CN202927603U - Desk lamp - Google Patents

Abstract

The utility model discloses a desk lamp, the lighting lamp body of which comprises a shell, a first light source and a rotary table are arranged in the shell, a plurality of light filters with different colors are embedded on the rotary table, the light emitted by the first light source is transmitted from the light filters with different colors, thereby changing the color irradiated by the first light source, and the light with different colors can be selected according to the study content; the table lamp is characterized in that an induction dimming control unit for turning on and off a power switch and adjusting the brightness of a first light source is arranged in a lamp body of the table lamp, a touch induction surface is arranged on a base shell, and the brightness of the first light source can be adjusted through the touch induction surface; the desk lamp can change color and adjust color according to the requirements of learning contents, so that the learning efficiency is improved; the desk lamp has the advantages that the night lamp can accompany the sleep and has a striking function, a user can conveniently determine the position of the desk lamp, the reading distance reminder can prevent myopia, and the desk lamp is comprehensive in function.

Description

desk lamp

technical field

The utility model relates to a desk lamp, in particular to a multifunctional desk lamp with adjustable illumination color.

Background technique

Desk lamp is one of the lighting fixtures commonly used by people. Desk lamp is also a lighting tool for students to study at night. It is scientifically pointed out that "the human brain has different learning effects according to the color temperature and illuminance", so different colors of light have different learning effects. Learning efficiency can be improved by choosing the appropriate lighting color to match the learning content. Existing desk lamps that can change the color of light, such as the patent No. 200910038224.0, the invention patent of perceptually adjustable LED desk lamps, use a plurality of red LEDs, green LEDs, blue LEDs and white LEDs with adjustable color temperature and color volume as light sources. The PWM control signal sent by the external part is used to process the increased DC power supply as the rated power supply, so as to light up the light of the required color. The circuit of this patent is complicated and there are many components, which leads to an increase in cost.

Therefore how to design a kind of multifunctional desk lamp with simple structure and adjustable illumination color is a technical problem to be solved urgently in the industry.

Contents of the invention

The main purpose of the utility model is to provide a desk lamp, which aims to realize that the illumination color and brightness of the desk lamp can be adjusted according to the needs of the learning content, and its structure is simple, which can reduce the production cost.

The utility model provides a desk lamp, which comprises a lamp body of the desk lamp. The lamp body of the desk lamp includes a lamp post, a base connected to one end of the lamp post, and a lighting lamp body hinged to the other end of the lamp post. The lighting lamp body It includes a casing composed of an upper cover and a bottom plate, a first light source arranged in the casing, a transparent cover corresponding to the first light source, and a transparent cover arranged on the bottom plate and adapted to the transparent cover. The light hole, the light transmission cover is placed in the light transmission hole, the light transmission cover includes a frame and a light transmission sheet arranged in the frame, and the first light source is fixedly arranged in the upper cover A turntable is arranged between the first light source and the light-transmitting cover, and a number of through holes corresponding to the first light source are evenly distributed on the turntable, and several filters of different colors are installed on the turntable respectively. In the through hole; a first gear is arranged around the outer surface of the frame, a second gear meshing with the first gear is fixed on the bottom plate, a fourth gear is fixed in the upper cover, and the A fifth gear engaged with the fourth gear is fixed on the turntable, and both the fourth gear and the second gear are engaged with a third gear fixed on the bottom plate or the upper cover. The light transmission cover drives the first gear to rotate, the first gear rotates to drive the second gear to rotate, the second gear drives the fourth gear to rotate through the third gear, and the fourth gear Drive the fifth gear to rotate, so that the rotation of the fifth gear drives the rotation of the turntable, so that the filter on the turntable corresponds to the first light source, so that the light emitted by the first light source passes through The corresponding light is emitted through the corresponding filter.

Preferably, the first light source includes a cover-shaped mounting shell and LED chips arranged in the mounting shell, and the mounting shell is provided with mounting holes through which the first light source is connected and fixed on the The lower end surface of the upper cover; the third gear is a cylindrical gear, and a second fixed shaft adapted to the second gear is arranged on the bottom plate, and a second fixed shaft is arranged on the bottom plate or the upper cover A third fixed shaft adapted to the third gear, a fourth fixed shaft and a first fixed shaft adapted to the fourth gear and the fifth gear are respectively provided on the upper cover.

