CN213401469U

CN213401469U - Series-feed high-power combiner

Info

Publication number: CN213401469U
Application number: CN202022947705.8U
Authority: CN
Inventors: 钟秋和
Original assignee: Chengdu Huirong Qihang Microwave Technology Co ltd
Current assignee: Chengdu Huirong Qihang Microwave Technology Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-06-08
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a series-fed high-power combiner, which comprises an outer shell, wherein a plurality of input cavities are arranged in the outer shell, the upper ends of the input cavities are provided with an output cavity, and the output cavity and the input cavities form a convex structure; a circulator and an isolator are arranged in each input cavity, the circulators are connected with the isolators, and the circulators are connected with input joints arranged outside the input cavities; a signal processor and a signal amplifier are arranged in the output cavity, the isolator is connected with the signal processor, and the signal amplifier is connected with an output joint arranged outside the output cavity; the input cavity and the output cavity are respectively provided with an apron, and the apron is hinged on the outer shell through a hinge. The utility model discloses simple structure exports through a set of signal, and behind the multiunit signal input, handles the mergence through signal processor, then enlargies through signal amplifier, satisfies high-power output's demand.

Description

Series-feed high-power combiner

Technical Field

The utility model relates to a combiner technical field, concretely relates to high-power combiner of formula is presented to string.

Background

The combiner in the wireless mobile phone communication system mainly has the function of combining the input signals of multiple frequency bands and outputting the combined signals to the same set of indoor distribution system. In engineering application, a 800MHz C network, a 900MHz G network or other different frequencies need to be output simultaneously, and a combiner is adopted, so that a set of indoor distribution system can simultaneously work in a CDMA frequency band, a GSM frequency band or other frequency bands.

For example, in a radio antenna system, after input and output signals of several different frequency bands (e.g. 145MHZ and 435MHZ) are combined by a combiner, a feeder is connected to a radio station, which not only saves one feeder, but also avoids the trouble of switching different antennas.

After the existing combiner combines multiple paths of signals, the output signal is weak and cannot meet the requirement of a high-power output signal, and meanwhile, the combiner adopts a closed assembly mode, so that the combiner is inconvenient to overhaul and detect faults.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned among the prior art not enough, the utility model provides an overhaul convenient string and present high-power combiner of formula.

In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:

the series-fed high-power combiner comprises an outer shell, wherein a plurality of input cavities are arranged in the outer shell, an output cavity is arranged at the upper end of each input cavity, and the output cavity and the input cavities form a convex structure; a circulator and an isolator are arranged in each input cavity, the circulators are connected with the isolators, and the circulators are connected with input joints arranged outside the input cavities; a signal processor and a signal amplifier are arranged in the output cavity, the isolator is connected with the signal processor, and the signal amplifier is connected with an output joint arranged outside the output cavity; the input cavity and the output cavity are respectively provided with an apron, and the apron is hinged on the outer shell through a hinge.

Furthermore, the periphery of the cover plate is provided with fixing lugs, through holes are formed in the fixing lugs, and the fixing lugs are fixed on the outer shell through screws.

Furthermore, the input end of the circulator, the output end of the isolator, the input end of the signal processor and the output end of the signal amplifier are respectively provided with a first joint and a second joint, the first joint and the second joint are connected with a network analyzer, the network analyzer is installed on a cover plate, a display screen is arranged on the cover plate, and the network analyzer and the display screen are electrically connected with the controller.

Furthermore, the input cavity and the output cavity are both provided with temperature and humidity sensors, and the temperature and humidity sensors are electrically connected with the controller.

Furthermore, a plurality of air holes are formed in the cover plate, the bottoms of the input cavity and the output cavity, heat dissipation fans are arranged at the bottoms of the input cavity 3 and the output cavity, air outlets of the heat dissipation fans face the air holes, and the heat dissipation fans are electrically connected with the controller.

Furthermore, the bottom of the outer shell is provided with an L-shaped supporting leg, the lower end of the supporting leg is provided with a strip-shaped through hole, and the lower end of the supporting leg is fixed on equipment through a screw.

Further, the upper surface of apron is provided with the handle.

