CN217181110U - Rectifier module insulation test fixture - Google Patents

Abstract

The utility model discloses a rectifier module insulation test fixture. This insulating test fixture of rectifier module includes the frame, be provided with the framework on the workstation of frame, the top of framework is provided with the needle template, a plurality of probe is installed to the needle template, the afterbody of probe stretches out the bottom surface of needle template, the lateral wall of framework is provided with the first plug with the probe intercommunication, the top of needle template is provided with the layer board, be provided with a plurality of spring between the bottom surface of layer board and the needle template, the acupuncture point that is used for depositing rectifier module is seted up to the top surface of layer board, the through-hole that the probe passed is seted up to the bottom at acupuncture point, be provided with the clamp plate directly over the acupuncture point, the bottom rigid coupling of clamp plate has the metal sheet, the top of clamp plate is provided with the casing, the lateral wall of casing is provided with the second plug with the metal sheet intercommunication, the top of casing is provided with the back and forth movement device, the back and forth movement device orders about the metal sheet and contradicts or leaves rectifier module. The utility model provides a prior art complex operation, problem that work efficiency is low.

Description

Rectifier module insulation test fixture

Technical Field

The utility model relates to a production technical field especially relates to a rectifier module insulation test fixture.

Background

With the development of science and technology, semiconductor devices are widely applied to various fields of national development, and rectifier modules as first-generation power semiconductor devices are widely applied to devices such as a UPS (uninterrupted power supply), a soft starter, a frequency converter and the like, so that the rapid development of the power electronic industry is promoted. The manufacturing of the rectifier module is mainly divided into a packaging part and a testing part, the packaging part is to plastically package a chip into an insulating shell through welding and bonding process modes, the testing part is mainly to evaluate various electrical performance indexes of a product, the insulating testing part is to apply certain voltage to the insulating performance between insulating materials of the module for testing, the product is guaranteed not to lose effectiveness due to partial discharge in the using process, and the reliability of the product is guaranteed.

The traditional insulation test mode is that a spanner is used for installing a corresponding bolt on a main electrode of a rectification module, an auxiliary electrode is connected with the main electrode and a positive electrode of test equipment by using a lead, a module bottom plate is fixed on a copper plate and is connected with a negative level of the equipment, and the equipment is used for testing a product after connection is completed. The operation is complicated and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rectifier module insulation test fixture that simple operation, work efficiency are high to the not enough of prior art existence.

In order to achieve the above object, the utility model discloses the technical scheme that rectifier module insulation test fixture adopted is:

the utility model provides an insulating test fixture of rectifier module, which comprises a frame, be provided with the framework on the workstation of frame, the top of framework is provided with the needle template, a plurality of probe is installed to the needle template, the afterbody of probe stretches out the bottom surface of needle template, the lateral wall of framework is provided with the first plug with the probe intercommunication, the top of needle template is provided with the layer board, be provided with a plurality of spring between the bottom surface of layer board and the needle template, the acupuncture point that is used for depositing rectifier module is seted up to the top surface of layer board, the through-hole that the probe passed is seted up to the bottom at acupuncture point, be provided with the clamp plate directly over the acupuncture point, the bottom rigid coupling of clamp plate has the metal sheet, the top of clamp plate is provided with the casing, the lateral wall of casing is provided with the second plug with the metal sheet intercommunication, the top of casing is provided with the back and forth movement device, the back and forth movement device orders about the metal sheet and contradicts or leaves rectifier module. The first plug and the second plug are connected to the insulation testing equipment through the conducting wires, the rectifier module is placed in an acupuncture point, the reciprocating motion device drives the metal plate to abut against the rectifier module, the supporting plate moves downwards, the head portions of the spring and the probe are compressed, and a current path is formed among the metal plate, the rectifier module and the probe, so that the accuracy of insulation performance testing of the rectifier module is guaranteed.

Preferably, the reciprocating device is a quick clamp, and a telescopic end of the quick clamp is fixedly connected to the top of the shell. And the modes of a screw rod, an oil cylinder, an air cylinder and the like can also be adopted.

Preferably, the rack is provided with a plurality of guide pillars, guide sleeves are sleeved on the outer sides of the guide pillars and fixedly connected with the pressing plate. The guide sleeve is matched with the guide post to ensure that the metal plate does not shift when moving up and down and can cover the rectifier module.

Preferably, the bottom of the supporting plate is provided with a guide pin, and the needle template is provided with a guide hole matched with the guide pin. The guide pin is matched with the guide hole, so that the support plate does not deviate in vertical movement, and the probe is protected from being damaged.

Preferably, the needle template is provided with a needle sleeve, the needle sleeve is used for installing a probe, and the bottom of the needle sleeve is communicated with the first plug through a lead. The probe is directly inserted into the needle sleeve, and the damaged probe is directly pulled out and replaced.

Preferably, the metal plate is a copper plate. But may also be an aluminum plate.

Compared with the prior art, the utility model, have following advantage:

1. the first plug and the second plug are connected to the insulation testing equipment through the conducting wires, the rectifier module is placed into the acupuncture points, the rectifier module is pulled down to be clamped quickly, the copper plate, the rectifier module and the probe form a current path, the insulation performance of the rectifier module can be tested, the operation is convenient, and the working efficiency is high.

2. The guide sleeve is matched with the guide post to ensure that the metal plate does not deviate when moving up and down and can cover the rectifier module; the guide pin is matched with the guide hole, so that the support plate does not deviate in vertical movement, and the probe is protected from being damaged.

3. The needle sleeve is provided, so that the probe can be replaced conveniently.

Drawings

Fig. 1 is a top view of the insulation testing jig for rectifier module of the present invention;

FIG. 2 is a cross-sectional view B-B of FIG. 1;

FIG. 3 is an enlarged view of FIG. 2 at D;

FIG. 4 is a cross-sectional view C-C of FIG. 1;

FIG. 5 is an enlarged view at E of FIG. 4;

FIG. 6 is a schematic structural view of a pallet;

fig. 7 is a schematic structural view of the needle template.

The device comprises a machine frame 1, a frame 2, a needle template 3, a needle sleeve 4, a probe 5, a first plug 6, a supporting plate 7, acupuncture points 8, through holes 9, guide pins 10, springs 11, blind holes 12, guide holes 13, a pressing plate 14, a metal plate 15, a shell 16, a second plug 17, a reciprocating motion device 18, a guide pillar 19 and a guide sleeve 20.

Detailed Description

The present invention will be further clarified by the following description in conjunction with the accompanying drawings, which are to be understood as illustrative only and not as limiting the scope of the invention, and modifications of the various equivalent forms of the invention by those skilled in the art after reading the present invention are within the scope defined by the appended claims.

As shown in fig. 1-7, a rectifier module insulation test fixture comprises a frame 1, a frame 2 is fixedly connected to a worktable of the frame, a needle template 3 is fixedly connected to the top of the frame, a plurality of needle sleeves 4 are installed on the needle template, probes 5 are inserted into the needle sleeves, the needle sleeves facilitate replacement of the probes, the bottoms of the needle sleeves are communicated with a first plug 6 through wires, the first plug is installed on the rear side wall of the frame, a supporting plate 7 is arranged above the needle template, the top surface of the supporting plate is provided with acupuncture points 8 for storing rectifier modules, the bottoms of the acupuncture points are provided with through holes 9 through which the probes pass, guide pins 10 are fixedly connected to four corners of the bottom surface of the supporting plate, springs 11 are sleeved outside the guide pins, the needle template is provided with blind holes 12 for storing the springs, guide holes 13 matched with the guide pins are arranged on the bottom surface of the blind holes, the guide pins are matched with the guide holes, so as to ensure that the supporting plate does not shift up and down movement, the probes are protected from damage, and a pressing plate 14 is arranged right above the acupuncture points, bottom rigid coupling metal sheet 15 of clamp plate, the metal sheet is the copper, the copper has splendid electric conductive property, the top rigid coupling casing 16 of clamp plate, the lateral wall installation of casing and the second plug 17 of copper intercommunication, the top of casing is provided with back and forth movement device 18, back and forth movement device is the quick clamp, the flexible end rigid coupling that presss from both sides fast connects in the top of casing, the quick clamp orders about the copper conflict or leaves rectifier module, two guide pillars 19 are arranged to the rear side of frame, guide pillar outside cup joints guide pin bushing 20, guide bushing and clamp plate rigid coupling, guide bushing cooperation guide pillar, ensure that the metal sheet up-and-down motion does not squint, can cover rectifier module. In consideration of safety, the rack, the frame body, the needle template, the supporting plate, the shell and the pressing plate are all made of bakelite or glass plate materials with better insulating property.

A specific working process and principle of a rectifier module insulation test fixture are provided: use the wire with first, second plug connection to insulation test equipment, put into the acupuncture point with rectifier module, pull down and press from both sides fast and order about the copper and conflict rectifier module, the layer board is down, the head of spring and probe is compressed, ensures that metal sheet, rectifier module, probe three form the current path to guarantee rectifier module insulation performance test's accuracy, the back is accomplished in the test, pushes up the quick clamp, the copper is gone upward, the head of layer board and probe resets, can take out rectifier module. The utility model discloses the operation is reliable and stable, and the simple operation has greatly improved production efficiency.

Claims (6)

1. The utility model provides a rectifier module insulation test fixture which characterized in that: the automatic rectifier comprises a frame, be provided with the framework on the workstation of frame, the top of framework is provided with the needle template, a plurality of probe is installed to the needle template, the afterbody of probe stretches out the bottom surface of needle template, the lateral wall of framework is provided with the first plug with the probe intercommunication, the top of needle template is provided with the layer board, be provided with a plurality of spring between the bottom surface of layer board and the needle template, the acupuncture point that is used for depositing rectifier module is offered to the top surface of layer board, the through-hole that the probe passed is seted up to the bottom at acupuncture point, be provided with the clamp plate directly over the acupuncture point, the bottom rigid coupling of clamp plate has the metal sheet, the top of clamp plate is provided with the casing, the lateral wall of casing is provided with the second plug with the metal sheet intercommunication, the top of casing is provided with the back and forth movement device, the back and forth movement device orders about the metal sheet and contradicts or leaves rectifier module.

2. The insulation test fixture for rectifier modules according to claim 1, wherein: the reciprocating device is a quick clamp, and the telescopic end of the quick clamp is fixedly connected to the top of the shell.

3. The insulation test fixture for rectifier modules according to claim 1, wherein: the frame is provided with a plurality of guide pillar, and the guide pin bushing has been cup jointed to the guide pillar outside, guide pin bushing and clamp plate rigid coupling.

4. The insulation test fixture for rectifier modules according to claim 1, wherein: the bottom of the supporting plate is provided with a guide pin, and the needle template is provided with a guide hole matched with the guide pin.

5. The insulation test fixture of claim 4, wherein: the needle template is provided with a needle sleeve, the needle sleeve is used for installing a probe, and the bottom of the needle sleeve is communicated with the first plug through a lead.

6. The insulation test fixture for rectifier modules according to claim 1, wherein: the metal plate is a copper plate.

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