CN217739414U

CN217739414U - Battery pack test switching box and battery pack test system

Info

Publication number: CN217739414U
Application number: CN202221043861.4U
Authority: CN
Inventors: 陈良生
Original assignee: Autel Intelligent Technology Corp Ltd
Current assignee: Autel Intelligent Technology Corp Ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-11-04
Anticipated expiration: 2032-04-29

Abstract

The utility model relates to an automobile battery detects technical field, concretely relates to battery package test switching box and battery package test system. The utility model provides a battery package test switching box includes switching box casing and wire jumper pencil, be provided with a plurality of universal socket on the switching box casing to and be used for connecting battery management system connection module's serial communication interface, universal socket passes through the communication socket that wire jumper pencil connected battery package, the inside switching unit that is equipped with of switching box casing, the switching unit is connected with serial communication interface and universal socket electricity respectively, the switching unit is used for being connected every stitch and a plurality of universal socket one-to-one of serial communication interface. Through the structure, the BMSI can be correspondingly connected with most of battery packs on the market through the battery pack test switching box, the connection mode is simple, convenient and flexible, the applicability and the universality are high, the adaptability of BMSI equipment to different types of battery packs is greatly improved, and an adapter line special for a special vehicle does not need to be additionally designed.

Description

Battery pack test switching box and battery pack test system

Technical Field

The utility model relates to an automobile battery detects technical field, concretely relates to battery package test switching box and battery package test system.

Background

With the gradual increase of the occupation ratio of new energy vehicles in recent years, a driving battery pack is taken as one of three core components of the new energy vehicles, and the situation that the vehicles cannot work normally due to the failure of the driving battery pack is also rare. Before maintenance is started, during maintenance and after maintenance is completed, diagnostic testing needs to be performed on the Battery pack at any time, communication is established between a Battery pack BMS (Battery Management System) and a BMSI (Battery Management System Interface) to detect the Battery pack, including acquiring a BMS data stream of the Battery pack, reading internal data of the Battery pack and the like, so as to confirm the performance and the state of the Battery pack.

The brands of battery packs on the market are various, the interface types are different, and for the special adaptive wire harnesses for special vehicles, each brand needs to be developed and equipped with several to dozens of wire harnesses. If the main stream brand and the motorcycle type in the market are covered, dozens or even hundreds of wire harnesses are needed, the number is large, the weight is heavy, the management is inconvenient, and the access threshold of the product and the purchase cost of a customer are increased due to high price.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a battery package test switching box and battery package test system, the main technical problem of solving be among the prior art battery package that detects different models need develop the adapter coupling equipment that corresponds the model.

In order to solve the above technical problem, the utility model discloses a technical scheme that embodiment adopted is: the utility model provides a battery package test switching box, includes switching box casing and wire jumper pencil, be provided with a plurality of universal socket on the switching box casing to and be used for connecting the serial communication interface of battery management system link module, universal socket passes through the communication socket of battery package is connected to the wire jumper pencil, the inside switching unit that is equipped with of switching box casing, switching unit respectively with serial communication interface with the universal socket electricity is connected, switching unit be used for with every stitch of serial communication interface with a plurality of universal socket one-to-one are connected.

Optionally, the jumper wire harness includes a connection wire, and the jumper wire harness further includes at least one or more of an extension line, a butt joint line, a serial connection line, and a triple junction line.

Optionally, universal socket is the female end of banana head, connecting wire's one end is the public end of banana head, connecting wire's the other end is the terminal of the communication socket stitch of corresponding battery package.

Optionally, the both ends of extension line are banana head male end and banana head female end respectively, the both ends of being to the wiring are banana head female end, the both ends of cluster wire are banana head male end, one becomes the one end of three separated time and is banana head male end, one becomes the other end of three separated time and is three banana head female end side by side.

Optionally, the adaptor box housing is provided with a mark corresponding to the universal socket.

Optionally, the adapter box shell is further provided with at least one pair of resistor interfaces, and a preset resistor is connected between each pair of the resistor interfaces.

Optionally, the preset resistor is an adjustable resistor.

Optionally, an indicator light corresponding to the universal socket is arranged on the adapter box shell, and the indicator light is used for prompting when the corresponding universal socket is communicated.

In order to solve the above technical problem, the embodiment of the present invention adopts another technical solution: there is provided a battery pack testing system, the system comprising: the battery pack testing adapter box comprises a battery pack, a battery management system connecting module and the battery pack testing adapter box, wherein a serial communication socket of the battery management system connecting module is connected with a serial communication interface of the battery pack testing adapter box, and a communication socket of the battery pack is connected to a corresponding universal socket of the battery pack testing adapter box through the jumper wire harness.

Optionally, the battery pack further includes a battery management system, the battery management system is disposed outside the battery pack, and the battery management system is connected to the battery pack and the universal socket through the jumper wire harness.

Be different from the condition of correlation technique, the utility model provides a battery package test switching box and battery package test system, battery package test switching box is including switching box casing and wire jumper pencil, be provided with a plurality of universal socket on the switching box casing to and be used for connecting battery management system linking module's serial communication interface, universal socket passes through wire jumper pencil connects the communication socket of battery package, the inside switching unit that is equipped with of switching box casing, switching unit respectively with serial communication interface with the universal socket electricity is connected, the switching unit be used for with every stitch of serial communication interface with a plurality of universal socket one-to-ones are connected. Can be so that BMSI connects most battery package on the market through corresponding through above-mentioned structure, its connected mode is simple and convenient nimble, and suitability and commonality are strong, not only can cover mainstream brand motorcycle type, to the brand of xiaozhong and motorcycle type that keeps the volume low, also can be under the prerequisite that does not increase extra pencil and cost, and simple quick implementation is connected, has improved BMSI equipment greatly to the suitability of different grade type battery package, does not need additionally to design the special fitting line of special car. In addition, the battery pack test adapter box is small in size, light in weight, more convenient to carry, simple in manufacturing process and low in overall development and manufacturing cost.

Drawings

Fig. 1 is a schematic structural diagram of a battery pack testing adapter box according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another battery pack test adapter box according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a battery pack testing system according to an embodiment of the present invention;

fig. 4 is a schematic diagram of another battery pack testing system provided by the embodiment of the present invention;

fig. 5 is a schematic diagram of another battery pack testing system according to an embodiment of the present invention.

In the figure: an adapter housing 1; a serial communication interface 11; a universal socket 12; an identifier 13; an indicator lamp 14; a resistance interface 15; a jumper wire harness 2; a battery pack 3; a Battery Management System (BMS) 31; a communication jack 32; a battery management system connection module (BMSI) 4; a serial communication socket 41.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "inner", "outer", and the like as used herein refer to an orientation or positional relationship based on that shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a battery pack testing adapter box 100 according to an embodiment of the present invention, the battery pack testing adapter box 100 includes an adapter box casing 1 and a jumper wire harness 2, the adapter box casing 1 is provided with a plurality of universal sockets 12 and a serial communication interface 11 for connecting a battery management system connection module, and the universal sockets 12 are connected to a communication socket of a battery pack through the jumper wire harness 2.

The inside switching unit that is equipped with of adapter box casing 1, switching unit respectively with serial communication interface with universal socket 12 electricity is connected, switching unit can with every stitch of serial communication interface with a plurality of universal socket one-to-ones are connected, for example switching unit can be the PCB board, uses DB25 type communication interface as an example, switching unit passes through the circuit on the PCB board, will DB25 communication interface's 25 stitches correspond respectively to switch to 25 universal socket 12, the PCB board with universal socket 12 bottom can realize electric connection and physical fixation through modes such as welding, crimping or grafting.

It should be noted that, in the embodiment of the present invention, the 25 universal sockets corresponding to the DB25 communication interfaces are only examples of the universal sockets, and are not limited to the number of the universal sockets, and in some other embodiments, the universal sockets may be provided in other numbers, for example, when the serial communication interface 11 is a DB9 communication interface, 9 universal sockets may be provided corresponding to the DB9 communication interfaces. In addition, the number of the universal sockets may be set corresponding to other communication interfaces not belonging to the dsub type (D-sub interface, which is an analog signal/digital signal interface).

Jumper pencil 2 includes connecting wire, universal socket 12 is banana head female end, connecting wire's one end is banana head male end, with the correspondence connection universal socket 12, connecting wire's the other end is the terminal of the communication socket stitch of corresponding battery package, universal socket 12 passes through jumper pencil 2 connects the communication socket of battery package. It should be noted that, the arrangement of the banana head female end and the banana head male end is only a structure which is provided by the embodiment of the present invention and is convenient for connection, and the arrangement is not limited to the socket structure, and may be other suitable socket structures in other embodiments.

In other embodiments, please refer to fig. 2, fig. 2 is a schematic structural diagram of another battery pack testing adapter box 100 according to an embodiment of the present invention, an identifier 13 corresponding to the universal socket 12 is disposed on the adapter box housing 1, in fig. 2, the identifier 13 is a non-repeated number, and the number indicates which pin of the serial communication interface the universal socket 12 corresponds to. In other embodiments, the identifier 13 may also be other identifiers representing corresponding universal sockets, such as identifiers representing corresponding pins thereof, and may be TXD (transmit data), RXD (receive data), RTS (request to send), or CTS (clear to send), and the like. In addition to the two types of identifiers in the above example, in other embodiments, the identifiers may be other types of identifiers, which is not limited herein.

In other embodiments, referring to fig. 2, at least one pair of resistor interfaces 15 is further disposed on the adapter housing 1, and a preset resistor is connected between each pair of the resistor interfaces 15. In some cases, for example, in the process of detecting a Battery pack, the detection circuit has a specified resistance value, but a configurable resistor inside a BMSI (Battery Management System Interface) fails to meet the specified condition, at this time, the specified resistance value of the detection circuit may be achieved by connecting the preset resistors in series, for example, two pairs of resistor interfaces 15 are provided, one pair of the preset resistors is provided with 100 Ω, and the other pair of the preset resistors is provided with 120 Ω, and a suitable resistance value may be selected according to a scene requirement in actual application.

In an optional scheme, the preset resistor may be an adjustable resistor, for example, the adjustable resistor with a resistance range of 0 to 1k Ω shown in fig. 2, the setting can more conveniently meet the resistance requirement of the detection circuit when detecting the battery pack, and a suitable resistance range may be set according to the scene requirements in practical application.

In other embodiments, referring to fig. 2, an indicator light 14 corresponding to the universal socket 12 is disposed on the adaptor housing 1, and the indicator light 14 can indicate when the corresponding universal socket 12 is in electrical communication.

When indicating the universal sockets 12 with different functions, the indicator lights 14 with different colors can be selected for distinguishing, for example, a red indicator light is arranged beside the universal socket corresponding to the KL30 normal power supply, such as the universal sockets numbered 1, 16 and 21 in fig. 2, an orange indicator light is arranged beside the universal socket corresponding to the KL15 ACC/ON or wake-up power supply, such as the universal socket numbered 2 in fig. 2, when the universal sockets have 12V power supply output, the corresponding indicator lights are ON, and when the universal sockets do not have 12V power supply output, the indicator lights are not ON; for example, green indicating lamps are arranged beside the universal sockets corresponding to the CAN-H and the CAN-L, such as the universal sockets numbered 6, 12, 13 and 14 in the figure 2, and after the CAN network establishes communication, the indicating lamps of the corresponding routes flash and the like.

The utility model provides a battery pack test switching box's is small, light in weight, more portable, and the preparation flow is simple moreover, and the cost of whole development preparation is low. In addition, the battery pack test adapter box can enable the BMSI to be correspondingly connected with most of battery packs on the market through the battery pack test adapter box, and the connection mode is simple, convenient and flexible, and the applicability and the universality are strong.

The battery pack test adaptor box 100 provided in the above embodiment can be applied to a battery pack test system, please refer to fig. 3, an embodiment of the present invention provides a battery pack test system, as shown in fig. 3, the system includes a battery pack 3, a battery management system connection module 4 (BMSI), and the battery pack test adaptor box described above, a serial communication socket 41 of the battery management system connection module 4 is connected with the serial communication interface 11 of the battery pack test adaptor box (for convenience of observing connection relationship, the serial communication interface 11 and the serial communication socket 41 are drawn together in the drawing, and these two can be plug-in connections), and a communication socket 32 of the battery pack is connected to the corresponding universal socket 12 of the battery pack test adaptor box through the jumper harness 2.

In fig. 3 jumper pencil 2 is connecting wire, connecting wire's one end is banana head public end, in order to correspond the connection universal socket 12, connecting wire's the other end is the terminal of the communication socket 32 stitch of corresponding battery package, wherein, the terminal can be the plug-in terminal model of the corresponding matching of selecting according to the battery package 12V communication socket stitch terminal model of difference, the embodiment of the utility model provides an in 2 can contain the connecting wire of multiple different models plug-in terminal to adapt to the communication socket 32 of various model battery packages 3. The universal socket 12 is connected with the communication socket 32 of the battery pack 3 through the jumper wire harness 2, wherein the connection relation can be according to the guidance of a circuit diagram, and the universal socket 12 is correspondingly plugged into the communication socket 32 of the battery pack 3.

In other embodiments, referring to fig. 4, fig. 4 is a case where more than one communication jack 32 is present in the battery pack 3, and in this case, the communication jack 32 may not be directly connected to the universal jack 12 through a connection wire due to a long distance, and in this case, the connection to the universal jack 12 may be facilitated through an extension line in the jumper wire harness 2, where two ends of the extension line are a banana head male end and a banana head female end, respectively, and the extension line can connect the banana head male end of the connection wire to the universal jack 12.

In some other embodiments, referring to fig. 5, fig. 5 is a schematic structural diagram of the battery pack testing system in a case where the battery management system 31 is disposed outside the battery pack 3, at this time, the battery management system 31, namely, the BMS needs to be connected to the battery pack 3 and the universal jack 12 through the jumper wire harness 2, a butt wire in the jumper wire harness 2 may be needed to perform auxiliary connection during connection due to problems such as distance or terminal type, both ends of the butt wire are banana head female ends, and a connection lead connected to the BMS and a connection lead connected to the battery pack can be connected through the butt wire.

In addition, the jumper wire harness 2 further includes a serial connection wire, both ends of the serial connection wire are banana-head male ends, for example, a resistor interface 15 is needed in a certain situation, and the resistor interface 15 and the universal socket 12 can be connected through the serial connection wire. In other embodiments, the jumper harness 2 further includes a triple tap, for example, in the case shown in fig. 5, through which an auxiliary connection is made when one of the universal sockets 12 needs to be connected to the BMS and the communication socket 32 of the battery pack at the same time.

The utility model provides a battery package test switching box and battery package test system, can be so that BMSI passes through battery package test switching box and corresponds the most battery package on connecting the market, its connected mode is simple and convenient nimble, suitability and commonality are strong, not only can cover mainstream brand mainstream motorcycle type, to the brand of the masses of people and the motorcycle type that is low with holding, also can be under the prerequisite that does not increase extra pencil and cost, simple quick implementation is connected, the suitability of BMSI equipment to different grade type battery package has been improved greatly, need not additionally to design special car special use and adapt to the wiring. In addition, the battery pack test adapter box is small in size, light in weight, more convenient to carry, simple in manufacturing process and low in overall development and manufacturing cost.

It should be noted that the preferred embodiments of the present invention are shown in the specification and the drawings, but the present invention can be realized in many different forms, and is not limited to the embodiments described in the specification, which are not intended as additional limitations to the present invention, and are provided for the purpose of making the understanding of the present disclosure more thorough and complete. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a battery package test switching box, its characterized in that includes switching box casing (1) and jumper wire pencil (2), be provided with a plurality of universal socket (12) on switching box casing (1) to and be used for connecting serial communication interface (11) of battery management system link module (4), universal socket (12) are passed through communication socket (32) of battery package (3) are connected in jumper wire pencil (2), switching box casing (1) inside is equipped with switching unit, switching unit respectively with serial communication interface (11) with universal socket (12) electricity is connected, switching unit be used for with each stitch of serial communication interface (11) with a plurality of universal socket (12) one-to-one are connected.

2. The battery pack test junction box of claim 1, wherein the jumper harness (2) comprises connecting wires, the jumper harness (2) further comprising at least one or more of extension wires, butt wires, serial wires, and a triple line.

3. The battery pack test adaptor box of claim 2, wherein the universal socket (12) is a banana head female end, one end of the connecting wire is a banana head male end, and the other end of the connecting wire is a terminal corresponding to a communication socket (32) pin of the battery pack (3).

4. The battery pack test adapter box of claim 3, wherein the two ends of the extension line are a banana head male end and a banana head female end respectively, the two ends of the butt line are banana head female ends, the two ends of the serial line are banana head male ends, one end of the one-to-three line is a banana head male end, and the other end of the one-to-three line is three parallel banana head female ends.

5. The battery pack test junction box according to claim 1, characterized in that an identification (13) corresponding to the universal socket (12) is provided on the junction box housing (1).

6. The battery pack test junction box according to claim 1, wherein at least one pair of resistor interfaces (15) is further arranged on the junction box shell (1), and a preset resistor is connected between each pair of resistor interfaces (15).

7. The battery pack test adapter box of claim 6, wherein the predetermined resistance is an adjustable resistance.

8. The battery pack test junction box according to claim 1, wherein an indicator light (14) corresponding to the universal socket (12) is arranged on the junction box housing (1), and the indicator light (14) is used for giving a prompt when the corresponding universal socket (12) is communicated.

9. A battery pack testing system, the system comprising: a battery pack (3), a battery management system connection module (4), and a battery pack test switching box according to any one of claims 1 to 8, the serial communication socket (41) of the battery management system connection module (4) being connected with the serial communication interface (11) of the battery pack test switching box, the communication socket (32) of the battery pack (3) being connected to the corresponding universal socket (12) of the battery pack test switching box by means of the jumper harness (2).

10. The battery pack testing system according to claim 9, wherein the battery pack (3) further comprises a battery management system (31), the battery management system (31) is disposed outside the battery pack (3), and the battery management system (31) is connected to the battery pack (3) and the universal socket (12) through the jumper harness (2), respectively.