CN113203060A - Automatic angle regulation's display screen light filling lamp - Google Patents
Automatic angle regulation's display screen light filling lamp Download PDFInfo
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- CN113203060A CN113203060A CN202110412288.3A CN202110412288A CN113203060A CN 113203060 A CN113203060 A CN 113203060A CN 202110412288 A CN202110412288 A CN 202110412288A CN 113203060 A CN113203060 A CN 113203060A
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/08—Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
- F21V21/088—Clips; Clamps
- F21V21/0885—Clips; Clamps for portable lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/30—Pivoted housings or frames
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0464—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the level of ambient illumination, e.g. dawn or dusk sensors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/403—Lighting for industrial, commercial, recreational or military use for machines
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The application relates to a display screen light supplement lamp capable of automatically adjusting an angle, which comprises a notebook computer for lighting, and comprises a clamp and a lamp, wherein the clamp comprises a lamp holder fixing part, a clamping part, a rotating mechanism, a driving mechanism and a control circuit, the control circuit comprises a detection module for detecting the brightness of a display screen, a control module and an execution module, the detection module sends out a detection signal based on the brightness of the display screen, an opening and a blocking piece arranged in the opening are arranged on a lamp shell, the blocking piece is rotatably connected with the lamp shell, and a lighting sensor is arranged on the blocking piece; the lamp shell is provided with a distance correcting device, the distance correcting device comprises a rotating motor, a distance measuring sensor and a control unit, the distance measuring sensor and the control unit are arranged on a separation blade, the rotating motor drives the separation blade to rotate, the distance measuring sensor is used for detecting the distance between the separation blade and a display screen and sending a distance measuring signal, and the control unit controls the rotating motor to be fixed with the distance between the distance measuring sensor and the display screen. This application has the fixed effect of distance between keeping illumination sensor and the display screen.
Description
The invention relates to a divisional application, which is based on the application number of 202010688102.2, the application date of 2020.07.16 and the name of 'a display screen light supplement lamp capable of automatically adjusting the angle'.
Technical Field
The application relates to the field of lighting devices, in particular to an automatic angle adjusting display screen light supplement lamp.
Background
Most of the traditional lighting devices are fixed and have large volume, such as ceiling lamps, recessed lamps, table lamps and the like. When a user uses an electronic device with a screen, such as a desk computer, a notebook computer and the like, the light emitted by the traditional lighting device is easy to reflect on the surface of the screen to cause glare due to a large included angle formed between the light and the screen, so that people invent a display screen light supplement lamp to supplement light for the display screen at a small included angle.
In view of the above-mentioned related arts, the inventor believes that, when the ambient brightness changes, people usually rotate the fill-in light to adjust the illumination angle in order to prevent glare or illuminate the keyboard, but the adjustment is usually performed only by human feeling, and the relation between the screen illumination intensity and the rotation distance cannot be accurately determined and obtained to guide the determination of the rotation angle.
Disclosure of Invention
In order to make the light filling lamp can the automatic adjustment to the angle that has better eyeshield effect, this application provides an automatic angle regulation's display screen light filling lamp.
The application provides a pair of automatic angle regulation's display screen light filling lamp adopts following technical scheme:
the utility model provides an automatic angle regulation's display screen light filling lamp for the notebook computer that throws light on, includes lamps and lanterns and anchor clamps, the bottom of lamps and lanterns is luminous, anchor clamps are including the lamp holder mounting that is used for fixed lamps and lanterns, be used for with the display screen edge looks fixed clamping part, the slewing mechanism who connects lamp holder mounting and clamping part, be used for driving the lamp holder mounting orientation or keep away from clamping part pivoted actuating mechanism and be used for controlling actuating mechanism's control circuit, control circuit includes:
the detection module comprises an illumination sensor arranged on the lamp and is used for detecting the brightness of the display screen and sending out a detection signal based on the brightness of the display screen;
the control module comprises a preset voltage output source for outputting a preset signal, and receives the detection signal and outputs a control signal based on the relative size of the detection signal and the preset signal;
and the execution module is connected to the control module and controls the driving mechanism to drive the lamp cap fixing piece to rotate towards or away from the clamping part based on the control signal.
By adopting the technical scheme, the notebook computer consists of the display screen and the keyboard, the lamp is fixed at the top of the display screen by the clamping part, and the bottom of the lamp emits light towards the keyboard or the display screen. The lamp holder fixing piece is fixed with the lamp, and when the position of the lamp holder fixing piece is rotated, the lamp holder fixing piece moves synchronously with the lamp. When the lamp rotates, the lighting area of the lamp changes. The detection module detects the brightness of the display screen and sends out corresponding detection signals, and the intensity of the detection signals is in direct proportion to the brightness of the display screen. The preset signal is equivalent to a change threshold of the detection signal and corresponds to a preset brightness, and the control module compares the detection signal with the preset signal and outputs a control signal based on a comparison result.
