CN216491135U - LED lamp capable of setting color temperature and power in multiple stages - Google Patents
LED lamp capable of setting color temperature and power in multiple stages Download PDFInfo
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- CN216491135U CN216491135U CN202123063497.6U CN202123063497U CN216491135U CN 216491135 U CN216491135 U CN 216491135U CN 202123063497 U CN202123063497 U CN 202123063497U CN 216491135 U CN216491135 U CN 216491135U
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Abstract
The utility model discloses a can multistage LED lamps and lanterns of setting for colour temperature and power, including drive circuit, drive circuit includes rectifier circuit and two at least constant current branch roads, the output of constant current branch road is connected with two at least LED load branch roads, drive circuit still includes selection switch, selection switch's public termination rectifier circuit, the selection end connects the constant current branch road respectively, the user can select the constant current branch road and the LED load branch road of different combinations through selection switch according to actual need, reach the purpose of setting for different colour temperatures of LED lamps and lanterns and operating power, the structure is exquisite reasonable, and is with low costs, the operation is simple, also need not frequent switching power switch, reduce the probability that LED lamps and lanterns broke down effectively.
Description
Technical Field
The utility model relates to an illumination lamps and lanterns, especially a LED lamps and lanterns that can multistage settlement colour temperature and power.
Background
The mainstream color temperature lamp light of the existing LED lamp is roughly divided into: warm light (with a color temperature of 2700-; neutral light (4000-; white light (6000-:
the lamp has the advantages that the lamp realizes multi-color temperature conversion through the control of a wireless remote controller and a single chip microcomputer, has the defects of high manufacturing cost and relatively complex operation, cannot well cater to bottom consumers, and is difficult to operate and use by old people because corresponding adjustment is needed during each use;
and secondly, the lamps realizing multi-color temperature conversion are controlled in a segmented manner through external power switches, the manufacturing cost of the lamps is low, the color temperature of the lamps needs to be adjusted by switching the power switches when the lamps are used every time, and in addition, the probability of failure of the LED lamps can be greatly increased through frequent power switch switching, so that the service life of the LEDs is reduced.
The patent document with the publication number of 'CN 212178757U' discloses a color temperature and power adjustable garage lamp, wherein a light source module recorded in the garage lamp comprises two LED lamp sets with different color temperatures, a recorded color temperature adjusting switch is provided with a 3-way dial switch, the 3-way dial switch is combined with 2 diodes or 4 diodes, the power adjustment is realized by combining an MCU (microprogrammed control unit) processor and the on-off of the dial switch, a traditional low-voltage power supply driving mode is adopted, a mains supply is converted into proper voltage through a switching power supply, then the LED light source module is driven through an LED constant current driving special chip, the power adjustment of the LED module needs to be implemented by matching with a single chip Microcomputer (MCU) system, the switch is used for sending instructions to the single chip microcomputer, the single chip microcomputer outputs different duty ratios to control the color temperature and the power output of the LED module, the circuit is complex, and the manufacturing cost is high.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a LED lamp which can set the color temperature and the power in multiple stages.
The utility model provides a technical scheme that its technical problem adopted is:
an LED lamp capable of setting color temperature and power in multiple stages comprises a driving circuit, wherein the driving circuit comprises a rectifying circuit and four constant current branches, the output ends of the constant current branches are connected with LED load branches, the driving circuit further comprises a selection switch, and the rectifying circuit comprises a FUSE FUSE and a rectifier DB 1; the positive phase input end of the rectifier DB1 is connected with a live wire through the FUSE FUSE, the negative phase input end is connected with a zero line, the negative output end is connected with the negative electrode of the LED load branch circuit, the positive output end is connected with the common end of the selector switch, and the input end of the rectifier DB1 is connected with a voltage dependent resistor VR2 in parallel; the LED load branches are two and respectively comprise an LED light source A and an LED light source B; the number of the selection ends of the selection switch is four, and the selection ends are respectively a selection end 1, a selection end 2, a selection end 3 and a selection end 4; the input end of the first constant current branch is divided into two paths, one path is connected with the selection end 4, and the other path is connected with the selection end 1 through a diode D1; the input end of the second constant current branch is connected with the selection end 2 through a diode D2; the input end of the third constant current branch is connected with the selection end 2 through a diode D3; the input end of the fourth constant current branch is divided into two paths, one path is connected with the selection end 3, and the other path is connected with the selection end 1 through a diode D4; the first constant current branch and the second constant current branch are connected in parallel and then connected with the LED light source A, and the third constant current branch and the fourth constant current branch are connected in parallel and then connected with the LED light source B; the constant current branch is provided with a constant current driver, and the model number of the constant current driver is JY 100.
