CN210270125U - Leakage detection device of aluminum electrolytic capacitor - Google Patents
Leakage detection device of aluminum electrolytic capacitor Download PDFInfo
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- CN210270125U CN210270125U CN201920814001.8U CN201920814001U CN210270125U CN 210270125 U CN210270125 U CN 210270125U CN 201920814001 U CN201920814001 U CN 201920814001U CN 210270125 U CN210270125 U CN 210270125U
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- electrolytic capacitor
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Abstract
The utility model discloses a leakage detection device of an aluminum electrolytic capacitor, which comprises a detection table, wherein a base is fixedly arranged on the detection table, and at least two groups of detection mechanisms are arranged on the base at intervals; the detection mechanism is including setting up two through-holes on the base, equal fixed mounting has two metal shrapnel in the through-hole, two the metal shrapnel upper end is crooked to the direction of keeping away from each other respectively, metal shrapnel lower extreme fixedly connected with wire, be provided with the guiding hole that allows the wire to wear out in the base, the wire is worn out to the base outside through the guiding hole, two wires of detection mechanism are connected the setting with the two poles of the earth of universal meter respectively. This device can be better to the condenser electric leakage detect, go on in batches, efficient.
Description
Technical Field
The utility model relates to a condenser technical field, concretely relates to aluminum electrolytic capacitor's electric leakage detection device.
Background
The aluminum electrolytic capacitor is made up by using aluminium cylinder as negative electrode, in which the liquid electrolyte is filled, and inserting a bent aluminium strip as positive electrode. While the aluminum electrolytic capacitor is steadily increasing in the field of traditional consumer electronics, its application field is expanded in many emerging fields such as energy-saving lamps, frequency converters, new energy sources and the like along with structure transformation and technical progress.
The produced capacitance meter needs to be subjected to leakage detection. The existing detection mode is that a multimeter is manually taken to sequentially detect a capacitance meter. Thus, the detection efficiency is low and the time consumption is long. At present, the capacitor is not detected in batches, and the detection equipment is high in automation degree.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide an electric leakage detection device of an aluminum electrolytic capacitor, which can carry out batch detection, improve the detection efficiency and save the detection time.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the leakage detection device of the aluminum electrolytic capacitor comprises a detection table, wherein a base is fixedly arranged on the detection table, and at least two groups of detection mechanisms are arranged on the base at intervals; the detection mechanism is including setting up two through-holes on the base, equal fixed mounting has two metal shrapnel in the through-hole, two the metal shrapnel upper end is crooked to the direction of keeping away from each other respectively, metal shrapnel lower extreme fixedly connected with wire, be provided with the guiding hole that allows the wire to wear out in the base, the wire is worn out to the base outside through the guiding hole, two wires of detection mechanism are connected the setting with the two poles of the earth of universal meter respectively.
In the technical scheme, when the electric leakage of the capacitor is detected, two contact pins of the capacitor are respectively inserted between two elastic sheets in the through hole, the contact pins are clamped and positioned by the elastic sheets, the elastic sheets are copper sheets, so that the capacitor can be conductive and has certain elasticity, and the contact pins can be clamped. The upper end of the elastic sheet is bent, so that the inserting range of the contact pin can be enlarged, and the inserting efficiency and accuracy of the contact pin are improved. After the contact pin of condenser inserts between the shell fragment, with universal meter modulation resistance ohm shelves, the universal meter is digital universal meter. During measurement, for a capacitor with more than one thousand microfarads, the capacitor can be quickly charged by using the gear R multiplied by 10 omega, the capacity of the capacitor is preliminarily estimated, then the gear R multiplied by 1k omega is changed to continue measurement for a while, at the moment, the pointer does not return, but stops at or is very close to the infinity, otherwise, the phenomenon of electric leakage exists. The leakage characteristic of a timing or oscillation capacitor below dozens of microfarads is very high, the capacitor cannot be used as long as the capacitor leaks slightly, in this case, the R × 1k Ω gear is charged, then the R × 10k Ω gear is used for continuous measurement, and the pointer is stopped at infinity and is not returned. Or the lead is respectively communicated with the anode and the cathode of the universal meter, and then the lead is reversely connected, the universal meter is used for measuring the forward and reverse resistances of the capacitor, if the positive and reverse resistances can not return to the zero position, the leakage of the capacitor is indicated, and the capacitor is a waste part.
Furthermore, the detection mechanism further comprises a limiting mechanism, wherein the limiting mechanism comprises two limiting plates fixedly mounted on the base, and the limiting plates are arranged on two opposite sides of the detection mechanism.
Therefore, the limiting plate can be used for limiting the capacitor, so that deflection is avoided, and the contact reliability is ensured.
Furthermore, the limiting plate is concave inwards on the surface corresponding to the detection mechanism to form a limiting arc surface.
Therefore, materials can be saved better, and the limiting is better carried out.
Further, the detection mechanism is provided with four groups.
Thus, four capacitors can be simultaneously installed and then sequentially tested, improving efficiency.
Further, still include ejection mechanism, the base upper surface indent forms the bar groove, bar inslot fixed mounting has electric putter, electric putter is connected with the power electricity, electric putter upper end fixed mounting has the roof, the roof level sets up, the roof is just to setting up between two through-holes of detection mechanism.
Thus, after the detection is finished, if the capacitor is pulled out manually, the pins of the capacitor are inclined, and the use is affected. Be provided with electric putter forward circular telegram, electric putter's flexible end upwards stretches out, drives roof upward movement, and the roof width is less than the distance between two contact pins of condenser, then utilizes the roof upwards ejecting with the condenser, then the manual work takes off it. Afterwards, reverse switch-on electric putter, electric putter fall to the bar inslot, avoid producing the influence to follow-up detection, the quality of assurance condenser that can be better.
Furthermore, electric putter is provided with two, and sets up respectively in bar groove both ends.
Therefore, the stress uniformity of the top plate can be better improved, and the use is convenient.
In conclusion, the device can better detect the leakage of the capacitor, and has high automation degree and high efficiency.
Drawings
Fig. 1 is a schematic structural diagram of an electric leakage detection device of an aluminum electrolytic capacitor according to an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a-a of fig. 1.
Fig. 3 is an enlarged schematic view of B-B of fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-3, an electric leakage detection device for an aluminum electrolytic capacitor comprises a detection table 1, wherein a base 2 is fixedly installed on the detection table 1, and at least two groups of detection mechanisms are arranged on the base 2 at intervals; the detection mechanism is including setting up two through-holes 21 on the base 2, equal fixed mounting has two metal shrapnel 22 in the through-hole 21, two metal shrapnel 22 upper end is crooked to the direction of keeping away from each other respectively, metal shrapnel 22 lower extreme fixedly connected with wire 3, be provided with the guiding hole that allows wire 3 to wear out in the base 2, wire 3 wears out to the base 2 outside through the guiding hole, two wires of detection mechanism are connected the setting with the two poles of the earth of universal meter 4 respectively.
In this technical scheme, when detecting the electric leakage of condenser 8, insert two contact pins 81 of condenser between two shell fragments in the through-hole respectively, utilize the shell fragment to press from both sides tight location to the contact pin, the shell fragment is the copper sheet, can be with electrically conductive, has certain elasticity again, can press from both sides tightly the contact pin. The upper end of the elastic sheet is bent, so that the inserting range of the contact pin can be enlarged, and the inserting efficiency and accuracy of the contact pin are improved. After the contact pin of condenser inserts between the shell fragment, with universal meter modulation resistance ohm shelves, the universal meter is digital universal meter. During measurement, for a capacitor with more than one thousand microfarads, the capacitor can be quickly charged by using the gear R multiplied by 10 omega, the capacity of the capacitor is preliminarily estimated, then the gear R multiplied by 1k omega is changed to continue measurement for a while, at the moment, the pointer does not return, but stops at or is very close to the infinity, otherwise, the phenomenon of electric leakage exists. The leakage characteristic of a timing or oscillation capacitor below dozens of microfarads is very high, the capacitor cannot be used as long as the capacitor leaks slightly, in this case, the R × 1k Ω gear is charged, then the R × 10k Ω gear is used for continuous measurement, and the pointer is stopped at infinity and is not returned. Or the lead is respectively communicated with the anode and the cathode of the universal meter, and then the lead is reversely connected, the universal meter is used for measuring the forward and reverse resistances of the capacitor, if the positive and reverse resistances can not return to the zero position, the leakage of the capacitor is indicated, and the capacitor is a waste part.
Further, still include stop gear, stop gear includes fixed mounting two limiting plates 5 on the base 2, limiting plate 5 sets up the relative both sides of detection mechanism.
Therefore, the limiting plate can be used for limiting the capacitor, so that deflection is avoided, and the contact reliability is ensured.
Further, the limiting plate 5 is recessed in the surface corresponding to the detection mechanism to form a limiting arc surface 51.
Therefore, materials can be saved better, and the limiting is better carried out.
Further, the detection mechanism is provided with four groups.
Thus, four capacitors can be simultaneously installed and then sequentially tested, improving efficiency.
Further, still include ejection mechanism, 2 upper surface indent formation bar grooves 6 on the base, fixed mounting has electric putter 61 in the bar groove 6, electric putter 61 is connected with the power electricity, electric putter 61 upper end fixed mounting has roof 62, roof 62 level sets up, roof 62 is just to setting up between two through-holes 21 of detection mechanism.
Thus, after the detection is finished, if the capacitor is pulled out manually, the pins of the capacitor are inclined, and the use is affected. Be provided with electric putter forward circular telegram, electric putter's flexible end upwards stretches out, drives roof upward movement, and the roof width is less than the distance between two contact pins of condenser, then utilizes the roof upwards ejecting with the condenser, then the manual work takes off it. Afterwards, reverse switch-on electric putter, electric putter fall to the bar inslot, avoid producing the influence to follow-up detection, the quality of assurance condenser that can be better.
Further, the electric push rods 61 are provided with two and are respectively arranged at two ends of the strip-shaped groove 6.
Therefore, the stress uniformity of the top plate can be better improved, and the use is convenient.
The working principle and the flow are as follows:
when detecting the electric leakage of the capacitor, two contact pins of the capacitor are respectively inserted between two elastic sheets in the through hole, the contact pins are clamped and positioned by utilizing the elastic sheets, and the elastic sheets are copper sheets, so that the capacitor can be conductive and have certain elasticity, and the contact pins can be clamped. The upper end of the elastic sheet is bent, so that the inserting range of the contact pin can be enlarged, and the inserting efficiency and accuracy of the contact pin are improved. And limiting the installation of the capacitor by using the limiting plate. After the contact pin of condenser inserts between the shell fragment, with universal meter modulation resistance ohm shelves, the universal meter is digital universal meter. During measurement, for a capacitor with more than one thousand microfarads, the capacitor can be quickly charged by using the gear R multiplied by 10 omega, the capacity of the capacitor is preliminarily estimated, then the gear R multiplied by 1k omega is changed to continue measurement for a while, at the moment, the pointer does not return, but stops at or is very close to the infinity, otherwise, the phenomenon of electric leakage exists. The leakage characteristic of a timing or oscillation capacitor below dozens of microfarads is very high, the capacitor cannot be used as long as the capacitor leaks slightly, in this case, the R × 1k Ω gear is charged, then the R × 10k Ω gear is used for continuous measurement, and the pointer is stopped at infinity and is not returned. Or the lead is respectively communicated with the anode and the cathode of the universal meter, and then the lead is reversely connected, the universal meter is used for measuring the forward and reverse resistances of the capacitor, if the positive and reverse resistances can not return to the zero position, the leakage of the capacitor is indicated, and the capacitor is a waste part. After the detection is finished, the electric push rod is electrified in the forward direction, the telescopic end of the electric push rod extends upwards to drive the top plate to move upwards, the width of the top plate is smaller than the distance between the two contact pins of the capacitor, then the capacitor is ejected upwards by the aid of the top plate, and then the capacitor is taken down manually. Afterwards, reverse switch-on electric putter, electric putter fall to the bar inslot, avoid producing the influence to follow-up detection, the quality of assurance condenser that can be better.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (6)
1. The leakage detection device of the aluminum electrolytic capacitor is characterized by comprising a detection table, wherein a base is fixedly arranged on the detection table, and at least two groups of detection mechanisms are arranged on the base at intervals;
the detection mechanism is including setting up two through-holes on the base, equal fixed mounting has two metal shrapnel in the through-hole, two the metal shrapnel upper end is crooked to the direction of keeping away from each other respectively, metal shrapnel lower extreme fixedly connected with wire, be provided with the guiding hole that allows the wire to wear out in the base, the wire is worn out to the base outside through the guiding hole, two wires of detection mechanism are connected the setting with the two poles of the earth of universal meter respectively.
2. The leakage detection device for the aluminum electrolytic capacitor according to claim 1, further comprising a limiting mechanism, wherein the limiting mechanism comprises two limiting plates fixedly mounted on the base, and the limiting plates are disposed on two opposite sides of the detection mechanism.
3. The leakage detecting device for the aluminum electrolytic capacitor as claimed in claim 2, wherein the surface of the limiting plate corresponding to the detecting mechanism is recessed to form a limiting arc surface.
4. The leakage detecting device for aluminum electrolytic capacitors as claimed in claim 3, wherein the detecting means is provided in four sets.
5. The leakage detection device for the aluminum electrolytic capacitor as recited in claim 4, further comprising an ejection mechanism, wherein the upper surface of the base is recessed to form a strip-shaped groove, an electric push rod is fixedly installed in the strip-shaped groove, the electric push rod is electrically connected with a power supply, a top plate is fixedly installed at the upper end of the electric push rod, the top plate is horizontally arranged, and the top plate is just arranged between the two through holes of the detection mechanism.
6. The leakage detecting device for the aluminum electrolytic capacitor as recited in claim 5, wherein two electric push rods are provided and are respectively provided at two ends of the strip-shaped groove.
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CN201920814001.8U CN210270125U (en) | 2019-05-31 | 2019-05-31 | Leakage detection device of aluminum electrolytic capacitor |
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CN201920814001.8U CN210270125U (en) | 2019-05-31 | 2019-05-31 | Leakage detection device of aluminum electrolytic capacitor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112731029A (en) * | 2020-12-23 | 2021-04-30 | 扬州日精电子有限公司 | Film capacitor electric detection machine with anti-leakage function |
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2019
- 2019-05-31 CN CN201920814001.8U patent/CN210270125U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112731029A (en) * | 2020-12-23 | 2021-04-30 | 扬州日精电子有限公司 | Film capacitor electric detection machine with anti-leakage function |
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