CN219957767U - IGBT driving fault detection device - Google Patents

Abstract

The utility model provides an IGBT driving fault detection device. The device comprises a device cabin and a fixing plate, wherein a shoulder strap is fixed on the rear side of the fixing plate, and a display screen is rotatably fixed on the upper side of the device cabin. According to the IGBT driving fault detection device, the fixing plate is arranged, the equipment cabin is rotationally fixed on the rear side of the fixing plate, the shoulder belt on the rear side of the fixing plate enables a user to carry the device in a braces mode, the equipment cabin is fixed through the limiting mechanism, the device can be used by being carried in front of the user in a braces mode, therefore mobile carrying detection is achieved, the device has the advantages of portability and convenience in use, comfort level of the user in braces can be improved through the arrangement of the protection pad, the length of the shoulder belt can be freely adjusted through fastening, accordingly use requirements of different users are met, jacks on the side face of the equipment cabin can be shielded through the arrangement of the cover plate, and dustproof treatment of the jacks of the equipment cabin is achieved.

Description

IGBT driving fault detection device

Technical Field

The utility model relates to the technical field of IGBT module detection, in particular to an IGBT driving fault detection device.

Background

The application field of the converter is wider and wider, the power conversion device of the converter mainly comprises IGBT, the safe and stable operation of the IGBT driving module is the most critical factor influencing the whole performance of the converter, but because of application requirements, the converter generally works in a high-voltage and high-current state, and if the fault caused by instantaneous state mutation cannot be found or judged in time to carry out protection treatment, serious fault can be caused, and the safety of equipment is endangered.

At present, a worker can carry a detection device to carry out fault detection on an IGBT driving module in a certain period so as to ensure safe operation of the IGBT driving module, however, the current detection device is usually portable, the worker can carry the IGBT driving module by hands for a long time and is very laborious, the IGBT driving module is usually distributed at different positions, the worker needs to put the next place carried by the device after the detection of one place is finished, and then the detection is carried out, so that the detection is repeated, so that the detection device is very complicated in moving detection, and more time is delayed.

Accordingly, it is necessary to provide an IGBT drive failure detection device that solves the above-described technical problems.

Disclosure of Invention

The utility model provides an IGBT driving fault detection device, which solves the problem that the existing IGBT driving fault detection device is inconvenient to carry and move.

In order to solve the technical problems, the IGBT driving fault detection device comprises an equipment cabin and a fixed plate, wherein a shoulder strap is fixed on the rear side of the fixed plate, a display screen is rotationally fixed on the upper side of the equipment cabin, sliding grooves are formed in the left side and the right side of the fixed plate, a limiting mechanism is embedded in the sliding grooves in a sliding mode, a connecting block is fixed on the outer side of the limiting mechanism, the other end of the connecting block is hinged to the equipment cabin, a supporting rod is rotationally fixed on the front side of the fixed plate, a positioning rod is fixed on the bottom of the equipment cabin, an arc-shaped clamping groove matched with the diameter of the positioning rod is formed in the front end of the supporting rod, and movable insertion is conducted between the supporting rod and the positioning rod.

Preferably, the stop gear includes slider, spring, stopper and fixture block, the slider slides and inlays in the spout of fixed plate side, the inside of slider is seted up flutedly, and the recess internal fixation has the spring, the stopper slides and inlays in the recess of slider and link to each other with the spring between fixed, the fixture block is fixed in the outside of stopper, the draw-in groove with fixture block size looks adaptation is seted up to the spout inner wall in equipment compartment.

Preferably, the rear side of fixed plate is fixed with the protection pad, the surface of protection pad is cortex and inside is filled with the sponge, shoulder the belt and be fixed in the upper and lower side of fixed plate and spacing fixed through the buckle.

Preferably, a sliding groove is formed in the side face of the equipment cabin, a cover plate is fixedly arranged in a sliding mode, insertion holes are formed in the inner side of the cover plate correspondingly, and the cover plate is fixedly adsorbed through a magnet.

Preferably, the left side and the right side of the fixing plate are both provided with grooves and are fixedly provided with tool boxes in a sliding manner, and the tool boxes are embedded in a drawing manner.

Preferably, the front side of the fixed plate is provided with a placing groove with the length matched with that of the supporting rod.

Compared with the related art, the IGBT driving fault detection device provided by the utility model has the following beneficial effects:

according to the IGBT driving fault detection device, the fixing plate is arranged, the equipment cabin is rotationally fixed on the rear side of the fixing plate, the shoulder belt on the rear side of the fixing plate enables a user to carry the device in a braces mode, the equipment cabin is fixed through the limiting mechanism, the device can be used by being carried in front of the user in a braces mode, therefore mobile carrying detection is achieved, the device has the advantages of portability and convenience in use, comfort level of the user in braces can be improved through the arrangement of the protection pad, the length of the shoulder belt can be freely adjusted through fastening, accordingly use requirements of different users are met, jacks on the side face of the equipment cabin can be shielded through the arrangement of the cover plate, and dustproof treatment of the jacks of the equipment cabin is achieved.

Drawings

FIG. 1 is a schematic diagram of a preferred embodiment of a fault detection device for GBT driving according to the present utility model;

FIG. 2 is a second schematic illustration of the structure of FIG. 1;

fig. 3 is an enlarged schematic view of the structure a shown in fig. 2.

Reference numerals in the drawings: 1. an equipment compartment; 2. a fixing plate; 3. a shoulder strap; 4. a display screen; 5. a limiting mechanism; 51. a slide block; 52. a spring; 53. a limiting block; 54. a clamping block; 6. a connecting block; 7. a support rod; 8. a positioning rod; 9. a protective pad; 10. a buckle; 11. a cover plate; 12. a tool box.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Please refer to fig. 1-3 in combination. The utility model provides an I GBT drive fault detection device, including equipment compartment 1 and fixed plate 2, the rear side of fixed plate 2 is fixed with baldric 3, the upside rotation of equipment compartment 1 is fixed with display screen 4, the spout has all been seted up to the left and right sides of fixed plate 2 and slide embedded stop gear 5, the outside of stop gear 5 is fixed with connecting block 6, articulated linking to each other between the other end of connecting block 6 and the equipment compartment 1, the front side rotation of fixed plate 2 is fixed with bracing piece 7, the bottom of equipment compartment 1 is fixed with locating lever 8, the arc draw-in groove with locating lever 8 diameter looks adaptation is seted up to the front end of bracing piece 7, movable grafting is provided with fixed plate 2 between bracing piece 7 and the locating lever 8, the equipment compartment 1 rotation is fixed in the rear side of fixed plate 2 through being provided with, the baldric 3 of fixed plate 2 rear side makes the user carry in the braces, equipment compartment 1 can carry its braces in the place ahead of user when making the device use through stop gear 5, thereby realize moving and carry and detect, make the device have portable and convenient advantage of using.

The limiting mechanism 5 comprises a sliding block 51, a spring 52, a limiting block 53 and a clamping block 54, wherein the sliding block 51 is slidably embedded in a sliding groove on the side face of the fixed plate 2, a groove is formed in the sliding block 51, the spring 52 is fixedly arranged in the groove, the limiting block 53 is slidably embedded in the groove of the sliding block 51 and fixedly connected with the spring 52, the clamping block 54 is fixedly arranged on the outer side of the limiting block 53, a clamping groove matched with the clamping block 54 in size is formed in the inner wall of the sliding groove of the equipment compartment 1, the limiting mechanism 5 is connected with the sliding block 51 in a sliding mode, so that the device can be pulled down in use, the display screen 4 is kept at a certain distance from eyes of a user, and meanwhile the clamping block 54 in the limiting mechanism 5 is clamped into the clamping groove of the fixed plate 2 under the elastic force of the spring 52, so that limiting fixation of the equipment compartment 1 is achieved.

The rear side of fixed plate 2 is fixed with protection pad 9, and protection pad 9's surface is cortex and inside is filled with the sponge, and shoulder 3 is fixed in the upside down side of fixed plate 2 and spacing fixedly through buckle 10, can improve the comfort level when user's braces through setting up protection pad 9, and shoulder 3 can make its length freely adjust through buckle 10 is fixed to satisfy different user's user demand.

The side of the equipment cabin 1 is provided with a chute and is fixedly provided with a cover plate 11 in a sliding manner, the inner side of the cover plate 11 is correspondingly provided with a jack, the cover plate 11 is fixedly adsorbed by a magnet, and the jack on the side of the equipment cabin 1 can be shielded by arranging the cover plate 11, so that dust prevention of the jack of the equipment cabin 1 is realized.

The left and right sides of fixed plate 2 are all set up flutedly and slide-fixed have tool holder 12, and tool holder 12 is pull formula embedding, can put into maintenance tool through setting up tool holder 12 to the practicality of device improves.

The standing groove matched with the length of the supporting rod 7 is formed in the front side of the fixed plate 2, the standing groove is formed in the side face of the fixed plate 2 to put the supporting rod 7 in, and therefore folding and retracting of the equipment compartment 1 are met.

The working principle of the I GBT driving fault detection device provided by the utility model is as follows:

the first step: when the device is carried, a user carries out the whole device with the braces through the shoulder straps 3, the carrying mode is more labor-saving and convenient for the hand-held type, the shoulder straps 3 are limited and fixed through the buckles 10, so that the length adjustment of the shoulder straps 3 can be realized, the use requirements of different users are met, the user can put maintenance tools into the tool box 12, and then the tool box 12 is clamped into the grooves on the side face of the fixed plate 2 in a sliding mode.

And a second step of: when the device is used, the fixing plate 2 can be carried to the front side of a user, meanwhile, the equipment cabin 1 is pulled down through the adjusting limiting mechanism 5, then the equipment cabin 1 is rotated ninety degrees, the supporting rod 7 on the front side of the fixing plate 2 is taken out and clamped into the outer side of the positioning rod 8 at the bottom of the equipment cabin 1, at the moment, the equipment cabin 1 is fixed, then the display screen 4 of the equipment cabin 1 is rotated and opened, and at the moment, the display screen 4 is positioned right in front of the user, so that the movement detection of the user is facilitated.

Compared with the related art, the I GBT driving fault detection device provided by the utility model has the following beneficial effects: through being provided with fixed plate 2, equipment compartment 1 rotation is fixed in the rear side of fixed plate 2, the baldric 3 of fixed plate 2 rear side makes the user carry in the braces formula, equipment compartment 1 can be with its braces in the place ahead of user when using through stop gear 5 is fixed, thereby realize removing and carry the detection, make the device have portable and use convenient advantage, comfort level when can improving the user braces through setting up protection pad 9, baldric 3 can make its length freely adjustable through buckle 10 is fixed, thereby satisfy different user's user demand, can shelter from the jack of equipment compartment 1 side through setting up apron 11, thereby realize the dustproof processing of equipment compartment 1 jack.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (6)

1. The utility model provides an IGBT drive fault detection device, includes equipment compartment (1) and fixed plate (2), its characterized in that: the rear side of fixed plate (2) is fixed with baldric (3), the upside rotation of equipment compartment (1) is fixed with display screen (4), spout and slip embedded stop gear (5) have all been seted up to the left and right sides of fixed plate (2), the outside of stop gear (5) is fixed with connecting block (6), articulated linking to each other between the other end of connecting block (6) and equipment compartment (1), the front side rotation of fixed plate (2) is fixed with bracing piece (7), the bottom of equipment compartment (1) is fixed with locating lever (8), the arc draw-in groove with locating lever (8) diameter looks adaptation is seted up to the front end of bracing piece (7), movable grafting between bracing piece (7) and the locating lever (8).

2. The IGBT driving fault detection device according to claim 1, characterized in that the limit mechanism (5) comprises a slider (51), a spring (52), a limit block (53) and a clamping block (54), the slider (51) is slidingly embedded in a chute on the side of the fixed plate (2), a groove is formed in the slider (51), the spring (52) is fixedly arranged in the groove, the limit block (53) is slidingly embedded in the groove of the slider (51) and fixedly connected with the spring (52), the clamping block (54) is fixedly arranged on the outer side of the limit block (53), and a clamping groove matched with the size of the clamping block (54) is formed in the inner wall of the chute of the equipment compartment (1).

3. The IGBT driving failure detection device according to claim 1, wherein a protection pad (9) is fixed on the rear side of the fixing plate (2), the surface of the protection pad (9) is leather and the inside is filled with sponge, and the shoulder strap (3) is fixed on the upper and lower sides of the fixing plate (2) and is limited and fixed by a buckle (10).

4. The IGBT driving fault detection device according to claim 1, wherein a chute is provided on a side surface of the equipment compartment (1) and a cover plate (11) is slidably fixed, an insertion hole is provided on an inner side of the cover plate (11), and the cover plate (11) is fixed by magnet attraction.

5. The IGBT driving fault detection device according to claim 1, wherein the left and right sides of the fixing plate (2) are both provided with grooves and are slidably fixed with a tool box (12), and the tool box (12) is a pull-type embedded.

6. The IGBT drive failure detection device according to claim 1, wherein a placement groove with a length adapted to the support bar (7) is provided on the front side of the fixing plate (2).