CN111049240B - Wireless charger overheat protection device - Google Patents
Wireless charger overheat protection device Download PDFInfo
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- CN111049240B CN111049240B CN202010049775.3A CN202010049775A CN111049240B CN 111049240 B CN111049240 B CN 111049240B CN 202010049775 A CN202010049775 A CN 202010049775A CN 111049240 B CN111049240 B CN 111049240B
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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
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an overheat protection device for a wireless charger, which comprises a machine body, wherein a base is arranged at the bottom of the machine body, a plug is arranged on the lower end surface of the base, the upper end surface of the base is matched with the lower end surface of the machine body, and a connector is arranged on the lower end surface of the machine body and can be contacted with the plug, so that the device can be disconnected from a household circuit in time, the circuit breaking condition is avoided, major accidents are avoided, internal parts of the device can be protected, and the service life is prolonged.
Description
Technical Field
The invention relates to the technical field of circuit protection, in particular to an overheat protection device for a wireless charger.
Background
The wireless charger is a device which utilizes the principle of electromagnetic induction to charge, the principle is similar to that of a transformer, a coil is respectively arranged at a transmitting end and a receiving end, the coil at the transmitting end sends out an electromagnetic signal to the outside under the action of electric power, and the coil at the receiving end receives the electromagnetic signal and converts the electromagnetic signal into current, so that the purpose of wireless charging is achieved. The wireless charging technology is a special power supply mode, does not need a power line, depends on electromagnetic wave propagation, converts electromagnetic wave energy into electric energy, and finally realizes wireless charging.
However, in the actual use process, the charger may be damaged due to overheating, or an internal circuit may be broken due to overheating, which may cause a fire hazard.
Disclosure of Invention
Aiming at the technical defects, the invention provides an overheat protection device of a wireless charger, which can overcome the defects.
The invention relates to an overheating protection device of a wireless charger, which comprises a machine body, wherein the bottom of the machine body is provided with a base, the lower end surface of the base is provided with a plug, the upper end surface of the base is matched with the lower end surface of the machine body, the lower end surface of the machine body is provided with a connector, the connector can be contacted with the plug, the left side and the right side of the lower end surface of the machine body are provided with a left popup cavity and a right popup cavity with downward openings, the upper end wall in the left popup cavity is connected with a left popup spring, the lower end of the left popup spring is connected with a left popup rod, the lower end of the left popup rod is fixedly connected with the upper end surface of the base, the right side of the left popup rod is provided with a left locking cavity with a left opening, the right end wall of the left locking cavity is connected with a left locking spring, the left end of the left, the right side of the left locking cavity is communicated with the main transmission cavity, the right end of the left locking rope is connected to the lower end of a left rack positioned below the left end wall of the main transmission cavity, the upper end wall of the right ejecting cavity is connected with a right ejecting spring, the lower end of the right ejecting spring is connected with a right ejecting rod, the lower end of the right ejecting rod is fixedly connected with the upper end face of the base, the left side of the right ejecting rod is provided with a right locking cavity with an opening facing to the right, the left end wall of the right locking cavity is connected with a right locking spring, the right end of the right locking spring is fixedly provided with a right locking block, the left end of the right locking block is connected with a right locking rope, the right side of the right locking cavity is communicated with the main transmission cavity, the left end of the right locking rope is connected to the lower end of the right rack positioned below the right end wall of the main transmission cavity, the center of the upper end face of the machine body, the utility model discloses a charging device, including the panel that charges, place the board and be located the outside of panel charges, be provided with opening up and annular chamber that rises in the organism, it is fixed with the lifter to place the board lower extreme, the lifter is located the intracavity portion that rises, the lifter lower extreme is fixed with the lifter, the lifter lower extreme is connected with the setting and is in rise the ascending spring on the chamber lower extreme wall, the main drive intracavity is provided with disconnecting means, main drive chamber below is provided with heat dissipation transmission chamber, heat dissipation transmission intracavity is provided with heat abstractor.
Preferably, the disconnecting device comprises an expansion cavity which is arranged above the main transmission cavity and communicated with the main transmission cavity, the upper end of the expansion cavity is provided with a thermal expansion material which is contacted with the charging panel, the lower end of the expansion cavity is provided with a stress spring, the upper end of the stress spring is connected with a stress plate, the lower end of the stress plate is fixed with a main rack, the main rack is meshed with an input gear arranged in the main transmission cavity, the input gear is fixedly arranged on a middle shaft, the middle shaft is rotatably arranged on a middle shaft support fixedly arranged on the rear end wall of the main transmission cavity, the left end of the middle shaft is fixed with a left output bevel gear, the lower end of the left output bevel gear is meshed with a left middle bevel gear, the lower end of the left middle bevel gear is fixed with a left transmission shaft, the lower end of the left transmission shaft is fixed with a left transmission bevel gear, the left transmission shaft is rotatably arranged on a left shaft support, the rear end of the left transmission bevel gear is engaged with a left input bevel gear, the left input bevel gear is fixed at the front end of a left input shaft which is rotatably arranged in the rear end wall of the main transmission cavity, the rear end of the left input bevel gear is provided with a left gear which is fixed on the left input shaft, the left gear is engaged with the left rack, the upper end of the left output bevel gear is engaged with a winding input bevel gear, the upper end of the winding input bevel gear is fixed with a winding shaft which is rotatably arranged on a winding shaft support which is fixed on the rear end wall of the main transmission cavity, the upper end of the winding shaft is fixed with a winding wheel, the winding wheel is respectively provided with a left reset rope and a right reset rope, the left end wall and the right end wall of the main transmission cavity are respectively provided with a left reset cavity and a right reset cavity which are communicated with the ascending cavity, and the right end wall of the left reset cavity is provided with, a left clamping block capable of sliding left and right is fixed at the left end of the left reset spring, a right reset spring is arranged on the left end wall of the right reset cavity, a right clamping block capable of sliding left and right is fixed at the right end of the right return spring, a right output bevel gear is fixed at the right end of the intermediate shaft, the lower end of the right output bevel gear is engaged with a right middle bevel gear, the lower end of the right middle bevel gear is fixed with a right transmission shaft, the right transmission shaft is rotatably mounted on a right transmission shaft support located at the rear end wall of the main transmission chamber, a right transmission bevel gear is fixed at the lower end of the right transmission shaft, the rear end of the right transmission bevel gear is engaged with a right input bevel gear, the right input bevel gear is fixed at the front end of a right input shaft which is rotatably arranged in the rear end wall of the main transmission cavity, the rear end of the right input bevel gear is provided with a right gear fixed on the right input shaft, and the right gear is meshed with the right rack.
Preferably, the heat dissipation device comprises a motor fixedly arranged in the lower end wall of the heat dissipation transmission cavity, the motor is connected with a storage battery in the machine body, a motor spindle is fixed at the upper end of the motor, a first bevel gear is fixed at the upper end of the motor spindle, a left fan output bevel gear is meshed at the rear side of the first bevel gear, a left rotating shaft is fixed at the rear end of the left fan output bevel gear, the rear end of the left rotating shaft is rotatably arranged on the rear end wall in the left sliding block, a left fan input bevel gear fixedly arranged on the left rotating shaft is arranged in the left sliding block, a left fan transmission bevel gear is meshed at the upper end of the left fan input bevel gear, a left fan shaft is fixed at the upper end of the left fan transmission bevel gear, a left fan is fixedly connected at the upper end of the left fan shaft, the left fan is positioned in the heat dissipation cavity, the rear end face of the left sliding block is provided with teeth which can be meshed with the left reversing gear, the left sliding block can slide up and down in the heat dissipation transmission cavity, the left reversing gear is fixedly arranged on a left reversing shaft which is rotationally connected with the front end wall of the heat dissipation transmission cavity, the rear side of the left reversing gear is meshed with a left connecting rod rack, the rear side of the left connecting rod rack is fixedly arranged on a left connecting rod, the upper end of the left connecting rod is fixed on the lower end face of the lifting plate, the front side of the first bevel gear is meshed with a right fan output bevel gear, the front end of the right fan output bevel gear is fixedly provided with a right rotating shaft, the front end of the right rotating shaft is rotationally arranged on the front end wall in the right sliding block, the right fan input bevel gear which is fixedly arranged on the right rotating shaft is arranged in the right sliding block, and the upper end of the right, the fan assembly comprises a right fan transmission bevel gear, a right fan shaft is fixed to the upper end of the right fan transmission bevel gear, a right fan is fixedly connected to the upper end of the right fan shaft, the right fan is located in a heat dissipation cavity, a right reversing gear is arranged on the front side of a right sliding block, teeth capable of being meshed with the right reversing gear are machined on the front end face of the right sliding block, the right sliding block can slide in the heat dissipation transmission cavity up and down, the right reversing gear is fixedly mounted on a right reversing shaft rotatably connected with the front end wall of the heat dissipation transmission cavity, a right connecting rod rack is meshed on the front side of the right reversing gear, the front side of the right connecting rod rack is fixedly mounted on a right connecting rod, and the upper end of the right connecting.
