CN112821491B - High cell-phone charger of security - Google Patents
High cell-phone charger of security Download PDFInfo
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- CN112821491B CN112821491B CN202110042356.1A CN202110042356A CN112821491B CN 112821491 B CN112821491 B CN 112821491B CN 202110042356 A CN202110042356 A CN 202110042356A CN 112821491 B CN112821491 B CN 112821491B
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- charger
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- electromagnet
- magnetic
- mobile phone
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- 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
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
Abstract
The invention discloses a high-safety mobile phone charger which comprises a hollow charger shell, wherein an installation block is glued on the inner side wall of the charger shell, a sliding plate is sleeved on the inner side wall of the charger shell in a sliding mode, a plurality of connecting springs are fixedly connected between the sliding plate and the installation block, a data line connector is arranged in the charger shell, a circuit board is glued on the upper surface of the installation block, the sliding plate is fixedly connected with two insertion pieces in a penetrating mode, the insertion pieces are connected with the side wall of the charger shell in a penetrating mode in a sliding mode and extend to the outside of the charger shell, two power connection blocks are sleeved on the bottom wall of the installation block in a sliding mode, an automatic power-off device is arranged in the installation block, and a fixing device is arranged in the sliding plate. Has the advantages that: the mobile phone charger can automatically disconnect the internal circuit when the mobile phone charger is plugged into a socket and the mobile phone is not charged, so that the aging of internal components caused by long-time power connection is avoided, electric energy is saved, meanwhile, the components are prevented from aging to generate fire, and the mobile phone charger has higher safety.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a mobile phone charger with high safety.
Background
With the continuous development of science and technology, mobile devices are gradually developed, a mobile phone is the most common one of the mobile devices, with the popularization of smart phones, the mobile phone is full of our lives, no matter entertainment, office work, payment and the like, the smart phone cannot be separated, a lithium battery is arranged in the mobile phone to supply power to the mobile phone, and when the battery is low in electric quantity, a charger is required to be used for charging the mobile phone.
In the prior art, the existing mobile phone charger does not have an automatic power-off function, and people often cannot pull out the charger for the convenience of use when using the charger, the charger is inserted into a plug, a circuit board is still in a working state, the waste of electric energy is caused, meanwhile, the aging of electronic components is accelerated, the fire hazard can be caused for a long time, the safety is poor, and therefore the mobile phone charger with high safety is provided.
Disclosure of Invention
The invention aims to solve the problem that a charger in the prior art is poor in safety, and provides a mobile phone charger with high safety.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a high cell-phone charger of security, includes hollow charger shell, charger shell inside wall veneer has the installation piece, the sliding plate has been cup jointed in the slip of charger shell inside wall, a plurality of coupling springs of fixedly connected with between sliding plate and the installation piece, be provided with the data line joint in the charger shell, the gluey circuit board that has of installation piece upper surface, two inserted sheets of sliding plate through fixedly connected with, the inserted sheet runs through sliding connection and extends to its outside with charger shell lateral wall, two electricity connection pieces have been cup jointed in the slip of installation piece diapire, be provided with automatic power off device in the installation piece, be provided with fixing device in the sliding plate.
In foretell high cell-phone charger of security, the auto-power-off device is including seting up the function chamber in the installation piece, the slip of function intracavity has cup jointed first electro-magnet, fixedly connected with function spring between first electro-magnet and the function intracavity lateral wall, first electro-magnet, connect electric piece, circuit board to pass through the wire electricity and connect, be provided with overheat protection mechanism in the installation piece.
In foretell high cell-phone charger of security, overheat protection mechanism is including seting up the installation cavity in the installation piece, sliding sleeve has the second electro-magnet in the installation cavity, fixedly connected with memory metal between second electro-magnet and the installation cavity inside wall, second electro-magnet, circuit board, data line connect and pass through the wire electricity and connect.
In the mobile phone charger with high safety, the fixing device comprises a fixing hole formed in the sliding plate, a fixing block is rotatably connected in the fixing hole through a pin shaft, a torsion spring is arranged at the rotating joint of the fixing block and the sliding plate, the bottom wall of the mounting block is slidably connected with a magnetic block through a sliding groove, a fixing spring is fixedly connected between the magnetic block and the inner side wall of the sliding groove, and a hook is glued on the lower surface of the magnetic block.
In the mobile phone charger with high safety, the installation block is in sliding sleeve joint with the electricity connection block through the electricity connection groove, and a plurality of reset springs are fixedly connected between the electricity connection block and the inner top wall of the electricity connection groove.
In the mobile phone charger with high safety, the stiffness coefficient of the functional spring should be smaller than that of the fixed spring.
Compared with the prior art, the invention has the advantages that:
1. when the charger is connected to a mobile phone for normal charging, the first electromagnet and the second electromagnet are electrified simultaneously to generate magnetic attraction on the magnetic block, the magnetic attraction of the first electromagnet and the second electromagnet is mutually counteracted, the magnetic block does not move at the moment, the charger is normally used, when the mobile phone is pulled out, no current passes through the second electromagnet at the moment, the magnetic attraction of the second electromagnet on the magnetic block disappears, the first electromagnet is kept in an electrified state at the moment, the magnetic attraction is generated on the magnetic block, the magnetic block moves towards the first electromagnet, the hook is separated from the fixed block, the sliding plate slides downwards under the elastic force of the connecting spring to disconnect a charger circuit, and when the mobile phone does not need to be charged, the charger is kept in a connected state all the time, so that the aging of internal components is avoided, and a fire hazard is caused by long-term use;
2. because the stiffness coefficient of the functional spring is smaller than the stiffness coefficient of the fixed spring, when the charger is pulled out of the mobile phone, the second electromagnet is powered off, the magnetic attraction force of the first electromagnet cannot enable the magnetic block to move immediately, but the first electromagnet firstly compresses the functional spring to enable the first electromagnet to gradually approach the magnetic block, the magnetic attraction force of the first electromagnet to the magnetic block is gradually increased, and the magnetic block can move when the magnetic block is increased to a certain degree;
3. when the charger is used, the temperature in the charger is continuously increased due to aging of components or overheating of other conditions, when the critical temperature of the memory metal is reached, the memory metal deforms and contracts, so that the second electromagnet is far away from the magnetic block, the magnetic attraction of the second electromagnet is reduced, the balance is broken, at the moment, the magnetic block slides towards the first electromagnet under the action of the magnetic attraction of the first electromagnet, the hook is separated from the fixed block, the sliding plate slides downwards under the elastic force of the connecting spring, a circuit of the charger is disconnected, and fire caused by overheating of the charger is avoided, so that the charging of the charger has higher safety.
Drawings
Fig. 1 is a schematic structural diagram of a mobile phone charger with high security according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is an enlarged view A of FIG. 1;
fig. 4 is a schematic structural diagram of a mobile phone charger with high security in a power-off state according to the present invention.
In the figure: the charger comprises a charger shell 1, a mounting block 2, a sliding plate 3, a connecting spring 4, an inserting sheet 5, a circuit board 6, a data line connector 7, an electricity connecting groove 8, an electricity connecting block 9, a return spring 10, a sliding groove 11, a magnetic block 12, a fixing spring 13, a functional cavity 14, a first electromagnet 15, a functional spring 16, a mounting cavity 17, a second electromagnet 18, a memory metal 19, a hook 20, a fixing hole 21 and a fixing block 22.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-4, a high cell-phone charger of security, including hollow charger shell 1, charger shell 1 inside wall veneer has installation piece 2, charger shell 1 inside wall slides and has cup jointed sliding plate 3, a plurality of coupling spring 4 of fixedly connected with between sliding plate 3 and the installation piece 2, be provided with data line joint 7 in the charger shell 1, the surface veneer has circuit board 6 on the installation piece 2, sliding plate 3 runs through two inserted sheets 5 of fixedly connected with, inserted sheet 5 runs through sliding connection and extends to its outside with charger shell 1 lateral wall, two electricity connection pieces 9 have been cup jointed in 2 diapire slides of installation piece, be provided with the auto-power-off device in the installation piece 2, be provided with fixing device in the sliding plate 3.
The automatic power-off device comprises a function cavity 14 arranged in the mounting block 2, a first electromagnet 15 is sleeved in the function cavity 14 in a sliding mode, a function spring 16 is fixedly connected between the first electromagnet 15 and the inner side wall of the function cavity 14, the first electromagnet 15 is connected with the electric block 9, the circuit board 6 is electrically connected through a wire, the first electromagnet 15 is connected with the electric block 9, the circuit board 6 is connected in series through a wire, when the charger is inserted into the socket, the first electromagnet 15 is electrified simultaneously to generate magnetic force, and an overheat protection mechanism is arranged in the mounting block 2.
