CN103812514B - Electric wave signal receiving system - Google Patents
Electric wave signal receiving system Download PDFInfo
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- CN103812514B CN103812514B CN201210444595.0A CN201210444595A CN103812514B CN 103812514 B CN103812514 B CN 103812514B CN 201210444595 A CN201210444595 A CN 201210444595A CN 103812514 B CN103812514 B CN 103812514B
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- signal
- electric wave
- wave signal
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Abstract
The present invention discloses a kind of for providing signal to the electric wave signal receiving system of transceiver, comprise signal acquisition module and signal processing module, this signal acquisition module is used for one of them the acquisition electric wave signal by the electric lead in supply socket, vehicle-used cigarette lighter and this three of metal car shell, and then do not need to use traditional stand-alone antenna, but the received vector of electric wave signal is used as with materials such as existing electric lead or metals, reach better reception.
Description
Technical field
The present invention relates to a kind of electric wave signal receiving system, particularly relating to a kind of without the need to using the electric wave signal receiving system of traditional stand-alone antenna.
Background technology
Traditionally, AM/FM (AM/FM) receiver, digital audio (DigitalAudioBroadcasting, DAB) receiver system of receiver, Digital Television (DigitalTV, DTV) receiver etc. all need external one independently antenna or antenna holder using the received vector as electric wave signal.
But traditional external antenna, often because of cost and the consideration on taking up room and only arrange in pairs or groups less antenna or antenna holder, so often causes the bad of reception and inconvenience.
Summary of the invention
One object of the present invention is the antenna or the antenna holder that do not need external traditional type.
Another object of the present invention is to utilize the materials such as existing electric lead or metal to be used as the received vector of electric wave signal.
Another object of the present invention is to provide convenient and that reception is good electric wave signal receiving system.
For reaching above-mentioned purpose and other objects, the signal that provides of the present invention comprises to the electric wave signal receiving system of transceiver: signal acquisition module, for one of them the acquisition electric wave signal by both the electric lead and metal car shell in supply socket; And signal processing module, for being opened up this electric wave signal frequently, being increased intensity to be adjusted to this signal being provided to this transceiver.
In an embodiment, this signal acquisition module being captured this electric wave signal by this metal car shell is comprised: magnet iron piece, for magnetic at this metal car shell; And coil groups, be electrically connected this signal processing module around this magnet iron piece, for electric current induction and carry out by the setting of the inductance value of this coil groups the frequency that resonance goes out this electric wave signal, to be provided to this signal processing module.This signal acquisition module being captured this electric wave signal by the electric lead in this supply socket is comprised: power plug, for being plugged to this supply socket, and the power supply transmitted with the electric lead drawing this supply socket; Power plug, for being plugged to this supply socket, the power supply transmitted with the electric lead drawing this supply socket; Resonant circuit, is electrically connected this electric power isolation change-over circuit, for receiving this DC signal and being set to go out the frequency of this electric wave signal in this DC signal, to be provided to this signal processing module by resonance.
In an embodiment, this signal processing module comprises: bandwidth adjusts match circuit, is electrically connected this signal acquisition module, for expanding the frequency of this received electric wave signal; Gain amplifying circuit, is electrically connected this bandwidth and adjusts match circuit, maintains in preset range for making the signal amplitude of this electric wave signal; And standing wave adjusts match circuit, be electrically connected between this gain amplifying circuit and this receiver, to produce this signal according to this electric wave signal, and for this signal of transmission of preventing to impedance mismatch during this receiver.
For reaching above-mentioned purpose and other objects, the present invention separately proposes a kind of multi-functional electric wave signal receiving system, and its signal acquisition module comprises: the first signal acquisition portion, secondary signal acquisition portion and the first switching part; This first signal acquisition portion captures this electric wave signal by the electric lead in supply socket, comprises power plug, electric power isolation change-over circuit and resonant circuit; This secondary signal acquisition portion captures this electric wave signal by metal car shell, comprises: magnet iron piece and coil groups; This first switching part is electrically connected this first signal acquisition portion and this secondary signal acquisition portion, for the setting according to outside, one of them optionally switching to by both this coil groups in this resonant circuit in this first signal acquisition portion and this secondary signal acquisition portion exports this captured electric wave signal.
