JP3174017U - Solar light - Google Patents

Abstract

Provided is a solar light in which a solar panel is in a state that is as perpendicular or close to a right angle as possible with respect to sunlight in a sunlight receiving state.
A solar panel, a light emitting unit that emits light by receiving light from the solar panel, a charging unit that performs charging by receiving light from the solar panel, and a control unit that controls the light emitting unit. The solar light body 20 provided and the solar light body 20 mounted in an inclined state so that the solar light body 20 faces upward from a horizontal plane and faces vertically to the incidence of sunlight in the light receiving state of the solar light body 20 The tool 40 is provided.
[Selection] Figure 1

Description

  The present invention relates to a solar light using a solar cell. P

  Conventionally, as a solar light using a solar cell, for example, the compact solar panel A described in Non-Patent Document 1 (see FIG. 14A) or the solar light B described in Non-Patent Document 2 (FIG. 14B). )) Is known.

  However, as shown to Fig.15 (a), the solar panel A of the nonpatent literature 1 (brand name "compact solar panel" product number "BG-BL01G-W") has the attachment position of a solar panel, The solar light B (trade name “Moon Jar”) shown in FIG. 15 (b) has a solar panel mounted on a horizontal plane, and the solar lights are placed in a state of being placed. The sunlight intensity on the light receiving surface of sunlight is not sufficient as compared with the state where the light receiving surface is arranged at right angles to the sunlight, and the power generation (charging) efficiency is inferior.

Panasonic-Product Information [Personal] Top>-Light / Flashlight-Lantern-Compact Solar Light-BG-BL01G-W (URL http://ctlg.panasonic.jp/product/info.do?pg=04&hb=BG- BL01G-W) Sanger Moonjar (URL http://ietm.rakuten.co.jp/cocoa/c/0000000776/

  The present invention has been made in view of such circumstances, and it is an object of the present invention to provide a solar light in which a solar panel is in a state of being as perpendicular or close to a right angle as possible with respect to sunlight in a light receiving state. And

  Another object of the present invention is to provide a solar light that automatically lights up in a mounted state.

  Furthermore, another object of the present invention is to provide a solar light that can emit light efficiently when the solar light is turned on.

  The solar light according to claim 1 is a solar panel, a light emitting unit that emits light by receiving light from the solar panel, a charging unit that performs charging by receiving light from the solar panel, and a control of the light emitting unit. A solar light body including a control unit that performs the above-described operation, and in the light receiving state of the solar light body, the solar light body is directed upward from a horizontal plane, and the solar light body is tilted so as to be perpendicular to the incidence of sunlight. And a holding tool for holding.

  In the solar light according to claim 1, in the sunlight receiving state, the solar panel can be positioned so as to face the direction substantially perpendicular to the solar radiation direction. It is in a state where it is as perpendicular to or as close to a right angle as possible with respect to the light, and has better sunshine intensity and better charging efficiency than the conventional example.

  The solar light according to claim 2 is the solar light according to claim 1, wherein the solar light main body and the fixture are configured as separate bodies.

  In the solar light according to claim 2, in addition to the solar light according to claim 1, the solar light main body can be detached from the fixture. It can be carried as an instrument and can be used in various places.

  The solar light according to claim 3 is the solar light according to claim 1 or 2, wherein the inclination angle is 75 degrees to 35 degrees.

  In the solar light according to claim 3, in the sunlight receiving state, the solar panel can be positioned so as to face in a direction substantially perpendicular to the solar radiation direction. It is in a state where it is as perpendicular to or as close to a right angle as possible with respect to the light, and has better sunlight intensity and better charging efficiency than the conventional example.

  The solar light according to claim 4 is the solar light according to claim 3, wherein the inclination angle is 55 degrees.

  In the solar light according to claim 4, in the sunlight receiving state, the solar panel can be positioned so as to face in a direction substantially perpendicular to the solar radiation direction. It is in a state where it is as perpendicular to or as close to a right angle as possible with respect to the light, and has better sunlight intensity and better charging efficiency than the conventional example.

  The solar light according to claim 5 is the solar light according to any one of claims 1 to 4, wherein the control unit detects a voltage from the solar panel and turns on the light emitting unit. And a lighting circuit that controls turning off, and detects the voltage from the solar panel, and when the detected voltage is lower than a predetermined voltage, the lighting circuit is turned on and the light emitting unit is turned on. It is characterized by performing.

  In the solar light according to claim 5, in addition to the solar light according to any one of claims 1 to 4, when mounted and used, the voltage of the solar panel is reduced, The light emitting unit can be automatically turned on.

  The solar light according to claim 6 is the solar light according to any one of claims 1 to 5, wherein the solar light main body includes a substantially conical illumination cover that covers the light emitting portion.

  In the solar light according to claim 6, in addition to the solar light according to any one of claims 1 to 5, the light emission from the light emitting part is diffused to the surroundings to maintain the uniformity of the light emission. In addition, the luminance can be improved.

  The solar light according to claim 7 is the solar light according to claim 6, wherein an inner surface of the illumination cover is provided with a number of tear-like protrusions on substantially one surface.

  In the solar light according to claim 7, in addition to the solar light according to claim 6, the light emitted from the light emitting unit is diffused to the surroundings to maintain the uniformity of the light emission, and the luminance. The improvement can be achieved, and the protrusion is made tear-like, so that it is possible to smoothly remove the mold from the mold during molding.

  The solar light according to claim 8 is the solar light according to claim 6 or 7, characterized in that the top portion of the illumination cover includes a substantially cone-shaped protrusion projecting inward. To do.

  In the solar light according to claim 8, in addition to the solar light according to claim 6 or 7, the light emitted from the light emitting part is further diffused to the surroundings to maintain the uniformity of light emission. Also, the luminance can be improved.

  According to the solar light of claim 1, a solar panel, a light emitting unit that emits light by receiving light from the solar panel, a charging unit that performs charging by receiving light from the solar panel, and the light emitting unit A solar light body including a control unit for controlling the solar light body, and in the light receiving state of the solar light body, the solar light body is directed upward from a horizontal plane so that the solar light body faces perpendicularly to the incidence of sunlight. The solar panel is positioned so that the solar panel faces in a direction substantially perpendicular to the solar radiation direction in the sunlight receiving state. The solar cell is at a right angle or as close to a right angle as possible with respect to sunlight, and has better sunshine intensity and better charging efficiency than the conventional example.

  According to the solar light of claim 2, in the solar light of claim 1, the solar light main body and the fixture are configured as separate bodies. In addition, since the solar light main body can be removed from the fixture, the solar light main body alone can be carried as a simple lighting fixture, and can be mounted and used in various places.

  According to the solar light of claim 3, in the solar light of claim 1 or 2, the inclination angle is formed at 75 degrees to 35 degrees. It is possible to position the panel so that it faces the direction substantially perpendicular to the solar radiation direction, and the solar panel is as perpendicular or close to the right angle as possible with respect to sunlight. Excellent sunshine intensity and good charging efficiency.

  According to the solar light according to claim 4, in the solar light according to claim 3, since the tilt angle is formed at 55 degrees, in the sunlight receiving state, the solar panel is directed in the solar radiation direction. The solar panel can be positioned so as to be almost perpendicular to the sunlight, or as close to a right angle as possible with respect to sunlight. It becomes efficient.

  According to the solar light according to claim 5, in the solar light according to any one of claims 1 to 4, the control unit detects a voltage from the solar panel, and the light emitting unit. A lighting circuit that controls lighting and extinguishing of the light, and detects the voltage from the solar panel, and when the detected voltage is lower than a predetermined voltage, the lighting circuit is turned on to turn on the light emitting unit Since it is configured to perform control, in addition to the solar light according to any one of claims 1 to 4, in the case of being mounted and used, the voltage of the solar panel is reduced to reduce the light emission. The part can be turned on automatically.

  According to the solar light according to claim 6, in the solar light according to any one of claims 1 to 5, the solar light main body includes a substantially cone-shaped illumination cover that covers the light emitting portion. In addition to the solar light according to any one of claims 1 to 4, the light emitted from the light emitting portion is diffused to the surroundings to maintain the uniformity of light emission and to improve the luminance.

  According to the solar light of claim 7, in the solar light of claim 6, the inner surface of the illumination cover is provided with a large number of tear-like projections on substantially one surface, so that the solar light of claim 6 In addition to the solar light, the light emitted from the light emitting part can be diffused to the surroundings to maintain the uniformity of light emission and improve the brightness. The drawing work from the mold can be performed smoothly.

  According to the solar light of Claim 8, in the solar light of Claim 6 or 7, the top part of the said illumination cover is provided with the substantially cone-shaped projection part protruding toward the inside. Therefore, in addition to the solar light according to claim 6 or 7, the light emitted from the light emitting part can be diffused to the surroundings to maintain the uniformity of light emission and to improve the luminance.

It is the side surface of the solar light which concerns on this invention. It is a perspective view of a solar light body according to the present invention. It is a perspective view which shows the mounting state of the solar light main body which concerns on this invention. It is a perspective view which shows the main components components storage part of the solar light main body which concerns on this invention. It is a block diagram which shows an example of the electrical constitution of the solar light which concerns on this invention. It is a flowchart which shows an example of the process sequence of the control part of the solar light which concerns on this invention. It is a perspective view of the illumination cover of the solar light which concerns on this invention. It is a longitudinal cross-sectional view of the illumination cover of the solar light which concerns on this invention. It is a horizontal-vertical cross-sectional perspective view of the illumination cover of the solar light which concerns on this invention. It is a perspective view of the fixture of the solar light which concerns on this invention. It is a perspective view from the outdoor side of the bay window which shows the attachment state of the solar light which concerns on this invention. It is a perspective view from the room inner side of the bay window which shows the mounting state of the solar light which concerns on this invention. It is a schematic explanatory drawing of the light reception condition of the sunlight in the attachment state of the solar light which concerns on this invention. It is a figure which shows a prior art example, (a) is an upright type solar light, (b) is a vertically mounted solar light. It is the schematic which shows the sunshine intensity | strength of a prior art example, (a) is the schematic of an upright type solar light, (b) is the schematic of a vertically mounted solar light. It is the schematic which shows the solar radiation angle at the north latitude of 35 degrees north latitude, (a) is the summer solstice, (b) is the spring equinox, and (c) is the schematic at the winter solstice.

  Hereinafter, embodiments for carrying out the present invention will be specifically described with reference to the drawings.

  FIG. 1 is a perspective view of a solar light according to the present invention. In FIG. 1, 10 is a solar light, and the solar light 10 is composed of a solar light main body 20 and a mounting holder 40 for detachably mounting the solar light main body.

  FIG. 2 is a perspective view of the solar light main body 20, FIG. 3 is a perspective view showing a mounting state of the solar light main body 20, and FIG. 4 is a perspective view showing a main component parts storage portion of the solar light main body.

  As shown in FIGS. 2 and 3, the solar light main body 20 has a substantially cylindrical shape molded from a synthetic resin, and stores a main component of the solar light main body 20 inside the component storage portion 21 and the parts. It is comprised from the illumination cover 31 which consists of a semi-transparent synthetic resin substantially cone shape shape | molded so that fitting to the accommodating part 21 was possible.

  Then, on one surface of the component storage portion 21, the one surface is used as the light receiving surface 24, and the solar panel 23 is attached so as to face the light receiving surface 24. Further, as shown in FIG. 4, an LED bulb 25 is attached to the central portion of the other surface of the component storage portion, and a slide switch 26 for turning on and off a control board 28 described later is faced. In addition, there are provided three engaging protrusions 29 for fitting the illumination cover 31 around the periphery. The solar panel 23 can generate power not only by sunlight but also by receiving artificial light such as an indoor electric light.

  As shown in FIG. 3, the solar light main body 20 can be used by being detached from the mounting holder 40, and in this case, the light receiving surface 24 can be used as a mounting surface 22 and placed on a plane. .

  FIG. 5 is a block diagram illustrating an example of an electrical configuration of the solar light 10, and FIG. 6 is a flowchart illustrating an example of a processing procedure of a control unit of the solar light 10.

  As shown in FIG. 5, a control board (control part) 28 connected to the LED ball 25 and the slide switch 26 is housed in the component storage part 21, and the control board (control part) 28 contains the control board (control part) 28. Further, a rechargeable battery (charging unit) 27 is connected. And in the said control board (control part) 28, the voltage detection part 28a which detects the voltage from the solar panel 23, the lighting circuit 28b which turns on / off the said LED bulb 25, and the said rechargeable battery (charging part) 27 is provided with a charging circuit 28c for turning on and off the connection to the terminal 27.

  And the said control part (control board | substrate) 28 detects the voltage of the said solar panel 23, and is performing the lighting / extinguishing process of the said LED bulb 25 by the change of this voltage. An example of this processing procedure will be described based on the flowchart of FIG.

  First, the voltage from the solar panel 23 is detected by the voltage detector 28a every predetermined time (for example, once / one second) (ST1). Next, it is determined whether or not the detected voltage is equal to or higher than a predetermined voltage (for example, 0.5 V) (ST2). If the voltage is equal to or higher than a specified value, the charging circuit 28c is turned on (ST3). Then, processing is performed for a predetermined time, and the process loops to ST1. On the other hand, if the detected voltage is lower than a predetermined voltage (for example, 0.5 V), the lighting circuit 28b is turned on (ST5), the LED bulb 25 is turned on, a predetermined time process is performed, and a loop is performed to ST1. To do.

  Therefore, when performing the control, as will be described later, the solar light body 20 is removed from the mounting holder 40 and placed on a horizontal plane when placed and used. Thus, the LED bulb 25 can be automatically turned on.

  7 is a perspective view of the lighting cover 31 of the solar light 10, FIG. 8 is a longitudinal sectional view of the lighting cover 31 of the solar light 10, and FIG. 9 is a view of the lighting cover 31 of the solar light 10. It is a horizontal longitudinal cross-sectional perspective view.

As shown in FIGS. 7 to 9, the illumination cover 31 is formed by an annular annular held portion 31a and a conical portion 31b continuous from the edge thereof, and the surface of the annular supported portion 31a is A frosted glass-like texture is applied so that the LED bulb 25 cannot be seen directly.
On the inner surface of the conical portion 31b, a plurality of tear-like projections 32 that are projected and formed in a teardrop shape are arranged in a line along the circumference, and there are about 9 rows in the vertical direction. Further, a quadrangular pyramid-shaped conical projection 34 is projected inwardly at the top of the conical portion 31b. The front end portion of the illumination cover 31 is covered with a decorative cap 33 that covers the front end portion, and a fitting protrusion 35 that enters the engagement protrusion 29 is provided on the periphery of the base end portion. It is molded according to the position of the protrusion 29.

  Since the illumination cover 31 has the above-described configuration, the tear-like protrusion 32 and the cone-shaped protrusion 34 diffuse light emitted from the LED bulb 25 to the surroundings and maintain the uniformity of light emission. Also, the luminance can be improved.

  In addition, the tear-like protrusions 32 that are projected and formed on the entire inner surface of the illumination cover 31 have a teardrop shape in addition to excellent diffusibility, and therefore, the molding is impaired when the mold is removed during molding. Die-cutting can be performed smoothly.

  The lighting cover 31 is covered with a decorative cap 33 covering the distal end, and a fitting protrusion 35 that enters the engaging protrusion 29 is provided on the periphery of the proximal end. It is molded according to the position of the protrusion 29.

  FIG. 10 is a perspective view of the mounting holder 40 of the solar light 10. The mounting holder 40 includes a circular mounting base 41b having a suction cup 41a that is fixed to a window glass or the like, a fixing arm 42 that is inclined upward at an angle of about 55 degrees from the mounting base 41b (from a horizontal plane), and the fixing arm. 42, a semi-annular holding arm 43 that sandwiches the solar light main body 20 continuously, and is formed so as to open outward at both ends of the holding arm 43 to facilitate the insertion of the solar light main body 20 And an insertion guide portion 44.

  11 is a perspective view from the outdoor side of the bay window BW showing the mounting state of the solar light 10, and FIG. 12 is a perspective view from the indoor side of the bay window BW showing the mounting state of the solar light 10. 13 is a schematic explanatory view of the state of receiving sunlight with the solar light attached.

  When the solar light 10 having the above configuration is used, the solar light 10 is normally used with the suction cup 41a attached to the indoor side of the window glass (bay window) BW as shown in FIG. At this time, since the fixed arm 42 and the holding arm 43 are inclined upward at an angle of about 55 degrees from the horizontal plane (see FIG. 15B), the solar light body held by the holding arm 43 20, the light receiving surface 24 can be positioned so as to face the direction substantially perpendicular to the solar radiation direction, and it has excellent sunshine intensity and good charging efficiency as compared with the conventional example.

  And in the attachment state shown in FIG. 11, since the said light-receiving surface 24 is located in the substantially right angle direction with respect to the solar radiation direction, as shown in detail in FIG. 13, when sunlight has entered into The solar panel 23 generates electric power, and when the detection voltage from the solar panel 23 is equal to or higher than a predetermined voltage (for example, 0, 5 V) in the control unit 28, the lighting circuit is turned off and the charging unit 27 is stored. And the sunlight etc. which enter the said solar panel 23 from the said light-receiving surface 24 decrease, and the detection voltage from the said solar panel 23 in the said control part 28 becomes below a predetermined voltage (for example, 0, 5V). When the lighting circuit is turned on, the LED bulb 25 is turned on.

  Further, since the solar light main body 20 can be detached from the mounting holder 40, the solar light main body 20 alone can be carried as a simple lighting fixture, and can be mounted and used in various places. it can. For example, as shown in FIG. 12, it can be mounted on the protruding space of the bay window BW, or can be mounted on an entrance, a corridor or the like and used as a marker lamp.

  When the solar light main body 20 is used by being detached from the mounting holder 40, the light receiving surface 24 is placed on a plane as the mounting surface 22, so that the light receiving surface 24 is placed on the solar panel 23. The incident sunlight is substantially zero, and the detection voltage from the solar panel 23 in the control unit 28 is a predetermined voltage (for example, 0, 5 V) or less, so that the lighting circuit is turned on, and the LED The light bulb 25 is turned on. Therefore, when the solar light main body 20 is placed, the LED bulb 25 is automatically turned on. On the other hand, if it is desired to turn off the LED bulb 25 in this mounted state, the LED bulb 25 can be forcibly forced by removing the illumination cover 31 from the solar light body 20 and turning off the slide switch 26. Can be turned off.

  In addition, although the said solar light 10 comprised the said solar light main body 20 and the said attachment holder 40 as another body, you may comprise integrally.

  FIG. 16 is a schematic diagram showing the solar radiation angle at 35 degrees north latitude, and (a) is a summer solstice, (b) is a spring equinox, (c) is a winter solstice, (a) The solar radiation angle G at the summer solstice is about 75 degrees from the horizontal plane, the solar radiation angle at the spring equinox of (b) is about 55 degrees, and the solar radiation angle at the winter solstice of (c) is about 35.

  The fixed arm 42 and the holding arm 43 are formed to be inclined upward at an angle of about 55 degrees from the horizontal plane, and preferably formed at an angle of 55 degrees from the horizontal plane. With reference to a) and (c), it may be formed in the range of 75 to 35 degrees.

10 Solar Light

20 Solar light body 21 Parts storage part 22 Mounting surface (charging surface)
23 Solar panel 24 Light-receiving surface 25 LED bulb 26 Slide switch 27 Charging part (rechargeable battery)
28 Control unit (control board)
29 Engagement protrusion

31 Illumination cover 31a annular held portion 31b conical cover 32 teardrop-shaped (convex) light-diffusing portion 33 makeup cap 34 top (conical) light-diffusing portion 35 fitting convex portion

40 Mounting holder 41a Suction cup 41b Mounting base 42 Fixed arm 43 Semi-annular holding arm 44 Insertion guide 44

BW bay window

Claims (8)

A solar light body comprising a solar panel, a light emitting unit that emits light by receiving light from the solar panel, a charging unit that performs charging by receiving light from the solar panel, and a control unit that controls the light emitting unit When,
A fixture for tilting and holding the solar light body so that the solar light body faces upward from a horizontal surface and faces perpendicularly to the incidence of sunlight in the light receiving state of the solar light body. And solar light.
The solar light according to claim 1, wherein the solar light main body and the fixture are configured separately.
The solar light according to claim 1 or 2, wherein the inclination angle is 75 degrees to 35 degrees.
The solar light according to claim 3, wherein the inclination angle is 55 degrees.
While making the solar panel face the mounting surface,
The control unit includes a voltage detection unit that detects a voltage from the solar panel, and a lighting circuit that controls lighting and extinguishing of the light emitting unit,
The voltage from the solar panel is detected, and when the detected voltage is lower than a predetermined voltage, the lighting circuit is turned on to perform control to turn on the light emitting unit. Solar light according to any one of the above.
5. The solar light according to claim 1, wherein the solar light main body includes a substantially conical illumination cover that covers the light-emitting portion.
The solar light according to claim 6, wherein the inner surface of the lighting cover includes a plurality of tear-like projections on substantially one surface.
  8. The solar light according to claim 6, wherein the top portion of the lighting cover includes a substantially cone-shaped protrusion projecting inward.

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