CN201499316U - Radio-frequency signal indoor repeating device - Google Patents
Radio-frequency signal indoor repeating device Download PDFInfo
- Publication number
- CN201499316U CN201499316U CN2009203078869U CN200920307886U CN201499316U CN 201499316 U CN201499316 U CN 201499316U CN 2009203078869 U CN2009203078869 U CN 2009203078869U CN 200920307886 U CN200920307886 U CN 200920307886U CN 201499316 U CN201499316 U CN 201499316U
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- directly putting
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- radiofrequency signal
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Abstract
The utility model discloses a radio-frequency signal indoor repeating device, which comprises an outdoor antenna, a cable, an indoor repeater and an AC adapter; the repeater comprises a box body and a repeating part mounted inside the box body; a signal access port is formed on the box body, the repeating part is connected with the signal access port, the outdoor antenna is connected with the signal access port through the cable; an indoor antenna is mounted on the box body and connected with the repeating part; the input of the AC adapter is connected with AC mains, and the output thereof is connected with the repeating part; and the repeating part adopts an one-way link or a two-way link. The radio-frequency signal indoor repeating device has the characteristics of dispensing with construction and being easy to install, is suitable for being used in habitable room environment where indoor radio-frequency signals are poor , and effectively changes the current situation that the indoor radio-frequency signals must depend on the construction carried out by radio-frequency signal provider.
Description
Technical field
The utility model relates to a kind of radiofrequency signal and amplifies repeater system, especially relates to the indoor device of directly putting of a kind of radiofrequency signal.
Background technology
Radiofrequency signal is a kind of through ovennodulation, and electric wave with certain tranmitting frequency, it and daily life relation is more and more closer, moves receiving terminal etc. as mobile communication, radio modem, WLAN, Digital Television, all be unable to do without the transmission and the covering of radiofrequency signal.Radiofrequency signal is launched by television transmitting station or communication base station usually, but regardless of the power of television transmitting station or communication base station, all may because of hypsography or building is formed blocks, and causes radiofrequency signal to have coverage hole.There is intrinsic loss in building structure as the city building to radiofrequency signal, and it is indoor to make that outdoor radiofrequency signal can't cover reliably.
For solving the indoor covering problem of radiofrequency signal, the method that radiofrequency signal supplier takes at present is that regional ground signalization is directly put forwarding unit, set directly put forwarding unit the radiofrequency signal that receives be amplified to bigger radio-frequency power after, realize the covering that radiofrequency signal is indoor to these zone building more in two ways.The antenna that the first directly inserts radio-frequency power the single-point arrangement carries out the forwarding of radiofrequency signal, to improve this regional radio-frequency (RF) signal strength, overcomes the radiofrequency signal loss that building produces, and realizes that the indoor radiofrequency signal of these zone building covers; It two is building to be carried out indoor cable lay, and the multiple spot in building is settled some antennas, to directly put the radio-frequency power access cable that forwarding unit amplifies, and carry out the forwarding of radiofrequency signal, respectively the different range in the building is realized the covering of radiofrequency signal by the antenna of multiple spot device.
Yet said method needs the radiofrequency signal supplier to carry out engineering construction, and because the radiofrequency signal supplier runs the influence of strategy, causes all building in city to be difficult to together realize that indoor radiofrequency signal covers.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, provide a kind of radiofrequency signal the indoor device of directly putting, have the engineering of need not and easy-to-install characteristics, be applicable to the outdoor living environment use that radiofrequency signal indoor signal difference is arranged, can change effectively and realize that indoor radiofrequency signal covering must rely on the present situation that the radiofrequency signal supplier implements engineering.
The technical scheme that its technical problem that solves the utility model adopts is: the indoor device of directly putting of a kind of radiofrequency signal comprises:
One exterior aerial;
One cable;
The one indoor device of directly putting, this is indoor directly puts device and comprises box body and be installed in and directly put device in the box body; Box body is provided with signal access port, and the described device of directly putting is connected with described signal access port, is connected by cable between described exterior aerial and the described signal access port; On this box body domestic aerial is housed, described domestic aerial is connected with the described device of directly putting;
One AC adapter, its input is connected with electric main, and its output is connected with the described device of directly putting.
The described device of directly putting is the unidirectional device of directly putting, and this unidirectional device of directly putting comprises input filter, radio frequency amplifier and output filter; The input of described input filter is connected with signal access port, and the output of this input filter is connected to the input of radio frequency amplifier; The output of this radio frequency amplifier is connected to the input of output filter; The output of this output filter is connected with domestic aerial.
Also be provided with the adjustment key that is used to regulate parameter in the described radio frequency amplifier.
