CN112787122A

CN112787122A - Connection structure, block terminal and electric automobile

Info

Publication number: CN112787122A
Application number: CN202011607419.5A
Authority: CN
Inventors: 王永华; 夏全飞; 陈太贤
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-05-11
Anticipated expiration: 2040-12-29
Also published as: CN112787122B

Abstract

The embodiment of the application discloses connection structure, block terminal and electric automobile, this connection structure includes: the adapter socket is arranged in a shell of the first equipment, a circuit board is arranged in the shell of the first equipment, the adapter socket comprises a first end and a second end which are opposite, and the first end of the adapter socket is electrically connected with the circuit board; and the connecting socket is arranged outside the shell, one end of the connecting socket is electrically connected with the second end of the adapter socket, and the other end of the connecting socket is used for being electrically connected with an external connector. From this, adopt adapter socket directly to be connected connection socket and circuit board, need not the wiring, realized exempting from the cable design, connection stability is higher, has improved the electric connection reliability, simultaneously, easily realizes automatic assembly, promotes machining efficiency and assembly uniformity, has reduced the cost of labor, simultaneously, need not to set up filter equipment, more saves space, is favorable to the miniaturization of equipment.

Description

Connection structure, block terminal and electric automobile

Technical Field

The embodiment of the application relates to the technical field of electronics, especially, relate to a connection structure, block terminal and electric automobile.

Background

The Power Distribution Unit (PDU) is a high-voltage current Distribution Unit of all pure electric vehicles and plug-in hybrid electric vehicles, and can distribute the electric energy delivered by the Power battery assembly to the electric machines for controlling the electric machines, air conditioners, heaters and other electric appliances.

In the prior art, the vehicle electrical appliance is connected with the socket, and the socket is electrically connected with the circuit board in the high-voltage distribution box through the cable, however, signal interference can be generated between the cables, signal attenuation is caused, and a filtering device is required to be arranged to filter the cables.

The connection mode has poor connection stability, large occupied space, complex assembly, difficult realization of automatic assembly, low reliability, high cost of the cable assembly, manual assembly and poor consistency.

Disclosure of Invention

The embodiment of the application provides a connection structure, block terminal and electric automobile, has solved the poor, big problem of occupation space of connection structure stability in the block terminal.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions:

in a first aspect of embodiments of the present application, a connection structure is provided, including: the adapter socket is arranged in a shell of the first equipment, a circuit board is arranged in the shell of the first equipment, the adapter socket comprises a first end and a second end which are opposite, and the first end of the adapter socket is electrically connected with the circuit board; and the connecting socket is arranged outside the shell, one end of the connecting socket is electrically connected with the second end of the adapter socket, and the other end of the connecting socket is used for being electrically connected with an external connector. From this, adopt adapter socket directly to be connected connection socket and circuit board, need not the wiring, realized exempting from the cable design, connection stability is higher, has improved the electric connection reliability, simultaneously, easily realizes automatic assembly, promotes machining efficiency and assembly uniformity, has reduced the cost of labor, simultaneously, need not to set up filter equipment, more saves space, is favorable to the miniaturization of equipment.

In an alternative implementation, the patch socket includes: the first shell and the switching terminal arranged in the first shell, wherein one end of the switching terminal penetrates through the first shell to be connected with the circuit board in a welding mode, and the other end of the switching terminal is electrically connected with the connecting socket. From this, adopt the switching terminal to replace the cable, can be with switching terminal and circuit board welded connection, connection stability is higher, has improved the connection reliability.

In an alternative implementation, the connection socket includes: the second shell and a connecting terminal arranged in the second shell, wherein one end of the connecting terminal is electrically connected with the switching terminal, and the other end of the connecting terminal is used for being connected with an external connector. From this, adopt connecting terminal to connect external connector and switching terminal, the assembly is simpler, is convenient for realize automatic assembly, has reduced the cost of labor.

