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A backup power method

A technology of power supply and resistance, applied in the electronic field, to achieve the effect of strong anti-overvoltage ability, wide adaptability, and not easy to damage

Active Publication Date: 2019-03-15
CHONGQING NINGLAI SCI & TRADE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The third difficulty is that when there is mains power, it is a system for the load, and when there is no mains power, it is powered by the battery system. The conversion between the two is automatic switching, so how to realize the scientific conversion

Method used

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Examples

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Embodiment Construction

[0060] figure 1 figure 2 A fabrication example of an alternate power supply method is presented.

[0061] 1. Selection of components: The lightning arrester should have a breakdown voltage within 100 volts.

[0062] The current-limiting diode is either two diodes connected in series; or a light-emitting diode.

[0063] The DC triode, charge regulator triode, voltage regulator, locking triode, and amplifier adopt high reverse voltage NPN triode.

[0064] The constant current tube is a PNP transistor.

[0065] 2. Welding: specific circuit or according to figure 1 Solder as shown or press figure 2 Welded as shown.

[0066] A current limiting diode is a photo of an electronic circuit in which two diodes are connected in series figure 1 Schematic for soldering.

[0067] A current limiting diode is a light emitting diode in an electronic circuit such as figure 2 connection shown.

[0068] Three, power inspection and debugging.

[0069] 1. Check the constant current sourc...

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Abstract

The invention discloses a standby precision power supply scheme, which belongs to the field of electronic technologies. The standby precision power supply scheme utilizes characteristics of a triode such as conduction, cut-off and high reverse voltage functions to form various logic combinations, is composed of a rectifying unit, a lightning arrester, a constant-current source, a storage battery, a DC unit, a locking unit, an automatic adjusting and voltage-stabilizing unit, and an isolation unit. The output of the rectifying unit is connected with several paths, the first path connects the lightning arrester to a ground wire, the second path is connected with the constant-current source, the third path is connected with the locking unit, and the fourth is connected with the automatic adjusting and voltage-stabilizing unit. The output of the constant-current source is connected with the input of a fixed-current source, the output of the fixed-current source is connected with the storage battery and the DC unit, and the output of the DC unit and the output of the automatic adjusting and voltage-stabilizing unit are connected with the isolation unit. The automatic adjusting and voltage-stabilizing unit can automatically adjust the output voltage, thereby ensuring the reliability of voltage stabilization. According to the standby precision power supply scheme, the service life of the storage battery is guaranteed maximally, the scientific floating charge is realized, and the contradiction between charge and discharge when matching the storage battery is eliminated, thus the power supply has wide and special application.

Description

technical field [0001] The invention belongs to the field of electronic technology. Background technique [0002] The voltage regulator is an important part of electronic products, and its excellent performance is directly related to the overall performance, so there are many excellent voltage regulator integrated circuits, such as 78 series, 79 series and so on. Although the above-mentioned integrated series have many advantages, they still cannot meet the ever-changing needs. [0003] For example, the company has applied for several products related to security equipment. The products of these devices have very high requirements on the power supply, which is far higher than that of ordinary household appliances, and the traditional design scheme is not competent. The reasons are as follows: [0004] One is that the power supply is often an electrical appliance, the key part that is most likely to fail, and it is the same for ordinary household appliances. This is espec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M3/156H02J7/34
CPCH02J7/34H02M3/156
Inventor 宁永健
Owner CHONGQING NINGLAI SCI & TRADE
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