CN208241335U - Battery protecting circuit and electronic cigarette - Google Patents

Battery protecting circuit and electronic cigarette Download PDF

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Publication number
CN208241335U
CN208241335U CN201820304722.XU CN201820304722U CN208241335U CN 208241335 U CN208241335 U CN 208241335U CN 201820304722 U CN201820304722 U CN 201820304722U CN 208241335 U CN208241335 U CN 208241335U
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CN
China
Prior art keywords
chip
charging
battery
resistance
circuit
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CN201820304722.XU
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Chinese (zh)
Inventor
不公告发明人
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Changzhou Paiteng Electronic Technology Co Ltd
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Changzhou Paiteng Electronic Technology Co Ltd
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Priority to CN201820304722.XU priority Critical patent/CN208241335U/en
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Classifications

    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/90Arrangements or methods specially adapted for charging batteries thereof
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/18Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

Abstract

The utility model provides a kind of battery protecting circuit; including the first protection chip; the first protection chip includes overcurrent test side and power output end; the overcurrent test side of the first protection chip is connected with charging circuit; also it is connected with system power supply end; the power output end of the first protection chip is connected with the anode of battery, the cathode ground connection of the battery.The utility model also provides a kind of electronic cigarette.The battery protecting circuit and electronic cigarette of the utility model; pass through the first protection chip in battery protecting circuit; the automatic connection disconnected between battery and charging circuit or discharge circuit, it is therefore prevented that battery overcharge or the generation of overdischarge, to protect battery and electronic cigarette.

