CN205490915U - Power saving intelligence cat eye - Google Patents
Power saving intelligence cat eye Download PDFInfo
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- CN205490915U CN205490915U CN201620035577.0U CN201620035577U CN205490915U CN 205490915 U CN205490915 U CN 205490915U CN 201620035577 U CN201620035577 U CN 201620035577U CN 205490915 U CN205490915 U CN 205490915U
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- 241000282326 Felis catus Species 0.000 title claims abstract description 6
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims description 54
- 239000011022 opal Substances 0.000 claims description 37
- 230000006698 induction Effects 0.000 claims description 20
- 238000011897 real-time detection Methods 0.000 abstract description 3
- 101100083338 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) PIC2 gene Proteins 0.000 description 6
- 101100153168 Arabidopsis thaliana TIC21 gene Proteins 0.000 description 5
- 101100273813 Homo sapiens CDKN1A gene Proteins 0.000 description 5
- 108700038981 SUMO-1 Proteins 0.000 description 5
- 101100083337 Schizosaccharomyces pombe (strain 972 / ATCC 24843) pic1 gene Proteins 0.000 description 5
- 102100026940 Small ubiquitin-related modifier 1 Human genes 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 101001068634 Homo sapiens Protein PRRC2A Proteins 0.000 description 1
- 101000786631 Homo sapiens Protein SYS1 homolog Proteins 0.000 description 1
- 101000908580 Homo sapiens Spliceosome RNA helicase DDX39B Proteins 0.000 description 1
- 102100033954 Protein PRRC2A Human genes 0.000 description 1
- 102100025575 Protein SYS1 homolog Human genes 0.000 description 1
- 102100024690 Spliceosome RNA helicase DDX39B Human genes 0.000 description 1
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Abstract
The utility model discloses a power saving intelligence cat eye, listen response module, doorbell module and microcontroller including display screen, human infrared detection module, removal, microcontroller listens response module, doorbell module and display screen with human infrared detection module, removal respectively and is connected. The utility model discloses a power saving intelligence cat eye in through human infrared detection module real -time detection door owner whether come to response, only when owner comes to response, microcontroller just control show the screen display sketch map like, and when nobody responsied in the door, microcontroller then controlled not display image of display screen, consequently, when having avoided that nobody responses in the door, the display screen is lighted and is consumeed the condition of a large amount of electric quantity, has reduced the power consumption of cat eye display screen.
Description
Technical field
This utility model relates to safety-security area, particularly relates to power-saving intelligent opal.
Background technology
Opal equipment is typically mounted on door, when, after opal equipment sensing to visitor, in door, personnel can observe the situation of outdoor by being arranged on the opal display screen of indoor.But, when unmanned response in door, opal display screen still can show image, thus causes a large amount of wastes of electricity.Visible, the power consumption how reducing opal display screen becomes problem demanding prompt solution.
Utility model content
Main purpose of the present utility model is the technical problem solving to reduce the power consumption of opal display screen.
For achieving the above object, this utility model provides a kind of power-saving intelligent opal, and described province electric cat eye includes display screen, human body infrared detecting module, mobile detection induction module, doorbell module and microcontroller；Described microcontroller is connected with described human body infrared detecting module, mobile detection induction module, doorbell module and described display screen respectively；Described mobile detection induction module is for output the first induced signal extremely described microcontroller, described doorbell module is used for exporting enabling signal to described microcontroller, described human body infrared detecting module is for output the second induced signal extremely described microcontroller, described microcontroller is used for receiving described first induced signal and/or described enabling signal and starting, and receive described second induced signal, and export the first control signal to start or to terminate described display screen display image.
Preferably, described power-saving intelligent opal also includes main power module and display screen power module, described display screen power module is connected with described microcontroller and described main power module respectively, described main power module is for powering for described display screen power module, and described microcontroller controls signal to described display screen power module to start or to terminate described display screen display image for output first.
Preferably, described display screen power module includes the first voltage conversion chip；The outfan of described main power module connects the input of described first voltage conversion chip through the first on-off circuit, the outfan of described first voltage conversion chip is connected with described display screen, and described microcontroller is connected with Enable Pin and first on-off circuit of the first voltage conversion chip the most respectively.