The described device of directly putting is the two-way device of directly putting, and this two-way device of directly putting comprises first duplexer, second duplexer, descending low noise amplifier, downstream filter, ascending power amplifier, upstream filter and up low noise amplifier; Described first duplexer is connected with signal access port; The output of first duplexer is connected to the input of descending low noise amplifier, and the output of descending low noise amplifier is connected to the input of downstream filter, and the output of downstream filter is connected to the input of second duplexer; Second duplexer is connected with domestic aerial; The output of second duplexer is connected to the input of up low noise amplifier, the output of up low noise amplifier is connected to the input of upstream filter, the output of upstream filter is connected to the input of ascending power amplifier, and the output of ascending power amplifier is connected to the input of first duplexer.
The described two-way device of directly putting comprises that also one is provided with the control unit of operating key; This control unit is connected with descending low noise amplifier, ascending power amplifier and up low noise amplifier respectively.
Described domestic aerial is fixed being installed on the box body.
Described domestic aerial is detachable being installed on the box body.
Described AC adapter is built in the box body.
Described AC adapter is an external, and box body is provided with outlet, and AC adapter is connected with the described device of directly putting by outlet.
The indoor device of directly putting of a kind of radiofrequency signal of the present utility model, settle exterior aerial earlier, be used for the existing and required radiofrequency signal of receiving chamber outward, by cable this radiofrequency signal is introduced again and needed to realize the indoor of radiofrequency signal covering, then at the indoor device of directly putting of indoor arrangement radiofrequency signal, this indoor device of directly putting has disposed signal access port and domestic aerial, the radiofrequency signal that cable is introduced inserts this indoorly directly puts in the device, then carry out the forwarding of radiofrequency signal by the domestic aerial that this device disposes, with the purpose that realizes that the indoor range radiofrequency signal covers through the indoor radiofrequency signal of directly putting the device amplification of radiofrequency signal.
The indoor device of directly putting of a kind of radiofrequency signal of the present utility model, what two kinds of forms were arranged directly puts device: unidirectional device and the two-way device of directly putting directly put.This unidirectional directly putting in the device is carried out necessary Filtering Processing with input filter to the radiofrequency signal of introducing from exterior aerial earlier, to reduce the interference of unwanted signal to desired signal; With radio frequency amplifier filtered radiofrequency signal is amplified again; With output filter the radiofrequency signal of this amplification is carried out Filtering Processing then, to improve the quality of radio frequency output signal; The radiofrequency signal of amplifying is finished the emission of radiofrequency signal by domestic aerial after output filter filtering, cover to realize indoor radiofrequency signal.Has the two-way indoor device of directly putting of radiofrequency signal of directly putting device, be in the unidirectional RF signal cabin, directly to put on the basis of device, increase some reverse devices, and increase by first duplexer and second duplexer respectively at the input and output port of radiofrequency signal, can isolate mutually when guaranteeing that downlink radio-frequency signal and up radiofrequency signal are used same exterior aerial and domestic aerial.
Here, the employed exterior aerial of the utility model, domestic aerial and cable can be selected the suitable conventional antenna and the cable of respective radio-frequency frequency range according to the situation of outdoor radiofrequency signal.
The beneficial effects of the utility model are: the indoor device of directly putting of this radiofrequency signal, can be used for realizing that indoor radiofrequency signal covers, and because of the less volume of its required radio-frequency power less, easy for installation, thereby can install and use voluntarily by the rf terminal user, must rely on the present situation that the radiofrequency signal supplier implements engineering thereby changed the indoor vision signal covering that realizes living environment.This radiofrequency signal is indoor directly puts device and is specially adapted to outdoorly radiofrequency signal is arranged and use in the living environment of indoor signal difference.
Below in conjunction with drawings and Examples the utility model is described in further detail; But the indoor device of directly putting of a kind of radiofrequency signal of the present utility model is not limited to embodiment.
Description of drawings
Fig. 1 is an indoor surface structure schematic diagram of directly putting device of the present utility model.
Fig. 2 is the theory diagram of embodiment one the utility model (unidirectional);
Fig. 3 is the theory diagram of embodiment two the utility model (two-way).
Embodiment
Embodiment one, and referring to Fig. 1, shown in Figure 2, the indoor device of directly putting of a kind of radiofrequency signal of the present utility model comprises an exterior aerial 2, a cable, an indoor device and the AC adapter of directly putting; This is indoor directly puts device and comprises box body 1 and be installed in and directly put device in the box body 1; Box body 1 is provided with signal access port 11, directly puts device and is connected with signal access port 11, is connected by cable between exterior aerial 2 and the signal access port 11; On this box body 1 domestic aerial 12 is housed, this domestic aerial 12 with directly put device and be connected; The input of this AC adapter is connected with electric main, its output with directly put device and be connected, this AC adapter is used for providing power supply 3 to the indoor device of directly putting.
Wherein:
Directly putting device is the unidirectional device of directly putting, and this unidirectional device of directly putting comprises input filter 13, radio frequency amplifier 14 and output filter 15; The input of input filter 13 is connected with signal access port 11, and the output of this input filter 13 is connected to the input of radio frequency amplifier 14; The output of this radio frequency amplifier 14 is connected to the input of output filter 15; The output of this output filter 15 is connected with domestic aerial 12;
Also be provided with the adjustment key that is used to regulate parameter in the radio frequency amplifier 14;
AC adapter can be built in the box body 1; This AC adapter also can be located at outside the box body 1, at this moment, need be provided with outlet on the box body 1, AC adapter by outlet with directly put device and be connected;
Domestic aerial 12 can be fixed being installed on the box body 1, also can be detachable being installed on the box body 1.
The indoor device of directly putting of a kind of radiofrequency signal of the present utility model is the amplification that is used for radio television signal, and exterior aerial 2 plays reception antenna, and domestic aerial 12 plays the repeating transmission antenna.Settle exterior aerial 2 earlier, be used to receive from the required radiofrequency signal of television transmitting station's transmitting users, by cable this radiofrequency signal is introduced again and needed to realize the indoor of radiofrequency signal covering, directly put device in indoor arrangement then, and the radiofrequency signal that cable is introduced is directly put in the device by signal access port 11 accesses.This unidirectional input of directly putting the input filter 13 of device is connected with exterior aerial 2 with cable by signal access port 11, so that the radiofrequency signal of introducing from exterior aerial 2 is carried out necessary filtering; The output of this input filter 13 is connected to the input of radio frequency amplifier 14, so that 14 pairs of filtered radiofrequency signals of radio frequency amplifier are amplified; The output of this radio frequency amplifier 14 is connected to the input of output filter 15, to improve the quality of radio frequency output signal; The output of this output filter 15 is connected with domestic aerial 12, to be finished the emission of radiofrequency signal to receiving terminal by domestic aerial 12, realizes that indoor radiofrequency signal covers.
Embodiment two, referring to Fig. 1, shown in Figure 3, the indoor device of directly putting of a kind of radiofrequency signal of the present utility model, be with the difference of embodiment one, directly putting device is the two-way device of directly putting, and therefore is used to realize the forwarding of signal of communication, at this moment, exterior aerial 2 plays donor antenna, and domestic aerial 12 plays the forwarding antenna.
This two-way device of directly putting comprises first duplexer 101, second duplexer 102, descending low noise amplifier 103, downstream filter 104, ascending power amplifier 105, upstream filter 106 and up low noise amplifier 107; This first duplexer 101 is connected with exterior aerial 2 with cable by signal access port 11, is used to receive the radiofrequency signal of launching from communication base station; The output of first duplexer 101 is connected to the input of descending low noise amplifier 103, and the output of descending low noise amplifier 103 is connected to the input of downstream filter 104, and the output of downstream filter 104 is connected to the input of second duplexer 102; Second duplexer 102 is connected with domestic aerial 12; The output of second duplexer 102 is connected to the input of up low noise amplifier 107, the output of up low noise amplifier 107 is connected to the input of upstream filter 106, the output of upstream filter 106 is connected to the input of ascending power amplifier 105, and the output of ascending power amplifier 105 is connected to the input of first duplexer 101.This two-way device of directly putting comprises that also one is provided with the control unit 108 of operating key; This control unit 108 is connected with descending low noise amplifier 103, ascending power amplifier 105 and up low noise amplifier 107 respectively.
This directly puts device is the two-way indoor device of directly putting of radiofrequency signal of directly putting device, be in the unidirectional RF signal cabin, directly to put on the basis of device, increase some reverse devices, and increase by first duplexer 101 and second duplexer 102 respectively at the input and output port of radiofrequency signal, can isolate mutually when guaranteeing that downlink radio-frequency signal and up radiofrequency signal are used same exterior aerial 2 and domestic aerial 12.
According to the situation that the actual radio frequency signal covers, the radio-frequency power of common 10 milliwatts (10dBm) can cover about 100 meters distance, and therefore, the output power level of embodiment one of the present utility model is 10 milliwatts; Usually can amplify again the radiofrequency signal incoming level transmitted for-55 dBms (55dBm), the gain of satisfying the radio frequency amplifier 13 of the indoor covering of radiofrequency signal among the embodiment one then of the present utility model is about 65 decibels, and such radio frequency amplifier can be realized according to existing radio-frequency technique.
For embodiment two of the present utility model, the power that its up radiofrequency signal is required, depend on the condition of exterior aerial 2 and communication base station, existing radio-frequency technique can provide 60～100 decibels gain requirement fully, and only the volume and the power consumption of directly putting device in the radio frequency signal cabin is exerted an influence.
The foregoing description only is used for further specifying the indoor device of directly putting of a kind of radiofrequency signal of the present utility model; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model all falls into the protection range of technical solutions of the utility model to any simple modification, equivalent variations and modification that above embodiment did.
Claims (9)
1. indoor device of directly putting of radiofrequency signal is characterized in that: comprising:
One exterior aerial;
One cable;
The one indoor device of directly putting, this is directly put device and comprises box body and be installed in and directly put device in the box body; Box body is provided with signal access port, and the described device of directly putting is connected with described signal access port, is connected by cable between described exterior aerial and the described signal access port; On this box body domestic aerial is housed, described domestic aerial is connected with the described device of directly putting;
One AC adapter, its input is connected with electric main, and its output is connected with the described device of directly putting.
2. the indoor device of directly putting of radiofrequency signal according to claim 1 is characterized in that: the described device of directly putting is the unidirectional device of directly putting, and this unidirectional device of directly putting comprises input filter, radio frequency amplifier and output filter; The input of described input filter is connected with signal access port, and the output of this input filter is connected to the input of radio frequency amplifier; The output of this radio frequency amplifier is connected to the input of output filter; The output of this output filter is connected with domestic aerial.
3. the indoor device of directly putting of radiofrequency signal according to claim 2 is characterized in that: also be provided with the adjustment key that is used to regulate parameter in the described radio frequency amplifier.
4. the indoor device of directly putting of radiofrequency signal according to claim 1, it is characterized in that: the described device of directly putting is the two-way device of directly putting, and this two-way device of directly putting comprises first duplexer, second duplexer, descending low noise amplifier, downstream filter, ascending power amplifier, upstream filter and up low noise amplifier; Described first duplexer is connected with signal access port; The output of first duplexer is connected to the input of descending low noise amplifier, and the output of descending low noise amplifier is connected to the input of downstream filter, and the output of downstream filter is connected to the input of second duplexer; Second duplexer is connected with domestic aerial; The output of second duplexer is connected to the input of up low noise amplifier, the output of up low noise amplifier is connected to the input of upstream filter, the output of upstream filter is connected to the input of ascending power amplifier, and the output of ascending power amplifier is connected to the input of first duplexer.
5. the indoor device of directly putting of radiofrequency signal according to claim 4 is characterized in that: the described two-way device of directly putting comprises that also one is provided with the control unit of operating key; This control unit is connected with descending low noise amplifier, ascending power amplifier and up low noise amplifier respectively.
6. the indoor device of directly putting of radiofrequency signal according to claim 1, it is characterized in that: described domestic aerial is fixed being installed on the box body.
7. the indoor device of directly putting of radiofrequency signal according to claim 1, it is characterized in that: described domestic aerial is detachable being installed on the box body.
8. the indoor device of directly putting of radiofrequency signal according to claim 1, it is characterized in that: described AC adapter is built in the box body.
9. the indoor device of directly putting of radiofrequency signal according to claim 1, it is characterized in that: described AC adapter is an external, and box body is provided with outlet, AC adapter is connected with the described device of directly putting by outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203078869U CN201499316U (en) | 2009-08-12 | 2009-08-12 | Radio-frequency signal indoor repeating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203078869U CN201499316U (en) | 2009-08-12 | 2009-08-12 | Radio-frequency signal indoor repeating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201499316U true CN201499316U (en) | 2010-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203078869U Expired - Fee Related CN201499316U (en) | 2009-08-12 | 2009-08-12 | Radio-frequency signal indoor repeating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201499316U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064295A (en) * | 2011-10-18 | 2013-04-24 | 星辰先创通信系统(厦门)有限公司 | Method of setting, inquiring and uploading working parameter of radio frequency repeater device |
| CN104092965A (en) * | 2014-06-26 | 2014-10-08 | 北京数字电视国家工程实验室有限公司 | System and method for improving indoor coverage rate of terrestrial digital television signals |
-
2009
- 2009-08-12 CN CN2009203078869U patent/CN201499316U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064295A (en) * | 2011-10-18 | 2013-04-24 | 星辰先创通信系统(厦门)有限公司 | Method of setting, inquiring and uploading working parameter of radio frequency repeater device |
| CN103064295B (en) * | 2011-10-18 | 2015-11-25 | 星辰先创通信系统(厦门)有限公司 | A kind of radio frequency directly puts the method that equipment carries out arranging its running parameter of inquiry unloading |
| CN104092965A (en) * | 2014-06-26 | 2014-10-08 | 北京数字电视国家工程实验室有限公司 | System and method for improving indoor coverage rate of terrestrial digital television signals |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20100602 Termination date: 20160812 |