CN204634116U - With the intelligent desk lamp of social functions - Google Patents
With the intelligent desk lamp of social functions Download PDFInfo
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- CN204634116U CN204634116U CN201520338810.8U CN201520338810U CN204634116U CN 204634116 U CN204634116 U CN 204634116U CN 201520338810 U CN201520338810 U CN 201520338810U CN 204634116 U CN204634116 U CN 204634116U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model relates to a kind of intelligent desk lamp, and especially a kind of intelligent desk lamp with social functions, belongs to the technical field of intelligent lighting.According to the technical scheme that the utility model provides, the described intelligent desk lamp with social functions, comprises the LED constant current module for throwing light on and controls the microcontroller of described LED constant current module luminance; Described microcontroller is also connected with the data communication module that can carry out data interaction, and microcontroller carries out required data exchange operation by data communication module.The utility model not only from student health angle, automatic switch light source and brightness regulation, sitting posture adjust, remind with eye; From Students ' Learning angle, integrate and share education resource, by the Internet exchange message, share gains in depth of comprehension, achieve the intelligent desk lamp possessing social functions, greatly improve Students ' Learning dynamic role and validity, can light self-induction, comprehensively for the health of user escorts.
Description
Technical field
The utility model relates to a kind of intelligent desk lamp, and especially a kind of intelligent desk lamp with social functions, belongs to the technical field of intelligent lighting.
Background technology
Student, when learning, can run into the nervous shortage of education resource often, must not seek help door, and when encountering problems or produce gains in depth of comprehension and idea, classmate and classmate, classmate and teacher cannot link up between this in real time and effectively, share.And student is when learning, along with the increase of learning time, learning posture starts automatic change, lack of standardization; Eyesight aspect, not science eye, increase eyesight burden, no matter to just at developmental vertebra or eyes, certainly will all can have a negative impact for a long time in the past.And some student attentiveness when learning cannot be concentrated, half-hearted, need the head of a family to supervise constantly or select the form of accompanying one's spouse who is studying abroad, but doing like this, not only wasting the energy of the head of a family, also easily cause the unhealthy emotion of student, a positive effect is not had to study.But, for the problem of these common property of school-days, but do not have a product can concentrate effective solution on the market, such that these phenomenons are common but becomes helpless difficult and complicated cases.
Summary of the invention
The purpose of this utility model overcomes the deficiencies in the prior art, a kind of intelligent desk lamp with social functions is provided, it incorporates learning materials, simultaneously, can add up the activity duration, educational resource is listened to online, remote communication between classmate, interactive between teachers and students, the function such as to share to each other, really achieve and accompany child to grow up, supervise child's the destination of study, greatly improve Students ' Learning dynamic role and validity, can light self-induction, sitting posture adjustment monitoring and science learning used time remind, comprehensively for the health of user escorts.
According to the technical scheme that the utility model provides, the described intelligent desk lamp with social functions, comprises the LED constant current module for throwing light on and controls the microcontroller of described LED constant current module luminance; It is characterized in that: described microcontroller is also connected with the data communication module that can carry out data interaction.
Described microcontroller is also with the optical sensor for gathering light intensity, to be connected and ultrasonic sensor for human body sitting posture state connects for detecting the pyroelectric sensor whether having human body to exist.
Described microcontroller is connected with intelligent terminal by data communication module, and described intelligent terminal comprises smart mobile phone, and data communication module comprises touch-screen, bluetooth module and WIFI module, and microcontroller is also connected with voice module.
The bluetooth module of described data communication module comprises the Bluetooth RF chip U11 that employing model is RDA5876, the VSS of described Bluetooth RF chip U11 holds ground connection, the UART_RX end of Bluetooth RF chip U11 is connected with microcontroller by resistance R44, the VIO end of Bluetooth RF chip U11 is connected with one end of magnetic bead FB2 and one end of electric capacity C46, the other end of magnetic bead FB2 is connected with VCC33 link, the other end ground connection of electric capacity C46; The VBAT end of Bluetooth RF chip U11 is connected with one end of one end of magnetic bead FB3, one end of electric capacity C47 and electric capacity C48, and the other end of magnetic bead FB3 is connected with VCC33 link, the other end of electric capacity C47 and the other end ground connection of electric capacity C48; The XIN end of Bluetooth RF chip U11 holds with the CLKIO of crystal oscillator Y2 and one end of electric capacity C49 is connected, the other end of electric capacity C49 and the GND of crystal oscillator Y2 hold equal ground connection, the XTAL end of Bluetooth RF chip U11 is held with one end of electric capacity C50 and the CLK2 of crystal oscillator Y2 and is connected, the other end ground connection of electric capacity C50; The LDO_ON end of Bluetooth RF chip U11 is connected with microcontroller by resistance R45;
The RF end of Bluetooth RF chip U11 is connected with one end of inductance L 2, one end of electric capacity C51, the other end ground connection of inductance L 2, the other end of electric capacity C51 is connected with one end of one end of electric capacity C52 and electric capacity C53, the other end ground connection of electric capacity C53, the other end of electric capacity C52 is connected with radio-frequency antenna RF2; The FM_IN end of Bluetooth RF chip U11, AGPIO1/BT_PRIORITY end, AGPIO0/BT_ACTIVE hold equal ground connection, the VOUT12 end of Bluetooth RF chip U11 is connected with one end of electric capacity C45, the other end ground connection of electric capacity C45, the UART_TX end of Bluetooth RF chip U11 is connected with microcontroller by resistance R43.
The WIFI module of described data communication module comprises the wireless chip U13 that employing model is ESP8266, VDDA end, the VDDD end of described wireless chip U13 are all connected with one end of electric capacity C41 and VCC33 link, and the other end of electric capacity C41 and the GND of wireless chip U13 hold equal ground connection; The LNA end of wireless chip U13 is connected with one end of electric capacity C42, one end of inductance L 6, and the other end of electric capacity C42 is connected with one end of inductance L 5 and radio-frequency antenna RF1, the other end of inductance L 5 and the equal ground connection of the other end of inductance L 6; VDD3P3 end and the CHIP_EN end of wireless chip U13 are all connected with one end of electric capacity C43 and VCC33 link, the other end ground connection of electric capacity C43;
The VDDPST end of wireless chip U13 is connected with one end of electric capacity C44 and VCC33 link, the other end ground connection of electric capacity C44; The RES12K end of wireless chip U13 is connected with one end of resistance R39, and the other end of resistance R39 is by resistance R38 ground connection; The XTAL_IN end of wireless chip U13 holds with the CLKIO of crystal oscillator Y3 and one end of electric capacity C39 is connected, and the other end of electric capacity C39 and the GND of crystal oscillator Y3 hold equal ground connection, and the XTAL_OUT of wireless chip U13 holds and to hold with the CLK2 of crystal oscillator Y3 and electric capacity C40 holds and is connected.
Described voice module comprises the audio power chip U6A that employing model is HT6818, the INL-end of audio power chip U6A is connected with one end of electric capacity C16, the INL+ end of audio power chip U6A is connected with one end of electric capacity C18, the other end ground connection of electric capacity C16, the other end of electric capacity C18 is connected with one end of one end of resistance R10 and electric capacity C17, the other end ground connection of resistance R10, the other end of electric capacity C17 is connected with one end of resistance R11;
The ACRC end of audio power chip U6A is connected with one end of resistance R12 and one end of electric capacity C19, the one PVDD end of the other end of electric capacity C19 and the other end equal ground connection audio power chip U6A of resistance R12 is connected with one end of electric capacity C20, one end of resistance R15 and VCC33 link, the other end ground connection of electric capacity C20, the MUTE of the other end of resistance R15 and the collector electrode of triode Q1 and audio power chip U6A holds and is connected; The PGND of audio power chip U6A holds ground connection, the base terminal of triode Q1 is connected with one end of one end of resistance R14, electric capacity C21, the other end of electric capacity C21 and the emitter terminal ground connection of triode Q1, the other end of resistance R14 is connected with one end of resistance R13, and the other end of resistance R13 is connected with VCC50 link;
Audio power chip U6A /SDL end, AVDD end and/SDR hold all with one end of electric capacity C26, one end of electric capacity C27 and VCC33 link connect, the other end of electric capacity C26 and the equal ground connection of the other end of electric capacity C27, another PVDD of audio power chip U6A holds and is connected with one end of electric capacity C25 and VCC50 link, the other end ground connection of electric capacity C25, the G0 end of audio power chip U6A is connected with VCC50 link, the INR+ end of audio power chip U6A is connected with one end of electric capacity C23, the other end of electric capacity C23 is connected with one end of one end of electric capacity C24 and resistance R16, one end of electric capacity C24 is connected with one end of resistance R17, the other end ground connection of resistance R16, the INR-end of audio power chip U6A is connected with one end of electric capacity C22, the other end ground connection of electric capacity C22.
The power end of described microcontroller and the power end of LED constant current module are all connected with power module;
Described power module comprises voltage conversion chip U1, voltage conversion chip U2 and voltage conversion chip U3; Voltage conversion chip U1 adopts model to be the chip of PV0124W12V, voltage conversion chip U1 is connected with external power source by L end, N end, the VOUT end of voltage conversion chip U1 is held with the Vin of one end of electric capacity C1, one end of electric capacity C2 and voltage conversion chip U2 and is connected, the other end of electric capacity C1, the other end of electric capacity C2 and the GND of voltage conversion chip U1 hold equal ground connection, and the VOUT end of voltage conversion chip U1 forms VCC12V link simultaneously;
Voltage conversion chip U2 adopts model to be the chip of 78M05, the VIN of the Vout end of voltage conversion chip U2 and one end of one end of electric capacity C3, electric capacity C4, one end of electric capacity C54, one end of electric capacity C5 and voltage conversion chip U3 holds and is connected, the other end of the other end of electric capacity C3, the other end of electric capacity C4, electric capacity C54, the other end of electric capacity C5 and the GND of voltage conversion chip U2 hold equal ground connection, and the Vout end of voltage conversion chip U2 forms VCC50 link simultaneously;
Voltage conversion chip U3 adopts model to be the chip of XC6206A-3.3V, the VOUT end of voltage conversion chip U3 is connected with one end of electric capacity C6 and one end of electric capacity C7, the other end of electric capacity C6, the other end of electric capacity C7, the GND of voltage conversion chip U3 hold equal ground connection, and the VOUT of voltage conversion chip U3 holds formation VCC33 link simultaneously.
Described pyroelectric sensor employing model is the chip U10 of HC-SR501, the GND of chip U10 holds ground connection, the VCC end of chip U10 is connected with VCC50 link, the output of chip U10 is connected with one end of one end of resistance R34 and resistance R35, the other end of resistance R34 is connected with VCC50 link, the other end of resistance R35 is connected with one end of the base terminal of triode Q4 and electric capacity C37, the other end of electric capacity C37 and the equal ground connection of emitter terminal of triode Q4, the collector terminal of triode Q4 is connected with one end of one end of resistance R36 and resistance R37, the other end of resistance R36 is connected with VCC33 link, the other end of resistance R37 is connected with the input of microcontroller.
Described ultrasonic sensor adopts model to be the ultrasound chip U8 of HC-SR04, the VCC end of described ultrasound chip U8 is connected with VCC50 link, the Trig end of ultrasound chip U8 is connected with one end of resistance R29, the other end of resistance R29 is connected with the collector terminal of one end of resistance R28 and triode Q2, the other end of resistance R28 is connected with VCC50 link, the base terminal of triode Q2 and one end of resistance R27, one end of electric capacity C35 connects, the other end of electric capacity C35 and the equal ground connection of emitter terminal of triode Q2, the other end of resistance R27 is connected with one end of resistance R26 and the output of microcontroller, the other end of resistance R26 is connected with VCC33 link,
The Echo end of ultrasound chip U8 is connected with one end of resistance R30 and one end of resistance R31, the other end of resistance R30 is connected with VCC50 link, the other end of resistance R31 is connected with the base terminal of one end of electric capacity C36 and triode Q3, the other end of electric capacity C36 and the equal ground connection of emitter terminal of triode Q3, the collector terminal of triode Q3 is connected with one end of one end of resistance R32 and resistance R33, the other end of resistance R32 is connected with VCC33 link, the other end of resistance R33 is connected with the input of microcontroller, and the GND of ultrasound chip U8 holds ground connection.
Described LED constant current module employing model is the constant-current driven chip U7 of UC5710, the vdd terminal of described constant-current driven chip U7 is connected with VCC50 link, the DIM end of constant-current driven chip U7 is connected with the output of microcontroller, the CHI end of constant-current driven chip U7 is connected with the cathode terminal of light-emitting diode D1, the anode tap of light-emitting diode D1 is connected with the cathode terminal of light-emitting diode D2, the anode tap of light-emitting diode D2 is connected with the cathode terminal of light-emitting diode D3, the anode tap of light-emitting diode D3 and VCC12V link, one end of electric capacity C55, one end of electric capacity C56 and the anode tap of light-emitting diode D6 connect, the other end of electric capacity C55 and the equal ground connection of the other end of electric capacity C56, the cathode terminal of light-emitting diode D6 is connected with the anode tap of light-emitting diode D5, the cathode terminal of light-emitting diode D5 is connected with the anode tap of light-emitting diode D4, the cathode terminal of light-emitting diode D4 is held with the CH2 of constant-current driven chip U7 and is connected, the GND1 end of constant-current driven chip U7, GND2 holds equal ground connection, the Rext end of constant-current driven chip U7 is connected with one end of resistance R25, the other end ground connection of resistance R25.
Advantage of the present utility model: not only from student health angle, automatic switch light source and brightness regulation, sitting posture adjusts, and reminds with eye; From Students ' Learning angle, integrate and share education resource, by the Internet exchange message, share gains in depth of comprehension, achieve the intelligent desk lamp possessing social functions, greatly improve Students ' Learning dynamic role and validity, can light self-induction, comprehensively for the health of user escorts.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is the circuit theory diagrams of the utility model LED constant current module.
Fig. 3 is the circuit theory diagrams of the utility model power module.
Fig. 4 is the circuit theory diagrams of the utility model pyroelectric sensor.
Fig. 5 is the circuit theory diagrams of the utility model ultrasonic sensor.
Fig. 6 is the circuit theory diagrams of the utility model bluetooth module.
Fig. 7 is the circuit theory diagrams of the utility model WIFI module.
Fig. 8 is the circuit theory diagrams of the utility model voice module.
Embodiment
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in Figure 1: in order to Students ' Learning dynamic role and validity can be improved, the utility model comprises the LED constant current module for throwing light on and controls the microcontroller of described LED constant current module luminance; Described microcontroller is also connected with the data communication module that can carry out data interaction, and microcontroller carries out required data exchange operation by data communication module.
Particularly, microcontroller energy driving LED constant flow module luminescence work, microcontroller can adopt existing conventional micro-chip processor, as single-chip microcomputer, embedded processing systems etc., as long as microcontroller can receive the signal of pyroelectric sensor and optical sensor transmission, and drive and the luminance controlling LED constant current module.In the specific implementation, in order to form complete desk lamp, also need to comprise the part such as lamp socket and lamp housing, microcontroller, LED constant current module, data communication module are all in lamp socket or lamp housing, and particular location can be arranged as required, specifically repeats no more.
In the specific implementation, described microcontroller comprises by the data exchange operation that data communication module carries out activity duration, the educational resource of sharing statistics and listens to online or many people remote interaction.Usually, comprise timer and memory in microcontroller, intelligent desk lamp of the present utility model can be used for Students ' Learning or operating illumination needs, when student starts, the timer in microcontroller can be utilized to carry out timing to the time of doing one's assignment.After fulfiling assignment, can the activity duration added up in microcontroller be shared, described in share the timing statistics of doing one's assignment namely allowing others know oneself.Usually, when microcontroller carries out exchanges data by data communication module, microcontroller needs to be connected with the Internet by data communication module, the activity duration of sharing statistics can in realizations such as the server of specifying or website, Web Community, local area network (LAN)s, the process that microcontroller carries out data sharing by data communication module can adopt existing conventional data sharing means to implement, and specifically repeats no more.
When microcontroller by data communication module carry out educational resource listen to online time, microcontroller can be connected with the online education of specifying website or server by data communication module, by the access to online education website or server, realize checking of online resource.Microcontroller carries out many people remote interaction by data communication module and refers to the communication directly can carrying out word, voice or video aspect between classmate, between student and teacher, can more effective raising study content management and learning efficiency in the process of many people remote interaction.Microcontroller realizes listening to online of educational resource by data communication module and multi-person interactive all can adopt existing conventional technological means, and specific implementation process repeats no more.
Described microcontroller is also connected with the optical sensor for gathering light intensity and for detecting the pyroelectric sensor whether having human body to exist; There is signal in the human body that pyroelectric sensor can transmit in LED constant current module illumination zone to microcontroller, optical sensor can transmit the ambient light intensity of LED constant current module place environment in microcontroller;
When the human body that microcontroller receives pyroelectric sensor transmission exists signal and default illuminating ray intensity in ambient light intensity and the microcontroller of optical sensor transmission matches, microcontroller driving LED constant flow module is luminous to work and the luminosity of LED constant current module and described ambient light intensity is matched.
By induction, pyroelectric sensor has determined whether that human body exists, optical sensor can determine the ambient light intensity in environment residing for desk lamp.In order to make desk lamp intelligent opening, pre-set default illuminating ray intensity in microcontroller, the occurrence presetting illuminating ray intensity can carry out selection as required and determine, ambient light intensity and default illuminating ray intensity match refer to that ambient light intensity can not meet work at present or study use eye requirement, microcontroller now can start luminous work by driving LED constant flow module automatically, and the luminosity of LED constant current module and ambient light intensity match, wherein, what the luminosity of LED constant current module and ambient light strength matching referred to that the luminosity of LED constant current module and ambient light intensity can meet work at present or study completely uses eye requirement, namely microcontroller environmentally light intensity regulate the luminosity of LED constant current module.
During described microcontroller driving LED constant flow module luminescence work, microcontroller carries out timing to the LED constant current module luminous operating time, when the luminous operating time of LED constant current module mated with the default eye operating time in microcontroller, alerting signal between microcontroller exports and uses at the moment;
After microcontroller driving LED constant flow module luminescence work, leave LED constant current module by pyroelectric sensor determination human body and to leave in time of LED constant current module and microcontroller default leaves the shut-in time when matching, microcontroller turns off the luminous operating state of LED constant current module.
In the utility model embodiment, when after microcontroller driving LED constant flow module luminescence work, namely start timer and timing is carried out to the fluorescent lifetime of LED constant current module.According to work or learning time use eye length requirement, can arrange in microcontroller and use the eye operating time, when the luminous operating time of timer to LED constant current building block technique reaches the scope preset with the eye operating time, microcontroller can export with alerting signal between at the moment, to avoid for a long time by the kopiopia that eye causes by loud speaker or display screen.When being exported by loud speaker or display screen with between at the moment during alerting signal, then need, on desk lamp, required loud speaker or display screen are installed.In the specific implementation, optical sensor adopts the visible ray photo resistance of light pipe, under dark surrounds, the resistance of photo resistance is high, photo resistance is when being subject to illumination and optical radiation energy is enough large, resistivity diminishes, and microcontroller determines current ambient light intensity by the resistance reading photo resistance.
