CN104679085B - Power supply regulating device - Google Patents
Power supply regulating device Download PDFInfo
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- CN104679085B CN104679085B CN201310631858.3A CN201310631858A CN104679085B CN 104679085 B CN104679085 B CN 104679085B CN 201310631858 A CN201310631858 A CN 201310631858A CN 104679085 B CN104679085 B CN 104679085B
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- amplifier
- power supply
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- resistance
- chip microcomputer
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- 230000001105 regulatory effect Effects 0.000 title abstract 4
- 239000004973 liquid crystal related substance Substances 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 7
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000005070 sampling Methods 0.000 abstract 4
- 239000013078 crystal Substances 0.000 description 3
- QWCRAEMEVRGPNT-UHFFFAOYSA-N buspirone Chemical compound C1C(=O)N(CCCCN2CCN(CC2)C=2N=CC=CN=2)C(=O)CC21CCCC2 QWCRAEMEVRGPNT-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The invention discloses a power supply regulating device which is connected between a power supply circuit and a loop test device. The power supply regulating circuit comprises a sampling circuit and a control circuit, wherein the sampling circuit is connected with the output end of the power supply circuit to collect the output voltage of the power supply circuit and to output the collected voltage. The control circuit comprises a single-chip microcomputer which is connected with the output end of the sampling circuit in order to receive the output voltage of the sampling circuit, and a radio frequency power supply in the loop test device is regulated by the single-chip microcomputer according to the received output voltage, so that the voltage of the radio frequency power supply matches with the output voltage on the output end of the power supply circuit and the accuracy of the test results of the loop test device is ensured.
Description
Technical field
The present invention relates to a kind of power-conditioning device.
Background technology
When carrying out go-and-return test to power supply circuits, the radio-frequency power supply in usual loop test equipment is set as 50mV, uses
Test in the stability to power supply circuits output voltage.But for different power supply circuits, the signal of output is different, is permitted
The ripple permitted also differs, if different power supply circuits are all using the radio-frequency power supply of 50mV, obtained test result is just not
The stability of power supply circuits can be accurately reflected.
Content of the invention
In view of the foregoing it is necessary to provide a kind of power-conditioning device, set with the output voltage according to power supply circuits
Radio-frequency power supply in loop test equipment.
A kind of power-conditioning device, is connected between power supply circuits and a loop test equipment, including：
One sample circuit, connects described power supply circuits defeated with gather that described power supply circuits output signal exporting gathered
Go out the output voltage of signal；And
One control circuit, including a single-chip microcomputer, described single-chip microcomputer connects described sample circuit to receive described sample circuit
The output voltage of the output signal being gathered, is preset with an adjustment ratio in described single-chip microcomputer, described single-chip microcomputer is also connected with described
Loop test equipment, described single-chip microcomputer adjusts in described loop test equipment according to adjustment ratio according to the output voltage being received
Radio-frequency power supply.
Above-mentioned power-conditioning device utilizes the described sample circuit voltage signal that constantly the described power supply circuits of collection export simultaneously
The voltage signal being gathered is sent to described control circuit, described control circuit is according to received voltage signal and setting
Adjustment ratio adjusts radio-frequency power supply in described loop test equipment so that the voltage of described radio-frequency power supply and described power supply circuits
The voltage matches of output end output, to guarantee the accuracy of described loop test equipment test result.
Brief description
Fig. 1 is the block diagram of the better embodiment of power-conditioning device of the present invention.
Fig. 2 and Fig. 3 is the circuit diagram of Fig. 1.
Main element symbol description
Power-conditioning device 100
Power supply circuits 200
Loop test equipment 300
Sample circuit 10
Control circuit 20
Display circuit 30
Amplifier Q1-Q3
Resistance R1-R14
Electric capacity C1-C13
Single-chip microcomputer U1
Crystal oscillator Y1
Inductance L1
Button switch K 1-K4
Light emitting diode D1, D2
LCD module U2
Following specific embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Specific embodiment
Below in conjunction with the accompanying drawings and better embodiment is described in further detail to the present invention：
Refer to Fig. 1, power-conditioning device 100 of the present invention is connected to power supply circuits 200 and a loop test equipment 300
Between, described loop test equipment 300 connects described power supply circuits 200 to stablize to described power supply circuits 200 output voltage
Property is tested.The better embodiment of described power-conditioning device 100 includes a sample circuit 10, a control circuit 20 and
Display circuit 30.