In an embodiment, this signal acquisition module also comprises: the 3rd signal acquisition portion and the second switching part; 3rd signal acquisition portion captures this electric wave signal by the electric lead in vehicle-used cigarette lighter; This second switching part is electrically connected between this electric power isolation change-over circuit and this resonant circuit and is also electrically connected the 3rd signal acquisition portion simultaneously, for the setting according to outside, optionally switch to and isolate one of them of both change-over circuit and the 3rd signal acquisition portion by this electric power in this first signal acquisition portion and export this captured electric wave signal.
Thus, the present invention is used as the received vector of electric wave signal with materials such as existing electric lead or metals, reach better reception effect, a kind of integrated Multifunctional electric wave receiving system is also provided further, reaches result of use easily in the mode switched.
Accompanying drawing explanation
Fig. 1 is the system block schematic diagram of electric wave signal receiving system in the embodiment of the present invention.
Fig. 2 is the block schematic diagram of the signal processing module in the electric wave signal receiving system in the embodiment of the present invention.
Fig. 3 A is the schematic diagram of the electric wave signal receiving system in first embodiment of the invention.
Fig. 3 B is the schematic diagram of the electric wave signal receiving system in second embodiment of the invention.
Fig. 3 C is the schematic diagram of the electric wave signal receiving system in third embodiment of the invention.
Fig. 3 D is the schematic diagram of the electric wave signal receiving system in fourth embodiment of the invention.
Critical piece Reference numeral:
100 radiation received vectors
200 electric wave signal receiving systems
210 signal acquisition modules
211 power plugs
212 electric power isolation change-over circuits
213 resonant circuits
215 magnet iron pieces
216 coil groups
218 vehicle-used cigarette lighters
221 first switching parts
222 second switching parts
250 signal processing modules
251 bandwidth adjust match circuit
253 gain amplifying circuits
255 standing waves adjust match circuit
300 transceivers
Embodiment
For fully understanding object of the present invention, feature and technique effect, here by following specific embodiment, and by reference to the accompanying drawings, the present invention being elaborated, being described as follows:
First please refer to Fig. 1, it is the system block schematic diagram of electric wave signal receiving system in the embodiment of the present invention.Electric wave signal receiving system 200 in the embodiment of the present invention comprises: signal acquisition module 210 and signal processing module 250.Electric wave signal receiving system 200 for being captured the electric wave signal in space by radiation received vector 100, and provides signal to transceiver 300 after inter-process.
In embodiments of the invention, this signal acquisition module 210 by: the electric lead in supply socket, the electric lead in vehicle-used cigarette lighter or metal car shell are used as received vector to capture electric wave signal.Meanwhile, by signal processing module 250, this electric wave signal opened up frequently, increased intensity to be adjusted to this signal being provided to this transceiver 300.
Then please refer to Fig. 2, it is the block schematic diagram of the signal processing module 250 in the electric wave signal receiving system 200 in the embodiment of the present invention.This signal processing module 250 comprises: bandwidth is adjusted match circuit 251, gain amplifying circuit 253 and standing wave and adjusted match circuit 255.
This bandwidth is adjusted match circuit 251 and is electrically connected this signal acquisition module 210, for expanding the frequency of this received electric wave signal.The filter of prior art and exhibition frequency controller can be adopted to implement when reality is implemented.With the electric wave signal that signal acquisition module 210 of the present invention captures, can be the bandwidth of 400MHz by the bandwidth expansion of captured about 100MHz.
Gain amplifying circuit 253 is electrically connected this bandwidth and adjusts match circuit 251, maintains in preset range for making the signal amplitude of this electric wave signal.With embodiments of the invention, gain amplifying circuit 253 can be such as automatic gain control circuit (AutomaticGainControl, AGC), for hold amplifier amplitude output signal haply in the Circuits System of steady state.In this circuit arrangement, AGC is a degeneration factor, and it can be divided into gain controlled amplifying circuit and control voltage forms circuit two parts.Gain controlled amplifying circuit is positioned at forward and amplifies path, and its gain changes with control voltage.What control voltage formed circuit is then comprise AGC wave detector and low pass smoothing filter substantially.No matter the amplitude fluctuation what state of the signal of input AGC, all can send a direct current signal proportional with this signal amplitude, the output voltage of direct current signal after filtering and this level and smooth signal is as bias voltage and be added to previous stage or what amplifying circuit front, to reduce its gain with correct polarity; The signal of input AGC is stronger, and it is larger that gain reduces, and the gain of result low level signal amplification is high, and large-signal gain amplifier is little, and amplitude output signal is maintained within a certain range, and reaches the intensity of electric wave signal that the effect of gain control and then Absorbable organic halogens capture.
