CN113992131A

CN113992131A - A supporting structure for sloping roof photovoltaic system uses

Info

Publication number: CN113992131A
Application number: CN202111222958.1A
Authority: CN
Inventors: 高冬林
Original assignee: Jiangsu Guangxun Power New Energy Co ltd
Current assignee: Jiangsu Guangxun Power New Energy Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-01-28
Anticipated expiration: 2041-11-29
Also published as: CN113992131B

Abstract

The invention discloses a support structure for a pitched roof photovoltaic system, relates to the technical field of photovoltaic supports, and particularly relates to a support structure for the pitched roof photovoltaic system. This a supporting structure for pitched roof photovoltaic system uses, through elevating gear, the dead lever, cooperation between extension rod and the photovoltaic board, utilize the circumferential rotation of the driving gear among the elevating gear, the extension of having driven straight chi strip length and the motion of returning back, the control effect of rising or decline of photovoltaic board one end has been realized, reach the regulating effect to the photovoltaic board angle, the problem of the regulation of being not convenient for of the supporting structure of pitched roof body has been solved effectively, the mode of adopting elevating gear control photovoltaic board angle has replaced the fixing of bolt, the flexibility of photovoltaic board after the installation has been improved, the step of photovoltaic board angle modulation has been simplified, thereby the convenience of photovoltaic board installation has been improved.

Description

A supporting structure for sloping roof photovoltaic system uses

Technical Field

The invention relates to the technical field of photovoltaic supports, in particular to a support structure for a sloping roof photovoltaic system.

Background

The photovoltaic is a solar photovoltaic power generation system for short, which is a novel power generation system for directly converting solar radiation energy into electric energy by using the photovoltaic effect of a solar cell semiconductor material, and meanwhile, the solar photovoltaic power generation systems are classified into a centralized type, such as a large northwest ground photovoltaic power generation system; one is distributed, such as factory building roof photovoltaic power generation system, the roof photovoltaic power generation system of the local residence, the photovoltaic is defined as the direct conversion of ray energy, usually refer to the conversion of solar energy to electric energy in the practical application, namely the solar photovoltaic, its realization method is mainly through utilizing the solar energy electroplax made of semiconductor materials such as silicon, utilize the illumination to produce the direct current, the solar photovoltaic power generation has the characteristics such as battery pack modularization, convenient installation and maintenance, flexible use mode, etc., it is the most applied technology of solar power generation, the solar thermal power generation passes the heating medium of the light-gathering heat-collecting system, reuse the traditional steam power generation equipment to generate electricity, simple photovoltaic cell can provide energy for wrist watch and calculator, the more complicated photovoltaic system can provide illumination for the house, and supply power for the electric wire netting, the photovoltaic board assembly can be made into different shapes, and the assembly can be connected again, to generate more electricity, rooftops and building surfaces use photovoltaic panel assemblies, even as part of windows, skylights, or shelters, and photovoltaic installations are commonly referred to as building-attached photovoltaic systems.

However, the existing sloping roof adopts a bolt connection mode when a support for a photovoltaic system is installed, the support fixed by bolts is inconvenient for adjusting the angle of the support, the angle of a photovoltaic panel is in a fixed state after the support for the sloping roof is installed, when the angle needs to be adjusted, the steps are complicated, the cost is high, and the utilization rate of the photovoltaic support is reduced; simultaneously photovoltaic support mounting is at the top in house, and the pollution that long-time installation photovoltaic board easily received becomes dirty, and the higher clearance of being not convenient for of support mounting height, contaminated photovoltaic board then can reduce the utilization ratio of photovoltaic board. And not only increased staff's work load when clearing up to higher than the photovoltaic board and still increased the risk that the accident that the staff fell from the high altitude takes place.

