CN212115177U - Marine inverter based on new energy - Google Patents
Marine inverter based on new energy Download PDFInfo
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- CN212115177U CN212115177U CN202021232334.9U CN202021232334U CN212115177U CN 212115177 U CN212115177 U CN 212115177U CN 202021232334 U CN202021232334 U CN 202021232334U CN 212115177 U CN212115177 U CN 212115177U
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- groove
- fixing plate
- heat dissipation
- circuit board
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Abstract
The utility model discloses a marine inverter based on new energy, which comprises a circuit board, a shell and a heat dissipation plate, wherein the upper surface of the heat dissipation plate is provided with a plurality of device grooves with shapes corresponding to components at the bottom of the circuit board; the heat dissipation plate is provided with an L-shaped first groove and a second groove; the first base of the first fixing plate is consistent with the shape of the first groove, and a third groove is formed in one side of the upper end of the first fixing plate; the first fixing plate is fixed above the heat dissipation plate through the first groove; the shape of a second base of the second fixing plate is consistent with that of the second groove, and a fourth groove is formed in one side of the upper end of the second fixing plate; the second fixing plate is fixed above the heat dissipation plate through the second groove; the circuit board is fixed above the heat dissipation plate through the third groove and the fourth groove; the components at the bottom of the circuit board are fixed in the device grooves. The components and parts at the bottom of the circuit board are fixed in the device grooves, so that the contact area between the components and the heat dissipation plate is enlarged, and the heat dissipation effect of the inverter is improved.
Description
Technical Field
The utility model relates to a boats and ships technical field, concretely relates to marine dc-to-ac converter based on new forms of energy.
Background
The driving inverter is a core component in a ship driving system, is an important factor influencing the safety, reliability and power performance of a ship, and the ship has higher requirements on the power density of the driving inverter. At present, new energy power generation equipment is installed on a plurality of ships, new energy power is provided for the ships, energy consumption carried by the ships is reduced, and the endurance mileage of the ships is improved.
The inverter is used for converting new energy electric energy into alternating current and then providing the alternating current for marine electric equipment, and after the inverter is used for a long time, the inverter is raised along with the heating value, the temperature is increased, the inversion efficiency is influenced, the energy loss is caused, and an inverter circuit power device can be damaged in serious conditions.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a marine inverter based on new forms of energy to improve the unmatched problem of inverter heat dispersion and contravariant efficiency among the prior art.
The embodiment of the utility model provides a marine inverter based on new forms of energy, including circuit board, shell and heating panel, characterized in that, a plurality of device recesses that correspond to the components and parts of circuit board bottom are seted up to the heating panel upper surface; the heat dissipation plate is provided with an L-shaped first groove and a second groove;
a third groove is formed in one side of the upper end of the first fixing plate; the first fixing plate comprises a first base, a first telescopic seat and a first stretching structure which is elastically and telescopically connected between the first base and the first telescopic seat;
a fourth groove is formed in one side of the upper end of the second fixing plate; the second fixing plate comprises a second base, a second telescopic seat and a second stretching structure which is elastically and telescopically connected between the second base and the second telescopic seat;
one end of the circuit board is arranged in the third groove, and the other end of the circuit board is arranged in the fourth groove; the circuit board is fixed above the heat dissipation plate through the upper end of the third groove and the upper end of the fourth groove in a pressing mode, and components at the bottom of the circuit board are fixed in the device grooves.
Preferably, the shape of the first base is consistent with the shape of the first groove, and the first fixing plate is fixed above the heat dissipation plate through the first groove; the position of the first stretching structure corresponds to the position of the third groove; the first stretching structure stretches in a direction perpendicular to the upper surface of the heat dissipation plate.
Preferably, the shape of the second base is consistent with the shape of the second groove, and the second fixing plate is fixed above the heat dissipation plate through the second groove; the position of the second stretching structure corresponds to the position of the third groove; the second stretching structure stretches in a direction perpendicular to the upper surface of the heat dissipation plate.
Preferably, the component at the bottom of the circuit board is fixed in the component groove through epoxy resin.
Preferably, at least one set of the first groove and the second groove is formed in the heat dissipation plate.
Preferably, the length of the first fixing plate and/or the second fixing plate is less than or equal to the width of the heat dissipation plate, and the length of the first fixing plate and/or the second fixing plate is greater than or equal to the width of the circuit board; or the like, or, alternatively,
the length of the first fixing plate and/or the second fixing plate is smaller than the width of the circuit board.
