Intelligent whole vehicle monitoring device, system and method

Abstract

The invention relates to an intelligent whole vehicle monitoring device, system and method, and belongs to the technical field of 12V lithium batteries, and the intelligent whole vehicle monitoring device comprises a whole vehicle controller which is used for sending a whole vehicle high voltage instruction; and the whole vehicle low-voltage controller is electrically connected with the whole vehicle controller and is used for receiving the state data sent by each electric component electrically connected with the whole vehicle low-voltage controller after the vehicle receives the high-voltage loading instruction and completes high-voltage loading, so as to complete monitoring of the whole vehicle. The problem that the whole vehicle state cannot be monitored in real time due to the fact that a storage battery system is not perfect in the prior art is effectively solved.

Description

Technical Field

[0001] The present invention relates to the technical field of 12V lithium batteries, and in particular to an intelligent vehicle monitoring device, system and method. Background Art

[0002] As a representative of new energy vehicles, hybrid vehicles have the advantages of economy, energy saving, and environmental protection. The battery of a hybrid vehicle includes a high-voltage power battery pack, which provides power for the electric motor of the hybrid vehicle, referred to as a large battery, and a low-voltage 12V battery (lithium battery) that provides lighting and steering assistance for the car's instruments and steering wheel, referred to as a small battery.

[0003] When the vehicle is not in the starting state, the small battery provides power for the entire vehicle for use. When the vehicle is in the starting state, the large battery provides power for the entire vehicle and charges the small battery through DCDC (inverter) at the same time.

[0004] The existing battery system is not perfect and cannot monitor the vehicle's condition in real time after the power is turned off. As a result, if the vehicle is dormant, we have no idea about the status of the entire vehicle, especially the power battery status. If thermal runaway occurs, there is no real-time warning and no notification to the user, which is extremely dangerous. Summary of the invention

[0005] In view of this, it is necessary to provide an intelligent vehicle monitoring device, system and method to solve the problem that the prior art cannot monitor the status of the vehicle in real time due to an imperfect battery system.

[0006] In order to solve the above problems, the present invention provides an intelligent vehicle monitoring device, comprising: The vehicle controller is used to send high-voltage instructions to the vehicle; The vehicle low-voltage controller is electrically connected to the vehicle controller and is used to receive status data sent by various electrical components electrically connected to the vehicle low-voltage controller after the vehicle receives the high-voltage command and completes the high-voltage, so as to complete the monitoring of the whole vehicle.

[0007] In a possible implementation, the vehicle low-voltage controller is electrically connected to the vehicle controller via a high-voltage to low-voltage controller.

[0008] In a possible implementation manner, the device further includes: The power battery controller is electrically connected to the vehicle controller and the high-voltage to low-voltage controller, and is used to receive high-voltage instructions on the vehicle and control the power battery relay of the new energy vehicle to close.

[0009] The present invention also provides an intelligent vehicle monitoring system, comprising: a power battery, a power battery relay, and an intelligent vehicle monitoring device as described in any one of the above-mentioned device items; The power battery is electrically connected to the intelligent vehicle device via a power battery relay.

[0010] In a possible implementation, the power batteries are electrically connected to the high-voltage to low-voltage controllers respectively through power battery relays.

[0011] In a possible implementation, the system further includes: a power-off button switch electrically connected to the vehicle controller and configured to send an excitation signal to the vehicle controller so that the vehicle controller sends a high-voltage command for the vehicle.

[0012] In a possible implementation, the power battery is further electrically connected to the power battery controller via a power battery relay; The power battery controller is used to receive the high voltage reduction instruction of the whole vehicle and disconnect the power battery relay to power off the whole vehicle.

[0013] The present invention also provides an intelligent vehicle monitoring method, which is applied to the intelligent vehicle monitoring system described in any one of the above-mentioned system items, and is characterized by comprising: Controlling the power-off button switch to send an excitation signal to the vehicle controller to power off the new energy vehicle; Obtain the wake-up signal reception status of the vehicle within a preset time range after the vehicle is powered off; If the car does not receive the wake-up signal within the preset time range, the vehicle controller sends a high-voltage command to the power battery controller, otherwise the car continues to sleep; After the vehicle is powered up, the status data of each component in the vehicle is obtained to complete the monitoring of the entire vehicle.

[0014] In a possible implementation, obtaining the wake-up signal reception status of the vehicle within a preset time range after the vehicle is powered off includes: Determine whether the vehicle receives a wake-up signal including unlocking the vehicle and opening the door within a preset time range after the vehicle is powered off.

[0015] In a possible implementation, the step of obtaining status data of a low-voltage component in a vehicle includes: Obtain the voltage, current, SOC and temperature data of the power battery inside the car; Obtain voltage, current and temperature data of electrical appliances in the car.

[0016] The beneficial effects of the present invention are as follows: the present invention provides an intelligent whole vehicle monitoring device, comprising a whole vehicle controller and a whole vehicle low voltage controller electrically connected to the whole vehicle controller and the low voltage components respectively; after the car is in sleep mode, a high voltage instruction can be sent through the whole vehicle controller to enable the power battery to supply power to the whole vehicle low voltage controller; then, the status of each low voltage component is obtained through the whole vehicle low voltage controller to complete the whole vehicle monitoring, thereby effectively solving the problem in the prior art that the whole vehicle status cannot be monitored in real time due to an imperfect battery system. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the structure of an embodiment of an intelligent vehicle monitoring device provided by the present invention; Figure 2 A schematic diagram of the structure of an embodiment of an intelligent vehicle monitoring system provided by the present invention; Figure 3 A method flow chart of an embodiment of an intelligent vehicle monitoring method provided by the present invention. DETAILED DESCRIPTION

[0018] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of this application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0019] In the description of the embodiments of the present invention, unless otherwise specified, "multiple" means two or more than two. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, "A and / or B" may mean: A exists alone, A and B exist at the same time, and B exists alone.

[0020] The descriptions of "first", "second", etc. involved in the embodiments of the present invention are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the technical features defined as "first" and "second" may explicitly or implicitly include at least one of the features.

[0021] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments. In order to solve the above problems, Figure 1 As shown, the present invention provides an intelligent vehicle monitoring device 10, comprising: The vehicle controller 110 is used to send high voltage instructions to the vehicle; The vehicle low-voltage controller 120 is electrically connected to the vehicle controller 110, and is used to receive status data sent by various electrical components electrically connected to the vehicle low-voltage controller 120 after the vehicle receives the high-voltage command and completes the high-voltage, so as to complete the monitoring of the whole vehicle.

[0022] Furthermore, the vehicle low-voltage controller can be a battery management system (BMS) or a TBox. The vehicle low-voltage controller shares and monitors status data with other electrical components through a communication port.

[0023] In a possible implementation, the vehicle low-voltage controller 120 is electrically connected to the vehicle controller 110 via a high-voltage to low-voltage controller 130 .

[0024] In a possible implementation, the apparatus 10 further includes: The power battery controller 140 is electrically connected to the vehicle controller 110 and the high-voltage to low-voltage controller 130 , and is used to receive high-voltage instructions on the vehicle and control the power battery relay of the new energy vehicle to close.

[0025] Compared with the prior art, the present invention provides an intelligent whole vehicle monitoring device, including a whole vehicle controller and a whole vehicle low-voltage controller electrically connected to the whole vehicle controller and the low-voltage components respectively. After the car is dormant, the whole vehicle controller can send a high-voltage command to enable the power battery to supply power to the whole vehicle low-voltage controller, and then the status of each low-voltage component is obtained through the whole vehicle low-voltage controller to complete the whole vehicle monitoring, thereby effectively solving the problem of the prior art that the whole vehicle status cannot be monitored in real time due to the imperfect battery system.

[0026] like Figure 2 , the present invention also provides an intelligent vehicle monitoring system 20, comprising: a power battery 210, a power battery relay 220 and an intelligent vehicle monitoring device 10; The power battery 210 is electrically connected to the intelligent vehicle device 10 via a power battery relay 220 .

[0027] In a possible implementation, the power batteries 210 are electrically connected to the high-voltage to low-voltage controller 130 through the power battery relays 220 .

[0028] In a possible implementation, the system 20 further includes: a power-off button switch 230 electrically connected to the vehicle controller 110, and configured to send an excitation signal to the vehicle controller 110 so that the vehicle controller 110 sends a high-voltage command for the vehicle.

[0029] In a possible implementation, the power battery 210 is also electrically connected to the power battery controller 140 via the power battery relay 220; The power battery controller 210 is used to receive a high voltage command for the entire vehicle and disconnect the power battery relay 220 to power off the entire vehicle.

[0030] like Figure 3 The present invention also provides an intelligent vehicle monitoring method, comprising: S301, controlling the power-off button switch to send an excitation signal to the vehicle controller to power off the new energy vehicle; Specifically, the power-off button switch may be a PEPS controller.

[0031] S302, obtaining a wake-up signal reception status of the vehicle within a preset time range after the vehicle is powered off; Furthermore, it is determined whether the vehicle receives a wake-up signal including vehicle unlocking and door opening within a preset time range after the vehicle is powered off.

[0032] S303: If the car does not receive a wake-up signal within a preset time range, the vehicle controller is controlled to send a high-voltage instruction to the power battery controller, otherwise the car continues to sleep; S304: After the vehicle is powered up, status data of each component in the vehicle is obtained to complete vehicle monitoring.

[0033] Furthermore, the voltage, current, SOC and temperature data of the power battery inside the vehicle are obtained, and the voltage, current and temperature data of the electrical appliances inside the vehicle are obtained.

[0034] Exemplarily, the implementation process of the present invention is as follows: The first step is that the user presses the power-off button switch, i.e. the PEPS controller, to power off the vehicle. Step 2: After the user turns off the power, if the vehicle does not receive any other wake-up commands within 3 minutes, such as unlocking, opening the door, etc., it will enter normal sleep mode; Step 3: The vehicle controller sends a power-on command; Step 4: After receiving the request, the power battery controller starts to execute the high voltage request, that is, the power battery controller controls the power battery relay to close and completes the high voltage action; The fifth step is to supply power to the low-voltage electrical appliances of the vehicle, such as BMS, Tbox, etc., through the high-voltage to low-voltage controller after the high voltage is turned on, and the status of the vehicle is monitored to ensure that there are no abnormalities in the controllers such as the power battery.

[0035] Those skilled in the art will appreciate that all or part of the processes of the above-mentioned embodiments can be implemented by instructing related hardware (such as a processor, a controller, etc.) through a computer program, and the computer program can be stored in a computer medium, wherein the computer medium is a disk, an optical disk, a read-only storage memory, or a random access storage memory, etc.

[0036] The intelligent vehicle monitoring device, system and method provided by the present invention are introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea; at the same time, for technical personnel in this field, according to the idea of ​​the present invention, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. An intelligent vehicle monitoring device, applied to new energy vehicles, characterized in that: include: The vehicle controller is used to send high-voltage instructions to the vehicle; The vehicle low-voltage controller is electrically connected to the vehicle controller and is used to receive status data sent by various electrical components electrically connected to the vehicle low-voltage controller after the vehicle receives the high-voltage instruction and completes the high-voltage, so as to complete the monitoring of the whole vehicle.

2. The intelligent vehicle monitoring device according to claim 1, characterized in that: The vehicle low-voltage controller is electrically connected to the vehicle controller via a high-voltage to low-voltage controller.

3. The intelligent vehicle monitoring device according to claim 2, characterized in that: The device also includes: The power battery controller is electrically connected to the vehicle controller and the high-voltage to low-voltage controller, and is used to receive high-voltage instructions on the vehicle and control the power battery relay of the new energy vehicle to close.

4. An intelligent vehicle monitoring system, characterized in that: include: A power battery, a power battery relay, and an intelligent vehicle monitoring device as claimed in any one of claims 1 to 3; The power battery is electrically connected to the intelligent vehicle device via a power battery relay.

5. The intelligent vehicle monitoring system according to claim 4, characterized in that: The power batteries are electrically connected to the high-voltage to low-voltage controllers respectively through power battery relays.

6. The intelligent vehicle monitoring system according to claim 4, characterized in that: The system also includes: a power-off button switch, which is electrically connected to the vehicle controller and is used to send an excitation signal to the vehicle controller so that the vehicle controller sends a high-voltage power-off instruction for the vehicle.

7. The intelligent vehicle monitoring system according to claim 6, characterized in that: The power battery is also electrically connected to the power battery controller via a power battery relay; The power battery controller is used to receive the high voltage reduction instruction of the whole vehicle and disconnect the power battery relay to power off the whole vehicle.

8. An intelligent vehicle monitoring method, applied to the intelligent vehicle monitoring system according to any one of claims 4 to 7, characterized in that: include: Controlling the power-off button switch to send an excitation signal to the vehicle controller to power off the new energy vehicle; Obtain the wake-up signal reception status of the vehicle within a preset time range after the vehicle is powered off; If the car does not receive the wake-up signal within the preset time range, the vehicle controller sends a high-voltage command to the power battery controller, otherwise the car continues to sleep; After the vehicle is powered up, the status data of each component in the vehicle is obtained to complete the monitoring of the entire vehicle.

9. The intelligent vehicle monitoring method according to claim 8, characterized in that: The step of obtaining the wake-up signal reception status of the vehicle within a preset time range after the vehicle is powered off includes: Determine whether the vehicle receives a wake-up signal including unlocking the vehicle and opening the door within a preset time range after the vehicle is powered off.

10. The intelligent vehicle monitoring method according to claim 8, characterized in that: The step of obtaining status data of low-voltage components in the vehicle includes: Obtain the voltage, current, SOC and temperature data of the power battery inside the car; Obtain voltage, current and temperature data of electrical appliances in the car.

Images