CN206728025U - Novel C ATV optical fiber and digital television reception thermomechanical components - Google Patents
Novel C ATV optical fiber and digital television reception thermomechanical components Download PDFInfo
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- CN206728025U CN206728025U CN201720494356.4U CN201720494356U CN206728025U CN 206728025 U CN206728025 U CN 206728025U CN 201720494356 U CN201720494356 U CN 201720494356U CN 206728025 U CN206728025 U CN 206728025U
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Abstract
The utility model provides a kind of novel C ATV optical fiber and digitals television reception thermomechanical components, including box body and the photoreceiver component and master control circuit board that are arranged at tray interior；Photoreceiver component includes photodetector, input signal amplifier, microprocessor, equalization filter and output signal amplifier；The optical signal that photodetector position is transferred to by optical fiber is changed into electric signal, and it is sent to input signal amplifier and carries out signal enhanced processing, electric signal transmission after the completion of processing is filtered processing at equalization filter, and output signal amplifier position is transferred to after the completion of processing and carries out signal amplification again；Box body rear end offers HDMI signal inputs, AV signal inputs and power supply connector；Each part of the design, which is shared out the work and help one another, allows this equipment to reach faster signaling rate, and has good sensitivity, ensures enough bandwidth.
Description
[technical field]
Photoreceiver component technology field is the utility model is related to, more particularly to a kind of structure design is reliable, good appearance
And the novel C ATV optical fiber and digital television reception thermomechanical components of perfect in shape and function.
[background technology]
In recent years, Fibre Optical Communication Technology had obtained quick development, in fiber optic communication systems, photoreceiver (Optical
Receiver task) is with the additional noise of minimum and distortion, is recovered after optical fiber transmission as the information entrained by light carrier,
Therefore the output characteristics concentrated expression performance of whole optical fiber telecommunications system of photoreceiver.The optical signal warp of optical sender transmitting
After transmission, not only amplitude fading, and also broadening, the effect of photoreceiver are exactly to detect by the micro- of transmission to impulse waveform
Low light signals, and amplify, shaping, the former transmission signal of regeneration.
Photodetector main function in photoreceiver is that optical signal is changed into electric signal using photoelectric effect.In light
In communication system, the requirement to photodetector is high sensitivity, response is fast, noise is small, cost is low and reliability is high.Photoelectricity is examined
The general principle of survey process is light absorbs.The photoelectric detector commonly used in optical communication system is PIN photodiode and snowslide
Diode (APD), the performance comparision of two kinds of detectors：Because the PIN of same performance is compared with APD, PIN price is cheap,
And PIN noise is low, digital television techniques have obtained quick development at present, and occur using CATV optical fiber technologies
Digital television receiver, however, the receiver function occurred on Vehicles Collected from Market, configuration aspects can not still meet to actually use
Demand, how perfect performance is carried out, be the problem of those skilled in the art often considers.
Based on this, those skilled in the art has carried out substantial amounts of research and development and experiment, and achieves preferable achievement.
[utility model content]
To overcome the problems of prior art, the utility model provide a kind of reliable structure design, good appearance and
The novel C ATV optical fiber and digital television reception thermomechanical components of perfect in shape and function.
The scheme that the utility model solves technical problem is to provide a kind of novel C ATV optical fiber and digitals television reception thermomechanical components,
Including box body and it is arranged at the photoreceiver component and master control circuit board of tray interior；The photoreceiver component includes
Photodetector, input signal amplifier, microprocessor, equalization filter and output signal amplifier；It is the photodetector, defeated
Enter signal amplifier, equalization filter and output signal amplifier and microprocessor is electrically connected with, and the output signal
The master control circuit board of amplifier and tray interior is electrically connected with；The input of photodetector passes through optical fiber and outside optical sender
It is electrically connected with, the optical signal that photodetector position is transferred to by optical fiber is changed into electric signal, and is sent to input signal amplification
Device carries out signal enhanced processing, and the electric signal transmission after the completion of processing is filtered processing at equalization filter, and processing is completed
After be transferred to output signal amplifier position and carry out signal amplification again；MSD7T01 master is provided with the master control circuit board
Chip and MXL608 tuning chips are controlled, and HDMI signal inputs, AV signal inputs and power supply are offered in box body rear end
Connector；The HDMI signal inputs and AV signal inputs are electrically connected with the MSD7T01 main control chips；MSD7T01
Main control chip is electrically connected with MXL608 tuning chips；The cartridge upper surface is provided with several control buttons, and in box body
Front sets the signal lamp being electrically connected with master control circuit board.
