CN215883868U - Wireless charging electric trolley - Google Patents

Abstract

The utility model discloses a wireless charging electric trolley which comprises a trolley body, a weighing assembly, a wireless charging assembly and a steering driving assembly, wherein the wireless charging assembly is arranged on the trolley body; a vehicle body: the left end of the trolley is symmetrically and rotatably connected with a rotating column, the lower end of the rotating column is provided with a steering wheel, the right end of the lower surface of the trolley body is provided with a second double-shaft motor, and the end heads of output shafts of the second double-shaft motor are fixedly connected with driving wheels; a weighing assembly: the weighing assemblies are symmetrically arranged on the inner bottom surface of the vehicle body, the upper ends of the weighing assemblies are respectively connected with the inner wall of the through hole correspondingly arranged on the top plate of the vehicle body in a sliding manner, and the upper ends of the weighing assemblies are fixedly connected with the lower surface of the weighing plate; the wireless subassembly that charges: the wireless charging assembly is arranged at the right end of the inner bottom surface of the vehicle body, and corresponds to the opening position arranged on the right side wall of the vehicle body; this wireless electronic dolly that charges weighs to article in-process transporting it, prevents that the charging panel from being infected with the dust and contact failure, prolongs the life of charging panel.

Description

Wireless charging electric trolley

Technical Field

The utility model relates to the technical field of electric trolleys, in particular to a wireless charging electric trolley.

Background

In a factory, a carrying vehicle is often used for carrying goods, most of the existing heavy object carrying modes adopt manpower or related equipment, the defects of the manpower are obvious, the labor is very great, the efficiency is very low, some carrying equipment has large volume and large occupied area, the structure is complex, manual assistance is needed for lifting, the operation difficulty is high, the labor intensity of personnel is high, and certain risks exist, therefore, the electric carrying trolley is produced in due time, most of the existing electric carrying trolleys in the market adopt wired charging modes, the wired charging modes are bound by transmission lines, the occupied area is large, the operation of the wired charging modes is complicated, in addition, the problem of excessive abrasion of a plug port of charging equipment is very easy to appear in the operation process, in addition, the existing electric carrying trolleys do not have the weighing function, and the personnel are required to carry out independent weighing work, work efficiency is reduced, and for this reason, we propose a wireless electric dolly that charges.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the existing defects and provides a wireless charging electric trolley, which is used for weighing objects in the process of transferring the objects, adopts remote control to reduce the workload of operators, improves the working efficiency, prevents the charging plate from being polluted by dust and poor contact, prolongs the service life of the charging plate and can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a wireless charging electric trolley comprises a trolley body, a weighing assembly, a wireless charging assembly and a steering driving assembly;

a vehicle body: the left end of the trolley is symmetrically and rotatably connected with a rotating column, the lower end of the rotating column is provided with a steering wheel, the right end of the lower surface of the trolley body is provided with a second double-shaft motor, and the end heads of output shafts of the second double-shaft motor are fixedly connected with driving wheels;

a weighing assembly: the weighing assemblies are symmetrically arranged on the inner bottom surface of the vehicle body, the upper ends of the weighing assemblies are respectively connected with the inner wall of the through hole correspondingly arranged on the top plate of the vehicle body in a sliding manner, and the upper ends of the weighing assemblies are fixedly connected with the lower surface of the weighing plate;

the wireless subassembly that charges: the wireless charging assembly is arranged at the right end of the inner bottom surface of the vehicle body, and corresponds to the opening position arranged on the right side wall of the vehicle body;

a steering drive assembly: the steering driving component is fixedly connected with the two rotating columns respectively;

wherein: still include battery and singlechip, battery and singlechip all set up in the inside bottom surface of automobile body, the input of singlechip is connected to the output electricity of battery, the output of singlechip is connected to the input electricity of second biaxial motor, in-process of transporting article is weighed it, register the quantity of transporting, the holistic practicality of electric trolley has been improved, adopt remote control, easy operation is convenient, reduce operation personnel's work load, improve work efficiency, prevent that the charging panel is infected with the dust and contact failure, the life of extension charging panel.

