CN113251353B - Double-light-source LED projection lamp and control method thereof - Google Patents

Abstract

The application discloses a double-light-source LED projection lamp and a control method thereof, wherein the double-light-source LED projection lamp comprises a lamp holder, wherein an installation cavity is formed in the lamp holder; the lamp holder comprises two first lamp bodies, wherein the two first lamp bodies are respectively connected to the lamp holder in a rotating manner; the number of the rotating mechanisms is two, the rotating ends of the rotating mechanisms are positioned in the mounting cavity, and the two rotating ends can drive the two first lamp bodies to rotate respectively; the first control mechanism is positioned in the mounting cavity and comprises a first driving source and two first connecting ends; and the second control mechanism is positioned in the mounting cavity and comprises a second driving source and two second connecting ends. This application can once shine a plurality of directions to adjust the direction of shining according to the demand is nimble, the angle that accurate and swift adjustment light shines, and control fluorescent tube accomplishes multiple functional type requirements such as fixed speed rotation and antiport.

Description

Double-light-source LED projection lamp and control method thereof

Technical Field

The application relates to the technical field of LED lamps, in particular to a double-light-source LED projection lamp and a control method thereof.

Background

The projector is a lamp that specifies that the illuminance on the illuminated surface is higher than that in the surrounding environment. Also known as spotlights. In general, it can be aimed in any direction and has a structure that is not affected by the climatic conditions. The method is mainly used for large-area operation field mines, building outlines, stadiums, overpasses, monuments, parks, flower beds and the like. Traditional projecting lamp only has a lamp body, and its function singleness can only be single shine a direction, if need a plurality of directions of illumination then need a plurality of projecting lamps of repeated installation, not only the installation is loaded down with trivial details but also consuming time and power.

Disclosure of Invention

In order to overcome the defects of the prior art, an object of the present invention is to provide a dual-light source LED projection lamp, which can illuminate multiple directions at a time, flexibly adjust the illumination direction according to the requirements, accurately and quickly adjust the illumination angle of the light, and control the lamp tube to complete multiple functional requirements such as constant-speed rotation and reverse rotation.

Another object of the present application is to provide a control method of a dual light source LED projector, which can realize precise control of the light irradiation direction and management and control of the light irradiation mode through precise instructions.

To achieve one of the objects, the present application provides a dual light source LED projector, comprising:

the lamp holder is internally provided with an installation cavity;

the lamp holder comprises two first lamp bodies, wherein the two first lamp bodies are respectively connected to the lamp holder in a rotating manner;

the number of the rotating mechanisms is two, the rotating mechanisms are provided with rotating ends, the rotating ends are positioned in the mounting cavities, and the two rotating ends can respectively drive the two first lamp bodies to rotate;

the first control mechanism is positioned in the mounting cavity and comprises a first driving source and two first connecting ends, the two first connecting ends correspond to the two rotating ends one by one, the first connecting ends can be matched and connected with or separated from the rotating ends, and the first driving source drives the two first connecting ends to move in the same direction so as to enable the first lamp body to rotate or enable the two first lamp bodies to synchronously rotate in the same direction; and

the second control mechanism is located in the installation cavity and comprises a second driving source and two second connecting ends, the second connecting ends correspond to the two rotating ends one to one, the second connecting ends can be matched with or separated from the rotating ends, and the second driving source drives the two second connecting ends to move reversely so as to enable the two first lamp bodies to rotate synchronously and reversely.

Compared with the prior art, the beneficial effect of this application lies in: the two first lamp bodies are symmetrically arranged on the lamp holder, and can be respectively adjusted to different irradiation angles according to irradiation requirements, so that the purpose of installing one projection lamp to irradiate in multiple directions is achieved, the installation time for installing a plurality of projection lamps can be saved, and the adjustment is convenient; through first link, second link and the cooperation of rotating the end and be connected or the separation to and the drive control of first driving source and second driving source, realize independently rotating, syntropy rotating and synchronous reverse rotation multiple function mode to two first lamp bodies, make its realization in a large scale the tour shine, improve and shine the area, the application mode that can use the projecting lamp in a flexible way simultaneously enlarges the application scene, satisfies user's multiple user demand.

As an improvement, the rotating mechanism comprises a first supporting arm and a second supporting arm, the first lamp body is fixedly arranged on the first supporting arm, the first supporting arm is rotatably connected to the second supporting arm, the second supporting arm is rotatably connected to the lamp holder, the rotating end is arranged at the bottom end of the second supporting arm and comprises a rotating shaft and a gear arranged on the rotating shaft, the first supporting arm rotates to drive the first lamp body to vertically rotate, the rotating end drives the second supporting arm to rotate to drive the first lamp body to transversely rotate, a torsion spring is sleeved on the rotating shaft, through the improvement, the longitudinal position of the first lamp body can be adjusted through the first supporting arm, the transverse position of the first lamp body can be adjusted through the second supporting arm, so that the three-dimensional rotation can be completed through the first supporting arm and the second supporting arm to adapt to different irradiation environments, and the adjustment range and the irradiation precision of the irradiation angle can be improved, and the torsion spring on the rotating shaft enables the rotating shaft to automatically return to the initial position without external force interference, manual calibration is not needed, energy is saved, and meanwhile quick reset can be completed.

As an improvement, the first control mechanism further comprises a first screw rod, the first screw rod is provided with a first limiting block and a reciprocating thread, the first limiting block is located in the middle of the first screw rod, the first driving source is a motor, the first driving source drives the first screw rod to rotate, the first connecting end comprises two first sliding blocks and two first racks, the first sliding blocks are in threaded connection with the first screw rod, the first racks are in sliding connection with the first sliding blocks, and the two first sliding blocks are respectively located at two ends of the first limiting block, through the improvement, when the first driving source drives the first screw rod to rotate, the reciprocating thread on the first screw rod can enable the two first sliding blocks to synchronously slide, and because the first limiting block limits the strokes of the two first sliding blocks, the two first sliding blocks can synchronously and equidirectionally move at two ends of the first limiting block, thereby realize the complex motion to two first lamp body synchronous rotations through simple mechanism, simplified the mechanism, improved the rotation efficiency of first lamp body.

As an improvement, the first connecting end further comprises a first connecting rod, the first connecting rod is fixedly arranged on the first sliding block, the first connecting rod is arranged towards the gear, the first rack is arranged on the first connecting rod in a penetrating manner, a first electromagnet is arranged on one surface of the first sliding block, which faces the first rack, a first permanent magnet is arranged on one surface of the first rack, which faces the first electromagnet, and the first electromagnet is provided with a positive and negative current, so that the first electromagnet and the first permanent magnet are magnetically repelled or magnetically attracted, and the first rack is meshed or separated with the gear, through the improvement, the positive and negative current is supplied through the first electromagnet to realize the meshing or separation of the first rack and the gear, namely the connection and separation of the two rotating ends and the two first connecting ends, and the positive and negative direction of the current of the first electromagnet can be realized through simple electric signal input, the lamp further refines and simplifies the operation flow, optimizes the control program, enables the lamp to complete the control of the rotation function of the first lamp body without circuit control, and reduces the cost.

As an improvement, the second control mechanism further comprises a second lead screw, the second lead screw is provided with a second limiting block and a reciprocating screw, the second limiting block is located in the middle of the second lead screw, the second driving source is a motor, the second driving source drives the second lead screw to rotate, the second connecting end comprises two second sliders and two second racks, the second sliders are connected to the second lead screw in a threaded manner, the second racks are connected with the second sliders in a sliding manner, the two second sliders are respectively located at two ends of the second limiting block, and the screw directions of the two ends of the second limiting block are opposite, through the improvement, the reciprocating screw on the second lead screw can enable the two second sliders to slide reversely when the second driving source drives the second lead screw to rotate due to the opposite directions of the two reciprocating screws at the two ends of the second limiting block, and because the first limiting block limits the stroke of the two first sliding blocks, the two first sliding blocks can synchronously and reversely move at the two ends of the first limiting block, so that the two first lamp bodies synchronously and reversely rotate to perform complex movement through a simple mechanism, the mechanism is simplified, the structural volume in the installation cavity is saved, the heat dissipation can be effectively improved, and the service life of the whole structure is prolonged.

As an improvement, the second connecting end further comprises a second connecting rod, the second connecting rod is fixedly arranged on the second sliding block, the second connecting rod is arranged towards the gear, the second rack is arranged on the second connecting rod in a penetrating manner, a second electromagnet is arranged on one surface of the second sliding block, which faces the second rack, a second permanent magnet is arranged on one surface of the second rack, which faces the second electromagnet, and the second electromagnet is provided with a positive and negative current, so that the second electromagnet and the second permanent magnet are magnetically repelled or magnetically attracted, and the second rack is meshed or separated with the gear, through the improvement, the positive and negative current is introduced to the second electromagnet to realize the meshing or separation of the two second racks and the gear, namely the connection and separation of the two rotating ends and the two second connecting ends, and the positive and negative direction of the current of the second electromagnet can be controlled through simple electric signal input, the method further refines and simplifies the operation flow, optimizes the control program, can finish the complex operation of synchronously reversing the two first lamp bodies, saves the high cost of circuit control, and reduces the production cost.

As an improvement, the lighting device further comprises a second lamp body and a transmission mechanism, the second lamp body is rotatably arranged at the lower side of the lamp holder, the second lamp body comprises a spherical pair and a rotating part, a spherical groove matched with the spherical pair is formed at the lower side of the lamp holder, the spherical pair is rotatably connected in the spherical groove, the rotating part is fixedly arranged in the spherical pair, the rotating part can be matched and connected with the second lead screw through the transmission mechanism, the second lead screw rotates to drive the rotating part to rotate through the transmission mechanism so as to adjust the lighting angle of the second lamp body, through the improvement, a lighting area is usually bright at a lighting site of the projection lamp, a vision blind area is formed below the projection lamp, and a situation that the lamp is dark is formed, so that a person can not see road conditions clearly when walking below the projection lamp, the lighting device is very inconvenient, and even the lighting device is not correct when the projection lamp is assembled and disassembled, still need carry the flashlight of self, reduced work efficiency, and the rotatable setting of second lamp body is at the lamp stand downside, not only can cooperate the lamp stand to adjust self position, and can illuminate the below of lamp stand, sweeps the field of vision blind area, promotes the lighting environment, and the second lamp body pivoted of control rotates the piece accessible and is connected in order to realize controlling with the cooperation of second lead screw, can save unnecessary motor, has not only improved motor utilization efficiency, very big reduction in cost moreover.

As an improvement, the second limiting block is a cylinder, a spline is arranged on the second limiting block, a first helical gear and a third electromagnet are arranged on the second limiting block, the first helical gear can slide on the second limiting block through the spline, a third permanent magnet is arranged on one side of the first helical gear close to the second limiting block, the transmission mechanism comprises a second helical gear, the first helical gear faces the second helical gear, and positive and negative currents are introduced into the third electromagnet to enable the first helical gear to be meshed with or separated from the second helical gear, through the improvement, the engagement or separation of the first helical gear and the second helical gear is realized by introducing the positive and negative currents into the third electromagnet, namely, the third screw transmits a third lamp body, and the positive and negative directions of the currents of the third electromagnet can be controlled through simple electric signal input, its simple structure controls accurately, can improve the accurate controllability of third lead screw to the second lamp body.

As an improvement, the transmission mechanism further comprises a transmission shaft, a first rotating disc, a second rotating disc, a telescopic rod and a third connecting rod, wherein the second bevel gear is connected with the first rotating disc through the transmission shaft, one end of the telescopic rod is connected with the first rotating disc, the other end of the telescopic rod is connected with the second rotating disc, one end of the telescopic rod is obliquely arranged relative to the first rotating disc, the other end of the telescopic rod is vertically arranged relative to the second rotating disc, one end of the third connecting rod is connected with the second rotating disc, the other end of the third connecting rod is connected with the rotating part, through the improvement, the second bevel gear can be meshed or separated with the first bevel gear by leading in forward and reverse current through a third electromagnet, the second bevel gear realizes the rotation control of the rotating part through the transmission shaft, the first rotating disc, the second rotating disc, the telescopic rod and the third connecting rod, and the link structure is stable, and the accurate and effective transmission of the forces in different directions can be realized, and the smooth operation of the whole structure can be ensured.

In order to achieve another object, the present application further provides a control method of the dual light source LED projection lamp, which provides a remote controller, wherein the remote controller is provided with a plurality of function keys, and the function keys include: the first lamp body is pressed down, a first connecting end is connected with a rotating end in a matched mode, the first driving source drives one first connecting end to drive one rotating end to rotate so as to enable one first lamp body to rotate, the first lamp body key is released, a second connecting end is connected with one rotating end in a matched mode so as to limit one first lamp body to rotate, and one first connecting end is separated from one rotating end;

the right first lamp body is pressed down, the other first connecting end is connected with the other rotating end in a matched mode, the other first connecting end is driven by the first driving source to drive the other rotating end to rotate so that the other first lamp body rotates, the right first lamp body key is released, the other second connecting end is connected with the other rotating end in a matched mode so that the other first lamp body is limited to rotate, and the other first connecting end is separated from the other rotating end;

the first lamp body is in the same direction, a first lamp body same-direction key is pressed, the two second connecting ends are separated from the two rotating ends respectively, the two first connecting ends are connected with the two rotating ends in a matched mode respectively, the first driving source drives the two first connecting ends to move in the same direction, so that the two first lamp bodies rotate synchronously, the first lamp body same-direction key is loosened, and the two first connecting ends are separated from the two rotating ends respectively;

the first lamp body is reversed, the first lamp body reversing key is pressed, the two second connecting ends are separated from the two rotating ends respectively, after the two rotating ends are returned to the initial positions, the two second connecting ends are connected with the two rotating ends in a matched mode respectively, the two second connecting ends are driven by the second driving source to drive the two first lamp bodies to rotate in a reverse mode, the first lamp body reversing key is released, and the two second connecting ends are separated from the two rotating ends respectively;

the second lamp body is pressed down, positive current is introduced into the third electromagnet, the transmission mechanism is connected with the second screw rod in a matched mode, the second driving source drives the second screw rod to drive the transmission mechanism to operate so as to adjust the irradiation angle of the second lamp body, the second lamp body key is released, negative current is introduced into the third electromagnet, the transmission mechanism is separated from the second screw rod, and the second lamp body stops rotating;

resetting, pressing a reset button, separating the first connecting end and the second connecting end from the rotating end, and enabling the rotating end to drive the first lamp body to return to the initial state by a torsional spring.

Compared with the prior art, the beneficial effect of this application lies in: the control of the rotating positions of the first lamp body and the second lamp body is realized through the plurality of function keys, the instruction of each function key is direct and clear, and the function keys can be fed back timely and correctly after being pressed down, so that the accurate control of the light irradiation direction and the management and control of the light irradiation mode are realized.

Drawings

FIG. 1 is a perspective view of the overall structure of the present application in a front view;

FIG. 2 is a front view of the overall structure of the present application;

FIG. 3 is a perspective view of the overall structure of the present application in a rear view;

FIG. 4 is a perspective view of FIG. 3 with the mounting plate omitted;

FIG. 5 is a perspective view of another perspective of the overall structure of the present application;

FIG. 6 is a rear elevational view of the overall structure of the present application;

FIG. 7 is a cross-sectional view A-A of FIG. 6;

fig. 8 is a perspective view of the overall structure of the present application without a lamp socket;

FIG. 9 is a schematic view of the first control mechanism, the second control mechanism, the rotating mechanism and the rotating end in isolation of the present application;

FIG. 10 is a schematic view of the first connecting end and the rotating end of FIG. 9;

FIG. 11 is a schematic structural view of the two second connecting ends and the two rotating ends in FIG. 9;

FIG. 12 is a schematic structural view of the transmission mechanism of FIG. 9 engaged with a second lead screw;

fig. 13 is a schematic diagram of function keys on the remote controller.

In the figure: 1. a lamp socket; 11. a mounting cavity; 12. a ball groove; 2. a first lamp body; 21. a first support arm; 22. a second support arm; 3. a rotating end; 30. a rotating shaft; 31. a torsion spring; 32. a gear; 4. a first control mechanism; 40. reciprocating screw threads; 41. a first drive source; 42. a first connection end; 421. a first slider; 4211. a first electromagnet; 422. a first rack; 4221. a first permanent magnet; 423. a first connecting rod; 43. a first lead screw; 431. a first stopper; 5. a second control mechanism; 51. a second drive source; 52. a second connection end; 521. a second slider; 5211. a second electromagnet; 522. a second rack; 5221. a second permanent magnet; 523. a second connecting rod; 53. a second lead screw; 531. a second limiting block; 5311. a first helical gear; 5312. a third electromagnet; 5313. a third permanent magnet; 6. a second lamp body; 61. a spherical pair; 62. a rotating member; 7. a transmission mechanism; 71. a second helical gear; 72. a drive shaft; 73. a first turntable; 74. a second turntable; 75. a telescopic rod; 76. a third connecting rod; 8. and (4) a remote controller.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the orientation words, such as the terms "central", "upper", "lower", "front", "back", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The present application provides a double light source LED projector, as shown in fig. 1-4, comprising:

the lamp holder 1 is internally provided with a mounting cavity 11;

the lamp comprises two first lamp bodies 2, wherein the two first lamp bodies 2 are respectively connected to a lamp holder 1 in a rotating manner;

the number of the rotating mechanisms is two, the rotating mechanisms rotate the ends 3, the rotating ends 3 are positioned in the mounting cavity 11, and the two rotating ends 3 can drive the two first lamp bodies 2 to rotate respectively;

the first control mechanism 4 is positioned in the mounting cavity 11, the first control mechanism 4 comprises a first driving source 41 and two first connecting ends 42, the two first connecting ends 42 correspond to the two rotating ends 3 one by one, the first connecting ends 42 can be matched and connected with or separated from the rotating ends 3, and the first driving source 41 drives the two first connecting ends 42 to move in the same direction so as to enable the first lamp bodies 2 to rotate or enable the two first lamp bodies 2 to synchronously rotate in the same direction; and

the second control mechanism 5 is located in the mounting cavity 11, the second control mechanism 5 includes a second driving source 51 and two second connecting ends 52, the two second connecting ends 52 correspond to the two rotating ends 3 one by one, the second connecting ends 52 can be connected or separated with the rotating ends 3 in a matching manner, and the second driving source 51 drives the two second connecting ends 52 to move in opposite directions, so that the two first lamp bodies 2 rotate synchronously and in opposite directions.

Specifically, as shown in fig. 5, the rotating mechanism includes a first support arm 21 and a second support arm 22, the first lamp body 2 is fixedly arranged on the first support arm 21, the first support arm 21 is rotatably connected to the second support arm 22, the second support arm 22 is rotatably connected to the lamp holder 1, the rotating end 3 is located at the bottom end of the second support arm 22, the rotating end 3 includes a rotating shaft 30 and a gear 32 arranged on the rotating shaft 30, the first support arm 21 rotates to drive the first lamp body 2 to vertically rotate, the rotating end 3 drives the second support arm 22 to rotate so as to drive the first lamp body 2 to transversely rotate, and a torsion spring 31 is sleeved on the rotating shaft 30.

The rotation shaft 30 can rotate the corresponding first lamp body 2 to an initial state, i.e., toward the front direction of the socket 1, without interference of external force.

Specifically, as shown in fig. 9, the first control mechanism 4 further includes a first lead screw 43, the first lead screw 43 is provided with a first limit block 431 and a reciprocating screw thread 40, the first limit block 431 is located in the middle of the first lead screw 43, the first driving source 41 is a motor, the first driving source 41 drives the first lead screw 43 to rotate, the first connection end 42 includes two first sliders 421 and two first racks 422, the first slider 421 is in threaded connection with the first lead screw 43, the first racks 422 are in sliding connection with the first slider 421, and the two first sliders 421 are respectively located at two ends of the first limit block 431.

Specifically, as shown in fig. 10, the first connection end 42 further includes a first connection rod 423, the first connection rod 423 is fixedly disposed on the first sliding block 421, the first connection rod 423 is disposed toward the gear 32, the first rack 422 is disposed on the first connection rod 423 in a penetrating manner, a first electromagnet 4211 is disposed on a surface of the first sliding block 421 facing the first rack 422, a first permanent magnet 4221 is disposed on a surface of the first rack 422 opposite to the first electromagnet 4211, and the first electromagnet 4211 is supplied with a positive and negative current to magnetically repel or magnetically attract the first electromagnet 4211 and the first permanent magnet 4221, so that the first rack 422 is engaged with or separated from the gear 32.

Preferably, the first permanent magnet 4221 is made of the material of one surface of the first rack 422 close to the first electromagnet 4211.

It should be noted that, the first electromagnet 4211 is energized with a forward current to make the first electromagnet 4211 and the first permanent magnet 4221 magnetically repel each other, so that the first rack 422 moves away from the first slider 421, so that the first rack 422 is engaged with the gear 32, and the first electromagnet 4211 is energized with a reverse current to make the first electromagnet 4211 and the first permanent magnet 4221 magnetically attract each other, so that the first rack 422 moves away from the gear 32, so that the first rack 422 is separated from the gear 32, and electric wires required for energizing the first electromagnet 4211 with a current are not shown in the drawings, which belongs to common knowledge in the art, and therefore, detailed description of the present application is omitted.

Specifically, as shown in fig. 9, the second control mechanism 5 further includes a second lead screw 53, the second lead screw 53 is provided with a second limit block 531 and a reciprocating thread 40, the second limit block 531 is located in the middle of the second lead screw 53, the second driving source 51 is a motor, the second lead screw 53 is driven to rotate by the second driving source, the second connecting end includes two second sliders 521 and two second racks 522, the second slider 521 is in threaded connection with the second lead screw 53, the second racks 522 are in sliding connection with the second slider 521, the two second sliders 521 are respectively located at two ends of the second limit block 531, and directions of threads at two ends of the second limit block 531 are opposite.

Specifically, as shown in fig. 11, the second connection end 52 further includes a second connection rod 523, the second connection rod 523 is fixedly disposed on the second slider 521, the second connection rod 523 is disposed toward the gear 32, the second rack 522 is disposed through the second connection rod 523, a second electromagnet 5211 is disposed on a surface of the second slider 521 facing the second rack 522, a first permanent magnet 4221 is disposed on a surface of the second rack 522 facing the second electromagnet 5211, and the second electromagnet 5211 is energized by a positive and negative current to magnetically repel or magnetically attract the second electromagnet 5211 and the first permanent magnet 4221, so that the second rack 522 is engaged with or separated from the gear 32.

Preferably, the second permanent magnet 5221 is the material of the second rack 522 on the side adjacent to the second electromagnet 5211.

It should be noted that the electric wires required for the current to flow through the second electromagnet 5211 are not shown in the drawings, which are common knowledge in the art, and therefore, will not be described in detail in this application.

Specifically, as shown in fig. 6-8, the lamp further includes a second lamp body 6 and a transmission mechanism 7, the second lamp body 6 is rotatably disposed at the lower side of the lamp holder 1, the second lamp body 6 includes a spherical pair 61 and a rotation member 62, the lower side of the lamp holder 1 is provided with a spherical groove 12 adapted to the spherical pair 61, the spherical pair 61 is rotatably connected to the spherical groove 12, the rotation member 62 is fixedly disposed in the spherical pair 61, the rotation member 62 is connected to the second lead screw 53 through the transmission mechanism 7, and the second lead screw 53 rotates to enable the transmission mechanism 7 to drive the rotation member 62 to rotate, so as to adjust the irradiation angle of the second lamp body 6.

Specifically, as shown in fig. 12, the second limiting block 531 is a cylinder, a spline is disposed on the second limiting block 531, a first helical gear 5311 and a third electromagnet 5312 are disposed on the second limiting block 531, the first helical gear 5311 can slide on the second limiting block 531 through the spline, a third permanent magnet 5313 is disposed on one side of the first helical gear 5311 close to the second limiting block 531, the transmission mechanism 7 includes a second helical gear 71, the first helical gear 5311 faces the second helical gear 71, and the third electromagnet 5312 is supplied with a positive and negative current to engage or separate the first helical gear 5311 with or from the second helical gear 71.

Preferably, the material of the first helical gear 5311 near the second stop block 531 is a third permanent magnet 5313.

It should be noted that the wires required for supplying the current to the third electromagnet 5312 are not shown in the drawings, which is common knowledge in the art, and therefore, the details are not described in the present application.

Specifically, as shown in fig. 6 to 12, the transmission mechanism 7 further includes a transmission shaft 72, a first rotating disk 73, a second rotating disk 74, an expansion rod 75 and a third connecting rod 76, the second helical gear 7132 is connected to the first rotating disk 73 through the transmission shaft 72, one end of the expansion rod 75 is connected to the first rotating disk 73, the other end is connected to the second rotating disk 74, one end of the expansion rod 75 is inclined with respect to the first rotating disk 73, the other end of the expansion rod 75 is perpendicular to the second rotating disk 74, one end of the third connecting rod 76 is connected to the second rotating disk 74, and the other end is connected to the rotating member 62.

The application also provides a control method of the double-light-source LED projection lamp, which comprises a remote controller 8, wherein a plurality of function keys are arranged on the remote controller 8, and the function keys comprise:

the left first lamp body is pressed, a first connecting end 42 is connected with a rotating end 3 in a matched mode, the first driving source 41 drives the first connecting end 42 to drive the rotating end 3 to rotate, so that the first lamp body 2 rotates, the left first lamp body key is released, a second connecting end 52 is connected with the rotating end 3 in a matched mode, so that the first lamp body 2 is limited to rotate, and the first connecting end 42 is separated from the rotating end 3;

the right first lamp body is pressed, the other first connecting end 42 is connected with the other rotating end 3 in a matched mode, the first driving source 41 drives the other first connecting end 42 to drive the other rotating end 3 to rotate so as to enable the other first lamp body 2 to rotate, the right first lamp body key is released, the other second connecting end 52 is connected with the other rotating end 3 in a matched mode so as to limit the other first lamp body 2 to rotate, and the other first connecting end 42 is separated from the other rotating end 3;

the first lamp bodies are in the same direction, the first lamp body same-direction key is pressed, the two second connecting ends 52 are separated from the two rotating ends 3 respectively, the two first connecting ends 42 are connected with the two rotating ends 3 in a matched mode respectively, the first driving source 41 drives the two first connecting ends 42 to move in the same direction, so that the two first lamp bodies 2 rotate synchronously, the first lamp body same-direction key is released, and the two first connecting ends 42 are separated from the two rotating ends 3 respectively;

the first lamp body is reversed, the first lamp body reversing key is pressed, the two second connecting ends 52 are separated from the two rotating ends 3 respectively, after the two rotating ends 3 are restored to the initial positions, the two second connecting ends 52 are connected with the two rotating ends 3 in a matched mode respectively, the second driving source 51 drives the two second connecting ends 52 to drive the two first lamp bodies 2 to rotate reversely, the first lamp body reversing key is released, and the two second connecting ends 52 are separated from the two rotating ends 3 respectively;

the second lamp body is pressed down, the third electromagnet 5312 is supplied with positive current to enable the transmission mechanism 7 to be connected with the second lead screw 53 in a matched mode, the second driving source 51 drives the second lead screw 53 to drive the transmission mechanism 7 to operate so as to adjust the irradiation angle of the second lamp body 6, the second lamp body key is loosened, the third electromagnet 5312 is supplied with negative current, the transmission mechanism 7 is separated from the second lead screw 53, and the second lamp body 6 stops rotating;

reset, press the button that resets, two first link ends 42 and two second link ends 52 all with rotate the end 3 separation, torsional spring 31 makes and rotates end 3 and drive first lamp body 2 and reply to initial condition.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims (9)

1. A double-light source LED project lamp is characterized by comprising:

the lamp holder is internally provided with a mounting cavity;

the lamp holder comprises two first lamp bodies, wherein the two first lamp bodies are respectively connected with the lamp holder in a rotating manner;

the number of the rotating mechanisms is two, the rotating mechanisms are provided with rotating ends, the rotating ends are positioned in the mounting cavities, and the two rotating ends can respectively drive the two first lamp bodies to rotate;

the first control mechanism is positioned in the mounting cavity and comprises a first driving source and two first connecting ends, the two first connecting ends correspond to the two rotating ends one by one, the first connecting ends can be matched and connected with or separated from the rotating ends, and the first driving source drives the two first connecting ends to move in the same direction so as to enable the first lamp body to rotate or enable the two first lamp bodies to synchronously rotate in the same direction; and

the second control mechanism is positioned in the mounting cavity and comprises a second driving source and two second connecting ends, the two second connecting ends correspond to the two rotating ends one by one, the second connecting ends can be matched with or separated from the rotating ends, and the second driving source drives the two second connecting ends to move reversely so as to enable the two first lamp bodies to synchronously rotate reversely;

slewing mechanism includes first support arm and second support arm, first lamp body sets firmly on the first support arm, first support arm rotate connect in the second support arm, the second support arm rotate connect in the lamp stand, it is located to rotate the end the bottom of second support arm, rotate the end including the pivot with locate epaxial gear, first support arm rotates and orders about the vertical rotation of first lamp body, it drives to rotate the end the second support arm rotates in order to order about first lamp body transversely rotates, the cover is equipped with the torsional spring in the pivot.

2. A dual light source LED projector as recited in claim 1 wherein: the first control mechanism further comprises a first lead screw, a first limiting block and reciprocating threads are arranged on the first lead screw, the first limiting block is located in the middle of the first lead screw, the first driving source is a motor, the first driving source drives the first lead screw to rotate, the first connecting end comprises two first sliding blocks and two first racks, the first sliding blocks are in threaded connection with the first lead screw, the first racks are in sliding connection with the first sliding blocks, and the two first sliding blocks are located at two ends of the first limiting block respectively.

3. A dual light source LED projector as recited in claim 2 wherein: the first connecting end further comprises a first connecting rod, the first connecting rod is fixedly arranged on the first sliding block, the first connecting rod faces the gear, the first rack is arranged on the first connecting rod in a penetrating mode, a first electromagnet is arranged on one face, facing the first rack, of the first sliding block, a first permanent magnet is arranged on one face, opposite to the first electromagnet, of the first rack, and positive and negative currents are conducted to the first electromagnet, so that the first electromagnet and the first permanent magnet are in magnetic repulsion or magnetic attraction, and therefore the first rack is meshed with or separated from the gear.

4. A dual light source LED projector as recited in claim 1 wherein: the second control mechanism further comprises a second lead screw, a second limiting block and reciprocating threads are arranged on the second lead screw, the second limiting block is located at the middle of the second lead screw, the second driving source is a motor, the second driving source drives the second lead screw to rotate, the second connecting end comprises two second sliding blocks and two second racks, the second sliding blocks are in threaded connection with the second lead screw, the second racks are in sliding connection with the second sliding blocks, the second sliding blocks are located at two ends of the second limiting block respectively, and the thread directions of the two ends of the second limiting block are opposite.

5. A dual light source LED projector as recited in claim 4 wherein: the second link still includes the second connecting rod, the second connecting rod sets firmly on the second slider, just the second connecting rod orientation the gear setting, the second rack is worn to establish on the second connecting rod, the second slider orientation the one side of second rack is equipped with the second electro-magnet, the second rack is relative the one side of second electro-magnet is equipped with the second permanent magnet, the second electro-magnet leads to positive and negative current so that the second electro-magnet with second permanent magnet magnetism repels or magnetism attracts mutually, thereby makes the second rack with gear engagement or separation.

6. A dual light source LED projector as recited in claim 4 wherein: still include second lamp body and drive mechanism, the second lamp body rotationally sets up the downside of lamp stand, the second lamp body includes that the sphere is vice and rotate the piece, the downside of lamp stand seted up with the spherical groove of the vice looks adaptation of sphere, the vice rotation of sphere connect in the spherical groove, rotate the piece set firmly in the sphere is vice, rotate the piece accessible drive mechanism with the cooperation of second lead screw is connected, the second lead screw rotates and makes drive mechanism drives rotate, in order to adjust the angle of shining of second lamp body.

7. A dual light source LED projector as recited in claim 6 wherein: the second stopper is a cylinder, a spline is arranged on the second stopper, a first helical gear and a third electromagnet are arranged on the second stopper, the first helical gear can pass through the spline and slide on the second stopper, the first helical gear is close to a third permanent magnet arranged on one side of the second stopper, the transmission mechanism comprises a second helical gear, the first helical gear faces the second helical gear, and the third electromagnet is connected with positive and negative currents so that the first helical gear is meshed with or separated from the second helical gear.

8. A dual light source LED projector as recited in claim 7 wherein: drive mechanism still includes transmission shaft, first carousel, second carousel, telescopic link and third connecting rod, the second helical gear passes through the transmission shaft with first carousel is connected, the one end of telescopic link with first carousel is connected, the other end with the second carousel is connected, just the one end of telescopic link is relative first carousel slope sets up, the other end of telescopic link is relative the second carousel sets up perpendicularly, the one end of third connecting rod with the second carousel is connected, the other end with rotate the piece and connect.

9. A control method of a double-light source LED projection lamp is characterized in that: providing a remote controller, be equipped with a plurality of function button on the remote controller, the function button includes:

the first lamp body is pressed down, a first connecting end is connected with a rotating end in a matched mode, the first driving source drives one first connecting end to drive one rotating end to rotate so as to enable one first lamp body to rotate, the first lamp body key is released, a second connecting end is connected with one rotating end in a matched mode so as to limit one first lamp body to rotate, and one first connecting end is separated from one rotating end;

the right first lamp body is pressed down, the other first connecting end is connected with the other rotating end in a matched mode, the other first connecting end is driven by the first driving source to drive the other rotating end to rotate so that the other first lamp body rotates, the right first lamp body key is released, the other second connecting end is connected with the other rotating end in a matched mode so that the other first lamp body is limited to rotate, and the other first connecting end is separated from the other rotating end;

the first lamp body is in the same direction, a first lamp body same-direction key is pressed, the two second connecting ends are separated from the two rotating ends respectively, the two first connecting ends are connected with the two rotating ends in a matched mode respectively, the first driving source drives the two first connecting ends to move in the same direction, so that the two first lamp bodies rotate synchronously, the first lamp body same-direction key is loosened, and the two first connecting ends are separated from the two rotating ends respectively;

the first lamp body is reversed, the first lamp body reversing key is pressed, the two second connecting ends are separated from the two rotating ends respectively, after the two rotating ends are returned to the initial positions, the two second connecting ends are connected with the two rotating ends in a matched mode respectively, the two second connecting ends are driven by the second driving source to drive the two first lamp bodies to rotate reversely, the first lamp body reversing key is released, and the two second connecting ends are separated from the two rotating ends respectively;

the second lamp body is pressed down, positive current is introduced into the third electromagnet, the transmission mechanism is connected with the second screw rod in a matched mode, the second driving source drives the second screw rod to drive the transmission mechanism to operate so as to adjust the irradiation angle of the second lamp body, the second lamp body key is released, negative current is introduced into the third electromagnet, the transmission mechanism is separated from the second screw rod, and the second lamp body stops rotating;

resetting, pressing a reset key, separating the first connecting end and the second connecting end from the rotating end, and enabling the rotating end to drive the first lamp body to return to the initial state by a torsional spring.

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