CN214648734U

CN214648734U - Balance car and connector assembly thereof

Info

Publication number: CN214648734U
Application number: CN202120575263.0U
Authority: CN
Inventors: 张殿旋; 尹易; 周邓金
Original assignee: Shenzhen Jiangyou Import And Export Co ltd
Current assignee: Shenzhen Jiangyou Import And Export Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-11-09
Anticipated expiration: 2031-03-19

Abstract

A balance car and a connector assembly thereof are provided, wherein the balance car comprises a car body, a battery assembly, a controller and a sensor are arranged in the car body, and the battery assembly, the controller and the sensor are connected with a cable through the connector assembly; the connector assembly includes a first connector and a second connector; the first connector comprises a first shell and an insertion opening arranged on the first shell, the insertion opening is provided with a first signal connecting piece, one end of the first signal connecting piece is electrically connected with the cable, and the other end of the first signal connecting piece is exposed out of the end face of the insertion opening and is used for establishing electrical connection or communication connection with the second connector; the insertion opening is located on the outer peripheral side of the first housing, and the second connector and the first connector form a stacked structure after the second connector is inserted into the insertion opening from the side surface of the first connector.

Description

Balance car and connector assembly thereof

Technical Field

The utility model relates to a connector technical field especially relates to a balance car and connector assembly thereof.

Background

The balance vehicle, also called a body sensing vehicle, a thinking vehicle and the like, mainly comprises a single wheel and a double wheel on the market, the operation principle is mainly established on the basic principle called dynamic stability, a gyroscope and an acceleration sensor in the vehicle body are utilized to detect the change of the posture of the vehicle body, and a servo control system is utilized to accurately drive a motor to carry out corresponding adjustment so as to keep the balance of the system.

At present, the inside cable of balance car docks through the connector subassembly, but, when two cables butt joint, need reserve sufficient length, avoid the connector subassembly to reserve too short and can't dock together or need remove the cable to the outside of balance car and peg graft because of the cable, cause the cable easily like this and fold the problem of damage cable or increase redundant cable because of the overlength.

SUMMERY OF THE UTILITY MODEL

The utility model provides a balance car and connector component thereof can reduce redundant cable to reach the purpose that does not harm the cable and practice thrift the cost.

According to a first aspect of the present invention, the present invention provides a balance car, which comprises a car body, wherein a battery assembly, a controller and a sensor are arranged in the car body, and the battery assembly, the controller and the sensor are connected with a cable through a connector assembly;

the connector assembly includes a first connector and a second connector;

the first connector comprises a first shell and an insertion opening arranged on the first shell, the insertion opening is provided with a first signal connecting piece, one end of the first signal connecting piece is electrically connected with the cable, and the other end of the first signal connecting piece is exposed out of the end face of the insertion opening and is used for establishing electrical connection or communication connection with the second connector;

the insertion opening is located on the outer peripheral side of the first housing, and the second connector and the first connector form a stacked structure after the second connector is inserted into the insertion opening from the side surface of the first connector.

The utility model discloses in embodiment's the balance car, first connector still includes:

the first circuit board is accommodated in the first shell, one end of the first signal connecting piece is connected with the first circuit board, and the first circuit board is electrically connected with the cable.

In the balance car according to the embodiment of the present invention, the bottom surface of the first housing has at least one notch to constitute the insertion opening, and the other end of the first signal connection member is exposed from the bottom surface of the first housing or the end surfaces on both sides of the notch.

The utility model discloses in the embodiment's balance car, be equipped with the grid structure on the terminal surface of breach both sides, it is a plurality of first signal connection spare corresponds the setting and is in on every cell in the grid structure.

The utility model discloses in the balance car of embodiment, be equipped with first mounting on the first connector, be used for with the second mounting that corresponds on the second connector mutually supports, in order to incite somebody to action the second connector is fixed on the first connector.

The utility model discloses in the balance car of embodiment, one of them of first mounting and second mounting is magnet, another of first mounting and second mounting is magnet or magnetic metal spare.

The utility model discloses in the balance car of embodiment, first mounting is including setting up the inboard buckle part of first casing, the second mounting is including setting up the bayonet part in the second connector outside, the position of buckle part with the position of bayonet part is corresponding.

The utility model discloses in the embodiment's balance car, the automobile body includes casing and spacing portion, spacing portion sets up it is right to enclose on the casing the cable carries out spacing space.

The utility model discloses in embodiment's balance car, the second connector include the second signal connection spare and be used for with inserted hole complex bayonet joint, the setting of second signal connection spare is in the bayonet joint is followed the terminal surface of bayonet joint exposes.

According to the utility model discloses a second aspect, the utility model also provides a connector assembly, include:

a first connector and a second connector;

the first connector comprises a first shell and an insertion opening arranged on the first shell, the insertion opening is provided with a first signal connecting piece, one end of the first signal connecting piece is electrically connected with a cable, and the other end of the first signal connecting piece is exposed out of the end face of the insertion opening and is used for establishing electrical connection or communication connection with the second connector;

the insertion opening is positioned on the outer periphery side of the first shell, so that the second connector can form a laminated structure with the first connector after being inserted into the insertion opening.

The technical scheme provided by the embodiment of the application can have the following beneficial effects: the utility model provides a balance car and connector assembly thereof, because battery pack, be connected with the cable through the connector assembly between controller and the sensor, the connector assembly includes first connector and second connector, wherein, first connector includes first casing, the periphery side of first casing is provided with the inserted hole, make the second connector can follow the side grafting of first connector and form stacked structure at the inserted hole and with first connector, so not only can reduce redundant cable, and do not harm the cable and practice thrift the cost moreover.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic structural diagram of a balance car according to an embodiment of the present disclosure;

FIG. 2 is an exploded schematic view of the balance vehicle of FIG. 1;

FIG. 3 is a partially exploded view of the balance car of FIG. 1;

FIG. 4 is a schematic view of the connector assembly of FIG. 1;

FIG. 5 is a block diagram of the first connector of FIG. 4;

fig. 6 is a structural view of the second connector in fig. 4.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

The utility model provides a balance car belongs to traffic technical field, is that modern people is used for as the product of a neotype green of tool, amusement and recreation of riding instead of walk, and it utilizes the inside sensor of automobile body to detect the change of automobile body gesture to utilize the controller to drive the in-wheel motor accurately and carry out corresponding adjustment, in order to keep the balance of system.

At present, the inside cable of balance car docks through the connector subassembly, but, when two cables butt joint, need reserve sufficient length, avoid the connector subassembly to reserve too short butt joint together because of the cable, perhaps because the compactedness of balance car inner space, need remove the outside of balance car with the cable and peg graft, cause the cable easily like this because of the overlength folding damage cable or increase the problem of redundant cable.

As shown in fig. 1 to 6, according to a first aspect of the present application, the present application provides a balance car including a car body 100 and an in-wheel motor 200, the in-wheel motor 200 being disposed at both sides of the car body 100. The vehicle body 100 is provided with a battery assembly 20, a controller and a sensor inside, the in-wheel motor 200, the battery assembly 20, the controller and the sensor are connected with a cable 40 through a connector assembly, so that the battery assembly 20 can supply power to the in-wheel motor 200, the controller and the sensor, and the controller can drive the in-wheel motor 200 to perform corresponding adjustment according to a detection signal transmitted by the sensor.

In the present embodiment, the connector assembly 50 includes a first connector 51 and a second connector 52, the first connector 51 includes a first housing and an insertion opening 511 disposed on the first housing, the insertion opening 511 has a first signal connector 513, one end of the first signal connector 513 is electrically connected to the cable 40, and the other end of the first signal connector 513 is exposed from an end surface of the insertion opening 511 for establishing an electrical connection or a communication connection with the second connector 52.

