Linear control parking control system
By integrating an angle sensor and a vehicle ECU in the parking control system, the voltage output of the parking hand valve working angle and linear pressure adjustment of the energy storage gas chamber of the chassis rear axle spring are solved, and the problem of rough parking response in the prior art is achieved, achieving precise control and cost reduction effects.
Patent Information
- Application Number
- CN202411966765.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-03-21
AI Technical Summary
In the prior art, the parking response is rough and precise control cannot be achieved, resulting in the cab operator feeling uncomfortable when parking operation.
A linearly controlled parking control system is adopted, including an air storage cylinder, a parking hand valve, a pressure regulating solenoid valve, a vehicle ECU, a quick release valve and a spring energy storage spring air chamber. By inserting a angle sensor in the parking valve, different voltage values are output at different working angles, and the linear pressure adjustment of the energy storage spring air chamber of the chassis rear axle spring is achieved through the vehicle ECU sending instructions.
It realizes precise control of parking braking force, improves driver's handling comfort, and reduces costs, making it suitable for large-scale promotion.
Smart Images
Figure CN119659562A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of parking control systems, and more particularly to a parking control system with linear control. Background Art
[0002] With the development of intelligent driving and unmanned driving and the increasing demand for comfortable driving experience of commercial vehicles, higher and higher requirements are placed on automobile intelligent control, and parking is a key part of it.
[0003] In the prior art, see Figure 1 The parking function is realized by using the traditional parking hand valve in combination with the quick release valve or the relay valve. The gas in the air reservoir 1 is controlled by the parking hand valve 2 to charge and discharge the quick release valve 3, and then the gas enters the spring energy storage spring chamber 4 to realize the parking function. The characteristic is low cost, but the parking response is rough and precise control cannot be achieved, which makes the cab occupant feel uncomfortable during the parking operation. Summary of the invention
[0004] The purpose of the present invention is to provide a linear control parking control system to solve the technical problems in the background technology.
[0005] In order to achieve the above object, the present invention adopts the following technical solutions:
[0006] A linear control parking control system comprises: an air reservoir, a parking hand valve, a pressure regulating solenoid valve, a vehicle ECU, a quick release valve and a spring energy storage spring chamber, wherein the air reservoir is connected to an air inlet of the parking hand valve through an air circuit, an air outlet of the parking hand valve and the pressure regulating solenoid valve are connected through a pipeline, an air outlet of the pressure regulating solenoid valve is connected to the quick release valve, and the quick release valve and the spring energy storage spring chamber are connected through an air circuit; a built-in rotation angle sensor of the parking hand valve is respectively set to output different voltage values at preset working angles of the parking hand valve, and the voltage signal is sent to the vehicle ECU; the vehicle ECU sends a command to the chassis pressure solenoid regulating valve to realize linear pressure regulation of the spring energy storage spring chamber of the chassis rear axle.
[0007] In some embodiments, the working angle of the parking hand valve is 0-73°
[0008] In some embodiments, the working angle of the parking hand valve is 0°, 10°, 20°, 30°, 40°, 50°, 60°, or 73°.
[0009] In some embodiments, the working angle value of the parking hand valve is proportional to the output voltage value.
[0010] The present invention has the following beneficial effects:
[0011] Compared with the current traditional parking manual valve, the technical solution of this application solves the rough parking effect, realizes the function of precise control of parking brake force, and meets the functional requirements of drivers for operating comfort. At the same time, compared with the function of electronic manual valve, it achieves the effect of reducing costs and can be promoted in large quantities. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram in the prior art.
[0013] Figure 2 is a schematic diagram of this application.
[0014] Figure 3 This is the working diagram of the parking hand valve;
[0015] Figure 4 This is a graph showing the relationship between the working angle of the parking hand valve and the output voltage.
[0016] Illustration: 1-air reservoir, 2-parking manual valve, 3-quick release valve, 4-spring energy storage spring air chamber, 5-vehicle ECU, 6-pressure solenoid regulating valve. DETAILED DESCRIPTION
[0017] In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below in conjunction with the drawings in the preferred embodiments of the present application. In the drawings, the same or similar reference numerals throughout represent the same or similar parts or parts with the same or similar functions. The described embodiments are part of the embodiments of the present application, not all of the embodiments. The embodiments described below with reference to the drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limitations on the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.
