CN110133189B - Preservative experiment comparison device for prolonging shelf life of cold fresh and use method thereof - Google Patents
Preservative experiment comparison device for prolonging shelf life of cold fresh and use method thereof Download PDFInfo
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- CN110133189B CN110133189B CN201910392172.0A CN201910392172A CN110133189B CN 110133189 B CN110133189 B CN 110133189B CN 201910392172 A CN201910392172 A CN 201910392172A CN 110133189 B CN110133189 B CN 110133189B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0001—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00 by organoleptic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
- G01N33/12—Meat; fish
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
- G01N5/045—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder for determining moisture content
Abstract
The invention discloses a preservative experiment comparison device for improving the quality guarantee period of cold fresh and a using method thereof. The preservative experiment comparison device for prolonging the quality guarantee period of the cold fresh and the use method thereof are convenient for comparison experiments to be carried out, and reduce errors of comparison experiment results caused by external environments and human factors, so that the comparison results are more accurate and effective.
Description
Technical Field
The invention relates to the technical field of cold fresh preservation, in particular to a preservative experiment comparison device for prolonging the quality guarantee period of cold fresh and a use method thereof.
Background
The cold bright technique of keeping fresh is to extremely important means in the cold bright preserves, through the fresh-keeping to cold bright, can be very big convenient cold bright transport with deposit, avoid cold bright the in-process of depositing and transporting to take place rotten, maintain cold bright edibility and trophism, make the long-distance transportation operation of cold bright reach probably, the sale of convenient cold bright, satisfy the satisfaction of open sea area to the seafood, improve the sale of seafood, drive the development of economy, the fresh-keeping technique of current cold bright has following problem when using nevertheless:
manufacturers and technical means of different preservatives are different from each other, so that the preservatives with good effect cannot be selected conveniently and artificially, the quality contrast cannot be rapidly and effectively carried out on the practicability of the preservatives, the quality levels of the preservative products are uneven, a good preservative product cannot be timely provided for consumers when the preservatives are used, and innovative design is urgently needed on the basis of an original preservative experiment comparison device aiming at the problems.
Disclosure of Invention
The invention aims to provide a preservative experiment comparison device for prolonging the quality guarantee period of cold fresh and a use method thereof, and aims to solve the problems that the preservative experiment comparison device provided by the background technology is complex in structure, inconvenient for artificial quick and convenient effective and quick comparison of preservative quality, insufficient in practicability and difficult to provide good and accurate comparison experiment data for consumers.
In order to achieve the purpose, the invention provides the following technical scheme: a preservative experiment comparison device for prolonging the quality guarantee period of cold fresh comprises a base, a motor, a storage plate, an isolation cover and a spray head, wherein a positioning hole is reserved in the base, a bearing support is fixedly arranged at the inner edge of the positioning hole, a rotating rod is coaxially connected with the center of the bearing support, the motor is installed on the inner wall of the positioning hole in an embedded mode, the motor is connected with the outer walls of a rotating wheel and the rotating rod through a crawler belt, a positioning frame is fixed at the upper end of the rotating rod, a rubber pad is fixedly installed on the outer wall of the positioning frame, a positioning rod is arranged in the positioning frame, the storage plate is located right above the rubber pad, magnetic adsorption rings are fixed at the bottom of the storage plate and the top edge of the rubber pad, a weighing scale is installed at the top of the storage plate, an elastic piece is fixed between the weighing scale and the storage plate, and a charging hole is formed in the bottom of the, and fixed mounting has the sealing ring between weighing scale and the thing dish, the outer wall edge of thing dish is fixed with the separation blade, and has seted up the inlet opening in the locating hole of thing dish avris, and the end connection of inlet opening has the fluid-discharge tube, and the other end of fluid-discharge tube sets up in connecing the liquid fill in addition, the locating plate is installed at the top of base, and the middle part of locating plate is fixed with the gag lever post, the tip of cage is provided with the holding ring, and the holding ring cover locates the outside of gag lever post, and through communicating pipe interconnect between the cage, and the top center department of communicating pipe is provided with the control lever, the control lever runs through communicating pipe through the bearing and is connected with the plectane, the shower nozzle is installed in the top center department of cage, and the outer wall top of cage is provided with the liquid bottle, and is fixed with, meanwhile, a cross rod and an air bag are installed at the top of the outer wall of the liquid bottle, a support is vertically fixed on the outer wall of the communicating pipe, a lead screw is installed at the end of the support, a sliding block is installed on the outer wall of the end of the lead screw and connected with the cross rod and the air bag, an observation window is installed on the outer wall of the liquid bottle in an embedded mode, a scale value is arranged on the observation window, and a semiconductor refrigerating assembly is arranged on the isolation cover.
Preferably, the area of the bottom surface of the rubber pad is larger than the area of the cross section of the bottom of the object placing disc, the rubber pad and the object placing disc are of a magnetic adsorption dismounting and mounting structure, and the rubber pad and the inner wall of the positioning hole are of a bonded sealing structure.
Preferably, the weighing scale and the storage tray are of a relative lifting structure, the outer wall of the weighing scale and the inner wall of the storage tray are connected in a sealed sliding installation mode, and the lower end of the weighing scale is connected with the positioning rod in a clamping mode.
Preferably, the separation blade and the water inlet are respectively and uniformly arranged on the outer wall of the storage tray and the inner wall of the positioning hole at equal angles, the length and the width of the separation blade are larger than those of the water inlet, and the separation blade and the water inlet are mutually attached.
Preferably, the internal diameter of holding ring is greater than the cross-sectional diameter of gag lever post, and rotates between holding ring and the gag lever post to the outer wall of holding ring and the inner wall of locating plate all set up to serration structure, and the block is connected between holding ring and the locating plate moreover.
Preferably, the communicating pipe and the circular plate form a relative rotation structure, the inner diameter of the communicating pipe is equal to the diameter of the circular plate, and the inner wall of the communicating pipe and the outer edge of the circular plate are hermetically connected.
Preferably, the liquid bottle and the nozzle are arranged in a clamping detachable mounting structure, the bottom of the liquid bottle is provided with uniformly distributed hole-shaped structures, the liquid bottle is communicated with the air bag, and the outer wall of the air bag is provided with a rubber pleated structure.
Preferably, the threads at the two ends of the screw rod are opposite in trend, the screw rod is in threaded connection with the sliding block, the length of the screw rod is equal to the distance between the liquid bottles, and the sliding block is in through sliding connection with the cross rod.
The invention provides another technical scheme for providing a use method of a preservative experiment comparison device for improving the quality guarantee period of cold fresh, which comprises the following steps:
s1, selecting leg muscles of slaughtered pigs, washing the leg muscles, dividing the muscles into equal mass sections, then placing the muscles on a placing plate and a weighing scale, and measuring the weight of the leg muscles of the selected pigs under the action of the weighing scale so that the quantity and the mass of pork placed on different placing plates and weighing scales are approximately equal;
s2: after the pork is placed, the isolation cover is enabled to rotate under the action of the positioning ring through the positioning plate and the limiting rod, the pork placed on different placing plates is isolated and sealed, then the internal temperature of the isolation cover is changed in the semiconductor refrigeration assembly, the temperature is kept below-10 ℃ for 6-10 hours, and the temperature of the pork is reduced to below 10 ℃;
s3: through the rotation of the screw rod, under the action of the cross rod, 2 sliding blocks relatively move on the screw rod, the compression state of the air bag is changed, the air bag is pressed, so that the preservative in the liquid bottle is synchronously led into the spray heads at a constant speed, pork on different storage trays is synchronously sprayed with the preservative, and the pork is soaked in the preservative for 3-5 s;
s4: the motor drives the track and the rotating wheel to move through the starting of the motor, so that the rotating rod, the storage disc and the weighing scale on the rotating rod rotate, the storage disc rotates to enable the blocking piece not to block the water inlet hole, the preservative solution is discharged from the water inlet hole, and the residual preservative solution on the pork is completely thrown out and drained through the rotation of the weighing scale;
s5: after the pork is drained, the motor is turned off, the semiconductor refrigeration assembly is turned on again, the pork is refrigerated at the temperature of 0-4 ℃, the isolation cover is opened every 3 days, the pork with the same quantity is taken, the pork is compared and detected, and the fresh-keeping effect of different fresh-keeping agents on the pork is measured;
s6: selecting 2-3 observers with moderate and similar ages, and carrying out color identification, odor comparison, elasticity comparison and viscosity sensory judgment on pork in comparison to comprehensively obtain the fresh-keeping degree of the pork;
s7: selecting pork on different storage plates, respectively testing by using a probe type automatic acidity meter to measure different pH values of the pork on the coal block, and measuring the fresh-keeping result of the pork according to the acidity change degree of the pork;
s8: and selecting pork with synchronous size and quality on different placing plates for pressurizing, standing for more than 5 minutes when the pork is pressurized to the same strength, taking down the pork, and dividing the mass obtained by subtracting the mass after weight pressing from the mass before weight pressing of the pork by the mass before weight pressing to obtain the water tying rate of the pork after preservation.
