CN212108047U

CN212108047U - Shadowless classroom eye-protecting lamp

Info

Publication number: CN212108047U
Application number: CN202020951649.2U
Authority: CN
Inventors: 张誉脐; 孔志方
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-12-08
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a shadowless classroom eye-protecting lamp, it is respectively to install a set of fixed mounting support that is on a parallel with the blackboard on the ceiling of upside in being close to front and back blackboard position in the classroom, be equipped with left jib and right jib on the front and back fixed mounting support respectively, the upper end of controlling the jib is equipped with fixed connection seat, fixed connection seat is fixed on the wall of classroom top ceiling by expansion bolts installation respectively, fixed mounting support is by the bottom of bolt fixed mounting at the jib, 4-6 classroom eye-protecting lamps are equipped with to the upper end of fixed mounting support, this lamps and lanterns utilize the white smooth surface of smooth ceiling in classroom top, make lamps and lanterns shine light and take place phenomenons such as reflection, refraction, thereby form the interior shadowless illuminating effect of classroom. The utility model discloses be suitable for the classroom ceiling and be white whitewashed wall, if meet the classroom ceiling and be non-white, should be on classroom ceiling surface spraying white.

Description

Shadowless classroom eye-protecting lamp

Technical Field

The utility model relates to an illumination lamps and lanterns, especially a shadowless classroom eye-protecting lamp.

Background

The classroom lighting lamp sold and used in the market at present mainly uses a fluorescent tube as a main lighting source, and the lamp has the following defects in long-term use: firstly, the naked lamp is used, lacks the protective function of eye protection, can generate direct glare and stimulates eyes of students; secondly, the lamp has low working frequency and stroboflash, which damages the eyes of students; thirdly, the color rendering index of the lamp is lower than 60, the vision is unclear, and the color is distorted; fourthly, the lamp excites the lamp tube to emit light after the lamp tube is heated and conducted by the positive electrode wire and the negative electrode wire, the electrode wires are easy to age and break, the service life is short, and the annual maintenance cost is high; fifthly, the light effect is low, the desk surface of the students in the classroom has insufficient illumination, and the books are not clearly seen in shadow. In addition, the most recently sold classroom eye protection lamps in the market all use LEDs as lighting sources, and the LED lamps have blue light harm, so that the eyesight health of students can be adversely affected when the students read and study under the condition of the blue light harm for a long time, and the students can feel uncomfortable in severe cases.

Disclosure of Invention

The utility model aims at overcoming above-mentioned defect, provide a shadowless classroom eye-protecting lamp to protect student's eyesight improves illuminating effect.

The utility model comprises a classroom eye-protecting lamp, a suspender and a fixed mounting bracket, wherein the classroom eye-protecting lamp comprises a heat radiation lamp holder, a power coupler, a reflecting lampshade, toughened glass and an electronic ballast, and the structure is characterized in that a group of fixed mounting brackets parallel to a blackboard are respectively arranged on the ceiling close to the upper sides of the front and the rear blackboard positions in a classroom, the front and the rear fixed mounting brackets are respectively provided with a left suspender and a right suspender, the upper ends of the left and the right suspenders are provided with a fixed connecting seat, the fixed connecting seats are respectively fixed on the wall of the ceiling at the top of the classroom by expansion bolts, the fixed mounting bracket is fixedly arranged at the bottom end of the suspender by bolts, 4-6 classroom eye-protecting lamps are arranged at the upper end of the fixed mounting bracket, the light outlets of each eye-protecting lamp are upwards and uniformly arranged and fixed on the fixed mounting bracket, the toughened glass is fixed on the reflecting lamp shade by the metal hoop, the reflecting lamp shade is fixedly installed on the radiating lamp holder, the radiating lamp holder is installed at the upper end of the fixed installation support by bolts, the radiating lamp holder is provided with a power coupler, the input line of the power coupler passes through the threading through hole between the radiating lamp holder and the fixed installation support and is connected with the outgoing line of the output end of the electronic ballast, the fixed installation support below the radiating lamp holder is internally provided with an assembly hole, the electronic ballast of each lamp is respectively installed in the assembly hole in the fixed installation support, the power coupler is installed on the radiating lamp holder, the outside of the power coupler is provided with a bulb, the tail part of the bulb is provided with a buckle type plastic connecting ring, a buckle convex point at the inner side of the plastic connecting ring is matched with an inner groove of the power coupler, the bulb can be fixed on the power coupler by rotating, the input line adopts the Y type mode to be connected with the power connecting wire in the fixed mounting support, arrange the fixed mounting support in after the input line of every lamps and lanterns and power connecting wire safety connection, close the back with fixed mounting support bottom cover board, the other end of power connecting wire is worn out from the through wires hole of fixed mounting support side apron, the switch-on commercial power can be lighted, this lamps and lanterns utilize the smooth surface of white level and smooth ceiling in classroom top, make lamps and lanterns shine light and take place phenomenons such as reflection, refraction, thereby form the interior shadowless illuminating effect of classroom. The invention is suitable for the white whitewall of the ceiling of the classroom, and if the ceiling of the classroom is non-white, the white is sprayed on the surface of the ceiling of the classroom.

The utility model has the advantages that:

1. no glare. The lamp does not directly irradiate the surface of the desk and the surface of the blackboard, and utilizes the reflection and refraction principle of light, thereby generating the diffuse reflection effect of light in a classroom, effectively solving the glare problem that the naked lamp directly irradiates the eyes of students, and solving the problem that the light hurts the eyesight of the students in the classroom because the light is soft and has no shadow.

2. No stroboflash. The lamp adopts a low-frequency inner coupler electrodeless lamp light source, the working frequency is 200KHz, which is 4000 times of 50Hz, and the problem of damage to eyes caused by light stroboflash is avoided.

3. And (5) protecting eyes by lamplight. The lamp adopts the fluorescent powder with high color rendering index, the spectrum is close to natural light, the effect of sunlight in cloudy days is simulated, the lamp is free from blue light harm, and eyes are protected without dazzling and injuring eyes when people read books and study in classrooms.

4. The service life is long. The lamp adopts a low-frequency inner coupling electrodeless lamp light source, no filament or electrode is arranged in a bulb, the service life of the lamp can reach more than 6 ten thousand hours, the service life of a common fluorescent tube is more than 10 times that of the common fluorescent tube, the service life of the lamp is greatly prolonged, and the maintenance cost of the lamp in a classroom of a school is saved.

5. The spectral distribution is uniform. The eye-protecting lamp has uniform spectral distribution, does not stimulate eyes, does not cause discomfort when people read books and learn for a long time, and effectively achieves the eye-protecting effect.

6. Reading under the lamp, study no shadow, the blackboard face does not have the reflection of light, no matter the front row student, still leans on student or the student of classroom both sides, all can be clear see the blackboard, has effectively solved because of the reflection of light of blackboard lamps and lanterns, the problem that the blackboard was not clearly seen to the student.

7. The lighting effect is good. The lamp is provided with a sample plate at a classroom of a local school, the length of the sample plate is 12 meters, the width of the sample plate is 8.8 meters, 6 ceiling fans are respectively arranged at the front-row blackboard and the rear-row blackboard of the classroom, the lamp opening is upward, the total 12 ceiling fans are arranged, and a plurality of ceiling fans are arranged at the middle position of the classroom.

The following is further detailed with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of a front group of light fixtures;

FIG. 2 is a schematic view of the installation of front and rear sets of lamps;

fig. 3 is a schematic view of an eye-protection lamp.

Detailed Description

A group of fixed mounting brackets 5 parallel to a blackboard 6 are respectively arranged on a ceiling 4 at the inner upper side close to the front and rear blackboard positions in a classroom shown in figures 1-2, a left suspender 2 and a right suspender 3 are respectively arranged on the front and rear fixed mounting brackets, the upper ends of the left and right suspenders are provided with fixed connecting seats, the fixed connecting seats are respectively arranged and fixed on the wall of the ceiling at the top of the classroom by expansion bolts, the fixed mounting brackets are fixedly arranged at the bottom end of the suspenders by bolts, the upper end of the fixed mounting brackets is provided with 4-6 classroom eye-protection lamps 1, the light-emitting ports of each eye-protection lamp are upwards and uniformly arranged and fixed on the fixed mounting brackets, the upper ends of the light-emitting ports are provided with transparent toughened glass, the toughened glass is fixed on a reflector by metal hoops, the reflector is fixedly arranged on a heat-radiating lamp holder, the heat-radiating lamp holder, the input line of the power coupler passes through the threading through hole between the heat dissipation lamp holder and the fixed mounting bracket and is connected with the outgoing line of the output end of the electronic ballast.

Bulb 9 is installed to the upper end of the heat dissipation lamp stand 11 that shows in fig. 3, be equipped with power coupler 10 in the bulb 9, the outside of bulb is equipped with reflection of light lamp shade 8, reflection of light lamp shade's bottom fixed mounting is on the heat dissipation lamp stand, be equipped with transparent toughened glass 7 on the light-emitting window of reflection of light lamp shade upper end, the heat dissipation lamp stand is fixed in the upper end of fixed mounting support 5 by the bolt installation, be equipped with the pilot hole on the fixed mounting support of heat dissipation lamp stand bottom, electronic ballast 12 is equipped with in the pilot hole, electronic ballast's output line is connected with power coupler, electronic ballast draws the input line by the input, the input line is worn out from the through wires. The electronic ballast of each lamp is respectively arranged in an assembly hole in a fixed mounting bracket, a power coupler is arranged at the upper end of a radiating lamp holder, a bulb is arranged outside the power coupler, the tail part of the bulb is provided with a buckle type plastic connecting ring, a buckle convex point at the inner side of the plastic connecting ring is matched with an inner groove on the power coupler and can be fixed after anticlockwise rotation, an input line is led out from the input end of the electronic ballast of each lamp and is connected with a power supply connecting line in the fixed mounting bracket in a Y-shaped mode, the input line of each lamp is safely connected with the power supply connecting line and then is arranged in the fixed mounting bracket, after a bottom cover plate of the fixed mounting bracket is closed, the other end of the power supply connecting line penetrates out of a threading hole of the side cover plate of the fixed mounting bracket, and can be lightened after the mains supply is switched on, the lighting device can reflect and refract the light rays irradiated by the lamp, thereby forming the lighting effect without shadow in the classroom. The utility model discloses be suitable for the classroom ceiling and be white whitewashed wall, if meet the classroom ceiling and be non-white, should be on classroom ceiling surface spraying white.

The utility model discloses a shadowless classroom eye-protecting lamp utilizes the reflection of light, refraction to form shadowless illuminating effect after the circular telegram, and this scheme is the novel shadowless illumination lamps and lanterns of hi-Tech that collect newest electric light source technique, eyeshield technique as an organic whole, and lamps and lanterns need not the filament, adopt electric field magnetic field to arouse gas discharge, give out light, have longe-lived, and no glare, no stroboflash, no blue light harm, the sun natural light that is closest to shadow department, and illuminating effect is good, uses for a long time not dazzling to eyesight, does not hinder advantages such as eye. The electronic ballast is set in the fixing frame, the electronic ballast outputs a low frequency pulse current above 140KHz, which is transmitted to the power coupler through the special feedback line, when the low frequency pulse current passes through the power coupler, an electromagnetic field is generated, the changed magnetic field generates an electric field changing in vertical magnetic field, so that the electrons in the discharge space in the bulb are accelerated by the electric field, when the energy reaches a certain value, the electrons collide with the gas molecules and mercury atoms in the bulb glass shell, the inert gas in the bulb is ionized into plasma, when the plasma is excited to return to the ground state, the plasma emits ultraviolet light, and the special fluorescent powder on the inner wall of the bulb emits visible light waves, thus forming the lighting effect. The light generated by illumination is reflected or refracted by the light reflecting lampshade and the glass to the white wall at the top of the classroom, and the light reflected or refracted by the white wall at the top of the classroom is scattered and irradiated into the space area of the classroom respectively.

Claims

1. The utility model provides a shadowless classroom eye-protecting lamp, includes classroom eye-protecting lamp, jib and fixed mounting support, classroom eye-protecting lamp comprises heat dissipation lamp stand, power coupler, reflection of light lamp shade, toughened glass, electronic ballast, its characterized in that: a group of fixed mounting brackets (5) parallel to a blackboard (6) are respectively mounted on an upper ceiling (4) close to the inner sides of front and rear blackboards in a classroom, a left suspender (2) and a right suspender (3) are respectively arranged on the front and rear fixed mounting brackets, fixed connecting seats are arranged at the upper ends of the left and right suspenders and are respectively fixed on the wall of the ceiling at the top of the classroom by expansion bolts, the fixed mounting brackets are fixedly mounted at the bottom ends of the suspenders by bolts, 4-6 classroom eye-protection lamps (1) are arranged at the upper ends of the fixed mounting brackets, light outlets of each eye-protection lamp are upwards and uniformly arranged and fixed on the fixed mounting brackets, transparent toughened glass is arranged at the upper ends of the light outlets, the toughened glass is fixed on a reflector lamp shade by metal hoop, the reflector lamp shade is fixedly mounted on a heat-radiating lamp holder, and the heat-radiating, and the power coupler is arranged on the radiating lamp holder, and an input line of the power coupler penetrates through a threading through hole between the radiating lamp holder and the fixed mounting bracket and is connected with an outgoing line of an output end of the electronic ballast.

2. The shadowless classroom eye-shield lamp of claim 1 wherein: the lamp comprises a heat dissipation lamp holder, a lamp body, a lamp base, a lamp cover, a lamp body, a lamp holder, a lamp cover, a lamp body, a lamp cover, a lamp holder, a lamp cover, a lamp base, a lamp holder, a lamp cover, a lamp base, a lamp holder.

3. The shadowless classroom eye-shield lamp of claim 2 wherein: the input line is led out from the input end of the electronic ballast of each lamp, the input line is connected with the power supply connecting line in the fixed mounting bracket in a Y-shaped mode, the input line of each lamp is safely connected with the power supply connecting line and then is arranged in the fixed mounting bracket, and after the bottom cover plate of the fixed mounting bracket is closed, the other end of the power supply connecting line penetrates out of the threading hole of the side cover plate of the fixed mounting bracket to be connected with commercial power.

4. The shadowless classroom eye-shield lamp of claim 1 wherein: bulb (9) are installed to the upper end of heat dissipation lamp stand (11), be equipped with power coupler (10) in bulb (9), the outside of bulb is equipped with reflection of light lamp shade (8), reflection of light lamp shade's bottom fixed mounting is on the heat dissipation lamp stand, be equipped with transparent toughened glass (7) on the light-emitting port of reflection of light lamp shade upper end, the heat dissipation lamp stand is fixed in the upper end of fixed mounting support (5) by the bolt-up, be equipped with the pilot hole on the fixed mounting support of heat dissipation lamp stand bottom, electronic ballast (12) are equipped with in the pilot hole, electronic ballast's output line is connected.

5. The shadowless classroom eye-shield lamp of claim 1 wherein: the electronic ballast draws forth the input line by the input, the through wires hole of input line follow fixed mounting support bottom cover board (14) is worn out, be connected with the power cord, the electronic ballast of every lamps and lanterns is installed respectively in the mounting hole in the fixed mounting support, the upper end at the heat dissipation lamp stand is installed to the power coupler, the outside of power coupler is equipped with the bulb, the afterbody of bulb is equipped with buckle formula plastics go-between, the inboard buckle bump of plastics go-between cooperates with the inner groovy on the power coupler, anticlockwise rotation is fixed.