In an optional implementation manner, the connection structure further includes: the casing is provided with a first connecting hole, the casing is provided with a second connecting hole opposite to the first connecting hole, and the connecting piece is detachably connected with the first connecting hole and the second connecting hole. From this, the assembly is simpler, is convenient for realize automatic assembly, has reduced the cost of labor.

In an optional implementation manner, one end of the connection terminal, which is close to the transfer terminal, is a female contact, and one end of the transfer terminal, which is close to the connection terminal, is a male contact; or, the end of the connecting terminal close to the switching terminal is a male end contact element, and the end of the switching terminal close to the connecting terminal is a female end contact element. Therefore, the position of the male end contact element or the female end contact element can be adjusted according to the needs of a user, so that the connecting terminal can be connected with the switching terminal in a plugging mode, the assembly difficulty is reduced, the automatic assembly is convenient to realize, and the labor cost is reduced.

In an alternative implementation, the second housing includes: the protective shell is fixedly connected with the shell, the fixing piece is located in the protective shell, the fixing piece protrudes out of the protective shell, and the fixing piece is used for fixing the connecting terminal. Therefore, the protective shell can be fixed on the shell, the connecting terminal is fixed through the fixing piece, and the stability of electric connection is improved.

In an optional implementation manner, the fixing member protrudes from the protective shell to form a protruding portion, and a guide hole adapted to the shape of the fixing member is further disposed on the casing. Therefore, the guide holes can guide, when the connecting socket is inserted into the machine shell, the convex parts arranged on the connecting socket are firstly contacted with the guide holes arranged on the machine shell to guide and correct the angle, and the convex parts on the connecting socket are connected with the adapter socket.

In an optional implementation manner, a guide piece is arranged on the fixing piece, and a guide groove matched with the shape of the guide piece is arranged on the first shell. Therefore, the guide piece can be used for guiding, after the convex part arranged on the connecting socket is inserted into the guide hole arranged on the shell for a certain stroke, the guide piece on the connecting socket is contacted with the guide groove arranged on the adapter socket, the guide groove on the adapter socket guides the connecting socket and corrects the angle, the connecting socket continuously moves along the axial direction, and the connecting terminal on the connecting socket can be connected with the adapter terminal of the adapter socket.

In an optional implementation manner, a first buckle is arranged on the fixing piece, and a first clamping groove adapted to the first buckle is arranged on the guide piece; or a first clamping groove is formed in the fixing piece, and a first buckle matched with the first clamping groove is arranged on the guide piece; wherein, this first buckle and this first draw-in groove detachable connection. Therefore, the guide piece and the fixing piece can be detachably connected together through the second buckle and the second clamping groove, assembly and disassembly are facilitated, and maintenance difficulty is reduced.

In an alternative implementation, the second housing further includes: a first sealing member disposed between the fixing member and the guide groove. Therefore, the sealing element is used for sealing the gap between the fixing element and the guide groove, water vapor is prevented from entering the adapter socket, and the anti-condensation function is achieved.

In an alternative implementation, the fixing member is provided with a ring of groove, and the first sealing member is disposed in the groove. Therefore, the second sealing element can be fixed on the fixing element, and the sealing performance is improved.

In an alternative implementation, the second housing further includes: a second seal disposed between the protective shell and the case. From this, the second sealing member can be used for sealing up the clearance between this protective housing and the casing, avoids steam to get into the adapter socket interface, realizes preventing the condensation function.

In an optional implementation manner, a second buckle is arranged on one side, close to the protective shell, of the second sealing element, and a second clamping groove matched with the second buckle is arranged on the protective shell; or a second clamping groove is formed in one side, close to the protective shell, of the second sealing element, and a second buckle matched with the second clamping groove is arranged on the protective shell; the second buckle is detachably connected with the second clamping groove. From this, can with this second sealing member with the protective housing passes through second buckle and second draw-in groove and can dismantle to be connected together, and the maintenance degree of difficulty has been reduced in the equipment of being convenient for and dismantlement.

In an alternative implementation, the second housing further includes: and the shielding cover is arranged between the protective shell and the fixing piece. Therefore, the shielding case can be used for shielding signals, preventing the signals of the connecting terminals from leaking outwards and also preventing the external signals from interfering with the signals of the connecting terminals.

In a second aspect of the embodiments of the present application, there is provided a distribution box, including: the casing to and connection structure as above, be equipped with the circuit board in this casing, this circuit board is connected with this connection structure electricity. From this, this block terminal adopts above-mentioned connection structure, and the electric connection reliability is higher, simultaneously, easily realizes automatic assembly, promotes machining efficiency and assembly uniformity, has reduced the cost of labor, simultaneously, need not to set up filter equipment, more saves space, is favorable to the miniaturization of equipment.

In a second aspect of the embodiments of the present application, there is provided an electric vehicle, including: the vehicle-mounted electric appliance is electrically connected with the connecting structure of the distribution box through the external connector. Therefore, by adopting the distribution box, the electric connection stability is higher, and the size is smaller.

In an optional implementation manner, the vehicle-mounted electric appliance is: an electric heater, an air conditioner, or a vehicle charger.

Drawings

FIG. 1 is a schematic diagram of a power distribution box;

FIG. 2 is a schematic view of a connector;

fig. 3 is a schematic structural diagram of a distribution box according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a connection structure provided in an embodiment of the present application;

fig. 5 is a schematic structural diagram of an adapter socket according to an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of a connection socket according to an embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of a connection terminal according to an embodiment of the present disclosure;

fig. 8 is a schematic structural diagram of another connection terminal provided in an embodiment of the present application;

fig. 9 is a schematic structural diagram of an external connector according to an embodiment of the present application;

fig. 10 is a schematic structural diagram of an electric vehicle according to an embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more clear, the present application will be further described in detail with reference to the accompanying drawings.

In the following, the terms "first", "second", etc. 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, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

Further, in the present application, directional terms such as "upper" and "lower" are defined with respect to a schematically-disposed orientation of components in the drawings, and it is to be understood that these directional terms are relative concepts that are used for descriptive and clarity purposes and that will vary accordingly with respect to the orientation in which the components are disposed in the drawings.

Fig. 1 is a schematic structural view of a distribution box. As shown in fig. 1, the distribution box 001 connects the distribution devices in the equipment by using cables 01, for example, the cables 01 connect the internal distributed devices such as PCBs, copper bars, distribution devices, etc. to form a transmission loop, so as to implement power and signal control and transmission.

In some embodiments, the cable 01 may be connected to the socket after being bundled. However, the cable 01 may generate stress after being bundled, the connector terminal may be loosened, and the connection of the line may be unstable in a bumpy application scene during the use of the automobile.

Moreover, signal interference can be generated between the cables 01 to cause signal attenuation, and a filtering device 02 is also needed to be arranged to filter the cables.

To this end, the embodiment of the present application provides an improved connection structure.

Fig. 3 is a schematic structural diagram of a distribution box provided in the embodiment of the present application. Fig. 4 is a schematic structural diagram of a connection structure according to an embodiment of the present application. As shown in fig. 3 and 4, the connection structure includes: a patch jack 10 and a connection jack 20.

The patch socket 10 is disposed in a housing 30 of a first device, a circuit board 40 is disposed in the housing 30 of the first device, the patch socket 10 includes a first end and a second end opposite to each other, and the first end of the patch socket 10 is electrically connected to the circuit board 40. The connection socket 20 is disposed outside the housing 30, for example, one end of the connection socket 20 is electrically connected to the second end of the adapter socket 10, and the other end of the connection socket 20 is used for electrically connecting to an external connector.

The embodiment of the present application takes this first device as an example for explanation, wherein the first device is a distribution box 001.

The casing 30 may be made of metal or stainless steel, for example, and has higher strength, which can protect the components arranged inside the casing 30, and the shape of the casing 30 may be, for example, a cube or other regular polyhedrons, which makes the structure more stable and facilitates assembly and use. The material and shape of the housing 30 are not limited in this application, and those skilled in the art can select the appropriate material and shape according to the needs, which all fall within the scope of the present application.

The housing 30 is provided with a circuit board 40, for example, and the circuit board 40 is electrically connected to a connection circuit of the input terminal and the charging terminal and/or to a connection circuit of the input terminal and the output terminal. The circuit board 40 may be used for dc/ac conversion when an external power source is charged through an external charging circuit. The circuit board 40 may be used to divide voltage when an external appliance is powered by an external power source.

The circuit board 40 may be disposed, for example, against or adjacent to the inside of the housing, thereby conserving space within the housing.

The structure of the adaptor socket 10 is not limited in the embodiments of the present application. Fig. 5 is a schematic structural diagram of an adapter socket according to an embodiment of the present application. As shown in fig. 5, the adaptor socket 10 includes: a first housing 102, and an adapting terminal 101 disposed in the first housing 102, wherein one end of the adapting terminal 101 penetrates through the first housing 102 to be connected with the circuit board 40 by soldering, and the other end is electrically connected with the connecting socket 20.

Therefore, the adapter terminal 101 is adopted to replace the cable 01, the adapter terminal 101 and the circuit board 40 can be connected in a welding mode, the connection stability is higher, and the connection reliability is improved.

The adapting terminal 101 may be a pin connector, one end of the pin connector is fixed to the first housing 102 and disposed on the first connecting portion, and the other end of the pin connector extends to the outside of the first housing 102 to form a soldering end, and is soldered to the circuit board 40.

It should be noted that the pin connector and the circuit board 40 may be connected by wave soldering, and during soldering, the soldering end of the pin connector may be directly contacted with the high temperature liquid tin to achieve the soldering purpose.

In the embodiment of the present application, the materials of the first housing 102 and the adapting terminal 101 are not limited, and the first housing 102 is made of an insulating material, such as plastic, resin, etc. The first housing 102 may be used for fixing support and insulation protection of the junction terminal 101.

The relay terminal 101 may be made of a conductive material, such as metal or sheet metal.

When the adapter 10 is manufactured, the adapter terminal 101 may be integrally formed, and the first housing 102 may be integrally injection-molded on the adapter terminal 101 to form the adapter 10.

When assembling, the end of the adapting terminal 101 extending out of the first housing 102 can be soldered to the circuit board 40, and then the circuit board 40 is mounted on the device housing 30.

From this, adopt adapter socket 10 directly to be connected socket 20 and circuit board 40, need not the wiring, realized exempting from the design of cable 01, compare with the 01 connected mode of traditional cable, this application adopts welded connected mode, and connection stability is higher, has improved the electric connection reliability, and simultaneously, easily realize automatic assembly, promote machining efficiency and assembly uniformity, reduced the cost of labor, simultaneously, need not to set up filter equipment, more save space, be favorable to the miniaturization of equipment.

As shown in fig. 2, the conventional connection socket includes a connector 03 for connecting a cable 01 and an external connector, the connector including two contacts, the first contact 031 is inserted into the external connector 04 shown in fig. 1, and the second contact 032 is used to press the cable, which results in poor connection stability.

The present embodiment improves the structure of the connection socket 20. Fig. 6 is a schematic structural diagram of a connection socket according to an embodiment of the present disclosure. As shown in fig. 6, the connection socket 20 includes: a second housing 200, and a connection terminal 201 disposed in the second housing 200, wherein one end of the connection terminal 201 is electrically connected to the adapting terminal 101, and the other end is used for connecting to an external connector.

The second housing 200 may be used to fixedly support and protect the connection terminal 201.

Therefore, the external connector and the switching terminal 101 are connected by the connecting terminal 201, so that the assembly is simpler, the automatic assembly is convenient to realize, and the labor cost is reduced.

In the embodiment of the present application, the materials of the second housing 200 and the connection terminal 201 are not limited, and the second housing 200 may be made of an insulating material. Such as plastics, resins, etc.

The connection terminal 201 may be made of a conductive material, such as metal or sheet metal, and may be formed by Numerical Control (CNC) or stamping.

The structure of the connection terminal 201 is not limited in the embodiment of the present application, and one end of the connection terminal 201 is disposed on the second connection portion, and the other end is used for connecting with an external connector 04 shown in fig. 9.

In some embodiments of the present application, one end of the connection terminal 201 is a female terminal contact, and the other end is a male terminal contact. As shown in fig. 6 and 7, the end of the relay terminal 101 connected to the connection terminal 201 is a male contact, the end of the connection terminal 201 connected to the relay terminal 101 is a female contact, and the end of the connection terminal 201 connected to the external connector is a male contact.

It should be noted that the female contact may be a socket and the male contact may be a plug.

Of course, in other embodiments, the end of the adapter terminal 101 connected to the connection terminal 201 may be a female contact, the end of the connection terminal 201 connected to the adapter terminal 101 may be a male contact, and the end of the connection terminal 201 connected to the external connector may be a female contact.

In other embodiments, as shown in fig. 8, both ends of the connection terminal 201 may be female contact pieces, for example: the end of the adapter terminal 101 connected to the connection terminal 201 is a male contact, the end of the connection terminal 201 connected to the adapter terminal 101 is a female contact, and the end of the connection terminal 201 connected to the external connector is a female contact.

In other embodiments, both ends of the connection terminal 201 may be male contacts, for example: the end of the adapter terminal 101 connected to the connection terminal 201 is a female contact, the end of the connection terminal 201 connected to the adapter terminal 101 is a male contact, and the end of the connection terminal 201 connected to the external connector is a male contact.

It should be noted that, those skilled in the art can select an appropriate connection terminal 201 according to the needs, and these are all within the scope of the present application.

From this, can adjust the type of connecting terminal 201 both ends public end contact or female end contact according to the user's needs for connecting terminal 201 can be connected with this switching terminal 101 through the mode of pegging graft to and be connected with external connector through the mode of pegging graft, reduced the assembly degree of difficulty, be convenient for realize automatic assembly, reduced the cost of labor.

This connection structure still includes: the connecting member 301, for example, a first connecting hole 2022 adapted to the connecting member 301 is disposed on the second housing 200, a second connecting hole opposite to the first connecting hole 2022 is disposed on the casing 30, and the connecting member 301 is detachably connected to the first connecting hole 2022 and the second connecting hole.

When assembling, the first connection hole 2022 and the second connection hole may be aligned first, and the connection member 301 may be inserted through the first connection hole 2022 and the second connection hole in sequence to fix the connection socket 20 to the housing 30.

Wherein, the connecting member 301 may be a screw.

The first connection hole 2022 has a smaller aperture in the direction close to the housing 30, which facilitates the floating insertion during assembly, so that the connector 301 can be inserted into the first connection hole 2022 more easily.

From this, the assembly is simpler, is convenient for realize automatic assembly, has reduced the cost of labor.

The shape of the first housing 102 and the second housing 200 is not limited in the embodiments of the present application. In some embodiments of the present application, a guide groove is formed on the first housing 102, and a protrusion adapted to the guide groove is formed on the second housing 200. Or, a convex portion is arranged on the first housing 102, and a guide groove adapted to the convex portion is arranged on the second housing 200.

As shown in fig. 5, in the present application, a guide groove 1020 is provided on the first housing 102, and a convex portion adapted to the guide groove 1020 is provided on the second housing 200 as an example:

the first housing 102 is provided with a guide groove 1020, the second housing 200 is provided with a protrusion 1021 matched with the guide groove 1020, and when the connection socket 20 is inserted into the chassis 30, the protrusion 1021 on the second housing 200 can be used as a guide structure.

In addition, the housing 30 is further provided with a guiding hole adapted to the shape of the protrusion 1021, and the guiding hole can be used as a guiding structure when the connection socket 20 is inserted into the housing 30.

When the connection socket 20 is inserted into the housing 30, the convex portion 1021 on the connection socket 20 contacts with the guiding hole on the housing 30 to perform guiding and angle correction, so that the connection socket 20 is connected with the adaptor socket 10.

It should be noted that, the aperture of the first connection hole 2022 of the housing 30 is larger than the size of the convex portion 1021 of the second housing 200, so that a certain gap is left between the convex portion 1021 of the second housing 200 and the connection hole of the housing 30 after assembly, thereby realizing floating insertion.

Furthermore, in order to further align the connection terminals 201 on the connection socket 20 with the transfer terminals 101 of the transfer socket 10, a guide 204 may be provided, the guide 204 is disposed at one end of the protrusion 1021 near the transfer socket 10, and the guide 204 is matched with the shape of the guide groove 1020 on the transfer socket 10.

During assembly, after the protrusion 1021 on the connection socket 20 is inserted into the guiding hole on the housing 30 for a certain distance, the guiding element 204 on the connection socket 20 contacts the guiding slot 1020 on the adapter socket 10, the guiding slot 1020 on the adapter socket 10 guides and angularly corrects the guiding element 204 on the connection socket 20, and then the connection socket 20 continues to move in the axial direction, so that the connection terminal 201 on the connection socket 20 is connected to the adapter terminal 101 of the adapter socket 10.

The embodiment of the present application does not limit the specific structure of the second housing 200. Wherein, this second casing 200 includes at least: a protective case 202 and a fixing member 203.

The protective shell 202 has a first connection hole 2022, for example, and is fixedly connected to the housing 30 through a connection member 301.

The fixing member 203 is disposed in the protective housing 202, and the fixing member 203 is used for fixing the connection terminal 201 to prevent the connection terminal 201 from shaking in the housing.

Therefore, the protective shell 202 can be fixed on the machine shell 30, and the connecting terminal 201 is fixed through the fixing piece 203, so that the stability of electric connection is improved.

In some embodiments, the convex portion 1021 is integrally formed by the protective shell 202.

In other embodiments, as shown in fig. 6, the axial dimension of the fixing member 203 is greater than the axial dimension of the protective shell 202, such that one end of the protective shell 202 protrudes from the protective shell 202 to form the convex portion 1021.

The connection manner between the guide 204 and the fixing element 204 is not limited in the embodiments of the present application, and in some embodiments, the guide 204 is clamped to the fixing element 204 on the second housing 200.

As shown in fig. 6, for example, a first buckle 2031 is disposed on the fixing member 203 of the second housing 200, and a first locking groove 2041 adapted to the first buckle 2031 is disposed on the guide 204.

Alternatively, the fixing element 204 of the second housing 200 may be provided with a first locking groove 2041, and the guide element 204 may be provided with a first catch 2031 that is adapted to the first locking groove 2041.

When the guide 204 is installed, the first fastener 2031 can be fastened to the first fastening groove 2041, so that the guide 204 can be detachably connected to the second housing 200.

The fixing member 204 of the second housing 200 is further provided with a first sealing member 205, and the first sealing member 205 is disposed between the fixing member 204 and the guide groove 1020. The sealing member serves to seal a gap between the fixing member 203 and the guide groove 1020.

When the connection socket 20 is in butt joint with the adapter socket 10, the sealing element is matched with the inner wall of the guide groove 1020 to realize sealing, so that water vapor is prevented from entering the interface of the adapter socket 10, and the anti-condensation function is realized.

Therefore, the first sealing element 205 can prevent moisture from entering the adapter socket 10, and the condensation prevention function is realized.

In addition, when the connection socket 20 is connected to the adapter socket 10, the fixing element 204 of the second housing 200 can drive the connection socket 20 to float in the housing 30 for a predetermined distance when receiving the first pressure applied by the adapter socket 10, and return to the initial position after the first pressure disappears. Therefore, the assembly error is effectively buffered by using smaller space and lower cost, and the connection stability is improved.

After this connection socket 20 and adapter socket 10 butt joint are accomplished, if block terminal 001 produces vibration at the during operation, and when the vibration passes through casing 30 and transmits to second casing 200, this rubber circle can offset partial vibration, and anti-seismic performance is better, has improved connection stability.

The installation mode of the sealing element is not limited in the embodiment of the application. In some embodiments, the fixing member 204 of the second housing 200 is provided with a ring of grooves, and the first sealing member 205 is disposed in the grooves. This makes it possible to fix the second seal member to the fixing member 203, thereby improving the sealing performance.

The guiding element 204 can also be used to limit the first sealing element 205, so as to prevent the first sealing element 25 from sliding on the fixing element 203.

In some alternative implementations, as shown in fig. 6, the second housing 200 includes: a second seal 206. The second sealing element 206 is disposed between the protective shell 202 and the chassis 30, for example, the second sealing element 206 may be made of rubber, and may be used to seal a gap between the protective shell 202 and the chassis 30, so as to prevent moisture from entering the interface of the adaptor socket 10, and achieve a condensation prevention function.

The embodiment of the present application does not limit the installation manner of the second sealing member 206. In some embodiments, as shown in fig. 6, a second snap 2061 is disposed on a side of the second sealing element 206 close to the protective shell 202, and a second locking groove 2021 adapted to the second snap 2061 is disposed on the protective shell 202.

Or, in other embodiments, a second locking groove 2021 is disposed on one side of the first sealing element 205 close to the protective shell 202, and a second buckle 2061 adapted to the second locking groove 2021 is disposed on the protective shell 202.

The second clip 2061 is detachably connected to the second slot 2021.

Therefore, the first sealing element 205 and the protective shell 202 can be detachably connected together through the second buckle 2061 and the second clamping groove 2021, so that the assembly and the disassembly are convenient, and the maintenance difficulty is reduced.

In some alternative implementations, as shown in fig. 6, the second housing 200 includes: a shield 207.

The shielding cover 207 is disposed between the protective shell 202 and the fixing member 203, and the shielding cover 207 is made of metal, and may be integrally formed by a sheet metal process.

Therefore, the shielding case 207 can be used for shielding signals, preventing the signals of the connection terminal 201 from leaking outwards, and preventing external signals from interfering with the signals of the connection terminal 201.

In the embodiment of the present application, the materials of the protective shell 202, the fixing element 203 and the guiding element 204 are not limited, and for example, all of them are made of insulating materials, and for example, they may be one or more of plastics and resins.

The embodiment of this application still provides a block terminal 001, include: the electronic device comprises a machine shell 30 and the connecting structure, wherein a circuit board 40 is arranged in the machine shell 30, and the circuit board 40 is electrically connected with the connecting structure.

The embodiment of the present application still provides an electric automobile, and fig. 10 is the structure schematic diagram of the electric automobile that the embodiment of the present application provided, and as shown in fig. 10, electric automobile includes block terminal 001 as above, block terminal 001 can set up in the rear box of car, or also can set up in the plantago cabin.

The electric vehicle is further provided with, for example, a vehicle-mounted electric appliance, and the vehicle-mounted electric appliance is electrically connected to the distribution box 001 through an external connector 04 as shown in fig. 9. The vehicle-mounted electrical appliance may be, for example: an electric heater, an air conditioner, or a vehicle charger.

For example, the electric automobile is further provided with a vehicle-mounted power supply, and the vehicle-mounted power supply is connected with the input end of the distribution box 001, so that the vehicle-mounted electric appliance can be supplied with power through the vehicle-mounted power supply.

The electric vehicle may also be electrically connected to an external circuit through a charging terminal of the distribution box 001, for example, and charge the vehicle-mounted power supply through the external charging circuit. The external circuit can be a charging pile, can be fixed on the ground or on the wall, is installed in parking lots of public buildings and residential communities or charging stations, and can charge various types of electric vehicles according to different voltage levels. The input end of the charging pile is directly connected with an alternating current power grid, and the output end of the charging pile is provided with a charging male end contact element for charging the electric automobile.

The electric automobile that this application embodiment provided adopts above-mentioned block terminal 001, and this block terminal 001 electricity is connected more stably, and the size is littleer, weight is lighter, has saved car inner space, the assembly of being more convenient for, use.

The above description is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A connecting structure, characterized by comprising: the adapter socket is arranged in a shell of first equipment, a circuit board is arranged in the shell of the first equipment, the adapter socket comprises a first end and a second end which are opposite, and the first end of the adapter socket is electrically connected with the circuit board;

the connecting socket is arranged on the outer side of the shell, one end of the connecting socket is electrically connected with the second end of the adapter socket, and the other end of the connecting socket is used for being electrically connected with an external connector.

2. The connection structure according to claim 1, wherein the patch socket includes: the circuit board comprises a first shell and a switching terminal arranged in the first shell, wherein one end of the switching terminal penetrates through the first shell to be connected with the circuit board in a welding mode, and the other end of the switching terminal is electrically connected with the connecting socket.

3. The connection structure according to claim 2, wherein the connection socket includes: the second casing, and set up in the connecting terminal in the second casing, connecting terminal one end with the change-over terminal electricity is connected, and the other end is used for being connected with external connector.

4. The connection structure according to claim 3, wherein an end of the connection terminal close to the relay terminal is a female-end contact, and an end of the relay terminal close to the connection terminal is a male-end contact; or, the end of the connecting terminal close to the switching terminal is a male end contact element, and the end of the switching terminal close to the connecting terminal is a female end contact element.

5. The connection structure according to claim 3 or 4, further comprising: the connecting piece, be equipped with first connecting hole on the second casing, be equipped with on the casing with the second connecting hole that first connecting hole is relative, the connecting piece with first connecting hole with the connection can be dismantled to the second connecting hole.

6. The connecting structure according to claim 5, wherein the second housing includes: the protective housing is provided with the first connecting hole, the fixing piece is located in the protective housing, and the fixing piece is used for fixing the connecting terminal.

7. The connecting structure as claimed in claim 6, wherein the fixing member protrudes from the protective shell to form a protrusion, and the casing is further provided with a guiding hole adapted to the shape of the fixing member.

8. The connecting structure according to claim 7, wherein a guide member is provided on the fixing member, and a guide groove adapted to an outer shape of the guide member is provided on the first housing.

9. The connecting structure according to claim 8, wherein the fixing member is provided with a first buckle, and the guide member is provided with a first clamping groove adapted to the first buckle; or a first clamping groove is formed in the fixing piece, and a first buckle matched with the first clamping groove is arranged on the guide piece; wherein, first buckle with first draw-in groove detachable connection.

10. The connecting structure according to claim 8 or 9, wherein the second housing further comprises: a first sealing member disposed between the fixing member and the guide groove.

11. The connection according to claim 10, wherein the fixing member is provided with a ring of grooves, and the first sealing member is disposed in the grooves.

12. The connecting structure according to any one of claims 6 to 11, wherein the second housing further comprises: a second seal disposed between the protective case and the case.

13. The connecting structure according to claim 12, wherein a second buckle is arranged on one side of the second sealing element close to the protective shell, and a second clamping groove matched with the second buckle is arranged on the protective shell; or a second clamping groove is formed in one side, close to the protective shell, of the second sealing element, and a second buckle matched with the second clamping groove is arranged on the protective shell; the second buckle is detachably connected with the second clamping groove.

14. The connecting structure according to any one of claims 6 to 13, wherein the second housing further comprises: the shielding cover is arranged between the protective shell and the fixing piece.

15. An electrical box, comprising: a housing and a connection structure as claimed in any one of claims 1 to 14, a circuit board being provided in the housing, the circuit board being electrically connected to the connection structure.

16. An electric vehicle, comprising: an onboard electrical appliance and the electrical box of claim 15, the onboard electrical appliance being electrically connected to the connection structure of the electrical box by an external connector.

17. The electric vehicle of claim 16, wherein the onboard electrical appliance is: an electric heater, an air conditioner, or a vehicle charger.