CN105470758A - USB connecting line - Google Patents
USB connecting line Download PDFInfo
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- CN105470758A CN105470758A CN201510811091.1A CN201510811091A CN105470758A CN 105470758 A CN105470758 A CN 105470758A CN 201510811091 A CN201510811091 A CN 201510811091A CN 105470758 A CN105470758 A CN 105470758A
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- pin connector
- terminal
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- indicator light
- power supply
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- 230000000052 comparative effect Effects 0.000 claims description 23
- 238000010586 diagram Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
- H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/717—Structural association with built-in electrical component with built-in light source
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Power Sources (AREA)
Abstract
Provided in the invention is a USB connecting line. With the connecting line, a problem of confusion of a power supply or charging direction by a user can be solved. The USB connecting line comprises a first plug connector, a second plug connector, a first resistor, a first indication module, and a first comparison module. Two ends of the first resistor are connected with a first power terminal of the first plug connector and a second power terminal of the second plug connector respectively. The first comparison module is used for controlling the first indication module based on a comparison result, so that the first indication module indicates a direction of a current flowing through the first resistor; when the comparison result shows that a first voltage is larger than a second voltage, the first comparison module controls the first indication module to enable the current direction indicated by the first indication module to be a flowing direction from the first plug connector to the second plug connector; and when the comparison result shows that the second voltage is larger than the first voltage, the first comparison module controls the first indication module to enable the current direction indicated by the first indication module to be a flowing direction from the second plug connector to the first plug connector.
Description
Technical field
The present invention relates to a kind of USB connecting line, particularly relate to a kind of USB connecting line with deixis.
Background technology
At USB (UniversalSerialBus, USB) before Type-C (Type C), the supplier of electricity of USB system is to must be to from end (hosttodevice) by main side, and the appearance forrns of socket (receptacle) connector and plug (plug) connector is main equipment or from equipment with regard to the equipment determining it and be connected, such as, the equipment that USBType-A (Standard-A) connects must be main equipment and be feeder ear, and USBType-B (Standard-B), USBMini-B, the equipment that USBMicro-B connects must be from equipment and for being powered end.
It is identical that USBType-C is designed to two ends pattern, no longer distinguish main and slave terminal with the entity structure of connector, after the connection device of two ends, on the master and the descending Type-Creceptacle of hub (hub) be referred to as DFP (DownstreamFacingPort, downstream terminal), from equipment and the up Type-Creceptacle of hub be referred to as UFP (UpstreamFacingPort, upstream terminal), after connecting line (cable) connects two socket connectors, linked up by control terminal (CCpins), determine connect after framework in main equipment and from equipment, and determine power supply relation (namely by which equipment being powered to which equipment).
USBType-C except only as main equipment, only as except equipment, have main equipment and the two role device from equipment in addition concurrently, receptacle in two role device is referred to as DRP (Dual-rolePort, two role's terminal), just UFP is become when a DRP is connected with a DFP, just become DFP when a DRP is connected with a UFP, when two DRP are connected, who is UFP and who powers to whom to need extra software or hardware switch to determine whom to be DFP.Such as, when portable power source is connected with Type-C connecting line with notebook computer, because both are all DRP, therefore portable power source is all admissible scheme to notebook computer charging or notebook computer to portable power source charging, who is UFP and who powers to whom to need additionally to determine whom to be DFP with software or hardware switch by user.
Under predetermined condition, DFP is the providing end of data and electric energy simultaneously, but the direction of data direction and electric energy also can be different, the USBType-C of such as panel computer is DRP, connect USBType-Chub when connecting AC power source adapter (ACpoweradaptor) and USB flash disk again, the DRP of panel computer has the DFP of data and the UFP of electric energy concurrently, when power supply adaptor pulls out, panel computer will be automatically changeb to the DFP of data and the DFP of electric energy to power to hub and USB flash disk.
Due to various scheme of allowing above, make user when plugging USBType-C connecting line, the problem obscured easily is produced to power supply or charging direction.
Summary of the invention
The object of the present invention is to provide a kind of USB connecting line, to solve the problem.
In order to achieve the above object, the invention provides a kind of USB connecting line, comprise the first pin connector, the second pin connector, the first resistance, the first indicating module and the first comparison module, this first pin connector comprises the first power supply terminal; This second pin connector comprises second source terminal; The two ends of this first resistance connect this first power supply terminal and this second source terminal respectively; This first indicating module flows through the sense of current of this first resistance in order to instruction; This first comparison module connects this first power supply terminal, this second source terminal and this first indicating module, this first comparison module in order to the size of the second voltage of the first voltage and this second source terminal that compare this first power supply terminal, and controls this first indicating module according to comparative result and indicates this sense of current to make this first indicating module; Wherein, when this comparative result is greater than this second voltage for this first voltage, this first comparison module controls this sense of current that this first indicating module makes this first indicating module indicate and flows to this second pin connector for this first pin connector; When this comparative result is greater than this first voltage for this second voltage, this first comparison module controls this sense of current that this first indicating module makes this first indicating module indicate and flows to this first pin connector for this second pin connector.
Preferably, this first comparison module comprises the first comparator, this first comparator comprises first input end, the second input terminal and the first lead-out terminal, this first power supply terminal of this first input end sub-connection, this second input terminal connects this second source terminal, and this first lead-out terminal connects this first indicating module.
Preferably, also comprise: the second resistance, this second input terminal connects this second source terminal via this second resistance.
Preferably, this first indicating module comprises the first indicator light, and this first indicator light comprises the first positive terminal and the first negative pole end, and this first positive terminal connects this first lead-out terminal, this first negative pole end ground connection; When this first voltage is greater than this second voltage, the voltage of this first lead-out terminal of this first comparator is lighted this first indicator light and is flowed to this second pin connector to indicate this sense of current for this first pin connector; When this second voltage is greater than this first voltage, the voltage of this first lead-out terminal of this first comparator cannot light this first indicator light, and this first indicator light is dark to indicate this sense of current to flow to this first pin connector for this second pin connector.
Preferably, this first indicator light is arranged in this first pin connector, this first pin connector comprises shell, position corresponding with this first indicator light on this shell is provided with the first arrow of light-permeable, the pointing direction of this first arrow for this first pin connector to this second pin connector to make to indicate this sense of current to flow to this second pin connector for this first pin connector when this first indicator light is lighted.
Preferably, this first comparator also comprises the 3rd power supply terminal;
The control terminal of this first pin connector or this second pin connector connects the 3rd power supply terminal to provide this first comparator work required voltage;
Or this USB connecting line also comprises: voltage reduction module, this first power supply terminal or this second source terminal connect the 3rd power supply terminal to provide this first comparator work required voltage via this voltage reduction module.
Preferably, this first comparison module also comprises: the second comparator, this second comparator comprises the 3rd input terminal, four-input terminal and the second lead-out terminal, 3rd input terminal connects this first power supply terminal, this second source terminal of this four-input terminal sub-connection, this second lead-out terminal connects this first indicating module, and the 3rd input terminal is contrary with the polarity of this first input end, and this four-input terminal is contrary with the polarity of this second input terminal.
Preferably, also comprise: the second resistance, this second input terminal, this four-input terminal connect this second source terminal via this second resistance.
Preferably, this second comparator also comprises the 4th power supply terminal;
The control terminal of this first pin connector or this second pin connector connects the 4th power supply terminal to provide this second comparator work required voltage;
Or this USB connecting line also comprises: voltage reduction module, this first power supply terminal or this second source terminal connect the 4th power supply terminal to provide this second comparator work required voltage via this voltage reduction module.
Preferably, this first indicating module comprises the first indicator light and the second indicator light, this first indicator light comprises the first positive terminal and the first negative pole end, this first positive terminal connects this first lead-out terminal, this the first negative pole end ground connection, this second indicator light comprises the second positive terminal and the second negative pole end, and this second positive terminal connects this second lead-out terminal, this second negative pole end ground connection; When this first voltage is greater than this second voltage, the voltage of this first lead-out terminal of this first comparator is lighted this first indicator light and is flowed to this second pin connector to indicate this sense of current for this first pin connector; When this second voltage is greater than this first voltage, the voltage of this second lead-out terminal of this second comparator is lighted this second indicator light and is flowed to this first pin connector to indicate this sense of current for this second pin connector.
Preferably, this first indicator light and this second indicator light are arranged in this first pin connector, this first pin connector comprises shell, position corresponding with this first indicator light and this second indicator light on this shell is respectively arranged with the first arrow and second arrow of light-permeable, the pointing direction of this first arrow for this first pin connector to this second pin connector to make to indicate this sense of current to flow to this second pin connector for this first pin connector when this first indicator light is lighted, the pointing direction of this second arrow for this second pin connector to this first pin connector to make to indicate this sense of current to flow to this first pin connector for this second pin connector when this second indicator light is lighted.
Preferably, also comprise:
Second indicating module, in order to indicate this sense of current; And
Second comparison module, connect this first power supply terminal, this second source terminal and this second indicating module, this second comparison module in order to compare the size of this first voltage and this second voltage, and controls this second indicating module according to comparative result and indicates this sense of current to make this second indicating module;
This first indicating module is arranged in this first pin connector, and this second indicating module is arranged in this second pin connector; When this comparative result is greater than this second voltage for this first voltage, this second comparison module controls this sense of current that this second indicating module makes this second indicating module indicate and flows to this second pin connector for this first pin connector; When this comparative result is greater than this first voltage for this second voltage, this second comparison module controls this sense of current that this second indicating module makes this second indicating module indicate and flows to this first pin connector for this second pin connector.
Compared with prior art, USB connecting line provided by the invention, when user plugs USB connecting line, first comparison module can compare the voltage of the pin connector at USB connecting line two ends, and control the first indicating module according to comparative result, make the first indicating module indicator current direction, so avoid user to power supply or charging direction produces the problem obscured, raising Consumer's Experience.
Accompanying drawing explanation
The schematic diagram of a kind of USB connecting line that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is a kind of connection diagram of the USB connecting line shown in Fig. 1;
Fig. 3 is a specific embodiment of the USB connecting line shown in Fig. 2;
Fig. 4 is another specific embodiment of the USB connecting line shown in Fig. 2;
The partial schematic diagram of the USB connecting line shown in Fig. 5;
Fig. 6 is the another kind of connection diagram of the USB connecting line shown in Fig. 1.
Embodiment
For making there is further understanding to object of the present invention, structure, feature and function thereof, embodiment is hereby coordinated to be described in detail as follows.
The schematic diagram of a kind of USB connecting line that Fig. 1 provides for the embodiment of the present invention; Fig. 2 is a kind of connection diagram of the USB connecting line shown in Fig. 1; Fig. 3 is a specific embodiment of the USB connecting line shown in Fig. 2; Fig. 4 is another specific embodiment of the USB connecting line shown in Fig. 2; The partial schematic diagram of the USB connecting line shown in Fig. 5.
As shown in Figures 1 to 5, USB connecting line 1 comprises the first pin connector 11, second pin connector 12, first resistance R1, the first indicating module 13 and the first comparison module 14, USB connecting line 1 is specially USBType-C connecting line, and the first pin connector 11 comprises the first power supply terminal 111, second pin connector 12 and comprises second source terminal 121, the two ends of the first resistance R1 connect the first power supply terminal 111 and second source terminal 121 respectively, concrete, first power supply terminal 111, second source terminal 121 are Vbus terminal, first resistance R1 is that connection first power supply terminal 111 is (concrete with the resistance on the power transmission line of second source terminal 121, if connect between the first power supply terminal 111 and the power transmission line of second source terminal 121 and do not arrange resistance, the first resistance R1 is the equivalent resistance of power transmission line, if connect between the first power supply terminal 111 and the power transmission line of second source terminal 121 and be provided with peripheral hardware resistance, the first resistance R1 comprises equivalent resistance and the peripheral hardware resistance of power transmission line), first indicating module 13 flows through the sense of current of the electric current of the first resistance R1 in order to instruction, first comparison module 14 connects the first power supply terminal 111, second source terminal 121 and the first indicating module 13, first comparison module 14 is directly connected in the first power supply terminal 111, second source terminal 121 (namely between one end of the first comparison module 14 and the first power supply terminal 111 without other element, without other element between the other end of the second comparison module 14 and second source terminal 121), first comparison module 14 is in order to the size of the second voltage of the first voltage and second source terminal 121 that compare the first power supply terminal 111, and control the first indicating module 13 to make the first indicating module 13 indicator current direction according to comparative result.When comparative result be the first voltage be greater than the second voltage time, the first comparison module 14 control the first indicating module 13 make first indicating module 13 indicate the sense of current be that the first pin connector 11 flows to the second pin connector 12, when comparative result be the second voltage be greater than the first voltage time, first comparison module 14 controls the first indicating module 13 and makes the sense of current of the first indicating module 13 instruction be that the second pin connector 12 flows to the first pin connector 11, like this, when user plugs USB connecting line, first comparison module 14 can compare the pin connector 11 at USB connecting line 1 two ends, the voltage of 12, and control the first indicating module 13 according to comparative result, make the first indicating module 13 indicator current direction, and then avoid user to power supply or charging direction produce the problem obscured, improve Consumer's Experience.Those skilled in the art are it is easily understood that USB connecting line 1 also comprises cable 20 as shown in Figure 1, and cable 20 connects the first pin connector 11 and the second pin connector 12.Above-mentioned first comparison module 14, first indicating module 13 all can be arranged in cable 20, first pin connector 11 or the second pin connector 12.Preferably, above-mentioned first comparison module 14 can be arranged in the first pin connector 11 or the second pin connector 12, first indicating module 13 can be arranged in the first pin connector 11 or in the second pin connector 12, like this, because the first comparison module 14, first indicating module 13 is not arranged in the cable 20 of connection first pin connector 11 and the second pin connector 12, makes USB connecting line 1 not fragile and ensure that the attractive in appearance of USB connecting line 1.
As shown in Figure 2, sub-cable 201 (i.e. above-mentioned power transmission line) connects the first power supply terminal 111 and second source terminal 121, sub-cable 202 connects the first comparison module 14 to the first power supply terminal 111 and second source terminal 121, resistance R3 represents the resistance of sub-cable 202 itself, USB connecting line 1 also comprises the second resistance R2, in Fig. 2, the second resistance R2 is directly connected in second source terminal 121, namely the first comparison module 14 is directly connected in second source terminal 121 via the second resistance R2, in another embodiment of the present invention, second resistance R2 also can be directly connected in the first power supply terminal 111, the measure error that second resistance R2 causes for the resistance R3 revising sub-cable 202 itself, R2 is the need of use, can because of the specification of the first comparison module 14, the length of sub-cable 202 is relevant with the wire diameter of sub-cable 202, concrete, the length of group cable 202 wire diameter that is shorter or sub-cable 202 more slightly makes resistance R3 enough low (being namely low to moderate a preset value), or, when the enough low pressure drops that resistance R3 is caused of first comparison module 14 power consumption are enough low, resistance R2 can not use or substitute with the resistance of resistance value zero ohm.First comparison module 14 is directly connected in the first power supply terminal 111, second source terminal 121 by sub-cable 202, when practical wiring, the first contact that first comparison module 14 connects the first power supply terminal 111 be arranged at as far as possible near the position of the first power supply terminal 111, the first comparison module 14 the second contact of connecting second source terminal 121 is arranged at as far as possible near the position of second source terminal 121, namely the two ends of sub-cable 202 are respectively as far as possible near the first power supply terminal 111, second source terminal 121; Preferably, the first contact is positioned on the pin of the first power supply terminal 111, and the second contact is positioned on the pin of second source terminal 121, and namely the two ends of sub-cable 202 connect the pin of the first power supply terminal 111, second source terminal 121 respectively.
Embodiment as shown in Figure 3, first comparison module 14 comprises the first comparator X1, first comparator X1 comprises: the sub-X1-In1 of first input end, the second input terminal X1-In2, the first lead-out terminal X1-Out, the 3rd power supply terminal X1-P and earth terminal X1-G, the sub-X1-In1 of first input end connects the first power supply terminal 111 of the first pin connector 11, second source terminal 121, the first lead-out terminal X1-Out that second input terminal X1-In2 connects the second pin connector 12 connects the first indicating module 13.Wherein, the sub-X1-In1 of first input end is contrary with the polarity of the second input terminal X1-In2, such as shown in Figure 3, the polarity of the sub-X1-In1 of first input end is positive pole, the polarity of the second input terminal X1-In2 is negative pole, certainly, in another embodiment of the present invention also can be: the polarity of the sub-X1-In1 of first input end is negative pole, the polarity of the second input terminal X1-In2 be positive pole.
Further, as Fig. 2, shown in Fig. 3, second input terminal X1-In2 connects the second source terminal 121 of the second pin connector 12 via the second resistance R2, second resistance R2 is directly connected in second source terminal 121, the measure error that second resistance R2 causes for the resistance R3 revising sub-cable 202 itself, R2 is the need of use, can because of the specification of the first comparator X1, the length of sub-cable 202 is relevant with the wire diameter of sub-cable 202, concrete, the length of group cable 202 wire diameter that is shorter or sub-cable 202 more slightly makes resistance R3 enough low (being namely low to moderate a preset value), or, when the enough low pressure drops that resistance R3 is caused of first comparator X1 power consumption are enough low, resistance R2 can not use or substitute with the resistance that resistance value is zero ohm.
Further, the first indicating module 13 can comprise the first indicator light L1, and the positive terminal of the first indicator light L1 connects the first lead-out terminal X1-Out of the first comparator X1, the negative pole end ground connection of the first indicator light L1.It should be noted that, according to the actual requirements, the negative pole end of the first indicator light L1 can via a resistance R4 ground connection.For the embodiment shown in Fig. 3, when the first voltage of the first power supply terminal 111 is greater than the second voltage of second source terminal 121, it is the first socket connector 11 to the second socket connector 12 that the voltage of the first lead-out terminal X1-Out lights the first indicator light L1 with indicator current direction, when the second voltage of second source terminal 121 is greater than the first voltage of the first power supply terminal 111, the voltage of the first lead-out terminal X1-Out is zero, the voltage of the first lead-out terminal X1-Out cannot light the first indicator light L1, first indicator light L1 is not lit (namely the first indicator light L1 is dark) with indicator current direction is the second pin connector 12 to the first pin connector 11.The sense of current is learnt in appearance more intuitively by USB connecting line 1 in order to make user, position corresponding with the first indicator light L1 on the shell of the first pin connector 11 or the second pin connector 12 can be arranged the arrow of light-permeable, for embodiment as shown in Figure 3, the pointing direction of arrow and the direction of the first socket connector 11 to the second socket connector 12 are same direction is that the first pin connector 11 flows to the second pin connector 12 to make the indicator current direction when the first indicator light L1 lights.Like this, when user plugs USB connecting line, first comparator X1 can compare the voltage of the pin connector 11,12 at USB connecting line 1 two ends, and control the first indicator light L1 according to comparative result, make the first indicator light L1 indicator current direction, and then avoid user to power supply or charging direction produces the problem obscured, raising Consumer's Experience.
Further, for the power supply of the first comparator X1, a kind of situation, the control terminal (Vconn terminal) of the first pin connector 11 or the second pin connector 12 provides the direct current (DC) of 5 volts (V), the control terminal of the first pin connector 11 or the second pin connector 12 can be adopted to be that the first comparator X1 powers, concrete, the control terminal of the first pin connector 11 or the second pin connector 12 connects the 3rd power supply terminal X1-P of the first comparator X1 to provide the first comparator X1 work required voltage, another kind of situation, the second source terminal (Vbus terminal) 121 of the first power supply terminal of the first pin connector 11 (Vbus terminal) 111 or the second pin connector 12 can be adopted to be that the first comparator X1 powers, but according to USB-PD (USBPowerDelivery, universal serial bus electric power transfer) regulation of agreement, first power supply terminal 111, the voltage range of second source terminal 121 is that 5 volts (V) are to 20 volts (V), therefore, it is right to need, the output voltage of the first power supply terminal 111 or second source terminal 121 carries out step-down meets the first comparator X1 chip demand with the voltage of the 3rd power supply terminal X1-P making access first comparator X1, concrete, USB connecting line 1 also comprises: voltage reduction module, first power supply terminal 111 of the first pin connector 11 or the second source terminal 121 of the second pin connector 12 connect the power supply terminal of the first comparator X1 to provide the first comparator X1 work required voltage via voltage reduction module.The one terminal X1-G ground connection (GND) of the first comparator X1.
Embodiment as shown in Figure 4, compared with the embodiment shown in above-mentioned Fig. 3, difference is, first comparison module 14 also comprises the second comparator X2, second comparator X2 comprises: the 3rd input terminal X2-In1, the sub-X2-In2 of four-input terminal, second lead-out terminal X2-Out, 4th power supply terminal X2-P and earth terminal X2-G, 3rd input terminal X2-In1 connects the first power supply terminal 111 of the first pin connector 11, the sub-X2-In2 of four-input terminal connects the second source terminal 121 of the second pin connector 12, second lead-out terminal X2-Out connects the first indicating module 13.Wherein, 3rd input terminal X2-In1 is contrary with the polarity of the sub-X1-In1 of first input end of the first comparator X1, and the sub-X2-In2 of four-input terminal is contrary with the polarity of the second input terminal X1-In2 of the first comparator X1, in Fig. 4 with the 3rd input terminal X2-In1 of the second comparator X2 for negative pole, the sub-X1-In1 of first input end of the first comparator X1 is positive pole, the sub-X2-In2 of four-input terminal of the second comparator X2 is positive pole, the second input terminal X1-In2 of the first comparator X1 is negative pole is that example is described, but the present invention is not limited to this, with another embodiment of the present invention can be: the 3rd input terminal X2-In1 of the second comparator X2 is positive pole, the sub-X1-In1 of first input end of the first comparator X1 is negative pole, the sub-X2-In2 of four-input terminal of the second comparator X2 is negative pole, the second input terminal X1-In2 of the first comparator X1 is positive pole.
Further, the first indicating module 13 also comprises the second indicator light L2, and the positive terminal of the second indicator light L2 connects the second lead-out terminal X2-Out of the second comparator X2, the negative pole end ground connection of the second indicator light L2.It should be noted that, according to the actual requirements, the negative pole end of the second indicator light L2 can via a grounding through resistance.For the embodiment shown in Fig. 4, when the first voltage of the first power supply terminal 111 is greater than the second voltage of second source terminal 121, the voltage of the first lead-out terminal X1-Out of the first comparator X1 lights the first indicator light L1 and the voltage of the second lead-out terminal X2-Out of the second comparator X2 is zero and cannot lights the second indicator light L2 (namely the second indicator light L2 is dark) with indicator current direction to be the first socket connector 11 to the second socket connector 12, when the second voltage of second source terminal 121 is greater than the first voltage of the first power supply terminal 111, the voltage zero of the first lead-out terminal X1-Out of the first comparator X1 and the first indicator light L1 (namely the first indicator light L1 is dark) cannot be lighted and the voltage of the second lead-out terminal X2-Out of the second comparator X2 to light the second indicator light L2 with indicator current direction be the second pin connector 12 to the first pin connector 11.The sense of current is learnt in appearance more intuitively by USB connecting line 1 in order to make user, position corresponding with the first indicator light L1, the second indicator light L2 on the shell of the first pin connector 11 or the second pin connector 12 can arrange transmission region, first indicator light L1, the second indicator light L2 can be set to different colors, and then distinguish the sense of current by the difference of the color of bright light.Preferably, can on the shell of the first pin connector 11 or the second pin connector 12 with the first indicator light L1, the position that second indicator light L2 is corresponding is arranged respectively the first arrow and second arrow of light-permeable, the pointing direction of the first arrow is the first pin connector 11 to the second pin connector 12 is that the first pin connector 11 flows to the second pin connector 12 to make the indicator current direction when the first indicator light L1 lights, the pointing direction of the second arrow is the second pin connector 12 to the first pin connector 11 is that the second pin connector 12 flows to the first pin connector 11 to make the indicator current direction when the second indicator light L2 lights, to determine the sense of current for user better, exemplary, as shown in Figure 5, first arrow 1101 of light-permeable, second arrow 1102 of light-permeable is arranged on the shell 110 of the first socket connector 11, the pointing direction of the first arrow 1101 is contrary with the pointing direction of the second arrow 1102, when the second voltage of second source terminal 121 is greater than the first voltage of the first power supply terminal 111, light the second indicator light L2, the second arrow 1102 corresponding with the second indicator light L2 on shell 110 is shinny to indicate the sense of current for flow to the first socket connector 11 by the second socket connector 12 to user, when the first voltage of the first power supply terminal 111 is greater than the second voltage of second source terminal 121, light the first indicator light L1, the first arrow 1101 corresponding with the first indicator light L1 on shell 110 is shinny to indicate the sense of current for flow to the second socket connector 12 by the first socket connector 11 to user.Like this, when user plugs USB connecting line, first comparator X1, the second comparator X2 can compare the voltage of the pin connector 11,12 at USB connecting line 1 two ends, and control the first indicator light L1, the second indicator light L2 respectively according to comparative result, make the first indicator light L1, the second indicator light L2 indicator current direction, and then avoid user to power supply or charging direction produces the problem obscured, raising Consumer's Experience.
Further, the sub-X2-In2 of four-input terminal of the second comparator X2 connects the second source terminal 121 of the second pin connector 12 via the second resistance R2, second resistance R2 is directly connected in second source terminal 121, the measure error that second resistance R2 causes for the resistance R3 revising sub-cable 202 itself, R2 is the need of use, can because of the specification of the first comparator X1 and the second comparator X2, the length of sub-cable 202 is relevant with the wire diameter of sub-cable 202, concrete, the length of group cable 202 wire diameter that is shorter or sub-cable 202 more slightly makes resistance R3 enough low (being namely low to moderate a preset value), or, when first comparator X1 and the enough low pressure drops that resistance R3 is caused of the second comparator X2 power consumption reach low, resistance R2 can not use or substitute with the resistance that resistance value is zero ohm.
Further, for the power supply of the second comparator X2, a kind of situation, the control terminal (Vconn terminal) of the first pin connector 11 or the second pin connector 12 provides the direct current (DC) of 5 volts (V), the control terminal of the first pin connector 11 or the second pin connector 12 can be adopted to be that the second comparator X2 powers, concrete, the control terminal of the first pin connector 11 or the second pin connector 12 connects the 4th power supply terminal X2-P of the second comparator X2 to provide the second comparator X2 work required voltage, another kind of situation, the second source terminal (Vbus terminal) 121 of the first power supply terminal of the first pin connector 11 (Vbus terminal) 111 or the second pin connector 12 can be adopted to be that the second comparator X2 powers, but according to USB-PD (USBPowerDelivery, universal serial bus electric power transfer) regulation of agreement, first power supply terminal 111, the voltage range of second source terminal 121 is that 5 volts (V) are to 20 volts (V), therefore, it is right to need, the output voltage of the first power supply terminal 111 or second source terminal 121 carries out step-down meets the second comparator X2 chip demand with the voltage of the 4th power supply terminal X2-P making access second comparator X2, concrete, USB connecting line 1 also comprises: also comprise: voltage reduction module, first power supply terminal 111 of the first pin connector 11 or the second source terminal 121 of the second pin connector 12 connect the power supply terminal of the second comparator X2 to provide the second comparator X2 work required voltage via voltage reduction module.The one terminal X2-G ground connection (GND) of the second comparator X2.
It should be noted that, above-mentioned first indicator light L1, the second indicator light L2 can be LED (Light-EmittingDiode, light-emitting diode).
Fig. 6 is the another kind of connection diagram of the USB connecting line shown in Fig. 1.In another embodiment of the present invention, as shown in Figure 6, USB connecting line 1 can also comprise: the second indicating module 15 and the second comparison module 16, second indicating module 15 is in order to indicator current direction, second comparison module 16 connects the first power supply terminal, second source terminal and the second indicating module 15, second comparison module 16 in order to the size of the second voltage of the first voltage and second source terminal that compare the first power supply terminal, and controls the second indicating module 15 to make the second indicating module 15 indicator current direction according to comparative result; Wherein, when comparative result be the first voltage be greater than the second voltage time, the second comparison module 16 control the second indicating module 15 make second indicating module 15 indicate the sense of current be that the first pin connector flows to the second pin connector; When comparative result be the second voltage be greater than the first voltage time, the second comparison module 16 control the second indicating module 15 make second indicating module 15 indicate the sense of current be that the second pin connector flows to the first pin connector.
In embodiment shown in Fig. 6, sub-cable 201 connects the first resistance R1 to the first power supply terminal 111 and second source terminal 121, sub-cable 202 ' connects the first comparison module 14, second comparison module 16 to the first power supply terminal 111 and second source terminal 121, resistance R3 ' represents the resistance of sub-cable 202 ' itself, the measure error that second resistance R2 ' causes for the resistance R3 ' revising sub-cable 202 ' itself, second resistance R2 ' is directly connected in second source terminal 121, R2 ' is the need of use, understand the specification because of the first comparison module 14 and the second comparison module 16, the length of sub-cable 202 ' is relevant with the wire diameter of sub-cable 202 ', concrete, the length of group cable 202 ' wire diameter that is shorter or sub-cable 202 ' more slightly makes resistance R3 ' enough low (being namely low to moderate a preset value), or, first comparison module 14, when the enough low pressure drops that resistance R3 ' is caused of second comparison module 16 power consumption are enough low, resistance R2 ' can not use or substitute with the resistance that resistance value is zero ohm.
In this embodiment, first indicating module 13 and the second indicating module 15 are divided in the first pin connector 11 and the second pin connector 12, the specific design of the second indicating module 15, second comparison module 16 is identical with the specific design of the first indicating module 13, first comparison module 14 shown in above-mentioned Fig. 3, Fig. 4, and the embodiment of the present invention repeats no more.
The USB connecting line that the present embodiment provides, when user plugs USB connecting line, first comparison module 14, second comparison module 16 can compare the voltage of the pin connector 11,12 at USB connecting line 1 two ends, and control the first indicating module 13, second indicating module 15 respectively according to comparative result, make the first indicating module 13, second indicating module 15 indicator current direction, and then avoid user to power supply or charging direction produces the problem obscured, raising Consumer's Experience.
The present invention is described by above-mentioned related embodiment, but above-described embodiment is only enforcement example of the present invention.Must it is noted that the embodiment disclosed limit the scope of the invention.On the contrary, change done without departing from the spirit and scope of the present invention and retouching, all belong to scope of patent protection of the present invention.
Claims (12)
1. a USB connecting line, is characterized in that, comprises:
First pin connector, comprises the first power supply terminal;
Second pin connector, comprises second source terminal;
First resistance, the two ends of this first resistance connect this first power supply terminal and this second source terminal respectively;
First indicating module, flows through the sense of current of this first resistance in order to instruction; And
First comparison module, connect this first power supply terminal, this second source terminal and this first indicating module, this first comparison module in order to the size of the second voltage of the first voltage and this second source terminal that compare this first power supply terminal, and controls this first indicating module according to comparative result and indicates this sense of current to make this first indicating module;
Wherein, when this comparative result is greater than this second voltage for this first voltage, this first comparison module controls this sense of current that this first indicating module makes this first indicating module indicate and flows to this second pin connector for this first pin connector; When this comparative result is greater than this first voltage for this second voltage, this first comparison module controls this sense of current that this first indicating module makes this first indicating module indicate and flows to this first pin connector for this second pin connector.
2. USB connecting line as claimed in claim 1, it is characterized in that, this first comparison module comprises the first comparator, this first comparator comprises first input end, the second input terminal and the first lead-out terminal, this first power supply terminal of this first input end sub-connection, this second input terminal connects this second source terminal, and this first lead-out terminal connects this first indicating module.
3. USB connecting line as claimed in claim 2, it is characterized in that, also comprise: the second resistance, this second input terminal connects this second source terminal via this second resistance.
4. USB connecting line as claimed in claim 2, it is characterized in that, this first indicating module comprises the first indicator light, and this first indicator light comprises the first positive terminal and the first negative pole end, and this first positive terminal connects this first lead-out terminal, this first negative pole end ground connection; When this first voltage is greater than this second voltage, the voltage of this first lead-out terminal of this first comparator is lighted this first indicator light and is flowed to this second pin connector to indicate this sense of current for this first pin connector; When this second voltage is greater than this first voltage, the voltage of this first lead-out terminal of this first comparator cannot light this first indicator light, and this first indicator light is dark to indicate this sense of current to flow to this first pin connector for this second pin connector.
5. USB connecting line as claimed in claim 4, it is characterized in that, this first indicator light is arranged in this first pin connector, this first pin connector comprises shell, position corresponding with this first indicator light on this shell is provided with the first arrow of light-permeable, the pointing direction of this first arrow for this first pin connector to this second pin connector to make to indicate this sense of current to flow to this second pin connector for this first pin connector when this first indicator light is lighted.
6. USB connecting line as claimed in claim 2, it is characterized in that, this first comparator also comprises the 3rd power supply terminal;
The control terminal of this first pin connector or this second pin connector connects the 3rd power supply terminal to provide this first comparator work required voltage;
Or this USB connecting line also comprises: voltage reduction module, this first power supply terminal or this second source terminal connect the 3rd power supply terminal to provide this first comparator work required voltage via this voltage reduction module.
7. USB connecting line as claimed in claim 2, it is characterized in that, this first comparison module also comprises: the second comparator, this second comparator comprises the 3rd input terminal, four-input terminal and the second lead-out terminal, 3rd input terminal connects this first power supply terminal, this second source terminal of this four-input terminal sub-connection, this second lead-out terminal connects this first indicating module, 3rd input terminal is contrary with the polarity of this first input end, and this four-input terminal is contrary with the polarity of this second input terminal.
8. USB connecting line as claimed in claim 7, is characterized in that, also comprise: the second resistance, and this second input terminal, this four-input terminal connect this second source terminal via this second resistance.
9. USB connecting line as claimed in claim 7, it is characterized in that, this second comparator also comprises the 4th power supply terminal;
The control terminal of this first pin connector or this second pin connector connects the 4th power supply terminal to provide this second comparator work required voltage;
Or this USB connecting line also comprises: voltage reduction module, this first power supply terminal or this second source terminal connect the 4th power supply terminal to provide this second comparator work required voltage via this voltage reduction module.
10. USB connecting line as claimed in claim 7, it is characterized in that, this first indicating module comprises the first indicator light and the second indicator light, this first indicator light comprises the first positive terminal and the first negative pole end, this first positive terminal connects this first lead-out terminal, this first negative pole end ground connection, and this second indicator light comprises the second positive terminal and the second negative pole end, this second positive terminal connects this second lead-out terminal, this second negative pole end ground connection; When this first voltage is greater than this second voltage, the voltage of this first lead-out terminal of this first comparator is lighted this first indicator light and is flowed to this second pin connector to indicate this sense of current for this first pin connector; When this second voltage is greater than this first voltage, the voltage of this second lead-out terminal of this second comparator is lighted this second indicator light and is flowed to this first pin connector to indicate this sense of current for this second pin connector.
11. USB connecting lines as claimed in claim 10, it is characterized in that, this first indicator light and this second indicator light are arranged in this first pin connector, this first pin connector comprises shell, position corresponding with this first indicator light and this second indicator light on this shell is respectively arranged with the first arrow and second arrow of light-permeable, the pointing direction of this first arrow for this first pin connector to this second pin connector to make to indicate this sense of current to flow to this second pin connector for this first pin connector when this first indicator light is lighted, the pointing direction of this second arrow for this second pin connector to this first pin connector to make to indicate this sense of current to flow to this first pin connector for this second pin connector when this second indicator light is lighted.
12. USB connecting lines as claimed in claim 1, is characterized in that, also comprise:
Second indicating module, in order to indicate this sense of current; And
Second comparison module, connect this first power supply terminal, this second source terminal and this second indicating module, this second comparison module in order to compare the size of this first voltage and this second voltage, and controls this second indicating module according to comparative result and indicates this sense of current to make this second indicating module;
This first indicating module is arranged in this first pin connector, and this second indicating module is arranged in this second pin connector; When this comparative result is greater than this second voltage for this first voltage, this second comparison module controls this sense of current that this second indicating module makes this second indicating module indicate and flows to this second pin connector for this first pin connector; When this comparative result is greater than this first voltage for this second voltage, this second comparison module controls this sense of current that this second indicating module makes this second indicating module indicate and flows to this first pin connector for this second pin connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510811091.1A CN105470758B (en) | 2015-11-20 | 2015-11-20 | USB connecting lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510811091.1A CN105470758B (en) | 2015-11-20 | 2015-11-20 | USB connecting lines |
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| CN105470758A true CN105470758A (en) | 2016-04-06 |
| CN105470758B CN105470758B (en) | 2017-12-29 |
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| CN201510811091.1A Expired - Fee Related CN105470758B (en) | 2015-11-20 | 2015-11-20 | USB connecting lines |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111630729A (en) * | 2018-01-22 | 2020-09-04 | 桑翠斯无线通讯有限公司 | Lighting USB C type power adapter |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11025017B2 (en) * | 2015-12-18 | 2021-06-01 | Hewlett-Packard Development Company, L.P. | LED operational profiles for USB-C cable plugs |
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| US20090261181A1 (en) * | 2006-05-15 | 2009-10-22 | David Cheung | Fragrance Emitting Apparatus for Use with USB Port |
| CN203071338U (en) * | 2013-01-22 | 2013-07-17 | 镒胜电子科技(昆山)有限公司 | USB plug with state indicating function and USB data line |
| CN203300899U (en) * | 2013-04-15 | 2013-11-20 | 东莞市鑫柯特通讯器材有限公司 | Light emitting data line |
| CN203674524U (en) * | 2014-01-15 | 2014-06-25 | 卢永弟 | Luminous USB data line |
| CN203871616U (en) * | 2014-04-01 | 2014-10-08 | ***通信集团终端有限公司 | USB data line |
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| US20090261181A1 (en) * | 2006-05-15 | 2009-10-22 | David Cheung | Fragrance Emitting Apparatus for Use with USB Port |
| CN203071338U (en) * | 2013-01-22 | 2013-07-17 | 镒胜电子科技(昆山)有限公司 | USB plug with state indicating function and USB data line |
| CN203300899U (en) * | 2013-04-15 | 2013-11-20 | 东莞市鑫柯特通讯器材有限公司 | Light emitting data line |
| CN203674524U (en) * | 2014-01-15 | 2014-06-25 | 卢永弟 | Luminous USB data line |
| CN203871616U (en) * | 2014-04-01 | 2014-10-08 | ***通信集团终端有限公司 | USB data line |
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| CN111630729A (en) * | 2018-01-22 | 2020-09-04 | 桑翠斯无线通讯有限公司 | Lighting USB C type power adapter |
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| CN105470758B (en) | 2017-12-29 |
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