Precooling postharvest processor for fruits and vegetables

Abstract

The invention belongs to the technical field of fresh-keeping treatment, and particularly discloses a fruit and vegetable pre-cooling postharvest processor which comprises a box body, a box cover, a pre-cooling unit, a fumigating and sterilizing unit and at least one group of placing racks, the upper side of the box body is open, and the box cover is used for sealing the upper side of the box body; the placing rack is placed in the box body and is used for placing fruits and vegetables; the pre-cooling unit is communicated with the box body and is used for pre-cooling fruits and vegetables in the box body; the fumigating and sterilizing unit is used for fumigating and sterilizing fruits and vegetables in the box body, the fumigating and sterilizing unit comprises a sterilizing gas storage device and a gas spraying assembly, sterilizing gas is stored in the sterilizing gas storage device, and the gas spraying assembly is installed in the box body and connected with the sterilizing gas storage device; the box body is further provided with an air outlet, and a first one-way air outlet valve is arranged at the air outlet. Precooling and sterilization are completed in one box body, so that the treatment time is saved, and the damage to the fruits and vegetables caused by transferring once again is avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of fresh-keeping processing, and in particular relates to a fruit and vegetable pre-cooling and post-harvest processing machine. Background Art

[0002] Fresh fruits and vegetables remain living organisms even after being picked, undergoing a metabolic process dominated by respiration. Separated from their mother plant, their energy and material supply are disrupted, forcing them to rely on their own carbohydrates, pectin, vitamins, organic acids, and other substances to maintain life, resulting in a decline in vegetable quality. Precooling is an effective measure to quickly remove field heat, inhibit respiration, and maintain vegetable freshness. However, precooling alone still fails to meet hygienic microbial load requirements for fruits and vegetables. To address this, technologies combining precooling with sterilization (e.g., ozone, UV radiation) have been developed. However, current technologies often involve UV sterilization before or after precooling, ozone water immersion followed by precooling, or ozone gas backpressure sterilization. Separate precooling and sterilization equipment is required, necessitating a transfer between the two. This leads to lengthy and cumbersome operations, and further damage to the fruits and vegetables during transfer. Summary of the Invention

[0003] The object of the present invention is to provide a fruit and vegetable pre-cooling and post-harvest processing machine to solve the problem in the prior art that the pre-cooling and sterilization equipment are separate, so a transfer is required in the middle, which results in long operation time, cumbersome operation, and damage to fruits and vegetables during the transfer process.

[0004] In order to achieve the above-mentioned purpose, the technical solution of the present invention is as follows: a fruit and vegetable pre-cooling and post-harvest processing machine comprises a box body, a box cover, a pre-cooling unit, a fumigation and sterilization unit and at least one group of placement racks, the upper side of the box body is open, and the box cover is used to seal the upper side of the box body; the placement rack is placed in the box body, and the placement rack is used to place fruits and vegetables; the pre-cooling unit is connected to the box body and is used to pre-cool the fruits and vegetables in the box body; the fumigation and sterilization unit is used to fumigate and sterilize the fruits and vegetables in the box body, and the fumigation and sterilization unit comprises a sterilizing gas storage device and a gas spraying assembly, the sterilizing gas storage device stores sterilizing gas, and the gas spraying assembly is installed in the box body and connected to the sterilizing gas storage device; the box body is also provided with an air outlet, and the air outlet is provided with a first one-way air outlet valve;

[0005] The bottom of the box cover is provided with a groove structure that matches the top of the box body; the box cover and the box body are connected through a connecting assembly; two groups of mounting blocks are respectively provided on both sides of the top of the box cover, and the mounting blocks on both sides correspond to each other one by one; the connecting assembly includes two groups of connecting parts, each group of the connecting parts includes a handle, a rotating rod, two groups of hooks and two groups of fixing rods, and the two sides of the rotating rods of the two groups of the connecting parts are respectively rotatably connected to the mounting blocks on both sides; the handle is fixed on the rotating rod; the two groups of hooks in each group of the connecting parts are respectively fixed on both sides of the rotating rod; the two groups of fixing rods in each group of the connecting parts are respectively fixed on both sides of the box body, and the hooks on the hook bodies can hook the fixing rods to realize the connection between the box cover and the box body.

[0006] Furthermore, the placement rack includes a frame body and several groups of support rods. The frame body includes a rectangular frame and four groups of support columns. The four groups of support columns are respectively fixed at the four corners of the rectangular frame; the support rods are arranged in parallel in sequence and installed in the rectangular frame.

[0007] Furthermore, the placement racks are provided in multiple groups, and the multiple groups of placement racks are arranged vertically.

[0008] Furthermore, the support column of the lowermost placement rack is fixed in the box; the support column of the upper placement rack is placed on the support rod of the lower placement rack, and a notch matching the support rod is provided below the support column.

[0009] Furthermore, the bottom of the box is provided with supporting feet.

[0010] Furthermore, handles are provided on both sides of the box.

[0011] Furthermore, the pre-cooling unit adopts a vacuum pre-cooling machine, a pressure difference pre-cooling machine or a cold storage.

[0012] Furthermore, a temperature sensor is provided in the box.

[0013] Furthermore, a sealing member is provided in the groove structure.

[0014] The beneficial effects of this technical solution are:

[0015] ① In this technical solution, pre-cooling and sterilization are completed in one box, saving processing time and avoiding damage to fruits and vegetables caused by further transportation.

[0016] ② The handle in this technical solution can facilitate the removal of the box cover, and by rotating the handle, the hook body can be driven by the rotating rod to hook the fixed rod, thereby realizing the connection between the box cover and the box body.

[0017] ③ In this technical solution, more fruits and vegetables can be processed by setting up multi-layer placement racks, and the upper placement rack is placed on the lower placement rack, so it can be placed layer by layer, which is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the first external structure of the fruit and vegetable pre-cooling and post-harvest processing machine of the present invention;

[0019] Figure 2 This is a schematic diagram of the second external structure of the fruit and vegetable pre-cooling and post-harvest processing machine of the present invention.

[0020] Figure 3 This is a schematic diagram of the internal structure of the fruit and vegetable pre-cooling and post-harvest processing machine of the present invention. DETAILED DESCRIPTION

[0021] The following is further described in detail through specific implementation methods:

[0022] The reference numerals in the drawings of the specification include: box body 1, box cover 2, support foot 3, handle 4, handle 5, rotating rod 6, hook body 7, fixing rod 8, support column 9, rectangular frame 10, support rod 11, water collecting trough 12, and mounting block 13.

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] The embodiment is basically as shown in the attached Figure 1-3 As shown: The fruit and vegetable pre-cooling and post-harvest processing machine includes a box body 1, a box cover 2, a pre-cooling unit, a fumigation and sterilization unit, and at least one set of placement racks. The bottom of the box body 1 is provided with support legs 3, the upper side of the box body 1 is open, and the box cover 2 is used to seal the upper side of the box body 1. Handles 4 are provided on both sides of the box body 1 to facilitate the transportation of the box body 1. Figure 3 As shown, the placement rack is placed in the box body 1, and the placement rack is used to place fruits and vegetables; the placement rack includes a rack body and several groups of support rods 11, the rack body includes a rectangular frame 10 and four groups of support columns 9, and the four groups of support columns 9 are respectively fixed at the four corners of the rectangular frame 10; the support rods 11 are arranged in parallel in sequence and installed in the rectangular frame 10, and the support rods 11 can be fixed to the rectangular frame 10 or can be rotatably connected. There are multiple groups of placement racks, and the multiple groups of placement racks are arranged vertically. The support columns 9 of the lowest placement rack are fixed in the box body 1; the support columns 9 of the upper placement rack are placed on the support rods 11 of the lower placement rack, and the support columns 9 are provided below with slots matching the support rods 11. A water collection tank 12 is provided below the lowest placement rack.

[0025] The pre-cooling unit is connected to the cabinet 1 and is used to pre-cool the fruits and vegetables in the cabinet 1. A temperature sensor is installed in the cabinet 1. The pre-cooling unit adopts a vacuum pre-cooler, a pressure differential pre-cooler, or a cold storage. When a vacuum pre-cooler is used, the cabinet 1 in this solution is a vacuum pre-cooling cabinet; when a pressure differential pre-cooler is used, the cabinet 1 in this solution is a pressure differential pre-cooling cabinet; when a cold storage is used, the cabinet 1 in this solution is a cold storage cabinet 1.

[0026] The fumigation and sterilization unit is used to sterilize fruits and vegetables within the housing 1. It includes a sterilizing gas reservoir containing sterilizing gas (ozone, chlorine dioxide, peracetic acid, etc.) and a gas spray assembly. The gas reservoir is installed within the housing 1 (it can be installed on the side) and connected to the sterilizing gas reservoir. The gas outlet of the sterilizing gas reservoir is connected to a second one-way gas outlet valve and a flow control valve. The housing 1 is also provided with a gas outlet equipped with a first one-way gas outlet valve. The gas outlet is connected to a pipeline that can transport the gas to a gas treatment device for processing.

[0027] The bottom of the box lid 2 is provided with a groove structure that matches the top of the box body 1; the box lid 2 and the box body 1 are connected via a connecting assembly; two sets of mounting blocks 13 are provided on either side of the top of the box lid 2, with the mounting blocks 13 on each side corresponding to each other. The connecting assembly includes two sets of connecting parts, each of which includes a handle 5, a rotating rod 6, two sets of hooks 7, and two sets of fixed rods 8. The two sides of the rotating rods 6 of the two connecting parts are rotatably connected to the mounting blocks 13 on either side; the handle 5 is fixed to the rotating rod 6. The upper sides of the two sets of hooks 7 in each connecting part are fixed to the two sides of the rotating rod 6; the two sets of fixed rods 8 in each connecting part are fixed to the two sides of the box body 1, and the hooks on the lower sides of the hooks 7 can hook onto the fixed rods 8 to connect the box lid 2 to the box body 1. A seal is provided in the groove structure.

[0028] It also includes a control system, which is connected to the pre-cooling unit, the second one-way air outlet valve, the flow regulating valve, the temperature sensor, and the first one-way air outlet valve for control and data transmission.

[0029] The specific implementation process is as follows:

[0030] Place the fruits and vegetables that need to be processed on the lowest support rod 11. After placement is completed, place another set of placement racks on the lower support rod 11 so that the notches of the upper support columns 9 match the support rods 11, and then place the fruits and vegetables that need to be processed on this set of support rods 11, and so on, until all placement racks are placed or the fruits and vegetables that need to be processed are placed.

[0031] The lid 2 is then placed on top of the box body 1, so that the groove structure of the lid 2 matches the upper side of the box body 1. The two sets of handles 5 are then separated, causing the rotating rod 6 and hook 7 to rotate inward, so that the hook 7 hooks onto the fixing rod 8, thus connecting the lid 2 to the box body 1. Increasing the rotational friction between the rotating rod 6 and the mounting block 13 can prevent the rotating rod 6 from rotating unexpectedly.

[0032] Then the pre-cooling unit is started to pre-cool the fruits and vegetables in the box 1, and the temperature sensor detects the temperature in the box 1.

[0033] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0034] The above is only an embodiment of the present invention. Common knowledge such as the known specific structures and characteristics in the scheme is not described in detail here. Ordinary technicians in the field are aware of all common technical knowledge in the technical field of the invention before the application date or priority date, can obtain all existing technologies in the field, and have the ability to apply conventional experimental means before that date. Ordinary technicians in the field can improve and implement this scheme in combination with their own abilities under the inspiration given by this application. Some typical known structures or known methods should not become obstacles for ordinary technicians in the field to implement this application. It should be pointed out that for those skilled in the art, without departing from the structure of the present invention, several variations and improvements can be made, which should also be regarded as the scope of protection of the present invention. These will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. Fruit and vegetable pre-cooling and post-harvest processing machine, characterized by: The invention comprises a box body (1), a box cover (2), a pre-cooling unit, a fumigation sterilization unit and at least one set of placement racks, wherein the upper side of the box body (1) is open, and the box cover (2) is used to seal the upper side of the box body (1); the placement rack is placed in the box body (1), and is used to place fruits and vegetables; the pre-cooling unit is connected to the box body (1) and is used to pre-cool the fruits and vegetables in the box body (1); the fumigation sterilization unit is used to fumigate and sterilize the fruits and vegetables in the box body (1), and the fumigation sterilization unit comprises a sterilization gas storage device and a gas spraying assembly, wherein sterilization gas is stored in the sterilization gas storage device, and the gas spraying assembly is installed in the box body (1) and connected to the sterilization gas storage device; the box body (1) is also provided with an air outlet, and a first one-way air outlet valve is provided at the air outlet; The bottom of the box cover (2) is provided with a groove structure matching the top of the box body (1); the box cover (2) and the box body (1) are connected through a connecting assembly; two groups of mounting blocks (13) are respectively provided on both sides of the top of the box cover (2), and the mounting blocks (13) on both sides correspond to each other; the connecting assembly includes two groups of connecting parts, each group of the connecting parts includes a handle (5), a rotating rod (6), two groups of hook bodies (7) and two groups of fixed (8) rods, and the two sides of the rotating rods (6) of the two groups of the connecting parts are respectively rotatably connected to the mounting blocks (13) on both sides; the handle (5) is fixed (8) on the rotating rod (6); the two groups of hook bodies (7) of each group of the connecting parts are respectively fixed (8) on both sides of the rotating rod (6); the two groups of fixed (8) rods of each group of the connecting parts are respectively fixed (8) on both sides of the box body (1), and the hooks on the hook bodies (7) can hook the fixed (8) rods to realize the connection between the box cover (2) and the box body (1).

2. The fruit and vegetable pre-cooling and post-harvest processing machine according to claim 1, characterized in that: The placement rack comprises a frame body and several groups of support rods (11), wherein the frame body comprises a rectangular frame (10) and four groups of support columns (9), wherein the four groups of support columns (9) are respectively fixed (8) at the four corners of the rectangular frame (10); and the support rods (11) are sequentially arranged in parallel and installed in the rectangular frame (10).

3. The fruit and vegetable pre-cooling and post-harvest processing machine according to claim 2, characterized in that: The placement racks are provided in multiple groups, and the multiple groups of the placement racks are arranged vertically.

4. The fruit and vegetable pre-cooling and post-harvest processing machine according to claim 3, characterized in that: The support column (9) of the lowermost placement rack is fixed (8) in the box (1); the support column (9) of the upper placement rack is placed on the support rod (11) of the lower placement rack, and a notch matching the support rod (11) is provided below the support column (9).

5. The fruit and vegetable pre-cooling and post-harvest processing machine according to claim 1, characterized in that: The bottom of the box body (1) is provided with supporting feet (3).

6. The fruit and vegetable pre-cooling and post-harvest processing machine according to claim 1, characterized in that: Handles (4) are respectively provided on both sides of the box body (1).

7. The fruit and vegetable pre-cooling and post-harvest processing machine according to claim 1, characterized in that: The pre-cooling unit adopts a vacuum pre-cooling machine, a pressure difference pre-cooling machine or a cold storage.

8. The fruit and vegetable pre-cooling and post-harvest processing machine according to claim 1, characterized in that: A temperature sensor is provided in the box (1).

9. The fruit and vegetable pre-cooling and post-harvest processing machine according to claim 1, characterized in that: A sealing element is provided in the groove structure.

Images