CN212115138U - High life converter for boats and ships - Google Patents
High life converter for boats and ships Download PDFInfo
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- CN212115138U CN212115138U CN202021056224.1U CN202021056224U CN212115138U CN 212115138 U CN212115138 U CN 212115138U CN 202021056224 U CN202021056224 U CN 202021056224U CN 212115138 U CN212115138 U CN 212115138U
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- heat dissipation
- dust cover
- shell
- circuit board
- seat
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Abstract
The utility model discloses a high life converter for boats and ships, include: the shell is a frame structure with the top and the bottom opened, and a circuit board and a capacitor assembly are accommodated in the frame structure; the dust cover is a cavity structure with an open bottom, the bottom of the dust cover is connected with the top of the shell, the cavity structure is communicated with the inner cavity space of the shell, and a plurality of air inlets are formed in the outer peripheral wall of the bottom of the dust cover in a penetrating mode; the heat dissipation seat is connected to the bottom of the shell, the bottom of the heat dissipation seat is open, the upper surface of the top of the heat dissipation seat is longitudinally provided with a plurality of through holes, and the outer peripheral wall of the heat dissipation seat is provided with a plurality of air outlets; the extending end of the conductive bus bar penetrates through the through hole and extends to be arranged at the bottom of the heat radiating seat; the air inlet and the air outlet are communicated to form a heat dissipation channel, the circuit board and the capacitor assembly are arranged in the inner space of the heat dissipation channel, and the extending end of the conductive busbar extends out of the bottom of the shell for a certain distance. The utility model discloses can effectively cool down to heating element, improve the operational environment temperature in the converter, prolong the life of converter.
Description
Technical Field
The utility model relates to a boats and ships equipment field, concretely relates to high life converter for boats and ships.
Background
Due to the great superiority of the frequency converter technology, the frequency converter is applied to the ship more and more generally in industry, and meanwhile, with the development of modern ship industry and different technical requirements of main electric loads on the ship, the frequency converter is widely applied to the ship. The frequency converter is a device for converting a power frequency power supply (50 HZ or 60 HZ) into an alternating current power supply with the frequency of 0-400 HZ so as to realize the variable-speed operation of the motor, can form a complete transmission system together with a three-phase alternating current motor and a speed reducing mechanism, can improve the running characteristic of the motor after the ship is optimized by the frequency converter technology, and has the advantages of high efficiency and energy saving.
When boats and ships navigate, the converter also lasts and is in high load operating condition, converter equipment power is great simultaneously, if the operational environment temperature problem in timely effectual solution converter inner chamber space can not, will directly influence the stability of the operation of converter body, especially electric capacity in the converter, if the electric capacity heat dissipation is untimely, cause the electric capacity inefficacy easily, it is easy to explode because of the radiating efficiency is not good when serious, thereby directly influence the life of converter, endanger staff's life safety even.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at solve for boats and ships among the prior art converter radiating efficiency poor, two problems that lead to the reduction of converter life-span of key components and parts became invalid easily to a high life-span converter is used to boats and ships is provided.
In order to achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a high-life inverter for a ship, including:
the shell is a frame structure with the top and the bottom opened, and a circuit board and a capacitor assembly are accommodated in the frame structure;
the dust cover is of a cavity structure with an open bottom, the bottom of the dust cover is connected with the top of the shell, the cavity structure is communicated with the inner cavity space of the shell, and a plurality of air inlets are formed in the outer peripheral wall of the bottom of the dust cover in a penetrating mode;
the heat dissipation seat is connected to the bottom of the shell, the bottom of the heat dissipation seat is open, a plurality of through holes are longitudinally formed in the upper surface of the top of the heat dissipation seat, and a plurality of air outlets are formed in the peripheral wall of the heat dissipation seat;
the connecting end of the conductive bus bar is electrically connected with the component, and the extending end of the conductive bus bar penetrates through the through hole and extends to be arranged at the bottom of the heat radiating seat;
the air inlet and the air outlet are communicated to form a heat dissipation channel, the circuit board and the capacitor assembly are arranged in the inner space of the heat dissipation channel, and the extending end of the conductive busbar extends out of the bottom of the shell for a certain distance.
Preferably, the dust cover and the heat dissipation seat are arranged oppositely, the circuit board is transversely and fixedly installed on the upper surface of the top of the heat dissipation seat, a plurality of third heat dissipation holes are formed in the upper surface of the top of the heat dissipation seat in the periphery of the circuit board in a penetrating mode, and the air inlet is communicated with the air outlet through the third heat dissipation holes to form the heat dissipation channel.
Preferably, the side wall of the housing at the position corresponding to the capacitor assembly is provided with a plurality of first heat dissipation holes.
Preferably, the extending end of the conductive busbar is vertically connected with the plurality of wiring terminal blocks, and the wiring terminal blocks transversely extend out of the front side of the shell for a certain distance.
Preferably, the cross-sectional dimension of the dust cover is identical to the cross-sectional dimension of the housing, the dust cover covers the housing, the outer wall of the front side of the dust cover coincides with the inner wall of the front side of the housing, and the inner wall of the back side of the dust cover coincides with the outer wall of the back side of the housing.
Preferably, the rear side wall of dust cover bottom is provided with the installation department to longitudinal extension downwards, be provided with the screw on the installation department, the dust cover passes through bolted connection fixed mounting and is in the dorsal part of casing.
Preferably, the circuit board bottom fixedly connected with heating panel, the protrusion is equipped with a plurality of spliced poles on the heating panel, the circuit board passes through the spliced pole with heating panel fixed connection, the heating panel subsides are established the upper surface of radiating seat.
Preferably, the capacitor assembly comprises a plurality of capacitors arranged at intervals in the longitudinal direction and a mounting rack for fixing the capacitors, and the capacitor assembly is fixedly mounted on the shell through the mounting rack.
Preferably, the front side below of casing is connected with and is used for holding the protecting crust of binding post row, the protecting crust sets up the extension end of binding post row, the bottom of protecting crust with the bottom parallel and level of radiating seat.
Preferably, the bottom of the protective shell is open, a protective cover plate is arranged at the top of the protective shell, and second heat dissipation holes are formed in the peripheral wall of the protective shell.
The utility model discloses at least, include following beneficial effect:
1. the shell of the frequency converter is of a frame structure with open top and bottom, the top of the shell is connected with a dust cover, the bottom of the dust cover is open and communicated with the inner cavity space of the shell, the peripheral wall of the dust cover is provided with an air inlet in a penetrating way, the bottom of the shell is longitudinally connected with a heat dissipation seat with open bottom, two side walls of the heat dissipation seat are provided with a plurality of air outlets, the air inlet is communicated with the air outlets to form a heat dissipation channel, a circuit board and a capacitor assembly are arranged in the inner space of the heat dissipation channel, when the frequency converter works, cold air sequentially enters the cavity of the dust cover and the inner cavity space of the shell from the air inlet at the top of the shell, so that the ambient temperature in the shell is reduced, the rapid heat dissipation of capacitors is facilitated, meanwhile, the mixed hot air can be conducted to, on the other hand, hot air flows to the inner cavity space of the heat dissipation seat through the third heat dissipation hole, the mixed hot air is discharged through the air outlet, the temperature of the capacitor assembly can be effectively reduced through the heat dissipation channel, and the heat dissipation efficiency of the frequency converter is improved.
2. Electrically conductive female extension of arranging in the converter sets up in the inner chamber space of radiating seat, its extension end stretches out the bottom certain distance of casing, furthest sets up heating element in the outside of casing, the heat in the casing has been reduced, and binding post row then extends the casing front side certain distance, the horizontal fixed mounting of circuit board is at the top upper surface of radiating seat, capacitor assembly sets up in radiating channel's inner space, and seted up a plurality of first louvres on the casing lateral wall of capacitor assembly relative position department, each heating element subregion overall arrangement is in the converter, radiating channel through on self heat radiation structure and the converter, louvre synergism, can effectively reduce the operational environment temperature of electric capacity, the radiating efficiency is improved, thereby the life of converter has been prolonged.
3. Because of the open casing top of converter, in order to prevent that dust and impurity from getting into the converter, set up the dust cover to the dustproof performance of converter has been improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic diagram of an external structure of a frequency converter;
fig. 2 is a schematic structural view of a terminal block;
FIG. 3 is a schematic diagram of the internal structure of the frequency converter;
FIG. 4 is a schematic view of the internal structure of the housing;
FIG. 5 is a schematic view of a dust cover;
fig. 6 is a schematic structural diagram of the circuit board.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
The utility model provides a high life converter is used to boats and ships, figure 1~6 show according to the utility model discloses a realize the form, include: casing 1, dust cover 2, radiator support 3, electrically conductive female arranging 4, binding post row 5, circuit board 6, capacitor assembly 7 and protecting crust 8, casing 1 is the open frame construction in top and bottom, 1 top of casing is connected with dust cover 2, 2 bottom of dust cover open and with the inner chamber space intercommunication of casing 1, it has seted up a plurality of air intakes 21 to run through on the dust cover 2 perisporium, casing 1's bottom vertically links up an open radiator support 3 in bottom, a plurality of air outlets 31 have been seted up on 3 both sides walls of radiator support, air intake 21 and air outlet 31 intercommunication form heat dissipation channel, it is concrete, dust cover 2 sets up with radiator support 3 relatively, 3 top upper surfaces of radiator support of 6 peripheries of circuit board run through and set up a plurality of third louvres 33, air intake 21 forms through third louvre 33 and air outlet 31 intercommunication heat dissipation channel. Converter during operation, the cold air gets into the cavity of dust cover 2 and the inner chamber space of casing 1 from the air intake 21 at casing 1 top in proper order, thereby make the ambient temperature in the casing 1 reduce, simultaneously can in time conduct the hot-air after mixing to radiating seat 3 on, 3 outer walls of radiating seat can directly take place heat exchange with its surface temperature and outside air and realize the cooling on the one hand, on the other hand, the hot-air flows to the inner chamber space of radiating seat 3 via third louvre 33, the hot-air after will mixing is discharged through air outlet 31, heat dissipation channel can effectively reduce capacitor assembly 7's temperature, the radiating efficiency of converter has been improved.
Electrically conductive female arranging 4 in the converter extends and sets up in the inner chamber space of radiating seat 3, binding post row 5 then extends 1 front side certain distance of casing, its extension end stretches out the bottom certain distance of casing 1, furthest sets up heating element in the outside of casing 1, the heat in casing 1 has been reduced, the horizontal fixed mounting of circuit board 6 is at the top upper surface of radiating seat 3, capacitor assembly 7 sets up in radiating channel's inner space, and seted up a plurality of first louvre 11 on the casing 1 lateral wall of capacitor assembly 7 relative position department, each heating element subregion overall arrangement is in the converter, radiating channel through on self heat radiation structure and the converter, the louvre synergism, can effectively reduce the operational environment temperature of key components and parts, the radiating efficiency is improved, thereby the life of converter has been prolonged.
Specifically, a plurality of through holes 32 for the conductive bus bar 4 to pass through are longitudinally formed in the upper surface of the top of the heat radiating seat 3, the conductive bus bar 4 passes through the through holes 32 and is arranged in the inner cavity space of the heat radiating seat 3, the conductive bus bar 4 is vertically connected with a plurality of wiring terminal bars 5, and the wiring terminal bars 5 transversely extend out of the front side of the shell 1 for a certain distance; casing 1's front side below is connected with the protecting crust 8 that is used for holding binding post row 5, protecting crust 8 sets up the end of extending at binding post row 5, the bottom of protecting crust 8 and the bottom parallel and level of radiating seat 3, protecting crust 8 bottom is opened, the top of protecting crust 8 is provided with protective cover 81, second louvre 82 has been seted up on the protecting crust 8 perisporium, binding post row 5 transversely extends casing 1 front side certain distance, binding post row 5's the end of extending also is provided with protecting crust 8, protecting crust 8 can avoid binding post row 5 to expose in the air for a long time and lead to contact failure with vapor and dust contact, thereby influence the stability and the life of converter operation.
The circuit board 6 transversely fixed mounting is at the top upper surface of radiating seat 3, and 6 bottom fixedly connected with heating panel 61 of circuit board, the protrusion is equipped with a plurality of spliced poles 611 on the heating panel 61, and circuit board 6 passes through spliced pole 611 and heating panel 61 fixed connection, and the upper surface at radiating seat 3 is established in the subsides of heating panel 61, and circuit board 6 has improved self radiating efficiency on with heat transfer to heating panel 61 through spliced pole 611.
