CN212367200U

CN212367200U - Electromechanical device and solar power generation device

Info

Publication number: CN212367200U
Application number: CN202020568946.9U
Authority: CN
Inventors: 屈明娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2021-01-15
Anticipated expiration: 2030-04-16

Abstract

The utility model discloses an electromechanical device and solar power system. The electromechanical device comprises a first rotating shaft, a second rotating shaft and a driving mechanism surface, wherein the first rotating shaft and the second rotating shaft are respectively and independently connected with the driving mechanism, the first rotating shaft and the second rotating shaft are vertical to each other, the plane where the first rotating shaft and the second rotating shaft are located is parallel to a bearing surface provided by the electromechanical device, and the bearing surface and the second rotating shaft are relatively fixed. Based on the structure, the electromechanical equipment can enable the bearing surface to actively track and vertically align incident sunlight in daytime, so that the received illumination quality is improved, higher solar energy conversion efficiency is achieved, and the problem of low working efficiency of solar power generation equipment in the prior art is solved.

Description

Electromechanical device and solar power generation device

Technical Field

The utility model relates to the technical field of machinery and solar energy power generation, especially, relate to an electromechanical device and solar energy power generation equipment based on this electromechanical device.

Background

Solar power generation is a green pollution-free and sustainable power generation form. The working efficiency of a solar power generation device mainly depends on the intensity of light received by the solar power generation device, the receiving efficiency and the light receiving time. The solar power generation equipment is controlled to always vertically receive incident sunlight in daytime, and the power generation efficiency is improved. However, the light receiving surface of the existing solar power equipment is difficult to track and vertically align with the incident sunlight during the daytime, and the received illumination quality is low, so that the solar energy conversion efficiency is low, which has a great influence on the working efficiency of the solar power generation equipment.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an electromechanical device and solar power system to solve the relatively poor lower problem of solar energy conversion efficiency who leads to of current illumination reception quality.

The utility model provides a pair of electromechanical device, including first axis of rotation, second axis of rotation and actuating mechanism, first axis of rotation with the second axis of rotation is mutually perpendicular, and both place planes are on a parallel with the loading end that electromechanical device provided, the loading end with second axis of rotation relatively fixed, first axis of rotation with actuating mechanism connects in order to be used for the actuating mechanism drives down and rotates around self axis, and synchronous transmission the second axis of rotation winds the axis of first axis of rotation rotates in order to adjust the angle of pitch of loading end, the second axis of rotation with actuating mechanism connects, is used for rotate around self axis and do not transmit under the actuating mechanism drive first axis of rotation, in order to adjust the azimuth of loading end.

Optionally, the electromechanical device comprises a first bearing component for supporting the second rotating shaft to rotate around the axis of the electromechanical device, and the first bearing component is fixedly connected with the first rotating shaft.

Optionally, the electromechanical device further comprises a bracket and a second bearing part supporting the first rotating shaft to rotate around the axis of the first rotating shaft, and the second bearing part is fixedly connected with the bracket.

Optionally, the electromechanical device further comprises a controller connected to the drive mechanism.

Optionally, the driving mechanism includes a first driving unit and a second driving unit separately connected to the controller, respectively, the first driving unit is connected to the first rotating shaft, and the second driving unit is connected to the second rotating shaft.

Optionally, the first driving unit and the second driving unit are respectively disposed at one end of the first rotating shaft and one end of the second rotating shaft.

Optionally, the electromechanical device further comprises a GPS unit connected to the controller.

Optionally, the electromechanical device further includes a bearing mechanism providing the bearing surface, and the bearing mechanism is disposed on the second rotating shaft.

Optionally, the bearing mechanism includes a bearing plate and a fixing member, the fixing member is fixed to one side of the bearing plate facing the second rotating shaft, and the fixing member is fixed to the second rotating shaft.

The utility model provides a pair of solar power generation equipment, including solar power generation module and above-mentioned arbitrary electromechanical device, solar power generation module sets up in electromechanical device's second axis of rotation, and solar power generation module's sensitive surface is on a parallel with electromechanical device's loading end.

The utility model provides an electromechanical device and solar power system, the axis of rotation through two mutually perpendicular respectively in the angle of pitch and the gesture of these two dimension adjustment loading ends in azimuth, when this electromechanical device is applicable to solar power system's applied scene, can make loading end initiative ground vertical alignment incident sunlight and trail incident sunlight, the utility model discloses the mode of initiative adjustment loading end is favorable to the sunlight to remain the vertical irradiation loading end throughout (or solar power system's sensitive surface to be favorable to improving the time that solar power system received vertical incident light, improve solar power system received illumination quality, reach better energy conversion efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an electromechanical device according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an electromechanical device according to another embodiment of the present invention;

fig. 3 is a schematic structural diagram of a solar power generation apparatus according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a solar power generation device according to another embodiment of the present invention.

Detailed Description

In order to solve the problem that the poor solar energy conversion efficiency that leads to of present illumination reception quality is lower, the embodiment of the utility model provides a through two mutually perpendicular's axis of rotation respectively in the attitude of pitch angle and these two dimensions of azimuth adjustment loading ends, adjust loading end required direction or object initiatively with vertical alignment promptly, for example, when this electromechanical device is applicable to solar power generation's application scene, adjust the loading end initiatively with vertical alignment incident sunlight and trail incident sunlight.

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention. The following embodiments and their technical features may be combined with each other without conflict.

Fig. 1 is a schematic structural diagram of an electromechanical device according to an embodiment of the present invention. Referring to fig. 1, the electromechanical apparatus 10 is provided with a drive mechanism 101, a first rotating shaft 102, and a second rotating shaft 103. The first rotating shaft 102 is connected with the driving mechanism 101, and the second rotating shaft 103 is connected with the driving mechanism 101, that is, the first rotating shaft 102 and the second rotating shaft 103 are driven by the driving mechanism 101 to rotate around respective axes separately. The electromechanical device 10 is provided with a bearing surface 105, and the bearing surface 105 is fixed relative to the second rotating shaft 103. The first rotation axis 102 is perpendicular to the second rotation axis 103, and the plane (the two rotation axes are regarded as two perpendicular straight lines in the present case) of the two rotation axes is parallel to the bearing surface 105.

Of course, the electromechanical device 10 may be provided with a controller 104, for example consisting of one or several Micro Controller Units (MCU), which controller 104 is connected to the drive mechanism 101 for controlling the transmission of the drive mechanism 101. When the electromechanical device 10 is not provided with the controller 104, the embodiment of the present invention may control the driving mechanism 101 to execute the following processes and principles by means of the external controller 104.

The following takes an application scenario that the electromechanical device 10 is applied to solar power generation as an example, and introduces the working process and the principle of the electromechanical device 10 according to the embodiment of the present invention.

The controller 104 issues a driving command to the driving mechanism 101, which may include local current solar altitude and solar azimuth information.

The driving mechanism 101 drives the first rotating shaft 102 to rotate around the axis thereof according to the local current solar altitude in the driving instruction, and synchronously drives the second rotating shaft 103 to rotate around the axis of the first rotating shaft 102, so as to adjust the pitch angle of the bearing surface 105 to be equal to the local current solar altitude.

The driving mechanism 101 drives the second rotating shaft 103 to rotate around its axis according to the local current solar azimuth angle in the driving command, but does not drive the first rotating shaft 102 to rotate so as to adjust the azimuth angle of the bearing surface 105 to be equal to the local current solar azimuth angle.

When the driving mechanism 101 drives the first rotating shaft 102 and the second rotating shaft 103 to rotate, so that the pitch angle of the bearing surface 105 is equal to the local current solar altitude and the azimuth angle thereof is equal to the local current solar azimuth angle, that is, after the electromechanical device 10 has adjusted the bearing surface 105 to vertically align with the incident sunlight, in order to synchronize the real-time change of the sunlight incident angle generated due to the rotation of the earth, the controller 104 may issue another driving instruction to the driving mechanism 101, for convenience of distinguishing, the driving instruction may be referred to as a first driving instruction, and the driving instruction is referred to as a second driving instruction, and the driving mechanism 101 drives the second rotating shaft 103 to rotate at a constant speed according to the second driving instruction, so that the bearing surface 105 of the electromechanical device 10 tracks the incident sunlight in real time.

