CN201717454U

CN201717454U - Socket board with alternating current power module and direct current power module

Info

Publication number: CN201717454U
Application number: CN2009201638531U
Authority: CN
Inventors: 曾令豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-07-03
Filing date: 2009-07-03
Publication date: 2011-01-19
Anticipated expiration: 2019-07-03

Abstract

The utility model relates to a socket board with an alternating current power module and a direct current power module, which belongs to a power connecting device. The socket board comprises a plug, an input earth wire, an input live wire, an input null line, a switch and alternating current output, and is characterized in that the alternating current output adopts an alternating current power module, and the socket board also comprises a direct current power module and a direct current output main base. The socket board solves the problems that an alternating current power supply of the original socket board is not convenient to change and alternating current can not be converted into direct current. The socket board is widely applied to families and other places where power supply is required.

Description

The socket of band AC power supply module and DC power supplier

Technical field

The utility model relates to a kind of socket as jockey, particularly a kind of socket with AC power supply module and DC power supplier.

Background technology

At present, known socket can only provide the alternating current of 110V-220V, 50HZ, and AC power is changed inconvenient; AC power can not be converted to the DC direct current, but the working power of considerable part electrical equipment, the DC direct current that also needs 5V-12V, 5W-15W, so use various power supply adaptors (mobile phone, digital product: shooting in a large number, photography, MP3, MP4 ...), cause the constant of great waste and use.

Summary of the invention

The purpose of this utility model is to overcome drawback of the prior art and deficiency, and a kind of socket with AC power supply module and DC power supplier is provided.

The utility model comprises plug, input ground wire, input live wire, input zero line, switch, interchange output,, it is characterized in that: exchange and be output as AC power supply module, and comprise DC power supplier, direct current output female seat.

Compared following advantage with socket in the past:

1. can directly provide direct current supply.

2. low-voltage power supply is safer.

3. can change AC power supply module or DC power supplier easily according to using needs.

4. adopt the functions of modules design, can make things convenient for newly-increased other function as required.

The utility model adopts interchangeable DC power supplier, allows the user can directly use the direct current of needs, and various adapters are used in simple and effective minimizing.

The utility model also comprises charging indicator light.

Fig. 1 is circuit theory diagrams of the present utility model.

Fig. 2 is the electrical schematic diagram of the utility model DC power supplier

Embodiment:

Describe below in conjunction with accompanying drawing.

In Fig. 1, plug 1 is drawn three leads-input ground wire 2, input live wire 3, input zero line 4, input ground wire 2, input zero line 4 are directly connected to AC power supply module 8 and DC power supplier 7, input live wire 3 is connected to AC power supply module 8 and DC power supplier 7 by switch 9, and direct current output female seat 5 is used for direct current output.

6 is charging indicator light, flashes in the charging process, as the indication of charging.

In Fig. 2, the end of the interchange of DC power supplier input AC inserts two inputs of rectifier bridge D1-D4 respectively with the other end that exchanges input AC of DC power supplier after by fusing resistor RF1, the output negative pole of rectifier bridge D1-D4 connects the negative pole of electrochemical capacitor C1, one end of inductance L 1 and an end of resistance R 1, the other end of the other end of inductance L 1 and resistance R 1 inserts the negative pole of electrochemical capacitor C2, the source end S of single-chip switching power supply typical module TinySwitch, one end of the output negative pole of optical coupler U2 and capacitor C 7, and process capacitor C 3 inserts branch terminal (Bypass) BP of single-chip switching power supply typical module TinySwitch, the emitter of another termination transistor Q1 of capacitor C 7, the negative pole of electrochemical capacitor C5, the secondary end 12 of transformer T1 and an end of resistance R 4, the other end of resistance R 4 connects the base stage of transistor Q1 by resistance R 6, and connect the positive pole of voltage stabilizing didoe ZD by resistance R 5, the negative pole of LED, the output negative pole end RTN of the negative pole of electrochemical capacitor C6 and DC power supplier, the positive pole of one termination LED of resistance R 10, the output cathode end Vo+ of another termination DC power supplier of resistance R 10, one end of the positive pole of electrochemical capacitor C6 and inductance L 2, the positive pole of another termination electrochemical capacitor C5 of inductance L 2, the negative pole of diode D5, connect the negative pole of voltage stabilizing didoe ZD and the input positive pole of optical coupler U2 by resistance R 7, connect the input negative pole of optical coupler U2 and an end of resistance R 9 by resistance R 8, the collector electrode of another termination transistor Q1 of resistance R 9, the secondary other end 11 of the cathode connecting transformer T1 of diode D5, the primary side 10 of transformer T1 is an end of the same name with the secondary end 11 of transformer T1, it connects the drain D of positive pole and the single-chip switching power supply typical module TinySwitch of diode D6, startup (Enable) the end EN of single-chip switching power supply typical module TinySwitch connects the output cathode of optical coupler U2, diode D6 negative pole connects an end of capacitor C 4 and an end of resistance R 2, the primary side 13 of another termination transformer T1 of the other end of capacitor C 4 and resistance R 2, the positive pole of electrochemical capacitor C2, the output cathode of the positive pole of electrochemical capacitor C1 and rectifier bridge D1-D4.

Transistor Q1 is the NPN type.

The model of single-chip switching power supply typical module TinySwitch is elected TNY254P as, by combining with of the present utility model, can reach stable properties.

The voltage stabilizing value of voltage stabilizing didoe ZD is preferably 4.0-4.6V, and optimum value is 4.3V.

The model of optical coupler U2 is preferably PC817, and it can stably transmit signal with of the present utility model the combination.

The circuit of Fig. 2 is applicable to the 85-265V input ac voltage, work as follows: the input AC electricity is through the D1-D4 rectifier bridge, through by inductance L 1 and the ∏ mode filter that electrochemical capacitor C1, electrochemical capacitor C2 constitute, obtain high direct voltage again, resistance R 1 is the damping resistance of inductance L 1.Utilize the frequency characteristic of TNY254P, capacitor C 7 (safe Y electric capacity) can satisfy the international standard that suppresses the conduction-type electromagnetic interference (EMI).Constitute clamping protective circuit by diode D6, capacitor C 4 and resistance R 2, the peak voltage that is added on the drain D in the time of MOSFET integrated in the single-chip switching power supply typical module TinySwitch being turn-offed is limited in the safe range.Optical coupler U2, resistance R 9, transistor Q1, resistance R 4, resistance R 5, resistance R 6 constitute the constant pressure and flow control ring.Output voltage V o+ is by the forward voltage drop (Uf ≈ 1V) of the input light-emitting diode among the optical coupler U2 (model is preferably PC817) and the voltage stabilizing value (Uz=4.0-4.6V of voltage stabilizing didoe ZD, optimum value is 4.3V) set i.e. Uo=Uf+Uz ≈ 5.0-5.6V (optimum value is 5.2V) jointly.The secondary voltage of transformer T1 behind diode D5, electrochemical capacitor C5, inductance L 2 and electrochemical capacitor C6 rectifying and wave-filtering, the output voltage of acquisition+5.0-5.6V (optimum value is 5.2V).Constitute current regulator by transistor Q1, resistance R 4 (as current sense resistor) and optical coupler U2.When output current during near 700mA, because the pressure drop on the resistance R 4 raises, the emitter voltage Ube of transistor Q1 is also increased, Q1 enters the amplification region, and this moment, current regulator began to work, and output is constant-current characteristics.Resistance R 6 is as the base stage current-limiting resistance.

Claims

1. socket with AC power supply module and DC power supplier, it is characterized in that: comprise plug (1) draw three leads-input ground wire (2), the input live wire (3), the input zero line (4), input ground wire (2), input zero line (4) are directly connected to AC power supply module (8) and DC power supplier (7), input live wire (3) is connected to AC power supply module (8) and DC power supplier (7) by switch (9), and direct current output female seat (5) is used for direct current output.

2. the socket of band AC power supply module according to claim 1 and DC power supplier is characterized in that: also comprise charging indicator light (6).

3. the socket of band AC power supply module according to claim 1 and 2 and DC power supplier, it is characterized in that: the end of the interchange of DC power supplier input AC inserts two inputs of rectifier bridge D1-D4 respectively with the other end that exchanges input AC of DC power supplier after by fusing resistor RF1, the output negative pole of rectifier bridge D1-D4 connects the negative pole of electrochemical capacitor C1, one end of inductance L 1 and an end of resistance R 1, the other end of the other end of inductance L 1 and resistance R 1 inserts the negative pole of electrochemical capacitor C2, the source end S of single-chip switching power supply typical module TinySwitch, one end of the output negative pole of optical coupler U2 and capacitor C 7, and process capacitor C 3 inserts the branch terminal Bypass BP of single-chip switching power supply typical module TinySwitch, the emitter of another termination transistor Q1 of capacitor C 7, the negative pole of electrochemical capacitor C5, the secondary end 12 of transformer T1 and an end of resistance R 4, the other end of resistance R 4 connects the base stage of transistor Q1 by resistance R 6, and connect the positive pole of voltage stabilizing didoe ZD by resistance R 5, the negative pole of LED, the output negative pole end RTN of the negative pole of electrochemical capacitor C6 and DC power supplier, the positive pole of one termination LED of resistance R 10, the output cathode end Vo+ of another termination DC power supplier of resistance R 10, one end of the positive pole of electrochemical capacitor C6 and inductance L 2, the positive pole of another termination electrochemical capacitor C5 of inductance L 2, the negative pole of diode D5, connect the negative pole of voltage stabilizing didoe ZD and the input positive pole of optical coupler U2 by resistance R 7, connect the input negative pole of optical coupler U2 and an end of resistance R 9 by resistance R 8, the collector electrode of another termination transistor Q1 of resistance R 9, the secondary other end 11 of the cathode connecting transformer T1 of diode D5, the primary side 10 of transformer T1 is an end of the same name with the secondary end 11 of transformer T1, it connects the drain D of positive pole and the single-chip switching power supply typical module TinySwitch of diode D6, the startup Enable end EN of single-chip switching power supply typical module TinySwitch connects the output cathode of optical coupler U2, diode D6 negative pole connects an end of capacitor C 4 and an end of resistance R 2, the primary side 13 of another termination transformer T1 of the other end of capacitor C 4 and resistance R 2, the positive pole of electrochemical capacitor C2, the output cathode of the positive pole of electrochemical capacitor C1 and rectifier bridge D1-D4.

4. the socket of band AC power supply module according to claim 3 and DC power supplier is characterized in that: the model of the single-chip switching power supply typical module TinySwitch of DC power supplier is TNY254P.

5. the socket of band AC power supply module according to claim 4 and DC power supplier is characterized in that: the voltage stabilizing value of the voltage stabilizing didoe ZD of DC power supplier is 4.0-4.6V.

6. the socket of band AC power supply module according to claim 5 and DC power supplier is characterized in that: the voltage stabilizing value of the voltage stabilizing didoe ZD of DC power supplier is 4.3V.

7. according to the socket of claim 4 or 5 described band AC power supply modules and DC power supplier, it is characterized in that: the model of optical coupler U2 is PC817.