CN213290341U - Automatic detection wind-proof protection device for plastic greenhouse - Google Patents
Automatic detection wind-proof protection device for plastic greenhouse Download PDFInfo
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- CN213290341U CN213290341U CN202021583873.7U CN202021583873U CN213290341U CN 213290341 U CN213290341 U CN 213290341U CN 202021583873 U CN202021583873 U CN 202021583873U CN 213290341 U CN213290341 U CN 213290341U
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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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Abstract
The utility model discloses a hot house automated inspection prevents wind protection device, including greenhouse skeleton, greenhouse skeleton covers the inoxidizing coating, greenhouse skeleton both ends set up the direction unit relatively, the direction unit by greenhouse skeleton one side bottom is through greenhouse skeleton top to greenhouse skeleton opposite side bottom, direction unit top connection control unit, the control unit electricity respectively links power supply, wind speed and direction sensor and cutting unit, the cutting unit both ends are sliding connection corresponding respectively the direction unit, the cutting unit is followed the direction unit by greenhouse skeleton top slides greenhouse skeleton's bottom. The utility model provides a vinyl house when meetting the strong wind, cause the big-arch shelter skeleton to collapse, damage, cause huge loss's problem, make producer's loss reduce, be applicable to circular arch type individual layer film big-arch shelter.
Description
Technical Field
The utility model belongs to the technical field of plant the big-arch shelter, concretely relates to hot house automated inspection prevent wind protection device.
Background
The plastic greenhouse can transmit light and keep warm, and is a facility for cultivating plants. In seasons unsuitable for plant growth, the method can provide the growth period of the greenhouse and increase the yield, and is mainly used for cultivating or raising seedlings of plants like warm vegetables, flowers and trees in low-temperature seasons. The out-of-season fruit and vegetable planting by utilizing the greenhouse is very popular in China, and when the thin-film plastic greenhouse encounters strong wind exceeding the designed wind load, the whole or part of the plastic greenhouse is collapsed, so that great loss is brought to producers. In terms of the construction cost of the plastic greenhouse film and the steel framework, the cost of the film accounts for 5-10% of the cost of the steel framework, so that when strong wind which is more than designed wind load and is very likely to destroy the plastic greenhouse is encountered, the film is firstly destroyed to protect the steel framework from being damaged by the strong wind, and the plastic greenhouse film has great economic value.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve hot house and meet when strong wind, cause the big-arch shelter skeleton to collapse, damage, cause the hot house automated inspection of huge loss to prevent wind protection device.
In order to achieve the above object, the utility model adopts the following technical scheme:
protection device is prevent wind in hot house automated inspection, including greenhouse skeleton, greenhouse skeleton covers the inoxidizing coating, the relative direction unit that sets up in greenhouse skeleton both ends, the direction unit by greenhouse skeleton one side bottom is through greenhouse skeleton top to greenhouse skeleton opposite side bottom, direction unit top connection control unit, the control unit electricity respectively connects power, wind speed and direction sensor and cutting unit, the cutting unit both ends are sliding connection corresponding respectively the direction unit, the cutting unit is followed the direction unit by greenhouse skeleton top slides the bottom of greenhouse skeleton.
The cutting unit comprises an axle, cutting knives and pulleys, the cutting knives are arranged at intervals along the length direction of the axle, two ends of the axle are respectively connected with the corresponding pulleys, and each pulley is connected with the corresponding guide unit in a sliding mode.
As another limitation, the cutting knives correspond to the arch bars of the greenhouse frame one by one, and the tool tip of each cutting knife is lower than the inner surface of the protective layer.
By way of further limitation, each of the arch bars is provided with a sliding groove along the movement direction of the cutting knife, and the tip of each cutting knife extends into the corresponding sliding groove.
As a further limitation, the cutting units are a first cutting unit and a second cutting unit, and the first cutting unit and the second cutting unit respectively slide from the top of the greenhouse frame to the bottom of the corresponding greenhouse frame along the guide unit.
As a further limitation, the control unit comprises a PC controller, an electromagnetic switch, a hook and a ratchet wheel, the PC controller is electrically connected with the power supply, the PC controller is electrically connected with the electromagnetic switch, the electromagnetic switch is connected with the hook, the hook is connected with the ratchet wheel, and the ratchet wheel is connected with the cutting unit.
As a further limitation, the hook is connected to a manual switch, and the manual switch is used for enabling the hook to be in a closing position or an opening position.
By way of further limitation, the protective layer is a single-layer film, and the single-layer film is a single-layer plastic film.
The utility model discloses owing to adopted foretell structure, it compares with prior art, and the technical progress who gains lies in: the utility model discloses a relative direction unit that sets up in greenhouse skeleton both ends, direction unit is by greenhouse skeleton one side bottom through greenhouse skeleton top to greenhouse skeleton other side bottom, direction unit top connection control unit, the control unit is electric connection power respectively, wind speed and direction sensor and cutting unit, cutting unit both ends are sliding connection corresponding direction unit respectively, this kind of setting utilizes the control unit to collect wind speed and direction sensor's signal, when the signal that the control unit analysis was collected exceeded the threshold value that predetermines, the control unit sends a signal for the cutting unit, the cutting unit is accomplished the cutting of inoxidizing coating by greenhouse skeleton top sliding greenhouse skeleton's bottom along the direction unit, form strong wind passageway, make greenhouse skeleton's stress area reduce, collapse in order to protect greenhouse skeleton, damage, reduce the loss; the design principle is as follows: according to the design data of the plastic greenhouse, a user sets a maximum damage wind speed value (threshold value) and a damage time delay value, a wind speed and direction sensor acquires wind speed and direction indexes and sends the wind speed and direction indexes to a program controller (PC controller) (if a sensor signal of a local meteorological station can also be adopted), and the controller starts a cutting unit arranged at the top of the greenhouse after receiving an instruction to rapidly cut the film along the direction of an arch frame, so that the aim of damaging the film and protecting a greenhouse framework from being destroyed by strong wind is fulfilled; to sum up, the utility model provides a vinyl house when meetting the strong wind, cause the big-arch shelter skeleton to collapse, damage, cause huge loss's problem, make producer's loss reduce, be applicable to circular arch form individual layer film big-arch shelter.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of a greenhouse frame according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a control unit according to an embodiment of the present invention;
fig. 4 is a frame diagram of a control unit according to an embodiment of the present invention.
Labeling components: 1-greenhouse framework, 101-arch bar, 2-protective layer, 3-guiding unit, 4-control unit, 401-PC controller, 402-electromagnetic switch, 403-trip, 404-ratchet, 405-manual switch, 5-power supply, 6-wind speed and direction sensor, 7-cutting unit, 701-wheel shaft, 702-cutting knife, 703-pulley, 704-first cutting unit, 705-second cutting unit and 8-chute.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the invention.
Embodiment automatic detection windproof protection device for plastic greenhouse
The embodiment discloses an automatic detection windproof protection device for a plastic greenhouse, which comprises a greenhouse framework 1, wherein the greenhouse framework 1 is preferably made of steel materials in a welding or bolt connection combined mode, the greenhouse framework 1 is preferably circular arch-shaped, a plurality of arch bars 101 are arranged at intervals along the length direction of the greenhouse framework 1, the existing circular arch-shaped greenhouse arch bars are arranged in the arch bars 101, and the arch bars 101 are used for supporting the greenhouse framework 1 and play a role in stabilizing the greenhouse framework 1; the protective layer 2 covers the greenhouse framework 1, the protective layer 2 is preferably made of a single-layer plastic film, the protective layer 2 is connected with the greenhouse framework 1 through a plurality of compression ropes, guide units 3 are oppositely arranged at two ends of the greenhouse framework 1, the guide units 3 can adopt guide wheels to complete the guide problem of the cutting units 7, the guide units 3 are preferably made of steel, the guide units 3 are in a circular arch shape, the guide units 3 are arranged from the bottom of one side of the greenhouse framework 1 to the bottom of the other side of the greenhouse framework 1 through the top of the greenhouse framework 1, the guide units 3 can be positioned at the outer sides of the two ends of the greenhouse framework 1, the guide units 3 are preferably positioned at the upper end of the greenhouse framework 1, namely the lower surface of the guide units 3 is abutted against the outer surface of the greenhouse framework 1, the oppositely arranged guide units 3 can limit the moving position of the cutting units 7, the guide unit 3 can also play a role of a sliding rail, so that when the cutting unit 7 moves along the guide unit 3, the friction force is reduced, namely, the cutting unit 7 can slide along the guide unit 3 only by the gravity of the cutting unit 7, the guide unit 3 can be fixedly connected with the greenhouse framework 1 in a welding mode, preferably, the guide unit 3 is connected with the greenhouse framework 1 through bolts to form a detachable connection mode, and the arrangement mode is convenient for maintaining or replacing the guide unit 3; the top of the guide unit 3 is connected with a control unit 4, the control unit 4 is respectively and electrically connected with a power supply 5, an air speed and wind direction sensor 6 and a cutting unit 7, the air speed and wind direction sensor 6 is used for collecting signals around the greenhouse framework 1 and transmitting the collected signals to the control unit 4, the control unit 4 analyzes the signals transmitted by the air speed and wind direction sensor 6, and then the control unit 4 sends an instruction to the cutting unit 7, so that the cutting unit 7 executes the instruction sent by the control unit 4; cutting unit 7 both ends difference sliding connection corresponding guide unit 3, when control unit 4 sent cutting signal for cutting unit 7, cutting unit 7 was slided to the bottom of greenhouse skeleton 1 along guide unit 3 by greenhouse skeleton 1 top and is accomplished the cutting to inoxidizing coating 2, promptly: the protective layer 2 of the greenhouse framework 1 is cut to form an air duct, so that the stress of the greenhouse framework 1 is reduced, and the greenhouse framework 1 is prevented from collapsing and being damaged, and huge loss is caused to producers; when the greenhouse frame needs to work, an operator firstly sets a threshold value and a time delay value for the control unit 4, the wind speed and direction sensor 6 collects wind speed and direction signals around the greenhouse frame 1 and transmits the collected signals to the control unit 4, the control unit 4 analyzes the signals transmitted back by the wind speed and direction sensor 6, when the signal threshold value is lower than the set threshold value, the control unit 4 does not send signals to the cutting unit 7, when the signal threshold value is higher than the set threshold value, the control unit 4 starts timing, when the timing time is lower than the set time delay value, the control unit 4 analyzes that the signals transmitted back by the wind speed and direction sensor 6 are lower than the threshold value, the timing time returns to zero, the control unit 4 does not send signals to the cutting unit 7, when the timing time reaches the set time delay value and the signal threshold value transmitted back by the wind speed and direction sensor 6 is always larger than the set threshold value, the control unit 4 sends a signal to the cutting unit 7, and the cutting unit 7 starts to slide to the bottom of the greenhouse framework 1 from the top of the greenhouse framework 1 along the guide unit 3 to complete cutting of the protective layer 2; the advantage of this embodiment lies in that, adopt above-mentioned setting, when having solved hot house and having met the strong wind, cause greenhouse skeleton 1 to collapse, damage, cause huge economic loss's problem for the producer, make producer's loss reduce.
One preferable structure of the cutting unit 7 of this embodiment is, as shown in fig. 1 and fig. 2, the cutting unit 7 includes an axle 701, cutting knives 702 and pulleys 703, the cutting knives 702 are arranged at intervals along the length direction of the axle 701, the cutting knives 702 can be circular cutting knives, preferably, the cutting knives 702 are sheet-shaped knives, the cutting knives 702 are vertically connected with the axle 701 through bolts to form a detachable connection mode, the tips of the cutting knives 702 are lower than the lower surface of the plastic film, such arrangement facilitates maintenance or replacement of the cutting knives 702, and facilitates the cutting knives 702 to completely cut the plastic film; the two ends of the wheel shaft 701 are respectively rotatably connected with the corresponding pulleys 703, each pulley 703 is slidably connected with the corresponding guide unit 3, the guide units 3 are made of steel, the upper surface of the steel is provided with a slideway through a machine tool, the slideway is matched with the pulleys 703, the pulleys 703 can rotate along the slideway, the arrangement can ensure that when the cutting knife 702 slides down along the guide units 3, the friction force between the pulleys 703 and the guide units 3 is smaller, and the cutting knife 702 can conveniently cut the plastic film; each cutting knife 702 corresponds to the arch bar 101 of the greenhouse framework 1 one by one, the knife tip of each cutting knife 702 is lower than the inner surface of the protective layer 2, the protective layer 2 covering the greenhouse framework 1 is irregularly changed along with the change of strong wind under the condition that the protective layer 2 of the greenhouse framework 1 is in strong wind, the cutting of the protective layer 2 by the cutting knife 702 is not facilitated, and the protective layer 2 can be positioned between the arch bar 101 and the cutting knife 702 due to the arrangement, so that the cutting knife 702 can conveniently complete the cutting; each arch bar 101 is provided with a sliding groove 8 along the movement direction of the cutting knife 702, the depth of the sliding groove 8 is less than the thickness of the arch bar 101, preferably, the depth of the sliding groove 8 is 0.2-0.5mm, the arrangement can not only completely cut the protective layer 2, but also can not reduce the bearing capacity of the greenhouse framework 1, the tool tip of each cutting knife 702 extends into the corresponding sliding groove 8, and the arrangement can completely cut the protective layer 2; the cutting units 7 are a first cutting unit 704 and a second cutting unit 705, the first cutting unit 704 and the second cutting unit 705 respectively slide to the bottom of the corresponding greenhouse framework 1 from the top of the greenhouse framework 1 along the guide unit 3, and the arrangement can completely cut the protective layer 2 of the greenhouse framework 1 to form a strong wind channel and reduce the bearing capacity of the greenhouse framework 1; the advantage of this example lies in that adopts above-mentioned setting, can accomplish the cutting of big-arch shelter skeleton 1 inoxidizing coating 2 fast, alleviates big-arch shelter skeleton 1's bearing capacity, avoids big-arch shelter skeleton 1 to collapse, damage, has reduced producer's economic loss.
A preferable structure of the control unit 4 of this embodiment is, as shown in fig. 3 and 4, that the control unit 4 includes a PC controller 401, an electromagnetic switch 402, a hook 403, and a ratchet 404, the PC controller 401 is electrically connected to the power supply 5, the PC controller 401 is electrically connected to the wind speed and direction sensor 6, the PC controller 401 is electrically connected to the electromagnetic switch 402, the electromagnetic switch 402 is connected to the hook 403, the hook 403 is connected to the ratchet 404, and the ratchet 404 is connected to the cutting unit 7; the PC controller 401 controls the principle: inputting a signal: wind speed and direction sensor, output: relay switching value, power: input 220VAC,80W, output: and 24VDC, and the administrator inputs a designed maximum wind speed value, a designed wind direction and a designed delay time value from a controller keyboard. The PC controller 401 regularly patrols and examines the input signal when working, compares the set value of the wind speed and the wind direction, starts timing when the input signal is larger than the set value, and sends a command to control the relay to be closed when the timing time reaches the set delay time and the wind speed input value is still higher than the set value; if the input wind speed value is lower than the set value within the delay time, the time is abandoned, and the inspection is restarted. The control unit 4 works according to the following principle: the control unit 4 comprises a PC controller 401, an electromagnetic switch 402, a hook 403 and a ratchet 404, when a computer sends an instruction, the electromagnetic switch 402 is electrified, the hook 403 is attracted and clamped, the ratchet 404 is released by the hook 403, the cutting unit 7 slides down quickly along the guide unit 3 under the action of gravity, the cutting knife 702 cuts the plastic film along the arch bar 101, the guide unit 3 ensures that the cutting unit 7 cannot deviate, the automatic control of the cutting unit 7 can be realized, and the cutting unit 7 can automatically cut the plastic film when strong wind suddenly comes; the hook 403 is connected with the manual switch 405, the hook 403 is in a closing station or an opening station when the manual switch 405 is used, the control unit 4 is provided with a manual function, when a power supply is damaged before strong wind and cannot be used, a worker judges according to the wind power and needs to break a film to protect the greenhouse framework 1, the worker pulls the hook 403, the ratchet 404 is released, the cutting unit 7 slides down quickly along the guide unit 3 under the action of gravity, the cutter 702 cuts the plastic film along the arch bar 101, the arrangement can prevent the plastic film from being cut and arranged after the power supply is damaged by the strong wind, the worker manually pulls the manual switch to release the ratchet 404, and the cutting unit 7 cuts the plastic film; therefore, the advantage of the embodiment is that with the above arrangement, when the strong wind comes, the cutting unit 7 is controlled by the PC controller 401 to realize the automatic cutting of the plastic film; when the power supply 5 is damaged by strong wind, the cutting unit 7 can be manually controlled by workers to cut the plastic film.
The embodiment of the utility model provides a theory of operation as follows:
when the greenhouse frame needs to work, a worker firstly sets a threshold value and a time delay value for the PC controller 401, the wind speed and wind direction sensor 6 collects wind speed and wind direction signals around the greenhouse frame 1 and transmits the collected signals to the PC controller 401, the PC controller 401 analyzes the signals transmitted back by the wind speed and wind direction sensor 6, when the signal threshold value is lower than the set threshold value, the PC controller 401 does not send signals to the cutting unit 7, when the signal threshold value is higher than the set threshold value, the PC controller 401 starts timing, when the timing time is lower than the set time delay value, the PC controller 401 analyzes that the signals transmitted back by the wind speed and wind direction sensor 6 are lower than the threshold value, the timing time returns to zero, the PC controller 401 does not send signals to the cutting unit 7, when the timing time reaches the set time delay value and the signal threshold value transmitted back by the wind speed and wind direction sensor 6 is always larger than the set threshold value, the PC controller 401 sends out an instruction, the electromagnetic switch 402 is powered on, the hook 403 is attracted, the ratchet 404 is released by the hook 403, and the cutting unit 7 starts to slide to the bottom of the greenhouse framework 1 from the top of the greenhouse framework 1 along the guide unit 3 under the action of gravity to complete the cutting of the plastic film.
When the power supply 5 is damaged, a worker pulls the hook 403, the ratchet 404 is released, the cutting unit 7 slides down along the guide unit 3 rapidly under the action of gravity, and the cutting knife 702 cuts the plastic film along the arch bar 101, so that the cutting of the plastic film is realized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the protection of the claims of the present invention.
Claims (8)
1. Protection device is prevent wind in hot house automated inspection, including greenhouse skeleton (1), greenhouse skeleton (1) covers inoxidizing coating (2), its characterized in that: greenhouse skeleton (1) both ends set up guide unit (3) relatively, guide unit (3) by greenhouse skeleton (1) one side bottom is through greenhouse skeleton (1) top to greenhouse skeleton (1) opposite side bottom, guide unit (3) top connection control unit (4), control unit (4) electricity respectively connects power supply (5), wind speed sensor (6) and cutting unit (7), cutting unit (7) both ends are sliding connection corresponding respectively guide unit (3), cutting unit (7) are followed guide unit (3) by greenhouse skeleton (1) top slides the bottom of greenhouse skeleton (1).
2. The automatic detection windproof protection device for the vinyl house according to claim 1, characterized in that: the cutting unit (7) comprises an axle (701), cutting knives (702) and pulleys (703), the cutting knives (702) are arranged at intervals along the length direction of the axle (701), two ends of the axle (701) are respectively connected with the corresponding pulleys (703), and each pulley (703) is connected with the corresponding guide unit (3) in a sliding mode.
3. The automatic detection windproof protection device for the vinyl house according to claim 2, characterized in that: the cutting knives (702) are respectively in one-to-one correspondence with arch bars (101) of the greenhouse framework (1), and the knife tips of the cutting knives (702) are lower than the inner surface of the protective layer (2).
4. The automatic detection windproof protection device for the vinyl house according to claim 3, characterized in that: each arch bar (101) is provided with a sliding groove (8) along the moving direction of the cutting knife (702), and the tool tip of each cutting knife (702) extends into the corresponding sliding groove (8).
5. The automatic detection windproof protection device for the vinyl house according to claim 1, characterized in that: the cutting units (7) are a first cutting unit (704) and a second cutting unit (705), and the first cutting unit (704) and the second cutting unit (705) respectively slide from the top of the greenhouse framework (1) to the bottom of the corresponding greenhouse framework (1) along the guide unit (3).
6. The automatic detection windproof protection device for the vinyl house according to claim 1, characterized in that: the control unit (4) comprises a PC controller (401), an electromagnetic switch (402), a clamping hook (403) and a ratchet wheel (404), the PC controller (401) is electrically connected with the power supply (5), the PC controller (401) is electrically connected with the electromagnetic switch (402), the electromagnetic switch (402) is connected with the clamping hook (403), the clamping hook (403) is connected with the ratchet wheel (404), and the ratchet wheel (404) is connected with the cutting unit (7).
7. The automatic detection windproof protection device for the vinyl house according to claim 6, characterized in that: the trip (403) is connected with a manual switch (405), and the manual switch (405) is used for enabling the trip (403) to be in a closed station or an open station.
8. The automatic detection windproof protection device for the vinyl house according to any one of claims 1 to 7, characterized in that: the protective layer (2) is a single-layer film, and the single-layer film is a single-layer plastic film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021583873.7U CN213290341U (en) | 2020-08-03 | 2020-08-03 | Automatic detection wind-proof protection device for plastic greenhouse |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021583873.7U CN213290341U (en) | 2020-08-03 | 2020-08-03 | Automatic detection wind-proof protection device for plastic greenhouse |
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| CN213290341U true CN213290341U (en) | 2021-05-28 |
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| CN202021583873.7U Active CN213290341U (en) | 2020-08-03 | 2020-08-03 | Automatic detection wind-proof protection device for plastic greenhouse |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114303723A (en) * | 2021-12-24 | 2022-04-12 | 山东农业大学 | Agricultural greenhouse and greenhouse using method |
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2020
- 2020-08-03 CN CN202021583873.7U patent/CN213290341U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114303723A (en) * | 2021-12-24 | 2022-04-12 | 山东农业大学 | Agricultural greenhouse and greenhouse using method |
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