CN208754297U - A kind of day messenger bi-directional relaying device - Google Patents
A kind of day messenger bi-directional relaying device Download PDFInfo
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- CN208754297U CN208754297U CN201821182108.7U CN201821182108U CN208754297U CN 208754297 U CN208754297 U CN 208754297U CN 201821182108 U CN201821182108 U CN 201821182108U CN 208754297 U CN208754297 U CN 208754297U
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- day
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Abstract
The utility model is a kind of day messenger bi-directional relaying device, including two-way signaling relay, one end of the two-way signaling relay connects exterior aerial, the other end is connected with several domestic aerials by power splitter, the exterior aerial leads to satellite-signal for receiving day, its logical satellite-signal is emitted after being amplified by two-way signaling relay by domestic aerial, lead to terminal device convenient for day and receives the logical satellite-signal in day, the domestic aerial leads to terminal device signal for receiving day, its logical terminal device signal is launched after being amplified by two-way signaling relay by exterior aerial, lead to satellite reception day convenient for day and leads to terminal device signal.Utility model device allows day to lead to the days such as mobile phone and leads to terminal device places use indoors, in interior, ship etc., facilitates as conventional mobile phone, and fast to star speed, signal quality is good.
Description
Technical field
The utility model belongs to technical field of satellite communication, and in particular to a kind of day messenger bi-directional relaying device.
Background technique
China gradually builds the mobile communications network of Incorporate seamless connection.Although its logical mobile phone is by out of reach
As history, but uses and be inconvenient.There are orientation, pitch angle requirement to star in outdoor, otherwise signal can be very weak；Logical
It should be noted that posture, antenna toward the north then lose at once by signal during words；And the building at the frequent place of people is interior, interior, ship
Various indoor locations are even more and can not enjoy day to lead to mobile phone bring convenience in cabin etc..And day leads to the other equipment of mobile phone, such as
The equipment such as the logical Internet of things node in its logical hot spot, day have same problem.
Mobile communications network satellite is 2170-2200MHz using big S frequency range, reception frequency, and tranmitting frequency is
1980-2010MHz.Frequency is higher, and wavelength is smaller, and wavelength is smaller, poorer for the handling capacity of barrier.And it is logical defends
Star is in geostationary orbit, for ground receiving wastewater facility, if according to the orientation of geographical location computational theory, pitch angle
Degree, precisely aligns satellite, signal is most strong.Its logical signal receiving device has volumetric constraint, such as various function machines and intelligence
Mobile phone determines that the antenna gain used in it is low, strong to star directional dependence.Such as on the Northern Hemisphere, satellite is in south, if
Mobile phone is directed toward the north, then can signal interruption during making a phone call.Also determine in this way must in outdoor, in face of satellite direction without
The place blocked, and equipment keeps certain posture that day could be used to lead to mobile phone, it is very inconvenient.
Lead to the mode of hot spot according to day, i.e., leads to hot spot in outdoor placement day, by wireless WIFI or Bluetooth signal transmission,
The terminals shares such as regular handset use the mode of signal, are more suitable for the environment in field.Then there is biggish signal to decline indoors
Subtract, and need to buy individual equipment, original day, which leads to mobile phone, to be used.
Utility model content
The purpose of the utility model is to overcome problems of the existing technology, provide a kind of day messenger bi-directional relaying dress
It sets.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:
A kind of day messenger bi-directional relaying device, including two-way signaling relay, the two-way signaling relay
One end connects exterior aerial, and the other end is connected with several domestic aerials by power splitter, and the exterior aerial is logical for receiving day
Satellite-signal, day leads to after satellite-signal is amplified by two-way signaling relay to be emitted by domestic aerial, is led to terminal convenient for day and is set
The standby day that receives leads to satellite-signal, and the domestic aerial leads to terminal device signal for receiving day, and day leads to terminal device signal and passes through
Launched after the amplification of two-way signaling relay by exterior aerial, leads to satellite reception day convenient for day and lead to terminal device signal.
Further, the two-way signaling relay includes first medium duplexer and second medium duplexer, described
First medium duplexer connects exterior aerial, and the second medium duplexer connects several domestic aerials by power splitter, described
Equipped with the receiving branch and transmitting branch that the structure same direction is opposite, institute between first medium duplexer and second medium duplexer
It states receiving branch or transmitting branch includes sequentially connected low-noise amplifier, filter and power amplifier, wherein is described to connect
Low-noise amplifier in revenue and expenditure road connects first medium duplexer, and the power amplifier connection second medium in receiving branch is double
Work device, the low-noise amplifier in the transmitting branch connect second medium duplexer, and the power amplifier in transmitting branch connects
Connect first medium duplexer.
Further, it is respectively equipped with automatic growth control alc circuit on the receiving branch and transmitting branch, it is described automatic
Gain control alc circuit is connected between low-noise amplifier and power amplifier, for detecting PA signal output,
And internal gain is adjusted, it is lost with compensated line, reaches optimum state.
Further, the receiving branch goes up to the sky to lead to the direction of transfer of satellite-signal successively along low-noise amplifier, filtering
Device and power amplifier, the transmitting branch go up to the sky to lead to the direction of transfer of terminal device signal successively along low-noise amplifier, filter
Wave device and power amplifier.
Further, the exterior aerial and domestic aerial use omnidirectional antenna.
The beneficial effects of the utility model are:
The utility model is provided by using the mode of outdoor, indoor two groups of antennas and signal Bi-directional amplifier relaying
It is a kind of that satellite-signal is introduced into indoor, interior, the scenes such as in cabin realization devices.
The present apparatus is easy to use, so that the use that day leads to terminal device need not be limited to outdoor and precisely align satellite
Could apply, can any position indoors, any angle use, shorten mobile phone and search the star time, reduce due to signal matter
The influences such as bring speech is unintelligible, interrupts are measured, user is greatly facilitated.
Existing day can be made full use of to lead to the days such as mobile phone using the present apparatus to lead to terminal device, avoid individually buying other days
The expense of exchange device, outdoor and indoor omnidirectional antenna solve the problems, such as that day leads to mobile phone to star hardly possible, shorten to the star time,
Avoid many limitations that equipment uses.
The present apparatus is suitable for the environment that day is taken on the telephone, the nodes such as Internet of Things use indoors, including in building, it is interior,
The application such as emergency, stability maintenance, exploration of scenes, guarantees the real-time online of phone in ship etc..
Detailed description of the invention
Fig. 1 is the system structure schematic block diagram of the utility model；
Fig. 2 is the system principle structural block diagram of the utility model.
Figure label explanation: 1, exterior aerial, 2, two-way signaling relay, 3, power splitter, 4, domestic aerial.
Specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the utility model is described in detail.
Shown in referring to Fig.1, a kind of day messenger bi-directional relaying device, including two-way signaling relay 2, the two-way letter
One end of number relay 2 connects exterior aerial 1, and the other end is connected with several domestic aerials 4, the outdoor by power splitter 3
Antenna 1 leads to satellite-signal for receiving day, and day leads to after satellite-signal is amplified by two-way signaling relay 2 by domestic aerial 4
Transmitting leads to terminal device convenient for day and receives the logical satellite-signal in day, and the domestic aerial 4 leads to terminal device signal for receiving day,
Its logical terminal device signal is launched after being amplified by two-way signaling relay 2 by exterior aerial 1, leads to satellite convenient for day and connects
It receives day and leads to terminal device signal.
Referring to shown in Fig. 2, the two-way signaling relay 2 includes first medium duplexer and second medium duplexer,
The first medium duplexer connects exterior aerial 1, and the second medium duplexer connects several domestic aerials by power splitter 3
4, equipped with the receiving branch and transmitting that the structure same direction is opposite between the first medium duplexer and second medium duplexer
Branch, the receiving branch or transmitting branch include sequentially connected low-noise amplifier, filter and power amplifier,
In, the low-noise amplifier in the receiving branch connects first medium duplexer, the power amplifier connection in receiving branch
Second medium duplexer, the low-noise amplifier in the transmitting branch connect second medium duplexer, the function in transmitting branch
Rate amplifier connects first medium duplexer.
Automatic growth control alc circuit, the automatic growth control are respectively equipped on the receiving branch and transmitting branch
Alc circuit is connected between low-noise amplifier and power amplifier, for detecting PA signal output, and in adjusting
Portion's gain, is lost with compensated line, reaches optimum state, automatic growth control is up to 20dB.
The direction of transfer that the receiving branch goes up to the sky to lead to satellite-signal is successively put along low-noise amplifier, filter and power
Big device, the transmitting branch go up to the sky to lead to the direction of transfer of terminal device signal successively along low-noise amplifier, filter and power
Amplifier.
The exterior aerial 1 and domestic aerial 4 use omnidirectional antenna, in the present embodiment, frequency band are as follows: send 1980-
2010MHz receives 2170-2200MHz, and left-hand circular polarization, gain >=7dBi, 50 Ω of impedance, connector is TNC-K type；This implementation
In example, two-way signaling relay 2 is powered using 5V, and two sides antenna uses TNC connector, and there are three indicator lights for band, is respectively referred to
Show power supply, receive signal and transmitting signal, in which:
The centre frequency of first medium duplexer is respectively 1995MHz and 2185MHz, in bandwidth 30MHz, 2185MHz
The receiving branch of frequency of heart passes through low noise amplification, filtering, power amplification, amplification factor 70dB, final signal output work
Rate is 20dBm；For bigger use space, final output power can increase, to support more rooms after power splitter
Between use, corresponding amplification factor is consequently increased；In addition, receiving branch detection receives the big of signal (i.e. day leads to satellite-signal)
It is small, and according to the intensity for receiving signal, downlink signal indicator light is prompted, when 2 output power of two-way signaling relay is less than 60%
When, lamp does not work；When output power is less than 99%, green light is bright；Output saturation, orange lamp are bright；Receiving branch is put through power amplifier
After big, it is connected to the port 2185MHz of second medium duplexer；
The centre frequency of second medium duplexer is respectively 1995MHz and 2185MHz, in bandwidth 30MHz, 1995MHz
The transmitting signal (i.e. day leads to terminal device signal) of frequency of heart passes through low noise amplification, filtering, power amplification, and amplification factor is
80dB, output power is up to 2W；For different application, transmission power suitably can reduce or increase；Transmitting branch detection hair
Signal is penetrated, when there is transmitting equipment work, signal is significantly increased, and at this time in such a way that transmitting indicating lamp flashes, instruction is current
The working condition of system；Transmitting branch is connected to the port 1995MHz of first medium duplexer after power amplifier amplifies.
The utility model principle
After device is correctly installed, power supply is normal, and the logical terminal device in day (such as day leads to mobile phone) indoors can be smooth at this time
Search day and lead to satellite, typical time period about two minutes, using the mobile phone of certain model, outdoor search star optimum signal intensity be-
120dBm, after the present apparatus, indoor signal strength is -100dBm, still has biggish surplus, utility model device can cover
Biggish area, and can more devices use simultaneously, have great application value and prospect.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of day messenger bi-directional relaying device, which is characterized in that including two-way signaling relay (2), the two-way letter
One end of number relay (2) connects exterior aerial (1), and the other end is connected with several domestic aerials (4) by power splitter (3),
The exterior aerial (1) leads to satellite-signal for receiving day, after day leads to satellite-signal by two-way signaling relay (2) amplification
Emitted by domestic aerial (4), leads to terminal device convenient for day and receive the logical satellite-signal in day, the domestic aerial (4) is for receiving day
Logical terminal device signal, day leads to after terminal device signal is amplified by two-way signaling relay (2) to be emitted by exterior aerial (1)
It goes out, leads to satellite reception day convenient for day and lead to terminal device signal.
2. according to claim 1 day messenger bi-directional relaying device, which is characterized in that the two-way signaling relay
It (2) include first medium duplexer and second medium duplexer, the first medium duplexer connects exterior aerial (1), described
Second medium duplexer connects several domestic aerials (4) by power splitter (3), and the first medium duplexer and second medium are double
Be equipped with the opposite receiving branch and transmitting branch of the structure same direction between work device, the receiving branch or transmitting branch include according to
Low-noise amplifier, filter and the power amplifier of secondary connection, wherein the low-noise amplifier connection in the receiving branch
First medium duplexer, the power amplifier in receiving branch connect second medium duplexer, the low noise in the transmitting branch
Acoustic amplifier connects second medium duplexer, and the power amplifier in transmitting branch connects first medium duplexer.
3. according to claim 2 day messenger bi-directional relaying device, which is characterized in that the receiving branch and transmitting branch
Road is respectively equipped with automatic growth control alc circuit, and the automatic growth control alc circuit is connected to low-noise amplifier and function
Between rate amplifier, for detecting PA signal output, and internal gain is adjusted, be lost, reached most with compensated line
Good state.
4. according to claim 2 day messenger bi-directional relaying device, which is characterized in that the receiving branch heaven is logical to be defended
Successively along low-noise amplifier, filter and power amplifier, the transmitting branch goes up to the sky to lead to terminal the direction of transfer of star signal
The direction of transfer of device signal is successively along low-noise amplifier, filter and power amplifier.
5. according to claim 2 day messenger bi-directional relaying device, which is characterized in that the exterior aerial (1) and room
Internal antenna (4) uses omnidirectional antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821182108.7U CN208754297U (en) | 2018-07-25 | 2018-07-25 | A kind of day messenger bi-directional relaying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821182108.7U CN208754297U (en) | 2018-07-25 | 2018-07-25 | A kind of day messenger bi-directional relaying device |
Publications (1)
| Publication Number | Publication Date |
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| CN208754297U true CN208754297U (en) | 2019-04-16 |
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| CN201821182108.7U Active CN208754297U (en) | 2018-07-25 | 2018-07-25 | A kind of day messenger bi-directional relaying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847883A (en) * | 2018-07-25 | 2018-11-20 | 苏州阿清智能科技有限公司 | A kind of day messenger bi-directional relaying device and method |
-
2018
- 2018-07-25 CN CN201821182108.7U patent/CN208754297U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847883A (en) * | 2018-07-25 | 2018-11-20 | 苏州阿清智能科技有限公司 | A kind of day messenger bi-directional relaying device and method |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200807 Address after: 215000 station a259, 3rd floor, No. 58, South Tiancheng Road, high speed rail new town, Xiangcheng District, Suzhou City, Jiangsu Province (cluster registration) Patentee after: Suzhou Rongkun Intelligent Machine Technology Co., Ltd Address before: 215000 No. 58 South Tianshan Road, Xincheng railway, Suzhou, Jiangsu Patentee before: SUZHOU ATSING INTELLIGENT TECHNOLOGY Co.,Ltd. |