CN210928216U - Power electronic module with anti-stress structure - Google Patents

Abstract

The utility model discloses a power electronic module who has anti stress structure relates to the electronic module field, for solving the current problem that the intensity of power electronic module shell is not enough among the prior art. The utility model discloses a module, including electronic module shell, module mounting panel, wiring module shell, circuit board mounting groove, connection copper plate, module screw hole, module gusset plate connecting hole, the up end of module gusset plate is provided with spacing parting bead, the up end of module mounting panel is provided with the mounting panel sand grip, the inside of electronic module shell is provided with the reinforcement support bar, the outside of electronic module shell is provided with module shell breach, the outside of electronic module shell is provided with wiring module shell, the inside of electronic module shell is provided with the circuit board mounting groove, the connection copper plate is installed to the upper end of wiring module shell, the inside of connecting the copper plate is provided with the copper screw hole, the module gusset plate is installed to.

Description

Power electronic module with anti-stress structure

Technical Field

The utility model relates to an electronic module technical field specifically is a power electronic module who has anti stress structure.

Background

The power electronic module is equipment taking a power electronic device as a main functional element, and comprises a converter, an electronic switch and an electronic alternating current power controller, wherein the power electronic module mainly refers to a resistor, the temperature of the resistor is related to the form, the size, the power consumption, the installation position and the mode and the ambient temperature, the heat radiation is generally realized through radiation, convection and metal heat conduction at two ends of an outgoing line, and under the normal ambient temperature, the experiment shows that for the carbon film resistance with the power of less than 0.5W, the heat dissipated through conduction accounts for 50 percent, the convection heat dissipation accounts for 40 percent, the radiation heat dissipation accounts for 10 percent, a transformer, an iron core and a coil are heat sources of the transformer, the conduction is a main heat transfer path in the transformer, therefore, the iron core and a bracket are required to be carefully processed, the bracket and a fixed surface are in good contact, the thermal resistance of the bracket is minimum, and meanwhile, the surface of the transformer is coated with matt black paint to enhance radiation and heat dissipation.

The shell of the electronic equipment is an important heat transfer link for receiving the heat inside the equipment and dissipating the heat to the surrounding environment through the shell, the design of the shell is particularly important in the electronic equipment adopting natural heat dissipation and some closed electronic equipment, but the shell of the conventional power electronic module has insufficient strength and cannot adapt to special environments; therefore, the market is urgently in need of developing a power electronic module with a stress-resistant structure to help people to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power electronic module who has anti stress structure to solve the current power electronic module shell's that provides among the above-mentioned background art problem that intensity is not enough.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a power electronic module who has anti stress structure, includes the electronic module shell, the module mounting panel is installed to the up end of electronic module shell, the up end of module mounting panel is provided with the mounting panel sand grip, and the mounting panel sand grip is provided with a plurality of, and a plurality of mounting panel sand grip all sets up structure as an organic whole with the module mounting panel, the inside of electronic module shell is provided with the reinforcement support bar, and consolidates the support bar and set up structure as an organic whole with the electronic module shell.

Preferably, the inside of module mounting panel is provided with the mounting panel screw hole, and the mounting panel screw hole is provided with four, the inside of electronic module shell is provided with module shell screw hole, and module mounting panel and electronic module shell all through module shell screw hole and mounting panel screw hole threaded connection, the outside of electronic module shell is provided with module shell breach, and module shell breach and electronic module shell set up structure as an organic whole.

Preferably, the outside of electronic module shell is provided with the wiring module shell, and the wiring module shell is provided with six, and six wiring module shells all set up structure as an organic whole with the electronic module shell, one side of wiring module shell is provided with the wiring module breach, the inside of electronic module shell is provided with the circuit board mounting groove, and circuit board mounting groove sets up structure as an organic whole with the electronic module shell.

Preferably, the connection copper plate is installed to the upper end of wiring module shell, and connects the copper and extend to inside and wiring module shell fixed connection of wiring module shell, the inside of connecting the copper is provided with the copper screw hole, and the copper screw hole sets up structure as an organic whole with the connection copper plate.

Preferably, the module gusset plate is installed to the lower terminal surface of electronic module shell, the up end of module gusset plate is provided with the gusset plate connecting hole, and the gusset plate connecting hole is provided with four, and four equal module gusset plates of gusset plate connecting hole set up structure as an organic whole.

Preferably, the upper end face of the module reinforcing plate is provided with a limiting partition strip, the limiting partition strip and the module reinforcing plate are arranged into an integral structure, the limiting partition strip is attached to the electronic module shell, the upper end face of the module reinforcing plate is provided with a reinforcing plate threaded hole, and the module reinforcing plate is in threaded connection with the electronic module shell through the reinforcing plate threaded hole.

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

1. the utility model adopts the arrangement of the module reinforcing plate, when the electronic module shell is installed, the electronic module shell can be clamped into the upper end surface of the module reinforcing plate through the reinforcing plate threaded holes and the spacing parting beads, after the electronic module shell is fixed, the electronic module shell can be installed and fixed through the module reinforcing plate, the material of the module reinforcing plate is made of metal, the pressure bearing capacity of the module reinforcing plate is far larger than that of the heat dissipation material adopted by the electronic module shell, the module shell gap at the outer side of the electronic module shell can facilitate the spacing fixation of the module reinforcing plate, when the electronic module shell is subjected to external force, the electronic module shell is supported through the reinforcing support bar inside the electronic module shell, the direction of the reinforcing support bar is vertically fixed with the circuit board mounting groove, thereby the circuit board mounting groove keeps the stability of the internal circuit board in work and installation, and the, the anti-stress performance of the electronic module shell is better, and the strength of the electronic module shell is improved.

2. The utility model discloses a through the setting of module mounting panel, the module mounting panel of terminal surface mounting on the electronic module shell can support the shell in the electronic module shell outside, and the mounting panel sand grip can make the up end of electronic module shell have the clearance with the contact point to can make the pressure dispersion of contact, make the electronic module shell in long-time work, stability is better.

Drawings

Fig. 1 is an overall schematic view of a power electronic module with a stress-resistant structure according to the present invention;

fig. 2 is an internal structural view of the electronic module housing of the present invention;

fig. 3 is a schematic structural diagram of the module reinforcing plate of the present invention.

In the figure: 1. an electronic module housing; 2. a module mounting plate; 3. mounting plate threaded holes; 4. mounting plate convex strips; 5. a module housing notch; 6. a wiring module housing; 7. connecting a copper plate; 8. a copper plate threaded hole; 9. a module reinforcing plate; 10. a reinforcing plate connecting hole; 11. a wiring module gap; 12. a module housing threaded bore; 13. reinforcing the supporting bars; 14. a circuit board mounting groove; 15. reinforcing plate screw holes; 16. and limiting the division bars.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a power electronic module who has anti stress structure, including electronic module shell 1, module mounting panel 2 is installed to electronic module shell 1's up end, module mounting panel 2's up end is provided with mounting panel sand grip 4, and mounting panel sand grip 4 is provided with a plurality of, a plurality of mounting panel sand grip 4 all sets up structure as an organic whole with module mounting panel 2, electronic module shell 1's inside is provided with consolidates support bar 13, and consolidate support bar 13 and electronic module shell 1 and set up structure as an organic whole, support electronic module shell 1 through electronic module shell 1 inside consolidates support bar 13, the position of consolidating support bar 13 all keeps the vertical fixation with circuit board mounting groove 14, thereby make circuit board mounting groove 14 keep inside circuit board stable in work and installation.

Further, the inside of module mounting panel 2 is provided with mounting panel screw hole 3, and mounting panel screw hole 3 is provided with four, the inside of electronic module shell 1 is provided with module shell screw hole 12, and module mounting panel 2 all passes through module shell screw hole 12 and 3 threaded connection of mounting panel screw hole with electronic module shell 1, the outside of electronic module shell 1 is provided with module shell breach 5, and module shell breach 5 sets up structure as an organic whole with electronic module shell 1, carry out spacing fixedly through making things convenient for module gusset plate 9.

Further, the outside of electronic module shell 1 is provided with wiring module shell 6, and wiring module shell 6 is provided with six, six wiring module shells 6 all set up structure as an organic whole with electronic module shell 1, one side of wiring module shell 6 is provided with wiring module breach 11, the inside of electronic module shell 1 is provided with circuit board mounting groove 14, and circuit board mounting groove 14 sets up structure as an organic whole with electronic module shell 1, can carry out circuit connection to electronic module shell 1 through wiring module shell 6.

Further, connection copper 7 is installed to the upper end of wiring module shell 6, and connects copper 7 and extend to wiring module shell 6 inside and wiring module shell 6 fixed connection, and the inside of connecting copper 7 is provided with copper screw hole 8, and copper screw hole 8 sets up structure as an organic whole with connecting copper 7, makes the contact point of circuit more through connecting copper 7, improves the stability of circuit connection.

Further, module gusset plate 9 is installed to the lower terminal surface of electronic module shell 1, and the up end of module gusset plate 9 is provided with gusset plate connecting hole 10, and gusset plate connecting hole 10 is provided with four, and four gusset plate connecting holes 10 all module gusset plates 9 set up to structure as an organic whole, can fix module gusset plate 9 through gusset plate connecting hole 10, conveniently install.

Further, the upper end face of module gusset plate 9 is provided with spacing division bar 16, and spacing division bar 16 sets up structure as an organic whole with module gusset plate 9, and spacing division bar 16 and the laminating of electronic module shell 1, and the upper end face of module gusset plate 9 is provided with gusset plate screw hole 15, and module gusset plate 9 passes through gusset plate screw hole 15 and electronic module shell 1 threaded connection, blocks into the upper end face of module gusset plate 9 through gusset plate screw hole 15 and spacing division bar 16, and is convenient fixed.

The working principle is as follows: when the electronic module casing 1 is used, the module mounting plate 2 is fixed with the electronic module casing 1 through the mounting plate threaded hole 3 by fixing screws, the module mounting plate 2 arranged on the upper end surface of the electronic module casing 1 can support the casing on the outer side of the electronic module casing 1, the mounting plate raised lines 4 can enable the upper end surface of the electronic module casing 1 to have a gap with a contact point, when the electronic module casing 1 is arranged, the electronic module casing 1 can be clamped into the upper end surface of the module reinforcing plate 9 through the reinforcing plate threaded hole 15 and the limiting spacing bars 16, after the electronic module casing is fixed, the electronic module casing can be arranged and fixed through the module reinforcing plate 9, the material of the module reinforcing plate 9 is made of metal, the pressure bearing capacity of the module reinforcing plate is far larger than that of a heat dissipation material adopted by the electronic module casing 1, and the module casing gap 5 on the outer side of the electronic module casing 1 can facilitate the, when the electronic module case 1 receives an external force, the electronic module case 1 is supported by the reinforcing support bars 13 inside the electronic module case 1, and the directions of the reinforcing support bars 13 are all vertically fixed to the circuit board mounting grooves 14, so that the circuit board mounting grooves 14 keep the internal circuit boards stable in operation and installation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A power electronic module with a stress-resistant structure, comprising an electronic module housing (1), characterized in that: module mounting panel (2) are installed to the up end of electronic module shell (1), the up end of module mounting panel (2) is provided with mounting panel sand grip (4), and mounting panel sand grip (4) are provided with a plurality of, and a plurality of mounting panel sand grip (4) all set up structure as an organic whole with module mounting panel (2), the inside of electronic module shell (1) is provided with consolidates support bar (13), and consolidates support bar (13) and sets up structure as an organic whole with electronic module shell (1).

2. A power electronic module having a stress-resistant structure according to claim 1, wherein: the inside of module mounting panel (2) is provided with mounting panel screw hole (3), and mounting panel screw hole (3) are provided with four, the inside of electronic module shell (1) is provided with module shell screw hole (12), and module mounting panel (2) all through module shell screw hole (12) and mounting panel screw hole (3) threaded connection with electronic module shell (1), the outside of electronic module shell (1) is provided with module shell breach (5), and module shell breach (5) set up structure as an organic whole with electronic module shell (1).

3. A power electronic module having a stress-resistant structure according to claim 2, wherein: the outside of electronic module shell (1) is provided with wiring module shell (6), and wiring module shell (6) are provided with six, and six wiring module shells (6) all set up structure as an organic whole with electronic module shell (1), one side of wiring module shell (6) is provided with wiring module breach (11), the inside of electronic module shell (1) is provided with circuit board mounting groove (14), and circuit board mounting groove (14) set up structure as an organic whole with electronic module shell (1).

4. A power electronic module having a stress-resistant structure according to claim 3, wherein: connection copper (7) are installed to the upper end of wiring module shell (6), and connect copper (7) and extend to wiring module shell (6) inside and wiring module shell (6) fixed connection, the inside of connecting copper (7) is provided with copper screw hole (8), and copper screw hole (8) set up structure as an organic whole with connection copper (7).

5. A power electronic module having a stress-resistant structure according to claim 1, wherein: the module reinforcing plate (9) is installed to the lower terminal surface of electronic module shell (1), the up end of module reinforcing plate (9) is provided with reinforcing plate connecting hole (10), and reinforcing plate connecting hole (10) are provided with four, and four reinforcing plate connecting holes (10) are all module reinforcing plate (9) and set up as an organic whole structure.

6. A power electronic module with a stress-resistant structure according to claim 5, characterized in that: the module reinforcing plate structure is characterized in that a limiting spacing strip (16) is arranged on the upper end face of the module reinforcing plate (9), the limiting spacing strip (16) and the module reinforcing plate (9) are arranged to be of an integrated structure, the limiting spacing strip (16) is attached to the electronic module shell (1), a reinforcing plate threaded hole (15) is formed in the upper end face of the module reinforcing plate (9), and the module reinforcing plate (9) is in threaded connection with the electronic module shell (1) through the reinforcing plate threaded hole (15).

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