Preferably, the URAT data transfers that the box body rear end is additionally provided with for carrying out data transmission with external equipment connect
Interface.
Preferably, the photoreceiver component also includes being electrically connected with microprocessor, exports electric signal width for controlling
Spend horizontal automatic gain control unit；And the scope of the light path automatic gain control of the automatic gain control unit is 10dBm.
Preferably, also it is electrically connected between the photodetector and input signal amplifier for carrying out energy distribution
Coupler；Optical signal is changed into electric signal through photodetector, and input signal amplifier is inputted after coupler carries out signal coupling.
Preferably, the wave-length coverage of the photodetector detection outside input light is 1100-1600nm.
Preferably, a kind of novel C ATV optical fiber and digital television receptions thermomechanical components also include being arranged at dissipating for tray interior
Hot-air fan, the radiator fan is fixedly installed on above master control circuit board, and is offered respectively in two sides of the box body
Thermal vias；Radiator fan is electrically connected with master control circuit board.
Preferably, box body periphery ring-type is provided with the color LED flash lamp being electrically connected with master control circuit board.
Preferably, the box body bottom is provided with the suction nozzle for holding external object surface, and in the box body bottom
Four diagonal angles are separately provided for adjusting the height regulating rod of box body height.
Compared with prior art, a kind of novel C ATV optical fiber and digitals television reception thermomechanical components of the utility model pass through in box body
Middle setting includes the light of photodetector, input signal amplifier, microprocessor, equalization filter and output signal amplifier
Receiver module and master control circuit board, in actual use, the input of photodetector receive external optical signals, and by light
Signal is changed into electric signal, and is sent to input signal amplifier and carries out signal enhanced processing, and the electric signal after the completion of processing passes
It is defeated that processing is filtered at equalization filter, output signal amplifier position is transferred to after the completion of processing carries out signal again and put
Greatly, equalization filter effectively can carry out shaping and compensation, input signal amplifier for distortion digit pulse to keep
The electric signal of detection amplifies and ensures noise minimum without distortion, and each part, which is shared out the work and help one another, allows this equipment to reach faster
Signaling rate, and there is good sensitivity, ensure enough bandwidth.
[brief description of the drawings]
Fig. 1 is the stereoscopic-state structural representation of the utility model novel C ATV optical fiber and digital television reception thermomechanical components.
Fig. 2 is the internal state structural representation of the utility model novel C ATV optical fiber and digital television reception thermomechanical components.
Fig. 3 is the stereoscopic-state structure at another visual angle of the utility model novel C ATV optical fiber and digital television reception thermomechanical components
Schematic diagram.
[embodiment]
To make the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with drawings and Examples,
The utility model is further elaborated.It should be appreciated that specific embodiment described herein is used only for explaining this
Utility model, it is not used to limit this utility model.
Fig. 1 to Fig. 3 is referred to, a kind of novel C ATV optical fiber and digitals television reception thermomechanical components 1 of the utility model include box body
11 and the photoreceiver component 13 and master control circuit board 14 that are arranged inside box body 11；The photoreceiver component 13 wraps
Include photodetector, input signal amplifier, microprocessor, equalization filter and output signal amplifier；The photodetector,
Input signal amplifier, equalization filter and output signal amplifier and microprocessor are electrically connected with, and the output letter
Number amplifier is electrically connected with the master control circuit board 14 inside box body 11；The input of photodetector passes through optical fiber and exterior light
Emitter is electrically connected with, and the optical signal that photodetector position is transferred to by optical fiber is changed into electric signal, and is sent to input letter
Number amplifier carries out signal enhanced processing, and the electric signal transmission after the completion of processing is filtered processing to equalization filter at, place
Output signal amplifier position is transferred to after the completion of reason and carries out signal amplification again；It is provided with the master control circuit board 14
MSD7T01 main control chips and MXL608 tuning chips, and HDMI signal inputs, the input of AV signals are offered in the rear end of box body 11
Mouth and power supply connector 114；The HDMI signal inputs 113 and AV signal inputs and the MSD7T01 main control chips
It is electrically connected with；MSD7T01 main control chips are electrically connected with MXL608 tuning chips；The upper surface of box body 11 is provided with several
Control button 111, and the signal lamp 112 being electrically connected with master control circuit board 14 is set in the front of box body 11.
