CN201122964Y - Carrier signal coupler - Google Patents
Carrier signal coupler Download PDFInfo
- Publication number
- CN201122964Y CN201122964Y CNU2007201903010U CN200720190301U CN201122964Y CN 201122964 Y CN201122964 Y CN 201122964Y CN U2007201903010 U CNU2007201903010 U CN U2007201903010U CN 200720190301 U CN200720190301 U CN 200720190301U CN 201122964 Y CN201122964 Y CN 201122964Y
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- China
- Prior art keywords
- connects
- circuit
- carrier signal
- microprocessor
- signal coupler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Abstract
The utility model relates to a coupler, in particular to a carrier signal coupler. The structure comprises a main machine and gate machines, and the main machine is connected with at least one gate machine though an illuminating power source circuit. Compared with the prior art, the carrier signal coupler has the advantages of reasonable design, simple structure, low manufacture cost and strong signal transmitting capacity.
Description
Technical field
The utility model relates to a kind of coupler, and a kind of carrier signal coupler specifically is provided.
Background technology
In the power line under the prior art, the problem of transmission carrier signal is: poor anti jamming capability, transmission signals is poor, and can only carry out intercommunication function one to one, and the unlocking function of picture building talkback can not be provided.
Summary of the invention
The utility model is at above deficiency, and a kind of reasonable in design, simple in structure, cost of manufacture is low, signal transmission capabilities is strong carrier signal coupler is provided.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of carrier signal coupler comprises main frame and doorway machine, and described main frame connects at least one doorway machine by the mains lighting supply circuit.
Described main frame comprises microprocessor, described microprocessor connects transformer by the power filter shaping circuit, and connect the carrier wave decoding chip by the receiving code amplification and rectification circuit, described carrier wave decoding chip connects the reception buffer circuit by the amplifying signal circuit, and described microprocessor also produces circuit by carrier frequency and connects the emission buffer circuit.
Described receiving code amplification and rectification circuit comprises triode Q11 and Q12, and the emitter of described triode Q12 connects the collector electrode of triode Q11.
Described microprocessor is connected with loudspeaker by power amplifier.
Described microprocessor produces circuit by carrier frequency and connects microphone.
Described doorway machine comprises microprocessor, and described microprocessor connects the carrier wave decoding chip by the receiving code amplification and rectification circuit, and described carrier wave decoding chip connects the amplifying signal circuit, and described microprocessor also produces circuit by carrier frequency and connects power amplification circuit.
Described receiving code amplification and rectification circuit comprises triode Q11 and Q12, and the emitter of described triode Q12 connects the collector electrode of triode Q11.
Microprocessor produces circuit by carrier frequency and connects microphone.
Power amplification circuit comprises chip U2, and described chip U2 one end connects microprocessor, and an end connects loudspeaker.
A kind of carrier signal coupler of the present utility model has changed the low knotty problem of power line transmission carrier signal sensitivity, has improved the shortcoming of original this type of product safety performance difference.Can realize the indoor set (indoor set can expand to 99) of a doorway machine calling 1-99 platform independent, every equal may command off-premises station of indoor set is unblanked simultaneously.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a kind of circuit theory diagrams of main frame of carrier signal coupler;
Fig. 2 is a kind of circuit theory diagrams of doorway machine of carrier signal coupler.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as to qualification of the present utility model.
Provide a most preferred embodiment below:
A kind of carrier signal coupler comprises main frame and doorway machine, and described main frame connects at least one doorway machine by the mains lighting supply circuit.
As shown in Figure 1, described main frame comprises microprocessor U5, described microprocessor U5 connects transformer T1 by power filter shaping circuit (being made of electronic components such as chip U7), and connect carrier wave decoding chip (mainly constituting) by chip U3 by the receiving code amplification and rectification circuit, described carrier wave decoding chip connects reception buffer circuit (mainly being made of transformer T5) by amplifying signal circuit (mainly being made of chip U4), and described microprocessor U5 also produces circuit (mainly comprising chip U1 and U3) by carrier frequency and is connected emission buffer circuit (mainly being made of transformer T2).
Described receiving code amplification and rectification circuit comprises triode Q11 and Q12, and the emitter of described triode Q12 connects the collector electrode of triode Q11.
Described microprocessor U5 is connected with loudspeaker SPK1 by power amplifier (mainly being made of chip U2).
Described microprocessor U5 produces circuit by carrier frequency and connects microphone MIC2.
As shown in Figure 2, described doorway machine comprises microprocessor U5, described microprocessor U5 connects carrier wave decoding chip (mainly being made of chip U3) by receiving code amplification and rectification circuit (being made of electronic components such as chip U7), described carrier wave decoding chip connects amplifying signal circuit (mainly being made of chip U4), and described microprocessor U5 also produces circuit (mainly comprising chip U1 and U3) by carrier frequency and is connected power amplification circuit (mainly being made of chip U2).
Described receiving code amplification and rectification circuit comprises triode Q11 and Q12, and the emitter of described triode Q12 connects the collector electrode of triode Q11.
Microprocessor U5 produces circuit by carrier frequency and connects microphone SPK1.
Power amplification circuit comprises chip U2, and described chip U2 one end connects microprocessor U5, and an end connects loudspeaker MIC2.
Above-described embodiment, the utility model embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacing all should be included in the protection range of the present utility model.
Claims (9)
1. a carrier signal coupler comprises main frame and doorway machine, it is characterized in that, described main frame connects at least one doorway machine by the mains lighting supply circuit.
2. a kind of carrier signal coupler according to claim 1, it is characterized in that, described main frame comprises microprocessor, described microprocessor connects transformer by the power filter shaping circuit, and connect the carrier wave decoding chip by the receiving code amplification and rectification circuit, described carrier wave decoding chip connects the reception buffer circuit by the amplifying signal circuit, and described microprocessor also produces circuit by carrier frequency and connects the emission buffer circuit.
3. a kind of carrier signal coupler according to claim 2 is characterized in that described receiving code amplification and rectification circuit comprises triode Q11 and Q12, and the emitter of described triode Q12 connects the collector electrode of triode Q11.
4. a kind of carrier signal coupler according to claim 2 is characterized in that described microprocessor is connected with loudspeaker by power amplifier.
5. a kind of carrier signal coupler according to claim 2 is characterized in that, described microprocessor produces circuit by carrier frequency and connects microphone.
6. a kind of carrier signal coupler according to claim 1, it is characterized in that, described doorway machine comprises microprocessor, described microprocessor connects the carrier wave decoding chip by the receiving code amplification and rectification circuit, described carrier wave decoding chip connects the amplifying signal circuit, and described microprocessor also produces circuit by carrier frequency and connects power amplification circuit.
7. a kind of carrier signal coupler according to claim 6 is characterized in that described receiving code amplification and rectification circuit comprises triode Q11 and Q12, and the emitter of described triode Q12 connects the collector electrode of triode Q11.
8. a kind of carrier signal coupler according to claim 6 is characterized in that, described microprocessor produces circuit by carrier frequency and connects microphone.
9. a kind of carrier signal coupler according to claim 6 is characterized in that described power amplification circuit comprises chip U2, and described chip U2 one end connects microprocessor, and an end connects loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201903010U CN201122964Y (en) | 2007-11-21 | 2007-11-21 | Carrier signal coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201903010U CN201122964Y (en) | 2007-11-21 | 2007-11-21 | Carrier signal coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201122964Y true CN201122964Y (en) | 2008-09-24 |
Family
ID=40010205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201903010U Expired - Fee Related CN201122964Y (en) | 2007-11-21 | 2007-11-21 | Carrier signal coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201122964Y (en) |
-
2007
- 2007-11-21 CN CNU2007201903010U patent/CN201122964Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080924 Termination date: 20091221 |