Brake fluid filling method and device, electronic equipment, storage medium and program product

Abstract

The invention discloses a brake fluid filling method and device, electronic equipment, a storage medium and a program product. The method comprises the steps that target vacuumizing time and target brake fluid filling amount corresponding to a brake system pipeline of a target vehicle are obtained; the brake fluid filling equipment is indicated to sequentially vacuumize the brake pipelines located in different directions based on the target vacuumizing time and the set vacuumizing sequence; under the condition that it is determined that the vacuum degree of the brake pipeline in the target direction does not reach the set standard after vacuum pumping, first prompt information used for prompting that the brake pipeline in the target direction needs to be checked is output; and under the condition that it is determined that the vacuum degrees of the brake pipelines located in all the directions after vacuumizing all reach the set standard, brake fluid filling equipment is indicated to conduct brake fluid filling on the brake system pipelines based on the target brake fluid filling amount. According to the method, the problem possibly causing brake fluid filling failure can be rapidly positioned and timely prompted for troubleshooting, and the brake fluid filling success rate and efficiency are effectively improved.

Description

Technical Field

[0001] The present application relates to the field of automobile technology, and in particular to a brake fluid filling method, device, electronic equipment, storage medium and program product. Background Art

[0002] The existing method of filling brake fluid for new energy vehicles relies on manual operation and equipment assistance. It is easy to fail during the filling process and the cause of failure is difficult to locate immediately, resulting in a low filling success rate. The common treatment methods after failure are either to directly check and then have engineers handle it, which is time-consuming and affects production efficiency; or forced filling causes air to mix into the brake system, resulting in a fault alarm, and manual exhaust is required after the vehicle is offline, which is a cumbersome and laborious process. Summary of the invention

[0003] In response to the above technical problems, the embodiments of the present application provide a brake fluid filling method, device, electronic device, storage medium and program product, which can quickly locate problems that may cause brake fluid filling failure and promptly prompt for investigation, effectively improving the brake fluid filling success rate and brake fluid filling efficiency.

[0004] The technical solution of this application is implemented as follows:

[0005] In a first aspect, an embodiment of the present application provides a brake fluid filling method, comprising:

[0006] Obtaining a target vacuuming time and a target brake fluid filling amount corresponding to a brake system pipeline of a target vehicle to be filled with brake fluid;

[0007] Instructing the brake fluid filling device to perform vacuuming operations on brake pipes located at different positions included in the brake system pipes in sequence based on the target vacuuming time and the set vacuuming sequence;

[0008] When it is determined that the vacuum degree of the brake pipe located at any target position in the different positions does not reach the set standard after vacuuming, outputting first prompt information, wherein the first prompt information is used to prompt that the brake pipe at the target position needs to be checked;

[0009] When it is determined that the vacuum degrees of the brake pipes located in all directions after evacuation have reached the set standard, the brake fluid filling device is instructed to perform a brake fluid filling operation on the brake system pipes of the target vehicle based on the target brake fluid filling amount.

[0010] In some embodiments, before the instructing brake fluid filling device sequentially performs vacuuming operations on brake pipes located at different positions included in the brake system pipes based on the target vacuuming time and the set vacuuming sequence, the method further includes:

[0011] establishing a communication link between the brake fluid filling device and a brake-by-wire system of the target vehicle;

[0012] When it is determined that the communication link fails to be established, a second prompt message is output, wherein the second prompt message is used to prompt that the power-on status of the target vehicle needs to be checked, and / or that the communication line between the wire control brake system of the target vehicle and the brake fluid filling equipment needs to be checked.

[0013] In some embodiments, the instructing brake fluid filling device sequentially performs vacuuming operations on brake pipes located at different positions included in the brake system pipes based on the target vacuuming time and the set vacuuming sequence, including:

[0014] In the case where it is determined that the communication link is successfully established, instructing the brake-by-wire system to control the on / off states of the master cylinder solenoid valve for controlling the flow of brake fluid in the brake system pipeline and the solenoid valves for respectively controlling the flow of brake fluid in the brake pipelines located at different positions based on the set vacuum pumping sequence;

[0015] Based on the on / off states of the master cylinder solenoid valve and the solenoid valves for respectively controlling the flow of brake fluid in the brake pipes at different positions, the brake fluid filling device is instructed to perform vacuum operations on the brake pipes at different positions included in the brake system pipelines in turn.

[0016] In some embodiments, obtaining a target vacuuming time and a target brake fluid filling amount corresponding to a brake system pipeline of a target vehicle to be filled with brake fluid includes:

[0017] Obtaining the vehicle identification number VIN of the target vehicle;

[0018] Based on the vehicle identification code VIN, a target vacuum pumping time and a target brake fluid filling amount corresponding to the brake system pipeline of the target vehicle are determined.

[0019] In some embodiments, the brake fluid filling method further includes:

[0020] After determining that the brake fluid filling device sequentially performs vacuum extraction operations on the brake pipes located at different positions, vacuum degree detection is performed on the brake pipes located at different positions respectively by using a vacuum degree detection device;

[0021] Wherein, the vacuum degree detection time of the brake pipeline which is the last in the vacuum extraction sequence is greater than the vacuum degree detection time of the remaining brake pipelines.

[0022] In some embodiments, the brake lines located at different positions include a front left brake line, a rear right brake line, a front right brake line and a rear left brake line.

[0023] In a second aspect, an embodiment of the present application provides a brake fluid filling device, comprising:

[0024] An acquisition module, used to acquire a target vacuuming time and a target brake fluid filling amount corresponding to a brake system pipeline of a target vehicle to be filled with brake fluid;

[0025] A vacuum pumping module, used for instructing the brake fluid filling device to sequentially perform vacuum pumping operations on brake pipes located at different positions included in the brake system pipes based on the target vacuum pumping time and the set vacuum pumping sequence;

[0026] a prompt module, configured to output first prompt information when it is determined that the vacuum degree of the brake pipe located at any target position in the different positions after vacuum extraction does not reach a set standard, wherein the first prompt information is used to prompt that the brake pipe at the target position needs to be checked;

[0027] The filling module is used to instruct the brake fluid filling device to perform brake fluid filling operation on the brake system pipeline of the target vehicle based on the target brake fluid filling amount when it is determined that the vacuum degree of the brake pipelines located in all directions after vacuum extraction reaches the set standard.

[0028] In a third aspect, an embodiment of the present application provides an electronic device, comprising a memory and a processor, wherein the memory is used to store executable data instructions; when the processor is used to execute the executable data instructions stored in the memory, the steps in the brake fluid filling method described in the first aspect are implemented.

[0029] In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium, in which a computer program is stored. When the computer program is executed by a processor, the steps in the brake fluid filling method described in the first aspect are implemented.

[0030] In a fifth aspect, an embodiment of the present application provides a computer program product, including a computer program or instructions, which, when executed by a processor, implements the steps in the brake fluid filling method described in the first aspect.

[0031] The brake fluid filling method, device, electronic device, storage medium and program product provided in the embodiments of the present application first obtain the target vacuuming time and target brake fluid filling amount corresponding to the brake system pipeline of the target vehicle to be filled with brake fluid, and then instruct the brake fluid filling device to perform vacuuming operations on the brake pipelines located in different positions included in the brake system pipeline in sequence based on the target vacuuming time and the set vacuuming sequence. Then, when it is determined that the vacuum degree of the brake pipeline located in any target position in the different positions after vacuuming does not reach the set standard, the first prompt information for prompting that the brake pipeline at the target position needs to be checked is output, so that the problem that may cause the failure of brake fluid filling is quickly located, and the relevant staff is promptly prompted to conduct targeted inspections on the brake pipeline at the target position through the first prompt information. Moreover, when it is determined that the vacuum degree of the brake pipelines located in all positions after vacuuming reaches the set standard, the brake fluid filling device is instructed to perform brake fluid filling operations on the brake system pipeline of the target vehicle based on the target brake fluid filling amount. In this way, the success rate and efficiency of brake fluid filling are effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0033] Figure 1 One of the flow diagrams of a brake fluid filling method provided in an embodiment of the present application;

[0034] Figure 2 A second flow chart of a brake fluid filling method provided in an embodiment of the present application;

[0035] Figure 3 A third flow chart of a brake fluid filling method provided in an embodiment of the present application;

[0036] Figure 4 A fourth flow chart of a brake fluid filling method provided in an embodiment of the present application;

[0037] Figure 5 A schematic diagram of a connection channel between a brake fluid filling device and a new energy vehicle provided in an embodiment of the present application;

[0038] Figure 6 A schematic diagram of the connection between a brake fluid filling device and a new energy vehicle provided in an embodiment of the present application;

[0039] Figure 7 A schematic diagram of determining the vacuum pumping time and brake fluid filling amount by VIN code provided in an embodiment of the present application;

[0040] Figure 8 A schematic diagram of different VIN codes corresponding to different vehicle models provided in an embodiment of the present application;

[0041] Fig. 9 A schematic diagram of establishing a communication link between a brake fluid filling device and a vehicle's brake-by-wire system provided in an embodiment of the present application;

[0042] Fig.10 A schematic diagram of the principle of brake fluid filling provided in an embodiment of the present application;

[0043] Fig.11 A schematic diagram of the structure of a brake fluid filling device provided in an embodiment of the present application;

[0044] Fig.12 A schematic diagram of the physical structure of an electronic device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0046] It should be noted that, in the description of the embodiments of the present application, the terms "first", "second", etc. are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally a class, and the number of objects is not limited. For example, the first object can be one or more. In addition, in the description of the embodiments of the present application, "and / or" represents at least one of the connected objects, and the character " / " generally indicates that the objects associated before and after are in an "or" relationship.

[0047] The following is an illustrative introduction to the brake fluid filling method, device, electronic device, storage medium and program product provided in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application.

[0048] Figure 1 One of the flow diagrams of a brake fluid filling method provided in an embodiment of the present application is as follows: Figure 1 As shown, the method includes:

[0049] S101, obtaining a target vacuuming time and a target brake fluid filling amount corresponding to a brake system pipeline of a target vehicle to be filled with brake fluid.

[0050] It should be noted that the target vehicle to be filled with brake fluid refers to a vehicle that adopts a hydraulic transmission brake system and needs to supplement or replace the brake fluid.

[0051] It should be noted that the brake system pipes are key components in the brake system. They are responsible for transferring the brake fluid from the master cylinder to the brakes of each wheel to achieve the braking function.

[0052] It should be noted that the vacuum pumping time and brake fluid filling amount corresponding to the brake system pipeline of different models are different. This is mainly because the brake system structure, pipeline length and brake capacity of different models are different, which leads to different vacuum pumping time and brake fluid filling amount.

[0053] It should be noted that before adding brake fluid, the vehicle's brake system pipeline needs to be vacuumed. If there is air in the brake system pipeline, it will seriously affect the braking effect. Air will form bubbles in the brake fluid, which will compress during the braking process and cause the brake pressure to drop, thereby reducing the braking effect. By vacuuming, you can ensure that the air in the brake system pipeline is completely removed, thus avoiding this problem. In addition, vacuuming can also help check the tightness of the brake system. If there is a leak in the system, it will be detected during the vacuuming process. In addition, adding brake fluid after vacuuming can ensure that the brake fluid is evenly distributed in the pipeline, thereby improving the overall performance of the brake system.

[0054] In some embodiments, the target vacuuming time and the target brake fluid filling amount corresponding to the brake system pipeline of the target vehicle may be obtained from the instruction manual of the target vehicle.

[0055] In some embodiments, the target vacuuming time and target brake fluid filling amount corresponding to the brake system pipeline of the target vehicle may be obtained from the manufacturer of the target vehicle.

[0056] S102, instructing the brake fluid filling device to perform vacuuming operations on the brake pipes located in different directions included in the brake system pipes in sequence based on the target vacuuming time and the set vacuuming sequence.

[0057] It should be noted that the brake system pipeline includes brake pipelines located in different directions, which are interconnected by branch pipelines and connectors to distribute brake fluid from the master brake cylinder to each wheel brake. These branch pipelines ensure that each wheel can receive the right amount of brake fluid to achieve balanced braking performance.

[0058] In some embodiments, the brake lines located at the different positions include a front left brake line, a rear right brake line, a front right brake line and a rear left brake line.

[0059] It should be noted that the front left brake line is used to transfer brake fluid from the master brake cylinder to the brake of the left front wheel of the vehicle. When the driver steps on the brake pedal, the brake fluid quickly flows to the brake of the left front wheel through this line, generating braking force to slow down the vehicle. The rear right brake line is similar to the front left brake line and is used to transfer brake fluid to the brake of the right rear wheel of the vehicle. It ensures that when the driver needs to brake, the right rear wheel can also respond in time and generate corresponding braking force. The function of the front right brake line is the same as the front left brake line, but it provides brake fluid for the right front wheel of the vehicle. Through this line, the brake fluid can quickly flow to the brake of the right front wheel, ensuring that the vehicle remains balanced and stable when braking. The rear left brake line is used to transfer brake fluid to the brake of the left rear wheel of the vehicle. The existence of this line ensures that when the vehicle brakes, all wheels can generate braking force at the same time, thereby achieving smooth and safe deceleration and parking.

[0060] It should be noted that the vacuuming sequence can be adaptively set based on actual applications, and the embodiments of the present application do not specifically limit this. For example, the vacuuming sequence is: first vacuuming the front left brake line, then vacuuming the rear right brake line, then vacuuming the front right brake line, and finally vacuuming the rear left brake line.

[0061] In some embodiments, after a vacuum pumping operation is completed on a brake line, a vacuum degree detection may be performed on the brake line to determine whether the vacuum degree of the brake line reaches a set standard.

[0062] In some embodiments, the brake fluid filling device may be instructed by way of instructions to sequentially perform vacuuming operations on brake pipes located at different positions included in the brake system pipes based on a target vacuuming time and a set vacuuming sequence.

[0063] S103. When it is determined that the vacuum degree of the brake pipe at any target position among the different positions after evacuation does not reach a set standard, output a first prompt message, wherein the first prompt message is used to prompt that the brake pipe at the target position needs to be checked.

[0064] It should be noted that the setting standard of brake line vacuum can be determined according to the vehicle manufacturer's recommendation and the design requirements of the brake system. These standards may vary depending on factors such as vehicle model, engine type, brake system configuration, etc.

[0065] In some embodiments, if after the vacuuming operation is completed on the front left brake line, the vacuum degree detection is performed on it and it is found that its vacuum degree does not reach the set standard, a first prompt information can be output, and the first prompt information is used to prompt that the front left brake line needs to be checked, so as to determine that the relevant staff or operator has checked the front left brake line and there is no problem, and then instruct the brake fluid filling device to vacuum the front left brake line again, so that its vacuum degree reaches the set standard, and then vacuum the next brake line, such as the rear right brake line. And so on, until the vacuum degree of all brake lines reaches the set standard.

[0066] In some embodiments, the first prompt information may be displayed on a display screen of the brake fluid filling device so that relevant staff or operators can see the prompt information in time and conduct targeted inspections on the corresponding brake pipelines.

[0067] S104. When it is determined that the vacuum degrees of the brake pipes at all positions after evacuation have reached the set standard, instruct the brake fluid filling device to perform a brake fluid filling operation on the brake system pipes of the target vehicle based on the target brake fluid filling amount.

[0068] It can be understood that when the vacuum degree of the brake pipes in all directions reaches the set standard after evacuation, the brake fluid can be added to the brake system pipes to ensure that there is no residual air in the brake system, thereby avoiding the risk of reduced braking performance or brake failure.

[0069] In an embodiment of the present application, if it is determined that the vacuum degree of the brake pipes in all directions reaches the set standard after being evacuated, the brake fluid filling device can be instructed by means of instructions to perform brake fluid filling operations on the brake system pipes of the target vehicle based on the target brake fluid filling amount.

[0070] It can be understood that the brake fluid filling method provided in the embodiment of the present application first obtains the target vacuuming time and the target brake fluid filling amount corresponding to the brake system pipeline of the target vehicle to be filled with brake fluid, and then instructs the brake fluid filling device to perform vacuuming operations on the brake pipelines located in different directions included in the brake system pipeline in sequence based on the target vacuuming time and the set vacuuming order, and then, when it is determined that the vacuum degree of the brake pipeline located in any target direction among the different directions after vacuuming does not reach the set standard, outputs the first prompt information for prompting that the brake pipeline at the target direction needs to be checked, thereby realizing rapid positioning of the problem that may cause the failure of brake fluid filling, and timely prompting the relevant staff to conduct targeted inspections on the brake pipeline at the target direction through the first prompt information, and when it is determined that the vacuum degree of the brake pipelines located in all directions after vacuuming reaches the set standard, instructs the brake fluid filling device to perform brake fluid filling operations on the brake system pipeline of the target vehicle based on the target brake fluid filling amount, thereby effectively improving the success rate and efficiency of brake fluid filling.

[0071] In some embodiments, before the instructing brake fluid filling device sequentially performs vacuuming operations on brake pipes located at different positions included in the brake system pipes based on the target vacuuming time and the set vacuuming sequence, the method further includes:

[0072] establishing a communication link between the brake fluid filling device and a brake-by-wire system of the target vehicle;

[0073] When it is determined that the communication link fails to be established, a second prompt message is output, wherein the second prompt message is used to prompt that the power-on status of the target vehicle needs to be checked, and / or that the communication line between the wire control brake system of the target vehicle and the brake fluid filling equipment needs to be checked.

[0074] It should be noted that a communication link can be established between the brake fluid filling device and the wire control brake system of the target vehicle, so that the subsequent brake fluid filling device can, based on the interactive communication with the wire control brake system, successively implement vacuuming operations on the brake pipes located in different positions included in the brake system pipes and brake fluid filling operations on the brake system pipes.

[0075] In some embodiments, the brake fluid filling device can send command information to the brake-by-wire system of the target vehicle. If the brake fluid filling device can receive feedback information from the brake-by-wire system, it can be determined that the communication link between the brake fluid filling device and the brake-by-wire system of the target vehicle is successfully established; if the brake fluid filling device does not receive feedback information from the brake-by-wire system, it can be determined that the communication link between the brake fluid filling device and the brake-by-wire system of the target vehicle has failed to be established.

[0076] It is understandable that if the communication link between the brake fluid filling device and the brake-by-wire system of the target vehicle fails to be established, it can be determined that it is due to the fact that the target vehicle is not powered on or there is a fault in the communication line between the brake-by-wire system of the target vehicle and the brake fluid filling device. Therefore, in the embodiment of the present application, when it is determined that the communication link fails to be established, a second prompt message is output, and the second prompt message is used to prompt that the power-on status of the target vehicle needs to be checked, and / or that the communication line between the brake-by-wire system of the target vehicle and the brake fluid filling device needs to be checked.

[0077] In some embodiments, a second prompt message may be displayed on the display screen of the brake fluid filling device so that relevant staff or operators can see the prompt message in time and check the power-on status of the target vehicle and / or the communication line between the target vehicle's brake-by-wire system and the brake fluid filling device.

[0078] For example, Figure 2 A second flow chart of a brake fluid filling method provided in an embodiment of the present application is shown in FIG. Figure 2 As shown, the method includes:

[0079] S201, obtaining a target vacuuming time and a target brake fluid filling amount corresponding to a brake system pipeline of a target vehicle to be filled with brake fluid.

[0080] S202: Establishing a communication link between the brake fluid filling device and the brake-by-wire system of the target vehicle.

[0081] S203. When it is determined that the communication link fails to be established, a second prompt message is output, wherein the second prompt message is used to prompt that the power-on status of the target vehicle needs to be checked, and / or that the communication line between the wire control brake system of the target vehicle and the brake fluid filling equipment needs to be checked.

[0082] S204: When it is determined that the communication link is successfully established, instruct the brake fluid filling device to sequentially perform vacuuming operations on brake pipes located in different positions included in the brake system pipes based on the target vacuuming time and a set vacuuming sequence.

[0083] S205. When it is determined that the vacuum degree of the brake pipe at any target position among the different positions after evacuation does not reach a set standard, output a first prompt message, wherein the first prompt message is used to prompt that the brake pipe at the target position needs to be checked.

[0084] S206. When it is determined that the vacuum degrees of the brake pipes at all positions after evacuation have reached the set standard, instruct the brake fluid filling device to perform a brake fluid filling operation on the brake system pipes of the target vehicle based on the target brake fluid filling amount.

[0085] It should be noted that, for the description of the same steps and the same contents in this embodiment as those in other embodiments, reference can be made to the description in other embodiments and will not be repeated here.

[0086] It can be understood that the embodiment of the present application outputs a second prompt message when it is determined that the communication link between the brake fluid filling device and the brake-by-wire system of the target vehicle has failed to be established, which helps to prompt relevant staff or operators to promptly check the power-on status of the target vehicle and / or check the communication line between the brake-by-wire system of the target vehicle and the brake fluid filling device, thereby achieving accurate positioning and timely troubleshooting of the problem.

[0087] In some embodiments, the instructing brake fluid filling device sequentially performs vacuuming operations on brake pipes located at different positions included in the brake system pipes based on the target vacuuming time and the set vacuuming sequence, including:

[0088] In the case where it is determined that the communication link is successfully established, instructing the brake-by-wire system to control the on / off states of the master cylinder solenoid valve for controlling the flow of brake fluid in the brake system pipeline and the solenoid valves for respectively controlling the flow of brake fluid in the brake pipelines located at different positions based on the set vacuum pumping sequence;

[0089] Based on the on / off states of the master cylinder solenoid valve and the solenoid valves for respectively controlling the flow of brake fluid in the brake pipes at different positions, the brake fluid filling device is instructed to perform vacuum operations on the brake pipes at different positions included in the brake system pipelines in turn.

[0090] It should be noted that the flow of brake fluid in brake lines at different locations is controlled by different solenoid valves. In the vehicle's wire control brake system, each brake line is equipped with an independent solenoid valve. By controlling the opening and closing (on and off) of each solenoid valve, the flow of brake fluid to a specific brake is controlled. In addition, the master cylinder solenoid valve in the wire control brake system is used to control the flow of brake fluid between the brake master cylinder and the brake.

[0091] In an embodiment of the present application, when it is determined that the communication link between the brake fluid filling device and the brake-by-wire system of the target vehicle is successfully established, the brake-by-wire system can be instructed to control the on-off state of the master cylinder solenoid valve used to control the flow of brake fluid in the brake system pipeline and the solenoid valves used to respectively control the flow of brake fluid in brake pipelines located in different positions based on a set vacuum pumping sequence, and then based on the on-off state of the master cylinder solenoid valve and the solenoid valves used to respectively control the flow of brake fluid in brake pipelines located in different positions, the brake fluid filling device is instructed to perform vacuum pumping operations on the brake pipelines located in different positions included in the brake system pipeline in sequence.

[0092] For example, based on the set vacuuming sequence, the brake-by-wire system first controls the master cylinder solenoid valve and the front left solenoid valve to open, and then instructs the brake fluid filling equipment to vacuum the front left brake line. After completion, the brake-by-wire system controls the front left solenoid valve to close and the rear right solenoid valve to open, and then instructs the brake fluid filling equipment to vacuum the rear right brake line. After completion, the brake-by-wire system further controls the rear right solenoid valve to close and the front right solenoid valve to open, and then instructs the brake fluid filling equipment to vacuum the front right brake line. After completion, the brake-by-wire system finally controls the front right solenoid valve to close and the rear left solenoid valve to open, and then instructs the brake fluid filling equipment to vacuum the rear left brake line, thereby completing the vacuuming of the entire brake system pipeline.

[0093] For example, Figure 3 The third flow chart of a brake fluid filling method provided in an embodiment of the present application is as follows: Figure 3 As shown, the method includes:

[0094] S301, obtaining a target vacuuming time and a target brake fluid filling amount corresponding to a brake system pipeline of a target vehicle to be filled with brake fluid.

[0095] S302: Establish a communication link between the brake fluid filling device and the brake-by-wire system of the target vehicle.

[0096] S303. When it is determined that the communication link is successfully established, instruct the brake-by-wire system to control the on / off states of the master cylinder solenoid valve for controlling the flow of brake fluid in the brake system pipeline and the solenoid valves for respectively controlling the flow of brake fluid in the brake pipelines at different positions based on a set vacuum pumping sequence.

[0097] S304, based on the on / off states of the master cylinder solenoid valve and the solenoid valves for respectively controlling the flow of brake fluid in the brake pipes at different positions, instruct the brake fluid filling device to perform vacuum operations on the brake pipes at different positions included in the brake system pipes in turn.

[0098] S305. When it is determined that the vacuum degree of the brake pipe at any target position among the different positions after evacuation does not reach a set standard, output a first prompt message, wherein the first prompt message is used to prompt that the brake pipe at the target position needs to be checked.

[0099] S306. When it is determined that the vacuum degrees of the brake pipes at all positions after evacuation have reached the set standard, instruct the brake fluid filling device to perform a brake fluid filling operation on the brake system pipes of the target vehicle based on the target brake fluid filling amount.

[0100] It should be noted that, for the description of the same steps and the same contents in this embodiment as those in other embodiments, reference can be made to the description in other embodiments and will not be repeated here.

[0101] It can be understood that the embodiment of the present application controls the on-off state of each solenoid valve based on a set vacuuming sequence by indicating the wire control brake system, so as to enable the brake fluid filling equipment to perform vacuuming operations on brake lines located in different positions in sequence, thereby facilitating accurate problem location of each brake line based on the vacuum degree of each brake line after vacuuming.

[0102] In some embodiments, obtaining a target vacuuming time and a target brake fluid filling amount corresponding to a brake system pipeline of a target vehicle to be filled with brake fluid includes:

[0103] Obtaining the vehicle identification number VIN of the target vehicle;

[0104] Based on the vehicle identification code VIN, a target vacuum pumping time and a target brake fluid filling amount corresponding to the brake system pipeline of the target vehicle are determined.

[0105] It should be noted that the Vehicle Identification Number (VIN) is a unique set of codes determined according to national vehicle management standards, used to identify the identity and characteristics of the vehicle. VIN usually consists of 17 characters, including English letters and Arabic numerals. It is divided into three parts: World Manufacturer Identification Code: The first 3 digits are used to identify the manufacturer of the vehicle; Vehicle Description Part: The 4th to 9th digits are used to describe the general characteristics of the vehicle, such as vehicle type, body type, engine displacement, transmission type, brake system pipeline vacuum time and brake fluid filling amount, etc. This part of the code and the order of arrangement are determined by the vehicle manufacturer; Vehicle Indicator Part: The 10th to 17th digits are a set of codes designated by the vehicle manufacturer to distinguish different vehicles.

[0106] In the embodiment of the present application, the vehicle identification code VIN of the target vehicle can be obtained, and then the VIN can be scanned and identified to obtain the target vacuum time and target brake fluid filling amount corresponding to the brake system pipeline of the target vehicle.

[0107] For example, Figure 4 A fourth flow chart of a brake fluid filling method provided in an embodiment of the present application is shown in FIG. Figure 4 As shown, the method includes:

[0108] S401, obtaining the vehicle identification number VIN of the target vehicle.

[0109] S402: Determine a target vacuum pumping time and a target brake fluid filling amount corresponding to a brake system pipeline of the target vehicle based on the vehicle identification code VIN.

[0110] S403, instructing the brake fluid filling device to perform vacuuming operations on the brake pipes located in different directions included in the brake system pipes in sequence based on the target vacuuming time and the set vacuuming sequence.

[0111] S404. When it is determined that the vacuum degree of the brake pipe at any target position among the different positions after evacuation does not reach a set standard, output a first prompt message, wherein the first prompt message is used to prompt that the brake pipe at the target position needs to be checked.

[0112] S405. When it is determined that the vacuum degrees of the brake pipes at all positions after evacuation have reached the set standard, instruct the brake fluid filling device to perform a brake fluid filling operation on the brake system pipes of the target vehicle based on the target brake fluid filling amount.

[0113] It should be noted that, for the description of the same steps and the same contents in this embodiment as those in other embodiments, reference can be made to the description in other embodiments and will not be repeated here.

[0114] It can be understood that the embodiment of the present application can quickly and effectively obtain the target vacuuming time and target brake fluid filling amount corresponding to the brake system pipeline of the target vehicle based on the vehicle identification code VIN of the target vehicle.

[0115] In some embodiments, the brake fluid filling method further includes:

[0116] After determining that the brake fluid filling device sequentially performs vacuum extraction operations on the brake pipes located at different positions, vacuum degree detection is performed on the brake pipes located at different positions respectively by using a vacuum degree detection device;

[0117] Wherein, the vacuum degree detection time of the brake pipeline which is the last in the vacuum extraction sequence is greater than the vacuum degree detection time of the remaining brake pipelines.

[0118] In the embodiment of the present application, after the brake fluid filling device completes the vacuuming operation on each brake line, the vacuum detection device can be used to detect the vacuum of the brake line to determine whether the vacuum of the brake line after vacuuming reaches the set standard. Moreover, in the embodiment of the present application, the vacuum detection time of the brake line that is the last in the vacuuming sequence is set to be longer than the vacuum detection time of the remaining brake lines, so as to ensure that the air in the brake line is fully discharged and the vacuum reaches a stable state, thereby more accurately evaluating its detection degree, thereby improving the accuracy and reliability of the vacuum detection of the wire control brake system.

[0119] For example, Figure 5 A schematic diagram of a connection channel between a brake fluid filling device and a new energy vehicle provided in an embodiment of the present application, such as Figure 5 As shown, there are three main connection channels between the brake fluid filling device and the new energy vehicle. Among them, the first connection channel communicates through the CAN (Controller Area Network) line; the second connection channel extracts the air in the brake system pipeline and oil pot of the new energy vehicle through the vacuum pipe; the third connection channel fills the brake fluid into the brake system pipeline and oil pot of the new energy vehicle through the brake fluid filling pipe. The brake fluid is stored in the brake fluid filling device.

[0120] It should be noted that when a new energy vehicle arrives at the brake fluid filling station, the relevant staff needs to connect the CAN communication line of the brake fluid filling equipment to the on-board diagnostics (OBD) interface of the new energy vehicle. At this time, the controller of the brake fluid filling equipment is connected to the controller of the wire control brake system of the new energy vehicle, and communication can be carried out to prepare for the communication of the subsequent brake fluid filling process. Then put the vacuum pipe and brake fluid filling pipe of the brake fluid filling equipment on the mouth of the brake fluid oil pot. The brake fluid filling equipment automatically connects the brake fluid filling pipe and the vacuum pipe to the mouth of the brake fluid oil pot and seals it. Figure 6 shown.

[0121] In some embodiments, after the vacuum pipe and the brake fluid filling pipe are connected to the brake fluid filling device and the new energy vehicle, the VIN code of the new energy vehicle can be scanned by a wireless scanner, and the VIN code information is transmitted to the brake fluid filling device through wireless communication. Figure 7 The brake fluid filling equipment identifies the brake fluid filling vehicle model (new energy vehicle to be filled with brake fluid) based on the information of the VIN code and determines the vacuuming time and brake fluid filling amount, such as Figure 8 shown.

[0122] In some embodiments, after determining the vacuuming time and the amount of brake fluid added to the brake fluid filling vehicle model, the brake fluid filling device establishes communication with the new energy vehicle. The brake fluid filling device sends a command to the wire control brake system of the new energy vehicle. If no response is received after the first transmission, a second command is sent after a certain interval. If no response is received, a third command is sent after a certain interval. If there is still no response to the third command, the display screen of the brake fluid filling device displays: "Please keep the vehicle powered on, or check the vehicle OBD communication line", such as Fig. 9 When the vehicle is powered on normally and the OBD communication line is normal, the brake fluid filling device sends a command, and the wire control brake system of the new energy vehicle responds normally. At this time, communication has been established.

[0123] In some embodiments, the brake fluid filling device establishes communication with the wire control brake system of the new energy vehicle, and after the communication is normal and the communication is maintained, the brake fluid filling device begins to execute the vacuuming process through instructions. The vacuuming process is divided into the following stages: In the first stage, the master cylinder solenoid valve and the front left solenoid valve are opened, and the other solenoid valves are closed, and vacuuming begins. The vacuuming is carried out according to the vacuuming time set for each vehicle model. After the vacuuming is completed, a vacuum degree test is performed. If the test fails, a second vacuuming is performed. After the vacuuming is completed, the vacuum degree is continued to be tested. If it still fails, a third vacuuming is performed. If the third vacuuming is also unqualified, the display screen of the brake fluid filling device will display: "Please check the front left brake line", and the relevant staff can check according to the prompts and restart the vacuuming operation after the check. If the vacuuming in the first stage is qualified, the second stage will be entered, the rear right solenoid valve will be opened, the front left solenoid valve will be closed, and vacuuming will begin. After the vacuuming is completed, a vacuum degree test is performed. The overall logic is similar to the first stage. If the vacuum degree is unqualified after the third vacuuming, the display screen of the brake fluid filling device will display: "Please check the rear right brake line". If the vacuum pumping in the second stage is qualified, the third stage will be entered, the front right solenoid valve will be opened, the rear right solenoid valve will be closed, and vacuum pumping will be started. After the vacuum pumping is completed, a vacuum degree test will be performed. The overall logic is similar to the first stage. If the vacuum degree is unqualified after the third vacuum pumping, the display screen of the brake fluid filling device will display: "Please check the front right brake line". If the vacuum pumping in the third stage is qualified, the fourth stage will be entered, the rear left solenoid valve will be opened, the front right solenoid valve will be closed, and vacuum pumping will be started. After the vacuum pumping is completed, a vacuum degree test will be performed. The overall logic is similar to the first stage. If the vacuum degree is unqualified after the third vacuum pumping, the display screen of the brake fluid filling device will display: "Please check the rear left brake line".

[0124] In some embodiments, the vacuum degree detection time of the fourth stage is longer than the vacuum degree detection time of the first three stages. This can ensure that the vacuum of the entire brake system pipeline meets the requirements. After the vacuum degree detection is qualified, the brake fluid filling stage is entered. The brake fluid filling device determines the brake fluid filling amount according to the vehicle configuration and fills the brake fluid for the new energy vehicle.

[0125] For example, Fig.10 A schematic diagram of the principle of brake fluid filling provided in an embodiment of the present application is shown as follows: Fig.10 As shown, the brake fluid filling equipment can perform vacuum operation on brake lines in different directions based on the on-off status of each solenoid valve. If the vacuum degree test of the brake line in a certain direction is found to be unqualified after vacuuming, a prompt message "Please check the brake line" will be displayed on the display screen. Among them, the brake fluid oil pot is a container for storing brake fluid, which ensures that there is enough brake fluid available during the braking process. When the driver steps on the brake pedal, the brake master cylinder generates pressure and controls the flow of brake fluid through the solenoid valve. The brake fluid is drawn out of the oil pot, enters the brake line through the solenoid valve, and finally reaches the caliper. The caliper is used to convert the pressure of the brake fluid into mechanical force, thereby clamping the brake disc to achieve the braking effect.

[0126] It can be understood that the embodiment of the present application can automatically perform vacuuming operations and brake fluid filling operations, and monitor the entire process. If a problem is found, it will be visualized to the relevant staff or operators through the display screen, so that the relevant staff or operators can conduct targeted inspections on the wire control brake system according to the prompts on the display screen. After the inspection is completed, the brake fluid filling process can be started again, which effectively improves the success rate and efficiency of brake fluid filling.

[0127] The brake fluid filling device provided in an embodiment of the present application is described below. The brake fluid filling device described below and the brake fluid filling method described above can be referenced to each other.

[0128] Fig.11 A schematic diagram of the structure of a brake fluid filling device provided in an embodiment of the present application is shown in FIG. Fig.11 As shown, the device includes: an acquisition module 1110, a vacuum module 1120, a prompt module 1130 and a filling module 1140; wherein:

[0129] An acquisition module 1110 is used to acquire a target vacuuming time and a target brake fluid filling amount corresponding to a brake system pipeline of a target vehicle to be filled with brake fluid;

[0130] The vacuuming module 1120 is used to instruct the brake fluid filling device to perform vacuuming operations on the brake pipes located in different directions included in the brake system pipes in sequence based on the target vacuuming time and the set vacuuming sequence;

[0131] The prompt module 1130 is used to output a first prompt message when it is determined that the vacuum degree of the brake pipe located at any target position in the different positions after vacuum extraction does not reach a set standard, wherein the first prompt message is used to prompt that the brake pipe at the target position needs to be checked;

[0132] The filling module 1140 is used to instruct the brake fluid filling device to perform brake fluid filling operations on the brake system pipelines of the target vehicle based on the target brake fluid filling amount when it is determined that the vacuum degrees of the brake pipelines located in all directions after vacuum extraction have reached the set standard.

[0133] The brake fluid filling device provided in the embodiment of the present application first obtains the target vacuuming time and the target brake fluid filling amount corresponding to the brake system pipeline of the target vehicle to be filled with brake fluid, and then instructs the brake fluid filling device to perform vacuuming operations on the brake pipelines located in different directions included in the brake system pipeline in sequence based on the target vacuuming time and the set vacuuming order. Then, when it is determined that the vacuum degree of the brake pipeline located in any target direction among the different directions after vacuuming does not reach the set standard, the first prompt information for prompting the brake pipeline at the target direction needs to be checked is output. In this way, the problem that may cause the failure of brake fluid filling is quickly located, and the relevant staff is promptly prompted to conduct targeted inspections on the brake pipeline at the target direction through the first prompt information. Moreover, when it is determined that the vacuum degree of the brake pipelines located in all directions after vacuuming reaches the set standard, the brake fluid filling device is instructed to perform brake fluid filling operations on the brake system pipeline of the target vehicle based on the target brake fluid filling amount. In this way, the success rate and efficiency of brake fluid filling are effectively improved.

[0134] In some embodiments, the apparatus further comprises:

[0135] a link establishing module, configured to establish a communication link between the brake fluid filling device and a brake-by-wire system of the target vehicle;

[0136] The prompt module 1130 is also used to: when it is determined that the communication link fails to be established, output a second prompt message, wherein the second prompt message is used to prompt that the power-on status of the target vehicle needs to be checked, and / or that the communication line between the wire control brake system of the target vehicle and the brake fluid filling equipment needs to be checked.

[0137] In some embodiments, the vacuum module 1120 includes:

[0138] A first indication unit is used for, when it is determined that the communication link is successfully established, indicating the brake-by-wire system to control the on / off states of the master cylinder solenoid valve for controlling the flow of brake fluid in the brake system pipeline and the solenoid valves for respectively controlling the flow of brake fluid in the brake pipelines located at different positions based on the set vacuum pumping sequence;

[0139] The second indication unit is used to instruct the brake fluid filling equipment to perform vacuum operations on the brake pipes located in different positions included in the brake system pipelines in turn based on the on-off status of the master cylinder solenoid valve and the solenoid valves used to respectively control the flow of brake fluid in the brake pipes located in different positions.

[0140] In some embodiments, the acquisition module 1110 includes:

[0141] An acquisition unit, used to acquire a vehicle identification code VIN of the target vehicle;

[0142] The determination unit is used to determine a target vacuuming time and a target brake fluid filling amount corresponding to the brake system pipeline of the target vehicle based on the vehicle identification code VIN.

[0143] In some embodiments, the apparatus further comprises:

[0144] a detection module, configured to respectively detect the vacuum degree of the brake pipes located at the different positions through a vacuum degree detection device after determining that the brake fluid filling device performs vacuum extraction operations on the brake pipes located at the different positions in sequence;

[0145] Wherein, the vacuum degree detection time of the brake pipeline which is the last in the vacuum extraction sequence is greater than the vacuum degree detection time of the remaining brake pipelines.

[0146] In some embodiments, the brake lines located at the different positions include a front left brake line, a rear right brake line, a front right brake line and a rear left brake line.

[0147] It should be noted here that the above-mentioned brake fluid filling device provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned brake fluid filling method embodiment, and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as those in the method embodiment will not be described in detail here.

[0148] Fig.12 A schematic diagram of the physical structure of an electronic device provided in an embodiment of the present application, such as Fig.12As shown, the electronic device may include: a processor 1210, a communication interface 1220, a memory 1230 and a communication bus 1240, wherein the processor 1210, the communication interface 1220 and the memory 1230 communicate with each other through the communication bus 1240. The processor 1210 may execute executable data instructions stored in the memory 1230 to implement some or all steps in the brake fluid filling method provided in the above embodiments.

[0149] In addition, the executable data instructions stored in the above-mentioned memory 1230 can be implemented in the form of a software functional unit and can be stored in a computer-readable storage medium when it is sold or used as an independent product. Based on this understanding, the technical solution of the embodiment of the present application can be essentially or partly reflected in the form of a software product that contributes to the relevant technology. The software product is stored in a storage medium, including several instructions to enable a computer device (which can be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), disk or optical disk, etc. Various media that can store program codes.

[0150] An embodiment of the present application further provides a computer-readable storage medium, in which a computer program is stored. When the computer program is executed by a processor, part or all of the steps in the brake fluid filling method provided in the above embodiments are implemented.

[0151] An embodiment of the present application also provides a computer program product, which includes a computer program or instructions. When the computer program or instructions are executed by a processor, some or all of the steps in the brake fluid filling method provided in the above embodiments are implemented.

[0152] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Those of ordinary skill in the art may understand and implement it without creative work.

[0153] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, systems, or computer program products. Therefore, the embodiments of the present application may adopt the form of hardware embodiments, software embodiments, or embodiments in combination with software and hardware. Moreover, the embodiments of the present application may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) that contain computer-usable program code.

[0154] The present application is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and computer program products according to the embodiments of the present application. It should be understood that each process and / or box in the flowchart and / or block diagram, as well as the combination of the processes and / or boxes in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0155] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0156] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0157] The above description is merely an optional embodiment of the present application and is not intended to limit the protection scope of the present application.

Claims

1. A method for filling brake fluid, characterized in that: include: Obtaining a target vacuuming time and a target brake fluid filling amount corresponding to a brake system pipeline of a target vehicle to be filled with brake fluid; Instructing the brake fluid filling device to perform vacuuming operations on brake pipes located at different positions included in the brake system pipes in sequence based on the target vacuuming time and the set vacuuming sequence; When it is determined that the vacuum degree of the brake pipe located at any target position in the different positions does not reach the set standard after vacuuming, outputting first prompt information, wherein the first prompt information is used to prompt that the brake pipe at the target position needs to be checked; When it is determined that the vacuum degrees of the brake pipes located in all directions after evacuation have reached the set standard, the brake fluid filling device is instructed to perform a brake fluid filling operation on the brake system pipes of the target vehicle based on the target brake fluid filling amount.

2. The brake fluid filling method according to claim 1, characterized in that: Before the instructing brake fluid filling device to perform vacuuming operations on brake pipes located at different positions included in the brake system pipes in sequence based on the target vacuuming time and the set vacuuming sequence, the method further includes: establishing a communication link between the brake fluid filling device and a brake-by-wire system of the target vehicle; When it is determined that the communication link fails to be established, a second prompt message is output, wherein the second prompt message is used to prompt that the power-on status of the target vehicle needs to be checked, and / or that the communication line between the wire control brake system of the target vehicle and the brake fluid filling equipment needs to be checked.

3. The brake fluid filling method according to claim 2, characterized in that: The indicating brake fluid filling device sequentially performs vacuuming operations on brake pipes located at different positions included in the brake system pipes based on the target vacuuming time and the set vacuuming sequence, including: In the case where it is determined that the communication link is successfully established, instructing the brake-by-wire system to control the on / off states of the master cylinder solenoid valve for controlling the flow of brake fluid in the brake system pipeline and the solenoid valves for respectively controlling the flow of brake fluid in the brake pipelines located at different positions based on the set vacuum pumping sequence; Based on the on / off states of the master cylinder solenoid valve and the solenoid valves for respectively controlling the flow of brake fluid in the brake pipes at different positions, the brake fluid filling device is instructed to perform vacuum operations on the brake pipes at different positions included in the brake system pipelines in turn.

4. The brake fluid filling method according to any one of claims 1 to 3, characterized in that: The step of obtaining a target vacuuming time and a target brake fluid filling amount corresponding to a brake system pipeline of a target vehicle to be filled with brake fluid comprises: Obtaining the vehicle identification number VIN of the target vehicle; Based on the vehicle identification code VIN, a target vacuum pumping time and a target brake fluid filling amount corresponding to the brake system pipeline of the target vehicle are determined.

5. The brake fluid filling method according to any one of claims 1 to 3, characterized in that: The method further comprises: After determining that the brake fluid filling device sequentially performs vacuum extraction operations on the brake pipes located at different positions, vacuum degree detection is performed on the brake pipes located at different positions respectively by using a vacuum degree detection device; Wherein, the vacuum degree detection time of the brake pipeline which is the last in the vacuum extraction sequence is greater than the vacuum degree detection time of the remaining brake pipelines.

6. The brake fluid filling method according to any one of claims 1 to 3, characterized in that: The brake lines located at different positions include a front left brake line, a rear right brake line, a front right brake line and a rear left brake line.

7. A brake fluid filling device, characterized in that: include: An acquisition module, used to acquire a target vacuuming time and a target brake fluid filling amount corresponding to a brake system pipeline of a target vehicle to be filled with brake fluid; A vacuum pumping module, used for instructing the brake fluid filling device to perform vacuum pumping operations on the brake pipes located in different directions included in the brake system pipes in sequence based on the target vacuum pumping time and the set vacuum pumping sequence; a prompt module, configured to output first prompt information when it is determined that the vacuum degree of the brake pipe located at any target position in the different positions after vacuum extraction does not reach a set standard, wherein the first prompt information is used to prompt that the brake pipe at the target position needs to be checked; The filling module is used to instruct the brake fluid filling device to perform brake fluid filling operation on the brake system pipeline of the target vehicle based on the target brake fluid filling amount when it is determined that the vacuum degree of the brake pipelines located in all directions after vacuum extraction reaches the set standard.

8. An electronic device, characterized in that: include: A memory for storing executable data instructions; A processor is used to implement the steps in the brake fluid filling method according to any one of claims 1 to 6 when executing the executable data instructions stored in the memory.

9. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps in the brake fluid filling method according to any one of claims 1 to 6 are implemented.

10. A computer program product comprising a computer program or instructions, characterized in that When the computer program or instruction is executed by a processor, the steps in the brake fluid filling method according to any one of claims 1 to 6 are implemented.

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