The vertical fixed mounting of electric capacity subassembly 7 is on the inside wall of casing 1, a plurality of first louvres 11 have been seted up on the lateral wall of casing 1 of electric capacity subassembly 7 relative position department, electric capacity subassembly 7 comprises electric capacity 71 that a plurality of longitudinal separation set up and the mounting bracket 72 that is used for fixed electric capacity 71, electric capacity subassembly 7 passes through mounting bracket 72 fixed mounting on casing 1, electric capacity subassembly 7 is except through heat dissipation channel heat dissipation, still can be through mounting bracket with heat transfer to casing 1 on, and the heat exchange of electric capacity subassembly 7 ambient temperature and ambient temperature has been accelerated to first louvre 11, the radiating efficiency of electric capacity subassembly 7 has been improved, electric capacity subassembly 7 is through the heat dissipation channel on self structural layout and the casing, the synergism of louvre, can realize effectively cooling fast, the advantage that the radiating efficiency is high has.
Open at 1 top of casing because of the converter, in order to prevent dust and impurity entering converter, dust cover 2 has been set up, the cross sectional dimension of dust cover 2 is unanimous with casing 1's cross sectional dimension, 2 lids of dust cover close the top at casing 1, the outer wall of 2 fronts of dust cover and the inner wall coincidence of 1 fronts of casing, 2 dorsal inner walls of dust cover and the outer wall coincidence of 1 dorsal sides of casing, the dorsal side wall of 2 bottoms of dust cover is provided with installation department 22 to vertical extension down, be provided with the screw on the installation department 22, dust cover 2 passes through bolted connection fixed mounting at casing 1's dorsal side. The dustproof performance of converter has been improved 2 to the dust cover, can avoid the components and parts in the converter because of dust and impurity contact failure or short circuit, has improved the stability when the converter moves, has further prolonged the life of converter.
The utility model discloses a frequency converter casing 1 is the open frame construction in top and bottom, casing 1 top is connected with dust cover 2, dust cover 2 bottom is open and is communicated with the inner chamber space of casing 1, dust cover 2 four-side wall is run through and is seted up air intake 21, the bottom of casing 1 vertically links up a bottom open radiating seat 3, a plurality of air outlets 31 are opened on the both sides wall of radiating seat 3, air intake 21 and air outlet 31 are communicated and form the heat dissipation passageway, when the frequency converter is worked, cold air enters into the cavity of dust cover 2 and the inner chamber space of casing 1 from air intake 21 at the top of casing 1 in proper order, thereby make the ambient temperature in casing 1 reduce, simultaneously can in time conduct mixed hot air to radiating seat 3, on the one hand radiating seat 3 outer wall can directly take place the heat exchange with the outside air with its surface temperature louvre and realize the cooling, on the other hand, hot-air flows to the inner chamber space of radiating seat, the mixed hot air is discharged through the air outlet 31, the temperature of the capacitor assembly 7 can be effectively reduced through the heat dissipation channel, and the heat dissipation efficiency of the frequency converter is improved. Electrically conductive female 4 of arranging in the converter extends and sets up in the inner chamber space of radiating seat 3, binding post row 5 then extends 1 front side certain distance of casing, the horizontal fixed mounting of circuit board 6 is on the top upper surface of radiating seat 3, the vertical fixed mounting of capacitor assembly 7 is on casing 1's inside wall, and seted up a plurality of first louvres 11 on the casing 1 lateral wall of capacitor assembly 7 relative position department, each heating element subregion overall arrangement is in the converter, heat dissipation channel through self on heat radiation structure and the converter, the louvre synergism, can effectively reduce the operational environment temperature of key components and parts, the radiating efficiency is improved, thereby the life of converter has been prolonged.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (10)
1. A marine high life converter, comprising:
the device comprises a shell (1) which is a frame structure with an open top and an open bottom, wherein a circuit board (6) and a capacitor assembly (7) are accommodated in the frame structure;
the dust cover (2) is of a cavity structure with an open bottom, the bottom of the dust cover (2) is connected with the top of the shell (1), the cavity structure is communicated with the inner cavity space of the shell (1), and a plurality of air inlets (21) are formed in the outer peripheral wall of the bottom of the dust cover (2) in a penetrating mode;
the heat dissipation seat (3) is connected to the bottom of the shell (1), the bottom of the heat dissipation seat (3) is open, a plurality of through holes (32) are longitudinally formed in the upper surface of the top of the heat dissipation seat (3), and a plurality of air outlets (31) are formed in the peripheral wall of the heat dissipation seat (3);
the connecting end of the conductive bus bar (4) is electrically connected with the component, and the extending end of the conductive bus bar (4) penetrates through the through hole (32) and is arranged at the bottom of the heat dissipation seat (3) in an extending manner;
the air inlet (21) is communicated with the air outlet (31) to form a heat dissipation channel, the circuit board (6) and the capacitor assembly (7) are arranged in the inner space of the heat dissipation channel, and the extending end of the conductive busbar (4) extends out of the bottom of the shell (1) for a certain distance.
2. The marine high-life frequency converter according to claim 1, wherein the dust cover (2) is disposed opposite to the heat dissipation seat (3), the circuit board (6) is transversely and fixedly mounted on an upper surface of a top of the heat dissipation seat (3), a plurality of third heat dissipation holes (33) are formed in the upper surface of the top of the heat dissipation seat (3) at the periphery of the circuit board (6) in a penetrating manner, and the air inlet (21) is communicated with the air outlet (31) through the third heat dissipation holes (33) to form the heat dissipation channel.
3. The marine high-life inverter according to claim 2, wherein a plurality of first heat dissipating holes (11) are formed in a side wall of the housing (1) at a position opposite to the capacitor assembly (7).
4. A marine high-life frequency converter according to claim 3, characterized in that the extended end of the conducting bus bar (4) is vertically connected with a plurality of terminal blocks (5), and the terminal blocks (5) laterally extend out of the front side of the housing (1) by a certain distance.
5. Marine high-life frequency converter according to claim 4, characterized in that the cross-sectional dimension of the dust cover (2) is identical to the cross-sectional dimension of the housing (1), the dust cover (2) is covered above the housing (1), the outer wall of the front side of the dust cover (2) coincides with the inner wall of the front side of the housing (1), and the inner wall of the back side of the dust cover (2) coincides with the outer wall of the back side of the housing (1).
6. Marine high-life frequency converter according to claim 5, characterized in that the dust cover (2) is provided with a mounting portion (22) extending longitudinally downward from the back wall at the bottom, the mounting portion (22) is provided with a screw hole, and the dust cover (2) is fixedly mounted on the back side of the housing (1) through bolt connection.
7. The marine high-life frequency converter according to claim 6, wherein a heat dissipation plate (61) is fixedly connected to the bottom of the circuit board (6), a plurality of connecting posts (611) are protruded on the heat dissipation plate (61), the circuit board (6) is fixedly connected to the heat dissipation plate (61) through the connecting posts (611), and the heat dissipation plate (61) is attached to the upper surface of the heat dissipation base (3).
8. Marine high-life frequency converter according to claim 7, characterized in that the capacitor assembly (7) is composed of a plurality of capacitors (71) arranged at intervals in the longitudinal direction and a mounting bracket (72) for fixing the capacitors (71), and the capacitor assembly (7) is fixedly mounted on the housing (1) through the mounting bracket (72).
9. Marine high-life frequency converter according to claim 8, characterized in that a protective shell (8) for accommodating the terminal block (5) is connected to the lower front side of the housing (1), the protective shell (8) is arranged at the extended end of the terminal block (5), and the bottom of the protective shell (8) is flush with the bottom of the heat sink (3).
10. The marine high-life frequency converter according to claim 9, wherein the bottom of the protective shell (8) is open, a protective cover plate (81) is disposed on the top of the protective shell (8), and second heat dissipation holes (82) are formed in the peripheral wall of the protective shell (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021056224.1U CN212115138U (en) | 2020-06-10 | 2020-06-10 | High life converter for boats and ships |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021056224.1U CN212115138U (en) | 2020-06-10 | 2020-06-10 | High life converter for boats and ships |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212115138U true CN212115138U (en) | 2020-12-08 |
Family
ID=73614951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021056224.1U Active CN212115138U (en) | 2020-06-10 | 2020-06-10 | High life converter for boats and ships |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212115138U (en) |
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2020
- 2020-06-10 CN CN202021056224.1U patent/CN212115138U/en active Active
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