CN203466815U - Indoor distribution front-end equipment and indoor distribution system - Google Patents
Indoor distribution front-end equipment and indoor distribution system Download PDFInfo
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- CN203466815U CN203466815U CN201320451679.7U CN201320451679U CN203466815U CN 203466815 U CN203466815 U CN 203466815U CN 201320451679 U CN201320451679 U CN 201320451679U CN 203466815 U CN203466815 U CN 203466815U
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Abstract
The utility model discloses indoor distribution front-end equipment and an indoor distribution system, for solving the problem in the prior art that the maintenance of an indoor distribution front-end takes up excessive processing resources. The internal of the indoor distribution front-end equipment integrates a first coupler, a second coupler, a third coupler, a first power divider and a second power divider, wherein an input end of the first coupler is served as a signal input port for receiving power signals from a signal source end, and a coupling output end of the first coupler is connected with an input end of the second coupler; a coupling output end of the second coupler is connected with an input end of the first power divider, and a straight through output end of the second coupler is connected with an input end of the third coupler; a coupling output end of the third coupler is connected with an input end of the second power divider; and a straight through output end of the first coupler, an output end of the first power divider and an output end of the second power divider are served as signal output ports for outputting different level signals respectively.
Description
Technical field
The utility model relates to mobile communication technology field, relates in particular to a kind of chamber sub-headend equipment and indoor distributed system.
Background technology
Indoor distributed system (hereinafter referred to as chamber subsystem) is for indoor user group, for improving a kind of system of mobile communication environment in building, it can be realized the signal of mobile base station is evenly distributed on to indoor every nook and cranny, thereby guarantees that room area has desirable signal and covers.
In the subsystem of existing chamber, chamber subsystem divides device to form near the part (referred to as chamber sub-headend) of information source end by a large amount of interconnective chambers of radio frequency wire jumper of passing through, these chambers divide device to comprise coupler, power splitter and electric bridge etc., for completing the shunt of the signal of the large transmitting power from information source end and distribution.
In the design standard of existing chamber sub-headend, owing to not dividing the installation site of device to carry out unified planning to chamber, chamber divides device conventionally by workmen, arbitrarily to be scattered and be arranged on building everywhere.This in the situation that, once certain or some chambers, divide device to break down chamber sub-headend and even whole chamber subsystem cannot be worked or partial paralysis, need workmen to divide device to investigate one by one to each chamber, but because chamber divides the quantity of device very many, and install and disperse, be therefore not easy to detect and definite source of trouble very much.
Visible, there is following defect in existing chamber subsystem: when chamber sub-headend is safeguarded, need to take too much processing resource.
Utility model content
The utility model embodiment provides a kind of chamber sub-headend equipment and indoor distributed system, need to take the problem of too much processing resource when solving exist in prior art chamber sub-headend is safeguarded.
The utility model embodiment is by the following technical solutions:
A chamber sub-headend equipment, is applied to chamber sub-headend, and its inside is integrated with the first coupler, the second coupler, the 3rd coupler, the first power splitter and the second power splitter, wherein:
The input of the first coupler is as the signal input receiving from the power signal of information source end, and the coupling output of the first coupler is connected with the input of the second coupler;
The coupling output of the second coupler is connected with the input of the first power splitter, and the straight-through output of the second coupler is connected with the input of the 3rd coupler;
The coupling output of the 3rd coupler is connected with the input of the second power splitter;
The output of the straight-through output of the first coupler, the output of the first power splitter and the second power splitter is respectively as the signal output of exporting varying level signal.
Optionally, described chamber sub-headend device also comprises: the 4th coupler and electric bridge, wherein:
The input of the 4th coupler is as another signal input receiving from the power signal of information source end, and the coupling output of the 4th coupler and the second input of electric bridge are connected;
The straight-through output of the 4th coupler and the second output of electric bridge are respectively as the signal output of exporting varying level signal; ?
The coupling output of the first coupler is connected with the input of the second coupler, specifically comprises:
The coupling output of the first coupler is connected by electric bridge with the input of the second coupler.
Optionally, described chamber sub-headend device also comprises: load, one end of described load is connected with the straight-through output of the 3rd coupler, the other end ground connection of described load.
