CN212163772U

CN212163772U - Lamp light color correction lamp

Info

Publication number: CN212163772U
Application number: CN202020629933.8U
Authority: CN
Inventors: 揭勇; 马战龙; 侯秋华; 张海深
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-12-15
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a light color correction lamp, including the lamps and lanterns main part, the lamps and lanterns main part is provided with the recess, groove opening part is provided with glass, be provided with control panel and a plurality of RGBA lamp pearl in the recess, a plurality of RGBA lamp pearl and control panel electric connection, RGBA lamp pearl is provided with the lens lamp shade, be provided with colour response module between RGBA lamp pearl and the glass, colour response module and control panel electric connection, the control panel is connected with DMX512 control cabinet and outside DC 48V voltage respectively, the control panel is provided with singlechip arithmetic processing circuit, DMX512 control signal interface circuit, power supply circuit and RGBA constant current drive circuit, DMX512 control signal interface circuit and RGBA constant current drive circuit all are connected with singlechip arithmetic processing circuit, DMX512 control signal interface circuit and RGBA constant current drive circuit all are connected with power supply circuit; has the advantages that: the bright color of the lamp main body is consistent with the color of the color database, so that the service life of the lamp is effectively prolonged.

Description

Lamp light color correction lamp

Technical Field

The utility model belongs to the technical field of the light color correction technique and specifically relates to a light color correction lamps and lanterns.

Background

RGBW color light sources are increasingly used in people's actual life, such as photography, stage lighting, landscape lighting, display screens, and so on. A plurality of colors are added for life, but in the using process, the good lamps can find brightness dimming and color temperature deviation, and bring bad visual sense to people. Especially in the high-demand photography occasions, the lamp of the phenomenon can not meet the requirements of people. The reason for this phenomenon is that the light decay of the LED is affected by the operating temperature and the operating time during the use process, which results in the dimming of the brightness and the color temperature shift, and the light attenuation rates of different RGBW colors are different; or because of the performance difference of various batches of raw materials, when a plurality of lamps are applied to a light presenting surface (projected to the surface of a building) after production is finished and one color is uniformly mixed, the color difference and the color are inconsistent among the lamps, and the phenomenon of inconsistent color can still occur even if the lamps start to be consistent and the temperature rises along with the prolonging of the lighting time.

Disclosure of Invention

To the deficiencies in the prior art, an object of the present invention is to provide a lamp for correcting color of light.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a light color correction lamp, comprising: the lamp comprises a lamp body, wherein a groove is formed in the lamp body, glass is arranged at the opening of the groove, a control panel and a plurality of RGBA lamp beads are arranged in the groove, the RGBA lamp beads are electrically connected with the control panel, lens lampshades are arranged on the RGBA lamp beads, a color induction module is arranged between the RGBA lamp beads and the glass, the color induction module is electrically connected with the control panel, the control panel is respectively connected with a DMX512 console and an external DC 48V voltage, a single chip microcomputer operation processing circuit, a DMX512 control signal interface circuit, a power supply circuit and an RGBA constant current drive circuit are arranged on the control panel, the DMX512 control signal interface circuit and the RGBA constant current drive circuit are all connected with the single chip microcomputer operation processing circuit, the DMX512 control signal interface circuit and the RGBA constant current drive circuit are all connected with the power supply circuit, the power supply circuit is connected to an external DC 48V voltage.

Preferably, the power supply circuit includes a DC/DC conversion chip and a low-leakage voltage adjustment chip, a first terminal pin of the DC/DC conversion chip is connected to an external DC 48V voltage and is grounded through a ninth capacitor and a twelfth capacitor, the ninth capacitor and the twelfth capacitor are connected in parallel, a second pin, a third pin, a fourth pin, a fifth pin and a sixth pin of the DC/DC conversion chip are all grounded, a seventh pin of the DC/DC conversion chip is connected to the first pin of the low-leakage voltage adjustment chip through a first inductor and outputs VCC 5V, the seventh pin of the DC/DC conversion chip is grounded through a fifth diode, an eighth pin of the DC/DC conversion chip is grounded through a thirteenth capacitor, the first pin of the low-leakage voltage adjustment chip is grounded through a tenth capacitor, the fifth diode, The thirteenth capacitor is connected in parallel with the tenth capacitor, a second pin of the low-leakage voltage adjusting chip outputs VCC 3.3V and is grounded through an eleventh capacitor, a second pin of the low-leakage voltage adjusting chip is grounded through a fourteenth capacitor, the eleventh capacitor is connected in parallel with the fourteenth capacitor, and a third pin of the low-leakage voltage adjusting chip is grounded.

