CN204012840U - mobile phone charging protector - Google Patents
mobile phone charging protector Download PDFInfo
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- CN204012840U CN204012840U CN201420420202.7U CN201420420202U CN204012840U CN 204012840 U CN204012840 U CN 204012840U CN 201420420202 U CN201420420202 U CN 201420420202U CN 204012840 U CN204012840 U CN 204012840U
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Abstract
The utility model relates to a kind of charge protection device, be specifically related to a kind of mobile phone charging protector, mobile phone charging protector, comprise housing, housing two ends arrange respectively male mouthful of module of A type USB and female mouthful of module of A type USB, the public mouthful die housing inside of A type USB arranges and disconnects protection module and charging display module, disconnect protection module and comprise limit switch, sheet metal and electromagnet, limit switch button is arranged on housing, charging display module comprises current detection circuit and status display circuit, status display circuit arranges three status indicator lamps, three status indicator lamps are arranged on housing.The utility model is used simple, safe ready, current detection circuit by charged state display module and condition indication circuit judge and indicate current phone charged state, and after completing, charging thoroughly cuts off charge circuit, after avoiding mobile phone to charge, repeatedly enter charged state, extending cell phone battery, eliminates safe hidden trouble.
Description
Technical field
The utility model relates to a kind of charge protection device, is specifically related to a kind of mobile phone charging protector.
Background technology
Work is along with intelligent mobile phone is universal, and the power consumption of mobile phone is also increasing, and our charge frequency of mobile phone is also more and more higher.The charging process of regular handset is divided into three phases: the quick charge stage, with current constant mode, battery is charged to rapidly to 80%, and electric current is approximately 500mA; In the trickle charge stage, reduce charging current gradually, and battery electric quantity is charged to 100%, and electric current is approximately 100mA; The trickle charge stage, with Weak current, battery capacity is further improved, electric current is approximately 50mA.But when battery of mobile phone is full of, user is deenergization in time often, although the moment of having charged, charger meeting auto-breaking, the consuming cells accumulate that battery still can be a small amount of in standby process, after cell-phone battery electric-charge quantity is less than 100%, charger can make battery repeatedly enter charged state again for battery charging, has had a strong impact on the life-span of battery, even sometimes, battery can be blasted, and has great potential safety hazard.
Utility model content
For overcoming the deficiency in above-mentioned technology; the purpose of this utility model is: a kind of mobile phone charging protector is provided; can automatically show the current charged state of battery of mobile phone; and after completing, charging thoroughly cuts off charge circuit; after avoiding mobile phone to charge, repeatedly enter charged state; extending cell phone battery, eliminates safe hidden trouble.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
Described mobile phone charging protector, comprise housing, also comprise and disconnect protection module and charging display module, housing two ends arrange respectively male mouthful of module of A type USB and female mouthful of module of A type USB, the public mouthful module of A type USB is provided with anodal pin I and negative pole pin I, female mouthful of module of A type USB is provided with anodal pin II and negative pole pin II, disconnect protection module and comprise limit switch, sheet metal and electromagnet, limit switch button is arranged on housing, sheet metal is fixed on limit switch fixed contact below, be oppositely arranged with electromagnet core, electromagnetic actuation coil one end is connected in series anodal pin I, charging display module comprises current detection circuit and condition indication circuit, the pull-in winding other end is connected in series anodal pin II and negative pole pin II successively by current detection circuit, the negative pole pin II serial connection limit switch fixed contact other end, anodal pin II and negative pole pin II are connected in series condition indication circuit simultaneously, condition indication circuit is provided with three status indicator lamps, status indicator lamp is arranged on housing.
The public mouthful module of the utility model Plays A type USB is connected with charger for mobile phone plug, female mouthful of module of A type USB is connected with the USB socket of charger for mobile phone charging wire one end, the charging wire other end is connected with mobile phone charging socket, after energising, before pressing the limit switch button that disconnects protection module, limit switch spring is in former length, moving, fixed contact is separated, in whole circuit, there is no electric current, after pressing the button of lower position switch, limit switch spring is compressed, connecting rod drives moving contact and sheet metal to move downward, moving, fixed contact is connected, charger starts as mobile phone charging.During charging, electromagnet adsorbing metal sheet, moving contact is kept and the contacting of fixed contact, guarantee that circuit is in on-state, now current detection circuit can judge the now size of charging current, and the numerical value of electric current is converted to corresponding mobile phone charged state, by condition indication circuit, by corresponding status indicator lamp, indicate current charged state; While having charged, current vanishes in circuit, electromagnet magnetic disappears, and sheet metal loses the attraction of electromagnet, limit switch spring is replied former length, promotion button moves upward, and drives moving contact and sheet metal to move upward simultaneously, and dynamic and static contact is separated, thereby disconnect whole circuit, status indicator lamp all extinguishes, and represents that electric weight is full of, can effectively prevent that mobile phone from overcharging.
Wherein, described current monitoring circuit comprises U-shaped magnet, iron core, coil, rotating shaft, helical spring, contact pilotage, contact and status indicator lamp, U-shaped magnet two interpolars arrange iron core, iron core periphery is wound around square coil, rotating shaft is passed iron core axis and is fixed with coil, rotating shaft one end arranges helical spring, the other end arranges helical spring and contact pilotage, coil two ends are connected in series with the helical spring of its respective side respectively, one of them helical spring is connected with the pull-in winding other end, and another helical spring is connected with anodal pin II; Described charge protector comprises contact pilotage, contact and status indicator lamp; anodal pin II connects with contact pilotage one end; the contact pilotage other end is by three parallel branch series connection negative pole pin II; every branch road arranges a contact and a status indicator lamp; three contacts are separately positioned on same circular arc, and three status indicator lamps are arranged on housing.
When mobile phone is during in quick-charge state, in circuit, electric current is larger, and now coil rotation amplitude is larger, the contact that after contact pilotage turns right, contact is connected in series with quick charge indicator light, and quick charge indicator light, in on-state, is pointed out now in quick-charge state; When mobile phone proceeds to trickle charge state, in circuit, electric current reduces, U-shaped magnet reduces the active force of coil, coil is under helical spring effect, drive rotating shaft and the iron core being attached thereto and contact pilotage to turn left, the contact of contact pilotage contact trickle charge indicator light serial connection, trickle charge indicator light is in on-state, and prompting is now in trickle charge state; When mobile phone proceeds to trickle charge state, in circuit, electric current reduces again, U-shaped magnet reduces again to the active force of coil, coil drives rotating shaft and the iron core being attached thereto and contact pilotage to continue to turn left under helical spring effect, the contact that contact pilotage contact is connected in series with trickle charge indicator light, trickle charge indicator light is in on-state, and prompting is now in trickle charge state; When battery of mobile phone is full of; disconnect protection module and disconnect charging circuit; current vanishes in charged state display module; U-shaped magnet disappears to the active force of coil; coil is under helical spring effect; contact pilotage departs from the contact being connected in series with trickle charge indicator light, gets back to starting point, and trickle charge indicator light extinguishes.
Preferably, described rotating shaft adopts insulating material to make, and rotating shaft conduction can cause interference to current detection circuit, upsets normal circuit flow trend, so rotating shaft adopts insulating material; Described contact adopts circular arc-shaped metal sheet to make, and contact pilotage rotates around the shaft, and track is circular arc, and contact is made as to circular arc, can guarantee the effect that contacts between contact pilotage and contact.
Compared with prior art, the utlity model has following beneficial effect:
The utility model is used simple; safe ready; arrange and disconnect protection module and charged state display module; the three phases of the corresponding mobile phone charging of charged state display module arranges three status indicator lamps; current detection circuit and condition indication circuit by charged state display module judge and indicate current phone charged state, and thoroughly cut off charge circuit after charging completes, and repeatedly enters charged state after avoiding mobile phone to charge; extending cell phone battery, eliminates safe hidden trouble.
Accompanying drawing explanation
Fig. 1 the utility model structured flowchart.
Fig. 2 limit switch and electromagnet location diagram.
Fig. 3 current monitoring circuit structural representation.
In figure: 1, housing; 2, disconnect protection module; 3, charging display module; 4, the public mouthful module of A type USB; 5, female mouthful of module of A type USB; 6, anodal pin I; 7, negative pole pin I; 8, anodal pin II; 9, negative pole pin II; 10, limit switch; 11, sheet metal; 12, electromagnet; 13, button; 14, fixed contact; 15, electromagnet core; 16, pull-in winding; 17, spring; 18, connecting rod; 19, moving contact; 20, status indicator lamp; 21, U-shaped magnet; 22, iron core; 23, coil; 24, rotating shaft; 25, spiral paralysis; 26, contact pilotage; 27, contact; 28, quick charge indicator light; 29, trickle charge indicator light; 30, trickle charge indicator light.
Embodiment
Tying accompanying drawing explanation is below described further the utility model embodiment:
As Figure 1-3, mobile phone charging protector described in the utility model, comprise housing 1, also comprise and disconnect protection module 2 and charging display module 3, housing 1 two ends arrange respectively male mouthful of module 4 of A type USB and female mouthful of module 5 of A type USB, the public mouthful module 4 of A type USB is provided with anodal pin I6 and negative pole pin I7, female mouthful of module 5 of A type USB is provided with anodal pin II8 and negative pole pin II9, disconnect protection module 2 and comprise limit switch 10, sheet metal 11 and electromagnet 12, limit switch button 13 is arranged on housing 1, sheet metal 11 is fixed on limit switch fixed contact 14 belows, be oppositely arranged with electromagnet core 15, electromagnetic actuation coil 16 one end are connected in series anodal pin I6, charging display module 3 comprises current detection circuit and condition indication circuit, pull-in winding 16 other ends are connected in series anodal pin II8 and negative pole pin II9 successively by current detection circuit, negative pole pin II9 serial connection limit switch fixed contact 14 other ends, anodal pin II9 and negative pole pin II8 are connected in series condition indication circuit simultaneously, condition indication circuit is provided with three status indicator lamps 20, status indicator lamp is arranged on housing 1.
The public mouthful module 4 of the utility model Plays A type USB is connected with charger for mobile phone plug, female mouthful of module 5 of A type USB is connected with the USB socket of charger for mobile phone charging wire one end, the charging wire other end is connected with mobile phone charging socket, after energising, before pressing the limit switch button 13 that disconnects protection module 2, limit switch spring 17 is in former length, moving, fixed contact is separated, in whole circuit, there is no electric current, after pressing the button 13 of lower position switch, limit switch spring 17 is compressed, connecting rod 18 drives moving contact 19 and sheet metal 11 to move downward, moving, fixed contact is connected, charger starts as mobile phone charging.During charging, electromagnet adsorbing metal sheet 11, moving contact 19 is kept and the contacting of fixed contact 14, guarantee that circuit is in on-state, now current detection circuit can judge the now size of charging current, and the numerical value of electric current is converted to corresponding mobile phone charged state, by condition indication circuit, by corresponding status indicator lamp 20, indicate current charged state; While having charged, current vanishes in circuit, electromagnet magnetic disappears, sheet metal 11 loses the attraction of electromagnet, and limit switch spring 17 is replied former length, promotes button 13 and moves upward, drive moving contact 19 and sheet metal 11 to move upward, dynamic and static contact is separated, thereby disconnects whole circuit simultaneously.
