CN112997862A

CN112997862A - Intelligent agricultural intelligent irrigation device and irrigation method thereof

Info

Publication number: CN112997862A
Application number: CN202110394591.5A
Authority: CN
Inventors: 季进平
Original assignee: Individual
Current assignee: Hunan Chuangxin Jianong Technology Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-06-22
Anticipated expiration: 2041-04-13
Also published as: CN112997862B

Abstract

The invention relates to the technical field of intelligent agricultural irrigation devices, in particular to an intelligent agricultural irrigation device and an irrigation method thereof, and the intelligent agricultural irrigation device comprises a connecting plate, a convex block, a positioning plate, a wide plate, a cantilever plate, a supporting plate and a bottom plate, wherein the front end of the supporting plate is connected with a transfer plate through a screw, the front end of the transfer plate is fixedly connected with a three-way pipe, the left end and the right end of the three-way pipe are both connected with flanges, the left end of the left flange is communicated with a water through pipe, the front end of the three-way pipe is communicated with a first connecting pipe, the front end of the first connecting pipe is communicated with a booster pump, the front end of the booster pump is communicated with a second connecting pipe, the middle part of the first connecting pipe is communicated with a material through pipe, the middle part; it is convenient for irrigate simultaneously a plurality of regions, and convenient to use person irrigates far away and wide regional farmland, is convenient for control water flow velocity at the in-process of irrigating.

Description

Intelligent agricultural intelligent irrigation device and irrigation method thereof

Technical Field

The invention relates to the technical field of intelligent agricultural irrigation devices, in particular to an intelligent agricultural irrigation device and an irrigation method thereof.

Background

Wisdom agricultural is to use modern technology to reform transform the back to agricultural equipment, realizes the notion of automatic agriculture, is carrying out the in-process of regularly irrigating crops, needs the user to be connected to the region that needs the irrigation with the connecting tube.

Through retrieval, the invention patent with the patent publication number of CN206949121U discloses an agricultural irrigation device convenient to use, and relates to the field of agricultural irrigation devices. This agricultural irrigation device convenient to use, including the fixed plate, the four corners of fixed plate bottom all is provided with the gyro wheel, and the top of fixed plate is provided with the backup pad, the four corners of backup pad bottom all with the top fixed connection of depression bar, the bottom of depression bar run through the bumper shock absorber and extend to the inside of bumper shock absorber and the top fixed connection of briquetting. The above prior art solutions still have the following drawbacks: it is at the in-process of using, is not convenient for irrigate simultaneously a plurality of regions to at the in-process of using, be not convenient for the user irrigates the farmland of long distance and wide region, be not convenient for control water flow velocity at the in-process of irrigating.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the intelligent agricultural irrigation device and the intelligent agricultural irrigation method, which are convenient for simultaneously irrigating a plurality of areas, convenient for a user to irrigate farmlands at a longer distance and in a wider area and convenient for controlling the flow speed of water in the irrigation process.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an intelligent irrigation device for intelligent agriculture comprises a connecting plate, wherein a convex block is fixedly connected to the left end of the connecting plate, a mounting hole corresponding to the convex block is formed in the right end of the connecting plate, a positioning plate is arranged on the right portion of the connecting plate, the bottom end of the positioning plate penetrates through the right portion of the connecting plate, a positioning hole corresponding to the positioning plate is formed in the middle of the convex block, a wide plate is fixedly connected to the bottom end of the positioning plate, a cantilever plate is connected to the bottom end of the wide plate through a screw, a supporting plate is fixedly connected to the rear end of the cantilever plate, a bottom plate is fixedly connected to the bottom end of the supporting plate, a transfer plate is connected to the front end of the supporting plate through a screw, a three-way pipe is fixedly connected to the front end of the transfer plate, flanges are connected to the left end and the right end of the three, the utility model discloses a medical instrument, including first connecting pipe, second connecting pipe, first electric valve, logical pipe, first electric valve, the top intercommunication that leads to the material pipe has the booster pump, the front end intercommunication of first connecting pipe has the second connecting pipe, the middle part intercommunication of first connecting pipe has logical material pipe, the mid-mounting that leads to the material pipe has first electric valve, the top intercommunication that leads to the material pipe has the explosive box, the dampproofing pad of inner wall fixedly connected with of explosive box, the top of explosive box is provided with the top cap.

