AR intelligent operation and maintenance terminal equipment based on Ethernet wired connection

By adopting the Ethernet wired connection structure in the AR intelligent operation and maintenance terminal equipment, the problems of unstable transmission and poor security of existing AR wearable devices are solved, real-time reminders to operation and maintenance personnel and real-time monitoring of operation and maintenance data are realized, and operation and maintenance work efficiency and data transmission security are improved.

CN112817263BActive Publication Date: 2025-05-02BEIJING ZENGSHI TECH CO LTD
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Patent Information

Application Number
CN202110157751.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-02-04
Publication Date
2025-05-02
Estimated Expiration
2041-02-04

AI Technical Summary

Technical Problem

Existing AR wearable devices are wirelessly connected through WLAN, and have security problems such as unstable transmission, poor performance and data leakage. The device needs to be shut down when not in use, so it is impossible to remind operation and maintenance personnel to handle operation and maintenance tasks in real time.

Method used

AR intelligent operation and maintenance terminal devices based on Ethernet wired connections are adopted, including Ethernet switches, network relays, alarms, network cable storage boxes, AR controllers and AR head-mounted displays. This structural setting enables real-time reminders and data transmission.

Benefits of technology

Real-time reminders and real-time monitoring of operation and maintenance data for computer room operation and maintenance personnel is realized, improving operation and maintenance work efficiency and data transmission security.

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Abstract

The present invention provides an AR intelligent operation and maintenance terminal device based on Ethernet wired connection, including: an Ethernet switch, a network relay wired to the Ethernet switch, an alarm connected to the network relay, a network cable storage box wired to the Ethernet switch, an AR controller wired to the network cable storage box, and an AR head-mounted display connected to the AR controller. Through the above-mentioned special structural setting, the AR intelligent operation and maintenance terminal device based on Ethernet wired connection provided by the present invention can remind the computer room operation and maintenance personnel to perform operation and maintenance task processing in real time, so that the operation and maintenance center personnel can view the work status and operation and maintenance data of the computer room operation and maintenance personnel in real time, and can also provide remote real-time support to the operation and maintenance personnel; it not only improves the efficiency of operation and maintenance work, but also improves the security of data transmission.
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Description

Technical Field

[0001] The present invention relates to the technical field of computer room operation and maintenance, and in particular to an AR intelligent operation and maintenance terminal device based on Ethernet wired connection. Background Art

[0002] With the development of technology and the support of software, more and more companies at home and abroad are investing in the research and development of AR wearable devices. Current AR hardware devices such as Microsoft HoloLens, Epson BT-300, Lenovo Morningstar G2, Nadejia X2pro, etc., all transmit data through WLAN wireless connection. WLAN wireless connection has extremely high mobility and flexibility, but the transmission is unstable and the performance is poor. It is also easy to be monitored, resulting in data leakage, and has poor security performance.

[0003] At present, all the AR wearable devices available on the market are mobile devices. Due to the influence of battery power and service life, AR wearable devices need to be turned off when not in use. After the device is turned off, it will not be able to receive external data and instructions; even if the device is not turned off, the sound of the device's external speaker prompt is low (or even has no sound speaker function), and there is no light reminder; in the closed and noisy environment of the operation and maintenance room, it is impossible to hear or see the alarms generated by the AR wearable operation and maintenance equipment, and the operation and maintenance personnel cannot respond and deal with them in the first time. Summary of the invention

[0004] In view of the defects in the prior art, the present invention provides an AR intelligent operation and maintenance terminal device based on Ethernet wired connection. The present invention realizes real-time reminder of computer room operation and maintenance personnel to perform operation and maintenance task processing through an Ethernet switch, a network relay wired to the Ethernet switch, an alarm connected to the network relay, a network cable storage box wired to the Ethernet switch, an AR controller wired to the network cable storage box, and an AR head-mounted display connected to the AR controller, so that the operation and maintenance center personnel can view the work status and operation and maintenance data of the computer room operation and maintenance personnel in real time, and can also provide remote real-time support to the operation and maintenance personnel.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] The present invention provides an AR intelligent operation and maintenance terminal device based on Ethernet wired connection, comprising:

[0007] An Ethernet switch, a network relay connected to the Ethernet switch by wire, an alarm connected to the network relay, a network cable storage box connected to the Ethernet switch by wire, an AR controller connected to the network cable storage box by wire, and an AR head mounted display connected to the AR controller;

[0008] Among them, the Ethernet switch is used as an external data information interaction interface to connect with external devices; the alarm is used to receive control instructions output by the network relay; the AR controller is used to receive data information and output display content; the AR head-mounted display is used to display the display content output by the AR controller.

