CN202172410U - Radio frequency intelligent optical module with keys based on internet of things - Google Patents
Radio frequency intelligent optical module with keys based on internet of things Download PDFInfo
- Publication number
- CN202172410U CN202172410U CN2011203104964U CN201120310496U CN202172410U CN 202172410 U CN202172410 U CN 202172410U CN 2011203104964 U CN2011203104964 U CN 2011203104964U CN 201120310496 U CN201120310496 U CN 201120310496U CN 202172410 U CN202172410 U CN 202172410U
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- internet
- attenuator
- optical module
- circuit
- intelligent optical
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Abstract
The utility model discloses a radio frequency intelligent optical module with keys based on internet of things, comprising a transmitting unit, a control unit and a receiving unit. The transmitting unit comprises an RF processing circuit, a filter, a laser and a wavelength division multiplexer connected orderly, the receiving unit comprises a photoelectric conversion diode, amplification circuits of different stages, a Pi type attenuator, a stepping digital control attenuator and a matching circuit, and the control unit is connected with a key controller. The radio frequency intelligent optical module with the keys based on the internet of things of the utility model has the advantages of intellectualization, high integrated level, small volume, low cost and wide frequency scope.
Description
Technical field
The utility model relates to the radio frequency communication devices field, is specifically related to a kind of radio-frequency intelligent optical module of novel band button controlled function, is particularly useful for the Internet of Things communications field.
Background technology
Internet of Things is meant through various information sensing equipment; Like various devices such as transducer, radio frequency identification (RFID) technology, global positioning system, infrared inductor, laser scanner, gas sensor and technology; Gather in real time anyly need to monitor, connect, interactive object or process; Gather the information of various needs such as its, light, heat, electricity, mechanics, chemistry, biology, position, combine a huge network that forms with the Internet.Its objective is and realize thing and thing, thing and people, all article are connected with network, convenient identification, management and control.
At present, the radio frequency optical module has begun on Internet of Things, to use, but existing radio frequency optical module does not have the button controlled function, and can only be applied in the frequency range below the 2.2GHz, brings inconvenience to practical application.
The utility model content
The problem that the utility model need solve provides that a kind of intellectuality, integrated level are high, volume is little, cost is low, the radio-frequency intelligent optical module based on the band button of Internet of Things of wide frequency range.
The utility model can be realized through following technical scheme: the radio-frequency intelligent optical module that the utility model discloses a kind of band button based on Internet of Things; Comprise transmitter unit, control unit and receiving element, described transmitter unit includes RF treatment circuit, filter, laser and the wavelength division multiplexer that order links to each other; Described receiving element includes opto-electronic conversion diode, one-level amplifying circuit, second amplifying circuit, three-stage amplifier, π type attenuator, stepping numerical-control attenuator and match circuit; Wherein the one-level input amplifier connects the negative electrode of photodiode; Output termination π type attenuator; The input termination π type attenuator of stepping numerical-control attenuator, output connects the input of second amplifying circuit, the output termination match circuit of second amplifying circuit; The input termination match circuit of three-stage amplifier, three-stage amplifier amplifies back output with signal; Described control unit is connected with button controller.
Described RF treatment circuit also is connected with automatic electric-level ALC control circuit.
Described laser is connected with potentiometer.
Described numerical control step attenuator adopts pe4302, and this attenuator step-length is 0.5dB, the 31dB attenuation, and the control unit basis increases progressively the attenuation of button control step attenuator of successively decreasing, thereby reaches the stable of radio frequency power output.
The utility model, makes circuit reach better impedance matching, thereby can reach higher use frequency range through circuit is improved based on the radio-frequency intelligent optical module of the band button of Internet of Things; Increase button controller,, thereby guarantee the stable of radio frequency power output according to the attenuation of regulating numerical-control attenuator by key control.The utility model has based on the radio-frequency intelligent optical module of the band button of Internet of Things that volume is little, integrated level is high; Can control the size of radio frequency output level through button; Degree of regulation is high, give engineering open and maintenance brings convenience, it is applied in the Internet of Things communication equipment field.
Description of drawings
Accompanying drawing 1 is the functional-block diagram of the utility model based on the radio-frequency intelligent optical module of the band button of Internet of Things.
