CN209312211U - Feeder line radio signal transmission device altogether - Google Patents
Feeder line radio signal transmission device altogether Download PDFInfo
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- CN209312211U CN209312211U CN201822107554.8U CN201822107554U CN209312211U CN 209312211 U CN209312211 U CN 209312211U CN 201822107554 U CN201822107554 U CN 201822107554U CN 209312211 U CN209312211 U CN 209312211U
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- bandpass filter
- feeder line
- interface
- signal
- signal transmission
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Abstract
A kind of feeder line radio signal transmission device, including the first and second radio signal transmission modules altogether.First radio signal transmission module includes first antenna interface, the second antennal interface, the first bandpass filter, the second bandpass filter, the first signal combiner device and the first feeder line interface.First and second bandpass filters are connect with the first and second antennal interfaces respectively, and the first signal combiner device is connect with the first, second bandpass filter and the first feeder line interface respectively.Second radio signal transmission module includes the first communication interface, the second communication interface, third bandpass filter, the 4th bandpass filter, second signal combiner device and the second feeder line interface.Third and fourth bandpass filter is connect with the first and second communication interfaces respectively, and second signal combiner device is connect with third, the 4th bandpass filter and the second feeder line interface respectively.The utility model is only with a feeder line, so that it may transmission while realizing two kinds of different frequency range signals between communication equipment and two-way antenna.
Description
Technical field
The utility model belongs to power information acquisition technique field more particularly to signal transmission apparatus.
Background technique
With the continuous improvement of Process of Urbanization Construction and the integrity demands of smart grid acquisition data, the intelligence of electric system
Change acquisition terminal equipment and also constantly carries out technology upgrading.Original private network communication module (working in 230M frequency range) is due to communication
There are technical bottlenecks for the promotion of speed, so be difficult to deal with the large capacity data acquisition requirement increasingly expanded, and based on mobile public
The public network communication module of net is (common for 4G wireless communication module) to be set by faster communication speed in intelligent acquisition terminal
It is more and more widely used in standby.
But due to private network communication module (privacy strong, strong real-time) and public network communication module (speed fastly, spirit of layouting
It is living) respectively there is its unique advantage, it is more using amalgamation and coexistence by the way of mutual supplement with each other's advantages so mutually replacing and unrealistic.
Currently, more and more places require must have both different communication moulds in an electric power acquisition terminal device
Block, and can work at the same time, to meet acquisition demand of the different background users in the same period to different data.Such one
Come, the old equipment for being much provided only with private network communication module has to undergo technological transformation, to meet this new demand.Due to setting always
The feeder of standby installation site has been laid in place, after increasing by one communication module, it is necessary to it is synchronous increase a set of antenna with
A piece feeder line.For antenna in outdoor, space is relatively large, and it is little to add difficulty.And the installation of feeder line is restricted comparison more, Hen Duoan
Mounted in the old equipment of basement, the difficulty of construction for increasing feeder line newly is too big, leads to not completing technology transformation.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of feeder line radio signal transmission devices altogether, only adopt
With a feeder line, so that it may realize have between private network communication module and the equipment and its antenna of public network communication module to two kinds not
It is transmitted while with frequency band signals.
In order to solve the above technical problems, the technical scheme adopted by the utility model is that:
A kind of feeder line radio signal transmission device, including the first radio signal transmission module and the second radio signal transmission altogether
Module；First radio signal transmission module includes first antenna interface, the second antennal interface, the first bandpass filter, the second band
Bandpass filter, the first signal combiner device and the first feeder line interface；First antenna interface with private network antenna for connecting；First
Bandpass filter is connect with first antenna interface, and the first bandpass filter is for selectively passing through private network radiofrequency signal；The
Two antennal interfaces with public network antenna for connecting；Second bandpass filter is connect with the second antennal interface, the second bandpass filter
For selectively passing through public network radiofrequency signal；First signal combiner device respectively with the first bandpass filter, the second band logical
Filter and the connection of the first feeder line interface, the first signal combiner device is used for will be from the received radiofrequency signal of the first bandpass filter
It is exported afterwards all the way with from the received radiofrequency signal synthesis of the second bandpass filter to the first feeder line interface, and will be from the first feeder line
The Signal separator all the way of interface is exported respectively at after two paths of signals to the first bandpass filter and the second bandpass filter；The
Two radio signal transmission modules include the first communication interface, the second communication interface, third bandpass filter, the 4th bandpass filtering
Device, second signal combiner device and the second feeder line interface；Third bandpass filter is connect with the first communication interface, third band logical
Filter is for selectively passing through private network radiofrequency signal；4th bandpass filter is connect with the second communication interface, the 4th band
Bandpass filter is for selectively passing through public network radiofrequency signal；Second signal combiner device respectively with third bandpass filter,
4th bandpass filter and the connection of the second feeder line interface, second signal combiner device is used for will be received from third bandpass filter
It radiofrequency signal and is exported afterwards all the way from the received radiofrequency signal synthesis of the 4th bandpass filter to the second feeder line interface, and will be from
The Signal separator all the way of second feeder line interface is exported respectively at after two paths of signals to third bandpass filter and the 4th band logical
Filter；Second feeder line interface is connected by feeder line with the first feeder line interface.
After adopting the above technical scheme, the utility model at least has the following advantages:
Radiofrequency signal combining is being used according to the total feeder line radio signal transmission device of the utility model embodiment and is being divided
Road technique can export the radiofrequency signal synthesis of two different frequency range communication modules all the way, can also will be by two kinds of different frequencies
The hybrid radio frequency signal of segment signal composition is separated into the different output of two-way again, for 230M private network communication module and 4G
The communication equipment of public network communication module is only achieved that the signal between equipment side and antenna side transmits with a feeder line.Using
The total feeder line radio signal transmission device, it is biggish for those field wiring difficulty of construction (such as setting is indoor in underground)
It is provided only with the old equipment of private network communication module, the trouble for placing feeder again is avoided, thus greatly reduces technological transformation
Difficulty of construction accelerates the process of Process of Urbanization Construction and smart grid transformation.
Detailed description of the invention
Fig. 1 shows the functional block diagram of the total feeder line radio signal transmission device according to an embodiment of the present invention.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Fig. 1 shows the functional block diagram of the total feeder line radio signal transmission device according to an embodiment of the present invention.Please
Refering to fig. 1.It include the first radio signal transmission mould according to the total feeder line radio signal transmission device of an embodiment of the present invention
Block 100 and the second radio signal transmission module 200.
First radio signal transmission module 100 includes first antenna interface 11, the second antennal interface 12, the first bandpass filtering
Device 13, the second bandpass filter 14, the first signal combiner device 15 and the first feeder line interface 16.First antenna interface 11 is used for
It is connect with private network antenna 41.First bandpass filter 13 is connect with first antenna interface 11, and the first bandpass filter 13 is for selecting
Pass through to selecting property private network radiofrequency signal.Second antennal interface 12 with public network antenna 42 for connecting.Second bandpass filter 14
It is connect with the second antennal interface 12, the second bandpass filter 14 is for selectively passing through public network radiofrequency signal.First signal
Combiner device 15 is connect with the first bandpass filter 13, the second bandpass filter 14 and the first feeder line interface 16 respectively, the first letter
Number combiner device 15 will be for will be received from the received radiofrequency signal of the first bandpass filter 13 and from the second bandpass filter 14
Radiofrequency signal synthesis exports afterwards all the way to the first feeder line interface 16, and will be from the received signal all the way of the first feeder line interface 16 point
From at being exported respectively after two paths of signals to the first bandpass filter 13 and the second bandpass filter 14.
