CN208782200U - Built-up circuit and adapter - Google Patents

Abstract

The utility model relates to power-supply adapter technical field field, in particular to a kind of built-up circuit and adapter.The built-up circuit includes the first connecting pin, second connection end, agreement transmission circuit, electrical energy conversion circuit and protocol control circuitry, first connecting pin and second connection end are different interface or joint categories, first connecting pin is electrically connected with electrical energy conversion circuit, agreement transmission circuit, protocol control circuitry simultaneously, and protocol control circuitry is also all electrically connected with electrical energy conversion circuit, agreement transmission circuit, second connection end.Adapter uses above-mentioned built-up circuit.

Description

Built-up circuit and adapter

[technical field]

The utility model relates to power-supply adapter technical field, in particular to a kind of built-up circuit and adapter.

[background technique]

With the development of society, the improvement of people's living standards, portable electronics categories are more and more, such as hand Machine, computer, plate, mp4 etc..The power consumption of electronic product is gradually increased, it is necessary to the charging of electron product.In charging, by It is inconsistent in the port of data line and the electronic product port of charging, commonly use adapter.And the built-up circuit of existing adapter It is more complicated, it is not able to satisfy the demand of people

Therefore, a kind of simple built-up circuit of structure how is provided, just at the demand of power-supply adapter technical field！

[utility model content]

The technical issues of structure is complicated for the existing built-up circuit that overcomes, the utility model provides a kind of circuit structure Simple built-up circuit and adapter.

The utility model solve technical problem scheme be to provide a kind of built-up circuit, be used for external power supply, filled The electronic product of electricity is electrically connected, and with the charging of electron product, which includes the first connecting pin, second connection end, association Transmission circuit, electrical energy conversion circuit and protocol control circuitry are discussed, the first connecting pin and second connection end are different interfaces or connect Head type, the first connecting pin are electrically connected with electrical energy conversion circuit, agreement transmission circuit, protocol control circuitry simultaneously, agreement control Circuit processed is also all electrically connected with electrical energy conversion circuit, agreement transmission circuit, second connection end, and external power supply passes through the first connection End is that electrical energy conversion circuit is powered, and electrical energy conversion circuit provides operating voltage for protocol control circuitry, and protocol control circuitry passes through Second connection end obtains the first charge protocol of electronic product, and protocol control circuitry converts the first charge protocol of electronic product For the second charge protocol that external power supply can identify, protocol control circuitry is by agreement transmission circuit and the first connecting pin second Charge protocol is transferred to external power supply, and external power supply sends electric energy electron product according to the second charge protocol and charges.

Preferably, the protocol control circuitry includes protocol processing chip and controlled circuit, protocol processing chip simultaneously and Controlled circuit, agreement transmission circuit, electrical energy conversion circuit, second connection end are electrically connected, and controlled circuit is also all connected with first End, second connection end are electrically connected.

Preferably, the model PD2134 of the protocol processing chip.

Preferably, the controlled circuit includes resistance R11, mos pipe Q1 and triode Q2, and the first end of circuit R11 is simultaneously It is electrically connected with the source electrode of the first connecting pin, mos pipe Q1, the second end of resistance R11 is simultaneously and grid, the triode of mos pipe Q1 The collector of Q2 is electrically connected, and the base stage and protocol processing chip of triode Q2 is electrically connected, the grounded collector of triode Q2, The drain electrode of mos pipe Q1 and second connection end are electrically connected.

Preferably, the mos pipe Q1 is p-type mos pipe, and the triode Q2 is N-type triode.

Preferably, the controlled circuit further includes resistance R12, and the base stage of triode Q2 passes through resistance R12 and protocol processes Chip is electrically connected.

Preferably, the controlled circuit includes resistance R15 and capacitor C10, and the first of the first end of resistance R15, capacitor C10 End is all electrically connected with protocol processing chip, the second end ground connection of capacitor C10, second end and the second connection end electricity of resistance R15 Property connection.

