Photovoltaic tracker main shaft with automatic detection function

Abstract

The utility model discloses a photovoltaic tracker main shaft with automatic detection, which comprises a shaft body, a laser emitting device and a laser receiving device, the shaft body is provided with a flat end face, the laser emitting device and the laser receiving device are arranged on the same flat end face of the shaft body, the laser emitting device is provided with a laser emitting eye, and the laser receiving device is provided with a laser receiving eye. The laser receiving device is provided with a plurality of laser receiving inductive heads, the plurality of laser receiving inductive heads on the laser receiving device are in a non-contact state, and all the laser receiving inductive heads are located on the same arc surface. Compared with the prior art, the main shaft has the advantages that the laser receiving device and the laser emitting device are arranged on the shaft body, the torsion angle and the torsion direction of the shaft body are monitored, and monitoring is more reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic tracking equipment field especially relates to a photovoltaic tracker main shaft with automatic detection. BACKGROUND

[0002] The main shaft length of photovoltaic tracker is about 100 meters, so the torsion of the main shaft is an important design parameter and operation and maintenance parameter of photovoltaic tracker, and the current inclination sensor is used to judge the rotation angle of the main shaft, and several inclination sensors are installed on the 100-meter-long main shaft, and in actual use, due to the existence of installation error of each inclination sensor, the inclination sensor is only used as a reference index of the rotation angle of the main shaft, and cannot be used as a quantitative index for accurately judging the torsion of the main shaft. UTILITY MODEL CONTENTS

[0003] The utility model provides a photovoltaic tracker main shaft with automatic detection, which realizes monitoring of the torsion angle and torsion direction of the shaft body by arranging the laser receiving device and the laser emitting device on the shaft body, and the monitoring is more reliable.

[0004] The technical scheme adopted by the utility model is as follows:

[0005] A photovoltaic tracker main shaft with automatic detection, comprising a shaft body, the shaft body has a flat end face, further comprising a laser emitting device and a laser receiving device, the laser emitting device and the laser receiving device are arranged on the same flat end face of the shaft body, the laser emitting device is provided with a laser emitting eye, the laser receiving device is provided with a plurality of laser receiving sensing heads, and the plurality of laser receiving sensing heads on the laser receiving device are in a non-contact state, and all the laser receiving sensing heads are located on the same circular arc surface.

[0006] In the photovoltaic tracker main shaft, the flat end face is arranged on the shaft body and used for mounting the laser emitting device and the laser receiving device, the laser emitting device is provided with a laser emitting eye, and the laser receiving device has a plurality of laser receiving sensing heads, only a few laser receiving sensing heads in the laser receiving device can receive the laser emitted by the laser emitting eye, so in the device, when the laser receiving eye receiving the laser signal changes in the laser receiving device, it represents that the shaft body has been twisted, assuming that the laser receiving sensing head A receives the laser signal in the initial device, the distribution form of the laser receiving sensing heads (assuming 5) on the laser receiving device is C1, B1, A, B2 and C2, if B1 or B2 receives the laser signal, it represents that the twist of the shaft body is relatively small, and if C1 or C2 receives the laser signal, it represents that the twist of the shaft body is relatively large, so in the main shaft, the laser receiving sensing heads can be numbered, and the twist angle and twist direction of the shaft body can be monitored by receiving the change of the serial number of the laser receiving sensing heads, and the monitoring is more reliable.

[0007] In summary, the device realizes the monitoring of the torsion angle and the torsion direction of the shaft body by arranging the laser receiving device and the laser emitting device on the shaft body, and the monitoring is more reliable.

[0008] Optionally, the device further comprises a mounting bracket, the laser emitting device and the laser receiving device are arranged on the flat end face through the mounting bracket, and the mounting bracket is an L-shaped mounting bracket.

[0009] The mounting bracket is fixed on the shaft body through fasteners such as bolts or screws, and one plane of the mounting bracket is close to the flat end face on the shaft body.

[0010] Optionally, the device further comprises an adjusting plate, the laser receiving device is matched with the adjusting plate, the adjusting plate is matched with the mounting bracket through a bolt assembly, and the adjusting plate is a sheet-shaped adjusting plate.

[0011] Optionally, the adjusting plate and the mounting bracket are both provided with a waist round hole, and the bolt assembly penetrates the waist round holes on the adjusting plate and the mounting bracket.

[0012] The adjusting plate and the mounting bracket are both provided with a waist round hole, and the adjusting plate and the mounting bracket are fixed together through the bolt assembly, so that the position of the laser receiving device relative to the shaft body can be finely adjusted according to the needs to better adapt to the monitoring requirements.

[0013] Optionally, the shaft body is a square tubular shaft body, and the shaft body has four flat end faces.

[0014] Optionally, the four flat end faces on the shaft body are located on four edges of the same positive direction.

[0015] Optionally, the laser emitting eye and the laser receiving sensing head are in a non-contact state.

[0016] Optionally, the laser emitting device and the laser receiving device are not in contact.

