CN204031539U - A kind of mini light night - Google Patents
A kind of mini light night Download PDFInfo
- Publication number
- CN204031539U CN204031539U CN201420406360.7U CN201420406360U CN204031539U CN 204031539 U CN204031539 U CN 204031539U CN 201420406360 U CN201420406360 U CN 201420406360U CN 204031539 U CN204031539 U CN 204031539U
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- npn triode
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The purpose of this utility model is to provide a kind of mini light night, its circuit structure comprises power circuit, central control circuit and illuminating circuit, central control circuit connects illuminating circuit, power circuit one end powers to central control circuit, illuminating circuit, power circuit other end earth connection, illuminating circuit comprises the first look luminescence unit, the second look luminescence unit and three-colour light-emitting unit.A kind of mini light night that the utility model provides, use powered battery, still can use when power-off, be not limited to household, the bright of chip controls LED modules with different colors lamp puts out the light that alternately can send different colours, and light is bright and colourful, rich dynamic; Shell is translucent cartoon shape, and structure is simple, and good looking appearance, has a good application prospect.
Description
Technical field
The utility model belongs to house technical field of electrical equipment, relates to a kind of mini light night.
Background technology
Along with the development in epoch, the progress of society, mini light night has come into huge numbers of families, mini light night has the soft feature of light, can play the effect of floor light evening, exquisite with the smaller night-light profile of conventional fluorescent lamps, there is certain decorative effect, very popular.
Existing domestic night lamp, does not have energy storage function usually, under powering-off state or under plug extracts situation, mini light night just loses effect, can only feel about in the dark and go for the object that candle, flashlight etc. can be luminous, both dangerous inconvenient yet.And the light that a lot of mini light night sends is comparatively single, and light lacks dynamic.These above-mentioned mini light nights are generally all loaded on household wall, can not be separated and carry with use independently.
Utility model content
The purpose of this utility model is to provide a kind of mini light night, solves above-mentioned one or multiple of the prior art.
The purpose of this utility model is to provide a kind of mini light night, its circuit structure comprises power circuit, central control circuit and illuminating circuit, central control circuit connects illuminating circuit, power circuit one end powers to central control circuit, illuminating circuit, power circuit other end earth connection, illuminating circuit comprises the first look luminescence unit, the second look luminescence unit and three-colour light-emitting unit;
First look luminescence unit comprises the first look luminous subelement and a NPN triode, first look luminous subelement comprises the first look luminescent device L1 and the first resistance, first look luminescent device and the first resistant series, first look luminous subelement one end connects power circuit, the other end is connected with the C pole of a NPN triode, the B pole of the one NPN triode is connected with central control circuit, the E pole earth connection of a NPN triode;
Second look luminescence unit comprises the second look luminous subelement and the 2nd NPN triode, second look luminous subelement comprises the second look luminescent device and the second resistance, second look luminescent device and the second resistant series, second look luminous subelement one end connects power circuit, the other end is connected with the C pole of the 2nd NPN triode, the B pole of the 2nd NPN triode is connected with central control circuit, the E pole earth connection of the 2nd NPN triode;
Three-colour light-emitting unit comprises three-colour light-emitting subelement and the 3rd NPN triode, three-colour light-emitting subelement comprises three-colour light-emitting device and the 3rd resistance, three-colour light-emitting device and the 3rd resistant series, three-colour light-emitting subelement one end connects power circuit, the other end is connected with the C pole of the 3rd NPN triode, the B pole of the 3rd NPN triode is connected with central control circuit, the E pole earth connection of the 3rd NPN triode.
A kind of mini light night that the utility model provides, is not limited to household, and the luminescence unit of 3 kinds of different colours sends the light of three kinds of colors, and 3 kinds of color lights are mixed into the light of multiple color, and light is bright and colourful.
In some embodiments, the first look luminous subelement number is in parallel between three, three the first look luminous subelements; Second look luminous subelement number is in parallel between three, three the second look luminous subelements; Three-colour light-emitting subelement number is in parallel between three, three three-colour light-emitting subelements.Luminescence unit comprises multiple luminous subelement, by regulating the quantity of luminous subelement work and regulating the brightness of luminescence unit, thus is mixed into the light of more colors.
