CN113099907B - Greenhouse humidity fixed-point control system - Google Patents
Greenhouse humidity fixed-point control system Download PDFInfo
- Publication number
- CN113099907B CN113099907B CN202110369646.7A CN202110369646A CN113099907B CN 113099907 B CN113099907 B CN 113099907B CN 202110369646 A CN202110369646 A CN 202110369646A CN 113099907 B CN113099907 B CN 113099907B
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- China
- Prior art keywords
- air
- greenhouse
- partition plate
- control valve
- humidity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005192 partition Methods 0.000 claims abstract description 34
- 239000000758 substrate Substances 0.000 claims abstract description 21
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 14
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 7
- 239000001569 carbon dioxide Substances 0.000 claims description 7
- 230000012010 growth Effects 0.000 abstract description 5
- 210000000621 bronchi Anatomy 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 18
- 239000011159 matrix material Substances 0.000 description 6
- 238000007791 dehumidification Methods 0.000 description 4
- 230000005068 transpiration Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000029553 photosynthesis Effects 0.000 description 2
- 238000010672 photosynthesis Methods 0.000 description 2
- 230000008635 plant growth Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem 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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
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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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/241—Arrangement of opening or closing systems for windows and ventilation panels
-
- 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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/246—Air-conditioning systems
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Greenhouses (AREA)
Abstract
The invention discloses a greenhouse humidity fixed-point control system, which comprises: the greenhouse comprises a greenhouse substrate, a controller, a humidifier, a fan, an air distribution pipe, a horizontal partition plate and a vertical partition plate, wherein a certain gap is reserved between the horizontal partition plate and the bottom of the greenhouse substrate to form an exhaust chamber, the vertical partition plate is arranged in the exhaust chamber and divides the interior of the vertical partition plate into a first exhaust channel and a second exhaust channel which are positioned on two sides of the vertical partition plate, an air inlet communicated with the first exhaust channel is arranged on the horizontal partition plate at intervals, a first air control valve is respectively arranged at the air inlet, an air exhaust valve communicated with the second exhaust channel is arranged on the outer side of the greenhouse substrate, an air inlet pipeline is arranged between the second exhaust channel and the air inlet end of the humidifier, and the air distribution pipe is arranged at the bottom of the bronchus. Through the mode, the greenhouse humidity fixed-point control system realizes fixed-point control of humidity, meets the growth needs of plants which are partially loved to be moist, and is flexible to control.
Description
Technical Field
The invention relates to the technical field of greenhouses, in particular to a greenhouse humidity fixed-point control system.
Background
The greenhouse has the characteristics of cold prevention, heating and light transmission, can be used for planting related plants in seasons or regions unsuitable for plant growth or increasing yield, and is generally used for planting plants like warm-loving vegetables, flowers, trees and the like in low-temperature seasons.
Plants generally utilize transpiration to absorb moisture while transporting minerals. The humidity in the greenhouse can influence the growth of plants, if the air humidity is high, the transpiration of plant leaves can be influenced, the transpiration is weakened, the capability of the plants for absorbing and converting nutrition is reduced, even the phenomenon of leaf surface burn occurs, and the photosynthesis of the plants can be influenced; if the air humidity is low, the air is too dry, plants grow poorly, flowering and fruiting are affected, and some flowers which are moist tend to have pale yellow leaves and even dry leaf edges.
The existing greenhouse usually adopts ventilation to carry out integral dehumidification, but cannot carry out fixed-point control of humidity, especially for some large greenhouses, flowers and plants planted in the greenhouse and trees are numerous, and different flowers and plants and trees have different requirements on air humidity, and the integral ventilation mode is obviously unfavorable for growth of all plants, has poor pertinence and needs improvement.
Disclosure of Invention
The invention mainly solves the technical problem of providing a greenhouse humidity fixed-point control system for carrying out fixed-point control on humidity in a greenhouse and meeting the requirements of different plants on humidity.
In order to solve the technical problems, the invention adopts a technical scheme that: provided is a greenhouse humidity fixed-point control system, comprising: the greenhouse comprises a greenhouse substrate, a controller, a humidifier, a fan, an air distribution pipe, a horizontal partition plate and a vertical partition plate, wherein the horizontal partition plate is arranged at the lower part of the greenhouse substrate, a certain gap is reserved between the horizontal partition plate and the bottom of the greenhouse substrate to form an exhaust chamber, the vertical partition plate is arranged in the exhaust chamber to divide the inner part of the vertical partition plate into a first exhaust channel and a second exhaust channel which are positioned at two sides of the vertical partition plate, an air inlet which is communicated with the first exhaust channel is formed in the horizontal partition plate at intervals, a first air control valve is arranged at the air inlet respectively, the fan is arranged on the vertical partition plate to feed air in the first exhaust channel into the second exhaust channel, an air inlet pipeline which is communicated with the second exhaust channel is arranged at the outer side of the greenhouse substrate, an air inlet pipeline is arranged between the second exhaust channel and the air inlet end of the humidifier, an air inlet valve is arranged at one side of the greenhouse substrate, an air outlet end of the humidifier is provided with an air outlet pipeline which is extended to the upper part of the greenhouse substrate, a main air pipe which is communicated with the air outlet pipeline and extends along the length direction of the greenhouse substrate is arranged at intervals, a first air control pipe which is arranged at intervals on the main air pipe which is arranged at intervals and corresponds to the first air control valve, the first air control valve and the second air control valve are arranged at the bottom of the greenhouse substrate, the first air control valve and the first air control valve are connected with the first air control valve, the first air control valve and the second air control valve, the first air control valve and the air control valve are arranged at the air control valve.
In a preferred embodiment of the invention, a commodity shelf above the air inlet is arranged in the greenhouse base body, a planting basin is arranged on the commodity shelf, and a first humidity sensor which is in linear connection with the controller is arranged on the commodity shelf.
In a preferred embodiment of the invention, a carbon dioxide sensor is arranged in the greenhouse base body and is connected with the controller linearly.
In a preferred embodiment of the present invention, a third air control valve is disposed on the air intake pipe.
In a preferred embodiment of the present invention, the air distribution pipe is provided with air exhaust holes at intervals.
In a preferred embodiment of the invention, a second humidity sensor is arranged outside the greenhouse base body and is in linear connection with the controller.
In a preferred embodiment of the present invention, a third humidity sensor is disposed in the second exhaust passage and is linearly connected to the controller.
In a preferred embodiment of the present invention, the controller employs a single-chip microcomputer.
The beneficial effects of the invention are as follows: the greenhouse humidity fixed-point control system can ventilate, realize the dehumidification of a greenhouse substrate, reduce the humidity in the greenhouse substrate to a proper level, increase the humidity locally through the air distribution pipe, or open a corresponding first air control valve, strengthen the local dehumidification, realize the fixed-point control of the humidity, meet the growth needs of plants which are partially loved to be moist, and have flexible control.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic view showing the structure of a system for controlling humidity in a greenhouse according to a preferred embodiment of the present invention.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, an embodiment of the present invention includes:
a greenhouse humidity setpoint control system as shown in fig. 1, comprising: the greenhouse comprises a greenhouse base body 8, a controller 9, a humidifier 7, a fan 14, a gas distribution pipe 6, a horizontal partition plate 16 and a vertical partition plate 13, wherein the horizontal partition plate 16 is arranged at the lower part of the greenhouse base body 8, a certain gap is reserved between the horizontal partition plate 16 and the bottom of the greenhouse base body 8 to form an exhaust chamber, the vertical partition plate 13 is arranged in the exhaust chamber to divide the interior of the vertical partition plate into a first exhaust channel 15 and a second exhaust channel 12 which are positioned at two sides of the vertical partition plate 13, the fan 14 is arranged on the vertical partition plate 13 to send air flow in the first exhaust channel 15 into the second exhaust channel 12, and negative pressure is formed in the first exhaust channel 15.
The horizontal partition plate 16 is provided with air inlets 18 communicated with the first air exhaust channels 15 at intervals, the greenhouse base body 8 is provided with storage racks 20 positioned above the air inlets 18, and each storage rack 20 corresponds to at least one air inlet 18. The planting pot is arranged on the commodity shelf 20, a first humidity sensor 19 which is linearly connected with the controller 9 is arranged on the commodity shelf 20, and air humidity detection near the commodity shelf 20 is carried out through the first humidity sensor 19.
The air inlets 18 are respectively provided with a first air control valve 17, and the air near the storage rack 20 corresponding to the air inlets 18 can be sucked into the first air exhaust channel 15 to perform fixed-point dehumidification by opening the first air control valve 17. An air inlet valve 3 is arranged at the upper part of one side of the greenhouse base body 1, and the air inlet valve 3 is opened to guide external air into the greenhouse base body 1 for air supplement.
The outside of the greenhouse base body 8 is provided with an exhaust valve 11 communicated with the second exhaust channel 12, and the air in the second exhaust channel 12 can be directly exhausted outdoors by opening the exhaust valve 11. In addition, in the present embodiment, the second exhaust duct 12 is provided with a third humidity sensor 22 that is linearly connected to the controller 9, so as to monitor the humidity of the air in the second exhaust duct 12, thereby facilitating the secondary use of the moisture. An air inlet pipeline 10 is arranged between the second air exhaust channel 12 and the air inlet end of the humidifier 7, so that air in the second air exhaust channel 12 can be guided into the humidifier 7 for secondary utilization, and the workload of the humidifier 7 is reduced.
As shown in fig. 1, the air outlet end of the humidifier 7 is provided with an air exhaust pipeline 5 extending to the indoor upper portion of the greenhouse matrix 8, 2 main air pipes 2 communicated with the air exhaust pipeline and extending along the length direction of the greenhouse matrix 8 are arranged on the upper portion of the greenhouse matrix 8, branch air pipes 1 which are directed downwards and are in one-to-one correspondence with the air inlets 18 are arranged on the main air pipes 2 at intervals, the air distribution pipe 6 is horizontally arranged at the bottom of the branch air pipes 1, the branch air pipes 1 are provided with a second air control valve 4, the second air control valve 4 is opened, moisture enters the air distribution pipe 6, in the embodiment, exhaust holes are arranged on the air distribution pipe 6 at intervals, and the moisture is blown downwards to the planting pot through the exhaust holes, so that the requirement of plants in the planting pot on high air humidity is met.
In addition, a third air control valve is arranged on the air inlet pipeline 10, the controller 9 is connected with the third air control valve to control, and when the air exhaust valve 11 is opened, air in the second air exhaust channel 12 can be directly exhausted to the outside, and at the moment, the third air control valve is closed. When the humidifier 7 works, the third air control valve is opened, and the air exhaust valve 11 can be closed at the same time. In this embodiment, the controller 9 adopts a single-chip microcomputer, and the controller 9 is respectively connected with the first air control valve 17, the second air control valve 4, the air exhaust valve 11, the air inlet valve 3, the fan 14 and the humidifier 7 to control, and performs automatic operation according to the fixed-point humidity setting requirement, so as to improve the automation level.
In this embodiment, the second humidity sensor 21 linearly connected to the controller 9 is disposed on the outer side of the greenhouse base 8, so that the humidity of the outside air can be detected, and when the humidity of the outside air is higher than that in the second exhaust duct 12, the humidity can be provided by using the outside air.
In addition, a carbon dioxide sensor which is linearly connected with the controller 9 is arranged in the greenhouse matrix 8, so that the carbon dioxide content in the greenhouse matrix 8 is detected, when the carbon dioxide content in the greenhouse matrix 8 is low in daytime, the exhaust valve 11, the air inlet valve 3 and the fan 14 are simultaneously opened, forced ventilation is performed, carbon dioxide is introduced, the photosynthesis requirement of plants is met, and after the carbon dioxide content meets the requirement, the humidity fixed-point control mode is shifted.
Aiming at the commodity shelf 20 of partial high-humidity plants, the corresponding first air control valve 17 and the second air control valve 4 can be opened simultaneously, the convection of moisture is formed on the upper part and the lower part of the commodity shelf 20, the high-humidity environment is built at fixed points, the influence on the plants on other commodity shelves 20 is reduced, and the growth needs of various plants are met.
In conclusion, the greenhouse humidity fixed-point control system realizes fixed-point control of the humidity in the greenhouse, has high automation degree and meets the growth needs of different plants.
The foregoing is only illustrative of the present invention and is not to be construed as limiting the scope of the invention, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present invention or by other related art, either directly or indirectly, are intended to be included within the scope of the invention.
Claims (8)
1. A greenhouse humidity setpoint control system, comprising: the greenhouse comprises a greenhouse substrate, a controller, a humidifier, a fan, an air distribution pipe, a horizontal partition plate and a vertical partition plate, wherein the horizontal partition plate is arranged at the lower part of the greenhouse substrate, a certain gap is reserved between the horizontal partition plate and the bottom of the greenhouse substrate to form an exhaust chamber, the vertical partition plate is arranged in the exhaust chamber to divide the inner part of the vertical partition plate into a first exhaust channel and a second exhaust channel which are positioned at two sides of the vertical partition plate, an air inlet which is communicated with the first exhaust channel is formed in the horizontal partition plate at intervals, a first air control valve is arranged at the air inlet respectively, the fan is arranged on the vertical partition plate to feed air in the first exhaust channel into the second exhaust channel, an air inlet pipeline which is communicated with the second exhaust channel is arranged at the outer side of the greenhouse substrate, an air inlet pipeline is arranged between the second exhaust channel and the air inlet end of the humidifier, an air inlet valve is arranged at one side of the greenhouse substrate, an air outlet end of the humidifier is provided with an air outlet pipeline which is extended to the upper part of the greenhouse substrate, a main air pipe which is communicated with the air outlet pipeline and extends along the length direction of the greenhouse substrate is arranged at intervals, a first air control pipe which is arranged at intervals on the main air pipe which is arranged at intervals and corresponds to the first air control valve, the first air control valve and the second air control valve are arranged at the bottom of the greenhouse substrate, the first air control valve and the first air control valve are connected with the first air control valve, the first air control valve and the second air control valve, the first air control valve and the air control valve are arranged at the air control valve.
2. The greenhouse humidity fixed point control system according to claim 1, wherein a commodity shelf positioned above the air inlet is arranged in the greenhouse base body, a planting pot is arranged on the commodity shelf, and a first humidity sensor which is linearly connected with the controller is arranged on the commodity shelf.
3. The greenhouse humidity fixed point control system according to claim 1, wherein a third air control valve is provided on the air intake duct.
4. The greenhouse humidity fixed point control system according to claim 1, wherein the air distribution pipes are provided with air exhaust holes at intervals.
5. The greenhouse humidity fixed point control system of claim 1, wherein a second humidity sensor is provided outside the greenhouse base body in linear connection with the controller.
6. The greenhouse humidity fixed point control system according to claim 1, wherein a third humidity sensor is provided in the second exhaust passage in linear connection with the controller.
7. The greenhouse humidity fixed point control system of claim 1, wherein the controller employs a single chip microcomputer.
8. The greenhouse humidity fixed point control system of claim 1, wherein a carbon dioxide sensor is disposed within the greenhouse base in linear connection with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110369646.7A CN113099907B (en) | 2021-04-07 | 2021-04-07 | Greenhouse humidity fixed-point control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110369646.7A CN113099907B (en) | 2021-04-07 | 2021-04-07 | Greenhouse humidity fixed-point control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113099907A CN113099907A (en) | 2021-07-13 |
| CN113099907B true CN113099907B (en) | 2024-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110369646.7A Active CN113099907B (en) | 2021-04-07 | 2021-04-07 | Greenhouse humidity fixed-point control system |
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| Country | Link |
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| CN (1) | CN113099907B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214709089U (en) * | 2021-04-07 | 2021-11-16 | 常熟市佳盛农业科技发展有限公司 | Greenhouse humidity fixed-point control system |
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| CN101627707B (en) * | 2009-08-21 | 2012-04-18 | 北京盛阳谷科技有限公司 | Environmental-control type closed greenhouse |
| CN102318523A (en) * | 2011-05-30 | 2012-01-18 | 中国扬子集团滁州扬子空调器有限公司 | Air conditioner air supply and air return system for plant factory |
| NL2011966C2 (en) * | 2013-12-16 | 2015-06-17 | Maurice Kassenbouw B V | WAREHOUSE AND METHOD FOR CLIMATE CONTROL IN A WAREHOUSE. |
| CN105393843A (en) * | 2015-10-30 | 2016-03-16 | 鑫晟(长泰)温室科技有限公司 | Automatic intelligent greenhouse |
| CN105425879A (en) * | 2015-12-01 | 2016-03-23 | 孝感锐泰照明电器有限公司 | Greenhouse environment controller |
| CN205511189U (en) * | 2016-03-23 | 2016-08-31 | 厦门市天草农业科技有限公司 | Big -arch shelter is planted to gold thread lotus |
| CN110050615A (en) * | 2018-01-18 | 2019-07-26 | 张放 | A kind of novel agricultural greenhouse plantation water saving irrigation system |
| CN208724513U (en) * | 2018-09-17 | 2019-04-12 | 成都市农林科学院 | Plant factor's temperature and humidity adjustment system |
| CN111345184A (en) * | 2018-12-21 | 2020-06-30 | 天津市泊鹤农业科技发展有限公司 | Ventilation equipment for greenhouse |
| TWM578934U (en) * | 2019-01-16 | 2019-06-11 | 銥光農業科技股份有限公司 | Airflow system with temperature and humidity control |
| CN209992853U (en) * | 2019-08-01 | 2020-01-24 | 昆明统一生物科技有限公司 | Greenhouse temperature and humidity control device for planting butterfly orchid |
| CN110839446B (en) * | 2019-11-12 | 2021-06-04 | 四川大学 | Closed experiment chamber system for simulating deep-field agricultural environment |
| CN212065095U (en) * | 2019-12-13 | 2020-12-04 | 皮张新 | Greenhouse humidification ventilation equipment for greenhouse cultivation |
| CN212306245U (en) * | 2020-04-10 | 2021-01-08 | 元成环境股份有限公司 | Fern humidification flowerpot cultivated in a pot |
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- 2021-04-07 CN CN202110369646.7A patent/CN113099907B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214709089U (en) * | 2021-04-07 | 2021-11-16 | 常熟市佳盛农业科技发展有限公司 | Greenhouse humidity fixed-point control system |
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