Module for data transmission
By designing an installation structure for the rapid installation and disassembly of the cooling fan of the data transmission module, the problem of inefficient heat dissipation of existing modules is solved, and more efficient heat dissipation effect and convenient maintenance process are achieved.
Patent Information
- Application Number
- CN202421408851.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-20
AI Technical Summary
The existing data transmission modules are inefficient in heat dissipation, and the installation and disassembly of the heat dissipation fan requires tools, and the bolts are installed too closely, resulting in low heat dissipation effect.
An installation structure including clamping blocks, limiting projections, guide grooves, mounting plates, mounting grooves and elastic sheets is designed to quickly install and remove the heat dissipation fan and improve the heat dissipation effect through the through-hole design.
The rapid installation and disassembly of the cooling fan is realized, the maintenance efficiency of the module is improved, and the cooling effect of the module is improved through the optimization of the cooling design.
Smart Images
Figure CN222674311U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of data transmission modules, in particular to a module used for data transmission. Background Art
[0002] Wireless data transmission modules use radio waves or other wireless signals to transmit data between devices. Depending on the communication protocol and frequency, these modules can have different application scenarios. The following are some common types of wireless data transmission modules and their characteristics.
[0003] However, in the implementation of relevant technologies, the following problems were found: a common data transmission module requires a corresponding heat dissipation mechanism to be installed in its housing, which causes the module temperature to be too high; however, the cooling fan is usually installed by bolts, which requires tools for disassembly, and the bolts are installed too tightly, resulting in a low heat dissipation effect. For this reason, the present application proposes a module for data transmission. Utility Model Content
[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.
[0005] In view of the deficiencies in the prior art, the utility model provides a module for data transmission, which overcomes the deficiencies in the prior art.
[0006] In order to solve the above problems, the utility model adopts the following technical solutions:
[0007] A module for data transmission comprises a digital signal processing board, wherein two sides of the top of the digital signal processing board are respectively connected with a high-power radio frequency transceiver circuit and a cooling fan, the cooling fan is installed above the digital signal processing board through a mounting structure, and the mounting structure can realize rapid installation and removal of the cooling fan, the bottom of the digital signal processing board is connected with a circuit board, and an antenna connector is fixedly installed at one end of the digital signal processing board.
[0008] As a preferred technical solution of the utility model, the mounting structure includes a clamping block, a limiting protrusion, a guide groove, a mounting plate, a mounting groove and an elastic sheet. The clamping block is fixedly connected to the bottom of the cooling fan, the limiting protrusion is fixedly connected to both ends of the clamping block, the mounting groove is opened at the top of the digital signal processing board, and the guide groove is opened on both sides of the inner cavity of the mounting groove, the mounting plate is fixedly connected to the inside of the mounting groove, the elastic sheet is fixedly connected to one side of the mounting plate, and the elastic sheet is clamped to the inside of the clamping block.
[0009] As a preferred technical solution of the utility model, the interiors of the mounting plate and the clamping block are both provided with flow holes.
[0010] As a preferred technical solution of the utility model, an AD / DA circuit and an FPGA circuit are installed outside the digital signal processing board.
[0011] As a preferred technical solution of the utility model, the limiting protrusion is located inside the guide groove, and inclined surfaces are provided on both sides of the guide groove for guiding the limiting protrusion.
[0012] As a preferred technical solution of the utility model, the transmission signal output port of the digital signal processing board is provided with a power amplifier.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] (1) The mounting structure is uniquely designed and includes a snap-in block, a limiting protrusion, a guide groove, a mounting plate, a mounting groove and an elastic sheet. The snap-in block is fixedly connected to the bottom of the cooling fan, while the limiting protrusion is fixedly connected to both ends of the snap-in block. The mounting groove is opened on the top of the digital signal processing board and has a guide groove inside. The mounting plate is fixedly connected to the inside of the mounting groove, while the elastic sheet is fixedly connected to one side of the mounting plate and snapped to the inside of the snap-in block. This design enables the cooling fan to be quickly installed and disassembled, thereby improving the maintenance efficiency of the module.
[0015] (2) The RF transmitting circuit realizes the full-band digital-to-analog conversion and transmission function of one digital signal. After the digital-to-analog conversion by the DA circuit and the FPGA circuit, the digital signal is amplified, filtered, coupled and other functions are performed before being output through the antenna port. The amplification gain of the port is designed to be high, and a power amplifier is used to design the output power to be 32.5dBm, which is more than 4 times the power output of the original product. At the same time, the power efficiency and heat dissipation measures of the power devices are fully considered, and the heat sink design is added to achieve high power output while the product works stably. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:
[0017] Figure 1 It is a front view of the utility model;
[0018] Figure 2 It is a front view of the installation structure of the utility model;
[0019] Figure 3 It is a front view of the mounting plate in the utility model;
[0020] Figure 4 For the utility model Figure 2 A magnified schematic diagram of point A;
[0021] The corresponding relationship between the illustrations and component names in the figure is as follows:
[0022] 1. Digital signal processing board; 2. Circuit board; 3. Antenna connector; 4. High-power RF transceiver circuit; 5. Cooling fan; 6. Card block; 7. Limiting protrusion; 8. Guide groove; 9. Mounting plate; 10. Mounting groove; 11. Elastic sheet. DETAILED DESCRIPTION
[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are further described in detail below in conjunction with the accompanying drawings.
[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0025] Secondly, the "one embodiment" or "embodiment" referred to herein refers to specific features, structures or characteristics that may be included in at least one implementation method of the present invention. The "in one embodiment" appearing in different places in this specification does not all refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.
[0026] The utility model proposes a module for data transmission, such as Figures 1 to 4 As shown, it includes a digital signal processing board 1, and the two sides of the top of the digital signal processing board 1 are respectively connected to a high-power radio frequency transceiver circuit 4 and a cooling fan 5, the bottom of the digital signal processing board 1 is connected to a circuit board 2, an antenna connector 3 is fixedly installed at one end of the digital signal processing board 1, an AD / DA circuit and an FPGA circuit are installed on the outside of the digital signal processing board 1, and a power amplifier is provided at the transmission signal output port of the digital signal processing board 1.
[0027] Specifically, AD9361 generates a coded modulated signal, the driver amplifier increases the amplitude of the signal, and then the low-pass filter filters out the out-of-band clutter. The filtered signal is amplified by the final power amplifier, and the output power is greatly improved. The output power range of AD9361 can be adjusted to make the module have three power levels: large (≥32.5dBm), medium (18.5dBm~21.5dBm), and small (8.5dBm~11.5dBm). The directional coupler extracts the forward transmitted signal and the reverse signal and provides them to the detector. The detector converts the current coupled forward signal amplitude and reverse signal amplitude into voltage signals to determine whether the product is working normally. The transmitted signal is finally radiated from the antenna port after passing through the RF switch and filter.
[0028] The implementation process of the receiving processing part is as follows: after the antenna port captures the corresponding RF signal, the interference signal is first filtered out by the filter, and the RF switch realizes the switching of the receiving path and the transmitting path. In the receiving state, the RF switch turns on the receiving path, and the received signal can be transmitted to the first-stage LNA amplifier. The digitally controlled attenuator can realize the amplitude adjustment function on the path, so as to adjust the overall gain of the receiving link and make the product work in the best state. After passing through the digitally controlled attenuator, the second-stage LNA amplifier is performed, and the signal is amplified to the rated amplitude and input to the limiter. The limiter plays a protective role to prevent the signal amplitude from being too large to damage AD9361. After receiving the signal, AD9361 performs demodulation processing to extract useful information. The RF transceiver circuit is the core of the digital transmission module. Compared with the original product, the performance indicators of the transmitting and receiving channels of this digital transmission module have been greatly improved.
[0029] like Figure 2 , Figure 3 and Figure 4 As shown, the cooling fan 5 is installed above the digital signal processing board 1 through a mounting structure, and the mounting structure can realize the rapid installation and disassembly of the cooling fan 5. The mounting structure includes a clamping block 6, a limiting protrusion 7, a guide groove 8, a mounting plate 9, a mounting groove 10 and an elastic sheet 11. The clamping block 6 is fixedly connected to the bottom of the cooling fan 5, the limiting protrusion 7 is fixedly connected to both ends of the clamping block 6, the mounting groove 10 is arranged at the top of the digital signal processing board 1, and the guide groove 8 is arranged on both sides of the inner cavity of the mounting groove 10, the mounting plate 9 is fixedly connected to the inside of the mounting groove 10, the elastic sheet 11 is fixedly connected to one side of the mounting plate 9, and the elastic sheet 11 is clamped to the inside of the clamping block 6, and the inside of the mounting plate 9 and the clamping block 6 are both provided with flow holes, the limiting protrusion 7 is located inside the guide groove 8, and both sides of the guide groove 8 are provided with inclined surfaces for guiding the limiting protrusion 7.
[0030] Specifically, the clamping block 6 serves as the fixed part at the bottom of the cooling fan 5 and is the basis of the entire installation structure. During the installation process, the clamping block 6 is aligned with the installation slot 10 on the digital signal processing board 1 to ensure that the cooling fan 5 can be accurately placed in the predetermined position. The limiting protrusions 7 are fixed at both ends of the clamping block 6. Their main function is to ensure that the clamping block 6 can smoothly enter the installation slot 10 and remain in the correct position. During installation, the limiting protrusions 7 slide in along the inclined surface of the guide slot 8 to play a guiding and positioning role. The guide slots 8 are opened on both sides of the inner cavity of the installation slot 10 to provide a sliding path for the limiting protrusions. The inclined surface design on both sides makes the installation process smoother and reduces the installation resistance. The mounting plate 9 is fixedly connected to the inside of the mounting groove 10, providing a fixed support for the elastic sheet 11. At the same time, the flow hole design inside the mounting plate 9 and the clamping block 6 ensures air circulation, which is helpful for the heat dissipation effect of the cooling fan 5. The elastic sheet 11 is a key component in the installation structure. It is fixed to one side of the mounting plate 9 and clamped to the inside of the clamping block 6. During the installation process, the elasticity of the elastic sheet 11 enables the clamping block 6 to easily enter the mounting groove 10 and automatically clamp after being in place to fix the cooling fan 5. During disassembly, the elastic sheet 11 can also provide a certain elastic force, making the disassembly process easier. The mounting groove 10 is opened on the top of the digital signal processing board 1, providing space for the installation of the cooling fan 5. The design of the mounting groove 10 needs to match the shape and size of the clamping block 6 and the limiting protrusion to ensure the accuracy and stability of the installation.
