CN108499990B - Detachable vacuum tube cleaning device - Google Patents
Detachable vacuum tube cleaning device Download PDFInfo
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- CN108499990B CN108499990B CN201810193653.4A CN201810193653A CN108499990B CN 108499990 B CN108499990 B CN 108499990B CN 201810193653 A CN201810193653 A CN 201810193653A CN 108499990 B CN108499990 B CN 108499990B
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- gear
- cleaning
- vacuum tube
- fixedly arranged
- hole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/023—Cleaning the external surface
Abstract
The invention provides a detachable vacuum tube cleaning device, and belongs to the technical field of machinery. A detachable vacuum tube cleaning device comprises an underframe, wherein a water tank and a plurality of vacuum tubes are fixedly arranged on the underframe, one ends of the vacuum tubes are fixedly arranged on the water tank, a screw rod and a sliding rod are fixedly arranged on the underframe, the screw rod and the sliding rod are parallel to each other, mounting frames are arranged at two ends of the screw rod and the sliding rod, and the mounting frames are detachably mounted on the underframe; the base frame is provided with a mobile station, two ends of the mobile station are respectively provided with a first through hole and a second through hole, the mobile station is sleeved on the screw rod and the slide rod through the first through hole and the second through hole, and the mobile station can translate on the screw rod and the slide rod; the lower part of the mobile station is provided with a plurality of cleaning structures for cleaning the outer surfaces of the vacuum tubes; the upper part of the mobile station is provided with a driving mechanism for driving the cleaning structure to clean and controlling the mobile station to move. The vacuum tube cleaning device has the advantages of efficiently removing dirt on the surface of the vacuum tube, being convenient to disassemble and assemble and having a wide application range.
Description
Technical Field
The invention belongs to the technical field of machinery, and particularly relates to a detachable vacuum tube cleaning device.
Background
A Solar water heater (Solar water heater) refers to a water heater that heats by using Solar energy as an energy source. Is one of three water heaters which are parallel to a gas water heater and an electric water heater. The solar water heater converts solar energy into heat energy, heats water from low temperature to high temperature, and meets the requirement of hot water in life and production.
However, the vacuum tube is used as a core element of the solar water heater, and is exposed in the natural environment for a long time in the use process, external dust and other objects can be attached to the vacuum tube, and when sunlight irradiates the vacuum tube, the dust on the surface of the vacuum tube is blocked, so that the heat absorption efficiency is reduced.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a detachable vacuum tube cleaning device which has the characteristics of efficiently removing dirt on the surface of a vacuum tube, being convenient to detach and install and having a wide application range.
The purpose of the invention can be realized by the following technical scheme: a detachable vacuum tube cleaning device comprises an underframe, wherein a water tank and a plurality of vacuum tubes are fixedly arranged on the underframe, and one ends of the vacuum tubes are fixedly arranged on the water tank; the device is characterized in that a screw rod and a sliding rod are fixedly arranged on the underframe and are parallel to each other, mounting frames are arranged at two ends of the screw rod and the sliding rod, and the mounting frames are detachably mounted on the underframe; the movable platform is arranged on the bottom frame, a first through hole and a second through hole are formed in two ends of the movable platform respectively, the movable platform is sleeved on the screw rod and the sliding rod through the first through hole and the second through hole, and the movable platform can move on the screw rod and the sliding rod in a translation mode; the lower part of the moving table is provided with a plurality of cleaning structures for cleaning the outer surface of the vacuum tube; and the upper part of the mobile platform is provided with a driving mechanism for driving the cleaning structure to clean and controlling the mobile platform to move.
The working principle of the invention is as follows: the driving mechanism is started, drives the cleaning structure to operate, enables the moving platform to move back and forth on the screw rod and the sliding rod, efficiently cleans the outer surface of the vacuum tube, and improves the heat absorption efficiency of the vacuum tube. The invention has simple structure and high cleaning efficiency, can adapt to the application in various urban environments, can simultaneously control the movement of the mobile station and the starting of the cleaning structure by the driving mechanism, and has novel structure; the device can be freely disassembled and installed on solar water heaters of different styles, and has a wide application range.
