A multi-channel brake force monitoring device for a motorcycle

By using a multi-channel braking force monitoring device to monitor and control the pressure difference in the motorcycle's brake lines in real time, the problem of the ABS system being unable to maintain maximum braking force is solved, thus preventing wheel lock-up and maximizing braking force, thereby improving the braking stability and performance of the motorcycle.

CN115352424BActive Publication Date: 2026-05-19TIANJIN INTERNAL COMBUSTION ENGINE RES INST
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
TIANJIN INTERNAL COMBUSTION ENGINE RES INST
Filing Date
2022-08-24
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Existing motorcycle ABS systems cannot maintain maximum braking force throughout the braking process, and intermittent braking significantly reduces the vehicle's braking performance.

Method used

A multi-channel braking force monitoring device is adopted, including a brake controller, hydraulic sensor, pressure relief valve and microcontroller. By monitoring and calculating the pressure difference in the brake line in real time, the pressure relief valve is automatically controlled to keep the wheels from locking up and maintain maximum braking force.

Benefits of technology

It achieves the ability to maintain maximum braking force continuously without causing the wheels to lock up, thus improving the stability and performance of the motorcycle braking process.

✦ Generated by Eureka AI based on patent content.

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    Figure CN115352424B_ABST
Patent Text Reader

Abstract

The application provides a multi-channel brake force monitoring device for a motorcycle, comprising a brake controller, a main oil cylinder, an upper hydraulic sensor, an ABS system, a first lower pressure relief valve, a first lower hydraulic sensor, a second lower pressure relief valve, a second lower hydraulic sensor, a brake and a controller, wherein the brake controller is connected with the main oil cylinder of the motorcycle, the main oil cylinder is connected with the upper hydraulic sensor, the upper hydraulic sensor is further connected with the ABS system, the ABS system is connected with the first lower pressure relief valve and the second lower pressure relief valve, the first lower hydraulic sensor is connected with the first lower pressure relief valve, the second lower hydraulic sensor is connected with the second lower pressure relief valve, the first lower hydraulic sensor is connected with the first brake, and the second lower hydraulic sensor is connected with the second brake.
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Description

Technical Field

[0001] This invention relates to the field of motorcycle control technology, and in particular to a multi-channel braking force monitoring device for motorcycles. Background Technology

[0002] The ABS (Anti-lock Braking System) uses sensors installed on the wheels to signal that the wheel is about to lock up. The controller then instructs the regulator to reduce the oil pressure in the brake cylinder of that wheel, thereby reducing the braking torque. After a certain period of time, the original oil pressure is restored, and this cycle continues (up to 5 to 10 times per second) to keep the wheel in a rotating state while maintaining maximum braking torque.

[0003] Motorcycles without ABS will experience a rapid decrease in wheel speed if the brake lever is gripped tightly or the brake pedal is pressed while riding. When the braking force exceeds the friction between the wheel and the ground, the wheel will lock up. A fully locked wheel will reduce the friction between the tire and the ground. If the front wheel locks up, the driver will lose control of the vehicle's direction. If the rear wheel locks up, skidding is very likely to occur.

[0004] The purpose of the ABS system is to prevent wheel lock-up and keep the wheels rolling, preventing slippage. The ABS system continuously monitors the wheel's rolling status. When it determines that the wheel speed has decreased to a certain level, it releases the brake pressure, then re-applies the brake, repeating this intermittent braking until the vehicle comes to a stop. While the ABS system ensures the motorcycle's stability during braking, it cannot maintain maximum braking force continuously. This intermittent braking process significantly reduces the vehicle's braking performance, indicating a performance deficiency. Summary of the Invention

[0005] The purpose of this invention is to at least address one of the aforementioned technical deficiencies.

[0006] Therefore, the purpose of this invention is to provide a multi-channel braking force monitoring device for motorcycles to solve the problems mentioned in the background art and overcome the shortcomings of the prior art.

[0007] To achieve the above objectives, embodiments of the present invention provide a multi-channel braking force monitoring device for motorcycles, comprising:

[0008] The system comprises a brake controller, a master cylinder, an upper hydraulic sensor, an ABS system, a first lower pressure relief valve, a first lower hydraulic sensor, a second lower pressure relief valve, a second lower hydraulic sensor, a first brake, a second brake, and a controller. The brake controller is connected to the master cylinder of the motorcycle. The master cylinder is connected to the upper hydraulic sensor. The upper hydraulic sensor is further connected to the ABS system. The ABS system is connected to the first and second lower pressure relief valves. The first lower hydraulic sensor is connected to the first lower pressure relief valve. The second lower hydraulic sensor is connected to the second lower pressure relief valve. The first lower hydraulic sensor is connected to the first brake, and the second lower hydraulic sensor is connected to the second brake.

[0009] The input terminal of the controller is connected to the upper hydraulic sensor, the first lower hydraulic sensor, and the second lower hydraulic sensor, and the output terminal of the controller is connected to the first lower pressure relief valve and the second lower pressure relief valve; wherein, the controller is a single-chip microcomputer.

[0010] Preferably, in any of the above solutions, the first pressure relief valve and the first hydraulic sensor are integrally formed; the second pressure relief valve and the second hydraulic sensor are integrally formed.

[0011] Preferably, any of the above embodiments further includes: a third lower hydraulic sensor, a third lower pressure relief valve, and a third brake, wherein the third lower pressure relief valve is connected between the third lower hydraulic sensor and the ABS system, and the third lower hydraulic sensor is further connected to the third brake.

[0012] Preferably, the third lower hydraulic sensor and the third lower pressure relief valve are integrally formed, according to any of the above solutions.

[0013] Preferably, the controller is a single-chip microcomputer, as described in any of the above schemes.

[0014] Preferably, any of the above solutions further includes a switch connected to the controller.

[0015] Preferably, the brake controller is a brake handle or a pedal, as described in any of the above schemes.

[0016] Preferably, the first brake, the second brake, and the third brake are disc brakes or hydraulic drum brakes.

[0017] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0019] Figure 1 This is a structural diagram of a multi-channel braking force monitoring device (two-channel) for motorcycles according to an embodiment of the present invention;

[0020] Figure 2 This is a structural diagram of a multi-channel braking force monitoring device (three-channel) for motorcycles according to an embodiment of the present invention. Detailed Implementation

[0021] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0022] like Figure 1 As shown, the multi-channel braking force monitoring device for motorcycles according to an embodiment of the present invention includes: a brake controller 1, a master cylinder 2, an upper hydraulic sensor 3, an ABS system 4, a first lower pressure relief valve 5, a first lower hydraulic sensor 7, a second lower pressure relief valve 6, a second lower hydraulic sensor 8, a first brake 91, a second brake 92, and a controller.

[0023] Specifically, the brake controller 1 is connected to the motorcycle's master cylinder 2, the master cylinder 2 is connected to the upper hydraulic sensor 3, the upper hydraulic sensor 3 is further connected to the ABS system 4, the ABS system 4 is connected to the first lower pressure relief valve 5 and the second lower pressure relief valve 6, the first lower hydraulic sensor 7 is connected to the first lower pressure relief valve 5, the second lower hydraulic sensor 8 is connected to the second lower pressure relief valve 6, the first lower hydraulic sensor 7 is connected to the first brake 91, and the second lower hydraulic sensor 8 is connected to the second brake 92. The first brake 91 and the second brake 92 are respectively connected to the motorcycle wheels.

[0024] In embodiments of the present invention, the brake controller 1 is a brake handle or pedal. The brake 8 is a disc brake or a hydraulic brake drum.

[0025] In an embodiment of the present invention, the first pressure relief valve 5 is integrally formed with the first hydraulic sensor; the second pressure relief valve 6 is integrally formed with the second hydraulic sensor.

[0026] The controller's input is connected to the upper hydraulic sensor 3, the first lower hydraulic sensor 7, and the second lower hydraulic sensor 8, and the controller's output is connected to the first lower pressure relief valve 5 and the second lower pressure relief valve 6.

[0027] In an embodiment of the present invention, the controller is a microcontroller.

[0028] Upper hydraulic sensor 3, first lower hydraulic sensor 7, and second lower hydraulic sensor 8 are used to monitor the real-time pressure in the brake line. The controller collects the pressure values ​​from the upper hydraulic sensor 3, first lower hydraulic sensor 7, and second lower hydraulic sensor 8, calculates the first pressure difference between the pressure values ​​collected by the upper hydraulic sensor 3 and the first lower hydraulic sensor 7, and calculates the second pressure difference between the pressure values ​​collected by the upper hydraulic sensor 3 and the second lower hydraulic sensor 8. It records the first pressure value corresponding to the pressure point where the first pressure difference changes, sets this first pressure value as the peak pressure of the first lower pressure relief valve 5, and sends it to the relief valve. The first lower pressure relief valve 5 records this peak pressure. When the pressure value reaches the peak pressure, it activates the first lower pressure relief valve 5 to release pressure. Similarly, it records the second pressure value corresponding to the pressure point where the second pressure difference changes, sets this second pressure value as the peak pressure of the second lower pressure relief valve 6, and sends it to the relief valve. The second lower pressure relief valve 6 records this peak pressure. When the pressure value reaches the peak pressure, it activates the second lower pressure relief valve 6 to release pressure, thus maintaining the maximum braking force of the braking system.

[0029] like Figure 2 As shown, the multi-channel braking force monitoring device for motorcycles according to an embodiment of the present invention further includes: a third lower hydraulic pressure sensor 11, a third lower pressure relief valve 10, and a third brake 93. The third lower pressure relief valve 10 is connected between the third lower hydraulic pressure sensor 11 and the ABS system 4, and the third lower hydraulic pressure sensor 11 is further connected to the third brake 93. The controller collects the pressure values ​​of the upper hydraulic pressure sensor 3, the first lower hydraulic pressure sensor 7, and the second lower hydraulic pressure sensor 8, calculates the third pressure difference between the pressure value collected by the upper hydraulic pressure sensor 3 and the pressure value collected by the third lower hydraulic pressure sensor 11, records the third pressure value corresponding to the pressure point where the third pressure difference changes, and sets the third pressure value as the peak pressure of the third lower pressure relief valve 10 and sends it to the pressure relief valve. The third lower pressure relief valve 10 records the peak pressure. When the detected pressure value reaches the peak pressure, the third lower pressure relief valve 10 is activated to release pressure.

[0030] In an embodiment of the present invention, the third lower hydraulic sensor 11 and the third lower pressure relief valve 10 are integrally formed.

[0031] It should be noted that the pressure relief valve and the hydraulic sensor can also be separate.

[0032] Furthermore, the multi-channel braking force monitoring device for motorcycles according to embodiments of the present invention further includes: a switch connected to a controller, which monitors a first pressure difference and a second pressure difference when braking; turning on the switch to start the device, setting the pressure value corresponding to the pressure point where the pressure difference changes to the peak pressure of the first pressure relief valve and the peak pressure of the second pressure relief valve; when braking again, the first pressure relief valve and / or the second pressure relief valve respectively perform pressure relief control according to the corresponding peak pressure.

[0033] In this invention, a controller is used to control multiple brakes, with each wheel of a two-wheeled or three-wheeled motorcycle corresponding to a brake. Specifically, the controller collects pressure values ​​from the upper hydraulic sensor 3, the first lower hydraulic sensor 7, the second lower hydraulic sensor 8, and the third lower hydraulic sensor 11. It calculates the pressure difference between the pressure value collected by the upper hydraulic sensor 3 and the pressure differences of each lower hydraulic sensor, records the pressure values ​​corresponding to the pressure points where the pressure differences change, and sets each pressure value as the peak pressure of the corresponding lower pressure relief valve and sends it to the pressure relief valve. The pressure relief valve records this peak pressure, and when the detected pressure value reaches the peak pressure, it activates the pressure relief valve to release pressure. In summary, this application can utilize the combination of a controller, hydraulic sensors, and pressure relief valves to achieve multi-wheel control, involving automated braking control with multiple controls, multi-pipeline monitoring, and pressure distribution.

[0034] This invention relates to a multi-channel braking force monitoring device for motorcycles, which employs intelligent control by incorporating hydraulic sensors and a pressure relief valve. The purpose of this invention is to obtain the peak pressure in the brake lines before ABS activation via the hydraulic sensor, and then maintain this peak pressure using the pressure relief valve for braking. This prevents wheel lock-up while maintaining maximum braking force. The entire process is automated using the hydraulic sensor and pressure relief valve.

[0035] The microcontroller of this invention collects the pressure values ​​from the upper and lower hydraulic sensors, calculates the pressure difference, and records the points where the pressure difference changes. Because the upper and lower hydraulic sensors obtain consistent pressure values ​​to prevent seizure, a difference arises when the ABS system is activated. The microcontroller locates the point of pressure difference and feeds it back to the pressure relief valve, assigning that pressure value to the valve. The pressure relief valve is then controlled according to this pressure value. As soon as this value is reached, the pressure relief valve begins to release pressure, thus ensuring that the pressure will never be exceeded.

[0036] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0037] It will be readily understood by those skilled in the art that this invention includes any combination of the inventive description and specific embodiments outlined in the foregoing specification, as well as the various parts shown in the accompanying drawings. Due to space limitations and for the sake of brevity, not all of these combinations have been described in detail. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this invention should be included within the scope of protection of this invention.

[0038] Although embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention without departing from the principles and spirit of the invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-channel braking force monitoring device for motorcycles, characterized in that, include: The system comprises a brake controller, a master cylinder, an upper hydraulic sensor, an ABS system, a first lower pressure relief valve, a first lower hydraulic sensor, a second lower pressure relief valve, a second lower hydraulic sensor, a first brake, and a second brake. The brake controller is connected to the master cylinder of the motorcycle. The master cylinder is connected to the upper hydraulic sensor. The upper hydraulic sensor is further connected to the ABS system. The ABS system is connected to the first and second lower pressure relief valves. The first lower hydraulic sensor is connected to the first lower pressure relief valve. The second lower hydraulic sensor is connected to the second lower pressure relief valve. The first lower hydraulic sensor is connected to the first brake, and the second lower hydraulic sensor is connected to the second brake. The input terminal of the brake controller is connected to the upper hydraulic sensor, the first lower hydraulic sensor, and the second lower hydraulic sensor, and the output terminal of the brake controller is connected to the first lower pressure relief valve and the second lower pressure relief valve. The upper hydraulic sensor, the first lower hydraulic sensor, and the second lower hydraulic sensor are used to monitor the real-time pressure in the brake line. The brake controller collects the pressure values ​​of the upper hydraulic sensor, the first lower hydraulic sensor, and the second lower hydraulic sensor, calculates the first pressure difference between the pressure value collected by the upper hydraulic sensor and the pressure value collected by the first lower hydraulic sensor, calculates the second pressure difference between the pressure value collected by the upper hydraulic sensor and the pressure value collected by the second lower hydraulic sensor, records the first pressure value corresponding to the pressure point where the first pressure difference changes, and sets the first pressure value as the peak pressure of the first lower pressure relief valve and sends it to the pressure relief valve. The first lower pressure relief valve records the peak pressure. When the pressure value is detected to reach the peak pressure, the first lower pressure relief valve is activated to release pressure. Record the second pressure value corresponding to the pressure point where the second pressure difference changes, and set the second pressure value as the peak pressure of the second pressure relief valve and send it to the pressure relief valve. The second pressure relief valve records the peak pressure. When the pressure value is detected to reach the peak pressure, the second pressure relief valve is activated to relieve pressure in order to maintain the maximum braking force of the braking system. The pressure values ​​obtained by the upper hydraulic sensor are consistent with those of the first and second lower hydraulic sensors. When the ABS system is activated, a difference appears between the pressure values ​​of the upper hydraulic sensor and the first and second lower hydraulic sensors. The brake controller finds the point of pressure difference and feeds it back to the first and second pressure relief valves, assigning the pressure value at that point to the first and second pressure relief valves. The first and second pressure relief valves are then controlled according to this pressure value. The upper and lower hydraulic sensors obtain the peak pressure of the brake line before the ABS is activated. The first and second pressure relief valves are used to maintain this peak pressure for braking, thus preventing wheel lock-up while maintaining maximum braking force.

2. The multi-channel braking force monitoring device for motorcycles as described in claim 1, characterized in that, The first pressure relief valve is integrally formed with the first hydraulic pressure sensor; the second pressure relief valve is integrally formed with the second hydraulic pressure sensor.

3. The multi-channel braking force monitoring device for motorcycles as described in claim 1, characterized in that, Also includes: The system comprises a third hydraulic pressure sensor, a third pressure relief valve, and a third brake. The third pressure relief valve is connected between the third hydraulic pressure sensor and the ABS system. The third hydraulic pressure sensor is further connected to the third brake.

4. The multi-channel braking force monitoring device for motorcycles as described in claim 3, characterized in that, The third lower hydraulic sensor is integrally formed with the third lower pressure relief valve.

5. The multi-channel braking force monitoring device for motorcycles as described in claim 1, characterized in that, The aforementioned controller uses a single-chip microcomputer.

6. The multi-channel braking force monitoring device for motorcycles as described in claim 1, characterized in that, Also includes: A switch, connected to the brake controller, monitors the first pressure difference and the second pressure difference during braking; Turn on the switch, start the device, and set the pressure value corresponding to the pressure point where the pressure difference changes to the peak pressure of the first pressure relief valve and the peak pressure of the second pressure relief valve. When braking is applied again, the first pressure relief valve and / or the second pressure relief valve will respectively control the pressure relief according to the corresponding peak pressure.

7. The multi-channel braking force monitoring device for motorcycles as described in claim 1, characterized in that, The brake controller is a brake handle or a pedal.

8. The multi-channel braking force monitoring device for motorcycles as described in claim 3, characterized in that, The first brake, the second brake, and the third brake are disc brakes or hydraulic drum brakes.