CN208548720U - A kind of data line on mobile phone - Google Patents
A kind of data line on mobile phone Download PDFInfo
- Publication number
- CN208548720U CN208548720U CN201820462255.3U CN201820462255U CN208548720U CN 208548720 U CN208548720 U CN 208548720U CN 201820462255 U CN201820462255 U CN 201820462255U CN 208548720 U CN208548720 U CN 208548720U
- Authority
- CN
- China
- Prior art keywords
- mobile phone
- data line
- voltage
- circuit
- core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Telephone Function (AREA)
Abstract
The utility model provides a kind of data line on mobile phone, including ontology, the connecting line for connecing the first connection terminal of external equipment, the first and second connection terminals of second connection end and connection for taking over machine is equipped in ontology, which includes two core data telecommunication lines and two core pressure-wires；Data line further includes set on this external display screen and being set to intrinsic dsp chip, voltage detecting circuit and current detection circuit；The first end of first termination voltage detecting circuit of dsp chip, the first end of the second termination current detection circuit, third terminate display screen；A core among second two core pressure-wires of termination of voltage detecting circuit, third end ground connection；The second end of current detection circuit and third end are serially connected among two core pressure-wires on another core, and realization is connected with the first and second connection terminals.Implement the utility model, the voltage and or current for flowing through data line is being monitored in real time when the mobile phone is charging, is scenting a hidden danger in time, reduces the probability of damage in mobile phone charging process.
Description
Technical field
The utility model relates to technical field of mobile phones more particularly to a kind of data lines on mobile phone.
Background technique
Mobile phone charging or the data between mobile phone and external equipment are transmitted frequently with data line connection and are realized.However,
In the prior art, when mobile phone connection data line is charged, charge capacity state can only could be obtained by mobile phone power-on, but not
Energy real-time monitoring is entered the charging voltage and electric current of interior of mobile phone by data line, once data line charging end releases excessive electricity
Pressure or electric current, will damage mobile phone.Therefore, it is necessary to be supervised in real time to the voltage and or current for flowing through data line
Control, can scent a hidden danger and exclude in time, reduce the probability of damage in mobile phone charging process.
Utility model content
The technical problem to be solved by the embodiment of the utility model is, providing a kind of data line on mobile phone, energy
The voltage and or current for flowing through data line is being monitored in real time when the mobile phone is charging, is scenting a hidden danger and excludes in time, is reducing hand
Probability of damage in machine charging process.
In order to solve the above-mentioned technical problem, the utility model embodiment provides a kind of data line on mobile phone, packet
Ontology is included, first connection terminal being set inside the body for connecting external equipment, second for connecting mobile phone connect
Connecting terminal and the connecting line that first connection terminal and second connection end link together；Wherein, the company
Wiring includes the two core data telecommunication lines for data transmit-receive and the two core pressure-wires for voltage transmission；
Wherein, the data line on mobile phone further includes being set to the display screen of the body exterior and being set to
Dsp chip, voltage detecting circuit and/or the current detection circuit of the body interior；Wherein,
The first end of the dsp chip is connected with the first end of the voltage detecting circuit, and second end and the electric current are examined
The first end of slowdown monitoring circuit is connected, and third end is connected with the display screen；
The second end of the voltage detecting circuit is connected with a core among the two cores pressure-wire, third end ground connection；
The second end of the current detection circuit and third end are serially connected among the two cores pressure-wire on another core, are realized
It is connected with first connection terminal and second connection end.
Wherein, the data line on mobile phone further includes the voltage regulator circuit for being set to the body interior, described steady
One end of volt circuit and the voltage detecting circuit are connected on same core pressure-wire, other end ground connection.
Wherein, the data line on mobile phone further includes over-voltage and the overcurrent protection electricity for being set to the body interior
Road；Wherein,
The over-voltage and current foldback circuit be serially connected with connect first connection terminal and the voltage detecting circuit it
Between a core pressure-wire on, realization is connected with first connection terminal and the voltage detecting circuit, and the over-voltage and mistake
Stream protection circuit is also connected with the 4th end of the dsp chip.
Wherein, the data line on mobile phone further includes the temperature sensing circuit for being set to the body interior, institute
Temperature sensing circuit is stated to be connected with the 5th end of the dsp chip.
Wherein, the voltage detecting circuit includes the first divider resistance and the second divider resistance mutually concatenated；Wherein,
One end of first divider resistance is accessed among the two cores pressure-wire on a core, the other end with described second point
One end of piezoresistance concatenates to form series side and be connected with the first end of the dsp chip；
The other end of second divider resistance is grounded.
