CN209282897U - A kind of mobile phone is with carrying charging unit - Google Patents
A kind of mobile phone is with carrying charging unit Download PDFInfo
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- CN209282897U CN209282897U CN201920264195.9U CN201920264195U CN209282897U CN 209282897 U CN209282897 U CN 209282897U CN 201920264195 U CN201920264195 U CN 201920264195U CN 209282897 U CN209282897 U CN 209282897U
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- power supply
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Abstract
A kind of mobile phone is with carrying charging unit, including shell, Switching Power Supply, charging plug wire, charging socket, more lithium storage batteries, USB power source socket, also there is conversion circuit, detection circuit, charging circuit, Switching Power Supply, conversion circuit, detection circuit, charging circuit, charging socket, more lithium storage batteries, the installation of USB power source socket connect on circuit boards and through conducting wire.The utility model prevents charging current is excessive lithium storage battery is caused to charge the excessive hidden danger for cause thermal damage occurred and even exploding of too fast, loading current, is also conducive to subsequent maintenance；Enclosure interior is increased because temperature anomaly occurs for various failures, out-put supply can be disconnected in time, reduces failure propagation, and gives user's audio communication prompt, the power supply of several single lithium storage battery outputs is in parallel connection and exports outward through USB power source socket, provides large capacity charge power supply for mobile phone.The utility model is easy to use, can play a protective role to lithium storage battery, and reduces the probability of failure, is effectively utilized resource.
Description
Technical field
The utility model relates to phone charger field, especially a kind of mobile phone is with carrying charging unit.
Background technique
With the progress of social economy, and the development of science and technology, the carry-on intelligent electronic device including mobile phone
Using more and more.By being limited by the electronic products shape such as mobile phone, the battery shape of mobile phone etc. cannot be excessive, capacity
It can not accomplish that people can usually encounter mobile phone etc. outdoors and not be available because of no electricity very greatly, therefore in practical applications
The problem of.It can be for user outdoors or indoor portable charger (popular name charger baby, the charger baby use for providing mobile charging
It is preceding fully charged to its inside lithium storage battery with charger) because its shape is small, is conducive to carry, capacitance foot can use outdoors
In time it is the charging such as mobile phone when the electronic products such as mobile phone are without electricity, therefore efficiently solves user and use mobile phone etc. without electricity outdoors
The shortcomings that Shi Wufa charges.
Existing mobile phone charge pal, internal structure are that several single lithium storage batteries etc. carry out in parallel (for example every list is only
Battery voltage 5V, 1 A of capacitor, then it is exactly 10A that the voltage of ten lithium storage batteries, which is exactly 5V, capacitance, due to consideration that after
It safeguards and needs in continuous use, be all to carry out in parallel, such charger baby using several single low capacity lithium storage batteries in charger baby
If generation single lithium storage battery damage in inside needs replacing, maintenance personal only needs to carry out single lithium storage battery of damage
Replacement can, save maintenance cost, the effective use conducive to resource, it is therefore prevented that only with a high-capacity lithium battery conduct
Battery after battery breaks down, is needed large-capacity battery integral replacing unnecessary economical pair to user's bring
Out, while also it is unfavorable for the effective use of resource), guaranteeing the capacitance of its subsequent output, sufficiently large (output no-load voltage is general
It is 5V).Single lithium storage battery of charger baby application, in order to guarantee that generally all tool prevents overcharge protection to its performance, when every
After single lithium storage battery is fully charged, every single lithium storage battery, which can be automatically stopped, to charge.Inside existing mobile phone charge pal
Several lithium storage batteries be it is big in parallel connection, capacity, when practical charging, in order to guarantee charging current needs, charger
Export electric current cannot it is too small can not be excessive (fully charged in 3 hours of general warranty), charging current is too small when will lead to charging
Between extend, charging current is excessive and lithium storage battery is easy to cause to damage.
It is more using the time etc. by manufacturing process due to having several single lithium storage batteries inside existing mobile phone charge pal
Aspect factor influences, and several single lithium storage batteries can not synchronize the power reservoir capacity maintained like, can bring a problem in this way,
Due to single battery have the function of it is fully charged after be automatically closed input charge power supply, it is in parallel it is single only or more batteries hairs
After raw storage performance decline, then it will stop charging within a short period of time because the output electric current of charger be it is constant,
The charging current of charger can all load be remaining several lithium storage batteries (the lithium storage battery sum of charging is reduced, that
Lithium storage battery charging current will become larger in remaining charging), actually this moment remaining several lithium storage batteries were in
Large current charge state, overcharge flow down, and are not only easy to cause single lithium storage battery overheat and damage, are also easy to because of electric current mistake
Greatly, the risk for causing single lithium storage battery to explode by overheat, this is also the master that charger baby is exploded in practical application
Want reason.When the failures such as explosion occur for lithium storage battery, actually there is a process, that is, initial stage temperature can slowly be got higher,
Its shell body temperature that causes to charge also slowly is got higher.
Based on above-mentioned, being automatically converted under reduced-current when providing a kind of charging is every single lithium storage battery charging, and is mentioned
High charge speed, effectivelying prevent one or more lithium storage batteries, remaining intact lithium storage battery is because of charging current when something goes wrong
It is excessive and damage, it can be automatically converted to parallel discharge after charging electricity, provide large capacity charge power supply for mobile phone etc., and there is detection
Circuit especially must in the internal mobile phone for occurring to disconnect out-put supply when temperature anomaly increases with carrying charging unit and seem
It wants.
Utility model content
In order to overcome mobile phone with carry charging equipment (charger baby) because structure limit there are the drawbacks of, the utility model
It provides with conversion circuit, every single lithium storage battery can be automatically converted in charging and respectively individually charged, every list is only
There is lithium storage battery respective charge power supply not interfere with each other, and several lithium storage battery charged in parallels be effectively prevented, wherein one
Or when several lithium storage battery damages, remaining intact lithium storage battery even explodes because damaging caused by super-high-current charging,
Also it is conducive to subsequent maintenance, resource is effectively utilized, and since every single lithium storage battery capacity is small, under safe charging electric current
Improve charging rate (if existing charger baby matching charger output current is small, simultaneously due to more lithium storage batteries
It is big to join capacitance, therefore opposite charging rate can be slack-off, under safe charging electric current, single lithium storage battery is filled since capacitance is low
Electric speed will improve), it can be automatically converted to parallel discharge after charging electricity, large capacity charge power supply is provided for mobile phone etc., also have
There is detection circuit, under extreme case, when enclosure interior is increased because temperature anomaly occurs for various failures, output electricity can be disconnected in time
Source, and user's audio communication prompt is awarded, a kind of mobile phone for asking professional to carry out troubleshooting in time is filled with charging is carried
It sets.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of mobile phone is with carrying charging unit, including shell, Switching Power Supply, charging plug wire, charging socket, more lithiums
Battery, USB power source socket, it is characterised in that also there is conversion circuit, detection circuit, charging circuit, Switching Power Supply, conversion electricity
On circuit boards, circuit board is pacified for road, detection circuit, charging circuit, charging socket, more lithium storage batteries, the installation of USB power source socket
Middle part, the power input both ends of Switching Power Supply are connected through conducting wire respectively with the power input both ends of charging socket in shell,
Charging circuit multichannel having the same, the power input two at power supply the output both ends and conversion circuit, detection circuit of Switching Power Supply
End is connected through circuit board wiring respectively, and the power output end anode of multichannel charging circuit and multiple control power supplys of conversion circuit are defeated
Enter end, more lithium storage battery cathode power supply input terminals are connected through circuit board wiring respectively, multiple power output ends of conversion circuit
It is connected with the cathode power supply input terminal of USB power source socket through circuit board wiring, the negative power supply output end and USB of Switching Power Supply are inserted
Seat negative power supply input terminal, more negative electrode of lithium accumulator power inputs, multichannel charging circuit negative power supply input terminal through electricity
The wiring connection of road plate, the both ends for the plug wire that charges respectively haves there are two plug wire stake, and wherein charging socket is inserted into the plug wire stake of one end two
In two jacks, in two plug wire stake insertion alternating current 220V AC Power supply sockets of the other end, charging plug wire and charging socket are in
The power output end anode of separate type state, Switching Power Supply is connected with detection circuit control power input through circuit board wiring,
Detection circuit cathode power supply output end is connected with multichannel charging circuit cathode power supply input terminal through circuit board wiring.
The shell is plastic material, and two jacks of charging socket are located in two, the left portion aperture of shell upper end, benefit
It is inserted into charging plug wire from outside, the jack of USB power source socket is located in the upper center opening of shell, conducive to external mobile phone
The plug insertion of charger USB charging plug wire.
The Switching Power Supply is that the alternating current 220V of model XK-2412DC turns direct current 12V switch power module finished product, has two
A 1 and 2 foot of power input, two power output ends 3 and 4 feet, output electric current is 10A.
The more lithium storage batteries, it is 1.5A that every specification nominal voltage, which is 5V, capacitance, and shape is cylindricality, every lithium
Battery is with overcharge protection circuit is prevented, and after every single lithium storage battery is fully charged, every single lithium storage battery can be certainly
Dynamic stopping is charged, the more lithium storage batteries from top to bottom rear side end spaced apart for being welded on circuit board, Switching Power Supply,
USB power source socket, charging socket, conversion circuit, detection circuit, charging circuit are welded on the front side end of circuit board.
The conversion circuit includes more relays and resistance, light emitting diode, the number of elements of relay and charging circuit
Number is consistent, connects therebetween through circuit board wiring, and more relay negative power supply input terminals are connected with light emitting diode cathode, more
The normally-closed contact end of relay is connected in parallel, and more relay cathode power supply input terminals are connected with resistance one end, and resistance is another
End is connected with light emitting diode anode, and the front end of light emitting diode is located in the aperture of first, housing forward end top, is conducive to from shell
Body external observation luminous situation.