Preferably, the method further comprises the following steps: the lower end of the third fixing plate is consistent with the shape of the first groove, and a fifth groove is formed in one side of the upper end of the third fixing plate;
the lower end of the fourth fixing plate is consistent with the shape of the second groove, and a sixth groove is formed in one side of the upper end of the fourth fixing plate;
the first fixing plate and the third fixing plate are fixed on the heat dissipation plate through the first groove; the second fixing plate and the fourth fixing plate are fixed on the heat dissipation plate through the second groove;
the third groove on the first fixing plate, the fourth groove on the second fixing plate, the fifth groove on the third fixing plate and the sixth groove on the fourth fixing plate respectively fix four corners of the circuit board.
The utility model discloses beneficial effect of embodiment: a plurality of device recesses have been seted up according to the device shape that generates heat of circuit board bottom to the heating panel upper surface, and the circuit board is fixed on the heating panel, and the components and parts of circuit board bottom are fixed in the device recess, and under the prerequisite that the bottom surface contacted completely, the side of components and parts also contacted with the heating panel, has enlarged area of contact to the radiating effect of dc-to-ac converter has been promoted.
Drawings
The features and advantages of the invention will be more clearly understood by reference to the accompanying drawings, which are schematic and should not be understood as imposing any limitation on the invention, in which:
fig. 1 shows a heat radiation plate structure diagram of a marine inverter in an embodiment of the present invention;
fig. 2 shows a side view of a heat sink plate of a marine inverter in an embodiment of the present invention;
fig. 3 is a partial enlarged view of a heat dissipating plate of a marine inverter according to an embodiment of the present invention;
fig. 4 shows a side view of a heat sink plate of another marine inverter according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
The embodiment of the utility model provides a marine dc-to-ac converter based on new forms of energy, as shown in fig. 1 to fig. 3, including circuit board 4, shell and heating panel 1, 4 bottoms of circuit board are provided with power components and parts, for example MOS pipe, IGBT etc. need dispel the heat in order to improve contravariant efficiency to these components and parts. Therefore, in the embodiment, a plurality of device grooves 103 with shapes corresponding to the bottom devices of the circuit board 4 are formed on the upper surface of the heat dissipation plate 1; the heat dissipation plate 1 is provided with an L-shaped first groove 101 and a L-shaped second groove 102, and the first groove 101 and the second groove 102 are parallel to four straight lines of the opening on the upper surface of the heat dissipation plate; the shape of the first base 204 of the first fixing plate 2 is consistent with that of the first groove 101, and a third groove 201 is formed in one side of the upper end of the first fixing plate 2; the first fixing plate 2 is fixed above the heat dissipation plate 1 through the first groove 101; the first fixing plate 2 comprises a first base 204, a first telescopic seat 202 and a first stretching structure 203 elastically and telescopically connected between the first base 204 and the first telescopic seat 202, and the position of the first stretching structure 203 corresponds to the position of the third groove 201; the first stretching structure 203 stretches in a direction perpendicular to the upper surface of the heat dissipation plate; the second fixing plate 3 comprises a second base, a second telescopic seat and a second stretching structure which is elastically and telescopically connected between the second base and the second telescopic seat, and the position of the second stretching structure corresponds to the position of the fourth groove 301; the second stretching structure stretches along the direction vertical to the upper surface of the heat dissipation plate; the components on the bottom of the circuit board 4 are fixed in the device recess 103.
The shape of the second base of the second fixing plate 3 is consistent with that of the second groove 102, and a fourth groove 301 is formed in one side of the upper end of the second fixing plate 3; the second fixing plate 3 is fixed above the heat dissipation plate 1 through the second groove 102; one end of the circuit board 4 is installed in the third groove 201, and the other end of the circuit board 4 is installed in the fourth groove 301; the circuit board 4 is fixed above the heat dissipation plate 1 through the upper ends of the third groove 201 and the fourth groove 301.
In this embodiment, the first base 204 of the first fixing plate 2 is made of a rigid material, the upper end 202 of the first fixing plate 2 is made of a rigid material, and the first stretching structure 203 is an elastic stretching structure for adjusting a distance between the first base 204 and the upper end 202 of the first fixing plate, that is, a width of the third groove 201. Through tensile structure, the distance between third recess 201 for fixed circuit board and the heating panel upper surface can be adjusted, promptly, can satisfy the pressfitting installation at the components and parts of circuit board bottom not co-altitude. In a specific embodiment, the circuit board is placed on the heat dissipation plate through the device groove, the first stretching structure stretches upwards to enable the opening position above the third groove to be slightly higher than the circuit board, one end of the circuit board is placed in the third groove, the first stretching structure is loosened to enable the circuit board to fall back, and a downward force is applied to the circuit board through the upper end of the third groove, so that the circuit board is fixed on the heat dissipation plate.
