CN107719484B - Electric automobile charge door automatic switching device that convenience manual operation was able to operate - Google Patents
Electric automobile charge door automatic switching device that convenience manual operation was able to operate Download PDFInfo
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- CN107719484B CN107719484B CN201710927147.9A CN201710927147A CN107719484B CN 107719484 B CN107719484 B CN 107719484B CN 201710927147 A CN201710927147 A CN 201710927147A CN 107719484 B CN107719484 B CN 107719484B
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- 238000001514 detection method Methods 0.000 claims description 18
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- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 7
- 239000000945 filler Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/24—Superstructure sub-units with access or drainage openings having movable or removable closures; Sealing means therefor
Abstract
The utility model provides a but electric automobile charge door automatic switching device of manual operation of convenience, includes motor, worm, helical gear, spring, nut, charge mouth door axle and charge the mouth door, charge mouth door axle and locate in the charge mouth door, charge mouth door axle upper portion is equipped with a set of external spline, and the top is equipped with the external screw thread; the charging port door shaft is provided with a bevel gear, a group of internal splines are arranged in the bevel gear, and the internal splines are meshed with the external splines. The helical gear is provided with a spring, and the spring is fixed on the charging port door shaft through a nut; the worm is arranged on a rotating main shaft of the motor, and is meshed with the bevel gear. The automobile charging door is simple, reasonable and compact in structure, the direct-current motor drives the actuating mechanism to push the charging door to open and close, the mode of electric opening and closing of the automobile charging door replaces the existing manual opening and closing mode, meanwhile, the automobile charging door has a manual mode, and a user can select an automatic mode or a manual mode according to use habits in a normal use state.
Description
Technical Field
The invention belongs to the technical field of automobile accessories, and particularly relates to an electric automobile charging door automatic opening and closing device capable of being manually operated and a working method thereof.
Background
The existing electric automobile charging door is of a mechanical pressing type, forgetting to turn off can often occur, damage or rain and snow wetting in the driving process can be easily caused, and safety is affected. The existing vehicle charging door is unlocked by a stay wire or a motor, then is manually lifted to finish the opening process, is also manually closed when closed, and is locked by the stay wire or the motor to finish the whole charging process. The charging door using mode realizes automation except unlocking and falling locking of the charging door, and other modes need manual operation. With the rapid development of the automobile industry, automobile electronic automation has become a trend, how to make users enjoy convenience and humanization brought by technological development, and the existing mode does not conform to the trend of further improving the automobile automation degree.
The technical scheme of automatic opening and closing of the charging door in the prior art is as follows: electrically operated, electromagnetically controlled, remote sensing, etc. The invention patent number CN201410071017.6 discloses an oil filler cap which is opened and closed by electric control, and the fluted disc is driven by the forward and reverse rotation of a motor to drive the oil filler cap to be opened and closed. The invention patent number 2007201441736 discloses a self-limiting electronic anti-theft oil filler for a car, which is additionally provided with a telescopic electric pull rod consisting of a telescopic rod and a control mechanism, and the control mechanism and a control switch of the telescopic electric pull rod can realize electric control to finish the opening and closing of an oil filler door. However, after the door is opened, the system still needs manual operation outside the vehicle by an operator, and the automation of the whole process cannot be realized.
Disclosure of Invention
The invention aims to: in order to overcome the defects of the prior art, the invention aims to provide an automatic opening and closing device of an electric automobile charging door, which is convenient to operate manually, and a working method of the automatic opening and closing device of the electric automobile charging door, which is convenient to operate manually. The device can realize a complete set of automatic operations such as unlocking, opening and closing of the charging door by the automatic opening and closing device under the control of the vehicle ECU under the drive of a power supply, and simultaneously can provide a manual operation mode, and an operator can manually open or close the charging door.
The technical scheme is as follows: the invention provides a convenient and manually-operated automatic opening and closing device for a charging door of an electric automobile, which comprises a motor, a worm, a bevel gear, a spring, a nut, a charging door shaft and a charging door, wherein the charging door shaft is arranged in the charging door, a group of external splines are arranged at the upper part of the charging door shaft, and external threads are arranged at the top of the charging door shaft; the charging port door shaft is provided with a bevel gear, a group of internal splines are arranged in the bevel gear, and the internal splines are meshed with the external splines, so that the bevel gear is rigidly connected with the charging port door shaft, and power is transmitted. The helical gear is provided with a spring, and the spring is fixed on the charging port door shaft through a nut; the worm is arranged on a rotating main shaft of the motor, and is meshed with the bevel gear to form a worm bevel gear pair. The automatic opening and closing device for the electric automobile charging door, which is convenient to operate manually, has the advantages of simple, reasonable and compact structure and small occupied space, and provides a more convenient, more humanized and better door opening scheme for users. The electric opening and closing mode of the automobile charging door replaces the existing manual opening and closing mode, and meanwhile the electric opening and closing mode of the automobile charging door has a manual mode, namely a user can directly push and pull the charging door to complete opening and closing actions, the electric charging door can be applied to requirements of normal use under power failure conditions or other emergency conditions, different use habits of the user can be met, the user can select an automatic mode or a manual mode according to the use habits, and the manual mode can also be applied to requirements of normal use under the power failure conditions or other emergency conditions.
Furthermore, the automatic opening and closing device of the electric automobile charging door is convenient to operate manually, and a gasket is further arranged between the nut and the spring. The gasket and the nut are arranged concentrically with the charging door shaft, and are matched with the external threads of the charging door shaft, and the mounting position of the nut can be adjusted through the gasket, so that the spring has different pressures to act on the bevel gear, and the gasket can enable the stability of fixation to be better.
Furthermore, the automatic opening and closing device of the electric automobile charging door is convenient to operate manually, and the charging door shaft is further provided with a bearing which is arranged at the lower part of the bevel gear. The arrangement of the bearing can enable the fluency of rotation to be better.
Furthermore, the automatic opening and closing device of the electric automobile charging door is convenient to operate manually, the charging door shaft is further provided with an angle control module, the angle control module comprises a magnetic ring and an angle detection device, the magnetic ring is arranged on the charging door shaft and between the bearing and the charging door, and the angle detection device and the magnetic ring are located on the same horizontal plane and at a certain distance from the magnetic ring. The angle detection device can accurately control the output angle of the charging port door shaft through detection of the sensor so as to match the requirements of different output angles.
Furthermore, the automatic opening and closing device of the electric automobile charging door is convenient to operate manually, and the angle detection device comprises an angle sensor and a micro switch. The sensor can be selected variously, and the sensor is selected according to different application environments, so that the applicability is good.
Furthermore, the automatic opening and closing device of the electric automobile charging door is convenient and manually operated, and the motor is provided with a speed reducing module which is connected with a main shaft of the direct current motor and is mechanically connected with the direct current motor through a shell; the worm is arranged on the output shaft of the speed reduction module. Can meet the requirements of slow rotating speed and large torque of the automatic opening and closing device.
Furthermore, the electric automobile charging door automatic opening and closing device with the convenience and manual operation can be realized, and the motor is a direct current motor. The motor is preferably a direct current motor, has good starting and speed regulation performance, wide and smooth speed regulation range, strong overload capacity, small influence by electromagnetic interference, good starting characteristic and speed regulation characteristic and larger torque of the motor. In addition, the maintenance is cheaper, energy-saving and environment-friendly. The spring is a compression spring, and the compression amount is set according to the moment to be overcome when the door is opened.
Further, the electric automobile charging door automatic opening and closing device capable of being manually operated in the convenience mode further comprises a whole automobile ECU control module, and the whole automobile ECU control module is electrically connected with the motor and the angle control module. The integral ECU control module is arranged at other positions in the automobile and is electrically connected with the automatic opening and closing device of the electric automobile charging door, which is manually operated, and is convenient and fast. Besides the whole vehicle ECU control module, the control circuit can be other control circuits, and the control circuit is selected according to different application environments, so that the applicability is good.
The invention also provides a working method of the electric automobile charging door automatic opening and closing device with convenience and manual operation, which comprises the following steps:
lifting the charging door, wherein the charging door drives the charging door to move upwards, the internal spline and the external spline are separated, the spring is stretched, the power transmission between the motor and the charging door is cut off, and the charging door can rotate freely;
the charging door is loosened, the spring rebounds, the charging door shaft moves downwards, the internal spline is meshed with the external spline, and at the moment, the whole device is restored to the electric and manual states.
The manual working process is very convenient, and a user can directly push and pull the charging door to finish the opening and closing actions. The user can select an automatic mode or a manual mode according to the usage habit and can also apply to the requirements of normal use in a power-off situation or other emergency situations.
Further, the working method of the electric automobile charging door automatic opening and closing device convenient and manually operated comprises the following steps:
the whole vehicle ECU control module receives an execution signal sent by the angle control module, the whole vehicle ECU control module controls the motor to be electrified, the motor rotates, the motor drives the bevel gear to rotate by driving the worm, an internal spline on the bevel gear is meshed with an external spline on the charging port door shaft, the bevel gear drives the charging port door shaft to rotate, and the charging port door shaft drives the charging port door to rotate, so that the door opening action is completed;
the whole vehicle ECU control module receives a stop signal sent by the angle control module, the whole vehicle ECU control module controls the motor to be electrified, the motor rotates, the motor drives the worm to rotate reversely to push the bevel gear to rotate reversely, the internal spline on the bevel gear is meshed with the external spline on the charging port door shaft, the bevel gear drives the charging port door shaft to rotate reversely, and the charging port door shaft drives the charging port door to rotate reversely to finish the door closing action.
The whole ECU control module can enable the automation and intelligent degree of the whole process to be higher, and the efficiency of the whole working process is improved.
The technical scheme can be seen that the invention has the following beneficial effects: the automatic opening and closing device for the electric automobile charging door, which is convenient to operate manually, has the advantages of simple, reasonable and compact structure and small occupied space, and provides a more convenient, more humanized and better door opening scheme for users. The electric opening and closing mode of the automobile charging door replaces the existing manual opening and closing mode, and meanwhile the electric opening and closing mode of the automobile charging door has a manual mode, namely, a user can directly push and pull the charging door to complete opening and closing actions, different use habits of the user can be met, the user can select an automatic mode or a manual mode according to the use habits, and the electric opening and closing device can also be applied to normal use requirements under power failure conditions or other emergency conditions. In addition, under the control of the vehicle ECU, the automatic opening and closing device drives the charging door to unlock, open, close and the like, and the automatic opening and closing device has a complete set of automatic operation, simple logic control, high automation and intelligent degree and extremely high application value.
Drawings
Fig. 1 is a schematic structural view of an automatic opening and closing device for a charging door of an electric vehicle, which is convenient and manually operable according to the present invention;
FIG. 2 is a schematic diagram showing electrical connection of an automatic opening and closing device for a charging door of an electric vehicle, which is convenient and manually operable according to the present invention;
fig. 3 is a flowchart of the operation of the portable and manually operable automatic opening and closing device for the electric vehicle charging door according to the present invention.
In the figure: 1 motor, 2 worm, 3 helical gear, 301 internal spline, 4 spring, 5 nut, 6 charging port door axle, 601 external spline, 602 external screw thread, 7 charging port door, 8 gasket, 9 bearing, 10 angle control module, 101 magnetic ring, 102 angle detection device, 11 deceleration module, 12 whole car ECU control module.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Example 1
The convenient and manually-operated automatic opening and closing device for the charging door of the electric automobile shown in fig. 1 comprises a direct current motor 1, a worm 2, a bevel gear 3, a spring 4, a nut 5, a charging door shaft 6 and a charging door 7. The worm 2 is arranged on a rotating main shaft of the direct current motor 1, and the worm 2 is meshed with the bevel gear 3 to form a worm bevel gear pair.
