CN209419940U - A kind of control system of the gradual change of clock colour temperature and light adjusting - Google Patents

Abstract

The utility model discloses the control system of a kind of gradual change of clock colour temperature and light adjusting, including the cut phase circuit, adjustable light power supply circuit and color temperature controlling circuit being sequentially connected in series, AC signal after cut phase is inputed to adjustable light power supply circuit by the cut phase circuit, the adjustable light power supply circuit generates cut phase pulse pair load lamp by the AC signal after cut phase and is dimmed, the color temperature controlling circuit includes mode control switch, the function and time zone that the color temperature controlling circuit is selected according to mode control switch, the ramp control of different mode is carried out to colour temperature.The control mode of the utility model colour temperature is to carry out intelligent dimming control in the way of embedded clock using miniature MCU, realizes that different time carries out automatically controlling lamps and lanterns colour temperature in different time zone.

Description

A kind of control system of the gradual change of clock colour temperature and light adjusting

Technical field

The utility model relates to the intelligent control technology of lamps and lanterns, in particular to what a kind of clock colour temperature gradual change and light were adjusted Control system.

Background technique

The lamps and lanterns of presently commercially available brightness-adjustable are artificially to be gone by hand-held remote control unit or wall controllable silicon dimmer The brightness of lamps and lanterns is controlled, the controller line of colour temperature is complicated, it is at high cost if increasing remote controler or dedicated dimmers, and must people Above-mentioned function is just able to achieve for operation.

Utility model content

In view of the problems of the existing technology, the utility model provides the control of a kind of gradual change of clock colour temperature and light adjusting System.

To achieve the above object, the concrete scheme of the utility model is as follows:

A kind of control system of the gradual change of clock colour temperature and light adjusting, including cut phase circuit, the adjustable photoelectricity being sequentially connected in series Source circuit and color temperature controlling circuit, the AC signal after cut phase is inputed to adjustable light power supply circuit by the cut phase circuit, described Adjustable light power supply circuit generates cut phase pulse pair load lamp by the AC signal after cut phase and is dimmed, the colour temperature control electricity Road includes mode control switch, the function and time zone that the color temperature controlling circuit is selected according to mode control switch, to colour temperature into The ramp control of row different mode.

Preferably, the cut phase circuit includes analog signal input unit, AD conversion unit and the pulse being sequentially connected in series Cut phase signal output unit.

Preferably, the analog signal in the analog signal input unit is generated by external equipment, and the external equipment is One of general wall dimmer, wall button and IR gesture induction light modulator.

Preferably, the adjustable light power supply circuit further includes that the EMC that is sequentially connected in series is anti-interference and current rectifying and wave filtering circuit, MCU Governor circuit, high frequency transformer, secondary commutation filter circuit and constant-current source output circuit, the MCU governor circuit includes cut phase Input circuit and pwm signal output circuit are detected in angle, and the phase-angle detection input circuit of cutting is electrically connected with cut phase circuit, described Pwm signal output circuit is electrically connected with high frequency transformer.

Preferably, the color temperature controlling circuit includes DC voltage-stabilizing power supply unit, storage battery power supply and protection location, logic Control unit and the clock source signals generating unit being electrically connected with logic control element, U.S. time zone check and correction unit, function choosing Unit and light source driving units are selected, the DC voltage-stabilizing power supply unit, storage battery power supply and protection location, clock source signals occur Unit is sequentially connected in series.

Preferably, the battery is lithium battery.

Preferably, the U.S. time zone check and correction unit includes clock keymake and mode control switch S1A, S1B, when described Clock keymake and logic control element communicate to connect, and the S1A and S1B are U.S. time zone check and correction switch, U.S. time zone school The U.S. time zone different to the selection of time that can have been corrected according to clock keymake of switch, the color temperature controlling circuit is according to the U.S. The colour temperature ramp control under different time zone is realized in the selection of time zone check and correction switch.

Preferably, the U.S. time zone includes Eastern Time Zone, central time zone, mountainous region time zone and pacific time zone.

Preferably, the function selection unit includes that mode control switch S2A and S2B, the S2A and S2B select for function Switch is selected, test pattern, Beijing time zone mode or U.S.'s time zone mode, the colour temperature control may be selected in the functional select switch Circuit realizes the colour temperature ramp control under different mode according to the selection of functional select switch.

Preferably, the light source driving units include the driving of warm colour light source and white light source driving.