Preferably, the controlled circuit further includes light emitting diode L1, light emitting diode L2 and resistance R10, described to shine Different pins electrically connect with protocol processing chip respectively for the first end of diode L1 and the first end of the light emitting diode L2 It connects, the second end of the second end of the light emitting diode L1 and the light emitting diode L2 are all electrical with the first end of resistance R10 Connection, the second end ground connection of the resistance R10.

Preferably, the electrical energy conversion circuit includes power conversion chip, capacitor C8 and capacitor C9, power conversion chip packet Input pin, output pin and grounding pin, the first end electric connection of the input pin and capacitor C8 are included, the input is drawn Foot is also electrically connected with the first connecting pin, and the first end of the output pin and capacitor C9 are electrically connected, and the output pin is also With protocol processing chip be electrically connected, the grounding pin, capacitor C8, C9 second end be all grounded.

The utility model also provides a kind of adapter, and the adapter uses above-mentioned built-up circuit.

Compared with prior art, the built-up circuit of the utility model includes the first connecting pin, second connection end, agreement transmission Circuit, electrical energy conversion circuit and protocol control circuitry, the first connecting pin and second connection end be different interface or joint categories, First connecting pin is electrically connected with electrical energy conversion circuit, agreement transmission circuit, protocol control circuitry simultaneously, and protocol control circuitry is also It is all electrically connected with electrical energy conversion circuit, agreement transmission circuit, second connection end, external power supply is electric energy by the first connecting pin Conversion circuit power supply, electrical energy conversion circuit are that protocol control circuitry provides suitable operating voltage, and protocol control circuitry passes through the Two connecting pins obtain the first charge protocol of electronic product, and protocol control circuitry is converted to the first charge protocol of electronic product The second charge protocol that external power supply can identify, protocol control circuitry are filled by agreement transmission circuit and the first connecting pin second Electric agreement is transferred to external power supply, and external power supply sends suitable electric energy electron product according to the second charge protocol and charges, turns It connects that circuit structure is simple, realizes the entry transmission of electric energy and data, charging effect is good, and charging rate is fast.

The controlled circuit of the utility model further includes light emitting diode L1, light emitting diode L2 and resistance R10, described to shine Different pins electrically connect with protocol processing chip respectively for the first end of diode L1 and the first end of the light emitting diode L2 It connects, the second end of the second end of the light emitting diode L1 and the light emitting diode L2 are all electrical with the first end of resistance R10 Connection, the second end ground connection of the resistance R10, light emitting diode L1, light emitting diode L2 can indicate the charging shape of built-up circuit State.

Compared with prior art, the adapter of the utility model uses above-mentioned built-up circuit, the switching electricity of adapter Line structure is simple, realizes the entry transmission of electric energy and data, charging effect is good, and charging rate is fast.

[Detailed description of the invention]

Fig. 1 is the circuit modular structure schematic diagram of the built-up circuit of the utility model.

Fig. 2 is the physical circuit schematic diagram of the first connecting pin of the built-up circuit of the utility model.

Fig. 3 is the physical circuit schematic diagram of the electrical energy conversion circuit of the built-up circuit of the utility model.

Fig. 4 is the circuit modular structure schematic diagram schematic diagram of the protocol control circuitry of the utility model.

Fig. 5 is the protocol control circuitry of the utility model and the physical circuit schematic diagram of second connection end.

Fig. 6 is the part physical circuit schematic diagram of the agreement transmission circuit of the utility model.

Fig. 7 is the physical circuit schematic diagram of another part of the agreement transmission circuit of the utility model.

Fig. 8 is the physical circuit schematic diagram of the another part of the agreement transmission circuit of the utility model.

Description of symbols: 10, built-up circuit；11, the first connecting pin；12, electrical energy conversion circuit；13, protocol integrated test system electricity Road；131, protocol processing chip；132, controlled circuit；14, agreement transmission circuit；15, second connection end.

[specific embodiment]

In order to make the purpose of this utility model, technical solution and advantage are more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to solve The utility model is released, is not used to limit the utility model.

