CN113716193A

CN113716193A - Air-conditioning composite fresh-keeping box for agricultural products

Info

Publication number: CN113716193A
Application number: CN202111041168.3A
Authority: CN
Inventors: 汤求建; 黄文涛
Original assignee: Guangdong Guangken Green Agricultural Products Co ltd
Current assignee: Guangdong Guangken Green Agricultural Products Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2021-11-30
Anticipated expiration: 2041-09-07
Also published as: CN113716193B

Abstract

The invention relates to the field of agricultural products, in particular to an air-conditioning composite fresh-keeping box for agricultural products, which comprises a box body, a plurality of fresh-keeping boxes and air-conditioning devices with the same quantity as the plurality of fresh-keeping boxes, wherein the box body is in a cylindrical structure, a plurality of partition plates are arranged in the box body, fan-shaped cavities are formed between every two adjacent partition plates, a fresh-keeping box capable of being pulled out is arranged in each fan-shaped cavity, the air-conditioning devices are arranged on the outer side of the box body and are respectively provided with an air-conditioning device, each air-conditioning device comprises a gas storage chamber communicated with the fan-shaped cavities, baffle plates arranged at the communication positions of the gas storage chamber and the fan-shaped cavities and an air supplementing mechanism arranged on the gas storage chamber, and a gas sensor is also arranged in each fan-shaped cavity, the air in the fresh-keeping boxes is supplemented and adjusted by the air-conditioning devices, so that the gas in the fresh-keeping boxes is always in an environment suitable for storing the agricultural products, ensures better storage effect of agricultural products and is not easy to influence the quality.

Description

Air-conditioning composite fresh-keeping box for agricultural products

Technical Field

The invention relates to the field of agricultural products, in particular to an air-conditioning composite fresh-keeping box for agricultural products.

Background

The modified atmosphere fresh-keeping is the most green and environment-friendly fresh-keeping mode recognized in the world at present, has good fresh-keeping effect, long shelf life, high production efficiency, safety and environmental protection, however, the air-conditioned preservation in the prior art mostly needs to establish an air-conditioned cold store at the picking source of agricultural products, the air-conditioned cold store in the prior art has certain defects and limitations, the existing air-conditioned fresh-keeping box has larger volume, higher cost and higher energy consumption, the transportation of agricultural products is also limited, the external gas enters the fresh-keeping box, the gas is not supplemented, the damage of the agricultural products or the influence of the quality of the agricultural products are easily caused, the existing fresh-keeping box is not suitable for storing the small-scale agricultural products, and the existing fresh-keeping box mostly only has one layer of storage space, the agricultural products under different environments can not be subjected to air conditioning according to different agricultural products, and the damage of the agricultural products can be easily caused when all the agricultural products are put together.

The present disclosure discloses a portable multifunctional fruit and vegetable storage and transportation microenvironment gas regulation and control fresh-keeping box of CN201510165101.9, which comprises a box cover, a box cover handle, a box body, a sealing rubber ring between the box body and the box cover, a grid type lifting box three-dimensional inner package in the box body, a skidproof convex disc/skidproof pad at the bottom of the box cover, a skidproof sliding frame on the inner side wall of the box body, a skidproof pad at the bottom of the box body, a gas regulating element and a precooling temperature regulating element on the two symmetrical side wall walls of the box body, wherein the box body, the box cover, the sealing rubber ring between the box body and the box cover form relatively independent fruit and vegetable storage and transportation fresh-keeping microenvironment, the skidproof convex disc/skidproof pad at the bottom of the box cover, the skidproof sliding frame on the inner side wall of the box body, the skidproof pad at the bottom of the box body and the grid type lifting box three-dimensional inner package placed in the box body form a shockproof damping and damping loss reducing structure unit of the fruit and vegetable storage and transportation link, the gas regulating element on the two symmetrical side walls of the box body comprises a plurality of gas holes on the wall surfaces, the one-way ventilation valve with selective ventilation is pasted or the one-way ventilation film is provided, the special self-sealing film with selective ventilation enables a sealed box body and stored fruits and vegetables to form a gas microenvironment to form a single, double, triple or multiple gas regulation and control structural unit in the process of storage and transportation according to the characteristics of the stored fruits and vegetables, a porous shockproof anti-skid element protruding inwards in the middle of the outer wall of the box body and a self-sealing film with selective humidity regulation function form a structural unit with an automatic precooling function, and the box cover, the box body, a sealing rubber ring of the box body, a grid type lifting box three-dimensional inner package arranged in the box body and an air regulation element on the wall of the box body form an anti-condensation unit after the box body is taken out of a warehouse.

According to the above-mentioned patent, this patent does not have the component of carrying out gaseous replenishment in to the box, to the change that leads to the box internal environment in the external gas gets into the box, causes the storage effect of agricultural product not good very easily, can lead to the damage of agricultural product for a long time, consequently, needs a device that can in time replenish the gas according to the change of environment in the fresh-keeping incasement at present.

Disclosure of Invention

In order to solve the technical problem, the air-conditioning composite fresh-keeping box for the agricultural products is provided, and the air-conditioning device supplements and adjusts the air in the fresh-keeping box, so that the air in the fresh-keeping box is always in an environment suitable for storing the agricultural products, the storage effect of the agricultural products is better, and the quality is not easily influenced.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:

the invention provides an air-conditioning composite fresh-keeping box for agricultural products, which comprises a box body, a plurality of fresh-keeping boxes and air-conditioning devices, wherein the number of the air-conditioning devices is equal to that of the plurality of the fresh-keeping boxes, the box body is of a cylindrical structure, a plurality of partition plates are arranged in the box body, fan-shaped cavities are formed between every two adjacent partition plates, a fresh-keeping box capable of being pulled out is arranged in each fan-shaped cavity, the air-conditioning devices are arranged on the outer side of the box body, each fan-shaped cavity is provided with one air-conditioning device, each air-conditioning device comprises a gas storage chamber, a baffle and an air supplementing mechanism, the gas storage chamber is communicated with the fan-shaped cavities, the baffle is arranged at the position where the gas storage chamber is communicated with the fan-shaped cavities, the air supplementing mechanism is arranged on the gas storage chamber, and one gas sensor is also arranged in each fan-shaped cavity.

Preferably, the gas storage chamber is the bar box structure, forms airtight cavity between gas storage chamber and the box, and the lateral wall of box is offered and is used for the breach of fan-shaped cavity and the mutual intercommunication of airtight cavity, and the baffle is the iron plate material, and the baffle can be vertical removal on the breach of box, and the bottom of baffle still outwards extends to have one to be convenient for stir the stirring piece of the vertical removal of baffle to the inboard top of gas storage chamber still is equipped with the magnet that can hold the baffle.

Preferably, tonifying qi mechanism includes needle tubing and test tube, and the needle tubing sets up respectively in the top and the bottom of gaseous apotheca with the test tube, coaxial setting between needle tubing and the test tube, and the opening that communicates with the test tube is seted up to the bottom of gaseous apotheca, and opening department is equipped with screw portion to the mouth of pipe threaded connection of test tube is on screw portion, and the needle tubing still passes through mounting bracket fixed mounting on gaseous apotheca.

Preferably, the needle tubing comprises body and depression bar, and the tip of body is equipped with one and passes the syringe needle that the gas storage room inserted in the test tube, and the needle mouth diameter of syringe needle is less than the mouth of pipe diameter of test tube, and the one end of depression bar is inserted in the body, and the outside end of depression bar is for pressing the end to the end that inserts of depression bar still is equipped with a rubber buffer, and the diameter of rubber buffer equals the internal diameter of body, and the first half of body still is equipped with a filling opening.

Preferably, the air supply mechanism comprises a bag, the bag is arranged on the outer surface of the gas storage chamber, the edge of the bag is fixedly connected with the outer surface of the gas storage chamber, a gas storage cavity is formed between the bag and the gas storage chamber, a gap used for communicating the gas storage cavity and the closed cavity is further formed in the outer surface of the gas storage chamber, and a drawing plate capable of shielding the gap and drawing out is further arranged at the gap.

Preferably, the bag is provided with an air charging port, and the air charging port is also provided with a plug head capable of blocking the air charging port.

Preferably, the shape of preservation box is the shape that agrees with fan-shaped cavity, and the preservation box still is sandwich structure, and the preservation box comprises storage layer and refrigeration layer, and storage layer fixed mounting all is equipped with the dull polish layer on the internal surface upper end of storing two straight edges on layer to the arc limit of storing the layer has still seted up a plurality of air vent.

Preferably, the top that the top of box is located every fan-shaped cavity all is equipped with a fan-shaped case lid that is used for airtight preservation box, and the bottom surface of every fan-shaped case lid all is equipped with seal ring, all is equipped with an air inlet and an air outlet on every fan-shaped case lid, still all is equipped with a closing cap on every air inlet and the air outlet to the arc limit of every fan-shaped case lid still all downwardly extending has the flange, still is equipped with on the lateral wall of box and compresses tightly the elasticity card of fan-shaped case lid with every flange cooperation.

Preferably, the bottom of the box body is provided with a shockproof base, and the upper end of the box body is also provided with a hand-held rod.

Preferably, an acousto-optic alarm is mounted on the box body beside each gas sensor, and each acousto-optic alarm is electrically connected with the corresponding gas sensor.

Compared with the prior art, the application has the beneficial effects that:

1. this application is through the gaseous replenishment and the regulation in the gas adjusting device to the crisper, has realized that the gas in the crisper is in the environment that is fit for the agricultural product to store always, and it is better to have guaranteed that agricultural product stores the effect, is difficult for influencing the quality, through the setting of a plurality of crispers for can store different agricultural products, avoid different agricultural products to influence the quality under same gas environment, be unsuitable for storing together, improve the storage volume of agricultural product and the storage effect of agricultural product.

2. This application has realized the derivation that carbon dioxide can control in gaseous apotheca through the effect of baffle, avoids carbon dioxide to carry in the preservation box always and leads to the unable regulation of gas in the preservation box to reach suitable gaseous environment, has realized the regulation to gas.

3. This application drips into the operation of hydrochloric acid in the limestone powder of in vitro through the needle tubing for thereby hydrochloric acid and limestone powder take place chemical reaction and produce carbon dioxide gas, have realized the supply to carbon dioxide gas, are powdered through the limestone, have increased the area of hydrochloric acid with the contact of limestone powder, have improved the efficiency that carbon dioxide produced.

4. This application has realized that thereby hydrochloric acid can accurately drip into the test tube and take place chemical reaction with limestone powder and make carbon dioxide gas through the mode that the syringe needle of needle tubing inserted the test tube.

5. This application has realized the supply to the interior carbon dioxide gas of freshness preservation box through the mode of prestoring carbon dioxide gas in the bag.

6. This application is through the chock plug to the opening and the closure of gas filling port, realized the leading-in and the storage to carbon dioxide gas.

7. This application has realized carrying out the air conditioning when depositing agricultural product and keeping fresh through the structure on the layer of preserving the box and refrigeration layer, and through seting up of a plurality of through-hole on the layer of preserving, the carbon dioxide gas of being convenient for can enter into smoothly and preserve the layer in, and the effectual realization is transferred the atmosphere to the environment in the agricultural product and is kept fresh.

8. This application is sealed through fan-shaped case lid to the preservation box, has realized that agricultural product in the preservation box can reach suitable storage environment.

9. This application has realized guaranteeing not to take place to damage in the agricultural product transportation when portable to the transportation of box through the portable pole of box installation and shockproof base.

10. This application has realized in time obtaining the perception to the gas in the freshness preservation box through the cooperation between gas sensor and the reputation siren, guarantees that the gas in the freshness preservation box is in the fresh-keeping concentration of suitable agricultural product always.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is a front view of the present invention;

FIG. 4 is a cross-sectional view taken at B-B of FIG. 3;

FIG. 5 is a schematic perspective view of the box body and the preservation box;

FIG. 6 is an exploded perspective view of the housing and the crisper;

FIG. 7 is a schematic perspective view of the fresh keeping box;

FIG. 8 is a front view of the crisper;

FIG. 9 is a cross-sectional view taken at C-C of FIG. 8;

FIG. 10 is a schematic perspective view of the air conditioning apparatus;

FIG. 11 is a schematic perspective view of a first embodiment of the gas compensation mechanism;

FIG. 12 is a front view of FIG. 11;

FIG. 13 is a cross-sectional view taken at D-D of FIG. 12;

FIG. 14 is a schematic perspective view of a second embodiment of the gas supply mechanism;

fig. 15 is an exploded perspective view of fig. 14.

The reference numbers in the figures are:

1-a box body; 1 a-a separator; 1a 1-sector shaped cavity; 1 b-sector case cover; 1b 1-air inlet; 1b 2-outlet; 1b 3-cover; 1b 4-convex plate; 1 c-a flexible card; 1 d-a shock-proof base; 1 e-a portable pole;

2-a preservation box; 2 a-a storage layer; 2a 1-vent; 2 b-a refrigeration layer;

3-air conditioning device; 3 a-a gas reservoir; 3a 1-magnet; 3 b-a baffle; 3 c-a gas supplementing mechanism; 3c 1-needle cannula; 3c 11-tube; 3c 12-pressure bar; 3c 13-needle; 3c 14-rubber stopper; 3c 15-filling opening; 3c 2-test tube; 3c 3-pouch; 3c 31-gas addition port; 3c 32-plug; 3c 4-draw plate;

4-a gas sensor;

5-acousto-optic alarm.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

In order to solve the technical problem of how to perform modified atmosphere preservation on agricultural products, as shown in fig. 1-6, the following preferred technical scheme is provided:

the utility model provides an agricultural product air-conditioning composite fresh-keeping box, including box 1 and a plurality of crisper 2 and with a plurality of crisper 2 equal quantity air-conditioning device 3, box 1 is the tubular structure, the inside of box 1 is equipped with a plurality of baffles 1a and every two adjacent baffles 1a between all form fan-shaped cavity 1a1, every fan-shaped cavity 1a1 all has put a crisper 2 that can pull out, air-conditioning device 3 installs in the outside of box 1 and every fan-shaped cavity 1a1 department all has an air-conditioning device 3, this air-conditioning device 3 is including the gas storage chamber 353 a that sets up with fan-shaped cavity 1a1 intercommunication and the baffle 3b that sets up in gas storage chamber 3a and fan-shaped cavity 1a1 intercommunication department and the tonifying qi mechanism 3c that sets up on gas storage chamber 3a, still all install a gas sensor 4 in every fan-shaped cavity 1a 1.

Specifically, when agricultural products are stored, an operator places the agricultural products in the preservation boxes 2, and the preservation boxes 2 are provided with a plurality of preservation boxes, so that the operator can place different agricultural products in the preservation boxes 2, each preservation box 2 is internally provided with a gas sensor 4 for sensing the change of the gas environment in the preservation box 2, after the agricultural products are placed in the preservation boxes 2, the operator firstly injects carbon dioxide gas into the preservation boxes 2 and then extracts a proper amount of gas from the preservation boxes 2, the gas in the preservation boxes 2 is ensured to reach the environment suitable for agricultural product storage through the sensing of the gas sensors 4, a plurality of independent fan-shaped cavities 1a1 are formed in the box body 1 through a plurality of partition plates 1a, each preservation box 2 is enabled to be located in an independent fan-shaped cavity 1a1, the phenomenon of gas communication cannot occur, when the box body 1 is transported, the box body is transported for a long time, in order to ensure that the gas environment in the preservation box 2 is always in a normal state, after the gas sensor 4 senses the change of the gas in the preservation box 2, the baffle 3b is changed from a closed state to an open state, so that when the air supplementing mechanism 3c supplements carbon dioxide gas in the gas storage chamber 3a, the carbon dioxide gas can enter the preservation box 2 through the gas storage chamber 3a until the gas sensor 4 senses the proper concentration of the carbon dioxide gas in the preservation box 2, the baffle 3b closes the transmission of the carbon dioxide gas, so that the carbon dioxide gas is remained in the gas storage chamber 3a, after the next supplement of the gas, the agricultural products in the preservation box 2 are taken out, and when the preservation box 2 needs to be cleaned, because the preservation box 2 is arranged in the fan-shaped cavity 1a1 in a drawing way, an operator can conveniently draw out the preservation box 2 and put the preservation box 2 back after cleaning the preservation box, thereby ensuring that the storage effect of agricultural products is good.

Further, in order to solve the technical problem of how to introduce the gas into the fresh food box 2 in the gas storage chamber, as shown in fig. 10, the following preferred technical solutions are provided:

gaseous apotheca 3a is the bar box structure, form airtight cavity between gaseous apotheca 3a and the box 1, the lateral wall of box 1 is offered and is used for the breach of fan-shaped cavity 1a1 and the mutual intercommunication of airtight cavity, baffle 3b is the iron plate material, baffle 3b can be vertical removal on the breach of box 1, baffle 3 b's bottom still outwards extends has one and is convenient for stir the stirring piece of the vertical removal of baffle 3b, and the inboard top of gaseous apotheca 3a still is equipped with the magnet 3a1 that can hold baffle 3 b.

Specifically, when the gas supplementing mechanism 3c supplements gas to the gas storage chamber 3a, the end of the baffle 3b is adsorbed on the magnet 3a1 in the gas storage chamber 3a, the baffle 3b is in a closed state after being adsorbed by the magnet 3a1, because the gas storage chamber 3a forms a closed cavity through the closed state of the baffle 3b, the supplemented carbon dioxide gas is in the closed cavity, and after the baffle 3b is manually opened by an operator to be away from the magnet 3a1, the carbon dioxide gas enters the preservation box 2 along with the carbon dioxide gas, so that the carbon dioxide gas is supplemented in the preservation box 2.

Further, in order to solve the technical problem of how the gas replenishing mechanism 3c replenishes the gas in the gas storage chamber 3a, as shown in fig. 11 to 13, the following preferred technical solutions are provided:

air supplement mechanism 3c includes needle tubing 3c1 and test tube 3c2, needle tubing 3c1 sets up respectively at the top and the bottom of gas reservoir 3a with test tube 3c2, coaxial setting between needle tubing 3c1 and the test tube 3c2, the opening that communicates with test tube 3c2 is seted up to the bottom of gas reservoir 3a, opening department is equipped with screw thread portion, and test tube 3c 2's mouth of pipe threaded connection is on screw thread portion, needle tubing 3c1 still passes through mounting bracket fixed mounting on gas reservoir 3 a.

Specifically, the operator stores hydrochloric acid in the needle tube 3c1, limestone powder in the test tube 3c2, when it is necessary to generate carbon dioxide gas in the gas storage chamber 3a, the operator manually operates the needle tube 3c1, drops part of the hydrochloric acid in the needle tube 3c1 onto the limestone powder in the test tube 3c2, the hydrochloric acid and the limestone powder generate chemical reaction to generate carbon dioxide gas, the carbon dioxide gas is stored in the gas storage chamber 3a and is supplied to the preservation box 2 for supplement, when the carbon dioxide gas in the gas storage chamber 3a is used up, the limestone powder in the test tube 3c2 needs to be supplemented, and after the operator removes the test tube 3c2, the chemical product in the test tube 3c2 is poured out to supplement new limestone powder, since hydrochloric acid remains in the syringe 3c1, it is not necessary to replenish it, and it is ensured that the gas supply can be maintained in the gas storage chamber 3 a.

Further, in order to solve the technical problem of how the needle tube 3c1 accurately guides the hydrochloric acid into the test tube 3c2, as shown in fig. 13, the following preferable technical solutions are provided:

the needle tube 3c1 comprises a tube body 3c11 and a pressure lever 3c12, the end of the tube body 3c11 is provided with a needle 3c13 inserted into the test tube 3c2 through the gas storage chamber 3a, the needle opening diameter of the needle 3c13 is smaller than the tube opening diameter of the test tube 3c2, one end of the pressure lever 3c12 is inserted into the tube body 3c11, the outward end of the pressure lever 3c12 is a pressing end, the insertion end of the pressure lever 3c12 is also provided with a rubber stopper 3c14, the diameter of the rubber stopper 3c14 is equal to the inner diameter of the tube body 3c11, and the upper half part of the tube body 3c11 is also provided with a filling opening 3c 15.

Specifically, an operator presses the pressing end of the pressing rod 3c12, so that the insertion end of the pressing rod 3c12 is pressed downwards in the tube body 3c11, the rubber plug 3c14 wraps the insertion end of the pressing rod 3c12, gas inflow during pressing is prevented, hydrochloric acid in the tube body 3c11 drops out from the needle 3c13 along with the pressing of the pressing rod 3c12, the needle 3c13 is inserted into the tube 3c2, hydrochloric acid can accurately drop into the tube 3c2, the caliber of the needle 3c13 is smaller than that of the tube 3c2, carbon dioxide gas can flow out along the tube 3c2 after being generated, when the hydrochloric acid in the tube body 3c11 is used up, the operator draws the pressing rod 3c12 outwards until the rubber plug 3c14 of the pressing rod 3c12 is positioned at one end of the tube body 3c11 far away from the needle 3c13, and fills the tube 11 with the hydrochloric acid through the opening 3c 4623, the hydrochloric acid is prevented from being positioned on the rubber stopper 3c14 and being unable to be pushed out when being poured.

Further, in order to solve the technical problem of how the gas replenishing mechanism 3c replenishes the gas in the gas storage chamber 3a, as shown in fig. 14 and 15, the following preferred technical solutions are provided:

the air supply mechanism 3c comprises a bag 3c3, the bag 3c3 is arranged on the outer surface of the air storage chamber 3a, the edge of the bag 3c3 is fixedly connected with the outer surface of the air storage chamber 3a, an air storage cavity is formed between the bag 3c3 and the air storage chamber 3a, the outer surface of the air storage chamber 3a is further provided with a gap for communicating the air storage cavity and the closed cavity, and the gap is further provided with a drawing plate 3c4 which can shield the gap and can draw out the gap.

Specifically, an operator introduces carbon dioxide gas into the bag 3c3 in advance, the carbon dioxide gas is in the gas storage cavity, when the drawing plate 3c4 is drawn out, the carbon dioxide gas can enter the gas storage chamber 3a through the notch, and when the drawing plate 3c4 and the baffle 3b are both in an open state, the carbon dioxide gas in the bag 3c3 sequentially enters the fresh keeping box 2 through the bag 3c3 and the gas storage chamber 3 a.

Further, in order to solve the technical problem of how to add carbon dioxide gas into the bag 3c3, as shown in fig. 15, the following preferred technical solutions are provided:

the bag 3c3 is provided with an air charging opening 3c31, and the air charging opening 3c31 is also provided with a plug 3c32 which can block the air charging opening 3c 31.

Specifically, when the carbon dioxide gas is introduced into the bag 3c3, the operator opens the stopper 3c32, introduces the carbon dioxide gas into the bag 3c3 through the introducing port 3c31, stops the introduction of the carbon dioxide gas until the bag 3c3 swells to a certain extent, and then plugs the stopper 3c32 at the introducing port 3c31 so that the carbon dioxide gas cannot leak through the introducing port 3c 31.

Further, in order to solve the technical problem of how the preservation box 2 preserves the freshness of agricultural products, as shown in fig. 7 to 9, the following preferred technical solutions are provided:

the shape of preservation box 2 is the shape that agrees with fan-shaped cavity 1a1, and preservation box 2 still is sandwich structure, and preservation box 2 comprises storage layer 2a and refrigeration layer 2b, and storage layer 2a fixed mounting all is equipped with the dull polish layer on the internal surface upper end of storing two straight flanges on layer 2a on refrigeration layer 2b to a plurality of air vent has still been seted up on the arc limit of storing layer 2 a.

Specifically, after the agricultural products are put into the preservation box 2, the agricultural products are placed in a preservation storage layer 2a, a refrigeration layer 2b preserves the agricultural products in the storage layer 2a for emitting cold air, because the preservation box 2 is of a sandwich structure, an operator fills a pre-frozen nontoxic coolant into a sandwich layer between the refrigeration layer 2b and the storage layer 2a, then seals the space between the refrigeration layer 2b and the storage layer 2a to avoid the outflow of the nontoxic coolant, thereby realizing the preservation of the agricultural products, carbon dioxide gas enters the preservation box 2 through a gas storage chamber 3a for gas regulation, and because a plurality of vent holes are formed in the surface of the preservation box 2, the carbon dioxide gas can enter the preservation box 2 through a plurality of vent holes to complete the supplement of the carbon dioxide gas in the preservation box 2, when the operator takes out the preservation box 2 for cleaning, because there is the dull polish layer on fresh-keeping and the internal surface upper end, consequently, operating personnel can conveniently take out preservation box 2 and can not take place the phenomenon of skidding.

Further, in order to solve the technical problem of how to seal the top of the fresh food box 2, as shown in fig. 5 and 6, the following preferred technical solutions are provided:

the top of the box body 1, which is located at the top end of each fan-shaped cavity 1a1, is provided with a fan-shaped box cover 1b for sealing the preservation box 2, the bottom surface of each fan-shaped box cover 1b is provided with a sealing gasket, each fan-shaped box cover 1b is provided with an air inlet 1b1 and an air outlet 1b2, each air inlet 1b1 and each air outlet 1b2 are provided with a sealing cover 1b3, the arc-shaped edge of each fan-shaped box cover 1b extends downwards to form a convex plate 1b4, and the side wall of the box body 1 is provided with an elastic clamping piece 1c which is matched with each convex plate 1b4 to compress the fan-shaped box cover 1 b.

Specifically, after storing agricultural products into the preservation box 2, the operator covers the fan-shaped box cover 1b at the top of the preservation box 2, the sealing gasket on the ground of the fan-shaped box cover 1b is pressed on the top end of the preservation box 2, so that the preservation box 2 has a sealing effect, the convex plate 1b4 at one end of the fan-shaped box cover 1b is pressed on the side wall of the box body 1 through the elastic clamping sheet 1c, so that the fan-shaped box cover 1b cannot fall off, when introducing carbon dioxide into the preservation box 2 and performing air regulation, the operator introduces carbon dioxide into the preservation box 2 through the air inlet 1b1, in order to ensure that the concentration of the carbon dioxide in the preservation box 2 reaches a proper degree under the detection of the gas sensor 4, therefore, the operator extracts the carbon dioxide in the preservation box 2 through the air outlet 1b2 until the concentration of the carbon dioxide in the preservation box 2 reaches a proper environment for storing the agricultural products, the operator stops introducing and discharging the carbon dioxide gas, and the operator covers the inlet 1b1 and the outlet 1b2 with the cover 1b3, thereby preventing the carbon dioxide gas from escaping.

Further, in order to solve the technical problem of how to conveniently carry the case 1, as shown in fig. 3, the following preferred technical solutions are provided:

the bottom of the box body 1 is provided with a shockproof base 1d, and the upper end of the box body 1 is also provided with a hand-held rod 1 e.

Specifically, when carrying box 1, operating personnel can carry box 1 through portable pole 1e, when carrying on conveyor is arranged in to box 1, because the shockproof base 1d of box 1 bottom, consequently, box 1 also can remain stable when carrying, has avoided the damage of the interior agricultural product of box 1.

Further, in order to solve the technical problem how the operator knows that the gas environment for keeping the agricultural products fresh is abnormal, as shown in fig. 2, the following preferred technical solutions are provided:

an acousto-optic alarm 5 is arranged on the side of each gas sensor 4 on the box body 1, and each acousto-optic alarm 5 is electrically connected with the corresponding gas sensor 4.

Specifically, when the gaseous environment in the preservation box 2 appears unusually, gas sensor 4 can give acousto-optic alarm 5 with the gas signal transmission who senses, thereby acousto-optic alarm 5 sends the police dispatch newspaper sound, reminds operating personnel to need to adjust the gas in the preservation box 2.

This application is through the gaseous replenishment and the regulation in the device 3 is to the crisper 2 of gas transfer, realized that the gas in the crisper 2 is in the environment that is fit for the agricultural product to store always, it is better to have guaranteed that the agricultural product stores the effect, difficult influence quality, setting through a plurality of crispers 2, make and to store different agricultural products, avoid different agricultural products to influence the quality under same gas environment, unsuitable storage is in the same place, the storage volume of agricultural product and the storage effect of agricultural product have been improved, the gas transfer of agricultural product is kept fresh.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An air-conditioning composite fresh-keeping box for agricultural products is characterized by comprising a box body (1), a plurality of fresh-keeping boxes (2) and air-conditioning devices (3) which are the same in number with the plurality of fresh-keeping boxes (2), wherein the box body (1) is of a cylindrical structure, a plurality of partition plates (1a) are arranged in the box body (1), fan-shaped cavities (1a1) are formed between every two adjacent partition plates (1a), a fresh-keeping box (2) capable of being drawn out is arranged in each fan-shaped cavity (1a1), the air-conditioning devices (3) are arranged on the outer side of the box body (1), each fan-shaped cavity (1a1) is provided with one air-conditioning device (3), each air-conditioning device (3) comprises a gas storage chamber (3a) communicated with the fan-shaped cavity (1a1), a baffle plate (3b) arranged at the communication position of the gas storage chamber (3a) and the fan-shaped cavity (1a1) and an air-conditioning mechanism (3c) arranged on the gas storage chamber (3a), a gas sensor (4) is also arranged in each fan-shaped cavity (1a 1).

2. The controlled atmosphere composite fresh-keeping box for agricultural products of claim 1, characterized in that the gas storage chamber (3a) is a strip-shaped box structure, a closed cavity is formed between the gas storage chamber (3a) and the box body (1), a gap for communicating the fan-shaped cavity (1a1) with the closed cavity is formed in the side wall of the box body (1), the baffle (3b) is made of iron plate, the baffle (3b) can vertically move on the gap of the box body (1), a poking block convenient for poking the baffle (3b) to vertically move extends outwards from the bottom end of the baffle (3b), and a magnet (3a1) capable of attracting the baffle (3b) is further arranged at the top of the inner side of the gas storage chamber (3 a).

3. An agricultural product modified atmosphere composite fresh-keeping box according to claim 1, characterized in that, the air supply mechanism (3c) comprises a needle tube (3c1) and a test tube (3c2), the needle tube (3c1) and the test tube (3c2) are respectively arranged at the top and the bottom of the gas storage chamber (3a), the needle tube (3c1) and the test tube (3c2) are coaxially arranged, the bottom of the gas storage chamber (3a) is provided with a through port communicated with the test tube (3c2), the through port is provided with a threaded portion, the tube mouth of the test tube (3c2) is in threaded connection with the mounting rack, and the needle tube (3c1) is also fixedly arranged on the gas storage chamber (3 a).

4. An air-conditioning composite fresh-keeping box for agricultural products according to claim 3, characterized in that the needle tube (3c1) is composed of a tube body (3c11) and a pressing rod (3c12), the end of the tube body (3c11) is provided with a needle (3c13) inserted into the tube (3c2) through the gas storage chamber (3a), the diameter of the needle opening of the needle (3c13) is smaller than the diameter of the tube opening of the tube (3c2), one end of the pressing rod (3c12) is inserted into the tube body (3c11), the outward end of the pressing rod (3c12) is a pressing end, the insertion end of the pressing rod (3c12) is further provided with a rubber plug (3c14), the diameter of the rubber plug (3c14) is equal to the inner diameter of the tube body (3c11), and the upper half part of the tube body (3c11) is further provided with a filling opening (3c 15).

5. An agricultural product controlled atmosphere composite fresh-keeping box according to claim 1, wherein the air supply mechanism (3c) comprises a bag (3c3), the bag (3c3) is arranged on the outer surface of the gas storage chamber (3a), the edge of the bag (3c3) is fixedly connected with the outer surface of the gas storage chamber (3a), a gas storage cavity is formed between the bag (3c3) and the gas storage chamber (3a), the outer surface of the gas storage chamber (3a) is further provided with a gap for communicating the gas storage cavity and the closed cavity, and the gap is further provided with a drawing plate (3c4) which can shield the gap and can be drawn out.

6. An air-conditioning composite fresh-keeping box for agricultural products, as claimed in claim 5, characterized in that the bag (3c3) is provided with an air inlet (3c31), and the air inlet (3c31) is further provided with a plug (3c32) capable of blocking the air inlet (3c 31).

7. The controlled atmosphere composite fresh-keeping box for agricultural products according to claim 1, characterized in that the shape of the fresh-keeping box (2) is matched with the shape of the fan-shaped cavity (1a1), the fresh-keeping box (2) is also of a sandwich structure, the fresh-keeping box (2) is composed of a storage layer (2a) and a refrigeration layer (2b), the storage layer (2a) is fixedly installed on the refrigeration layer (2b), the upper ends of the inner surfaces of the two straight sides of the storage layer (2a) are both provided with a frosting layer, and the arc-shaped side of the storage layer (2a) is also provided with a plurality of vent holes.

8. An air-conditioned composite fresh-keeping box for agricultural products according to claim 1, characterized in that the top of the box body (1) is provided with a fan-shaped box cover (1b) for sealing the fresh-keeping box (2) at the top end of each fan-shaped cavity (1a1), the bottom of each fan-shaped box cover (1b) is provided with a sealing gasket, each fan-shaped box cover (1b) is provided with an air inlet (1b1) and an air outlet (1b2), each air inlet (1b1) and each air outlet (1b2) are provided with a sealing cover (1b3), the arc edge of each fan-shaped box cover (1b) is extended downwards to form a convex plate (1b4), and the side wall of the box body (1) is provided with an elastic clamping piece (1c) which is matched with each convex plate (1b4) to press the fan-shaped box cover (1 b).

9. Controlled atmosphere composite fresh-keeping box for agricultural products according to claim 8, characterized in that the bottom of the box body (1) is provided with a shockproof base (1d), and the upper end of the box body (1) is also provided with a hand-held rod (1 e).

10. Controlled atmosphere composite fresh-keeping box for agricultural products according to claim 1, characterized in that an acousto-optic alarm (5) is mounted on the box body (1) beside each gas sensor (4), and each acousto-optic alarm (5) is electrically connected with the corresponding gas sensor (4).