CN106816941A - The electric razor that can efficiently charge - Google Patents
The electric razor that can efficiently charge Download PDFInfo
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- CN106816941A CN106816941A CN201710179317.XA CN201710179317A CN106816941A CN 106816941 A CN106816941 A CN 106816941A CN 201710179317 A CN201710179317 A CN 201710179317A CN 106816941 A CN106816941 A CN 106816941A
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- resistance
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- battery
- circuit
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- 238000000034 method Methods 0.000 claims abstract description 24
- 230000008569 process Effects 0.000 claims abstract description 24
- 238000007600 charging Methods 0.000 claims abstract description 20
- 238000004804 winding Methods 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 description 6
- 238000001914 filtration Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H02J7/022—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
- B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
- B26B19/3873—Electric features; Charging; Computing devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- H02J7/027—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses the electric razor that can efficiently charge, including shaver body, charging system is provided with the shaver knife body, the charging system includes power input process circuit and battery charge circuit, the power input process circuit is provided with two inputs, the first output end and the second output end, battery charge circuit is provided with first input end and the second input, and first output end and the second output end of power input process circuit are connected with the first input end and the second input of battery charge circuit respectively.The shaver charging system simple structure that the present invention is set, it is multiple functional, use safe ready.
Description
Technical field
The present invention relates to a kind of razors, and in particular to the electric razor that can efficiently charge.
Background technology
Although electric shaver volume is larger, victory is safe and convenient to use, and shaving session comparative comfort, in spite of
A little users represent that some electric shavers shave sordid problem, but this problem with electric shaver manufacturing technology not
Disconnected to improve, situation has got better every day.Electric shaver is main by shell, motor, guard, inner blade and interior knife knife rest group
Into the multiplex plastics of shell, guard uses stainless steel, the multiplex carbon steel of inner blade to be made, the operation principle essence of electric shaver
On be shearing mechanism, inner blade and guard inner surface close fit, beard and hair are stretched into its hole slot from guard outside, interior knife
Piece rotation or reciprocating action at a high speed, relative motion is formed with guard, so as to the beard and hair that will stretch into cut off.Current electricity palpus
The fixed head disposable razor that knife is used mainly has two kinds：With rotatably, from motion principle, the former is past by cutter head or so to net pattern
Multiple motion, shaves off beard, constantly acceleration, the deceleration in reciprocating motion due to cutter head, and vibrations and noise are larger when using；Rotatably
Fixed head disposable razor is in central rotational run, and circular motion can continuously be carried out unidirectionally cutting and shaved the beard, and not only makes to shave cleaner
Thoroughly, beard will not be pullled and produces discomfort, and it is quiet shockproof during operation, shave more docile.In addition, electric shaver whether
It is also that user should be considerable in selection with functions such as floating cutter, veneer adjustment.
Although present electric shaver comparative maturity, charging circuit system is huger, electronic component
Compare many, once wherein certain electronic device goes wrong, will result in charge, and bad maintenance.
The content of the invention
The technical problems to be solved by the invention are to overcome the deficiencies in the prior art, there is provided the electric shaving that can efficiently charge
Palpus device, it passes through to provide a kind of simple and reliable charging system, and the charging system simple structure is multiple functional, uses
Safe ready.
The present invention is achieved through the following technical solutions：
The electric razor that can efficiently charge, including shaver body, are provided with the shaver knife body and fill
Electric system, the charging system includes power input process circuit and battery charge circuit, and the power input process circuit sets
Two inputs, the first output end and the second output end are equipped with, battery charge circuit is provided with first input end and the second input
End, first output end and the second output end of power input process circuit respectively with the first input end of battery charge circuit and the
Two inputs are connected.Charging system of the invention only includes power input process circuit and battery charge circuit two parts, function
The division of labor is clear and definite, and system architecture is simple and reliable, uses safe ready.
Further, the power input process circuit includes transformer, triode, the 4th resistance, the 5th resistance, the 6th
Resistance, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity and the 4th diode, the primary coil of the transformer include primary winding
And secondary coil；One end of the primary winding of the transformer connects with one end of the 6th resistance and one end of the 4th electric capacity simultaneously
Connect, the other end of the primary winding of transformer is connected with the base stage of triode, the other end of the 6th resistance simultaneously with the 3rd electric capacity
One end and the 4th diode positive pole connection, the other end of the 4th electric capacity is simultaneously relative with the 3rd electric capacity to connect the 6th resistance
One end connection of the other end and the 5th resistance, the other end of the 5th resistance is connected with the colelctor electrode of triode, the transmitting of triode
Pole is connected with one end of the secondary coil of transformer, and the other end of the secondary coil of transformer is connected to the 6th resistance and the four or two
On the connected circuit of pole pipe, the 5th electric capacity is in parallel with the secondary coil of transformer, the negative pole of the 4th diode and the 4th resistance
One end connects, the other end of the 4th resistance as power input process circuit an input, the relative connection of the 5th resistance the
The other end of four electric capacity as power input process circuit another input, the two ends of the secondary coil of transformer are made respectively
It is first output end and the second output end of power input process circuit.In the present invention, two of power input process circuit are defeated
Enter end to be electrically connected with alternating current 220V city, the civil power of connection by the 4th diode and the filtering of the 3rd capacitance rectifier, the 4th resistance, the
Five resistance, the 6th resistance, triode, transformer, the 3rd electric capacity and the 5th electric capacity constitute self-excitation back-coupled generator, after rectifying and wave-filtering
Civil power power for self-excitation back-coupled generator, first, electric current through the 4th resistance, the 6th resistance and transformer once
Coil provides bias current, triode ON for the base stage of triode, when conducting electric current flows through the secondary coil of transformer,
Because of transformer electromagnetic induction, the pulse induction voltage of a positive feedback and transistor base electric current can be generated in primary winding,
Then triode enters continuous oscillation state, now, pulse low-voltage can be induced on the secondary coil of transformer, is that battery fills
Electrical circuit is powered.
Further, the battery charge circuit includes motor, battery, switch, first resistor, second resistance, the 3rd
Resistance, the first electric capacity, the second electric capacity, the first diode and the 3rd diode, the battery are dc-battery, and the 3rd diode is
Light emitting diode；One end of the first resistor is connected with the negative pole of the first diode, and the positive pole of the first diode is simultaneously with the
One end connection of one end of two resistance and the first electric capacity, the other end of second resistance is connected with one end of the second electric capacity, the second electricity
The other end of the first diode of connection relative with the first electric capacity and one end of 3rd resistor connect the other end of appearance simultaneously, the 3rd electricity
The other end of resistance is connected with the positive pole of the 3rd diode, negative pole and second resistance first diode of relative connection of the 3rd diode
Other end connection, the positive pole of the battery other end of connection second resistance relative with the second electric capacity and one end company for switching simultaneously
Connect, the negative pole of battery is connected with the negative pole of the 3rd diode, the other end of switch is connected with one end of motor, motor it is another
One end is connected with the negative pole of battery；The other end of first resistor the first diode of relative connection is used as the first of battery charge circuit
Input, the second electric capacity connects the other end of second resistance as the second input of battery charge circuit relatively.Using this hair
When bright, the first input end of battery charge circuit and the second input respectively with the first output end of power input process circuit and
Second output end is connected, and the display of the 3rd diode is charged and indicated, and charge circuit is by the first diode, first resistor, second resistance
Constituted with 3rd resistor, the first diode plays rectified action, in addition, the first electric capacity and the second electric capacity composition filter network, when
It is after charging is finished, charging circuit is electrically disconnected from city, during for shaving, depresses button switch, then battery is to the electronic of shaver
Machine is powered, and is allowed to rotation and is shaved.
Further, the line being also connected with the second electric capacity in battery including the second diode, second Diode series
Lu Shang, and the positive pole of the second diode and the second electric capacity is connected, the negative pole of the second diode is connected with battery.The present invention passes through
Second diode is set, rectified action can be not only played, circuit is powered more steady, while also functioning to the work of electrical isolation
With, make dc-battery after fully charged can only to the motor of shaver, improve service efficiency, it is to avoid waste of energy.
The present invention compared with prior art, has the following advantages and advantages：1st, the shaver that the present invention is set fills
Electric circuit structure is simple, multiple functional, uses safe ready；2nd, the present invention can be with by setting the second diode, not only
Rectified action is played, circuit is powered more steady, be dc-battery after fully charged while also function to the effect of electrical isolation
Service efficiency can only be improved, it is to avoid waste of energy to the motor of shaver；3rd, by setting fuse, can be to filling
Overcurrent protection is carried out in circuit, peak current burns out the electronic device in circuit when preventing city's electro-mechanical wave, extension shaver
Service life.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention.
Mark and corresponding parts title in accompanying drawing：
T-transformer, GB-battery, SB-switch, M-motor, Q1-triode, D1-the first diode, D2-
Second diode, the diodes of D3-the 3rd, the diodes of D4-the 4th, R1-first resistor, R2-second resistance, R3-the 3rd electricity
Resistance, the resistance of R4-the 4th, the resistance of R5-the 5th, the resistance of R6-the 6th, C1-the first electric capacity, C2-the second electric capacity, C3-the 3rd
Electric capacity, the electric capacity of C4-the 4th, the electric capacity of C5-the 5th.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
It is limitation of the invention.
Embodiment
Such as the electric razor that Fig. 1, present invention offer can efficiently charge, including shaver body, shaver knife sheet
Charging system is provided with vivo, and charging system includes power input process circuit and battery charge circuit, power input treatment electricity
Road is provided with two inputs, the first output end and the second output end, and battery charge circuit is provided with first input end and second
Input, first output end and the second output end of power input process circuit respectively with the first input end of battery charge circuit
Connected with the second input.
Power input process circuit includes transformer T, triode Q1, the 4th resistance R4, the 5th resistance R5, the 6th resistance
R6, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5 and the 4th diode D4, the primary coil of transformer T include primary line
Circle N1 and secondary coil N2；One end of the primary winding N1 of transformer T one end simultaneously with the 6th resistance R6 and the 4th electric capacity C4
One end connection, the other end of the primary winding N1 of transformer T is connected with the base stage of triode Q1, the other end of the 6th resistance R6
It is connected with one end of the 3rd electric capacity C3 and the positive pole of the 4th diode D4 simultaneously, the other end of the 4th electric capacity C4 is simultaneously electric with the 3rd
Hold one end connection of the other end and the 5th resistance R5 of the 6th resistance R6 of the relative connections of C3, the other end of the 5th resistance R5 and three poles
The colelctor electrode connection of pipe Q1, the emitter stage of triode Q1 is connected with one end of the secondary coil N2 of transformer T, and the two of transformer T
The other end of secondary coil N2 is connected on the connected circuits of the 6th resistance R6 and the 4th diode D4, the 5th electric capacity C5 and transformer
The secondary coil N2 of T is in parallel, and the negative pole of the 4th diode D4 is connected with one end of the 4th resistance R4, the other end of the 4th resistance R4
Used as an input of power input process circuit, the other end of the 4th electric capacity C4 of the relative connections of the 5th resistance R5 is used as power supply
Another input of input processing circuit, the two ends of the secondary coil of transformer T are respectively as power input process circuit
First output end and the second output end.
Battery charge circuit includes motor M, battery GB, switch SB, first resistor R1, second resistance R2,3rd resistor
R3, the first electric capacity C1, the second electric capacity C2, the first diode D1, the second diode D2 and the 3rd diode D3, battery GB are direct current
Battery, the 3rd diode (D3) is light emitting diode；One end of first resistor R1 is connected with the negative pole of the first diode D1, and first
The positive pole of diode D1 is connected with one end of second resistance R2 and one end of the first electric capacity C1 simultaneously, the other end of second resistance R2
One end with the second electric capacity C2 is connected, and the other end of the second electric capacity C2 is while the first diode D1 of connection relative with the first electric capacity C1
The other end, one end of 3rd resistor R3 and the second diode D2 positive pole connection, the other end of 3rd resistor R3 and the three or two
The positive pole connection of pole pipe D3, the other end of the first diode D1 of the relative connection of negative pole and second resistance R2 of the 3rd diode D3 connects
Connect, the positive pole of battery GB is connected with the positive pole of the second diode D2 and one end of switch SB simultaneously, the negative pole of battery GB and the 3rd
The negative pole connection of diode D3, the other end for switching SB is connected with one end of motor M, the other end and the battery GB of motor M
Negative pole connection；The other end of the first diode D1 of the relative connections of first resistor R1 is input into as the first of battery charge circuit
End, the second electric capacity C2 connects the other end of second resistance R2 as the second input of battery charge circuit relatively.
When implementing the present embodiment, two inputs and the alternating current 220V city of power input process circuit are electrically connected, connection
Civil power is by the 4th diode D4 and the 3rd electric capacity C3 rectifying and wave-filterings, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, three
Pole pipe Q1, transformer T and the 5th electric capacity C5 constitute self-excitation back-coupled generator, and the civil power after rectifying and wave-filtering is self-excitation back-coupled generator
Power supply, first, electric current is triode through the primary winding N1 of the 4th resistance R4, the primary coil of the 6th resistance R6 and transformer T
The base stage of Q1 provides bias current, and triode Q1 is turned on, when conducting electric current flows through the secondary coil N2 of the primary coil of transformer T, because
The electromagnetic induction of transformer T, can generate a positive feedback in the pulse induction of triode Q1 base currents in primary winding N1
Voltage, then triode Q1 enter continuous oscillation state, now, pulse low-voltage can be induced on the secondary coil of transformer T,
For battery charge circuit is powered.The input of charging circuit is connected with electric main 220V, and the 3rd diode D3 display chargings refer to
Show, charge circuit is made up of the first diode D1, first resistor R1, second resistance R2 and 3rd resistor R3, the first diode D1
Rectified action is played, in addition, the first electric capacity C1 and the second electric capacity C2 composition filter networks, after charging is finished, by charging circuit
Electrically disconnected from city, during for shaving, depresses button switchs SB, then battery GB powers to the motor M of shaver, is allowed to rotation and shaves
Must, the charging circuit configuration of the charging system is simple, multiple functional, uses safe ready；In addition, the present embodiment is by setting
The second diode D2 is put, rectified action can be not only played, circuit is powered more steady, while also functioning to the work of electrical isolation
With, dc-battery is powered to the motor M of shaver after fully charged, improve service efficiency, it is to avoid waste of energy.
Above-described specific embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that and the foregoing is only specific embodiment of the invention, be not intended to limit the present invention
Protection domain, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc. all should include
Within protection scope of the present invention.
Claims (4)
1. the electric razor that can efficiently charge, including shaver body, charging is provided with the shaver knife body
System, it is characterised in that the charging system includes power input process circuit and battery charge circuit, at the power input
Reason circuit is provided with two inputs, the first output end and the second output end, battery charge circuit be provided with first input end and
Second input, first output end and the second output end of power input process circuit are first defeated respectively with battery charge circuit
Enter end and the connection of the second input.
2. the electric razor that can efficiently charge according to claim 1, it is characterised in that at the power input
Reason circuit includes transformer (T), triode (Q1), the 4th resistance (R4), the 5th resistance (R5), the 6th resistance (R6), the 3rd electricity
Hold (C3), the 4th electric capacity (C4), the 5th electric capacity (C5) and the 4th diode (D4), the primary coil of the transformer (T) includes
Primary winding (N1) and secondary coil (N2)；
One end of the primary winding (N1) of the transformer (T) simultaneously with one end of the 6th resistance (R6) and the 4th electric capacity (C4)
One end connects, and the other end of the primary winding (N1) of transformer (T) is connected with the base stage of triode (Q1), the 6th resistance (R6)
The other end is connected with one end of the 3rd electric capacity (C3) and the positive pole of the 4th diode (D4) simultaneously, the other end of the 4th electric capacity (C4)
One end connection of the other end of the 6th resistance (R6) of connection relative with the 3rd electric capacity (C3) and the 5th resistance (R5), the 5th electricity simultaneously
The other end for hindering (R5) is connected with the colelctor electrode of triode (Q1), the emitter stage of triode (Q1) and the secondary line of transformer (T)
One end connection of (N2) is enclosed, the other end of the secondary coil (N2) of transformer (T) is connected to the 6th resistance (R6) and the four or two pole
On the connected circuit of pipe (D4), the 5th electric capacity (C5) is in parallel with the secondary coil (N2) of transformer (T), the 4th diode (D4)
Negative pole is connected with one end of the 4th resistance (R4), and the other end of the 4th resistance (R4) is defeated as one of power input process circuit
Enter end, the 5th resistance (R5) connects the other end of the 4th electric capacity (C4) as another input of power input process circuit relatively
End, the first output end and the second output end of the two ends of the secondary coil of transformer (T) respectively as power input process circuit.
3. the electric razor that can efficiently charge described in 1 is required according to right, it is characterised in that the battery fills
Electrical circuit include motor (M), battery (GB), switch (SB), first resistor (R1), second resistance (R2), 3rd resistor (R3),
First electric capacity (C1), the second electric capacity (C2), the first diode (D1) and the 3rd diode (D3), the battery (GB) are direct current
Pond, the 3rd diode (D3) is light emitting diode；
One end of the first resistor (R1) is connected with the negative pole of the first diode (D1), and the positive pole of the first diode (D1) is simultaneously
It is connected with one end of second resistance (R2) and one end of the first electric capacity (C1), the other end and the second electric capacity of second resistance (R2)
(C2) one end connection, the other end the first diode of the connection relative with the first electric capacity (C1) (D1) simultaneously of the second electric capacity (C2)
The positive pole of one end connection of the other end and 3rd resistor (R3), the other end of 3rd resistor (R3) and the 3rd diode (D3) connects
Connect, the other end connection of the negative pole and second resistance (R2) the first diode of relative connection (D1) of the 3rd diode (D3), battery
(GB) other end of connection second resistance (R2) relative with the second electric capacity (C2) and one end of switch (SB) connect positive pole simultaneously,
The negative pole of battery (GB) is connected with the negative pole of the 3rd diode (D3), and one end of the other end and motor (M) that switch (SB) connects
Connect, the other end of motor (M) is connected with the negative pole of battery (GB)；First resistor (R1) the first diode of relative connection (D1)
The other end as battery charge circuit first input end, the other end of the relative connection second resistance (R2) of the second electric capacity (C2) makees
It is the second input of battery charge circuit.
4. the electric razor that can efficiently charge according to claim 3, it is characterised in that also including the two or two pole
Pipe (D2), second diode (D2) is connected on the circuit that battery (GB) is connected with the second electric capacity (C2), and the two or two pole
The pipe positive pole of (D2) and being connected for the second electric capacity (C2), the negative pole of the second diode (D2) are connected with battery (GB).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710179317.XA CN106816941A (en) | 2017-03-23 | 2017-03-23 | The electric razor that can efficiently charge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710179317.XA CN106816941A (en) | 2017-03-23 | 2017-03-23 | The electric razor that can efficiently charge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106816941A true CN106816941A (en) | 2017-06-09 |
Family
ID=59115525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710179317.XA Withdrawn CN106816941A (en) | 2017-03-23 | 2017-03-23 | The electric razor that can efficiently charge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106816941A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310415A (en) * | 2011-09-22 | 2012-01-11 | 于景龙 | Shaving razor powered by multiple power supplies |
-
2017
- 2017-03-23 CN CN201710179317.XA patent/CN106816941A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310415A (en) * | 2011-09-22 | 2012-01-11 | 于景龙 | Shaving razor powered by multiple power supplies |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170609 |