By adjusting the attitude of the bearing surface 105 in terms of the pitch angle and the azimuth angle through the two mutually perpendicular rotating shafts, when the electromechanical device 10 is suitable for an application scene of solar power generation, the bearing surface 105 can actively and vertically align with and track incident sunlight. The utility model discloses the process of constantly revising position error has been saved to the mode of initiative adjustment loading end 105, be favorable to making the sunlight remain vertical irradiation loading end 105 throughout, thereby be favorable to improving the time that loading end 105 received vertical incidence light, the sunlight incident angle that leads to with synchronous earth rotation is at the uniform velocity rotated at this dimension in azimuth by second axis of rotation 30 again, be favorable to real-time tracking incident sunlight, further be favorable to improving the time of receiving vertical incidence light, improve the illumination quality that loading end 105 received, reach better energy conversion efficiency.

Fig. 2 is a schematic structural diagram of an electromechanical device according to another embodiment of the present invention. For convenience of description, and to highlight differences between structural designs of different embodiments, the embodiments of the present invention use the same reference numerals for the same structural elements.

Referring to fig. 2, the electromechanical device 10 of the present embodiment includes a driving mechanism 101, a first rotating shaft 102, a second rotating shaft 103, a controller 104, a carrying mechanism 105, a GPS unit 106, a light intensity sensor 107, a column 108, and a base 109.

The drive mechanism 101 includes a first drive unit 1011 and a second drive unit 1012. The bearing mechanism 105 is fixed opposite to the second rotating shaft 103, specifically, the bearing mechanism 105 may be provided with a bearing plate and a fixing member, the fixing member is fixed on one side of the bearing plate facing the second rotating shaft, the fixing member is fixed on the second rotating shaft 103, and a side surface of the bearing plate facing away from the second rotating shaft, that is, an outer side surface, may be regarded as the bearing surface 105.

The second driving unit 1012 is connected to the second rotating shaft 103, for example, the second driving unit 1012 is disposed at one end of the second rotating shaft 103, and the second driving unit 1012 can be regarded as a first bearing member for supporting the second rotating shaft 103 to rotate. The first driving unit 1011 is connected to the first rotating shaft 102, for example, the first driving unit 1011 is disposed at one end of the first rotating shaft 102, and the first driving unit 1011 can be regarded as a second bearing member for supporting the first rotating shaft 102 to rotate. The first driving unit 1011 is fixed to the column 108, and the column 108 is fixed to the base 109. The first driving unit 1011 and the second driving unit 1012 are both connected to the controller 104.

The GPS unit 106 and the light intensity sensor 107 are connected to the controller 104, respectively.

Still taking an application scenario that the electromechanical device 10 is applied to solar power generation as an example, the following describes the operation process and principle of the electromechanical device 10 of the present embodiment.

The controller 104 reads local longitude and latitude (i.e., the longitude and latitude of the location where the electromechanical device 10 is located) and UTC (Coordinated Universal Time) information from the GPS unit 106, obtains the latitude of the current direct solar point on the earth surface according to the date information in the UTC, and obtains the longitude of the current direct solar point on the earth surface according to the Time information in the UTC. Further, the controller 104 calculates a local current solar altitude angle according to the latitude of the current earth surface direct solar point and the local latitude, and calculates a local current solar azimuth angle according to the longitude of the current earth surface direct solar point and the local longitude.

The controller 104 issues a driving command to the driving mechanism 101, where the driving command includes the local current solar altitude and solar azimuth obtained as described above.

The driving mechanism 101, under the control of the controller 104, drives the first rotating shaft 102 to rotate around its axis according to the driving instruction, and synchronously drives the second rotating shaft 103 to rotate around the axis of the first rotating shaft 102, adjusting the pitch angle of the bearing mechanism 105 until it is equal to the local current solar altitude, and the driving mechanism 101 drives the second rotating shaft 103 to rotate around its axis according to the local current solar azimuth angle (but does not drive the first rotating shaft 102 to rotate at this time), and finally adjusting the azimuth angle of the bearing mechanism 105 until it is equal to the local current solar azimuth angle.

Wherein, the GPS unit 106 can be a GPS hardware module, also can be the data communication interface that can provide local longitude and latitude and UTC, promptly the embodiment of the utility model provides a can make controller 104 obtain local longitude and latitude and UTC information through external mode.

The operation of the mechatronic device 10 may cycle on a periodic basis by day. The controller 104 reads the light intensity from the light intensity sensor 107, when the light intensity is greater than a preset threshold, the controller 104 reads the local longitude and latitude and UTC from the GPS unit 106 and calculates the local current solar altitude and solar azimuth, the controller 104 issues a driving command to the driving mechanism 101 according to the local current solar altitude and solar azimuth, the driving mechanism 101 drives the first rotating shaft 102 to rotate according to the driving command so as to adjust the pitch angle of the carrying mechanism 105 to be equal to the local current solar altitude, and the driving mechanism 101 drives the second rotating shaft 103 to rotate according to the driving command so as to adjust the azimuth angle of the carrying mechanism 105 to be equal to the local current solar azimuth, the controller 104 issues another driving command to the driving mechanism 101, the driving mechanism 101 drives the second rotating shaft 103 to rotate at a constant speed according to the driving command so as to enable the carrying mechanism 105 to synchronize the real-time change of the incident angle of sunlight generated by the earth rotation, the real-time tracking of the incident sunlight is realized, the controller 104 reads the light intensity from the light intensity sensor 107, when the light intensity is smaller than the preset threshold value, the controller 104 issues a further driving instruction to the driving mechanism 101, the driving mechanism 101 drives the first rotating shaft 102 to rotate according to the driving instruction so as to adjust the pitch angle of the bearing mechanism 105 until returning to the preset zero position, and the driving mechanism 101 drives the second rotating shaft 103 to rotate according to the driving instruction so as to adjust the azimuth angle of the bearing mechanism 105 until returning to the preset zero position, and the controller 104 continues to read the light intensity from the light intensity sensor 107 and waits for the start of the next working cycle. The preset zero position in the pitch dimension and the preset zero position in the azimuth dimension of the supporting mechanism 105 may be such that the supporting mechanism 105 faces the east direction or the south direction.

The controller 104 calculates the local solar altitude and solar azimuth according to the longitude and latitude and the UTC, and provides an accurate data source for the driving mechanism to drive the two mutually perpendicular rotating shaft mechanisms to rotate so as to align and track the incident sunlight, the introduction of the light intensity sensor 107 improves the automation level of the electromechanical device 10, and further improves the operation efficiency of the electromechanical device 10, and a plurality of electromechanical devices 10 are allowed to share the same GPS unit 106, namely networking operation realizability exists, which is beneficial to optimizing the system structure so as to reduce the cost.

Fig. 3 is a schematic structural diagram of a solar power generation apparatus according to an embodiment of the present invention. As shown in fig. 3, the solar power generation apparatus is based on the electromechanical apparatus 10 in the embodiment shown in fig. 1, and the solar power generation apparatus of the present embodiment is provided with a solar power generation module 20 in addition to the electromechanical apparatus 10. The solar power generation module 20 is parallel to the first rotation shaft 102 and the second rotation shaft 103, and the solar power generation module 20 and the second rotation shaft 103 are fixed relatively.

Based on the description of the application scenario of the electromechanical device 10 applied to solar power generation, please refer to the foregoing description for the working principle and the beneficial effects of the solar power generation device of the embodiment.

Fig. 4 is a schematic structural diagram of a solar power generation device according to another embodiment of the present invention. As shown in fig. 4, the solar power generation apparatus is based on the electromechanical apparatus 10 in the embodiment shown in fig. 2, and the solar power generation apparatus of the present embodiment is provided with a solar power generation module 20 in addition to the electromechanical apparatus 10. The solar power generation module 20 is parallel to the first rotation shaft 102 and the second rotation shaft 103, and the solar power generation module 20 and the second rotation shaft 103 are fixed relatively.

Based on the description of the application scenario of the electromechanical device 10 applied to solar power generation, please refer to the foregoing description for the working principle and the beneficial effects of the solar power generation device of the embodiment. For example, a solar power generation facility employing the electromechanical device 10 described above is able to actively track incident sunlight in real time during daylight hours, with higher operating efficiency than prior art solar power generation facilities such as fixed angle installations, azimuth only tracking, passive tracking, and the like.

Although the invention has been shown and described with respect to one or more implementations, equivalent alterations and modifications will occur to others skilled in the art based upon a reading and understanding of this specification and the annexed drawings. The present invention includes all such modifications and alterations and is limited only by the scope of the appended claims. In particular regard to the various functions performed by the above described components, the terms used to describe such components are intended to correspond, unless otherwise indicated, to any component which performs the specified function of the described component (e.g., that is functionally equivalent), even though not structurally equivalent to the disclosed structure which performs the function in the herein illustrated exemplary implementations of the specification.

That is, the above-mentioned embodiments of the present invention are only examples, and not intended to limit the scope of the present invention, and all changes in equivalent structures or equivalent processes made by using the contents of the present specification and the accompanying drawings, such as the mutual combination of technical features between the embodiments, or the direct or indirect application in other related technical fields, are also included in the scope of the present invention.

In addition, in the description of the embodiments of the present invention, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, the present invention may be identified by the same or different reference numerals for structural elements having the same or similar characteristics. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. In the foregoing description, various details have been set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present invention may be practiced without these specific details. In other instances, well-known structures and processes are not shown in detail to avoid obscuring the description of the invention with unnecessary detail. Thus, the present invention is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.

Claims

1. The electromechanical device is characterized by comprising a first rotating shaft, a second rotating shaft and a driving mechanism, wherein the first rotating shaft is vertical to the second rotating shaft, the plane where the first rotating shaft and the second rotating shaft are located is parallel to a bearing surface provided by the electromechanical device, the bearing surface is relatively fixed with the second rotating shaft, the first rotating shaft is connected with the driving mechanism and used for rotating around the axis of the driving mechanism under the driving action, the second rotating shaft synchronously drives the second rotating shaft to rotate around the axis of the first rotating shaft so as to adjust the pitch angle of the bearing surface, and the second rotating shaft is connected with the driving mechanism and used for rotating around the axis of the driving mechanism and not driving the first rotating shaft so as to adjust the azimuth angle of the bearing surface.

2. The electromechanical apparatus of claim 1, wherein the electromechanical apparatus comprises a first bearing member supporting the second rotatable shaft for rotation about its axis, the first bearing member being fixedly coupled to the first rotatable shaft.

3. The electromechanical device of claim 2, further comprising a bracket, and a second bearing member supporting the first rotational shaft for rotation about its axis, the second bearing member being fixedly coupled to the bracket.

4. The electromechanical device according to any one of claims 1 to 3, further comprising a controller, wherein the controller is connected to the drive mechanism.

5. The electromechanical apparatus of claim 4, wherein the drive mechanism includes a first drive unit and a second drive unit each separately connected to the controller, the first drive unit being connected to the first rotating shaft and the second drive unit being connected to the second rotating shaft.

6. The electromechanical apparatus according to claim 5, wherein the first and second drive units are provided at one ends of the first and second rotational shafts, respectively.

7. The mechatronic device of claim 4, further comprising a GPS unit coupled to the controller.

8. The electromechanical device of claim 1, further comprising a bearing mechanism providing the bearing surface disposed on the second rotational axis.

9. The electromechanical device of claim 8, wherein the bearing mechanism comprises a bearing plate and a fixture, the fixture being secured to a side of the bearing plate facing the second rotational axis, the fixture being secured to the second rotational axis.

10. A solar power generation apparatus, comprising a solar power generation module and the electromechanical apparatus of any one of claims 1 to 9, wherein the solar power generation module is disposed on the second rotation axis of the electromechanical apparatus, and a light receiving surface of the solar power generation module is parallel to a bearing surface of the electromechanical apparatus.