Wherein, the current detection circuit includes the sampling resistor being in parallel and integrated form operational amplifier chip；Wherein,
The sampling resistor is also serially connected among the two cores pressure-wire on another core, is realized and first connection terminal
It is connected with second connection end.
The integrated form operational amplifier chip is also connected with the second end of the dsp chip.
Wherein, the interface type of first connecting pin is USB-TYPE-A or USB-TYPE-B.
Wherein, the interface type of second connection end is that micro USB, micro USB turn Lightning, micro
USB turns a kind of among USB-TYPE-C.
Wherein, the voltage regulator circuit is formed by the zener diode of model ZD101, the over-voltage and current foldback circuit
It is formed by over-voltage/overcurrent protection chip of model SGM2525, the temperature sensing circuit is passed by the temperature of model NTC101
Sensor is formed.
Wherein, the model MS1793 of the dsp chip which is provided with and examine respectively with the voltage detecting circuit, electric current
The ADC stitch that slowdown monitoring circuit, over-voltage and current foldback circuit and temperature sensing circuit are respectively connected with is additionally provided with and the display screen phase
GPIO and I2C stitch even, and it is integrated with function of Bluetooth communication；The model of the integrated form operational amplifier chip
SGM8477；The resistance value of first divider resistance is 1M Ω, and the resistance value of second divider resistance is 100K Ω.
Implement the utility model embodiment, has the following beneficial effects:
1, in the utility model embodiment, since voltage detecting circuit and current detection circuit are arranged in the two of data line
On core pressure-wire, voltage detecting circuit and current detection circuit voltage and or current collected are passed in real time by dsp chip
Display screen is passed to be shown, so as to monitored in real time when the mobile phone is charging to the voltage and or current for flowing through data line,
It scents a hidden danger and excludes in time, reduce the probability of damage in mobile phone charging process；
It 2,, can be with due to being additionally provided with voltage regulator circuit on two core pressure-wires of data line in the utility model embodiment
It avoids high-voltage pulse from draining to mobile phone terminal and causes the damage of mobile phone charging system；
3, in the utility model embodiment, due to being additionally provided with over-voltage on two core pressure-wires of data line and crossing galvanic electricity
Road can actively disconnect the connection of two core pressure-wires when voltage or excessively high electric current, mobile phone can be caused to fill to avoid over-voltage or overcurrent
The damage of electric system；
4, in the utility model embodiment, due to being additionally provided with temperature sensing circuit on two core pressure-wires of data line,
The connection that two core pressure-wires can actively be disconnected when the temperature is excessively high, can cause mobile phone to damage to avoid high temperature.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, obtains other drawings based on these drawings the scope for still falling within the utility model.
Fig. 1 is the outer surface level structural schematic diagram provided by the embodiment of the utility model for the data line on mobile phone；
Fig. 2 is the built-in system structural schematic diagram provided by the embodiment of the utility model for the data line on mobile phone；
Fig. 3 is another built-in system structural representation provided by the embodiment of the utility model for the data line on mobile phone
Figure；
Fig. 4 is the system structure diagram of voltage detecting circuit in Fig. 2 and Fig. 3；
Fig. 5 is the system structure diagram of current detection circuit in Fig. 2 and Fig. 3；
Fig. 6 is the circuit application of the built-in system structure provided by the embodiment of the utility model for the data line on mobile phone
Figure.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.
It as shown in Figures 1 to 6, is a kind of data line on mobile phone provided in the utility model embodiment, including
The inside of ontology L, ontology L are equipped with for connecting external equipment (not shown, which includes computer, charger etc.)
First connection terminal 1, second connection end 2 for connecting mobile phone (not shown) and the first connection terminal 1 and second are connected
The connecting line 3 that connecting terminal 2 links together；Wherein, connecting line 3 include for data transmit-receive two core data telecommunication lines 31 and
The two core pressure-wires 32 for voltage transmission.
Wherein, the data line in the utility model embodiment further includes display screen 4 and the setting being set to outside ontology L
Dsp chip 5, voltage detecting circuit 6 and/or current detection circuit 7 inside ontology L；Wherein,
The first end a1 of dsp chip 5 is connected with the first end b1 of voltage detecting circuit 6, second end a2 and current detecting electricity
The first end c1 on road 7 is connected, and third end a3 is connected with display screen 4；
The second end b2 of voltage detecting circuit 6 is connected with a core among two core pressure-wires 32, third end b3 ground connection；
The second end c2 and third end c3 of current detection circuit 7 are serially connected among two core pressure-wires 32 on another core, are realized
It is connected with the first connection terminal 1 and second connection end 2.