Further, the weighing component comprises a weighing sensor, a spring and a support column, the weighing sensor is symmetrically arranged on the inner bottom surface of the car body, the support column is symmetrically arranged on the lower surface of the weighing plate, the support column is respectively in sliding connection with the inner wall of the through hole correspondingly arranged on the top plate of the car body, the spring is respectively movably sleeved on the outer arc surface of the support column, the spring is positioned between the annular plate and the weighing sensor, the lower end of the outer arc surface of the support column is arranged, the output end of the weighing sensor is electrically connected with the input end of the single chip microcomputer, and articles placed on the upper surface of the weighing plate are weighed.

Further, turn to drive assembly and include first double-shaft motor, flight and worm wheel, first double-shaft motor sets up in the inside bottom surface left end of automobile body, and the output shaft end of first double-shaft motor all is equipped with the flight, the worm wheel sets up respectively in the extrados upper end of rotary column, and the flight is connected with adjacent worm wheel meshing respectively, and the output of singlechip is connected to the input electricity of first double-shaft motor, and the drive automobile body turns to.

Further, the wireless charging assembly comprises a lead screw motor, a conical table, a wireless charging panel and an L-shaped plate, the lead screw motor is arranged at the right end of the inner bottom surface of the vehicle body, the conical table is in sliding connection with the inner wall of a dovetail groove formed in the middle of the right end of the inner bottom surface of the vehicle body, an output shaft of the lead screw motor is in threaded connection with the conical table, the wireless charging panel is arranged on the right side surface of the conical table, the L-shaped plate is provided with two sliding blocks which are arranged on the lower surface of the L-shaped plate and are in sliding connection with a sliding groove formed in the right end of the inner bottom surface of the vehicle body respectively, wedge blocks are arranged at the left end of the L-shaped plate and are in sliding connection with the inclined surface of the conical table respectively, the two L-shaped plates are installed in a matched mode, the L-shaped plate corresponds to an opening position formed in the right side wall of the vehicle body, the wireless charging panel is electrically connected with a charging connector of a storage battery through a lead wire, an output end of the single chip microcomputer is electrically connected with an input end of the lead screw motor, and the wireless charging panel is protected by adopting a hidden structure design, the service life is prolonged.

Further, still include reset spring, reset spring sets up the upper end between the relative medial surface of two L templates, makes two L templates can self-closing.

Furthermore, the front side of the vehicle body is provided with a display screen, and the output end of the display screen is electrically connected with the input end of the single chip microcomputer, so that the weighing value can be conveniently displayed.

Further, the electric trolley further comprises an infrared receiver and a remote controller, wherein the infrared receiver is arranged on the bottom surface inside the trolley body, the output end of the infrared receiver is electrically connected with the input end of the single chip microcomputer, and the output end of the remote controller is wirelessly and electrically connected with the input end of the infrared receiver, so that the electric trolley is conveniently controlled in a remote mode.

Compared with the prior art, the utility model has the beneficial effects that: this wireless electronic dolly that charges has following benefit:

1. the article that will transport are placed at the upper surface of weighing plate, the weighing plate is pressed down to the article case, the weighing plate drives the support column downstream, the annular plate that the support column set up through its outer cambered surface lower extreme presses down the spring, weighing sensor measures the pressure value of spring and sends measuring signal for the singlechip, the singlechip calculates the average value through calculating four weighing sensor's measuring result, then send the calculated result for the display screen and show, in-process of transporting article is weighed it, register the quantity of transporting, the holistic practicality of electronic dolly has been improved.

2. The infrared signal is sent to the infrared receiver through the remote controller, the infrared receiver sends the received infrared signal instruction to the single chip microcomputer, the single chip microcomputer controls the second double-shaft motor to work, the output shaft of the second double-shaft motor drives the adjacent driving wheels to rotate respectively, thereby driving the vehicle body to advance, the single chip microcomputer controls the first double-shaft motor to work, the output shaft of the first double-shaft motor drives the spiral piece to rotate respectively, the spiral piece drives the rotating column to rotate through meshing with the adjacent worm wheels, the rotating column drives the steering wheel to rotate, thereby changing the advancing direction of the vehicle body, the remote control is adopted, the operation is simple and convenient, the workload of operators is reduced, and the working efficiency is improved.