The utility model has the advantages that: the scheme can combine a plurality of groups of signals, output the signals through a group of signals, process and combine the signals through the signal processor after the signals are input, and amplify the signals through the signal amplifier, so that the requirement of high-power output is met. Meanwhile, the signal processor, the signal amplifier and the output connector are connected in a series feed-through mode, each input signal is located in a different input cavity, input and output are isolated from each other, and mutual interference influence of signals is avoided. Every input chamber and output chamber all can open alone, and in the maintenance process of combiner, only need have corresponding a certain cavity of opening, do not influence the normal work of other cavities, and it is convenient to overhaul.

The utility model discloses simple structure is provided with the temperature and humidity measurement function, ensures that temperature, humidity in the cavity are in a good within range, dispels the heat through cooling fan when the temperature is too high, and radiator fan work can keep good gas permeability and thermal diffusivity. The network analyzer detects signals of each input end and each output end, and when a fault occurs, the fault part can be known in time, and targeted maintenance is carried out.

Drawings

Fig. 1 is an internal structure diagram of a series-fed high-power combiner.

Fig. 2 is a top view of the series-fed high-power combiner.

Fig. 3 is a side view of a series-fed high-power combiner.

Wherein: 1. input joint, 2, shell body, 3, input chamber, 4, circulator, 5, isolator, 6, signal processor, 7, signal amplifier, 8, output joint, 9, bleeder vent, 10, first joint, 11, second joint, 12, apron, 13, handle, 14, fixed ear, 15, network analysis appearance, 16, display screen, 17, supporting legs, 18, radiator fan, 19, temperature and humidity sensor.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes will be apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all inventions contemplated by the present invention are protected.

As shown in fig. 1 to 3, the series-fed high-power combiner of the present embodiment includes an outer casing 2, a plurality of input cavities 3 are disposed in the outer casing 2, an output cavity is disposed at an upper end of the plurality of input cavities 3, and the output cavity and the plurality of input cavities 3 form a convex structure; a circulator 4 and an isolator 5 are arranged in each input cavity 3, the circulator 4 is connected with the isolator 5, and the circulator 4 is connected with an input joint 1 arranged outside the input cavity 3; a signal processor 6 and a signal amplifier 7 are arranged in the output cavity, the isolator 5 is connected with the signal processor 6, and the signal amplifier 7 is connected with an output connector 8 arranged outside the output cavity; the input cavity 3 and the output cavity are both provided with cover plates 12, and the cover plates 12 are hinged on the outer shell body 2 through hinges.

According to the scheme, multiple groups of signals can be combined and output through one group of signals, after the multiple groups of signals are input, the signals are processed and combined through the signal processor 6 and then amplified through the signal amplifier 7, and the requirement of high-power output is met. Meanwhile, the signal processor 6, the signal amplifier 7 and the output connector 8 are connected in a series-feed mode, each input signal is located in a different input cavity 3, input and output are isolated from each other, and mutual interference influence of the signals is avoided. Every input chamber 3 and output chamber all can open alone, and in the maintenance process of combiner, only need pointed certain cavity of opening, do not influence the normal work of other cavities, and it is convenient to overhaul.

Fixing lugs 14 are arranged on the periphery of the cover plate 12, through holes are formed in the fixing lugs 14, and the fixing lugs 14 are fixed on the outer shell 2 through screws; the cover plate 12 is firmly connected with the outer shell 2, and when the cover plate 12 needs to be opened, the cover plate is convenient to detach. The upper surface of apron 12 is provided with handle 13, conveniently opens apron 12.

The input end of the circulator 4, the output end of the isolator 5, the input end of the signal processor 6 and the output end of the signal amplifier 7 are respectively provided with a first connector 10 and a second connector 11, the first connector 10 and the second connector 11 are connected with a network analyzer 15, the network analyzer 15 is installed on a cover plate 12, the cover plate 12 is provided with a display screen 16, the network analyzer 15 and the display screen 16 are both electrically connected with a controller, the controller adopts a C51 single chip microcomputer, the controller is installed on the inner surface of the cover plate 12, and the network analyzer 15 adopts a NanoVNA-V2 portable vector network analyzer 15.