After LED constant current module luminescence work, desk lamp user may be there is and leave the situation not re-using desk lamp.Left by pyroelectric sensor determination human body, and timing carried out to the time that human body leaves, when the time left with preset leave the shut-in time match time, in order to energy-conservation etc., microcontroller can turn off LED constant current module.The time leaving LED constant current module is left the shut-in time and matches and refer to that microcontroller enters the scope preset and leave the shut-in time to the time that human body leaves with presetting, and presets to leave the shut-in time and can carry out concrete selection according to specific needs determine in microcontroller.
Described microcontroller is also connected with the ultrasonic sensor for human body sitting posture state, ultrasonic sensor can transmit sitting posture offset signal to microcontroller, after microcontroller receives the sitting posture offset signal of ultrasonic sensor transmission, microcontroller exports sitting posture alarm signal.
In the utility model embodiment, ultrasonic sensor is installed on the lamp holder position of desk lamp, is detected the surveyed area whether having object to enter below by ultrasonic sensor.When working or in learning process, human body enters the surveyed area of ultrasonic sensor, then can be detected by ultrasonic sensor, namely think that human body sitting posture deviate from normal sitting posture, now, ultrasonic sensor transmits sitting posture offset signal in microcontroller.Microcontroller exports sitting posture alarm signal by display screen or loud speaker, adjusts to correct sitting posture to remind desk lamp user.By ultrasonic sensor, human body sitting posture detected and without the need to additionally wearing annex, bring comfortable facility to study or work, safe and reliable.
Further, described microcontroller is connected with intelligent terminal by data communication module, described intelligent terminal adjusts the default illuminating ray intensity in microcontroller, default eye operating time and default time departure by data communication module, and intelligent terminal also transmits sitting posture prompting functional status signal by data communication module in microcontroller, microcontroller determines whether to export sitting posture alarm signal according to sitting posture prompting functional status signal.
Intelligent terminal by data communication module to microcontroller transmission record use at the moment between reminding language tone signal or sitting posture alarm voice signal, microcontroller receive and store record use at the moment between reminding language tone signal and sitting posture alarm voice signal, microcontroller exports by voice module and is undertaken using eye time alarm by reminding language tone signal between at the moment, and microcontroller carries out sitting posture warning by voice module output sitting posture alarm voice signal.
In the utility model embodiment, described intelligent terminal comprises smart mobile phone, and certainly, intelligent terminal can also be the equipment such as flat board or computer, and data communication module comprises touch-screen, bluetooth module and WIFI module.Intelligent terminal can be connected with microcontroller by bluetooth module or WIFI module, after intelligent terminal is that microcontroller connects, default illuminating ray intensity can be set, by the light conditions regulating default illuminating ray intensity can regulate microcontroller driving LED constant flow module luminescence work, to adapt to the requirement of different users to LED constant current module luminescence work.When intelligent terminal regulates the default eye operating time in microcontroller, can remind at the moment different use, with adapt to different use at the moment between requirement.Intelligent terminal can leave state to difference and arrange after regulating and presetting time departure, avoids user to leave rear LED constant current module and switches at luminous lighting or closed condition frequently.Intelligent terminal transmission sitting posture prompting functional status signal be sitting posture prompting open fire sitting posture prompting close, when opening for sitting posture prompting, after receiving sitting posture offset signal, namely microcontroller exports sitting posture alarm signal; When closing for sitting posture prompting, after receiving sitting posture offset signal, microcontroller does not still export sitting posture alarm signal, can meet the needs of different service condition.
Certainly, intelligent terminal can also transmit light automatic switch status signal in microcontroller, described light automatic switch status signal is that light is automatically opened or forbids that light is opened automatically, when automatically opening for light, when microcontroller receive pyroelectric sensor transmission human body there is signal and optical sensor transmission ambient light intensity and microcontroller in default illuminating ray intensity match time, microcontroller is automatic driving LED constant flow module directly, makes LED constant current module luminous lighting; When for forbidding that light is opened automatically, light automatic switch status signal is that light is automatically opened or forbids that light is opened automatically, when automatically opening for light, when microcontroller receive pyroelectric sensor transmission human body there is signal and optical sensor transmission ambient light intensity and microcontroller in default illuminating ray intensity match time, microcontroller is driving LED constant flow module luminous lighting not.
Can record with reminding language tone signal or sitting posture alarm voice signal between at the moment by intelligent terminal, intelligent terminal can will with reminding language tone signal between at the moment and sitting posture alarm voice Signal transmissions in microcontroller by bluetooth or WIFI mode, microcontroller can with the use recorded at the moment between reminding language tone signal or sitting posture alarm voice audio substitute the voice messaging prestored in microcontroller, to meet multifarious requirement.The head of a family passes through the voice messaging mode of recording oneself or child, can reach the emotion communication of different levels.
In addition, microcontroller can also export the long-range acoustic information of classmate by voice module, exports corresponding video information by touch-screen, can also be carried out selection and the input of relevant information by touch-screen.Microcontroller can be selected to store long-range voice messaging, and long-range voice messaging is carried out sitting posture warning or use eye time alarm.In microcontroller, the learning materials of all right storing audio or video, are undertaken reviewing or previewing by voice module or touch-screen after fulfiling assignment for student.
As shown in Figure 3, the power end of described microcontroller and the power end of LED constant current module are all connected with power module; Certainly, the power end of ultrasonic sensor, pyroelectric sensor also needs to be connected with power module.
Described power module comprises voltage conversion chip U1, voltage conversion chip U2 and voltage conversion chip U3; Voltage conversion chip U1 adopts model to be the chip of PV0124W12V, voltage conversion chip U1 is connected with external power source by L end, N end, the VOUT end of voltage conversion chip U1 is held with the Vin of one end of electric capacity C1, one end of electric capacity C2 and voltage conversion chip U2 and is connected, the other end of electric capacity C1, the other end of electric capacity C2 and the GND of voltage conversion chip U1 hold equal ground connection, and the VOUT end of voltage conversion chip U1 forms VCC12V link simultaneously;
Voltage conversion chip U2 adopts model to be the chip of 78M05, the VIN of the Vout end of voltage conversion chip U2 and one end of one end of electric capacity C3, electric capacity C4, one end of electric capacity C54, one end of electric capacity C5 and voltage conversion chip U3 holds and is connected, the other end of the other end of electric capacity C3, the other end of electric capacity C4, electric capacity C54, the other end of electric capacity C5 and the GND of voltage conversion chip U2 hold equal ground connection, and the Vout end of voltage conversion chip U2 forms VCC50 link simultaneously;
Voltage conversion chip U3 adopts model to be the chip of XC6206A-3.3V, the VOUT end of voltage conversion chip U3 is connected with one end of electric capacity C6 and one end of electric capacity C7, the other end of electric capacity C6, the other end of electric capacity C7, the GND of voltage conversion chip U3 hold equal ground connection, and the VOUT of voltage conversion chip U3 holds formation VCC33 link simultaneously.
Particularly, in power module, export 12V voltage by VCC12V link, export 5V voltage by VCC50 link, export 3.3V voltage by VCC33 link; Required operating voltage can be provided for microcontroller, ultrasonic sensor, pyroelectric sensor and LED constant current module by the VCC12V link in power module, VCC50 link and VCC33 link.
As shown in Figure 4, described pyroelectric sensor employing model is the chip U10 of HC-SR501, the GND of chip U10 holds ground connection, the VCC end of chip U10 is connected with VCC50 link, the output of chip U10 is connected with one end of one end of resistance R34 and resistance R35, the other end of resistance R34 is connected with VCC50 link, the other end of resistance R35 is connected with one end of the base terminal of triode Q4 and electric capacity C37, the other end of electric capacity C37 and the equal ground connection of emitter terminal of triode Q4, the collector terminal of triode Q4 is connected with one end of one end of resistance R36 and resistance R37, the other end of resistance R36 is connected with VCC33 link, the other end of resistance R37 is connected with the input of microcontroller.
Particularly, the chip U10 of employing HC-SR501 is the automatic control module based on infrared technology, and be full-automatic induction mode, people enters its induction range and then exports high level, and people leaves and responds to then automatic time delay closedown high level, output low level.Use can repeated trigger mode, namely after induction exports high level, in delay time section, if someone is movable at its induction range, its output will keep high level always, until people leaves rear ability time delay high level is become low level (induction module can be postponed after the activity each time of human body being detected a delay time section automatically, and with the starting point that is delay time of last movable time).Chip U10, can followed by arranging a blocking time section after responding to output each time, and at this moment, section interoceptor does not accept any induced signal, and blocking time is about 2.5s.
As shown in Figure 6, the bluetooth module of described data communication module comprises the Bluetooth RF chip U11 that employing model is RDA5876, the VSS of described Bluetooth RF chip U11 holds ground connection, the UART_RX end of Bluetooth RF chip U11 is connected with microcontroller by resistance R44, the VIO end of Bluetooth RF chip U11 is connected with one end of magnetic bead FB2 and one end of electric capacity C46, the other end of magnetic bead FB2 is connected with VCC33 link, the other end ground connection of electric capacity C46; The VBAT end of Bluetooth RF chip U11 is connected with one end of one end of magnetic bead FB3, one end of electric capacity C47 and electric capacity C48, and the other end of magnetic bead FB3 is connected with VCC33 link, the other end of electric capacity C47 and the other end ground connection of electric capacity C48; The XIN end of Bluetooth RF chip U11 holds with the CLKIO of crystal oscillator Y2 and one end of electric capacity C49 is connected, the other end of electric capacity C49 and the GND of crystal oscillator Y2 hold equal ground connection, the XTAL end of Bluetooth RF chip U11 is held with one end of electric capacity C50 and the CLK2 of crystal oscillator Y2 and is connected, the other end ground connection of electric capacity C50; The LDO_ON end of Bluetooth RF chip U11 is connected with microcontroller by resistance R45;
The RF end of Bluetooth RF chip U11 is connected with one end of inductance L 2, one end of electric capacity C51, the other end ground connection of inductance L 2, the other end of electric capacity C51 is connected with one end of one end of electric capacity C52 and electric capacity C53, the other end ground connection of electric capacity C53, the other end of electric capacity C52 is connected with radio-frequency antenna RF2; The FM_IN end of Bluetooth RF chip U11, AGPIO1/BT_PRIORITY end, AGPIO0/BT_ACTIVE hold equal ground connection, the VOUT12 end of Bluetooth RF chip U11 is connected with one end of electric capacity C45, the other end ground connection of electric capacity C45, the UART_TX end of Bluetooth RF chip U11 is connected with microcontroller by resistance R43.
Particularly, the operating frequency of crystal oscillator Y2 is 26M, the UART_TX end of Bluetooth RF chip U11 receives the UART_RX signal of microcontroller by resistance R43, the UART_RX end of Bluetooth RF chip U11 receives the UART_TX signal of microcontroller by resistance R44, the LDO_ON end of Bluetooth RF chip U11 receives the LDO_ON signal of microcontroller by resistance R45.
As shown in Figure 7, the WIFI module of described data communication module comprises the wireless chip U13 that employing model is ESP8266, VDDA end, the VDDD end of described wireless chip U13 are all connected with one end of electric capacity C41 and VCC33 link, and the other end of electric capacity C41 and the GND of wireless chip U13 hold equal ground connection; The LNA end of wireless chip U13 is connected with one end of electric capacity C42, one end of inductance L 6, and the other end of electric capacity C42 is connected with one end of inductance L 5 and radio-frequency antenna RF1, the other end of inductance L 5 and the equal ground connection of the other end of inductance L 6; VDD3P3 end and the CHIP_EN end of wireless chip U13 are all connected with one end of electric capacity C43 and VCC33 link, the other end ground connection of electric capacity C43;
The VDDPST end of wireless chip U13 is connected with one end of electric capacity C44 and VCC33 link, the other end ground connection of electric capacity C44; The RES12K end of wireless chip U13 is connected with one end of resistance R39, and the other end of resistance R39 is by resistance R38 ground connection; The XTAL_IN end of wireless chip U13 holds with the CLKIO of crystal oscillator Y3 and one end of electric capacity C39 is connected, and the other end of electric capacity C39 and the GND of crystal oscillator Y3 hold equal ground connection, and the XTAL_OUT of wireless chip U13 holds and to hold with the CLK2 of crystal oscillator Y3 and electric capacity C40 holds and is connected.
Particularly, the U0TXD termination of wireless chip U13 receives the TXD signal of microcontroller, and the U0RXD termination of wireless chip U13 receives the RXD signal of microcontroller, and the operating frequency of crystal oscillator Y3 is 26M, and the EXT_RSTB termination of wireless chip U13 receives the RST signal of microcontroller.
As shown in Figure 8, described voice module comprises the audio power chip U6A that employing model is HT6818, the INL-end of audio power chip U6A is connected with one end of electric capacity C16, the INL+ end of audio power chip U6A is connected with one end of electric capacity C18, the other end ground connection of electric capacity C16, the other end of electric capacity C18 is connected with one end of one end of resistance R10 and electric capacity C17, the other end ground connection of resistance R10, and the other end of electric capacity C17 is connected with one end of resistance R11;
The ACRC end of audio power chip U6A is connected with one end of resistance R12 and one end of electric capacity C19, the one PVDD end of the other end of electric capacity C19 and the other end equal ground connection audio power chip U6A of resistance R12 is connected with one end of electric capacity C20, one end of resistance R15 and VCC33 link, the other end ground connection of electric capacity C20, the MUTE of the other end of resistance R15 and the collector electrode of triode Q1 and audio power chip U6A holds and is connected; The PGND of audio power chip U6A holds ground connection, the base terminal of triode Q1 is connected with one end of one end of resistance R14, electric capacity C21, the other end of electric capacity C21 and the emitter terminal ground connection of triode Q1, the other end of resistance R14 is connected with one end of resistance R13, and the other end of resistance R13 is connected with VCC50 link;
Audio power chip U6A /SDL end, AVDD end and/SDR hold all with one end of electric capacity C26, one end of electric capacity C27 and VCC33 link connect, the other end of electric capacity C26 and the equal ground connection of the other end of electric capacity C27, another PVDD of audio power chip U6A holds and is connected with one end of electric capacity C25 and VCC50 link, the other end ground connection of electric capacity C25, the G0 end of audio power chip U6A is connected with VCC50 link, the INR+ end of audio power chip U6A is connected with one end of electric capacity C23, the other end of electric capacity C23 is connected with one end of one end of electric capacity C24 and resistance R16, one end of electric capacity C24 is connected with one end of resistance R17, the other end ground connection of resistance R16, the INR-end of audio power chip U6A is connected with one end of electric capacity C22, the other end ground connection of electric capacity C22.
Particularly, the other end of resistance R11 forms Audio_L output, the other end of resistance R17 forms Audio_R output, the OUTL+ end of audio power chip U6A forms SPL+ output, the OUTR+ end of audio power chip U6A forms SPL+ end, and the OUTL-end of audio power chip U6A forms SPL-output, and the OUTR-end of audio power chip U6A forms SPR-output, the other end of resistance R14 receives the AMP-MUTE signal of microcontroller output, to realize controlling the amplification of voice signal.
As shown in Figure 5, described ultrasonic sensor adopts model to be the ultrasound chip U8 of HC-SR04, the VCC end of described ultrasound chip U8 is connected with VCC50 link, the Trig end of ultrasound chip U8 is connected with one end of resistance R29, the other end of resistance R29 is connected with the collector terminal of one end of resistance R28 and triode Q2, the other end of resistance R28 is connected with VCC50 link, the base terminal of triode Q2 and one end of resistance R27, one end of electric capacity C35 connects, the other end of electric capacity C35 and the equal ground connection of emitter terminal of triode Q2, the other end of resistance R27 is connected with one end of resistance R26 and the output of microcontroller, the other end of resistance R26 is connected with VCC33 link,
The Echo end of ultrasound chip U8 is connected with one end of resistance R30 and one end of resistance R31, the other end of resistance R30 is connected with VCC50 link, the other end of resistance R31 is connected with the base terminal of one end of electric capacity C36 and triode Q3, the other end of electric capacity C36 and the equal ground connection of emitter terminal of triode Q3, the collector terminal of triode Q3 is connected with one end of one end of resistance R32 and resistance R33, the other end of resistance R32 is connected with VCC33 link, the other end of resistance R33 is connected with the input of microcontroller, and the GND of ultrasound chip U8 holds ground connection.
Particularly, the ultrasound chip U8 range accuracy of HC-SR04 is adopted to reach high to 3mm; Carry out the contactless distance sensing function of 2cm to 400m.I/O port is adopted to communicate between ultrasound chip U8 with microcontroller, the Trig(trigger of ultrasound chip U8) termination receipts Trig control signal, after receiving Trig control signal, ultrasound chip U8 sends the square wave of 8 40KHZ automatically, and whether detection has signal to return automatically, once echo-signal detected, exporting response signal, by I/O port ECHO(radioecho) response signal exports a high level, and the pulse duration of response signal is directly proportional to surveyed distance.Therefore, the time that high level continues is exactly that ultrasonic wave is from transmitting signals to the time returned.During work, desk lamp is aimed at above books, and about 25cm highly monitors, if there are limbs to enter within the scope of this, namely can report to the police.Further, measuring distance=(the high level time * velocity of sound (340M/s))/2.
As shown in Figure 2, described LED constant current module employing model is the constant-current driven chip U7 of UC5710, the vdd terminal of described constant-current driven chip U7 is connected with VCC50 link, the DIM end of constant-current driven chip U7 is connected with the output of microcontroller, the CHI end of constant-current driven chip U7 is connected with the cathode terminal of light-emitting diode D1, the anode tap of light-emitting diode D1 is connected with the cathode terminal of light-emitting diode D2, the anode tap of light-emitting diode D2 is connected with the cathode terminal of light-emitting diode D3, the anode tap of light-emitting diode D3 and VCC12V link, one end of electric capacity C55, one end of electric capacity C56 and the anode tap of light-emitting diode D6 connect, the other end of electric capacity C55 and the equal ground connection of the other end of electric capacity C56, the cathode terminal of light-emitting diode D6 is connected with the anode tap of light-emitting diode D5, the cathode terminal of light-emitting diode D5 is connected with the anode tap of light-emitting diode D4, the cathode terminal of light-emitting diode D4 is held with the CH2 of constant-current driven chip U7 and is connected, the GND1 end of constant-current driven chip U7, GND2 holds equal ground connection, the Rext end of constant-current driven chip U7 is connected with one end of resistance R25, the other end ground connection of resistance R25.
Particularly, LED constant current module adopts white light LEDs, and described microcontroller sends pwm control signal to the DIM end of constant-current driven chip U7, and pwm control signal makes voltage and frequency coordination convert, thus realizes the brightness regulation of light.
The utility model not only from student health angle, automatic switch light source and brightness regulation, sitting posture adjust, remind with eye; From Students ' Learning angle, integrate and share education resource, by the Internet exchange message, sharing gains in depth of comprehension, achieving the intelligent desk lamp possessing social functions.
Claims (10)
1., with an intelligent desk lamp for social functions, comprise the LED constant current module for throwing light on and control the microcontroller of described LED constant current module luminance; It is characterized in that: described microcontroller is also connected with the data communication module that can carry out data interaction.
2. the intelligent desk lamp with social functions according to claim 1, is characterized in that: described microcontroller is also with the optical sensor for gathering light intensity, to be connected and ultrasonic sensor for human body sitting posture state connects for detecting the pyroelectric sensor whether having human body to exist.
3. the intelligent desk lamp with social functions according to claim 1, it is characterized in that: described microcontroller is connected with intelligent terminal by data communication module, described intelligent terminal comprises smart mobile phone, data communication module comprises touch-screen, bluetooth module and WIFI module, and microcontroller is also connected with voice module.
4. the intelligent desk lamp with social functions according to claim 3, it is characterized in that: the bluetooth module of described data communication module comprises the Bluetooth RF chip U11 that employing model is RDA5876, the VSS of described Bluetooth RF chip U11 holds ground connection, the UART_RX end of Bluetooth RF chip U11 is connected with microcontroller by resistance R44, the VIO end of Bluetooth RF chip U11 is connected with one end of magnetic bead FB2 and one end of electric capacity C46, the other end of magnetic bead FB2 is connected with VCC33 link, the other end ground connection of electric capacity C46; The VBAT end of Bluetooth RF chip U11 is connected with one end of one end of magnetic bead FB3, one end of electric capacity C47 and electric capacity C48, and the other end of magnetic bead FB3 is connected with VCC33 link, the other end of electric capacity C47 and the other end ground connection of electric capacity C48; The XIN end of Bluetooth RF chip U11 holds with the CLKIO of crystal oscillator Y2 and one end of electric capacity C49 is connected, the other end of electric capacity C49 and the GND of crystal oscillator Y2 hold equal ground connection, the XTAL end of Bluetooth RF chip U11 is held with one end of electric capacity C50 and the CLK2 of crystal oscillator Y2 and is connected, the other end ground connection of electric capacity C50; The LDO_ON end of Bluetooth RF chip U11 is connected with microcontroller by resistance R45;
The RF end of Bluetooth RF chip U11 is connected with one end of inductance L 2, one end of electric capacity C51, the other end ground connection of inductance L 2, the other end of electric capacity C51 is connected with one end of one end of electric capacity C52 and electric capacity C53, the other end ground connection of electric capacity C53, the other end of electric capacity C52 is connected with radio-frequency antenna RF2; The FM_IN end of Bluetooth RF chip U11, AGPIO1/BT_PRIORITY end, AGPIO0/BT_ACTIVE hold equal ground connection, the VOUT12 end of Bluetooth RF chip U11 is connected with one end of electric capacity C45, the other end ground connection of electric capacity C45, the UART_TX end of Bluetooth RF chip U11 is connected with microcontroller by resistance R43.
5. the intelligent desk lamp with social functions according to claim 4, it is characterized in that: the WIFI module of described data communication module comprises the wireless chip U13 that employing model is ESP8266, VDDA end, the VDDD end of described wireless chip U13 are all connected with one end of electric capacity C41 and VCC33 link, and the other end of electric capacity C41 and the GND of wireless chip U13 hold equal ground connection; The LNA end of wireless chip U13 is connected with one end of electric capacity C42, one end of inductance L 6, and the other end of electric capacity C42 is connected with one end of inductance L 5 and radio-frequency antenna RF1, the other end of inductance L 5 and the equal ground connection of the other end of inductance L 6; VDD3P3 end and the CHIP_EN end of wireless chip U13 are all connected with one end of electric capacity C43 and VCC33 link, the other end ground connection of electric capacity C43;
The VDDPST end of wireless chip U13 is connected with one end of electric capacity C44 and VCC33 link, the other end ground connection of electric capacity C44; The RES12K end of wireless chip U13 is connected with one end of resistance R39, and the other end of resistance R39 is by resistance R38 ground connection; The XTAL_IN end of wireless chip U13 holds with the CLKIO of crystal oscillator Y3 and one end of electric capacity C39 is connected, and the other end of electric capacity C39 and the GND of crystal oscillator Y3 hold equal ground connection, and the XTAL_OUT of wireless chip U13 holds and to hold with the CLK2 of crystal oscillator Y3 and electric capacity C40 holds and is connected.
6. the intelligent desk lamp with social functions according to claim 4, it is characterized in that: described voice module comprises the audio power chip U6A that employing model is HT6818, the INL-end of audio power chip U6A is connected with one end of electric capacity C16, the INL+ end of audio power chip U6A is connected with one end of electric capacity C18, the other end ground connection of electric capacity C16, the other end of electric capacity C18 is connected with one end of one end of resistance R10 and electric capacity C17, the other end ground connection of resistance R10, the other end of electric capacity C17 is connected with one end of resistance R11;
The ACRC end of audio power chip U6A is connected with one end of resistance R12 and one end of electric capacity C19, the one PVDD end of the other end of electric capacity C19 and the other end equal ground connection audio power chip U6A of resistance R12 is connected with one end of electric capacity C20, one end of resistance R15 and VCC33 link, the other end ground connection of electric capacity C20, the MUTE of the other end of resistance R15 and the collector electrode of triode Q1 and audio power chip U6A holds and is connected; The PGND of audio power chip U6A holds ground connection, the base terminal of triode Q1 is connected with one end of one end of resistance R14, electric capacity C21, the other end of electric capacity C21 and the emitter terminal ground connection of triode Q1, the other end of resistance R14 is connected with one end of resistance R13, and the other end of resistance R13 is connected with VCC50 link;
Audio power chip U6A /SDL end, AVDD end and/SDR hold all with one end of electric capacity C26, one end of electric capacity C27 and VCC33 link connect, the other end of electric capacity C26 and the equal ground connection of the other end of electric capacity C27, another PVDD of audio power chip U6A holds and is connected with one end of electric capacity C25 and VCC50 link, the other end ground connection of electric capacity C25, the G0 end of audio power chip U6A is connected with VCC50 link, the INR+ end of audio power chip U6A is connected with one end of electric capacity C23, the other end of electric capacity C23 is connected with one end of one end of electric capacity C24 and resistance R16, one end of electric capacity C24 is connected with one end of resistance R17, the other end ground connection of resistance R16, the INR-end of audio power chip U6A is connected with one end of electric capacity C22, the other end ground connection of electric capacity C22.
7. the intelligent desk lamp with social functions according to claim 1, is characterized in that: the power end of described microcontroller and the power end of LED constant current module are all connected with power module;
Described power module comprises voltage conversion chip U1, voltage conversion chip U2 and voltage conversion chip U3; Voltage conversion chip U1 adopts model to be the chip of PV0124W12V, voltage conversion chip U1 is connected with external power source by L end, N end, the VOUT end of voltage conversion chip U1 is held with the Vin of one end of electric capacity C1, one end of electric capacity C2 and voltage conversion chip U2 and is connected, the other end of electric capacity C1, the other end of electric capacity C2 and the GND of voltage conversion chip U1 hold equal ground connection, and the VOUT end of voltage conversion chip U1 forms VCC12V link simultaneously;
Voltage conversion chip U2 adopts model to be the chip of 78M05, the VIN of the Vout end of voltage conversion chip U2 and one end of one end of electric capacity C3, electric capacity C4, one end of electric capacity C54, one end of electric capacity C5 and voltage conversion chip U3 holds and is connected, the other end of the other end of electric capacity C3, the other end of electric capacity C4, electric capacity C54, the other end of electric capacity C5 and the GND of voltage conversion chip U2 hold equal ground connection, and the Vout end of voltage conversion chip U2 forms VCC50 link simultaneously;
Voltage conversion chip U3 adopts model to be the chip of XC6206A-3.3V, the VOUT end of voltage conversion chip U3 is connected with one end of electric capacity C6 and one end of electric capacity C7, the other end of electric capacity C6, the other end of electric capacity C7, the GND of voltage conversion chip U3 hold equal ground connection, and the VOUT of voltage conversion chip U3 holds formation VCC33 link simultaneously.
8. the intelligent desk lamp with social functions according to claim 2, it is characterized in that: described pyroelectric sensor employing model is the chip U10 of HC-SR501, the GND of chip U10 holds ground connection, the VCC end of chip U10 is connected with VCC50 link, the output of chip U10 is connected with one end of one end of resistance R34 and resistance R35, the other end of resistance R34 is connected with VCC50 link, the other end of resistance R35 is connected with one end of the base terminal of triode Q4 and electric capacity C37, the other end of electric capacity C37 and the equal ground connection of emitter terminal of triode Q4, the collector terminal of triode Q4 is connected with one end of one end of resistance R36 and resistance R37, the other end of resistance R36 is connected with VCC33 link, the other end of resistance R37 is connected with the input of microcontroller.
9. the intelligent desk lamp with social functions according to claim 2, it is characterized in that: described ultrasonic sensor adopts model to be the ultrasound chip U8 of HC-SR04, the VCC end of described ultrasound chip U8 is connected with VCC50 link, the Trig end of ultrasound chip U8 is connected with one end of resistance R29, the other end of resistance R29 is connected with the collector terminal of one end of resistance R28 and triode Q2, the other end of resistance R28 is connected with VCC50 link, the base terminal of triode Q2 and one end of resistance R27, one end of electric capacity C35 connects, the other end of electric capacity C35 and the equal ground connection of emitter terminal of triode Q2, the other end of resistance R27 is connected with one end of resistance R26 and the output of microcontroller, the other end of resistance R26 is connected with VCC33 link,
The Echo end of ultrasound chip U8 is connected with one end of resistance R30 and one end of resistance R31, the other end of resistance R30 is connected with VCC50 link, the other end of resistance R31 is connected with the base terminal of one end of electric capacity C36 and triode Q3, the other end of electric capacity C36 and the equal ground connection of emitter terminal of triode Q3, the collector terminal of triode Q3 is connected with one end of one end of resistance R32 and resistance R33, the other end of resistance R32 is connected with VCC33 link, the other end of resistance R33 is connected with the input of microcontroller, and the GND of ultrasound chip U8 holds ground connection.
10. the intelligent desk lamp with social functions according to claim 1, it is characterized in that: described LED constant current module employing model is the constant-current driven chip U7 of UC5710, the vdd terminal of described constant-current driven chip U7 is connected with VCC50 link, the DIM end of constant-current driven chip U7 is connected with the output of microcontroller, the CHI end of constant-current driven chip U7 is connected with the cathode terminal of light-emitting diode D1, the anode tap of light-emitting diode D1 is connected with the cathode terminal of light-emitting diode D2, the anode tap of light-emitting diode D2 is connected with the cathode terminal of light-emitting diode D3, the anode tap of light-emitting diode D3 and VCC12V link, one end of electric capacity C55, one end of electric capacity C56 and the anode tap of light-emitting diode D6 connect, the other end of electric capacity C55 and the equal ground connection of the other end of electric capacity C56, the cathode terminal of light-emitting diode D6 is connected with the anode tap of light-emitting diode D5, the cathode terminal of light-emitting diode D5 is connected with the anode tap of light-emitting diode D4, the cathode terminal of light-emitting diode D4 is held with the CH2 of constant-current driven chip U7 and is connected, the GND1 end of constant-current driven chip U7, GND2 holds equal ground connection, the Rext end of constant-current driven chip U7 is connected with one end of resistance R25, the other end ground connection of resistance R25.
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| CN201520338810.8U CN204634116U (en) | 2015-05-22 | 2015-05-22 | With the intelligent desk lamp of social functions |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104837277A (en) * | 2015-05-22 | 2015-08-12 | 无锡硅动力微电子股份有限公司 | Intelligent desk lamp with function of social contact |
| CN108834271A (en) * | 2018-05-10 | 2018-11-16 | 深圳市联芯互联科技有限公司 | A kind of myopia prevention desk lamp based on MEMS technology, monitoring terminal and system |
-
2015
- 2015-05-22 CN CN201520338810.8U patent/CN204634116U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104837277A (en) * | 2015-05-22 | 2015-08-12 | 无锡硅动力微电子股份有限公司 | Intelligent desk lamp with function of social contact |
| CN108834271A (en) * | 2018-05-10 | 2018-11-16 | 深圳市联芯互联科技有限公司 | A kind of myopia prevention desk lamp based on MEMS technology, monitoring terminal and system |
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