In some embodiments, central control circuit also comprises timing options switch, and timing options switch one end connects central control circuit, other end earth connection.Timing options switch for controlling the output time of the signal of telecommunication in central control circuit, thus plays the effect of timing.
In some embodiments, central control circuit also comprises reset circuit.Be used for making circuit return to initial state.
In some embodiments, the 4th resistance is connected with between the B pole of the one NPN triode and central control circuit, be connected with the 5th resistance between the B pole of the 2nd NPN triode and central control circuit, between the B pole of the 3rd NPN triode and central control circuit, be connected with the 6th resistance.Prevent that electric current is excessive burns out chip.
In some embodiments, also comprise shell, pcb board, battery case, pcb board is integrated with power circuit, central control circuit and illuminating circuit, and jacket establishes pcb board to be integrated with the one side of illuminating circuit, shell is fixed on battery case, and power circuit is electrically connected with battery case.Use powered battery, still can use when power-off.
In some embodiments, power circuit also comprises booster circuit.In the undesirable situation of voltage that battery provides, regulation voltage is to illuminating circuit required voltage size.
In some embodiments, outer casing bottom edge is provided with flange, and battery case is provided with the draw-in groove matched with flange.Self-contained battery box, not easily separated.
In some embodiments, pcb board is provided with reflective membrane.Light reflection LED sent is gone out, and produces strong reflecting effect, adds brightness.
Accompanying drawing explanation
Fig. 1 is the decomposition chart of the utility model mini light night;
Fig. 2 is the profile of the utility model mini light night;
Fig. 3 is the utility model mini light night front view;
Fig. 4 is the circuit diagram of the utility model mini light night.
Embodiment
As shown in Figure 4, the utility model provides a kind of mini light night, its circuit structure comprises power circuit, central control circuit and illuminating circuit, central control circuit connects illuminating circuit, power circuit one end powers to central control circuit, illuminating circuit, power circuit other end earth connection, illuminating circuit comprises the first look luminescence unit, the second look luminescence unit and three-colour light-emitting unit.The luminescence unit of 3 kinds of different colours sends the light of three kinds of colors, and 3 kinds of color lights are mixed into the light of multiple color, and light is bright and colourful.
Central control circuit also comprises timing options switch S 2, and timing options switch S 2 one end connects central control circuit, other end earth connection.Timing options switch for controlling the output time of the signal of telecommunication in central control circuit, thus plays the effect of timing.Central control circuit also comprises reset circuit, and reset circuit is the common circuit generally adopting this area, is used for making circuit return to initial state.
In central control circuit, No. 1 of chip (adopting the single-chip microcomputer STC12C5404AD that macrocrystalline scientific & technical corporation produces in the present embodiment) is supply pin, No. 2 access timing options switch S 2 of chip, and timing options switch S 2 other end earth connection, No. 1 pin and No. 4 pin of chip access reset circuit, No. 6 pin access switch S 1 of chip, and switch S 1 other end earth connection, No. 8 pin earth connections of chip, shunt capacitance C1 between the supply pin of chip and ground wire, plays the effect of denoising.
Power circuit also comprises booster circuit, and booster circuit is the common circuit generally adopting this area, and in the undesirable situation of voltage that battery provides, regulation voltage is to illuminating circuit required voltage size.
In the present embodiment, first look luminescence unit comprises 3 the first look luminous subelements in parallel, first look luminous subelement comprises the first look luminescent device L1 and the first resistance R1, first resistance R1 prevents that electric current is excessive burns out LED, after first look luminescent device L1 and the first resistance R1 connect, one end is connected power circuit, the other end connects the C pole of a NPN triode Q1, the E pole earth connection of the one NPN triode Q1, the B pole of the one NPN triode Q1 connects No. 7 pin of central control circuit chips, the 4th resistance R11 is connected with between the B pole of the one NPN triode Q1 and chip No. 7 pin, in order to prevent, electric current is excessive burns out chip.
Second look luminescence unit comprises 3 the second look luminous subelements in parallel, second look luminous subelement comprises the second look luminescent device L2 and the second resistance R2, second resistance R2 prevents that electric current is excessive burns out LED, after second look luminescent device L2 and the second resistance R2 connect, one end is connected power circuit, the other end connects the C pole of the 2nd NPN triode Q2, the E pole earth connection of the 2nd NPN triode Q2, the B pole of the 2nd NPN triode Q2 connects No. 5 pin of central control circuit chips, the 5th resistance R12 is connected with between the B pole of the 2nd NPN triode Q2 and No. 5 pin, in order to prevent, electric current is excessive burns out chip.