[0031] What needs to be explained in the above scheme is that AD / DA uses AD9361 chip as data acquisition chip, and FPGA uses Xilinx Kintex®-7 FPGA chip with model number XC7K160T-2FFG676.
[0032] The working principle of the utility model is as follows: first, after the digital signal processing board 1 is started, its external AD / DA circuit starts to work, and the AD converter converts the analog signal (such as the signal obtained from the sensor or other analog device) into a digital signal so that the digital signal processing board 1 can process it. Similarly, the DA converter converts the digital signal generated by the digital signal processing board 1 back into an analog signal so as to interact with the analog device. At the same time, the FPGA circuit is also working. The programmable logic block of the FPGA will perform different digital circuit functions according to the user's programming instructions, which may include data processing, control logic, etc. The high-speed computing capability of FPGA enables the digital signal processing board 1 to process a large amount of data in real time. In the process of data processing, the high-power radio frequency transceiver circuit 4 plays a key role. It is responsible for converting the data processed by the digital signal processing board 1 into radio frequency signals and transmitting them through the antenna connector 3 and the antenna. At the same time, it can also receive radio frequency signals from the outside and convert them into digital signals that can be processed by the digital signal processing board 1. In the process of data processing and radio frequency transceiver, the digital signal processing board 1 will generate a lot of heat. At this time, the cooling fan 5 starts to work. Through the rapid installation and disassembly of the mounting structure (including the clamping block 6, the limiting protrusion 7, the guide groove 8, the mounting plate 9, the mounting groove 10 and the elastic sheet 11), the cooling fan 5 can be easily connected and separated from the digital signal processing board 1. The rotation of the cooling fan 5 will generate airflow, which will take away the heat on the board through the ventilation holes on the digital signal processing board 1 to ensure the stable operation of the digital signal processing board 1. In addition, the power amplifier of the transmission signal output port amplifies the power of the radio frequency signal to ensure that the signal can be received by a long-distance receiving device. The directional coupler and detector are used to monitor the status of the transmitted signal to ensure the normal operation of the product. In the entire workflow, the digital signal processing board 1 and its components work together to realize data processing, conversion, transmission and reception, while ensuring stable heat dissipation and normal operation of the equipment. This design enables the digital signal processing board 1 to efficiently and reliably complete various complex signal processing tasks.
[0033] The above content is a further detailed description of the utility model in combination with the specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. Although the utility model is described in detail with reference to the aforementioned embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A module for data transmission, comprising a digital signal processing board (1), characterized in that: The two sides of the top of the digital signal processing board (1) are respectively connected to a high-power radio frequency transceiver circuit (4) and a cooling fan (5); the cooling fan (5) is installed above the digital signal processing board (1) via a mounting structure; the mounting structure can realize rapid installation and removal of the cooling fan (5); the bottom of the digital signal processing board (1) is connected to a circuit board (2); and an antenna connector (3) is fixedly installed at one end of the digital signal processing board (1).
2. A module for data transmission according to claim 1, characterized in that: The mounting structure comprises a clamping block (6), a limiting protrusion (7), a guide groove (8), a mounting plate (9), a mounting groove (10) and an elastic sheet (11); the clamping block (6) is fixedly connected to the bottom of the cooling fan (5); the limiting protrusion (7) is fixedly connected to both ends of the clamping block (6); the mounting groove (10) is arranged on the top of the digital signal processing board (1), and the guide groove (8) is arranged on both sides of the inner cavity of the mounting groove (10); the mounting plate (9) is fixedly connected to the inside of the mounting groove (10); the elastic sheet (11) is fixedly connected to one side of the mounting plate (9), and the elastic sheet (11) is clamped to the inside of the clamping block (6).
3. A module for data transmission according to claim 2, characterized in that: The mounting plate (9) and the clamping block (6) are both provided with flow holes inside.
4. A module for data transmission according to claim 1, characterized in that: An AD / DA circuit and an FPGA circuit are installed outside the digital signal processing board (1).
5. A module for data transmission according to claim 2, characterized in that: The limiting protrusion (7) is located inside the guide groove (8), and inclined surfaces are provided on both sides of the guide groove (8) for guiding the limiting protrusion (7).
6. A module for data transmission according to claim 1, characterized in that: The transmission signal output port of the digital signal processing board (1) is provided with a power amplifier.