CN106940412B - System for quick capacitance polarity measurement - Google Patents
System for quick capacitance polarity measurement Download PDFInfo
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- CN106940412B CN106940412B CN201710265819.4A CN201710265819A CN106940412B CN 106940412 B CN106940412 B CN 106940412B CN 201710265819 A CN201710265819 A CN 201710265819A CN 106940412 B CN106940412 B CN 106940412B
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- capacitor
- positioning
- polarity
- feeder
- positioning clamp
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/64—Testing of capacitors
Abstract
The invention discloses a rapid capacitance polarity measurement system, which comprises a capacitance positioning measurement mechanism, a polarity analysis device and a base, wherein the capacitance positioning measurement mechanism is arranged at the upper part of the base, and the capacitance positioning measurement mechanism is arranged at the side surface of the polarity analysis device; the capacitance positioning measurement mechanism comprises a feeder, a positioning clamp and a pushing mechanism; the output end of the feeder is attached to the rear end of the positioning clamp, and the pushing mechanism is attached to the left end of the positioning clamp; the output end of the feeder and the positioning clamp are positioned on the same horizontal plane; the pushing mechanism is provided with a power mechanism and a contact block; the bottom of the contact block is in sliding connection with the base; the power mechanism is fixedly connected with the left side of the contact block; the probe is electrically connected with the polarity analysis device; the invention has simple structure and convenient operation, and can rapidly measure the polarity of the capacitor in a short time, thereby making the sorting work of the capacitor for the subsequent application.
Description
Technical Field
The invention relates to the field of capacitance polarity measurement, in particular to a system for rapidly measuring capacitance polarity.
Background
In the PCB production and assembly process, capacitors are required to be inserted on the PCB, the traditional mode is to adopt manual plug-in components, the efficiency of the manual plug-in components is extremely low, the quality stability of the plug-in components cannot be guaranteed, and the capacitors are inserted by adopting a capacitor automatic plug-in machine along with the improvement of technology, but the polarities of the capacitors are required to be determined so as to ensure the correctness of the capacitors during plug-in components, otherwise, the capacitors are easy to break down; at present, most of measuring capacitor polarity in the market adopts a resistance gear of a universal meter to measure, but the measurement by using the universal meter needs a certain time, cannot be synchronous with high-speed special-shaped element automatic plug-in equipment, has low efficiency, and has no function of rapidly measuring the capacitor polarity, so that the prior art has defects and needs improvement.
Disclosure of Invention
The present invention provides a system for rapid capacitive polarity measurement that solves the above-mentioned problems.
In order to solve the problems, the technical scheme provided by the invention is as follows:
the system comprises a capacitance positioning measurement mechanism, a polarity analysis device and a base, wherein the capacitance positioning measurement mechanism is arranged at the upper part of the base, and the capacitance positioning measurement mechanism is arranged on the side surface of the polarity analysis device; the capacitance positioning measurement mechanism comprises a feeder, a positioning clamp and a pushing mechanism; the output end of the feeder is attached to the rear end of the positioning clamp, and the pushing mechanism is attached to the left end of the positioning clamp; the output end of the feeder and the positioning clamp are positioned on the same horizontal plane; the positioning clamp is provided with a stop block, a first connecting piece and a supporting seat; the supporting seat is arranged at the upper part of the base, a strip-shaped groove is formed at the joint of the positioning clamp and the output end of the feeder, and the groove extends to the stop block; the left side of the supporting seat is provided with a group of round holes which are communicated with the grooves; one end of the first connecting piece is arranged in the groove and is in contact with the capacitor pin, and the other end of the first connecting piece passes through the round hole and is attached to one end of the probe of the pushing mechanism;
the pushing mechanism is provided with a power mechanism and a contact block; the bottom of the contact block is in sliding connection with the base; the power mechanism is fixedly connected with the left side of the contact block; the upper right side of the contact block is provided with a group of detection holes, the detection holes and the round holes are on the same central axis, the probes are nested in the detection holes, and the other ends of the probes are electrically connected with the polarity analysis device.
The positioning clamp is an automatic positioning clamp or a manual positioning clamp, and the capacitor is fixed.
Further, the feeder may be a tape feeder that can deliver a capacitor over the positioning fixture.
The outer wall of the first connecting piece is provided with an insulating sheath, and the inside of the first connecting piece can be made of conductive materials such as copper bars, silver bars, carbon bars, stainless steel bars and the like.
The outer wall of the probe is provided with an insulating sheath, and the inside of the probe can be made of conductive materials such as copper bars, silver bars, carbon bars, stainless steel bars and the like.
Further, a sensor is arranged on the stop block, and when the capacitor moves to the upper part of the positioning clamp, the positioning clamp is enabled to act, so that the capacitor is fixed.
Further, the power mechanism can be a hydraulic station or an air pump, and the contact block can be moved left and right, so that the probe is communicated with the capacitor pin.
Further, the polarity analysis device can be a direct current voltage reduction module or a device for simulating a resistance gear of a universal meter to analyze the polarity of the capacitor.
