CN214668480U - Nut food shelf life testing arrangement - Google Patents

Abstract

The utility model relates to the technical field of food shelf life test, in particular to a nut food shelf life test device, which comprises a cabinet body, wherein a plurality of test boxes are arranged in the cabinet body, and the test boxes are used for carrying out accelerated destructive test and/or long-term stability test; the plurality of environmental parameter adjusting systems are respectively matched with the plurality of test boxes one by one; the controller is connected with the environmental parameter adjusting system; and the controller controls the environmental parameter adjusting system to adjust the corresponding environmental condition parameters in the test box according to the preset environmental condition parameters. The quality guarantee period testing device for the nut food can perform accelerated destructive test and long-term stability test at the same time, test more accurate quality guarantee period of the nut product in a shorter time, simplify quality guarantee period detection flow and greatly shorten detection time; and the tests among a plurality of test boxes do not interfere with each other, and the accuracy of the tests is improved.

Description

Nut food shelf life testing arrangement

Technical Field

The utility model relates to a food shelf life test technical field especially relates to a nut food shelf life testing arrangement.

Background

The nut food is subjected to automatic oxidation, photooxidation and hydrolytic oxidation under the influence of external factors such as temperature, moisture, illumination and the like in the processes of storage, transportation and sale, so that the peroxide value and the acid value of the product exceed the standard, and the quality of the product is influenced. Therefore, the quality guarantee period of the product can be determined more accurately according to the test method listed in the general guidance for the quality guarantee period of the food of T/CNFIA 001 issued by the Chinese food industry Association, so as to ensure that the product meets the national requirements in the quality guarantee period.

The existing food shelf life determining method mainly comprises an empirical method, a literature method, a reference method, a long-term stability testing method and an accelerated destructive testing method, but because the nut food has different raw material quality, processing technology, formula, storage and transportation conditions and the like, the shelf life error determined by adopting the first three methods is relatively large, and the long-term stability testing method has extremely long testing time period and needs a large amount of manpower and material resources; the accelerated destructive test method is easy to cause the test result to be not accurate due to the improper selection of the test environmental conditions and the test times. Therefore, an accelerated destructive test method and a long-term stability test method are usually combined at present, but the conventional test device can only carry out an accelerated destructive test or a long-term stability test once, so that the test time is too long, and the test cost is high.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a nut food shelf life testing device capable of simultaneously performing accelerated destructive testing and long-term stability testing.

In order to achieve the above purpose, the utility model provides a technical scheme as follows:

a nut food shelf life testing apparatus comprising: the test cabinet comprises a cabinet body, wherein a plurality of test boxes are arranged in the cabinet body, and the test boxes can be used for carrying out accelerated destructive tests and/or long-term stability tests; the environment parameter adjusting systems are respectively matched with the test boxes one by one; the controller is connected with the environmental parameter adjusting system; and the controller controls the environmental parameter adjusting system to adjust the corresponding environmental condition parameters in the test box according to preset environmental condition parameters.

The device can be used for simultaneously carrying out accelerated destructive test and long-term stability test, testing a relatively accurate product quality guarantee period in a short time, simplifying the quality guarantee period detection process and greatly shortening the detection time; furthermore, the tests among a plurality of test boxes do not interfere with each other, and the accuracy of the tests is improved.

In one embodiment, the environment parameter adjusting system is provided with a communication channel which is communicated with the corresponding test box; and the environment parameter adjusting system is used for preparing mixed air with corresponding temperature and humidity according to the preset environment condition parameters in the controller, and the mixed air is circularly conveyed into the corresponding test box from the communication channel.

It can be understood that, the required temperature of environmental parameter governing system preparation, the mixed air of humidity, the test box that will mix the air input and correspond is interior and export to the environmental parameter governing system in, form the circulation wind channel, realize the regulation of temperature and humidity in the test box, and through the temperature humidity of mixed air conditioning food week side, and not directly through setting up equipment such as heater, humidifier in the test box, can make the temperature humidity control of test box more balanced, it is higher to avoid food local temperature humidity, the influence detects the precision.

In one embodiment, the test box is provided with a vent hole communicated with the communication channel, and an air blowing device is arranged outside the vent hole.

It will be appreciated that the air blowing device enhances the air flow within the test chamber, so that the air flows faster within the air preparation chamber and the test chamber, and so that the temperature and humidity regulation within the test chamber is more accurate.

