CN109031004A - A kind of USB charging line detector - Google Patents
A kind of USB charging line detector Download PDFInfo
- Publication number
- CN109031004A CN109031004A CN201811020827.3A CN201811020827A CN109031004A CN 109031004 A CN109031004 A CN 109031004A CN 201811020827 A CN201811020827 A CN 201811020827A CN 109031004 A CN109031004 A CN 109031004A
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- wire rod
- power supply
- tested wire
- electrically connected
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- 238000001514 detection method Methods 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims description 21
- 230000005611 electricity Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 238000004458 analytical method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of USB charging line detectors, including power supply module and charging detecting model, power supply module can be electrically connected with one end of tested wire rod, charging detecting model can be electrically connected with the other end of tested wire rod, and power supply module, the power supply line of tested wire rod, the ground wire of tested wire rod, charging detecting model constitutes measure loop to detect the quality of tested wire rod, the detection device of a current charging detecting model and power supply detection module, power supply module, the power supply line of tested wire rod, charging detecting model, the ground wire of tested wire rod connects and composes charging measure loop, utilize the voltage difference of the first load of the voltage and charging detecting model of power supply module power supply, can analysis detection go out USB charging cable technique it is whether qualified and whether whole route breaking, effectively prevent the abnormal event of equipment work Hinder phenomenon, ensured the production quality of USB charging cable, reduces after cost.
Description
Technical field
The present invention relates to data line field, especially a kind of detection device applied to USB charging cable.
Background technique
USB charging cable is the key lines that existing mobile terminal or other computer peripherals are connect with computer equipment
Road.There are two types of general USB charging cables, and one is the charging cable for being able to carry out data transmission, the positive and negative data lines of this data line
All it is conducting, can charges also and can be carried out data transmission；A kind of charging cable for being primarily used for charging to terminal device,
The positive and negative data line of this charging cable is shorted, and can enable terminal device to one, terminal device feedback when grafting in port
Charging.The intact USB charging cable of one quality is very important, but irregular due to production technology, and especially one
A little long USB charging cables, the part of in-between line segment connector will appear open circuit or other techniques are underproof existing
As causing USB charging cable to cannot proceed normally use.
Summary of the invention
In order to solve the above technical problems, the object of the present invention is to provide a kind of USB charging line detectors.
The technical solution adopted by the present invention is that:
A kind of USB charges line detector, including power supply module and charging detecting model, and the power supply module can be with
One end electrical connection of tested wire rod, the charging detecting model can be electrically connected with the other end of tested wire rod, and mould of powering
Block, the power supply line of tested wire rod, charging detecting model, tested wire rod ground wire to connect and compose charging measure loop tested to detect
The quality of the charging circuit of wire rod.
The charging detecting model includes the first load, first voltage table, and one end of first load is respectively with first
The power supply line electrical connection of positive, the tested wire rod of voltmeter, the other end of the first load respectively with the cathode of first voltage table, quilt
Survey line material is electrically connected to ground.
The charging detecting model further includes the first indicator light and the first current-limiting resistance, the anode of first indicator light
It is electrically connected with one end of the first current-limiting resistance, the cathode of the first indicator light and one end of the first load electrically connect, first limit
The other end of leakage resistance and the other end of the first load electrically connect.
Further include data port detection module, the data port detection module respectively with the negative data line of tested wire rod,
Whether the electrical connection of correction data line is shorted between the negative data line of tested wire rod and correction data line with detecting.
The data port detection module include the second indicator light and DC power supply, second indicator light anode and
The anode electrical connection of DC power supply, the cathode of the second indicator light are electrically connected with the negative data line of tested wire rod, the DC power supply
Cathode be electrically connected with the correction data line of tested wire rod.
The power supply module is provided with the first attachment base, and first attachment base can electrically be inserted with one end of tested wire rod
It connects, the first attachment base is provided with the first terminal being electrically connected with the positive output end of power supply module and the negative output with power supply module
The Second terminal of electrical connection is held, the first terminal can be electrically connected with the power supply line of the tested wire rod, the Second terminal
It can be electrically connected to ground with tested wire rod.
The charging detecting model is provided with the second attachment base, and second attachment base can be with the other end of tested wire rod
Electrical grafting is provided with the third terminal being electrically connected with one end of charging detecting model on the second attachment base, examines with data port
The forth terminal for surveying the output end electrical connection of module, the 5th terminal that is electrically connected with the input terminal of data port detection module and
The 6th terminal being electrically connected with the other end of charging detecting model, the third terminal are electrically connected with the power supply line of tested wire rod,
The forth terminal is electrically connected with the negative data line of tested wire rod, and the correction data line of the 5th terminal and tested wire rod is electrically connected
It connects, the 6th terminal is electrically connected to ground with tested wire rod.
It further include data transmission detection module, the data transmission detection module can be electrically connected with the other end of tested wire rod
It connects, and the negative data line of power supply module, the correction data line of tested wire rod, data transmission detection module, tested wire rod connects structure
The quality of the data transmission link of tested wire rod is detected at Data Detection circuit.
The data transmission detection module includes the second load and second voltage table, one end difference of second load
Be electrically connected with the negative data line of positive, the tested wire rod of second voltage table, second other end loaded respectively with second voltage table
Cathode, tested wire rod the electrical connection of correction data line.
Data transmission detection module further includes third indicator light and third current-limiting resistance, the third indicator light
Anode is electrically connected with one end of third current-limiting resistance, and the cathode of the third indicator light and one end of the second load electrically connect, institute
The other end of the other end and the second load of stating third current-limiting resistance electrically connects.
Beneficial effects of the present invention:
The detection device of current a charging detecting model and power supply module, power supply module, fill the power supply line for being tested wire rod
Electro-detection module, the ground wire for being tested wire rod connect and compose charging measure loop, and the voltage of power supply module power supply and charging is utilized to examine
Survey the voltage difference of the first load of module, can analysis detection go out USB charging cable technique whether qualification and whole route
It is whether breaking, the abnormal phenomenon of the failure of equipment work is effectively prevented, has ensured the production quality of USB charging cable, reduction is sold
Cost afterwards.
Detailed description of the invention
A specific embodiment of the invention is described further with reference to the accompanying drawing.
Fig. 1 is the schematic diagram of present invention detection one type wire rod；
Fig. 2 is the schematic diagram of present invention detection another type wire rod.
Specific embodiment
The line detector as shown in Figure 1, a kind of USB charges, including power supply module 1 and charging detecting model 2, mould of powering
Block 1 can be electrically connected with one end of tested wire rod, and charging detecting model 2 can be electrically connected with the other end of tested wire rod, and
Power supply module 1, the power supply line of tested wire rod, charging detecting model 2, tested wire rod ground wire connect and compose charging measure loop with
Detect the quality of the charging circuit of tested wire rod.Utilize the voltage of 1 power supply of power supply module and the first load of charging detecting model 2
21 voltage difference, can analysis detection go out USB charging cable technique it is whether qualified and whether whole route breaking, effectively keep away
The abnormal phenomenon of the failure of equipment work is exempted from, has ensured the production quality of USB charging cable, reduced after cost.
Charging detecting model 2 includes the first load 21, first voltage table 22, and one end of the first load 21 is electric with first respectively
The power supply line electrical connection of positive, the tested wire rod of table 22 is pressed, the other end of the first load 21 is negative with first voltage table 22 respectively
Pole is tested being electrically connected to ground for wire rod.First load 21 is programmable electronic load, can need to adjust resistance according to different
Size, can so obtain multiple groups experimental data, reduce experimental error.In addition to this it is possible to replace with conventional, electric-resistance
One load 21.
Charging detecting model 2 further includes the first indicator light 23 and the first current-limiting resistance 24, the anode of the first indicator light 23
It being electrically connected with one end of the first current-limiting resistance 24, the cathode of the first indicator light 23 and one end of the first load 21 electrically connect, and first
The other end of current-limiting resistance 24 and the other end of the first load 21 electrically connect.First indicator light 23 is light emitting diode.First limit
Leakage resistance 24 is to prevent electric current, voltage are excessive from burning out the first indicator light 23 for protecting the first indicator light 23.If power supply module
1, be tested the power supply line of wire rod, charging detecting model 2, tested wire rod ground wire to connect and compose charging measure loop be that access then refers to
Show that lamp is bright, it is on the contrary then do not work.In addition to this, the first indicator light 23 can also be replaced using LED lamp source, the first current-limiting resistance 24
It can also be replaced using general-purpose diode.
Further include data port detection module 3, data port detection module 3 respectively with the negative data line of tested wire rod, just
Whether data line electrical connection is shorted between the negative data line of tested wire rod and correction data line with detecting.The negative data line of tested wire rod
Being shorted between correction data line can enable terminal device to charge to one, terminal device feedback.
Data port detection module 3 include the second indicator light 31 and DC power supply 33, the second indicator light 31 anode and
The anode electrical connection of DC power supply 33, the cathode of the second indicator light 31 are electrically connected with the negative data line of tested wire rod, DC power supply
33 cathode is electrically connected with the correction data line of tested wire rod.If the negative data line of data port detection module 3 and tested wire rod,
The circuit that correction data line is formed is access, and the second indicator light 31 will be bright, then illustrates the negative data line and correction data line of survey line material
Between be shorted.Second indicator light 31 is Light-Emitting Diode.In addition to this, the second indicator light 31 can also use LED light source
To replace.
Data port detection module 3 further includes the second current-limiting resistance 32, one end of the second current-limiting resistance 32 and DC power supply
33 anode electrical connection, the other end of the second current-limiting resistance 32 are electrically connected with the anode of the second indicator light 31.Second current-limiting resistance
32 be to prevent electric current, voltage are excessive from burning out the second indicator light 31 for protecting the second indicator light 31.In addition to this, the second current limliting
Resistance 32 can also be replaced using general-purpose diode.
Power supply module 1 is provided with the first attachment base 11, the first attachment base 11 can with one end electrical property grafting of tested wire rod,
First attachment base 11 is provided with the first terminal being electrically connected with the positive output end of power supply module 1 and defeated with bearing for power supply module 1
The Second terminal of outlet electrical connection, first terminal can be electrically connected with the power supply line of tested wire rod, Second terminal can be tested
Wire rod is electrically connected to ground.Because the terminal in tested wire rod socket is smaller, it is not only located inside socket and position is close,
Directly connect with tested wire rod with conducting wire it is more troublesome and difficult, with one end electrical property grafting of the first attachment base 11 and tested wire rod
Power supply module 1 and one end of tested wire rod can be made to be electrically connected, eliminate the trouble connected with conducting wire.
Charging detecting model 2 is provided with the second attachment base 25, and the second attachment base 25 can be with the other end electricity of tested wire rod
Property grafting, the third terminal being electrically connected with one end of charging detecting model 2 is provided on the second attachment base 25, is examined with data port
The forth terminal for surveying the output end electrical connection of module 3, the 5th terminal that is electrically connected with the input terminal of data port detection module 3 with
And the 6th terminal being electrically connected with the other end of charging detecting model 2, third terminal are electrically connected with the power supply line of tested wire rod, the
Four terminals are electrically connected with the negative data line of tested wire rod, and the 5th terminal is electrically connected with the correction data line of tested wire rod, the 6th terminal
With being electrically connected to ground for tested wire rod.Because the terminal in tested wire rod socket is smaller, it is not only located at socket inside and position
Set it is close, directly connect with tested wire rod with conducting wire it is more troublesome and difficult, it is another with the second attachment base 25 and tested wire rod
It holds electrical grafting that charging detecting model 2 and the other end of tested wire rod can be made to be electrically connected, eliminates the trouble connected with conducting wire.
As shown in Fig. 2, further including data transmission detection module 4, data transmit detection module 4 can be another with tested wire rod
One end electrical connection, and the negative of power supply module 1, the correction data line of tested wire rod, data transmission detection module 4, tested wire rod
Data Detection circuit is connected and composed according to line to detect the quality of the data transmission link of tested wire rod.If tested wire rod just,
Negative data line is all conducting, can thus detect whether the quality of the data transmission link of tested wire rod is qualified.
It includes the second load 41 and second voltage table 42, one end difference of the second load 41 that data, which transmit detection module 4,
It is electrically connected with the negative data line of positive, the tested wire rod of second voltage table 42, the other end of the second load 41 is electric with second respectively
Press the correction data line electrical connection of the cathode, tested wire rod of table 42.Second load 41 is programmable electronic load, can be according to different
It needs to adjust the size of resistance, can so obtain multiple groups experimental data, reduce experimental error.In addition to this it is possible to general
The resistance that is powered replaces the second load 41.
Data transmission detection module 4 further includes third indicator light 43 and third current-limiting resistance 44, third indicator light 43
Anode is electrically connected with one end of third current-limiting resistance 44, and the cathode of third indicator light 43 and one end of the second load 41 electrically connect,
The other end of third current-limiting resistance 44 and the other end of the second load 41 electrically connect.Third current-limiting resistance 44 is for protecting third
Indicator light 43 prevents electric current, voltage are excessive from burning out third indicator light 43.If the correction data line of power supply module 1, tested wire rod,
Data transmission detection module 4, the Data Detection circuit that the negative data line of tested wire rod connects and composes are that then indicator light is bright for access, instead
Do not work then.Third indicator light 43 is light emitting diode.In addition to this, third indicator light 43 can also be LED light source, third limit
Leakage resistance 44 can also be general-purpose diode.
Power supply module 1 includes programmable digital power supply, ammeter and tertiary voltage table, one end of ammeter and programmable
The positive output end of digital power is electrically connected, and the other end of ammeter is electrically connected with one end of tertiary voltage table, tertiary voltage table
The other end is electrically connected with the negative output terminal of programmable digital power supply.
Power supply module 1 is additionally provided with third attachment base 12, and third attachment base 12 can electrically be inserted with one end of tested wire rod
It connects, third attachment base 12 is provided with the 7th terminal being electrically connected with the positive output end of power supply module 1, just defeated with power supply module 1
8th terminal of outlet electrical connection, the 9th terminal, defeated with bearing for power supply module 1 being electrically connected with the negative output terminal of power supply module 1
Tenth terminal of outlet electrical connection, the 7th terminal can be electrically connected with the power supply line of tested wire rod, the 8th terminal can be tested
The negative data line of wire rod is electrically connected, and the 9th terminal can be electrically connected with the correction data line of tested wire rod, and the tenth terminal can be with quilt
Survey line material is electrically connected to ground.Because the terminal in tested wire rod socket is smaller, it is not only located at socket inside and position phase
Closely, directly connect with tested wire rod with conducting wire it is more troublesome and difficult, it is electrical with one end of third attachment base 12 and tested wire rod
Grafting can be such that power supply module 1 and one end of tested wire rod is electrically connected, and eliminate the trouble connected with conducting wire.
Charging detecting model 2 is provided with the 4th attachment base 26, and the 4th attachment base 26 can be with the other end electricity of tested wire rod
Property grafting, the 11st terminal being electrically connected with one end of charging detecting model 2 is provided on the 4th attachment base 26, is transmitted with data
Tenth two-terminal of one end electrical connection of detection module 4, the 13rd terminal being connect with the other end of data transmission detection module 4
And the 14th terminal connecting with the other end of charging detecting model 2, the power supply line of the 11st terminal and tested wire rod are electrically connected
It connecing, the tenth two-terminal is electrically connected with the negative data line of tested wire rod, and the 13rd terminal is electrically connected with the correction data line of tested wire rod,
14th terminal is electrically connected to ground with tested wire rod.Because the terminal in tested wire rod socket is smaller, it is not only located at socket
Internal and position is close, directly connect with tested wire rod with conducting wire it is more troublesome and difficult, with the 4th attachment base 26 be tested
The other end electrical property grafting of wire rod can make charging detecting model 2, data transmission detection module 4 another with tested wire rod respectively
End electrical connection, eliminates the trouble connected with conducting wire.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to above embodiment, as long as with
Essentially identical means realize that the technical solution of the object of the invention belongs within protection scope of the present invention.
Claims (10)
- The line detector 1. a kind of USB charges, it is characterised in that: including power supply module (1) and charging detecting model (2), institute Stating power supply module (1) can be electrically connected with one end of tested wire rod, and the charging detecting model (2) can be another with tested wire rod One end electrical connection, and the ground wire of power supply module (1), the power supply line of tested wire rod, charging detecting model (2), tested wire rod connects Connect the quality for constituting charging measure loop to detect the charging circuit of tested wire rod.
- The line detector 2. a kind of USB according to claim 1 charges, it is characterised in that: the charging detecting model (2) Including first load (21), first voltage table (22), it is described first load (21) one end respectively with first voltage table (22) The power supply line electrical connection of anode, tested wire rod, the other end of the first load (21) cathode, the quilt with first voltage table (22) respectively Survey line material is electrically connected to ground.
- The line detector 3. a kind of USB according to claim 2 charges, it is characterised in that: the charging detecting model (2) It further include the first indicator light (23) and the first current-limiting resistance (24), anode and the first current limliting electricity of first indicator light (23) One end electrical connection of (24) is hindered, the cathode of the first indicator light (23) and one end of the first load (21) electrically connect, first limit The other end of leakage resistance (24) and the other end of the first load (21) electrically connect.
- The line detector 4. a kind of USB according to claim 2 charges, it is characterised in that: further include data port detection Module (3), the data port detection module (3) are electrically connected respectively with the negative data line of tested wire rod, correction data line to detect Whether it is shorted between the negative data line and correction data line of tested wire rod.
- The line detector 5. a kind of USB according to claim 4 charges, it is characterised in that: the data port detects mould Block (3) includes the second indicator light (31) and DC power supply (33), the anode and DC power supply of second indicator light (31) (33) anode electrical connection, the cathode of the second indicator light (31) are electrically connected with the negative data line of tested wire rod, the DC power supply (33) cathode is electrically connected with the correction data line of tested wire rod.
- The line detector 6. a kind of USB according to claim 5 charges, it is characterised in that: power supply module (1) setting Have the first attachment base (11), first attachment base (11) can be with one end electrical property grafting of tested wire rod, the first attachment base (11) first terminal being electrically connected with the positive output end of power supply module (1) and the negative output terminal with power supply module (1) are provided with The Second terminal of electrical connection, the first terminal can be electrically connected with the power supply line of the tested wire rod, the Second terminal energy Enough being electrically connected to ground with tested wire rod.
- The line detector 7. a kind of USB according to claim 5 charges, it is characterised in that: the charging detecting model (2) It is provided with the second attachment base (25), second attachment base (25) can connect with the other end electrical property grafting of tested wire rod, second The third terminal being electrically connected with one end of charging detecting model (2) and data port detection module (3) are provided on joint chair (25) The forth terminal of output end electrical connection, the 5th terminal that is electrically connected with the input terminal of data port detection module (3) and with 6th terminal of the other end electrical connection of charging detecting model (2), the third terminal are electrically connected with the power supply line of tested wire rod, The forth terminal is electrically connected with the negative data line of tested wire rod, and the correction data line of the 5th terminal and tested wire rod is electrically connected It connects, the 6th terminal is electrically connected to ground with tested wire rod.
- The line detector 8. a kind of USB according to claim 1 charges, it is characterised in that: further include data transmission detection Module (4), data transmission detection module (4) can be electrically connected with the other end of tested wire rod, and power supply module (1), The correction data line of tested wire rod, data transmit detection module (4), the negative data line of tested wire rod connects and composes Data Detection circuit To detect the quality of the data transmission link of tested wire rod.
- The line detector 9. a kind of USB according to claim 8 charges, it is characterised in that: the data transmission detection mould Block (4) includes the second load (41) and second voltage table (42), one end of second load (41) respectively with second voltage The negative data line electrical connection of positive, the tested wire rod of table (42), the other end of the second load (41) respectively with second voltage table (42) the correction data line electrical connection of cathode, tested wire rod.
- The line detector 10. a kind of USB according to claim 9 charges, it is characterised in that: the data transmission detection mould Block (4) further includes third indicator light (43) and third current-limiting resistance (44), the anode and third of the third indicator light (43) One end of current-limiting resistance (44) is electrically connected, and the cathode of the third indicator light (43) and one end of the second load (41) electrically connect, The other end of the third current-limiting resistance (44) and the other end of the second load (41) electrically connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811020827.3A CN109031004A (en) | 2018-09-03 | 2018-09-03 | A kind of USB charging line detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811020827.3A CN109031004A (en) | 2018-09-03 | 2018-09-03 | A kind of USB charging line detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109031004A true CN109031004A (en) | 2018-12-18 |
Family
ID=64622924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811020827.3A Pending CN109031004A (en) | 2018-09-03 | 2018-09-03 | A kind of USB charging line detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109031004A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450055A (en) * | 2019-01-04 | 2019-03-08 | 上海志禧贸易有限公司 | Bluetooth charging head and Bluetooth charging device |
| CN111596231A (en) * | 2020-05-06 | 2020-08-28 | 上海挚想科技有限公司 | Shared charger power supply line detection system and shared charger power supply line detection method |
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| CN206223900U (en) * | 2016-12-12 | 2017-06-06 | 北京德麦特捷康科技发展有限公司 | USB data line detection means |
| CN206479580U (en) * | 2016-10-26 | 2017-09-08 | 珠海市魅族科技有限公司 | Impedance detection circuit, charging chip and the terminal of the charging circuit of load |
| CN209086335U (en) * | 2018-09-03 | 2019-07-09 | 广东品能实业股份有限公司 | A kind of USB charging line detector |
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| WO2016045001A1 (en) * | 2014-09-23 | 2016-03-31 | Dialog Semiconductor Inc. | Usb data pin impedance detection |
| CN204945296U (en) * | 2015-09-08 | 2016-01-06 | 长沙市博巨兴电子科技有限公司 | A kind of cellular phone data line tester |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109450055A (en) * | 2019-01-04 | 2019-03-08 | 上海志禧贸易有限公司 | Bluetooth charging head and Bluetooth charging device |
| CN111596231A (en) * | 2020-05-06 | 2020-08-28 | 上海挚想科技有限公司 | Shared charger power supply line detection system and shared charger power supply line detection method |
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