Preferably, the middle part of water service pipe is provided with the fixed plate, the top fixedly connected with of fixed plate indulges the board, indulge the board the top with the bottom fixed connection of connecting plate, the bottom of fixed plate be provided with the corresponding first groove of stepping down of water service pipe, there is the screens board bottom of fixed plate through screwed connection, the top of screens board be provided with the corresponding second groove of stepping down of water service pipe.

Preferably, the bottom left part and the equal fixedly connected with major axis of bottom right part of bottom plate, each the equal fixedly connected with a plurality of barbs of circumference outer wall of major axis.

Preferably, the top end of the positioning plate is fixedly connected with an upper plate, and the top end of the upper plate is fixedly connected with a handle.

Preferably, the outer side wall of the second connecting pipe is communicated with a plurality of water outlet pipes, and a second electric valve is installed in the middle of each water outlet pipe.

Preferably, be provided with agitating unit between first connecting pipe and the booster pump, agitating unit's bottom intercommunication has the third connecting pipe, the bottom of third connecting pipe with the booster pump intercommunication, the mid-mounting of third connecting pipe has third electric valve.

Preferably, control panel is installed on the top of bottom plate, control panel with first electric valve electricity is connected, control panel's inside is provided with calculation module, time order module inside has the best soil humidity range of growth, best soil temperature range and nutrient solution ratio and the liquid medicine ratio of plant diseases and insect pests of multiple crops in the different time quantum of saving, second electric valve with control panel electricity is connected, third electric valve with the control panel electricity is connected, be equipped with data acquisition module on the bottom plate, data acquisition module sets up in the bottom plate upper surface and includes temperature sensor, humidity transducer, first electric valve, second electric valve, third electric valve all are connected with drive module, the connecting plate upper surface is equipped with monitoring module.

An irrigation method of an intelligent agricultural irrigation device comprises the following steps:

placing a plurality of devices in an area needing irrigation, placing medicines in a medicine storage box, inserting adjacent lugs into mounting holes, inserting positioning plates into positioning holes, and introducing water into a water pipe;

and step two, the data acquisition module can automatically acquire and process temperature, humidity, rainfall and illumination environment parameters, and the calculation module periodically and selectively starts the first electric valve, the second electric valve and the third electric valve respectively through the driving module after receiving the parameters of the data acquisition module and the time command module.

And step three, when the diseases and insect pests appear in the monitoring area, the calculation module identifies the diseases and insect pests and conditions of soil humidity and temperature according to the picture information, provides a nutrient solution or liquid medicine proportioning scheme for a user, and starts the first electric valve, the second electric valve and the third electric valve in the corresponding area through the driving module.

(III) advantageous effects

Compared with the prior art, the invention provides an intelligent agricultural intelligent irrigation device and an irrigation method thereof, and the intelligent agricultural intelligent irrigation device and the irrigation method have the following beneficial effects:

1. the intelligent agricultural irrigation device and the irrigation method thereof are characterized in that a water pipe is connected through a three-way pipe, so that long-distance water can be conveniently passed, a plurality of devices are placed in an area needing irrigation, medicines are placed in a medicine storage box, adjacent lugs are inserted into mounting holes, a positioning plate is inserted into a positioning hole, water is introduced into the water pipe, when irrigation is needed, a user opens a first electric valve, so that the medicines are introduced into a stirring device, a third electric valve is started, so that mixed liquid after stirring is introduced into a booster pump, the user starts a corresponding second electric valve of the area needing irrigation, so that the mixed liquid is introduced into a corresponding irrigation area, the flow of the water and the medicines is controlled through the electric valve, the flow rate of the water is increased through the booster pump, so that simultaneous irrigation of a plurality of areas is convenient, the user can conveniently irrigate farmlands at far distance and in wider areas, the effect of facilitating control of the flow rate of water during irrigation is to deliver a high and sufficient flow of water to a remote area.