Using the technical solution of the utility model, have the advantages that

(1), the control mode of colour temperature is that intelligent dimming control is carried out in the way of MCU embedded clock, is realized when different Area, different time carry out automatically controlling lamps and lanterns colour temperature, complete once installation mode, it is no longer necessary to human intervention, it is easy to use Save worry；

(2), the brightness that lamps and lanterns can be carried out by a variety of external equipments controls, practical；

(3), the lamps and lanterns that colour temperature changes automatically with the daily schedule are suitable for household, Di Ku, hospital etc. to light wave intensity and colour temperature There is the place of strict demand to use, during people on daytime works normally, it is clear that white light makes one thinking, be conducive to increase working efficiency, , warm light are beneficial to help for sleep the rest period in the evening, and light source is environmentally protective, is worthy to be popularized.

Detailed description of the invention

Fig. 1 is the utility model overall framework figure；

Fig. 2 is the block diagram of the utility model adjustable light power supply circuit；

Fig. 3 is the circuit diagram of the utility model adjustable light power supply circuit；

Fig. 4 is the block diagram of the utility model color temperature controlling circuit；

Fig. 5 is the circuit diagram of the utility model color temperature controlling circuit；

Fig. 6 is the utility model clock keymake schematic diagram；

Fig. 7 is the block diagram of the embodiment one of the utility model cut phase circuit；

Fig. 8 is the circuit diagram of the embodiment one of the utility model cut phase circuit；

Fig. 9 is the block diagram of the embodiment two of the utility model cut phase circuit；

Figure 10 is the circuit diagram of the embodiment two of the utility model cut phase circuit；

Figure 11 is the block diagram of the embodiment three of the utility model cut phase circuit；

Figure 12 is the circuit diagram of the embodiment three of the utility model cut phase circuit.

Specific embodiment

Below in conjunction with the drawings and specific embodiments, the present invention will be further described.

Referring to figs. 1 to Figure 12, the utility model provides the control system of a kind of gradual change of clock colour temperature and light adjusting, including Cut phase circuit 3, adjustable light power supply circuit 1 and the color temperature controlling circuit 2 being sequentially connected in series, the cut phase circuit 3 is by the friendship after cut phase Stream signal inputs to adjustable light power supply circuit 1, and the adjustable light power supply circuit 1 passes through the AC signal after cut phase and generates cut phase arteries and veins Punching dims load lamp, and the color temperature controlling circuit 2 includes mode control switch, and the color temperature controlling circuit 2 is according to mould The function of formula control switch selection and time zone, the ramp control of different mode is carried out to colour temperature.

The cut phase circuit 3 includes analog signal input unit, AD conversion unit U6 and the pulse cut phase being sequentially connected in series Signal output unit 302.

Analog signal in the analog signal input unit is generated by external equipment, and the external equipment is general wall One of light modulator 3011, wall button 3012 and IR gesture induction light modulator 3013.

The adjustable light power supply circuit 1 further includes that the EMC that is sequentially connected in series is anti-interference and current rectifying and wave filtering circuit 101, MCU master control Circuit U 1, high frequency transformer 104, secondary commutation filter circuit 105 and constant-current source output circuit 106, the MCU governor circuit U1 It is described to cut phase-angle detection input circuit 102 and cut phase including cutting phase-angle detection input circuit 102 and pwm signal output circuit 103 Circuit 3 is electrically connected, and the pwm signal output circuit 103 is electrically connected with high frequency transformer 104.

The color temperature controlling circuit 2 includes DC voltage-stabilizing power supply unit 201, storage battery power supply and protection location 203, logic Unit is proofreaded in control unit U4 and the clock source signals generating unit 202 being electrically connected with logic control element U4, U.S. time zone 204, function selection unit 205 and light source driving units 206, the DC voltage-stabilizing power supply unit 201, storage battery power supply and protection Unit 203, clock source signals generating unit 202 are sequentially connected in series.

The battery is lithium battery.

The U.S. time zone check and correction unit 204 includes clock keymake and mode control switch S1A, S1B, and the clock is compiled It writes device and logic control element U4 is communicated to connect, the S1A and S1B are U.S. time zone check and correction switch, the U.S. time zone check and correction Switch the different U.S. time zone of the selection of time that can correct according to clock keymake, the color temperature controlling circuit 2 is according to the U.S. The colour temperature ramp control under different time zone is realized in the selection of time zone check and correction switch.

The U.S. time zone includes Eastern Time Zone, central time zone, mountainous region time zone and pacific time zone.

The function selection unit 205 includes mode control switch S2A and S2B, and the S2A and S2B are that function selection is opened It closes, test pattern, Beijing time zone mode or U.S.'s time zone mode, the color temperature controlling circuit may be selected in the functional select switch 2 realize the colour temperature ramp control under different mode according to the selection of functional select switch.

The light source driving units 206 include the driving of warm colour light source and white light source driving.

The working principle of the utility model are as follows:

(1), the working principle of adjustable light power supply circuit:

Referring to Fig. 2 to Fig. 3, the EMC that AC alternating voltage is formed through FR1, L2, R2, R1, L1, R24, L5, U2, D1, D2 is anti-dry Disturb and current rectifying and wave filtering circuit, be directly entered it is silicon-controlled cut phase-angle detection input circuit, cut phase-angle detection input circuit by Q2 with outer It encloses component L3, C11, R5, R7, R6, R22, C13 to collectively constitute, Q2 is detection metal-oxide-semiconductor, can be passed through by the AC signal of cut phase The switch conduction of Q2 enters the first foot of MCU governor circuit U1 via resistance R22, and the signal that MCU receives cut phase can issue relatively The pwm signal answered generates high-frequency oscillation voltage, transformer in transformer T1 primary through resistance R11 control metal-oxide-semiconductor Q1 conducting Grade generates corresponding induced current, when detecting cut phase pulse by cut phase angle detection circuit, sends out in the AC signal of cut phase When raw phase change, signal is after MCU governor circuit U1 processing, by the corresponding pwm pulse signal for issuing different in width, Q1 conducting Angle accordingly changes, and corresponding change will occur for transformer output current, and different brightness will occur therewith in the brightness of load lamp Variation, realize it is silicon-controlled to LED light source light modulation purpose.

(2), the working principle of color temperature controlling circuit:

Referring to Fig. 4 to Fig. 5 ,+24V the voltage exported by LED adjustable light power supply enters the direct current that U3, C1, C5, C16 are formed Pressure stabilizing power supply unit 201 supplies electricity to logic control element U4, standard clock signal generator IC1 and management of charging and discharging chip U5 Work, without in the state of, system initial power-on, IC1 is formed standby lithium pond BT1 with peripheral cell C10, C14, C15, Y1 Clock source signals generating unit is started to work, and at the same time, logic control element U4 is also synchronous to enter working condition, logic control Unit U4 scans corresponding clock signal first, opposite when being taken at by S1AB with the operating mode selection switch that S2AB is collectively constituted When the position answered, logic control element U4 exports corresponding pwm pulse signal, and control switch metal-oxide-semiconductor Q6, Q7 conducting drive LED Different colour temperatures is presented in light source module group.

Management of charging and discharging chip U5 and its peripheral component D9, R29, C19, Q4, Q5 collectively constitute overcharging for lithium battery BT1 Over-discharge protection circuit makes lithium battery be unlikely to high pressure or overdischarge in normal charge and discharge process and damages；Electric main is normal In the case where supply, system worked well, voltage VDD can rectified pipe D9 supply electricity to lithium battery BT1 charging, U5 can pass through MOS The end voltage of pipe Q4 real-time monitoring BT1, when the highest that voltage rises to battery limits charging voltage, charging can be automatically shut down；Work as exchange In the case that alternating current powers off, the discharge loop that lithium battery BT1 can be made up of metal-oxide-semiconductor Q5 supplies electricity to IC1 work；IC1 is regardless of city Whether there is or not power-off for electricity, are in working condition, and this measure may insure that the timer clock of standard will not be influenced by external power on/off, guarantee System accurately exports corresponding variation pwm signal in the corresponding time, so that it is guaranteed that the colour temperature of product is in preset control range It is interior.

Mode control switch S2AB is functional select switch, when functional select switch is in test pattern position, system By the colour temperature gradual change formula for the standard that executes, i.e., 24 hours period proportionals were shortened in 30 seconds, colour temperature can be in 30 seconds inner circumferentials Phase property circulation change is tested when user being facilitated newly to purchase product and is used；

When mode switch is in Beijing when zone position, program is by Beijing time zone color temperature change mode for the standard that executes, i.e., Default is that AM7:00 is 6000K colour temperature, and AM7:00-PM12:00 colour temperature will fade to 4500K, PM12:00-PM6:00 color Temperature fades to 3000K, until zero morning 12:00 colour temperature is held in 3000K, zero morning 12:00 to second days AM7:00 colour temperature is again gradually Become 6000K, program recycles according to this always, to meet user the needs of different time sections are to different-colour light；

When mode switch is in the U.S. when zone position, program will activate U.S. time zone calibration function, be existed with meeting product U.S. different time zone works normally.

Mode control switch S1AB is U.S. time zone check and correction switch, and each time zone in the U.S. and the time difference of Beijing time be such as when normal Under:

(a), when mode switch is small in -13 when position, system can be cut -13 hours on the basis of Beijing time, Meet in this section of U.S. time zone to the correct demand (East Time: -13) in colour temperature area；

(b), when mode switch is small in -14 when position, system can be cut -14 hours on the basis of Beijing time, Meet in this section of U.S. time zone to the correct demand (Central Time: -14) in colour temperature area；

(c), when mode switch is small in -15 when position, system can be cut -15 hours on the basis of Beijing time, Meet in this section of U.S. time zone to correct demand (the mountainous region time: -15) in colour temperature area；

(d), when mode switch is small in -16 when position, system can be cut -16 hours on the basis of Beijing time, Meet in this section of U.S. time zone to the correct demand (Pacific time: -16) in colour temperature area.

Referring to Fig. 5 to Fig. 6, J1 is system clock keymake interface, passes through the same logic control element of SCL, SDA, RES interface U4 communication, clock keymake have corrected Beijing time first, then dock programming probe with the corresponding interface of J1, logic control Unit U4 will rewrite the time of IC1 standard signal source automatically, program indicator light D10 slow flash 3 times, time adjustment success；

Do not used when product standing time is too long, when BT1 supply voltage is under-voltage, IC1 can lose clock data, user not When just using clock keymake correction time, the default 12:00 that is set to of program is standard color temperature 4500K, i.e. user only need to be at locality Between 12:00 give product power supply, program will continue above system periodicity colour temperature control work, BT1, which is powered, to be started to charge, It is automatically stopped until fully charged, wherein 12:00 is that product location time 12:00 is whole.

(3), the working principle of cut phase circuit:

(i), it is adjustable knob or slide potentiometer referring to Fig. 7 to Fig. 8, VR1, can be changed with U6 and its peripheral component composition Potentiometer light adjusting circuit, as shown above, U6 are analog-to-digital conversion master control, and R37, C21, R36, C20, D13, D14 are collectively constituted surely Power supply circuit is pressed, U6 is powered on initially, and program scans PIN1 pin current potential first, when PIN1 pin is in low potential, in U6 warp Portion's analog to digital conversion circuit exports corresponding low order cut phase pulse voltage, triggers silicon-controlled Q9 through bilateral diode and gives LED main electricity Source power supply, potentiometer are resistance value in change procedure in artificial transfer, and the voltage of U6_PIN1 pin can also make corresponding changes, The cut phase pulse control voltage that U6 is exported through internal analog to digital conversion circuit can also make corresponding changes, the triggered diode of this voltage Q8, which triggers silicon-controlled Q9 conducting and export different cut phase voltage, gives the power supply of LED adjustable light power supply；

(ii), referring to Fig. 9 to Figure 10, SW1 is mechanical button, with U6 and its peripheral component composition push button light modulation electricity Road, U6 are analog-to-digital conversion master control, and R37, C21, R36, C20, D13, D14 collectively constitute voltage stabilizing power supplying circuit, and U6 is powered on initially, journey Sequence scans PIN3 pin current potential first, and when PIN3 pin is in low potential, U6 exports corresponding through internal analog to digital conversion circuit Low order cut phase pulse voltage, trigger silicon-controlled Q9 through bilateral diode and power to LED main power source, press SW1 when artificially and do not put, I.e. U6_PIN3 pin is when continuing high potential, and U6 is converted through internal analog to digital conversion circuit, will export it is lasting from high to low again by Down to the cut phase pulse control voltage of high constantly circulation change, until hand release button, cut phase pulse will be stopped and locked herein State, the triggered diode Q8 of this voltage, which triggers silicon-controlled Q9 conducting and export different cut phase voltage, gives the confession of LED adjustable light power supply Electricity；

(iii), referring to Fig.1 1 to Figure 12, D15 form non-contact infrared reflection unit with Q10, with U6 and its periphery member Device form infrared reflection type light adjusting circuit, as shown above, U6 be analog-to-digital conversion master control, R37, C21, R36, C20, D13, D14 collectively constitutes voltage stabilizing power supplying circuit, and U6 is powered on initially, and program scans PIN2 pin current potential first, when PIN2 pin is in low When current potential, U6 exports corresponding low order cut phase pulse voltage through internal analog to digital conversion circuit, triggers through bilateral diode controllable Silicon Q9 powers to LED main power source, and when artificially blocking infrared reflection device with object, Q10 photoelectric receiving tube generates electric current simultaneously Output high potential is added on U6_PIN2 pin, and U6_PIN2 foot is when continuing high potential, and U6, will be defeated through internal analog to digital conversion circuit The lasting cut phase pulse control voltage of continuous circulation change from low to high again from high to low out, until shelter removes infrared ray Perflectometer, cut phase pulse will be stopped and locked in this state, and the triggered diode Q8 of this voltage triggers silicon-controlled Q9 conducting output Different cut phase voltage is powered to LED adjustable light power supply.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model Transformation, or directly/be used in other related technical areas indirectly and be included in the protection scope of the utility model.

Claims (10)

1. the control system that a kind of clock colour temperature gradual change and light are adjusted, which is characterized in that including be sequentially connected in series cut phase circuit, AC signal after cut phase is inputed to adjustable light power supply electricity by adjustable light power supply circuit and color temperature controlling circuit, the cut phase circuit Road, the adjustable light power supply circuit generate cut phase pulse pair load lamp by the AC signal after cut phase and are dimmed, the color Temperature control circuit includes mode control switch, the function and time zone that the color temperature controlling circuit is selected according to mode control switch, The ramp control of different mode is carried out to colour temperature.

2. the control system that clock colour temperature gradual change according to claim 1 and light are adjusted, which is characterized in that the cut phase Circuit includes the analog signal input unit being sequentially connected in series, AD conversion unit and pulse cut phase signal output unit.

3. the control system that clock colour temperature gradual change according to claim 2 and light are adjusted, which is characterized in that the simulation Analog signal in signal input unit is generated by external equipment, and the external equipment is general wall dimmer, wall button One of with IR gesture induction light modulator.

4. the control system that clock colour temperature gradual change according to claim 1 and light are adjusted, which is characterized in that described adjustable Photoelectricity source circuit further includes that the EMC that is sequentially connected in series is anti-interference and current rectifying and wave filtering circuit, MCU governor circuit, high frequency transformer, secondary Current rectifying and wave filtering circuit and constant-current source output circuit, the MCU governor circuit include cutting phase-angle detection input circuit and pwm signal is defeated Circuit out, the phase-angle detection input circuit of cutting are electrically connected with cut phase circuit, the pwm signal output circuit and high frequency transformer Electrical connection.

5. the control system that clock colour temperature gradual change according to claim 1 and light are adjusted, which is characterized in that the colour temperature Control circuit includes DC voltage-stabilizing power supply unit, storage battery power supply and protection location, logic control element and and logic control Clock source signals generating unit, U.S. time zone check and correction unit, function selection unit and the light source driving units of unit electrical connection, institute State DC voltage-stabilizing power supply unit, storage battery power supply and protection location, clock source signals generating unit is sequentially connected in series.

6. the control system that clock colour temperature gradual change according to claim 5 and light are adjusted, which is characterized in that the electric power storage Pond is lithium battery.

7. the control system that clock colour temperature gradual change according to claim 5 and light are adjusted, which is characterized in that the U.S. Time zone check and correction unit includes clock keymake and mode control switch S1A, S1B, the clock keymake and logic control element Communication connection, the S1A and S1B are U.S. time zone check and correction switch, and the U.S. time zone check and correction switch can be according to clock keymake The different U.S. time zone of the selection of time corrected, the color temperature controlling circuit are realized according to the selection of U.S. time zone check and correction switch Colour temperature ramp control under different time zone.

8. the control system that clock colour temperature gradual change according to claim 7 and light are adjusted, which is characterized in that the U.S. Time zone includes Eastern Time Zone, central time zone, mountainous region time zone and pacific time zone.

9. the control system that clock colour temperature gradual change according to claim 5 and light are adjusted, which is characterized in that the function Selecting unit includes that mode control switch S2A and S2B, the S2A and S2B are functional select switch, the functional select switch Test pattern, Beijing time zone mode or U.S.'s time zone mode may be selected, the color temperature controlling circuit is according to functional select switch The colour temperature ramp control under different mode is realized in selection.

10. the control system that clock colour temperature gradual change according to claim 5 and light are adjusted, which is characterized in that the light Source driving unit includes the driving of warm colour light source and white light source driving.