CN209526912U - A kind of solar desk lamp control circuit having a display function and solar energy desk lamp - Google Patents

A kind of solar desk lamp control circuit having a display function and solar energy desk lamp Download PDF

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Publication number
CN209526912U
CN209526912U CN201821554668.0U CN201821554668U CN209526912U CN 209526912 U CN209526912 U CN 209526912U CN 201821554668 U CN201821554668 U CN 201821554668U CN 209526912 U CN209526912 U CN 209526912U
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solar
control
circuit
desk lamp
light source
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Chinese (zh)
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柯钦怀
张华侨
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FUJIAN JOY SOLAR TECHNOLOGY Corp
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FUJIAN JOY SOLAR TECHNOLOGY Corp
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Abstract

It includes solar recharging and voltage regulating module, light source display control module and MCU micro controller module that the utility model, which provides a kind of solar desk lamp control circuit having a display function and solar energy desk lamp, control circuit,;The power end of the output end of solar recharging and voltage regulating module and MCU micro controller module couples;Several I/0 control ports of MCU micro controller module are coupled with several input terminals of light source display control module and output end respectively.A kind of solar desk lamp control circuit having a display function and solar energy desk lamp provided by the utility model, the rotation speed of light source is acquired by MCU and calculates the change frequency of light source light, and being realized in the way of programming has the characteristics that " persistence of vision " realizes the display to specific character and pattern content according to human eye to the accurate control of light variation pattern.Whole device, as main energy sources consumption, has the characteristics that energy conservation and environmental protection, low in cost and vdiverse in function using solar photovoltaic technology.

Description

A kind of solar desk lamp control circuit having a display function and solar energy desk lamp
Technical field
The utility model relates to solar energy power generating and lighting technical fields, in particular to a kind of having a display function Solar desk lamp control circuit and solar energy desk lamp.
Background technique
Desk lamp is widely used in household and outdoor location and makes as lighting apparatus as a kind of illuminator With solar energy desk lamp is consumed using solar photovoltaic technology as main energy sources, compared to using tradition AC power supply mode For desk lamp as main energy sources consumption, there is energy conservation and environmental protection, utilization rate of electrical is high, safe operation and low in cost etc. excellent Gesture is with a wide range of applications.
Current existing solar energy desk lamp only plays the role of illumination, and function is more single, the patent No. 201620909887, Date of publication is on August 19th, 2016, discloses outdoor solar energy desk lamp device, there are problems that not having light source display function. Therefore a kind of energy conservation and environmental protection, vdiverse in function is urgently designed, it is having a display function simultaneously with one kind of light source display function Solar desk lamp control circuit and solar energy desk lamp.
Utility model content
To solve the problems, such as " existing solar energy desk lamp exists and do not have light source display function " mentioned in background technique, The utility model provides a kind of solar desk lamp control circuit having a display function, comprising: solar recharging and voltage regulating module, Light source display control module and MCU micro controller module;Wherein,
The power end of the output end of the solar recharging and voltage regulating module and MCU micro controller module couples;The MCU Several I/O control ports of micro controller module and several input terminals of light source display control module couple;The light source is shown The I/O control port of the output end of control module and the MCU micro controller module couples.
Further, the solar recharging and voltage regulating module include solar charging circuit and voltage conversion circuit; The solar charging circuit includes solar panels;The positive terminal of the solar panels is passing through diode D1 and battery BAT just Extreme coupling;The negative pole end of the solar panels is coupled by capacitor C1 and ground wire;The positive terminal of the battery BAT passes through resistance R1 is coupled with control chip U1 with chip U2 is controlled respectively with chip U1 coupling, the negative pole end of the battery BAT is controlled;Capacitor C2 It is coupled with the control chip U1;The control chip U1 is coupled by resistance R2 and ground wire;The control chip U1 with it is described U2 is coupled;One end of switch S1 and the positive terminal of battery BAT couple, and the other end is defeated as the voltage of solar charging circuit Outlet BAT+ is coupled by capacitor C3 and ground wire.
Further, voltage conversion circuit includes control chip U3;The control chip U3 and solar charging circuit Voltage output end BAT+ coupling;Voltage output end VCC and control chip U3 coupling of the one end of capacitor C4 as voltage conversion circuit It connects;The other end and control chip U3 coupling after, then with ground wire couple.
Further, light source display control module includes drive control circuit and light source display circuit;The drive control It include motor M1 in circuit;One end of the motor M1 and the voltage output end BAT+ of solar charging circuit are coupled, the other end It is coupled with ground wire;The driving circuit further includes key K1;One end of the key K1 and the control in MCU micro controller module Chip U4 coupling, the other end and ground wire couple.
It further, include several LED light sources in light source display circuit, one end of several LED light sources uses common anode The connection type of pole is coupled by the voltage output end BAT+ of resistance R3 and solar charging circuit, and the other end is micro- with MCU respectively Control chip U4 coupling in controller module.
Further, the control chip U4 in the MCU micro controller module is defeated with the voltage of voltage conversion circuit respectively After outlet VCC and capacitor C5 coupling, the other end of capacitor C5 and control chip U4 coupling, then couple with ground wire.
In addition the utility model provides a kind of solar energy desk lamp having a display function, using as above any described one kind Solar desk lamp control circuit having a display function;It further include lamp body and control assembly;The control assembly includes display group Part and solar panels;The control assembly is arranged inside the lamp body.
Further, the lamp body includes lampshade, lamp bracket and lamp holder;Clamping groove: the lamp is equipped on the inside of the lampshade The first clamping step and the second clamping step are respectively equipped on frame and the lamp holder body;The lampshade, lamp bracket and lamp holder utilize The clamping structure that clamping groove, the first clamping step and the second clamping step being respectively equipped on its ontology are constituted carries out connection dress Match.
Further, the display component includes the first rotating vane and the second rotating vane;Second rotating vane Ontology is equipped with luminescence component;Circuit board is equipped with inside the display component;The circuit board is equipped with motor;The motor with The shaft that the lamp bracket is equipped with carries out connection assembly using associated mode;The lamp bracket ontology is equipped with solar panels;It is described Solar panels and the circuit board use electric connection mode.
Further, the lamp holder body is equipped with energy-storage travelling wave tube pedestal;It include energy-storage travelling wave tube, institute in the control assembly It states limit spring that energy-storage travelling wave tube is equipped with the energy-storage travelling wave tube pedestal and limit raised line shelves rib is joined using limit method Tipping is matched;The lamp holder body is equipped with light source switch;The energy-storage travelling wave tube and the light source switch respectively with the circuit board Using the mode of electric connection.
A kind of solar desk lamp control circuit having a display function provided by the utility model, compared to traditional sun Energy desk lamp increases lamps and lanterns display function, i.e., is shown using light source in MCU micro controller module acquisition light source display control module The speed of rotation of component, the speed according to its speed of rotation calculate the light of array light source in different moments light source display component Change frequency realizes the accurate control to light variation pattern by the way of programming, has " persistence of vision " according to human eye Feature realizes display to preset text and pattern, efficiently solve structure existing for traditional solar energy desk lamp it is single, Function is deficient and does not have the problem of light source display function.Whole device is using solar photovoltaic technology as main energy sources Consumption has energy conservation and environmental protection, the low feature of operation cost.
The utility model also provides a kind of solar energy desk lamp having a display function, and entire lamps and lanterns use design for disassembly, It effectively overcomes and there is a problem of that assembling and disassembly process are complicated and time-consuming on traditional solar desk modulated structure, make the group of lamps and lanterns It is more flexible convenient to fill and repair.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of solar desk lamp control circuit functional block diagram having a display function provided by the utility model;
Fig. 2 is solar recharging and voltage regulating module electric operation control circuit figure in Fig. 1;
Fig. 3 is the internal structure circuit diagram that chip U2 is controlled in Fig. 2;
Fig. 4 is the drive control circuit figure in Fig. 1 in light source display control module;
Fig. 5 is the light source display circuit figure in Fig. 1 in light source display control module;
Fig. 6 is MCU micro controller module electric operation control circuit figure in Fig. 1;
Fig. 7 is using super capacitor in Fig. 2 as in the solar recharging and voltage regulating module control circuit of energy-storage travelling wave tube Example diagram is preferably implemented in solar charging circuit
Fig. 8 is a kind of solar desk lamp group assembling structure explosive view having a display function provided by the utility model;
Fig. 9 is the package assembly explosive view of display component in Fig. 8.
Appended drawing reference:
110 lampshade, 111 clamping groove, 120 lamp bracket
121 first clamping 122 shaft of step, 130 lamp holders
131 second clamping 132 energy-storage travelling wave tube pedestal of step, 1321 limit springs
1322 limit 133 light source switch of raised line shelves rib, 210 display components
211 first rotating vane, 2,111 first card slot 2,112 first is clamped key
212 second rotating vane, 2121 luminescence component, 2122 lamp bead
2123 second card slots 2,124 second are clamped 2,125 second annular mounting groove of key
2126 carrier, 213 third card slot, 214 third is clamped key
215 axis hole, 220 solar panels, 230 circuit board
First annular 240 energy-storage travelling wave tube of mounting groove of 231 motor 232
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitations of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as instruction or Imply relative importance.
A kind of solar energy desk lamp having a display function provided by the utility model, as shown in Figure 1, comprising: solar charging Electricity and voltage regulating module, light source display control module and MCU micro controller module;
The power end of the output end of the solar recharging and voltage regulating module and MCU micro controller module couples;The MCU Several I/0 control ports of micro controller module and several input terminals of light source display control module couple;The light source is shown The I/O control port of the output end of control module and the MCU micro controller module couples.