Embodiment
To combine Figure of description to come the utility model is further described below: as shown in Figure 1; The utility model discloses a kind of radio-frequency intelligent optical module of the band button based on Internet of Things; Comprise transmitter unit, control unit and receiving element, described transmitter unit includes RF treatment circuit 1, filter 3, laser 4 and the wavelength division multiplexer 6 that order links to each other; Described receiving element includes opto-electronic conversion diode 9, one-level amplifying circuit 10, second amplifying circuit 13, three-stage amplifier 15, π type attenuator 11, stepping numerical-control attenuator 12 and match circuit 14; Wherein one-level amplifying circuit 10 is imported the negative electrode of termination photodiodes 9; Output termination π type attenuator 11; The input termination π type attenuator 11 of stepping numerical-control attenuator 12, output connects the input of second amplifying circuit 13, the output termination match circuit 14 of second amplifying circuit; The input termination match circuit of three-stage amplifier 15, three-stage amplifier 15 amplifies back output with signal; Described control unit 7 is connected with button controller 8.
Described RF treatment circuit 1 also is connected with automatic electric-level ALC control circuit 2.
Described laser 4 is connected with potentiometer 5.
Described numerical control step attenuator adopts pe4302, and this attenuator step-length is 0.5dB, the 31dB attenuation, and the control unit basis increases progressively the attenuation of button control step attenuator of successively decreasing, thereby reaches the stable of radio frequency power output.
The above is merely the preferred embodiment of the utility model, is not the utility model is done any pro forma restriction; But the those of ordinary skill of all industry is all implemented the utility model with the above shown in the by specification accompanying drawing swimmingly; But all professional and technical personnel of being familiar with the above technology contents that is disclosed capable of using and a little change of making, modify the equivalent variations with differentiation in not breaking away from the utility model technical scheme scope, be the equivalent embodiment of the utility model; Simultaneously, all essence technology according to the utility model to the change of any equivalent variations that above embodiment did, modify with differentiation etc., all still belong within the protection range of technical scheme of the utility model.
Claims (4)
1. radio-frequency intelligent optical module based on the band button of Internet of Things; It is characterized in that: comprise transmitter unit, control unit and receiving element, described transmitter unit includes RF treatment circuit (1), filter (3), laser (4) and the wavelength division multiplexer (6) that order links to each other; Described receiving element includes opto-electronic conversion diode (9), one-level amplifying circuit (10), second amplifying circuit (13), three-stage amplifier (15), π type attenuator (11), stepping numerical-control attenuator (12) and match circuit (14); Wherein one-level amplifying circuit (10) is imported the negative electrode of termination photodiode (9); Output termination π type attenuator (11); The input termination π type attenuator (11) of stepping numerical-control attenuator (12); Output connects the input of second amplifying circuit (13), the output termination match circuit (14) of two-stage amplifier; The input termination match circuit of three-stage amplifier (15), three-stage amplifier (15) amplifies back output with signal; Described control unit (7) is connected with button controller (8).
2. the radio-frequency intelligent optical module of the band button based on Internet of Things according to claim 1, it is characterized in that: described RF treatment circuit (1) also is connected with automatic electric-level ALC control circuit (2).
3. the radio-frequency intelligent optical module of the band button based on Internet of Things according to claim 2, it is characterized in that: described laser (4) is connected with potentiometer (5).
4. the radio-frequency intelligent optical module of the band button based on Internet of Things according to claim 2 is characterized in that: described numerical control step attenuator adopts pe4302, and this attenuator step-length is 0.5dB, the 31dB attenuation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203104964U CN202172410U (en) | 2011-08-23 | 2011-08-23 | Radio frequency intelligent optical module with keys based on internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203104964U CN202172410U (en) | 2011-08-23 | 2011-08-23 | Radio frequency intelligent optical module with keys based on internet of things |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202172410U true CN202172410U (en) | 2012-03-21 |
Family
ID=45830596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203104964U Expired - Fee Related CN202172410U (en) | 2011-08-23 | 2011-08-23 | Radio frequency intelligent optical module with keys based on internet of things |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202172410U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9789091B2 (en) | 2013-03-14 | 2017-10-17 | University Of Massachusetts | Methods of inhibiting cataracts and presbyopia |
-
2011
- 2011-08-23 CN CN2011203104964U patent/CN202172410U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9789091B2 (en) | 2013-03-14 | 2017-10-17 | University Of Massachusetts | Methods of inhibiting cataracts and presbyopia |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: DONGGUAN MENTECH OPTICAL + MAGNETIC CO., LTD. Free format text: FORMER NAME: DONGGUAN MENTECH INDUSTRIAL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 523343 Guangdong Province, Dongguan City Shek Pai Zhenmiao edge Shajing Village Road nine Patentee after: Dongguan Mentech Optical & Magnetic Co., Ltd. Address before: 523343 Guangdong Province, Dongguan City Shek Pai Zhenmiao edge Shajing Village Road nine Patentee before: Dongguan Mentech Electronic Co., Ltd. |
|
| 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: 20120321 Termination date: 20190823 |