Wireless communication device applied to limited space

By using a combined layout of wireless duplex multi-party call host, wireless headset and wireless AP equipment in cable tunnels, the problem of unstable communication during cable tunnel construction is solved, a stable communication network and flexible equipment layout is provided, and construction safety and efficiency are improved.

CN223142147UActive Publication Date: 2025-07-22WUHAN LUOJIA TIANMING ELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202422369902.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-07-22
Estimated Expiration
2034-09-26

AI Technical Summary

Technical Problem

During the construction of cable tunnels, traditional wireless communication equipment is difficult to achieve stable signal coverage and effective communication in a narrow and closed environment, resulting in unstable communication quality and affecting construction progress and safety.

Method used

Using a combination of wireless duplex multi-party call host, wireless headset, wireless AP equipment and wired cables, wireless AP equipment connected and evenly spaced wireless AP equipment ensures signal coverage and communication stability, and is equipped with emergency power supply and positioning modules to deal with power instability and equipment management needs.

Benefits of technology

A stable communication network in complex environments is realized, avoiding signal blind spots, enhancing the adaptability and reliability of the system, and ensuring construction safety and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of communication, and particularly discloses a wireless communication device applied to a limited space, which comprises a wireless duplex multi-party call host, a wireless earphone, a plurality of groups of wireless AP devices and a wired cable, the wireless AP devices are arranged at intervals, and the adjacent wireless AP devices are in wired connection through the wired cable. The wireless duplex multi-party call host is in wireless connection with one of the wireless AP devices through WIFI, and the wireless earphone is in wireless connection with the corresponding wireless AP device through WIFI. The wireless communication device can provide stable communication capability in a limited space. And a plurality of wireless AP devices are arranged and are connected through wired cables, so that the signal coverage range and the communication stability are ensured. And the wireless duplex multi-party call host is wirelessly connected with the WIFI of the wireless AP equipment, so that the communication flexibility is ensured. The wireless earphones are connected with the respective wireless AP devices to form a complete communication network, so that workers can keep real-time communication in a complex environment.
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Description

Technical Field

[0001] This application relates to the field of communication technologies, and in particular to a wireless communication device applied to a confined space. Background Art

[0002] During the construction process of cable tunnels, due to the narrow, enclosed tunnel environment with strong electromagnetic interference, traditional wireless communication devices such as mobile phones and walkie-talkies are difficult to achieve effective instant communication. This not only affects the communication and collaboration of construction workers, but also may have a serious impact on the construction progress and safety.

[0003] In addition, cable tunnels usually have complex structures and long construction distances. The signal coverage range of traditional wireless communication devices is limited, resulting in the inability to achieve full coverage, unstable communication quality, and frequent signal interruption or weakening, which further hinders the effective communication between workers.

[0004] Therefore, there is an urgent need for a wireless communication system that can adapt to the complex environment of cable tunnels, has high communication quality, and wide coverage to improve construction efficiency and safety. Utility Model Content

[0005] In order to achieve efficient and stable communication in a confined space, this application provides a wireless communication device applied to a confined space.

[0006] The wireless communication device applied to a confined space provided by this application adopts the following technical solutions:

[0007] A wireless communication device applied to a confined space is installed in the confined space and includes a wireless duplex multi-party call host, wireless earphones, wireless AP devices, and a wired cable. Multiple groups of the wireless AP devices are provided, and each of the wireless AP devices is installed at intervals in the confined space;

[0008] Adjacent ones of the wireless AP devices are connected by the wired cable in a wired manner. The wireless duplex multi-party call host is wirelessly connected to one of the wireless AP devices via WIFI. Multiple groups of the wireless earphones are provided corresponding to each of the wireless AP devices, and each of the wireless earphones is wirelessly connected to the corresponding wireless AP device via WIFI;

[0009] The wireless duplex multi-party call host and each of the wireless AP devices are electrically connected to an external fixed power supply.

[0010] By adopting the above technical solutions, this wireless communication device can provide stable communication capabilities in a restricted space. By setting up multiple wireless AP devices and connecting them with wired cables, the signal coverage range and communication stability are ensured. The wireless duplex multi-party call host is WIFI wirelessly connected to the wireless AP devices, ensuring communication flexibility. The wireless earphones form a complete communication network by connecting to their respective wireless AP devices, enabling staff to maintain real-time communication in complex environments.

[0011] Optionally, the adjacent wireless AP devices are evenly spaced, and the distance between adjacent wireless AP devices is 100m. The parameters of each wireless AP device are set identically to enable the signals of adjacent wireless AP devices to cover at the intersection.

[0012] By adopting the above technical solutions, by evenly spacing the adjacent wireless AP devices and maintaining a distance of 100 meters, it can ensure that the signal coverage areas of each wireless AP device overlap at the intersection, avoiding signal dead zones. This layout improves the continuity and stability of the overall signal coverage, ensuring that staff always maintain good communication quality during movement.

[0013] Optionally, the wired cable is installed in a movable manner within the restricted space.

[0014] By adopting the above technical solutions, the use of a movable wired cable installation makes the layout of the equipment more flexible. It can adjust the positions and connection methods of the wireless AP devices according to actual needs, adapting to the complex environment of the restricted space and changing construction requirements. This flexibility enhances the adaptability and maintainability of the system.

[0015] Optionally, an emergency power supply mechanism is also provided at each wireless AP device for temporarily supplying power to the wireless AP device when the external fixed power supply is unstable.

[0016] By adopting the above technical solutions, setting up an emergency power supply mechanism at each wireless AP device can ensure the continuous operation of the device and avoid communication interruption when the external power supply fails or is unstable. This design improves the reliability of the system and ensures construction safety.

[0017] Optionally, the emergency power supply mechanism includes a backup power supply and an automatic switching module. The backup power supply is electrically connected to the wireless AP device, and the automatic switching module is installed between the wireless AP device and the backup power supply for switching to the backup power supply for power supply when the external fixed power supply fails or is powered off.

[0018] By adopting the above technical solutions, through the combination of the backup power supply and the automatic switching module, seamless switching of power supply is achieved. When the external power supply is cut off, it automatically switches to the backup power supply to ensure that the system can continue to work at critical moments. This feature provides higher safety protection for construction workers and reduces communication interruptions caused by power failures.

[0019] Optionally, the emergency power supply mechanism further includes a dust collection box, and a plurality of interfaces for charging the wireless earphones are reserved on the outer shell of the dust collection box.

[0020] By adopting the above technical solutions, when the wireless earphones are out of power, the wireless earphones can be connected to the dust collection box to charge the wireless earphones, enabling the wireless earphones to work for a long time in a restricted space.

[0021] Optionally, a positioning module is integrated in the wireless earphone, and the positioning module is wirelessly connected to the corresponding wireless AP device.

[0022] By adopting the above technical solutions, integrating the positioning module in the wireless earphone enables the position of each wireless earphone to be monitored in real time. Through the wireless connection with the wireless AP device, it is possible to locate the last position of the wireless earphone when the signal is unstable or the earphone is turned off. This function improves the efficiency of management and scheduling, especially in complex construction environments, facilitating the safety management of personnel.

[0023] Optionally, a low battery alarm module is integrated in the wireless earphone, a small buzzer is provided on the wireless earphone, the low battery alarm module is wirelessly connected to the wireless AP device, and the small buzzer is electrically connected to the low battery alarm module.

[0024] By adopting the above technical solutions, the setting of the low battery alarm module can timely monitor the battery status of the earphone. When the battery level is lower than the set value, an alarm sound is emitted through the small buzzer to remind the staff to charge in time. The connection with the wireless AP device enables the system to centrally manage the battery status of all earphones, facilitating timely battery replacement or charging, thereby improving work efficiency and communication continuity.

[0025] In summary, the present application includes at least one of the following beneficial technical effects:

[0026] 1. This wireless communication device can provide stable communication capabilities in a restricted space. By setting multiple wireless AP devices and connecting them with wired cables, the signal coverage range and communication stability are ensured. The wireless duplex multi-party call host is WIFI wirelessly connected to the wireless AP device, ensuring communication flexibility. The wireless earphones form a complete communication network by connecting to their respective wireless AP devices, enabling staff to maintain real-time communication in complex environments;

[0027] 2. Set adjacent wireless AP devices at uniform intervals and maintain a distance of 100 meters, which can ensure that the signal coverage areas of each wireless AP device overlap at the intersection, avoiding signal dead zones. This layout improves the continuity and stability of the overall signal coverage, ensuring that the staff always maintains good communication quality during movement;

[0028] 3. Adopt movable wired cable installation, making the layout of the equipment more flexible. It can adjust the position and connection method of the wireless AP device according to actual needs, adapt to the complex environment of limited space and changing construction requirements, and enhance the adaptability and maintainability of the system;

[0029] 4. Set up an emergency power supply mechanism on each wireless AP device, which can ensure the continuous operation of the device in case of external power failure or instability, avoid communication interruption, improve the reliability of the system, and ensure construction safety;

[0030] 5. Integrate a positioning module in the wireless earphone, enabling the position of each wireless earphone to be monitored in real time. Through the wireless connection with the wireless AP device, it can locate the last position of the wireless earphone in case of signal instability or shutdown;

[0031] 6. The setting of the low battery alarm module can timely monitor the battery status of the earphone. When the battery level is lower than the set value, an alarm sound is emitted through a small buzzer to remind the staff to charge in time. The connection with the wireless AP device enables the system to centrally manage the battery status of all earphones, facilitating timely battery replacement or charging, thus improving work efficiency and communication continuity. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0033] Figure 1 It is a schematic diagram of the overall structure of the wireless communication device in the embodiment of the present application.

[0034] Reference numerals: 1, wireless duplex multi-party call host; 2, wireless earphone; 3, wireless AP device; 4, wired cable. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0035] The following will further describe the present application in detail Figure 1 in conjunction with the attached

[0036] The embodiments of the present application disclose a wireless communication device applicable to a confined space.

[0037] A wireless communication device applicable to a confined space, referring to Figure 1 , is installed in the confined space and includes a wireless duplex multi-party call host 1, wireless earphones 2, a wireless AP device 3, and a wired cable 4. Multiple groups of wireless AP devices 3 are provided, and each wireless AP device 3 is installed at intervals in the confined space.

[0038] Referring to Figure 1 , adjacent wireless AP devices 3 are connected by the wired cable 4 in a wired manner. The wireless duplex multi-party call host 1 is wirelessly connected to one of the wireless AP devices 3 via WIFI. Multiple groups of wireless earphones 2 are provided corresponding to each wireless AP device 3, and each wireless earphone 2 is wirelessly connected to the corresponding wireless AP device 3 via WIFI.

[0039] Both the wireless duplex multi-party call host 1 and each wireless AP device 3 are electrically connected to an external fixed power supply. The wired cable 4 is installed in a movable manner in the confined space. The installation of the movable wired cable 4 makes the layout of the device more flexible, and can adjust the position and connection mode of the wireless AP device 3 according to actual needs, adapting to the complex environment of the confined space and the changing construction requirements.

[0040] Referring to Figure 1 , adjacent wireless AP devices 3 are evenly spaced, and the distance between adjacent wireless AP devices 3 is 100 m. The parameters of each wireless AP device 3 are set identically, so that the signals of adjacent wireless AP devices 3 can cover at the intersection. It ensures that the signal coverage areas of each wireless AP device 3 overlap at the intersection, avoiding signal dead zones. This layout improves the continuity and stability of the overall signal coverage, ensuring that the staff can always maintain good communication quality during the movement.

[0041] An emergency power supply mechanism is also provided at each wireless AP device 3 for temporarily supplying power to the wireless AP device 3 when the power supply from the external fixed power supply is unstable.

[0042] The emergency power supply mechanism includes a backup power supply and an automatic switching module. The backup power supply has an AC 220V AC interface and a 12V DC power interface. The backup power supply is electrically connected to the wireless AP device 3. The automatic switching module is installed between the wireless AP device 3 and the backup power supply, and is used to switch to the backup power supply for power supply when the external fixed power supply fails or is powered off.

[0043] The emergency power supply mechanism also includes a dust collection box. Multiple interfaces for charging the wireless earphones 2 are reserved on the outer shell of the dust collection box, including multiple 12V power supplies and RJ45 interfaces, which facilitate the transmission of network signals and power from wireless AP devices 3, switches, etc. to the next level. When the wireless earphones 2 run out of power, the wireless earphones 2 can be connected to the dust collection box to charge the wireless earphones 2, enabling the wireless earphones 2 to work for a long time in a confined space.

[0044] A positioning module is integrated in the wireless earphones 2, and the positioning module is wirelessly connected to the corresponding wireless AP device 3. Integrating the positioning module in the wireless earphones 2 enables the position of each wireless earphone 2 to be monitored in real time. Through the wireless connection with the wireless AP device 3, it is possible to locate the last position of the wireless earphones 2 when the signal of the wireless earphones 2 is unstable or the wireless earphones 2 are powered off.

[0045] A low battery alarm module is integrated in the wireless earphones 2. A small buzzer is provided on the wireless earphones 2. The low battery alarm module is wirelessly connected to the wireless AP device 3, and the small buzzer is electrically connected to the low battery alarm module. The setting of the low battery alarm module can timely monitor the battery status of the earphones. When the battery level is lower than the set value, an alarm sound is emitted through the small buzzer to remind the staff to charge in time. The connection with the wireless AP device 3 enables the system to centrally manage the battery status of all earphones, facilitating timely battery replacement or charging, thereby improving work efficiency and communication continuity.

[0046] The implementation principle of a wireless communication device applied to a confined space in an embodiment of the present application is as follows: This wireless communication device can provide stable communication capabilities in a confined space. By setting multiple wireless AP devices 3 and connecting them with wired cables 4, the signal coverage range and communication stability are ensured. The wireless duplex multi-party call host 1 is wirelessly connected to the wireless AP device 3 via WIFI, ensuring communication flexibility. The wireless earphones 2 are connected to their respective wireless AP devices 3 to form a complete communication network, enabling the staff to maintain real-time communication in a complex environment.

[0047] The above are all optional embodiments of the present application, and the protection scope of the present application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A wireless communication device applied to a confined space, installed within the confined space, characterized in that: It includes a wireless duplex multi-party call host (1), wireless earphones (2), a wireless AP device (3), and a wired cable (4). A plurality of groups of the wireless AP devices (3) are provided, and each of the wireless AP devices (3) is installed at intervals in a restricted space; Adjacent ones of the wireless AP devices (3) are connected by the wired cable (4). The wireless duplex multi-party call host (1) is wirelessly connected to one of the wireless AP devices (3) via WIFI. A plurality of groups of the wireless earphones (2) are provided corresponding to each of the wireless AP devices (3), and each of the wireless earphones (2) is wirelessly connected to the corresponding wireless AP device (3) via WIFI; Both the wireless duplex multi-party call host (1) and each of the wireless AP devices (3) are electrically connected to an external fixed power supply.

2. The wireless communication device applied to a confined space according to claim 1, characterized in that: Adjacent ones of the wireless AP devices (3) are evenly spaced, and the distance between adjacent ones of the wireless AP devices (3) is 100 m. The parameters of each of the wireless AP devices (3) are set to be the same, so that the signals of adjacent ones of the wireless AP devices (3) can cover at the intersection.

3. The wireless communication device applied to a confined space according to claim 1, characterized in that: The wired cable (4) is installed in the restricted space in a movable manner.

4. The wireless communication device applied to a confined space according to claim 1, characterized in that: An emergency power supply mechanism for temporarily supplying power to the wireless AP device (3) when the power supply from the external fixed power supply is unstable is also provided at each of the wireless AP devices (3).

5. The wireless communication device applied to a confined space according to claim 4, wherein: The emergency power supply mechanism includes a backup power supply and an automatic switching module. The backup power supply is electrically connected to the wireless AP device (3), and the automatic switching module is installed between the wireless AP device (3) and the backup power supply and is used to switch to the backup power supply for power supply when the external fixed power supply fails or loses power.

6. The wireless communication device applied to a confined space according to claim 4, characterized in that: The emergency power supply mechanism further includes a dust collection box, and a plurality of interfaces for charging the wireless earphones (2) are reserved on the outer shell of the dust collection box.

7. A wireless communication device applied to a confined space according to claim 1, characterized in that: A positioning module is integrated in the wireless earphone (2), and the positioning module is wirelessly connected to the corresponding wireless AP device (3).

8. The wireless communication device applied to a confined space according to claim 1, wherein: A low battery alarm module is integrated in the wireless earphone (2). A small buzzer is provided on the wireless earphone (2). The low battery alarm module is wirelessly connected to the wireless AP device (3), and the small buzzer is electrically connected to the low battery alarm module.