By in box body 11 set include photodetector, input signal amplifier, microprocessor, equalization filter with
And the photoreceiver component 13 and master control circuit board 14 of output signal amplifier, in actual use, photodetector it is defeated
Enter end and receive external optical signals, and convert light signals into electric signal, and be sent to input signal amplifier and carry out signal amplification
Processing, the electric signal transmission after the completion of processing are filtered processing at equalization filter, and output letter is transferred to after the completion of processing
Number amplifier position carries out signal amplification again, and equalization filter effectively can carry out shaping and benefit for distortion digit pulse
Repay, input signal amplifier can keep the electric signal of detection to amplify without distortion and ensure noise minimum, and each part division of labor is closed
Work allows this equipment to reach faster signaling rate, and has good sensitivity, ensures enough bandwidth.
Preferably, the rear end of box body 11 is additionally provided with the URAT data transfers for carrying out data transmission with external equipment
Connector 113.Data exchange is carried out with outside using the URAT data transfers connector 113 for being built-in with MCU.
Preferably, the photoreceiver component 13 also includes being electrically connected with microprocessor, exports electric signal for controlling
The automatic gain control unit of amplification level；And the scope of the light path automatic gain control of the automatic gain control unit is
10dBm.Be advantageous to the reliable and stable of signal transmission.
Preferably, also it is electrically connected between the photodetector and input signal amplifier for carrying out energy distribution
Coupler；Optical signal is changed into electric signal through photodetector, and input signal amplifier is inputted after coupler carries out signal coupling.
Preferably, the wave-length coverage of the photodetector detection outside input light is 1100-1600nm.
Preferably, a kind of novel C ATV optical fiber and digital television receptions thermomechanical components 1 also include being arranged inside box body 11
Radiator fan, the radiator fan is fixedly installed on the top of master control circuit board 14, and in two sides of the box body 11 point
Thermal vias is not offered；Radiator fan is electrically connected with master control circuit board 14.It is reasonable in design, be advantageous to improve product
Service life.
Preferably, the periphery ring-type of box body 11 is provided with the color LED being electrically connected with master control circuit board 14 and glistened
Lamp.Strengthen the aesthetics of product.
Preferably, the bottom of box body 11 is provided with the suction nozzle for holding external object surface, and in the box body 11
The diagonal angle of bottom four is separately provided for adjusting the height regulating rod of box body height.
Compared with prior art, a kind of novel C ATV optical fiber and digitals television reception thermomechanical components 1 of the utility model are by box
Set in body 11 and include photodetector, input signal amplifier, microprocessor, equalization filter and output signal amplifier
Photoreceiver component 13 and master control circuit board 14, in actual use, the input of photodetector receives ambient light letter
Number, and electric signal is converted light signals into, and be sent to input signal amplifier and carry out signal enhanced processing, after the completion of processing
Electric signal transmission is filtered processing at equalization filter, and output signal amplifier position is transferred to after the completion of processing and is entered again
Row signal amplifies, and equalization filter effectively can carry out shaping and compensation, input signal amplifier for distortion digit pulse
The electric signal of detection can be kept to amplify without distortion and ensure noise minimum, each part, which is shared out the work and help one another, allows this equipment to reach
To faster signaling rate, and there is good sensitivity, ensure enough bandwidth.
Above-described the utility model embodiment, does not form the restriction to scope of protection of the utility model.It is any
Made within spirit of the present utility model and principle modifications, equivalent substitutions and improvements etc., should be included in the utility model
Claims within.
