CN102480139A - Automatic power-off device for charger - Google Patents
Automatic power-off device for charger Download PDFInfo
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- CN102480139A CN102480139A CN2010105579686A CN201010557968A CN102480139A CN 102480139 A CN102480139 A CN 102480139A CN 2010105579686 A CN2010105579686 A CN 2010105579686A CN 201010557968 A CN201010557968 A CN 201010557968A CN 102480139 A CN102480139 A CN 102480139A
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- battery
- shell fragment
- unit
- charging
- control unit
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Abstract
Disclosed is an automatic power-off device for a charger, which comprises a shell, a charging unit, an ejection unit and a control unit. The shell is provided with a battery slot, and the charging unit is arranged inside the shell. The charging unit is provided with a charging contact which is located inside the battery slot. The ejection unit comprises an ejecting piece which is pivotally arranged inside the shell and located inside the battery slot. The ejecting piece is provided with a battery charging position and a battery ejection position. The control unit is arranged inside the shell and is electrically connected with the charging unit and ejection unit. The control unit detects whether the charging unit reaches a charging saturation value. When the charging unit reaches the charging saturation value, the control unit drives the ejecting piece of the ejection unit to move from the battery charging position to the battery ejection position to separate a rechargeable battery from the charging contact, thereby achieving the effect of automatic power-off.
Description
Technical field
The present invention relates to a kind of auto-power-off device, particularly a kind of auto-power-off device that is used for charger.
Background technology
Along with science and technology is flourishing, various convenience-for-people electric equipment products consequentialities.Electric equipment products certainly will need to lean on the supply of electric power to use, and the supply of electric power is divided into direct current and alternating current, wherein the civil power of alternating current general normal theory just.Battery then belongs to direct current, and many electric equipment products of carrying like mobile phone, just are to use the required power supply of battery supplied mobile phone.But battery of mobile phone generally is the rechargeable battery that recharge uses, and rechargeable battery can be supplied its electric energy through charger.
Existing charger is to connect a charging circuit, and charging circuit is connected with the input power supply again.Charging circuit also connects a control switch, and control switch is general mains switch commonly used.After charger was with the battery full charging, the user closed control switch again, to stop the charging electric power supply.Though control switch can be blocked the supply of power supply, under real behaviour in service, the user can not look after by control switch at any time.Therefore, the electrical equipment that usually can charge is with the battery full charging, but control switch do not cut out the situation with the supply that stops power supply.Thus, with causing input power supply and charging electrical equipment to continue to keep the phenomenon of conducting, also make charger continue to produce expending of power supply.So be not only pecuniary waste, do not meet the trend of environmental protection and energy saving now especially.And, when battery by full charging but when but being maintained at charged state constantly, such situation also can make reduce the useful life of battery, and then cause the user to eliminate to change the frequency of battery and increase pecuniary burden.
Summary of the invention
In view of above problem, the object of the present invention is to provide a kind of charger auto-power-off device, use solving the existing charger of prior art and can't cut off the power supply automatically, cause expending of power supply, and make the problem that reduces in useful life of battery.
The present invention discloses the charger auto-power-off device of an embodiment, and it comprises a housing, a charhing unit, an ejecting unit and a control unit.Housing has a battery insertion groove, and charhing unit is arranged in this housing.Charhing unit has a charging contacts, and charging contacts is positioned at battery insertion groove.Ejecting unit comprises a shell fragment, and shell fragment is hubbed at housing, and is positioned at battery insertion groove.Shell fragment has a battery charge position and a battery ejects the position.Control unit is arranged at housing, and control unit electrically connects charhing unit and ejecting unit.Control unit detects charhing unit and whether reaches a charging saturation value.When charhing unit reached the charging saturation value, the shell fragment of control unit driving ejecting unit moved to battery from the battery charge position and ejects the position.
Charger auto-power-off device of the present invention is to judge with control unit whether charhing unit reaches the charging saturation value.When charhing unit reached the charging saturation value, control unit driving shell fragment moved to battery from the battery charge position and ejects the position, the charging contacts of a rechargeable battery and charhing unit is separated, to reach the effect of outage.So such charger auto-power-off device can be avoided expending of power supply, and make be able to promote the useful life of battery.
Describe the present invention below in conjunction with accompanying drawing and specific embodiment, but not as to qualification of the present invention.
Description of drawings
Shown in Figure 1ly be charger auto-power-off device sketch map according to an embodiment of the invention;
Fig. 2 A is depicted as the shell fragment of charger auto-power-off device according to an embodiment of the invention in the structural representation of charge position;
Fig. 2 B is depicted as the shell fragment of charger auto-power-off device according to an embodiment of the invention in the structural representation that ejects the position;
Shown in Figure 3 is the brake operation principles figure of charger auto-power-off device according to an embodiment of the invention.
Wherein, Reference numeral
10 charger auto-power-off devices
20 chargers
100 housings
110 battery insertion grooves
112 walls
120 brakes
130 shell fragments
140 button hooks
150 pivots
160 elastic components
170 ejecting units
171 cams
172 springs
173 motors
174 passages
200 charhing units
210 charging contacts
300 control units
400 plugs
500 batteries
Embodiment
Below in conjunction with accompanying drawing structural principle of the present invention and operation principle are done concrete description:
Please with reference to Fig. 1, Fig. 2 A and Fig. 2 B; Shown in Figure 1ly be charger auto-power-off device sketch map according to an embodiment of the invention; Fig. 2 A is the structural representation of the shell fragment of charger auto-power-off device according to an embodiment of the invention in charge position, Fig. 2 B for the shell fragment of charger auto-power-off device according to an embodiment of the invention in the structural representation that ejects the position.
The charger auto-power-off device 10 of present embodiment is to make charger 20 when battery 500 is charged, can be behind battery 500 full charging, and automatically battery 500 is upspring and reach the effect of outage.Below will carry out detailed explanation to the structure of charger auto-power-off device 10.
Please continue with reference to Fig. 2 A and Fig. 2 B, the charger auto-power-off device 10 of present embodiment comprises a housing 100, a charhing unit 200, an ejecting unit 170 and a control unit 300.Housing 100 has a battery insertion groove 110, and battery insertion groove 110 supplies a battery 500 to insert to charge.Charhing unit 200 is arranged in the housing 100, and charhing unit 200 can an external plug 400.Charhing unit 200 has a charging contacts 210, and charging contacts 210 is positioned at battery insertion groove 110.And in the time of in battery 500 is inserted battery insertion groove 110, charging contacts 210 electrically connects with battery 500, and charging contacts 210 obtains power supply through plug 400, so that battery 500 is charged.
The ejecting unit 170 of present embodiment comprises the body of rod that a shell fragment 130, one shell fragments 130 can be an English alphabet " L " shape, but not as limit, such as the external form of shell fragment 130 also can be one " one " the font body of rod.Ejecting unit 170 also can comprise a brake 120, a pivot 150 and an elastic component 160.Shell fragment 130 is hubbed at housing 100 through pivot 150, and is positioned at battery insertion groove 110.This illustrated pivot 150 is the bending places that are positioned at " L " shape body of rod of shell fragment 130, but not as limit.In according to other embodiment of the present invention, pivot 150 for example also can be positioned at the non-bending place of " L " shape body of rod.Shell fragment 130 is hubbed in the battery insertion groove 110, and shell fragment 130 has a battery charge position A (shown in Fig. 2 A) and a battery ejects position B (shown in Fig. 2 B).In addition, an end of shell fragment 130 has a button hook 140, and the other end of shell fragment 130 connects elastic component 160.Elastic component 160 1 ends connect shell fragment 130, and its other end is fixed in the battery insertion groove 110, and elastic component 160 provides a thrust normally on shell fragment 130.Wherein, elastic component 160 can be general common spring or reed.
The Fig. 3 one that please arranges in pairs or groups simultaneously advances reference, and shown in Figure 3 is the brake operation principles figure of charger auto-power-off device according to an embodiment of the invention.Brake 120 is arranged in the passage 174 of housing 100, and brake 120 also can move and stretches out or retraction wall 112 along passage 174.Ejecting unit 170 also can comprise a spring 172, a cam 171 and a motor 173.Spring 172 is arranged in the passage 174, and provides a pulling force in brake 120 with growing attitude.Cam 171 is against an end of brake 120, and motor 173 drives cam 171 rotations with interlock brake 120 lateral displacement in passage 174.When shell fragment 130 was positioned at battery charge position A, brake 120 was to stretch out wall 112.And an end of shell fragment 130 is compression elastic pieces 160, and 140 of the button hooks of the other end of shell fragment 130 are snapped in brake 120, makes shell fragment 130 be in static balancing state.When brake 120 retraction walls 112, the button hook 140 of shell fragment 130 loses leaning of brake 120, makes the internal stress of compressed elastic component 160 discharge.Elastic component 160 is executed a thrust because of internal stress discharges to shell fragment 130, and shell fragment 130 receives this thrust and swing offset to battery ejects position B.In addition, control unit 300 is arranged on the housing 100, and control unit 300 electrically connects the motor 173 of charhing unit 200 and ejecting unit 170 respectively.
Be noted that the illustrative view of brake 120 shown in Figure 3 only provides control unit 300 to drive that brakes 120 stretch out or wherein means of retraction wall 112, but non-in order to limit the present invention.As long as can make control unit 300 drive that brakes 120 stretch out or the means of retraction wall 112, all applicable to present embodiment.
When user's desire is charged battery 500, be about to battery 500 and insert in the battery insertion groove 110.At this moment, battery 500 is that shell fragment 130 is pressure bonded to battery charge position A, and contacts with charging contacts 210 simultaneously and electrically connect, charging contacts 210 through power supply supply power to battery 500 to charge.Whether control unit 300 detects charhing unit 200 with battery 500 full chargings.Reached charging during saturation value (battery 500 is full charging) when control unit 300 detects charhing unit 200, control unit 300 CD- ROM drive motors 173 and 171 rotations of interlock cam are to drive brake 120 retraction walls 112.At this moment, the button hook 140 of shell fragment 130 loses leaning of brake 120, makes the internal stress of compressed elastic component 160 discharge.Elastic component 160 imposes thrust because of internal stress discharges to shell fragment 130, and shell fragment 130 receives this thrust and swing offset to battery ejects position B, and simultaneously with battery 500 jack-up.Therefore battery 500 also separates with charging contacts 210 owing to by shell fragment 130 jack-up, and can't continue charging.Thus, can make charger 20 reach the effect of automatic outage.
According to the above-mentioned charger auto-power-off device that discloses, be to judge with control unit whether charhing unit reaches the charging saturation value.When charhing unit reached the charging saturation value, control unit driving shell fragment moved to battery from the battery charge position and ejects the position, the charging contacts of battery and charhing unit is separated, to reach the effect of outage.So such charger auto-power-off device can be avoided expending of power supply, and make be able to promote the useful life of battery.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (3)
1. a charger auto-power-off device is characterized in that, comprises:
One housing has a battery insertion groove;
One charhing unit is arranged in this housing, and this charhing unit has a charging contacts, and this charging contacts is positioned at this battery insertion groove;
One ejecting unit comprises a shell fragment, and this shell fragment is hubbed at this housing, and is positioned at this battery insertion groove, and this shell fragment has a battery charge position and a battery ejects the position; And
One control unit; Be arranged at this housing; This control unit electrically connects this charhing unit and this ejecting unit; This control unit detects this charhing unit and whether reaches a charging saturation value, and when this charhing unit reached this charging saturation value, this shell fragment of this this ejecting unit of control unit driving moved to this battery from this battery charge position and ejects the position.
2. charger auto-power-off device according to claim 1 is characterized in that, this ejecting unit also comprises:
One brake, this brake are arranged in this battery insertion groove, and this battery insertion groove has a wall, and this control unit drives this brake and stretches out or this wall of retraction, and an end of this shell fragment has a button hook, and this button hook is to should brake; And
One elastic component connects the other end of this housing and this shell fragment, and this elastic component provides this shell fragment one thrust;
Wherein, when this shell fragment during in this battery charge position, this this elastic component of shell fragment compression; This brake stretches out this wall and is resisted against this button hook; Make this shell fragment in this battery charge position, when this this wall of brake retraction, this elastic component raises this shell fragment to this battery and ejects the position.
3. charger auto-power-off device according to claim 1 is characterized in that this ejecting unit also comprises a pivot, and this shell fragment is hubbed at this housing through this pivot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105579686A CN102480139A (en) | 2010-11-19 | 2010-11-19 | Automatic power-off device for charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105579686A CN102480139A (en) | 2010-11-19 | 2010-11-19 | Automatic power-off device for charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102480139A true CN102480139A (en) | 2012-05-30 |
Family
ID=46092670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105579686A Pending CN102480139A (en) | 2010-11-19 | 2010-11-19 | Automatic power-off device for charger |
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| Country | Link |
|---|---|
| CN (1) | CN102480139A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221803A (en) * | 2017-05-26 | 2017-09-29 | 努比亚技术有限公司 | Terminal USB interface, disconnection method, terminal and computer-readable recording medium |
| CN107453418A (en) * | 2017-06-23 | 2017-12-08 | 深圳天珑无线科技有限公司 | The device and its mobile terminal of the charging connector of automatic spring charging device |
| CN111030252A (en) * | 2019-12-31 | 2020-04-17 | 深圳市飞狮电池有限公司 | Energy-saving charging device for rechargeable battery and charging method thereof |
-
2010
- 2010-11-19 CN CN2010105579686A patent/CN102480139A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221803A (en) * | 2017-05-26 | 2017-09-29 | 努比亚技术有限公司 | Terminal USB interface, disconnection method, terminal and computer-readable recording medium |
| CN107453418A (en) * | 2017-06-23 | 2017-12-08 | 深圳天珑无线科技有限公司 | The device and its mobile terminal of the charging connector of automatic spring charging device |
| CN111030252A (en) * | 2019-12-31 | 2020-04-17 | 深圳市飞狮电池有限公司 | Energy-saving charging device for rechargeable battery and charging method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120530 |