CN204760548U - Switching formula antenna - Google Patents
Switching formula antenna Download PDFInfo
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- CN204760548U CN204760548U CN201520396899.3U CN201520396899U CN204760548U CN 204760548 U CN204760548 U CN 204760548U CN 201520396899 U CN201520396899 U CN 201520396899U CN 204760548 U CN204760548 U CN 204760548U
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Abstract
The utility model provides a switching formula antenna contains an antenna element, and a gain switch unit. This antenna element receives a radio signal to export the antenna signal about this radio signal. This antenna element is connected to this gain switch unit electricity to including a power amplification module. This antenna signal is received to this power amplification module to export a gain signal about this antenna signal. Wherein, this power amplification module is controlled by a switching signal, and switches between a high -amplitude wave mode and a non - high -amplitude wave mode. Under this high -amplitude wave mode, this power amplification module makes the gain of this gain signal amplitude be the positive value, under this non - high -amplitude wave mode, this power amplification module makes the gain of this gain signal amplitude not be the positive value. The utility model discloses can borrow by adjusting this switching signal automatically or manually, and suitably improve and receive the news quality.
Description
Technical field
The utility model relates to a kind of antenna, particularly relates to a kind of suitching type antenna that can switch high-amplitude wave function.
Background technology
2012, TaiWan, China government widelyd popularize radiovision digitlization, was not only closed by the simulate signal of radiovision, and converted digitized signal to all sidedly.The common people only need complete the installation of reception antenna, namely play by AV device the hd-tv program that 15 to 20 are exempted to pay license fee.Until today, the rating family of radiovision digital program can be watched at present, about more than 3,500,000 families.
But, some areas because of with digital signal transmission station at a distance of excessively far away, or the transmission path of signal is stopped, causes the quality of reception not good, and causes problems such as producing image is broken a rule, paused, news of breaking during broadcasting.Now, the means that user often strengthens using high-amplitude wave device (Booster) as signal, the phase can improve reception quality, but the limited efficiency often improved.This is because high-amplitude wave device could must strengthen signal effectively when signal strength signal intensity is enough, and make TV reception increased quality.If the signal strength signal intensity in source is not enough, or signal to noise ratio (SignalNoiseRatio, SNR) is too low.Now, utilize high-amplitude wave device to carry out signal amplitude gain, also and then the Amplitude amplification of noise with interference, the signal that receives and noise are played on TV simultaneously, and reception quality still cannot be improved.In addition, use high-amplitude wave device also can cause the decline of reception quality in the area that signal strength signal intensity is enough, because after carrying out signal amplitude gain by high-amplitude wave device, signal overloading (Overload) may be produced, and allow TV show the problem of image distortion.
Summary of the invention
The purpose of this utility model be to provide a kind of can according to the quality of Received signal strength, and switching signal amplitude gain function automatically or manually, suitably to improve the suitching type antenna of reception quality.
The utility model suitching type antenna, comprises an antenna element, and a gain switch unit.
This antenna element for receiving a wireless signal, and exports the aerial signal that is relevant to this wireless signal.
This gain switch unit is electrically connected this antenna element, and comprises a power amplification module.This power amplification module receives this aerial signal, and exports the gain signal that is relevant to this aerial signal.Wherein, this power amplification module controls by a switching signal, and switches between a high-amplitude wave pattern and a non-high-amplitude wave pattern.Under this high-amplitude wave pattern, this power amplification module make the gain of this gain signal amplitude on the occasion of; Under this non-high-amplitude wave pattern, the gain that this power amplification module makes this gain signal amplitude on the occasion of.
Preferably, this power amplification module has an amplifier, and a switch between this antenna element and this amplifier.This switch controls by this switching signal, and in a short-circuit condition or an off state.Under this off state, this aerial signal of this amplifier accepts, and export this gain signal, and make this power amplification module be this high-amplitude wave pattern.Under this short-circuit condition, this aerial signal is directly output into this gain signal, and makes this power amplification module be this non-high-amplitude wave pattern.
Preferably, this power amplification module also has a logic lock.This logic lock exports the logic level that is relevant to this switching signal.This switch according to this logic level, and controls to guide this aerial signal to input this amplifier.
Preferably, this suitching type antenna also comprises a transmission unit.This transmission unit comprises one and forms the power supply module of a current supply circuit with this power amplification module.
Preferably, this transmission unit also comprises a band pass filter (BandPassFilter, BPF), and this band pass filter is for receiving this gain signal, and intercept the signal of a special frequency channel, to export the filtering signal that is relevant to this intercepting result.
Preferably, this power supply module has an electric power source, and a power inserter (PowerInserter).The electric energy of this electric power source via this power inserter, and transfers to this power amplification module.This power inserter receives this filtering signal simultaneously, and exports the terminal signaling that is relevant to this filtering signal.
Preferably, this gain switch unit also comprises a feedback commutation circuit.This feedback commutation circuit has a signal detection module.This signal detection module receives this filtering signal, and compares with a signal standards value, and exports this switching signal being relevant to this comparative result.
Preferably, this gain switch unit also comprises a switch.This switch can selectively switch between a high potential and an electronegative potential, and exports this switching signal being relevant to this switching result.
Preferably, this gain switch unit also comprises a commutation circuit.This commutation circuit receives this aerial signal, and compares with a signal standards value, and exports this switching signal being relevant to this comparative result.
Preferably, this commutation circuit has a whole ripple device, and a signal detection module.This whole ripple device receives and adjusts this aerial signal, to export the detection signal that is relevant to this adjustment result.This signal detection module receives this detection signal, and compares with this signal standards value, and exports this switching signal being relevant to this comparative result.
The beneficial effects of the utility model are: by the power judging this aerial signal, and can adjust this switching signal automatically or manually, with this power amplification module of switch to the function of this aerial signal amplitude gain, and suitably improve reception quality.
Accompanying drawing explanation
Of the present utility model other feature and effect, clearly present in reference to graphic execution mode, wherein:
Fig. 1 is a signal flow graph, and first embodiment of the utility model suitching type antenna is described;
Fig. 2 is a signal flow graph, and second embodiment of the utility model suitching type antenna is described;
Fig. 3 is a signal flow graph, and the 3rd embodiment of the utility model suitching type antenna is described.
Embodiment
Before the utility model is described in detail, should be noted that in the following description content, similar assembly represents with identical numbering.
Consult Fig. 1, first embodiment of the utility model suitching type antenna, comprise an antenna element 1, gain switch unit 2, and a transmission unit 3.
This antenna element 1 for receiving a wireless signal, and exports the aerial signal that is relevant to this wireless signal.
This gain switch unit 2 is electrically connected this antenna element 1, and comprises a power amplification module 21, and a feedback commutation circuit 22 with a signal detection module 221.This power amplification module 21 has the switch 212 of 211, one, an amplifier between this antenna element 1 and this amplifier 211, and a logic lock 213.This logic lock 213 exports the logic level that is relevant to a switching signal, makes this switch 212 according to this logic level, and in a short-circuit condition or an off state.This switch 212, under this off state, can guide this aerial signal to input this amplifier 211, and allow this amplifier 211 export a gain signal.Wherein, the gain of this gain signal amplitude be on the occasion of, make this power amplification module 21 in a high-amplitude wave pattern.In addition, this switch 212, under this short-circuit condition, makes this aerial signal not input this amplifier 211, and is directly output into this gain signal, that is, the gain of this gain signal amplitude be not on the occasion of, allow this power amplification module 21 in a non-high-amplitude wave pattern.
This transmission unit 3 comprises a power supply module 31, and a band pass filter (BandPassFilter, BPF) 32.This power supply module 31 has an electric power source 311, and a power inserter (PowerInserter) 312.The electric energy of this electric power source 311 via this power inserter 312, and transfers to this amplifier 211, and forms a current supply circuit.Meanwhile, this band pass filter 32 receives this gain signal, and intercepts the signal of a special frequency channel, and exports the filtering signal that is relevant to this intercepting result.Finally, this power inserter 312 receives this filtering signal, and exports the terminal signaling that is relevant to this filtering signal.
Meanwhile, this signal detection module 221 also receives this filtering signal, and compares with a signal standards value, and exports this switching signal being relevant to this comparative result.Be noted that this first embodiment is by feeding back this filtering signal to this signal detection module 221, using as the quality good or not judging this aerial signal.If this signal detection module 221 is according to the comparison between this filtering signal and this signal standards value, judgement can use this amplifier 211 to carry out signal enhancing, then export and this switch 212 this switching signal in this off state can be made to this logic lock 213, and the amplitude of this aerial signal is carried out on the occasion of gain.But, if this signal detection module 221 judges that this filtering signal reaches normal intensity, or it is too much to detect noise, and be not suitable for using this amplifier 211 to carry out signal enhancing, then export and this switch 212 this switching signal in this short-circuit condition can be made to this logic lock 213, and the amplitude of this aerial signal is not carried out on the occasion of gain.So, just can suitably improve reception quality, and use amplifier 211 to carry out signal amplitude gain nonvoluntaryly.It is worth mentioning that, this first embodiment also can feed back this gain signal to this signal detection module 221, to carry out the Quality estimation of this aerial signal, but in order to avoid causing the frequency influence that has nothing to do with reception channel to the judgement of this signal detection module 221, therefore, be good to feed back this filtering signal.
Whereby, this filtering signal that this first embodiment utilizes this signal detection module 221 to receive to feed back is to judge the quality of this aerial signal, and can automatically this power amplification module 21 of switch to the function of this aerial signal amplitude gain, suitably to improve reception quality.
In addition, this switching signal also can by manually adjusting.Therefore, as shown in Figure 2, second embodiment of the utility model suitching type antenna, comprises an antenna element 1, gain switch unit 4, and a transmission unit 3.
Wherein, this antenna element 1 and this transmission unit 3 are identical with this first embodiment.Therefore, about this antenna element 1 will repeat no more with the dependency structure of this transmission unit 3.
This gain switch unit 4 is electrically connected this antenna element 1, and comprises a power amplification module 21, and a switch 23.This power amplification module 21 has the switch 212 of 211, one, an amplifier between this antenna element 1 and this amplifier 211, and a logic lock 213.This switch 23 can selectively switch between a high potential and an electronegative potential, and exports the switching signal that is relevant to this switching result.This logic lock 213 according to this switching signal, and exports a logic level, makes this switch 212 according to this logic level, and in a short-circuit condition or an off state.This switch 212, under this off state, can guide this aerial signal to input this amplifier 211, and allow this amplifier 211 export a gain signal.Wherein, the gain of this gain signal amplitude be on the occasion of, make this power amplification module 21 in a high-amplitude wave pattern.In addition, this switch 212, under this short-circuit condition, makes this aerial signal not input this amplifier 211, and is directly output into this gain signal, that is, the gain of this gain signal amplitude be not on the occasion of, allow this power amplification module 21 in a non-high-amplitude wave pattern.
Whereby, when a user wants to carry out gain with this amplifier 211 to the amplitude of this aerial signal, then making this switch 23 export is that this switching signal of this high potential is to this logic lock 213.This switching signal converts to and can make the logic level of this switch 212 in this off state by this logic lock 213, and carries out the amplitude of this aerial signal on the occasion of gain.But if this user does not want to carry out gain by this amplifier 211 to the amplitude of this aerial signal, then making this switch 23 export is that this switching signal of this electronegative potential is to this logic lock 213.This switching signal converts to and can make the logic level of this switch 212 in this short-circuit condition by this logic lock 213, and does not carry out on the occasion of gain the amplitude of this aerial signal.Therefore, this second embodiment is judged by this user, and manually this power amplification module 21 of switch to the function of this aerial signal amplitude gain.
In addition, this switching signal also can directly be adjusted by this aerial signal.Therefore, as shown in Figure 3, the 3rd embodiment of the utility model suitching type antenna, comprises an antenna element 1, gain switch unit 5, and a transmission unit 3.
Wherein, this antenna element 1 and this transmission unit 3 are identical with this first embodiment.Therefore, about this antenna element 1 will repeat no more with the dependency structure of this transmission unit 3.
This gain switch unit 5 is electrically connected this antenna element 1, and comprises a power amplification module 21, and a commutation circuit 24.This power amplification module 21 has the switch 212 of 211, one, an amplifier between this antenna element 1 and this amplifier 211, and a logic lock 213.This commutation circuit 24 has a whole ripple device 241, and a signal detection module 242.This whole ripple device 241 receives and adjusts this aerial signal, to export the detection signal that is relevant to this adjustment result.This signal detection module 242 receives this detection signal, and compares with a signal standards value, and exports the switching signal that is relevant to this comparative result.This logic lock 213 exports the logic level that is relevant to this switching signal, makes this switch 212 according to this logic level, and in a short-circuit condition or an off state.This switch 212, under this off state, can guide this aerial signal to input this amplifier 211, and allow this amplifier 211 export a gain signal.Wherein, the gain of this gain signal amplitude be on the occasion of, make this power amplification module 21 in a high-amplitude wave pattern.In addition, this switch 212, under this short-circuit condition, makes this aerial signal not input this amplifier 211, and is directly output into this gain signal, that is, the gain of this gain signal amplitude be not on the occasion of, allow this power amplification module 21 in a non-high-amplitude wave pattern.
Whereby, this aerial signal inputs this power amplification module 21 and this commutation circuit 24 simultaneously, and carry out filtering or amplitude adjustment by the whole ripple device 241 of this commutation circuit 24, and export this detection signal, to judge as this signal detection module 242 whether this aerial signal is applicable to using this amplifier 211 to carry out the basis of amplitude gain.If this signal detection module 242 judges that this aerial signal can use this amplifier 211 to carry out signal enhancing, then export and this switch 212 this switching signal in this off state can be made to this logic lock 213, and the amplitude of this aerial signal is carried out on the occasion of gain.But, if this signal detection module 242 judges that this aerial signal reaches normal intensity, or it is too much to detect noise, and be not suitable for using this amplifier 211 to carry out signal enhancing, then export and this switch 212 this switching signal in this short-circuit condition can be made to this logic lock 213, and the amplitude of this aerial signal is not carried out on the occasion of gain.So, just reception quality can automatically be improved.
It is worth mentioning that, embodiment described above utilizes different modes to produce this switching signal, to carry out the switch of signal amplitude gain.Wherein, described mode can be carried out judgement by multiplexer (Multiplexer) coming and be integrated, and according to a logical operation, and export the switching signal that is relevant to this operation result, the use of this amplifier 211 can not only be made more accurate for opportunity, and the function of this aerial signal amplitude gain of automatic or manual Switch Controller can be selected with suiting measures to differing conditions in terms of time.
In sum, the utility model suitching type antenna can according to the quality good or not of this aerial signal, and the function of automatically switching signal amplitude gain, suitably to improve reception quality.In addition, also by the function of this user manually switching signal amplitude gain, can use and have elasticity concurrently, so really can the purpose of this utility model be reached.
As described above, be only embodiment of the present utility model, when can not limit the scope of the utility model enforcement with this, namely all simple equivalences done according to the utility model claims and description change and modify, and all still belong to scope of the present utility model.
