CN207460566U - A kind of interior reading lamp that brightness regulation is carried out using capacitance draw runner - Google Patents
A kind of interior reading lamp that brightness regulation is carried out using capacitance draw runner Download PDFInfo
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- CN207460566U CN207460566U CN201721229678.2U CN201721229678U CN207460566U CN 207460566 U CN207460566 U CN 207460566U CN 201721229678 U CN201721229678 U CN 201721229678U CN 207460566 U CN207460566 U CN 207460566U
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- draw runner
- capacitance
- pcb board
- light source
- electrically connected
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Abstract
The utility model belongs to automobile lamp technical field, specially a kind of interior reading lamp that brightness is adjusted using capacitance draw runner that the brightness regulation of reading lamp can be carried out using capacitance draw runner, including lampshade (1), light source (2), capacitance draw runner (3) and control pcb board (4)；Lampshade (1) encapsulates light source (2), capacitance draw runner (3) and control pcb board (4), the light source (2), capacitance draw runner (3) are electrically connected respectively with pcb board (4), and pcb board (4) is equipped with power supply chip (5), microcontroller (6) and low side driving chip (7)；The power supply chip (5) is electrically connected with microcontroller (6), capacitance draw runner (3) is electrically connected with pcb board (4) refers to that capacitance draw runner (3) is electrically connected with microcontroller (6), microcontroller (6) is electrically connected successively with low side driving chip (7) and light source (2), and the power supply chip (5) and light source (2) are electrically connected respectively with automobile power source.
Description
Technical field
The utility model belongs to automobile lamp technical field, is specially a kind of vehicle that brightness regulation is carried out using capacitance draw runner
Interior reading lamp.
Background technology
Interior reading lamp provides illumination when mainly being read to interior passenger.Centainly bright is needed during due to reading
Degree can just be met the requirements, therefore interior reading lamp can determine brightness according to this requirement.In order to which client is allowed to be easier in the car
It is operated, car generally all directly uses switch to operate reading lamp.But when each user reads, due to user
People's subjective feeling, the fonts of the books and periodicals of reading, material etc. factor, brightness demand when each user is to reading differs, but mesh
The brightness of reading lamp is mostly changeless in front truck.
Utility model content
The purpose of this utility model is that provide a kind of can carry out the brightness regulation of reading lamp using capacitance draw runner
The interior reading lamp of brightness is adjusted using capacitance draw runner.
Technical solution is used by solving its technical problem：A kind of car that brightness regulation is carried out using capacitance draw runner is read
Lamp is read, including lampshade, light source, capacitance draw runner and control pcb board；The lampshade seals light source, capacitance draw runner and control pcb board
Dress, the light source, capacitance draw runner are electrically connected respectively with pcb board, and the pcb board is equipped with power supply chip, microcontroller and low side and drives
Dynamic chip；The power supply chip and monolithic mechatronics, the capacitance draw runner is electrically connected with pcb board refers to capacitance draw runner and monolithic
Mechatronics, the microcontroller are electrically connected successively with low side driving chip and light source, the power supply chip and light source respectively with vapour
Vehicle power electric connection.
Clock chip is additionally provided on pcb board preferably, further including, the clock chip and monolithic mechatronics.
Preferably, the capacitance draw runner is additionally provided with the label region for display brightness value.
The reading lamp in vehicle that brightness regulation is carried out using capacitance draw runner of the utility model is had the advantage that：This practicality is new
The interior reading lamp that brightness regulation is carried out using capacitance draw runner of type is adjusted automobile inner light source power using capacitance draw runner,
Using connecting between pcb board and capacitance and being encapsulated by lampshade, mode that is simple in structure and being adjusted to light is simple.
Description of the drawings
Fig. 1 is the structure diagram of the interior reading lamp that brightness regulation is carried out using capacitance draw runner of the utility model.
Fig. 2 is the structure of the capacitance draw runner of the interior reading lamp that brightness regulation is carried out using capacitance draw runner of the utility model
Schematic diagram.
Fig. 3 is the electricity of the interior reading lamp that brightness regulation is carried out using capacitance draw runner of the utility model of the utility model
Road connection diagram.
Description of the drawings：1st, lampshade, 2, light source, 3, capacitance draw runner, 31, label region, 4, control pcb board, 5, power supply chip,
6th, microcontroller, 7, low side driving chip, 8, clock chip.