Preferably, there are four optical filters, the colors are red, yellow, candlelight, and cyan respectively, and the positions corresponding to the red, yellow, candlelight, and cyan color filters on the side of the turntable are respectively There are art mode, liberal arts mode, reading mode and science mode marked; an opening for viewing the marking on the side of the turntable is provided on one side of the housing.

Preferably, it also includes a first light source working circuit, a second light source working circuit and a control module arranged in the lamp body of the desk lamp, the first light source working circuit includes the first light source and the first light source Power supply for power supply; the second light source working circuit includes a second light source and the power supply, the second light source includes several lamp beads, the lamp beads are LED lamp beads or fluorescent lamp beads, and the number of lamp beads is 6 , the total power of the second light source is less than 0.5W, a mounting groove is provided on one side of the light pole, and the second light source is installed in the mounting groove; the control module can control the first light source The conduction or disconnection of the working circuit and the conduction or disconnection of the second light source working circuit, and the second light source working circuit is automatically turned on when the first light source working circuit is disconnected.

Preferably, a rechargeable battery and a charging circuit are provided in the base, and the charging circuit includes a mains current detection module, a drive power supply device for driving the rechargeable battery to supply power, and a power supply device for driving the rechargeable battery when the voltage of the rechargeable battery reaches an overcharge protection device for stopping charging at the highest value and an overdischarge protection device for stopping the discharge of the rechargeable battery when the voltage reaches the lowest value, and at least one battery connected to the rechargeable battery is provided on the base USB interface, the mains current detection module is connected to the mains through the USB interface, the drive power supply device is respectively connected to the rechargeable battery and the mains current detection module, the overcharge protection device and the The over-discharge protection devices are all connected to the rechargeable battery, and the power supply is commercial power or the rechargeable battery.

Preferably, the control module includes an electromagnetic relay and a control circuit connected to the electromagnetic relay, the control circuit includes a low-voltage power supply and a power switch for controlling the operation of the electromagnetic relay, and the first light source operating circuit and The static contact of the electromagnetic relay is connected; when the movable contact of the electromagnetic relay is not in contact with the static contact, the second light source working circuit is in contact with the movable contact; When the point is in contact with the static contact, the working circuit of the second light source is disconnected from the movable contact.

Preferably, the first light source working circuit includes a first drive circuit connected to the first light source, and a sensor for turning on and off the power switch and adjusting the brightness of the first light source is provided in the lamp body. The dimming control unit is provided with an inductive input part on the base, and the inductive input part includes a touch-sensitive surface arranged on the shell of the base and a signal acquisition module connected to the touch-sensitive surface, and the signal acquisition The module is electrically connected to the inductive dimming control unit, and the touch sensitive surface sends out a control signal after being touched, and the control signal is converted into a digital signal that can be processed by the inductive dimming control unit through the signal acquisition module. The inductive dimming control unit sends a corresponding on, off or dimming control signal according to the received digital signal, and the on, off or dimming control signal controls the power switch on or off or controls the first The driving circuit changes the output power of the first light source to control the light emitting state of the first light source; the inductive dimming control unit includes a single-chip microcomputer, the input end of the single-chip microcomputer is connected to the signal acquisition module, and the The output terminal of the single chip microcomputer is connected with the power switch and the first driving circuit.

Preferably, it also includes a reading distance reminder arranged in the lamp body of the desk lamp, and the reading distance reminder includes an infrared sensing device arranged on the end face of the lamp pole facing the user and connected with the infrared sensing device. The reminder connected to the device, the infrared sensing device includes an infrared emitting tube, infrared receiving tube and infrared control unit, the reminder includes a voice switch and an audio output device connected with the voice switch, the infrared control unit and The voice switch is connected, the infrared emitting tube emits infrared rays, the infrared receiving tube receives the reflected infrared rays, and feeds back the received signal to the infrared control unit, and the infrared control unit The voice switch is controlled to control whether the reminder emits a prompt tone; the infrared control unit includes an adjustment unit that can adjust the emission power of the infrared emission tube, and the adjustment unit includes a toggle switch. The above-mentioned toggle switch is used to set the emission power of the infrared emission tube, thereby adjusting the sensing range of the infrared sensing device.