Claims (10)
1. a suitching type antenna, comprises an antenna element, and this antenna element receives a wireless signal, and exports the aerial signal that is relevant to this wireless signal; It is characterized in that: this suitching type antenna also comprises:
A gain switch unit, is electrically connected this antenna element, and this gain switch unit comprises a power amplification module, and this power amplification module receives this aerial signal, and exports the gain signal that is relevant to this aerial signal; Wherein, this power amplification module controls by a switching signal, and switch between a high-amplitude wave pattern and a non-high-amplitude wave pattern, under this high-amplitude wave pattern, this power amplification module make the gain of this gain signal amplitude on the occasion of, under this non-high-amplitude wave pattern, the gain that this power amplification module makes this gain signal amplitude on the occasion of.
2. suitching type antenna according to claim 1, it is characterized in that: this power amplification module has an amplifier, and a switch between this antenna element and this amplifier, this switch controls by this switching signal, and in a short-circuit condition or an off state, under this off state, this aerial signal of this amplifier accepts, and export this gain signal, and make this power amplification module be this high-amplitude wave pattern, under this short-circuit condition, this aerial signal is directly output into this gain signal, and makes this power amplification module be this non-high-amplitude wave pattern.
3. suitching type antenna according to claim 2, it is characterized in that: this power amplification module also has a logic lock, this logic lock exports the logic level that is relevant to this switching signal, and this switch according to this logic level, and controls this aerial signal and inputs this amplifier.
4. suitching type antenna according to claim 1, is characterized in that: this suitching type antenna also comprises a transmission unit, and this transmission unit comprises one and forms the power supply module of a current supply circuit with this power amplification module.
5. suitching type antenna according to claim 4, it is characterized in that: this transmission unit also comprises a band pass filter, this band pass filter for receiving this gain signal, and intercepts the signal of a special frequency channel, to export the filtering signal that is relevant to this intercepting result.
6. suitching type antenna according to claim 5, it is characterized in that: this power supply module has an electric power source, and a power inserter, the electric energy of this electric power source is via this power inserter, and transfer to this power amplification module, this power inserter receives this filtering signal simultaneously, and exports the terminal signaling that is relevant to this filtering signal.
7. suitching type antenna according to claim 5, it is characterized in that: this gain switch unit also comprises a feedback commutation circuit, this feedback commutation circuit has a signal detection module, this signal detection module receives this filtering signal, and compare with a signal standards value, and export this switching signal being relevant to this comparative result.
8. suitching type antenna according to claim 1, it is characterized in that: this gain switch unit also comprises a switch, this switch can selectively switch between a high potential and an electronegative potential, and exports this switching signal being relevant to this switching result.
9. suitching type antenna according to claim 1, it is characterized in that: this gain switch unit also comprises a commutation circuit, this commutation circuit receives this aerial signal, and compares with a signal standards value, and exports this switching signal being relevant to this comparative result.
10. suitching type antenna according to claim 9, it is characterized in that: this commutation circuit has a whole ripple device, and a signal detection module, this whole ripple device receives and adjusts this aerial signal, to export the detection signal that is relevant to this adjustment result, this signal detection module receives this detection signal, and compares with this signal standards value, and exports this switching signal being relevant to this comparative result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520396899.3U CN204760548U (en) | 2015-06-10 | 2015-06-10 | Switching formula antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520396899.3U CN204760548U (en) | 2015-06-10 | 2015-06-10 | Switching formula antenna |
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| Publication Number | Publication Date |
|---|---|
| CN204760548U true CN204760548U (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520396899.3U Expired - Fee Related CN204760548U (en) | 2015-06-10 | 2015-06-10 | Switching formula antenna |
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| Country | Link |
|---|---|
| CN (1) | CN204760548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108123207A (en) * | 2018-01-22 | 2018-06-05 | 吴芳 | A kind of Domestic T. V. antenna |
-
2015
- 2015-06-10 CN CN201520396899.3U patent/CN204760548U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108123207A (en) * | 2018-01-22 | 2018-06-05 | 吴芳 | A kind of Domestic T. V. antenna |
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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 |
Granted publication date: 20151111 Termination date: 20200610 |
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| CF01 | Termination of patent right due to non-payment of annual fee |