CN106329912A - Auxiliary power supply circuit - Google Patents
Auxiliary power supply circuit Download PDFInfo
- Publication number
- CN106329912A CN106329912A CN201610896789.2A CN201610896789A CN106329912A CN 106329912 A CN106329912 A CN 106329912A CN 201610896789 A CN201610896789 A CN 201610896789A CN 106329912 A CN106329912 A CN 106329912A
- Authority
- CN
- China
- Prior art keywords
- module
- voltage
- input
- switching power
- outfan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 24
- 238000002955 isolation Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 abstract description 10
- 230000006641 stabilisation Effects 0.000 abstract 6
- 238000011105 stabilization Methods 0.000 abstract 6
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The invention relates to the testing field of a power supply, particularly to an auxiliary power supply circuit, comprising a switching power chip, a DC (direct current)-DC module, a first voltage stabilization module, a second voltage stabilization module, a positive and negative voltage conversion module and an isolated voltage stabilization module, wherein the input end of the first voltage stabilization module is connected with a 48V input power supply and the output end is connected with the switching power chip; the output end of the switching power chip is connected with the control end of the DC (direct current)-DC module; the input end of the DC (direct current)-DC module is connected with the 48V input power supply and the other end thereof is a DC output end; the DC output end is connected with the feedback end of the switching power chip by the isolated voltage stabilization module; the DC output end is further connected with the input end of the positive and negative voltage conversion module and the input end of the second voltage stabilization module respectively; in combination with the switching power chip, input 48V is output by respectively converting into 5V, 3,3V and 5V through the DC-DC module.
Description
Technical field
The present invention relates to power supply test field, particularly a kind of auxiliary power circuit.
Background technology
Generally, when carrying out the test relevant to DC source, engineer must collect and configure multiple stage instrument, could be complete
Become direct current supply and measuring task.When performing these complex tasks, multiple stage test instrunment may be received simultaneously, thus increase
The risk made mistakes；To this end, engineer may select the automatic test complicated more than manual test, although but automatic test task
Manual errors can be reduced, but write, with debugging routine, the research and development engineer worked overloadingly is further increased work
Amount.And the appearance of DC source analyser avoids the debugging carrying out complexity before engineer uses multiple devices and test.Electricity
Source analyser enters the electric current of DUT by its built-in electric current kinetic measurement ability measurable flow, without such as current probe
Sensor this kind of with diverter；DC source analyser is without developing control and process of measurement, and all functions and measurement are the most integrated
In same equipment, without PC, driver and software, be equivalent to relevant workload be set decrease more than 90%；
User uses direct current supply that independent test equipment then just can complete with 2 day time and measures test assignment, uses unidirectional current
Source analyser just can be able to complete in 5 minutes.And usual, DC source analyser is integrated with circuit tester module, oscillograph mould
Block, random waveform generation module, data recordin module and multiple DC power supplier, wherein, multiple have different output work
One of the DC power supplier of rate most crucial device being undoubtedly power analysis instrument, the auxiliary power circuit of DC power supplier is born
Blame the running voltage different to each functional module offer of DC power supplier, so, the stability of this auxiliary power circuit
Just the functional realiey of each power module is extremely important.
Summary of the invention
Needed for the goal of the invention of the present invention is for each functional module of each power module in DC source analyser
Running voltage is different, it is provided that a kind of working stability, it is adaptable to the auxiliary power circuit of particular power module in power analysis instrument.
To achieve these goals, the technical solution used in the present invention is:
A kind of auxiliary power circuit, including switching power source chip, DC-DC module, the first Voltage stabilizing module, the second Voltage stabilizing module, just
Negative voltage transition module and isolation Voltage stabilizing module；
The input of described first Voltage stabilizing module is connected with 48V input power, and outfan is connected with switching power source chip；Described open
The outfan closing power supply chip is connected with the control end of described DC-DC module；The input of described DC-DC module inputs with 48V
Power supply connects, and the other end is DC outfan, and described DC outfan is by the feedback end of isolation Voltage stabilizing module with switching power source chip
Connect；Described DC outfan connects with the input of described generating positive and negative voltage modular converter and the input of the second Voltage stabilizing module the most respectively
Connect；
Described first Voltage stabilizing module for being converted to 12V voltage and powering for described switching power source chip by 48V input voltage；
Described switching power source chip output pwm pulse controls described DC-DC module and carries out voltage conversion；
48V input voltage is converted to 5V voltage from described DC under the control of described switching power source chip by described DC-DC module
Outfan exports；
Described second Voltage stabilizing module for being converted to 3.3V output by the 5V voltage that described DC outfan exports；
Described generating positive and negative voltage modular converter is converted to-5V output for the 5V voltage of the most described DC outfan output.
Described DC output port the most directly publishes books 5V voltage to the corresponding function module.
Preferably, described switching power source chip is chip UC3845.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
Combine switching power source chip by DC-DC module and input 48V voltage is respectively converted into 5V, 3.3V and-5V output, from
And it is the running voltage that respective demand is provided that in power analysis instrument, each functional module of power module is stable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, not
For limiting the present invention.
Embodiment 1: as it is shown in figure 1, a kind of auxiliary power circuit, including switching power source chip 3, DC-DC module 1, first
Voltage stabilizing module the 2, second Voltage stabilizing module 6, generating positive and negative voltage modular converter 5 and isolation Voltage stabilizing module 4；
The input of described first Voltage stabilizing module 2 is connected with 48V input power, and outfan is connected with switching power source chip 3；Described
The outfan of switching power source chip 3 is connected with the control end of described DC-DC module 1；The input of described DC-DC module 1 and 48V
Input power connects, and the other end is DC outfan, and described DC outfan is by isolation Voltage stabilizing module 4 and switching power source chip 3
Feedback end connects；Described DC outfan the most respectively with the input of described generating positive and negative voltage modular converter 5 and the second Voltage stabilizing module 6
Input connects；
Described first Voltage stabilizing module 2 for being converted to 12V voltage and powering for described switching power source chip 3 by 48V input voltage；
Described switching power source chip 3 exports the described DC-DC module 1 of pwm pulse control and carries out voltage conversion；
48V input voltage is converted to 5V voltage from described under the control of described switching power source chip 3 by described DC-DC module 1
DC outfan exports；
Described second Voltage stabilizing module 6 for being converted to 3.3V output by the 5V voltage that described DC outfan exports；
Described generating positive and negative voltage modular converter 5 is converted to-5V output for the 5V voltage of the most described DC outfan output.
Described DC output port the most directly publishes books 5V voltage to the corresponding function module.
Preferably, described switching power source chip 3 is chip UC3845.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (2)
1. an auxiliary power circuit, it is characterised in that include switching power source chip, DC-DC module, the first Voltage stabilizing module,
Two Voltage stabilizing modules, generating positive and negative voltage modular converter and isolation Voltage stabilizing module；
The input of described first Voltage stabilizing module is connected with 48V input power, and outfan is connected with switching power source chip；Described open
The outfan closing power supply chip is connected with the control end of described DC-DC module；The input of described DC-DC module inputs with 48V
Power supply connects, and the other end is DC outfan, and described DC outfan is by the feedback end of isolation Voltage stabilizing module with switching power source chip
Connect；Described DC outfan connects with the input of described generating positive and negative voltage modular converter and the input of the second Voltage stabilizing module the most respectively
Connect；
Described first Voltage stabilizing module for being converted to 12V voltage and powering for described switching power source chip by 48V input voltage；
Described switching power source chip output pwm pulse controls described DC-DC module and carries out voltage conversion；
48V input voltage is converted to 5V voltage from described DC under the control of described switching power source chip by described DC-DC module
Outfan exports；
Described second Voltage stabilizing module for being converted to 3.3V output by the 5V voltage that described DC outfan exports；
Described generating positive and negative voltage modular converter is converted to-5V output for the 5V voltage of the most described DC outfan output.
Auxiliary power circuit the most according to claim 1, it is characterised in that described switching power source chip is chip
UC3845。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610896789.2A CN106329912A (en) | 2016-10-14 | 2016-10-14 | Auxiliary power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610896789.2A CN106329912A (en) | 2016-10-14 | 2016-10-14 | Auxiliary power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106329912A true CN106329912A (en) | 2017-01-11 |
Family
ID=57817640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610896789.2A Pending CN106329912A (en) | 2016-10-14 | 2016-10-14 | Auxiliary power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106329912A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107689670A (en) * | 2017-11-01 | 2018-02-13 | 浙江现代电气有限公司 | A kind of control circuit of main power supply switching switch |
| CN107733073A (en) * | 2017-11-01 | 2018-02-23 | 浙江现代电气有限公司 | A kind of main secondary power switching circuit |
| CN107769561A (en) * | 2017-11-30 | 2018-03-06 | 贝兹维仪器(苏州)有限公司 | A kind of high temperature power module circuitry |
| CN113359914A (en) * | 2021-01-25 | 2021-09-07 | 绍兴文理学院 | Wide dynamic range embedded system power supply circuit of self-generating device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5424936A (en) * | 1994-01-12 | 1995-06-13 | Deltec Corporation | Boost-input backed-up uninterrupted power supply |
| JPH10164832A (en) * | 1996-11-25 | 1998-06-19 | Matsushita Electric Ind Co Ltd | DC step-up / step-down device |
| CN2775929Y (en) * | 2004-12-23 | 2006-04-26 | 浪潮电子信息产业股份有限公司 | 48V DC input server power |
| CN201563062U (en) * | 2009-10-15 | 2010-08-25 | 哈尔滨九洲电气股份有限公司 | Power supply device capable of automatically controlling output voltage based on UC3844 |
| CN101902362A (en) * | 2010-08-02 | 2010-12-01 | 中兴通讯股份有限公司 | Equipment management method, device and system |
| CN203243215U (en) * | 2013-05-09 | 2013-10-16 | 广州广有通信设备有限公司 | Multicircuit output communication power supply capable of hot plugging |
| CN206060528U (en) * | 2016-10-14 | 2017-03-29 | 成都前锋电子仪器有限责任公司 | A kind of auxiliary power circuit |
-
2016
- 2016-10-14 CN CN201610896789.2A patent/CN106329912A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5424936A (en) * | 1994-01-12 | 1995-06-13 | Deltec Corporation | Boost-input backed-up uninterrupted power supply |
| JPH10164832A (en) * | 1996-11-25 | 1998-06-19 | Matsushita Electric Ind Co Ltd | DC step-up / step-down device |
| CN2775929Y (en) * | 2004-12-23 | 2006-04-26 | 浪潮电子信息产业股份有限公司 | 48V DC input server power |
| CN201563062U (en) * | 2009-10-15 | 2010-08-25 | 哈尔滨九洲电气股份有限公司 | Power supply device capable of automatically controlling output voltage based on UC3844 |
| CN101902362A (en) * | 2010-08-02 | 2010-12-01 | 中兴通讯股份有限公司 | Equipment management method, device and system |
| CN203243215U (en) * | 2013-05-09 | 2013-10-16 | 广州广有通信设备有限公司 | Multicircuit output communication power supply capable of hot plugging |
| CN206060528U (en) * | 2016-10-14 | 2017-03-29 | 成都前锋电子仪器有限责任公司 | A kind of auxiliary power circuit |
Non-Patent Citations (3)
| Title |
|---|
| 杨巍巍等: "多路输出反激式开关电源的改进与实现", 《计算机测量与控制》 * |
| 汤升庆等: "基于UC3842的车用开关电源设计 ", 《通信电源技术》 * |
| 汤升庆等: "基于UC3842的车用开关电源设计", 《通信电源技术》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107689670A (en) * | 2017-11-01 | 2018-02-13 | 浙江现代电气有限公司 | A kind of control circuit of main power supply switching switch |
| CN107733073A (en) * | 2017-11-01 | 2018-02-23 | 浙江现代电气有限公司 | A kind of main secondary power switching circuit |
| CN107689670B (en) * | 2017-11-01 | 2024-03-15 | 浙江现代电气有限公司 | Control circuit of main and standby power supply change-over switch |
| CN107733073B (en) * | 2017-11-01 | 2024-03-15 | 浙江现代电气有限公司 | Main and standby power supply switching circuit |
| CN107769561A (en) * | 2017-11-30 | 2018-03-06 | 贝兹维仪器(苏州)有限公司 | A kind of high temperature power module circuitry |
| CN113359914A (en) * | 2021-01-25 | 2021-09-07 | 绍兴文理学院 | Wide dynamic range embedded system power supply circuit of self-generating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2515602C2 (en) | Method for manufacturing of smart system for complex development and testing of high-voltage converter | |
| CN102654951B (en) | Automatic electronic experimental teaching system | |
| CN106329912A (en) | Auxiliary power supply circuit | |
| CN107861874B (en) | Full-automatic automobile electronic equipment testing system | |
| CN110412976B (en) | A functional test system and test method for a motor controller PCBA board | |
| CN102183984A (en) | Power battery simulation system | |
| CN202033439U (en) | Mobile laboratory | |
| CN106933215A (en) | A kind of telemetry system external tapping generalized equivalent device based on PXI buses | |
| CN206060528U (en) | A kind of auxiliary power circuit | |
| CN201812005U (en) | Performance test box and performance test system for analogue input/output (AI/O) module | |
| CN102279573A (en) | Movable laboratory | |
| CN106533142A (en) | Anti-backflow circuit | |
| CN106338699B (en) | Dummy load circuit | |
| CN104133167A (en) | DC step-down circuit test system and method | |
| CN204347152U (en) | A kind of Multi-bus circuit board test diagnosis system | |
| CN206833184U (en) | Interface module for microcontroller | |
| CN201181320Y (en) | Test device for computer opening/closing | |
| CN203165316U (en) | Comprehensive experiment instrument for computer hardware teaching | |
| CN202649264U (en) | A calibratedly-controlled battery operating condition parameter simulating signal source device | |
| CN202838762U (en) | Automatic electronic experimental teaching system | |
| RU111683U1 (en) | AUTOMATED CONTROL SYSTEM FOR ELECTRICAL CONNECTIONS | |
| CN206074674U (en) | A kind of voltage sample circuit | |
| CN106291065A (en) | A kind of voltage sample circuit | |
| CN202793444U (en) | Multipath signal source generator based on LXI bus | |
| CN102081152A (en) | Calibration device and method for out-of-band accessory direct-current electric energy meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |
|
| RJ01 | Rejection of invention patent application after publication |