Referring to Fig. 1, the utility model provides a kind of built-up circuit 10, it is used for a distinct interface or connector connects To carry out electric energy transmission, the charging of electron product, electronic product includes but is not limited to mobile phone, plate, laptop, intelligent phase Machine, smartwatch.The built-up circuit 10 includes the first connecting pin 11, second connection end 15, agreement transmission circuit 14, electric energy conversion Circuit 12 and protocol control circuitry 13, the first connecting pin 11 and second connection end 15 be different interface or joint categories, first Connecting pin 11 is electrically connected with electrical energy conversion circuit 12, agreement transmission circuit 14, protocol control circuitry 13 simultaneously, protocol integrated test system Circuit 13 is also all electrically connected with electrical energy conversion circuit 12, agreement transmission circuit 14, second connection end 15, and the first connecting pin 11 is used It is electrically connected in external power supply, such as power supply adaptor, mobile power source, the electronic product electricity that second connection end is used for and is electrically charged Property connection, external power supply by the first connecting pin 11 be electrical energy conversion circuit 12 power, electrical energy conversion circuit 12 be protocol integrated test system Circuit 13 provides suitable operating voltage, and protocol control circuitry 13 obtains the first charging of electronic product by second connection end 15 Agreement, the second charging that the first charge protocol of electronic product is converted to external power supply and can identified by protocol control circuitry 13 are assisted Second charge protocol is transferred to external electrical by agreement transmission circuit 14 and the first connecting pin 11 by view, protocol control circuitry 13 Source, external power supply send suitable electric energy electron product according to the second charge protocol and charge.

Referring to Fig. 2, the first connecting pin 11 can be various electric connection ports, plug etc., with adapter, band usb Socket of socket etc. provides the device connection of power supply.First link port includes but is not limited to usb-a connector, type-c connector With lightning connector.In the present embodiment, the first connecting pin 11 is type-c connector, to support USB-TypeC PD fast Fill the input port of agreement.Traditional electronic product being electrically charged does not support USB-TypeC PD fast charge agreement, using switching electricity Road can make traditional electronic product that is electrically charged charge using USB-TypeC PD fast charge agreement.First connecting pin 11 includes GND Pin, CC1 pin, CC2 pin and VBUS pin.Wherein, GND pin, VBUS pin are all multiple.Due to Type-c connector Pin arrangement position and function are all technology known to those skilled in the art, and the application repeats no more.Wherein CC1 pin and agreement Transmission circuit 14 is electrically connected, and CC2 pin is also electrically connected with agreement transmission circuit 14.VBUS pin is simultaneously and electric energy conversion is electric Road 12, protocol control circuitry 13 are electrically connected.It is appreciated that multiple VBUS pins can be connected in parallel.

Referring to Fig. 3, electrical energy conversion circuit 12 includes power conversion chip U6, capacitor C8 and capacitor C9, power supply converts core Piece U6 includes input pin (No. 2 pin Vin), output pin (No. 3 pin Vout) and grounding pin (No. 1 pin GND), institute The first end for stating input pin and capacitor C8 is electrically connected, and the output pin is also electrical with the VUBS pin of the first connecting pin 11 The first end of connection, the output pin and capacitor C9 are electrically connected, and the output pin is also electrical with protocol control circuitry 13 Connection, the grounding pin, capacitor C8, capacitor C9 second end be all grounded.In the present embodiment, the type of power conversion chip U6 It number is HT7533.

Referring to Figure 4 together and Fig. 5, protocol control circuitry 13 include protocol processing chip 131 (chip U5) and controlled electricity Road 132, protocol processing chip 131 connect with controlled circuit 132, agreement transmission circuit 14, electrical energy conversion circuit 12, second simultaneously It connects end 15 to be electrically connected, controlled circuit 132 is also all electrically connected with the first connecting pin 11, second connection end 15.

Protocol processing chip 131 obtains the first charge protocol of electronic product, protocol processes core by second connection end 15 Piece 131 is converted to the first charge protocol of electronic product the second charge protocol that external power supply can identify, protocol control circuitry 13 are transferred to external power supply the second charge protocol by agreement transmission circuit 14 and the first connecting pin 11, and external power supply is according to Two charge protocols send suitable electric energy to the first connecting pin 11, and rechargeable electrical energy reaches the second connection by protocol control circuitry 13 End 15.Suitable rechargeable electrical energy includes suitable charging voltage and/or suitable charging current.In the present embodiment.Protocol processes The model PD2134 of chip 131.Protocol processing chip 131 include VSS pin (No. 1 pin), P10 pin (No. 2 pins), P11 pin (No. 3 pins), P14 pin (No. 6 pins), P16 pin (No. 8 pins), P17 pin (No. 9 pins), P47 pin (No. 12 pins), P43 pin (No. 16 pins), P42 pin (No. 17 pins), P41 pin (No. 18 pins), P40 pin (19 Number pin) and VDD pin (No. 20 pins).Protocol control circuitry 13 further includes capacitor C7, and VSS pin passes through capacitor C7 and VDD Pin is electrically connected, and VSS is also grounded.VDD pin is also electrically connected with the output pin of power conversion chip U6.P10 pin, P11 pin, P43 pin, P42 pin, P41 pin and P40 pin are all electrically connected with agreement transmission circuit 14.P14 pin, P16 pin, P17 pin, P47 pin are all electrically connected with controlled circuit 132.

Controlled circuit 132 includes resistance R11, mos pipe Q1 and triode Q2, and the first end of circuit R11 connects with first simultaneously The source electrode of the VBUS pin, mos pipe Q1 that connect end 11 is electrically connected, the second end of resistance R11 simultaneously and the grid of mos pipe Q1, The collector of triode Q2 is electrically connected, and the base stage of triode Q2 and the P14 pin of protocol processing chip 131 are electrically connected, and three The grounded collector of pole pipe Q2, the drain electrode of mos pipe Q1 and second connection end 15 are electrically connected.Wherein, mos pipe Q1 is p-type mos Pipe, the triode Q2 are N-type triode.Controlled circuit 132 further includes resistance R12, and the base stage of triode Q2 passes through resistance R12 and protocol processing chip 131 are electrically connected.

Controlled circuit 132 further includes resistance R15 and capacitor C10, and the first end of resistance R15, the first end of capacitor C10 are all It is electrically connected with the P47 pin of protocol processing chip 131, the second end ground connection of capacitor C10, the second end of resistance R15 and the Two connecting pins 15 are electrically connected.

Controlled circuit 132 further includes light emitting diode L1, light emitting diode L2 and resistance R10, the light emitting diode L1 First end and the first end of the light emitting diode L2 different pins are electrically connected with protocol processing chip 131 respectively, tool Body, the P16 pin of the first end of light emitting diode L1 and protocol processing chip 131 is electrically connected, and the of light emitting diode L2 The P17 pin of one end and protocol processing chip 131 is electrically connected, the second end of the light emitting diode L1 and the light-emitting diodes The second end of pipe L2 is all electrically connected with the first end of resistance R10, the second end ground connection of the resistance R10.Light emitting diode L1, light emitting diode L2 are used to indicate charged state of the built-up circuit in charging, it is preferable that light emitting diode L1 is red hair Optical diode, light emitting diode L2 are green LED, and in built-up circuit charging, light emitting diode L1 is always on or dodges Bright, when fully charged, light emitting diode L2 is always on.

Referring to Figure 6 together, Fig. 7 and Fig. 8, agreement transmission circuit 14 include diode D1, diode D2, diode D3, Diode D4, resistance R1, resistance R2, analog signal switch chip U1, capacitor C1, resistance R3, capacitor C2, voltage stabilizing chip U2, electricity Hold C3, logic gate buffer U3, resistance R4, capacitor C4, resistance R36, resistance R5, resistance R6, resistance R7, capacitor C5, amplifier UA, capacitor C6, resistance R8, amplifier UB and resistance R9.

The first end of diode D1, the first end of diode D3, the first end of resistance R1 are electrically connected, two poles The first end of pipe D1 is also electrically connected with the CC1 pin of the first connecting pin 11, and the first end of diode D1 is also opened with analog signal It closes chip U1 to be electrically connected, the second end of diode D1, the second end of diode D3, the second end of resistance R1 are all grounded.

The first end of diode D2, the first end of diode D4, the first end of resistance R2 are electrically connected, two poles The first end of pipe D2 is also electrically connected with the CC2 pin of the first connecting pin 11, and the first end of diode D2 is also opened with analog signal It closes chip U1 to be electrically connected, the second end of diode D2, the second end of diode D4, the second end of resistance R2 are all grounded.

The model of analog signal switch chip U1 is SGM3005 comprising pin VDD (No. 1 pin), NO1 pin (No. 2 Pin), COM1 pin (No. 3 pins), IN1 pin (No. 4 pins), IN2 pin (No. 8 pins), COM2 pin (No. 9 pins) With NO2 pin (No. 10 pins).The VDD pin of analog signal switch chip U1 is grounded by capacitor C1, analog signal switch core The VDD pin of piece U1 is also electrically connected with the output pin of power conversion chip.The NO1 pin of analog signal switch chip U1 and The first end of resistance R4 is electrically connected.The COM1 pin of analog signal switch chip U1 and the first end of diode D3 electrically connect It connects.The IN1 pin of analog signal switch chip U1 and the P10 pin of protocol processing chip 131 are electrically connected.Analog signal is opened It closes the IN2 pin of chip U1 and is electrically connected with the P11 pin of protocol processing chip 131, analog signal switch chip U1's The first end of COM2 pin and diode D2 are electrically connected, NO2 pin and the analog signal switch of analog signal switch chip U1 The NO1 pin of chip U1 is electrically connected.

The model of voltage stabilizing chip U2 is ME6216A15M3, and voltage stabilizing chip U2 draws including No. 1 pin, No. 2 pins and No. 3 Foot.

The model of logic gate buffer U3 is NC7SV125P5X, and logic gate buffer U3 draws including No. 1 pin, No. 2 pins, No. 3 Foot, No. 4 pins and No. 5 pins.

The second end of resistance R4 and No. 4 pins of logic gate buffer U3 are electrically connected, and No. 3 pins of logic gate buffer U3 connect Ground, No. 2 pins of logic gate buffer U3 and the P43 pin of protocol processing chip 131 are electrically connected, and No. 1 of logic gate buffer U3 Pin and the P42 pin of protocol processing chip 131 are electrically connected, No. 1 pin of logic gate buffer U3 also with resistance R3 first End is electrically connected, and the second end of resistance R3 and the first end of capacitor C2 are electrically connected, and the first end of capacitor C2 is also converted with power supply The output pin of chip is electrically connected, and the first end of capacitor C2 is also electrically connected with No. 3 pins of voltage stabilizing chip U2, voltage stabilizing chip No. 1 pin of U2 is grounded, and No. 2 pins of voltage stabilizing chip U2 and the first end of capacitor C3 are electrically connected, and the first end of capacitor C3 is also It is electrically connected with the first end of capacitor C4, the second end ground connection of capacitor C3, the second end ground connection of capacitor C4, the first end of capacitor C4 Also it is electrically connected with No. 5 pins of logic gate buffer U3.Wherein, No. 1 pin of logic gate buffer U3 draws electrical node B3, No. 2 pins that No. 2 pins of logic gate buffer U3 draw electrical node B2, voltage stabilizing chip U2 draw electrical node B14, pressure stabilizing The first end that No. 3 pins of chip U2 draw electrical node B13, resistance R4 draws electrical node T23, wherein electrical node B2, Whether B3, B13, B14, T23 are electrical testing point, normal for testing circuit.

The first end of resistance R4 and the first end of resistance R36 are electrically connected, and the second end of resistance R36 and amplifier UB's is same Phase input terminal is electrically connected, and the reverse input end of amplifier UB draws the negative power end ground connection of electrical node T21, amplifier UB, The positive power source terminal of amplifier UB and the output pin of power conversion chip U6 are electrically connected, and the output end of amplifier UB passes through electricity Hinder R9 and power conversion chip U6 output pin be electrically connected, the output end of amplifier UB also with protocol processing chip 131 P40 pin be electrically connected, the output end of amplifier UB simultaneously draws electrical node B5.Wherein electrical property node B5, T21 are electrically Whether test point is normal for testing circuit.

The reverse input end of amplifier UB also passes through resistance R7 and is grounded, and the reverse input end of amplifier UB also passes through resistance R6 It is electrically connected with the non-inverting input terminal of amplifier UA, the non-inverting input terminal of amplifier UA draws electrical node T20, amplifier UA Non-inverting input terminal also pass through resistance R5 and power conversion chip U6 output pin be electrically connected, the reversed input of amplifier UA End is grounded by capacitor C5, and the reverse input end of amplifier UA draws the negative power end ground connection of electrical node T22, amplifier UA, The positive power source terminal of amplifier UA and the output pin of power conversion chip U6 are electrically connected, and the output end of amplifier UA draws electricity Property node B4, the P41 pin of the output end of amplifier UA and protocol processing chip 131 is electrically connected.The output end of amplifier UA It is also electrically connected with the first end of resistance R8, the second end of resistance R8 is grounded by capacitor C6, and the second end of resistance R8 is also and electric The output pin of source conversion chip U6 is electrically connected.Wherein electrical property node T20, T22, B4 are electrical testing point, for testing electricity Whether road is normal

When in use, the first connecting pin 11 of external power supply and built-up circuit 10 is electrically connected, and the second of built-up circuit 10 Connecting pin 15 and the port of electronic product to be charged are electrically connected.External power supply is electric energy conversion by the first connecting pin 11 Circuit 12 is powered, and electrical energy conversion circuit 12 is that protocol control circuitry 13 provides suitable operating voltage, and protocol control circuitry 13 is logical Cross the first charge protocol that second connection end 15 obtains electronic product, first charging of the protocol control circuitry 13 electronic product Protocol conversion is the second charge protocol that external power supply can identify, protocol control circuitry 13 passes through agreement transmission circuit 14 and first Second charge protocol is transferred to external power supply by connecting pin 11, external power supply according to the second charge protocol send suitable electric energy to Electronic product charging.

The utility model also provides a kind of adapter, which uses above-mentioned built-up circuit.

Compared with prior art, the built-up circuit of the utility model includes the first connecting pin, second connection end, agreement transmission Circuit, electrical energy conversion circuit and protocol control circuitry, the first connecting pin and second connection end be different interface or joint categories, First connecting pin is electrically connected with electrical energy conversion circuit, agreement transmission circuit, protocol control circuitry simultaneously, and protocol control circuitry is also It is all electrically connected with electrical energy conversion circuit, agreement transmission circuit, second connection end, external power supply is electric energy by the first connecting pin Conversion circuit power supply, electrical energy conversion circuit are that protocol control circuitry provides suitable operating voltage, and protocol control circuitry passes through the Two connecting pins obtain the first charge protocol of electronic product, and protocol control circuitry is converted to the first charge protocol of electronic product The second charge protocol that external power supply can identify, protocol control circuitry are filled by agreement transmission circuit and the first connecting pin second Electric agreement is transferred to external power supply, and external power supply sends suitable electric energy electron product according to the second charge protocol and charges, turns It connects that circuit structure is simple, realizes the entry transmission of electric energy and data, charging effect is good, and charging rate is fast.

The controlled circuit of the utility model further includes light emitting diode L1, light emitting diode L2 and resistance R10, described to shine Different pins electrically connect with protocol processing chip respectively for the first end of diode L1 and the first end of the light emitting diode L2 It connects, the second end of the second end of the light emitting diode L1 and the light emitting diode L2 are all electrical with the first end of resistance R10 Connection, the second end ground connection of the resistance R10, light emitting diode L1, light emitting diode L2 can indicate the charging shape of built-up circuit State.

