Electronic cigarette case and method for charging an electronic cigarette through it

Patent metadata

Field	Value
Publication number	US-9281705-B2
Application number	US-201313968136-A
Country	US
Kind code	B2
Filing date	Aug 15, 2013
Priority date	Jun 28, 2013
Publication date	Mar 8, 2016
Grant date	Mar 8, 2016

Abstract

An electronic cigarette case and a method for charging an electronic cigarette through it are provided. The electronic cigarette case comprises a case body having a charging interface, it further comprises a controller, a trigger switch, a charging detection module and an electronic cigarette charging output module, the trigger switch is set close to the charging interface and will be triggered when the electronic cigarette has been inserted into the charging interface, in case the controller has found out that the trigger switch has been triggered, it will control the electronic cigarette charging output module to enter a charging mode; in case the charging detection module has found out that the electronic cigarette has been fully charged, the controller will control the electronic cigarette charging output module to enter an ultra low standby mode.

First claim

What is claimed is:

1. An electronic cigarette case comprising
a case body for accommodating electronic cigarettes, the case body having a charging interface for accepting an electronic cigarette when charging the electronic cigarette;
a controller;
a trigger switch;
a charging detection module; and
an electronic cigarette charging output module;
wherein, the trigger switch, the charging detection module and the electronic cigarette charging output module are connected to the controller;
the trigger switch is mounted structurally close to the charging interface, so that the trigger switch is capable of being automatically triggered by the electronic cigarette due to an insertion of the electronic cigarette into the charging interface;
in case the controller has found out that the trigger switch has been triggered, it will control the electronic cigarette charging output module to enter a charging mode in which the electronic cigarette charging output module will generate a charging current and output the charging current to the electronic cigarette to charge the electronic cigarette inserted; in case the charging detection module has found out that the electronic cigarette has been fully charged, the controller will control the electronic cigarette charging output module to enter an ultra low standby mode in which the electronic cigarette charging output module will stop generating the charging current to make the standby current in the electronic cigarette case lower than 10 mA.

2. The electronic cigarette case of claim 1 , wherein, the trigger switch comprises an elastic button and a signal generator communicated to the elastic button; the elastic button is mounted structurally close to the charging interface, so that the elastic button is capable of being automatically pressed by the electronic cigarette when the electronic cigarette is inserted into the charging interface; the signal generator is capable of being started up to generate an inserting signal when the elastic button is pressed.

3. The electronic cigarette case of claim 1 , wherein, the signal generator comprises an eleventh resistor, a twelfth resistor, a fifth capacitor, a sixth capacitor and a three-terminal-adjustable shunt reference source, the positive pole of the three-terminal-adjustable shunt reference source is connected to the controller, the negative pole of the three-terminal-adjustable shunt reference source is connected to a reference voltage via the twelfth resistor, the negative pole of the three-terminal-adjustable shunt reference source is also connected to a positive voltage, the reference pole of the three-terminal-adjustable shunt reference source is connected to the positive voltage too, the sixth capacitor is connected between the positive voltage and the ground; the elastic button is connected between the controller and a negative voltage, one end of the eleventh resistor is connected to the negative voltage via the elastic button, the other end of the eleventh resistor is connected to the reference voltage and connected to the ground via the fifth capacitor.

4. The electronic cigarette case of claim 1 , wherein, the trigger switch comprises a Holzer switch mounted structurally close to the charging interface, so that the Holzer switch is capable of automatically generating an inserting signal when the electronic cigarette that has a magnet is inserted into the charging interface.

5. An electronic cigarette case comprising
a case body for accommodating electronic cigarettes, the case body having a charging interface for accepting an electronic cigarette when charging the electronic cigarette;
a controller;
a trigger switch;
a charging detection module; and
an electronic cigarette charging output module;
wherein, the trigger switch, the charging detection module and the electronic cigarette charging output module are connected to the controller, the trigger switch is set close to the charging interface and will be triggered when the electronic cigarette has been inserted into the charging interface, in case the controller has found out that the trigger switch has been triggered, it will control the electronic cigarette charging output module to enter a charging mode in which the electronic cigarette charging output module will generate a charging current and output the charging current to the electronic cigarette to charge the electronic cigarette inserted; in case the charging detection module has found out that the electronic cigarette has been fully charged, the controller will control the electronic cigarette charging output module to enter an ultra low standby mode in which the electronic cigarette charging output module will stop generating the charging current to make the standby current in the electronic cigarette case lower than 10 mA;
wherein, the charging detection module comprises a charging current detection module operable to detect the charging current, the electronic cigarette will be determined to be fully charged if the charging current detected is lower than a preset current threshold;
wherein, the charging current detection module comprises a ninth resistor, a tenth resistor and a fourth capacitor, the tenth resistor is connected between the positive pole of the battery rod in the electronic cigarette and the ground, the ninth resistor is connected between the positive pole of the battery rod and the controller, the fourth capacitor is connected between the controller and the ground.

6. An electronic cigarette case comprising
a case body for accommodating electronic cigarettes, the case body having a charging interface for accepting an electronic cigarette when charging the electronic cigarette;
a controller;
a trigger switch;
a charging detection module; and
an electronic cigarette charging output module;
wherein, the trigger switch, the charging detection module and the electronic cigarette charging output module are connected to the controller, the trigger switch is set close to the charging interface and will be triggered when the electronic cigarette has been inserted into the charging interface, in case the controller has found out that the trigger switch has been triggered, it will control the electronic cigarette charging output module to enter a charging mode in which the electronic cigarette charging output module will generate a charging current and output the charging current to the electronic cigarette to charge the electronic cigarette inserted; in case the charging detection module has found out that the electronic cigarette has been fully charged, the controller will control the electronic cigarette charging output module to enter an ultra low standby mode in which the electronic cigarette charging output module will stop generating the charging current to make the standby current in the electronic cigarette case lower than 10 mA;
wherein, the charging detection module comprises a voltage detection module operable to detect the voltage of the electronic cigarette, the electronic cigarette will be determined to be fully charged if the voltage detected is higher than a preset voltage threshold;
wherein, the voltage detection module comprises a seventh resistor, an eighth resistor and a second capacitor, the seventh resistor and the eighth resistor are successively connected in series between the positive pole of the battery rod in the electronic cigarette and the ground, the common node of the seventh resistor and the eighth resistor is connected to the controller, the second capacitor is connected between the controller and the ground.

7. An electronic cigarette case comprising
a case body for accommodating electronic cigarettes, the case body having a charging interface for accepting an electronic cigarette when charging the electronic ci

Assignees

• Xiang Zhiyong
• Huizhou Kimree Technology Co Ltd Shenzhen Branch

Inventors

• Xiang Zhiyong

Classifications

• H02J7/96

  in response to battery voltage · CPC title

• H02J7/94

  in response to battery current · CPC title

• H02J7/90 Primary

  Regulation of charging or discharging current or voltage · CPC title

• H02J7/007 Primary

  Electricity · mapped topic

• H02J7/04

  Regulation of charging current or voltage · CPC title