Throttle valve position sensor testing tool

Abstract

The utility model relates to the technical field of position sensor testing, in particular to a throttle position sensor testing tool, and aims to solve the problem that an existing testing process is tedious. The throttle position sensor testing tool comprises a main body support, a rotating shaft is rotationally arranged on the main body support, and the two ends of the rotating shaft extend to the outside of the main body support; the rotating shaft is provided with a scale calibration sleeve for displaying scales, the main body support is provided with an indicator corresponding to the scales of the scale calibration sleeve, the main body support is provided with an assembly hole for installing a throttle valve position sensor, and the assembly hole is arranged at one end of the rotating shaft. The assembling hole and the circle center of the rotating shaft are located on the same axis, and a rotating mechanism used for driving the rotating shaft is arranged on the main body support. The method has the advantages that the testing process of the throttle valve position sensor is simplified, the steps of manual operation are reduced, the tediousness of testing is reduced, and the overall testing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of position sensor testing, in particular to a throttle position sensor testing tool. BACKGROUND

[0002] The throttle position sensor (TPS) is a key component in the electronic control system of a vehicle. Its main function is to convert the opening degree of the throttle valve (i.e., the engine load) into an electrical signal input to the engine control unit (ECU). This conversion process is achieved through an internal sliding potentiometer or Hall element. As the throttle shaft rotates, the sliding contacts of the potentiometer or the Hall element detects changes in the magnetic field, thereby converting the throttle position information into a resistance or voltage signal. The ECU accurately determines the engine operating conditions based on these signals, and then controls the fuel injection amount, ignition timing, etc., to ensure that the engine runs efficiently and smoothly under various conditions.

[0003] The throttle position sensor is crucial to the performance of the engine. Once the sensor fails, such as short-circuiting of the idle switch, open circuit, or poor contact of the linear variable resistor sliding contact, it may cause problems such as unstable engine idle speed, slow acceleration, and even engine stall. Therefore, it is particularly important to regularly test and maintain the accuracy and reliability of the throttle position sensor.

[0004] In the prior art, the current throttle position sensor testing process is too complex and greatly relies on manual operation. This dependence not only increases the complexity of testing and reduces overall testing efficiency, but also due to the uncertainty of human factors, the accuracy of the test results is difficult to guarantee. CONTENT OF THE INVENTION

[0005] In order to solve the problem of the existing testing process being complicated, the present application provides a throttle position sensor testing tool.

[0006] The throttle position sensor testing tool provided by the present application adopts the following technical solution:

[0007] A throttle position sensor testing tool, comprising a main support, a rotating shaft is rotatably arranged on the main support, both ends of the rotating shaft extend to the outside of the main support, a scale calibration sleeve for displaying scales is arranged on the rotating shaft, an indicator corresponding to the scales of the scale calibration sleeve is arranged on the main support, an assembly hole for mounting the throttle position sensor is formed in the main support, the assembly hole is arranged at one end of the rotating shaft, the center of the assembly hole and the center of the rotating shaft are located on the same axis, and a rotating mechanism for driving the rotating shaft is arranged on the main support.

[0008] Due to the current throttle position sensor test process, the operation is too complex, and it greatly depends on manual operation, which not only increases the complexity of the test and reduces the overall test efficiency, but also due to the uncertainty of human factors, the accuracy of the test result is difficult to guarantee; by adopting the above technical scheme, the main support, the rotating shaft is rotatably installed on the main support, the scale calibration sleeve is arranged on the rotating shaft, and the indicator corresponds to the scale calibration sleeve;

[0009] When testing the throttle position sensor, according to the test requirements, adjust the scale on the scale calibration sleeve, ensure that the indicator corresponds to the scale of the scale calibration sleeve, so that the rotation angle of the rotating shaft can be clearly observed, the throttle position sensor is installed on the rotating shaft through the assembly hole (the throttle position sensor is electrically connected with the test system), and then the rotating mechanism on the tooling is used to drive the rotating shaft to rotate, the scale value indicated by the indicator is observed, and the corresponding data is recorded. These data will be used to evaluate the performance and accuracy of the throttle position sensor;

[0010] Through the setting of the rotating shaft, the scale calibration sleeve, the indicator and the rotating mechanism, the test process of the throttle position sensor is simplified, the steps of manual operation are reduced, the complexity of the test is reduced, the overall test efficiency is improved, and at the same time, since the scale calibration sleeve and the indicator are adopted, the rotation angle of the rotating shaft can be clearly observed, the accuracy of the test data is ensured, the influence of the uncertainty of human factors on the test result is reduced, the reliability of the test is improved, and the structure design of the tooling is reasonable, convenient for users to operate and maintain daily, and can be suitable for different models and specifications of the throttle position sensor, and meet the test requirements of different users.

[0011] Optionally, a key groove for fixing the throttle position sensor is formed at one end of the rotating shaft, and the key groove is formed on one side of the main support where the assembly hole is formed.

[0012] By adopting the above technical scheme, the key groove is formed at one end of the rotating shaft; through the setting of the key groove, the connection strength is enhanced, and the installation process is simplified, which not only effectively prevents the loosening or deviation of the sensor during the test process, but also ensures the coaxiality between the sensor and the rotating shaft, thereby improving the accuracy of the test.

[0013] Optionally, an angle limiting rod for limiting the rotation angle of the throttle position sensor is arranged on one side of the main support.

[0014] By adopting the technical scheme, the angle constraint rod is installed on the main support; through the setting of the angle constraint rod, the angle constraint rod can accurately limit the rotation angle of the throttle position sensor on the rotating shaft, ensure that the sensor does not exceed the designed working range in the test process, guarantee the accuracy and safety of the test, and prevent excessive rotation.

[0015] Optionally, one side of the main support is provided with an angle constraint rod for limiting the rotation angle of the throttle position sensor.

[0016] By adopting the technical scheme, a plurality of through holes are arranged on the main support; through the arrangement of the plurality of through holes, the installation position of the angle constraint rod can be flexibly selected, different models and specifications of the throttle position sensor can be adapted, the universality and adaptability of the tooling are improved, and the accuracy and reliability of the test are ensured.

[0017] Optionally, the rotating mechanism comprises a rotating motor, a worm gear and a worm; the worm gear is sleeved on the rotating shaft; the worm is engaged with the worm gear; the rotating motor is arranged on one side of the main support; and the worm is connected to the output end of the rotating motor.

[0018] By adopting the technical scheme, the rotating mechanism comprises a rotating motor, a worm gear and a worm; when the rotating motor starts to work, the output end of the rotating motor drives the connected worm to start to rotate; since the worm is engaged with the worm gear, the worm gear is driven to start to rotate and drive the rotating shaft to rotate together; with the rotation of the rotating shaft, the throttle position sensor installed on the rotating shaft also rotates; in the rotation process, the operator can observe the scale value indicated by the indicator and record the corresponding data.

[0019] Through the arrangement of the rotating motor, the worm gear and the worm, the worm gear and the worm transmission have good stability, which can ensure the stability of the rotating shaft in the rotation process, help to reduce the test error caused by unstable rotation, improve the test accuracy, and realize the accurate control of the rotation angle of the sensor.

[0020] Optionally, a support frame for supporting the rotation of the worm is arranged on the main support; and the rotating motor is arranged on the support frame.

[0021] By adopting the technical scheme, the support frame is installed on the main support; through the arrangement of the support frame, the support frame provides stable support for the worm, ensures the stability of the worm in the rotation process, and helps to reduce the transmission error caused by the shaking or instability of the worm, and further improves the accuracy of the test.

[0022] Optionally, the bottom of the support frame is provided with a bottom plate, the bottom plate is attached to the main support, and a fixing bolt for fixing is arranged on the bottom plate.

[0023] By adopting the technical scheme, the bottom plate is integrally formed on the support frame, and the bottom plate is installed on the main support frame through the fixing bolts; through the arrangement of the bottom plate and the fixing bolts, it is ensured that the support frame can bear the large load from the rotary motor and the worm, the bearing capacity of the whole test tool is improved, and the fixing bolts are convenient for installation and adjustment.

[0024] Optionally, the main support frame is provided with an indicator lamp for displaying a test working state.

[0025] By adopting the technical scheme, the indicator lamp is installed on the main support frame; through the arrangement of the indicator lamp, the indicator lamp can intuitively display the working state of the test tool, such as starting, running, stopping, failure and the like, and the operator only needs to observe the bright and dark state of the indicator lamp to quickly understand the current state of the test tool without complicated operation or checking other equipment.

[0026] In summary, the present application has at least one of the following beneficial technical effects:

[0027] Through the arrangement of the rotating shaft, the scale calibration sleeve, the indicator and the rotating mechanism, the test process of the throttle position sensor is simplified, the manual operation steps are reduced, the test complexity is reduced, the overall test efficiency is improved, and the rotating angle of the rotating shaft can be clearly observed due to the adoption of the scale calibration sleeve and the indicator, the accuracy of the test data is ensured, the influence of the uncertainty of human factors on the test result is reduced, the test reliability is improved, the structure design of the tool is reasonable, the user can conveniently perform daily operation and maintenance, the tool can be applied to throttle position sensors of different models and specifications, and the test requirements of different users are met;

[0028] Through the arrangement of the angle constraint rod, the angle constraint rod can accurately limit the rotating angle of the throttle position sensor on the rotating shaft, so that the sensor will not exceed the designed working range in the test process, the accuracy and safety of the test are ensured, and excessive rotation is prevented.

[0029] Through the arrangement of the rotary motor, the worm gear and the worm, the worm gear transmission has good stability, can ensure the stability of the rotating shaft in the rotating process, helps to reduce the test error caused by unstable rotation, improves the test accuracy, and realizes accurate control of the rotating angle of the sensor. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a structural schematic view of a throttle position sensor test tool in an embodiment of the present application.

[0031] Figure 2 is a structural schematic view for embodying the position of the angle constraint rod in an embodiment of the present application.

[0032] Explanation of reference signs: 1, main support; 2, rotating shaft; 3, scale calibration sleeve; 4, indicator; 5, assembly hole; 6, rotating mechanism; 61, rotating motor; 62, worm gear; 63, worm; 7, key groove; 8, angle constraint rod; 9, through hole; 10, support frame; 11, bottom plate; 12, fixing bolt; 13, indicator light. DETAILED DESCRIPTION

[0033] The following will be described in detail in combination with the accompanying Figures 1-2 The application is further described in detail.

[0034] The embodiment of the application discloses a throttle position sensor test tool. Figure 1 The throttle position sensor test tool comprises a main support 1, a rotating shaft 2 is rotatably installed on the main support 1, the rotating shaft 2 is rotatably installed on the main support 1 through a bearing, and both ends of the rotating shaft 2 extend towards the outside of the main support 1 in the embodiment.

[0035] Referring to Figure 1 The main support 1 is provided with an indicator light 13, the indicator light 13 can directly display the working state of the test tool, such as starting, running, stopping, failure and the like, and an operator can quickly understand the current state of the test tool by observing the bright and dark state of the indicator light 13, without the need of complicated operation or checking other equipment.

[0036] Referring to Figure 1 A scale calibration sleeve 3 is sleeved and installed on the rotating shaft 2, a circle of scale lines is formed on the scale calibration sleeve 3, and the main support 1 is provided with an indicator 4 on one side, the indicator 4 corresponds to the scale of the scale calibration sleeve 3, and the indicator 4 indicates the direction of the scale line of the scale calibration sleeve 3 in the embodiment.

[0037] Referring to Figure 1 and Figure 2 An assembly hole 5 is formed in one side of the main support 1, the assembly hole 5 and the center of the rotating shaft 2 are located on the same axis, the assembly hole 5 is used for installing the throttle position sensor, and one end of the rotating shaft 2 is provided with a key groove 7, the key groove 7 is formed in one side of the main support 1 where the assembly hole 5 is formed in the embodiment, and the throttle position sensor is provided with a corresponding fixed key block; the connection strength is enhanced, the installation process is simplified, the loosening or deviation of the sensor in the test process is effectively prevented, the coaxiality between the sensor and the rotating shaft 2 is ensured, and therefore the test accuracy is improved.

[0038] Referring to Figure 1The rotating mechanism 6 is arranged on the side of the main support 1 away from the throttle position sensor assembly hole 5, and the rotating mechanism 6 comprises a rotating motor 61, a worm wheel 62 and a worm 63. The worm wheel 62 is sleeved and arranged at the end of the rotating shaft 2, and the worm 63 is engaged with the worm wheel 62. The support frame 10 is arranged on the main support 1, and the worm 63 is rotatably arranged on the support frame 10 through a bearing in the embodiment, and the rotating motor 61 is arranged on the support frame 10. The output end of the rotating motor 61 is connected to one end of the worm 63, and the rotating motor 61 can realize forward and reverse rotation. The transmission of the worm wheel 62 and the worm 63 has good stability, can ensure the stability of the rotating shaft 2 during rotation, helps to reduce the test error caused by unstable rotation, improves the accuracy of the test, and realizes the accurate control of the rotation angle of the sensor.

[0039] With reference to Figure 1 The bottom plate 11 is arranged on the main support 1, and the fixing bolt 12 is arranged on the bottom plate 11. In the embodiment, the bottom plate 11 is arranged on the main support 1 through the fixing bolt 12. The support frame 10 can bear the large load from the rotating motor 61 and the worm 63, improves the bearing capacity of the whole test tool, and the fixing bolt 12 is convenient for installation and adjustment.

[0040] With reference to Figure 2 The angle constraint rod 8 is arranged on the side of the main support 1 where the assembly hole 5 is arranged. The angle constraint rod 8 can accurately limit the rotation angle of the throttle position sensor on the rotating shaft 2, ensures that the sensor will not exceed the designed working range during the test, guarantees the accuracy and safety of the test, and prevents excessive rotation.

[0041] With reference to Figure 2 The through holes 9 are arranged on the main support 1, and the sizes of the through holes 9 are consistent. The through holes 9 can be arranged on the main support 1. The installation position of the angle constraint rod 8 can be flexibly selected, the tool can be adapted to different models and specifications of the throttle position sensor, the versatility and adaptability of the tool are improved, and the accuracy and reliability of the test are ensured.

[0042] The implementation principle of the throttle position sensor test tool is as follows: when the throttle position sensor is tested, the scale on the scale calibration sleeve 3 is adjusted according to the test requirements, the indicator 4 is ensured to correspond to the scale on the scale calibration sleeve 3, so that the rotation angle of the rotating shaft 2 can be clearly observed, the throttle position sensor is installed on the rotating shaft 2 through the assembly hole 5 (the throttle position sensor is electrically connected with the test system), then the rotating mechanism 6 on the tool is used to drive the rotating shaft 2 to rotate, the rotating motor 61 starts to work, the output end of the rotating motor 61 drives the connected worm 63 to start to rotate, since the worm 63 is engaged with the worm gear 62, the worm gear 62 is driven to start to rotate and drive the rotating shaft 2 to rotate together, with the rotation of the rotating shaft 2, the throttle position sensor installed on the rotating shaft 2 also rotates, during the rotation, the opening of the throttle (i.e. the rotation angle of the rotating shaft 2) is reflected on the scale calibration sleeve 3 and the indicator 4 in real time, the operator can observe the scale value indicated by the indicator 4 and record the corresponding data, and these data will be used to evaluate the performance and accuracy of the throttle position sensor.

[0043] Through the setting of the rotating shaft 2, the scale calibration sleeve 3, the indicator 4 and the rotating mechanism 6, the test process of the throttle position sensor is simplified, the manual operation steps are reduced, the test complexity is reduced, the overall test efficiency is improved, and since the scale calibration sleeve 3 and the indicator 4 are adopted, the rotation angle of the rotating shaft 2 can be clearly observed, the accuracy of the test data is ensured, the influence of the uncertainty of human factors on the test result is reduced, the test reliability is improved, the structure of the tool is reasonable, the user can conveniently operate and maintain, the tool can be applied to different models and specifications of throttle position sensors, and the test requirements of different users can be met.

[0044] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, therefore: equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A throttle position sensor test fixture characterized by: The application relates to a main body support, a rotating shaft is arranged on the main body support, the rotating shaft extends to the outside of the main body support at both ends, a scale calibration sleeve for displaying scales is arranged on the rotating shaft, an indicator corresponding to the scales of the scale calibration sleeve is arranged on the main body support, an assembling hole for mounting a throttle position sensor is arranged on the main body support, the assembling hole is arranged at one end of the rotating shaft, the center of the assembling hole and the rotating shaft are located on the same axis, and a rotating mechanism for driving the rotating shaft is arranged on the main body support.

2. A throttle position sensor test fixture according to claim 1, wherein: One end of the rotating shaft is provided with a key groove for fixing the throttle position sensor, and the key groove is arranged on one side of the main body support where the assembling hole is arranged.

3. A throttle position sensor test fixture as in claim 1, wherein: One side of the main body support is provided with an angle limiting rod for limiting the rotating angle of the throttle position sensor.

4. A throttle position sensor test fixture according to claim 3, wherein: A plurality of through holes for mounting the angle limiting rod are arranged on the main body support, and the through holes are arranged in a circumferential array on the main body support.

5. A throttle position sensor test fixture as in claim 1, wherein: The rotating mechanism comprises a rotating motor, a worm wheel and a worm, the worm wheel is sleeved on the rotating shaft, the worm is engaged with the worm wheel, the rotating motor is arranged on one side of the main body support, and the worm is connected to the output end of the rotating motor.

6. A throttle position sensor test fixture according to claim 5, wherein: A supporting frame for supporting the rotation of the worm is arranged on the main body support, and the rotating motor is arranged on the supporting frame.

7. A throttle position sensor test fixture according to claim 6, wherein: The bottom of the supporting frame is provided with a bottom plate, the bottom plate is attached to the main body support, and the bottom plate is provided with fixing bolts for fixing.

8. A throttle position sensor test fixture according to claim 1, wherein: An indicator lamp for displaying the test working state is arranged on the main body support.

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