The LED lamp capable of setting color temperature and power in multiple stages comprises a driving circuit, wherein the driving circuit comprises a rectifying circuit, an LED load branch and a constant current branch, the input end of the constant current branch is connected with the rectifying circuit, the driving circuit further comprises a selector switch and four selector branches which are sequentially connected, the output end of each selector branch is connected with the LED load branch, and the common end of each selector switch is connected with the output end of the constant current branch; the rectification circuit comprises a FUSE FUSE and a rectifier DB 1; the positive phase input end of the rectifier DB1 is connected with a live wire through the FUSE FUSE, the negative phase input end is connected with a zero line, the negative output end is connected with the negative electrode of the LED load branch circuit, the positive output end is connected with the common end of the selector switch, and the input end of the rectifier DB1 is connected with a voltage dependent resistor VR2 in parallel; the LED load branches are two and respectively comprise an LED light source A and an LED light source B; the selection branch is provided with three selection ends, namely a selection end 1, a selection end 2 and a selection end 3; four selecting branches are arranged; the input end of the first selection branch is connected with the selection end 1; the input end of the second selection branch is connected with the selection end 3 through a diode D1; the input end of the third selection branch is connected with the selection end 3 through a diode D2; the input end of the fourth selection branch is connected with the selection end 2; the first selection branch and the second selection branch are connected in parallel and then connected with the LED light source A, and the third selection branch and the fourth selection branch are connected in parallel and then connected with the LED light source B; the constant current branch is provided with a constant current driver, and the model number of the constant current driver is JY 100.
The utility model has the advantages that: the utility model discloses a drive circuit still includes the select switch, select switch's public termination rectifier circuit, and the select terminal connects the constant current branch road respectively, and the user can select the constant current branch road and the LED load branch road of different combinations through select switch according to actual need, reaches the purpose of setting for LED lamps and lanterns different colour temperatures and operating power, and the structure is exquisite reasonable, with low costs, easy operation, also need not frequent switching power switch, reduces the probability that LED lamps and lanterns broke down effectively.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic circuit diagram of a first embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a second embodiment of the present invention.
Detailed Description
The first embodiment is as follows:
referring to fig. 1, the LED lamp capable of setting color temperature and power in multiple stages comprises a driving circuit, wherein the driving circuit comprises a rectifying circuit and at least two constant current branches, the output ends of the constant current branches are connected with at least two LED load branches, the driving circuit further comprises a selector switch, the common end of the selector switch is connected with the rectifying circuit, the selector switch is respectively connected with the constant current branches, the selector switch can be arranged on the wall of the lamp or arranged in the lamp, a user can select the constant current branches and the LED load branches with different combinations through the selector switch according to actual needs, the purpose of setting different color temperatures and operating powers of the LED lamp is achieved, the structure is exquisite and reasonable, the cost is low, the operation is simple, frequent power switch is not needed, and the probability of failure of the LED lamp is effectively reduced.
The rectification circuit comprises a FUSE FUSE and a rectifier DB 1; the positive phase input end of the rectifier DB1 is connected with a live wire through the FUSE, the negative phase input end is connected with a zero line, the negative output end is connected with the negative electrode of the LED load branch circuit, the positive output end is connected with the common end of the selector switch, and the input end of the rectifier DB1 is connected with a voltage dependent resistor VR2 in parallel (namely, the two ends are respectively connected with pins 1 and 3 of the rectifier DB 1) to play a role in surge protection.
