CN212258801U

CN212258801U - Truck-mounted inverter for truck

Info

Publication number: CN212258801U
Application number: CN202020854662.6U
Authority: CN
Inventors: 尹先华
Original assignee: Huizhou Sima Electronics Co ltd
Current assignee: Huizhou Sima Electronics Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2020-12-29
Anticipated expiration: 2030-05-20
Also published as: WO2021233092A1

Abstract

The utility model belongs to the technical field of battery charging outfit, especially, relate to a truck-mounted dc-to-ac converter for freight train, including the epitheca, with epitheca fixed connection's drain pan, circuit board, two at least radiator unit and coupling assembling, the epitheca with be provided with a cavity, two between the drain pan radiator unit respectively fixed set up in the both sides of circuit board upper surface, coupling assembling fixed set up in on the circuit board, coupling assembling's one end with the circuit board is connected, coupling assembling's the other end and a vehicle battery are connected: make through coupling assembling the circuit board links together with positive connecting terminal, negative connecting terminal, has avoided using the wire to connect for this truck is with on-vehicle dc-to-ac converter's inside is clean and tidy orderly, and the production and processing of being convenient for has improved production efficiency, and makes the connection between circuit board and positive connecting terminal, the negative connecting terminal more stable, has guaranteed that this truck is with on-vehicle dc-to-ac converter can normal use.

Description

Truck-mounted inverter for truck

Technical Field

The utility model belongs to the technical field of battery charging outfit, especially, relate to a truck-mounted dc-to-ac converter for freight train.

Background

The inverter is a converter which converts direct current electric energy (batteries and storage batteries) into constant-frequency constant-voltage or frequency-modulation voltage-regulation alternating current (generally 220V,50Hz sine wave).

With the development of society and the improvement of the living standard of people, the situations that people use automobiles to go out for work and travel are gradually increased, and various electric appliances and various tools can be used on the automobiles by connecting the storage batteries through the inverter, so that great convenience is brought.

The positive and negative connecting terminals of the vehicle-mounted inverter used on the truck are connected with the internal circuit board through wires, and the following are found in the actual use process:

1. the number of wires in the vehicle-mounted inverter is too large, the internal space is disordered, and the wires need to be welded on a circuit board during production and processing, so that the production is troublesome and the production efficiency is low;

2. due to the fact that the truck is large in load capacity and often runs on a bumpy road, the positive and negative connecting terminals and the circuit board are not firm enough in a wire connection mode, the situation that the wires are separated from the circuit board or the positive and negative connecting terminals occurs easily in the running process of the truck, and the vehicle-mounted inverter cannot be used normally.

Therefore, it is desirable to provide an inverter for a truck to overcome the disadvantages of the prior art.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, an embodiment of the utility model provides a pair of truck-mounted inverter for freight train, including the epitheca, with epitheca fixed connection's drain pan, circuit board, two at least radiator unit and coupling assembling, the epitheca with be provided with a cavity between the drain pan, the circuit board fixed set up in the cavity, two radiator unit respectively fixed set up in the both sides of circuit board upper surface, coupling assembling fixed set up in on the circuit board, coupling assembling's one end with the circuit board is connected, coupling assembling's the other end and a vehicle battery are connected.

Optionally, the bottom case comprises a bottom case body and a bottom case vertical plate, and the bottom case vertical plate is fixedly provided with a positive connecting terminal and a negative connecting terminal.

Optionally, coupling assembling includes anodal connecting block and negative pole connecting block, the one end of anodal connecting block with anodal connecting terminal fixed connection, the other end of anodal connecting block with circuit board fixed connection, the one end of negative pole connecting block with negative pole connecting terminal fixed connection, the other end of negative pole connecting block with circuit board fixed connection.

Optionally, the one end of anodal connecting block be provided with anodal connecting terminal assorted fourth mounting hole, the other end of anodal connecting block has the third mounting block along the protruding stretching of horizontal direction, be provided with the fifth mounting hole on the third mounting block, the other end of anodal connecting block still has the fourth protruding piece along the protruding stretching of vertical direction.

Optionally, be provided with second mounting hole and third mounting hole on the drain pan riser, positive connecting terminal fixed mounting be in on the second mounting hole, positive connecting terminal's one end is passed the second mounting hole is located the circuit board top, positive connecting terminal's the other end is connected with vehicle storage battery, negative connecting terminal fixed mounting be in on the third mounting hole, negative connecting terminal's one end is passed the third mounting hole is located the circuit board top, negative connecting terminal's the other end is connected with vehicle storage battery.

Optionally, the upper surface of the upper shell is fixedly provided with at least two sockets, a switch and a first mounting hole, the two sockets and the switch are all fixedly arranged at one end of the upper surface of the upper shell, the first mounting hole is internally and fixedly provided with a female base pressing plate matched with the first mounting hole and a female cigarette lighter base matched with the female base pressing plate, the female base pressing plate is abutted to the inner wall surface of the first mounting hole, the female base pressing plate is protruded upwards to form a plurality of first protruding blocks, and the upper end of the female cigarette lighter base is abutted to the first protruding blocks.

Optionally, an electronic component mounting area is disposed in a middle position of the upper surface of the circuit board.

Optionally, the heat dissipation assembly includes a heat sink, a heat dissipation baffle and a second heat dissipation fan, the heat sink is fixedly disposed on the circuit board, the heat dissipation baffle is formed by the upper case protruding downward, the heat dissipation baffle is located between the heat sink and the electronic component mounting area, the second heat dissipation fan is fixedly disposed on the circuit board, and the second heat dissipation fan abuts against the heat sink.

Optionally, a first cooling fan is fixedly disposed in the middle of the inner wall surface of the bottom shell vertical plate.

Optionally, the truck-mounted inverter for the truck further comprises a dustproof assembly, the dustproof assembly is fixedly arranged between the two side wall surfaces of the upper shell, and the dustproof assembly comprises an air inlet plate and a metal dustproof net fixedly arranged on the air inlet plate.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the on-vehicle inverter for freight train have one of following technological effect at least: make through coupling assembling the circuit board links together with positive connecting terminal, negative connecting terminal, has avoided using the wire to connect for this truck is with on-vehicle dc-to-ac converter's inside is clean and tidy orderly, and the production and processing of being convenient for has improved production efficiency, and makes the connection between circuit board and positive connecting terminal, the negative connecting terminal more stable, has guaranteed that this truck is with on-vehicle dc-to-ac converter can normal use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of an on-vehicle inverter for a truck according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an on-vehicle inverter for a truck according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of an on-vehicle inverter for a truck according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of an on-vehicle inverter for a truck according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of an on-vehicle inverter for a truck according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of an on-vehicle inverter for a truck according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of an on-vehicle inverter for a truck according to an embodiment of the present invention.

The upper shell 1, the bottom shell 2, the circuit board 3, the heat dissipation assembly 4, the dustproof assembly 5, the connection assembly 6, the socket 11, the switch 12, the first mounting hole 13, the female seat pressing plate 14, the female seat 15 of the cigar lighter, the mounting post 16, the baffle 17, the bottom shell body 21, the bottom shell vertical plate 22, the stopper 211, the second through hole 212, the second mounting block 213, the first through hole 221, the positive connecting terminal 222, the negative connecting terminal 223, the first cooling fan 224, the heat sink 41, the heat dissipation baffle 42, the second cooling fan 43, the air inlet plate 51, the metal dustproof net 52, the positive connecting block 61, the negative connecting block 62, the fourth mounting hole 611, the third mounting block 612, the fifth mounting hole 613 and the fourth protruding block 614.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-7 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, a vehicle-mounted inverter of institutional advancement, including epitheca 1, with 1 fixed connection's of epitheca drain pan 2, circuit board 3, two at least radiator unit 4, dustproof subassembly 5 and coupling assembling 6, epitheca 1 with be provided with a cavity between the drain pan 2, circuit board 3 fixed set up in the cavity, two radiator unit 4 fixed respectively set up in the both sides of 3 upper surfaces of circuit board, dustproof subassembly 5 fixed set up in between two lateral wall faces of epitheca 1, coupling assembling 6 fixed set up in on the circuit board 3, coupling assembling 6's one end with circuit board 3 is connected, coupling assembling 6's the other end and a vehicle battery are connected.

The upper surface of the upper shell 1 is fixedly provided with at least two sockets 11, a switch 12 and a first mounting hole 13, two sockets 11 and switches 12 are all fixedly arranged at one end of the upper surface of the upper shell 1, the first mounting hole 13 is internally fixedly provided with a female base pressing plate 14 matched with the first mounting hole 13 and a female cigarette lighter base 15 matched with the female base pressing plate 14, the female base pressing plate 14 is abutted to the inner wall surface of the first mounting hole 13, the female base pressing plate 14 is protruded upwards to form a plurality of first convex blocks, and the upper end of the female cigarette lighter base 15 is abutted to the first convex blocks.

Two mounting columns 16 are fixedly arranged at one end of the upper shell 1, and the two mounting columns 16 are respectively and fixedly arranged at one ends of two side wall surfaces of the upper shell 1.

The upper shell 1 further comprises a plurality of baffles 17, the baffles 17 are fixedly arranged at one end of the upper shell 1, the baffles 17 are positioned between the mounting column 16 and the switch 12, and a first gap is formed between the baffles 17 and the mounting column 16; the mounting posts 16 and the baffle 17 are used to secure the dust seal assembly 5.

Referring to fig. 4, the bottom case 2 includes a bottom case body 21 and a bottom case upright plate 22, and the bottom case upright plate 22 is fixedly disposed at one end of the bottom case body 21.

Referring to fig. 2 and 3, a stopper 211 and at least two second through holes 212 are disposed on the bottom case body 21, the stopper 211 and the second through holes 212 are both fixedly disposed at the other end of the lower surface of the bottom case body 21, the second through holes 212 are located between the stopper 211 and the circuit board 3, a second mounting block 213 is fixedly disposed at one side of the second through holes 212, one end of the second mounting block 213 is fixedly disposed on a side wall surface of the second through holes 212, the other end of the second mounting block 213 protrudes upwards, and a second gap is disposed between the stopper 211 and the second mounting block 213.

Be provided with second mounting hole, third mounting hole and a plurality of first ventilation hole 221 on the drain pan riser 22, the fixed anodal connecting terminal 222 that is provided with on the second mounting hole, the one end of anodal connecting terminal 222 is passed the second mounting hole is located circuit board 3 top, the other end and the vehicle battery of anodal connecting terminal 222 are connected, the fixed negative pole connecting terminal 223 that is provided with on the third mounting hole, the one end of negative pole connecting terminal 223 is passed the third mounting hole is located circuit board 3 top, the other end and the vehicle battery of negative pole connecting terminal 223 are connected.

The circuit board 3 is used for mounting electronic components and the heat dissipation assembly 4; and an electronic component mounting area is arranged in the middle of the upper surface of the circuit board 3.

Referring to fig. 5, the heat sink assembly 4 is configured to dissipate heat generated by the circuit board 3 to the outside, and separate the heat from the electrical component mounting region; the heat dissipation assembly 4 includes a heat sink 41, a heat dissipation baffle 42 and a second heat dissipation fan 43, the heat sink 41 is fixedly disposed on the circuit board 3, the heat dissipation baffle 42 is formed by the upper case 1 protruding downward, the heat dissipation baffle 42 is located between the heat sink 41 and the electronic component mounting area, the second heat dissipation fan 43 is fixedly disposed on the circuit board 3, and the second heat dissipation fan 43 abuts against the heat sink 41; the heat generated by the circuit board 3 is conducted to the radiator 41, the second cooling fan 43 timely discharges the heat to the outside, and the heat dissipation baffle 42 is used for blocking the heat above the radiator 41, so that the heat is prevented from returning to the electronic component mounting area again, the temperature at the electronic component mounting area is ensured not to be too high, and the safety of the circuit board 3 is further improved.

A first heat dissipation fan 224 is fixedly arranged in the middle of the inner wall surface of the bottom casing vertical plate 22, and the first heat dissipation fan 224 discharges heat generated by the electronic component area to the outside, so that the temperature of the electronic component area is further ensured not to be too high, and the safety of the circuit board 3 is further improved.

Referring to fig. 5, the dust-proof assembly 5 is used for preventing impurities such as dust from entering the cavity, so as to ensure that the vehicle inverter can be normally used; the dust-proof assembly 5 comprises an air inlet plate 51 and a metal dust-proof net 52 fixedly arranged on the air inlet plate 51.

With reference to fig. 6 and 7, the connection assembly 6 is used to connect a vehicle battery and the circuit board 3; coupling assembling 6 includes anodal connecting block 61 and negative pole connecting block 62, anodal connecting block 61 one end with anodal connecting terminal 222 fixed connection, anodal connecting block 61 the other end with circuit board 3 fixed connection, negative pole connecting block 62 one end with negative pole connecting terminal 223 fixed connection, negative pole connecting block 62 the other end with circuit board 3 fixed connection.

A fourth mounting hole 611 matched with the positive connecting terminal 222 is formed in one end of the positive connecting block 61, a third mounting block 612 protrudes from the other end of the positive connecting block 61 in the horizontal direction, a fifth mounting hole 613 is formed in the third mounting block 612, and a fourth protruding block 614 protrudes from the other end of the positive connecting block 61 in the vertical direction; the positive connection terminal is fixedly connected to the circuit board by inserting a fastener through the third through hole and then inserting the fifth mounting hole 613 and the fourth bump 614 into the fourth through hole.

The structure of the negative electrode connection block 62 is the same as that of the positive electrode connection block 61, and description thereof will not be repeated.