It should be noted that the data line in the utility model embodiment can be based on traditional four cores or multicore data
The basis of line (as included but is not limited to USB data line), by setting voltage detecting circuit 6 and/or current detection circuit 7 in biography
The voltage and or current flowed through in real time when the mobile phone is charging is detected on the pressure-wire of system data line, and after the reception of dsp chip 5
4 real-time display of display screen is pushed to, the voltage and or current for flowing through data line is monitored in real time when the mobile phone is charging to realize,
It can scent a hidden danger and exclude in time, reduce the probability of damage in mobile phone charging process.
It is understood that the interface type of the first connection terminal 1 connection external equipment includes but is not limited to USB-TYPE-
A,USB-TYPE-B；Different classes can be arranged according to mobile phone distinct interface in the interface type that second connection end 2 connects mobile phone
Type, including but not limited to micro USB, micro USB turn Lightning, micro USB turns USB-TYPE-C.Display screen 4 is
Liquid crystal display or other screens.
In one embodiment, two core data telecommunication lines 31 are respectively set to DM, DP, and two core pressure-wires 32 are respectively set to
VCC, GND, the interface type of 1 external equipment of the first connection terminal are USB-TYPE-A, and second connection end 2 connects connecing for mobile phone
Mouth type is micro USB, and display screen 4 is liquid crystal display；At this point, voltage detecting circuit 6 is attempted by among two core pressure-wires 32
On VCC line, current detection circuit 7 is serially connected on the GND line among two core pressure-wires 32, and dsp chip 5 is using the function with MCU
It can chip.
In another embodiment, two core data telecommunication lines 31 are respectively set to DM, DP, and two core pressure-wires 32 are respectively set
For VCC, GND, the interface type of 1 external equipment of the first connection terminal is USB-TYPE-A, and second connection end 2 connects mobile phone
Interface type is that micro USB turns Lightning, and display screen 4 is liquid crystal display；At this point, voltage detecting circuit 6 is attempted by two cores electricity
On VCC line among crimping 32, current detection circuit 7 is serially connected on the GND line among two core pressure-wires 32, and dsp chip 5 uses
Functional chip with MCU and Bluetooth communication.Such as the model MS1793 of dsp chip 5, which is provided with respectively with voltage detecting
The ADC stitch that circuit 6 is connected with current detection circuit 7, GPIO the and I2C stitch being connected with display screen 4, and it is logical to be integrated with bluetooth
Telecommunication function.
In the utility model embodiment, as shown in figure 3, drain to mobile phone terminal in order to avoid high-voltage pulse when the mobile phone is charging and
The damage of mobile phone charging system is caused, the data line in the utility model embodiment further includes the pressure stabilizing being set to inside ontology L
Circuit 8, one end of the voltage regulator circuit 8 and voltage detecting circuit 6 are connected on same core pressure-wire 32, other end ground connection.
Similarly, practical at this in order to avoid the damage of long-time over-voltage or overcurrent to mobile phone charging system when the mobile phone is charging
Data line in new embodiment further includes over-voltage and the current foldback circuit 9 being set to inside ontology L；Wherein, the over-voltage and
Current foldback circuit 9 is serially connected on the core pressure-wire 32 between the first connection terminal 1 of connection and voltage detecting circuit 6, is realized
Be connected with the first connection terminal 1 and voltage detecting circuit 6, and the over-voltage and current foldback circuit 9 also with dsp chip 5 the 4th
It holds a4 to be connected, when passing through the electric current on pressure-wire 32 more than preset current threshold, passes through the switching of dsp chip 5 first and connect
Connection between connecting terminal 1 and second connection end 2, or the voltage flowed through on pressure-wire 32 is more than preset voltage threshold
When, voltage is adjusted to voltage threshold automatically within a certain period of time, and do not reduce output power, and exceeding after a certain period of time,
Switch the connection between the first connection terminal 1 and second connection end 2 by dsp chip 5.
Similarly, in order to avoid damage of the high temperature to mobile phone charging system when the mobile phone is charging, in the utility model embodiment
Data line further include the temperature sensing circuit 10 being set to inside ontology L, the of the temperature sensing circuit 10 and dsp chip 5
Five end a5 are connected, and the data line in the utility model embodiment switches the first connecting pin when the temperature is excessively high, by dsp chip 5
Connection between son 1 and second connection end 2.
