CN113854127A

CN113854127A - Self-interacting highway afforestation irrigation equipment

Info

Publication number: CN113854127A
Application number: CN202111137153.7A
Authority: CN
Inventors: 柴峰
Original assignee: Individual
Current assignee: QINGDAO ROAD AND BRIDGE CONSTRUCTION GROUP CO Ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2021-12-31
Anticipated expiration: 2041-09-27
Also published as: CN113854127B

Abstract

The invention relates to the technical field of environmental protection, and discloses a self-adjusting road greening irrigation device which comprises a water storage tank, rainwater inlets positioned on two sides of the water storage tank, a water pump positioned at the bottom of the water storage tank, a water spraying pipe communicated with the water pump, and a water spraying assembly communicated with the water spraying pipe, wherein the top end of the water storage tank is fixedly connected with a base. Through the afforestation basin of design, the extension body, magnet I, magnet II, switch I, make the earth moisture in the afforestation basin lead to when afforestation basin weight reduces because evaporation and vegetation absorb, the afforestation basin can lift gradually, make the final adsorption magnet II of magnet I, make switch I move down the first circuit of opening the water pump, accomplish the irrigation of afforestation, simultaneously when the moisture in the afforestation basin constantly increases under the watering, the afforestation basin moves down gradually, make magnet I pass through magnet II and drive switch I and constantly move down, thereby keep opening of the first circuit of water pump, avoid watering incomplete problem.

Description

Self-interacting highway afforestation irrigation equipment

Technical Field

The invention relates to the technical field of environmental protection, in particular to a self-adjusting road greening irrigation device.

Background

Can set up the greenbelt with the centre in the both sides of highway mostly, can not only improve the environmental aspect along the highway line, also can beautify the road appearance, stabilize the road bed, reduce the driving noise, bring good psychology effect for the pedestrian, current greenbelt all need adopt the water carriage to carry out periodic irrigation along the way, avoid vegetation moisture disappearance and the death that leads to, also wash in order to absorbent dust on the vegetation simultaneously, avoid the effect decline of vegetation absorption dust, but the length of greenbelt is very long, use the water carriage to water the greenbelt and need use a large amount of water resources, and water the time of once also very long.

In order to solve the problems, automatic road irrigation devices are installed in partial cities at present, and the automatic road irrigation devices are mainly used for irrigating green belts regularly by arranging mobile phone rainwater in a water storage tank at the bottom of the green belts and setting the regular opening and closing of the automatic road irrigation devices through a computer program, but the method still has defects.

Because the variability of weather, the collection of rainwater can not satisfy irrigation equipment's regular irrigation demand, and this will lead to the vegetation to appear the problem of lack of water easily, and regular irrigation equipment that opens and close will make irrigation equipment still automatic open the irrigation when rainy day for the watering of rainwater not only will be accepted to the greenbelt, will receive irrigation equipment's irrigation again, leads to the vegetation problem of mashed root to appear easily.

Disclosure of Invention

Aiming at the defects of the prior road greening irrigation device provided in the background technology in the use process, the invention provides a self-adjusting road greening irrigation device which has the advantages that a water consumption greening basin is lifted, a magnet I adsorbs a magnet II to start a water pump, the greening basin is gradually moved downwards by irrigation, a water pump circuit is continuously communicated to ensure sufficient irrigation, a water storage amount is reduced, a floating ball is expanded to ensure that a limit block limits the position of a switch II, and an electric valve circuit is communicated to replenish water, so that the technical problems of low artificial irrigation efficiency, vegetation water shortage and root rot caused by automatic irrigation in rainy days provided in the background technology are solved.

The invention provides the following technical scheme: a self-adjusting road greening irrigation device comprises a water storage tank, rainwater inlets positioned on two sides of the water storage tank, a water pump positioned at the bottom of the water storage tank, a spray pipe communicated with the water pump, and a spray assembly communicated with the spray pipe, wherein the top end of the water storage tank is fixedly connected with a base, one end of the base is provided with a communicated movable cavity I, a movable cavity II, a movable cavity III and a movable cavity IV, the middle part of the base is provided with a central cavity, the inner wall of the central cavity is provided with a limiting groove, a greening basin is clamped in the limiting groove, the bottom end of the greening basin is fixedly connected with an evenly distributed spring I, the bottom end of the greening basin is fixedly connected with an extending body, the top center of the extending body is fixedly sleeved with a magnet I, one end of the base is fixedly sleeved with a first circuit and a second circuit, the top end of the movable cavity II is fixedly connected with a spring II, and the bottom end of the spring II is fixedly connected with a switch seat, the utility model discloses a switch seat, including switch seat, activity chamber III, the one end fixedly connected with spring III of activity chamber III, the one end fixedly connected with stopper of spring III, the fixed oral siphon that has cup jointed in bottom one end of base, the intraductal fixedly connected with motorised valve of income water, the fixed trachea that has cup jointed in one side of base, tracheal bottom fixedly connected with floater, tracheal top both sides fixedly connected with inflation ball.

Preferably, the base is buried in the center of the green belt, the top of the base is higher than the middle of the green plants, a solar assembly is fixedly connected to one side of the top end of the base, a storage battery is fixedly connected to one end of the bottom of the base in a sleeved mode, and the storage battery is electrically connected with the solar assembly.

Preferably, the afforestation basin intussuseption is filled with earth, it has green to plant in the earth, the outside fixedly connected with waterproof gasket of afforestation basin, the bottom of spring I and the bottom fixed connection of central cavity.

Preferably, the extension body is L-shaped, the extension body is movably sleeved in the movable cavity I, and the central line of the magnet I is superposed with the central line of the movable cavity II.

Preferably, one end of the first circuit is electrically connected with the storage battery, the other end of the first circuit is electrically connected with the water pump, the first circuit is disconnected from the movable cavity II, the first circuit is in contact with the bottom of one third of the movable cavity II, one end of the second circuit is electrically connected with the first circuit, the other end of the second circuit is electrically connected with the electric valve, the second circuit is disconnected from the movable cavity III, the second circuit is in contact with the top of the movable cavity III, and the second circuit is located above the movable cavity IV.

Preferably, switch I's diameter value is the same with activity chamber II's diameter value size, magnet II and magnet I are in same central line, magnet II is relative with magnet I positive negative pole, branch and the equal activity of switch II cup joint in spring II, switch II's diameter value is the same with activity chamber III's width value size, activity chamber I and activity chamber II's intercommunication department diameter value is half of activity chamber II diameter value, switch II's diameter value is the third of activity chamber III length value, activity chamber II and activity chamber III's front end switch-on.

Preferably, the number of the movable cavities IV is two, the movable cavities IV are located at the top of the movable cavity III and are symmetrical to each other, the inclined plane is arranged at the bottom of one end, right facing the movable cavity III, of the limiting block, and the width value of the limiting block is the same as the length value of the movable cavity III.

Preferably, the water inlet pipe is communicated with an underground water pipe network, the bottom end of the air pipe extends to the bottom of the water storage tank, the floating ball is communicated with an air pipe air passage, saturated gas is filled in the floating ball and the air pipe, the top of the air pipe extends to the rear end of the top of the movable cavity III, and the expansion ball is communicated with the air pipe air passage.

The invention has the following beneficial effects:

1. according to the invention, through the designed greening pot, the extending body, the magnet I, the magnet II and the switch I, when the weight of the greening pot is reduced due to evaporation and vegetation absorption of soil moisture in the greening pot, the greening pot can be gradually lifted, the magnet I finally adsorbs the magnet II, the switch I is moved downwards to start the first circuit of the water pump, irrigation for greening is completed, meanwhile, when the moisture in the greening pot is continuously increased under irrigation, the greening pot is gradually moved downwards, the magnet I drives the switch I to be continuously moved downwards through the magnet II, so that the first circuit of the water pump is kept to be started, and the problem of incomplete irrigation is avoided.

2. According to the invention, through the designed spring II, the limiting block, the switch II and the electric valve, the greening pot is enabled to continuously move downwards under irrigation and drive the switch I to synchronously move downwards, the switch I is finally limited by the movable cavity II, the magnet I and the magnet II are forcibly separated, the stretched spring II is enabled to quickly drive the switch I to be lifted upwards, the lifting distance of the switch II is additionally increased to jack the limiting block, and the switch II is blocked by the limiting block in the falling process, so that the second circuit of the electric valve is opened, the water inlet pipe is opened, enough water is introduced into the water storage tank, the water level in the water storage tank is kept in a safe state, and the situation that no water is available in the next irrigation due to no supplement of rainwater after irrigation is avoided.

3. According to the invention, through the designed limiting block, the switch II, the electric valve, the floating ball, the air pipe and the expansion ball, when the water level in the water storage tank is continuously lowered, the pressure on the floating ball is reduced, so that the limiting block extrudes the expansion ball to extend out of the movable cavity IV, the limiting block can limit the falling back of the switch II after the switch II is additionally lifted to jack the limiting block after irrigation, the opening of the second circuit is ensured, the water level in the water storage tank is kept in a safe state, meanwhile, after the water level is lifted, the pressure on the floating ball is increased, so that the internal gas is introduced into the expansion ball jack the limiting block, the limit falling back of the switch II is lost, and the problem that the next time of lifting the extension body cannot adsorb the switch I to open the first circuit is avoided.

Drawings

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

FIG. 2 is an enlarged view of a portion of the structure A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the present invention in a state of water spray irrigation;

FIG. 4 is an enlarged view of a portion of the structure shown at B in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of the state of the magnet I and the magnet II about to be forcibly separated according to the present invention;

FIG. 6 is an enlarged view of a portion of the structure of FIG. 5 at C according to the present invention;

FIG. 7 is a diagram illustrating a second circuit according to the present invention;

fig. 8 is an enlarged view of a portion of the structure shown at D in fig. 7 according to the present invention.

In the figure: 1. a water storage tank; 2. a rainwater inlet; 3. a water pump; 4. a water spray pipe; 5. a water spray assembly; 6. a base; 601. a movable cavity I; 602. a movable cavity II; 603. a movable cavity III; 604. a movable cavity IV; 7. a solar module; 701. a storage battery; 8. a central lumen; 801. a limiting groove; 9. greening pots; 901. a waterproof gasket; 10. a spring I; 11. an extension body; 111. a magnet I; 12. a first circuit; 13. a second circuit; 14. a spring II; 15. a switch base; 151. a strut; 16. a switch I; 17. a magnet II; 18. a switch II; 19. a spring III; 20. a limiting block; 21. a water inlet pipe; 22. an electrically operated valve; 23. a floating ball; 24. an air tube; 241. the ball is expanded.

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. 1-8, a self-adjusting road greening irrigation device comprises a water storage tank 1, rainwater inlets at two sides of the water storage tank 1, a water pump 3 at the bottom of the water storage tank 1, a water spray pipe 4 communicated with the water pump 3, and a water spray assembly 5 communicated with the water spray pipe 4, wherein the top end of the water storage tank 1 is fixedly connected with a base 6, the base 6 is buried in the center of a green belt, so that the water spray assembly 5 can carry out omnibearing irrigation on surrounding green plants when spraying water, the top of the base 6 is higher than the middle of the green plants, so that the green pots 9 can be directly irradiated by sunlight, green plants in the green pots 9 can timely sense the change of the surrounding environment to carry out evaporation, moisture absorption and transpiration, thereby the green pots 9 can be lifted up in time, the irrigation intensity is ensured, the green plants in the green belt are prevented from blocking the green pots 9, and the moisture in the green pots 9 cannot be synchronously consumed with the soil in the green belt, the problem of untimely irrigation is caused, the one end of the base 6 is provided with a communicated movable cavity I601, a movable cavity II602, a movable cavity III603 and a movable cavity IV604, the top end of the base 6 is fixedly connected with a solar component 7, one end of the bottom of the base 6 is fixedly sleeved with a storage battery 701, the storage battery 701 is electrically connected with the solar component 7, the middle of the base 6 is provided with a central cavity 8, the inner wall of the central cavity 8 is provided with a limit groove 801, and a greening basin 9 is clamped in the limit groove 801.

Referring to fig. 1-8, the greening pot 9 is filled with soil, green plants are planted in the soil, so that the overall mass of the greening pot 9 can change in size under the action of evaporation, green plant absorption, transpiration and the like, the outer side of the greening pot 9 is fixedly connected with a waterproof gasket 901, the bottom end of the greening pot 9 is fixedly connected with uniformly distributed springs I10, the bottom end of a spring I10 is fixedly connected with the bottom end of a central cavity 8, so that when the mass of the greening pot 9 changes, the spring I10 can drive the greening pot 9 to move up and down, so that an extending body 11 moves up and down to complete opening and closing of a first circuit 12 and a second circuit 13, the bottom end of one end of the greening pot 9 is fixedly connected with an extending body 11, the extending body 11 is L-shaped, a magnet I111 is fixedly sleeved in the center of the top of the extending body 11, the extending body 11 is movably sleeved in a movable cavity I601, the center line of the magnet I111 coincides with the center line of the movable cavity II602, in the process of gradually reducing and lifting the mass of the greening pot 9, the extension body 11 can be inserted into the movable cavity II602 and finally close to the magnet II17 to adsorb the extension body, so that the switch I16 is moved downwards to connect the first circuit 12, and the water pump is started to irrigate.

Referring to fig. 1-8, a first circuit 12 and a second circuit 13 are fixedly sleeved at one end of the base 6, one end of the first circuit 12 is electrically connected to the battery 701, and the other end of the first circuit is electrically connected to the water pump 3, the first circuit 12 is disconnected from the movable cavity II602, and the first circuit 12 is in contact with the bottom of one third of the movable cavity II602, so that when the magnet I111 drives the switch I16 to move downwards continuously through the magnet II17, the first circuit 12 is always kept in an open state, so that the surrounding green plants are sufficiently irrigated, one end of the second circuit 13 is electrically connected to the first circuit 12, and the other end of the second circuit is electrically connected to the electric valve 22, the second circuit 13 is disconnected from the movable cavity III603, and the second circuit 13 is in contact with the top of the movable cavity III603, the second circuit 13 is located above the movable cavity IV604, so that when the magnet I111 and the magnet II17 are forcibly separated, the spring II14 drives the switch I16 to quickly lift up and disconnect the first circuit 12, the lifting distance of the switch II18 is increased, the switch II18 pushes the limit block 20 open, and the switch II is limited by the limit block 20 when falling back, so that the second circuit 13 is switched on.

Referring to fig. 1-8, a spring II14 is fixedly connected to the top end of the movable chamber II602, a switch base 15 is fixedly connected to the bottom end of the spring II14, a switch I16 is fixedly connected to the bottom end of the switch base 15, the diameter value of the switch I16 is the same as the diameter value of the movable chamber II602, a magnet II17 is fixedly connected to the bottom center of the switch I16, the magnet II17 and the magnet I111 are on the same center line, the positive and negative poles of the magnet II17 and the magnet I111 are opposite, a supporting rod 151 is fixedly connected to the top center of the switch base 15, a switch II18 is fixedly connected to the top end of the supporting rod 151, the supporting rod 151 and the switch II18 are movably sleeved in the spring II14, the diameter value of the switch II18 is the same as the width value of the movable chamber III603, the diameter value of the connection between the movable chamber I601 and the movable chamber II602 is half of the diameter value of the movable chamber II602, so that the quality of the greening pot 9 can be continuously increased and move down under irrigation, the extension 11 can move down synchronously, and the magnet I17 moves down to drive the switch 16 synchronously, the first circuit 12 is kept connected, the switch I16 can be limited by the movable cavity II602 when moving to the bottom of the movable cavity II602, the magnet I111 and the magnet II17 are forcibly separated, the spring II14 drives the switch I16 to be quickly lifted up to disconnect the first circuit 12, the lifting distance of the switch II18 is increased, the switch II18 pushes the limit block 20 open, the limit block 20 limits the switch II18 when falling back, the second circuit 13 is connected, the electric valve 22 is opened, water is filled into the water storage tank 1, the diameter value of the switch II18 is one third of the length value of the movable cavity III603, the movable cavity II602 is connected with the front end of the movable cavity III603, the switch II18 cannot be in contact with the air pipe 24 and the expansion ball 241 at the rear end of the movable cavity III603 when pushing the limit block 20 open, and the situation that the switch II18 cannot be normally lifted up is avoided.

Referring to fig. 1-8, the number of the movable cavities IV604 is two, the two movable cavities IV604 are located at the top of the movable cavity III603 and are symmetrical to each other, one end of the movable cavity IV604 far away from the movable cavity III603 is fixedly connected with a spring III19, one end of the spring III19 is fixedly connected with a limiting block 20, the limiting block 20 is provided with an inclined surface right facing the bottom of one end of the movable cavity III603, so that the switch II18 can extrude the limiting block 20 through the inclined surface when being lifted, and the switch II18 can be limited by the top end of the limiting block 20 when falling back, so that the second circuit 13 is opened, the width of the limiting block 20 is the same as the length of the movable cavity III603, the rear end of the limiting block 20 can be influenced by the expansion ball 241 to complete the position movement of the limiting block 20, and the collision with the displacement of the switch II18 is avoided.

Referring to fig. 1-8, a water inlet pipe 21 is fixedly sleeved at one end of the bottom of the base 6, the water inlet pipe 21 is communicated with an underground water pipe network, an electric valve 22 is fixedly connected in the water inlet pipe 21, an air pipe 24 is fixedly sleeved at one side of the base 6, the bottom end of the air pipe 24 extends to the bottom of the water storage tank 1, a floating ball 23 is fixedly connected at the bottom end of the air pipe 24, the floating ball 23 is communicated with an air passage of the air pipe 24, saturated gas is filled in the floating ball 23 and the air pipe 24, the top of the air pipe 24 extends to the rear end of the top of the movable cavity III603, expansion balls 241 are fixedly connected at two sides of the top of the air pipe 24, the expansion balls 241 are communicated with the air passage of the air pipe 24, after the water level in the water storage tank 1 drops, the pressure applied to the floating ball 23 is reduced, the expansion balls 241 are increased, the pressure applied to the limiting block 20 is reduced, the limiting block 20 is gradually popped out of the movable cavity IV604, so that the limiting block 20 cooperates with the switch II18 to open the second electric circuit 13, the electric valve 22 is opened to raise the water level in the water storage tank 1 to a safe state, at this time, the floating ball 23 is contracted, the expansion ball 241 is expanded, the limit block 20 is retracted into the movable cavity IV604, the switch II18 falls back to the initial position, and the situation that the magnet I111 cannot attract the magnet II17 to move the switch I16 downwards to open the first circuit 12 when the extension body 11 is lifted next time is avoided.

The use method (working principle) of the invention is as follows:

firstly, the solar energy component 7 converts the solar energy into the electric energy to be stored in the storage battery 701, at the moment, starting water is firstly introduced into the water storage tank 1 through the rainwater inlet manually, and the rainwater will enter the water storage tank 1 from the rainwater inlet 2 after passing through the filtering component, and the water storage tank 1 is filled with the rainwater, then, when the soil with plants in the greening pot 9 gradually becomes lighter under the action of evaporation, water absorption for greening, transpiration and the like, the greening pot 9 is gradually lifted up to enable the extending body 11 to be gradually lifted up, when the magnet I111 is close to the magnet II17, the magnet II17 is adsorbed by the magnet I111, the magnet II17 drives the switch I16 to move downwards, the switch I16 is connected with the first circuit 12, the water pump 3 is started, the water spraying component 5 sprays water to the surrounding green belts and green basins 9 for irrigation, at the moment, the water level in the water storage tank 1 gradually drops, the floating ball 23 continuously rises, the expansion ball 241 continuously shrinks, and the spring III19 pushes the limiting block 20 to move towards the center of the movable cavity III 603;

then, when the water content in the greening basin 9 gradually increases, the total mass of the greening basin 9 continuously increases, the greening basin 9 gradually moves downwards, the extension body 11 synchronously moves downwards, the magnet I111 drives the switch I16 to continuously move downwards through the magnet II17, the first circuit 12 is powered on, when the switch I16 reaches the bottom end of the movable cavity II602, the switch I602 is blocked by the movable cavity II602, the total mass of the greening basin 9 continuously increases, the magnet I111 is forcibly separated from the magnet II17, the spring II14 drives the switch I16 to quickly lift upwards, the switch II18 enters the movable cavity III603, at this time, if the water level in the water storage tank 1 is healthy, the limiting block 20 is not ejected from the movable cavity IV604, the position of the switch II18 cannot be limited, when the water level in the water storage tank 1 is too low, the limiting block 20 is ejected from the movable cavity IV604, the switch II18 is ejected upwards to open the limiting block 20, and the limiting block 20 is quickly ejected again, so that the switch II18 which falls back, the switch II18 is communicated with the second circuit 13, the electric valve 22 is opened, and water in the underground water pipe network enters the water storage tank 1 through the water inlet pipe 21;

finally, when the water level in the water storage tank 1 is gradually raised to the safe water level, the floating ball 23 is continuously compressed, so that the expansion ball 241 is expanded, the limiting block 20 is retracted into the movable cavity IV604, the limiting block 20 is not limited to fall back to the initial position, and when the water content in the greening basin 9 is reduced again, the irrigation device can automatically irrigate by repeating the steps.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. 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 self-interacting highway afforestation irrigation equipment, includes storage water tank (1), is located the rainwater entry of storage water tank (1) both sides, is located water pump (3) of storage water tank (1) bottom, spray pipe (4) with water pump (3) switch-on, water spray subassembly (5) with spray pipe (4) switch-on, its characterized in that: the top end of the water storage tank (1) is fixedly connected with a base (6), one end of the base (6) is provided with a communicated movable cavity I (601), a movable cavity II (602), a movable cavity III (603) and a movable cavity IV (604), the middle part of the base (6) is provided with a central cavity (8), the inner wall of the central cavity (8) is provided with a limiting groove (801), a greening basin (9) is clamped in the limiting groove (801), the bottom end of the greening basin (9) is fixedly connected with uniformly distributed springs I (10), the bottom of one end of the greening basin (9) is fixedly connected with an extending body (11), the top center of the extending body (11) is fixedly sleeved with a magnet I (111), one end of the base (6) is fixedly sleeved with a first circuit (12) and a second circuit (13), the top end of the movable cavity II (602) is fixedly connected with a spring II (14), the bottom fixedly connected with switch seat (15) of spring II (14), the bottom fixedly connected with switch I (16) of switch seat (15), the bottom center fixedly connected with magnet II (17) of switch I (16), the top center fixedly connected with branch (151) of switch seat (15), the top fixedly connected with switch II (18) of branch (151), the one end fixedly connected with spring III (19) of activity chamber III (603) is kept away from to activity chamber IV (604), the one end fixedly connected with stopper (20) of spring III (19), inlet tube (21) has been cup jointed to the bottom one end of base (6) fixedly, fixedly connected with motorised valve (22) in inlet tube (21), trachea (24) have been cup jointed to one side of base (6) fixedly, the bottom fixedly connected with floater (23) of trachea (24), expansion balls (241) are fixedly connected to two sides of the top of the air pipe (24).

2. A self-regulating irrigation device for highway greening according to claim 1, further comprising: the base (6) is buried in the center of a green belt, the top of the base (6) is higher than the middle of a green plant, a solar component (7) is fixedly connected to one side of the top end of the base (6), a storage battery (701) is fixedly connected to one end of the bottom of the base (6), and the storage battery (701) is electrically connected with the solar component (7).

3. A self-regulating irrigation device for highway greening according to claim 1, further comprising: the greening pot is characterized in that soil is filled in the greening pot (9), green plants are planted in the soil, a waterproof gasket (901) is fixedly connected to the outer side of the greening pot (9), and the bottom end of the spring I (10) is fixedly connected with the bottom end of the central cavity (8).

4. A self-regulating irrigation device for highway greening according to claim 1, further comprising: the extension body (11) is L-shaped, the extension body (11) is movably sleeved in the movable cavity I (601), and the central line of the magnet I (111) is superposed with the central line of the movable cavity II (602).

5. A self-regulating irrigation device for highway greening according to claim 1, further comprising: one end of the first circuit (12) is electrically connected with the storage battery (701), the other end of the first circuit is electrically connected with the water pump (3), the first circuit (12) is disconnected from the movable cavity II (602), the first circuit (12) is in contact with the bottom of one third of the movable cavity II (602), one end of the second circuit (13) is electrically connected with the first circuit (12), the other end of the second circuit is electrically connected with the electric valve (22), the second circuit (13) is disconnected from the movable cavity III (603), the second circuit (13) is in contact with the top of the movable cavity III (603), and the second circuit (13) is located above the movable cavity IV (604).

6. A self-regulating irrigation device for highway greening according to claim 1, further comprising: the diameter value of switch I (16) is the same with the diameter value size of activity chamber II (602), magnet II (17) and magnet I (111) are in same central line, magnet II (17) and magnet I (111) positive and negative are relative, branch (151) and switch II (18) all activity cup joint in spring II (14), the diameter value of switch II (18) is the same with the width value size of activity chamber III (603), the intercommunication department diameter value of activity chamber I (601) and activity chamber II (602) is the half of activity chamber II (602) diameter value, the diameter value of switch II (18) is the third of activity chamber III (603) length value, activity chamber II (602) and the front end switch-on of activity chamber III (603).

7. A self-regulating irrigation device for highway greening according to claim 1, further comprising: the number of activity chamber IV (604) is two, two activity chamber IV (604) are located the top of activity chamber III (603), and symmetry each other, stopper (20) just are equipped with the inclined plane to the one end bottom of activity chamber III (603), the width value of stopper (20) is the same with the length value size of activity chamber III (603).

8. A self-regulating irrigation device for highway greening according to claim 1, further comprising: the water inlet pipe (21) is communicated with an underground water pipe network, the bottom end of the air pipe (24) extends to the bottom of the water storage tank (1), the floating ball (23) is communicated with an air passage of the air pipe (24), saturated gas is filled in the floating ball (23) and the air pipe (24), the top of the air pipe (24) extends to the rear end of the top of the movable cavity III (603), and the expansion ball (241) is communicated with the air passage of the air pipe (24).