In addition, the charging port door shaft 6 is arranged in the charging port door 7, a group of external splines 601 are arranged at the upper part of the charging port door shaft 6, and external threads 602 are arranged at the top part of the charging port door shaft; the charging port door shaft 6 is provided with a bevel gear 3, a group of internal splines 301 are arranged in the bevel gear 3, and the internal splines 301 are meshed with the external splines 601, so that the bevel gear is rigidly connected with the charging port door shaft, and power is transmitted. And a spring 4 is arranged on the bevel gear 3, and a gasket 8 is further arranged between the nut 5 and the spring 4. The gasket 8 is concentrically arranged with the nut 5 and the charging port door shaft 6, is matched with the external thread of the charging port door shaft 6, and fixes the spring 4 on the charging port door shaft 6 through the nut 5, and the spring 4 has different pressures to act on the bevel gear 3 through adjusting the mounting position of the nut 5. In addition, a bearing 9 is further arranged on the charging port door shaft 6, and the bearing 9 is arranged at the lower part of the bevel gear 3. Further, the above-mentioned portable manually-operated automatic opening and closing device for the electric automobile charging door is characterized in that the charging door shaft 6 is further provided with an angle control module 10, the angle control module 10 comprises a magnetic ring 101 and an angle detection device 102, the magnetic ring 101 is arranged on the charging door shaft 6 and between the bearing 9 and the charging door 7, and the angle detection device 102 and the magnetic ring 101 are positioned on the same horizontal plane and at a certain distance from the magnetic ring 101. Wherein the angle detection device 102 may be an angle sensor or a micro switch according to the selection.
During operation, based on the structural foundation, the method comprises the following steps:
the operator pulls the charging door 7, the charging door 7 drives the charging door shaft 6 to move upwards, the internal spline 301 and the external spline 601 are separated, the spring 4 is stretched, the power transmission between the direct current motor 1 and the charging door 7 is cut off, and the charging door 7 can rotate freely;
when the operator releases the charging door 7, the spring 4 rebounds, the charging door shaft 6 moves downwards, the internal spline 301 and the external spline 601 are meshed, and at the moment, the whole device is restored to a state which can be both electric and manual.
Example 2
The convenient and manually-operated automatic opening and closing device for the charging door of the electric automobile shown in fig. 1 comprises a direct current motor 1, a worm 2, a bevel gear 3, a spring 4, a nut 5, a charging door shaft 6 and a charging door 7. The worm 2 is arranged on a rotating main shaft of the direct current motor 1, and the worm 2 is meshed with the bevel gear 3 to form a worm bevel gear pair.
In addition, the charging port door shaft 6 is arranged in the charging port door 7, a group of external splines 601 are arranged at the upper part of the charging port door shaft 6, and external threads 602 are arranged at the top part of the charging port door shaft; the charging port door shaft 6 is provided with a bevel gear 3, a group of internal splines 301 are arranged in the bevel gear 3, and the internal splines 301 are meshed with the external splines 601, so that the bevel gear is rigidly connected with the charging port door shaft, and power is transmitted. And a spring 4 is arranged on the bevel gear 3, and a gasket 8 is further arranged between the nut 5 and the spring 4. The gasket 8 is concentrically arranged with the nut 5 and the charging port door shaft 6, is matched with the external thread of the charging port door shaft 6, and fixes the spring 4 on the charging port door shaft 6 through the nut 5, and the spring 4 has different pressures to act on the bevel gear 3 through adjusting the mounting position of the nut 5. In addition, a bearing 9 is further arranged on the charging port door shaft 6, and the bearing 9 is arranged at the lower part of the bevel gear 3. Further, the above-mentioned portable manually-operated automatic opening and closing device for the electric automobile charging door is characterized in that the charging door shaft 6 is further provided with an angle control module 10, the angle control module 10 comprises a magnetic ring 101 and an angle detection device 102, the magnetic ring 101 is arranged on the charging door shaft 6 and between the bearing 9 and the charging door 7, and the angle detection device 102 and the magnetic ring 101 are positioned on the same horizontal plane and at a certain distance from the magnetic ring 101. Wherein the angle detection device 102 may be an angle sensor or a micro switch according to the selection.