In the truck-mounted inverter for truck described in this embodiment, the vehicle battery is connected to the positive connection terminal 222 and the negative connection terminal 223, the circuit board 3 is connected to the positive connection terminal 222 and the negative connection terminal 223 through the connection assembly 6, then the circuit board 3 converts the 12V voltage input by the vehicle battery into 220V voltage, and the 220V voltage is output through the socket 11, so that the heat generated in the truck-mounted inverter for truck during use is timely discharged to the outside through the heat dissipation assembly 4, the dust prevention assembly 5 is used for preventing impurities such as dust from entering the truck-mounted inverter for truck, and the connection with a wire is avoided, so that the truck-mounted inverter for truck has a neat and orderly interior, is convenient for production and processing, and improves the production efficiency, and the circuit board 3 and the positive connection terminal 222, The negative connection terminal 223 is more stable in connection, and normal use of the truck-mounted inverter is guaranteed.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a truck-mounted inverter, include the epitheca, with epitheca fixed connection's drain pan, the epitheca with be provided with a cavity between the drain pan, a serial communication port, truck-mounted inverter is still including circuit board, two at least radiator unit and coupling assembling, the circuit board is fixed set up in the cavity, two radiator unit is fixed respectively set up in the both sides of circuit board upper surface, coupling assembling is fixed set up in on the circuit board, coupling assembling's one end with the circuit board is connected, coupling assembling's the other end and a vehicle battery are connected.

2. The on-board inverter of claim 1, wherein the bottom housing includes a bottom housing body and a bottom housing vertical plate, and the bottom housing vertical plate is fixedly provided with a positive connection terminal and a negative connection terminal.

3. The on-board inverter for trucks of claim 2, wherein said connecting assembly comprises a positive connecting block and a negative connecting block, one end of said positive connecting block is fixedly connected to said positive connecting terminal, the other end of said positive connecting block is fixedly connected to said circuit board, one end of said negative connecting block is fixedly connected to said negative connecting terminal, and the other end of said negative connecting block is fixedly connected to said circuit board.

4. The on-board inverter for the truck according to claim 3, wherein one end of the positive connection block is provided with a fourth mounting hole matched with the positive connection terminal, the other end of the positive connection block protrudes in a horizontal direction to form a third mounting block, the third mounting block is provided with a fifth mounting hole, and the other end of the positive connection block also protrudes in a vertical direction to form a fourth protruding block.

5. The on-board inverter of any one of claims 2 to 4, wherein the bottom casing vertical plate is provided with a second mounting hole and a third mounting hole, the positive connecting terminal is fixedly mounted on the second mounting hole, one end of the positive connecting terminal passes through the second mounting hole and is positioned above the circuit board, the other end of the positive connecting terminal is connected with the vehicle battery, the negative connecting terminal is fixedly mounted on the third mounting hole, one end of the negative connecting terminal passes through the third mounting hole and is positioned above the circuit board, and the other end of the negative connecting terminal is connected with the vehicle battery.

6. The on-board inverter for the truck according to any one of claims 2 to 4, wherein at least two sockets, switches, and first mounting holes are fixedly provided on an upper surface of the upper case, both the two sockets and the switches are fixedly provided at one end of the upper surface of the upper case, a female seat pressing plate matched with the first mounting holes and a female cigar lighter seat matched with the female seat pressing plate are fixedly provided in the first mounting holes, the female seat pressing plate abuts against an inner wall surface of the first mounting holes, the female seat pressing plate protrudes upward to form a plurality of first protruding blocks, and an upper end of the female cigar lighter seat abuts against the first protruding blocks.

7. A truck-mounted inverter according to any one of claims 2 to 4, wherein an electronic component mounting area is provided at an intermediate position on an upper surface of the circuit board.

8. The on-board inverter of claim 7, wherein the heat sink assembly includes a heat sink, a heat sink baffle and a second heat sink fan, the heat sink is fixed to the circuit board, the heat sink baffle is formed by the upper housing protruding downward, the heat sink baffle is located between the heat sink and the electronic component mounting area, the second heat sink fan is fixed to the circuit board, and the second heat sink fan abuts against the heat sink.

9. The vehicle-mounted inverter for the wagon according to any one of claims 2 to 4, wherein a first cooling fan is fixedly arranged in the middle of the inner wall surface of the bottom shell vertical plate.

10. The vehicle-mounted inverter for trucks of claim 1, further comprising a dust-proof assembly fixedly disposed between two side wall surfaces of said upper housing, said dust-proof assembly comprising an air inlet plate and a metal dust screen fixedly disposed on said air inlet plate.