Positive pressure aeration cooling system of tomato
Technical Field
The utility model relates to the technical field of greenhouses, in particular to a positive-pressure ventilation cooling system for tomatoes.
Background
Because the greenhouse has unique greenhouse effect, the greenhouse has larger heat load in summer than a common building. In high-temperature weather in which natural ventilation cannot meet the cooling requirement, except for opening a curtain system, evaporative cooling is one of the most widely and effectively applied cooling technologies in summer production environment regulation of modern greenhouses. Among them, the use of the negative pressure cooling system of the wet curtain fan is the most common.
However, when the system operates, a temperature gradient is formed in the direction of the airflow, the temperature is lower at a position close to the wet curtain and is relatively higher at a position close to the fan, and the distance between the wet curtain surface and the fan surface is limited. Moreover, the multi-span greenhouse for efficiently cultivating the vine-hanging crops such as tomatoes has the advantages that the cooling effect is influenced by the shielding of plant branches and leaves, the effective cooling distance is smaller, the temperature distribution difference in the greenhouse is larger, the crop growth conditions are inconsistent, and the cultivation management difficulty is increased. At present, in order to meet the cooling requirement in the greenhouse, the cooling system is required to be operated all the day, so that the energy consumption of the greenhouse operation is greatly increased, and the cost is higher.
Therefore, it is the problem that technical personnel in the field need to solve urgently that a simple structure, reasonable in design, convenient operation, cooling effect is good, can also effectively reduce the positive pressure aeration cooling system of tomato of cooling operation energy consumption simultaneously.
Disclosure of Invention
In view of the above, in order to solve the technical problems that a greenhouse cooling system for cultivating tendrilled crops such as tomatoes is poor in cooling effect and high in energy consumption in the prior art, the utility model provides the positive-pressure ventilating cooling system for tomatoes, which is simple in structure, reasonable in design, convenient to operate, good in cooling effect and capable of effectively reducing cooling operation energy consumption.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a positive-pressure ventilation cooling system for tomatoes comprises a glass outer wall, a partition wall, an air supply chamber windowing mechanism, an air supply pipe, a pipeline fan, a wet curtain mechanism, a circulating fan, a top windowing mechanism and a temperature adjusting mechanism; the glass outer wall and the isolation wall are oppositely arranged at intervals, the air supply chamber is formed between the glass outer wall and the isolation wall, and the air supply chamber is positioned at the end part of the greenhouse main body; the air supply chamber windowing mechanism is connected to the middle part of the isolation wall; the air supply pipe is arranged in the greenhouse main body, one end of the air supply pipe penetrates through the isolation wall and is inserted into the air supply chamber, and the pipeline fan is installed at the insertion end of the air supply pipe; the wet curtain mechanism is arranged on the inner wall of the glass outer wall and is arranged opposite to the window opening mechanism of the air supply chamber; the circulating fan is arranged in the greenhouse main body and is positioned above the blast pipe; the top windowing mechanism is arranged at the tops of the air supply chamber and the greenhouse main body; the temperature adjusting mechanism is installed in the air supply chamber.
Through the technical scheme, compared with the prior art, the positive-pressure ventilating and cooling system for the tomatoes, disclosed by the utility model, has the advantages that the positive-pressure ventilating and cooling system for the tomatoes is realized by utilizing the blast pipe and the pipeline fan, the temperature gradient problem of the traditional negative-pressure cooling system for the wet curtain fan is avoided, the temperature of the whole greenhouse main body is uniformly distributed and is favorable for the growth of crops, meanwhile, the arrangement of the air supply chamber windowing mechanism and the circulating fan enables the system to run at low load and even discontinuously, the running energy consumption can be effectively reduced while the cooling effect is ensured, the arrangement of the top windowing mechanism enables the dehumidification process in winter in the system to be more effective, the relatively dry external air can be conveniently conveyed to the bottoms of the crops, the crops can grow in a relatively stable and uniform environment, the indoor temperature can be effectively reduced in summer by matching with the temperature regulating mechanism, so that the system has good cooling effect. The positive-pressure ventilating and cooling system for tomatoes, disclosed by the utility model, has the advantages of simple structure, reasonable design and convenience in operation, ensures good cooling effect, can effectively reduce the energy consumption of cooling operation of the system, and has good market application prospect.
Furthermore, the blast pipes and the pipeline fans are multiple, the blast pipes are evenly distributed in the greenhouse main body at intervals, a plurality of air holes are formed in each blast pipe, and the pipeline fans are arranged in one-to-one correspondence with the blast pipes.
The beneficial effect who adopts above-mentioned technical scheme to produce is for this cooling system structural design is reasonable, has further strengthened this cooling system's rapid cooling effect.
Furthermore, the number of the circulating fans is more than two, and the circulating fans are uniformly arranged in the greenhouse main body.
The beneficial effect that adopts above-mentioned technical scheme to produce is for the temperature distribution in the greenhouse main part is even, still makes this system low-load even discontinuous operation simultaneously, has effectively reduced the energy consumption.
Furthermore, temperature regulation mechanism includes cold and hot switch and bracing piece, the bracing piece level is arranged and is installed the glass outer wall with between the division wall, just the bracing piece is located wet curtain mechanism with supply-air chamber windowing machine constructs the below, cold and hot switch installs on the bracing piece bottom face.
The beneficial effect who adopts above-mentioned technical scheme to produce is for this system structural design is reasonable, is convenient for use with the cooperation of top windowing mechanism effectively reduces the indoor temperature of air supply.
Further, the greenhouse comprises an environment control mechanism, wherein the environment control mechanism is arranged in the greenhouse main body, is electrically connected with the pipeline fan, the circulating fan and the cold-heat exchanger and is used for controlling the pipeline fan, the circulating fan and the cold-heat exchanger.