When it is implemented, as shown in Figure 1, first by preset picture to be shown and text information in the utility model It is deposited into the SRAM of MCU microcontroller, light source in MCU micro controller module acquisition light source display control module is recycled to show The speed of rotation of component, the speed according to its speed of rotation calculate array light source light in different moments light source display component and become The frequency of change, realizes the dynamic scan to array light source by the way of programming, and by the state position information of each light source and When feed back to MCU microcontroller, the accurate control of each light source unlatching/closing to different location is realized with this, is utilized simultaneously The characteristics of " persistence of vision " that human eye has, realizes the display to specific character and pattern content.
Further, since the operating voltage of MCU micro controller module is 3.3v, it is therefore desirable to using voltage conversion circuit to too The output voltage of positive energy charging circuit carries out voltage conversion.Whole device is using solar photovoltaic technology as main energy sources Consumption, daytime are charged using the solar charging circuit in solar recharging and voltage regulating module to energy-storage travelling wave tube, night energy storage member Part provides electric energy for light source, and the efficient utilization of the energy is realized with this.
A kind of solar desk lamp control circuit having a display function provided by the utility model, compared to traditional sun Energy desk lamp increases lamps and lanterns display function, i.e., is shown using light source in MCU micro controller module acquisition light source display control module The speed of rotation of component, the speed according to its speed of rotation calculate the light of array light source in different moments light source display component Change frequency realizes the accurate control to light variation pattern by the way of programming, has " persistence of vision " according to human eye Feature realizes display to preset text and pattern, efficiently solve structure existing for traditional solar energy desk lamp it is single, Function is deficient and does not have the problem of light source display function.Whole device is using solar photovoltaic technology as main energy sources Consumption has energy conservation and environmental protection, the low feature of operation cost.
The utility model also provides a kind of solar energy desk lamp having a display function, and entire lamps and lanterns use design for disassembly, It effectively overcomes and there is a problem of that assembling and disassembly process are complicated and time-consuming on traditional solar desk modulated structure, make the group of lamps and lanterns It is more flexible convenient to fill and repair.
Preferably, the solar recharging and voltage regulating module include solar charging circuit and voltage conversion circuit;Institute It states solar recharging and voltage regulating module includes solar charging circuit and voltage conversion circuit;The solar charging circuit packet Include solar panels;The positive terminal of the solar panels is coupled by the positive terminal of diode D1 and battery BAT;The solar panels Negative pole end coupled by capacitor C1 and ground wire;The positive terminal of the battery BAT passes through resistance R1 and control chip U1 coupling, institute The negative pole end for stating battery BAT is coupled with control chip U1 and control chip U2 respectively;The capacitor C2 and control chip U1 is coupled; The control chip U1 is coupled by resistance R2 and ground wire;The control chip U1 and U2 is coupled;The one of switch S1 End is coupled with the positive terminal of battery BAT, the other end as solar charging circuit voltage output end BAT+ by capacitor C3 and Ground wire coupling.
When it is implemented, as shown in Fig. 2, the solar recharging and voltage regulating module include solar charging circuit and electricity Voltage conversion circuit;The solar charging circuit includes solar panels;If energy-storage travelling wave tube is lithium battery, to avoid lithium battery because anti- It fills phenomenon and subsequent conditioning circuit is damaged, need to couple between the positive terminal of solar panels and the positive terminal of lithium battery BAT One anti-reverse charging diode D1.To reduce the pulse ripple coefficient for the current or voltage that power supply exports, filtering out the exchange in circuit With the moment overload capacity of higher harmonic component and raising power supply output, the coupling between the negative pole end and ground wire of solar panels is needed Meet a filter capacitor C1.Simultaneously for avoid lithium battery BAT because overcharge, overdischarge and electric current it is excessive due to lead to battery life Shortening or cell damage, need to design a lithium battery protection circuit, as shown in Fig. 2, controlling core in lithium battery protection circuit Piece U1 uses DW01A chip, which is integrated with high-accuracy voltage detection and time delay circuit, and has operating voltage The features such as low and overcurrent protection resets.The positive terminal of lithium battery BAT passes through the positive electricity source pin VDD of resistance R1 and DW01A chip Coupling, the negative pole end of lithium battery BAT and the negative electricity source pin VSS of DW01A chip are coupled.For the electric current or electricity for reducing power supply output The pulse ripple coefficient of pressure, the moment overload energy for filtering out exchange in circuit and higher harmonic component and improving power supply output Power needs to couple a filter capacitor C2 between the positive electricity source pin VDD and negative electricity source pin VSS of DW01A chip.
Further, Li battery protection IC DW01 needs to concatenate when in use two N-type switch mosfet pipes, with this reality Now to lithium battery electric discharge, overcharge and short circuit protection control.Two of them N-type switch mosfet pipe uses integrated control chip U2 Substitution, control chip U2 are 8205A chip, which is integrated with two N-type switch mosfet pipe M1 and M2 such as Fig. 3 institutes Show, be respectively coupled between the source S 1 and S2 and drain D 11 and D22 of two of them switching tube M1 and M2 a diode DM1 and The drain D 11 and D22 of DM2, switching tube M1 and M2 couple.The grid G 1 of M1 switching tube and li-ion cell protection core in 8205A chip The discharge control FET thresholding connection pin OD coupling of piece DW01;The grid G 2 and li-ion cell protection of M1 switching tube in 8205A chip The charge control FEL connection pin OC of chip DW01 is coupled;The source S 1 of M1 switching tube is with lithium battery BAT's in 8205A chip Negative pole end coupling;The source S 2 of M2 switching tube passes through the electric current sense of resistance R2 and Li battery protection IC DW01 in 8205A chip Answer input pin (i.e. charger detection) CS I couple after, then with ground wire couple.