In one embodiment, voltage regulator circuit 8 is formed by the zener diode of model ZD101, over-voltage and overcurrent protection
Circuit 9 is formed by over-voltage/overcurrent protection chip of model SGM2525, temperature sensing circuit 10 by model NTC101 temperature
Degree sensor is formed, and the surge that can be generated to the moment that charger plugs carries out quick release, and can be to internal over pressure, overcurrent
And the excessively high phenomenon of temperature is protected；
Wherein, zener diode ZD101 and voltage detecting circuit 6 are connected on the VCC line among two core pressure-wires 32,
Zener diode ZD101 is a kind of Transient Suppression Diode of super high power, when voltage is higher than 6V/14V, can be led moment
Logical, the energy that will be above 6V/14V is discharged；The over-voltage/overcurrent protection chip SGM2525 be serially connected in two core pressure-wires 32 it
In VCC line on, and connection is realized by VCC line and the first connection terminal 1 and voltage detecting circuit 6, while being also connected with DSP core
Piece 5 receives over-voltage over-current protection instruction；Temperature sensor NTC101 connection dsp chip 5, the temperature of acquisition is sent to DSP core
Piece 5.
In the utility model embodiment, as shown in figure 4, voltage detecting circuit 6 includes the first divider resistance mutually concatenated
61 and second divider resistance 62；Wherein, one end of the first divider resistance 61 is accessed among two core pressure-wires 32 on a core, the other end
It concatenates to form series side and be connected with the first end a1 of dsp chip 5 with one end of the second divider resistance 62；Second divider resistance 62
The other end ground connection.In one embodiment, the resistance value of the first divider resistance 61 is 1M Ω, and the resistance value of the second divider resistance 62 is
100K Ω, and the first divider resistance 61 accesses on the VCC line among two core pressure-wires 32, the second divider resistance 62 ground connection allows DSP
Chip 5 collects 1/11 voltage.
In the utility model embodiment, as shown in figure 5, current detection circuit 7 includes 71 He of sampling resistor being in parallel
Integrated form operational amplifier chip 72；Wherein, sampling resistor 71 is also serially connected among two core pressure-wires 32 on another core, realize with
First connection terminal 1 is connected with second connection end 2；Integrated form operational amplifier chip 72 also with the second end a2 of dsp chip 5
It is connected.It should be noted that integrated form operational amplifier chip 72 can be excessive to avoid component and shortage reasonably installs sky
Between.In one embodiment, the model SGM8477 of integrated form operational amplifier chip 72, the resistance value of sampling resistor 71 are 1
Ω, the sampling resistor 71 are serially connected on the GND line among two core pressure-wires 32.
As shown in fig. 6, the circuit application drawing of the built-in system structure for the data line in the utility model embodiment.Fig. 6
In, USB-TYPE-A is the first connecting terminal 1, for connecting computer, charger etc.；Micro USB is the second connecting terminal 2,
For connecting mobile phone；
1-4 line being arranged between USB-TYPE-A and micro USB is connecting line 3, wherein 2-3 is respectively corresponded
It respectively corresponds for DM, DP of two core data telecommunication lines 31,1,4 as VCC, GND of two core pressure-wires 32；
Zener diode ZD101 forms voltage regulator circuit 8；Chip U103 forms over-voltage and current foldback circuit 9；Temperature sensing
Device NTC101 formation temperature detection circuit 10；
Resistance R108 is the first divider resistance 61, resistance R109 is the second divider resistance 62, and resistance R108 and R109 shape
At voltage detecting circuit 6；
Resistance R111 is sampling resistor 71, chip U104 is integrated form operational amplifier chip 72, and resistance R111 and core
Piece U104 forms current detection circuit 7；Certainly, there are also multiple filter capacitor C129 and C130 etc.；
Liquid crystal display CON108 is display screen 4；
Chip MS1793 is dsp chip 5, and the PA3/ADC3 stitch of chip MS1793 connects voltage detecting circuit 6, PA7/
ADC7 stitch connects voltage detecting circuit 7；The stitch such as PA4/ADC4, EN, VCP connect over-voltage and current foldback circuit 9；PA0/
ADC0 stitch connects temperature sensing circuit 10；T2C_SCL, T2C_SDA stitch connect display screen 4.