The insertion opening 511 is located on the outer periphery of the first housing, and after the second connector 52 is inserted into the insertion opening 511 from the side surface of the first connector 51, the second connector 52 and the first connector 51 form a stacked structure, so that the problem that the connector assembly cannot be connected in a butt joint manner due to too short reserved cables or redundant cables are added due to too long cable due to the fact that the second connector 52 and the first connector 51 are in a butt joint manner is avoided, meanwhile, the second connector 52 and the first connector 51 are more conveniently connected, cables cannot be moved to the outside of the balance car to be inserted due to the compactness of the inner space of the balance car, and only the second connector 52 needs to be buckled on the first connector 51 inside the balance car, so that the length of the cables 40 can be better reserved, the length of the cables 40 can be reduced, the cost can be saved, and the cable loss can be reduced.

In addition, since the insertion hole 511 is disposed on the outer periphery of the first connector 51, the space utilization of the first connector 51 can be improved, for example, the overall structure of the first connector 51 is rectangular, the outer periphery of the first connector 51 can be designed into a plurality of independent small units, each small unit is correspondingly provided with the first signal connector 513, one end of the first signal connector 513 is connected with the cable 40, and the other end of the first signal connector 513 is used for being electrically connected with the second signal connector on the second connector 52 after the second connector 52 is stacked with the first connector 51, so as to avoid that the conventional butted connector needs to reserve a larger diameter or end face to match the cable, or a plurality of butted connectors are matched for use, and the volume or number of the connectors is increased.

Illustratively, the vehicle body 100 includes a housing 10, wherein the housing 10 includes an upper case 11 and a lower case 12 that are snap-coupled to each other, and the battery pack 20, the controller, and the sensor are disposed in a receiving cavity formed by the upper case 11 and the lower case 12. In this embodiment, the upper case 11 includes a left upper case and a right upper case, a left pedal is disposed on the left upper case, a right pedal is disposed on the right upper case, the sensor includes an angle sensor and an inertial sensor, the angle sensor is used for detecting a rotation angle of the left pedal and the right pedal relative to the lower case 12, the inertial sensor is used for detecting a rotation angle of the lower case 12 relative to a horizontal ground, the controller is electrically connected to the angle sensor, the inertial sensor, the battery pack 20 and the in-wheel motor 200, and the in-wheel motor can be controlled to drive the wheel to rotate according to a detection signal transmitted by the sensor.

Wherein, inertial sensor includes electronic gyroscope and acceleration sensor, and electronic gyroscope, acceleration sensor and controller all integrate on a control panel 30, not only can realize the modularization like this, reduce the occupation ratio in space, also are favorable to the maintenance of detection simultaneously.

In an alternative embodiment, the angle sensors are respectively installed on the left pedal and the right pedal, and are respectively used for detecting the rotation angle of the left pedal and the right pedal relative to the lower shell 12, the angle sensors transmit the angle signals to the controller after obtaining the angle signals, and the controller controls the left in-wheel motor 200 and/or the right in-wheel motor 200 to rotate at different speeds or directions, so as to achieve the purpose of integrally steering the balance car.

Wherein, angle sensor can be potentiometre, magnetic encoder, photoelectric encoder or linear hall sensor, and left pedal and right pedal can install the same kind of angle sensor, also can two kinds of collocation uses, and this application does not put the restriction.

In an alternative embodiment, the in-wheel motor 200 includes an axle and a wheel, and the axle is mounted on both sides of the vehicle body 100 by an axle fixing member, wherein the axle fixing member includes a fixing plate, a central groove is formed in the middle of the fixing plate, and a plurality of locking members are formed on both sides of the fixing plate. During the installation, the shaft is placed in the central recess, fixes a plurality of locking parts on epitheca 11, and the shaft is provided with the shaft hole along the axial, and the shaft hole is used for cable 40 to wear to establish to the in-wheel motor power supply, reduce the outside that cable 40 set up at in-wheel motor, can protect cable 40, avoid cable 40 impaired.

In an alternative embodiment, the first connector 51 further includes a first circuit board and a first heat dissipation substrate, the first circuit board is disposed on the first heat dissipation substrate and is accommodated in the first housing, so that heat generated by the first signal connector can be transferred to the first housing through the first heat dissipation substrate for heat dissipation. One end of the first signal connector 513 is connected to the first circuit board, and the first circuit board is electrically connected to the cable 40, so that the cable 40 can be electrically connected to the second connector 52 through the first signal connector 513 integrated on the first circuit board.

In an alternative embodiment, a metal layer is disposed on an outer surface of the first heat dissipation substrate, and at least a portion of the metal layer is formed with a conductive layer of a conductive circuit, wherein the conductive layer is connected to the first signal connector, so that the first heat dissipation substrate not only has a heat dissipation function, but also can be electrically connected to the second connector 52 through the first signal connector.

The first heat dissipation substrate can be a copper substrate, an aluminum substrate or a ceramic substrate, and the metal layer is formed by copper foil arranged on one side of the first heat dissipation substrate, so that the heat conductivity and the heat diffusivity of the first heat dissipation substrate are ensured, and the first heat dissipation substrate can rapidly transfer heat to the first shell for heat dissipation.

In an alternative embodiment, the second connector 52 includes a second housing and a plug 521 disposed on the second housing, the plug 521 has a second signal connector, one end of the second signal connector is electrically connected to the cable 40, and the other end of the second signal connector is exposed from an end surface of the plug 521 for establishing an electrical connection or a communication connection with the first signal connector 513.

Illustratively, the second connector 52 further includes a second circuit board, which is accommodated in the second housing, wherein one end of the second signal connector is connected to the second circuit board, and the second circuit board is electrically connected to the cable 40, so that the cable 40 can be electrically connected to the first signal connector 513 through the second signal connector integrated on the second circuit board.

In an alternative embodiment, the structure of the second circuit board is the same as that of the first circuit board, so that the second circuit board not only has a heat dissipation function, but also can be electrically connected to the first signal connector 513 through the second signal connector.

In an alternative embodiment, the bottom surface of the first housing has at least one notch 5111 to form the insertion opening 511, and the other end of the first signal connector 513 is exposed from the bottom surface of the first housing or the end surfaces on both sides of the notch 5111, so that the first signal connector 513 can establish an electrical connection or a communication connection with the second signal connector.

Illustratively, the bottom surface of the first housing has a plurality of notches 5111, the first signal connectors 513 are disposed on two sides of the notches 5111, and the number and positions of the plugs 521 on the second housing correspond to the notches 5111, so that the second signal connectors on the plugs 521 can establish electrical connection or communication connection with the first signal connectors 513.

The first signal connector 513 and the second signal connector are PI N pins, but the first signal connector 513 and the second signal connector are not limited to PI N pins, and may be of various materials and structures capable of achieving electrical connection and electrical signal transmission.

In an alternative embodiment, a grating structure is disposed on the end surface of both sides of the gap 5111, and a plurality of first signal connectors 513 are correspondingly disposed on each unit cell in the grating structure to increase the creepage distance between the plurality of first signal connectors 513, so that the voltage or current level of the first connector 51 can be increased thereby.

In an alternative embodiment, the first connector 51 is provided with a first fastener for cooperating with a corresponding second fastener on the second connector 52 to secure the second connector 52 to the first connector 51.

In an alternative embodiment, one of the first fixing member and the second fixing member may be a magnet, and the other of the first fixing member and the second fixing member may be a magnet or a magnetic metal member.

For example, the first fixing member and the second fixing member may be permanent magnets or electromagnets, the permanent magnets may be an alnico permanent magnet alloy or an iron-chromium-cobalt permanent magnet alloy, and the electromagnets may be selectively turned on or off as required to control the operating state of the locking device. The specific type and material of the magnetic attraction member are not limited in this application.

When the first connector 51 is connected to the second connector 52, the opposite poles of the first and second fixing members are opposed, so that the second connector 52 can be firmly fixed to the first connector 51 by the attraction force of the opposite poles. In the present embodiment, the first fixing member is at least one magnet disposed on the first connector 51, the first connector 51 is provided with at least one magnet mounting groove, each magnet is correspondingly mounted on the magnet mounting groove, the second fixing member is a magnetic iron sheet disposed on the second connector 52, and the magnetic iron sheet is mounted on one side of the second connector 52 facing the first connector 51, so that the magnetic iron sheet can be adsorbed on the at least one magnet.

In addition, the first fixing element and the second fixing element can be magnetic elements at the same time, wherein the magnetic pole of the first fixing element is opposite to the opposite magnetic pole of the second fixing element, and the opposite magnetic pole here means that the opposite magnetic poles of the first fixing element and the second fixing element form an opposite magnetic pole, so that the second connector 52 can be plugged onto the first connector 51 and locked and fixed under the attraction of the opposite magnetic pole.

It should be noted that the first fixing member may also be a bar magnet, a circular magnet, or a magnet with other shapes, and the second fixing member may be another metal member that can be attracted by the magnet; or the first fixing part is another metal piece capable of being attracted by the magnet, and the second fixing part is the magnet, which is not limited in the present application.

In an alternative embodiment, when the first fixing element and the second fixing element can be magnetic elements at the same time, they are a first magnetic element and a second magnetic element respectively, the first magnetic element is disposed on the first connector 51, the number of the first magnetic elements is at least two, and all the first magnetic elements are opposite in polarity at one end facing the second connector 52 and are located at two sides of the first signal connector 513. The second magnetic members are disposed on the second connector 52, and the number of the second magnetic members is the same as that of the first magnetic members, and all the second magnetic members have opposite polarities at the end facing the first connector 51 and are located at two sides of the second signal connector. The symmetrically distributed magnetic members may enable the engagement points of the second connector 52 and the first connector 51 to be symmetrically distributed around the first signal connector 513 and the second signal connector, so that the engagement of the second connector 52 and the first connector 51 is more stable.

In addition, because the magnetism of each magnetic member on the first connector 51 or the second connector 52 is different, the first connector 51 and the second connector 52 can be accurately attracted to correct positions, the accuracy of the butt joint position is ensured, the convenience of butt joint is improved, blind operation of a user can be realized, namely, the user does not need to look at the butt joint position to insert and pull out, and a fool-proof effect can be achieved.

Illustratively, when the second connector 52 is mated with the first connector 51 in a manner of rotating at an angle deviating from the normal mating position, if the angle deviating from the normal mating position is not large, the magnetic attraction of the magnetic members will automatically adjust to the proper mating position. If the rotation deviation angle is too large, for example, 180 °, the magnetic member on the second connector 52 and the magnetic member on the first connector 51 are not matched in polarity, and the attraction cannot be achieved, so that the user can be prevented from butting the second connector 52 with the first connector 51 in a wrong manner, and the potential safety hazard is avoided.

In an alternative embodiment, the first fixing member includes a snap-fit portion disposed inside the first housing, and the second fixing member includes a snap-fit portion disposed outside the second connector, and the position of the snap-fit portion corresponds to the position of the snap-fit portion, so that the second connector can be detachably mounted on the first connector 51 by being snapped into the snap-fit portion by the snap-fit portion.

In an alternative embodiment, the first fixing member includes a locking portion 512 disposed inside the first housing, and the second fixing member includes a locking portion 522 disposed outside the second connector, where the position of the locking portion 522 corresponds to the position of the locking portion 512, so that the second connector can be detachably mounted on the first connector 51 by locking the locking portion with the locking portion through the locking portion.

In an optional embodiment, the vehicle body 100 further includes a limiting portion, the limiting portion is disposed on the housing 10 and encloses a limiting space for limiting the cable 40, the connector assembly 50 is located in the limiting space to prevent heat generated by the connector assembly 50 when the control board 30 operates from affecting operations of the first circuit board and the second circuit board in the connector assembly 50, and meanwhile, it is also ensured that each component in the vehicle body 100 can operate at a safe operating temperature, especially, a sufficient heat dissipation space is provided for the control board 30 and the battery assembly 20, and it is avoided that the control board 30 or the battery assembly 20 is affected by a large number of cables 40 and a messy layout to dissipate heat to the surroundings.

In addition, by the reasonable layout of the cables 40 and the connector assemblies 50 in the vehicle body 100, the control board 30 or the battery assembly 20 can be prevented from interfering with the components in the connector assemblies 50, that is, the components with large heat dissipation amount affect the components with small or no heat dissipation amount, so that the service life of the components with small or no heat dissipation amount is shortened.

In an alternative embodiment, the cable 40 includes a first cable 41 and a second cable 42, the first cable 41 is connected to the first connector 51, the second cable 42 is connected to the second connector 52, and after the first connector 51 is connected to the second connector 52, the first cable 41 and the second cable 42 are electrically or communicatively connected to each other to transmit electrical signals.

In addition, both ends of the cable 40 may be provided with one of the first connector 51 and the second connector 52, and the other of the first connector 51 and the second connector 52 is provided on the circuit board and/or the control board 30 of the battery assembly 20, so that the cable 40 can be connected to the battery assembly 20 and/or the control board 30 through the connection of the first connector 51 and the second connector 52, which is not limited in this application.

As shown in fig. 1 to 6, according to a second aspect of the present application, there is provided a connector assembly, the connector assembly 50 includes a first connector 51 and a second connector 52, the first connector 51 includes a first housing and an insertion opening 511 provided on the first housing, the insertion opening 511 has a first signal connector 513, one end of the first signal connector 513 is electrically connected to the cable 40, and the other end of the first signal connector 513 is exposed from an end surface of the insertion opening 511 for establishing an electrical connection or a communication connection with the second connector 52;

in the present embodiment, the insertion opening 511 is located at the outer periphery of the first housing, and after the second connector 52 is inserted into the insertion opening 511 from the side surface of the first connector 51, the second connector 52 and the first connector 51 form a stacked structure, so that it is avoided that the second connector 52 and the first connector 51 are in a butt joint manner, which causes the connector assembly to be unable to be in butt joint due to the cable being too short reserved, or a redundant cable is increased due to too long, and meanwhile, the connection between the second connector 52 and the first connector 51 is more convenient, and the cable is not moved to the outside of the product for insertion due to the compactness of the inner space of the product, and only the second connector 52 needs to be buckled on the first connector 51 in the product, so that the length of the cable 40 can be better reserved, the length of the cable 40 can be reduced, the cost can be saved, and the cable loss can be reduced.

In the description of the present application, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The above disclosure provides many different embodiments or examples for implementing different structures of the application. The components and arrangements of specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: numerous changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. The balance car is characterized by comprising a car body, wherein a battery assembly, a controller and a sensor are arranged in the car body, and the battery assembly, the controller and the sensor are connected with a cable through a connector assembly;

the connector assembly includes a first connector and a second connector;

2. The balance car of claim 1, wherein the first connector further comprises:

3. The balance car of claim 1, wherein the bottom surface of the first housing has at least one notch to constitute the insertion opening, and the other end of the first signal connector is exposed from the bottom surface of the first housing or end surfaces on both sides of the notch.

4. The balance car of claim 3, wherein a grid structure is arranged on the end surfaces of two sides of the notch, and a plurality of first signal connecting pieces are correspondingly arranged on each unit cell in the grid structure.

5. The balance car of claim 1, wherein the first connector has a first fastener for mating with a corresponding second fastener on the second connector to secure the second connector to the first connector.

6. The balance car of claim 5, wherein one of the first and second fixtures is a magnet and the other of the first and second fixtures is a magnet or a magnetic metal piece.

7. The balance car of claim 5, wherein the first fixing member includes a catching portion provided inside the first housing, and the second fixing member includes a catching groove portion provided outside the second connector, and a position of the catching portion corresponds to a position of the catching groove portion.

8. The balance car of claim 1, wherein the car body comprises a housing and a limiting portion, and the limiting portion is arranged on the housing and encloses a limiting space for limiting the cable.

9. The balance car of claim 1, wherein the second connector comprises a second signal connector and a plug for mating with the insertion opening, the second signal connector being provided at the plug and exposed from an end surface of the plug.

10. A connector assembly, comprising:

a first connector and a second connector;