When the intensity of the detection signal is greater than the preset signal, namely the brightness of the display screen is higher than the preset brightness, the control signal controls the execution module to drive the driving mechanism, the driving mechanism drives the lamp holder fixing piece to rotate towards the clamping part, namely, the lighting area of the lamp is turned to the display screen from the keyboard. Because in dim environment, when the luminance of display screen is higher, the light that the display screen sent is enough to illuminate the keyboard, and lamps and lanterns need do this moment, carry out the light filling to the display screen to reduce the blue light proportion in the light that the people's eye received, thereby reach the eyeshield effect.
When the intensity of the detection signal is smaller than the preset signal, namely the brightness of the display screen is lower than the preset brightness, the control signal controls the execution module to drive the driving mechanism, the driving mechanism drives the lamp holder fixing piece to rotate away from the clamping part, namely, the lighting area of the lamp is turned to the keyboard from the display screen. In dim environment, when the screen brightness of display screen is lower, for example see the film that demonstrates dark scene, the blue light that the display screen sent is less, and the demand to the display screen light filling is not high, if carry out the light filling, will lead to the screen reflection of light too bright, can't see the picture clearly, influences the viewing effect. Meanwhile, because the screen brightness of the display screen is low and the ambient brightness is low, supplementary lighting needs to be performed on the keyboard. Therefore, the lighting area of the lamp is turned from the display screen to the keyboard, light supplement for the display screen is reduced, and light supplement for the keyboard is increased.
Preferably, the lamp housing is provided with an opening and a blocking piece matched with the opening in shape, the blocking piece is installed in the opening, one end of the blocking piece is rotatably connected with the edge of the lamp housing at the opening, and the illumination sensor is installed on one side, facing the inside of the opening, of the blocking piece.
Through adopting above-mentioned technical scheme, the separation blade is connected with the edge rotation of lamp body, can turn to the lamp body with the separation blade at ordinary times for the separation blade covers at the opening part and combines together with the lamp body and form unified whole. The illumination sensor faces one side of the inside of the opening in the blocking piece, when the blocking piece rotates outwards and is out, the illumination sensor is exposed, and the illumination sensor faces the display screen at the moment so as to detect the illumination intensity of the display screen. In addition, the separation blade can shelter from the light filling that the light filling lamp sent, and the light filling that avoids the light filling lamp to send causes the influence to the result that light intensity of illumination sensor detection screen. Meanwhile, the blocking piece can play a certain protection role in the illumination sensor.
Preferably, be provided with the school apart from the device on the lamp body, the school apart from the device including set up the rotation motor in the lamp body, set up the range sensor on the separation blade and even in range sensor's the control unit, the pivot of rotating the motor passes through gear drive and links to each other with the pivot of separation blade, range sensor is used for detecting the separation blade to the distance between the display screen and sends corresponding range finding signal, the control unit receives range finding signal and rotates the rotation of motor based on range finding signal control and fixes with the distance that keeps range finding sensor and display screen.
Through adopting above-mentioned technical scheme, rotate the motor and provide certain damping for the separation blade, avoid the separation blade to take place the swing when receiving external forces such as gravity. Meanwhile, when the rotating motor rotates, the blocking piece can be driven to turn towards the inside or the outside of the lamp shell. The distance measuring sensor is used for detecting the distance between the blocking piece and the display screen, and the control unit receives a distance measuring signal. When control module and execution module control lamp body and lamp holder mounting take place to rotate, the distance between illumination sensor and the display screen will change, and the distance measurement signal is corresponding to change this moment, and the rotation of control unit control rotation motor to the distance that makes distance measurement sensor and display screen is fixed, thereby guarantees that the distance between illumination sensor and the display screen is fixed.
Preferably, the rotating mechanism comprises two stop blocks arranged on the clamping part in an opposite manner, a rotating block arranged on the outer surface of the lamp holder fixing part and located between the stop blocks, and a fixing shaft penetrating through the stop blocks and the rotating block, two ends of the rotating block are respectively abutted against opposite side surfaces of the two stop blocks, two ends of the fixing shaft are respectively fixedly connected with the stop blocks, and the fixing shaft is rotatably connected with the rotating block.
Through adopting above-mentioned technical scheme, the both ends of fixed axle are fixed mutually with the dog, and the middle part of fixed axle passes the turning block for the turning block rotates with the fixed axle and is connected, thereby makes the lamp holder mounting can rotate around the fixed axle, thereby adjusts the angle that lamps and lanterns light and display screen formed.
Preferably, one side, facing the lamp holder fixing piece, of the stop block is an inclined plane located on a rotating path of the lamp holder fixing piece, the lamp holder fixing piece is close to or far away from the inclined plane when the rotating block rotates around the fixed shaft, the driving mechanism comprises a permanent magnet block arranged on the inclined plane and an electromagnet arranged on one side, facing the inclined plane, of the lamp holder fixing piece, and the execution module controls the electromagnet to be electrified in the forward direction or in the reverse direction so as to attract or push away the electromagnet.
