Abstract: Provided is a two-stage reverse-torque bent screw orientation tool. An existing bent screw orientation technology has the technical problems of large friction resistance, difficult control of a borehole track, a low drilling speed and the like, and restricts economic, safe and long-acting development of oil and gas. In order to solve the above problems, the two-stage reverse-torque bent screw orientation tool is invented and composed of a first-stage clutch mechanism and a second-stage clutch mechanism, and the first-stage clutch mechanism and the second-stage clutch mechanism are both composed of a battery, a battery compartment, a pressure sensor, an electromagnetic valve, a body, a plug, a piston, an outer tooth cylinder, an inner tooth cylinder, a transmission cylinder, a connecting cylinder, a bearing, a limiting cylinder, a lower joint, a thrust bearing, a battery compartment, a circuit board, a cover plate and the like.

Abstract: Disclosed are a wireless remote control method and system for controllable rotary sliding guiding drilling. An upper end of a controllable rotary sliding guiding drilling mechanism is provided with a drill rod; and the wireless remote control system for controllable rotary sliding guiding drilling further comprises: an MWD arranged at a lower end of the controllable rotary sliding guiding drilling mechanism; a bent screw drill tool mounted at a lower end of the MWD; a drill bit mounted at a lower end of the bent screw drill tool, the drill bit being connected with the bent screw drill tool through a connector; and a clutch module mounted on the controllable rotary sliding guiding drilling mechanism, the clutch module comprising an electromagnetic valve, a processor, an internal pipe pressure sensor, an external pipe pressure sensor and a wireless data transmission module.

Abstract: A Fresnel lens in a lens body, the lens body is provided with a light incident surface and a light exit surface opposite to each other along a first direction, and the light exit surfaces are adjacently arranged in a second direction perpendicular to the first direction. There are several protruding teeth, and the protruding teeth are formed by an effective surface and an ineffective surface, and the ineffective surface is inclined at an acute angle relative to the first direction. The invention makes the light passing through the lens body reach the effective surface as much as possible, thereby reducing stray light and enhancing light efficiency.

Abstract: A lens and light source module include: a light receiving surface; a light distribution surface, along the optical axis direction set opposite to the light receiving surface; light receiving surface away from the optical axis center region to form N groups of projection, where N?1; each with a first incident surface and a first reflective surface. The first incident surface is adapted to refracting light to the first reflective surface; the first reflective surface is adapted to reflecting light to a light distribution surface and refracting light to a display by the light distribution surface. The lens provided by the present invention enables the majority of light to be directed to the shelf in a targeted manner, which is conducive to achieving balanced light distribution and enhancing light efficiency.

Abstract: A line source lighting system including the following: lamp holder; printed circuit board; a plurality of point light sources; at least one lens, located in a light-emitting direction of the point light source for adjusting the light distribution of the point light source on a plane perpendicular to the length direction of the lamp holder; strip-shaped convex lens array, arranged along the length direction of the lamp holder for converting each point light source into a plurality of continuous sub-point light sources, the sub-point light sources converted by the adjacent point source is connected or coincident. the invention adopts a strip-shaped convex lens array for diffusing light from the point source only in the length direction of the lamp holder to form a line source, which can well prevent the light from diffusing in multiple directions, so that the line source get purified.

Abstract: A track adapter has a mounting seat, an electrical supply column, an adjustment conductive portion, and an adjustment knob, and a drive mechanism. As to the track adapter and the driving power supply with the track adapter and the track light, the lamp holder of the track lamp can wrap the whole track, which is neat and beautiful, and solve the problem of difficult phase adjustment of adaptor in the prior art at the same time. The phase adjustment knob is shrunk and put on the top of the adaptor, which solves the adjustment problem and adapts to more occasions, so that the structural design of the track lamp is more flexible.

Abstract: A track adapter has a mounting seat, an electrical supply column, an adjustment conductive portion, and an adjustment knob, and a drive mechanism. As to the track adapter and the driving power supply with the track adapter and the track light, the lamp holder of the track lamp can wrap the whole track, which is neat and beautiful, and solve the problem of difficult phase adjustment of adaptor in the prior art at the same time. The phase adjustment knob is shrunk and put on the top of the adaptor, which solves the adjustment problem and adapts to more occasions, so that the structural design of the track lamp is more flexible.

Abstract: A line source lighting system including the following: lamp holder; printed circuit board; a plurality of point light sources; at least one lens, located in a light-emitting direction of the point light source for adjusting the light distribution of the point light source on a plane perpendicular to the length direction of the lamp holder; strip-shaped convex lens array, arranged along the length direction of the lamp holder for converting each point light source into a plurality of continuous sub-point light sources, the sub-point light sources converted by the adjacent point source is connected or coincident. the invention adopts a strip-shaped convex lens array for diffusing light from the point source only in the length direction of the lamp holder to form a line source, which can well prevent the light from diffusing in multiple directions, so that the line source get purified.

Abstract: A dimming track lamp has a detachable assembly housing with a power supply track, a control circuit board electrically connected with the power supply track, a lamp body arranged on the assembly housing, a printed circuit board arranged in the lamp body, a light source on the printed circuit board and an optical element arranged in the light output direction of the light source. The control circuit board has a power supply module which is electrically connected with the power supply track, a signal input module, a signal processing module for analyzing and calculating the input signal and generating a control signal, and a signal output module for outputting the control signal to the printed circuit board. The light source has a warm light source and a cold light source, the control signal is used to control the light output of the warm light source and the cold light source.

Abstract: A line source lighting system including the following: lamp holder; printed circuit board; a plurality of point light sources; at least one lens, located in a light-emitting direction of the point light source for adjusting the light distribution of the point light source on a plane perpendicular to the length direction of the lamp holder; strip-shaped convex lens array, arranged along the length direction of the lamp holder for converting each point light source into a plurality of continuous sub-point light sources, the sub-point light sources converted by the adjacent point source is connected or coincident. the invention adopts a strip-shaped convex lens array for diffusing light from the point source only in the length direction of the lamp holder to form a line source, which can well prevent the light from diffusing in multiple directions, so that the line source get purified.

Abstract: A magnetic induction switch has a base; a mounting cavity is arranged in the base; an induction circuit board is arranged in the mounting cavity and a Hall induction element is provided; a rotating cover is rotated on the base and is provided with at least two positioning points on the rotating path; the magnet is provided in the rotating cover, and the position of the magnet relative to the Hall induction element changes during the rotation of the rotating cover so that the induction circuit board generates control signals; the magnetic induction switch of the invention is waterproof, avoids hidden trouble existing in the ignition of the mechanical switch, and has the advantages of simple structure and convenient manufacture.

Abstract: An optical element includes a rectangular light guide plate, a light source setting portion, a parallel light lens group, and a total reflection lens group, disposed between the parallel light lens group and the first side surface, a part of the parallel light from the parallel light lens group is subjected to total reflection at least once to form a first parallel light parallel to the front surface, and the first parallel light enters the first side surface to make the second side surface emit light; another part of the parallel light from the parallel light lens group is totally reflected at least twice to form a second parallel light oblique to the front surface, and the second parallel light enters the first side surface to make the front surface emit light.

Abstract: The invention discloses a lighting lamp comprising strip lamp holder, circuit board, light source and strip lens; the strip lens comprises light incident surface, two first total reflection surfaces located outside the light incident surface and respectively disposed on both sides of the main optical axis, two first light emitting surfaces respectively disposed on both sides of the main optical axis and located between the light incident surface and the first total reflection surface, two second total reflection surfaces located outside the light incident surface and respectively disposed on both sides of the main optical axis, and two second light emitting surfaces respectively disposed on both sides of the main optical axis and located between the second total reflection surface and the first light emitting surface on the same side. The lighting lamp of the present invention obtains a larger illumination range on the illumination surface with more uniform lighting.

Abstract: A dimming track lamp has a detachable assembly housing with a power supply track, a control circuit board electrically connected with the power supply track, a lamp body arranged on the assembly housing, a printed circuit board arranged in the lamp body, a light source on the printed circuit board and an optical element arranged in the light output direction of the light source. The control circuit board has a power supply module which is electrically connected with the power supply track, a signal input module, a signal processing module for analyzing and calculating the input signal and generating a control signal, and a signal output module for outputting the control signal to the printed circuit board. The light source has a warm light source and a cold light source, the control signal is used to control the light output of the warm light source and the cold light source.

Abstract: A showcase strip lamp includes a lamp tube, having a tube wall provided with a plurality of first light emitting holes arranged at intervals in the length direction; a circuit board, disposed in the lamp tube and being with the front face facing the first light emitting hole; a plurality of light sources, corresponding to each first light emitting hole and arranged on the circuit board; a heat conducting member, being contact-connected between the back of the circuit board and the inner wall of the lamp tube; and an end cover assembly, disposed on ends of the lamp tube. The heat on the circuit board are quickly conducted to the lamp tube through the heat conducting member, and the lamp tube is only provided with a first light emitting hole for light output, and the lamp tube is used for heat dissipation as a whole.

Abstract: The invention discloses a strip light fixture, comprising lamp holder; circuit board, disposed on the lamp holder; a plurality of point light sources, disposed on the light source mounting surface of the circuit board along the length direction of the strip light fixture; lens, disposed on the lamp holder in a light-emitting direction of the point light source for adjusting light distribution of the point light source on a plane perpendicular to a length direction of the strip light fixture; strip-shaped convex lens array, disposed on an light emitting surface or an light incident surface of the lens and arranged along the length direction of the strip light fixture for converting each point light source into a plurality of consecutive sub point light sources, and the sub point light source converted by the adjacent point light source is docked or coincident.

Abstract: A showcase strip lamp includes a lamp tube, having a tube wall provided with a plurality of first light emitting holes arranged at intervals in the length direction; a circuit board, disposed in the lamp tube and being with the front face facing the first light emitting hole; a plurality of light sources, corresponding to each first light emitting hole and arranged on the circuit board; a heat conducting member, being contact-connected between the back of the circuit board and the inner wall of the lamp tube; and an end cover assembly, disposed on ends of the lamp tube. The heat on the circuit board are quickly conducted to the lamp tube through the heat conducting member, and the lamp tube is only provided with a first light emitting hole for light output, and the lamp tube is used for heat dissipation as a whole.

Abstract: The invention discloses a lighting lamp comprising strip lamp holder, circuit board, light source and strip lens; the strip lens comprises light incident surface, two first total reflection surfaces located outside the light incident surface and respectively disposed on both sides of the main optical axis, two first light emitting surfaces respectively disposed on both sides of the main optical axis and located between the light incident surface and the first total reflection surface, two second total reflection surfaces located outside the light incident surface and respectively disposed on both sides of the main optical axis, and two second light emitting surfaces respectively disposed on both sides of the main optical axis and located between the second total reflection surface and the first light emitting surface on the same side. The lighting lamp of the present invention obtains a larger illumination range on the illumination surface with more uniform lighting.