CN207504754U - Has the direct current of power saving function with exchanging output circuit - Google Patents
Has the direct current of power saving function with exchanging output circuit Download PDFInfo
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- CN207504754U CN207504754U CN201721393191.8U CN201721393191U CN207504754U CN 207504754 U CN207504754 U CN 207504754U CN 201721393191 U CN201721393191 U CN 201721393191U CN 207504754 U CN207504754 U CN 207504754U
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- 238000004804 winding Methods 0.000 claims abstract description 94
- 239000004065 semiconductor Substances 0.000 claims abstract description 49
- 230000005611 electricity Effects 0.000 claims description 8
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The utility model discloses a kind of direct current for having power saving function with exchanging output circuit, it includes power circuit unit, Auxiliary Power Units, the first DC output unit, the second DC output unit and exchange output unit, Auxiliary Power Units and is provided with primary source unit, secondary power unit and the first transformer unit.Second auxiliary winding one end by being electrically connected the anode of third diode by the utility model, the second auxiliary winding other end is electrically connected to the cathode of the 4th diode, the cathode terminal of third diode corresponds to the voltage output end of the first DC output unit, the cathode of 4th diode corresponds to the voltage output end of the second DC output unit, by pressure drop the first DC output unit of guarantee of third diode and the 4th diode and the output voltage of the second DC output unit in the range of nominal tension；Increase switch module simultaneously to control the break-make of the second metal-oxide-semiconductor so that exchange output unit reduces the idling consumption in circuit when printing computer is under standby mode.
Description
Technical field
The utility model is related to consumer electronics fields, defeated with exchanging more particularly, to a kind of direct current for having power saving function
Go out circuit.
Background technology
Power saving regulations are more and more harsh at present, more and more exquisite to energy saving, and traditional prints calculator is in standby work(
It consumes in 0.8W to 1.0W etc., since the function of printing calculator is to need multigroup D/C voltage output (32V/22.5V/5V), adds
Upper one group of AC voltage output (6V), cause loss be more than it is general be single group voltage output adapter.
In addition, the use habit of people’s lives articles for use, attaching plug is all to be inserted on socket always, hardly goes to pull out
Fall, lead to meaningless power consumption.
Fig. 1 is traditional output circuit, can be with output voltage number in multigroup output voltage usually transformer winding
Directly proportional, in multivoltage output circuit, load regulation is an important indicator, under feedback circuit identical conditions, it is assumed that straight
The load of the 22.5V output terminals of output unit is flowed under full load conditions, the load of 32V output terminals is circuit in the case of the underloading of pole
The duty ratio of action can increase, make 22.5V output terminals output voltage should not low remaining sum constant voltage, but the output of 32V output terminals
Voltage can higher be more than rated voltage, so to add resistance R30, the voltage that 32V output voltages can just exported on circuit
Less than rated voltage.
On the contrary, the load of 32V output terminals is under full load conditions, the loads of 22.5V output terminals in the case of the underloading of pole and
The same situation so will be added in every road output terminal increases a load resistance, can just allow the output of every group of output terminal
Voltage can reach specification requirement in different loads, but quite be an invisible loss plus this load resistance,
It is become apparent from instead when output circuit is in no-load standby.
In addition there is an exchange output unit, be to account for major part from no-load loss amount ratio, because of alternating current circuit
It is middle use simplest self-oscillation pattern, as long as input circuit access power supply, the DC output unit of output circuit and
Exchange output unit has electric energy loss, and wherein Power mechanical switch is that printing calculator is made to enter operating mode and standby mould
Formula.
Utility model content
Based on this, it is necessary to for above-mentioned background technology there are the problem of, provide it is a kind of have power saving function direct current and friendship
Output circuit is flowed, reduces the idling consumption in circuit, ensures voltage output in the range of nominal tension.
To achieve the above object, the utility model discloses a kind of direct current for having power saving function with exchanging output circuit,
Including.
The power circuit unit, Auxiliary Power Units, the first DC output unit, in one of the embodiments,
Two DC output units and exchange output unit, the power circuit unit are used for external alternating current, and the Auxiliary Power Units are set
It is equipped with primary source unit, secondary power unit and the first transformer unit, the power circuit unit and primary source unit
It is electrically connected, first transformer unit is electrically connected between the primary source unit and secondary power unit, described
First transformer unit is provided with the first main winding, the first auxiliary winding, the second auxiliary winding and third auxiliary winding；
First DC output unit includes third diode, the 6th capacitance, the 7th capacitance and the 7th resistance, and described the
Anode and the 6th capacitance one end of third diode, the second auxiliary winding other end electricity is electrically connected in two auxiliary winding one end
Property the second DC output unit of connection, described 6th capacitance one end is electrically connected the 7th resistance one end, the third diode
The 7th resistance other end and the 7th capacitance one end is electrically connected in cathode, and the 7th capacitance other end ground connection is described
The cathode terminal of third diode corresponds to the voltage output end of the first DC output unit；
Second DC output unit includes the 4th diode, the 8th capacitance, the 9th capacitance and the 8th resistance, and described the
Anode and the 8th capacitance one end of the 4th diode, the third auxiliary winding ground connection, institute is electrically connected in three auxiliary winding one end
It states the 8th capacitance other end and is electrically connected the 8th resistance one end, the second auxiliary winding other end is electrically connected the 4th diode
The 8th resistance other end and the 9th capacitance one end, the 9th electricity is electrically connected in cathode, the cathode of the 4th diode
Hold other end ground connection, the cathode of the 4th diode corresponds to the voltage output end of the second DC output unit；
The exchange output unit includes switch module, on-off circuit module and AC output module, the switching circuit
Module includes the second metal-oxide-semiconductor, the tenth resistance and the 11st resistance, and drain electrode the second direct current of electric connection of second metal-oxide-semiconductor is defeated
Go out the voltage output end of unit, the grid of second metal-oxide-semiconductor is electrically connected switch module one end by the tenth resistance, described to open
The voltage output end that the module other end is electrically connected the first DC output unit is closed, the 11st resistance both ends electrically connect respectively
The grid and source electrode of the second metal-oxide-semiconductor are connect, the source electrode of second metal-oxide-semiconductor is electrically connected AC output module one end.
The switch module includes second switch in one of the embodiments, and described second switch one end is straight with first
It flows output unit to be electrically connected, the second switch other end is electrically connected by the grid of the tenth resistance and the second metal-oxide-semiconductor.
The AC output module includes the second transformer unit, the 12nd resistance, the tenth in one of the embodiments,
Three resistance, the second triode, third transistor, the tenth capacitance and inductance, second transformer unit be provided with the second master around
Group, third main winding, the 4th main winding, the 4th auxiliary winding and the 5th auxiliary winding, second main winding connect with third main winding
It connects, described inductance one end is electrically connected the source electrode of the second metal-oxide-semiconductor, and the inductance other end is electrically connected at the second main winding and the
Between three main windings, the 12nd resistance one end and the 13rd resistance one end, institute is electrically connected in the source electrode of second metal-oxide-semiconductor
State one end of base stage and the 4th main winding that the 12nd resistance other end is electrically connected in the second triode, the described 13rd
The other end of the base stage and the 4th main winding in third transistor is electrically connected in the resistance other end, second triode
Collector is electrically connected at second main winding one end, and the collector of the third transistor is electrically connected at third main winding one
End, the tenth capacitance both ends are electrically connected the collector of the collector and third transistor of the second triode, and described the
The emitter of two triodes and the emitter of third transistor are electrically connected and are grounded；4th auxiliary winding and the 5th auxiliary winding
Connection, the 4th auxiliary winding and the 5th auxiliary winding are used for output AC voltage.
The primary source unit includes chip unit, first resistor, second resistance, the in one of the embodiments,
Three resistance, the 4th resistance, the first capacitance, the second capacitance, the first diode and the first metal-oxide-semiconductor, the first capacitance both ends difference
It is electrically connected power circuit unit both ends, the negative pole end ground connection of first capacitance, second capacitance and the 4th resistor coupled in parallel
Connection, described 4th resistance one end are electrically connected respectively with the positive terminal of the first capacitance and first main winding one end, and the described 4th
The cathode of the resistance other end and the first diode is electrically connected, the other end of first main winding respectively with the first diode
The drain electrode of anode and the first metal-oxide-semiconductor is electrically connected, and the grid of first metal-oxide-semiconductor and the control terminal of chip unit are electrically connected,
The source electrode of first metal-oxide-semiconductor is electrically connected by the test side of 3rd resistor and chip unit, and the first resistor electrically connects
It is connected between the grid and source electrode of the first metal-oxide-semiconductor, the source electrode of first metal-oxide-semiconductor is grounded by second resistance.
The secondary power unit includes the second diode, the first triode, third electricity in one of the embodiments,
Appearance, the 4th capacitance, the 5th capacitance, zener diode, the 5th resistance and the 6th resistance, the first auxiliary winding one end difference are electrical
Anode and the 5th capacitance one end of the second diode are connected, the first auxiliary winding other end is grounded, and the 5th capacitance is another
End the 5th resistance one end of electric connection, the cathode of the second diode of the 5th resistance other end electric connection, the described 2nd 2
The collector of third capacitance one end and the first triode, another termination of the third capacitance is electrically connected in the cathode of pole pipe
Ground, the emitter of first triode are electrically connected the 4th capacitance one end, and the 4th capacitance other end is grounded, and described first
For exporting 5V voltages, the base stage of first triode and the cathode of zener diode are electrically connected the emitter of triode,
The collector and base of the first triode is electrically connected in the plus earth of the zener diode, the 6th resistance both ends
Pole.
In conclusion the direct current of the utility model tool power saving function is with exchanging output circuit by by second auxiliary winding one end
The anode of third diode is electrically connected, the second auxiliary winding other end is electrically connected to the cathode of the 4th diode, simultaneously
The cathode terminal of third diode is coordinated to correspond to the voltage output end of the first DC output unit, the cathode of the 4th diode corresponds to
The voltage output end of second DC output unit ensures the first direct current output by the pressure drop of third diode and the 4th diode
The output voltage of unit and the second DC output unit is in the defined range of nominal tension；Meanwhile increase switch module
Control the break-make of the second metal-oxide-semiconductor so that exchange output unit is reduced when printing computer is under standby mode in circuit
Idling consumption.
Description of the drawings
Fig. 1 is the circuit diagram of the traditional output circuit of the utility model；
Fig. 2 is that the utility model has circuit diagram of the direct current of power saving function with exchanging output circuit.
Specific embodiment
As shown in Fig. 2, the direct current of the utility model tool power saving function includes power circuit unit with exchanging output circuit
100th, Auxiliary Power Units 200, the first DC output unit 300, the second DC output unit 400 and exchange output unit 500,
The power circuit unit 100 is used for external alternating current, and the Auxiliary Power Units 200 are provided with primary source unit 210, secondary
220 and first transformer unit 230 of power supply unit, the power circuit unit 100 are electrically connected with primary source unit 210,
For the secondary power unit 220 for exporting 5V supply voltages, first transformer unit 230 is electrically connected at the primary
Between power supply unit 210 and secondary power unit 220.
First transformer unit 230 is provided with the first main winding Na, the first auxiliary winding Nd, the second auxiliary winding Nc and
Three auxiliary winding Nb, the primary source unit 210 include chip unit U, first resistor R1, second resistance R2,3rd resistor Ra,
4th resistance Rs, the first capacitance CE1, the second capacitance Cs, the first diode Dp and the first metal-oxide-semiconductor Q1, the first capacitance CE1 two
100 both ends of power circuit unit, the negative pole end ground connection of the first capacitance CE1, the second capacitance Cs is electrically connected in end
Be connected in parallel with the 4th resistance Rs, described 4th resistance Rs one end respectively with the positive terminal and the first main winding of the first capacitance CE1
Na one end is electrically connected, and the cathode of the 4th resistance Rs other ends and the first diode Dp are electrically connected, described first lead around
The other end of group Na is electrically connected respectively with the drain electrode of the anode of the first diode Dp and the first metal-oxide-semiconductor Q1, first metal-oxide-semiconductor
The grid of Q1 is electrically connected with the control terminal of chip unit U, and the source electrode of the first metal-oxide-semiconductor Q1 passes through 3rd resistor Ra and chip
The test side of unit U is electrically connected, and the first resistor R1 is electrically connected between the grid and source electrode of the first metal-oxide-semiconductor Q1, institute
The source electrode for stating the first metal-oxide-semiconductor Q1 is grounded by second resistance R2.
The secondary power unit 220 includes the second diode D9, the first triode Q2, third capacitance C10, the 4th capacitance
C11, the 5th capacitance C15, zener diode ZD2, the 5th resistance R32 and the 6th resistance R17, described first auxiliary winding Nd one end point
It is not electrically connected anode and the 5th capacitance C15 one end of the second diode D9, the first auxiliary winding Nd other ends ground connection is described
The 5th capacitance C15 other ends are electrically connected the 5th resistance R32 one end, and the 5th resistance R32 other ends are electrically connected the two or two
Third capacitance C10 one end and the first triode Q2 is electrically connected in the cathode of pole pipe D9, the cathode of the second diode D9
Collector, the other end ground connection of the third capacitance C10, the emitter of the first triode Q2 is electrically connected the 4th capacitance
C11 one end, the 4th capacitance C11 other ends ground connection, the emitter of the first triode Q2 are described for exporting 5V voltages
The base stage of first triode Q2 is electrically connected with the cathode of zener diode ZD2, the plus earth of the zener diode ZD2,
The collector and base stage of the first triode Q2 is electrically connected in the 6th resistance R17 both ends.
First DC output unit 300 includes third diode D8, the 6th capacitance C16, the 7th capacitance C12 and the 7th
Anode and the 6th capacitance C16 one end of third diode D8 is electrically connected in resistance R24, described second auxiliary winding Nc one end,
The second auxiliary winding Nc other ends are electrically connected the second DC output unit 400, and described 6th capacitance C16 one end is electrically connected
The 7th resistance R24 other ends and the 7th is electrically connected in 7th resistance R24 one end, the cathode of the third diode D8
Capacitance C12 one end, the 7th capacitance C12 other ends ground connection, the cathode terminal of the third diode D8 correspond to the first direct current
The voltage output end of output unit 300, for exporting 32V DC voltages.
Second DC output unit 400 includes the 4th diode D7, the 8th capacitance C6, the electricity of the 9th capacitance C8 and the 8th
R16 is hindered, anode and the 8th capacitance C6 one end of the 4th diode D7 is electrically connected in described third auxiliary winding Nb one end, described
Third auxiliary winding Nb is grounded, and the 8th capacitance C6 other ends are electrically connected the 8th resistance R16 one end, the second auxiliary winding Nc
The other end is electrically connected the cathode of the 4th diode D7, and the 8th resistance is electrically connected in the cathode of the 4th diode D7
The R16 other ends and the 9th capacitance C8 one end, the 9th capacitance C8 other ends ground connection, the cathode of the 4th diode D7 correspond to
The voltage output end of second DC output unit 400, for exporting 22.5V DC voltages.
The exchange output unit 500 includes switch module 510, on-off circuit module 520 and AC output module 530,
The on-off circuit module 520 includes the second metal-oxide-semiconductor Qc, the tenth resistance Rd and the 11st resistance Re, the second metal-oxide-semiconductor Qc's
Drain electrode is electrically connected the voltage output end of the second DC output unit 400, and the grid of the second metal-oxide-semiconductor Qc passes through the tenth resistance
Rd is electrically connected 510 one end of switch module, and 510 other end of switch module is electrically connected the first DC output unit 300
Voltage output end, the grid and source electrode of the second metal-oxide-semiconductor Qc is electrically connected in the 11st resistance Re both ends, for the tenth
Resistance Rd is divided, will not be too high with the voltage for ensureing the tenth resistance Rd；The source electrode of the second metal-oxide-semiconductor Qc, which is electrically connected, to be handed over
530 one end of output module is flowed, the AC output module 530 is used to export 6V alternating voltages；When switch module 510 is closed,
The voltage output end of first DC output unit 300 is connected with the grid of the second metal-oxide-semiconductor Qc, and the second metal-oxide-semiconductor Qc conductings then exchange
Output unit 500 exports 6V alternating voltages；When switch module 510 disconnects, the grid of the second metal-oxide-semiconductor Qc is in low level shape
State, the second metal-oxide-semiconductor Qc cut-off, exchange output unit 500 will not output voltage, therefore greatly reduce exchange output unit 500 exist
Printing computer is in the energy loss under standby mode.
Specifically, the AC output module 530 is constructed for traditional push-pull circuit, and the AC output module 530 wraps
Include the second transformer unit T2A, the 12nd resistance Rc, the 13rd resistance Rb, the second triode Qa, third transistor Qb, the tenth
Capacitance Ca and inductance La, the second transformer unit T2A be provided with the second main winding Ne, third main winding Nf, the 4th master around
Group Ng, the 4th auxiliary winding Nh and the 5th auxiliary winding Ni, the second main winding Ne are connect with third main winding Nf, the inductance La
One end is electrically connected the source electrode of the second metal-oxide-semiconductor Qc, and the inductance La other ends are electrically connected at the second main winding Ne and third master
Between winding Nf, the 12nd resistance Rc one end and the 13rd resistance Rb mono- is electrically connected in the source electrode of the second metal-oxide-semiconductor Qc
End, the 12nd resistance Rc other ends be electrically connected the second triode Qa base stage and the 4th main winding Ng one
End, the 13rd resistance Rb other ends be electrically connected third transistor Qb base stage and the 4th main winding Ng it is another
End, the collector of the second triode Qa are electrically connected at second main winding Ne one end, the current collection of the third transistor Qb
Pole is electrically connected at third main winding Nf one end, and the current collection of the second triode Qa is electrically connected in the tenth capacitance Ca both ends
Pole and the collector of third transistor Qb, the emitter of the emitter and third transistor Qb of the second triode Qa electrically connect
It connects and is grounded；The 4th auxiliary winding Nh and the 5th auxiliary winding Ni connections, the 4th auxiliary winding Nh and the 5th auxiliary winding Ni are used
In output 6V alternating voltages.
The switch module 510 includes first switch SW1 and second switch SW2 in one of the embodiments, wherein,
First switch SW1 is acted together with second switch SW2, and first switch SW1 and second switch SW2 is collectively constituted to have power saving function
Total power switch of the direct current with exchanging output circuit, the first switch SW1 is for allowing printing computer to enter operating mode
Or standby mode, the second switch SW2 are used to that the first DC output unit 300 to be allowed to provide supply voltage to on-off circuit module
520。
Specifically, described first switch SW1 one end is electrically connected the emitter of the first triode Q2, the first switch
The SW1 other ends are used to provide voltage to the operating mode of printing computer；Described second switch SW2 one end and the first direct current output
Unit 300 is electrically connected, and the second switch SW2 other ends are electrically connected by the grid of the tenth resistance Rd and the second metal-oxide-semiconductor Qc
It connects.
During the utility model specific works, the first DC output unit 300 provides 32V DC voltages, the second direct current output
Unit 400 provides 22.5V DC voltages, when the output loading of the second DC output unit 400 is under full load conditions, even if first
The output loading of DC output unit 300 is pole light load condition, and the output voltage of the first DC output unit 300 will not be high
Go out very much, because in the case of 400 full load of the second DC output unit, it is larger to flow through electric current, at this time by the 4th diode
There are one D7, and pressure drop exists, so when the second auxiliary winding Nc is connected to the cathode terminal of the 4th diode D7, the first direct current output
The output voltage of unit 300 can deduct the pressure drop of the 4th diode D7, therefore the output voltage of the first DC output unit 300 is still
In the range of rated voltage；On the contrary, the output loading for working as the first DC output unit 300 is under full load conditions, even if the
The output loading of two DC output units 400 is pole light load condition, and the electric current of the first DC output unit 300 flows through the four or two
Pole pipe D7 can also generate pressure drop, along with the pressure drop for flowing through third diode D8, so duty ratio adds in identical feedback circuit
Greatly, the output voltage of the first DC output unit 300 and the second DC output unit 400 is in the defined range of nominal tension
It is interior.
In conclusion the direct current of the utility model tool power saving function is with exchanging output circuit by by the second auxiliary winding Nc mono-
The anode of third diode D8 is electrically connected in end, and the second auxiliary winding Nc other ends are electrically connected to the moon of the 4th diode D7
Pole, while the cathode terminal of third diode D8 is coordinated to correspond to the voltage output end of the first DC output unit 300, the four or two pole
The cathode of pipe D7 corresponds to the voltage output end of the second DC output unit 400, passes through third diode D8 and the 4th diode D7
Pressure drop ensure the output voltage of the first DC output unit 300 and the second DC output unit 400 in defined specified electricity
In the range of pressure；Meanwhile increase switch module 510 to control the break-make of the second metal-oxide-semiconductor Qc so that exchange output unit 500 is being beaten
Print computer reduces the idling consumption in circuit when being under standby mode.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed,
But it should not be interpreted as limiting the scope of the present invention.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (5)
1. a kind of direct current for having power saving function is with exchanging output circuit, it is characterised in that：Including power circuit unit, accessory power supply
Unit, the first DC output unit, the second DC output unit and exchange output unit, the power circuit unit is for external
Alternating current, the Auxiliary Power Units are provided with primary source unit, secondary power unit and the first transformer unit, the power supply
Circuit unit and primary source unit are electrically connected, first transformer unit be electrically connected at the primary source unit with
Between secondary power unit, first transformer unit is provided with the first main winding, the first auxiliary winding, the second auxiliary winding and
Three auxiliary winding；
First DC output unit includes third diode, the 6th capacitance, the 7th capacitance and the 7th resistance, and described second is secondary
Anode and the 6th capacitance one end of third diode is electrically connected in winding one end, and the second auxiliary winding other end electrically connects
The second DC output unit is connect, described 6th capacitance one end is electrically connected the 7th resistance one end, the cathode of the third diode
The 7th resistance other end and the 7th capacitance one end, the 7th capacitance other end ground connection, the third is electrically connected
The cathode terminal of diode corresponds to the voltage output end of the first DC output unit；
Second DC output unit includes the 4th diode, the 8th capacitance, the 9th capacitance and the 8th resistance, the third pair
Winding one end is electrically connected anode and the 8th capacitance one end of the 4th diode, the third auxiliary winding ground connection, and described the
The eight capacitance other ends are electrically connected the 8th resistance one end, and the second auxiliary winding other end is electrically connected the moon of the 4th diode
The 8th resistance other end and the 9th capacitance one end, the 9th capacitance is electrically connected in pole, the cathode of the 4th diode
The other end is grounded, and the cathode of the 4th diode corresponds to the voltage output end of the second DC output unit；
The exchange output unit includes switch module, on-off circuit module and AC output module, the on-off circuit module
Including the second metal-oxide-semiconductor, the tenth resistance and the 11st resistance, the drain electrode of second metal-oxide-semiconductor is electrically connected the second direct current output list
The voltage output end of member, the grid of second metal-oxide-semiconductor are electrically connected switch module one end, the switching molding by the tenth resistance
The block other end is electrically connected the voltage output end of the first DC output unit, and the 11st resistance both ends are electrically connected the
The grid and source electrode of two metal-oxide-semiconductors, the source electrode of second metal-oxide-semiconductor are electrically connected AC output module one end.
2. the direct current of tool power saving function according to claim 1 is with exchanging output circuit, it is characterised in that：The switching molding
Block includes second switch, and described second switch one end is electrically connected with the first DC output unit, the second switch other end
It is electrically connected by the grid of the tenth resistance and the second metal-oxide-semiconductor.
3. the direct current of tool power saving function according to claim 1 or 2 is with exchanging output circuit, it is characterised in that：The friendship
It flows output module and includes the second transformer unit, the 12nd resistance, the 13rd resistance, the second triode, third transistor, the tenth
Capacitance and inductance, second transformer unit be provided with the second main winding, third main winding, the 4th main winding, fourth officer around
Group and the 5th auxiliary winding, second main winding are connect with third main winding, and described inductance one end is electrically connected the second metal-oxide-semiconductor
Source electrode, the inductance other end are electrically connected between the second main winding and third main winding, the source electrode point of second metal-oxide-semiconductor
Not electricity Xing Lianjie the 12nd resistance one end and the 13rd resistance one end, the 12nd resistance other end is electrically connected
One end of the base stage of two triodes and the 4th main winding, the 13rd resistance other end are electrically connected in third transistor
Base stage and the 4th main winding the other end, the collector of second triode is electrically connected at second main winding one end, institute
The collector for stating third transistor is electrically connected at third main winding one end, and the tenth capacitance both ends are electrically connected second
The collector of triode and the collector of third transistor, the emitter of second triode and the emitter of third transistor
It is electrically connected and is grounded；4th auxiliary winding and the connection of the 5th auxiliary winding, the 4th auxiliary winding and the 5th auxiliary winding are used for
Output AC voltage.
4. the direct current of tool power saving function according to claim 1 or 2 is with exchanging output circuit, it is characterised in that：It is described first
Level power supply unit include chip unit, first resistor, second resistance, 3rd resistor, the 4th resistance, the first capacitance, the second capacitance,
Power circuit unit both ends, first electricity is electrically connected in first diode and the first metal-oxide-semiconductor, the first capacitance both ends
The negative pole end ground connection of appearance, second capacitance connect with the 4th resistor coupled in parallel, described 4th resistance one end respectively with the first capacitance
Positive terminal and first main winding one end be electrically connected, the cathode of the 4th resistance other end and the first diode electrically connects
It connects, the other end of first main winding is electrically connected respectively with the drain electrode of the anode of the first diode and the first metal-oxide-semiconductor, described
The grid of first metal-oxide-semiconductor and the control terminal of chip unit are electrically connected, and the source electrode of first metal-oxide-semiconductor passes through 3rd resistor and core
The test side of blade unit is electrically connected, and the first resistor is electrically connected between the grid and source electrode of the first metal-oxide-semiconductor, and described the
The source electrode of one metal-oxide-semiconductor is grounded by second resistance.
5. the direct current of tool power saving function according to claim 1 or 2 is with exchanging output circuit, it is characterised in that：Described time
Level power supply unit includes the second diode, the first triode, third capacitance, the 4th capacitance, the 5th capacitance, zener diode, the
The anode and the 5th capacitance one of the second diode is electrically connected in five resistance and the 6th resistance, described first auxiliary winding one end
End, the first auxiliary winding other end ground connection, the 5th capacitance other end are electrically connected the 5th resistance one end, the 5th electricity
The cathode that the other end is electrically connected the second diode is hindered, third capacitance one end is electrically connected in the cathode of second diode
And first triode collector, the other end ground connection of the third capacitance, the emitter of first triode is electrically connected
4th capacitance one end, the 4th capacitance other end ground connection, the emitter of first triode are described for exporting 5V voltages
The base stage of first triode and the cathode of zener diode are electrically connected, the plus earth of the zener diode, and the described 6th
The collector and base stage of the first triode is electrically connected in resistance both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721393191.8U CN207504754U (en) | 2017-10-26 | 2017-10-26 | Has the direct current of power saving function with exchanging output circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721393191.8U CN207504754U (en) | 2017-10-26 | 2017-10-26 | Has the direct current of power saving function with exchanging output circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207504754U true CN207504754U (en) | 2018-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721393191.8U Expired - Fee Related CN207504754U (en) | 2017-10-26 | 2017-10-26 | Has the direct current of power saving function with exchanging output circuit |
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| CN (1) | CN207504754U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733212A (en) * | 2017-10-26 | 2018-02-23 | 东莞启益电器机械有限公司 | Has the direct current of power saving function with exchanging output circuit |
| CN110071647A (en) * | 2019-04-01 | 2019-07-30 | 邓依诺 | A kind of middle school student's Experiment of Electrical Circuits power-supply system |
-
2017
- 2017-10-26 CN CN201721393191.8U patent/CN207504754U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733212A (en) * | 2017-10-26 | 2018-02-23 | 东莞启益电器机械有限公司 | Has the direct current of power saving function with exchanging output circuit |
| CN107733212B (en) * | 2017-10-26 | 2024-04-16 | 东莞启益电器机械有限公司 | DC and AC output circuit with energy-saving function |
| CN110071647A (en) * | 2019-04-01 | 2019-07-30 | 邓依诺 | A kind of middle school student's Experiment of Electrical Circuits power-supply system |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180615 |