In this embodiment, a plurality of device recesses 103 have been seted up to heating device shape according to circuit board 4 below to heating panel 1 upper surface, the both ends of circuit board are fixed on the heating panel through the third recess 201 of first fixed plate 2 and the fourth recess 301 of second fixed plate 3 respectively, the components and parts of circuit board bottom are installed at device recess 103, under the prerequisite that the bottom surface contacted completely, the side of components and parts also contacts with the heating panel, area of contact has been enlarged, thereby the radiating effect of dc-to-ac converter has been promoted. In the prior art, power components on the circuit board 4, such as MOS transistors, IGBTs, etc., contact the bottom surface of the power components with the upper surface of the heat dissipation plate 1 at most, and the heat dissipation effect on the power components cannot be further improved.
The utility model discloses a set up the device recess 103 that corresponds with power components and parts in order to increase power components and parts and heating panel 1's area of contact, improve the radiating efficiency promptly. In the specific embodiment, two L-shaped first grooves 101 and second grooves 102 are provided on the surface of the heat dissipation plate 1 contacting the circuit board, and the distance between the first grooves 101 and the second grooves 102 is set according to the length of the circuit board. The shape of the bottom of the first fixing plate 2 is consistent with the shape of the first groove 101, the first fixing plate 2 is fixed above the heat dissipation plate 1 through the first groove 101, and the part of the first fixing plate 2, which exceeds the top of the heat dissipation plate 1, is vertical to the upper surface of the heat dissipation plate 1; the bottom shape of the second fixing plate 3 is matched with the shape of the second groove 102, and the second fixing plate 3 is fixed above the heat dissipation plate 1 through the second groove 102. One side or two sides of the upper half part of the first fixing plate 2 are provided with third grooves 201, the width of the stretching opening of the third grooves 201 is larger than the thickness of the circuit board 4, and the depth of the third grooves 201 is set according to the length of the circuit board 4 and the distance between the first fixing plate 2 and the second fixing plate 3. The circuit board 4 is fixed in the top of heating panel 1 through the pressfitting of the third recess 201 upper end of first fixed plate 2 and the fourth recess 301 upper end of second fixed plate 3, can guarantee to laminate between the components and parts that the circuit board bottom generates heat and the device recess 103 bottom, and the components and parts also laminate with the wall all around of device recess 103 all around, increase the cooling surface.
As an alternative embodiment, the components on the bottom of the circuit board are fixed in the device grooves by epoxy resin.
In this embodiment, the heat dissipation area of the component at the bottom of the circuit board is maximized by the epoxy resin, and meanwhile, the epoxy resin also plays a role in fixing.
As an alternative embodiment, at least one set of first grooves 101 and second grooves 102 is formed in the heat dissipation plate 1.
In this embodiment, the maximum contact area between the device requiring heat dissipation and the heat dissipation plate is ensured, and a plurality of pairs of grooves are formed at two ends of the heat dissipation plate to adapt to circuit boards with different sizes. In a particular embodiment, the first groove may be paired in combination with a plurality of second grooves.
As an optional implementation manner, the length of the first fixing plate and/or the second fixing plate is less than or equal to the width of the heat dissipation plate, and the length of the first fixing plate and/or the second fixing plate is greater than or equal to the width of the circuit board; or the length of the first fixing plate and/or the second fixing plate is less than the width of the circuit board.
As shown in fig. 4, the lengths of the first fixing plate 2 and the second fixing plate 3 are smaller than the width of the heat dissipation plate 1, and the lengths of the first fixing plate 2 and the second fixing plate 3 are larger than the maximum width between the device recesses 103, thereby ensuring close contact between the circuit board components and the heat dissipation plate.
In a specific embodiment, the length of the first fixing plate 2 and the second fixing plate 3 is smaller than the width of the circuit board, and the sliding distance of the first fixing plate and the second fixing plate relative to the first groove and the second groove during the installation process is reduced under the condition that the opening width of the third groove and the fourth groove is consistent with the thickness of the circuit board.
As an optional implementation, further comprising: the lower end of the third fixing plate is consistent with the shape of the first groove, and one side of the upper end of the third fixing plate is provided with a fifth groove; the lower end of the fourth fixing plate is consistent with the shape of the second groove, and a sixth groove is formed in one side of the upper end of the fourth fixing plate; the first fixing plate and the third fixing plate are fixed on the heat dissipation plate through the first groove; the second fixing plate and the fourth fixing plate are fixed on the heat dissipation plate through the second groove; the third groove on the first fixing plate, the fourth groove on the second fixing plate, the fifth groove on the third fixing plate and the sixth groove on the fourth fixing plate are used for fixing four corners of the circuit board respectively.