Implement the utility model embodiment, has the following beneficial effects:
1, in the utility model embodiment, since voltage detecting circuit and current detection circuit are arranged in the two of data line
On core pressure-wire, voltage detecting circuit and current detection circuit voltage and or current collected are passed in real time by dsp chip
Display screen is passed to be shown, so as to monitored in real time when the mobile phone is charging to the voltage and or current for flowing through data line,
It scents a hidden danger and excludes in time, reduce the probability of damage in mobile phone charging process；
It 2,, can be with due to being additionally provided with voltage regulator circuit on two core pressure-wires of data line in the utility model embodiment
It avoids high-voltage pulse from draining to mobile phone terminal and causes the damage of mobile phone charging system；
3, in the utility model embodiment, due to being additionally provided with over-voltage on two core pressure-wires of data line and crossing galvanic electricity
Road can actively disconnect the connection of two core pressure-wires when voltage or excessively high electric current, mobile phone can be caused to fill to avoid over-voltage or overcurrent
The damage of electric system；
4, in the utility model embodiment, due to being additionally provided with temperature sensing circuit on two core pressure-wires of data line,
The connection that two core pressure-wires can actively be disconnected when the temperature is excessively high, can cause mobile phone to damage to avoid high temperature.
Above disclosures are merely preferred embodiments of the utility model, the utility model cannot be limited with this certainly
Interest field, therefore equivalent variations made according to the claim of the utility model still fall within the scope of the utility model.
Claims (10)
1. a kind of data line on mobile phone, including ontology, be set inside the body for connecting external equipment
One connection terminal (1), the second connection end for connecting mobile phone (2) and by first connection terminal (1) and described the
The connecting line (3) that two connection terminals (2) link together；Wherein, the connecting line (3) includes the two core numbers for data transmit-receive
According to communication line (31) and for two core pressure-wires (32) of voltage transmission；
It is characterized in that, the data line on mobile phone further include be set to the body exterior display screen (4) and
It is set to the dsp chip (5), voltage detecting circuit (6) and/or current detection circuit (7) of the body interior；Wherein,
The first end of the dsp chip (5) is connected with the first end of the voltage detecting circuit (6), second end and the electric current
The first end of detection circuit (7) is connected, and third end is connected with the display screen (4)；
The second end of the voltage detecting circuit (6) is connected with a core among the two cores pressure-wire (32), third end ground connection；
The second end of the current detection circuit (7) and third end are serially connected among the two cores pressure-wire (32) on another core,
It realizes and is connected with first connection terminal (1) and the second connection end sub (2).
2. as described in claim 1 for the data line on mobile phone, which is characterized in that the data line on mobile phone is also
Voltage regulator circuit (8) including being set to the body interior, one end of the voltage regulator circuit (8) and the voltage detecting circuit
(6) it is connected on same core pressure-wire (32), other end ground connection.
3. as claimed in claim 2 for the data line on mobile phone, which is characterized in that the data line on mobile phone is also
Over-voltage and current foldback circuit (9) including being set to the body interior；Wherein,
The over-voltage and current foldback circuit (9), which are serially connected with, connects first connection terminal (1) and the voltage detecting circuit
(6) on the core pressure-wire (32) between, realization is connected with first connection terminal (1) and the voltage detecting circuit (6),
And the over-voltage and current foldback circuit (9) are also connected with the 4th end of the dsp chip (5).
4. as claimed in claim 3 for the data line on mobile phone, which is characterized in that the data line on mobile phone is also
Temperature sensing circuit (10) including being set to the body interior, the temperature sensing circuit (10) and the dsp chip (5)
The 5th end be connected.
5. as claimed in claim 4 for the data line on mobile phone, which is characterized in that the voltage detecting circuit (6) includes
Mutually the first divider resistance (61) and the second divider resistance (62) of concatenation；Wherein,
One end of first divider resistance (61) is accessed among the two cores pressure-wire (32) on a core, the other end and described the
One end of two divider resistances (62) concatenates to form series side and be connected with the first end of the dsp chip (5)；
The other end of second divider resistance (62) is grounded.
6. as claimed in claim 5 for the data line on mobile phone, which is characterized in that the current detection circuit (7) includes
The sampling resistor (71) and integrated form operational amplifier chip (72) being in parallel；Wherein,
The sampling resistor (71) is also serially connected among the two cores pressure-wire (32) on another core, and realization is connect with described first
Terminal (1) is connected with the second connection end sub (2)；
The integrated form operational amplifier chip (72) is also connected with the second end of the dsp chip (5).
7. as claimed in claim 6 for the data line on mobile phone, which is characterized in that the first connection terminal (1) connects
Mouth type is USB-TYPE-A or USB-TYPE-B.
8. as claimed in claim 7 for the data line on mobile phone, which is characterized in that the second connection end sub (2) connect
Mouth type is that micro USB, micro USB turn Lightning, micro USB turns a kind of among USB-TYPE-C.
9. as claimed in claim 8 for the data line on mobile phone, which is characterized in that the voltage regulator circuit (8) is by model
The zener diode of ZD101 is formed, the over-voltage and current foldback circuit (9) by model SGM2525 over-voltage/overcurrent protection
Chip is formed, and the temperature sensing circuit (10) is formed by the temperature sensor of model NTC101.
10. as claimed in claim 9 for the data line on mobile phone, which is characterized in that the model of the dsp chip (5)
MS1793, which is provided with respectively with the voltage detecting circuit (6), current detection circuit (7), over-voltage and current foldback circuit
(9) and the ADC stitch that is respectively connected with of temperature sensing circuit (10), it is additionally provided with GPIO the and I2C needle being connected with the display screen (4)
Foot, and it is integrated with function of Bluetooth communication；The model SGM8477 of the integrated form operational amplifier chip (72)；Described first
The resistance value of divider resistance (61) is 1M Ω, and the resistance value of second divider resistance (62) is 100K Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820462255.3U CN208548720U (en) | 2018-04-03 | 2018-04-03 | A kind of data line on mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820462255.3U CN208548720U (en) | 2018-04-03 | 2018-04-03 | A kind of data line on mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208548720U true CN208548720U (en) | 2019-02-26 |
Family
ID=65419537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820462255.3U Active CN208548720U (en) | 2018-04-03 | 2018-04-03 | A kind of data line on mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208548720U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390436A (en) * | 2018-04-03 | 2018-08-10 | 上海甲金通信科技有限公司 | A kind of data line on mobile phone |
| CN110190480A (en) * | 2019-05-14 | 2019-08-30 | 无锡睿勤科技有限公司 | USB data line |
-
2018
- 2018-04-03 CN CN201820462255.3U patent/CN208548720U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390436A (en) * | 2018-04-03 | 2018-08-10 | 上海甲金通信科技有限公司 | A kind of data line on mobile phone |
| WO2019192212A1 (en) * | 2018-04-03 | 2019-10-10 | 上海甲金通信科技有限公司 | Data cable for mobile phone |
| CN110190480A (en) * | 2019-05-14 | 2019-08-30 | 无锡睿勤科技有限公司 | USB data line |
| CN110190480B (en) * | 2019-05-14 | 2021-01-29 | 无锡睿勤科技有限公司 | USB data line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108390436A (en) | A kind of data line on mobile phone | |
| CN103064489B (en) | A kind of method and terminal of carrying out internal circuit selection according to USB interface state | |
| CN105790356B (en) | A kind of data line with charging circuit | |
| CN208548720U (en) | A kind of data line on mobile phone | |
| CN202931282U (en) | General telecommand acquisition module for distribution network terminal | |
| CN105826894B (en) | The charging short-circuit protection and power-supply device of power-supply device | |
| CN103888871B (en) | Wire control device used for earphone and earphone | |
| CN208971213U (en) | A kind of slave equipment charge control circuit and camera shooting product of recognizable main equipment type | |
| CN202798035U (en) | Charging mode detection circuit and mobile terminal | |
| CN110233512A (en) | The quick power supply of multithreading | |
| CN207742316U (en) | Battery detection circuit and battery management system | |
| CN208656444U (en) | Wireless headset charging box with mobile phone charging function | |
| CN107706977B (en) | Charging current detection method and charging device | |
| CN106019170A (en) | Power adapter detecting device | |
| CN203205866U (en) | Antistatic circuit for mobile phone interface | |
| CN105403756B (en) | A kind of circuit arrangement with ground wire electrification detection function | |
| CN211579139U (en) | Two unification charging wires and charger | |
| CN214314565U (en) | Bidirectional charging wire structure | |
| CN209994146U (en) | Charging circuit based on USB data display line and USB data display line | |
| CN204012086U (en) | There is the data wire of switch and circuit protection | |
| CN204835635U (en) | Charger with feedback function | |
| CN111537915A (en) | Broken string detection circuitry and treasured that charges of polymorphic type charging wire | |
| CN207817043U (en) | In-built electrical pool electronic product uses electrical test circuit | |
| CN112564075A (en) | Bidirectional charging wire structure | |
| CN206432513U (en) | The terminal connection circuit of wearable device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |