CN219178138U

CN219178138U - Vacuum drying oven for power module production

Info

Publication number: CN219178138U
Application number: CN202223279864.0U
Authority: CN
Inventors: 李承浩; 高峰; 金恩泽; 胡县中; 缪新海
Original assignee: Suzhou Tongguan Microelectronics Co ltd
Current assignee: Suzhou Tongguan Microelectronics Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-06-13
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a vacuum drying box for power module production, which relates to the technical field of power module production equipment, and comprises a box body of the vacuum drying box for power module production and a placing plate arranged on the box body and used for supporting the placement of the power modules, wherein a drying device is arranged on the box body and used for drying the power modules placed on the placing plate, the drying device comprises an air inlet pipe penetrating through the bottom end of the box body and the placing plate, and a hot air blower used for inputting hot air into the air inlet pipe is arranged on the air inlet pipe, so that falling water vapor can be adsorbed, the drying of the modules is prevented from being influenced by falling water vapor, the drying effect is improved, the drying box is suitable for various conditions, the vapor generated by drying can be filtered, the influence of direct discharge on the environment is avoided, and a filter element can be quickly installed.

Description

Vacuum drying oven for power module production

Technical Field

The utility model relates to the technical field of power module production equipment, in particular to a vacuum drying oven for power module production.

Background

The power module is a module which is prepared by encapsulating power electronic devices according to certain functional combination. The utility model discloses a power module production time need carry out dry treatment many times, and power module drying mode is including inhaling dry-type, blow dry-type etc. current power module weathers equipment, fails to adsorb the processing to the steam of whereabouts, influences the drying effect of module, and vapor filtration's filter core is inconvenient to install, has influenced work efficiency.

In the prior art, the falling water vapor can not be adsorbed, the falling water vapor influences the drying efficiency of the module, the drying effect is influenced, the drying effect is not suitable for various conditions, most of the drying water vapor can not be filtered, direct discharge is easy to influence the environment, equipment is required to be opened, then filter element fixing parts are removed, then filter elements are taken out, the filter elements clamped into the equipment are inconvenient to take out, and the filter elements which can not be used for filtering the steam can not be quickly installed are caused.

Disclosure of Invention

The utility model aims to provide a vacuum drying oven for power module production, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a vacuum drying cabinet is used in power module production, includes the box of vacuum drying cabinet is used in the power module production and establishes the board of placing that is used for supporting the power module and put on the box, be equipped with drying device on the box, drying device is used for carrying out drying process to the power module of placing on the board, drying device is including the intake pipe that runs through the bottom half and place the board, be equipped with the air heater that is used for to the hot air of the interior input gas of intake pipe in the intake pipe, be equipped with on the intake pipe lateral wall of air heater top and be used for to placing the board on the air outlet that power module ventilated, the gas outlet below is equipped with the dry package that is used for adsorbing the power module and falls steam when the drying, the dry package is established in the backup pad.

Preferably, the box body is connected with a filtering device, and the filtering device is used for generating rising steam when filtering the drying power module.

Preferably, the filter device comprises an air outlet pipe penetrating through the box body, the outer end of the air outlet pipe is communicated with the fixing seat, a filter element for filtering sundries in water vapor is inserted into the bottom end of the fixing seat, a limiting plate for supporting the filter element is arranged at the lower end of the filter element in a moving mode, and the limiting plate is connected to the fixing plate in a sliding clamping mode and is used for moving and separating the filter element.

Preferably, the top end of the air inlet pipe is connected with the top end in the box body, the outer wall of one side of the air inlet pipe is close to the inner wall of the box body, and the length of the air inlet pipe is larger than the height of the box body.

Preferably, the air heater is used for generating hot air to blow to one end of the air inlet pipe, which faces the box body, and the air outlet is arranged on the air inlet pipe far away from the inner wall of the box body.

Preferably, the drying bag and the supporting plate are of concave structures, and the notch parts of the drying bag and the supporting plate are used for penetrating through the air inlet pipe.

Preferably, the air outlet pipe is arranged on the box body above each group of placing plates, the air outlet pipe is used for collecting steam above the placing plates, the fixing seat is of a hollow cylindrical structure, and the upper end of the fixing seat is provided with an isolation net for limiting the filter element to move upwards.

Preferably, the length of the limiting plate is greater than or equal to the diameter of the filter element, the length of the fixing plate is less than or equal to the distance between the fixing seat and the box body, and the fixing plate is arranged on the outer wall of the box body.

