CN216674027U

CN216674027U - Plant leaf freeze injury prevention equipment

Info

Publication number: CN216674027U
Application number: CN202220268316.9U
Authority: CN
Inventors: 王焕炯
Original assignee: Institute of Geographic Sciences and Natural Resources of CAS
Current assignee: Institute of Geographic Sciences and Natural Resources of CAS
Priority date: 2022-02-10
Filing date: 2022-02-10
Publication date: 2022-06-07
Anticipated expiration: 2032-02-10

Abstract

The utility model relates to the technical field of plant monitoring, and provides equipment for preventing plant leaves from being frozen. The method comprises the following steps: the greenhouse comprises a greenhouse body, wherein a plastic film is covered on an arc-shaped frame of the greenhouse body, and a greenhouse is formed between the plastic film and the greenhouse body; a plurality of temperature sensors are arranged on the rear wall of the shed body; the rear wall of the shed body is provided with a lower installation cavity, a middle installation cavity, an upper installation cavity and a diversion cavity; a plurality of groups of electric heating tubes are arranged in the lower mounting cavity; a plurality of fans are arranged in the middle mounting cavity; the middle installation cavity is communicated with the flow guide cavity, the flow guide cavity is located at the rear part of the upper installation cavity, and a plurality of rotatable hot air guide plates are arranged inside the upper installation cavity. The utility model has the beneficial effects that: when the temperature in the greenhouse is sharply reduced due to extreme cold weather or accidental damage of the plastic film at night, the temperature sensor sends a signal, the control device starts the electric heating pipe to heat rapidly, hot air is output to the greenhouse from the hot air guide plate, and freezing damage to plant leaves is prevented.

Description

Plant leaf freeze injury prevention equipment

Technical Field

The utility model relates to the technical field of plant monitoring, in particular to equipment for preventing plant leaves from being frozen.

Background

A greenhouse, also called a greenhouse, refers to a room with cold-proof, heating and light-transmitting facilities for cultivating warm-favored plants in winter. In seasons unsuitable for plant growth, the method can provide a growth period and increase yield, and is mainly used for cultivating or raising seedlings of plants such as warm vegetables, flowers and trees in low-temperature seasons. Greenhouse refers to a building that can control or partially control the environment in which plants grow. The method is mainly used for non-seasonal or non-regional plant cultivation, scientific research, generation-added breeding, ornamental plant cultivation and the like.

However, when the existing greenhouse is exposed to extreme cold weather or accidental damage of plastic mulching films at night, the temperature in the greenhouse can be rapidly reduced, so that the leaves of the plants are frozen, and even the plants are directly frozen.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide equipment for preventing plant leaves from being frozen so as to solve the technical problems in the prior art.

In order to achieve the purpose, the utility model adopts the technical scheme that: an apparatus for preventing freezing injury to plant leaves, comprising: the greenhouse comprises a greenhouse body, wherein a plastic film is covered on an arc-shaped frame of the greenhouse body, and a greenhouse is formed between the plastic film and the greenhouse body; a plurality of temperature sensors are arranged on the rear wall of the shed body; the rear wall of the shed body is provided with a lower installation cavity, a middle installation cavity, an upper installation cavity and a flow guide cavity; the front end faces of the lower installation cavity and the middle installation cavity are arranged in a closed mode; a plurality of groups of electric heating tubes are arranged in the lower mounting cavity; the lower installation cavity is communicated with the middle installation cavity, and a plurality of fans are arranged in the middle installation cavity; the middle installation cavity is communicated with the flow guide cavity, the flow guide cavity is located at the rear part of the upper installation cavity, and a plurality of rotatable hot air guide plates are arranged inside the upper installation cavity.

In an optional embodiment, the number of the middle installation cavity, the number of the upper installation cavity and the number of the diversion cavities are three.

In an optional embodiment, the number of the fans in each middle installation cavity is 3, and the fans are used for conveying hot air to the diversion cavity and the upper installation cavity.

In an optional embodiment, the maximum sectional areas of the diversion cavity and the upper installation cavity are equal, a partition plate is vertically arranged between the diversion cavity and the upper installation cavity, a diversion hole is arranged in the middle of the partition plate, and the sectional area of the diversion hole is not greater than 1/2 of the maximum sectional area of the upper installation cavity.

In an alternative embodiment, a plurality of rotatable hot air guide plates are arranged in parallel to each other and used for adjusting the flow direction of hot air.

In an alternative embodiment, the front end surface of the upper mounting cavity is arranged in an open mode.

In an optional embodiment, a sliding rail is arranged between the left side wall and the right side wall of the shed body, and a plurality of spray heads sliding along the sliding rail are arranged on the sliding rail.

In an optional embodiment, a liquid crystal display is further arranged on the rear wall of the greenhouse body and used for displaying the temperature and the humidity of the greenhouse.

In an optional embodiment, the rear wall of the booth body is further provided with an access, the access is adjacent to the liquid crystal display, and an access door is installed in the access.

The utility model has the beneficial effects that:

(1) according to the plant leaf freezing injury prevention device, the temperature sensor is arranged to monitor the temperature in the greenhouse in real time, when the temperature in the greenhouse is rapidly reduced due to extreme cold weather or accidental damage of plastic films at night, the temperature sensor sends a signal, the control device starts the electric heating pipe to rapidly heat, hot air is output into the greenhouse from the hot air guide plate, and the temperature in the greenhouse is guaranteed to prevent the plant leaves from being frozen.

(2) The hot air guide plates of the plant leaf freezing injury preventing equipment can be rotated and provided with a plurality of hot air guide plates, hot air can be uniformly conveyed into a greenhouse under the cooperation of the fans, and when the temperature reaches the temperature required by the normal growth of plants, the temperature regulation is stopped. In addition, the equipment is also provided with a spray head, so that the humidity in the greenhouse can be adjusted in real time, and the normal growth of plants is further ensured.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a device for preventing plant leaves from being frozen according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a device for preventing plant leaves from being frozen according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram three of the device for preventing plant leaf freezing provided by the embodiment of the utility model.

Wherein, the reference numbers in the figures are: 1. the greenhouse comprises a greenhouse body, 2 plastic coatings, 3 a greenhouse, 4 a sliding rail, 5 a spray head, 6 an inlet, an outlet, 7 a plant, 8 a temperature sensor, 9 a hot air guide plate, 10 a fan, 11 an electric heating pipe, 12 an upper installation cavity, 13 a lower installation cavity, 14 a middle installation cavity, 15 a liquid crystal display screen.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

Referring to fig. 1-3, the present embodiment provides a device for preventing freezing injury of plant leaves, comprising: canopy body 1, canopy body 1's arc frame upper cover is equipped with plastic film 2, forms greenhouse 3 between plastic film 2 and the canopy body 1, and greenhouse 3 is used for cultivating plant 7.

Specifically, a plurality of temperature sensors 8 are provided on the rear wall of the booth body 1 for monitoring the temperature in the greenhouse 3 in real time. The rear wall of the shed body 1 is provided with a lower installation cavity 13, a middle installation cavity 14, an upper installation cavity 12 and a diversion cavity. The front end faces of the lower mounting cavity 13 and the middle mounting cavity 14 are closed, and the front end face of the upper mounting cavity 12 is opened. The lower mounting cavity 13 is provided with a plurality of groups of electric heating tubes 11 for heating and generating hot air. The lower installation cavity 13 is communicated with the middle installation cavity 14, and the middle installation cavity 14 is internally provided with a plurality of fans 10 for guiding hot air. The middle installation cavity 14 is communicated with a flow guide cavity, and the flow guide cavity is positioned at the rear part of the upper installation cavity 12. The upper mounting cavity 12 is internally provided with a plurality of rotatable hot air guide plates 9, and preferably, the plurality of rotatable hot air guide plates 9 are arranged in parallel with each other for adjusting the flow direction of hot air.

Further, the number of the middle installation cavity 14, the number of the upper installation cavity 12 and the number of the flow guide cavities are three, and the middle installation cavity 14, the upper installation cavity 12 and the flow guide cavities which correspond to each other from top to bottom work in a matched mode. It should be noted that the number of fans 10 in each mid-mount chamber 14 is 3 for delivering hot air to the diversion chamber and the upper mount chamber 12. It should be pointed out that the biggest sectional area of water conservancy diversion chamber and upper portion installation cavity 12 is equal, and the division board is vertically provided with between water conservancy diversion chamber and the upper portion installation cavity 12, and the division board is cut apart into the water conservancy diversion chamber with the rear portion of upper portion installation cavity 12, and the middle part of division board is provided with the water conservancy diversion hole, and the sectional area in water conservancy diversion hole is not more than 1/2 of the biggest sectional area of upper portion installation cavity 12, guarantees hot-blast velocity of flow.

In addition, be provided with slide rail 4 between the left and right both sides lateral wall of canopy body 1, be provided with a plurality of shower nozzles 5 of its gliding of edge on the slide rail 4, through the humidity in humidity transducer monitoring greenhouse 3, when humidity is less than the requirement, utilize shower nozzle 5 to improve humidity to greenhouse 3 well spraying.

Finally, a liquid crystal display 15 is disposed on the rear wall of the greenhouse body 1 for displaying the temperature and humidity of the greenhouse 3. The rear wall of the shed body 1 is also provided with an access 6, the access 6 is adjacent to the liquid crystal display 15, and an access door is arranged in the access 6, so that people can conveniently get in and out.

The use process of the device is as follows: when the temperature in the greenhouse 3 is rapidly reduced due to extreme cold weather or accidental damage of the plastic coating 2 at night, the temperature sensor 8 sends a signal, the control device starts the electric heating tube 11 to rapidly heat the plastic coating, hot air is output to the greenhouse 3 from the hot air guide plate 9, and the temperature in the greenhouse 3 is ensured to prevent the leaves of the plants 7 from being frozen. The method specifically comprises the following steps: the electrothermal tube 11 heats and produces hot air, because the front ends of the lower installation cavity 13 and the middle installation cavity 14 are closed, the lower installation cavity 13 is communicated with the middle installation cavity 14, the fan 10 sucks hot air into the middle installation cavity 14 in the middle installation cavity 14 and conveys the hot air to the flow guide cavity, the hot air in the flow guide cavity enters the upper installation cavity 12 through the flow guide holes, under the action of the plurality of rotatable hot air guide plates 9 which are parallel to each other, the hot air is conveyed into the greenhouse 3 from the open front end surface of the upper installation cavity 12, and the temperature in the greenhouse is ensured to prevent plant leaves from being frozen.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An apparatus for preventing freezing injury to plant leaves, comprising: the greenhouse comprises a greenhouse body (1), wherein a plastic coating (2) is covered on an arc-shaped frame of the greenhouse body (1), and a greenhouse (3) is formed between the plastic coating (2) and the greenhouse body (1);

the greenhouse is characterized in that a plurality of temperature sensors (8) are arranged on the rear wall of the greenhouse body (1); a lower mounting cavity (13), a middle mounting cavity (14), an upper mounting cavity (12) and a flow guide cavity are arranged on the rear wall of the shed body (1);

the front end faces of the lower mounting cavity (13) and the middle mounting cavity (14) are arranged in a closed mode; a plurality of groups of electric heating tubes (11) are arranged in the lower mounting cavity (13); the lower installation cavity (13) is communicated with the middle installation cavity (14), and a plurality of fans (10) are arranged in the middle installation cavity (14); the middle installation cavity (14) is communicated with the flow guide cavity, the flow guide cavity is positioned at the rear part of the upper installation cavity (12), and a plurality of rotatable hot air guide plates (9) are arranged inside the upper installation cavity (12).

2. The plant leaf freezing prevention device as claimed in claim 1, wherein the number of the middle installation cavity (14), the upper installation cavity (12) and the diversion cavity is three.

3. Plant leaf frost damage prevention device according to claim 1, characterized in that the number of fans (10) in each of said intermediate installation cavities (14) is 3 for delivering hot air to said deflector and upper installation cavities (12).

4. The plant leaf freezing injury prevention device as claimed in claim 3, wherein the maximum sectional area of the diversion chamber is equal to that of the upper installation chamber (12), a partition plate is vertically arranged between the diversion chamber and the upper installation chamber (12), a diversion hole is arranged in the middle of the partition plate, and the sectional area of the diversion hole is not more than 1/2 of the maximum sectional area of the upper installation chamber (12).

5. The plant leaf freezing prevention apparatus as claimed in claim 1, wherein a plurality of rotatable hot air guide plates (9) are provided in parallel with each other for adjusting the flow direction of the hot air.

6. The plant leaf freezing prevention apparatus as claimed in claim 1, wherein the front end face of the upper installation chamber (12) is open.

7. The plant leaf freezing injury prevention device as claimed in claim 1, wherein a slide rail (4) is provided between the left and right side walls of the housing (1), and a plurality of spray heads (5) sliding along the slide rail (4) are provided on the slide rail.

8. The plant leaf freezing prevention device according to claim 7, wherein a liquid crystal display (15) is further provided on the rear wall of the housing (1) for displaying the temperature and humidity of the greenhouse (3).

9. The plant leaf freezing prevention device according to claim 8, wherein the rear wall of the housing (1) is further provided with an access opening (6), the access opening (6) is adjacent to the liquid crystal display (15), and an access door is installed in the access opening (6).