The selection switch is a mechanical contact switch (marked with K1 in the figure), the model is KD-4, namely one end is a single public end, the other end is provided with four selection ends, the constant current branch is provided with a constant current driver, the model of the constant current driver is JY100, the constant current device is a linear constant current driver, the model is JY100, JY100xx series low-voltage difference constant current drivers have extremely low manufacturing cost, stable current output and no EMI, the constant current precision is high, the selection switch can adapt to a larger voltage fluctuation range, and is suitable for most LED lamps, and the output current is defined by the last two digits of the model, such as: JY10020 represents the device to output current of 20ma, JY10080 represents the device to output current of 80ma, and the current can be selected according to different current requirements when in use.
The constant current branch can also adopt a constant current resistor to replace a constant current driver, and replace the rectifier DB1 with a rectifier chip with a filtering function, so that the LED lamp can realize the same multi-stage setting function.
Four constant current branches are provided; the LED load branches are two and respectively comprise an LED light source A and an LED light source B; four selection ends of the selection switch are respectively a selection end 1, a selection end 2, a selection end 3 and a selection end; the input end of the first constant current branch is divided into two paths, one path is connected with the selection end 4, and the other path is connected with the selection end 1 through a diode D1; the input end of the second constant current branch is connected with the selection end 2 through a diode D2; the input end of the third constant current branch is connected with the selection end 2 through a diode D3; the input end of the fourth constant current branch is divided into two paths, one path is connected with the selection end 3, and the other path is connected with the selection end 1 through a diode D4; the first constant current branch and the second constant current branch are connected in parallel and then connected with the LED light source A, and the third constant current branch and the fourth constant current branch are connected in parallel and then connected with the LED light source B.
The LED light source A and the LED light source B are respectively two groups of LED lamp strings with different color temperatures, drivers installed on four constant current branches are respectively a driver HD1, a driver HD2, a driver HD3 and a driver HD4, are constant current devices of JY100 series, are fixed current output constant current devices with two end pins, and in the embodiment, the driver HD1 and the driver HD4 select the maximum current (assumed as 50ma) required by a single path; driver HD2 and driver HD3 select half of the maximum current of the single path (assumed to be 25 ma).
When the movable contact of the mechanical contact switch K1 is connected to the selection terminal 4, the power output from the rectifying circuit flows through the driver HD1 and turns on the LED light source a (assuming that the light source is warm light), and the whole LED lamp emits warm light of about 10 w.
When the movable contact of the mechanical contact switch K1 contacts the stationary contact 3, power flows through the driver HD4 and lights the LED light source B (assuming that the light source is a positive white light), and the light fixture emits a positive white light of about 10 w.
When the movable contact of the mechanical contact switch K1 is connected with the fixed contact 2, the power supply flows through the diode D2, the diode D3, the driver HD2 and the driver HD3, and lights up the two LED light sources to respectively emit warm light and positive white light, the two groups of light sources with different color temperatures are mixed to generate neutral light, because the output currents of the driver HD2 and the driver HD3 are only half of those of the driver HD1 and the driver HD4, the output powers of the two groups of light sources are both halved, and the total power after the superposition is equivalent to the power 10w of a single-way lamp group.
When the moving contact of the mechanical contact switch K1 makes contact with the stationary contact 1, the power flows through diode D1, diode D4, driver HD1 and driver HD4 and lights up the two LED light sources, again producing neutral light, and the power of the LED lamp is 20w since the current set by driver HD1 and driver HD4 is the current value required for full power.
It should be noted that the current and power of the present embodiment are only an example, and drivers with different current values can be selected according to actual needs to achieve the required power.
Compare in traditional low voltage power supply drive mode, the utility model discloses an adopt be high pressure non-isolation drive mode, directly convert the commercial power into high voltage direct current voltage through bridge rectifier, constant current drive through special chip of high pressure LED constant current and LED module, and carry out the transform of colour temperature and power to it through contact switch, directly in the major loop to contact switch access LED module, directly through the position control LED module colour temperature and the power output of contact, its circuit structure can more simplify, a bridge rectifier, the model is MB6S, the price is 0.05 yuan, a contact switch, the price is 0.16 yuan, four diodes, the model is 1N4007, the price is 4x0.02 ═ 0.08 yuan, two constant current diode, the model is JY100, the price is 0.12x2 ═ 0.24; the comprehensive cost is as follows: 0.53 yuan, the cost is only about 8 percent of the traditional low-voltage power supply driving circuit, and the cost is low.
The second embodiment:
referring to fig. 2, an LED lamp capable of setting color temperature and power in multiple stages includes a driving circuit, the driving circuit comprises a rectifying circuit, at least two LED load branches and a constant current branch with the input end connected with the rectifying circuit, the driving circuit also comprises a selection switch and at least two selection branches which are connected in sequence, the output end of each selection branch is connected with the LED load branch, the common end of the selection switch is connected with the output end of the constant current branch circuit, the selection switch can be arranged on the lamp wall of the lamp, or the LED lamp is arranged in the lamp, a user can select different combinations of the selection branch circuits and the LED load branch circuits through the selection switch according to actual needs, the purpose of setting different color temperatures of the LED lamp is achieved, the structure is exquisite and reasonable, the cost is low, the operation is simple, frequent switching of a power switch is not needed, and the probability of failure of the LED lamp is effectively reduced.
The rectification circuit comprises a FUSE FUSE and a rectifier DB 1; the positive phase input end of the rectifier DB1 is connected with a live wire through the FUSE, the negative phase input end is connected with a zero line, the negative output end is connected with the negative electrode of the LED load branch circuit, the positive output end is connected with the common end of the selector switch, and the input end of the rectifier DB1 is connected with a voltage dependent resistor VR2 in parallel (namely, the two ends are respectively connected with pins 1 and 3 of the rectifier DB 1) to play a role in surge protection.
The selection switch is a mechanical contact switch (marked as K1 in the figure) with the model of KD-3, namely, one end is a single public end, and the other end is provided with 3 selection ends.
The constant current branch is provided with a constant current driver, the model of the constant current driver is JY100, the constant current device is a linear constant current driver, the model of the low-voltage difference constant current driver is JY100, JY100xx series has extremely low manufacturing cost, stable current output and no EMI, the constant current precision is high, the low-voltage difference constant current driver can adapt to a larger voltage fluctuation range, the low-voltage difference constant current driver is suitable for most LED lamps, and the last two digits of the model define output current, such as: JY10020 represents the device to output current of 20ma, JY10080 represents the device to output current of 80ma, and the current can be selected according to different current requirements when in use.
The constant current branch can also adopt a constant current resistor to replace a constant current driver, and replace the rectifier DB1 with a rectifier chip with a filtering function, so that the LED lamp can realize the same multi-color temperature setting function.
The number of the LED load branches is two, and the two LED load branches are respectively an LED light source A and an LED light source B; the selection branch is provided with three selection ends which are respectively a selection end 1, a selection end 2 and a selection end 3; four selecting branches are arranged; the input end of the first selection branch is connected with the selection end 1; the input end of the second selection branch is connected with the selection end 3 through a diode D1; the input end of the third selection branch is connected with the selection end 3 through a diode D2; the input end of the fourth selection branch is connected with the selection end 2; the first selection branch and the second selection branch are connected in parallel and then connected with the LED light source A, and the third selection branch and the fourth selection branch are connected in parallel and then connected with the LED light source B.
The LED light source A and the LED light source B are respectively two groups of LED lamp strings with different color temperatures, the driver installed on the constant current branch is the HD1, the driver is a JY100 series constant current device, and the constant current device is a fixed current output constant current device with two end pins.
When the movable contact of the mechanical contact switch K1 is connected with the selection end 1 or 2, the LED light source A and the LED light source B are respectively lightened, and when the movable contact of the mechanical contact switch K1 is connected with the selection end 3, the LED light source A and the LED light source B are lightened simultaneously, and the power of the three is the same.
Compare in traditional low voltage power supply drive mode, the utility model discloses an adopt be high pressure non-isolation drive mode, through bridge rectifier direct with commercial power conversion high-voltage DC voltage, through the constant current drive of high pressure LED constant current special chip and LED module, and carry out the transform of colour temperature and power to it through contact switch, directly insert the major loop of LED module to contact switch, direct position control LED module colour temperature and the power output through the contact, its circuit structure can more simplify, the cost is only about 8% of traditional low voltage power supply drive circuit, low cost.
