JP2010153377A - Desk lamp kit for school teaching material - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a desk lamp kit for a school teaching material which can be assembled into an original desk lamp by students each demonstrating their creativeness. <P>SOLUTION: The desk lamp kit for a school teaching material comprises a pedestal 11 housing electric components, a column 12 to be installed upright on the pedestal 11, a light emitting diode unit 13 to be fitted on the top end of the column 12, and a shade 14 to be fitted on the light emitting diode unit 13. The light emitting diode unit 13 is composed of a plurality of circuit boards 21a-21c laminated with gaps up and down, a plurality of light emitting diodes 22 of which the light emitting portions 22a are arranged on the circuit boards 21a-21c radially toward an external circumference and the lead 22b is electrically connected with the circuit boards 21a-21c, and a light emitting diode cover 21 which supports the circuit boards 21a-21c in a laminated state separated up and down and contains the circuit boards 21a-21c and covers the circumference of the light emitting diodes and is endowed with translucency. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a desk lamp for a school teaching material used as a teaching material in a practical class for elementary school high school students, junior high school students, and the like.

  In practical classes such as elementary school upper grades, junior high school students, etc., the practice of producing desk lamps is to distribute kits for wood, nails, screws, tools, etc. for pedestals and props to all students, plastic sheets for shades, cardboard, Spread adhesives. Students design pedestals and shades based on the idea of each person, cutting wood, nailing or screwing, cutting plastic sheets and cardboard and bonding them.

  Moreover, although an incandescent bulb or a fluorescent lamp is used as a light source, recently, a desk lamp using a light emitting diode having a small size, low power consumption, and long life is also known (for example, see Patent Document 1). .

JP 2004-165115 A

  However, the desk lamp of Patent Document 1 is not a teaching material, but is a finished product. In the school practice class, students make their own imagination by making use of the characteristics of light-emitting diodes to produce original desk lamps. It is not possible.

  The present invention has been made paying attention to the above-mentioned circumstances, and the object of the present invention is for a teaching material in which a student can produce an original desk lamp by using a light-emitting diode. Provide a desk lamp kit.

In order to achieve such an object, the invention of claim 1 includes a pedestal in which electrical parts are stored, a support attached to the support, a light emitting diode unit attached to the upper end of the support, A school desk lamp comprising a shade covering a light emitting diode unit, wherein the light emitting diode unit includes a plurality of circuit boards stacked apart in the vertical direction, and a light emitting portion on the outer periphery of the circuit boards. A plurality of light emitting diodes that are arranged radially and having leads electrically connected to the circuit board; and a support portion that supports the circuit board in a stacked state by separating the circuit board in the vertical direction and includes the circuit board. It is characterized by comprising a light-emitting diode cover having translucency covering the periphery of the light-emitting diode.
According to a second aspect of the present invention, at least the circuit board disposed on the lower stage side of the circuit board according to the first aspect includes a support base having a fixing pin projecting from the upper end thereof, and is disposed on the upper stage side with the support base. The circuit board arranged on the upper stage side is fixed by the fixing pin.

  According to a third aspect of the present invention, the circuit board according to the first aspect is disk-shaped, and the light emitting portions of the light emitting diodes are arranged at equal intervals along the outer peripheral edge of the circuit board.

  According to a fourth aspect of the present invention, the light-emitting diode cover according to the first aspect has a shade mounting portion at an upper end portion thereof, and the shade is fixed to the shade mounting portion. Desk lamp kit.

  The invention according to claim 5 is characterized in that the shade covering the light emitting diode unit according to claim 1 has a shade shape.

  The invention of claim 6 is a table lamp for school teaching materials comprising a pedestal for storing electrical parts, a light emitting diode unit mounted on the pedestal, and a shade covering the light emitting diode unit. The diode unit is a plurality of circuit boards that are stacked apart in the vertical direction, connecting pins that connect these circuit boards in a stacked state, and each circuit board that is radially arranged with the light emitting portion toward the outer periphery, A plurality of light emitting diodes whose leads are electrically connected to the circuit board, and a light emitting element having a light-transmitting property including the circuit board and covering the periphery of the light emitting diodes, and a support portion for supporting the laminated circuit board It is characterized by comprising a diode cover.

  The invention according to claim 7 is characterized in that the shade covering the light emitting diode unit according to claim 5 is cylindrical.

  According to the present invention, it is possible to produce an original desk lamp by using a light-emitting diode to produce an individual desk lamp.

Sectional drawing of the desk lamp for teaching materials which concerns on 1st Embodiment of this invention. The front view of the desk lamp for teaching materials of the embodiment. The base of the embodiment is shown, (a) is a sectional view of one fractured surface, (b) is a sectional view of another one fractured surface. The light emitting diode unit of the embodiment is shown, (a) is an exploded perspective view, (b) is an assembled perspective view. The light emitting diode cover of the embodiment is shown, (a) is a perspective view, (b) is a sectional view. The perspective view of the desk lamp for teaching materials which concerns on 2nd Embodiment of this invention. The side view of the desk lamp for teaching materials of the embodiment. Sectional drawing of the desk lamp for teaching materials of the embodiment. The perspective view of the light emitting diode unit of the embodiment. The light-emitting-diode unit of the embodiment is shown, (a) is sectional drawing which follows the AA line in FIG. 9, (b) is sectional drawing which follows the BB line in FIG. The perspective view of the light emitting diode assembly of the embodiment.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  1 and 2 show a table lamp for school teaching materials according to a first embodiment of the present invention. This desk lamp includes a pedestal 11 made of wood, a column 12 made of wood, a light emitting diode unit 13, and a shade 14. As shown in FIGS. 2 to 5, the pedestal 11 has a rectangular shape in plan view, and an electrical component storage unit 15 having a lower surface opening is provided inside. A through hole 16 is provided at the center of the upper surface of the pedestal 11, and a screw insertion hole penetrating in the vertical direction is provided around the through hole 16.

  The support column 12 has a prismatic shape, and a lead wire insertion path 18 is provided therein. Accordingly, the insertion path 18 on the lower end surface of the support 12 is positioned in the through hole 16 of the pedestal 11, and the screw 19 inserted through the screw insertion hole from the inside of the pedestal 11 is screwed into the support 12, thereby In the state of communication, the support column 12 can be erected vertically on the upper surface of the base 11.

  As shown in FIGS. 4 and 5, the light emitting diode unit 13 includes a light emitting diode assembly 20 and a light emitting diode cover 21 that covers and protects the light emitting diode assembly 20. In the present embodiment, the light-emitting diode assembly 20 includes first to third circuit boards 21a, 21b, and 21b each having a disc having the same outer diameter and having through holes 20a, 20b, and 20b in the center. On the substrates 21a, 21b, 21b, a plurality of light emitting diodes 22 (for example, 10) are arranged radially at equal intervals with the light emitting portions 22a facing outward and the leads 22b facing inward.

  A pair of short support bases 23 project from the upper surface of the first circuit board 21a, which is the lowest stage, so as to face each other. On the upper surface of the first circuit board 21a, a pair of tall support bases 24 project from the pair of low support bases 23 so as to be spaced apart and opposed to each other by 90 °. A pair of fixing pins 25 and 26 project from the upper ends of the support bases 23 and 24.

  The bottom surface of the second circuit board 21b, which is the second stage, supports the upper end surfaces of a pair of short support bases 23, and a pair of small pins through which fixing pins 25 projecting from the upper end portions pass. A hole 27 is formed. Furthermore, a square hole 28 through which a pair of tall support bases 24 penetrates is provided on the plate surface of the second circuit board 21b.

  The bottom surface of the third circuit board 21c at the third stage supports the upper end surfaces of a pair of tall support bases 24, and a pair of small pins through which fixing pins 26 projecting from the upper end portions pass. A hole 29 is formed.

