High-reliability power supply circuit suitable for embedded field

A power supply circuit and reliability technology, which is applied in the direction of circuit devices, electrical components, emergency power supply arrangements, etc., can solve problems such as unfavorable use in embedded fields, power outages, and single power supply voltage, so as to improve reliability, improve reliability, Avoid the effect of power outage

Inactive Publication Date: 2015-04-01
成都嵌智捷科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to these characteristics of the embedded system, the power supply used in the embedded system can provide a more stable power supply voltage, but today's power supply voltage is too single, prone to power outages, which is not conducive to the use in the embedded field

Method used

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  • High-reliability power supply circuit suitable for embedded field

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Embodiment 1

[0014] Such as figure 1 As shown, the present invention includes a transformer T, a bridge rectifier diode D, a relay J, a diode D1, and a single-pole double-throw switch S. One side of the transformer T is connected to the AC power supply Ui, and the other side is connected to the ports a1 and the bridge rectifier diode D. between the ports a3; the port a1 of the bridge rectifier diode D is also connected to the positive pole of the diode D1, and the negative pole of the diode D1 is also connected to the relay J, and the other end of the relay J is grounded, wherein the port a4 of the bridge rectifier diode D is grounded. A plurality of diodes are connected in series between the port a2 of the bridge rectifier diode D and the ground terminal, and a plurality of capacitors are connected in series between the port a2 of the bridge rectifier diode D and the ground terminal. Both ends are connected in parallel with a circuit composed of multiple capacitors connected in series; th...

Embodiment 2

[0017] This embodiment is preferably as follows on the basis of Embodiment 1: two equal-sized diodes D2 and D3 are connected in series between port a2 of the bridge rectifier diode D and the ground terminal, and the anode of the diode D2 is grounded. In the case of using a minimum of components, the voltage signal is processed to make it a stable square wave signal.

[0018] Two capacitors C1 and C2 of equal size are connected in series between the port a2 of the bridge rectifier diode D and the ground terminal, and the capacitor C2 is grounded.

[0019] The model of the relay J is SSPDT.

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PUM

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Abstract

The invention discloses a high-reliability power supply circuit suitable for the embedded field. The high-reliability power supply circuit applicable to the embedded field comprises a transformer T, a bridge rectifier diode D, a relay J, a diode D1 and a single-pole double-throw switch S, wherein one side of the transformer T is connected with an alternating-current power supply Ui, and the other side of the transformer T is connected between a port a1 and a port a3 of the bridge rectifier diode D; the port a1 of the bridge rectifier diode D is also connected with an anode of the diode D1, a cathode of the diode D1 is also connected with one end of the relay J, the other end of the relay J is grounded, a port a4 of the bridge rectifier diode D is grounded, and a plurality of diodes are sequentially and serially connected between a port a2 and a grounding end of the bridge rectifier diode D. Through the principle, power can be supplied to electric equipment through various methods, the situation of power outage is avoided, the time delay of a power supply is realized, the power supply circuit is very suitable for use in the embedded field and the power supply reliability is improved.

Description

technical field [0001] The invention relates to the field of power supply, in particular to a highly reliable power supply circuit suitable for use in the embedded field. Background technique [0002] Embedded system (ES) is an updated product that combines advanced technologies such as computer technology, communication technology, semiconductor technology, microelectronics technology, voice and image data transmission technology, and even sensors with specific application objects. Therefore, it is often a knowledge-intensive system that is technology-intensive, investment-intensive, highly decentralized, and constantly innovative. Embedded system is user-oriented, product-oriented, and application-oriented, and it must be combined with specific applications to have vitality and advantages. Therefore, the embedded system is closely integrated with the application, and it has strong specificity, so it must be reasonably cut and utilized in combination with the actual system...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J9/06
Inventor 杨勇
Owner 成都嵌智捷科技有限公司
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