CN208423921U - Outdoor vehicle mounted multipurpose emergency can mains lighting supply - Google Patents
Outdoor vehicle mounted multipurpose emergency can mains lighting supply Download PDFInfo
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- CN208423921U CN208423921U CN201820877467.8U CN201820877467U CN208423921U CN 208423921 U CN208423921 U CN 208423921U CN 201820877467 U CN201820877467 U CN 201820877467U CN 208423921 U CN208423921 U CN 208423921U
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Abstract
It can mains lighting supply the utility model discloses a kind of outdoor vehicle mounted multipurpose emergency, including external power supply, DC/DC buck constant-current charging circuit, identify switching circuit, battery protecting circuit, lithium battery, USB device charging circuit, LED illumination control circuit, car emergency start-up circuit and inverter circuit, the external power supply is connect with the DC/DC buck constant-current charging circuit and identification switching circuit respectively, the DC/DC buck constant-current charging circuit is connect with the battery protecting circuit, the battery protecting circuit respectively with the lithium battery, USB device charging circuit is connected with LED illumination control circuit, the identification switching circuit and car emergency start-up circuit are connect with the lithium battery, the inverter circuit is connect with the identification switching circuit.The utility model can improve cruising ability, can provide temporary electrical power supply or illumination functions for electronic equipment.
Description
Technical field
The utility model relates to electron electric power apparatus field, in particular to a kind of outdoor vehicle mounted multipurpose emergency can power for illumination
Source.
Background technique
As people's lives level increasingly improves, electronic product, especially portable electronic product equipment, to ours
Life brings bigger convenient, various portable devices, handheld device, and hand-held device etc. is even more to emerge one after another.When people outside
Out when active job, small and exquisite mobile device provides positioning for people, navigates, communication, the functions such as data transmission, but due to hand
Holding equipment or portable device be all internal battery, so that strong influence people's uses the time.Therefore, how more preferably to allow
Portable device provides more permanent service for people, research and develop it is a kind of can be portable device provide continue a journey power supply it is portable
Formula power supply, and can external enwergy out of office the power supply unit of illumination and automatic rescue is provided, it has also become throughout the year field work and life
The pursuit dreamed of of people, however do not have such equipment also at present.
Utility model content
The technical problem to be solved by the present invention is in view of the above drawbacks of the prior art, provide a kind of energy raising
Cruising ability, can be provided for electronic equipment temporary electrical power supply or illumination functions outdoor vehicle mounted multipurpose emergency can power for illumination
Source.
The technical scheme adopted by the utility model to solve the technical problem is as follows: constructing a kind of outdoor vehicle mounted multipurpose emergency
Can mains lighting supply, including external power supply, DC/DC buck constant-current charging circuit, identification switching circuit, battery protecting circuit, lithium
Battery, USB device charging circuit, LED illumination control circuit, car emergency start-up circuit and inverter circuit, the external power supply
It is connect respectively with the DC/DC buck constant-current charging circuit and identification switching circuit, the DC/DC buck constant-current charge electricity
Road is connect with the battery protecting circuit, the battery protecting circuit respectively with the lithium battery, USB device charging circuit and
The connection of LED illumination control circuit, the identification switching circuit and car emergency start-up circuit are connect with the lithium battery, described
Inverter circuit is connect with the identification switching circuit.
Outdoor vehicle mounted multipurpose emergency described in the utility model can be in mains lighting supply, the DC/DC buck constant current
Charging circuit includes voltage-dropping type DC reduction voltage circuit U1, sustained diode 11, inductance L1, capacitor C18 and USB terminal USB, described
The terminal 2 of voltage-dropping type DC reduction voltage circuit U1 is connect with one end of one end of the sustained diode 11 and inductance L1 respectively, described
The other end of sustained diode 11 is grounded, the other end of the inductance L1 end with the voltage-dropping type DC reduction voltage circuit U1 respectively
The terminal 1 of son 3, one end of capacitor C18 and USB terminal USB connects, the other end ground connection of the capacitor C18, the USB terminal
The terminal 4 of USB is grounded.
Outdoor vehicle mounted multipurpose emergency described in the utility model can be in mains lighting supply, the LED illumination control circuit
Including ship type switch CON6, light emitting diode D12, light emitting diode D13, light emitting diode D14, light emitting diode D16, shine
Diode D17, light emitting diode D18, light emitting diode D19, light emitting diode D20, light emitting diode D21, light emitting diode
D22, light emitting diode D23 and light emitting diode D24, the terminal 2 of the ship type switch CON6 respectively with the light emitting diode
The anode of D12, the anode of the light emitting diode D16, the light emitting diode D19 anode and the light emitting diode D22
Anode connection, the cathode of the light emitting diode D12 passes through the light emitting diode D13's and light emitting diode D14
Anode connection, the cathode of the light emitting diode D16 pass through the sun of the light emitting diode D17 and the light emitting diode D18
Pole connection, the cathode of the light emitting diode D19 pass through the anode of the light emitting diode D20 and the light emitting diode D21
The cathode of connection, the light emitting diode D22 is connected by the anode of the light emitting diode D23 and light emitting diode D24
Connect, the cathode of the light emitting diode D14, the cathode of light emitting diode D18, light emitting diode D21 cathode and light-emitting diodes
The cathode of pipe D24 is grounded.
Can be in mains lighting supply in outdoor vehicle mounted multipurpose emergency described in the utility model, the inverter circuit includes afterflow
Diode D3, sustained diode 4, resistance R6, resistance R7, triode Q1, triode Q2, metal-oxide-semiconductor Q3, metal-oxide-semiconductor Q4, resistance
R16, resistance R17, connecting terminal CON3, metal-oxide-semiconductor Q8 and metal-oxide-semiconductor Q9, one end of the sustained diode 3 and freewheeling diode
One end of D4 connects, and the other end of sustained diode 3 passes through the resistance R6 collector and metal-oxide-semiconductor with the triode Q1 respectively
Grid connection, the base stage of the triode Q1 by resistance R16 ground connection, the source electrode of the metal-oxide-semiconductor Q3 respectively with it is described
The terminal 2 of the drain electrode of metal-oxide-semiconductor Q9 and connecting terminal CON3 connect connection, and the other end of the freewheeling diode is respectively with described three
The collector of pole pipe Q2 is connected with the grid of metal-oxide-semiconductor Q4, and the base stage of the triode Q2 is grounded by resistance R17, the metal-oxide-semiconductor
The drain electrode of the source electrode and metal-oxide-semiconductor Q8 of Q4 is connect with the terminal 1 of the connecting terminal CON3.
Can be in mains lighting supply in outdoor vehicle mounted multipurpose emergency described in the utility model, the identification switching circuit includes
Triode Q21, metal-oxide-semiconductor Q18, integrated voltage-stabilized module U3, resistance R58 and capacitor C21, the collector and MOS of the triode Q21
The grid of pipe Q18 connects, and the drain electrode of the metal-oxide-semiconductor Q18 is connect by resistance R58 with the pin 3 of the integrated voltage-stabilized module U3,
The pin 2 of the integrated voltage-stabilized module U3 is grounded, and the pin 1 of the integrated voltage-stabilized module U3 is grounded by capacitor C21.
Implement the utility model outdoor vehicle mounted multipurpose emergency can mains lighting supply, have the advantages that due to setting
There are external power supply, DC/DC buck constant-current charging circuit, identification switching circuit, battery protecting circuit, lithium battery, USB device to fill
Circuit, LED illumination control circuit, car emergency start-up circuit and inverter circuit, when using external power supply, self-contained circuit is removed
It is also responsible for powering to all current supply circuits while charging to built-in lithium battery, when taking out external power supply, Suo You electricity
Road circuit has built-in lithium battery to provide electric energy, and the identification function of circuit is added in identification switching circuit, may be implemented
Power switching between external power supply and lithium battery, therefore cruising ability can be improved, temporary electrical power confession can be provided for electronic equipment
It answers or illumination functions.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is that the utility model open air vehicle mounted multipurpose emergency can structural schematic diagram in mains lighting supply one embodiment；
Fig. 2 is the circuit diagram of external power supply in the embodiment；
Fig. 3 is the circuit diagram of car emergency start-up circuit in the embodiment；
Fig. 4 is the circuit diagram of DC/DC buck constant-current charging circuit in the embodiment；
Fig. 5 is the circuit diagram of LED illumination control circuit in the embodiment；
Fig. 6 is the circuit diagram of inverter circuit in the embodiment；
Fig. 7 is the circuit diagram that switching circuit is identified in the embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Can be in mains lighting supply embodiment in the utility model open air vehicle mounted multipurpose emergency, which meets an urgent need
Can mains lighting supply structural schematic diagram it is as shown in Figure 1.In Fig. 1, the open air vehicle mounted multipurpose emergency can mains lighting supply include external
Power supply 1, DC/DC buck constant-current charging circuit 2, identification switching circuit 3, battery protecting circuit 4, lithium battery 5, USB device fill
Circuit 6, LED illumination control circuit 7, car emergency start-up circuit 8 and inverter circuit 9, wherein external power supply 1 respectively with DC/
DC buck constant-current charging circuit 2 and identification switching circuit 3 connect, DC/DC buck constant-current charging circuit 2 and battery protection electricity
Road 4 connects, and battery protecting circuit 4 is connect with lithium battery 5, USB device charging circuit 6 and LED illumination control circuit 7 respectively, knows
Other switching circuit 3 and car emergency start-up circuit 8 are connect with lithium battery 5, and inverter circuit 9 is connect with identification switching circuit 3.
The lithium battery 5 of large capacity built in the utility model is set for storing electric energy to illumination and external handhold portable
Standby charging, and support that the short time to external connection electrical apparatus is large current discharge.It can be widely applied to field, the disaster relief and emergency self-saving etc.
A variety of occasions.
Fig. 2 is the circuit diagram of external power supply in the present embodiment, and in Fig. 2, when DC accesses external power supply 1, electric current is logical
Fuse F1 is crossed, the concussion through switch MOS to pipe Q1, Q2 and push-pull transformer TB1 is obtained in the secondary of push-pull transformer TB1
The exchange of one high pressure, and by rectifier diode D2, rectifier diode D3, rectifier diode D4 and rectifier diode D5 rectification
After obtain a high voltage direct current and be converted into alternating voltage by H bridge type circuit, be supplied to extraneous AC electric equipment.
Fig. 3 is the circuit diagram of car emergency start-up circuit in the present embodiment, and in Fig. 3, master chip U2 is master control monolithic
Machine is instructed by internal processes, and the electricity that built-in lithium battery 5 may be implemented is shown, operation error and knocking noise prompt,
And it is accompanied with various detection and identification functions.And various operational orders can be issued for output control according to setting program.
Fig. 4 is the circuit diagram of DC/DC buck constant-current charging circuit in the present embodiment, in Fig. 4, DC/DC buck
Constant-current charging circuit 2 includes voltage-dropping type DC reduction voltage circuit U1, sustained diode 11, inductance L1, capacitor C18 and USB terminal USB,
The terminal 2 of voltage-dropping type DC reduction voltage circuit U1 is connect with one end of one end of sustained diode 11 and inductance L1 respectively, two pole of afterflow
The other end of pipe D11 is grounded, the other end of inductance L1 one end with the terminal 3 of voltage-dropping type DC reduction voltage circuit U1, capacitor C18 respectively
It is connected with the terminal 1 of USB terminal USB, the other end ground connection of capacitor C18, the terminal 4 of USB terminal USB is grounded.
Built-in 12V voltage is passed through concussion, the afterflow of sustained diode 11, inductance L1 by voltage-dropping type DC reduction voltage circuit U1
Energy storage and capacitor C18 filtering, obtain a stable 5V voltage, filled by USB terminal USB to external handheld device
Electricity.
Fig. 5 is the circuit diagram of LED illumination control circuit in the present embodiment, and in Fig. 5, LED illumination control circuit includes
Ship type switch CON6, light emitting diode D12, light emitting diode D13, light emitting diode D14, light emitting diode D16, light-emitting diodes
Pipe D17, light emitting diode D18, light emitting diode D19, light emitting diode D20, light emitting diode D21, light emitting diode D22,
Light emitting diode D23 and light emitting diode D24, the terminal 2 of ship type switch CON6 respectively with the anode of light emitting diode D12, hair
The anode of optical diode D16, the anode of light emitting diode D19 are connected with the anode of light emitting diode D22, light emitting diode D12
Cathode connect with the anode of light emitting diode D14 by light emitting diode D13, the cathode of light emitting diode D16 passes through luminous
Diode D17 is connect with the anode of light emitting diode D18, and the cathode of light emitting diode D19 by light emitting diode D20 and shines
The anode of diode D21 connects, and the cathode of light emitting diode D22 passes through the anode of light emitting diode D23 and light emitting diode D24
Connection, the cathode of light emitting diode D14, the cathode of light emitting diode D18, light emitting diode D21 cathode and light emitting diode
The cathode of D24 is grounded.
Light emitting diode D12, light emitting diode D13, light emitting diode D14, light emitting diode D16, light emitting diode
D17, light emitting diode D18, light emitting diode D19, light emitting diode D20, light emitting diode D21, light emitting diode D22, hair
Optical diode D23 and light emitting diode D24 is 1W light emitting diode, is that will light needing to meet an urgent need, ship type switch CON6
For operating LED switch.
Fig. 6 is the circuit diagram of inverter circuit in the present embodiment, in Fig. 6, inverter circuit 9 include sustained diode 3,
Sustained diode 4, resistance R6, resistance R7, triode Q1, triode Q2, metal-oxide-semiconductor Q3, metal-oxide-semiconductor Q4, resistance R16, resistance R17,
One end of connecting terminal CON3, metal-oxide-semiconductor Q8 and metal-oxide-semiconductor Q9, sustained diode 3 are connect with one end of sustained diode 4, afterflow
The other end of diode D3 is connect with the grid of the collector of triode Q1 and metal-oxide-semiconductor respectively by resistance R6, triode Q1's
Base stage is grounded by resistance R16, and the source electrode of metal-oxide-semiconductor Q3 is connect with the terminal 2 of the drain electrode of metal-oxide-semiconductor Q9 and connecting terminal CON3 respectively
Connection, the other end of freewheeling diode are connect with the grid of the collector of triode Q2 and metal-oxide-semiconductor Q4 respectively, the base of triode Q2
Pole is grounded by resistance R17, and the drain electrode of the source electrode and metal-oxide-semiconductor Q8 of metal-oxide-semiconductor Q4 is connect with the terminal 1 of connecting terminal CON3.
Metal-oxide-semiconductor Q3, metal-oxide-semiconductor Q4, metal-oxide-semiconductor Q8 and metal-oxide-semiconductor Q9 are that enhanced N links up metal-oxide-semiconductor field effect transistor, form direct current
It is made into the bridge rectifier of electric current electricity, sustained diode 3, sustained diode 4 are used for one-way conduction, prevent electric current reversed.Three poles
Pipe Q1, triode Q2 are NPN triode, for controlling the working condition of metal-oxide-semiconductor Q3 and metal-oxide-semiconductor Q4, resistance R6 and resistance R7
The current offset of triode Q1 and triode Q2 are provided, resistance R16, resistance R17 are used to provide to triode Q1 and triode Q2
Base current.But when triode Q1 and triode Q2 saturation conduction, metal-oxide-semiconductor Q3, metal-oxide-semiconductor Q4 grid led because voltage is lost
GS conductive communication is caused to disappear, thus cut-off current.This circuit is the core of inversion, and connecting terminal CON3 is output alternating current
Connecting terminal, when metal-oxide-semiconductor Q4 and metal-oxide-semiconductor Q9 is connected, and metal-oxide-semiconductor Q3, metal-oxide-semiconductor Q8 open a way, then the terminal 1 of connecting terminal CON3
For 220V high pressure, and the terminal 2 of connecting terminal CON3 is low pressure, is formed exchange after single-chip microcontroller control timing and continuous 0.01s
Just the half of electricity.
When metal-oxide-semiconductor Q3 and metal-oxide-semiconductor Q8 is connected, and metal-oxide-semiconductor Q4 and metal-oxide-semiconductor Q9 open a way, then the terminal 2 of connecting terminal CON3
For 220V high pressure, and the terminal 1 of connecting terminal CON3 is low pressure, is formed exchange after single-chip microcontroller control timing and continuous 0.01s
The negative half period of electricity.Material is thus formed the electric current of 50Hz electricity.
Fig. 7 is the circuit diagram that switching circuit is identified in the present embodiment, and in Fig. 7, identification switching circuit 3 includes triode
The grid of the collector and metal-oxide-semiconductor Q18 of Q21, metal-oxide-semiconductor Q18, integrated voltage-stabilized module U3, resistance R58 and capacitor C21, triode Q21
The drain electrode of pole connection, metal-oxide-semiconductor Q18 is connect by resistance R58 with the pin 3 of integrated voltage-stabilized module U3, integrated voltage-stabilized module U3's
Pin 2 is grounded, and the pin 1 of integrated voltage-stabilized module U3 is grounded by capacitor C21.
When user's selection is using built-in lithium battery 5, single-chip microcontroller issues high level and is saturated by triode Q21, then metal-oxide-semiconductor
The grid of Q18 (metal-oxide-semiconductor Q18 is enhanced N-channel MOS field-effect tube) can cause to turn off because voltage is lost, then external
Power supply 1 is just cut off, on the contrary, when being used to select external power supply 1, then metal-oxide-semiconductor Q18 is on state, external power supply 1
Go out 5V direct current by integrated voltage-stabilized module U3 pressure stabilizing, to provide DC low-voltage to entire electric current.
In short, the utility model is equivalent to a kind of electric supply system for being converted into exchange by direct current, the utility model master
It is used for outdoor emergency, drives a vehicle and saves oneself and the occasions such as rescue and relief work, provides temporary electrical power supply or illumination for some electronic equipments
Deng with very strong practicability and use value.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of open air vehicle mounted multipurpose emergency can mains lighting supply, which is characterized in that permanent including external power supply, DC/DC buck
Current charge circuit, identification switching circuit, battery protecting circuit, lithium battery, USB device charging circuit, LED illumination control circuit,
Car emergency start-up circuit and inverter circuit, the external power supply respectively with the DC/DC buck constant-current charging circuit and knowledge
Other switching circuit connection, the DC/DC buck constant-current charging circuit are connect with the battery protecting circuit, the battery protection
Circuit is connect with the lithium battery, USB device charging circuit and LED illumination control circuit respectively, the identification switching circuit and
Car emergency start-up circuit is connect with the lithium battery, and the inverter circuit is connect with the identification switching circuit.
2. vehicle mounted multipurpose emergency in open air according to claim 1 can mains lighting supply, which is characterized in that the DC/DC liter
Being depressured constant-current charging circuit includes voltage-dropping type DC reduction voltage circuit U1, sustained diode 11, inductance L1, capacitor C18 and USB terminal
USB, the terminal 2 of voltage-dropping type DC reduction voltage circuit U1 one end with one end of the sustained diode 11 and inductance L1 respectively
Connection, the other end ground connection of the sustained diode 11, the other end of the inductance L1 are depressured electricity with the voltage-dropping type DC respectively
The terminal 1 of the terminal 3 of road U1, one end of capacitor C18 and USB terminal USB connects, the other end ground connection of the capacitor C18, described
The terminal 4 of USB terminal USB is grounded.
3. vehicle mounted multipurpose emergency in open air according to claim 1 can mains lighting supply, which is characterized in that the LED illumination
Control circuit includes ship type switch CON6, light emitting diode D12, light emitting diode D13, light emitting diode D14, light emitting diode
D16, light emitting diode D17, light emitting diode D18, light emitting diode D19, light emitting diode D20, light emitting diode D21, hair
Optical diode D22, light emitting diode D23 and light emitting diode D24, the terminal 2 of the ship type switch CON6 respectively with the hair
The anode of optical diode D12, the anode of the light emitting diode D16, the anode of the light emitting diode D19 and described luminous two
The anode of pole pipe D22 connects, and the cathode of the light emitting diode D12 passes through the light emitting diode D13 and the light-emitting diodes
The anode of pipe D14 connects, and the cathode of the light emitting diode D16 passes through the light emitting diode D17 and the light emitting diode
The anode of D18 connects, and the cathode of the light emitting diode D19 passes through the light emitting diode D20 and light emitting diode D21
Anode connection, the cathode of the light emitting diode D22 passes through the light emitting diode D23's and light emitting diode D24
Anode connection, the cathode of the light emitting diode D14, the cathode of light emitting diode D18, light emitting diode D21 cathode and hair
The cathode of optical diode D24 is grounded.
4. vehicle mounted multipurpose emergency in open air according to claim 3 can mains lighting supply, which is characterized in that the inverter circuit
Including sustained diode 3, sustained diode 4, resistance R6, resistance R7, triode Q1, triode Q2, metal-oxide-semiconductor Q3, metal-oxide-semiconductor
Q4, resistance R16, resistance R17, connecting terminal CON3, metal-oxide-semiconductor Q8 and metal-oxide-semiconductor Q9, one end of the sustained diode 3 and afterflow
One end of diode D4 connects, the other end of sustained diode 3 by resistance R6 respectively with the collector of the triode Q1 and
The grid of metal-oxide-semiconductor connects, the base stage of the triode Q1 by resistance R16 ground connection, the source electrode of the metal-oxide-semiconductor Q3 respectively with
The terminal 2 of the drain electrode of the metal-oxide-semiconductor Q9 and connecting terminal CON3 connect connection, the other end of the freewheeling diode respectively with institute
The collector for stating triode Q2 is connected with the grid of metal-oxide-semiconductor Q4, and the base stage of the triode Q2 is grounded by resistance R17, described
The drain electrode of the source electrode and metal-oxide-semiconductor Q8 of metal-oxide-semiconductor Q4 is connect with the terminal 1 of the connecting terminal CON3.
5. vehicle mounted multipurpose emergency in open air according to any one of claims 1 to 4 can mains lighting supply, which is characterized in that
The identification switching circuit includes triode Q21, metal-oxide-semiconductor Q18, integrated voltage-stabilized module U3, resistance R58 and capacitor C21, and described three
The collector of pole pipe Q21 is connect with the grid of metal-oxide-semiconductor Q18, and the drain electrode of the metal-oxide-semiconductor Q18 is integrated surely by resistance R58 with described
The pin 3 of die block U3 connects, and the pin 2 of the integrated voltage-stabilized module U3 is grounded, and the pin 1 of the integrated voltage-stabilized module U3 is logical
Cross capacitor C21 ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820877467.8U CN208423921U (en) | 2018-06-07 | 2018-06-07 | Outdoor vehicle mounted multipurpose emergency can mains lighting supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820877467.8U CN208423921U (en) | 2018-06-07 | 2018-06-07 | Outdoor vehicle mounted multipurpose emergency can mains lighting supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208423921U true CN208423921U (en) | 2019-01-22 |
Family
ID=65110494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820877467.8U Expired - Fee Related CN208423921U (en) | 2018-06-07 | 2018-06-07 | Outdoor vehicle mounted multipurpose emergency can mains lighting supply |
Country Status (1)
| Country | Link |
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| CN (1) | CN208423921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113890345A (en) * | 2021-09-22 | 2022-01-04 | 深圳市康力欣电子有限公司 | Central integration boosting power supply system applied to mobile phone tablet |
-
2018
- 2018-06-07 CN CN201820877467.8U patent/CN208423921U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113890345A (en) * | 2021-09-22 | 2022-01-04 | 深圳市康力欣电子有限公司 | Central integration boosting power supply system applied to mobile phone tablet |
| CN113890345B (en) * | 2021-09-22 | 2024-05-28 | 深圳市康力欣电子有限公司 | Central integrated boost power supply system applied to mobile phone tablet |
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Granted publication date: 20190122 Termination date: 20200607 |