CN211364461U - Wire harness adapter box for motor vehicle and electric vehicle - Google Patents

Abstract

The utility model discloses a wire harness switching box for motor vehicles and electric vehicles, which is characterized in that the wire harness switching box comprises a shell and an upper cover, wherein the upper cover is hermetically arranged on the shell; the wiring harness switching PCB is fixedly installed in the shell, a plurality of conducting circuits are prefabricated on the wiring harness switching PCB, one end of each conducting circuit is connected with a signal input plug used for receiving a control signal, and the other end of each conducting circuit is connected with a signal output plug used for carrying out data interaction with a controlled element; the signal input plug is hermetically installed in a signal input plug installation groove formed in the side wall of the shell; the signal output plug is hermetically arranged in a signal output plug mounting groove arranged on the side wall of the shell; the utility model has the advantages of simple structure, convenient to use are swift, low cost, small, improve wiring efficiency, the wiring is clean and tidy.

Description

Wire harness adapter box for motor vehicle and electric vehicle

Technical Field

The utility model belongs to the technical field of the vehicle wiring, especially, relate to a wire harness switching box for motor vehicle and electric vehicle.

Background

Electric vehicles have become a common vehicle in people's daily lives that rely on batteries to provide power. Besides providing power for the motor, the storage battery also needs to provide electric energy for executing devices such as instruments, brakes, lighting lamps and loudspeakers, and meanwhile, each executing device also needs to transmit signals, so that wiring harness connection of the electric vehicle becomes very complicated. The existing wire harness connection of the electric vehicle is generally directly connected through a wire, and the wire harness has more connecting nodes and is not beautiful; for example, each actuator needs a ground wire for safety, and the current wiring mode is to connect each actuator in parallel with the ground wire through an independent wire, so that a plurality of ground wires are inconvenient for assembly of the electric vehicle or maintenance of the electric vehicle when a problem occurs in the circuit. Particularly, when the electric vehicle is assembled, due to the fact that the models and the standards of various electric vehicles are different, various additional devices are correspondingly different, the electric vehicles of different models need to be wired respectively, the electric vehicles of various models cannot be unified in standard, and therefore wire harnesses of the electric vehicles of various models need to be manufactured respectively, cost is increased, and production efficiency is reduced.

Furthermore, the wire harness of the existing electric vehicle generally does not have a waterproof function, rainwater can permeate into the electric vehicle shell in rainy days, short circuit occurs easily in the electric vehicle internal circuit, the electric vehicle breaks down, and normal use of the electric vehicle is affected.

In order to solve the problems, the plurality of wires can be replaced by the integrated wire harness in the production and manufacturing process. The traditional integrated wiring harness wire and the wire are easily subjected to wrong welding, so that the wire is broken to cause open circuit, and the qualified rate of production is reduced. In addition, in rainy and snowy weather, rainwater can enter the joint of the line and the wire, so that the short circuit of the line is caused, the electric vehicle breaks down, and the normal use of the electric vehicle is influenced.

The prior art discloses an integrated wiring harness made of waterproof wires, which mainly comprises a waterproof bus and a waterproof branching wire, and is integrated on one wiring harness through a shunt, the wiring harness can solve the problem that the existing bus and branching wire are complex in wiring, and the waterproof problem can be solved due to the adoption of the waterproof wiring harness, but the cost of the wiring harness is higher, the price of an electric vehicle with the wiring harness is also relatively higher, the market popularization is not easy to realize, and in addition, if a short circuit or a short circuit occurs on the whole wiring harness, the whole wiring harness is scrapped;

therefore, the utility model relates to a simple structure, convenient to use are swift, the commonality is strong, low cost, do benefit to wire harness switching box for motor vehicle and electric vehicle of wiring.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model provides a simple structure, convenient to use are swift, the commonality is strong, low cost, do benefit to wire harness switching box for motor vehicles and electric vehicle of wiring.

The utility model discloses a wiring harness switching box for motor vehicles and electric vehicles, which is characterized in that the wiring harness switching box comprises a shell and an upper cover, wherein the upper cover is hermetically arranged on the shell; a wiring harness switching PCB is fixedly arranged in the shell; a plurality of conducting circuits are prefabricated on the wiring harness switching PCB, one end of each conducting circuit is connected with a signal input plug for receiving a control signal, and the other end of each conducting circuit is connected with a signal output plug for data interaction with a controlled element; the signal input plug is hermetically installed in a signal input plug installation groove formed in the side wall of the shell; the signal output plug is hermetically installed in a signal output plug installation groove formed in the side wall of the shell.

The utility model discloses can also adopt following technical scheme:

preferably, the shape of the housing is a square, circle or polygon structure. The requirements of different vehicle types and different installation spaces are met.

Preferably, a sol groove is arranged on the matching surface of the upper end surface of the shell and the upper cover, and waterproof sealant for connecting the upper cover in a sealing manner is filled in the sol groove; the casing is favorable for establishing a sealed environment, and water is prevented from entering the casing or the PCB is prevented from being wetted to extend the circuit on the PCB.

Preferably, the outer side of the shell is provided with a fixed seat, and the fixed seat is provided with a mounting hole. The application of the present invention is advantageously adapted and attached to the vehicle body by means of an external fastener as desired.

Preferably, the shell is filled with a moisture-proof insulating sealant, and the wiring harness switching PCB is located in the moisture-proof insulating sealant. Pencil switching PCB board further realizes keeping apart with the external world through sealed glue of dampproofing insulation in the casing, further improves the life of this application product.

Preferably, a positioning column is arranged in the shell, and the wiring harness is connected with the positioning hole in the PCB in a switching mode corresponding to the position of the positioning column. Improve the utility model discloses at actual packaging efficiency, prevent that pencil switching PCB board from taking place the phenomenon that the dislocation installation leads to unable sealed lock in the casing.

Preferably, the outer side wall of the shell is provided with a mounting plate, and the mounting plate is provided with a mounting long hole. The external mounting plate is suitable for the vehicle body with larger mounting space, and the external mounting structure is favorable for mounting.

Preferably, the bottom surface of the shell is provided with a glue storage groove; satisfy some and do not have under the external installation environment, adopt sticky mode to fix, be equipped with in the bottom surface and store up the jiao chi, do benefit to the utility model discloses and store more and glue solution between the automobile body, improve the area of contact of casing and glue solution simultaneously, finally reach and have good joint strength with the automobile body.

Preferably, a supporting column of the wiring harness switching PCB is arranged in the shell, the lower surface of the wiring harness switching PCB in the shell is placed on the supporting column, so that a glue storage space is formed by the wiring harness switching PCB and the bottom surface of the inner side of the shell, and the glue storage space is densely filled with the moisture-proof insulating sealant; the design of support column does benefit to the support to pencil switching PCB board on the one hand, and on the other hand forms a space after supporting, prevents to the destruction of pencil switching PCB back circuit node, also does benefit to the dampproofing insulating sealed glue of closely knit packing simultaneously, has avoided the lower surface of pencil switching PCB board and the laminating of casing ground to form some closed air chambers under the condition that does not have the support column like this, can seal partial air in the air chamber, will influence like this and expose the life-span of the circuit in the air chamber.

Preferably, the steering flasher control chip of the steering flasher is prefabricated on the PCB, and the PCB, the steering flasher and the left/right steering lamps are electrically connected in sequence; the first control loop of the loudspeaker comprises a PCB, a flash converter and the loudspeaker which are electrically connected in sequence; the second control loop of the loudspeaker comprises a PCB, a button switch and a loudspeaker which are sequentially and electrically connected. The utility model concentrates the steering prompt sound and the warning sound on one wire harness junction box, and solves the problem that two buzzers need to be configured separately and have more safety fault points; meanwhile, the problem of inconvenience in installation and maintenance caused by the fact that the flashers and the loudspeakers are installed in the installation space of the instrument in the prior art is solved; in addition, the steering flasher control chip is intensively sealed in the box body by adopting moisture-proof insulating sealant, so that the steering flasher control chip has moisture-proof and shock-proof functions, and the service life of the steering flasher control chip is prolonged.

The utility model has the advantages and technological effect: adopt the utility model discloses the structure has been solved current electric vehicle bus and scattered separated time wiring complicacy, and the wiring is more in disorder, the wiring is not hard up easily appears, wiring inefficiency, overhaul complicated problem, can directly merge on the PCB board to the pencil of sharing. Simultaneously compare with some adoption waterproof bus of prior art and waterproof separated time integration at inseparable integrated pencil of an organic whole, greatly reduced the cost, played basically the same effect, can adopt completely the utility model discloses structure product cooperation conventional bus replaces this kind of integrated pencil, and then has reduced the price of whole car, does benefit to marketing. In addition, the utility model discloses simple structure, small, advantages such as low cost.

Drawings

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

FIG. 2 is a schematic view of the internal structure of embodiment 1;

FIG. 3 is a schematic diagram of wiring of the wiring harness adapting PCB of embodiment 1;

fig. 4 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 5 is a schematic structural diagram of embodiment 3 of the present invention;

fig. 6 is a schematic structural diagram of embodiment 5 of the present invention;

fig. 7 is a schematic structural diagram of embodiment 6 of the present invention;

fig. 8 is a schematic structural view of embodiment 7 of the present invention;

fig. 9 is a schematic structural diagram of embodiment 8 of the present invention;

fig. 10 is a schematic structural view of embodiment 9 of the present invention;

FIG. 11 is a schematic view of a horn mounting arrangement;

FIG. 12 is a schematic view of the integration of the flash control chip on the beam relay PCB board.

In the figure, 1, a shell; 1-1, a signal input plug mounting groove; 1-2, signal output plug mounting grooves; 1-3, a sol tank; 1-4, fixing seats; 1-5, a positioning column; 1-6, mounting a plate; 1-7, glue storage tank; 1-8, support columns; 1-9, glue containing groove; 2. an upper cover; 3. the wire harness is connected with the PCB in a switching mode; 4. a signal input plug; 5. a signal output plug; 6. a steering flasher control chip; 7. a horn.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following embodiments and related drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The specific embodiment is as follows:

example 1; a wiring harness adapter box for motor vehicles and electric vehicles comprises a shell 1 and an upper cover 2, wherein the upper cover is hermetically arranged on the shell; a wiring harness switching PCB (printed circuit board) 3 is fixedly arranged in the shell; a plurality of conducting circuits are prefabricated on the wiring harness switching PCB, and one end of each conducting circuit is connected with a signal input plug 4 for receiving a control signal; the other end of each conducting line is connected with a signal output plug 5 which performs data interaction with a controlled element; if the signal input plug is connected with the controller and the signal output plug is connected with the corresponding controlled element, for example, the controlled element is at least a left switch, an instrument, an iron horn, a flasher power supply, a backing horn, a headlamp and the like on the electric bicycle; the signal input plug is hermetically arranged in a signal input plug mounting groove 1-1 arranged on the side wall of the shell; the signal output plug is hermetically arranged in a signal output plug mounting groove 1-2 arranged on the side wall of the shell; the signal input plug and the signal output plug respectively extend out of the shell or are flush with the side wall of the shell or are recessed into the outer side face of the shell. The signal input plug mounting groove and the signal output plug mounting groove are both of an upper open structure, and when the wiring harness switching PCB with the signal input plug and the signal output plug is assembled, the wiring harness switching PCB 3 is directly placed in the shell correspondingly. The wiring harness switching PCB board is printed with conducting circuits which are different according to the types and models of products, individuals and the design of manufacturers; if the circuit is simple, one side of the wiring harness switching PCB is printed, and if the conducting circuit is complex, the front side and the back side of the wiring harness switching PCB are printed; the embodiment is used for particularly illustrating a wiring schematic diagram of a wiring harness adapter box wiring harness adapter PCB for an electric bicycle; please refer to fig. 10.

In the actual production process, according to the type and the model specification of the application vehicle, a plurality of signal output plugs can be arranged according to the functional requirements of the electric vehicle, the integrated socket design can also be adopted, and some plugs with the future product expansion function, such as a line fault maintenance plug and an intelligent control plug, can also be reserved.

Preferably, the shape of the housing is a square, circle or polygon structure. The requirements of different vehicle types and different installation spaces are met. A square structure is preferred in this embodiment; a first socket and a second socket which are of a circular structure can be randomly arranged on the outer circular wall; a polygonal structure is adopted, a first socket is arranged on one side face of the polygonal structure, and second sockets can be arranged on the other side faces of the polygonal structure;

example 2; referring to fig. 4, in the present embodiment, a sol tank 1-3 is disposed on a matching surface between an upper end surface of the housing and the upper cover, and a waterproof sealant for sealing the upper cover is filled in the sol tank; the casing is favorable for establishing a sealed environment, water is prevented from entering the casing or the moisture is prevented from rising, the wire harness is prolonged to be connected with a circuit on the PCB, and the rest structures are the same as those of the embodiment 1.

Example 3; referring to fig. 5, in the present embodiment, a fixing seat 1-4 is disposed on an outer side of the housing, and the fixing seat is provided with a mounting hole 1-40. The application of the present invention is advantageously adapted and attached to the vehicle body by means of an external fastener as desired. The rest of the structure was the same as in example 2.

Example 4; in this embodiment, a moisture-proof insulating sealant is filled in the housing, and the wiring harness adapting PCB is located in the moisture-proof insulating sealant. Pencil switching PCB board further realizes keeping apart with the external world through sealed glue of dampproofing insulation in the casing, further improves the life of this application product. The rest of the structure was the same as in example 1.

Example 5; referring to fig. 5, in the present embodiment, positioning pillars 1-5 are disposed in the housing, and the wiring harness is connected to positioning holes on the PCB corresponding to the positioning pillars. Improve the utility model discloses at actual packaging efficiency, prevent that pencil switching PCB board from taking place the phenomenon that the dislocation installation leads to unable sealed lock in the casing. The rest of the structure was the same as in example 4.

Example 6; referring to fig. 7, in the present embodiment, the outer side wall of the housing is provided with mounting plates 1 to 6, and the mounting plates are provided with mounting slots. The external mounting plate is suitable for the vehicle body with larger mounting space, and the external mounting structure is favorable for mounting. The rest of the structure was the same as in example 1.

Example 7; referring to fig. 8, in the present embodiment, the bottom surface of the housing is provided with glue storage grooves 1-7; satisfy some and do not have under the external installation environment, adopt sticky mode to fix, be equipped with in the bottom surface and store up the jiao chi, do benefit to the utility model discloses and store more and glue solution between the automobile body, improve the area of contact of casing and glue solution simultaneously, finally reach and have good joint strength with the automobile body. The rest of the structure was the same as in example 1.

Example 8; referring to fig. 9, in this embodiment, support columns 1-8 of the wiring harness adapting PCB are disposed in the housing, and the lower surface of the wiring harness adapting PCB is placed on the support columns in the housing, so that a glue storage space is formed between the wiring harness adapting PCB and the bottom surface of the inner side of the housing, and the glue storage space is densely filled with a moisture-proof insulating sealant; the design of support column does benefit to the support to pencil switching PCB board on the one hand, and on the other hand forms a space after supporting, prevents to the destruction of pencil switching PCB back circuit node, also does benefit to the dampproofing insulating sealed glue of closely knit packing simultaneously, has avoided the lower surface of pencil switching PCB and the laminating of casing ground to form some closed air chambers under the condition that does not have the support column like this, can seal partial air in the air chamber, will influence like this and expose the life-span of the circuit in the air chamber. The rest of the structure was the same as in example 5.

Example 9; referring to fig. 10, in the embodiment, the glue containing grooves 1-9 are formed on the upper surfaces of the signal output plug and the signal input plug, so that the signal output plug and the signal input plug are integrally formed with the shell and the shell after the moisture-proof insulating sealing glue is densely filled in the shell and is solidified, the stability of the signal output plug and the signal input plug is improved, and the service life of the signal output plug and the signal input plug is prolonged. The rest of the structure was the same as in example 8.

Example 10; please refer to fig. 11 and 12; the steering flasher control chip of the steering flasher is prefabricated on the PCB, and the PCB, the steering flasher and the left/right steering lamps are electrically connected in sequence; the first control loop of the loudspeaker comprises a PCB, a flash converter and the loudspeaker which are electrically connected in sequence; the second control loop of the loudspeaker comprises a PCB, a button switch and a loudspeaker which are sequentially and electrically connected. The steering flash is a conventional product, and the working principle of the steering flash is known in the art, and the preferred model of the steering flash control chip adopts the conventional MST 1170. The mounting mode of the horn is preferably a plug-in type structure which is inserted on the box cover. The working principle of the embodiment is as follows: when the steering switch is used for dialing to the left or the right, the steering flasher circuit outputs the change of the electric potential, correspondingly switches on the steering of the steering side and the like, and simultaneously sends an audio signal to the loudspeaker and sends steering signal sound through the loudspeaker; when a button switch for controlling the horn on the handlebar is pressed, the horn is switched on and a warning sound is given; the utility model discloses with turn to flasher and loudspeaker on pencil turns to the box simultaneously, saved flasher, loudspeaker independent installation, also concentrate on a pencil turning box with turn to warning sound and warning sound simultaneously, solve the current problem that need dispose two buzzers and have the safe fault point alone many; meanwhile, the problem of inconvenience in installation and maintenance caused by the fact that the flashers and the loudspeakers are installed in the installation space of the instrument in the prior art is solved; in addition, the steering flasher control chip is intensively sealed in the box body by adopting moisture-proof insulating sealant, so that the steering flasher control chip has moisture-proof and shock-proof functions, and the service life of the steering flasher control chip is prolonged.

To sum up, the utility model discloses the structure has been solved current electric vehicle bus and scattered separated time wiring complicacy, and the wiring is more in disorder, the wiring is not hard up, wiring inefficiency, overhaul complicated problem easily appear. Simultaneously compare with some adoption waterproof bus of prior art and waterproof separated time integration at inseparable integrated pencil of an organic whole, greatly reduced the cost, played basically the same effect, can adopt completely the utility model discloses structure product cooperation conventional bus replaces this kind of integrated pencil, and then has reduced the price of whole car, does benefit to marketing. In addition, the utility model discloses simple structure, small, low cost, installation advantage such as firm.

The above description is only exemplary of the present invention and should not be taken as limiting, and any modifications, equivalents, improvements, etc., such as the shape, material, size, etc., of the housing, which are made within the spirit and principles of the present invention, should be included within the scope of the present invention.

Claims (10)

1. The wiring harness adapter box for the motor vehicle and the electric vehicle is characterized by comprising a shell and an upper cover, wherein the upper cover is hermetically arranged on the shell; a wiring harness switching PCB is fixedly arranged in the shell,

a plurality of conducting circuits are prefabricated on the wiring harness switching PCB, one end of each conducting circuit is connected with a signal input plug for receiving a control signal, and the other end of each conducting circuit is connected with a signal output plug for data interaction with a controlled element;

the signal input plug is hermetically installed in a signal input plug installation groove formed in the side wall of the shell; the signal output plug is hermetically installed in a signal output plug installation groove formed in the side wall of the shell.

2. The wire harness transition box for motor vehicles and electric vehicles according to claim 1, wherein: the shape of the shell is a square, round or polygonal structure.

3. The wire harness transition box for motor vehicles and electric vehicles according to claim 1, wherein: the glue dissolving tank is arranged on the matching surface of the upper end face of the shell and the upper cover, and waterproof sealant for connecting the upper cover in a sealing manner is filled in the glue dissolving tank.

4. The wire harness transition box for motor vehicles and electric vehicles according to claim 1, wherein: the outside of casing is equipped with the fixing base, the fixing base is equipped with the mounting hole.

5. The wire harness transition box for motor vehicles and electric vehicles according to claim 1, wherein: and moisture-proof insulating sealant is filled in the shell, and the wiring harness switching PCB is positioned in the moisture-proof insulating sealant.

6. The wire harness transition box for motor vehicles and electric vehicles according to claim 1, wherein: and a positioning column is arranged in the shell, and the wiring harness is connected with a positioning hole in the PCB in a switching manner corresponding to the position of the positioning column.

7. The wire harness transition box for motor vehicles and electric vehicles according to claim 1, wherein: the casing lateral wall is equipped with the mounting panel, be equipped with the installation slot hole on the mounting panel.

8. The wire harness transition box for motor vehicles and electric vehicles according to claim 1, wherein: the bottom surface of the shell is provided with a glue storage groove.

9. The wire harness transition box for motor vehicles and electric vehicles according to claim 1, wherein: the utility model discloses a waterproof insulation glue box, including casing, pencil switching PCB board, support column, the casing is equipped with pencil switching PCB board support column in the casing, in the casing the lower surface of pencil switching PCB board is placed on the support column, makes pencil switching PCB board and the inboard bottom surface of casing form and stores up gluey space, closely knit packing dampproofing insulating sealed glue storing up gluey space.

10. The wire harness transition box for motor vehicles and electric vehicles according to claim 1, wherein: the steering flasher control chip of the steering flasher is prefabricated on the PCB, and the PCB, the steering flasher and the left/right steering lamps are electrically connected in sequence; the first control loop of the loudspeaker comprises a PCB, a flash converter and the loudspeaker which are electrically connected in sequence; the second control loop of the loudspeaker comprises a PCB, a button switch and a loudspeaker which are sequentially and electrically connected.

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