[0018] The embodiments of the present application are described in detail below with reference to the accompanying drawings.
[0019] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, or it can be an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0020] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are orientations or positional relationships based on the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0021] In addition, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product, or display that includes a series of steps or elements is not necessarily limited to those steps or elements explicitly listed but may include other steps or elements not explicitly listed or inherent to such process, method, product, or display.
[0022] The following will be combined with Figures 2 to 4 to explain in detail a linear control parking control system involved in the embodiment of the present application. It is worth noting that the following embodiments are only used to explain the present application and do not constitute a limitation on the present application.
[0023] Embodiment 1:
[0024] like Figure 2-4 A linearly controlled parking control system comprises: an air reservoir 1, a parking hand valve 2, a pressure regulating solenoid valve, a vehicle ECU 5, a quick release valve 3 and a spring energy storage spring chamber 4, the air reservoir 1 and the air inlet of the parking hand valve 2 are connected by air circuit, the air outlet of the parking hand valve 2 and the pressure regulating solenoid valve are connected by pipeline, the air outlet of the pressure regulating solenoid valve is connected to the quick release valve 3, and the quick release valve 3 and the spring energy storage spring chamber 4 are connected by air circuit; a built-in angle sensor for the parking hand valve 2 is respectively set to output different voltage values at the preset working angles of the parking hand valve 2, and the voltage signal is sent to the vehicle ECU 5; the vehicle ECU 5 sends a command to the chassis pressure solenoid regulating valve 6 to realize linear pressure regulation of the spring energy storage spring chamber 4 of the chassis rear axle.
[0025] The parking hand valve 2 has a built-in angle sensor, and the working angle of the parking hand valve 2 is 0-73°. Different voltage values are set at 10°, 20°, 30°, 40°, 50°, 60°, and 73° respectively to achieve linear output of the output voltage. The air reservoir 11 is connected to the air inlet of the parking hand valve 2, and the air outlet of the parking hand valve 2 is connected to the pressure regulating solenoid valve through a pipeline. The air outlet of the pressure regulating solenoid valve is connected to the quick release valve 3, and the quick release valve 3 is connected to the spring energy storage spring chamber 4 through an air circuit. The voltage signal is sent to the vehicle ECU 5, and then the command is sent to the chassis pressure solenoid regulating valve 6 to achieve linear pressure regulation of the chassis rear axle spring energy storage spring chamber 4, so as to accurately control the braking force of the parking air chamber and improve the driver's operating comfort function. If necessary, when the driving brake pipeline is damaged and a driving air circuit fault occurs, the driving brake function can be replaced. At the same time, the cost is low and it can meet the needs of large-scale promotion.
[0026] The above description is only a preferred embodiment of the present invention and is used to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims
1. A linear control parking control system, characterized in that: include: An air reservoir, a parking hand valve, a pressure regulating solenoid valve, a vehicle ECU, a quick release valve and a spring energy storage spring chamber, wherein the air reservoir and the air inlet of the parking hand valve are connected by air circuit, the air outlet of the parking hand valve and the pressure regulating solenoid valve are connected by pipeline, the air outlet of the pressure regulating solenoid valve is connected to the quick release valve, and the quick release valve and the spring energy storage spring chamber are connected by air circuit; a built-in angle sensor for the parking hand valve is respectively set to output different voltage values at preset working angles of the parking hand valve, and the voltage signal is sent to the vehicle ECU; the vehicle ECU sends a command to the chassis pressure solenoid regulating valve to realize linear pressure regulation of the spring energy storage spring chamber of the chassis rear axle.
2. A linear control parking control system according to claim 1, characterized in that: The working angle of the parking hand valve is 0-73° 3. A linear control parking control system according to claim 1, characterized in that: The working angles of the parking manual valve are 0°, 10°, 20°, 30°, 40°, 50°, 60°, and 73°.
4. A linear control parking control system according to claim 1, characterized in that: The working angle value of the parking hand valve is proportional to the output voltage value.