CN211118855U - Dual-mode eye protection desk lamp - Google Patents
Dual-mode eye protection desk lamp Download PDFInfo
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- CN211118855U CN211118855U CN201921773108.9U CN201921773108U CN211118855U CN 211118855 U CN211118855 U CN 211118855U CN 201921773108 U CN201921773108 U CN 201921773108U CN 211118855 U CN211118855 U CN 211118855U
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Abstract
The utility model provides a double mode eyeshield desk lamp, include: a housing; the light guide plate is arranged in the shell and is provided with one or two light inlet surfaces; the light source is arranged in the shell and is adjacent to the light inlet surface; the light source comprises a reading color temperature light source with a color temperature of 3700-4300K and a scientific research color temperature light source with a color temperature of 5500-6300K. The utility model provides a double mode eyeshield desk lamp realizes the switching of different colour temperatures through reading colour temperature light source and scientific research colour temperature light source to all reach scientific research worker's requirement on colour temperature accuracy and illuminance.
Description
Technical Field
The utility model relates to an illumination engineering field especially relates to a double mode eyeshield desk lamp.
Background
According to industrial practice, the optimal color temperature for reading and writing learning is 3700-4300K; the optimum color temperature for scientific research, identification, manual operation, shooting and the like is 5500-6300K. For researchers, switching between two scenes is often required to adapt the eyes to different requirements.
Most of table lamps in the market at present only have single color temperature, but the table lamps with variable color temperature can not meet the requirements of scientific researchers in color temperature accuracy and illumination. If the lighting purpose required by scientific research is to be achieved, a plurality of table lamps have to be configured by scientific researchers.
SUMMERY OF THE UTILITY MODEL
The features and advantages of the present invention are set forth in part in the description which follows, or may be obvious from the description, or may be learned by practice of the invention.
For overcoming prior art's problem, the utility model provides a double mode eyeshield desk lamp, include:
a housing;
the light guide plate is arranged in the shell and is provided with one or two light inlet surfaces;
the light source is arranged in the shell and is adjacent to the light inlet surface;
the light source comprises a reading color temperature light source with a color temperature of 3700-4300K and a scientific research color temperature light source with a color temperature of 5500-6300K.
Optionally, the reading color temperature light source comprises a plurality of reading color temperatures L ED, the scientific research color temperature light source comprises a plurality of scientific research color temperatures L ED, and the reading color temperatures L ED and the scientific research color temperatures L ED are arranged at intervals.
Optionally, the reading color temperature L ED and the scientific color temperature L ED are 160lm/W of high-color-rendering light sources.
Optionally, the light guide plate has a light inlet surface.
Optionally, the light guide plate has two light inlet surfaces; the reading color temperature light source and the scientific research color temperature light source are respectively adjacent to the two light inlet surfaces.
Optionally, the dual-mode eye-protecting desk lamp comprises a power supply module and a control module connected with the power supply module, and the reading color temperature light source is connected with the control module through a reading color temperature power transmission line; the scientific research color temperature light source is connected with the control module through a scientific research color temperature power transmission line.
Optionally, the control module comprises:
the touch control unit is connected with the power supply module;
the boosting unit is connected with the power supply module;
the constant current control unit is connected with the boosting unit;
and the MOS switching unit is connected with the constant current control unit and the touch control unit.
Optionally, the dual-mode eye-protecting desk lamp further comprises a base and a connecting rod for connecting the base and the shell.
Optionally, the control module is located inside the base.
Optionally, the connecting rod can rotate in a plane perpendicular to the base by taking a connecting point of the connecting rod with the base as a base point; and/or the shell can rotate in a vertical plane by taking the connection point of the shell and the connecting rod as a base point.
The utility model provides a double mode eyeshield desk lamp realizes the switching of different colour temperatures through reading colour temperature light source and scientific research colour temperature light source to all reach scientific research worker's requirement on colour temperature accuracy and illuminance.
The features and content of these solutions will be better understood by those skilled in the art from reading the present description.
Drawings
The advantages and mode of realisation of the invention will become more apparent hereinafter by describing in detail the invention with reference to the attached drawings, wherein the content shown in the drawings is only for explaining the invention, without constituting any limitation to the meaning of the invention, in which:
fig. 1 is a schematic structural view of a dual-mode eye-protecting desk lamp according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of the dual-mode eye-protecting desk lamp according to the embodiment of the present invention.
Fig. 3 is a schematic structural view of a dual-mode eye-protecting desk lamp according to another embodiment of the present invention.
Fig. 4 is a schematic structural view of a dual-mode eye-protecting desk lamp according to another embodiment of the present invention.
Fig. 5 is a schematic structural view of a dual-mode eye-protecting desk lamp according to another embodiment of the present invention.
Fig. 6 is a schematic circuit diagram of the dual-mode eye-protecting desk lamp according to the embodiment of the present invention.
Fig. 7 is a schematic circuit diagram of a touch control unit according to an embodiment of the present invention.
Fig. 8 is a schematic circuit diagram of a MOS switch subunit in the touch control unit according to an embodiment of the present invention.
Fig. 9 is a schematic circuit diagram of a memory subunit in a touch control unit according to an embodiment of the present invention.
Fig. 10 is a schematic circuit diagram of a boosting unit according to an embodiment of the present invention.
Fig. 11 is a schematic circuit diagram of a constant current control unit according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1, the present invention provides a dual-mode eye-protecting desk lamp, which comprises a housing 10, a light guide plate 20, and a light source 30. The light guide plate 20 has one or two light inlet surfaces, the light guide plate 20 is disposed in the housing 10, and the light source 30 is disposed in the housing 10 and adjacent to the light inlet surface of the light guide plate 20; the light source comprises a reading color temperature light source with a color temperature of 3700-4300K and a scientific research color temperature light source with a color temperature of 5500-6300K. Optionally, a vibration-proof layer 40 may be further disposed in the housing 10, and is located between the light guide plate and the housing and parallel to the light-emitting surface of the light guide plate 20.
Referring to fig. 2, in the embodiment, the light guide plate 20 has a light inlet surface 21, and the reading color temperature light source and the scientific color temperature light source are disposed at an interval on one side of the housing and form a single-side light inlet mode with the light guide plate 20. The light guide plate can select a PMMA light guide plate with the thickness of 5.5mm, the length and width of the PMMA light guide plate are formed by laser, 285 and 22.5mm, the white reflection printing ink dots with the size of 96 percent are printed on the back face in a silk-screen mode, the light transmittance of the light guide plate is 92 percent, wherein the long edge of one side of the light guide plate is a light inlet face, and the two sides of the short edge and the long edge of the other side of the light guide plate are pasted with 0.1mm reflection paper.
In the embodiment, the light source 30 comprises a L ED circuit board and a plurality of reading color temperatures L ED and a plurality of scientific research color temperatures L ED which are alternately arranged on the L ED circuit board, the reading color temperature L ED adopts a 0.5W color temperature 3700 plus 4300K light source L ED, the scientific research color temperature L ED adopts a 0.5W color temperature 5500 plus 6300K light source L ED. and all L ED are high-color-rendering light sources of 160lm/W, wherein RA >97, R9>90 and RE > 95.
As shown in fig. 3 and 4, the light guide plate 20 has two light inlet surfaces 21; the reading color temperature light source 31 and the scientific research color temperature light source 32 are respectively adjacent to the two light inlet surfaces to form a two-side light inlet mode. The light guide plate is a PMMA light guide plate with the thickness of 5.5mm, the length, the width and the length of the PMMA light guide plate are 285, the width and the length of the PMMA light guide plate are 22.5mm, white reflection ink dots with the screen printing rate of 96% are printed on the back face of the PMMA light guide plate, the light transmittance of the PMMA light guide plate is 92%, the left long side and the right long side are light inlet faces, and 0.1mm reflection paper 22 is pasted on the two sides of the short side to reflect light back.