In addition, the above-mentioned portable manually-operated automatic opening and closing device for the electric automobile charging door further comprises a whole vehicle ECU control module 12, as shown in fig. 2, wherein the whole vehicle ECU control module 12 is electrically connected with the motor 1 and the angle control module 10. The integral ECU control module 12 is arranged at other positions in the automobile and is electrically connected with the whole electric automobile charging door automatic opening and closing device which can be manually operated.
During operation, based on the structural foundation, during automatic operation, the method comprises the following steps:
the whole vehicle ECU control module 12 receives an execution signal sent by the angle control module 10, the whole vehicle ECU control module 12 controls the direct current motor 1 to be electrified, the direct current motor 1 rotates, the direct current motor 1 drives the bevel gear 3 to rotate by driving the worm 2, the internal spline 301 on the bevel gear 3 is meshed with the external spline 601 on the charging port door shaft 6, the bevel gear 3 drives the charging port door shaft 6 to rotate, and the charging port door shaft 6 drives the charging port door 7 to rotate, so that door opening actions are completed;
the whole vehicle ECU control module 12 receives a stop signal sent by the angle control module 10, the whole vehicle ECU control module 12 controls the direct current motor 1 to be electrified, the direct current motor 1 rotates, the direct current motor 1 drives the worm 2 to reversely rotate to push the bevel gear 3 to reversely rotate, the internal spline 301 on the bevel gear 3 is meshed with the external spline 601 on the charging port door shaft 6, the bevel gear 3 drives the charging port door shaft 6 to reversely rotate, and the charging port door shaft 6 drives the charging port door 7 to reversely rotate to finish the door closing action.
When in manual work, the method comprises the following steps:
the operator pulls the charging door 7, the charging door 7 drives the charging door shaft 6 to move upwards, the internal spline 301 and the external spline 601 are separated, the spring 4 is stretched, the power transmission between the direct current motor 1 and the charging door 7 is cut off, and the charging door 7 can rotate freely;
when the operator releases the charging door 7, the spring 4 rebounds, the charging door shaft 6 moves downwards, the internal spline 301 and the external spline 601 are meshed, and at the moment, the whole device is restored to a state which can be both electric and manual.
Example 3
The convenient and manually-operated automatic opening and closing device for the charging door of the electric automobile shown in fig. 1 comprises a direct current motor 1, a worm 2, a bevel gear 3, a spring 4, a nut 5, a charging door shaft 6 and a charging door 7. The motor 1 is provided with a speed reduction module 11, the speed reduction module 11 is connected with a main shaft of the direct current motor 1 and is mechanically connected with the motor through a shell, the worm 2 is arranged on an output shaft of the speed reduction module 11, and the worm 2 is meshed with the bevel gear 3 to form a worm bevel gear pair.
In addition, the charging port door shaft 6 is arranged in the charging port door 7, a group of external splines 601 are arranged at the upper part of the charging port door shaft 6, and external threads 602 are arranged at the top part of the charging port door shaft; the charging port door shaft 6 is provided with a bevel gear 3, a group of internal splines 301 are arranged in the bevel gear 3, and the internal splines 301 are meshed with the external splines 601, so that the bevel gear is rigidly connected with the charging port door shaft, and power is transmitted. And a spring 4 is arranged on the bevel gear 3, and a gasket 8 is further arranged between the nut 5 and the spring 4. The gasket 8 is concentrically arranged with the nut 5 and the charging port door shaft 6, is matched with the external thread of the charging port door shaft 6, and fixes the spring 4 on the charging port door shaft 6 through the nut 5, and the spring 4 has different pressures to act on the bevel gear 3 through adjusting the mounting position of the nut 5. In addition, a bearing 9 is further arranged on the charging port door shaft 6, and the bearing 9 is arranged at the lower part of the bevel gear 3. Further, the above-mentioned portable manually-operated automatic opening and closing device for the electric automobile charging door is characterized in that the charging door shaft 6 is further provided with an angle control module 10, the angle control module 10 comprises a magnetic ring 101 and an angle detection device 102, the magnetic ring 101 is arranged on the charging door shaft 6 and between the bearing 9 and the charging door 7, and the angle detection device 102 and the magnetic ring 101 are positioned on the same horizontal plane and at a certain distance from the magnetic ring 101. Wherein the angle detection device 102 may be an angle sensor or a micro switch according to the selection.
In addition, the above-mentioned portable manually-operated automatic opening and closing device for the electric automobile charging door further comprises a whole vehicle ECU control module 12, as shown in fig. 2, wherein the whole vehicle ECU control module 12 is electrically connected with the motor 1 and the angle control module 10. The integral ECU control module 12 is arranged at other positions in the automobile and is electrically connected with the whole electric automobile charging door automatic opening and closing device which can be manually operated.
In operation, based on the above structural foundation, in automatic operation, as shown in fig. 3, the method comprises the following steps:
an operator controls a charge opening and closing button in the vehicle, the whole vehicle ECU control module 12 receives an execution signal sent by the angle control module 10, the whole vehicle ECU control module 12 controls the direct current motor 1 to be electrified, the direct current motor 1 rotates, the direct current motor 1 drives the speed reduction module 11 to rotate, a main shaft of the speed reduction module 11 drives the bevel gear 3 to rotate by driving the worm 2, an internal spline 301 on the bevel gear 3 is meshed with an external spline 601 on the charge opening door shaft 6, the bevel gear 3 drives the charge opening door shaft 6 to rotate, and the charge opening door shaft 6 drives the charge opening door 7 to rotate, so that the door opening action is completed;
the operator controls the opening and closing charge port button in the car, the whole car ECU control module 12 receives the stop signal that angle control module 10 sent, whole car ECU control module 12 controls direct current motor 1 to switch on, direct current motor 1 rotates, direct current motor 1 promotes the reverse rotation of speed reduction module 11, the main shaft of speed reduction module 11 is through driving worm 2 reverse rotation, promote helical gear 3 reverse rotation, the internal spline 301 on helical gear 3 meshes with the external spline 601 on the charge port door-holder 6, helical gear 3 drives charge port door-holder 6 reverse rotation, charge port door-holder 6 drives charge port door-holder 7 reverse rotation, accomplish the action of closing the door.
When in manual work, the method comprises the following steps:
the operator pulls the charging door 7, the charging door 7 drives the charging door shaft 6 to move upwards, the internal spline 301 and the external spline 601 are separated, the spring 4 is stretched, the power transmission between the direct current motor 1 and the charging door 7 is cut off, and the charging door 7 can rotate freely;
when the operator releases the charging door 7, the spring 4 rebounds, the charging door shaft 6 moves downwards, the internal spline 301 and the external spline 601 are meshed, and at the moment, the whole device is restored to a state which can be both electric and manual.
The foregoing is merely a preferred embodiment of the invention, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the invention, which modifications would also be considered to be within the scope of the invention.
Claims (9)
1. A working method of an automatic opening and closing device of an electric automobile charging door, which is convenient and manually operated, is characterized by comprising the following steps: the charging door comprises a motor (1), a worm (2), a bevel gear (3), a spring (4), a nut (5), a charging door shaft (6) and a charging door (7), wherein the charging door shaft (6) is arranged in the charging door (7), a group of external splines (601) are arranged on the upper part of the charging door shaft (6), and external threads (602) are arranged on the top of the charging door shaft; a bevel gear (3) is arranged on the charging port door shaft (6), a group of internal splines (301) are arranged in the bevel gear (3), and the internal splines (301) are meshed with external splines (601); a spring (4) is arranged on the bevel gear (3), and the spring (4) is fixed on a charging port door shaft (6) through a nut (5); the worm (2) is arranged on a rotating main shaft of the motor (1), and the worm (2) is meshed with the bevel gear (3);
when the electric charging device is operated manually, the charging door (7) is lifted, the charging door (7) drives the charging door shaft (6) to move upwards, the internal spline (301) and the external spline (601) are separated, the spring (4) is stretched, the power transmission between the motor (1) and the charging door (7) is cut off, and the charging door (7) can rotate freely;
the charging door (7) is released, the spring (4) rebounds, the charging door shaft (6) moves downwards, and the internal spline (301) is meshed with the external spline (601).
2. The method for operating the portable manually operable automatic opening and closing device for the electric vehicle charging door according to claim 1, wherein: a gasket (8) is also arranged between the nut (5) and the spring (4).
3. The method for operating the portable manually operable automatic opening and closing device for the electric vehicle charging door according to claim 1, wherein: the charging port door shaft (6) is also provided with a bearing (9), and the bearing (9) is arranged at the lower part of the bevel gear (3).
4. The method for operating a portable manually operable automatic opening and closing device for a charge door of an electric vehicle according to claim 3, wherein: the charging door shaft (6) is further provided with an angle control module (10), the angle control module (10) comprises a magnetic ring (101) and an angle detection device (102), the magnetic ring (101) is arranged on the charging door shaft (6) and between the bearing (9) and the charging door (7), and the angle detection device (102) and the magnetic ring (101) are located on the same horizontal plane.
5. The method for operating the portable manually operable automatic opening and closing device for the electric vehicle charging door according to claim 4, wherein: the angle detection device (102) comprises an angle sensor and a micro switch.
6. The method for operating the portable manually operable automatic opening and closing device for the electric vehicle charging door according to claim 1, wherein: the motor (1) is provided with a speed reduction module (11).
7. The method for operating the portable manually operable automatic opening and closing device for the electric vehicle charging door according to claim 1, wherein: the motor (1) is a direct current motor (1).
8. The method for operating the portable manually operable automatic opening and closing device for a charge door of an electric vehicle according to any one of claims 4 to 7, wherein: the intelligent control system further comprises a whole vehicle ECU control module (12), wherein the whole vehicle ECU control module (12) is electrically connected with the motor (1) and the angle control module (10).
9. The method for operating the portable manually operable automatic opening and closing device for the electric vehicle charging door according to claim 8, wherein: the method comprises the following steps:
when the automatic charging door is automatically operated, the whole vehicle ECU control module (12) receives an execution signal sent by the angle control module (10), the whole vehicle ECU control module (12) controls the motor (1) to be electrified, the motor (1) rotates, the motor (1) drives the bevel gear (3) to rotate by driving the worm (2), the internal spline (301) on the bevel gear (3) is meshed with the external spline (601) on the charging door shaft (6), the bevel gear (3) drives the charging door shaft (6) to rotate, and the charging door shaft (6) drives the charging door (7) to rotate, so that the door opening action is completed;
the whole vehicle ECU control module (12) receives a stop signal sent by the angle control module (10), the whole vehicle ECU control module (12) controls the motor (1) to be electrified, the motor (1) rotates, the motor (1) drives the worm (2) to reversely rotate, the bevel gear (3) is pushed to reversely rotate, the internal spline (301) on the bevel gear (3) is meshed with the external spline (601) on the charging door shaft (6), the bevel gear (3) drives the charging door shaft (6) to reversely rotate, and the charging door shaft (6) drives the charging door (7) to reversely rotate, so that the door closing action is completed.
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| CN109435640A (en) * | 2018-11-13 | 2019-03-08 | 宁波精华电子科技股份有限公司 | A kind of auto-manual actuator |
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| CN112127735B (en) * | 2020-09-09 | 2022-05-13 | 重庆海德世拉索系统（集团）有限公司 | Opening and closing driving device for energy source opening cover of automobile body |
| JP7439774B2 (en) | 2021-01-19 | 2024-02-28 | 豊田合成株式会社 | Lid opening/closing structure |
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