Multi-output KU wave band satellite down converter
By designing a multi-faceted, high-efficiency heat dissipation device and a shielded signal receiving device, the heat dissipation and electromagnetic shielding problems of the satellite downconverter were solved, achieving stable operation and anti-interference effects for the equipment.
Patent Information
- Application Number
- CN202420633871.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-03-29
AI Technical Summary
Existing KU-band satellite downconverters have shortcomings in heat dissipation and electromagnetic shielding, which affect the stability and anti-interference capabilities of the equipment.
It employs a multi-path high-efficiency heat dissipation device and a shielded signal receiving device, combined with a cooling fan, coolant storage tank, micro circulating water pump and surrounding heat exchange pipes for liquid cooling, and achieves a double shielding effect through an aluminum alloy support shell and an electromagnetic shielding cover.
It improves heat dissipation efficiency, enhances the operational stability and anti-interference capabilities of the equipment, and ensures long-term reliable operation of the equipment.
Smart Images

Figure CN222602882U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a satellite down-converter, in particular to a multi-output KU band satellite down-converter. Background Art
[0002] The satellite signal downconverter, referred to as the high-frequency head, functions to linearly amplify the weak satellite TV signal received by the antenna and downconvert it to the intermediate frequency band for output to the set-top box receiver for decoding and TV playback. The KU-band satellite downconverter described in the current application number CN201822234309.3 needs to be improved in terms of heat dissipation and electromagnetic shielding effects. Therefore, a new type of satellite downconverter with efficient heat dissipation and good shielding effect is needed. Utility Model Content
[0003] The utility model aims to provide a multi-output KU band satellite down converter to solve the above technical problems.
[0004] To achieve the above purpose, the utility model adopts the following technical solutions:
[0005] A multi-output KU band satellite downconverter comprises a circular feed waveguide port, a waveguide tube, a multi-channel output signal cable, a multi-channel high-efficiency heat dissipation device, and a shielded signal receiving device. The right end of the circular feed waveguide port is equipped with a waveguide tube, the inner side and the middle part of the right end of the waveguide tube are equipped with a multi-channel output signal cable connected with solder, the bottom end of the waveguide tube is equipped with a multi-channel high-efficiency heat dissipation device, and the top end of the waveguide tube is equipped with a shielded signal receiving device.
[0006] Based on the above technical solution, the multi-path high-efficiency heat dissipation device includes a dustproof mounting shell, a dust filter, a cooling fan, a coolant storage box, a micro-circulating water pump, and a surround-type heat exchange pipe. The surface of the dustproof mounting shell is provided with convection vents and a dust filter is installed on the inside. Two groups of symmetrically distributed cooling fans are installed on the inside of the dustproof mounting shell. A coolant storage box is installed between the cooling fans. A micro-circulating water pump connected by a pipe is installed on the right end of the coolant storage box. Surround-type heat exchange pipes connected by pipes are installed on the top of the coolant storage box and the micro-circulating water pump.
[0007] Based on the above technical solution, the shielded signal receiving device includes a PVC shell, an aluminum alloy supporting shell, an electromagnetic shielding cover, a double-layer circuit board, and a KU-band satellite signal receiving antenna. The aluminum alloy supporting shell is installed on the inside of the PVC shell, and the inside of the aluminum alloy supporting shell is provided with an electromagnetic shielding cover that is bonded and fixed. The inside of the electromagnetic shielding cover is installed with a double-layer circuit board, and a KU-band satellite signal receiving antenna connected by wires is installed on the right side of the top of the double-layer circuit board.
[0008] Compared with the prior art, the utility model has the following advantages: the utility model inverter realizes the dual heat dissipation effects of air cooling and liquid cooling through the heat dissipation fan inside the multi-path high-efficiency heat dissipation device in conjunction with the coolant storage box, the micro-circulating water pump, and the surrounding heat exchange pipe, which effectively improves the heat dissipation efficiency and ensures the stability of equipment operation, and then cooperates with the shielded signal receiving device, the aluminum alloy supporting shell, and the electromagnetic shielding cover to achieve a double shielding effect to further enhance the operating stability and anti-interference effect of the double-layer circuit board. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 This is a schematic diagram of the appearance structure of the utility model.
[0010] Figure 2 This is a schematic diagram of the structure of the multi-path high-efficiency heat dissipation device of the utility model.
[0011] Figure 3 The figure is a schematic diagram of the structure of the shielded signal receiving device of the utility model.
[0012] In the figure: 1. circular feed waveguide port, 2. waveguide tube, 3. multi-channel output signal cable, 4. multi-channel high-efficiency heat dissipation device, 5. shielded signal receiving device, 6. dust-proof installation shell, 7. dust filter, 8. cooling fan, 9. coolant storage box, 10. micro-circulation water pump, 11. surround heat exchange pipeline, 12. PVC shell, 13. aluminum alloy support shell, 14. electromagnetic shielding cover, 15. double-layer circuit board, 16. KU band satellite signal receiving antenna. DETAILED DESCRIPTION
[0013] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0014] like Figure 1-3 As shown, a multi-output KU band satellite downconverter includes a circular feed waveguide port 1, a waveguide tube 2, a multi-channel output signal cable 3, a multi-channel high-efficiency heat dissipation device 4, and a shielded signal receiving device 5. The waveguide tube 2 is installed at the right end of the circular feed waveguide port 1, and the multi-channel output signal cable 3 connected with solder is installed on the inner side and the middle part of the right end of the waveguide tube 2. The bottom end of the waveguide tube 2 is installed with a multi-channel high-efficiency heat dissipation device 4, and the top of the waveguide tube 2 is installed with a shielded signal receiving device 5.
[0015] The multi-path high-efficiency heat dissipation device 4 includes a dustproof mounting shell 6, a dust filter 7, a heat dissipation fan 8, a coolant storage box 9, a micro-circulating water pump 10, and a surrounding heat exchange pipe 11. The surface of the dustproof mounting shell 6 is provided with a convection vent and a dust filter 7 is installed on the inside. Two groups of heat dissipation fans 8 are symmetrically installed on the inside of the dustproof mounting shell 6. A coolant storage box 9 is installed between the heat dissipation fans 8. A micro-circulating water pump 10 connected by a pipeline is installed at the right end of the coolant storage box 9. The surrounding heat exchange pipe 11 connected by a pipeline is installed at the top of the coolant storage box 9 and the micro-circulating water pump 10.
[0016] The shielded signal receiving device 5 includes a PVC shell 12, an aluminum alloy supporting shell 13, an electromagnetic shielding cover 14, a double-layer circuit board 15, and a KU band satellite signal receiving antenna 16. The aluminum alloy supporting shell 13 is installed on the inner side of the PVC shell 12, and the electromagnetic shielding cover 14 is bonded and fixed on the inner side of the aluminum alloy supporting shell 13. The double-layer circuit board 15 is installed on the inner side of the electromagnetic shielding cover 14, and the KU band satellite signal receiving antenna 16 connected by wires is installed on the right side of the top of the double-layer circuit board 15.
[0017] The working principle of the utility model is as follows: the signal is received through the KU band satellite signal receiving antenna on the top and processed through the double-layer circuit board, and finally the data is transmitted through the multi-channel output signal cable. At the same time, the PVC shell is used for waterproofing and corrosion resistance, and then the aluminum alloy support shell and the electromagnetic shielding cover are used to improve the anti-interference effect of the circuit board. At the same time, the coolant storage box, the micro-circulating water pump, and the surrounding heat exchange pipe drive the coolant to circulate and absorb and dissipate heat (liquid cooling), and then the cooling fan is used for air cooling and the coolant storage box is cooled at the same time, which effectively improves the heat dissipation efficiency of the equipment and ensures the stability of the equipment operation.
[0018] The above is a preferred embodiment of the present invention. For ordinary technicians in this field, according to the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, substitutions and variations made to the implementation methods are still within the scope of protection of the present invention.
Claims
1. A multi-output KU band satellite downconverter, comprising a circular feed waveguide port (1), a waveguide tube (2), a multi-channel output signal cable (3), a multi-channel high-efficiency heat dissipation device (4), and a shielded signal receiving device (5), characterized in that: A waveguide tube (2) is installed at the right end of the circular feed waveguide port (1); a multi-channel output signal cable (3) connected by solder is installed on the inner side and the middle of the right end of the waveguide tube (2); a multi-channel high-efficiency heat dissipation device (4) is installed at the bottom end of the waveguide tube (2); and a shielded signal receiving device (5) is installed at the top end of the waveguide tube (2).
2. A multi-output KU band satellite down converter according to claim 1, characterized in that: The multi-path high-efficiency heat dissipation device (4) comprises a dustproof mounting shell (6), a dust filter (7), a heat dissipation fan (8), a coolant storage box (9), a micro-circulating water pump (10), and a surrounding heat exchange pipe (11). The surface of the dustproof mounting shell (6) is provided with a convection vent and a dust filter (7) is installed on the inner side. Two groups of heat dissipation fans (8) are installed on the inner side of the dustproof mounting shell (6) and are symmetrically distributed. A coolant storage box (9) is installed between the heat dissipation fans (8). A micro-circulating water pump (10) connected to a pipeline is installed at the right end of the coolant storage box (9). The top of the coolant storage box (9) and the micro-circulating water pump (10) are installed with a surrounding heat exchange pipe (11) connected to a pipeline.
3. A multi-output KU band satellite down converter according to claim 1, characterized in that: The shielded signal receiving device (5) comprises a PVC shell (12), an aluminum alloy supporting shell (13), an electromagnetic shielding cover (14), a double-layer circuit board (15), and a KU-band satellite signal receiving antenna (16); the aluminum alloy supporting shell (13) is installed inside the PVC shell (12); the electromagnetic shielding cover (14) is bonded and fixed inside the aluminum alloy supporting shell (13); the double-layer circuit board (15) is installed inside the electromagnetic shielding cover (14); and the KU-band satellite signal receiving antenna (16) connected by wires is installed on the right side of the top of the double-layer circuit board (15).
Citation Information
Patent Citations
KU-band satellite down converter capable of receiving Beidou signals
CN209120180U