A high temperature sensor assembly for an engine

Abstract

This utility model discloses a high-temperature sensor assembly for an engine, including a main interface end. A connecting wire is provided at the front end of the main interface end. Branch lines are provided above and below the front end of the connecting wire. A threaded mounting part is provided at the front end of the branch line. A probe is provided at the front end of the threaded mounting part. A fixing cylinder is fixed to the outer wall of the branch line. Fixing frames are fixed to both sides of the outer wall of the fixing cylinder. This device fixes the fixing cylinder to the outer wall of the two branch lines. A rotatable column is sleeved on the inner side of the fixing cylinder. The degree of movement of the two branch lines is limited by a connecting rod to reduce crease formation, protect the integrity of the conductor inside the wire, maintain the stability and continuity of signal transmission, reduce signal attenuation, distortion and open circuit risk, and improve the electrical performance and reliability of the sensor assembly.

Description

Technical Field

[0001] This utility model belongs to the technical field of high-temperature sensor components for engines, and specifically relates to a high-temperature sensor component for engines. Background Technology

[0002] A high-temperature sensor assembly for an engine is a device specifically designed to monitor the temperature of critical engine components. It typically consists of a high-temperature resistant sensing element, signal processing circuitry, and a protective housing. The sensing element directly contacts high-temperature areas such as the engine block, exhaust manifold, or turbocharger, sensing temperature changes in real time and converting them into electrical signals. These signals are amplified and filtered by the signal processing circuitry before being transmitted to the engine control unit (ECU). The ECU then adjusts parameters such as fuel injection and ignition timing based on the temperature data to ensure the engine operates within a safe temperature range. The protective housing is made of high-temperature resistant and vibration-resistant materials, effectively protecting against the high temperatures, oil contaminants, and corrosive gases in the engine compartment. This ensures the reliability and lifespan of the sensor assembly, making it a key component in the engine's thermal management system for temperature monitoring and control.

[0003] During the use of the engine high temperature sensor assembly, repeated operation can cause creases at the connection between the branch line and the connecting wire, which can damage the internal conductor of the wire, leading to signal attenuation, distortion, or even open circuit. Utility Model Content

[0004] The purpose of this invention is to provide a high-temperature sensor assembly for engines, in order to solve the problem mentioned in the background art that, during the use of the high-temperature sensor assembly for engines, the connection between the branch line and the connecting wire is creased due to repeated operation, which will cause damage to the internal conductor of the wire, resulting in signal transmission attenuation, distortion, or even open circuit.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-temperature sensor assembly for an engine, comprising a main interface end, a connecting wire at the front end of the main interface end, a branch line at the upper and lower positions of the front end of the connecting wire, a threaded mounting component at the front end of the branch line, a probe at the front end of the threaded mounting component, a fixing cylinder fixed to the outer wall of the branch line, fixing frames fixed to both sides of the outer wall of the fixing cylinder, a rotatable column sleeved on the inner side of the fixing frame, the rotatable column engaging a rotating shaft fixed at its left and right ends within the fixing frame, a groove provided within the rotatable column, a connecting rod sleeved on the inner side of the rotatable column through the groove, fixing plates fixed at both ends of the connecting rod, and a stainless steel spring fixed to one end of the fixing plate.

[0006] Preferably, the inner wall of the fixing plate is provided with a threaded structure, and the threaded structure is connected to the wiring of the engine control system.

[0007] Preferably, the connecting wire transmits the signal, and the left and right ends of the connecting wire are respectively connected to the detection end and the interface end.

[0008] Preferably, there are two branch lines, and each branch line is connected to a corresponding threaded mounting component.

[0009] Preferably, the threaded mounting component uses the threaded structure on its outer wall to mount the probe at the engine mounting position.

[0010] Preferably, the probe has a slender structure for contacting the high-temperature region of the engine.

[0011] Preferably, the connecting rod connects the two rotatable columns, which rotate about the rotation axis at a position inside the fixed frame.

[0012] Preferably, both the fixing plate and the stainless steel spring are sleeved inside the groove, and the fixing plate prevents the connecting rod from detaching from the rotatable column.

[0013] Compared with the prior art, this utility model provides a high-temperature sensor assembly for engines, which has the following advantages:

[0014] 1. This device has a fixed cylinder at the outer wall of the two branch lines, and a rotatable column is sleeved on the inner side of the fixed cylinder. The movement of the two branch lines is limited by the connecting rod to reduce the formation of creases, protect the integrity of the conductor inside the wire, maintain the stability and continuity of signal transmission, reduce the risk of signal attenuation, distortion and open circuit, and improve the electrical performance and reliability of the sensor assembly.

[0015] 2. When the branch line moves, the rotatable column swings around the rotation axis at the inner position of the fixed frame to adjust the angle. The movement of the rotatable column causes the fixed plate to compress the stainless steel spring, while the stainless steel spring releases its elastic force to limit the degree of movement of the branch line. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of a high-temperature sensor assembly for an engine according to the present invention.

[0017] Figure 2 This is a partially enlarged structural diagram of a high-temperature sensor assembly for an engine according to the present invention.

[0018] Figure 3This is a front view structural diagram of a high-temperature sensor assembly for an engine according to the present invention.

[0019] Figure 4 This is a schematic diagram of the rotatable column structure of a high-temperature sensor assembly for an engine according to the present invention.

[0020] In the diagram: 1. Main interface end; 2. Connecting wire; 3. Branch line; 4. Threaded mounting part; 5. Probe; 6. Fixing cylinder; 7. Fixing frame; 8. Connecting rod; 9. Rotatable column; 10. Fixing plate; 11. Stainless steel spring; 12. Rotating shaft; 13. Groove. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0022] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] The utility model provides, for example Figure 1-4The high-temperature sensor assembly for an engine shown includes a main interface 1, a connecting wire 2 at the front end of the main interface 1, a branch wire 3 at the upper and lower positions of the front end of the connecting wire 2, a threaded mounting part 4 at the front end of the branch wire 3, a probe 5 at the front end of the threaded mounting part 4, a fixing cylinder 6 fixed to the outer wall of the branch wire 3, fixing frames 7 fixed to both sides of the outer wall of the fixing cylinder 6, a rotatable column 9 sleeved on the inner side of the fixing frame 7, the rotatable column 9 engaging a rotating shaft 12 fixed at both ends of the left and right ends within the fixing frame 7, a groove 13 provided inside the rotatable column 9, a connecting rod 8 sleeved on the inner side of the rotatable column 9 through the groove 13, fixing plates 10 fixed at both ends of the connecting rod 8, and a stainless steel spring 11 fixed at one end of the fixing plate 10.

[0025] The main interface 1 is connected to the engine control system to transmit temperature signals. The probe 5 is installed in the high-temperature areas that need to be monitored, such as the engine exhaust system and combustion control system, through the threaded mounting part 4. When the engine is running, the probe 5 comes into contact with the high-temperature environment and uses a thermistor to convert the physical quantity of temperature into an electrical signal. The electrical signal is transmitted from the probe end to the main interface 1 through the connecting wire 2. The main interface 1 is connected to the engine control unit and other systems to input the temperature electrical signal into the control system. The control system adjusts the engine according to the received temperature data.

[0026] like Figure 1 and Figure 3 As shown, a threaded structure is provided on the inner wall of the fixing plate 10, and the threaded structure is connected to the wiring of the engine control system. The connecting wire 2 transmits the signal. The left and right ends of the connecting wire 2 are connected to the detection end and the interface end, respectively. There are two branch lines 3, and each branch line 3 is connected to the corresponding threaded mounting part 4. The threaded mounting part 4 uses the threaded structure on the outer wall to install the probe 5 at the mounting position of the engine. The probe 5 is a slender structure for contacting the high-temperature area of ​​the engine.

[0027] The probe 5 has two probes, which are used to reach different high-temperature monitoring points such as the engine exhaust system and combustion control system, and collect temperature data from two locations simultaneously or separately. This allows the engine control unit to obtain accurate temperature information from multiple areas, ensuring stable and efficient engine operation under complex conditions. It also adapts to the needs of different engine structures for multi-location temperature monitoring, improving the accuracy of thermal management and control.

[0028] like Figure 2 and Figure 4As shown, the connecting rod 8 connects the two rotatable columns 9. The rotatable columns 9 rotate around the rotating shaft 12 at the inner position of the fixed frame 7. The fixed plate 10 and the stainless steel spring 11 are both sleeved in the inner position of the groove 13. The fixed plate 10 ensures that the connecting rod 8 will not detach from the rotatable columns 9.

[0029] When branch line 3 moves, the rotatable column 9 swings around the rotation axis 12 at the inner position of the fixed frame 7 to adjust the angle. The movement of the rotatable column 9 causes the fixed plate 10 to compress the stainless steel spring 11, while the stainless steel spring 11 releases its elastic force to limit the degree of movement of branch line 3.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high-temperature sensor assembly for an engine, characterized in that, Includes a main interface (1), a connecting wire (2) is provided at the front end of the main interface (1), a branch line (3) is provided above and below the front end of the connecting wire (2), a threaded mounting part (4) is provided at the front end of the branch line (3), a probe (5) is provided at the front end of the threaded mounting part (4), a fixing cylinder (6) is fixed at the outer wall of the branch line (3), and fixing frames (7) are fixed on both sides of the outer wall of the fixing cylinder (6). A rotatable column (9) is sleeved at the side position. The rotatable column (9) is fixed to the rotating shaft (12) at the left and right ends and is snapped into the inside position of the fixed frame (7). A groove (13) is provided in the inside position of the rotatable column (9). A connecting rod (8) is sleeved on the inner side of the rotatable column (9) through the groove (13). A fixing plate (10) is fixed at the left and right ends of the connecting rod (8). A stainless steel spring (11) is fixed at one end of the fixing plate (10).

2. The high-temperature sensor assembly for an engine according to claim 1, characterized in that: The inner wall of the fixing plate (10) is provided with a threaded structure, and the threaded structure is connected to the wiring of the engine control system.

3. A high-temperature sensor assembly for an engine according to claim 1, characterized in that: The connecting wire (2) transmits signals, and the left and right ends of the connecting wire (2) are respectively connected to the detection end and the interface end.

4. A high-temperature sensor assembly for an engine according to claim 1, characterized in that: There are two branch lines (3), and each branch line (3) is connected to the corresponding threaded mounting part (4).

5. A high-temperature sensor assembly for an engine according to claim 1, characterized in that: The threaded mounting component (4) uses the threaded structure on its outer wall to mount the probe (5) at the engine mounting position.

6. A high-temperature sensor assembly for an engine according to claim 1, characterized in that: The probe (5) is a slender structure used to contact the high-temperature area of ​​the engine.

7. A high-temperature sensor assembly for an engine according to claim 1, characterized in that: The connecting rod (8) connects the two rotatable columns (9), which rotate about the rotation axis (12) at the inner position of the fixed frame (7).

8. A high-temperature sensor assembly for an engine according to claim 1, characterized in that: The fixing plate (10) and the stainless steel spring (11) are both sleeved inside the groove (13), and the fixing plate (10) prevents the connecting rod (8) from disengaging from the rotatable column (9).

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