CN203563244U - Lighting equipment - Google Patents
Lighting equipment Download PDFInfo
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- CN203563244U CN203563244U CN201320740656.8U CN201320740656U CN203563244U CN 203563244 U CN203563244 U CN 203563244U CN 201320740656 U CN201320740656 U CN 201320740656U CN 203563244 U CN203563244 U CN 203563244U
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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 discloses lighting equipment, which comprises a dimming device. The dimming device comprises a control switch and the control switch comprises an analog clock dial plate, a rotatable pointer, a potentiometer and a switch knob. The potentiometer comprises a switch resistor and a mobile contact. The pointer is connected with the mobile contact. The analog clock dial plate is provided with scales and the pointer is arranged on the analog clock dial plate. The resistance value between the mobile contact and the first/second fixed end of the switch resistor is determined by means of a scale pointed by the pointer. According to the technical scheme of the utility model, the control switch of the dimming device of the lighting equipment is provided with the clock pointer and the clock scales. In this way, not only the state of the lighting equipment can be visually known, but also the input voltage/current signal of the dimming device can be precisely controlled. Therefore, the color temperature of the lighting equipment can be adjusted.
Description
Technical field
The utility model relates to the technical field of lighting apparatus, relates in particular to a kind of lighting apparatus.
Background technology
The brightness regulation of conventional illumination device normally realizes by a knob or two buttons of brightness increase and decrease, along with improving constantly of people's demand, people to the functional requirement of lighting apparatus also in continuous increase, the color that light is sent has had requirement, so there is the lighting apparatus of adjustable color temperature, so-called colour temperature is exactly the color component that is used for specially measuring light.
At present, a lot of lighting apparatus on the market, the function that has colour temperature to regulate, but manyly with a knob or many two buttons, realize colour temperature adjusting.This mode complicated operation, use very inconvenient, and user is familiar with intuitively to colour temperature and brightness neither one, regulate a suitable colour temperature and brightness also often to spend a large amount of time and efforts, and the colour temperature regulating and brightness uncertain suitable.
Utility model content
The purpose of this utility model is to propose a kind of lighting apparatus, solves above technical problem.
For reaching this object, the utility model by the following technical solutions:
The utility model provides a kind of lighting apparatus, comprises light modulating device, and described light modulating device comprises control switch, and described control switch comprises simulated clock simulation clock dial plate, rotating pointer, potentiometer and switching knob;
Described potentiometer comprises switch resistance and current collector, described switch resistance comprises switch resistance the first stiff end and switch resistance the second stiff end, described current collector contacts with described switch resistance, and can between described switch resistance the first stiff end and described switch resistance the second stiff end, move;
Described pointer connects described current collector, described switching knob and described pointer are rotationally connected, the described pointer that rotarily drives of described switching knob rotates, and described pointer rotates and drives described current collector to move between described switch resistance the first stiff end and described switch resistance the second stiff end;
On described simulated clock simulation clock dial plate, be provided with scale, described pointer is arranged on described simulated clock simulation clock dial plate, by the scale of described pointed, determines the resistance value between described current collector and described switch resistance the first stiff end/switch resistance the second stiff end.
Preferably, described pointer comprises hour hands and minute hand, described hour hands and described minute hand are arranged on described simulated clock simulation clock dial plate, described hour hands are connected with described minute hand, described hour hands and the interlock of described minute hand, described minute hand and described switching knob are rotationally connected, and the described minute hand that rotarily drives of described switching knob rotates, and described minute hand rotates and drives described hour hands to rotate.
Preferably, lighting apparatus also comprises power supply adaptor, and described light modulating device also comprises control circuit;
Described power supply adaptor provides described control switch and the required power supply of described control circuit, and described current collector is connected with the input of described control circuit;
Described switching knob rotation changes the scale of described minute hand sensing and the scale that described hour hands point to, thereby change the resistance value between described current collector and described switch resistance the first stiff end/switch resistance the second stiff end, and then change the voltage/current signals of the input that inputs to described control circuit;
Described control circuit is for determining the output signal of described control circuit according to described voltage/current signals.
Preferably, described control circuit comprises single-chip microcomputer, and described single-chip microcomputer comprises sampling analog to digital conversion circuit and memory;
Described control switch connects the input of described sampling analog to digital conversion circuit, and described sampling analog to digital conversion circuit is for being converted to digital signal by described voltage/current signals;
Described memory comprises one or more memory cell, and described in each, memory cell all has unique address number, and described memory cell is for storing the instruction of the output signal of described single-chip microcomputer;
Described single-chip microcomputer finds the address number of described memory cell according to described digital signal, from described memory cell, take out instruction, exports the output signal of described single-chip microcomputer.
Preferably, between described control circuit and described control switch, be also connected with Glitch Filter circuit, described Glitch Filter circuit comprises filter resistance and filter capacitor, the first end of described filter capacitor connects the input of described sampling analog to digital conversion circuit, the second end ground connection of described filter capacitor, the first end of described filter resistance connects described control switch, and the second end of described filter resistance connects the first end of described filter capacitor.