Description

Battery protecting circuit and electronic cigarette
Technical field
The utility model relates to field of electronic device, in particular to a kind of battery protecting circuit and electronic cigarette.
Background technique
Existing electronic cigarette in order to more be experienced to user, in addition to realization suction function other than, be also attached to many functions, than If multimedia browses, touch screen operation, navigation, the functions such as solar recharging, purpose is that oneself is preferably promoted by each producer Electronics smoke product.
However, the use of the types of functionality of electronic cigarette all be unable to do without the power supply of battery, when charging circuit because of aging circuit or Connection itself error etc. reasons, it may appear that input or output short-circuit, thus cause charging when charging interface for example on electricity Pressure directly forms over-voltage charging to battery or battery plus-negative plate short circuit forms situations such as electric current output is excessive, and then causes Cell damage is on fire.In order to avoid similar situation for battery overcharge or overdischarge, need to change charging circuit Into to protect battery.
Utility model content
The utility model provides a kind of battery protecting circuit and electronic cigarette, can solve for battery overcharge or overdischarge The problem of.
The utility model technical scheme applied to solve the technical problem is as follows:
The utility model discloses a kind of battery protecting circuit, including the first protection chip, the first protection chip packets Include overcurrent test side and power output end, the overcurrent test side of the first protection chip is connected with charging circuit, also with The power output end at system power supply end _ be connected, the first protection chip is connected with the anode of battery, and the cathode of the battery connects Ground.
In a wherein embodiment, the first protection chip further includes the first ground terminal and in-line power end, institute State the first ground terminal ground connection of the first protection chip, the of the in-line power end of the first protection chip and the first filter capacitor One end is connected, the second end ground connection of first filter capacitor.
In a wherein embodiment, the battery protecting circuit further includes the second protection chip, second protection Chip includes power end, the second ground terminal, naked pad end and test side, the power end and the battery of the second protection chip Anode be connected, it is described second protection chip the second ground terminal be connected with the cathode of the battery, it is described second protect chip Naked pad end with it is described second protection chip the second ground terminal be connected, it is described second protection chip test side be grounded.
In a wherein embodiment, the battery protecting circuit includes protective resistance, and the first of the protective resistance It holds and is connected with the power end of the second protection chip, the second end of the protective resistance is connected with the anode of the battery.
In a wherein embodiment, the battery protecting circuit includes the second filter capacitor, second filtered electrical The first end of appearance is connected with the power end of the second protection chip, second end and the battery of second filter capacitor Cathode is connected.
The utility model provides a kind of electronic cigarette, and electronic cigarette includes above-mentioned battery protecting circuit.
In a wherein embodiment, the electronic cigarette further includes charging circuit, and the charging circuit includes charging core When piece, brightness settings resistance, lamp, the first divider resistance, the second divider resistance, third filter capacitor, first time resistance, second Between resistance.The charging chip includes power input, charging instruction end, temperature-sensitive test side, soft start timing end, lighting time End, charging current setting end and charging output end are set, the power input of the charging chip is connected with external power supply, described The charging output end of charging chip is connected with the overcurrent test side of the first protection chip.The of the brightness settings resistance One end is connected with the power input of the charging chip.The second end phase of the anode and the brightness settings resistance of the lamp Even, the cathode of the lamp is connected with the charging instruction end of the charging chip.The first end of first divider resistance with it is described The power input of charging chip is connected, the second end and the temperature-sensitive test side phase of the charging chip of first divider resistance Even.The first end of second divider resistance is connected with the second end of first divider resistance, second divider resistance Second end ground connection.The first end of the third filter capacitor is connected with the soft start timing end of the charging chip, the third The second end of filter capacitor is grounded.The first end of the first time resistance and the lighting time of the charging chip set end phase Even, the second end ground connection of the first time resistance.The first end of the second time resistance and the charging of the charging chip Electric current sets end and is connected, the second end ground connection of the second time resistance.
In a wherein embodiment, the charging circuit includes third divider resistance and the 4th divider resistance.It is described The first end of third divider resistance is connected with the external power supply, the second end of the third divider resistance and connecing for governor circuit Mouth test side _ be connected.The first end of 4th divider resistance is connected with the second end of the third divider resistance, and the described 4th The second end of divider resistance is grounded.
In a wherein embodiment, the charging circuit includes the 4th filter capacitor, the 4th filter capacitor First end is connected with the external power supply, the second end ground connection of the 4th filter capacitor.
In a wherein embodiment, the charging circuit includes the 5th filter capacitor, the 5th filter capacitor First end is connected with the external power supply, the second end ground connection of the 5th filter capacitor.
Technical solution provided by the embodiment of the utility model has the benefit that
The utility model provides a kind of battery protecting circuit and electronic cigarette, passes through the first protection core in battery protecting circuit Piece, the automatic connection disconnected between charging circuit and battery, it is therefore prevented that battery overcharge or the generation of overdischarge, to protect Battery and electronic cigarette.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model Art means, and being implemented in accordance with the contents of the specification, and in order to allow the above and other purpose, feature of the utility model It can be more clearly understood with advantage, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
Fig. 1 is the circuit connection diagram of the battery protecting circuit 100 of the utility model first embodiment;
Fig. 2 is the circuit connection diagram of the battery protecting circuit 100 of the utility model second embodiment;
Fig. 3 is the circuit connection diagram of the electronic cigarette of the utility model 3rd embodiment.
Specific embodiment
Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken, Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes battery protecting circuit 100 and electronic cigarette it is specific Embodiment, structure, feature and effect, detailed description is as follows.
Aforementioned and other technology contents, feature and effect in relation to the utility model, following cooperation with reference to schema compared with Good embodiment can be clearly presented in being described in detail.By the explanation of specific embodiment, when can be to the utility model up to It is able to more deeply and specifically understand at the technical means and efficacy that predetermined purpose is taken, however shown attached drawing is only to provide Reference and description is used, and is not used to limit the utility model.
First embodiment
Fig. 1 is the circuit connection diagram of the battery protecting circuit 100 of the utility model first embodiment.As shown in Figure 1, this reality The battery protecting circuit 100 for applying example includes the first protection chip U1, and the first protection chip U1 includes overcurrent test side 111 and electricity Source output terminal 112, first protection chip U1 overcurrent test side 111 be connected with charging circuit 200, also with system power supply end VCC_BAR is connected, and the power output end 112 of the first protection chip U1 is connected with the anode of battery 300, and the cathode of battery 300 connects Ground.Wherein, battery 300 described in the present embodiment can be lithium battery, or nickel-metal hydride battery can also be nickel chromium triangle electricity Pond can also be certainly other kinds of rechargeable battery, and details are not described herein.
Specifically, battery protecting circuit 100 includes the first protection chip U1, the overcurrent detection of the first protection chip U1 End 111 is connected with charging circuit 200, and the power output end 112 of the first protection chip U1 is connected with the anode of battery 300, battery 300 cathode ground connection, then when charging to battery 300, charging circuit 200 must just can be to electricity by battery protecting circuit 100 Pond 300 is charged, and therefore, the first protection chip U1 in battery protecting circuit 100 can be on the pin or element by detecting itself Current or voltage, judge whether charged state is in overcharging state, and then disconnect charging circuit 200 and battery in overcharging state Connection between 300, so as to protect battery 300.Specifically, when charged state is in overcharged voltage state, first is protected Protect the power output end 112V of chip U1DDVoltage V is detected more than overchargingCU, and hold time more than overcharged voltage detect postpone when Between Tcu when, then the first protection chip U1 internal switch pipe is closed, disconnect the connection between charging circuit 200 and battery 300, from And it can protect battery 300.Specifically, when charged state is in and overcharges current status, the first protection chip U1, which is detected, to be filled Electric current value overcharges detection current value IOCC, and the duration overcharges current detecting delay time tOCC, the first protection Chip U1 will close internal switch pipe, the connection between charging circuit 200 and battery 300 be disconnected, so as to protect battery 300。
Specifically, the overcurrent test side 111 of the first protection chip U1 is connected with system power supply end VCC_BAR, and first protects The power output end 112 of shield chip U1 is connected with the anode of battery 300, and the cathode ground connection of battery 300 is then put to battery 300 When electric, battery 300 must by battery protecting circuit 100 just can the system power supply end VCC_BAR to place electronic product put Electricity, therefore, the first protection chip U1 in battery protecting circuit 100 can electric current on the pin or element by detecting itself or Voltage, judges whether charged state is in over-discharge state, and then disconnects the company between discharge circuit and battery 300 in over-discharge state It connects, so as to protect battery 300.Specifically, when discharge condition is in over-discharge voltage status, the electricity of the first protection chip U1 Source output terminal 112VDD, which falls to over-discharge, detects voltage VDL, and the duration is more than over-discharge voltage detecting delay time tDLWhen, Then the first protection chip U1 internal switch pipe is closed, and the connection between discharge circuit and battery 300 is disconnected, so as to protect Battery 300.Specifically, when discharge condition is in over-discharge current status, the first protection chip U1 detects that discharge current value is super Overcharge detection current value IODC, and the duration is more than over-discharge current detecting delay time tODC, first protects chip U1 that will close Internal switch pipe is closed, the connection between discharge circuit and battery 300 is disconnected, so as to protect battery 300.
In a wherein embodiment, the first protection chip U1 further includes the first ground terminal 113 and in-line power end 114, the in-line power end 114 and first of the first ground terminal 113 ground connection of the first protection chip U1, the first protection chip U1 is filtered The first end of wave capacitor C1 is connected, the second end ground connection of the first filter capacitor C1.First filter capacitor C1 can be used to chip Builtin voltage is filtered.
In a wherein embodiment, the model CT2105 of the first protection chip U1.As shown in Fig. 1, the first protection The current detecting end 124111 of chip U1 is the end VM, and power output end 112 is vdd terminal, and the first ground terminal 113 is the end GD, internal Feeder ear 114 is the end VCC.
