CN114006579A - Photovoltaic module fault detection processing apparatus - Google Patents
Photovoltaic module fault detection processing apparatus Download PDFInfo
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- CN114006579A CN114006579A CN202110833257.5A CN202110833257A CN114006579A CN 114006579 A CN114006579 A CN 114006579A CN 202110833257 A CN202110833257 A CN 202110833257A CN 114006579 A CN114006579 A CN 114006579A
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- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 238000012545 processing Methods 0.000 title claims abstract description 27
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
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- 229910052751 metal Inorganic materials 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 5
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- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention provides a photovoltaic module fault detection processing device, which comprises a photovoltaic module, a control module and a power supply module, wherein the photovoltaic module comprises a plurality of cell panels which are connected in series, and each cell panel comprises an input end and an output end; the self-checking assembly comprises a sensing piece connected in parallel to the outer side of each battery board, and the sensing piece is used for monitoring whether the single battery board is in fault; the emergency assembly comprises a controller connected with the induction part, a short circuit wire is arranged between the input end and the output end, an on-off unit is arranged on the short circuit wire, and the controller controls the on-off unit to be disconnected and connected. Can keep the detection to photovoltaic module through self-checking subassembly and emergent subassembly, can in time detect out the solar cell panel who breaks down when the current takes place the abnormal change, utilize emergent subassembly to guarantee whole photovoltaic module's normal function when nobody can in time change on every side, can not influence the use of whole subassembly because of monolithic solar cell panel's damage.
Description
Technical Field
The invention relates to the technical field of photovoltaic modules, in particular to a photovoltaic module fault detection processing device.
Background
When a single photovoltaic module with hidden cracks inside generates electricity, the current is lower than that of other normal modules, the current of the whole branch circuit is reduced to a branch circuit area where the photovoltaic module is located, a wooden barrel effect is formed, and electric quantity loss is caused; under present conventional conditions, photovoltaic module breaks down and damages the back, and the staff goes to investigate then changes and maintains the trouble unit in the photovoltaic module, goes to maintain after breaking down often to have the hysteresis quality, leads to photovoltaic module to be unable to use when breaking down for the power supply is interrupted, detects moreover and judges which unit that damages in the subassembly also needs the time, and operating procedure is loaded down with trivial details, and maintenance efficiency is low. Simultaneously, connect through public first female connection electricity between the panel unit, when pulling down a back, lead to whole assembly scattered easily, inconvenient dismantlement installation, consequently urgently need a photovoltaic module fault detection processing apparatus can the automatic detection subassembly in the panel unit of trouble, can emergency treatment guarantee photovoltaic module's interim use simultaneously.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
Therefore, the technical problem to be solved by the invention is to overcome the defects that the photovoltaic module in the prior art is difficult to detect and is used in emergency, and thus, the invention provides a photovoltaic module fault detection processing device.
In order to solve the technical problems, the invention provides the following technical scheme: a photovoltaic module fault detection processing device comprises a photovoltaic module, a control module and a power supply module, wherein the photovoltaic module comprises a plurality of battery boards which are connected in series, and each battery board comprises an input end and an output end; the self-checking assembly comprises a sensing piece connected in parallel to the outer side of each battery board, and the sensing piece is used for monitoring whether the single battery board is in fault; the emergency assembly comprises a controller connected with the induction part, a short circuit wire is arranged between the input end and the output end, an on-off unit is arranged on the short circuit wire, and the controller controls the on-off unit to be disconnected and connected.
The photovoltaic module fault detection processing device is characterized in that: the on-off unit is established including the cover protection casing on the short circuit wire, the short circuit wire is including setting up first terminal and second terminal in the protection casing, the inside spout that is provided with of protection casing, first terminal slides with the spout and is connected, the second terminal is fixed inside the protection casing, be provided with the touching after the metal contact piece slides on the first terminal the metal contact piece that sets up on the second terminal.
The photovoltaic module fault detection processing device is characterized in that: a spiral coil is arranged in the first terminal, an iron block is fixed in the second terminal, and the controller controls the spiral coil to be powered on or powered off; a spring is arranged between the first terminal and the second terminal in the sliding groove.
The photovoltaic module fault detection processing device is characterized in that: the induction part is a current inductor, monitors whether the current in the battery panel is normal or not, and transmits monitoring data to the controller.
The photovoltaic module fault detection processing device is characterized in that: two adjacent panels include first panel and second panel, first panel both ends are provided with the connecting block, the connecting hole has been seted up at second panel both ends, be provided with the turning block in the connecting hole, the jack has been seted up on the connecting block, one end inserts among them of turning block in the jack, width between the turning block with the jack equals to the width on each limit of connecting block, still be provided with the second spring in the connecting hole and promote the turning block all the time and be close to the connecting block.
