CN212901084U

CN212901084U - Disjunctor projecting lamp

Info

Publication number: CN212901084U
Application number: CN202021727122.8U
Authority: CN
Inventors: 李远松; 吕恒洁; 李雪松; 李伟; 刘丽
Original assignee: Chongqing Far East Lighting Co ltd
Current assignee: Chongqing Far East Lighting Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-04-06
Anticipated expiration: 2030-08-18

Abstract

The utility model relates to the technical field of LED projection lamps, in particular to a conjoined projection lamp, which comprises a base, wherein a mounting structure is arranged on the base, two lamps are adjustably arranged on the base through the mounting structure, and the adjustable angle of the lamps is 15-180 degrees; the lamp comprises a cover body, wherein the circular holes for mounting the LED lamp beads in the cover body are all provided with a light reflecting cup for secondary light distribution; a first heat dissipation mechanism is arranged on the lamp shell, a second heat dissipation mechanism is arranged on the base, and a fixing structure connected with the lamp post is arranged on the base; the power distribution circuit of the projection lamp comprises an input circuit, an absorption circuit, a filtering and rectifying circuit, a logic control circuit and an output circuit. The utility model realizes convenient fixing and installation of the projection lamp, maximizes the adjustable range of the lamp angle, and meets various different use and installation requirements under various environments; guarantee the radiating effect of projecting lamp, reduce power supply circuit power loss, avoid effects such as stroboscopic to appear in the projecting lamp.

Description

Disjunctor projecting lamp

Technical Field

The utility model relates to a LED projecting lamp technical field especially relates to a disjunctor projecting lamp.

Background

The projection lamp is a lamp with the illumination intensity on the appointed illuminated surface higher than that of the surrounding environment, can be aimed at any direction, has a structure which is not influenced by weather conditions, is mainly used for large-area operation factories and mines, building outlines, stadiums, overpasses, monuments, parks and the like, but the existing projection lamp has some defects in the using process: for example, 1) because the project lamps are all installed at a higher position, workers are required to fix and adjust the auxiliary structure of the project lamp at the higher position, then the project lamp is fixed on the auxiliary structure, the angle is adjusted, and then the project lamps are fixed, the installation process of installing a plurality of project lamps is more complicated, and thus the stability of the project lamps is poorer; the angle of the projection lamp is inconvenient to adjust, the adjustable angle range is small, and the requirements of different current use environments on the projection lamp cannot be met completely; 2) the installation space of the existing projection lamp on the lamp post is extremely limited, and a plurality of projection lamps need to be installed on the lamp post, so that the installation steps of the projection lamp are complicated, the installation difficulty is high, and the installation efficiency is low; 3) the existing projection lamp has poor heat dissipation effect, and when a plurality of projection lamps are installed on the same lamp pole, the heat dissipation effect is worse, so that the service life of the projection lamp is seriously influenced; 4) the existing projection lamp has more pulses and harmonic waves in a circuit, has low power factor, influences the normal operation of a power distribution system and also causes great power supply loss of the circuit; in addition, the ripple factor of the existing projection lamp is expressed, the stroboflash is serious, the irradiation effect of the projection lamp is influenced, and the eyes of people can be damaged.

SUMMERY OF THE UTILITY MODEL

Not enough to above-mentioned prior art, the utility model provides a disjunctor projecting lamp aims at present disjunctor projecting lamp angular adjustment limited, the installation degree of difficulty is big, and the projecting lamp radiating effect is poor and present projecting lamp circuit power supply loss is big, technical problem such as the stroboscopic is serious.

The utility model provides a technical scheme that its technical problem adopted is:

a conjoined projection lamp comprises a base, wherein a mounting structure is arranged on the base, two lamps are adjustably mounted on the base through the mounting structure, and the adjustable angle of each lamp is 15-180 degrees; the lamp comprises a cover body, wherein the circular holes for mounting the LED lamp beads in the cover body are provided with reflecting cups for secondary light distribution; the lamp shell is provided with a first heat dissipation mechanism, the base is provided with a second heat dissipation mechanism, and the base is provided with a fixing structure connected with the lamp post;

the power distribution circuit of the projection lamp comprises an input circuit, an absorption circuit, a filtering and rectifying circuit, a logic control circuit and an output circuit; the input end of the input circuit is electrically connected with the power supply, the input circuit is grounded, the output end of the input circuit is respectively communicated with the filter rectification circuit and the absorption circuit, the output ends of the filter rectification circuit and the absorption circuit are connected with the logic control circuit, the logic control circuit is connected with the input end of the output circuit, and the output end of the output circuit is electrically connected with the LED lamps.

Preferably, the mounting structure is a strip-shaped mounting groove arranged on the top surface of the base, the strip-shaped mounting groove penetrates through the side walls at two ends of the base, and mounting holes are formed in two opposite side walls of the mounting groove.

Preferably, the reflecting cup is a multilayer stepped reflecting cup.

Preferably, the bottom of the cover body is provided with a conical structure, the bottom of the conical structure is integrally formed with a connecting block, and the cover body is matched and fixed with the mounting structure through the connecting block.

Preferably, the first heat dissipation mechanism is a plurality of heat dissipation blocks vertically arranged on the surfaces of the conical structure and the connecting block, and the heat dissipation blocks are parallel to each other.

Preferably, the second heat dissipation mechanism is a plurality of parallel heat dissipation grooves formed in the bottom of the base, and two ends of each heat dissipation groove penetrate through side walls of two sides of the base.

Preferably, the absorption circuit comprises a resistor R2 and a resistor R3 which are connected in series and then connected in parallel with a one-way diode D1, the input end of the absorption circuit is communicated with the rectifying and filtering circuit, the output end of the absorption circuit is connected in series with the positive electrode of the polar capacitor C3, and the negative electrode of the polar capacitor C3 is grounded.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1) the utility model discloses in through to projecting lamp ingenious design, make can be through the bolt on the base two lamps and lanterns of adjustable angle fixed mounting, can adjust two lamps and lanterns into different arbitrary angles between 15-180 according to different use scenes and different operation requirements like this, make the range of application of projecting lamp more extensive like this; and this the utility model discloses well installer can fix two projecting lamps after with angle pre-adjustment on the base earlier, just can carry out quick fixed mounting with base and lamp pole high-speed fit to disjunctor projecting lamp in the eminence, great simplification the projecting lamp installation, guarantee the stability after the projecting lamp installation.

2) The utility model discloses in through the design to lamps and lanterns and base structure, and to the setting of first heat dissipation mechanism and second heat dissipation mechanism, first heat dissipation mechanism can conduct the heat of the inside production of lamps and lanterns in the air and on the base fast, then a plurality of heat dissipation groove formation strong convection of second heat dissipation mechanism can dispel the heat fast to base and lamps and lanterns, especially lamps and lanterns are installed in the eminence, make the radiating effect of projecting lamp fabulous, when installing a plurality of projecting lamps on the same lamp pole, the overheated condition of projecting lamp also can not appear, make the life of projecting lamp obtain important guarantee.

3) The utility model discloses in improve distribution circuit to set up absorption circuit in the circuit, make can carry out effectual absorption to the kind pulse and the harmonic of circuit, can avoid electric capacity to charge too fast, the power factor that discharges and arouse slowly reduces, and can reduce the ripple coefficient, the effectual serious problem of glimmering in the present projecting lamp of having solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and it is obvious for a person skilled in the art that other drawings obtained from these drawings can be included without inventive work.

Fig. 1 is a schematic structural diagram in an embodiment of the middle conjoined projection lamp of the present invention.

Fig. 2 is a left side view in the embodiment of the middle conjoined projection lamp of the present invention.

Fig. 3 is a bottom view of the connected projector of the present invention.

Fig. 4 is a schematic structural diagram of a reflective cup in an embodiment of the middle conjoined projection lamp of the present invention.

Fig. 5 is a distribution circuit diagram in the embodiment of the middle conjoined projection lamp of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a disjunctor projecting lamp of preferred embodiment, refer to attached figure 1, 2, 3, including base 1, be provided with mounting structure 2 on base 1, base 1 installs two lamps and lanterns through mounting structure 2 is adjustable, the angle that lamps and lanterns are adjustable is 15 ~ 180 degrees; the lamp comprises a cover body 3, and light reflecting cups 5 for secondary light distribution are arranged in circular holes 4 for mounting LED lamp beads in the cover body 3; a first heat dissipation mechanism 6 is arranged on the lamp shell, a second heat dissipation mechanism 7 is arranged on the base 1, and a fixing structure 8 connected with a lamp post is arranged on the base 1; fixed knot that fixed knot structure 8 can be provided with an organic whole and fix the fixed cover in base 1 bottom, fixed cover can directly overlap the position that the lamp pole is used for installing the projecting lamp, and fixed cover bottom sets up the round hole, then with bolt fixed connection.

The power distribution circuit of the projection lamp comprises an input circuit 9, an absorption circuit 10, a filter rectification circuit 11, a logic control circuit 12 and an output circuit 13; the input end of the input circuit 9 is electrically connected with a power supply, the input circuit 9 is grounded, the output end of the input circuit 9 is respectively communicated with the filter rectification circuit 11 and the absorption circuit 10, the output ends of the filter rectification circuit 11 and the absorption circuit 10 are connected with the logic control circuit 12, the logic control circuit 12 is connected with the input end of the output circuit 13, and the output end of the output circuit 13 is electrically connected with the LED lamps.

In the utility model, the live wire and the zero wire of the input circuit 9 are respectively connected with the municipal power supply, and the driving chip in the logic control circuit 12 is an LCSY5830 chip directly bought in the market; the chips with different power ranges can be selected and controlled according to different power requirements of the projection lamp used in different environments, and the power can be 5W-36W, so that the energy-saving requirement of the projection lamp can be met while the use requirement in various environments is met.

The mounting structure 2 is a strip-shaped mounting groove arranged on the top surface of the base 1, the strip-shaped mounting groove penetrates through the side walls at two ends of the base 1, mounting holes 14 are formed in two opposite side walls of the mounting groove, the base 1 of the lamp is provided with fixing holes (not shown in the figure), then the bottoms of the two lamps are respectively fixed in the strip-shaped mounting groove through bolts, and on one hand, the structure for arranging the strip-shaped mounting groove is used for ensuring that the adjustable range of the lamp is larger than that of a projection lamp in the existing market, so that the use requirements under various environments can be met; on the other hand is the quick transmission of the inside heat that produces of lamps and lanterns to the cover body 3, then can form the convection current through the bar mounting groove, can disperse the heat on the cover body 3 fast in the air or carry out secondary convection heat dissipation with heat fast transmission to base 1 on, make like this can with cover body 3 in the heat that the LED lamp produced fast transmission cover body 3 on, the heat on the cover body 3 can give off fast or shift, the not good serious condition that influences the LED life-span of radiating effect in the projecting lamp of having avoided current like this.

Referring to fig. 4, the reflecting cup 5 is a multi-layer stepped reflecting cup 5; can carry out the secondary grading to the LED light source like this for under the better condition of projecting lamp irradiation conditions, the optional COB of LED light source can also be selected different multilayer echelonment reflective cup 5 and carry out the secondary grading and can also realize that the luminous angle is 15 °, 30 °, 45 and 60, make and to satisfy the irradiation requirement to the projecting lamp under the various environment.

The bottom of the cover body 3 is provided with a conical structure, a connecting block 15 is integrally formed at the bottom of the conical structure, and the cover body 3 is matched and fixed with the mounting structure 2 through the connecting block 15; the bottom of the cover body 3 is arranged in a conical shape, so that the contact area between the cover body 3 and air is larger, and the heat dissipation capacity of the cover body 3 is improved; connecting block 15 sets up the angle of convenient and bar mounting groove cooperation installation and adjustment lamps and lanterns like this, and connecting block 15 is little in the space that the bar mounting groove took for the convection current space is bigger in the bar mounting groove, and thermal heat dissipation and transfer efficiency are faster on the cover body 3, improve the cover body 3 heat-sinking capability, guarantee the life of projecting lamp.

First heat dissipation mechanism 6 is perpendicular to set up at toper structure and connecting block 15 polylith radiating block on the surface, the radiating block is parallel to each other, the radiating block can all adopt the better aluminum product of radiating effect with the cover body 3, can obviously increase the area of contact of the cover body 3 with the air like this, then make the heat-sinking capability of the cover body 3 self better, make the projecting lamp when indoor use, during the obscure condition of convection cooling effect, also can guarantee that the projecting lamp has better heat-sinking capability, life decay degree is slower.

The second heat dissipation mechanism 7 is a plurality of heat dissipation grooves which are arranged at the bottom of the base 1 and are parallel to each other, two ends of each heat dissipation groove penetrate through two side walls of the base 1, the base 1 is made of aluminum materials with a good heat dissipation effect, so that heat transferred to the base 1 can be quickly dissipated, the efficiency of heat transfer of the cover body 3 like the base 1 is further improved, the heat dissipation performance of the projection lamp is good, the LED lamp beads can work in a suitable environment, and the heat dissipation effect of the conjoined projection lamp is better than that of the projection lamp which is installed independently at present; more importantly, when the power of the lamp is high, the problem of heat dissipation of the existing project lamp cannot be solved at all, so that the service life of the existing high-power project lamp is greatly shortened; therefore, the utility model discloses in set up like this and make the heat dissipation problem of high-power disjunctor projecting lamp solve completely, guarantee that the life of projecting lamp is not influenced.

The absorption circuit 10 comprises a resistor R2 and a resistor R3 which are connected in series and then connected in parallel with a one-way diode D1, the input end of the absorption circuit is communicated with a rectifying and filtering circuit, the output end of the absorption circuit is connected in series with the positive electrode of a polar capacitor C3, and the negative electrode of the polar capacitor C3 is grounded.

Referring to fig. 5, in the present invention, the circuit of the projector is improved, when AC220V AC passes through the power line, the safety is ensured, the power source is rectified and filtered, then the driving chip is charged, when the voltage rises to the threshold, the built-in logic control circuit 12 starts to work, when the voltage of the input pin of the driving chip reaches a certain value, the gate of the external MOS is biased forward and turned on; the main current returns to the negative of the power supply through the primary side of the transformer, the MOS drain electrode, the source electrode and the ground, the secondary induction voltage of the transformer is rectified and then is transmitted to the positive electrode of the LED 1-LEDN, then to the negative electrode, and finally to the other end of the secondary side of the transformer, the other end of the secondary side of the transformer is grounded, so that the LED and the like obtain current luminescence; the absorption circuit 10 is added, so that the pulse and the reflected multiple harmonics in the power supply can be effectively absorbed; because driver chip charge speed is very fast, and discharge rate is slower, set up absorption circuit 10 and can guarantee that power factor remains stable for distribution circuit's loss is less, can also reduce the ripple coefficient in addition, after making for LED lamp pearl provide the power, effectively solve present stroboscopic serious problem of projecting lamp, make the quality of projecting lamp better, the injury to people's eyes is also littleer.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. A conjoined projection lamp is characterized by comprising a base, wherein a mounting structure is arranged on the base, two lamps are adjustably mounted on the base through the mounting structure, and the adjustable angle of each lamp is 15-180 degrees; the lamp comprises a cover body, wherein the circular holes for mounting the LED lamp beads in the cover body are provided with reflecting cups for secondary light distribution; the lamp shell is provided with a first heat dissipation mechanism, the base is provided with a second heat dissipation mechanism, and the base is provided with a fixing structure connected with the lamp post;

2. The one-piece floodlight of claim 1, wherein the mounting structure is a strip-shaped mounting groove formed on the top surface of the base, the strip-shaped mounting groove penetrates through the side walls at the two ends of the base, and mounting holes are formed on the two opposite side walls of the mounting groove.

3. The one-piece floodlight of claim 1, wherein the reflector cup is a multi-layer stepped reflector cup.

4. The one-piece floodlight of claim 1, wherein the bottom of the cover is a cone-shaped structure, the bottom of the cone-shaped structure is integrally formed with a connecting block, and the cover is fixed to the mounting structure through the connecting block.

5. The integrated projector lamp of claim 4 wherein the first heat dissipation mechanism is a plurality of heat dissipation blocks vertically disposed on the surface of the tapered structure and the connection block, the heat dissipation blocks being parallel to each other.

6. The integrated floodlight of any one of claims 1 or 5, wherein the second heat dissipation mechanism is a plurality of parallel heat dissipation grooves formed in the bottom of the base, and two ends of each heat dissipation groove penetrate through two side walls of the base.

7. The one-piece project lamp of claim 1, wherein the absorption circuit comprises a resistor R2 and a resistor R3 which are connected in series and then connected in parallel with a one-way diode D1, an input end of the absorption circuit is communicated with the rectification filter circuit, an output end of the absorption circuit is connected in series with a positive electrode of a polar capacitor C3, and a negative electrode of the polar capacitor C3 is grounded.