The beneficial effects are that: the device is inserted into a power socket, then the mobile phone is placed on the placing plate to start charging, when the temperature of the charging panel is too high, the thermal expansion material drives the internal transmission to enable the lifting rod to drive the placing plate to move upwards, so that the mobile phone is separated from contact with the device, the base moves downwards, and the plug is disconnected with the connector, so that the mobile phone can be separated from contact with the device within the shortest time, the mobile phone is protected, the mobile phone can be timely disconnected from a household circuit, the circuit breaking condition is avoided, and major accidents are avoided;
after the device triggered urgent overheat protection device, the motor started, and drive through internal transmission left side fan and right fan rotate to cool down the device, normal back is resumeed when the device temperature, the motor is closed, presses down simultaneously place the board with the organism, can make the device resume initial condition through above-mentioned internal transmission, and then can use reciprocally, can enough make the protection to furthest of device like this, can make the device used repeatedly again be unlikely to because overheated damage charger, extension device's life.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an overheat protection device for a wireless charger according to the present invention;
fig. 2 is a left sectional structural view of fig. 1.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1 and 2, for the sake of convenience of description, the following orientations are defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a wireless charger overheat protection device, which comprises a machine body 28, wherein the bottom of the machine body 28 is provided with a base 47, the lower end surface of the base 47 is provided with a plug 74, the upper end surface of the base 47 is matched with the lower end surface of the machine body 28, the lower end surface of the machine body 28 is provided with a connector 75, the connector 75 can be contacted with the plug 74, the left side and the right side of the lower end surface of the machine body 28 are provided with a left pop-up cavity 50 and a right pop-up cavity 29 with downward openings, the upper end wall in the left pop-up cavity 50 is connected with a left pop-up spring 51, the lower end of the left pop-up spring 51 is connected with a left pop-up rod 48, the lower end of the left pop-up rod 48 is fixedly connected with the upper end surface of the base 47, the right side of the left pop-up rod 48 is provided with a left locking cavity 44 with an opening facing left, the right end, the right end of the left locking block 49 is connected with a left locking rope 91, the right side of the left locking cavity 44 is communicated with the main transmission cavity 89, the right end of the left locking rope 91 is connected with the lower end of a left rack 43 positioned below the left end wall of the main transmission cavity 89, the upper end wall in the right ejecting cavity 29 is connected with a right ejecting spring 30, the lower end of the right ejecting spring 30 is connected with a right ejecting rod 31, the lower end of the right ejecting rod 31 is fixedly connected with the upper end face of the base 47, the left side of the right ejecting rod 31 is provided with a right locking cavity 35 with an opening facing the right, the left end wall of the right locking cavity 35 is connected with a right locking spring 34, the right end of the right locking spring 34 is fixed with a right locking block 32, the left end of the right locking block 32 is connected with a right locking rope 36, the right side of the right locking cavity 35 is communicated with the main transmission cavity 89, the left end of the right locking rope 36 is connected with the lower end of a right, the utility model discloses a solar battery charger, including organism 28, the up end center of organism 28 is provided with the panel 8 that charges, the up end of organism 28 is provided with annular place board 59, place board 59 and be located the outside of panel 8 that charges, be provided with opening up and annular chamber 53 that rises in the organism 28, it is fixed with lifter 58 to place board 59 lower extreme, lifter 58 is located the intracavity portion that rises, lifter 58 lower extreme is fixed with the board 55 that rises, the board 55 lower extreme that rises is connected with the setting and is in rise the ascending spring 54 on the chamber 53 lower extreme wall, be provided with disconnect device in the main drive chamber 89, main drive chamber 89 below is provided with heat dissipation transmission chamber 76, be provided with heat abstractor in the heat dissipation transmission chamber 76.