The second circuit board 21b is overlaid on the first circuit board 21a, and the fixing pins 25 of the support base 23 are fixed by soldering on the upper surface of the second circuit board 21b. The third circuit board 21c is overlaid on the second circuit board 21b, and the fixing pins 26 of the support base 24 are fixed by soldering on the upper surface of the third circuit board 21c.

  Further, the light emitting diodes 22 provided on the first to third circuit boards 21a, 21b, and 21b are arranged in a staggered manner as viewed from the side by shifting one pitch in the circumferential direction, and light is uneven in the vertical direction and the circumferential direction. Light is emitted without any problems.

  In addition, although the white thing is used for the light emitting diode 22, for example, the blue and red light emitting diode 22 may be used according to a student's liking, and the combination of these colors may be sufficient. Further, the arrangement structure and the number of the light emitting diodes 22 are not limited to 10 and can be arbitrarily changed according to the idea of the student.

  The main body 30 of the light emitting diode cover 21 covering the light emitting diode assembly 20 thus configured is cylindrical with a light transmitting synthetic resin material so as to enclose the light emitting diode assembly 20, and a vent hole 31a is formed on the upper surface. The ceiling portion 31 has an opening 32 on the lower surface. Further, a flange portion 33 is provided at the opening edge of the main body 30, and the flange portion 33 is provided with a mounting portion 34 having a screw hole 34 b into which a screw 34 a is inserted. In addition, in order to give a lens effect to the outer peripheral surface of the main body 30 of the light emitting diode cover 21, a large number of arc-shaped portions may be formed.

  In addition, an attachment rod 35 as a support portion protruding from the center portion of the ceiling portion 31 toward the opening portion 32 is provided inside the main body 30, and the attachment rod 35 includes first to third circuit boards 21 a to 21 a. The through holes 20a, 20b, and 20b of the light emitting diode assembly 20 in which 21c are stacked are fitted. The light emitting diode assembly 20 is fixed to the mounting rod 35 with screws 36. Accordingly, the light emitting diode assembly 20 is covered with the light emitting diode cover 21 in this state, and the plurality of lead wires 37 led out from the light emitting diode assembly 20 in this state are inserted through the insertion path 18 of the support column 12. The electric component storage part 15 of the base 11 is inserted.

  A pair of shade mounting rods 38 projecting upward is provided on the upper portion of the main body 30 of the light emitting diode cover 21, and these shade mounting rods 38 are integrally connected and reinforced by ribs 39.

  The shade 14 is formed in a substantially hemispherical shade shape with a transparent or translucent synthetic resin material such as acrylic, and a cap plate 40 is integrally provided on the top thereof. The cap plate 40 is fixed to the shade mounting rod 38 by screws 41. Further, a shade cap 42 is mounted on the top of the cap plate 40, and the head of the screw 41 is covered.

  Next, the electrical component storage unit 15 provided on the pedestal 11 will be described. Inside the electrical component storage unit 15, a circuit board 44 on which an electronic component 43 is mounted is stored, and the circuit board 44 is stored in the electrical component storage unit 15. Is fixed to a boss 46 provided on the bottom cover 15a covering the opening. The bottom cover 15a is provided with a battery box 47 having an opening 47a at the bottom. A plurality of dry batteries 48 are accommodated in the battery box 47, and the opening 47a is closed by the battery cover 48a. The bottom cover 15a is provided with support legs 45a so that the pedestal 11 can be placed away from a placement surface such as a table.

  Further, an on / off switch 49 and a volume 50 are provided on the circuit board 44, and the on / off switch 49 and the volume 50 are provided so as to protrude from the upper surface of the base 11.

  In addition, a DC jack board 44a is provided inside the electrical component storage unit 15, and a DC plug 44b is connected to the DC jack board 44a, and is connected to a personal computer or the like using a USB adapter (not shown) for power. Can be supplied.

