CN211617218U

CN211617218U - Night writing base plate

Info

Publication number: CN211617218U
Application number: CN202020192999.5U
Authority: CN
Inventors: 叶龙钦
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-21
Filing date: 2020-02-21
Publication date: 2020-10-02
Anticipated expiration: 2030-02-21

Abstract

The utility model provides a night writing base plate, which belongs to the technical field of writing auxiliary tools. The utility model provides an night writing backing plate, includes the backing plate body, the backing plate body is rectangle, and the front of two minor lateral sides and a long lateral side all sets up the bar recess, set up the LED lamp in the bar recess, the casing edge of LED lamp with the bar recess pivot is connected, thin-film solar cell is laid at the back of backing plate body, the inside of backing plate body sets up lithium cell and controller, thin-film solar cell is connected with controller and lithium cell in proper order, set up the switch on the backing plate body, LED lamp, lithium cell and switch are wire connection in proper order. A writing underlay is convenient to use at night and reduces the influence degree of light on others.

Description

Night writing base plate

Technical Field

The utility model belongs to the technical field of write appurtenance, concretely relates to night writing backing plate.

Background

The writing pad is usually used for being padded at the lower part of a book or loose leaves, so that the phenomenon that the paper is damaged by over-force during writing can be prevented; the examination paper can also prevent the uneven desktop and the damage of the examination paper when the examination paper is used for writing forcefully. On a flat backing plate, the writing speed can be improved. When the writing base plate is used at night, the writing base plate needs to be matched with a desk lamp or other light sources for assisting to write, and the desk lamp or other independent light sources often scatter more light to the periphery, so that the influence on other people is large, especially under the condition that the writing base plate stays in a room with other people, such as a dormitory or a house outside, and the like.

The patent document with publication number CN204278853U provides a multifunctional writing pad plate, which comprises an LED luminous pad plate, a movable paper clip and a layered file bag, wherein the LED luminous pad plate is rectangular, one side of a long edge is provided with a length scale, and the LED luminous pad plate is provided with a diffusion sheet; the movable paper clip is arranged above the LED luminous base plate and close to one side of the short side of the rectangle, and a battery clamping groove is formed in the top end of the movable paper clip and the movable paper clip in parallel; the layered file bag is arranged on the back surface of the LED luminous base plate, and a file bag cover is arranged on the layered file bag; the file bag buckle cover is provided with a pen clip. The utility model discloses a with the backing plate body design for the luminous backing plate of LED, but the light source does not play effectual illumination effect basically to the page back when using night.

The patent document of publication No. CN203902056U provides a writing pad structure for students, which comprises a surface wall layer and a bottom wall layer, and is connected into a whole by a flexible soft plastic; a gap layer is arranged in the middle of the surface wall layer, an upper transparent plastic plate is arranged above the gap layer, and a lower transparent plastic plate is arranged below the gap layer; the upper transparent plastic plate and the lower transparent plastic plate are printed with Chinese character mi grids for calligraphy practice, the surface wall layer of the base plate is provided with 2 fixing heads, and the 2 fixing heads are respectively provided with a movable paper clamper; the surface wall layer is provided with an open strip-shaped box, a button battery and an LED lamp are arranged in the box, a button switch is arranged outside the box, and the irradiation direction of the LED lamp is parallel to the surface wall layer; the bottom wall layer is provided with a high clamping groove, a middle clamping groove and a low clamping groove, and the surface wall layer is inserted into different clamping grooves to generate different gradients. The utility model has a complex structure, wherein the LED lamp is arranged in the strip-shaped box, and the strip-shaped box protrudes out of the surface wall layer, and a plurality of writing pads are arranged together without being attached, thereby occupying space; and the LED lamp is arranged on one side of the short edge of the surface wall layer, so that the brightness is limited, and if the LED lamp is arranged on multiple sides, the writing effect is influenced because the strip-shaped box protrudes out of the surface wall layer.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a writing pad which is convenient for use at night.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides an night writing backing plate, includes the backing plate body, the backing plate body is rectangle, and the front of two minor lateral sides and a long lateral side all sets up the bar recess, set up the LED lamp in the bar recess, the casing edge of LED lamp with the bar recess pivot is connected, thin-film solar cell is laid at the back of backing plate body, the inside of backing plate body sets up lithium cell and controller, thin-film solar cell is connected with controller and lithium cell in proper order, set up the switch on the backing plate body, LED lamp, lithium cell and switch are wire connection in proper order.

Preferably, one side of the strip-shaped groove close to the edge is provided with a rotating shaft base, and the edge of the shell of the LED lamp is rotatably connected with the rotating shaft base through a connecting piece.

Preferably, the rotating shaft base is cylindrical, one end of the connecting piece is sleeved outside the rotating shaft base, and the other end of the connecting piece is fixedly connected with the edge of the shell of the LED lamp.

Preferably, a light emitting surface of the LED lamp faces the pad body.

Preferably, a magnetic paper clip is arranged on the base plate body.

Preferably, the length, width and depth of the strip-shaped groove are matched with the shape of the LED lamp.

Preferably, the upper part of the shell of the LED lamp is provided with a raised rib.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model provides a writing pad convenient for night use through the technical scheme, the writing pad is rectangular, the front sides of two short sides and one long side are respectively provided with a strip-shaped groove, an LED lamp is rotationally arranged in the strip-shaped groove, and a long side is reserved as a use side, which is different from the vertical use method of the conventional writing pad; meanwhile, the arrangement enables the light emitting surface of the LED lamp to face the base plate body through manual rotation when the LED lamp is used, so that light scattered by the LED lamp to the periphery of the base plate body is greatly reduced; and except using the side all the other three sides all set up the LED lamp, when the LED lamp normally lights simultaneously, light more easily focuses on the backing plate body, has also reduced the effluvium of light to week side when guaranteeing night use luminance, has reduced the influence degree of night light to other people.

The utility model discloses at night thin-film solar cell is laid at the back of writing backing plate, and the inside of backing plate body sets up lithium cell and controller, and thin-film solar cell is connected with controller and lithium cell in proper order, sets up the switch on the backing plate body, and LED lamp, lithium cell and switch wire connection in proper order, wherein, the switch is used for controlling the switching of LED lamp, and three LED lamp series connection or parallel connection that the front of two short avris and a long avris set up are all can. The writing base plate is placed in places such as balconies and the like capable of receiving sunlight when not used in the daytime to store energy and convert, and the back faces upwards when the writing base plate is placed, so that the writing base plate can be used at night.

The utility model discloses convenient use night, simultaneously not being restricted to this, it is very obvious also can use daytime, especially not in the weather of sunshine, so this writing backing plate's use does not receive external environment's influence. The utility model discloses novel structure, the practicality is strong, has especially made things convenient for night to use under dormitory, bedroom or other environment of piecing together that the people are many.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

FIG. 1: the utility model relates to a front structure schematic diagram of a night writing pad plate;

FIG. 2: the utility model relates to a back structure schematic diagram of a night writing pad plate;

FIG. 3: the utility model is a partial enlarged view of the part A in the figure 1;

FIG. 4: the utility model is a schematic structural diagram of a rotating shaft base and a connecting piece in figure 1;

FIG. 5: the utility model relates to a schematic diagram of a writing pad used at night;

FIG. 6: the structure of embodiment 2 of the utility model is schematically shown;

the LED lamp base plate comprises a base plate body 1, a strip-shaped groove 2, an LED lamp 3, a thin-film solar cell 4, a lithium battery 5, a switch 6, an auxiliary groove 7, a rotating shaft base 8, a connecting piece 9, a magnetic paper clamp 10 and ribs 11.

Detailed Description

For a better understanding of the present invention, the contents of the present invention will be further clarified below by referring to examples, but the present invention is not limited to the following examples. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details.

Example 1

Referring to fig. 1~ 5, an night writing backing plate, including backing plate body 1, backing plate body 1 is rectangle, and the front of two minor lateral sides and a long lateral side all sets up bar groove 2, set up the LED lamp in the bar groove 2, the casing edge of LED lamp is connected with bar groove 2 pivot, thin-film solar cell 4 is laid at the back of backing plate body 1, the inside of backing plate body 1 sets up lithium cell 5 and controller, thin-film solar cell 4 is connected with controller and lithium cell 5 in proper order, set up switch 6 on the backing plate body 1, the LED lamp, lithium cell 5 and switch 6 are wire connected in proper order.

The technology of the thin-film solar cell 4 is quite mature at present, the thickness of a thin film capable of generating voltage is only several micrometers, the thickness is small, and the actual using effect of the writing pad plate cannot be influenced when the thin-film solar cell is laid on the back of the writing pad plate. Common thin film solar cells 4 are amorphous silicon, CuInSe2(CIS), CuInGaSe2(CIGS), CdTe, and the like. The thin-film solar cell 4, the controller and the lithium battery 5 form a solar power generation system, so that solar energy is absorbed and converted into electric energy, the lithium battery 5 is charged, and the electric energy is used by the LED lamp. The controller is a charge-discharge controller; the lithium battery can be a button type lithium battery; the thin-film solar cell 4 is commercially available as: the flexible solar cell of the brand WARMSPACE has the specification of 0.5W/2V/250mA, the thickness of 0.5mm, light weight, flexibility, crimpability, stable power output, good weak light property, the conversion rate of 10 percent, can be made on clothes and any carrier needing bending, and has large power, small size and sufficient current.

The utility model discloses in, one side that bar groove 2 is close to the edge sets up pivot base 8, and the casing edge of LED lamp passes through connecting piece 9 and is connected with the rotation of pivot base 8. The rotating shaft base 8 is arranged in the base plate body 1, an auxiliary groove 7 is arranged on one side, close to the edge, of the strip-shaped groove 2, and the rotating shaft base 8 is arranged in the auxiliary groove; the upper surface of the connecting piece 9 is flush with the surface of the underlay sheet body 1 in the initial state, i.e. in the state in which the LED lamp is folded.

As a preferred embodiment of the present invention, the rotating shaft base 8 is cylindrical, one end of the connecting member 9 is sleeved outside the rotating shaft base 8, and the other end is fixedly connected to the edge of the housing of the LED lamp; the connecting piece 9 can rotate 90 degrees around the rotating shaft base.

The utility model discloses in, the light emitting area of LED lamp is towards backing plate body 1. Obviously, when the LED lamp is in a folded state, the light emitting surface of the LED lamp faces to the inside of the strip-shaped groove 2, and when the LED lamp is used, the LED lamp is perpendicular to the base plate body 1 through manual rotation, and the light emitting surface faces to the base plate body 1 at the moment.

The utility model discloses in, the length, the width and the degree of depth of bar groove 2 and the appearance looks adaptation of LED lamp to place the LED lamp in bar groove 2 completely.

The writing base plate of the utility model is mainly convenient for night use, so as to reduce the influence degree of light scattering caused by using a desk lamp and the like on other people; the back of the writing base plate is upwards placed in an open place in the daytime to receive sunlight, and the writing base plate is charged and then used at night; if the sunshine is poor in the daytime, such as rainy days and the like, the writing underlay can still be used as a common writing underlay.

Example 2

Referring to fig. 6, the difference from embodiment 1 is:

the base plate body 1 is provided with a magnetic paper clip 10 to facilitate fixation of loose leaves.

The casing upper portion of LED lamp sets up bellied rib 11, and bellied rib 11 increases frictional force to do benefit to the manual work and rotate the LED lamp out, what explain at last, above embodiment only is used for explaining the utility model discloses a technical scheme and not the restriction, ordinary skilled person in the art is right the utility model discloses a technical scheme does other modifications or equivalent replacement, as long as do not deviate from the utility model discloses technical scheme's spirit and scope all should be covered in the middle of the claim scope of the utility model.

Claims

1. The utility model provides an night writing underlay, includes the underlay body, its characterized in that: the backing plate body is rectangle, and the front of two minor lateral sides and a long lateral side all sets up the bar recess, set up the LED lamp in the bar recess, the casing edge of LED lamp with the bar recess pivot is connected, thin-film solar cell is laid at the back of backing plate body, the inside of backing plate body sets up lithium cell and controller, thin-film solar cell is connected with controller and lithium cell in proper order, set up the switch on the backing plate body, LED lamp, lithium cell and switch are wire connection in proper order.

2. A night writing pad as claimed in claim 1, wherein: one side that the bar recess is close to the edge sets up the pivot base, the casing edge of LED lamp pass through the connecting piece with the pivot base rotates to be connected.

3. A night writing pad as claimed in claim 2, wherein: the rotating shaft base is cylindrical, one end of the connecting piece is sleeved outside the rotating shaft base, and the other end of the connecting piece is fixedly connected with the edge of the shell of the LED lamp.

4. A night writing pad as claimed in claim 3, wherein: the luminous surface of the LED lamp faces the base plate body.

5. A night writing pad as claimed in any one of claims 1 to 3, wherein: the base plate body is provided with a magnetic paper clip.

6. An overnight writing pad as defined in claim 5, wherein: the length, the width and the depth of the strip-shaped groove are matched with the appearance of the LED lamp.

7. A night writing pad as claimed in claim 6, wherein: and the upper part of the shell of the LED lamp is provided with raised ribs.