Preferably, it also includes a switch device for turning on or off the infrared sensing device, and the switch device includes a switch circuit arranged in the infrared control unit for starting or stopping the infrared emission of the infrared emitting tube and A switch button, the toggle switch and the switch button are both arranged on the back of the light pole; the audio output device is a loudspeaker.

Preferably, a clock with an alarm function is also included, the clock includes a clock adjustment button, an alarm setting button, an alarm off button, an alarm control circuit, a temperature probe, a temperature display circuit connected to the temperature probe, The LCP display panel and its backlight panel, the LCP display panel is arranged on the front of the light pole, the alarm off button is arranged at the lower end of the LCP display panel, and the alarm control circuit is connected to the voice switch , the surface area of the alarm off button is greater than 10cm2, and the clock adjustment button and the alarm setting button are arranged on the back of the light pole.

The illuminating lamp body of the desk lamp of the present utility model comprises a casing, and a first light source and a turntable are arranged in the casing, and several light filters of different colors are embedded on the turntable, and the first light source is fixed on the upper end of the turntable, and when the turntable is turned, When the first light source can correspond to different color filters, the light emitted by the first light source is transmitted through different color filters to change the color irradiated by the first light source, and different colors can be selected according to the learning content. light; the body of the desk lamp is provided with an inductive dimming control unit for turning on and off the power switch and adjusting the brightness of the first light source, and a touch-sensitive surface is provided on the base shell, and the brightness of the first light source can be adjusted through the touch-sensitive surface Adjustment; so when it is necessary to adjust the color and brightness of the first light source, you only need to turn the light-transmitting cover to drive the turntable to rotate to select the color, and then touch the touch-sensitive surface to adjust the brightness. The structure is simple and the functions are complete without different Colored LEDs are used as light sources, which reduces the use of components in the circuit and reduces production costs.

Description of drawings

Fig. 1 is an exploded perspective view of the structure of the lighting lamp body in an embodiment of the desk lamp of the present invention;

Fig. 2 is the front view of Fig. 1;

Fig. 3 is an exploded perspective view of the structure of an embodiment of the desk lamp of the present invention;

Fig. 4 is a sectional view of an embodiment of the desk lamp of the present invention;

Fig. 5 is a schematic front view of an embodiment of the desk lamp of the present invention;

Fig. 6 is a schematic diagram of the back of an embodiment of the desk lamp of the present invention;

Fig. 7 is a block diagram of a charging circuit of an embodiment of the desk lamp of the present invention;

Fig. 8 is a circuit block diagram of a reading distance reminder of an embodiment of the desk lamp of the present invention;

Fig. 9 is a circuit block diagram for switching and brightness adjustment between the first light source and the second light source in an embodiment of the desk lamp of the present invention;

Fig. 10 is a circuit schematic diagram of the USB interface part in an embodiment of the desk lamp of the present invention;

Fig. 11 is the main circuit schematic diagram of an embodiment of the desk lamp of the present utility model

Fig. 12 is a left view of the infrared sensing device in an embodiment of the desk lamp of the present invention;

Fig. 13 is a front view of an infrared sensing device in an embodiment of the desk lamp of the present invention.

The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Referring to Fig. 1 to Fig. 13, an embodiment of the desk lamp of the present utility model is proposed, which includes a desk lamp body, and the desk lamp body includes a lamp post 20, a base 30 connected to one end of the lamp post 20, and a lighting fixture hinged to the other end of the lamp post 20. lamp body 10 . The lighting lamp body 10 includes a rectangular casing composed of an upper cover 120 and a bottom plate 110, a first light source 100 disposed in the casing, and a light-transmitting cover 101 corresponding to the first light source 100. The first light source 100 includes a cover-shaped installation shell And the LED chips arranged in the mounting shell, the mounting shell is provided with a mounting hole, a rectangular connecting plate 130 is fixed in the upper cover 120, and the first light source 100 is connected and fixed on the lower end surface of the connecting plate 130 through the mounting hole. The position corresponding to the first light source 100 on the bottom plate 110 is provided with a light transmission hole 111, the light transmission hole 111 is adapted to the light transmission cover 101, the light transmission cover 101 is placed in the light transmission hole 111, and the light transmission cover 101 includes a frame 150 and the transparent sheet arranged in the frame 150, the light emitted by the first light source 100 is irradiated through the transparent sheet. A circular turntable 140 is arranged between the first light source 100 and the light-transmitting cover 101, the first light source 100 is fixedly arranged on the upper end of the turntable 140, and four through holes corresponding to the first light source 100 are evenly distributed on the turntable 140. The optical filters 141 of different colors are installed in the corresponding through holes respectively, and the optical filters 141 of different colors can be made corresponding to the first light source 100 fixed above the rotating disc 140 by rotating the rotating disc 140, so that the first light source 100 emits The light of different colors can be irradiated by different color filters 141 to emit light of different colors.

In order to rotate the turntable 140 conveniently, a gear set is provided in the housing, and the gear set includes a first gear 151 arranged around the outer surface of the frame 150, a second gear 152 and a third gear 153 arranged on the bottom plate, and arranged under the upper cover. The fourth gear 154 on the end face and the fifth gear 155 arranged on the rotating disk 140 are provided with a second fixed shaft adapted to the second gear 152 on the base plate, and a second fixed shaft adapted to the third gear 153 is provided on the base plate. Three fixed shafts, the fourth fixed shaft, the first fixed shaft, the first fixed shaft, the second fixed shaft, the third fixed shaft and the fourth fixed shaft adapted to the fourth gear 154 and the fifth gear 155 are respectively arranged on the upper cover. Screw holes are all provided on the four fixed shafts, and the fifth gear 155, the rotating disk 140, the second gear 152, the third gear 153, and the fourth gear 154 are fixed on the corresponding fixed shafts through the combination of the screws and the screw holes. The first gear 151 is connected and fixed on the frame 150 and rotates with the frame 150, the second gear 152 meshes with the first gear 151; the fifth gear 155 is fixedly connected on the turntable 140 and rotates with the turntable 140, the fifth gear 155 and The fourth gear 154 meshes; the third gear 153 is a cylindrical gear, and the third gear 153 meshes with the fourth gear 154 and the second gear 152 at the same time, thereby rotating the transparent cover 101 to drive the first gear 151 to rotate, and the first gear 151 to rotate Drive the second gear 152 to rotate, the second gear 152 drives the fourth gear 154 to rotate through the third gear 153, the fourth gear 154 drives the fifth gear 155 to rotate, and the fifth gear 155 rotates to drive the rotating disk 140 to rotate, so that the rotating disk 140 The optical filter corresponds to the first light source, so that the light emitted by the first light source passes through the corresponding optical filter to emit corresponding light.

After scientific investigation, it is concluded that red gives people a sense of stability and enhances image power. The learning environment illuminated by red light helps to improve the learning effect of music, art, creation and other creative aspects that require creativity; yellow can strengthen Human judgment and long-term concentration can greatly improve the learning efficiency of liberal arts recitation subjects; ordinary candlelight is the most comfortable light when reading books and newspapers; The study efficiency of mathematics, physics and chemistry is improved, so the colors of the four filters 141 are red, yellow, candlelight, and cyan respectively, and the positions corresponding to the red, yellow, candlelight, and cyan filters 141 on the side of the turntable 140 in turn There are art mode, liberal arts mode, reading mode and science mode marked respectively. One side of the housing is provided with an opening for viewing the marking on the side of the turntable 140 . The user rotates the light-transmitting cover 101 to select a desired lighting mode, and views the selected mode at the opening.

A rechargeable battery 510 and a charging circuit are arranged in the base 30, and the charging circuit includes a mains current detection module 513, a drive power supply device 514 for driving the rechargeable battery 510 to supply power, and is used to stop when the voltage of the rechargeable battery 510 reaches the highest value. The overcharge protection device 511 for charging it and the overdischarge protection device 512 for stopping its discharge when the voltage of the rechargeable battery 510 reaches the minimum value are provided with two USB interfaces connected with the rechargeable battery 510 on the base 30, and the rechargeable battery 510 and the mains current detection module 513 are connected to the mains 520 through a USB interface and a connecting line, the driving power supply device 514 is connected to the rechargeable battery 510 and the mains current detection module 513 respectively, and the overcharge protection device 511 and the overdischarge protection device 512 All are connected with the rechargeable battery 510, and the rechargeable battery 510 is connected with the mains 520 for charging. When the rechargeable battery 510 is fully charged, the over-discharge protection device 512 stops the charging of the rechargeable battery 510; when connected with the mains 520, the mains 520 is a desk lamp When the mains power supply 520 is disconnected, the mains current detection module 513 detects that the mains power supply 520 is interrupted and feeds back this information to the driving power supply device 514, and then the driving power supply device 514 performs the rechargeable battery 510 according to the information. Control and drive the rechargeable battery 510 to supply power to the circuit in the desk lamp. When there is a power failure and the mobile phone or other electrical appliances urgently need to be charged, the mobile phone or other electrical appliances can also be charged by connecting the rechargeable battery 510 through the USB interface. , to bring convenience to users. the

