CN214337604U

CN214337604U - Charger with automatic power-off function

Info

Publication number: CN214337604U
Application number: CN202120123417.2U
Authority: CN
Inventors: 徐斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-10-01
Anticipated expiration: 2031-01-18

Abstract

The utility model relates to a charger with auto-power-off function, including charger switch, the state of charge detection module, a controller, including a motor, an end cap, a controller, and a cover plate, transmission, swing manipulator and limit switch, the swing manipulator is around the rotatable setting of a fixed axis, the state of charge detection module communication connection controller, controller connection control motor operation, the motor passes through transmission drive swing manipulator and rotates around fixed axis, the swing manipulator is rotatable to touching charger switch to the position of closing, limit switch sets up on charger switch motion route, be used for exporting the stall of electric signal control motor when charger switch moves to the closed position. The utility model has the functions of no-load, full-charge and overheating automatic power-off, can save energy, prolong the service life of the charger and the charging equipment and reduce potential safety hazards; the automatic power-off charging system is provided with two working modes of full charge and automatic power-off and conventional charging, and is convenient and flexible to use; simple structure and wide application range.

Description

Charger with automatic power-off function

Technical Field

The utility model relates to a charger technical field, especially a charger with auto-power-off function.

Background

Along with the development and progress of the society, electronic products are gradually popularized, and the use of the electronic products cannot be separated from chargers. However, the charger in the prior art does not have the function of automatically cutting off the power supply when the charger is empty or full. People often only pull out electronic products or charging wires after using the charger to charge the electronic products, and at the moment, the charger is still connected with a power supply although in an idle state, and still part of circuits are in a working state, so that unnecessary energy loss is caused, and potential safety hazards are easily caused when the power supply is connected for a long time. Meanwhile, people often cannot pull out the electronic equipment in time after the electronic equipment is fully charged, the charging time is too long, the damage to the components of the electronic equipment is easily caused, the service life of the electronic equipment is shortened, the temperature of the charger is also easily caused to be too high, the charger or a circuit is damaged, and certain potential safety hazards also exist.

SUMMERY OF THE UTILITY MODEL

The main objective of the utility model is to overcome prior art's shortcoming, provide one kind and have no-load or be full of the auto-power-off function, but the energy saving, extension charger and battery charging outfit's life reduces the charger that has the auto-power-off function of potential safety hazard.

The utility model adopts the following technical scheme:

a charger with an automatic power-off function comprises a charger power switch, a charging state detection module, a controller, a motor, a transmission device, a swinging manipulator and a limit switch, wherein the swinging manipulator is rotatably arranged around a fixed axis, the charging state detection module is in communication connection with the controller, the controller is connected with the motor to control the motor to run, the motor drives the swinging manipulator to rotate around the fixed axis through the transmission device, the swinging manipulator is rotatable to touch the charger power switch to a closed position, and the limit switch is arranged on a movement path of the charger power switch and used for outputting an electric signal to control the motor to stop when the charger power switch moves to the closed position.

Further, the swing manipulator is formed with a protruding end for touching a charger power switch.

Furthermore, the transmission device adopts a transmission gear set which comprises a plurality of gears which are meshed in sequence.

Furthermore, the swing manipulator is a gear provided with a yielding notch and is meshed with a tail end gear of the transmission device, and the protruding end is formed on one side of the yielding notch.

Furthermore, the charger with the automatic power-off function also comprises a working mode selection switch which is used for connecting and controlling the on-off of the power supply of the controller, so that the charger can be switched between an idle load or full load automatic power-off mode and a conventional charging mode.

Furthermore, the charger with the automatic power-off function further comprises a manual power switch for manually controlling the power of the charger to be turned on or off.

Furthermore, the charger with the automatic power-off function also comprises a temperature detection device for detecting the internal temperature of the charger, and the temperature detection device is in communication connection with the controller.

Furthermore, the charger with the automatic power-off function also comprises a charging interface used for connecting charging equipment.

Furthermore, the charger with the automatic power-off function also comprises a working state indicator light for indicating the working state of the charger.

Furthermore, the charger with the automatic power-off function further comprises a charger shell, and the charger power switch, the controller, the motor, the transmission device, the swinging manipulator and the limit switch are all installed in the charger shell.

From the above description of the present invention, compared with the prior art, the present invention has the following advantages:

firstly, through installing the motor in the charger, transmission and swing manipulator, after the charger was under no-load state or charging equipment was full of electricity, but automatic control motor drive swing manipulator swing was closed the charger power, simultaneously through setting up limit switch steerable motor stall after the charger power was closed, prevent that motor drive swing manipulator swing excessively from causing charger switch to damage, have no-load or be full of the auto-power-off function, can the energy saving, the life of extension charger and charging equipment, reduce the potential safety hazard, and the device of control automatic cutout charger power only just moves when no-load or full of electricity, and the loss is extremely low.

And secondly, by arranging the temperature sensor, the internal temperature of the charger can be detected, the automatic power-off of the charger can be controlled to be overheated, the danger caused by the overheating of the charger can be prevented, and the potential safety hazard can be reduced.

And thirdly, the charger is provided with two working modes of full automatic power-off and conventional charging, and the charger is controlled to be switched between the two modes through the working mode selection switch, so that the charger is convenient and flexible to use.

Fourthly, simple structure can be used to the charging of multiple electrical apparatus or equipment, and application scope is wide, easily promotes.

Drawings

Fig. 1 is a schematic view of the overall structure of a charger according to embodiment 1 of the present invention;

fig. 2 is an electrical control schematic block diagram of a charger according to embodiment 1 of the present invention;

fig. 3 is a schematic structural diagram of the charger of embodiment 1 of the present invention in a state of being connected to a charging device.

In the figure: 1. the charger comprises a charger shell, 2 parts of a charger power switch, 21 parts of a fixed guide part, 22 parts of a movable key, 3 parts of a charging state detection module, 4 parts of a temperature detection device, 5 parts of a controller, 6 parts of a motor, 7 parts of a transmission device, 71 parts of a first gear, 72 parts of a second gear, 73 parts of a third gear, 74 parts of a fourth gear, 75 parts of a fifth gear, 8 parts of a swing manipulator, 81 parts of an abdication gap, 82 parts of a protruding end, 9 parts of a limit switch, 10 parts of a fixed shaft, 11 parts of a relay, 12 parts of a switch transformer, 13 parts of a working mode selection switch, 14 parts of a manual power switch, 15 parts of a charging interface, 16 parts of a power plug, 17 parts of a charging state indicator light and 18 parts of a full state indicator light.

Detailed Description

The present invention will be further described with reference to the following detailed description.

Example 1

Referring to fig. 1 to 3, the utility model discloses a charger with automatic power-off function, including charger housing 1 and install charger switch 2, charged state detection module 3, temperature-detecting device 4, controller 5, motor 6, transmission 7, swing manipulator 8 and limit switch 9 in charger housing 1.

The charging state detection module 3 is used for detecting the working state of no-load, charging or full-charge of the charger, the charging state detection module 3 is in communication connection with the controller 5, the controller 5 is connected with the control motor 6 to operate, the swing manipulator 8 is rotatably arranged relative to a fixed shaft 10 fixed on the charger shell 1, the motor 6 drives the swing manipulator 8 to rotate around the fixed shaft 10 through the transmission device 7, and the swing manipulator 8 can rotate to the position of triggering the charger power switch 2 to be closed. The charger power switch 2 includes a fixed guide portion 21 formed with a guide through hole and a movable button 22 disposed in the guide through hole of the fixed guide portion 21 to be movable in a guide manner. The limit switch 9 adopts a contact-driven travel switch, the relay 11 is connected with the control motor 6 to operate, the limit switch 6 is arranged at the rear end of the guide through hole of the charger power switch 2, and the movable key 22 of the charger power switch 2 can be touched with the limit switch 9 when moving to the closing position, so that the limit switch 9 outputs an electric signal to control the motor 6 to stop rotating. The swing manipulator 8 is a gear provided with a abdicating notch 81, and a protruding end 82 for touching the charger power switch 2 is formed on one side of the abdicating notch 81. The transmission device 7 adopts a transmission gear set and comprises a first gear 71, a second gear 72, a third gear 73, a fourth gear 74 and a fifth gear 75, wherein the first gear 71 is fixedly connected to a power output shaft of the motor 6 and can rotate along with the power output shaft of the motor 6, the second gear 72 and the third gear 73 are coaxially arranged and synchronously linked, the fourth gear 74 and the fifth gear 75 are coaxially arranged and synchronously linked, the outer diameter of the second gear 72 is larger than that of the third gear 73, the outer diameter of the fourth gear 74 is larger than that of the fifth gear 75, the first gear 71 is meshed with the second gear 72, the third gear 73 is meshed with the fourth gear 74, and the fifth gear 75 is meshed with a gear of the swinging manipulator 8. The variable diameter transmission of each gear of the transmission device 7 is used for realizing speed reduction. The state of charge detection module 3 employs the prior art. The controller 5 adopts an MCS-51 single chip microcomputer.

The temperature detection device 4 is used for detecting the internal temperature of the charger and is in communication connection with the controller 5. The temperature detection device 4 is installed at a switching transformer 12 of the charger, the switching transformer 12 being a conventional component of the charger of the prior art. The temperature detection device 4 employs a temperature sensor or a temperature probe.

The charger housing 1 is further provided with a working mode selection switch 13, a manual power switch 14, a charging interface 15, a working state indicator lamp and a power plug 16. The operation mode selection switch 13 is used for connecting and controlling the on-off of the power supply of the controller 5, so that the charger can be switched between an idle or full automatic power-off mode and a normal charging mode. The manual power switch 14 is used for manually controlling the charger power to be turned on or turned off, and the manual power switch 14 adopts a press type spring switch and can control the movable key 22 of the charger power switch 2 to be linked with or reset. The charging interface 15 adopts a USB interface for connecting a charging device. The operation status indicator lamp is used for indicating the operation status of the charger, and includes a charge status indicator lamp 17 and a full state indicator lamp 18.

Referring to fig. 1 to 3, the utility model discloses a when charger with auto-power-off function used, the battery charging outfit was connected with the charger through the interface 15 that charges, and 220V alternating current power supply is connected to charger power plug 16, passes through the mode selection switch 13 according to actual need earlier and selects the mode of charger. When the charger works in an idle load or full load automatic power-off mode, the manual power switch 14 is manually pressed to reset the charger power switch 2, and meanwhile, the controller 5 receives an electric signal to control the motor 6 to drive the swinging manipulator 8 to reset so as to start charging the charging equipment. When the charging state detection module detects that the charging device is fully charged, the charging state indicator lamp 17 is turned off, the full state indicator lamp 18 is turned on, and the charging state detection module 3 outputs a full electric signal to the controller 5; or when the charging state detection module 3 detects that the charger is unloaded under the condition of pulling out the charging device, the charging state detection module 3 also outputs an unloaded electric signal to the controller 5. After the controller 5 receives the full or no-load electric signal and delays the set time (1 minute), the motor 6 is controlled to start and drive the swing manipulator 8 to swing and touch the charger power switch 2 to be in a closed state, and the charger power is cut off. Meanwhile, when the movable key 22 of the charger power switch 2 moves to the closing position, the movable key touches the limit switch 9 to enable the limit switch 9 to output an electric signal to control the motor 6 to stop rotating, and the damage of the charger power switch 2 caused by excessive swinging of the swinging manipulator 8 driven by the motor 6 is prevented. In addition, the temperature detection device 4 detects the internal temperature of the charger in real time and transmits data to the controller 5, and when the internal temperature of the charger exceeds a set temperature threshold, the controller 5 controls the motor 6 to start, so that the power supply of the charger is immediately cut off, and the danger caused by overheating of the charger is prevented. When the charger works in a normal charging mode, the charging state indicator lamp 17 is on for a long time, the charger power supply cannot be automatically turned off when the charger is in no-load or full-charge state, and the charger power supply can only be manually turned off through the manual power switch 14.

The utility model discloses a but charger with auto-power-off function wide application in cell-phone charger also is applicable to the charger of other electrical apparatus or the equipment that need auto-power-off function.

Example 2

This example differs from example 1 in that: the limit switch 9 is a proximity switch driven by a non-contact mode and is arranged at the rear end of the guide through hole of the charger power switch 2, when the movable key 22 of the charger power switch 2 moves to the closing position, the movable key does not need to touch the limit switch 9, and the limit switch 9 can be triggered to output an electric signal to control the motor 6 to stop rotating when the movable key reaches a certain distance with the limit switch 9. The swing manipulator 8 is fixed on a rotating shaft, and the rotating shaft is rotatably arranged on the charger shell 1 through a bearing.

The aforesaid is only two concrete implementation manners of the utility model, nevertheless the utility model discloses a design concept is not limited to this, and all utilize this design right the utility model discloses carry out immaterial change, all should belong to and infringe the action of the scope of protection of the utility model.

Claims

1. The utility model provides a charger with auto-power-off function which characterized in that: including charger switch, charged state detection module, controller, motor, transmission, swing manipulator and limit switch, swing manipulator is around the rotatable setting of a fixed axis, charged state detection module communication connection controller, controller connection control motor operation, the motor passes through transmission drive swing manipulator and rotates around fixed axis, and swing manipulator is rotatable to touching charger switch to the position of closing, and limit switch sets up on charger switch motion route, is used for outputting the signal of telecommunication control motor stall when charger switch moves to the closed position.

2. A charger with an automatic power-off function according to claim 1, wherein: the swing manipulator is provided with a protruding end used for touching a charger power switch.

3. A charger with an automatic power-off function according to claim 2, wherein: the transmission device adopts a transmission gear set and comprises a plurality of gears which are meshed in sequence.

4. A charger with an automatic power-off function according to claim 3, wherein: the swing manipulator is a gear provided with a abdicating notch and is meshed with a tail end gear of the transmission device, and one side of the abdicating notch forms the protruding end.

5. A charger with an automatic power-off function according to claim 1, wherein: the charger also comprises a working mode selection switch which is used for connecting and controlling the on-off of the power supply of the controller so as to switch the charger between an idle load or full load automatic power-off mode and a conventional charging mode.

6. A charger with an automatic power-off function according to claim 1, wherein: the charger also comprises a manual power switch for manually controlling the on or off of the charger power.

7. A charger with an automatic power-off function according to claim 1, wherein: the charger also comprises a temperature detection device for detecting the internal temperature of the charger, and the temperature detection device is in communication connection with the controller.

8. A charger with an automatic power-off function according to claim 1, wherein: the charging device further comprises a charging interface used for being connected with the charging device.

9. A charger with an automatic power-off function according to claim 1, wherein: the charger also comprises a working state indicator light for indicating the working state of the charger.

10. A charger with an automatic power-off function according to claim 1, wherein: the charger comprises a charger shell, and a charger power switch, a controller, a motor, a transmission device, a swinging manipulator and a limit switch are all arranged in the charger shell.