Second radio signal transmission module 200 includes the first communication interface 21, the second communication interface 22, third bandpass filtering
Device 23, the 4th bandpass filter 24, second signal combiner device 25 and the second feeder line interface 26.Third bandpass filter 23 with
The connection of first communication interface 21, third bandpass filter 23 is for selectively passing through private network radiofrequency signal.The filter of 4th band logical
Wave device 24 is connect with the second communication interface 22, and the 4th bandpass filter 24 is for selectively passing through public network radiofrequency signal.The
Binary signal combiner device 25 is connect with third bandpass filter 23, the 4th bandpass filter 24 and the second feeder line interface 26 respectively,
Second signal combiner device 25 is for will be from the received radiofrequency signal of third bandpass filter 23 and from the 4th bandpass filter 24
The synthesis of received radiofrequency signal exports afterwards all the way to the second feeder line interface 26, and will be received all the way from the second feeder line interface 26
Signal separator is exported respectively at after two paths of signals to third bandpass filter 23 and the 4th bandpass filter 24.Second feeder line interface
26 are connected by feeder line 3 with the first feeder line interface 25.
In the present embodiment, the upper limiting frequency of the first bandpass filter 13 and third bandpass filter 23 is 232MHz,
The lower frequency limit of first bandpass filter 13 and third bandpass filter 23 is 223MHz, to realize to private network frequency band signals
Transmission.The upper limiting frequency of second bandpass filter 14 and the 4th bandpass filter 24 is 2655MHz, the second bandpass filter 14
Lower frequency limit with the 4th bandpass filter 24 is 1755MHz, to realize the transmission to public network frequency band signals.
Optionally, the first bandpass filter 13, the second bandpass filter 14, third bandpass filter 23 and the filter of the 4th band logical
Wave device 24 is Chebyshev's bandpass filter.Frequency cutoff characteristics of Chebyshev's bandpass filter in entire free transmission range
Preferably, closer to the characteristic of ideal filter.
Optionally, first antenna interface 11, the second antennal interface 12, the first communication interface 21, the second communication interface 22,
One feeder line interface 16 and the second feeder line interface 26 are L16 radio frequency connector.Feeder line 3 uses 50 Ohm radio frequency communication cables.
First signal combiner device 15 and second signal combiner device 25 are based on Wilkinson power distributor circuit basis, tool
There is transmitted in both directions function, the radiofrequency signal of two-way different frequency range can both be combined into and export all the way by it, in turn can also be by one
Road input signal is divided into two-way output.It is final to realize the purpose that signal is transmitted on a feeder line.
It is situated between below to the course of work of the total feeder line radio signal transmission device according to an embodiment of the present invention
It continues.
When work, the first communication interface 21 and the second communication interface 22 are connected to while having private network communication module and public affairs
The electric power communication device of Network Communication module, the electric power communication device are, for example, electric power acquisition terminal or electric power load monitoring and control equipment
Deng；First antenna interface 11 and the second antennal interface 12 are connected respectively to private network antenna and public network antenna.Receiving working condition
Under, private network antenna 41 is responsible for receiving the radiofrequency signal of private network frequency range, and public network antenna 42 is responsible for receiving the radiofrequency signal of public network frequency range,
Two paths of signals is sent to the first antenna interface 11 and the second antennal interface 12 of the first radio signal transmission module 100 respectively, passes through
After corresponding bandpass filter, the noise signal other than respective frequency band is filtered out, eventually by the first signal combiner device
15, become hybrid radio frequency signal all the way and is exported from the first feeder line interface 16.The hybrid radio frequency signal passes through a shared feeder line 3
It is transferred to the second feeder line interface 26 of the second radio signal transmission module 200, is then separated by second signal combiner device 25
The independent private network of two-way is ultimately become using the filter action of corresponding bandpass filter for the identical signal of two-way
With public network radiofrequency signal, it is sent into electric power communication device.The emission process of radiofrequency signal is the reverse process of above-mentioned reception process,
Details are not described herein.
Above description is the further explanation done in conjunction with specific embodiment and attached drawing to the utility model.But this
Utility model obviously can be implemented in a variety of other methods different from this description, those skilled in the art can without prejudice to
It promoted, deduced according to actual use situation in the case where the content of the present invention, therefore, the content of above-mentioned specific embodiment
The protection scope that the utility model determines should not be limited.