3. When the storage battery needs to be charged, the lead screw motor is controlled to rotate through the single chip microcomputer, the output shaft of the lead screw motor drives the conical table to move towards the right side, the conical table respectively pushes the wedge blocks at the left ends of the two L-shaped plates to move towards the opposite direction, meanwhile, the two L-shaped plates move in the opposite direction to avoid the wireless charging plate, the conical table drives the charging plate to move towards the right end of the vehicle body, the charging plate is in contact with an external wireless charger to charge the storage battery, after charging is completed, the lead screw motor rotates in the opposite direction, the conical table moves towards the left to push the wedge blocks, the two L-shaped plates reset under the tension action of the reset spring, so that an opening formed in the right side wall of the vehicle body is closed, dust entering is reduced, the charging plate is prevented from being infected with dust and having poor contact, and the service life of the charging plate is prolonged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention.

In the figure: the device comprises a vehicle body 1, a steering wheel 2, a display screen 3, an infrared receiver 4, a weighing plate 5, a weighing assembly 6, a weighing sensor 61, a spring 62, a supporting column 63, a wireless charging assembly 7, a screw motor 71, a conical table 72, a wireless charging plate 73, a type 74L plate, a steering driving assembly 8, a first double-shaft motor 81, a spiral plate 82, a worm gear 83, a rotating column 9, a storage battery 10, a single chip microcomputer 11, a remote controller 12, a reset spring 13, a driving wheel 14 and a second double-shaft motor 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present embodiment provides a technical solution: a wireless charging electric trolley comprises a trolley body 1, a weighing assembly 6, a wireless charging assembly 7 and a steering driving assembly 8;

vehicle body 1: the left end of the trolley is symmetrically and rotatably connected with a rotating column 9, the lower end of the rotating column 9 is provided with a steering wheel 2, the right end of the lower surface of the trolley body 1 is provided with a second double-shaft motor 15, the output shaft end of the second double-shaft motor 15 is fixedly connected with a driving wheel 14, the singlechip 11 controls the second double-shaft motor 15 to work, and the output shafts of the second double-shaft motor 15 respectively drive the adjacent driving wheels 14 to rotate, so that the trolley body 1 is driven to move forwards;

wherein: still include battery 10 and singlechip 11, battery 10 and singlechip 11 all set up in the inside bottom surface of automobile body 1, and singlechip 11's input is connected to battery 10's output electricity, and singlechip 11's output is connected to the input electricity of second double-shaft motor 15, and the leading flank of automobile body 1 is equipped with display screen 3, and singlechip 11's input is connected to display screen 3's output electricity, is convenient for show the weighing value.

The weighing assembly 6: the weighing device is symmetrically arranged on the inner bottom surface of a vehicle body 1, the upper ends of weighing components 6 are respectively in sliding connection with the inner wall of a through hole correspondingly arranged on a top plate of the vehicle body 1, the upper ends of the weighing components 6 are respectively fixedly connected with the lower surface of a weighing plate 5, each weighing component 6 comprises a weighing sensor 61, a spring 62 and a supporting column 63, the weighing sensors 61 are symmetrically arranged on the inner bottom surface of the vehicle body 1, the supporting columns 63 are symmetrically arranged on the lower surface of the weighing plate 5, the supporting columns 63 are respectively in sliding connection with the inner wall of the through hole correspondingly arranged on the top plate of the vehicle body 1, the springs 62 are respectively movably sleeved on the outer arc surfaces of the supporting columns 63, the springs 62 are positioned between an annular plate arranged at the lower ends of the outer arc surfaces of the supporting columns 63 and the weighing sensors 61, the output ends of the weighing sensors 61 are electrically connected with the input end of a single chip microcomputer 11, transported articles are placed on the upper surface of the weighing plate 5, a weighing plate 5 is pressed down by an article box, the supporting columns 63 are driven by the weighing plate 5 to move downwards, the supporting column 63 presses the spring 62 downwards through an annular plate arranged at the lower end of the outer arc surface of the supporting column, the weighing sensors 61 measure the pressure value of the spring 62 and send the measurement signal to the single chip microcomputer 11, the single chip microcomputer 11 calculates the average value through calculating the measurement results of the four weighing sensors 61, and then sends the calculation result to the display screen 3 for displaying;

wireless charging assembly 7: the wireless charging assembly 7 is arranged at the right end of the inner bottom surface of the vehicle body 1, the wireless charging assembly 7 corresponds to an opening position arranged on the right side wall of the vehicle body 1, the wireless charging assembly 7 comprises a screw rod motor 71, a conical table 72, a wireless charging plate 73 and an L-shaped plate 74, the screw rod motor 71 is arranged at the right end of the inner bottom surface of the vehicle body 1, the conical table 72 is in sliding connection with the inner wall of a dovetail groove arranged in the middle of the right end of the inner bottom surface of the vehicle body 1, an output shaft of the screw rod motor 71 is in threaded connection with the conical table 72, the wireless charging plate 73 is arranged on the right side surface of the conical table 72, the L-shaped plate 74 is provided with two sliding blocks which are respectively in sliding connection with sliding grooves arranged on the right end of the inner bottom surface of the vehicle body 1 through sliding blocks arranged on the lower surface of the L-shaped plate 74, wedge blocks are respectively in sliding connection with an inclined plane of the conical table 72, the two L-shaped plates 74 are installed in a matching mode, and the L-shaped plate 74 corresponds to the opening position arranged on the right side wall of the vehicle body 1, the wireless charging plate 73 is electrically connected with a charging connector of the storage battery 10 through a lead, the output end of the single chip microcomputer 11 is electrically connected with the input end of the screw rod motor 71, when the storage battery 10 needs to be charged, the screw rod motor 71 is controlled to rotate through the single chip microcomputer 11, the output shaft of the screw rod motor 71 drives the conical table 72 to move towards the right side, the conical table 72 respectively pushes the wedge blocks at the left ends of the two L-shaped plates 74 to move towards opposite directions, meanwhile, the two L-shaped plates 74 move in opposite directions to avoid the wireless charging plate 73, the conical table 72 drives the charging plate 73 to move to the right end of the vehicle body 1, the charging plate 73 is in contact with an external wireless charger to charge the storage battery 10, after charging is completed, the screw rod motor 71 rotates in opposite directions, the conical table 72 moves towards the left to contact with pushing of the wedge blocks, the two L-shaped plates 74 reset under the action of the pulling force of the reset spring 13, so that an opening formed in the right side wall of the vehicle body 1 is sealed, the dust is reduced, the charging plate 73 is prevented from being stained with dust and poor contact is prevented, and the service life of the charging plate 73 is prolonged;

wherein: the automatic closing device further comprises a return spring 13, wherein the return spring 13 is arranged at the upper end between the opposite inner side surfaces of the two L-shaped plates 74, so that the two L-shaped plates 74 can be automatically closed;

steering drive assembly 8: the steering driving component 8 is fixedly connected with the two rotary columns 9 respectively, the steering driving component 8 comprises a first double-shaft motor 81, spiral pieces 82 and worm wheels 83, the first double-shaft motor 81 is arranged at the left end of the inner bottom surface of the vehicle body 1, the spiral pieces 82 are arranged at the end heads of the output shafts of the first double-shaft motor 81, the worm wheels 83 are arranged at the upper ends of the outer arc surfaces of the rotary columns 9 respectively, the spiral pieces 82 are meshed with the adjacent worm wheels 83 respectively, the input end of the first double-shaft motor 81 is electrically connected with the output end of the single chip microcomputer 11, infrared signals are sent to the infrared receiver 4 through the remote controller 12, the infrared receiver 4 sends received infrared signal instructions to the single chip microcomputer 11, the single chip microcomputer 11 controls the second double-shaft motor 15 to work, the output shafts of the second double-shaft motor 15 drive the adjacent driving wheels 14 to rotate respectively, so as to drive the vehicle body 1 to advance, the single chip microcomputer 11 controls the first double-shaft motor 81 to work, the output shafts of the first double-shaft motor 81 respectively drive the spiral sheets 82 to rotate, the spiral sheets 82 drive the rotary columns 9 to rotate by being meshed with the adjacent worm gears 83, and the rotary columns 9 drive the steering wheels 2 to rotate, so that the advancing direction of the vehicle body 1 is changed;

wherein: still include infrared receiver 4 and remote controller 12, infrared receiver 4 sets up in the inside bottom surface of automobile body 1, and singlechip 11's input is connected to infrared receiver 4's output electricity, and remote control is convenient for carry out remote control to electronic dolly to remote control of remote controller 12's output and infrared receiver 4's input radio connection.

The working principle of the wireless charging electric trolley provided by the utility model is as follows:

placing the transported object on the upper surface of a weighing plate 5, pressing the weighing plate 5 downwards by an object box, driving a support column 63 to move downwards by the weighing plate 5, pressing a spring 62 downwards by the support column 63 through an annular plate arranged at the lower end of the outer arc surface of the support column 63, measuring the pressure value of the spring 62 by a weighing sensor 61 and sending the measurement signal to a single chip microcomputer 11, calculating the average value of the measurement results of four weighing sensors 61 by the single chip microcomputer 11, then sending the calculation result to a display screen 3 for displaying, sending an infrared signal to an infrared receiver 4 through a remote controller 12, sending the received infrared signal instruction to the single chip microcomputer 11 by the infrared receiver 4, controlling a second double-shaft motor 15 to work by the single chip microcomputer 11, driving adjacent driving wheels 14 to rotate by output shafts of the second double-shaft motor 15 respectively, thereby driving a vehicle body 1 to advance, controlling a first double-shaft motor 81 to work by the single chip microcomputer 11, driving spiral sheets 82 to rotate by output shafts of the first double-shaft motor 81 respectively, the spiral sheet 82 drives the rotary column 9 to rotate through meshing with the adjacent worm wheel 83, the rotary column 9 drives the steering wheel 2 to rotate, thereby changing the advancing direction of the vehicle body 1, when the storage battery 10 needs to be charged, the single chip microcomputer 11 controls the screw rod motor 71 to rotate, the output shaft of the screw rod motor 71 drives the conical table 72 to move towards the right side, the conical table 72 respectively pushes the wedge blocks at the left ends of the two L-shaped plates 74 to move towards opposite directions, meanwhile, the two L-shaped plates 74 move in opposite directions to avoid the wireless charging plate 73, the conical table 72 drives the charging plate 73 to move to the right end of the vehicle body 1, the charging plate 73 is contacted with an external wireless charger to charge the storage battery 10, after charging is completed, the screw rod motor 71 rotates in opposite directions, the conical table 72 moves towards the left to contact with the pushing of the wedge blocks, the two L-shaped plates 74 reset under the tensile force of the reset spring 13, thereby closing an opening arranged on the right side wall of the vehicle body 1, the dust is prevented from entering, the charging plate 73 is prevented from being stained with dust and poor in contact, and the service life of the charging plate 73 is prolonged.

It should be noted that the display screen 3, the infrared receiver 4, the weighing sensor 61, the lead screw motor 71, the first dual-axis motor 81, the remote controller 12 and the second dual-axis motor 15 disclosed in the above embodiments can be freely configured according to practical application scenarios, the weighing sensor 61 is proposed to use the cylindrical sensor GNS-Y05, the lead screw motor 71 is proposed to use 42 series stepping motors, and the single chip microcomputer 11 controls the display screen 3, the infrared receiver 4, the weighing sensor 61, the lead screw motor 71, the first dual-axis motor 81, the remote controller 12 and the second dual-axis motor 15 to operate by using a method commonly used in the prior art.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (7)

1. The utility model provides a wireless electronic dolly that charges which characterized in that: comprises a vehicle body (1), a weighing component (6), a wireless charging component (7) and a steering driving component (8);

vehicle body (1): the left end of the trolley is symmetrically and rotatably connected with a rotating column (9), the lower ends of the rotating columns (9) are respectively provided with a steering wheel (2), the right end of the lower surface of the trolley body (1) is provided with a second double-shaft motor (15), and the end heads of output shafts of the second double-shaft motors (15) are respectively and fixedly connected with a driving wheel (14);

weighing assembly (6): the weighing assemblies (6) are symmetrically arranged on the inner bottom surface of the vehicle body (1), the upper ends of the weighing assemblies (6) are respectively in sliding connection with the inner walls of through holes correspondingly arranged on the top plate of the vehicle body (1), and the upper ends of the weighing assemblies (6) are fixedly connected with the lower surface of the weighing plate (5);