Described sample circuit 10 connects output end OUT of described power supply circuits 200 to gather the defeated of described power supply circuits 200
Go out to hold the voltage signal of OUT output.Refer to Fig. 2, in present embodiment, described sample circuit 10 is a differential amplifier circuit,
Including three amplifier Q1-Q3, resistance R1-R11 and electric capacity C1-C7.The in-phase input end of described amplifier Q1 passes through resistance R1
Connect output end OUT of described power supply circuits 200, output end OUT of described power supply circuits 200 is sequentially connect by resistance R2, R3
Ground, the in-phase input end of described amplifier Q1 connects the anti-phase of described amplifier Q1 also by electric capacity C1 ground connection and by electric capacity C2
Input, the power end of described amplifier Q1 connects a power supply P5V, and the power end of described amplifier Q1 connects also by electric capacity C3
Ground, the earth terminal ground connection of described amplifier Q1.Described node between resistance R2, R3 connects described amplifier Q2 by resistance R4
Inverting input, the inverting input of described amplifier Q2 connects described amplification also by electric capacity C4 ground connection and by electric capacity C5
The in-phase input end of device Q2, the in-phase input end of described amplifier Q2 connects the anti-phase defeated of described amplifier Q1 also by resistance R5
Enter end, the power end of described amplifier Q2 connects described power supply P5V, and the power end of described amplifier Q2 connects also by electric capacity C6
Ground, the earth terminal ground connection of described amplifier Q2.The output end of described amplifier Q1 connects described amplifier Q3's by resistance R6
In-phase input end, the output end of described amplifier Q1 connects the inverting input of described amplifier Q1 also by resistance R7.Described
The output end of amplifier Q2 connects the inverting input of described amplifier Q3 by resistance R8, and the output end of described amplifier Q2 is also
Connect the in-phase input end of described amplifier Q2 by resistance R9.The power end of described amplifier Q3 connects described power supply P5V, institute
The power end stating amplifier Q3 is grounded also by electric capacity C7, the earth terminal ground connection of described amplifier Q3, and described amplifier Q3's is defeated
Go out the inverting input that end connects described amplifier Q3 by resistance R10, the output end of described amplifier Q3 is also connected with described electricity
The first end of resistance R11, second end of described resistance R11 is the output end of described sample circuit 10.
Described control circuit 20 connects the output end of described sample circuit 10, is collected with receiving described sample circuit 10
Voltage signal.Refer to Fig. 3, in present embodiment, described control circuit 20 includes a single-chip microcomputer U1, resistance R12-R14, electricity
Hold C8-C13, crystal oscillator Y1, inductance L1, button switch K 1-K4 and two light emitting diodes D1, D2.The input of described single-chip microcomputer U1
Pin RE connects second end of described resistance R11, and first power pins VCC of described single-chip microcomputer U1 connect described power supply P5V, the
Two power pins AVCC by inductance L1 connect described power supply P5V, described second source pin AVCC also respectively pass through electric capacity C8,
C9 is grounded, the grounding pin GND ground connection of described single-chip microcomputer U1.The first clock pins XTAL1 of described single-chip microcomputer U1 passes through electric capacity
C10 is grounded, and second clock pin XTAL2 is grounded by electric capacity C11, first and second clock pins of described single-chip microcomputer U1
It is also connected with described crystal oscillator Y1 between XTAL1, XTAL2.The pin RST of restarting of described single-chip microcomputer U1 passes through described in resistance R12 connection
Power supply P5V, described restart pin RST and be grounded also by electric capacity C12, described power supply P5V is grounded by electric capacity C13.Described monolithic
The anode of the first instruction pin PD1 connecting luminous diode D1 of machine U1, the anode of described light emitting diode D1 is also by resistance
R13 connects described power supply P5V, the minus earth of described light emitting diode D1.The second instruction pin PD2 of described single-chip microcomputer U1 is even
The anode of sending and receiving optical diode D2, the anode of described light emitting diode D2 connects described power supply P5V also by resistance R14, described
The minus earth of light emitting diode D2.The first adjustment pin PC1 of described single-chip microcomputer U1 is grounded by button switch K 1, the second tune
Whole pin PC2 is grounded by button switch K 2, and the recovery pin PC3 of described single-chip microcomputer U1 is grounded by button switch K 3, described
The determination pin PC4 of single-chip microcomputer U1 is grounded by button switch K 4.Bus pin G of described single-chip microcomputer U1 connects described loop and surveys
Bus pin P of examination equipment 300, passes through a general purpose interface bus between described single-chip microcomputer U1 and described loop test equipment 300
(General-Purpose Interface Bus, GPIB) is communicated.
Described display circuit 30 includes a liquid crystal display (Liquid Crystal Display, LCD) module U2, described
Power pins VDD of LCD module U2 connect a power supply V5SB, described grounding pin GND ground connection, the piece choosing of described LCD module U2
Pin CS connects the first output pin PA1 of described single-chip microcomputer U1, and data pin SDA connects second output of described single-chip microcomputer U1
Pin PA2, clock pins SCL connect the 3rd output pin PA3 of described single-chip microcomputer U1, restart pin RST and connect described monolithic
The 4th output pin PA4 of machine U1.
It is preset with an adjustment ratio, in present embodiment, described adjustment ratio is 1%, that is, described in described single-chip microcomputer U1
The voltage of the radio-frequency power supply in single-chip microcomputer U1 loop test equipment 300 according to received Voltage Cortrol is by being received electricity
The 1% of pressure.When voltage received by as described single-chip microcomputer U1 is 5V, described single-chip microcomputer U1 passes through described GPIB and adjusts described ring
The voltage of the radio-frequency power supply in road test equipment 300 is 50mV.User can arrange described monolithic using described button switch K 1
In machine U1, default adjustment ratio uprises, and arranges the adjustment ratio step-down in described single-chip microcomputer U1 using button switch K 2.Use
Person can be utilized described button switch K 4 to determine adjustment ratio after being provided with described adjustment ratio.When user directly adopts institute
When stating default adjustment ratio in single-chip microcomputer U1, after user presses the button switch K4, described single-chip microcomputer U1 utilizes default tune
Whole ratio work.During setting adjustment ratio, the adjustment ratio arranging can be resetted by user using button switch K 3, this
Adjustment ratio in Shi Suoshu single-chip microcomputer U1 is default adjustment ratio.
During use, to electricity on described power-conditioning device 100, the first instruction pin PD1 of described single-chip microcomputer U1 sends one
High level signal makes described light emitting diode D1 light, to indicate that on described power-conditioning device 100, electricity completes.User sets
After putting the adjustment ratio completing in single-chip microcomputer U1, press described button switch K 4 so that described single-chip microcomputer U1 starts working, this
When, described single-chip microcomputer U1 controls described LCD module U2 to show that described power-conditioning device 100 parameter setting completes.
Described sample circuit 10 constantly gathers the voltage signal of output end OUT output of described power supply circuits 200 and by institute
The voltage of collection sends the input pin RE of described single-chip microcomputer U1 to, and described single-chip microcomputer U1 is according to the voltage receiving controls
LCD module U2 shows the output voltage of described power supply circuits 200.Described single-chip microcomputer U1 is according to the tune of received voltage and setting
Whole ratio passes through the voltage that described GPIB adjusts the radio-frequency power supply in described loop test equipment 300.Described single-chip microcomputer U1 is in institute
Described LCD module U2 is controlled to show described loop test equipment after the completion of stating the adjustment of the radio-frequency power supply in loop test equipment 300
Radio-frequency power supply adjustment in 300 completes.During use, when described power-conditioning device 100 hinders stopping for some reason, described monolithic
The second instruction pin PD2 of machine U1 sends a high level signal and described light emitting diode D2 is lighted, to indicate described power supply
Adjusting means 100 fault.
Above-mentioned power-conditioning device 100 constantly gathers the output end of described power supply circuits 200 using described sample circuit 10
The voltage signal of OUT output simultaneously sends the voltage signal being gathered to described control circuit 20, described control circuit 20 basis
The adjustment ratio of received voltage signal and setting adjusts the voltage of the radio-frequency power supply in described loop test equipment 300, makes
The voltage obtaining described radio-frequency power supply is mated with the output voltage of output end OUT of described power supply circuits 200, to guarantee described loop
The accuracy of test equipment 300 test result.
Claims (3)
1. a kind of power-conditioning device, is connected between power supply circuits and a loop test equipment, described power-conditioning device
Including：One sample circuit, connects the voltage that the output end of described power supply circuits is exported with the output end gathering described power supply circuits
And by the voltage output collecting；And a control circuit, including a single-chip microcomputer, in described single-chip microcomputer, it is preset with an adjustment ratio
Example, described single-chip microcomputer connects the output end of the described sample circuit output voltage to receive described sample circuit, described single-chip microcomputer
It is also connected with described loop test equipment, described single-chip microcomputer adjusts described loop according to the output voltage being received according to adjustment ratio
Radio-frequency power supply in test equipment, described power-conditioning device also includes a display circuit, and described display circuit includes a liquid crystal
Display module, the power pins of described liquid crystal display module are connected to one first power supply, the grounding lead of described liquid crystal display module
Pin is grounded, and the chip select pin of described liquid crystal display module connects the first output pin of described single-chip microcomputer, described liquid crystal display mode
The data pin of group connects the second output pin of described single-chip microcomputer, and the clock pins of described liquid crystal display module connect described list
3rd output pin of piece machine, the 4th output pin restarting the pin described single-chip microcomputer of connection of described liquid crystal display module；Institute
State sample circuit and include the first to the 3rd amplifier, the first to the 11st resistance and the first to the 7th electric capacity, described first amplification
The in-phase input end of device connects the output end of described power supply circuits by described first resistor, and described power supply circuits output end is sequentially
By second and third resistance eutral grounding, the in-phase input end of described first amplifier also by described first capacity earth and passes through
The inverting input of the first amplifier described in described second capacitance connection, the power end of described first amplifier connects one second electricity
Source, the power end of described first amplifier is also by described 3rd capacity earth, the earth terminal ground connection of described first amplifier, institute
State the node between second and third resistance and pass through the inverting input that described 4th resistance connects described second amplifier, described
The inverting input of the second amplifier is put also by described 4th capacity earth and by described in described 5th capacitance connection second
The in-phase input end of big device, the in-phase input end of described second amplifier connects described first amplification also by described 5th resistance
The inverting input of device, the power end of described second amplifier connects described second source, the power end of described second amplifier
Also by described 6th capacity earth, the earth terminal ground connection of described second amplifier, the output end of described first amplifier is passed through
Described 6th resistance connects the in-phase input end of described 3rd amplifier, and the output end of described first amplifier is also by described the
Seven resistance connect the inverting input of described first amplifier, and the output end of described second amplifier passes through described 8th resistance even
Connect the inverting input of described 3rd amplifier, the output end of described second amplifier connects described second also by the 9th resistance
The in-phase input end of amplifier, the power end of described 3rd amplifier connects described second source, the electricity of described 3rd amplifier
Source is also by described 7th capacity earth, the earth terminal ground connection of described 3rd amplifier, the output end of described 3rd amplifier
Connect the inverting input of described 3rd amplifier by described tenth resistance, the output end of described 3rd amplifier is also connected with institute
State the first end of the 11st resistance, the second end of described 11st resistance is the output end of described sample circuit.
2. power-conditioning device as claimed in claim 1 it is characterised in that：Described control circuit also includes first and second
Optical diode and the 13rd, the 14th resistance, the first instruction pin of described single-chip microcomputer connects described first light emitting diode
Anode, the anode of described first light emitting diode connects described second source also by described 13rd resistance, described first
The minus earth of light emitting diode, the second instruction pin of described single-chip microcomputer connects the anode of described second light emitting diode, institute
The anode stating the second light emitting diode connects described second source, described second light emitting diode also by described 14th resistance
Minus earth, described first light emitting diode is used for indicating the power-up state of described power-conditioning device, and described second lights
Diode is used for indicating the working condition of described power-conditioning device.
3. power-conditioning device as claimed in claim 1 it is characterised in that：Described single-chip microcomputer and described loop test equipment it
Between communicated by general purpose interface bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310631858.3A CN104679085B (en) | 2013-11-30 | 2013-11-30 | Power supply regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310631858.3A CN104679085B (en) | 2013-11-30 | 2013-11-30 | Power supply regulating device |
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| Publication Number | Publication Date |
|---|---|
| CN104679085A CN104679085A (en) | 2015-06-03 |
| CN104679085B true CN104679085B (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310631858.3A Active CN104679085B (en) | 2013-11-30 | 2013-11-30 | Power supply regulating device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111614412B (en) * | 2020-05-21 | 2022-04-15 | 上海华兴数字科技有限公司 | Radio frequency test method, device, electronic equipment and readable storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5682472A (en) * | 1995-03-17 | 1997-10-28 | Aehr Test Systems | Method and system for testing memory programming devices |
| CN101989814A (en) * | 2009-07-29 | 2011-03-23 | 台达电子工业股份有限公司 | Voltage-regulating circuit and parallel voltage-regulating circuit system using the same |
| CN103163930A (en) * | 2013-04-07 | 2013-06-19 | 北京机械设备研究所 | Voltage closed loop stable control circuit of cascading convertor |
| CN103326568A (en) * | 2012-03-19 | 2013-09-25 | 鸿富锦精密工业（深圳）有限公司 | Power control circuit and loop test device using same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202615309U (en) * | 2012-04-02 | 2012-12-19 | 鸿富锦精密工业（深圳）有限公司 | Power supply device |
-
2013
- 2013-11-30 CN CN201310631858.3A patent/CN104679085B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5682472A (en) * | 1995-03-17 | 1997-10-28 | Aehr Test Systems | Method and system for testing memory programming devices |
| CN101989814A (en) * | 2009-07-29 | 2011-03-23 | 台达电子工业股份有限公司 | Voltage-regulating circuit and parallel voltage-regulating circuit system using the same |
| CN103326568A (en) * | 2012-03-19 | 2013-09-25 | 鸿富锦精密工业（深圳）有限公司 | Power control circuit and loop test device using same |
| CN103163930A (en) * | 2013-04-07 | 2013-06-19 | 北京机械设备研究所 | Voltage closed loop stable control circuit of cascading convertor |
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| Publication number | Publication date |
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| CN104679085A (en) | 2015-06-03 |
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Effective date of registration: 20160325 Address after: 518109 Guangdong province Shenzhen city Longhua District Dragon Road No. 83 wing group building 11 floor Applicant after: SCIENBIZIP CONSULTING (SHEN ZHEN) CO., LTD. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Applicant before: Hongfujin Precise Industry (Shenzhen) Co., Ltd. Applicant before: Hon Hai Precision Industry Co., Ltd. |
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Inventor after: Shen Lei Inventor after: Wu Xiaoliang Inventor after: Zhang Guofeng Inventor before: Bai Yun Inventor before: Chen Peng Inventor before: Tong Songlin |
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Denomination of invention: Power supply regulating device Effective date of registration: 20200513 Granted publication date: 20170215 Pledgee: Anxin Agricultural Insurance Co., Ltd. Shanghai Fengxian Branch Company Pledgor: DLG ENERGY (SHANGHAI) Co.,Ltd. Registration number: Y2020310000020 |
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Date of cancellation: 20210702 Granted publication date: 20170215 Pledgee: Anxin Agricultural Insurance Co., Ltd. Shanghai Fengxian Branch Co. Pledgor: DLG ENERGY (SHANGHAI) Co.,Ltd. Registration number: Y2020310000020 |