CN106249003A - A kind of detection head assembly based on vibrating motor resistance detection - Google Patents
A kind of detection head assembly based on vibrating motor resistance detection Download PDFInfo
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- G—PHYSICS
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
本发明涉及检测装置技术领域，公开了一种基于振动马达电阻检测的检测头组件，包括基板、绝缘柱，所述绝缘柱的上端与基板固定连接，所述绝缘柱内设有两个与轴线平行的滑孔，所述的滑孔内设有检测端子，检测端子的下端与滑孔之间设有复位弹簧，检测端子的头部呈球形，所述基板的上侧设有支撑套，所述支撑套的上侧设有电缸，所述滑孔内位于检测端子的上端设有顶杆，两根顶杆的上端之间通过连接板连接，所述电缸的轴端压在连接板上。本发明检测振动马达电阻时，每次检测时检测端子的角度、压力一致，检测效率高、检测精度高。
The invention relates to the technical field of detection devices, and discloses a detection head assembly based on vibration motor resistance detection, which includes a base plate and an insulating column. The upper end of the insulating column is fixedly connected to the base plate. Parallel sliding holes, a detection terminal is provided in the sliding hole, a return spring is provided between the lower end of the detection terminal and the sliding hole, the head of the detection terminal is spherical, and a support sleeve is provided on the upper side of the substrate. An electric cylinder is provided on the upper side of the support sleeve, and a push rod is arranged at the upper end of the detection terminal in the sliding hole, and the upper ends of the two push rods are connected through a connecting plate, and the shaft end of the electric cylinder is pressed against the connecting plate superior. When the invention detects the resistance of the vibration motor, the angle and pressure of the detection terminal are consistent in each detection, the detection efficiency is high, and the detection accuracy is high.
Description
技术领域technical field
本发明涉及检测工装技术领域，尤其涉及一种基于振动马达电阻检测的检测头组件。The invention relates to the technical field of detection tooling, in particular to a detection head assembly based on vibration motor resistance detection.
背景技术Background technique
振动马达在手机内应用越来越普及，振动马达通常包括马达本体、位于马达本体外侧的PCB接线端子，马达本体内部有线圈和磁钢，线圈产生交变的电场，从而使得磁钢往复振动。现在一些高端智能手机中对振动马达的要求很高，振动马达出厂前需要经过许多检测，其中内阻检测是其中一项比较重要的检测，然而目前通常都是人工检测，即将检测探头上的两根探针分别与PCB接线端子上的两个电极接触，然后检测振动马达的内阻，然而检测探头的探与电极的接触角度、接触压力不同导致接触电阻存在差异，这样在每次检测过程中外界的电阻都不同，从而导致检测精度降低，无法负荷高质量要求；同时手动检测效率地，无法满足生产需求。Vibration motors are becoming more and more popular in mobile phones. Vibration motors usually include a motor body and PCB terminals located outside the motor body. There are coils and magnets inside the motor body. The coils generate an alternating electric field, which makes the magnets vibrate back and forth. Nowadays, some high-end smartphones have high requirements for vibration motors. Before leaving the factory, vibration motors need to undergo many tests. Among them, internal resistance testing is one of the more important tests. However, at present, it is usually manual testing. The root probes are respectively in contact with the two electrodes on the PCB terminal, and then detect the internal resistance of the vibration motor. However, the contact angle and contact pressure between the detection probe and the electrodes are different, resulting in differences in contact resistance. In this way, in each detection process The external resistances are all different, which reduces the detection accuracy and cannot meet the high-quality requirements; at the same time, manual detection is inefficient and cannot meet production needs.
发明内容Contents of the invention
本发明为了解决现有技术振动马达电阻检测效率低、检测精度低的不足，提供了一种基于振动马达电阻检测的检测头组件，该检测头组件直接与自动化设备连接，能够快速、精确地检测振动马达的电阻，提高振动马达电阻检测效率和检测精度。In order to solve the deficiencies of low detection efficiency and low detection accuracy of vibration motor resistance in the prior art, the present invention provides a detection head assembly based on vibration motor resistance detection. The detection head assembly is directly connected with automation equipment and can detect The resistance of the vibration motor improves the detection efficiency and detection accuracy of the vibration motor resistance.
为了实现上述目的，本发明采用如下技术方案：In order to achieve the above object, the present invention adopts the following technical solutions:
一种基于振动马达电阻检测的检测头组件，包括基板、绝缘柱，所述绝缘柱的上端与基板固定连接，所述绝缘柱内设有两个与轴线平行的滑孔，所述的滑孔内设有检测端子，检测端子的下端与滑孔之间设有复位弹簧，检测端子的头部呈球形，所述基板的上侧设有支撑套，所述支撑套的上侧设有电缸，所述滑孔内位于检测端子的上端设有顶杆，两根顶杆的上端之间通过连接板连接，所述电缸的轴端压在连接板上。振动马达通过工作台定位，电缸推动顶杆移动，顶杆将检测端子的头部顶出，两根检测端子的头部对应压在振动马达的两个电极上，然后就能检测振动马达的电阻；由于检测端子每次与振动马达的电极接触的角度、压力都相同，从而能够保持接触电阻一致，提高检测精度和检测效率。A detection head assembly based on vibration motor resistance detection, including a substrate and an insulating column, the upper end of the insulating column is fixedly connected to the substrate, and two sliding holes parallel to the axis are provided in the insulating column, and the sliding holes There is a detection terminal inside, a return spring is provided between the lower end of the detection terminal and the sliding hole, the head of the detection terminal is spherical, the upper side of the base plate is provided with a support sleeve, and the upper side of the support sleeve is provided with an electric cylinder , the upper end of the detection terminal in the sliding hole is provided with a push rod, and the upper ends of the two push rods are connected through a connecting plate, and the shaft end of the electric cylinder is pressed on the connecting plate. The vibration motor is positioned through the workbench, the electric cylinder pushes the ejector rod to move, the ejector rod pushes out the head of the detection terminal, and the heads of the two detection terminals are correspondingly pressed on the two electrodes of the vibration motor, and then the vibration motor can be detected Resistance: Since the angle and pressure of the detection terminal contacting the electrodes of the vibration motor are the same every time, the contact resistance can be kept consistent, and the detection accuracy and detection efficiency can be improved.
作为优选，所述滑孔的侧面设有长槽孔，所述检测端子的上端侧面设有伸入长槽孔内的接线端子，接线端子的外端连接有导线。Preferably, a long slot is provided on the side of the sliding hole, a connection terminal extending into the long slot is provided on the side of the upper end of the detection terminal, and a wire is connected to the outer end of the connection terminal.
作为优选，所述检测端子的上端与顶杆的下端之间设有压簧，所述的顶杆为绝缘杆。顶杆伸出使得压簧压缩，压簧的弹力将检测端子顶出，一方面确保检测端子与电极接触稳定，另一方面防止顶杆过度挤压检测端子，防止检测端子压坏电极。Preferably, a compression spring is provided between the upper end of the detection terminal and the lower end of the push rod, and the push rod is an insulating rod. The push rod stretches out to compress the compression spring, and the elastic force of the compression spring pushes the detection terminal out. On the one hand, it ensures the stable contact between the detection terminal and the electrode, and on the other hand, it prevents the push rod from excessively squeezing the detection terminal and prevents the detection terminal from crushing the electrode.
作为优选，所述电缸的轴端设有压板，所述压板的下侧面上设有压力传感器。电缸的轴端伸出，推动连接板，连接板带动顶杆移动，压簧的压缩，压力传感器的压力值不断增加，检测端子头部与电极接触时，顶杆继续移动，压簧进一步被压缩，当压力传感器的压力值达到设定值时，然后检测振动马达的内阻，检测精度更高。Preferably, a pressure plate is provided at the shaft end of the electric cylinder, and a pressure sensor is provided on the lower side of the pressure plate. The shaft end of the electric cylinder stretches out, pushes the connecting plate, the connecting plate drives the ejector rod to move, the pressure spring is compressed, the pressure value of the pressure sensor increases continuously, when the detection terminal head contacts the electrode, the ejector rod continues to move, and the compression spring is further pressed Compression, when the pressure value of the pressure sensor reaches the set value, then detect the internal resistance of the vibration motor, and the detection accuracy is higher.
作为优选，所述的基板上设有两根垂直于基板的导柱，所述的基板与导柱之间滑动连接，所述导柱的下端设有U形连接座，所述导柱的上端之间设有支撑板，所述的支撑板上设有气缸，所述气缸的轴端通过连接支架与基板连接。有的振动马达的PCB接线端子是柔性的，检测时气缸动作，使得绝缘柱的下端压在PCB上，使得PCB平整，然后电缸动作使得检测端子与电极接触，检测精度高。As a preference, the base plate is provided with two guide posts perpendicular to the base plate, the base plate and the guide posts are slidably connected, the lower end of the guide post is provided with a U-shaped connection seat, and the upper end of the guide post A support plate is provided between them, and a cylinder is provided on the support plate, and the shaft end of the cylinder is connected to the base plate through a connecting bracket. The PCB terminals of some vibration motors are flexible. During detection, the cylinder moves to make the lower end of the insulating column press on the PCB, making the PCB flat, and then the electric cylinder moves to make the detection terminals contact with the electrodes, and the detection accuracy is high.
因此，本发明检测振动马达电阻时，每次检测时检测端子的角度、压力一致，检测效率高、检测精度高。Therefore, when the present invention detects the resistance of the vibration motor, the angle and pressure of the detection terminals are consistent each time the detection is performed, and the detection efficiency is high and the detection accuracy is high.
附图说明Description of drawings
图1为本发明的一种结构示意图。Fig. 1 is a kind of structure diagram of the present invention.
图2为本发明的剖视图。Fig. 2 is a cross-sectional view of the present invention.
图3为图2中A处局部放大示意图Figure 3 is a partially enlarged schematic diagram of A in Figure 2
图中：U形连接座1、导柱2、基板3、绝缘柱4、检测端子5、复位弹簧6、支撑套7、电缸8、顶杆9、压簧10、连接板11、压板12、压力传感器13、支撑板14、气缸15、连接支架16、滑孔40、长槽孔41、接线端子50、导线51。In the figure: U-shaped connecting seat 1, guide post 2, base plate 3, insulating post 4, detection terminal 5, return spring 6, support sleeve 7, electric cylinder 8, ejector rod 9, compression spring 10, connection plate 11, pressure plate 12 , Pressure sensor 13, support plate 14, cylinder 15, connecting bracket 16, slide hole 40, slotted hole 41, connection terminal 50, wire 51.
具体实施方式detailed description
下面结合附图和具体实施方式对本发明作进一步描述：The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:
如图1和图2所示的一种基于振动马达电阻检测的检测头组件，包括U形连接座1，U形连接座上设有垂直的导柱2，导柱之间设有基板3，基板与导柱之间滑动连接，基板的下侧设有绝缘柱4，绝缘柱的上端与基板固定连接，绝缘柱4内设有两个与轴线平行的滑孔40，滑孔内设有检测端子5，检测端子的下端与滑孔之间设有复位弹簧6，检测端子的头部呈球形，滑孔的侧面设有长槽孔41，检测端子5的上端侧面设有伸入长槽孔内的接线端子50，接线端子的外端连接有导线51；基板的上侧设有支撑套7，支撑套的上侧设有电缸8，滑孔内位于检测端子的上端设有顶杆9，检测端子的上端与顶杆的下端之间设有压簧10，顶杆为绝缘杆，两根顶杆的上端之间通过连接板11连接，电缸的轴端设有压板12，压板的下侧面上设有压力传感器13，连接板的上侧面与压力传感器接触；导柱的上端之间设有支撑板14，支撑板上设有气缸15，气缸的轴端通过连接支架16与基板连接。As shown in Figures 1 and 2, a detection head assembly based on vibration motor resistance detection includes a U-shaped connection seat 1, and a vertical guide post 2 is provided on the U-shaped connection seat, and a substrate 3 is provided between the guide posts. Sliding connection between the base plate and the guide post, the underside of the base plate is provided with an insulating post 4, the upper end of the insulating post is fixedly connected with the base plate, and the insulating post 4 is provided with two sliding holes 40 parallel to the axis, and a detection device is provided in the sliding hole. Terminal 5, a return spring 6 is provided between the lower end of the detection terminal and the sliding hole, the head of the detection terminal is spherical, the side of the sliding hole is provided with a long slot 41, and the side of the upper end of the detection terminal 5 is provided with a long slot extending into it The connecting terminal 50 inside, the outer end of the connecting terminal is connected with a wire 51; the upper side of the substrate is provided with a support sleeve 7, the upper side of the support sleeve is provided with an electric cylinder 8, and the upper end of the detection terminal is provided with a push rod 9 in the sliding hole. , a compression spring 10 is provided between the upper end of the detection terminal and the lower end of the push rod, the push rod is an insulating rod, the upper ends of the two push rods are connected by a connecting plate 11, and the shaft end of the electric cylinder is provided with a pressure plate 12, the pressure plate A pressure sensor 13 is provided on the lower side, and the upper side of the connection plate is in contact with the pressure sensor; a support plate 14 is provided between the upper ends of the guide posts, and a cylinder 15 is provided on the support plate, and the shaft end of the cylinder is connected to the base plate through a connecting bracket 16 .
结合附图，本发明的使用方法如下: 振动马达通过工作台定位，气缸带动基板向下移动，绝缘柱的下端压在PCB板上，滑孔的位置与电极的位置对应，电缸推动顶杆移动，顶杆将检测端子的头部顶出，两根检测端子的头部对应压在振动马达的两个电极上，电缸的轴端继续伸出，直到压力传感器检测到的压力值等于设定值时，然后检测振动马达的电阻；由于检测端子每次与振动马达的电极接触的角度、压力都相同，从而能够保持接触电阻一致，即外部电路阻值一致，每次检测的条件一致，从而提高检测精度。In conjunction with the accompanying drawings, the method of use of the present invention is as follows: the vibration motor is positioned through the workbench, the cylinder drives the substrate to move downward, the lower end of the insulating column is pressed on the PCB, the position of the sliding hole corresponds to the position of the electrode, and the electric cylinder pushes the ejector rod Move, the push rod pushes out the heads of the detection terminals, and the heads of the two detection terminals are pressed against the two electrodes of the vibration motor, and the shaft end of the electric cylinder continues to protrude until the pressure value detected by the pressure sensor is equal to the set value. When the value is fixed, then detect the resistance of the vibration motor; since the angle and pressure of the detection terminal and the electrode of the vibration motor are the same every time, the contact resistance can be kept consistent, that is, the resistance value of the external circuit is consistent, and the conditions of each detection are consistent. Thereby improving the detection accuracy.
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| CN106249003B (en) | 2019-05-21 |
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