CN211831244U - Dimming module and LED lamp - Google Patents
Dimming module and LED lamp Download PDFInfo
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- CN211831244U CN211831244U CN202020194073.XU CN202020194073U CN211831244U CN 211831244 U CN211831244 U CN 211831244U CN 202020194073 U CN202020194073 U CN 202020194073U CN 211831244 U CN211831244 U CN 211831244U
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Abstract
The utility model provides a module and LED lamp of adjusting luminance, the module of should adjusting luminance includes voltage stabilizing circuit, constant current power supply, first resistance, second resistance, third resistance, fourth resistance, fifth resistance, sixth resistance, eighth resistance, second electric capacity, third electric capacity, fourth electric capacity, first chip, second chip, third chip, first output MOS pipe, second output MOS pipe, first group LED lamp pearl, the LED lamp pearl of second group, first group LED lamp pearl with the colour temperature of the LED lamp pearl of second group is different. The utility model has the advantages that: the double-color-temperature LED lamp has the advantages that the function of three-section transformation of color temperature is controlled through the switch after the double-color-temperature LED lamp carries the dimming module, the structure is simple, the production cost is low, and the requirements of users can be met.
Description
Technical Field
The utility model relates to the field of lighting technology, especially, relate to a module and LED lamp of adjusting luminance.
Background
With the gradual maturity of LED technology, LED panel lamps are used as a main lighting indoor lamp in the market today, and have been accepted by users due to their advantages of large light emitting area, high brightness, energy saving, etc.
The panel lamp products in the current market are mainly divided into three color temperatures of 3000K, 4000K and 6000K according to the requirements of different use environments of customers, and a certain amount of conventional stock can be prepared for each color temperature to meet the requirements of the customers when the same product is prepared by a distributor, so that a large amount of stock conditions and fund compression are generated.
In order to solve the above problems, at present, an LED lamp having a color temperature switching function has appeared, the LED lamp having a manual switch, the manual switch having a first button, a second button, and a third button, wherein when the first button is pressed, a first color temperature LED light source (3000k) emits light to generate a first color temperature; when the second button is pressed, the second color temperature LED light source (6000k) emits light, so that a second color temperature is generated; when the third button is pressed, the first color temperature LED light source (3000k) and the second color temperature LED light source (6000k) emit light simultaneously, thereby generating a third color temperature (4000 k). Although the LED lamp has the color temperature switching function, the LED lamp needs to be provided with a manual switch and matched with a special power supply to realize the color temperature switching function, the structure is relatively complex, and the requirements of users cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model provides a dimming module, which comprises a voltage stabilizing circuit, a constant current power supply, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, an eighth resistor, a second capacitor, a third capacitor, a fourth capacitor, a first chip, a second chip, a third chip, a first output MOS tube, a second output MOS tube, a first group of LED lamp beads and a second group of LED lamp beads, wherein the color temperatures of the first group of LED lamp beads and the second group of LED lamp beads are different;
the voltage stabilizing circuit is connected with the constant current power supply V +, and the voltage stabilizing circuit is connected with the positive electrode input end of the third chip; the pin 2 of the third chip is grounded, the pin 3 of the third chip outputs a specified voltage, the pin 3 of the third chip is connected with one end of a second capacitor, and the other end of the second capacitor is grounded to form a filter circuit; the pin 3 of the third chip is connected with the pin 4 of the second chip to provide specified direct current voltage, the pin 2 of the second chip and the pin 5 of the second chip are grounded, and the pin 1 and the pin 3 of the second chip are respectively butted with the pin 3 and the pin 2 of the first chip;
the pin 3 of the third chip is butted with the pin 1 of the first chip, the pin 3 of the third chip is respectively connected with the pin 4 of the second chip and one end of a fifth resistor, the other end of the fifth resistor is respectively connected with the pin 4 of the first chip, the sixth resistor and the third capacitor, the other end of the third capacitor is grounded, and the other end of the sixth resistor is grounded;
As a further improvement of the present invention, the voltage stabilizing circuit includes a rectifier diode, the zener diode, a seventh resistor, and a first capacitor, the positive electrode of the zener diode is connected to the constant current source V +, the negative electrode of the zener diode is connected to one end of the seventh resistor, the other end of the seventh resistor is connected to the positive input end of the third chip, and the positive electrode of the first capacitor is connected to the other end of the seventh resistor and the positive input end of the third chip respectively; the negative electrode of the first capacitor is grounded to form a filter circuit; the negative electrode of the rectifier diode is respectively connected with the positive electrode of the voltage stabilizing diode and the constant current power supply V +, and the negative electrode of the voltage stabilizing diode is grounded to form a voltage stabilizing circuit.
As a further improvement of the present invention, the seventh resistor is a current limiting resistor, and the first capacitor is an absorption capacitor.
As a further improvement of the present invention, the first resistor, the second resistor and the sixth resistor are detection resistors, and the fifth resistor is a current adjusting resistor.
As a further improvement of the present invention, the first chip and the second chip are single-chip microcomputers, the model of the third chip is 78L085, the third chip is a voltage stabilization chip.
As a further improvement, the color temperature of the first group of LED lamp beads is 3000K, and the color temperature of the second group of LED lamp beads is 6000K.
As a further improvement of the utility model, this module of adjusting luminance still includes the switch, the switch with constant current power supply links to each other.
As a further improvement of the present invention, the switch is a 86-type wall switch.
The utility model also discloses an include the LED lamp of module of adjusting luminance, this LED lamp still include drive power supply, PCB, drive power supply with PCB links to each other, PCB installs first group LED lamp pearl with second group LED lamp pearl, adjust luminance the module with PCB links to each other, the module of adjusting luminance can control only to make first group LED lamp pearl luminous, the module of adjusting luminance can control only to make second group LED lamp pearl luminous, the module of adjusting luminance can control first group LED lamp pearl with second group LED lamp pearl is luminous simultaneously to produce the third colour temperature.
As a further improvement of the utility model, the LED lamp further comprises a lamp panel, a diffusion plate, and a frame, wherein the PCB is fixed inside the lamp panel, and the frame is mounted on the lamp panel; the diffusion plate is arranged above the lamp panel and fixed inside the frame.
The utility model has the advantages that: the double-color-temperature LED lamp has the advantages that the function of three-section transformation of color temperature is controlled through the switch after the double-color-temperature LED lamp carries the dimming module, the structure is simple, the production cost is low, and the requirements of users can be met.
Drawings
FIG. 1 is a portion of a circuit diagram of a dimming module;
FIG. 2 is another portion of a circuit diagram of a dimming module;
fig. 3 is a structure view of the LED lamp of the present invention.
Detailed Description
Since the circuit diagram of the dimming module is large, the whole display may cause unclear handwriting display, and the circuit diagram of the dimming module is now split into two parts, fig. 1 and fig. 2, where point a of fig. 1 is connected to point a of fig. 2, and point B of fig. 1 is connected to point B of fig. 2.
As shown in fig. 1 and 2, the utility model discloses a dimming module, including voltage stabilizing circuit, constant current power supply, first resistance R1, second resistance R2, third resistance R3, fourth resistance R4, fifth resistance R5, sixth resistance R6, eighth resistance R8, second electric capacity C2, third electric capacity C3, fourth electric capacity C4, first chip U1, second chip U2, third chip U3, first output MOS pipe Q1, second output MOS pipe Q2, first group LED lamp pearl, second group LED lamp pearl, first group LED lamp pearl with the colour temperature of second group LED lamp pearl is different.
The voltage stabilizing circuit is connected with the constant current power supply V +, and the voltage stabilizing circuit is connected with the positive input end (pin 1) of the third chip U3; the pin 2 of the third chip U3 is grounded, the pin 3 of the third chip U3 outputs a specified voltage (the specified voltage is 5V voltage), the pin 3 of the third chip U3 is connected to one end of a second capacitor C2, and the other end of the second capacitor C2 is grounded, so that a filter circuit is formed; the pin 3 of the third chip U3 is connected with the pin 4 of the second chip U2 to provide a specified direct current voltage (5V direct current voltage), the second chip U2 starts to work, the pin 2 of the second chip U2 and the pin 5 of the second chip U2 form a loop in a connecting mode, and the pin 1 and the pin 3 of the second chip U2 are respectively butted with the pin 3 and the pin 2 of the first chip U1 for data exchange and storage when the high and low levels are achieved;
a pin 3 of the third chip U3 is butted with a pin 1 of the first chip U1 to provide a 5V dc voltage, so that the U1 starts to operate, the pin 3 of the third chip U3 is respectively connected with a pin 4 of the second chip U2 and one end of the fifth resistor R5, the other end of the fifth resistor R5 is respectively connected with a pin 4 of the first chip U1, the sixth resistor R6 and the third capacitor C3, the other end of the third capacitor C3 is grounded, and the other end of the sixth resistor R6 is grounded;
The voltage stabilizing circuit comprises a rectifier diode D1, a voltage stabilizing diode D2, a seventh resistor R7 and a first capacitor C1, wherein the anode of the voltage stabilizing diode D2 is connected with the constant-current power supply V +, the cathode of the voltage stabilizing diode D2 is connected with one end of the seventh resistor R7, the other end of the seventh resistor R7 is connected with the anode input end (pin 1) of a third chip U3, and the anode of the first capacitor C1 is respectively connected with the other end of the seventh resistor R7 and the anode input end of the third chip U3; the negative electrode of the first capacitor C1 is grounded to form a filter circuit; the negative electrode of the rectifier diode D1 is connected with the positive electrode of the voltage stabilizing diode D2 and the constant current power supply V +, and the negative electrode of the voltage stabilizing diode D2 is grounded to form a voltage stabilizing circuit.
The seventh resistor R7 is a current limiting resistor, and the first capacitor C1 is an absorption capacitor.
The first resistor R1, the second resistor R2 and the sixth resistor R6 are all detection resistors, and the fifth resistor R5 is a current regulation resistor.
The first chip U1 and the second chip U2 are both single-chip microcomputers, the model number of the third chip U3 is 78L085, and the third chip U3 is a voltage stabilizing chip.
The colour temperature of first group LED lamp pearl is 3000K, and the colour temperature of second group LED lamp pearl is 6000K.
The dimming module further comprises a switch K1, the switch K1 is connected with the constant current power supply, and the switch K1 is a 86-type wall switch.
When the AC220V is powered on, the switch K1 (namely 86 type wall switch) is switched on, the power supply starts to work, the DC outputs 30-40V voltage, the output current 960MA is obtained, the dimming module 2 starts to work, the voltage and the current at the positive pole of the LED lamp bead form a loop through the negative pole, and therefore the first group of LED lamp beads are lightened, namely 3000K is lightened. When switch K1 disconnection, the power with module 2 is out of work of adjusting luminance, LED lamp pearl is not bright. When switch K1 switch on once more, the power with adjust luminance module 2 work, LED lamp pearl has voltage electric current to pass through the negative pole and form the return circuit to light the second group LED lamp pearl, 6000K is luminous promptly. When switch K1 disconnection, the power with module 2 is out of work of adjusting luminance, LED lamp pearl is not bright. When K1 circular telegram once more, the power with adjust luminance 2 work LED lamp pearls of module have voltage current to pass through the negative pole and form the return circuit to light first group LED lamp pearl and second group LED lamp pearl, 3000K and 6000K are luminous promptly, obtain the luminous 4000K of neutral color temperature. And turning off the AC power supply, namely turning off all color temperature light sources. The above operation content is repeated to realize the operation repeatedly.
As shown in fig. 3, the invention further discloses an LED lamp comprising the dimming module 2, the LED lamp further comprises a driving power supply 4 and a PCB1, the driving power supply 4 is connected with the PCB1, the PCB1 is provided with the first group of LED lamp beads and the second group of LED lamp beads, the dimming module 2 is connected with the PCB1, the dimming module 2 can control to only enable the first group of LED lamp beads to emit light, the dimming module 2 can control to only enable the second group of LED lamp beads to emit light, and the dimming module 2 can control the first group of LED lamp beads and the second group of LED lamp beads to emit light simultaneously, so as to generate a third color temperature.
The LED lamp also comprises a lamp panel 3, a diffusion plate 5 and a frame 6, wherein the PCB1 is fixed on the inner side of the lamp panel 3, and the frame 6 is installed on the lamp panel 3; the diffusion plate 5 is disposed above the lamp panel 3, and the diffusion plate 5 is fixed inside the frame 6.
And (3) frame 6: high-heat-conductivity AL6063 aluminum is adopted, and cutting, assembling and welding forming are carried out after extrusion forming. The structure has good strength, the heat conductivity coefficient is more than 2.0 (W/(m.K), and the heat radiation performance is good.
