CN211606183U - Dual-power supply redundancy hot backup circuit and power supply for mutual backup - Google Patents
Dual-power supply redundancy hot backup circuit and power supply for mutual backup Download PDFInfo
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- CN211606183U CN211606183U CN202020295765.3U CN202020295765U CN211606183U CN 211606183 U CN211606183 U CN 211606183U CN 202020295765 U CN202020295765 U CN 202020295765U CN 211606183 U CN211606183 U CN 211606183U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The utility model relates to a each other is redundant hot backup circuit of dual power supply and power of backup. The circuit comprises a direct current input interface A1, a direct current input interface A2, an isolation power supply module N1, an isolation power supply module N2, an ideal diode controller U1, an ideal diode controller U2, a MOS tube Q1, a MOS tube Q2, a resistor R1, a resistor R2 and a direct current output interface B. The two paths of power supply circuits in the redundant power supply of the utility model work simultaneously, and any one path of fault can not affect the other path of fault and is completely independent; any power supply circuit can meet the power supply requirement, and the power supply safety is guaranteed; the ideal diode controller has the characteristics of high integration level, complete protection functions and high reliability.
Description
Technical Field
The utility model relates to a power field, more specifically say, relate to a redundant hot backup circuit of dual power supply and power that each other is backup.
Background
For some high-reliability electric equipment, dual power supplies are generally adopted for supplying power, a redundant backup circuit needs to be designed, a part of the high-reliability electric equipment adopts a redundant cold backup circuit, when a main circuit fails, the main circuit is switched to the backup circuit, and the problem of output power failure during switching exists. And a part of the redundant hot backup circuits are provided with the current sharing control circuit, so that the problem of output power failure can be solved, but the current sharing control circuit needs to be added to realize parallel current sharing, the circuit is complex, and the reliability is low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in that, to the above-mentioned defect of prior art, a redundant hot backup circuit of dual power supply and power that each other is backup are provided.
The utility model provides a technical scheme that its technical problem adopted is: the dual-power supply redundant hot backup circuit for mutual backup is constructed and comprises a direct current input interface A1, a direct current input interface A2, an isolation power module N1, an isolation power module N2, an ideal diode controller U1, an ideal diode controller U2, a MOS tube Q1, a MOS tube Q2, a resistor R1, a resistor R2 and a direct current output interface B;
a positive electrode output end V1+ of the direct current input interface A1 is connected with a positive electrode input end VIN1+ of the isolation power supply module N1, and a negative electrode output end V1-of the direct current input interface A1 is connected with a negative electrode input end VIN 1-of the isolation power supply module N1; the positive output end VOUT1+ of the isolation power supply module N1 is respectively connected with the ideal diode controller U1
The diode isolation power supply comprises a pin, an IN pin and a SOURCR pin, wherein a positive output end VOUT1+ of the isolation power supply module N1 is connected with a source electrode of the MOS transistor Q1, a grid electrode of the MOS transistor Q1 is connected with a GATE pin of the ideal diode controller U1, and a drain electrode of the MOS transistor Q1 is respectively connected with an OUT pin of the ideal diode controller U1 and a positive input end VOUT + of the direct current output interface B; the negative output end VOUT 1-of the isolation power supply module N1 is connected with the negative input end VOUT-of the direct current output interface B, and the VSS pin of the ideal diode controller U1 is connected with the negative input end VOUT-of the direct current output interface B through the resistor R1;
the positive electrode output end V2+ of the direct current input interface A2 is connected with the positive electrode input end VIN2+ of the isolation power supply module N2, and the negative electrode of the direct current input interface A2A pole output end V2-is connected with a negative pole input end VIN 2-of the isolation power supply module N2; the positive output end VOUT2+ of the isolation power supply module N2 is respectively connected with the ideal diode controller U2
The diode isolation power supply comprises a pin, an IN pin and a SOURCR pin, wherein a positive output end VOUT2+ of the isolation power supply module N2 is connected with a source electrode of the MOS transistor Q2, a grid electrode of the MOS transistor Q2 is connected with a GATE pin of the ideal diode controller U2, and a drain electrode of the MOS transistor Q2 is respectively connected with an OUT pin of the ideal diode controller U2 and a positive input end VOUT + of the direct current output interface B; the negative output end VOUT 2-of the isolation power supply module N2 is connected with the negative input end VOUT-of the direct current output interface B, and the VSS pin of the ideal diode controller U2 is connected with the negative input end VOUT-of the direct current output interface B through the resistor R2.
Further, each other is in the redundant hot backup circuit of dual power supply for backup, MOS pipe Q1 is N type MOS pipe, MOS pipe Q2 is N type MOS pipe.
Further, each other be redundant hot backup circuit of dual power supply of backup in, ideal diode controller U1's model is LTC4359, ideal diode controller U2's model is LTC 4359.
Additionally, the utility model provides a power, include as above-mentioned each other redundant hot backup circuit of dual power supply of backup.
Implement the utility model discloses a each other is redundant hot backup circuit of dual power supply and power of backup, has following beneficial effect: the two paths of power supply circuits in the redundant power supply of the utility model work simultaneously, and any one path of fault can not affect the other path of fault and is completely independent; any power supply circuit can meet the power supply requirement, and the power supply safety is guaranteed; the ideal diode controller has the characteristics of high integration level, complete protection functions and high reliability.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a circuit diagram of the dual power supply redundant hot backup circuit of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Examples
Referring to fig. 1, the dual power supply redundant hot backup circuit for mutual backup in this embodiment includes a dc input interface a1, a dc input interface a2, an isolation power module N1, an isolation power module N2, an ideal diode controller U1, an ideal diode controller U2, a MOS transistor Q1, a MOS transistor Q2, a resistor R1, a resistor R2, and a dc output interface B.
The positive pole output end V1+ of the direct current input interface A1 is connected with the positive pole input end VIN1+ of the isolation power supply module N1, and the negative pole output end V1-of the direct current input interface A1 is connected with the negative pole input end VIN 1-of the isolation power supply module N1; the positive output terminals VOUT1+ of the isolation power supply module N1 are respectively connected with the ideal diode controller U1
The power supply comprises a pin, an IN pin and a SOURCR pin, wherein a positive output end VOUT1+ of an isolation power supply module N1 is connected with a source electrode of a MOS tube Q1, a grid electrode of the MOS tube Q1 is connected with a GATE pin of an ideal diode controller U1, and a drain electrode of the MOS tube Q1 is respectively connected with an OUT pin of the ideal diode controller U1 and a positive input end VOUT + of a direct current output interface B; the negative output terminal VOUT 1-of the isolation power supply module N1 is connected with the negative input terminal VOUT-of the DC output interface B, and the VSS pin of the ideal diode controller U1 is connected with the negative input terminal VOUT-of the DC output interface B through a resistor R1.
The positive pole output end V2+ of the direct current input interface A2 is connected with the positive pole input end VIN2+ of the isolation power supply module N2, and the negative pole output end V2-of the direct current input interface A2 is connected with the negative pole input end VIN 2-of the isolation power supply module N2; the positive output terminals VOUT2+ of the isolation power supply module N2 are respectively connected with the ideal diode controller U2
The power supply comprises a pin, an IN pin and a SOURCR pin, wherein a positive output end VOUT2+ of an isolation power supply module N2 is connected with a source electrode of a MOS tube Q2, a grid electrode of the MOS tube Q2 is connected with a GATE pin of an ideal diode controller U2, and a drain electrode of the MOS tube Q2 is respectively connected with an OUT pin of the ideal diode controller U2 and a positive input end VOUT + of a direct current output interface B; the negative output terminal VOUT 2-of the isolation power supply module N2 is connected with the negative input terminal VOUT-of the DC output interface B, and the VSS pin of the ideal diode controller U2 is connected with the negative input terminal VOUT-of the DC output interface B through a resistor R2.
Alternatively, in the dual-power-supply redundant hot standby circuit of the present embodiment, the MOS transistor Q1 is an N-type MOS transistor, and the MOS transistor Q2 is an N-type MOS transistor.
Alternatively, in the dual-power-supply redundant hot backup circuit with mutual backup of the present embodiment, the model of the ideal diode controller U1 is LTC4359, the model of the ideal diode controller U2 is LTC4359, and the structure and the operation principle of the LTC4359 chip refer to the prior art.
The working principle of the dual-power supply redundant hot backup circuit for mutual backup in the embodiment is as follows:
one path of direct current power supply is input to an isolation power supply module N1 through a direct current input interface A1, then input direct current voltage is isolated, converted and output to an ideal diode controller U1 through an isolation power supply module N1, and finally the ideal diode controller U1 controls an N-type MOS transistor Q1 to be conducted and output to a direct current output interface B to supply power to the subsequent equipment. The other path of direct current power supply is input into an isolation power supply module N2 through a direct current input interface A2, then input direct current voltage is isolated, converted and output to an ideal diode controller U2 through an isolation power supply module N2, and finally the ideal diode controller U2 controls an N-type MOS tube Q2 to be conducted and output in parallel to a direct current output interface B to supply power to the subsequent equipment.
The two direct current power supplies are respectively isolated and converted, and then are connected in parallel and output independently through the ideal diode control circuit, so that the input and output are isolated, and the two direct current power supplies are independent and do not influence each other.
Two paths of power supply circuits in the redundant power supply of the embodiment work simultaneously, and any one path of fault cannot influence the other path of fault and is completely independent; any power supply circuit can meet the power supply requirement, and the power supply safety is guaranteed; the ideal diode controller has the characteristics of high integration level, complete protection functions and high reliability.
Examples
The power supply of the present embodiment includes the dual power supply redundant hot backup circuit as described in the above embodiments.
Two paths of power supply circuits in the redundant power supply of the embodiment work simultaneously, and any one path of fault cannot influence the other path of fault and is completely independent; any power supply circuit can meet the power supply requirement, and the power supply safety is guaranteed; the ideal diode controller has the characteristics of high integration level, complete protection functions and high reliability.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and implement the present invention accordingly, which can not limit the protection scope of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention shall fall within the scope of the claims of the present invention.
Claims (4)
1. A mutual backup dual-power supply redundant hot backup circuit is characterized by comprising a direct current input interface A1, a direct current input interface A2, an isolation power supply module N1, an isolation power supply module N2, an ideal diode controller U1, an ideal diode controller U2, an MOS transistor Q1, an MOS transistor Q2, a resistor R1, a resistor R2 and a direct current output interface B;
a positive electrode output end V1+ of the direct current input interface A1 is connected with a positive electrode input end VIN1+ of the isolation power supply module N1, and a negative electrode output end V1-of the direct current input interface A1 is connected with a negative electrode input end VIN 1-of the isolation power supply module N1; the positive output end VOUT1+ of the isolation power supply module N1 is respectively connected with the ideal diode controller U1
A pin,An IN pin and a SOURCR pin, wherein a positive output end VOUT1+ of the isolation power supply module N1 is connected with a source electrode of the MOS tube Q1, a grid electrode of the MOS tube Q1 is connected with a GATE pin of the ideal diode controller U1, and a drain electrode of the MOS tube Q1 is respectively connected with an OUT pin of the ideal diode controller U1 and a positive input end VOUT + of the direct current output interface B; the negative output end VOUT 1-of the isolation power supply module N1 is connected with the negative input end VOUT-of the direct current output interface B, and the VSS pin of the ideal diode controller U1 is connected with the negative input end VOUT-of the direct current output interface B through the resistor R1;
a positive electrode output end V2+ of the direct current input interface A2 is connected with a positive electrode input end VIN2+ of the isolation power supply module N2, and a negative electrode output end V2-of the direct current input interface A2 is connected with a negative electrode input end VIN 2-of the isolation power supply module N2; the positive output end VOUT2+ of the isolation power supply module N2 is respectively connected with the ideal diode controller U2
The diode isolation power supply comprises a pin, an IN pin and a SOURCR pin, wherein a positive output end VOUT2+ of the isolation power supply module N2 is connected with a source electrode of the MOS transistor Q2, a grid electrode of the MOS transistor Q2 is connected with a GATE pin of the ideal diode controller U2, and a drain electrode of the MOS transistor Q2 is respectively connected with an OUT pin of the ideal diode controller U2 and a positive input end VOUT + of the direct current output interface B; the negative output end VOUT 2-of the isolation power supply module N2 is connected with the negative input end VOUT-of the direct current output interface B, and the VSS pin of the ideal diode controller U2 is connected with the negative input end VOUT-of the direct current output interface B through the resistor R2.
2. The dual power supply redundancy hot backup circuit for mutual backup of claim 1, wherein the MOS transistor Q1 is an N-type MOS transistor, and the MOS transistor Q2 is an N-type MOS transistor.
3. The dual power supply redundant hot standby circuit for mutual backup as claimed in claim 1, wherein said ideal diode controller U1 is model LTC4359, and said ideal diode controller U2 is model LTC 4359.
4. A power supply comprising the dual power supply redundant hot standby circuit as claimed in any one of claims 1 to 3, which are backup to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020295765.3U CN211606183U (en) | 2020-03-11 | 2020-03-11 | Dual-power supply redundancy hot backup circuit and power supply for mutual backup |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020295765.3U CN211606183U (en) | 2020-03-11 | 2020-03-11 | Dual-power supply redundancy hot backup circuit and power supply for mutual backup |
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| CN211606183U true CN211606183U (en) | 2020-09-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112737333A (en) * | 2020-12-28 | 2021-04-30 | 航天东方红卫星有限公司 | Secondary power supply with high conversion efficiency for satellite |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112737333A (en) * | 2020-12-28 | 2021-04-30 | 航天东方红卫星有限公司 | Secondary power supply with high conversion efficiency for satellite |
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