  The desk lamp configured as described above is a kit in which at least the pedestal 11, the support column 12, the circuit boards 21 a to 21 c in the light emitting diode unit 13, the components of the light emitting diode 22, the shade 14, and the like are individually separated. Distributed to students. And in practical classes, students assemble as a desk lamp using a screwdriver, soldering iron, adhesive, etc.

The order of assembling the desk lamp can be determined according to the student's preference. For example, when the column 12 is fixed to the pedestal 11, the insertion path 18 on the lower end surface of the column 12 is positioned in the through hole 16 of the pedestal 11. Then, by screwing the screw 19 into the support 12 from the inside of the pedestal 11, the support 12 is erected vertically on the upper surface of the pedestal 11 in a state of communicating with the through hole 16 of the pedestal 11.

  Next, when assembling the light emitting diode assembly 20, the light emitting portions 22a of the plurality of light emitting diodes 22 face the outside and the leads 22b face the inside on the first to third circuit boards 21a, 21b, 21b. The leads 22b are radially arranged at equal intervals, and the leads 22b are soldered to the first to third circuit boards 21a, 21b, and 21b.

  Next, the second circuit board 21b is stacked on the upper surface of the first circuit board 21a, and the fixing pins 25 of the support base 23 are fixed by soldering on the upper surface of the second circuit board 21b. Further, the third circuit board 21c is stacked on the second circuit board 21b, and the fixing pins 26 of the support base 24 are soldered and fixed on the upper surface of the third circuit board 21c, thereby completing the light emitting diode assembly 20. .

  Next, the light emitting diode assembly 20 is housed in the main body 30 of the light emitting diode cover 21, and the through holes 20 a of the light emitting diode assembly 20 in which the first to third circuit boards 21 a to 21 c are stacked on the mounting rod 35. , 20b, 20b are fitted and fixed to the mounting rod 35 with screws 36. In this state, a plurality of lead wires 37 led out from the light emitting diode assembly 20 are inserted through the insertion passage 18 of the support column 12 and to the handed goods storage portion 15 of the base 11. Further, the mounting portion 34 of the light emitting diode cover 21 is fixed to the upper end surface of the support column 12 with a screw 34a.

  Next, when the circuit board 44 on which the electronic component 43 is mounted is housed in the electrical component housing portion 15 provided on the pedestal 11 and the bottom cover 15a is positioned on the lower surface of the pedestal 11, the on / off switch 49 and the volume 50 are set to the pedestal. 11 protrudes from the top surface. And if the support leg 45a of the bottom cover 15a is fixed with respect to the base 11 with a screw, the opening part of the electrical equipment accommodating part 15 will be obstruct | occluded by the bottom cover 15a. A plurality of dry batteries 48 are accommodated in the battery box 47, and the opening 47a is closed by the battery cover 48a. Further, the DC plug 44b is connected to the DC jack board 44a.

  Finally, the cap plate 40 of the shade 14 is fixed to the shade mounting rod 38 with the screw 41, and the shade cap 42 is attached to the upper portion of the cap plate 40 to complete the desk lamp.

  In the embodiment, the battery is stored in the pedestal and the USB adapter can be connected. However, the battery may be connected to an AC power source.

  6 to 8 show a table lamp according to a second embodiment of the present invention. In the first embodiment, a light-emitting diode unit is provided on the top of a high column, and the light-emitting diode unit is covered with a shade-shaped shade. However, in the second embodiment, the light-emitting diode is used. The unit is disposed at a low position, and the light-emitting diode unit is a row lamp-type desk lamp covered with a cylindrical shade.

  Hereinafter, the structure of each part of the table lamp according to the second embodiment will be described. In addition, the same code | symbol is attached | subjected to the part corresponding to the structure of 1st Embodiment, and the overlapping description is abbreviate | omitted.

  This desk lamp is provided with a wooden base 11 similar to that in the first embodiment, and a support base 51 having a low height and a handle 52 having a high height are provided on the base 11. The support base 51 and the handle 52 are made of wood and are attached to the base 11 with screws or an adhesive. The support base 51 is attached to the substantially central part of the base 11, and the handle 52 is attached to the rear part of the base 11.

  As shown in FIGS. 8 to 11, the light-emitting diode unit 13 in this embodiment includes a light-emitting diode assembly 20 and a light-emitting diode cover 21 that covers and protects the light-emitting diode assembly 20.

  As shown in FIG. 11, the light-emitting diode assembly 20 has a disk shape with the same outer diameter and has first to third circuit boards 21a, 21b, 21b having through holes 20a, 20b, 20b in the center. Each circuit board 21a, 21b, 21b has a plurality of light emitting diodes 22 arranged radially at equal intervals with the light emitting portion 22a facing outward and the leads 22b facing inward.

  A plurality of small holes 58 are formed in the lowermost first circuit board 21a, and connecting pins 57 having a thin outer diameter and a long length are inserted into these small holes 58 and fixed by an adhesive or the like. . Each connecting pin 57 is attached to the upper surface side of the circuit board 21a so as to extend substantially vertically.

  A plurality of small holes 58 corresponding to the connecting pins 57 are formed in the plate surfaces of the second and third circuit boards 21b and 21c which are the second and third stages. And each small hole 58 of the 2nd circuit board 21b and each small hole 58 of the 3rd circuit board 21c are inserted in order in each connecting pin 57 of the 1st circuit board 21a, and the 1st circuit board 21a The second and third circuit boards 21b and 21c are arranged at a predetermined interval on the upper side, and the second and third circuit boards 21b and 21c are fixed to the connecting pins 57 with an adhesive or the like, whereby the circuit The light emitting diode assembly 20 in which the substrates 21a to 21c are connected in a stacked state by the connecting pins 57 is assembled. The first to third circuit boards 21a, 21b, 21c are arranged with a relatively large spacing. The separation distance is determined by the student's idea.

  Similarly to the case of the first embodiment, the light emitting diodes 22 provided on the first to third circuit boards 21a, 21b, and 21b are shifted by one pitch in the circumferential direction and staggered in a side view. It is arranged so that light is emitted uniformly in the vertical direction and the circumferential direction.

  For example, white light emitting diodes are used, but blue and red light emitting diodes 22 may be used or a combination of these colors may be used depending on the students' preference. Further, the arrangement structure and the number of the light emitting diodes 22 are not limited, and can be arbitrarily changed according to the idea of the students.

  The light emitting diode assembly 20 configured as described above is covered with a light emitting diode cover 21 as shown in FIGS. The light emitting diode cover 21 is formed in a cylindrical shape having a ceiling portion 21a by a translucent synthetic resin material. A rib 60 is integrally formed on the lower surface of the ceiling portion 21a, and a boss 61 as a support portion is integrally formed on the lower surface of the rib 60. A screw hole 62 reaching the rib 60 is formed on the upper surface of the ceiling portion 21a, and a screw hole 63 reaching the rib 60 from the lower surface is formed on the boss 61.

  A bottom plate 64 is fitted into the opening at the lower end of the light emitting diode cover 21. A support rod 65 is integrally formed at the center of the upper surface of the bottom plate 64, and a plurality of mounting pieces 67 having a through hole 66 are formed at the periphery.

  The light emitting diode assembly 20 is inserted into the light emitting diode cover 21 from the opening at the lower end, the uppermost circuit board 21c is abutted against the lower end surface of the boss 61, and the through hole is formed from the lower surface side of the circuit board 21c. A screw 68 is inserted into the screw hole 63 of the boss 61 through 20 c, and the light emitting diode assembly 20 is fixed to the light emitting diode cover 21 by tightening the screw 68. Thereafter, the bottom plate 64 is fitted into the opening at the lower end of the light emitting diode cover 21, whereby the light emitting diode unit 13 is assembled.

