Wireless image transmission system for three-frequency-band transmission

Through the three-band transmission system and frequency band detection unit, the problem of frequency band interference in wireless image transmission is solved, and the stability and smoothness of wireless transmission are achieved.

CN223261570UActive Publication Date: 2025-08-22SHENZHEN ZO VIDEO TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422588322.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2025-08-22
Estimated Expiration
2034-10-24

AI Technical Summary

Technical Problem

The existing wireless image transmission system is susceptible to WIFI hotspot interference in the 5.8G and 2.4G free frequency bands, resulting in transmission blockage, increased delay or interruption, affecting the image transmission effect.

Method used

A three-band transmission system is adopted, including 5.8G, 2.4G and SUB 1G wireless transmission units, and is equipped with a frequency band detection unit and a key unit. The frequency band selection is controlled through the main control module to avoid congested frequency bands for transmission.

Benefits of technology

It realizes smooth wireless transmission, ensures the stability of video transmission, and avoids signal interruption caused by frequency band congestion.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223261570U_ABST
    Figure CN223261570U_ABST
Patent Text Reader

Abstract

The utility model discloses a wireless image transmission system with three-frequency-band transmission, which comprises a main control module and a wireless transmission module electrically connected with the main control module, the wireless transmission module comprises a 5.8 G wireless transmission unit, a 2.4 G wireless transmission unit and a SUB 1G wireless transmission unit, the main control module is used for processing data and controlling the image transmission system to work, and the wireless transmission module is electrically connected with the main control module. The 5.8 G wireless transmission unit is used for carrying out data transmission in a 5.8 G frequency band, the 2.4 G wireless transmission unit is used for carrying out data transmission in a 2.4 G frequency band, and the SUB 1G wireless transmission unit is used for carrying out data transmission in a SUB 1G frequency band. The beneficial effects of the utility model lie in that the three working frequency bands are provided, the smoothness of wireless transmission can be ensured, and the stability of video transmission is ensured.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of image transmission systems, and in particular to a wireless image transmission system with three-band transmission. Background Art

[0002] Existing wireless image transmission systems typically involve a transmitter capturing input video signals via an HDMI or SDI interface, encoding them via H.264 or H.265, and then transmitting them to a receiver via a wireless module. The receiver then decodes the data received via the wireless module before outputting the signal. Currently, the wireless transmission portion of this solution typically utilizes the free 5.8GHz and / or 2.4GHz frequency bands. Because these bands are free, the presence of numerous Wi-Fi hotspots in certain scenarios can interfere with wireless signals, leading to congestion, increased latency, or even interruptions, impacting image transmission quality.

[0003] Therefore, the existing technology has defects and needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a wireless image transmission system with three-band transmission.

[0005] The technical solution of the present invention is as follows: The present invention provides a three-band wireless image transmission system, including: a main control module and a wireless transmission module electrically connected to the main control module, the wireless transmission module including: a 5.8G wireless transmission unit, a 2.4G wireless transmission unit and a SUB 1G wireless transmission unit, the main control module is used to perform data processing and control the operation of the image transmission system, the 5.8G wireless transmission unit is used to transmit data in the 5.8G frequency band, the 2.4G wireless transmission unit is used to transmit data in the 2.4G frequency band, and the SUB 1G wireless transmission unit is used to transmit data in the SUB 1G frequency band.

[0006] Furthermore, the wireless transmission module also includes: a wireless transmission MCU unit, a USB-HUB unit, and a main control connection interface. The main control connection interface is electrically connected to the main control module, USB-HUB unit, and wireless transmission MCU unit respectively. The USB-HUB unit is electrically connected to the 5.8G wireless transmission unit, 2.4G wireless transmission unit, and SUB 1G wireless transmission unit respectively.

[0007] Furthermore, the wireless transmission module further includes a frequency band detection unit, and the frequency band detection unit is electrically connected to the wireless transmission MCU unit.

[0008] Furthermore, the wireless transmission module includes a display unit, the display unit is electrically connected to the wireless transmission MCU unit, and the display unit includes a display screen.

[0009] Furthermore, the wireless transmission module includes a key unit, and the key unit includes a plurality of key switches for manually selecting a frequency band.

[0010] By adopting the above solution, the beneficial effect of the utility model is that it has three working frequency bands, which can ensure the smoothness of wireless transmission and the stability of video transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a circuit structure block diagram of an embodiment of the present utility model.

[0012] Figure 2 This is a circuit diagram of a 5.8G wireless transmission unit according to an embodiment of the present invention.

[0013] Figure 3 This is a circuit diagram of a 2.4G wireless transmission unit according to an embodiment of the present invention.

[0014] Figure 4 FIG. 1 is a circuit diagram of a SUB 1G wireless transmission unit according to an embodiment of the present invention.

[0015] Figure 5 This is a circuit diagram of a main control connection interface according to an embodiment of the present invention.

[0016] Figure 6 FIG. 1 is a circuit diagram of a USB-HUB unit according to an embodiment of the present invention.

[0017] Figure 7 This is a circuit diagram of a wireless transmission MCU unit according to an embodiment of the present invention.