Three-colour light-emitting unit comprises 3 three-colour light-emitting subelements in parallel, three-colour light-emitting subelement comprises three-colour light-emitting device L3 and the 3rd resistance R3, 3rd resistance R3 prevents that electric current is excessive burns out LED, after three-colour light-emitting device L3 and the 3rd resistance R3 connect, one end is connected power circuit, the other end connects the C pole of the 3rd NPN triode Q3, the E pole earth connection of the 3rd NPN triode Q3, the B pole of the 3rd NPN triode Q3 connects No. 3 pin of central control circuit chips, the 6th resistance R13 is connected with between the B pole of the 3rd NPN triode Q3 and No. 3 pin, in order to prevent, electric current is excessive burns out chip.
Luminescence unit comprises multiple luminous subelement, by regulating the quantity of luminous subelement work and regulating the brightness of luminescence unit, thus is mixed into the light of more colors.
As shown in Figure 1, 2, the utility model mini light night also comprises shell 1, pcb board 2, battery case 3, and pcb board 2 is integrated with power circuit, central control circuit and illuminating circuit, and pcb board 2 is pasted with reflective membrane 21.Light reflection LED sent is gone out, and produces strong reflecting effect, adds brightness.Shell 1 is made up of TPE material, and be translucent, and shell 1 profile is a teddy bear (as shown in Figure 3), is circular open bottom shell 1.Shell 1 covers in the one side that pcb board 2 is integrated with illuminating circuit, is evenly provided with 4 flanges 11 inside shell 1 bottom margin.Battery case 3 is circular, and mate with shell 1 bottom opening, battery case 3 has the draw-in groove 31 matched with flange 11, draw-in groove 31 upper edge evenly has 4 breach 32, and the position of breach 32 is identical with the position of flange 11, when battery case 3 is connected with shell 1, flange 11 gap crossing 32 terminates in draw-in groove 31 lower edge, rotate battery case 3, flange 11 is positioned at draw-in groove 31, and battery case 3 is fixed on shell 1.Applying glue in draw-in groove 31, it is fixing to bind further.Power circuit is electrically connected with battery case 3, and is screwed on battery case 3.Battery case 3 is furnished with supporting battery case lid 33, and battery 4 is installed in battery case 3, and battery case lid 33 is arranged on battery case 3.Use powered battery, still can use when power-off.
In the present embodiment, the first look luminescence unit is emitting red light unit, and the second look luminescence unit is green emitting unit, and three-colour light-emitting unit is blue-light-emitting unit; First look luminous subelement is emitting red light subelement, and the second look luminous subelement is green emitting subelement, and three-colour light-emitting subelement is blue-light-emitting subelement; First look luminescent device L1 is red LED lamp, and the second look luminescent device L2 is green LED lamp, and three-colour light-emitting device L3 is blue led lamp.By 3,5, No. 7 pin output levels of chip, LED can be controlled and send red, green, blue.Such as, only export high level to red LED lamp, to other LED output low levels, so mini light night will send red light; Only export high level to green LED lamp, to other LED output low levels, so mini light night will send green light; Only export high level to blue led lamp, to other LED output low levels, so mini light night will send blue light.When output pin export be duty change square wave PWM (pulse width modulation) time, the LED luminance of three kinds of colors also can change.Plug-in also changes the duty ratio of PWM by the mode calculated, and to realize the brilliance control of three kinds of colors, when the color of three kinds of different brightness mixes, can become shades of colour with regard to change.Therefore, as long as chip sends periodic level to LED, LED can, by the certain time interval variable color preset, be just 3s in the present embodiment after lighting, and cyclically sending red, green, blue, the sequence of light changing three-color LED light just can realize alternately sending red, green, blue.
A kind of mini light night that the utility model provides, uses powered battery, still can use, be not limited to household when power-off; The bright of chip controls LED modules with different colors lamp puts out the light that alternately can send different colours, and light is bright and colourful, rich dynamic; Shell is translucent cartoon shape, and structure is simple, and good looking appearance, has a good application prospect.
