Double-control switch based on single-live-wire switch
A technology of single live wire switch and double control switch, which is applied in the program control and electrical program control of the sequence/logic controller, can solve the problem that the single live wire switch cannot get power, reduce the cost of transformation, promote the application and The effect of promotion
Active Publication Date: 2016-12-21
南京云家物联网研究院有限公司
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Problems solved by technology
[0003] The traditional double control switch is connected in series in the circuit. If the single live wire switch is used for direct transformation, when the relays of the two switches are all disconnected, the single live wire switch will not get power.
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Embodiment 1
[0017] This embodiment provides a dual control switch based on a single live wire switch, the structure is as follows figure 1 As shown, the present invention provides a dual control switch based on a single live wire switch. The dual control switch includes two sets of two-way single live wire switches, and the two-way single live wire switch includes a power-taking circuit, an energy storage device, a relay and a wireless control circuit; The power circuit is used to take power from the grid after the switch works normally, store it in the energy storage device, and supply power to the wireless control circuit; the power taking circuit includes an open state power taking circuit and an off state power taking circuit; The circuit, whose input end is electrically connected to the output end of the relay, uses the working current of the load to obtain electric energy; the off-state power-taking circuit, whose input end is electrically connected to the load, and the output end is...
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The invention discloses a double-control switch based on a single-live-wire switch. The double-control switch comprises two two-path single-live-wire switches, and each two-path single-live-wire switch comprises a power drawing circuit, an energy storage device, a relay and a wireless control circuit; the power drawing circuits are used for, when the switches work normally, drawing power from a power grid, storing the power in the energy storage devices and supplying power to the wireless control circuits; the power drawing circuits comprise open-state state power drawing circuits and closed-state power drawing circuits; and the wireless control circuits are electrically connected with the energy storage devices and the relays, receive externally sent control instruction signals for wireless opening / closing of loads, and output instruction signals corresponding to opening / closing of the relays. According to the invention, the problem of incapability of drawing power in the process of reconstructing a conventional double-control switch by use of a single-live-wire switch is avoided.
Description
technical field [0001] The invention belongs to the field of a wireless intelligent single live wire switch, and relates to a technology for transforming a traditional double control switch by using a single live wire switch, in particular to a double control switch based on a single live wire switch. Background technique [0002] With the popularity of smart homes, we have encountered many scenarios where specific devices are modified. For example, the traditional dual-control switch is transformed with a smart switch. The working principle of the traditional double-control switch is to use two single-pole double-throw switches in series to achieve the effect that both switches can control the on-off of electrical appliances. Moreover, there is no neutral wire in the cassette of the double control switch, so on the premise of avoiding rewiring, only a single live wire switch can be used for transformation. The present invention proposes a technical solution for this situa...
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IPC IPC(8): G05B19/04
CPCG05B19/04
Inventor 张伟钟任朱俊岗朱峰朱俊岭余建美
Owner 南京云家物联网研究院有限公司