Preferably, described light modulating device also comprises drive circuit;
Described drive circuit comprises high color temperature lamp group drive circuit and low color temperature lamp group drive circuit, the output of described single-chip microcomputer comprises high color temperature lamp group PWM output and low color temperature lamp group PWM output, the output signal of described single-chip microcomputer comprises the output signal of described high color temperature lamp group PWM output and the output signal of described low color temperature lamp group PWM output, and described high color temperature lamp group PWM output is connected respectively described high color temperature lamp group drive circuit and described low color temperature lamp group drive circuit with described low color temperature lamp group PWM output;
Described single-chip microcomputer is used for determining the output signal of described high color temperature lamp group PWM output and the output signal of described low color temperature lamp group PWM output according to described voltage/current signals, and exports respectively the output signal of the output signal of described high color temperature lamp group PWM output and described low color temperature lamp group PWM output to the input of described high color temperature lamp group drive circuit and the input of described low color temperature lamp group drive circuit;
Described drive circuit is for determining the output current of described high color temperature lamp group drive circuit and the output current of described low color temperature lamp group drive circuit according to the output signal of the output signal of described high color temperature lamp group PWM output and described low color temperature lamp group PWM output.
Preferably, lighting apparatus also comprises lamp group, and described lamp group comprises high color temperature lamp group and low color temperature lamp group, for the lamp group according to different-colour, carries out the variation that mixed light is realized colour temperature; The output of the output of described high color temperature lamp group drive circuit and described low color temperature lamp group drive circuit is connected respectively described high color temperature lamp group and described low color temperature lamp group.
Preferably, described high color temperature lamp group drive circuit comprises the first driving chip, and described low color temperature lamp group drive circuit comprises the second driving chip, and it is constant-current source chip that described the first driving chip and described second drives chip.
Preferably, described potentiometer adopts 360 degree potentiometers of belt switch, described power supply adaptor provides power supply for described potentiometer, described switch resistance the first stiff end connects described power supply adaptor, described switch resistance the second stiff end ground connection, described switching knob is from the rotation of 0-360 degree, and output voltage is to the input of described control circuit; Described switching knob is in 0 degree, and the input sampled voltage of described control circuit is 0V, and lighting apparatus is in off-mode, and described high color temperature lamp group and described low color temperature lamp group are all in extinguishing state.
The beneficial effects of the utility model: the utility model arranges simulated clock simulation clock dial plate at control switch place, according to the clock scale that is arranged at rotating pointer on simulated clock simulation clock dial plate and simulated clock simulation clock dial plate, carry out accurately and intuitively to control the input voltage/circuit signal of control circuit, not only get information about very much the residing state of lighting apparatus, and only use a control switch just can control accurately the input voltage/current signal of described light modulating device, to realize, the colour temperature of lighting apparatus is regulated.
Accompanying drawing explanation
Fig. 1 is the system circuit diagram of lighting circuit of the present utility model.
Fig. 2 is the working-flow figure of lighting circuit of the present utility model.
Fig. 3 is light-control knob schematic diagram of the present utility model.
In figure: 101, control switch; 102, control circuit, 103, drive circuit; 104, high color temperature lamp group; 105, low color temperature lamp group; 106, switch resistance; 107, current collector; 108, Glitch Filter circuit; 109, single-chip microcomputer; 110, first drive chip; 111, second drive chip; 112, simulated clock simulation clock dial plate; 113, switching knob; 114, scale; 115, minute hand; 116, hour hands.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, further illustrate the technical solution of the utility model.Be understandable that, specific embodiment described herein is only for explaining the utility model, but not to restriction of the present utility model.It also should be noted that, for convenience of description, in accompanying drawing, only show the part relevant to the utility model but not full content.
Below in conjunction with accompanying drawing and by embodiment, further illustrate the technical solution of the utility model.
Please refer to Fig. 1, the lighting apparatus the utility model proposes, comprising: light modulating device, high color temperature lamp group 105, low color temperature lamp group 106 and power supply adaptor, light modulating device comprises control switch 101, control circuit 102 and drive circuit 103.
Control circuit 102 can adopt the operating voltage of 0-5V, and drive circuit 103 can adopt the operating voltage of 5-36V, and as a preferred version, in the present embodiment, control circuit 102 adopts the operating voltage of 3.3V, and drive circuit 103 adopts the operating voltage of 12V.Power supply adaptor adopts the power supply adaptor of 12V, be connected to drive circuit 103, for provide+12V of drive circuit 103 power supply, in addition, power supply adaptor is by connecting a reduction voltage circuit, output voltage after step-down is 3.3V, connects respectively control switch 101 and control circuit 102, is control switch 101 and provide+3.3V of control circuit 102 power supply.
Control switch 101 switch resistances 106 and mobile electric shock 107, can adopt potentiometer to realize, switch resistance 106 comprises the first stiff end and the second stiff end, the first stiff end connection+3.3V power supply of switch resistance 106, the second stiff end of switch resistance 106 connects signal ground, one end of current collector 107 contacts with switch resistance 106, and can between the first stiff end and the second stiff end, move, and the other end of current collector 107 connects the input of control circuit 102.
The output of control circuit 102 comprises high color temperature lamp group PWM (Pulse Width Modulation, pulse width modulation) output and low color temperature lamp group PWM output, drive circuit 103 comprises high color temperature lamp group drive circuit and low color temperature lamp group drive circuit, and high color temperature lamp group PWM output and low color temperature lamp group PWM output are connected respectively the input of high color temperature lamp group drive circuit and low color temperature lamp group drive circuit.