The detection circuit includes resistance, temperature detect switch (TDS), NPN triode, buzzer, relay, therebetween through circuit board cloth
Line connection, temperature switch are 40 DEG C of flat-shaped normally opened contact temperature detect switch (TDS)s of model KSD9700, and temperature switch is located on rear side of circuit board
End middle part, first resistance one end and relay cathode power supply input terminal and control power input connect, and first resistance is another
One end is connected with temperature detect switch (TDS) one end, and the temperature detect switch (TDS) other end is connected with NPN transistor base, NPN triode collector and after
The connection of electric appliance negative power supply input terminal, NPN triode emitter and buzzer negative power supply input terminal, second resistance one end connect
Connect, relay normally open contact end is connected with buzzer and light emitting diode cathode power supply input terminal, second resistance other end and
The connection of light emitting diode cathode, the front end of light emitting diode are located in the aperture of second, housing forward end top, are conducive to outside shell
Portion observes luminous situation, the front end of buzzer be located at the third aperture of housing forward end top it is interior on rear side of, conducive to sound to unofficial biography
Out.
Every road charging circuit includes ceramic disc capacitor, the fixed output voltage stabilizer in three ends, is connected therebetween through circuit board wiring,
The fixed output voltage stabilizer model in three ends is 78M05B, and it is 500mA, the fixed output in three ends that output voltage, which is direct current 5V, output electric current,
1 foot of cathode power supply input terminal of voltage-stablizer and first ceramic disc capacitor one end connection, the anode electricity of the fixed output voltage stabilizer in three ends
3 foot of source output terminal and the connection of second ceramic disc capacitor one end, 2 foot of negative power supply output end of the fixed output voltage stabilizer in three ends and the
One ceramic disc capacitor other end, second ceramic disc capacitor other end connection.
The utility model beneficial effect is: the utility model is in use, wherein the plug wire stake insertion of one end two is filled charging plug wire
In two jacks of electrical socket, in two plug wire stake insertion alternating current 220V AC Power supply sockets of the other end, Switching Power Supply output
After 12V DC power supply enters multichannel charging circuit, the 5V DC power supply of multichannel charging circuit output respectively enters several single lithiums
Battery feed input terminal, thus charge respectively for more lithium storage batteries, the 5V DC power supply difference of more lithium storage battery output
Into multiple control terminals of conversion circuit, since every single lithium storage battery is charged by every single channel charging circuit, multichannel charging
The power supply of circuit output is not interfere with each other, so in charging process, if wherein one or more lithium storage batteries it is fully charged after, remaining
Lithium storage battery in charging still maintains initial charging current, it is therefore prevented that charging current is excessive to lead to lithium electric power storage in remaining charging
Charge too fast, the excessive hidden danger for cause thermal damage occurred and even exploding of loading current in pond, is also conducive to subsequent maintenance, is effectively utilized
Resource.In the utility model, since every single lithium storage battery capacitance is small, it is (existing under safe charging electric current to improve charging rate
If charger baby matching charger output current is small, since capacitance is big after more lithium storage batteries parallel connections, phase
Can be slack-off to charging rate, under safe charging electric current, single lithium storage battery will be improved due to the low charging rate of capacitance).
In charging, under detection circuit effect, under extreme case, enclosure interior is increased because temperature anomaly occurs for various failures, temperature
When more than 40 DEG C, out-put supply can be disconnected in time, reduces the probability of failure propagation, and awards user's audio communication prompt, this
Sample user can ask professional in time or voluntarily carry out troubleshooting.After charging electricity, under conversion circuit effect, several lists are only
The power supply of lithium storage battery output is in parallel connection and exports outward through USB power source socket, provides large capacity charging for mobile phone etc.
Power supply can be by several lists in parallel only after the USB plug of phone charger plug wire is inserted into USB power source socket by user
The power supply of lithium storage battery output is the charging such as mobile phone.The utility model is easy to use, can play a protective role to lithium storage battery, and reduce
The probability of failure, is effectively utilized resource, so having good application prospect.
Detailed description of the invention
The utility model is described further below in conjunction with drawings and examples.
Fig. 1 is utility model structural schematic diagram.
Fig. 2 is utility model Switching Power Supply, charging plug wire, charging socket, two, USB power source in ten lithium storage batteries
Socket, the part of conversion circuit, detection circuit, the circuit diagram between the two-way in No. ten charging circuits.
Specific embodiment
Shown in Fig. 1, a kind of mobile phone is with carrying charging unit, including shell 1, Switching Power Supply 2, charging plug wire 3, fills
Electrical socket 4, ten lithium storage batteries 5, USB power source sockets 9 also have conversion circuit 6, detection circuit 7, charging circuit 8, switch electricity
Source 2, conversion circuit 6, detection circuit 7, No. ten charging circuits 8,4, ten lithium storage batteries 5 of charging socket, USB power source socket 9 are pacified
On circuit boards, circuit board is mounted on middle part in shell 1 to dress, the both ends of charging plug wire 3 respectively have there are two plug wire stake, wherein one end
In two jacks of two plug wire stake insertion charging sockets 4, alternating current 220V AC Power supply socket is inserted into two plug wire stakes of the other end
Interior, charging plug wire 3 and charging socket 4 are in separate type state.
Shown in Fig. 1, shell 1 is plastic material, and two jacks of charging socket 4 are located at two, the left portion in 1 upper end of shell
In aperture, it is conducive to charging plug wire 3 and is inserted into from outside, the jack of USB power source socket 9 is located in the upper center opening of shell 1, benefit
In the plug insertion of external phone charger USB charging plug wire.Ten lithium storage batteries 5, every specification nominal voltage are 5V, electricity
Capacity is 1.5A, and shape is cylindricality, and every lithium storage battery is with overcharge protection circuit is prevented, when every single lithium storage battery
After fully charged, every single lithium storage battery, which can be automatically stopped, to charge, the weldering spaced apart from top to bottom of ten lithium storage batteries 5
Connect the rear side end in circuit board, Switching Power Supply 2, charging socket 4, conversion circuit 6, detection circuit 7, charging circuit 8, USB power source
Socket 9 is welded on the front side end of circuit board.The front end of the light emitting diode 61 of conversion circuit is located at 1 upper front end of shell first
In aperture, it is conducive to from 1 external observation luminous situation of shell.The temperature switch 71 of detection circuit is located in the middle part of circuit board rear side end,
The front end of light emitting diode 72 is located in the aperture of second, housing forward end top, is conducive to from 1 external observation luminous situation of shell, news
The front end of Chinese percussion instrument 73 is located at rear side in 1 upper front end third aperture of shell, conducive to the outside outflow of sound.
Shown in Fig. 2, Switching Power Supply A1 be model XK-2412DC alternating current 220V turn direct current 12V switch power module at
Product, there are two power input 1 and 2 feet, two power output ends 3 and 4 feet for tool, and output electric current is 10A.Ten lithium storage batteries
(representing ten lithium storage batteries between G-GN, G to GN altogether), it is 1.5A that every specification nominal voltage, which is 5V, capacitance, and shape is column
Shape, every lithium storage battery (one in G-GN) have prevent overcharge protection circuit, as every single lithium storage battery (G-GN
In one) it is fully charged after, every single lithium storage battery (one in G-GN) can be automatically stopped and charge, ten lithium storage batteries
(G-GN) the from top to bottom rear side end spaced apart for being welded on circuit board.Conversion circuit include ten relays (K1-K1N,
Ten relays are represented between K1 to K1N altogether) and resistance R2, Light-emitting diode LED 2, the number of elements of relay (K1-K1N) and fill
The number of circuit is unanimously ten, is connected therebetween through circuit board wiring, ten relay (K1-K1N) negative power supply input terminals
It is connected with 2 cathode of Light-emitting diode LED, the normally-closed contact end of ten relays (K1-K1N) is connected in parallel, ten relays
(K1-K1N) cathode power supply input terminal is connected with the one end resistance R2, the 2 anode connection of the resistance R2 other end and Light-emitting diode LED,
The front end of Light-emitting diode LED 2 is located in the aperture of first, housing forward end top, is conducive to the luminous situation from hull outside.
Detection circuit includes resistance R and R1, temperature detect switch (TDS) W, NPN triode Q1, buzzer B, relay K, therebetween through circuit board wiring
Connection, temperature switch W are 40 DEG C of flat-shaped normally opened contact temperature detect switch (TDS)s of model KSD9700, and temperature switch W is located on rear side of circuit board
End middle part, first one end resistance R and relay K cathode power supply input terminal and control power input connect, first resistance R
The other end is connected with the one end temperature detect switch (TDS) W, and temperature control is opened the pass the W other end and connected with NPN triode Q1 base stage, NPN triode Q1 collection
Electrode is connected with relay K negative power supply input terminal, NPN triode Q1 emitter and buzzer B negative power supply input terminal, second
The connection of one end resistance R1, relay K normally opened contact end and buzzer B and 1 cathode power supply input terminal of Light-emitting diode LED connect
It connects, second resistance R1 other end is connected with 1 cathode of Light-emitting diode LED, before the front end of Light-emitting diode LED 1 is located at shell
It holds in the aperture of second, top, is conducive to the luminous situation from hull outside, the front end of buzzer B is located at housing forward end top the
Rear side in three apertures, conducive to the outside outflow of sound.Every road charging circuit include ceramic disc capacitor (one in C1-C1N and
One in C2-C2N, C1-C1N and C2-C2N respectively represent ten ceramic disc capacitors), the fixed output voltage stabilizer in three ends is (in A2-A2N
One, the fixed output voltage stabilizers in ten three ends are represented between A2 to A2N altogether), connected therebetween through circuit board wiring, three ends are fixed
Output voltage stabilizer (A2-A2N) model is 78M05B, and it is 500mA, the fixed output in three ends that output voltage, which is direct current 5V, output electric current,
1 foot of cathode power supply input terminal of voltage-stablizer (A2-A2N) and first ceramic disc capacitor (one in C1-C1N, between C1 to C1N
Ten ceramic disc capacitors are represented altogether) one end connection, the cathode power supply output of three ends fixed output voltage stabilizer (one in A2-A2N)
3 feet and second ceramic disc capacitor (representing ten ceramic disc capacitors one in C2-C2N, between C2 to C2N altogether) one end are held to connect, three
Hold 2 foot of negative power supply output end and first ceramic disc capacitor (one in C1-C1N) other end, the of fixed output voltage stabilizer
Two ceramic disc capacitor (in C2-C2N one) other end connections.