The battery protecting circuit 100 of the utility model, by the first protection chip U1 in battery protecting circuit 100, certainly Dynamic circuit breaker opens the connection between battery 300 and charging circuit 200 or discharge circuit, it is therefore prevented that battery 300 overcharge or overdischarge Occur, to protect battery 300.
Second embodiment
Fig. 2 is the circuit connection diagram of the battery protecting circuit 100 of the utility model second embodiment.As shown in Fig. 2, this reality Battery protecting circuit 100 and the first embodiment for applying example are essentially identical, the difference is that: battery protecting circuit 100 also wraps Including the second protection chip U2, the second protection chip U2 includes power end 121, the second ground terminal 122, naked pad end 123 and detection The power end 121 at end 124, the second protection chip U2 is connected with the anode of battery 300, the second ground terminal of the second protection chip U2 122 are connected with the cathode of battery 300, second ground connection at the naked pad end 123 of the second protection chip U2 and the second protection chip U2 End 122 is connected, and the test side 124 of the second protection chip U2 is grounded.
Specifically, the present embodiment second protection chip U2 can be used for preventing battery 300 overcharge or overdischarge, second The second ground terminal 122 of protection chip U2 is connected with the cathode of battery 300, and the test side 124 of the second protection chip U2 is grounded, then The cathode of battery 300 is not directly grounded, and the cathode of battery 300 is arranged between systematically in the second protection chip U2, and battery 300 when needing charge or discharge, and the cathode of battery 300 is needed to be connected to the ground by the second protection chip U2 be connected, therefore, electricity Pond protect the second protection chip U2 in circuit 100 can current or voltage on the pin or element by detecting itself, judgement Whether circuit state, which is in, overcharges or over-discharge state, and then is overcharging or over-discharge state disconnects the cathode of battery 300 and is Connection between system ground, so as to protect battery 300.Specifically, the second protection chip U2 of the present embodiment can be first Chip U1 is when there are the malfunction and failures such as short circuit for protection, and the second protection chip U2 decision circuitry state, which is in, to be overcharged or overdischarge shape State, control battery cathode with it is systematically separated, to disconnect the company between battery 300 and charging circuit 200 or discharge circuit Connect, so that battery is not in reinsertion circuit, it is therefore prevented that battery 300 overcharge or the generation of overdischarge, to realize to battery Protection.
In a wherein embodiment, battery protecting circuit 100 includes protective resistance R1, the first end of protective resistance R1 It is connected with the power end 121 of the second protection chip U2, the second end of protective resistance R1 is connected with the anode of battery 300.Protection electricity Resistance R1 can be used to prevent electric current is excessive from burning out chip.
In a wherein embodiment, battery protecting circuit 100 includes the second filter capacitor C2, the second filter capacitor C2 First end be connected with the power end 121 of the second protection chip U2, the cathode of the second end of the second filter capacitor C2 and battery 300 It is connected.Second filter capacitor C2 can be used to be filtered the positive output voltage of battery 300.
In a wherein embodiment, the model XB6006A2 of the second protection chip U2.As shown in Fig. 2, second protects The power end 121 for protecting chip U2 is vdd terminal, and the second ground terminal 122 is the end GND, and naked pad end 123 is the end EPAD, test side 124 be the end VM.
The battery protecting circuit 100 of the utility model not only can protect core by first in battery protecting circuit 100 Piece U1, can also protect chip U2 by second in battery protecting circuit 100, it is automatic disconnect battery 300 and charging circuit 200 or Connection between discharge circuit, it is therefore prevented that battery 300 overcharge or the generation of overdischarge, to protect battery 300.
3rd embodiment
Fig. 3 is the circuit connection diagram of the electronic cigarette of the utility model 3rd embodiment.As shown in figure 3, referring to figure 2, the present embodiment is essentially identical with second embodiment, the difference is that: electronic cigarette further includes charging circuit 200, charging electricity Road 200 includes charging chip U3, brightness settings resistance R2, LED light, the first divider resistance R3, the second divider resistance R4, third Filter capacitor C3, first time resistance R5, the second time resistance R6.Charging chip U3 includes power input 211, charging instruction End 212, temperature-sensitive test side 213, soft start timing end 214, lighting time setting end 215, charging current setting end 216 and charging The power input 211 of output end 217, charging chip U3 is connected with external power supply 500, the charging output end of charging chip U3 217 are connected with the overcurrent test side 111 of the first protection chip U1.The first end of brightness settings resistance R2 is with charging chip U3's Power input 211 is connected.The anode of LED light is connected with the second end of brightness settings resistance R2, the cathode and charging core of LED light The charging instruction end 212 of piece U3 is connected.211 phase of power input of the first end of first divider resistance R3 and charging chip U3 Even, the second end of the first divider resistance R3 is connected with the temperature-sensitive test side 213 of charging chip U3.The first of second divider resistance R4 End is connected with the second end of the first divider resistance R3, the second end ground connection of the second divider resistance R4.The of third filter capacitor C3 One end is connected with the soft start timing end 214 of charging chip U3, the second end ground connection of third filter capacitor C3.First time resistance The first end of R5 is connected with the lighting time of charging chip U3 setting end 215, the second end ground connection of first time resistance R5.The The first end of two time resistance R6 is connected with the charging current of charging chip U3 setting end 216, and the second of the second time resistance R6 End ground connection.
Specifically, the electronic cigarette of the present embodiment includes charging circuit 200, the power supply of the charging chip U3 of charging circuit 200 Input terminal 211 is connected with external power supply 500, charging chip U3 charging output end 217 and battery protecting circuit 100 it is excessively electric It flows test side 111 to be connected, the power output end 112 of battery protecting circuit 100 is connected with the anode of battery 300, then charging chip After U3 receives such as 5V of external power supply 500, a charging voltage or a charging current can be exported and by the battery protection of conducting Circuit 100 charges to battery 300.In one embodiment, battery can be obtained according to the battery protecting circuit 100 of conducting The voltage of 300 anodes, judges whether battery 300 is full of, and then exports corresponding electric current.Wherein, it is connected with external power supply 500 Mode can with but be not limited to through interface USB etc..The first end of brightness settings resistance R2 and the power supply of charging chip U3 are defeated Enter end 211 to be connected, the second end of brightness settings resistance R2 is connected with the anode of LED light, the cathode and charging chip U3 of LED light Charging instruction end 212 be connected, then brightness settings resistance R2 connects with LED light, can pass through the resistance value of brightness settings resistance R2 It determines the electric current for the LED light being connected in series, and then sets the brightness of LED light.The first end and charging chip of first divider resistance R3 The power input 211 of U3 is connected, and the second end of the first divider resistance R3 is connected with the temperature-sensitive test side 213 of charging chip U3, The first end of second divider resistance R4 is connected with the second end of the first divider resistance R3, the second termination of the second divider resistance R4 Ground, therefore, the first divider resistance R3 and the second divider resistance R4 are connected in series, then the first divider resistance R3, the second divider resistance The partial pressure of R4 can be supplied to the temperature-sensitive test side 213 of charging chip U3, also, the second divider resistance R4 can be used as temperature-sensitive electricity Resistance, to be used to realize the adjustment to voltage or electric current at temperature.The first end of first time resistance R5 is with charging chip U3's Lighting time sets end 215 and is connected, the second end ground connection of first time resistance R5;First time, resistance R5 can be used for adjusting The lighting time of LED light.The first end of second time resistance R6 is connected with the charging current of charging chip U3 setting end 216, the The second end of two time resistance R6 is grounded, and the second time resistance R6 can be used for setting charging current.
Specifically, when short trouble occurs for charging circuit 200, the in battery protecting circuit 100 can not only be passed through One protection chip U1 can also protect chip U2 by second in battery protecting circuit 100, automatic to disconnect battery 300 and charging Connection between circuit 200, it is therefore prevented that the generation overcharged to battery 300, to protect battery 300 and electronic cigarette.Specific mistake Cheng Kejian above-described embodiment, and will not be described here in detail.
In a wherein embodiment, charging circuit 200 includes third divider resistance R7 and the 4th divider resistance R8.The The first end of three divider resistance R7 is connected with external power supply 500, the second end of third divider resistance R7 and the interface of governor circuit Test side USB_IN is connected.The first end of 4th divider resistance R8 is connected with the second end of third divider resistance R7, the 4th partial pressure The second end of resistance R8 is grounded.Third divider resistance R7 and the 4th divider resistance R8 forms series circuit, when external power supply 500 When accessing circuit, a partial pressure is obtained on third divider resistance R7, the 4th divider resistance R8 and is sent to the interface inspection of governor circuit End USB_IN is surveyed, then the connection status of external power supply 500 can be confirmed in governor circuit.
In a wherein embodiment, charging circuit 200 includes the 4th filter capacitor C4, and the of the 4th filter capacitor C4 One end is connected with external power supply 500, the second end ground connection of the 4th filter capacitor C4.4th filter capacitor C4 can be used to outside Power supply 500 is filtered.
In a wherein embodiment, charging circuit 200 includes the 5th filter capacitor C5, and the of the 5th filter capacitor C5 One end is connected with external power supply 500, the second end ground connection of the 5th filter capacitor C5.5th filter capacitor C5 can be used to charging 200 output voltage of circuit is filtered.
In a wherein embodiment, the model MP2602 of the second protection chip U2.As shown in Fig. 3, charging chip The power input 211 of U3 is the end VIN, and charging instruction end 212 isEnd, temperature-sensitive test side 213 are the end NTC, soft start Timing end 214 is the end SS, and it is the end IBF that lighting time, which sets end 215, and it is the end ISET that charging current, which sets end 216, and charge output end 217 be the end BATT.
The battery protecting circuit 100 and electronic cigarette of the utility model pass through the first protection core in battery protecting circuit 100 Piece U1, the automatic connection disconnected between charging circuit 200 and battery 300, it is therefore prevented that battery 300 overcharge or the hair of overdischarge It is raw, to protect battery 300 and electronic cigarette.
More than, it is only the preferred embodiment of the utility model, limit in any form not is made to the utility model System, although the utility model has been disclosed with preferred embodiment as above, is not intended to limit the utility model, any to be familiar with sheet Technical professional is not departing within the scope of technical solutions of the utility model, does when using the technology contents of the disclosure above A little change or it is modified to the equivalent embodiment of equivalent variations out, but all without departing from the content of the technical scheme of the utility model, according to According to the technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, still fall within In the range of technical solutions of the utility model.

Claims (10)

1. a kind of battery protecting circuit, which is characterized in that including the first protection chip (U1), the first protection chip (U1) packet Include overcurrent test side (111) and power output end (112), the overcurrent test side (111) of first protection chip (U1) It is connected with charging circuit (200), is also connected with system power supply end (VCC_BAR), the power supply of first protection chip (U1) is defeated Outlet (112) is connected with the anode of battery (300), the cathode ground connection of the battery (300).
2. battery protecting circuit as described in claim 1, which is characterized in that first protection chip (U1) further includes first Ground terminal (113) and in-line power end (114), the first ground terminal (113) ground connection of first protection chip (U1), described the The in-line power end (114) of one protection chip (U1) is connected with the first end of the first filter capacitor (C1), first filtered electrical Hold the second end ground connection of (C1).
3. battery protecting circuit as described in claim 1, which is characterized in that the battery protecting circuit (100) includes second It protects chip (U2), second protection chip (U2) includes power end (121), the second ground terminal (122), naked pad end (123) and test side (124), the positive phase of the power end (121) and the battery (300) of second protection chip (U2) Even, the second ground terminal (122) of second protection chip (U2) is connected with the cathode of the battery (300), and described second protects The naked pad end (123) for protecting chip (U2) is connected with the second ground terminal (122) of second protection chip (U2), and described second Protect test side (124) ground connection of chip (U2).
4. battery protecting circuit as claimed in claim 3, which is characterized in that the battery protecting circuit (100) includes protection Resistance (R1), the first end of the protective resistance (R1) is connected with the power end (121) of second protection chip (U2), described The second end of protective resistance (R1) is connected with the anode of the battery (300).
5. battery protecting circuit as described in claim 3 or 4, which is characterized in that the battery protecting circuit (100) includes the Two filter capacitors (C2), the power end of the first end of second filter capacitor (C2) and second protection chip (U2) (121) it is connected, the second end of second filter capacitor (C2) is connected with the cathode of the battery (300).
6. a kind of electronic cigarette, which is characterized in that the electronic cigarette includes that the battery as described in claim 1 to 5 any one is protected Protection circuit (100).
7. electronic cigarette as claimed in claim 6, which is characterized in that the electronic cigarette further includes charging circuit (200), described to fill Circuit (200) includes charging chip (U3), brightness settings resistance (R2), LED light, the first divider resistance (R3), the second partial pressure Resistance (R4), third filter capacitor (C3), first time resistance (R5), the second time resistance (R6);
The charging chip (U3) includes power input (211), charging instruction end (212), temperature-sensitive test side (213), soft opens Dynamic timing end (214), lighting time setting end (215), charging current setting end (216) and charging output end (217), it is described to fill The power input (211) of electrical chip (U3) is connected with external power supply (500), the charging output end of the charging chip (U3) (217) it is connected with the overcurrent test side (111) of first protection chip (U1);
The first end of the brightness settings resistance (R2) is connected with the power input (211) of the charging chip (U3);
The anode of the LED light is connected with the second end of the brightness settings resistance (R2), and the cathode of the LED light is filled with described The charging instruction end (212) of electrical chip (U3) is connected;
The first end of first divider resistance (R3) is connected with the power input (211) of the charging chip (U3), described The second end of first divider resistance (R3) is connected with the temperature-sensitive test side (213) of the charging chip (U3);
The first end of second divider resistance (R4) is connected with the second end of first divider resistance (R3), and described second point The second end of piezoresistance (R4) is grounded;
The first end of the third filter capacitor (C3) is connected with the soft start timing end (214) of the charging chip (U3), institute State the second end ground connection of third filter capacitor (C3);
The first end of the first time resistance (R5) is connected with the lighting time of the charging chip (U3) setting end (215), The second end of the first time resistance (R5) is grounded;
The first end of the second time resistance (R6) is connected with the charging current of the charging chip (U3) setting end (216), The second end of the second time resistance (R6) is grounded.
8. electronic cigarette as claimed in claim 7, which is characterized in that the charging circuit (200) includes third divider resistance (R7) and the 4th divider resistance (R8);
The first end of the third divider resistance (R7) is connected with the external power supply (500), the third divider resistance (R7) Second end be connected with the interface test side (USB_IN) of governor circuit;
The first end of 4th divider resistance (R8) is connected with the second end of the third divider resistance (R7), and described 4th point The second end of piezoresistance (R8) is grounded.
9. electronic cigarette as claimed in claim 8, which is characterized in that the charging circuit (200) includes the 4th filter capacitor (C4), the first end of the 4th filter capacitor (C4) is connected with the external power supply (500), the 4th filter capacitor (C4) Second end ground connection.
10. electronic cigarette as claimed in claim 9, which is characterized in that the charging circuit (200) includes the 5th filter capacitor (C5), the first end of the 5th filter capacitor (C5) is connected with the charging output end (217) of the charging chip (U3), described The second end of 5th filter capacitor (C5) is grounded.
CN201820304722.XU 2018-03-05 2018-03-05 Battery protecting circuit and electronic cigarette Active CN208241335U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820304722.XU CN208241335U (en) 2018-03-05 2018-03-05 Battery protecting circuit and electronic cigarette

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201820304722.XU CN208241335U (en) 2018-03-05 2018-03-05 Battery protecting circuit and electronic cigarette
PCT/CN2019/073115 WO2019169968A1 (en) 2018-03-05 2019-01-25 Battery protection circuit and electronic cigarette

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Publication Number Publication Date
CN208241335U true CN208241335U (en) 2018-12-14

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Application Number Title Priority Date Filing Date
CN201820304722.XU Active CN208241335U (en) 2018-03-05 2018-03-05 Battery protecting circuit and electronic cigarette

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WO2019169968A1 (en) * 2018-03-05 2019-09-12 常州市派腾电子技术服务有限公司 Battery protection circuit and electronic cigarette
WO2020182066A1 (en) * 2019-03-13 2020-09-17 常州市派腾电子技术服务有限公司 Battery protection circuit and electronic cigarette

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JP6952851B1 (en) * 2020-09-07 2021-10-27 日本たばこ産業株式会社 Controller for aspirator

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
JP4254227B2 (en) * 2002-11-28 2009-04-15 ソニー株式会社 battery pack
JP5977119B2 (en) * 2012-08-31 2016-08-24 日立マクセル株式会社 Secondary battery pack with charge / discharge protection function
CN206865186U (en) * 2017-06-12 2018-01-09 常州市派腾电子技术服务有限公司 Charging circuit and electronic cigarette
CN207039239U (en) * 2017-07-18 2018-02-23 歌尔科技有限公司 Charging base with energy storage function
CN208241335U (en) * 2018-03-05 2018-12-14 常州市派腾电子技术服务有限公司 Battery protecting circuit and electronic cigarette

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019169968A1 (en) * 2018-03-05 2019-09-12 常州市派腾电子技术服务有限公司 Battery protection circuit and electronic cigarette
WO2020182066A1 (en) * 2019-03-13 2020-09-17 常州市派腾电子技术服务有限公司 Battery protection circuit and electronic cigarette

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