CN212872748U - Electrolytic capacitor is high pressure test device in twinkling of an eye - Google Patents
Electrolytic capacitor is high pressure test device in twinkling of an eye Download PDFInfo
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- CN212872748U CN212872748U CN202021867071.9U CN202021867071U CN212872748U CN 212872748 U CN212872748 U CN 212872748U CN 202021867071 U CN202021867071 U CN 202021867071U CN 212872748 U CN212872748 U CN 212872748U
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Abstract
The utility model discloses an electrolytic capacitor instantaneous high voltage resistance testing device, which comprises a charging and discharging mechanism and a testing mechanism connected with the charging and discharging mechanism through wires; the testing mechanism comprises a processor, a key electrically connected with the input end of the processor, a time controller in bidirectional connection with the processor, a transformer connected with the input end of the processor, a solid-state relay in bidirectional connection with the processor and with the input end connected with the transformer, and a circuit breaker respectively connected with the output end of the processor and the output end of the solid-state relay, wherein the circuit breaker is connected with the charging and discharging mechanism through wires; the device realizes the conversion of the alternating voltage from 10V to 380V in the transformer by the whole testing mechanism through the cooperation among the processor, the time controller, the transformer, the solid-state relay and the circuit breaker in the testing mechanism, simulates the time control of the electrolytic capacitor detection requiring charging and discharging, and realizes the automatic management and control of the charging and discharging time.
Description
Technical Field
The utility model particularly relates to an electrolytic capacitor is high pressure test device in twinkling of an eye.
Background
Direct current support capacitors, also known as DC-Link capacitors. A DC support capacitor belongs to one of passive devices. The direct current support capacitor mainly adopts a polypropylene film medium direct current support capacitor, and has the advantages of high voltage resistance, large current resistance, low impedance, low inductance, small capacity loss, small leakage current, good temperature performance, high charging and discharging speed, long service life (about 10 ten thousand hours), good safety explosion-proof stability, convenient non-polar installation and the like. Is widely applied to the power electronic industry.
The existing device for carrying out the instantaneous high-voltage test realizes the conversion of alternating voltage from 10V to 380V by using an alternating current transformer, but cannot simulate the time control of charging and discharging required by customers.
Disclosure of Invention
In view of this, the utility model aims at providing an electrolytic capacitor who realizes that the simulation realizes that electrolytic capacitor detects the time control that requires to charge and discharge, realizes the automatic management and control of charge and discharge time is high voltage resistance testing arrangement in twinkling of an eye.
In order to solve the technical problem, the technical scheme of the utility model is that:
an electrolytic capacitor instantaneous high voltage resistance testing device comprises a charging and discharging mechanism and a testing mechanism connected with the charging and discharging mechanism through wires; the testing mechanism comprises a processor, a key which is electrically connected with the input end of the processor and is convenient for setting charging and discharging time, a time controller which is bidirectionally connected with the processor and is used for reflecting the time length set for charging and discharging in time, a transformer which is connected with the input end of the processor and is externally connected with a power supply, a solid-state relay which is bidirectionally connected with the processor and the input end of which is connected with the transformer, a circuit breaker which is respectively connected with the output end of the processor and the output end of the solid-state relay, and the circuit breaker is connected with the charging and discharging mechanism through wires.
Preferably, the processor is a processor with a model number of Intel Bay Trail J19004 core.
Preferably, the time controller adopts a microcomputer time control switch with the model number YG11-ZYT 16G-JW.
Preferably, the charge and discharge mechanism comprises a workbench, a first ceramic strip fixed above the workbench through a screw, and a second ceramic strip fixed above the workbench through a screw and parallel to the first ceramic strip.
Preferably, a plurality of fixed clamping seats are equidistantly installed on the first ceramic strip, the cylinders of the fixed clamping seats are fixed by nuts after penetrating through the first ceramic strip, and the adjacent fixed clamping seats are connected by electric wires.
Preferably, a plurality of movable clamping seats are equidistantly mounted on the second ceramic strip, the columns of the movable clamping seats are limited by nuts after penetrating through the second ceramic strip, the adjacent movable clamping seats are connected through electric wires, and springs are also arranged between the movable clamping seats and the second ceramic strip.
The utility model discloses technical effect mainly embodies in following aspect: the device realizes the conversion of the alternating voltage from 10V to 380V in the transformer by the whole testing mechanism through the cooperation among the processor, the time controller, the transformer, the solid-state relay and the circuit breaker in the testing mechanism, simulates the time control of the electrolytic capacitor detection requiring charging and discharging, and realizes the automatic management and control of the charging and discharging time.
Drawings
FIG. 1 is a structural diagram of an instantaneous high voltage resistance testing device for an electrolytic capacitor according to the present invention;
FIG. 2 is a structural frame diagram of the testing mechanism of FIG. 1;
FIG. 3 is a circuit diagram of the test mechanism of FIG. 1.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.
In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right side", "left end", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin connecting manner, or the like, which is commonly used in the prior art, and therefore, details thereof are not described in the present embodiment.
Examples
An instantaneous high-voltage resistance testing device for an electrolytic capacitor, as shown in figure 1, comprises a charging and discharging mechanism 1 and a testing mechanism 2 connected with the charging and discharging mechanism 1 through wires. The charging and discharging mechanism 1 comprises a workbench 11, a first ceramic strip 12 fixed above the workbench 11 through screws, and a second ceramic strip 13 fixed above the workbench 11 and parallel to the first ceramic strip 12 through screws. A plurality of fixing clamping seats 121 are equidistantly installed on the first ceramic strip 12, the columns of the fixing clamping seats 121 penetrate through the first ceramic strip 12 and then are fixed by nuts, and the adjacent fixing clamping seats 121 are connected through electric wires. A plurality of movable clamping seats 131 are equidistantly installed on the second ceramic strip 13, the movable clamping seats 131 correspond to the fixed clamping seats 121 and can fix electrolytic capacitors, the cylinders of the movable clamping seats 131 penetrate through the second ceramic strip 13 and then are limited by nuts, the adjacent movable clamping seats 131 are connected through electric wires, springs 132 are also arranged between the movable clamping seats 131 and the second ceramic strip 13, the springs 132 can adapt to the electrolytic capacitors with different sizes, and the transient high-voltage resistance test is conveniently carried out.
As shown in fig. 2, the testing mechanism 2 includes a processor 21, a button 22 electrically connected to an input terminal of the processor 21 and facilitating setting of charging and discharging time, a time controller 23 bidirectionally connected to the processor 21 and reflecting the setting of charging and discharging time in time, a transformer 24 connected to the input terminal of the processor 21 and connected to an external power source, a solid-state relay 25 bidirectionally connected to the processor 21 and having an input terminal connected to the transformer 24, a disconnecting switch 26 respectively connected to an output terminal of the processor 21 and an output terminal of the solid-state relay 25, and the disconnecting switch 26 is connected to the charging and discharging mechanism 1 through a wire.
In this embodiment, the processor 21 is a processor having a model number of Intel Bay Trail J19004 core.
In this embodiment, the time controller 23 is a microcomputer time switch with model number YG11-ZYT 16G-JW.
In the present embodiment, the solid-state relay 25 is model GZ 10-W. The model of the cut-off switch 26 is ZW 6.
As shown in fig. 3, in the circuit diagram: u is a high voltage source, Rc is a charging power source, Ce is an energy storage capacitor, Rs is a pulse duration forming resistor, Rm is an impedance matching resistor, and Lr is a rise time forming inductor.
The automatic control process of the charging and discharging time comprises the following steps:
the transformer 24 is electrified and is switched from 10V to 380V according to the set requirement, the processor 21 sets the control time length through the key 22, the time controller 23 reads the time information of the control time length, after the setting, the key 22 controls the charging and discharging to be started, meanwhile, the solid state relay 25 and the cut-off switch 26 maintain the safety in the charging and discharging process, when the charging time is up, the time controller 23 feeds back the processor 3, the control end of the solid state relay 25 is triggered, the cut-off switch 26 is controlled to be switched off and electrified, and the charging and discharging to the charging and discharging mechanism 1 are stopped.
The utility model discloses technical effect mainly embodies in following aspect: the device realizes the conversion of the alternating voltage from 10V to 380V in the transformer by the whole testing mechanism through the cooperation among the processor, the time controller, the transformer, the solid-state relay and the circuit breaker in the testing mechanism, simulates the time control of the electrolytic capacitor detection requiring charging and discharging, and realizes the automatic management and control of the charging and discharging time.
Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.
Claims (6)
1. An electrolytic capacitor instantaneous high voltage resistance testing device comprises a charging and discharging mechanism and a testing mechanism connected with the charging and discharging mechanism through wires; the method is characterized in that: the testing mechanism comprises a processor, a key which is electrically connected with the input end of the processor and is convenient for setting charging and discharging time, a time controller which is bidirectionally connected with the processor and is used for reflecting the time length set for charging and discharging in time, a transformer which is connected with the input end of the processor and is externally connected with a power supply, a solid-state relay which is bidirectionally connected with the processor and the input end of which is connected with the transformer, a circuit breaker which is respectively connected with the output end of the processor and the output end of the solid-state relay, and the circuit breaker is connected with the charging and discharging mechanism through wires.
2. The instantaneous high voltage resistance test device of the electrolytic capacitor as claimed in claim 1, characterized in that: the processor is a processor with a model number of Intel Bay Trail J19004 core.
3. The instantaneous high voltage resistance test device of the electrolytic capacitor as claimed in claim 1, characterized in that: the time controller adopts a microcomputer time control switch with the model number of YG11-ZYT 16G-JW.
4. The instantaneous high voltage resistance test device of the electrolytic capacitor as claimed in claim 1, characterized in that: the charging and discharging mechanism comprises a workbench, a first ceramic strip and a second ceramic strip, wherein the first ceramic strip is fixed above the workbench through screws, and the second ceramic strip is fixed above the workbench through screws and is parallel to the first ceramic strip.
5. The device for testing instantaneous high voltage resistance of an electrolytic capacitor as claimed in claim 4, wherein: the first ceramic strip is equidistantly provided with a plurality of fixing clamping seats, the cylinders of the fixing clamping seats penetrate through the first ceramic strip and then are fixed by nuts, and the adjacent fixing clamping seats are connected through electric wires.
6. The device for testing instantaneous high voltage resistance of an electrolytic capacitor as claimed in claim 4, wherein: a plurality of movable clamping seats are equidistantly installed on the second ceramic strip, the cylinders of the movable clamping seats are limited by nuts after penetrating through the second ceramic strip, the adjacent movable clamping seats are connected through electric wires, and springs are also arranged between the movable clamping seats and the second ceramic strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021867071.9U CN212872748U (en) | 2020-08-31 | 2020-08-31 | Electrolytic capacitor is high pressure test device in twinkling of an eye |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021867071.9U CN212872748U (en) | 2020-08-31 | 2020-08-31 | Electrolytic capacitor is high pressure test device in twinkling of an eye |
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| Publication Number | Publication Date |
|---|---|
| CN212872748U true CN212872748U (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021867071.9U Active CN212872748U (en) | 2020-08-31 | 2020-08-31 | Electrolytic capacitor is high pressure test device in twinkling of an eye |
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| CN (1) | CN212872748U (en) |
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2020
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