CN211399661U

CN211399661U - Rotation angle limiting compensation lamp

Info

Publication number: CN211399661U
Application number: CN201921262079.XU
Authority: CN
Inventors: 伍必胜
Original assignee: Guangdong Epcol Lighting Co ltd
Current assignee: Guangdong Yigu Lighting Co.,Ltd.
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-09-01
Anticipated expiration: 2029-08-06

Abstract

A rotation angle limiting compensation lamp comprises a machine box and a lamp box, wherein the machine box is provided with an X rotating shaft used for connecting a mounting point and a Y rotating shaft used for connecting the lamp box, an X-axis motor and a Y-axis motor are arranged in the machine box, the X-axis motor is connected with the X rotating shaft through an angle compensation device, the Y-axis motor is connected with the Y rotating shaft through a double-point limiting device, and a variable-focus lamp is arranged in the lamp box; through angle compensation arrangement, make the utility model discloses lamps and lanterns can positive negative rotation 180 degrees smoothly, reduce the blind area in the use, reduce the noise, effectively reduce because of transshipping and lead to the emergence of the condition that the driver part burns out.

Description

Rotation angle limiting compensation lamp

Technical Field

The utility model relates to a lamps and lanterns field especially relates to a spacing compensation lamps and lanterns of rotation angle.

Background

Various rotating lamps in the market generally install the lamp in one or more rotating parts arranged in series, so as to achieve the purpose of driving the lamp to rotate.

The wire is inevitably lengthened when the rotating part rotates, and the maximum rotating range of the rotating part is limited to positive and negative half circles due to the consideration of use safety, the existing solution is that a limiting block for blocking the rotating part and a blocking block matched with the limiting block are arranged in the rotating part, so that the rotating part cannot rotate to the position of the limiting block, and the rotating part can only rotate the positive and negative half circles, but the limiting block cannot be a point with zero width in reality, so that the maximum rotating angle of the rotating part cannot reach positive and negative 180 degrees and is at most positive and negative 170 degrees, a relatively large use blind area is caused to the rotating lamp, and the principle of the blind area caused by the volume of the limiting block is shown in figure 1;

the existing rotating part lacks a rotating limit position warning device, when the rotating part rotates to the limit position, an execution part of the rotating part is in an overload state, and a control module can judge whether the rotating part reaches the maximum rotating angle only by identifying an overload signal of a driving part, so that the driving part is easy to burn out; meanwhile, the rotating component has abnormal sound when approaching the limit stroke.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rotation angle limit compensation lamp for solving the above problems, which comprises a machine box and a lamp box, wherein the machine box is provided with an X rotating shaft for connecting a mounting point and a Y rotating shaft for connecting the lamp box, an X-axis motor and a Y-axis motor are arranged in the machine box, the X-axis motor is connected with the X rotating shaft through an angle compensation device, the Y-axis motor is connected with the Y rotating shaft through a double-point limit device, and a variable-focus lamp is arranged in the lamp box;

the angle compensation device comprises a driven gear fixed on the X-axis rotating shaft, a driving gear fixed on an output shaft of the X-axis motor, a first inductor, a compensation sheet sleeved on the X-axis rotating shaft and a limiting groove for limiting the rotation of the compensation sheet; driven gear and driving gear meshing, the protruding first response piece that is equipped with in driven secondary wheel surface, the protruding first response piece that is equipped with in driven gear surface, the compensator is located same one side with first response piece, first response piece can promote the compensator rotation when rotating along with driven gear, the place that first response piece motion trail and compensator motion trail projection coincidence on first response piece orbit is called the inductor installation area, first inductor installation area sets up at inductor installation area middle part.

Preferably, the compensating plate comprises a circular ring-shaped round sleeve with the inner diameter being the same as the diameter of the X rotating shaft, a long-strip-shaped compensating block is arranged on the side face of the round sleeve, and when the compensating block rotates along with the round sleeve, the compensating block swings in the limiting groove.

Preferably, the double-point limiting device comprises an input gear fixed on the Y rotating shaft, an output gear fixed on the output shaft of the Y-axis motor, a second sensor and a third sensor, wherein a second sensing block is convexly arranged on the surface of the input gear, and the second sensing block can trigger the second sensor or the third sensor in the rotating process along with the input gear.

Preferably, the second sensor and the third sensor are both arranged on the motion track of the second sensing block, and the angles of the second sensor and the third sensor with the clamp of the connecting line of the dots of the motion track of the second sensing block are 90-180 degrees.

Preferably, the lamp with the variable focus comprises a lifting module, the lifting module is connected with a lamp radiator, a lamp wick is installed on the lamp radiator, and a light lens is arranged at a lower dead point of the movement of the lamp wick along the movement track of the lamp wick.

The beneficial effects of the utility model reside in that: through angle compensation arrangement, make the utility model discloses lamps and lanterns can positive negative rotation 180 degrees smoothly, reduce the blind area in the use, reduce the noise, effectively reduce because of transshipping and lead to the emergence of the condition that the driver part burns out.

Drawings

FIG. 1 is a schematic diagram of a prior art rotating component causing a blind spot;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic view of the internal structure of the lamp box of the present invention;

FIG. 4 is a partially enlarged schematic view of a three-dimensional structure of the angle compensation device;

FIG. 5 is a front view of the angle compensating device;

FIG. 6 is a schematic structural view of a double-point limiting device;

FIG. 7 is an exploded view of the construction of a variable focus light fixture;

Detailed Description

The invention will be further elucidated with reference to the accompanying drawings:

as shown in fig. 2 and 3, a rotation angle limiting compensation lamp comprises a machine box 1 and a lamp box 2, wherein the machine box 1 is provided with an X-axis rotating shaft 3 used for connecting a mounting point and a Y-axis rotating shaft 4 used for connecting the lamp box 2, an X-axis motor 5 and a Y-axis motor 6 are installed inside the machine box 1, the X-axis motor 5 is connected with the X-axis rotating shaft 3 through an angle compensation device 8, the Y-axis motor 6 is connected with the Y-axis rotating shaft 4 through a double-point limiting device 9, a variable-focus lamp 7 is arranged inside the lamp box 2, and spaces for placing wires are arranged inside the X-axis rotating shaft 3 and the Y-axis rotating shaft;

as shown in fig. 3, 4 and 5, the angle compensation device 8 includes a driven gear 81 fixed on the X-axis shaft 3, a driving gear 82 fixed on the output shaft of the X-axis motor 5, a first sensor 83, a compensator 84 sleeved on the X-axis shaft 3, and a limit slot 85 for limiting the rotation of the compensator 84; the driven gear 81 is engaged with the driving gear 82, a first induction block 86 is convexly arranged on the surface of the driven gear 81, the compensation plate 84 and the first induction block 86 are positioned on the same side, so that the first induction block 86 can push the compensation plate 84 to rotate when rotating along with the driven gear 81, the compensation plate 84 is matched with the limiting groove 85, the thickness of the first induction block 86 is larger than that of the limiting plate, after the compensation plate 84 is installed in place, the first induction block 86 is still higher than the compensation plate 84, a place where the track of the first induction block 86 is overlapped with the projection of the motion track of the compensation plate 84 on the track of the first induction block 86 is called an inductor installation belt, the first inductor 83 installation belt is arranged in the middle of the inductor installation belt, the first inductor 83 can only be triggered by the part of the first induction block 86, which is higher than the compensation plate 84, and the width of the limiting groove 85 meets the requirement that when the first induction block 86 triggers the first inductor 83, the compensator 84 has traveled to the end of its travel.

As shown in fig. 5, the compensating plate 84 includes a circular ring-shaped sleeve 841 having an inner diameter equal to the diameter of the X-axis 3, a strip-shaped compensating block 842 is disposed on a side surface of the sleeve 841, and when the compensating block 842 rotates along with the sleeve 841, the compensating block 842 swings in the limiting groove 85.

As shown in fig. 6, the double-point limiting device 9 includes an input gear 91 fixed on the Y-axis 4, an output gear 92 fixed on the output shaft of the Y-axis motor 6, a second sensor 93, and a third sensor 94, wherein a second sensing block 95 is protruded on the surface of the input gear 91, and the second sensing block 95 can trigger the second sensor 93 or the third sensor 94 during the rotation process of the input gear 91.

As shown in fig. 6, the second sensor 93 and the third sensor 94 are both disposed on the motion track of the second sensing block 95, and the clamp angle between the second sensor 93 and the third sensor 94 and the connection line of the dots of the motion track of the second sensing block 95 is 90 degrees to 180 degrees.

As shown in fig. 7, the lamp 7 that can zoom includes a lift module 71, lift module 71 is connected with lamp radiator 72, lamp radiator 72 installs wick 73, along the movement track of wick 73, is provided with light lens 74 at the lower dead center of wick 73 motion, makes the light of wick 73 can see through light lens 74 and jets out, lift module 71 includes a precision lead screw 75 of installing in lamp house 2, precision lead screw 75 is connected with the mounting panel that is used for installing the radiator, the drive of inseparable lead screw through the driving motor who sets up in lamp house 2.

The device has the following specific working principle:

the lamp box 2 where the lamp is located is driven by the Y-axis motor 6 through the Y rotating shaft 4 and the double-point limiting device 9, the rotation of the lamp in the Y-axis direction is limited in a set range, and the rotation range of the lamp in the Y-axis direction can meet the requirements of plus and minus 180 degrees through the X rotating shaft 3 and the transmission of the angle compensation device 8 under the drive of the X-axis motor 5.

The working principle of the angle compensation device 8 is as follows: driven gear 81 and driving gear 82 intermeshing, on transmitting the moment of torsion of X axle motor 5 to X pivot 3, order that machine box 1 is rotatory, it is rotatory around the X axle to drive the lamps and lanterns, compensator 84 cup joints on the X axle, and under the effect of spacing groove 85, can only rotate certain angle, when driven gear 81 is rotatory to the extreme angle, first response piece 86 contacts with compensator 84 earlier, and in the follow-up rotation of constantly promoting compensator 84, when compensator 84 moves to the stroke end, first response piece 86 just triggers first inductor 83, follow-up according to the signal of first inductor 83, stop the motion of X axle motor 5, prevent that X axle motor 5 from transshipping.

The working principle of the double-point limiting device 9 is as follows: the input gear 91 and the output gear 92 are meshed with each other, the torque of the Y-axis motor 6 is transmitted to the Y device, the trend lamp box 2 rotates to drive the lamp to rotate around the Y axis, the input gear 91 is limited to rotate within the range defined by the second sensor 93 and the third sensor 94, when the input gear 91 rotates to the limit position, the second sensor block 95 triggers the second sensor 93 or the third sensor 94, and then the movement of the Y-axis motor 6 is stopped according to the signal of the second sensor 93 or the third sensor 94, so that the Y-axis motor 6 is prevented from being overloaded.

The working principle of the variable-focus lamp 7 is as follows: the lifting module 71 drives the lamp wick 73 to move up and down, so that the focal length of the emitted light is changed, the heat is exchanged between the radiator and the air, and the temperature is reduced.

The above-mentioned embodiments are merely preferred examples of the present invention, and do not limit the scope of the present invention, so all equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims

1. A rotation angle limiting compensation lamp is characterized by comprising a machine box and a lamp box, wherein the machine box is provided with an X rotating shaft used for connecting a mounting point and a Y rotating shaft used for connecting the lamp box, an X-axis motor and a Y-axis motor are arranged in the machine box, the X-axis motor is connected with the X rotating shaft through an angle compensation device, the Y-axis motor is connected with the Y rotating shaft through a double-point limiting device, and a variable-focus lamp is arranged in the lamp box;

the angle compensation device comprises a driven gear fixed on the X-axis rotating shaft, a driving gear fixed on an output shaft of the X-axis motor, a first inductor, a compensation sheet sleeved on the X-axis rotating shaft and a limiting groove for limiting the rotation of the compensation sheet; the driven gear is meshed with the driving gear, a first induction block is convexly arranged on the surface of the driven gear, the compensation plate and the first induction block are located on the same side, the first induction block can push the compensation plate to rotate when rotating along with the driven gear, the position where the motion trail of the first induction block and the projection of the motion trail of the compensation plate coincide on the track of the first induction block is called an inductor installation belt, and the first inductor installation belt is arranged in the middle of the inductor installation belt.

2. The lamp of claim 1, wherein the compensation plate comprises a circular ring having an inner diameter equal to the diameter of the X-axis, and a strip-shaped compensation block is disposed on a side surface of the circular ring, and swings in the limiting groove when rotating with the circular ring.

3. The lamp of claim 1, wherein the double-point limiting device comprises an input gear fixed on the Y-axis, an output gear fixed on the output shaft of the Y-axis motor, a second sensor, and a third sensor, wherein a second sensing block is protruded on the surface of the input gear, and the second sensing block can trigger the second sensor or the third sensor during the rotation of the input gear.

4. The lamp with the rotation angle limit compensation function as claimed in claim 3, wherein the second inductor and the third inductor are both arranged on a motion track of the second induction block, and the clamp angle between the second inductor and a connection line of dots of the motion track of the second induction block is 90-180 degrees.

5. The lamp with the rotation angle limiting compensation function as claimed in claim 1, wherein the lamp with the variable focus comprises a lifting module, the lifting module is connected with a lamp radiator, the lamp radiator is provided with a wick, and a lamp lens is arranged at a bottom dead center of movement of the wick along a movement track of the wick.