Power failure start circuit with function of address recognition
A start-up circuit and address recognition technology, applied in electrical components, electronic switches, pulse technology, etc., can solve the problems of low reliability and applicability, and achieve the effect of improving reliability and applicability
Active Publication Date: 2017-01-04
ANHUI DONGFENG MACHINERY & ELECTRONICS TECHNCO
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[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0024] A power-off startup circuit with address recognition, see Figure 1-4 , including a first module, a second module, a third module, and a fourth module; wherein, the first module, the second module, and the third module are respectively connected to the fourth module;
[0025] see figure 1 , the first module includes resistors R3 and R7 respectively connected to the POWER power supply, resistor R3 is connected in series with diode D2 and resistor R4, and res...
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The invention discloses a power failure start circuit with a function of address recognition, and the start circuit comprises a first module, a second module and a third module, wherein the first, second and third modules are connected to a fourth module. The first module comprises resistors R3 and R7 connected with a power supply POWER. The resistor R3 is in series connection with a diode D2 and a resistor R4, and the resistor R4 is connected to the fourth module through a line START2. The second module comprises resistors R1 and R5 connected with the power supply POWER. The resistor R1 is in series connection with a diode D1 and a resistor R2, and the resistor R2 is connected to the fourth module through a line START1. The third module comprises resistors R9, R11 and R13 connected with the power supply POWER. The resistor R9 is in series connection with a diode D9 and a resistor R10, and the resistor R10 is connected to the fourth module through a line START3. The fourth module comprises a diode D, a diode D6, a diode D7 and a resistor R12, wherein the diodes D5, D6 and D7 are respectively connected with the lines START1, START2 and START3, and the resistor R12 is connected with the power supply POWER. The circuit provided by the invention achieves the output of three start signals, can maintain the output for a certain period, achieves the start of different circuits of the same circuit board, and has certain adaptability and practicality.
Description
technical field [0001] The invention belongs to the field of electronic circuit design and relates to a power-off starting circuit with address identification. Background technique [0002] The existing power-off starting circuit mostly uses a decoding chip to complete the address recognition function, but the decoding circuit needs a voltage stabilizing circuit, its reliability and applicability are not high, and it cannot meet the actual needs. Contents of the invention [0003] The purpose of the present invention is to provide a power-off starting circuit with address identification, and its purpose is to explore the realization of a two-address line power-off starting circuit through simple discrete components. Compared with the traditional power-off starting circuit, the address line can Realize three-way start-up circuit switching. [0004] The purpose of the present invention can be achieved through the following technical solutions: [0005] A power-off startup ...
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IPC IPC(8): H03K17/296H03K17/687
CPCH03K17/296H03K17/687
Inventor 张利朱远海赵洪军丁伯圣彭雪芹赵婉刘宇环李勇范行会李虹言方张根
Owner ANHUI DONGFENG MACHINERY & ELECTRONICS TECHNCO