A first light source operating circuit 610, a second light source operating circuit 620 and a control module 600 are arranged in the lamp body of the desk lamp. The first light source operating circuit 610 includes the first light source 100 and the power supply 500; the second light source operating circuit 620 includes the second light source 621 and a power supply 500, the power supply 500 is a commercial power supply 520 or a rechargeable battery 510. The second light source 621 includes several lamp beads, the lamp beads are LED lamp beads or fluorescent lamp beads, and there are 6 lamp beads. There is a mounting groove on one side of the lamp post 20, and the second light source 621 is installed in the mounting groove. The light guide plate fitted to the installation slot covers the installation slot, and the light emitted by the second light source 621 is irradiated through the light guide plate, and the light is soft. The total power of the second light source 621 is less than 0.5W, so the annual power consumption of the second light source 621 does not exceed 3 kWh, which is very power-saving. The control module 600 includes an electromagnetic relay 601 and a control circuit connected to the electromagnetic relay 601. The control module 600 can control the conduction or disconnection of the first light source operating circuit 610 and the conduction or disconnection of the second light source operating circuit 620. When the first light source working circuit 610 is turned off, the second light source working circuit 620 is automatically turned on. The control circuit includes a low-voltage power supply and a power switch 602 for controlling the operation of the electromagnetic relay 601. The first light source operating circuit 610 is connected to the static contact of the electromagnetic relay 601; when the movable contact of the electromagnetic relay 601 is not in contact with the static contact , the second light source working circuit 620 is in contact with the movable contact. When the electromagnetic relay 601 is not working, the second light source working circuit 620 is turned on through the movable contact, while the first light source working circuit 610 is in an off state; when the electromagnetic relay 601 is working, the moving contact contacts the static contact under the action of magnetic force. Point contact, the second light source working circuit 620 is separated from the movable contact, the second light source working circuit 620 is disconnected, and the first light source working circuit 610 is turned on through the movable contact. The electromagnetic relay 601 is controlled by the power switch 602. When the power switch 602 was turned on, the electromagnetic relay 601 worked; when the power switch 602 was turned off, the electromagnetic relay 601 stopped working; The disconnection and conduction of the working circuit 620, when the power switch 602 is turned on, the second light source working circuit 620 is turned off, the first light source working circuit 610 is turned on, and the first light source 100 starts to work to provide illumination for the user; When 602 is turned off, the first light source operating circuit 610 is turned off, the second light source operating circuit 620 is turned on, and the second light source 621 starts to work and emit light.

The first light source working circuit 610 also includes a first driving circuit 612 connected to the first light source 100, and the second light source working circuit 620 also includes a second driving circuit 622 connected to the second light source 621. 1. The inductive dimming control unit 700 for turning off the power switch 602 and adjusting the brightness of the first light source 100 is provided with an inductive input part 710 on the base 30 . The sensory input part 710 includes a touch-sensitive surface 711 arranged on the housing of the base 30 and a signal collection module 712 connected to the touch-sensitive surface 711. The signal collection module 712 is electrically connected to the induction dimming control unit 700. When the touch-sensitive surface 711 is A control signal is sent after touching, and the control signal is converted into a digital signal that can be processed by the inductive dimming control unit 700 through the signal acquisition module 712, and the inductive dimming control unit 700 sends a corresponding on, off or dimming control signal according to the received digital signal The on, off or dimming control signal controls the power switch 602 on or off or controls the change of the output electric energy of the first driving circuit 612 to the first light source 100 to control the light emitting state of the first light source 100 . The inductive dimming control unit 700 includes a single-chip microcomputer, the input end of the single-chip microcomputer is connected to the signal acquisition module 712 , and the output end of the single-chip microcomputer is connected to the power switch 602 and the first driving circuit 612 . The touch sensing surface 711 is controlled by touch capacitance, or visible light sensing, or human body infrared sensing. When the on/off area on the touch-sensitive surface 711 is touched, the first light source operating circuit 610 is turned on, and the first light source 100 starts to work; when the adjustment area on the touch-sensitive surface 711 is touched and moved, the illumination of the first light source 100 When the brightness changes, the illumination brightness of the first light source 100 can be adjusted to the brightness required for work or study; finally, when the on/off area on the touch-sensitive surface 711 is touched again, the power switch 602 is turned off, and the first light source operating circuit 610 disconnected, and at the same time, the second light source working circuit 620 is automatically turned on, and the low-power second light source 621 emits a weak light, which is suitable for use as a night light when sleeping, and can easily find the desk lamp in the dark, which is convenient for users use. Therefore, when it is necessary to adjust the color and brightness of the first light source 100, it is only necessary to rotate the light-transmitting cover 101 to select a color, and then touch the touch-sensitive surface 711 to adjust the brightness. The structure is simple and the functions are complete, and LEDs of different colors are not required. As a light source, the use of components in the circuit is reduced, and the production cost is reduced.