Preferably, described microcontroller is additionally operable to export second and controls signal to the first on-off circuit so that the connection between described main power module and described first voltage conversion chip turns on, and export the described first Enable Pin controlling signal to described first voltage conversion chip, power to start or to terminate the backlight module that described first voltage conversion chip is described display screen.
Preferably, described display screen power module also includes the second voltage conversion chip and positive-negative voltage conversion circuit；The outfan of described main power module connects input and the positive-negative voltage conversion circuit of described second voltage conversion chip through the first on-off circuit, and the outfan of described second voltage conversion chip is also connected with described display screen and described positive-negative voltage conversion circuit；Described microcontroller output second control signal to the first on-off circuit be turned on or off described main power module respectively with described second voltage conversion chip and the connection of described positive-negative voltage conversion circuit.
nullPreferably，Described power-saving intelligent opal also includes image capture module、Main control chip and main power source module，The outfan of described main power module is connected with described main power source module through the first on-off circuit，The outfan of described main power source module respectively with described image capture module、Main control chip、Human body infrared detecting module and described mobile detection induction module connect，Described main control chip is connected with described display screen and described image capture module the most respectively，Described microcontroller is connected with described first on-off circuit，The first on-off circuit is controlled signal to for output second，With the described main power source module connection respectively and between described image capture module and described main control chip that is turned on or off，Described image capture module is used for gathering picture signal and exporting to described main control chip，Described main control chip is used for receiving described picture signal and exporting to described display screen.
Preferably, described first on-off circuit includes an audion and a MOSFET, the base stage of described audion connects described microcontroller, the collector of described audion connects the grid of described MOSFET, the grounded emitter of described audion, the source electrode of described MOSFET connects the outfan of described main power module, and the drain electrode of described MOSFET connects described main power source module and described display screen power module respectively.
Preferably, described human body infrared detecting module includes that infrared transmitter and infrared remote receiver, described infrared transmitter and described infrared remote receiver are all connected with described microcontroller.
Preferably, described infrared transmitter is connected with described microcontroller through second switch circuit；Described microcontroller is additionally operable to launch the 3rd and controls signal to described second switch circuit, to start or to terminate described infrared transmitter transmitting infrared light.
Preferably, described infrared transmitter is 940nm infrared transmitter, and described infrared remote receiver is 940nm infrared remote receiver.
Whether power-saving intelligent opal of the present utility model is come response by owner in human body infrared detecting module real-time detection door, only when owner comes response, microcontroller just controls display screen display image, and in door during unmanned response, microcontroller then controls display screen and do not shows image, therefore, it is to avoid in door during unmanned response, display screen is lighted and is expended the situation of big volume and electricity, reduces the power consumption of opal display screen.
Accompanying drawing explanation
Fig. 1 is the high-level schematic functional block diagram of this utility model power-saving intelligent opal one embodiment；
Fig. 2 is the circuit diagram of this utility model power-saving intelligent opal one embodiment.
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
This utility model provides a kind of power-saving intelligent opal.
With reference to the high-level schematic functional block diagram that Fig. 1, Fig. 1 are this utility model power-saving intelligent opal one embodiment.
In this utility model power-saving intelligent opal one embodiment, this power-saving intelligent opal includes display screen 10, human body infrared detecting module 20, mobile detection induction module 30, doorbell module 40 and microcontroller 50；Microcontroller 50 is connected with human body infrared detecting module 20, mobile detection induction module 30, doorbell module 40 and display screen 10 respectively.
nullIn the present embodiment, the workflow of power-saving intelligent opal is: the most whether mobile detection induction module 30 detecting real-time has visitor to come to visit，I.e. whether with the presence of human body in its reconnaissance range of detecting real-time，In the presence of it detects and has human body outdoors，Export the first induced signal to microcontroller 50，Equally，When visitor presses doorbell，Trigger doorbell module 40 and export enabling signal to microcontroller 50，Microcontroller 50 starts when receiving the first induced signal and/or enabling signal，In human body infrared detecting module 20 detecting real-time door, whether owner carrys out response，I.e. whether detect with the presence of human body in its reconnaissance range，In the presence of it detects by human body，Export the second induced signal to microcontroller 50，When microcontroller 50 receives this second induced signal，Export the first control signal (such as，High level) show image starting display screen 10，If microcontroller 50 is not received by the second induced signal，Then export the first control signal (such as，Low level) show image terminating display screen 10.
Whether the present embodiment is come response by owner in human body infrared detecting module 20 real-time detection door, only when owner comes response, microcontroller 50 just controls display screen 10 and shows image, and in door during unmanned response, microcontroller 50 then controls display screen 10 and do not shows image, therefore, it is to avoid in door during unmanned response, display screen 10 is lighted and is expended the situation of big volume and electricity, reduces the power consumption of opal display screen 10.
In the present embodiment, described mobile detection induction module 30 includes that mobile detection induction apparatus PIC2 and sensing processor PIC3, described mobile detection induction apparatus PIC2 are connected with the A2 pin of described microprocessor through described sensing processor PIC3；Described mobile detection induction apparatus PIC2 is for output the 3rd induced signal to described sensing processor PIC3, described sensing processor PIC3 is for being less than predeterminable range threshold value in the distance judged between human body and described mobile detection induction apparatus PIC2, and time of existing of human body more than preset time threshold time, export described first induced signal to described microcontroller 50.
In the present embodiment, mobile detection induction apparatus PIC2 is preferably passive type Infrared Detectors (Passive Infrared Detector, PIR), and it can directly sense the infrared ray of human body release, is quick on the draw and can sense accurately.Wherein, in Fig. 2 mobile detection induction apparatus PIC2 "+" represent VDD pin, " O " pin represents OUT pin, and " G " represents GND pin.
Above-mentioned sensing processor PIC3 judges that whether human body residence time is more than preset time threshold, and judge whether the distance of human body distance mobile detection induction apparatus is less than predeterminable range threshold value, if, it is determined that this human body belongs to visitor, if not, it is determined that this human body is the people passed by.Processor PIC3 is only when determining that the human body sensed is visitor in sensing, and just output the first induced signal starts microcontroller 20, advantageously reduces power consumption.
With reference to the circuit diagram that Fig. 2, Fig. 2 are this utility model power-saving intelligent opal one embodiment.
In the present embodiment, described power-saving intelligent opal also includes that main power module 60 and display screen power module 70, above-mentioned display screen power module 70 are connected with microcontroller 50 and main power module 60 respectively.Above-mentioned main power module 60 is for powering for display screen power module 70, and microcontroller 50 controls signal to display screen power module 70 for output first and shows image to start or to terminate display screen 10.
Wherein, above-mentioned display screen power module 70 includes the first voltage conversion chip IC1；Above-mentioned main power module 60 can be by battery by BAT1 pin and BAT2 pin powered, and by IN pin, battery can be charged, its outfan (SYS1 pin and SYS2 pin) one tunnel connects low-power dissipation power supply module 120, one tunnel the first on-off circuit 80 connects the input (VIN pin) of the first voltage conversion chip IC1, the outfan (FB pin and DVP pin) of the first voltage conversion chip IC1 is connected with described display screen 10, described microcontroller 50 is connected with Enable Pin (EN pin) and first on-off circuit 80 of the first voltage conversion chip IC1 the most respectively.
Above-mentioned microcontroller 50 controls display screen 10 and shows that the workflow of image may is that first microcontroller 50 exports the second control signal (such as through A1 pin, high level) to the first on-off circuit 80, making the connection between main power module 60 and the first voltage conversion chip IC1 turn on, now the exportable voltage of main power module 60 is to the first voltage conversion chip IC1；Then, when microcontroller 50 receives the second induced signal, the first control signal is exported (such as again through D1 pin, high level) to the Enable Pin (EN pin) of the first voltage conversion chip IC1, control the backlight module that the first voltage conversion chip IC1 is display screen 10 to power, display screen 10 is lit, when microcontroller 50 does not receives the second induced signal, the first control signal is exported (such as through D1 pin, low level) to the Enable Pin (EN pin) of the first voltage conversion chip IC1, control the first voltage conversion chip IC1 to stop powering for the backlight module of display screen 10, display screen 10 is off.
In the present embodiment, described display screen power module 70 also includes the second voltage conversion chip IC2；The outfan of above-mentioned main power module 60 connects the input of the second voltage conversion chip IC2 (VIN pin) and positive-negative voltage conversion circuit through the first on-off circuit 80, the outfan (LX pin) of the second voltage conversion chip IC2 is also connected with display screen 10 and positive-negative voltage conversion circuit, as in figure 2 it is shown, this positive-negative voltage conversion circuit uses voltage multiplying rectifier method to generate generating positive and negative voltage.
Above-mentioned microcontroller 50 controls display screen 10 and shows that the workflow of image also includes: microcontroller 50 exports the second control signal (such as, high level) turn on main power module 60 and the connection of the second voltage conversion chip IC2 to the first on-off circuit 80, now, the exportable voltage of main power module 60 is to the second voltage conversion chip IC2, the most exportable voltage is to positive-negative voltage conversion circuit, second voltage conversion chip IC2 from outfan (LX pin) output voltage to display screen 10, power for the driving plate for display screen 10, and positive-negative voltage conversion circuit exports two generating positive and negative voltages to display screen 10, to show image.
In the present embodiment, described power-saving intelligent opal also includes image capture module 90, main control chip 100 and main power source module 110, the outfan of main power module 60 is connected with main power source module 110 through the first on-off circuit 80, the outfan (OUT pin) of main power source module 110 is connected with described image capture module 90, main control chip 100, human body infrared detecting module 20 and mobile detection induction module 30 respectively, main control chip 100 is connected with display screen 10 and image capture module 90 the most respectively, and microcontroller 50 is connected with the first on-off circuit 80.
nullThe workflow of the power-saving intelligent opal of the present embodiment also includes: microcontroller 50 exports the second control signal (such as，High level) to the first on-off circuit 80，To turn on the main power source module 110 connection respectively and between image capture module 90 and main control chip 100，Now，The exportable voltage of main power source module 110 is to image capture module 90 and main control chip 100，Content according to above-described embodiment，The second control signal is exported (such as at microcontroller 50，High level) to the first on-off circuit 80 time，Also the connection between main power source module 110 and display screen power module 70 has been simultaneously turned on，Image capture module 90 gathers picture signal and exports to main control chip 100，It is processed after receiving this picture signal by main control chip 100，And export the picture signal after process to display screen 10，When microcontroller 50 exports the first control signal (such as，High level) to the Enable Pin of the first voltage conversion chip IC1，Control the backlight module that the first voltage conversion chip IC1 is display screen 10 to power，Then display screen 10 is lit.
In the present embodiment, above-mentioned first on-off circuit 80 includes an an audion Q2 and MOSFET Q1, the base stage of audion Q2 connects described microcontroller 50, the collector of audion Q2 connects the grid of MOSFET Q1, the grounded emitter of audion Q2, the source electrode of MOSFET Q1 connects the outfan of main power module 60, and the drain electrode of MOSFET Q1 connects main power source module 110 and display screen power module 70 respectively.When microcontroller 50 exports a high level to the base stage of audion Q2, audion Q2 and MOSFET Q1 conducting；When the base stage of microcontroller 50 output low level to audion Q2, audion Q2 and MOSFET Q1 disconnects.
In the present embodiment, above-mentioned human body infrared detecting module 20 includes infrared transmitter LED1 and infrared remote receiver PIC1, described infrared transmitter LED1 and described infrared remote receiver PIC1 is all connected with described microcontroller 50, infrared ray is launched by infrared transmitter LED1, in the presence of having human body, infrared ray runs into human body and reflects, infrared remote receiver PIC1 receive the infrared ray reflected, export the second induced signal immediately to microcontroller 50.Fig. 2 mid-infrared receptor PIC1 "+" representing VDD pin, " O " pin represents OUT pin, and " G " represents GND pin.
Above-mentioned infrared transmitter LED1 is connected with microcontroller 50 through second switch circuit.As in figure 2 it is shown, second switch circuit includes that the base stage of an audion Q3, this audion Q3 connects microcontroller 50, the grounded emitter of audion Q3, the collector of audion Q3 connects infrared transmitter LED1.Microcontroller 50 exports the 3rd control signal (such as, high level) to audion Q3, then start infrared transmitter LED1 and launch infrared light, microcontroller 50 exports the 3rd control signal (such as, low level) to audion Q3, then terminate infrared transmitter LED1 and launch infrared light.
Additionally, above-mentioned infrared transmitter LED1 is preferably 940nm infrared transmitter, above-mentioned infrared remote receiver PIC1 is preferably 940nm infrared remote receiver.940nm infrared transmitter, compared to the infrared transmitter of other models, has the advantage without red exposure.
It should be noted that, the pin numbering mentioned in above-described embodiment is only used for illustrating the technical solution of the utility model, and above-mentioned pin numbering can represent one or more pin, also a pin set can be represented, user can select suitable pin according to different chips, and selected an appropriate number of pin is to realize the corresponding function being previously mentioned in above-described embodiment, this is not construed as limiting by this utility model.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in scope of patent protection of the present utility model.
Claims (10)
1. a power-saving intelligent opal, it is characterised in that described province electric cat eye includes display screen, human body infrared detecting module, mobile detection induction module, doorbell module and microcontroller；Described microcontroller is connected with described human body infrared detecting module, mobile detection induction module, doorbell module and described display screen respectively；Described mobile detection induction module is for output the first induced signal extremely described microcontroller, described doorbell module is used for exporting enabling signal to described microcontroller, described human body infrared detecting module is for output the second induced signal extremely described microcontroller, described microcontroller is used for receiving described first induced signal and/or described enabling signal and starting, and receive described second induced signal, and export the first control signal to start or to terminate described display screen display image.
2. power-saving intelligent opal as claimed in claim 1, it is characterized in that, described power-saving intelligent opal also includes main power module and display screen power module, described display screen power module is connected with described microcontroller and described main power module respectively, described main power module is for powering for described display screen power module, and described microcontroller controls signal to described display screen power module to start or to terminate described display screen display image for output first.
3. power-saving intelligent opal as claimed in claim 2, it is characterised in that described display screen power module includes the first voltage conversion chip；The outfan of described main power module connects the input of described first voltage conversion chip through the first on-off circuit, the outfan of described first voltage conversion chip is connected with described display screen, and described microcontroller is connected with Enable Pin and first on-off circuit of the first voltage conversion chip the most respectively.
4. power-saving intelligent opal as claimed in claim 3, it is characterized in that, described microcontroller is additionally operable to export second and controls signal to the first on-off circuit so that the connection between described main power module and described first voltage conversion chip turns on, and export the described first Enable Pin controlling signal to described first voltage conversion chip, power to start or to terminate the backlight module that described first voltage conversion chip is described display screen.
5. power-saving intelligent opal as claimed in claim 2, it is characterised in that described display screen power module also includes the second voltage conversion chip and positive-negative voltage conversion circuit；The outfan of described main power module connects input and the positive-negative voltage conversion circuit of described second voltage conversion chip through the first on-off circuit, and the outfan of described second voltage conversion chip is also connected with described display screen and described positive-negative voltage conversion circuit；Described microcontroller output second control signal to the first on-off circuit be turned on or off described main power module respectively with described second voltage conversion chip and the connection of described positive-negative voltage conversion circuit.
null6. power-saving intelligent opal as claimed in claim 2，It is characterized in that，Described power-saving intelligent opal also includes image capture module、Main control chip and main power source module，The outfan of described main power module is connected with described main power source module through the first on-off circuit，The outfan of described main power source module respectively with described image capture module、Main control chip、Human body infrared detecting module and described mobile detection induction module connect，Described main control chip is connected with described display screen and described image capture module the most respectively，Described microcontroller is connected with described first on-off circuit，The first on-off circuit is controlled signal to for output second，With the described main power source module connection respectively and between described image capture module and described main control chip that is turned on or off，Described image capture module is used for gathering picture signal and exporting to described main control chip，Described main control chip is used for receiving described picture signal and exporting to described display screen.
7. power-saving intelligent opal as claimed in claim 6, it is characterized in that, described first on-off circuit includes an audion and a MOSFET, the base stage of described audion connects described microcontroller, the collector of described audion connects the grid of described MOSFET, the grounded emitter of described audion, the source electrode of described MOSFET connects the outfan of described main power module, and the drain electrode of described MOSFET connects described main power source module and described display screen power module respectively.
8. the power-saving intelligent opal as according to any one of claim 1 to 6, it is characterised in that described human body infrared detecting module includes that infrared transmitter and infrared remote receiver, described infrared transmitter and described infrared remote receiver are all connected with described microcontroller.
9. power-saving intelligent opal as claimed in claim 8, it is characterised in that described infrared transmitter is connected with described microcontroller through second switch circuit；Described microcontroller is additionally operable to launch the 3rd and controls signal to described second switch circuit, to start or to terminate described infrared transmitter transmitting infrared light.
10. power-saving intelligent opal as claimed in claim 8, it is characterised in that described infrared transmitter is 940nm infrared transmitter, and described infrared remote receiver is 940nm infrared remote receiver.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620035577.0U CN205490915U (en) | 2016-01-14 | 2016-01-14 | Power saving intelligence cat eye |
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| CN201620035577.0U CN205490915U (en) | 2016-01-14 | 2016-01-14 | Power saving intelligence cat eye |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107463244A (en) * | 2017-07-27 | 2017-12-12 | 北京小米移动软件有限公司 | Enabling information processing method and device |
| CN107939220A (en) * | 2017-12-14 | 2018-04-20 | 厦门施米德智能科技有限公司 | A kind of recognition of face intelligent door |
| CN107989481A (en) * | 2017-12-14 | 2018-05-04 | 厦门施米德智能科技有限公司 | A kind of intelligent door lock |
| CN109525813A (en) * | 2018-11-30 | 2019-03-26 | 云丁网络技术(北京)有限公司 | The bright screen control method of monitoring system and monitoring device |
| CN110930563A (en) * | 2019-12-04 | 2020-03-27 | 北京小狗智能机器人技术有限公司 | Outdoor display device and self-service check-in system |
| WO2020088622A1 (en) * | 2018-10-31 | 2020-05-07 | 云丁网络技术(北京)有限公司 | Security control method and system |
| CN111127704A (en) * | 2018-10-31 | 2020-05-08 | 云丁网络技术(北京)有限公司 | Data association method and device |
| CN114136457A (en) * | 2021-11-03 | 2022-03-04 | 中国安全生产科学研究院 | A uniform calibration and noise control of infrared detection driver based on FPGA |
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2016
- 2016-01-14 CN CN201620035577.0U patent/CN205490915U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107463244A (en) * | 2017-07-27 | 2017-12-12 | 北京小米移动软件有限公司 | Enabling information processing method and device |
| CN107939220A (en) * | 2017-12-14 | 2018-04-20 | 厦门施米德智能科技有限公司 | A kind of recognition of face intelligent door |
| CN107989481A (en) * | 2017-12-14 | 2018-05-04 | 厦门施米德智能科技有限公司 | A kind of intelligent door lock |
| WO2020088622A1 (en) * | 2018-10-31 | 2020-05-07 | 云丁网络技术(北京)有限公司 | Security control method and system |
| CN111127704A (en) * | 2018-10-31 | 2020-05-08 | 云丁网络技术(北京)有限公司 | Data association method and device |
| US12189734B2 (en) | 2018-10-31 | 2025-01-07 | Yunding Network Technology (Beijing) Co., Ltd. | Security control method and system |
| CN109525813A (en) * | 2018-11-30 | 2019-03-26 | 云丁网络技术(北京)有限公司 | The bright screen control method of monitoring system and monitoring device |
| CN110930563A (en) * | 2019-12-04 | 2020-03-27 | 北京小狗智能机器人技术有限公司 | Outdoor display device and self-service check-in system |
| CN114136457A (en) * | 2021-11-03 | 2022-03-04 | 中国安全生产科学研究院 | A uniform calibration and noise control of infrared detection driver based on FPGA |
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