CN219085064U - Direct current arc discharge detection device for photovoltaic power station - Google Patents
Direct current arc discharge detection device for photovoltaic power station Download PDFInfo
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- CN219085064U CN219085064U CN202223580402.2U CN202223580402U CN219085064U CN 219085064 U CN219085064 U CN 219085064U CN 202223580402 U CN202223580402 U CN 202223580402U CN 219085064 U CN219085064 U CN 219085064U
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- arc discharge
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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 utility model provides a direct current arc discharge detection device for a photovoltaic power station, and belongs to the technical field of arc discharge detection devices of substations. The direct current arc discharge detection device for the photovoltaic power station comprises an arc discharge detection assembly and a cleaning assembly. The arc discharge detection assembly comprises an ultraviolet imager and an electric cradle head, wherein the ultraviolet imager is arranged on the electric cradle head; the cleaning component comprises a water storage box, an electric pump, a transverse pipe, a water inlet pipe, a water outlet pipe, a spray head and a support, wherein the water storage box is arranged at the top of the ultraviolet imager, the support is fixed at the top of the front end of the ultraviolet imager, and the transverse pipe is arranged on the support. According to the utility model, the electric pump extracts the water source in the water storage box through the water inlet pipe, enters the transverse pipe through the water outlet pipe, and finally is sprayed out from the spray head at the bottom of the transverse pipe to the probe surface of the ultraviolet imaging instrument to flush and clean attached dust, so that the probe part at the front end of the ultraviolet imaging instrument is always in a clean state and in a good detection state.
Description
Technical Field
The utility model relates to the field of substation arc discharge detection devices, in particular to a direct current arc discharge detection device for a photovoltaic power station.
Background
A substation is an electrical facility in an electrical power system that converts voltage, receives and distributes electrical energy, controls the flow of electrical power, and regulates the voltage, which connects the electrical grids of the various levels of voltage via its transformers. The substation is an AC-DC-AC conversion process in a specific environment. The direct current arc discharge generated by the discharging of the transformer substation can be detected by an ultraviolet imager. The utility model provides a scanning formula full-time blind substation equipment draws arc discharge and dirty flash discharge on-line monitoring device of publication No. CN204347194U, includes image acquisition front end, image signal transmission link and supervisory computer, the image acquisition front end includes ultraviolet imager and electronic cloud platform, and the ultraviolet imager is 1 at least, and the bottom of ultraviolet imager is installed on electronic cloud platform, and ultraviolet imager, electronic cloud platform pass through image signal transmission link and are connected with supervisory computer. The on-line monitoring device realizes all-weather automatic monitoring of the substation equipment, and can greatly improve the detection efficiency. However, when the ultraviolet imager is used for a long time, dust is easy to adhere to the probe part of the ultraviolet imager, and the dust affects the detection accuracy of the probe on the direct current arc discharge of the transformer substation, namely the monitoring effect on the arc discharge is affected.
Disclosure of Invention
In order to make up for the defects, the utility model provides a direct current arc discharge detection device for a photovoltaic power station, and aims to solve the problems that dust is easy to adhere to a probe part of an ultraviolet imaging instrument when the ultraviolet imaging instrument is used for a long time, and the dust influences the detection accuracy of the probe on the direct current arc discharge of the transformer station.
The utility model is realized in the following way:
the utility model provides a direct current arc discharge detection device for a photovoltaic power station, which comprises an arc discharge detection assembly and a cleaning assembly.
The arc discharge detection assembly comprises an ultraviolet imager and an electric cradle head, and the ultraviolet imager is arranged on the electric cradle head;
the cleaning assembly comprises a water storage box, an electric pump, a transverse pipe, a water inlet pipe, a water outlet pipe, a spray head and a support, wherein the water storage box is arranged at the top of the ultraviolet imager, the support is fixed at the top of the front end of the ultraviolet imager, the transverse pipe is arranged on the support, the spray head is obliquely arranged at the bottom of the transverse pipe, the spray head is communicated with the transverse pipe, the electric pump is arranged on one side of the water storage box, one end of the water inlet pipe is communicated with a water inlet port of the electric pump, the other end of the water inlet pipe is communicated with the inside of the water storage box, one end of the water outlet pipe is communicated with a water outlet port of the electric pump, and the other end of the water outlet pipe is communicated with the transverse pipe.
In one embodiment of the utility model, the top of the water storage box is provided with an opening, the top of the water storage box is provided with a water collecting cover, and the bottom of the water collecting cover is communicated with a sewer pipe.
In one embodiment of the utility model, the cleaning assembly further comprises a filter screen disposed on top of the water collection housing.
In one embodiment of the utility model, the cleaning assembly further comprises a filter cotton plate disposed below the filter mesh.