In order to prevent myopia, a reading distance reminder 400 is also provided in the lamp body of the desk lamp. The reading distance reminder 400 includes an infrared sensing device 200 arranged on the end face of the light pole 20 facing the user and a reminder connected with the infrared sensing device 200 device 400. Infrared sensing device 200 comprises an infrared emitting tube 220, infrared receiving tube 230 and infrared control unit 210, reminder 400 comprises a voice switch 410 and an audio output device 420 connected with the voice switch 410, the audio output device 420 is a loudspeaker, and the infrared control unit 210 is connected with voice switch 410. The infrared emitting tube 220 and the infrared receiving tube 230 are wrapped in a rubber sleeve 240 installed on the end face of the light pole 20 facing the user, the infrared emitting tube 220 emits infrared rays, and the infrared receiving tube 230 receives the reflected infrared rays, and The received signal is fed back to the infrared control unit 210, and the infrared control unit 210 controls the voice switch 410 according to the signal, so as to control whether the reminder 400 emits a prompt tone. When the infrared rays emitted by the infrared emitting tube 220 are reflected back by the human body within the sensing range, the infrared receiving tube 230 receives the reflected infrared rays and feeds back the received signal to the infrared control unit 210, and the infrared control unit 210 controls the The voice switch 410 is turned on, so that the reminder 400 sends a beep to remind the user that the reading distance is not suitable and needs to be adjusted; when the user adjusts the sitting posture to make the reading distance outside the sensing range, the reminder 400 stops sending the beep, thereby It can remind users to maintain a good sitting posture and reading distance to prevent myopia. The infrared control unit 210 includes an adjusting unit 211 that can adjust the emission power of the infrared emitting tube 220. The adjusting unit 211 includes four preset adjustment areas 215 and a toggle switch 213, and the corresponding adjustment area is activated by turning the toggle switch 213 215, so as to set the emission power of the infrared emission tube 220 and adjust the sensing range of the infrared sensing device 200. The sensing range of the infrared sensing device 200 is 6cm-60cm, which is suitable for people of different heights and eyesight. If you do not want to use the function of the reading distance reminder 400, you can turn it off. A switch device for opening or closing the infrared sensing device 200 is provided in the lamp body. The switch circuit 212 and a switch button 214 that stop the infrared emitting tube 220 from emitting infrared rays, and the function of the reading distance reminder 400 can be turned off by turning on and off the switch button 214 . Both the toggle switch 213 and the switch button 214 are disposed on the back of the light pole 20 .

This desk lamp also comprises a clock with alarm function, and clock comprises clock adjustment button 302, alarm setting button 303, alarm off button 301, alarm control circuit 310, temperature probe, temperature display circuit connected with temperature probe, LCP The display panel 300 and its backlight panel, the LCP display panel 300 is arranged on the front of the light pole 20, the indoor temperature value detected by the temperature probe is displayed on the LCP display panel 300 through the temperature display circuit, and the time and date are also displayed on the LCP display panel 300 show. The clock adjustment button 302 and the alarm setting button 303 are arranged on the back of the light pole 20 . The alarm control circuit 310 is connected with the voice switch 410, and the required alarm time is set by the alarm setting button 303. When the alarm time is up, the alarm control circuit 310 controls the voice switch 410 to open, so that the loudspeaker sends a ringtone, and the alarm The off button 301 is arranged at the lower end of the LCP display board 300, and the alarm off button 301 is pressed, and the speaker stops ringing. The surface area of the alarm off button 301 is greater than 10 cm 2 , so that the user can easily find the alarm off button 301 . The table lamp of the utility model can be changed in color and adjusted according to the needs of the learning content, so as to improve the learning efficiency; and it has the function of automatically switching between the night light and the reading distance reminder 400. The location of the reading distance reminder 400 can prevent myopia; it also has a clock function, the clock can set an alarm, and the clock can also display the indoor temperature. The overall desk lamp has comprehensive functions and is suitable for study or work.