Claims (9)
1. a mini light night, it is characterized in that, its circuit structure comprises power circuit, central control circuit and illuminating circuit, described central control circuit connects described illuminating circuit, described power circuit one end powers to described central control circuit, illuminating circuit, described power circuit other end earth connection, described illuminating circuit comprises the first look luminescence unit, the second look luminescence unit and three-colour light-emitting unit;
Described first look luminescence unit comprises the first look luminous subelement and a NPN triode (Q1), described first look luminous subelement comprises the first look luminescent device (L1) and the first resistance (R1), described first look luminescent device (L1) is connected with described first resistance (R1), described first look luminous subelement one end connects power circuit, the other end is connected with the C pole of a described NPN triode (Q1), the B pole of a described NPN triode (Q1) is connected with described central control circuit, the E pole earth connection of a described NPN triode (Q1),
Described second look luminescence unit comprises the second look luminous subelement and the 2nd NPN triode (Q2), described second look luminous subelement comprises the second look luminescent device (L2) and the second resistance (R2), described second look luminescent device (L2) is connected with described second resistance (R2), described second look luminous subelement one end connects power circuit, the other end is connected with the C pole of described 2nd NPN triode (Q2), the B pole of described 2nd NPN triode (Q2) is connected with described central control circuit, the E pole earth connection of described 2nd NPN triode (Q2),
Described three-colour light-emitting unit comprises three-colour light-emitting subelement and the 3rd NPN triode (Q3), described three-colour light-emitting subelement comprises three-colour light-emitting device (L3) and the 3rd resistance (R3), described three-colour light-emitting device (L3) is connected with described 3rd resistance (R3), described three-colour light-emitting subelement one end connects power circuit, the other end is connected with the C pole of described 3rd NPN triode (Q3), the B pole of described 3rd NPN triode (Q3) is connected with described central control circuit, the E pole earth connection of described 3rd NPN triode (Q3).
2. mini light night according to claim 1, is characterized in that, the number of described first look luminous subelement is in parallel between three, three described first look luminous subelements; Described second look luminous subelement has number to be in parallel between three, three described second look luminous subelements; Described three-colour light-emitting subelement has number to be in parallel between three, three described three-colour light-emitting subelements.
3. mini light night according to claim 1, is characterized in that, described central control circuit also comprises timing options switch (S2), and timing options switch (S2) one end connects described central control circuit, other end earth connection.
4. mini light night according to claim 1, is characterized in that, described central control circuit also comprises reset circuit.
5. mini light night according to claim 1, it is characterized in that, the 4th resistance (R11) is connected with between the B pole of a described NPN triode (Q1) and described central control circuit, be connected with the 5th resistance (R12) between the B pole of described 2nd NPN triode (Q2) and described central control circuit, between the B pole of described 3rd NPN triode (Q3) and described central control circuit, be connected with the 6th resistance (R13).
6. mini light night according to claim 1, it is characterized in that, also comprise shell (1), pcb board (2), battery case (3), described pcb board (2) is integrated with described power circuit, central control circuit and illuminating circuit, described shell (1) cover establishes described pcb board (2) to be integrated with the one side of described illuminating circuit, described shell (1) is fixed on described battery case (3), and described power circuit is electrically connected with described battery case (3).
7. mini light night according to claim 1, is characterized in that, described power circuit also comprises booster circuit.
8. mini light night according to claim 6, it is characterized in that, described shell (1) bottom margin is provided with flange (11), and described battery case (3) is provided with the draw-in groove (31) matched with flange (11).
9. mini light night according to claim 6, is characterized in that, described pcb board (2) is provided with reflective membrane (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420406360.7U CN204031539U (en) | 2014-07-22 | 2014-07-22 | A kind of mini light night |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420406360.7U CN204031539U (en) | 2014-07-22 | 2014-07-22 | A kind of mini light night |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204031539U true CN204031539U (en) | 2014-12-17 |
Family
ID=52071360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420406360.7U Expired - Fee Related CN204031539U (en) | 2014-07-22 | 2014-07-22 | A kind of mini light night |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204031539U (en) |
-
2014
- 2014-07-22 CN CN201420406360.7U patent/CN204031539U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20180722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |