WO2018129979A1 - 电子烟及其电池保护电路 - Google Patents

电子烟及其电池保护电路 Download PDF

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Publication number
WO2018129979A1
WO2018129979A1 PCT/CN2017/107449 CN2017107449W WO2018129979A1 WO 2018129979 A1 WO2018129979 A1 WO 2018129979A1 CN 2017107449 W CN2017107449 W CN 2017107449W WO 2018129979 A1 WO2018129979 A1 WO 2018129979A1
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WO
WIPO (PCT)
Prior art keywords
battery
connection end
connection
protection circuit
battery protection
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Application number
PCT/CN2017/107449
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English (en)
French (fr)
Inventor
邱伟华
Original Assignee
常州市派腾电子技术服务有限公司
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Filing date
Publication date
Application filed by 常州市派腾电子技术服务有限公司 filed Critical 常州市派腾电子技术服务有限公司
Priority to US16/477,842 priority Critical patent/US20190356145A1/en
Priority to EP17891131.9A priority patent/EP3570403A4/en
Priority to CN201790001563.XU priority patent/CN210273513U/zh
Publication of WO2018129979A1 publication Critical patent/WO2018129979A1/zh

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency 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
    • H02H7/18—Emergency 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0034—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting circuits
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/574—Devices or arrangements for the interruption of current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0014—Circuits for equalisation of charge between batteries
    • H02J7/0016—Circuits for equalisation of charge between batteries using shunting, discharge or bypass circuits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the traditional electronic cigarette only works when the battery is connected. When the battery is reversed, the electronic cigarette does not work, and the USB (Universal Serial Bus) line is charged immediately after the battery is reversed. Burn the battery. Regardless of the electronic cigarettes that can be replaced and replaced, the user and the manufacturer must carefully install the battery to prevent the battery from being reversed. In particular, the electronic cigarette that can replace the battery, if the user installs the battery in the absence of lighting or poor lighting conditions, it is easy to reverse, so that the battery or product is damaged due to reverse connection.
  • USB Universal Serial Bus
  • a battery protection circuit for connecting a battery having a first connection end for connecting one end of a battery, and a second connection end for connecting a battery
  • the other end of the battery protection circuit further includes a third connection end, a fourth connection end, a fifth connection end, and a sixth connection end; the third connection end and the fourth connection end are both used for connecting a positive voltage network, The fifth connection end and the sixth connection end are both used to connect to the network;
  • the battery protection circuit includes a three-terminal first switch unit, a second switch unit, a third switch unit, and a fourth switch unit, wherein each of the three ends of the switch unit is a first end, a second end, and a control end, wherein the first end and the second end are controlled by a level of the control end, and the first switch unit and the fourth switch unit are controlled to be at a high level, The low level control is turned off, and the second switch unit and the third switch unit are low level control on and high level control off;
  • the first switch unit has a first end connected to the positive voltage network as a third connection end, and the second end and the control end are connected to the first connection end;
  • the first switching unit and the fourth switching unit are both NMOS transistors, the first end is a source, the second end is a drain, and the control end is a gate;
  • the second switching unit and the third switching unit are both PMOS transistors, the first end is a source, the second end is a drain, and the control end is a gate.
  • the first switch unit and the fourth switch unit both use the chip AON6512, wherein the first pin 1-3 of the chip AON6512 as the first switch unit is taken out as the third connection terminal to connect the positive voltage.
  • the network, the 4th-8 pin is connected to the first connection end; the 1-3 pin of the chip AON6512 as the fourth switch unit is taken out as the fourth connection terminal to connect the positive voltage network, the 4th-8th pin
  • Each of the second connection ends is connected;
  • the second switch unit and the third switch unit both use the chip AON6411, wherein the first pin 1-3 of the chip AON6411 as the second switch unit is led out as the sixth connection end to connect the network, the 4th-8 pin
  • the first connection end is connected to each other; the first to third pins of the chip AON6411 as the third switching unit are led out as a network connected to the fifth connection end, and the fourth to eighth pins are connected to the second connection end.
  • the battery protection circuit includes a first relay switch module and a second relay switch module;
  • the first relay switch module includes a first coil and a first switch, and the second relay switch module includes a Two coils and a second switch;
  • the normally open contact of the switch is connected as a third connection end to the positive voltage network, the normally closed contact is connected to the network as the sixth connection end, and the common contact is connected to the first connection end;
  • the two ends of the second coil are respectively connected to the first connection end and the second connection end, and the normally open contact of the second switch is connected to the network as the fifth connection end, and the normally closed contact is used as the fourth connection end. Connecting a positive voltage network and a common contact to connect the second connection end;
  • the first connection end is respectively connected to the first coil and the second coil through a first anti-reverse diode connection, and an anode of the first anti-reverse diode is connected to the first connection end.
  • An electronic cigarette comprises a main control circuit, an atomization circuit and the above-mentioned battery protection circuit, wherein the battery protection circuit is used for connecting the battery to supply power to the main control circuit and the atomization circuit respectively.
  • the battery is detachably or fixedly coupled to the battery protection circuit.
  • the battery is a rechargeable battery.
  • the battery storage box is configured to receive the battery, and the battery storage box is formed with two indistinguishable first interfaces which are respectively led out from the positive electrode and the negative electrode of the battery, and the receiving boxes are respectively connected to the battery a first connecting end and a second connecting end of the battery protection circuit, wherein the receiving box is formed with the first connecting end and the second connecting end respectively introduced into the interior of the receiving box Two indistinguishable second interfaces;
  • the battery storage box is placed in the receiving box and connected through a first interface and a second interface that are indistinguishable.
  • the control terminal C of the first switching unit is turned on due to the input of the high level; the second switching unit is The control terminal C is turned off due to the input of the high level; the control terminal C of the third switching unit is turned on because of the input low level; the control terminal C of the fourth switching unit is turned off due to the input of the low level.
  • the battery outputs a voltage through the first switching unit and the third switching unit.
  • the control terminal C of the first switching unit When the negative pole of the battery is connected to the first connecting end and the positive pole is connected to the second connecting end, the control terminal C of the first switching unit is turned off due to the input low level; the control terminal C of the second switching unit is input low level. Therefore, the control terminal C of the third switching unit is turned off due to the input of the high level; the control terminal C of the fourth switching unit is turned on due to the input of the high level. Thereby, the battery outputs a voltage through the second switching unit and the fourth switching unit. Therefore, it can be realized that the power can be supplied in any way, and the reverse connection can be effectively prevented.
  • FIG. 1a and 1b are schematic diagrams showing the function of a battery protection circuit according to an embodiment
  • FIG. 2 is a block diagram of a battery protection circuit module of an embodiment
  • FIG. 3 is a circuit diagram of the MOS tube of the switching unit of FIG. 2;
  • FIG. 5 is a block diagram of a battery protection circuit module of another embodiment
  • Figure 6 is a block diagram of an electronic cigarette of an embodiment.
  • Fig. 7 is a schematic view of a battery storage case and a housing case.
  • the battery protection circuit 10 has a first connection end 101, a second connection end 102, a third connection end 103, a fourth connection end 104, a fifth connection end 105, and a sixth connection end 106.
  • the battery protection circuit 10 is used to connect the battery.
  • connection end 103 and the fourth connection end 104 are both used to connect a positive voltage network VCC_BAR, and the fifth connection end 105 and the sixth connection end 106 are both used to connect to the ground network GND.
  • connection end 101 when the first connection end 101 is connected to the battery positive electrode (+) and the second connection end 102 is connected to the battery negative electrode (-), the third connection end 103 is connected to the first connection end 101, and the The five connection ends 105 are in communication with the second connection end 102.
  • connection end 101 when the first connection end 101 is connected to the battery negative electrode (-) and the second connection end 102 is connected to the battery positive electrode (+), the sixth connection end 106 is connected to the first connection end 101, and the The four connection ends 104 are in communication with the second connection end 102.
  • the battery protection circuit 10 is used to connect the battery 90.
  • the first connection end 101 is connected to one end of the battery 90, and the second connection end 102 is connected to the other end of the battery 90.
  • the battery protection circuit 10 includes a first switching unit 110 having three ends, a second switching unit 120, a third switching unit 130, and a fourth switching unit 140.
  • the three ends of each switch unit are respectively a first end A, a second end B and a control end C, and the first end A and the second end B are controlled by the level of the control end C, and the A switching unit 110 and a fourth switching unit 140 are controlled to be at a high level, and a low level is controlled to be turned off, and the second switching unit 120 and the third switching unit 130 are controlled to be at a low level and are controlled at a high level. Shut down.
  • the first end A of the third switch unit 130 as the fifth connection end 105 is connected to the network GND, the second end B and the control end C are connected to the second connection end 102; the first end A of the fourth switch unit 140 is The fourth connection end 104 is connected to the positive voltage network VCC_BAR, the second end B and the control end C are connected to the second connection end 102.
  • the control terminal C of the first switching unit 110 is turned on due to the input of the high level; the control terminal C of the second switching unit 120 is The input terminal C of the third switching unit 130 is turned on because the input low level is input; the control terminal C of the fourth switching unit 140 is turned off due to the input low level.
  • the battery 90 outputs a voltage through the first switching unit 110 and the third switching unit 130, that is, a voltage is output through the third connection terminal 103 and the fifth connection terminal 105.
  • the control terminal C of the first switching unit 110 is turned off due to the input low level; the control terminal C of the second switching unit 120 is The input terminal C is turned on; the control terminal C of the third switching unit 130 is turned off due to the input of the high level; the control terminal C of the fourth switching unit 140 is turned on because of the input high level.
  • the battery 90 outputs a voltage through the second switching unit 120 and the fourth switching unit 140, that is, through the fourth connection terminal 104.
  • the sixth connection terminal 106 outputs a voltage.
  • the first switch unit 110 and the fourth switch unit 140 both use the chip AON 6512, wherein the first pin 1-3 of the chip AON 6512 as the first switch unit 110 is taken out as
  • the third connection terminal 103 is connected to the positive voltage network VCC_BAR, the fourth to eighth pins are connected to the first connection end 101; the third to third pins of the chip AON6512 as the fourth switching unit are all taken out as the fourth connection end 104.
  • a positive voltage network VCC_BAR is connected, and pins 4-8 are connected to the second connection terminal 102.
  • FIG. 5 is a block diagram of a battery protection circuit module of another embodiment.
  • the battery protection circuit 10 includes a first relay switch module 210 and a second relay switch module 220.
  • the first relay switch module 210 includes a first coil 211 and a first switch 212
  • the second relay switch module 220 includes a second coil 221 and a second switch 222.
  • the two ends 211 of the first coil are respectively connected to the first connection end 101 and the second connection end 102, and the normally open contact of the first switch 212 is connected as a third connection end 103 to the positive voltage network VCC_BAR, normally closed.
  • the contact is connected as a sixth connection 106 to the network GND, and the common contact is connected to the first connection 101.
  • the two ends of the second coil 221 are respectively connected to the first connection end 101 and the second connection end 102, and the normally open contact of the second switch 222 is connected to the network GND as the fifth connection end 105, and the normally closed contact
  • the point is connected as a fourth connection 104 to the positive voltage network VCC_BAR, and the common contact is connected to the second connection 102.
  • first coil 211 and the first switch 212 are magnetically connected, and the second coil 221 and the second switch 222 magnetic connection.
  • first coil 211 is adjacent to the normally open contact in the first switch 212
  • second coil 221 is adjacent to the normally open contact in the second switch 222.
  • the relay switch module 210 connects the positive pole of the battery to the positive voltage network VCC_BAR through the third connection end 103; at the same time, the current also generates electromagnetic induction through the second coil 221, and attracts the elastic piece of the second switch 222 to the normally open contact, therefore,
  • the two relay switch module 220 connects the negative pole of the battery to the ground network GND through the fifth connection end 105.
  • the first connection end 101 When the first connection end 101 is connected to the battery negative electrode and the second connection end 102 is connected to the battery positive electrode, current cannot pass through the first anti-reverse diode D1 and flows to the first coil 211 and the second coil 221.
  • the spring of the first switch 212 remains normally closed. Therefore, the first relay switch module 210 connects the negative pole of the battery to the ground network GND through the sixth connection end 106; while the spring of the second switch 222 remains normally closed, therefore, the second relay The switch module 220 connects the positive terminal of the battery to the positive voltage network VCC_BAR through the fourth connection terminal 104.
  • the battery protection circuit 10 described above can be applied to an electronic cigarette or other electronic device.
  • An electronic cigarette of an embodiment is provided below.
  • the electronic cigarette of an embodiment includes the battery protection circuit 10, the main control circuit 20, and the atomization circuit 30 described above.
  • the battery protection circuit 10 is used to access the battery 90 to supply power to the main control circuit 20 and the atomization circuit 30, respectively.
  • the above electronic cigarette may further include a battery 90.
  • the positive electrode of the battery 90 is connected to the first connection end 101 of the battery protection circuit 10, and the negative electrode is connected to the second connection end 102 of the battery protection circuit 10.
  • the positive electrode of the battery 90 is connected to the second connection end 102 of the battery protection circuit 10, and the negative electrode is connected to the first connection end 101 of the battery protection circuit 10.
  • the battery protection circuit 10 can supply power to the electronic cigarette when the battery 90 is connected in any way.
  • the battery 90 is detachably or fixedly coupled to the battery protection circuit 10.
  • the detachable connection is suitable for the case of a replaceable battery, and the battery protection circuit 10 described above can prevent the user from reversing the battery when the battery is mounted.
  • the fixed connection is suitable for the case where the electronic cigarette does not allow replacement of the battery, and the battery protection circuit 10 can prevent the battery from being reversed when the battery is assembled in the production process, thereby improving assembly efficiency.
  • Battery 90 can be a rechargeable battery.
  • the rechargeable battery is suitable for being detachably connected to the electronic cigarette or fixedly connected to the electronic cigarette.
  • the electronic cigarette may further include a receiving box 40 and a battery storage box 50.
  • the battery storage case 50 is for accommodating the battery 90.
  • the battery storage case 50 is formed with two non-differential first interfaces 501 and 502 which are respectively led out from the positive electrode and the negative electrode of the battery 90.
  • the accommodating case 40 is respectively connected to the first connecting end 101 and the second connecting end 102 of the battery protection circuit 10, and the receiving box 40 is formed with the first connecting end 101 and the second connecting end 102 respectively introduced into the interior. Two indistinguishable second interfaces 401, 402.
  • the battery storage box 50 is connected to the second interfaces 401 and 402 of the accommodating case 40 through the first interfaces 501 and 502, so that the battery accommodating case 50 is placed in the accommodating case 40.
  • the battery may be a button battery or a column battery, and the battery storage box 50 is correspondingly shaped and configured to accommodate a button battery or a column battery.
  • the battery storage case 50 has a structure that fits the positive and negative electrodes of the battery, and the outside has a general shape structure.

Abstract

一种电子烟及其电池保护电路。该电池保护电路（10），用于连接电池（90），所述电池保护电路（10）具有第一连接端（101）和第二连接端（102），所述第一连接端（101）连接电池（90）的一端，所述第二连接端（102）连接电池（90）的另一端；所述电池保护电路（10）还包括第三连接端（103）、第四连接端（104）、第五连接端（105）和第六连接端（106）；第三连接端（103）和第四连接端（104）均用于连接正电压网络，所述第五连接端（105）和第六连接端（106）均用于连接地网络；所述第一连接端（101）连接电池正极且第二连接端（102）连接电池负极时，所述第三连接端（103）与第一连接端（101）连通，且第五连接端（105）与第二连接端（102）连通；第一连接端（101）连接电池负极且第二连接端（102）连接电池正极时，第六连接端（106）与第一连接端（101）连通，且第四连接端（104）与第二连接端（102）连通。上述电子烟及电池保护电路可以防止电池接反。

Description

电子烟及其电池保护电路 技术领域
本发明涉及模拟吸烟技术领域，特别是涉及一种电子烟及其电池保护电路。
背景技术
传统的电子烟只有在电池正接时，电子烟才通电工作，当电池反接时，电子烟断电不工作，并且电池反接后插USB(Universal Serial Bus，通用串行总线)线充电会立即烧毁电池。无论可更换和不可更换电池的电子烟，使用者和生产者在安装电池时都必须谨慎安装以免电池反接。特别是可更换电池的电子烟，使用者如果在没有灯光或照明不良条件下安装电池容易装反，使得电池或者产品由于反接而损坏。
发明内容
基于此，有必要提供一种电池保护电路，在电池正接或反接时都可以提供电压输出或输入，以保护电池或电路。
此外，还提供一种电子烟。
一种电池保护电路，用于连接电池，所述电池保护电路具有第一连接端和第二连接端，所述第一连接端用于连接电池的一端，所述第二连接端用于连接电池的另一端；所述电池保护电路还包括第三连接端、第四连接端、第五连接端和第六连接端；所述第三连接端和第四连接端均用于连接正电压网络，所述第五连接端和第六连接端均用于连接地网络；
所述第一连接端连接电池正极且第二连接端连接电池负极时，所述第三连接端与第一连接端连通，且第五连接端与第二连接端连通；
所述第一连接端连接电池负极且第二连接端连接电池正极时，所述第六连接端与第一连接端连通，且第四连接端与第二连接端连通。
在其中一个实施例中，所述电池保护电路包括三端的第一开关单元、第二开关单元、第三开关单元以及第四开关单元，其中每个开关单元的三端分别为 第一端、第二端和控制端，第一端和第二端之间由控制端的电平控制是否导通，且所述第一开关单元和第四开关单元为高电平控制导通、低电平控制关断，所述第二开关单元和第三开关单元为低电平控制导通、高电平控制关断；
所述第一开关单元：第一端作为第三连接端连接正电压网络、第二端和控制端均与所述第一连接端连接；
所述第二开关单元：第一端作为第六连接端连接地网络、第二端和控制端均与所述第一连接端连接；
所述第三开关单元：第一端作为第五连接端连接地网络、第二端和控制端均与所述第二连接端连接；
所述第四开关单元：第一端作为第四连接端连接正电压网络、第二端和控制端均与所述第二连接端连接。
在其中一个实施例中，所述第一开关单元和第四开关单元均为NMOS管，第一端为源极、第二端为漏极、控制端为栅极；
所述第二开关单元和第三开关单元均为PMOS管，第一端为源极、第二端为漏极、控制端为栅极。
在其中一个实施例中，所述第一开关单元和第四开关单元均采用芯片AON6512，其中，作为第一开关单元的芯片AON6512的第1-3引脚均引出作为第三连接端连接正电压网络，第4-8引脚均连接所述第一连接端；作为第四开关单元的芯片AON6512的第1-3引脚均引出作为第四连接端连接正电压网络，第4-8引脚均连接所述第二连接端；
所述第二开关单元和第三开关单元均采用芯片AON6411，其中，作为第二开关单元的芯片AON6411的第1-3引脚均引出作为第六连接端连接地网络，第4-8引脚均连接所述第一连接端；作为第三开关单元的芯片AON6411的第1-3引脚均引出作为第五连接端连接地网络，第4-8引脚均连接所述第二连接端。
在其中一个实施例中，所述电池保护电路包括第一继电器开关模块和第二继电器开关模块；所述第一继电器开关模块包括第一线圈和第一开关，所述第二继电器开关模块包括第二线圈和第二开关；
所述第一线圈的两端分别连接所述第一连接端和第二连接端，所述第一开 关的常开触点作为第三连接端连接正电压网络、常闭触点作为第六连接端连接地网络、公共触点连接第一连接端；
所述第二线圈的两端分别连接所述第一连接端和第二连接端，所述第二开关的常开触点作为第五连接端连接地网络、常闭触点作为第四连接端连接正电压网络、公共触点连接第二连接端；
其中，所述第一连接端通过第一防反二极管连接分别连接到第一线圈和第二线圈，且第一防反二极管的阳极连接所述第一连接端。
一种电子烟，包括主控电路、雾化电路以及上述的电池保护电路，所述电池保护电路用于接入电池分别为主控电路和雾化电路供电。
在其中一个实施例中，还包括电池，所述电池的正极与电池保护电路的第一连接端连接，且负极与电池保护电路的第二连接端连接；或者所述电池的正极与电池保护电路的第二连接端连接，且负极与电池保护电路的第一连接端连接。
在其中一个实施例中，所述电池与电池保护电路可拆卸连接或固定连接。
在其中一个实施例中，所述电池为可充电电池。
在其中一个实施例中，还包括容置盒和电池收纳盒；
所述电池收纳盒用于收纳所述电池，所述电池收纳盒中形成有由所述电池的正极和负极分别引出在外部的两个无差别的第一接口，所述容置盒分别连接所述电池保护电路的第一连接端和所述第二连接端，所述容置盒中形成有由所述第一连接端和所述第二连接端分别引入到所述容置盒的内部的两个无差别的第二接口；
所述电池收纳盒置于所述容置盒内并通过无差别的第一接口和第二接口连接。
上述电子烟及其电池保护电路，当电池的正极连接第一连接端且负极连接第二连接端时，第一开关单元的控制端C由于输入高电平，故导通；第二开关单元的控制端C由于输入高电平，故关断；第三开关单元的控制端C由于输入低电平、故导通；第四开关单元的控制端C由于输入低电平，故关断。从而，电池通过第一开关单元和第三开关单元输出电压。
当电池的负极连接第一连接端且正极连接第二连接端时，第一开关单元的控制端C由于输入低电平，故关断；第二开关单元的控制端C由于输入低电平，故导通；第三开关单元的控制端C由于输入高电平、故关断；第四开关单元的控制端C由于输入高电平，故导通。从而，电池通过第二开关单元和第四开关单元输出电压。故可以实现以任意方式接入都能够供电，有效防止接反。
附图说明
图1a和图1b为一实施例的电池保护电路功能示意图；
图2为一实施例的电池保护电路模块图；
图3为图2中的开关单元采用MOS管的电路图；
图4为图2中的开关单元采用芯片的电路图；
图5为另一实施例的电池保护电路模块图；
图6为一实施例的电子烟的模块图。
图7为电池收纳盒和容置盒的示意图。
具体实施方式
以下结合附图和实施例进行进一步说明。
图1a和图1b为一实施例的电池保护电路功能示意图。该电池保护电路10具有第一连接端101、第二连接端102、第三连接端103、第四连接端104、第五连接端105以及第六连接端106。电池保护电路10用于连接电池。
所述第三连接端103和第四连接端104均用于连接正电压网络VCC_BAR，所述第五连接端105和第六连接端106均用于连接地网络GND。
如图1a所示，所述第一连接端101连接电池正极(+)且第二连接端102连接电池负极(-)时，所述第三连接端103与第一连接端101连通，且第五连接端105与第二连接端102连通。
如图1b所示，所述第一连接端101连接电池负极(-)且第二连接端102连接电池正极(+)时，所述第六连接端106与第一连接端101连通，且第四连接端104与第二连接端102连通。
图2为一实施例的电池保护电路模块图。该电池保护电路10用于连接电池90。第一连接端101连接电池90的一端，第二连接端102连接电池90的另一端。
电池保护电路10包括具有三端的第一开关单元110、第二开关单元120、第三开关单元130以及第四开关单元140。每个开关单元的三端分别为第一端A、第二端B和控制端C，第一端A和第二端B之间由控制端C的电平控制是否导通，且所述第一开关单元110和第四开关单元140为高电平控制导通、低电平控制关断，所述第二开关单元120和第三开关单元130为低电平控制导通、高电平控制关断。
如图2所示，第一开关单元110的第一端A作为第三连接端103连接正电压网络VCC_BAR、第二端B和控制端C均与所述第一连接端101连接。所述第二开关单元120第一端A作为第六连接端106连接地网络GND、第二端B和控制端C均与所述第一连接端101连接；
第三开关单元130的第一端A作为第五连接端105连接地网络GND、第二端B和控制端C均与所述第二连接端102连接；第四开关单元140第一端A作为第四连接端104连接正电压网络VCC_BAR、第二端B和控制端C均与所述第二连接端102连接。
当电池90的正极连接第一连接端101且负极连接第二连接端102时，第一开关单元110的控制端C由于输入高电平，故导通；第二开关单元120的控制端C由于输入高电平，故关断；第三开关单元130的控制端C由于输入低电平、故导通；第四开关单元140的控制端C由于输入低电平，故关断。从而，电池90通过第一开关单元110和第三开关单元130输出电压，即通过第三连接端103和第五连接端105输出电压。
当电池90的负极连接第一连接端101且正极连接第二连接端102时，第一开关单元110的控制端C由于输入低电平，故关断；第二开关单元120的控制端C由于输入低电平，故导通；第三开关单元130的控制端C由于输入高电平、故关断；第四开关单元140的控制端C由于输入高电平，故导通。从而，电池90通过第二开关单元120和第四开关单元140输出电压，即通过第四连接端104 和第六连接端106输出电压。
在其中一个实施例中，如图3所示，第一开关单元110和第四开关单元140可以均为NMOS管，第一端A为源极S、第二端B为漏极D、控制端C为栅极G。所述第二开关单元120和第三开关单元130均为PMOS管，第一端A为源极S、第二端B为漏极D、控制端C为栅极G。
