CN104506088A - Direct-current motor control device for solar tracking system - Google Patents
Direct-current motor control device for solar tracking system Download PDFInfo
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- CN104506088A CN104506088A CN201410785251.5A CN201410785251A CN104506088A CN 104506088 A CN104506088 A CN 104506088A CN 201410785251 A CN201410785251 A CN 201410785251A CN 104506088 A CN104506088 A CN 104506088A
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- fixed contact
- direct current
- circuitry phase
- moving contact
- solar tracking
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Abstract
The invention discloses a direct-current motor control device for a solar tracking system. The control device comprises a direct-current motor, a first rely, a second relay, a control module and a power supply module, wherein the first relay comprises a first movable contact, a first static contact and a second static contact; the second relay comprises a second movable contact, a third static contact and a fourth static contact; the first static contact and the third static contact are connected with the cathode of the power supply module through circuits respectively; the second static contact and the fourth static contact are connected with the anode of the power supply module through circuits respectively; the first movable contact is connected with the anode of the direct-current motor through a circuit; the second movable contact is connected with the cathode of the direct-current motor through a circuit; the control module is used for controlling the first movable contact to be connected with the first static contact or the second static contact through a circuit, and is also used for controlling the second movable contact to be connected with the third static contact or the fourth static contact through a circuit. The control device is simple in structure, and is braked rapidly; the problem concerned with the tracking accuracy of the solar tracking system is well solved.
Description
Technical field
the present invention relates to a kind of DC machine control device for solar tracking system.
Background technology
existing solar tracking device is generally made up of support, controller, motor etc.Support is installed solar panel to realize following the tracks of day, controller controls by drive motors the position that the sun followed the tracks of by support.In the actual motion of solar tracking system, at set intervals, controller draws current position of sun according to astronomical algorithm, compares with the angle information of encoder feedback, controller sends instruction and starts or stops motor and run, thus reaches and follow the tracks of day preferably.
when controller sends halt instruction, after motor is cut off the electricity supply, due to inertia, motor can remain in operation after a period of time and could stop completely.This situation can produce certain impact on solar tracking device to day tracking accuracy, thus affects the generating efficiency of solar panel, especially high power condensation photovoltaic battery generating efficiency.
Summary of the invention
the object of this invention is to provide a kind of can fast braking motor for the DC machine control device in solar tracking system, by the both positive and negative polarity short circuit of control module control relay by direct current machine, to realize the object of fast braking motor.
for achieving the above object, the technical solution used in the present invention is:
for a DC machine control device for solar tracking system, described control device comprises direct current machine for driving solar tracking device to rotate, the first relay, the second relay, the control module be connected with described first relay and described second relay circuitry phase respectively, power module for powering for described direct current machine and described control module;
described first relay comprises the first moving contact, the first fixed contact, the second fixed contact, and described second relay comprises the second moving contact, the 3rd fixed contact, the 4th fixed contact; Described first fixed contact is connected with the negative pole circuitry phase of described power module respectively with described 3rd fixed contact, described second fixed contact is connected with the positive pole circuitry phase of described power module respectively with described 4th fixed contact, described first moving contact is connected with the positive pole circuitry phase of described direct current machine, and described second moving contact is connected with the negative pole circuitry phase of described direct current machine;
described control module is connected with described first fixed contact or described second fixed contact circuitry phase for controlling described first moving contact, and described control module is also connected with described 3rd fixed contact or described 4th fixed contact circuitry phase for controlling described second moving contact.
preferably, described control device also comprises the encoder be located on described solar tracking device, described encoder is used for the angle signal that described solar tracking device rotates to pass to described control module, and described control module is used for controlling described direct current machine according to described angle signal and is in rotating forward state, inverted status or on-position.
more preferably, when described direct current machine is in rotating forward state:
described first moving contact is connected with described second fixed contact circuitry phase; Described second moving contact is connected with described 3rd fixed contact circuitry phase.
more preferably, when described direct current machine is in inverted status:
described first moving contact is connected with described first fixed contact circuitry phase; Described second moving contact is connected with described 4th fixed contact circuitry phase.
more preferably, when described direct current machine is in on-position:
described first moving contact is connected with described first fixed contact circuitry phase; Described second moving contact is connected with described 3rd fixed contact circuitry phase;
or;
described first moving contact is connected with described second fixed contact circuitry phase; Described second moving contact is connected with described 4th fixed contact circuitry phase.