Optionally, described the first power splitter and described the second power splitter are the power splitter with two outputs.
Optionally, described electric bridge is 3db electric bridge.
Optionally, described chamber sub-headend equipment is in advance in the extension case of 19 inches.
An indoor distributed system, comprises chamber described above sub-headend equipment.
The beneficial effect of the utility model embodiment is as follows:
The utility model embodiment has proposed a kind of chamber sub-headend equipment that is applied to chamber sub-headend, by a plurality of couplers and power splitter are integrated in a module, and be no longer to divide device arbitrarily to disperse to install a plurality of chambers, make when chamber sub-headend is safeguarded, only need to divide device to safeguard to each integrated chamber of this chamber sub-headend device interior, not only can reduce preventive maintenance time, also greatly reduced the taking of the processing resources such as manpower and materials, avoided problem in prior art the problem includes: chamber sub-headend is safeguarded time need to take the problem of too much processing resource.
Accompanying drawing explanation
The structural representation of a kind of chamber sub-headend equipment that Fig. 1 provides for the utility model embodiment;
The structural representation of the another kind of chamber sub-headend equipment that Fig. 2 provides for the utility model embodiment;
A kind of chamber sub-headend equipment that Fig. 3 provides for the utility model embodiment is realized schematic diagram in the practical application scene of machine room.
Embodiment
The problem that need to take too much processing resource when solving exist in prior art chamber sub-headend is safeguarded, inventor is studied prior art, and a kind of chamber sub-headend equipment and indoor distributed system are provided.In the utility model, by a plurality of couplers and power splitter are integrated in a module, and be no longer to divide device arbitrarily to disperse to install a plurality of chambers, make when chamber sub-headend is safeguarded, only need to divide device to safeguard to each integrated chamber of this chamber sub-headend device interior, not only can reduce preventive maintenance time, also greatly reduced the taking of the processing resources such as manpower and materials, avoided problem in prior art the problem includes: chamber sub-headend is safeguarded time need to take the problem of too much processing resource.
Below in conjunction with Figure of description and embodiment, the technical scheme of the utility model embodiment is described in further detail, should be appreciated that embodiment described herein only uses and description and interpretation the utility model, is not limited to the utility model.And in the situation that not conflicting, embodiment and the feature in implementation column in the utility model can be interosculated.
As shown in Figure 1, the structural representation of a kind of chamber sub-headend equipment providing for the utility model embodiment, this chamber sub-headend equipment is applied to chamber sub-headend, and its inside is integrated with the first coupler 11, the second coupler 12, the 3rd coupler 13, the first power splitter 14 and the second power splitter 15.
Wherein, the input of the first coupler 11 is as the signal input receiving from the power signal of information source end, and the coupling output of the first coupler 11 is connected with the input of the second coupler 12;
The coupling output of the second coupler 12 is connected with the input of the first power splitter 14, and the straight-through output of the second coupler 12 is connected with the input of the 3rd coupler 13;
The coupling output of the 3rd coupler 13 is connected with the input of the second power splitter 15;
The output of the straight-through output of the first coupler 11, the output of the first power splitter 14 and the second power splitter 15 is respectively as the signal output of exporting varying level signal.
Wherein, the first power splitter 14 and the second power splitter 15 can be the power splitters with two outputs.
Chamber sub-headend equipment in the present embodiment can be in advance in the extension case of 19 inches.
The utility model embodiment is by being integrated in a plurality of couplers and power splitter in a module, and be no longer to divide device arbitrarily to disperse to install a plurality of chambers, make when chamber sub-headend is safeguarded, only need to divide device to safeguard to each integrated chamber of this chamber sub-headend device interior, not only can reduce preventive maintenance time, also greatly reduced the taking of the processing resources such as manpower and materials, avoided problem in prior art the problem includes: chamber sub-headend is safeguarded time need to take the problem of too much processing resource.
As shown in Figure 2, the structural representation of the another kind of chamber sub-headend equipment providing for the utility model embodiment, this chamber sub-headend equipment is applied to chamber sub-headend, pre-in the extension case of 19 inches, its inside is integrated with the first coupler 11, the second coupler 12, the 3rd coupler 13, the first power splitter 14, the second power splitter 15, load 16, the 4th coupler 17 and 3db electric bridge 18.
Wherein, the input of the input of the first coupler 11 and the 4th coupler 17 is all as the signal input receiving from the power signal of information source end;
The first input end of 3db electric bridge 18 is connected with the coupling output of the 4th coupler 17 with the coupling output of the first coupler 11 respectively with the second input, and the signal of the coupling output output of the signal of the coupling output output of the first coupler 11 and the 4th coupler 17 is closed to road.
The input of the second coupler is connected with the first output of 3db electric bridge 18, and the coupling output of the second coupler 12 is connected with the input of the first power splitter 14, and the straight-through output of the second coupler 12 is connected with the input of the 3rd coupler 13;
The coupling output of the 3rd coupler 13 is connected with the input of the second power splitter 15, and the straight-through output of the 3rd coupler 13 is connected with load 16, and the other end ground connection of load 16;
The straight-through output of the straight-through output of the first coupler 11, the 4th coupler 17, the second output of 3db electric bridge 18, the output of the first power splitter 14 and the output of the second power splitter 15 are respectively as the signal output of exporting varying level signal.
Wherein, the first power splitter 14 and the second power splitter 15 can be the power splitters with two outputs.
It should be noted that, in actual applications, the 3db electric bridge using in the present embodiment also can replace with the electric bridge of other types according to the actual requirements.
The utility model embodiment is by being integrated in a plurality of couplers and power splitter in a module, and be no longer to divide device arbitrarily to disperse to install a plurality of chambers, make when chamber sub-headend is safeguarded, only need to divide device to safeguard to each integrated chamber of this chamber sub-headend device interior, not only can reduce preventive maintenance time, also greatly reduced the taking of the processing resources such as manpower and materials, avoided problem in prior art the problem includes: chamber sub-headend is safeguarded time need to take the problem of too much processing resource.
In addition, chamber sub-headend equipment in the present embodiment is not simply to divide device to put together each chamber, but divide device integrated chamber, as the first coupler 11 and the 4th coupler 17 integrate with 3db electric bridge 18 exactly, even do not need to interconnect with wire jumper, greatly reduce the spoilage of this chamber sub-headend equipment.
The function of this chamber sub-headend equipment in practical application scene done to concrete introduction below.
As shown in Figure 3, for this chamber sub-headend equipment is realized schematic diagram in the practical application scene of machine room.This application scenarios comprises information source base station 1, chamber sub-headend equipment 2, exterior aerial 3, fiber optic stretch proximal device 4, fiber optic stretch remote equipment 5, coupler 6, antenna 7 and load 8.
Wherein, the high-power source signal of information source base station 1 transmitting, chamber sub-headend equipment 2 receives the high-power source signal of information source base station 1 transmitting by exterior aerial 3, and will to receive high-power source signal be low power chamber sub-signal in self internal conversion, and then offer coupler 6 and the fiber optic stretch equipment (comprising fiber optic stretch proximal device 4 and fiber optic stretch remote equipment 5) of minute rear end, chamber.
Known by such scheme, when attendant safeguards chamber sub-headend, only need to divide device to safeguard to each integrated chamber of chamber sub-headend device interior, not only can reduce preventive maintenance time, also greatly reduced the taking of the processing resources such as manpower and materials, avoided problem in prior art the problem includes: chamber sub-headend is safeguarded time need to take the problem of too much processing resource.
Based on the above-mentioned chamber sub-headend equipment providing, the utility model also provides a kind of indoor distributed system, comprises the chamber sub-headend equipment of mentioning in above-mentioned any one embodiment.
Finally it should be noted that: those skilled in the art can carry out various changes and modification and not depart from spiritual scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (7)
1. a chamber sub-headend equipment, is characterized in that, described chamber sub-headend equipment is applied to chamber sub-headend, and its inside is integrated with the first coupler, the second coupler, the 3rd coupler, the first power splitter and the second power splitter, wherein:
The input of the first coupler is as the signal input receiving from the power signal of information source end, and the coupling output of the first coupler is connected with the input of the second coupler;
The coupling output of the second coupler is connected with the input of the first power splitter, and the straight-through output of the second coupler is connected with the input of the 3rd coupler;
The coupling output of the 3rd coupler is connected with the input of the second power splitter;
The output of the straight-through output of the first coupler, the output of the first power splitter and the second power splitter is respectively as the signal output of exporting varying level signal.