在其中一个实施例中，如图4所示，第一开关单元110和第四开关单元140均采用芯片AON6512，其中，作为第一开关单元110的芯片AON6512的第1-3引脚均引出作为第三连接端103连接正电压网络VCC_BAR，第4-8引脚均连接所述第一连接端101；作为第四开关单元的芯片AON6512的第1-3引脚均引出作为第四连接端104连接正电压网络VCC_BAR，第4-8引脚均连接所述第二连接端102。第二开关单元120和第三开关单元130均采用芯片AON6411，其中，作为第二开关单元120的芯片AON6411的第1-3引脚均引出作为第六连接端106连接地网络GND，第4-8引脚均连接所述第一连接端101；作为第三开关单元130的芯片AON6411的第1-3引脚均引出作为第五连接端105连接地网络GND，第4-8引脚均连接所述第二连接端102。
图5为另一实施例的电池保护电路模块图。所述电池保护电路10包括第一继电器开关模块210和第二继电器开关模块220。所述第一继电器开关模块210包括第一线圈211和第一开关212，所述第二继电器开关模块220包括第二线圈221和第二开关222。
所述第一线圈的211两端分别连接所述第一连接端101和第二连接端102，所述第一开关212的常开触点作为第三连接端103连接正电压网络VCC_BAR、常闭触点作为第六连接端106连接地网络GND、公共触点连接第一连接端101。
所述第二线圈221的两端分别连接所述第一连接端101和第二连接端102，所述第二开关222的常开触点作为第五连接端105连接地网络GND、常闭触点作为第四连接端104连接正电压网络VCC_BAR、公共触点连接第二连接端102。
其中，所述第一连接端101通过第一防反二极管D1连接分别连接到第一线圈211和第二线圈221，且第一防反二极管D1的阳极连接所述第一连接端101。
其中，第一线圈211和第一开关212磁性连接，第二线圈221和第二开关 222磁性连接。并且，实际实现时，第一线圈211与第一开关212中的常开触点相邻，类似的，第二线圈221与第二开关222中的常开触点相邻。
当第一连接端101连接至电池正极，第二连接端102连接至电池负极时，电流从第一连接端101(电池正极)经过第一防反二极管D1，分别流向第一线圈211和第二线圈221，最后流回至第二连接端102(电池负极)，形成一个回路，电流经过第一线圈211时产生电磁感应，把第一开关212的弹片吸引至常开触点，因此，第一继电器开关模块210将电池的正极通过第三连接端103接入正电压网络VCC_BAR；同时电流也经过第二线圈221产生电磁感应，把第二开关222的弹片吸引至常开触点，因此，第二继电器开关模块220通过第五连接端105将电池的负极接入地网络GND。
当第一连接端101连接至电池负极，第二连接端102连接至电池正极时，电流无法经过第一防反二极管D1，流向第一线圈211和第二线圈221。第一开关212的弹片保持常闭，因此，第一继电器开关模块210通过第六连接端106将电池的负极接入地网络GND；同时第二开关222的弹片保持常闭，因此，第二继电器开关模块220通过第四连接端104将电池的正极接入正电压网络VCC_BAR。
上述电池保护电路10可以应用在电子烟或其他电子设备中。以下提供一实施例的电子烟。
如图6所示，一实施例的电子烟包括上述的电池保护电路10、主控电路20以及雾化电路30。电池保护电路10用于接入电池90分别为主控电路20和雾化电路30供电。
上述电子烟还可以包括电池90。电池90的正极与电池保护电路10的第一连接端101连接，且负极与电池保护电路10的第二连接端102连接。或者电池90的正极与电池保护电路10的第二连接端102连接，且负极与电池保护电路10的第一连接端101连接。电池保护电路10可以在电池90正负极以任意方式接入时都能为电子烟供电。
电池90与电池保护电路10可拆卸连接或固定连接。可拆卸连接适用于可更换电池的情况，上述电池保护电路10可以防止用户在装电池时将电池装反。 固定连接适用于电子烟不允许更换电池的情况，上述电池保护电路10可以防止在生产过程中装配电池时将电池装反，提高装配效率。电池90可以是可充电电池。可充电电池适用于可拆卸连接于电子烟中或者固定连接于电子烟中。
进一步地，如图7所示，上述电子烟还可以包括容置盒40和电池收纳盒50。电池收纳盒50用于收纳电池90，电池收纳盒50中形成有由电池90的正极和负极分别引出在外部的两个无差别的第一接口501、502。容置盒40分别连接所述电池保护电路10的第一连接端101和第二连接端102，并且容置盒40中形成有由第一连接端101和第二连接端102分别引入到内部的两个无差别的第二接口401、402。电池收纳盒50通过第一接口501、502与容置盒40中的第二接口401、402连接，进而使得电池收纳盒50置于容置盒40内。电池可以是纽扣电池或者柱状电池，电池收纳盒50则相应地为可以收纳纽扣电池或柱状电池的形状及结构。
采用上述结构，电池收纳盒50内部具有与电池正负极适配的结构，外部则为通用的形状结构，与容置盒40装配时，不用考虑从哪个方向安装，简单方便。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (10)

  1. 一种电池保护电路，其特征在于，用于连接电池，所述电池保护电路具有第一连接端和第二连接端，所述第一连接端用于连接所述电池的一端，所述第二连接端用于连接所述电池的另一端；所述电池保护电路还包括第三连接端、第四连接端、第五连接端和第六连接端；所述第三连接端和第四连接端均用于连接正电压网络，所述第五连接端和第六连接端均用于连接地网络；
    所述第一连接端连接电池正极且所述第二连接端连接电池负极时，所述第三连接端与所述第一连接端连通，且所述第五连接端与所述第二连接端连通；
    所述第一连接端连接所述电池负极且所述第二连接端连接所述电池正极时，所述第六连接端与所述第一连接端连通，且第四连接端与所述第二连接端连通。
  2. 根据权利要求1所述的电池保护电路，其特征在于，所述电池保护电路包括三端的第一开关单元、第二开关单元、第三开关单元以及第四开关单元，其中每个开关单元的三端分别为第一端、第二端和控制端，所述第一端和所述第二端之间由所述控制端的电平控制是否导通，且所述第一开关单元和所述第四开关单元为高电平控制导通、低电平控制关断，所述第二开关单元和所述第三开关单元为低电平控制导通、高电平控制关断；
    所述第一开关单元：第一端作为所述第三连接端连接正电压网络、第二端和控制端均与所述第一连接端连接；
    所述第二开关单元：第一端作为所述第六连接端连接地网络、第二端和控制端均与所述第一连接端连接；
    所述第三开关单元：第一端作为所述第五连接端连接地网络、第二端和控制端均与所述第二连接端连接；
    所述第四开关单元：第一端作为所述第四连接端连接正电压网络、第二端和控制端均与所述第二连接端连接。
  3. 根据权利要求2所述的电池保护电路，其特征在于，所述第一开关单元和所述第四开关单元均为NMOS管，第一端为源极、第二端为漏极、控制端为栅极；
    所述第二开关单元和所述第三开关单元均为PMOS管，第一端为源极、第 二端为漏极、控制端为栅极。
  4. 根据权利要求3所述的电池保护电路，其特征在于，所述第一开关单元和第四开关单元均采用芯片AON6512，其中，作为所述第一开关单元的芯片AON6512的第1-3引脚均引出作为所述第三连接端连接正电压网络，第4-8引脚均连接所述第一连接端；作为第四开关单元的芯片AON6512的第1-3引脚均引出作为第四连接端连接正电压网络，第4-8引脚均连接所述第二连接端；
    所述第二开关单元和第三开关单元均采用芯片AON6411，其中，作为第二开关单元的芯片AON6411的第1-3引脚均引出作为第六连接端连接地网络，第4-8引脚均连接所述第一连接端；作为第三开关单元的芯片AON6411的第1-3引脚均引出作为第五连接端连接地网络，第4-8引脚均连接所述第二连接端。
  5. 根据权利要求1所述的电池保护电路，其特征在于，所述电池保护电路包括第一继电器开关模块和第二继电器开关模块；所述第一继电器开关模块包括第一线圈和第一开关，所述第二继电器开关模块包括第二线圈和第二开关；
    所述第一线圈的两端分别连接所述第一连接端和第二连接端，所述第一开关的常开触点作为所述第三连接端连接正电压网络、常闭触点作为所述第六连接端连接地网络、公共触点连接所述第一连接端；
    所述第二线圈的两端分别连接所述第一连接端和所述第二连接端，所述第二开关的常开触点作为所述第五连接端连接地网络、常闭触点作为所述第四连接端连接正电压网络、公共触点连接所述第二连接端；
    其中，所述第一连接端通过第一防反二极管连接分别连接到所述第一线圈和所述第二线圈，且所述第一防反二极管的阳极连接所述第一连接端。
  6. 一种电子烟，其特征在于，所述电子烟包括主控电路、雾化电路以及权利要求1～5任一项所述的电池保护电路，所述电池保护电路用于接入电池分别为主控电路和雾化电路供电。
  7. 根据权利要求6所述的电子烟，其特征在于，还包括所述电池，所述电池的正极与所述电池保护电路的所述第一连接端连接，且负极与所述电池保护电路的所述第二连接端连接；或者所述电池的正极与所述电池保护电路的所述第二连接端连接，且负极与所述电池保护电路的所述是第一连接端连接。
  8. 根据权利要求6所述的电子烟，其特征在于，所述电池与所述电池保护电路可拆卸连接或固定连接。
  9. 根据权利要求6所述的电子烟，其特征在于，所述电池为可充电电池。
  10. 根据权利要求6所述的电子烟，其特征在于，还包括容置盒和电池收纳盒；所述电池收纳盒用于收纳所述电池，所述电池收纳盒中形成有由所述电池的正极和负极分别引出在外部的两个无差别的第一接口，所述容置盒分别连接所述电池保护电路的第一连接端和所述第二连接端，所述容置盒中形成有由所述第一连接端和所述第二连接端分别引入到所述容置盒的内部的两个无差别的第二接口；
    所述电池收纳盒置于所述容置盒内并通过无差别的第一接口和第二接口连接。
PCT/CN2017/107449 2017-01-13 2017-10-24 电子烟及其电池保护电路 WO2018129979A1 (zh)

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