CN110460033A - A kind of the maintainability test DC power system and method for low ripple - Google Patents
A kind of the maintainability test DC power system and method for low ripple Download PDFInfo
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- CN110460033A CN110460033A CN201910781129.3A CN201910781129A CN110460033A CN 110460033 A CN110460033 A CN 110460033A CN 201910781129 A CN201910781129 A CN 201910781129A CN 110460033 A CN110460033 A CN 110460033A
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- battery
- output
- power supply
- voltage
- display screen
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/02—Arrangements for reducing harmonics or ripples
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of the maintainability test DC power system and method for low ripple, including at least one, display screen, battery, volometer mainboard, battery protecting plate, charging panel, charging interface, output interface, protection board reset switch, wherein, the display screen is used to show the voltage of output, current values, the battery is used for as output power supply, the volometer mainboard is for measuring output voltage, electric current, the battery protecting plate is used to limit the maximum output current of battery, the charging panel is used to charge for battery, the charging interface is for connecting power supply unit as charging panel power supply, the output interface is used for external test connecting line.Technical problem to be solved by the invention is to provide a kind of lower cost, convenient, portable and low ripple test and maintenance DC power system and methods.
Description
Technical field
A kind of the maintainability test DC power system and method for low ripple.
Background technique
In the maintainability test of electronic product, dedicated for maintainability test DC power supply play it is indispensable important
Status.Measurement equipment is powered using dedicated for the DC power supply of maintainability test, completely detailed can be observed
The electricity consumption situation of entire measurement equipment, maintainability test personnel can be according to shown above dedicated for the DC power supply of maintainability test
Numerical value combination experience determines the case where measurement equipment.Conventional or maintainability test DC power supply on the market be all using
AC-DC converter by the AC conversion of power grid at after direct current using after the series of steps such as rectification, pressure stabilizing, pressure regulation by
The output port output of maintainability test DC power supply is used for maintainability test.Its weight large volume is big, at high cost.Due to relying on
In the use of household AC plug, mobility, convenience is all undesirable.And in AC-DC, rectification, pressure stabilizing, one system of pressure regulation
It inevitably generates tiny ripple during column, this ripple is repairing or testing some pairs of higher electricity of power requirement
Very likely electronic equipment is caused to be restarted when sub- equipment, malfunctioned, or even damage, caused the erroneous judgement repaired or tested, seriously affect
The cost and efficiency of maintenance or test.In view of the above problems, seeking a kind of lower cost, convenient, portable and low ripple dimension
Test DC power system and method are repaired, to reduce the cost of maintenance or test, and improves the efficiency of maintenance or test.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of lower costs, convenient, portable and low ripple test
Maintenance DC power system and method.
The technical scheme to solve the above technical problems is that
A kind of the maintainability test DC power system and method for low ripple, including at least one, display screen, battery, voltage electricity
Flow table mainboard, battery protecting plate, charging panel, charging interface, output interface, protection board reset switch, wherein the display screen
For showing that voltage, current values, the battery of output are used to power for output, the volometer mainboard is used for
Output voltage, electric current are measured, the battery protecting plate is used to limit the maximum output current of battery, and the charging panel is used for
For battery charging, the charging interface is for connecting power supply unit as charging panel power supply, and the output interface is for external
Test connecting line.
The display screen, battery, volometer mainboard, battery protecting plate, charging panel, charging interface, output interface,
Protection board reset switch is electrically connected by conducting wire between each other.
The display screen is TFT colorful display screen, can show numerical value, curve, image.
The display screen shows the real-time numerical value of voltage, electric current at work, and aobvious according to the variation of voltage, electric current
Show voltage, the change curve of electric current keeps test result more intuitive.
The volometer mainboard is measured the output voltage of battery, electric current and is passed measurement result using electric signal
Up to display screen, wherein measurement result includes voltage, electric current, temperature, power, internal resistance, capacity, output electricity, time.
A kind of the maintainability test DC power system and method for low ripple, it is characterised in that battery is used to use as test
Main power supply, and battery be arranged battery protecting plate, limit its maximum output current, and bypass using protection board reset switch
Switch of the battery protecting plate as high current powering mode.
