CN115281022B - Humidification cooling device and method for reducing harm of dry hot air - Google Patents
Humidification cooling device and method for reducing harm of dry hot air Download PDFInfo
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- CN115281022B CN115281022B CN202210860744.5A CN202210860744A CN115281022B CN 115281022 B CN115281022 B CN 115281022B CN 202210860744 A CN202210860744 A CN 202210860744A CN 115281022 B CN115281022 B CN 115281022B
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- 238000001816 cooling Methods 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 149
- 239000007921 spray Substances 0.000 claims abstract description 73
- 230000007246 mechanism Effects 0.000 claims abstract description 55
- 238000005507 spraying Methods 0.000 claims abstract description 36
- 238000004804 winding Methods 0.000 claims abstract description 26
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 15
- 235000011089 carbon dioxide Nutrition 0.000 claims abstract description 15
- 239000000779 smoke Substances 0.000 claims description 22
- 239000002689 soil Substances 0.000 claims description 16
- 239000003595 mist Substances 0.000 claims description 8
- 238000010248 power generation Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 3
- 241000209140 Triticum Species 0.000 description 6
- 235000021307 Triticum Nutrition 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 4
- 238000003973 irrigation Methods 0.000 description 4
- 230000002262 irrigation Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000443 aerosol Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/09—Watering arrangements making use of movable installations on wheels or the like
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
- A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/54—Free-cooling systems
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Soil Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
Abstract
The invention relates to a humidifying and cooling device for reducing the harm of dry hot air and a method thereof, comprising two water supply devices, a spray cooling device and a control device, wherein the water supply devices comprise a water supply pump, a water pipe and a pipe winding and unwinding mechanism; the spray cooling device comprises a moving trolley, a spraying mechanism and a cooling mechanism; the mobile trolley is used for moving in the field; the spraying mechanism and the cooling mechanism are arranged on the movable trolley. The invention can realize comprehensive humidification and cooling of crops which are harmed by the dry hot air by arranging the upper water spray mechanism, the lower water spray mechanism and the dry ice spray mechanism, and effectively reduce the harm of the dry hot air to the crops.
Description
Technical Field
The invention relates to a humidifying and cooling device for reducing harm of dry hot air and a method thereof, belonging to the field of air humidification.
Background
The dry hot air is one of agricultural weather disasters of high temperature, low humidity and certain wind power. The essence of the harm of the dry hot air is that the physiological drought of crops is caused by high temperature and low humidity, and the wind only aggravates the degree of the harm. When in hot and dry wind, the temperature is obviously increased, the humidity is obviously reduced, certain wind force is involved, transpiration is aggravated, the root system is not enough to absorb water, and the shortage of wheat grouting, serious blighted grains and even withered death are often caused, so that the yield of the wheat is reduced to different degrees, generally by 5% -10%, the yield reaches more than 20% when serious, and the quality and the yield of the wheat are influenced. The harm of the dry hot air to the wheat is the combined action of heat and dryness. The first defending measure is to moisten wheat Tian Jiangwen and the second defending measure is to strengthen the dry and hot air resistance of wheat. The existing cooling and humidifying equipment mainly has two kinds: for shallow form, the water tank sets up on the shallow, and the shallow removes the sprinkling irrigation in the farmland, has the problem: the weight of the water adding tank of the cart is large, the movement is inconvenient, the adjustability is poor, and the working efficiency is low; and because farmland is generally soft, the trolley with large dead weight can roll and harden farmland, which is unfavorable for crop growth. The other type is that the farmland irrigation device is irrigated by a water pump and a water pipe, but the water pipe is inconvenient to move after water injection, irrigation is carried out in a mode that a plurality of people lift the water pipe in the moving process, and a great amount of physical strength of a carrier is consumed. In addition, the existing humidifying and cooling equipment adopts a water spraying mode to cool, so that the cooling effect is poor.
Disclosure of Invention
The invention provides a humidifying and cooling device for reducing the harm of dry hot air and a method thereof, which solve the problems of inconvenient movement, poor adjustability, lower working efficiency and no cooling equipment of the existing humidifying and cooling device.