Standing wave is adjusted match circuit 255 and is electrically connected between this gain amplifying circuit 253 and this receiver 300, to produce this signal according to this electric wave signal, and for this signal of transmission of preventing to impedance mismatch during this receiver 300.Due to receiver 300 high impedance can with the design of different label difference to some extent, due to the difference of impedance operator, during transmission, a part of electromagnetic energy is reflected back, and causes the phenomenon of impedance mismatch and produces standing wave online in transmission.In order to this phenomenon mild, the present invention can utilize such as when implementing: antenna match telegon (AntennaTunerUnit, ATU) this standing wave adjusts match circuit 255 to adjust impedance and then to reach the output of good voltage standing wave ratio (VoltageStandingWaveRatio, VSWR).
Then please refer to Fig. 3 A, it is the schematic diagram of the electric wave signal receiving system in first embodiment of the invention.In this embodiment, this signal acquisition module 210 captures this electric wave signal by means of only as the electric lead in this supply socket of radiation received vector 100, and this signal acquisition module 210 comprises: power plug 211, electric power isolation change-over circuit 212 and resonant circuit 213.
Power plug 211, for being plugged to this supply socket 100, the power supply transmitted with the electric lead drawing this supply socket 100, namely comprises this electric wave signal in this power supply signal; Then, be electrically connected electric power isolation change-over circuit 212 (such as: transformer) of this power plug 211, this Power convert is become DC signal; Finally, the resonant circuit 213 being electrically connected this electric power isolation change-over circuit 212 receives this DC signal and resonance goes out the frequency of this electric wave signal in this DC signal, to be provided to this signal processing module 250.Wherein, this resonant circuit 213 can be lc circuit, by the setting of the parameter of electric capacity C and inductance L (such as according to formula: F=1/(2* π * (LC)
1/2) set, wherein, f is resonance frequency, and π is phase place), can resonance go out institute for reception frequency, i.e. this electric wave signal.
Then please refer to Fig. 3 B, it is the schematic diagram of the electric wave signal receiving system in second embodiment of the invention.In this embodiment, this signal acquisition module 210 captures this electric wave signal by means of only this metal car shell as radiation received vector 100, and this signal acquisition module 210 comprises: magnet iron piece 215 and coil groups 216.
Magnet iron piece 215 at this metal car shell, for example can adopt the structure of cylindrical-shaped structure as shown in Figure 3 B or other shapes for magnetic.Coil groups 216 is around this magnet iron piece 215 and be electrically connected this signal processing module 250, for electric current induction and carry out by the setting of the inductance value of this coil groups 216 frequency that resonance goes out this electric wave signal, to be provided to this signal processing module 250.In this embodiment, the magnetic line of force of magnet iron piece 215 can be changed with contacted metal car shell, and this coil groups 216 also can form inductor with the collocation of magnet iron piece 215, by coil groups 216 mate required inductance value around the number of turn.Can be 1 μ H ~ 1000 μ H (Henry) according to the frequency setting of required resonance with being applied to metal car shell of this embodiment.
Then please refer to Fig. 3 C, it is the schematic diagram of the electric wave signal receiving system in third embodiment of the invention.In this embodiment, these two kinds of occupation modes of electric lead in the metal car shell and supply socket of radiation received vector 100 are integrated into a system, signal acquisition module 210 and signal processing module 250 can be incorporated in device case during actual enforcement, and solely expose power plug 211 (comprising the connecting line of isolating change-over circuit 212 with electric power), magnet iron piece 215 and coil groups 216 (comprising connecting line).
Under the object that this is integrated, signal acquisition module 210 comprises: the first signal acquisition portion (being by capturing this electric wave signal as the electric lead in this supply socket of radiation received vector 100), secondary signal acquisition portion (be and capture this electric wave signal by this metal car shell as radiation received vector 100) and the first switching part 221.First switching part 221 (being such as path switch) is electrically connected this first signal acquisition portion and this secondary signal acquisition portion, for the setting according to external users, optionally switch to and export this captured electric wave signal by this resonant circuit 213 in this first signal acquisition portion or by this coil groups 216 in this secondary signal acquisition portion.
Then please refer to Fig. 3 D, it is the schematic diagram of the electric wave signal receiving system in fourth embodiment of the invention.In this embodiment, compared with the multi-link 3rd signal acquisition portion of the 3rd embodiment of Fig. 3 C.3rd signal acquisition portion captures this electric wave signal by the electric lead in vehicle-used cigarette lighter 218.Signal acquisition module in 4th embodiment 210 also comprises: the 3rd signal acquisition portion and the second switching part 222.Wherein, second switching part 222 is electrically connected between this electric power isolation change-over circuit 212 and this resonant circuit 213, and be electrically connected the 3rd signal acquisition portion (i.e. vehicle-used cigarette lighter 218) simultaneously, for the setting according to outside, optionally switch to by this electric power isolation change-over circuit 212 in this first signal acquisition portion or export this captured electric wave signal by the vehicle-used cigarette lighter 218 in the 3rd signal acquisition portion.Accordingly, when this first switching part 221 is switched to this resonant circuit 213 and this signal processing module 250 is electrically connected mutually, this second switching part 222 just can act on to some extent, otherwise namely this first switching part 221 is be switched to make this signal processing module 250 be electrically connected this coil groups 216.
Electric lead in the metal car shell, supply socket 211 of radiation received vector 100 and these the three kinds of occupation modes of electric lead in vehicle-used cigarette lighter 218 are integrated into a system, signal acquisition module 210 and signal processing module 250 can be incorporated in device case during actual enforcement, and solely expose power plug 211 (comprising the connecting line of isolating change-over circuit 212 with electric power), magnet iron piece 215, coil groups 216 (comprising connecting line) and vehicle-used cigarette lighter 218 (comprising connecting line).
The present invention discloses with preferred embodiment hereinbefore, but it will be understood by those skilled in the art that this embodiment only for describing the present invention, and should not be read as and limit the scope of the invention.It should be noted, every change with this embodiment equivalence and displacement, all should be considered as being covered by category of the present invention.Therefore, the content that protection scope of the present invention ought limit with claims is as the criterion.
Claims (5)
1. an electric wave signal receiving system, is characterized in that, for providing signal to transceiver, comprises:
Signal acquisition module, for one of them the acquisition electric wave signal by both the electric lead and metal car shell in supply socket; And
Signal processing module, for being opened up this electric wave signal frequently, being increased intensity to be adjusted to this signal being provided to this transceiver,
Wherein, this signal acquisition module capturing this electric wave signal by this metal car shell comprises:
Magnet iron piece, for magnetic at this metal car shell; And
Coil groups, is electrically connected this signal processing module around this magnet iron piece, for electric current induction and carry out by the setting of the inductance value of this coil groups the frequency that resonance goes out this electric wave signal, to be provided to this signal processing module; And
Wherein, this signal acquisition module capturing this electric wave signal by the electric lead in this supply socket comprises:
Power plug, for being plugged to this supply socket, the power supply transmitted with the electric lead drawing this supply socket;
Electric power isolation change-over circuit, is electrically connected this power plug, for this Power convert is become DC signal; And
Resonant circuit, is electrically connected this electric power isolation change-over circuit, for receiving this DC signal and being set to go out the frequency of this electric wave signal in this DC signal, to be provided to this signal processing module by resonance.
2. electric wave signal receiving system as claimed in claim 1, it is characterized in that, this signal processing module comprises:
Bandwidth adjusts match circuit, is electrically connected this signal acquisition module, for expanding the frequency of this received electric wave signal;
Gain amplifying circuit, is electrically connected this bandwidth and adjusts match circuit, maintains in preset range for making the signal amplitude of this electric wave signal; And
Standing wave adjusts match circuit, is electrically connected between this gain amplifying circuit and this receiver, to produce this signal according to this electric wave signal, and for this signal of transmission of preventing to impedance mismatch during this receiver.