By adopting the technical scheme, the inclined plane is positioned on the rotating path of the lamp cap fixing piece, so that the rotating angles of the rotating block and the lamp cap fixing piece are limited. Meanwhile, the permanent magnet blocks are positioned on the inclined plane, namely on the rotating path of the rotating block, and have a certain distance with the rotating shaft as the rotating center, so that the permanent magnet blocks and the rotating center form a force arm. The electromagnet is positioned on the lamp cap fixing piece and generates attraction force or repulsion force with the permanent magnet when being electrified, so that a rotating moment is generated for both the lamp cap fixing piece and the stop block. When the rotating torque is large enough, the friction force between the rotating block and the stop block is overcome, so that the rotating block rotates, and the irradiation angle of the lamp is changed.
Preferably, lamps and lanterns are including linking in the lamp body of anchor clamps, the atmosphere light filling lamp that is used for sending the atmosphere light filling, the screen light filling lamp that is used for sending the screen light filling, be used for carrying on atmosphere light filling lamp and screen light filling lamp and being fixed in the lamp plate in the lamp body and be used for controlling that screen light filling lamp is luminous and fix the controller on the lamp plate, the top of lamp body is provided with a plurality of atmosphere light filling holes that supply the atmosphere light filling to wear out and shine to the environment, the bottom of lamp body is provided with the light-emitting gap that supplies the screen light filling to wear out.
Through adopting above-mentioned technical scheme, when lamps and lanterns passed through anchor clamps and fix on the display screen, the atmosphere light filling lamp of lamps and lanterns sent the atmosphere light filling to the environment through the atmosphere lamp hole, because the atmosphere lamp hole sets up upwards, therefore the atmosphere light filling can not penetrate into people's eye directly, can not produce direct glare to people's eye. Atmosphere light filling produces scattered light in the periphery of display screen to make the people's eye except receiving the light that the display screen sent, still can receive the light filling at display screen top, thereby make the photic visual angle of increase eye, and reduce the proportion of blue light in the light that people's eye received, reduce eye fatigue.
Preferably, the lamp holder fixing part is a square tube, a notch for embedding the lamp is formed in the side wall of the lamp holder fixing part, and the lamp is connected with the lamp holder fixing part in a buckling mode.
By adopting the technical scheme, when the lamp holder fixing piece is used, the lamp shell is abutted to the notch of the lamp holder fixing piece and is pressed in forcibly, the notch of the lamp holder fixing piece is expanded and deformed by the lamp shell until the lamp shell is completely embedded into the lamp holder fixing piece, and the lamp holder fixing piece is deformed and restored and is connected with the lamp shell in a buckled mode. Because the round angle is connected between each side of lamp body, consequently the lamp body can conveniently imbed in the lamp holder mounting. In addition, the lamp holder fixing piece and the lamp shell form a square clamping structure, relative rotation cannot occur, and therefore the irradiation angle of the light supplementing lamp relative to the lamp holder fixing piece is determined.
Preferably, a lamp cap metal contact electrically connected with the power supply end of the electromagnet is arranged on the inner side wall of the lamp cap fixing part, a lamp housing metal contact corresponding to the lamp cap metal contact is arranged on the lamp housing, and the controller is electrically connected with the lamp housing metal contact and supplies power to the lamp housing metal contact.
By adopting the technical scheme, when the lamp shell is clamped into the lamp cap fixing part, the metal contact on the lamp cap fixing part is contacted with the metal contact of the controller by finely adjusting the position of the lamp shell, so that the electromagnet on the lamp cap fixing part is electrified. The arrangement of the detachable connection facilitates the production and processing of each component and the replacement of a single component during later maintenance.
Preferably, the clamping part includes the base and rotates through torsion mechanism and connect in the balanced seat of base, the dog sets up on the base, be provided with splint on the base, splint and the cooperation of balanced seat form the centre gripping chamber that supplies the embedding of display screen edge, torsion mechanism drive splint and balanced seat are close to each other in order to press from both sides tight display screen edge.
Preferably, balanced seat is including balanced shell, torsion mechanism locates the torsional spring on the gag lever post including the gag lever post that is fixed in on the base and cover, the gag lever post is worn out the base and is connected with balanced shell rotation, the torque arm at torsional spring both ends is fixed with base and balanced shell respectively, the balanced shell of torsional spring drive rotates towards the direction of splint.
Through adopting above-mentioned technical scheme, the both ends and the base fixed connection of gag lever post play the supporting role to the torsional spring that the cover was located it to prevent the torsional spring to take place the lateral distortion and can't produce the torsion action when the atress. Two torsion arms of the torsion spring, one is fixed on the base, the other is fixed on the balance shell, and the base and the balance shell which are respectively fixed on the two torsion arms have opposite rotating trends through the arrangement of the initial positions of the torsion arms, so that an object in the clamping cavity is clamped and fixed.
Drawings
Fig. 1 is an overall schematic view of a multifunctional light supplement lamp for a display screen in an embodiment of the present application;
fig. 2 is a usage state diagram of a multifunctional light supplement lamp for a display screen in an embodiment of the present application;
FIG. 3 is an exploded view of a lamp in an embodiment of the present application;
FIG. 4 is an enlarged view at B in FIG. 3;
FIG. 5 is an enlarged view at C in FIG. 3;
FIG. 6 is an enlarged view at A in FIG. 2;
FIG. 7 is an overall schematic view of a clamp in an embodiment of the present application;
fig. 8 is an exploded view of a clip in an embodiment of the present application.
Description of reference numerals:
1. a light fixture; 11. a lamp housing; 111. a bottom wall; 112. a top wall; 113. a front side wall; 114. a rear sidewall; 115. an opening; 116. a baffle plate; 117. a distance-correcting device; 1171. a ranging sensor; 1172. an illumination sensor; 12. an atmosphere light supplement lamp; 13. a screen light supplement lamp; 14. a lamp panel; 141. a transverse plate; 142. a longitudinal plate; 143. a TYPE-C connector; 15. a plug; 16. a wire protecting seat; 161. a through hole; 171. a chuck wall; 172. a clamping groove; 181. an atmosphere lamp hole; 182. a light-emitting gap; 191. a clamping wall; 192. a card slot; 193. a light-transmitting plate; 194. a light-gathering arc surface;
2. a clamp; 21. a lamp holder fixing member; 211. a notch; 212. a socket; 22. a clamping portion; 221. a base; 222. a balance seat; 2221. a balance shell; 2222. a balancing weight; 223. a splint; 224. a clamping cavity; 23. a rotating mechanism; 231. a stopper; 232. rotating the block; 233. a fixed shaft; 234. a bevel; 24. a torsion mechanism; 241. a limiting rod; 242. a torsion spring; 25. an anti-slip gasket; 26. a drive mechanism; 261. permanent magnet blocks; 262. an electromagnet; 263. a lamp housing metal contact; 264. a lamp cap metal contact;
3. a display screen; 4. a keyboard.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The human eyes feel uncomfortable or fatigued due in part to uneven brightness in the visual field. For a notebook computer, in a dark environment, when the screen brightness of the display screen 3 is low, it means that the blue light emitted by the display screen 3 is less, and the demand for screen light supplement is not high. However, the light of the keyboard 4 needs to be supplemented in a dark environment, so that the user can see the keyboard 4 clearly. When the luminance of display screen 3 is higher, the light that display screen 3 sent is enough to illuminate keyboard 4, and lamps and lanterns 1 need do this moment, carries out the light filling to display screen 3 to reduce the blue light proportion in the light that the people's eye received, thereby reach the eyeshield effect.
The embodiment of the application discloses 3 light filling lamps of display screen of automatic angle regulation. Referring to fig. 1 and 2, the light supplement lamp for the display screen 3 capable of automatically adjusting the angle includes a lamp 1 for supplementing light to the environment and the display screen 3, and a clamp 2 for fixing the lamp 1 on the display screen 3.
Referring to fig. 3 and 4, the lamp 1 includes a lamp housing 11 connected to the jig 2, an atmosphere fill-in lamp 12 for emitting atmosphere fill-in light, a screen fill-in lamp 13 for emitting screen fill-in light, a lamp panel 14 fixed in the lamp housing 11 for carrying the atmosphere fill-in lamp 12 and the screen fill-in lamp 13, and plugs 15 detachably connected to both ends of the lamp housing 11.
The lamp body 11 is the tubular structure of rectangular shape, can be made by materials such as steel material, plastics, aluminum alloy, selects pure aluminium material in this embodiment, and pure aluminium material's heat conductivility is good, only inferior to silver, copper and gold in pure metal, can carry out quick heat dissipation to atmosphere light filling lamp 12 and screen light filling lamp 13, reduces the life decline that inclosed lamp body 11 gathers the heat in a large number and leads to the lamp pearl. Meanwhile, the reflectivity of the polished surface of the pure aluminum to the white light reaches more than 80%, the absorption of the lamp shell 11 to the light can be reduced, and the transmission rate of atmosphere light supplement and screen light supplement is improved. The lamp housing 11 includes a bottom wall 111, a top wall 112, a front side wall 113 and a rear side wall 114, wherein the bottom wall 111 and the top wall 112 are disposed oppositely, and the front side wall 113 and the rear side wall 114 are disposed at two opposite ends of the bottom wall 111 and connected to two opposite ends of the top wall 112 respectively. The junction of the walls of the lamp envelope 11 is a smooth transition, in this embodiment a rounded junction.
The lamp panel 14 includes horizontal board 141 and vertical board 142, and horizontal board 141 and vertical board 142 are rectangular shape square slab and are the cross crisscross. Atmosphere light filling lamp 12 is installed on the side of vertical board 142 perpendicular to horizontal board 141, and screen light filling lamp 13 is installed on the bottom surface of horizontal board 141, and in this embodiment, screen light filling lamp 13 is no blue light LED lamp area. Referring to fig. 5, the horizontal plate 141 is further provided with a plurality of controllers for controlling the brightness and color temperature of the screen fill light 13 and the atmosphere fill light 12, and a TYPE-C connector 143 for supplying power to the lamps and the controllers. The middle part of the rear side wall 114 of the lamp housing 11 is embedded with a wire protecting base 16, and a through hole 161 aligned with the TYPE-C connector 143 is arranged on the wire protecting base 16, so that the TYPE-C connector penetrates through the through hole 161 to be connected with the TYPE-C connector 143. With reference to fig. 4, the front sidewall 113 and the rear sidewall 114 of the lamp housing 11 are respectively provided with two opposite clamping walls 171, the opposite clamping walls 171 cooperate to form a clamping groove 172, the width of the clamping groove 172 is adapted to the thickness of the transverse plate 141, two ends of the transverse plate 141 are respectively disposed in the clamping groove 172 and abut against the clamping walls 171, and the transverse plate 141 can slide along the clamping groove 172 and is connected to the sliding groove in a sliding manner. When mounting, the transverse plate 141 is aligned with the clip groove 172, and the transverse plate 141 is pushed into the clip groove 172.
Referring to fig. 3, the top wall 112 of the lamp housing 11 is provided with a plurality of atmosphere lamp holes 181 for supplying atmosphere light to penetrate out and illuminate to the environment, the atmosphere lamp holes 181 are round holes and are arranged on the top wall 112, and the distance between the atmosphere lamp holes 181 gradually increases in the direction close to the two ends of the top wall 112. According to the eye structure characteristics of people, the amount of light entering the eyes of the front of the display screen 3 is large, and in order to reduce the brightness difference between the front of the display screen 3 and the background environment, more supplementary lighting is needed compared with the two sides, so the atmosphere lamp holes 181 in the middle of the lamp 1 are arranged more densely, and the generation of glare is reduced.
Referring to fig. 4, an opening 115, a blocking piece 116 adapted to the shape of the opening 115, and a distance-adjusting device 117 are disposed at a connection portion between the bottom wall 111 and the rear sidewall 114 of the lamp housing 11, the blocking piece 116 is installed in the opening 115, and one end of the blocking piece 116 is rotatably connected to an edge of the lamp housing 11 at the opening 115.
Referring to fig. 6, the distance calibration device 117 includes a rotating motor (not shown in the figure) disposed on the lamp housing 11, a distance measurement sensor 1171 disposed on the blocking piece 116, and a control unit connected to the distance measurement sensor 1171, wherein a rotating shaft of the rotating motor is connected to a rotating shaft of the blocking piece 116 through a gear transmission mechanism, the distance measurement sensor 1171 is used for detecting a distance between the blocking piece 116 and the display screen 3 and sending a corresponding distance measurement signal, and the control unit receives the distance measurement signal and controls the rotating motor to rotate based on the distance measurement signal to keep the distance between the distance measurement sensor 1171 and the display screen 3 constant.
Referring to fig. 4, the bottom wall 111 of the lamp housing 11 is provided with a light exit slit 182 along the length direction of the bottom wall 111, and the light exit slit 182 is used for light supplement of the screen to pass out to illuminate the display screen 3. The bottom wall 111 is provided with two clamping walls 191 at two sides of the light-emitting slit 182, and the two clamping walls 191 are oppositely arranged and matched with the bottom wall 111 to form a clamping groove 192. The light-transmitting plate 193 is connected in the clamping groove 192 in a clamping manner, the light-transmitting plate 193 is a strip-shaped square plate made of acrylic, the width and the depth of the clamping groove 192 are matched with the light-transmitting plate 193, and the light-transmitting plate 193 slides in the clamping groove 192 and is connected with the clamping groove 192 in a sliding manner. The light-transmitting plate 193 is provided with diffusing corrugations, so that screen supplementary lighting transmitted by the light-transmitting plate 193 is changed into soft diffusing light, and light emitted by the display screen 3 is supplemented, so that the proportion of blue light in the light received by the eyes is reduced, and the eye protection effect and the eye fatigue reduction effect are achieved. The opposite side of the clamping wall 191 is provided with a light-gathering arc surface 194, and the light-gathering arc surface 194 is bent towards the screen light supplement lamp 13 in the direction away from the light-transmitting plate 193, so that light rays emitted by the screen light supplement lamp 13 towards the front side wall 113 and the rear side wall 114 of the lamp housing 11 are converged towards the light-transmitting plate 193, and the light output quantity of the light-transmitting plate 193 is improved.
Referring to fig. 7, the fixture 2 includes a cap holder 21 for holding the lamp 1, a clamping portion 22 for fixing the edge of the display screen 3, a rotating mechanism 23 for connecting the cap holder 21 and the clamping portion 22, a driving mechanism 26 for driving the cap holder 21 to rotate toward or away from the clamping portion 22, and a control circuit for controlling the driving mechanism 26.
Referring to fig. 8, the cap fixing member 21 is a square tube, and the shape of the cavity inside the square tube is adapted to the shape of the lamp housing 11. The side wall of the lamp holder fixing member 21 is provided with a notch 211 for the lamp 1 to be embedded in along the length direction of the lamp holder fixing member 21, and the lamp 1 is connected with the lamp holder fixing member 21 in a buckling manner. When the lamp holder fixing piece 21 is used, the lamp shell 11 is abutted against the notch 211 of the lamp holder fixing piece 21 and is pressed in forcibly, the notch 211 of the lamp holder fixing piece 21 is expanded and deformed by the lamp shell 11 until the lamp shell 11 is completely embedded into the lamp holder fixing piece 21, and at the moment, the lamp holder fixing piece 21 is deformed and restored and is connected with the lamp shell 11 in a buckling mode. Due to the rounded connection between the sides of the lamp housing 11, the lamp housing 11 can be easily embedded in the cap holder 21.
The lamp holder fixing member 21 is provided with a socket 212 for inserting the TYPE-C connector to connect with the lamp 1, and when the lamp is to be installed, the socket 212 is aligned with the through hole 161 of the wire protecting base 16, so that the TYPE-C connector can be inserted into the lamp housing 11 and connected with the TYPE-C connector 143.
With continued reference to fig. 7 and 8, the clamping portion 22 includes a base 221 and a balance base 222 rotatably connected to the base 221 through a torsion mechanism 24, the rotation mechanism 23 includes two stoppers 231 oppositely disposed on the base 221, a rotation block 232 disposed on the outer surface of the lamp holder fixing member 21 and located between the stoppers 231, and a fixing shaft 233 passing through the stoppers 231 and the rotation block 232, in this embodiment, the fixing shaft 233 is a wire passing through the stoppers 231 and the rotation block 232, and one end of the wire away from the head is in threaded connection with a nut, and the nut locks the wire on the stoppers 231. The rotating block 232 is rotatably connected with the machine wire, and the side surface of the rotating block 232 facing the stop block 231 is abutted against the stop block 231, so that the friction force between the stop block 231 and the rotating block 232 can prevent the rotation of the rotating block 232 caused by self weight. When the lamp 1 is used, the lamp 1 is only required to be manually pulled, so that the external force applied to the lamp 1 is greater than the friction force between the rotating block 232 and the stop block 231, and the irradiation angle of the lamp 1 can be adjusted.
The side of the stopper 231 facing the base fixture 21 is a slope 234 on the rotation path of the base fixture 21, and the base fixture 21 moves closer to or away from the slope 234 when the rotation block 232 rotates around the fixed shaft 233 in the forward or reverse direction. The driving mechanism 26 includes a permanent magnet 261 provided on the inclined surface 234, and an electromagnet 262 (see fig. 3) provided on the lamp head fixing member 21 on the side facing the inclined surface 234, in the embodiment, the permanent magnet 261 is embedded in the stopper 231, and one end close to the inclined surface 234 is a north pole, and the electromagnet 262 is installed in the lamp head fixing member 21, and a magnetic pole of one end faces the permanent magnet 261. Referring to fig. 7, a lamp cap metal contact 264 electrically connected to the power supply terminal of the electromagnet 262 is disposed on the inner side wall of the lamp cap fixing member 21, referring to fig. 3, a lamp housing metal contact 263 corresponding to the lamp cap metal contact 264 is disposed on the lamp housing 11, and the controller is electrically connected to the lamp housing metal contact 263 and supplies power to the lamp housing metal contact 263.
The control circuit is arranged in a controller in the lamp tube and comprises a detection module, a control module and an execution module.
Referring to fig. 6, the detection module includes an illumination sensor 1172 disposed on the lamp 1, and in this embodiment, the illumination sensor 1172 is located on a side of the baffle 116 where the distance measuring sensor 1171 is disposed. The illumination sensor 1172 is configured to detect the brightness of the display screen 3 and to emit a detection signal based on the brightness of the display screen 3. When the lamp 1 is rotated, the illuminated area of the lamp 1 will change. The detection module detects the brightness of the display screen 3 and sends out a corresponding detection signal, and the intensity of the detection signal is in direct proportion to the brightness of the display screen 3.
The control module comprises a preset voltage output source for outputting a preset signal, receives the detection signal and outputs a control signal based on the relative size of the detection signal and the preset signal; the preset signal is equivalent to a change threshold of the detection signal and corresponds to a preset brightness, and the control module compares the detection signal with the preset signal and outputs a control signal based on a comparison result.
The execution module is connected to the control module and controls the driving mechanism 26 to drive the lamp head fixing member 21 to rotate towards or away from the clamping portion 22 based on the control signal.
When the intensity of the detection signal is greater than the preset signal, that is, the brightness of the display screen 3 is higher than the preset brightness, at this time, the control signal controls the execution module to enable the magnetic pole magnetism of the electromagnet 262 facing the permanent magnet 261 to be a south pole, the electromagnet 262 adsorbs the permanent magnet to drive the lamp holder fixing piece 21 to rotate towards the inclined plane 234, at this time, the illuminated area of the lamp 1 is turned to the display screen 3 from the keyboard 4, so that the lamp 1 supplements light to the display screen 3, and the proportion of blue light received by human eyes in light is reduced.
When the intensity of the detection signal is smaller than the preset signal, that is, the brightness of the display screen 3 is lower than the preset brightness, at this time, the control signal controls the execution module to enable the magnetic pole of the electromagnet 262 facing the permanent magnet 261 to be a north pole, the electromagnet 262 and the permanent magnet repel each other, the driving mechanism 26 drives the lamp holder fixing piece 21 to rotate away from the inclined plane 234, that is, the illuminated area of the lamp 1 is to be turned from the display screen 3 to the keyboard 4, so that the keyboard 4 is supplemented with light.
Referring to fig. 7 and 8, the balancing base 222 includes a balancing shell 2221 and a balancing weight 2222 disposed inside the balancing shell 2221, the balancing shell 2221 includes two end surfaces parallel to each other and an arc-shaped side surface connecting the end surfaces, the end surfaces are shaped like a water drop, the limiting rod 241 is rotatably connected to the thin end of the end surface, and the thick end of the end surface is fixedly connected to the balancing weight 2222. In this embodiment, the balancing weight 2222 is a cylindrical solid iron block, and two ends of the balancing weight are connected to the end surfaces of the balancing shell 2221.
With continued reference to fig. 7 and 8, the torsion mechanism 24 includes a limiting rod 241 fixed on the base 221 and a torsion spring 242 sleeved on the limiting rod 241, two ends of the limiting rod 241 penetrate through the base 221 and are rotatably connected with the balance shell 2221, a torsion arm at one end of the torsion spring 242 is fixedly connected with the base 221, and a torsion arm at the other end is fixedly connected with the balance shell 2221. The base 221 is provided with a clamping plate 223, the clamping plate 223 and the balance base 222 cooperate to form a clamping cavity 224 for the edge of the display screen 3 to be embedded, and the torsion spring 242 drives the balance base 222 to approach the clamping plate 223 to clamp the edge of the display screen 3. In particular, the clamping plate 223, the balancing shell 2221 and the base 221 are provided with anti-slip gaskets 25 at the portions located in the clamping cavities 224.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an automatic angle regulation's display screen light filling lamp, a serial communication port for the notebook computer throws light on, including lamps and lanterns (1) and anchor clamps (2), the bottom of lamps and lanterns (1) is luminous, anchor clamps (2) including lamp holder mounting (21) that are used for fixed lamps and lanterns (1), be used for with display screen (3) edge phase fixed clamping part (22), rotation mechanism (23) of connecting lamp holder mounting (21) and clamping part (22), be used for driving lamp holder mounting (21) towards or keep away from clamping part (22) pivoted actuating mechanism (26) and be used for controlling actuating mechanism's (26) control circuit, control circuit includes:
the detection module comprises an illumination sensor (1172) arranged on the lamp (1) and is used for detecting the brightness of the display screen (3) and sending out a detection signal based on the brightness of the display screen (3);
the control module comprises a preset voltage output source for outputting a preset signal, and receives the detection signal and outputs a control signal based on the relative size of the detection signal and the preset signal;
the execution module is connected to the control module and controls the driving mechanism (26) to drive the lamp cap fixing piece (21) to rotate towards or away from the clamping part (22) based on the control signal;
the lamp shell (11) is provided with an opening (115) and a baffle plate (116) matched with the opening (115) in shape, the baffle plate (116) is installed in the opening (115), one end of the baffle plate is rotatably connected with the edge of the lamp shell (11) at the opening (115), and the illumination sensor (1172) is installed on one side, facing the inside of the opening (115), of the baffle plate (116); the lamp shell (11) is provided with a distance correcting device (117), the distance correcting device (117) comprises a rotating motor arranged on the lamp shell (11), a distance measuring sensor (1171) arranged on the separation blade (116) and a control unit connected with the distance measuring sensor (1171), a rotating shaft of the rotating motor is connected with a rotating shaft of the separation blade (116) through a gear transmission mechanism, the distance measuring sensor (1171) is used for detecting the distance between the separation blade (116) and the display screen (3) and sending out a corresponding distance measuring signal, and the control unit receives the distance measuring signal and controls the rotation of the rotating motor based on the distance measuring signal so as to keep the distance measuring sensor (1171) and the display screen (3) fixed.
2. The light supplement lamp for the display screen with the automatic angle adjustment function according to claim 1, wherein the rotating mechanism (23) comprises two stoppers (231) oppositely arranged on the clamping portion (22), a rotating block (232) arranged on the outer surface of the lamp holder fixing member (21) and located between the stoppers (231), and a fixing shaft (233) penetrating through the stoppers (231) and the rotating block (232), two ends of the rotating block (232) are respectively abutted against opposite side surfaces of the two stoppers (231), two ends of the fixing shaft (233) are respectively fixedly connected with the stoppers (231), and the fixing shaft (233) is rotatably connected with the rotating block (232).