In one embodiment, the environmental parameter adjustment system includes a temperature adjustment device, the temperature adjustment device including: heating equipment, refrigerating equipment and a temperature sensor; the controller is according to the control that preset temperature corresponds heating equipment refrigeration plant adjusts the temperature in the test box, temperature sensor real-time supervision the temperature in the test box to with temperature data transmission extremely the controller is supplementary the controller control heating equipment the common temperature regulation of refrigeration plant is until reaching preset temperature value.

It can be understood that the temperature in the test box can be adjusted through heating equipment and refrigeration equipment, the temperature change in the test box can be monitored in real time through the temperature sensor, so that the temperature sensor can transmit temperature data to the controller, the controller compares the real-time temperature in the test box with the preset temperature, and then the temperature in the test box reaches the preset temperature value through adjusting and controlling the heating equipment and the refrigeration equipment until the temperature in the test box.

In one embodiment, the environmental parameter adjusting system further comprises a humidity adjusting device, wherein the humidity adjusting device comprises a humidifying device, a dehumidifying device and a humidity sensor; the controller is according to the control that preset humidity corresponds humidification equipment with dehumidification equipment adjusts humidity in the test box, humidity transducer real-time supervision humidity in the test box to with temperature data transmission extremely the controller is supplementary the controller control humidification equipment with dehumidification equipment adjusts humidity jointly until reaching preset humidity value.

It can be understood that, through the humidity in the adjustable test box of humidity control device, but the humidity change in the real-time supervision test box through humidity transducer to humidity transducer can be with humidity data transmission to controller, real-time humidity in the controller contrast test box with predetermine humidity, and then the temperature of regulation and control humidification equipment and dehumidification equipment regulation test box reaches predetermined temperature value until the temperature in the test box.

In one embodiment, the humidifying device comprises a humidifying boiler, a submersible pump and a water tank, wherein the humidifying boiler pumps water in the water tank through the submersible pump to evaporate and prepare water vapor.

In one embodiment, the environmental parameter adjusting system further includes an illumination lamp, and the illumination lamp is disposed in the test box corresponding to the environmental parameter adjusting system.

It will be appreciated that the illumination lamps are used to change the lighting conditions within the test chamber and facilitate the observation of conditions within the test chamber by the test person.

In one embodiment, each test box is further provided with a recording system, the recording system is connected with the controller, and the controller controls the recording system to monitor and record the environmental condition parameters in the test box in real time.

It can be understood that the recording system is arranged, the environmental condition parameters in the test box are monitored and recorded in real time, so that a tester can conveniently obtain test data, observe test results and improve test efficiency.

In one embodiment, the test box is provided with a communication interface, and the controller is connected with a computer through the communication interface.

In one embodiment, each test box is internally provided with a plurality of space-adjustable commodity shelves and commodity plates.

In one embodiment, the test boxes are provided with observation windows.

In one embodiment, the test chamber is externally coated with an insulating material.

It can be understood that the test box is coated with the heat insulation material to ensure the heat insulation performance of the test box and avoid the mutual influence between the test boxes.

Drawings

Fig. 1 is a schematic view of a nut food shelf life testing apparatus according to an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of a shelf life testing apparatus for nut food according to an embodiment of the present invention.

Description of reference numerals:

1. a cabinet body; 2. a test box; 3. a liquid crystal touch screen; 4. a communication interface; 5. a temperature sensor; 6. a humidity sensor; 7. a water tank; 8. a rack; 9. a storage plate; 10. an illuminating lamp; 11. an observation window; 12. A vent hole; 13. a blower device; 14. a micro printing recorder; 15. an audible and visual alarm; 16. a universal wheel; 17. testing the box door; 18. a refrigeration device; 19. a communication channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, the utility model provides a nut food shelf life testing device, which comprises a cabinet body 1, wherein a plurality of testing boxes 2 are arranged in the cabinet body 1, and each testing box 2 can be used for accelerated destructive test and/or long-term stability test; the environment parameter adjusting system is respectively matched with the test boxes 2 one by one; each environment parameter adjusting system adjusts the environment parameters in the corresponding test box 2, and the test boxes 2 are not affected by each other; the environment parameter adjusting system is connected with the plurality of environment parameter adjusting systems and respectively controls the environment parameter adjusting systems to adjust the corresponding environment condition parameters in the test box 2 according to the preset environment condition parameters. Wherein the environmental conditions include temperature, humidity, illumination, pressure, etc.

