CN209517580U - A kind of power supply - Google Patents
A kind of power supply Download PDFInfo
- Publication number
- CN209517580U CN209517580U CN201822158541.3U CN201822158541U CN209517580U CN 209517580 U CN209517580 U CN 209517580U CN 201822158541 U CN201822158541 U CN 201822158541U CN 209517580 U CN209517580 U CN 209517580U
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- printing zone
- module
- electrolytic capacitor
- filter
- power supply
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Abstract
The utility model discloses a kind of power supply, including pcb board, pcb board includes the first Printing Zone, the second Printing Zone and third Printing Zone successively arranged, first Printing Zone is provided with input interface, second Printing Zone is provided with circuit of power factor correction and resonance circuit, and at least one of the driving metal-oxide-semiconductor in driving metal-oxide-semiconductor and diode and resonance circuit in circuit of power factor correction is erected on PCB, and be fixed on the heat sink being set on PCB, third Printing Zone is provided with output interface.Power supply provided by the embodiment of the utility model has the characteristics that novel circuit layout, the compact-sized, crosstalk that is effectively reduced between high frequency and load capacity are strong, solves the problems, such as that large power supply is bulky due to there are the crosstalk between high frequency.
Description
Technical field
The utility model embodiment is related to power technology more particularly to a kind of power supply.
Background technique
With the made rapid progress of modern science and technology and the high speed development of economic level, functional requirement of the people to LED power
It is higher and higher, meanwhile, it is also higher and higher for the small form factor requirements of LED power, and the high-frequency electronic element of large power supply institute
The electromagnetic wave of generation can interfere with each other at work, and large power supply volume is larger.
How the crosstalk high frequency of large power supply between is effectively reduced, and that effectively reduces large power supply volume becomes electricity
Design urgent problem to be solved in source.
Utility model content
The utility model provides a kind of power supply, and to solve, large power supply is bulky due to there are the crosstalk between high frequency to be asked
Topic.
The utility model embodiment provides a kind of power supply, comprising:
Pcb board；
Pcb board includes the first Printing Zone, the second Printing Zone and third Printing Zone successively arranged；
First Printing Zone is provided with input interface；
Second Printing Zone is provided with circuit of power factor correction and resonance circuit；Driving in circuit of power factor correction
At least one of driving metal-oxide-semiconductor in metal-oxide-semiconductor and diode and resonance circuit is erected on pcb board, and is fixed on setting
In on the heat sink on pcb board；
Third Printing Zone is provided with output interface.
Further, pcb board further includes the 4th Printing Zone；4th Printing Zone be located at the second Printing Zone and third Printing Zone it
Between；
4th Printing Zone is provided with circuit of synchronous rectification；
Diode in circuit of synchronous rectification is fixed on corresponding heat sink.
Further, the first Printing Zone, the second Printing Zone and third Printing Zone are arranged along first direction；First Printing Zone is also
It is provided with the first filter module, the first rectification module and anti-lightning strike module；
First filter module and anti-lightning strike module are located at the side in a second direction of the first rectification module, wherein second
Direction is vertical with first direction；First rectification module is direct insertion to be fixed on corresponding heat sink；
Along first direction, the first filter module and anti-lightning strike module are set gradually, the first filter module and input interface electricity
Connection.
Further, the first filter module includes the first filter capacitor set gradually in a second direction, the first filtered electrical
Sense, the second filter capacitor, the second filter inductance, third filter capacitor, third filter inductance, the 4th filter capacitor.
Further, anti-lightning strike module includes at least one pressure cell and the first discharge tube；
At least one pressure cell and the first discharge tube are in electrical contact；
First discharge tube ground connection.
Further, circuit of power factor correction further includes at least four electrolytic capacitors, the first energy storage inductor and power supply mould
Block；
First Printing Zone, the second Printing Zone and third Printing Zone are arranged along first direction；In a second direction, the second Printing Zone
It is disposed with driving metal-oxide-semiconductor and diode, the first energy storage inductor and at least four electrolytic capacitors of circuit of power factor correction,
Wherein, second direction is vertical with the first direction.
Further, the second Printing Zone is additionally provided with power module, and power module is located at the first energy storage inductor along first party
To side.
Further, resonance circuit further includes the first resonant inductance and the second resonant inductance；
Along the first direction, the first resonant inductance is located at side of the power module far from the first Printing Zone, the second resonance
Inductance is located at side of the electrolytic capacitor far from the first Printing Zone.
Further, third Printing Zone is additionally provided with the second filter module；
Second filter module and output interface are in electrical contact.
Further, the second filter module includes the 5th electrolytic capacitor, the 6th electrolytic capacitor, the 7th electrolytic capacitor, the 8th
Electrolytic capacitor, the 9th electrolytic capacitor, the tenth electrolytic capacitor, the 4th filter inductance, the 11st electrolytic capacitor；
5th electrolytic capacitor, the 6th electrolytic capacitor, the 7th electrolytic capacitor, the 8th electrolytic capacitor, the 9th electrolytic capacitor and
Ten electrolytic capacitors are set to the 4th side of the filter inductance far from the 11st electrolytic capacitor.
Power supply provided by the utility model includes pcb board, and pcb board includes the first Printing Zone successively arranged, the second printing
Area and third Printing Zone, the first Printing Zone are provided with input interface, and the second Printing Zone is provided with circuit of power factor correction harmony
Shake circuit, in the driving metal-oxide-semiconductor in driving metal-oxide-semiconductor and diode and harmonic conversion circuit in circuit of power factor correction
At least one be erected on PCB, and be fixed on the heat sink being set on PCB, third Printing Zone is provided with output interface.
Power supply provided by the utility model has novel circuit layout, the compact-sized, crosstalk that is effectively reduced between high frequency and with load energy
The strong feature of power solves the problems, such as that large power supply is bulky due to there are the crosstalk between high frequency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of power supply provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of another power supply provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of another power supply provided by the embodiment of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
The utility model embodiment provides a kind of power supply.Fig. 1 is a kind of knot of power supply provided by the embodiment of the utility model
Structure schematic diagram.Referring to Fig. 1, power supply provided by the embodiment of the utility model includes pcb board 100.Pcb board 100 includes successively arranging
The first Printing Zone 1, the second Printing Zone 2 and third Printing Zone 3, the first Printing Zone 1 is provided with input interface 110, the second printing
Area 2 is provided with circuit of power factor correction 210 and resonance circuit 220, the driving metal-oxide-semiconductor in circuit of power factor correction 210 and
At least one of driving metal-oxide-semiconductor in diode and resonance circuit 220 is erected on pcb board 100, and is fixed on setting
In on the heat sink 200 on pcb board 100, third Printing Zone 3 is provided with output interface 310.
Specifically, power supply includes pcb board 100 and heat sink 200, and heat sink 200 is set on pcb board 100, heat sink
200 are vertically arranged with pcb board 100.Pcb board 100 is from left to right successively placed with the first Printing Zone 1, the second Printing Zone 2 and third
Printing Zone 3, the input interface 110 that the first Printing Zone 1 is provided with can input the up to voltage of 528V, the setting of the second Printing Zone 2
Circuit of power factor correction 210 in driving metal-oxide-semiconductor and diode be erected on pcb board 100, drive metal-oxide-semiconductor and diode
It is electrically connected, and is fixed on the heat sink 200 being set on pcb board 100 with pcb board 100 by pin, driving can be saved
The space of metal-oxide-semiconductor and diode on pcb board 100, facilitate pcb board to be routed, can also be effectively to driving metal-oxide-semiconductor and diode
Electromagnetic interference signal is shielded, and driving metal-oxide-semiconductor and diode is high heating circuit element, can be screwed in heat dissipation
It can accelerate to radiate on plate 200.Driving metal-oxide-semiconductor in the resonance circuit 220 of second Printing Zone 2 setting is erected on pcb board 100
On, driving metal-oxide-semiconductor is electrically connected by pin with pcb board 100, and is fixed on the corresponding heat sink being set on pcb board 100
On 200, the wiring space for saving pcb board can be equally played, reduce the high-frequency crosstalk between circuit element and increases heat dissipation effect
The effect of fruit.The output interface 310 that third Printing Zone 3 is provided with can be using output voltage range as direct current 48V-178V.
Power supply provided by the utility model includes pcb board and heat sink, pcb board include the first Printing Zone successively arranged,
Second Printing Zone and third Printing Zone, input interface setting is in the first Printing Zone, and output interface setting is in third Printing Zone, and second
Printing Zone is provided with circuit of power factor correction and resonance circuit, by by circuit of power factor correction driving metal-oxide-semiconductor and
At least one of driving metal-oxide-semiconductor in diode and resonance circuit is erected on PCB, and is fixed on and is set on PCB
On heat sink, power supply provided by the utility model have circuit layout is novel, the compact-sized, crosstalk that is effectively reduced between high frequency with
And the feature that load capacity is strong, solve the problems, such as that large power supply is bulky due to there are the crosstalk between high frequency.
The utility model embodiment provides another power supply.Fig. 2 is another power supply provided by the embodiment of the utility model
Structural schematic diagram.On the basis of the above embodiments, referring to fig. 2, the pcb board 100 of power supply can also include the 4th Printing Zone
4, the 4th Printing Zone 4 is between the second Printing Zone 2 and third Printing Zone 3.4th Printing Zone 4 is provided with circuit of synchronous rectification
410, the diode in circuit of synchronous rectification 410 is fixed on corresponding heat sink 200.
Specifically, heat sink 200 may include muti-piece heat sink, and be respectively arranged at the difference of pcb board 100 as needed
Position, to enhance the heat-sinking capability of power supply.The pcb board of power supply may include the 4th Printing Zone 4, have synchronization on the 4th Printing Zone 4
Rectification circuit 410, the diode for rectification can be erected on the 4th Printing Zone 4 on pcb board 100 respectively, by pin with
Pcb board 100 is electrically connected, and can be screwed in on the heat sink 200 of the neighbouring setting of circuit of synchronous rectification 410, can
It is shielded, and enhanced in circuit of synchronous rectification 410 with the electromagnetic interference signal for generating diode in circuit of synchronous rectification 410
The heat-sinking capability of diode.
Optionally, with continued reference to Fig. 2, the first Printing Zone 1, the second Printing Zone 2 and third Printing Zone 3 are arranged along first direction N1
Cloth, the first Printing Zone 1 are additionally provided with the first filter module 120, the first rectification module 130 and anti-lightning strike module 140.First filtering
Module 120 and anti-lightning strike module 140 are located at the side of the N2 in a second direction of the first rectification module 130, wherein second direction N2
Vertical with first direction N1, the first rectification module 130 is direct insertion to be fixed on corresponding heat sink 200, along first direction N1,
One filter module 120 and anti-lightning strike module 140 are set gradually, and the first filter module 120 is electrically connected with input interface 110.
Illustratively, first direction N1 can be the direction along pcb board from left to right, and second direction N2 can be and first
Direction N1 is vertical and direction from top to bottom.The left side of first Printing Zone 1 N1 in a first direction, the second Printing Zone 2 and third
It arranges along first direction N1 Printing Zone 3.Input interface 110 is located at the downside of the first Printing Zone 1, and the first filter module 120 is located at
The side of the N2 in a second direction of input interface 110, the first filter module 120 and anti-lightning strike module 140 along first direction N1 successively
Setting, the first rectification module 130 are located at the side of the N2 in a second direction of the first filter module 120 and anti-lightning strike module 140.
Specifically, the first filter module 120 is electrically connected with input interface 110, and the first filter module 120 is used for defeated to power supply
The electric signal that incoming interface 110 inputs is filtered, and mainly plays a part of to filter out 70kHz or more high-frequency signal.Anti-lightning strike module 140
For by the high-voltage signal of power supply through the earthing of casing, to prevent surge from burning out power supply.First rectification module 130 connects for that will input
The ac voltage signals of 110 input of mouth are the circuit of power factor correction of the second Printing Zone 2 by being rectified into d. c. voltage signal
210 power supplies, the first rectification module 130 is direct insertion to be fixed on corresponding heat sink 200, and the first rectification module 130 is erected on PCB
The first Printing Zone 1 on plate 100 is electrically connected by pin with pcb board 100, and can be screwed and be rectified in first
It, can be by the electromagnetic interference of rectifier diode generation in the first rectification module 130 on the heat sink 200 of the neighbouring setting of module 130
Signal is shielded, and enhances the heat-sinking capability of rectifier diode in the first rectification module 130.
Optionally, third Printing Zone 3 is also provided with the second filter module 320, and the second filter module 320 connects with output
Mouth 310 is in electrical contact.
Specifically, the second filter module 320 is also used to that the electric signal that the 4th Printing Zone 4 rectifies output is filtered and is pressed down
Electromagnetic interference processed, the electric signal for exporting the output interface 310 of power supply meet Valuation Standard.
The utility model embodiment provides another power supply.Fig. 3 is another power supply provided by the embodiment of the utility model
Structural schematic diagram.On the basis of the above embodiments, referring to Fig. 3, the first filter module 120 includes that N2 is successively in a second direction
The first filter capacitor 121, the first filter inductance 122, the second filter capacitor 123, the second filter inductance 124, third filter being arranged
Wave capacitor 125, third filter inductance 126, the 4th filter capacitor 127.
Specifically, the first filter capacitor 121 is in the side N2 in a second direction of input interface 110, and tight with input interface 110
Suffer setting, in a second direction N2 set gradually the first filter capacitor 121 of the first filter module 120, the first filter inductance 122,
Second filter capacitor 123, the second filter inductance 124, third filter capacitor 125, third filter inductance 126, the 4th filter capacitor
127, LC filtering is constituted, multiple groups filtering is carried out, high-frequency signal is filtered out, to meet power supply Valuation Standard.Optionally, the first filtering mould
Block 120 can also include the 5th filter capacitor 128 and the 6th filter capacitor 129, the 5th filter capacitor 128 and the 6th filter capacitor
129 set gradually on the right side of the 4th filter capacitor along first direction N1.
Optionally, the first rectification module 130 may include the 4th pressure cell 131 and the first rectifier bridge 132.
Specifically, the 4th pressure cell 131 is set to the side of the N2 in a second direction of third filter inductance 126, and the 4th
Filter capacitor 127 is located at the 4th pressure cell 131 along the side of first direction N1, and the 4th pressure cell 131 plays pincers pressure, prevents
Only the first rectifier bridge 132 is breakdown because of overtension.First rectifier bridge 132 is erected on the first Printing Zone 1 on pcb board 100,
It is electrically connected, and can be screwed in the heat sink with the neighbouring setting of the first rectifier bridge 132 with pcb board 100 by pin
On 200, the electromagnetic interference signal that rectifier diode in the first rectifier bridge 132 generates can be shielded, and it is whole to enhance first
Flow the heat-sinking capability of bridge 132.
Optionally, anti-lightning strike module 140 includes at least one pressure cell and the first discharge tube 141, at least one is pressure-sensitive
Element and the first discharge tube 141 are in electrical contact, the first discharge tube 141 ground connection.
Illustratively, referring to Fig. 3, anti-lightning strike module 140 may include three pressure cells, i.e. the first pressure cell 142,
Second pressure cell 143, third pressure cell 144.First pressure cell 142 can be located at the second filter inductance 124 along first
The direction side N1, and the first pressure cell 142 can tilt 45° angle in a second direction on pcb board and be arranged, second pressure-sensitive yuan
Part 143 and third pressure cell 144 can be located at the second filter capacitor 123 and set gradually along first direction N1, the first discharge tube
141 can be located at the first filter inductance 122 along the side first direction N1, and the pressure voltage of the first discharge tube 141 is 3750V, and first
Discharge tube 141 can prevent lightning stroke high pressure from burning power supply by the earthing of casing.
Optionally, with continued reference to Fig. 3, circuit of power factor correction 210 further includes at least four electrolytic capacitors, the first energy storage
Inductance 211 and power module 212.First Printing Zone 1, the second Printing Zone 2 and third Printing Zone 3 are arranged along first direction N1, edge
Second direction N2, the second Printing Zone 2 are disposed with the power device 213 of circuit of power factor correction 210, and power device can be with
Including driving metal-oxide-semiconductor and diode, the first energy storage inductor 211 and at least four electrolytic capacitors, wherein second direction N2 and first
Direction N1 is vertical.
Illustratively, at least four electrolytic capacitors of circuit of power factor correction 210 play energy storage, four electrolytic capacitors
It can choose the equal electrolytic capacitor of capacitance, two electrolytic capacitor parallel connections can be used, storage is realized in two electrolytic capacitor series connection
Energy capacity is big, and electrolytic capacitor volume is small, and arrangement is flexible.The effect of first energy storage inductor, 211 raising voltage, Fig. 3 exemplary
Drawing circuit of power factor correction 210 includes four electrolytic capacitors, i.e. the first electrolytic capacitor 215, the second electrolytic capacitor 216, the
The case where three electrolytic capacitors 217, the 4th electrolytic capacitor 218.
Optionally, the second Printing Zone 2 is also provided with power module 212, and power module 212 is located at the first energy storage inductor
211 along the side of first direction N1.
Specifically, power module 212 obtains voltage and the decompression of the storage of electrolytic capacitor, is circuit of power factor correction
210 and resonance circuit 220 in chip power supply.
Optionally, resonance circuit 220 further includes the first resonant inductance 221 and the second resonant inductance 222, along the first party
To N1, the first resonant inductance 221 is located at side of the power module 212 far from the first Printing Zone, and the second resonant inductance 222 is located at electricity
Solve side of the capacitor far from the first Printing Zone.
Specifically, at least one of the driving metal-oxide-semiconductor of resonance oscillation semi-bridge 223 in the resonance circuit of the second Printing Zone setting
It is erected on PCB, and is fixed on the heat sink 200 corresponding with the second Printing Zone being set on PCB, resonance oscillation semi-bridge 223 will
D. c. voltage signal is converted into ac voltage signal, and it is humorous that ac voltage signal is transferred to the first resonant inductance 221 and second
Shake inductance 222, is rectified using the circuit of synchronous rectification 410 of the 4th Printing Zone, ac voltage signal is converted to direct current
Voltage signal exports d. c. voltage signal after the filtering of the second filter module 320 of third Printing Zone 3.
Optionally, the second filter module 320 of third Printing Zone 3 includes the 5th electrolytic capacitor 321, the 6th electrolytic capacitor
322, the 7th electrolytic capacitor 323, the 8th electrolytic capacitor 324, the 9th electrolytic capacitor 325, the filtering of the tenth electrolytic capacitor the 326, the 4th
Inductance 327, the 11st electrolytic capacitor 328, the 5th electrolytic capacitor 321, the 6th electrolytic capacitor 322, the 7th electrolytic capacitor 323,
Eight electrolytic capacitors 324, the 9th electrolytic capacitor 325 and the tenth electrolytic capacitor 326 are set to the 4th filter inductance 327 far from the 11st
The side of electrolytic capacitor 328.
Specifically, the 4th filter inductance 327 plays a part of to inhibit electromagnetic interference, the 5th electrolytic capacitor the 321, the 6th electrolysis electricity
Hold the 322, the 7th electrolytic capacitor 323, the 8th electrolytic capacitor 324, the 9th electrolytic capacitor 325 and the tenth electrolytic capacitor 326 to rise respectively
Filter action.Optionally, the second filter module 320 can also include the 12nd electrolytic capacitor 329, the 12nd electrolytic capacitor 329
Positioned at the 4th filter inductance 327 side of the N2 far from 11 electrolytic capacitors 328 in a second direction, play a filtering role.
Power supply provided by the utility model includes pcb board, and pcb board includes the first Printing Zone successively arranged, the second printing
Area, third Printing Zone and the 4th Printing Zone are provided with heat sink on pcb board, and the power circuit element of each Printing Zone is fixed respectively
In on heat sink, other circuit elements in addition to power circuit element are set on pcb board, and are laid out novel, compact-sized, section
Save space, the crosstalk being effectively reduced between circuit element high frequency, power supply stability is good, load capacity is strong.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (10)
1. a kind of power supply characterized by comprising
Pcb board；
The pcb board includes the first Printing Zone, the second Printing Zone and third Printing Zone successively arranged；
First Printing Zone is provided with input interface；
Second Printing Zone is provided with circuit of power factor correction and resonance circuit；Drive in the circuit of power factor correction
At least one of driving metal-oxide-semiconductor in dynamic metal-oxide-semiconductor and diode and the resonance circuit is erected on the pcb board, and
It is fixed on the heat sink on pcb board；
The third Printing Zone is provided with output interface.
2. power supply according to claim 1, which is characterized in that the pcb board further includes the 4th Printing Zone；4th print
Area is brushed between second Printing Zone and the third Printing Zone；
4th Printing Zone is provided with circuit of synchronous rectification；
Diode in the circuit of synchronous rectification is fixed on corresponding heat sink.
3. power supply according to claim 1, which is characterized in that first Printing Zone, the second Printing Zone and third printing
It arranges along first direction in area；First Printing Zone is additionally provided with the first filter module, the first rectification module and anti-lightning strike module；
First filter module and the anti-lightning strike module are located at the side in a second direction of first rectification module,
In, the second direction is vertical with the first direction；First rectification module is direct insertion to be fixed on corresponding heat sink；
Along the first direction, first filter module and the anti-lightning strike module are set gradually, first filter module
It is electrically connected with the input interface.
4. power supply according to claim 3, which is characterized in that first filter module include along the second direction according to
The first filter capacitor, the first filter inductance, the second filter capacitor, the second filter inductance, the third filter capacitor of secondary setting, third
Filter inductance, the 4th filter capacitor.
5. power supply according to claim 3, which is characterized in that the anti-lightning strike module include at least one pressure cell and
First discharge tube；
At least one described pressure cell and first discharge tube are in electrical contact；
The first discharge tube ground connection.
6. power supply according to claim 1, which is characterized in that the circuit of power factor correction further includes at least four electricity
Solve capacitor, the first energy storage inductor and power module；
First Printing Zone, the second Printing Zone and third Printing Zone are arranged along first direction；In a second direction, second print
Brush area is disposed with the driving metal-oxide-semiconductor and diode, first energy storage inductor and described of the circuit of power factor correction
At least four electrolytic capacitors, wherein the second direction is vertical with the first direction.
7. power supply according to claim 6, which is characterized in that second Printing Zone is additionally provided with power module, described
Power module is located at first energy storage inductor along the side of the first direction.
8. power supply according to claim 7, which is characterized in that the resonance circuit further includes the first resonant inductance and second
Resonant inductance；
Along the first direction, first resonant inductance is located at side of the power module far from first Printing Zone,
Second resonant inductance is located at side of the electrolytic capacitor far from first Printing Zone.
9. power supply according to claim 1, which is characterized in that the third Printing Zone is additionally provided with the second filter module；
Second filter module and the output interface are in electrical contact.
10. power supply according to claim 9, which is characterized in that
Second filter module include the 5th electrolytic capacitor, the 6th electrolytic capacitor, the 7th electrolytic capacitor, the 8th electrolytic capacitor,
9th electrolytic capacitor, the tenth electrolytic capacitor, the 4th filter inductance, the 11st electrolytic capacitor；
5th electrolytic capacitor, the 6th electrolytic capacitor, the 7th electrolytic capacitor, the 8th electrolytic capacitor, the 9th electrolytic capacitor and institute
It states the tenth electrolytic capacitor and is set to the side of the 4th filter inductance far from the 11st electrolytic capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822158541.3U CN209517580U (en) | 2018-12-21 | 2018-12-21 | A kind of power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822158541.3U CN209517580U (en) | 2018-12-21 | 2018-12-21 | A kind of power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209517580U true CN209517580U (en) | 2019-10-18 |
Family
ID=68196163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822158541.3U Withdrawn - After Issue CN209517580U (en) | 2018-12-21 | 2018-12-21 | A kind of power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209517580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210328515A1 (en) * | 2018-10-19 | 2021-10-21 | Sony Interactive Entertainment Inc. | Power source device |
-
2018
- 2018-12-21 CN CN201822158541.3U patent/CN209517580U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210328515A1 (en) * | 2018-10-19 | 2021-10-21 | Sony Interactive Entertainment Inc. | Power source device |
| US12009750B2 (en) * | 2018-10-19 | 2024-06-11 | Sony Interactive Entertainment Inc. | Power source device |
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