3. The light supplement lamp for the display screen capable of automatically adjusting the angle according to claim 2, wherein one surface of the stop block (231) facing the lamp holder fixing member (21) is an inclined surface (234) located on a rotation path of the lamp holder fixing member (21), the lamp holder fixing member (21) is close to or away from the inclined surface (234) when the rotating block (232) rotates around the fixed shaft (233), the driving mechanism (26) comprises a permanent magnet block (261) arranged on the inclined surface (234) and an electromagnet (262) arranged on one side of the lamp holder fixing member (21) facing the inclined surface (234), and the execution module controls the electromagnet (262) to be energized in the forward direction or in the reverse direction so as to attract or push away the electromagnet (262).
4. The automatic angle adjustment's display screen light filling lamp of claim 1, wherein, lamps and lanterns (1) are including linking in lamp body (11) of anchor clamps (2), atmosphere light filling lamp (12) for sending the atmosphere light filling, screen light filling lamp (13) for sending the screen light filling, lamp plate (14) for carrying atmosphere light filling lamp (12) and screen light filling lamp (13) and being fixed in lamp body (11) and be used for controlling screen light filling lamp (13) luminous and fix the controller on lamp plate (14), the top of lamp body (11) is provided with a plurality of atmosphere lamp holes (181) that supply the atmosphere light filling to wear out and shine to the environment, the bottom of lamp body (11) is provided with light-emitting gap (182) that supply the screen light filling to wear out.
5. The automatic angle regulation's display screen light filling lamp of claim 1, characterized in that, lamp holder mounting (21) is square pipe, be provided with on the lateral wall of lamp holder mounting (21) and supply breach (211) of lamps and lanterns (1) embedding, lamps and lanterns (1) with lamp holder mounting (21) buckle is connected.
6. The automatic angle adjustment light supplement lamp for the display screen according to claim 2, wherein a lamp cap metal contact (264) electrically connected with the power supply end of the electromagnet (262) is arranged on the inner side wall of the lamp cap fixing member (21), a lamp housing metal contact (263) corresponding to the lamp cap metal contact (264) is arranged on the lamp housing (11), and the controller is electrically connected with the lamp housing metal contact (263) and supplies power to the lamp housing metal contact (263).
7. The light supplement lamp for the display screen with the automatic angle adjustment function of claim 1, wherein the clamping portion (22) comprises a base (221) and a balance seat (222) rotatably connected to the base (221) through a torsion mechanism (24), the stop block (231) is arranged on the base (221), a clamping plate (223) is arranged on the base (221), the clamping plate (223) and the balance seat (222) are matched to form a clamping cavity (224) for the edge of the display screen (3) to be embedded into, and the torsion mechanism (24) drives the clamping plate (223) and the balance seat (222) to approach each other to clamp the edge of the display screen (3).
8. The light supplement lamp for the display screen with the angle automatically adjusted according to claim 7, wherein the balance seat (222) comprises a balance shell (2221), the torsion mechanism (24) comprises a limiting rod (241) fixed on the base (221) and a torsion spring (242) sleeved on the limiting rod (241), the limiting rod (241) penetrates out of the base (221) and is rotatably connected with the balance shell (2221), the torque arms at two ends of the torsion spring (242) are respectively fixed with the base (221) and the balance shell (2221), and the torsion spring (242) drives the balance shell (2221) to rotate towards the direction of the clamping plate (223).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110412288.3A CN113203060B (en) | 2020-07-16 | 2020-07-16 | Automatic angle regulation's display screen light filling lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010688102.2A CN111853601B (en) | 2020-07-16 | 2020-07-16 | Automatic angle regulation's display screen light filling lamp |
| CN202110412288.3A CN113203060B (en) | 2020-07-16 | 2020-07-16 | Automatic angle regulation's display screen light filling lamp |
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| CN202010688102.2A Division CN111853601B (en) | 2020-07-16 | 2020-07-16 | Automatic angle regulation's display screen light filling lamp |
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| CN113203060A true CN113203060A (en) | 2021-08-03 |
| CN113203060B CN113203060B (en) | 2023-10-27 |
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| CN202110412288.3A Active CN113203060B (en) | 2020-07-16 | 2020-07-16 | Automatic angle regulation's display screen light filling lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112558693A (en) * | 2020-12-16 | 2021-03-26 | 惠州Tcl移动通信有限公司 | External light filling device, protective sleeve, keyboard and mobile terminal |
| CN114659049A (en) * | 2020-12-23 | 2022-06-24 | 苏州佳世达电通有限公司 | Clamp lamp and light-emitting control method using same |
| CN112762422B (en) * | 2021-02-05 | 2022-08-16 | 广东建安市政工程有限公司 | Intelligent control lighting system of town road |
| CN113566155B (en) * | 2021-07-23 | 2024-05-10 | 深圳市创亿通途科技有限公司 | Display hanging lamp and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN111853601A (en) | 2020-10-30 |
| CN113203060B (en) | 2023-10-27 |
| CN111853601B (en) | 2021-04-16 |
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