Aiming at the process that the nut food is easily affected by temperature, humidity and illumination to accelerate oxidation after being processed, the device for testing the quality guarantee period of the food is provided, the device can be used for simultaneously carrying out accelerated destructive test and long-term stability test, the tests among a plurality of test boxes 2 are not interfered with each other, and the test accuracy is improved; through this device, can carry out a plurality of experiments simultaneously, test out comparatively accurate product shelf life in short time, simplify the flow that the shelf life detected, shorten check-out time by a wide margin, especially to the test of nut food, nut food is difficult rotten, and test time is longer, and it is more important to shorten test time.

The quality guarantee period testing device provided by the application is not limited to the quality guarantee period testing of nut food, is also suitable for the quality guarantee period testing of other food, and for different foods, only the corresponding environmental condition parameters required by food detection are needed to be adjusted, the corresponding accelerated destructive test and the long-term stability test are completed, and the corresponding calculation formula and/or model are selected according to different foods, so that the quality guarantee period of the corresponding food can be analyzed and calculated.

The accelerated destructive test is that a food sample is placed in one or more environments with external factors such as temperature, humidity, air pressure and illumination higher than normal level, so that the sample is promoted to reach a deterioration end point within a time shorter than normal deterioration time, and then each data of the sample in the deterioration process is periodically detected and collected, and after analysis and calculation, the shelf life of the food under the expected storage environment parameters is calculated.

The long-term stability test reasonably sets laboratory detection and sensory evaluation time points by simulating environmental condition parameters such as temperature, humidity, illumination and the like in the actual storage, transportation, sale, eating and the like, takes out various test indexes (such as data of peroxide value, acid value and the like in the detected nuts) detected by partial samples at each time point, analyzes and compares the change conditions between the time points, can conclude a change rule and find an unacceptable deterioration endpoint of the food, wherein the deterioration endpoint is the quality guarantee period.

Specifically, in this embodiment, three test boxes 2 are provided, wherein the volume of one test box 2 is larger than the volume of the other two test boxes 2, and the large test box 2 is mainly used for performing a long-term stability test, and the long-term stability test consumes a very long time, so that a single use of more foods is performed. The other two test boxes 2 are used for carrying out accelerated destructive tests, changing different environmental condition parameters, simultaneously carrying out a plurality of accelerated destructive tests and improving the test efficiency. Of course, in other embodiments, the number of test cases 2 is not limited to the above, and for example, four test cases 2 may be provided.

In this embodiment, referring to fig. 1, each test box 2 is provided with a communication interface 4, the controller is connected to the computer through the communication interface 4, and the computer can remotely monitor each test box 2, and also can remotely obtain experimental data and timely download and store experimental data.

In this embodiment, refer to fig. 2, all be provided with a plurality of interval adjustable supporter 8 and put thing board 9 in every test box 2, wherein set up a plurality of interval adjustable couples on the supporter 8 for the food of suspender packing bag, put thing board 9 and be used for placing canned food, thereby guarantee that different packing specification nut food can place according to the regulation.

In this embodiment, referring to fig. 2, the test box 2 is provided with observation windows 11, and the experimenter can check the test condition in the test box 2 through the observation windows 11.

In this embodiment, the test box 2 is preferably further coated with a heat insulating material to ensure the heat insulating performance of the test box 2 and avoid the mutual influence between the test boxes 2.

In this embodiment, it is preferable that the environmental parameter adjustment system includes a communication channel 19, and the communication channel 19 communicates with the corresponding test box 2; the environment parameter adjusting system prepares mixed air with corresponding temperature and humidity according to environment condition parameters preset in the controller, the mixed air is circularly conveyed into the corresponding test box 2 from the communicating channel 19, and after passing through a sample to be tested, the mixed air returns to the communicating channel 19 and is heated and/or humidified by the environment parameter adjusting system to adjust the temperature and the humidity, and then the mixed air is circularly circulated to the test box 2 so as to form a circulating air channel in a reciprocating manner. Through temperature and humidity in the mixed air circulation regulation and control test box 2, rather than directly through setting up equipment such as heater, humidifier in test box 2, can be so that the temperature humidity control in test box 2 is more balanced, is favorable to realizing the even regulation of food week side temperature and humidity, avoids food local temperature humidity higher, influences the detection precision.