In this embodiment, the light source 30 includes a reading color temperature L ED circuit board, a plurality of reading color temperatures L0 ED and scientific color temperature L1 ED circuit boards arranged on the reading color temperature L ED circuit board, and a plurality of scientific color temperatures L ED. reading color temperatures L ED arranged on the scientific color temperature L ED circuit board, which can be selected from a 0.5W color temperature 3700 plus 4300K light source L ED (for example, American Kerui CREE-XPEWHT-L1-0000-00 DE5), and the scientific color temperature L ED can be selected from a 0.5W color temperature 5500 plus 63K light source L ED-2, all L are high color rendering light sources of 160lm/W, RA >97, R9>90, RE > 95.
Referring to fig. 5, in an implementation, the dual-mode eye-protecting desk lamp further includes a base 41, a power supply module 45, and a connecting rod 46 connecting the base 41 and the housing 10. The base 41 is provided therein with a control module 42 and a power supply interface 43 provided on one side of the control module 42. The outer surface of the base 41 is also provided with a control key 47 connected with the control module 42.
The power supply interface 43 is a strong magnetic attraction material socket or a strong magnetic attraction material interface, the power supply module 45 is connected with a charging connector 44 corresponding to the power supply interface 43, and the charging connector 44 is a strong magnetic attraction material or a strong magnetic attraction material plug. Generally, the charging interface 43 is made of a strong magnetic material, and the charging connector 44 is made of a strong magnetic material or a strong magnetic material; alternatively, the charging connector 44 is made of a strong magnetic material, and the charging interface 43 is made of a strong magnetic material or a strong magnetic material.
In another embodiment of the present invention, the power supply interface 43 is a double-sided pluggable Type-C interface, the power supply module 45 is connected to the charging connector 44 corresponding to the power supply interface 43, and the charging connector 44 is a double-sided pluggable USB connector.
The power supply specification of the power supply module 45 is 5 volts, 9 volts and 12 volts.
The link rod 46 is rotatable in a plane perpendicular to the base 41 with its connection point to the base 41 as a base point. Accordingly, the housing 10 can also be rotated in a vertical plane using its connection point to the connecting rod 46 as a base point. Thereby making the light-emitting angle adjustable.
The light source 30 is connected with the control module 42, and performs mode selection control on the control module 42 through the control key 47, on one hand, the power connection is controlled, namely, the switch connection control between the control module 42 and the power supply interface 43 is controlled, and on the other hand, the selective color temperature connection control of the reading color temperature transmission line or the scientific research color temperature transmission line is controlled.
The control button 47 is used as a control switch for inputting signals, and performs programmed control on selective color temperature connection control and/or switch connection control in a button mode with different frequencies. One embodiment is as follows: the key is touched once to achieve the effect of switch connection control; the long-time key is used for achieving the dimming effect; and the color temperature switching is realized by quickly pressing keys twice.
As shown in fig. 6, in a specific implementation, the control module 42 includes a touch control unit 51, a voltage boosting unit 52, and a constant current control unit 53. The power supply module 45 outputs power to the +5V and GND sections of the control module 42 through the plug-in interface, and the power is supplied to the VIN and GND sections of the touch control unit 51 and the boosting unit 52 in parallel through a circuit after entering the control module 42.
Referring to fig. 7, in the touch control unit, after VIN and GND electric energy enters the voltage-reducing integrated circuit U7, the voltage is reduced to +3.3V to supply power to the touch detection integrated circuit U2, the voltage-reducing integrated circuit U7 may use L M78XX series, the touch detection integrated circuit U2 detects a touch signal received by a control key and outputs the touch signal to the programmable single chip microcomputer U5, the touch signal includes one of an on signal, an off signal, a brightness adjustment signal or a mode switching signal, the programmable single chip microcomputer U5 matches the touch signal with an edited program and outputs a PWM signal command to the integrated circuit U4 and the MOS switching unit in the constant current control unit after matching, the touch detection integrated circuit U2 may adopt TCH05B, and the programmable single chip microcomputer U5 may adopt AT89 series, M6805 and the like.
