CN112675558A

CN112675558A - Automatic continuous voyage system for current detection of electric toy

Info

Publication number: CN112675558A
Application number: CN202011551951.XA
Authority: CN
Inventors: 邓艳乒
Original assignee: Nanjing Armored Bear Toy Co ltd
Current assignee: Nanjing Armored Bear Toy Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-04-20

Abstract

The invention discloses an automatic continuous voyage system for current detection of an electric toy, which comprises a machine body, wherein a battery replacing cavity is arranged in the machine body, a battery monitoring mechanism for monitoring current is arranged in the upper inner wall of the battery replacing cavity, a battery replacing mechanism for automatically replacing a battery with insufficient electric quantity is arranged in the rear inner wall at the right end in the battery replacing cavity, a power supply system can be used for monitoring the current of the toy battery, when the electric quantity contained in the battery is in a normal range, the power supply system can normally supply power to the toy, when the electric quantity contained in the battery is monitored to be lower, a standby power supply supplies power to the battery replacing mechanism and automatically removes an old battery, the standby battery is automatically pushed to a power supply position, so that the toy battery can be automatically replaced, the toy can normally work and the battery replacing mechanism stops working after the battery is replaced, and the current monitoring and the automatic battery replacing function are realized, the problem of complexity in manual battery replacement is solved.

Description

Automatic continuous voyage system for current detection of electric toy

Technical Field

The invention relates to the field of current detection, in particular to an automatic current detection cruising system for an electric toy.

Background

With toys becoming more and more diversified and technologized, most toys can be loaded with batteries and realize a part of play functions through power supply, and when the battery electric quantity is lower, normal work and use of the toys can be influenced.

At the present stage, when the battery in the toy is consumed to a certain amount and needs to be replaced, the battery needs to be manually unloaded and a new battery needs to be installed again, so that the current monitoring function is not available, and the battery cannot be automatically replaced when the electric quantity is low.

Disclosure of Invention

The invention aims to solve the technical problem of providing an automatic continuous voyage system for current detection of an electric toy, and solving the problems that the current content of a battery cannot be monitored, the battery cannot be automatically replaced and the like.

The invention is realized by the following technical scheme.

The invention discloses an automatic continuous voyage system for current detection of an electric toy, which comprises a machine body, wherein a battery replacing cavity is arranged in the machine body, a battery monitoring mechanism for monitoring current is arranged in the upper inner wall of the battery replacing cavity, and a battery replacing mechanism for automatically replacing a battery with insufficient electric quantity is arranged in the rear inner wall of the right end in the battery replacing cavity;

the battery replacing mechanism comprises a transmission cavity which is positioned in the rear inner wall at the right end of the battery replacing cavity and has an upward opening, two battery mounting blocks capable of moving left and right are arranged at the right end in the battery replacing cavity, two battery mounting cavities with forward openings are arranged in the battery mounting blocks, two groups of rollers capable of sliding on the rear inner wall of the battery replacing cavity are arranged at the rear ends of the battery mounting blocks, a socket with a backward opening is arranged at the middle rear end of each battery mounting block, a displacement cavity with a leftward opening is arranged in the right inner wall of the transmission cavity, a rack capable of moving left and right is arranged in the displacement cavity, a reset spring is connected between the right end surface of the rack and the right inner wall of the displacement cavity, an inserted bar which penetrates through the front and rear end surfaces of the rack and can move back and forth is arranged in the middle of the rack, the front end of the inserted bar extends into the, the novel battery rack is characterized in that a tension spring is connected between the front end face of the fixed plate and the rear end face of the rack, a triangular cavity with a left opening is formed in the front end of the inserted rod, a fixed rod located on the left side of the triangular cavity is fixed on the left inner wall of the transmission cavity, a baffle cavity with an opening facing the inserted rod is formed in the rack, a baffle capable of moving left and right is arranged in the baffle cavity, a reciprocating spring is connected between the right end face of the baffle and the right inner wall of the baffle cavity, an extrusion rod capable of moving left and right is arranged at the right end of the rack, a telescopic spring is connected between the left end face of the extrusion rod and the left inner wall of the telescopic cavity, a connecting rope is connected between the rear end face of the extrusion rod and the right end face of the baffle, an opening facing right is.

Further, be fixed with the motor on the inner wall behind the transmission chamber, motor front end power connection has the transmission shaft, be equipped with in the middle of the transmission shaft with rack lower terminal surface meshing's rotating gear, the rotating gear front end is equipped with the carousel, the carousel up end is fixed with a dead lever, be equipped with the ascending rotatory chamber of opening in the inner wall under the transmission chamber, it has the rotary rod to rotate on the inner wall around the rotatory chamber, be equipped with the commentaries on classics piece on the rotary rod, change piece left end face with be connected with pressure spring between the rotatory chamber left side inner wall, be connected with the one end of total rope on the commentaries on classics piece right-hand member face.

Furthermore, an opening is arranged in the upper inner wall and the lower inner wall in the middle of the battery replacement cavity, an electric break cavity of the battery replacement cavity is formed, one end, close to the battery replacement cavity, of the electric break cavity is provided with a conductive plate capable of moving up and down, the conductive plate is far away from one end face of the battery replacement cavity and the inner wall of the electric break cavity are connected with two supporting springs, the electric break cavity is far away from the inner wall of the battery replacement cavity, an opening is arranged in the inner wall of the battery replacement cavity, the conductive plate faces the pull rod cavity in the electric break cavity, a pull rod stretching into the pull rod cavity is fixedly arranged on one end face of the pull rod cavity, the pull rod is located at one end, connected with a pull rope, of the pull rope, and the other ends of the pull ropes are connected.

Further, the battery monitoring mechanism includes an output wire connected to an upper end of the conductive plate at an upper side, the output wire is connected in series with a current dial plate, the right side of the current dial plate is provided with a working cavity with a left opening, the left end of the working cavity is provided with a working block which can move left and right, a slide block cavity with a left opening is arranged in the working block, a slide block capable of moving up and down is arranged in the slide block cavity, a first spring is connected between the lower end surface of the slide block and the lower inner wall of the slide block cavity, a magnet is fixed on the right end face of the working block, an electromagnet is fixed on the right inner wall of the working cavity, two connecting springs are connected between the left end face of the electromagnet and the right inner wall of the magnet, a deflector rod which is positioned in the working cavity is fixed on the left end face of the sliding block, a pointer is arranged on the current dial plate, and a power line is electrically connected between the electromagnet and the output electric wire.

Further, be equipped with the ascending lift chamber of opening in the inner wall down in the working chamber, the lift intracavity is equipped with the elevator that can the up-and-down motion, be equipped with the ascending slide chamber of opening in the elevator, the slide intracavity is equipped with the slide that can the side-to-side motion, slide up end with be fixed with the connecting rod between the slider lower extreme face, the elevator under the terminal surface with be connected with two second springs under the lift chamber between the inner wall, be equipped with the dog chamber of opening left in the lift chamber right side inner wall, the dog intracavity is equipped with the dog that can the side-to-side motion, the dog right-hand member face with be connected with the third spring between the dog chamber right side inner wall.

Furthermore, a pushing block cavity with a right opening is arranged in the left inner wall of the battery replacing cavity, a pushing block capable of moving left and right is arranged in the pushing block cavity, a compression spring is connected between the left end surface of the pushing block and the left inner wall of the pushing block cavity, a cord is connected between the rear end surface of the pushing block and the right inner wall of the stop block, a fixture block cavity with a right opening is arranged in the left inner wall of the pull rod cavity, a fixture block capable of moving left and right is arranged in the fixture block cavity, an elastic spring is connected between the left end surface of the fixture block and the left inner wall of the fixture block cavity, a rope is connected with the left end surface of each of the two fixture blocks, one end of a hemp rope is connected with the front end surface of the pushing block, the other ends of the two ropes are connected with the other end of the hemp rope, a power-on cavity is arranged on the right side of the power-on upper side of the power-off cavity, a movable power, the battery replacement device is characterized in that a stay cord is connected between the movable electrified block and the left end face of the lifting block, a fixed conductive block is arranged at the right end of the electrified cavity, the fixed conductive block is electrically connected with the motor, one side and the right side are fixed in the upper inner wall of the right end of the battery replacement cavity, an electrified contact block in sliding contact with the upper end face of the battery installation block is arranged on the upper inner wall of the battery replacement cavity, an elastic spring is electrically connected between the electrified contact block and the movable electrified block, an opening communicated with the external space is arranged in the front inner wall of the left end of the battery replacement cavity, and a switch.

The invention has the beneficial effects that: this power supply system can carry out current monitoring to the toy battery, when the battery contains the electric quantity and is in normal scope, this power supply system normally supplies power to the toy, when monitoring that the battery contains the electric quantity lower, stand-by power supply supplies power and removes the old battery automatically for battery replacement mechanism, stand-by battery is by automatic propelling movement to power supply department, thereby can accomplish automatically and change the toy battery, this toy normally works and battery replacement mechanism stop work after the battery replacement finishes, realize the monitoring of electric current and change the battery function automatically, the loaded down with trivial details nature of artifical change battery has been solved.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram at A-A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the structure at B in FIG. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of the structure at C in FIG. 2 according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram at D-D in FIG. 2 according to an embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The automatic current-detecting cruising system for electric toys, which is described with reference to fig. 1-5, includes a body 10, a battery replacing cavity 38 is provided in the body 10, a battery monitoring mechanism 97 for monitoring current is provided in the upper inner wall of the battery replacing cavity 38, a battery replacing mechanism 98 for automatically replacing batteries with insufficient power is provided in the rear inner wall of the right end of the battery replacing cavity 38, the battery replacing mechanism 98 includes a transmission cavity 62 with an upward opening and located in the rear inner wall of the right end of the battery replacing cavity 38, two battery mounting blocks 34 capable of moving left and right are provided at the right end of the battery replacing cavity 38, two battery mounting cavities 35 with forward openings are provided in the battery mounting blocks 34, two sets of rollers 64 capable of sliding on the rear inner wall of the battery replacing cavity 38 are provided at the rear end of the battery mounting blocks 34, a socket 47 with a backward opening is provided at the rear end of the middle of the battery mounting blocks 34, a displacement cavity 50 with a leftward opening is arranged in the right inner wall of the transmission cavity 62, a rack 60 capable of moving left and right is arranged in the displacement cavity 50, a reset spring 51 is connected between the right end face of the rack 60 and the right inner wall of the displacement cavity 50, an insertion rod 48 which penetrates through the front and rear end faces of the rack 60 and can move front and back is arranged in the middle of the rack 60, the front end of the insertion rod 48 extends into the socket 47 on the right side, a fixing plate 57 is fixed on the rear end face of the insertion rod 48, a tension spring 56 is connected between the front end face of the fixing plate 57 and the rear end face of the rack 60, a triangular cavity 85 with a leftward opening is arranged at the front end of the insertion rod 48, a fixing rod 61 positioned on the left side of the triangular cavity 85 is fixed on the left inner wall of the transmission cavity 62, a baffle cavity 89 with an opening facing the insertion rod 48 is arranged in the rack 60, a baffle, a reciprocating spring 87 is connected between the right end face of the baffle 90 and the right inner wall of the baffle cavity 89, an extrusion rod 52 capable of moving left and right is arranged at the right end of the rack 60, an expansion spring 53 is connected between the left end face of the extrusion rod 52 and the left inner wall of the expansion cavity 54, a connecting rope 55 is connected between the rear end face of the extrusion rod 52 and the right end face of the baffle 90, an opening 86 with a rightward opening is arranged in the middle of the inserted rod 48, and two batteries 37 can be arranged in the battery mounting block 34.

Beneficially, be fixed with motor 91 on the inner wall behind transmission chamber 62, motor 91 front end power is connected with transmission shaft 88, be equipped with in the middle of the transmission shaft 88 with the rotatory gear 77 of rack 60 lower terminal surface meshing, rotatory gear 77 front end is equipped with carousel 93, carousel 93 upper end face is fixed with a dead lever 92, be equipped with the ascending rotatory chamber 96 of opening in the lower inner wall of transmission chamber 62, rotatory chamber 96 front and back inner wall is last to rotate has rotating rod 95, be equipped with on the rotating rod 95 and change the piece 94, it is connected with pressure spring 59 to change between the piece 94 left end face and the rotatory chamber 96 left inner wall, be connected with the one end of total rope 58 on the piece 94 right end face.

Beneficially, an electrical disconnection cavity 99 with an opening facing the battery replacement cavity 38 is disposed in each of upper and lower inner walls in the middle of the battery replacement cavity 38, a conductive plate 33 capable of moving up and down is disposed at one end, close to the battery replacement cavity 38, in the electrical disconnection cavity 99, two supporting springs 32 are connected between one end surface of the conductive plate 33, far away from the battery replacement cavity 38, and one inner wall of the electrical disconnection cavity 99, far away from the battery replacement cavity 38, is provided with a pull rod cavity 27 with an opening facing the electrical disconnection cavity 99, a pull rod 24 extending into the pull rod cavity 27 is fixed on one end surface of the conductive plate 33, far toward the pull rod cavity 27, the pull rod 24 is located on one end surface in the pull rod cavity 27, and one end of the pull ropes 26 is connected to the one end surface, and the other ends of the two pull ropes 26 are connected to the other end of the main rope 58.

Beneficially, the battery monitoring mechanism 97 includes an output wire 12 connected to the upper end of the conductive plate 33 on the upper side, a current dial 14 is connected in series to the output wire 12, a left-opened working chamber 66 is arranged on the right side of the current dial 14, a left-right movable working block 69 is arranged on the left end of the working chamber 66, a left-opened slider chamber 67 is arranged in the working block 69, a up-down movable slider 71 is arranged in the slider chamber 67, a first spring 75 is connected between the lower end surface of the slider 71 and the lower inner wall of the slider chamber 67, a magnet 74 is fixed on the right end surface of the working block 69, an electromagnet 73 is fixed on the right inner wall of the working chamber 66, two connecting springs 72 are connected between the left end surface of the electromagnet 73 and the right inner wall of the magnet 74, a shift lever 68 extending into the working chamber 66 is fixed on the left end surface of the slider 71, the current dial 14 is provided with, and an electrifying wire 17 is electrically connected between the electromagnet 73 and the output electric wire 12.

Beneficially, a lifting cavity 81 with an upward opening is formed in the lower inner wall of the working cavity 66, a lifting block 84 capable of moving up and down is arranged in the lifting cavity 81, a sliding plate cavity 83 with an upward opening is formed in the lifting block 84, a sliding plate 82 capable of moving left and right is arranged in the sliding plate cavity 83, a connecting rod 65 is fixed between the upper end surface of the sliding plate 82 and the lower end surface of the sliding block 71, two second springs 80 are connected between the lower end surface of the lifting block 84 and the lower inner wall of the lifting cavity 81, a stopper cavity 78 with a leftward opening is formed in the right inner wall of the lifting cavity 81, a stopper 79 capable of moving left and right is arranged in the stopper cavity 78, and a third spring 76 is connected between the right end surface of the stopper 79 and the right inner wall of the stopper cavity 78.

Beneficially, a pushing block cavity 41 with a right opening is arranged in the left inner wall of the battery replacing cavity 38, a pushing block 43 capable of moving left and right is arranged in the pushing block cavity 41, a compression spring 40 is connected between the left end surface of the pushing block 43 and the left inner wall of the pushing block cavity 41, a cord 39 is connected between the rear end surface of the pushing block 43 and the right inner wall of the stopper 79, a fixture cavity 31 with a right opening is arranged in the left inner wall of the pull rod cavity 27, a fixture block 28 capable of moving left and right is arranged in the fixture cavity 31, an elastic spring 29 is connected between the left end surface of the fixture block 28 and the left inner wall of the fixture block cavity 31, a cord 30 is connected to the left end surfaces of the two fixture blocks 28, one end of a hemp cord 42 is connected to the front end surface of the pushing block 43, the other ends of the two cords 30 are connected to the other end of the hemp cord 42, a power-on cavity 19 is arranged on the right side of the power-off cavity, remove circular telegram piece 21 left end face with be connected with elastic spring 22 between the circular telegram 19 left side inner wall in chamber, remove circular telegram piece 21 ancestor east peaceful sleep with be connected with stay cord 18 between the elevating block 84 left end face, circular telegram 19 right-hand member is equipped with fixed conducting block 20, fixed conducting block 20 with the motor 91 electricity is connected, the last inner wall internal fixation of battery change chamber 38 right-hand member have one with the right side circular telegram contact block 13 of battery installation piece 34 up end sliding contact, circular telegram contact block 13 with it has elastic spring 22 to move the electric connection between the circular telegram piece 21, be equipped with the opening 45 of intercommunication external space in the preceding inner wall of battery change chamber 38 left end, be equipped with switch 44 in the opening 45.

In an initial state, the upper and lower end faces of the battery mounting block 34 on the left side are respectively in contact with the conductive plate 33 on the upper side and the conductive plate 33 on the lower side, the magnet 74 and the electromagnet 73 are oppositely attracted, the left end of the shift lever 68 is located in the working cavity 66, the lifting block 84 is located at the upper end of the lifting cavity 81 under the action of the second spring 80, the pull rope 18 is in a tensioned state, the movable conductive block 21 is located on the left side of the fixed conductive block 20 under the action of the pulling force of the pull rope 18, the fixed conductive block 20 and the movable conductive block 21 are in a non-contact state, and the front end of the insertion rod 48 extends into the insertion opening 47 under the action of the tension spring 56.

The battery 37 in the battery installation block 34 on the left side supplies power to the toy, when the electric quantity is sufficient, the pointer 15 in the current dial 14 rotates clockwise by a larger angle, the electromagnet 73 and the magnet 74 attract each other in opposite polarity, the working block 69 and the poking rod 68 in the working block 69 are both positioned in the working cavity 66, the battery is in an electric quantity safety region, when the electric quantity of the battery is reduced, the current flowing through the electromagnet 73 is reduced, the magnetism is weakened, the working block 69 moves leftwards under the elastic force of the connecting spring 72, so that the poking rod 68 is driven to move leftwards, the left end of the poking rod 68 extends into the current dial 14, the pointer 15 in the current dial 14 rotates anticlockwise after the current is reduced, the leftward movement speed of the poking rod 68 under the elastic force of the connecting spring 72 is higher than the anticlockwise rotation speed of the pointer 15, the poking rod 68 is positioned on the upper side of the, thereby driving the slide block 71 and the connecting rod 65 on the slide block 71 to move upwards, the connecting rod 65 moves upwards to pull the lifting block 84 to move upwards through the slide plate 82, the lifting block 84 moves upwards to the upper side of the stop block 79, the stop block 79 moves leftwards under the elastic force of the third spring 76 to limit the lifting block 84, the lifting block 84 moves upwards to release the pull rope 18, the moving electrifying block 21 losing the pull force of the pull rope 18 moves rightwards under the elastic force of the elastic spring 22 to be contacted with the fixed conductive block 20, the battery 37 on the right side is electrified and started by the electrifying contact block 13, the moving electrifying block 21 and the fixed conductive block 20, the current monitoring is completed, and the automatic battery replacement is started;

the motor 91 works to drive the transmission shaft 88 and the rotating gear 77 and the rotating disc 93 on the transmission shaft 88 to rotate, the rotating gear 77 is just not meshed with the lower end face of the rack 60, the rotating disc 93 rotates to drive the fixing rod 92 to rotate to shift the rotating block 94, the rotating block 94 rotates to tension the main rope 58, so that the two pull ropes 26 are tensioned, the two conductive plates 33 move away from being in contact with the battery mounting block 34 under the action of the pulling force of one pull rope 26 respectively, at the moment, the two clamping blocks 28 move rightwards respectively under the action of the elastic force of the two elastic springs 29 and enter the clamping grooves 25, the two pull rods 24 and the two conductive plates 33 cannot move after being limited by the clamping blocks 28, after the rotating disc 93 rotates and shifts the rotating block 94, the rotating gear 77 just rotates to be meshed with the rack 60, and then the rotating gear 77 rotates to drive the inserted rod 48 to move leftwards, the inserted rod 48 moves leftwards to push the, therefore, a battery with normal electricity on the right side is pushed to the middle of the battery replacing cavity 38, after the rack 60 moves, the extrusion rod 52 is not extruded by the right inner wall of the displacement cavity 50 any more and moves rightwards under the elastic force of the expansion spring 53 to loosen the connecting rope 55, the baffle plate 90 loses the tension action of the connecting rope 55, after the battery replacement is completed, the inserted rod 48 moves to the fixed rod 61 to enter the triangular cavity 85 and pushes the inserted rod 48 downwards, the inserted rod 48 moves downwards to leave from the socket 47 and drive the opening 86 to move to the baffle plate 90, the baffle plate 90 moves leftwards under the elastic force of the reciprocating spring 87 to enter the opening 86, the battery mounting block 34 on the left side moves leftwards to enter the left side of the battery replacing cavity 38 and then extrudes the pushing block 43, the pushing block 43 moves leftwards to tighten the ropes 39 and the hemp ropes 42, the hemp ropes 42 tighten the two ropes 30, the two clamping blocks 28 move leftwards under the tension of the ropes 30 to leave from the clamping grooves 25, the pull rod 24 and the conductive plates 33 which are not limited by the fixture block 28 move and reset under the action of the elastic force of the supporting spring 32, the two conductive plates 33 are contacted with the upper end face and the lower end face of the battery mounting block 34 on the right side again, so that the battery is replaced, the electromagnet 73 is attracted to the magnet 74 in opposite polarity again, the shift lever 68 enters the working cavity 66, the stop 79 departs from the lower side of the lifting block 84 under the action of the pulling force of the wire 39, the lifting block 84 which is not limited by the stop 79 moves and resets downwards under the action of the pulling force of the second spring 80, so that the electric toy can work normally, the movable electrifying block 21 moves and resets leftwards under the action of the pulling force of the pulling rope 18, and the two battery mounting blocks 34 can be taken out through the opening switch 44 to.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an automatic continuation of journey system of electronic toy current detection, includes the fuselage, its characterized in that: a battery replacing cavity is arranged in the machine body, a battery monitoring mechanism for monitoring current is arranged in the upper inner wall of the battery replacing cavity, and a battery replacing mechanism for automatically replacing a battery with insufficient power is arranged in the rear inner wall of the right end of the battery replacing cavity;

2. The automatic current sensing cruising system of claim 1, wherein: be fixed with the motor on the inner wall behind the transmission chamber, motor front end power connection has the transmission shaft, be equipped with in the middle of the transmission shaft with rack lower extreme surface meshing's rotating gear, the rotating gear front end is equipped with the carousel, the carousel up end is fixed with a dead lever, be equipped with the ascending rotatory chamber of opening in the inner wall under the transmission chamber, it has the rotary rod to rotate on the inner wall around the rotatory chamber, be equipped with the commentaries on classics piece on the rotary rod, change piece left end face with be connected with pressure spring between the rotatory chamber left side inner wall, be connected with the one end of total rope on the commentaries on classics piece right-hand member face.

3. The automatic current sensing cruising system of claim 1, wherein: the battery replacement cavity is characterized in that an opening direction is arranged in the upper inner wall and the lower inner wall in the middle of the battery replacement cavity, an electricity breaking cavity of the battery replacement cavity is formed in the electricity breaking cavity, one end, close to the battery replacement cavity, of the electricity breaking cavity is provided with a current conducting plate capable of moving up and down, the current conducting plate is far away from a end face of the battery replacement cavity and is connected with two supporting springs between the inner wall of the electricity breaking cavity, the electricity breaking cavity is far away from the electricity breaking cavity, an opening direction is arranged in the inner wall of the battery replacement cavity, a pull rod cavity in the electricity breaking cavity is fixed with a pull rod extending into the pull rod cavity, the pull rod is located on the end face of the pull rod cavity, one end of a pull rope is connected with the other end of.

4. The automatic current sensing cruising system of claim 3, wherein: the battery monitoring mechanism comprises an output wire connected with the upper end of the conductive plate on the upper side, a current dial is connected on the output wire in series, the right side of the current dial is provided with a working cavity with a left opening, the left end of the working cavity is provided with a working block capable of moving left and right, a slide block cavity with a leftward opening is arranged in the working block, a slide block capable of moving up and down is arranged in the slide block cavity, a first spring is connected between the lower end surface of the slide block and the lower inner wall of the slide block cavity, a magnet is fixed on the right end surface of the working block, an electromagnet is fixed on the right inner wall of the working cavity, two connecting springs are connected between the left end surface of the electromagnet and the right inner wall of the magnet, a deflector rod which is positioned in the working cavity is fixed on the left end face of the sliding block, a pointer is arranged on the current dial plate, and a power line is electrically connected between the electromagnet and the output electric wire.

5. The automatic current sensing cruising system of claim 4, wherein: the lifting mechanism is characterized in that a lifting cavity with an upward opening is formed in the inner wall of the working cavity, a lifting block capable of moving up and down is arranged in the lifting cavity, a sliding plate cavity with an upward opening is formed in the lifting block, a sliding plate capable of moving left and right is arranged in the sliding plate cavity, a connecting rod is fixed between the upper end face of the sliding plate and the lower end face of the sliding block, two second springs are connected between the lower end face of the lifting block and the inner wall of the lifting cavity, a stop block cavity with a leftward opening is formed in the inner wall of the lifting cavity, a stop block capable of moving left and right is arranged in the stop block cavity, and a third spring is connected between the right end face of the.

6. The automatic current sensing cruising system of claim 4, wherein: a pushing block cavity with a right opening is arranged in the left inner wall of the battery replacing cavity, a pushing block capable of moving left and right is arranged in the pushing block cavity, a compression spring is connected between the left end surface of the pushing block and the left inner wall of the pushing block cavity, a cord is connected between the rear end surface of the pushing block and the right inner wall of the stop block, a clamping block cavity with a right opening is arranged in the left inner wall of the pull rod cavity, a clamping block capable of moving left and right is arranged in the clamping block cavity, an elastic spring is connected between the left end surface of the clamping block and the left inner wall of the clamping block cavity, a cord is connected with the left end surface of each of the two clamping blocks, one end of a hemp rope is connected with the front end surface of the pushing block, the other ends of the two cords are connected with the other end of the hemp rope, a power-on cavity is arranged on the right side of the power-on cavity on the upper side, a movable power-, the battery replacement device is characterized in that a stay cord is connected between the movable electrified block and the left end face of the lifting block, a fixed conductive block is arranged at the right end of the electrified cavity, the fixed conductive block is electrically connected with the motor, one side and the right side are fixed in the upper inner wall of the right end of the battery replacement cavity, an electrified contact block in sliding contact with the upper end face of the battery installation block is arranged on the upper inner wall of the battery replacement cavity, an elastic spring is electrically connected between the electrified contact block and the movable electrified block, an opening communicated with the external space is arranged in the front inner wall of the left end of the battery replacement cavity, and a switch.