Advantageously, the disconnecting device comprises an expansion chamber 12 disposed above the main transmission chamber 89 and communicated with the main transmission chamber 89, the upper end of the expansion chamber 12 is provided with a thermal expansion material 9 contacting with the charging panel 8, the lower end of the expansion chamber 12 is provided with a stress spring 11, the upper end of the stress spring 11 is connected with a stress plate 10, the lower end of the stress plate 10 is fixed with a main rack 13, the main rack 13 is meshed with an input gear 14 disposed inside the main transmission chamber 89, the input gear 14 is fixedly mounted on an intermediate shaft 6, the intermediate shaft 6 is rotatably mounted on an intermediate shaft support 7 fixedly disposed on the rear end wall of the main transmission chamber 89, the left output bevel gear 37 is fixed on the left end of the intermediate shaft 6, the lower end of the left output bevel gear 37 is meshed with a left intermediate bevel gear 52, and the lower end of the left intermediate bevel gear 52 is fixed with a left transmission shaft 39, a left transfer bevel gear 40 is fixed at the lower end of the left transfer shaft 39, the left transfer shaft 39 is rotatably mounted on a left transfer shaft support 38 positioned at the rear end wall of the main transfer chamber 89, a left input bevel gear 42 is engaged at the rear end of the left transfer bevel gear 40, the left input bevel gear 42 is fixed at the front end of a left input shaft 41 rotatably mounted in the rear end wall of the main transfer chamber 89, a left gear 33 fixed on the left input shaft 41 is arranged at the rear end of the left input bevel gear 42, the left gear 33 is engaged with the left rack 43, a winding input bevel gear 5 is engaged at the upper end of the left output bevel gear 37, a winding shaft 4 is fixed at the upper end of the winding input bevel gear 5, the winding shaft 4 is rotatably mounted on a winding shaft support 90 fixed at the rear end wall of the main transfer chamber 89, a winding wheel 3 is fixed at the upper end of the winding shaft 4, and a left restoring rope 2 and a right restoring rope 16 are respectively mounted on the winding, a left reset cavity 57 and a right reset cavity 20 communicated with the ascending cavity 53 are respectively arranged on the left end wall and the right end wall of the main transmission cavity 89, a left reset spring 1 is arranged on the right end wall of the left reset cavity 57, a left fixture block 56 capable of sliding left and right is fixed on the left end of the left reset spring 1, a right reset spring 19 is arranged on the left end wall of the right reset cavity 20, a right fixture block 21 capable of sliding left and right is fixed on the right end of the right reset spring 19, a right output bevel gear 17 is fixed on the right end of the intermediate shaft 6, a right intermediate bevel gear 18 is meshed with the lower end of the right output bevel gear 17, a right transmission shaft 22 is fixed on the lower end of the right intermediate bevel gear 18, the right transmission shaft 22 is rotatably arranged on a right transmission shaft support 23 positioned on the rear end wall of the main transmission cavity 89, a right transmission bevel gear 24 is fixed on the lower end of the right transmission shaft 22, and a right input bevel gear 26 is meshed, the right input bevel gear 26 is fixed at the front end of a right input shaft 25 which is rotatably mounted in the rear end wall of the main transmission cavity 89, the rear end of the right input bevel gear 26 is provided with a right gear 15 which is fixed on the right input shaft 25, and the right gear 15 is meshed with the right rack 27.
Beneficially, the heat dissipation device includes a motor 73 fixedly disposed in the lower end wall of the heat dissipation transmission cavity 76, the motor 73 is connected to a battery inside the housing 28, a motor spindle 72 is fixed to the upper end of the motor 73, a first bevel gear 63 is fixed to the upper end of the motor spindle 72, a left fan output bevel gear 71 is engaged with the rear side of the first bevel gear 63, a left rotating shaft 69 is fixed to the rear end of the left fan output bevel gear 71, the rear end of the left rotating shaft 69 is rotatably mounted on the rear end wall inside the left slider 68, a left fan input bevel gear 70 fixedly mounted on the left rotating shaft 69 is disposed inside the left slider 68, a left fan transmission bevel gear 88 is engaged with the upper end of the left fan input bevel gear 70, a left fan shaft 62 is fixed to the upper end of the left fan transmission bevel gear 88, a left fan 61 is fixedly connected to the upper end of the left fan shaft 62, and the left fan 61 is disposed, a left reversing gear 67 is arranged at the rear side of the left slider 68, teeth which can be meshed with the left reversing gear 67 are processed on the rear end surface of the left slider 68, the left slider 68 can slide up and down in the heat dissipation transmission cavity 76, the left reversing gear 67 is fixedly arranged on a left reversing shaft 66 which is rotatably connected with the front end wall of the heat dissipation transmission cavity 76, a left connecting rod rack 65 is meshed at the rear side of the left reversing gear 67, the rear side of the left connecting rod rack 65 is fixedly arranged on a left connecting rod 64, the upper end of the left connecting rod 64 is fixed on the lower end surface of the lifting plate 55, a right fan output bevel gear 77 is meshed at the front side of the first bevel gear 63, a right rotating shaft 78 is fixed at the front end of the right fan output bevel gear 77, the front end of the right rotating shaft 78 is rotatably arranged on the front end wall in the right slider 79, a right fan input bevel gear 80 which is fixedly arranged on the right rotating shaft 78 is arranged, the upper end of the right fan input bevel gear 80 is engaged with a right fan transmission bevel gear 81, the upper end of the right fan transmission bevel gear 81 is fixed with a right fan shaft 86, the upper end of the right fan shaft 86 is fixedly connected with a right fan 87, the right fan 87 is positioned in the heat dissipation cavity 60, the front side of the right sliding block 79 is provided with a right reversing gear 85, the front end surface of the right sliding block 79 is processed with teeth which can be engaged with the right reversing gear 85, the right sliding block 79 can slide up and down in the heat dissipation transmission cavity 76, the right reversing gear 85 is fixedly arranged on a right reversing shaft 84 which is rotatably connected with the front end wall of the heat dissipation transmission cavity 76, the front side of the right reversing gear 85 is engaged with a right connecting rod rack 83, the front side of the right connecting rod rack 83 is fixedly arranged on a right connecting rod 82, and the upper end of the right connecting rod 82 is fixed on the lower.
In the initial state, the ascending spring 54 is in a compressed state, the placing plate 59 is in contact with the upper end surface of the body 28, the left latch 56 and the right latch 21 are used for clamping the ascending plate 55, the left ejecting spring 51 and the right ejecting spring 30 are compressed, the left locking block 49 and the right locking block 32 are used for clamping the left ejecting rod 48 and the right ejecting rod 31 respectively, and the plug 74 is in contact with the connecting head 75. The left fan output bevel gear 71 and the right fan output bevel gear 77 are disengaged from the first bevel gear 63. The motor 73 is off.
When the temperature of the charging panel 8 is too high, the thermal expansion material 9 absorbs a large amount of heat to expand downwards and support the stress plate 10 to move downwards, so that the main rack 13 moves downwards, the input gear 14 rotates, the left output bevel gear 37 and the right output bevel gear 17 are driven to rotate by the intermediate shaft 6, the winding input bevel gear 5 is driven to rotate by the left output bevel gear 37, the winding wheel 3 is driven to rotate by the winding shaft 4, the left reset rope 2 and the right reset rope 16 are wound into the winding wheel 3, the left fixture block 56 and the right fixture block 21 slide to the right and left respectively, and the upper lifting plate 55 moves upwards by the action of the lifting spring 54, the lifting rod 58 drives the placing plate 59 to move upwards, so as to remove the mobile phone from contact with the device, at the same time, the left output bevel gear 37 drives the left middle bevel gear 52 to rotate, so that the left transmission bevel gear 40 is driven to rotate by the left transmission shaft 39, so as to drive the left input bevel gear 42 to rotate, so that the left input shaft 41 drives the left gear 33 to rotate, so as to drive the left rack 43 to move upwards, so as to pull the left locking block 49 to move to the right by the left locking rope 91, so as to make the left ejection rod 48 contact-locked and move downwards, at the same time, the right output bevel gear 17 drives the right middle bevel gear 18 to rotate, so as to drive the right transmission bevel gear 24 to rotate by the right transmission shaft 22, so as to drive the right input bevel gear 26 to rotate, so as to drive the right gear 15 to rotate by the right input shaft 25, further, the right rack 27 is moved upward, and further the right locking block 32 is pulled by the right locking rope 36 to move leftward, so that the right eject rod 31 is locked in contact and moved downward, and further the base 47 is moved downward, so that the plug 74 and the connector 75 are disconnected, and at the same time, the left link 64 and the right link 82 are moved upward by the lifting plate 55, so that the left direction changing gear 67 and the right direction changing gear 85 are rotated by the left link rack 65 and the right link rack 83, and further the left slider 68 and the right slider 79 are moved downward, respectively, so that the first bevel gear 63 is engaged with the left fan output bevel gear 71 and the right fan output bevel gear 77, and the motor 73 is started, and the first bevel gear 63 is rotated by the motor spindle 72, thereby driving the left fan output bevel gear 71 and the right fan output bevel gear 77 to rotate, making the left fan output bevel gear 71 drive the left fan input bevel gear 70 to rotate through the left rotating shaft 69, thereby driving the left fan transmission bevel gear 88 to rotate, further driving the left fan 61 to rotate through the left fan shaft 62, at the same time, making the right fan output bevel gear 77 drive the right fan input bevel gear 80 to rotate through the right rotating shaft 78, thereby driving the right fan transmission bevel gear 81 to rotate, further driving the right fan 87 to rotate through the right fan shaft 86, further cooling the device, when the temperature of the device is recovered to normal, the motor 73 is turned off, the thermal expansion material 9 is also recovered, thereby making the stressed plate 10 recover to the initial position, and at the same time, the placing plate 59 and the machine body 28 are pressed downward, the device can be restored to the initial state through the internal transmission, and can be used repeatedly.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (3)
1. The utility model provides a wireless charger overheat protection device, includes the organism, its characterized in that: the bottom of the machine body is provided with a base, the lower end surface of the base is provided with a plug, the upper end surface of the base is matched with the lower end surface of the machine body, the lower end surface of the machine body is provided with a connector which can be contacted with the plug, the left side and the right side of the lower end surface of the machine body are provided with a left pop-up cavity and a right pop-up cavity with downward openings, the upper end wall in the left pop-up cavity is connected with a left pop-up spring, the lower end of the left pop-up spring is connected with a left pop-up rod, the lower end of the left pop-up rod is fixedly connected with the upper end surface of the base, the right side of the left pop-up rod is provided with a left locking cavity with a leftward opening, the right end wall of the left locking cavity is connected with a left locking spring, the left locking block is fixed at the left end of the left locking spring, the right end of the left locking block is connected with a, the upper end wall in the right ejection cavity is connected with a right ejection spring, the lower end of the right ejection spring is connected with a right ejection rod, the lower end of the right ejection rod is fixedly connected with the upper end face of the base, the left side of the right ejection rod is provided with a right locking cavity with an opening facing the right, the left end wall of the right locking cavity is connected with a right locking spring, the right end of the right locking spring is fixed with a right locking block, the left end of the right locking block is connected with a right locking rope, the right side of the right locking cavity is communicated with the main transmission cavity, the left end of the right locking rope is connected with the lower end of a right rack below the right end wall of the main transmission cavity, the center of the upper end face of the machine body is provided with a charging panel, the upper end face of the machine body is provided with an annular placing plate, the placing plate is positioned outside the charging panel, the machine body is internally provided with an annular ascending cavity with an upward opening, and, the lifting rod is located inside the lifting cavity, a lifting plate is fixed at the lower end of the lifting rod, a lifting spring arranged on the lower end wall of the lifting cavity is connected to the lower end of the lifting plate, a disconnecting device is arranged in the main transmission cavity, a heat dissipation transmission cavity is arranged below the main transmission cavity, and a heat dissipation device is arranged in the heat dissipation transmission cavity.