Compared with the prior art, the utility model has the beneficial effects that:

1. firstly put the power module that needs drying on placing the board, then start the air heater, the air heater produces steam and blows in to the intake pipe, then blow to placing the module on the board through the gas outlet discharge, carry out drying treatment to the module, the steam that produces during the drying upwards moves, partial steam drops downwards, drop to the drying package through placing the mesh on the board, the drying package adsorbs the steam that drops for can adsorb the steam that drops, avoid falling into water the steam and influence the drying of module, drying effect has been improved, make can be applicable to multiple condition.

2. Insert the filter core by the fixing base lower extreme, then promote the limiting plate and slide on the fixed plate, slide to the filter core under, restriction filter core slides down, remove and support the filter core, the steam that dry module produced gets into the fixing base through the outlet duct, get into the filter core by the fixing base, filter when steam passes the filter core, the filter core is with debris restriction in the steam in the filter core outside, upwards discharge in the filter core is passed through to the steam after the filtration for can filter the steam that the drying produced, avoid direct emission to cause the influence to the environment, make can install the filter core fast.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram showing the structure of a dryer according to the present utility model;

fig. 3 is an enlarged view of fig. 1 at a in accordance with the present utility model.

In the figure: 1. a case; 2. placing a plate; 3. a drying device; 31. an air inlet pipe; 32. an air heater; 33. an air outlet; 34. drying the bag; 35. a support plate; 4. a filtering device; 41. an air outlet pipe; 42. a fixing seat; 43. a filter element; 44. a limiting plate; 45. and a fixing plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a vacuum drying cabinet is used in power module production, including the box 1 of vacuum drying cabinet is used in the power module production and establish the board 2 of placing that is used for supporting the power module and put on box 1, be equipped with drying device 3 on box 1, drying device 3 is used for carrying out drying process to the power module of placing on board 2, drying device 3 is including the intake pipe 31 that runs through box 1 bottom and place board 2, be equipped with the air heater 32 that is used for importing steam into intake pipe 31 in the intake pipe 31, be equipped with the gas outlet 33 that is used for ventilating to placing the power module on board 2 on the intake pipe 31 lateral wall of air heater 32 top, be equipped with the drying package 34 that is used for adsorbing the power module whereabouts steam when drying below gas outlet 33, drying package 34 is established on backup pad 35, the top of intake pipe 31 is connected on box 1, intake pipe 31 one side outer wall is close to box 1 inner wall, intake pipe 31 length is greater than the height of box 1, air heater 32 is used for producing hot-blast (or normal atmospheric temperature wind) and blows to intake pipe 31 towards box 1 one end, gas outlet 33 is established on the intake pipe 31 that keeps away from box 1 inner wall, drying package 34 and backup pad 35 are concave shape structure, drying package 34 and backup pad 35 are the recess is used for crossing in the backup pad 31.

Firstly, put the power module that needs drying on placing board 2, then start air heater 32, air heater 32 produces steam and blows in to intake pipe 31, then blow to placing board 2 on the module through gas outlet 33 discharge, carry out drying treatment to the module, the steam that produces during the drying upwards moves, partial steam drops downwards, fall to drying bag 34 through placing board 2 upper mesh, drying bag 34 adsorbs the steam that falls for can adsorb the steam that falls, avoid falling into water the steam and influence the drying of module, drying effect has been improved, make can be applicable to multiple condition.

The box 1 is connected with a filter device 4, the filter device 4 is used for producing ascending steam when filtering the dry power module, the filter device 4 is including the outlet duct 41 that runs through the box 1, outlet duct 41 outer end intercommunication fixing base 42, the filter core 43 that is arranged in filtering debris in the steam has been inserted to the fixing base 42 bottom, filter core 43 lower extreme removal is equipped with the limiting plate 44 that is used for supporting filter core 43, limiting plate 44 sliding joint is used for removing on fixed plate 45 and separating with filter core 44, outlet duct 41 is established on the box 1 of every group place board 2 top, outlet duct 41 is used for collecting the steam of placing board 2 top, fixing base 42 is hollow cylindrical structure, the fixing base 42 upper end is equipped with the spacing net restriction filter core 43 and upwards moves, limiting plate 44 length is greater than or equal to filter core 43's diameter, the length of fixed plate 45 is less than or equal to the interval of fixing base 42 and box 1, fixed plate 45 is established on the outer wall of box 1.

Insert filter core 43 by fixing base 42 lower extreme, then promote limiting plate 44 and slide on fixed plate 45, slide to filter core 43 under, restriction filter core 43 slides downwards, remove and support filter core 43, the steam that the drying module produced (ascending steam)) gets into fixing base 42 through outlet duct 42, get into filter core 43 by fixing base 42, filter when steam passes filter core 43, filter core 43 restricts debris in the steam in the filter core 43 outside, the steam after the filtration is upwards discharged through filter core 43, make can filter the steam that the drying produced, avoid direct emission to cause the influence to the environment, make can install the filter core fast.

Working principle: according to the utility model, firstly, a power module to be dried is placed on the placing plate 2, then the air heater 32 is started, hot air generated by the air heater 32 is blown into the air inlet pipe 31, then the hot air is discharged through the air outlet 33 and blown to the module on the placing plate 2, the module is dried, steam generated during drying moves upwards, part of the steam falls downwards, the steam falls onto the drying bag 34 through meshes on the placing plate 2, the drying bag 34 adsorbs the falling steam, so that the falling steam can be adsorbed, the drying of the module is prevented from being influenced by falling steam, the drying effect is improved, the filter element 43 can be suitable for various conditions, the lower end of the fixing seat 42 is inserted, then the limiting plate 44 is pushed to slide on the fixing plate 45, the filter element 43 is limited to slide downwards, the filter element 43 is supported by the movement, the steam generated by the drying module enters the fixing seat 42 through the air outlet pipe 42, the filter element 43 is filtered when the steam passes through the filter element 43, sundries in the steam are limited on the outer side of the filter element 43, the filtered steam is discharged upwards through the filter element 43, the filter element 43 can be filtered, the produced steam can be filtered, the environment can be prevented from being influenced by the direct installation of the filter element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a vacuum drying oven is used in power module production, includes box (1) of vacuum drying oven is used in power module production and establishes on box (1) and be used for supporting placing board (2) that power module put, its characterized in that: be equipped with drying device (3) on box (1), drying device (3) are used for carrying out drying treatment to placing power module on board (2), drying device (3) are including intake pipe (31) that run through box (1) bottom and place board (2), be equipped with on intake pipe (31) be used for to intake pipe (31) in hot air heater (32), be equipped with on intake pipe (31) lateral wall of hot air heater (32) top be used for to placing board (2) on power module venthole (33), gas outlet (33) below is equipped with and is used for adsorbing power module falling steam's when drying package (34), drying package (34) are established in backup pad (35).

2. The vacuum drying oven for power module production according to claim 1, wherein: the box body (1) is connected with a filtering device (4), and the filtering device (4) is used for generating rising steam when filtering the drying power module.

3. The vacuum drying oven for power module production according to claim 2, wherein: the filter device is characterized in that the filter device (4) comprises an air outlet pipe (41) penetrating through the box body (1), the outer end of the air outlet pipe (41) is communicated with a fixed seat (42), a filter element (43) used for filtering sundries in water vapor is inserted into the bottom end of the fixed seat (42), a limiting plate (44) used for supporting the filter element (43) is arranged at the lower end of the filter element (43) in a moving mode, and the limiting plate (44) is slidably clamped on a fixed plate (45) and used for moving and separating from the filter element (43).

4. The vacuum drying oven for power module production according to claim 1, wherein: the top of the air inlet pipe (31) is connected with the inner top of the box body (1), the outer wall of one side of the air inlet pipe (31) is close to the inner wall of the box body (1), and the length of the air inlet pipe (31) is larger than the height of the box body (1).

5. The vacuum drying oven for power module production according to claim 1, wherein: the hot air blower (32) is used for generating hot air to blow to one end of the air inlet pipe (31) towards the box body (1), and the air outlet (33) is arranged on the air inlet pipe (31) far away from the inner wall of the box body (1).

6. The vacuum drying oven for power module production according to claim 1, wherein: the drying bag (34) and the supporting plate (35) are of concave structures, and the notches of the drying bag (34) and the supporting plate (35) are used for penetrating through the air inlet pipe (31).

7. A vacuum drying oven for power module production according to claim 3, wherein: the utility model discloses a filter cartridge, including board (2) is placed in the top, box (1) is placed in board (2) top is placed in every group, outlet duct (41) are used for collecting the steam of placing board (2) top, fixing base (42) are hollow cylindrical structure, fixing base (42) upper end is equipped with isolation net restriction filter core (43) upward movement.

8. A vacuum drying oven for power module production according to claim 3, wherein: the length of the limiting plate (44) is greater than or equal to the diameter of the filter element (43), the length of the fixing plate (45) is less than or equal to the distance between the fixing seat (42) and the box body (1), and the fixing plate (45) is arranged on the outer wall of the box body (1).