[0009] Furthermore, it also includes: a network converter, and the AR controller is connected to the network cable storage box by wire through the network converter.

[0010] Furthermore, the network converter is an RJ45 network port to USB / Type-C converter.

[0011] Furthermore, it also includes: a power supply, wherein the power supply is used to supply power to the AR controller, and / or the Ethernet switch, and / or the network relay.

[0012] Furthermore, the AR controller includes an RJ45 network interface.

[0013] Furthermore, the alarm is an audible and visual alarm.

[0014] Furthermore, the alarm is provided with a switch and a sound control device; the switch is used to control the working state, and the sound control device is used to adjust the alarm volume.

[0015] Furthermore, it also includes: a network cable, and both ends of the network cable are RJ45 crystal plugs.

[0016] Furthermore, the network relay receives the Modbus RTU / TCP protocol instruction sent by the Ethernet switch through the network port.

[0017] Furthermore, the power supply voltage is 220V.

[0018] It can be seen from the above technical scheme that the AR intelligent operation and maintenance terminal device based on Ethernet wired connection provided by the present invention includes: an Ethernet switch, a network relay wired to the Ethernet switch, an alarm connected to the network relay, a network cable storage box wired to the Ethernet switch, an AR controller wired to the network cable storage box, and an AR head-mounted display connected to the AR controller; wherein the Ethernet switch is used as an external data information interaction interface for connecting to external devices; the alarm is used to receive control instructions output by the network relay; the AR controller is used to receive data information and output display content; the AR head-mounted display is used to display the display content output by the AR controller. The present invention uses a special structural setting of an Ethernet switch, a network relay wired to the Ethernet switch, an alarm connected to the network relay, a network cable storage box wired to the Ethernet switch, an AR controller wired to the network cable storage box, and an AR head-mounted display connected to the AR controller, so that the AR intelligent operation and maintenance terminal device based on the Ethernet switch wired connection provided by the present invention can remind the computer room operation and maintenance personnel to perform operation and maintenance task processing in real time, so that the operation and maintenance center personnel can view the work status and operation and maintenance data of the computer room operation and maintenance personnel in real time, and can also provide remote real-time support to the operation and maintenance personnel; not only the efficiency of the operation and maintenance work is improved, but also the security of data transmission is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is a structural diagram of an AR intelligent operation and maintenance terminal device based on Ethernet wired connection provided by an embodiment of the present invention;

[0021] Figure 2 It is a structural schematic diagram of an AR intelligent operation and maintenance terminal device based on Ethernet wired connection provided by another embodiment of the present invention;

[0022] Figure 3 It is a structural schematic diagram of an AR intelligent operation and maintenance terminal device based on Ethernet wired connection provided by another embodiment of the present invention;

[0023] Figure 4 This is a schematic diagram of an application scenario of an AR intelligent operation and maintenance terminal device based on Ethernet wired connection provided by an embodiment of the present invention;

[0024] Figure 5 is a schematic diagram of an application scenario of an AR intelligent operation and maintenance terminal device based on Ethernet wired connection provided by another embodiment of the present invention;

[0025] The meanings of the numbers in the above figures are:

[0026] 101 represents an Ethernet switch; 102 represents a network relay; 103 represents an alarm; 104 represents a network cable storage box; 105 represents an AR controller; 106 represents an AR head-mounted display; 107 represents a network converter; and 108 represents a power supply. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Figure 1 A schematic diagram of the structure of an AR intelligent operation and maintenance terminal device based on Ethernet wired connection provided by an embodiment of the present invention is shown. Figure 1 The AR intelligent operation and maintenance terminal device based on Ethernet wired connection provided by the present invention includes:

[0029] An Ethernet switch 101, a network relay 102 connected to the Ethernet switch 101 by wire, an alarm 103 connected to the network relay 102, a network cable storage box 104 connected to the Ethernet switch 101 by wire, an AR controller 105 connected to the network cable storage box 104 by wire, and an AR head mounted display 106 connected to the AR controller 105;

[0030] Among them, the Ethernet switch 101 is used as an external data information interaction interface for connecting with external devices; the alarm 103 is used to receive the control instructions output by the network relay 102; the AR controller 105 is used to receive data information and output display content; the AR head-mounted display 106 is used to display the display content output by the AR controller 105.

[0031] In this embodiment, it can be understood that the Ethernet switch is connected to the network cable storage box and the network relay (or network remote relay) by wires to exchange data information and transmit instructions; for example, the network relay is connected to the Ethernet switch through the RJ45 network port through the network cable, so that the network relay is sent to the network relay through the network port to control the contact opening and closing state; for example, the Ethernet switch is responsible for connecting the external management system (management platform) or the AR intelligent operation and maintenance terminal device (AR intelligent wearable operation and maintenance terminal device), and interacting with the internal AR intelligent operation and maintenance terminal device for data information; the Ethernet switch is used as the only interface. The network relay controls whether the alarm is powered on or not through instructions; the network cable storage box can meet the transmission and storage requirements, wherein the network cable at the fixed end of the network cable storage box is connected to the Ethernet switch; the AR controller is responsible for receiving and processing information and outputting display content to the AR head-mounted display; the AR controller and the AR head-mounted display form a whole, and optionally, for the security of data transmission, the AR controller does not contain a wireless WiFi module and a Bluetooth module, thereby improving the security of data transmission. The AR head-mounted display is used to display the content in the AR controller, and the AR head-mounted display is also used as a device for collecting information.

[0032] It can be seen from the above technical scheme that the AR intelligent operation and maintenance terminal device based on Ethernet wired connection provided by the present invention includes: an Ethernet switch, a network relay wired to the Ethernet switch, an alarm connected to the network relay, a network cable storage box wired to the Ethernet switch, an AR controller wired to the network cable storage box, and an AR head-mounted display connected to the AR controller; wherein the Ethernet switch is used as an external data information interaction interface for connecting to external devices; the alarm is used to receive control instructions output by the network relay; the AR controller is used to receive and process data information, and output display content; the AR head-mounted display is used to display the display content output by the AR controller. The present invention uses a special structural setting of an Ethernet switch, a network relay wired to the Ethernet switch, an alarm connected to the network relay, a network cable storage box wired to the Ethernet switch, an AR controller wired to the network cable storage box, and an AR head-mounted display connected to the AR controller, so that the AR intelligent operation and maintenance terminal device based on the Ethernet switch wired connection provided by the present invention can remind the computer room operation and maintenance personnel to perform operation and maintenance task processing in real time, so that the operation and maintenance center personnel can view the work status and operation and maintenance data of the computer room operation and maintenance personnel in real time, and can also provide remote real-time support to the operation and maintenance personnel; not only the efficiency of the operation and maintenance work is improved, but also the security of data transmission is improved.

[0033] On the basis of the above embodiment, in this embodiment, it further includes: a network converter 107 , and the AR controller 105 is connected to the network cable storage box 104 via the network converter 107 .

[0034] In this embodiment, see Figure 2 , and also includes a network converter. The AR controller and the AR head-mounted display are connected to the network cable storage box 104 by wire through the network converter, and the converter type is determined according to the AR controller interface.

[0035] Based on the above embodiment, in this embodiment, the network converter 107 is an RJ45 network port to USB / Type-C converter.

[0036] In this embodiment, it can be understood that the network converter is an RJ45 network port to USB / Type-C converter, wherein the RJ45 network port and the network cable storage box can be extended and connected; the optional network converter is an RJ45 network port to USB converter.

[0037] On the basis of the above embodiment, this embodiment further includes: a power supply 108, wherein the power supply 108 is used to supply power to the AR controller 105, and / or the Ethernet switch 101, and / or the network relay 102.

[0038] In this embodiment, see Figure 3 It can be understood that the power supply is connected to the AR controller, and / or the Ethernet switch, and / or the network relay 102 to provide power support.

[0039] Based on the above embodiment, in this embodiment, the AR controller 105 includes an RJ45 network interface.

[0040] In this embodiment, it can be understood that if the AR controller 105 includes an RJ45 network interface, no network converter device is required.

[0041] Based on the above embodiment, in this embodiment, the alarm 103 is an audible and visual alarm.

[0042] In this embodiment, it can be understood that the alarm is an audible and visual alarm, and accordingly, the audible and visual alarm is connected to a network relay through wires, and the relay controls whether the audible and visual alarm is powered on or not through instructions.

[0043] On the basis of the above-mentioned embodiment, in this embodiment, the alarm 103 is provided with a switch and a sound control device; the switch is used to control the working state, and the sound control device is used to adjust the alarm volume.

[0044] In this embodiment, it can be understood that the alarm itself also has a switch for controlling the working state, and the volume of the alarm sound can be adjusted by the sound control device.

[0045] Based on the above embodiment, this embodiment further includes: a network cable, and both ends of the network cable are RJ45 crystal plugs.

[0046] In this embodiment, it can be understood that the material of the network cable can be a Category 6 network cable, and there is no restriction on the length of the network cable, which can be freely set according to needs; wherein, both ends of the network cable are RJ45 crystal plugs.

[0047] Based on the above embodiment, in this embodiment, the network relay 102 receives the Modbus RTU / TCP protocol instruction sent by the Ethernet switch 101 through the network port.

[0048] In this embodiment, it can be understood that the network relay, the RJ45 network port end is connected to the Ethernet switch through a network cable; Modbus RTU / TCP protocol instructions are sent to the relay through the network port to control the open and closed states of the contacts.

[0049] Based on the above embodiment, in this embodiment, the voltage of the power supply 108 is 220V.

[0050] In this embodiment, it can be understood that the power supply connected to the AR controller, and / or the Ethernet switch, and / or the network relay 102 provides power support with a voltage of 220V.

[0051] Based on the above embodiments, it should be noted that the AR head-mounted display is a special head-mounted display device that provides a simulated visual environment through a physical display optical lens, allowing the user to see the digital display and the world through glasses.

[0052] Based on the above embodiments, it should be noted that the AR controller integrates many controls, touchpads, small joysticks, and various control buttons, which are responsible for information processing; the network converter is used to switch between the wide area network and the internal LAN, that is, to separate the servers and lines of the internal and external networks to achieve complete physical isolation.

[0053] Based on the above embodiments, it should be noted that the network switch, whose technology is mainly based on various firewalls, is mainly because they are physically connected together and have paths and passages.

[0054] Based on the above embodiments, it should be noted that the Ethernet switch is a switch based on Ethernet data transmission. Ethernet is a local area network that uses a shared bus type transmission media. The structure of the Ethernet switch is that each port is directly connected to the host and generally works in full-duplex mode. The switch can connect many pairs of ports at the same time, so that each pair of hosts that communicate with each other can transmit data without conflict as if they had exclusive communication media.

[0055] On the basis of the above embodiments, it should be noted that the network relay is generally composed of an iron core, a coil, an armature, a contact spring, etc.; when a certain voltage is applied to both ends of the coil, a certain current will flow through the coil, thereby generating an electromagnetic effect, and the armature will overcome the pulling force of the return spring under the action of electromagnetic attraction and be attracted to the iron core, thereby driving the moving contact of the armature and the static contact (normally open contact) to be attracted; when the coil is powered off, the electromagnetic attraction will also disappear, and the armature will return to its original position under the reaction force of the spring, so that the moving contact and the original static contact (normally closed contact) are released; through attraction and release, the purpose of conduction and disconnection in the circuit is achieved; the "normally open, normally closed" contacts of the relay can be distinguished as follows: the static contact in the disconnected state when the relay coil is not energized is called a "normally open contact"; the static contact in the connected state is called a "normally closed contact"; the relay generally has two circuits, a low-voltage control circuit and a high-voltage working circuit.

[0056] Based on the above embodiments, it should be noted that the RJ45 interface is usually used for data transmission, and the most common application is the network card interface.

[0057] On the basis of the above-described embodiment, it should be noted that the Modbus communication protocol has multiple variants, and it has support serial ports (mainly RS-485 bus), multiple versions of Ethernet, among which the most famous are Modbus RTU, Modbus ASCII and Modbus TCP three kinds. Wherein Modbus RTU and Modbus ASCII are the communication protocols supporting RS-485 bus, wherein Modbus RTU has a higher communication efficiency and is widely used due to its use of binary representation and compact data structure. And Modbus ASCII is due to the use of ASCII code transmission, and the use of special characters as the start and end mark of its bytes, its transmission efficiency is much lower than Modbus RTU protocol, generally only in the case of less communication data volume, just consider using Modbus ASCII communication protocol, generally all is to adopt Modbus RTU protocol in industrial field, generally speaking, Modbus communication protocol based on serial communication refers to Modbus RTU communication protocol.

[0058] Based on the above embodiment, an application scenario of the present invention is as follows: Figure 4 The AR intelligent operation and maintenance terminal device based on Ethernet wired connection is connected to the external management platform through Ethernet, and the management platform issues tasks to the AR intelligent operation and maintenance terminal device through Ethernet. For example, the management platform sends instructions to the AR intelligent operation and maintenance terminal device based on Ethernet wired connection through the Modbus RTU / TCP protocol, and controls the opening and closing states of the network remote relay through the Ethernet switch; when the relay is turned on and the sound and light alarm switch is in the turned-on state, the alarm will sound and light alarm; when the relay is turned off, it stops; the AR controller is connected to the network converter and the network cable storage box, and can obtain task information through the Ethernet switch, and output the displayed content to the AR head-mounted display after processing by the AR controller; at the same time, the content collected by the AR head-mounted display will also be input into the AR controller, and after processing by the AR controller, it will be sent to the management platform through the Ethernet switch; the AR controller can also send instructions to the management platform to control the state of the network relay, thereby controlling the sound and light alarm.

[0059] Based on the above embodiment, an application scenario of the present invention is as follows: Figure 5 The AR intelligent operation and maintenance terminal device based on Ethernet wired connection is connected to an external AR intelligent operation and maintenance terminal device, or an AR intelligent wearable operation and maintenance terminal device, or an AR intelligent operation and maintenance terminal device based on Ethernet wired connection provided by the present invention via Ethernet, and sends task information to the AR intelligent operation and maintenance terminal device via Ethernet to perform data information interaction and command transmission.

[0060] Based on the above embodiments, the management platform and external AR intelligent operation and maintenance terminal devices can also be connected for comprehensive use according to actual tasks.

[0061] It can be seen from the above technical scheme that the AR intelligent operation and maintenance terminal device based on Ethernet wired connection provided in this embodiment includes: the AR intelligent operation and maintenance terminal device based on Ethernet wired connection provided by the present invention includes: an Ethernet switch, a network relay wired to the Ethernet switch, an alarm connected to the network relay, a network cable storage box wired to the Ethernet switch, an AR controller wired to the network cable storage box, an AR head-mounted display connected to the AR controller, a power supply and a network converter; wherein the Ethernet switch is used as an external data information interaction interface for connecting to external devices; the alarm is used to receive control instructions output by the network relay; the AR controller is used to receive and process data information, and output display content; the AR head-mounted display is used to display the display content output by the AR controller; the AR controller, Ethernet switch and network relay need to be connected to a power supply. The present invention uses a special structural setting of an Ethernet switch, a network relay wired to the Ethernet switch, an alarm connected to the network relay, a network cable storage box wired to the Ethernet switch, an AR controller wired to the network cable storage box, and an AR head-mounted display connected to the AR controller, so that the AR intelligent operation and maintenance terminal device based on the Ethernet switch wired connection provided by the present invention can remind the computer room operation and maintenance personnel to perform operation and maintenance task processing in real time, so that the operation and maintenance center personnel can view the work status and operation and maintenance data of the computer room operation and maintenance personnel in real time, and can also provide remote real-time support to the operation and maintenance personnel; not only the efficiency of the operation and maintenance work is improved, but also the security of data transmission is improved.

[0062] In the description of the present invention, it should be noted that the terms "upper", "lower", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present invention. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0063] It should also be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0064] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, a person skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An AR intelligent operation and maintenance terminal device based on Ethernet wired connection, characterized in that: include: An Ethernet switch, a network relay connected to the Ethernet switch by wire, an alarm connected to the network relay, a network cable storage box connected to the Ethernet switch by wire, an AR controller connected to the network cable storage box by wire, and an AR head mounted display connected to the AR controller; The Ethernet switch is used as an external data information interaction interface to connect with external devices; the alarm is used to receive the control instructions output by the network relay; the AR controller is used to receive data information and output display content; the AR head-mounted display is used to display the display content output by the AR controller; Among them, the AR intelligent operation and maintenance terminal device also includes: a network converter, and the AR controller is wired to the network cable storage box through the network converter; the AR controller contains an RJ45 network interface.

2. The AR intelligent operation and maintenance terminal device based on Ethernet wired connection according to claim 1 is characterized in that: The network converter is an RJ45 network port to USB / Type-C converter.

3. The AR intelligent operation and maintenance terminal device based on Ethernet wired connection according to claim 1 is characterized in that: Also includes: A power supply, wherein the power supply is used to power the AR controller, and / or the Ethernet switch, and / or the network relay.

4. The AR intelligent operation and maintenance terminal device based on Ethernet wired connection according to claim 1, characterized in that: The alarm is an audible and visual alarm.

5. The AR intelligent operation and maintenance terminal device based on Ethernet wired connection according to claim 1, characterized in that: The alarm is provided with a switch and a sound control device; the switch is used to control the working state, and the sound control device is used to adjust the alarm volume.

6. The AR intelligent operation and maintenance terminal device based on Ethernet wired connection according to claim 1, characterized in that: Also includes: A network cable, with RJ45 crystal connectors at both ends.

7. The AR intelligent operation and maintenance terminal device based on Ethernet wired connection according to claim 1, characterized in that: The network relay receives the Modbus RTU / TCP protocol instruction sent by the Ethernet switch through the network port.

8. The AR intelligent operation and maintenance terminal device based on Ethernet wired connection according to claim 3 is characterized in that: The power supply voltage is 220V.

Citation Information

Patent Citations

  • AR intelligent operation and maintenance terminal equipment based on Ethernet wired connection

    CN214174894U