CN106483474A - A kind of device that portable power source electricity indicator lamp is tested with battery testing cabinet - Google Patents
A kind of device that portable power source electricity indicator lamp is tested with battery testing cabinet Download PDFInfo
- Publication number
- CN106483474A CN106483474A CN201611183473.5A CN201611183473A CN106483474A CN 106483474 A CN106483474 A CN 106483474A CN 201611183473 A CN201611183473 A CN 201611183473A CN 106483474 A CN106483474 A CN 106483474A
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- test
- battery
- power source
- indicator lamp
- portable power
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- 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
- G01R31/44—Testing lamps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Abstract
The present invention proposes a kind of device that portable power source electricity indicator lamp is tested with battery testing cabinet, including including the first test arm circuit, the second test arm circuit, photoelectrical coupler and test battery including some test cell test cells in battery testing cabinet and hot-wire array, hot-wire array；Two electrodes of test battery are connected to and are connected to forming the first test arm circuit and the second test arm circuit of test loop with battery testing cabinet, photoelectrical coupler is series in the first test arm circuit, and the anode of photoelectrical coupler, negative electrode are parallel at instruction lamp anode, negative electrode；When portable power source discharges or charges, the change of indicator lamp supply voltage makes photoelectrical coupler resistance value change, and causes the voltage pulsation in the first test arm circuit, the second test arm circuit, and this voltage pulsation situation is the light and shade situation of change of indicator lamp；The present invention can become lamp function to portable power source indicator lamp in the way of Phototube Coupling and test, and Portable safety, compatibility are good.
Description
Technical field
The present invention relates to portable power source field, especially one kind are carried out to portable power source electricity indicator lamp with battery testing cabinet
The device of test.
Background technology
Portable power source is the carry-on power supply unit being popular at present, generally with multiple miniature indicator lamps on portable power source
To indicate real time electrical quantity, when charging, these indicator lamps can also carry out light and shade flicker, in the past these indicator lamps be become between the lamp time
Every test generally by manually check or playing back videos in the way of, not only expend man-hour, and time registration accuracy is poor, how to solve
Determine this problem, be a research direction.
Portable power source uses rechargeable battery, and generally there is large-scale battery testing cabinet in the producer for producing rechargeable battery,
There is more test in voltage, electric current in the charge and discharge process of recordable rechargeable battery, time change, and battery testing cabinet
Interface is connecting the plurality of LEDs battery capacity indication lamp on portable power source, so if reasonable circuit switch can be passed through, battery testing
Cabinet is used for testing the indicator lamp of portable power source, it will help lifting detection efficiency and accuracy.
Content of the invention
The present invention proposes a kind of device that portable power source electricity indicator lamp is tested with battery testing cabinet, can be with photoelectricity
The mode of isolation becomes lamp function to portable power source indicator lamp and tests, and Portable safety, compatibility are good.
The present invention is employed the following technical solutions.
A kind of device that portable power source electricity indicator lamp is tested with battery testing cabinet, can use battery testing cabinet pair
The change lamp time interval of portable power source electricity indicator lamp is detected that testing goal is that detection four LED lamp of portable power source flickers
The fourth gear of the common four electricity LED order corresponding 25% to 100% of the accuracy of capacity corresponding to the time, such as portable power source is uniform
Incremental electricity, described device include battery testing cabinet and hot-wire array, include some test cells, test in the hot-wire array
Element number is more than or equal to the battery capacity indication lamp quantity of tested portable power source；The test cell that each participates in test is only right
One indicator lamp is tested, the test cell include the first test arm circuit, the second test arm circuit, photoelectrical coupler and
Test battery；Two electrodes of the test battery are electrically connected with and are connected to forming the of test loop with battery testing cabinet
One test arm circuit and the second test arm circuit, battery testing cabinet are recorded to the magnitude of voltage in test loop.
The colelctor electrode of the photoelectrical coupler, emitter stage are series in the first test arm circuit, the anode of photoelectrical coupler,
Negative electrode is sequentially parallel to tested indicator lamp anode supply end, at negative electrode feeder ear；When portable power source discharges or charges, electricity
Amount instruction lamp produces light and shade flicker because of indicator lamp feeder ear voltage change, and indicator lamp feeder ear voltage change makes parallel connection therewith
Photoelectrical coupler resistance value changes, and causes the voltage pulsation in the first test arm circuit, the second test arm circuit, and battery is surveyed
Examination cabinet recording voltage fluctuation situation, this voltage pulsation situation reflect the bright of portable power source electricity indicator lamp in the same time period
Dark situation of change.
The photoelectrical coupler is linear optical coupling.
The linear optical coupling is the photoelectric isolating device of pc817 model.
The test battery is lithium battery.
The test battery is compatible test cabinet using the low capacity lithium battery of 500mAh, 3.7V, test battery specifications
The battery specifications of voltage detecting function.
Protective resistance is serially connected with the test loop.
The anode of the photoelectrical coupler, negative electrode are parallel to tested indicator lamp anode supply end, negative electrode feeder ear
Isolation diode, the conducting of the conducting direction of the isolation diode and photoelectrical coupler anode cathode is serially connected with circuit
The sense of current is identical.
In the present invention, described device includes battery testing cabinet and hot-wire array, includes some tests in the hot-wire array
Unit, test cell quantity is more than or equal to the battery capacity indication lamp quantity of tested portable power source；Each participates in the survey of test
Examination unit is only tested to an indicator lamp, and the test cell includes the first test arm circuit, the second test arm circuit, light
Electric coupler and test battery；Two electrodes of the test battery have been electrically connected with and have connected to forming survey with battery testing cabinet
The first test arm circuit in examination loop and the second test arm circuit, battery testing cabinet are remembered to the magnitude of voltage in test loop
Record；In the design, due to more battery testing end on battery testing cabinet, therefore being divided using multiple independent test cells
Other each indicator lamp is tested so that this device can be tested for the portable power source for possessing more indicator lamp, also can
Multiple portable power sources are accessed on a battery testing cabinet to be tested.
In the present invention, the colelctor electrode of the photoelectrical coupler, emitter stage are series in the first test arm circuit, photoelectric coupling
The anode of device, negative electrode be sequentially parallel to tested indicator lamp anode supply end, at negative electrode feeder ear；When portable power source discharge or
During charging, battery capacity indication lamp produces light and shade flicker because of indicator lamp feeder ear voltage change, and indicator lamp feeder ear voltage change makes
Photoelectrical coupler resistance value in parallel changes therewith, causes the voltage in the first test arm circuit, the second test arm circuit
Fluctuation, battery testing cabinet recording voltage fluctuation situation, this voltage pulsation situation reflect portable power source electricity in the same time period
The light and shade situation of change of amount instruction lamp, the photoelectrical coupler are linear optical coupling, and the linear optical coupling is the photoelectricity of pc817 model
Isolating device；The design employs the mode of Phototube Coupling between test cell and portable power source, and test cell is defeated with no-voltage
The terminal for going out is connected with the indicator light circuit of portable power source, and employs the linear optical coupling for being easy to drive so that test cell
Interference will not be formed to the indicator light circuit of portable power source, and portable power source does not interfere with the normal work of battery testing cabinet yet
Make, battery testing cabinet only the test battery terminal voltage change curve of test loop and time record test cabinet data-storing
In unit, to be analyzed to test data and judge after the completion of test, test accuracy is improved.
In the present invention, the photoelectrical coupler is linear optical coupling；Linear optical coupling is precision photoelectric coupler, linear light thermocouple
Clutch is a kind of new photoelectric isolating device, and linear optical coupling internal emitters can be produced with the strong and weak change of input electrical signal
Corresponding optical signal, so that the conducting degree of linear optical coupling is also different, this causes this device test portable power source to refer to
Show the change lamp function of lamp, the ability for also possessing the electrical stability of test portable power source indicator lamp feeder ear, work as portable power source
When the power supply of indicator lamp feeder ear produces irregular variation, battery testing cabinet equally can be recorded this abnormal conditions.
In the present invention, the anode of the photoelectrical coupler, negative electrode are parallel to tested indicator lamp anode supply end, negative electrode
Isolation diode is serially connected with the circuit of feeder ear, and the conducting direction of the isolation diode is cloudy with photoelectrical coupler anode
The conducting electric current direction of pole is identical；The design portable power source indicator light circuit and hot-wire array can be carried out isolating and clamper is made
With to reduce impact of the hot-wire array to portable power source indicator light circuit.
In the present invention, the test battery is lithium battery, and the test battery is using the low capacity lithium electricity of 500mAh, 3.7V
Pond, tests the battery specifications that battery specifications are compatible test cabinet voltage detecting function；The design causes this equipment miniaturization just
In arrangement, as lithium battery working condition is that floating voltage state is processed, in hot-wire array, simply play supply test cabinet inspection
Survey voltage signal to use, so once charge can be with for a long time.
Description of the drawings
The present invention is described in more detail with reference to the accompanying drawings and detailed description：
Accompanying drawing 1 is the circuit diagram of the test cell of the present invention；
Accompanying drawing 2 is the schematic diagram when present invention is tested；
In figure：The anode of 1- photoelectrical coupler；The negative electrode of 2 photoelectrical couplers；The colelctor electrode of 3- photoelectrical coupler；4- photoelectric coupling
The emitter stage of device；The battery capacity indication lamp of 21- portable power source；22- battery testing cabinet；23- the second test arm circuit；24- first is surveyed
Examination arm circuit；25- portable power source；26- indicator lamp anode supply end；27- indicates lamp cathode feeder ear.
Specific embodiment
As shown in Figure 1, 2, a kind of device that portable power source electricity indicator lamp is tested with battery testing cabinet, can use
Battery testing cabinet 22 detects that to the change lamp time interval of 25 battery capacity indication lamp 21 of portable power source testing goal is detection movement
Four LED lamp of power supply flickers the accuracy of capacity corresponding to the time, and the such as common four electricity LED order of portable power source is corresponding
25% to 100% fourth gear uniform increments electricity, described device includes battery testing cabinet 22 and hot-wire array, in the hot-wire array
Including some test cells, test cell quantity is more than or equal to 21 quantity of battery capacity indication lamp of tested portable power source 25；
Each test cell for participating in test is only tested to an indicator lamp, as shown in figure 1, the test cell includes the first survey
Examination arm circuit 24, the second test arm circuit 23, photoelectrical coupler U1 and test battery BT1；Two electricity of the test battery BT1
Pole is electrically connected with and is connected to forming the first test arm circuit 24 and the second test arm electricity of test loop with battery testing cabinet
Road 23, battery testing cabinet are recorded to the magnitude of voltage in test loop.
As shown in figure 1, the colelctor electrode 3 of the photoelectrical coupler U1, emitter stage 4 are series in the first test arm circuit 24,
The anode 1 of photoelectrical coupler, negative electrode 2 are sequentially parallel at tested indicator lamp anode supply end 26, negative electrode feeder ear 27；When
When portable power source electric discharge or charging, battery capacity indication lamp 21 produces light and shade flicker, indicator lamp because of indicator lamp feeder ear voltage change
Feeder ear voltage change makes photoelectrical coupler resistance value in parallel therewith change, and causes the first test arm circuit 24, second
Voltage pulsation in test arm circuit 23,22 recording voltage of battery testing cabinet fluctuation situation, this voltage pulsation situation are reflected
The light and shade situation of change of portable power source electricity indicator lamp in the same time period.
The photoelectrical coupler is linear optical coupling.
The linear optical coupling is the photoelectric isolating device of pc817 model.
As shown in figure 1, the test battery BT1 is lithium battery.
The test battery is compatible test cabinet using the low capacity lithium battery of 500mAh, 3.7V, test battery specifications
The battery specifications of voltage detecting function.
As shown in figure 1, being serially connected with protective resistance R1 in the test loop.
As shown in figure 1, the anode of the photoelectrical coupler, negative electrode are parallel to tested indicator lamp anode supply end, the moon
Isolation diode D1, the conducting direction of the isolation diode D1 and photoelectrical coupler is serially connected with the circuit of pole feeder ear
The conducting electric current direction of anode cathode is identical.
Embodiment：
As shown in Fig. 2 on portable power source to be tested, have four battery capacity indication lamps LED1, LED2, LED3 and LED4, when mobile electricity
When source is charged, four indicator lamps rise situation according to the electricity of portable power source and light；Four 3.7V are connected with battery testing cabinet 22
Lithium battery BT1, BT2, BT3, BT4, four lithium batteries are referred to by four photoelectrical couplers U1, U2, U3, U4 and electricity again respectively
Show that lamp LED1, LED2, LED3 are connected with LED4, four in the hot-wire array tested by portable power source indicator lamp are formed with this
Individual test cell.
Portable power source indicator lamp LED1, LED2, LED3 and LED4 are in flicker because of its energization pins supply voltage change
Or the bright state of length, and the voltage on the anode of photoelectrical coupler, negative electrode changes with energization pins supply voltage and changes so that light
Illuminating part in electric coupler produces different light, causes the resistance variations for being series at photoelectrical coupler in the first test arm, because
The voltage of test battery is basically unchanged, so the voltage in test loop produces change with the resistance variations, this curent change
Situation is synchronous with the light and shade change of LED1, LED2, LED3 and LED4, such as when portable power source indicator lamp LED1 is lighted, photoelectricity
Coupler U1 is turned on, then the voltage in test loop rises to maximum, and when under LED1 is dark, photoelectrical coupler U2 ends, then
Voltage in test loop is reduced to minimum, when LED1 length is bright, photoelectrical coupler U1 constant conduction, then and the voltage in test loop
Maximum is remained, therefore can directly think that this voltage change situation is the change of portable power source indicator lamp, battery testing cabinet
Record this voltage change situation and be converted into oscillogram form and tester is supplied to, tester is single according to four tests
The voltage change of unit, it is possible to intuitively know bright light of four indicator lamps of portable power source in whole charging, discharge process
Time and time difference situation of change.
Claims (7)
1. a kind of device that portable power source electricity indicator lamp is tested with battery testing cabinet, can use battery testing cabinet to moving
The change lamp time interval of dynamic electric quantity of power supply indicator lamp is detected, when testing goal is that detection four LED lamp of portable power source flickers
Between corresponding capacity accuracy, the fourth gear of the such as common four electricity LED order corresponding 25% to 100% of portable power source uniformly passs
Increase electricity, it is characterised in that：Described device includes battery testing cabinet and hot-wire array, includes some tests in the hot-wire array
Unit, test cell quantity is more than or equal to the battery capacity indication lamp quantity of tested portable power source；Each participates in the survey of test
Examination unit is only tested to an indicator lamp, and the test cell includes the first test arm circuit, the second test arm circuit, light
Electric coupler and test battery；Two electrodes of the test battery have been electrically connected with and have connected to forming survey with battery testing cabinet
The first test arm circuit in examination loop and the second test arm circuit, battery testing cabinet are remembered to the magnitude of voltage in test loop
Record；
The colelctor electrode of the photoelectrical coupler, emitter stage are series in the first test arm circuit, the anode of photoelectrical coupler, negative electrode
Sequentially be parallel to tested indicator lamp anode supply end, at negative electrode feeder ear；When portable power source discharges or charges, electricity refers to
Show that lamp produces light and shade flicker because of indicator lamp feeder ear voltage change, indicator lamp feeder ear voltage change makes photoelectricity in parallel therewith
Coupler resistance value changes, and causes the voltage pulsation in the first test arm circuit, the second test arm circuit, battery testing cabinet
Recording voltage fluctuation situation, this voltage pulsation situation reflect the light and shade of portable power source electricity indicator lamp in the same time period and become
Change situation.
2. a kind of device that portable power source electricity indicator lamp is tested with battery testing cabinet according to claim 1,
It is characterized in that：The photoelectrical coupler is linear optical coupling.
3. a kind of device that portable power source electricity indicator lamp is tested with battery testing cabinet according to claim 2,
It is characterized in that：The linear optical coupling is the photoelectric isolating device of pc817 model.
4. a kind of device that portable power source electricity indicator lamp is tested with battery testing cabinet according to claim 1,
It is characterized in that：The test battery is lithium battery.
5. a kind of device that portable power source electricity indicator lamp is tested with battery testing cabinet according to claim 4,
It is characterized in that：The test battery is compatible test using the low capacity lithium battery of 500mAh, 3.7V, test battery specifications
The battery specifications of cabinet voltage detecting function.
6. a kind of device that portable power source electricity indicator lamp is tested with battery testing cabinet according to claim 1,
It is characterized in that：Protective resistance is serially connected with the test loop.
7. a kind of device that portable power source electricity indicator lamp is tested with battery testing cabinet according to claim 1,
It is characterized in that：The anode of the photoelectrical coupler, negative electrode are parallel to tested indicator lamp anode supply end, negative electrode feeder ear
Circuit in be serially connected with isolation diode, the conducting direction of the isolation diode is led with photoelectrical coupler anode cathode
Galvanization direction is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183473.5A CN106483474B (en) | 2016-12-20 | 2016-12-20 | Device for testing electric quantity indicator lamp of mobile power supply by using battery test cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183473.5A CN106483474B (en) | 2016-12-20 | 2016-12-20 | Device for testing electric quantity indicator lamp of mobile power supply by using battery test cabinet |
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| Publication Number | Publication Date |
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| CN106483474A true CN106483474A (en) | 2017-03-08 |
| CN106483474B CN106483474B (en) | 2023-07-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113064043A (en) * | 2021-03-26 | 2021-07-02 | 深圳群芯微电子有限责任公司 | Optical coupler testing method and system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2724014Y (en) * | 2004-08-27 | 2005-09-07 | 公安部交通管理科学研究所 | Signal lamp driving test circuit |
| CN200993991Y (en) * | 2006-12-13 | 2007-12-19 | 张宏伟 | Mining explosion-proof battery charge-state indicator |
| CN202522688U (en) * | 2012-05-02 | 2012-11-07 | 深圳市连硕设备技术有限公司 | LED (Light Emitting Diode) lamp lighting test and recognition device |
| US20130127362A1 (en) * | 2011-12-12 | 2013-05-23 | John J. Trainor | Emergency lighting systems and methods for solid state lighting apparatus |
| CN205049720U (en) * | 2015-09-30 | 2016-02-24 | 大连合为船用电气有限公司 | General type detection circuitry of alternating current -direct current lamps and lanterns |
-
2016
- 2016-12-20 CN CN201611183473.5A patent/CN106483474B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2724014Y (en) * | 2004-08-27 | 2005-09-07 | 公安部交通管理科学研究所 | Signal lamp driving test circuit |
| CN200993991Y (en) * | 2006-12-13 | 2007-12-19 | 张宏伟 | Mining explosion-proof battery charge-state indicator |
| US20130127362A1 (en) * | 2011-12-12 | 2013-05-23 | John J. Trainor | Emergency lighting systems and methods for solid state lighting apparatus |
| CN202522688U (en) * | 2012-05-02 | 2012-11-07 | 深圳市连硕设备技术有限公司 | LED (Light Emitting Diode) lamp lighting test and recognition device |
| CN205049720U (en) * | 2015-09-30 | 2016-02-24 | 大连合为船用电气有限公司 | General type detection circuitry of alternating current -direct current lamps and lanterns |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113064043A (en) * | 2021-03-26 | 2021-07-02 | 深圳群芯微电子有限责任公司 | Optical coupler testing method and system |
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| CN106483474B (en) | 2023-07-07 |
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Effective date of registration: 20180711 Address after: 363601 Nanjing High-tech Industrial Park, Nanjing, Zhangzhou, Fujian Applicant after: ZHANGZHOU WANBAO ENERGY TECHNOLOGY Co.,Ltd. Address before: 363601 Nanjing County, Zhangzhou City, Fujian Province, the superior industrial park Applicant before: YOUKE ENERGY (ZHANGZHOU) CO.,LTD. |
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Address after: 363601 Nanjing High-tech Industrial Park, Nanjing, Zhangzhou, Fujian Applicant after: Zhangzhou Wanbao Energy Technology Co.,Ltd. Address before: 363601 Nanjing High-tech Industrial Park, Nanjing, Zhangzhou, Fujian Applicant before: ZHANGZHOU WANBAO ENERGY TECHNOLOGY Co.,Ltd. |
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