The photovoltaic module fault detection processing device is characterized in that: the rotating block is U-shaped and comprises a first pin and a second pin, the first pin is inserted into the jack, the second pin is clamped on the side surface of the connecting block, and the length of the second pin is smaller than or equal to that of the first pin.
The photovoltaic module fault detection processing device is characterized in that: the first pin is a cylinder, and the cross section of the jack is set to be a circle matched with the first pin.
The photovoltaic module fault detection processing device is characterized in that: the self-checking assembly further comprises an audible and visual alarm, and the audible and visual alarm is connected with the controller.
The photovoltaic module fault detection processing device is characterized in that: the photovoltaic module further comprises a support member disposed below the panel.
The photovoltaic module fault detection processing device is characterized in that: the front of the solar panel is used for absorbing sunlight, and the self-checking assembly and the emergency assembly are arranged on the back of the solar panel.
The invention has the beneficial effects that: the detection of the photovoltaic module can be kept through the self-detection module and the emergency module, the solar cell panel with a fault can be detected in time when the current is changed abnormally, and the normal operation of the whole photovoltaic module can be ensured by the emergency module when no people around can replace the solar cell panel in time, so that the use of the whole module cannot be influenced by the damage of a single solar cell panel; the structure that sets up between two adjacent panels conveniently connects and dismantles, can adjust the angle simultaneously and be applicable to different situations.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced 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 based on these drawings without inventive exercise. Wherein:
FIG. 1 is a schematic view of the overall structure of the apparatus according to the present invention;
FIG. 2 is a schematic view of another perspective of the apparatus provided by the present invention;
FIG. 3 is a schematic cross-sectional view of an apparatus according to the present invention;
FIG. 4 is a schematic view of the mating structure of the first terminal and the second terminal;
FIG. 5 is a schematic view of the first panel and the second panel in cooperation;
FIG. 6 is a partial enlarged view of the panel mating section;
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Example 1
The embodiment provides a photovoltaic module fault detection processing device, as shown in fig. 1-3, comprising,
The photovoltaic module 100 is easy to have a fault condition of a single battery panel 101, and therefore a self-checking module 200 and an emergency module 300 are arranged, the self-checking module 200 is used for monitoring the operation condition of the battery panel 101 in real time, the self-checking module 100 comprises an induction element 201 connected to the outer side of each battery panel 101 in parallel, the emergency module 300 comprises a controller 301 connected with the induction element 201, the induction element 201 is used for monitoring whether the single battery panel 101 has a fault, the induction element 201 is generally a current inductor or a voltage inductor, monitoring whether the current in the battery panel 101 or the voltage at two ends of the single battery panel 101 is normal or not, monitoring data are transmitted to the controller 301, the controller 301 is a single chip microcomputer, the monitored current data or the monitored voltage data can be compared with normal values in real time, and if the abnormal condition occurs, the emergency module 300 is controlled to work; the short-circuit lead 102 is arranged between the input end 101a and the output end 101b of the battery panel 101, the on-off unit 103 is arranged on the short-circuit lead 102, the controller 301 controls the on-off unit 103 to be disconnected and connected, when the voltage or the internal current at the two ends of the battery panel 101 are normal, the controller 301 controls the on-off unit 103 to be disconnected without power, the short-circuit lead 102 does not work at the moment, the battery panel 101 keeps working in series, when the voltage or the internal current at the two ends of the battery panel 101 detects abnormality, the controller 301 controls the on-off unit 103 to be connected with power, the short-circuit lead 102 works at the moment, the abnormal single battery panel 101 is short-circuited, and the current skips the abnormal single battery panel and does not influence the work of the whole photovoltaic module.
Example 2
This embodiment differs from the previous embodiment as shown in fig. 2-4, wherein,
the on-off unit 103 comprises a protective shell 104 sleeved on the short circuit lead 102, the short circuit lead 102 comprises a first terminal 102a and a second terminal 102b which are arranged in the protective shell 104, a sliding groove 104a is arranged in the protective shell 104, the first terminal 102a is connected with the sliding groove 104a in a sliding manner, the second terminal 102b is fixed in the protective shell 104, and a metal contact piece which is arranged on the second terminal 102b and is touched after the metal contact piece slides is arranged on the first terminal 102 a.
Furthermore, the protection housing 104 is a square housing, the inner side of the top is provided with a square 104a, a protrusion is arranged above the first terminal 102a to slide in cooperation with the sliding groove 104a, the first terminal 102a can slide in the protection housing 104 along the sliding groove 104a, and the second terminal 102b is fixed at one end of the protection housing 104, so that when the first terminal 102a slides to be close to the second terminal 102b, the metal contact pieces on the first terminal 102a and the second terminal 102b are in contact connection with the metal contact points, at this time, the first terminal 102a and the second terminal 102b are in power connection, the short-circuit wire 102 forms a path to realize short circuit on the battery panel 101 with a fault, and when the first terminal 102a is far away from the second terminal 102b, the short-circuit wire 102 forms an open circuit, which does not affect the original photovoltaic module.
Further, a spiral coil 102a-1 is arranged in the first terminal 102a, an iron block 102b-1 is fixed in the second terminal 102b, the controller 301 controls the spiral coil 102a-1 to be powered on and off, when the battery panel 101 fails, the controller 301 detects abnormal information to control the spiral coil 102a-1 to be powered on, and after the spiral coil 102a-1 is powered on, magnetic force is generated and can approach the iron block 102b-1 in the second terminal 102b until the two touch each other, so that metal contacts are contacted; a spring 102c is disposed between the first terminal 102a and the second terminal 102b in the sliding slot 104a, and when the spiral coil 102a-1 is not energized, the spring 102c will always keep a certain distance between the first terminal 102a and the second terminal 102b, so as to prevent short circuit due to contact of the contacts.
In the embodiment, whether the short-circuit wire 102 works or not is controlled through the spiral coil 102a-1 and the iron block 102b-1, so that emergency measures after the battery panel 101 breaks down are realized, and the scheme is simple and practical.
Example 3
This embodiment differs from the previous embodiment as shown in fig. 5-6, wherein,
the two adjacent battery plates 101 comprise a first battery plate 101a and a second battery plate 101b, connecting blocks 101a-1 are arranged at two ends of the first battery plate 101a, connecting holes 101b-1 are formed at two ends of the second battery plate 101b, rotating blocks 101b-2 are arranged in the connecting holes 101b-1, jacks 101a-2 are formed in the connecting blocks 101a-1, one ends of the rotating blocks 101b-2 are inserted into the jacks 101a-2, the width between the rotating blocks 101b-2 is equal to the width from the jacks 101a-2 to all sides of the connecting blocks 101a-1, and second springs 101b-3 are further arranged in the connecting holes 101b-1 and used for pushing the rotating blocks 101b-2 to be close to the connecting blocks 101a-1 all the time.
The rotating block 101b-2 is U-shaped and comprises a first pin 101b-21 and a second pin 101b-22, the first pin 101b-21 is inserted into the jack 101a-2, the second pin 101b-22 is clamped on the side surface of the connecting block 101a-1, and the length of the second pin 101b-22 is less than or equal to that of the first pin 101 b-21; the first pin 101b-21 is a cylinder, and the cross-section of the insertion hole 101a-2 is configured in a circular shape to fit the first pin 101 b-21.
The working principle is as follows: when two unit cell panels 101 need to be connected, the connection block 101a-1 of the first cell panel 101a can be arranged at two ends of one side of the second cell panel 101b having the connection hole 101b-1, the first pin 101b-21 of the rotation block 101b-2 in the connection hole 101b-1 is inserted into the insertion hole 101a-2 on the connection block 101a-1, the second pin is clamped at the side of the connection block 101a-1, the rotation block 101b-2 is fixed in the connection block 101a-1 by the elastic force of the second spring 101b-3, at this time, the two cell panels are fixedly connected, when the connection angle needs to be changed, only the second spring 101b-3 needs to be pressed inwards, then the rotation block 101b-2 is rotated to make the second pin 101b-22 thereof clamp the other side of the connection block 101a-1, the battery pack can be rotated by 90 degrees, and when the battery pack needs to be disassembled, the second spring 101b-3 is pressed, the first pin 101b-21 is taken out of the jack 101a-2, and the two battery plates are conveniently disassembled. This connected mode is simple, can make up polylith panel 101 wantonly and form photovoltaic module, and convenient the dismantlement also makes things convenient for the maintenance simultaneously, also can form different angles and deal with different scenes, can unpack apart and be used for vanning the transportation.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a photovoltaic module fault detection processing apparatus which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a photovoltaic module (100) comprising a plurality of panels (101) connected in series or in parallel, said panels (101) comprising an input (101a) and an output (101 b);
the self-checking assembly (200) comprises a sensing element (201) connected in parallel on the outer side of each battery board (101), wherein the sensing element (201) is used for monitoring whether a single battery board (101) is in fault; and the number of the first and second groups,
the emergency assembly (300) comprises a controller (301) connected with the sensing piece (201), a short circuit lead (102) is arranged between the input end (101a) and the output end (101b), an on-off unit (103) is arranged on the short circuit lead (102), and the controller (301) controls the on-off unit (103) to be disconnected and connected.
2. The photovoltaic module fault detection processing device according to claim 1, wherein: the on-off unit (103) comprises a protective shell (104) sleeved on the short circuit lead (102), the short circuit lead (102) comprises a first terminal (102a) and a second terminal (102b) which are arranged in the protective shell (104), a sliding groove (104a) is formed in the protective shell (104), the first terminal (102a) is connected with the sliding groove (104a) in a sliding mode, the second terminal (102b) is fixed in the protective shell (104), and a metal contact piece which is arranged on the first terminal (102a) and touches the metal contact piece arranged on the second terminal (102b) after sliding is arranged on the metal contact piece.
3. The photovoltaic module fault detection processing device according to claim 2, wherein: a spiral coil (102a-1) is arranged in the second terminal (102b), an iron block (102b-1) is fixed in the first terminal (102a), and the controller (301) controls the spiral coil (102a-1) to be powered on and powered off; a spring (102c) is arranged between the first terminal (102a) and the second terminal (102b) in the sliding groove (104 a).
4. The photovoltaic module fault detection processing device according to claim 3, wherein: the sensing piece (201) is a current sensor, monitors whether the current in the battery panel (101) is normal or not, and transmits monitoring data to the controller (301).
5. The device for detecting and processing the faults of the photovoltaic module according to any one of claims 1 to 4, wherein: two adjacent battery plates (101) comprise a first battery plate (101a) and a second battery plate (101b), connecting blocks (101a-1) are arranged at two ends of the first battery plate (101a), connecting holes (101b-1) are formed at two ends of the second battery plate (101b), rotating blocks (101b-2) are arranged in the connecting holes (101b-1), jacks (101a-2) are formed in the connecting blocks (101a-1), one ends of the rotating blocks (101b-2) are inserted into the jacks (101a-2), the width between the rotating blocks (101b-2) is equal to the width from the jacks (101a-2) to the connecting blocks (101a-1), and a second spring (101b-3) is further arranged in the connecting holes (101b-1) and constantly pushes the rotating blocks (101b-2) to be close to the connecting blocks (101a- 1).
6. The photovoltaic module fault detection processing device according to claim 5, wherein: the rotating block (101b-2) is U-shaped and comprises a first pin (101b-21) and a second pin (101b-22), the first pin (101b-21) is inserted into the insertion hole (101a-2), the second pin (101b-22) is clamped on the side surface of the connecting block (101a-1), and the length of the second pin (101b-22) is smaller than or equal to that of the first pin (101 b-21).
7. The photovoltaic module fault detection processing device according to claim 6, wherein: the first pin (101b-21) is a cylinder, and the cross section of the insertion hole (101a-2) is provided with a circular shape matched with the first pin (101 b-21).
8. The photovoltaic module fault detection processing device according to any one of claims 1 or 7, wherein: the self-checking assembly (200) further comprises an audible and visual alarm (202), and the audible and visual alarm (202) is connected with the controller (301).
9. The photovoltaic module fault detection processing device according to claim 8, wherein: the photovoltaic module (100) further comprises a support arranged below the panel (101).
10. The photovoltaic module fault detection processing device according to claim 1, wherein: the front surface of the solar panel (101) is used for absorbing sunlight, and the self-checking assembly (200) and the emergency assembly (300) are arranged on the back surface of the solar panel (101).
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|---|---|---|---|---|
| WO2023248069A1 (en) * | 2022-06-20 | 2023-12-28 | Planair Sa | Photovoltaic system with detection of proximity, intrusion, degradation or theft, and corresponding method |
| CH719798A1 (en) * | 2022-06-20 | 2023-12-29 | Planair Sa | Photovoltaic installation with proximity detection, intrusion, degradation or theft and corresponding method. |
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| CN114006579B (en) | 2022-12-23 |
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Denomination of invention: A photovoltaic module fault detection and processing device Granted publication date: 20221223 Pledgee: Bank of Nanjing Co.,Ltd. Jiangning sub branch Pledgor: Hanfu photovoltaic technology (Nanjing) Co.,Ltd. Registration number: Y2024980011961 |
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