CN219205833U

CN219205833U - Quick thawing apparatus for frozen food

Info

Publication number: CN219205833U
Application number: CN202320853243.4U
Authority: CN
Inventors: 张振峰; 薛山; 王志鹏
Original assignee: Qingdao Zhongtai Yixin Technology Co ltd
Current assignee: Qingdao Zhongtai Yixin Technology Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-06-20
Anticipated expiration: 2033-04-17

Abstract

The application discloses quick thawing apparatus of frozen food to solve the slow, the overlength of thawing time that water thawing that prior art exists leads to the great problem of nutrient composition loss. The application comprises the following steps: the defrosting area is provided with a main control console and a magnetron driver from the outside, and a magnetron, a waveguide tube and a conveyor belt are sequentially arranged from top to bottom in the defrosting area; the detector is arranged at the inlet of the conveyor belt and used for detecting the size of frozen food on the conveyor belt so as to judge the water content of the frozen food; the controller is electrically connected with the magnetron driver and the detector respectively; the method and the device utilize microwave energy to defrost frozen products on the conveying belt, so that the frozen products are quickly and uniformly defrosted, and the defrosting quality is good; the thawing process for large-batch frozen foods is realized through the arrangement of the conveyor belt, the application range is wide, the thawing speed is high, the thawing efficiency is high, and the water resource and the cost of purified water are saved.

Description

Quick thawing apparatus for frozen food

Technical Field

The application relates to the technical field of food processing, in particular to a quick thawing device for frozen food.

Background

The frozen food is easy to preserve and is widely used for producing, transporting and storing perishable foods such as meat, poultry, aquatic products, milk, eggs, vegetables, fruits and the like; nutrition, convenience, sanitation and economy; the market demand is large, plays an important role in developed countries, and develops rapidly in developing countries.

It is well known in the food processing industry that thawing procedures are required before frozen foods can be reprocessed. The existing thawing method is usually water thawing, frozen food is put into water, the food is soaked by the water, and the food is thawed by oneself, and the thawing method takes a long time and cannot be taken at any time; meanwhile, the frozen products are thawed from outside to inside, so that not only is the thawing speed low, but also the original nutritional ingredients of the frozen food are lost greatly due to the fact that the thawing time is too long, and the frozen food is easy to pollute. In addition, water stains can fall everywhere when water thaws, resulting in great hygienic problems.

Disclosure of Invention

Therefore, the application provides a frozen food quick thawing device to solve the problem that the thawing speed of water thawing is slow, the thawing time is too long, and the loss of nutrient components is large in the prior art.

In order to achieve the above object, the present application provides the following technical solutions:

the quick frozen food thawing device comprises a thawing area, wherein a main control console and a magnetron driver are arranged outside the thawing area, a magnetron, a waveguide tube and a conveyor belt are sequentially arranged inside the thawing area from top to bottom, and the magnetron driver is used for controlling the work of the magnetron; the magnetrons are positioned at the same horizontal height and are arranged at intervals; the entrance of the conveyor belt is provided with a detector for detecting the size of frozen food on the conveyor belt so as to judge the water content of the frozen food;

the main control console comprises a controller, a first output end of the controller is electrically connected with an input end of the magnetron driver, a second output end of the controller is electrically connected with an input end of the conveyor belt, and a first input end of the controller is electrically connected with an output end of the detector.

Optionally, the thawing area further comprises a shielding cover for preventing leakage of microwaves in the thawing area.

Optionally, the magnetron and waveguide are located at an upper portion of the shield and the conveyor is located at a lower portion of the shield.

Optionally, the front end and the rear end of the conveyor belt are respectively provided with a first camera and a second camera, and the output end of the first camera and the output end of the second camera are respectively electrically connected with the second input end and the third input end of the controller.

Optionally, the detector is an infrared sensor, and the infrared sensor is electrically connected with the controller.

Optionally, the magnetrons are magnetron arrays, and the magnetrons of each row and each column are arranged at equal intervals.

Optionally, the material of the conveyor belt is a nonmetallic material.

Optionally, the controller is a PLC controller.

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

1. the application provides a frozen food quick thawing device, which comprises a thawing area, wherein a main control console and a magnetron driver are arranged outside the thawing area, and a magnetron, a waveguide tube and a conveyor belt are sequentially arranged inside the thawing area from top to bottom; a detector is arranged at the inlet of the conveyor belt to judge the water content of the frozen food; the controller is electrically connected with the magnetron driver and the detector respectively; microwave generated by the magnetron is transmitted to an upper area of frozen food through the waveguide tube and then radiated to the frozen food, and water molecules in the thawed food are resonated through the microwave, so that heat is generated for thawing; the method and the device utilize microwave energy to defrost frozen products on the conveying belt, so that the frozen products are quickly and uniformly defrosted, and the defrosting quality is good; the thawing process of a large quantity of frozen foods is realized through the arrangement of the conveyor belt, the application range is wide, the thawing speed is high, and the thawing efficiency is high, so that the original nutritional ingredient loss of the frozen foods is less; meanwhile, water is not used, so that water resources and the cost of purifying water are saved.

2. The utility model provides a still be provided with the shield cover for prevent revealing of microwave in the district that unfreezes, carried out effective protection to operating personnel, guaranteed operating personnel's security.

3. The first camera and the second camera are arranged at the front end and the rear end of the conveyor belt respectively, and the volumes of frozen foods before and after thawing are detected respectively, so that the water content of the frozen foods before and after thawing is judged.

Drawings

For a more visual illustration of the prior art and the present application, several exemplary drawings are presented below. It should be understood that the specific shape and configuration shown in the drawings should not be considered in general as limiting upon the practice of the present application; for example, based on the technical concepts and exemplary drawings disclosed herein, those skilled in the art have the ability to easily make conventional adjustments or further optimizations for the add/subtract/assign division, specific shapes, positional relationships, connection modes, dimensional scaling relationships, etc. of certain units (components).

FIG. 1 is a schematic diagram of an architecture provided in one embodiment of the present application;

fig. 2 is a block diagram of the circuit shown in fig. 1.

Reference numerals illustrate:

1. a thawing zone; 101. a magnetron; 102. a waveguide; 103. a conveyor belt; 104. a detector; 105. a shield;

2. a main control station; 201. a controller;

3. a magnetron driver; 4. a first camera; 5. and a second camera.

Detailed Description

The present application is further described in detail below with reference to the attached drawings.

In the description of the present application: unless otherwise indicated, the meaning of "a plurality" is two or more. The terms "first," "second," "third," and the like in this application are intended to distinguish between the referenced objects without a special meaning in terms of technical connotation (e.g., should not be construed as emphasis on degree or order of importance, etc.). The expressions "comprising", "including", "having", etc. also mean "not limited to" (certain units, components, materials, steps, etc.).

The terms such as "upper", "lower", "left", "right", "middle", and the like, as referred to in this application, are generally used for convenience in visual understanding with reference to the drawings, and are not intended to be an absolute limitation of the positional relationship in actual products. Such changes in relative positional relationship are considered to be within the scope of the present description without departing from the technical concepts disclosed herein.

An embodiment of this application, a frozen food quick thawing apparatus is applied to on the production line of industry, realizes the thawing process of frozen food in batches through this thawing apparatus, has the advantage that thawing effect is good, and thawing speed is fast.

As shown in fig. 1 and 2, the quick frozen food thawing device provided by the application comprises a thawing area 1, wherein a main control console 2 and a magnetron driver 3 are arranged outside the thawing area 1, a magnetron 101, a waveguide 102 and a conveyor belt 103 are sequentially arranged inside the thawing area from top to bottom, the main control console 2 is a digital control console, and can control the work of the magnetron driver 3, and then the work of the magnetron 101 is controlled through the magnetron driver 3;

the magnetrons 101 are positioned at the same horizontal level and are arranged at intervals; a detector 104 is arranged at the inlet of the conveyor belt 103 and is used for detecting the size of the frozen food on the conveyor belt 103 so as to judge the water content of the frozen food; the dimensions detected by the detector 104 are the length, width and thickness of the frozen food, and the volume of the frozen food is calculated by using the detected dimensions, so that the water content of the frozen food is calculated, and the water content generally accounts for 70% of the volume;

the main control console 2 comprises a controller 201, wherein the controller 201 is a PLC controller, namely a programmable logic controller; the first output end of the controller 201 is electrically connected with the input end of the magnetron driver 3, the second output end of the controller 201 is electrically connected with the input end of the conveyor belt 103, specifically, the controller 201 is electrically connected with a driving motor on the conveyor belt 103, and the transmission of the conveyor belt 103 is realized by controlling the driving motor; a first input of the controller 201 is electrically connected to an output of the detector 104, as shown in fig. 2.

In this embodiment, the thawing area 1 further includes a shielding case 105, which is used to prevent leakage of microwaves in the thawing area 1, so as to effectively protect operators, ensure use safety of the operators, and not affect the outside; the magnetron 101, the waveguide 102, the conveyor 103, and the detector 104 are all disposed in a shield 105, as shown in fig. 1.

The thawing speed and degree of frozen food can be controlled in two ways, one is that the operation of the magnetron 101 (the power and the operation time of the magnetron 101 are controlled) is controlled by the magnetron driver 3 to achieve the thawing speed and degree required for frozen food, specifically, the thawing degree of frozen food is controlled by controlling the operation time of the magnetron 101, for example, controlling the operation of the magnetron 101 for 5s and then stopping for 1s, or controlling the operation of the magnetron 101 for 10s and then stopping for 1s, etc.; second, the operation speed or operation time of the conveyor belt 103 is controlled by the main control console 2 to achieve the thawing speed and degree required for frozen foods.

Preferably, the magnetron 101 and the waveguide 102 are located at an upper portion of the shield 105, and the conveyor 103 is located at a lower portion of the shield 105.

Preferably, the front end and the rear end of the conveyor belt 103 are respectively provided with a first camera 4 and a second camera 5, namely, the first camera 4 and the second camera 5 are respectively arranged at the inlet and the outlet of the conveyor belt 103 along the transportation direction of frozen foods, and the first camera 4 and the second camera 5 respectively detect the volumes of the frozen foods before and after thawing so as to judge the water content of the frozen foods before and after thawing; the output end of the first camera 4 and the output end of the second camera 5 are respectively electrically connected with the second input end and the third input end of the controller 201, as shown in fig. 2.

Preferably, the detector 104 is an infrared sensor for capturing the size of the frozen food product; the infrared sensor is electrically connected to the controller 201. Of course, the detector 104 may be a camera, as long as the size of the frozen food can be collected.

Preferably, the magnetrons 101 are an array of magnetrons 101 arranged in a plurality of rows and columns, for example, m x n in a sequence in the shield 105, and the magnetrons 101 of each row and column are equally spaced. Of course, the array of magnetrons 101 may be varied, and may be disposed in an upper region of the interior of the shield 105 according to practical situations, and the intervals between the magnetrons 101 may be varied.

When the magnetrons 101 actually work, the power of each magnetron 101 is controlled according to the actual situation, the specific defrosting mode is not unique, and part of the magnetrons 101 or all the magnetrons 101 can be started according to the defrosting requirement. For example, the power of each magnetron 101 may be set to be the same; the power of the magnetrons 101 in the middle region can also be set to be the same, but larger than that of the magnetrons 101 on the two sides; or alternatively, for some small volumes of frozen food products, may be configured to be irradiated alternately.

Preferably, the material of the conveyor belt 103 is a nonmetallic material.

In use, the above embodiment works as follows:

an operator firstly enters a thawing area 1 (in a shielding cover 105), frozen foods are placed on a conveyor belt 103, then outside the thawing area 1, the thawing process in the thawing area 1 is monitored through a main control console 2, and the conveyor belt 103 and a magnetron driver 3 can be controlled to control the work of a magnetron 101; the volume of frozen food placed at the entrance of the conveyor 103 is detected by the detector 104 (infrared sensor) and then fed back to the controller 201, and the controller 201 controls the magnetron 101 above the conveyor 103 to generate microwaves (2450 MHz) through the magnetron driver 3, and passes the microwaves to the upper region of the frozen food through the waveguide 102, and then irradiates the frozen food, and thaws the frozen food by heating; when the conveyor belt is transported again, the frozen foods placed thereon are transported sequentially and thawed sequentially through the magnetrons 101 arranged sequentially; when the frozen food reaches the outlet, detecting the volume of the unfrozen food through the second camera 5 at the outlet, and feeding back the detection result to the controller 201;

the controller 201 determines whether the current water content of the food exceeds a preset value, and if it is determined that the current water content is higher than the preset value, the food is placed at the entrance of the conveyor belt 103 again, and meanwhile, the controller 201 sends a corresponding control signal to the magnetron driver 3 or the conveyor belt 103, so that the magnetron 101 continues to heat, and the food is continuously thawed until the water content of the food reaches the preset value.

The method utilizes microwave energy to penetrate the frozen products, and the frozen products on the conveying belt are thawed, so that the frozen products are thawed quickly and uniformly, and the thawing quality is good; the thawing process of large-batch frozen foods is realized through the arrangement of the conveyor belt, the application range is wide, the thawing speed is high, and the thawing efficiency is high; meanwhile, water is not used, so that water resources and the cost of purifying water are saved; and the thawing non-uniformity phenomenon generated by the fixed positions of the wave crest and the wave trough is avoided by the magnetron driver.

Any combination of the technical features of the above embodiments may be performed (as long as there is no contradiction between the combination of the technical features), and for brevity of description, all of the possible combinations of the technical features of the above embodiments are not described; these examples, which are not explicitly written, should also be considered as being within the scope of the present description.

The foregoing has outlined and detailed description of the present application in terms of the general description and embodiments. It should be appreciated that numerous conventional modifications and further innovations may be made to these specific embodiments, based on the technical concepts of the present application; but such conventional modifications and further innovations may be made without departing from the technical spirit of the present application, and such conventional modifications and further innovations are also intended to fall within the scope of the claims of the present application.

Claims

1. The quick frozen food thawing device is characterized by comprising a thawing area, wherein a main control console and a magnetron driver are arranged outside the thawing area, a magnetron, a waveguide tube and a conveyor belt are sequentially arranged inside the thawing area from top to bottom, and the magnetron driver is used for controlling the work of the magnetron; the magnetrons are positioned at the same horizontal height and are arranged at intervals; the entrance of the conveyor belt is provided with a detector for detecting the size of frozen food on the conveyor belt so as to judge the water content of the frozen food;

2. The frozen food quick thawing apparatus as recited in claim 1, wherein the thawing zone further comprises a shield for preventing leakage of microwaves within the thawing zone.

3. The rapid thawing apparatus for frozen foods according to claim 2, wherein the magnetron and the waveguide are positioned at an upper portion of the shield, and the conveyor is positioned at a lower portion of the shield.

4. A frozen food quick thawing apparatus according to any of claims 1-3, wherein a first camera and a second camera are respectively provided at the front and rear ends of the conveyor belt, and the output end of the first camera and the output end of the second camera are respectively electrically connected with the second input end and the third input end of the controller.

5. A frozen food quick thawing apparatus according to any of claims 1-3, wherein the detector is an infrared sensor electrically connected to the controller.

6. The frozen food quick thawing apparatus as recited in claim 1, wherein a plurality of the magnetrons are in a magnetron array and a plurality of magnetrons of each row and each column are disposed at equal intervals.

7. The rapid thawing apparatus for frozen foods according to claim 1, wherein the conveyor belt is made of a nonmetallic material.

8. The rapid thawing apparatus for frozen foods according to claim 1, wherein the controller is a PLC controller.