Wherein, current monitoring circuit comprises U-shaped magnet 21, iron core 22, coil 23, rotating shaft 24, helical spring 25, contact pilotage 26, contact 27 and status indicator lamp, 21 liang of interpolars of U-shaped magnet arrange iron core 22, iron core 22 peripheries are wound around square coil 23, rotating shaft 24 is through iron core 22 axis fixing with coil 23, rotating shaft 24 one end arrange helical spring 25, the other end arranges helical spring 25 and contact pilotage 26, coil 23 two ends are connected in series with the helical spring 25 of its respective side respectively, one of them helical spring 25 is connected with pull-in winding 16 other ends, another helical spring 25 is connected with anodal pin II8, described charge protector comprises contact pilotage 26, contact 27 and status indicator lamp, anodal pin II8 connects with contact pilotage 26 one end, contact pilotage 26 other ends are by three parallel branch series connection negative pole pin II9, every branch road arranges a contact 27 and a status indicator lamp, three contacts 27 are separately positioned on same circular arc, three status indicator lamps are arranged on housing 1, are respectively quick charge indicator light 28, trickle charge indicator light 29 and trickle charge indicator light 30, rotating shaft 24 adopts insulating material to make, and rotating shaft 24 conductions can cause interference to current detection circuit, upsets normal circuit flow trend, so rotating shaft 24 adopts insulating material, described contact 27 adopts circular arc-shaped metal sheets to make, and contact pilotage 26 is 24 rotations around the shaft, and track is circular arc, and contact 27 is made as to circular arc, can guarantee the effect that contacts between contact pilotage and contact.
When mobile phone is during in quick-charge state, in circuit, electric current is larger, and now coil 23 rotation amplitudes are larger, the contact 27 that after contact pilotage 26 turns right, contact is connected in series with quick charge indicator light 28, quick charge indicator light 28 is in on-state, and prompting is now in quick-charge state; When mobile phone proceeds to trickle charge state, in circuit, electric current reduces, the active force of 21 pairs of coils 23 of U-shaped magnet reduces, coil 23 is under the effect of helical spring 25, drive rotating shaft 24 and the iron core 22 being attached thereto and contact pilotage 26 to turn left, the contact 27 of contact pilotage 26 contact trickle charge indicator light 29 serial connections, trickle charge indicator light 29 is in on-state, and prompting is now in trickle charge state; When mobile phone proceeds to trickle charge state, in circuit, electric current reduces again, the active force of 21 pairs of coils 23 of U-shaped magnet reduces again, coil 23 drives rotating shaft 24 under the effect of helical spring 25 and the iron core 22 and the contact pilotage 26 that are attached thereto continue to turn left, the contact 27 that contact pilotage 26 contacts are connected in series with trickle charge indicator light 30, trickle charge indicator light 30 is in on-state, and prompting is now in trickle charge state; When battery of mobile phone is full of; disconnect protection module 2 and disconnect charging circuit; current vanishes in charged state display module 3; the active force of 21 pairs of coils 23 of U-shaped magnet disappears; coil 23 is under the effect of helical spring 25; contact pilotage 26 departs from the contact being connected in series with trickle charge indicator light 30, gets back to starting point, and trickle charge indicator light 30 extinguishes.
Claims (5)
1. a mobile phone charging protector, comprise housing (1), it is characterized in that, also comprise and disconnect protection module (2) and charging display module (3), housing (1) two ends arrange respectively male mouthful of module (4) of A type USB and female mouthful of module (5) of A type USB, public mouthful of module (4) of A type USB is provided with anodal pin I (6) and negative pole pin I (7), female mouthful of module of A type USB (5) is provided with anodal pin II (8) and negative pole pin II (9), disconnect protection module (3) and comprise limit switch (10), sheet metal (11) and electromagnet (12), limit switch (10) button (13) is arranged on housing (1), sheet metal (11) is fixed on limit switch fixed contact (14) below, be oppositely arranged with electromagnet core (15), electromagnetic actuation coil (16) one end is connected in series anodal pin I (6), charging display module (3) comprises current detection circuit and condition indication circuit, pull-in winding (16) other end is connected in series anodal pin II (8) and negative pole pin II (9) successively by current detection circuit, negative pole pin II (9) serial connection limit switch fixed contact (14) other end, anodal pin II (8) and negative pole pin II (9) are connected in series condition indication circuit simultaneously, condition indication circuit is provided with three status indicator lamps (20), status indicator lamp (20) is arranged on housing (1).
2. mobile phone charging protector according to claim 1, it is characterized in that, described current monitoring circuit comprises U-shaped magnet (21), iron core (22), coil (23), rotating shaft (24), helical spring (25), contact pilotage (26), contact (27) and status indicator lamp (20), U-shaped magnet (21) two interpolars arrange iron core (22), iron core (22) periphery is wound around square coil (23), rotating shaft (24) is through iron core (22) axis fixing with coil (23), rotating shaft (24) one end arranges helical spring (25), the other end arranges helical spring (25) and contact pilotage (26), coil (23) two ends are connected in series with the helical spring (25) of its respective side respectively, one of them helical spring (25) is connected with pull-in winding (16) other end, another helical spring (25) is connected with anodal pin II (8).
3. mobile phone charging protector according to claim 2, is characterized in that, described rotating shaft (24) adopts insulating material to make.
4. mobile phone charge protection electrical equipment according to claim 1 and 2; it is characterized in that; described charge protector comprises contact pilotage (26), contact (27) and status indicator lamp (20); anodal pin II (8) connects with contact pilotage (26) one end; contact pilotage (26) other end is by three parallel branch series connection negative pole pin II (8); every branch road arranges a contact (27) and a status indicator lamp (20); three contacts (27) are separately positioned on same circular arc, and three status indicator lamps (20) are arranged on housing (1).
5. mobile phone charging protector according to claim 4, is characterized in that, described contact (27) adopts circular arc-shaped metal sheet to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420420202.7U CN204012840U (en) | 2014-07-28 | 2014-07-28 | mobile phone charging protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420420202.7U CN204012840U (en) | 2014-07-28 | 2014-07-28 | mobile phone charging protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204012840U true CN204012840U (en) | 2014-12-10 |
Family
ID=52052782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420420202.7U Expired - Fee Related CN204012840U (en) | 2014-07-28 | 2014-07-28 | mobile phone charging protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204012840U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958585A (en) * | 2016-06-01 | 2016-09-21 | 肇庆高新区凯盈顺汽车设计有限公司 | Indicator for charging device |
| 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 |
| CN109728616A (en) * | 2017-10-31 | 2019-05-07 | 东莞市汉晖电子有限公司 | A kind of data line with charge prompting function |
| CN110542862A (en) * | 2018-05-28 | 2019-12-06 | 宁德新能源科技有限公司 | Test method, test system and readable storage medium |
| CN111130194A (en) * | 2020-01-09 | 2020-05-08 | 陕西理工大学 | Automatic power-off power adapter |
| CN111799866A (en) * | 2020-07-19 | 2020-10-20 | 宇能电气有限公司 | Charging equipment capable of identifying state of lithium battery in real time and state identification method |
-
2014
- 2014-07-28 CN CN201420420202.7U patent/CN204012840U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958585A (en) * | 2016-06-01 | 2016-09-21 | 肇庆高新区凯盈顺汽车设计有限公司 | Indicator for charging device |
| 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 |
| CN109728616A (en) * | 2017-10-31 | 2019-05-07 | 东莞市汉晖电子有限公司 | A kind of data line with charge prompting function |
| CN110542862A (en) * | 2018-05-28 | 2019-12-06 | 宁德新能源科技有限公司 | Test method, test system and readable storage medium |
| CN110542862B (en) * | 2018-05-28 | 2022-02-18 | 宁德新能源科技有限公司 | Test method, test system and readable storage medium |
| CN111130194A (en) * | 2020-01-09 | 2020-05-08 | 陕西理工大学 | Automatic power-off power adapter |
| CN111799866A (en) * | 2020-07-19 | 2020-10-20 | 宇能电气有限公司 | Charging equipment capable of identifying state of lithium battery in real time and state identification method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20170728 |