CN206060528U - A kind of auxiliary power circuit - Google Patents
A kind of auxiliary power circuit Download PDFInfo
- Publication number
- CN206060528U CN206060528U CN201621122792.0U CN201621122792U CN206060528U CN 206060528 U CN206060528 U CN 206060528U CN 201621122792 U CN201621122792 U CN 201621122792U CN 206060528 U CN206060528 U CN 206060528U
- Authority
- CN
- China
- Prior art keywords
- input
- module
- voltage stabilizing
- power source
- source chip
- 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.)
- Active
Links
Landscapes
- Direct Current Feeding And Distribution (AREA)
Abstract
This utility model is related to power supply test field, particularly a kind of auxiliary power circuit.Including switching power source chip, DC DC modules, the first Voltage stabilizing module, the second Voltage stabilizing module, generating positive and negative voltage modular converter and isolation Voltage stabilizing module；The input of first Voltage stabilizing module is connected with 48V input powers, and outfan is connected with switching power source chip；The outfan of the switching power source chip is connected with the control end of the DC DC modules；The input of the DC DC modules is connected with 48V input powers, the other end be DC outfans, the DC outfans by isolate Voltage stabilizing module be connected with the feedback end of switching power source chip；The DC outfans are also connected with the input of the input and the second Voltage stabilizing module of the generating positive and negative voltage modular converter respectively；48V voltages will be input into reference to switching power source chip by DC DC modules and be respectively converted into 5V, 3.3V and 5V output.
Description
Technical field
This utility model is related to power supply test field, particularly a kind of auxiliary power circuit.
Background technology
Generally, when the test related to DC source is carried out, engineer must collect and configure multiple stage instrument, could be complete
Into direct current supply and measuring task.When these complex tasks are performed, multiple stage test instrunment may be connected to simultaneously, so as to increase
The risk of error；For this purpose, engineer may select the automatic test complicated more than manual test, although automatic test task
Manual errors can be reduced, but the research and development engineer write with debugging routine to having worked overloadingly further increases work
Amount.And the appearance of DC source analyser avoids engineer using the debugging that complexity is carried out before multiple devices and test.Electricity
Electric current of the source analyser by the measurable inflow DUT of its built-in electric current kinetic measurement ability, without such as current probe
With this kind of sensor of diverter；, without the need for exploitation control and process of measurement, institute is functional and measures all integrated for DC source analyser
In same equipment, without PC, driver and software, more than 90% is reduced equivalent to the workload related to setting；
Direct current supply and measurement test assignment that user then can be just completed with 2 day time using independent test equipment, using unidirectional current
Source analyser just be able to can be completed in 5 minutes.And it is usual, circuit tester module, oscillograph mould are integrated with DC source analyser
There is module, data recordin module and multiple DC power suppliers in block, random waveform, wherein, it is multiple with different output works
The DC power supplier of rate is undoubtedly one of most crucial device of power analysis instrument, and the auxiliary power circuit of DC power supplier is born
Blame different running voltages, so, the stability of the auxiliary power circuit are provided to each functional module of DC power supplier
Just the functional realiey of each power module is extremely important.
Utility model content
Goal of the invention of the present utility model is each functional module for each power module in DC source analyser
Required running voltage is different, there is provided a kind of working stability, it is adaptable to the accessory power supply of particular power module in power analysis instrument
Circuit.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of auxiliary power circuit, including switching power source chip, DC-DC module, the first Voltage stabilizing module, the second voltage stabilizing mould
Block, generating positive and negative voltage modular converter and isolation Voltage stabilizing module；
The input of first Voltage stabilizing module is connected with 48V input powers, and outfan is connected with switching power source chip；Institute
The outfan for stating switching power source chip is connected with the control end of the DC-DC module；The input and 48V of the DC-DC module
Input power connects, and the other end is DC outfans, and it is anti-with switching power source chip that the DC outfans pass through isolation Voltage stabilizing module
The connection of feedback end；DC outfans input also respectively with the input and the second Voltage stabilizing module of the generating positive and negative voltage modular converter
End connection；
First Voltage stabilizing module for by 48V input voltages be converted to 12V voltages and for the switching power source chip supply
Electricity；
The switching power source chip output pwm pulse controls the DC-DC module carries out voltage conversion；
48V input voltages are converted to 5V voltages from institute under the control of the switching power source chip by the DC-DC module
State the output of DC outfans；
Second Voltage stabilizing module is exported for 3.3V for the 5V voltage conversions for exporting the DC outfans；
The generating positive and negative voltage modular converter is used for the 5V voltage conversions of just described DC outfans output and exports for -5V.
The DC output ports also directly publish books 5V voltages to the corresponding function module.
Preferably, the switching power source chip is chip UC3845.
In sum, as a result of above-mentioned technical proposal, the beneficial effects of the utility model are：
48V voltages will be input into reference to switching power source chip by DC-DC module and be respectively converted into 5V, 3.3V and -5V is defeated
Go out, so as to the running voltage of the stable respective demand of offer of each functional module for power module in power analysis instrument.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawings, this utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit this utility model.
Embodiment 1：As shown in figure 1, a kind of auxiliary power circuit, including switching power source chip 3, DC-DC module 1, first
Voltage stabilizing module 2, the second Voltage stabilizing module 6, generating positive and negative voltage modular converter 5 and isolation Voltage stabilizing module 4；
The input of first Voltage stabilizing module 2 is connected with 48V input powers, and outfan is connected with switching power source chip 3；
The outfan of the switching power source chip 3 is connected with the control end of the DC-DC module 1；The input of the DC-DC module 1
It is connected with 48V input powers, the other end is DC outfans, and the DC outfans are by isolating Voltage stabilizing module 4 and Switching Power Supply core
The feedback end connection of piece 3；DC outfans input and the second voltage stabilizing mould also respectively with the generating positive and negative voltage modular converter 5
The input connection of block 6；
First Voltage stabilizing module 2 is for being converted to 12V voltages and for the switching power source chip 3 by 48V input voltages
Power supply；
The output pwm pulse of the switching power source chip 3 controls the DC-DC module 1 carries out voltage conversion；
48V input voltages are converted to 5V voltages certainly under the control of the switching power source chip 3 by the DC-DC module 1
The DC outfans output；
Second Voltage stabilizing module 6 is exported for 3.3V for the 5V voltage conversions for exporting the DC outfans；
The generating positive and negative voltage modular converter 5 is used for the 5V voltage conversions of just described DC outfans output and exports for -5V.
The DC output ports also directly publish books 5V voltages to the corresponding function module.
Preferably, the switching power source chip 3 is chip UC3845.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in this utility model
Protection domain within.
Claims (2)
1. a kind of auxiliary power circuit, it is characterised in that including 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 first Voltage stabilizing module is connected with 48V input powers, and outfan is connected with switching power source chip；It is described to open
The outfan of powered-down source chip is connected with the control end of the DC-DC module；The input of the DC-DC module is input into 48V
Power supply connects, and the other end is DC outfans, and the DC outfans are by isolation Voltage stabilizing module and the feedback end of switching power source chip
Connection；The DC outfans are also connected with the input of the input and the second Voltage stabilizing module of the generating positive and negative voltage modular converter respectively
Connect；
First Voltage stabilizing module is for being converted to 12V voltages by 48V input voltages and power for the switching power source chip；
The switching power source chip output pwm pulse controls the DC-DC module carries out voltage conversion；
48V input voltages are converted to 5V voltages from the DC under the control of the switching power source chip by the DC-DC module
Outfan is exported；
Second Voltage stabilizing module is exported for 3.3V for the 5V voltage conversions for exporting the DC outfans；
The generating positive and negative voltage modular converter is used for the 5V voltage conversions of just described DC outfans output and exports for -5V.
2. auxiliary power circuit according to claim 1, it is characterised in that the switching power source chip is chip
UC3845。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621122792.0U CN206060528U (en) | 2016-10-14 | 2016-10-14 | A kind of auxiliary power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621122792.0U CN206060528U (en) | 2016-10-14 | 2016-10-14 | A kind of auxiliary power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206060528U true CN206060528U (en) | 2017-03-29 |
Family
ID=58363942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621122792.0U Active CN206060528U (en) | 2016-10-14 | 2016-10-14 | A kind of auxiliary power circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206060528U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329912A (en) * | 2016-10-14 | 2017-01-11 | 成都前锋电子仪器有限责任公司 | Auxiliary power supply circuit |
-
2016
- 2016-10-14 CN CN201621122792.0U patent/CN206060528U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329912A (en) * | 2016-10-14 | 2017-01-11 | 成都前锋电子仪器有限责任公司 | Auxiliary power supply circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2515602C2 (en) | Method for manufacturing of smart system for complex development and testing of high-voltage converter | |
| CN103257286B (en) | A kind of charging electric vehicle facility automatic test approach and system | |
| CN102654951B (en) | Automatic electronic experimental teaching system | |
| CN106329912A (en) | Auxiliary power supply circuit | |
| CN103257277B (en) | Multifunctional virtual instrument based on constant flow source and control method | |
| Schwendemann et al. | A modular converter-and signal-processing-platform for academic research in the field of power electronics | |
| CN102830629B (en) | Testing device and method of power electronic control system | |
| CN206060528U (en) | A kind of auxiliary power circuit | |
| CN201812005U (en) | Performance test box and performance test system for analogue input/output (AI/O) module | |
| CN107204133A (en) | A kind of automatic teaching and examination robot | |
| CN106533142A (en) | Anti-backflow circuit | |
| CN203788304U (en) | Device for testing function of hardware interface | |
| CN203149428U (en) | Three-phase program-control accurate test power supply | |
| CN206114872U (en) | False load circuit | |
| CN206099924U (en) | Sawtooth wave produces circuit | |
| CN106023753B (en) | A kind of device and method of intelligent Evaluation analogous circuit experiment | |
| CN206060562U (en) | A kind of circuit for power conversion for power analysis instrument power module | |
| CN106338699B (en) | Dummy load circuit | |
| CN203054053U (en) | Multifunctional electronic measuring instrument | |
| CN106300966B (en) | One kind being used for power analysis instrument power module | |
| CN206096207U (en) | Arbitrary wave generator of DDS | |
| CN206060522U (en) | A kind of anti-back flow circuit | |
| CN203165316U (en) | Comprehensive experiment instrument for computer hardware teaching | |
| CN205333802U (en) | Non - linearity analog circuit fault diagnostic equipment based on nuclear characteristic | |
| CN206833184U (en) | Interface module for microcontroller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |