High-power radio frequency combiner

Abstract

The utility model provides a high power radio frequency combiner, which comprises a shell, and an energy storage transmission structure and a heat dissipation structure which are arranged on the shell, the energy storage transmission structure comprises a circuit board, a cavity filter is embedded in the circuit board, and the cavity filter is electrically connected with the circuit board; the number of the cavity filters is multiple, a front panel of the shell is provided with multiple input ports and an output port, the number of the input ports is consistent with the number of the cavity filters, and each input port is correspondingly connected with one cavity filter through a cable and then is connected to the output port in parallel. The combined output of radio frequency power sources connected with a plurality of input ports is realized; the heat radiation structure comprises a heat radiation fan and a heat radiator; the cooling fan is arranged on a front panel of the shell, and the radiator is arranged on the rear side in the shell. According to the utility model, the structure is optimized, the heat radiation effect is improved, and electromagnetic interference is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a combiner technical field, especially in a kind of high-power radio frequency combiner. BACKGROUND

[0002] High-power radio frequency combiner is a kind of power that can be synthesized to the power of multiple high radio frequency power sources, and the combiner device outputs higher power radio frequency signal.

[0003] However, in the process of combiner operation, a large amount of heat is inevitably generated, and insufficient heat dissipation performance will affect the performance and service life of the combiner, and in addition, the combiner will form electromagnetic interference to the surrounding equipment, causing unnecessary loss. Therefore, it is necessary to provide a high-power radio frequency combiner to solve or at least partially solve the above problems. SUMMARY

[0004] The utility model embodiment provides a kind of high-power radio frequency combiner, optimization structure, improve heat dissipation effect, reduce electromagnetic interference.

[0005] The utility model embodiment provides a kind of high-power radio frequency combiner, including shell and setting in the energy storage transmission structure and heat dissipation structure of shell, the energy storage transmission structure includes circuit board, cavity filter is embedded and set on the circuit board, cavity filter is electrically connected with the circuit board;The number of the cavity filter is multiple, multiple input ports and an output port are provided on the front panel of the shell, the number of the input port is consistent with the number of the cavity filter, each input port is connected to the output port by cable after corresponding connection one cavity filter in parallel, the combiner output of the radio frequency power source connected by multiple input ports is realized;The heat dissipation structure includes heat dissipation fan and radiator;The heat dissipation fan is set on the front panel of the shell, and the radiator is set to the rear side in the shell.

[0006] Preferably, the input port is two, and is first input port and second input port respectively, two input ports are respectively arranged at both ends of the front panel, and the output port is arranged at the middle of the front panel.

[0007] Preferably, the cavity filter is two, and each cavity filter includes two groups of inductance coil groups connected in series, and is first inductance coil group and second inductance coil group respectively, the first inductance coil group of two groups of cavity filters is respectively arranged symmetrically at both ends of the front side of the circuit board corresponding to two input ports;The second inductance coil group of two groups of cavity filters is respectively arranged symmetrically at the back side of the circuit board.

[0008] Preferably, ring isolators are further included, the number of the ring isolators is same as the number of the cavity filters, the ring isolators are arranged between the cavity filters and the input ports through cable connection, and the ring isolators are arranged close to the input ports.

[0009] Preferably, the first inductor coil group and the second inductor coil group are both combined by a plurality of inductor coils arranged in sequence.

[0010] Preferably, the heat dissipation structure further comprises a temperature controller and a temperature probe, the temperature probe is arranged on the side of the heat sink close to the circuit board, the temperature probe is electrically connected with the temperature controller, and the temperature controller controls the heat dissipation fan to work.

[0011] Preferably, the heat sink is provided with a plurality of heat dissipation fins.

[0012] Preferably, the shell comprises a main shell and a front panel and a top plate closing the main shell, and the main shell is fastened and connected with the front panel and the top plate through screws.

[0013] Preferably, the material of the shell is aluminum alloy.

[0014] Compared with the prior art, the technical scheme of the utility model has beneficial effects.

[0015] For example, the high-power radio frequency combiner provided by the utility model comprises a shell, an energy storage and transmission structure arranged in the shell and a heat dissipation structure, the energy storage and transmission structure comprises a circuit board, a cavity filter is embedded on the circuit board and electrically connected with the circuit board, the number of the cavity filters is multiple, a plurality of input ports and an output port are arranged on the front panel of the shell, the number of the input ports is consistent with the number of the cavity filters, each input port is connected with one cavity filter through cable and then connected to the output port in parallel, the combiner output of the radio frequency power sources connected with the multiple input ports is realized, the heat dissipation structure comprises a heat dissipation fan and a heat sink, the heat dissipation fan is arranged on the front panel of the shell, and the heat sink is arranged on the rear side in the shell, the cavity filter is embedded on the circuit board, so that the circuit board is not arranged close to the shell, air flows on the upper side and the lower side, the heat dissipation fan on the front side and the heat sink on the rear side are matched, and high-efficiency heat dissipation is realized.

[0016] For another example, the ring isolators are arranged to realize signal isolation and reduce electromagnetic interference.

[0017] For another example, the inductor coil groups are combined by a plurality of inductor coils arranged in sequence, the installation space is maximally saved, and the energy storage and conversion efficiency is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1This is a schematic diagram of the high-power radio frequency combiner in an embodiment of this utility model;

[0019] Figure 2 This is a schematic diagram of the internal current flow of the high-power radio frequency combiner in this embodiment of the present invention;

[0020] Figure 3 This is a schematic diagram of the internal structure of the high-power radio frequency combiner in an embodiment of this utility model;

[0021] Figure 4 This is a schematic diagram of a high-power radio frequency combiner in an embodiment of this utility model.

[0022] Explanation of reference numerals in the attached figures:

[0023] 1-Shell; 11-Front panel; 12-Main shell; 13-Top plate;

[0024] 2-Energy storage and transmission structure; 21-Circuit board; 22-Cavity filter; 221-First inductor coil group; 222-Second inductor coil group; 23-Input port; 231-First input port; 232-Second input port; 24-Output port; 25-Cable; 26-Ring isolator;

[0025] 3-Heat dissipation structure; 31-Cooling fan; 32-Heat radiator; 33-Temperature probe. Detailed Implementation

[0026] To make the objectives, features, and beneficial effects of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described below are merely for explaining this utility model and are not intended to limit it. Furthermore, the same or similar reference numerals may be used in the drawings to refer to the same or similar elements in different embodiments, and descriptions of the same or similar elements in different embodiments, as well as descriptions of prior art elements, features, effects, etc., may be omitted.

[0027] Reference Figures 1-4 This utility model provides a high-power radio frequency combiner.

[0028] Specifically, the high-power RF combiner includes a housing 1 and an energy storage and transmission structure 2 and a heat dissipation structure 3 disposed on the housing 1. The energy storage and transmission structure 2 includes a circuit board 21, on which cavity filters 22 are embedded and electrically connected. There are multiple cavity filters 22. The front panel 11 of the housing 1 is provided with multiple input ports 23 and one output port 24. The number of input ports 23 is the same as the number of cavity filters 22. Each input port 23 is connected to a cavity filter 22 via a cable 25 and then connected in parallel to the output port 24 to realize the combined output of RF power sources connected to multiple input ports 23. The heat dissipation structure 3 includes a cooling fan 31 and a heat sink 32. The cooling fan 31 is disposed on the front panel 11 of the housing 1, and the heat sink 32 is disposed on the rear side inside the housing 1. The embedded placement of the cavity filters 22 on the circuit board 21 prevents the circuit board 21 from being attached to the housing 1, allowing airflow on both the upper and lower sides. This, together with the front cooling fan 31 and the rear heat sink 32, achieves efficient heat dissipation.

[0029] In some embodiments, there are two input ports 23, namely a first input port 231 and a second input port 232, which are respectively disposed at both ends of the front panel 11, and the output port 24 is disposed in the middle of the front panel 11.

[0030] In some embodiments, there are two cavity filters 22, each cavity filter 22 including two sets of inductor coils connected in series, namely a first inductor coil set 221 and a second inductor coil set 222. The first inductor coil sets 221 of the two cavity filters 22 are symmetrically arranged at both ends of the front side of the circuit board 21 and are respectively arranged at the two input ports 23; the second inductor coil sets 222 of the two cavity filters 22 are symmetrically arranged at the rear side of the circuit board 21.

[0031] In some embodiments, a ring isolator 26 is also included. The number of ring isolators 26 is the same as the number of cavity filters 22. The ring isolators 26 are connected between the cavity filter 22 and the input port 23 via a cable 25. The ring isolators 26 are located near the input port 23 to achieve signal isolation and reduce electromagnetic interference.

[0032] In some embodiments, the first inductor coil group 221 and the second inductor coil group 222 are both composed of multiple inductor coils that are sequentially bonded together; this maximizes the saving of installation space while ensuring the efficiency of energy storage conversion.

[0033] In some embodiments, the heat dissipation structure 3 further includes a temperature controller (not shown) and a temperature probe 33. The temperature probe 33 is disposed on the side of the heat sink 32 near the circuit board 21. The temperature probe 33 is electrically connected to the temperature controller, and the temperature controller controls the operation of the cooling fan 31.

[0034] In some embodiments, the radiator 32 is provided with multiple heat dissipation fins to increase the heat dissipation area and improve the heat dissipation effect.

[0035] In some embodiments, the housing 1 includes a main housing 12 and a front panel 11 and a top plate 13 that enclose the main housing 12, and the main housing 12 is fastened to the front panel 11 and the top plate 13 by screws.

[0036] In some embodiments, the housing 1 is made of aluminum alloy.

[0037] In summary, the high-power radio frequency combiner of this utility model includes a housing 1 and an energy storage and transmission structure 2 and a heat dissipation structure 3 disposed on the housing 1. The energy storage and transmission structure 2 includes a circuit board 21, on which a cavity filter 22 is embedded and electrically connected to the circuit board 21. There are multiple cavity filters 22. The front panel 11 of the housing 1 is provided with multiple input ports 23 and one output port 24. The number of input ports 23 is the same as the number of cavity filters 22. Each input port 23 is connected to the output port 24 via a cable 25. A cavity filter 22 should be connected in parallel to the output port 24 to achieve the combined output of multiple RF power sources connected to the input ports 23; the heat dissipation structure 3 includes a cooling fan 31 and a heat sink 32; the cooling fan 31 is set on the front panel 11 of the housing 1, and the heat sink 32 is set on the rear side inside the housing 1; the cavity filter 22 is embedded in the circuit board 21 so that the circuit board 21 is not attached to the housing 1, and there is airflow on both the upper and lower sides, which, together with the cooling fan 31 on the front side and the heat sink 32 on the rear side, achieves efficient heat dissipation.

[0038] Furthermore, this utility model is equipped with a ring isolator 26 to achieve signal isolation and reduce electromagnetic interference.

[0039] Furthermore, the inductor coil assembly of this utility model is composed of multiple inductor coils that are sequentially bonded together, which saves installation space to the greatest extent while ensuring the efficiency of energy storage conversion.

[0040] Although specific embodiments have been described above, these embodiments are not intended to limit the scope of this utility model disclosure, even when only a single embodiment is described with respect to a particular feature. The feature examples provided in this utility model disclosure are intended to be illustrative and not limiting, unless otherwise stated. In practice, one or more technical features of the dependent claims may be combined with the technical features of the independent claims as needed and where technically feasible, and may be derived from the technical features of the respective independent claims in any suitable manner rather than solely by the specific combinations listed in the claims.

[0041] While the present invention has been disclosed above, it is not limited thereto. Any person skilled in the art can make various modifications and alterations without departing from the spirit and scope of the present invention; therefore, the scope of protection of the present invention should be determined by the scope defined in the claims.

Claims

1. A high-power radio frequency combiner, characterized in that, The device includes a housing and an energy storage and transmission structure and a heat dissipation structure disposed within the housing. The energy storage and transmission structure includes a circuit board, on which a cavity filter is embedded and electrically connected. There are multiple cavity filters. The front panel of the housing has multiple input ports and one output port. The number of input ports matches the number of cavity filters. Each input port is connected to a cavity filter via a cable and then connected in parallel to the output port, enabling the combined output of multiple input ports connected to an RF power source. The heat dissipation structure includes a cooling fan and a heat sink. The cooling fan is disposed on the front panel of the housing, and the heat sink is disposed on the rear side inside the housing.

2. The high-power radio frequency combiner as described in claim 1, characterized in that, There are two input ports, namely a first input port and a second input port, which are respectively located at both ends of the front panel, and the output port is located in the middle of the front panel.

3. The high-power radio frequency combiner as described in claim 2, characterized in that, There are two cavity filters, and each cavity filter includes two sets of inductor coils connected in series, namely a first inductor coil set and a second inductor coil set. The first inductor coil sets of the two cavity filters are symmetrically arranged at both ends of the front side of the circuit board and at the two input ports. The second inductor coil sets of the two cavity filters are symmetrically arranged at the rear side of the circuit board.

4. The high-power radio frequency combiner as described in claim 1, characterized in that, It also includes ring isolators, the number of which is the same as the number of cavity filters. The ring isolators are connected by cables between the cavity filters and the input port, and are located near the input port.

5. The high-power radio frequency combiner as described in claim 3, characterized in that, Both the first inductor coil group and the second inductor coil group are composed of multiple inductor coils that are sequentially bonded together.

6. The high-power radio frequency combiner as described in claim 1, characterized in that, The heat dissipation structure also includes a temperature controller and a temperature probe. The temperature probe is located on the side of the heat sink near the circuit board. The temperature probe is electrically connected to the temperature controller, and the temperature controller controls the operation of the cooling fan.

7. The high-power radio frequency combiner as described in claim 1, characterized in that, The radiator is equipped with multiple heat dissipation fins.

8. The high-power radio frequency combiner as described in claim 1, characterized in that, The housing includes a main shell and a front panel and a top plate that enclose the main shell, and the main shell is fastened to the front panel and the top plate by screws.

9. The high-power radio frequency combiner as described in claim 1, characterized in that, The shell is made of aluminum alloy.

Images