The overheat protection mechanism comprises an installation cavity 17 arranged in the installation block 2, a second electromagnet 18 is sleeved in the installation cavity 17 in a sliding mode, a memory metal 19 is fixedly connected between the second electromagnet 18 and the inner side wall of the installation cavity 17, the memory metal 19 can contract and deform when the temperature reaches a critical temperature, the second electromagnet 18, the circuit board 6 and the data line connector 7 are electrically connected through a conducting wire, the second electromagnet 18, the circuit board 6 and the data line connector 7 are connected in series through conducting wires, when the data line is inserted into the data line connector 7 and is connected with a mobile phone for charging, and a complete loop is generated, the second electromagnet 18 is electrified along with the conducting wire, when the data line is not connected with the mobile phone, no current passes through the second electromagnet 18, magnetism is not generated, the second electromagnet 18 is opposite to the winding direction of the first electromagnet 15, attractive force can be generated on the magnetic block 12, and in the initial position, the magnetic field intensities of the first electromagnet 15 and the second electromagnet 18 in the initial position of the magnetic block 12 are consistent and offset each other.
The fixing device comprises a fixing hole 21 arranged in the sliding plate 3, a fixing block 22 is rotatably connected in the fixing hole 21 through a pin shaft, a torsion spring is arranged at the rotating connection position of the fixing block 22 and the sliding plate 3, the bottom wall of the mounting block 2 is slidably connected with a magnetic block 12 through a sliding groove 11, a fixing spring 13 is fixedly connected between the magnetic block 12 and the inner side wall of the sliding groove 11, a hook 20 is glued on the lower surface of the magnetic block 12, as shown in fig. 3, the cross section of the fixing hole 3 is step-shaped, the rotation of the fixing block 22 is limited, the cross section of the hook 20 is L-shaped, when the hook 20 is in contact with the fixing block 22, the fixing block 22 cannot rotate anticlockwise, the hook 20 fixes the sliding plate 3, when the charger is inserted, the sliding plate 3 moves upwards, the hook 20 can drive the fixing block 22 to rotate clockwise, then the fixing block 22 resets under the elasticity of the torsion spring, and the hook 20 fixes the position of the sliding plate 3.
The installation block 2 is in sliding sleeve joint with the electricity connection block 9 through the electricity connection groove 8, and a plurality of reset springs 10 are fixedly connected between the electricity connection block 9 and the inner top wall of the electricity connection groove 8. The stiffness coefficient of the functional spring 16 is smaller than that of the fixed spring 13, because the stiffness coefficient of the functional spring 16 is smaller than that of the fixed spring 13, when the charger is pulled out of the mobile phone, the second electromagnet 18 is powered off, the magnetic attraction of the first electromagnet 15 can not enable the magnetic block 12 to move immediately, but the second electromagnet 15 firstly compresses the functional spring 16, the second electromagnet 15 gradually approaches the magnetic block 12, the magnetic attraction gradually increases, the magnetic block 12 can move when the magnetic block increases to a certain degree, in the time period, when the mobile phone is connected back to the charger, the second electromagnet 18 is powered on to generate magnetic force balance, the first electromagnet 15 can reset under the action of the spring, the situation that the charger is directly powered off when the charger is required to be pulled out temporarily is avoided, and the use convenience of the charger is greatly improved.