3. an electric wave signal receiving system, is characterized in that, for capturing electric wave signal and being converted to the signal being provided to transceiver, comprises:
Signal acquisition module, it comprises:
First signal acquisition portion, capture this electric wave signal by the electric lead in supply socket, this first signal acquisition portion comprises: for be plugged to this supply socket power plug, be electrically connected this power plug and Power convert for this supply socket being transmitted becomes the electric power of DC signal to isolate change-over circuit and is electrically connected this electric power isolation change-over circuit and is set to go out the resonant circuit of the frequency of this electric wave signal in this DC signal by resonance;
Secondary signal acquisition portion, capture this electric wave signal by metal car shell, this secondary signal acquisition portion comprises: the magnet iron piece of magnetic on this metal car shell and around this magnet iron piece and for electric current induction and carry out by the setting of the inductance value of coil the coil groups that resonance goes out the frequency of this electric wave signal; And
First switching part, be electrically connected this first signal acquisition portion and this secondary signal acquisition portion, for the setting according to outside, one of them optionally switching to by both this coil groups in this resonant circuit in this first signal acquisition portion and this secondary signal acquisition portion exports this captured electric wave signal; And
Signal processing module, is electrically connected this first switching part, for being opened up this received electric wave signal frequently, increasing intensity to be adjusted to this signal being provided to this transceiver.
4. electric wave signal receiving system as claimed in claim 3, it is characterized in that, this signal acquisition module also comprises:
3rd signal acquisition portion, captures this electric wave signal by the electric lead in vehicle-used cigarette lighter; And
Second switching part, be electrically connected between this electric power isolation change-over circuit and this resonant circuit and be also electrically connected the 3rd signal acquisition portion simultaneously, for the setting according to outside, optionally switch to and isolate one of them of both change-over circuit and the 3rd signal acquisition portion by this electric power in this first signal acquisition portion and export this captured electric wave signal.
5. electric wave signal receiving system as claimed in claim 4, it is characterized in that, this signal processing module comprises:
Bandwidth adjusts match circuit, is electrically connected this first switching part, for expanding the frequency of this received electric wave signal;
Gain amplifying circuit, is electrically connected this bandwidth and adjusts match circuit, maintains in preset range for making the signal amplitude of this electric wave signal; And
Standing wave adjusts match circuit, is electrically connected between this gain amplifying circuit and this receiver, to produce this signal according to this electric wave signal, and for this signal of transmission of preventing to impedance mismatch during this receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210444595.0A CN103812514B (en) | 2012-11-08 | 2012-11-08 | Electric wave signal receiving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210444595.0A CN103812514B (en) | 2012-11-08 | 2012-11-08 | Electric wave signal receiving system |
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| CN103812514A CN103812514A (en) | 2014-05-21 |
| CN103812514B true CN103812514B (en) | 2015-11-18 |
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| CN201210444595.0A Expired - Fee Related CN103812514B (en) | 2012-11-08 | 2012-11-08 | Electric wave signal receiving system |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1885615A (en) * | 2005-06-20 | 2006-12-27 | 株式会社电装 | Antenna coil, resonant antenna having antenna coil, and card type wireless device having resonant antenna |
| CN203119884U (en) * | 2012-11-08 | 2013-08-07 | 亿昶祥工业股份有限公司 | Electric wave signal receiving system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8324759B2 (en) * | 2008-09-27 | 2012-12-04 | Witricity Corporation | Wireless energy transfer using magnetic materials to shape field and reduce loss |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1885615A (en) * | 2005-06-20 | 2006-12-27 | 株式会社电装 | Antenna coil, resonant antenna having antenna coil, and card type wireless device having resonant antenna |
| CN203119884U (en) * | 2012-11-08 | 2013-08-07 | 亿昶祥工业股份有限公司 | Electric wave signal receiving system |
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| CN103812514A (en) | 2014-05-21 |
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