CN209562215U - A kind of emergency phone charger - Google Patents
A kind of emergency phone charger Download PDFInfo
- Publication number
- CN209562215U CN209562215U CN201920713928.2U CN201920713928U CN209562215U CN 209562215 U CN209562215 U CN 209562215U CN 201920713928 U CN201920713928 U CN 201920713928U CN 209562215 U CN209562215 U CN 209562215U
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- Prior art keywords
- control circuit
- circuit board
- battery compartment
- power
- input
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- 230000005611 electricity Effects 0.000 claims description 14
- 239000003990 capacitor Substances 0.000 claims description 8
- 230000009466 transformation Effects 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 2
- 210000003128 head Anatomy 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 210000004709 eyebrow Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of emergency phone charger, including filling head and data line, described fill is equipped with battery compartment, control circuit board, USB interface, city's electrical prongs in head, electrode in city's electrical prongs, battery compartment is connect with each input terminal of control circuit board respectively, USB interface and the output end of control circuit board connect, and the control circuit board is used to being converted to the power supply of input into normal voltage and export from USB interface.Since battery compartment being arranged on filling head, voltage needed for the electric energy of the battery in battery compartment is converted to the electronic equipments such as mobile phone by control circuit board charges for it, so that can charge under the emergency ratings such as power failure or open air for mobile phone.
Description
Technical field
This application involves chargers, and in particular to a kind of emergency phone charger.
Background technique
It with the universal of mobile phone and is widely applied, mobile phone has been charged to unavoidably ask in life using one of mobile phone
Topic.Phone charger is substantially general at present, and various brands mobile phone is suitble to use, while phone charger is in many small-sized families
It is also general in the charging of electrical appliance, therefore phone charger is at essential charging equipment in life.To ensure me
Charger baby can occur again at the same time to the charging of mobile phone at any time in life, but charger baby than it is cumbersome not
It is portable, therefore often will appear some special circumstances and have no idea to charge to mobile phone, such as: it goes on business and has forgotten band charger baby
Or charger baby is out of power, and can not find the power supply of charging or long-time power failure mobile phone and can not charge, and is at this time also merely able to
It is stymied by.
Summary of the invention
The application provides a kind of emergency phone charger, can charge under emergency rating for mobile phone.
According in a first aspect, provide a kind of emergency phone charger in a kind of embodiment, including head and data line are filled, it is described
It fills and is equipped with battery compartment, control circuit board, USB interface, city's electrical prongs in head, the electrode difference in city's electrical prongs, battery compartment
It is connect with each input terminal of control circuit board, the output end connection of USB interface and control circuit board, the control circuit board is used
It is exported in the power supply of input is converted to normal voltage from USB interface.
Preferably, described fill on head is additionally provided with telephone wire input interface, the input terminal of telephone line interface and control circuit board
Connection.
Preferably, adjusting control circuit and power-switching circuit are equipped in the control circuit board.
Preferably, the adjusting control circuit includes mains electricity input end, telephone wire ac input end, the input of battery compartment direct current
End, mains electricity input end are electrically connected with city's electrical prongs, and telephone wire ac input end is electrically connected with telephone wire input interface, and battery compartment is straight
Stream input terminal is electrically connected with the electrode in battery compartment；The electric energy of mains electricity input end is depressured by bridge rectifier and oscillating circuit
Direct current is exported afterwards to power-switching circuit；The telephone wire ac input end exports direct current after leading to bridge rectifier rectification
To power-switching circuit；The battery compartment direct-flow input end is connected by the input terminal of diode and power-switching circuit.
Preferably, the power-switching circuit include input terminal, capacitor, DC-DC chip, the first inductance, partial pressure branch with
And output end, input terminal are used to access the power supply of adjusting control circuit output, capacitance connection is between input terminal and ground for filtering
Wave is output to output end, the output of described partial pressure branch one end and DC-DC chip by the first inductance after DC-DC chip transformation
End connection, other end ground connection, the intermediate node of the partial pressure branch are connect with the feedback pin of DC-DC chip；Power-switching circuit
Output end connect with USB interface.
Preferably, battery is rechargeable battery, further includes charging circuit, and 220V alternating current fills battery by charging circuit
Electricity.
Preferably, the battery loaded in the battery compartment is No. 5 batteries or No. 7 batteries.
Preferably, charging control circuit is additionally provided in control circuit board, the input terminal and power supply of charging control circuit are converted
The output end of circuit connection, charging control circuit is connect with USB interface, and charging control circuit is for detecting that mobile phone electricity is full of
Afterwards, the connection of charger and electronic equipment is disconnected.