In one embodiment of the utility model, clamping blocks are clamped at four corners of the top of the water storage box.
In one embodiment of the utility model, a clamping groove matched with the water collecting cover is formed at the bottom of the clamping block.
In one embodiment of the utility model, the inner walls of the clamping grooves are provided with anti-loose gaskets.
In one embodiment of the utility model, the two sides of the water storage box are respectively provided with an ear plate, and a fixing bolt is arranged between the ear plate and the top of the ultraviolet imaging instrument.
The beneficial effects of the utility model are as follows: according to the direct current arc discharge detection device for the photovoltaic power station, which is obtained through the design, when the direct current arc discharge detection device is used, an electric pump pumps a water source in a water storage box through a water inlet pipe, the water source enters a transverse pipe through a water outlet pipe, and finally the water source is sprayed out from a spray head at the bottom of the transverse pipe to the probe surface of an ultraviolet imager to flush and clean attached dust, so that the probe part at the front end of the ultraviolet imager is always in a clean state and is in a good detection state.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a dc arc discharge detection device for a photovoltaic power station according to an embodiment of the present utility model;
FIG. 2 is a schematic view of an ultraviolet imager and cleaning assembly according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a vertical cross-sectional structure of a water storage box and a water collection cover according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of a fixture block structure according to an embodiment of the present utility model.
In the figure: 10-an arc discharge detection assembly; 110-ultraviolet imager; 120-electric cradle head; 20-cleaning the assembly; 210-a water storage box; 211-ear panels; 220-an electric pump; 231-cross tube; 232-water inlet pipe; 233-outlet pipe; 240-spray head; 250-support; 260-a water collection cover; 261-a sewer pipe; 270-a filter screen; 280-filtering cotton plate; 290-clamping blocks; 291-clamping groove; 292-anti-loose shims.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-4, the present utility model provides a dc arc discharge detection apparatus for a photovoltaic power station, which includes an arc discharge detection assembly 10 and a cleaning assembly 20.
The arc discharge detection assembly 10 is used for detecting direct current arc discharge generated by a transformer substation in real time, and the cleaning assembly 20 is capable of cleaning a probe part of the ultraviolet imager 110 in the arc discharge detection assembly 10, and is clear and precise in package detection.
Referring to fig. 1, 2 and 3, the arc discharge detection assembly 10 includes an ultraviolet imager 110 and an electric cradle 120. The ultraviolet imager 110 is mounted on an electric pan-tilt 120. The cleaning assembly 20 includes a water storage cartridge 210, an electric pump 220, a cross pipe 231, a water inlet pipe 232, a water outlet pipe 233, a spray head 240, and a support 250. The water storage box 210 is arranged at the top of the ultraviolet imager 110, the support 250 is fixed at the top of the front end of the ultraviolet imager 110, and the support 250 is fixed with the ultraviolet imager 110 through screws. The transverse pipe 231 is arranged on the support 250, the spray head 240 is obliquely arranged at the bottom of the transverse pipe 231, and the spray head 240 is communicated with the transverse pipe 231. The electric pump 220 is installed on one side of the water storage box 210, one end of the water inlet pipe 232 is communicated with the water inlet port of the electric pump 220, the other end of the water inlet pipe 232 is communicated with the inside of the water storage box 210, one end of the water outlet pipe 233 is communicated with the water outlet port of the electric pump 220, and the other end of the water outlet pipe 233 is communicated with the transverse pipe 231.
The ultraviolet imager 110 cooperates with the electric cradle head 120 to perform arc discharge detection on the transformer substation. When dust adheres to the probe part at the front end of the ultraviolet imager 110, the electric pump 220 can be started, the electric pump 220 pumps the water source inside the water storage box 210 through the water inlet pipe 232 and enters the transverse pipe 231 through the water outlet pipe 233, and finally the water is sprayed out from the spray head 240 at the bottom of the transverse pipe 231 to the probe surface of the ultraviolet imager 110 to flush and clean the adhered dust, so that the probe part at the front end of the ultraviolet imager 110 is always in a clean state and is in a good detection state.
In the above embodiment, referring to fig. 3, the top of the water storage box 210 is provided with an opening, the top of the water storage box 210 is provided with a water collecting cover 260, and the bottom of the water collecting cover 260 is communicated with a sewer 261. The cleaning assembly 20 further includes a filter screen 270, the filter screen 270 being disposed on top of the catchment hood 260. The cleaning assembly 20 further includes a filter cotton plate 280, the filter cotton plate 280 being disposed below the filter screen 270. The water collecting cover 260 can collect rainwater on the rainwater day and store and recycle the rainwater to the inside of the water storage box 210, the rainwater is cleaner after being filtered by the filter screen 270 and the filter cotton plate 280, and the spray head 240 is not easy to be blocked during recycling.
