CN211017341U - Ultra-wideband multi-frequency combiner with high isolation - Google Patents
Ultra-wideband multi-frequency combiner with high isolation Download PDFInfo
- Publication number
- CN211017341U CN211017341U CN201922321027.1U CN201922321027U CN211017341U CN 211017341 U CN211017341 U CN 211017341U CN 201922321027 U CN201922321027 U CN 201922321027U CN 211017341 U CN211017341 U CN 211017341U
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- box body
- installation box
- magnetic sheet
- circuit board
- radio frequency
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Abstract
The utility model discloses an ultra wide band multifrequency combiner of high isolation, including installation box body, microwave planar circuit board and sealed lid, sealed lid is installed at the top of installation box body, and the internally mounted of installation box body has microwave planar circuit board, two sets of input radio frequency connectors are installed to the one end of installation box body. The utility model discloses install first magnetic sheet, second magnetic sheet and third magnetic sheet, sealed lid is installed when installing the box body top, first magnetic sheet, second magnetic sheet and third magnetic sheet surround in the outside of microwave planar circuit board, and microwave planar circuit board and input radio frequency connect and output radio frequency connect's interface position department, a selection and filtering for guaranteeing to realize signal in required frequency channel, high isolation has, can prevent to leak each other between the port, mutual interference, make and to reach the matching state simultaneously between each port.
Description
Technical Field
The utility model relates to a microwave radio frequency technology field specifically is a super wide band multifrequency combiner of high isolation.
Background
The combiner belongs to a passive microwave device and is mainly used for power synthesis and distribution, the combiner generally has two or more input ports and only one output port, the port isolation is an important index for describing the capability of two paths of signals without mutual influence, the existing ultra-wide-band multi-frequency combiner has a simple structure, no isolation exists between the ports, the ports leak mutually, the mutual interference condition is serious, so that the ports cannot be matched simultaneously, the normal use of the combiner is influenced, meanwhile, the existing high-isolation ultra-wide-band multi-frequency combiner is not provided with corresponding heat dissipation notches on a shell and a cover body for ensuring the sealing performance and resisting the external signal interference, the combiner works for a long time, the heat generated by parts such as an internal circuit board is difficult to dissipate, the electronic parts such as the circuit board are easy to burn, and the service life of the combiner is influenced, therefore, the present invention provides a high isolation ultra-wideband multi-frequency combiner for solving the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a super wide band multifrequency combiner of high isolation to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a high-isolation ultra-wideband multi-frequency combiner comprises an installation box body, a microwave planar circuit board and a sealing box cover, wherein the sealing box cover is installed at the top of the installation box body, and the inside of the mounting box body is provided with a microwave plane circuit board, one end of the mounting box body is provided with two groups of input radio frequency connectors, the output end of the input radio frequency connector is electrically connected with the input end of the microwave planar circuit board through a lead, the output radio frequency connector is arranged at one end of the mounting box body far away from the input radio frequency connector, the input end of the output radio frequency connector is electrically connected with the output end of the microwave planar circuit board through a lead, the top of the mounting box body is provided with a through hole, and the four corners position department at installation box body top all is provided with the second screw, the third magnetic sheet is all installed to the inside both sides of installation box body, first magnetic sheet is installed to the bottom of sealed lid.
Preferably, the bottom of the inner part of the mounting box body is provided with a second magnetic sheet.
Preferably, the bottom of the sealing box cover is provided with a first screw hole opposite to the second screw hole, and the inside of the first screw hole is provided with a mounting bolt matched with the second screw hole in a threaded manner.
Preferably, the both sides of installation box body all evenly are provided with the heat dissipation notch, and the inside in heat dissipation notch all installs the fin, the fin is close to one side of installation box body and all installs the heat conduction post, the heat conduction post all passes the installation box body, and the one end that the fin was kept away from to the heat conduction post all is connected with the third magnetic sheet.
Preferably, the installation lug is all installed at the both ends of installation box body both sides, and the inside of installation lug all is provided with the mounting hole.
Preferably, the cross-sectional shape of the heat sink is "U" shaped.
Compared with the prior art, the beneficial effects of the utility model are that: the ultra-wideband multi-frequency combiner with high isolation is provided with a first magnetic sheet, a second magnetic sheet and a third magnetic sheet, when the sealing box cover is arranged at the top of the mounting box body, the first magnetic sheet, the second magnetic sheet and the third magnetic sheet surround the outer side of the microwave plane circuit board, and the interface positions of the microwave plane circuit board, the input radio frequency connector and the output radio frequency connector are used for ensuring that signals are selected and filtered in a required frequency band, the ultra-wideband multi-frequency combiner has high isolation, can prevent mutual leakage and mutual interference among ports, and can simultaneously achieve a matching state among the ports, meanwhile, the device is provided with a heat dissipation notch, is provided with a heat dissipation sheet and a heat conduction column for matching use, heat generated by electronic parts in the mounting box body is transferred to the third magnetic sheet, the heat conduction column guides out the heat of the third magnetic sheet and transfers the heat to the heat dissipation sheet, and, the heat dissipation efficiency of the device is improved.
Drawings
Fig. 1 is a schematic front sectional view of the present invention;
fig. 2 is a schematic front view of the present invention;
fig. 3 is a schematic top sectional view of the present invention.
In the figure: 1. installing a box body; 2. inputting a radio frequency connector; 3. a microwave planar circuit board; 4. a port; 5. a first magnetic sheet; 6. sealing the box cover; 7. a first screw hole; 8. installing a bolt; 9. a second screw hole; 10. an output radio frequency connector; 11. a second magnetic sheet; 12. mounting a bump; 13. a heat dissipation notch; 14. a heat sink; 15. a third magnetic sheet; 16. a heat-conducting column.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides an embodiment: a high-isolation ultra-wideband multi-frequency combiner comprises a mounting box body 1, a microwave planar circuit board 3 and a sealing box cover 6, wherein the sealing box cover 6 is mounted at the top of the mounting box body 1, a microwave plane circuit board 3 is arranged in the installation box body 1, two groups of input radio frequency connectors 2 are arranged at one end of the installation box body 1, the output end of the input radio frequency connector 2 is electrically connected with the input end of the microwave planar circuit board 3 through a lead, the end of the installation box body 1 far away from the input radio frequency connector 2 is provided with an output radio frequency connector 10, the input end of the output radio frequency connector 10 is electrically connected with the output end of the microwave planar circuit board 3 through a lead, the top of the installation box body 1 is provided with a through hole 4, and the four corners position department at installation box body 1 top all is provided with second screw 9, and the inside both sides of installation box body 1 all install third magnetic sheet 15, and first magnetic sheet 5 is installed to the bottom of sealed lid 6.
In this implementation:
further, the second magnetic sheet 11 is installed to the inside bottom of installation box body 1, when sealed lid 6 is installed in 1 top of installation box body, first magnetic sheet 5, second magnetic sheet 11 and third magnetic sheet 15 encircle in the outside of microwave plane circuit board 3, and microwave plane circuit board 3 and input radio frequency connect 2 and output radio frequency connect 10's interface position department, a selection and the filtering for guaranteeing to realize the signal in required frequency channel, high isolation has, can prevent mutual leakage between the port, mutual interference, make and to reach the matched state simultaneously between each port.
Furthermore, the bottom of the sealing box cover 6 is provided with a first screw hole 7 right facing the position of the second screw hole 9, the inside of the first screw hole 7 is provided with a mounting bolt 8 which is matched with the second screw hole 9 in a threaded manner, the sealing box cover 6 covers the top of the mounting box body 1, the mounting bolt 8 is screwed into the first screw hole 7 and the second screw hole 9 simultaneously, the sealing box cover 6 is limited through the first screw hole 7, and therefore the sealing box cover 6 can be fixed on the mounting box body 1.
Further, both sides of the installation box body 1 are all evenly provided with heat dissipation notches 13, and the inside of heat dissipation notches 13 all installs heat dissipation fin 14, heat conduction post 16 is all installed to one side that heat dissipation fin 14 is close to the installation box body 1, heat conduction post 16 all passes installation box body 1, and the one end that heat conduction post 16 kept away from heat dissipation fin 14 all is connected with third magnetic sheet 15, the heat transfer that 1 inside electronic component of installation box body produced is to third magnetic sheet 15 on, heat conduction post 16 exports the heat of third magnetic sheet 15, and transmit for heat dissipation fin 14, dispel the heat through heat dissipation fin 14, can accelerate the heat loss, be favorable to improving the radiating efficiency of device.
Further, the mounting lugs 12 are mounted at two ends of two sides of the mounting box body 1, and mounting holes are formed in the mounting lugs 12, so that the device can be conveniently mounted at a specified position.
Furthermore, the section of the heat sink 14 is U-shaped, the surface area is large, the contact area with air is large, and the heat sink efficiency is improved.
The working principle is as follows: when in use, the sealing box cover 6 is covered on the top of the mounting box body 1, then the mounting bolt 8 is screwed into the first screw hole 7 and the second screw hole 9 simultaneously, the sealing box cover 6 is limited by the first screw hole 7, so that the sealing box cover 6 can be fixed on the mounting box body 1, the input radio frequency connector 2 receives signals and transmits the signals to the microwave planar circuit board 3, the output radio frequency connector 10 sends out signals generated by the microwave planar circuit board 3, the first magnetic sheet 5, the second magnetic sheet 11 and the third magnetic sheet 15 surround the outer side of the microwave planar circuit board 3, and the interface positions of the microwave planar circuit board 3, the input radio frequency connector 2 and the output radio frequency connector 10 are used for realizing signal selection and filtration in a required frequency band, and the high isolation degree is provided, the mutual leakage and mutual interference among the ports can be prevented, and the matching state among the ports can be achieved simultaneously, in the use, input radio frequency connector 2 and microwave plane circuit board 3 isoelectron part generate heat, and 1 inside heat transfer of installation box body is to third magnetic sheet 15, and heat conduction post 16 derives the inside heat of third magnetic sheet 15 to the transmission is for fin 14, carries out the heat exchange through fin 14 and outside air, can improve the radiating efficiency, accelerates the heat to run off, avoids the overheated burnout of the inside electron part of installation box body 1.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides an ultra wide band multifrequency combiner of high isolation, is including installation box body (1), microwave plane circuit board (3) and sealed lid (6), its characterized in that: the microwave planar circuit board installation box is characterized in that a sealing box cover (6) is installed at the top of the installation box body (1), a microwave planar circuit board (3) is installed inside the installation box body (1), two groups of input radio frequency connectors (2) are installed at one end of the installation box body (1), the output ends of the input radio frequency connectors (2) are electrically connected with the input end of the microwave planar circuit board (3) through a lead, an output radio frequency connector (10) is installed at one end, far away from the input radio frequency connectors (2), of the installation box body (1), the input end of the output radio frequency connector (10) is electrically connected with the output end of the microwave planar circuit board (3) through a lead, a through hole (4) is formed in the top of the installation box body (1), second screw holes (9) are formed in four corners of the top of the installation box body (1), and third magnetic sheets, the bottom of the sealing box cover (6) is provided with a first magnetic sheet (5).
2. The ultra-wideband multi-frequency combiner of claim 1, wherein: and a second magnetic sheet (11) is arranged at the bottom inside the mounting box body (1).
3. The ultra-wideband multi-frequency combiner of claim 1, wherein: the bottom of the sealing box cover (6) is provided with a first screw hole (7) at the position opposite to the second screw hole (9), and mounting bolts (8) matched with the second screw hole (9) are mounted inside the first screw hole (7) in a threaded mode.
4. The ultra-wideband multi-frequency combiner of claim 1, wherein: the both sides of installation box body (1) all evenly are provided with heat dissipation notch (13), and all install fin (14) in the inside of heat dissipation notch (13), heat conduction post (16) are all installed to one side that fin (14) are close to installation box body (1), heat conduction post (16) all pass installation box body (1), and heat conduction post (16) keep away from the one end of fin (14) and all be connected with third magnetic sheet (15).
5. The ultra-wideband multi-frequency combiner of claim 1, wherein: installation lug (12) are all installed at the both ends of installation box body (1) both sides, and the inside of installation lug (12) all is provided with the mounting hole.
6. The ultra-wideband multi-frequency combiner of claim 4, wherein: the cross section of the radiating fin (14) is U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922321027.1U CN211017341U (en) | 2019-12-23 | 2019-12-23 | Ultra-wideband multi-frequency combiner with high isolation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922321027.1U CN211017341U (en) | 2019-12-23 | 2019-12-23 | Ultra-wideband multi-frequency combiner with high isolation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211017341U true CN211017341U (en) | 2020-07-14 |
Family
ID=71474239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922321027.1U Expired - Fee Related CN211017341U (en) | 2019-12-23 | 2019-12-23 | Ultra-wideband multi-frequency combiner with high isolation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211017341U (en) |
-
2019
- 2019-12-23 CN CN201922321027.1U patent/CN211017341U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200714 Termination date: 20201223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |