Holder transmission structure

Abstract

The utility model relates to a cradle head transmission structure which comprises a visual sensor, a two-shaft transmission cradle head and a base, vertical rotating shafts which are symmetrically arranged are fixedly arranged on the two sides of the visual sensor, the vertical rotating shafts are rotatably connected in a U-shaped groove of the two-shaft transmission cradle head, and a horizontal transmission shaft is arranged in the center of the bottom of the two-shaft transmission cradle head in a penetrating mode. One end of the horizontal transmission shaft is fixedly connected with the two-shaft transmission holder, and the other end is rotationally connected to the base; according to the utility model, 360-degree rotation in the horizontal direction and the vertical direction can be realized, the vertical wheel groove and the horizontal wheel groove can directly reflect the horizontal rotation angle and the vertical rotation angle of the pan-tilt by arranging the two encoders, and the horizontal rotation angle and the vertical rotation angle are transmitted to the two encoders through the round belt, so that the pan-tilt can be accurately positioned. Therefore, the rotation angles of the cradle head in the horizontal direction and the vertical direction are accurately recognized, the deviation between the actual rotation angle and the preset angle value is calculated and corrected, and the transmission precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to video monitoring technical field, specifically, relate to a cloud platform transmission structure. BACKGROUND

[0002] At present, the traditional cloud platform camera is through the control installation on X axle and Y axle step motor realizes the rotation of cloud platform in X axle (horizontal direction) and Y axle (vertical direction), along with the development of visual image processing technology, more and more cloud platform cameras can realize automatic adjustment picture angle and automatic follow the track of moving object in picture according to image processing, this needs to pass through image signal transformation control instruction, again the control instruction is delivered to the motor chip of step motor, this needs that step motor can strictly execute control instruction, and with to make cloud platform can accurately move to preset angle, but the monitoring feedback of traditional cloud platform transmission structure to step motor is insufficient, cannot judge whether the motor control cloud platform moves to preset angle, and due to the existence mechanism defect and gear error, will lead to motor out of step and cumulative error, at this moment, need to make cloud platform camera return to X axle origin and Y axle origin, correct the working state of step motor.

[0003] Patent CN208011213U discloses a kind of high-precision heavy load cloud platform camera, by setting left and right execution mechanism and upper and lower execution mechanism, and in main body and rotating shaft are set left and right rotary encoder and upper and lower rotary encoder, identify the rotation angle and position of cloud platform camera, improve the accuracy of cloud platform camera rotation control;But the scheme is realized rotation by worm gear, but worm has length, when worm moves to end, must reverse to move to another end, the limitation of cloud platform rotation angle is greater, and, deviation caused by power-off displacement cannot be corrected, and use limitation is higher. UTILITY MODEL CONTENT

[0004] In order to solve the technical problem of how to make the cloud platform rotation angle accurate and correctable for abnormal state, the utility model provides a kind of cloud platform transmission structure.

[0005] The purpose of the utility model can be realized by the following technical solutions:

[0006] A kind of cloud platform transmission structure, including visual inductor, two-axis transmission cloud platform and base.

[0007] Two-axis transmission cloud platform is "U" shape, visual inductor both sides are fixedly provided with the vertical rotation shaft of symmetrical arrangement, vertical rotation shaft is rotatably connected in the "U" shape recess of two-axis transmission cloud platform, horizontal transmission shaft is set in the central part of two-axis transmission cloud platform bottom, one end of horizontal transmission shaft is fixedly connected with two-axis transmission cloud platform, the other end is rotatably connected on base, the rotation direction of visual inductor and two-axis transmission cloud platform is vertical direction, the rotation direction of two-axis transmission cloud platform and base is horizontal direction.

[0008] The visual sensor is provided with a camera module and a photosensitive module.

[0009] Further, the two-axis transmission holder is internally provided with a U-shaped base, and horizontal and vertical motors are fixedly arranged at the two sides of the bottom of the U-shaped base; horizontal and vertical encoders are fixedly arranged on the U-shaped base at the sides of the horizontal and vertical motors.

[0010] Further, the vertical rotating shafts penetrate the U-shaped base, and a vertical pulley is fixedly arranged on one of the vertical rotating shafts, and a vertical wheel groove is arranged between the vertical pulley and the U-shaped base; a horizontal pulley and a horizontal wheel groove are fixedly arranged on the horizontal transmission shaft.

[0011] Further, the output end of the vertical motor is in transmission with the vertical pulley through a synchronous belt, and the output end of the horizontal motor is in transmission with the horizontal pulley through a synchronous belt; the vertical encoder is connected with the vertical wheel groove through a round belt, and the horizontal encoder is connected with the horizontal wheel groove through a round belt.

[0012] Further, the horizontal transmission shaft penetrates the middle part of the U-shaped base, and the horizontal transmission shaft is sequentially and fixedly sleeved with a conductive slip ring, an optical coupling piece, a horizontal wheel groove and a horizontal pulley from top to bottom.

[0013] Further, the optical coupling piece is provided with an optical coupling device, and the optical coupling device is fixedly arranged on the U-shaped base.

[0014] Further, the horizontal transmission shaft is further provided with a pin header at the top.

[0015] Further, one end of the vertical encoder is provided with a vertical pulley, and one end of the horizontal encoder is provided with a horizontal pulley, and the vertical and horizontal pulleys are used for being connected with the round belt.

[0016] Further, the vertical pulley is arranged outside the U-shaped base, and the vertical wheel groove is arranged between the vertical pulley and the U-shaped base.

[0017] The beneficial effects of the utility model are as follows:

[0018] The utility model discloses two motors control the rotation angle of holder through synchronous belt, can realize 360 DEG rotation in horizontal direction and vertical direction, set up two encoders, and connect the encoder with vertical wheel groove and horizontal wheel groove through round belt, and vertical wheel groove and horizontal wheel groove can directly reflect the horizontal rotation angle and vertical rotation angle of holder, and the horizontal rotation angle and vertical rotation angle are transmitted to two encoders through round belt, thereby accurately identifying the rotation angle of holder in horizontal direction and vertical direction, and calculating the deviation of actual rotation angle and preset angle value, and correcting it, thereby improving the transmission accuracy of the utility model holder.

[0019] The utility model discloses a light coupling and light coupling piece are set up on horizontal transmission shaft, make the gimbal of the utility model can set initial position, can be reset to the rotation angle of gimbal after the position deviation of abnormal power failure through returning to initial position. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduce, obviously, the following description in the drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0021] Figure 1 It is the whole structure schematic diagram of the utility model;

[0022] Figure 2 It is the inside structure front isometric drawing of the utility model;

[0023] Figure 3 It is the inside structure back isometric drawing of the utility model;

[0024] Figure 4 It is Figure 3 The enlarged view of A in the figure.

[0025] In the drawing, the component list represented by each sign is as follows:

[0026] 1, visual sensor;101, camera module;102, photosensitive module;103, vertical rotating shaft;104, vertical pulley;105, vertical wheel groove;2, two-axis transmission holder;201, U-shaped base;202, vertical motor;203, vertical encoder;2031, vertical pulley;204, horizontal motor;205, horizontal encoder;2051, horizontal pulley;3, horizontal transmission shaft;301, horizontal pulley;302, horizontal wheel groove;303, photocoupler;304, photocoupling piece;305, conductive slip ring;306, row pin joint;4, base. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled person in the art without making creative labor belong to the scope of protection of the utility model.

[0028] Please refer to Figure 1 As shown in the figure, a holder transmission structure includes visual sensor 1, two-axis transmission holder 2 and base 4.

[0029] The visual sensor 1 is a rectangular module, the visual sensor 1 is provided with a camera module 101 and a photosensitive module 102, and the vertical rotating shafts 103 arranged symmetrically are fixed on both sides of the visual sensor 1. The two-axis transmission holder 2 is in the shape of U, the visual sensor 1 is rotationally connected in the U-shaped groove of the two-axis transmission holder 2, the base 4 of the two-axis transmission holder 2 is rotationally connected to the base 4, the rotation direction of the visual sensor 1 and the two-axis transmission holder 2 is vertical, and the rotation direction of the two-axis transmission holder 2 and the base 4 is horizontal.

[0030] Please refer to Figures 2-4 As shown in the figure, the vertical rotating shafts 103 fixed on both sides of the visual sensor 1 are rotationally connected to the U-shaped base 201 through the two sides of the U-shaped base 201, the vertical rotating shaft 103 on one side of the visual sensor 1 is fixed with a vertical pulley 104, the vertical pulley 104 is arranged outside the U-shaped base 201, and a vertical wheel groove 105 is arranged between the vertical pulley 104 and the U-shaped base 201.

[0031] A vertical motor 202 is fixed on one side of the bottom of the U-shaped base 201, the output end of the vertical motor 202 is located on the same vertical plane as the vertical pulley 104, a vertical encoder 203 is arranged on one side of the vertical motor 202, one end of the vertical encoder 203 is provided with a vertical pulley 2031, the vertical pulley 2031 is located on the same vertical plane as the vertical wheel groove 105, the vertical pulley 104 is driven by a synchronous belt, and the vertical encoder 203 and the vertical wheel groove 105 are driven by a round belt.

[0032] A horizontal transmission shaft 3 is arranged through the center of the bottom of the U-shaped base 201, the horizontal transmission shaft 3 is provided with a pin header 306 at the top, and a conductive slip ring 305, an optocoupler 304, a horizontal wheel groove 302 and a horizontal pulley 301 are sequentially fixed on the horizontal transmission shaft 3 from top to bottom. The bottom of the horizontal transmission shaft 3 is rotationally arranged on the base 4, and the optocoupler 304 is provided with an optocoupler 303 on one side, and the optocoupler 303 is fixed on the U-shaped base 201.

[0033] A horizontal motor 204 is fixed on the other side of the bottom of the U-shaped base 201, a horizontal encoder 205 is arranged on one side of the horizontal motor 204, and a horizontal pulley 2051 is arranged at one end of the horizontal encoder 205. The horizontal pulley 2051 is located on the same horizontal plane as the horizontal wheel groove 302, the horizontal pulley 301 is driven by a synchronous belt, and the horizontal encoder 205 and the horizontal wheel groove 302 are driven by a round belt.

[0034] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The above is only an example and description of the structure of the present application, and various modifications or supplements or similar replacements of the described specific embodiments can be made by those skilled in the art, as long as they do not deviate from the structure of the application or exceed the scope defined by the present claims.

Claims

1. A cloud platform transmission structure, characterized in that, It comprises a visual sensor (1), a two-axis transmission holder (2) and a base (4); The two-axis transmission holder (2) is in the shape of "U", and vertical rotating shafts (103) are symmetrically arranged on both sides of the visual sensor (1) and are rotatably connected in the "U"-shaped groove of the two-axis transmission holder (2); a horizontal transmission shaft (3) is arranged through the center of the bottom of the two-axis transmission holder (2), one end of the horizontal transmission shaft (3) is fixedly connected with the two-axis transmission holder (2), and the other end is rotatably connected with the base (4); the rotating direction of the visual sensor (1) and the two-axis transmission holder (2) is vertical, and the rotating direction of the two-axis transmission holder (2) and the base (4) is horizontal. The visual sensor (1) is provided with a camera module (101) and a photosensitive module (102).

2. The gimbal transmission structure according to claim 1, characterized in that, The two-axis transmission holder (2) is internally provided with a U-shaped base (201), and horizontal motors (204) and vertical motors (202) are fixedly arranged on both sides of the bottom of the U-shaped base (201); horizontal encoders (205) and vertical encoders (203) are fixedly arranged on the U-shaped base (201) on the sides of the horizontal motors (204) and the vertical motors (202), respectively.

3. The gimbal transmission structure according to claim 2, characterized in that, The vertical rotating shafts (103) are arranged through the U-shaped base (201), one of the vertical rotating shafts (103) is fixedly provided with a vertical pulley (104), and a vertical wheel groove (105) is arranged between the vertical pulley (104) and the U-shaped base (201); the horizontal transmission shaft (3) is fixedly provided with a horizontal pulley (301) and a horizontal wheel groove (302).

4. The gimbal transmission structure according to claim 3, characterized in that, The output end of the vertical motor (202) is in synchronous belt transmission with the vertical pulley (104), and the output end of the horizontal motor (204) is in synchronous belt transmission with the horizontal pulley (301); the vertical encoder (203) is connected with the vertical wheel groove (105) through a round belt, and the horizontal encoder (205) is connected with the horizontal wheel groove (302) through a round belt.

5. The gimbal transmission structure according to claim 4, characterized in that, The horizontal transmission shaft (3) is arranged through the middle part of the U-shaped base (201), and the horizontal transmission shaft (3) is sequentially fixedly sleeved with a conductive slip ring (305), an optical coupling piece (304), the horizontal wheel groove (302) and the horizontal pulley (301) from top to bottom.

6. The gimbal transmission structure according to claim 5, characterized in that, The optical coupling piece (304) is provided with an optical coupling device (303) on the side, and the optical coupling device (303) is fixedly arranged on the U-shaped base (201).

7. The head structure of claim 6, wherein the head structure further comprises a head cover. The horizontal transmission shaft (3) is further provided with a pin header (306) on the top.

8. The head structure of claim 4, wherein the head structure further comprises a head cover. One end of the vertical encoder (203) is provided with a vertical pulley (2031), and one end of the horizontal encoder (205) is provided with a horizontal pulley (2051); the vertical pulley (2031) and the horizontal pulley (2051) are used for being connected with a round belt.

9. The head structure of claim 3, wherein the head structure further comprises a head cover. The vertical pulley (104) is arranged outside the U-shaped base (201), and the vertical wheel groove (105) is arranged between the vertical pulley (104) and the U-shaped base (201).

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