Method and apparatus for quickly detecting spoilage of fresh meat
A detection device, fresh meat technology, applied in the direction of material resistance, material impedance, etc., can solve the problem of no positive correlation between fresh meat deterioration and so on
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Embodiment 1
[0022] Embodiment 1 (with reference to Fig. 1):
[0023] This example is an example of improving the detection device on the basis of the general introduction.
[0024] In this example, a photoelectric sensor S1 is set between the leaching solution injection port 1 and the switch control valve V1 closest to it, and a photoelectric sensor S1 is installed between the two current electrodes (C1, C2) and the switch control valves (V1, V2) closest to them respectively. ) are each provided with a photoelectric sensor (S2, S3); the three photoelectric sensors (S1, S2, S3) are all connected to the controller.
[0025] Due to the three photoelectric sensors (S1, S2, S3), when the leach solution of the sample is injected from the injection port 1, the controller can automatically start the measurement procedure.
Embodiment 2
[0026] Embodiment 2 (with reference to Fig. 1):
[0027] This example is an example of making another improvement to the detection device on the basis of the said general description; or an example of further improvement on the basis of Example 1.
[0028] In this example, the switch control valve V2 close to the delivery pump 3 (the delivery pump 3 in this example is a peristaltic pump) is a two-position two-way valve, and the switch control valve V1 close to the leachate injection port 1 is a three-position two-way valve. A main cleaning pipe 5 is connected to the three-position two-way valve, and the main cleaning pipe 5 is connected with a distilled water input pipe 6 , a brine input pipe 7 and a compressed air input pipe 8 located at the farthest end. There is a three-position two-way valve (V3, V4) at the connection between the distilled water input pipe 6, the brine input pipe 7 and the cleaning main pipe 5, and there is a two-position two-way valve at the connection be...
Embodiment 3
[0030] Embodiment 3 (with reference to Fig. 1):
[0031] This example is an example of its further improvement on the basis of Example 2.
[0032] In this example, all 3 / 2-way valves and 2 / 2-way valves (V1, V2, V3, V4, V5) are connected to the controller through a multi-way switch.
[0033] With the structure added by the improvement of this example, the controller controls the opening and closing of all three-position two-way valves and two-position two-way valves (V1, V2, V3, V4, V5) through a multi-way switch, the entire detection The device can automatically and quickly measure.
[0034]Now, using the detection method of the present invention in combination with the device of Example 3, the detection steps of whether the fresh meat has deteriorated or the degree of deterioration will be further disclosed.
[0035] At each measurement:
[0036] (1) Use a disposable needle to inject the leach solution of the sample fresh meat from the injection port 1 into the pipeline sy...
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