Compared with the prior art, the capacitive sorting device has the beneficial effects that by adopting the scheme, the capacitive sorting device is simple in structure and convenient to operate, and the polarity of the capacitor can be rapidly measured in a short time, so that the capacitive sorting work is performed for subsequent application.
Drawings
For a clearer description of an embodiment or of a technical solution in the prior art, the drawings used in the description of the embodiment or of the prior art will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of the present invention.
The legend above shows: 1. a feeder 2, a capacitor 3, a positioning clamp 4, a first connecting piece 5, a pushing mechanism 6, a polarity analysis device 7 and a probe.
Detailed Description
In order that the invention may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "fixed," "integrally formed," "left," "right," and the like are used herein for descriptive purposes only and in the drawings like elements are identified by the same reference numerals.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1, a system for rapidly measuring the polarity of a capacitor comprises a capacitor positioning measuring mechanism, a polarity analyzing device 6 and a base, wherein the capacitor positioning measuring mechanism is arranged at the upper part of the base, and the capacitor positioning measuring mechanism is arranged at the rear side surface of the polarity analyzing device; the capacitance positioning measurement mechanism comprises a feeder 1, a positioning clamp 3 and a pushing mechanism 5; the output end of the feeder 1 is attached to the rear end of the positioning clamp 3, and the pushing mechanism 5 is attached to the left end of the positioning clamp 3; the output end of the feeder 1 and the positioning clamp 3 are positioned on the same horizontal plane; the positioning clamp 3 is provided with a stop block, a first connecting piece 4 and a supporting seat; the supporting seat is arranged on the upper part of the base, a strip-shaped groove is formed in the joint of the positioning clamp 3 and the output end of the feeder 1, and the groove extends to the stop block; the left side of the supporting seat is provided with a group of round holes which are communicated with the grooves; one end of the first connecting piece 4 is arranged in the groove and is in contact with the pin of the capacitor 2, and the other end of the first connecting piece 4 passes through the round hole to be attached to one end of the probe 7 of the pushing mechanism 5;
the pushing mechanism 5 is provided with a power mechanism and a contact block; the bottom of the contact block is in sliding connection with the base; the power mechanism is fixedly connected with the left side of the contact block; the upper right side of the contact block is provided with a group of detection holes, the detection holes and the round holes are on the same central axis, the probes 7 are nested in the detection holes, and the other ends of the probes 7 are electrically connected with the polarity analysis device 6.
The feeder 1 may be a tape feeder and may feed the capacitor 2 onto the positioning jig 3.
Example 1: the positioning clamp 3 is an automatic positioning clamp or a manual positioning clamp, the automatic positioning clamp is divided into a pneumatic positioning clamp or an oil-driven positioning clamp, a position sensor is arranged at a stop block on the upper part of the positioning clamp, when the capacitor 2 is transmitted to the positioning clamp 3, the position sensor gives a solenoid valve signal on a pneumatic switch or a hydraulic station, the solenoid valve acts, and then the positioning of the capacitor 2 is completed.
The outer wall of the first connecting piece 4 is provided with an insulating sheath, and the inside of the first connecting piece can be made of conductive materials such as copper bars, silver bars, carbon bars, stainless steel bars and the like.
The outer wall of the probe 7 is provided with an insulating sheath, and the inside of the probe can be made of conductive materials such as copper bars, silver bars, carbon bars, stainless steel bars and the like.
Further, the power mechanism may be a hydraulic station or an air pump, and the contact block may be controlled to move left and right, so that the probe 7 is connected to the pin of the capacitor 2.
Example 2: the polarity analysis device 9 can be a device for simulating a resistance gear of a universal meter or a direct current voltage reduction module and is electrically connected with the probe 5;
the positive resistance value and the reverse resistance value of the two ends of the capacitor are measured through a resistor of the analog multimeter to be distinguished, when the reading of the multimeter is stable, the measured resistance values are compared twice, and in one measurement with larger resistance value, the black pointer is connected with the positive electrode of the capacitor, and the red pointer is connected with the negative electrode of the capacitor;
example 3: the leakage current of the capacitor is measured by using a direct current voltage reduction module which is an order of magnitude smaller than the rated voltage of the capacitor, the leakage current is judged by measuring the positive leakage current value and the negative leakage current value of the capacitor, when the reading of the direct current voltage reduction module is stable, the magnitudes of the two measured leakage currents are compared, and in one measurement with smaller leakage current, the positive electrode of the direct current voltage module is connected with the positive electrode of the capacitor, and the negative electrode of the direct current voltage module is connected with the negative electrode of the capacitor.
The invention has the working principle that a capacitor is arranged on a feeder, a capacitor pin faces downwards, the feeder sends the capacitor into a positioning clamp, the positioning clamp finishes positioning the capacitor, one end of a probe is driven by a pushing mechanism to contact a first connecting piece and communicate with a capacitor lead angle, the other end of the probe is connected with two gauge pins of an analog multimeter or is connected with an outlet end of a direct current voltage reduction module which is an order of magnitude smaller than the rated voltage of the capacitor for measurement, when measured data are stable, the sizes of the measured data are compared for two times, and in one measurement with a larger resistance value or smaller leakage current, the black gauge pin is connected with the positive electrode of the capacitor, and the red gauge pin is connected with the negative electrode of the capacitor.