In the invention, when the charger is used, the charger is inserted into a socket, the inserting piece 5 drives the sliding plate 3 to move upwards, the hook 20 drives the fixing block 22 to rotate clockwise, then the fixing block 22 is reset under the elasticity of a torsion spring, the hook 20 fixes the position of the sliding plate 3, the inserting piece 5 is in contact with the electricity receiving block 9 at the moment, the circuit board 6 is electrified, then the data line is connected with a mobile phone to charge, the first electromagnet 15 and the second electromagnet 18 are in an electrified state at the moment, the generated magnetic forces are mutually counteracted, and the magnetic plate 12 does not move;
when the mobile phone is pulled out, the circuit board 6, the second electromagnet 18 and the data line connector 7 are not communicated with the mobile phone to generate a complete loop if the mobile phone is pulled out for a short time, the second electromagnet 18 is powered off, the magnetic attraction to the magnetic plate 12 disappears, the first electromagnet 15 is still in a powered state, under the action of the magnetic attraction to the magnetic plate 12 of the first electromagnet 15, the stiffness coefficient of the functional spring 16 is smaller than the stiffness coefficient of the fixed spring 13, the magnetic attraction enables the first electromagnet 15 to compress the functional spring 16 and continuously approach the magnetic plate 12, along with the continuous reduction of the distance, the magnetic force of the first electromagnet 15 to the magnetic plate 12 is continuously increased, in the period, the mobile phone is connected back to the charger again, the second electromagnet 18 is powered on again to generate magnetism, the magnetism is counteracted with the magnetism generated by the first electromagnet 15, the first electromagnet 15 is reset under the action of the elasticity of the functional spring 16, the charger is continuously used, namely, when the mobile phone is pulled out, the charger is not disconnected immediately;
when the charger is inserted into the socket all the time and the mobile phone is not charged, at the moment, along with the fact that the magnetic force of the first electromagnet 15 on the magnetic plate 12 is continuously increased, when the magnetic force is increased to a certain degree, the magnetic block 12 compresses the fixing spring 13 to move, the hook 20 is driven to move together, the hook 20 and the fixing block 22 are made to fall off, at the moment, the sliding plate 3 slides downwards relative to the charger shell 1 under the elastic force action of the connecting spring 4, the inserting piece 5 is separated from the power connection block 9, the circuit of the charger is disconnected, the situation that current still passes through the charger when the charger is not charged is avoided, and when the charger needs to be used again, the charger only needs to be pulled out and inserted into the socket again;
when the charger is used, the temperature in the charger is continuously increased due to aging of components or overheating of other conditions, when the critical temperature of the memory metal 19 is reached, the memory metal 19 is deformed and contracted, so that the second electromagnet 18 is far away from the magnetic block 12, the magnetic attraction force on the second electromagnet is reduced, the balance is broken, at the moment, the magnetic block 12 slides towards the first electromagnet 15 under the action of the magnetic attraction force of the first electromagnet 15, the hook 20 is separated from the fixed block 22, the sliding plate 3 slides downwards relative to the charger shell 1 under the elastic force of the connecting spring 4, a charger circuit is disconnected, and fire caused by overheating of the charger is avoided.
Although terms such as the charger case 1, the mounting block 2, the sliding plate 3, the connection spring 4, the insertion piece 5, the circuit board 6, the data line connector 7, the power receiving slot 8, the power receiving block 9, the return spring 10, the sliding slot 11, the magnetic block 12, the fixing spring 13, the function chamber 14, the first electromagnet 15, the function spring 16, the mounting chamber 17, the second electromagnet 18, the memory metal 19, the hook 20, the fixing hole 21, and the fixing block 22 are used more frequently, it is not excluded that other terms are used. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to the spirit of the present invention.
Claims (2)
1. A mobile phone charger with high safety comprises a hollow charger shell (1), and is characterized in that a mounting block (2) is glued on the inner side wall of the charger shell (1), a sliding plate (3) is sleeved on the inner side wall of the charger shell (1) in a sliding manner, a plurality of connecting springs (4) are fixedly connected between the sliding plate (3) and the mounting block (2), a data line connector (7) is arranged in the charger shell (1), a circuit board (6) is glued on the upper surface of the mounting block (2), the sliding plate (3) is fixedly connected with two inserting pieces (5) in a penetrating manner, the inserting pieces (5) and the side wall of the charger shell (1) are connected in a penetrating manner in a sliding manner and extend to the outside of the charger shell, two power connection blocks (9) are sleeved on the bottom wall of the mounting block (2) in a sliding manner, an automatic power-off device is arranged in the mounting block (2), a fixing device is arranged in the sliding manner and comprises a functional cavity (14) arranged in the mounting block (2), a first sleeved electromagnet (15) in the functional cavity (14), a first fixing functional cavity (15) and a first overheat protection