The touch control unit comprises an MOS switching subunit shown in fig. 8, the MOS switching subunit is connected with a pin 6 of a touch detection integrated circuit U5, and after receiving a switching signal of the touch detection integrated circuit U5, the MOS switching subunit starts a loop switching function of L ED-1 (reading color temperature L ED) and L ED-2 (scientific color temperature L ED) of MOS tubes, more specifically, the touch detection integrated circuit U5 controls the conduction or the shutdown of an M0S tube (Q4) and an M0S tube (Q5) by controlling the height of a L ED signal, when the Q4 is conducted, the reading color temperature light source is turned on, and when the Q5 is conducted, the scientific color temperature light source is turned on.
The touch control unit comprises a memory subunit shown in fig. 9, a programmable singlechip U5 matches an obtained touch signal with an edited program, converts the obtained signal into data after matching and writes the data into an F L ASH memory integrated circuit U3, and automatically reads the data of the F L ASH memory integrated circuit U3 and converts the data into signals to be output to a related circuit when the power is off or the power is turned on again.
As shown in FIG. 10, after receiving the input of electric energy, VIN and GND of the boost unit go through the boost IC U1 to boost to +12V, and then supply power to +12V of the constant current control circuit as shown in FIG. 11. the boost IC U1 can adopt a common boost IC, such as BT1004 series products.
The utility model provides a double mode eyeshield desk lamp realizes the switching of different colour temperatures through reading colour temperature light source and scientific research colour temperature light source to all reach scientific research worker's requirement on colour temperature accuracy and illuminance.
The preferred embodiments of the present invention have been described with reference to the accompanying drawings, and those skilled in the art can implement the present invention in various modifications without departing from the scope and spirit of the present invention. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the specification and the drawings of the present invention are included in the scope of the present invention.
Claims (10)
1. A dual mode eye-protecting desk lamp, comprising:
a housing;
the light guide plate is arranged in the shell and is provided with one or two light inlet surfaces;
the light source is arranged in the shell and is adjacent to the light inlet surface;
the light source comprises a reading color temperature light source with a color temperature of 3700-4300K and a scientific research color temperature light source with a color temperature of 5500-6300K.
2. The dual-mode eye-protecting desk lamp of claim 1, wherein the reading color temperature light source comprises L ED, the scientific color temperature light source comprises L ED, and the reading color temperature L ED is spaced apart from the scientific color temperature L ED.
3. The dual-mode eye-protecting desk lamp of claim 2, wherein the reading color temperature L ED and the scientific color temperature L ED are high-color-rendering light sources of 160 lm/W.
4. The dual-mode eye-protecting desk lamp of claim 2, wherein the light guide plate has a light inlet surface.
5. The dual-mode eye-protecting desk lamp of claim 1, wherein the light guide plate has two light inlet faces; the reading color temperature light source and the scientific research color temperature light source are respectively adjacent to the two light inlet surfaces.
6. The dual-mode eye-protecting desk lamp of claim 1, wherein the dual-mode eye-protecting desk lamp comprises a power supply module and a control module connected with the power supply module, and the reading color temperature light source is connected with the control module through a reading color temperature power line; the scientific research color temperature light source is connected with the control module through a scientific research color temperature power transmission line.
7. The dual mode eye-protecting desk lamp of claim 6, wherein the control module comprises:
the touch control unit is connected with the power supply module;
the boosting unit is connected with the power supply module;
the constant current control unit is connected with the boosting unit;
and the MOS switching unit is connected with the constant current control unit and the touch control unit.
8. The dual mode eye-protection desk lamp of claim 6, further comprising a base and a connecting rod for connecting the base and the housing.
9. The dual-mode eye-protecting desk lamp of claim 8, wherein the control module is located inside the base.
10. The dual-mode eye-protecting desk lamp of claim 8, wherein the connecting rod can rotate in a plane perpendicular to the base with a connection point of the connecting rod with the base as a base point; and/or the shell can rotate in a vertical plane by taking the connection point of the shell and the connecting rod as a base point.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821763773 | 2018-10-30 | ||
| CN2018217637735 | 2018-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211118855U true CN211118855U (en) | 2020-07-28 |
Family
ID=71688454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921773108.9U Active CN211118855U (en) | 2018-10-30 | 2019-10-22 | Dual-mode eye protection desk lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211118855U (en) |
-
2019
- 2019-10-22 CN CN201921773108.9U patent/CN211118855U/en active Active
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