The network analyzer 15 detects signals of each input end and each output end, when a fault occurs, the fault part can be known in time, and the corresponding cover plate 12 is opened for targeted maintenance. And the network parameters may be displayed on the display screen 16 for easy reference by the operator.

All be provided with temperature and humidity sensor 19 in input chamber 3 and the output chamber, temperature and humidity sensor 19 is connected with the controller electricity, and a plurality of bleeder vents 9 have all been seted up to the bottom in input chamber 3 and the output chamber on the apron 12, and the bottom in input chamber 3 and output chamber all is provided with cooling fan 18, and cooling fan 18's air outlet is towards bleeder vent 9, and cooling fan 18 is connected with the controller electricity. The temperature and humidity detection function is set, the temperature and the humidity in the cavity are ensured to be in a good range, heat is dissipated through the heat dissipation fan 18 when the temperature is too high, the heat dissipation fan 18 can keep good air permeability and heat dissipation performance when working, the detected temperature and humidity are displayed on the display screen 16, and the temperature and humidity sensor 19 adopts an RS-WS-N01-8 type temperature and humidity sensor 19.

The bottom of shell body 2 is provided with L shape supporting legs 17, and the lower extreme of supporting legs 17 is provided with the bar through-hole, and the lower extreme of supporting legs 17 passes through the fix with screw on equipment. The supporting legs 17 are used for supporting the whole outer shell 2, certain gaps are formed at the bottom during installation, the air permeability is good, and screws can be fixed at any positions on the supporting legs 17, so that the structure of the installed equipment is convenient to adapt.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The series-fed high-power combiner is characterized by comprising an outer shell (2), wherein a plurality of input cavities (3) are arranged in the outer shell (2), an output cavity is arranged at the upper ends of the input cavities (3), and the output cavity and the input cavities (3) form a convex structure; a circulator (4) and an isolator (5) are arranged in each input cavity (3), the circulator (4) is connected with the isolator (5), and the circulator (4) is connected with an input joint (1) arranged outside the input cavity (3); a signal processor (6) and a signal amplifier (7) are arranged in the output cavity, the isolator (5) is connected with the signal processor (6), and the signal amplifier (7) is connected with an output joint (8) arranged outside the output cavity; the input cavity (3) and the output cavity are both provided with cover plates (12), and the cover plates (12) are hinged to the outer shell (2) through hinges.

2. The series-fed high-power combiner of claim 1, wherein fixing lugs (14) are arranged around the cover plate (12), through holes are formed in the fixing lugs (14), and the fixing lugs (14) are fixed on the outer shell (2) through screws.

3. The series-fed high-power combiner according to claim 1, wherein the input end of the circulator (4), the output end of the isolator (5), the input end of the signal processor (6) and the output end of the signal amplifier (7) are respectively provided with a first connector (10) and a second connector (11), the first connector (10) and the second connector (11) are connected with a network analyzer (15), the network analyzer (15) is mounted on a cover plate (12), a display screen (16) is arranged on the cover plate (12), and the network analyzer (15) and the display screen (16) are both electrically connected with a controller.

4. The series-fed high-power combiner according to claim 1, wherein a temperature and humidity sensor (19) is disposed in each of the input cavity (3) and the output cavity, and the temperature and humidity sensor (19) is electrically connected to the controller.

5. The series-fed high-power combiner according to claim 1, wherein a plurality of air vents (9) are formed in the cover plate (12), at the bottoms of the input cavity (3) and the output cavity, heat dissipation fans (18) are arranged at the bottoms of the input cavity (3) and the output cavity, air outlets of the heat dissipation fans (18) face the air vents (9), and the heat dissipation fans (18) are electrically connected with the controller.

6. The series-fed high-power combiner according to claim 1, wherein an L-shaped supporting leg (17) is arranged at the bottom of the outer housing (2), a strip-shaped through hole is arranged at the lower end of the supporting leg (17), and the lower end of the supporting leg (17) is fixed on equipment through a screw.

7. The series-fed high-power combiner according to claim 1, wherein the upper surface of the cover plate (12) is provided with a handle (13).