[0018] Figure 8A and 8B This is a circuit diagram of a display unit according to an embodiment of the present invention.

[0019] Figure 9 This is a circuit diagram of a key unit according to an embodiment of the present invention.

[0020] Figure 10 This is a circuit diagram of a frequency band detection unit according to an embodiment of the present invention. DETAILED DESCRIPTION

[0021] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0022] Please refer to Figures 1 to 10In this embodiment, the utility model provides a three-band wireless image transmission system, which can be used for a transmitting end or a receiving end, and includes: a main control module and a wireless transmission module electrically connected to the main control module, the wireless transmission module includes: a 5.8G wireless transmission unit, a 2.4G wireless transmission unit and a SUB1G wireless transmission unit, the main control module is used to process data and control the operation of the image transmission system. In this embodiment, the main control module includes a main control chip model NT98528. The 5.8G wireless transmission unit is used to transmit data in the 5.8G (Hz) frequency band, the 2.4G wireless transmission unit is used to transmit data in the 2.4G (Hz) frequency band, and the SUB 1G wireless transmission unit is used to transmit data in the SUB 1G (Hz) frequency band, wherein SUB 1G refers to a communication frequency below 1GHz.

[0023] Furthermore, the wireless transmission module also includes: a wireless transmission MCU unit, a USB-HUB unit, and a main control connection interface J1. The main control connection interface J1 is used to connect the main control module. The main control connection interface J1 is electrically connected to the main control module, the USB-HUB unit, and the wireless transmission MCU unit respectively. The USB-HUB unit is electrically connected to the 5.8G wireless transmission unit, the 2.4G wireless transmission unit, and the SUB 1G wireless transmission unit respectively. The wireless transmission MCU unit is used for data processing and controlling the operation of the wireless transmission module.

[0024] Furthermore, the wireless transmission module also includes a frequency band detection unit, which includes a radio frequency chip with model AL7230. The frequency band detection unit is electrically connected to the wireless transmission MCU unit. The frequency band detection unit can be used to detect whether the frequency band is congested, such as detecting the number of corresponding frequency bands, and then sending the data to the wireless transmission MCU unit. The wireless transmission MCU unit can select a non-congested frequency band, thereby avoiding congested frequency bands and ensuring smooth transmission.

[0025] Furthermore, the wireless transmission module includes a display unit, which is electrically connected to the wireless transmission MCU unit. The display unit includes a display screen that can display work-related information.

[0026] Furthermore, the wireless transmission module includes a key unit, and the key unit includes a plurality of key switches for manually selecting a frequency band. The key switches can be used to manually select a frequency band for data transmission.

[0027] Furthermore, the wireless transmission module also includes a USB-C unit and an analog switch unit. The USB-C unit includes a USB type-C interface. The USBC unit is connected to the main control connection interface J1 through the analog switch unit. The USB-HUB unit is also electrically connected to the main control connection interface J1 through the analog switch unit. The analog switch unit can switch whether the main control connection interface J1 is connected to the USB-C unit or the USB-HUB unit, and can realize wired data transmission function through the USB type-C interface.

[0028] When the wireless image transmission system of this solution is working, the main control module can control the wireless transmission module to transmit data in the 5.8G frequency band, 2.4G frequency band or SUB 1G frequency band, which can avoid signal transmission problems caused by frequency band congestion.

[0029] In summary, the beneficial effect of this solution is that it has three working frequency bands, which can ensure smooth wireless transmission and stable video transmission.

[0030] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A wireless image transmission system with three-band transmission, characterized in that: include: A main control module and a wireless transmission module electrically connected to the main control module, the wireless transmission module including: a 5.8G wireless transmission unit, a 2.4G wireless transmission unit and a SUB 1G wireless transmission unit. The main control module is used to process data and control the operation of the image transmission system. The 5.8G wireless transmission unit is used to transmit data in the 5.8G frequency band, the 2.4G wireless transmission unit is used to transmit data in the 2.4G frequency band, and the SUB 1G wireless transmission unit is used to transmit data in the SUB 1G frequency band.

2. The three-band wireless image transmission system according to claim 1, characterized in that: The wireless transmission module also includes: a wireless transmission MCU unit, a USB-HUB unit, and a main control connection interface. The main control connection interface is electrically connected to the main control module, USB-HUB unit, and wireless transmission MCU unit respectively. The USB-HUB unit is electrically connected to the 5.8G wireless transmission unit, 2.4G wireless transmission unit, and SUB 1G wireless transmission unit respectively.

3. The three-band wireless image transmission system according to claim 2, characterized in that: The wireless transmission module further includes a frequency band detection unit, which is electrically connected to the wireless transmission MCU unit.

4. The three-band wireless image transmission system according to claim 2, characterized in that: The wireless transmission module includes a display unit, which is electrically connected to the wireless transmission MCU unit. The display unit includes a display screen.

5. The three-band wireless image transmission system according to claim 2, characterized in that: The wireless transmission module includes a key unit, and the key unit includes a plurality of key switches for manually selecting a frequency band.