2. chamber as claimed in claim 1 sub-headend equipment, is characterized in that, described chamber sub-headend device also comprises:
The 4th coupler and electric bridge, wherein:
The input of the 4th coupler is as another signal input receiving from the power signal of information source end, and the coupling output of the 4th coupler and the second input of electric bridge are connected;
The straight-through output of the 4th coupler and the second output of electric bridge are respectively as the signal output of exporting varying level signal; ?
The coupling output of the first coupler is connected with the input of the second coupler, specifically comprises:
The coupling output of the first coupler is connected by electric bridge with the input of the second coupler.
3. chamber as claimed in claim 1 sub-headend equipment, is characterized in that, described chamber sub-headend device also comprises:
Load, one end of described load is connected with the straight-through output of the 3rd coupler, the other end ground connection of described load.
4. chamber as claimed in claim 1 sub-headend equipment, is characterized in that, described the first power splitter and described the second power splitter are the power splitter with two outputs.
5. chamber as claimed in claim 2 sub-headend equipment, is characterized in that, described electric bridge is 3db electric bridge.
6. chamber as claimed in claim 1 sub-headend equipment, is characterized in that, described chamber sub-headend equipment is in advance in the extension case of 19 inches.
7. an indoor distributed system, is characterized in that, comprises the chamber sub-headend equipment as described in claim 1-6 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320451679.7U CN203466815U (en) | 2013-07-26 | 2013-07-26 | Indoor distribution front-end equipment and indoor distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320451679.7U CN203466815U (en) | 2013-07-26 | 2013-07-26 | Indoor distribution front-end equipment and indoor distribution system |
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| Publication Number | Publication Date |
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| CN203466815U true CN203466815U (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320451679.7U Expired - Lifetime CN203466815U (en) | 2013-07-26 | 2013-07-26 | Indoor distribution front-end equipment and indoor distribution system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105072624A (en) * | 2015-07-29 | 2015-11-18 | 河北智宏投资有限公司 | Wireless communication indoor integrated coverage system |
| CN113162775A (en) * | 2020-01-22 | 2021-07-23 | 中国电信股份有限公司 | Indoor distribution system and communication method |
| CN114171875A (en) * | 2022-02-14 | 2022-03-11 | 中国电信股份有限公司 | Combiner and indoor branch system |
| CN114335961A (en) * | 2017-12-28 | 2022-04-12 | 中国电信股份有限公司 | Double-path coupler and indoor distribution system |
| CN114679693A (en) * | 2022-03-22 | 2022-06-28 | 中国电信股份有限公司 | Coupling device and indoor distribution system |
-
2013
- 2013-07-26 CN CN201320451679.7U patent/CN203466815U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105072624A (en) * | 2015-07-29 | 2015-11-18 | 河北智宏投资有限公司 | Wireless communication indoor integrated coverage system |
| CN114335961A (en) * | 2017-12-28 | 2022-04-12 | 中国电信股份有限公司 | Double-path coupler and indoor distribution system |
| CN113162775A (en) * | 2020-01-22 | 2021-07-23 | 中国电信股份有限公司 | Indoor distribution system and communication method |
| CN113162775B (en) * | 2020-01-22 | 2023-03-21 | 中国电信股份有限公司 | Indoor distribution system and communication method |
| CN114171875A (en) * | 2022-02-14 | 2022-03-11 | 中国电信股份有限公司 | Combiner and indoor branch system |
| CN114171875B (en) * | 2022-02-14 | 2022-05-17 | 中国电信股份有限公司 | Combiner and indoor branch system |
| CN114679693A (en) * | 2022-03-22 | 2022-06-28 | 中国电信股份有限公司 | Coupling device and indoor distribution system |
| CN114679693B (en) * | 2022-03-22 | 2023-12-19 | 中国电信股份有限公司 | Coupling device and chamber division system |
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Granted publication date: 20140305 |