阅读说明：本技术 一种虹吸式引水系统及引水方法 (Siphon type water diversion system and water diversion method ) 是由 杨加良 张书坤 卞青青 于 2021-09-24 设计创作，主要内容包括：本申请涉及一种虹吸式引水系统及引水方法,涉及水利工程的领域,引水系统包括水槽一和水槽二,水槽一的底壁高于水槽二的底壁,水槽一和水槽二之间连接有虹吸管,虹吸管的侧壁固定并连通有过渡管,过渡管上安装有阀门和水泵,所述过渡管远离虹吸管一端的侧壁上开设有通孔,过渡管内滑动连接有封堵块,通孔位于过渡管中、封堵块远离过渡管与虹吸管连接处的一侧,滑动块上连接有控制封堵块沿过渡管向靠近或远离水槽一的方向往复滑动的连杆机构。本申请具有便于液体正常充满虹吸管的效果。(The utility model relates to a hydrocone type diversion system and diversion method relates to hydraulic engineering's field, and the diversion system includes basin one and basin two, and the diapire of basin one is higher than the diapire of basin two, is connected with the siphon between basin one and the basin two, and the lateral wall of siphon is fixed and is led to there is the transition pipe, installs valve and water pump on the transition pipe, seted up the through-hole on the lateral wall that the siphon one end was kept away from to the transition pipe, sliding connection has the shutoff piece in the transition pipe, and the through-hole is arranged in the transition pipe, one side that transition pipe and siphon junction were kept away from to the shutoff piece is connected with control shutoff piece on the sliding block to the link mechanism that is close to or keeps away from the direction reciprocating sliding of basin one along the transition pipe. This application has the effect that the siphon is normally filled with to the liquid of being convenient for.)

1. A siphon type water diversion system comprises a first water tank (1) and a second water tank (2), wherein the bottom wall of the first water tank (1) is higher than the bottom wall of the second water tank (2), a siphon (3) is connected between the first water tank (1) and the second water tank (2), the side wall of the siphon (3) is fixed and communicated with a transition pipe (4), a valve (41) and a water pump (42) are installed on the transition pipe (4), the water tank is characterized in that a through hole (43) is formed in the side wall, away from one end of the siphon pipe (3), of the transition pipe (4), a blocking block (44) is connected in the transition pipe (4) in a sliding mode, the blocking block (44) is located in the transition pipe (4) and is far away from one side of the connection position of the transition pipe (4) and the siphon pipe (3), and a connecting rod mechanism (5) which controls the blocking block (44) to slide in a reciprocating mode along the transition pipe (4) towards the direction close to or far away from the water tank I (1) is connected to the sliding block.

2. The siphonic water diversion system according to claim 1, wherein the linkage mechanism (5) comprises a floating ball (51) floating on the liquid level in the first water tank (1), a first rod body (53) is fixedly connected to the side wall of the floating ball (51), the first rod body (53) extends out of the first water tank (1) and is hinged to an adjusting rod (54), a second rod body (55) is hinged to one end of the adjusting rod (54) far away from the first rod body (53), one end of the second rod body (55) far away from the adjusting rod (54) extends into the transition pipe (4) and is hinged to the blocking block (44), a supporting rod (52) is fixedly connected to the outer side wall of the transition pipe (4), one end of the supporting rod (52) far away from the transition pipe (4) is hinged to the adjusting rod (54), and the hinged position of the supporting rod (52) and the adjusting rod (54) is located between the first rod body (53) and the second rod body (55).

3. The siphonic diversion system according to claim 2, wherein the upper end of the first water tank (1) is open and is provided with a filter plate (11), and the filter plate (11) is provided with a plurality of water permeable holes (111).

4. The siphonic diversion system according to claim 3, wherein the filter plate (11) comprises a fixed part (112) fixedly connected with the first flume (1), one end of the fixed part (112) is hinged with a rotating part (113), and the through hole (43) is arranged at the position of the transition pipe (4) close to the rotating part (113).

5. The siphonic water diversion system according to claim 4, wherein the rotating part (113) is connected with a transmission mechanism (6) for controlling the rotating part (113) to rotate in a direction away from the inner part of the first water tank (1).

6. The siphonic water diversion system according to claim 5, wherein the transmission mechanism (6) comprises a mounting rod (61) fixedly connected with the bottom surface of the fixing part (112), one end of the mounting rod (61) far away from the fixing part (112) is hinged with a transmission rod (62), the upper surface of one end of the transmission rod (62) is provided with a long through hole (621), the other end of the transmission rod is abutted with a bearing rod (63), one end of the bearing rod (63) is fixedly connected with the bottom surface of the rotating part (113), the bearing rod (63) is gradually inclined towards the direction close to the floating ball (51), and the first rod body (53) penetrates through the long through hole (621).

7. A siphonic diversion system according to claim 3, wherein the middle of the filter plate (11) is gradually concave downwards.

8. The siphonic water diversion method according to claims 1-7, characterized by comprising the following steps:

s1, in rainy and snowy weather, rainwater and melted snow water pass through the water permeable holes (111) in the filter plate (11) and enter the water tank I (1) for collection;

s2, as the liquid collected in the water tank I (1) is gradually increased, the floating ball (51) floating on the liquid level gradually rises, the floating ball (51) rises to drive the first rod body (53) to rise, the first rod body (53) rises to push the adjusting rod (54) to rotate, and the adjusting rod (54) rotates to pull the second rod body (55) and the sliding block to move towards the direction close to the water tank I (1);

s3, when the slide block moves to the through hole (43) to be communicated with the siphon (3), the valve (41) is opened, the water pump (42) is started, liquid in the water tank I (1) and the water tank II (2) enters the transition pipe (4) along the siphon (3), then the liquid is separated from the transition pipe (4) from the through hole (43), in the process, the liquid in the transition pipe (4) impacts the slide block, the slide block slides towards the direction close to the water tank I (1), the floating ball (51) continues to rise, the floating ball (51) stirs the transmission rod (62) to rotate in the rising process, the transmission rod (62) rotates to stir the bearing rod (63) to move towards the direction far away from the first rod body (53), the bearing rod (63) moves to drive the rotating part (113) to rotate towards the direction far away from the water tank I (1), and the water tank I (1) at the rotating part (113) is in an opening state;

and S4, after the siphon (3) is determined to be filled with the liquid, closing the valve (41) and the water pump (42), and discharging the liquid in the first water tank (1) to the second water tank (2) along the siphon (3).

Technical Field

The application relates to the field of hydraulic engineering, in particular to a siphon type water diversion system and a water diversion method.

Background

Siphon is to fill liquid in an inverted U-shaped tubular structure by utilizing the action force phenomenon of liquid level difference, and then place the end with a high opening in a container filled with liquid, so that the liquid in the container can continuously flow out to a lower position through a siphon.

Referring to fig. 1, a water diversion system in the related art includes a first water tank 1 and a second water tank 2 having a certain height difference, wherein a bottom wall of the first water tank 1 is higher than a bottom wall of the second water tank 2. The siphon 3 is connected between the first water tank 1 and the second water tank 2, the side wall of the siphon 3 is communicated with a transition pipe 4, one end, far away from the siphon 3, of the transition pipe 4 is in an open state, and the transition pipe 4 is provided with a valve 41 and a water pump 42. When it is necessary to introduce liquid from the first tank 1 to the second tank 2, the valve 41 is first opened to activate the water pump 42, so that the liquid in the first tank 1 and the second tank 2 enters the siphon tube 3 and is discharged along the transition tube 4, until the siphon tube 3 is filled with the liquid, and then the valve 41 is closed and the water pump 42 is simultaneously closed, so that the liquid in the first tank 1 is discharged along the siphon tube 3 to the second tank 2.

In view of the above-mentioned related technologies, the inventor believes that the end of the transition pipe 4 far from the siphon pipe 3 is in an open state, and some external impurities may enter the transition pipe 4 along the opening of the transition pipe 4, so that a situation of blocking the transition pipe 4 occurs, and at this time, the siphon pipe 3 is difficult to pump liquid normally, so that the normal filling of the siphon pipe 3 with liquid is affected.

Disclosure of Invention

In order to facilitate the liquid to normally fill the siphon, the application provides a siphon water diversion system and a water diversion method.

In a first aspect, the siphon water diversion system provided by the application adopts the following technical scheme:

the utility model provides a hydrocone type diversion system, includes basin one and basin two, and the diapire of basin one is higher than the diapire of basin two, is connected with the siphon between basin one and the basin two, and the lateral wall of siphon is fixed and is connected with the transition pipe, installs valve and water pump on the transition pipe, the through-hole has been seted up on the lateral wall that siphon one end was kept away from to the transition pipe, and sliding connection has the shutoff piece in the transition pipe, and the through-hole is arranged in the transition pipe, one side that transition pipe and siphon junction were kept away from to the shutoff piece, is connected with the control shutoff piece on the sliding block and follows the transition pipe to the link mechanism that is close to or keeps away from the direction reciprocating sliding of basin one.

By adopting the technical scheme, the liquid in the first water tank and the second water tank sequentially enters the siphon pipe and the transition pipe through the connecting mechanism hole and the blocking block moving along the transition pipe until the through hole is communicated with the siphon pipe, and then the valve is opened and the water pump is started, so that the liquid entering the transition pipe is separated from the transition pipe from the through hole; when the siphon is filled with liquid, the valve is closed and the water pump is closed, and at the moment, the liquid in the first water tank is discharged into the second water tank along the siphon. After external impurities enter the transition pipe from the through hole, the blocking block moves until the through hole is communicated with the siphon pipe, and the blocking block pushes the impurities to be far away from the through hole, so that the liquid in the transition pipe is normally discharged from the through hole, and the siphon pipe is normally filled with the liquid conveniently.

Preferably, link mechanism is including floating the floater on the liquid level in basin one, the first body of rod of fixedly connected with on the lateral wall of floater, the first body of rod stretches out that the basin articulates in the lump has the regulation pole, the one end that the first body of rod was kept away from to the regulation pole articulates has the second body of rod, the one end that the regulation pole was kept away from to the second body of rod stretches into in the transition pipe and articulated with the shutoff piece, fixedly connected with bracing piece on the lateral wall of transition pipe, the one end that the transition pipe was kept away from to the bracing piece is articulated with the regulation pole, the bracing piece is located between the first body of rod and the second body of rod with the articulated department of adjusting the pole.

Through adopting above-mentioned technical scheme, a pair of rainwater of basin and the snow water that melts are collected, liquid level along with in the basin is ascending, the floater rises gradually, the floater rises and to promote first body of rod to rise, the promotion regulation pole that first body of rod rises rotates, adjust the one end that the pole is close to the second body of rod to the direction motion that is close to the basin one, so adjust the pole and drive the second body of rod and the direction motion of shutoff piece to being close to the basin one, so can control through-hole and siphon intercommunication, need not to apply other external force resources, and easy operation is convenient, and comparatively save the resource.

Preferably, a filter plate is installed at an opening at the upper end of the first water tank and at the opening, and a plurality of water permeable holes are formed in the filter plate.

Through adopting above-mentioned technical scheme, when basin first collection rainwater or the snow water that melts, the filter can play certain filtering.

Preferably, the filter plate comprises a fixing part fixedly connected with the water tank, one end of the fixing part is hinged with a rotating part, and the through hole is formed in the position, close to the rotating part, of the transition pipe.

Through adopting above-mentioned technical scheme, thereby rotate rotation portion and open basin one, the transition pipe is in the liquid that sprays out from through-hole department can be quick gets into basin one this moment, reduces the extravagant condition of liquid and takes place.

Preferably, the rotating part is connected with a transmission mechanism for controlling the rotating part to rotate towards a direction far away from the inside of the water tank.

Through adopting above-mentioned technical scheme, rotate the portion to keeping away from a basin inside direction through drive mechanism control, so can open the rotation portion promptly, also can reduce the rotation portion upper surface adnexed impurity and get into a basin inside condition emergence.

Preferably, drive mechanism include with the bottom surface fixed connection's of fixed part installation pole, the one end that the fixed part was kept away from to the installation pole articulates there is the transfer line, rectangular through-hole has been seted up to the upper surface of transfer line one end, and the other end butt has the bolster, the one end of bolster and the bottom surface fixed connection of rotation portion, and the bolster inclines gradually towards the direction that is close to the floater, and the first body of rod alternates in rectangular through-hole.

By adopting the technical scheme, after the through hole is communicated with the siphon, the transition pipe pumps liquid to the through hole, the liquid impacts the blocking block in the moving process, the blocking block continues to move towards the direction close to the first water tank under the driving of the liquid impact, and the floating ball continues to rise at the moment. The floater rises and then promotes the transfer line and rotates, and the transfer line is close to the one end of accepting the pole and rotates downwards, and so the transfer line stirs the direction motion of accepting the pole and keeping away from first body of rod, and the motion of accepting the pole drives rotation portion and opens. The acting force of liquid flowing impact plugging block drives the rotating part to open, and the operation is simple and convenient.

Preferably, the middle portion of the filter plate is gradually depressed downward.

Through adopting above-mentioned technical scheme, be convenient for collect rainwater and the snow water that melts for rainwater and the snow water that melts can be comparatively smooth flow in basin one.

In a second aspect, the siphon water diversion method provided by the application adopts the following technical scheme:

a siphon type water diversion method comprises the following steps:

s1, in rainy and snowy weather, rainwater and melted snow water pass through the water permeable holes on the filter plate and enter the first water tank for collection;

s2, as the amount of liquid collected in the first water tank is increased gradually, the floating ball floating on the liquid level rises gradually, the floating ball rises to drive the first rod body to rise, the first rod body rises to push the adjusting rod to rotate, and the adjusting rod rotates to pull the second rod body and the sliding block to move towards the direction close to the first water tank;

s3, when the slide block moves to the through hole to be communicated with the siphon tube, the valve is opened and the water pump is started, liquid in the water tank I and the water tank II enters the transition pipe along the siphon tube, then the liquid is separated from the transition pipe from the through hole, in the process, the liquid in the transition pipe impacts the slide block, the slide block slides towards the direction close to the water tank I, the floating ball continues to rise, the floating ball stirs the transmission rod to rotate in the rising process, the transmission rod rotates to stir the carrying rod to move towards the direction far away from the first rod body, the carrying rod moves to drive the rotating part to rotate towards the direction far away from the water tank I, and at the moment, the water tank I at the rotating part is in an opening state;

and S4, when the siphon is determined to be filled with the liquid, closing the valve and the water pump, and discharging the liquid in the first water tank to the second water tank along the siphon at the moment.

By adopting the technical scheme, the transition pipe can always smoothly pump the liquid out of the siphon pipe, the siphon pipe is conveniently filled with the liquid, and the liquid pumped out of the transition pipe can return to the first water tank for collection.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after external impurities enter the transition pipe from the through hole, the blocking block moves until the through hole is communicated with the siphon pipe, and the blocking block pushes the impurities to be far away from the through hole, so that the liquid in the transition pipe is not influenced to be normally discharged from the through hole, and the siphon pipe is conveniently and normally filled with the liquid;

2. the control through hole is communicated with the siphon tube, other external force resources are not required to be applied, the operation is simple and convenient, and the resources are saved;

3. the acting force of liquid flowing impact plugging blocks is utilized to drive the rotating part to open, and the operation is simple and convenient.

Drawings

Fig. 1 is a schematic view embodying the related art.

Fig. 2 is a schematic structural diagram of a water diversion system embodied in the embodiment of the application.

FIG. 3 is a schematic diagram of a linkage mechanism and a transmission mechanism embodied in an embodiment of the present application.

Fig. 4 is a schematic diagram of an embodiment of the present application embodying an elongated via.

Description of reference numerals: 1. a first water tank; 11. a filter plate; 111. water permeable holes; 112. a fixed part; 113. a rotating part; 2. a second water tank; 22. a cover plate; 3. a siphon tube; 4. a transition duct; 41. a valve; 42. a water pump; 43. a through hole; 44. a plugging block; 5. a link mechanism; 51. a floating ball; 52. a support bar; 53. a first rod body; 54. adjusting a rod; 55. a second rod body; 6. a transmission mechanism; 61. mounting a rod; 62. a transmission rod; 621. a strip through hole; 63. a bearing rod.

Detailed Description

The present application is described in further detail below with reference to figures 2-4.

The embodiment of the application discloses hydrocone type diversion system. Referring to fig. 2 and 3, the siphon type water diversion system comprises a first water tank 1 for collecting rainwater and a second water tank 2 for storing rainwater, wherein the bottom wall of the first water tank 1 is higher than that of the second water tank 2, and both the first water tank 1 and the second water tank 2 are open at the upper ends. The filter 11 is installed at the opening part of the first water tank 1, a plurality of water permeable holes 111 are formed in the filter 11, and the cover plate 22 is installed at the opening part of the second water tank 2.

A siphon 3 is connected between the first water tank 1 and the second water tank 2, one end of the siphon 3 penetrates through the filter plate 11 and extends into the first water tank 1, and the other end of the siphon penetrates through the cover plate 22 and extends into the second water tank 2. The side wall of the upper end of the siphon 3 is fixed and communicated with a transition pipe 4, and one end of the transition pipe 4 far away from the siphon 3 is bent towards the direction close to the filter plate 11. The transition pipe 4 is provided with a valve 41 and a water pump 42.

When the weather of rain and snow is met, rainwater and melted snow water pass through the water permeable holes 111 on the filter plate 11 and enter the first water tank 1 to be collected. When the liquid in the first water tank 1 is collected more, the valve 41 is opened and the water pump 42 is started, the liquid in the first water tank 1 and the second water tank 2 enters the transition pipe 4 along the siphon pipe 3, and then the liquid is separated from the transition pipe 4 along the end of the transition pipe 4 far away from the siphon pipe 3 and is sprayed in the direction close to the filter plate 11. The liquid sprayed from the transition pipe 4 enters the water tank 1 again, and after the liquid is confirmed to fill the siphon pipe 3, the valve 41 and the water pump 42 are closed, so that the liquid in the water tank 1 can enter the water tank 2 along the siphon pipe 3.

The middle part of the filter plate 11 is gradually sunken downwards, so that rainwater and melted snow water can enter the water tank 1 along the filter plate 11 for collection.

Referring to fig. 3, a through hole 43 is opened on the side wall of the end of the transition pipe 4 far away from the siphon tube 3, and a blocking block 44 is slidably connected in the end of the transition pipe 4 far away from the siphon tube 3, the through hole 43 is located on the side where the blocking block 44 is far away from the connection of the transition pipe 4 and the siphon tube 3, so that the liquid in the transition pipe 4 is difficult to be discharged from the through hole 43. The blocking block 44 is connected with a link mechanism 5 which controls the blocking block 44 to slide back and forth in the direction close to or far away from the sink 1.

When the transition pipe 4 is required to pump liquid, the connecting rod mechanism 5 controls the blocking block 44 to slide towards the direction close to the water tank 1 until the blocking block 44 is far away from the through hole 43. The transition pipe 4 can be discharged along through-hole 43 to the liquid of pump income transition pipe 4 afterwards, if external impurity gets into the transition pipe 4 from through-hole 43 in, the in-process of shutoff piece 44 to the direction motion of being close to basin 1 can promote the impurity that gets into in the transition pipe 4 and keep away from through-hole 43, so the liquid in the transition pipe 4 can be discharged along through-hole 43 smoothly, the difficult condition emergence that the jam leads to being difficult to normal discharge liquid of transition pipe 4 is blocked up.

The link mechanism 5 comprises a floating ball 51 and a support rod 52 fixedly connected with the outer wall of the transition pipe 4, the floating ball 51 floats on the liquid surface of the water tank 1, and the support rod 52 is arranged towards the direction close to the water tank 1. Fixedly connected with vertically upwards sets up the first body of rod 53 on the exterior wall of floater 51, and first body of rod 53 runs through filter 11 and articulates there is the regulation pole 54, and the one end that first body of rod 53 was kept away from to regulation pole 54 articulates there is the second body of rod 55, and the one end that second body of rod 55 kept away from to regulation pole 54 runs through a terminal surface of transition pipe 4 and articulates with shutoff piece 44. The end of the support bar 52 remote from the transition tube 4 is hinged to the middle of an adjustment bar 54.

When the liquid level in the first water tank 1 rises, the floating ball 51 rises to drive the first rod 53 to rise, the first rod 53 rises to push the adjusting rod 54 to rotate, at the moment, one end, close to the second rod 55, of the adjusting rod 54 descends, and the adjusting rod 54 descends to drive the second rod 55 and the blocking block 44 to descend. When the through hole 43 is in communication with the siphon tube 3, the liquid in the transition pipe 4 can now be discharged along the through hole 43. The movement of the plugging block 44 can be controlled without adding other material resources and manpower, and the operation is simple and convenient.

In order to increase the speed of the liquid sprayed from the through holes 43 flowing into the water tank 1, the filter plate 11 includes a fixed portion 112 fixedly connected with the water tank 1, and further includes a rotating portion 113 hinged to the fixed portion 112, and one end of the rotating portion 113 far away from the fixed portion 112 abuts against the top end of the water tank 1. The rotating portion 113 is connected with a transmission mechanism 6 which controls the rotating portion 113 to rotate and open through the movement of the float 51.

Referring to fig. 3 and 4, the transmission mechanism 6 includes a mounting rod 61 fixedly connected to the bottom surface of the fixing portion 112, and an end of the mounting rod 61 away from the fixing portion 112 is hinged to a transmission rod 62. The driving rod 62 is provided with a strip through hole 621, the first rod 53 is inserted into the strip through hole 621, and the first rod 53 is slidably connected with the driving rod 62. The bottom surface of the rotating portion 113 is fixedly connected with a receiving rod 63, the receiving rod 63 gradually inclines towards the direction close to the floating ball 51, and one end of the transmission rod 62 far away from the first rod 53 abuts against one side surface of the receiving rod 63 close to the first rod 53. The hinge joint of the mounting rod 61 and the transmission rod 62 is located between the through-hole 621 and the receiving rod 63.

The floating ball 51 rises to drive the blocking block 44 to descend, when the through hole 43 is communicated with the siphon tube 3, the water valve is opened, the water pump 42 is started, liquid enters the siphon tube 3 and is pumped into the transition pipe 4, the liquid in the transition pipe 4 flows towards the direction close to the through hole 43, and meanwhile, a part of the liquid impacts the blocking block 44. The blocking piece 44 is driven by the liquid impact to move in the direction of approaching the sink 1, and the floating ball 51 rises to push the transmission rod 62 to rotate.

One end of the transmission rod 62 close to the receiving rod 63 rotates downward, the transmission rod 62 pulls the receiving rod 63 to move in a direction away from the first rod 53, and the receiving rod 63 drives the rotating portion 113 to rotate in a direction outside the sink 1. The rotating portion 113 is thus opened, so that the liquid sprayed from the through hole 43 can rapidly enter the water tank 1 from between the rotating portion 113 and the water tank 1. The rotation part 113 rotates towards the direction outside the water tank 1, and the situation that impurities on the filter plate 11 enter the water tank 1 in the rotation process of the rotation part 113 is reduced.

When the transition pipe 4 stops pumping the liquid 4, the rotation portion 113 is rotated and returned by the influence of its own weight, and the float 51 falls by the influence of its own weight.

The embodiment of the application also discloses a siphon water diversion method, which comprises the following steps:

s1, in rainy and snowy weather, rainwater and melted snow water pass through the water permeable holes 111 on the filter plate 11 and enter the first water tank 1 for collection.

S2, as the amount of the liquid collected in the first basin 1 increases, the liquid level of the liquid in the first basin 1 rises gradually, during the process, the floating ball 51 floating on the liquid level rises, the floating ball 51 rises to drive the first rod 53 to rise, the first rod 53 rises to push the adjusting rod 54 to rotate, and the adjusting rod 54 rotates to pull the second rod 55 and the blocking block 44 to fall.

S3, when the blocking block 44 descends to the through hole 43 to be communicated with the siphon pipe 3, the valve 41 is opened and the water pump 42 is started, the liquid in the water tank I1 and the water tank II 2 enters the transition pipe 4 along the siphon pipe 3, and then the liquid is separated from the through hole 43 out of the transition pipe 4; in the process, the liquid in the transition pipe 4 impacts the blocking block 44, the blocking block 44 slides towards the direction close to the water tank 1, the floating ball 51 continues to rise, the floating ball 51 dials the transmission rod 62 to rotate in the rising process, the transmission rod 62 rotates, namely, the receiving rod 63 is dialed to move towards the direction far away from the first rod body 53, the receiving rod 63 moves to drive the rotating part 113 to rotate towards the direction far away from the water tank 1, and the liquid sprayed from the through hole 43 can conveniently and rapidly enter the water tank 1 from the position between the rotating part 113 and the water tank 1.

S4, when it is determined that the siphon tube 3 is filled with the liquid, the valve 41 and the water pump 42 are closed, and the liquid in the first water tank 1 can flow along the siphon tube 3 into the second water tank 2.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.