CN207541188U - A kind of device for realizing series-connected cell system any position detection of electrical leakage - Google Patents

Abstract

The utility model discloses a device for realizing leakage detection at any position of a series battery system, which comprises a central control box, and the central control box is sequentially connected with a first signal processor, a vehicle controller and a second signal signal processor from left to right. The processor, the left and right sides of the central control box are fixedly connected with connecting pipes, and the opposite ends of the two connecting pipes are respectively socketed with a first signal collecting device and a second signal collecting device. The utility model cooperates with the first positioning device, the second positioning device, the first positioning card and the second positioning card. connection, when there is a leakage, the first positioning device and the second positioning device are energized, at this time, the first signal collection device and the second signal collection device can confirm the position of the first positioning device or the second positioning device when the power is on, so as to confirm The specific location of the leakage.

Description

A device for realizing leakage detection at any position of a series battery system

technical field

The utility model relates to the technical field of new energy vehicles, in particular to a device for realizing leakage detection at any position of a series battery system.

Background technique

With the increasing global awareness of environmental protection and getting rid of the dependence on traditional fuel vehicles, new energy vehicles are developing rapidly, especially the development trend of pure electric vehicles is growing. Power battery packs and other high-voltage equipment are key components of pure electric vehicles. The safety of high-voltage electricity must be one of the primary considerations for the power battery system. Therefore, in the research of pure electric vehicles, a higher level of insulation performance between the power battery pack's higher working voltage system and the entire vehicle has been proposed. requirements.

In the whole vehicle, factors such as the influence of the external environment, such as the humidity of the air, the aging of the insulating medium, the wear and tear of the high-voltage wiring harness, the bad changes of the battery cells inside the power battery pack and the external load, etc. will lead to the gap between the high-voltage battery system and the whole vehicle. Diminished insulation performance. If it is serious, it will cause the positive or negative pole of the high-voltage battery to leak electricity to the car body, endangering the safety of personnel. In addition, due to the vibration of the whole vehicle or the quality of the contactor itself, the contactor inside the high-voltage battery of the pure electric vehicle may be stuck. If the contactor is stuck, the vehicle cannot be disconnected from the high voltage, which will pose a safety hazard. In the existing technology, the insulation detection device of the power battery can only test the insulation resistance of the positive and negative poles of the power battery to the vehicle body, but cannot detect the insulation resistance of other positions, so it can only diagnose the leakage of the positive and negative poles of the battery, and cannot Diagnose leakage conditions elsewhere in the battery system.

Utility model content

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the utility model provides a device for realizing the leakage detection at any position of the series battery system, which solves the problem that the prior art cannot confirm the leakage position of the series battery.

(2) Technical solutions

In order to achieve the above purpose, the utility model provides the following technical solutions: a device for realizing leakage detection at any position of the series battery system, including a central control box, and the central control box is sequentially socketed with a first signal processor, a The vehicle controller and the second signal processor, the left and right sides of the central control box are fixedly connected with connecting pipes, and the opposite ends of the two connecting pipes are respectively sleeved with the first signal collecting device and the second signal collecting device. The collecting device, the first signal collecting device and the second signal collecting device are respectively sleeved with a first battery fixing frame and a second battery fixing frame, and the front and rear of the first battery fixing frame and the inner wall of the second battery fixing frame Both sides are respectively fixedly connected with a first positioning device and a second positioning device, and the first positioning device and the second positioning device are respectively fixedly connected with the first positioning card and the second positioning card through the first connecting line and the second connecting line , the vehicle controller is electrically connected to the first signal processor and the second signal processor respectively, and the first signal processor and the second signal processor are electrically connected to the first signal collection device and the second signal collection device respectively connected, the first signal collecting device is electrically connected to the first positioning device, and the second signal collecting device is electrically connected to the second positioning device.

Preferably, one end of the connecting pipe is located in the middle of one side of the central control box, and the opposite ends of the two connecting pipes are respectively fixedly connected to the opposite sides of the first signal collecting device and the second signal collecting device.

Preferably, the opposite sides of the first signal processor and the second signal processor overlap with the left and right sides of the vehicle controller respectively.

Preferably, the number of the first positioning devices is six, and the six first positioning devices are distributed equidistantly in groups of three on the front and rear sides of the inner wall of the first battery fixing frame.

Preferably, the number of the second positioning devices is six, and the six second positioning devices are distributed equidistantly in groups of three on the front and rear sides of the inner wall of the second battery fixing frame.

Preferably, the first positioning device is electrically connected to the second positioning card through a first connection line, and the second positioning device is electrically connected to the second positioning card through a second connection line.

(3) Beneficial effects

The utility model provides a device for realizing leakage detection at any position of a series battery system. Has the following beneficial effects:

(1), the utility model is used through the cooperation of the first positioning device, the second positioning device, the first positioning card and the second positioning card, and the first positioning card and the second positioning card are connected with the two battery boxes at the front and back of the car respectively. The battery is connected in series. When the electricity leaks, the first positioning device and the second positioning device are powered on. At this time, the first signal collecting device and the second signal collecting device can confirm the position of the powered first positioning device or the second positioning device. , so that the specific location of the leakage can be confirmed.

(2), the utility model can process the information fed back by the first signal collection device and the second signal collection device through the use of the first signal processor, the second signal processor and the vehicle controller, so that the vehicle The controller can control the car, avoiding the life injury of the driver caused by the electric leakage.

Description of drawings

Fig. 1 is the top view of structure of the present utility model;

Fig. 2 is the front sectional view of the control box in the structure of the utility model.

In the figure: 1 central control box, 2 first signal processor, 3 second signal processor, 4 vehicle controller, 5 connecting pipe, 6 first signal collecting device, 7 second signal collecting device, 8 first battery Fixed frame, 9 second battery fixed frame, 10 first positioning device, 11 first connecting wire, 12 first positioning card, 13 second positioning device, 14 second connecting wire, 15 second positioning card.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figure 1-2, the utility model provides a technical solution: a device for realizing leakage detection at any position of a series battery system, including a central control box 1, and the central control box 1 is sequentially socketed with first The signal processor 2, the vehicle controller 4 and the second signal processor 3, through the use of the vehicle controller 4, the vehicle controller 4 is applied to control the circuit of the entire vehicle, and the left and right sides of the central control box 1 are The connection pipe 5 is fixedly connected. By being provided with the connection pipe 5, the purpose of the connection pipe 5 is to store the electric wires used for connection, so as to avoid the situation that the electric wires are prone to disconnection during automobile movement. The opposite ends of the two connection pipes 5 are respectively The first signal collection device 6 and the second signal collection device 7 are socketed, one end of the connecting pipe 5 is located in the middle of one side of the central control box 1, and the opposite ends of the two connecting pipes 5 are connected to the first signal collecting device 6 respectively. It is fixedly connected to the opposite side of the second signal collection device 7, and the opposite sides of the first signal processor 2 and the second signal processor 3 are respectively overlapped with the left and right sides of the vehicle controller 4, and the first signal collection device 6 The first battery fixing frame 8 and the second battery fixing frame 9 are respectively sleeved on the second signal collecting device 7, and the front and rear sides of the inner wall of the first battery fixing frame 8 and the second battery fixing frame 9 are fixedly connected with the first battery fixing frame 8 and the second battery fixing frame 9 respectively. A positioning device 10 and a second positioning device 13, the number of the first positioning device 10 is six, and the six first positioning devices 10 are distributed equidistantly on the front and rear sides of the first battery fixing frame 8 inner wall with three as a group. side, the number of the second positioning device 13 is six, and the six second positioning devices 13 are distributed equidistantly on the front and rear sides of the inner wall of the second battery fixing frame 9 in groups of three, by placing the first positioning device 10 The number of the second positioning device 13 is set to six, and the six first positioning devices 10 and the second positioning device 13 are respectively connected to the lines on the battery, so as to monitor the series lines and timely feedback the leakage situation , the first positioning device 10 and the second positioning device 13 are fixedly connected to the first positioning card 12 and the second positioning card 15 through the first connecting line 11 and the second connecting line 14 respectively, and the first positioning device 10 is fixedly connected to the first positioning card 12 through the first connecting line 11 is electrically connected with the second positioning card 15, and the second positioning device 13 is electrically connected with the second positioning card 15 through the second connection line 14, and the vehicle controller 4 is connected with the first signal processor 2 and the second signal processor respectively. 3 are electrically connected, the first signal processor 2 and the second signal processor 3 are electrically connected to the first signal collecting device 6 and the second signal collecting device 7 respectively, the first signal collecting device 6 is electrically connected to the first positioning device 10, The second signal collecting device 7 is electrically connected with the second positioning device 13, and through the cooperation and use of the first positioning device 10, the second positioning device 13, the first positioning card 12 and the second positioning card 15, the first positioning card 12 and the second positioning card 15 are respectively connected in series with the two battery box batteries in the front and rear of the automobile. When the electricity leaks, the first positioning device 10 and the second positioning device 13 are energized. Collecting device 7 can first locate the electrification The device 10 or the second positioning device 13 positions are confirmed, so that the specific position of the leakage can be confirmed, and the first signal can be converted to the first signal by using the first signal processor 2, the second signal processor 3 and the vehicle controller 4 The information fed back by the collecting device 6 and the second signal collecting device 7 is processed, so that the whole vehicle controller 4 can control the vehicle, avoiding electric leakage causing life injury to the driver.

Working principle: When in use, the first positioning card 12 and the second positioning card 15 are connected to the battery in series circuit. When a certain line on the circuit leaks, at this time, the first positioning device 10 or the second positioning device 13 can light up. From the beginning, the first signal collection device 6 and the second signal collection device 7 respectively determine the position of the first positioning device or the second positioning device 13 that is lit, so that the first signal processor 2 and the second signal processor 3 After confirmation, the vehicle controller 4 can perform a power-off operation on the vehicle, and then perform maintenance on the leakage.

The electrical components appearing in this article are all connected with the external main controller and 220V mains electricity, and the main controller can be a conventional known device that plays a control such as a computer.

To sum up, the device for realizing leakage detection at any position of the series battery system, through the cooperation of the first positioning device 10, the second positioning device 13, the first positioning card 12 and the second positioning card 15, the first positioning The card 12 and the second positioning card 15 are respectively connected with the two battery box batteries in the front and rear of the automobile in series. When the electricity leaks, the first positioning device 10 and the second positioning device 13 are energized. The second signal collection device 7 can confirm the position of the first locating device 10 or the second locating device 13 when the power is on, so as to confirm the specific position of the leakage, by first signal processor 2, second signal processor 3 and the whole vehicle The use of the controller 4 can process the information fed back by the first signal collection device 6 and the second signal collection device 7, so that the whole vehicle controller 4 can control the car, avoiding electric leakage causing life damage to the driver, thereby The problem that the prior art cannot confirm the leakage position of the battery in series is solved.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. any such actual relationship or order exists between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or apparatus.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A device for realizing leakage detection at any position of a series battery system, comprising a central control box (1), characterized in that: the central control box (1) is sequentially socketed with a first signal processor (2) from left to right ), the vehicle controller (4) and the second signal processor (3), the left and right sides of the central control box (1) are fixedly connected with connecting pipes (5), and the two connecting pipes (5) The opposite ends of the first signal collection device (6) and the second signal collection device (7) are respectively socketed, and the first signal collection device (6) and the second signal collection device (7) are respectively socketed with The first battery fixing frame (8) and the second battery fixing frame (9), the front and rear sides of the first battery fixing frame (8) and the second battery fixing frame (9) are respectively fixedly connected with first positioning device (10) and the second positioning device (13), the first positioning device (10) and the second positioning device (13) are connected to the first connecting line (11) and the second connecting line (14) respectively The positioning card (12) is fixedly connected to the second positioning card (15), and the vehicle controller (4) is electrically connected to the first signal processor (2) and the second signal processor (3) respectively, and the first signal processor (2) is electrically connected to the second signal processor (3). A signal processor (2) and a second signal processor (3) are electrically connected to the first signal collection device (6) and the second signal collection device (7) respectively, and the first signal collection device (6) is connected to the second signal collection device (7). A positioning device (10) is electrically connected, and the second signal collecting device (7) is electrically connected to the second positioning device (13). 2. A device for realizing leakage detection at any position of a series battery system according to claim 1, characterized in that: one end of the connecting pipe (5) is located in the middle of one side of the central control box (1), and two The opposite ends of the connecting pipe (5) are respectively fixedly connected to opposite sides of the first signal collecting device (6) and the second signal collecting device (7). 3. A device for realizing leakage detection at any position of a series battery system according to claim 1, characterized in that: the opposite sides of the first signal processor (2) and the second signal processor (3) are respectively It is overlapped with the left and right sides of the vehicle controller (4). 4. A device for realizing leakage detection at any position of a series battery system according to claim 1, characterized in that: the number of the first positioning devices (10) is six, and the six first positioning devices (10) ) are equidistantly distributed in groups of three on the front and rear sides of the inner wall of the first battery fixing frame (8). 5. A device for realizing leakage detection at any position of a series battery system according to claim 1, characterized in that: the number of the second positioning devices (13) is six, and the six second positioning devices (13) ) are equidistantly distributed in groups of three on the front and back sides of the inner wall of the second battery fixing frame (9). 6. A device for realizing leakage detection at any position of a series battery system according to claim 1, characterized in that: the first positioning device (10) communicates with the second positioning card (15) through the first connection line (11) ), and the second positioning device (13) is electrically connected to the second positioning card (15) through the second connection line (14).