TWM549304U - Desk lamp with dual-lamp-plate lighting - Google Patents

Description

Double light board lighting table lamp

The present invention relates to the field of LED lighting, and more specifically to a dual-lamp lighting table lamp for reading and writing operations.

Most LED lighting table lamps of the prior art can only be used for general illumination or auxiliary illumination, but not for reading and writing operation illumination, that is, photometric performance such as illumination, uniformity and shading cannot meet the Chinese national standard "reading and writing work table lamp performance" Requirements of the requirements (GB/T 9473-2008).

Some LED desk lamps can meet the requirements of reading and writing operation illumination, but the illumination range is small, or the utilization rate of the irradiation area is not high, and the illumination uniformity is not good, resulting in waste of the light source. In addition, in order to improve the utilization ratio of the illumination range, the LED table lamp is designed to be a reversible form of the lamp body, and the illumination angle of the lamp body can be adjusted by flipping so that the illumination area can be changed as the position of the read/write operation changes, but by flipping Adjusting the illumination range by the lamp body will enable the user to see the light source or the inner wall of the reflector in the normal working position, so that the shading performance cannot meet the national standard and has certain damage to the human eye.

In view of the above-mentioned shortcomings of the reading and writing work table lamp of the prior art, the present invention provides a double-lamp lighting table lamp, which solves the problems of illumination, uniformity and poor shading of the existing reading and writing work lighting table lamp, and can satisfy the country. The standard "Reading and Operating Table Lamp Performance Requirements" (GB/T 9473-2008) related requirements, and the light source is fully utilized and easy to use.

The solution adopted by this creation to solve its technical problems is:

Providing a double-lamp illumination table lamp, comprising a lamp holder, a support arm and a lamp body, wherein the lamp body comprises an optical diffuser, an LED lamp plate, a lamp body heat dissipation aluminum and a lamp body cover shell which are nested and connected from bottom to top; There are two plates in the light board, and two LED boards are placed in an inverted V shape. The two light panels placed in the inverted V shape make the light shielding of the desk lamp conform to the national standard, and the respective powers of the two LED light panels can be adjusted by the switch, so that the luminous intensity of the two LED light panels is different, and the two-way light distribution is realized, that is, The irradiation area can be moved in two directions according to the actual use, so that the light is just irradiated at the position of the reading and writing operation, and the light source is fully utilized, thereby avoiding waste of the light source.

Preferably, the sum of the powers of the two LED light panels is fixed.

Preferably, the LED light panel is rectangular, and a row of uniformly arranged light beads is arranged in the middle of the LED light board.

Preferably, the lamp holder is provided with a knob for adjusting the power of the two LED light panels, and the power of the two LED light panels can be adjusted by turning the knob clockwise or counterclockwise. The sum of the powers of the two light panels is constant, and the power distribution changes with the rotation of the knob. When the knob is in the initial position, the power of the two light panels is the same, and the luminous intensity is the same; when the knob is turned, two The power of the light board is correspondingly increased or decreased.

Further, the two LED light panels are placed in an inverted V shape to form an angle ranging from 110 ∘ to 130 ∘. The LED panel in this range of angles achieves the best level of illumination and shading.

Preferably, the two LED light panels are placed in an inverted V shape to form an angle of 120 ∘.

Further, the longitudinal section of the optical diffuser is inverted V-shaped, and the light-emitting surface of the optical diffuser is parallel to the lamp plate. The shape of the optical diffuser is matched with the shape of the two LED light plates, and the light emitting surface is parallel with the light plate, thereby improving the uniformity of the light output.

Further, the longitudinal section of the heat dissipation aluminum of the lamp body is an inverted V shape, and two grooves are respectively disposed on two sides of the heat dissipation aluminum inside the lamp body. The angle of the heat-dissipating aluminum of the lamp body is in the range of 110 ∘ to 145 ,, preferably 120 ∘, and the two grooves on the inner side are designed to accommodate the optical diffuser and the LED light board. The optical diffuser and the LED light board are disposed from two bottoms on two sides of the inner side of the heat dissipation aluminum of the lamp body.

Further, the double-lamp illumination table lamp further includes a heat-dissipating aluminum connecting member and a lamp body rear shell, wherein the heat-dissipating aluminum connecting member and the lamp body rear shell are respectively disposed at two ends of the lamp body, wherein the lamp body rear shell and Support arm connection.

Further, the lamp body rear shell and one end of the support arm are connected by a first rotation positioning mechanism, so that the lamp body can be pitched and rotated; the other end of the support arm and the lamp socket are connected by a second rotation positioning mechanism, so that the support arm Can swing left and right.

The beneficial effect of the creation is that the two LED panels placed in the inverted V shape make the light shielding of the desk lamp conform to the national standard, and the respective powers of the two LED panels can be adjusted by the switch, thereby making the luminous intensity of the two LED panels Different, the purpose of bidirectional light distribution is realized, that is, the irradiation area can be moved according to the actual situation, so that the light is just irradiated in the reading and writing operation position, the light source is fully utilized, the light source is avoided, the light emitting surface of the optical diffuser is parallel with the light board, and the illumination is improved. And uniformity.

The present invention will be further described below in conjunction with specific embodiments. The drawings are for illustrative purposes only, and are merely schematic representations, not representations of the drawings, which are not to be construed as limiting the invention; in order to better illustrate the embodiments of the present invention, some components of the drawings may be omitted. Zooming in or out does not represent the size of the actual product; it will be understood by those skilled in the art that certain known structures and their description may be omitted.

As shown in FIG. 1 to FIG. 4, the present patent provides a dual-lamp illumination table lamp, comprising a lamp holder 100, a support arm 200 and a lamp body 300. The lamp body 300 includes an optical diffuser that is nested and connected in order from bottom to top. 310, LED light board 320, lamp body heat-dissipating aluminum 330 and lamp body surface shell 340; the LED light board 320 is rectangular, and a row of evenly arranged lamp beads is arranged in the middle of the LED light board, the light board has two pieces And two LED light panels are placed in an inverted V shape. The two light plates placed in the inverted V shape make the light shielding property of the table lamp conform to the national standard, and the respective powers of the two LED light plates 320 can be adjusted by the switch, so that the luminous intensity of the two LED light plates 320 are different, and the two-way light distribution is realized. That is, the irradiation area can be moved in two directions according to the actual situation, so that the light is just irradiated at the position of the reading and writing operation, thereby avoiding waste of the light source.

The lamp holder 100 is provided with a knob (not shown) for adjusting the power of the two LED lamp panels 320. By rotating the knob clockwise or counterclockwise, the power of the two LED lamp panels 320 can be adjusted. The sum of the powers of the two light panels is constant, and the power distribution changes as the knob rotates. The two LED light panels are respectively a first light board 321 and a second light board 322. The knob is set such that when the knob is in the initial position, the power of the two light boards is the same, and the luminous intensity is the same; when the knob is turned, two pieces are turned The power of the light board is correspondingly increased or decreased. Specifically, when the knob rotates clockwise, the power of the first light board 321 increases, the power of the second light board 322 decreases, and the illumination area moves in the direction of the first light board; when the knob rotates counterclockwise, The power of the two light plates 322 is increased, the power of the first light plate 321 is reduced, and the illumination area is moved in the direction in which the second light plate is illuminated, so that the light is just irradiated at the position of the reading and writing operation.

The two LED light panels 320 are placed in an inverted V shape to form an angle of 120 ∘.

The longitudinal section of the optical diffuser 310 is inverted V-shaped, and the light-emitting surface of the optical diffuser 310 is parallel to the lamp plate. The shape of the optical diffuser 310 is adapted to the shape of the two LED light panels 320, and the light exiting surface is parallel to the light panel to improve the uniformity of light output.

The longitudinal section of the lamp body heat dissipation aluminum 330 is an inverted V shape, and two grooves 331 and 332 are respectively disposed on two inner sides of the lamp body heat dissipation aluminum 330. The angle α of the lamp body heat dissipating aluminum 330 is 120 ∘, and the two grooves 331 and 332 on the inner side thereof are designed to accommodate the optical diffuser 310 and the LED lamp board 320.

The optical diffuser 310 and the LED lamp board 320 are disposed from two bottoms on the inner sides of the inner side of the heat dissipation aluminum of the lamp body.

The double-lamp illumination table lamp further includes a heat-dissipating aluminum connecting member 400 and a lamp body rear case 500. The heat-dissipating aluminum connecting member 400 and the lamp body rear case 500 are respectively disposed at two ends of the lamp body 300, wherein the lamp body is behind The case 500 is coupled to the support arm 200.

The lamp body rear case 500 and the support arm 200 are connected by the first rotational positioning mechanism 600, so that the lamp body 300 can be pitched and rotated.

The support arm 200 and the socket 100 are connected by the second rotational positioning mechanism 700, so that the support arm 200 can swing left and right.

It is apparent that the above-described embodiments of the present invention are merely examples for clearly illustrating the present creation, and are not intended to limit the embodiments of the present invention. Other variations or modifications of the various forms may be made by those skilled in the art in light of the above description. There is no need and no way to exhaust all of the implementations. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this creation shall be covered by the scope of this Creative Claim.

100‧‧‧ lamp holders;
200‧‧‧ support arm;
300‧‧‧ lamp body;
310‧‧‧ Optical diffusers;
320‧‧‧LED light board;
321‧‧‧ first light board;
322‧‧‧second light board;
330‧‧‧Light body heat dissipation aluminum;
331‧‧‧ Groove;
332‧‧‧ grooves;
340‧‧‧Light body shell;
400‧‧‧heating aluminum connectors;
500‧‧‧light body back shell;
600‧‧‧First rotational positioning mechanism;
700‧‧‧Second rotary positioning mechanism.

Figure 1 is a partial exploded view of the dual lamp panel lighting table lamp. FIG. 2 is a partially enlarged schematic view of the dual lamp panel illumination table lamp A of the present invention. Figure 3 (a) and Figure 3 (b) are partial cross-sectional views of the lamp body of the dual-lamp lighting table lamp. Figure 4 is a rendering of the dual-lamp lighting table lamp.

100‧‧‧ lamp holder

200‧‧‧Support arm

300‧‧‧Light body

310‧‧‧Optical diffuser

320‧‧‧LED light board

330‧‧‧Light body heat dissipation aluminum

340‧‧‧Light body shell

400‧‧‧Solid aluminum connector

500‧‧‧light body back shell

600‧‧‧First rotational positioning mechanism

700‧‧‧Second rotary positioning mechanism

Claims (10)

A double-lamp illumination table lamp comprising a lamp holder, a support arm and a lamp body, wherein the lamp body comprises an optical diffuser, an LED lamp plate, a lamp body heat dissipation aluminum and a lamp body surface which are nested and connected in order from bottom to top The lamp plate has two pieces, and the two LED boards are placed in an inverted V shape, and the respective powers are changed by adjustment, thereby realizing bidirectional light distribution. The dual-lamp lighting table lamp of claim 1, wherein the sum of the powers of the two LED panels is fixed. The double-lamp lighting table lamp according to claim 1, wherein the LED light board is rectangular, and a row of uniformly arranged light beads is arranged in the middle of the LED light board. The double-lamp lighting table lamp according to claim 1, wherein the lamp holder is provided with a knob for adjusting the power of two LED boards, and the power distribution of the two LED boards is rotated by the knob. And it has changed. The double-lamp lighting table lamp according to claim 1, wherein the two LED light plates are placed in an inverted V-shape to form an angle ranging from 110 ∘ to 145 。. The double-lamp illumination table lamp of claim 5, wherein the two LED panels are placed in an inverted V-shape to form an angle of 120 ∘. The double-light panel lighting table lamp according to claim 1, wherein the optical diffuser has an inverted V-shaped longitudinal section, and the light-emitting surface of the optical diffuser is parallel to the light-emitting panel. The double-lamp lighting table lamp according to claim 1, wherein the longitudinal section of the heat-dissipating aluminum of the lamp body is inverted V-shaped, and the optical diffuser and the LED lamp are respectively disposed on two sides of the heat-dissipating aluminum inside the lamp body. The two grooves of the plate, the optical diffuser and the LED lamp plate are disposed from the bottom into the two grooves on the inner sides of the heat dissipation aluminum of the lamp body. The double-lamp lighting table lamp of claim 1, further comprising a heat-dissipating aluminum connecting member and a lamp body rear shell, wherein the heat-dissipating aluminum connecting member and the lamp body rear shell are respectively disposed at two ends of the lamp body, wherein The rear body of the lamp body is connected to the support arm. The double-lamp illumination table lamp of claim 9, wherein the lamp body rear shell and one end of the support arm are connected by a first rotation positioning mechanism, so that the lamp body can be pitched and rotated; the other end of the support arm The lamp holder is connected to the lamp holder through the second rotation positioning mechanism to swing the support arm to the left and right.