Further, referring to fig. 3 and 4, the four corners of the top of the water storage box 210 are respectively provided with a clamping block 290. A clamping groove 291 matched with the water collecting cover 260 is formed at the bottom of the clamping block 290. The inner walls of the clamping grooves 291 are provided with anti-loose gaskets 292. The clamping block 290 is clamped at the top of the water storage box 210 and used for limiting the filter screen 270, and the anti-loose gasket 292 can be a rubber gasket to increase the friction between the clamping groove 291 and the water collection cover 260. The two sides of the water storage box 210 are respectively provided with an ear plate 211, and a fixing bolt is arranged between the ear plate 211 and the top of the ultraviolet imager 110 and used for fixedly installing the water storage box 210.
It should be noted that, the specific model specification of the electric pump 220 needs to be determined by selecting a model according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted. The power supply of the electric pump 220 and its principle will be clear to a person skilled in the art and will not be described in detail here.
The working principle of the direct current arc discharge detection device for the photovoltaic power station is as follows: when in use, the ultraviolet imager 110 is matched with the electric cradle head 120 to perform arc discharge detection on the transformer substation. When dust adheres to the probe part at the front end of the ultraviolet imager 110, the electric pump 220 can be started, the electric pump 220 pumps the water source inside the water storage box 210 through the water inlet pipe 232 and enters the transverse pipe 231 through the water outlet pipe 233, and finally the water is sprayed out from the spray head 240 at the bottom of the transverse pipe 231 to the probe surface of the ultraviolet imager 110 to flush and clean the adhered dust, so that the probe part at the front end of the ultraviolet imager 110 is always in a clean state and is in a good detection state.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. A direct current draws arc detection device for photovoltaic power plant, characterized by including
The arc discharge detection assembly (10), the arc discharge detection assembly (10) comprises an ultraviolet imager (110) and an electric cradle head (120), and the ultraviolet imager (110) is installed on the electric cradle head (120);
cleaning assembly (20), cleaning assembly (20) include water storage box (210), electric pump (220), violently manage (231), inlet tube (232), outlet pipe (233), shower nozzle (240) and support (250), water storage box (210) set up in ultraviolet imager (110) top, support (250) are fixed in ultraviolet imager (110) front end top, violently manage (231) set up in on support (250), shower nozzle (240) slope set up in violently manage (231) bottom, just shower nozzle (240) with violently manage (231) and be linked together, electric pump (220) install in water storage box (210) one side, inlet tube (232) one end communicate in electric pump (220) water inlet port, just the inlet tube (232) other end with water storage box (210) inside are linked together, outlet tube (233) one end with electric pump (220) water outlet port are linked together, just outlet tube (233) other end with violently manage (231) are linked together.
2. The direct current arc discharge detection device for the photovoltaic power station according to claim 1, wherein the top of the water storage box (210) is arranged in an open mode, a water collection cover (260) is arranged at the top of the water storage box (210), and a sewer pipe (261) is communicated with the bottom of the water collection cover (260).
3. The direct current arc discharge detection apparatus for a photovoltaic power plant according to claim 2, wherein the cleaning assembly (20) further comprises a filter screen (270), the filter screen (270) being disposed on top of the water collection cover (260).
4. A direct current arc discharge detection apparatus for a photovoltaic power plant according to claim 3, characterized in that the cleaning assembly (20) further comprises a filter cotton plate (280), the filter cotton plate (280) being arranged below the filter mesh (270).
5. The direct current arc discharge detection device for the photovoltaic power station according to claim 2, wherein clamping blocks (290) are clamped at four corners of the top of the water storage box (210).
6. The direct current arc discharge detection device for a photovoltaic power plant according to claim 5, wherein a clamping groove (291) matched with the water collecting cover (260) is formed at the bottom of the clamping block (290).
7. The direct current arc discharge detection device for the photovoltaic power station according to claim 6, wherein anti-loosening gaskets (292) are arranged on the inner walls of the clamping grooves (291).
8. The direct current arc discharge detection device for the photovoltaic power station according to claim 1, wherein ear plates (211) are respectively arranged on two sides of the water storage box (210), and fixing bolts are arranged between the ear plates (211) and the top of the ultraviolet imager (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223580402.2U CN219085064U (en) | 2022-12-31 | 2022-12-31 | Direct current arc discharge detection device for photovoltaic power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223580402.2U CN219085064U (en) | 2022-12-31 | 2022-12-31 | Direct current arc discharge detection device for photovoltaic power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219085064U true CN219085064U (en) | 2023-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223580402.2U Active CN219085064U (en) | 2022-12-31 | 2022-12-31 | Direct current arc discharge detection device for photovoltaic power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219085064U (en) |
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2022
- 2022-12-31 CN CN202223580402.2U patent/CN219085064U/en active Active
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