  When the circuit board 21c is fixed to the boss 61 with screws 68, a screwdriver is inserted into the through hole 20a of the circuit board 21a and the through hole 20b of the circuit board 21b from the lower side of the circuit board 21a, and the screw 68 is tightened with the screwdriver. The circuit board 21 c is fixed to the boss 61 by turning and screwing into the screw hole 63 of the boss 61.

  The lead wires 69 for energizing the light emitting diodes 22 are drawn out of the light emitting diode unit 13 through the through holes 20a and 20b of the circuit boards 21a and 21b and the through holes 65a formed in the support rod 65.

  A holder 70 is attached on the support base 51. This holder 70 is circular and has a convex portion 71 at the center of the upper surface and a fitting groove 72 at the upper surface of the peripheral portion, and an insertion hole 73 is formed at the central portion of the convex portion 71. The light emitting diode unit 13 is placed on the convex portion 71 of the holder 70, screws 75 are inserted into the through holes 66 of the mounting pieces 67 of the bottom plate 64, and the light emitting diode unit 13 is held in the holder by tightening these screws 75. 70 is fixed.

  On the upper part of the light-emitting diode cover 21, a radiation grid-like cap 76 capable of ventilation is attached. The cap 76 is concentrically fixed to the light emitting diode cover 21 with a screw 77 that is circular and inserted into the screw hole 62 of the light emitting diode cover 21.

  A fitting groove 78 is formed on the lower surface of the peripheral edge of the cap 76. The fitting groove 78 faces the fitting groove 72 of the holder 70. A cylindrical shade 80 is provided between the holder 70 and the cap 76, the lower end edge of the shade 80 is inserted into the fitting groove 72 of the holder 70, and the upper end edge is inside the fitting groove 78 of the cap 76. Thus, the shade 80 is disposed concentrically with the light emitting diode unit 13 and is supported so as to cover the light emitting diode unit 13. The shade 80 is made of, for example, a transparent or translucent synthetic resin material having translucency.

  The lead wire 69 drawn out from the light emitting diode unit 13 is introduced into the electrical component storage section 15 of the base 11 through the insertion path 81 formed in the support base 51 and the through hole 16 formed in the base 11.

  The desk lamp configured as described above is a kit in which at least the pedestal 11 and the circuit boards 21a to 21c in the light emitting diode unit 13, the light emitting diode 22, the components of the connecting pin 57, the shade 80, and the like are individually separated. Distributed to students. And in practical classes, students assemble as a desk lamp using a screwdriver, soldering iron, adhesive, etc.

  The assembly order of the desk lamp can be freely determined according to the student's preference. For example, when the light emitting diode assembly 20 is assembled, the light emitting diodes 22 emit light on the first to third circuit boards 21a, 21b, and 21b. The portions 22a are directed outward, the leads 22b are directed radially inward, and the leads 22b are soldered to the first to third circuit boards 21a, 21b, 21b.

  Next, a plurality of connecting pins 57 are inserted into the small holes 58 of the first circuit board 21a and fixed with an adhesive or the like, and the small holes 58 of the second circuit board 21b and the third holes are connected to the connecting pins 57. The small holes 58 of the circuit board 21c are sequentially inserted and fixed with an adhesive or the like, and the circuit boards 21a, 21b, and 21c are connected to each other in a stacked state via the connection pins 57, thereby completing the light emitting diode assembly 20.

  Next, the light emitting diode assembly 20 is inserted into the light emitting diode cover 21 and fixed to the boss 61 with screws 68. Further, the bottom plate 64 is fitted into the lower end opening of the light emitting diode cover 21 to complete the light emitting diode unit 13.

  Next, a support base 51 is mounted on the pedestal 11, a holder 70 is further mounted on the support base 51, and the light emitting diode unit 13 is placed on the convex portion 71 of the holder 70. The light emitting diode cover 21 in the unit 13 is fixed to the holder 70 with a screw 75.

  Next, the lower end edge of the shade 80 is inserted into the fitting groove 72 of the holder 70, and the light emitting diode unit 13 is covered with the shade 80. Then, the cap 76 is disposed on the upper end portion of the light emitting diode cover 21 and the upper end edge of the shade 80 is inserted into the fitting groove 78, and the cap 76 is fixed to the light emitting diode cover 21 with the screw 77.

  Next, the circuit board 44 on which the electronic component 43 is mounted is housed in the electrical component housing portion 15 provided on the base 11, and the bottom cover 15a is attached to the lower surface of the base 11 to complete the desk lamp.

  Note that the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. Moreover, various inventions can be formed by appropriately combining a plurality of constituent elements disclosed in the embodiment. For example, some components may be deleted from all the components shown in the embodiment. Furthermore, you may combine the component covering different embodiment suitably.

  DESCRIPTION OF SYMBOLS 11 ... Base, 12 ... Support | pillar, 13 ... Light emitting diode unit, 14 ... Shade, 20 ... Light emitting diode assembly, 21 ... Light emitting diode cover, 21a. 21b: first to third circuit boards, 22: light emitting diode, 22a: light emitting section, 22b: lead, 23.24 ... support base, 25.26 ... fixing pin, 27 ... small hole, 28 ... square hole, 29 ... Small hole 34 ... Mounting part 35 ... Mounting rod 36 ... Screw 38 ... Shade mounting rod 51 ... Support base 52 ... Handle 57 ... Connecting pin 58 ... Small hole 60 ... Rib 61 ... Boss , 64 ... bottom plate, 65 ... support rod, 69 ... lead wire, 70 ... holder, 71 ... convex part, 72 ... fitting groove, 76 ... cap, 78 ... fitting groove, 80 ... shade.

Claims (7)

A school stand lamp for school materials comprising a pedestal for storing electrical components, a post attached to the pedestal, a light emitting diode unit attached to the upper end of the post, and a shade covering the light emitting diode unit. And
The light emitting diode unit includes a plurality of circuit boards that are stacked apart from each other in the vertical direction, and a plurality of circuit boards that are arranged radially with the light emitting portions facing the outer periphery, and the leads are electrically connected to the circuit board. And a light-emitting diode cover that includes the circuit board and covers the periphery of the light-emitting diode. The light-emitting diode includes a circuit board and a support portion that supports the circuit board in a stacked state. A desk lamp kit for school materials.   Among the circuit boards, at least the circuit board disposed on the lower stage side includes a support base having a fixing pin projecting from an upper end thereof, and the support board supports the circuit board disposed on the upper stage side, and the fixing pin 2. A school stand desk lamp according to claim 1, wherein the circuit board disposed on the upper side is fixed.   The school lamp according to claim 1, wherein the circuit board has a disk shape, and light emitting portions of the light emitting diodes are arranged at equal intervals along an outer peripheral edge of the circuit board.   The desk lamp for school teaching materials according to claim 1, wherein the light emitting diode cover has a shade attaching portion at an upper end portion thereof, and the shade is fixed to the shade attaching portion.   The school stand desk lamp according to claim 1, wherein the shade covering the diode unit has a shade shape. A school stand desk lamp comprising a pedestal for storing electrical components, a light emitting diode unit mounted on the pedestal, and a shade covering the light emitting diode unit,
The light emitting diode unit includes a plurality of circuit boards that are stacked apart from each other in the vertical direction, connecting pins that connect the circuit boards in a stacked state, and light emitting portions that are radially arranged on the circuit boards. And a plurality of light emitting diodes whose leads are electrically connected to the circuit board, and a support portion for supporting the circuit board in the stacked state, and including the circuit board and covering the periphery of the light emitting diode. A desk lamp for school materials characterized by comprising a light emitting diode cover.   6. The desk lamp for school teaching materials according to claim 5, wherein the shade covering the light emitting diode unit is cylindrical.

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