embodiment of the vehicle pull handle management method, the pull handle ring management module sends a display command to the first-level bound electronic pull handle ring according to the registration information, the display command including the number of the electronic pull handle ring and the number of the display information or display picture information; the first-level bound electronic pull handle ring sends the display command to the lower-level electronic pull handle ring according to the binding relationship; and the electronic pull handle ring displays information according to the number and the number of the display information or display picture information in the display command.

[0044] As Figure 12 In an embodiment of the vehicle pull handle information display system, the system includes a pull handle ring management module and three first-level electronic pull handle rings; the first-level electronic pull handle rings are electronic pull handle ring 11, electronic pull handle ring 12, and electronic pull handle ring 13; three second-level electronic pull handle rings are further expanded through electronic pull handle ring 12; the second-level electronic pull handle rings are electronic pull handle ring 21, electronic pull handle ring 22, and electronic pull handle ring 23; one third-level electronic pull handle ring is further expanded through electronic pull handle ring 22; the third-level electronic pull handle ring is electronic pull handle ring 31. The relay of the electronic pull handle rings realizes multi-layer connection expansion, and expands the control range of the pull handle ring management module.

[0045] As Figure 13 In an embodiment of the vehicle pull handle information display system, the electronic pull handle ring includes an electronic paper display screen, an electronic paper driving circuit, a BLE communication module, a 4G communication module, and a storage module. The wireless communication circuit includes the BLE communication module and the 4G communication module, wherein the BLE communication module is a low-power Bluetooth communication module, meeting the requirement of lower power consumption. When there is no information to be published, the pull handle ring BLE communication module is in a low-power state, and the 4G communication module is in a power-off state; when there is information to be published, the BLE communication module is woken up and responds to the information, controls the 4G communication module to be powered on and receive image data; after the reception is completed, the electronic paper display screen is controlled to display the image data, the BLE image module re-enters the low-power mode, and the 4G communication module is powered off.

[0046] By designing the BLE low-power Bluetooth + 4G communication module, the characteristics of the low power consumption and low transmission rate of the BLE Bluetooth communication module and the high transmission rate but high power consumption of the 4G communication module are utilized, the notification message is monitored through the BLE communication module, and only after receiving the notification message, the 4G communication module in the power-off state is woken up to receive the image data to be published. Therefore, the communication rate is ensured while the low power consumption is achieved as much as possible, and the endurance of the electronic paper pull handle ring is improved.

[0047] As Figures 13 to 15In an embodiment of the vehicle handle information display system and method, the handle ring is an electronic handle ring; the handle ring management module is a base station, and the handle ring management module can further include a base station and a server. The base station is a Bluetooth base station. The handle ring broadcasts in a regular manner, and a nearby Bluetooth base station uploads scanning information to a central server after scanning the device. At this time, the handle ring keeps the Bluetooth communication module in a low-power mode and controls the 4G communication module to be powered off. When information needs to be published, the central server issues a notification to the base station, the base station sends the notification to the handle ring through the Bluetooth module, the handle ring responds to the notification received by the Bluetooth communication module, controls the 4G communication module to be powered on to receive image data, the image data is image data for the electronic paper handle ring to be put into operation, the 4G communication module receives the image data, controls the electronic paper screen of the handle ring to display the image data, and the 4G communication module is powered off after receiving the data, sends a completion message through the Bluetooth communication module, and controls the Bluetooth communication module to enter a low-power mode. If multiple images need to be published, the 4G communication module can store the image data in a standby memory for subsequent round-robin display after receiving the image data.

[0048] As Figures 1 to 15 shown, the above-mentioned only for the embodiment of the present application, not therefore limit the patent range of the present application, any equivalent structure or equivalent flow transformation using the content of the invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A vehicle handle information display system, characterized in that, include: Handrail management module, at least one electronic handrail; The electronic handle includes a power management module, a short-range wireless communication module, a vibration detection module, a handle control module, and an electronic paper display module; The handle control module is electrically connected to the short-range wireless communication module; the handle control module is electrically connected to the vibration detection module; the handle control module is electrically connected to the electronic paper display module; the power management module provides power to the electronic handle. The handle management module includes a power module, a mobile communication module, a short-range wireless communication module, and a management and control module; The management and control module is electrically connected to the mobile communication module; the management and control module is electrically connected to the short-range wireless communication module; the management and control module is electrically connected to the short-range wireless communication module; the power module provides power to the handle management module; The handle control module keeps the electronic handle in a low-power state. The vibration detection module of the handle control module periodically detects the vibration information of the electronic handle. Based on the detected vibration information, the handle control module determines the vibration information or posture change of the electronic handle. The handle control module then activates the short-range wireless communication module to receive control commands from the handle management module. The handle control module changes the display information of the electronic paper display module according to the control command.

2. The vehicle handle information display system according to claim 1, characterized in that, The displayed information includes arrival information of the transportation vehicle, advertising information, and notification information.

3. The vehicle handle information display system according to claim 1, characterized in that, The short-range wireless communication module is a Bluetooth communication module or a 2.4G wireless communication module.

4. The vehicle handle information display system according to claim 1, characterized in that, The handle management module includes a management display module, which is electrically connected to the management control module. The short-range wireless communication module is a Bluetooth communication module. The administrator can use a smart terminal to access the handle management module via Bluetooth signal. The administrator can set management information through the smart terminal, including vehicle information and route information.

5. The vehicle handle information display system according to claim 1, characterized in that, The power module of the handle management module includes a 12V or 24V power interface, and the handle management module obtains its working power from the vehicle.

6. The vehicle handle information display system according to claim 1, characterized in that, If the handle control module does not detect vibration information or attitude change within a set time, it shuts down the short-range wireless communication module and controls the electronic handle to enter a low-power state; the vibration detection module is a 3-axis acceleration detection module.

7. A method for managing handrails on vehicles, characterized in that, Either the handlebar management module A or the handlebar management module B periodically broadcasts vehicle information; The electronic handle ring was not bound to receive the broadcast vehicle information; The electronic grab handle displays vehicle information from either grab handle management module A or grab handle management module B; The administrator determines whether the vehicle information to be bound is correct; The administrator confirms the handle management module A or handle management module B to be bound by changing the posture of the electronic handle; the electronic handle sends the handle management module to be bound; the selected handle management module and the electronic handle form a level 1 binding state.

8. The method for managing vehicle handrails according to claim 7, characterized in that, The handle management module periodically broadcasts vehicle information; The already bound electronic handle receives the broadcast vehicle information and forwards it. The broadcast vehicle information is forwarded through the already bound electronic handle ring, and the unbound electronic handle ring receives the broadcast vehicle information; the forwarded broadcast vehicle information includes the electronic handle ring information that forwarded the broadcast vehicle information; The electronic handleband that forwards vehicle information is bound to the handleband management module in two, three, or N levels.

9. The method for managing vehicle handles according to claim 8, characterized in that, The handle management module sends display information or display image information to the first-level bound electronic handles based on the registration information; upon receiving the display information or display image information, the first-level bound electronic handle sends the display information or display image information to the next lower bound electronic handles.

10. The method for managing vehicle handles according to claim 9, characterized in that, The handle management module sends a display command to the first-level bound electronic handle according to the registration information. The display command includes the electronic handle number and the number of the display information or display image information. The first-level bound electronic handle sends the display command to the lower-level electronic handle according to the binding relationship. The electronic handle ring displays information based on the number in the display command and the number of the display information or display image information.

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