Disclosure of Invention

The invention provides a support structure for a photovoltaic system of a pitched roof, which solves the problems in the prior art.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a supporting structure for pitched roof photovoltaic system uses, includes the pitched roof body, the even bolted connection in both sides has the couple around the pitched roof body up end, one side bolted connection that the pitched roof body was kept away from to the couple has the slide rail, the up end fixed mounting of slide rail has the bottom plate, the top of pitched roof body is provided with the hinge, and around the hinge both sides respectively with two bottom plate fixed connection at front and the back, the upper surface of bottom plate articulates there is the dead lever, the extension rod has been cup jointed in the inner wall activity of dead lever, the inside of extension rod is provided with elevating gear, the extension rod keeps away from the one end of dead lever and articulates there is the photovoltaic board.

Optionally, the lower terminal surface fixed mounting of pitched roof body has the house body, and the inside of house body is provided with power control box, the left side fixed mounting of house body has the storage water tank, the front and the back fixedly connected with aqueduct of storage water tank, the one end fixed mounting that the storage water tank was kept away from to the aqueduct has the water catch bowl that is located both sides around the pitched roof body.

Optionally, elevating gear includes with one side fixed connection's of extension rod inner wall ruler strip, one side swing joint that extension rod was kept away from to the ruler strip has the driving gear, the dwang has been cup jointed to the inner wall of driving gear is fixed.

Optionally, the lower bottom surface fixed mounting of photovoltaic board has the movable rod, the inner wall movable mounting that the movable rod kept away from photovoltaic board one end has a support, and the up end fixed connection of the lower extreme of a support and bottom plate.

Optionally, the lower bottom surface of storage water tank is provided with the drain pipe, the filter has been cup jointed in the inner wall activity of storage water tank, the water level siren of one side fixedly connected with filter top of storage water tank inner wall, and the one end of water level siren passes through the connection of electric lines with the power control box of house body installation, the inner wall fixed mounting of storage water tank has the water pump, the up end fixedly connected with leading water pipe of storage water tank, the upper surface evenly distributed that the one end of storage water tank was kept away from to the leading water pipe has the connecting pipe, No. two supports of upper end fixedly connected with of connecting pipe, both ends movable mounting has high pressure nozzle around No. two supports.

Optionally, a branch pipe is fixedly mounted on the lower end face of the water guide pipe, a water flow control valve is arranged on the left side of the branch pipe, and one end of the water flow control valve is connected with a power supply control box mounted on the house body through an electric wire.

Optionally, one side fixed mounting of water catch bowl has L shape pole, the left and right sides fixedly connected with stopper of L shape pole, and the front and the back bolted connection of stopper and house body.

Optionally, the lower extreme fixed connection's of water pump inlet tube, the one end fixedly connected with outlet pipe that the inlet tube was kept away from to the water pump, the upper end of the outlet pipe of water pump and the lower extreme fixed connection of leading water pipe.

The invention has the following beneficial effects:

1. this a supporting structure for pitched roof photovoltaic system uses, through elevating gear, the dead lever, cooperation between extension rod and the photovoltaic board, utilize the circumferential rotation of the driving gear among the elevating gear, the extension of having driven straight chi strip length and the motion of returning back, the control effect of rising or decline of photovoltaic board one end has been realized, reach the regulating effect to the photovoltaic board angle, the problem of the regulation of being not convenient for of the supporting structure of pitched roof body has been solved effectively, the mode of adopting elevating gear control photovoltaic board angle has replaced the fixing of bolt, the flexibility of photovoltaic board after the installation has been improved, the step of photovoltaic board angle modulation has been simplified, thereby the convenience of photovoltaic board installation has been improved.

2. This a supporting structure for sloping roof photovoltaic system uses, through the storage water tank, high pressure nozzle, cooperation between water catch bowl and the water pump, utilize the water pump to provide power for the flow of the inside water of storage water tank, high pressure nozzle's play water effect has been realized, the clean effect to photovoltaic board surface has been reached, the mode that adopts high pressure nozzle to wash photovoltaic board surface has replaced artificial washing, the staff's that has alleviateed work load, the risk that the staff accident took place when high altitude construction has still been reduced, make photovoltaic board make the dirty washing of photovoltaic board surface adherence away under the impact force of high pressure nozzle play water simultaneously, the influence of dirty cover to photovoltaic board result of use has been avoided, thereby improve the utilization ratio of photovoltaic board.

3. This a supporting structure for sloping roof photovoltaic system uses, through the storage water tank, the filter, cooperation between lateral pipe and the rivers control valve, utilize the filter to the filtration of the inside water of storage water tank, the separation of water and impurity has been realized, the purifying effect to water has been reached, the problem of impurity jam water pipe in the rainwater has been solved effectively, the separation of rainwater and impurity, the inside of having avoided impurity to fall on the water pipe leads to the damage of incrustation scale's formation to lead to the water pipe, the life of water pipe has been prolonged, the work of artifical mediation when having saved the water pipe jam, utilize the water level siren simultaneously, avoid the inside water of storage water tank to lead to overflowing of water too much.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side cross-sectional view of a storage tank in the configuration of the present invention;

FIG. 3 is an enlarged view of FIG. 2 at A in the configuration of the present invention;

FIG. 4 is a side view of a water collection trough in the construction of the present invention;

FIG. 5 is a top view of bracket number two in the configuration of the present invention.

In the figure: 1. a pitched roof body; 2. hooking; 3. a slide rail; 4. a hinge; 5. fixing the rod; 6. an extension pole; 7. a lifting device; 71. a straight rule strip; 72. a driving gear; 73. rotating the rod; 8. a photovoltaic panel; 9. a house body; 10. a water storage tank; 11. a water conduit; 12. a water collection tank; 13. a movable rod; 14. a first bracket; 15. a filter plate; 16. a water level alarm; 17. a water pump; 18. a water conduit; 19. a connecting pipe; 20. a second bracket; 21. a high pressure spray head; 22. a branch pipe; 23. a water flow control valve; 24. a base plate; 25. an L-shaped rod; 26. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a support structure for a pitched roof photovoltaic system comprises a pitched roof body 1, wherein the front side and the rear side of the upper end face of the pitched roof body 1 are evenly connected with hooks 2 through bolts, the hooks 2 play a role of connecting a slide rail 3 with the pitched roof body 1, one side of each hook 2, which is far away from the pitched roof body 1, is connected with the slide rail 3 through bolts, a bottom plate 24 is fixedly arranged on the upper end face of the slide rail 3, a hinge 4 is arranged above the pitched roof body 1, the front side and the rear side of the hinge 4 are respectively and fixedly connected with two bottom plates 24 on the front side and the rear side, the hinge 4 plays a role of connecting the front bottom plate 24 and the rear bottom plate 24, the installation stability of the bottom plates 24 is reinforced, the movement of the front bottom plate 24 and the rear bottom plate 24 can be realized, a fixed rod 5 is hinged to the upper surface of the bottom plate 24, an extension rod 6 is movably sleeved on the inner wall of the fixed rod 5, the hinged connection mode enables the extension rod 6 to realize the change of the angle of a photovoltaic plate 8 while the length is extended, the step of adjusting the angle of the photovoltaic panel 8 is simplified by adjusting the length of the extension rod 6, the workload of workers for installing the photovoltaic panel 8 is reduced, the lifting device 7 is arranged in the extension rod 6, the movement of the lifting device 7 provides power and support for the movement of the extension rod 6, the photovoltaic panel 8 is hinged at one end of the extension rod 6, which is far away from the fixed rod 5, the extension rod 6 is hinged with the photovoltaic panel 8, the hinged connection of the extension rod 6 and the photovoltaic panel 8 can realize the adjustment of the length of the extension rod 6, so that the photovoltaic panel 8 still does circular arc movement on the outer wall of the first bracket 14, the movable rod 13 is fixedly arranged on the lower bottom surface of the photovoltaic panel 8, the first bracket 14 is movably arranged on the inner wall of the movable rod 13, which is far away from one end of the photovoltaic panel 8, the lower end of the first bracket 14 is fixedly connected with the upper end surface of the bottom plate 24, the movable rod 13 rotates on the outer wall of the first bracket 14, and the reinforcing effect of the angle adjustment of the photovoltaic panel 8 is achieved, the tilting motion of one side of the photovoltaic panel 8 is realized, and the stability of the photovoltaic panel 8 during angle adjustment is strengthened.

Referring to fig. 2, a house body 9 is fixedly installed on the lower end surface of a pitched roof body 1, a power control box is arranged inside the house body 9, the power control box is installed to provide a power source for the work of each electrical element, a water storage tank 10 is fixedly installed on the left side of the house body 9, the water storage tank 10 is installed to store rainwater, water guide pipes 11 are fixedly connected to the front surface and the back surface of the water storage tank 10, water collection grooves 12 are fixedly installed at the front side and the back side of the pitched roof body 1 at one end of each water guide pipe 11 far away from the water storage tank 10, the water collection grooves 12 are installed to collect rainwater, so that the rainwater is convenient to clean a photovoltaic panel 8 after being collected, an L-shaped rod 25 is fixedly installed on one side of each water collection groove 12, limit blocks 26 are fixedly connected to the left side and the right side of each L-shaped rod 25, and the limit blocks 26 are connected with the front surface and the back surface of the house body 9 by bolts, the L-shaped rod 25 plays a role in connecting the water collection tank 12 with the house body 9, and the stability of the water collection tank 12 during installation and use is enhanced.

Please refer to fig. 2 and fig. 3, the lifting device 7 includes a straight ruler strip 71 fixedly connected to one side of the inner wall of the extension rod 6, one side of the straight ruler strip 71 away from the extension rod 6 is movably connected with a driving gear 72, the circumferential rotation of the driving gear 72 realizes the adjusting movement of the length of the straight ruler strip 71, thereby realizing the adjustment of the extension length of the extension rod 6, achieving the effect of adjusting the angle of the photovoltaic panel 8, the inner wall of the driving gear 72 is fixedly sleeved with a rotating rod 73, and the rotation of the rotating rod 73 provides power for the circumferential rotation of the driving gear 72.

Referring to fig. 4 and 5, a drain pipe is arranged on the lower bottom surface of the water storage tank 10, a filter plate 15 is movably sleeved on the inner wall of the water storage tank 10, the filter plate 15 is installed to separate rainwater and impurities, the formation of scale caused by the impurities in the rainwater falling into the water pipe in the flowing process is avoided, the accumulation of the scale is reduced, the blockage of the water pipe is avoided, the work of manually dredging and blocking the water pipe is saved, the service life of the water pipe is prolonged, a water level alarm 16 above the filter plate 15 is fixedly connected to one side of the inner wall of the water storage tank 10, one end of the water level alarm 16 is connected with a power supply control box installed on the house body 9 through an electric wire, the water level alarm 16 plays a role in warning when the water level inside the water storage tank 10 reaches a certain depth, and the overflow caused by excessive water stored in the water storage tank 10 and the damage to the water storage tank 10 are avoided, the service life of the water storage tank 10 is prolonged, a water pump 17 is fixedly installed on the inner wall of the water storage tank 10, the installation of the water pump 17 provides power for the movement of water flow inside the water storage tank 10, a water conduit 18 is fixedly connected to the upper end face of the water storage tank 10, a water inlet pipe is fixedly connected to the lower end of the water pump 17, a water outlet pipe is fixedly connected to one end of the water pump 17 away from the water inlet pipe, the upper end of the water outlet pipe of the water pump 17 is fixedly connected with the lower end of the water conduit 18, connecting pipes 19 are uniformly distributed on the upper surface of one end of the water conduit 18 away from the water storage tank 10, the height of the connecting pipes 19 is always higher than the highest point distance of the photovoltaic panel 8 during rotation, collision between the photovoltaic panel 8 and a high-pressure nozzle 21 during rotation is avoided, a second bracket 20 is fixedly connected to the upper end of the connecting pipes 19, the second bracket 20 plays a supporting role in installation of the high-pressure nozzle 21 and also provides a platform for installation of the high-pressure nozzle 21, the high-pressure spray nozzles 21 are movably mounted at the front end and the rear end of the second bracket 20, the high-pressure spray nozzles 21 are used for separating dirt attached to the surface of the photovoltaic panel 8 from the photovoltaic panel 8 under the action of impact force of water, the cleaning effect on the photovoltaic panel 8 is achieved, a manual cleaning mode is replaced, the workload of workers is reduced, meanwhile, the risk of accidents when the workers clean the photovoltaic panel 8 at a high position is reduced, the dirt is cleaned, the reduction of the use effect of the photovoltaic panel 8 caused by the coverage of the dirt on the photovoltaic panel 8 is avoided, the lower end face of the water guide pipe 11 is fixedly provided with the branch pipe 22, the left side of the branch pipe 22 is provided with the water flow control valve 23, one end of the water flow control valve 23 is connected with the power supply control box mounted on the house body 9 through an electric wire, the branch pipe 22 plays a role in distributing rainwater, and excess rainwater can flow to the drainage system after the internal rainwater of the water storage tank 10 is full, the water flow control valve 23 controls the flow of the rainwater, so that the rainwater can flow and be cut off.

In conclusion, when the support structure for the pitched roof photovoltaic system is used, firstly, the hook 2 is fixedly connected with the pitched roof body 1 through a bolt, then the slide rail 3 is fixed on the surface of the hook 2, then the bottom plate 24 is installed, after the bottom plate 24 is installed, the position of the photovoltaic plate 8 movably connected with the bottom plate 24 is also determined, then, the angle of the bottom plate 24 is adjusted according to the actual installation condition, the rotating rod 73 rotates and simultaneously drives the circumferential rotation of the driving gear 72, the driving gear 72 rotates and simultaneously drives the extension and retraction of the length of the straight ruler strip 71, the straight ruler strip 71 moves and simultaneously drives the photovoltaic plate 8 to ascend or descend, at the moment, the outer wall of the movable rod 13 in the middle of the first support 14 rotates to reinforce the installation stability of the bottom plate 24, and the extension rod 6 is connected with the photovoltaic plate 24 in a hinged mode, meanwhile, by combining the hinged connection mode of the fixed rod 5 and the bottom plate 24, the length of the extension rod 6 is extended to tilt one end of the photovoltaic panel 8, the rotation of the rotating rod 73 can be stopped after the angle of the bottom plate 24 is adjusted, at the moment, the use of the bottom plate 24 can be realized by opening the power control box installed on the house body 9, then, when the rain falls into the water collecting tank 12 along the outer wall of the photovoltaic panel 8 in rainy days, the rain on the outer walls of the pitched roof body 1 and the bottom plate 24 also falls into the water collecting tank 12, the rain flows into the water storage tank 10 through the inside of the water guide pipe 11, when the storage water level of the rain in the water storage tank 10 reaches the water level alarm 16, the water level alarm 16 gives an alarm, at the moment, the movable rod 13 is opened after the power key for controlling water inflow of the water storage tank 10 is closed, the rain cannot flow into the water storage tank 10 after the power key for water inflow of the water storage tank 10 is closed, after the movable rod 13 is opened, rainwater can flow into a corresponding drainage system along the inside of the branch pipe 22, finally, pollutants and excrement of birds can fall onto the surface of the bottom plate 24 due to the fact that the bottom plate 24 is exposed outside, the surface of the bottom plate 24 is covered with the pollutants, the water pump 17 is opened, the water pump 17 is started to drive water inside the water storage tank 10 to enter the water guide pipe 18 after being filtered by the filter plate 15, then the water flows into the connecting pipe 19 and then is sprayed onto the surface of the bottom plate 24 through the high-pressure spray nozzle 21, washing of the surface of the bottom plate 24 is achieved, the washed water flows into the water storage tank 10 through collection of the water collecting tank 12, and a water circulation effect is formed.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a supporting structure for pitched roof photovoltaic system uses, includes pitched roof body (1), its characterized in that: the utility model discloses a slope roof body, including slope roof body (1), couple (2) are connected to even bolted connection in both sides around the slope roof body (1) up end, one side bolted connection that slope roof body (1) was kept away from in couple (2) has slide rail (3), the up end fixed mounting of slide rail (3) has bottom plate (24), the top of slope roof body (1) is provided with hinge (4), and around hinge (4) both sides respectively with two bottom plates (24) fixed connection at front and the back, the articulated dead lever (5) of upper surface of bottom plate (24), extension rod (6) have been cup jointed in the inner wall activity of dead lever (5), the inside of extension rod (6) is provided with elevating gear (7), the one end that dead lever (5) were kept away from in extension rod (6) articulates there is photovoltaic board (8).

2. The support structure for pitched roof photovoltaic system according to claim 1, characterized in that: the utility model discloses a sloping roof body, including sloping roof body (1), house body (9) are installed to the lower terminal surface fixed mounting of sloping roof body (1), and the inside of house body (9) is provided with power control box, the left side fixed mounting of house body (9) has storage water tank (10), the front and the back fixedly connected with aqueduct (11) of storage water tank (10), the one end fixed mounting that storage water tank (10) were kept away from in aqueduct (11) has water catch bowl (12) that are located sloping roof body (1) front and back both sides.

3. The support structure for pitched roof photovoltaic system according to claim 1, characterized in that: elevating gear (7) include with one side fixed connection's of extension rod (6) inner wall ruler strip (71), one side swing joint that extension rod (6) were kept away from in ruler strip (71) has driving gear (72), dwang (73) have been cup jointed to the inner wall fixation of driving gear (72).

4. The support structure for pitched roof photovoltaic system according to claim 1, characterized in that: the lower bottom surface fixed mounting of photovoltaic board (8) has movable rod (13), the inner wall movable mounting that photovoltaic board (8) one end was kept away from in movable rod (13) has support (14) No. one, and the up end fixed connection of the lower extreme of support (14) and bottom plate (24).

5. The support structure for pitched roof photovoltaic system according to claim 2, characterized in that: the water storage tank is characterized in that a drain pipe is arranged on the lower bottom surface of the water storage tank (10), a filter plate (15) is sleeved on the inner wall of the water storage tank (10) in a movable mode, a water level alarm (16) is fixedly connected to one side of the inner wall of the water storage tank (10) and above the filter plate (15), one end of the water level alarm (16) is connected with a power supply control box installed on the house body (9) through an electric wire, a water pump (17) is fixedly installed on the inner wall of the water storage tank (10), a water diversion pipe (18) is fixedly connected to the upper end surface of the water storage tank (10), a connecting pipe (19) is uniformly distributed on the upper surface of one end, away from the water storage tank (10), of the connecting pipe (19), a second support (20) is fixedly connected to the upper end of the connecting pipe, and high-pressure spray nozzles (21) are movably installed at the front end and the rear end of the second support (20).

6. The support structure for pitched roof photovoltaic system according to claim 2, characterized in that: the lower end face of the water guide pipe (11) is fixedly provided with a branch pipe (22), the left side of the branch pipe (22) is provided with a water flow control valve (23), and one end of the water flow control valve (23) is connected with a power supply control box installed on the house body (9) through an electric wire.

7. The support structure for pitched roof photovoltaic system according to claim 2, characterized in that: one side fixed mounting of water catch bowl (12) has L shape pole (25), the left and right sides fixedly connected with stopper (26) of L shape pole (25), and stopper (26) and the front and the back bolted connection of house body (9).

8. The support structure for pitched roof photovoltaic system according to claim 5, characterized in that: the lower extreme fixed connection's of water pump (17) inlet tube, the one end fixedly connected with outlet pipe of inlet tube is kept away from in water pump (17), the upper end of the outlet pipe of water pump (17) and the lower extreme fixed connection of leading water pipe (18).