2. According to the intelligent agricultural intelligent irrigation device and the irrigation method thereof, the adjacent convex blocks are inserted into the mounting holes, the positioning plates are inserted into the positioning holes, modularized and intelligent irrigation management is realized, and the intelligent agricultural intelligent irrigation device is particularly suitable for large-area and regular-shape areas such as green belts of agricultural fields and highways and small in occupied area.

3. The intelligent agricultural intelligent irrigation device and the irrigation method thereof can detect regional condition changes in real time through the data acquisition module, the calculation module and the monitoring module, realize periodical and rhythmic irrigation, and can respectively start the first electric valve, the second electric valve and the third electric valve periodically and selectively through the calculation module to realize the purpose-oriented adjustment of irrigation modes, the pest protection and the fertilization maintenance in different regions.

4. This wisdom agricultural intelligence irrigation equipment and irrigation method thereof has major axis and barb through the bottom plate under, has increased the device in open air stability, avoids device offset, better rain and snow or the striking in the face of outdoor environment.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic top view of the connecting plate, the positioning plate and the wide plate of the present invention;

FIG. 4 is a left side view showing the structure of the water pipe, the fixing plate and the locking plate of the present invention.

In the figure: 1. a connecting plate; 2. a bump; 3. positioning a plate; 4. a wide plate; 5. a cantilever plate; 6. a support plate; 7. a base plate; 8. an adapter plate; 9. a three-way pipe; 10. a flange; 11. a water pipe; 12. a first connecting pipe; 13. a booster pump; 14. a second connecting pipe; 15. a material passing pipe; 16. a first electrically operated valve; 17. a medicine storage box; 18. a moisture-proof pad; 19. a top cover; 20. a control panel; 21. a calculation module; 22. a fixing plate; 23. a longitudinal plate; 24. a clamping plate; 25. a long axis; 26. a barb; 27. an upper plate; 28. a handle; 29. a water outlet pipe; 30. a second electrically operated valve; 31. a stirring device; 32. a third connecting pipe; 33. a third electrically operated valve.

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.

Examples

Referring to fig. 1-4, an intelligent irrigation device for intelligent agriculture comprises a connecting plate 1, a convex block 2 is fixedly connected to the left end of the connecting plate 1, a mounting hole corresponding to the convex block 2 is formed in the right end of the connecting plate 1, a positioning plate 3 is arranged on the right portion of the connecting plate 1, the bottom end of the positioning plate 3 penetrates through the right portion of the connecting plate 1, a positioning hole corresponding to the positioning plate 3 is formed in the middle of the convex block 2, a wide plate 4 is fixedly connected to the bottom end of the positioning plate 3, a cantilever plate 5 is connected to the bottom end of the wide plate 4 through a screw, a supporting plate 6 is fixedly connected to the rear end of the cantilever plate 5, a bottom plate 7 is fixedly connected to the bottom end of the supporting plate 6, an adapter plate 8 is connected to the front end of the adapter plate 8 through a screw, a three-way pipe 9 is fixedly connected to, the front end of the three-way pipe 9 is communicated with a first connecting pipe 12, the front end of the first connecting pipe 12 is communicated with a booster pump 13, the front end of the booster pump 13 is communicated with a second connecting pipe 14, the middle part of the first connecting pipe 12 is communicated with a material passing pipe 15, and the middle part of the material passing pipe 15 is provided with a first electric valve 16.

Further, the top end of the material passing pipe 15 is communicated with a medicine storage box 17, the inner wall of the medicine storage box 17 is fixedly connected with a moisture-proof pad 18, the moisture-proof pad 18 is a rubber pad, a top cover 19 is arranged at the top end of the medicine storage box 17, a control panel 20 is arranged at the top end of the bottom plate 7, the control panel 20 is electrically connected with the first electric valve 16, and a calculation module 21 is arranged inside the control panel 20; the middle part of the water service pipe 11 is provided with a fixing plate 22, the top end of the fixing plate 22 is fixedly connected with a longitudinal plate 23, the top end of the longitudinal plate 23 is fixedly connected with the bottom end of the connecting plate 1, the bottom end of the fixing plate 22 is provided with a first abdicating groove corresponding to the water service pipe 11, the bottom end of the fixing plate 22 is connected with a clamping plate 24 through a screw, and the top end of the clamping plate 24 is provided with a second abdicating groove corresponding to the water service pipe 11; the position of the water service pipe 11 is limited by the clamping plate 24 and the fixing plate 22, the use stability is further improved, the corrosion damage of the water service pipe 11 is reduced by the form of erecting the water service pipe 11, the left part and the right part of the bottom end of the bottom plate 7 are fixedly connected with long shafts 25, and the circumferential outer wall of each long shaft 25 is fixedly connected with a plurality of barbs 26; the long shaft 25 and the barb 26 are matched with the ground, so that the longitudinal deviation of the bottom plate 7 is reduced, the use stability is further improved, the top end of the positioning plate 3 is fixedly connected with an upper plate 27, and the top end of the upper plate 27 is fixedly connected with a handle 28; the position of the positioning plate 3 is further limited through the upper plate 27, and the handle 28 is pulled by a user, so that the positioning plate 3 is driven to move, and the effect of further convenience for the user is achieved; the flow rate of the water in the water outlet pipe 29 is controlled by the second electric valve 30, so that the irrigation effect is further convenient for a user to control.

Further, a stirring device 31 is arranged between the first connecting pipe 12 and the booster pump 13, the stirring device 31 is a common stirring device 31, the stirring device 31 includes a power device and a stirring component, which are well known to those skilled in the art, a third connecting pipe 32 is communicated with a bottom end of the stirring device 31, a bottom end of the third connecting pipe 32 is communicated with the booster pump 13, a third electric valve 33 is installed in the middle of the third connecting pipe 32, and the third electric valve 33 is electrically connected with the control panel 20; the water and the medicines are stirred by the stirring device 31, so that the medicines are stirred conveniently, and then the stirred water is gradually sprayed out by the booster pump 13, so that the effect of further improving the practicability is achieved; the water through pipe 11 is connected through the three-way pipe 9, so that long-distance water through is facilitated, a plurality of devices are placed in the area needing irrigation, the medicines are placed in the medicine storage box 17, the adjacent bumps 2 are inserted into the mounting holes, the positioning plate 3 is inserted into the positioning holes, water is introduced into the water through pipe 11, when irrigation is needed, a user opens the first electric valve 16, the medicines are introduced into the stirring device 31, the user opens the third electric valve 33, the stirred mixed liquid is introduced into the booster pump 13, the user starts the corresponding second electric valve 30 of the area needing irrigation, the mixed liquid is introduced into the corresponding irrigation area, the flow of the water and the medicines is controlled through the electric valve, the flow rate of the water is increased through the booster pump 13, simultaneous irrigation of a plurality of areas is facilitated, and the user can conveniently irrigate farmlands which are far away and wide, the irrigation system is particularly suitable for large-area and regular-shape areas such as green belts of agricultural fields and highways, and has the effect of conveniently controlling the flow speed of water in the irrigation process.

Furthermore, a season module is arranged inside the control panel 20, the season module stores the optimal soil humidity range, the optimal soil temperature range, the nutrient solution ratio and the pest and disease liquid ratio of multiple crops growing in different time periods, a data acquisition module is arranged on the upper surface of the bottom plate 7 and comprises a temperature sensor and a humidity sensor, the position of the data acquisition module is close to the surface layer of the soil, and the measured value is close to the real value of the soil; the first electric valve 16, the second electric valve 30 and the third electric valve 33 are all connected with a driving module; the data acquisition module can automatically acquire and process temperature and humidity environmental parameters, the calculation module 21 receives the parameters of the data acquisition module and then compares the parameters with the optimal humidity and temperature ranges stored in the module, and when the soil humidity measurement value is lower than the optimal soil humidity range or the soil temperature measurement value is higher than the optimal soil temperature range, the calculation module 21 starts the second electric valve 30 and the third electric valve 33 in the corresponding area through the driving module, so that the targeted irrigation in different areas can be realized; in addition, 1 upper surface of connecting plate is equipped with monitoring module and carries out the plant diseases and insect pests control to regional crop through picture intelligent recognition's mode, when the plant diseases and insect pests appear in the monitoring area, calculation module 21 carries out the plant diseases and insect pests discernment and soil humidity and temperature condition this moment according to picture information, provide nutrient solution or liquid medicine ratio scheme for the user, and start corresponding regional first electric valve 16 through drive module, second electric valve 30 and third electric valve 33 are with spraying the liquid medicine, the nutrient solution, the modularization has been realized, intelligent irrigation management, the plant diseases and insect pests protection and fertilization maintenance.

Furthermore, the material passing pipe 15, the first electric valve 16, the medicine storage box 17, the moisture-proof pad 18 and the top cover 19 can be provided with a plurality of liquid medicines (such as nitrogen, phosphorus, potassium and the like) for storing various nutrient solutions needed by crops or preventing diseases and pests in a set.

placing a plurality of devices in an area needing irrigation, placing medicines in a medicine storage box 17, inserting adjacent lugs 2 into mounting holes, inserting a positioning plate 3 into the positioning holes, and introducing water into a water through pipe 11; the medicine is stored by the medicine storage box 17, thereby facilitating the mixing of the medicine and the water.

And step two, the data acquisition module can automatically acquire and process the environmental parameters of temperature and humidity, the calculation module 21 compares the parameters of the data acquisition module with the optimal humidity and temperature range stored in the module, and when the soil humidity measurement value is lower than the optimal soil humidity range or the soil temperature measurement value is higher than the optimal soil temperature range, the calculation module 21 starts the second electric valve 30 and the third electric valve 33 in the corresponding area through the driving module.

Step three, when the disease and insect pest appear in the monitoring area, the calculation module 21 identifies the disease and insect pest and conditions of soil humidity and temperature at the moment according to the picture information, provides a nutrient solution or liquid medicine proportioning scheme for a user, and starts the first electric valve 16, the second electric valve 30 and the third electric valve 33 in the corresponding area through the driving module.

In summary, when the intelligent agricultural irrigation device and the irrigation method thereof are used, firstly, a user puts a plurality of devices in an area needing irrigation, the drugs are put in the drug storage box 17, the adjacent bumps 2 are inserted into the mounting holes, the positioning plate 3 is inserted into the positioning holes, water is introduced into the water pipe 11, the temperature and humidity environmental parameters can be automatically collected and processed through the data acquisition module, the calculation module 21 receives the parameters of the data acquisition module and then compares the parameters with the optimal humidity and temperature range stored in the module, when the soil humidity measurement value is lower than the optimal soil humidity range or the soil temperature measurement value is higher than the optimal soil temperature range, the calculation module 21 starts the second electric valve 30 and the third electric valve 33 in the corresponding area through the driving module, when the diseases and insect pests appear in the monitored area, the calculation module 21 performs the disease identification and the soil humidity and temperature conditions according to the picture information, the nutrient solution or liquid medicine proportioning scheme is provided for a user, and the first electric valve 16, the second electric valve 30 and the third electric valve 33 in the corresponding areas are started through the driving module, so that the purpose of adjusting irrigation modes, protecting against plant diseases and insect pests and fertilizing and maintaining in different areas is achieved.

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 an wisdom agricultural intelligence irrigation equipment which characterized in that: the connecting plate comprises a connecting plate (1), a convex block (2) is fixedly connected to the left end of the connecting plate (1), a mounting hole corresponding to the convex block (2) is formed in the right end of the connecting plate (1), a positioning plate (3) is arranged on the right portion of the connecting plate (1), the bottom end of the positioning plate (3) penetrates through the right portion of the connecting plate (1), a positioning hole corresponding to the positioning plate (3) is formed in the middle of the convex block (2), a wide plate (4) is fixedly connected to the bottom end of the positioning plate (3), a cantilever plate (5) is connected to the bottom end of the wide plate (4) through a screw, a supporting plate (6) is fixedly connected to the rear end of the cantilever plate (5), a bottom plate (7) is fixedly connected to the bottom end of the supporting plate (6), a switching plate (8) is connected to the front end of the supporting plate (6) through a screw, the left end and the right-hand member of three-way pipe (9) all are connected with flange (10), and the left end intercommunication of left flange (10) has water service pipe (11), the front end intercommunication of three-way pipe (9) has first connecting pipe (12), the front end intercommunication of first connecting pipe (12) has booster pump (13), the front end intercommunication of booster pump (13) has second connecting pipe (14), the middle part intercommunication of first connecting pipe (12) has material pipe (15), the mid-mounting of material pipe (15) has first electric valve (16), the top intercommunication of material pipe (15) has explosive box (17), the inner wall fixedly connected with dampproofing pad (18) of explosive box (17), the top of explosive box (17) is provided with top cap (19).

2. The intelligent agricultural irrigation device as claimed in claim 1, wherein: the middle part of water service pipe (11) is provided with fixed plate (22), the top fixedly connected with of fixed plate (22) indulges board (23), the top of indulging board (23) with the bottom fixed connection of connecting plate (1), the bottom of fixed plate (22) be provided with the corresponding first groove of stepping down of water service pipe (11), there is screens board (24) bottom of fixed plate (22) through bolted connection, the top of screens board (24) be provided with the corresponding second of water service pipe (11) groove of stepping down.

3. The intelligent agricultural irrigation device as claimed in claim 2, wherein: the equal fixedly connected with major axis (25) in bottom left part and bottom right part of bottom plate (7), each the equal fixedly connected with a plurality of barbs (26) of circumference outer wall of major axis (25).

4. The intelligent agricultural irrigation device as claimed in claim 3, wherein: the top end of the positioning plate (3) is fixedly connected with an upper plate (27), and the top end of the upper plate (27) is fixedly connected with a handle (28).

5. The intelligent agricultural irrigation device as claimed in claim 4, wherein: the outer side wall of the second connecting pipe (14) is communicated with a plurality of water outlet pipes (29), and a second electric valve (30) is installed in the middle of each water outlet pipe (29).

6. The intelligent agricultural irrigation device as claimed in claim 5, wherein: be provided with agitating unit (31) between first connecting pipe (12) and booster pump (13), the bottom intercommunication of agitating unit (31) has third connecting pipe (32), the bottom of third connecting pipe (32) with booster pump (13) intercommunication, the mid-mounting of third connecting pipe (32) has third electric valve (33).

7. The intelligent agricultural irrigation device as claimed in claim 6, wherein: control panel (20) is installed on the top of bottom plate (7), control panel (20) with first electric valve (16) electricity is connected, control panel (20)'s inside is provided with calculation module (21), time order module inside has the best soil humidity scope of multiple crop different time quantum internal growth, best soil temperature scope and nutrient solution ratio and plant diseases and insect pests liquid medicine ratio of preserving, second electric valve (30) with control panel (20) electricity is connected, third electric valve (33) with control panel (20) electricity is connected, be equipped with data acquisition module on bottom plate (7), data acquisition module sets up in bottom plate (7) upper surface and includes temperature sensor, humidity transducer, first electric valve (16), second electric valve (30), third electric valve (33) all are connected with drive module, and a monitoring module is arranged on the upper surface of the connecting plate (1).

8. An irrigation method of the intelligent agricultural irrigation device according to any one of claims 1 to 7, comprising the following steps:

placing a plurality of devices in an area needing irrigation, placing medicines in a medicine storage box (17), inserting adjacent bumps (2) into mounting holes, inserting positioning plates (3) into the positioning holes, and introducing water into a water through pipe (11);

and step two, the data acquisition module can automatically acquire and process temperature and humidity environment parameters, the calculation module (21) compares the parameters of the data acquisition module with the optimal humidity and temperature range stored in the module, and when the soil humidity measurement value is lower than the optimal soil humidity range or the soil temperature measurement value is higher than the optimal soil temperature range, the calculation module (21) starts a second electric valve (30) and a third electric valve (33) in the corresponding area through the driving module.

Step three, when plant diseases and insect pests appear in the monitoring area, the calculation module (21) identifies the plant diseases and insect pests and conditions of soil humidity and temperature at the moment according to the picture information, provides a nutrient solution or liquid medicine proportioning scheme for a user, and starts the first electric valve (16), the second electric valve (30) and the third electric valve (33) in the corresponding area through the driving module.