Vacuumizing and filling detection device and equipment

By designing a testing device that includes tooling, high-pressure hoses, pressure detection modules, and an integrated box, rapid vacuuming and filling tests of automotive braking systems are achieved. This solves the problem of poor vacuuming and filling effects in automotive production lines, and improves testing efficiency and production line pass rate.

CN121577348APending Publication Date: 2026-02-27SHANGHAI VCS TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202511679362.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-17
Publication Date
2026-02-27

AI Technical Summary

Technical Problem

In the brake fluid vacuuming and filling process of automobile production lines, poor vacuuming or filling results often occur, affecting braking performance and resulting in a low defect rate on the production line.

Method used

Design a vacuuming and filling detection device, including tooling, high-pressure hose, pressure detection module and integrated box. It is connected to the brake caliper exhaust port of the wheel through a fluid channel. It uses an integrated pressure sensor to detect positive and negative pressure signals. Combined with multi-way valve switching, it can realize rapid detection of hydraulic circuit.

Benefits of technology

It can quickly locate problematic wheels, improve the efficiency of troubleshooting vacuuming and filling issues, and increase the pass rate of the production line.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The invention discloses a vacuumizing and filling detection device which comprises a tool piece, a high-pressure hose, a pressure detection module and an integration box. A through fluid channel is formed in the tool piece, one end of the fluid channel is used for being connected with a brake caliper exhaust port of a target wheel, and the fluid channel communicates with a hydraulic loop of the target wheel. One end of the high-pressure hose is connected with the other end of the tool piece, and the other end is connected with one end of the pressure detection module; the other end of the pressure detection module is connected with the integration box and is used for detecting a positive pressure signal and a negative pressure signal of the hydraulic loop; the integration box is used for supplying power to the pressure detection module and sending a positive pressure signal and a negative pressure signal to the target processing device, so that the target processing device obtains positive pressure data representing the filling pressure in the hydraulic loop based on the positive pressure signal and obtains negative pressure data representing the vacuum degree in the hydraulic loop based on the negative pressure signal. Meanwhile, the invention further discloses vacuumizing and filling detection equipment.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of vehicle braking, in particular to a detection device and equipment for vacuum extraction and filling in a vehicle braking system. BACKGROUND

[0002] During the vacuum extraction and filling processes of brake fluid in the automobile production line, it is often found that the vacuum extraction or filling effect is not good, which will affect the braking performance of the automobile, thereby leading to unqualified production line. Therefore, during the vacuum extraction and filling process of the whole vehicle, how to quickly judge the problem points of vacuum extraction and filling is an urgent problem to be solved to improve the qualified rate of the production line. SUMMARY

[0003] Therefore, the embodiments of the present application expect to provide a detection device and equipment for vacuum extraction and filling, so as to at least solve the above technical problems.

[0004] To achieve the above purpose, the technical scheme of the present application is as follows:

[0005] According to an aspect of the embodiments of the present application, a detection device for vacuum extraction and filling is provided, which comprises a tooling piece, a high-pressure hose, a pressure detection module and an integrated box.

[0006] The tooling piece is internally provided with a fluid passage penetrating therethrough, one end of which is used to connect the brake caliper exhaust port of a target wheel, so that the fluid passage is in communication with the hydraulic circuit of the target wheel.

[0007] One end of the high-pressure hose is connected with the other end of the tooling piece, and the other end is connected with one end of the pressure detection module.

[0008] The other end of the pressure detection module is connected with the integrated box, which is used to detect the positive pressure signal and the negative pressure signal of the hydraulic circuit.

[0009] The integrated box is used to supply power to the pressure detection module and send the positive pressure signal and the negative pressure signal to a target processing device, so that the target processing device obtains positive pressure data representing the filling pressure in the hydraulic circuit based on the positive pressure signal, and obtains negative pressure data representing the vacuum degree in the hydraulic circuit based on the negative pressure signal.

[0010] In the above scheme, the pressure detection module is an integrated pressure sensor capable of detecting the positive pressure signal and the negative pressure signal at the same time.

[0011] In the above scheme, the pressure detection module comprises:

[0012] a first pressure sensor for detecting the positive pressure signal of the hydraulic circuit;

[0013] a second pressure sensor configured to detect a negative pressure signal of the hydraulic circuit;

[0014] The device further comprises:

[0015] a multi-way valve having a first interface, a second interface, a third interface and a fourth interface, wherein the first interface is configured to connect the first pressure sensor, the second interface is configured to connect the second pressure sensor, the third interface is configured to connect the high-pressure hose, and the fourth interface is configured to connect the integrated box;

[0016] The multi-way valve is configured to switch between at least two working positions based on a switching instruction from a controller, wherein when the multi-way valve is in a first working position, the first interface is in communication with the third interface, and a positive pressure signal of the hydraulic circuit is detected by the first pressure sensor; and when the multi-way valve is in a second working position, the second interface is in communication with the third interface, and a negative pressure signal of the hydraulic circuit is detected by the second pressure sensor.

[0017] In the above scheme, the high-pressure hose is made of transparent or translucent material, and a range scale for indicating the volume of fluid is provided on the outer wall of the high-pressure hose.

[0018] In the above scheme, the end of the tooling piece connected to the exhaust port of the brake caliper is a quick plug connector, a threaded connector or a compression type sealing connector.

[0019] In the above scheme, the end of the high-pressure hose connected to the tooling piece is a quick plug connector, a threaded connector or a compression type sealing connector.

[0020] In the above scheme, the tooling pieces, the high-pressure hoses and the pressure detection modules are provided in plural, and each of the tooling pieces, the high-pressure hoses and the pressure detection modules corresponds to one of the target wheels.

[0021] The integrated box comprises:

[0022] a plurality of fifth interfaces, each of the fifth interfaces is configured to connect the pressure detection module corresponding to one of the target wheels.

[0023] According to another aspect of the present application, there is provided a detection device for vacuumizing and filling, the device comprising:

[0024] A detection device and a processor, wherein the detection device is the detection device for vacuumizing and filling according to any one of claims 1 to 7; the processor is in communication connection with the integrated box in the detection device, used for receiving the positive pressure signal and the negative pressure signal collected by the pressure detection module in the detection device and transmitted from the integrated box, and outputting positive pressure data representing the filling pressure in the hydraulic circuit based on the positive pressure signal and negative pressure data representing the vacuum degree in the hydraulic circuit based on the negative pressure signal.

[0025] In the above solution, the processor is further configured to send switching instructions to the multi-way valve in the detection device through the integrated box based on the positive pressure data and the negative pressure data, so that the multi-way valve switches between at least two working positions based on the switching instructions, wherein when the multi-way valve is in a first working position, the positive pressure signal of the hydraulic circuit is detected by the first pressure sensor in the pressure detection module; when the multi-way valve is in a second working position, the negative pressure signal of the hydraulic circuit is detected by the second pressure sensor in the pressure detection module.

[0026] In the above solution, the processor is further configured to record the filling state, the vacuumizing state and the air amount of each wheel based on the positive pressure data and the negative pressure data, and output an alarm signal when the filling state, the vacuumizing state and / or the air amount is abnormal.

[0027] The detection device and the equipment for vacuumizing and filling provided in the present application are a detection solution for vacuumizing and filling of a whole vehicle through a specific device. Specifically, the device comprises a tooling piece, a high-pressure hose, a pressure detection module and an integrated box. The tooling piece is internally provided with a fluid passage penetrating therethrough, one end of which is used to connect the brake caliper exhaust port of a target wheel, so that the fluid passage is in communication with the hydraulic circuit of the target wheel. One end of the high-pressure hose is connected with the other end of the tooling piece, and the other end is connected with one end of the pressure detection module. The other end of the pressure detection module is connected with the integrated box, which is used to detect the positive pressure signal and the negative pressure signal of the hydraulic circuit. The integrated box is used to supply power to the pressure detection module and transmit the positive pressure signal and the negative pressure signal to a target processing device, so that the target processing device obtains positive pressure data representing the filling pressure in the hydraulic circuit based on the positive pressure signal and negative pressure data representing the vacuum degree in the hydraulic circuit based on the negative pressure signal. In this way, during the process of vacuumizing and filling of a whole vehicle, the vacuumizing and filling of each wheel corresponding to the hydraulic circuit are detected, so that the problem wheel can be quickly located, the troubleshooting efficiency of the vacuumizing and filling problem is greatly improved, and the qualification rate of the production line is improved. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1Structure of a vacuumizing and filling detection device in the present application Figure One ;

[0029] Figure 2 Structure of a vacuumizing and filling detection device in the present application Figure Two ;

[0030] Figure 3 Structure of a vacuumizing and filling detection device in the present application Figure Three ;

[0031] Figure 4 Structure of a vacuumizing and filling detection device in the present application Figure Four ;

[0032] Figure 5 Structure of a vacuumizing and filling detection device in the present application Figure One ;

[0033] Figure 6 Structure of a vacuumizing and filling detection device in the present application Figure Two . DETAILED DESCRIPTION

[0034] The technical solutions of the present application will be further described in detail below in combination with the drawings and specific embodiments.

[0035] In the specific embodiments, various specific technical features in each of the various embodiments described in the specific embodiments can be combined in various ways without contradiction, for example, different specific technical features can form different embodiments through combination. In order to avoid unnecessary repetition, various possible combinations of each specific technical feature in the present application will not be described again.

[0036] It should be noted that the terms "first", "second", "third" involved in the embodiments of the present application are only to distinguish similar objects, and do not represent a specific order of the objects. It can be understood that "first", "second", "third" can be interchanged in a specific order or sequence as appropriate. It should be understood that the objects distinguished by "first", "second", "third" can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0037] Figure 1 Structure of a vacuumizing and filling detection device in the present application Figure One , as shown in Figure 1 , the device comprises a tool 10, a high-pressure hose 20, a pressure detection module 30 and an integrated box 40.

[0038] The tool piece 10 is internally provided with a fluid channel, one end of which is used to connect the brake caliper exhaust port of the target wheel A, so that the fluid channel is in communication with the hydraulic circuit of the target wheel A; one end of the high-pressure hose 20 is connected with the other end of the tool piece 10, and the other end is connected with one end of the pressure detection module 30; the other end of the pressure detection module 30 is connected with the integrated box 40, which is used to detect the positive pressure signal and the negative pressure signal of the hydraulic circuit; the integrated box 40 is used to power the pressure detection module 30, and send the positive pressure signal and the negative pressure signal to the target processing device (not shown in the figure), so that the target processing device obtains the positive pressure data representing the charging pressure in the hydraulic circuit based on the positive pressure signal, and obtains the negative pressure data representing the vacuum degree in the hydraulic circuit based on the negative pressure signal.

[0039] Here, the target processing device includes but is not limited to a computer, a digital display device, a vehicle itself, etc., and an application program can be installed in the target processing device, which is used to detect the state of vacuumizing and charging during the vacuumizing and charging of the vehicle.

[0040] Here, the end of the tool piece 10 connected with the brake caliper exhaust port can be a quick connector, a threaded connector or a compression type sealing connector, which can tightly seal the end face of the tool piece 10 with the port of the brake caliper exhaust port.

[0041] Here, the end of the tool piece 10 connected with the brake caliper exhaust port can be provided with a limiting groove (not shown in the figure), and during the process of connecting the tool piece 10 to the brake caliper exhaust port, if the connecting point reaches the limiting groove, it is determined that the tool piece 10 is connected to the brake caliper exhaust port in place.

[0042] Here, the end of the high-pressure hose 20 connected with the tool piece 10 can be a quick connector, a threaded connector or a compression type sealing connector, and the end of the pressure detection module 30 can also be a quick connector, a threaded connector or a compression type sealing connector, which can tightly seal the end face of the high-pressure hose 20 connected with the tool piece 10 and the pressure detection module 30.

[0043] Here, the end of the tool piece 10 connected with the high-pressure hose 20 can also be provided with a limiting groove (not shown in the figure), and during the process of installing the tool piece 10 to the high-pressure hose 20, if the connecting point reaches the limiting groove, it is determined that the tool piece 10 is connected to the high-pressure hose 20 in place.

[0044] Here, the tool piece 10 can have multiple different specifications, which can be determined according to the specifications of the brake caliper exhaust port, so as to ensure the matching degree and sealing performance between the tool piece 10 and the brake caliper exhaust port.

[0045] In the present application, the type of the pressure detection module 30 is not protected, for example, the pressure detection module 30 can be an integrated pressure sensor capable of simultaneously detecting the positive pressure signal and the negative pressure signal. It can also be composed of two independent pressure sensors, one pressure sensor for detecting the positive pressure signal and the other pressure sensor for detecting the negative pressure signal.

[0046] When the pressure detection module 30 is an integrated pressure sensor, it can be directly connected with the high-pressure hose and the integrated box, thereby greatly reducing the overall cost of the device.

[0047] When the pressure detection module 30 is composed of two independent pressure sensors, when one of the pressure sensors fails, it is convenient to replace and repair.

[0048] In the present application, the tooling piece 10 can also be connected with any one detection point in the brake pipeline of the whole vehicle, so as to realize the vacuumizing and filling detection of different positions during the vacuumizing and filling process of the whole vehicle. For example, a three-way tooling piece 10 is customized at the detection points such as the connection between the hard pipe and the soft pipe, the connection between the hard pipe and the hard pipe, and the connection between the hard pipe and the electronic hydraulic unit, and the connection mode and detection mode are the same as those of the target wheel.

[0049] Through the vacuumizing and filling detection device provided in the present application, the corresponding hydraulic circuit of each wheel can be vacuumized and filled during the vacuumizing and filling process of the whole vehicle, so as to quickly locate the problem wheel, greatly improve the troubleshooting efficiency of the vacuumizing and filling problem, and improve the line qualification rate.

[0050] In the present application, the high-pressure hose 20 can be made of transparent or translucent material, and a range scale for indicating the volume of fluid can be provided on the outer wall of the high-pressure hose 20. In this way, through the high-pressure hose 20, it can be directly observed whether there is air in the hydraulic circuit during the vacuumizing and filling process, and the amount of air can be recorded.

[0051] Here, the material of the high-pressure hose 20 can be a thermoplastic polyurethane (PU) tube, the applicable environmental temperature range can be -20℃ to 60℃, the tear resistance can be >100kgf / m2, the tensile strength can be >400kgf / cm, the applicable pressure can be 0-10Mpa, the burst pressure can be 30Mpa, the air pipe hardness can be 95A (Shore hardness), and the specification of the high-pressure hose can be: outer diameter (mm) multiplied by inner diameter (mm): 6x4mm, 8x5mm, 10x6.5mm. The range scale: the internal volume is converted into volume cc / ml and marked on the outer wall of the PU tube, and is clear and visible, and is not easy to fall off and dirty during use.

[0052] In another embodiment of the present application, in addition to the high-pressure hose 20 being made of a translucent or transparent material, a transparent window and a scale window can also be provided in any one of the tooling 10, the pressure detection module 30 and the integrated box 40, so as to observe the air state during the vacuumizing and filling processes at different positions, and improve the detection accuracy of the vacuumizing and filling states.

[0053] Figure 2 Structure of a vacuumizing and filling detection device in the present application Figure Two As shown in Figure 2 When the pressure detection module 30 is composed of the first pressure sensor 301 and the second pressure sensor 302, the device can further include a multi-way valve 50.

[0054] The multi-way valve 50 can have a plurality of interfaces, such as a first interface 501, a second interface 502, a third interface 503 and a fourth interface 504. The first interface 501 is used to connect the first pressure sensor 301, the second interface 502 is used to connect the second pressure sensor 302, the third interface 503 is used to connect the high-pressure hose 20, and the fourth interface 504 is used to connect the integrated box 40.

[0055] Here, the multi-way valve 50 can receive a switching instruction from the target processing device through the integrated box 40, and can switch between at least two working positions based on the switching instruction. When the multi-way valve 50 is in a first working position, the first interface 501 is in communication with the third interface 503, forming a positive pressure circuit, and the positive pressure signal of the hydraulic circuit is detected by the first pressure sensor 301. When the multi-way valve 50 is in a second working position, the second interface 502 is in communication with the third interface 503, forming a negative pressure circuit, and the negative pressure signal of the hydraulic circuit is detected by the second pressure sensor 302. When the multi-way valve 50 is in a third working position, the first interface 501, the second interface 502 and the third interface 503 are closed.

[0056] Here, the type of the multi-way valve 50 is not limited, for example, the multi-way valve 50 can be a manual valve or an electromagnetic valve.

[0057] In the present application, the integrated box 40 can have a plurality of fifth interfaces, and the tooling piece 10, the high-pressure hose 20 and the pressure detection module 30 can each have a plurality of fifth interfaces, each of which can be connected to the pressure detection module 30 corresponding to the target wheel A, and send the positive pressure signal and the negative pressure signal from the plurality of target wheels A to the target processing device, so that the target processing device obtains the filling pressure and the vacuum degree of each target wheel A based on the positive pressure signal and the negative pressure signal of each target wheel A.

[0058] The detection device for vacuumizing and filling provided in the present application can not only realize simultaneous filling and vacuumizing detection of each wheel of the vehicle, but also can control the vacuumizing state and the filling state of each wheel separately, and has quantitative visual data and data quantization index, greatly improving the performance and problem troubleshooting efficiency of vacuumizing and filling.

[0059] Figure 3 Structure of the detection device for vacuumizing and filling in the present application Figure Three As shown in Figure 3 , it includes four tooling pieces 10, four high-pressure hoses 20 and four pressure detection modules 30, wherein the left front wheel A1 is connected to a set of tooling pieces 10, high-pressure hoses 20 and pressure detection modules 30, the right front wheel A2 is connected to a set of tooling pieces 10, high-pressure hoses 20 and pressure detection modules 30, the left rear wheel A3 is connected to a set of tooling pieces 10, high-pressure hoses 20 and pressure detection modules 30, and the right rear wheel A4 is connected to a set of tooling pieces 10, high-pressure hoses 20 and pressure detection modules 30. The pressure detection module 30 corresponding to the left front wheel A1, the pressure detection module 30 corresponding to the right front wheel A2, the pressure detection module 30 corresponding to the left rear wheel A3 and the pressure detection module 30 corresponding to the right rear wheel A4 are respectively connected to one fifth interface on the integrated box 40 through a wire harness, and the sixth interface (not shown in the figure) of the integrated box 40 is connected to the target processing device B, for sending the positive pressure signal and the negative pressure signal from each wheel to the target processing device B. In this way, the vacuumizing and filling detection of all wheels of the vehicle can be performed at the same time, the problem points in the vacuumizing and filling process can be quickly located, and the detection efficiency is greatly improved.

[0060] Figure 4 Structure of the detection device for vacuumizing and filling in the present application Figure Four As shown in Figure 4As shown, when the pressure detection module 30 is composed of the first pressure sensor 301 and the second pressure sensor 302, the first pressure sensor 301, the second pressure sensor 302 and the multi-way valve 50 are all provided with multiple, and each first pressure sensor 301, the second pressure sensor 302 and the multi-way valve 50 correspond to one target wheel.

[0061] As shown, the left front wheel A1 is connected with a set of tooling pieces 10, high-pressure hoses 20, first pressure sensors 301, the second pressure sensors 302 and the multi-way valves 50, the right front wheel A2 is connected with a set of tooling pieces 10, high-pressure hoses 20, first pressure sensors 301, the second pressure sensors 302 and the multi-way valves 50, the left rear wheel A3 is connected with a set of tooling pieces 10, high-pressure hoses 20, first pressure sensors 301, the second pressure sensors 302 and the multi-way valves 50, and the right rear wheel A4 is connected with a set of tooling pieces 10, high-pressure hoses 20, first pressure sensors 301, the second pressure sensors 302 and the multi-way valves 50, then, the first pressure sensor 301, the second pressure sensor 302 and the multi-way valve 50 corresponding to the left front wheel A1 are connected with one fifth interface of the integrated box 40 respectively; the first pressure sensor 301, the second pressure sensor 302 and the multi-way valve 50 corresponding to the right front wheel A2 are connected with one fifth interface of the integrated box 40 respectively; the first pressure sensor 301, the second pressure sensor 302 and the multi-way valve 50 corresponding to the left rear wheel A3 are connected with one fifth interface of the integrated box 40 respectively; the first pressure sensor 301, the second pressure sensor 302 and the multi-way valve 50 corresponding to the right rear wheel A4 are connected with one fifth interface of the integrated box 40 respectively, and a sixth interface (not shown in the figure) of the integrated box 40 is connected with the target processing device B, for sending the positive pressure signal and the negative pressure signal from each wheel to the target processing device B. In this way, during the process of vacuumizing and filling the whole vehicle, the multi-way valve can be switched between the negative pressure circuit and the positive pressure circuit, so as to detect the target wheel through the negative pressure circuit and detect the target wheel through the positive pressure circuit. Moreover, the vacuumizing and filling detection of all wheels of the whole vehicle can be carried out at the same time, the problem points in the vacuumizing and filling process can be quickly located, and the detection efficiency is greatly improved.

[0062] Figure 5 Structure of the vacuumizing and filling detection device in the present application Figure One The detection device includes but is not limited to a computer, a digital display device and a vehicle itself, as shown in the figure, the detection device includes: Figure 5 The detection device includes:

[0063] The detection device 5001 and the processor 5002, wherein the detection device is the vacuumizing and filling detection device described in the description, which will not be described here again, and details can be referred to in the description Figures 1 to 4 The detection device is the vacuumizing and filling detection device described in the description, which will not be described here again, and details can be referred to in the descriptionFigures 1 to 4 The relevant description in the document.

[0064] The processor 5002 is communicatively connected to the integrated box in the detection device 5001. It is used to receive positive pressure signals and negative pressure signals sent from the integrated box and collected by the pressure detection module in the detection device. Based on the positive pressure signal, it outputs positive pressure data representing the injection pressure in the hydraulic circuit, and based on the negative pressure signal, it outputs negative pressure data representing the vacuum degree in the hydraulic circuit.

[0065] Here, the processor 5002 can determine the positive pressure data corresponding to each positive pressure signal and the negative pressure data corresponding to each negative pressure signal based on the correspondence between voltage signals and voltage values.

[0066] Here, positive pressure data refers to positive pressure values, and negative pressure data refers to negative pressure values.

[0067] In an embodiment of this application, the processor 5002 is further configured to send a switching command to the multi-way valve in the detection device 5001 via the integrated box based on the positive pressure data and the negative pressure data, so that the multi-way valve switches between at least two operating positions based on the switching command. Specifically, when the multi-way valve is in the first operating position, a first pressure sensor in the detection device 5001 detects the positive pressure signal of the hydraulic circuit; when the multi-way valve is in the second operating position, a second pressure sensor in the detection device 5001 detects the negative pressure signal of the hydraulic circuit.

[0068] In embodiments of this application, the processor 5002 is further configured to record the filling status, vacuuming status, and air volume of each wheel based on the positive pressure data and the negative pressure data; and to output an alarm signal in the event of abnormalities in the filling status, the vacuuming status, and / or the air volume.

[0069] Here, the alarm method is not limited, and may include, but is not limited to, sound alarm, light alarm, and color alarm.

[0070] Here, the processor 5002, based on the detected positive and negative pressure signals, can send a switching command to the multi-way valve in the detection device 5001 via a target application, causing the multi-way valve to switch to the target operating position. This target application characterizes an application that performs vacuuming and filling detection on each wheel during the vehicle's vacuuming and filling process.

[0071] For example, when the detection device needs to detect the vacuum degree of the target wheel, the multi-way valve can be adjusted to the second working position based on the target application program, and the negative pressure signal of the hydraulic circuit of the target wheel is detected through the second pressure sensor; when the detection device needs to detect the filling of the target wheel, the multi-way valve can be adjusted to the first working position based on the target application program, and the positive pressure signal of the hydraulic circuit of the target wheel is detected through the first pressure sensor.

[0072] When the detection device needs to be closed, the multi-way valve can be adjusted to the third working position based on the target application program, and the connection interface of the first pressure sensor and the second pressure sensor is closed.

[0073] It should be noted that the detection device for vacuuming and filling provided in the above embodiment belongs to the same concept as the above Figures 1 to 4 The detection device for vacuuming and filling provided in the above embodiment belongs to the same concept as the above

[0074] The following is a detection method for vacuuming and filling in this application, which comprises:

[0075] Step 1) Connect one end of the tooling to the brake caliper exhaust port of the target wheel and ensure that it is sealed and leak-free;

[0076] Step 2) Connect the other end of the tooling to one end of the high-pressure hose and ensure that it is sealed and leak-free;

[0077] Step 3) Connect the other end of the high-pressure hose to one end of the pressure detection module and ensure that it is sealed and leak-free;

[0078] Step 4) Connect the other end of the pressure detection module to the integrated box, and provide electrical energy for the pressure detection module through the integrated box;

[0079] Step 5) Obtain the positive pressure signal and negative pressure signal detected by the pressure detection module through the integrated box, and send the positive pressure signal and the negative pressure signal to the target processing device, so that the target processing device obtains positive pressure data representing the filling pressure in the hydraulic circuit of the target vehicle based on the positive pressure signal, and obtains negative pressure data representing the vacuum degree in the hydraulic circuit based on the negative pressure signal;

[0080] Step 6) During the detection process, observe the amount of air during the vacuuming and filling process through the high-pressure hose, and record the amount of air, negative pressure data and positive pressure data through the target processing device;

[0081] Step 7) Determine that the target wheel has a vacuuming and filling problem based on the amount of air, negative pressure data and positive pressure data, and output an alarm signal.

[0082] Figure 6Structure of the detection device for vacuumizing and filling in the present application Figure Two As shown in Figure 6 The detection device 6000 includes at least one processor 6001 and a memory 6002 for storing a computer program capable of running on the processor 6001, and the processor 6001 is used to run the computer program to execute the vacuumizing and filling detection method prompted by the above embodiments of the present application. The detection device 6000 further includes at least one network interface 6004 and a user interface 6003. The various components in the detection device 6000 are coupled together through a bus system 6005. It can be understood that the bus system 6005 is used to realize the connection communication between the components. The bus system 6005 includes not only a data bus, but also a power supply bus, a control bus and a status signal bus. However, in order to clearly illustrate, all kinds of buses are marked as the bus system 6005 in the Figure 6

[0083] The processor 6001 is further used to send a switching signal to the detection device 6006 based on the computer program, so that the detection device 6006 switches between the positive pressure signal path and the negative pressure signal path based on the switching signal.

[0084] The user interface 6003 can include a display, a joystick, a trackball, a click wheel, a key, a button, a touchpad or a touch screen, etc.

[0085] ​It can be appreciated that the memory 6002 can be a volatile memory or a nonvolatile memory, and can also include both volatile and nonvolatile memory. Among them, the nonvolatile memory can be a Read Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a ferromagnetic random access memory (FRAM), a Flash Memory, a magnetic surface memory, an optical disc or a Compact Disc Read-Only Memory (CD-ROM); the magnetic surface memory can be a disk memory or a tape memory. The volatile memory can be a Random Access Memory (RAM) used as an external cache. By way of example but not limitation, many forms of RAM can be used, such as Static Random Access Memory (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDR SDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), SyncLink Dynamic Random Access Memory (SLDRAM), Direct Rambus Random Access Memory (DRRAM).The memory 6002 described in the embodiments of the present application is intended to include, but not limited to, these and any other suitable type of memory.

[0086] The memory 6002 in the embodiments of the present application is used to store various types of data to support the operation of the detection device 6000. Examples of these data include any computer programs for operating on the detection device 6000, such as an operating system 60021 and an application program 60022. Among them, the operating system 60021 contains various system programs, such as framework layer, core library layer, driver layer, etc., for implementing various basic services and processing hardware-based tasks. The application program 60022 can contain various application programs, such as media player, browser, vacuumizing and filling program, etc., for implementing various application services. The program for implementing the method of the embodiments of the present application can be contained in the application program 60022, or can exist separately in a certain controller.

[0087] The processor 6001 can be an integrated circuit chip with processing capability. In the implementation process, each step of the above method can be completed by the integrated logic circuit or the instruction in the form of software in the processor 6001. The processor 6001 described above can be a general processor, a digital signal processor (DSP), or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc. The processor 6001 can implement or execute the disclosed methods, steps and logic block diagrams in the embodiments of the present application. The general processor can be a microprocessor or any conventional processor, etc. In combination with the steps of the method disclosed in the embodiments of the present application, the above-mentioned method can be directly embodied as a hardware coding processor to execute, or be executed by a combination of hardware and software modules in the coding processor. The software module can be located in the storage medium, which is located in the memory 6002, and the processor 6001 reads the information in the memory 6002 to complete the above-mentioned method steps in combination with the hardware.

[0088] In the example embodiment, the detection device 6000 can be implemented by one or more Application Specific Integrated Circuits (ASICs), DSPs, Programmable Logic Devices (PLDs), Complex Programmable Logic Devices (CPLDs), Field-Programmable Gate Arrays (FPGAs), general-purpose processors, controllers, microcontrollers (MCUs), microprocessors, or other electronic elements for executing the foregoing method.

[0089] In the example embodiment, the application also provides a computer-readable storage medium, such as a memory 6002 including a computer program, which can be executed by the processor 6001 of the detection device 6000 to complete the steps of the foregoing method. The computer-readable storage medium can be a memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface memory, optical disc, or CD-ROM; or various devices including one or any combination of the above memories, such as AR devices, CR devices, VR devices, MR devices, and the like.

[0090] A computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, performs the vacuumizing and filling detection method disclosed in the foregoing embodiments of the application.

[0091] In the several embodiments provided in the present application, it should be understood that the disclosed devices and methods can be implemented in other ways. The device embodiments described above are only illustrative. In addition, the features disclosed in the several method or device embodiments provided by the present application can be combined arbitrarily without conflict, to obtain new method embodiments or device embodiments.

[0092] The above describes only the specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A detection device for vacuuming and filling, characterized in that, The device includes: Tooling, high-pressure hoses, pressure detection modules, and integration boxes; The tooling component has a through-flow fluid channel inside, one end of which is used to connect to the brake caliper exhaust port of the target wheel, so that the fluid channel is connected to the hydraulic circuit of the target wheel. One end of the high-pressure hose is connected to the other end of the tooling, and the other end is connected to one end of the pressure detection module. The other end of the pressure detection module is connected to the integrated box and is used to detect the positive pressure signal and negative pressure signal of the hydraulic circuit; The integrated box is used to power the pressure detection module and send the positive pressure signal and the negative pressure signal to the target processing device, so that the target processing device obtains positive pressure data characterizing the injection pressure in the hydraulic circuit based on the positive pressure signal and negative pressure data characterizing the vacuum degree in the hydraulic circuit based on the negative pressure signal.

2. The apparatus according to claim 1, characterized in that, The pressure detection module is an integrated pressure sensor capable of simultaneously detecting the positive pressure signal and the negative pressure signal.

3. The apparatus according to claim 1, characterized in that, The pressure detection module includes: The first pressure sensor is used to detect the positive pressure signal of the hydraulic circuit; The second pressure sensor is used to detect the negative pressure signal of the hydraulic circuit; The device further includes: A multi-way valve has a first interface, a second interface, a third interface, and a fourth interface; wherein the first interface is used to connect to the first pressure sensor, the second interface is used to connect to the second pressure sensor, the third interface is used to connect to the high-pressure hose, and the fourth interface is used to connect to the integrated box. When the multi-way valve receives a switching command from the controller through the integrated box, it switches between at least two operating positions based on the switching command. When the multi-way valve is in the first operating position, the first interface is connected to the third interface, and the positive pressure signal of the hydraulic circuit is detected by the first pressure sensor. When the multi-way valve is in the second operating position, the second interface is connected to the third interface, and the negative pressure signal of the hydraulic circuit is detected by the second pressure sensor.

4. The apparatus according to claim 1, characterized in that, The high-pressure hose is made of transparent or semi-transparent material, and its outer wall is provided with a range scale for indicating the fluid volume.

5. The apparatus according to claim 1, characterized in that, The end of the tooling that connects to the exhaust port of the brake caliper is a quick-connect fitting, a threaded fitting, or a compression-type sealing fitting.

6. The apparatus according to claim 1, characterized in that, The end of the high-pressure hose that connects to the tooling is a quick-connect fitting, a threaded fitting, or a compression-sealed fitting.

7. The apparatus according to claim 1, characterized in that, There are multiple tooling components, high-pressure hoses, and pressure detection modules, and each tooling component, each high-pressure hose, and each pressure detection module corresponds to one target wheel; The integrated box includes: Multiple fifth interfaces, each of which is used to connect to a pressure detection module corresponding to one of the target wheels.

8. A vacuuming and filling testing device, characterized in that, The device includes: A detection device and a processor, wherein the detection device is a vacuuming and filling detection device according to any one of claims 1 to 7; the processor is communicatively connected to an integrated box in the detection device, and is used to receive positive pressure signals and negative pressure signals collected by the pressure detection module in the detection device from the integrated box, and output positive pressure data characterizing the filling pressure in the hydraulic circuit based on the positive pressure signal, and output negative pressure data characterizing the vacuum degree in the hydraulic circuit based on the negative pressure signal.

9. The device according to claim 8, characterized in that, The processor is further configured to send a switching command to the multi-way valve in the detection device via the integrated box based on the positive pressure data and the negative pressure data, so that the multi-way valve switches between at least two operating positions based on the switching command. When the multi-way valve is in the first operating position, the positive pressure signal of the hydraulic circuit is detected by the first pressure sensor in the pressure detection module; when the multi-way valve is in the second operating position, the negative pressure signal of the hydraulic circuit is detected by the second pressure sensor in the pressure detection module.

10. The device according to claim 8, characterized in that, The processor is also used to record the filling status, vacuuming status, and air volume of each wheel based on the positive pressure data and the negative pressure data; and to output an alarm signal in the event of abnormalities in the filling status, vacuuming status, and / or air volume.