The output of high color temperature lamp group drive circuit and low color temperature lamp group drive circuit is connected respectively high color temperature lamp group 104 and low color temperature lamp group 105.
According to the resistance value between the first stiff end/the second stiff end of current collector 107 and switch resistance 106 and the principle of voltage dividing potential drop, control switch 101 output one voltage/current signals are to the input of control circuit 102, known, voltage/current signals is by the determining positions of current collector 107, that is the position that, changes current collector 107 by adjusting just can change the voltage/current signals of the input that inputs to control circuit 102; The voltage/current signals that control circuit 102 samples according to input is determined the output pwm signal of control circuit 102, pwm signal is exported by high color temperature lamp group PWM output and low color temperature lamp group PWM output two-way PWM output, and the PWM output signal of control circuit 102 is exported to the input of drive circuit 103; Drive circuit 103 regulates the output current of drive circuit 103 according to the PWM output signal of control circuit 102, control colour temperature and the brightness of high color temperature lamp group 104 and low color temperature lamp group 105, then the light of the different-colour sending of high color temperature lamp group 104 and low color temperature lamp group 105 and brightness is carried out to mixed light, export the light of satisfactory colour temperature and brightness, realized by regulation control switch 101 and just can export the light of different-colour and brightness, regulative mode is simple, the light of output is variation also, very convenient and practical.
Please refer to Fig. 3, control switch 101 also comprises simulated clock simulation clock dial plate 112, rotating pointer and switching knob 113; Rotating pointer comprises hour hands 116 and minute hand 115, hour hands 116 and minute hand 115 are arranged on simulated clock simulation clock dial plate 112, hour hands 116 are connected with minute hand 115, and hour hands 116 and minute hand 115 interlocks, switching knob 113 connects current collector 107, current collector 107 connects minute hand 115, the rotation of switching knob 113 is moved current collector 107 between the first stiff end of switch resistance 106 and the second stiff end, the mobile minute hand 115 that drives of current collector 107 rotates on simulated clock simulation clock dial plate 112, and minute hand 115 rotates and drives hour hands 116 to rotate.
By current collector 107 at the first stiff end of switch resistance 106 and the corresponding relation of the position between the second stiff end and the position of rotating pointer on simulated clock simulation clock dial plate 112, one scale 114 is set on simulated clock simulation clock dial plate 112, set scale 114 adopts the mode of clock scale, can adopt following method to arrange the scale 114 on simulated clock simulation clock dial plate 112:
Switching knob 113 is selected 360 degree potentiometers of belt switch, scale 114 arranges with reference to the scale of clock and watch, when switching knob 113 is in a state of nature time, , the position of current collector 107 is now at the second stiff end of switch resistance 106, now the input sampled voltage/electric current of control circuit 102 is 0, the output current of drive circuit 103 is 0, lighting apparatus is in off-mode, now set the position correspondence of hour hands 116 and minute hand 115 in 6 moment of dial plate, be 115 one-tenth 180 degree of hour hands 116 and minute hand, hour hands 116 point to the position of 6 of the scale 114 on simulated clock simulation clock dial plate 112, minute hand 115 points to the position of 12 of the scale 114 on simulated clock simulation clock dial plate 112, every rotation one circle of minute hand 115, hour hands 116 rotate 30 degree, as, lighting apparatus is when off-mode, scale 114 on hour hands 116 sensing simulated clock simulation clock dial plates 112 is the position of 6, minute hand 115 points to the position of 12 of the scale 114 on simulated clock simulation clock dial plate 112, when clockwise direction rotary switch knob 113, current collector 107 moves to the first stiff end at the second stiff end of switch resistance 106, the mobile minute hand 115 that drives of current collector 107 rotates on simulated clock simulation clock dial plate 112, minute hand 115 rotates a circle and gets back to again the position of 12, now hour hands 116 rotate 30 degree, and the position of 6 of the scale 114 from simulated clock simulation clock dial plate 112 forwards the position of 7 of the scale 114 on simulated clock simulation clock dial plate 112 to, when switching knob 113 dextrorotation turnbacks, now current collector 107 is in the position of the first stiff end of switch resistance 106, now the input voltage of control circuit is 3.3V, and minute hand 115 and hour hands 116 point to the position of 12 of the scale 114 on simulated clock simulation clock dial plate 112 simultaneously, continue to turn clockwise, current collector 107 starts to move to the second stiff end from the first stiff end, when switching knob rotating 360 degrees, hour hands 116 point to the position of 6 of the scale 114 on simulated clock simulation clock dial plate 112, minute hand 115 points to the position of 12 of the scale 114 on simulated clock simulation clock dial plate 112, the output current of lighting apparatus is 0, lighting apparatus shutdown.
Be more than a kind of of scale 114 methods to set up, according to different demands, can suitably change, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model, as, when switching knob 113 Rotate 180s are spent, current collector 107 is set and can be in the first stiff end of switch resistance 106 and the position in the middle of the second stiff end; Adopt the method for simulated clock simulation clock scale to realize the monitoring to current collector 107 positions, can be by accurate control inputs to the voltage/current signals of control circuit 102 to control the output current of light modulating device, thereby the light of output different-colour and brightness, and this control mode is very directly perceived, met the demand that light modulating device is accurately controlled.
Concrete, control circuit 102 comprises single-chip microcomputer 109, and the model of single-chip microcomputer 109 is SN8P2711B, and single-chip microcomputer 109 comprises sampling analog to digital conversion circuit, central processing unit and memory;
The 5th port of single-chip microcomputer 109 is the control signal input of single-chip microcomputer 109, the control signal inlet circuit of single-chip microcomputer 109 is 10 sampling analog to digital conversion circuits, the sampling precision of 10 analog to digital conversion circuits can reach 1/1024, the time of simulated clock simulation clock dial plate 112 required indications is 12 hours, 720 minutes, so can accomplish the colour temperature of the sun per minute to change and reflect in precision.The 1st port of single-chip microcomputer 109 is VDD pin, provide+3.3V power supply of connection power supply adaptor, the 8th port of single-chip microcomputer 109 is VSS pin, connect signal ground, the 3rd port of single-chip microcomputer 109 and the 4th port are respectively high color temperature lamp group PWM output and the low color temperature lamp group PWM output of single-chip microcomputer 109, connect respectively the modulation signal input of high color temperature drive circuit and low colour temperature drive circuit.
Control switch 101 connects sampling analog to digital conversion circuit, sampling analog to digital conversion circuit is for being converted to digital signal by the voltage/current signals of input, memory comprises one or more memory cell, each memory cell all has unique address number, and memory cell is for storing the instruction of the PWM output signal of single-chip microcomputer 109;
When the input sampling of single-chip microcomputer 109 obtains voltage/current signals, the voltage/current signals that sampling analog to digital conversion circuit obtains sampling is converted to digital signal, the central processing unit of single-chip microcomputer 109 finds the address number of memory cell according to digital signal, from memory cell, take out instruction, and carry out this instruction, from the 3rd port and the 4th port of single-chip microcomputer 109, export respectively high color temperature lamp group PWM output signal and low color temperature lamp group PWM output signal.
Concrete, control circuit 102 also comprises Glitch Filter circuit 108, Glitch Filter circuit 108 comprises filter resistance R14 and filter capacitor C17, the first end of filter capacitor C17 connects the input of sampling analog to digital conversion circuit, the second end of filter capacitor C17 connects signal ground, the first end of filter resistance R14 connects current collector 107, and the second end of filter resistance R14 connects the first end of filter capacitor C17.Input at control circuit 102 adds Glitch Filter circuit, can reduce as far as possible the alternating component in direct voltage, retains its flip-flop, and input voltage/current signal ripple coefficient is reduced, and it is smoother that waveform becomes.
Concrete, drive circuit 103 comprises high color temperature lamp group drive circuit and low color temperature lamp group drive circuit, the output of single-chip microcomputer 109 comprises high color temperature lamp group PWM output and low color temperature lamp group PWM output, and high color temperature lamp group PWM output is connected respectively high color temperature lamp group drive circuit and low color temperature lamp group drive circuit with low color temperature lamp group PWM output;
The voltage/current signals that single-chip microcomputer 109 obtains according to the sampling analog to digital conversion circuit sampling of single-chip microcomputer 109 is determined the output signal of high color temperature lamp group PWM output and the output signal of low color temperature lamp group PWM output, and exports respectively the output signal of the output signal of high color temperature lamp group PWM output and low color temperature lamp group PWM output to the input of high color temperature lamp group drive circuit and the input of low color temperature lamp group drive circuit; According to the output signal of the output signal of high color temperature lamp group PWM output and low color temperature lamp group PWM output, determine the output current of high color temperature lamp group drive circuit and the output current of low color temperature lamp group drive circuit.
Concrete, high color temperature lamp group drive circuit comprises the first driving chip 110, low color temperature lamp group drive circuit comprises the second driving chip 111, first drive chip 110 and second drive chip 111 can adopt model be the chip of MP24833 as the constant-current source chip of drive circuit, the circuit structure of high color temperature lamp group drive circuit and low color temperature lamp group drive circuit is basic identical.
Take high color temperature drive circuit as example, the first pin of the first driving chip 110 is VDD pin, provide+12V power supply of connection power supply adaptor, the first pin also connects the first end of capacitor C 34, the second termination signal ground of capacitor C 34, to reduce interchange pulse ripple coefficient, promote efficient smooth direct current output, the second pin is VSS pin, the second pin connects signal ground, three-prong is OVP pin, by contact resistance R3, connect signal ground, the 4th pin is FB pin, the negative pole that connects the power supply side of high color temperature lamp group, be LED-, the 4th pin is the first end of contact resistance R29 also, the second end of resistance R 29 connects signal ground, the 5th pin is EN/DIM pin, the high color temperature lamp group PWM output that connects control circuit 102, the 6th pin is INGND pin, the 6th pin connects the second pin, the 7th pin is BST pin, the first end that connects bootstrap capacitor C37, the second end of bootstrap capacitor C37 connects the 8th pin, the 8th pin is SW pin, the 8th pin connects the first end of inductance L 3, the second end of inductance L 3 connects the positive pole of the power supply side of high color temperature lamp group, be LED+, the second end of inductance L 3 connects the first end of capacitor C 3, the first end of capacitor C 3 is the first end of contact resistance R2 also, the second end of resistance R 2 connects three-prong, the second end of capacitor C 3 connects signal ground, the 8th pin also connects the negative pole of diode D2, the positive pole of diode D2 connects signal ground.
The circuit structure of the circuit structure of low color temperature lamp group drive circuit and high color temperature lamp group drive circuit is basic identical, wherein, the 5th pin of the second driving chip 111 is EN/DIM pin, the low color temperature lamp group PWM output that connects control circuit 102, the 8th pin of the second driving chip is SW pin, second drives the first end of the 8th pin connection inductance L 1 of chip, the second end of inductance L 1 connects the positive pole of the power supply side of low color temperature lamp group, the second end of inductance L 1 connects the first end of capacitor C 4, the first end of capacitor C 4 is the first end of contact resistance R5 also, the second end of resistance R 5 connects three-prong, the second end of capacitor C 4 connects signal ground, the 8th pin also connects the negative pole of diode D3, the positive pole of diode D3 connects signal ground.
The first driving chip 110 of take is example, wherein, inductance L 3 and capacitor C 3 form and D2 forms driving voltage-releasing voltage stabilizer circuit, for converting the square-wave signal of SW pin output to direct current, it is the more satisfactory a kind of circuit structure that drives constant current, drive voltage-releasing voltage stabilizer circuit to connect the positive pole of high color temperature lamp group, the negative pole of high color temperature lamp group connects the FB pin of the first driving chip 110, first drives chip 110 to receive the output signal of the high color temperature lamp group PWM output of single-chip microcomputer 109, first drives chip 110 from SW pin, to export one for driving the square-wave signal of constant current according to the output signal of high color temperature lamp group PWM output, after the voltage-releasing voltage stabilizer processing of circuit of overdriving, output direct current is to the positive pole of high color temperature lamp group, the lighting current of high color temperature lamp group is provided, then, electric current is back to the FB pin of the first driving chip 110 by the negative pole of high color temperature lamp group, FB pin connects signal ground by resistance R 29 simultaneously, for sampling and judgement loop current, feed back to the first driving chip 110, control the duty ratio of the square-wave signal of SW pin output, the output current of stabilized driving circuit, simultaneously for output direct current provides a current circuit, capacitor C 37 is bootstrap capacitor, and effect is that the square-wave signal of SW pin output is fed back to input, rises and strengthens output action.
Concrete, three-prong and first at single-chip microcomputer 109 drives the centre of chip 110 to be also connected with build-out resistor R28, the 4th pin and second at single-chip microcomputer 109 drives the centre of chip 111 to be also connected with build-out resistor R22, the effect of build-out resistor R28 and R22 is the impedance between matched signal source and transmission line, avoid vibration, and prevent overshoot; The VDD pin of single-chip microcomputer 109 also connects the first end of capacitor C 5, the second termination signal ground of capacitor C 5, and the effect of capacitor C 5 is to reduce interchange pulse ripple coefficient to promote efficient smooth direct current output.
The lighting apparatus the utility model proposes, light modulating device is only used a switch, the ON/OFF that has just realized lighting apparatus changes with colour temperature and the brightness that can accurately control lighting apparatus, circuit structure is simple, easily realize, and cost is low, the more important thing is that this lighting apparatus is simple to operate, and simple and clear, allow user have a understanding intuitively to colour temperature and brightness regulation, regulate a suitable colour temperature and brightness only need to just can realize by reference to clock scale rotary switch knob, the user that is more convenient for adjusts suitable colour temperature and brightness.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle; any modification of doing, be equal to replacement, improvement etc.; as high color temperature lamp group 104 and low color temperature lamp group 105 can have a plurality of; only need to just can realize by several driving chips at the output multi-parallel of single-chip microcomputer 109, or increase several single-chip microcomputers 109, within these all should be included in protection range of the present utility model.
Please refer to Fig. 2, the working-flow figure that Fig. 2 is lighting circuit of the present utility model, the lighting apparatus providing based on above-described embodiment, the utility model provides a kind of light-dimming method of lighting apparatus, comprises the steps:
A simulated clock simulation clock dial plate 112 is set on control switch 101, on simulated clock simulation clock dial plate 112, be provided with hour hands 116 and minute hand 115, hour hands 116 and minute hand 115 are for simulating each constantly, the position of hour hands 116 and minute hand 115 is controlled by switching knob 113, by simulated clock simulation clock dial plate 112, the voltage/current signals of control switch 101 outputs is mapped constantly with each.
The input of single-chip microcomputer 109 connects the current collector 107 of control switch 101, the position of the current collector 107 by switching knob 113 regulation control switch 101, export different voltage/current signals to the input of single-chip microcomputer 109, in advance by the corresponding relation storage stored in memory of voltage/current signals and PWM output signal, make single-chip microcomputer 109 export different PWM output signals according to different voltage/current signals, export the input of drive circuit 103 to.
The PWM output signal that drive circuit 103 receives according to input is exported different supply currents to lamp group, for lamp group provides supply current.
Voltage/current signals by switching knob control inputs to single-chip microcomputer 109, single-chip microcomputer 109 is according to the PWM output signal of voltage/current signals control single chip computer, and then the drive current of control drive circuit 103, make lamp group send the light of different-colour and brightness, and by simulated clock simulation clock dial plate 112, light that lighting apparatus sends and the moment 114 on simulated clock simulation clock dial plate 112 are connected, not only simple to operate, and can send according to the accurate control lighting apparatus of scale 114 light of different-colour.