Further, set up on the test box 2 with the ventilation hole 12 of intercommunication passageway intercommunication, ventilation hole 12 position department outside test box 2 is provided with air-blast device 13, strengthen the air flow in test box 2 through air-blast device 13 for air flow is faster in air preparation case and the test box 2, makes the temperature and humidity in the air preparation incasement and the test box 2 reach unanimously as far as, thereby adjusts temperature and humidity more accurately fast in the test box 2.

In this embodiment, the environmental parameter adjustment system includes at least a temperature adjustment device, and the temperature adjustment device includes: heating equipment (not shown in the figure), refrigeration equipment 18, temperature sensor 5; wherein heating equipment, refrigeration plant 18, temperature sensor 5 all are connected with the controller, and temperature sensor 5 is used for the temperature in real-time supervision test box 2 to with temperature data transmission to controller, real-time temperature and the temperature of predetermineeing in the controller contrast test box 2, the switching and the operating power of control heating equipment, refrigeration plant 18, adjust the temperature jointly until reaching the temperature value of predetermineeing. Wherein heating equipment and refrigeration plant set up outside test box 2, and temperature sensor 5 sets up in test box 2, the real-time temperature in the monitoring test box 2 that can be more accurate. Of course, in other embodiments, heating and cooling devices may be provided within test chamber 2.

Specifically, in this embodiment, the heating device adopts a far-infrared nickel alloy high-speed heating electric heater, and the refrigeration device 18 adopts a plurality of sets of totally enclosed refrigeration compressor sets to realize refrigeration, but in other embodiments, the specific structures of the heating device and the refrigeration device 18 are not limited to the above, and for example, an electromagnetic heater, a steam injection refrigeration device, and the like may also be adopted.

In this embodiment, the environmental parameter adjustment system further includes a humidity adjustment device, and the humidity adjustment device includes a humidification device, a dehumidification device, and a humidity sensor 6; the controller is respectively connected with the humidifying equipment, the dehumidifying equipment and the humidity sensor 6, and controls the opening and closing of the humidifying equipment and the working power. The specific control flow is that the humidity sensor 6 monitors the humidity in the test box 2 in real time, transmits humidity data to the controller, the controller compares real-time humidity parameters with a preset humidity value, and the corresponding control humidification equipment and dehumidification equipment jointly adjust the humidity in the test box 2 until the preset humidity value is reached; when the humidity value is smaller than the preset value, the controller controls the humidifying equipment to prepare water vapor to increase the air humidity value.

Specifically, the humidifying equipment comprises a humidifying boiler, a submersible pump and a water tank 7, wherein the humidifying boiler pumps water in the water tank 7 through the submersible pump to evaporate and prepare water vapor; in the embodiment, a plurality of humidifying devices share one water tank 7, so that the devices in the nut food shelf life testing device are simplified, the size is reduced, and the occupied area of the device is reduced.

Specifically, in the present embodiment, the humidifying device, the dehumidifying device, the heating device, and the refrigerating device 18 are disposed in the communicating channel 19, and mixed air of a desired temperature and humidity is prepared in the communicating channel 19. Of course, in other embodiments, the specific installation locations of the devices for adjusting the environmental parameters, such as the humidifying device, the dehumidifying device, the heating device, and the cooling device 18, are not limited to the above, for example, an air preparation box may be disposed in the cabinet, and the environment adjusting system may prepare the mixed air in the air preparation box.

In this embodiment, referring to fig. 2, the environmental parameter adjusting system further includes an illuminating lamp 10, and the illuminating lamp 10 is disposed in the testing box 2 corresponding to the environmental parameter adjusting system, and is used for changing the illumination condition in the testing box 2 and facilitating the observation of the condition in the testing box 2 by the tester.

In this embodiment, the nut food shelf life testing device is further equipped with a protection alarm system, and the protection alarm system specifically includes an audible and visual alarm 15 and a humidification device water shortage alarm, a blower device overload protection, a refrigeration device overpressure protection, a test box 2 overtemperature protection and the like. Wherein, audible-visual annunciator 15 sets up in cabinet body 1 top, and when the equipment trigger alarm condition in the environmental conditioning system, audible-visual annunciator 15 sent alarm information, and the tester of being convenient for in time learns.

In this embodiment, every test box 2 still is equipped with recording system, and recording system is connected with the controller, and the environmental condition parameter in controller control recording system real-time supervision and the record test box 2 is convenient for the tester to obtain experimental data, and the observation test result improves experimental efficiency.

Specifically, in this embodiment, the recording system at least includes a time accumulator and a micro print recorder 14, wherein a test period is determined according to a test, the time accumulator is used for timing, a time node reaching the test period is provided, the time accumulator automatically gives an alarm to prompt, and a tester can take out a part of products in the test box 2 in a fixed test period to detect, and check whether the products reach a bad change point. The micro printing recorder 14 is used for printing out environmental parameter data such as historical temperature, humidity and the like and a curve graph, and is convenient for testers to obtain test data.

In this embodiment, the controller includes a chip having a data processing function, such as a single chip microcomputer and a microprocessor; specifically, the controller in this embodiment further includes a liquid crystal touch screen 3 disposed on the cabinet body 1, each test box is equipped with a liquid crystal touch screen 3, the tester inputs the preset environmental parameters set by the corresponding test box 2 on the liquid crystal touch screen 3, and the tester can also refer to the real-time environmental parameters in each test box 2 in the liquid crystal touch screen 3.

In this embodiment, referring to fig. 1, the bottom of the cabinet 1 is provided with a universal wheel 16 with a locking device, so as to facilitate moving the cabinet 1.

The features of the above embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above embodiments are not described, but should be construed as being within the scope of the present specification as long as there is no contradiction between the combinations of the features.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.

Claims (12)

1. A nut food shelf life testing apparatus, comprising:

the test cabinet comprises a cabinet body, wherein a plurality of test boxes are arranged in the cabinet body, and the test boxes can be used for carrying out accelerated destructive tests and/or long-term stability tests;

the environment parameter adjusting systems are respectively matched with the test boxes one by one;

the controller is connected with the environmental parameter adjusting system; and the controller controls the environmental parameter adjusting system to adjust the corresponding environmental condition parameters in the test box according to preset environmental condition parameters.

2. The nut food shelf life testing device of claim 1, wherein the environmental parameter adjustment system is provided with a communication channel that communicates with the corresponding testing box; and the environment parameter adjusting system is used for preparing mixed air with corresponding temperature and humidity according to the preset environment condition parameters in the controller, and the mixed air is circularly conveyed into the corresponding test box from the communication channel.

3. The nut food shelf life testing device of claim 2, wherein the testing box is provided with a vent hole communicated with the communication channel, and an air blowing device is arranged outside the vent hole.

4. The nut food shelf-life testing device of claim 1, wherein the environmental parameter adjustment system comprises a temperature adjustment device, the temperature adjustment device comprising: heating equipment, refrigerating equipment and a temperature sensor; the controller is according to the control that preset temperature corresponds heating equipment refrigeration plant adjusts the temperature in the test box, temperature sensor real-time supervision the temperature in the test box to with temperature data transmission extremely the controller is supplementary the controller control heating equipment the common temperature regulation of refrigeration plant is until reaching preset temperature value.

5. The nut food shelf life testing device of claim 1, wherein the environmental parameter adjustment system further comprises a humidity adjustment device comprising a humidification device, a dehumidification device, and a humidity sensor; the controller is according to the control that preset humidity corresponds humidification equipment with dehumidification equipment adjusts humidity in the test box, humidity transducer real-time supervision humidity in the test box to with temperature data transmission extremely the controller is supplementary the controller control humidification equipment with dehumidification equipment adjusts humidity jointly until reaching preset humidity value.

6. The nut food shelf-life testing device of claim 5, wherein the humidification device comprises a humidification boiler, a submersible pump, a water tank, the humidification boiler drawing water from the water tank through the submersible pump to evaporate to produce water vapor.

7. The nut food shelf life testing device of claim 1, wherein the environmental parameter adjustment system further comprises a lighting lamp disposed in the testing box corresponding to the environmental parameter adjustment system.

8. The nut food shelf life testing apparatus of claim 1, wherein each of said test chambers is further equipped with a recording system, said recording system being connected to said controller, said controller controlling said recording system to monitor and record environmental condition parameters within said test chamber in real time.

9. The nut food shelf life testing device of claim 1, wherein the testing box is provided with a communication interface, and the controller is connected to a computer through the communication interface.

10. The nut food shelf life testing device of claim 1, wherein each of the testing boxes has a plurality of shelves and shelves with adjustable spacing.

11. The nut food shelf life testing device of claim 1, wherein each of the testing boxes has an observation window.

12. The nut food shelf life testing device of claim 1, wherein the testing chamber is coated with an insulating material.

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