CN212937025U - Southern fruit tree cultivation equipment - Google Patents
Southern fruit tree cultivation equipment Download PDFInfo
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- CN212937025U CN212937025U CN202020925134.5U CN202020925134U CN212937025U CN 212937025 U CN212937025 U CN 212937025U CN 202020925134 U CN202020925134 U CN 202020925134U CN 212937025 U CN212937025 U CN 212937025U
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- span greenhouse
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
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Abstract
The utility model discloses a southern fruit tree cultivation device, which comprises a multi-span greenhouse, wherein a top heat preservation unit is arranged at the top of the multi-span greenhouse, and side heat preservation units are arranged around the multi-span greenhouse; and the top and the periphery of the multi-span greenhouse are provided with ventilation units; the multi-span greenhouse is also connected with a cooling unit for cooling the interior of the greenhouse so as to provide cooling capacity required by fruit trees. After the fruit trees fall leaves, ventilating the top and the periphery of the multi-span greenhouse at low temperature at night, completely closing the ventilation openings in the daytime and fully covering the top heat preservation unit and the side heat preservation unit, repeatedly operating for a period of time to rapidly reduce the temperature of soil in the greenhouse, sealing the ventilation openings in the multi-span greenhouse throughout the day and fully covering the top heat preservation unit and the side heat preservation unit, and reducing the temperature in the multi-span greenhouse to 3-7 ℃ by adopting a heat pump unit to ensure that the accumulated low temperature reaches the cold demand; therefore, the equipment is used for carrying out fruit tree cultivation of stone fruits such as cherries, plums, apricots, winter jujubes and the like in the north in the south, so that the fruit trees in the north can normally sprout, bloom and produce fruits in the south.
Description
Technical Field
The utility model belongs to the technical field of crop cultivation, a southern fruit cultivation equipment is related to.
Background
When the low-temperature demand of fruit trees cultivated in a greenhouse in a winter climate does not meet the growth requirement of the fruit trees, the fruit trees can germinate and grow even if the temperature is raised in advance, but the germination rate is low, the days from the temperature rise to the flowering are more, the germination and the flowering are irregular, the fruit setting rate is low, and even the phenomenon of outcrop and outharvest occurs.
The cold requirement of the fruit tree generally refers to the low-temperature requirement of the fruit tree in the dormancy stage, and is usually expressed by the low-temperature accumulation at 0-7.2 ℃ in hours. The tree species and the variety are different, and the cold requirement is different. According to the research in the industry, the cold requirement of grapes is 1000-1500 hours, the cold requirement of peaches is 600-1000 hours, and the cold requirement of apricots is 600-800 hours. According to meteorological data analysis, in normal years, the low temperature in the south can not meet the requirements of the dormant period of the grapes in winter, and the germination, the flower amount and the yield can be seriously influenced if the temperature is lower than 7.2 ℃ in warm winter.
Northern fruit trees are planted in the south, and germination, flower quantity and yield are seriously influenced because cold quantity is not enough. Traditional plant dormancy terminating agent (dormancy breaking agent) and lime nitrogen treatment are used for breaking dormancy, low-temperature biological effects can be replaced, however, the effects are often not obvious and unstable, the concentration control is not good, and the pesticide is toxic, can cause residues and harm to operators, large-scale production is difficult to realize, and popularization and application of the technology for introducing the fruit trees to the south in the north are seriously influenced. The transportation cost of northern fruit trees is greatly increased after the northern fruit trees are ripe, so that northern fruit trees are generally ripe by six to seven and supplied to the market, and most northern fruits cannot feel the fruit flavor of the original production area after being transported to the south.
Therefore, the technical personnel in the field need to provide a southern fruit cultivation device which can meet the requirement of the fruit trees on refrigeration capacity and is beneficial to the cultivation of the northern fruit trees in the southern area for producing fruits.
Disclosure of Invention
In order to overcome the technical defect, the utility model aims at providing a can satisfy the fruit tree and need cold volume, do benefit to the southern fruit cultivation equipment that the fruit tree in the north cultivated in the south fruit of producing fruit.
The utility model discloses a southern fruit tree cultivation equipment, the technical scheme who adopts as follows:
the southern fruit tree cultivation equipment comprises a multi-span greenhouse, wherein a top heat preservation unit is arranged at the top of the multi-span greenhouse, and side heat preservation units are arranged around the multi-span greenhouse; and the top and the periphery of the multi-span greenhouse are provided with ventilation units; the multi-span greenhouse is also connected with a cooling unit for cooling the interior of the greenhouse to provide cooling capacity required by fruit trees.
Preferably, the cooling unit comprises a heat pump unit, the heat pump unit is provided with a cold water outlet and a hot water inlet, and a fan coil is arranged in the multi-span greenhouse;
the cold water outlet is communicated with the fan coil through a water supply pipe and is used for introducing cooling water into the fan coil and cooling air to blow cooling air out; the fan coil is also connected to a hot water inlet through a water return pipe and used for circularly conveying hot water subjected to heat exchange to the heat pump unit to form a circulating refrigeration pipeline, so that the temperature reduction in the shed is realized.
Furthermore, the fan coil units can be arranged in the multi-span greenhouse, the water inlet end of any fan coil unit is connected to the water supply pipe through a branch pipeline and communicated with the cold water outlet of the air source heat pump unit, and the water outlet end of any fan coil unit is connected to the water return pipe through a branch pipeline and communicated with the hot water inlet of the air source heat pump unit, so that any fan coil unit and the heat pump unit form a circulating refrigeration loop.
Further, the air source heat pump unit controls the temperature of cold water at a cold water outlet to be 3-7 ℃.
Preferably, the top heat preservation unit and the side heat preservation unit both adopt heat preservation and insulation materials.
Preferably, the top heat preservation unit and the side heat preservation unit both adopt heat preservation curtains or plastic films.
Preferably, the ventilation device comprises ventilation openings arranged at the top and the periphery of the multi-span greenhouse, and the ventilation openings realize ventilation or sealing through the covering film.
Preferably, the cultivation device further comprises a temperature and humidity sensor arranged in the multi-span greenhouse.
Preferably, the cultivation apparatus further comprises a humidity regulator provided in the multi-span greenhouse.
Preferably, this cultivation equipment still includes the PLC switch board, heat pump set, humidity controller, temperature and humidity sensor all are connected with the PLC switch board electricity.
The utility model discloses can bring following beneficial effect:
1) the utility model discloses a cultivation equipment has all set up heat preservation unit and ventilation unit at a lian dong big-arch shelter top and all around to set up the cooling unit, after the fruit tree fallen leaves, will be a lian dong big-arch shelter top and all around ventilate when low temperature night, all closed vent during daytime high temperature, especially full coverage top heat preservation curtain and side heat preservation unit, after repeated operation a period of time in order to fully reduce soil heat accumulation in the canopy, to a lian big-arch shelter airtight vent all day long, and full coverage top heat preservation and side heat preservation unit, adopt heat pump set make a lian big-arch shelter in cool down to 3-7 ℃, make the accumulated low temperature reach and need cold volume; therefore, the equipment can be used for carrying out fruit tree cultivation of stone fruits such as cherries, plums, apricots, winter jujubes and the like in the north in the south, so that the fruit trees in the north can normally sprout, bloom and produce fruits in the south.
2) The utility model discloses a heat pump set and delivery pipe, wet return, the fan coil pipe that adopt form the circulation circuit cooperation in the cooling unit, single air source heat pump set can be in many supporting delivery pipes of interval, wet return and fan coil pipe in linking a big-arch shelter, form a plurality of refrigeration cycle return circuits to can even spaced fan coil pipe who goes out the cold wind cooling in linking a big-arch shelter, guarantee the homogeneity of linking a big-arch shelter interior whole cooling.
Drawings
FIG. 1 is a schematic structural view of the southern fruit tree cultivation apparatus of the present invention.
The notations in the figures have the following meanings:
1-a top heat preservation unit; 2-side heat preservation unit;
3-cooling unit, 30-heat pump unit, 31-water supply pipe, 32-fan coil and 33-water return pipe.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product.
According to an embodiment provided by the utility model, as shown in fig. 1, the southern fruit cultivation equipment comprises a multi-span greenhouse, wherein a top heat preservation unit 1 is arranged at the top of the multi-span greenhouse, and side heat preservation units 2 are arranged around the multi-span greenhouse; and the top and the periphery of the multi-span greenhouse are provided with ventilation units; the multi-span greenhouse is also connected with a cooling unit 3 for cooling the interior of the multi-span greenhouse and providing cooling capacity required by fruit trees.
In this embodiment, after the fruit tree leaves, the top and the periphery of the multi-span greenhouse are ventilated at low temperature at night, the ventilation units are completely sealed at high temperature in the daytime, particularly, the top heat preservation unit 1 and the side heat preservation unit 2 are fully covered, after the operation is repeatedly performed for a period of time to fully reduce the heat storage of the soil in the greenhouse, the ventilation openings are sealed in the multi-span greenhouse all day long, the top and the periphery of the multi-span greenhouse are respectively and fully covered by the top heat preservation unit and the side heat preservation unit, and the low-temperature accumulated in the multi-span greenhouse after the temperature is reduced to a certain temperature through the temperature reduction unit reaches the cooling demand.
As a preferred embodiment, the cooling unit 3 includes a heat pump unit 30, the air source heat pump unit 30 is provided with a cold water outlet and a hot water inlet, and a fan coil 32 is arranged in the multi-span greenhouse;
the cold water outlet is communicated with the fan coil 32 through a water supply pipe 31 and is used for introducing cooling water into the fan coil 32 and cooling air to blow cooling air out; the fan coil 32 is also connected to a hot water inlet through a water return pipe 33, and is used for circularly sending the hot water subjected to heat exchange to the heat pump unit 30 to form a circulating refrigeration loop, so that the temperature reduction in the multi-span greenhouse is realized.
In this embodiment, a large amount of low-temperature cooling water is produced through the refrigeration mode of the heat pump unit 30, flows out from the cold water outlet, and becomes hot water after heat exchange through the fan coil 32 and then circulates and flows back to the air source heat pump unit from the water return pipe 33 to be refrigerated. Wherein, the refrigeration principle of heat pump set 30 is: the refrigerant medium adopts Freon R410A, the compressor compresses gaseous Freon into high-temperature high-pressure liquid Freon, and send to the condenser in the unit, the liquid Freon enters the evaporator wound outside the water tank through the very thin copper tube, evaporate into gas immediately, absorb heat at the same time, make the temperature in evaporator fin and water tank reduce, get the cold water of low temperature; then the gaseous freon returns to the compressor to continue to compress, and the circulation is continued to refrigerate.
Preferably, the number of the fan coil units 32 can be multiple in the multi-span greenhouse, a water inlet end of any fan coil unit 32 is connected to the water supply pipe 31 through a branch pipeline and is communicated with a cold water outlet of the heat pump unit 30, a water outlet end of any fan coil unit 32 is connected to the water return pipe 33 through a branch pipeline and is communicated with a hot water inlet of the heat pump unit 30, and any fan coil unit 32 and the heat pump unit 30 form a circulation loop.
Therefore, a single heat pump unit 30 can be matched with a plurality of water supply pipes 31, water return pipes 33 and fan coil pipes 32 at intervals in the multi-span greenhouse to form a plurality of refrigeration circulation loops, and the refrigeration circulation loops are matched according to the refrigeration capacity of the heat pump unit 30 and the cooling capacity of the fan coil pipes 32.
More preferably, the heat pump unit 30 controls the temperature of cold water at the cold water outlet to be 3-7 ℃ so as to provide cold energy required by the planting of fruit trees in the north in the south.
In another preferred embodiment, the top heat preservation unit 1 and the side heat preservation unit 2 both use heat preservation and insulation materials. In practical application, the heat insulating material may be mixed fiber cotton, sprayed cotton, etc. In the application form, a heat preservation curtain or a plastic film made of heat preservation and insulation materials can be covered on the top or the periphery of the multi-span greenhouse for sealing and heat preservation.
As another preferred embodiment, the ventilation device comprises ventilation openings arranged at the top and the periphery of the multi-span greenhouse, and the ventilation openings realize ventilation or sealing through the covering film. Thereby facilitating the ventilation or the sealing and the heat preservation of the top and the periphery of the multi-span greenhouse.
As another preferred embodiment, the cultivation apparatus further comprises a temperature and humidity sensor disposed in the multi-span greenhouse.
Therefore, the temperature and humidity environment in the multi-span greenhouse can be monitored, the temperature of cooling water is adjusted through the air source heat pump unit 30, the air outlet temperature of the fan coil 32 is adjusted, and the adjustment of the environment temperature in the multi-span greenhouse is achieved.
Preferably, the cultivation device further comprises a humidity regulator arranged in the multi-span greenhouse.
Therefore, the humidity environment in the multi-span greenhouse is adjusted according to the monitored humidity condition; the type of the humidity controller may be MFR 012.
In order to further provide the accuracy and timeliness of temperature and humidity regulation, the cultivation equipment further comprises a PLC control cabinet, and the air source heat pump unit 30, the humidity regulator and the temperature and humidity sensor are all electrically connected with the PLC control cabinet.
Therefore, the PLC control cabinet can conveniently regulate and control the heat pump unit 30 and the humidity regulator in real time according to the monitored temperature and humidity conditions, and the temperature and the humidity in the multi-span greenhouse are respectively regulated to provide proper cold demand. The model of the PLC control cabinet can be called S7-200.
According to the utility model provides an application example, after the fruit tree fallen leaves, will link a big-arch shelter top and open the vent all around and ventilate night during low temperature, all closed vent (can open the vent at top during high temperature) and full coverage top insulation unit 1 and side insulation unit 2 (like top insulation curtain and side insulation curtain) daytime, after the operation period of repetition is in order to fully reduce the soil heat accumulation in linking the big-arch shelter rapidly, also after reducing the soil temperature in linking the big-arch shelter, all day is to linking the airtight vent of big-arch shelter, and full coverage top insulation unit 1 and side insulation unit 2, adopt air source heat pump set to make and link the interior cooling of big-arch shelter to 3-7 ℃, make the low temperature of accumulation reach and need cold volume, link a big internal temperature and humidity through temperature and humidity transducer and monitor, when exceeding certain limit, through heat pump set 30, The humidity regulator regulates the temperature and the humidity so as to control the temperature and the humidity in the multi-span greenhouse to be proper; the method can be used for cultivating stone fruit trees such as cherries, plums, apricots, winter jujubes and the like in the north, can normally sprout, bloom and produce fruits, and has excellent cultivation effect in the south.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a southern fruit tree cultivation equipment which characterized in that:
the multi-span greenhouse comprises a multi-span greenhouse, wherein a top heat preservation unit is arranged at the top of the multi-span greenhouse, and side heat preservation units are arranged around the multi-span greenhouse; and the top and the periphery of the multi-span greenhouse are provided with ventilation units; the multi-span greenhouse is provided with a cooling unit for cooling the interior of the greenhouse to achieve the cooling capacity required by the fruit trees;
the cooling unit comprises a heat pump unit, the heat pump unit is provided with a cold water outlet and a hot water inlet, and a fan coil is arranged in the multi-span greenhouse;
the cold water outlet is communicated with the fan coil through a water supply pipe and is used for introducing cooling water into the fan coil and cooling the air to blow out cooling air, the fan coil is further connected to the hot water inlet through a water return pipe and is used for circularly conveying hot water subjected to heat exchange to the air source heat pump unit so as to form a circulating refrigeration pipeline and realize cooling in the shed.
2. The southern fruit tree cultivation apparatus of claim 1, wherein:
the fan coil pipes are arranged in the multi-span greenhouse, the water inlet end of any fan coil pipe is connected to the water supply pipe through a branch pipeline and communicated with the cold water outlet of the heat pump unit, and the water outlet end of any fan coil pipe is connected to the water return pipe through a branch pipeline and communicated with the hot water inlet of the heat pump unit, so that any fan coil pipe and the heat pump unit form a circulating refrigeration loop.
3. The southern fruit tree cultivation apparatus of claim 1, wherein:
the heat pump unit controls the temperature of cold water at a cold water outlet to be 3-7 ℃.
4. The southern fruit tree cultivation apparatus of claim 1, wherein:
and the top heat-preservation unit and the side heat-preservation unit both adopt heat-preservation and heat-insulation materials.
5. The southern fruit tree cultivation apparatus of claim 1, wherein:
and the top heat-preservation unit and the side heat-preservation unit both adopt heat-preservation curtains or plastic films.
6. The southern fruit tree cultivation apparatus of claim 1, wherein:
the ventilation unit comprises ventilation openings arranged at the top and the periphery of the multi-span greenhouse, and the ventilation openings realize ventilation or sealing through the covering film.
7. The southern fruit tree cultivation apparatus of claim 1, wherein:
the cultivation equipment also comprises a temperature and humidity sensor arranged in the multi-span greenhouse.
8. The southern fruit tree cultivation apparatus of claim 1, wherein:
the cultivation device also comprises a humidity regulator arranged in the multi-span greenhouse.
9. The southern fruit tree cultivation apparatus of claim 1, wherein:
the cultivation equipment further comprises a PLC control cabinet, and the heat pump unit, the humidity regulator and the temperature and humidity sensor are all electrically connected with the PLC control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020925134.5U CN212937025U (en) | 2020-05-26 | 2020-05-26 | Southern fruit tree cultivation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020925134.5U CN212937025U (en) | 2020-05-26 | 2020-05-26 | Southern fruit tree cultivation equipment |
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| Publication Number | Publication Date |
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| CN212937025U true CN212937025U (en) | 2021-04-13 |
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| CN202020925134.5U Active CN212937025U (en) | 2020-05-26 | 2020-05-26 | Southern fruit tree cultivation equipment |
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| CN (1) | CN212937025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114158392A (en) * | 2021-10-29 | 2022-03-11 | 信发集团农业有限公司 | Low-energy-consumption crop greenhouse based on solar photovoltaic power generation |
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2020
- 2020-05-26 CN CN202020925134.5U patent/CN212937025U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114158392A (en) * | 2021-10-29 | 2022-03-11 | 信发集团农业有限公司 | Low-energy-consumption crop greenhouse based on solar photovoltaic power generation |
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