CN107831084B - Comprehensive measurement device and measurement method for quality of fresh aquatic products - Google Patents

Comprehensive measurement device and measurement method for quality of fresh aquatic products Download PDF

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Publication number
CN107831084B
CN107831084B CN201711295101.6A CN201711295101A CN107831084B CN 107831084 B CN107831084 B CN 107831084B CN 201711295101 A CN201711295101 A CN 201711295101A CN 107831084 B CN107831084 B CN 107831084B
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controller
sample
signal
measuring area
sends
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CN107831084A (en
Inventor
聂小宝
王立红
王羽
王琪
赵海庆
张帆
王甜甜
张长峰
黄宝生
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Shandong Institute of Commerce and Technology
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Shandong Institute of Commerce and Technology
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/40—Investigating hardness or rebound hardness
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/02—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving viable microorganisms
    • C12Q1/04—Determining presence or kind of microorganism; Use of selective media for testing antibiotics or bacteriocides; Compositions containing a chemical indicator therefor
    • C12Q1/06—Quantitative determination
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish

Abstract

The invention relates to the field of quality change of fresh frozen aquatic products, in particular to a comprehensive measuring device and a measuring method for quality of fresh aquatic products. The comprehensive quality measurement device for fresh aquatic products comprises a fresh keeping chamber, a cutting table, a conveying device, a test area and a control system, wherein the conveying device can convey samples cut on the cutting table to the test area, the test area comprises a pH measurement area, a colony count measurement area, an odor measurement area and a sample tissue hardness elasticity measurement area, and the device can detect the pH, the colony count, the odor and the tissue hardness elasticity of the aquatic products.

Description

Comprehensive measurement device and measurement method for quality of fresh aquatic products
Technical Field
The invention relates to the field of quality change of fresh frozen aquatic products, in particular to a comprehensive measuring device and a measuring method for quality of fresh aquatic products.
Background
In recent years, fresh aquatic products are delicious in taste, high in quality and low in price, and are deeply favored by people, but the quality problem of the fresh aquatic products is still a serious concern for people, the flavor of the aquatic products is directly affected by the quality change of the aquatic products, and the fresh aquatic products possibly cause spoilage and deterioration when serious, so that the food safety problem is caused. The quality of fresh aquatic products is judged in a laboratory generally by analyzing the change of each index one by one through indexes such as sensory evaluation, total colony count measurement, pH value measurement, elasticity and hardness measurement of the aquatic products, and the comprehensive evaluation of the fresh aquatic products cannot be carried out. Along with the progress of scientific research technology, a plurality of intelligent devices, infrared sensors and other devices are also researched, but the devices are seldom applied to food detection, so that the comprehensive quality measuring device and the evaluation method for the fresh aquatic products are very necessary.
Disclosure of Invention
In order to solve the technical problems, the invention discloses a comprehensive aquatic product quality measuring device and an evaluation method.
The technical scheme of the invention is as follows:
the utility model provides a fresh aquatic products quality comprehensive measurement device, includes fresh-keeping room, cutting platform, conveyer, test area and control system, conveyer can carry the sample after cutting on the cutting platform to the test area, the test area includes pH survey district, total number of colonies survey district, smell survey district and sample tissue hardness elasticity survey district, control system includes controller and display device, controller and display device electric connection.
Preferably, the cutting table is arranged below the fresh-keeping chamber, the conveying device is arranged below the cutting table, an electric door and an electric telescopic device are arranged on the lower bottom surface of the fresh-keeping chamber, and after the electric door is opened, a sample in the fresh-keeping chamber falls onto the cutting table; the bottom of the electric telescopic device is provided with a cutter, the electric telescopic device can push the cutter to a cutting table so as to cut a sample on the cutting table, the cutting table is provided with an electric door, and after the electric door is opened, the sample on the cutting table falls onto the conveying device; the electric door and the electric telescopic device are electrically coupled with the controller, and the controller can control the opening and closing of the electric door and the telescopic operation of the electric telescopic device; preferably, the number of the cutters is 4.
Preferably, the conveying device comprises a conveying belt, an infrared gravity sensor and an electric door are arranged above the pH measuring area, the total colony count measuring area, the smell measuring area and the sample tissue hardness elasticity measuring area, the electric door and the infrared sensor are electrically connected with the controller, the infrared gravity sensor sends detected signals to the controller, and the controller controls the switch of the electric door according to the received signals, so that the sample enters the measuring area.
Preferably, the pH measuring area comprises a container, a heat-insulating vessel and a beaker, wherein a funnel and a pH meter are fixed on the beaker, the container is arranged right below an electric door on a conveyor belt, and samples can fall into the container from the conveyor belt through the electric door; the heat preservation vessel is arranged above the container, the heat preservation vessel and the bottom of the container are respectively provided with a tilting device I and a tilting device II, the tilting devices I can drive the heat preservation vessel to tilt so that liquid in the heat preservation vessel can be poured into the container, and the tilting devices II can drive the container to tilt so that liquid in the container can be poured into the funnel; the tilting device I is also provided with a gravity sensor, a pressure sensor and a time controller, the tilting device I, the tilting device II, the gravity sensor, the pressure sensor, the time controller and the pH meter are electrically connected with the controller, the pH meter sends measured pH information to the controller, and the controller sends the received pH information to the display equipment; the gravity sensor can send a gravity signal to the controller, and the controller controls the inclination of the inclination device I according to the received signal, so that the liquid in the heat-insulating vessel is controlled to be poured into the container; the pressure sensor can send pressure signals to the controller, the controller controls the switch of the time controller according to the received signals, the time controller sends timing information to the controller, and the controller controls the inclination of the inclination device II according to the received timing information, so that the liquid in the container is controlled to be poured into the funnel.
Preferably, the colony total number measuring area comprises a water container, a rotator, a multifunctional operating platform and a conical flask, wherein an oscillator is arranged at the bottom of the water container, and a pressure sensor is arranged on the oscillator; the water container is connected with the rotator through a pipeline III, one end of the pipeline III is inserted into the water container, the other end of the pipeline III is provided with an injection gun head, the injection gun head is positioned above the test tube, and the pipeline III is sequentially provided with an electromagnetic valve and a metering pump; the multifunctional operating platform is connected with the test tube and the conical flask through a pipeline I and a pipeline II respectively, electromagnetic valves and metering pumps are arranged on the pipeline I and the pipeline II, a water sucking gun head is arranged at one end of the pipeline I and is inserted into the test tube, an injection gun head is arranged at the other end of the pipeline I, and the injection gun head is arranged above a culture dish on the multifunctional operating platform; one end of the pipeline II is provided with a water sucking gun head, the water sucking gun head is inserted into the conical flask, the other end of the pipeline II is provided with an injection gun head, and the injection gun head is arranged above a culture dish on the multifunctional operating platform; an electronic eye and a temperature controller are arranged in the multifunctional operating platform, a gravity sensor is arranged at the bottom of the multifunctional operating platform, and a micro-rotator is arranged at the bottom of the culture dish; the rotator, the oscillator, the pressure sensor, the electromagnetic valve, the metering pump, the electronic eye, the temperature controller and the micro-rotator are electrically connected with the controller; the pressure sensor on the oscillator sends a pressure signal to the controller, and the controller controls the switch of the oscillator according to the received pressure signal; the controller can control the switch of the electromagnetic valve and the metering pump; the electronic eye may send the monitoring information to the controller, and the controller sends the received monitoring information to the display device.
Preferably, the colony total number measuring area is further provided with an electric telescopic clamp, the electric telescopic clamp can convey samples entering the colony total number measuring area from the electric door into the water container, the electric telescopic clamp is electrically connected with the controller, and the controller can control the electric telescopic clamp to convey the samples into the water container.
