CN221263451U - Integrated small-sized distributed photovoltaic grid-connected access information acquisition device - Google Patents
Integrated small-sized distributed photovoltaic grid-connected access information acquisition device Download PDFInfo
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- CN221263451U CN221263451U CN202323074606.3U CN202323074606U CN221263451U CN 221263451 U CN221263451 U CN 221263451U CN 202323074606 U CN202323074606 U CN 202323074606U CN 221263451 U CN221263451 U CN 221263451U
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- 238000012546 transfer Methods 0.000 claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 12
- 230000005611 electricity Effects 0.000 claims abstract description 12
- 230000009977 dual effect Effects 0.000 claims abstract 5
- 230000001681 protective effect Effects 0.000 claims description 28
- 238000007599 discharging Methods 0.000 claims description 7
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 238000010248 power generation Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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Abstract
The utility model belongs to the field of information acquisition devices, and particularly relates to an integrated small-sized distributed photovoltaic grid-connected access information acquisition device. The technology includes control circuit and dual supply automatic transfer switch, control circuit includes the treater, the treater electricity is connected with driving chip, dual supply automatic transfer switch passes through the wire and is connected with the treater, the series connection has protection circuit on the wire, protection circuit is provided with first circuit and second circuit, first circuit and second circuit are parallelly connected, first circuit is last to be connected with first relay in series, second circuit is last to be connected with second relay and step-down transformer in series, driving chip is connected with first relay and second relay electricity respectively, dual supply automatic transfer switch is connected with the battery and gets electric module respectively, dual supply automatic transfer switch is connected with voltage sensor electricity, voltage sensor and treater communication connection, the treater electricity is connected with interface and wireless communication module respectively.
Description
Technical Field
The utility model belongs to the field of information acquisition devices, and particularly relates to an integrated small-sized distributed photovoltaic grid-connected access information acquisition device.
Background
With the continuous development of the photovoltaic industry, more and more people are carrying out small-sized distributed photovoltaic power generation, and in order to facilitate management of the small-sized distributed photovoltaic power generation, an integrated small-sized distributed photovoltaic grid-connected access information acquisition device is required to acquire relevant data of a small-sized distributed photovoltaic power generation system.
When the existing integrated small-sized distributed photovoltaic grid-connected access information acquisition device is installed and used, electricity is often acquired from a small-sized distributed photovoltaic power generation system through an electricity acquisition module, so that the integrated small-sized distributed photovoltaic grid-connected access information acquisition device can normally operate; however, when a power taking module on the integrated small-sized distributed photovoltaic grid-connected access information acquisition device has a problem, the integrated small-sized distributed photovoltaic grid-connected access information acquisition device cannot be powered, so that the integrated small-sized distributed photovoltaic grid-connected access information acquisition device cannot continue to operate; meanwhile, when the power supply voltage is overlarge, the existing integrated small-sized distributed photovoltaic grid-connected access information acquisition device cannot reduce the power supply voltage, so that electronic elements in the integrated small-sized distributed photovoltaic grid-connected access information acquisition device are damaged and cannot normally operate.
Disclosure of utility model
According to the defects in the prior art, the technical problems to be solved by the utility model are as follows: the integrated small-sized distributed photovoltaic grid-connected access information acquisition device is provided, the situation that the information acquisition device is powered off is prevented, and damage to electronic elements in the information acquisition device caused by overhigh voltage is prevented.
The integrated small-sized distributed photovoltaic grid-connected access information acquisition device comprises a control circuit and a dual-power automatic transfer switch, wherein the control circuit comprises a processor, the processor is electrically connected with a driving chip, the dual-power automatic transfer switch is connected with the processor through a wire, a protection circuit is connected in series on the wire, the protection circuit is provided with a first circuit and a second circuit, the first circuit and the second circuit are connected in parallel, a first relay is connected in series on the first circuit, a second relay and a step-down transformer are connected in series on the second circuit, the driving chip is respectively electrically connected with the first relay and the second relay, the dual-power automatic transfer switch is respectively electrically connected with a storage battery and a power-taking module for taking power to the small-sized distributed photovoltaic grid-connected discharge system, the dual-power automatic transfer switch is electrically connected with a voltage sensor for detecting power supply voltage, the voltage sensor is in communication connection with the processor, and the processor is respectively electrically connected with an interface and a wireless communication module, and the processor is used for receiving and processing information transmitted by the voltage sensor and the interface, and controlling the first relay to be opened and closed by the driving chip.
Further, the storage battery is electrically connected with a solar controller, and the solar controller is electrically connected with a solar panel.
Further, the solar panel is arranged at the top of the protective box, and the solar controller, the processor, the dual-power automatic transfer switch, the driving chip and the storage battery are all arranged in the protective box.
Further, the left side and the right side of the protective box are provided with heat dissipation openings.
Further, filter screens are arranged in the radiating ports.
Further, a door opening is formed in the front side wall of the protective box, a protective door for sealing the door opening is hinged in the door opening, and an observation window is arranged on the protective door.
Further, a through groove with the inside and the outside communicated is formed in the rear side wall of the protective box.
Compared with the prior art, the utility model has the following beneficial effects:
According to the utility model, when the power taking module has a problem and power cannot be continuously supplied, the dual-power automatic transfer switch is automatically switched to the storage battery to supply power, so that the situation that the information acquisition device is powered off and cannot be used is prevented; when the condition of overvoltage appears, first circuit is disconnected to first relay, and second circuit intercommunication second circuit simultaneously, and the second circuit intercommunication back steps down through step-down transformer, and the electric current after the step-down continues to supply power to information acquisition device to carry out overvoltage protection to information acquisition device, prevent that the electronic component in the information acquisition device from damaging because of the excessive pressure appears.
Drawings
FIG. 1 is a circuit block diagram of the present utility model;
FIG. 2 is a flow chart of the present utility model;
FIG. 3 is a schematic diagram of the structure of the present utility model;
FIG. 4 is a schematic view of the front side of FIG. 3;
FIG. 5 is a schematic view of the rear side of FIG. 3;
The names of the components in the figure are as follows: 1. the control circuit 2, the second relay 3, the step-down transformer 4, the voltage sensor 5, the electricity taking module 6, the small distributed photovoltaic grid-connected discharging system 7, the solar panel 8, the solar controller 9, the storage battery 10, the dual-power automatic transfer switch 11, the protection circuit 12, the first relay 13, the processor 14, the driving chip 15, the interface 16, the wireless communication module 17, the protection box 18, the filter screen 19, the protection door 20, the observation window 21 and the through groove.
Detailed Description
The present utility model is further illustrated by the following examples, which are not intended to be limiting, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.
Example 1
The integrated small-sized distributed photovoltaic grid-connected access information acquisition device comprises a control circuit 1 and a dual-power automatic transfer switch 10, wherein the dual-power automatic transfer switch 10 is in the prior art in practical application, and the dual-power automatic transfer switch 10 is automatically connected to a standby power supply through the dual-power transfer switch when power consumption is suddenly interrupted, so that the operation of the device is not stopped and can still continue;
the device comprises a processor 13, wherein the processor 13 is electrically connected with a driving chip 14, and the whole text forms a control circuit 1; in practical application, the driving chip 14 may be a relay driving chip with the model GM 8023B;
The dual-power automatic transfer switch 10 is connected with the processor 13 through a wire, and in practical application, the power output end of the dual-power automatic transfer switch 10 is connected with the power transmission end of the processor 13 through a wire;
The first circuit and the second circuit are connected in parallel, the first circuit is connected in series with the first relay 12, the second circuit is connected in series with the second relay 2 and the step-down transformer 3, and the text of the section integrally forms the protection circuit 11; in practical application, the step-down transformer 3 can be a tunable step-down transformer 3;
in practical application, the step-down transformer 3 is in the prior art, and the step-down transformer 3 converts the higher voltage at the input end into the ideal voltage with relatively lower output, so as to achieve the purpose of step-down;
The driving chip 14 is respectively and electrically connected with the first relay 12 and the second relay 2, and in actual application, the driving chip 14 is respectively connected with the first relay 12 and the second relay 2 through wires; in practical application, the relay is in the prior art, is an electric control device, is generally applied to an automatic control circuit, and is actually an automatic switch which uses small current to control large current to operate, so that the relay plays roles of automatic adjustment, safety protection, circuit switching and the like in a circuit;
the double-power automatic transfer switch 10 is respectively and electrically connected with a storage battery 9 and a power taking module 5 for taking power to the small-sized distributed photovoltaic grid-connected discharging system 6, and when in practical application, the power input end of the double-power automatic transfer switch 10 is respectively connected with the storage battery 9 and the power taking module 5 through wires; in actual application, electricity is taken through the electricity taking module 5, and strong electricity provided by the small-sized distributed photovoltaic grid-connected discharging system 6 is converted into weak electricity for the information acquisition device to use;
The dual-power automatic transfer switch 10 is electrically connected with a voltage sensor 4 for detecting power supply voltage, the voltage sensor 4 is in communication connection with the processor 13, and in actual application, the dual-power automatic transfer switch 10 is connected with the voltage sensor 4 through a wire, and the voltage sensor 4 is connected with the processor 13 through a wire;
The processor 13 is electrically connected with the interface 15 and the wireless communication module 16 respectively, and the processor 13 is used for receiving and processing the information transmitted by the voltage sensor 4 and the interface 15 and controlling the opening and closing of the first relay 12 and the second relay 2 through the driving chip 14; in practical application, the processor 13 is respectively connected with an interface 15 and a wireless communication module 16 through wires; in actual application, the system is connected with the small-sized distributed photovoltaic grid-connected discharging system 6 through an interface 15, so that data of the small-sized distributed photovoltaic grid-connected discharging system 6 are collected; in practice, the collected data is transmitted to the monitoring center through the wireless communication module 16.
In this embodiment, the first relay 12 connects the first line, and the second relay 2 disconnects the second line in normal conditions.
In the embodiment, when the power supply module 5 is used specifically, the power supply module 5 is used for supplying power, the strong current provided by the small-sized distributed photovoltaic grid-connected discharging system 6 is converted into weak current for the information acquisition device to use, when the power supply module 5 has a problem and cannot continuously supply power to the information acquisition device, the dual-power automatic transfer switch 10 is used for switching the power supply into the storage battery 9, and the storage battery 9 is used for continuously supplying power to the information acquisition device, so that the information acquisition device is powered in two ways, and the situation that the information acquisition device is not used due to power failure is prevented; when the information acquisition device is powered, the power supply voltage is monitored in real time through the voltage sensor 4, the voltage sensor 4 transmits the acquired voltage value to the processor 13, the processor 13 processes data, if the power supply voltage is normal, the processor 13 keeps normal, when overvoltage occurs, the first relay 12 is controlled by the driving chip 14 to disconnect the first circuit, meanwhile, the second relay 2 is controlled by the driving chip 14 to be communicated through the processor 13, after the second circuit is communicated, the overvoltage current is reduced through the step-down transformer 3 on the second circuit, the overvoltage current is reduced by a normal value, the voltage is reduced to the normal value current, the information acquisition device is powered continuously, and the information acquisition device can be operated normally, so that overvoltage protection is performed on the information acquisition device, and damage of electronic components in the information acquisition device due to overhigh voltage is prevented.
Example 2
In this embodiment, the technology is further described, the storage battery 9 is electrically connected with the solar controller 8, the solar controller 8 is electrically connected with the solar panel 7, in practical application, the storage battery 9 is connected with the solar controller 8 through a wire, and the solar controller 8 is connected with the solar panel 7 through a wire; in practical application, the storage battery 9 is charged through the solar panel 7, so that the storage battery 9 can continuously supply power to the information acquisition device.
Example 3
The technology will be further described in this embodiment, and the solar panel 7 is mounted on the top of the protective box 17, as shown in fig. 3, 4 and 5; in practical application, the solar panel 7 is arranged on the top of the control circuit 1 through an installation frame;
The solar energy controller 8, the processor 13, the dual-power automatic transfer switch 10, the driving chip 14 and the storage battery 9 are all arranged in the protective box 17; in practical application, the voltage sensor 4, the second relay 2, the step-down transformer 3, the first relay 12 and the wireless communication module 16 are also arranged in the protective box 17; in practical application, the solar controller 8, the processor 13, the dual-power automatic transfer switch 10, the driving chip 14 and the storage battery 9 are protected through the protective box 17.
Example 4
In this embodiment, the technology is further described, and the left and right sides of the protection box 17 are provided with heat dissipation openings, as shown in fig. 3; during practical application, the heat dissipation is carried out on the inside of the protective box 17 through the heat dissipation opening, so that the damage of electronic elements caused by the overhigh temperature in the protective box 17 is prevented;
Further, as shown in fig. 3, the filter screen 18 is installed in each of the heat dissipation ports; in practical use, external dust is prevented from entering the interior of the protective case 17 by the filter screen 18.
Example 5
In this embodiment, a door opening is formed in the front side wall of the protective box 17, a protective door 19 for closing the door opening is hinged in the door opening, and an observation window 20 is disposed on the protective door 19, as shown in fig. 4; in practice, the protective door 19 is hinged in the door opening by hinges or hinges.
In practical application, the electronic components mounted in the protective box 17 are convenient to maintain and replace through the protective door 19; the inspection personnel can conveniently check the actual condition inside the protective box 17 through the observation window 20.
Example 6
The technology will be further described in this embodiment, and a through slot 21 with internal and external communication is formed on the rear side wall of the protection box 17, as shown in fig. 5; in practical application, the through groove 21 facilitates the penetration of external lines into the protective box 17 and the penetration of lines which need to be penetrated out of the interior of the protective box 17.
Claims (7)
1. The utility model provides a small-size distributed photovoltaic grid-connected access information acquisition device of integrated form, includes control circuit (1) and dual supply automatic transfer switch (10), its characterized in that: the control circuit (1) comprises a processor (13), the processor (13) is electrically connected with a driving chip (14), the dual-power automatic transfer switch (10) is connected with the processor (13) through a wire, a protection circuit (11) is connected in series on the wire, the protection circuit (11) is provided with a first circuit and a second circuit, the first circuit and the second circuit are connected in parallel, a first relay (12) is connected in series on the first circuit, a second relay (2) and a step-down transformer (3) are connected in series on the second circuit, the driving chip (14) is respectively electrically connected with the first relay (12) and the second relay (2), the dual-power automatic transfer switch (10) is respectively electrically connected with a storage battery (9) and a power taking module (5) for taking electricity to the small-sized distributed photovoltaic grid-connected discharging system (6), the dual-power automatic transfer switch (10) is electrically connected with a voltage sensor (4) for detecting power supply voltage, the voltage sensor (4) is in communication connection with the processor (13), and the processor (13) is respectively electrically connected with an interface (15), the wireless relay (16) and the second relay (14) are used for receiving information through the first relay (12) and the second relay (14).
2. The integrated small-sized distributed photovoltaic grid-connected access information acquisition device according to claim 1, wherein: the storage battery (9) is electrically connected with the solar controller (8), and the solar controller (8) is electrically connected with the solar panel (7).
3. The integrated small-sized distributed photovoltaic grid-connected access information acquisition device according to claim 2, wherein: the solar energy power generation system further comprises a protection box (17), the solar panel (7) is arranged at the top of the protection box (17), and the solar controller (8), the processor (13), the dual-power automatic transfer switch (10), the driving chip (14) and the storage battery (9) are all arranged in the protection box (17).
4. The integrated small-sized distributed photovoltaic grid-connected access information acquisition device according to claim 3, wherein: and the left side and the right side of the protective box (17) are provided with heat dissipation openings.
5. The integrated small-sized distributed photovoltaic grid-connected access information acquisition device according to claim 4, wherein: and filter screens (18) are arranged in the radiating openings.
6. The integrated small-sized distributed photovoltaic grid-connected access information acquisition device according to claim 3, wherein: the door opening is formed in the front side wall of the protective box (17), a protective door (19) for sealing the door opening is hinged in the door opening, and an observation window (20) is arranged on the protective door (19).
7. The integrated small-sized distributed photovoltaic grid-connected access information acquisition device according to claim 6, wherein: the rear side wall of the protective box (17) is provided with a through groove (21) which is internally and externally communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323074606.3U CN221263451U (en) | 2023-11-15 | 2023-11-15 | Integrated small-sized distributed photovoltaic grid-connected access information acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323074606.3U CN221263451U (en) | 2023-11-15 | 2023-11-15 | Integrated small-sized distributed photovoltaic grid-connected access information acquisition device |
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| Publication Number | Publication Date |
|---|---|
| CN221263451U true CN221263451U (en) | 2024-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323074606.3U Active CN221263451U (en) | 2023-11-15 | 2023-11-15 | Integrated small-sized distributed photovoltaic grid-connected access information acquisition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221263451U (en) |
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2023
- 2023-11-15 CN CN202323074606.3U patent/CN221263451U/en active Active
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