KR101237031B1 - Single axis type solar cell apparatus - Google Patents

Abstract

The present invention relates to a uniaxial solar generator that is uniaxial and can efficiently track sunlight.
The uniaxial solar generator according to the present invention has a support, a solar power module that is rotatably coupled around the axis of rotation to the upper portion of the support, and the solar power module so that the solar can rotate in response to the circumference of the sun And a rotation driving unit for rotating the solar power generation module, the rotation driving unit having one end rotatably coupled to the support and a screw thread formed on an outer circumferential surface thereof, and rotating the screw member. A screw rotating part, a sliding driving part screwed to the screw member, a first support having one end rotatably supported on the sliding driving part and the other end rotatably supported on the support, and one end rotatable on the sliding driving part Is supported, and the other end is rotatably supported by the solar power module And a belt.
The uniaxial solar power generator according to the present invention has an advantage in that construction is easy, efficient management is possible, and the power generation efficiency of the photovoltaic module can be increased by efficiently maintaining the incident angle of sunlight close to the vertical.

Description

Single axis solar generator {Single axis type solar cell apparatus}

The present invention relates to a uniaxial solar generator, and more particularly, to a uniaxial solar generator that can uniaxially track sunlight.

Conventional single-axis solar tracker has a plurality of posts for supporting the light receiving plate is mounted perpendicular to the ground, and provided with a single rotation shaft supported by the posts in a rotatable state, on the upper side of the rotation shaft It has a structure in which a light receiving plate is integrally supported.

The light receiving plate is installed horizontally on the ground, and the controller rotates the pivot shaft with respect to the post so that the light receiving plate faces the sun from sunrise to sunset, so that the sunlight is perpendicular to the light receiving plate. To be incident.

However, the light receiving plate installed horizontally on the ground as described above has a state in which the incident angle of sunlight is relatively close to the vertical in summer, but the angle of sunlight is incident on the light receiving plate because the altitude of the sun in winter is lower than in summer. Is far away from the vertical, there is a problem that the efficiency of photovoltaic power generation is sharply lowered.

On the other hand, in the case of a single-axis solar tracker in which the light receiving plate is installed in a horizontal state as described above, it is necessary to arrange the installation site horizontally for its installation, which requires a relatively large amount of engineering work and construction period required for construction. This has the drawback of lengthening.

In particular, in mountainous terrain like Korea, it is difficult to find a place with location conditions for constructing a large-scale photovoltaic power generation system with a short-axis solar tracker structure in which the light receiving plate is horizontally installed as described above. These sites are usually mountainous, so there is a problem that the coverage is very narrow.
In order to solve this problem, many researches have been made on techniques for increasing the solar power generation efficiency by tracking a change in the position of the sun, and various tracking means for tracking the sun by rotating the light receiving plate have been proposed.
Korean Patent Registration No. 10-0814343 discloses a photovoltaic position tracking power generation device, the disclosed prior art is provided with a rotary support on the upper side of the vertical support, the solar panel is hinged on the top of the rotary support, one side Disclosed is an apparatus for tracking the sun while the solar panel rotates about a hinge axis by a telescopic drive of an actuator configured to connect the rotation support and the solar panel to the other side.
In addition, there is also disclosed a position tracking power generation device for solar power in the registration room 20-0405716. In the disclosed prior art, a support column is vertically erected on the lower part of the solar panel, and the solar cell is mounted on the upper part of the support column. Rotation drive means is provided to rotate to track the position change. In addition, an altitude driving means including a screw jack for adjusting the inclination angle according to the altitude change of the solar panel is also provided.
However, the device of the registration design as described above is a complex control and drive structure, not easy to assemble and install, and difficult to maintain.

The present invention has been made in order to solve the above problems, the object of the present invention is to provide a uniaxial solar generator that can increase the photovoltaic power generation efficiency and good construction.

The uniaxial solar generator according to the present invention for achieving the above object is a pillar and a solar power generation module is rotatably coupled around a rotation axis on the upper portion of the support, and the solar power generation module in the circumferential motion of the sun A screw driver having a rotary drive unit for rotating and rotating the solar power module so as to rotate correspondingly, one end of which is rotatably coupled up and down to the support and a thread formed on an outer circumferential surface thereof; A screw rotating part for rotating the screw member, a sliding driving part screwed to the screw member, a first support having one end rotatably supported on the sliding driving part and the other end rotatably supported on the support, and the sliding One end is rotatably supported on the driving unit, and the other end is connected to the solar power module. And a second support that is available before the support.

The screw rotating part is a housing having an upper end rotatably coupled to the support up and down, the worm wheel is installed inside the housing and the end of the screw member is coupled to the rotation center to rotate integrally with the screw member, and It is preferable to have a worm meshed with the worm wheel and a drive motor for rotating the worm.

In addition, further comprising a stopper unit for limiting the movement position of the sliding drive unit, the stopper unit is installed in the screw member to extend along the longitudinal direction of the screw member and the optical fiber unit to emit light by an external light source; Light of the optical fiber is detected through a through hole installed in the sliding driving part and spaced apart from the outer circumferential surface of the screw member from the outer peripheral surface of the screw member at predetermined intervals along the longitudinal direction of the screw member so that light from the optical fiber portion can be emitted. An optical sensor, a transmitting unit for transmitting the sensing information of the optical sensor as an RF signal, and a control unit for controlling the driving motor, the receiving unit receiving a signal transmitted from the transmitting unit and transmitting the received signal to the control unit; The sliding drive unit is coupled to each other to surround the screw member The first and second blocks, the front and rear of the first and second blocks, and having an inner diameter larger than the outer diameter of the screw member to surround the screw member and the screw member from the inner peripheral surface of the edge portion It is preferable to have a brush member including a cleaning brush which protrudes toward and removes foreign matter adhering to the outer circumferential surface of the screw member during the sliding driving of the sliding driver.

The uniaxial solar power generator according to the present invention has an advantage in that construction is easy, efficient management is possible, and the power generation efficiency of the photovoltaic module can be increased by efficiently maintaining the incident angle of sunlight close to the vertical.

1 is a perspective view showing one embodiment of a uniaxial solar generator according to the present invention,
Figure 2 is a perspective view of the rotary drive of Figure 1,
Figure 3 is a side view showing a state in which the solar power module is rotated to one side,
Figure 4 is a side view showing a state in which the solar power module is rotated to the other side,
Figure 5 is an exploded perspective view showing another embodiment of the rotary drive,
6 is a cross-sectional view of the rotary drive of FIG.
7 is a block diagram showing the configuration of the stopper unit.

Hereinafter, with reference to the accompanying drawings will be described in more detail the uniaxial solar generator according to the present invention.

1 to 4 show one embodiment of the uniaxial solar generator 100 according to the present invention.

Referring to the drawings, the uniaxial solar generator 100 of the present embodiment has a support 110, a photovoltaic power generation module 120 installed on the top of the support 110, and the photovoltaic power generation module 120 It is provided with a rotation driving unit 130 to rotate.

The support 110 is fixed to the support surface and an anchor is inserted into the support surface to fix the support 110 vertically to the support surface.

The support surface may be formed of a separate concrete block for supporting the support (110).

The photovoltaic module 120 includes a frame 121 and a light collecting plate 122 including solar cells fixed to the frame 121.

The frame 121 is rotatably supported on the top of the support 110 about a horizontal axis of rotation, and the solar cell is formed to generate electricity through incident sunlight.

The photovoltaic module 120 may be any of various types of modules used in a general photovoltaic power generation method, ie, a crystalline silicon module, an amorphous thin film module, a flexible module, and the like.

The rotation driving unit 130 rotates the photovoltaic module 120 in response to the circumference of the sun to maintain the incident angle of the sunlight incident to the photovoltaic module 120 to be close to the vertical.

The rotation driving unit 130 is a screw rotating unit 131 installed on the support 110, the screw member 141, the sliding driving unit 151 and the sliding driving unit 151 and the support 110 is installed on the screw member 141. ), The first and second support (161, 162) for connecting the photovoltaic module, respectively.

The screw rotating part 131 is for rotating the screw member 141, and is installed in the housing 132, one end of which is rotatably coupled in the vertical direction to the support 110, and inside the housing 132. It includes a worm wheel 134, a worm 133 and a driving motor 135.

The housing 132 is provided with a rotation support part 136 for rotatably supporting one end of the screw member 141, the rotation support part 136 is of a diameter corresponding to the outer diameter of the end of the screw member 141 The support hole 137 is formed and consists of the bearing 138 attached to the inner peripheral surface of the support hole 137.

The worm wheel 134 is coupled to the end of the screw member 141 entered into the housing 132, the screw member 141 is coupled to the center of rotation of the worm wheel 134, the screw member 141 And the worm wheel 134 is splined so that the worm wheel 134 rotates integrally with the screw member 141.

The worm 133 is engaged with the worm wheel 134 to transmit power and is coupled to the driving motor 135 supported by the housing 132 so that the worm 133 rotates when the driving motor 135 is driven. do.

The screw member 141 is configured to rotate the screw member 141 while the worm wheel 134 rotates in conjunction with the worm 133 when the worm 133 is driven to rotate by the driving of the driving motor 135. .

The sliding driver 151 has a screw hole 152 penetrating the front and rear surfaces to be screwed with the screw member 141, the first and second support (161, 162) and the sliding driver on the lower and upper surfaces, respectively A bracket member 153 for connecting 151 is formed.

One end of the first support 161 is rotatably coupled to the bottom surface of the sliding driving unit 151, and the other end is rotatably coupled to the support 110 in an up and down direction. One end of the second support 162 is rotatably coupled to the upper surface of the sliding driver 151, and the other end of the second support 162 is rotatably coupled to the solar power module 120.

The rotation process of the photovoltaic module 120 by the rotation driving unit 130 is made while the sliding driving unit 151 moves forward and backward along the longitudinal direction of the screw member 141 as shown in FIGS. do.

In more detail, when the screw member 141 rotates due to the driving of the driving motor 135, the sliding driving part 151 coupled to the screw member 141 is screwed by the first and second supports 161 and 162. Since it does not rotate with the member 141, it is moved forward or backward along the thread of the screw member 141.

As shown in FIG. 3, when the sliding driving part 151 is in a position adjacent to the end of the screw member 141, the screw member 141 is rotated in a direction adjacent to the support 110, and the solar power module 120 is rotated toward one direction.

When the screw member 141 is rotated by the driving motor 135 to move the sliding driving part 151 toward the housing 132, the screw member 141 ends with the upper end coupled to the support 110. The rotation is upwardly upward and in conjunction with this, the solar power module 120 is rotated such that its upper surface faces the other direction.

Thus, the rotary drive unit 130 of the present embodiment by moving the drive member 135 and the worm 133, the worm wheel 134 by the screw member 141 rotates the sliding drive unit 151 back and forth to advance the solar power generation The module 120 is rotated along the circumference of the sun.

5 to 7 show another embodiment of the rotation driving unit 170.

The rotation driving unit 170 of the present exemplary embodiment includes a stopper unit 191 that allows the sliding driving unit 181 to stop at a predetermined position by limiting a moving position at which the sliding driving unit 181 moves.

The stopper unit 191 includes an optical fiber member 192 inserted into the screw member 171, an optical sensor 193 and a transmitter 194 installed in the sliding driver 181, and a driving motor 135. A control unit 196 for controlling the driving of the and a receiving unit 195 for receiving the transmission signal of the transmission unit 194.

The screw member 171 is formed with a hollow extending in the center in the longitudinal direction, the optical fiber member 192 is embedded in the hollow. The optical fiber member 192 is formed to emit light from the outer circumferential surface by the light source irradiated from the end. In addition, the screw member 171 has a through hole 172 communicating from the outer circumferential surface to the hollow, and the plurality of through holes 172 are formed to be spaced apart at predetermined intervals along the longitudinal direction of the screw member 171. Light emitted from the optical fiber member 192 may be irradiated to the outside at the point where the through hole 172 is formed.

The sliding driving part 181 of the present embodiment is provided with first and second blocks 182 and 183 coupled to each other to surround the screw member 171. The first block 182 is formed with a coupling groove 184 is formed with a screw thread to be screwed with the outer peripheral surface of the screw member 171 on the coupling surface coupled to the second block 183, the coupling groove ( The mounting groove 185 for mounting the optical sensor 193 is provided at the center of the 184.

Bracket members 186 and 153 are formed on the outer circumferential surface of the first block 182 to connect with the first support 161, and the flange 187 is coupled to the edge of the coupling surface for fastening with the second block 183. ) Is formed.

The second block 183 is also formed in the same form as the first block 182, and a detailed description thereof will be omitted.

The optical sensor 193 is mounted in the mounting grooves 185 of the first and second blocks 182 and 183 described above, and has a sensing part extending in the circumferential direction, so that the light is emitted through the through hole 172. Detect. The optical sensor 193 is connected to the transmitter 194, and when the optical sensor 193 detects light emitted through the through hole 172, the optical sensor 193 transmits the detection information as an RF signal through the transmitter 194.

The receiving unit 195 receives the RF signal transmitted from the transmitting unit 194 and transmits the received information to the control unit 196 controlling the driving of the driving motor 135 to control the driving motor 135 of the driving motor 135. Interrupt the drive.

The operation process of the stopper unit 191 of this embodiment is as follows.

The uniaxial solar generator 100 of the present embodiment is to drive the drive motor 135 at the time set by the controller 196 to rotate the solar power module 120, the through at an interval corresponding to the driving distance once. The sliding driving unit 181 is moved only by the distance between the through holes 172 and the holes 172 are formed.

That is, a light source (not shown) provided on one side of the power supply to the driving motor 135 at the time set by the controller 196 to rotate the screw member 171 and to emit light from the optical fiber member 192. ) To emit light.

The light irradiated from the light source is emitted to the outside through the optical fiber member 192, and in particular, the light is emitted at the position where the through hole 172 is formed.

When the sliding sensor 181 moves by the rotation of the screw member 171 and the optical sensor 193 arrives at the position where the through hole 172 is formed, the optical sensor 193 detects the light and transmits the transmission unit 194. The RF signal is transmitted through the RF signal, and the reception unit 195 receives the signal and transmits the received information to the control unit 196, and the control unit 196 stops driving the driving motor 135.

Thus, the rotation driving unit 170 of the present embodiment stops the sliding driving unit 181 at the position of forming the light through hole through the stopper unit 191, so that the photovoltaic module 120 collects sunlight at a predetermined position to supply electricity. To generate.

In addition, the brush member 210 is provided on the front and rear surfaces of the sliding driving unit 181, respectively.

The brush member 210 includes an edge portion 211 mounted to the sliding driving portion 181 and a cleaning brush 212 formed on the edge portion 211, and the edge portion 211 includes the screw member ( It is formed to have a larger inner diameter than the outer diameter of the 171, the screw member 171 is coupled to the sliding drive unit 181 so as to extend through the hollow of the edge portion 211.

The cleaning brush 212 is formed on the inner circumferential surface of the rim 211, and a plurality of cleaning brushes 212 extend toward the outer circumferential surface of the screw member 171. The washing brush 212 is for washing the screw member 171, the outer peripheral surface to the screw member 171 by the washing brush 212 in the process of the screw member 171 is rotated to move back and forth The foreign matter remaining in the removal is removed, in particular, the foreign matter is stuck in the through hole 172 to prevent the light from being emitted through the through hole 172 to smoothly drive the stopper unit 191.

The remaining components except for the configuration of the rotation driving unit 170 of the present embodiment are the same as the previous embodiment, the same reference numerals are assigned to the same components, and detailed description thereof will be omitted.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

Claims (3)

Holding;
A photovoltaic module coupled to the top of the support so as to be rotatable about a rotation axis;
And a rotation driving unit rotating the solar power module so that the solar power module rotates in response to the circumference of the sun.
The rotating drive part is a screw member, one end of which is rotatably coupled to the support up and down and has a screw thread formed on an outer circumferential surface thereof, a screw rotating part for rotating the screw member, and a sliding driving part screwed to the screw member; One end is rotatably supported on the sliding drive portion and the other end is rotatably supported on the support, and one end is rotatably supported on the sliding drive, the other end is rotatable to the solar power module A uniaxial solar generator, characterized in that it comprises a second support that is supported. The method of claim 1,
The screw rotating part and the housing is the upper end is rotatably coupled to the support up and down,
A worm wheel installed in the housing and having an end portion of the screw member coupled to a rotation center to rotate integrally with the screw member;
A worm engaged with the worm wheel,
Uniaxial solar generator, characterized in that it comprises a drive motor for rotating the worm. The method of claim 2,
Further provided with a stopper unit for limiting the movement position of the sliding drive,
The stopper unit is installed in the screw member so as to extend along the longitudinal direction of the screw member and an optical fiber unit that emits light by an external light source;
Light of the optical fiber is detected through a through hole installed in the sliding driving part and spaced apart from the outer circumferential surface of the screw member from the outer peripheral surface of the screw member at predetermined intervals along the longitudinal direction of the screw member so that light from the optical fiber portion can be emitted. With an optical sensor
A transmitter for transmitting the sensing information of the optical sensor as an RF signal;
Is connected to the control unit for controlling the drive motor and includes a receiving unit for receiving the signal transmitted from the transmitting unit and transmitting to the control unit,
The sliding drive unit is coupled to each other to surround the screw member, the first and second blocks, and the front and rear of the first and second blocks, and has an inner diameter larger than the outer diameter of the screw member to surround the screw member And a brush member including a cleaning brush which protrudes from the inner circumferential surface of the rim to the screw member and removes foreign matter attached to the outer circumferential surface of the screw member during the sliding driving of the sliding drive portion. Solar generator.

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