Emergency phone charger according to above-described embodiment passes through control circuit board since battery compartment being arranged on filling head
Voltage needed for the electric energy of battery in battery compartment is converted to the electronic equipments such as mobile phone charges for it, so that at power failure or family
It can charge under outer equal emergency ratings for mobile phone.Further, it fills on head and is additionally provided with telephone wire input interface, it can be by telephone wire
Power supply needed for interior AC energy is converted to electronic equipment expands energy presentation mode, even if battery power consumes in battery compartment
It can also be charged by telephone wire to the greatest extent and in the case where having a power failure.
Detailed description of the invention
Fig. 1 and Fig. 2 is the structural schematic diagram that an embodiment fills head；
Fig. 3 is to fill a functional block diagram；
Fig. 4 is the circuit diagram of adjusting control circuit；
Fig. 5 is the circuit diagram of power-switching circuit.
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.Wherein different embodiments
Middle similar component uses associated similar element numbers.In the following embodiments, many datail descriptions be in order to
The application is better understood.However, those skilled in the art can recognize without lifting an eyebrow, part of feature
It is dispensed, or can be substituted by other elements, material, method in varied situations.In some cases, this Shen
Please it is relevant it is some operation there is no in the description show or describe, this is the core in order to avoid the application by mistake
More descriptions are flooded, and to those skilled in the art, these relevant operations, which are described in detail, not to be necessary, they
Relevant operation can be completely understood according to the general technology knowledge of description and this field in specification.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).
Embodiment one:
Fig. 1 and Fig. 2, a kind of emergency phone charger of the application are please referred to, including fills head and data line, described fill in head sets
Have battery compartment 1, control circuit board, USB interface 2, a city's electrical prongs 3, in city's electrical prongs 3, battery compartment 1 electrode 11 respectively with
Each input terminal of control circuit board connects, and USB interface 2 is connect with the output end of control circuit board, and the control circuit board is used
It is exported in the power supply of input is converted to normal voltage from USB interface.No. 5 batteries of mountable 4 section of battery compartment totally 6 volts of voltage,
Input voltage as charger.When circuit output, exportable 5V, 9V or 12V voltage is power electronic equipment, and the application should not
It is limited to phone charger, can also be used as the charger of such as tablet computer, camera electronic equipment.
Referring to FIG. 2, the preferred embodiment as the application, fills on head and is additionally provided with telephone wire input interface 4, telephone wire
Interface 4 is connect with the input terminal of control circuit board.Telephone line interface 4 can access telephone wire, by 6 volts voltages of telephone wire
Input voltage as charger.Referring to FIG. 3, being equipped with adjusting control circuit 6 and power-switching circuit 7 in control circuit board 5.
Charging control circuit 8 is additionally provided in control circuit board 5, the input terminal of charging control circuit is connect with power-switching circuit, charging
The output end of control circuit is connect with USB interface, and charging control circuit is for disconnecting charger after detecting that mobile phone electricity is full of
With the connection of electronic equipment.
Wherein, adjusting control circuit includes mains electricity input end, telephone wire ac input end, battery compartment direct-flow input end, city
Electrical input is electrically connected with city's electrical prongs, and telephone wire ac input end is electrically connected with telephone wire input interface, and battery compartment direct current is defeated
Enter end to be electrically connected with the electrode in battery compartment；The electric energy of mains electricity input end is converted to 220V alternating current by bridge rectifier
Low-voltage DC, low-voltage DC pass through the switching tube Q1 switch control in oscillating circuit again and are converted to exchange electricity output, finally
Direct current, which is converted to, by diode VD5 rectification is output to power-switching circuit input terminal；The telephone wire ac input end is logical
Direct current is exported after bridge rectifier rectification to power-switching circuit；The battery compartment direct-flow input end passes through diode VD10
It is connect with the input terminal of power-switching circuit.The input terminal of power-switching circuit namely the output end of adjusting control circuit.
Wherein, power-switching circuit includes input terminal, capacitor, DC-DC chip U1, the first inductance L1 and divides branch,
Wherein capacitor includes the 90th capacitor C90 and the 96th capacitor C96 being connected in parallel, decompression chip use SY8204, the 9th
Ten capacitor C90 and the 96th capacitor C96 are connected in parallel between power input and ground for filtering, DC-DC chip transformation
It is output to output end by the first inductance L1 afterwards, partial pressure branch includes the resistance R104 and resistance R106 being connected in series, partial pressure branch
Road one end is connect with the power take-off BS of DC-DC chip, other end ground connection, the intermediate node and DC-DC core of the partial pressure branch
The feedback pin FB connection of piece, judges the voltage value of output end, by the voltage value of the feedback pin so as to adjust DC-DC chip
Power take-off BS output voltage, keep constant the voltage value of circuit output end.
As the preferred embodiment of the application, battery is rechargeable battery, further includes charging circuit, and 220V alternating current passes through
Charging circuit charges to battery.
As the preferred embodiment of the application, the battery loaded in the battery compartment is No. 5 batteries or No. 7 batteries.
The application have use AC 220 V spy voltage, 6 volts of voltages of telephone wire, 6 volts of voltages of dry cell direct current as
The function of the power input of charger can be as charger used in everyday when having 220 volts AC in use environment
It equally charges to mobile phone, when encountering the reasons such as have a power failure for a long time, and the power supply of telephone wire is not affected by power failure, at this time
Telephone wire can be connected, is charged using the voltage of telephone wire, or is charged using dry cell to mobile phone, therefore is protected
Having hindered mobile phone can in case of emergency be used with emergent charging.
Use above specific case is illustrated the present invention, is merely used to help understand the present invention, not to limit
The system present invention.For those skilled in the art, according to the thought of the present invention, can also make several simple
It deduces, deform or replaces.
Claims (8)
1. a kind of emergency phone charger, including fill head and data line, which is characterized in that described fill in head is equipped with battery compartment, control
Circuit board processed, USB interface, city's electrical prongs, the electrode in city's electrical prongs, battery compartment are each defeated with control circuit board respectively
Enter end connection, the output end connection of USB interface and control circuit board, the control circuit board is for being converted to the power supply of input
Normal voltage is exported from USB interface.
2. as described in claim 1 emergency phone charger, which is characterized in that it is described fill on head be additionally provided with telephone wire input connect
Mouthful, the input terminal of telephone line interface and control circuit board connects.
3. emergency phone charger as claimed in claim 2, which is characterized in that be equipped in the control circuit board and adjust control
Circuit and power-switching circuit.
4. emergency phone charger as claimed in claim 3, which is characterized in that the adjusting control circuit includes alternating current input
End, telephone wire ac input end, battery compartment direct-flow input end, mains electricity input end are electrically connected with city's electrical prongs, and telephone wire exchange is defeated
Enter end to be electrically connected with telephone wire input interface, battery compartment direct-flow input end is electrically connected with the electrode in battery compartment；Mains electricity input end
Electric energy by output direct current after bridge rectifier and oscillating circuit decompression to power-switching circuit；The telephone wire exchange
Input terminal exports direct current to power-switching circuit after leading to bridge rectifier rectification；The battery compartment direct-flow input end passes through two
The connection of the input terminal of pole pipe and power-switching circuit.
5. as claimed in claim 3 emergency phone charger, which is characterized in that the power-switching circuit include input terminal,
Capacitor, DC-DC chip, the first inductance, partial pressure branch and output end, input terminal are used to access the electricity of adjusting control circuit output
Source, capacitance connection are used to filter between input terminal and ground, are output to output end by the first inductance after DC-DC chip transformation,
Described partial pressure branch one end is connect with the output end of DC-DC chip, other end ground connection, the intermediate node and DC- of the partial pressure branch
The feedback pin of DC chip connects；The output end of power-switching circuit is connect with USB interface.
6. emergency phone charger as described in claim 1, which is characterized in that battery is rechargeable battery, further includes charging
Circuit, 220V alternating current charge to battery by charging circuit.
7. emergency phone charger as described in claim 1, which is characterized in that the battery loaded in the battery compartment is No. 5
Battery or No. 7 batteries.
8. emergency phone charger as claimed in claim 3, which is characterized in that be additionally provided with charge control electricity in control circuit board
The input terminal on road, charging control circuit is connect with power-switching circuit, and the output end of charging control circuit is connect with USB interface,
Charging control circuit is for disconnecting the connection of charger and electronic equipment after detecting that mobile phone electricity is full of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920713928.2U CN209562215U (en) | 2019-05-18 | 2019-05-18 | A kind of emergency phone charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920713928.2U CN209562215U (en) | 2019-05-18 | 2019-05-18 | A kind of emergency phone charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209562215U true CN209562215U (en) | 2019-10-29 |
Family
ID=68313789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920713928.2U Expired - Fee Related CN209562215U (en) | 2019-05-18 | 2019-05-18 | A kind of emergency phone charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209562215U (en) |
-
2019
- 2019-05-18 CN CN201920713928.2U patent/CN209562215U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191029 |