[0017] The device has the advantages that the laser receiving device and the laser emitting device are arranged on the shaft body, the monitoring of the torsion angle and the torsion direction of the shaft body is realized, and the monitoring is more reliable. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0019] Figure 1It is the structural schematic diagram of the main shaft of the photovoltaic tracker with automatic detection;

[0020] Figure 2 It is the measurement principle schematic diagram of the main shaft of the photovoltaic tracker with automatic detection;

[0021] Figure 3 It is the cooperation relationship schematic diagram of the laser receiving device, the adjusting plate and the mounting bracket.

[0022] The various reference signs in the drawings are as follows: 1, shaft body; 101, flat end face; 2, mounting bracket; 3, adjusting plate; 301, waist round hole; 4, laser receiving device; 401, laser receiving sensing head; 5, laser emitting device; 501, laser emitting eye. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purpose, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0024] In the following description, a lot of specific details are set forth in order to facilitate a full understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0025] In the description of the present application, it should be noted that the terms used herein are only for describing the specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. In order to facilitate the description, the size of each part shown in the drawings is not drawn according to the actual proportion relationship. The technology, method and equipment known to those skilled in the related art can not be discussed in detail, but in appropriate cases, the technology, method and equipment should be regarded as part of the authorized specification. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further discussed in the subsequent drawings.

[0026] As shown in the accompanying Figure 1 , the accompanying Figure 2 and the accompanying Figure 3As shown in the figure, a photovoltaic tracker main shaft with automatic detection includes a shaft body 1, the shaft body 1 has a flat end face 101, and further includes a laser emitting device 5 and a laser receiving device 4, the laser emitting device 5 and the laser receiving device 4 are arranged on the same flat end face 101 of the shaft body 1, the laser emitting device 5 is provided with a laser emitting eye 501, the laser receiving device 4 is provided with a plurality of laser receiving sensing heads 401, and the plurality of laser receiving sensing heads 401 on the laser receiving device 4 are in a non-contact state, and all the laser receiving sensing heads 401 are located on the same circular arc surface.

[0027] In the photovoltaic tracker main shaft, the flat end face 101 is arranged on the shaft body 1, the flat end face 101 is used for mounting the laser emitting device 5 and the laser receiving device 4, the laser emitting device 5 is provided with the laser emitting eye 501, and the laser receiving device 4 has a plurality of laser receiving sensing heads 401, only a few laser receiving sensing heads 401 in the laser receiving device 4 can receive the laser emitted by the laser emitting eye 501, so in the device, when the laser receiving eye that receives the laser signal in the laser receiving device 4 changes, it represents that the shaft body 1 is twisted, assuming that the laser receiving sensing head 401A receives the laser signal in the initial device, the distribution form of the laser receiving sensing heads 401 (assuming 5) on the laser receiving device 4 is C1, B1, A, B2 and C2, if B1 or B2 receives the laser signal, it represents that the twist of the shaft body 1 is relatively small, if C1 or C2 receives the laser signal, it represents that the twist of the shaft body 1 is relatively large, so in the main shaft, the laser receiving sensing heads 401 can be numbered, and the twist angle and twist direction of the shaft body 1 can be monitored by receiving the change of the serial number of the laser receiving sensing heads 401, and the monitoring is more reliable.

[0028] In summary, the device realizes the monitoring of the twist angle and twist direction of the shaft body 1 by arranging the laser receiving device 4 and the laser emitting device 5 on the shaft body 1, and the monitoring is more reliable.

[0029] As shown in the figures Figure 1 , the figures Figure 2 and the figures Figure 3 , further include a mounting bracket 2, the laser emitting device 5 and the laser receiving device 4 are arranged on the flat end face 101 through the mounting bracket 2, and the mounting bracket 2 is an L-shaped mounting bracket 2.

[0030] The specific mounting bracket 2 is fixed on the shaft body 1 by fasteners such as bolts or screws, and one plane of the mounting bracket 2 is close to the flat end face 101 on the shaft body 1.

[0031] As shown in the figures Figure 1 , the figures Figure 2 and the figures Figure 3As shown, the adjusting plate 3 is matched with the laser receiving device 4, the adjusting plate 3 is matched with the mounting bracket 2 through the bolt assembly, and the adjusting plate 3 is a sheet-shaped adjusting plate 3.

[0032] As shown in Figs. 1, 2 and 3, the adjusting plate 3 and the mounting bracket 2 are both provided with waist round holes 301, and the bolt assembly penetrates through the waist round holes 301 of the adjusting plate 3 and the mounting bracket 2. Figure 1 Figure 2 As shown in Figs. 1, 2 and 3, the adjusting plate 3 and the mounting bracket 2 are both provided with waist round holes 301, and the bolt assembly penetrates through the waist round holes 301 of the adjusting plate 3 and the mounting bracket 2. Figure 3 The adjusting plate 3 and the mounting bracket 2 are both provided with waist round holes 301, and the adjusting plate 3 and the mounting bracket 2 are fixed together through the bolt assembly, so that the position of the laser receiving device 4 relative to the shaft body 1 can be finely adjusted according to the needs to better adapt to the monitoring requirements.

[0033] As shown in Figs. 1, 2 and 3, the adjusting plate 3 and the mounting bracket 2 are both provided with waist round holes 301, and the bolt assembly penetrates through the waist round holes 301 of the adjusting plate 3 and the mounting bracket 2.

[0034] Figure 1 As shown in Figs. 1, 2 and 3, the adjusting plate 3 and the mounting bracket 2 are both provided with waist round holes 301, and the bolt assembly penetrates through the waist round holes 301 of the adjusting plate 3 and the mounting bracket 2. Figure 2 Figure 3 As shown in Figs. 1, 2 and 3, the adjusting plate 3 and the mounting bracket 2 are both provided with waist round holes 301, and the bolt assembly penetrates through the waist round holes 301 of the adjusting plate 3 and the mounting bracket 2.

[0035] As shown in Figs. 1, 2 and 3, the adjusting plate 3 and the mounting bracket 2 are both provided with waist round holes 301, and the bolt assembly penetrates through the waist round holes 301 of the adjusting plate 3 and the mounting bracket 2. Figure 1 Figure 2 As shown in Figs. 1, 2 and 3, the adjusting plate 3 and the mounting bracket 2 are both provided with waist round holes 301, and the bolt assembly penetrates through the waist round holes 301 of the adjusting plate 3 and the mounting bracket 2. Figure 3 As shown in Figs. 1, 2 and 3, the adjusting plate 3 and the mounting bracket 2 are both provided with waist round holes 301, and the bolt assembly penetrates through the waist round holes 301 of the adjusting plate 3 and the mounting bracket 2.

[0036] Figure 1 As shown in Figs. 1, 2 and 3, the adjusting plate 3 and the mounting bracket 2 are both provided with waist round holes 301, and the bolt assembly penetrates through the waist round holes 301 of the adjusting plate 3 and the mounting bracket 2. Figure 2 Figure 3 As shown in Figs. 1, 2 and 3, the adjusting plate 3 and the mounting bracket 2 are both provided with waist round holes 301, and the bolt assembly penetrates through the waist round holes 301 of the adjusting plate 3 and the mounting bracket 2.

[0037] As shown in Figs. 1, 2 and 3, the adjusting plate 3 and the mounting bracket 2 are both provided with waist round holes 301, and the bolt assembly penetrates through the waist round holes 301 of the adjusting plate 3 and the mounting bracket 2. Figure 1 Figure 2 As shown in Figs. 1, 2 and 3, the adjusting plate 3 and the mounting bracket 2 are both provided with waist round holes 301, and the bolt assembly penetrates through the waist round holes 301 of the adjusting plate 3 and the mounting bracket 2. Figure 3 Figure 3 The laser receiving sensing head 401 shown in the accompanying drawings is 9.

[0038] The specific shaft body can also be a round pipe shaft body. When the shaft body is a round pipe shaft body, the plane of the mounting bracket needs to be changed into an arc surface to adapt to the installation.

[0039] The above-described embodiments only express some embodiments of the present application, which are described in more detail and in more detail, but cannot be understood as limiting the scope of the patent of the present application. It should be noted that for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced by equivalents. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.​​​​​​​​

Claims

1. A photovoltaic tracker spindle with automatic detection, comprising a shaft body having a flat end face, characterized in that, It also includes a laser emitting device and a laser receiving device. The laser emitting device and the laser receiving device are set on the same flat end face of the shaft. The laser emitting device is provided with a laser emitting eye. The laser receiving device is provided with multiple laser receiving sensing heads. The multiple laser receiving sensing heads on the laser receiving device are in a non-contact state, and all the laser receiving sensing heads are located on the same arc surface.

2. The photovoltaic tracker spindle with automatic detection according to claim 1, characterized in that, It also includes a mounting bracket, on which both the laser emitting device and the laser receiving device are mounted on the flat end surface. The mounting bracket is L-shaped.

3. A photovoltaic tracker spindle with automatic detection according to claim 2, characterized in that, It also includes an adjustment plate, the laser receiving device is coupled with the adjustment plate, the adjustment plate is coupled with the mounting bracket by a bolt assembly, and the adjustment plate is a sheet-shaped adjustment plate.

4. A photovoltaic tracker spindle with automatic detection according to claim 3, characterized in that, Both the adjusting plate and the mounting bracket have oval holes, and the bolt assembly passes through the oval holes on the adjusting plate and the mounting bracket.

5. A photovoltaic tracker spindle with automatic detection according to claim 1, characterized in that, The shaft is a square tube-shaped shaft with four flat end faces.

6. A photovoltaic tracker spindle with automatic detection according to claim 5, characterized in that, The four flat end faces on the shaft are located on the four sides in the same positive direction.

7. A photovoltaic tracker spindle with automatic detection according to claim 1, characterized in that, The laser emitting eye and the laser receiving sensor head are in a non-contact state.

8. A photovoltaic tracker spindle with automatic detection according to claim 1, characterized in that, The laser emitting device and the laser receiving device do not come into contact.

Images