Claims (5)
1. a kind of feeder line radio signal transmission device altogether, which is characterized in that penetrated including the first radio signal transmission module and second
Frequency signal transmission module；
The first radio signal transmission module includes first antenna interface, the second antennal interface, the first bandpass filter, second
Bandpass filter, the first signal combiner device and the first feeder line interface；The first antenna interface is used to connect with private network antenna
It connects；First bandpass filter is connect with the first antenna interface, and the first bandpass filter is for selectively making private network
Radiofrequency signal passes through；Second antennal interface with public network antenna for connecting；Second bandpass filter and described second
Antennal interface connection, the second bandpass filter is for selectively passing through public network radiofrequency signal；The first signal combiner
Device is connect with first bandpass filter, second bandpass filter and the first feeder line interface respectively, the first signal
Combiner device is for will be from the received radiofrequency signal of the first bandpass filter and from the received radiofrequency signal of the second bandpass filter
Synthesis exported afterwards all the way to the first feeder line interface, and by from the Signal separator all the way of the first feeder line interface at two paths of signals
It is exported respectively afterwards to the first bandpass filter and the second bandpass filter；
The second radio signal transmission module includes the first communication interface, the second communication interface, third bandpass filter, the 4th
Bandpass filter, second signal combiner device and the second feeder line interface；The third bandpass filter is communicated with described first
Interface connection, third bandpass filter is for selectively passing through private network radiofrequency signal；4th bandpass filter and institute
The connection of the second communication interface is stated, the 4th bandpass filter is for selectively passing through public network radiofrequency signal；The second signal
Combiner device is connect with the third bandpass filter, the 4th bandpass filter and the second feeder line interface respectively, the
Binary signal combiner device from the received radiofrequency signal of third bandpass filter and from the 4th bandpass filter is received for that will penetrate
Frequency signal synthesis exported afterwards all the way to the second feeder line interface, and by from the Signal separator all the way of the second feeder line interface at two
It is exported respectively after the signal of road to third bandpass filter and the 4th bandpass filter；Second feeder line interface passes through feeder line and the first feedback
Line interface is connected.
2. feeder line radio signal transmission device altogether according to claim 1, which is characterized in that first bandpass filter
Upper limiting frequency with the third bandpass filter is 232MHz, first bandpass filter and the third bandpass filtering
The lower frequency limit of device is 223MHz.
3. feeder line radio signal transmission device altogether according to claim 1, which is characterized in that second bandpass filter
Upper limiting frequency with the 4th bandpass filter is 2655MHz, second bandpass filter and the 4th band logical filter
The lower frequency limit of wave device is 1755MHz.
4. according to claim 1 to total feeder line radio signal transmission device described in 3 any one, which is characterized in that described
First bandpass filter, the second bandpass filter, third bandpass filter and the 4th bandpass filter are Chebyshev's band logical
Filter.
5. feeder line radio signal transmission device altogether according to claim 1, which is characterized in that the first antenna connects
Mouth, the second antennal interface, the first communication interface, the second communication interface, the first feeder line interface and the second feeder line interface are L16
Radio frequency connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822107554.8U CN209312211U (en) | 2018-12-16 | 2018-12-16 | Feeder line radio signal transmission device altogether |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822107554.8U CN209312211U (en) | 2018-12-16 | 2018-12-16 | Feeder line radio signal transmission device altogether |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209312211U true CN209312211U (en) | 2019-08-27 |
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ID=67676990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822107554.8U Expired - Fee Related CN209312211U (en) | 2018-12-16 | 2018-12-16 | Feeder line radio signal transmission device altogether |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209312211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111756897A (en) * | 2020-06-22 | 2020-10-09 | 联想(北京)有限公司 | Electronic equipment |
-
2018
- 2018-12-16 CN CN201822107554.8U patent/CN209312211U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111756897A (en) * | 2020-06-22 | 2020-10-09 | 联想(北京)有限公司 | Electronic equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190827 Termination date: 20191216 |