Compared with the prior art, the capacitive sorting device has the beneficial effects that by adopting the scheme, the capacitive sorting device is simple in structure and convenient to operate, and the polarity of the capacitor can be rapidly measured in a short time, so that the capacitive sorting work is performed for subsequent application.
The above-described features are continuously combined with each other to form various embodiments not listed above, and are regarded as the scope of the present invention described in the specification; and, it will be apparent to those skilled in the art from this disclosure that modifications and variations can be made without departing from the scope of the invention defined in the appended claims.
Claims (4)
1. The system for rapidly measuring the polarity of the capacitor is characterized by comprising a capacitor positioning measuring mechanism, a polarity analyzing device and a base, wherein the capacitor positioning measuring mechanism is arranged at the upper part of the base, and the capacitor positioning measuring mechanism is arranged at the side surface of the polarity analyzing device; the capacitance positioning measurement mechanism comprises a feeder, a positioning clamp and a pushing mechanism; the output end of the feeder is attached to the rear end of the positioning clamp, and the pushing mechanism is attached to the left end of the positioning clamp; the output end of the feeder and the positioning clamp are positioned on the same horizontal plane;
the positioning clamp is provided with a stop block, a first connecting piece and a supporting seat; the supporting seat is arranged at the upper part of the base, a strip-shaped groove is formed at the joint of the positioning clamp and the output end of the feeder, and the groove extends to the stop block; the left side of the supporting seat is provided with a group of round holes which are communicated with the grooves; one end of the first connecting piece is arranged in the groove and is in contact with the capacitor pin, and the other end of the first connecting piece passes through the round hole and is attached to one end of the probe of the pushing mechanism;
the pushing mechanism is provided with a power mechanism and a contact block; the bottom of the contact block is in sliding connection with the base; the power mechanism is fixedly connected with the left side of the contact block; the upper part of the right side of the contact block is provided with two detection holes, the detection holes and the round holes are positioned on the same central axis, the probes are nested in the detection holes, and the other ends of the probes are electrically connected with the polarity analysis device;
the outer wall of the first connecting piece is provided with an insulating sheath, and the inside of the insulating sheath is made of conductive materials;
the outer wall of the probe is provided with an insulating sheath, and the inside of the probe is made of conductive materials;
the stop block is provided with a sensor, and when the capacitor moves to the upper part of the positioning clamp, the positioning clamp is enabled to act, and the capacitor is fixed;
the polarity analysis device is a direct current voltage reduction module or a device for simulating a resistance gear of the universal meter to analyze the polarity of the capacitor.
2. A system for rapid capacitive polarity measurement according to claim 1 wherein the feeder is a tape feeder that delivers capacitance onto the positioning fixture.
3. The system for rapid capacitive polarity measurement according to claim 1, wherein the positioning fixture is an automatic positioning fixture or a manual positioning fixture, and positioning of the capacitor is accomplished.
4. A system for rapid capacitive polarity measurement according to claim 1 wherein the power mechanism is a hydraulic station or an air pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710265819.4A CN106940412B (en) | 2017-04-21 | 2017-04-21 | System for quick capacitance polarity measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710265819.4A CN106940412B (en) | 2017-04-21 | 2017-04-21 | System for quick capacitance polarity measurement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106940412A CN106940412A (en) | 2017-07-11 |
| CN106940412B true CN106940412B (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710265819.4A Active CN106940412B (en) | 2017-04-21 | 2017-04-21 | System for quick capacitance polarity measurement |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201207338Y (en) * | 2008-05-16 | 2009-03-11 | 罗圣林 | Automatic machining device for capacitor |
| CN202600086U (en) * | 2012-05-24 | 2012-12-12 | 深圳中元电子有限公司 | Pole reverse detection device of electrolytic capacitor sleeve device |
| CN203616423U (en) * | 2013-12-11 | 2014-05-28 | 苏州路之遥科技股份有限公司 | ICT test tool capable of detecting polarity of polar capacitor |
| US9778314B2 (en) * | 2014-08-25 | 2017-10-03 | Teradyne, Inc. | Capacitive opens testing of low profile components |
| CN104215890B (en) * | 2014-09-28 | 2017-03-08 | 江苏正通电子股份有限公司 | A kind of automobile filter capacitor automatic test machine |
| CN205229213U (en) * | 2015-12-21 | 2016-05-11 | 江西佳维诚电子科技有限公司 | Condenser polarity detection protection device |
| CN206876792U (en) * | 2017-04-21 | 2018-01-12 | 深圳市宝瑞达科技有限公司 | A kind of system of flying capacitance polarity measurement |
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- 2017-04-21 CN CN201710265819.4A patent/CN106940412B/en active Active
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