Compared with the prior art, the invention has the beneficial effects that: the experiment comparison device for the preservative for improving the quality guarantee period of the cold fresh and the use method thereof can greatly facilitate the artificial experiment comparison between different preservatives to obtain accurate and effective comparison experiment results of the preservative, so that the preservation result of the preservative is more intuitive, the final conclusion of the artificial observation and determination is facilitated, the error of the using preservation result of different preservatives caused by external factors can be avoided when the different preservatives are used, the experiment error is reduced, the determination result of the using data is more accurate, the temperature control of the detection is carried out, the addition amount of the preservative is controlled more synchronously, the error of the experiment comparison caused by the difference of the addition time of the preservative and the difference of the addition time length can be avoided, and the difference of the results caused by the environment and the artificial factors in the adding process of the preservative can be avoided simultaneously, the different steps and the number of measurements are performed so that the results of the comparison experiment are more effective in the final determination.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the connection structure of the storage tray and the weighing scale according to the present invention;
FIG. 3 is a schematic view of a connecting structure of a weighing scale and a positioning rod according to the present invention;
FIG. 4 is a schematic view of a baffle plate distribution structure according to the present invention;
FIG. 5 is a schematic view of a disk mounting structure according to the present invention;
FIG. 6 is a schematic view of a retaining ring according to the present invention;
fig. 7 is a schematic view of an airbag mounting structure according to the present invention.
In the figure: 1. a base; 2. positioning holes; 3. a bearing support; 4. a rotating rod; 5. a motor; 6. a crawler belt; 7. a rotating wheel; 8. a positioning frame; 9. a rubber pad; 10. positioning a rod; 11. placing a tray; 12. a magnetic adsorption ring; 13. a weighing scale; 14. an elastic member; 15. a charging hole; 16. a seal ring; 17. a baffle plate; 18. a water inlet hole; 19. a liquid discharge pipe; 20. a liquid receiving hopper; 21. positioning a plate; 22. a limiting rod; 23. an isolation cover; 24. a positioning ring; 25. a communicating pipe; 26. a control lever; 27. a bearing; 28. a circular plate; 29. a spray head; 30. a liquid bottle; 31. a rubber ring; 32. a rubber plug; 33. a cross bar; 34. an air bag; 35. a support; 36. a screw rod; 37. a slider; 38. an observation window; 39. a scale value; 40. semiconductor refrigeration subassembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a preservative experiment comparison device for prolonging the cold and fresh shelf life and a using method thereof comprise a base 1, a motor 5, a storage disc 11, a shielding cover 23 and a spray head 29, wherein a positioning hole 2 is reserved in the base 1, a bearing support 3 is fixedly installed at the inner edge of the positioning hole 2, a rotating rod 4 is coaxially connected with the central position of the bearing support 3, the motor 5 is installed on the inner wall of the positioning hole 2 in an embedded manner, the motor 5 is mutually connected with a rotating wheel 7 and the outer wall of the rotating rod 4 through a crawler 6, a positioning frame 8 is fixed at the upper end of the rotating rod 4, a rubber pad 9 is fixedly installed on the outer wall of the positioning frame 8, a positioning rod 10 is arranged in the positioning frame 8, the storage disc 11 is positioned right above the rubber pad 9, magnetic adsorption rings 12 are fixed at the bottom of the storage disc 11 and the top edge of the rubber pad 9, and a weighing scale 13 is installed at the top of the storage, an elastic part 14 is fixed between the weighing scale 13 and the object placing disk 11, a charging hole 15 is arranged at the bottom of the weighing scale 13, a sealing ring 16 is fixedly arranged between the weighing scale 13 and the object placing disk 11, a baffle 17 is fixed at the edge of the outer wall of the object placing disk 11, a water inlet 18 is arranged in a positioning hole 2 at the side of the object placing disk 11, the end of the water inlet 18 is connected with a liquid discharge pipe 19, the other end of the liquid discharge pipe 19 is arranged in a liquid receiving hopper 20, a positioning plate 21 is arranged at the top of the base 1, a limiting rod 22 is fixed at the middle part of the positioning plate 21, a positioning ring 24 is arranged at the end part of the isolation cover 23, the positioning ring 24 is sleeved outside the limiting rod 22, the isolation covers 23 are connected with each other through a communication pipe 25, a control rod 26 is arranged at the center of the top of the communication pipe 25, the control rod 26 is connected with a circular plate 28, and the top of the outer wall of the isolation cover 23 is provided with a liquid bottle 30, a rubber ring 31 is fixed between the liquid bottle 30 and the spray head 29, a rubber plug 32 is installed at the upper end of the liquid bottle 30, meanwhile, a cross rod 33 and an air bag 34 are installed at the top of the outer wall of the liquid bottle 30, a bracket 35 is vertically fixed on the outer wall of the communication pipe 25, a lead screw 36 is installed at the end of the bracket 35, a sliding block 37 is installed on the outer wall of the end of the lead screw 36, the sliding block 37 is connected with the cross rod 33 and the air bag 34, an observation window 38 is embedded and installed on the outer wall of the liquid bottle 30, a scale value 39 is arranged on the observation.
The bottom surface area of rubber pad 9 is greater than the bottom cross-sectional area of putting thing dish 11, and rubber pad 9 with put thing dish 11 and be magnetic adsorption's dismantlement mounting structure to rubber pad 9 sets up for the seal structure of laminating with the inner wall of locating hole 2, makes things convenient for the rubber pad 9 and puts the connection location of thing dish 11, avoids leaking.
Weighing scale 13 and put thing dish 11 and be relative elevation structure, and weighing scale 13's outer wall is connected for sealed slidable mounting with the inner wall of putting thing dish 11 to the block is connected between weighing scale 13's lower extreme and the locating lever 10, weighs the operation, and can avoid the junction to take place liquid leakage.
The baffle plates 17 and the water inlet holes 18 are respectively and uniformly arranged on the outer wall of the object placing disc 11 and the inner wall of the positioning hole 2 at equal angles, the length and the width of each baffle plate 17 are larger than those of the corresponding water inlet hole 18, the baffle plates 17 and the water inlet holes 18 are mutually attached, the preservative is discharged, and pork is drained.
The internal diameter of holding ring 24 is greater than the cross-sectional diameter of gag lever post 22, and rotates between holding ring 24 and the gag lever post 22 and connect to the outer wall of holding ring 24 and the inner wall of locating plate 21 all set up to serration structure, and the block is connected between holding ring 24 and the locating plate 21 in addition, and the convenience is carried out holding ring 24 spacing at arbitrary angle, makes things convenient for opening of cage 23 to fix a position.
The communication pipe 25 and the circular plate 28 form a relative rotation structure, the inner diameter of the communication pipe 25 is equal to the diameter of the circular plate 28, the inner wall of the communication pipe 25 and the outer edge of the circular plate 28 are hermetically connected, the communication pipe 25 is blocked, and the isolation covers 23 are isolated from each other.
The liquid bottle 30 and the spray head 29 are arranged in a clamping and dismounting structure, the bottom of the liquid bottle 30 is arranged in a hole-shaped structure which is uniformly distributed, the liquid bottle 30 is connected with the air bag 34 in a through mode, the outer wall of the air bag 34 is arranged in a pleated structure which is made of rubber, the liquid bottle 30 and the spray head 29 can be conveniently and manually dismounted and mounted, the air bag 34 is more uniform when being deformed, and the preservative can not leak when the liquid bottle 30 is free of the air bag 34.
