CN105043432A - Detection method of camshaft phase sensor - Google Patents
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Abstract
Description
技术领域technical field
本发明涉及凸轮轴相位传感器检测技术，具体涉及凸轮轴相位传感器检测方法。The invention relates to a camshaft phase sensor detection technology, in particular to a camshaft phase sensor detection method.
背景技术Background technique
凸轮轴相位传感器在生产完成后，需要进行性能的检测，以保持产品的出厂质量一致性。现有技术中，凸轮轴相位传感器功能检测，通过直接用示波器测试凸轮轴相位传感器输出信号，通过示波器显示参数来判断实现。这种测试方法，操作者需要能够准确判断示波器显示参数是否符合要求，对操作者的要求较高，同时依靠操作者人为判断，轮轴相位传感器功能检测的准确度受影响，检测效率也受影响。After the production of the camshaft phase sensor is completed, performance testing is required to maintain the consistency of the product's ex-factory quality. In the prior art, the function detection of the camshaft phase sensor is realized by directly testing the output signal of the camshaft phase sensor with an oscilloscope, and judging by displaying parameters of the oscilloscope. In this test method, the operator needs to be able to accurately judge whether the oscilloscope display parameters meet the requirements, which has high requirements for the operator. At the same time, relying on the operator's artificial judgment, the accuracy of the wheel axle phase sensor function detection is affected, and the detection efficiency is also affected.
发明内容Contents of the invention
本发明的目的在于克服现有技术的不足，提供操作直观，准确性高，检测效率高的凸轮轴相位传感器检测方法。The object of the present invention is to overcome the deficiencies of the prior art and provide a camshaft phase sensor detection method with intuitive operation, high accuracy and high detection efficiency.
为了实现上述目的，本发明采用的技术方案为：In order to achieve the above object, the technical scheme adopted in the present invention is:
凸轮轴相位传感器检测方法，具体为：The detection method of the camshaft phase sensor, specifically:
在和电机连接的转轴上安装结构相同的第一信号靶轮和第二信号靶轮；Install the first signal target wheel and the second signal target wheel with the same structure on the rotating shaft connected with the motor;
在固定轴上安装标准样件固定悬臂和测试样件固定悬臂，标准样件固定悬臂上安装测试第一信号靶轮转动相位的传感器标准件，测试样件固定悬臂上安装测试第二信号靶轮转动相位的传感器检测件；Install the standard sample fixed cantilever and the test sample fixed cantilever on the fixed shaft, the standard sample fixed cantilever installs the sensor standard part for testing the rotational phase of the first signal target wheel, and the test sample fixed cantilever installs the test second signal target wheel The sensor detection part of the rotation phase;
传感器标准件与第一信号靶轮间的距离和传感器检测件与第二信号靶轮间的距离相等；传感器标准件和传感器检测件安装在同一直线上；The distance between the sensor standard part and the first signal target wheel is equal to the distance between the sensor detection part and the second signal target wheel; the sensor standard part and the sensor detection part are installed on the same straight line;
第一信号靶轮与第二信号靶轮间的距离和标准样件固定悬臂与测试样件固定悬臂间的距离相等；The distance between the first signal target wheel and the second signal target wheel is equal to the distance between the fixed cantilever of the standard sample and the fixed cantilever of the test sample;
标准样件固定悬臂和测试样件固定悬臂的结构相同；The fixed cantilever of the standard sample and the fixed cantilever of the test sample have the same structure;
将传感器标准件及传感器检测件和示波器连接；Connect the sensor standard part and sensor detection part to the oscilloscope;
电机驱动转轴转动，第一信号靶轮和第二信号靶轮同步转动；The motor drives the rotating shaft to rotate, and the first signal target wheel and the second signal target wheel rotate synchronously;
第一信号靶轮转动相位通过示波器显示标准样件波形；第二信号靶轮转动相位通过示波器显示测试件波形；比较标准样件波形和测试件波形，从而判定凸轮轴相位传感器测样件的性能。The rotation phase of the first signal target wheel displays the waveform of the standard sample through the oscilloscope; the rotation phase of the second signal target wheel displays the waveform of the test piece through the oscilloscope; compare the waveform of the standard sample and the waveform of the test piece to determine the performance of the test piece of the camshaft phase sensor .
所述电机为变频调速电机，通过变频调速电机调整转轴的转速，第一信号靶轮和第二信号靶轮同步转动输出不同幅值信号。The motor is a variable-frequency speed-regulating motor, through which the rotational speed of the rotating shaft is adjusted, and the first signal target wheel and the second signal target wheel rotate synchronously to output signals of different amplitudes.
所述转轴上设有转轴支撑轴承，所述固定轴上设有固定轴支撑轴承。The rotating shaft is provided with a rotating shaft support bearing, and the fixed shaft is provided with a fixed shaft support bearing.
所述固定轴和所述固定轴支撑轴承通过螺钉连接。The fixed shaft and the supporting bearing of the fixed shaft are connected by screws.
所述固定轴一端端部设有装夹用手柄。One end of the fixed shaft is provided with a handle for clamping.
所述第一信号靶轮及第二信号靶轮通过定位销连接在所述转轴上。The first signal target wheel and the second signal target wheel are connected to the rotating shaft through positioning pins.
本发明的优点在于：凸轮轴相位传感器检测方法，传感器标准件及传感器检测件采集相同结构的信号靶轮在同一时间和同一位置点的信号，通过示波器显示参数进行比较，判断直观，测试效率高，且测试准确度好，只需普通技术人员即可完成测试，能够降低检测成本。The invention has the advantages of: the detection method of the camshaft phase sensor, the sensor standard part and the sensor detection part collect the signal of the signal target wheel of the same structure at the same time and the same position point, and compare the parameters displayed by the oscilloscope, the judgment is intuitive, and the test efficiency is high , and the test accuracy is good, only ordinary technicians can complete the test, which can reduce the cost of testing.
附图说明Description of drawings
下面对本发明说明书各幅附图表达的内容及图中的标记作简要说明：The content expressed in each accompanying drawing of the description of the present invention and the marks in the figure are briefly described below:
图1为本发明凸轮轴相位传感器检测方法采用的各部件的结构示意图。FIG. 1 is a schematic structural view of the components used in the camshaft phase sensor detection method of the present invention.
上述图中的标记均为：The symbols in the above figures are:
1、电机，2、联轴器，3、转轴支撑轴承，4、第二信号靶轮，5、第一信号靶轮，6、转轴，7、固定轴，8、固定轴支撑轴承，9、标准样件固定悬臂，10、测试样件固定悬臂，11、手柄，12、传感器标准件，13、传感器检测件。1. Motor, 2. Coupling, 3. Shaft supporting bearing, 4. Second signal target wheel, 5. First signal target wheel, 6. Rotating shaft, 7. Fixed shaft, 8. Fixed shaft supporting bearing, 9. Standard sample fixed cantilever, 10, test sample fixed cantilever, 11, handle, 12, sensor standard part, 13, sensor detection part.
具体实施方式Detailed ways
下面对照附图，通过对最优实施例的描述，对本发明的具体实施方式作进一步详细的说明。The specific implementation manner of the present invention will be described in further detail below by describing the best embodiment with reference to the accompanying drawings.
参阅图1，凸轮轴相位传感器检测方法，具体为：Refer to Figure 1, the detection method of the camshaft phase sensor, specifically:
在和电机1连接的转轴6上安装第一信号靶轮5及第二信号靶轮4；Install the first signal target wheel 5 and the second signal target wheel 4 on the rotating shaft 6 connected with the motor 1;
在固定轴7上安装标准样件固定悬臂9和测试样件固定悬臂10，标准样件固定悬臂9上安装测试第一信号靶轮5转动相位的传感器标准件12，测试样件固定悬臂10上安装测试第二信号靶轮4转动相位的传感器检测件13；Standard sample fixed cantilever 9 and test sample fixed cantilever 10 are installed on the fixed shaft 7, the sensor standard part 12 of testing first signal target wheel 5 rotation phase is installed on the standard sample fixed cantilever 9, and the test sample is fixed on the cantilever 10 Install and test the sensor detection part 13 of the rotational phase of the second signal target wheel 4;
传感器标准件12与第一信号靶轮5间的距离和传感器检测件13与第二信号靶轮4间的距离相等；传感器标准件12和传感器检测件13安装在同一直线上；The distance between the sensor standard part 12 and the first signal target wheel 5 is equal to the distance between the sensor detection part 13 and the second signal target wheel 4; the sensor standard part 12 and the sensor detection part 13 are installed on the same straight line;
第一信号靶轮5与第二信号靶轮4间的距离和标准样件固定悬臂9与测试样件固定悬臂10间的距离相等；The distance between the first signal target wheel 5 and the second signal target wheel 4 is equal to the distance between the standard sample fixed cantilever 9 and the test sample fixed cantilever 10;
标准样件固定悬臂9和测试样件固定悬臂10的结构相同；The fixed cantilever 9 of the standard sample and the fixed cantilever 10 of the test sample have the same structure;
将传感器标准件12及传感器检测件13和示波器连接；Connect the sensor standard part 12 and the sensor detection part 13 with the oscilloscope;
电机1驱动转轴6转动，第一信号靶轮5和第二信号靶轮4同步转动；The motor 1 drives the rotating shaft 6 to rotate, and the first signal target wheel 5 and the second signal target wheel 4 rotate synchronously;
传感器标准件12检测的第一信号靶轮5转动相位通过示波器进行显示，在示波器上显示标准样件波形；传感器检测件13检测的第二信号靶轮4转动相位在示波器进行显示，在示波器上显示测试件波形；The rotational phase of the first signal target wheel 5 detected by the sensor standard part 12 is displayed by the oscilloscope, and the standard sample waveform is displayed on the oscilloscope; the second signal target wheel 4 rotational phase detected by the sensor detection part 13 is displayed on the oscilloscope, and the Display test piece waveform;
第一信号靶轮5转动相位通过示波器显示标准样件波形；第二信号靶轮4转动相位通过示波器显示测试件波形；比较标准样件波形和测试件波形，从而判定凸轮轴相位传感器测样件的性能。The rotation phase of the first signal target wheel 5 displays the waveform of the standard sample through the oscilloscope; the rotation phase of the second signal target wheel 4 displays the waveform of the test piece through the oscilloscope; compare the waveform of the standard sample with the waveform of the test piece to determine the sample of the camshaft phase sensor performance.
传感器标准件12及传感器检测件13接在一台双踪示波器上。The sensor standard part 12 and the sensor detection part 13 are connected to a dual trace oscilloscope.
传感器标准件12为性能符合要求的标准样件，传感器检测件13为待测试产品。第一信号靶轮5和第二信号靶轮4模拟凸轮轴的转动，电机1驱动转轴6转动时，第一信号靶轮5和第二信号靶轮4同步转动，输出信号。The sensor standard part 12 is a standard sample whose performance meets the requirements, and the sensor detection part 13 is a product to be tested. The first signal target wheel 5 and the second signal target wheel 4 simulate the rotation of the camshaft. When the motor 1 drives the rotating shaft 6 to rotate, the first signal target wheel 5 and the second signal target wheel 4 rotate synchronously and output signals.
传感器标准件12及传感器检测件13分别采集相同结构的信号靶轮同一时间同一位置产生的输出信号，检测对应的信号靶轮的转动相位，然后通过示波器进行显示，传感器标准件12和第一信号靶轮5配合通过示波器输出标准样件波形；传感器检测件13和第二信号靶轮4配合通过示波器输出测试件波形；根据示波器上显示的波形符合度来判断待测试产品的性能是否符合要求；如测试件波形和标准样件波形重合或在误差范围内，则传感器检测件13性能符合要求；如测试件波形和标准样件波形不重合或不在误差范围内，则传感器检测件13性能不符合要求。The sensor standard part 12 and the sensor detection part 13 respectively collect the output signals generated by the signal target wheel of the same structure at the same time and at the same position, detect the rotation phase of the corresponding signal target wheel, and then display it through an oscilloscope. The sensor standard part 12 and the first signal The target wheel 5 cooperates to output the standard sample waveform through the oscilloscope; the sensor detection part 13 and the second signal target wheel 4 cooperate to output the test piece waveform through the oscilloscope; judge whether the performance of the product to be tested meets the requirements according to the compliance degree of the waveform displayed on the oscilloscope; If the waveform of the test piece coincides with the waveform of the standard sample or is within the error range, the performance of the sensor detection part 13 meets the requirements; if the waveform of the test piece and the standard sample waveform do not coincide or are not within the error range, then the performance of the sensor detection part 13 does not meet the requirements. Require.
第一信号靶轮5和第二信号靶轮4的结构相同；第一信号靶轮5和第二信号靶轮4端面信号感应位置相同，能够进一步保证同一时间，传感器标准件12和传感器测样件13检测相同结构的信号靶轮同一位置的信号；第一信号靶轮5和第二信号靶轮4的大小尺寸一样，为同一批产品，保证测试的准确性。The first signal target wheel 5 and the second signal target wheel 4 have the same structure; the first signal target wheel 5 and the second signal target wheel 4 end face signal sensing positions are the same, which can further ensure that the sensor standard part 12 and the sensor measure the sample at the same time. Component 13 detects the signal of the same position of the signal target wheel with the same structure; the first signal target wheel 5 and the second signal target wheel 4 have the same size and size, and are the same batch of products to ensure the accuracy of the test.
传感器标准件12与第一信号靶轮5间的距离和传感器检测件13和第二信号靶轮4间的距离相等；传感器标准件12与传感器检测件13安装在同一直线上；传感器标准件12与第一信号靶轮5间的间隙和传感器检测件13和第二信号靶轮4间的间隙相等，且间隙是可以调整的，保证传感器标准件12及传感器检测件13分别采集相同结构的信号靶轮同一时间同一位置产生的输出信号，保证测试的准确性。The distance between the sensor standard part 12 and the first signal target wheel 5 is equal to the distance between the sensor detection part 13 and the second signal target wheel 4; the sensor standard part 12 and the sensor detection part 13 are installed on the same straight line; the sensor standard part 12 It is equal to the gap between the first signal target wheel 5 and the gap between the sensor detection part 13 and the second signal target wheel 4, and the gap can be adjusted to ensure that the sensor standard part 12 and the sensor detection part 13 respectively collect signals of the same structure The output signal generated by the target wheel at the same position at the same time ensures the accuracy of the test.
第一信号靶轮5与第二信号靶轮4间的距离和标准样件固定悬臂9与测试样件固定悬臂10间的距离相等；这样只需要移动固定轴7到设定位置，即可保证标准样件固定悬臂9与第一信号靶轮5间的距离和测试样件固定悬臂10与第二信号靶轮4间的距离相等；进而方便传感器标准件12与第一信号靶轮5间的距离和传感器检测件13和第二信号靶轮4间的距离的调整，以提高测试效率和测试的准确性。The distance between the first signal target wheel 5 and the second signal target wheel 4 is equal to the distance between the fixed cantilever 9 of the standard sample and the fixed cantilever 10 of the test sample; like this, it is only necessary to move the fixed shaft 7 to the set position to ensure The distance between the standard sample fixed cantilever 9 and the first signal target wheel 5 is equal to the distance between the test sample fixed cantilever 10 and the second signal target wheel 4; The adjustment of the distance and the distance between the sensor detection part 13 and the second signal target wheel 4 improves the testing efficiency and testing accuracy.
标准样件固定悬臂9和测试样件固定悬臂10的结构相同；标准样件固定悬臂9和测试样件固定悬臂10固定连接在固定轴7上，或者标准样件固定悬臂9和测试样件固定悬臂10和固定轴7为一体式结构。标准样件固定悬臂9和测试样件固定悬臂10方便传感器标准件12及传感器检测件13的装配，同时也方便传感器标准件12与第一信号靶轮5间的距离和传感器检测件13与第二信号靶轮4间的距离的调整；以保证测试效率和测试的准确性。The standard sample fixed cantilever 9 and the test sample fixed cantilever 10 have the same structure; the standard sample fixed cantilever 9 and the test sample fixed cantilever 10 are fixedly connected on the fixed shaft 7, or the standard sample fixed cantilever 9 and the test sample are fixed The cantilever 10 and the fixed shaft 7 are of an integral structure. The fixed cantilever 9 of the standard sample and the fixed cantilever 10 of the test sample facilitate the assembly of the sensor standard part 12 and the sensor detection part 13, and also facilitate the distance between the sensor standard part 12 and the first signal target wheel 5 and the distance between the sensor detection part 13 and the first signal target wheel 5. The adjustment of the distance between the two signal target wheels 4; to ensure the test efficiency and test accuracy.
电机1为变频调速电机，电机1和转轴6通过联轴器2连接，电机1驱动转轴6转动，通过变频调速电机调整转轴6的转速，第一信号靶轮5和第二信号靶轮4同步转动输出不同幅值信号，以全面测试传感器检测件13的性能，提高检测准确性。The motor 1 is a variable frequency speed regulating motor, the motor 1 and the rotating shaft 6 are connected by a coupling 2, the motor 1 drives the rotating shaft 6 to rotate, the speed of the rotating shaft 6 is adjusted by the frequency conversion speed regulating motor, the first signal target wheel 5 and the second signal target wheel 4. Synchronously rotate and output signals of different amplitudes to comprehensively test the performance of the sensor detection part 13 and improve detection accuracy.
转轴6上设有转轴支撑轴承3，固定轴7上设有固定轴支撑轴承8。转轴支撑轴承3在转轴6转动时提高可靠支撑作用。固定轴7上的固定轴支撑轴承8，方便传感器标准件12及传感器检测件13的装配。The rotating shaft 6 is provided with a rotating shaft support bearing 3 , and the fixed shaft 7 is provided with a fixed shaft support bearing 8 . The rotating shaft support bearing 3 improves reliable support when the rotating shaft 6 rotates. The fixed shaft support bearing 8 on the fixed shaft 7 facilitates the assembly of the sensor standard part 12 and the sensor detection part 13 .
固定轴7和固定轴支撑轴承8通过螺钉连接，方便传感器标准件12及传感器检测件13的装配；需要装配传感器标准件12和/或传感器检测件13时，拆下螺钉，转动固定轴7，将标准样件固定悬臂9和测试样件固定悬臂10放倒后，在对应的固定悬臂上安装对应的标准件及测试件后；再将固定轴7转到设定位置，装上螺钉即可。传感器标准件12装配好后可以一直使用，一个测试件测试完成后，先拆下来，再装另一个测试件，依次完成不同测试件的测试。The fixed shaft 7 and the fixed shaft support bearing 8 are connected by screws to facilitate the assembly of the sensor standard part 12 and the sensor detection part 13; when the sensor standard part 12 and/or the sensor detection part 13 need to be assembled, remove the screw, rotate the fixed shaft 7, After putting down the standard sample fixed cantilever 9 and the test sample fixed cantilever 10, install the corresponding standard parts and test pieces on the corresponding fixed cantilever; then turn the fixed shaft 7 to the set position and install the screws. . After the sensor standard part 12 is assembled, it can be used all the time. After the test of one test part is completed, it is disassembled first, and then another test part is installed to complete the tests of different test parts in turn.
固定轴7一端端部设有装夹用手柄11；手柄11能方便快速的转动固定轴7，进一步的提高检测便利性和检测效率。One end of the fixed shaft 7 is provided with a clamping handle 11; the handle 11 can rotate the fixed shaft 7 conveniently and quickly, further improving the convenience and efficiency of detection.
第一信号靶轮5及第二信号靶轮4通过定位销连接在转轴6上；第一信号靶轮5及第二信号靶轮4和转轴6固定连接，转轴6在转动时，第一信号靶轮5及第二信号靶轮4同步转动。The first signal target wheel 5 and the second signal target wheel 4 are connected on the rotating shaft 6 by positioning pins; the first signal target wheel 5 and the second signal target wheel 4 are fixedly connected to the rotating shaft 6, and when the rotating shaft 6 rotates, the first signal The target wheel 5 and the second signal target wheel 4 rotate synchronously.
凸轮轴相位传感器检测方法，传感器标准件12及传感器检测件13采集相同结构的信号靶轮在同一时间和同一位置点的信号，通过示波器显示参数进行比较，判断直观，测试效率高，且测试准确度好，只需普通技术人员即可完成测试，能够降低检测成本。Camshaft phase sensor detection method, the sensor standard part 12 and the sensor detection part 13 collect the signals of the signal target wheel of the same structure at the same time and the same position, and compare the parameters displayed by the oscilloscope, the judgment is intuitive, the test efficiency is high, and the test is accurate The accuracy is good, and only ordinary technicians can complete the test, which can reduce the cost of testing.
显然本发明具体实现并不受上述方式的限制，只要采用了本发明的方法构思和技术方案进行的各种非实质性的改进，均在本发明的保护范围之内。Apparently, the specific implementation of the present invention is not limited by the above methods, as long as various insubstantial improvements are made by adopting the method concept and technical solutions of the present invention, they all fall within the protection scope of the present invention.
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| CN110230977A (en) * | 2018-06-29 | 2019-09-13 | 蔚来汽车有限公司 | Rotation becomes dynamic Error Analysis device and method, controller and the storage medium of equipment |
| CN110319869A (en) * | 2019-08-09 | 2019-10-11 | 中车株洲电机有限公司 | A kind of reliability test platform of traction motor bearings sensor |
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| CN105043432B (en) | 2017-06-20 |
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