Further, if the supply voltage VDD (i.e. the output voltage of lithium battery BAT) of Li battery protection IC DW01 between It over-discharge electro-detection voltage VODP and overcharges between electro-detection voltage VOCP, and the voltage VCS I of electric current induction input pin CS I It is detected between voltage VCHA and the detection of overcurrent 1 voltage VOI 1 between charger, then in control chip U2 (i.e. 8205A chip) Two switching tube M1 and M2 are opened, and lithium battery BAT, which is in be charged and discharged, at this time is normally carried out state.When lithium battery BAT into When entering charged state, the voltage value of lithium battery BAT can be detected by the supply voltage pin VDD of DW01A chip, when VDD draws The voltage value of foot, which is greater than, overcharges electro-detection voltage VOCP value, and when the charging delay time overcharges electro-detection delay time TOC, The switching tube M2 controlled in chip 8205A is closed.If needing to release charged state into after charged state and entering normal condition When, it needs to be closed the switch S1 with the coupling of lithium battery BAT anode, so that lithium battery BAT is in self discharge state, as lithium battery BAT After self discharge, when detecting that its voltage value is lower than the overcharge release voltage VOCR of Li battery protection IC DW01A, control Switching tube M2 in chip 8205A is opened, and lithium battery BAT backs within normal mode of operation at this time.
It further, is that can pass through detection VDD pin when lithium battery BAT enters discharge mode by normal mode Whether voltage value is less than over-discharge electro-detection voltage VODP, and whether the delay time of discharging is more than over-discharge electro-detection delay time TOD, The switching tube M1 in control chip 8205A is closed if being more than.In the normal mode, if the discharge current of lithium battery BAT is excessive When, need the voltage VCSI for incuding input pin CSI to electric current to detect, and judge whether its voltage value is greater than overcurrent 1 It detects voltage VOI1 or overcurrent 2 detects voltage VOI2, while detecting whether the lithium battery BAT electric discharge delay time is greater than overcurrent 1 detection delay time TOI1 or overcurrent 2 detect delay time TOI2, if so, representing lithium battery BAT at this time is in short-circuit shape State, CSI pin passes through non-essential resistance R2 and electricity while needing to carry out closing processing to the switching tube M1 in control chip 8205A The negative pole end (or ground wire) in source couples.When lithium battery BAT protection circuit is in over-current state, normal shape is if desired returned to State needs to remove load or the resistance between battery plus-negative plate is adjusted to 500k Ω or more, while also to guarantee electric current The voltage VCSI for incuding input pin CSI detects voltage VOI1 lower than overcurrent 1, then opens the switch in control chip 8205A Pipe M1, i.e. lithium battery BAT are back to normal condition.
In addition, overcurrent electrical measurement voltage described in above-mentioned statement refers between electric current induction input pin CS I and ground wire Voltage Vo i, the voltage battery parameter value need and control the Rdson electric conduction between two switching tubes M1 and M2 in chip 8205A The resistance value of resistance converts, and can just obtain its overcurrent value Ioi, i.e. loi=Voi/ (RdsonM1+RdsonM2).
Further, the utility model according to super capacitor as energy-storage travelling wave tube, then solar charging circuit such as Fig. 7 institute Show, the charge controlling chip U1 in solar charging circuit uses LTM8052 chip, which is two quadrant constant pressure and flows (CVCC) voltage-dropping type μM odule voltage-stablizer, built-in chip type have switch controller, inductor and supporting assembly, and the voltage of chip is defeated Entering range is 6v-36v, voltage output range 1.2v-24v, and output current limit value can be by control voltage, an electricity Resistance or thermistor are set, which charges for super capacitor and cell equalization.
Further, as shown in fig. 7, the voltage input VIN pin of the charge controlling chip U1 respectively with resistance R1 and The positive terminal of solar panels couples;The negative pole end of solar panels is coupled by capacitor C4 and ground wire, for the electricity for reducing power supply output The pulse ripple coefficient of stream or voltage filters out exchange in circuit and higher harmonic component and improves the moment mistake of power supply output Loading capability needs to couple a filter capacitor C4 between solar panels and ground wire.The other end of resistance R1 and the charging are adjusted The enabled pin RUN coupling of section control chip U1, the pin are the enabled pin of chip, while can be realized accurate low pressure lock Determine function, when the charging current of RUN pin input is lower than 100 μ A, can by the pull-up resistor R1 that is arranged on the pin into Row is adjusted, and draws high its voltage value.One end of the PLC technology pin RT and resistance R2 of the charge controlling chip U1 couple, institute The other end and ground wire for stating resistance R2 couple, and by concatenating a resistance between pin RT and ground wire, realize that utilization can with this The mode of programming controls the switching frequency of LTM8052 chip, and chip interior is equipped with a switching function and switches table, passes through change Resistance value realizes the switching to LTM8052 internal switching frequency.
Further, the maximum pressure stabilizing control pin CTL_I and CTL_T and reference voltage of the U1 of the charge controlling chip Pin VREF three couples, and LTM8052 chip has output electric current attributive function, which can use in maximum pressure stabilizing A resistance or a thermistor are coupled on control pin CTL_T to set, wherein pin CTL_T and pin CTL_I be most Big control voltage is 1.5V, if not using the function, by pin CTL_T and pin CTL_I and reference voltage VREF pin Coupling.VREF is as internal reference voltage pin, when the voltage value of input voltage pin VIN is higher than 6v and enabled pin RUN is When high level, reference voltage pin VREF starting, and 2v internal reference voltage is provided.
Further, the power supply output pin VOUT of the charge controlling chip U1 respectively with capacitor C2 and super capacitor C3 Coupling;The other end and ground wire of the capacitor C2 and super capacitor C3 couple, for reduce power supply output pin VOUT electric current or The pulse ripple coefficient of voltage, the moment overload energy for filtering out exchange in circuit and higher harmonic component and improving power supply output Power needs to couple a filter capacitor C2 between out-put supply and ground wire.The ADJ pin of the U1 of the charge controlling chip with One end of resistance R3 couples;The other end and ground wire of the resistance R3 couples, by coupling an electricity between ADJ pin and ground wire R3 is hindered to be used to the voltage value of ADJ pin modulating 1.19v.The Frequency Synchronization pin SYNC of the U1 of the charge controlling chip with connect Ground pin is coupled with ground wire respectively, is controlled using SYNC pin and is realized that chip interior switching frequency is synchronous with external clock, this It does not need to use this kind of function in design, therefore the pin is subjected to grounding.
Preferably, voltage conversion circuit includes control chip U3;The electricity of control the chip U3 and solar charging circuit Press output end BAT+ coupling;Voltage output end VCC and control chip U3 coupling of the one end of capacitor C4 as voltage conversion circuit; The other end and control chip U3 coupling after, then with ground wire couple.
When it is implemented, as shown in Fig. 2, since the operating voltage of MCU micro controller module is 3.3v, and solar recharging The operating voltage of the output voltage VBAT+ and MCU of circuit mismatch, and can not directly power to MCU micro controller module, therefore need Carry out voltage conversion.Voltage conversion and control chip U2 uses GF9901 series low drop voltage voltage-stablizer in voltage conversion circuit Chip, which is a with high Ripple Suppression rate, low-power consumption, low voltage difference, simultaneously with overcurrent and short-circuit protection function CMOS voltage-dropping type Voltagre regulator.The chip has lower quiescent bias current, in the minimum feelings of input, output voltage difference Under condition, it is still able to maintain good regulation.The voltage input pin VI N and solar charging of voltage conversion and control chip GF9901 The voltage output end BAT+ of circuit is coupled;To reduce the pulse ripple coefficient for the current or voltage that power supply exports, filtering out circuit In exchange and higher harmonic component and improve power supply output moment overload capacity, need in voltage conversion and control chip Between the voltage input pin VI N and ground wire of GF9901, the voltage output pin VOUT of voltage conversion and control chip GF9901 and ground Filter capacitor a C3 and C4 are respectively coupled between line.Daytime, solar panels were according to photoelectric effect principle, the energy that sunlight is irradiated Amount is converted into electric energy and charges to energy-storage travelling wave tube, and switch S1 is in an off state at this time, i.e. subsequent voltage conversion circuit, light source Display control module and MCU module are in off position.Night solar panels stop charging to energy-storage travelling wave tube, and switch S1 is in Closed state, the work for subsequent conditioning circuit and module provide electric energy.
Preferably, light source display control module includes drive control circuit and light source display circuit;The drive control electricity It include motor M1 in road;The voltage output end BAT+ of one end of the motor M1 and solar charging circuit is coupled, the other end with Ground wire coupling;The driving circuit further includes key K1;One end of the key K1 and the control core in MCU micro controller module Piece U4 coupling, the other end and ground wire couple.
It preferably, include several LED light sources in light source display circuit, one end of several LED light sources uses common-anode Connection type coupled by the voltage output end BAT+ of resistance R3 and solar charging circuit, the other end respectively with MCU micro-control Control chip U4 coupling in device module processed.
Preferably, the control chip U4 in the MCU micro controller module respectively with the voltage output of voltage conversion circuit Hold VCC and capacitor C5 coupling, the other end of the capacitor C5 and the control chip U4 coupling after, then with ground wire coupling.
When it is implemented, as shown in figure 4, the light source display control module includes drive control circuit and light source display electricity Road;It wherein include key control circuit and motor-drive circuit in driving circuit.The key control circuit controls solar desk The output voltage VBAT+ of solar charging circuit is converted into 3.3v by unlatching/closing of lamp, closure switch S1 voltage conversion circuit It powers to MCU control module, wherein MCU controls chip and uses HT66F004 chip, the key K1 in the control button circuit One end and the PC1 foot of HT66F004 chip couple, include several LED point light sources in the light source display circuit, such as Fig. 5 institute Show, after several LED point light sources are coupled together by the way of common-anode, then passes through driving protective resistance R3 and solar recharging The voltage output end BAT+ (i.e. the voltage output end of energy-storage travelling wave tube) of circuit is coupled;The other end of several LED point light sources respectively with PA0-PA7 the and PB0-PB2 pin of HT66F004 chip couples.When MCU microcontroller chip HT66F004 detects key After K1 is pressed, while energy-storage travelling wave tube is powered to motor M1, and motor M1 drives the rotation of light source display component, wherein light source display component On be provided with several LED point light sources, MCU microcontroller chip HT66F004 is realized by the way of programming to each LED point light The dynamic scan in source by acquiring the speed of rotation of light source display component, while calculating not according to the speed of its speed of rotation The change frequency and location status information of each LED point light source light in the same time, foundation are stored in advance in HT66F004 chip Particular picture and text information in SRAM are accurately controlled unlatching/closing of LED point light source different moments and different location, The characteristics of " persistence of vision " that has simultaneously according to human eye, realizes the display to specific character and pictorial information.
Further, as shown in fig. 6, to reduce the pulse ripple coefficient of the current or voltage of power supply output, filtering out circuit In exchange and higher harmonic component and improve power supply output moment overload capacity, need the positive electricity in HT66F004 chip A filter capacitor C5 is coupled between pressure input pin VDD/AVDD and positive voltage input pin VSS/AVSS.
In addition, if desired Display of Chinese characters information, then the quantity of LED point light source has to be larger than 11, because Display of Chinese characters Basic minimum dot matrix number is 11 × 11, if the dot matrix number of light source less than 11 × 11, is only capable of displaying English and number, can not be shown Chinese character information.
In addition the utility model provides a kind of solar energy desk lamp having a display function, had using as above any described The solar desk lamp control circuit of display function;It further include lamp body and control assembly;The control assembly includes display component 210 And solar panels 220;The control assembly is arranged inside the lamp body.
When it is implemented, the control assembly includes aobvious as shown in figure 8, whole device is made of lamp body and control assembly Show component 210 and solar panels 220;And the control assembly is arranged inside to the lamp body.Wherein display component 210 is equipped with Several illuminating sources, Control Items 210 rotate in the way of programming, are calculated according to the rotation speed of display component 210 The light change frequency of illuminating source out realized in different moments by program to the accurate control of illuminating source unlatching/closing, Have the characteristics that " persistence of vision " realizes the display to specific character and pattern content using human eye.Whole device uses solar energy Photovoltaic power generation technology is consumed as main energy sources, has the characteristics that energy conservation and environmental protection, low in cost and energy utilization rate are high.
Preferably, the lamp body includes lampshade 110, lamp bracket 120 and lamp holder 130;Clamping is equipped on the inside of the lampshade 110 Slot 111: the lamp bracket 120 is equipped with the first clamping step 121 and the second clamping step 131 with 130 ontology of lamp holder;It is described Lampshade 110, lamp bracket 120 and lamp holder 130 are clamped step 121 and second using the clamping groove 111, first being respectively equipped on its ontology The clamping structure that clamping step 131 is constituted carries out connection assembly.
Preferably, the display component 210 includes the first rotating vane 211 and the second rotating vane 212;Second rotation 212 ontology of rotating vane piece is equipped with luminescence component 2121;Circuit board 230 is equipped with inside the display component;On the circuit board 230 Equipped with motor 231;The motor 231 carries out coupling assembly with the shaft 122 that the lamp bracket 120 is equipped with using associated mode; 120 ontology of lamp bracket is equipped with solar panels 220;The solar panels 220 use electric connection side with the circuit board 230 Formula.
When it is implemented, as shown in figure 8, the lamp body includes lampshade 110, lamp bracket 120 and lamp holder 130, benefit between three Assembly is attached with clamping structure.Wherein the lampshade 110 using polymetylmethacrylate, polystyrene PS and gathers At least one of carbonic ester PC acrylic leaded light plate is made;And/or the lampshade 110 uses polypropylene (PP), polychlorostyrene second Alkene (PVC), polystyrene (PS), acrylonitrile styrene copolymer (SAN), transparent ABS, ethylene glycol terephthalate (PET), At least one clear sheet of polycarbonate (PC), organic glass (PMMA) is made.
Further, as shown in figure 9, the display component 210 is made of structure A, structure B and structure C three parts, Middle structure A is the front of display component 210, and structure B is the middle part of display component 210, and structure C is the rear portion of display component 210, The display component 210 is assembled by structure A, structure B and structure C.Wherein the first rotating vane 211 and second in structure A 212 ontology of rotating vane is equipped with several first card slots 2111 and the second card slot 2123;Several first card slots 2111 and Two draw-in groove 2123 respectively be on 212 ontology of the first rotating vane 211 and the second rotating vane in structure C have it is several first card Key 2112 is connect to carry out coupling assembly using snap fit with the second clamping key 2124.
Further, as shown in figure 9, being equipped with first on the structure A of 210 body interior of the display component and structure C Annular mounting groove 232, the circuit board 230 carry out coupling assembly using machanical fastener with the first annular mounting groove 232. Wherein the first annular mounting groove 232 described in structure A is surrounded by several third card slots 213;Several third card slots 213 It carries out coupling dress using snap fit with the third clamping key 214 that first annular mounting groove 232 is surrounded by described in structure C Match.Axis hole 215 is equipped on the downside of the first annular mounting groove 232;The shaft 122 on axis hole 215 and circuit board 230 by setting Some motors 231 are fixedly connected assembly in the way of grafting etc..
Further, as shown in figure 9, being equipped with the second annular in the structure A of second rotating vane 212 and structure C Mounting groove 2125, the luminescence component 2121 carry out coupling dress using machanical fastener with second annular mounting groove 2125 Match.The luminescence component 2121 is made of carrier 2126 and several lamp beads 2122, wherein the carrier 2126 using soft light bar and At least one of hard lamp bar substitution, wherein the carrier 2126 of hard lamp bar uses in pcb board, aluminum substrate and glass mat extremely A kind of few material is made, and the carrier 2126 of soft light bar is made of FCP plate.The lamp bead 2122 mostly uses LED lamp bead to constitute, LED lamp bead is attached to 2126 surface of carrier using welding or encapsulating glue using at least one of straight cutting and SMD Surface Mount mode. At least one of epoxy resin and silica gel encapsulant substitution can be used in encapsulation glue.Wherein lamp bead 2122 can be used 2835, 3014, in 3528,5630 and 5050 any one model substitution.
Further, as shown in figure 9, the circuit board 230 is equipped with motor 231;The motor 231 and the circuit board 230 are electrical connected, wherein the motor 231 be direct current generator, it is same from state angle motor, stepper motor, shaft encode motor, induction Walk at least one of motor substitution.
Preferably, 130 ontology of lamp holder is equipped with energy-storage travelling wave tube pedestal 132;It include energy storage member in the control assembly Part 240, the limit spring 1321 and limit raised line shelves rib that the energy-storage travelling wave tube 240 is equipped with the energy-storage travelling wave tube pedestal 132 1322 carry out connection assembly using limit method;130 ontology of lamp holder is equipped with light source switch 133;The energy-storage travelling wave tube 240 Electric connection mode is used with the circuit board 230 respectively with the light source switch 133.
When it is implemented, as shown in figure 8,130 ontology of the lamp holder is equipped with energy-storage travelling wave tube pedestal 132;Energy-storage travelling wave tube 240 Crimped by the way of limit inside energy-storage travelling wave tube pedestal 132, the energy-storage travelling wave tube 240 respectively with the solar panels 220 It is electrically connected with the circuit board 230.Daytime, solar panels 220 the lampshade 110 made of transparent material received sunlight, It converts solar energy into electric energy using photoelectric effect principle to charge to energy-storage travelling wave tube 240, night energy-storage travelling wave tube 240 is display component 210 provide electric energy, and display component 210 rotates under the action of motor 231 is with shaft 122, according to the rotation of display component 210 Rotary speed calculates the light change frequency of illuminating source, realizes different moments to illuminating source unlatching/closing by program Accurate control has the characteristics that " persistence of vision " realizes the display to specific character and pattern content using human eye.
In addition, the energy-storage travelling wave tube 240 is at least one of battery, lithium battery, super capacitor and superconducting component.
Although more herein used such as lamp body, control assembly, lampshade, clamping groove, lamp holder, the first clamping platform Rank, shaft, lamp bracket, the second clamping step, energy-storage travelling wave tube pedestal, limit spring, limit raised line shelves rib, light source switch, display group Part, the first rotating vane, the first card slot, the first clamping key, the second rotating vane, luminescence component, lamp bead, the second card slot, second Annular mounting groove, carrier, third card slot, third clamping key, axis hole, solar panels, circuit board, motor, first annular mounting groove, The terms such as energy-storage travelling wave tube, but it does not exclude the possibility of using other terms.The use of these items is only for more easily Describe and explain the essence of the utility model;It is construed as any additional limitation all and is and the spirit of the present invention It disagrees.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System;Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of solar desk lamp control circuit having a display function, it is characterised in that: including solar recharging and pressure regulation mould Block, light source display control module and MCU micro controller module;
The power end of the output end of the solar recharging and voltage regulating module and MCU micro controller module couples;The MCU micro-control Several I/0 control ports of device module processed and several input terminals of light source display control module couple;The light source display control The I/O control port of the output end of module and the MCU micro controller module couples.
2. a kind of solar desk lamp control circuit having a display function according to claim 1, it is characterised in that: described Solar recharging and voltage regulating module include solar charging circuit and voltage conversion circuit;The solar charging circuit includes Solar panels;The positive terminal of the solar panels is coupled by the positive terminal of diode D1 and battery BAT;The solar panels Negative pole end is coupled by capacitor C1 and ground wire;The positive terminal of the battery BAT is described by resistance R1 and control chip U1 coupling The negative pole end of battery BAT is coupled with control chip U1 and control chip U2 respectively;The capacitor C2 and control chip U1 is coupled;Institute Control chip U1 is stated to couple by resistance R2 and ground wire;The control chip U1 and U2 is coupled;One end of switch S1 It is coupled with the positive terminal of battery BAT, the other end passes through capacitor C3 and ground as the voltage output end BAT+ of solar charging circuit Line coupling.
3. a kind of solar desk lamp control circuit having a display function according to claim 2, it is characterised in that: voltage Conversion circuit includes control chip U3;The voltage output end BAT+ of the control chip U3 and solar charging circuit is coupled;Electricity Hold voltage output end VCC and control chip U3 coupling of the one end of C4 as voltage conversion circuit;The other end and control chip U3 After coupling, then with ground wire couple.
4. a kind of solar desk lamp control circuit having a display function according to claim 1, it is characterised in that: light source Display control module includes drive control circuit and light source display circuit;It include motor M1 in the drive control circuit;It is described One end of motor M1 and the voltage output end BAT+ of solar charging circuit are coupled, and the other end and ground wire couple;The driving control Circuit processed further includes key K1;One end of the key K1 and the control chip U4 in MCU micro controller module are coupled, the other end It is coupled with ground wire.
5. a kind of solar desk lamp control circuit having a display function according to claim 4, it is characterised in that: light source It include several LED light sources in display circuit, one end of several LED light sources passes through resistance R3 using the connection type of common-anode Coupled with the voltage output end BAT+ of solar charging circuit, the other end respectively with the control chip in MCU micro controller module U4 coupling.
6. a kind of solar desk lamp control circuit having a display function according to claim 1, it is characterised in that: described Control chip U4 in MCU micro controller module is coupled with the voltage output end VCC of voltage conversion circuit and capacitor C5 respectively, institute State capacitor C5 the other end and the control chip U4 coupling after, then with ground wire coupling.
7. a kind of solar energy desk lamp having a display function, it is characterised in that: use tool as claimed in any one of claims 1 to 6 There is the solar desk lamp control circuit of display function;It further include lamp body and control assembly;The control assembly includes display component (210) and solar panels (220);The control assembly is arranged inside the lamp body.
8. a kind of solar energy desk lamp having a display function according to claim 7, it is characterised in that: the lamp body includes Lampshade (110), lamp bracket (120) and lamp holder (130);Clamping groove (111) are equipped on the inside of the lampshade (110): the lamp bracket (120) and on the lamp holder (130) ontology the first clamping step (121) and the second clamping step (131) are respectively equipped with;The lamp It covers (110), lamp bracket (120) and lamp holder (130) and utilizes the clamping groove (111) being respectively equipped on its ontology, the first clamping step (121) and the clamping structure of the second clamping step (131) composition carries out connection assembly.
9. a kind of solar energy desk lamp having a display function according to claim 8, it is characterised in that: the display component It (210) include the first rotating vane (211) and the second rotating vane (212);Second rotating vane (212) ontology is equipped with Luminescence component (2121);Circuit board (230) are equipped with inside the display component (210);The circuit board (230) is equipped with motor (231);The motor (231) carries out coupling assembly with the shaft (122) that the lamp bracket (120) is equipped with using associated mode; Lamp bracket (120) ontology is equipped with solar panels (220);The solar panels (220) and the circuit board (230) are using electricity Property connection type.
10. a kind of solar energy desk lamp having a display function according to claim 9, it is characterised in that: the lamp holder (130) ontology is equipped with energy-storage travelling wave tube pedestal (132);It include energy-storage travelling wave tube (240), the energy-storage travelling wave tube in the control assembly (240) limit spring (1321) being equipped with the energy-storage travelling wave tube pedestal (132) and limit raised line shelves rib (1322) are using limit Position mode carries out connection assembly;Lamp holder (130) ontology is equipped with light source switch (133);The energy-storage travelling wave tube (240) and institute Light source switch (133) is stated respectively with the circuit board (230) using electric connection mode.
CN201821554668.0U 2018-09-25 2018-09-25 A kind of solar desk lamp control circuit having a display function and solar energy desk lamp Active CN209526912U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821554668.0U CN209526912U (en) 2018-09-25 2018-09-25 A kind of solar desk lamp control circuit having a display function and solar energy desk lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821554668.0U CN209526912U (en) 2018-09-25 2018-09-25 A kind of solar desk lamp control circuit having a display function and solar energy desk lamp

Publications (1)

Publication Number Publication Date
CN209526912U true CN209526912U (en) 2019-10-22

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