Shown in Fig. 2, the power input both ends point of the power input both ends 1 of Switching Power Supply A1 and 2 feet and charging socket CZ
It is not connected through conducting wire.Charging circuit ten tunnel having the same, the power supply output both ends 3 of Switching Power Supply A1 and 4 feet and conversion circuit
Power input both ends (positive and negative polarities of relay K1-K1N), the power input both ends relay K cathode power supply of detection circuit are defeated
Enter end and NPN triode Q1 emitter is connected through circuit board wiring respectively.Positive (three ends of the power output end of No. ten charging circuits
3 feet of fixed output voltage stabilizer A2-A2N) and ten control power inputs of conversion circuit (control of relay K1-K1N is electric
Source input terminal), ten lithium storage battery (G-GN) cathode power supply input terminals connect through circuit board wiring respectively.Ten of conversion circuit
The cathode power supply input terminal of power output end (the normally-closed contact end of relay K1-K1N) and USB power source socket is through circuit board wiring
Connection.4 foot of negative power supply output end and USB socket negative power supply input terminal of Switching Power Supply A1, ten lithium storage batteries (G-GN)
Negative power supply input terminal (2 feet of the fixed output voltage stabilizer A2-A2N in three ends) warp of negative power supply input terminal, No. ten charging circuits
Circuit board wiring connection.The both ends of charging plug wire CX respectively haves there are two plug wire stake, and wherein the plug wire stake insertion charging of one end two is slotting
In two jacks of seat CZ, in two plug wire stake insertion alternating current 220V AC Power supply sockets of the other end, charge plug wire CX and charging
Socket CZ is in separate type state.The positive 3 foot detection circuits of the power output end of Switching Power Supply A1 and relay K control power supply are defeated
Enter end to connect through circuit board wiring, detection circuit cathode power supply output end relay K normally-closed contact Duan He No. ten charging circuit is just
Pole power input (1 foot of the fixed output voltage stabilizer A2-A2N in three ends) is connected through circuit board wiring.
Shown in Fig. 2, in the utility model, the completely the same construction and use principle of No. ten charging circuits (includes one
The fixed output voltage stabilizer in three ends and two ceramic disc capacitors), ten lithium storage battery (G-GN) specifications it is completely the same (be voltage 5V,
Capacitance 1.5A), ten control power inputs of conversion circuit, ten power output ends construct and use principle complete one
Cause (including a relay)；Based on above-mentioned, the utility model is with wherein two-way charging circuit, two control power supplys of conversion circuit
Input terminal and two power output ends, wherein two lithium storage batteries and Switching Power Supply A1, charging plug wire CX, charging socket CZ, USB
Work relationship and working principle between power outlet, detection circuit do representative explanation.
It is subsequent for convenience to charge to outdoor for mobile phone etc. shown in Fig. 2, it needs the utility model being pre-filled with electricity；It fills
When electric, in charging plug wire CX wherein two jacks of the two plug wire stake insertion charging socket CZ in one end, charging plug wire CX is another
It holds in two plug wire stake insertion alternating current 220V AC Power supply sockets, in this way, the electricity of 220V AC power source meeting access switch power supply A1
Source input terminal 1 and 2 feet, then, under the effect of Switching Power Supply A1 internal circuit, 3 foot of power output end of Switching Power Supply A1 is exported
Stable 12V, the positive DC power supply that electric current is 10A control power input, normally-closed contact end through the relay K of detection circuit
(relay K controls power input, normally-closed contact end closed communicating now at power failure state) enters No. ten charging circuits
Cathode power supply input terminal, the DC power supply that 4 foot of power output end of Switching Power Supply A1 exports stable 12V, electric current is 10A is negative
The negative power supply input terminal that pole enters No. ten charging circuits (is fixed into three end of power input both ends of wherein two-way charging circuit
1 and 2 feet of 1 and 2 feet of output voltage stabilizer A2, the fixed output voltage stabilizer A2N in three ends), No. ten charging circuits circuit inside it
Under effect, stable 500mA, 5V DC power supply can be exported from 3 and 2 feet of the fixed output voltage stabilizer in three ends respectively, respectively enterd
(3 and 2 feet of the fixed output voltage stabilizer A2 in three ends export stable 500mA, 5V direct current at ten lithium storage battery power input both ends
Source enters the two poles of the earth lithium storage battery G, 3 and 2 feet of the fixed output voltage stabilizer A2N in three ends export stable 500mA, 5V DC power supply into
Enter the two poles of the earth lithium storage battery GN), it charges respectively so that No. ten charging circuits are divided into ten lithium storage batteries, and respectively enter conversion circuit
Ten control power inputs (into the control power input of relay K1 and K1N)；Due to No. ten charging circuits difference
It charges for ten lithium storage batteries, the output electric current of every road charging circuit is constant 500mA, 5V DC power supply, and every single lithium stores
Battery is charged by every single channel charging circuit, and the power supply of No. ten charging circuits output is not interfere with each other, so in charging process,
Single lithium storage battery prevent overcharge protection act under, if wherein one or more lithium storage batteries it is fully charged, one or
After more lithium storage batteries are automatically stopped charging, the lithium storage battery in remaining charging still maintains initial charging current 500mA, prevents
Stopped charging current it is excessive cause remaining charge in the too fast, loading current of lithium storage battery charging excessive cause thermal damage occurred even quick-fried
Fried hidden danger, due to separating electric power storage using ten single lithium storage batteries, in this way, wherein after one or more lithium storage batteries damages,
Need the battery that will be damaged replacement can, be conducive to subsequent maintenance, be effectively utilized resource.In actual use, when switch electricity
After 3 and 4 feet of source A1 export stable 12V DC power supply, 12V power supply can synchronize the positive and negative polarities power input into conversion circuit
End, then, ten relays of conversion circuit obtain electric actuation, and it controls power input and normally-closed contact end open circuit (relay
The positive and negative polarities power input of K1, K1N obtain electric actuation, and it controls power input and normally-closed contact end open circuit), due to ten tunnels
(3 feet of the fixed output voltage stabilizer A2 in three ends, three ends fix the 3 of output voltage stabilizer A2N to the power output end anode of charging circuit
Foot) and ten of conversion circuit control power inputs (control electricity of the control power input of relay K1, relay K1N
Source input terminal), ten lithium storage battery (lithium storage battery G, lithium storage battery GN) cathode power supply input terminals connect through circuit board wiring respectively
It connects, ten power output ends of the conversion circuit normally-closed contact end of relay K1N (the normally-closed contact end of relay K1) and USB
The cathode power supply input terminal of power outlet is connected through circuit board wiring, this moment, ten relays obtain it is electric be attracted its control power supply it is defeated
Enter end and normally-closed contact end open circuit (the positive and negative polarities power input of relay K1, K1N obtain it is electric be attracted its control power input
Open a way with normally-closed contact end), so, the cathode power supply of ten lithium storage batteries (lithium storage battery G, lithium storage battery GN) output will not be into
The cathode power supply input terminal for entering USB power source socket ensure that ten lithium storage batteries are not interfere with each other each in charged state；Charging
In the process, the cathode power supply of the 3 feet output of Switching Power Supply A1 can also enter Light-emitting diode LED 2 just through resistance R2 decompression current limliting
Pole, due to, 4 feet of 2 cathode of Light-emitting diode LED and Switching Power Supply A1 communicate, so, in charging, 2 meeting of Light-emitting diode LED
Electroluminescence is obtained always and gives user's prompt, and equipment is generally in charged state；It is similar with common charger baby charging process, interval
3 hours or so, all lithium storage batteries it is fully charged, user takes out charging one end plug wire CX out of 220V power outlet, then
Charging plug wire CX is taken out out of charging socket CZ, this moment, due to 220V AC power source no longer the 1 and 2 of access switch power supply A1
Foot, then 3 and 4 feet of Switching Power Supply A1 also no longer output 12V DC power supply enter No. ten charging circuits and conversion circuit, ten
It is ten lithium storage battery chargings that road charging circuit, which no longer distinguishes out-put supply, meanwhile, ten relays of conversion circuit are due to losing
Electricity, controls power input and normally-closed contact end is respectively closed, due to the power output end anode (three of No. ten charging circuits
Hold 3 feet of fixed output voltage stabilizer A2,3 feet of the fixed output voltage stabilizer A2N in three ends) and ten control power supplys of conversion circuit it is defeated
Enter end (the control power input for controlling power input, relay K1N of relay K1), ten lithium storage battery (lithium electric power storages
Pond G, lithium storage battery GN) cathode power supply input terminal connects through circuit board wiring respectively, ten power output ends of conversion circuit (after
The normally-closed contact end of electric appliance K1, relay K1N normally-closed contact end) and USB power source socket cathode power supply input terminal through circuit
Plate wiring connection, this moment, ten relay electric-loss be no longer attracted its control power input and normally-closed contact end be respectively closed (after
The power loss of electric appliance K1, K1N are no longer attracted its control power input and normally-closed contact end is respectively closed), so, at this point, ten
The positive pole of lithium storage battery (G, GN) output can enter USB socket cathode power supply input terminal simultaneously, due to ten lithium storage batteries
The cathode of (G, GN) is connected with USB socket negative power supply input terminal through conducting wire, so ten lithium storage batteries (G, GN) are through USB this moment
The positive and negative polarities power supply of socket output is practically at parallel connection, and total capacitance has reached 15A or so, can mention for mobile phone etc.
It, can be by simultaneously after the USB plug of phone charger plug wire is inserted into USB power source socket by user for large capacity charge power supply
The power supply of several single lithium storage batteries output of connection is the charging such as mobile phone；When the power output end of Switching Power Supply A1 no longer exports electricity
Behind source, Light-emitting diode LED 2 can also stop shining, achieve the purpose that save electric energy.In the utility model, due to every single lithium electric power storage
Tankage is small, and charging rate is improved under safe charging electric current (if existing charger baby matching charger output current
It is small, then due to after more lithium storage batteries are in parallel capacitance it is big, opposite charging rate can be slack-off, in safe charging electric current
Under, single lithium storage battery will be improved due to the low charging rate of capacitance).
Shown in Fig. 2, in detection circuit: it uses in 220V power source charges, as long as enclosure interior temperature is lower than 40 DEG C, by
In, two contacts are in open-circuit condition inside temperature detect switch (TDS) W, then, the base stage of NPN triode Q1 without suitable bias current due to being in
By state, relay K is in power failure state, and it controls power input and normally-closed contact end closure, due to Switching Power Supply A1
Positive 3 feet of power output end connect with relay K control power input, the charging of ten tunnel relay K normally-closed contact Duan He is electric
Road cathode power supply input terminal (1 foot of the fixed output voltage stabilizer A2-A2N in three ends) connection, so this moment, Switching Power Supply A1 output
12V power supply can normally enter the power input of No. ten charging circuits, while charge normal for ten lithium storage batteries.In charging,
Either any reason causes circuit or lithium storage battery failure to cause enclosure interior temperature to increase, be higher than 40 DEG C, in temperature detect switch (TDS) W
Two, portion normally opened contact can be in connected state, then, the temperature control that the base stage of NPN triode Q1 is closed through resistance R, inner contact
Switch W obtains suitable bias current conducting from 3 feet of Switching Power Supply A1, and then its collector of NPN triode Q1 output low level enters
Relay K negative power supply input terminal (relay K cathode power supply input terminal is communicated with 3 feet of Switching Power Supply A1 at this time), then, after
Electric appliance K obtains electric actuation, and it controls power input and the disconnection of normally-closed contact end, controls power input and normally opened contact end is closed
It closes, due to, positive 3 feet of the power output end of Switching Power Supply A1 are connected with relay K control power input through circuit board wiring,
Relay K normally-closed contact Duan He No. ten charging circuit cathode power supply input terminal (1 foot of the fixed output voltage stabilizer A2-A2N in three ends)
It is connected through circuit board wiring, so this moment, it also would not can be ten lithiums that No. ten charging circuits power loss can no longer work simultaneously again
Battery charging, it is therefore prevented that ten lithium storage batteries are because of failure propagation caused by continuing charging；Due to the normally opened touching of relay K
Point end is connected with buzzer B and 1 cathode power supply input terminal of Light-emitting diode LED, 1 negative electricity of buzzer B and Light-emitting diode LED
4 feet of source input terminal and Switching Power Supply A1 communicate (4 feet of 1 negative power supply input terminal of Light-emitting diode LED and Switching Power Supply A1 it
Between there is a resistance R1, resistance R1 to play antihypertensive effect), so being sent out simultaneously at this point, buzzer B can issue loud voice prompt
Optical diode LED1 can shine, and give user's acousto-optic hint enclosure interior failure temperature overtemperature, such user can
Ask professional in time or voluntarily carry out troubleshooting, user charging plug wire CX from 220V power outlet taking-up after, information ring
Device B and Light-emitting diode LED 1 power loss can no longer work simultaneously.The utility model is easy to use, and protection can be played to lithium storage battery and is made
With, and reduce the probability of failure, it is effectively utilized resource, so having good application prospect.In the utility model, ten tunnels charging electricity
Road per the fixed output voltage stabilizer in three ends and two ceramic disc capacitors are only included all the way, and at low cost, structure is also relatively simple, effectively
It overcomes in the prior art, several lithium storage batteries are charged using same power supply, wherein one or more lithium storage batteries
After failure, remaining intact lithium storage battery because charging current is excessive be easily damaged the shortcomings that；Conversion circuit is also ten
Relay, it is at low cost, structure is simple.
In Fig. 2, ceramic disc capacitor C1-C1N totally ten specifications it is consistent, be 0.33 μ F；Ceramic disc capacitor C2-C2N is advised for ten totally
Lattice are consistent, are 0.1 μ F；Resistance R resistance value is 470K；NPN triode Q1 model is 9013；Relay K is model DC4100
The happy brand midget relay of pine；Totally ten specifications are consistent by relay K1-K1N, are the happy miniature relays of brand of pine of model DC4100
Device；Buzzer B is that the miniature active continuous audio communication of the 12V of brand wing alliance rings alarm；Light-emitting diode LED 2, LED1 are yellow respectively
Color, red light emitting diodes；Resistance R1, R2 resistance value is 2K.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above, for
For those skilled in the art, it is clear that the utility model is limited to the details of above-mentioned exemplary embodiment, and without departing substantially from this reality
In the case where with novel spirit or essential attributes, the utility model can be realized in other specific forms.Therefore, no matter from
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by appended
Claim rather than above description limit, it is intended that the institute that will be fallen within the meaning and scope of the equivalent elements of the claims
It changes and is embraced therein.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of mobile phone is with carrying charging unit, including shell, Switching Power Supply, charging plug wire, charging socket, more lithiums store
Battery, USB power source socket, it is characterised in that also there is conversion circuit, detection circuit, charging circuit, Switching Power Supply, conversion electricity
On circuit boards, circuit board is pacified for road, detection circuit, charging circuit, charging socket, more lithium storage batteries, the installation of USB power source socket
Middle part, the power input both ends of Switching Power Supply are connected through conducting wire respectively with the power input both ends of charging socket in shell,
Charging circuit multichannel having the same, the power input two at power supply the output both ends and conversion circuit, detection circuit of Switching Power Supply
End is connected through circuit board wiring respectively, and the power output end anode of multichannel charging circuit and multiple control power supplys of conversion circuit are defeated
Enter end, more lithium storage battery cathode power supply input terminals are connected through circuit board wiring respectively, multiple power output ends of conversion circuit
It is connected with the cathode power supply input terminal of USB power source socket through circuit board wiring, the negative power supply output end and USB of Switching Power Supply are inserted
Seat negative power supply input terminal, more negative electrode of lithium accumulator power inputs, multichannel charging circuit negative power supply input terminal through electricity
The wiring connection of road plate, the both ends for the plug wire that charges respectively haves there are two plug wire stake, and wherein charging socket is inserted into the plug wire stake of one end two
In two jacks, in two plug wire stake insertion alternating current 220V AC Power supply sockets of the other end, the power output end of Switching Power Supply is just
Pole is connected with detection circuit control power input through circuit board wiring, detection circuit cathode power supply output end and multichannel charging electricity
Road cathode power supply input terminal is connected through circuit board wiring.
2. a kind of mobile phone according to claim 1 is with carrying charging unit, it is characterised in that shell is plastic material,
Two jacks of charging socket are located in two, the left portion aperture of shell upper end, and the jack of USB power source socket is located at the upper of shell
It holds in intermediate openings.
3. a kind of mobile phone according to claim 1 is with carrying charging unit, it is characterised in that Switching Power Supply is exchange
220V turns direct-current switch power supply module.
4. a kind of mobile phone according to claim 1 is with carrying charging unit, it is characterised in that more lithium storage batteries by
The rear side end spaced apart for being welded on circuit board under, Switching Power Supply, USB power source socket, charging socket, conversion electricity
Road, detection circuit, charging circuit are welded on the front side end of circuit board.
5. a kind of mobile phone according to claim 1 is with carrying charging unit, it is characterised in that conversion circuit includes more
Relay and resistance, light emitting diode, the number of elements of relay and the number of charging circuit are consistent, connect therebetween through circuit board wiring
It connects, more relay negative power supply input terminals are connected with light emitting diode cathode, and the normally-closed contact end parallel connection of more relays connects
It connects, more relay cathode power supply input terminals are connected with resistance one end, and the resistance other end is connected with light emitting diode anode.
6. a kind of mobile phone according to claim 1 is with carrying charging unit, it is characterised in that detection circuit includes electricity
Resistance, temperature detect switch (TDS), NPN triode, buzzer, relay, connect through circuit board wiring therebetween, and temperature switch is model
40 DEG C of normally opened contact temperature detect switch (TDS)s of KSD9700, temperature switch are located in the middle part of circuit board rear side end, first resistance one end and after
Electric appliance cathode power supply input terminal and control power input connection, first resistance other end are connected with temperature detect switch (TDS) one end, temperature
The control switch other end is connected with NPN transistor base, and NPN triode collector is connected with relay negative power supply input terminal, NPN
Transistor emitter is connected with buzzer negative power supply input terminal, second resistance one end, relay normally open contact end and information ring
Device and the connection of light emitting diode cathode power supply input terminal, second resistance other end are connected with light emitting diode cathode.
7. a kind of mobile phone according to claim 1 is with carrying charging unit, it is characterised in that every road charging circuit packet
Ceramic disc capacitor, the fixed output voltage stabilizer in three ends are included, is connected therebetween through circuit board wiring, the fixed output voltage stabilizer model in three ends is
78M05B, 1 foot of cathode power supply input terminal of the fixed output voltage stabilizer in three ends and first ceramic disc capacitor one end connection, three ends are fixed
3 foot of cathode power supply output end of output voltage stabilizer and second ceramic disc capacitor one end connection, the fixed output voltage stabilizer in three ends are born
2 foot of pole power output end and first ceramic disc capacitor other end, second ceramic disc capacitor other end connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920264195.9U CN209282897U (en) | 2019-03-02 | 2019-03-02 | A kind of mobile phone is with carrying charging unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920264195.9U CN209282897U (en) | 2019-03-02 | 2019-03-02 | A kind of mobile phone is with carrying charging unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970976A (en) * | 2019-12-23 | 2020-04-07 | 辽宁科技大学 | Storage battery charging box |
| CN113595171A (en) * | 2021-06-29 | 2021-11-02 | 深圳市倍特力电池有限公司 | Outdoor power supply capable of being charged quickly |
-
2019
- 2019-03-02 CN CN201920264195.9U patent/CN209282897U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970976A (en) * | 2019-12-23 | 2020-04-07 | 辽宁科技大学 | Storage battery charging box |
| CN113595171A (en) * | 2021-06-29 | 2021-11-02 | 深圳市倍特力电池有限公司 | Outdoor power supply capable of being charged quickly |
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