Preferably, the odor measuring area comprises a conveying belt, an objective table, a gas absorption tank, a condenser, a light emitter, an incident slit, a concave lens, a grating, an emergent slit, a detector and a Nernst lamp, wherein the conveying belt is arranged right below the electric door, and a sample enters the odor measuring area from the electric door and falls on the conveying belt; the conveying belt can convey samples to the objective table, a pressure sensor is arranged at the bottom of the objective table, the pressure sensor sends detected pressure signals to the controller, and the controller controls the switch of the Nernst lamp according to the received pressure signals; the Nernst lamp and the gas absorption tank are arranged above the object stage, a condenser and a light emitter are arranged above the gas absorption tank, the condenser transmits light signals to the light emitter through optical fibers, light beams emitted by the light emitter enter from the entrance slit and are incident on the concave lens, the concave lens reflects the light beams to the front grating for focusing, the grating reflects the light beams to the concave lens through the reflection effect of the light beams to form light beams parallel to the entrance slit, and in the operation process, the light beams with various wavelengths can be transmitted from the exit slit in sequence by rotating the grating; the light beam is emitted from the emergent slit to enter the detector, the detector consists of a photoelectric conversion element and a signal amplifier, the photoelectric conversion element in the detector is used for detecting the intensity of monochromatic light and converting the optical signal into an electric signal, and the signal amplifier is used for amplifying the electric signal converted by the photoelectric element; the detector transmits the signal to the controller using the optical fiber as a conductive medium, and the controller transmits the received signal to the display device.
Preferably, the sample tissue hardness elasticity measuring area comprises a conveying belt, an operation table, a test probe, a data recorder and a lifting device, wherein the conveying belt is arranged right below the electric door, a sample enters the sample tissue hardness elasticity measuring area from the electric door and falls on the conveying belt, the conveying belt can convey the sample to the operation table, the test probe and the data recorder are arranged on a beam of the lifting device, a pressure sensor is arranged at the bottom of the operation table and sends a detected pressure signal to a controller, the controller controls the lifting device to drive the test probe to downwards measure the hardness and elasticity of the sample according to the received pressure signal, the controller controls the lifting device to drive the test probe to upwards lift after the test is finished, the data recorder sends recorded data to the controller, and the controller sends the received data to a display device.
The second object of the present invention is to provide a method for comprehensively measuring the quality of fresh aquatic products, which is to use any of the above-mentioned comprehensive measuring devices for measuring the quality of fresh aquatic products.
Preferably, the method for comprehensively measuring the quality of the fresh aquatic products comprises the following steps:
(1) The controller controls the electric door on the fresh-keeping chamber to be opened, so that a sample to be detected falls onto the cutting table, and controls the electric telescopic device to push the cutter onto the cutting table, so that the sample on the cutting table is cut into 4 parts; controlling an electric door on the cutting table to be opened, so that a sample on the cutting table falls onto the conveying device; the conveying device conveys the sample to the test area through a conveying belt;
(2) When the sample is conveyed to the position above the pH measuring area, the infrared gravity sensor above the pH measuring area sends a detected gravity signal to the controller, and the controller controls the opening of the electric door above the pH measuring area according to the received signal, so that the sample enters the pH measuring area, the electric door is closed after the sample enters the pH measuring area, and the conveyor belt continuously conveys other samples forwards; the sample falls into the container from the conveyor belt through the electric door, the gravity sensor sends the detected gravity signal to the controller, the controller controls the inclination of the inclination device I according to the received gravity signal, hot water in the heat preservation vessel (11) is poured into the container, the pressure sensor sends the detected pressure signal to the controller, when the pressure reaches a certain value, the controller controls the inclination device I to stop inclining and restore to the original position, the controller controls the time controller to be started, the time set value is 30min, and after the time set value reaches, the controller controls the inclination device II to incline, so that liquid in the container is poured into the funnel; after the liquid is filtered, the liquid flows into a beaker from a funnel, a pH meter in the beaker detects the pH of the liquid and sends the detected pH information to a controller, and the controller sends the received pH information to a display device;
(3) When the sample is transmitted to the upper part of the colony count measuring area, the infrared gravity sensor above the colony count measuring area transmits a detected gravity signal to the controller, the controller opens the electric door above the colony count measuring area according to the received signal, so that the sample enters the colony count measuring area, the electric door is closed after the sample enters the colony count measuring area, and the conveyor belt continuously transmits other samples forwards; the method comprises the steps that a sample enters a colony total number measuring area and is clamped by an electric telescopic clamp, a controller can control the electric telescopic clamp to send the sample into a water container, a pressure sensor on an oscillator sends a detected pressure signal to the controller, the controller controls the oscillator to oscillate according to a preset time according to the received pressure signal, the oscillator stops after the time is over, the controller controls an electromagnetic valve and a metering pump on a pipeline III to be started, supernatant in the water container is sucked out and injected into test tubes in a rotator by an injection gun head, 9ml of physiological saline is arranged in each test tube and used for carrying out gradient dilution on the sample, and the metering pump is set to be 1ml in sampling amount; after the rotator is controlled to swirl for 2min, the electromagnetic valve and the metering pump on the pipeline I are controlled to be opened, so that the test tube is injected into the culture dish on the multifunctional operating platform, and the metering pump is set to be 1ml in sampling quantity; when the gravity sensor at the bottom of the multifunctional operating platform detects the increase of gravity, a signal is sent to the controller, the controller controls the electromagnetic valve and the metering pump on the pipeline II to be opened, so that the PCA culture medium in the conical flask is injected into the culture dish, and the metering pump is set to have the sampling amount of 15-20ml; when the gravity sensor at the bottom of the multifunctional operating platform detects the increase of gravity again, a signal is sent to the controller, the controller controls the micro-rotator to slowly rotate, so that sample liquid in the culture dish and a culture medium are uniformly mixed, the rotation time is controlled to be 2 minutes, after the time is over, the controller controls the temperature controller to be started, the temperature is slowly increased to 37 ℃, and the temperature is kept for 24 hours; the electronic eye may send the monitoring information to the controller, which sends the received monitoring information to the display device.
(4) When the sample is conveyed to the upper part of the odor measuring area, the infrared gravity sensor above the odor measuring area sends a detected gravity signal to the controller, and the controller controls the opening of the electric door above the odor measuring area according to the received signal, so that the sample enters the odor measuring area, the electric door is closed after the sample enters the odor measuring area, and the conveyor belt continuously conveys other samples forwards; the method comprises the steps that a sample enters an odor measuring area from an electric door and falls on a conveying belt, the conveying belt conveys the sample to an objective table, a pressure sensor on the objective table detects pressure change and sends a signal to a controller, the controller controls a Nernst lamp to be started according to the received pressure signal, the odor of the sample is transmitted to a gas absorption tank, after illumination, an optical signal is transmitted to a condenser through an optical fiber, the condenser transmits the optical signal to a light emitter through the optical fiber, the light emitter emits a light beam, the light beam enters a concave lens from an incident slit, the concave lens reflects the light beam to a grating in front for focusing, the grating reflects the light beam to the concave lens through the reflecting effect of the light beam to form a light beam parallel to the incident slit, and in the operation process, the light beams with various wavelengths can be transmitted from the emergent slit sequentially by rotating the grating; the light beam is emitted from the emergent slit to enter the detector, the detector consists of a photoelectric conversion element and a signal amplifier, the photoelectric conversion element in the detector is used for detecting the intensity of monochromatic light and converting the optical signal into an electric signal, and the signal amplifier is used for amplifying the electric signal converted by the photoelectric element; the detector transmits the signal to the controller using the optical fiber as a conductive medium, and the controller transmits the received signal to the display device.
