Ultralow-temperature refrigerator electric cabinet provided with patch-cord misplug prevention function
An electric control box and anti-misplug technology, which is applied in the field of electric control boxes, can solve problems such as messy wiring, low production efficiency, and difficulty in keeping up with the plug-in speed, so as to meet the requirements of fast plug-in, improve production efficiency, and facilitate The effect of the line check
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Embodiment 1
[0023] Such as figure 1 As shown, in this embodiment, the electric control box of the ultra-low temperature freezer with the function of preventing misplugging of plug wires, first installs the transformer 2, the AC contactor 3 and the computer board 4 in the electric control box body 1, And connect the transformer 2, the AC contactor 3 and the computer board 4 through several internal connection harnesses, including the step-down connection harness 16 connecting the transformer 2 and the AC contactor 3, and the step-up connection connecting the transformer 2 and the AC contactor 3 The wire harness 17, and the step-down connection wire harness 16 and the boost connection wire harness 17 are distinguished by wire harnesses of different colors. Specifically, the live wire in the step-down connection wire harness 16 adopts a gray wire harness, and the live wire in the boost connection wire harness 17 adopts a red wire harness. But it is not limited to these two colors, and the wi...
Embodiment 2
[0028] Such as figure 2 As shown, in this embodiment, the electric control box of the ultra-low temperature freezer with the function of preventing misplugging of plug wires, first installs the transformer 2, the AC contactor 3 and the computer board 4 in the electric control box body 1, And connect the transformer 2, the AC contactor 3 and the computer board 4 through several internal connection harnesses, including the step-down connection harness 16 connecting the transformer 2 and the AC contactor 3, and the step-up connection connecting the transformer 2 and the AC contactor 3 The wire harness 17, and the step-down connection wire harness 16 and the boost connection wire harness 17 are distinguished by wire harnesses of different colors. Specifically, the live wire in the step-down connection wire harness 16 adopts a gray wire harness, and the live wire in the boost connection wire harness 17 adopts a red wire harness. But it is not limited to these two colors, and the w...
Embodiment 3
[0033] Such as image 3 As shown, in this embodiment, the electric control box of the ultra-low temperature freezer with the function of preventing misplugging of plug wires, first installs the transformer 2, the AC contactor 3 and the computer board 4 in the electric control box body 1, And connect the transformer 2, the AC contactor 3 and the computer board 4 through several internal connection harnesses, including the step-down connection harness 16 connecting the transformer 2 and the AC contactor 3, and the step-up connection connecting the transformer 2 and the AC contactor 3 The wire harness 17, and the step-down connection wire harness 16 and the boost connection wire harness 17 are distinguished by wire harnesses of different colors. Specifically, the live wire in the step-down connection wire harness 16 adopts a gray wire harness, and the live wire in the boost connection wire harness 17 adopts a red wire harness. But it is not limited to these two colors, and the wi...
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