In addition, the applicant has applied for a colour temperature and multistage adjustable LED lamps and lanterns of power that application number is "2021214572872" in 2021 year 6 month 29, the utility model discloses a practical application of the former is supplementary, and circuit structure simplifies more than the former, and the cost is lower, the utility model discloses provide a plurality of different practical application schemes with the former jointly, many sets of practical scheme respectively have characteristics, in practical application, can select different circuits to implement according to the demand of difference.
The above embodiments are not intended to limit the scope of the present invention, and those skilled in the art can make modifications and variations equivalent without departing from the overall concept of the present invention.
Claims (2)
1. The LED lamp capable of setting color temperature and power in multiple stages is characterized by comprising a driving circuit, wherein the driving circuit comprises a rectifying circuit and four constant current branches, the output ends of the constant current branches are connected with LED load branches, the driving circuit further comprises a selection switch, and the rectifying circuit comprises a FUSE FUSE and a rectifier DB 1; the positive phase input end of the rectifier DB1 is connected with a live wire through the FUSE FUSE, the negative phase input end is connected with a zero line, the negative output end is connected with the negative electrode of the LED load branch circuit, the positive output end is connected with the common end of the selector switch, and the input end of the rectifier DB1 is connected with a voltage dependent resistor VR2 in parallel; the LED load branches are two and respectively comprise an LED light source A and an LED light source B; the number of the selection ends of the selection switch is four, and the selection ends are respectively a selection end 1, a selection end 2, a selection end 3 and a selection end 4; the input end of the first constant current branch is divided into two paths, one path is connected with the selection end 4, and the other path is connected with the selection end 1 through a diode D1; the input end of the second constant current branch is connected with the selection end 2 through a diode D2; the input end of the third constant current branch is connected with the selection end 2 through a diode D3; the input end of the fourth constant current branch is divided into two paths, one path is connected with the selection end 3, and the other path is connected with the selection end 1 through a diode D4; the first constant current branch and the second constant current branch are connected in parallel and then connected with the LED light source A, and the third constant current branch and the fourth constant current branch are connected in parallel and then connected with the LED light source B; the constant current branch is provided with a constant current driver, and the model number of the constant current driver is JY 100.
2. The LED lamp capable of setting color temperature and power in multiple stages is characterized by comprising a driving circuit, wherein the driving circuit comprises a rectifying circuit, an LED load branch and a constant current branch, the input end of the constant current branch is connected with the rectifying circuit; the rectification circuit comprises a FUSE FUSE and a rectifier DB 1; the positive phase input end of the rectifier DB1 is connected with a live wire through the FUSE FUSE, the negative phase input end is connected with a zero line, the negative output end is connected with the negative electrode of the LED load branch circuit, the positive output end is connected with the common end of the selector switch, and the input end of the rectifier DB1 is connected with a voltage dependent resistor VR2 in parallel; the LED load branches are two and respectively comprise an LED light source A and an LED light source B; the selection branch is provided with three selection ends, namely a selection end 1, a selection end 2 and a selection end 3; four selecting branches are arranged; the input end of the first selection branch is connected with the selection end 1; the input end of the second selection branch is connected with the selection end 3 through a diode D1; the input end of the third selection branch is connected with the selection end 3 through a diode D2; the input end of the fourth selection branch is connected with the selection end 2; the first selection branch and the second selection branch are connected in parallel and then connected with the LED light source A, and the third selection branch and the fourth selection branch are connected in parallel and then connected with the LED light source B; the constant current branch is provided with a constant current driver, and the model number of the constant current driver is JY 100.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121559196X | 2021-07-09 | ||
| CN202121559196 | 2021-07-09 |
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| Publication Number | Publication Date |
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| CN216491135U true CN216491135U (en) | 2022-05-10 |
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| CN202123063497.6U Active CN216491135U (en) | 2021-07-09 | 2021-12-08 | LED lamp capable of setting color temperature and power in multiple stages |
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- 2021-12-08 CN CN202123063497.6U patent/CN216491135U/en active Active
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