(5) When the sample is conveyed to the position above the sample tissue hardness and elasticity measuring area, the infrared gravity sensor above the sample tissue hardness and elasticity measuring area (7) sends a detected gravity signal to the controller, and the controller controls the opening of the electric door above the sample tissue hardness and elasticity measuring area according to the received signal, so that the sample enters the sample tissue hardness and elasticity measuring area; the method comprises the steps that a sample enters a sample tissue hardness elasticity measuring area from an electric door and falls on a conveying belt, the conveying belt conveys the sample to an operation table, a pressure sensor at the bottom of the operation table detects pressure change and then sends a signal to a controller, the controller controls a lifting device to drive a test probe to downwards measure the hardness and elasticity of the sample according to the received pressure signal, the controller controls the lifting device to drive the test probe to upwards lift after the test is finished, a data recorder sends recorded data to the controller, and the controller sends the received data to a display device.
The beneficial effects of the invention are that
(1) The comprehensive aquatic product quality measuring device adopts a full-automatic process, adopts a time controller to control time, an infrared gravity sensor to sense gravity, a pressure sensor to sense pressure, a micro-rotator and the time controller are combined with the operation of a simulated oscillation test tube, adopts an electronic eye to monitor the total number of bacterial colonies, and a data recorder to record data obtained by a probe, and can detect the pH, the total number of bacterial colonies, smell and hardness elasticity of tissues of an aquatic product;
(2) The device adopts an optical fiber as a transmission medium;
(3) The device utilizes the principle of concave lens and grating reflection light in the zone C and utilizes the principle of Lambert-Beer law to infer gas components;
(4) The evaluation method in the device is to represent the measured value of each index by a tenth value, and finally average the value to evaluate the quality of the whole aquatic product.
Drawings
FIG. 1 is a schematic diagram of a comprehensive measuring device for quality of fresh aquatic products;
FIG. 2 is a schematic diagram of a device for comprehensively measuring the quality of fresh aquatic products;
in the figure: 1: fresh-keeping room, 2: cutting table, 3: conveyor, 4: pH measurement zone, 5: colony count measurement area, 6: odor determination zone, 7: sample tissue hardness elasticity determination zone, 8: container, 9: electric telescopic device, 10: cutter, 11: insulation vessel, 12: beaker, 13: funnel, 14: pH meter, 15: electric telescopic clamp, 16: water container, 17: rotator, 18: multifunctional console, 19: conical flask, 20: test tube, 21: injection gun head, 22: culture dish, 23: electronic eye, 24: micro-rotator, 25: stage, 26: gas absorption cell, 27: condenser, 28: illuminator, 29: entrance slit, 30: concave lens, 31: grating, 32: exit slit, 33: detector, 34: nernst lamp, 35: solenoid valve, 36: operation panel, 37: test probe, 38: data logger, 39: lifting device, 40: conveyor belt 41: electric door 42: tilting devices I, 43: conveyor belt, 44: tilting devices II, 45: gravity sensor, 46: metering pump.
Detailed Description
Example 1
The utility model provides a fresh aquatic products quality comprehensive measurement device, includes fresh-keeping room 1, cutting platform 2, conveyer 3, test area and control system, conveyer 3 can carry the sample after cutting on the cutting platform 2 to the test area, the test area includes pH survey district 4, total bacterial count survey district 5, smell survey district 6 and sample tissue hardness elasticity survey district 7, control system includes controller and display device, controller and display device electricity hookup.
Example 2
The utility model provides a fresh aquatic products quality comprehensive measurement device, includes fresh-keeping room 1, cutting platform 2, conveyer 3, test area and control system, conveyer 3 can carry the sample after cutting on the cutting platform 2 to the test area, the test area includes pH survey district 4, total bacterial count survey district 5, smell survey district 6 and sample tissue hardness elasticity survey district 7, control system includes controller and display device, controller and display device electricity hookup.
The cutting table 2 is arranged below the fresh-keeping chamber 1, the conveying device 3 is arranged below the cutting table 2, an electric door and an electric telescopic device 9 are arranged on the lower bottom surface of the fresh-keeping chamber 1, and after the electric door is opened, a sample in the fresh-keeping chamber 1 falls onto the cutting table 2; the bottom of the electric telescopic device 9 is provided with a cutter 10, the electric telescopic device 9 can push the cutter 10 onto the cutting table 2 so as to cut a sample on the cutting table 2, the cutting table 2 is provided with an electric door, and after the electric door is opened, the sample on the cutting table 2 falls onto the conveying device 3; the electric door and the electric telescopic device 9 are electrically coupled with the controller, and the controller can control the opening and closing of the electric door and the telescopic operation of the electric telescopic device 9; preferably, the number of cutters 10 is 4. The power door may be a power retractable door.
Example 3
The utility model provides a fresh aquatic products quality comprehensive measurement device, includes fresh-keeping room 1, cutting platform 2, conveyer 3, test area and control system, conveyer 3 can carry the sample after cutting on the cutting platform 2 to the test area, the test area includes pH survey district 4, total bacterial count survey district 5, smell survey district 6 and sample tissue hardness elasticity survey district 7, control system includes controller and display device, controller and display device electricity hookup.
Preferably, the conveying device 3 comprises a conveying belt, and an infrared gravity sensor and an electric door are arranged above the pH measuring area 4, the total colony count measuring area 5, the smell measuring area 6 and the sample tissue hardness elasticity measuring area 7, the electric door and the infrared sensor are electrically connected with the controller, the infrared gravity sensor sends detected signals to the controller, and the controller controls the switch of the electric door according to the received signals, so that the sample enters the measuring area. The power door may be a power retractable door.
Example 4
The utility model provides a fresh aquatic products quality comprehensive measurement device, includes fresh-keeping room 1, cutting platform 2, conveyer 3, test area and control system, conveyer 3 can carry the sample after cutting on the cutting platform 2 to the test area, the test area includes pH survey district 4, total bacterial count survey district 5, smell survey district 6 and sample tissue hardness elasticity survey district 7, control system includes controller and display device, controller and display device electricity hookup.
Preferably, the pH measuring area 4 comprises a container 8, a heat insulation vessel 11 and a beaker 12, wherein a funnel 13 and a pH meter 14 are fixed on the beaker 12, the container 8 is arranged right below an electric door on a conveyor belt, and samples can fall into the container 8 from the conveyor belt through the electric door; the heat preservation vessel 11 is arranged above the container 8, the bottoms of the heat preservation vessel 11 and the container 8 are respectively provided with a tilting device I and a tilting device II, the tilting device I can drive the heat preservation vessel 11 to tilt so that liquid in the heat preservation vessel 11 can be poured into the container 8, and the tilting device II can drive the container 8 to tilt so that liquid in the container 8 can be poured into the funnel 13; the tilting device I is also provided with a gravity sensor, a pressure sensor and a time controller, the tilting device I, the tilting device II, the gravity sensor, the pressure sensor, the time controller and the pH meter 14 are electrically connected with the controller, the pH meter 14 sends measured pH information to the controller, and the controller sends the received pH information to the display equipment; the gravity sensor can send a gravity signal to the controller, and the controller controls the inclination of the inclination device I according to the received signal, so that the liquid in the heat preservation vessel 11 is controlled to be poured into the container 8; the pressure sensor can send pressure signals to the controller, the controller controls the switch of the time controller according to the received signals, the time controller sends timing information to the controller, and the controller controls the inclination of the inclination device II according to the received timing information, so that the liquid in the container 8 is controlled to be poured into the funnel 13.
The tilting device I and the tilting device II comprise a fixed platform 47 and a supporting platform 48, the container 8 and the heat preservation vessel 11 are fixed on the fixed platform, the right end of the fixed platform is rotationally connected with a connecting block 50 on the supporting platform, a hydraulic cylinder 49 is arranged on the supporting platform, a hydraulic rod of the hydraulic cylinder is fixed on the lower left bottom surface of the fixed platform, and the hydraulic cylinder can drive the left end of the fixed platform to move up and down, so that the effect of tilting the container 8 and the heat preservation vessel 11 is achieved.
Example 5
The utility model provides a fresh aquatic products quality comprehensive measurement device, includes fresh-keeping room 1, cutting platform 2, conveyer 3, test area and control system, conveyer 3 can carry the sample after cutting on the cutting platform 2 to the test area, the test area includes pH survey district 4, total bacterial count survey district 5, smell survey district 6 and sample tissue hardness elasticity survey district 7, control system includes controller and display device, controller and display device electricity hookup.
Preferably, the colony count measuring zone 5 comprises a water container 16, a rotator 17, a multifunctional operating platform 18 and a conical flask 19, wherein an oscillator 19 is arranged at the bottom of the water container 16, and a pressure sensor is arranged on the oscillator 19; the rotator 17 is provided with a test tube 20, the water container 16 is connected with the rotator 17 through a pipeline III, one end of the pipeline III is inserted into the water container 16, the other end of the pipeline III is provided with an injection gun head 21, the injection gun head 21 is positioned above the test tube 20, and the pipeline III is sequentially provided with an electromagnetic valve and a metering pump; the multifunctional operating platform 18 is connected with the test tube 20 and the conical flask 19 through a pipeline I and a pipeline II respectively, electromagnetic valves and metering pumps are arranged on the pipeline I and the pipeline II, a water sucking gun head is arranged at one end of the pipeline I and is inserted into the test tube 20, an injection gun head is arranged at the other end of the pipeline I and is arranged above a culture dish 22 on the multifunctional operating platform 18; one end of the pipeline II is provided with a water sucking gun head which is inserted into the conical flask 19, and the other end of the pipeline II is provided with an injection gun head which is arranged above the culture dish 22 on the multifunctional operating platform 18; an electronic eye 23 and a temperature controller are arranged in the multifunctional operating platform 18, a gravity sensor is arranged at the bottom of the multifunctional operating platform 18, and a micro-rotator 24 is arranged at the bottom of the culture dish 22; the rotator 17, the oscillator 19, the pressure sensor, the electromagnetic valve, the metering pump, the electronic eye 23, the temperature controller and the micro-rotator 24 are electrically connected with the controller, the pressure sensor on the oscillator 19 sends a pressure signal to the controller, and the controller controls the switch of the oscillator 19 according to the received pressure signal; the controller can control the switch of the electromagnetic valve and the metering pump; the electronic eye 23 may transmit the monitoring information to a controller, and the controller transmits the received monitoring information to a display device.
Example 6
The utility model provides a fresh aquatic products quality comprehensive measurement device, includes fresh-keeping room 1, cutting platform 2, conveyer 3, test area and control system, conveyer 3 can carry the sample after cutting on the cutting platform 2 to the test area, the test area includes pH survey district 4, total bacterial count survey district 5, smell survey district 6 and sample tissue hardness elasticity survey district 7, control system includes controller and display device, controller and display device electricity hookup.
Preferably, the colony count measuring region (5) is further provided with an electric telescopic clamp (15), the electric telescopic clamp (15) can convey samples entering the colony count measuring region (5) from an electric door into the water container (16), the electric telescopic clamp (15) is electrically connected with the controller, and the controller can control the electric telescopic clamp (15) to convey the samples into the water container (16).
Example 7
The utility model provides a fresh aquatic products quality comprehensive measurement device, includes fresh-keeping room 1, cutting platform 2, conveyer 3, test area and control system, conveyer 3 can carry the sample after cutting on the cutting platform 2 to the test area, the test area includes pH survey district 4, total bacterial count survey district 5, smell survey district 6 and sample tissue hardness elasticity survey district 7, control system includes controller and display device, controller and display device electricity hookup.
Preferably, the odor measuring region 6 comprises a conveyor belt 43, a stage 25, a gas absorption cell 26, a condenser 27, a light emitter 28, an entrance slit 29, a concave lens 30, a grating 31, an exit slit 32, a detector 33 and a Nernst lamp 34, wherein the conveyor belt 43 is arranged under the electric door, and a sample enters the odor measuring region 6 from the electric door and falls on the conveyor belt; the conveyor belt 43 can convey the sample to the objective table 25, a pressure sensor is arranged at the bottom of the objective table 25, the pressure sensor sends the detected pressure signal to a controller, and the controller controls the on-off of the Nernst lamp 34 according to the received pressure signal; the Nernst lamp 34 and the gas absorption tank 26 are arranged above the objective table 25, a fan 51 is arranged on the gas absorption tank 26, and under the action of the fan, the gas around the sample on the objective table 25 is sucked into the gas absorption tank 26; a condenser 27 and a light emitter 28 are arranged above the gas absorption tank 26, the condenser 27 transmits light signals to the light emitter 28 through optical fibers, light beams emitted by the light emitter 28 enter the concave lens 30 through the entrance slit 29, the concave lens 30 reflects the light beams to the front grating 31 for focusing, the grating 31 reflects the light beams to the concave lens 30 through the reflection effect of the light beams to form light beams parallel to the entrance slit 29, and in the operation process, the light beams with various wavelengths can be transmitted from the exit slit 32 in sequence through rotating the grating 31; the light beam is emitted from the emission slit 32 into the detector 33, the detector 33 is composed of a photoelectric conversion element and a signal amplifier, the photoelectric conversion element in the detector 33 is used for detecting the intensity of monochromatic light and converting the optical signal into an electric signal, and the signal amplifier is used for amplifying the electric signal converted by the photoelectric element; the detector 33 transmits the signal to the controller using the optical fiber as a conductive medium, and the controller transmits the received signal to the display device.
Example 8
The utility model provides a fresh aquatic products quality comprehensive measurement device, includes fresh-keeping room 1, cutting platform 2, conveyer 3, test area and control system, conveyer 3 can carry the sample after cutting on the cutting platform 2 to the test area, the test area includes pH survey district 4, total bacterial count survey district 5, smell survey district 6 and sample tissue hardness elasticity survey district 7, control system includes controller and display device, controller and display device electricity hookup.
Preferably, the sample tissue hardness elastic measuring zone 7 comprises a conveying belt 40, an operation table 36, a test probe 37, a data recorder 38 and a lifting device 39, wherein the conveying belt 40 is arranged right below the electric door, a sample enters the sample tissue hardness elastic measuring zone 7 from the electric door and falls on the conveying belt 40, the conveying belt 40 can convey the sample to the operation table 36, the test probe 37 and the data recorder 38 are arranged on a beam of the lifting device 39, the test probe 37 and the data recorder 38 are electrically connected, and the test probe 37 can send measured data to the data recorder 38; the bottom of the operation table 36 is provided with a pressure sensor, the pressure sensor sends a detected pressure signal to the controller, the controller controls the lifting device 39 to drive the test probe 37 to downwards measure the hardness and elasticity of the sample according to the received pressure signal, after the test is finished, the controller controls the lifting device 39 to drive the test probe 37 to upwards lift, the data recorder 38 sends recorded data to the controller, and the controller sends the received data to the display device.
Example 9
The utility model provides a fresh aquatic products quality comprehensive measurement device, includes fresh-keeping room 1, cutting platform 2, conveyer 3, test area and control system, conveyer 3 can carry the sample after cutting on the cutting platform 2 to the test area, the test area includes pH survey district 4, total bacterial count survey district 5, smell survey district 6 and sample tissue hardness elasticity survey district 7, control system includes controller and display device, controller and display device electricity hookup.
The cutting table 2 is arranged below the fresh-keeping chamber 1, the conveying device 3 is arranged below the cutting table 2, an electric door and an electric telescopic device 9 are arranged on the lower bottom surface of the fresh-keeping chamber 1, and after the electric door is opened, a sample in the fresh-keeping chamber 1 falls onto the cutting table 2; the bottom of the electric telescopic device 9 is provided with a cutter 10, the electric telescopic device 9 can push the cutter 10 onto the cutting table 2 so as to cut a sample on the cutting table 2, the cutting table 2 is provided with an electric door, and after the electric door is opened, the sample on the cutting table 2 falls onto the conveying device 3; the electric door and the electric telescopic device 9 are electrically coupled with the controller, and the controller can control the opening and closing of the electric door and the telescopic operation of the electric telescopic device 9; preferably, the number of cutters 10 is 4.
Preferably, the conveying device 3 comprises a conveying belt, and an infrared gravity sensor and an electric door are arranged above the pH measuring area 4, the total colony count measuring area 5, the smell measuring area 6 and the sample tissue hardness elasticity measuring area 7, the electric door and the infrared sensor are electrically connected with the controller, the infrared gravity sensor sends detected signals to the controller, and the controller controls the switch of the electric door according to the received signals, so that the sample enters the measuring area.
Preferably, the pH measuring area 4 comprises a container 8, a heat insulation vessel 11 and a beaker 12, wherein a funnel 13 and a pH meter 14 are fixed on the beaker 12, the container 8 is arranged right below an electric door on a conveyor belt, and samples can fall into the container 8 from the conveyor belt through the electric door; the heat preservation vessel 11 is arranged above the container 8, the bottoms of the heat preservation vessel 11 and the container 8 are respectively provided with a tilting device I and a tilting device II, the tilting device I can drive the heat preservation vessel 11 to tilt so that liquid in the heat preservation vessel 11 can be poured into the container 8, and the tilting device II can drive the container 8 to tilt so that liquid in the container 8 can be poured into the funnel 13; the tilting device I is also provided with a gravity sensor, a pressure sensor and a time controller, the tilting device I, the tilting device II, the gravity sensor, the pressure sensor, the time controller and the pH meter 14 are electrically connected with the controller, the pH meter 14 sends measured pH information to the controller, and the controller sends the received pH information to the display equipment; the gravity sensor can send a gravity signal to the controller, and the controller controls the inclination of the inclination device I according to the received signal, so that the liquid in the heat preservation vessel 11 is controlled to be poured into the container 8; the pressure sensor can send pressure signals to the controller, the controller controls the switch of the time controller according to the received signals, the time controller sends timing information to the controller, and the controller controls the inclination of the inclination device II according to the received timing information, so that the liquid in the container 8 is controlled to be poured into the funnel 13.
Preferably, the colony count measuring zone 5 comprises a water container 16, a rotator 17, a multifunctional operating platform 18 and a conical flask 19, wherein an oscillator 19 is arranged at the bottom of the water container 16, and a pressure sensor is arranged on the oscillator 19; the rotator 17 is provided with a test tube 20, the water container 16 is connected with the rotator 17 through a pipeline III, one end of the pipeline III is inserted into the water container 16, the other end of the pipeline III is provided with an injection gun head 21, the injection gun head 21 is positioned above the test tube 20, and the pipeline III is sequentially provided with an electromagnetic valve and a metering pump; the multifunctional operating platform 18 is connected with the test tube 20 and the conical flask 19 through a pipeline I and a pipeline II respectively, electromagnetic valves and metering pumps are arranged on the pipeline I and the pipeline II, a water sucking gun head is arranged at one end of the pipeline I and is inserted into the test tube 20, an injection gun head is arranged at the other end of the pipeline I and is arranged above a culture dish 22 on the multifunctional operating platform 18; one end of the pipeline II is provided with a water sucking gun head which is inserted into the conical flask 19, and the other end of the pipeline II is provided with an injection gun head which is arranged above the culture dish 22 on the multifunctional operating platform 18; an electronic eye 23 and a temperature controller are arranged in the multifunctional operating platform 18, a gravity sensor is arranged at the bottom of the multifunctional operating platform 18, and a micro-rotator 24 is arranged at the bottom of the culture dish 22; the rotator 17, the oscillator 19, the pressure sensor, the electromagnetic valve, the metering pump, the electronic eye 23, the temperature controller and the micro-rotator 24 are electrically connected with the controller, the pressure sensor on the oscillator 19 sends a pressure signal to the controller, and the controller controls the switch of the oscillator 19 according to the received pressure signal; the controller can control the switch of the electromagnetic valve and the metering pump; the electronic eye 23 may transmit the monitoring information to a controller, and the controller transmits the received monitoring information to a display device.
Preferably, the odor measuring region 6 comprises a conveyor belt 43, a stage 25, a gas absorption cell 26, a condenser 27, a light emitter 28, an entrance slit 29, a concave lens 30, a grating 31, an exit slit 32, a detector 33 and a Nernst lamp 34, wherein the conveyor belt 43 is arranged under the electric door, and a sample enters the odor measuring region 6 from the electric door and falls on the conveyor belt; the conveyor belt 43 can convey the sample to the objective table 25, a pressure sensor is arranged at the bottom of the objective table 25, the pressure sensor sends the detected pressure signal to a controller, and the controller controls the on-off of the Nernst lamp 34 according to the received pressure signal; the Nernst lamp 34 and the gas absorption tank 26 are arranged above the object stage 25, a condenser 27 and a light emitter 28 are arranged above the gas absorption tank 26, the condenser 27 transmits light signals to the light emitter 28 through optical fibers, light beams emitted by the light emitter 28 enter the concave lens 30 through the incidence slit 29, the concave lens 30 reflects the light beams to the front grating 31 for focusing, the grating 31 reflects the light beams to the concave lens 30 through the reflection effect of the light beams to form light beams parallel to the incidence slit 29, and light with various wavelengths can be transmitted from the emergent slit 32 in sequence by rotating the grating 31 in the operation process; the light beam is emitted from the emission slit 32 into the detector 33, the detector 33 is composed of a photoelectric conversion element and a signal amplifier, the photoelectric conversion element in the detector 33 is used for detecting the intensity of monochromatic light and converting the optical signal into an electric signal, and the signal amplifier is used for amplifying the electric signal converted by the photoelectric element; the detector 33 transmits the signal to the controller using the optical fiber as a conductive medium, and the controller transmits the received signal to the display device.
Preferably, the sample tissue hardness elasticity measuring area 7 comprises a conveying belt 40, an operation table 36, a test probe 37, a data recorder 38 and a lifting device 39, wherein the conveying belt 40 is arranged right below the electric door, a sample enters the sample tissue hardness elasticity measuring area 7 from the electric door and falls on the conveying belt 40, the conveying belt 40 can convey the sample to the operation table 36, the test probe 37 and the data recorder 38 are arranged on a beam of the lifting device 39, a pressure sensor is arranged at the bottom of the operation table 36 and sends detected pressure signals to the controller, the controller controls the lifting device 39 to drive the test probe 37 to downwards measure the hardness and elasticity of the sample according to the received pressure signals, the controller controls the lifting device 39 to drive the test probe 37 to upwards lift after the test is finished, the data recorder 38 sends recorded data to the controller, and the controller sends the received data to the display device.
Example 10
A method for comprehensively measuring the quality of fresh aquatic products, which is measured by using the comprehensive measuring device for the quality of the fresh aquatic products in any one of the above examples 1-7.
Example 11
The comprehensive quality measurement method for fresh aquatic products, which takes the quality change in the turbot controlled atmosphere preservation process as an example, comprises the following steps:
(1) The controller controls the electric door on the fresh-keeping chamber 1 to be opened so that the sample to be detected falls onto the cutting table 2, and controls the electric telescopic device 9 to push the cutter 10 onto the cutting table 2, so that the sample on the cutting table 2 is cut into 4 parts; controlling an electric door on the cutting table 2 to be opened so that a sample on the cutting table 2 falls onto the conveying device 3; the conveying device 3 conveys the sample to the test area through a conveying belt;
(2) When the sample is conveyed to the position above the pH measuring area 4, the infrared gravity sensor above the pH measuring area 4 sends a detected gravity signal to the controller, the controller controls the opening of the electric door above the pH measuring area 4 according to the received signal, so that the sample enters the pH measuring area 4, the electric door is closed after the sample enters the pH measuring area 4, and the conveyor belt continuously conveys other samples forwards; the sample falls into the container 8 from the conveyor belt through the electric door, the gravity sensor sends the detected gravity signal to the controller, the controller controls the inclination of the inclination device I according to the received gravity signal, hot water in the heat preservation vessel 11 is poured into the container 8, the pressure sensor sends the detected pressure signal to the controller, when the pressure reaches a certain value, the controller controls the inclination device I to stop inclining and restore to the original position, the controller controls the time controller to be started, the time set value is 30min, and after the time set value reaches, the controller controls the inclination of the inclination device II, so that liquid in the container 8 is poured into the funnel 13; after the liquid is filtered, the liquid flows into the beaker 12 from the funnel 13, the pH meter 14 in the beaker 12 detects the pH of the liquid and sends the detected pH information to the controller, and the controller sends the received pH information to the display device;
(3) When the sample is transmitted to the upper part of the colony count measuring area 5, the infrared gravity sensor above the colony count measuring area 5 sends a detected gravity signal to the controller, and the controller enables the sample to enter the colony count measuring area 5 according to the received signal, and the electric door above the colony count measuring area 5 is closed after the sample enters the colony count measuring area 5, so that the conveyor belt continuously transmits other samples forwards; the sample enters the colony total number measuring area 5 and is clamped by the electric telescopic clamp 15, the controller can control the electric telescopic clamp 15 to send the sample into the water container 16, the pressure sensor on the oscillator 19 sends the detected pressure signal to the controller, the controller controls the oscillator 19 to oscillate according to the preset time according to the received pressure signal, the oscillator 19 stops after the time is over, the controller controls the electromagnetic valve and the metering pump on the pipeline III to be started, so that the supernatant in the water container 16 is sucked out and injected into the test tubes 20 in the rotator by the injection gun head, 9ml of physiological saline is arranged in each test tube 20 and used for carrying out gradient dilution on the sample, and the metering pump is set to be 1ml in sampling amount; after the rotator 17 is controlled to swirl for 2min, the electromagnetic valve and the metering pump on the pipeline I are controlled to be opened, so that the test tube 20 is injected into the culture dish 22 on the multifunctional operating platform 18, and the metering pump is set to be 1ml in sampling amount; when the gravity sensor at the bottom of the multifunctional operating platform 18 detects the increase of gravity, a signal is sent to the controller, the controller controls the electromagnetic valve and the metering pump on the pipeline II to be opened, so that the PCA culture medium in the conical flask 19 is injected into the culture dish 22, and the metering pump is set to have the sampling amount of 15-20ml; when the gravity sensor at the bottom of the multifunctional operating platform 18 detects the increase of gravity again, a signal is sent to the controller, the controller controls the micro-rotator 24 to slowly rotate, so that the sample liquid in the culture dish 22 and the culture medium are uniformly mixed, the rotation time is controlled to be 2 minutes, after the time is over, the controller controls the temperature controller to be started, the temperature is slowly increased to 37 ℃, and the temperature is kept for 24 hours; the electronic eye 23 may transmit the monitoring information to a controller, which transmits the received monitoring information to a display device.
(4) When the sample is conveyed to the upper part of the odor measuring area 6, the infrared gravity sensor above the odor measuring area 6 sends a detected gravity signal to the controller, the controller controls the opening of the electric door above the odor measuring area 6 according to the received signal, so that the sample enters the odor measuring area 6, the electric door is closed after the sample enters the odor measuring area 6, and the conveyor belt continues to convey other samples forwards; the sample enters the odor measuring area 6 from the electric door and falls on the conveyer belt 24, the conveyer belt 24 conveys the sample to the object stage 25, the pressure sensor on the object stage 25 detects the pressure change and sends the signal to the controller, the controller controls the Nernst lamp 34 to be started according to the received pressure signal, the odor of the sample is transmitted into the gas absorption tank 26, after illumination, the light signal is transmitted to the condenser 27 through the optical fiber, the condenser 27 transmits the light signal to the light emitter 28 through the optical fiber, the light emitter 28 emits the light beam, the light beam enters the concave lens 30 through the incident slit 29, the concave lens 30 reflects the light beam to the front grating 31 for focusing, the grating 31 reflects the light beam to the concave lens 30 through the reflecting effect of the light beam to form the light beam parallel to the incident slit 29, and during operation, the light beams with various wavelengths can be transmitted from the emergent slit 32 in sequence through rotating the grating 31; the light beam is emitted from the emission slit 32 into the detector 33, the detector 33 is composed of a photoelectric conversion element and a signal amplifier, the photoelectric conversion element in the detector 33 is used for detecting the intensity of monochromatic light and converting the optical signal into an electric signal, and the signal amplifier is used for amplifying the electric signal converted by the photoelectric element; the detector 33 transmits the signal to the controller using the optical fiber as a conductive medium, and the controller transmits the received signal to the display device.
(5) When the sample is conveyed to the position above the sample tissue hardness and elasticity measuring area 7, the infrared gravity sensor above the sample tissue hardness and elasticity measuring area 7 sends a detected gravity signal to the controller, and the controller controls the opening of the electric door above the sample tissue hardness and elasticity measuring area 7 according to the received signal, so that the sample enters the sample tissue hardness and elasticity measuring area 7; the sample enters the sample tissue hardness elasticity measuring area 7 from the electric door and falls on the conveyer belt 40, the conveyer belt 40 conveys the sample to the operation table 36, a pressure sensor at the bottom of the operation table 36 detects pressure change and then sends a signal to the controller, the controller controls the lifting device 39 to drive the test probe 37 to downwards measure the hardness and elasticity of the sample according to the received pressure signal, after the test is finished, the controller controls the lifting device 39 to drive the test probe 37 to upwards lift, the data recorder 38 sends recorded data to the controller, and the controller sends the received data to the display device.
The specific partitioning details of all the data expressed by the numerical values of the ten systems are shown in the table 1, all the indexes are averaged by the numerical values expressed by the ten systems, the quality of the aquatic products is evaluated according to the partitioning standard, and the quality grade of the aquatic products is classified according to the partitioning standard: special products: 10-9, first grade: 8-7 minutes, and the like: 6-5 minutes, three grades: 4-3 minutes, inferior product: 2 min-1 min.
TABLE 1 conversion table for ten systems among various indexes
The foregoing is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention, so that all equivalent structural changes made by the present invention in the specification and drawings are included in the scope of the present invention.

Claims (8)

1. The comprehensive quality measurement device for the fresh aquatic products is characterized by comprising a fresh-keeping chamber (1), a cutting table (2), a conveying device (3), a test area and a control system, wherein the conveying device (3) can convey samples cut on the cutting table (2) to the test area, the test area comprises a pH measurement area (4), a total colony count measurement area (5), an odor measurement area (6) and a sample tissue hardness elasticity measurement area (7), and the control system comprises a controller and a display device, and the controller is electrically connected with the display device;
the pH measuring area (4) comprises a container (8), a heat insulation vessel (11) and a beaker (12), wherein a funnel (13) and a pH meter (14) are fixed on the beaker (12), the container (8) is arranged right below an electric door on a conveyor belt, and samples can fall into the container (8) from the conveyor belt through the electric door; the heat preservation vessel (11) is arranged above the container (8), the bottoms of the heat preservation vessel (11) and the container (8) are respectively provided with a tilting device I and a tilting device II, the tilting devices I can drive the heat preservation vessel (11) to tilt so that liquid in the heat preservation vessel (11) can be poured into the container (8), and the tilting devices II can drive the container (8) to tilt so that liquid in the container (8) can be poured into the funnel (13); the tilting device II is further provided with a gravity sensor, a pressure sensor and a time controller, the tilting device I, the tilting device II, the gravity sensor, the pressure sensor, the time controller and the pH meter (14) are electrically connected with the controller, the pH meter (14) sends measured pH information to the controller, and the controller sends the received pH information to the display equipment; the gravity sensor can send a gravity signal to the controller, and the controller controls the inclination of the inclination device I according to the received signal, so that the liquid in the heat preservation vessel (11) is controlled to be poured into the container (8); the pressure sensor can send pressure signals to the controller, the controller controls the switch of the time controller according to the received signals, the time controller sends timing information to the controller, and the controller controls the inclination of the inclination device II according to the received timing information, so that the liquid in the container (8) is controlled to be poured into the funnel (13).
2. The comprehensive fresh aquatic product quality measurement device according to claim 1, wherein: the cutting table (2) is arranged below the fresh-keeping chamber (1), the conveying device (3) is arranged below the cutting table (2), an electric door and an electric telescopic device (9) are arranged on the lower bottom surface of the fresh-keeping chamber (1), and after the electric door is opened, a sample in the fresh-keeping chamber (1) falls onto the cutting table (2); the bottom of the electric telescopic device (9) is provided with a cutter (10), the electric telescopic device (9) can push the cutter (10) to the cutting table (2) so as to cut a sample on the cutting table (2), the cutting table (2) is provided with an electric door, and after the electric door is opened, the sample on the cutting table (2) falls onto the conveying device (3); the electric door and the electric telescopic device (9) are electrically connected with the controller, and the controller can control the opening and closing of the electric door and the telescopic operation of the electric telescopic device (9).
3. The comprehensive fresh aquatic product quality measuring device according to claim 2, wherein: the conveying device (3) comprises a conveying belt, wherein the conveying belt is arranged above the pH measuring area (4), the colony total number measuring area (5), the smell measuring area (6) and the sample tissue hardness elasticity measuring area (7), an infrared gravity sensor and an electric door are arranged above the conveying belt, the electric door and the infrared sensor are electrically connected with the controller, the infrared gravity sensor can send detected signals to the controller, and the controller controls the switch of the electric door according to the received signals, so that samples enter the measuring area.
4. The apparatus for comprehensively measuring quality of fresh aquatic products according to claim 3, wherein: the colony total number measuring area (5) comprises a water container (16), a rotator (17), a multifunctional operating platform (18) and a conical flask (19), wherein an oscillator is arranged at the bottom of the water container (16), and a pressure sensor is arranged on the oscillator; the water container (16) is connected with the rotator (17) through a pipeline III, one end of the pipeline III is inserted into the water container (16), the other end of the pipeline III is provided with an injection gun head (21), the injection gun head (21) is positioned above the test tube (20), and the pipeline III is sequentially provided with an electromagnetic valve and a metering pump; the multifunctional operating platform (18) is connected with the test tube (20) and the conical flask (19) through a pipeline I and a pipeline II respectively, an electromagnetic valve and a metering pump are arranged on the pipeline I and the pipeline II, a water sucking gun head is arranged at one end of the pipeline I and inserted into the test tube (20), an injection gun head is arranged at the other end of the pipeline I, and the injection gun head is arranged above a culture dish (22) on the multifunctional operating platform (18); one end of the pipeline II is provided with a water sucking gun head which is inserted into the conical flask (19), and the other end of the pipeline II is provided with an injection gun head which is arranged above a culture dish (22) on the multifunctional operating platform (18); an electronic eye (23) and a temperature controller are arranged in the multifunctional operating platform (18), a gravity sensor is arranged at the bottom of the multifunctional operating platform (18), and a micro-rotator (24) is arranged at the bottom of the culture dish (22); the rotator (17), the oscillator, the pressure sensor, the electromagnetic valve, the metering pump, the electronic eye (23), the temperature controller and the micro-rotator (24) are electrically connected with the controller, the pressure sensor on the oscillator sends a pressure signal to the controller, and the controller controls the switch of the oscillator according to the received pressure signal; the controller can control the switch of the electromagnetic valve and the metering pump; the electronic eye (23) may send the monitoring information to a controller, which sends the received monitoring information to a display device.
5. The comprehensive fresh aquatic product quality measuring apparatus according to claim 4, wherein: the electric telescopic clamp (15) is further arranged in the colony count measuring region (5), samples entering the colony count measuring region (5) from the electric door can be conveyed into the water container (16) through the electric telescopic clamp (15), the electric telescopic clamp (15) is electrically connected with the controller, and the controller can control the electric telescopic clamp (15) to convey the samples into the water container (16).
6. The comprehensive fresh aquatic product quality measuring apparatus according to claim 5, wherein: the odor measuring area (6) comprises a conveying belt (43), a carrying table (25), a gas absorption tank (26), a condenser (27), a light emitter (28), an incident slit (29), a concave lens (30), a grating (31), an emergent slit (32), a detector (33) and a Nernst lamp (34), wherein the conveying belt (43) is arranged under the electric door, and a sample enters the odor measuring area (6) from the electric door and falls on the conveying belt (43); the conveying belt (43) can convey samples to the objective table (25), a pressure sensor is arranged at the bottom of the objective table (25), the pressure sensor sends detected pressure signals to the controller, and the controller controls the switch of the Nernst lamp (34) according to the received pressure signals; the Nernst lamp (34) and the gas absorption tank (26) are arranged above the object stage (25), a light collector (27) and a light emitter (28) are arranged above the gas absorption tank (26), the light collector (27) transmits light signals to the light emitter (28) through optical fibers, light beams emitted by the light emitter (28) enter the concave lens (30) through the entrance slit (29), the concave lens (30) reflects the light beams to the front grating (31) to focus, the grating (31) reflects the light beams to the concave lens (30) through the reflection effect of the light beams to form light beams parallel to the entrance slit (29), and in the operation process, the light beams with various wavelengths can be transmitted out of the exit slit (32) sequentially through rotating the grating (31); the light beam is emitted from an emitting slit (32) into a detector (33), the detector (33) is composed of a photoelectric conversion element and a signal amplifier, the photoelectric conversion element in the detector (33) is used for detecting the intensity of monochromatic light and converting the light signal into an electric signal, and the signal amplifier is used for amplifying the electric signal converted by the photoelectric element; the detector (33) transmits the signal to the controller using the optical fiber as a conductive medium, and the controller transmits the received signal to the display device.
7. The comprehensive fresh aquatic product quality measuring apparatus according to claim 6, wherein: the device is characterized in that the sample tissue hardness elasticity measuring area (7) comprises a conveying belt (40), an operation table (36), a test probe (37), a data recorder (38) and a lifting device (39), the conveying belt (40) is arranged under the electric door, samples enter the sample tissue hardness elasticity measuring area (7) from the electric door and fall on the conveying belt (40), the conveying belt (40) can convey the samples to the operation table (36), the test probe (37) and the data recorder (38) are arranged on a cross beam of the lifting device (39), a pressure sensor is arranged at the bottom of the operation table (36), the pressure sensor sends detected pressure signals to the controller, the controller controls the lifting device (39) to drive the test probe (37) to downwards measure the hardness and elasticity of the samples, after the test is finished, the controller controls the lifting device (39) to drive the test probe (37) to upwards lift, the data recorder (38) sends recorded data to the controller, and the controller sends the received data to a display device.
8. A comprehensive measurement method for quality of fresh aquatic products is characterized in that: the method for measuring the quality of fresh aquatic products by using the comprehensive measuring device of claim 7, comprising the following steps:
(1) The controller controls an electric door on the fresh-keeping chamber (1) to be opened, so that a sample to be detected falls onto the cutting table (2), and controls the electric telescopic device (9) to push the cutter (10) onto the cutting table (2), so that the sample on the cutting table (2) is cut into 4 parts; controlling an electric door on the cutting table (2) to be opened, so that a sample on the cutting table (2) falls onto the conveying device (3); the conveying device (3) conveys the sample to the test area through a conveying belt;
(2) When the sample is conveyed to the position above the pH measuring area (4), the infrared gravity sensor above the pH measuring area (4) sends a detected gravity signal to the controller, and the controller controls the opening of the electric door above the pH measuring area (4) according to the received signal, so that the sample enters the pH measuring area (4), the electric door is closed after the sample enters the pH measuring area (4), and the conveyor belt continuously conveys other samples forwards; the sample falls into the container (8) from the conveyor belt through the electric door, the gravity sensor sends the detected gravity signal to the controller, the controller controls the inclination of the inclination device I according to the received gravity signal, hot water in the heat preservation vessel (11) is poured into the container (8), the pressure sensor sends the detected pressure signal to the controller, when the pressure reaches a certain value, the controller controls the inclination device I to stop inclining and restore to the original position, the controller controls the time controller to be started, the time set value is 30min, and after the time set value is reached, the controller controls the inclination of the inclination device II, so that liquid in the container (8) is poured into the funnel (13); after the liquid is filtered, the liquid flows into a beaker (12) from a funnel (13), a pH meter (14) in the beaker (12) detects the pH of the liquid, the detected pH information is sent to a controller, and the controller sends the received pH information to a display device;
(3) When the sample is conveyed to the position above the colony count measuring area (5), the infrared gravity sensor above the colony count measuring area (5) sends a detected gravity signal to the controller, and the controller enables the sample to enter the colony count measuring area (5) according to the received signal, and the electric door above the colony count measuring area (5) is closed after the sample enters the colony count measuring area (5), so that the conveyor belt continuously conveys other samples forwards; the method comprises the steps that a sample enters a colony total number measuring area (5) and is clamped by an electric telescopic clamp (15), a controller can control the electric telescopic clamp (15) to send the sample into a water container (16), a pressure sensor on an oscillator sends a detected pressure signal to the controller, the controller controls the oscillator to oscillate according to a preset time according to the received pressure signal, the oscillator stops after the time is over, the controller controls an electromagnetic valve and a metering pump on a pipeline III to be started, supernatant in the water container (16) is sucked out and injected into test tubes (20) in a rotator by an injection gun head, 9ml of normal saline is arranged in each test tube (20) and used for carrying out gradient dilution on the sample, and the metering pump is set to be 1ml in sampling amount; after the rotator (17) is controlled to swirl for 2min, an electromagnetic valve and a metering pump on a pipeline I are controlled to be opened, so that a test tube (20) is injected into a culture dish (22) on a multifunctional operating platform (18), and the metering pump is set to be 1ml in sampling quantity; when the gravity sensor at the bottom of the multifunctional operating platform (18) detects the increase of gravity, a signal is sent to the controller, the controller controls the electromagnetic valve and the metering pump on the pipeline II to be opened, so that the PCA culture medium in the conical flask (19) is injected into the culture dish (22), and the metering pump is set to have the sampling amount of 15-20ml; when the gravity sensor at the bottom of the multifunctional operating platform (18) detects the increase of gravity again, a signal is sent to the controller, the controller controls the micro-rotator (24) to slowly rotate, so that sample liquid in the culture dish (22) and a culture medium are uniformly mixed, the rotation time is controlled to be 2 minutes, and after the time is over, the controller controls the temperature controller to be started, the temperature is slowly increased to 37 ℃, and the temperature is kept for 24 hours; the electronic eye (23) can send the monitoring information to the controller, and the controller sends the received monitoring information to the display device;
(4) When the sample is conveyed to the upper part of the smell measuring area (6), the infrared gravity sensor above the smell measuring area (6) sends a detected gravity signal to the controller, and the controller controls the opening of the electric door above the smell measuring area (6) according to the received signal, so that the sample enters the smell measuring area (6), the electric door is closed after the sample enters the smell measuring area (6), and the conveyor belt continues to convey other samples forwards; the sample enters the odor measuring area (6) from the electric door and falls on the conveying belt (43), the conveying belt (43) conveys the sample to the object stage (25), the pressure sensor on the object stage (25) detects the pressure change, the signal is sent to the controller, the controller controls the Nernst lamp (34) to be started according to the received pressure signal, the odor of the sample is sent to the gas absorption tank (26), after illumination, the light signal is sent to the light collector (27) through the optical fiber, the light collector (27) sends the light signal to the light emitter (28) through the optical fiber, the light emitter (28) emits light beams, the light beams enter the concave lens (30) through the entrance slit (29), the concave lens (30) reflects the light beams to the front grating (31) to focus, the grating (31) reflects the light beams to the concave lens (30) through the reflection effect of the light beams, the light beams are parallel to the entrance slit (29), and the light beams with various wavelengths can be sequentially transmitted from the exit slit (32) through rotating the grating (31) in the operation process; the light beam is emitted from an emitting slit (32) into a detector (33), the detector (33) is composed of a photoelectric conversion element and a signal amplifier, the photoelectric conversion element in the detector (33) is used for detecting the intensity of monochromatic light and converting the light signal into an electric signal, and the signal amplifier is used for amplifying the electric signal converted by the photoelectric element; the detector (33) transmits the signal to the controller by using the optical fiber as a conducting medium, and the controller sends the received signal to the display device;
(5) When the sample is conveyed to the position above the sample tissue hardness and elasticity measuring area (7), the infrared gravity sensor above the sample tissue hardness and elasticity measuring area (7) sends a detected gravity signal to the controller, and the controller controls the opening of the electric door above the sample tissue hardness and elasticity measuring area (7) according to the received signal, so that the sample enters the sample tissue hardness and elasticity measuring area (7); the sample enters the sample tissue hardness elasticity measuring area (7) from the electric door and falls on the conveyer belt (40), the conveyer belt (40) conveys the sample to the operation panel (36), a pressure sensor at the bottom of the operation panel (36) detects pressure change and then sends a signal to the controller, the controller controls the lifting device (39) to drive the test probe (37) to downwards measure the hardness and elasticity of the sample according to the received pressure signal, the controller controls the lifting device (39) to drive the test probe (37) to upwards lift after the test is finished, the data recorder (38) sends recorded data to the controller, and the controller sends the received data to the display device.
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