CN208369470U - A kind of DC power supplier of tape test monitoring function - Google Patents
A kind of DC power supplier of tape test monitoring function Download PDFInfo
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- CN208369470U CN208369470U CN201820866403.8U CN201820866403U CN208369470U CN 208369470 U CN208369470 U CN 208369470U CN 201820866403 U CN201820866403 U CN 201820866403U CN 208369470 U CN208369470 U CN 208369470U
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Abstract
The utility model proposes a kind of DC power suppliers of tape test monitoring function, mainly include EMC protection module, DC/DC voltage reduction module, inspection leakage resistance R, voltage difference amplifying circuit, MCU controller, ADC conversion module, LED light and charactron.It can be applied to electronic product debugging test and plant produced test, facilitate monitoring electronic product power consumption state, load situation of change, and search powered-off fault problem.The module can also flexibly control output voltage and power on and lower electricity, can assist the power-on and power-off pressure test for carrying out the production debugging stage.
Description
Technical field
The present invention relates to a kind of DC power supplier, in particular to a kind of DC power supplier of tape test monitoring function.
Background technique
In electronic product debugging test and plant produced test, regulated power supply is a kind of with obtaining more equipment, main
It is used for the power supply of electron product, function is strong some to can also look at supply voltage and electric current.But existing regulated power supply is set
It is standby to be merely able to show current voltage and current, the power consumption state during electronic product continuous work can not be tracked, when need
When obtaining the typical power consumption value and maximum, minimum power consumption value of electronic product, test process can be very troublesome.In addition, working as electronics
When powered-off fault occurs in product, it can not also know the time that abnormal problem occurs, monitoring voltage state can only be carried out by oscillograph,
But corresponding current status can not be known at this time, the working efficiency of abnormal problem positioning is not very high.
The utility model is a kind of DC power supplier of tape test monitoring function, and power module can be by the 5V- of input
30V voltage step-down can measure the voltage and electricity of output to 0.8V-24V voltage output according to pre-set frequency
Stream, and the voltage value measured and current value are continuously exported by UART interface, it can be applied to electronic product debugging and survey
Examination and plant produced test facilitate monitoring electronic product power consumption state, load situation of change, and search powered-off fault problem.
It is powered on and lower electricity in addition, the module can also flexibly control output voltage, the voltage up and down for carrying out the production debugging stage can be assisted
Power test.
Summary of the invention
The utility model is a kind of DC power supplier of tape test monitoring function, and power module can be by the 5V- of input
30V voltage step-down can measure the voltage and electricity of output to 0.8V-24V voltage output according to pre-set frequency
Stream, and the voltage value measured and current value are continuously exported by UART interface, it can be applied to electronic product debugging and survey
Examination and plant produced test facilitate monitoring electronic product power consumption state, load situation of change, and search powered-off fault problem.
It is powered on and lower electricity in addition, the module can also flexibly control output voltage, the voltage up and down for carrying out the production debugging stage can be assisted
Power test.
To achieve the goals above, the present invention provides following technical schemes:
A kind of DC power supplier of tape test monitoring function mainly includes EMC protective module, DC/DC voltage reduction module, inspection
Leakage resistance R, voltage difference amplifying circuit, MCU controller, ADC conversion module, LED light and charactron.
Further, the input terminal of the input terminal connection EMC protective module of input voltage, the output of EMC protective module
The input terminal of end connection DC/DC voltage reduction module, one end of the output end connection inspection leakage resistance R of DC/DC voltage reduction module, examines galvanic electricity
Hinder the output end of the other end connection voltage output of R.
Further, the input terminal of voltage difference amplifying circuit is separately connected the both ends of inspection leakage resistance R, voltage difference amplification electricity
The input terminal of the output end connection ADC conversion module on road, the signal input of the output end connection MCU controller of ADC conversion module
End.
Further, the input terminal of voltage output end connection ADC conversion module, the output end connection of ADC conversion module
The signal input part of MCU controller.
Further, MCU controller is connect with UART interface two-way signaling.
Further, the output end connection LED light and charactron of MCU controller.
Further, the enabled control terminal of the control signal output connection DC/DC voltage reduction module of MCU controller.
The DC power supplier basic functional principle of the tape test monitoring function is as follows:
User sends commands to MCU by UART interface, and notice MCU is arranged desired output voltage values, then enables DC/
The voltage output of DC voltage reduction module；When output voltage is opened, and has load, just has voltage and flow through inspection stream inspection leakage resistance R,
Examine leakage resistance R on formed a small voltage difference, subsequent voltage difference amplifying circuit voltage difference will be amplified to one compared with
The voltage value of big easy measurement；ADC conversion module samples amplified voltage value, while sampling output voltage values, will
Two voltage values are sent to MCU controller.MCU controller can be calculated according to the amplified voltage value of voltage difference amplifying circuit
The virtual voltage for examining leakage resistance both ends is poor, then output electric current is calculated according to the value of inspection leakage resistance R, in conjunction with output voltage
Value, can calculate instantaneous performance number.
MCU controller sends out output current value and output voltage values and instantaneous power value by UART port.It is logical
It crosses setting and sends frequency, user is obtained with the load condition data of test product in set period, can be used for analyzing tested
The running parameter of product, it can also be used to debug and solve the problems, such as.
In addition, MCU controller also can be come out the output voltage measured and output electric current by numeral method, facilitate use
Family is directly viewable load operating condition.Voltage monitoring threshold and current monitoring thresholding can be set, when MCU controller detect it is defeated
After voltage or output electric current have exceeded setting thresholding out, it will be alerted by lighting LED light.It can be set up and down
Electric time parameter allows the MCU controller control DC/DC voltage reduction module to be powered on according to predetermined formula and lower electricity, realizes power-on and power-off
The automation control of pressure test.
The utility model is a kind of DC power supplier of tape test monitoring function, power module can by the 5V of input~
30V voltage step-down can measure the voltage and electricity of output to 0.8V~24V voltage output according to pre-set frequency
Stream, and the voltage value measured and current value are continuously exported by UART interface, it can be applied to electronic product debugging and survey
Examination and plant produced test facilitate monitoring electronic product power consumption state, load situation of change, and search powered-off fault problem.
It is powered on and lower electricity in addition, the module can also flexibly control output voltage, the voltage up and down for carrying out the production debugging stage can be assisted
Power test.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of internal circuit connection figure of the DC power supplier of tape test monitoring function.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one
Referring to Fig. 1, a kind of DC power supplier of tape test monitoring function mainly includes EMC protective module, DC/DC drop
Die block, inspection leakage resistance R, voltage difference amplifying circuit, MCU controller, ADC conversion module, LED light and charactron.
Further, the input terminal of the input terminal connection EMC protective module of input voltage, the output of EMC protective module
The input terminal of end connection DC/DC voltage reduction module, one end of the output end connection inspection leakage resistance R of DC/DC voltage reduction module, examines galvanic electricity
Hinder the output end of the other end connection voltage output of R.
Further, the input terminal of voltage difference amplifying circuit is separately connected the both ends of inspection leakage resistance R, voltage difference amplification electricity
The input terminal of the output end connection ADC conversion module on road, the signal input of the output end connection MCU controller of ADC conversion module
End.
Further, the input terminal of voltage output end connection ADC conversion module, the output end connection of ADC conversion module
The signal input part of MCU controller.
Further, MCU controller is connect with UART interface two-way signaling.
Further, the output end connection LED light and charactron of MCU controller.
Further, the enabled control terminal of the control signal output connection DC/DC voltage reduction module of MCU controller.
Further, MCU type selecting is AT89C2051-24PU.
The DC power supplier basic functional principle of the tape test monitoring function is as follows:
User sends commands to MCU by UART interface, and notice MCU is arranged desired output voltage values, then enables DC/
The voltage output of DC voltage reduction module；When output voltage is opened, and has load, just has voltage and flow through inspection stream inspection leakage resistance R,
Examine leakage resistance R on formed a small voltage difference, subsequent voltage difference amplifying circuit voltage difference will be amplified to one compared with
The voltage value of big easy measurement；ADC conversion module samples amplified voltage value, while sampling output voltage values, will
Two voltage values are sent to MCU controller.MCU controller can be calculated according to the amplified voltage value of voltage difference amplifying circuit
The virtual voltage for examining leakage resistance both ends is poor, then output electric current is calculated according to the value of inspection leakage resistance R, in conjunction with output voltage
Value, can calculate instantaneous performance number.
MCU controller sends out output current value and output voltage values and instantaneous power value by UART port.It is logical
It crosses setting and sends frequency, user is obtained with the load condition data of test product in set period, can be used for analyzing tested
The running parameter of product, it can also be used to debug and solve the problems, such as.
In addition, MCU controller also can be come out the output voltage measured and output electric current by numeral method, facilitate use
Family is directly viewable load operating condition.Voltage monitoring threshold and current monitoring thresholding can be set, when MCU controller detect it is defeated
After voltage or output electric current have exceeded setting thresholding out, it will be alerted by lighting LED light.It can be set up and down
Electric time parameter allows the MCU controller control DC/DC voltage reduction module to be powered on according to predetermined formula and lower electricity, realizes power-on and power-off
The automation control of pressure test.
The utility model is a kind of DC power supplier of tape test monitoring function, and power module can be by the 5V- of input
30V voltage step-down can measure the voltage and electricity of output to 0.8V-24V voltage output according to pre-set frequency
Stream, and the voltage value measured and current value are continuously exported by UART interface, it can be applied to electronic product debugging and survey
Examination and plant produced test facilitate monitoring electronic product power consumption state, load situation of change, and search powered-off fault problem.
It is powered on and lower electricity in addition, the module can also flexibly control output voltage, the voltage up and down for carrying out the production debugging stage can be assisted
Power test.
As described above, the utility model can be realized preferably.For a person skilled in the art, practical according to this hair
Novel introduction designs various forms of DC power suppliers and does not need creative labor.It is of the invention not departing from
These embodiments are changed in the case where principle and spirit, modifies, replace, integrating and modification still falls within protection of the invention
In range.
Claims (1)
1. a kind of DC power supplier of tape test monitoring function, including MCU controller, which is characterized in that the DC power supply
Module further includes EMC protective module, DC/DC voltage reduction module, inspection leakage resistance R, voltage difference amplifying circuit, ADC conversion module, LED
Indicator light and charactron, the input terminal of input voltage connect the input terminal of the EMC protective module, the output of EMC protective module
The input terminal of end connection DC/DC voltage reduction module, one end of the output end connection inspection leakage resistance R of DC/DC voltage reduction module, examines leakage resistance
The output end of the other end connection voltage output of R, the input terminal of the voltage difference amplifying circuit are separately connected the two of inspection leakage resistance R
End, the input terminal of the output end connection ADC conversion module of voltage difference amplifying circuit, the output end connection MCU control of ADC conversion module
The signal input part of device processed, voltage output end connect the input terminal of the ADC conversion module, and MCU controller and UART interface are double
It is connected to signal, the output end connection LED light and charactron of MCU controller, the control signal output of MCU controller connect
Connect the enabled control terminal of DC/DC voltage reduction module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820866403.8U CN208369470U (en) | 2018-06-06 | 2018-06-06 | A kind of DC power supplier of tape test monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820866403.8U CN208369470U (en) | 2018-06-06 | 2018-06-06 | A kind of DC power supplier of tape test monitoring function |
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| Publication Number | Publication Date |
|---|---|
| CN208369470U true CN208369470U (en) | 2019-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820866403.8U Active CN208369470U (en) | 2018-06-06 | 2018-06-06 | A kind of DC power supplier of tape test monitoring function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112327048A (en) * | 2020-11-03 | 2021-02-05 | 国网江苏省电力有限公司电力科学研究院 | Power testing device and method for electronic equipment |
-
2018
- 2018-06-06 CN CN201820866403.8U patent/CN208369470U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112327048A (en) * | 2020-11-03 | 2021-02-05 | 国网江苏省电力有限公司电力科学研究院 | Power testing device and method for electronic equipment |
| CN112327048B (en) * | 2020-11-03 | 2023-08-29 | 国网江苏省电力有限公司电力科学研究院 | Power testing device and method for electronic equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201210 Address after: Room 406, No. 4811, Cao'an Road, Anting Town, Jiading District, Shanghai, 201800 Patentee after: Shanghai Research Technology Co., Ltd Address before: Room 304, No. 2299, Zhongshan North Road, Putuo District, Shanghai Patentee before: SHANGHAI NUOCHENG APPARATUS AND INSTRUMENT Co.,Ltd. |
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| TR01 | Transfer of patent right |