In the cleaning device, the cleaning structure comprises a fixed frame, a rotating cylinder, a first gear and an auxiliary gear, the fixed frame is arranged at the lower part of the mobile station, and a third through hole is formed in the fixed frame; the rotating cylinder penetrates through the third through hole and can rotate in the third through hole, and a channel through which the vacuum tube can penetrate is formed in the rotating cylinder; the two ends of the rotating cylinder are sleeved with limiting rings for limiting the radial movement of the rotating cylinder, and the limiting rings are fixedly arranged on the fixed frame; the first gear is rotationally arranged on the fixed frame, the pinion is coaxially and fixedly arranged on the rotating cylinder, and the first gear is meshed with the pinion; the rotating cylinder is provided with mounting parts at two ends, and cleaning wheels used for cleaning the outer surface of the vacuum tube are detachably arranged on the mounting parts.
When the rotating cylinder rotates, the cleaning wheels at two ends rotate simultaneously, the brushes at the inner rings of the cleaning wheels clean the outer part of the vacuum tube efficiently, and the detachable installation of the cleaning wheels can be replaced when the using effect of the cleaning wheels is poor; the diameter of a channel on the rotating cylinder is larger than that of the vacuum tube; the limiting ring on the fixing frame can ensure that the rotating cylinder can only axially rotate.
In the cleaning device, a slide way is arranged in the movable table, a sliding part is fixedly arranged on the fixed frame, the sliding part is arranged in the slide way, and the sliding part can be fixedly arranged at the lower part of the movable table through a plurality of fixing screws; the lower part of the mobile station is provided with an opening communicated with the slide way, the upper part of the first gear is clamped in from the opening, and the upper part of the first gear is positioned in the slide way.
The fixing frame can move in a slide way of the moving platform, can be adjusted according to the distance between adjacent vacuum tubes, and can be fixed through a fixing screw after being adjusted; the application range of the invention is wider.
In the cleaning device, the cleaning wheel comprises a first cleaning piece and a second cleaning piece, the first cleaning piece and the second cleaning piece are semicircular, one end of the first cleaning piece is hinged with one end of the second cleaning piece, the other end of the first cleaning piece is hinged with a buckle, the other end of the second cleaning piece is fixedly provided with a bulge, and the buckle can be buckled on the bulge.
When the cleaning wheel is replaced, the buckle is only required to be released from the protrusion, the first cleaning piece and the second cleaning piece are detached and taken down, and a new cleaning wheel is installed again; through this kind of mode, need not dismantle convenient and fast to the vacuum tube.
In the cleaning device, the screw rod is rotatably provided with a threaded pipe, one end of the threaded pipe is connected with a rotating pipe, and the rotating pipe can rotate relative to the threaded pipe; the rotating pipe is fixedly arranged in the first through hole, and the threaded pipe is coaxially and fixedly provided with a second gear.
When the screwed pipe rotates, the screwed pipe can translate on the screw rod, the rotating pipe can rotate relative to the screwed pipe, the screwed pipe rotates, the rotating pipe does not move, and the screwed pipe can drive the moving platform to move.
In the cleaning device, the driving mechanism comprises a third gear, a fourth gear, a fifth gear, a first motor and a chain, the first motor is fixedly arranged at the upper part of the moving platform, an output shaft of the first motor is horizontally arranged, the third gear is coaxially and fixedly arranged on the output shaft of the first motor, the fourth gear is rotatably arranged on the moving platform, and the fourth gear is meshed with the second gear; the fifth gear is coaxially and fixedly arranged on the fourth gear; the chain is sleeved on the fifth gear and the third gear, and the chain is connected with the first gear and can drive the first gear to rotate.
The first motor is started, the first motor drives the third gear to rotate, the third gear drives the chain and the fourth gear to rotate, the chain drives the first gear to rotate, and the first gear drives the cleaning wheel at the lower part to rotate for cleaning; the fourth gear rotates to drive the fifth gear to rotate, the fifth gear rotates to drive the second gear to rotate, and the second gear rotates to drive the threaded pipe to rotate.
By the driving mode, only one first motor is needed to control the operation of the cleaning structure and the movement of the mobile station.
In the above cleaning device, a tooth ratio of the fourth gear to the second gear is at least 1: 5. The tooth proportion can ensure that the moving platform moves slowly on the screw rod and the sliding rod in the process of cleaning the cleaning wheel at high speed, so that the surface of the vacuum tube is cleaner.
In the cleaning device, the solar photovoltaic panel group and the controller are fixedly arranged on the upper part of the mobile station, and the solar photovoltaic panel group and the first motor are connected with the controller through a circuit. Can be cleaned fully automatically by the controller.
Compared with the prior art, the invention has the following advantages:
1. the invention has simple structure and high cleaning efficiency, can adapt to the application in various urban environments, can simultaneously control the movement of the mobile station and the starting of the cleaning structure by the driving mechanism, and has novel structure; the device can clean the surface of the vacuum tube with high efficiency, can be freely disassembled and installed on solar water heaters of different styles, and has wide application range.
2. When the rotating cylinder rotates, the cleaning wheels at two ends rotate simultaneously, the brushes at the inner rings of the cleaning wheels efficiently clean the outer part of the vacuum tube, and the detachable installation of the cleaning wheels can be replaced when the using effect of the cleaning wheels is deteriorated.
3. The fixing frame can move in a slide way of the moving platform, can be adjusted according to the distance between adjacent vacuum tubes, and can be fixed through a fixing screw after being adjusted; the application range of the invention is wider.
Drawings
FIG. 1 is a schematic of the present invention.
Fig. 2 is a schematic view of the drive mechanism of the present invention.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is a schematic view of a threaded pipe and a rotating pipe according to the present invention.
Fig. 5 is a schematic view of a cleaning structure in the present invention.
In the figure, 1, a chassis; 2. a vacuum tube; 3. a water tank; 4. a screw; 5. a slide bar; 6. a mobile station; 7. a fixed mount; 8. a rotating cylinder; 9. a first gear; 10. a channel; 11. a limiting ring; 12. a cleaning wheel; 13. a slideway; 14. a sliding part; 15. a first cleaning member; 16. a second cleaning member; 17. buckling; 18. a protrusion; 19. a threaded pipe; 20. rotating the tube; 21. a second gear; 22. a third gear; 23. a fourth gear; 24. a fifth gear; 25. a first motor; 26. a chain; 27. a solar photovoltaic panel group; 28. a controller; 29. a pinion gear.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 5, a cleaning device for cleaning the outer surfaces of vacuum tubes in a solar water heater comprises a bottom frame 1, wherein a water tank 3 and a plurality of vacuum tubes 2 are fixedly arranged on the bottom frame 1, and one ends of the vacuum tubes 2 are fixedly arranged on the water tank 3; the device is characterized in that a screw rod 4 and a slide rod 5 are fixedly arranged on the underframe 1, the screw rod 4 and the slide rod 5 are parallel to each other, mounting frames are arranged at two ends of the screw rod 4 and the slide rod 5, and the mounting frames are detachably mounted on the underframe 1; (ii) a The base frame 1 is provided with a mobile station 6, two ends of the mobile station 6 are respectively provided with a first through hole and a second through hole, the mobile station 6 is sleeved on the screw rod 4 and the slide rod 5 through the first through hole and the second through hole, and the mobile station 6 can move on the screw rod 4 and the slide rod 5 in a translation manner; the lower part of the moving table 6 is provided with a plurality of cleaning structures for cleaning the outer surface of the vacuum tube 2; the upper part of the moving platform 6 is provided with a driving mechanism for driving the cleaning structure to clean and controlling the moving platform 6 to move.
The invention has simple structure and high cleaning efficiency, can be suitable for application in various urban environments, can simultaneously control the movement of the mobile station 6 and the starting of the cleaning structure, and has novel structure.
The cleaning structure comprises a fixed frame 7, a rotating cylinder 8 and a first gear 9, wherein the fixed frame 7 is arranged at the lower part of the mobile station 6, and a third through hole is formed in the fixed frame 7; the rotating cylinder 8 penetrates through the third through hole, the rotating cylinder 8 can rotate in the third through hole, and a channel 10 through which the vacuum tube 2 can penetrate is formed in the rotating cylinder 8; two ends of the rotating cylinder 8 are sleeved with limiting rings 11 used for limiting the radial movement of the rotating cylinder 8, and the limiting rings 11 are fixedly arranged on the fixed frame 7; the first gear is rotationally arranged on the fixed frame 7, the pinion 29 is coaxially and fixedly arranged on the rotating cylinder 8, and the first gear 9 is meshed with the pinion 29; the two ends of the rotating cylinder 8 are provided with installation parts, and cleaning wheels 12 used for cleaning the outer surface of the vacuum tube 2 are detachably arranged on the installation parts.
When the rotating cylinder 8 rotates, the cleaning wheels 12 at two ends rotate simultaneously, the brushes at the inner rings of the cleaning wheels 12 clean the outside of the vacuum tube 2 efficiently, and the detachable installation of the cleaning wheels 12 can be replaced when the using effect of the cleaning wheels 12 is poor; the diameter of a channel 10 on the rotating cylinder 8 is larger than that of the vacuum tube 2; the limiting ring 11 on the fixing frame 7 can ensure that the rotating cylinder 8 can only axially rotate.
Specifically, a slide way 13 is arranged in the mobile station 6, a sliding part 14 is fixedly arranged on the fixed frame 7, the sliding part 14 is arranged in the slide way 13, and the sliding part 14 can be fixedly arranged at the lower part of the mobile station 6 through a plurality of fixing screws; an opening communicated with the slide way 13 is formed in the lower portion of the moving table 6, the upper portion of the first gear 9 is clamped in from the opening, and the upper portion of the first gear 9 is located in the slide way 13.
The fixed frame 7 can move in a slide way 13 of the moving platform 6, can be adjusted according to the distance between the adjacent vacuum tubes 2, and can be fixed through a fixing screw after being adjusted; the application range of the invention is wider.
Specifically, the cleaning wheel 12 comprises a first cleaning piece 15 and a second cleaning piece 16, the first cleaning piece 15 and the second cleaning piece 16 are both semicircular, one end of the first cleaning piece 15 is hinged with one end of the second cleaning piece 16, the other end of the first cleaning piece 15 is hinged with a buckle 17, the other end of the second cleaning piece 16 is fixedly provided with a bulge 18, and the buckle 17 can be buckled on the bulge 18.
When the cleaning wheel 12 is replaced, the buckle 17 is only required to be detached from the protrusion 18, the first cleaning piece 15 and the second cleaning piece 16 are detached and taken down, and a new cleaning wheel 12 is installed again; in this way, the vacuum tube 2 does not need to be disassembled, and the method is convenient and quick.
Specifically, a threaded pipe 19 is rotatably arranged on the screw rod 4, one end of the threaded pipe 19 is connected with a rotating pipe 20, and the rotating pipe 20 can rotate relative to the threaded pipe 19; the rotating pipe 20 is fixedly arranged in the first through hole, and the threaded pipe 19 is coaxially and fixedly provided with a second gear 21.
When the threaded pipe 19 rotates, the threaded pipe 19 can translate on the screw rod 4, the rotating pipe 20 can rotate relative to the threaded pipe 19, the threaded pipe 19 rotates, the rotating pipe 20 does not move, and then the threaded pipe 19 can drive the moving platform 6 to move.
Specifically, the driving mechanism comprises a third gear 22, a fourth gear 23, a fifth gear 24, a first motor 25 and a chain 26, wherein the first motor 25 is fixedly arranged at the upper part of the moving platform 6, an output shaft of the first motor is horizontally arranged, the third gear 22 is coaxially and fixedly arranged on the output shaft of the first motor 25, the fourth gear 23 is rotatably arranged on the moving platform 6, and the fourth gear 23 is meshed with the second gear 21; the fifth gear 24 is coaxially and fixedly arranged on the fourth gear 23; the chain 26 is sleeved on the fifth gear 24 and the third gear 22, and the chain 26 is connected with the first gear 9 and can drive the first gear to rotate.
When the first motor 25 is started, the first motor 25 drives the third gear 22 to rotate, the third gear 22 drives the chain 26 and the fourth gear 23 to rotate, the chain 26 rotates to drive the first gear 9 to rotate, and the first gear 9 rotates to drive the lower cleaning wheel 12 to rotate for cleaning; the fourth gear 23 rotates to drive the fifth gear 24 to rotate, the fifth gear 24 rotates to drive the second gear 21 to rotate, and the second gear 21 rotates to drive the threaded pipe 19 to rotate.
By this driving means only one first motor 25 is needed to control the operation of the cleaning structure and the movement of the mobile station 6 in the present invention.
Specifically, the tooth ratio of the fourth gear 23 to the second gear 21 is at least 1: 5. The tooth ratio can ensure that the moving platform 6 moves slowly on the screw rod 4 and the sliding rod 5 in the process of cleaning the cleaning wheel 12 at a high speed, so that the surface of the vacuum tube 2 is cleaned more cleanly.
Specifically, the upper part of the mobile station 6 is fixedly provided with a solar photovoltaic panel group 27 and a controller 28, and the solar photovoltaic panel group 27 and the first motor 25 are connected with the controller 28 through a circuit. Can be fully automatically cleaned by the controller 28.
The working principle of the invention is as follows: when the first motor 25 is started, the first motor 25 drives the third gear 22 to rotate, the third gear 22 drives the chain 26 and the fourth gear 23 to rotate, the chain 26 rotates to drive the first gear 9 to rotate, and the first gear 9 rotates to drive the lower cleaning wheel 12 to rotate for cleaning; the rotation of the fourth gear 23 drives the fifth gear 24 to rotate, the rotation of the fifth gear 24 drives the second gear 21 to rotate, the rotation of the second gear 21 drives the threaded pipe 19 to rotate, and the threaded pipe 19 drives the mobile station 6 to move on the screw rod 4 and the slide rod 5. The high efficiency clearance vacuum tube 2 surface improves the heat absorption efficiency of vacuum tube 2.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (6)
1. A detachable vacuum tube cleaning device comprises an underframe, wherein a water tank and a plurality of vacuum tubes are fixedly arranged on the underframe, and one ends of the vacuum tubes are fixedly arranged on the water tank; the device is characterized in that a screw rod and a sliding rod are fixedly arranged on the underframe and are parallel to each other, mounting frames are arranged at two ends of the screw rod and the sliding rod, and the mounting frames are detachably mounted on the underframe; the movable platform is arranged on the bottom frame, a first through hole and a second through hole are formed in two ends of the movable platform respectively, the movable platform is sleeved on the screw rod and the sliding rod through the first through hole and the second through hole, and the movable platform can move on the screw rod and the sliding rod in a translation mode; the lower part of the moving table is provided with a plurality of cleaning structures for cleaning the outer surface of the vacuum tube; the upper part of the mobile platform is provided with a driving mechanism for driving the cleaning structure to clean and controlling the mobile platform to move; the cleaning structure comprises a fixed frame, a rotating cylinder, a first gear and an auxiliary gear, wherein the fixed frame is arranged at the lower part of the mobile station, and a third through hole is formed in the fixed frame; the rotating cylinder penetrates through the third through hole and can rotate in the third through hole, and a channel through which the vacuum tube can penetrate is formed in the rotating cylinder; the two ends of the rotating cylinder are sleeved with limiting rings for limiting the radial movement of the rotating cylinder, and the limiting rings are fixedly arranged on the fixed frame; the first gear is rotationally arranged on the fixed frame, the pinion is coaxially and fixedly arranged on the rotating cylinder, and the first gear is meshed with the pinion; the two ends of the rotating cylinder are provided with mounting parts, and cleaning wheels for cleaning the outer surface of the vacuum tube are detachably arranged on the mounting parts; the movable table is internally provided with a slideway, the fixed frame is fixedly provided with a sliding part, the sliding part is arranged in the slideway, and the sliding part can be fixedly arranged at the lower part of the movable table through a plurality of fixing screws; the lower part of the mobile station is provided with an opening communicated with the slide way, the upper part of the first gear is clamped in from the opening, and the upper part of the first gear is positioned in the slide way.
2. The detachable vacuum tube cleaning device as claimed in claim 1, wherein the cleaning wheel comprises a first cleaning member and a second cleaning member, the first cleaning member and the second cleaning member are semi-circular, one end of the first cleaning member is hinged to one end of the second cleaning member, the other end of the first cleaning member is hinged to a buckle, the other end of the second cleaning member is fixedly provided with a protrusion, and the buckle can be buckled on the protrusion.
3. A detachable vacuum tube cleaning device according to claim 1, wherein a threaded tube is rotatably disposed on the screw rod, and a rotating tube is connected to one end of the threaded tube and can rotate relative to the threaded tube; the rotating pipe is fixedly arranged in the first through hole, and the threaded pipe is coaxially and fixedly provided with a second gear.
4. A detachable vacuum tube cleaning device as claimed in claim 3, wherein the driving mechanism comprises a third gear, a fourth gear, a fifth gear, a first motor and a chain, the first motor is fixed on the upper portion of the moving platform, the output shaft of the first motor is horizontally arranged, the third gear is coaxially fixed on the output shaft of the first motor, the fourth gear is rotatably arranged on the moving platform, and the fourth gear is engaged with the second gear; the fifth gear is coaxially and fixedly arranged on the fourth gear; the chain is sleeved on the fifth gear and the third gear, and the chain is connected with the first gear and can drive the first gear to rotate.
5. A detachable vacuum tube cleaning device according to claim 4, wherein the gear ratio of the fourth gear to the second gear is at least 1: 5.
6. A detachable vacuum tube cleaning device according to claim 4, wherein a solar photovoltaic panel set and a controller are fixedly arranged on the upper portion of the mobile station, and the solar photovoltaic panel set and the first motor are connected with the controller through a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810193653.4A CN108499990B (en) | 2018-03-09 | 2018-03-09 | Detachable vacuum tube cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810193653.4A CN108499990B (en) | 2018-03-09 | 2018-03-09 | Detachable vacuum tube cleaning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108499990A CN108499990A (en) | 2018-09-07 |
| CN108499990B true CN108499990B (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810193653.4A Active CN108499990B (en) | 2018-03-09 | 2018-03-09 | Detachable vacuum tube cleaning device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108499990B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812995B (en) * | 2019-03-19 | 2020-11-24 | 杭州耀晗光伏技术有限公司 | Cleaning device for cleaning solar water heater |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5787562A (en) * | 1980-11-20 | 1982-06-01 | Mitsubishi Electric Corp | Automatic cleaning device |
| CN201049345Y (en) * | 2007-05-30 | 2008-04-23 | 冯立军 | Cleaning device for solar energy products heat receiver surface |
| CN203900040U (en) * | 2014-05-27 | 2014-10-29 | 河北师范大学 | Heat collecting glass pipe cleaning device of solar water heater |
| CN205042824U (en) * | 2015-10-13 | 2016-02-24 | 钟伟 | Dust remover of solar water heater |
| CN105865061A (en) * | 2016-04-01 | 2016-08-17 | 浙江大学 | Vacuum pipe cleaning device and solar water heater with same |
-
2018
- 2018-03-09 CN CN201810193653.4A patent/CN108499990B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5787562A (en) * | 1980-11-20 | 1982-06-01 | Mitsubishi Electric Corp | Automatic cleaning device |
| CN201049345Y (en) * | 2007-05-30 | 2008-04-23 | 冯立军 | Cleaning device for solar energy products heat receiver surface |
| CN203900040U (en) * | 2014-05-27 | 2014-10-29 | 河北师范大学 | Heat collecting glass pipe cleaning device of solar water heater |
| CN205042824U (en) * | 2015-10-13 | 2016-02-24 | 钟伟 | Dust remover of solar water heater |
| CN105865061A (en) * | 2016-04-01 | 2016-08-17 | 浙江大学 | Vacuum pipe cleaning device and solar water heater with same |
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| CN108499990A (en) | 2018-09-07 |
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