wireless charging assembly (7): the wireless charging assembly (7) is arranged at the right end of the inner bottom surface of the vehicle body (1) and corresponds to an opening position arranged on the right side wall of the vehicle body (1);

steering drive assembly (8): the steering driving component (8) is arranged at the left end of the bottom surface in the vehicle body (1) and is fixedly connected with the two rotary columns (9) respectively;

wherein: the automobile body is characterized by further comprising a storage battery (10) and a single chip microcomputer (11), wherein the storage battery (10) and the single chip microcomputer (11) are arranged on the inner bottom surface of the automobile body (1), the output end of the storage battery (10) is electrically connected with the input end of the single chip microcomputer (11), and the input end of a second double-shaft motor (15) is electrically connected with the output end of the single chip microcomputer (11).

2. The wireless charging electric trolley according to claim 1, characterized in that: weighing component (6) includes weighing sensor (61), spring (62) and support column (63), weighing sensor (61) symmetry sets up in the inside bottom surface of automobile body (1), support column (63) symmetry sets up in the lower surface of weighing plate (5), and support column (63) correspond the through-hole inner wall sliding connection who sets up with automobile body (1) roof respectively, spring (62) activity respectively cup joints in the extrados of support column (63), and between spring (62) were located the annular plate and the weighing sensor (61) that support column (63) extrados lower extreme set up, the input of singlechip (11) was connected to the output electricity of weighing sensor (61).

3. The wireless charging electric trolley according to claim 1, characterized in that: turn to drive assembly (8) and include first double-shaft motor (81), flight (82) and worm wheel (83), first double-shaft motor (81) set up in the inside bottom surface left end of automobile body (1), and the output shaft end of first double-shaft motor (81) all is equipped with flight (82), worm wheel (83) set up respectively in the extrados upper end of rotary column (9), and flight (82) are connected with adjacent worm wheel (83) meshing respectively, and the output of singlechip (11) is connected to the input electricity of first double-shaft motor (81).

4. The wireless charging electric trolley according to claim 1, characterized in that: the wireless charging assembly (7) comprises a screw rod motor (71), a conical table (72), a wireless charging plate (73) and an L-shaped plate (74), the screw rod motor (71) is arranged at the right end of the inner bottom surface of the vehicle body (1), the conical table (72) is in sliding connection with the inner wall of a dovetail groove formed in the middle of the right end of the inner bottom surface of the vehicle body (1), an output shaft of the screw rod motor (71) is in threaded connection with the conical table (72), the wireless charging plate (73) is arranged on the right side surface of the conical table (72), the L-shaped plate (74) is provided with two sliding blocks which are respectively arranged on the lower surface of the L-shaped plate and are in sliding connection with sliding grooves formed in the right end of the inner bottom surface of the vehicle body (1), wedge blocks are respectively in sliding connection with inclined surfaces of the conical table (72) at the left end of the L-shaped plate (74), the two L-shaped plates (74) are installed in a matched mode, the L-shaped plate (74) corresponds to an opening position formed in the right side wall of the vehicle body (1), the wireless charging plate (73) is electrically connected with a charging connector of the storage battery (10) through a wire, and the output end of the single chip microcomputer (11) is electrically connected with the input end of the screw motor (71).

5. The wireless charging electric trolley according to claim 4, characterized in that: still include reset spring (13), reset spring (13) set up the upper end between the relative medial surface of two L templates (74).

6. The wireless charging electric trolley according to claim 1, characterized in that: the front side of the vehicle body (1) is provided with a display screen (3), and the output end of the display screen (3) is electrically connected with the input end of the singlechip (11).

7. The wireless charging electric trolley according to claim 1, characterized in that: the automobile body is characterized by further comprising an infrared receiver (4) and a remote controller (12), wherein the infrared receiver (4) is arranged on the bottom surface of the inside of the automobile body (1), the output end of the infrared receiver (4) is electrically connected with the input end of the single chip microcomputer (11), and the output end of the remote controller (12) is wirelessly connected with the input end of the infrared receiver (4).

Images