CN210469798U - LED lighting equipment capable of adjusting color temperature - Google Patents
LED lighting equipment capable of adjusting color temperature Download PDFInfo
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- CN210469798U CN210469798U CN201920217985.1U CN201920217985U CN210469798U CN 210469798 U CN210469798 U CN 210469798U CN 201920217985 U CN201920217985 U CN 201920217985U CN 210469798 U CN210469798 U CN 210469798U
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Abstract
The utility model discloses a LED lighting apparatus of adjustable colour temperature, LED lighting apparatus including first LED luminescent circuit (2021) that has first colour temperature, second LED luminescent circuit and conduction control circuit (2023) that have the second colour temperature, first LED luminescent circuit (2021), second LED luminescent circuit respectively with conduction control circuit (2023) looks circuit connection. The utility model provides a LED lighting apparatus of adjustable colour temperature can realize adjusting LED lighting apparatus's colour temperature according to the colour temperature parameter information of setting for after LED lighting apparatus dispatches from the factory to the colour temperature of adjustable finished product lamps and lanterns can be suitable for the change of market demand in a flexible way to lamps and lanterns firm, reduces lamps and lanterns firm's inventory pressure and risk. For lamp consumers, the color temperature of the lamp can be automatically adjusted so as to adapt to different living or working environments.
Description
Technical Field
The utility model relates to a lighting apparatus technical field especially relates to a LED lighting apparatus of adjustable colour temperature.
Background
As shown in fig. 1, an LED lamp is generally formed by a constant current driving circuit 101 and an LED lighting device 102 which is driven by the constant current driving circuit 101 to emit light. In the prior art, the LED lighting device 102 is formed by connecting a plurality of LED light emitting diodes arranged on a circuit board in series or in parallel, and all or a part of the LED light emitting diodes are turned on or closed at the same time, so that the color temperature of the LED lighting device after leaving the factory is constant in the working state. Therefore, lamp manufacturers cannot adjust the color temperature of the purchased LED lighting equipment, and when the market demand for the color temperature of the lamp changes, the purchased LED lighting equipment of the lamp manufacturers may form stock overstock, so that great risk and certain economic loss are brought to the lamp manufacturers.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a LED lighting apparatus of adjustable colour temperature. The utility model provides a LED lighting apparatus of adjustable colour temperature, including the first LED luminescent circuit that has first colour temperature, the second LED luminescent circuit that has the second colour temperature and conduction control circuit, first LED luminescent circuit, second LED luminescent circuit respectively with conduction control circuit looks circuit connection.
The utility model provides a LED lighting apparatus of adjustable colour temperature, including first LED luminescent circuit (2021) that has first colour temperature, the second LED luminescent circuit that has the second colour temperature and conduction control circuit (2023), first LED luminescent circuit (2021), second LED luminescent circuit respectively with conduction control circuit (2023) looks circuit connection.
The conduction control circuit (2023) comprises a circuit board, a first switch circuit (20231), a second switch circuit (20232) and a dip switch (20233) provided with a first control pin and a second control pin; the first switch circuit (20231), the second switch circuit (20232) and the dip switch (20233) are all arranged on the circuit board; one end of the first switch circuit (20231) is connected to the first LED lighting circuit (2021), and the other end is connected to the first control pin of the dip switch 20233; one end of the second switch circuit (20232) is connected to the second LED lighting circuit (2022) and the other end is connected to the second control pin of the dip switch (20233). The dip switch (20233) is a rotary type dip switch or a horizontal type dip switch. The dip switch (20233) is a 3-gear 8-section dip switch. The first switch circuit (20231) comprises a first MOS (metal oxide semiconductor) tube (Q1), a first resistor (R1) and a second resistor (R2); the first resistor (R1) is connected with the dip switch (20233) at one end and connected with the grid (G1) of the first MOS tube at the other end; one end of the second resistor (R2) is connected with the grid (G1) of the first MOS tube, and the other end is grounded; the drain electrode (D1) of the first MOS tube is electrically connected with the first LED light-emitting circuit (2021); the source electrode (S1) of the first MOS tube is grounded. The second switch circuit (20232) comprises a second MOS (metal oxide semiconductor) tube (Q2), a third resistor (R3) and a fourth resistor (R4); one end of the third resistor (R3) is connected with the dip switch (20233) and the other end is connected with the grid (G2) of the second MOS tube; one end of the fourth resistor (R4) is connected with the grid (G2) of the second MOS tube, and the other end of the fourth resistor (R4) is grounded; the drain electrode (D2) of the second MOS tube is electrically connected with the second LED light-emitting circuit; the source electrode (S2) of the second MOS tube is grounded. The first LED light-emitting circuit (2021) is formed by connecting five LED light-emitting diodes (LED1, LED4, LED7, LED10 and LED13) in series. The second LED light-emitting circuit is formed by connecting five LED light-emitting diodes (LED2, LED5, LED8, LED11 and LED14) in series. The utility model provides a LED lighting apparatus of adjustable colour temperature still includes first grafting part (J1), first grafting part (J1) includes first conductive terminal and second conductive terminal, first conductive terminal respectively with first LED light-emitting circuit (2021) and second LED light-emitting circuit are connected; the second conductive terminal is grounded. The utility model provides a LED lighting apparatus of adjustable colour temperature still includes third LED luminescence circuit and third switch circuit, the third switch circuit sets up on the circuit board; the third switch circuit comprises a third MOS (metal oxide semiconductor) tube (Q3), a fifth resistor (R5) and a sixth resistor (R6); one end of the fifth resistor (R5) is connected with the dip switch (20233) and the other end is connected with the grid (G3) of the third MOS tube; one end of the second resistor (R2) is connected with the grid (G3) of the third MOS tube, and the other end of the second resistor is grounded; the drain electrode (D3) of the third MOS tube is electrically connected with the third LED light-emitting circuit; the source electrode (S3) of the third MOS tube is grounded. The third LED light-emitting circuit can be formed by connecting a plurality of LED light-emitting diodes in series or in parallel; preferably, the second LED lighting circuit provided by the present embodiment is formed by connecting five LED light emitting diodes (LED3, LED6, LED9, LED12, LED15) in series. The utility model provides a LED lighting apparatus of adjustable colour temperature can realize adjusting LED lighting apparatus's colour temperature according to the colour temperature parameter information of setting for after LED lighting apparatus dispatches from the factory to the colour temperature of adjustable finished product lamps and lanterns can be suitable for the change of market demand in a flexible way to lamps and lanterns firm, reduces lamps and lanterns firm's inventory pressure and risk. For lamp consumers, the color temperature of the lamp can be automatically adjusted so as to adapt to different living or working environments.
Drawings
Fig. 1 is a schematic circuit diagram of a lamp in the background art;
fig. 2 is a schematic circuit structure diagram of an LED lighting device according to a first embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a conduction control circuit according to a first embodiment of the present invention;
fig. 4 is a schematic view of a rotary type dip switch according to a first embodiment of the present invention;
fig. 5 is a schematic view of a horizontal toggle type dip switch according to a first embodiment of the present invention;
fig. 6 is a schematic diagram illustrating an example of color temperature control signals stored in each storage address in the storage unit of the LED lighting device provided in this embodiment;
fig. 7 is a 3 rd 8 th segment type dip switch pin and color temperature corresponding table according to the first embodiment of the present invention;
fig. 8 is a schematic structural diagram of a switching circuit according to a first embodiment of the present invention;
fig. 9 is a schematic circuit diagram of an LED lighting device according to a first embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 2, the LED lighting apparatus 202 capable of adjusting color temperature provided by the present embodiment includes a first LED lighting circuit 2021 with a first color temperature, a second LED lighting circuit 2022 with a second color temperature, and an on-control circuit 2023, where the first LED lighting circuit 2021 and the second LED lighting circuit 2022 are respectively connected to the on-control circuit 2023.
As will be understood by those skilled in the art, the on-control circuit 2023 may generate a control signal for controlling the on-time of the first LED lighting circuit 2021 and the second LED lighting circuit 2022 according to the preset color temperature parameter information, so as to adjust the color temperature of the LED lighting apparatus 202.
As shown in fig. 3, the conduction control circuit 2023 includes a circuit board (not shown), a first switch circuit 20231, a second switch circuit 20232, and a dip switch 20233 having a first control pin and a second control pin; the first switch circuit 20231, the second switch circuit 20232 and the dip switch 20233 are all arranged on the circuit board; one end of the first switch circuit 20231 is connected to the first LED lighting circuit 2021, and the other end is connected to the first control pin of the dip switch 20233; one end of the second switch circuit 20232 is connected to the second LED lighting circuit 2022, and the other end is connected to the second control pin of the dip switch 20233. As will be understood by those skilled in the art, the operator can control the on and off states of the first switch circuit 20231 and the second switch circuit 20232 by operating the dip switch 20233, so as to control the on time of the first LED lighting circuit 2021 and the second LED lighting circuit, thereby implementing the color temperature adjustment of the LED lighting apparatus 202.
Further, the dip switch 20233 may be a rotary type dip switch as shown in fig. 4 or a flat type dip switch as shown in fig. 5.
As can be understood by those skilled in the art, a storage unit is disposed in the dip switch 20233, the storage unit stores different color temperature control signals at different storage addresses, and when the dip switch 20233 is operated to different states, the dip switch 20233 reads the color temperature control signals in the different storage units to control the LED lighting device to realize different color temperature states.
As shown in fig. 6, the LED lighting device provided in the present embodiment is exemplified by the color temperature control signal stored in each storage address in the storage unit.
Further, in the LED lighting device provided in this embodiment, the dip switch 20233 is a 3 rd, 8 th segment type dip switch.
As shown in fig. 7, the LED lighting device can be controlled to seven different color temperature states of 2700K, 3000K, 3500K, 4000K, 5000K, 5700K or 6500K by using the conducting states of the different control pins of the 3 rd 8-stage dip switch.
As shown in fig. 8 or fig. 9, the first switch circuit 20231 includes a first MOS transistor Q1, a first resistor R1, and a second resistor R2; one end of the first resistor R1 is connected to the dip switch 20233, and the other end is connected to the gate G1 of the first MOS transistor; one end of the second resistor R2 is connected with the grid G1 of the first MOS transistor, and the other end is grounded; the drain D1 of the first MOS tube is electrically connected with the first LED light-emitting circuit 2021; the source S1 of the first MOS transistor is grounded.
As shown in fig. 8 or fig. 9, the second switch circuit 20232 includes a second MOS transistor Q2, a third resistor R3, and a fourth resistor R4; one end of the third resistor R3 is connected to the dip switch 20233, and the other end is connected to the gate G2 of the second MOS transistor; one end of the fourth resistor R4 is connected with the grid G2 of the second MOS tube, and the other end is grounded; the drain D2 of the second MOS tube is in circuit connection with the second LED light-emitting circuit; the source electrode (S2) of the second MOS tube is grounded.
As shown in fig. 9, the first LED lighting circuit 2021 may be formed by connecting a plurality of LEDs in series or in parallel; preferably, the first LED lighting circuit 2021 provided by this embodiment is formed by connecting five LED lighting diodes, i.e., an LED1, an LED4, an LED7, an LED10, and an LED13 in series.
As shown in fig. 9, the second LED lighting circuit may be formed by connecting a plurality of LEDs in series or in parallel; preferably, the second LED lighting circuit provided by the present embodiment is formed by connecting five LED lighting diodes, i.e., LED2, LED5, LED8, LED11, and LED14 in series.
As shown in fig. 9, the LED lighting device 202 provided in this embodiment further includes a first plug part (J1), where the first plug part (J1) includes a first conductive terminal and a second conductive terminal, and the first conductive terminal is connected to the first LED lighting circuit 2021 and the second LED lighting circuit, respectively; the second conductive terminal is grounded.
As will be understood by those skilled in the art, the constant current driving circuit may be electrically connected to a second plug component matching with the plug component described in this embodiment, so that the physical structural connection and the electrical connection between the LED lighting device 202 described in this embodiment and the constant current driving circuit may be realized through the first plug component and the second plug component.
The dip switch 20233 may be a Micro Controller Unit (MCU), a Central Processing Unit (CPU), or a baseband chip of a mobile phone. Optimally, a Micro Control Unit (MCU) with low cost, light weight and small volume can be used because of the small processing workload of the color temperature parameter.
As shown in fig. 9, the LED lighting device 202 according to the present embodiment further includes a third LED lighting circuit and a third switching circuit, where the third switching circuit is disposed on the circuit board; the third switching circuit comprises a third MOS transistor Q3, a fifth resistor R5 and a sixth resistor R6; one end of the fifth resistor R5 is connected to the dip switch 20233, and the other end is connected to the gate G3 of the third MOS transistor; one end of the second resistor R2 is connected with the grid G3 of the third MOS transistor, and the other end is grounded; the drain D3 of the third MOS tube is in circuit connection with the third LED light-emitting circuit; the source S3 of the third MOS transistor is grounded.
The third LED light-emitting circuit can be formed by connecting a plurality of LED light-emitting diodes in series or in parallel; preferably, the second LED lighting circuit provided by the present embodiment is formed by connecting five LED lighting diodes, i.e., LED3, LED6, LED9, LED12, and LED15 in series.
Those skilled in the art will understand that the LED lighting device 202 provided in the present embodiment may further include a plurality of LED lighting circuits, such as a fourth LED lighting circuit, a fifth LED lighting circuit, and so on.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (11)
1. An LED lighting device capable of adjusting color temperature, characterized in that: the LED lamp comprises a first LED light-emitting circuit (2021) with a first color temperature, a second LED light-emitting circuit with a second color temperature and a conduction control circuit (2023), wherein the first LED light-emitting circuit (2021) and the second LED light-emitting circuit are respectively in circuit connection with the conduction control circuit (2023).
2. The adjustable color temperature LED illumination device of claim 1, wherein: the conduction control circuit (2023) comprises a circuit board, a first switch circuit (20231), a second switch circuit (20232) and a dip switch (20233) provided with a first control pin and a second control pin; the first switch circuit (20231), the second switch circuit (20232) and the dip switch (20233) are all arranged on the circuit board; one end of the first switch circuit (20231) is connected with the first LED light-emitting circuit (2021), and the other end of the first switch circuit is connected with the first control pin of the dip switch (20233); one end of the second switch circuit (20232) is connected to the second LED lighting circuit (2022) and the other end is connected to the second control pin of the dip switch (20233).
3. The adjustable color temperature LED illumination apparatus of claim 2, wherein: the dip switch (20233) is a rotary type dip switch or a horizontal type dip switch.
4. The adjustable color temperature LED illumination device of claim 3, wherein: the dip switch (20233) is a 3-stage 8-stage dip switch.
5. The LED illumination device with adjustable color temperature of any one of claims 1 to 3, wherein: the first switch circuit (20231) comprises a first MOS (metal oxide semiconductor) tube (Q1), a first resistor (R1) and a second resistor (R2); one end of the first resistor (R1) is connected with a dip switch (20233) and the other end is connected with a grid (G1) of the first MOS tube; one end of the second resistor (R2) is connected with the grid (G1) of the first MOS tube, and the other end is grounded; the drain electrode (D1) of the first MOS tube is electrically connected with the first LED light-emitting circuit (2021); the source electrode (S1) of the first MOS tube is grounded.
6. The adjustable color temperature LED illumination device of claim 5, wherein: the second switch circuit (20232) comprises a second MOS (metal oxide semiconductor) tube (Q2), a third resistor (R3) and a fourth resistor (R4); one end of the third resistor (R3) is connected with the dip switch (20233) and the other end is connected with the grid (G2) of the second MOS tube; one end of the fourth resistor (R4) is connected with the grid (G2) of the second MOS tube, and the other end of the fourth resistor (R4) is grounded; the drain electrode (D2) of the second MOS tube is electrically connected with the second LED light-emitting circuit; the source electrode (S2) of the second MOS tube is grounded.
7. The adjustable color temperature LED illumination device of claim 1, wherein: the first LED light-emitting circuit (2021) is formed by connecting five LED light-emitting diodes in series.
8. The adjustable color temperature LED illumination device of claim 1, wherein: the second LED light-emitting circuit is formed by connecting five LED light-emitting diodes in series.
9. The adjustable color temperature LED illumination device of claim 1, wherein: the LED lamp also comprises a first plug-in component (J1), wherein the first plug-in component (J1) comprises a first conductive terminal and a second conductive terminal, and the first conductive terminal is respectively connected with the first LED light-emitting circuit (2021) and the second LED light-emitting circuit; the second conductive terminal is grounded.
10. The adjustable color temperature LED illumination device of claim 6, wherein: the LED lamp also comprises a third LED light-emitting circuit and a third switch circuit, wherein the third switch circuit is arranged on the circuit board; the third switch circuit comprises a third MOS (metal oxide semiconductor) tube (Q3), a fifth resistor (R5) and a sixth resistor (R6); one end of the fifth resistor (R5) is connected with the dip switch (20233) and the other end is connected with the grid (G3) of the third MOS tube; one end of the second resistor (R2) is connected with the grid (G3) of the third MOS tube, and the other end of the second resistor is grounded; the drain electrode (D3) of the third MOS tube is electrically connected with the third LED light-emitting circuit; the source electrode (S3) of the third MOS tube is grounded.
11. The adjustable color temperature LED illumination device of claim 10, wherein: the third LED light-emitting circuit is formed by connecting five LED light-emitting diodes in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920217985.1U CN210469798U (en) | 2019-02-21 | 2019-02-21 | LED lighting equipment capable of adjusting color temperature |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920217985.1U CN210469798U (en) | 2019-02-21 | 2019-02-21 | LED lighting equipment capable of adjusting color temperature |
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| CN210469798U true CN210469798U (en) | 2020-05-05 |
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| CN201920217985.1U Active CN210469798U (en) | 2019-02-21 | 2019-02-21 | LED lighting equipment capable of adjusting color temperature |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109699108A (en) * | 2019-02-21 | 2019-04-30 | 巨尔(上海)光电照明有限公司 | The LED illumination device and its adjusting method of adjustable color temperature |
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2019
- 2019-02-21 CN CN201920217985.1U patent/CN210469798U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109699108A (en) * | 2019-02-21 | 2019-04-30 | 巨尔(上海)光电照明有限公司 | The LED illumination device and its adjusting method of adjustable color temperature |
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