Novel cavity dual-local-oscillator dual-polarization dual-output frequency demultiplier
By designing electromagnetic shielding components and auxiliary heat dissipation components in the downloader, the problem of downloader being susceptible to electromagnetic interference and overheating on the mobile platform is solved, and effective protection and heat dissipation on mobile devices is achieved.
Patent Information
- Application Number
- CN202421617521.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-09
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-07-09
AI Technical Summary
Existing downs are susceptible to electromagnetic interference and overheating on mobile platforms.
A new cavity dual local oscillator dual-polarization dual output frequency downspeaker is designed, using electromagnetic shielding components to prevent electromagnetic interference, and automatically blow air to assist in heat dissipation during movement through auxiliary heat dissipation components.
It effectively prevents electromagnetic interference and solves the problem of frequency downs overheating through automatic air cooling. It is suitable for mobile devices such as mobile satellite communication vehicles and drones.
Smart Images

Figure CN222814752U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of frequency downconverters, and in particular to a novel cavity dual-local oscillator dual-polarization dual-output frequency downconverter. Background Art
[0002] A decimeter is a device or component used in many different fields. It is mainly used to reduce the frequency of a signal. It is usually used in multi-speed digital signal processing systems in the field of digital signal processing. It is a process or device used to reduce the sampling rate of a signal.
[0003] The existing patent document "CN213186292U Four-output Downconverter" discloses a downconverter. Although the downconverter in the above technical solution can be used for communication equipment, when it is used on mobile platforms such as mobile satellite communication vehicles and drones, the movement will cause changes in the environment, making it more susceptible to electromagnetic interference in different environments. At the same time, when used on mobile devices, it is easy to overheat in high temperature outdoor weather;
[0004] That is, the prior art has the following technical problems: ordinary downconverters are easily affected by electromagnetic interference in different environments and overheat when used on mobile platforms. Therefore, a new cavity dual local oscillator dual polarization dual output downconverter is proposed to address the above problems. Summary of the invention
[0005] In this embodiment, a novel cavity dual local oscillator dual polarization dual output downconverter is provided to solve the problem that ordinary downconverters in the prior art are easily affected by electromagnetic interference in different environments and overheat when used on mobile platforms.
[0006] According to one aspect of the present application, a novel cavity dual local oscillator dual polarization dual output downconverter is provided, and the novel cavity dual local oscillator dual polarization dual output downconverter comprises:
[0007] A dual-output downconverter, wherein the dual-output downconverter is fixedly disposed in the inner cavity of the electromagnetic shielding component;
[0008] A wind direction deflecting component, wherein the wind direction deflecting component is arranged at an upper end position of the electromagnetic shielding component;
[0009] An auxiliary heat dissipation component is fixedly arranged at the wind direction deflection component, and the bottom end of the auxiliary heat dissipation component extends into the inner cavity of the electromagnetic shielding component. The auxiliary heat dissipation component can automatically blow air to assist the dual-output downconverter in heat dissipation during movement.
[0010] Furthermore, the electromagnetic shielding component comprises an electromagnetic shielding cover, a heat dissipation through hole and a fixing sleeve, the dual-output downconverter is fixedly installed in the inner cavity of the electromagnetic shielding cover, and a heat dissipation through hole is opened on the inner cavity side wall of the electromagnetic shielding cover.
[0011] Furthermore, a fixing sleeve is fixedly provided on the upper wall of the inner cavity of the electromagnetic shielding cover.
[0012] Furthermore, a plurality of heat-conducting fins are fixedly connected to the side walls of the electromagnetic shielding cover.
[0013] Furthermore, the wind direction deflection component includes a rotating column, a rectangular adjustment block and a wind guide wing, and the rotating column is arranged at the fixing sleeve and is rotatably connected to the fixing sleeve.
[0014] Furthermore, a rectangular adjustment block is fixedly connected to the top end of the rotating column.
[0015] Furthermore, an air guide wing is fixedly connected to the upper surface of the rectangular adjustment block.
[0016] Furthermore, the auxiliary heat dissipation component includes a first rotating rod, a rotating blade, a first bevel gear, a second rotating rod, a second bevel gear and a heat dissipation blade, the first rotating rod is arranged at one side of the rectangular adjustment block and is rotatably connected to the rectangular adjustment block, an inner cavity is arranged inside the rectangular adjustment block, and one end of the first rotating rod extends into the inner cavity of the rectangular adjustment block.
[0017] Furthermore, a rotating blade is fixedly connected to one end of the first rotating rod.
[0018] Furthermore, a first bevel gear is fixedly connected to one end of the first rotating rod, a second rotating rod is rotatably connected in the inner cavity of the rectangular adjustment block, the bottom end of the second rotating rod passes through the rotating column and extends into the inner cavity of the electromagnetic shielding cover, a heat dissipation blade is fixedly connected to the bottom end of the second rotating rod, a second bevel gear is fixedly provided on the arc-shaped wall at the upper end of the second rotating rod, and the second bevel gear and the first bevel gear are meshed with each other.
[0019] The above-mentioned embodiments of the present application are particularly suitable for use on mobile devices, such as mobile satellite communication vehicles, drones and other mobile platforms. In order to solve the problem in the prior art that ordinary downconverters are susceptible to electromagnetic interference due to changes in the mobile environment, an electromagnetic shielding component is designed itself, and the electromagnetic shielding component plays a role in protecting the dual-output downconverter from interference. Furthermore, in order to solve the problem of insufficient heat dissipation and easy overheating of the dual-output downconverter caused by the provision of the electromagnetic shielding component, the present application further designs an auxiliary heat dissipation component, and the auxiliary heat dissipation component can automatically perform air cooling and auxiliary heat dissipation on the dual-output downconverter during the movement of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the embodiments of the present application 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 only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of a dual-output downconverter according to an embodiment of the present application;
[0022] Figure 2 This is a schematic diagram of the overall structure of an embodiment of the present application;
[0023] Figure 3 This is a schematic diagram of the internal structure of an embodiment of the present application;
[0024] Figure 4 A schematic cross-sectional view of an auxiliary heat dissipation component according to an embodiment of the present application.
[0025] In the figure:
[0026] Dual output downconverter 1;
[0027] Electromagnetic shielding component 2, electromagnetic shielding cover 201, heat dissipation through hole 202, fixing sleeve 203;
[0028] Heat conducting fin 3;
[0029] Wind direction deflection component 4, rotating column 401, rectangular adjustment block 402, wind guide wing 403;
[0030] Auxiliary heat dissipation component 5 , first rotating rod 501 , rotating blades 502 , first bevel gear 503 , second rotating rod 504 , second bevel gear 505 , heat dissipation blades 506 . DETAILED DESCRIPTION
[0031] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.
[0032] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.
[0033] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.
[0034] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.
[0035] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0036] See also Figure 1-4 As shown, a novel cavity dual local oscillator dual polarization dual output downconverter, the novel cavity dual local oscillator dual polarization dual output downconverter comprises:
[0037] A dual-output downconverter 1, wherein the dual-output downconverter 1 is fixedly arranged in the inner cavity of the electromagnetic shielding component 2;
[0038] A wind deflection component 4, wherein the wind deflection component 4 is arranged at an upper end position of the electromagnetic shielding component 2;
[0039] An auxiliary heat dissipation component 5, wherein the auxiliary heat dissipation component 5 is fixedly arranged at the wind direction deflection component 4, and the bottom end of the auxiliary heat dissipation component 5 extends into the inner cavity of the electromagnetic shielding component 2, and the auxiliary heat dissipation component 5 can automatically blow air to assist the dual-output downconverter 1 in heat dissipation during movement;
[0040] The above-mentioned technical scheme is particularly suitable for use on mobile devices, such as mobile satellite communication vehicles, unmanned aerial vehicles and other mobile platforms. In order to solve the problem in the prior art that ordinary downconverters are susceptible to electromagnetic interference due to changes in the mobile environment, an electromagnetic shielding component 2 is designed itself, and the electromagnetic shielding component 2 protects the dual-output downconverter 1 from interference. Furthermore, in order to solve the problem that the dual-output downconverter 1 is prone to overheating due to the setting of the electromagnetic shielding component 2 due to insufficient heat dissipation, the present application further designs an auxiliary heat dissipation component 5, and the auxiliary heat dissipation component 5 can automatically perform air cooling and auxiliary heat dissipation on the dual-output downconverter 1 during the movement of the equipment.
[0041] The electromagnetic shielding component 2 includes an electromagnetic shielding cover 201, a heat dissipation through hole 202 and a fixed sleeve 203. The dual-output downconverter 1 is fixedly installed in the inner cavity of the electromagnetic shielding cover 201. The heat dissipation through hole 202 is opened at the side wall of the inner cavity of the electromagnetic shielding cover 201. Through the present technical solution, the setting of the heat dissipation through hole 202 can play a role in auxiliary ventilation and improve the heat dissipation effect; a fixed sleeve 203 is fixedly set on the upper wall of the inner cavity of the electromagnetic shielding cover 201; a plurality of heat-conducting fins 3 are fixedly connected to the side wall of the electromagnetic shielding cover 201. Through the present technical solution, the setting of the heat-conducting fins 3 can further play a function of auxiliary heat dissipation.
[0042] The wind direction deflection component 4 includes a rotating column 401, a rectangular adjustment block 402 and a wind guide wing 403. The rotating column 401 is arranged at the fixed sleeve 203 and is rotatably connected to the fixed sleeve 203; the top of the rotating column 401 is fixedly connected with a rectangular adjustment block 402; the upper surface of the rectangular adjustment block 402 is fixedly connected with a wind guide wing 403. Through the technical solution, through the arrangement of the rectangular adjustment block 402 and the wind guide wing 403, it can automatically rotate and change as the wind direction changes during the movement.
[0043] The auxiliary heat dissipation component 5 includes a first rotating rod 501, a rotating blade 502, a first bevel gear 503, a second rotating rod 504, a second bevel gear 505 and a heat dissipation blade 506. The first rotating rod 501 is arranged at one side of the rectangular adjustment block 402 and is rotatably connected to the rectangular adjustment block 402. An inner cavity is arranged inside the rectangular adjustment block 402. One end of the first rotating rod 501 extends into the inner cavity of the rectangular adjustment block 402. The rotating blade 502 is fixedly connected to one end of the first rotating rod 501. A first bevel gear 503 is fixedly connected to one end of the first rotating rod 501, and a second rotating rod 504 is rotatably connected in the inner cavity of the rectangular adjustment block 402. The bottom end of the second rotating rod 504 passes through the rotating column 401 and extends into the inner cavity of the electromagnetic shielding cover 201. A heat dissipation blade 506 is fixedly connected to the bottom end of the second rotating rod 504. A second bevel gear 505 is fixedly provided on the arc-shaped wall at the upper end of the second rotating rod 504, and the second bevel gear 505 is meshed with the first bevel gear 503. Through the present technical scheme, when the present device is moving, the airflow during movement can drive the rotating blades 502 to rotate, thereby the rotation of the rotating blades 502 can drive the first rotating rod 501 to rotate, thereby the rotation of the first rotating rod 501 can drive the first bevel gear 503 to rotate, and then the rotation of the first bevel gear 503 can drive the second bevel gear 505 to rotate, and the rotation of the second bevel gear 505 can drive the second rotating rod 504 to rotate, and further drive the heat dissipation blades 506 to rotate, thereby the rotation of the heat dissipation blades 506 can blow air to the dual-output downconverter 1, thereby playing a role in auxiliary heat dissipation, thereby avoiding the problem of reduced heat dissipation effect and difficulty in sufficient heat dissipation caused by the use of the electromagnetic shielding cover 201.
[0044] The circuits, electronic components and modules involved are all prior art and can be fully implemented by those skilled in the art, and needless to say, the content protected by this application does not involve improvements to software and methods.
[0045] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A new cavity dual local oscillator dual polarization dual output downconverter, characterized by: The novel cavity dual local oscillator dual polarization dual output downconverter comprises: A dual-output frequency converter (1), wherein the dual-output frequency converter (1) is fixedly arranged in an inner cavity of an electromagnetic shielding component (2); A wind direction deflection component (4), wherein the wind direction deflection component (4) is arranged at an upper end position of the electromagnetic shielding component (2); An auxiliary heat dissipation component (5), wherein the auxiliary heat dissipation component (5) is fixedly arranged at the wind direction deflection component (4), and the bottom end of the auxiliary heat dissipation component (5) extends into the inner cavity of the electromagnetic shielding component (2). The auxiliary heat dissipation component (5) can automatically blow air to assist the dual-output downconverter (1) in heat dissipation during movement.
2. The novel cavity dual local oscillator dual polarization dual output downconverter according to claim 1 is characterized in that: The electromagnetic shielding component (2) comprises an electromagnetic shielding cover (201), a heat dissipation through hole (202) and a fixing sleeve (203); the dual-output downconverter (1) is fixedly installed in the inner cavity of the electromagnetic shielding cover (201); and the heat dissipation through hole (202) is provided on the inner cavity side wall of the electromagnetic shielding cover (201).
3. The novel cavity dual local oscillator dual polarization dual output downconverter according to claim 2 is characterized in that: A fixing sleeve (203) is fixedly arranged on the upper wall of the inner cavity of the electromagnetic shielding cover (201).
4. The novel cavity dual local oscillator dual polarization dual output downconverter according to claim 2 is characterized in that: A plurality of heat-conducting fins (3) are fixedly connected to the side wall of the electromagnetic shielding cover (201).
5. The novel cavity dual local oscillator dual polarization dual output downconverter according to claim 1 is characterized in that: The wind direction deflection component (4) comprises a rotating column (401), a rectangular adjustment block (402) and a wind guide wing (403); the rotating column (401) is arranged at the fixing sleeve (203) and is rotatably connected to the fixing sleeve (203).
6. The novel cavity dual local oscillator dual polarization dual output downconverter according to claim 5 is characterized in that: A rectangular adjustment block (402) is fixedly connected to the top end of the rotating column (401).
7. The novel cavity dual local oscillator dual polarization dual output downconverter according to claim 5 is characterized in that: A wind guide wing (403) is fixedly connected to the upper surface of the rectangular adjustment block (402).
8. The novel cavity dual local oscillator dual polarization dual output downconverter according to claim 1 is characterized in that: The auxiliary heat dissipation component (5) comprises a first rotating rod (501), a rotating blade (502), a first bevel gear (503), a second rotating rod (504), a second bevel gear (505) and a heat dissipation blade (506); the first rotating rod (501) is arranged at one side of the rectangular adjustment block (402) and is rotatably connected to the rectangular adjustment block (402); an inner cavity is arranged inside the rectangular adjustment block (402); one end of the first rotating rod (501) extends into the inner cavity of the rectangular adjustment block (402).
9. The novel cavity dual local oscillator dual polarization dual output downconverter according to claim 8 is characterized in that: A rotating blade (502) is fixedly connected to one end of the first rotating rod (501).
10. The novel cavity dual local oscillator dual polarization dual output downconverter according to claim 8, characterized in that: A first bevel gear (503) is fixedly connected to one end of the first rotating rod (501); a second rotating rod (504) is rotatably connected in the inner cavity of the rectangular adjustment block (402); the bottom end of the second rotating rod (504) passes through the rotating column (401) and extends into the inner cavity of the electromagnetic shielding cover (201); a heat dissipation blade (506) is fixedly connected to the bottom end of the second rotating rod (504); a second bevel gear (505) is fixedly arranged on the arc-shaped wall at the upper end of the second rotating rod (504); and the second bevel gear (505) and the first bevel gear (503) are meshed with each other.
Citation Information
Patent Citations
Four-output frequency demultiplier
CN213186292U