Negative oxygen ion sand-gravel picture and manufacturing method
A technology of negative oxygen ions and production methods, applied in electrotherapy, phototherapy, radiation therapy, etc., to improve air quality, improve physical health, and promote metabolism
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[0022] Concrete implementation example of the present invention:
[0023] Such as figure 1 As shown, the back side of the substrate 1 is provided with a heating wire placement groove 2 and a groove cover. One end of the heating wire 3 is connected to a power control switch 4, and the power control switch 4 is installed on one end of the substrate 1, and the heating wire 3 is also provided with a temperature control switch 5, which is used to control the on-off of the heating wire 3 current according to the temperature. .
[0024] This implementation example is a method for making a tourmaline sandstone painting that can release negative oxygen ions, including the following steps:
[0025] Step 1. Substrate production: select high-temperature-resistant materials to make the substrate, with a temperature resistance of at least 60°C, and set up a heating wire placement slot on the back of the substrate, arrange heating devices, and connect relevant circuit components such as te...
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