CN207339322U - A kind of charger circuit and the charger comprising the circuit - Google Patents

Abstract

The utility model provides a kind of charger circuit; including charging circuit, LED circuit, MCU control circuit, booster circuit, reverse-connection protection circuit, USB input circuits, USB output circuits, LCD display circuit, the charging circuit, reverse-connection protection circuit and booster circuit are connected with battery plus-negative plate；The USB input circuits are connected with the charging circuit；The MCU control circuit is connected with the charging circuit, booster circuit, LED circuit, LCD display circuit；The USB output circuits are connected with the booster circuit, LED circuit；Additionally provide a kind of charger for including the circuit；Realizing can charge to Ni-MH battery and charge to lithium battery, moreover it is possible to serve as mobile power, also achieve and charged using stabling current and voltage to battery；It is avoided that in the case of human operational error and causes damage to battery and battery charger；Can situation that is apparent, intuitively showing battery and charger by LCD display；More preferable lighting condition can be provided using LED light group.

Description

A kind of charger circuit and the charger comprising the circuit

Technical field

Charger circuit, charger field are the utility model is related to, more particularly to a kind of Multifunctional battery charger electricity Road and the charger comprising the circuit.

Background technology

Since battery is by invention, by improvement and development for many years, battery into our daily lifes not The part that can or lack, it may be said that as long as the place for having electric appliance just has the presence of battery.But initial battery design is one Secondary property, and pollution of the various materials such as heavy metal of inside battery to environment is extremely serious, a button cell can pollute 600 cubic metres of water, equivalent to the amount of drinking water in people's all one's life；One section dry cell can pollute 12 cubic meter of water or soil, and make Into permanent public hazards.So in order to realize recycling for battery, resource is saved, reduces the pollution of environment, people invent The chargeable rechargeable battery of a variety of materials, the thing followed then adapt to the charger of the battery of a variety of materials.

Battery charger used in people is mainly nickel-metal hydride battery charger and lithium battery charger at present, and because Rechargeable nickel-hydrogen battery is different with the charging modes of lithium battery, is difficult to realize and is realized at the same time to this inside same charging circuit Two kinds of batteries charge；And current battery charger only has charge function mostly, function is more single；Also many electricity Easily there is quality or safety problem due to charger protection circuit imperfection in electrolytic battery charger.

The content of the invention

In view of the deficiencies of the prior art, the utility model provides a kind of charger circuit and the charger comprising the circuit, MCU control circuit, new charging circuit, booster circuit, USB output circuits are added, realization can give AA/AAA types ni-mh electricity Pond is charged, and 18490/18650 type lithium battery can be given to charge, and the function of mobile power is also realized, as long as the battery in charger Electricity abundance can provide charging by USB output interfaces to exterior digital product, also achieve using stabling current and voltage The function of charging to battery；Add reverse-connection protection circuit, avoid in the case of human operational error to battery and Battery charger causes damage；Add LCD display circuit and LCD display, for it is apparent, intuitively show battery and fill The situation of electric appliance；Use the LED light group being made of at least two LED light, there is provided more preferable lighting condition, can also control LED The frequency of lamp flicker sends the light signals such as SOS signal.

In order to realize above-mentioned technical problem, the utility model provides a kind of charger circuit, including the first charging circuit, Second charging circuit, LED circuit, it is characterised in that further include MCU control circuit, the first booster circuit, the second booster circuit, First reverse-connection protection circuit, the second reverse-connection protection circuit, USB input circuits, USB output circuits, LCD display circuit, described One charging circuit, the first reverse-connection protection circuit and the first booster circuit are connected with the first Battery pack positive and negative anodes；Second charging Circuit, the second reverse-connection protection circuit and the second booster circuit are connected with the second Battery pack positive and negative anodes；The USB input circuits and institute State the connection of first and second charging circuit；The MCU control circuit and first and second charging circuit, first and second booster circuit, LED circuit, LCD display circuit connection；The USB output circuits are connected with first and second booster circuit, LED circuit.

A kind of charger, including shell, two Battery pack positive and negative anodes hardware, USB input interfaces, USB output interfaces, first, Two springs, it is characterised in that further include above-mentioned charger circuit, function switch switch, charging PCBA board, LED light PCBA board, LED light group, LCD display；The USB input interfaces, USB output interfaces, LED light group, LCD display are arranged at the shell Surface；The spring, charging PCBA board, LED light PCBA board are arranged at the enclosure；The charging PCBA board and the electricity Pond cathode hardware, battery cathode hardware, USB input interfaces, USB output interfaces, function switch switch, LCD display, LED light PCBA board connects；The LED light PCBA board is connected with the LED light group.

Further, it is described charging PCBA board on be provided with the USB input circuits, first and second charging circuit, first, Two reverse-connection protection circuits, first and second booster circuit, MCU control circuit, LCD display circuit and USB output circuits.

Further, it is provided with LED circuit in the LED light PCBA board.

Further, the LED light group includes at least two LED light, and the LED light is uniformly distributed in the shell table Face.

Further, the shell includes face-piece and bottom case.The face-piece is provided with retaining ring, buckle, leather sheath and buckles and two Battery grooves, each described battery grooves are both provided with anode hardware described in one group and the battery cathode hardware.Institute State bottom case and be provided with two spring tracks with the battery grooves position correspondence, first and second spring is arranged at the bullet In spring track, battery grooves position corresponding with the spring track is provided with spring bumper cover, the battery cathode hardware With being fixed on the spring close to one end of the anode hardware.

Further, the USB input interfaces are microUSB interfaces, and the USB output interfaces are Type-A interfaces.

Further, the LCD display is simultaneously provided with display backlight lamp into the shell.

A kind of charger circuit of the utility model and the charger comprising the circuit, are matched somebody with somebody by above-mentioned charger circuit Function switch switch is closed, can realize can charge to Ni-MH battery and charge to lithium battery；When the battery electricity in charger When amount is sufficient, it can be charged by USB output interfaces to exterior digital equipment, serve as the effect of mobile power.Charger is with PWM Mode give Ni-MH battery charging；When the electricity of lithium battery is less than the 85% of rated capacity, charger is given in a manner of constant current Lithium battery charges, and when the electricity of lithium battery reaches the 85% of rated capacity, charger is charged the battery in a manner of constant pressure.Fill Electric appliance has used LCD display, makes us when in use being capable of more directly perceived, the clearly situation of electrolytic cell and charger.Electricity It also add reverse-connection protection circuit in road, when battery plus-negative plate is anti-loaded, charging circuit is not turned on, and LCD display can be shown pair Answer the error message of battery.Using the LED light group being made of at least two LED light and corresponding LED circuit, can not only provide more Good lighting condition, can also send the light signals such as SOS signal by the frequency for controlling LED light to flicker.

Brief description of the drawings

Fig. 1 be the face-piece of the utility model upward when external structure；

Fig. 2 be the bottom case of the utility model upward when external structure；

Fig. 3 is the external structure when retaining ring of the utility model is opened；

Fig. 4 is the face-piece cut-away view of the utility model；

Fig. 5 is the bottom shell structure chart of the utility model；

Fig. 6 is the circuit connection diagram of the utility model；

Fig. 7 is the circuit diagram of the battery plus-negative plate both ends connection of the utility model；

Fig. 8 is the circuit enlarged drawing of the first charging circuit 551 in Fig. 7；

Fig. 9 is the circuit enlarged drawing of the first reverse-connection protection circuit 571 in Fig. 7；

Figure 10 is the circuit enlarged drawing of the first booster circuit 561 in Fig. 7；

Figure 11 is the circuit enlarged drawing of the second charging circuit 552 in Fig. 7；

Figure 12 is the circuit enlarged drawing of the second reverse-connection protection circuit 572 in Fig. 7；

Figure 13 is the circuit enlarged drawing of the second booster circuit 562 in Fig. 7；

Figure 14 is the MCU control circuit figure of the utility model；

Figure 15 is the USB input circuit figures of the utility model；

Figure 16 is the USB output circuit figures of the utility model；

Figure 17 is the LED circuit diagram of the utility model；

Figure 18 is the LCD display circuit figure of the utility model；

Figure 19 is the LCD display surface chart of the utility model.

Embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation The utility model is further elaborated in example.It should be appreciated that specific embodiment described herein is only explaining The utility model, is not used to limit the utility model.

Embodiment 1：

With reference to Fig. 6 to Figure 18, a kind of charger circuit, including the first charging circuit 551, the second charging circuit 552, LED Circuit 31, it is characterised in that it is anti-to further include MCU control circuit 58, the first booster circuit 561, the second booster circuit 562, first Connect protection circuit 571, the second reverse-connection protection circuit 572, USB input circuits 511, USB output circuits 521, LCD display circuit 59, first charging circuit 551, the first reverse-connection protection circuit 571 and the first booster circuit 561 and the first Battery pack cathode 531st, anode 541 connects；Second charging circuit 552, the second reverse-connection protection circuit 572 and the second booster circuit 562 and Two Battery pack cathodes 532, anode 542 connect；The USB input circuits 511 charge with first charging circuit 551, second Circuit 552 connects；The MCU control circuit 58 and first charging circuit 551, the second charging circuit 552, first boosting electricity Road 561, the second booster circuit 562, LED circuit 31, LCD display circuit 59 connect；The USB output circuits 521 and described the One booster circuit 561, the second booster circuit 562, LED circuit 31 connect.

Referring to figs. 1 to Fig. 5, a kind of charger, including shell 8, the first anode hardware 531, the second anode five Golden 532, first battery cathode hardware 431, the second battery cathode hardware 432, USB input interfaces 51, USB output interfaces 52, the One spring 411, second spring 412, it is characterised in that further include above-mentioned charger circuit, function switch switch 7, charging PCBA Plate 5, LED light PCBA board 3, LED light group 32, LCD display 6；The USB input interfaces 51, USB output interfaces 52, LED light group 32nd, LCD display 6 is arranged at 8 surface of shell；First spring 411, second spring 412, charging PCBA board 5, LED Lamp PCBA board 3 is arranged inside the shell 8；The charging PCBA board 5 and the electricity of the first anode hardware 531, first Pond anode hardware 431, the second anode hardware 532, the second battery cathode hardware 432, USB input interfaces 51, USB outputs connect Mouth 52, function switch switch 7, LCD display 6, LED light PCBA board connection 3；The LED light group 32 is arranged at the LED light In PCBA board 3.

In the present embodiment, the USB input circuits 511, the first charging circuit are provided with the charging PCBA board 5 551st, the second charging circuit 552, the first reverse-connection protection circuit 571, the second reverse-connection protection circuit 572, the first booster circuit 561, Second booster circuit 562, MCU control circuit 58, LCD display circuit 59 and USB output circuits 521.

In the present embodiment, it is provided with LED circuit 31 in the LED light PCBA board 3.

In the present embodiment, the shell 8 includes face-piece 1 and bottom case 2.The face-piece 1 be provided with retaining ring 12, buckle 13, Leather sheath buckles the 14, first battery grooves 441 and the second battery grooves 442, and described first is provided with first battery grooves 441 Anode hardware 531 and the first battery cathode hardware 431；Described second is provided with second battery grooves 442 Anode hardware 532 and the second battery cathode hardware 532.The bottom case 2 is provided with two and the battery grooves position Corresponding spring track is put, first spring 411, second spring 412 are respectively arranged at the first spring track 421 and In two spring tracks 422, battery grooves position corresponding with the spring track is provided with spring bumper cover 4, and described first Battery cathode hardware 431, the second battery cathode hardware 432 are individually fixed in first spring 411, the second spring One end of the 412 close charging PCBA board 5.

In the present embodiment, the LED light group 32 includes at least two LED light, and the LED light be uniformly distributed in it is described The bottom surface of bottom case 2.

In the present embodiment, the USB input interfaces 51 are microUSB interfaces, and the USB output interfaces 52 are Type- A interfaces.

In the present embodiment, the LCD display 6 is simultaneously provided with display backlight lamp 61 into the shell.

In this way, a kind of charger circuit of the utility model and the charger comprising the circuit, pass through above-mentioned charger electricity Road coordinates function switch switch 7, and can realize can charge to Ni-MH battery and charge to lithium battery；When in charger When battery capacity is sufficient, it can be charged by USB output interfaces 52 to exterior digital equipment, serve as the effect of mobile power.

Charger is charged in a manner of PWM to Ni-MH battery；When the electricity of lithium battery is less than the 85% of rated capacity, fill Electric appliance is charged in a manner of constant current to lithium battery, and when the electricity of lithium battery reaches the 85% of rated capacity, charger is with constant pressure Mode charge the battery, efficiently avoid the infringement of exterior unstable constant voltage, current versus cell.

Charger has used LCD display 6, and as shown in figure 19, we can more directly perceived, clearly understand electric when in use Pond and the situation of charger, charger " CHG " when charging the battery light；When charger serves as mobile power, " DISCHG " is lighted；When battery reversal connection or short circuit, " ERROR " is lighted；When the first battery case 441 or the second battery case When battery capacity in 442 is insufficient, No. 1 or No. 3 symbols light in LCD display；First battery case 441 or the second battery case In charging, No. 2 or No. 4 symbols light in LCD display for battery in 442.

The first reverse-connection protection circuit 571, the second reverse-connection protection circuit 572 are also add in circuit, when battery plus-negative plate fills Inverse time, charging circuit are not turned on, and LCD display 6 can show the error message of corresponding battery；Using by least two LED light groups Into LED light group 32 and corresponding LED circuit 31, more preferable lighting condition can not only be provided, can also be by controlling LED light to dodge Bright frequency sends the light signals such as SOS signal.

The above is the preferred embodiment of the utility model, it is noted that other include the circuit and bag of the application Charger containing the circuit, for those skilled in the art, is not departing from the principle of the utility model Under the premise of, some improvements and modifications can also be made, these improvements and modifications are also considered as protection scope of the present invention.

Claims (8)

1. a kind of charger circuit, including charging circuit, LED circuit, it is characterised in that further include MCU control circuit, boosting electricity Road, reverse-connection protection circuit, USB input circuits, USB output circuits, LCD display circuit, the charging circuit, reverse-connection protection circuit It is connected with booster circuit with battery plus-negative plate；The USB input circuits are connected with the charging circuit；The MCU control circuit It is connected with the charging circuit, booster circuit, LED circuit, LCD display circuit；The USB output circuits and the boosting electricity Road, LED circuit connection.

2. a kind of charger, including shell, anode hardware, battery cathode hardware, USB input interfaces, USB output interfaces, Spring, it is characterised in that further include circuit described in claim 1, function switch switch, charging PCBA board, LED light PCBA board, LED light group, LCD display；The USB input interfaces, USB output interfaces, LED light group, LCD display are arranged at the shell Surface；The spring, charging PCBA board, LED light PCBA board are arranged at the enclosure；The charging PCBA board and the electricity Pond cathode hardware, battery cathode hardware, USB input interfaces, USB output interfaces, function switch switch, LCD display, LED light PCBA board connects；The LED light PCBA board is connected with the LED light group.

3. charger according to claim 2, it is characterised in that the USB inputs are provided with the charging PCBA board Circuit, charging circuit, reverse-connection protection circuit, booster circuit, MCU control circuit, LCD display circuit and USB output circuits.

4. charger according to claim 2, it is characterised in that be provided with LED circuit in the LED light PCBA board.

5. charger according to claim 2, it is characterised in that the LED light group includes at least two LED light, and institute State LED light and be uniformly distributed in the case surface.

6. charger according to claim 2, it is characterised in that the shell includes face-piece and bottom case；The face-piece is set It is equipped with that retaining ring, buckle, leather sheath are buckled and at least one battery grooves, each described battery grooves are both provided with battery described in one group Cathode hardware and the battery cathode hardware；The bottom case is provided with the spring track with the battery grooves position correspondence, institute State spring to be arranged in the spring track, battery grooves position corresponding with the spring track is provided with spring cup Plate, the battery cathode hardware is with being fixed on the spring close to one end of the anode hardware.

7. charger according to claim 2, it is characterised in that the USB input interfaces are microUSB interfaces, described USB output interfaces are Type-A interfaces.

8. charger according to claim 2, it is characterised in that the LCD display is simultaneously set into the shell There is display backlight lamp.