CN217984979U - Photovoltaic panel high-frequency airflow dust removal nozzle with negative pressure dust collection function - Google Patents
Photovoltaic panel high-frequency airflow dust removal nozzle with negative pressure dust collection function Download PDFInfo
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- CN217984979U CN217984979U CN202122825075.1U CN202122825075U CN217984979U CN 217984979 U CN217984979 U CN 217984979U CN 202122825075 U CN202122825075 U CN 202122825075U CN 217984979 U CN217984979 U CN 217984979U
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Abstract
The utility model discloses a photovoltaic panel high-frequency airflow dust removal nozzle with negative pressure dust collection function, which comprises a shell, a multi-stage expansion cavity and a negative pressure dust collection cavity; the multi-stage expansion cavity consists of a multi-stage expansion cavity air inlet, a rectangular air storage tank, an expansion combination cavity and a multi-stage expansion cavity air outlet; the negative pressure dust absorption cavity comprises a negative pressure dust absorption cavity air inlet pipe, an airflow compression pipe, a supersonic speed spray pipe, a vacuum cavity and a dust absorption cavity. The utility model discloses a plurality of expansion combination cavities expand high-pressure draught repeatedly, thereby produce the high frequency torrent air current and remove dust the operation, and through the negative pressure dust absorption cavity of integrated in the nozzle, blow up the dust particle that reaches the suspended state to the photovoltaic panel on, damage photovoltaic panel surface when having solved current dust collector and having removed dust, remove dust not thorough scheduling problem, and inside key parts is difficult for receiving the influence of surrounding environment factor, thereby can guarantee long-time stable cleaning.
Description
Technical Field
The utility model belongs to the technical field of injection apparatus, a dust removal nozzle is related to, concretely relates to have photovoltaic panel high frequency air current dust removal nozzle of negative pressure dust absorption function concurrently.
Background
Solar energy is an inexhaustible clean, safe and renewable energy source with the most development potential. Currently, for the utilization of solar energy, the solar energy is mainly used in the fields of photoelectricity, photothermal, photobiology and the like, wherein the photovoltaic power generation technology has the most potential and mature technology. The photovoltaic power generation technology is a recycling means for absorbing and converting solar energy by using a photovoltaic panel, the photovoltaic panel is used as an important component in the photovoltaic power generation technology, and along with the accumulation of the service time of power generation equipment, a layer of dust and impurities can be accumulated on the light facing surface of the photovoltaic panel, so that the absorption and conversion efficiency of the photovoltaic panel on sunlight can be seriously influenced. Therefore, it is essential to clean the photovoltaic panel regularly.
At present, most of dust removal methods for photovoltaic modules at home and abroad are contact dust removal, the surface of a photovoltaic panel is easily damaged due to friction between a dust removal device and the photovoltaic panel, and the damage on the surface of the photovoltaic panel can aggravate sunlight diffuse reflection to influence the light transmittance of the photovoltaic panel, so that the power generation performance of the photovoltaic modules is damaged. Most of the existing non-contact cleaning modes are low-frequency airflow impact or ultrasonic dust removal, and the cleaning modes have the problem of incomplete dust removal, so that a layer of dust mucous membrane is formed on the surface of the photovoltaic panel; and dust collector inner structure is too complicated, and its key part sensitivity is higher, easily receives the influence of surrounding environment factor, is difficult to guarantee long-time stable clean work. In addition, the dust is not collected in time after the surface of the photovoltaic panel is cleaned in the conventional cleaning mode, and a part of the raised dust falls on the surface of the photovoltaic panel, which is also an important reason for incomplete dust removal of the photovoltaic panel. Therefore, it is necessary to design a non-contact type cleaning device with dust collection function and thorough dust removal.
Disclosure of Invention
The utility model aims at prior art's not enough, provide a have photovoltaic panel high frequency air current dust removal nozzle of negative pressure dust absorption function concurrently, this nozzle can produce and utilize the high frequency torrent to accomplish cleaning, and can in time adsorb and collect the dust after cleaing away, has high efficiency, stable, the thorough characteristics of dust removal.
The utility model relates to a have photovoltaic panel high frequency air current dust removal nozzle of negative pressure dust absorption function concurrently, including shell, multistage expansion cavity and negative pressure dust absorption cavity.
The multi-stage expansion cavity consists of a multi-stage expansion cavity air inlet, a rectangular air storage tank, an expansion combination chamber and a multi-stage expansion cavity air outlet; the air inlet end of the air inlet of the multistage expansion cavity is fixed in the shell and is communicated with an air inlet hole formed in the shell; the air outlet end of the air inlet of the multistage expansion cavity is fixed on the rectangular air storage tank and is communicated with the air inlet end of the rectangular air storage tank; the air outlet end of the rectangular air storage tank is connected with the air outlets of the multistage expansion cavities through a plurality of expansion combined chambers; the air outlet of the multistage expansion cavity is arranged at the position of an air outlet channel arranged on the shell and is fixed with the shell; the expansion combined chamber consists of a right-angled triangular groove and a rectangular airflow channel; and the air inlet end of the right-angled triangular groove is arranged at a right-angled position and is communicated with the air outlet end of the rectangular airflow channel.
The negative pressure dust collection cavity comprises a negative pressure dust collection cavity air inlet pipe, an airflow compression pipe, a supersonic speed spray pipe, a vacuum cavity and a dust collection cavity; the air inlet end of the negative pressure dust suction cavity air inlet pipe extends out of the shell; the air inlet end of the airflow compression pipe is fixed and communicated with the air outlet end of the air inlet pipe of the negative pressure dust collection cavity; the air outlet end of the airflow compression pipe is fixed and communicated with the air inlet end of the supersonic speed spray pipe, and the air outlet end of the supersonic speed spray pipe is fixed at one end of the vacuum cavity and inserted into the inner cavity of the vacuum cavity; the vacuum cavity is fixed in the shell; an exhaust port at the other end of the vacuum cavity extends out of the shell; the dust outlet of the dust suction cavity is fixed with the side wall of the vacuum cavity and is communicated with the side wall opening of the vacuum cavity; the dust suction port of the dust suction cavity is arranged at the position of a dust suction channel formed in the shell; the dust absorption channel of the shell is arranged near the air outlet channel.
Preferably, in the expansion combination chamber closest to the rectangular air storage groove, the air inlet end of the rectangular air flow channel is communicated with the air outlet end of the rectangular air storage groove; in two adjacent expansion combined chambers, the air outlet end of a right-angled triangular groove of the expansion combined chamber close to the rectangular air storage groove is communicated with the air inlet end of a rectangular airflow channel of the other expansion combined chamber; in the expansion combined chamber closest to the air outlet of the multistage expansion cavity, the air outlet end of the right-angled triangular groove is communicated with the air inlet end of the air outlet of the multistage expansion cavity.
Preferably, the air inlet end of the negative pressure dust suction cavity air inlet pipe is connected with the air inlet end of the air inlet threaded sleeve through threads.
Preferably, the end of the vacuum cavity far away from the supersonic nozzle is fixed with the air inlet end of the diffuser pipe; the air inlet end of the diffusion pipe is inserted into the inner cavity of the vacuum cavity; the air outlet end of the supersonic speed spray pipe is opposite to the air inlet end of the diffusion pipe and is arranged at a distance; and the air outlet end of the diffusion pipe extends out of the shell to be used as an air outlet.
More preferably, the air outlet end of the diffusion pipe is connected with the air inlet end of the dust collection screw sleeve through a screw thread, and the air outlet end of the dust collection screw sleeve is connected with a dust collection pipeline.
More preferably, one end of the vacuum cavity connected with the diffusion pipe is an invaginated circular table surface.
Preferably, an included angle between the orientation of the air outlet of the multistage expansion cavity and the orientation of the dust suction port of the dust suction cavity is 45 degrees.
Preferably, the cross section of the dust suction cavity is rectangular; the dust suction opening of the dust suction cavity is rectangular with the length-width ratio larger than 20, and two side walls of the dust suction cavity, where the wide sides are located, are curved surfaces.
The utility model has the advantages that:
1. the utility model discloses a non-contact dust removal mode causes the condition of photovoltaic panel surface damage when having avoided conventional dust collector and photovoltaic panel surface contact. And, the utility model discloses a plurality of expansion combination cavities expand high-pressure draught repeatedly to produce high frequency torrent air current and remove dust the operation, replace and use more non-contact low frequency air current impact or ultrasonic dedusting at present, solved the not thorough problem of conventional dust collector dust removal.
2. The utility model discloses when the high frequency torrent air current removes dust the operation, through the negative pressure dust absorption cavity of integration in the nozzle, blow up the dust granule that reaches the suspended state by high frequency torrent air current on to the photovoltaic panel and collect, the dust granule that has reduced the suspended state greatly is again wafted and is fallen the condition on photovoltaic panel surface and take place to make photovoltaic panel surface remove dust more thoroughly.
3. The utility model discloses a negative pressure dust absorption cavity is steady exhaust after the diffuser tube deceleration at the mixed air current that contains the dust granule of last output to the noise of photovoltaic panel surface dust removal in-process has been reduced.
4. The utility model discloses an invagination round platform face structural design of vacuum cavity can prevent that wall collision, granule from blockking up and invalid vortex problem from appearing in the negative pressure dust absorption cavity, and the structural design in dust absorption cavity can utilize the kangda effect reinforcing suction in the negative pressure dust absorption cavity, can reduce dust absorption cavity volume again, increases pressure.
5. The utility model discloses simple structure, inside key parts are difficult for receiving the influence of surrounding environment factor to can guarantee long-time stable cleaning.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the multi-stage expansion chamber of the present invention.
Fig. 3 is a schematic structural view of the middle negative pressure dust suction chamber of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings.
As shown in fig. 1, 2 and 3, a photovoltaic panel high-frequency airflow dust removal nozzle with negative pressure dust removal function includes a housing 1, a multi-stage expansion cavity 2 and a negative pressure dust removal cavity 3.
As shown in fig. 1 and fig. 2, the multistage expansion cavity 2 is composed of a multistage expansion cavity air inlet 21, a rectangular air storage tank 22, an expansion combination chamber and a multistage expansion cavity air outlet 25; the air inlet end of the air inlet 21 of the multistage expansion cavity is fixed in the shell 1 and is communicated with an air inlet 12 arranged on the shell; the air inlet hole 12 of the shell can be connected with an air inlet pipeline and is used for inputting high-pressure air; the air outlet end of the air inlet 21 of the multistage expansion cavity is fixed on the rectangular air storage tank 22 and is communicated with the air inlet end of the rectangular air storage tank 22; the air outlet end of the rectangular air storage tank 22 is connected with the air outlet 25 of the multi-stage expansion cavity through a plurality of expansion combined chambers; the multi-stage expansion cavity air outlet 25 is arranged at the position of the air outlet channel 13 arranged on the shell 1 and is fixed with the shell 1; the expansion combination chamber consists of a right-angled triangular groove 23 and a rectangular airflow channel 24; the air inlet end of the right-angled triangular groove 23 is arranged at a right-angled position and is communicated with the air outlet end of the rectangular airflow channel 24.
As shown in fig. 1 and 3, the vacuum cleaning cavity 3 includes a vacuum cleaning cavity inlet pipe 31, an airflow compression pipe 32, a supersonic nozzle 33, a vacuum cavity 34 and a cleaning cavity 35; the air inlet end of the negative pressure dust suction cavity air inlet pipe 31 extends out of the shell; the air inlet end of the airflow compression pipe 32 is fixed and communicated with the air outlet end of the negative pressure dust suction cavity air inlet pipe 31; the air outlet end of the airflow compression pipe 32 is fixed and communicated with the air inlet end of the supersonic speed spray pipe 33, the air outlet end of the supersonic speed spray pipe 33 is fixed at one end of the vacuum cavity 34 and is inserted into the inner cavity of the vacuum cavity 34; the vacuum chamber 34 is fixed inside the housing 1; the exhaust port at the other end of the vacuum chamber 34 extends out of the housing; a dust outlet of the dust suction cavity 35 is fixed with the side wall of the vacuum cavity 34 and is communicated with an opening of the side wall of the vacuum cavity 34; the dust suction port 36 of the dust suction cavity 35 is arranged at the position of the dust suction channel 14 arranged on the shell 1; the dust suction channel 14 of the housing 1 opens in the vicinity of the air outlet channel 13.
In the expansion combination chamber closest to the rectangular air receiver 22, the air inlet end of the rectangular air flow channel 24 is communicated with the air outlet end of the rectangular air receiver 22; in two adjacent expansion combined chambers, the air outlet end of a right-angled triangular groove 23 of the expansion combined chamber close to the rectangular air storage groove 22 is communicated with the air inlet end of a rectangular air flow channel 24 of the other expansion combined chamber; in the expansion combined chamber closest to the air outlet 25 of the multistage expansion cavity, the air outlet end of the right-angled triangular groove 23 is communicated with the air inlet end of the air outlet 25 of the multistage expansion cavity.
As a preferred embodiment, the air inlet end of the negative pressure dust suction cavity air inlet pipe 31 is connected with the air inlet end of the air inlet threaded sleeve 15 through threads; the air outlet end of the air inlet threaded sleeve can be connected with an air inlet pipeline and used for inputting high-pressure air.
As a preferred embodiment, the end of the vacuum chamber 34 remote from the supersonic nozzle 33 is fixed to the inlet end of the diffuser pipe 37; the air inlet end of the diffusion pipe 37 is inserted into the inner cavity of the vacuum cavity 34; the air outlet end of the supersonic speed spray pipe 33 is opposite to the air inlet end of the diffusion pipe 37 and is arranged at a distance; the air outlet end of the diffusion pipe 37 extends out of the shell to be used as an air outlet; the diffuser pipe 37 decelerates the mixed air flow containing the dust particles to smoothly discharge the air, thereby reducing noise.
As a more preferred embodiment, the outlet end of the diffuser pipe 37 is connected to the inlet end of the dust collection screw 11 by a screw, and the outlet end of the dust collection screw 11 is connected to a dust collection pipe for collecting dust.
As a more preferred embodiment, as shown in FIG. 3, the end of the vacuum chamber 34 connected to the diffuser tube 37 is a recessed circular table; the dome design of the vacuum chamber 34 prevents wall collisions, particle clogging and ineffective vortex problems.
As a preferred embodiment, the angle between the orientation of the air outlet 25 of the multi-stage expansion chamber and the orientation of the dust suction port 36 of the dust suction chamber 35 is 45 degrees, so that the dust suction effect can be optimized.
As a preferred embodiment, the cross section of the dust suction cavity 35 is rectangular, the dust suction port of the dust suction cavity 35 is rectangular with an aspect ratio greater than 20, and two side walls of the rectangular cross sections of the dust suction cavity, where the wide sides are located, are both curved surfaces; the structure of the dust suction cavity can enhance suction force by utilizing the coanda effect on one hand, and reduces the volume of the dust suction cavity and increases pressure intensity on the other hand.
Under the condition that all above-mentioned each item embodiment possessed, the utility model discloses a theory of operation is:
high-pressure air flow (which can be provided by an air compressor) simultaneously conveys air to the air inlet 12 of the shell and the air inlet end of the negative pressure dust suction cavity air inlet pipe 31; the high-pressure airflow of the air inlet 12 is sent to the rectangular air storage tank 22 through the air inlet 21 of the multistage expansion cavity, then passes through the rectangular airflow channels 24 and the right-angled triangular grooves 23 of the plurality of expansion combination chambers, and the special shape of the right-angled triangular grooves 23 enables the airflow to be repeatedly expanded by the plurality of expansion combination chambers when flowing, so that high-frequency turbulent airflow is generated; the high-frequency turbulent airflow is discharged to the surface of the photovoltaic panel through the air outlet 25 of the multi-stage expansion cavity, dust particles on the surface of the photovoltaic panel to be cleaned are blown up to reach a suspension state, and the high-frequency turbulent airflow improves the dust removal rate; the high-pressure airflow in the negative pressure dust suction cavity air inlet pipe 31 is compressed by the airflow compression pipe 32 and then is conveyed into the supersonic speed spray pipe 33, the airflow speed continuously increases until the airflow speed exceeds the sonic speed along with the increase of the cross section area of the supersonic speed spray pipe 33, so that supersonic jet flow is obtained, a negative pressure area is formed at the air outlet end of the supersonic speed spray pipe 33, and a entrainment effect is caused; the gas in the vacuum cavity 34 moves towards the outlet end of the supersonic speed nozzle 33 under the influence of the negative pressure area, so that the gas pressure in the dust suction cavity 34 is lower than the atmospheric pressure, dust particles which reach a suspension state on the photovoltaic panel are sucked into the vacuum cavity 34 through the dust suction port 36 to be mixed with the supersonic speed jet, and the mixed gas is discharged after being decelerated (noise is reduced) through the diffusion pipe 37 and collected.
Claims (8)
1. The utility model provides a have photovoltaic panel high frequency air current dust removal nozzle of negative pressure dust absorption function concurrently, includes multistage expansion cavity, its characterized in that: the vacuum cleaner also comprises a shell and a negative pressure dust absorption cavity;
the multi-stage expansion cavity consists of a multi-stage expansion cavity air inlet, a rectangular air storage tank, an expansion combination chamber and a multi-stage expansion cavity air outlet; the air inlet of the multistage expansion cavity is fixed in the shell and is communicated with an air inlet hole formed in the shell; the air outlet end of the air inlet of the multistage expansion cavity is fixed on the rectangular air storage tank and is communicated with the air inlet end of the rectangular air storage tank; the air outlet end of the rectangular air storage tank is connected with the air outlets of the multistage expansion cavities through a plurality of expansion combined chambers; the air outlet of the multistage expansion cavity is arranged at the position of an air outlet channel arranged on the shell and is fixed with the shell; the expansion combined chamber consists of a right-angled triangular groove and a rectangular airflow channel; the air inlet end of the right-angled triangular groove is arranged at a right-angled position and is communicated with the air outlet end of the rectangular airflow channel;
the negative pressure dust collection cavity comprises a negative pressure dust collection cavity air inlet pipe, an airflow compression pipe, a supersonic speed spray pipe, a vacuum cavity and a dust collection cavity; the air inlet end of the negative pressure dust suction cavity air inlet pipe extends out of the shell; the air inlet end of the airflow compression pipe is fixed and communicated with the air outlet end of the air inlet pipe of the negative pressure dust collection cavity; the air outlet end of the airflow compression pipe is fixed and communicated with the air inlet end of the supersonic speed spray pipe, and the air outlet end of the supersonic speed spray pipe is fixed at one end of the vacuum cavity and inserted into the inner cavity of the vacuum cavity; the vacuum cavity is fixed in the shell; an exhaust port at the other end of the vacuum cavity extends out of the shell; the dust outlet of the dust suction cavity is fixed with the side wall of the vacuum cavity and is communicated with the side wall opening of the vacuum cavity; the dust suction port of the dust suction cavity is arranged at the position of a dust suction channel formed in the shell; the dust absorption channel of the shell is arranged near the air outlet channel.
2. The photovoltaic panel high-frequency airflow dust removal nozzle with the negative pressure dust collection function according to claim 1, wherein: in the expansion combined chamber closest to the rectangular gas storage groove, the gas inlet end of the rectangular gas flow channel is communicated with the gas outlet end of the rectangular gas storage groove; in two adjacent expansion combined chambers, the air outlet end of a right-angled triangular groove of the expansion combined chamber close to the rectangular air storage groove is communicated with the air inlet end of a rectangular airflow channel of the other expansion combined chamber; in the expansion combined chamber closest to the air outlet of the multistage expansion cavity, the air outlet end of the right-angled triangular groove is communicated with the air inlet end of the air outlet of the multistage expansion cavity.
3. The photovoltaic panel high-frequency airflow dust removal nozzle with the negative pressure dust collection function according to claim 1, wherein: the air inlet end of the negative pressure dust collection cavity air inlet pipe is connected with the air inlet end of the air inlet threaded sleeve through threads.
4. The photovoltaic panel high-frequency airflow dust removal nozzle with the negative pressure dust collection function according to claim 1, wherein: the end of the vacuum cavity far away from the supersonic speed spray pipe is fixed with the gas inlet end of the diffusion pipe; the air inlet end of the diffusion pipe is inserted into the inner cavity of the vacuum cavity; the air outlet end of the supersonic speed spray pipe is opposite to the air inlet end of the diffusion pipe and is arranged at a distance; and the air outlet end of the diffusion pipe extends out of the shell to be used as an air outlet.
5. The photovoltaic panel high-frequency airflow dust removal nozzle with the negative pressure dust removal function according to claim 4, wherein: the air outlet end of the diffusion pipe is connected with the air inlet end of the dust collection screw sleeve through threads, and the air outlet end of the dust collection screw sleeve is connected with a dust collection pipeline.
6. The photovoltaic panel high-frequency airflow dust removal nozzle with the negative pressure dust removal function according to claim 4, wherein: the end of the vacuum cavity connected with the diffusion pipe is an invaginated round table surface.
7. The photovoltaic panel high-frequency airflow dust removal nozzle with the negative pressure dust collection function according to claim 1, wherein: the included angle between the orientation of the air outlet of the multistage expansion cavity and the orientation of the dust suction opening of the dust suction cavity is 45 degrees.
8. The photovoltaic panel high-frequency airflow dust removal nozzle with the negative pressure dust collection function according to claim 1, wherein: the dust suction opening of the dust suction cavity is rectangular with the length-width ratio larger than 20, and two side walls of the dust suction cavity, where the wide sides are located, are curved surfaces.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122825075.1U CN217984979U (en) | 2021-11-18 | 2021-11-18 | Photovoltaic panel high-frequency airflow dust removal nozzle with negative pressure dust collection function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122825075.1U CN217984979U (en) | 2021-11-18 | 2021-11-18 | Photovoltaic panel high-frequency airflow dust removal nozzle with negative pressure dust collection function |
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| CN217984979U true CN217984979U (en) | 2022-12-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117411429A (en) * | 2023-10-24 | 2024-01-16 | 四川蜀旺新能源股份有限公司 | Atomization cooling system with surface spraying function |
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2021
- 2021-11-18 CN CN202122825075.1U patent/CN217984979U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117411429A (en) * | 2023-10-24 | 2024-01-16 | 四川蜀旺新能源股份有限公司 | Atomization cooling system with surface spraying function |
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