PCB 1: the surface SMT welding method is characterized in that an aluminum plate with a thermal conductivity coefficient of more than 1.0 (W/(m.K)) made of 1060 materials is used as a base material, one ounce of brass is used for routing, white high-reflection printing ink is used, the reflectivity is more than 80%, and the like.
And (3) a diffusion plate 5: the light is scattered more uniformly by adopting the light-diffusing material plastic optical diffusion plate.
The drive power supply 4: by adopting constant-current isolation driving, the product can be matched with various stroboflash, no stroboflash, high and low PF and power supplies of different manufacturers.
And a lamp panel 3: the panel beating lamp panel, integrated into one piece design, white high temperature resistant paint process, the reflectivity is more than 85% high, and the product structure is firm, and the heat dissipation is good.
The dimming module 2: three groups of lines of the product can be opened and closed through the external 86 type wall switch, and color temperature change of 3000K-6000K-4000K or switching between specified brightness is realized.
The utility model discloses a divide the first group LED lamp pearl of 3000K and two kinds of colour temperatures of 6000K and the second group LED lamp pearl into two tunnel and paste on the aluminium base board of PCB, have the electronic wire to carry out the line connection between the PCB, through external novel dimming module 2 of the invention, the switch of two sets of lamp pearl circuits on the PCB is realized to the switch of cooperation input current to realize the change of product colour temperature. Or ordinary monochromatic LED lamp pearl circuit, cooperation the utility model discloses module 2 that adjusts luminance also realizes the lamps and lanterns adjustting of the lighteness of 100% 50% 15% (the figure can be adjusted as required) through the switch.
The utility model has the advantages that: the double-color-temperature LED lamp has the advantages that the function of controlling three-section color temperature transformation through the switch K1 after carrying the dimming module 2 is achieved, the structure is simple, the production cost is low, and the requirements of users can be met.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. A dimming module, comprising: the LED lamp comprises a voltage stabilizing circuit, a constant current power supply, a first resistor (R1), a second resistor (R2), a third resistor (R3), a fourth resistor (R4), a fifth resistor (R5), a sixth resistor (R6), an eighth resistor (R8), a second capacitor (C2), a third capacitor (C3), a fourth capacitor (C4), a first chip (U1), a second chip (U2), a third chip (U3), a first output MOS tube (Q1), a second output MOS tube (Q2), a first group of LED lamp beads and a second group of LED lamp beads, wherein the color temperatures of the first group of LED lamp beads and the second group of LED lamp beads are different;
the voltage stabilizing circuit is connected with the constant current power supply V +, and the voltage stabilizing circuit is connected with the positive electrode input end of the third chip (U3); the pin 2 of the third chip (U3) is grounded, the pin 3 of the third chip (U3) outputs a specified voltage, the pin 3 of the third chip (U3) is connected with one end of a second capacitor (C2), and the other end of the second capacitor (C2) is grounded to form a filter circuit; the 3 pin of the third chip (U3) is connected with the 4 pins of the second chip (U2) to provide a specified direct current voltage, the 2 pin of the second chip (U2) and the 5 pin of the second chip (U2) are grounded, and the 1 pin and the 3 pin of the second chip (U2) are respectively butted with the 3 pin and the 2 pin of the first chip (U1);
the pin 3 of the third chip (U3) is butted with the pin 1 of the first chip (U1), the pin 3 of the third chip (U3) is respectively connected with the pin 4 of the second chip (U2) and one end of a fifth resistor (R5), the other end of the fifth resistor (R5) is respectively connected with the pin 4 of the first chip (U1), the sixth resistor (R6) and the third capacitor (C3), the other end of the third capacitor (C3) is grounded, and the other end of the sixth resistor (R6) is grounded;
the pin 3 of the third chip (U3) is respectively connected with one end of a first resistor (R1), one end of a second resistor (R2) and the pin 1 of the first chip (U1), the other end of the first resistor (R1) is respectively connected with one end of a third resistor (R3) and the pin 6 of the first chip (U1), the other end of the second resistor (R2) is respectively connected with one end of a fourth resistor (R4) and the pin 7 of the first chip (U1), and the other end of the third resistor (R3) and the other end of the fourth resistor (R4) are connected to the ground to form a loop; the pin 7 of the first chip (U1) is connected with the G pole of a first output MOS tube (Q1), the D pole of the first output MOS tube (Q1) is connected with the first group of LED lamp beads, and the S pole of the first output MOS tube (Q1) is respectively connected with one end of an eighth resistor (R8), one end of a fourth capacitor (C4) and the pin 5 of the first chip (U1); the other end of the eighth resistor (R8) and the other end of the fourth capacitor (C4) are connected to the ground to form a loop, a pin 6 of the first chip (U1) is connected with a pole G of the second output MOS tube (Q2), a pole S of the second output MOS tube (Q2) is connected to the ground, and a pole D of the second output MOS tube (Q2) is connected with the second group of LED lamp beads.
2. The dimming module of claim 1, wherein: the voltage stabilizing circuit comprises a rectifier diode (D1), a voltage stabilizing diode (D2), a seventh resistor (R7) and a first capacitor (C1), wherein the anode of the voltage stabilizing diode (D2) is connected with the constant current power supply V +, the cathode of the voltage stabilizing diode (D2) is connected with one end of the seventh resistor (R7), the other end of the seventh resistor (R7) is connected with the anode input end of a third chip (U3), and the anode of the first capacitor (C1) is connected with the other end of the seventh resistor (R7) and the anode input end of the third chip (U3) respectively; the negative electrode of the first capacitor (C1) is grounded to form a filter circuit; the negative electrode of the rectifier diode (D1) is respectively connected with the positive electrode of the voltage stabilizing diode (D2) and the constant current power supply V +, and the negative electrode of the voltage stabilizing diode (D2) is grounded to form a voltage stabilizing circuit.
3. The dimming module of claim 2, wherein: the seventh resistor (R7) is a current limiting resistor, and the first capacitor (C1) is an absorption capacitor.
4. The dimming module of claim 1, wherein: the first resistor (R1), the second resistor (R2) and the sixth resistor (R6) are all detection resistors, and the fifth resistor (R5) is a current regulation resistor.
5. The dimming module of claim 1, wherein: the first chip (U1) and the second chip (U2) are both single-chip microcomputers, the type of the third chip (U3) is 78L085, and the third chip (U3) is a voltage stabilizing chip.
6. The dimming module of claim 1, wherein: the colour temperature of first group LED lamp pearl is 3000K, and the colour temperature of second group LED lamp pearl is 6000K.
7. Dimming module according to any of claims 1 to 6, characterized in that: the dimming module further comprises a switch (K1), and the switch (K1) is connected with the constant-current power supply.
8. The dimming module of claim 7, wherein: the switch (K1) is a 86-type wall switch.
9. An LED lamp comprising the dimming module of any one of claims 1 to 8, wherein: this LED lamp still includes drive power supply (4), PCB (1), drive power supply (4) with PCB (1) links to each other, install PCB (1) first group LED lamp pearl with second group LED lamp pearl, module (2) of adjusting luminance with PCB (1) links to each other, module (2) of adjusting luminance can be controlled and only make first group LED lamp pearl luminous, module (2) of adjusting luminance can be controlled and only make second group LED lamp pearl luminous, module (2) of adjusting luminance can control first group LED lamp pearl with second group LED lamp pearl is luminous simultaneously to produce the third colour temperature.
10. The LED lamp of claim 9, wherein: the LED lamp also comprises a lamp panel (3), a diffusion plate (5) and a frame (6), wherein the PCB (1) is fixed on the inner side of the lamp panel (3), and the frame (6) is arranged on the lamp panel (3); the diffusion plate (5) is arranged above the lamp panel (3), and the diffusion plate (5) is fixed inside the frame (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020194073.XU CN211831244U (en) | 2020-02-21 | 2020-02-21 | Dimming module and LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020194073.XU CN211831244U (en) | 2020-02-21 | 2020-02-21 | Dimming module and LED lamp |
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| Publication Number | Publication Date |
|---|---|
| CN211831244U true CN211831244U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020194073.XU Active CN211831244U (en) | 2020-02-21 | 2020-02-21 | Dimming module and LED lamp |
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| CN (1) | CN211831244U (en) |
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- 2020-02-21 CN CN202020194073.XU patent/CN211831244U/en active Active
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