In this embodiment, the circuit board is first placed on the upper surface of the heat dissipation plate, and the first fixing plate and the third fixing plate are respectively slid to two corners of the circuit board through the two openings of the first groove on the side surface of the heat dissipation plate, so as to fix one side of the circuit board; through two openings of the second groove on the side face of the heat dissipation plate, the second fixing plate and the fourth fixing plate slide to the other two corners of the circuit board respectively, the other side of the circuit board is fixed, and the installation difficulty is reduced.
The circuit board and the radiator are installed through the following steps: the circuit board 4 is positioned on the heat dissipation plate 1 through the device groove 103; the third groove is opened, one end of the circuit board 4 is arranged in the third groove, and meanwhile, the bottom of the first fixing plate 2 is arranged on the heat dissipation plate 1 in a manner of matching with the first groove 101; the fourth groove is opened, the other end of the circuit board 4 is arranged in the fourth groove, and the bottom of the second fixing plate 3 is arranged on the heat dissipation plate 1 in a manner of being matched with the second groove 102; the upper ends of the fixing plates are loosened, and under the action of the elastic stretching structure, the upper ends of the fixing plates fall back and are pressed at the two ends of the circuit board 4, so that the components at the bottom of the circuit board 4 are fixed in the device grooves 103.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (7)
1. A ship inverter based on new energy comprises a circuit board, a shell and a heat dissipation plate, and is characterized in that a plurality of device grooves with shapes corresponding to components at the bottom of the circuit board are formed in the upper surface of the heat dissipation plate; the heat dissipation plate is provided with an L-shaped first groove and a second groove;
a third groove is formed in one side of the upper end of the first fixing plate; the first fixing plate comprises a first base, a first telescopic seat and a first stretching structure which is elastically and telescopically connected between the first base and the first telescopic seat;
a fourth groove is formed in one side of the upper end of the second fixing plate; the second fixing plate comprises a second base, a second telescopic seat and a second stretching structure which is elastically and telescopically connected between the second base and the second telescopic seat;
one end of the circuit board is arranged in the third groove, and the other end of the circuit board is arranged in the fourth groove; the circuit board is fixed above the heat dissipation plate through the upper end of the third groove and the upper end of the fourth groove in a pressing mode, and components at the bottom of the circuit board are fixed in the device grooves.
2. The new energy based marine inverter as claimed in claim 1, wherein the first base has a shape corresponding to the first groove, and the first fixing plate is fixed above the heat dissipation plate through the first groove; the position of the first stretching structure corresponds to the position of the third groove; the first stretching structure stretches in a direction perpendicular to the upper surface of the heat dissipation plate.
3. The new energy based marine inverter as claimed in claim 1, wherein the second base has a shape corresponding to the second groove, and the second fixing plate is fixed above the heat dissipation plate through the second groove; the position of the second stretching structure corresponds to the position of the third groove; the second stretching structure stretches in a direction perpendicular to the upper surface of the heat dissipation plate.
4. The new energy based marine inverter of claim 1, wherein the component on the bottom of the circuit board is fixed in the component groove by epoxy resin.
5. The new energy based marine inverter as claimed in claim 1, wherein at least one set of the first and second grooves is formed in the heat dissipation plate.
6. The new energy source-based marine inverter according to claim 1, wherein the length of the first fixing plate and/or the second fixing plate is equal to or less than the width of the heat dissipation plate, and the length of the first fixing plate and/or the second fixing plate is equal to or more than the width of the circuit board; or the like, or, alternatively,
the length of the first fixing plate and/or the second fixing plate is smaller than the width of the circuit board.
7. The new energy based marine inverter of claim 1, further comprising: the lower end of the third fixing plate is consistent with the shape of the first groove, and a fifth groove is formed in one side of the upper end of the third fixing plate;
the lower end of the fourth fixing plate is consistent with the shape of the second groove, and a sixth groove is formed in one side of the upper end of the fourth fixing plate;
the first fixing plate and the third fixing plate are fixed on the heat dissipation plate through the first groove; the second fixing plate and the fourth fixing plate are fixed on the heat dissipation plate through the second groove;
the third groove on the first fixing plate, the fourth groove on the second fixing plate, the fifth groove on the third fixing plate and the sixth groove on the fourth fixing plate respectively fix four corners of the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021232334.9U CN212115177U (en) | 2020-06-29 | 2020-06-29 | Marine inverter based on new energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021232334.9U CN212115177U (en) | 2020-06-29 | 2020-06-29 | Marine inverter based on new energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212115177U true CN212115177U (en) | 2020-12-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021232334.9U Active CN212115177U (en) | 2020-06-29 | 2020-06-29 | Marine inverter based on new energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212115177U (en) |
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2020
- 2020-06-29 CN CN202021232334.9U patent/CN212115177U/en active Active
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