The above are only preferred embodiments of the present utility model, and are not therefore limiting the patent scope of the present utility model. All equivalent structural transformations made by using the utility model specification and accompanying drawings are directly or indirectly used in other related technologies. Fields are all included in the scope of patent protection of the utility model in the same way.

Claims (10)

1. desk lamp, comprise the desk lamp lamp body, described desk lamp lamp body comprises lamp stand, the base that is connected with described lamp stand one end, the illuminating lamp body hinged with the described lamp stand other end, described illuminating lamp body comprises the housing that is comprised of upper cover and base plate, be arranged on the first light source in described housing, the diffuser corresponding with described the first light source and be arranged on loophole adaptive with described diffuser on described base plate, described diffuser is placed in described loophole, described diffuser comprises a framework and is arranged on the interior light transmission piece of described framework, it is characterized in that, described the first light source is fixedly installed in described upper cover, be provided with a rotating disk between described the first light source and described diffuser, some through holes that can be corresponding with described the first light source evenly distribute on described rotating disk, the optical filter of some different colours is arranged on respectively in described through hole, be provided with the first gear around described frame outer surface, be fixed with on described base plate one with the second gear of described the first gear engagement, be fixed with one the 4th gear in described upper cover, be fixed with on described rotating disk one with the 5th gear of described the 4th gear engagement, described the 4th gear and described the second gear all with one be fixed on described base plate or on the 3rd gear engagement that covers, drive described the first gear rotation by rotating described diffuser, described the first gear rotates and drives described the second gear rotation, described the second gear rotates by described the 4th gear of described the 3rd gear driven, described the 4th gear drives again described the 5th gear and rotates, thereby described the 5th gear rotates and drives described dial rotation, make the described optical filter on described rotating disk corresponding with described the first light source, thereby optical filter corresponding to light transmission that described the first light source sends and send corresponding light.

2. desk lamp according to claim 1, it is characterized in that, described the first light source comprises a lid shape mounting shell and is arranged on LED chip in described mounting shell, and described mounting shell is provided with installing hole, by described installing hole, described the first light source is fastened on described upper cover lower surface; Described the 3rd gear is the cylindricality gear, be provided with second fixed axis adaptive with described the second gear on described base plate, described base plate or described on cover and be provided with three fixed axis adaptive with described the 3rd gear, cover on described and be respectively equipped with four fixed axis, first fixed axis adaptive with described the 4th gear, described the 5th gear.

3. desk lamp according to claim 1 and 2, it is characterized in that, described optical filter is 4, and color is respectively redness, yellow, candle light look, cyan, is respectively equipped with sign at the optical filter of described rotating disk side and described redness, yellow, candle light look, cyan corresponding position successively; Be provided with one in described housing one side and be used for watching the opening that described rotating disk side indicates.

4. desk lamp according to claim 1, it is characterized in that, comprise that also one is arranged on the first light source works circuit, secondary light source operating circuit and the control module in described desk lamp lamp body, described the first light source works circuit comprises described the first light source and is the power supply of described the first light source power supply; Described secondary light source operating circuit comprises secondary light source and described power supply, described secondary light source comprises several lamp pearls, described lamp pearl is LED lamp pearl or fluorescent lamp pearl, described lamp pearl is 6, the general power of described secondary light source is less than 0.5W, a side at described lamp stand is provided with mounting groove, and described secondary light source is arranged in described mounting groove; Described control module can be controlled the conducting of described the first light source works circuit or conducting or the disconnection of disconnection and described secondary light source operating circuit, and the automatic conducting of described secondary light source operating circuit when described the first light source works circuit disconnects.

5. desk lamp according to claim 4, it is characterized in that, be provided with rechargeable battery and charging circuit in described base, described charging circuit comprises a mains current detection module, be used for driving described rechargeable battery powered driving electric supply installation, be used for stopping when described charged battery voltage reaches peak to the additives for overcharge protection device of its charging with for stop the overdischarge protector of its discharge when described charged battery voltage reaches minimum, be provided with the USB interface that at least one is connected with described rechargeable battery on described base, described mains current detection module is electrically connected to the city by described USB interface, described driving electric supply installation respectively with described rechargeable battery, described mains current detection module connects, described additives for overcharge protection device be connected overdischarge protector and all be connected with described rechargeable battery, described power supply is civil power or described rechargeable battery.

6. desk lamp according to claim 4, it is characterized in that, described control module comprises electromagnetic relay and the control circuit that is connected with described electromagnetic relay, described control circuit comprises a low-tension supply and for the power switch of controlling described electromagnetic relay work, described the first light source works circuit is connected with the stationary contact of described electromagnetic relay; When the movable contact of described electromagnetic relay did not contact with stationary contact, described secondary light source operating circuit contacted with described movable contact; When the movable contact of described electromagnetic relay contacted with stationary contact, described secondary light source operating circuit and described movable contact disconnected.

7. desk lamp according to claim 6, it is characterized in that, described the first light source works circuit comprises the first drive circuit that is connected with described the first light source, be provided be used to opening in described desk lamp lamp body, the induction dimming control unit of closing described power switch and regulating described the first light-source brightness, be provided with on described base and respond to the importation, described induction importation comprises the touch-sensitive surface that is arranged on described base shell and the signal acquisition module that is connected with described touch-sensitive surface, described signal acquisition module and described induction dimming control unit are electrically connected, after being touched, described touch-sensitive surface sends control signal, this control signal converts the treatable data signal of described induction dimming control unit to through described signal acquisition module, described induction dimming control unit is sent corresponding opening according to the described data signal that receives, close or dimming control signal, described opening, pass or dimming control signal are controlled opening of described power switch, close or control described the first drive circuit to the variation of the output electric energy of described the first light source to control the luminance of described the first light source, described induction dimming control unit comprises single-chip microcomputer, and the input of described single-chip microcomputer is connected with described signal acquisition module, and the output of described single-chip microcomputer is connected with described power switch, described the first drive circuit.

8. desk lamp according to claim 1, it is characterized in that, comprise that also one is arranged on the reading distance reminiscences in described desk lamp lamp body, described reading distance reminiscences comprises that one is arranged on described lamp stand facing to infrared inductor and the reminiscences that is connected with described infrared inductor on user's end face, described infrared inductor comprises an infrared transmitting tube, infrared receiving tube and infrared control unit, described reminiscences comprises voice switch and the audio output device that is connected with described voice switch, described infrared control unit is connected with described voice switch, described infrared transmitting tube emission infrared ray, described infrared receiving tube receives the infrared ray that is reflected, and with the signal feedback that receives to described infrared control unit, described infrared control unit is controlled described voice switch according to described signal, thereby control described reminiscences and whether send prompt tone, described infrared control unit comprises that one can regulate the regulon of the transmitting power of described infrared transmitting tube, described regulon comprises toggle switch, set the transmitting power of described infrared transmitting tube by rotating described toggle switch, thereby regulate the induction range of described infrared inductor.

9. induction type desk lamp according to claim 8, it is characterized in that, comprise that also one is used for opening or closing the switching device of described infrared inductor, described switching device comprises that one is arranged on and is used for starting or stoping the described infrared transmitting tube ultrared on-off circuit of emission and a shift knob in described infrared control unit, and described toggle switch and described shift knob all are arranged on the back side of described lamp stand; Described audio output device is loudspeaker.

10. desk lamp according to claim 9, it is characterized in that, comprise that also one has the clock of alarm, described clock comprises clock adjusting button, quarter-bell arranges button, the quarter-bell X button, the quarter-bell control circuit, temp probe, the temperature display circuit that is connected with described temp probe, LCP display board and backlight thereof, described LCP display board is arranged on the front of described lamp stand, described quarter-bell X button is arranged on the lower end of described LCP display board, described quarter-bell control circuit is connected with described voice switch, the surface area of described quarter-bell X button is greater than 10cm2, described clock is regulated button, described quarter-bell arranges the back side that button is arranged on described lamp stand.

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