Electric blanket and low-voltage constant-temperature control device thereof
A constant temperature control, low pressure technology, applied in the direction of using electric means for temperature control, sleeping blankets, travel blankets, etc., can solve the problems of low safety, poor temperature constancy, and high cost, and achieve the effect of solving poor temperature constancy
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Embodiment 1
[0044] figure 2 The example circuit structure of the low-voltage constant temperature control device provided by the first embodiment of the present invention is shown. For the convenience of description, only the parts related to the first embodiment of the present invention are shown, and the details are as follows:
[0045] As an embodiment of the present invention, the high-voltage rectification and filtering unit 101 includes a rectification bridge BD1 and an electrolytic capacitor C1, the input end of the rectification bridge BD1 is the input end of the high-voltage rectification and filtering unit 101, and the positive voltage output end of the rectification bridge BD1 is a high-voltage rectification and filtering unit The output terminal of 101, the negative voltage output terminal of the rectifier bridge BD1 is connected to the first power supply ground, the positive pole of the electrolytic capacitor C1 is connected to the output terminal of the rectifier bridge BD1,...
Embodiment 2
[0072] image 3 The example circuit structure of the low-voltage constant temperature control device provided by the second embodiment of the present invention is shown. For the convenience of description, only the parts related to the second embodiment of the present invention are shown, and the details are as follows:
[0073] As an embodiment of the present invention, the high-voltage rectification and filtering unit 101 includes a rectification bridge BD11 and an electrolytic capacitor C11, the input end of the rectification bridge BD11 is the input end of the high-voltage rectification and filtering unit 101, and the positive voltage output end of the rectification bridge BD11 is a high-voltage rectification and filtering unit The output terminal of 101, the negative voltage output terminal of the rectifier bridge BD11 is connected to the first power supply ground, the positive pole of the electrolytic capacitor C11 is connected to the output terminal of the rectifier brid...
Embodiment 3
[0100] Figure 4 The example circuit structure of the low-voltage constant temperature control device provided by the third embodiment of the present invention is shown. For the convenience of description, only the parts related to the third embodiment of the present invention are shown, and the details are as follows:
[0101] As an embodiment of the present invention, the high-voltage rectification and filtering unit 101 includes a rectification bridge BD21 and an electrolytic capacitor C21, the input end of the rectification bridge BD21 is the input end of the high-voltage rectification and filtering unit 101, and the positive voltage output end of the rectification bridge BD21 is a high-voltage rectification and filtering unit The output terminal of 101 and the negative voltage output terminal of the rectifier bridge BD21 are the first power supply ground, the positive pole of the electrolytic capacitor C21 is connected to the output terminal of the rectifier bridge BD21, a...
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Abstract
Description
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Application Information
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