A method for judging the fermentation end point of edamame by using a light sensor
A light sensor, fermentation end-point technology, applied in instruments, scientific instruments, material analysis by optical means, etc., can solve problems such as harmful bacteria breeding, long fermentation time, and errors that are easily affected by many factors, so as to improve production. Efficiency, simple processing method, quick and efficient judgment
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Embodiment 1
[0027] A method for determining the end point of fermented tofu by using a photoresistive sensor and a laser transmitter, comprising the following steps:
[0028] 1. Preparation of tofu: use selected soybeans to make water tofu through traditional pulping and point pulping techniques;
[0029] 2. Fermentation by cutting into pieces: cut the prepared water tofu into small pieces of equal height, and place them flat on the bamboo strips for fermentation. The shape is as follows: figure 1 shown;
[0030] 3. Install the laser transmitter and photoresistor sensor: install a horizontal laser transmitter with a wavelength of 570nm at a height h above the upper surface of the edamame, and at the same time, at the same height as the opposite side of the laser transmitter, at a distance of L Install a YL-38 photoresistive sensor to receive the laser emitted by the laser transmitter; the installation location is as follows figure 1 as shown, figure 1 It is a schematic diagram of the i...
Embodiment 2
[0038] 1. Preparation of tofu: use selected soybeans to make water tofu through traditional pulping and point pulping techniques;
[0039] 2. Fermentation by cutting into pieces: cut the prepared water tofu into small pieces of equal height, and place them flat on the bamboo strips for fermentation. The shape is as follows: figure 1 shown;
[0040] 3. Install the laser emitter and photoresistor sensor: install a horizontal laser emitter with a wavelength of 650nm at a height h above the upper surface of the edamame, and at the same time, at the same height as the opposite side of the laser emitter, at a distance of L Install a YL-38 photoresistive sensor to receive the laser emitted by the laser transmitter;
[0041] 4. Determination of the initial laser signal value: Before the fermented tofu starts to ferment, turn on the laser transmitter to emit a laser with a wavelength of 650nm, and use a photoresistive sensor to detect the received laser signal, convert it into an elec...
Embodiment 3
[0048] 1. Preparation of tofu: use selected soybeans to make water tofu through traditional pulping and point pulping techniques;
[0049] 2. Fermentation by cutting into pieces: cut the prepared water tofu into small pieces of equal height, and place them flat on the bamboo strips for fermentation. The shape is as follows: figure 1 shown;
[0050] 3. Install the ultraviolet light emitter and photoresistor sensor: install a horizontal direction ultraviolet light generator with a wavelength of 190nm at a height h above the upper surface of the edamame, and at the same time, also at the opposite height of the ultraviolet light emitter, A YL-38 photoresistive sensor is installed at a distance L to receive the ultraviolet light emitted by the ultraviolet light emitter;
[0051] 4. Determination of the initial UV signal value: Before the edamame starts to ferment, turn on the UV transmitter to emit UV light with a wavelength of 190nm, and use a photoresistive sensor to detect the ...
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