Automobile exhaust temperature sensor with good temperature sensing effect

Abstract

The utility model discloses an automobile exhaust temperature sensor with a good temperature sensing effect, which relates to the field of automobile exhaust detection, solves the problem that the existing temperature sensor can only monitor the temperature of a wind body at a single position and is low in accuracy, and adopts the following scheme that the automobile exhaust temperature sensor comprises a temperature sensing assembly and a wind guide assembly on the bottom side of the temperature sensing assembly, a main body of the temperature sensing assembly is a main air pipe, and a temperature sensing detection part is fixedly mounted at the bottom end of the sensor frame; a main body of the air guide assembly is a three-way pipe, and the input end of the three-way pipe is fixedly connected with a corrugated pipe; according to the automobile exhaust temperature sensor with the good temperature sensing effect, through the arrangement of the temperature sensing assembly and the air guide assembly, air bodies at all positions in an exhaust channel can be conducted by adjusting the position of an air inlet hopper at the bottom end of a corrugated pipe through the arrangement of all assemblies in the air guide assembly, so that the air bodies are converged into the temperature sensing assembly; and then the sensor frame and the temperature sensing detection part on the sensor frame are used for carrying out real-time temperature monitoring on the converged wind body, so that the temperature monitoring accuracy is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile exhaust detection, in particular to an automobile exhaust temperature sensor with good temperature sensing effect. Background Art

[0002] Automobile exhaust temperature sensor is a device installed on automobile purification devices to monitor the exhaust temperature of these purification devices in real time, collect detection data as a working basis, and thus reduce emissions;

[0003] After searching, the application with patent number 201921848075.X discloses an automobile exhaust temperature sensor, which belongs to the field of measuring element production technology. The temperature sensor includes a temperature measuring element connected to a wiring harness through an insulated cable; the temperature measuring element has a conductive wire extending therefrom, and the insulated cable includes a core wire and a sheath wrapping the core wire; the extended end of the conductive wire is inserted into a lead sleeve and connected to one end of the core wire; the other end of the core wire is connected to one end of the wiring harness passing through a sealing rubber sleeve through a connecting terminal; a protective cap is fixed on one end of the sheath and is wrapped around the temperature measuring element and the lead sleeve; a connecting sleeve is fixed on the other end of the sheath and is wrapped around the other end of the core wire, the connecting terminal and the sealing rubber sleeve; a thermal conductive glue wrapping the temperature measuring element and the lead sleeve is provided in the protective cap;

[0004] The above application document ensures the normal operation of the temperature sensor by setting up a protective component. However, the existing sensors are directly placed in the exhaust duct to monitor the temperature of the fluid passing through the outside in real time, but the range is small. Especially in some locations with larger exhaust vents, the temperature sensing effect is limited, and there is a high possibility of poor temperature sensing accuracy.

[0005] Therefore, we propose an automobile exhaust temperature sensor with good temperature sensing effect. Utility Model Content

[0006] In view of the deficiencies of the prior art, the utility model provides an automobile exhaust temperature sensor with good temperature sensing effect, which solves the problem that the prior temperature sensor can only monitor the temperature of the air body at a single position with low accuracy.

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: an automobile exhaust temperature sensor with good temperature sensing effect, comprising a temperature sensing component and an air guide component on its bottom side, the main body of the temperature sensing component is a main air duct, a side duct is fixedly connected to the outer wall of the main air duct, a sensor frame is installed in the main air duct and the side duct, a temperature sensing detection part is fixedly installed at the bottom end of the sensor frame, and a temperature display screen located at the outer end of the side duct is fixedly installed at the top end of the sensor frame;

[0008] The main body of the air guide component is a three-way pipe, and the input end of the three-way pipe is fixedly connected with a bellows.

[0009] Preferably, the setting of the three-way pipe can converge the airflows conducted in the three groups of bellows to the inner side of the temperature sensing component above, thereby ensuring the accuracy of subsequent temperature sensing monitoring.

[0010] The bellows is a high temperature resistant plastic tube, and an air inlet scoop is fixedly installed at the bottom end of the bellows;

[0011] Among them, the setting of the bellows can adjust the specific position of the air inlet scoop according to the specifications of the exhaust channel, thereby achieving the effect of guiding the airflow at different positions.

[0012] Preferably, an exhaust scoop is fixedly installed on the top of the main air duct;

[0013] Among them, the exhaust scoop is arranged to discharge the converged gas.

[0014] Preferably, the sensor frame is an L-shaped frame, and a temperature sensing detection portion which is spirally shaped and located inside the main air duct is fixedly mounted on the outer side of the bottom end of the sensor frame;

[0015] Among them, the spiral setting of the temperature sensing detection part can increase its contact area with the external airflow, ensuring the accuracy of temperature sensing monitoring.

[0016] Preferably, a mounting frame is fixedly mounted on the outer wall of the temperature sensing component, the mounting frame is a plate-shaped frame, a rectangular mounting groove is opened on the mounting frame, and the temperature sensing component is clamped in the exhaust passage through the mounting frame and the mounting groove thereon.

[0017] The utility model provides an automobile exhaust temperature sensor with good temperature sensing effect. It has the following beneficial effects:

[0018] The automobile exhaust temperature sensor with good temperature sensing effect can utilize the settings of the components in the air guide component through the settings of the temperature sensing component and the air guide component, and can conduct the wind bodies at various positions in the exhaust passage by adjusting the position of the air inlet scoop at the bottom end of the bellows, so that the wind bodies converge into the temperature sensing component, and then the sensor frame and the temperature sensing detection part thereon perform real-time temperature monitoring of the converged wind bodies, thereby ensuring the accuracy of temperature monitoring, and solving the problem that the existing temperature sensor can only monitor the temperature of the wind body at a single position and has low accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the inner side of the temperature sensing component of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the air guide assembly of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the temperature sensing part of the utility model.

[0023] In the figure: 1. Temperature sensing component; 11. Main air duct; 12. Side duct; 13. Exhaust scoop; 14. Sensor rack; 15. Temperature sensing detection unit; 16. Temperature display screen; 17. Mounting frame; 2. Air guide component; 21. Three-way pipe; 22. Bellows; 23. Air inlet scoop. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4 The embodiment of the utility model provides a technical solution: an automobile exhaust temperature sensor with good temperature sensing effect, comprising a temperature sensing component 1 and an air guide component 2 at the bottom side thereof, the main body of the temperature sensing component 1 being a main air duct 11, a side duct 12 being fixedly connected to the outer wall of the main air duct 11, a sensor frame 14 being installed in the main air duct 11 and the side duct 12, a temperature sensing detection part 15 being fixedly installed at the bottom end of the sensor frame 14, and a temperature display screen 16 located at the outer end of the side duct 12 being fixedly installed at the top end of the sensor frame 14;

[0026] Among them, the automobile exhaust temperature sensor with good temperature sensing effect, through the settings of the temperature sensing component 1 and the air guide component 2, can utilize the settings of each component in the air guide component 2, and conduct the wind at various positions in the exhaust channel by adjusting the position of the air inlet scoop 23 at the bottom end of the bellows 22, so that it converges into the temperature sensing component 1, and then the sensor frame 14 and the temperature sensing detection part 15 thereon perform real-time temperature monitoring of the converged wind body to ensure the accuracy of temperature monitoring, thereby solving the problem that the existing temperature sensor can only monitor the temperature of the wind at a single position with low accuracy.

[0027] Embodiment 2: The main body of the air guide component 2 is a three-way pipe 21, and the input end of the three-way pipe 21 is fixedly connected with a bellows 22; the setting of the three-way pipe 21 can converge the airflows conducted in the three groups of bellows 22 to the inner side of the temperature sensing component 1 above, thereby ensuring the accuracy of subsequent temperature monitoring.

[0028] The bellows 22 is a high temperature resistant plastic tube, and an air inlet scoop 23 is fixedly installed at the bottom end of the bellows 22; wherein, the setting of the bellows 22 can adjust the specific position of the air inlet scoop 23 according to the specifications of the exhaust channel, thereby achieving the effect of guiding the airflow at different positions.

[0029] An exhaust scoop 13 is fixedly installed at the top of the main air duct 11; wherein, the exhaust scoop 13 is configured to discharge the converged gas.

[0030] The sensor frame 14 is an L-shaped frame, and a temperature sensing detection part 15 is fixedly installed on the outer side of the bottom end of the sensor frame 14 and is spirally mounted on the inner side of the main air duct 11; wherein, the spiral setting of the temperature sensing detection part 15 can increase its contact area with the outer airflow, thereby ensuring the accuracy of temperature sensing monitoring.

[0031] A mounting frame 17 is fixedly mounted on the outer wall of the temperature sensing component 1. The mounting frame 17 is a plate-shaped frame with a rectangular mounting groove formed thereon. The temperature sensing component 1 is mounted in the exhaust passage through the mounting frame 17 and the mounting groove thereon.

[0032] The working principle and use process of the utility model are as follows: when the device is needed to work, it is clamped in the exhaust channel through the mounting frame 17, and the specific position of the air inlet scoop 23 at the outer end of the bellows 22 is adjusted according to the specifications of the exhaust channel, and the airflows at three different points are conducted to the temperature sensing component 1 to converge, and then the sensor frame 14 and the temperature sensing detection part 15 are used to accurately monitor the temperature of the converged gas to ensure the accuracy of the temperature sensing.

[0033] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An automobile exhaust temperature sensor with good temperature sensing effect, characterized in that: The invention comprises a temperature sensing component (1) and an air guide component (2) on the bottom side thereof, wherein the main body of the temperature sensing component (1) is a main air duct (11), a side duct (12) is fixedly connected to the outer wall of the main air duct (11), a sensor frame (14) is installed in the main air duct (11) and the side duct (12), a temperature sensing detection part (15) is fixedly installed at the bottom end of the sensor frame (14), and a temperature display screen (16) located at the outer end of the side duct (12) is fixedly installed at the top end of the sensor frame (14); The main body of the air guide component (2) is a three-way pipe (21), and the input end of the three-way pipe (21) is fixedly connected to a bellows (22).

2. The automobile exhaust temperature sensor with good temperature sensing effect according to claim 1 is characterized in that: The bellows (22) is a high temperature resistant plastic tube, and an air inlet scoop (23) is fixedly mounted on the bottom end of the bellows (22).

3. The automobile exhaust temperature sensor with good temperature sensing effect according to claim 2 is characterized in that: An exhaust scoop (13) is fixedly mounted on the top end of the main air duct (11).

4. The automobile exhaust temperature sensor with good temperature sensing effect according to claim 1 is characterized in that: The sensor frame (14) is an L-shaped frame, and a temperature sensing detection portion (15) which is spirally shaped and located on the inner side of the main air duct (11) is fixedly mounted on the outer side of the bottom end of the sensor frame (14).

5. The automobile exhaust temperature sensor with good temperature sensing effect according to claim 1 is characterized in that: A mounting frame (17) is fixedly mounted on the outer wall of the temperature sensing component (1); the mounting frame (17) is a plate-shaped frame; a rectangular mounting groove is provided on the mounting frame (17); and the temperature sensing component (1) is mounted in the exhaust passage via the mounting frame (17) and the mounting groove thereon.

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