Compared with prior art, the adapter of the utility model uses above-mentioned built-up circuit, the switching electricity of adapter Line structure is simple, realizes the entry transmission of electric energy and data, charging effect is good, and charging rate is fast.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modification within the principle of utility model, equivalent replacement and improvement etc. should all include the protection scope of the utility model Within.

Claims (10)

1. a kind of built-up circuit is used to be electrically connected with external power supply, the electronic product being electrically charged, be filled with electron product Electricity, it is characterised in that: the built-up circuit include the first connecting pin, second connection end, agreement transmission circuit, electrical energy conversion circuit and Protocol control circuitry, the first connecting pin and second connection end are different interface or joint categories, and the first connecting pin is simultaneously and electric Can conversion circuit, agreement transmission circuit, protocol control circuitry be electrically connected, protocol control circuitry also all with electrical energy conversion circuit, Agreement transmission circuit, second connection end are electrically connected, and external power supply is electrical energy conversion circuit power supply, electric energy by the first connecting pin Conversion circuit provides operating voltage for protocol control circuitry, and protocol control circuitry obtains the of electronic product by second connection end One charge protocol, protocol control circuitry are converted to the first charge protocol of electronic product the second charging that external power supply can identify Second charge protocol is transferred to external power supply by agreement transmission circuit and the first connecting pin by agreement, protocol control circuitry, outside Portion's power supply sends the charging of electric energy electron product according to the second charge protocol.

2. built-up circuit as described in claim 1, it is characterised in that: the protocol control circuitry include protocol processing chip and Controlled circuit, protocol processing chip is simultaneously and controlled circuit, agreement transmission circuit, electrical energy conversion circuit, second connection end are electrical Connection, controlled circuit are also all electrically connected with the first connecting pin, second connection end.

3. built-up circuit as claimed in claim 2, it is characterised in that: the model PD2134 of the protocol processing chip.

4. built-up circuit as claimed in claim 2, it is characterised in that: the controlled circuit include resistance R11, mos pipe Q1 and The first end of triode Q2, circuit R11 are electrically connected with the source electrode of the first connecting pin, mos pipe Q1 simultaneously, and the second of resistance R11 End is electrically connected with the collector of the grid of mos pipe Q1, triode Q2 simultaneously, base stage and the protocol processing chip electricity of triode Q2 Property connection, the grounded collector of triode Q2, the drain electrode of mos pipe Q1 and second connection end are electrically connected.

5. built-up circuit as claimed in claim 4, it is characterised in that: the mos pipe Q1 is p-type mos pipe, the triode Q2 For N-type triode.

6. built-up circuit as claimed in claim 4, it is characterised in that: the controlled circuit further includes resistance R12, triode Q2 Base stage be electrically connected by resistance R12 and protocol processing chip.

7. built-up circuit as claimed in claim 2, it is characterised in that: the controlled circuit includes resistance R15 and capacitor C10, First end, the first end of capacitor C10 of resistance R15 is all electrically connected with protocol processing chip, the second end ground connection of capacitor C10, The second end and second connection end of resistance R15 is electrically connected.

8. built-up circuit as claimed in claim 4, it is characterised in that: the controlled circuit further includes light emitting diode L1, hair The first end of optical diode L2 and resistance R10, the first end of the light emitting diode L1 and the light emitting diode L2 respectively and The different pins of protocol processing chip are electrically connected, and the of the second end of the light emitting diode L1 and the light emitting diode L2 Two ends are all electrically connected with the first end of resistance R10, the second end ground connection of the resistance R10.

9. built-up circuit as described in claim 1, it is characterised in that: the electrical energy conversion circuit include power conversion chip, Capacitor C8 and capacitor C9, power conversion chip include input pin, output pin and grounding pin, the input pin and capacitor The first end of C8 is electrically connected, and the input pin is also electrically connected with the first connecting pin, the output pin and capacitor C9's First end is electrically connected, and the output pin is also electrically connected with protocol processing chip, the grounding pin, capacitor C8, C9 Second end is all grounded.

10. a kind of adapter, it is characterised in that: the adapter uses switching electricity as described in any one of claims 1 to 9 Road.