more preferably, when described encoder is used for the angle that described solar tracking device is certain because inertia turns over after described direct current machine braking, described angle signal is passed to described control module, described control module for receiving described angle signal, and for revising the angle again driving described direct current machine to rotate according to described angle signal.
preferably, described control device also comprises the resistance be serially connected in mutually with described direct current machine in electric power loop.
due to the utilization of technique scheme, the present invention compared with prior art has following advantages: the present invention is by accessing the first relay and the second relay in circuit, and the moving contact action of the first relay and the second relay is controlled by control module, fast braking direct current machine is carried out by the both positive and negative polarity of short circuit direct current machine, passed to the angle signal of control module by encoder simultaneously, time control module being controlled again to direct current machine startup is revised, namely the angle that solar tracking device rotates again is revised, structure of the present invention is simple, braking is quick, preferably resolve the tracking accuracy problem of solar tracking system.
Accompanying drawing explanation
accompanying drawing 1 is circuit theory diagrams of the present invention;
accompanying drawing 2 is structured flowchart of the present invention.
wherein: 10, control module; 20, encoder; 30, the first relay; 31, the first moving contact; 32, the first fixed contact; 33, the second fixed contact; 40, the second relay; 41, the second moving contact; 42, the 3rd fixed contact; 43, the 4th fixed contact; 50, direct current machine; 60, resistance.
Embodiment
below in conjunction with accompanying drawing, technical scheme of the present invention is further elaborated.
shown in Fig. 1-2, above-mentioned a kind of DC machine control device for solar tracking system, comprises direct current machine 50, first relay 30, second relay 40 for driving solar tracking device to rotate, the control module 10 be connected with this first relay 30 and the second relay 40 circuitry phase respectively, power module for powering for direct current machine 50 and control module 10.
in the present embodiment, this control device also comprises the resistance 60 be serially connected in mutually with above-mentioned direct current machine 50 in electric power loop.
above-mentioned first relay 30 comprises the first moving contact 31, first fixed contact 32, second fixed contact 33, and above-mentioned second relay 40 comprises the second moving contact 41, the 3rd fixed contact 42, the 4th fixed contact 43.
this first fixed contact 32 is connected with the negative pole circuitry phase of power module respectively with the 3rd fixed contact 42, and this second fixed contact 33 is connected with the positive pole circuitry phase of power module respectively with the 4th fixed contact 43.
first moving contact 31 is connected with the positive pole circuitry phase of direct current machine 50, and the second moving contact 41 is connected with the negative pole circuitry phase of direct current machine 50.
this control module 10 is connected with the first fixed contact 32 or the second fixed contact 33 circuitry phase for controlling the first moving contact 31, and this control module 10 is also connected with the 3rd fixed contact 42 or the 4th fixed contact 43 circuitry phase for controlling the second moving contact 41.
in the present embodiment, control module 10 for send the first signal to the first relay 30, first relay 30 for receiving the first signal time control the first moving contact 31 and be connected with the first fixed contact 32 circuitry phase; Control module 10 also for send secondary signal to the first relay 30, first relay 30 for receiving secondary signal time control the first moving contact 31 and be connected with the second fixed contact 33 circuitry phase; Control module 10 also for send the 3rd signal to the second relay 40, second relay 40 for receiving the 3rd signal time control the second moving contact 41 and be connected with the 3rd fixed contact 42 circuitry phase; Control module 10 also for send the 4th signal to the second relay 40, second relay 40 for receiving the 4th signal time control the second moving contact 41 and be connected with the 4th fixed contact 43 circuitry phase.
in the present embodiment, above-mentioned control device also comprises the encoder 20 be located on solar tracking device, and this encoder 20 passes to control module 10 for the angle signal rotated by solar tracking device.
this control module 10 controls direct current machine 50 for the angle signal fed back according to encoder 20 and rotates forward, reverses or brake.
when needs direct current machine 50 rotates forward:
control module 10 sends secondary signal and is connected with the second fixed contact 33 circuitry phase to the first relay 30, first moving contact 31, namely connects with the positive pole of power module; Control module 10 sends the 3rd signal and is connected with the 3rd fixed contact 42 circuitry phase to the second relay 40, second moving contact 41, namely connects with the negative pole of power module.Because the first moving contact 31 connects with the positive pole of direct current machine 50, the second moving contact 41 connects with the negative pole of direct current machine 50, and now direct current machine 50 rotates forward.
when needs direct current machine 50 reverses:
control module 10 sends the first signal and is connected with the first fixed contact 32 circuitry phase to the first relay 30, first moving contact 31, namely connects with the negative pole of power module; Control module 10 sends the 4th signal and is connected with the 4th fixed contact 43 circuitry phase to the second relay 40, second moving contact 41, namely connects with the positive pole of power module.Because the first moving contact 31 connects with the positive pole of direct current machine 50, the second moving contact 41 connects with the negative pole of direct current machine 50, and now direct current machine 50 reverses.
when needs braking direct current machine 50:
control module 10 sends the first signal and is connected with the first fixed contact 32 circuitry phase to the first relay 30, first moving contact 31, namely connects with the negative pole of power module; Control module 10 sends the 3rd signal and is connected with the 3rd fixed contact 42 circuitry phase to the second relay 40, second moving contact 41, namely connects with the negative pole of power module.Because the first moving contact 31 connects with the positive pole of direct current machine 50, the second moving contact 41 connects with the negative pole of direct current machine 50, and now the both positive and negative polarity of direct current machine 50 is by short circuit.Due to direct current machine 50 coasting, produce back-emf, thus the torque of generation reverse voltage is contrary with primary voltage torque, direct current machine 50 is forced to stop faster, simultaneously due to direct current machine 50 being serially connected with resistance 60, during braking, direct current machine 50 is equivalent to generator, the power conversion had is become power consumption on institute's series resistor 60.
also can send secondary signal by control module 10 to be connected with the second fixed contact 33 circuitry phase to the first relay 30, first moving contact 31, namely connect with the positive pole of power module; Control module 10 sends the 4th signal and is connected with the 4th fixed contact 43 circuitry phase to the second relay 40, second moving contact 41, namely connects with the positive pole of power module, equally by the both positive and negative polarity short circuit of direct current machine 50, serves the effect of fast braking.
when the rear solar tracking device angle certain because inertia turns over braked by direct current machine 50, angle signal is passed to control module 10 by this encoder 20, control module 10 is revised the angle again driving direct current machine 50 to rotate according to this angle signal, namely by control direct current machine 50, the time of forward or reverse carries out adjustment and revises this angle again.
by the application of above-mentioned control device, can brake direct current machine fast and effectively, the angle turned over due to inertia when also can brake direct current machine compensates and corrects, and preferably resolves the tracking accuracy problem of solar tracking system.
above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (7)
1. for a DC machine control device for solar tracking system, it is characterized in that: described control device comprises direct current machine for driving solar tracking device to rotate, the first relay, the second relay, the control module be connected with described first relay and described second relay circuitry phase respectively, power module for powering for described direct current machine and described control module;
Described first relay comprises the first moving contact, the first fixed contact, the second fixed contact, and described second relay comprises the second moving contact, the 3rd fixed contact, the 4th fixed contact; Described first fixed contact is connected with the negative pole circuitry phase of described power module respectively with described 3rd fixed contact, described second fixed contact is connected with the positive pole circuitry phase of described power module respectively with described 4th fixed contact, described first moving contact is connected with the positive pole circuitry phase of described direct current machine, and described second moving contact is connected with the negative pole circuitry phase of described direct current machine;
Described control module is connected with described first fixed contact or described second fixed contact circuitry phase for controlling described first moving contact, and described control module is also connected with described 3rd fixed contact or described 4th fixed contact circuitry phase for controlling described second moving contact.
2. a kind of DC machine control device for solar tracking system according to claim 1, it is characterized in that: described control device also comprises the encoder be located on described solar tracking device, described encoder is used for the angle signal that described solar tracking device rotates to pass to described control module, and described control module is used for controlling described direct current machine according to described angle signal and is in rotating forward state, inverted status or on-position.
3. a kind of DC machine control device for solar tracking system according to claim 2, is characterized in that: when described direct current machine is in rotating forward state:
Described first moving contact is connected with described second fixed contact circuitry phase; Described second moving contact is connected with described 3rd fixed contact circuitry phase.
4. a kind of DC machine control device for solar tracking system according to claim 2, is characterized in that: when described direct current machine is in inverted status:
Described first moving contact is connected with described first fixed contact circuitry phase; Described second moving contact is connected with described 4th fixed contact circuitry phase.
5. a kind of DC machine control device for solar tracking system according to claim 2, is characterized in that: when described direct current machine is in on-position:
Described first moving contact is connected with described first fixed contact circuitry phase; Described second moving contact is connected with described 3rd fixed contact circuitry phase;
Or;
Described first moving contact is connected with described second fixed contact circuitry phase; Described second moving contact is connected with described 4th fixed contact circuitry phase.
6. a kind of DC machine control device for solar tracking system according to claim 2, it is characterized in that: when described encoder is used for the angle that described solar tracking device is certain because inertia turns over after described direct current machine braking, described angle signal is passed to described control module, described control module for receiving described angle signal, and for revising the angle again driving described direct current machine to rotate according to described angle signal.
7. a kind of DC machine control device for solar tracking system according to claim 1, is characterized in that: described control device also comprises the resistance be serially connected in mutually with described direct current machine in electric power loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410785251.5A CN104506088A (en) | 2014-12-16 | 2014-12-16 | Direct-current motor control device for solar tracking system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410785251.5A CN104506088A (en) | 2014-12-16 | 2014-12-16 | Direct-current motor control device for solar tracking system |
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| CN104506088A true CN104506088A (en) | 2015-04-08 |
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| CN201410785251.5A Pending CN104506088A (en) | 2014-12-16 | 2014-12-16 | Direct-current motor control device for solar tracking system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107943106A (en) * | 2017-11-17 | 2018-04-20 | 苏州聚晟太阳能科技股份有限公司 | Possess the MPPT header boxs of following function and its control method of use |
| CN109460070A (en) * | 2018-12-27 | 2019-03-12 | 天津瑞金华鼎科技有限公司 | A kind of camera pan-tilt control device having cable robot under water |
| CN112041775A (en) * | 2018-04-27 | 2020-12-04 | 松下知识产权经营株式会社 | Motor drive device and conveying system |
| CN113685109A (en) * | 2021-08-05 | 2021-11-23 | 苏州大象汽车电子有限公司 | Drive circuit for inhibiting tail falling of automobile tail door and control method |
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| EP0792765A1 (en) * | 1996-02-27 | 1997-09-03 | ROLTRA MORSE S.p.A. | Device for controlling an electric motor, in particular for operating a vehicle sun roof |
| CN1921287A (en) * | 2005-08-26 | 2007-02-28 | 大银微系统股份有限公司 | Inductive load control device |
| CN102073325A (en) * | 2011-01-28 | 2011-05-25 | 华南农业大学 | Biaxial automatic tracking device and method for maximum power point of solar panel |
| CN103036486A (en) * | 2011-09-28 | 2013-04-10 | Asco电力技术公司 | System and method for brake control of direct current permanent magnet motor |
| CN103176479A (en) * | 2011-12-20 | 2013-06-26 | 北京市计科能源新技术开发公司 | Control method of intelligent solar photovoltaic power generation tracking system |
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2014
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Patent Citations (5)
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| EP0792765A1 (en) * | 1996-02-27 | 1997-09-03 | ROLTRA MORSE S.p.A. | Device for controlling an electric motor, in particular for operating a vehicle sun roof |
| CN1921287A (en) * | 2005-08-26 | 2007-02-28 | 大银微系统股份有限公司 | Inductive load control device |
| CN102073325A (en) * | 2011-01-28 | 2011-05-25 | 华南农业大学 | Biaxial automatic tracking device and method for maximum power point of solar panel |
| CN103036486A (en) * | 2011-09-28 | 2013-04-10 | Asco电力技术公司 | System and method for brake control of direct current permanent magnet motor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107943106A (en) * | 2017-11-17 | 2018-04-20 | 苏州聚晟太阳能科技股份有限公司 | Possess the MPPT header boxs of following function and its control method of use |
| CN112041775A (en) * | 2018-04-27 | 2020-12-04 | 松下知识产权经营株式会社 | Motor drive device and conveying system |
| CN109460070A (en) * | 2018-12-27 | 2019-03-12 | 天津瑞金华鼎科技有限公司 | A kind of camera pan-tilt control device having cable robot under water |
| CN113685109A (en) * | 2021-08-05 | 2021-11-23 | 苏州大象汽车电子有限公司 | Drive circuit for inhibiting tail falling of automobile tail door and control method |
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Application publication date: 20150408 |