Electronic equipment double control module in smart home
A technology of electronic equipment and smart home, applied in the direction of electrical program control, comprehensive factory control, comprehensive factory control, etc., to achieve the effect of small circuit size, easy installation, and hardware reduction
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no. 1 example
[0029] refer to figure 2 Shown is the circuit schematic diagram of the preferred first embodiment of the electronic device dual control module of the smart home. The embodiment is typically used in lighting control. The example application of the embodiment is only for the convenience of the following description, but the actual application is not This should be limited, for example, it can also be applied to household appliances such as TVs and air conditioners. This embodiment includes the following circuit units: a power supply circuit unit 1 , an electronic switch drive circuit 2 , a single-chip microcomputer control unit 3 , a dual-control circuit unit 4 and a communication circuit unit 5 .
[0030] The power supply output of the power supply circuit unit 1 is connected to the VCC end of the electronic switch drive circuit 2, the single-chip microcomputer control unit 3, the dual control circuit unit 4 and the communication circuit unit 5, and the power supply circuit un...
no. 2 example
[0043] refer to image 3 As shown, this second implementation is substantially the same as the first embodiment. The difference is that the electronic switches of the dual control circuit unit 4 use solid state relays SSR1 and SSR2 to replace the electromagnetic relays K1 and K2 in the first embodiment. Other parts and implementation principles of this embodiment are the same as those of the first embodiment, and will not be repeated here.
no. 3 example
[0045] refer to Figure 4a with Figure 4b As shown, this third implementation is substantially the same as the first two embodiments. The difference is that the single-chip microcomputer control unit 3 uses the SST89V54 single-chip microcomputer chip to replace the STC12C4052AD single-chip microcomputer chip, the power supply circuit unit 1 uses a 7805 power supply chip to replace it, and the electronic switch in the dual control circuit unit 4 uses an independent Electronic switching circuits composed of semiconductor devices. For details of the electronic switch circuit, please refer to Figure 4b As shown, the electronic switch circuit is composed of optocouplers, triodes, bridge rectifier units, bidirectional trigger thyristors and other components. The specific implementation circuit of the electronic switch circuit can also be in other existing ways, and will not be described in detail here.
[0046] see again Figure 5 to Figure 7 As shown, they are respectively th...
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