CN208971199U

CN208971199U - Mobile power source

Info

Publication number: CN208971199U
Application number: CN201821766499.7U
Authority: CN
Inventors: 李贡献; 杨勇升
Original assignee: Shenzhen Ranvoo Technology Co Ltd
Current assignee: Shenzhen Ranvoo Technology Co Ltd
Priority date: 2018-10-29
Filing date: 2018-10-29
Publication date: 2019-06-11
Anticipated expiration: 2028-10-29

Abstract

The utility model provides a kind of mobile power source, it include: TYPE-C interface, interface circuit, micro-control unit and charge-discharge circuit, the TYPE-C interface is connect with the interface circuit and the charge-discharge circuit respectively, the interface circuit is also connect with the micro-control unit, the charge-discharge circuit is also connect with the micro-control unit, the current signal of input is transmitted to the micro-control unit via the interface circuit by the TYPE-C interface, and the micro-control unit controls the charge-discharge circuit progress charge or discharge after identifying the current signal.The utility model provides mobile power source, and the Bidirectional charging-discharging for being just able to achieve TYPE-C interface without increasing self-adapting estimation chip reduces cost.

Description

Mobile power source

Technical field

The utility model relates to power technique fields more particularly to a kind of mobile power sources.

Background technique

Mobile power source (Mobile Power Pack, MPP), is also charger baby, traveling charger etc., is a kind of collection power supply With charge function in the portable charger of one, it can charge whenever and wherever possible to digital equipments such as mobile phone, tablet computers, be outer The consumer handle official business out, to travel offers convenience.

Mobile power source in the prior art is when realizing TYPE-C interface Bidirectional charging-discharging, usually by increasing by one certainly Identification chip is adapted to complete to be charged and discharged identification.But the mobile power source that voltage is 5v is output and input for specified (not supporting the mobile power source of high pressure fast charge) is realized in mobile power source by this mode of self-adapting estimation chip The higher cost of the Bidirectional charging-discharging of TYPE-C interface.

In view of the above-mentioned problems, those skilled in the art are seeking redress always.

Utility model content

In view of this, originally practical newly provide a kind of mobile power source, just it is able to achieve without increasing self-adapting estimation chip The Bidirectional charging-discharging of TYPE-C interface, reduces cost.

The utility model provides a kind of mobile power source, comprising: TYPE-C interface, interface circuit, micro-control unit and charge and discharge Circuit, the TYPE-C interface are connect with the interface circuit and the charge-discharge circuit respectively, the interface circuit also with The micro-control unit connection, the charge-discharge circuit are also connect with the micro-control unit, and the TYPE-C interface will input Current signal be transmitted to the micro-control unit via the interface circuit, the micro-control unit identifies the current signal After control the charge-discharge circuit and carry out charge or discharge, and the voltage rating of the mobile power source be located at 4.7V to 5.3V it Between.

Specifically, the micro-control unit identified to obtain by the square wave to the current signal be inserted in it is described In TYPE-C interface is adapter or electronic equipment, when be inserted in the TYPE-C interface be adapter when, it is described micro- Control unit controls the charge-discharge circuit and charges；When be inserted in the TYPE interface be electronic equipment when, it is described Charge-discharge circuit described in micro-control unit controls discharges.

Specifically, the interface circuit includes first resistor, second resistance, 3rd resistor, the 4th resistance and first switch Element；The first end of the first resistor is respectively connected to the first of the end VBUS, the end VB+, the end VB- and the first switching element End, the second end of the first resistor are respectively connected to first end and the end INT0 of the second resistance, the second resistance Second end ground connection, the second end of the first switching element are respectively connected to the first end at the end Vout Yu the 3rd resistor, institute The control terminal for stating first switching element is respectively connected to the second end of the 3rd resistor and the first end of the 4th resistance, institute The second end for stating the 4th resistance is connected to the end TYPEC.

Specifically, the interface circuit further includes first capacitor, and the first end of the first capacitor and the end VB- connect It connects, the second end of the first capacitor is connect with the first end of the first switching element.

Specifically, the first switching element is P-channel enhancement type field effect transistor.

Specifically, the micro-control unit includes identification circuit, and the identification circuit is connect with the interface circuit.

Specifically, the identification circuit includes second switch element, third switch element, the 4th switch element, the 5th opens Close element, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance and the tenth resistance；The second switch member The first end of part is connect with the end Vout in the interface circuit, and the second end of the second switch element is respectively connected to described The control terminal of the first end of the second end of third switch element and the 5th resistance, the second switch element is respectively connected to The second end of 5th resistance, the control terminal of the third switch element and the end PULL, the first of the third switch element End is connected to the first end of the 6th resistance, and the second end of the 6th resistance is respectively connected to the end CC and the 7th resistance First end, the second end of the 7th resistance connect with the first end of the 4th switch element, the 4th switch element Second end ground connection, the control terminal of the 4th switch element is respectively connected to the first end and the described 9th of the 8th resistance The first end of resistance, the second end of the 9th resistance are connected to the end DOWN, and the second end of the 8th resistance is respectively connected to The first end of tenth resistance and the end CC, the second end of the tenth resistance and the control terminal of the 5th switch element Connection, the first end ground connection of the 5th switch element, the second end of the 5th switch element are connect with the end INT3.

Specifically, the identification circuit is used to be identified to obtain to the square wave of the current signal identification signal, and will The identification signal is transmitted to the micro-control unit.

Specifically, the second switch element and the third switch element are P-channel enhancement type field effect transistor, 4th switch element and the 5th switch element are N-channel field effect transistor.

Specifically, the charge-discharge circuit includes charge/discharge unit, protection location, battery core and detection unit；The charge and discharge Electric unit is connect with the TYPE-C interface, the charge/discharge unit also respectively with the protection location and the micro-control unit Connection, the protection location also connect with the battery core and the detection unit respectively, the detection unit also with the micro-control Unit connection processed.

Mobile power source provided by the utility model is connected with interface circuit and charge-discharge circuit respectively by TYPE-C interface It connects, interface circuit is also connect with micro-control unit, and charge-discharge circuit is also connect with micro-control unit, and TYPE-C interface is by input Current signal is transmitted to micro-control unit via interface circuit, micro-control unit identify after current signal control charge-discharge circuit into Row charge or discharge, so as to the Bidirectional charging-discharging for being just able to achieve TYPE-C interface without increasing self-adapting estimation chip, drop Low cost.

The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model Art means, and being implemented in accordance with the contents of the specification, and in order to allow the above and other purpose, feature of the utility model It can be more clearly understood with advantage, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.

Detailed description of the invention

Fig. 1 and Fig. 2 is the structural block diagram of mobile power source provided by the embodiment of the utility model；

Fig. 3 is the structural block diagram of the micro-control unit in mobile power source provided by the embodiment of the utility model；

Fig. 4 is the circuit between TYPE-C interface and interface circuit in mobile power source provided by the embodiment of the utility model Structural schematic diagram；

Fig. 5 is the electrical block diagram of the identification circuit in Fig. 3.

Specific embodiment

The embodiments of the present invention are described below in detail, the example of embodiment is shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar component or component with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the utility model, and should not be understood as the limit to the utility model System.

Fig. 1 is the structural block diagram of mobile power source 100 provided by the embodiment of the utility model.As shown in Figure 1, the present embodiment mentions The mobile power source 100 of confession include TYPE-C interface 10, interface circuit 20, micro-control unit (Microcontroller Unit, MCU) 30 and charge-discharge circuit 40.

Specifically, in one embodiment, TYPE-C interface 10 is connect with interface circuit 20 and charge-discharge circuit 40 respectively, Specifically, the output end of TYPE-C interface 10 is electrically connected with the input terminal of interface circuit 20, to be inserted in movement in external equipment When in the TYPE-C interface 10 in power supply 100, TYPE-C interface 10 will be to 20 input current signal of interface circuit.TYPE-C interface 10 input/output terminal is electrically connected with the input/output terminal of charge-discharge circuit 40, is charged with realizing to mobile power source 100 Or electric discharge.Specifically, in one embodiment, interface circuit 20 is also connect with micro-control unit 30, specifically, interface circuit 20 Output end be electrically connected with the input terminal of micro-control unit 30.Specifically, in one embodiment, charge-discharge circuit 40 also with it is micro- Control unit 30 connects, and specifically, the input/output terminal of charge-discharge circuit 40 is also electrically connected with micro-control unit 30.

Specifically, in one embodiment, the voltage rating of mobile power source 100 is located at 4.7V between 5.3V.Specifically, The voltage rating of mobile power source 100 includes the input voltage and output voltage of mobile power source 100.

Specifically, in the present embodiment, the current signal of input is transmitted to by TYPE-C interface 10 via interface circuit 20 Micro-control unit 30, control charge-discharge circuit 40 carries out charge or discharge after micro-control unit 30 identifies current signal.Specifically, The current signal that interface circuit 20 is used to input TYPE-C interface 10 is handled, so that treated, current signal meets Requirement of the micro-control unit 30 to input signal.

Please also refer to Fig. 2, Fig. 2 is the structural block diagram of mobile power source 100 provided by the embodiment of the utility model.Such as Fig. 1 With shown in Fig. 2, mobile power source 100 provided in this embodiment further includes electricity display screen 50.Specifically, in one embodiment, Electricity display screen 50 is electrically connected with micro-control unit 30, specifically, input terminal and the micro-control unit 30 of electricity display screen 50 Output end electrical connection, to show the remaining capacity of the mobile power source 100.Specifically, in one embodiment, electricity display screen 50 Can with but be not limited to be set as LED display, for example, in other embodiments, electricity display screen 50 may be arranged as LCD display etc..

Specifically, in one embodiment, charge-discharge circuit 40 include charge/discharge unit 44, protection location 44, battery core 46 and Detection unit 48.Specifically, in one embodiment, charge/discharge unit 44 is connect with TYPE-C interface 10, specifically, charge and discharge The input/output terminal of unit 44 is electrically connected with the input/output terminal of TYPE-C interface 10, to carry out charge or discharge.Specifically, In the present embodiment, charge/discharge unit 44 is also connect with protection location 44 and micro-control unit 30 respectively, specifically, charge and discharge list The input/output terminal of member 44 is electrically connected with the input/output terminal of micro-control unit 30 and protection location 44 respectively.Specifically, exist In one embodiment, protection location 44 is also connect with battery core 46 and detection unit 48 respectively, specifically, protection location 44 it is defeated Enter/output end is also electrically connected with the input/output terminal of the input terminal of detection unit 48 and battery core 46 respectively, wherein protection location 44 for overcharging protection to battery core 46 and protecting to the low battery of battery core 46.Specifically, in one embodiment, detection unit 48 also connect with micro-control unit 30, and specifically, the output end of detection unit 48 is electrically connected with micro-control unit 30, will test To the charge transport of battery core 46 to micro-control unit 30, the residue electricity that mobile power source 100 is shown in electricity display screen 50 is realized Amount, specifically, detection unit 48 are used to detect the electricity of battery core 46, and the level that will test is supplied to micro-control unit 30. Micro-control unit 30 shows the percentage of the remaining capacity detected by 50 screen of electricity display screen.

Specifically, in one embodiment, micro-control unit 30 is identified by the square wave to current signal and is inserted into In TYPE-C interface 10 is adapter or electronic equipment.Specifically, in one embodiment, when being inserted in TYPE-C interface When in 10 is adapter, micro-control unit 30 controls charge-discharge circuit 40 and charges.It is when being inserted in TYPE interface When electronic equipment, micro-control unit 30 controls charge-discharge circuit 40 and discharges.Specifically, adapter is inserted respectively with electronic equipment When entering in TYPE-C interface 10, TYPE-C interface 10 will receive the current signal with different square waves, so that microcontroller Unit 30 according to the current signal of different square waves identify the external equipment being inserted in TYPE-C interface 10 be adapter or Electronic equipment.

Specifically, in one embodiment, electronic equipment can be, but not limited to as smart phone, tablet computer, notebook Computer or wearable device etc..

Please also refer to Fig. 4, Fig. 4 is the TYPE-C interface 10 in mobile power source 100 provided by the embodiment of the utility model With the electrical block diagram between interface circuit 20.As shown in Figure 1, Figure 2 and shown in Fig. 4, the output end of TYPE-C interface 10 with connect The input terminal electrical connection of mouth circuit 20.

Specifically, in one embodiment, 4 ends GND in TYPE-C interface 10 are shorted to the end VB-.TYPE-C interface 2 ends VBUS in 4 ends VBUS in 10 are shorted to the end VB+, and in addition 2 ends VBUS are electrically connected to the defeated of interface circuit 20 Enter end.6 ends SHELL in TYPE-C interface 10 are connected to SH pin to be electrically connected with the end VB-.In TYPE-C interface 10 The end CC1 and the end CC2 are connected to the end CC.The end DP1 and the end DP2 in TYPE-C interface 10 are connected to the end D2+.TYPE-C interface The end DN1 and the end DN2 in 10 are connected to the end D2-.The end SBU1 and the end SBU2 in TYPE-C interface 10 receive auxiliary signal. The end SSTXP1, the end SSTXN1, the end SSRXP1, the end SSRXN1, the end SSTXP2, the end SSTXN2, SSRXP2 in TYPE-C interface 10 End and the end SSRXN2 constitute four groups of differential signals to carry out data transmission.

Specifically, in one embodiment, interface circuit 20 includes first resistor, second resistance, 3rd resistor, the 4th resistance And first switching element.Specifically, in one embodiment, the first end of first resistor be respectively connected to the end VBUS, the end VB+, The first end of the end VB- and first switching element, specifically, the first end of first resistor are electrically connected to 2 in TYPE-C interface 10 A end VBUS, to receive the current signal that TYPE-C interface 10 is inputted in external equipment insertion.The second end of first resistor point It is not connected to first end and the end INT0 of second resistance, the second end of second resistance is grounded, specifically, the second end of first resistor It is grounded via second resistance.Specifically, in one embodiment, the second end of first switching element be respectively connected to the end Vout with The first end of 3rd resistor, the control terminal of first switching element be respectively connected to 3rd resistor second end and the 4th resistance the One end, the second end of the 4th resistance are connected to the end TYPEC, and specifically, interface circuit 20 passes through the end Vout for TYPE-C interface 10 The current signal of input is exported after treatment to micro-control unit 30, such as to the decompression processing of current signal so that electric current is believed Number meet the input requirements to signal of micro-control unit 30.

Further, in one embodiment, interface circuit 20 further includes first capacitor.Specifically, in one embodiment, The first end of first capacitor is connect with the end VB-, and the second end of first capacitor and the first end of first switching element connect.

Specifically, in one embodiment, first switching element can be, but not limited to as P-channel enhancement type field effect transistor Pipe, for example, the model of first switching element can be, but not limited to as RCR1541SI, wherein the first end of first switching element is Drain electrode, the second end of first switching element are source electrode, and the control terminal of first switching element is grid.

Please also refer to Fig. 3, Fig. 3 is the micro-control unit 30 in mobile power source 100 provided by the embodiment of the utility model Structural block diagram.As shown in Figure 1 to Figure 3, in the present embodiment, micro-control unit 30 includes identification circuit 32.Specifically, one In embodiment, identification circuit 32 is connect with interface circuit 20, specifically, input terminal and the interface circuit 20 of identification circuit 32 Output end electrical connection.

Specifically, in one embodiment, identification circuit 32 is used to be identified to obtain identification letter to the square wave of current signal Number, and identification signal is transmitted to micro-control unit 30, wherein identification signal includes to be currently inserted into TYPE-C interface 10 External equipment is Adapter Information, or the external equipment being currently inserted into TYPE-C interface 10 is electronic device information, with The charge-discharge circuit 40 for controlling micro-control unit 30 according to identification signal in mobile power source 100 carries out charge or discharge.

It is the electrical block diagram of the identification circuit 32 in Fig. 3 please also refer to Fig. 5, Fig. 5.As shown in Figures 1 to 5, It include second switch element, third switch element, the 4th switch element, the 5th switch in identification circuit 32 provided in this embodiment Element, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance and the tenth resistance.Specifically, in an embodiment party In formula, the first end of second switch element is connect with the end Vout in interface circuit 20, the warp exported with receiving interface circuit 20 Current signal of crossing that treated, specifically, in one embodiment, the voltage of the current signal of the end Vout output can be, but not limited to For 2.5V, such as in other embodiments, the voltage of the current signal of the end Vout output may be arranged as higher than 2.5V Or lower voltage value.The second end of second switch element is respectively connected to the second end and the 5th resistance of third switch element First end.The control terminal of second switch element be respectively connected to the second end of the 5th resistance, the control terminal of third switch element and The end PULL.The first end of third switch element is connected to the first end of the 6th resistance.The second end of 6th resistance is respectively connected to The first end at the end CC and the 7th resistance.The second end of 7th resistance is connect with the first end of the 4th switch element.4th switch member The second end of part is grounded, and the control terminal of the 4th switch element is respectively connected to the first end and the first of the 9th resistance of the 8th resistance End.The second end of 9th resistance is connected to the end DOWN.The second end of 8th resistance be respectively connected to the first end of the tenth resistance with The end CC.The second end of tenth resistance is connect with the control terminal of the 5th switch element.The first end of 5th switch element is grounded, and the 5th The second end of switch element is connect with the end INT3.

Specifically, in one embodiment, second switch element and third switch element can be, but not limited to be that P-channel increases Strong type field effect transistor, for example, the model of second switch element and third switch element can be, but not limited to be RCR1542SI, wherein the first end of second switch element is drain electrode, and the second end of second switch element is source electrode, second switch The control terminal of element is grid, and the first end of third switch element is drain electrode, and the second end of third switch element is source electrode, the 4th The control terminal of switch element is grid.4th switch element and the 5th switch element can be, but not limited to be N-channel field-effect Transistor, for example, the model of third switch element and the 4th switch element can be, but not limited to be RCR1515SI, wherein the The first end of four switch elements is drain electrode, and the second end of the 4th switch element is source electrode, and the control terminal of the 4th switch element is grid Pole, the first end of the 5th switch element are drain electrode, and the second end of the 5th switch element is source electrode, the control terminal of the 5th switch element For grid.

Specifically, mobile power source provided by the embodiment of the utility model, by TYPE-C interface respectively with interface circuit and Charge-discharge circuit connection, interface circuit are also connect with micro-control unit, and charge-discharge circuit is also connect with micro-control unit, TYPE-C The current signal of input is transmitted to micro-control unit via interface circuit by interface, is controlled after micro-control unit identification current signal Charge-discharge circuit carries out charge or discharge, so as to realize that the charge and discharge of TYPE-C interface are identified using micro-control unit, nothing The Bidirectional charging-discharging that self-adapting estimation chip is just able to achieve TYPE-C interface need to be increased, reduce cost.

In the description of this specification, reference term " embodiment ", " some embodiments ", " an implementation The description of example ", " some embodiments ", " example ", " specific example " or " some examples " etc. means to combine the embodiment or example Particular features, structures, materials, or characteristics described are contained at least one embodiment or example of the utility model.At this In specification, schematic expression of the above terms be may not refer to the same embodiment or example.Moreover, description is specific Feature, structure, material or feature can be combined in any suitable manner in any one or more of the embodiments or examples.

The above content is combine specific embodiment further detailed description of the utility model, and it cannot be said that The specific implementation of the utility model is only limited to these instructions.For the utility model person of an ordinary skill in the technical field For, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made.

Claims

1. a kind of mobile power source, which is characterized in that the mobile power source includes: TYPE-C interface, interface circuit, micro-control unit And charge-discharge circuit, the TYPE-C interface are connect with the interface circuit and the charge-discharge circuit respectively, the interface electricity Road is also connect with the micro-control unit, and the charge-discharge circuit is also connect with the micro-control unit, the TYPE-C interface The current signal of input is transmitted to the micro-control unit via the interface circuit, the micro-control unit identifies the electricity The charge-discharge circuit is controlled after stream signal and carries out charge or discharge, and the voltage rating of the mobile power source is located at 4.7V extremely Between 5.3V.

2. mobile power source as described in claim 1, which is characterized in that the micro-control unit passes through to the current signal It is adapter or electronic equipment that square wave, which is identified to obtain and is inserted in the TYPE-C interface, when being inserted in the TYPE-C When in interface is adapter, charge-discharge circuit described in the micro-control unit controls charges；When being inserted in the TYPE When in interface is electronic equipment, charge-discharge circuit described in the micro-control unit controls discharges.

3. mobile power source as described in claim 1, which is characterized in that the interface circuit include first resistor, second resistance, 3rd resistor, the 4th resistance and first switching element；The first end of the first resistor be respectively connected to the end VBUS, the end VB+, The second end of the first end of the end VB- and the first switching element, the first resistor is respectively connected to the second resistance The second end at first end and the end INT0, the second resistance is grounded, and the second end of the first switching element is respectively connected to The first end at the end Vout and the 3rd resistor, the control terminal of the first switching element are respectively connected to the 3rd resistor The second end of the first end of second end and the 4th resistance, the 4th resistance is connected to the end TYPEC.

4. mobile power source as claimed in claim 3, which is characterized in that the interface circuit further includes first capacitor, and described The first end of one capacitor is connect with the end VB-, the first end of the second end of the first capacitor and the first switching element Connection.

5. mobile power source as claimed in claim 4, which is characterized in that the first switching element is P-channel enhancement type field effect Answer transistor.

6. mobile power source as described in claim 1, which is characterized in that the micro-control unit includes identification circuit, the knowledge Other circuit is connect with the interface circuit.

7. mobile power source as claimed in claim 6, which is characterized in that the identification circuit includes second switch element, third Switch element, the 4th switch element, the 5th switch element, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th electricity Resistance and the tenth resistance；The first end of the second switch element is connect with the end Vout in the interface circuit, and described second opens The second end for closing element is respectively connected to the second end of the third switch element and the first end of the 5th resistance, and described the The control terminal of two switch elements be respectively connected to the second end of the 5th resistance, the control terminal of the third switch element and The end PULL, the first end of the third switch element are connected to the first end of the 6th resistance, and the second of the 6th resistance End is respectively connected to the first end at the end CC Yu the 7th resistance, the second end of the 7th resistance and the 4th switch element First end connection, the second end ground connection of the 4th switch element, the control terminal of the 4th switch element is respectively connected to The first end of 8th resistance and the first end of the 9th resistance, the second end of the 9th resistance are connected to the end DOWN, The second end of 8th resistance be respectively connected to the tenth resistance first end and the end CC, the of the tenth resistance Two ends are connect with the control terminal of the 5th switch element, the first end ground connection of the 5th switch element, the 5th switch The second end of element is connect with the end INT3.

8. mobile power source as claimed in claim 7, which is characterized in that the identification circuit is used for the side to the current signal Wave is identified to obtain identification signal, and the identification signal is transmitted to the micro-control unit.

9. mobile power source as claimed in claim 7, which is characterized in that the second switch element and the third switch element It is P-channel enhancement type field effect transistor, the 4th switch element and the 5th switch element are N-channel field-effect Transistor.

10. mobile power source as described in claim 1, which is characterized in that the charge-discharge circuit includes charge/discharge unit, protection Unit, battery core and detection unit；The charge/discharge unit is connect with the TYPE-C interface, the charge/discharge unit also respectively with The protection location and micro-control unit connection, the protection location also connect with the battery core and the detection unit respectively It connects, the detection unit is also connect with the micro-control unit.