Preferably, the single chip microcomputer operation processing circuit comprises a single chip microcomputer, a crystal oscillator, a diode and a capacitor, an NRST terminal pin of the single chip microcomputer is connected with an external voltage through a first resistor and is grounded through a first capacitor, a PWM R terminal pin of the single chip microcomputer is connected with an external 3.3V voltage and is grounded through a fourth capacitor, an OSCIN terminal pin of the single chip microcomputer is grounded through a second capacitor, an OSCOUT terminal pin of the single chip microcomputer is grounded through a third capacitor, one end of the crystal oscillator is connected with the OSCIN terminal pin of the single chip microcomputer, the other end of the crystal oscillator is connected with the OSCOUT terminal pin of the single chip microcomputer, a DMX CL terminal pin of the single chip microcomputer is connected with an external 3.3V voltage and is grounded through a fifth capacitor, a PO terminal pin of the single chip microcomputer is connected with an external 5V voltage through a third resistor, a PO terminal pin of the single chip microcomputer is connected with a pulse magnitude input end through a fourth resistor and is grounded through a first diode, the PI terminal pin of the single chip microcomputer is connected with the pulse output end through a fifth resistor and is grounded through a second diode, and the PI terminal pin of the single chip microcomputer is connected with the PO terminal pin of the single chip microcomputer.

Preferably, the DMX512 control signal interface circuit is provided with a first connector, the DMX CL terminal pin of the first connector is grounded through a sixth resistor, the VCC terminal pin of the first connector is connected with external 5V voltage and grounded through a seventh capacitor, the B terminal pin of the first connector is connected with a DMX B interface through a ninth resistor, and is grounded through a fourth diode, the B terminal pin of the first connector is grounded through a seventh resistor, the A terminal pin of the first connector is connected with a DMX A interface through a tenth resistor, and is grounded through a third diode, the DMX B interface and the DMX A interface are both connected with the DMX512 console, the third diode is connected with the fourth diode, the A terminal pin of the first connector is connected with external 5V voltage through an eighth resistor, and the DMX RX terminal pin and the DMX TX terminal pin of the first connector are connected with the DMX RX terminal pin and the DMX TX terminal pin of the single chip microcomputer.

Preferably, the color sensing module includes a color sensing feedback circuit, be provided with a color sensor chip on the color sensing feedback circuit, the color sensor chip is TCS3200D, the S0 end pin of color sensor chip is connected with outside 5V voltage through eleventh resistance, the OE end pin and the GND end pin of color sensor chip ground, the VCC end pin and the outside 5V voltage of color sensor chip are connected and are grounded through eighth electric capacity, the S1 end pin, the S2 end pin and the S3 end pin of color sensor chip with the S1 end pin, the S2 end pin and the S3 end pin of singlechip are connected, the OUT end pin of color sensor chip pass through twelfth resistance with the OUT end pin of singlechip is connected.

Preferably, the RGBA constant current driving circuit includes a red LED lamp bead, a green LED lamp bead, a blue LED lamp bead, a gold LED lamp bead and a plurality of driving chips, each driving chip is connected with the red LED lamp bead, the green LED lamp bead, the blue LED lamp bead and the gold LED lamp bead, respectively, and a DIM terminal pin of the driving chip is connected with the single chip microcomputer arithmetic processing circuit.

Adopt above-mentioned scheme, the beneficial effects of the utility model are that:

the utility model discloses a design a light color correction lamps and lanterns, the colour data of lamp pearl is responded to through colour response module and the singlechip is transmitted in the transmission, and contrast with the colour database of singlechip, the colour data of database and colour response module response are compared the output difference, the PWM duty cycle of control RGBW lamp pearl is adjusted and is let the bright colour of lamps and lanterns main part unanimous with colour database colour, it is unanimous to have ensured all lamps and lanterns colours that the lamps and lanterns were dispatched from the factory after the production, and no matter still keep the colour unanimous under the influence of factors such as ambient temperature or ageing light decay in the lamps and lanterns main part, thereby the effectual life who prolongs lamps and lanterns.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic diagram of the single-chip microcomputer operation processing circuit of the present invention;

FIG. 3 is a schematic diagram of the power supply circuit of the present invention;

fig. 4 is a schematic diagram of the color sensing feedback circuit of the present invention;

fig. 5 is a schematic diagram of a DMX512 control signal interface circuit of the present invention;

fig. 6 is a schematic diagram of the RGBA constant current driving circuit of the present invention.

The reference numerals in the above description denote descriptions:

1. a lamp body, 2, a groove, 3, glass, 4 and a control panel,

41. a singlechip arithmetic processing circuit, a 42 and DMX512 control signal interface circuit,

43. the device comprises a power supply circuit, 44, an RGBA constant current driving circuit, 5, RGBA lamp beads, 6, a lens lampshade, 7, a color sensing module, 8, a DMX512 console, 9 and external DC 48V voltage.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 6, a lamp for correcting color of light, which comprises a lamp body 1, a groove 2 is arranged on the lamp body 1, glass 3 is arranged at an opening of the groove 2, a control board 4 and a plurality of RGBA lamp beads 5 are arranged in the groove 2, the plurality of RGBA lamp beads 5 are electrically connected with the control board 4, lens lamp covers 6 are arranged on the RGBA lamp beads 5, a color sensing module 7 is arranged between the RGBA lamp beads 5 and the glass 6, the color sensing module 7 is electrically connected with the control board 4, the control board 4 is respectively connected with a DMX512 console 8 and an external DC 48V voltage 9, a single chip microcomputer operation processing circuit 41, a DMX512 control signal interface circuit 42, a power supply circuit 43 and an RGBA constant current driving circuit 44 are arranged on the control board 4, the DMX512 control signal interface circuit 42 and the RGBA constant current driving circuit 44 are both connected with the single chip microcomputer operation processing circuit 41, and the, The DMX512 control signal interface circuit 42 and the RGBA constant current driving circuit 44 are both connected with a power supply circuit 43, and the power supply circuit 43 is connected with an external DC 48V voltage 9.

In the preferred embodiment of the present invention, the color sensor module 7 is mainly used, the color sensor module includes a color sensor chip, the color sensor chip can be TCS3200D chip, the color sensor chip is placed between RGBA lamp bead 5 and glass 3, the bright color of RGBA lamp bead 5 transmits the color data to the single chip microcomputer through the color sensor chip, the single chip microcomputer stores a standard color (NTSC) database, the database contains all the color brightness and color saturation data of RGBW lamp bead 5 and keeps consistent with the DMX512 console 8 device, when the DMX512 console 8 device is tuned to what color, the lamp body 1 lights out what color, which is not affected by the ambient temperature, the length of time of lighting and light attenuation, the color data sensed by the database and the color sensor chip are compared to output a difference value, the PWM duty ratio of the RGBW lamp bead 5 is controlled to adjust to make the bright color of the lamp body 1 consistent with the color of the color database, the color of the lamp body 1 can be kept consistent with the color of the database no matter the color difference of raw materials or the color change of temperature light attenuation, the color of all lamps leaving the factory after production of the lamp body 1 is also guaranteed to be consistent, the color of the lamp body 1 can be kept consistent no matter under the influence of factors such as environment temperature or aging light attenuation, the power allowance of the lamp body 1 is kept when leaving the factory, the duty ratio is automatically improved according to the working duration, and the brightness value of the lamp body 1 can be kept to be more than 95.

In a preferred embodiment of the present invention, the power supply circuit 43 comprises a DC/DC converting chip and a low-leakage voltage adjusting chip, the first terminal pin of the DC/DC converting chip is connected to the external DC 48V voltage 9 and grounded via a ninth capacitor and a twelfth capacitor, the ninth capacitor and the twelfth capacitor are connected in parallel, the second pin, the third pin, the fourth pin, the fifth pin and the sixth pin of the DC/DC converting chip are all grounded, the seventh pin of the DC/DC converting chip is connected to the first pin of the low-leakage voltage adjusting chip via a first inductor and outputs VCC 5V, the seventh pin of the DC/DC converting chip is grounded via a fifth diode, the eighth pin of the DC/DC converting chip is grounded via a thirteenth capacitor, the first pin of the low-leakage voltage adjusting chip is grounded via a tenth capacitor, the fifth diode, the thirteenth capacitor and the tenth capacitor are connected in parallel, the second pin of the low-leakage voltage adjusting chip outputs VCC 3.3V and is grounded through an eleventh capacitor, the second pin of the low-leakage voltage adjusting chip is grounded through a fourteenth capacitor, the eleventh capacitor is connected with the fourteenth capacitor in parallel, and the third pin of the low-leakage voltage adjusting chip is grounded.

In a preferred embodiment of the present invention, the single chip microcomputer processing circuit 41 comprises a single chip microcomputer, a crystal oscillator, a diode and a capacitor, the single chip microcomputer is of a model STM32103, an NRST terminal pin of the single chip microcomputer is connected to an external voltage through a first resistor and is grounded through a first capacitor, a PWM R terminal pin of the single chip microcomputer is connected to an external 3.3V voltage and is grounded through a fourth capacitor, an OSCIN terminal pin of the single chip microcomputer is grounded through a second capacitor, an OSCOUT terminal pin of the single chip microcomputer is grounded through a third capacitor, one end of the crystal oscillator is connected to an OSCIN terminal pin of the single chip microcomputer, the other end of the crystal oscillator is connected to an OSCOUT terminal pin of the single chip microcomputer, a DMX CL terminal pin of the single chip microcomputer is connected to and is grounded through a fifth capacitor and an external 3.3V voltage, a PO terminal pin of the single chip microcomputer is connected to an external 5V voltage through a third resistor, a PO terminal pin of the single chip microcomputer is connected to an impulse quantity input end through a fourth resistor and is grounded through a first diode, the PI terminal pin of the singlechip is connected with the PO terminal pin of the singlechip.

In the preferred embodiment of the present invention, the DMX512 control signal interface circuit 42 is provided with a first connector, the DMX CL terminal pin of the first connector is grounded through a sixth resistor, the VCC terminal pin of the first connector is connected to an external 5V voltage and grounded through a seventh capacitor, the B terminal pin of the first connector is connected to the DMX B interface through a ninth resistor, and is grounded through a fourth diode, the B terminal pin of the first connector is grounded through a seventh resistor, the A terminal pin of the first connector is connected with a DMX A interface through a tenth resistor, and the third diode is connected with the fourth diode, the A terminal pin of the first connector is connected with external 5V voltage through an eighth resistor, and the DMX RX terminal pin and the DMX TX terminal pin of the first connector are connected with the DMX RX terminal pin and the DMX TX terminal pin of the single chip microcomputer.

The utility model discloses in the preferred embodiment, color sensing module 7 includes a color sensing feedback circuit, the S0 end pin of color sensor chip is connected with outside 5V voltage through eleventh resistance, the OE end pin and the GND end pin ground connection of color sensor chip, the VCC end pin and the outside 5V voltage connection of color sensor chip are through eighth electric capacity ground connection, the S1 end pin of color sensor chip, S2 end pin and S3 end pin and the S1 end pin of singlechip, S2 end pin and S3 end pin are connected, the OUT end pin of color sensor chip is connected with the OUT end pin of singlechip through twelfth resistance.

The utility model discloses in the embodiment of preferred, RGBA constant current drive circuit 44 includes red LED lamp pearl, green LED lamp pearl, blue LED lamp pearl, golden LED lamp pearl and a plurality of driver chip, and every driver chip is connected with red LED lamp pearl, green LED lamp pearl, blue LED lamp pearl and golden LED lamp pearl respectively, and driver chip's DIM end foot and singlechip arithmetic processing circuit are connected.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A light color correction lamp, comprising: the lamp comprises a lamp body, wherein a groove is formed in the lamp body, glass is arranged at the opening of the groove, a control panel and a plurality of RGBA lamp beads are arranged in the groove, the RGBA lamp beads are electrically connected with the control panel, lens lampshades are arranged on the RGBA lamp beads, a color induction module is arranged between the RGBA lamp beads and the glass, the color induction module is electrically connected with the control panel, the control panel is respectively connected with a DMX512 console and an external DC 48V voltage, a single chip microcomputer operation processing circuit, a DMX512 control signal interface circuit, a power supply circuit and an RGBA constant current drive circuit are arranged on the control panel, the DMX512 control signal interface circuit and the RGBA constant current drive circuit are all connected with the single chip microcomputer operation processing circuit, the DMX512 control signal interface circuit and the RGBA constant current drive circuit are all connected with the power supply circuit, the power supply circuit is connected to an external DC 48V voltage.

2. A light color correction lamp as recited in claim 1, wherein: the power supply circuit comprises a DC/DC conversion chip and a low-leakage voltage adjusting chip, wherein a first terminal pin of the DC/DC conversion chip is connected with an external DC 48V voltage and is grounded through a ninth capacitor and a twelfth capacitor, the ninth capacitor and the twelfth capacitor are connected in parallel, a second pin, a third pin, a fourth pin, a fifth pin and a sixth pin of the DC/DC conversion chip are all grounded, a seventh pin of the DC/DC conversion chip is connected with a first pin of the low-leakage voltage adjusting chip through a first inductor and outputs VCC 5V, a seventh pin of the DC/DC conversion chip is grounded through a fifth diode, an eighth pin of the DC/DC conversion chip is grounded through a thirteenth capacitor, a first pin of the low-leakage voltage adjusting chip is grounded through a tenth capacitor, the fifth diode, The thirteenth capacitor is connected in parallel with the tenth capacitor, a second pin of the low-leakage voltage adjusting chip outputs VCC 3.3V and is grounded through an eleventh capacitor, a second pin of the low-leakage voltage adjusting chip is grounded through a fourteenth capacitor, the eleventh capacitor is connected in parallel with the fourteenth capacitor, and a third pin of the low-leakage voltage adjusting chip is grounded.

3. A light color correction lamp as recited in claim 2, wherein: the single chip microcomputer operation processing circuit comprises a single chip microcomputer, a crystal oscillator, a diode and a capacitor, wherein an NRST end pin of the single chip microcomputer is connected with external voltage through a first resistor and is grounded through a first capacitor, a PWM R end pin of the single chip microcomputer is connected with external 3.3V voltage and is grounded through a fourth capacitor, an OSCIN end pin of the single chip microcomputer is grounded through a second capacitor, an OSCOUT end pin of the single chip microcomputer is grounded through a third capacitor, one end of the crystal oscillator is connected with the OSCIN end pin of the single chip microcomputer, the other end of the crystal oscillator is connected with the OSCOUT end pin of the single chip microcomputer, a DMX CL end pin of the single chip microcomputer is connected with external 3.3V voltage and is grounded through a fifth capacitor, a PO end pin of the single chip microcomputer is connected with external 5V voltage through a third resistor, and a PO end pin of the single chip microcomputer is connected with a pulse quantity input end through a fourth resistor and is grounded through a, the PI terminal pin of the single chip microcomputer is connected with the pulse output end through a fifth resistor and is grounded through a second diode, and the PI terminal pin of the single chip microcomputer is connected with the PO terminal pin of the single chip microcomputer.

4. A light color correction lamp as recited in claim 3, wherein: the DMX512 control signal interface circuit is provided with a first connector, a DMX CL terminal pin of the first connector is grounded through a sixth resistor, the VCC terminal pin of the first connector is connected with external 5V voltage and is grounded through a seventh capacitor, the B terminal pin of the first connector is connected with a DMX B interface through a ninth resistor, and is grounded through a fourth diode, the B terminal pin of the first connector is grounded through a seventh resistor, the A terminal pin of the first connector is connected with a DMX A interface through a tenth resistor, and is grounded through a third diode, the DMX B interface and the DMX A interface are both connected with the DMX512 console, the third diode is connected with the fourth diode, the A terminal pin of the first connector is connected with external 5V voltage through an eighth resistor, and the DMX RX terminal pin and the DMX TX terminal pin of the first connector are connected with the DMX RX terminal pin and the DMX TX terminal pin of the single chip microcomputer.

5. A light color correction lamp as recited in claim 4, wherein: the colour response module includes a colour response feedback circuit, colour response feedback circuit is provided with a colour sensor chip, the colour sensor chip is TCS3200D, the S0 end pin of colour sensor chip is connected with outside 5V voltage through eleventh resistance, the OE end pin and the GND end pin ground connection of colour sensor chip, the VCC end pin and the outside 5V voltage of colour sensor chip are connected and are passed through eighth electric capacity ground connection, the S1 end pin, S2 end pin and S3 end pin of colour sensor chip with the S1 end pin, S2 end pin and the S3 end pin of singlechip are connected, the OUT end pin of colour sensor chip pass through twelfth resistance with the OUT end pin of singlechip is connected.

6. A light color correction lamp as recited in claim 1, wherein: the RGBA constant current drive circuit comprises a red LED lamp bead, a green LED lamp bead, a blue LED lamp bead, a golden LED lamp bead and a plurality of drive chips, wherein each drive chip is respectively connected with the red LED lamp bead, the green LED lamp bead, the blue LED lamp bead and the golden LED lamp bead, and DIM end pins of the drive chips are connected with the singlechip arithmetic processing circuit.