The beneficial effect that adopts above-mentioned technical scheme to produce is for this system convenient operation, the controllability is good.
Furthermore, the wet curtain water tank is arranged between the glass outer wall and the isolation wall and is positioned below the air supply chamber.
The beneficial effect who adopts above-mentioned technical scheme to produce is, is convenient for collect the moisture of cooling process.
Drawings
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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a positive pressure aeration cooling system for tomatoes, provided by the utility model;
fig. 2 is a schematic structural diagram of a positive pressure aeration cooling system for tomatoes provided by the utility model in another state;
fig. 3 is a side view of the positive pressure aeration cooling system for tomatoes provided by the utility model.
Wherein: 1-glass outer wall, 2-isolation wall, 3-blast chamber, 4-blast chamber windowing mechanism, 5-blast pipe, 6-pipeline fan, 7-wet curtain mechanism, 8-circulating fan, 9-top windowing mechanism, 10-temperature regulating mechanism, 101-cold-heat exchanger, 102-support rod, 11-environment control mechanism, 12-wet curtain water tank and 100-greenhouse body.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The utility model discloses a positive-pressure ventilation cooling system for tomatoes, which comprises a glass outer wall 1, a partition wall 2, an air supply chamber 3, an air supply chamber windowing mechanism 4, an air supply pipe 5, a pipeline fan 6, a wet curtain mechanism 7, a circulating fan 8, a top windowing mechanism 9 and a temperature adjusting mechanism 10; the glass outer wall 1 and the partition wall 2 are oppositely arranged at intervals, an air supply chamber 3 is formed between the glass outer wall 1 and the partition wall 2, and the air supply chamber 3 is positioned at the end part of the greenhouse main body 100; the air supply chamber windowing mechanism 4 is connected to the middle part of the separation wall 2; the blast pipe 5 is arranged in the greenhouse main body 100, one end of the blast pipe passes through the separation wall 2 and is inserted into the blast chamber 3, and the pipeline fan 6 is arranged at the insertion end of the blast pipe 5; the wet curtain mechanism 7 is arranged on the inner wall of the glass outer wall 1 and is opposite to the air supply chamber windowing mechanism 4; the circulating fan 8 is arranged in the greenhouse main body 100 and is positioned above the blast pipe 5; the top windowing mechanism 9 is arranged at the tops of the air supply chamber 3 and the greenhouse main body 100; the temperature adjustment mechanism 10 is installed in the air blowing chamber 3.
According to an optional embodiment of the utility model, the number of the blast pipes 5 and the number of the pipeline fans 6 are multiple, the plurality of blast pipes 5 are uniformly distributed in the greenhouse main body 100 at intervals, each blast pipe 5 is provided with a plurality of uniformly distributed air holes, and the plurality of pipeline fans 6 are respectively arranged in one-to-one correspondence with the plurality of blast pipes 5, so that the structural design of the cooling system is reasonable, and the rapid cooling effect of the cooling system is further enhanced.
According to an optional embodiment of the utility model, more than two circulating fans 8 are provided, and the more than two circulating fans 8 are uniformly arranged in the greenhouse main body 100, so that the temperature distribution in the greenhouse main body is uniform, and meanwhile, the system can run at low load even discontinuously, and the energy consumption is effectively reduced.
According to an alternative embodiment of the present invention, the temperature adjusting mechanism 10 comprises a heat exchanger 101 and a support rod 102, the support rod 102 is horizontally arranged and installed between the glass outer wall 1 and the partition wall 2, the support rod 102 is located below the wet curtain mechanism 7 and the blowing chamber windowing mechanism 4, and the heat exchanger 101 is installed on the bottom end face of the support rod 102, so that the system is reasonable in structural design and convenient to cooperate with the top windowing mechanism to effectively reduce the temperature in the blowing chamber.
According to an optional embodiment of the present invention, the greenhouse further comprises an environment control mechanism 11, wherein the environment control mechanism 11 is disposed in the greenhouse main body 100, and is electrically connected to the duct fan 6, the circulation fan 8 and the heat and cold exchanger 101, and is used for controlling the duct fan 6, the circulation fan 8 and the heat and cold exchanger 101, so that the system is convenient to operate and has good controllability.
According to an alternative embodiment of the utility model, the wet curtain water tank 12 is further included, and the wet curtain water tank 12 is installed between the glass outer wall 1 and the partition wall 2 and is positioned below the air supply chamber 3, so that moisture in the cooling process can be collected conveniently.
According to the positive-pressure ventilating and cooling system for the tomatoes, the air supply pipe and the pipeline fan are used for conducting positive-pressure ventilating and cooling, the temperature gradient problem existing in a traditional negative-pressure cooling system of a wet curtain fan is solved, the temperature of the whole greenhouse main body is uniformly distributed, crop growth is facilitated, meanwhile, due to the arrangement of the air supply chamber windowing mechanism and the circulating fan, the system can run at low load and even discontinuously, the running energy consumption can be effectively reduced while the cooling effect is guaranteed, due to the arrangement of the top windowing mechanism, the dehumidifying process in the system in winter is more effective, relatively dry external air can be conveniently conveyed to the bottom of the crops, the crops can grow in a relatively stable and uniform environment, due to the cooperation of the top windowing mechanism and the temperature adjusting mechanism, the indoor temperature can be effectively reduced in summer, and the cooling effect of the system is good. The cooling system is simple in structure, reasonable in design and convenient to operate, can effectively reduce the energy consumption of cooling operation of the system while ensuring good cooling effect, and has good market application prospect.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.