The screw threads at the two ends of the screw rod 36 are opposite in trend, the screw rod 36 is in threaded connection with the sliding block 37, the length of the screw rod 36 is equal to the distance between the liquid bottles 30, and the sliding block 37 is in penetrating sliding connection with the cross rod 33, so that the position relation of the sliding block 37 is conveniently controlled, and the air bag 34 is deformed and reset.
In order to better show the experiment comparison process of the fresh-keeping agent with the cold fresh shelf life, the embodiment provides a use method of the experiment comparison device for the fresh-keeping agent with the cold fresh shelf life, which comprises the following steps:
selecting leg muscles of slaughtered pigs, washing the leg muscles, dividing the muscles into equal mass sections, then placing the muscles on a placing plate 11 and a weighing scale 13, and measuring the weight of the leg muscles of the selected pigs under the action of the weighing scale 13 to ensure that the quantity and the mass of pork placed on different placing plates 11 and weighing scales 13 are approximately equal;
the second step is that: after the pork is placed, the positioning plate 21 and the limiting rod 22 enable the isolation cover 23 to rotate under the action of the positioning ring 24, the pork placed on different placing plates 11 is isolated and sealed, then the internal temperature of the isolation cover 23 is changed in the semiconductor refrigeration component 40, the temperature is maintained below-10 ℃ for 6-10 hours, and the temperature of the pork is reduced to below 10 ℃;
the third step: through the rotation of the screw rod 36, under the action of the cross rod 33, the 2 sliding blocks 37 move relatively on the screw rod 36, the compression state of the air bag 34 is changed, the air bag 34 is pressed, so that the preservative in the liquid bottle 30 is synchronously led into the spray head 29 at a constant speed, pork on different storage trays 11 is synchronously sprayed with the preservative, and the pork is soaked in the preservative for 3-5 seconds;
the fourth step: by starting the motor 5, the motor 5 drives the caterpillar track 6 and the rotating wheel 7 to move, so that the rotating rod 4, the placing disc 11 and the weighing scale 13 on the rotating rod rotate, the placing disc 11 rotates to enable the blocking piece 17 not to block the water inlet hole 18, the preservative solution is discharged from the water inlet hole 18, and the residual preservative solution on the pork is completely thrown out and drained by the rotation of the weighing scale 13;
the fifth step: after the pork is drained, the motor 5 is turned off, the semiconductor refrigerating assembly 40 is turned on again to refrigerate the pork at the temperature of 0-4 ℃, the isolation cover 23 is opened every 3 days, the pork with the same quantity is taken, the pork is compared and detected, and the fresh-keeping effect of different fresh-keeping agents on the pork is measured;
and a sixth step: selecting 2-3 observers with moderate and similar ages, and carrying out color identification, odor comparison, elasticity comparison and viscosity sensory judgment on pork in comparison to comprehensively obtain the fresh-keeping degree of the pork;
the seventh step: selecting pork on different storage trays 11, respectively testing by using a probe type automatic acidity meter to measure different pH values of the pork on the coal block, and measuring the fresh-keeping result of the pork according to the acidity change degree of the pork;
eighth step: and selecting pork with synchronous size and quality on different placing plates 11, pressurizing, standing for more than 5 minutes when the pork is pressurized to the same strength, taking down the pork, and dividing the weight obtained by subtracting the weight after the weight before the weight pressing by the weight before the weight pressing to obtain the water tying rate of the pork after preservation.
The working principle is as follows: when the fresh-keeping agent experiment comparison device for improving the cold fresh shelf life and the use method thereof are used, firstly, according to the figures 1-6, the leg muscles of slaughtered pigs are selected, the slaughtered pigs are cleaned and equally mass-segmented, then the slaughtered pigs are placed on the placing disc 11 and the weighing scale 13, the weight of the leg muscles of the selected pigs is measured under the action of the weighing scale 13, so that the quantity and the mass of pork placed on different placing discs 11 and the weighing scale 13 are approximately equal, the placing disc 11 and the weighing scale 13 are positioned through the sealing ring 16, liquid leakage does not occur in the placing disc 11 and the weighing scale 13 when the device is used, the placing disc 11 and the weighing scale 13 are clean and dry, the connection and the positioning between the placing disc 11 and the rubber pad 9 are convenient under the action of the magnetic adsorption ring 12, the rubber pad 9 prevents the liquid from leaking through the positioning hole 2 and only stays in the positioning hole 2 above the placing disc 11, the bottom of the weighing scale 13 is connected with the positioning frame 8 through the positioning rod 10, so that the weighing scale 13 can synchronously rotate when the rotating rod 4 rotates;
the isolation cover 23 is lifted by lifting the communication pipe 25, the angle direction of the isolation cover 23 is changed under the rotating connection effect of the positioning ring 24 and the limiting rod 22, after the isolation cover 23 is loosened manually, the positioning ring 24 and the positioning plate 21 are clamped mutually, the direction of the isolation cover 23 is limited at any angle, free movement cannot occur, the isolation cover 23 is covered above the weighing scale 13 and the storage tray 11 to be sealed, the internal temperature of the isolation cover 23 is changed in the semiconductor refrigeration assembly 40, the temperature is kept below-10 ℃ for 6-10 hours, the temperature of pork is reduced to below 10 ℃, then the control rod 26 is rotated to drive the circular plate 28 to rotate to seal the middle part of the communication pipe 25, and 2 isolation covers 23 are sealed relatively;
different preservatives with the same quantity are artificially led into different liquid bottles 30 under the penetrating action of rubber plugs 32, as the preservatives cannot flow out from holes at the bottoms of the liquid bottles 30 due to the inner bottoms of the liquid bottles 30, when the preservatives need to be added, the screw rod 36 is rotated, 2 sliding blocks 37 only move relatively on the screw rod 36 under the action of the cross rod 33, the air bag 34 is extruded through the sliding blocks 37, the inner gas is led into the liquid bottles 30, the preservatives in the liquid bottles 30 are continuously and synchronously led into the spray head 29 due to the increase of the inner pressure of the liquid bottles 30, pork on different object placing discs 11 is synchronously sprayed with the preservatives under the action of the spray head 29, the pork is soaked in the preservatives for 3-5s, then the motor 5 is started, the motor 5 drives the track 6 and the rotating wheel 7 to move, so that the rotating rod 4, the object placing discs 11 and the weighing scale 13 on the rotating rod are rotated, and the baffle plates 17 on the rotating, the antistaling agent solution is discharged from a water inlet 18, the rotation of the weighing scale 13 enables the residual antistaling agent solution on the pork to be thrown out and drained, and the residual antistaling agent solution is discharged from the water inlet 18 and a liquid discharge pipe 19 into a liquid receiving hopper 20 for collection and treatment;
turning off the motor 5 after the pork is drained, turning on the semiconductor refrigerating component 40 again to refrigerate the pork at 0-4 ℃, opening the isolation cover 23 every 3 days, taking the same amount of pork, carrying out pork contrast detection, measuring the pork fresh-keeping effect of different preservatives, selecting 2-3 persons with moderate and similar ages, carrying out color identification, smell contrast, elasticity contrast and viscosity sense discrimination on the pork, comprehensively obtaining the pork fresh-keeping degree, selecting the pork on different object placing plates 11, respectively testing by using a probe type automatic acidity instrument, measuring different PH values on the pork with coal blocks, measuring the pork fresh-keeping result according to the acidity change degree of the pork, selecting the pork with synchronous size and quality on different object placing plates 11 to pressurize, standing for more than 5 minutes when the pork is pressurized to the same force, taking down the pork, subtracting the quality after the weight pressing from the quality before the weight pressing of the pork to obtain the quality before the weight pressing, obtaining the water content of the preserved pork, and summarizing the preservation effect of different preservatives.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides an improve antistaling agent experiment comparison device of cold bright shelf life, includes base (1), motor (5), puts thing dish (11), cage (23) and shower nozzle (29), its characterized in that: a positioning hole (2) is reserved in the base (1), a bearing support (3) is fixedly installed at the inner edge of the positioning hole (2), a rotating rod (4) is coaxially connected to the center of the bearing support (3), a motor (5) is installed on the inner wall of the positioning hole (2) in an embedded mode, the motor (5) is connected with a rotating wheel (7) and the outer wall of the rotating rod (4) through a crawler (6), a positioning frame (8) is fixed to the upper end of the rotating rod (4), a rubber pad (9) is fixedly installed on the outer wall of the positioning frame (8), a positioning rod (10) is arranged inside the positioning frame (8), the object placing disc (11) is located right above the rubber pad (9), magnetic adsorption rings (12) are fixed to the bottom of the object placing disc (11) and the top edge of the rubber pad (9), and a weighing scale (13) is installed at the top of the object placing disc (11), an elastic part (14) is fixed between the weighing scale (13) and the storage tray (11), a charging hole (15) is formed in the bottom of the weighing scale (13), a sealing ring (16) is fixedly installed between the weighing scale (13) and the storage tray (11), a baffle (17) is fixed at the edge of the outer wall of the storage tray (11), a water inlet hole (18) is formed in a positioning hole (2) in the side of the storage tray (11), the end part of the water inlet hole (18) is connected with a liquid discharge pipe (19), the other end of the liquid discharge pipe (19) is arranged in a liquid receiving hopper (20), a positioning plate (21) is installed at the top of the base (1), a positioning rod (22) is fixed in the middle of the positioning plate (21), a positioning ring (24) is arranged at the end part of the isolation cover (23), the positioning ring (24) is sleeved outside the positioning rod (22), and the isolation covers (23) are connected with each other through a communication pipe (25), and the top center department of communicating pipe (25) is provided with control lever (26), control lever (26) runs through communicating pipe (25) through bearing (27) and is connected with plectane (28), install in the top center department of cage (23) shower nozzle (29), and the outer wall top of cage (23) is provided with liquid bottle (30), and be fixed with rubber ring (31) between liquid bottle (30) and shower nozzle (29), and rubber buffer (32) are installed to the upper end of liquid bottle (30) moreover, horizontal pole (33) and gasbag bag (34) are installed at the top of liquid bottle (30) outer wall simultaneously, vertically fixed has support (35) on the outer wall of communicating pipe (25), and lead screw (36) is installed to the tip of support (35), install slider (37) on the tip outer wall of lead screw (36), and slider (37) and horizontal pole (33) and gasbag bag (34) interconnect, an observation window (38) is embedded in the outer wall of the liquid bottle (30), a scale value (39) is arranged on the observation window (38), and a semiconductor refrigeration component (40) is arranged on the isolation cover (23).
2. The experimental comparison device for the antistaling agent for improving the quality guarantee period of the cold fresh according to claim 1, which is characterized in that: the area of the bottom surface of the rubber pad (9) is larger than the area of the cross section of the bottom of the article placing disc (11), the rubber pad (9) and the article placing disc (11) are of magnetic adsorption dismounting and mounting structures, and the inner walls of the rubber pad (9) and the positioning hole (2) are of a jointed sealing structure.
3. The experimental comparison device for the antistaling agent for improving the quality guarantee period of the cold fresh according to claim 1, which is characterized in that: the weighing scale (13) and the storage tray (11) are of a relative lifting structure, the outer wall of the weighing scale (13) is connected with the inner wall of the storage tray (11) in a sealed sliding installation mode, and the lower end of the weighing scale (13) is connected with the positioning rod (10) in a clamping mode.
4. The experimental comparison device for the antistaling agent for improving the quality guarantee period of the cold fresh according to claim 1, which is characterized in that: the baffle plate (17) and the water inlet hole (18) are respectively arranged on the outer wall of the storage disc (11) and the inner wall of the positioning hole (2) at equal angles, the length and the width of the baffle plate (17) are larger than those of the water inlet hole (18), and the baffle plate (17) and the water inlet hole (18) are mutually attached.
5. The experimental comparison device for the antistaling agent for improving the quality guarantee period of the cold fresh according to claim 1, which is characterized in that: the internal diameter of holding ring (24) is greater than the cross-sectional diameter of gag lever post (22), and rotates between holding ring (24) and gag lever post (22) and connect to the outer wall of holding ring (24) and the inner wall of locating plate (21) all set up to serration structure, and the block is connected between holding ring (24) and locating plate (21) moreover.
6. The experimental comparison device for the antistaling agent for improving the quality guarantee period of the cold fresh according to claim 1, which is characterized in that: the communicating pipe (25) and the circular plate (28) form a relative rotation structure, the inner diameter of the communicating pipe (25) is equal to the diameter of the circular plate (28), and the inner wall of the communicating pipe (25) and the outer edge of the circular plate (28) are connected in a sealing mode.
7. The experimental comparison device for the antistaling agent for improving the quality guarantee period of the cold fresh according to claim 1, which is characterized in that: the liquid bottle (30) and the spray head (29) are arranged in a clamping and dismounting structure, the bottom of the liquid bottle (30) is arranged in a uniformly distributed hole-shaped structure, the liquid bottle (30) is communicated with the air bag (34), and the outer wall of the air bag (34) is arranged in a rubber plaited structure.
8. The experimental comparison device for the antistaling agent for improving the quality guarantee period of the cold fresh according to claim 1, which is characterized in that: the threads at the two ends of the screw rod (36) are opposite in trend, the screw rod (36) is in threaded connection with the sliding block (37), the length of the screw rod (36) is equal to the distance between the liquid bottles (30), and the sliding block (37) is in penetrating sliding connection with the cross rod (33).
9. The use method of the experimental comparison device for the fresh-keeping agent for improving the cold fresh shelf life of claim 1 is characterized by comprising the following steps:
s1, selecting leg muscles of slaughtered pigs, washing the leg muscles, dividing the muscles into equal mass sections, then placing the muscles on a placing plate (11) and a weighing scale (13), and measuring the weight of the leg muscles of the selected pigs under the action of the weighing scale (13) to ensure that the quantity and the mass of pork placed on different placing plates (11) and weighing scales (13) are approximately equal;
s2: after the pork is placed, the isolation cover (23) is rotated under the action of the positioning ring (24) through the positioning plate (21) and the limiting rod (22), the pork placed on different placing plates (11) is isolated and sealed, and then the internal temperature of the isolation cover (23) is changed in the semiconductor refrigerating assembly (40), so that the temperature is maintained below-10 ℃ for 6-10 hours, and the temperature of the pork is reduced to below 10 ℃;
s3: through the rotation of the screw rod (36), under the action of the cross rod (33), 2 sliding blocks (37) move relatively on the screw rod (36), the compression state of the air bag (34) is changed, the air bag (34) is pressed, so that the preservative in the liquid bottle (30) is synchronously led into the spray head (29) at a constant speed, pork on different storage trays (11) is synchronously sprayed with the preservative, and the pork is soaked in the preservative for 3-5 s;
s4: by starting the motor (5), the motor (5) drives the track (6) and the rotating wheel (7) to move, so that the rotating rod (4), the storage disc (11) and the weighing scale (13) on the rotating rod rotate, the storage disc (11) rotates to enable the blocking piece (17) not to block the water inlet hole (18), the preservative solution is discharged from the water inlet hole (18), and the weighing scale (13) rotates to enable the residual preservative solution on the pork to be completely thrown out and drained;
s5: after the pork is drained, the motor (5) is turned off, the semiconductor refrigerating assembly (40) is turned on again to refrigerate the pork at the temperature of 0-4 ℃, the isolation cover (23) is opened every 3 days, the pork with the same quantity is taken, the pork is compared and detected, and the fresh-keeping effect of different fresh-keeping agents on the pork is measured;
s6: selecting 2-3 observers with moderate and similar ages, and carrying out color identification, odor comparison, elasticity comparison and viscosity sensory judgment on pork in comparison to comprehensively obtain the fresh-keeping degree of the pork;
s7: selecting pork on different storage trays (11), respectively testing by using a probe type automatic acidity meter to measure different pH values of each pork, and measuring the fresh-keeping result of the pork according to the acidity change degree of the pork;
s8: pork with synchronous size and quality on different placing plates (11) is pressurized, the pork is kept still for more than 5 minutes when the pressure is equal to the pressure, the pork is taken down, and the water tying rate of the pork after preservation is obtained according to the division of the weight of the pork before weight reduction by the weight of the pork after weight reduction.
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