The maintainability test DC power system and method for a kind of low ripple, it is characterised in that when output electric current is big
When the maximum current of battery protecting plate setting, voltage, the electric current output of battery are reduced, after pressing protection board reset switch
Just restore normal voltage, electric current output.
A kind of the maintainability test DC power system and method for low ripple, it is characterised in that supplied using charging interface connection
Electric equipment is powered charging panel, and charging panel determines whether to charge the battery according to the current state of battery, wherein fills
Independent power supply is volometer main board power supply all the way for battery plate output.
The maintainability test DC power system and method for a kind of low ripple, it is characterised in that charging panel output one
The independent direct current in road is volometer mainboard, display screen power supply.
A kind of the maintainability test DC power system and method for low ripple, it is characterised in that shown using colorful display screen
The measurement result of volometer mainboard, and according to the result of volometer mainboard generation voltage, the change curve of electric current, it shows
It is shown on interface.
The beneficial effects of the present invention are: eliminating routine maintenance test DC power supply using battery powered design
The hardware links such as AC-DC conversion, rectification, pressure stabilizing, pressure regulation, save great amount of cost.Wherein due to being converted without AC-DC, use
Battery is directly powered, and output ripple almost can be ignored, for repairing or testing some pairs of high electronics of power requirement
When equipment, not will cause ripple interference cause to maintenance or test erroneous judgement.And accumulation of static electricity will not be generated, for maintenance or
It is safer for the electronic equipment of test.Due to using battery power-supply service, so the case where it can be detached from power grid jack
Under work on, convenient, portability is improved.
One side according to the present invention, a kind of the maintainability test DC power system and method for low ripple, it is characterised in that
Use battery as the main power supply of test, and battery protecting plate is set in battery, limits its maximum output current, and use
Protection board reset switch bypasses switch of the battery protecting plate as high current powering mode.It prevents from repairing in battery setting protection board
Or tester's fault by the positive and negative electrode of tested electronic equipment it is reversed caused by tested electronic equipment damage.And it is arranged independent
Voltage amplitude switch carry out reset confirmation, keep system safer.In the electronics for repairing or testing the failures such as short circuit thermal
When equipment, can be used reset switch switching unprotect high current powering mode carry out heat generating spot, short dot heat test it is fast
Speed determines that heat generating spot, short dot improve maintenance or testing efficiency.
One side according to the present invention, a kind of the maintainability test DC power system and method for low ripple, it is characterised in that
Charging panel is powered using charging interface connection power supply unit, charging panel determines whether according to the current state of battery to electricity
It charges in pond, wherein independent power supply is volometer main board power supply all the way for charging panel output.Use what is be seen everywhere
USB interface as charging interface, substantially increase this system can suitability, battery core is filled using individual charging panel
Electricity, the interference that the ripple for preventing charging circuit from generating exports system.And for volometer carry out it is independently-powered, prevent because
Voltage and current Watch Error caused by power supply is unstable, improves the precision of system.
One side according to the present invention, a kind of the maintainability test DC power system and method for low ripple, it is characterised in that
The measurement result of volometer mainboard is shown using colorful display screen, and electricity is generated according to the result of volometer mainboard
The change curve of pressure, electric current, is shown on interface.Measurement result is shown using the preferable colorful display screen of display effect, is shown
Show that result is clear, detailed, intuitive.Further, curve is drawn for the variation of voltage and current, keeps maintenance or tester more intuitive
Electricity consumption, the power consumption condition for observing measurement equipment, keep the judgement repaired or tested more accurate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for showing schematically the preferred embodiment of the present invention；
Parts list represented by the reference numerals are as follows in attached drawing:
(1) display screen, (2) battery, (3) volometer mainboard, (4) battery protecting plate, (5) charging panel, (6) charging interface,
(7) output interface, (8) protection board reset switch, the maintainability test DC power supply of (10) low ripple, (11) tested electronics are set
Standby, (12) power supply unit.
Specific implementation method
The principle and features of the present invention will be described below with reference to the accompanying drawings, and example for explaining only the invention, is not used
In limiting the scope of the invention.
Cardinal principle part, as shown in Figures 1 and 2, the power supply of battery 2 pass through after the protection current limliting of battery protecting plate 4
Output interface 7 is connected to after the detection of overvoltage ammeter mainboard 3.Entire power supply process does not have extra conversion, switching equipment,
Due to the output characteristics of battery, entire output ripple noise is extremely low.Charging panel 5 is that volometer mainboard 3 exports list all the way
Solely power supply provides electric power for the work of volometer mainboard 3, and maintenance or tester can select corresponding according to the actual situation
Joint categories is connected to output interface 7, after connecting tested electronic equipment 11, starts tested electronic equipment 11, tested electronic equipment
Obtaining electric current from output interface 7 causes voltage and current to fluctuate, and volometer mainboard 3 detects the variation of voltage and current and will be electric
The variation of current voltage generates numerical value and curve and display screen 1 is driven to show corresponding numerical value and curve.
Charging principle part, as shown in Figures 1 and 2, the maintainability test DC power supply 10 of low ripple pass through charging interface
6 are connected to power supply unit 12.When 2 electric quantity consumption of battery is to after being lower than preset value, charging panel 5 detects cell voltage lower than default
Value starts to export electric current as the charging of battery 2, electric current output is terminated after 2 voltage of battery is higher than preset value and stops charging.
Protection philosophy part, as shown in Figure 1, the output of battery 2 just reaches output interface 7 after battery protecting plate 4, when
When tested electronic equipment 11 accesses, electric current is higher than preset value, the output of 4 cut-off current of battery protecting plate, until protection sheet reset is opened
It presses connection activation loop battery protecting plate 4 and just restores on state in pass 8.When certain tested electronic equipments 11 since component is short
When road is broken down, high current can be used and heat test to be rapidly performed by localization of fault, short-circuit tested electricity
Battery protecting plate 4 can enter current cut-off state when sub- equipment 11 accesses, and at this moment, press protection board reset switch 8 around battery
The cut-off of protection board 4 is protected, and the direct powering mode of battery 2 can be entered, and the large current characteristic that battery 2 is powered can make fault point fast
Speed fever, reaches localization of fault purpose with this.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, modification, equivalent replacement, improvement for being made etc. be should all be included in the protection scope of the present invention.
Claims (10)
1. the maintainability test DC power system and method for a kind of low ripple, including at least one, display screen, battery, voltage
Ammeter mainboard, battery protecting plate, charging panel, charging interface, output interface, protection board reset switch, wherein the display
Screen for showing that voltage, current values, the battery of output are used to be output power supply, use by the volometer mainboard
In measurement output voltage, electric current, the battery protecting plate is used to limit the maximum output current of battery, and the charging panel is used
It charges in for battery, the charging interface is for connecting power supply unit as charging panel power supply, and the output interface is for outer
Connect test connecting line.
2. display screen according to claim 1, battery, volometer mainboard, battery protecting plate, charging panel, charging
Mouth, output interface, protection board reset switch are electrically connected by conducting wire between each other.
3. according to claim 1, display screen described in 2 is TFT colorful display screen, can show numerical value, curve, image.
4. according to claim 1, display screen described in 2,3 shows the real-time numerical value of voltage, electric current at work, and according to electricity
The variation of pressure, electric current shows voltage, the change curve of electric current keeps test result more intuitive.
5. according to claim 1, volometer mainboard described in 2, the output voltage of battery, electric current and by measurement result are measured
It is communicated to display screen using electric signal, wherein measurement result includes voltage, electric current, temperature, power, internal resistance, capacity, output electricity
Amount, time.
6. the maintainability test DC power system and method for a kind of low ripple, it is characterised in that use battery as test
Main power supply, and battery protecting plate is set in battery, its maximum output current is limited, and using protection board reset switch around electricity
Switch of the pond protection board as high current powering mode.
7. the maintainability test DC power system and method for a kind of low ripple according to claim 6, it is characterised in that
When exporting maximum current of the electric current greater than battery protecting plate setting, voltage, the electric current output of battery are reduced, until pressing protection
Just restore normal voltage, electric current output after sheet reset switch.
8. the maintainability test DC power system and method for a kind of low ripple, it is characterised in that use charging interface connection power supply
Equipment is powered charging panel, and charging panel determines whether to charge the battery according to the current state of battery, wherein charging
Independent power supply is volometer main board power supply all the way for plate output.
9. the maintainability test DC power system and method for a kind of low ripple according to claim 8, it is characterised in that
Independent direct current is volometer mainboard, display screen power supply all the way for charging panel output.
10. the maintainability test DC power system and method for a kind of low ripple, it is characterised in that shown using colorful display screen
The measurement result of volometer mainboard, and according to the result of volometer mainboard generation voltage, the change curve of electric current, it shows
It is shown on interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910781129.3A CN110460033A (en) | 2019-08-23 | 2019-08-23 | A kind of the maintainability test DC power system and method for low ripple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910781129.3A CN110460033A (en) | 2019-08-23 | 2019-08-23 | A kind of the maintainability test DC power system and method for low ripple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110460033A true CN110460033A (en) | 2019-11-15 |
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ID=68488743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910781129.3A Pending CN110460033A (en) | 2019-08-23 | 2019-08-23 | A kind of the maintainability test DC power system and method for low ripple |
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| CN (1) | CN110460033A (en) |
Citations (8)
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| CN104022562A (en) * | 2014-06-19 | 2014-09-03 | 国网上海市电力公司 | Portable solar movable overhauling power system |
| CN104167783A (en) * | 2014-08-06 | 2014-11-26 | 西安石油大学 | Direct-current power source low ripple wave implementation method and circuits with batteries supplying power continuously |
| CN204145015U (en) * | 2014-10-16 | 2015-02-04 | 国家电网公司 | Electrical test special mobile power supply |
| CN204156597U (en) * | 2014-11-20 | 2015-02-11 | 国家电网公司 | Portable grid maintenance power supply |
| CN106291341A (en) * | 2015-06-09 | 2017-01-04 | 国网辽宁省电力有限公司营口供电公司 | Miniature relay protection brake switch tester |
| CN107612073A (en) * | 2017-09-26 | 2018-01-19 | 珠海银隆电器有限公司 | A kind of battery charge-discharge circuit, electrokinetic cell system and power battery box |
| CN207426746U (en) * | 2017-10-27 | 2018-05-29 | 国网山西省电力公司运城供电公司 | A kind of transmission line of electricity multifunctional high-power mobile electrical power box |
| CN110086216A (en) * | 2019-02-17 | 2019-08-02 | 朱泽胜 | Portable multi-function repairs power supply |
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2019
- 2019-08-23 CN CN201910781129.3A patent/CN110460033A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022562A (en) * | 2014-06-19 | 2014-09-03 | 国网上海市电力公司 | Portable solar movable overhauling power system |
| CN104167783A (en) * | 2014-08-06 | 2014-11-26 | 西安石油大学 | Direct-current power source low ripple wave implementation method and circuits with batteries supplying power continuously |
| CN204145015U (en) * | 2014-10-16 | 2015-02-04 | 国家电网公司 | Electrical test special mobile power supply |
| CN204156597U (en) * | 2014-11-20 | 2015-02-11 | 国家电网公司 | Portable grid maintenance power supply |
| CN106291341A (en) * | 2015-06-09 | 2017-01-04 | 国网辽宁省电力有限公司营口供电公司 | Miniature relay protection brake switch tester |
| CN107612073A (en) * | 2017-09-26 | 2018-01-19 | 珠海银隆电器有限公司 | A kind of battery charge-discharge circuit, electrokinetic cell system and power battery box |
| CN207426746U (en) * | 2017-10-27 | 2018-05-29 | 国网山西省电力公司运城供电公司 | A kind of transmission line of electricity multifunctional high-power mobile electrical power box |
| CN110086216A (en) * | 2019-02-17 | 2019-08-02 | 朱泽胜 | Portable multi-function repairs power supply |
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Application publication date: 20191115 |
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| WD01 | Invention patent application deemed withdrawn after publication |