mechanism (6) and a wire (6) are electrically connected in the electromagnet protection mechanism, the overheat protection mechanism comprises an installation cavity (17) arranged in the installation block (2), a second electromagnet (18) is sleeved in the installation cavity (17) in a sliding mode, a memory metal (19) is fixedly connected between the second electromagnet (18) and the inner side wall of the installation cavity (17), the second electromagnet (18), the circuit board (6) and the data line connector (7) are electrically connected through a lead, the fixing device comprises a fixing hole (21) arranged in the sliding plate (3), a fixing block (22) is rotatably connected in the fixing hole (21) through a pin shaft, a torsion spring is arranged at the rotating connection position of the fixing block (22) and the sliding plate (3), a magnetic block (12) is slidably connected to the bottom wall of the installation block (2) through a sliding groove (11), a fixed spring (13) is fixedly connected between the magnetic block (12) and the inner side wall of the sliding groove (11), a hook (20) is glued on the lower surface of the magnetic block (12), the stiffness coefficient of the functional spring (16) is smaller than that of the fixed spring (13), when a charger is connected into a mobile phone for normal charging, the first electromagnet and the second electromagnet are electrified simultaneously to generate magnetic attraction to the magnetic block, the magnetic attraction of the first electromagnet and the magnetic attraction of the second electromagnet are mutually offset, at the moment, the magnetic block does not move, the charger is normally used, when the mobile phone is pulled out, at the moment, no current passes through the second electromagnet, the magnetic attraction to the magnetic block disappears, at the moment, the first electromagnet is kept in a power-on state, magnetic attraction is generated on the magnetic block, the magnetic block moves towards the first electromagnet, the hook is separated from the fixed block, the sliding plate slides downwards under the elastic force of the connecting spring, and a charger circuit is disconnected; because the coefficient of stiffness of function spring is less than the coefficient of stiffness of fixed spring, when the charger was extracted to the cell-phone, the outage of second electro-magnet, the magnetic attraction of first electro-magnet can not make the magnetic block take place to remove at once, but make first electro-magnet compress the function spring earlier, make first electro-magnet be close to the magnetic block gradually, to its magnetic attraction crescent, when increasing to a certain extent, the magnetic block just can take place to remove, in this time quantum, when connecing the cell-phone back to the charger, the second electro-magnet circular telegram produces magnetic force balance, first electro-magnet can reset under the spring action again, avoid when the charger is extracted to the needs for a short time, the condition of charger direct outage.
2. The mobile phone charger with high safety according to claim 1, wherein the mounting block (2) is slidably sleeved with the power receiving block (9) through a power receiving slot (8), and a plurality of return springs (10) are fixedly connected between the power receiving block (9) and the inner top wall of the power receiving slot (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110042356.1A CN112821491B (en) | 2021-01-13 | 2021-01-13 | High cell-phone charger of security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110042356.1A CN112821491B (en) | 2021-01-13 | 2021-01-13 | High cell-phone charger of security |
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| Publication Number | Publication Date |
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| CN112821491A CN112821491A (en) | 2021-05-18 |
| CN112821491B true CN112821491B (en) | 2023-04-14 |
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| CN202110042356.1A Active CN112821491B (en) | 2021-01-13 | 2021-01-13 | High cell-phone charger of security |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114583806B (en) * | 2022-05-07 | 2022-07-15 | 深圳市章鸿科技有限公司 | Charger for intelligent bracelet |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102163865B (en) * | 2011-04-19 | 2013-04-17 | 中国科学院长春光学精密机械与物理研究所 | Charger with automatic power-off function |
| KR20140000835A (en) * | 2012-06-26 | 2014-01-06 | (주)대한특수금속 | Non-insertion type charging plug for an electromobile and charging port non-insertion connecting thereof |
| CN104377492B (en) * | 2014-11-25 | 2015-12-02 | 杭州日月电器股份有限公司 | A kind of Mobile phone plug device for mobile phone |
| JP6720982B2 (en) * | 2015-11-27 | 2020-07-08 | ソニー株式会社 | Connector, electric vehicle and power supply system |
| CN208904331U (en) * | 2018-08-29 | 2019-05-24 | 歌尔科技有限公司 | A kind of charging plug |
| US10944226B2 (en) * | 2019-01-23 | 2021-03-09 | Dell Products L.P. | Connector system for charging a device using a charging receptacle |
| CN210404231U (en) * | 2019-07-29 | 2020-04-24 | 浙江工商大学 | Automatic power-off plug |
| CN111224257B (en) * | 2020-01-13 | 2021-05-04 | 佛山市顺德区骏邦电器实业有限公司 | Electric shock prevention plug |
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Effective date of registration: 20230328 Address after: Unit 16abcdefgh, block C, Central Avenue, intersection of Xixiang Avenue and Baoyuan Road, labor community, Xixiang street, Bao'an District, Shenzhen City, Guangdong Province Applicant after: CHINA ETECH TECHNOLOGY CO.,LTD. Address before: Room 833, block C, Hebang building, 899 Tiantong North Road, Zhonghe street, Yinzhou District, Ningbo City, Zhejiang Province, 315100 Applicant before: Ningbo Chunlu Information Technology Co.,Ltd. |
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