Specific embodiment
As shown in the figure, a kind of interior reading lamp that brightness regulation is carried out using capacitance draw runner, including lampshade 1, light source 2, electricity
Hold draw runner 3 and control pcb board 4；The lampshade 1 encapsulates light source 2, capacitance draw runner 3 and control pcb board 4, the light source 2, capacitance
Draw runner 3 is electrically connected respectively with pcb board 4, and the pcb board 4 is equipped with power supply chip 5, microcontroller 6 and low side driving chip 7；It is described
Power supply chip 5 is electrically connected with microcontroller 6, and the capacitance draw runner 3 is electrically connected with pcb board 4 refers to capacitance draw runner 3 and 6 electricity of microcontroller
Connection, the microcontroller 6 is electrically connected successively with low side driving chip 7 and light source 2, the power supply chip 5 and light source 2 respectively with vapour
Vehicle power electric connection；It further includes and clock chip 8 is additionally provided on pcb board 4, the clock chip 8 is electrically connected with microcontroller 6；It is described
Capacitance draw runner 3 is additionally provided with the label region 31 for display brightness value.
In the specific implementation, pcb board is controlled to provide driving current to light source, and is controlled according to the capacitance draw runner information of acquisition
The switch of light source processed and brightness；Capacitance draw runner and the external world are there are a capacitance, when a certain region for being manually placed at capacitance draw runner
When, control pcb board can read finger in the position of capacitance draw runner, so as to control the brightness of light source；Lampshade is placed on light source
And the top of capacitance draw runner, there is waterproof and light transmission；The draw runner of the adjustable reading lamp of capacitance draw runner brightness, capacitance are slided
There are several induction regions with label region on item, when hand is close to 0 region, lamp extinguishes；When hand is successively close to 1-5 regions
When, the brightness enhancing of lamp, and reach most strong at 5.When between 5 to 0, lamp extinguishes；Capacitance draw runner brightness is adjustable reading lamp
Implementing circuit, control pcb board include power supply chip, microcontroller, low side driving chip and clock chip；The power supply chip and vapour
Vehicle power supply connects；Light source is connected between the low side driving chip and automobile power source, and power supply chip is by the power supply of automobile power source
Voltage conversion is powered into the operating voltage of microcontroller to microcontroller；The value of microcontroller sampling capacitance draw runner, when hand is close to body light
When, some region of capacitance increase of capacitance draw runner, when microcontroller, which samples this area capacitance value, is more than the threshold value of setting,
Microcontroller exports the square wave of certain duty cycle to the output pin of low side driving chip, so as to control the brightness of light source.
Using the above-mentioned desirable embodiment according to utility model as enlightenment, pass through above-mentioned description, relevant staff
Various changes and amendments can be carried out in the range of without departing from this item utility model technological thought completely, this item is practical
New technical scope is not limited to the content on specification, it is necessary to determine that its is technical according to right
Scope.
Claims (3)
1. a kind of interior reading lamp that brightness regulation is carried out using capacitance draw runner, it is characterised in that：Including lampshade (1), light source
(2), capacitance draw runner (3) and control pcb board (4)；The lampshade (1) is by light source (2), capacitance draw runner (3) and controls pcb board (4)
Encapsulation, the light source (2), capacitance draw runner (3) are electrically connected respectively with pcb board (4), and the pcb board (4) is equipped with power supply chip
(5), microcontroller (6) and low side driving chip (7)；The power supply chip (5) is electrically connected with microcontroller (6), the capacitance draw runner
(3) it is electrically connected with pcb board (4) and refers to that capacitance draw runner (3) is electrically connected with microcontroller (6), the microcontroller (6) is driven successively with low side
Dynamic chip (7) and light source (2) electrical connection, the power supply chip (5) and light source (2) are electrically connected respectively with automobile power source.
2. the interior reading lamp according to claim 1 that brightness regulation is carried out using capacitance draw runner, it is characterised in that：Also wrap
It includes and clock chip (8) is additionally provided on pcb board (4), the clock chip (8) is electrically connected with microcontroller (6).
3. the interior reading lamp according to claim 1 that brightness regulation is carried out using capacitance draw runner, it is characterised in that：It is described
Capacitance draw runner (3) is additionally provided with the label region (31) for display brightness value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721229678.2U CN207460566U (en) | 2017-09-25 | 2017-09-25 | A kind of interior reading lamp that brightness regulation is carried out using capacitance draw runner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721229678.2U CN207460566U (en) | 2017-09-25 | 2017-09-25 | A kind of interior reading lamp that brightness regulation is carried out using capacitance draw runner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207460566U true CN207460566U (en) | 2018-06-05 |
Family
ID=62283843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721229678.2U Active CN207460566U (en) | 2017-09-25 | 2017-09-25 | A kind of interior reading lamp that brightness regulation is carried out using capacitance draw runner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207460566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108575031A (en) * | 2017-09-25 | 2018-09-25 | 常州星宇车灯股份有限公司 | A kind of interior reading lamp carrying out brightness regulation using capacitance draw runner |
-
2017
- 2017-09-25 CN CN201721229678.2U patent/CN207460566U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108575031A (en) * | 2017-09-25 | 2018-09-25 | 常州星宇车灯股份有限公司 | A kind of interior reading lamp carrying out brightness regulation using capacitance draw runner |
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