Throttle valve
By designing a special structure of the gas intake channel and detection channel in the throttle valve, the problem of uneven mixing caused by the rising of gas is solved, and uniform mixing of gas and air is achieved, thereby improving engine efficiency.
Patent Information
- Application Number
- CN202423059580.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-12-11
AI Technical Summary
In the prior art, the density of the fuel gas is less than the density of the air, which causes the fuel gas to float up in the air intake duct, resulting in uneven mixing of the air and fuel gas, and affecting the working efficiency of the engine.
The gas intake channel is designed to be located below the air intake channel. The upper end of the gas intake channel is connected to the lower side of the air intake channel, and the gas intake volume is precisely controlled through the detection channel and pressure sensor. The detection channel is shaped as an inward-concave curve or an inward-concave multi-segment broken line to reduce pressure loss. The ECU controller is integrated into the valve body to improve integrity.
It achieves uniform mixing of gas and air, improves engine efficiency, and reduces failure rate by precisely controlling gas intake volume.
Smart Images
Figure CN223305847U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of engines, in particular to a throttle valve. Background Art
[0002] The throttle valve body is an important component of the engine's intake system and is used to control the amount of air intake into the engine.
[0003] In the prior art, a dual-purpose throttle valve for oil and gas has a valve body with a gas intake passage and an air intake passage that are interconnected. The air intake passage is connected to the engine, and the gas intake passage is connected to a gas intake pipe and is opened and closed by a solenoid valve.
[0004] In practice, it is found that the gas intake passage transports gas from one side of the air intake passage to the air intake passage, and the density of the gas is less than the density of the air, which causes the gas to float up in the air intake passage, resulting in uneven mixing of air and gas, affecting the engine's operating efficiency. Utility Model Content
[0005] In view of the deficiencies in the prior art, the present invention provides a throttle valve, which can solve or at least alleviate one or more of the above-mentioned problems and other problems in the prior art.
[0006] The utility model provides a throttle valve, comprising:
[0007] A valve body having a gas intake passage and a transversely arranged air intake passage; and
[0008] a gas inlet pipe, the upper end of which is connected to the lower end of the valve body;
[0009] The gas intake passage is located below the air intake passage; the upper end of the gas intake passage is connected to the air intake passage from its lower side; the upper end of the gas intake pipe is connected to the lower end of the gas intake passage.
[0010] Preferably, it also includes:
[0011] An ECU controller is arranged at the upper end of the valve body;
[0012] A detection member having a detection channel, the detection channel having an A end and a B end, wherein the A end of the detection channel is connected to the gas inlet pipe; and
[0013] a pressure sensor, disposed in end B of the detection channel and electrically connected to the ECU controller;
[0014] The shape of the detection channel from end A to end B close to the gas inlet pipe is an inward-concave curve or an inward-concave multi-segment broken line.
[0015] Preferably, the center line of the detection channel is an arc.
[0016] Preferably, the shape of the detection channel (50) from end A to end B is a concave three-segment broken line; the detection element comprises:
[0017] A first tube body is arranged transversely, one end of which is connected to the gas inlet pipe and the other end of which is closed;
[0018] a second tube body, arranged obliquely, with its lower end located above the closed end of the first tube body and in communication with the first tube body, and its other end being closed; and
[0019] a third tube body, arranged vertically, with its lower end located above the closed end of the second tube body and in communication with the second tube body, and the pressure sensor mounted on the other end thereof;
[0020] The first tube body, the second tube body and the third tube body are internally connected to form the detection channel.
[0021] Preferably, end A of the detection channel is communicated with an end of the gas inlet pipe close to the valve body.
[0022] Preferably, an end of the first tube body away from the gas inlet pipe is higher than an end thereof close to the gas inlet pipe.
[0023] Preferably, the angle between the center line of the first tube body and the center line of the second tube body is 30°-60°.
[0024] Preferably, the included angle between the center line of the second tube body and the center line of the third tube body is 30°-60°.
[0025] Preferably, the first tube body, the second tube body, the third tube body and the valve body are an integrally formed structure.
[0026] Compared with the prior art, the present invention has the following beneficial effects:
[0027] In the technology of the present utility model, the upper end of the gas intake channel is connected to the lower side of the air intake channel, so that after the gas enters the air intake channel from the lower side of the air intake channel, the gas will move upward because the density of the gas is less than that of the air. The air passes through and mixes with the gas and then enters the combustion chamber of the engine. The rising gas and air are mixed more evenly. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly describes the drawings required for the specific embodiments or the description of the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. Elements or parts in the drawings are not necessarily drawn to scale.
[0029] Figure 1 A three-dimensional diagram of a throttle valve in one embodiment of the present invention;
[0030] Figure 2 for Figure 1 Left view of;
[0031] Figure 3 for Figure 1 Rear view;
[0032] Figure 4 for Figure 1 A partial cross-sectional view of
[0033] Figure 5 for Figure 1 A partial cross-sectional view of
[0034] Figure 6 for Figure 1 Schematic diagram of the detection component and the gas intake pipe.
[0035] Reference numerals:
[0036] 10. Valve body; 11. Air intake passage; 12. Gas intake passage;
[0037] 20. Gas inlet pipe;
[0038] 30. ECU controller;
[0039] 40. Test piece; 41. First pipe body; 42. Second pipe body; 43. Third pipe body;
[0040] 50. Detection channel. DETAILED DESCRIPTION
[0041] The following embodiments of the technical solution of the present invention are described in detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention and are therefore only examples and are not intended to limit the scope of protection of the present invention.
[0042] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by those skilled in the art to which this utility model belongs.
[0043] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to 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 invention.
[0044] In addition, the terms "first," "second," etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. In the description of this utility model, "plurality" means more than two, unless otherwise specifically defined.
[0045] In this application, unless otherwise expressly specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.
[0046] In this application, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.
[0047] See also Figures 1 to 6 This embodiment provides a throttle valve, including a valve body 10 and a gas intake pipe 20.
[0048] The valve body 10 is provided with a gas inlet passage 12 and a transversely arranged air inlet passage 11. The upper end of a gas inlet pipe 20 is connected to the lower end of the valve body 10. The gas inlet passage 12 is located below the air inlet passage 11. The upper end of the gas inlet passage 12 communicates with the air inlet passage 11 from its lower side; the upper end of the gas inlet pipe 20 communicates with the lower end of the gas inlet passage 12.
[0049] In this embodiment, the lower end of the gas intake pipe 20 is connected to a gas source. The gas is transported through the gas intake pipe 20 and the gas intake passage 12 to the air intake passage 11. After entering the air intake passage 11 from its lower side, the gas, due to its lower density than air, moves upward. During this process, the gas passes through and mixes with air before entering the engine's combustion chamber. This allows the rising gas to mix more evenly with the air.
[0050] In one embodiment, the throttle valve further includes an ECU controller 30 , a detection component 40 and a pressure sensor.
[0051] The ECU controller 30 is located at the upper end of the valve body 10. The detection member 40 has a detection channel 50 with an A end and a B end. The A end of the detection channel 50 is connected to the gas intake pipe 20. A pressure sensor is located within the B end of the detection channel 50 and is electrically connected to the ECU controller 30. The ECU controller 30 uses the pressure sensor to detect the gas pressure within the detection channel 50, thereby more accurately controlling the gas intake volume.
[0052] Integrating the ECU controller 30 into the valve body 10 improves integrity and reduces subsequent failure rates. In practice, the ECU controller 30 is located above the valve body 10 for easy maintenance. The ECU controller 30 uses a pressure sensor to detect gas pressure. The detection channel 50's end A connects to the gas intake pipe 20, while its end B cannot pass directly upward through the air intake channel 11. Therefore, the detection member 40 must first extend horizontally and then vertically to the ECU controller 30 above. Figure 3 ECU controller 30 is located within the ECU protection box. Accordingly, detection channel 50 undergoes a 90-degree turn, which can easily cause gas pressure loss after passing through detection channel 50. Therefore, detection channel 50 gradually curves or bends from horizontal to vertical from end A to end B, forming an inward-concave curve or a concave multi-segment broken line.
[0053] Specifically, the A end of the detection channel 50 is arranged horizontally, and the end (B end) of the detection channel 50 close to the ECU controller 30 is arranged vertically. The detection channel 50 needs to turn 90 degrees to change from horizontal to vertical, and the detection channel 50 in the detection member 40 realizes the overall 90-degree turn by gradually bending or gradually bending. The gradual bending here means that the detection channel 50 has a certain arc to finally realize the turn, and the gradual bending means that the detection channel 50 is divided into multiple sections, and the two adjacent sections have a certain angle to realize the 90-degree turn. In a single bend or bend, the angle of the centerline of the detection channel 50 is not large (will not reach 90 degrees), that is, the detection channel 50 turns relatively smoothly, so that the pressure value detected at the pressure sensor is more accurate.
[0054] In one embodiment, the center line of the detection channel 50 is an arc, and the cross section of the detection channel 50 is a circle, so that the detection channel 50 turns smoothly, thereby making the gas pressure detected by the pressure sensor more accurate.
[0055] In one embodiment, the shape of the detection channel 50 from end A to end B is an inwardly concave three-segment broken line.
[0056] The detection piece 40 includes a first tube body 41 , a second tube body 42 and a third tube body 43 .
[0057] See also Figure 6 The first tube body 41 is arranged horizontally, with one end (the right end) of the first tube body 41 connected to the gas intake pipe 20, and the other end (the left end) of the first tube body 41 is closed. The second tube body 42 is arranged at an angle, with the lower end (the lower right end) of the second tube body 42 located above the closed end of the first tube body 41 and connected to the first tube body 41, and the other end of the second tube body 42 is closed. The third tube body 43 is arranged vertically, with the lower end of the third tube body 43 located above the closed end of the second tube body 42 and connected to the second tube body 42. The other end of the third tube body 43 is mounted with a pressure sensor. In addition, the right end of the first tube body 41 is end A of the detection channel 50.
[0058] The pressure sensor is disposed in the upper end of the third tube body 43. The first tube body 41, the second tube body 42 and the third tube body 43 are connected to form a detection channel 50.
[0059] In this embodiment, the first tube body 41, the second tube body 42, and the third tube body 43 are gradually inclined from the horizontal to the vertical direction, and the detection channel 50 therein is also inclined in this manner, thereby ensuring more accurate detection results from the pressure sensor at the closed end of the third tube body 43. Furthermore, the first tube body 41, the second tube body 42, and the third tube body 43 are more convenient to manufacture and process, thereby reducing costs.
[0060] In one embodiment, end A of the detection channel 50 is connected to the end of the gas inlet pipe 20 near the valve body 10. Specifically, a gas inlet channel is defined within the valve body 10. The gas inlet channel is connected to the gas inlet pipe 20. A solenoid valve is disposed between the gas inlet channel and the gas inlet pipe 20. The detection channel 50 is connected to the end of the gas inlet pipe 20 near the solenoid valve, allowing the pressure sensor to detect the gas pressure at the end of the gas inlet pipe 20, resulting in a more accurate detection result consistent with the actual situation of gas entering the valve body 10.
[0061] In one embodiment, the end of the first tube body 41 away from the gas inlet pipe 20 is higher than the end of the first tube body 41 closer to the gas inlet pipe 20. The turning of the detection channel 50 begins at the first tube body 41, thereby reducing the lateral dimension of the entire detection member 40, or, if the lateral dimension remains unchanged, the turning of the detection channel 50 is smoother.
[0062] In one embodiment, the included angle between the center line of the first tube body 41 and the center line of the second tube body 42 is 30°-60°.
[0063] In one embodiment, the included angle between the center line of the second tube body 42 and the center line of the third tube body 43 is 30°-60°.
[0064] In practice, when the centerline angles between the first tube body 41 and the second tube body 42 and the centerline angles between the second tube body 42 and the third tube body 43 are within the above ranges, the values detected by the pressure sensor can be more accurate.
[0065] In one embodiment, the first tube body 41 , the second tube body 42 , the third tube body 43 and the valve body 10 are integrally formed, thereby improving the degree of integration.
[0066] In the specification of the present invention, a large number of specific details are described. However, it is understood that the embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this specification.
[0067] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and description of the present invention.
Claims
1. A throttle valve, characterized in that: include: A valve body (10) is provided with a gas intake passage (12) and a transversely arranged air intake passage (11); and a gas inlet pipe (20), the upper end of which is connected to the lower end of the valve body (10); The gas intake channel (12) is located below the air intake channel (11); the upper end of the gas intake channel (12) is connected to the air intake channel (11) from the lower side thereof; and the upper end of the gas intake pipe (20) is connected to the lower end of the gas intake channel (12).
2. A throttle valve according to claim 1, characterized in that: Also includes: An ECU controller (30) is arranged at the upper end of the valve body (10); A detection member (40) having a detection channel (50), wherein the detection channel (50) has an A end and a B end, and the A end of the detection channel (50) is in communication with the gas inlet pipe (20); and a pressure sensor, disposed in the B end of the detection channel (50) and electrically connected to the ECU controller (30); The shape of the detection channel (50) from end A to end B is in the form of an inward-concave curve or an inward-concave multi-segment broken line.
3. A throttle valve according to claim 2, characterized in that: The center line of the detection channel (50) is an arc.
4. A throttle valve according to claim 2, characterized in that: The shape of the detection channel (50) from end A to end B is a concave three-segment broken line; The detection member (40) comprises: A first tube body (41) is arranged transversely, one end of which is connected to the gas inlet pipe (20) and the other end of which is closed; A second tube (42) is arranged obliquely, with its lower end located above the closed end of the first tube (41) and in communication with the first tube (41), and its other end is closed; and a third tube (43) arranged vertically, with its lower end located above the closed end of the second tube (42) and in communication with the second tube (42), and the pressure sensor being mounted on the other end thereof; The first tube body (41), the second tube body (42) and the third tube body (43) are internally connected to form the detection channel (50).
5. A throttle valve according to claim 2, characterized in that: End A of the detection channel (50) is in communication with an end of the gas inlet pipe (20) close to the valve body (10).
6. A throttle valve according to claim 4, characterized in that: An end of the first tube body (41) away from the gas inlet pipe (20) is higher than an end thereof close to the gas inlet pipe (20).
7. A throttle valve according to claim 6, characterized in that: The included angle between the center line of the first tube body (41) and the center line of the second tube body (42) is 30°-60°.
8. A throttle valve according to claim 7, characterized in that: The included angle between the center line of the second tube (42) and the center line of the third tube (43) is 30°-60°.
9. A throttle valve according to claim 8, characterized in that: The first tube body (41), the second tube body (42), the third tube body (43) and the valve body (10) are an integrally formed structure.