CN207490931U - Optical pickup apparatus and its optical communication system - Google Patents
Optical pickup apparatus and its optical communication system Download PDFInfo
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- CN207490931U CN207490931U CN201721420876.7U CN201721420876U CN207490931U CN 207490931 U CN207490931 U CN 207490931U CN 201721420876 U CN201721420876 U CN 201721420876U CN 207490931 U CN207490931 U CN 207490931U
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- signal
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- receiving circuit
- pickup apparatus
- communication system
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Abstract
A kind of optical communication system includes a light emitting devices and an optical pickup apparatus.Light emitting devices emits an optical signal, and optical signal has a coded data.Optical pickup apparatus includes an optical receiver and a microcontroller.Optical receiver has a light emitting diode construction, and optical receiver receives and transmitting photo-signal is an electric signal.Microcontroller includes a receiving circuit and an analog conversion circuit.Receiving circuit is electrically connected with optical receiver, and receiving circuit receives the electric signal from optical receiver in a frequency reception range, and signal is received to generate one.Analog conversion circuit is electrically connected with receiving circuit, and analog conversion circuit receives and converted received signal is a digital signal, and digital signal includes coded data.
Description
【Technical field】
The utility model is related a kind of optical pickup apparatus and its optical communication system, it is particularly a kind of by optical receiver with it is micro-
The optical pickup apparatus and its optical communication system of controller separation encapsulation.
【Background technology】
In general, optical communication system is by the use of a luminescence component as an optical transmitting set, and made using a photosensory assembly
For an optical receiver, to transmit the optical signal with coded data, can arrange in pairs or groups different carrier frequency and coding mode, realize nothing
Line transmits the purpose of signal.
Common photosensory assembly, such as：Photodiode (Photo-Diode), can receive optical signal, and be converted
For electric signal, only this electric signal is faint voltage or current signal, need to first pass through the processing of amplifying circuit, then export a reception
Signal.Since photodiode is built-in amplifying circuit in itself, monovalent cost is higher, and the light-receiving frequency of photodiode
Rate range is relatively narrow, and specific carriers frequency range is limited on using, inconvenient.
In conclusion the optical pickup apparatus for providing receives frequency wider range is the target that current pole need to make great efforts.
【Utility model content】
The utility model provides a kind of optical pickup apparatus and its optical communication system, is connect by the use of light emitting diode as light
Device is received, and adjusts, amplify, filter the electric signal from optical receiver by the microcontroller of setting disconnected from each other.Therefore, make
User can freely match different microcontroller and optical receiver according to design requirement, to increase the carrier wave frequency range of optical pickup apparatus
Use scope and circuit design elasticity.
The optical communication system of one embodiment of the utility model includes a light emitting devices and an optical pickup apparatus.Light emitting
Device emits an optical signal, and optical signal has a coded data.Optical pickup apparatus includes an optical receiver and a microcontroller.
Optical receiver has a light emitting diode construction, and optical receiver receives and transmitting photo-signal is an electric signal.Microcontroller packet
Containing a receiving circuit and an analog conversion circuit.Receiving circuit is electrically connected with optical receiver, and receiving circuit is in a frequency
The electric signal from optical receiver is received in range of receiving, signal is received to generate one.Analog conversion circuit and receiving circuit electricity
Property connection, and analog conversion circuit receive and converted received signal be a digital signal, and digital signal include coded data.
Below by the appended schema elaborate of specific embodiment cooperation, when the mesh for being easier to understand the utility model
, technology contents, feature and its it is reached the effect of.
【Description of the drawings】
Fig. 1 is a schematic diagram, shows the optical communication system of one embodiment of the utility model.
Fig. 2 is a schematic diagram, shows the optical communication system of another embodiment of the utility model.
Fig. 3 is a schematic diagram, shows the microcontroller of one embodiment of the utility model.
【Symbol description】
10 light emitting devices
20 optical receivers
30 microcontrollers
31 receiving circuits
311 changeable reception units
312 signal adjustment units
32 analog conversion circuits
33 can program setting unit
A electric signals
D digital signals
E setup parameters
L optical signals
R receives signal
【Specific embodiment】
It will be described each embodiment of the utility model below, and coordinate schema as illustration.In addition to it is described in detail in these
Outside, the utility model also can be widely performed in other embodiments, the replacement easily of any embodiment, modification, etc.
Effect variation is included in the scope of the utility model, and be subject to claim.In the description of specification, in order to make
Reader has the utility model more complete understanding, provides many specific details；However, the utility model may be in omission portion
Point or whole specific detail under the premise of, can still implement.Moreover, it is well known that the step of or component be not described in details,
To avoid forming unnecessary limitation to the utility model.Same or similar component will be come with same or like symbol in schema
It represents.It is specifically intended that schema is only to illustrate to be used, not the size or quantity of proxy component reality, some details may
It does not draw completely, in the hope of the succinct of schema.
Fig. 1 is please referred to, the optical communication system of an embodiment of the utility model includes a light emitting devices 10 and a light
Reception device.Light emitting devices 10 emits an optical signal L, and optical signal has a coded data.For example, light emitting devices 10
Can be a light-emitting diode component, as shown in Figure 2.In addition, the either light of the different wave lengths such as infrared light, visible ray or ultraviolet light
Line can be used as optical signal L, and but not limited to this.
Optical pickup apparatus includes an optical receiver 20 and a microcontroller 30.Need expositor, optical receiver 20 and micro-control
Device 30 processed is different packaging, that is, optical receiver 20 itself does not include amplifying circuit, but passes through setting disconnected from each other
Microcontroller 30 adjust, amplify, filter the electric signal A that optical receiver 20 exported.Whereby, user can need according to design
It asks, freely matches different optical receivers 20 and microcontroller 30, operation principle illustrates after holding.
Optical receiver 20 receives and transmitting photo-signal L is an electric signal A.It shines it should be noted that the utility model is selected
Diode assembly is as optical receiver, that is, optical receiver 20 has a light emitting diode construction rather than photoelectric diode structure,
This is because the PN junction energy gap characteristics of light-emitting diode component can generate photoelectric effect, in short distance optical transport, can will connect
The optical signal received is converted to electric signal.Also, the photoelectric effect bandwidth of operation of light-emitting diode component is typically much deeper than photoelectricity
Diode assembly, therefore, the optical receiver with light emitting diode construction can increase its carrier wave frequency range use scope.Change speech
It, the utility model can utilize the electrical characteristic of light-emitting diode component to do short-range optic communication transmission or switch detection, but
It is not limited.
Microcontroller 30 includes a receiving circuit 31 and an analog conversion circuit 32.Supplementary explanation, receiving circuit
31 and analog conversion circuit 32 be to be packaged in together in microcontroller 30, and be separated from each other with optical receiver 20 and be set to difference
Packaging.Therefore, user can freely match different optical receivers 20 and microcontroller 30 according to design requirement, to increase
Power up road design flexibility.
Receiving circuit 31 is electrically connected with optical receiver 20, is primarily used to read external light-emitting component (i.e. light
Receiver 20) weak current or voltage that are exported.In addition, receiving circuit 31 is to be received in a frequency reception range from light
The electric signal A of receiver 20, and generate one and receive signal R.
For example, receiving circuit 31 can be a transistor；Or, receiving circuit 31 can be to include the one of resistance and capacitance
RC circuits, but not limited to this.
Analog conversion circuit 32 is electrically connected with receiving circuit 31, and analog conversion circuit 32 receives and converted received signal
R is a digital signal D, and digital signal D includes coded data, for the reading and use of back segment circuit.In an embodiment,
Analog conversion circuit more may include an amplifying unit, and amplifying unit, by amplifier digital signal, but not limited to this.
Fig. 2 is please referred to, in an embodiment, receiving circuit 31 is a changeable reception circuit.For example, receiving circuit 31
A variable RC circuit, it includes a variable resistance and a variable capacitance at least one, but not limited to this.In another
In embodiment, microcontroller 30 further include one can program setting unit 33 be electrically connected with receiving circuit 31, and can program setting
Unit 33 causes frequency of the receiving circuit 31 according to setup parameter E adjustment receiving circuits 31 for one setup parameter E of user's control
Range of receiving.Also that is, can the collocation of program setting unit 33 and changeable reception circuit use, you can microcontroller is adjusted by user
Carrier wave frequency range use scope, convenient for the optical receiver 20 for the different electrical characteristics of arranging in pairs or groups.Whereby, user can pass through microcontroller
30 can program setting unit 33 freely match different optical receivers 20, according to design requirement, to increase optical pickup apparatus
Carrier wave frequency range use scope, and component lower-cost optical receiver 20 can be selected, while have the advantages that a variety of.
Fig. 3 is please referred to, in another embodiment, microcontroller 30 includes a receiving circuit 31, an analog conversion circuit 32
And one can program setting unit 33.Wherein, analog conversion circuit 32 is including but not limited to a comparator, and receiving circuit 31 is wrapped
Containing a changeable reception unit 311 and a signal adjustment unit 312.Signal adjustment unit 312 and changeable reception unit 311, can
Program setting unit 33 and analog conversion circuit 32 are electrically connected, and signal adjustment unit 312 can optimize electric signal A or connect
The signal quality of collection of letters R, for example, although changeable reception unit 311 has the function of the trap signal of degree slightly, but still
Partial noise can not be filtered out, therefore, in an embodiment, signal adjustment unit 312 may include a wave filter, further filter out electricity
The noise of signal A receives signal R to generate；In another embodiment, signal adjustment unit 312 also may include that a reception is amplified
Device receives signal R to amplify caused by changeable reception unit 311, but not limited to this.
Summary, the optical pickup apparatus and its optical communication system of the utility model, be by the use of light emitting diode as
Optical receiver, and the electric signal that optical receiver is exported is handled by the microcontroller of setting disconnected from each other.Wherein, luminous two
The photoelectric effect characteristic of pole pipe component can increase the carrier wave frequency range use scope of optical receiver, in addition, microcontroller 30 with
Optical receiver 20, which is separated from each other, is set to different packagings, is available for users to according to design requirement, freely matches different micro-
Controller and optical receiver.For example, by can program setting unit and changeable reception circuit, user can adjust the load of microcontroller
Wave frequency section use scope convenient for the optical receiver for different electrical characteristics of arranging in pairs or groups, selects component lower-cost according to design requirement
Optical receiver, while increase the carrier wave frequency range use scope of optical pickup apparatus, have the advantages that a variety of as aforementioned.
Embodiment described above is only the technological thought and feature to illustrate the utility model, and purpose makes to be familiar with this
The personage of item skill can understand the content of the utility model and implement according to this, when the patent that the utility model cannot be limited with this
Range, i.e., the equivalent change made generally according to the revealed spirit of the utility model or modification, should cover in the utility model
The scope of the claims in.
Claims (16)
1. a kind of optical communication system, which is characterized in that include：
One light emitting devices, to emit an optical signal, which has a coded data；And
One optical pickup apparatus, comprising：
One optical receiver has a light emitting diode construction, to receive and convert the optical signal as an electric signal；And
One microcontroller, comprising：
One receiving circuit is electrically connected with the optical receiver, to be received in a frequency reception range from the optical receiver
The electric signal, with generate one receive signal；And
One analog conversion circuit is electrically connected with the receiving circuit, to receive and convert the reception signal as a digital signal,
And the digital signal includes the coded data.
2. optical communication system as described in claim 1, which is characterized in that the receiving circuit is a changeable reception circuit, and should
Microcontroller further includes：
One can program setting unit, with the receiving circuit be electrically connected, with for user control a setup parameter；Wherein this connects
Receive the frequency reception range that circuit adjusts the receiving circuit according to the setup parameter.
3. optical communication system as described in claim 1, which is characterized in that the receiving circuit can comprising a variable resistance and one
Become capacitance at least one.
4. optical communication system as described in claim 1, which is characterized in that the receiving circuit includes a transistor.
5. optical communication system as described in claim 1, which is characterized in that the receiving circuit further includes a signal adjustment unit,
To filter out the noise of the electric signal, to generate the reception signal.
6. optical communication system as described in claim 1, which is characterized in that the receiving circuit further includes a signal adjustment unit,
To amplify the reception signal.
7. optical communication system as described in claim 1, which is characterized in that it is single that the analog conversion circuit further includes a number amplification
Member, to amplify the digital signal.
8. optical communication system as described in claim 1, which is characterized in that the optical receiver is different envelopes from the microcontroller
Fill device.
9. a kind of optical pickup apparatus, to form an optical communication system with a light emitting devices, which is characterized in that the light emitting fills
One optical signal of transmitting is put, which has a coded data, which includes：
One optical receiver has a light emitting diode construction, to receive and convert the optical signal as an electric signal；And
One microcontroller, comprising：
One receiving circuit is electrically connected with the optical receiver, to adjust a frequency of the receiving circuit according to a setup parameter
Range of receiving, and the electric signal from the optical receiver is received in the frequency reception range, receive signal to generate one；With
And
One analog conversion circuit is electrically connected with the receiving circuit, to receive and convert the reception signal as a digital signal,
And the digital signal includes the coded data.
10. optical pickup apparatus as claimed in claim 9, which is characterized in that the receiving circuit is a changeable reception circuit, and should
Microcontroller further includes：
One can program setting unit, with the receiving circuit be electrically connected, with for user control a setup parameter；Wherein this connects
Receive the frequency reception range that circuit adjusts the receiving circuit according to the setup parameter.
11. optical pickup apparatus as claimed in claim 9, which is characterized in that the receiving circuit includes a variable resistance and one
Variable capacitance at least one.
12. optical pickup apparatus as claimed in claim 9, which is characterized in that the receiving circuit includes a transistor.
13. optical pickup apparatus as claimed in claim 9, which is characterized in that the receiving circuit further includes signal adjustment, to
The noise of the electric signal is filtered out, to generate the reception signal.
14. optical pickup apparatus as claimed in claim 9, which is characterized in that the receiving circuit further includes a signal adjustment unit,
To amplify the reception signal.
15. optical pickup apparatus as claimed in claim 9, which is characterized in that the analog conversion circuit further includes an amplifying unit,
To amplify the digital signal.
16. optical pickup apparatus as claimed in claim 9, which is characterized in that the optical receiver is different from the microcontroller
Packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721420876.7U CN207490931U (en) | 2017-10-30 | 2017-10-30 | Optical pickup apparatus and its optical communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721420876.7U CN207490931U (en) | 2017-10-30 | 2017-10-30 | Optical pickup apparatus and its optical communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207490931U true CN207490931U (en) | 2018-06-12 |
Family
ID=62478160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721420876.7U Active CN207490931U (en) | 2017-10-30 | 2017-10-30 | Optical pickup apparatus and its optical communication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207490931U (en) |
-
2017
- 2017-10-30 CN CN201721420876.7U patent/CN207490931U/en active Active
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