2. The wireless charger overheat protection device according to claim 1, wherein: the disconnecting device comprises an expansion cavity which is arranged above the main transmission cavity and communicated with the main transmission cavity, the upper end of the expansion cavity is provided with a thermal expansion material contacted with the charging panel, the lower end of the expansion cavity is provided with a stress spring, the upper end of the stress spring is connected with a stress plate, the lower end of the stress plate is fixed with a main rack, the main rack is meshed with an input gear arranged in the main transmission cavity, the input gear is fixedly arranged on a middle shaft, the middle shaft is rotatably arranged on a middle shaft support fixedly arranged on the rear end wall of the main transmission cavity, the left end of the middle shaft is fixed with a left output bevel gear, the lower end of the left output bevel gear is meshed with a left middle bevel gear, the lower end of the left middle bevel gear is fixed with a left transmission shaft, the lower end of the left transmission shaft is fixed with a left transmission bevel gear, the left transmission shaft is rotatably arranged on a left transmission shaft support, the rear end of the left transmission bevel gear is engaged with a left input bevel gear, the left input bevel gear is fixed at the front end of a left input shaft which is rotatably arranged in the rear end wall of the main transmission cavity, the rear end of the left input bevel gear is provided with a left gear which is fixed on the left input shaft, the left gear is engaged with the left rack, the upper end of the left output bevel gear is engaged with a winding input bevel gear, the upper end of the winding input bevel gear is fixed with a winding shaft which is rotatably arranged on a winding shaft support which is fixed on the rear end wall of the main transmission cavity, the upper end of the winding shaft is fixed with a winding wheel, the winding wheel is respectively provided with a left reset rope and a right reset rope, the left end wall and the right end wall of the main transmission cavity are respectively provided with a left reset cavity and a right reset cavity which are communicated with the ascending cavity, and the right end wall of the left reset cavity is provided with, a left clamping block capable of sliding left and right is fixed at the left end of the left reset spring, a right reset spring is arranged on the left end wall of the right reset cavity, a right clamping block capable of sliding left and right is fixed at the right end of the right return spring, a right output bevel gear is fixed at the right end of the intermediate shaft, the lower end of the right output bevel gear is engaged with a right middle bevel gear, the lower end of the right middle bevel gear is fixed with a right transmission shaft, the right transmission shaft is rotatably mounted on a right transmission shaft support located at the rear end wall of the main transmission chamber, a right transmission bevel gear is fixed at the lower end of the right transmission shaft, the rear end of the right transmission bevel gear is engaged with a right input bevel gear, the right input bevel gear is fixed at the front end of a right input shaft which is rotatably arranged in the rear end wall of the main transmission cavity, the rear end of the right input bevel gear is provided with a right gear fixed on the right input shaft, and the right gear is meshed with the right rack.
3. The wireless charger overheat protection device according to claim 1, wherein: the heat dissipation device comprises a motor fixedly arranged in the lower end wall of the heat dissipation transmission cavity, the motor is connected with a storage battery in the machine body, a motor main shaft is fixed at the upper end of the motor main shaft, a first bevel gear is fixed at the upper end of the motor main shaft, a left fan output bevel gear is meshed at the rear side of the first bevel gear, a left rotating shaft is fixed at the rear end of the left fan output bevel gear, the rear end of the left rotating shaft is rotatably arranged on the rear end wall in the left sliding block, a left fan input bevel gear fixedly arranged on the left rotating shaft is arranged in the left sliding block, a left fan transmission bevel gear is meshed at the upper end of the left fan input bevel gear, a left fan shaft is fixed at the upper end of the left fan transmission bevel gear, a left fan is fixedly connected at the upper end of the left fan shaft, the left fan is positioned, the rear end face of the left sliding block is provided with teeth which can be meshed with the left reversing gear, the left sliding block can slide up and down in the heat dissipation transmission cavity, the left reversing gear is fixedly arranged on a left reversing shaft which is rotationally connected with the front end wall of the heat dissipation transmission cavity, the rear side of the left reversing gear is meshed with a left connecting rod rack, the rear side of the left connecting rod rack is fixedly arranged on a left connecting rod, the upper end of the left connecting rod is fixed on the lower end face of the lifting plate, the front side of the first bevel gear is meshed with a right fan output bevel gear, the front end of the right fan output bevel gear is fixedly provided with a right rotating shaft, the front end of the right rotating shaft is rotationally arranged on the front end wall in the right sliding block, the right fan input bevel gear which is fixedly arranged on the right rotating shaft is arranged in the right sliding block, and the upper end of the right, the fan assembly comprises a right fan transmission bevel gear, a right fan shaft is fixed to the upper end of the right fan transmission bevel gear, a right fan is fixedly connected to the upper end of the right fan shaft, the right fan is located in a heat dissipation cavity, a right reversing gear is arranged on the front side of a right sliding block, teeth capable of being meshed with the right reversing gear are machined on the front end face of the right sliding block, the right sliding block can slide in the heat dissipation transmission cavity up and down, the right reversing gear is fixedly mounted on a right reversing shaft rotatably connected with the front end wall of the heat dissipation transmission cavity, a right connecting rod rack is meshed on the front side of the right reversing gear, the front side of the right connecting rod rack is fixedly mounted on a right connecting rod, and the upper end of the right connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010049775.3A CN111049240B (en) | 2020-01-16 | 2020-01-16 | Wireless charger overheat protection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010049775.3A CN111049240B (en) | 2020-01-16 | 2020-01-16 | Wireless charger overheat protection device |
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| CN111049240A CN111049240A (en) | 2020-04-21 |
| CN111049240B true CN111049240B (en) | 2020-10-09 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111342531B (en) * | 2020-05-18 | 2020-08-11 | 广东电网有限责任公司东莞供电局 | a wireless charger |
| CN112203452B (en) * | 2020-09-16 | 2021-09-24 | 嘉兴市松茂电子有限公司 | Data collection protection device with over-temperature protection function |
| CN113067392B (en) * | 2021-05-11 | 2022-05-24 | 南京西普尔科技实业有限公司 | Device and method for overheat protection by using conduction resistor of MOS (metal oxide semiconductor) tube as charger |
| CN114598001B (en) * | 2022-03-16 | 2023-03-24 | 东莞三顺金能实业有限公司 | Mobile phone wireless charger with overcharge protection device |
| CN114640185B (en) * | 2022-04-07 | 2024-04-23 | 深圳市美顺和电子有限公司 | Portable mobile phone wireless charger with overheat protection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0210886D0 (en) * | 2002-05-13 | 2002-06-19 | Zap Wireless Technologies Ltd | Improvements relating to contact-less power transfer |
| CN107069893B (en) * | 2017-06-06 | 2019-11-05 | 深圳市美微视电子有限公司 | A kind of Portable mobile phone wireless charger that can be carried around and open air uses |
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