Concrete, current collector 107 moves between the first stiff end of switch resistance 106 and the second stiff end, the movement of current collector 107 changes the resistance value between current collector 107 and the first stiff end/the second stiff end, the change of the resistance value between current collector 107 and the first stiff end/the second stiff end, changes the voltage putting between current collector 107 and the first stiff end/the second stiff end.Input connection current collector 107 due to single-chip microcomputer 109, the movement of current collector 107 changes the voltage putting between current collector 107 and the first stiff end/the second stiff end, and then causes the voltage/current signals that single-chip microcomputer 109 inputs sample to change.
Wherein, controlling current collector 107 mobile concrete grammar between the first stiff end of switch resistance 106 and the second stiff end comprises:
Rotating pointer rotates and drives current collector 107 to move between the first stiff end and the second stiff end;
Rotating pointer is arranged on simulated clock simulation clock dial plate 112, and simulated clock simulation clock dial plate 112 is provided with scale 114, and the scale 114 by rotating pointed obtains the resistance value between the first stiff end/the second stiff end of current collector 107 and switch resistance 106.
Rotating pointer comprises hour hands 116 and minute hand 115, minute hand 115 and current collector 107 are rotationally connected, hour hands are connected with minute hand, hour hands 116 and minute hand 115 interlocks, so switching knob 113 rotarily drives current collector 107 and moves, current collector 107 moves and drives minute hand 115 to rotate, minute hand 115 rotates and drives hour hands 116 to rotate, every rotation 360 degree of minute hand 115, and hour hands 116 rotate 30 degree.Realized the position that represents switching knob by the scale 114 of simulated clock simulation clock dial plate 112.
Concrete, the input of single-chip microcomputer 109 connects current collector 107, and sampling obtains voltage/current signals, and the input of single-chip microcomputer 109 is sampling analog to digital conversion circuit, and the voltage/current signals that sampling is obtained is converted to digital signal; Single-chip microcomputer 109 finds the address number of memory cell according to the digital signal of conversion, then from the memory cell of corresponding address number, takes out instruction, the PWM output signal of output single-chip microcomputer 109.
Concrete, lamp group comprises high color temperature lamp group 104 and low color temperature lamp group 105, the PWM output signal of single-chip microcomputer 109 comprises the output signal of high color temperature lamp group PWM output and the output signal of low color temperature lamp group PWM output, and single-chip microcomputer 109 obtains the output signal of high color temperature lamp group PWM output and the output signal of low color temperature lamp group PWM output according to the voltage/current signals of input;
Export respectively the output signal of the output signal of high color temperature lamp group PWM output and low color temperature lamp group PWM output to the input of high color temperature lamp group drive circuit and the input of low color temperature lamp group drive circuit;
Drive circuit 103 is for determining the output current of high color temperature lamp group drive circuit and the output current of low color temperature lamp group drive circuit according to the output signal of the output signal of high color temperature lamp group PWM output and low color temperature lamp group PWM output.
Concrete, the output of the output of high color temperature lamp group drive circuit and low color temperature lamp group drive circuit is connected respectively high color temperature lamp 104 and low color temperature lamp group 105.
Concrete, obtain the corresponding relation of voltage/current signals and PWM output signal, and the concrete grammar that corresponding relation is converted to instruction storage stored in memory is comprised:
Measure the colour temperature of each sunlight constantly in a day, and record the corresponding relation of the moment and colour temperature;
To high color temperature lamp group 104 and low color temperature lamp group 105, provide supply current respectively, make lamp group send the light with measured each identical colour temperature of sunlight constantly, and the value of provided supply current is provided.
By PWM, realize the adjusting of brightness, from 0% to 100% variation of PWM duty ratio, the brightness of corresponding high color temperature lamp group 104/ low color temperature lamp group 105 is from extinguishing to entirely bright, regulating colour temperature is exactly the brightness ratio that regulates high color temperature lamp group 104 and low color temperature lamp group 105, be reflected in circuit the value of the PWM duty ratio that is exactly corresponding two-way light modulation, export colour temperature and brightness that this value has just represented this moment.
Determine the PWM output signal of single-chip microcomputer 109 and the corresponding relation of colour temperature according to each moment of sunlight constantly and the value of the corresponding relation of colour temperature and PWM duty ratio, and the PWM output signal of the single-chip microcomputer under different-colour 109 is inputed in the memory cell of single-chip microcomputer 109 as instruction respectively, each memory cell has unique address number.
Single-chip microcomputer 109 input samplings are obtained to voltage/circuit signal and be converted to digital signal, and digital signal and address number are mapped one by one, single-chip microcomputer 109 is exported different instructions according to different digital signals.
The light-dimming method of the lighting apparatus that the utility model provides, mainly that regulative mode for colour temperature improves, make it to combine with the colour temperature of each sunlight constantly, as for brightness, employing be a kind of mode of gradual change, by simulated clock simulation clock dial plate 112 simulation one day 12 hours,, 6 points from 6:00 AM to evening, as gradually brightened from 6:00 AM to 12 or 2 pm, then gradually dimmed again at 6 in evening.In addition, during 6:00 AM, set lighting apparatus in off-mode, light modulating device is output current not.
Mixed light by high color temperature lamp group 104 and low color temperature lamp group 105 regulates the principle of colour temperature of light of lighting apparatus output as follows:
If the excursion of sunlight colour temperature is at 3000K-7000K, high color temperature lamp group 104 adopts 7000K colour temperature LED so, and low color temperature lamp group 105 adopts the LED of 3000K colour temperature; If need to export 5000K colour temperature, high color temperature lamp group 104 is the same brightness with low color temperature lamp group 105 so.If PWM changes with 1% precision, be equivalent to brightness to be divided into 100 intensity levels, so the brightness of high color temperature lamp group 104 outputs 50, low color temperature lamp group 105 is also exported 50 brightness, and colour temperature is exactly 5000K, the brightness of whole lamp group is 50%, equally, if the brightness of high color temperature lamp group 104 outputs 100, the brightness of low color temperature lamp group 105 outputs 100, colour temperature is also 5000K, and the brightness of whole lamp is 100%; By that analogy, regulating colour temperature is exactly the brightness ratio that regulates two lamp groups, and brightness adjusting is exactly that two kinds of lamps lighten and dim simultaneously.So the colour temperature of whole lamp group and the adjusting of brightness are exactly the position (the namely current time of minute hand 115 and hour hands 116 indications) by sense switch knob 113, single-chip microcomputer 109 is searched 114 colour temperature and brightness constantly, be reflected in circuit the value of the PWM duty ratio of the two-way PWM output output that is exactly single-chip microcomputer 109, export this value and just represented colour temperature and the brightness in this moment, all these values are all the memory the insides of leaving single-chip microcomputer 109 in presetting, the value of the PWM duty ratio by output changes the output current of high color temperature lamp group drive circuit and the output current of low color temperature lamp group drive circuit, the power output of high color temperature lamp group 104 and low color temperature lamp group 105 is changed, and the light of high color temperature lamp group 104 and 105 outputs of low color temperature lamp group is carried out to mixed light, realize the variation of colour temperature.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (9)
1. a lighting apparatus, is characterized in that, comprises light modulating device, and described light modulating device comprises control switch, and described control switch comprises simulated clock simulation clock dial plate, rotating pointer, potentiometer and switching knob;
Described potentiometer comprises switch resistance and current collector, described switch resistance comprises switch resistance the first stiff end and switch resistance the second stiff end, described current collector contacts with described switch resistance, and can between described switch resistance the first stiff end and described switch resistance the second stiff end, move;
Described pointer connects described current collector, described switching knob and described pointer are rotationally connected, the described pointer that rotarily drives of described switching knob rotates, and described pointer rotates and drives described current collector to move between described switch resistance the first stiff end and described switch resistance the second stiff end;
On described simulated clock simulation clock dial plate, be provided with scale, described pointer is arranged on described simulated clock simulation clock dial plate, by the scale of described pointed, determines the resistance value between described current collector and described switch resistance the first stiff end/switch resistance the second stiff end.
2. a kind of lighting apparatus according to claim 1, it is characterized in that, described pointer comprises hour hands and minute hand, described hour hands and described minute hand are arranged on described simulated clock simulation clock dial plate, described hour hands are connected with described minute hand, described hour hands and the interlock of described minute hand, and described minute hand and described switching knob are rotationally connected, the described minute hand that rotarily drives of described switching knob rotates, and described minute hand rotates and drives described hour hands to rotate.
3. a kind of lighting apparatus according to claim 2, is characterized in that, also comprises power supply adaptor, and described light modulating device also comprises control circuit;
Described power supply adaptor provides described control switch and the required power supply of described control circuit, and described current collector is connected with the input of described control circuit;
Described switching knob rotation changes the scale of described minute hand sensing and the scale that described hour hands point to, thereby change the resistance value between described current collector and described switch resistance the first stiff end/switch resistance the second stiff end, and then change the voltage/current signals of the input that inputs to described control circuit;
Described control circuit is for determining the output signal of described control circuit according to described voltage/current signals.
4. a kind of lighting apparatus according to claim 3, is characterized in that, described control circuit comprises single-chip microcomputer, and described single-chip microcomputer comprises sampling analog to digital conversion circuit and memory;
Described control switch connects the input of described sampling analog to digital conversion circuit, and described sampling analog to digital conversion circuit is for being converted to digital signal by described voltage/current signals;
Described memory comprises one or more memory cell, and described in each, memory cell all has unique address number, and described memory cell is for storing the instruction of the output signal of described single-chip microcomputer;
Described single-chip microcomputer finds the address number of described memory cell according to described digital signal, from described memory cell, take out instruction, exports the output signal of described single-chip microcomputer.
5. a kind of lighting apparatus according to claim 4, it is characterized in that, between described control circuit and described control switch, be also connected with Glitch Filter circuit, described Glitch Filter circuit comprises filter resistance and filter capacitor, the first end of described filter capacitor connects the input of described sampling analog to digital conversion circuit, the second end ground connection of described filter capacitor, the first end of described filter resistance connects described control switch, and the second end of described filter resistance connects the first end of described filter capacitor.
6. a kind of lighting apparatus according to claim 4, is characterized in that, described light modulating device also comprises drive circuit;
Described drive circuit comprises high color temperature lamp group drive circuit and low color temperature lamp group drive circuit, the output of described single-chip microcomputer comprises high color temperature lamp group PWM output and low color temperature lamp group PWM output, the output signal of described single-chip microcomputer comprises the output signal of described high color temperature lamp group PWM output and the output signal of described low color temperature lamp group PWM output, and described high color temperature lamp group PWM output is connected respectively described high color temperature lamp group drive circuit and described low color temperature lamp group drive circuit with described low color temperature lamp group PWM output;
Described single-chip microcomputer is used for determining the output signal of described high color temperature lamp group PWM output and the output signal of described low color temperature lamp group PWM output according to described voltage/current signals, and exports respectively the output signal of the output signal of described high color temperature lamp group PWM output and described low color temperature lamp group PWM output to the input of described high color temperature lamp group drive circuit and the input of described low color temperature lamp group drive circuit;
Described drive circuit is for determining the output current of described high color temperature lamp group drive circuit and the output current of described low color temperature lamp group drive circuit according to the output signal of the output signal of described high color temperature lamp group PWM output and described low color temperature lamp group PWM output.
7. a kind of lighting apparatus according to claim 6, is characterized in that, also comprises lamp group, and described lamp group comprises high color temperature lamp group and low color temperature lamp group, for the lamp group according to different-colour, carries out the variation that mixed light is realized colour temperature; The output of the output of described high color temperature lamp group drive circuit and described low color temperature lamp group drive circuit is connected respectively described high color temperature lamp group and described low color temperature lamp group.
8. a kind of lighting apparatus according to claim 6, it is characterized in that, described high color temperature lamp group drive circuit comprises the first driving chip, and described low color temperature lamp group drive circuit comprises the second driving chip, and it is constant-current source chip that described the first driving chip and described second drives chip.
9. a kind of lighting apparatus according to claim 8, it is characterized in that, described potentiometer adopts 360 degree potentiometers of belt switch, described power supply adaptor provides power supply for described potentiometer, described switch resistance the first stiff end connects described power supply adaptor, described switch resistance the second stiff end ground connection, described switching knob is from the rotation of 0-360 degree, and output voltage is to the input of described control circuit; Described switching knob is in 0 degree, and the input sampled voltage of described control circuit is 0V, and lighting apparatus is in off-mode, and described high color temperature lamp group and described low color temperature lamp group are all in extinguishing state.
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| CN201320740656.8U CN203563244U (en) | 2013-11-20 | 2013-11-20 | Lighting equipment |
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| CN201320740656.8U CN203563244U (en) | 2013-11-20 | 2013-11-20 | Lighting equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104369688A (en) * | 2014-12-11 | 2015-02-25 | 显亮(昆山)汽车配件有限公司 | Potential-PWM regulating circuit and automotive lamp with same |
| CN104967348A (en) * | 2014-11-29 | 2015-10-07 | 成都颉盛科技有限公司 | Low-pas filtering inversion system based on step-down constant current circuit |
| CN105282940A (en) * | 2015-11-18 | 2016-01-27 | 深圳市金叶光线发展有限公司 | Dimmable double-output LED driving power source and dimming method thereof |
| CN108777906A (en) * | 2018-06-25 | 2018-11-09 | 珠海惠尔益电子科技有限公司 | A kind of double lamp group zoom circuits and head lamp |
| CN108777898A (en) * | 2018-06-05 | 2018-11-09 | 深圳市廿年科技有限公司 | A kind of knob code switch and intelligent dimming method |
| CN113966056A (en) * | 2020-04-30 | 2022-01-21 | 深圳市撰文科技有限公司 | Dimming control circuit, device and dimmer |
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2013
- 2013-11-20 CN CN201320740656.8U patent/CN203563244U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967348A (en) * | 2014-11-29 | 2015-10-07 | 成都颉盛科技有限公司 | Low-pas filtering inversion system based on step-down constant current circuit |
| CN104369688A (en) * | 2014-12-11 | 2015-02-25 | 显亮(昆山)汽车配件有限公司 | Potential-PWM regulating circuit and automotive lamp with same |
| CN105282940A (en) * | 2015-11-18 | 2016-01-27 | 深圳市金叶光线发展有限公司 | Dimmable double-output LED driving power source and dimming method thereof |
| CN105282940B (en) * | 2015-11-18 | 2018-08-07 | 深圳市金叶光线发展有限公司 | Tunable optical dual output LED drive power and its light-dimming method |
| CN108777898A (en) * | 2018-06-05 | 2018-11-09 | 深圳市廿年科技有限公司 | A kind of knob code switch and intelligent dimming method |
| CN108777898B (en) * | 2018-06-05 | 2024-05-10 | 深圳市杜莎科技有限公司 | Knob coding switch and intelligent dimming method |
| CN108777906A (en) * | 2018-06-25 | 2018-11-09 | 珠海惠尔益电子科技有限公司 | A kind of double lamp group zoom circuits and head lamp |
| CN108777906B (en) * | 2018-06-25 | 2020-06-16 | 珠海惠尔益电子科技有限公司 | Double-lamp-group zooming circuit and head lamp |
| CN113966056A (en) * | 2020-04-30 | 2022-01-21 | 深圳市撰文科技有限公司 | Dimming control circuit, device and dimmer |
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Effective date of registration: 20180112 Address after: 523860 Guangdong Province, Dongguan city Changan Town Road No. 126 building two usha BBK Patentee after: Guangdong GENIUS Technology Co., Ltd. Address before: 126 No. 523860 Guangdong province Dongguan city Changan town usha BBK Avenue Patentee before: BBK EDUCATIONAL ELECTRONICS Corp.,Ltd. |
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