Claims (8)
- A kind of 1. novel C ATV optical fiber and digitals television reception thermomechanical components, it is characterised in that：Including box body and it is arranged in box body The photoreceiver component and master control circuit board in portion；The photoreceiver component include photodetector, input signal amplifier, Microprocessor, equalization filter and output signal amplifier；The photodetector, input signal amplifier, equalization filter And output signal amplifier is electrically connected with microprocessor, and the main control of the output signal amplifier and tray interior Circuit board is electrically connected with；The input of photodetector is electrically connected with by optical fiber and outside optical sender, is transferred to by optical fiber The optical signal at photodetector position is changed into electric signal, and is sent to input signal amplifier and carries out signal enhanced processing, processing After the completion of electric signal transmission processing is filtered at equalization filter, output signal amplifier portion is transferred to after the completion of processing Position carries out signal amplification again；MSD7T01 main control chips and MXL608 tuning chips are provided with the master control circuit board, and HDMI signal inputs, AV signal inputs and power supply connector are offered in box body rear end；The HDMI signal inputs It is electrically connected with AV signal inputs and the MSD7T01 main control chips；MSD7T01 main control chips and MXL608 tuning chips electricity Property connection；The cartridge upper surface is provided with several control buttons, and electrical with master control circuit board in the setting of box body front The signal lamp of connection.
- A kind of 2. novel C ATV optical fiber and digitals television reception thermomechanical components as claimed in claim 1, it is characterised in that：The box body Rear end is additionally provided with the URAT data transfer connectors for carrying out data transmission with external equipment.
- A kind of 3. novel C ATV optical fiber and digitals television reception thermomechanical components as claimed in claim 1, it is characterised in that：The light connects Receiving thermomechanical components also includes being electrically connected with microprocessor, exports the horizontal automatic growth control list of electrical signal amplitude for controlling Member；And the scope of the light path automatic gain control of the automatic gain control unit is 10dBm.
- A kind of 4. novel C ATV optical fiber and digitals television reception thermomechanical components as described in claim 1 or 3, it is characterised in that：Institute State the coupler being also electrically connected between photodetector and input signal amplifier for carrying out energy distribution；Optical signal is through light Detector is changed into electric signal, and input signal amplifier is inputted after coupler carries out signal coupling.
- A kind of 5. novel C ATV optical fiber and digitals television reception thermomechanical components as claimed in claim 1, it is characterised in that：The light inspection The wave-length coverage for surveying device detection outside input light is 1100-1600nm.
- A kind of 6. novel C ATV optical fiber and digitals television reception thermomechanical components as claimed in claim 1, it is characterised in that：Also include setting The radiator fan of tray interior is placed in, the radiator fan is fixedly installed on above master control circuit board, and in the box body Two sides offer thermal vias respectively；Radiator fan is electrically connected with master control circuit board.
- A kind of 7. novel C ATV optical fiber and digitals television reception thermomechanical components as described in claim 1 or 6, it is characterised in that：It is described Box body periphery ring-type is provided with the color LED flash lamp being electrically connected with master control circuit board.
- A kind of 8. novel C ATV optical fiber and digitals television reception thermomechanical components as claimed in claim 1, it is characterised in that：The box body Bottom is provided with the suction nozzle for holding external object surface, and is separately provided in described four diagonal angles in box body bottom Adjust the height regulating rod of box body height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720494356.4U CN206728025U (en) | 2017-05-05 | 2017-05-05 | Novel C ATV optical fiber and digital television reception thermomechanical components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720494356.4U CN206728025U (en) | 2017-05-05 | 2017-05-05 | Novel C ATV optical fiber and digital television reception thermomechanical components |
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| Publication Number | Publication Date |
|---|---|
| CN206728025U true CN206728025U (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720494356.4U Expired - Fee Related CN206728025U (en) | 2017-05-05 | 2017-05-05 | Novel C ATV optical fiber and digital television reception thermomechanical components |
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| Country | Link |
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| CN (1) | CN206728025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972892A (en) * | 2017-05-05 | 2017-07-21 | 深圳市凯利华电子有限公司 | A kind of novel C ATV optical fiber and digitals television reception thermomechanical components |
-
2017
- 2017-05-05 CN CN201720494356.4U patent/CN206728025U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972892A (en) * | 2017-05-05 | 2017-07-21 | 深圳市凯利华电子有限公司 | A kind of novel C ATV optical fiber and digitals television reception thermomechanical components |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| 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: 20171208 Termination date: 20200505 |