CN210069663U - LED blackboard lamp - Google Patents
LED blackboard lamp Download PDFInfo
- Publication number
- CN210069663U CN210069663U CN201921349614.5U CN201921349614U CN210069663U CN 210069663 U CN210069663 U CN 210069663U CN 201921349614 U CN201921349614 U CN 201921349614U CN 210069663 U CN210069663 U CN 210069663U
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- lamp
- power supply
- lamp body
- light source
- blackboard
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Abstract
The utility model relates to a LED blackboard lamp, including the installation pole, be fixed in the lamp body of installation pole below and install in light source strip on the lamp body, set up in the lens in the light source strip outside and install in drive power supply board in the supporting end cover of lamp body, the installation pole is telescopic pole, the rotatable installation of installation pole in the lamp body upper surface, be equipped with wifi signal reception control module on the drive power supply board. The utility model discloses a LED blackboard lamp, the luminance of the distance of adjustable lamp and blackboard, irradiation angle and lamp guarantees the illuminance and the illuminance homogeneity on blackboard surface.
Description
Technical Field
The utility model belongs to the technical field of the illumination lamps and lanterns, concretely relates to LED blackboard lamp.
Background
The application of blackboards in teaching activities is very common. When the blackboard is in some environments with poor light, the blackboard lamp is often used to increase the brightness of the blackboard. The traditional blackboard lamp generally only uses two fluorescent tubes, the fluorescent tubes are arranged above the blackboard, the blackboard lamp is closer to the blackboard and farther from the blackboard lower side, so that the illumination on the surface of the blackboard from top to bottom is gradually attenuated, and the blackboard lamp has the defects of poor direction controllability and low light utilization rate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a LED blackboard lamp is provided, the luminance of the distance of adjustable lamp and blackboard, irradiation angle and lamp guarantees the illuminance and the illuminance homogeneity on blackboard surface.
For solving the technical problem, the utility model provides a pair of LED blackboard lamp, including the installation pole, be fixed in the lamp body of installation pole below and install in light source strip on the lamp body, set up in the lens in the light source strip outside and install in drive power supply board in the supporting end cover of lamp body, the installation pole is telescopic pole, the installation pole rotatable install in the lamp body upper surface, be equipped with wifi signal reception control module on the drive power supply board.
Preferably, the installation rod comprises a first hoisting rod and a second hoisting rod, the cross section of the first hoisting rod is in a convex shape, the cross section of the second hoisting rod is in a concave shape, and the second hoisting rod can be slidably sleeved outside the first hoisting rod and is fixed by screws to achieve length extension of the installation rod.
Preferably, the blackboard lamp further comprises a power supply box, a driving power supply board fixing groove is formed in the power supply box, an obtained driving power supply board is fixed in the power supply box through the driving power supply board fixing groove, the power supply box is fixed on the end side of the lamp body through a lamp body end cover, and the driving power supply board comprises a stroboflash removing circuit, a WIFI-to-PWM signal circuit and a PWM dimming circuit.
Preferably, the cross section of the lens is concave, the concave bottom of the concave is an inverted M-shaped structure, and the light emitting surface of the light source bar is opposite to the bottom of the concave of the lens.
Preferably, the outer side surface of the lamp body is provided with inclined light source bar fixing grooves, the light source bars are fixed on the lamp body through the light source bar fixing grooves, and the light emitting surfaces of the light source bars incline downwards.
Preferably, a lens mounting groove parallel to the light source bar fixing groove is further disposed at the outer side of the light source bar fixing groove, and the lens is mounted at the outer side of the light source bar through the lens mounting groove.
Preferably, the upper surface of the lamp body is provided with an installation clamping groove, the upper end of the installation rod is installed on a wall above the blackboard through a connecting piece, and the lower end of the installation rod is fixed on the lamp body through an installation connecting piece installed in the installation clamping groove.
The beneficial effects of the utility model are that:
1. the utility model discloses an installation pole is scalable pole, and rotatable install in lamp body upper surface, the distance of adjustable lamp and blackboard, the luminous luminance of shining angle and lamp. Be equipped with on the drive power supply board and receive wifi signal control module, send the luminance of light luminance signal through installing the light sensor in the classroom to receiving wifi signal control module adjustment blackboard lamp through the wifi mode to guarantee the illuminance and the illuminance homogeneity on blackboard surface.
2. The utility model discloses a drive power supply board reaches national standard's no stroboscopic requirement including going the stroboscopic circuit, and protection eyesight is healthy.
3. The utility model discloses a cross-section of lens is the character cut in bas-relief, and character cut in bas-relief bottom is the type of falling M structure, the light emitting area of light source strip with the bottom of the character cut in bas-relief of lens is relative, and light passes through lens make light concentrate to shine on the blackboard, improve the illuminance on blackboard surface.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a partial enlarged view of the first hoisting rod of the utility model.
Fig. 4 is a partial enlarged view of the second hoisting rod of the present invention.
Fig. 5 is a partial enlarged view of the lens of the present invention.
Fig. 6 is a partial enlarged view of the lamp body of the present invention.
Detailed Description
As shown in fig. 1-4, an LED blackboard lamp, including installation pole 1, be fixed in lamp body 2 of installation pole 1 below and install in light source strip 3 on the lamp body 2, set up in lens 4 in the light source strip 3 outside and install in drive power supply board 5 in the supporting end cover of lamp body 2, installation pole 1 is telescopic pole, the installation pole includes hoist and mount pole one 6 and hoist and mount pole two 7, the cross-section of hoist and mount pole one 6 is the type of protruding font, the cross-section of hoist and mount pole two 7 is the type of recessed character, hoist and mount pole two 7 slidable sleeve in hoist and mount pole one 6 outside and realize through screw 8 is fixed the length of installation pole 1 is flexible. The upper surface of the lamp body 2 is provided with an installation clamping groove 9, the upper end of the installation rod 1 is installed on a wall above a blackboard through a connecting piece 10, the lower end of the installation rod 1 is fixed on the lamp body 2 through an installation connecting piece 11 in the installation clamping groove 9, and the installation rod 1 is rotatably installed on the upper surface of the lamp body 2. The blackboard lamp further comprises a power supply box 12, a driving power supply board fixing groove is formed in the power supply box 12, the obtained driving power supply board 5 is fixed in the power supply box 12 through the driving power supply board fixing groove, the power supply box 12 is fixed on the end side of the lamp body 2 through the lamp body end cover 13, the driving power supply board 5 comprises a stroboscopic-removing circuit, a WIFI-to-PWM signal circuit and a PWM dimming circuit, and a WIFI signal receiving control module is arranged on the driving power supply board 5.
As shown in fig. 5, the cross section of the lens 4 is concave, and the bottom of the concave is an inverted M-shaped structure, and the light emitting surface of the light source bar is opposite to the bottom of the concave of the lens.
As shown in fig. 6, the outer side surface of the lamp body 2 is provided with inclined light source bar fixing grooves 14, the light source bars 3 are fixed on the lamp body 2 through the light source bar fixing grooves 14, and the light emitting surfaces of the light source bars 3 are inclined downward. The outer side of the light source bar fixing groove 14 is further provided with a lens mounting groove 15 parallel to the light source bar fixing groove 14, and the lens 4 is mounted on the outer side of the light source bar 3 through the lens mounting groove 15.
The utility model discloses an installation pole 1 is scalable pole, and rotatable install in 2 upper surfaces of lamp body, the distance of adjustable lamp and blackboard, the luminous luminance of shining angle and lamp. Be equipped with wifi signal reception control module on the drive power supply board 5, send the luminous luminance of light luminance signal through installing the light sensor in the classroom to wifi signal control module adjustment blackboard lamp through the wifi mode to guarantee the illuminance and the illuminance homogeneity on blackboard surface.
The utility model discloses a drive power supply board reaches national standard's no stroboscopic requirement including going the stroboscopic circuit, and protection eyesight is healthy.
The utility model discloses a special structural design of lens 4 makes light pass through lens 4 makes light evenly shine on the blackboard, improves the illuminance and the illuminance degree of consistency on blackboard surface.
The above description is illustrative and not restrictive. Many modifications and variations of the present invention will be apparent to those skilled in the art in light of the above teachings, which will fall within the spirit and scope of the invention.
Claims (7)
1. The utility model provides a LED blackboard lamp, is fixed in including the installation pole the lamp body of installation pole below and install in light source strip on the lamp body, set up in the lens in the light source strip outside and install in drive power supply board in the supporting end cover of lamp body, its characterized in that, but the installation pole is telescopic link, the installation pole is rotatable install in the lamp body upper surface, be equipped with wifi signal reception control module on the drive power supply board.
2. The LED blackboard lamp of claim 1, wherein the installation rod includes a first hoisting rod and a second hoisting rod, the cross section of the first hoisting rod is in a convex shape, the cross section of the second hoisting rod is in a concave shape, and the second hoisting rod is slidably sleeved outside the first hoisting rod and is fixed by screws to realize the length extension of the installation rod.
3. The LED blackboard lamp according to claim 1, wherein the blackboard lamp further includes a power supply box, a driving power supply board fixing slot is formed in the power supply box, the obtained driving power supply board is fixed in the power supply box through the driving power supply board fixing slot, the power supply box is fixed on the end side of the lamp body through a lamp body end cover, and the driving power supply board includes a stroboscopic-removing circuit, a WIFI-to-PWM signal circuit and a PWM dimming circuit.
4. The LED blackboard lamp as claimed in claim 1, wherein the cross section of the lens is concave, and the concave bottom of the concave is an inverted M-shaped structure, and the light emitting surface of the light source bar is opposite to the bottom of the concave of the lens.
5. The LED blackboard lamp as claimed in claim 1, wherein the outer side surface of the lamp body is provided with inclined light source bar fixing grooves through which the light source bars are fixed to the lamp body with the light emitting surfaces of the light source bars inclined downward.
6. The LED blackboard lamp of claim 5, wherein a lens mounting groove parallel to the light source bar fixing groove is further formed outside the light source bar fixing groove, and the lens is mounted outside the light source bar through the lens mounting groove.
7. The LED blackboard lamp of claim 1, wherein the upper surface of the lamp body is provided with a mounting slot, the upper end of the mounting rod is mounted on a wall above the blackboard through a connecting piece, and the lower end of the mounting rod is fixed on the lamp body through a mounting connecting piece mounted in the mounting slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921349614.5U CN210069663U (en) | 2019-08-20 | 2019-08-20 | LED blackboard lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921349614.5U CN210069663U (en) | 2019-08-20 | 2019-08-20 | LED blackboard lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210069663U true CN210069663U (en) | 2020-02-14 |
Family
ID=69430940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921349614.5U Active CN210069663U (en) | 2019-08-20 | 2019-08-20 | LED blackboard lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210069663U (en) |
-
2019
- 2019-08-20 CN CN201921349614.5U patent/CN210069663U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |