CN102679232B - Desk lamp - Google Patents

Abstract

The invention discloses a desk lamp.A lighting lamp body of the desk lamp comprises a shell, wherein 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, light emitted by the first light source is transmitted out of the light filters with different colors, so that the color irradiated by the first light source is changed, and the light with different colors can be selected according to the learning 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 invention 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 present invention 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 learning content, and its structure is simple, which can reduce the production cost.

The present invention proposes a desk lamp, comprising a lamp body of the desk lamp, the lamp body of the desk lamp comprises 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, and the lighting lamp body comprises A casing composed of an upper cover and a bottom plate, a first light source arranged in the casing, a light-transmitting cover corresponding to the first light source, and a light-transmitting cover arranged on the bottom plate and adapted to the light-transmitting cover 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, 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 respectively installed on the 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 mask drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the fourth gear to rotate through the third gear, and the fourth gear drives The fifth gear rotates, 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 filter emits the corresponding light.

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 invention comprises a casing, in which a first light source and a turntable are arranged, and a plurality of color filters of different colors are embedded on the turntable, the first light source is fixed on the upper end of the turntable, and when the turntable is turned, The first light source can correspond to filters of different colors, and the light emitted by the first light source is transmitted through the filters of different colors to change the color irradiated by the first light source. Different colors of light can be selected according to the learning content ;In the body of the desk lamp, there is an induction dimming control unit for turning on and off the power switch and adjusting the brightness of the first light source. There is a touch-sensitive surface on the base shell, and the brightness of the first light source can be adjusted through the touch-sensitive surface. ; Therefore, when you need 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 high-quality LED is used as the light source, which reduces the use of components in the circuit and reduces the production cost.

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 the front schematic view of an embodiment of the desk lamp of the present invention;

Fig. 6 is the rear schematic view 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 schematic circuit 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 invention

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 present invention, 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 present invention, not to limit the present invention.

Referring to FIG. 1 , an embodiment of the desk lamp of the present invention is proposed, which includes a desk lamp body. The desk lamp body includes a lamp post 20 , a base 30 connected to one end of the lamp post 20 , and a lighting lamp body 10 hinged to the other end of the lamp post 20 . 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 present invention can be changed in color and adjusted according to the needs of the learning content to improve learning efficiency; and it has the function of automatically switching between the night light and the reading distance reminder 400. The location, 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 invention, and are not intended to limit the patent scope of the present invention. All equivalent structural transformations made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in other related technical fields, are all The same reasoning is included in the patent protection scope of the present invention.

Claims (3)

1. A desk lamp, comprising a desk lamp lamp body, said desk lamp lamp body comprising a lamp post, a base connected to one end of said lamp post, and an illuminating lamp body hinged to the other end of said lamp post, said illuminating lamp body comprising A casing composed of an upper cover and a bottom plate, a first light source arranged in the casing, a light transmission cover corresponding to the first light source, and a light transmission hole arranged on the bottom plate to fit the light transmission cover , the light-transmitting cover is placed in the light-transmitting hole, the light-transmitting cover includes a frame and a light-transmitting sheet arranged in the frame, and it is characterized in that the first light source is fixedly arranged on the upper In the cover, a turntable is provided between the first light source and the light transmission 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 respectively installed. In the through hole; a first gear is arranged around the outer surface of the frame, a second gear engaged with the first gear is fixed on the bottom plate, and a second gear meshing with the second gear is fixed on the bottom plate. A second fixed shaft adapted to the gear; a fourth gear is fixed in the upper cover, a fifth gear meshing with the fourth gear is fixed on the turntable, and the upper cover is respectively provided with The fourth fixed shaft and the first fixed shaft adapted to the fourth gear and the fifth gear; a third gear is provided on the bottom plate or the upper cover, and a third gear is provided on the bottom plate or the upper cover. A third fixed shaft adapted to the third gear, the third gear is a cylindrical gear, and the third gear meshes with the fourth gear and the second gear at the same time; by rotating the light-transmitting The cover drives the first gear to rotate, the rotation of the first gear drives the second gear to rotate, the second gear drives the fourth gear to rotate through the third gear, and the fourth gear drives the The fifth gear rotates, 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 The filter emits the corresponding light. 2. The desk lamp according to claim 1, wherein the first light source comprises a cover-shaped mounting shell and an LED chip arranged in the mounting shell, the mounting shell is provided with a mounting hole through which the The mounting hole connects and fixes the first light source to the lower end surface of the upper cover. 3. The desk lamp according to claim 1 or 2, characterized in that there are 4 filters, the colors are respectively red, yellow, candlelight and cyan, and on the side of the turntable and the red, yellow, cyan Candlelight color and cyan color filters are respectively marked with art mode, liberal arts mode, reading mode and science mode at positions corresponding to them in sequence; an opening for viewing the markings on the side of the turntable is provided on one side of the housing. 4. The desk lamp according to claim 1, further comprising a first light source operating circuit, a second light source operating circuit and a control module arranged in the lamp body of the desk lamp, the first light source operating circuit includes The first light source and a power supply for supplying power to the first light source; the second light source working circuit includes a second light source and the power supply, the second light source includes several lamp beads, and the lamp beads are LED lamps Beads or fluorescent lamp beads, the number of lamp beads is 6, the total power of the second light source is less than 0.5W, and a mounting groove is provided on one side of the lamp pole, and the second light source is installed in the mounting groove ; The control module can control the conduction or disconnection of the first light source working circuit and the conduction or disconnection of the second light source working circuit, and when the first light source working circuit is disconnected, the second light source working circuit The working circuit of the two light sources is automatically turned on. 5. The desk lamp according to claim 4, characterized in that, a rechargeable battery and a charging circuit are arranged in the base, and the charging circuit includes a mains current detection module for driving a driver powered by the rechargeable battery. power supply means, overcharge protection means for stopping charging of said rechargeable battery when its voltage reaches a maximum value, and overdischarge protection means for stopping discharge of said rechargeable battery when its voltage reaches a minimum value, in said base There is at least one USB interface connected to the rechargeable battery, the mains current detection module is connected to the mains through the USB interface, and the drive power supply device is connected to the rechargeable battery and the mains current detection module respectively. The modules are connected, the overcharge protection device and the overdischarge protection device are both connected to the rechargeable battery, and the power supply is commercial power or the rechargeable battery. 6. The desk lamp according to claim 4, wherein the control module includes an electromagnetic relay and a control circuit connected with the electromagnetic relay, the control circuit includes a low-voltage power supply and is used to control the operation of the electromagnetic relay The power switch of the first light source is connected to the static contact of the electromagnetic relay; when the moving contact of the electromagnetic relay is not in contact with the static contact, the second light source working circuit is connected to the moving contact of the electromagnetic relay The contacts are in contact; when the movable contact of the electromagnetic relay is in contact with the static contact, the working circuit of the second light source is disconnected from the movable contact. 7. The desk lamp according to claim 6, characterized in that, the first light source working circuit includes a first drive circuit connected to the first light source, and a lamp body for turning on and off the An inductive dimming control unit for power switching and adjusting the brightness of the first light source, an inductive input part is provided on the base, and the inductive input part includes a touch-sensitive surface arranged on the shell of the base and connected with the touch A signal acquisition module connected to the sensing surface, the signal acquisition module is electrically connected to the induction dimming control unit, the touch sensing surface sends out a control signal after being touched, and the control signal is converted into the The digital signal that can be processed by the inductive dimming control unit, the inductive dimming control unit sends out the corresponding on, off or dimming control signal according to the received digital signal, and the on, off or dimming control signal controls the Turning on and off the power switch or controlling the change of the output electric energy of the first light source by the first driving circuit to control the light emitting state of the first light source; the induction dimming control unit includes a single-chip microcomputer, and the single-chip microcomputer The input end is connected with the signal acquisition module, and the output end of the single chip microcomputer is connected with the power switch and the first drive circuit. 8. The desk lamp according to claim 1, further comprising a reading distance reminder arranged in the lamp body of the desk lamp, and the reading distance reminder includes a reading distance reminder arranged on the light pole facing the user The infrared sensing device on the end face and the reminder connected with the infrared sensing device, the infrared sensing device includes an infrared emission tube, the infrared receiving tube and the infrared control unit, the reminder includes a voice switch and a voice switch connected with the voice switch. Connected audio output device, the infrared control unit is connected with the voice switch, 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 , the infrared control unit controls the voice switch according to the signal, thereby controlling whether the reminder sends out a prompt sound; the infrared control unit includes an adjustment unit that can adjust the emission power of the infrared emission tube, The adjusting unit includes a toggle switch, and the transmitting power of the infrared emitting tube is set by turning the toggle switch, thereby adjusting the sensing range of the infrared sensing device. 9. The desk lamp according to claim 8, further comprising a switch device for turning on or off the infrared sensing device, the switch device includes a switch set in the infrared control unit for starting or A switch circuit and a switch button for stopping the infrared emission of the infrared emitting tube, the toggle switch and the switch button are both arranged on the back of the light pole; the audio output device is a loudspeaker. 10. The desk lamp according to claim 9, further comprising a clock with an alarm function, said clock comprising 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, an LCP display panel and a backlight panel thereof, the LCP display panel is arranged on the front of the light pole, and the alarm off button is arranged at the lower end of the LCP display panel, The alarm control circuit is connected with 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.

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