In order to solve the technical problems, the invention adopts the following technical scheme:
The utility model provides a reduce humidification heat sink of dry and hot air harm, includes two water supply devices, a mist cooling device and controlling means, water supply device include working shaft, raceway and receive and release pipe mechanism, the raceway winding on receive and release pipe mechanism, the one end of raceway with the working shaft connect, the other end of raceway with mist cooling device's inlet tube intercommunication.
The water supply device comprises a movable trolley.
If the farmland is organic, the sprayed water can be water of the farmland. The water supply pump, the water pipe and the pipe collecting and releasing mechanism are arranged on the movable trolley, so that the water supply pump, the water pipe and the pipe collecting and releasing mechanism can be moved. If the farmland does not have a motor-pumped well, a water supply tank is also needed, and the water supply tank is arranged on the movable trolley to provide water source for the spraying equipment.
The spray cooling device comprises a mobile trolley, a spraying mechanism and a cooling mechanism; the mobile trolley is used for moving in the field; the spraying mechanism and the cooling mechanism are arranged on the movable trolley;
The spraying mechanism comprises a water inlet pipe, the water inlet pipe is divided into a first water inlet pipe and a second water inlet pipe through a three-way joint, the second water inlet pipe is communicated with the pressurizing pump, the outlet of the pressurizing pump is divided into a first water outlet pipe and a second water outlet pipe through the three-way joint, the first water outlet pipe is communicated with an upper spraying pipe, and a plurality of spray heads are arranged on the upper spraying pipe; the second water outlet pipe is communicated with the lower spray pipe, a plurality of spray branch pipes are arranged on the lower spray pipe, and spray heads are arranged on the spray branch pipes; the first water inlet pipe is communicated with the first water outlet pipe; the first water inlet pipe and the second water inlet pipe are respectively provided with a first valve and a second valve, and the first water outlet pipe and the second water outlet pipe are respectively provided with a third valve and a fourth valve;
The control device comprises a programmable singlechip, a temperature and humidity sensor and a display, and the pipe collecting and releasing mechanism, the water supply pump, the booster pump, the first valve, the second valve, the third valve, the fourth valve, the temperature and humidity sensor and the display are respectively connected with the programmable singlechip.
Preferably: the travelling car comprises a frame, a mounting frame and triangular crawler wheels, wherein four support rods of the frame are respectively connected with the triangular crawler wheels, a belt pulley is arranged on a crawler wheel driving shaft of the triangular crawler wheels arranged in front of the frame, a main driving shaft is arranged on the mounting frame, a belt pulley is arranged on the main driving shaft, the main driving shaft is installed with a driving motor, and the belt pulleys are connected together through a belt. Preferably: the mounting frame is a lower space and an upper space, and the spraying mechanism is arranged in the lower space; the cooling device and the control device are arranged in an upper space, and the upper space is of a box type structure.
Preferably: the cooling mechanism comprises a dry ice smoke machine and a smoke pipe, wherein an outlet of the dry ice smoke machine is connected with the smoke pipe, and a conical mist outlet is formed in an outlet of the smoke pipe.
Preferably: the support rod on be provided with and arrange the barrier mechanism, arrange the barrier mechanism including connecting rod and the V template of setting on the connecting rod, the connecting rod with bracing piece threaded connection.
Preferably: the water supply device comprises a movable trolley and a water supply tank, wherein the water supply tank, a water supply pump, a water pipe and a retractable pipe mechanism are arranged on the movable trolley.
Preferably: the pipe winding and unwinding mechanism comprises a pipe winding and unwinding frame and a pipe winding and unwinding motor, and the pipe winding and unwinding motor is installed together with the pipe winding and unwinding frame.
Preferably: also comprises a solar power generation device.
The invention also provides a humidifying and cooling method for reducing the harm of dry hot air, which comprises the following steps:
1. The equipment is connected, a programmable singlechip is started, and according to the data of the temperature and humidity sensor, the programmable singlechip is used for setting operation parameters to control the operation of each equipment;
2. Under the action of the driving motor and the winding and unwinding pipe motor, the movable trolley drives the spraying device and the cooling device to move in the field, spraying, humidifying and cooling operation is carried out on crops, the humidity of the field is increased, the temperature is reduced, and the harm of dry hot air to the agricultural effect is effectively reduced;
3. When the mobile trolley moves from one end to the other end along the ridge, the water pipe is quickly detached, the water pipe at the other end is replaced, the pipe retracting motor operates, the water pipe in the farmland is retracted onto the pipe frame, and the other pipe retracting mechanism operates; if the electric wires are available, the electric wires are simultaneously wound and wound; repeating the steps to realize the humidification and cooling operation of farmlands;
4. the humidifying and cooling operation is carried out according to the temperature and humidity of farmland air and soil in the following modes:
a: humidification mode:
(1) The air temperature of the farmland is low, cooling is not needed, the air humidity of the farmland is low, humidification operation is needed, at the moment, according to the humidity requirement of the farmland, the upper first valve is independently opened, and the upper part of crops is humidified through a spray head on the upper spray pipe; if the farmland is longer, the water pressure of the water supply pump is insufficient to meet the spraying requirement, the second valve, the third valve and the booster pump are started to spray water flow after the water flow is pressurized for the second time, so that the problem of insufficient water pressure can be effectively solved;
(2) The air temperature of the farmland is low, cooling is not needed, the humidity of the air and the soil of the farmland is low, at the moment, according to the humidity requirement of the farmland, the upper first valve is independently opened, and the upper part of crops is humidified through the spray head on the upper spray pipe; the second valve, the fourth valve and the booster pump are opened to carry out secondary pressurization on water flow, then spray is carried out through the spray heads on the lower spray pipe and the spray branch pipe, humidification operation is carried out on the lower part of crops, and the problem of low humidity of farmland soil can be effectively solved; if the pressure of the upper spray head is insufficient, a third valve can be opened, and pressurized water is adopted to perform upper-layer spraying operation.
B: the temperature reduction mode is as follows:
the air temperature in farmland is high, need the cooling, open dry ice aerosol sprayer, blowout low temperature smog, cool down the operation to the farmland, make the part in farmland form low temperature environment, can reduce the influence of high temperature to crops effectively, improve the output of crops.
If the farmland needs humidification and cooling at the same time, the farmland humidification and cooling operation can be completed by adopting the mode combination of A and B according to the temperature and humidity of the farmland air and the soil.
The invention has the beneficial effects that:
According to the invention, the two water supply devices, the spray cooling device and the control device are arranged on the ridge, the spray cooling device moves in the field through the movable trolley to cool in a spray manner, and the water tank and other heavier equipment are arranged on the ridge, so that the load of the movable trolley can be effectively reduced, the movable trolley can move more flexibly, the rolling of farmlands in the spray cooling process can be effectively reduced, the farmlands are not hard, and the growth of crops is facilitated.
The invention can realize comprehensive humidification and cooling of crops which are harmed by the dry hot air by arranging the upper water spray mechanism, the lower water spray mechanism and the dry ice spray mechanism, and effectively reduce the harm of the dry hot air to the crops.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a humidifying and cooling device according to the present invention;
FIG. 2 is a schematic diagram of the structure of the mobile cart of the present invention;
FIG. 3 is another schematic structural view of the mobile cart of the present invention;
FIG. 4 is a schematic view of another embodiment of a humidifying/cooling device of the present invention;
FIG. 5 is a block diagram of the control device of the present invention;
In the figure, 1 is a mobile trolley, 2 is a water supply pump, 3 is a retractable pipe rack, 4 is a retractable pipe motor, 5 is a water pipe, 6 is a conical mist outlet, 7 is a spraying branch pipe, 8 is a triangular crawler wheel, 9 is a supporting rod, 10 is a mist pipe, 11 is a lower space, 12 is a dry ice mist machine, 13 is an upper space, 14 is a control device, 15 is a temperature and humidity sensor, 16 is a driving motor, 17 is an upper spraying pipe, 18 is a lower spraying pipe, 19 is a water inlet pipe, 20 is a first valve, 21 is a three-way joint, 22 is a third valve, 23 is a second valve, 24 is a fourth valve, 25 is a pressurizing pump, 26 is a main driving shaft, 27 is a belt pulley, 28 is a belt, 29 is a crawler wheel driving shaft, 30 is a sprayer, 31 is a solar power generation device, 32 is a water storage tank, 33 is a connecting rod, and 34 is a V-shaped plate.
Detailed Description
The technical solutions in this embodiment will be clearly and completely described below with reference to the drawings in this embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments, not all the embodiments. All other embodiments, based on the embodiments herein, which are within the scope of this protection, would be within the purview of one of ordinary skill in the art without the exercise of inventive faculty.
Example 1
As shown in fig. 1-3 and 5, a humidifying and cooling device for reducing the hazard of dry hot air comprises two water supply devices, a spray cooling device and a control device 14,
The water supply device mainly provides water source and power supply for the humidifying and cooling device and comprises a water supply pump 2, a water pipe 5 and a pipe collecting and releasing mechanism. The water pipe 5 is generally a spring pipe, and the spring pipe is not easy to deform on the pipe winding and unwinding mechanism, so that the water pipe is not greatly influenced. The water delivery pipe 5 is wound on the pipe winding and unwinding mechanism, one end of the water delivery pipe 5 is connected with the water supply pump 2, and the other end of the water delivery pipe 5 is communicated with the water inlet pipe 19 of the spray cooling device through a quick connector.
The pipe winding and unwinding mechanism comprises a pipe winding and unwinding frame 3 and a pipe winding and unwinding motor 4, wherein the pipe winding and unwinding motor 4 is installed together with the pipe winding and unwinding frame 3. The pipe rack 3 is generally provided with a pipe rack for winding and unwinding the water pipe 5. And can also be according to the requirement of power supply. If the power is supplied by a mobile power source, such as a generator or solar power plant 31, these devices can be placed on the mobile trolley 1 without power lines. If the power transmission line is required to provide power for the spray cooling device, the spray cooling device can be arranged; and the two pipe frames are used for winding and unwinding the water conveying pipe 5 and the power transmission line.
The two water supply devices are respectively arranged on the two ridges of the field.
The spray cooling device comprises a mobile trolley 1, a spraying mechanism and a cooling mechanism; the mobile trolley 1 is used for moving in the field; the spraying mechanism and the cooling mechanism are arranged on the mobile trolley 1;
The travelling car 1 comprises a frame, a mounting frame and a triangular crawler wheel 8, four support rods 9 of the frame are respectively connected with the triangular crawler wheel 8, a crawler wheel driving shaft 29 of the triangular crawler wheel 8 arranged in front of the frame is provided with a belt pulley 27, the mounting frame is provided with a main driving shaft 26, the main driving shaft 26 is provided with the belt pulley 27, the main driving shaft 26 is installed with a driving motor 16, and the belt pulleys 27 are connected together through a belt 28.
The supporting rod 9 can be arranged as a lifting rod with a lifting function and used for adjusting the height of the mounting frame, improving the height of the humidifying and cooling device and being suitable for humidifying and cooling operations of different crops.
The installation frame is a lower space 11 and an upper space 13, and the spraying mechanism is arranged in the lower space 11; the cooling device and the control device 14 are arranged in the upper space 13, the upper space 13 is of a box type structure, two box bodies are arranged, and the cooling device and the control device 14 are respectively arranged in the two box bodies. The box body can be provided with a heat radiation hole and other structures for heat radiation of the cooling device and the control device 14.
The spraying mechanism comprises a water inlet pipe 19, the water inlet pipe 19 is divided into a first water inlet pipe and a second water inlet pipe through a three-way joint 21, the second water inlet pipe is communicated with a pressurizing pump 25, an outlet of the pressurizing pump 25 is divided into a first water outlet pipe and a second water outlet pipe through the three-way joint 21, the first water outlet pipe is communicated with an upper spraying pipe 17, and a plurality of spray heads 30 are arranged on the upper spraying pipe 17; the second water outlet pipe is communicated with the lower spray pipe 18, a plurality of spray branch pipes 7 are arranged on the lower spray pipe 18, spray heads 30 are arranged on the spray branch pipes 7, the number of the spray branch pipes 7 can be set according to the needs, two spray branch pipes 7 are arranged in the implementation, and the two spray branch pipes are respectively fixed on the two support rods 9; the first water inlet pipe is communicated with the first water outlet pipe; the first water inlet pipe and the second water inlet pipe are respectively provided with a first valve 20 and a second valve 23, and the first water outlet pipe and the second water outlet pipe are respectively provided with a third valve 22 and a fourth valve 24.
The first valve 20, the second valve 23, the third valve 22 and the fourth valve 24 employ solenoid valves having an automatic control function for realizing automatic control of the settings.
The cooling mechanism comprises a dry ice smoke machine 12 and a smoke pipe 10, wherein an outlet of the dry ice smoke machine 12 is connected with the smoke pipe 10, and a conical mist outlet 6 is formed in an outlet of the smoke pipe 10. The dry ice smoke machine 12 utilizes the principle that a large amount of white smoke is generated when the dry ice smoke machine is heated and gasified at normal temperature, and the temperature of the white smoke is relatively low, so that the effect of reducing the temperature can be achieved.
The control device 14 comprises a programmable singlechip, a temperature and humidity sensor 15 and a display, and the pipe collecting and releasing mechanism, the driving motor 16, the water supply pump 2, the booster pump 25, the first valve 20, the second valve 23, the third valve 22, the fourth valve 24, the temperature and humidity sensor 15, the dry ice smoke machine 12 and the display are respectively connected with the programmable singlechip.
The control device 14 may also be provided with a wireless transmission and reception module for remote control and review of device data.
The temperature and humidity sensor 15 is arranged in front of the mobile trolley 1 and is used for detecting the temperature and humidity of the farmland environment and providing control indexes for the speed of spray cooling. The humiture of farmland environment includes the humiture of farmland air and the humiture of farmland soil, can adopt two humiture touch sensors to survey respectively, also can adopt one, survey farmland soil's humiture earlier, then on fixing travelling car 1 for the survey of farmland air humiture. Of course, an air speed sensor can be further arranged for measuring the air speed of farmland air, and more accurate humidification and cooling control can be performed according to the temperature and humidity of the farmland and the wind intensity, and the temperature and humidity sensor 15 is adopted in the implementation.
The operation process of the invention is as follows:
1. The equipment is connected, a programmable singlechip is started, and according to the data of the temperature and humidity sensor 15, the programmable singlechip is used for setting operation parameters to control the operation of each equipment;
2. under the action of the driving motor 16 and the winding and unwinding pipe motor 4, the mobile trolley 1 drives the spraying device and the cooling device to move in the field, spraying, humidifying and cooling operation is carried out on crops, the humidity of the field is increased, the temperature is reduced, and the harm of dry hot air to the agricultural action is effectively reduced;
3. when the mobile trolley 1 moves from one end to the other end along the ridge, the water pipe 5 is quickly detached, the water pipe 5 at the other end is replaced, the pipe collecting and releasing motor 4 operates, the water pipe 5 in the farmland is collected onto the pipe frame, and the other pipe collecting and releasing mechanism operates; if the electric wires are available, the electric wires are simultaneously wound and wound; repeating the steps to realize the humidification and cooling operation of farmlands;
4. the humidifying and cooling operation is carried out according to the temperature and humidity of farmland air and soil in the following modes:
a: humidification mode:
(1) The air temperature of the farmland is low, the temperature is not required to be reduced, the air humidity of the farmland is low, the humidification operation is required, at the moment, according to the humidity requirement of the farmland, the upper first valve 20 is independently opened, and the humidification operation is performed on the upper parts of crops through the spray heads 30 on the upper spray pipes 17; if the farmland is longer, the water pressure through the water supply pump 2 is insufficient to meet the spraying requirement, the second valve 23, the third valve 22 and the pressurizing pump 25 are opened to spray the water flow after the secondary pressurizing, so that the problem of insufficient water pressure can be effectively solved;
(2) The air temperature of the farmland is low, cooling is not needed, the humidity of the air and the soil of the farmland is low, at the moment, according to the humidity requirement of the farmland, the upper first valve 20 is independently opened, and the upper part of crops is humidified through the spray head 30 on the upper spray pipe 17; the second valve 23, the fourth valve 24 and the pressurizing pump 25 are opened to carry out secondary pressurizing on water flow, then the water flow is sprayed through the lower spray pipe 18 and the spray heads 30 of the spray branch pipes 7, and humidification operation is carried out on the lower parts of crops, so that the problem of low humidity of farmland soil can be effectively solved; if the pressure of the upper spray head 30 is insufficient, the third valve 22 may be opened to perform the upper spraying operation using pressurized water.
B: the temperature reduction mode is as follows:
The air temperature in farmland is high, need the cooling, open dry ice aerosol sprayer 12, blowout low temperature smog, cool down the operation to the farmland, make the part in farmland form low temperature environment, can reduce the influence of high temperature to crops effectively, improve the output of crops.
If the farmland needs humidification and cooling at the same time, the farmland humidification and cooling operation can be completed by adopting the mode combination of A and B according to the temperature and humidity of the farmland air and the soil.
The device provided by the invention has the advantages that the structure is simple, the weight of the mobile trolley 1 is light, the movement is flexible, the humidification and cooling operation of farmlands can be effectively realized, the harm of dry hot air to crops is reduced, and the crop yield is improved.
Example 2
As shown in fig. 1 to 5, this embodiment is substantially the same as embodiment 1 except that: the movable trolley 1 adopts the triangular crawler wheel 8, and the triangular crawler wheel 8 has the advantages of portability, replaceability, high trafficability, high stability, low specific pressure for grounding, high maneuverability and the like, and can effectively solve the problem of uneven farmland, so that the operation process of the equipment is stable. However, some soil piles are also present in the farmland, which results in unstable operation of the plant. The invention is provided with a barrier removing mechanism on the supporting rod 9, the barrier removing mechanism comprises a connecting rod 33 and a V-shaped plate 34 arranged on the connecting rod 33, and the connecting rod 33 is in threaded connection with the supporting rod 9. Therefore, when the farmland is uneven, the V-shaped plate 34 is arranged on the supporting rod 9, so that soil piles in Ping Nongtian can be effectively pushed, and the running stability of equipment can be effectively ensured.
The arrangement of the present invention may also be provided with a solar power generation device 31. In the case of inconvenient power supply, the solar power generation device 31 supplies power to the equipment. The solar power generation device may be disposed on the top of the travelling car 1, or may be disposed on the top of the travelling car 1 as needed, and the solar power generation device 31 may be a device on the market.
For irrigation facilities such as no motor-pumped well in farmland, a mode of providing a water tank 32 on the travelling car 1 for spray cooling can be adopted, and the water supply pump 2 is directly connected with the water tank 32.
Although embodiments of the present invention have been described above, it will be apparent to those skilled in the art that modifications and substitutions can be made without departing from the principles and spirit of the invention.
Claims (1)
1. A humidifying and cooling device for reducing the harm of dry hot air, which is characterized in that: the water supply device comprises a water supply pump, a water delivery pipe and a winding and unwinding pipe mechanism, wherein the water delivery pipe is wound on the winding and unwinding pipe mechanism, one end of the water delivery pipe is connected with the water supply pump, and the other end of the water delivery pipe is communicated with a water inlet pipe of the spray cooling device;
The spray cooling device comprises a moving trolley, a spraying mechanism and a cooling mechanism; the mobile trolley is used for moving in the field; the spraying mechanism and the cooling mechanism are arranged on the movable trolley;
The spraying mechanism comprises a water inlet pipe, the water inlet pipe is divided into a first water inlet pipe and a second water inlet pipe through a three-way joint, the second water inlet pipe is communicated with a pressurizing pump, an outlet of the pressurizing pump is divided into a first water outlet pipe and a second water outlet pipe through a three-way joint, the first water outlet pipe is communicated with an upper spraying pipe, and a plurality of spray heads are arranged on the upper spraying pipe; the second water outlet pipe is communicated with the lower spray pipe, a plurality of spray branch pipes are arranged on the lower spray pipe, and spray heads are arranged on the spray branch pipes; the first water inlet pipe is communicated with the first water outlet pipe; the first water inlet pipe and the second water inlet pipe are respectively provided with a first valve and a second valve, and the first water outlet pipe and the second water outlet pipe are respectively provided with a third valve and a fourth valve;
The control device comprises a programmable singlechip, a temperature and humidity sensor and a display, wherein the retractable tube mechanism, a water supply pump, a booster pump, a first valve, a second valve, a third valve, a fourth valve, the temperature and humidity sensor and the display are respectively connected with the programmable singlechip; the cooling device and the control device are arranged in an upper space, and the upper space is of a box-type structure, the cooling mechanism comprises a dry ice smoke machine and a smoke pipe, an outlet of the dry ice smoke machine is connected with the smoke pipe, and a conical mist outlet is arranged at an outlet of the smoke pipe;
The water supply device comprises a movable trolley and a water supply tank, wherein the water supply tank, a water supply pump, a water pipe and a pipe collecting and releasing mechanism are arranged on the movable trolley; the pipe winding and unwinding mechanism comprises a pipe winding and unwinding frame and a pipe winding and unwinding motor, and the pipe winding and unwinding motor and the pipe winding and unwinding frame are installed together; the solar energy power generation device is also included;
the humidifying and cooling device for reducing the harm of dry hot air is adopted, and comprises the following steps:
S1, connecting the devices, starting a programmable singlechip, setting operation parameters according to data of a temperature and humidity sensor, and controlling the operation of each device;
S2, under the action of the driving motor and the winding and unwinding pipe motor, the moving trolley drives the spraying device and the cooling device to move in the field, spraying, humidifying and cooling operation is carried out on crops, the humidity of the field is increased, the temperature is reduced, and the harm of dry hot air to the agricultural effect is effectively reduced;
S3, when the mobile trolley moves from one end to the other end along the ridge, the water pipe is quickly detached, the water pipe at the other end is replaced, the pipe collecting and releasing motor operates, the water pipe in the farmland is collected onto the pipe frame, and the other pipe collecting and releasing mechanism operates; if the electric wires are available, the electric wires are simultaneously wound and wound; repeating the steps to realize the humidification and cooling operation of farmlands;
s4, humidifying and cooling operations are carried out according to the temperature and humidity of farmland air and soil in the following modes:
a: humidification mode:
(1) The air temperature of the farmland is low, cooling is not needed, the air humidity of the farmland is low, humidification operation is needed, at the moment, according to the humidity requirement of the farmland, the upper first valve is independently opened, and the upper part of crops is humidified through a spray head on the upper spray pipe; if the farmland is longer, the water pressure through the water supply pump is insufficient to meet the spraying requirement, the second valve, the third valve and the booster pump are opened to spray water flow after the water flow is pressurized for the second time, so that the problem of insufficient water pressure is effectively solved;
(2) The air temperature of the farmland is low, cooling is not needed, the humidity of the air and the soil of the farmland is low, at the moment, according to the humidity requirement of the farmland, the upper first valve is independently opened, and the upper part of crops is humidified through the spray head on the upper spray pipe; the second valve, the fourth valve and the booster pump are opened to carry out secondary pressurization on water flow, then spray is carried out through the spray heads of the lower spray pipe and the spray branch pipe, humidification operation is carried out on the lower part of crops, and the problem of low humidity of farmland soil is effectively solved; if the pressure of the upper spray head is insufficient, a third valve is opened, and pressurized water is adopted to perform upper-layer spraying operation;
B: the temperature reduction mode is as follows:
the air temperature of the farmland is high, the dry ice smoke machine is started to spray low-temperature smoke, the farmland is cooled, the local part of the farmland forms a low-temperature environment, the influence of high temperature on crops is effectively reduced, and the yield of the crops is improved;
If the farmland needs humidification and cooling at the same time, the farmland humidification and cooling operation can be completed by adopting the mode combination of A and B according to the temperature and humidity of the farmland air and the soil.
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